diff options
Diffstat (limited to 'drivers/char')
223 files changed, 17091 insertions, 15975 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 5ebd06b1b4c..4135d8c5bca 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -80,7 +80,7 @@ config SERIAL_NONSTANDARD config COMPUTONE tristate "Computone IntelliPort Plus serial support" - depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP + depends on SERIAL_NONSTANDARD ---help--- This driver supports the entire family of Intelliport II/Plus controllers with the exception of the MicroChannel controllers and @@ -153,7 +153,7 @@ config DIGIEPCA config ESPSERIAL tristate "Hayes ESP serial port support" - depends on SERIAL_NONSTANDARD && ISA && BROKEN_ON_SMP && ISA_DMA_API + depends on SERIAL_NONSTANDARD && ISA && ISA_DMA_API help This is a driver which supports Hayes ESP serial ports. Both single port cards and multiport cards are supported. Make sure to read @@ -166,7 +166,7 @@ config ESPSERIAL config MOXA_INTELLIO tristate "Moxa Intellio support" - depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP + depends on SERIAL_NONSTANDARD help Say Y here if you have a Moxa Intellio multiport serial card. @@ -220,6 +220,14 @@ config SYNCLINKMP The module will be called synclinkmp. If you want to do that, say M here. +config SYNCLINK_GT + tristate "SyncLink GT/AC support" + depends on SERIAL_NONSTANDARD + help + Support for SyncLink GT and SyncLink AC families of + synchronous and asynchronous serial adapters + manufactured by Microgate Systems, Ltd. (www.microgate.com) + config N_HDLC tristate "HDLC line discipline support" depends on SERIAL_NONSTANDARD @@ -282,7 +290,7 @@ config SX config RIO tristate "Specialix RIO system support" - depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP + depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP && !64BIT help This is a driver for the Specialix RIO, a smart serial card which drives an outboard box that can support up to 128 ports. Product @@ -687,7 +695,7 @@ config NVRAM config RTC tristate "Enhanced Real Time Clock Support" - depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) + depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -735,7 +743,7 @@ config SGI_IP27_RTC config GEN_RTC tristate "Generic /dev/rtc emulation" - depends on RTC!=y && !IA64 && !ARM && !M32R && !SPARC + depends on RTC!=y && !IA64 && !ARM && !M32R && !SPARC && !FRV ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -873,16 +881,6 @@ config FTAPE module. To compile this driver as a module, choose M here: the module will be called ftape. - Note that the Ftape-HOWTO is out of date (sorry) and documents the - older version 2.08 of this software but still contains useful - information. There is a web page with more recent documentation at - <http://www.instmath.rwth-aachen.de/~heine/ftape/>. This page - always contains the latest release of the ftape driver and useful - information (backup software, ftape related patches and - documentation, FAQ). Note that the file system interface has - changed quite a bit compared to previous versions of ftape. Please - read <file:Documentation/ftape.txt>. - source "drivers/char/ftape/Kconfig" endmenu @@ -928,6 +926,15 @@ config SCx200_GPIO If compiled as a module, it will be called scx200_gpio. +config CS5535_GPIO + tristate "AMD CS5535/CS5536 GPIO (Geode Companion Device)" + depends on X86_32 + help + Give userspace access to the GPIO pins on the AMD CS5535 and + CS5536 Geode companion devices. + + If compiled as a module, it will be called cs5535_gpio. + config GPIO_VR41XX tristate "NEC VR4100 series General-purpose I/O Unit support" depends on CPU_VR41XX diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 4aeae687e88..503dd901d40 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_RISCOM8) += riscom8.o obj-$(CONFIG_ISI) += isicom.o obj-$(CONFIG_SYNCLINK) += synclink.o obj-$(CONFIG_SYNCLINKMP) += synclinkmp.o +obj-$(CONFIG_SYNCLINK_GT) += synclink_gt.o obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o @@ -80,6 +81,7 @@ obj-$(CONFIG_PPDEV) += ppdev.o obj-$(CONFIG_NWBUTTON) += nwbutton.o obj-$(CONFIG_NWFLASH) += nwflash.o obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o +obj-$(CONFIG_CS5535_GPIO) += cs5535_gpio.o obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o obj-$(CONFIG_TANBAC_TB0219) += tb0219.o obj-$(CONFIG_TELCLOCK) += tlclk.o diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 3f8f7fa6b0f..268f78d926d 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -7,6 +7,7 @@ #include <linux/init.h> #include <linux/string.h> #include <linux/slab.h> +#include <linux/jiffies.h> #include <linux/agp_backend.h> #include "agp.h" diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index a124f8c5d06..7ac365b5d9e 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -99,6 +99,7 @@ static char *serial_version = "4.30"; #define _INLINE_ inline #endif +#define custom amiga_custom static char *serial_name = "Amiga-builtin serial driver"; static struct tty_driver *serial_driver; @@ -116,7 +117,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout); static struct serial_state rs_table[1]; -#define NR_PORTS (sizeof(rs_table)/sizeof(struct serial_state)) +#define NR_PORTS ARRAY_SIZE(rs_table) /* * tmp_buf is used as a temporary buffer by serial_write. We need to @@ -128,7 +129,6 @@ static struct serial_state rs_table[1]; * memory if large numbers of serial ports are open. */ static unsigned char *tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); #include <asm/uaccess.h> @@ -265,8 +265,9 @@ static _INLINE_ void receive_chars(struct async_struct *info) int status; int serdatr; struct tty_struct *tty = info->tty; - unsigned char ch; + unsigned char ch, flag; struct async_icount *icount; + int oe = 0; icount = &info->state->icount; @@ -282,15 +283,12 @@ static _INLINE_ void receive_chars(struct async_struct *info) status |= UART_LSR_OE; ch = serdatr & 0xff; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - goto ignore_char; - *tty->flip.char_buf_ptr = ch; icount->rx++; #ifdef SERIAL_DEBUG_INTR printk("DR%02x:%02x...", ch, status); #endif - *tty->flip.flag_buf_ptr = 0; + flag = TTY_NORMAL; /* * We don't handle parity or frame errors - but I have left @@ -319,7 +317,7 @@ static _INLINE_ void receive_chars(struct async_struct *info) * should be ignored. */ if (status & info->ignore_status_mask) - goto ignore_char; + goto out; status &= info->read_status_mask; @@ -327,33 +325,28 @@ static _INLINE_ void receive_chars(struct async_struct *info) #ifdef SERIAL_DEBUG_INTR printk("handling break...."); #endif - *tty->flip.flag_buf_ptr = TTY_BREAK; + flag = TTY_BREAK; if (info->flags & ASYNC_SAK) do_SAK(tty); } else if (status & UART_LSR_PE) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (status & UART_LSR_FE) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; if (status & UART_LSR_OE) { /* * Overrun is special, since it's * reported immediately, and doesn't * affect the current character */ - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - tty->flip.count++; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - } + oe = 1; } } - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - ignore_char: - + tty_insert_flip_char(tty, ch, flag); + if (oe == 1) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); tty_flip_buffer_push(tty); +out: + return; } static _INLINE_ void transmit_chars(struct async_struct *info) @@ -1095,7 +1088,7 @@ static void rs_unthrottle(struct tty_struct * tty) */ static int get_serial_info(struct async_struct * info, - struct serial_struct * retinfo) + struct serial_struct __user * retinfo) { struct serial_struct tmp; struct serial_state *state = info->state; @@ -1119,7 +1112,7 @@ static int get_serial_info(struct async_struct * info, } static int set_serial_info(struct async_struct * info, - struct serial_struct * new_info) + struct serial_struct __user * new_info) { struct serial_struct new_serial; struct serial_state old_state, *state; @@ -1200,7 +1193,7 @@ check_and_exit: * transmit holding register is empty. This functionality * allows an RS485 driver to be written in user space. */ -static int get_lsr_info(struct async_struct * info, unsigned int *value) +static int get_lsr_info(struct async_struct * info, unsigned int __user *value) { unsigned char status; unsigned int result; @@ -1291,6 +1284,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, struct async_struct * info = (struct async_struct *)tty->driver_data; struct async_icount cprev, cnow; /* kernel counter temps */ struct serial_icounter_struct icount; + void __user *argp = (void __user *)arg; unsigned long flags; if (serial_paranoia_check(info, tty->name, "rs_ioctl")) @@ -1305,19 +1299,17 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, switch (cmd) { case TIOCGSERIAL: - return get_serial_info(info, - (struct serial_struct *) arg); + return get_serial_info(info, argp); case TIOCSSERIAL: - return set_serial_info(info, - (struct serial_struct *) arg); + return set_serial_info(info, argp); case TIOCSERCONFIG: return 0; case TIOCSERGETLSR: /* Get line status register */ - return get_lsr_info(info, (unsigned int *) arg); + return get_lsr_info(info, argp); case TIOCSERGSTRUCT: - if (copy_to_user((struct async_struct *) arg, + if (copy_to_user(argp, info, sizeof(struct async_struct))) return -EFAULT; return 0; @@ -1376,7 +1368,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file * file, icount.brk = cnow.brk; icount.buf_overrun = cnow.buf_overrun; - if (copy_to_user((void *)arg, &icount, sizeof(icount))) + if (copy_to_user(argp, &icount, sizeof(icount))) return -EFAULT; return 0; case TIOCSERGWILD: diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c new file mode 100644 index 00000000000..5d72f50de1a --- /dev/null +++ b/drivers/char/cs5535_gpio.c @@ -0,0 +1,250 @@ +/* + * AMD CS5535/CS5536 GPIO driver. + * Allows a user space process to play with the GPIO pins. + * + * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the smems of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + */ + +#include <linux/fs.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/cdev.h> +#include <linux/ioport.h> +#include <linux/pci.h> +#include <asm/uaccess.h> +#include <asm/io.h> + + +#define NAME "cs5535_gpio" + +MODULE_AUTHOR("Ben Gardner <bgardner@wabtec.com>"); +MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO Pin Driver"); +MODULE_LICENSE("GPL"); + +static int major; +module_param(major, int, 0); +MODULE_PARM_DESC(major, "Major device number"); + +static ulong mask; +module_param(mask, ulong, 0); +MODULE_PARM_DESC(mask, "GPIO channel mask"); + +#define MSR_LBAR_GPIO 0x5140000C + +static u32 gpio_base; + +static struct pci_device_id divil_pci[] = { + { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) }, + { } /* NULL entry */ +}; + +static struct cdev cs5535_gpio_cdev; + +/* reserve 32 entries even though some aren't usable */ +#define CS5535_GPIO_COUNT 32 + +/* IO block size */ +#define CS5535_GPIO_SIZE 256 + +struct gpio_regmap { + u32 rd_offset; + u32 wr_offset; + char on; + char off; +}; +static struct gpio_regmap rm[] = +{ + { 0x30, 0x00, '1', '0' }, /* GPIOx_READ_BACK / GPIOx_OUT_VAL */ + { 0x20, 0x20, 'I', 'i' }, /* GPIOx_IN_EN */ + { 0x04, 0x04, 'O', 'o' }, /* GPIOx_OUT_EN */ + { 0x08, 0x08, 't', 'T' }, /* GPIOx_OUT_OD_EN */ + { 0x18, 0x18, 'P', 'p' }, /* GPIOx_OUT_PU_EN */ + { 0x1c, 0x1c, 'D', 'd' }, /* GPIOx_OUT_PD_EN */ +}; + + +/** + * Gets the register offset for the GPIO bank. + * Low (0-15) starts at 0x00, high (16-31) starts at 0x80 + */ +static inline u32 cs5535_lowhigh_base(int reg) +{ + return (reg & 0x10) << 3; +} + +static ssize_t cs5535_gpio_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) +{ + u32 m = iminor(file->f_dentry->d_inode); + int i, j; + u32 base = gpio_base + cs5535_lowhigh_base(m); + u32 m0, m1; + char c; + + /** + * Creates the mask for atomic bit programming. + * The high 16 bits and the low 16 bits are used to set the mask. + * For example, GPIO 15 maps to 31,15: 0,1 => On; 1,0=> Off + */ + m1 = 1 << (m & 0x0F); + m0 = m1 << 16; + + for (i = 0; i < len; ++i) { + if (get_user(c, data+i)) + return -EFAULT; + + for (j = 0; j < ARRAY_SIZE(rm); j++) { + if (c == rm[j].on) { + outl(m1, base + rm[j].wr_offset); + break; + } else if (c == rm[j].off) { + outl(m0, base + rm[j].wr_offset); + break; + } + } + } + *ppos = 0; + return len; +} + +static ssize_t cs5535_gpio_read(struct file *file, char __user *buf, + size_t len, loff_t *ppos) +{ + u32 m = iminor(file->f_dentry->d_inode); + u32 base = gpio_base + cs5535_lowhigh_base(m); + int rd_bit = 1 << (m & 0x0f); + int i; + char ch; + ssize_t count = 0; + + if (*ppos >= ARRAY_SIZE(rm)) + return 0; + + for (i = *ppos; (i < (*ppos + len)) && (i < ARRAY_SIZE(rm)); i++) { + ch = (inl(base + rm[i].rd_offset) & rd_bit) ? + rm[i].on : rm[i].off; + + if (put_user(ch, buf+count)) + return -EFAULT; + + count++; + } + + /* add a line-feed if there is room */ + if ((i == ARRAY_SIZE(rm)) && (count < len)) { + put_user('\n', buf + count); + count++; + } + + *ppos += count; + return count; +} + +static int cs5535_gpio_open(struct inode *inode, struct file *file) +{ + u32 m = iminor(inode); + + /* the mask says which pins are usable by this driver */ + if ((mask & (1 << m)) == 0) + return -EINVAL; + + return nonseekable_open(inode, file); +} + +static struct file_operations cs5535_gpio_fops = { + .owner = THIS_MODULE, + .write = cs5535_gpio_write, + .read = cs5535_gpio_read, + .open = cs5535_gpio_open +}; + +static int __init cs5535_gpio_init(void) +{ + dev_t dev_id; + u32 low, hi; + int retval; + + if (pci_dev_present(divil_pci) == 0) { + printk(KERN_WARNING NAME ": DIVIL not found\n"); + return -ENODEV; + } + + /* Grab the GPIO I/O range */ + rdmsr(MSR_LBAR_GPIO, low, hi); + + /* Check the mask and whether GPIO is enabled (sanity check) */ + if (hi != 0x0000f001) { + printk(KERN_WARNING NAME ": GPIO not enabled\n"); + return -ENODEV; + } + + /* Mask off the IO base address */ + gpio_base = low & 0x0000ff00; + + /** + * Some GPIO pins + * 31-29,23 : reserved (always mask out) + * 28 : Power Button + * 26 : PME# + * 22-16 : LPC + * 14,15 : SMBus + * 9,8 : UART1 + * 7 : PCI INTB + * 3,4 : UART2/DDC + * 2 : IDE_IRQ0 + * 0 : PCI INTA + * + * If a mask was not specified, be conservative and only allow: + * 1,2,5,6,10-13,24,25,27 + */ + if (mask != 0) + mask &= 0x1f7fffff; + else + mask = 0x0b003c66; + + if (request_region(gpio_base, CS5535_GPIO_SIZE, NAME) == 0) { + printk(KERN_ERR NAME ": can't allocate I/O for GPIO\n"); + return -ENODEV; + } + + if (major) { + dev_id = MKDEV(major, 0); + retval = register_chrdev_region(dev_id, CS5535_GPIO_COUNT, + NAME); + } else { + retval = alloc_chrdev_region(&dev_id, 0, CS5535_GPIO_COUNT, + NAME); + major = MAJOR(dev_id); + } + + if (retval) { + release_region(gpio_base, CS5535_GPIO_SIZE); + return -1; + } + + printk(KERN_DEBUG NAME ": base=%#x mask=%#lx major=%d\n", + gpio_base, mask, major); + + cdev_init(&cs5535_gpio_cdev, &cs5535_gpio_fops); + cdev_add(&cs5535_gpio_cdev, dev_id, CS5535_GPIO_COUNT); + + return 0; +} + +static void __exit cs5535_gpio_cleanup(void) +{ + dev_t dev_id = MKDEV(major, 0); + unregister_chrdev_region(dev_id, CS5535_GPIO_COUNT); + if (gpio_base != 0) + release_region(gpio_base, CS5535_GPIO_SIZE); +} + +module_init(cs5535_gpio_init); +module_exit(cs5535_gpio_cleanup); diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index c7f818cd7b0..39c61a71176 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -641,6 +641,7 @@ static char rcsid[] = #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/tty.h> +#include <linux/tty_flip.h> #include <linux/serial.h> #include <linux/major.h> #include <linux/string.h> @@ -723,7 +724,7 @@ static unsigned int cy_isa_addresses[] = { 0xDE000, 0,0,0,0,0,0,0,0 }; -#define NR_ISA_ADDRS (sizeof(cy_isa_addresses)/sizeof(unsigned char*)) +#define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses) #ifdef MODULE static long maddr[NR_CARDS] = { 0, }; @@ -1086,7 +1087,7 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) int had_work; int mdm_change; int mdm_status; - + int len; if((cinfo = (struct cyclades_card *)dev_id) == 0){ #ifdef CY_DEBUG_INTERRUPTS printk("cyy_interrupt: spurious interrupt %d\n\r", irq); @@ -1163,63 +1164,43 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) info->icount.rx++; continue; } - if (tty->flip.count < TTY_FLIPBUF_SIZE){ - tty->flip.count++; + if (tty_buffer_request_room(tty, 1)) { if (data & info->read_status_mask){ if(data & CyBREAK){ - *tty->flip.flag_buf_ptr++ = - TTY_BREAK; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<<index)); + tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_BREAK); info->icount.rx++; if (info->flags & ASYNC_SAK){ do_SAK(tty); } }else if(data & CyFRAME){ - *tty->flip.flag_buf_ptr++ = - TTY_FRAME; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<<index)); + tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME); info->icount.rx++; info->idle_stats.frame_errs++; }else if(data & CyPARITY){ - *tty->flip.flag_buf_ptr++ = - TTY_PARITY; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<<index)); + /* Pieces of seven... */ + tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_PARITY); info->icount.rx++; info->idle_stats.parity_errs++; }else if(data & CyOVERRUN){ - *tty->flip.flag_buf_ptr++ = - TTY_OVERRUN; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_OVERRUN); info->icount.rx++; /* If the flip buffer itself is overflowing, we still lose the next incoming character. */ - if(tty->flip.count - < TTY_FLIPBUF_SIZE){ - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = - TTY_NORMAL; - *tty->flip.char_buf_ptr++ = - cy_readb(base_addr+(CyRDSR<<index)); - info->icount.rx++; - } + tty_insert_flip_char(tty, cy_readb(base_addr+(CyRDSR<<index)), TTY_FRAME); + info->icount.rx++; info->idle_stats.overruns++; /* These two conditions may imply */ /* a normal read should be done. */ /* }else if(data & CyTIMEOUT){ */ /* }else if(data & CySPECHAR){ */ - }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; - info->icount.rx++; + }else { + tty_insert_flip_char(tty, 0, TTY_NORMAL); + info->icount.rx++; } }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_NORMAL); info->icount.rx++; } }else{ @@ -1240,14 +1221,10 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) info->mon.char_max = char_count; info->mon.char_last = char_count; #endif - while(char_count--){ - if (tty->flip.count >= TTY_FLIPBUF_SIZE){ - break; - } - tty->flip.count++; + len = tty_buffer_request_room(tty, char_count); + while(len--){ data = cy_readb(base_addr+(CyRDSR<<index)); - *tty->flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_NORMAL); info->idle_stats.recv_bytes++; info->icount.rx++; #ifdef CY_16Y_HACK @@ -1256,7 +1233,7 @@ cyy_interrupt(int irq, void *dev_id, struct pt_regs *regs) } info->idle_stats.recv_idle = jiffies; } - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); } /* end of service */ cy_writeb(base_addr+(CyRIR<<index), (save_xir & 0x3f)); @@ -1551,6 +1528,7 @@ cyz_handle_rx(struct cyclades_port *info, struct cyclades_card *cinfo = &cy_card[info->card]; struct tty_struct *tty = info->tty; volatile int char_count; + int len; #ifdef BLOCKMOVE int small_count; #else @@ -1606,18 +1584,11 @@ cyz_handle_rx(struct cyclades_port *info, tty->flip.count += small_count; } #else - while(char_count--){ - if (tty->flip.count >= N_TTY_BUF_SIZE - tty->read_cnt) - break; - - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - break; - + len = tty_buffer_request_room(tty, char_count); + while(len--){ data = cy_readb(cinfo->base_addr + rx_bufaddr + new_rx_get); new_rx_get = (new_rx_get + 1) & (rx_bufsize - 1); - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_NORMAL); info->idle_stats.recv_bytes++; info->icount.rx++; } @@ -1635,7 +1606,7 @@ cyz_handle_rx(struct cyclades_port *info, } #endif info->idle_stats.recv_idle = jiffies; - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); } /* Update rx_get */ cy_writel(&buf_ctrl->rx_get, new_rx_get); @@ -1763,23 +1734,17 @@ cyz_handle_cmd(struct cyclades_card *cinfo) switch(cmd) { case C_CM_PR_ERROR: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_PARITY; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_PARITY); info->icount.rx++; special_count++; break; case C_CM_FR_ERROR: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_FRAME; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_FRAME); info->icount.rx++; special_count++; break; case C_CM_RXBRK: - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_BREAK); info->icount.rx++; special_count++; break; @@ -1844,7 +1809,7 @@ cyz_handle_cmd(struct cyclades_card *cinfo) if(delta_count) cy_sched_event(info, Cy_EVENT_DELTA_WAKEUP); if(special_count) - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); } } diff --git a/drivers/char/drm/Makefile b/drivers/char/drm/Makefile index e41060c7622..9d180c42816 100644 --- a/drivers/char/drm/Makefile +++ b/drivers/char/drm/Makefile @@ -3,7 +3,7 @@ # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \ - drm_drv.o drm_fops.o drm_init.o drm_ioctl.o drm_irq.o \ + drm_drv.o drm_fops.o drm_ioctl.o drm_irq.o \ drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ drm_sysfs.o @@ -18,7 +18,7 @@ radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o ffb-objs := ffb_drv.o ffb_context.o sis-objs := sis_drv.o sis_ds.o sis_mm.o savage-objs := savage_drv.o savage_bci.o savage_state.o -via-objs := via_irq.o via_drv.o via_ds.o via_map.o via_mm.o via_dma.o via_verifier.o via_video.o +via-objs := via_irq.o via_drv.o via_ds.o via_map.o via_mm.o via_dma.o via_verifier.o via_video.o via_dmablit.o ifeq ($(CONFIG_COMPAT),y) drm-objs += drm_ioc32.o diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c index efff0eec618..5485382cade 100644 --- a/drivers/char/drm/ati_pcigart.c +++ b/drivers/char/drm/ati_pcigart.c @@ -52,7 +52,7 @@ # define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */ # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ -static unsigned long drm_ati_alloc_pcigart_table(void) +static void *drm_ati_alloc_pcigart_table(void) { unsigned long address; struct page *page; @@ -72,27 +72,26 @@ static unsigned long drm_ati_alloc_pcigart_table(void) } DRM_DEBUG("%s: returning 0x%08lx\n", __FUNCTION__, address); - return address; + return (void *)address; } -static void drm_ati_free_pcigart_table(unsigned long address) +static void drm_ati_free_pcigart_table(void *address) { struct page *page; int i; DRM_DEBUG("%s\n", __FUNCTION__); - page = virt_to_page(address); + page = virt_to_page((unsigned long)address); for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) { __put_page(page); ClearPageReserved(page); } - free_pages(address, ATI_PCIGART_TABLE_ORDER); + free_pages((unsigned long)address, ATI_PCIGART_TABLE_ORDER); } -int drm_ati_pcigart_cleanup(drm_device_t * dev, - drm_ati_pcigart_info * gart_info) +int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info) { drm_sg_mem_t *entry = dev->sg; unsigned long pages; @@ -136,10 +135,10 @@ int drm_ati_pcigart_cleanup(drm_device_t * dev, EXPORT_SYMBOL(drm_ati_pcigart_cleanup); -int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) +int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info) { drm_sg_mem_t *entry = dev->sg; - unsigned long address = 0; + void *address = NULL; unsigned long pages; u32 *pci_gart, page_base, bus_address = 0; int i, j, ret = 0; @@ -163,7 +162,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) goto done; } - bus_address = pci_map_single(dev->pdev, (void *)address, + bus_address = pci_map_single(dev->pdev, address, ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, PCI_DMA_TODEVICE); if (bus_address == 0) { @@ -176,7 +175,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) address = gart_info->addr; bus_address = gart_info->bus_addr; DRM_DEBUG("PCI: Gart Table: VRAM %08X mapped at %08lX\n", - bus_address, address); + bus_address, (unsigned long)address); } pci_gart = (u32 *) address; @@ -195,7 +194,7 @@ int drm_ati_pcigart_init(drm_device_t * dev, drm_ati_pcigart_info * gart_info) if (entry->busaddr[i] == 0) { DRM_ERROR("unable to map PCIGART pages!\n"); drm_ati_pcigart_cleanup(dev, gart_info); - address = 0; + address = NULL; bus_address = 0; goto done; } diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 64d6237fdd0..9da0ddb892b 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -90,8 +90,8 @@ #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ -#define _DRM_LOCK_HELD 0x80000000 /**< Hardware lock is held */ -#define _DRM_LOCK_CONT 0x40000000 /**< Hardware lock is contended */ +#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ +#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 3dc3c9d79ae..54b561e6948 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -144,20 +144,6 @@ /** \name Backward compatibility section */ /*@{*/ -#ifndef MODULE_LICENSE -#define MODULE_LICENSE(x) -#endif - -#ifndef preempt_disable -#define preempt_disable() -#define preempt_enable() -#endif - -#ifndef pte_offset_map -#define pte_offset_map pte_offset -#define pte_unmap(pte) -#endif - #define DRM_RPR_ARG(vma) vma, #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) @@ -286,10 +272,13 @@ typedef int drm_ioctl_t(struct inode *inode, struct file *filp, typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, unsigned long arg); +#define DRM_AUTH 0x1 +#define DRM_MASTER 0x2 +#define DRM_ROOT_ONLY 0x4 + typedef struct drm_ioctl_desc { drm_ioctl_t *func; - int auth_needed; - int root_only; + int flags; } drm_ioctl_desc_t; typedef struct drm_devstate { @@ -384,6 +373,7 @@ typedef struct drm_buf_entry { /** File private data */ typedef struct drm_file { int authenticated; + int master; int minor; pid_t pid; uid_t uid; @@ -532,8 +522,9 @@ typedef struct drm_vbl_sig { typedef struct ati_pcigart_info { int gart_table_location; int is_pcie; - unsigned long addr; + void *addr; dma_addr_t bus_addr; + drm_local_map_t mapping; } drm_ati_pcigart_info; /** @@ -544,16 +535,14 @@ typedef struct ati_pcigart_info { struct drm_device; struct drm_driver { - int (*preinit) (struct drm_device *, unsigned long flags); - void (*prerelease) (struct drm_device *, struct file * filp); - void (*pretakedown) (struct drm_device *); - int (*postcleanup) (struct drm_device *); - int (*presetup) (struct drm_device *); - int (*postsetup) (struct drm_device *); + int (*load) (struct drm_device *, unsigned long flags); + int (*firstopen) (struct drm_device *); + int (*open) (struct drm_device *, drm_file_t *); + void (*preclose) (struct drm_device *, struct file * filp); + void (*postclose) (struct drm_device *, drm_file_t *); + void (*lastclose) (struct drm_device *); + int (*unload) (struct drm_device *); int (*dma_ioctl) (DRM_IOCTL_ARGS); - int (*open_helper) (struct drm_device *, drm_file_t *); - void (*free_filp_priv) (struct drm_device *, drm_file_t *); - void (*release) (struct drm_device *, struct file * filp); void (*dma_ready) (struct drm_device *); int (*dma_quiescent) (struct drm_device *); int (*context_ctor) (struct drm_device * dev, int context); @@ -561,8 +550,9 @@ struct drm_driver { int (*kernel_context_switch) (struct drm_device * dev, int old, int new); void (*kernel_context_switch_unlock) (struct drm_device * dev, - drm_lock_t * lock); + drm_lock_t *lock); int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); + int (*dri_library_name) (struct drm_device *dev, char *buf); /** * Called by \c drm_device_is_agp. Typically used to determine if a @@ -579,16 +569,24 @@ struct drm_driver { /* these have to be filled in */ - int (*postinit) (struct drm_device *, unsigned long flags); - irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); + irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); void (*irq_preinstall) (struct drm_device * dev); void (*irq_postinstall) (struct drm_device * dev); void (*irq_uninstall) (struct drm_device * dev); void (*reclaim_buffers) (struct drm_device * dev, struct file * filp); + void (*reclaim_buffers_locked) (struct drm_device *dev, + struct file *filp); unsigned long (*get_map_ofs) (drm_map_t * map); unsigned long (*get_reg_ofs) (struct drm_device * dev); void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); - int (*version) (drm_version_t * version); + + int major; + int minor; + int patchlevel; + char *name; + char *desc; + char *date; + u32 driver_features; int dev_priv_size; drm_ioctl_desc_t *ioctls; @@ -752,19 +750,43 @@ static inline int drm_core_has_MTRR(struct drm_device *dev) { return drm_core_check_feature(dev, DRIVER_USE_MTRR); } + +#define DRM_MTRR_WC MTRR_TYPE_WRCOMB + +static inline int drm_mtrr_add(unsigned long offset, unsigned long size, + unsigned int flags) +{ + return mtrr_add(offset, size, flags, 1); +} + +static inline int drm_mtrr_del(int handle, unsigned long offset, + unsigned long size, unsigned int flags) +{ + return mtrr_del(handle, offset, size); +} + #else #define drm_core_has_MTRR(dev) (0) + +#define DRM_MTRR_WC 0 + +static inline int drm_mtrr_add(unsigned long offset, unsigned long size, + unsigned int flags) +{ + return 0; +} + +static inline int drm_mtrr_del(int handle, unsigned long offset, + unsigned long size, unsigned int flags) +{ + return 0; +} #endif /******************************************************************/ /** \name Internal function definitions */ /*@{*/ - /* Misc. support (drm_init.h) */ -extern int drm_flags; -extern void drm_parse_options(char *s); -extern int drm_cpu_valid(void); - /* Driver support (drm_drv.h) */ extern int drm_init(struct drm_driver *driver); extern void drm_exit(struct drm_driver *driver); @@ -772,12 +794,11 @@ extern int drm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_takedown(drm_device_t * dev); +extern int drm_lastclose(drm_device_t *dev); /* Device support (drm_fops.h) */ extern int drm_open(struct inode *inode, struct file *filp); extern int drm_stub_open(struct inode *inode, struct file *filp); -extern int drm_flush(struct file *filp); extern int drm_fasync(int fd, struct file *filp, int on); extern int drm_release(struct inode *inode, struct file *filp); @@ -819,6 +840,8 @@ extern int drm_getstats(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int drm_setversion(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int drm_noop(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* Context IOCTL support (drm_context.h) */ extern int drm_resctx(struct inode *inode, struct file *filp, @@ -857,10 +880,6 @@ extern int drm_getmagic(struct inode *inode, struct file *filp, extern int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); - /* Placeholder for ioctls past */ -extern int drm_noop(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - /* Locking IOCTL support (drm_lock.h) */ extern int drm_lock(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); @@ -873,6 +892,7 @@ extern int drm_lock_free(drm_device_t * dev, /* Buffer management support (drm_bufs.h) */ extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request); +extern int drm_addbufs_fb(drm_device_t *dev, drm_buf_desc_t *request); extern int drm_addmap(drm_device_t * dev, unsigned int offset, unsigned int size, drm_map_type_t type, drm_map_flags_t flags, drm_local_map_t ** map_ptr); @@ -908,8 +928,8 @@ extern void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp); /* IRQ support (drm_irq.h) */ extern int drm_control(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_irq_uninstall(drm_device_t * dev); extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); +extern int drm_irq_uninstall(drm_device_t * dev); extern void drm_driver_irq_preinstall(drm_device_t * dev); extern void drm_driver_irq_postinstall(drm_device_t * dev); extern void drm_driver_irq_uninstall(drm_device_t * dev); @@ -933,13 +953,17 @@ extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t * info); extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_alloc(struct inode *inode, struct file *filp, +extern int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request); +extern int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_free(struct inode *inode, struct file *filp, +extern int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request); +extern int drm_agp_free_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_unbind(struct inode *inode, struct file *filp, +extern int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request); +extern int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_bind(struct inode *inode, struct file *filp, +extern int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request); +extern int drm_agp_bind_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); @@ -991,10 +1015,8 @@ extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, char *name); extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, - dev_t dev, - struct device *device, - const char *fmt, ...); -extern void drm_sysfs_device_remove(dev_t dev); + drm_head_t *head); +extern void drm_sysfs_device_remove(struct class_device *class_dev); /* Inline replacements for DRM_IOREMAP macros */ static __inline__ void drm_core_ioremap(struct drm_map *map, diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c index 2b6453a9ffc..fabc930c67a 100644 --- a/drivers/char/drm/drm_agpsupport.c +++ b/drivers/char/drm/drm_agpsupport.c @@ -1,5 +1,5 @@ /** - * \file drm_agpsupport.h + * \file drm_agpsupport.c * DRM support for AGP/GART backend * * \author Rickard E. (Rik) Faith <faith@valinux.com> @@ -91,7 +91,7 @@ int drm_agp_info_ioctl(struct inode *inode, struct file *filp, /** * Acquire the AGP device. * - * \param dev DRM device that is to acquire AGP + * \param dev DRM device that is to acquire AGP. * \return zero on success or a negative number on failure. * * Verifies the AGP device hasn't been acquired before and calls @@ -134,7 +134,7 @@ int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, /** * Release the AGP device. * - * \param dev DRM device that is to release AGP + * \param dev DRM device that is to release AGP. * \return zero on success or a negative number on failure. * * Verifies the AGP device has been acquired and calls \c agp_backend_release. @@ -147,7 +147,6 @@ int drm_agp_release(drm_device_t * dev) dev->agp->acquired = 0; return 0; } - EXPORT_SYMBOL(drm_agp_release); int drm_agp_release_ioctl(struct inode *inode, struct file *filp, @@ -208,30 +207,22 @@ int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, * Verifies the AGP device is present and has been acquired, allocates the * memory via alloc_agp() and creates a drm_agp_mem entry for it. */ -int drm_agp_alloc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_agp_buffer_t request; drm_agp_mem_t *entry; DRM_AGP_MEM *memory; unsigned long pages; u32 type; - drm_agp_buffer_t __user *argp = (void __user *)arg; if (!dev->agp || !dev->agp->acquired) return -EINVAL; - if (copy_from_user(&request, argp, sizeof(request))) - return -EFAULT; if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS))) return -ENOMEM; memset(entry, 0, sizeof(*entry)); - pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; - type = (u32) request.type; - + pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE; + type = (u32) request->type; if (!(memory = drm_alloc_agp(dev, pages, type))) { drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -ENOMEM; @@ -247,16 +238,39 @@ int drm_agp_alloc(struct inode *inode, struct file *filp, dev->agp->memory->prev = entry; dev->agp->memory = entry; - request.handle = entry->handle; - request.physical = memory->physical; + request->handle = entry->handle; + request->physical = memory->physical; + + return 0; +} +EXPORT_SYMBOL(drm_agp_alloc); + +int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_buffer_t request; + drm_agp_buffer_t __user *argp = (void __user *)arg; + int err; + + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + + err = drm_agp_alloc(dev, &request); + if (err) + return err; if (copy_to_user(argp, &request, sizeof(request))) { + drm_agp_mem_t *entry = dev->agp->memory; + dev->agp->memory = entry->next; dev->agp->memory->prev = NULL; - drm_free_agp(memory, pages); + drm_free_agp(entry->memory, entry->pages); drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -EFAULT; } + return 0; } @@ -293,21 +307,14 @@ static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t * dev, * Verifies the AGP device is present and acquired, looks-up the AGP memory * entry and passes it to the unbind_agp() function. */ -int drm_agp_unbind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_agp_binding_t request; drm_agp_mem_t *entry; int ret; if (!dev->agp || !dev->agp->acquired) return -EINVAL; - if (copy_from_user - (&request, (drm_agp_binding_t __user *) arg, sizeof(request))) - return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = drm_agp_lookup_entry(dev, request->handle))) return -EINVAL; if (!entry->bound) return -EINVAL; @@ -316,6 +323,21 @@ int drm_agp_unbind(struct inode *inode, struct file *filp, entry->bound = 0; return ret; } +EXPORT_SYMBOL(drm_agp_unbind); + +int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_binding_t request; + + if (copy_from_user + (&request, (drm_agp_binding_t __user *) arg, sizeof(request))) + return -EFAULT; + + return drm_agp_unbind(dev, &request); +} /** * Bind AGP memory into the GATT (ioctl) @@ -330,26 +352,19 @@ int drm_agp_unbind(struct inode *inode, struct file *filp, * is currently bound into the GATT. Looks-up the AGP memory entry and passes * it to bind_agp() function. */ -int drm_agp_bind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_agp_binding_t request; drm_agp_mem_t *entry; int retcode; int page; if (!dev->agp || !dev->agp->acquired) return -EINVAL; - if (copy_from_user - (&request, (drm_agp_binding_t __user *) arg, sizeof(request))) - return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = drm_agp_lookup_entry(dev, request->handle))) return -EINVAL; if (entry->bound) return -EINVAL; - page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; + page = (request->offset + PAGE_SIZE - 1) / PAGE_SIZE; if ((retcode = drm_bind_agp(entry->memory, page))) return retcode; entry->bound = dev->agp->base + (page << PAGE_SHIFT); @@ -357,6 +372,21 @@ int drm_agp_bind(struct inode *inode, struct file *filp, dev->agp->base, entry->bound); return 0; } +EXPORT_SYMBOL(drm_agp_bind); + +int drm_agp_bind_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_binding_t request; + + if (copy_from_user + (&request, (drm_agp_binding_t __user *) arg, sizeof(request))) + return -EFAULT; + + return drm_agp_bind(dev, &request); +} /** * Free AGP memory (ioctl). @@ -372,20 +402,13 @@ int drm_agp_bind(struct inode *inode, struct file *filp, * unbind_agp(). Frees it via free_agp() as well as the entry itself * and unlinks from the doubly linked list it's inserted in. */ -int drm_agp_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_agp_buffer_t request; drm_agp_mem_t *entry; if (!dev->agp || !dev->agp->acquired) return -EINVAL; - if (copy_from_user - (&request, (drm_agp_buffer_t __user *) arg, sizeof(request))) - return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = drm_agp_lookup_entry(dev, request->handle))) return -EINVAL; if (entry->bound) drm_unbind_agp(entry->memory); @@ -402,12 +425,30 @@ int drm_agp_free(struct inode *inode, struct file *filp, drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return 0; } +EXPORT_SYMBOL(drm_agp_free); + +int drm_agp_free_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_buffer_t request; + + if (copy_from_user + (&request, (drm_agp_buffer_t __user *) arg, sizeof(request))) + return -EFAULT; + + return drm_agp_free(dev, &request); +} /** * Initialize the AGP resources. * * \return pointer to a drm_agp_head structure. * + * Gets the drm_agp_t structure which is made available by the agpgart module + * via the inter_module_* functions. Creates and initializes a drm_agp_head + * structure. */ drm_agp_head_t *drm_agp_init(drm_device_t * dev) { diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 319bdea8de8..1db12dcb680 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -36,22 +36,21 @@ #include <linux/vmalloc.h> #include "drmP.h" -unsigned long drm_get_resource_start(drm_device_t * dev, unsigned int resource) +unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource) { return pci_resource_start(dev->pdev, resource); } - EXPORT_SYMBOL(drm_get_resource_start); -unsigned long drm_get_resource_len(drm_device_t * dev, unsigned int resource) +unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource) { return pci_resource_len(dev->pdev, resource); } EXPORT_SYMBOL(drm_get_resource_len); -static drm_map_list_t *drm_find_matching_map(drm_device_t * dev, - drm_local_map_t * map) +static drm_map_list_t *drm_find_matching_map(drm_device_t *dev, + drm_local_map_t *map) { struct list_head *list; @@ -74,7 +73,7 @@ static drm_map_list_t *drm_find_matching_map(drm_device_t * dev, #ifdef _LP64 static __inline__ unsigned int HandleID(unsigned long lhandle, - drm_device_t * dev) + drm_device_t *dev) { static unsigned int map32_handle = START_RANGE; unsigned int hash; @@ -155,7 +154,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, case _DRM_REGISTERS: case _DRM_FRAME_BUFFER: #if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) - if (map->offset + map->size < map->offset || + if (map->offset + (map->size-1) < map->offset || map->offset < virt_to_phys(high_memory)) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; @@ -301,6 +300,9 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp, return -EFAULT; } + if (!(capable(CAP_SYS_ADMIN) || map.type == _DRM_AGP)) + return -EPERM; + err = drm_addmap_core(dev, map.offset, map.size, map.type, map.flags, &maplist); @@ -332,7 +334,7 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp, * * \sa drm_addmap */ -int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map) +int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) { struct list_head *list; drm_map_list_t *r_list = NULL; @@ -384,10 +386,9 @@ int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map) return 0; } - EXPORT_SYMBOL(drm_rmmap_locked); -int drm_rmmap(drm_device_t * dev, drm_local_map_t * map) +int drm_rmmap(drm_device_t *dev, drm_local_map_t *map) { int ret; @@ -397,7 +398,6 @@ int drm_rmmap(drm_device_t * dev, drm_local_map_t * map) return ret; } - EXPORT_SYMBOL(drm_rmmap); /* The rmmap ioctl appears to be unnecessary. All mappings are torn down on @@ -548,7 +548,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) DRM_DEBUG("count: %d\n", count); DRM_DEBUG("order: %d\n", order); DRM_DEBUG("size: %d\n", size); - DRM_DEBUG("agp_offset: %lu\n", agp_offset); + DRM_DEBUG("agp_offset: %lx\n", agp_offset); DRM_DEBUG("alignment: %d\n", alignment); DRM_DEBUG("page_order: %d\n", page_order); DRM_DEBUG("total: %d\n", total); @@ -649,6 +649,8 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) } dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += byte_count >> PAGE_SHIFT; dma->byte_count += byte_count; DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); @@ -664,7 +666,6 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) atomic_dec(&dev->buf_alloc); return 0; } - EXPORT_SYMBOL(drm_addbufs_agp); #endif /* __OS_HAS_AGP */ @@ -689,9 +690,13 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL; + if (!dma) return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + count = request->count; order = drm_order(request->size); size = 1 << order; @@ -882,7 +887,6 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) return 0; } - EXPORT_SYMBOL(drm_addbufs_pci); static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) @@ -908,6 +912,9 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) if (!dma) return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + count = request->count; order = drm_order(request->size); size = 1 << order; @@ -1026,6 +1033,8 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) } dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += byte_count >> PAGE_SHIFT; dma->byte_count += byte_count; DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); @@ -1042,7 +1051,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request) return 0; } -static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) +int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) { drm_device_dma_t *dma = dev->dma; drm_buf_entry_t *entry; @@ -1065,6 +1074,9 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) if (!dma) return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + count = request->count; order = drm_order(request->size); size = 1 << order; @@ -1181,6 +1193,8 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) } dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += byte_count >> PAGE_SHIFT; dma->byte_count += byte_count; DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); @@ -1196,6 +1210,8 @@ static int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request) atomic_dec(&dev->buf_alloc); return 0; } +EXPORT_SYMBOL(drm_addbufs_fb); + /** * Add buffers for DMA transfers (ioctl). @@ -1577,5 +1593,6 @@ int drm_order(unsigned long size) return order; } - EXPORT_SYMBOL(drm_order); + + diff --git a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c index bd958d69a2a..f8425452694 100644 --- a/drivers/char/drm/drm_context.c +++ b/drivers/char/drm/drm_context.c @@ -433,7 +433,7 @@ int drm_addctx(struct inode *inode, struct file *filp, if (ctx.handle != DRM_KERNEL_CONTEXT) { if (dev->driver->context_ctor) if (!dev->driver->context_ctor(dev, ctx.handle)) { - DRM_DEBUG( "Running out of ctxs or memory.\n"); + DRM_DEBUG("Running out of ctxs or memory.\n"); return -ENOMEM; } } diff --git a/drivers/char/drm/drm_core.h b/drivers/char/drm/drm_core.h index cc97bb906dd..f4f9db6c7ed 100644 --- a/drivers/char/drm/drm_core.h +++ b/drivers/char/drm/drm_core.h @@ -24,11 +24,11 @@ #define CORE_NAME "drm" #define CORE_DESC "DRM shared core routines" -#define CORE_DATE "20040925" +#define CORE_DATE "20051102" #define DRM_IF_MAJOR 1 #define DRM_IF_MINOR 2 #define CORE_MAJOR 1 #define CORE_MINOR 0 -#define CORE_PATCHLEVEL 0 +#define CORE_PATCHLEVEL 1 diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index 4dff7554eb0..c4fa5a29582 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -56,66 +56,66 @@ static int drm_version(struct inode *inode, struct file *filp, /** Ioctl table */ static drm_ioctl_desc_t drm_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = {drm_version, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = {drm_getunique, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = {drm_getmagic, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = {drm_irq_by_busid, 0, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = {drm_getmap, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = {drm_getclient, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = {drm_getstats, 0, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = {drm_setversion, 0, 1}, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = {drm_setunique, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = {drm_noop, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = {drm_noop, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = {drm_authmagic, 1, 1}, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = {drm_addmap_ioctl, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, 1, 0}, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, 1, 0}, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, 1, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = {drm_newctx, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = {drm_resctx, 1, 0}, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = {drm_adddraw, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = {drm_rmdraw, 1, 1}, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = {drm_lock, 1, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = {drm_unlock, 1, 0}, - - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = {drm_noop, 1, 0}, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = {drm_addbufs, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = {drm_markbufs, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = {drm_infobufs, 1, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = {drm_mapbufs, 1, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = {drm_freebufs, 1, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = {drm_version, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = {drm_getunique, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = {drm_getmagic, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = {drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = {drm_getmap, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = {drm_getclient, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = {drm_getstats, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = {drm_setversion, DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = {drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = {drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = {drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = {drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = {drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = {drm_rmmap_ioctl, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = {drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = {drm_getsareactx, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = {drm_addctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = {drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = {drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = {drm_getctx, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = {drm_switchctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = {drm_newctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = {drm_resctx, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = {drm_adddraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = {drm_rmdraw, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = {drm_lock, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = {drm_unlock, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = {drm_noop, DRM_AUTH}, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = {drm_addbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = {drm_markbufs, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = {drm_infobufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = {drm_mapbufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = {drm_freebufs, DRM_AUTH}, /* The DRM_IOCTL_DMA ioctl should be defined by the driver. */ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = {NULL, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, 1, 1}, + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = {drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, #if __OS_HAS_AGP - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, 1, 0}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_bind, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind, 1, 1}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_bind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, #endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, 1, 1}, + [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, - [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0, 0}, + [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0}, }; #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls ) @@ -129,7 +129,7 @@ static drm_ioctl_desc_t drm_ioctls[] = { * * \sa drm_device */ -int drm_takedown(drm_device_t * dev) +int drm_lastclose(drm_device_t * dev) { drm_magic_entry_t *pt, *next; drm_map_list_t *r_list; @@ -138,9 +138,9 @@ int drm_takedown(drm_device_t * dev) DRM_DEBUG("\n"); - if (dev->driver->pretakedown) - dev->driver->pretakedown(dev); - DRM_DEBUG("driver pretakedown completed\n"); + if (dev->driver->lastclose) + dev->driver->lastclose(dev); + DRM_DEBUG("driver lastclose completed\n"); if (dev->unique) { drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER); @@ -233,7 +233,7 @@ int drm_takedown(drm_device_t * dev) } up(&dev->struct_sem); - DRM_DEBUG("takedown completed\n"); + DRM_DEBUG("lastclose completed\n"); return 0; } @@ -281,7 +281,7 @@ EXPORT_SYMBOL(drm_init); /** * Called via cleanup_module() at module unload time. * - * Cleans up all DRM device, calling takedown(). + * Cleans up all DRM device, calling drm_lastclose(). * * \sa drm_init */ @@ -294,7 +294,7 @@ static void drm_cleanup(drm_device_t * dev) return; } - drm_takedown(dev); + drm_lastclose(dev); if (dev->maplist) { drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); @@ -317,8 +317,8 @@ static void drm_cleanup(drm_device_t * dev) dev->agp = NULL; } - if (dev->driver->postcleanup) - dev->driver->postcleanup(dev); + if (dev->driver->unload) + dev->driver->unload(dev); drm_put_head(&dev->primary); if (drm_put_dev(dev)) @@ -342,12 +342,12 @@ void drm_exit(struct drm_driver *driver) if (head->dev->driver != driver) continue; dev = head->dev; - } - if (dev) { - /* release the pci driver */ - if (dev->pdev) - pci_dev_put(dev->pdev); - drm_cleanup(dev); + if (dev) { + /* release the pci driver */ + if (dev->pdev) + pci_dev_put(dev->pdev); + drm_cleanup(dev); + } } DRM_INFO("Module unloaded\n"); } @@ -432,14 +432,17 @@ static int drm_version(struct inode *inode, struct file *filp, drm_device_t *dev = priv->head->dev; drm_version_t __user *argp = (void __user *)arg; drm_version_t version; - int ret; + int len; if (copy_from_user(&version, argp, sizeof(version))) return -EFAULT; - /* version is a required function to return the personality module version */ - if ((ret = dev->driver->version(&version))) - return ret; + version.version_major = dev->driver->major; + version.version_minor = dev->driver->minor; + version.version_patchlevel = dev->driver->patchlevel; + DRM_COPY(version.name, dev->driver->name); + DRM_COPY(version.date, dev->driver->date); + DRM_COPY(version.desc, dev->driver->desc); if (copy_to_user(argp, &version, sizeof(version))) return -EFAULT; @@ -493,8 +496,9 @@ int drm_ioctl(struct inode *inode, struct file *filp, if (!func) { DRM_DEBUG("no function\n"); retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) || - (ioctl->auth_needed && !priv->authenticated)) { + } else if (((ioctl->flags & DRM_ROOT_ONLY) && !capable(CAP_SYS_ADMIN)) || + ((ioctl->flags & DRM_AUTH) && !priv->authenticated) || + ((ioctl->flags & DRM_MASTER) && !priv->master)) { retcode = -EACCES; } else { retcode = func(inode, filp, cmd, arg); diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index bf0a740122b..403f44a1bf0 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -35,6 +35,7 @@ */ #include "drmP.h" +#include "drm_sarea.h" #include <linux/poll.h> static int drm_open_helper(struct inode *inode, struct file *filp, @@ -42,15 +43,21 @@ static int drm_open_helper(struct inode *inode, struct file *filp, static int drm_setup(drm_device_t * dev) { + drm_local_map_t *map; int i; int ret; - if (dev->driver->presetup) { - ret = dev->driver->presetup(dev); + if (dev->driver->firstopen) { + ret = dev->driver->firstopen(dev); if (ret != 0) return ret; } + /* prebuild the SAREA */ + i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, _DRM_CONTAINS_LOCK, &map); + if (i != 0) + return i; + atomic_set(&dev->ioctl_count, 0); atomic_set(&dev->vma_count, 0); dev->buf_use = 0; @@ -109,8 +116,6 @@ static int drm_setup(drm_device_t * dev) * drm_select_queue fails between the time the interrupt is * initialized and the time the queues are initialized. */ - if (dev->driver->postsetup) - dev->driver->postsetup(dev); return 0; } @@ -154,10 +159,168 @@ int drm_open(struct inode *inode, struct file *filp) return retcode; } - EXPORT_SYMBOL(drm_open); /** + * File \c open operation. + * + * \param inode device inode. + * \param filp file pointer. + * + * Puts the dev->fops corresponding to the device minor number into + * \p filp, call the \c open method, and restore the file operations. + */ +int drm_stub_open(struct inode *inode, struct file *filp) +{ + drm_device_t *dev = NULL; + int minor = iminor(inode); + int err = -ENODEV; + struct file_operations *old_fops; + + DRM_DEBUG("\n"); + + if (!((minor >= 0) && (minor < drm_cards_limit))) + return -ENODEV; + + if (!drm_heads[minor]) + return -ENODEV; + + if (!(dev = drm_heads[minor]->dev)) + return -ENODEV; + + old_fops = filp->f_op; + filp->f_op = fops_get(&dev->driver->fops); + if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { + fops_put(filp->f_op); + filp->f_op = fops_get(old_fops); + } + fops_put(old_fops); + + return err; +} + +/** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. + */ +static int drm_cpu_valid(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) + return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} + +/** + * Called whenever a process opens /dev/drm. + * + * \param inode device inode. + * \param filp file pointer. + * \param dev device. + * \return zero on success or a negative number on failure. + * + * Creates and initializes a drm_file structure for the file private data in \p + * filp and add it into the double linked list in \p dev. + */ +static int drm_open_helper(struct inode *inode, struct file *filp, + drm_device_t * dev) +{ + int minor = iminor(inode); + drm_file_t *priv; + int ret; + + if (filp->f_flags & O_EXCL) + return -EBUSY; /* No exclusive opens */ + if (!drm_cpu_valid()) + return -EINVAL; + + DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); + + priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); + if (!priv) + return -ENOMEM; + + memset(priv, 0, sizeof(*priv)); + filp->private_data = priv; + priv->uid = current->euid; + priv->pid = current->pid; + priv->minor = minor; + priv->head = drm_heads[minor]; + priv->ioctl_count = 0; + /* for compatibility root is always authenticated */ + priv->authenticated = capable(CAP_SYS_ADMIN); + priv->lock_count = 0; + + if (dev->driver->open) { + ret = dev->driver->open(dev, priv); + if (ret < 0) + goto out_free; + } + + down(&dev->struct_sem); + if (!dev->file_last) { + priv->next = NULL; + priv->prev = NULL; + dev->file_first = priv; + dev->file_last = priv; + /* first opener automatically becomes master */ + priv->master = 1; + } else { + priv->next = NULL; + priv->prev = dev->file_last; + dev->file_last->next = priv; + dev->file_last = priv; + } + up(&dev->struct_sem); + +#ifdef __alpha__ + /* + * Default the hose + */ + if (!dev->hose) { + struct pci_dev *pci_dev; + pci_dev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, NULL); + if (pci_dev) { + dev->hose = pci_dev->sysdata; + pci_dev_put(pci_dev); + } + if (!dev->hose) { + struct pci_bus *b = pci_bus_b(pci_root_buses.next); + if (b) + dev->hose = b->sysdata; + } + } +#endif + + return 0; + out_free: + drm_free(priv, sizeof(*priv), DRM_MEM_FILES); + filp->private_data = NULL; + return ret; +} + +/** No-op. */ +int drm_fasync(int fd, struct file *filp, int on) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode; + + DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, + (long)old_encode_dev(priv->head->device)); + retcode = fasync_helper(fd, filp, on, &dev->buf_async); + if (retcode < 0) + return retcode; + return 0; +} +EXPORT_SYMBOL(drm_fasync); + +/** * Release file. * * \param inode device inode @@ -167,7 +330,7 @@ EXPORT_SYMBOL(drm_open); * If the hardware lock is held then free it, and take it again for the kernel * context since it's necessary to reclaim buffers. Unlink the file private * data from its list and free it. Decreases the open count and if it reaches - * zero calls takedown(). + * zero calls drm_lastclose(). */ int drm_release(struct inode *inode, struct file *filp) { @@ -180,8 +343,8 @@ int drm_release(struct inode *inode, struct file *filp) DRM_DEBUG("open_count = %d\n", dev->open_count); - if (dev->driver->prerelease) - dev->driver->prerelease(dev, filp); + if (dev->driver->preclose) + dev->driver->preclose(dev, filp); /* ======================================================== * Begin inline drm_release @@ -197,8 +360,8 @@ int drm_release(struct inode *inode, struct file *filp) DRM_DEBUG("File %p released, freeing lock for context %d\n", filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - if (dev->driver->release) - dev->driver->release(dev, filp); + if (dev->driver->reclaim_buffers_locked) + dev->driver->reclaim_buffers_locked(dev, filp); drm_lock_free(dev, &dev->lock.hw_lock->lock, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); @@ -207,7 +370,7 @@ int drm_release(struct inode *inode, struct file *filp) hardware at this point, possibly processed via a callback to the X server. */ - } else if (dev->driver->release && priv->lock_count + } else if (dev->driver->reclaim_buffers_locked && priv->lock_count && dev->lock.hw_lock) { /* The lock is required to reclaim buffers */ DECLARE_WAITQUEUE(entry, current); @@ -237,15 +400,14 @@ int drm_release(struct inode *inode, struct file *filp) __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); if (!retcode) { - if (dev->driver->release) - dev->driver->release(dev, filp); + dev->driver->reclaim_buffers_locked(dev, filp); drm_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); } } - if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) - && !dev->driver->release) { + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && + !dev->driver->reclaim_buffers_locked) { dev->driver->reclaim_buffers(dev, filp); } @@ -292,9 +454,8 @@ int drm_release(struct inode *inode, struct file *filp) } up(&dev->struct_sem); - if (dev->driver->free_filp_priv) - dev->driver->free_filp_priv(dev, priv); - + if (dev->driver->postclose) + dev->driver->postclose(dev, priv); drm_free(priv, sizeof(*priv), DRM_MEM_FILES); /* ======================================================== @@ -313,7 +474,7 @@ int drm_release(struct inode *inode, struct file *filp) } spin_unlock(&dev->count_lock); unlock_kernel(); - return drm_takedown(dev); + return drm_lastclose(dev); } spin_unlock(&dev->count_lock); @@ -321,129 +482,11 @@ int drm_release(struct inode *inode, struct file *filp) return retcode; } - EXPORT_SYMBOL(drm_release); -/** - * Called whenever a process opens /dev/drm. - * - * \param inode device inode. - * \param filp file pointer. - * \param dev device. - * \return zero on success or a negative number on failure. - * - * Creates and initializes a drm_file structure for the file private data in \p - * filp and add it into the double linked list in \p dev. - */ -static int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t * dev) -{ - int minor = iminor(inode); - drm_file_t *priv; - int ret; - - if (filp->f_flags & O_EXCL) - return -EBUSY; /* No exclusive opens */ - if (!drm_cpu_valid()) - return -EINVAL; - - DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); - - priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); - if (!priv) - return -ENOMEM; - - memset(priv, 0, sizeof(*priv)); - filp->private_data = priv; - priv->uid = current->euid; - priv->pid = current->pid; - priv->minor = minor; - priv->head = drm_heads[minor]; - priv->ioctl_count = 0; - priv->authenticated = capable(CAP_SYS_ADMIN); - priv->lock_count = 0; - - if (dev->driver->open_helper) { - ret = dev->driver->open_helper(dev, priv); - if (ret < 0) - goto out_free; - } - - down(&dev->struct_sem); - if (!dev->file_last) { - priv->next = NULL; - priv->prev = NULL; - dev->file_first = priv; - dev->file_last = priv; - } else { - priv->next = NULL; - priv->prev = dev->file_last; - dev->file_last->next = priv; - dev->file_last = priv; - } - up(&dev->struct_sem); - -#ifdef __alpha__ - /* - * Default the hose - */ - if (!dev->hose) { - struct pci_dev *pci_dev; - pci_dev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, NULL); - if (pci_dev) { - dev->hose = pci_dev->sysdata; - pci_dev_put(pci_dev); - } - if (!dev->hose) { - struct pci_bus *b = pci_bus_b(pci_root_buses.next); - if (b) - dev->hose = b->sysdata; - } - } -#endif - - return 0; - out_free: - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - filp->private_data = NULL; - return ret; -} - -/** No-op. */ -int drm_flush(struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - - DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", - current->pid, (long)old_encode_dev(priv->head->device), - dev->open_count); - return 0; -} - -EXPORT_SYMBOL(drm_flush); - -/** No-op. */ -int drm_fasync(int fd, struct file *filp, int on) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - int retcode; - - DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, - (long)old_encode_dev(priv->head->device)); - retcode = fasync_helper(fd, filp, on, &dev->buf_async); - if (retcode < 0) - return retcode; - return 0; -} - -EXPORT_SYMBOL(drm_fasync); - /** No-op. */ unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) { return 0; } - EXPORT_SYMBOL(drm_poll); diff --git a/drivers/char/drm/drm_init.c b/drivers/char/drm/drm_init.c deleted file mode 100644 index 754b934715c..00000000000 --- a/drivers/char/drm/drm_init.c +++ /dev/null @@ -1,53 +0,0 @@ -/** - * \file drm_init.c - * Setup/Cleanup for DRM - * - * \author Rickard E. (Rik) Faith <faith@valinux.com> - * \author Gareth Hughes <gareth@valinux.com> - */ - -/* - * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "drmP.h" - -/** - * Check whether DRI will run on this CPU. - * - * \return non-zero if the DRI will run on this CPU, or zero otherwise. - */ -int drm_cpu_valid(void) -{ -#if defined(__i386__) - if (boot_cpu_data.x86 == 3) - return 0; /* No cmpxchg on a 386 */ -#endif -#if defined(__sparc__) && !defined(__sparc_v9__) - return 0; /* No cmpxchg before v9 sparc. */ -#endif - return 1; -} diff --git a/drivers/char/drm/drm_ioc32.c b/drivers/char/drm/drm_ioc32.c index dd91ff6b474..e9e2db18952 100644 --- a/drivers/char/drm/drm_ioc32.c +++ b/drivers/char/drm/drm_ioc32.c @@ -28,7 +28,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm_core.h" diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c index 9b0feba6b06..bcd4e604d3e 100644 --- a/drivers/char/drm/drm_ioctl.c +++ b/drivers/char/drm/drm_ioctl.c @@ -137,17 +137,22 @@ int drm_setunique(struct inode *inode, struct file *filp, static int drm_set_busid(drm_device_t * dev) { + int len; + if (dev->unique != NULL) return EBUSY; - dev->unique_len = 20; + dev->unique_len = 40; dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER); if (dev->unique == NULL) return ENOMEM; - snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", + len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); + if (len > dev->unique_len) + DRM_ERROR("Unique buffer overflowed\n"); + dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 2, DRM_MEM_DRIVER); @@ -239,7 +244,7 @@ int drm_getclient(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; - drm_client_t __user *argp = (void __user *)arg; + drm_client_t __user *argp = (drm_client_t __user *)arg; drm_client_t client; drm_file_t *pt; int idx; @@ -262,7 +267,7 @@ int drm_getclient(struct inode *inode, struct file *filp, client.iocs = pt->ioctl_count; up(&dev->struct_sem); - if (copy_to_user((drm_client_t __user *) arg, &client, sizeof(client))) + if (copy_to_user(argp, &client, sizeof(client))) return -EFAULT; return 0; } @@ -325,17 +330,13 @@ int drm_setversion(DRM_IOCTL_ARGS) drm_set_version_t retv; int if_version; drm_set_version_t __user *argp = (void __user *)data; - drm_version_t version; DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv)); - memset(&version, 0, sizeof(version)); - - dev->driver->version(&version); retv.drm_di_major = DRM_IF_MAJOR; retv.drm_di_minor = DRM_IF_MINOR; - retv.drm_dd_major = version.version_major; - retv.drm_dd_minor = version.version_minor; + retv.drm_dd_major = dev->driver->major; + retv.drm_dd_minor = dev->driver->minor; DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv)); @@ -343,7 +344,7 @@ int drm_setversion(DRM_IOCTL_ARGS) if (sv.drm_di_major != DRM_IF_MAJOR || sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) return EINVAL; - if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); + if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor); dev->if_version = DRM_MAX(if_version, dev->if_version); if (sv.drm_di_minor >= 1) { /* @@ -354,9 +355,9 @@ int drm_setversion(DRM_IOCTL_ARGS) } if (sv.drm_dd_major != -1) { - if (sv.drm_dd_major != version.version_major || + if (sv.drm_dd_major != dev->driver->major || sv.drm_dd_minor < 0 - || sv.drm_dd_minor > version.version_minor) + || sv.drm_dd_minor > dev->driver->minor) return EINVAL; if (dev->driver->set_version) diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index b48a595d54e..f9e45303498 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -130,7 +130,6 @@ int drm_lock(struct inode *inode, struct file *filp, /* dev->driver->kernel_context_switch isn't used by any of the x86 * drivers but is used by the Sparc driver. */ - if (dev->driver->kernel_context_switch && dev->last_context != lock.context) { dev->driver->kernel_context_switch(dev, dev->last_context, diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index abef2acf99f..8074771e348 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -145,30 +145,22 @@ DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type) return drm_agp_allocate_memory(dev->agp->bridge, pages, type); } -EXPORT_SYMBOL(drm_alloc_agp); - /** Wrapper around agp_free_memory() */ int drm_free_agp(DRM_AGP_MEM * handle, int pages) { return drm_agp_free_memory(handle) ? 0 : -EINVAL; } -EXPORT_SYMBOL(drm_free_agp); - /** Wrapper around agp_bind_memory() */ int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start) { return drm_agp_bind_memory(handle, start); } -EXPORT_SYMBOL(drm_bind_agp); - /** Wrapper around agp_unbind_memory() */ int drm_unbind_agp(DRM_AGP_MEM * handle) { return drm_agp_unbind_memory(handle); } - -EXPORT_SYMBOL(drm_unbind_agp); #endif /* agp */ #endif /* debug_memory */ diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h index b370aca718d..e84605fc54a 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -1,5 +1,5 @@ /** - * \file drm_memory.h + * \file drm_memory_debug.h * Memory management wrappers for DRM. * * \author Rickard E. (Rik) Faith <faith@valinux.com> @@ -43,42 +43,41 @@ typedef struct drm_mem_stats { unsigned long bytes_freed; } drm_mem_stats_t; -static DEFINE_SPINLOCK(DRM(mem_lock)); -static unsigned long DRM(ram_available) = 0; /* In pages */ -static unsigned long DRM(ram_used) = 0; -static drm_mem_stats_t DRM(mem_stats)[] = +static spinlock_t drm_mem_lock = SPIN_LOCK_UNLOCKED; +static unsigned long drm_ram_available = 0; /* In pages */ +static unsigned long drm_ram_used = 0; +static drm_mem_stats_t drm_mem_stats[] = { - [DRM_MEM_DMA] = { - "dmabufs"},[DRM_MEM_SAREA] = { - "sareas"},[DRM_MEM_DRIVER] = { - "driver"},[DRM_MEM_MAGIC] = { - "magic"},[DRM_MEM_IOCTLS] = { - "ioctltab"},[DRM_MEM_MAPS] = { - "maplist"},[DRM_MEM_VMAS] = { - "vmalist"},[DRM_MEM_BUFS] = { - "buflist"},[DRM_MEM_SEGS] = { - "seglist"},[DRM_MEM_PAGES] = { - "pagelist"},[DRM_MEM_FILES] = { - "files"},[DRM_MEM_QUEUES] = { - "queues"},[DRM_MEM_CMDS] = { - "commands"},[DRM_MEM_MAPPINGS] = { - "mappings"},[DRM_MEM_BUFLISTS] = { - "buflists"},[DRM_MEM_AGPLISTS] = { - "agplist"},[DRM_MEM_SGLISTS] = { - "sglist"},[DRM_MEM_TOTALAGP] = { - "totalagp"},[DRM_MEM_BOUNDAGP] = { - "boundagp"},[DRM_MEM_CTXBITMAP] = { - "ctxbitmap"},[DRM_MEM_CTXLIST] = { - "ctxlist"},[DRM_MEM_STUB] = { - "stub"}, { - NULL, 0,} /* Last entry must be null */ + [DRM_MEM_DMA] = {"dmabufs"}, + [DRM_MEM_SAREA] = {"sareas"}, + [DRM_MEM_DRIVER] = {"driver"}, + [DRM_MEM_MAGIC] = {"magic"}, + [DRM_MEM_IOCTLS] = {"ioctltab"}, + [DRM_MEM_MAPS] = {"maplist"}, + [DRM_MEM_VMAS] = {"vmalist"}, + [DRM_MEM_BUFS] = {"buflist"}, + [DRM_MEM_SEGS] = {"seglist"}, + [DRM_MEM_PAGES] = {"pagelist"}, + [DRM_MEM_FILES] = {"files"}, + [DRM_MEM_QUEUES] = {"queues"}, + [DRM_MEM_CMDS] = {"commands"}, + [DRM_MEM_MAPPINGS] = {"mappings"}, + [DRM_MEM_BUFLISTS] = {"buflists"}, + [DRM_MEM_AGPLISTS] = {"agplist"}, + [DRM_MEM_SGLISTS] = {"sglist"}, + [DRM_MEM_TOTALAGP] = {"totalagp"}, + [DRM_MEM_BOUNDAGP] = {"boundagp"}, + [DRM_MEM_CTXBITMAP] = {"ctxbitmap"}, + [DRM_MEM_CTXLIST] = {"ctxlist"}, + [DRM_MEM_STUB] = {"stub"}, + {NULL, 0,} /* Last entry must be null */ }; -void DRM(mem_init) (void) { +void drm_mem_init (void) { drm_mem_stats_t *mem; struct sysinfo si; - for (mem = DRM(mem_stats); mem->name; ++mem) { + for (mem = drm_mem_stats; mem->name; ++mem) { mem->succeed_count = 0; mem->free_count = 0; mem->fail_count = 0; @@ -87,13 +86,13 @@ void DRM(mem_init) (void) { } si_meminfo(&si); - DRM(ram_available) = si.totalram; - DRM(ram_used) = 0; + drm_ram_available = si.totalram; + drm_ram_used = 0; } /* drm_mem_info is called whenever a process reads /dev/drm/mem. */ -static int DRM(_mem_info) (char *buf, char **start, off_t offset, +static int drm__mem_info (char *buf, char **start, off_t offset, int request, int *eof, void *data) { drm_mem_stats_t *pt; int len = 0; @@ -112,11 +111,11 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset, " | allocs bytes\n\n"); DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", "system", 0, 0, 0, - DRM(ram_available) << (PAGE_SHIFT - 10)); + drm_ram_available << (PAGE_SHIFT - 10)); DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", - "locked", 0, 0, 0, DRM(ram_used) >> 10); + "locked", 0, 0, 0, drm_ram_used >> 10); DRM_PROC_PRINT("\n"); - for (pt = DRM(mem_stats); pt->name; pt++) { + for (pt = drm_mem_stats; pt->name; pt++) { DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", pt->name, pt->succeed_count, @@ -135,17 +134,17 @@ static int DRM(_mem_info) (char *buf, char **start, off_t offset, return len - offset; } -int DRM(mem_info) (char *buf, char **start, off_t offset, +int drm_mem_info (char *buf, char **start, off_t offset, int len, int *eof, void *data) { int ret; - spin_lock(&DRM(mem_lock)); - ret = DRM(_mem_info) (buf, start, offset, len, eof, data); - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ret = drm__mem_info (buf, start, offset, len, eof, data); + spin_unlock(&drm_mem_lock); return ret; } -void *DRM(alloc) (size_t size, int area) { +void *drm_alloc (size_t size, int area) { void *pt; if (!size) { @@ -154,41 +153,41 @@ void *DRM(alloc) (size_t size, int area) { } if (!(pt = kmalloc(size, GFP_KERNEL))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); return NULL; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += size; + spin_unlock(&drm_mem_lock); return pt; } -void *DRM(calloc) (size_t nmemb, size_t size, int area) { +void *drm_calloc (size_t nmemb, size_t size, int area) { void *addr; - addr = DRM(alloc) (nmemb * size, area); + addr = drm_alloc (nmemb * size, area); if (addr != NULL) memset((void *)addr, 0, size * nmemb); return addr; } -void *DRM(realloc) (void *oldpt, size_t oldsize, size_t size, int area) { +void *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) { void *pt; - if (!(pt = DRM(alloc) (size, area))) + if (!(pt = drm_alloc (size, area))) return NULL; if (oldpt && oldsize) { memcpy(pt, oldpt, oldsize); - DRM(free) (oldpt, oldsize, area); + drm_free (oldpt, oldsize, area); } return pt; } -void DRM(free) (void *pt, size_t size, int area) { +void drm_free (void *pt, size_t size, int area) { int alloc_count; int free_count; @@ -196,43 +195,43 @@ void DRM(free) (void *pt, size_t size, int area) { DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); else kfree(pt); - spin_lock(&DRM(mem_lock)); - DRM(mem_stats)[area].bytes_freed += size; - free_count = ++DRM(mem_stats)[area].free_count; - alloc_count = DRM(mem_stats)[area].succeed_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + drm_mem_stats[area].bytes_freed += size; + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + spin_unlock(&drm_mem_lock); if (free_count > alloc_count) { DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", free_count, alloc_count); } } -unsigned long DRM(alloc_pages) (int order, int area) { +unsigned long drm_alloc_pages (int order, int area) { unsigned long address; unsigned long bytes = PAGE_SIZE << order; unsigned long addr; unsigned int sz; - spin_lock(&DRM(mem_lock)); - if ((DRM(ram_used) >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) { - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + if ((drm_ram_used >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * drm_ram_available) / 100) { + spin_unlock(&drm_mem_lock); return 0; } - spin_unlock(&DRM(mem_lock)); + spin_unlock(&drm_mem_lock); address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); if (!address) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); return 0; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_allocated += bytes; - DRM(ram_used) += bytes; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += bytes; + drm_ram_used += bytes; + spin_unlock(&drm_mem_lock); /* Zero outside the lock */ memset((void *)address, 0, bytes); @@ -246,7 +245,7 @@ unsigned long DRM(alloc_pages) (int order, int area) { return address; } -void DRM(free_pages) (unsigned long address, int order, int area) { +void drm_free_pages (unsigned long address, int order, int area) { unsigned long bytes = PAGE_SIZE << order; int alloc_count; int free_count; @@ -264,12 +263,12 @@ void DRM(free_pages) (unsigned long address, int order, int area) { free_pages(address, order); } - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[area].free_count; - alloc_count = DRM(mem_stats)[area].succeed_count; - DRM(mem_stats)[area].bytes_freed += bytes; - DRM(ram_used) -= bytes; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_freed += bytes; + drm_ram_used -= bytes; + spin_unlock(&drm_mem_lock); if (free_count > alloc_count) { DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", @@ -277,7 +276,7 @@ void DRM(free_pages) (unsigned long address, int order, int area) { } } -void *DRM(ioremap) (unsigned long offset, unsigned long size, +void *drm_ioremap (unsigned long offset, unsigned long size, drm_device_t * dev) { void *pt; @@ -288,19 +287,19 @@ void *DRM(ioremap) (unsigned long offset, unsigned long size, } if (!(pt = drm_ioremap(offset, size, dev))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&drm_mem_lock); return NULL; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&drm_mem_lock); return pt; } -void *DRM(ioremap_nocache) (unsigned long offset, unsigned long size, +void *drm_ioremap_nocache (unsigned long offset, unsigned long size, drm_device_t * dev) { void *pt; @@ -311,19 +310,19 @@ void *DRM(ioremap_nocache) (unsigned long offset, unsigned long size, } if (!(pt = drm_ioremap_nocache(offset, size, dev))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&drm_mem_lock); return NULL; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&drm_mem_lock); return pt; } -void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) { +void drm_ioremapfree (void *pt, unsigned long size, drm_device_t * dev) { int alloc_count; int free_count; @@ -333,11 +332,11 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) { else drm_ioremapfree(pt, size, dev); - spin_lock(&DRM(mem_lock)); - DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size; - free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; + alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&drm_mem_lock); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Excess frees: %d frees, %d allocs\n", @@ -347,7 +346,7 @@ void DRM(ioremapfree) (void *pt, unsigned long size, drm_device_t * dev) { #if __OS_HAS_AGP -DRM_AGP_MEM *DRM(alloc_agp) (int pages, u32 type) { +DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) { DRM_AGP_MEM *handle; if (!pages) { @@ -355,21 +354,21 @@ DRM_AGP_MEM *DRM(alloc_agp) (int pages, u32 type) { return NULL; } - if ((handle = DRM(agp_allocate_memory) (pages, type))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated + if ((handle = drm_agp_allocate_memory (pages, type))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated += pages << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); + spin_unlock(&drm_mem_lock); return handle; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&drm_mem_lock); return NULL; } -int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) { +int drm_free_agp (DRM_AGP_MEM * handle, int pages) { int alloc_count; int free_count; int retval = -EINVAL; @@ -380,13 +379,13 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) { return retval; } - if (DRM(agp_free_memory) (handle)) { - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed + if (drm_agp_free_memory (handle)) { + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed += pages << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); + spin_unlock(&drm_mem_lock); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Excess frees: %d frees, %d allocs\n", @@ -397,7 +396,7 @@ int DRM(free_agp) (DRM_AGP_MEM * handle, int pages) { return retval; } -int DRM(bind_agp) (DRM_AGP_MEM * handle, unsigned int start) { +int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) { int retcode = -EINVAL; if (!handle) { @@ -406,21 +405,21 @@ int DRM(bind_agp) (DRM_AGP_MEM * handle, unsigned int start) { return retcode; } - if (!(retcode = DRM(agp_bind_memory) (handle, start))) { - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated + if (!(retcode = drm_agp_bind_memory (handle, start))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated += handle->page_count << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); + spin_unlock(&drm_mem_lock); return retcode; } - spin_lock(&DRM(mem_lock)); - ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count; - spin_unlock(&DRM(mem_lock)); + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&drm_mem_lock); return retcode; } -int DRM(unbind_agp) (DRM_AGP_MEM * handle) { +int drm_unbind_agp (DRM_AGP_MEM * handle) { int alloc_count; int free_count; int retcode = -EINVAL; @@ -431,14 +430,14 @@ int DRM(unbind_agp) (DRM_AGP_MEM * handle) { return retcode; } - if ((retcode = DRM(agp_unbind_memory) (handle))) + if ((retcode = drm_agp_unbind_memory (handle))) return retcode; - spin_lock(&DRM(mem_lock)); - free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count; - alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; - DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed += handle->page_count << PAGE_SHIFT; - spin_unlock(&DRM(mem_lock)); + spin_unlock(&drm_mem_lock); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, "Excess frees: %d frees, %d allocs\n", diff --git a/drivers/char/drm/drm_os_linux.h b/drivers/char/drm/drm_os_linux.h index d51aeb4966f..695115d7038 100644 --- a/drivers/char/drm/drm_os_linux.h +++ b/drivers/char/drm/drm_os_linux.h @@ -13,6 +13,7 @@ #define DRM_ERR(d) -(d) /** Current process ID */ #define DRM_CURRENTPID current->pid +#define DRM_SUSER(p) capable(CAP_SYS_ADMIN) #define DRM_UDELAY(d) udelay(d) /** Read a byte from a MMIO region */ #define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset)) diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index d66dc55e29a..5b1d3a04458 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -46,6 +46,7 @@ {0x1002, 0x4E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E51, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E56, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x5144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5145, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ @@ -69,6 +70,7 @@ {0x1002, 0x516B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x516C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ {0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ {0x1002, 0x5836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ @@ -82,10 +84,13 @@ {0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ {0x1002, 0x596A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x596B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5b60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x5c61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ {0x1002, 0x5c62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5c63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ {0x1002, 0x5c64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ {0, 0, 0} #define r128_PCI_IDS \ @@ -176,7 +181,7 @@ #define viadrv_PCI_IDS \ {0x1106, 0x3022, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ - {0x1106, 0x3118, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3118, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VIA_PRO_GROUP_A}, \ {0x1106, 0x3122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x1106, 0x3108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ @@ -196,6 +201,10 @@ {0x8086, 0x2572, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0, 0, 0} +#define gamma_PCI_IDS \ + {0x3d3d, 0x0008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + #define savage_PCI_IDS \ {0x5333, 0x8a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, S3_SAVAGE3D}, \ {0x5333, 0x8a21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, S3_SAVAGE3D}, \ @@ -234,3 +243,4 @@ {0x8086, 0x2592, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0x8086, 0x2772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ {0, 0, 0} + diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 3f452f763f0..6f943e3309e 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -61,16 +61,14 @@ static struct drm_proc_list { const char *name; /**< file name */ int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/ } drm_proc_list[] = { - { - "name", drm_name_info}, { - "mem", drm_mem_info}, { - "vm", drm_vm_info}, { - "clients", drm_clients_info}, { - "queues", drm_queues_info}, { - "bufs", drm_bufs_info}, + {"name", drm_name_info}, + {"mem", drm_mem_info}, + {"vm", drm_vm_info}, + {"clients", drm_clients_info}, + {"queues", drm_queues_info}, + {"bufs", drm_bufs_info}, #if DRM_DEBUG_CODE - { - "vma", drm_vma_info}, + {"vma", drm_vma_info}, #endif }; diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 60b6f8e8bf6..42d766359ca 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c @@ -93,8 +93,8 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, dev->driver = driver; - if (dev->driver->preinit) - if ((retcode = dev->driver->preinit(dev, ent->driver_data))) + if (dev->driver->load) + if ((retcode = dev->driver->load(dev, ent->driver_data))) goto error_out_unreg; if (drm_core_has_AGP(dev)) { @@ -124,47 +124,10 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, return 0; error_out_unreg: - drm_takedown(dev); + drm_lastclose(dev); return retcode; } -/** - * File \c open operation. - * - * \param inode device inode. - * \param filp file pointer. - * - * Puts the dev->fops corresponding to the device minor number into - * \p filp, call the \c open method, and restore the file operations. - */ -int drm_stub_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = NULL; - int minor = iminor(inode); - int err = -ENODEV; - struct file_operations *old_fops; - - DRM_DEBUG("\n"); - - if (!((minor >= 0) && (minor < drm_cards_limit))) - return -ENODEV; - - if (!drm_heads[minor]) - return -ENODEV; - - if (!(dev = drm_heads[minor]->dev)) - return -ENODEV; - - old_fops = filp->f_op; - filp->f_op = fops_get(&dev->driver->fops); - if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { - fops_put(filp->f_op); - filp->f_op = fops_get(old_fops); - } - fops_put(old_fops); - - return err; -} /** * Get a secondary minor number. @@ -200,11 +163,7 @@ static int drm_get_head(drm_device_t * dev, drm_head_t * head) goto err_g1; } - head->dev_class = drm_sysfs_device_add(drm_class, - MKDEV(DRM_MAJOR, - minor), - &dev->pdev->dev, - "card%d", minor); + head->dev_class = drm_sysfs_device_add(drm_class, head); if (IS_ERR(head->dev_class)) { printk(KERN_ERR "DRM: Error sysfs_device_add.\n"); @@ -258,11 +217,10 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, } if ((ret = drm_get_head(dev, &dev->primary))) goto err_g1; - - /* postinit is a required function to display the signon banner */ - /* drivers add secondary heads here if needed */ - if ((ret = dev->driver->postinit(dev, ent->driver_data))) - goto err_g1; + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", + driver->name, driver->major, driver->minor, driver->patchlevel, + driver->date, dev->primary.minor); return 0; @@ -318,10 +276,9 @@ int drm_put_head(drm_head_t * head) DRM_DEBUG("release secondary minor %d\n", minor); drm_proc_cleanup(minor, drm_proc_root, head->dev_root); - drm_sysfs_device_remove(MKDEV(DRM_MAJOR, head->minor)); + drm_sysfs_device_remove(head->dev_class); - *head = (drm_head_t) { - .dev = NULL}; + *head = (drm_head_t) {.dev = NULL}; drm_heads[minor] = NULL; diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c index 6d344976191..68e43ddc16a 100644 --- a/drivers/char/drm/drm_sysfs.c +++ b/drivers/char/drm/drm_sysfs.c @@ -15,8 +15,6 @@ #include <linux/device.h> #include <linux/kdev_t.h> #include <linux/err.h> -#include <linux/slab.h> -#include <linux/string.h> #include "drm_core.h" #include "drmP.h" @@ -28,15 +26,11 @@ struct drm_sysfs_class { #define to_drm_sysfs_class(d) container_of(d, struct drm_sysfs_class, class) struct simple_dev { - struct list_head node; dev_t dev; struct class_device class_dev; }; #define to_simple_dev(d) container_of(d, struct simple_dev, class_dev) -static LIST_HEAD(simple_dev_list); -static DEFINE_SPINLOCK(simple_dev_list_lock); - static void release_simple_dev(struct class_device *class_dev) { struct simple_dev *s_dev = to_simple_dev(class_dev); @@ -124,6 +118,18 @@ void drm_sysfs_destroy(struct drm_sysfs_class *cs) class_unregister(&cs->class); } +static ssize_t show_dri(struct class_device *class_device, char *buf) +{ + drm_device_t * dev = ((drm_head_t *)class_get_devdata(class_device))->dev; + if (dev->driver->dri_library_name) + return dev->driver->dri_library_name(dev, buf); + return snprintf(buf, PAGE_SIZE, "%s\n", dev->driver->pci_driver.name); +} + +static struct class_device_attribute class_device_attrs[] = { + __ATTR(dri_library_name, S_IRUGO, show_dri, NULL), +}; + /** * drm_sysfs_device_add - adds a class device to sysfs for a character driver * @cs: pointer to the struct drm_sysfs_class that this device should be registered to. @@ -138,13 +144,11 @@ void drm_sysfs_destroy(struct drm_sysfs_class *cs) * Note: the struct drm_sysfs_class passed to this function must have previously been * created with a call to drm_sysfs_create(). */ -struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, dev_t dev, - struct device *device, - const char *fmt, ...) +struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, + drm_head_t *head) { - va_list args; struct simple_dev *s_dev = NULL; - int retval; + int i, retval; if ((cs == NULL) || (IS_ERR(cs))) { retval = -ENODEV; @@ -158,26 +162,23 @@ struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, dev_t dev, } memset(s_dev, 0x00, sizeof(*s_dev)); - s_dev->dev = dev; - s_dev->class_dev.dev = device; + s_dev->dev = MKDEV(DRM_MAJOR, head->minor); + s_dev->class_dev.dev = &(head->dev->pdev)->dev; s_dev->class_dev.class = &cs->class; - va_start(args, fmt); - vsnprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, fmt, args); - va_end(args); + snprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, "card%d", head->minor); retval = class_device_register(&s_dev->class_dev); if (retval) goto error; class_device_create_file(&s_dev->class_dev, &cs->attr); + class_set_devdata(&s_dev->class_dev, head); - spin_lock(&simple_dev_list_lock); - list_add(&s_dev->node, &simple_dev_list); - spin_unlock(&simple_dev_list_lock); - + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) + class_device_create_file(&s_dev->class_dev, &class_device_attrs[i]); return &s_dev->class_dev; - error: +error: kfree(s_dev); return ERR_PTR(retval); } @@ -189,23 +190,12 @@ struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, dev_t dev, * This call unregisters and cleans up a class device that was created with a * call to drm_sysfs_device_add() */ -void drm_sysfs_device_remove(dev_t dev) +void drm_sysfs_device_remove(struct class_device *class_dev) { - struct simple_dev *s_dev = NULL; - int found = 0; - - spin_lock(&simple_dev_list_lock); - list_for_each_entry(s_dev, &simple_dev_list, node) { - if (s_dev->dev == dev) { - found = 1; - break; - } - } - if (found) { - list_del(&s_dev->node); - spin_unlock(&simple_dev_list_lock); - class_device_unregister(&s_dev->class_dev); - } else { - spin_unlock(&simple_dev_list_lock); - } + struct simple_dev *s_dev = to_simple_dev(class_dev); + int i; + + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) + class_device_remove_file(&s_dev->class_dev, &class_device_attrs[i]); + class_device_unregister(&s_dev->class_dev); } diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index dba502373da..cc1b8908687 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -114,7 +114,6 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) static struct file_operations i810_buffer_fops = { .open = drm_open, - .flush = drm_flush, .release = drm_release, .ioctl = drm_ioctl, .mmap = i810_mmap_buffers, @@ -1319,12 +1318,24 @@ static int i810_flip_bufs(struct inode *inode, struct file *filp, return 0; } -void i810_driver_pretakedown(drm_device_t * dev) +int i810_driver_load(drm_device_t *dev, unsigned long flags) +{ + /* i810 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + return 0; +} + +void i810_driver_lastclose(drm_device_t * dev) { i810_dma_cleanup(dev); } -void i810_driver_prerelease(drm_device_t * dev, DRMFILE filp) +void i810_driver_preclose(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_i810_private_t *dev_priv = dev->dev_private; @@ -1334,7 +1345,7 @@ void i810_driver_prerelease(drm_device_t * dev, DRMFILE filp) } } -void i810_driver_release(drm_device_t * dev, struct file *filp) +void i810_driver_reclaim_buffers_locked(drm_device_t * dev, struct file *filp) { i810_reclaim_buffers(dev, filp); } @@ -1346,21 +1357,21 @@ int i810_driver_dma_quiescent(drm_device_t * dev) } drm_ioctl_desc_t i810_ioctls[] = { - [DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, 1, 1}, - [DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, 1, 1}, - [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, 1, 0}, - [DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, 1, 0} + [DRM_IOCTL_NR(DRM_I810_INIT)] = {i810_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I810_VERTEX)] = {i810_dma_vertex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_CLEAR)] = {i810_clear_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_FLUSH)] = {i810_flush_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_GETAGE)] = {i810_getage, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_GETBUF)] = {i810_getbuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_SWAP)] = {i810_swap_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_COPY)] = {i810_copybuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = {i810_docopy, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = {i810_ov0_info, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = {i810_fstatus, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = {i810_ov0_flip, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_MC)] = {i810_dma_mc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = {i810_rstatus, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I810_FLIP)] = {i810_flip_bufs, DRM_AUTH} }; int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); diff --git a/drivers/char/drm/i810_drv.c b/drivers/char/drm/i810_drv.c index 070cef6c2b4..dfe6ad2b6a6 100644 --- a/drivers/char/drm/i810_drv.c +++ b/drivers/char/drm/i810_drv.c @@ -38,38 +38,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - /* i810 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { i810_PCI_IDS }; @@ -79,16 +47,14 @@ static struct drm_driver driver = { DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, .dev_priv_size = sizeof(drm_i810_buf_priv_t), - .pretakedown = i810_driver_pretakedown, - .prerelease = i810_driver_prerelease, + .load = i810_driver_load, + .lastclose = i810_driver_lastclose, + .preclose = i810_driver_preclose, .device_is_agp = i810_driver_device_is_agp, - .release = i810_driver_release, + .reclaim_buffers_locked = i810_driver_reclaim_buffers_locked, .dma_quiescent = i810_driver_dma_quiescent, - .reclaim_buffers = i810_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = i810_ioctls, .fops = { .owner = THIS_MODULE, @@ -98,13 +64,19 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - } - , + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } - , + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init i810_init(void) diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h index c78f36aaa2f..a18b80d9192 100644 --- a/drivers/char/drm/i810_drv.h +++ b/drivers/char/drm/i810_drv.h @@ -116,9 +116,13 @@ typedef struct drm_i810_private { extern void i810_reclaim_buffers(drm_device_t * dev, struct file *filp); extern int i810_driver_dma_quiescent(drm_device_t * dev); -extern void i810_driver_release(drm_device_t * dev, struct file *filp); -extern void i810_driver_pretakedown(drm_device_t * dev); -extern void i810_driver_prerelease(drm_device_t * dev, DRMFILE filp); +extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev, + struct file *filp); +extern int i810_driver_load(struct drm_device *, unsigned long flags); +extern void i810_driver_lastclose(drm_device_t * dev); +extern void i810_driver_preclose(drm_device_t * dev, DRMFILE filp); +extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev, + struct file *filp); extern int i810_driver_device_is_agp(drm_device_t * dev); extern drm_ioctl_desc_t i810_ioctls[]; diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c index dc94f191442..4fea32aed6d 100644 --- a/drivers/char/drm/i830_dma.c +++ b/drivers/char/drm/i830_dma.c @@ -116,7 +116,6 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) static struct file_operations i830_buffer_fops = { .open = drm_open, - .flush = drm_flush, .release = drm_release, .ioctl = drm_ioctl, .mmap = i830_mmap_buffers, @@ -1517,12 +1516,24 @@ static int i830_setparam(struct inode *inode, struct file *filp, return 0; } -void i830_driver_pretakedown(drm_device_t * dev) +int i830_driver_load(drm_device_t *dev, unsigned long flags) +{ + /* i830 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + return 0; +} + +void i830_driver_lastclose(drm_device_t * dev) { i830_dma_cleanup(dev); } -void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp) +void i830_driver_preclose(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_i830_private_t *dev_priv = dev->dev_private; @@ -1532,7 +1543,7 @@ void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp) } } -void i830_driver_release(drm_device_t * dev, struct file *filp) +void i830_driver_reclaim_buffers_locked(drm_device_t * dev, struct file *filp) { i830_reclaim_buffers(dev, filp); } @@ -1544,20 +1555,20 @@ int i830_driver_dma_quiescent(drm_device_t * dev) } drm_ioctl_desc_t i830_ioctls[] = { - [DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, 1, 1}, - [DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, 1, 0}, - [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, 1, 0} + [DRM_IOCTL_NR(DRM_I830_INIT)] = {i830_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I830_VERTEX)] = {i830_dma_vertex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_CLEAR)] = {i830_clear_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_FLUSH)] = {i830_flush_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_GETAGE)] = {i830_getage, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_GETBUF)] = {i830_getbuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_SWAP)] = {i830_swap_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_COPY)] = {i830_copybuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = {i830_docopy, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_FLIP)] = {i830_flip_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = {i830_irq_emit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = {i830_irq_wait, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = {i830_getparam, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = {i830_setparam, DRM_AUTH} }; int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); diff --git a/drivers/char/drm/i830_drv.c b/drivers/char/drm/i830_drv.c index acd821e8fe4..722658188f5 100644 --- a/drivers/char/drm/i830_drv.c +++ b/drivers/char/drm/i830_drv.c @@ -40,37 +40,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { i830_PCI_IDS }; @@ -83,12 +52,12 @@ static struct drm_driver driver = { .driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ, #endif .dev_priv_size = sizeof(drm_i830_buf_priv_t), - .pretakedown = i830_driver_pretakedown, - .prerelease = i830_driver_prerelease, + .load = i830_driver_load, + .lastclose = i830_driver_lastclose, + .preclose = i830_driver_preclose, .device_is_agp = i830_driver_device_is_agp, - .release = i830_driver_release, + .reclaim_buffers_locked = i830_driver_reclaim_buffers_locked, .dma_quiescent = i830_driver_dma_quiescent, - .reclaim_buffers = i830_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, #if USE_IRQS @@ -97,8 +66,6 @@ static struct drm_driver driver = { .irq_uninstall = i830_driver_irq_uninstall, .irq_handler = i830_driver_irq_handler, #endif - .postinit = postinit, - .version = version, .ioctls = i830_ioctls, .fops = { .owner = THIS_MODULE, @@ -108,13 +75,19 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - } - , + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init i830_init(void) diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h index bc4bd49fb0c..bf9075b576b 100644 --- a/drivers/char/drm/i830_drv.h +++ b/drivers/char/drm/i830_drv.h @@ -136,10 +136,12 @@ extern irqreturn_t i830_driver_irq_handler(DRM_IRQ_ARGS); extern void i830_driver_irq_preinstall(drm_device_t * dev); extern void i830_driver_irq_postinstall(drm_device_t * dev); extern void i830_driver_irq_uninstall(drm_device_t * dev); -extern void i830_driver_pretakedown(drm_device_t * dev); -extern void i830_driver_release(drm_device_t * dev, struct file *filp); +extern int i830_driver_load(struct drm_device *, unsigned long flags); +extern void i830_driver_preclose(drm_device_t * dev, DRMFILE filp); +extern void i830_driver_lastclose(drm_device_t * dev); +extern void i830_driver_reclaim_buffers_locked(drm_device_t * dev, + struct file *filp); extern int i830_driver_dma_quiescent(drm_device_t * dev); -extern void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp); extern int i830_driver_device_is_agp(drm_device_t * dev); #define I830_READ(reg) DRM_READ32(dev_priv->mmio_map, reg) diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index f3aa0c37012..9140703da1b 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -1,7 +1,6 @@ /* i915_dma.c -- DMA support for the I915 -*- linux-c -*- */ -/************************************************************************** - * +/* * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -25,7 +24,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #include "drmP.h" #include "drm.h" @@ -196,7 +195,7 @@ static int i915_initialize(drm_device_t * dev, return 0; } -static int i915_resume(drm_device_t * dev) +static int i915_dma_resume(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; @@ -253,7 +252,7 @@ static int i915_dma_init(DRM_IOCTL_ARGS) retcode = i915_dma_cleanup(dev); break; case I915_RESUME_DMA: - retcode = i915_resume(dev); + retcode = i915_dma_resume(dev); break; default: retcode = -EINVAL; @@ -654,6 +653,9 @@ static int i915_getparam(DRM_IOCTL_ARGS) case I915_PARAM_ALLOW_BATCHBUFFER: value = dev_priv->allow_batchbuffer ? 1 : 0; break; + case I915_PARAM_LAST_DISPATCH: + value = READ_BREADCRUMB(dev_priv); + break; default: DRM_ERROR("Unkown parameter %d\n", param.param); return DRM_ERR(EINVAL); @@ -699,7 +701,19 @@ static int i915_setparam(DRM_IOCTL_ARGS) return 0; } -void i915_driver_pretakedown(drm_device_t * dev) +int i915_driver_load(drm_device_t *dev, unsigned long flags) +{ + /* i915 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + return 0; +} + +void i915_driver_lastclose(drm_device_t * dev) { if (dev->dev_private) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -708,7 +722,7 @@ void i915_driver_pretakedown(drm_device_t * dev) i915_dma_cleanup(dev); } -void i915_driver_prerelease(drm_device_t * dev, DRMFILE filp) +void i915_driver_preclose(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -717,18 +731,18 @@ void i915_driver_prerelease(drm_device_t * dev, DRMFILE filp) } drm_ioctl_desc_t i915_ioctls[] = { - [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, 1, 1}, - [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, 1, 1}, - [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, 1, 0}, - [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, 1, 1}, - [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, 1, 0} + [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH} }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 23e027d2908..77412ddac00 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -1,5 +1,4 @@ -/************************************************************************** - * +/* * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -23,7 +22,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #ifndef _I915_DRM_H_ #define _I915_DRM_H_ @@ -152,6 +151,7 @@ typedef struct drm_i915_irq_wait { */ #define I915_PARAM_IRQ_ACTIVE 1 #define I915_PARAM_ALLOW_BATCHBUFFER 2 +#define I915_PARAM_LAST_DISPATCH 3 typedef struct drm_i915_getparam { int param; diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 0508240f4e3..8e2e6095c4b 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -1,6 +1,6 @@ /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- */ -/************************************************************************** +/* * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. @@ -25,7 +25,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #include "drmP.h" #include "drm.h" @@ -34,48 +34,22 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { i915_PCI_IDS }; static struct drm_driver driver = { + /* don't use mtrr's here, the Xserver or user space app should + * deal with them for intel hardware. + */ .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | - DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, - .pretakedown = i915_driver_pretakedown, - .prerelease = i915_driver_prerelease, + DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .load = i915_driver_load, + .lastclose = i915_driver_lastclose, + .preclose = i915_driver_preclose, .device_is_agp = i915_driver_device_is_agp, + .vblank_wait = i915_driver_vblank_wait, .irq_preinstall = i915_driver_irq_preinstall, .irq_postinstall = i915_driver_irq_postinstall, .irq_uninstall = i915_driver_irq_uninstall, @@ -83,8 +57,6 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = i915_ioctls, .fops = { .owner = THIS_MODULE, @@ -97,11 +69,19 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = i915_compat_ioctl, #endif - }, + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init i915_init(void) diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 17e457c73dc..c6c71b45f10 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -1,6 +1,6 @@ /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- */ -/************************************************************************** +/* * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. @@ -25,7 +25,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #ifndef _I915_DRV_H_ #define _I915_DRV_H_ @@ -37,21 +37,18 @@ #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20040405" +#define DRIVER_DATE "20051209" /* Interface history: * * 1.1: Original. + * 1.2: Add Power Management + * 1.3: Add vblank support */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 1 +#define DRIVER_MINOR 3 #define DRIVER_PATCHLEVEL 0 -/* We use our own dma mechanisms, not the drm template code. However, - * the shared IRQ code is useful to us: - */ -#define __HAVE_PM 1 - typedef struct _drm_i915_ring_buffer { int tail_mask; unsigned long Start; @@ -97,6 +94,7 @@ typedef struct drm_i915_private { int tex_lru_log_granularity; int allow_batchbuffer; struct mem_block *agp_heap; + unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; } drm_i915_private_t; extern drm_ioctl_desc_t i915_ioctls[]; @@ -104,14 +102,18 @@ extern int i915_max_ioctl; /* i915_dma.c */ extern void i915_kernel_lost_context(drm_device_t * dev); -extern void i915_driver_pretakedown(drm_device_t * dev); -extern void i915_driver_prerelease(drm_device_t * dev, DRMFILE filp); +extern int i915_driver_load(struct drm_device *, unsigned long flags); +extern void i915_driver_lastclose(drm_device_t * dev); +extern void i915_driver_preclose(drm_device_t * dev, DRMFILE filp); extern int i915_driver_device_is_agp(drm_device_t * dev); +extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg); /* i915_irq.c */ extern int i915_irq_emit(DRM_IOCTL_ARGS); extern int i915_irq_wait(DRM_IOCTL_ARGS); +extern int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(drm_device_t * dev); extern void i915_driver_irq_postinstall(drm_device_t * dev); @@ -125,13 +127,10 @@ extern void i915_mem_takedown(struct mem_block **heap); extern void i915_mem_release(drm_device_t * dev, DRMFILE filp, struct mem_block *heap); -extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg); - -#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, reg) -#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val) -#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg) -#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val) +#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) +#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) +#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) +#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val)) #define I915_VERBOSE 0 @@ -195,6 +194,13 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); #define PPCR 0x61204 #define PPCR_ON (1<<0) +#define DVOB 0x61140 +#define DVOB_ON (1<<31) +#define DVOC 0x61160 +#define DVOC_ON (1<<31) +#define LVDS 0x61180 +#define LVDS_ON (1<<31) + #define ADPA 0x61100 #define ADPA_DPMS_MASK (~(3<<10)) #define ADPA_DPMS_ON (0<<10) @@ -258,4 +264,6 @@ extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); #define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) +#define READ_BREADCRUMB(dev_priv) (((u32 *)(dev_priv->hw_status_page))[5]) + #endif diff --git a/drivers/char/drm/i915_ioc32.c b/drivers/char/drm/i915_ioc32.c index 2218a946ec8..296248cdc76 100644 --- a/drivers/char/drm/i915_ioc32.c +++ b/drivers/char/drm/i915_ioc32.c @@ -30,7 +30,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index 4fa448ee846..a1381c61aa6 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -1,7 +1,6 @@ -/* i915_dma.c -- DMA support for the I915 -*- linux-c -*- +/* i915_irq.c -- IRQ support for the I915 -*- linux-c -*- */ -/************************************************************************** - * +/* * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -25,16 +24,18 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #include "drmP.h" #include "drm.h" #include "i915_drm.h" #include "i915_drv.h" -#define USER_INT_FLAG 0x2 +#define USER_INT_FLAG (1<<1) +#define VSYNC_PIPEB_FLAG (1<<5) +#define VSYNC_PIPEA_FLAG (1<<7) + #define MAX_NOPID ((u32)~0) -#define READ_BREADCRUMB(dev_priv) (((u32*)(dev_priv->hw_status_page))[5]) irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { @@ -43,7 +44,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) u16 temp; temp = I915_READ16(I915REG_INT_IDENTITY_R); - temp &= USER_INT_FLAG; + temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG); DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp); @@ -51,7 +52,15 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) return IRQ_NONE; I915_WRITE16(I915REG_INT_IDENTITY_R, temp); - DRM_WAKEUP(&dev_priv->irq_queue); + + if (temp & USER_INT_FLAG) + DRM_WAKEUP(&dev_priv->irq_queue); + + if (temp & VSYNC_PIPEA_FLAG) { + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); + drm_vbl_send_signals(dev); + } return IRQ_HANDLED; } @@ -102,6 +111,27 @@ static int i915_wait_irq(drm_device_t * dev, int irq_nr) return ret; } +int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + unsigned int cur_vblank; + int ret = 0; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, + (((cur_vblank = atomic_read(&dev->vbl_received)) + - *sequence) <= (1<<23))); + + *sequence = cur_vblank; + + return ret; +} + + /* Needs the lock as it touches the ring. */ int i915_irq_emit(DRM_IOCTL_ARGS) @@ -165,7 +195,7 @@ void i915_driver_irq_postinstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG); + I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | VSYNC_PIPEA_FLAG); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); } diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c index 13176d136a9..ba87ff17ff6 100644 --- a/drivers/char/drm/i915_mem.c +++ b/drivers/char/drm/i915_mem.c @@ -1,7 +1,6 @@ /* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*- */ -/************************************************************************** - * +/* * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * @@ -25,7 +24,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - **************************************************************************/ + */ #include "drmP.h" #include "drm.h" diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c index 70dc7f64b7b..c2a4bac1452 100644 --- a/drivers/char/drm/mga_dma.c +++ b/drivers/char/drm/mga_dma.c @@ -44,7 +44,9 @@ #define MGA_DEFAULT_USEC_TIMEOUT 10000 #define MGA_FREELIST_DEBUG 0 -static int mga_do_cleanup_dma(drm_device_t * dev); +#define MINIMAL_CLEANUP 0 +#define FULL_CLEANUP 1 +static int mga_do_cleanup_dma(drm_device_t *dev, int full_cleanup); /* ================================================================ * Engine control @@ -391,7 +393,7 @@ int mga_freelist_put(drm_device_t * dev, drm_buf_t * buf) * DMA initialization, cleanup */ -int mga_driver_preinit(drm_device_t * dev, unsigned long flags) +int mga_driver_load(drm_device_t * dev, unsigned long flags) { drm_mga_private_t *dev_priv; @@ -405,6 +407,14 @@ int mga_driver_preinit(drm_device_t * dev, unsigned long flags) dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; dev_priv->chipset = flags; + dev_priv->mmio_base = drm_get_resource_start(dev, 1); + dev_priv->mmio_size = drm_get_resource_len(dev, 1); + + dev->counters += 3; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + return 0; } @@ -438,17 +448,19 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, drm_buf_desc_t req; drm_agp_mode_t mode; drm_agp_info_t info; + drm_agp_buffer_t agp_req; + drm_agp_binding_t bind_req; /* Acquire AGP. */ err = drm_agp_acquire(dev); if (err) { - DRM_ERROR("Unable to acquire AGP\n"); + DRM_ERROR("Unable to acquire AGP: %d\n", err); return err; } err = drm_agp_info(dev, &info); if (err) { - DRM_ERROR("Unable to get AGP info\n"); + DRM_ERROR("Unable to get AGP info: %d\n", err); return err; } @@ -472,18 +484,24 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, } /* Allocate and bind AGP memory. */ - dev_priv->agp_pages = agp_size / PAGE_SIZE; - dev_priv->agp_mem = drm_alloc_agp(dev, dev_priv->agp_pages, 0); - if (dev_priv->agp_mem == NULL) { - dev_priv->agp_pages = 0; + agp_req.size = agp_size; + agp_req.type = 0; + err = drm_agp_alloc(dev, &agp_req); + if (err) { + dev_priv->agp_size = 0; DRM_ERROR("Unable to allocate %uMB AGP memory\n", dma_bs->agp_size); - return DRM_ERR(ENOMEM); + return err; } + + dev_priv->agp_size = agp_size; + dev_priv->agp_handle = agp_req.handle; - err = drm_bind_agp(dev_priv->agp_mem, 0); + bind_req.handle = agp_req.handle; + bind_req.offset = 0; + err = drm_agp_bind(dev, &bind_req); if (err) { - DRM_ERROR("Unable to bind AGP memory\n"); + DRM_ERROR("Unable to bind AGP memory: %d\n", err); return err; } @@ -497,7 +515,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, err = drm_addmap(dev, offset, warp_size, _DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp); if (err) { - DRM_ERROR("Unable to map WARP microcode\n"); + DRM_ERROR("Unable to map WARP microcode: %d\n", err); return err; } @@ -505,7 +523,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, err = drm_addmap(dev, offset, dma_bs->primary_size, _DRM_AGP, _DRM_READ_ONLY, &dev_priv->primary); if (err) { - DRM_ERROR("Unable to map primary DMA region\n"); + DRM_ERROR("Unable to map primary DMA region: %d\n", err); return err; } @@ -513,7 +531,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, err = drm_addmap(dev, offset, secondary_size, _DRM_AGP, 0, &dev->agp_buffer_map); if (err) { - DRM_ERROR("Unable to map secondary DMA region\n"); + DRM_ERROR("Unable to map secondary DMA region: %d\n", err); return err; } @@ -525,15 +543,29 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev, err = drm_addbufs_agp(dev, &req); if (err) { - DRM_ERROR("Unable to add secondary DMA buffers\n"); + DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err); return err; } + { + drm_map_list_t *_entry; + unsigned long agp_token = 0; + + list_for_each_entry(_entry, &dev->maplist->head, head) { + if (_entry->map == dev->agp_buffer_map) + agp_token = _entry->user_token; + } + if (!agp_token) + return -EFAULT; + + dev->agp_buffer_token = agp_token; + } + offset += secondary_size; err = drm_addmap(dev, offset, agp_size - offset, _DRM_AGP, 0, &dev_priv->agp_textures); if (err) { - DRM_ERROR("Unable to map AGP texture region\n"); + DRM_ERROR("Unable to map AGP texture region %d\n", err); return err; } @@ -603,7 +635,8 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT, _DRM_READ_ONLY, &dev_priv->warp); if (err != 0) { - DRM_ERROR("Unable to create mapping for WARP microcode\n"); + DRM_ERROR("Unable to create mapping for WARP microcode: %d\n", + err); return err; } @@ -622,7 +655,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, } if (err != 0) { - DRM_ERROR("Unable to allocate primary DMA region\n"); + DRM_ERROR("Unable to allocate primary DMA region: %d\n", err); return DRM_ERR(ENOMEM); } @@ -646,7 +679,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev, } if (bin_count == 0) { - DRM_ERROR("Unable to add secondary DMA buffers\n"); + DRM_ERROR("Unable to add secondary DMA buffers: %d\n", err); return err; } @@ -682,7 +715,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev, err = drm_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size, _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio); if (err) { - DRM_ERROR("Unable to map MMIO region\n"); + DRM_ERROR("Unable to map MMIO region: %d\n", err); return err; } @@ -690,7 +723,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev, _DRM_READ_ONLY | _DRM_LOCKED | _DRM_KERNEL, &dev_priv->status); if (err) { - DRM_ERROR("Unable to map status region\n"); + DRM_ERROR("Unable to map status region: %d\n", err); return err; } @@ -708,7 +741,7 @@ static int mga_do_dma_bootstrap(drm_device_t * dev, */ if (err) { - mga_do_cleanup_dma(dev); + mga_do_cleanup_dma(dev, MINIMAL_CLEANUP); } /* Not only do we want to try and initialized PCI cards for PCI DMA, @@ -731,35 +764,32 @@ int mga_dma_bootstrap(DRM_IOCTL_ARGS) DRM_DEVICE; drm_mga_dma_bootstrap_t bootstrap; int err; + static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; + const drm_mga_private_t *const dev_priv = + (drm_mga_private_t *) dev->dev_private; DRM_COPY_FROM_USER_IOCTL(bootstrap, (drm_mga_dma_bootstrap_t __user *) data, sizeof(bootstrap)); err = mga_do_dma_bootstrap(dev, &bootstrap); - if (!err) { - static const int modes[] = { 0, 1, 2, 2, 4, 4, 4, 4 }; - const drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - - if (dev_priv->agp_textures != NULL) { - bootstrap.texture_handle = - dev_priv->agp_textures->offset; - bootstrap.texture_size = dev_priv->agp_textures->size; - } else { - bootstrap.texture_handle = 0; - bootstrap.texture_size = 0; - } + if (err) { + mga_do_cleanup_dma(dev, FULL_CLEANUP); + return err; + } - bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07]; - if (DRM_COPY_TO_USER((void __user *)data, &bootstrap, - sizeof(bootstrap))) { - err = DRM_ERR(EFAULT); - } + if (dev_priv->agp_textures != NULL) { + bootstrap.texture_handle = dev_priv->agp_textures->offset; + bootstrap.texture_size = dev_priv->agp_textures->size; } else { - mga_do_cleanup_dma(dev); + bootstrap.texture_handle = 0; + bootstrap.texture_size = 0; } + bootstrap.agp_mode = modes[bootstrap.agp_mode & 0x07]; + DRM_COPY_TO_USER_IOCTL((drm_mga_dma_bootstrap_t __user *)data, + bootstrap, sizeof(bootstrap)); + return err; } @@ -853,13 +883,13 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) ret = mga_warp_install_microcode(dev_priv); if (ret < 0) { - DRM_ERROR("failed to install WARP ucode!\n"); + DRM_ERROR("failed to install WARP ucode!: %d\n", ret); return ret; } ret = mga_warp_init(dev_priv); if (ret < 0) { - DRM_ERROR("failed to init WARP engine!\n"); + DRM_ERROR("failed to init WARP engine!: %d\n", ret); return ret; } @@ -904,7 +934,7 @@ static int mga_do_init_dma(drm_device_t * dev, drm_mga_init_t * init) return 0; } -static int mga_do_cleanup_dma(drm_device_t * dev) +static int mga_do_cleanup_dma(drm_device_t *dev, int full_cleanup) { int err = 0; DRM_DEBUG("\n"); @@ -932,31 +962,39 @@ static int mga_do_cleanup_dma(drm_device_t * dev) if (dev_priv->used_new_dma_init) { #if __OS_HAS_AGP - if (dev_priv->agp_mem != NULL) { - dev_priv->agp_textures = NULL; - drm_unbind_agp(dev_priv->agp_mem); + if (dev_priv->agp_handle != 0) { + drm_agp_binding_t unbind_req; + drm_agp_buffer_t free_req; + + unbind_req.handle = dev_priv->agp_handle; + drm_agp_unbind(dev, &unbind_req); - drm_free_agp(dev_priv->agp_mem, - dev_priv->agp_pages); - dev_priv->agp_pages = 0; - dev_priv->agp_mem = NULL; + free_req.handle = dev_priv->agp_handle; + drm_agp_free(dev, &free_req); + + dev_priv->agp_textures = NULL; + dev_priv->agp_size = 0; + dev_priv->agp_handle = 0; } if ((dev->agp != NULL) && dev->agp->acquired) { err = drm_agp_release(dev); } #endif - dev_priv->used_new_dma_init = 0; } dev_priv->warp = NULL; dev_priv->primary = NULL; - dev_priv->mmio = NULL; - dev_priv->status = NULL; dev_priv->sarea = NULL; dev_priv->sarea_priv = NULL; dev->agp_buffer_map = NULL; + if (full_cleanup) { + dev_priv->mmio = NULL; + dev_priv->status = NULL; + dev_priv->used_new_dma_init = 0; + } + memset(&dev_priv->prim, 0, sizeof(dev_priv->prim)); dev_priv->warp_pipe = 0; memset(dev_priv->warp_pipe_phys, 0, @@ -967,7 +1005,7 @@ static int mga_do_cleanup_dma(drm_device_t * dev) } } - return err; + return 0; } int mga_dma_init(DRM_IOCTL_ARGS) @@ -985,11 +1023,11 @@ int mga_dma_init(DRM_IOCTL_ARGS) case MGA_INIT_DMA: err = mga_do_init_dma(dev, &init); if (err) { - (void)mga_do_cleanup_dma(dev); + (void)mga_do_cleanup_dma(dev, FULL_CLEANUP); } return err; case MGA_CLEANUP_DMA: - return mga_do_cleanup_dma(dev); + return mga_do_cleanup_dma(dev, FULL_CLEANUP); } return DRM_ERR(EINVAL); @@ -1118,7 +1156,7 @@ int mga_dma_buffers(DRM_IOCTL_ARGS) /** * Called just before the module is unloaded. */ -int mga_driver_postcleanup(drm_device_t * dev) +int mga_driver_unload(drm_device_t * dev) { drm_free(dev->dev_private, sizeof(drm_mga_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; @@ -1129,9 +1167,9 @@ int mga_driver_postcleanup(drm_device_t * dev) /** * Called when the last opener of the device is closed. */ -void mga_driver_pretakedown(drm_device_t * dev) +void mga_driver_lastclose(drm_device_t * dev) { - mga_do_cleanup_dma(dev); + mga_do_cleanup_dma(dev, FULL_CLEANUP); } int mga_driver_dma_quiescent(drm_device_t * dev) diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c index 1713451a5cc..9f7ed0e0351 100644 --- a/drivers/char/drm/mga_drv.c +++ b/drivers/char/drm/mga_drv.c @@ -38,41 +38,6 @@ #include "drm_pciids.h" static int mga_driver_device_is_agp(drm_device_t * dev); -static int postinit(struct drm_device *dev, unsigned long flags) -{ - drm_mga_private_t *const dev_priv = - (drm_mga_private_t *) dev->dev_private; - - dev_priv->mmio_base = pci_resource_start(dev->pdev, 1); - dev_priv->mmio_size = pci_resource_len(dev->pdev, 1); - - dev->counters += 3; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} static struct pci_device_id pciidlist[] = { mga_PCI_IDS @@ -80,12 +45,12 @@ static struct pci_device_id pciidlist[] = { static struct drm_driver driver = { .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | + DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, - .preinit = mga_driver_preinit, - .postcleanup = mga_driver_postcleanup, - .pretakedown = mga_driver_pretakedown, + .load = mga_driver_load, + .unload = mga_driver_unload, + .lastclose = mga_driver_lastclose, .dma_quiescent = mga_driver_dma_quiescent, .device_is_agp = mga_driver_device_is_agp, .vblank_wait = mga_driver_vblank_wait, @@ -96,8 +61,6 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = mga_ioctls, .dma_ioctl = mga_dma_buffers, .fops = { @@ -113,9 +76,16 @@ static struct drm_driver driver = { #endif }, .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init mga_init(void) diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h index 461728e6a58..6b0c5319350 100644 --- a/drivers/char/drm/mga_drv.h +++ b/drivers/char/drm/mga_drv.h @@ -38,11 +38,11 @@ #define DRIVER_NAME "mga" #define DRIVER_DESC "Matrox G200/G400" -#define DRIVER_DATE "20050607" +#define DRIVER_DATE "20051102" #define DRIVER_MAJOR 3 #define DRIVER_MINOR 2 -#define DRIVER_PATCHLEVEL 0 +#define DRIVER_PATCHLEVEL 1 typedef struct drm_mga_primary_buffer { u8 *start; @@ -144,22 +144,22 @@ typedef struct drm_mga_private { drm_local_map_t *primary; drm_local_map_t *agp_textures; - DRM_AGP_MEM *agp_mem; - unsigned int agp_pages; + unsigned long agp_handle; + unsigned int agp_size; } drm_mga_private_t; extern drm_ioctl_desc_t mga_ioctls[]; extern int mga_max_ioctl; /* mga_dma.c */ -extern int mga_driver_preinit(drm_device_t * dev, unsigned long flags); extern int mga_dma_bootstrap(DRM_IOCTL_ARGS); extern int mga_dma_init(DRM_IOCTL_ARGS); extern int mga_dma_flush(DRM_IOCTL_ARGS); extern int mga_dma_reset(DRM_IOCTL_ARGS); extern int mga_dma_buffers(DRM_IOCTL_ARGS); -extern int mga_driver_postcleanup(drm_device_t * dev); -extern void mga_driver_pretakedown(drm_device_t * dev); +extern int mga_driver_load(drm_device_t *dev, unsigned long flags); +extern int mga_driver_unload(drm_device_t * dev); +extern void mga_driver_lastclose(drm_device_t * dev); extern int mga_driver_dma_quiescent(drm_device_t * dev); extern int mga_do_wait_for_idle(drm_mga_private_t * dev_priv); diff --git a/drivers/char/drm/mga_ioc32.c b/drivers/char/drm/mga_ioc32.c index 24a9d4e86af..54a18eb2fc0 100644 --- a/drivers/char/drm/mga_ioc32.c +++ b/drivers/char/drm/mga_ioc32.c @@ -31,7 +31,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c index 47f54b5ae95..2837e669183 100644 --- a/drivers/char/drm/mga_state.c +++ b/drivers/char/drm/mga_state.c @@ -1127,19 +1127,19 @@ static int mga_wait_fence(DRM_IOCTL_ARGS) } drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_MGA_INIT)] = {mga_dma_init, 1, 1}, - [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = {mga_dma_flush, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_RESET)] = {mga_dma_reset, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_SWAP)] = {mga_dma_swap, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = {mga_dma_clear, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = {mga_dma_vertex, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_INDICES)] = {mga_dma_indices, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = {mga_dma_iload, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_BLIT)] = {mga_dma_blit, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_GETPARAM)] = {mga_getparam, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_SET_FENCE)] = {mga_set_fence, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_WAIT_FENCE)] = {mga_wait_fence, 1, 0}, - [DRM_IOCTL_NR(DRM_MGA_DMA_BOOTSTRAP)] = {mga_dma_bootstrap, 1, 1}, + [DRM_IOCTL_NR(DRM_MGA_INIT)] = {mga_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = {mga_dma_flush, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_RESET)] = {mga_dma_reset, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_SWAP)] = {mga_dma_swap, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = {mga_dma_clear, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = {mga_dma_vertex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_INDICES)] = {mga_dma_indices, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = {mga_dma_iload, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_BLIT)] = {mga_dma_blit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_GETPARAM)] = {mga_getparam, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_SET_FENCE)] = {mga_set_fence, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_WAIT_FENCE)] = {mga_wait_fence, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_MGA_DMA_BOOTSTRAP)] = {mga_dma_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, }; int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls); diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c index 7452753d4d0..db5a60450e6 100644 --- a/drivers/char/drm/r128_cce.c +++ b/drivers/char/drm/r128_cce.c @@ -1,6 +1,7 @@ -/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- +/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com - * + */ +/* * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. @@ -559,7 +560,8 @@ static int r128_do_init_cce(drm_device_t * dev, drm_r128_init_t * init) if (dev_priv->is_pci) { #endif dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; - dev_priv->gart_info.addr = dev_priv->gart_info.bus_addr = 0; + dev_priv->gart_info.addr = NULL; + dev_priv->gart_info.bus_addr = 0; dev_priv->gart_info.is_pcie = 0; if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) { DRM_ERROR("failed to init PCI GART!\n"); @@ -601,15 +603,16 @@ int r128_do_cleanup_cce(drm_device_t * dev) drm_core_ioremapfree(dev_priv->cce_ring, dev); if (dev_priv->ring_rptr != NULL) drm_core_ioremapfree(dev_priv->ring_rptr, dev); - if (dev->agp_buffer_map != NULL) + if (dev->agp_buffer_map != NULL) { drm_core_ioremapfree(dev->agp_buffer_map, dev); + dev->agp_buffer_map = NULL; + } } else #endif { if (dev_priv->gart_info.bus_addr) if (!drm_ati_pcigart_cleanup(dev, - &dev_priv-> - gart_info)) + &dev_priv->gart_info)) DRM_ERROR ("failed to cleanup PCI GART!\n"); } diff --git a/drivers/char/drm/r128_drm.h b/drivers/char/drm/r128_drm.h index 5ddc0320241..5d835b006f5 100644 --- a/drivers/char/drm/r128_drm.h +++ b/drivers/char/drm/r128_drm.h @@ -1,7 +1,7 @@ /* r128_drm.h -- Public header for the r128 driver -*- linux-c -*- * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com - * - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. + */ +/* Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * diff --git a/drivers/char/drm/r128_drv.c b/drivers/char/drm/r128_drv.c index 1661e735140..e20450ae220 100644 --- a/drivers/char/drm/r128_drv.c +++ b/drivers/char/drm/r128_drv.c @@ -37,31 +37,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { r128_PCI_IDS }; @@ -72,8 +47,8 @@ static struct drm_driver driver = { DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, .dev_priv_size = sizeof(drm_r128_buf_priv_t), - .prerelease = r128_driver_prerelease, - .pretakedown = r128_driver_pretakedown, + .preclose = r128_driver_preclose, + .lastclose = r128_driver_lastclose, .vblank_wait = r128_driver_vblank_wait, .irq_preinstall = r128_driver_irq_preinstall, .irq_postinstall = r128_driver_irq_postinstall, @@ -82,8 +57,6 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = r128_ioctls, .dma_ioctl = r128_cce_buffers, .fops = { @@ -97,12 +70,19 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = r128_compat_ioctl, #endif - } - , + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init r128_init(void) diff --git a/drivers/char/drm/r128_drv.h b/drivers/char/drm/r128_drv.h index 5c79e40eb88..94abffb2cca 100644 --- a/drivers/char/drm/r128_drv.h +++ b/drivers/char/drm/r128_drv.h @@ -1,7 +1,7 @@ /* r128_drv.h -- Private header for r128 driver -*- linux-c -*- * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + */ +/* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. * @@ -154,8 +154,8 @@ extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS); extern void r128_driver_irq_preinstall(drm_device_t * dev); extern void r128_driver_irq_postinstall(drm_device_t * dev); extern void r128_driver_irq_uninstall(drm_device_t * dev); -extern void r128_driver_pretakedown(drm_device_t * dev); -extern void r128_driver_prerelease(drm_device_t * dev, DRMFILE filp); +extern void r128_driver_lastclose(drm_device_t * dev); +extern void r128_driver_preclose(drm_device_t * dev, DRMFILE filp); extern long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); diff --git a/drivers/char/drm/r128_ioc32.c b/drivers/char/drm/r128_ioc32.c index 1e2e367b8b8..9dd6d4116e4 100644 --- a/drivers/char/drm/r128_ioc32.c +++ b/drivers/char/drm/r128_ioc32.c @@ -30,7 +30,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c index 27eb0e31bd3..87f8ca2b068 100644 --- a/drivers/char/drm/r128_irq.c +++ b/drivers/char/drm/r128_irq.c @@ -1,5 +1,5 @@ -/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- - * +/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- */ +/* * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. * * The Weather Channel (TM) funded Tungsten Graphics to develop the diff --git a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c index 14479cc08a5..a080cdd6081 100644 --- a/drivers/char/drm/r128_state.c +++ b/drivers/char/drm/r128_state.c @@ -1,7 +1,7 @@ /* r128_state.c -- State support for r128 -*- linux-c -*- * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + */ +/* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -220,7 +220,7 @@ static __inline__ void r128_emit_tex1(drm_r128_private_t * dev_priv) ADVANCE_RING(); } -static __inline__ void r128_emit_state(drm_r128_private_t * dev_priv) +static void r128_emit_state(drm_r128_private_t * dev_priv) { drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; @@ -1674,7 +1674,7 @@ static int r128_getparam(DRM_IOCTL_ARGS) return 0; } -void r128_driver_prerelease(drm_device_t * dev, DRMFILE filp) +void r128_driver_preclose(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_r128_private_t *dev_priv = dev->dev_private; @@ -1684,29 +1684,29 @@ void r128_driver_prerelease(drm_device_t * dev, DRMFILE filp) } } -void r128_driver_pretakedown(drm_device_t * dev) +void r128_driver_lastclose(drm_device_t * dev) { r128_do_cleanup_cce(dev); } drm_ioctl_desc_t r128_ioctls[] = { - [DRM_IOCTL_NR(DRM_R128_INIT)] = {r128_cce_init, 1, 1}, - [DRM_IOCTL_NR(DRM_R128_CCE_START)] = {r128_cce_start, 1, 1}, - [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = {r128_cce_stop, 1, 1}, - [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = {r128_cce_reset, 1, 1}, - [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = {r128_cce_idle, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_RESET)] = {r128_engine_reset, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = {r128_fullscreen, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_SWAP)] = {r128_cce_swap, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_FLIP)] = {r128_cce_flip, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_CLEAR)] = {r128_cce_clear, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_VERTEX)] = {r128_cce_vertex, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_INDICES)] = {r128_cce_indices, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_BLIT)] = {r128_cce_blit, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_DEPTH)] = {r128_cce_depth, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = {r128_cce_stipple, 1, 0}, - [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = {r128_cce_indirect, 1, 1}, - [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = {r128_getparam, 1, 0}, + [DRM_IOCTL_NR(DRM_R128_INIT)] = {r128_cce_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_R128_CCE_START)] = {r128_cce_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = {r128_cce_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = {r128_cce_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = {r128_cce_idle, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_RESET)] = {r128_engine_reset, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = {r128_fullscreen, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_SWAP)] = {r128_cce_swap, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_FLIP)] = {r128_cce_flip, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_CLEAR)] = {r128_cce_clear, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_VERTEX)] = {r128_cce_vertex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_INDICES)] = {r128_cce_indices, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_BLIT)] = {r128_cce_blit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_DEPTH)] = {r128_cce_depth, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = {r128_cce_stipple, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = {r128_cce_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = {r128_getparam, DRM_AUTH}, }; int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls); diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index 3a1ac5f78b4..291dbf4c818 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -52,8 +52,8 @@ static const int r300_cliprect_cntl[4] = { * Emit up to R300_SIMULTANEOUS_CLIPRECTS cliprects from the given command * buffer, starting with index n. */ -static int r300_emit_cliprects(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf, int n) +static int r300_emit_cliprects(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, int n) { drm_clip_rect_t box; int nr; @@ -216,6 +216,7 @@ void r300_init_reg_flags(void) ADD_RANGE(R300_TX_UNK1_0, 16); ADD_RANGE(R300_TX_SIZE_0, 16); ADD_RANGE(R300_TX_FORMAT_0, 16); + ADD_RANGE(R300_TX_PITCH_0, 16); /* Texture offset is dangerous and needs more checking */ ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); ADD_RANGE(R300_TX_UNK4_0, 16); @@ -242,7 +243,7 @@ static __inline__ int r300_check_range(unsigned reg, int count) /* we expect offsets passed to the framebuffer to be either within video memory or within AGP space */ -static __inline__ int r300_check_offset(drm_radeon_private_t * dev_priv, +static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, u32 offset) { /* we realy want to check against end of video aperture @@ -317,8 +318,8 @@ static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t * * * Note that checks are performed on contents and addresses of the registers */ -static __inline__ int r300_emit_packet0(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf, +static __inline__ int r300_emit_packet0(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, drm_r300_cmd_header_t header) { int reg; @@ -363,8 +364,8 @@ static __inline__ int r300_emit_packet0(drm_radeon_private_t * dev_priv, * the graphics card. * Called by r300_do_cp_cmdbuf. */ -static __inline__ int r300_emit_vpu(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf, +static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, drm_r300_cmd_header_t header) { int sz; @@ -400,8 +401,8 @@ static __inline__ int r300_emit_vpu(drm_radeon_private_t * dev_priv, * Emit a clear packet from userspace. * Called by r300_emit_packet3. */ -static __inline__ int r300_emit_clear(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf) +static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf) { RING_LOCALS; @@ -421,8 +422,8 @@ static __inline__ int r300_emit_clear(drm_radeon_private_t * dev_priv, return 0; } -static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf, +static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, u32 header) { int count, i, k; @@ -489,8 +490,8 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t * dev_priv, return 0; } -static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf) +static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf) { u32 header; int count; @@ -554,8 +555,8 @@ static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t * dev_priv, * Emit a rendering packet3 from userspace. * Called by r300_do_cp_cmdbuf. */ -static __inline__ int r300_emit_packet3(drm_radeon_private_t * dev_priv, - drm_radeon_kcmd_buffer_t * cmdbuf, +static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, drm_r300_cmd_header_t header) { int n; @@ -623,7 +624,7 @@ static __inline__ int r300_emit_packet3(drm_radeon_private_t * dev_priv, /** * Emit the sequence to pacify R300. */ -static __inline__ void r300_pacify(drm_radeon_private_t * dev_priv) +static __inline__ void r300_pacify(drm_radeon_private_t *dev_priv) { RING_LOCALS; @@ -657,9 +658,10 @@ static void r300_discard_buffer(drm_device_t * dev, drm_buf_t * buf) * commands on the DMA ring buffer. * Called by the ioctl handler function radeon_cp_cmdbuf. */ -int r300_do_cp_cmdbuf(drm_device_t * dev, +int r300_do_cp_cmdbuf(drm_device_t *dev, DRMFILE filp, - drm_file_t * filp_priv, drm_radeon_kcmd_buffer_t * cmdbuf) + drm_file_t *filp_priv, + drm_radeon_kcmd_buffer_t *cmdbuf) { drm_radeon_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index e5b73c00239..a0ed20e2522 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -797,6 +797,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_FORMAT_YUV_MODE 0x00800000 +#define R300_TX_PITCH_0 0x4500 #define R300_TX_OFFSET_0 0x4540 /* BEGIN: Guess from R200 */ # define R300_TXO_ENDIAN_NO_SWAP (0 << 0) diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 342302d4674..915665c7fe7 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1,5 +1,5 @@ -/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- - * +/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- */ +/* * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Fremont, California. * All Rights Reserved. @@ -824,7 +824,7 @@ static int RADEON_READ_PLL(drm_device_t * dev, int addr) return RADEON_READ(RADEON_CLOCK_CNTL_DATA); } -static int RADEON_READ_PCIE(drm_radeon_private_t * dev_priv, int addr) +static int RADEON_READ_PCIE(drm_radeon_private_t *dev_priv, int addr) { RADEON_WRITE8(RADEON_PCIE_INDEX, addr & 0xff); return RADEON_READ(RADEON_PCIE_DATA); @@ -1125,7 +1125,7 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, | (dev_priv->fb_location >> 16)); #if __OS_HAS_AGP - if (!dev_priv->is_pci) { + if (dev_priv->flags & CHIP_IS_AGP) { RADEON_WRITE(RADEON_MC_AGP_LOCATION, (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) & 0xffff0000) | @@ -1152,7 +1152,7 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, dev_priv->ring.tail = cur_read_ptr; #if __OS_HAS_AGP - if (!dev_priv->is_pci) { + if (dev_priv->flags & CHIP_IS_AGP) { /* set RADEON_AGP_BASE here instead of relying on X from user space */ RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base); RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, @@ -1278,13 +1278,15 @@ static void radeon_set_pciegart(drm_radeon_private_t * dev_priv, int on) /* Enable or disable PCI GART on the chip */ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on) { - u32 tmp = RADEON_READ(RADEON_AIC_CNTL); + u32 tmp; if (dev_priv->flags & CHIP_IS_PCIE) { radeon_set_pciegart(dev_priv, on); return; } + tmp = RADEON_READ(RADEON_AIC_CNTL); + if (on) { RADEON_WRITE(RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN); @@ -1312,13 +1314,17 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on) static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) { drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG("\n"); - dev_priv->is_pci = init->is_pci; + if (init->is_pci && (dev_priv->flags & CHIP_IS_AGP)) + { + DRM_DEBUG("Forcing AGP card to PCI mode\n"); + dev_priv->flags &= ~CHIP_IS_AGP; + } - if (dev_priv->is_pci && !dev->sg) { + if ((!(dev_priv->flags & CHIP_IS_AGP)) && !dev->sg) { DRM_ERROR("PCI GART memory not allocated!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1327,12 +1333,11 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if (dev_priv->usec_timeout < 1 || dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT) { DRM_DEBUG("TIMEOUT problem!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } - switch (init->func) { + switch(init->func) { case RADEON_INIT_R200_CP: dev_priv->microcode_version = UCODE_R200; break; @@ -1353,7 +1358,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if ((init->cp_mode != RADEON_CSQ_PRIBM_INDDIS) && (init->cp_mode != RADEON_CSQ_PRIBM_INDBM)) { DRM_DEBUG("BAD cp_mode (%x)!\n", init->cp_mode); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1416,8 +1420,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) DRM_GETSAREA(); - dev_priv->fb_offset = init->fb_offset; - dev_priv->mmio_offset = init->mmio_offset; dev_priv->ring_offset = init->ring_offset; dev_priv->ring_rptr_offset = init->ring_rptr_offset; dev_priv->buffers_offset = init->buffers_offset; @@ -1425,29 +1427,19 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if (!dev_priv->sarea) { DRM_ERROR("could not find sarea!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } - dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio) { - DRM_ERROR("could not find mmio region!\n"); - dev->dev_private = (void *)dev_priv; - radeon_do_cleanup_cp(dev); - return DRM_ERR(EINVAL); - } dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset); if (!dev_priv->cp_ring) { DRM_ERROR("could not find cp ring region!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset); if (!dev_priv->ring_rptr) { DRM_ERROR("could not find ring read pointer!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1455,7 +1447,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); if (!dev->agp_buffer_map) { DRM_ERROR("could not find dma buffer region!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1465,7 +1456,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) drm_core_findmap(dev, init->gart_textures_offset); if (!dev_priv->gart_textures) { DRM_ERROR("could not find GART texture region!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1476,7 +1466,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) init->sarea_priv_offset); #if __OS_HAS_AGP - if (!dev_priv->is_pci) { + if (dev_priv->flags & CHIP_IS_AGP) { drm_core_ioremap(dev_priv->cp_ring, dev); drm_core_ioremap(dev_priv->ring_rptr, dev); drm_core_ioremap(dev->agp_buffer_map, dev); @@ -1484,7 +1474,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) !dev_priv->ring_rptr->handle || !dev->agp_buffer_map->handle) { DRM_ERROR("could not find ioremap agp regions!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(EINVAL); } @@ -1525,7 +1514,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) + RADEON_READ(RADEON_CONFIG_APER_SIZE); #if __OS_HAS_AGP - if (!dev_priv->is_pci) + if (dev_priv->flags & CHIP_IS_AGP) dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset - dev->agp->base + dev_priv->gart_vm_start); @@ -1551,7 +1540,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; #if __OS_HAS_AGP - if (!dev_priv->is_pci) { + if (dev_priv->flags & CHIP_IS_AGP) { /* Turn off PCI GART */ radeon_set_pcigart(dev_priv, 0); } else @@ -1561,25 +1550,28 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if (dev_priv->pcigart_offset) { dev_priv->gart_info.bus_addr = dev_priv->pcigart_offset + dev_priv->fb_location; + dev_priv->gart_info.mapping.offset = + dev_priv->gart_info.bus_addr; + dev_priv->gart_info.mapping.size = + RADEON_PCIGART_TABLE_SIZE; + + drm_core_ioremap(&dev_priv->gart_info.mapping, dev); dev_priv->gart_info.addr = - (unsigned long)drm_ioremap(dev_priv->gart_info. - bus_addr, - RADEON_PCIGART_TABLE_SIZE, - dev); + dev_priv->gart_info.mapping.handle; dev_priv->gart_info.is_pcie = !!(dev_priv->flags & CHIP_IS_PCIE); dev_priv->gart_info.gart_table_location = DRM_ATI_GART_FB; - DRM_DEBUG("Setting phys_pci_gart to %08lX %08lX\n", + DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n", dev_priv->gart_info.addr, dev_priv->pcigart_offset); } else { dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; - dev_priv->gart_info.addr = - dev_priv->gart_info.bus_addr = 0; + dev_priv->gart_info.addr = NULL; + dev_priv->gart_info.bus_addr = 0; if (dev_priv->flags & CHIP_IS_PCIE) { DRM_ERROR ("Cannot use PCI Express without GART in FB memory\n"); @@ -1590,7 +1582,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) { DRM_ERROR("failed to init PCI GART!\n"); - dev->dev_private = (void *)dev_priv; radeon_do_cleanup_cp(dev); return DRM_ERR(ENOMEM); } @@ -1604,8 +1595,6 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->last_buf = 0; - dev->dev_private = (void *)dev_priv; - radeon_do_engine_reset(dev); return 0; @@ -1624,11 +1613,15 @@ static int radeon_do_cleanup_cp(drm_device_t * dev) drm_irq_uninstall(dev); #if __OS_HAS_AGP - if (!dev_priv->is_pci) { - if (dev_priv->cp_ring != NULL) + if (dev_priv->flags & CHIP_IS_AGP) { + if (dev_priv->cp_ring != NULL) { drm_core_ioremapfree(dev_priv->cp_ring, dev); - if (dev_priv->ring_rptr != NULL) + dev_priv->cp_ring = NULL; + } + if (dev_priv->ring_rptr != NULL) { drm_core_ioremapfree(dev_priv->ring_rptr, dev); + dev_priv->ring_rptr = NULL; + } if (dev->agp_buffer_map != NULL) { drm_core_ioremapfree(dev->agp_buffer_map, dev); dev->agp_buffer_map = NULL; @@ -1636,17 +1629,20 @@ static int radeon_do_cleanup_cp(drm_device_t * dev) } else #endif { - if (dev_priv->gart_info.bus_addr) + + if (dev_priv->gart_info.bus_addr) { + /* Turn off PCI GART */ + radeon_set_pcigart(dev_priv, 0); if (!drm_ati_pcigart_cleanup(dev, &dev_priv->gart_info)) DRM_ERROR("failed to cleanup PCI GART!\n"); + } - if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) { - drm_ioremapfree((void *)dev_priv->gart_info.addr, - RADEON_PCIGART_TABLE_SIZE, dev); + if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB) + { + drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev); dev_priv->gart_info.addr = 0; } } - /* only clear to the start of flags */ memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags)); @@ -1672,7 +1668,7 @@ static int radeon_do_resume_cp(drm_device_t * dev) DRM_DEBUG("Starting radeon_do_resume_cp()\n"); #if __OS_HAS_AGP - if (!dev_priv->is_pci) { + if (dev_priv->flags & CHIP_IS_AGP) { /* Turn off PCI GART */ radeon_set_pcigart(dev_priv, 0); } else @@ -2103,7 +2099,7 @@ int radeon_cp_buffers(DRM_IOCTL_ARGS) return ret; } -int radeon_driver_preinit(struct drm_device *dev, unsigned long flags) +int radeon_driver_load(struct drm_device *dev, unsigned long flags) { drm_radeon_private_t *dev_priv; int ret = 0; @@ -2136,11 +2132,14 @@ int radeon_driver_preinit(struct drm_device *dev, unsigned long flags) dev_priv->flags |= CHIP_IS_PCIE; DRM_DEBUG("%s card detected\n", - ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : "PCI")); + ((dev_priv->flags & CHIP_IS_AGP) ? "AGP" : (((dev_priv->flags & CHIP_IS_PCIE) ? "PCIE" : "PCI")))); return ret; } -int radeon_presetup(struct drm_device *dev) +/* Create mappings for registers and framebuffer so userland doesn't necessarily + * have to find them. + */ +int radeon_driver_firstopen(struct drm_device *dev) { int ret; drm_local_map_t *map; @@ -2161,12 +2160,11 @@ int radeon_presetup(struct drm_device *dev) return 0; } -int radeon_driver_postcleanup(struct drm_device *dev) +int radeon_driver_unload(struct drm_device *dev) { drm_radeon_private_t *dev_priv = dev->dev_private; DRM_DEBUG("\n"); - drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); dev->dev_private = NULL; diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index 1cd81a671a3..9c177a6b2a4 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -624,6 +624,11 @@ typedef struct drm_radeon_indirect { int discard; } drm_radeon_indirect_t; +/* enum for card type parameters */ +#define RADEON_CARD_PCI 0 +#define RADEON_CARD_AGP 1 +#define RADEON_CARD_PCIE 2 + /* 1.3: An ioctl to get parameters that aren't available to the 3d * client any other way. */ @@ -640,6 +645,7 @@ typedef struct drm_radeon_indirect { #define RADEON_PARAM_SAREA_HANDLE 9 #define RADEON_PARAM_GART_TEX_HANDLE 10 #define RADEON_PARAM_SCRATCH_OFFSET 11 +#define RADEON_PARAM_CARD_TYPE 12 typedef struct drm_radeon_getparam { int param; diff --git a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c index ee49670d816..b04ed1b562b 100644 --- a/drivers/char/drm/radeon_drv.c +++ b/drivers/char/drm/radeon_drv.c @@ -42,29 +42,15 @@ int radeon_no_wb; MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers\n"); module_param_named(no_wb, radeon_no_wb, int, 0444); -static int postinit(struct drm_device *dev, unsigned long flags) +static int dri_library_name(struct drm_device *dev, char *buf) { - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; + drm_radeon_private_t *dev_priv = dev->dev_private; + int family = dev_priv->flags & CHIP_FAMILY_MASK; - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; + return snprintf(buf, PAGE_SIZE, "%s\n", + (family < CHIP_R200) ? "radeon" : + ((family < CHIP_R300) ? "r200" : + "r300")); } static struct pci_device_id pciidlist[] = { @@ -77,23 +63,22 @@ static struct drm_driver driver = { DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, .dev_priv_size = sizeof(drm_radeon_buf_priv_t), - .preinit = radeon_driver_preinit, - .presetup = radeon_presetup, - .postcleanup = radeon_driver_postcleanup, - .prerelease = radeon_driver_prerelease, - .pretakedown = radeon_driver_pretakedown, - .open_helper = radeon_driver_open_helper, + .load = radeon_driver_load, + .firstopen = radeon_driver_firstopen, + .open = radeon_driver_open, + .preclose = radeon_driver_preclose, + .postclose = radeon_driver_postclose, + .lastclose = radeon_driver_lastclose, + .unload = radeon_driver_unload, .vblank_wait = radeon_driver_vblank_wait, + .dri_library_name = dri_library_name, .irq_preinstall = radeon_driver_irq_preinstall, .irq_postinstall = radeon_driver_irq_postinstall, .irq_uninstall = radeon_driver_irq_uninstall, .irq_handler = radeon_driver_irq_handler, - .free_filp_priv = radeon_driver_free_filp_priv, .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = radeon_ioctls, .dma_ioctl = radeon_cp_buffers, .fops = { @@ -107,12 +92,19 @@ static struct drm_driver driver = { #ifdef CONFIG_COMPAT .compat_ioctl = radeon_compat_ioctl, #endif - } - , + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init radeon_init(void) diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index d92ccee3e54..498b19b1d64 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -38,7 +38,7 @@ #define DRIVER_NAME "radeon" #define DRIVER_DESC "ATI Radeon" -#define DRIVER_DATE "20050911" +#define DRIVER_DATE "20051229" /* Interface history: * @@ -73,7 +73,7 @@ * 1.11- Add packet R200_EMIT_RB3D_BLENDCOLOR to support GL_EXT_blend_color * and GL_EXT_blend_[func|equation]_separate on r200 * 1.12- Add R300 CP microcode support - this just loads the CP on r300 - * (No 3D support yet - just microcode loading) + * (No 3D support yet - just microcode loading). * 1.13- Add packet R200_EMIT_TCL_POINT_SPRITE_CNTL for ARB_point_parameters * - Add hyperz support, add hyperz flags to clear ioctl. * 1.14- Add support for color tiling @@ -88,14 +88,13 @@ * R200_EMIT_PP_TXFILTER_0-5, 2 more regs) and R200_EMIT_ATF_TFACTOR * (replaces R200_EMIT_TFACTOR_0 (8 consts instead of 6) * 1.19- Add support for gart table in FB memory and PCIE r300 + * 1.20- Add support for r300 texrect + * 1.21- Add support for card type getparam */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 19 +#define DRIVER_MINOR 21 #define DRIVER_PATCHLEVEL 0 -#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) -#define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) - /* * Radeon chip families */ @@ -103,8 +102,8 @@ enum radeon_family { CHIP_R100, CHIP_RS100, CHIP_RV100, - CHIP_R200, CHIP_RV200, + CHIP_R200, CHIP_RS200, CHIP_R250, CHIP_RS250, @@ -138,6 +137,9 @@ enum radeon_chip_flags { CHIP_IS_PCIE = 0x00200000UL, }; +#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) +#define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) + typedef struct drm_radeon_freelist { unsigned int age; drm_buf_t *buf; @@ -245,8 +247,6 @@ typedef struct drm_radeon_private { drm_radeon_depth_clear_t depth_clear; - unsigned long fb_offset; - unsigned long mmio_offset; unsigned long ring_offset; unsigned long ring_rptr_offset; unsigned long buffers_offset; @@ -273,7 +273,6 @@ typedef struct drm_radeon_private { /* starting from here on, data is preserved accross an open */ uint32_t flags; /* see radeon_chip_flags */ - int is_pci; } drm_radeon_private_t; typedef struct drm_radeon_buf_priv { @@ -330,17 +329,14 @@ extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS); extern void radeon_driver_irq_preinstall(drm_device_t * dev); extern void radeon_driver_irq_postinstall(drm_device_t * dev); extern void radeon_driver_irq_uninstall(drm_device_t * dev); -extern void radeon_driver_prerelease(drm_device_t * dev, DRMFILE filp); -extern void radeon_driver_pretakedown(drm_device_t * dev); -extern int radeon_driver_open_helper(drm_device_t * dev, - drm_file_t * filp_priv); -extern void radeon_driver_free_filp_priv(drm_device_t * dev, - drm_file_t * filp_priv); - -extern int radeon_preinit(struct drm_device *dev, unsigned long flags); -extern int radeon_postinit(struct drm_device *dev, unsigned long flags); -extern int radeon_postcleanup(struct drm_device *dev); +extern int radeon_driver_load(struct drm_device *dev, unsigned long flags); +extern int radeon_driver_unload(struct drm_device *dev); +extern int radeon_driver_firstopen(struct drm_device *dev); +extern void radeon_driver_preclose(drm_device_t * dev, DRMFILE filp); +extern void radeon_driver_postclose(drm_device_t * dev, drm_file_t * filp); +extern void radeon_driver_lastclose(drm_device_t * dev); +extern int radeon_driver_open(drm_device_t * dev, drm_file_t * filp_priv); extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); @@ -364,6 +360,8 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp, */ #define RADEON_AGP_COMMAND 0x0f60 +#define RADEON_AGP_COMMAND_PCI_CONFIG 0x0060 /* offset in PCI config */ +# define RADEON_AGP_ENABLE (1<<8) #define RADEON_AUX_SCISSOR_CNTL 0x26f0 # define RADEON_EXCLUSIVE_SCISSOR_0 (1 << 24) # define RADEON_EXCLUSIVE_SCISSOR_1 (1 << 25) @@ -651,6 +649,8 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp, #define RADEON_WAIT_UNTIL 0x1720 # define RADEON_WAIT_CRTC_PFLIP (1 << 0) +# define RADEON_WAIT_2D_IDLE (1 << 14) +# define RADEON_WAIT_3D_IDLE (1 << 15) # define RADEON_WAIT_2D_IDLECLEAN (1 << 16) # define RADEON_WAIT_3D_IDLECLEAN (1 << 17) # define RADEON_WAIT_HOST_IDLECLEAN (1 << 18) @@ -1105,7 +1105,6 @@ do { \ write = 0; \ _tab += _i; \ } \ - \ while (_size > 0) { \ *(ring + write) = *_tab++; \ write++; \ diff --git a/drivers/char/drm/radeon_ioc32.c b/drivers/char/drm/radeon_ioc32.c index fef4a2b84c1..0ccfd3618ff 100644 --- a/drivers/char/drm/radeon_ioc32.c +++ b/drivers/char/drm/radeon_ioc32.c @@ -28,7 +28,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 231ac1438c6..7bc27516d42 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -1,5 +1,5 @@ -/* radeon_state.c -- State support for Radeon -*- linux-c -*- - * +/* radeon_state.c -- State support for Radeon -*- linux-c -*- */ +/* * Copyright 2000 VA Linux Systems, Inc., Fremont, California. * All Rights Reserved. * @@ -72,10 +72,7 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * case RADEON_EMIT_PP_MISC: if (radeon_check_and_fixup_offset(dev_priv, filp_priv, - &data[(RADEON_RB3D_DEPTHOFFSET - - - RADEON_PP_MISC) / - 4])) { + &data[(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4])) { DRM_ERROR("Invalid depth buffer offset\n"); return DRM_ERR(EINVAL); } @@ -83,10 +80,7 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * case RADEON_EMIT_PP_CNTL: if (radeon_check_and_fixup_offset(dev_priv, filp_priv, - &data[(RADEON_RB3D_COLOROFFSET - - - RADEON_PP_CNTL) / - 4])) { + &data[(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4])) { DRM_ERROR("Invalid colour buffer offset\n"); return DRM_ERR(EINVAL); } @@ -109,10 +103,7 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * case RADEON_EMIT_PP_TXFILTER_1: case RADEON_EMIT_PP_TXFILTER_2: if (radeon_check_and_fixup_offset(dev_priv, filp_priv, - &data[(RADEON_PP_TXOFFSET_0 - - - RADEON_PP_TXFILTER_0) / - 4])) { + &data[(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4])) { DRM_ERROR("Invalid R100 texture offset\n"); return DRM_ERR(EINVAL); } @@ -126,8 +117,9 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * case R200_EMIT_PP_CUBIC_OFFSETS_5:{ int i; for (i = 0; i < 5; i++) { - if (radeon_check_and_fixup_offset - (dev_priv, filp_priv, &data[i])) { + if (radeon_check_and_fixup_offset(dev_priv, + filp_priv, + &data[i])) { DRM_ERROR ("Invalid R200 cubic texture offset\n"); return DRM_ERR(EINVAL); @@ -239,8 +231,9 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t * dev_priv, - drm_file_t * filp_priv, - drm_radeon_kcmd_buffer_t *cmdbuf, + drm_file_t *filp_priv, + drm_radeon_kcmd_buffer_t * + cmdbuf, unsigned int *cmdsz) { u32 *cmd = (u32 *) cmdbuf->buf; @@ -555,7 +548,8 @@ static struct { {R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4"}, {R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5"}, {R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL"}, - {R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1, "R200_SE_TCL_OUTPUT_VTX_COMP_SEL"}, + {R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1, + "R200_SE_TCL_OUTPUT_VTX_COMP_SEL"}, {R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3"}, {R200_PP_CNTL_X, 1, "R200_PP_CNTL_X"}, {R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET"}, @@ -569,7 +563,7 @@ static struct { {R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4, "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0"}, {R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0"}, /* 61 */ - {R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0"}, /* 62 */ + {R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0"}, /* 62 */ {R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1"}, {R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1"}, {R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2"}, @@ -592,7 +586,7 @@ static struct { {RADEON_PP_CUBIC_FACES_2, 1, "RADEON_PP_CUBIC_FACES_2"}, {RADEON_PP_CUBIC_OFFSET_T2_0, 5, "RADEON_PP_CUBIC_OFFSET_T2_0"}, {R200_PP_TRI_PERF, 2, "R200_PP_TRI_PERF"}, - {R200_PP_AFS_0, 32, "R200_PP_AFS_0"}, /* 85 */ + {R200_PP_AFS_0, 32, "R200_PP_AFS_0"}, /* 85 */ {R200_PP_AFS_1, 32, "R200_PP_AFS_1"}, {R200_PP_TFACTOR_0, 8, "R200_ATF_TFACTOR"}, {R200_PP_TXFILTER_0, 8, "R200_PP_TXCTLALL_0"}, @@ -985,8 +979,8 @@ static void radeon_cp_dispatch_clear(drm_device_t * dev, * rendering a quad into just those buffers. Thus, we have to * make sure the 3D engine is configured correctly. */ - if ((dev_priv->microcode_version == UCODE_R200) && - (flags & (RADEON_DEPTH | RADEON_STENCIL))) { + else if ((dev_priv->microcode_version == UCODE_R200) && + (flags & (RADEON_DEPTH | RADEON_STENCIL))) { int tempPP_CNTL; int tempRE_CNTL; @@ -1637,6 +1631,14 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, (u32 *) ((char *)dev->agp_buffer_map->handle + buf->offset); dwords = size / 4; +#define RADEON_COPY_MT(_buf, _data, _width) \ + do { \ + if (DRM_COPY_FROM_USER(_buf, _data, (_width))) {\ + DRM_ERROR("EFAULT on pad, %d bytes\n", (_width)); \ + return DRM_ERR(EFAULT); \ + } \ + } while(0) + if (microtile) { /* texture micro tiling in use, minimum texture width is thus 16 bytes. however, we cannot use blitter directly for texture width < 64 bytes, @@ -1648,46 +1650,19 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, from user space. */ if (tex->height == 1) { if (tex_width >= 64 || tex_width <= 16) { - if (DRM_COPY_FROM_USER(buffer, data, - tex_width * - sizeof(u32))) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, + (int)(tex_width * sizeof(u32))); } else if (tex_width == 32) { - if (DRM_COPY_FROM_USER - (buffer, data, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } - if (DRM_COPY_FROM_USER - (buffer + 8, data + 16, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, 16); + RADEON_COPY_MT(buffer + 8, + data + 16, 16); } } else if (tex_width >= 64 || tex_width == 16) { - if (DRM_COPY_FROM_USER(buffer, data, - dwords * sizeof(u32))) { - DRM_ERROR("EFAULT on data, %d dwords\n", - dwords); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, + (int)(dwords * sizeof(u32))); } else if (tex_width < 16) { for (i = 0; i < tex->height; i++) { - if (DRM_COPY_FROM_USER - (buffer, data, tex_width)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, tex_width); buffer += 4; data += tex_width; } @@ -1695,37 +1670,13 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, /* TODO: make sure this works when not fitting in one buffer (i.e. 32bytes x 2048...) */ for (i = 0; i < tex->height; i += 2) { - if (DRM_COPY_FROM_USER - (buffer, data, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, 16); data += 16; - if (DRM_COPY_FROM_USER - (buffer + 8, data, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer + 8, data, 16); data += 16; - if (DRM_COPY_FROM_USER - (buffer + 4, data, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer + 4, data, 16); data += 16; - if (DRM_COPY_FROM_USER - (buffer + 12, data, 16)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer + 12, data, 16); data += 16; buffer += 16; } @@ -1735,31 +1686,22 @@ static int radeon_cp_dispatch_texture(DRMFILE filp, /* Texture image width is larger than the minimum, so we * can upload it directly. */ - if (DRM_COPY_FROM_USER(buffer, data, - dwords * sizeof(u32))) { - DRM_ERROR("EFAULT on data, %d dwords\n", - dwords); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, + (int)(dwords * sizeof(u32))); } else { /* Texture image width is less than the minimum, so we * need to pad out each image scanline to the minimum * width. */ for (i = 0; i < tex->height; i++) { - if (DRM_COPY_FROM_USER - (buffer, data, tex_width)) { - DRM_ERROR - ("EFAULT on pad, %d bytes\n", - tex_width); - return DRM_ERR(EFAULT); - } + RADEON_COPY_MT(buffer, data, tex_width); buffer += 8; data += tex_width; } } } +#undef RADEON_COPY_MT buf->filp = filp; buf->used = size; offset = dev_priv->gart_buffers_offset + buf->offset; @@ -1821,7 +1763,7 @@ static void radeon_cp_dispatch_stipple(drm_device_t * dev, u32 * stipple) } static void radeon_apply_surface_regs(int surf_index, - drm_radeon_private_t * dev_priv) + drm_radeon_private_t *dev_priv) { if (!dev_priv->mmio) return; @@ -1847,8 +1789,8 @@ static void radeon_apply_surface_regs(int surf_index, * freed, we suddenly need two surfaces to store A and C, which might * not always be available. */ -static int alloc_surface(drm_radeon_surface_alloc_t * new, - drm_radeon_private_t * dev_priv, DRMFILE filp) +static int alloc_surface(drm_radeon_surface_alloc_t *new, + drm_radeon_private_t *dev_priv, DRMFILE filp) { struct radeon_virt_surface *s; int i; @@ -2158,6 +2100,11 @@ static int radeon_cp_vertex(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(vertex, (drm_radeon_vertex_t __user *) data, @@ -2596,9 +2543,9 @@ static int radeon_emit_packets(drm_radeon_private_t * dev_priv, return 0; } -static __inline__ int radeon_emit_scalars(drm_radeon_private_t * dev_priv, +static __inline__ int radeon_emit_scalars(drm_radeon_private_t *dev_priv, drm_radeon_cmd_header_t header, - drm_radeon_kcmd_buffer_t * cmdbuf) + drm_radeon_kcmd_buffer_t *cmdbuf) { int sz = header.scalars.count; int start = header.scalars.offset; @@ -2618,9 +2565,9 @@ static __inline__ int radeon_emit_scalars(drm_radeon_private_t * dev_priv, /* God this is ugly */ -static __inline__ int radeon_emit_scalars2(drm_radeon_private_t * dev_priv, +static __inline__ int radeon_emit_scalars2(drm_radeon_private_t *dev_priv, drm_radeon_cmd_header_t header, - drm_radeon_kcmd_buffer_t * cmdbuf) + drm_radeon_kcmd_buffer_t *cmdbuf) { int sz = header.scalars.count; int start = ((unsigned int)header.scalars.offset) + 0x100; @@ -2638,9 +2585,9 @@ static __inline__ int radeon_emit_scalars2(drm_radeon_private_t * dev_priv, return 0; } -static __inline__ int radeon_emit_vectors(drm_radeon_private_t * dev_priv, +static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv, drm_radeon_cmd_header_t header, - drm_radeon_kcmd_buffer_t * cmdbuf) + drm_radeon_kcmd_buffer_t *cmdbuf) { int sz = header.vectors.count; int start = header.vectors.offset; @@ -2685,8 +2632,8 @@ static int radeon_emit_packet3(drm_device_t * dev, return 0; } -static int radeon_emit_packet3_cliprect(drm_device_t * dev, - drm_file_t * filp_priv, +static int radeon_emit_packet3_cliprect(drm_device_t *dev, + drm_file_t *filp_priv, drm_radeon_kcmd_buffer_t *cmdbuf, int orig_nbox) { @@ -2818,7 +2765,8 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) kbuf = drm_alloc(cmdbuf.bufsz, DRM_MEM_DRIVER); if (kbuf == NULL) return DRM_ERR(ENOMEM); - if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf.buf, cmdbuf.bufsz)) { + if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf.buf, + cmdbuf.bufsz)) { drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); return DRM_ERR(EFAULT); } @@ -2981,7 +2929,7 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) value = dev_priv->gart_vm_start; break; case RADEON_PARAM_REGISTER_HANDLE: - value = dev_priv->mmio_offset; + value = dev_priv->mmio->offset; break; case RADEON_PARAM_STATUS_HANDLE: value = dev_priv->ring_rptr_offset; @@ -3004,6 +2952,15 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) case RADEON_PARAM_GART_TEX_HANDLE: value = dev_priv->gart_textures_offset; break; + + case RADEON_PARAM_CARD_TYPE: + if (dev_priv->flags & CHIP_IS_PCIE) + value = RADEON_CARD_PCIE; + else if (dev_priv->flags & CHIP_IS_AGP) + value = RADEON_CARD_AGP; + else + value = RADEON_CARD_PCI; + break; default: return DRM_ERR(EINVAL); } @@ -3066,10 +3023,11 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) /* When a client dies: * - Check for and clean up flipped page state * - Free any alloced GART memory. + * - Free any alloced radeon surfaces. * * DRM infrastructure takes care of reclaiming dma buffers. */ -void radeon_driver_prerelease(drm_device_t * dev, DRMFILE filp) +void radeon_driver_preclose(drm_device_t * dev, DRMFILE filp) { if (dev->dev_private) { drm_radeon_private_t *dev_priv = dev->dev_private; @@ -3082,16 +3040,17 @@ void radeon_driver_prerelease(drm_device_t * dev, DRMFILE filp) } } -void radeon_driver_pretakedown(drm_device_t * dev) +void radeon_driver_lastclose(drm_device_t * dev) { radeon_do_release(dev); } -int radeon_driver_open_helper(drm_device_t * dev, drm_file_t * filp_priv) +int radeon_driver_open(drm_device_t * dev, drm_file_t * filp_priv) { drm_radeon_private_t *dev_priv = dev->dev_private; struct drm_radeon_driver_file_fields *radeon_priv; + DRM_DEBUG("\n"); radeon_priv = (struct drm_radeon_driver_file_fields *) drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES); @@ -3100,6 +3059,7 @@ int radeon_driver_open_helper(drm_device_t * dev, drm_file_t * filp_priv) return -ENOMEM; filp_priv->driver_priv = radeon_priv; + if (dev_priv) radeon_priv->radeon_fb_delta = dev_priv->fb_location; else @@ -3107,7 +3067,7 @@ int radeon_driver_open_helper(drm_device_t * dev, drm_file_t * filp_priv) return 0; } -void radeon_driver_free_filp_priv(drm_device_t * dev, drm_file_t * filp_priv) +void radeon_driver_postclose(drm_device_t * dev, drm_file_t * filp_priv) { struct drm_radeon_driver_file_fields *radeon_priv = filp_priv->driver_priv; @@ -3116,33 +3076,33 @@ void radeon_driver_free_filp_priv(drm_device_t * dev, drm_file_t * filp_priv) } drm_ioctl_desc_t radeon_ioctls[] = { - [DRM_IOCTL_NR(DRM_RADEON_CP_INIT)] = {radeon_cp_init, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_CP_START)] = {radeon_cp_start, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_CP_STOP)] = {radeon_cp_stop, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_CP_RESET)] = {radeon_cp_reset, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_CP_IDLE)] = {radeon_cp_idle, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_CP_RESUME)] = {radeon_cp_resume, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_RESET)] = {radeon_engine_reset, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_FULLSCREEN)] = {radeon_fullscreen, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_SWAP)] = {radeon_cp_swap, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_CLEAR)] = {radeon_cp_clear, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_VERTEX)] = {radeon_cp_vertex, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_INDICES)] = {radeon_cp_indices, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_TEXTURE)] = {radeon_cp_texture, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_STIPPLE)] = {radeon_cp_stipple, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_INDIRECT)] = {radeon_cp_indirect, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_VERTEX2)] = {radeon_cp_vertex2, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_CMDBUF)] = {radeon_cp_cmdbuf, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_GETPARAM)] = {radeon_cp_getparam, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_FLIP)] = {radeon_cp_flip, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_ALLOC)] = {radeon_mem_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_FREE)] = {radeon_mem_free, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_INIT_HEAP)] = {radeon_mem_init_heap, 1, 1}, - [DRM_IOCTL_NR(DRM_RADEON_IRQ_EMIT)] = {radeon_irq_emit, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_IRQ_WAIT)] = {radeon_irq_wait, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_SETPARAM)] = {radeon_cp_setparam, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_SURF_ALLOC)] = {radeon_surface_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_RADEON_SURF_FREE)] = {radeon_surface_free, 1, 0} + [DRM_IOCTL_NR(DRM_RADEON_CP_INIT)] = {radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_CP_START)] = {radeon_cp_start, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_CP_STOP)] = {radeon_cp_stop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESET)] = {radeon_cp_reset, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_CP_IDLE)] = {radeon_cp_idle, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESUME)] = {radeon_cp_resume, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_RESET)] = {radeon_engine_reset, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_FULLSCREEN)] = {radeon_fullscreen, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_SWAP)] = {radeon_cp_swap, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_CLEAR)] = {radeon_cp_clear, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX)] = {radeon_cp_vertex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_INDICES)] = {radeon_cp_indices, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_TEXTURE)] = {radeon_cp_texture, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_STIPPLE)] = {radeon_cp_stipple, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_INDIRECT)] = {radeon_cp_indirect, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX2)] = {radeon_cp_vertex2, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_CMDBUF)] = {radeon_cp_cmdbuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_GETPARAM)] = {radeon_cp_getparam, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_FLIP)] = {radeon_cp_flip, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_ALLOC)] = {radeon_mem_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_FREE)] = {radeon_mem_free, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_INIT_HEAP)] = {radeon_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_EMIT)] = {radeon_irq_emit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_WAIT)] = {radeon_irq_wait, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_SETPARAM)] = {radeon_cp_setparam, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_SURF_ALLOC)] = {radeon_surface_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_RADEON_SURF_FREE)] = {radeon_surface_free, DRM_AUTH} }; int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls); diff --git a/drivers/char/drm/savage_bci.c b/drivers/char/drm/savage_bci.c index 6d10515795c..0d426deeefe 100644 --- a/drivers/char/drm/savage_bci.c +++ b/drivers/char/drm/savage_bci.c @@ -533,16 +533,32 @@ static void savage_fake_dma_flush(drm_savage_private_t * dev_priv) dev_priv->first_dma_page = dev_priv->current_dma_page = 0; } +int savage_driver_load(drm_device_t *dev, unsigned long chipset) +{ + drm_savage_private_t *dev_priv; + + dev_priv = drm_alloc(sizeof(drm_savage_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return DRM_ERR(ENOMEM); + + memset(dev_priv, 0, sizeof(drm_savage_private_t)); + dev->dev_private = (void *)dev_priv; + + dev_priv->chipset = (enum savage_family)chipset; + + return 0; +} + + /* * Initalize mappings. On Savage4 and SavageIX the alignment * and size of the aperture is not suitable for automatic MTRR setup - * in drm_addmap. Therefore we do it manually before the maps are - * initialized. We also need to take care of deleting the MTRRs in - * postcleanup. + * in drm_addmap. Therefore we add them manually before the maps are + * initialized, and tear them down on last close. */ -int savage_preinit(drm_device_t * dev, unsigned long chipset) +int savage_driver_firstopen(drm_device_t *dev) { - drm_savage_private_t *dev_priv; + drm_savage_private_t *dev_priv = dev->dev_private; unsigned long mmio_base, fb_base, fb_size, aperture_base; /* fb_rsrc and aper_rsrc aren't really used currently, but still exist * in case we decide we need information on the BAR for BSD in the @@ -551,14 +567,6 @@ int savage_preinit(drm_device_t * dev, unsigned long chipset) unsigned int fb_rsrc, aper_rsrc; int ret = 0; - dev_priv = drm_alloc(sizeof(drm_savage_private_t), DRM_MEM_DRIVER); - if (dev_priv == NULL) - return DRM_ERR(ENOMEM); - - memset(dev_priv, 0, sizeof(drm_savage_private_t)); - dev->dev_private = (void *)dev_priv; - dev_priv->chipset = (enum savage_family)chipset; - dev_priv->mtrr[0].handle = -1; dev_priv->mtrr[1].handle = -1; dev_priv->mtrr[2].handle = -1; @@ -576,26 +584,24 @@ int savage_preinit(drm_device_t * dev, unsigned long chipset) dev_priv->mtrr[0].base = fb_base; dev_priv->mtrr[0].size = 0x01000000; dev_priv->mtrr[0].handle = - mtrr_add(dev_priv->mtrr[0].base, - dev_priv->mtrr[0].size, MTRR_TYPE_WRCOMB, - 1); + drm_mtrr_add(dev_priv->mtrr[0].base, + dev_priv->mtrr[0].size, DRM_MTRR_WC); dev_priv->mtrr[1].base = fb_base + 0x02000000; dev_priv->mtrr[1].size = 0x02000000; dev_priv->mtrr[1].handle = - mtrr_add(dev_priv->mtrr[1].base, - dev_priv->mtrr[1].size, MTRR_TYPE_WRCOMB, - 1); + drm_mtrr_add(dev_priv->mtrr[1].base, + dev_priv->mtrr[1].size, DRM_MTRR_WC); dev_priv->mtrr[2].base = fb_base + 0x04000000; dev_priv->mtrr[2].size = 0x04000000; dev_priv->mtrr[2].handle = - mtrr_add(dev_priv->mtrr[2].base, - dev_priv->mtrr[2].size, MTRR_TYPE_WRCOMB, - 1); + drm_mtrr_add(dev_priv->mtrr[2].base, + dev_priv->mtrr[2].size, DRM_MTRR_WC); } else { DRM_ERROR("strange pci_resource_len %08lx\n", drm_get_resource_len(dev, 0)); } - } else if (chipset != S3_SUPERSAVAGE && chipset != S3_SAVAGE2000) { + } else if (dev_priv->chipset != S3_SUPERSAVAGE && + dev_priv->chipset != S3_SAVAGE2000) { mmio_base = drm_get_resource_start(dev, 0); fb_rsrc = 1; fb_base = drm_get_resource_start(dev, 1); @@ -609,9 +615,8 @@ int savage_preinit(drm_device_t * dev, unsigned long chipset) dev_priv->mtrr[0].base = fb_base; dev_priv->mtrr[0].size = 0x08000000; dev_priv->mtrr[0].handle = - mtrr_add(dev_priv->mtrr[0].base, - dev_priv->mtrr[0].size, MTRR_TYPE_WRCOMB, - 1); + drm_mtrr_add(dev_priv->mtrr[0].base, + dev_priv->mtrr[0].size, DRM_MTRR_WC); } else { DRM_ERROR("strange pci_resource_len %08lx\n", drm_get_resource_len(dev, 1)); @@ -648,16 +653,21 @@ int savage_preinit(drm_device_t * dev, unsigned long chipset) /* * Delete MTRRs and free device-private data. */ -int savage_postcleanup(drm_device_t * dev) +void savage_driver_lastclose(drm_device_t *dev) { drm_savage_private_t *dev_priv = dev->dev_private; int i; for (i = 0; i < 3; ++i) if (dev_priv->mtrr[i].handle >= 0) - mtrr_del(dev_priv->mtrr[i].handle, + drm_mtrr_del(dev_priv->mtrr[i].handle, dev_priv->mtrr[i].base, - dev_priv->mtrr[i].size); + dev_priv->mtrr[i].size, DRM_MTRR_WC); +} + +int savage_driver_unload(drm_device_t *dev) +{ + drm_savage_private_t *dev_priv = dev->dev_private; drm_free(dev_priv, sizeof(drm_savage_private_t), DRM_MEM_DRIVER); @@ -994,8 +1004,7 @@ static int savage_bci_event_wait(DRM_IOCTL_ARGS) * DMA buffer management */ -static int savage_bci_get_buffers(DRMFILE filp, drm_device_t * dev, - drm_dma_t * d) +static int savage_bci_get_buffers(DRMFILE filp, drm_device_t *dev, drm_dma_t *d) { drm_buf_t *buf; int i; @@ -1057,7 +1066,7 @@ int savage_bci_buffers(DRM_IOCTL_ARGS) return ret; } -void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp) +void savage_reclaim_buffers(drm_device_t *dev, DRMFILE filp) { drm_device_dma_t *dma = dev->dma; drm_savage_private_t *dev_priv = dev->dev_private; @@ -1090,10 +1099,10 @@ void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp) } drm_ioctl_desc_t savage_ioctls[] = { - [DRM_IOCTL_NR(DRM_SAVAGE_BCI_INIT)] = {savage_bci_init, 1, 1}, - [DRM_IOCTL_NR(DRM_SAVAGE_BCI_CMDBUF)] = {savage_bci_cmdbuf, 1, 0}, - [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_EMIT)] = {savage_bci_event_emit, 1, 0}, - [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_WAIT)] = {savage_bci_event_wait, 1, 0}, + [DRM_IOCTL_NR(DRM_SAVAGE_BCI_INIT)] = {savage_bci_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_SAVAGE_BCI_CMDBUF)] = {savage_bci_cmdbuf, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_EMIT)] = {savage_bci_event_emit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SAVAGE_BCI_EVENT_WAIT)] = {savage_bci_event_wait, DRM_AUTH}, }; int savage_max_ioctl = DRM_ARRAY_SIZE(savage_ioctls); diff --git a/drivers/char/drm/savage_drv.c b/drivers/char/drm/savage_drv.c index 22d799cde41..aa6c0d1a82f 100644 --- a/drivers/char/drm/savage_drv.c +++ b/drivers/char/drm/savage_drv.c @@ -30,31 +30,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { savage_PCI_IDS }; @@ -63,13 +38,13 @@ static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_PCI_DMA, .dev_priv_size = sizeof(drm_savage_buf_priv_t), - .preinit = savage_preinit, - .postinit = postinit, - .postcleanup = savage_postcleanup, + .load = savage_driver_load, + .firstopen = savage_driver_firstopen, + .lastclose = savage_driver_lastclose, + .unload = savage_driver_unload, .reclaim_buffers = savage_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .version = version, .ioctls = savage_ioctls, .dma_ioctl = savage_bci_buffers, .fops = { @@ -80,12 +55,19 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - } - , + }, + .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init savage_init(void) diff --git a/drivers/char/drm/savage_drv.h b/drivers/char/drm/savage_drv.h index a4b0fa998a9..dd46cb85439 100644 --- a/drivers/char/drm/savage_drv.h +++ b/drivers/char/drm/savage_drv.h @@ -1,5 +1,5 @@ -/* savage_drv.h -- Private header for the savage driver - * +/* savage_drv.h -- Private header for the savage driver */ +/* * Copyright 2004 Felix Kuehling * All Rights Reserved. * @@ -192,7 +192,7 @@ typedef struct drm_savage_private { /* Err, there is a macro wait_event in include/linux/wait.h. * Avoid unwanted macro expansion. */ void (*emit_clip_rect) (struct drm_savage_private * dev_priv, - drm_clip_rect_t * pbox); + const drm_clip_rect_t * pbox); void (*dma_flush) (struct drm_savage_private * dev_priv); } drm_savage_private_t; @@ -208,16 +208,18 @@ extern void savage_dma_reset(drm_savage_private_t * dev_priv); extern void savage_dma_wait(drm_savage_private_t * dev_priv, unsigned int page); extern uint32_t *savage_dma_alloc(drm_savage_private_t * dev_priv, unsigned int n); -extern int savage_preinit(drm_device_t * dev, unsigned long chipset); -extern int savage_postcleanup(drm_device_t * dev); +extern int savage_driver_load(drm_device_t *dev, unsigned long chipset); +extern int savage_driver_firstopen(drm_device_t *dev); +extern void savage_driver_lastclose(drm_device_t *dev); +extern int savage_driver_unload(drm_device_t *dev); extern int savage_do_cleanup_bci(drm_device_t * dev); extern void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp); /* state functions */ extern void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - drm_clip_rect_t * pbox); + const drm_clip_rect_t * pbox); extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - drm_clip_rect_t * pbox); + const drm_clip_rect_t * pbox); #define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */ #define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */ @@ -500,15 +502,6 @@ extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, #define BCI_WRITE( val ) *bci_ptr++ = (uint32_t)(val) -#define BCI_COPY_FROM_USER(src,n) do { \ - unsigned int i; \ - for (i = 0; i < n; ++i) { \ - uint32_t val; \ - DRM_GET_USER_UNCHECKED(val, &((uint32_t*)(src))[i]); \ - BCI_WRITE(val); \ - } \ -} while(0) - /* * command DMA support */ @@ -534,8 +527,8 @@ extern void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, #define DMA_WRITE( val ) *dma_ptr++ = (uint32_t)(val) -#define DMA_COPY_FROM_USER(src,n) do { \ - DRM_COPY_FROM_USER_UNCHECKED(dma_ptr, (src), (n)*4); \ +#define DMA_COPY(src, n) do { \ + memcpy(dma_ptr, (src), (n)*4); \ dma_ptr += n; \ } while(0) diff --git a/drivers/char/drm/savage_state.c b/drivers/char/drm/savage_state.c index e87a5d59b99..ef2581d1614 100644 --- a/drivers/char/drm/savage_state.c +++ b/drivers/char/drm/savage_state.c @@ -27,7 +27,7 @@ #include "savage_drv.h" void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, - drm_clip_rect_t * pbox) + const drm_clip_rect_t * pbox) { uint32_t scstart = dev_priv->state.s3d.new_scstart; uint32_t scend = dev_priv->state.s3d.new_scend; @@ -53,7 +53,7 @@ void savage_emit_clip_rect_s3d(drm_savage_private_t * dev_priv, } void savage_emit_clip_rect_s4(drm_savage_private_t * dev_priv, - drm_clip_rect_t * pbox) + const drm_clip_rect_t * pbox) { uint32_t drawctrl0 = dev_priv->state.s4.new_drawctrl0; uint32_t drawctrl1 = dev_priv->state.s4.new_drawctrl1; @@ -115,18 +115,19 @@ static int savage_verify_texaddr(drm_savage_private_t * dev_priv, int unit, #define SAVE_STATE(reg,where) \ if(start <= reg && start+count > reg) \ - DRM_GET_USER_UNCHECKED(dev_priv->state.where, ®s[reg-start]) + dev_priv->state.where = regs[reg - start] #define SAVE_STATE_MASK(reg,where,mask) do { \ if(start <= reg && start+count > reg) { \ uint32_t tmp; \ - DRM_GET_USER_UNCHECKED(tmp, ®s[reg-start]); \ + tmp = regs[reg - start]; \ dev_priv->state.where = (tmp & (mask)) | \ (dev_priv->state.where & ~(mask)); \ } \ } while (0) + static int savage_verify_state_s3d(drm_savage_private_t * dev_priv, unsigned int start, unsigned int count, - const uint32_t __user * regs) + const uint32_t *regs) { if (start < SAVAGE_TEXPALADDR_S3D || start + count - 1 > SAVAGE_DESTTEXRWWATERMARK_S3D) { @@ -148,8 +149,7 @@ static int savage_verify_state_s3d(drm_savage_private_t * dev_priv, SAVE_STATE(SAVAGE_TEXADDR_S3D, s3d.texaddr); if (dev_priv->state.s3d.texctrl & SAVAGE_TEXCTRL_TEXEN_MASK) return savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s3d. - texaddr); + dev_priv->state.s3d.texaddr); } return 0; @@ -157,7 +157,7 @@ static int savage_verify_state_s3d(drm_savage_private_t * dev_priv, static int savage_verify_state_s4(drm_savage_private_t * dev_priv, unsigned int start, unsigned int count, - const uint32_t __user * regs) + const uint32_t *regs) { int ret = 0; @@ -174,19 +174,18 @@ static int savage_verify_state_s4(drm_savage_private_t * dev_priv, ~SAVAGE_SCISSOR_MASK_S4); /* if any texture regs were changed ... */ - if (start <= SAVAGE_TEXDESCR_S4 && start + count > SAVAGE_TEXPALADDR_S4) { + if (start <= SAVAGE_TEXDESCR_S4 && + start + count > SAVAGE_TEXPALADDR_S4) { /* ... check texture state */ SAVE_STATE(SAVAGE_TEXDESCR_S4, s4.texdescr); SAVE_STATE(SAVAGE_TEXADDR0_S4, s4.texaddr0); SAVE_STATE(SAVAGE_TEXADDR1_S4, s4.texaddr1); if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX0EN_MASK) - ret |= - savage_verify_texaddr(dev_priv, 0, - dev_priv->state.s4.texaddr0); + ret |= savage_verify_texaddr(dev_priv, 0, + dev_priv->state.s4.texaddr0); if (dev_priv->state.s4.texdescr & SAVAGE_TEXDESCR_TEX1EN_MASK) - ret |= - savage_verify_texaddr(dev_priv, 1, - dev_priv->state.s4.texaddr1); + ret |= savage_verify_texaddr(dev_priv, 1, + dev_priv->state.s4.texaddr1); } return ret; @@ -197,7 +196,7 @@ static int savage_verify_state_s4(drm_savage_private_t * dev_priv, static int savage_dispatch_state(drm_savage_private_t * dev_priv, const drm_savage_cmd_header_t * cmd_header, - const uint32_t __user * regs) + const uint32_t *regs) { unsigned int count = cmd_header->state.count; unsigned int start = cmd_header->state.start; @@ -209,9 +208,6 @@ static int savage_dispatch_state(drm_savage_private_t * dev_priv, if (!count) return 0; - if (DRM_VERIFYAREA_READ(regs, count * 4)) - return DRM_ERR(EFAULT); - if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { ret = savage_verify_state_s3d(dev_priv, start, count, regs); if (ret != 0) @@ -236,8 +232,8 @@ static int savage_dispatch_state(drm_savage_private_t * dev_priv, /* scissor regs are emitted in savage_dispatch_draw */ if (start < SAVAGE_DRAWCTRL0_S4) { if (start + count > SAVAGE_DRAWCTRL1_S4 + 1) - count2 = - count - (SAVAGE_DRAWCTRL1_S4 + 1 - start); + count2 = count - + (SAVAGE_DRAWCTRL1_S4 + 1 - start); if (start + count > SAVAGE_DRAWCTRL0_S4) count = SAVAGE_DRAWCTRL0_S4 - start; } else if (start <= SAVAGE_DRAWCTRL1_S4) { @@ -263,7 +259,7 @@ static int savage_dispatch_state(drm_savage_private_t * dev_priv, while (count > 0) { unsigned int n = count < 255 ? count : 255; DMA_SET_REGISTERS(start, n); - DMA_COPY_FROM_USER(regs, n); + DMA_COPY(regs, n); count -= n; start += n; regs += n; @@ -421,8 +417,8 @@ static int savage_dispatch_dma_prim(drm_savage_private_t * dev_priv, static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, const drm_savage_cmd_header_t * cmd_header, - const uint32_t __user * vtxbuf, - unsigned int vb_size, unsigned int vb_stride) + const uint32_t *vtxbuf, unsigned int vb_size, + unsigned int vb_stride) { unsigned char reorder = 0; unsigned int prim = cmd_header->prim.prim; @@ -507,8 +503,7 @@ static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, for (i = start; i < start + count; ++i) { unsigned int j = i + reorder[i % 3]; - DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j], - vtx_size); + DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); } DMA_COMMIT(); @@ -517,13 +512,12 @@ static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, DMA_DRAW_PRIMITIVE(count, prim, skip); if (vb_stride == vtx_size) { - DMA_COPY_FROM_USER(&vtxbuf[vb_stride * start], - vtx_size * count); + DMA_COPY(&vtxbuf[vb_stride * start], + vtx_size * count); } else { for (i = start; i < start + count; ++i) { - DMA_COPY_FROM_USER(&vtxbuf - [vb_stride * i], - vtx_size); + DMA_COPY(&vtxbuf [vb_stride * i], + vtx_size); } } @@ -541,7 +535,7 @@ static int savage_dispatch_vb_prim(drm_savage_private_t * dev_priv, static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, const drm_savage_cmd_header_t * cmd_header, - const uint16_t __user * usr_idx, + const uint16_t *idx, const drm_buf_t * dmabuf) { unsigned char reorder = 0; @@ -628,11 +622,8 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, while (n != 0) { /* Can emit up to 255 indices (85 triangles) at once. */ unsigned int count = n > 255 ? 255 : n; - /* Is it ok to allocate 510 bytes on the stack in an ioctl? */ - uint16_t idx[255]; - /* Copy and check indices */ - DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count * 2); + /* check indices */ for (i = 0; i < count; ++i) { if (idx[i] > dmabuf->total / 32) { DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", @@ -652,8 +643,8 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, for (i = 1; i + 1 < count; i += 2) BCI_WRITE(idx[i + reorder[i % 3]] | - (idx[i + 1 + reorder[(i + 1) % 3]] << - 16)); + (idx[i + 1 + + reorder[(i + 1) % 3]] << 16)); if (i < count) BCI_WRITE(idx[i + reorder[i % 3]]); } else if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) { @@ -674,7 +665,7 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, BCI_WRITE(idx[i]); } - usr_idx += count; + idx += count; n -= count; prim |= BCI_CMD_DRAW_CONT; @@ -685,8 +676,8 @@ static int savage_dispatch_dma_idx(drm_savage_private_t * dev_priv, static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, const drm_savage_cmd_header_t * cmd_header, - const uint16_t __user * usr_idx, - const uint32_t __user * vtxbuf, + const uint16_t *idx, + const uint32_t *vtxbuf, unsigned int vb_size, unsigned int vb_stride) { unsigned char reorder = 0; @@ -751,11 +742,8 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, while (n != 0) { /* Can emit up to 255 vertices (85 triangles) at once. */ unsigned int count = n > 255 ? 255 : n; - /* Is it ok to allocate 510 bytes on the stack in an ioctl? */ - uint16_t idx[255]; - - /* Copy and check indices */ - DRM_COPY_FROM_USER_UNCHECKED(idx, usr_idx, count * 2); + + /* Check indices */ for (i = 0; i < count; ++i) { if (idx[i] > vb_size / (vb_stride * 4)) { DRM_ERROR("idx[%u]=%u out of range (0-%u)\n", @@ -775,8 +763,7 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, for (i = 0; i < count; ++i) { unsigned int j = idx[i + reorder[i % 3]]; - DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j], - vtx_size); + DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); } DMA_COMMIT(); @@ -786,14 +773,13 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, for (i = 0; i < count; ++i) { unsigned int j = idx[i]; - DMA_COPY_FROM_USER(&vtxbuf[vb_stride * j], - vtx_size); + DMA_COPY(&vtxbuf[vb_stride * j], vtx_size); } DMA_COMMIT(); } - usr_idx += count; + idx += count; n -= count; prim |= BCI_CMD_DRAW_CONT; @@ -804,11 +790,11 @@ static int savage_dispatch_vb_idx(drm_savage_private_t * dev_priv, static int savage_dispatch_clear(drm_savage_private_t * dev_priv, const drm_savage_cmd_header_t * cmd_header, - const drm_savage_cmd_header_t __user * data, + const drm_savage_cmd_header_t *data, unsigned int nbox, - const drm_clip_rect_t __user * usr_boxes) + const drm_clip_rect_t *boxes) { - unsigned int flags = cmd_header->clear0.flags, mask, value; + unsigned int flags = cmd_header->clear0.flags; unsigned int clear_cmd; unsigned int i, nbufs; DMA_LOCALS; @@ -816,9 +802,6 @@ static int savage_dispatch_clear(drm_savage_private_t * dev_priv, if (nbox == 0) return 0; - DRM_GET_USER_UNCHECKED(mask, &data->clear1.mask); - DRM_GET_USER_UNCHECKED(value, &data->clear1.value); - clear_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW; BCI_CMD_SET_ROP(clear_cmd, 0xCC); @@ -828,21 +811,19 @@ static int savage_dispatch_clear(drm_savage_private_t * dev_priv, if (nbufs == 0) return 0; - if (mask != 0xffffffff) { + if (data->clear1.mask != 0xffffffff) { /* set mask */ BEGIN_DMA(2); DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); - DMA_WRITE(mask); + DMA_WRITE(data->clear1.mask); DMA_COMMIT(); } for (i = 0; i < nbox; ++i) { - drm_clip_rect_t box; unsigned int x, y, w, h; unsigned int buf; - DRM_COPY_FROM_USER_UNCHECKED(&box, &usr_boxes[i], sizeof(box)); - x = box.x1, y = box.y1; - w = box.x2 - box.x1; - h = box.y2 - box.y1; + x = boxes[i].x1, y = boxes[i].y1; + w = boxes[i].x2 - boxes[i].x1; + h = boxes[i].y2 - boxes[i].y1; BEGIN_DMA(nbufs * 6); for (buf = SAVAGE_FRONT; buf <= SAVAGE_DEPTH; buf <<= 1) { if (!(flags & buf)) @@ -862,13 +843,13 @@ static int savage_dispatch_clear(drm_savage_private_t * dev_priv, DMA_WRITE(dev_priv->depth_bd); break; } - DMA_WRITE(value); + DMA_WRITE(data->clear1.value); DMA_WRITE(BCI_X_Y(x, y)); DMA_WRITE(BCI_W_H(w, h)); } DMA_COMMIT(); } - if (mask != 0xffffffff) { + if (data->clear1.mask != 0xffffffff) { /* reset mask */ BEGIN_DMA(2); DMA_SET_REGISTERS(SAVAGE_BITPLANEWTMASK, 1); @@ -880,8 +861,7 @@ static int savage_dispatch_clear(drm_savage_private_t * dev_priv, } static int savage_dispatch_swap(drm_savage_private_t * dev_priv, - unsigned int nbox, - const drm_clip_rect_t __user * usr_boxes) + unsigned int nbox, const drm_clip_rect_t *boxes) { unsigned int swap_cmd; unsigned int i; @@ -895,16 +875,14 @@ static int savage_dispatch_swap(drm_savage_private_t * dev_priv, BCI_CMD_SET_ROP(swap_cmd, 0xCC); for (i = 0; i < nbox; ++i) { - drm_clip_rect_t box; - DRM_COPY_FROM_USER_UNCHECKED(&box, &usr_boxes[i], sizeof(box)); - BEGIN_DMA(6); DMA_WRITE(swap_cmd); DMA_WRITE(dev_priv->back_offset); DMA_WRITE(dev_priv->back_bd); - DMA_WRITE(BCI_X_Y(box.x1, box.y1)); - DMA_WRITE(BCI_X_Y(box.x1, box.y1)); - DMA_WRITE(BCI_W_H(box.x2 - box.x1, box.y2 - box.y1)); + DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); + DMA_WRITE(BCI_X_Y(boxes[i].x1, boxes[i].y1)); + DMA_WRITE(BCI_W_H(boxes[i].x2 - boxes[i].x1, + boxes[i].y2 - boxes[i].y1)); DMA_COMMIT(); } @@ -912,68 +890,52 @@ static int savage_dispatch_swap(drm_savage_private_t * dev_priv, } static int savage_dispatch_draw(drm_savage_private_t * dev_priv, - const drm_savage_cmd_header_t __user * start, - const drm_savage_cmd_header_t __user * end, + const drm_savage_cmd_header_t *start, + const drm_savage_cmd_header_t *end, const drm_buf_t * dmabuf, - const unsigned int __user * usr_vtxbuf, + const unsigned int *vtxbuf, unsigned int vb_size, unsigned int vb_stride, unsigned int nbox, - const drm_clip_rect_t __user * usr_boxes) + const drm_clip_rect_t *boxes) { unsigned int i, j; int ret; for (i = 0; i < nbox; ++i) { - drm_clip_rect_t box; - const drm_savage_cmd_header_t __user *usr_cmdbuf; - DRM_COPY_FROM_USER_UNCHECKED(&box, &usr_boxes[i], sizeof(box)); - dev_priv->emit_clip_rect(dev_priv, &box); + const drm_savage_cmd_header_t *cmdbuf; + dev_priv->emit_clip_rect(dev_priv, &boxes[i]); - usr_cmdbuf = start; - while (usr_cmdbuf < end) { + cmdbuf = start; + while (cmdbuf < end) { drm_savage_cmd_header_t cmd_header; - DRM_COPY_FROM_USER_UNCHECKED(&cmd_header, usr_cmdbuf, - sizeof(cmd_header)); - usr_cmdbuf++; + cmd_header = *cmdbuf; + cmdbuf++; switch (cmd_header.cmd.cmd) { case SAVAGE_CMD_DMA_PRIM: - ret = - savage_dispatch_dma_prim(dev_priv, - &cmd_header, - dmabuf); + ret = savage_dispatch_dma_prim( + dev_priv, &cmd_header, dmabuf); break; case SAVAGE_CMD_VB_PRIM: - ret = - savage_dispatch_vb_prim(dev_priv, - &cmd_header, - (const uint32_t - __user *) - usr_vtxbuf, vb_size, - vb_stride); + ret = savage_dispatch_vb_prim( + dev_priv, &cmd_header, + vtxbuf, vb_size, vb_stride); break; case SAVAGE_CMD_DMA_IDX: j = (cmd_header.idx.count + 3) / 4; /* j was check in savage_bci_cmdbuf */ - ret = - savage_dispatch_dma_idx(dev_priv, - &cmd_header, - (const uint16_t - __user *) - usr_cmdbuf, dmabuf); - usr_cmdbuf += j; + ret = savage_dispatch_dma_idx(dev_priv, + &cmd_header, (const uint16_t *)cmdbuf, + dmabuf); + cmdbuf += j; break; case SAVAGE_CMD_VB_IDX: j = (cmd_header.idx.count + 3) / 4; /* j was check in savage_bci_cmdbuf */ - ret = - savage_dispatch_vb_idx(dev_priv, - &cmd_header, - (const uint16_t - __user *)usr_cmdbuf, - (const uint32_t - __user *)usr_vtxbuf, - vb_size, vb_stride); - usr_cmdbuf += j; + ret = savage_dispatch_vb_idx(dev_priv, + &cmd_header, (const uint16_t *)cmdbuf, + (const uint32_t *)vtxbuf, vb_size, + vb_stride); + cmdbuf += j; break; default: /* What's the best return code? EFAULT? */ @@ -998,10 +960,10 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) drm_device_dma_t *dma = dev->dma; drm_buf_t *dmabuf; drm_savage_cmdbuf_t cmdbuf; - drm_savage_cmd_header_t __user *usr_cmdbuf; - drm_savage_cmd_header_t __user *first_draw_cmd; - unsigned int __user *usr_vtxbuf; - drm_clip_rect_t __user *usr_boxes; + drm_savage_cmd_header_t *kcmd_addr = NULL; + drm_savage_cmd_header_t *first_draw_cmd; + unsigned int *kvb_addr = NULL; + drm_clip_rect_t *kbox_addr = NULL; unsigned int i, j; int ret = 0; @@ -1024,15 +986,53 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) dmabuf = NULL; } - usr_cmdbuf = (drm_savage_cmd_header_t __user *) cmdbuf.cmd_addr; - usr_vtxbuf = (unsigned int __user *)cmdbuf.vb_addr; - usr_boxes = (drm_clip_rect_t __user *) cmdbuf.box_addr; - if ((cmdbuf.size && DRM_VERIFYAREA_READ(usr_cmdbuf, cmdbuf.size * 8)) || - (cmdbuf.vb_size && DRM_VERIFYAREA_READ(usr_vtxbuf, cmdbuf.vb_size)) - || (cmdbuf.nbox - && DRM_VERIFYAREA_READ(usr_boxes, - cmdbuf.nbox * sizeof(drm_clip_rect_t)))) - return DRM_ERR(EFAULT); + /* Copy the user buffers into kernel temporary areas. This hasn't been + * a performance loss compared to VERIFYAREA_READ/ + * COPY_FROM_USER_UNCHECKED when done in other drivers, and is correct + * for locking on FreeBSD. + */ + if (cmdbuf.size) { + kcmd_addr = drm_alloc(cmdbuf.size * 8, DRM_MEM_DRIVER); + if (kcmd_addr == NULL) + return ENOMEM; + + if (DRM_COPY_FROM_USER(kcmd_addr, cmdbuf.cmd_addr, + cmdbuf.size * 8)) + { + drm_free(kcmd_addr, cmdbuf.size * 8, DRM_MEM_DRIVER); + return DRM_ERR(EFAULT); + } + cmdbuf.cmd_addr = kcmd_addr; + } + if (cmdbuf.vb_size) { + kvb_addr = drm_alloc(cmdbuf.vb_size, DRM_MEM_DRIVER); + if (kvb_addr == NULL) { + ret = DRM_ERR(ENOMEM); + goto done; + } + + if (DRM_COPY_FROM_USER(kvb_addr, cmdbuf.vb_addr, + cmdbuf.vb_size)) { + ret = DRM_ERR(EFAULT); + goto done; + } + cmdbuf.vb_addr = kvb_addr; + } + if (cmdbuf.nbox) { + kbox_addr = drm_alloc(cmdbuf.nbox * sizeof(drm_clip_rect_t), + DRM_MEM_DRIVER); + if (kbox_addr == NULL) { + ret = DRM_ERR(ENOMEM); + goto done; + } + + if (DRM_COPY_FROM_USER(kbox_addr, cmdbuf.box_addr, + cmdbuf.nbox * sizeof(drm_clip_rect_t))) { + ret = DRM_ERR(EFAULT); + goto done; + } + cmdbuf.box_addr = kbox_addr; + } /* Make sure writes to DMA buffers are finished before sending * DMA commands to the graphics hardware. */ @@ -1046,9 +1046,8 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) first_draw_cmd = NULL; while (i < cmdbuf.size) { drm_savage_cmd_header_t cmd_header; - DRM_COPY_FROM_USER_UNCHECKED(&cmd_header, usr_cmdbuf, - sizeof(cmd_header)); - usr_cmdbuf++; + cmd_header = *(drm_savage_cmd_header_t *)cmdbuf.cmd_addr; + cmdbuf.cmd_addr++; i++; /* Group drawing commands with same state to minimize @@ -1068,21 +1067,18 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) case SAVAGE_CMD_DMA_PRIM: case SAVAGE_CMD_VB_PRIM: if (!first_draw_cmd) - first_draw_cmd = usr_cmdbuf - 1; - usr_cmdbuf += j; + first_draw_cmd = cmdbuf.cmd_addr - 1; + cmdbuf.cmd_addr += j; i += j; break; default: if (first_draw_cmd) { - ret = - savage_dispatch_draw(dev_priv, - first_draw_cmd, - usr_cmdbuf - 1, dmabuf, - usr_vtxbuf, - cmdbuf.vb_size, - cmdbuf.vb_stride, - cmdbuf.nbox, - usr_boxes); + ret = savage_dispatch_draw( + dev_priv, first_draw_cmd, + cmdbuf.cmd_addr - 1, + dmabuf, cmdbuf.vb_addr, cmdbuf.vb_size, + cmdbuf.vb_stride, + cmdbuf.nbox, cmdbuf.box_addr); if (ret != 0) return ret; first_draw_cmd = NULL; @@ -1098,12 +1094,12 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) DRM_ERROR("command SAVAGE_CMD_STATE extends " "beyond end of command buffer\n"); DMA_FLUSH(); - return DRM_ERR(EINVAL); + ret = DRM_ERR(EINVAL); + goto done; } ret = savage_dispatch_state(dev_priv, &cmd_header, - (uint32_t __user *) - usr_cmdbuf); - usr_cmdbuf += j; + (const uint32_t *)cmdbuf.cmd_addr); + cmdbuf.cmd_addr += j; i += j; break; case SAVAGE_CMD_CLEAR: @@ -1111,39 +1107,40 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) DRM_ERROR("command SAVAGE_CMD_CLEAR extends " "beyond end of command buffer\n"); DMA_FLUSH(); - return DRM_ERR(EINVAL); + ret = DRM_ERR(EINVAL); + goto done; } ret = savage_dispatch_clear(dev_priv, &cmd_header, - usr_cmdbuf, - cmdbuf.nbox, usr_boxes); - usr_cmdbuf++; + cmdbuf.cmd_addr, + cmdbuf.nbox, cmdbuf.box_addr); + cmdbuf.cmd_addr++; i++; break; case SAVAGE_CMD_SWAP: - ret = savage_dispatch_swap(dev_priv, - cmdbuf.nbox, usr_boxes); + ret = savage_dispatch_swap(dev_priv, cmdbuf.nbox, + cmdbuf.box_addr); break; default: DRM_ERROR("invalid command 0x%x\n", cmd_header.cmd.cmd); DMA_FLUSH(); - return DRM_ERR(EINVAL); + ret = DRM_ERR(EINVAL); + goto done; } if (ret != 0) { DMA_FLUSH(); - return ret; + goto done; } } if (first_draw_cmd) { - ret = - savage_dispatch_draw(dev_priv, first_draw_cmd, usr_cmdbuf, - dmabuf, usr_vtxbuf, cmdbuf.vb_size, - cmdbuf.vb_stride, cmdbuf.nbox, - usr_boxes); + ret = savage_dispatch_draw ( + dev_priv, first_draw_cmd, cmdbuf.cmd_addr, dmabuf, + cmdbuf.vb_addr, cmdbuf.vb_size, cmdbuf.vb_stride, + cmdbuf.nbox, cmdbuf.box_addr); if (ret != 0) { DMA_FLUSH(); - return ret; + goto done; } } @@ -1157,5 +1154,12 @@ int savage_bci_cmdbuf(DRM_IOCTL_ARGS) savage_freelist_put(dev, dmabuf); } - return 0; +done: + /* If we didn't need to allocate them, these'll be NULL */ + drm_free(kcmd_addr, cmdbuf.size * 8, DRM_MEM_DRIVER); + drm_free(kvb_addr, cmdbuf.vb_size, DRM_MEM_DRIVER); + drm_free(kbox_addr, cmdbuf.nbox * sizeof(drm_clip_rect_t), + DRM_MEM_DRIVER); + + return ret; } diff --git a/drivers/char/drm/sis_drm.h b/drivers/char/drm/sis_drm.h index 8f273da76dd..30f7b382746 100644 --- a/drivers/char/drm/sis_drm.h +++ b/drivers/char/drm/sis_drm.h @@ -1,3 +1,28 @@ +/* sis_drv.h -- Private header for sis driver -*- linux-c -*- */ +/* + * Copyright 2005 Eric Anholt + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ #ifndef __SIS_DRM_H__ #define __SIS_DRM_H__ diff --git a/drivers/char/drm/sis_drv.c b/drivers/char/drm/sis_drv.c index 3cef10643a8..6f6d7d613ed 100644 --- a/drivers/char/drm/sis_drv.c +++ b/drivers/char/drm/sis_drv.c @@ -32,31 +32,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { sisdrv_PCI_IDS }; @@ -68,8 +43,6 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .ioctls = sis_ioctls, .fops = { .owner = THIS_MODULE, @@ -79,11 +52,18 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - }, + }, .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init sis_init(void) diff --git a/drivers/char/drm/sis_drv.h b/drivers/char/drm/sis_drv.h index b1fddad83a9..e218e526950 100644 --- a/drivers/char/drm/sis_drv.h +++ b/drivers/char/drm/sis_drv.h @@ -1,5 +1,5 @@ -/* sis_drv.h -- Private header for sis driver -*- linux-c -*- - * +/* sis_drv.h -- Private header for sis driver -*- linux-c -*- */ +/* * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All rights reserved. diff --git a/drivers/char/drm/sis_ds.h b/drivers/char/drm/sis_ds.h index da850b4f544..94f2b4728b6 100644 --- a/drivers/char/drm/sis_ds.h +++ b/drivers/char/drm/sis_ds.h @@ -1,6 +1,7 @@ -/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- +/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw - * + */ +/* * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. * All rights reserved. * @@ -35,7 +36,7 @@ #define SET_SIZE 5000 -typedef unsigned int ITEM_TYPE; +typedef unsigned long ITEM_TYPE; typedef struct { ITEM_TYPE val; diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c index a8529728fa6..6774d2fe345 100644 --- a/drivers/char/drm/sis_mm.c +++ b/drivers/char/drm/sis_mm.c @@ -86,7 +86,7 @@ static int sis_fb_alloc(DRM_IOCTL_ARGS) { drm_sis_mem_t fb; struct sis_memreq req; - drm_sis_mem_t __user *argp = (void __user *)data; + drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data; int retval = 0; DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb)); @@ -110,7 +110,7 @@ static int sis_fb_alloc(DRM_IOCTL_ARGS) DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb)); - DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, req.offset); + DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); return retval; } @@ -127,9 +127,9 @@ static int sis_fb_free(DRM_IOCTL_ARGS) if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) retval = DRM_ERR(EINVAL); - sis_free((u32) fb.free); + sis_free(fb.free); - DRM_DEBUG("free fb, offset = %lu\n", fb.free); + DRM_DEBUG("free fb, offset = 0x%lx\n", fb.free); return retval; } @@ -176,7 +176,7 @@ static int sis_fb_alloc(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t __user *argp = (void __user *)data; + drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data; drm_sis_mem_t fb; PMemBlock block; int retval = 0; @@ -267,7 +267,7 @@ static int sis_ioctl_agp_alloc(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_sis_private_t *dev_priv = dev->dev_private; - drm_sis_mem_t __user *argp = (void __user *)data; + drm_sis_mem_t __user *argp = (drm_sis_mem_t __user *)data; drm_sis_mem_t agp; PMemBlock block; int retval = 0; @@ -367,7 +367,7 @@ int sis_final_context(struct drm_device *dev, int context) if (i < MAX_CONTEXT) { set_t *set; - unsigned int item; + ITEM_TYPE item; int retval; DRM_DEBUG("find socket %d, context = %d\n", i, context); @@ -376,7 +376,7 @@ int sis_final_context(struct drm_device *dev, int context) set = global_ppriv[i].sets[0]; retval = setFirst(set, &item); while (retval) { - DRM_DEBUG("free video memory 0x%x\n", item); + DRM_DEBUG("free video memory 0x%lx\n", item); #if defined(__linux__) && defined(CONFIG_FB_SIS) sis_free(item); #else @@ -390,7 +390,7 @@ int sis_final_context(struct drm_device *dev, int context) set = global_ppriv[i].sets[1]; retval = setFirst(set, &item); while (retval) { - DRM_DEBUG("free agp memory 0x%x\n", item); + DRM_DEBUG("free agp memory 0x%lx\n", item); mmFreeMem((PMemBlock) item); retval = setNext(set, &item); } @@ -403,12 +403,12 @@ int sis_final_context(struct drm_device *dev, int context) } drm_ioctl_desc_t sis_ioctls[] = { - [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, 1, 0}, - [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, 1, 1}, - [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, 1, 0}, - [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, 1, 1} + [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY} }; int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls); diff --git a/drivers/char/drm/tdfx_drv.c b/drivers/char/drm/tdfx_drv.c index c275cbb6e9c..baa4416032a 100644 --- a/drivers/char/drm/tdfx_drv.c +++ b/drivers/char/drm/tdfx_drv.c @@ -36,31 +36,6 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) -{ - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; -} - static struct pci_device_id pciidlist[] = { tdfx_PCI_IDS }; @@ -70,8 +45,6 @@ static struct drm_driver driver = { .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, .fops = { .owner = THIS_MODULE, .open = drm_open, @@ -80,11 +53,18 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - }, + }, .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init tdfx_init(void) diff --git a/drivers/char/drm/tdfx_drv.h b/drivers/char/drm/tdfx_drv.h index a582a3db4c7..84204ec1b04 100644 --- a/drivers/char/drm/tdfx_drv.h +++ b/drivers/char/drm/tdfx_drv.h @@ -1,6 +1,7 @@ /* tdfx.h -- 3dfx DRM template customization -*- linux-c -*- * Created: Wed Feb 14 12:32:32 2001 by gareth@valinux.com - * + */ +/* * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * @@ -30,10 +31,6 @@ #ifndef __TDFX_H__ #define __TDFX_H__ -/* This remains constant for all DRM template files. - */ -#define DRM(x) tdfx_##x - /* General customization: */ diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index d4b1766608b..593c0b8f650 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -213,7 +213,9 @@ static int via_initialize(drm_device_t * dev, dev_priv->dma_wrap = init->size; dev_priv->dma_offset = init->offset; dev_priv->last_pause_ptr = NULL; - dev_priv->hw_addr_ptr = dev_priv->mmio->handle + init->reg_pause_addr; + dev_priv->hw_addr_ptr = + (volatile uint32_t *)((char *)dev_priv->mmio->handle + + init->reg_pause_addr); via_cmdbuf_start(dev_priv); @@ -232,13 +234,13 @@ int via_dma_init(DRM_IOCTL_ARGS) switch (init.func) { case VIA_INIT_DMA: - if (!capable(CAP_SYS_ADMIN)) + if (!DRM_SUSER(DRM_CURPROC)) retcode = DRM_ERR(EPERM); else retcode = via_initialize(dev, dev_priv, &init); break; case VIA_CLEANUP_DMA: - if (!capable(CAP_SYS_ADMIN)) + if (!DRM_SUSER(DRM_CURPROC)) retcode = DRM_ERR(EPERM); else retcode = via_dma_cleanup(dev); @@ -349,9 +351,6 @@ int via_cmdbuffer(DRM_IOCTL_ARGS) return 0; } -extern int -via_parse_command_stream(drm_device_t * dev, const uint32_t * buf, - unsigned int size); static int via_dispatch_pci_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd) { @@ -450,9 +449,9 @@ static int via_hook_segment(drm_via_private_t * dev_priv, if ((count <= 8) && (count >= 0)) { uint32_t rgtr, ptr; rgtr = *(dev_priv->hw_addr_ptr); - ptr = ((char *)dev_priv->last_pause_ptr - dev_priv->dma_ptr) + - dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4 - - CMDBUF_ALIGNMENT_SIZE; + ptr = ((volatile char *)dev_priv->last_pause_ptr - + dev_priv->dma_ptr) + dev_priv->dma_offset + + (uint32_t) dev_priv->agpAddr + 4 - CMDBUF_ALIGNMENT_SIZE; if (rgtr <= ptr) { DRM_ERROR ("Command regulator\npaused at count %d, address %x, " @@ -472,7 +471,7 @@ static int via_hook_segment(drm_via_private_t * dev_priv, && count--) ; rgtr = *(dev_priv->hw_addr_ptr); - ptr = ((char *)paused_at - dev_priv->dma_ptr) + + ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) + dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4; ptr_low = (ptr > 3 * CMDBUF_ALIGNMENT_SIZE) ? @@ -724,3 +723,22 @@ int via_cmdbuf_size(DRM_IOCTL_ARGS) sizeof(d_siz)); return ret; } + +drm_ioctl_desc_t via_ioctls[] = { + [DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, DRM_AUTH|DRM_MASTER}, + [DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, DRM_AUTH|DRM_MASTER}, + [DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, DRM_AUTH|DRM_MASTER}, + [DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_DMA_BLIT)] = {via_dma_blit, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_VIA_BLIT_SYNC)] = {via_dma_blit_sync, DRM_AUTH} +}; + +int via_max_ioctl = DRM_ARRAY_SIZE(via_ioctls); diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c new file mode 100644 index 00000000000..9d5e027dae0 --- /dev/null +++ b/drivers/char/drm/via_dmablit.c @@ -0,0 +1,805 @@ +/* via_dmablit.c -- PCI DMA BitBlt support for the VIA Unichrome/Pro + * + * Copyright (C) 2005 Thomas Hellstrom, All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Hellstrom. + * Partially based on code obtained from Digeo Inc. + */ + + +/* + * Unmaps the DMA mappings. + * FIXME: Is this a NoOp on x86? Also + * FIXME: What happens if this one is called and a pending blit has previously done + * the same DMA mappings? + */ + +#include "drmP.h" +#include "via_drm.h" +#include "via_drv.h" +#include "via_dmablit.h" + +#include <linux/pagemap.h> + +#define VIA_PGDN(x) (((unsigned long)(x)) & PAGE_MASK) +#define VIA_PGOFF(x) (((unsigned long)(x)) & ~PAGE_MASK) +#define VIA_PFN(x) ((unsigned long)(x) >> PAGE_SHIFT) + +typedef struct _drm_via_descriptor { + uint32_t mem_addr; + uint32_t dev_addr; + uint32_t size; + uint32_t next; +} drm_via_descriptor_t; + + +/* + * Unmap a DMA mapping. + */ + + + +static void +via_unmap_blit_from_device(struct pci_dev *pdev, drm_via_sg_info_t *vsg) +{ + int num_desc = vsg->num_desc; + unsigned cur_descriptor_page = num_desc / vsg->descriptors_per_page; + unsigned descriptor_this_page = num_desc % vsg->descriptors_per_page; + drm_via_descriptor_t *desc_ptr = vsg->desc_pages[cur_descriptor_page] + + descriptor_this_page; + dma_addr_t next = vsg->chain_start; + + while(num_desc--) { + if (descriptor_this_page-- == 0) { + cur_descriptor_page--; + descriptor_this_page = vsg->descriptors_per_page - 1; + desc_ptr = vsg->desc_pages[cur_descriptor_page] + + descriptor_this_page; + } + dma_unmap_single(&pdev->dev, next, sizeof(*desc_ptr), DMA_TO_DEVICE); + dma_unmap_page(&pdev->dev, desc_ptr->mem_addr, desc_ptr->size, vsg->direction); + next = (dma_addr_t) desc_ptr->next; + desc_ptr--; + } +} + +/* + * If mode = 0, count how many descriptors are needed. + * If mode = 1, Map the DMA pages for the device, put together and map also the descriptors. + * Descriptors are run in reverse order by the hardware because we are not allowed to update the + * 'next' field without syncing calls when the descriptor is already mapped. + */ + +static void +via_map_blit_for_device(struct pci_dev *pdev, + const drm_via_dmablit_t *xfer, + drm_via_sg_info_t *vsg, + int mode) +{ + unsigned cur_descriptor_page = 0; + unsigned num_descriptors_this_page = 0; + unsigned char *mem_addr = xfer->mem_addr; + unsigned char *cur_mem; + unsigned char *first_addr = (unsigned char *)VIA_PGDN(mem_addr); + uint32_t fb_addr = xfer->fb_addr; + uint32_t cur_fb; + unsigned long line_len; + unsigned remaining_len; + int num_desc = 0; + int cur_line; + dma_addr_t next = 0 | VIA_DMA_DPR_EC; + drm_via_descriptor_t *desc_ptr = 0; + + if (mode == 1) + desc_ptr = vsg->desc_pages[cur_descriptor_page]; + + for (cur_line = 0; cur_line < xfer->num_lines; ++cur_line) { + + line_len = xfer->line_length; + cur_fb = fb_addr; + cur_mem = mem_addr; + + while (line_len > 0) { + + remaining_len = min(PAGE_SIZE-VIA_PGOFF(cur_mem), line_len); + line_len -= remaining_len; + + if (mode == 1) { + desc_ptr->mem_addr = + dma_map_page(&pdev->dev, + vsg->pages[VIA_PFN(cur_mem) - + VIA_PFN(first_addr)], + VIA_PGOFF(cur_mem), remaining_len, + vsg->direction); + desc_ptr->dev_addr = cur_fb; + + desc_ptr->size = remaining_len; + desc_ptr->next = (uint32_t) next; + next = dma_map_single(&pdev->dev, desc_ptr, sizeof(*desc_ptr), + DMA_TO_DEVICE); + desc_ptr++; + if (++num_descriptors_this_page >= vsg->descriptors_per_page) { + num_descriptors_this_page = 0; + desc_ptr = vsg->desc_pages[++cur_descriptor_page]; + } + } + + num_desc++; + cur_mem += remaining_len; + cur_fb += remaining_len; + } + + mem_addr += xfer->mem_stride; + fb_addr += xfer->fb_stride; + } + + if (mode == 1) { + vsg->chain_start = next; + vsg->state = dr_via_device_mapped; + } + vsg->num_desc = num_desc; +} + +/* + * Function that frees up all resources for a blit. It is usable even if the + * blit info has only be partially built as long as the status enum is consistent + * with the actual status of the used resources. + */ + + +void +via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) +{ + struct page *page; + int i; + + switch(vsg->state) { + case dr_via_device_mapped: + via_unmap_blit_from_device(pdev, vsg); + case dr_via_desc_pages_alloc: + for (i=0; i<vsg->num_desc_pages; ++i) { + if (vsg->desc_pages[i] != NULL) + free_page((unsigned long)vsg->desc_pages[i]); + } + kfree(vsg->desc_pages); + case dr_via_pages_locked: + for (i=0; i<vsg->num_pages; ++i) { + if ( NULL != (page = vsg->pages[i])) { + if (! PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction)) + SetPageDirty(page); + page_cache_release(page); + } + } + case dr_via_pages_alloc: + vfree(vsg->pages); + default: + vsg->state = dr_via_sg_init; + } + if (vsg->bounce_buffer) { + vfree(vsg->bounce_buffer); + vsg->bounce_buffer = NULL; + } + vsg->free_on_sequence = 0; +} + +/* + * Fire a blit engine. + */ + +static void +via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine) +{ + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + + VIA_WRITE(VIA_PCI_DMA_MAR0 + engine*0x10, 0); + VIA_WRITE(VIA_PCI_DMA_DAR0 + engine*0x10, 0); + VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DD | VIA_DMA_CSR_TD | + VIA_DMA_CSR_DE); + VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE); + VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0); + VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); + VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS); +} + +/* + * Obtain a page pointer array and lock all pages into system memory. A segmentation violation will + * occur here if the calling user does not have access to the submitted address. + */ + +static int +via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) +{ + int ret; + unsigned long first_pfn = VIA_PFN(xfer->mem_addr); + vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride -1)) - + first_pfn + 1; + + if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages))) + return DRM_ERR(ENOMEM); + memset(vsg->pages, 0, sizeof(struct page *) * vsg->num_pages); + down_read(¤t->mm->mmap_sem); + ret = get_user_pages(current, current->mm, (unsigned long) xfer->mem_addr, + vsg->num_pages, vsg->direction, 0, vsg->pages, NULL); + + up_read(¤t->mm->mmap_sem); + if (ret != vsg->num_pages) { + if (ret < 0) + return ret; + vsg->state = dr_via_pages_locked; + return DRM_ERR(EINVAL); + } + vsg->state = dr_via_pages_locked; + DRM_DEBUG("DMA pages locked\n"); + return 0; +} + +/* + * Allocate DMA capable memory for the blit descriptor chain, and an array that keeps track of the + * pages we allocate. We don't want to use kmalloc for the descriptor chain because it may be + * quite large for some blits, and pages don't need to be contingous. + */ + +static int +via_alloc_desc_pages(drm_via_sg_info_t *vsg) +{ + int i; + + vsg->descriptors_per_page = PAGE_SIZE / sizeof( drm_via_descriptor_t); + vsg->num_desc_pages = (vsg->num_desc + vsg->descriptors_per_page - 1) / + vsg->descriptors_per_page; + + if (NULL == (vsg->desc_pages = kmalloc(sizeof(void *) * vsg->num_desc_pages, GFP_KERNEL))) + return DRM_ERR(ENOMEM); + + memset(vsg->desc_pages, 0, sizeof(void *) * vsg->num_desc_pages); + vsg->state = dr_via_desc_pages_alloc; + for (i=0; i<vsg->num_desc_pages; ++i) { + if (NULL == (vsg->desc_pages[i] = + (drm_via_descriptor_t *) __get_free_page(GFP_KERNEL))) + return DRM_ERR(ENOMEM); + } + DRM_DEBUG("Allocated %d pages for %d descriptors.\n", vsg->num_desc_pages, + vsg->num_desc); + return 0; +} + +static void +via_abort_dmablit(drm_device_t *dev, int engine) +{ + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + + VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TA); +} + +static void +via_dmablit_engine_off(drm_device_t *dev, int engine) +{ + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + + VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TD | VIA_DMA_CSR_DD); +} + + + +/* + * The dmablit part of the IRQ handler. Trying to do only reasonably fast things here. + * The rest, like unmapping and freeing memory for done blits is done in a separate workqueue + * task. Basically the task of the interrupt handler is to submit a new blit to the engine, while + * the workqueue task takes care of processing associated with the old blit. + */ + +void +via_dmablit_handler(drm_device_t *dev, int engine, int from_irq) +{ + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + drm_via_blitq_t *blitq = dev_priv->blit_queues + engine; + int cur; + int done_transfer; + unsigned long irqsave=0; + uint32_t status = 0; + + DRM_DEBUG("DMA blit handler called. engine = %d, from_irq = %d, blitq = 0x%lx\n", + engine, from_irq, (unsigned long) blitq); + + if (from_irq) { + spin_lock(&blitq->blit_lock); + } else { + spin_lock_irqsave(&blitq->blit_lock, irqsave); + } + + done_transfer = blitq->is_active && + (( status = VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04)) & VIA_DMA_CSR_TD); + done_transfer = done_transfer || ( blitq->aborting && !(status & VIA_DMA_CSR_DE)); + + cur = blitq->cur; + if (done_transfer) { + + blitq->blits[cur]->aborted = blitq->aborting; + blitq->done_blit_handle++; + DRM_WAKEUP(blitq->blit_queue + cur); + + cur++; + if (cur >= VIA_NUM_BLIT_SLOTS) + cur = 0; + blitq->cur = cur; + + /* + * Clear transfer done flag. + */ + + VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TD); + + blitq->is_active = 0; + blitq->aborting = 0; + schedule_work(&blitq->wq); + + } else if (blitq->is_active && time_after_eq(jiffies, blitq->end)) { + + /* + * Abort transfer after one second. + */ + + via_abort_dmablit(dev, engine); + blitq->aborting = 1; + blitq->end = jiffies + DRM_HZ; + } + + if (!blitq->is_active) { + if (blitq->num_outstanding) { + via_fire_dmablit(dev, blitq->blits[cur], engine); + blitq->is_active = 1; + blitq->cur = cur; + blitq->num_outstanding--; + blitq->end = jiffies + DRM_HZ; + if (!timer_pending(&blitq->poll_timer)) { + blitq->poll_timer.expires = jiffies+1; + add_timer(&blitq->poll_timer); + } + } else { + if (timer_pending(&blitq->poll_timer)) { + del_timer(&blitq->poll_timer); + } + via_dmablit_engine_off(dev, engine); + } + } + + if (from_irq) { + spin_unlock(&blitq->blit_lock); + } else { + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + } +} + + + +/* + * Check whether this blit is still active, performing necessary locking. + */ + +static int +via_dmablit_active(drm_via_blitq_t *blitq, int engine, uint32_t handle, wait_queue_head_t **queue) +{ + unsigned long irqsave; + uint32_t slot; + int active; + + spin_lock_irqsave(&blitq->blit_lock, irqsave); + + /* + * Allow for handle wraparounds. + */ + + active = ((blitq->done_blit_handle - handle) > (1 << 23)) && + ((blitq->cur_blit_handle - handle) <= (1 << 23)); + + if (queue && active) { + slot = handle - blitq->done_blit_handle + blitq->cur -1; + if (slot >= VIA_NUM_BLIT_SLOTS) { + slot -= VIA_NUM_BLIT_SLOTS; + } + *queue = blitq->blit_queue + slot; + } + + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + + return active; +} + +/* + * Sync. Wait for at least three seconds for the blit to be performed. + */ + +static int +via_dmablit_sync(drm_device_t *dev, uint32_t handle, int engine) +{ + + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + drm_via_blitq_t *blitq = dev_priv->blit_queues + engine; + wait_queue_head_t *queue; + int ret = 0; + + if (via_dmablit_active(blitq, engine, handle, &queue)) { + DRM_WAIT_ON(ret, *queue, 3 * DRM_HZ, + !via_dmablit_active(blitq, engine, handle, NULL)); + } + DRM_DEBUG("DMA blit sync handle 0x%x engine %d returned %d\n", + handle, engine, ret); + + return ret; +} + + +/* + * A timer that regularly polls the blit engine in cases where we don't have interrupts: + * a) Broken hardware (typically those that don't have any video capture facility). + * b) Blit abort. The hardware doesn't send an interrupt when a blit is aborted. + * The timer and hardware IRQ's can and do work in parallel. If the hardware has + * irqs, it will shorten the latency somewhat. + */ + + + +static void +via_dmablit_timer(unsigned long data) +{ + drm_via_blitq_t *blitq = (drm_via_blitq_t *) data; + drm_device_t *dev = blitq->dev; + int engine = (int) + (blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues); + + DRM_DEBUG("Polling timer called for engine %d, jiffies %lu\n", engine, + (unsigned long) jiffies); + + via_dmablit_handler(dev, engine, 0); + + if (!timer_pending(&blitq->poll_timer)) { + blitq->poll_timer.expires = jiffies+1; + add_timer(&blitq->poll_timer); + } + via_dmablit_handler(dev, engine, 0); + +} + + + + +/* + * Workqueue task that frees data and mappings associated with a blit. + * Also wakes up waiting processes. Each of these tasks handles one + * blit engine only and may not be called on each interrupt. + */ + + +static void +via_dmablit_workqueue(void *data) +{ + drm_via_blitq_t *blitq = (drm_via_blitq_t *) data; + drm_device_t *dev = blitq->dev; + unsigned long irqsave; + drm_via_sg_info_t *cur_sg; + int cur_released; + + + DRM_DEBUG("Workqueue task called for blit engine %ld\n",(unsigned long) + (blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues)); + + spin_lock_irqsave(&blitq->blit_lock, irqsave); + + while(blitq->serviced != blitq->cur) { + + cur_released = blitq->serviced++; + + DRM_DEBUG("Releasing blit slot %d\n", cur_released); + + if (blitq->serviced >= VIA_NUM_BLIT_SLOTS) + blitq->serviced = 0; + + cur_sg = blitq->blits[cur_released]; + blitq->num_free++; + + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + + DRM_WAKEUP(&blitq->busy_queue); + + via_free_sg_info(dev->pdev, cur_sg); + kfree(cur_sg); + + spin_lock_irqsave(&blitq->blit_lock, irqsave); + } + + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); +} + + +/* + * Init all blit engines. Currently we use two, but some hardware have 4. + */ + + +void +via_init_dmablit(drm_device_t *dev) +{ + int i,j; + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + drm_via_blitq_t *blitq; + + pci_set_master(dev->pdev); + + for (i=0; i< VIA_NUM_BLIT_ENGINES; ++i) { + blitq = dev_priv->blit_queues + i; + blitq->dev = dev; + blitq->cur_blit_handle = 0; + blitq->done_blit_handle = 0; + blitq->head = 0; + blitq->cur = 0; + blitq->serviced = 0; + blitq->num_free = VIA_NUM_BLIT_SLOTS; + blitq->num_outstanding = 0; + blitq->is_active = 0; + blitq->aborting = 0; + blitq->blit_lock = SPIN_LOCK_UNLOCKED; + for (j=0; j<VIA_NUM_BLIT_SLOTS; ++j) { + DRM_INIT_WAITQUEUE(blitq->blit_queue + j); + } + DRM_INIT_WAITQUEUE(&blitq->busy_queue); + INIT_WORK(&blitq->wq, via_dmablit_workqueue, blitq); + init_timer(&blitq->poll_timer); + blitq->poll_timer.function = &via_dmablit_timer; + blitq->poll_timer.data = (unsigned long) blitq; + } +} + +/* + * Build all info and do all mappings required for a blit. + */ + + +static int +via_build_sg_info(drm_device_t *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) +{ + int draw = xfer->to_fb; + int ret = 0; + + vsg->direction = (draw) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; + vsg->bounce_buffer = 0; + + vsg->state = dr_via_sg_init; + + if (xfer->num_lines <= 0 || xfer->line_length <= 0) { + DRM_ERROR("Zero size bitblt.\n"); + return DRM_ERR(EINVAL); + } + + /* + * Below check is a driver limitation, not a hardware one. We + * don't want to lock unused pages, and don't want to incoporate the + * extra logic of avoiding them. Make sure there are no. + * (Not a big limitation anyway.) + */ + + if (((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) || + (xfer->mem_stride > 2048*4)) { + DRM_ERROR("Too large system memory stride. Stride: %d, " + "Length: %d\n", xfer->mem_stride, xfer->line_length); + return DRM_ERR(EINVAL); + } + + if (xfer->num_lines > 2048) { + DRM_ERROR("Too many PCI DMA bitblt lines.\n"); + return DRM_ERR(EINVAL); + } + + /* + * we allow a negative fb stride to allow flipping of images in + * transfer. + */ + + if (xfer->mem_stride < xfer->line_length || + abs(xfer->fb_stride) < xfer->line_length) { + DRM_ERROR("Invalid frame-buffer / memory stride.\n"); + return DRM_ERR(EINVAL); + } + + /* + * A hardware bug seems to be worked around if system memory addresses start on + * 16 byte boundaries. This seems a bit restrictive however. VIA is contacted + * about this. Meanwhile, impose the following restrictions: + */ + +#ifdef VIA_BUGFREE + if ((((unsigned long)xfer->mem_addr & 3) != ((unsigned long)xfer->fb_addr & 3)) || + ((xfer->mem_stride & 3) != (xfer->fb_stride & 3))) { + DRM_ERROR("Invalid DRM bitblt alignment.\n"); + return DRM_ERR(EINVAL); + } +#else + if ((((unsigned long)xfer->mem_addr & 15) || + ((unsigned long)xfer->fb_addr & 3)) || (xfer->mem_stride & 15) || + (xfer->fb_stride & 3)) { + DRM_ERROR("Invalid DRM bitblt alignment.\n"); + return DRM_ERR(EINVAL); + } +#endif + + if (0 != (ret = via_lock_all_dma_pages(vsg, xfer))) { + DRM_ERROR("Could not lock DMA pages.\n"); + via_free_sg_info(dev->pdev, vsg); + return ret; + } + + via_map_blit_for_device(dev->pdev, xfer, vsg, 0); + if (0 != (ret = via_alloc_desc_pages(vsg))) { + DRM_ERROR("Could not allocate DMA descriptor pages.\n"); + via_free_sg_info(dev->pdev, vsg); + return ret; + } + via_map_blit_for_device(dev->pdev, xfer, vsg, 1); + + return 0; +} + + +/* + * Reserve one free slot in the blit queue. Will wait for one second for one + * to become available. Otherwise -EBUSY is returned. + */ + +static int +via_dmablit_grab_slot(drm_via_blitq_t *blitq, int engine) +{ + int ret=0; + unsigned long irqsave; + + DRM_DEBUG("Num free is %d\n", blitq->num_free); + spin_lock_irqsave(&blitq->blit_lock, irqsave); + while(blitq->num_free == 0) { + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + + DRM_WAIT_ON(ret, blitq->busy_queue, DRM_HZ, blitq->num_free > 0); + if (ret) { + return (DRM_ERR(EINTR) == ret) ? DRM_ERR(EAGAIN) : ret; + } + + spin_lock_irqsave(&blitq->blit_lock, irqsave); + } + + blitq->num_free--; + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + + return 0; +} + +/* + * Hand back a free slot if we changed our mind. + */ + +static void +via_dmablit_release_slot(drm_via_blitq_t *blitq) +{ + unsigned long irqsave; + + spin_lock_irqsave(&blitq->blit_lock, irqsave); + blitq->num_free++; + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + DRM_WAKEUP( &blitq->busy_queue ); +} + +/* + * Grab a free slot. Build blit info and queue a blit. + */ + + +static int +via_dmablit(drm_device_t *dev, drm_via_dmablit_t *xfer) +{ + drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; + drm_via_sg_info_t *vsg; + drm_via_blitq_t *blitq; + int ret; + int engine; + unsigned long irqsave; + + if (dev_priv == NULL) { + DRM_ERROR("Called without initialization.\n"); + return DRM_ERR(EINVAL); + } + + engine = (xfer->to_fb) ? 0 : 1; + blitq = dev_priv->blit_queues + engine; + if (0 != (ret = via_dmablit_grab_slot(blitq, engine))) { + return ret; + } + if (NULL == (vsg = kmalloc(sizeof(*vsg), GFP_KERNEL))) { + via_dmablit_release_slot(blitq); + return DRM_ERR(ENOMEM); + } + if (0 != (ret = via_build_sg_info(dev, vsg, xfer))) { + via_dmablit_release_slot(blitq); + kfree(vsg); + return ret; + } + spin_lock_irqsave(&blitq->blit_lock, irqsave); + + blitq->blits[blitq->head++] = vsg; + if (blitq->head >= VIA_NUM_BLIT_SLOTS) + blitq->head = 0; + blitq->num_outstanding++; + xfer->sync.sync_handle = ++blitq->cur_blit_handle; + + spin_unlock_irqrestore(&blitq->blit_lock, irqsave); + xfer->sync.engine = engine; + + via_dmablit_handler(dev, engine, 0); + + return 0; +} + +/* + * Sync on a previously submitted blit. Note that the X server use signals extensively, and + * that there is a very big proability that this IOCTL will be interrupted by a signal. In that + * case it returns with -EAGAIN for the signal to be delivered. + * The caller should then reissue the IOCTL. This is similar to what is being done for drmGetLock(). + */ + +int +via_dma_blit_sync( DRM_IOCTL_ARGS ) +{ + drm_via_blitsync_t sync; + int err; + DRM_DEVICE; + + DRM_COPY_FROM_USER_IOCTL(sync, (drm_via_blitsync_t *)data, sizeof(sync)); + + if (sync.engine >= VIA_NUM_BLIT_ENGINES) + return DRM_ERR(EINVAL); + + err = via_dmablit_sync(dev, sync.sync_handle, sync.engine); + + if (DRM_ERR(EINTR) == err) + err = DRM_ERR(EAGAIN); + + return err; +} + + +/* + * Queue a blit and hand back a handle to be used for sync. This IOCTL may be interrupted by a signal + * while waiting for a free slot in the blit queue. In that case it returns with -EAGAIN and should + * be reissued. See the above IOCTL code. + */ + +int +via_dma_blit( DRM_IOCTL_ARGS ) +{ + drm_via_dmablit_t xfer; + int err; + DRM_DEVICE; + + DRM_COPY_FROM_USER_IOCTL(xfer, (drm_via_dmablit_t __user *)data, sizeof(xfer)); + + err = via_dmablit(dev, &xfer); + + DRM_COPY_TO_USER_IOCTL((void __user *)data, xfer, sizeof(xfer)); + + return err; +} diff --git a/drivers/char/drm/via_dmablit.h b/drivers/char/drm/via_dmablit.h new file mode 100644 index 00000000000..f4036cd5d0e --- /dev/null +++ b/drivers/char/drm/via_dmablit.h @@ -0,0 +1,140 @@ +/* via_dmablit.h -- PCI DMA BitBlt support for the VIA Unichrome/Pro + * + * Copyright 2005 Thomas Hellstrom. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Thomas Hellstrom. + * Register info from Digeo Inc. + */ + +#ifndef _VIA_DMABLIT_H +#define _VIA_DMABLIT_H + +#include <linux/dma-mapping.h> + +#define VIA_NUM_BLIT_ENGINES 2 +#define VIA_NUM_BLIT_SLOTS 8 + +struct _drm_via_descriptor; + +typedef struct _drm_via_sg_info { + struct page **pages; + unsigned long num_pages; + struct _drm_via_descriptor **desc_pages; + int num_desc_pages; + int num_desc; + enum dma_data_direction direction; + unsigned char *bounce_buffer; + dma_addr_t chain_start; + uint32_t free_on_sequence; + unsigned int descriptors_per_page; + int aborted; + enum { + dr_via_device_mapped, + dr_via_desc_pages_alloc, + dr_via_pages_locked, + dr_via_pages_alloc, + dr_via_sg_init + } state; +} drm_via_sg_info_t; + +typedef struct _drm_via_blitq { + drm_device_t *dev; + uint32_t cur_blit_handle; + uint32_t done_blit_handle; + unsigned serviced; + unsigned head; + unsigned cur; + unsigned num_free; + unsigned num_outstanding; + unsigned long end; + int aborting; + int is_active; + drm_via_sg_info_t *blits[VIA_NUM_BLIT_SLOTS]; + spinlock_t blit_lock; + wait_queue_head_t blit_queue[VIA_NUM_BLIT_SLOTS]; + wait_queue_head_t busy_queue; + struct work_struct wq; + struct timer_list poll_timer; +} drm_via_blitq_t; + + +/* + * PCI DMA Registers + * Channels 2 & 3 don't seem to be implemented in hardware. + */ + +#define VIA_PCI_DMA_MAR0 0xE40 /* Memory Address Register of Channel 0 */ +#define VIA_PCI_DMA_DAR0 0xE44 /* Device Address Register of Channel 0 */ +#define VIA_PCI_DMA_BCR0 0xE48 /* Byte Count Register of Channel 0 */ +#define VIA_PCI_DMA_DPR0 0xE4C /* Descriptor Pointer Register of Channel 0 */ + +#define VIA_PCI_DMA_MAR1 0xE50 /* Memory Address Register of Channel 1 */ +#define VIA_PCI_DMA_DAR1 0xE54 /* Device Address Register of Channel 1 */ +#define VIA_PCI_DMA_BCR1 0xE58 /* Byte Count Register of Channel 1 */ +#define VIA_PCI_DMA_DPR1 0xE5C /* Descriptor Pointer Register of Channel 1 */ + +#define VIA_PCI_DMA_MAR2 0xE60 /* Memory Address Register of Channel 2 */ +#define VIA_PCI_DMA_DAR2 0xE64 /* Device Address Register of Channel 2 */ +#define VIA_PCI_DMA_BCR2 0xE68 /* Byte Count Register of Channel 2 */ +#define VIA_PCI_DMA_DPR2 0xE6C /* Descriptor Pointer Register of Channel 2 */ + +#define VIA_PCI_DMA_MAR3 0xE70 /* Memory Address Register of Channel 3 */ +#define VIA_PCI_DMA_DAR3 0xE74 /* Device Address Register of Channel 3 */ +#define VIA_PCI_DMA_BCR3 0xE78 /* Byte Count Register of Channel 3 */ +#define VIA_PCI_DMA_DPR3 0xE7C /* Descriptor Pointer Register of Channel 3 */ + +#define VIA_PCI_DMA_MR0 0xE80 /* Mode Register of Channel 0 */ +#define VIA_PCI_DMA_MR1 0xE84 /* Mode Register of Channel 1 */ +#define VIA_PCI_DMA_MR2 0xE88 /* Mode Register of Channel 2 */ +#define VIA_PCI_DMA_MR3 0xE8C /* Mode Register of Channel 3 */ + +#define VIA_PCI_DMA_CSR0 0xE90 /* Command/Status Register of Channel 0 */ +#define VIA_PCI_DMA_CSR1 0xE94 /* Command/Status Register of Channel 1 */ +#define VIA_PCI_DMA_CSR2 0xE98 /* Command/Status Register of Channel 2 */ +#define VIA_PCI_DMA_CSR3 0xE9C /* Command/Status Register of Channel 3 */ + +#define VIA_PCI_DMA_PTR 0xEA0 /* Priority Type Register */ + +/* Define for DMA engine */ +/* DPR */ +#define VIA_DMA_DPR_EC (1<<1) /* end of chain */ +#define VIA_DMA_DPR_DDIE (1<<2) /* descriptor done interrupt enable */ +#define VIA_DMA_DPR_DT (1<<3) /* direction of transfer (RO) */ + +/* MR */ +#define VIA_DMA_MR_CM (1<<0) /* chaining mode */ +#define VIA_DMA_MR_TDIE (1<<1) /* transfer done interrupt enable */ +#define VIA_DMA_MR_HENDMACMD (1<<7) /* ? */ + +/* CSR */ +#define VIA_DMA_CSR_DE (1<<0) /* DMA enable */ +#define VIA_DMA_CSR_TS (1<<1) /* transfer start */ +#define VIA_DMA_CSR_TA (1<<2) /* transfer abort */ +#define VIA_DMA_CSR_TD (1<<3) /* transfer done */ +#define VIA_DMA_CSR_DD (1<<4) /* descriptor done */ +#define VIA_DMA_DPR_EC (1<<1) /* end of chain */ + + + +#endif diff --git a/drivers/char/drm/via_drm.h b/drivers/char/drm/via_drm.h index ebde9206115..47f0b5b2637 100644 --- a/drivers/char/drm/via_drm.h +++ b/drivers/char/drm/via_drm.h @@ -75,6 +75,8 @@ #define DRM_VIA_CMDBUF_SIZE 0x0b #define NOT_USED #define DRM_VIA_WAIT_IRQ 0x0d +#define DRM_VIA_DMA_BLIT 0x0e +#define DRM_VIA_BLIT_SYNC 0x0f #define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t) #define DRM_IOCTL_VIA_FREEMEM DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t) @@ -89,6 +91,8 @@ #define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \ drm_via_cmdbuf_size_t) #define DRM_IOCTL_VIA_WAIT_IRQ DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t) +#define DRM_IOCTL_VIA_DMA_BLIT DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t) +#define DRM_IOCTL_VIA_BLIT_SYNC DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t) /* Indices into buf.Setup where various bits of state are mirrored per * context and per buffer. These can be fired at the card as a unit, @@ -103,8 +107,12 @@ #define VIA_BACK 0x2 #define VIA_DEPTH 0x4 #define VIA_STENCIL 0x8 -#define VIDEO 0 -#define AGP 1 +#define VIA_MEM_VIDEO 0 /* matches drm constant */ +#define VIA_MEM_AGP 1 /* matches drm constant */ +#define VIA_MEM_SYSTEM 2 +#define VIA_MEM_MIXED 3 +#define VIA_MEM_UNKNOWN 4 + typedef struct { uint32_t offset; uint32_t size; @@ -192,6 +200,9 @@ typedef struct _drm_via_sarea { unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS]; unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */ + /* Used by the 3d driver only at this point, for pageflipping: + */ + unsigned int pfCurrentOffset; } drm_via_sarea_t; typedef struct _drm_via_cmdbuf_size { @@ -212,6 +223,16 @@ typedef enum { #define VIA_IRQ_FLAGS_MASK 0xF0000000 +enum drm_via_irqs { + drm_via_irq_hqv0 = 0, + drm_via_irq_hqv1, + drm_via_irq_dma0_dd, + drm_via_irq_dma0_td, + drm_via_irq_dma1_dd, + drm_via_irq_dma1_td, + drm_via_irq_num +}; + struct drm_via_wait_irq_request { unsigned irq; via_irq_seq_type_t type; @@ -224,20 +245,25 @@ typedef union drm_via_irqwait { struct drm_wait_vblank_reply reply; } drm_via_irqwait_t; -#ifdef __KERNEL__ - -int via_fb_init(DRM_IOCTL_ARGS); -int via_mem_alloc(DRM_IOCTL_ARGS); -int via_mem_free(DRM_IOCTL_ARGS); -int via_agp_init(DRM_IOCTL_ARGS); -int via_map_init(DRM_IOCTL_ARGS); -int via_decoder_futex(DRM_IOCTL_ARGS); -int via_dma_init(DRM_IOCTL_ARGS); -int via_cmdbuffer(DRM_IOCTL_ARGS); -int via_flush_ioctl(DRM_IOCTL_ARGS); -int via_pci_cmdbuffer(DRM_IOCTL_ARGS); -int via_cmdbuf_size(DRM_IOCTL_ARGS); -int via_wait_irq(DRM_IOCTL_ARGS); +typedef struct drm_via_blitsync { + uint32_t sync_handle; + unsigned engine; +} drm_via_blitsync_t; + +typedef struct drm_via_dmablit { + uint32_t num_lines; + uint32_t line_length; + + uint32_t fb_addr; + uint32_t fb_stride; + + unsigned char *mem_addr; + uint32_t mem_stride; + + int bounce_buffer; + int to_fb; + + drm_via_blitsync_t sync; +} drm_via_dmablit_t; -#endif #endif /* _VIA_DRM_H_ */ diff --git a/drivers/char/drm/via_drv.c b/drivers/char/drm/via_drv.c index 016665e0c69..3f012255d31 100644 --- a/drivers/char/drm/via_drv.c +++ b/drivers/char/drm/via_drv.c @@ -29,54 +29,21 @@ #include "drm_pciids.h" -static int postinit(struct drm_device *dev, unsigned long flags) +static int dri_library_name(struct drm_device *dev, char *buf) { - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n", - DRIVER_NAME, - DRIVER_MAJOR, - DRIVER_MINOR, - DRIVER_PATCHLEVEL, - DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev) - ); - return 0; -} - -static int version(drm_version_t * version) -{ - int len; - - version->version_major = DRIVER_MAJOR; - version->version_minor = DRIVER_MINOR; - version->version_patchlevel = DRIVER_PATCHLEVEL; - DRM_COPY(version->name, DRIVER_NAME); - DRM_COPY(version->date, DRIVER_DATE); - DRM_COPY(version->desc, DRIVER_DESC); - return 0; + return snprintf(buf, PAGE_SIZE, "unichrome"); } static struct pci_device_id pciidlist[] = { viadrv_PCI_IDS }; -static drm_ioctl_desc_t ioctls[] = { - [DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0}, - [DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0} -}; - static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .load = via_driver_load, + .unload = via_driver_unload, .context_ctor = via_init_context, .context_dtor = via_final_context, .vblank_wait = via_driver_vblank_wait, @@ -85,13 +52,11 @@ static struct drm_driver driver = { .irq_uninstall = via_driver_irq_uninstall, .irq_handler = via_driver_irq_handler, .dma_quiescent = via_driver_dma_quiescent, + .dri_library_name = dri_library_name, .reclaim_buffers = drm_core_reclaim_buffers, .get_map_ofs = drm_core_get_map_ofs, .get_reg_ofs = drm_core_get_reg_ofs, - .postinit = postinit, - .version = version, - .ioctls = ioctls, - .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .ioctls = via_ioctls, .fops = { .owner = THIS_MODULE, .open = drm_open, @@ -100,15 +65,23 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, - }, + }, .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - } + .name = DRIVER_NAME, + .id_table = pciidlist, + }, + + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, }; static int __init via_init(void) { + driver.num_ioctls = via_max_ioctl; via_init_command_verifier(); return drm_init(&driver); } diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h index 7d5daf43797..aad4f99f540 100644 --- a/drivers/char/drm/via_drv.h +++ b/drivers/char/drm/via_drv.h @@ -24,24 +24,26 @@ #ifndef _VIA_DRV_H_ #define _VIA_DRV_H_ -#define DRIVER_AUTHOR "VIA" +#define DRIVER_AUTHOR "Various" #define DRIVER_NAME "via" #define DRIVER_DESC "VIA Unichrome / Pro" -#define DRIVER_DATE "20050523" +#define DRIVER_DATE "20051116" #define DRIVER_MAJOR 2 -#define DRIVER_MINOR 6 -#define DRIVER_PATCHLEVEL 3 +#define DRIVER_MINOR 7 +#define DRIVER_PATCHLEVEL 4 #include "via_verifier.h" +#include "via_dmablit.h" + #define VIA_PCI_BUF_SIZE 60000 #define VIA_FIRE_BUF_SIZE 1024 -#define VIA_NUM_IRQS 2 +#define VIA_NUM_IRQS 4 typedef struct drm_via_ring_buffer { - drm_map_t map; + drm_local_map_t map; char *virtual_start; } drm_via_ring_buffer_t; @@ -56,9 +58,9 @@ typedef struct drm_via_irq { typedef struct drm_via_private { drm_via_sarea_t *sarea_priv; - drm_map_t *sarea; - drm_map_t *fb; - drm_map_t *mmio; + drm_local_map_t *sarea; + drm_local_map_t *fb; + drm_local_map_t *mmio; unsigned long agpAddr; wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS]; char *dma_ptr; @@ -82,8 +84,15 @@ typedef struct drm_via_private { maskarray_t *irq_masks; uint32_t irq_enable_mask; uint32_t irq_pending_mask; + int *irq_map; + drm_via_blitq_t blit_queues[VIA_NUM_BLIT_ENGINES]; } drm_via_private_t; +enum via_family { + VIA_OTHER = 0, + VIA_PRO_GROUP_A, +}; + /* VIA MMIO register access */ #define VIA_BASE ((dev_priv->mmio)) @@ -92,12 +101,31 @@ typedef struct drm_via_private { #define VIA_READ8(reg) DRM_READ8(VIA_BASE, reg) #define VIA_WRITE8(reg,val) DRM_WRITE8(VIA_BASE, reg, val) +extern drm_ioctl_desc_t via_ioctls[]; +extern int via_max_ioctl; + +extern int via_fb_init(DRM_IOCTL_ARGS); +extern int via_mem_alloc(DRM_IOCTL_ARGS); +extern int via_mem_free(DRM_IOCTL_ARGS); +extern int via_agp_init(DRM_IOCTL_ARGS); +extern int via_map_init(DRM_IOCTL_ARGS); +extern int via_decoder_futex(DRM_IOCTL_ARGS); +extern int via_dma_init(DRM_IOCTL_ARGS); +extern int via_cmdbuffer(DRM_IOCTL_ARGS); +extern int via_flush_ioctl(DRM_IOCTL_ARGS); +extern int via_pci_cmdbuffer(DRM_IOCTL_ARGS); +extern int via_cmdbuf_size(DRM_IOCTL_ARGS); +extern int via_wait_irq(DRM_IOCTL_ARGS); +extern int via_dma_blit_sync( DRM_IOCTL_ARGS ); +extern int via_dma_blit( DRM_IOCTL_ARGS ); + +extern int via_driver_load(drm_device_t *dev, unsigned long chipset); +extern int via_driver_unload(drm_device_t *dev); + extern int via_init_context(drm_device_t * dev, int context); extern int via_final_context(drm_device_t * dev, int context); extern int via_do_cleanup_map(drm_device_t * dev); -extern int via_map_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence); extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS); @@ -111,8 +139,10 @@ extern int via_driver_dma_quiescent(drm_device_t * dev); extern void via_init_futex(drm_via_private_t * dev_priv); extern void via_cleanup_futex(drm_via_private_t * dev_priv); extern void via_release_futex(drm_via_private_t * dev_priv, int context); +extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq, + int force_sequence, unsigned int *sequence); -extern int via_parse_command_stream(drm_device_t * dev, const uint32_t * buf, - unsigned int size); +extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq); +extern void via_init_dmablit(drm_device_t *dev); #endif diff --git a/drivers/char/drm/via_ds.c b/drivers/char/drm/via_ds.c index 5c71e089246..9429736b3b9 100644 --- a/drivers/char/drm/via_ds.c +++ b/drivers/char/drm/via_ds.c @@ -22,14 +22,7 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <asm/io.h> +#include "drmP.h" #include "via_ds.h" extern unsigned int VIA_DEBUG; diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index d023add1929..56d7e3daea1 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -50,6 +50,15 @@ #define VIA_IRQ_HQV1_ENABLE (1 << 25) #define VIA_IRQ_HQV0_PENDING (1 << 9) #define VIA_IRQ_HQV1_PENDING (1 << 10) +#define VIA_IRQ_DMA0_DD_ENABLE (1 << 20) +#define VIA_IRQ_DMA0_TD_ENABLE (1 << 21) +#define VIA_IRQ_DMA1_DD_ENABLE (1 << 22) +#define VIA_IRQ_DMA1_TD_ENABLE (1 << 23) +#define VIA_IRQ_DMA0_DD_PENDING (1 << 4) +#define VIA_IRQ_DMA0_TD_PENDING (1 << 5) +#define VIA_IRQ_DMA1_DD_PENDING (1 << 6) +#define VIA_IRQ_DMA1_TD_PENDING (1 << 7) + /* * Device-specific IRQs go here. This type might need to be extended with @@ -61,13 +70,24 @@ static maskarray_t via_pro_group_a_irqs[] = { {VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010, 0x00000000}, {VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010, - 0x00000000} + 0x00000000}, + {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, + VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, + {VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1, + VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, }; static int via_num_pro_group_a = sizeof(via_pro_group_a_irqs) / sizeof(maskarray_t); +static int via_irqmap_pro_group_a[] = {0, 1, -1, 2, -1, 3}; -static maskarray_t via_unichrome_irqs[] = { }; +static maskarray_t via_unichrome_irqs[] = { + {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, + VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, + {VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1, + VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008} +}; static int via_num_unichrome = sizeof(via_unichrome_irqs) / sizeof(maskarray_t); +static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1}; static unsigned time_diff(struct timeval *now, struct timeval *then) { @@ -113,6 +133,11 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) atomic_inc(&cur_irq->irq_received); DRM_WAKEUP(&cur_irq->irq_queue); handled = 1; + if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) { + via_dmablit_handler(dev, 0, 1); + } else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i) { + via_dmablit_handler(dev, 1, 1); + } } cur_irq++; } @@ -165,7 +190,7 @@ int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence) return ret; } -static int +int via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, unsigned int *sequence) { @@ -174,6 +199,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, drm_via_irq_t *cur_irq = dev_priv->via_irqs; int ret = 0; maskarray_t *masks = dev_priv->irq_masks; + int real_irq; DRM_DEBUG("%s\n", __FUNCTION__); @@ -182,15 +208,23 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, return DRM_ERR(EINVAL); } - if (irq >= dev_priv->num_irqs) { + if (irq >= drm_via_irq_num) { DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, irq); return DRM_ERR(EINVAL); } - cur_irq += irq; + real_irq = dev_priv->irq_map[irq]; + + if (real_irq < 0) { + DRM_ERROR("%s Video IRQ %d not available on this hardware.\n", + __FUNCTION__, irq); + return DRM_ERR(EINVAL); + } + + cur_irq += real_irq; - if (masks[irq][2] && !force_sequence) { + if (masks[real_irq][2] && !force_sequence) { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, ((VIA_READ(masks[irq][2]) & masks[irq][3]) == masks[irq][4])); @@ -226,6 +260,8 @@ void via_driver_irq_preinstall(drm_device_t * dev) via_pro_group_a_irqs : via_unichrome_irqs; dev_priv->num_irqs = (dev_priv->pro_group_a) ? via_num_pro_group_a : via_num_unichrome; + dev_priv->irq_map = (dev_priv->pro_group_a) ? + via_irqmap_pro_group_a : via_irqmap_unichrome; for (i = 0; i < dev_priv->num_irqs; ++i) { atomic_set(&cur_irq->irq_received, 0); @@ -241,7 +277,7 @@ void via_driver_irq_preinstall(drm_device_t * dev) dev_priv->last_vblank_valid = 0; - // Clear VSync interrupt regs + /* Clear VSync interrupt regs */ status = VIA_READ(VIA_REG_INTERRUPT); VIA_WRITE(VIA_REG_INTERRUPT, status & ~(dev_priv->irq_enable_mask)); @@ -291,8 +327,7 @@ void via_driver_irq_uninstall(drm_device_t * dev) int via_wait_irq(DRM_IOCTL_ARGS) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; + DRM_DEVICE; drm_via_irqwait_t __user *argp = (void __user *)data; drm_via_irqwait_t irqwait; struct timeval now; diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c index 6bd6ac52ad1..c6a08e96285 100644 --- a/drivers/char/drm/via_map.c +++ b/drivers/char/drm/via_map.c @@ -27,16 +27,10 @@ static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init) { - drm_via_private_t *dev_priv; + drm_via_private_t *dev_priv = dev->dev_private; DRM_DEBUG("%s\n", __FUNCTION__); - dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER); - if (dev_priv == NULL) - return -ENOMEM; - - memset(dev_priv, 0, sizeof(drm_via_private_t)); - DRM_GETSAREA(); if (!dev_priv->sarea) { DRM_ERROR("could not find sarea!\n"); @@ -67,7 +61,8 @@ static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init) dev_priv->agpAddr = init->agpAddr; via_init_futex(dev_priv); - dev_priv->pro_group_a = (dev->pdev->device == 0x3118); + + via_init_dmablit(dev); dev->dev_private = (void *)dev_priv; return 0; @@ -75,15 +70,7 @@ static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init) int via_do_cleanup_map(drm_device_t * dev) { - if (dev->dev_private) { - - drm_via_private_t *dev_priv = dev->dev_private; - - via_dma_cleanup(dev); - - drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); - dev->dev_private = NULL; - } + via_dma_cleanup(dev); return 0; } @@ -107,3 +94,29 @@ int via_map_init(DRM_IOCTL_ARGS) return -EINVAL; } + +int via_driver_load(drm_device_t *dev, unsigned long chipset) +{ + drm_via_private_t *dev_priv; + + dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return DRM_ERR(ENOMEM); + + dev->dev_private = (void *)dev_priv; + + if (chipset == VIA_PRO_GROUP_A) + dev_priv->pro_group_a = 1; + + return 0; +} + +int via_driver_unload(drm_device_t *dev) +{ + drm_via_private_t *dev_priv = dev->dev_private; + + drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); + + return 0; +} + diff --git a/drivers/char/drm/via_mm.c b/drivers/char/drm/via_mm.c index 3baddacdff2..33e0cb12e4c 100644 --- a/drivers/char/drm/via_mm.c +++ b/drivers/char/drm/via_mm.c @@ -42,7 +42,7 @@ static int via_agp_free(drm_via_mem_t * mem); static int via_fb_alloc(drm_via_mem_t * mem); static int via_fb_free(drm_via_mem_t * mem); -static int add_alloc_set(int context, int type, unsigned int val) +static int add_alloc_set(int context, int type, unsigned long val) { int i, retval = 0; @@ -56,7 +56,7 @@ static int add_alloc_set(int context, int type, unsigned int val) return retval; } -static int del_alloc_set(int context, int type, unsigned int val) +static int del_alloc_set(int context, int type, unsigned long val) { int i, retval = 0; @@ -199,13 +199,13 @@ int via_mem_alloc(DRM_IOCTL_ARGS) sizeof(mem)); switch (mem.type) { - case VIDEO: + case VIA_MEM_VIDEO: if (via_fb_alloc(&mem) < 0) return -EFAULT; DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, sizeof(mem)); return 0; - case AGP: + case VIA_MEM_AGP: if (via_agp_alloc(&mem) < 0) return -EFAULT; DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, @@ -232,7 +232,7 @@ static int via_fb_alloc(drm_via_mem_t * mem) if (block) { fb.offset = block->ofs; fb.free = (unsigned long)block; - if (!add_alloc_set(fb.context, VIDEO, fb.free)) { + if (!add_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) { DRM_DEBUG("adding to allocation set fails\n"); via_mmFreeMem((PMemBlock) fb.free); retval = -1; @@ -269,7 +269,7 @@ static int via_agp_alloc(drm_via_mem_t * mem) if (block) { agp.offset = block->ofs; agp.free = (unsigned long)block; - if (!add_alloc_set(agp.context, AGP, agp.free)) { + if (!add_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) { DRM_DEBUG("adding to allocation set fails\n"); via_mmFreeMem((PMemBlock) agp.free); retval = -1; @@ -297,11 +297,11 @@ int via_mem_free(DRM_IOCTL_ARGS) switch (mem.type) { - case VIDEO: + case VIA_MEM_VIDEO: if (via_fb_free(&mem) == 0) return 0; break; - case AGP: + case VIA_MEM_AGP: if (via_agp_free(&mem) == 0) return 0; break; @@ -329,7 +329,7 @@ static int via_fb_free(drm_via_mem_t * mem) via_mmFreeMem((PMemBlock) fb.free); - if (!del_alloc_set(fb.context, VIDEO, fb.free)) { + if (!del_alloc_set(fb.context, VIA_MEM_VIDEO, fb.free)) { retval = -1; } @@ -352,7 +352,7 @@ static int via_agp_free(drm_via_mem_t * mem) via_mmFreeMem((PMemBlock) agp.free); - if (!del_alloc_set(agp.context, AGP, agp.free)) { + if (!del_alloc_set(agp.context, VIA_MEM_AGP, agp.free)) { retval = -1; } diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c index 4ac495f297f..70c897c8876 100644 --- a/drivers/char/drm/via_verifier.c +++ b/drivers/char/drm/via_verifier.c @@ -237,7 +237,7 @@ static hazard_t table3[256]; static __inline__ int eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words) { - if ((*buf - buf_end) >= num_words) { + if ((buf_end - *buf) >= num_words) { *buf += num_words; return 0; } @@ -249,14 +249,14 @@ eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words) * Partially stolen from drm_memory.h */ -static __inline__ drm_map_t *via_drm_lookup_agp_map(drm_via_state_t * seq, +static __inline__ drm_local_map_t *via_drm_lookup_agp_map(drm_via_state_t *seq, unsigned long offset, unsigned long size, drm_device_t * dev) { struct list_head *list; drm_map_list_t *r_list; - drm_map_t *map = seq->map_cache; + drm_local_map_t *map = seq->map_cache; if (map && map->offset <= offset && (offset + size) <= (map->offset + map->size)) { diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h index eb4eda34434..256590fcc22 100644 --- a/drivers/char/drm/via_verifier.h +++ b/drivers/char/drm/via_verifier.h @@ -47,7 +47,7 @@ typedef struct { int agp_texture; int multitex; drm_device_t *dev; - drm_map_t *map_cache; + drm_local_map_t *map_cache; uint32_t vertex_count; int agp; const uint32_t *buf_start; @@ -55,5 +55,7 @@ typedef struct { extern int via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t * dev, int agp); +extern int via_parse_command_stream(drm_device_t *dev, const uint32_t *buf, + unsigned int size); #endif diff --git a/drivers/char/drm/via_video.c b/drivers/char/drm/via_video.c index 7fab9fbdf42..300ac61b09e 100644 --- a/drivers/char/drm/via_video.c +++ b/drivers/char/drm/via_video.c @@ -50,8 +50,11 @@ void via_release_futex(drm_via_private_t * dev_priv, int context) unsigned int i; volatile int *lock; + if (!dev_priv->sarea_priv) + return; + for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) { - lock = (int *)XVMCLOCKPTR(dev_priv->sarea_priv, i); + lock = (volatile int *)XVMCLOCKPTR(dev_priv->sarea_priv, i); if ((_DRM_LOCKING_CONTEXT(*lock) == context)) { if (_DRM_LOCK_IS_HELD(*lock) && (*lock & _DRM_LOCK_CONT)) { @@ -79,7 +82,7 @@ int via_decoder_futex(DRM_IOCTL_ARGS) if (fx.lock > VIA_NR_XVMC_LOCKS) return -EFAULT; - lock = (int *)XVMCLOCKPTR(sAPriv, fx.lock); + lock = (volatile int *)XVMCLOCKPTR(sAPriv, fx.lock); switch (fx.func) { case VIA_FUTEX_WAIT: diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 8693835cb2d..e233cf280bc 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -165,7 +165,7 @@ static int dsp56k_reset(void) return 0; } -static int dsp56k_upload(u_char *bin, int len) +static int dsp56k_upload(u_char __user *bin, int len) { int i; u_char *p; @@ -199,7 +199,7 @@ static int dsp56k_upload(u_char *bin, int len) return 0; } -static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, +static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct inode *inode = file->f_dentry->d_inode; @@ -225,10 +225,10 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } case 2: /* 16 bit */ { - short *data; + short __user *data; count /= 2; - data = (short*) buf; + data = (short __user *) buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE, put_user(dsp56k_host_interface.data.w[1], data+n++)); return 2*n; @@ -244,10 +244,10 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } case 4: /* 32 bit */ { - long *data; + long __user *data; count /= 4; - data = (long*) buf; + data = (long __user *) buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE, put_user(dsp56k_host_interface.data.l, data+n++)); return 4*n; @@ -262,7 +262,7 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } } -static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, +static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct inode *inode = file->f_dentry->d_inode; @@ -287,10 +287,10 @@ static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, } case 2: /* 16 bit */ { - const short *data; + const short __user *data; count /= 2; - data = (const short *)buf; + data = (const short __user *)buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT, get_user(dsp56k_host_interface.data.w[1], data+n++)); return 2*n; @@ -306,10 +306,10 @@ static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, } case 4: /* 32 bit */ { - const long *data; + const long __user *data; count /= 4; - data = (const long *)buf; + data = (const long __user *)buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT, get_user(dsp56k_host_interface.data.l, data+n++)); return 4*n; @@ -328,6 +328,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int dev = iminor(inode) & 0x0f; + void __user *argp = (void __user *)arg; switch(dev) { @@ -336,9 +337,9 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, switch(cmd) { case DSP56K_UPLOAD: { - char *bin; + char __user *bin; int r, len; - struct dsp56k_upload *binary = (struct dsp56k_upload *) arg; + struct dsp56k_upload __user *binary = argp; if(get_user(len, &binary->len) < 0) return -EFAULT; @@ -372,7 +373,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, case DSP56K_HOST_FLAGS: { int dir, out, status; - struct dsp56k_host_flags *hf = (struct dsp56k_host_flags*) arg; + struct dsp56k_host_flags __user *hf = argp; if(get_user(dir, &hf->dir) < 0) return -EFAULT; diff --git a/drivers/char/epca.c b/drivers/char/epca.c index 407708a001e..765c5c108bf 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -1786,9 +1786,7 @@ static void doevent(int crd) if (tty) { /* Begin if valid tty */ if (event & BREAK_IND) { /* Begin if BREAK_IND */ /* A break has been indicated */ - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_BREAK); tty_schedule_flip(tty); } else if (event & LOWTX_IND) { /* Begin LOWTX_IND */ if (ch->statusflags & LOWWAIT) @@ -2124,7 +2122,6 @@ static void receive_data(struct channel *ch) int dataToRead, wrapgap, bytesAvailable; unsigned int tail, head; unsigned int wrapmask; - int rc; /* --------------------------------------------------------------- This routine is called by doint when a receive data event @@ -2162,16 +2159,15 @@ static void receive_data(struct channel *ch) return; } - if (tty->flip.count == TTY_FLIPBUF_SIZE) + if (tty_buffer_request_room(tty, bytesAvailable + 1) == 0) return; if (readb(&bc->orun)) { writeb(0, &bc->orun); printk(KERN_WARNING "epca; overrun! DigiBoard device %s\n",tty->name); + tty_insert_flip_char(tty, 0, TTY_OVERRUN); } rxwinon(ch); - rptr = tty->flip.char_buf_ptr; - rc = tty->flip.count; while (bytesAvailable > 0) { /* Begin while there is data on the card */ wrapgap = (head >= tail) ? head - tail : ch->rxbufsize - tail; /* --------------------------------------------------------------- @@ -2183,8 +2179,7 @@ static void receive_data(struct channel *ch) /* -------------------------------------------------------------- Make sure we don't overflow the buffer ----------------------------------------------------------------- */ - if ((rc + dataToRead) > TTY_FLIPBUF_SIZE) - dataToRead = TTY_FLIPBUF_SIZE - rc; + dataToRead = tty_prepare_flip_string(tty, &rptr, dataToRead); if (dataToRead == 0) break; /* --------------------------------------------------------------- @@ -2192,13 +2187,9 @@ static void receive_data(struct channel *ch) for translation if necessary. ------------------------------------------------------------------ */ memcpy_fromio(rptr, ch->rxptr + tail, dataToRead); - rc += dataToRead; - rptr += dataToRead; tail = (tail + dataToRead) & wrapmask; bytesAvailable -= dataToRead; } /* End while there is data on the card */ - tty->flip.count = rc; - tty->flip.char_buf_ptr = rptr; globalwinon(ch); writew(tail, &bc->rout); /* Must be called with global data */ diff --git a/drivers/char/esp.c b/drivers/char/esp.c index 9f53d2fcc36..3f3ac039f4d 100644 --- a/drivers/char/esp.c +++ b/drivers/char/esp.c @@ -160,7 +160,6 @@ static void rs_wait_until_sent(struct tty_struct *, int); * memory if large numbers of serial ports are open. */ static unsigned char *tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); static inline int serial_paranoia_check(struct esp_struct *info, char *name, const char *routine) @@ -345,26 +344,22 @@ static inline void receive_chars_pio(struct esp_struct *info, int num_bytes) for (i = 0; i < num_bytes; i++) { if (!(err_buf->data[i] & status_mask)) { - *(tty->flip.char_buf_ptr++) = pio_buf->data[i]; + int flag = 0; if (err_buf->data[i] & 0x04) { - *(tty->flip.flag_buf_ptr++) = TTY_BREAK; - + flag = TTY_BREAK; if (info->flags & ASYNC_SAK) do_SAK(tty); } else if (err_buf->data[i] & 0x02) - *(tty->flip.flag_buf_ptr++) = TTY_FRAME; + flag = TTY_FRAME; else if (err_buf->data[i] & 0x01) - *(tty->flip.flag_buf_ptr++) = TTY_PARITY; - else - *(tty->flip.flag_buf_ptr++) = 0; - - tty->flip.count++; + flag = TTY_PARITY; + tty_insert_flip_char(tty, pio_buf->data[i], flag); } } - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); info->stat_flags &= ~ESP_STAT_RX_TIMEOUT; release_pio_buffer(pio_buf); @@ -397,7 +392,6 @@ static inline void receive_chars_dma_done(struct esp_struct *info, int num_bytes; unsigned long flags; - flags=claim_dma_lock(); disable_dma(dma); clear_dma_ff(dma); @@ -408,38 +402,31 @@ static inline void receive_chars_dma_done(struct esp_struct *info, info->icount.rx += num_bytes; - memcpy(tty->flip.char_buf_ptr, dma_buffer, num_bytes); - tty->flip.char_buf_ptr += num_bytes; - tty->flip.count += num_bytes; - memset(tty->flip.flag_buf_ptr, 0, num_bytes); - tty->flip.flag_buf_ptr += num_bytes; - if (num_bytes > 0) { - tty->flip.flag_buf_ptr--; + tty_insert_flip_string(tty, dma_buffer, num_bytes - 1); status &= (0x1c & info->read_status_mask); + + /* Is the status significant or do we throw the last byte ? */ + if (!(status & info->ignore_status_mask)) { + int statflag = 0; - if (status & info->ignore_status_mask) { - tty->flip.count--; - tty->flip.char_buf_ptr--; - tty->flip.flag_buf_ptr--; - } else if (status & 0x10) { - *tty->flip.flag_buf_ptr = TTY_BREAK; - (info->icount.brk)++; - if (info->flags & ASYNC_SAK) - do_SAK(tty); - } else if (status & 0x08) { - *tty->flip.flag_buf_ptr = TTY_FRAME; - (info->icount.frame)++; - } - else if (status & 0x04) { - *tty->flip.flag_buf_ptr = TTY_PARITY; - (info->icount.parity)++; + if (status & 0x10) { + statflag = TTY_BREAK; + (info->icount.brk)++; + if (info->flags & ASYNC_SAK) + do_SAK(tty); + } else if (status & 0x08) { + statflag = TTY_FRAME; + (info->icount.frame)++; + } + else if (status & 0x04) { + statflag = TTY_PARITY; + (info->icount.parity)++; + } + tty_insert_flip_char(tty, dma_buffer[num_bytes - 1], statflag); } - - tty->flip.flag_buf_ptr++; - - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); } if (dma_bytes != num_bytes) { @@ -693,8 +680,7 @@ static irqreturn_t rs_interrupt_single(int irq, void *dev_id, num_bytes = serial_in(info, UART_ESI_STAT1) << 8; num_bytes |= serial_in(info, UART_ESI_STAT2); - if (num_bytes > (TTY_FLIPBUF_SIZE - info->tty->flip.count)) - num_bytes = TTY_FLIPBUF_SIZE - info->tty->flip.count; + num_bytes = tty_buffer_request_room(info->tty, num_bytes); if (num_bytes) { if (dma_bytes || @@ -2506,6 +2492,7 @@ static int __init espserial_init(void) } memset((void *)info, 0, sizeof(struct esp_struct)); + spin_lock_init(&info->lock); /* rx_trigger, tx_trigger are needed by autoconfig */ info->config.rx_trigger = rx_trigger; info->config.tx_trigger = tx_trigger; @@ -2542,7 +2529,6 @@ static int __init espserial_init(void) init_waitqueue_head(&info->close_wait); init_waitqueue_head(&info->delta_msr_wait); init_waitqueue_head(&info->break_wait); - spin_lock_init(&info->lock); ports = info; printk(KERN_INFO "ttyP%d at 0x%04x (irq = %d) is an ESP ", info->line, info->port, info->irq); diff --git a/drivers/char/ftape/Kconfig b/drivers/char/ftape/Kconfig index 7d3ecb56a1b..0d65189a7ae 100644 --- a/drivers/char/ftape/Kconfig +++ b/drivers/char/ftape/Kconfig @@ -25,17 +25,7 @@ config ZFTAPE support", above) then `zft-compressor' will be loaded automatically by zftape when needed. - Despite its name, zftape does NOT use compression by default. The - file <file:Documentation/ftape.txt> contains a short description of - the most important changes in the file system interface compared to - previous versions of ftape. The ftape home page - <http://www.instmath.rwth-aachen.de/~heine/ftape/> contains - further information. - - IMPORTANT NOTE: zftape can read archives created by previous - versions of ftape and provide file mark support (i.e. fast skipping - between tape archives) but previous version of ftape will lack file - mark support when reading archives produced by zftape. + Despite its name, zftape does NOT use compression by default. config ZFT_DFLT_BLK_SZ int "Default block size" diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index 204a7302a4a..e38a5f0e07b 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -34,7 +34,6 @@ #define DEBUG static char * tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); static int gs_debug; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index f9217763467..1994a92d473 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -597,9 +597,7 @@ static int hvc_poll(struct hvc_struct *hp) /* Read data if any */ for (;;) { - int count = N_INBUF; - if (count > (TTY_FLIPBUF_SIZE - tty->flip.count)) - count = TTY_FLIPBUF_SIZE - tty->flip.count; + int count = tty_buffer_request_room(tty, N_INBUF); /* If flip is full, just reschedule a later read */ if (count == 0) { @@ -635,7 +633,7 @@ static int hvc_poll(struct hvc_struct *hp) tty_insert_flip_char(tty, buf[i], 0); } - if (tty->flip.count) + if (count) tty_schedule_flip(tty); /* diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index 53dc77c760f..831eb4e8d9d 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -456,12 +456,11 @@ static int hvcs_io(struct hvcs_struct *hvcsd) /* remove the read masks */ hvcsd->todo_mask &= ~(HVCS_READ_MASK); - if ((tty->flip.count + HVCS_BUFF_LEN) < TTY_FLIPBUF_SIZE) { + if (tty_buffer_request_room(tty, HVCS_BUFF_LEN) >= HVCS_BUFF_LEN) { got = hvc_get_chars(unit_address, &buf[0], HVCS_BUFF_LEN); - for (i=0;got && i<got;i++) - tty_insert_flip_char(tty, buf[i], TTY_NORMAL); + tty_insert_flip_string(tty, buf, got); } /* Give the TTY time to process the data we just sent. */ @@ -469,10 +468,9 @@ static int hvcs_io(struct hvcs_struct *hvcsd) hvcsd->todo_mask |= HVCS_QUICK_READ; spin_unlock_irqrestore(&hvcsd->lock, flags); - if (tty->flip.count) { - /* This is synch because tty->low_latency == 1 */ + /* This is synch because tty->low_latency == 1 */ + if(got) tty_flip_buffer_push(tty); - } if (!got) { /* Do this _after_ the flip_buffer_push */ diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index a22aa940e01..a9522189fc9 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -197,7 +197,7 @@ static inline void print_state(struct hvsi_struct *hp) }; const char *name = state_names[hp->state]; - if (hp->state > (sizeof(state_names)/sizeof(char*))) + if (hp->state > ARRAY_SIZE(state_names)) name = "UNKNOWN"; pr_debug("hvsi%i: state = %s\n", hp->index, name); diff --git a/drivers/char/hw_random.c b/drivers/char/hw_random.c index 49769f59ea1..b3bc2e37e61 100644 --- a/drivers/char/hw_random.c +++ b/drivers/char/hw_random.c @@ -169,6 +169,7 @@ static struct pci_device_id rng_pci_tbl[] = { { 0x8086, 0x2418, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, { 0x8086, 0x2428, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, + { 0x8086, 0x2430, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, { 0x8086, 0x2448, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, { 0x8086, 0x244e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, { 0x8086, 0x245e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, rng_hw_intel }, diff --git a/drivers/char/ip2/i2lib.c b/drivers/char/ip2/i2lib.c index ba85eb1b6ec..fc944d375be 100644 --- a/drivers/char/ip2/i2lib.c +++ b/drivers/char/ip2/i2lib.c @@ -854,7 +854,7 @@ i2Input(i2ChanStrPtr pCh) count += IBUF_SIZE; } // Don't give more than can be taken by the line discipline - amountToMove = pCh->pTTY->ldisc.receive_room( pCh->pTTY ); + amountToMove = pCh->pTTY->receive_room; if (count > amountToMove) { count = amountToMove; } diff --git a/drivers/char/ip2main.c b/drivers/char/ip2main.c index d815d197dc3..56e93a5a1e2 100644 --- a/drivers/char/ip2main.c +++ b/drivers/char/ip2main.c @@ -172,7 +172,7 @@ static int Fip_firmware_size; /* Private (static) functions */ static int ip2_open(PTTY, struct file *); static void ip2_close(PTTY, struct file *); -static int ip2_write(PTTY, int, const unsigned char *, int); +static int ip2_write(PTTY, const unsigned char *, int); static void ip2_putchar(PTTY, unsigned char); static void ip2_flush_chars(PTTY); static int ip2_write_room(PTTY); @@ -1713,7 +1713,7 @@ ip2_hangup ( PTTY tty ) /* */ /******************************************************************************/ static int -ip2_write( PTTY tty, int user, const unsigned char *pData, int count) +ip2_write( PTTY tty, const unsigned char *pData, int count) { i2ChanStrPtr pCh = tty->driver_data; int bytesSent = 0; @@ -1726,7 +1726,7 @@ ip2_write( PTTY tty, int user, const unsigned char *pData, int count) /* This is the actual move bit. Make sure it does what we need!!!!! */ WRITE_LOCK_IRQSAVE(&pCh->Pbuf_spinlock,flags); - bytesSent = i2Output( pCh, pData, count, user ); + bytesSent = i2Output( pCh, pData, count, 0 ); WRITE_UNLOCK_IRQRESTORE(&pCh->Pbuf_spinlock,flags); ip2trace (CHANN, ITRC_WRITE, ITRC_RETURN, 1, bytesSent ); @@ -2001,7 +2001,9 @@ ip2_stop ( PTTY tty ) static int ip2_tiocmget(struct tty_struct *tty, struct file *file) { i2ChanStrPtr pCh = DevTable[tty->index]; +#ifdef ENABLE_DSSNOW wait_queue_t wait; +#endif if (pCh == NULL) return -ENODEV; @@ -2089,15 +2091,17 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg ) { wait_queue_t wait; i2ChanStrPtr pCh = DevTable[tty->index]; + i2eBordStrPtr pB; struct async_icount cprev, cnow; /* kernel counter temps */ struct serial_icounter_struct __user *p_cuser; int rc = 0; unsigned long flags; void __user *argp = (void __user *)arg; - if ( pCh == NULL ) { + if ( pCh == NULL ) return -ENODEV; - } + + pB = pCh->pMyBord; ip2trace (CHANN, ITRC_IOCTL, ITRC_ENTER, 2, cmd, arg ); @@ -2206,9 +2210,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg ) * for masking). Caller should use TIOCGICOUNT to see which one it was */ case TIOCMIWAIT: - save_flags(flags);cli(); + WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags); cprev = pCh->icount; /* note the counters on entry */ - restore_flags(flags); + WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags); i2QueueCommands(PTYPE_BYPASS, pCh, 100, 4, CMD_DCD_REP, CMD_CTS_REP, CMD_DSR_REP, CMD_RI_REP); init_waitqueue_entry(&wait, current); @@ -2228,9 +2232,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg ) rc = -ERESTARTSYS; break; } - save_flags(flags);cli(); + WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags); cnow = pCh->icount; /* atomic copy */ - restore_flags(flags); + WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags); if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { rc = -EIO; /* no change => rc */ @@ -2268,9 +2272,9 @@ ip2_ioctl ( PTTY tty, struct file *pFile, UINT cmd, ULONG arg ) case TIOCGICOUNT: ip2trace (CHANN, ITRC_IOCTL, 11, 1, rc ); - save_flags(flags);cli(); + WRITE_LOCK_IRQSAVE(&pB->read_fifo_spinlock, flags); cnow = pCh->icount; - restore_flags(flags); + WRITE_UNLOCK_IRQRESTORE(&pB->read_fifo_spinlock, flags); p_cuser = argp; rc = put_user(cnow.cts, &p_cuser->cts); rc = put_user(cnow.dsr, &p_cuser->dsr); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 561430ed94a..0097f06fa67 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -57,6 +57,7 @@ static int initialized = 0; #ifdef CONFIG_PROC_FS struct proc_dir_entry *proc_ipmi_root = NULL; +EXPORT_SYMBOL(proc_ipmi_root); #endif /* CONFIG_PROC_FS */ #define MAX_EVENTS_IN_QUEUE 25 @@ -3295,6 +3296,5 @@ EXPORT_SYMBOL(ipmi_get_my_address); EXPORT_SYMBOL(ipmi_set_my_LUN); EXPORT_SYMBOL(ipmi_get_my_LUN); EXPORT_SYMBOL(ipmi_smi_add_proc_entry); -EXPORT_SYMBOL(proc_ipmi_root); EXPORT_SYMBOL(ipmi_user_set_run_to_completion); EXPORT_SYMBOL(ipmi_free_recv_msg); diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index e053eade036..49c09ae004b 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -612,11 +612,14 @@ static int ipmi_poweroff_init (void) #endif rv = ipmi_smi_watcher_register(&smi_watcher); + +#ifdef CONFIG_PROC_FS if (rv) { unregister_sysctl_table(ipmi_table_header); printk(KERN_ERR PFX "Unable to register SMI watcher: %d\n", rv); goto out_err; } +#endif out_err: return rv; diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index beea450ee4b..c67ef3e47ad 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1056,7 +1056,7 @@ MODULE_PARM_DESC(slave_addrs, "Set the default IPMB slave address for" #define IPMI_MEM_ADDR_SPACE 1 #define IPMI_IO_ADDR_SPACE 2 -#if defined(CONFIG_ACPI) || defined(CONFIG_X86) || defined(CONFIG_PCI) +#if defined(CONFIG_ACPI) || defined(CONFIG_DMI) || defined(CONFIG_PCI) static int is_new_interface(int intf, u8 addr_space, unsigned long base_addr) { int i; @@ -1669,7 +1669,7 @@ static int try_init_acpi(int intf_num, struct smi_info **new_info) } #endif -#ifdef CONFIG_X86 +#ifdef CONFIG_DMI typedef struct dmi_ipmi_data { u8 type; @@ -1829,7 +1829,7 @@ static int try_init_smbios(int intf_num, struct smi_info **new_info) ipmi_data->slave_addr); return 0; } -#endif /* CONFIG_X86 */ +#endif /* CONFIG_DMI */ #ifdef CONFIG_PCI @@ -2222,7 +2222,7 @@ static int init_one_smi(int intf_num, struct smi_info **smi) if (rv && si_trydefaults) rv = try_init_acpi(intf_num, &new_smi); #endif -#ifdef CONFIG_X86 +#ifdef CONFIG_DMI if (rv && si_trydefaults) rv = try_init_smbios(intf_num, &new_smi); #endif @@ -2433,7 +2433,7 @@ static __init int init_ipmi_si(void) printk(KERN_INFO "IPMI System Interface driver.\n"); -#ifdef CONFIG_X86 +#ifdef CONFIG_DMI dmi_find_bmc(); #endif diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 1bbf507adda..e9ebabaf8cb 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -20,7 +20,7 @@ * 3/9/99 sameer Added support for ISI4616 cards. * * 16/9/99 sameer We do not force RTS low anymore. - * This is to prevent the firmware + * This is to prevent the firmware * from getting confused. * * 26/10/99 sameer Cosmetic changes:The driver now @@ -31,28 +31,28 @@ * * 10/5/00 sameer Fixed isicom_shutdown_board() * to not lower DTR on all the ports - * when the last port on the card is + * when the last port on the card is * closed. * * 10/5/00 sameer Signal mask setup command added - * to isicom_setup_port and + * to isicom_setup_port and * isicom_shutdown_port. * * 24/5/00 sameer The driver is now SMP aware. - * - * + * + * * 27/11/00 Vinayak P Risbud Fixed the Driver Crash Problem - * - * + * + * * 03/01/01 anil .s Added support for resetting the * internal modems on ISI cards. * * 08/02/01 anil .s Upgraded the driver for kernel * 2.4.x * - * 11/04/01 Kevin Fixed firmware load problem with + * 11/04/01 Kevin Fixed firmware load problem with * ISIHP-4X card - * + * * 30/04/01 anil .s Fixed the remote login through * ISI port problem. Now the link * does not go down before password @@ -62,9 +62,9 @@ * among ISI-PCI cards. * * 03/05/01 anil .s Added support to display the version - * info during insmod as well as module + * info during insmod as well as module * listing by lsmod. - * + * * 10/05/01 anil .s Done the modifications to the source * file and Install script so that the * same installation can be used for @@ -73,19 +73,19 @@ * 06/06/01 anil .s Now we drop both dtr and rts during * shutdown_port as well as raise them * during isicom_config_port. - * + * * 09/06/01 acme@conectiva.com.br use capable, not suser, do * restore_flags on failure in * isicom_send_break, verify put_user * result * - * 11/02/03 ranjeeth Added support for 230 Kbps and 460 Kbps - * Baud index extended to 21 - * - * 20/03/03 ranjeeth Made to work for Linux Advanced server. - * Taken care of license warning. - * - * 10/12/03 Ravindra Made to work for Fedora Core 1 of + * 11/02/03 ranjeeth Added support for 230 Kbps and 460 Kbps + * Baud index extended to 21 + * + * 20/03/03 ranjeeth Made to work for Linux Advanced server. + * Taken care of license warning. + * + * 10/12/03 Ravindra Made to work for Fedora Core 1 of * Red Hat Distribution * * 06/01/05 Alan Cox Merged the ISI and base kernel strands @@ -93,10 +93,10 @@ * * *********************************************************** * - * To use this driver you also need the support package. You + * To use this driver you also need the support package. You * can find this in RPM format on * ftp://ftp.linux.org.uk/pub/linux/alan - * + * * You can find the original tools for this direct from Multitech * ftp://ftp.multitech.com/ISI-Cards/ * @@ -107,20 +107,20 @@ * Omit those entries for boards you don't have installed. * * TODO - * Hotplug * Merge testing * 64-bit verification */ #include <linux/module.h> +#include <linux/firmware.h> #include <linux/kernel.h> #include <linux/tty.h> +#include <linux/tty_flip.h> #include <linux/termios.h> #include <linux/fs.h> #include <linux/sched.h> #include <linux/serial.h> #include <linux/mm.h> -#include <linux/miscdevice.h> #include <linux/interrupt.h> #include <linux/timer.h> #include <linux/delay.h> @@ -134,50 +134,62 @@ #include <linux/isicom.h> +#define InterruptTheCard(base) outw(0, (base) + 0xc) +#define ClearInterrupt(base) inw((base) + 0x0a) + +#ifdef DEBUG +#define pr_dbg(str...) printk(KERN_DEBUG "ISICOM: " str) +#define isicom_paranoia_check(a, b, c) __isicom_paranoia_check((a), (b), (c)) +#else +#define pr_dbg(str...) do { } while (0) +#define isicom_paranoia_check(a, b, c) 0 +#endif + +static int isicom_probe(struct pci_dev *, const struct pci_device_id *); +static void __devexit isicom_remove(struct pci_dev *); + static struct pci_device_id isicom_pci_tbl[] = { - { VENDOR_ID, 0x2028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2051, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2052, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2054, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2056, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2057, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - { VENDOR_ID, 0x2058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_DEVICE(VENDOR_ID, 0x2028) }, + { PCI_DEVICE(VENDOR_ID, 0x2051) }, + { PCI_DEVICE(VENDOR_ID, 0x2052) }, + { PCI_DEVICE(VENDOR_ID, 0x2053) }, + { PCI_DEVICE(VENDOR_ID, 0x2054) }, + { PCI_DEVICE(VENDOR_ID, 0x2055) }, + { PCI_DEVICE(VENDOR_ID, 0x2056) }, + { PCI_DEVICE(VENDOR_ID, 0x2057) }, + { PCI_DEVICE(VENDOR_ID, 0x2058) }, { 0 } }; MODULE_DEVICE_TABLE(pci, isicom_pci_tbl); +static struct pci_driver isicom_driver = { + .name = "isicom", + .id_table = isicom_pci_tbl, + .probe = isicom_probe, + .remove = __devexit_p(isicom_remove) +}; + static int prev_card = 3; /* start servicing isi_card[0] */ static struct tty_driver *isicom_normal; static struct timer_list tx; static char re_schedule = 1; -#ifdef ISICOM_DEBUG -static unsigned long tx_count = 0; -#endif - -static int ISILoad_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); static void isicom_tx(unsigned long _data); -static void isicom_start(struct tty_struct * tty); - -static unsigned char * tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); +static void isicom_start(struct tty_struct *tty); /* baud index mappings from linux defns to isi */ static signed char linuxb_to_isib[] = { - -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, - 18, 19 + -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16, 17, 18, 19 }; struct isi_board { - unsigned short base; + unsigned long base; unsigned char irq; unsigned char port_count; unsigned short status; - unsigned short port_status; /* each bit represents a single port */ + unsigned short port_status; /* each bit for each port */ unsigned short shift_count; struct isi_port * ports; signed char count; @@ -192,9 +204,9 @@ struct isi_port { int count; int blocked_open; int close_delay; - unsigned short channel; - unsigned short status; - unsigned short closing_wait; + u16 channel; + u16 status; + u16 closing_wait; struct isi_board * card; struct tty_struct * tty; wait_queue_head_t close_wait; @@ -215,35 +227,37 @@ static struct isi_port isi_ports[PORT_COUNT]; * the kernel lock for the card and have the card in a position that * it wants to talk. */ - + static int lock_card(struct isi_board *card) { char retries; - unsigned short base = card->base; + unsigned long base = card->base; for (retries = 0; retries < 100; retries++) { spin_lock_irqsave(&card->card_lock, card->flags); if (inw(base + 0xe) & 0x1) { - return 1; + return 1; } else { spin_unlock_irqrestore(&card->card_lock, card->flags); udelay(1000); /* 1ms */ } } - printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%x)\n", card->base); + printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%lx)\n", + card->base); + return 0; /* Failed to aquire the card! */ } static int lock_card_at_interrupt(struct isi_board *card) { unsigned char retries; - unsigned short base = card->base; + unsigned long base = card->base; for (retries = 0; retries < 200; retries++) { spin_lock_irqsave(&card->card_lock, card->flags); if (inw(base + 0xe) & 0x1) - return 1; + return 1; else spin_unlock_irqrestore(&card->card_lock, card->flags); } @@ -259,373 +273,141 @@ static void unlock_card(struct isi_board *card) /* * ISI Card specific ops ... */ - -static void raise_dtr(struct isi_port * port) + +static void raise_dtr(struct isi_port *port) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0504, base); InterruptTheCard(base); port->status |= ISI_DTR; unlock_card(card); } -static inline void drop_dtr(struct isi_port * port) -{ - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; +static inline void drop_dtr(struct isi_port *port) +{ + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0404, base); - InterruptTheCard(base); + InterruptTheCard(base); port->status &= ~ISI_DTR; unlock_card(card); } -static inline void raise_rts(struct isi_port * port) +static inline void raise_rts(struct isi_port *port) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0a04, base); - InterruptTheCard(base); + InterruptTheCard(base); port->status |= ISI_RTS; unlock_card(card); } -static inline void drop_rts(struct isi_port * port) +static inline void drop_rts(struct isi_port *port) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0804, base); - InterruptTheCard(base); + InterruptTheCard(base); port->status &= ~ISI_RTS; unlock_card(card); } -static inline void raise_dtr_rts(struct isi_port * port) +static inline void raise_dtr_rts(struct isi_port *port) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0f04, base); InterruptTheCard(base); port->status |= (ISI_DTR | ISI_RTS); unlock_card(card); } -static void drop_dtr_rts(struct isi_port * port) +static void drop_dtr_rts(struct isi_port *port) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw(0x0c04, base); - InterruptTheCard(base); + InterruptTheCard(base); port->status &= ~(ISI_RTS | ISI_DTR); unlock_card(card); } -static inline void kill_queue(struct isi_port * port, short queue) +static inline void kill_queue(struct isi_port *port, short queue) { - struct isi_board * card = port->card; - unsigned short base = card->base; - unsigned char channel = port->channel; + struct isi_board *card = port->card; + unsigned long base = card->base; + u16 channel = port->channel; if (!lock_card(card)) return; - outw(0x8000 | (channel << card->shift_count) | 0x02 , base); + outw(0x8000 | (channel << card->shift_count) | 0x02, base); outw((queue << 8) | 0x06, base); - InterruptTheCard(base); + InterruptTheCard(base); unlock_card(card); } - -/* - * Firmware loader driver specific routines. This needs to mostly die - * and be replaced with request_firmware. - */ - -static struct file_operations ISILoad_fops = { - .owner = THIS_MODULE, - .ioctl = ISILoad_ioctl, -}; - -static struct miscdevice isiloader_device = { - ISILOAD_MISC_MINOR, "isictl", &ISILoad_fops -}; - - -static inline int WaitTillCardIsFree(unsigned short base) -{ - unsigned long count=0; - while( (!(inw(base+0xe) & 0x1)) && (count++ < 6000000)); - if (inw(base+0xe)&0x1) - return 0; - else - return 1; -} - -static int ISILoad_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - unsigned int card, i, j, signature, status, portcount = 0; - unsigned long t; - unsigned short word_count, base; - bin_frame frame; - void __user *argp = (void __user *)arg; - /* exec_record exec_rec; */ - - if(get_user(card, (int __user *)argp)) - return -EFAULT; - - if(card < 0 || card >= BOARD_COUNT) - return -ENXIO; - - base=isi_card[card].base; - - if(base==0) - return -ENXIO; /* disabled or not used */ - - switch(cmd) { - case MIOCTL_RESET_CARD: - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - printk(KERN_DEBUG "ISILoad:Resetting Card%d at 0x%x ",card+1,base); - - inw(base+0x8); - - for(t=jiffies+HZ/100;time_before(jiffies, t);); - - outw(0,base+0x8); /* Reset */ - - for(j=1;j<=3;j++) { - for(t=jiffies+HZ;time_before(jiffies, t);); - printk("."); - } - signature=(inw(base+0x4)) & 0xff; - if (isi_card[card].isa) { - - if (!(inw(base+0xe) & 0x1) || (inw(base+0x2))) { -#ifdef ISICOM_DEBUG - printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe)); -#endif - printk("\nISILoad:ISA Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base); - return -EIO; - } - } - else { - portcount = inw(base+0x2); - if (!(inw(base+0xe) & 0x1) || ((portcount!=0) && (portcount!=4) && (portcount!=8))) { -#ifdef ISICOM_DEBUG - printk("\nbase+0x2=0x%x , base+0xe=0x%x",inw(base+0x2),inw(base+0xe)); -#endif - printk("\nISILoad:PCI Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base); - return -EIO; - } - } - switch(signature) { - case 0xa5: - case 0xbb: - case 0xdd: - if (isi_card[card].isa) - isi_card[card].port_count = 8; - else { - if (portcount == 4) - isi_card[card].port_count = 4; - else - isi_card[card].port_count = 8; - } - isi_card[card].shift_count = 12; - break; - - case 0xcc: isi_card[card].port_count = 16; - isi_card[card].shift_count = 11; - break; - - default: printk("ISILoad:Card%d reset failure (Possible bad I/O Port Address 0x%x).\n",card+1,base); -#ifdef ISICOM_DEBUG - printk("Sig=0x%x\n",signature); -#endif - return -EIO; - } - printk("-Done\n"); - return put_user(signature,(unsigned __user *)argp); - - case MIOCTL_LOAD_FIRMWARE: - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - if(copy_from_user(&frame, argp, sizeof(bin_frame))) - return -EFAULT; - - if (WaitTillCardIsFree(base)) - return -EIO; - - outw(0xf0,base); /* start upload sequence */ - outw(0x00,base); - outw((frame.addr), base);/* lsb of adderess */ - - word_count=(frame.count >> 1) + frame.count % 2; - outw(word_count, base); - InterruptTheCard(base); - - for(i=0;i<=0x2f;i++); /* a wee bit of delay */ - - if (WaitTillCardIsFree(base)) - return -EIO; - - if ((status=inw(base+0x4))!=0) { - printk(KERN_WARNING "ISILoad:Card%d rejected load header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n", - card+1, frame.addr, frame.count, status); - return -EIO; - } - outsw(base, (void *) frame.bin_data, word_count); - - InterruptTheCard(base); - - for(i=0;i<=0x0f;i++); /* another wee bit of delay */ - - if (WaitTillCardIsFree(base)) - return -EIO; - - if ((status=inw(base+0x4))!=0) { - printk(KERN_ERR "ISILoad:Card%d got out of sync.Card Status:0x%x\n",card+1, status); - return -EIO; - } - return 0; - - case MIOCTL_READ_FIRMWARE: - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - if(copy_from_user(&frame, argp, sizeof(bin_header))) - return -EFAULT; - - if (WaitTillCardIsFree(base)) - return -EIO; - - outw(0xf1,base); /* start download sequence */ - outw(0x00,base); - outw((frame.addr), base);/* lsb of adderess */ - - word_count=(frame.count >> 1) + frame.count % 2; - outw(word_count+1, base); - InterruptTheCard(base); - - for(i=0;i<=0xf;i++); /* a wee bit of delay */ - - if (WaitTillCardIsFree(base)) - return -EIO; - - if ((status=inw(base+0x4))!=0) { - printk(KERN_WARNING "ISILoad:Card%d rejected verify header:\nAddress:0x%x \nCount:0x%x \nStatus:0x%x \n", - card+1, frame.addr, frame.count, status); - return -EIO; - } - - inw(base); - insw(base, frame.bin_data, word_count); - InterruptTheCard(base); - - for(i=0;i<=0x0f;i++); /* another wee bit of delay */ - - if (WaitTillCardIsFree(base)) - return -EIO; - - if ((status=inw(base+0x4))!=0) { - printk(KERN_ERR "ISILoad:Card%d verify got out of sync.Card Status:0x%x\n",card+1, status); - return -EIO; - } - - if(copy_to_user(argp, &frame, sizeof(bin_frame))) - return -EFAULT; - return 0; - - case MIOCTL_XFER_CTRL: - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (WaitTillCardIsFree(base)) - return -EIO; - - outw(0xf2, base); - outw(0x800, base); - outw(0x0, base); - outw(0x0, base); - InterruptTheCard(base); - outw(0x0, base+0x4); /* for ISI4608 cards */ - - isi_card[card].status |= FIRMWARE_LOADED; - return 0; - - default: -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISILoad: Received Ioctl cmd 0x%x.\n", cmd); -#endif - return -ENOIOCTLCMD; - - } - -} - - /* * ISICOM Driver specific routines ... * */ - -static inline int isicom_paranoia_check(struct isi_port const * port, char *name, - const char * routine) + +static inline int __isicom_paranoia_check(struct isi_port const *port, + char *name, const char *routine) { -#ifdef ISICOM_DEBUG - static const char * badmagic = - KERN_WARNING "ISICOM: Warning: bad isicom magic for dev %s in %s.\n"; - static const char * badport = - KERN_WARNING "ISICOM: Warning: NULL isicom port for dev %s in %s.\n"; if (!port) { - printk(badport, name, routine); + printk(KERN_WARNING "ISICOM: Warning: bad isicom magic for " + "dev %s in %s.\n", name, routine); return 1; } if (port->magic != ISICOM_MAGIC) { - printk(badmagic, name, routine); + printk(KERN_WARNING "ISICOM: Warning: NULL isicom port for " + "dev %s in %s.\n", name, routine); return 1; - } -#endif + } + return 0; } - + /* - * Transmitter. + * Transmitter. * * We shovel data into the card buffers on a regular basis. The card * will do the rest of the work for us. @@ -635,25 +417,21 @@ static void isicom_tx(unsigned long _data) { short count = (BOARD_COUNT-1), card, base; short txcount, wrd, residue, word_count, cnt; - struct isi_port * port; - struct tty_struct * tty; - -#ifdef ISICOM_DEBUG - ++tx_count; -#endif - + struct isi_port *port; + struct tty_struct *tty; + /* find next active board */ card = (prev_card + 1) & 0x0003; while(count-- > 0) { - if (isi_card[card].status & BOARD_ACTIVE) + if (isi_card[card].status & BOARD_ACTIVE) break; - card = (card + 1) & 0x0003; + card = (card + 1) & 0x0003; } if (!(isi_card[card].status & BOARD_ACTIVE)) goto sched_again; - + prev_card = card; - + count = isi_card[card].port_count; port = isi_card[card].ports; base = isi_card[card].base; @@ -662,18 +440,18 @@ static void isicom_tx(unsigned long _data) continue; /* port not active or tx disabled to force flow control */ if (!(port->flags & ASYNC_INITIALIZED) || - !(port->status & ISI_TXOK)) + !(port->status & ISI_TXOK)) unlock_card(&isi_card[card]); continue; - + tty = port->tty; - - - if(tty == NULL) { + + + if (tty == NULL) { unlock_card(&isi_card[card]); continue; } - + txcount = min_t(short, TX_SIZE, port->xmit_cnt); if (txcount <= 0 || tty->stopped || tty->hw_stopped) { unlock_card(&isi_card[card]); @@ -681,44 +459,45 @@ static void isicom_tx(unsigned long _data) } if (!(inw(base + 0x02) & (1 << port->channel))) { unlock_card(&isi_card[card]); - continue; + continue; } -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: txing %d bytes, port%d.\n", - txcount, port->channel+1); -#endif - outw((port->channel << isi_card[card].shift_count) | txcount - , base); + pr_dbg("txing %d bytes, port%d.\n", txcount, + port->channel + 1); + outw((port->channel << isi_card[card].shift_count) | txcount, + base); residue = NO; - wrd = 0; + wrd = 0; while (1) { - cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE - port->xmit_tail)); + cnt = min_t(int, txcount, (SERIAL_XMIT_SIZE + - port->xmit_tail)); if (residue == YES) { residue = NO; if (cnt > 0) { - wrd |= (port->xmit_buf[port->xmit_tail] << 8); - port->xmit_tail = (port->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1); + wrd |= (port->xmit_buf[port->xmit_tail] + << 8); + port->xmit_tail = (port->xmit_tail + 1) + & (SERIAL_XMIT_SIZE - 1); port->xmit_cnt--; txcount--; cnt--; - outw(wrd, base); - } - else { + outw(wrd, base); + } else { outw(wrd, base); break; } - } + } if (cnt <= 0) break; word_count = cnt >> 1; - outsw(base, port->xmit_buf+port->xmit_tail, word_count); - port->xmit_tail = (port->xmit_tail + (word_count << 1)) & - (SERIAL_XMIT_SIZE - 1); + outsw(base, port->xmit_buf+port->xmit_tail,word_count); + port->xmit_tail = (port->xmit_tail + + (word_count << 1)) & (SERIAL_XMIT_SIZE - 1); txcount -= (word_count << 1); port->xmit_cnt -= (word_count << 1); if (cnt & 0x0001) { residue = YES; wrd = port->xmit_buf[port->xmit_tail]; - port->xmit_tail = (port->xmit_tail + 1) & (SERIAL_XMIT_SIZE - 1); + port->xmit_tail = (port->xmit_tail + 1) + & (SERIAL_XMIT_SIZE - 1); port->xmit_cnt--; txcount--; } @@ -730,81 +509,82 @@ static void isicom_tx(unsigned long _data) if (port->xmit_cnt <= WAKEUP_CHARS) schedule_work(&port->bh_tqueue); unlock_card(&isi_card[card]); - } + } + + /* schedule another tx for hopefully in about 10ms */ +sched_again: + if (!re_schedule) { + re_schedule = 2; + return; + } - /* schedule another tx for hopefully in about 10ms */ -sched_again: - if (!re_schedule) - return; init_timer(&tx); tx.expires = jiffies + HZ/100; tx.data = 0; tx.function = isicom_tx; add_timer(&tx); - - return; -} - + + return; +} + /* Interrupt handlers */ - -static void isicom_bottomhalf(void * data) + +static void isicom_bottomhalf(void *data) { - struct isi_port * port = (struct isi_port *) data; - struct tty_struct * tty = port->tty; - + struct isi_port *port = (struct isi_port *) data; + struct tty_struct *tty = port->tty; + if (!tty) return; - tty_wakeup(tty); + tty_wakeup(tty); wake_up_interruptible(&tty->write_wait); -} - +} + /* - * Main interrupt handler routine + * Main interrupt handler routine */ - -static irqreturn_t isicom_interrupt(int irq, void *dev_id, - struct pt_regs *regs) + +static irqreturn_t isicom_interrupt(int irq, void *dev_id, struct pt_regs *regs) { - struct isi_board * card; - struct isi_port * port; - struct tty_struct * tty; - unsigned short base, header, word_count, count; - unsigned char channel; + struct isi_board *card = dev_id; + struct isi_port *port; + struct tty_struct *tty; + unsigned long base; + u16 header, word_count, count, channel; short byte_count; - - card = (struct isi_board *) dev_id; + unsigned char *rp; if (!card || !(card->status & FIRMWARE_LOADED)) return IRQ_NONE; - + base = card->base; spin_lock(&card->card_lock); - + if (card->isa == NO) { /* - * disable any interrupts from the PCI card and lower the - * interrupt line + * disable any interrupts from the PCI card and lower the + * interrupt line */ outw(0x8000, base+0x04); ClearInterrupt(base); } - + inw(base); /* get the dummy word out */ header = inw(base); channel = (header & 0x7800) >> card->shift_count; byte_count = header & 0xff; if (channel + 1 > card->port_count) { - printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%x): %d(channel) > port_count.\n", - base, channel+1); + printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): " + "%d(channel) > port_count.\n", base, channel+1); if (card->isa) ClearInterrupt(base); else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ spin_unlock(&card->card_lock); - return IRQ_HANDLED; + return IRQ_HANDLED; } port = card->ports + channel; if (!(port->flags & ASYNC_INITIALIZED)) { @@ -813,8 +593,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, else outw(0x0000, base+0x04); /* enable interrupts */ return IRQ_HANDLED; - } - + } + tty = port->tty; if (tty == NULL) { word_count = byte_count >> 1; @@ -831,224 +611,204 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id, spin_unlock(&card->card_lock); return IRQ_HANDLED; } - + if (header & 0x8000) { /* Status Packet */ header = inw(base); switch(header & 0xff) { - case 0: /* Change in EIA signals */ - - if (port->flags & ASYNC_CHECK_CD) { - if (port->status & ISI_DCD) { - if (!(header & ISI_DCD)) { - /* Carrier has been lost */ -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: interrupt: DCD->low.\n"); -#endif - port->status &= ~ISI_DCD; - schedule_work(&port->hangup_tq); - } - } - else { - if (header & ISI_DCD) { - /* Carrier has been detected */ -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: interrupt: DCD->high.\n"); -#endif - port->status |= ISI_DCD; - wake_up_interruptible(&port->open_wait); - } - } - } - else { - if (header & ISI_DCD) - port->status |= ISI_DCD; - else + case 0: /* Change in EIA signals */ + if (port->flags & ASYNC_CHECK_CD) { + if (port->status & ISI_DCD) { + if (!(header & ISI_DCD)) { + /* Carrier has been lost */ + pr_dbg("interrupt: DCD->low.\n" + ); port->status &= ~ISI_DCD; - } - - if (port->flags & ASYNC_CTS_FLOW) { - if (port->tty->hw_stopped) { - if (header & ISI_CTS) { - port->tty->hw_stopped = 0; - /* start tx ing */ - port->status |= (ISI_TXOK | ISI_CTS); - schedule_work(&port->bh_tqueue); - } - } - else { - if (!(header & ISI_CTS)) { - port->tty->hw_stopped = 1; - /* stop tx ing */ - port->status &= ~(ISI_TXOK | ISI_CTS); - } + schedule_work(&port->hangup_tq); } + } else if (header & ISI_DCD) { + /* Carrier has been detected */ + pr_dbg("interrupt: DCD->high.\n"); + port->status |= ISI_DCD; + wake_up_interruptible(&port->open_wait); } - else { - if (header & ISI_CTS) - port->status |= ISI_CTS; - else - port->status &= ~ISI_CTS; - } - - if (header & ISI_DSR) - port->status |= ISI_DSR; + } else { + if (header & ISI_DCD) + port->status |= ISI_DCD; else - port->status &= ~ISI_DSR; - - if (header & ISI_RI) - port->status |= ISI_RI; + port->status &= ~ISI_DCD; + } + + if (port->flags & ASYNC_CTS_FLOW) { + if (port->tty->hw_stopped) { + if (header & ISI_CTS) { + port->tty->hw_stopped = 0; + /* start tx ing */ + port->status |= (ISI_TXOK + | ISI_CTS); + schedule_work(&port->bh_tqueue); + } + } else if (!(header & ISI_CTS)) { + port->tty->hw_stopped = 1; + /* stop tx ing */ + port->status &= ~(ISI_TXOK | ISI_CTS); + } + } else { + if (header & ISI_CTS) + port->status |= ISI_CTS; else - port->status &= ~ISI_RI; - - break; - - case 1: /* Received Break !!! */ - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - break; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; - tty->flip.count++; - if (port->flags & ASYNC_SAK) - do_SAK(tty); - schedule_delayed_work(&tty->flip.work, 1); - break; - - case 2: /* Statistics */ - printk(KERN_DEBUG "ISICOM: isicom_interrupt: stats!!!.\n"); - break; - - default: - printk(KERN_WARNING "ISICOM: Intr: Unknown code in status packet.\n"); - break; - } - } - else { /* Data Packet */ - count = min_t(unsigned short, byte_count, (TTY_FLIPBUF_SIZE - tty->flip.count)); -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: Intr: Can rx %d of %d bytes.\n", - count, byte_count); -#endif + port->status &= ~ISI_CTS; + } + + if (header & ISI_DSR) + port->status |= ISI_DSR; + else + port->status &= ~ISI_DSR; + + if (header & ISI_RI) + port->status |= ISI_RI; + else + port->status &= ~ISI_RI; + + break; + + case 1: /* Received Break !!! */ + tty_insert_flip_char(tty, 0, TTY_BREAK); + if (port->flags & ASYNC_SAK) + do_SAK(tty); + tty_flip_buffer_push(tty); + break; + + case 2: /* Statistics */ + pr_dbg("isicom_interrupt: stats!!!.\n"); + break; + + default: + pr_dbg("Intr: Unknown code in status packet.\n"); + break; + } + } else { /* Data Packet */ + + count = tty_prepare_flip_string(tty, &rp, byte_count & ~1); + pr_dbg("Intr: Can rx %d of %d bytes.\n", count, byte_count); word_count = count >> 1; - insw(base, tty->flip.char_buf_ptr, word_count); - tty->flip.char_buf_ptr += (word_count << 1); + insw(base, rp, word_count); byte_count -= (word_count << 1); if (count & 0x0001) { - *tty->flip.char_buf_ptr++ = (char)(inw(base) & 0xff); + tty_insert_flip_char(tty, inw(base) & 0xff, + TTY_NORMAL); byte_count -= 2; - } - memset(tty->flip.flag_buf_ptr, 0, count); - tty->flip.flag_buf_ptr += count; - tty->flip.count += count; - + } if (byte_count > 0) { - printk(KERN_DEBUG "ISICOM: Intr(0x%x:%d): Flip buffer overflow! dropping bytes...\n", - base, channel+1); + pr_dbg("Intr(0x%lx:%d): Flip buffer overflow! dropping " + "bytes...\n", base, channel + 1); while(byte_count > 0) { /* drain out unread xtra data */ inw(base); byte_count -= 2; } } - schedule_delayed_work(&tty->flip.work, 1); + tty_flip_buffer_push(tty); } if (card->isa == YES) ClearInterrupt(base); else - outw(0x0000, base+0x04); /* enable interrupts */ + outw(0x0000, base+0x04); /* enable interrupts */ + return IRQ_HANDLED; -} +} -static void isicom_config_port(struct isi_port * port) +static void isicom_config_port(struct isi_port *port) { - struct isi_board * card = port->card; - struct tty_struct * tty; + struct isi_board *card = port->card; + struct tty_struct *tty; unsigned long baud; - unsigned short channel_setup, base = card->base; - unsigned short channel = port->channel, shift_count = card->shift_count; + unsigned long base = card->base; + u16 channel_setup, channel = port->channel, + shift_count = card->shift_count; unsigned char flow_ctrl; - + if (!(tty = port->tty) || !tty->termios) return; baud = C_BAUD(tty); if (baud & CBAUDEX) { baud &= ~CBAUDEX; - + /* if CBAUDEX bit is on and the baud is set to either 50 or 75 * then the card is programmed for 57.6Kbps or 115Kbps * respectively. - */ - + */ + if (baud < 1 || baud > 2) port->tty->termios->c_cflag &= ~CBAUDEX; else baud += 15; - } + } if (baud == 15) { - - /* the ASYNC_SPD_HI and ASYNC_SPD_VHI options are set + + /* the ASYNC_SPD_HI and ASYNC_SPD_VHI options are set * by the set_serial_info ioctl ... this is done by * the 'setserial' utility. - */ - + */ + if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) - baud++; /* 57.6 Kbps */ + baud++; /* 57.6 Kbps */ if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) - baud +=2; /* 115 Kbps */ + baud +=2; /* 115 Kbps */ } if (linuxb_to_isib[baud] == -1) { /* hang up */ - drop_dtr(port); - return; - } - else + drop_dtr(port); + return; + } + else raise_dtr(port); - + if (lock_card(card)) { outw(0x8000 | (channel << shift_count) |0x03, base); outw(linuxb_to_isib[baud] << 8 | 0x03, base); channel_setup = 0; switch(C_CSIZE(tty)) { - case CS5: - channel_setup |= ISICOM_CS5; - break; - case CS6: - channel_setup |= ISICOM_CS6; - break; - case CS7: - channel_setup |= ISICOM_CS7; - break; - case CS8: - channel_setup |= ISICOM_CS8; - break; + case CS5: + channel_setup |= ISICOM_CS5; + break; + case CS6: + channel_setup |= ISICOM_CS6; + break; + case CS7: + channel_setup |= ISICOM_CS7; + break; + case CS8: + channel_setup |= ISICOM_CS8; + break; } - + if (C_CSTOPB(tty)) channel_setup |= ISICOM_2SB; if (C_PARENB(tty)) { channel_setup |= ISICOM_EVPAR; if (C_PARODD(tty)) - channel_setup |= ISICOM_ODPAR; + channel_setup |= ISICOM_ODPAR; } - outw(channel_setup, base); + outw(channel_setup, base); InterruptTheCard(base); - unlock_card(card); - } + unlock_card(card); + } if (C_CLOCAL(tty)) port->flags &= ~ASYNC_CHECK_CD; else - port->flags |= ASYNC_CHECK_CD; - + port->flags |= ASYNC_CHECK_CD; + /* flow control settings ...*/ flow_ctrl = 0; port->flags &= ~ASYNC_CTS_FLOW; if (C_CRTSCTS(tty)) { port->flags |= ASYNC_CTS_FLOW; flow_ctrl |= ISICOM_CTSRTS; - } - if (I_IXON(tty)) + } + if (I_IXON(tty)) flow_ctrl |= ISICOM_RESPOND_XONXOFF; if (I_IXOFF(tty)) - flow_ctrl |= ISICOM_INITIATE_XONXOFF; - + flow_ctrl |= ISICOM_INITIATE_XONXOFF; + if (lock_card(card)) { outw(0x8000 | (channel << shift_count) |0x04, base); outw(flow_ctrl << 8 | 0x05, base); @@ -1056,22 +816,22 @@ static void isicom_config_port(struct isi_port * port) InterruptTheCard(base); unlock_card(card); } - + /* rx enabled -> enable port for rx on the card */ if (C_CREAD(tty)) { card->port_status |= (1 << channel); outw(card->port_status, base + 0x02); } } - -/* open et all */ -static inline void isicom_setup_board(struct isi_board * bp) +/* open et all */ + +static inline void isicom_setup_board(struct isi_board *bp) { int channel; - struct isi_port * port; + struct isi_port *port; unsigned long flags; - + spin_lock_irqsave(&bp->card_lock, flags); if (bp->status & BOARD_ACTIVE) { spin_unlock_irqrestore(&bp->card_lock, flags); @@ -1080,53 +840,54 @@ static inline void isicom_setup_board(struct isi_board * bp) port = bp->ports; bp->status |= BOARD_ACTIVE; spin_unlock_irqrestore(&bp->card_lock, flags); - for(channel = 0; channel < bp->port_count; channel++, port++) + for (channel = 0; channel < bp->port_count; channel++, port++) drop_dtr_rts(port); return; } - -static int isicom_setup_port(struct isi_port * port) + +static int isicom_setup_port(struct isi_port *port) { - struct isi_board * card = port->card; + struct isi_board *card = port->card; unsigned long flags; - + if (port->flags & ASYNC_INITIALIZED) { return 0; } if (!port->xmit_buf) { unsigned long page; - + if (!(page = get_zeroed_page(GFP_KERNEL))) return -ENOMEM; - + if (port->xmit_buf) { free_page(page); return -ERESTARTSYS; } - port->xmit_buf = (unsigned char *) page; - } + port->xmit_buf = (unsigned char *) page; + } spin_lock_irqsave(&card->card_lock, flags); if (port->tty) clear_bit(TTY_IO_ERROR, &port->tty->flags); if (port->count == 1) card->count++; - + port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; - + /* discard any residual data */ kill_queue(port, ISICOM_KILLTX | ISICOM_KILLRX); - + isicom_config_port(port); port->flags |= ASYNC_INITIALIZED; spin_unlock_irqrestore(&card->card_lock, flags); - - return 0; -} - -static int block_til_ready(struct tty_struct * tty, struct file * filp, struct isi_port * port) + + return 0; +} + +static int block_til_ready(struct tty_struct *tty, struct file *filp, + struct isi_port *port) { - struct isi_board * card = port->card; + struct isi_board *card = port->card; int do_clocal = 0, retval; unsigned long flags; DECLARE_WAITQUEUE(wait, current); @@ -1134,30 +895,27 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i /* block if port is in the process of being closed */ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: block_til_ready: close in progress.\n"); -#endif + pr_dbg("block_til_ready: close in progress.\n"); interruptible_sleep_on(&port->close_wait); if (port->flags & ASYNC_HUP_NOTIFY) return -EAGAIN; else return -ERESTARTSYS; } - + /* if non-blocking mode is set ... */ - - if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: block_til_ready: non-block mode.\n"); -#endif + + if ((filp->f_flags & O_NONBLOCK) || + (tty->flags & (1 << TTY_IO_ERROR))) { + pr_dbg("block_til_ready: non-block mode.\n"); port->flags |= ASYNC_NORMAL_ACTIVE; - return 0; - } - + return 0; + } + if (C_CLOCAL(tty)) do_clocal = 1; - - /* block waiting for DCD to be asserted, and while + + /* block waiting for DCD to be asserted, and while callout dev is busy */ retval = 0; add_wait_queue(&port->open_wait, &wait); @@ -1167,27 +925,27 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i port->count--; port->blocked_open++; spin_unlock_irqrestore(&card->card_lock, flags); - + while (1) { raise_dtr_rts(port); set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) { + if (tty_hung_up_p(filp) || !(port->flags & ASYNC_INITIALIZED)) { if (port->flags & ASYNC_HUP_NOTIFY) retval = -EAGAIN; else retval = -ERESTARTSYS; break; - } + } if (!(port->flags & ASYNC_CLOSING) && - (do_clocal || (port->status & ISI_DCD))) { + (do_clocal || (port->status & ISI_DCD))) { break; - } + } if (signal_pending(current)) { retval = -ERESTARTSYS; break; } - schedule(); + schedule(); } set_current_state(TASK_RUNNING); remove_wait_queue(&port->open_wait, &wait); @@ -1201,11 +959,11 @@ static int block_til_ready(struct tty_struct * tty, struct file * filp, struct i port->flags |= ASYNC_NORMAL_ACTIVE; return 0; } - -static int isicom_open(struct tty_struct * tty, struct file * filp) + +static int isicom_open(struct tty_struct *tty, struct file *filp) { - struct isi_port * port; - struct isi_board * card; + struct isi_port *port; + struct isi_board *card; unsigned int line, board; int error; @@ -1214,20 +972,20 @@ static int isicom_open(struct tty_struct * tty, struct file * filp) return -ENODEV; board = BOARD(line); card = &isi_card[board]; - + if (!(card->status & FIRMWARE_LOADED)) return -ENODEV; - + /* open on a port greater than the port count for the card !!! */ if (line > ((board * 16) + card->port_count - 1)) return -ENODEV; - port = &isi_ports[line]; + port = &isi_ports[line]; if (isicom_paranoia_check(port, tty->name, "isicom_open")) return -ENODEV; - - isicom_setup_board(card); - + + isicom_setup_board(card); + port->count++; tty->driver_data = port; port->tty = tty; @@ -1236,12 +994,12 @@ static int isicom_open(struct tty_struct * tty, struct file * filp) if ((error = block_til_ready(tty, filp, port))!=0) return error; - return 0; + return 0; } - + /* close et all */ -static inline void isicom_shutdown_board(struct isi_board * bp) +static inline void isicom_shutdown_board(struct isi_board *bp) { unsigned long flags; @@ -1252,15 +1010,15 @@ static inline void isicom_shutdown_board(struct isi_board * bp) spin_unlock_irqrestore(&bp->card_lock, flags); } -static void isicom_shutdown_port(struct isi_port * port) +static void isicom_shutdown_port(struct isi_port *port) { - struct isi_board * card = port->card; - struct tty_struct * tty; + struct isi_board *card = port->card; + struct tty_struct *tty; unsigned long flags; - + tty = port->tty; - spin_lock_irqsave(&card->card_lock, flags); + spin_lock_irqsave(&card->card_lock, flags); if (!(port->flags & ASYNC_INITIALIZED)) { spin_unlock_irqrestore(&card->card_lock, flags); return; @@ -1268,93 +1026,91 @@ static void isicom_shutdown_port(struct isi_port * port) if (port->xmit_buf) { free_page((unsigned long) port->xmit_buf); port->xmit_buf = NULL; - } + } port->flags &= ~ASYNC_INITIALIZED; /* 3rd October 2000 : Vinayak P Risbud */ port->tty = NULL; spin_unlock_irqrestore(&card->card_lock, flags); - + /*Fix done by Anil .S on 30-04-2001 remote login through isi port has dtr toggle problem due to which the carrier drops before the password prompt - appears on the remote end. Now we drop the dtr only if the + appears on the remote end. Now we drop the dtr only if the HUPCL(Hangup on close) flag is set for the tty*/ - - if (C_HUPCL(tty)) + + if (C_HUPCL(tty)) /* drop dtr on this port */ drop_dtr(port); - - /* any other port uninits */ + + /* any other port uninits */ if (tty) set_bit(TTY_IO_ERROR, &tty->flags); - + if (--card->count < 0) { - printk(KERN_DEBUG "ISICOM: isicom_shutdown_port: bad board(0x%x) count %d.\n", + pr_dbg("isicom_shutdown_port: bad board(0x%lx) count %d.\n", card->base, card->count); - card->count = 0; + card->count = 0; } - - /* last port was closed , shutdown that boad too */ - if(C_HUPCL(tty)) { + + /* last port was closed, shutdown that boad too */ + if (C_HUPCL(tty)) { if (!card->count) isicom_shutdown_board(card); } } -static void isicom_close(struct tty_struct * tty, struct file * filp) +static void isicom_close(struct tty_struct *tty, struct file *filp) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; unsigned long flags; - + if (!port) return; if (isicom_paranoia_check(port, tty->name, "isicom_close")) return; - -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: Close start!!!.\n"); -#endif - + + pr_dbg("Close start!!!.\n"); + spin_lock_irqsave(&card->card_lock, flags); if (tty_hung_up_p(filp)) { spin_unlock_irqrestore(&card->card_lock, flags); return; } - + if (tty->count == 1 && port->count != 1) { - printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count" - "tty->count = 1 port count = %d.\n", + printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port " + "count tty->count = 1 port count = %d.\n", card->base, port->count); port->count = 1; } if (--port->count < 0) { - printk(KERN_WARNING "ISICOM:(0x%x) isicom_close: bad port count for" - "channel%d = %d", card->base, port->channel, + printk(KERN_WARNING "ISICOM:(0x%lx) isicom_close: bad port " + "count for channel%d = %d", card->base, port->channel, port->count); - port->count = 0; + port->count = 0; } - + if (port->count) { spin_unlock_irqrestore(&card->card_lock, flags); return; - } + } port->flags |= ASYNC_CLOSING; tty->closing = 1; spin_unlock_irqrestore(&card->card_lock, flags); - + if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE) tty_wait_until_sent(tty, port->closing_wait); - /* indicate to the card that no more data can be received + /* indicate to the card that no more data can be received on this port */ spin_lock_irqsave(&card->card_lock, flags); - if (port->flags & ASYNC_INITIALIZED) { + if (port->flags & ASYNC_INITIALIZED) { card->port_status &= ~(1 << port->channel); outw(card->port_status, card->base + 0x02); - } + } isicom_shutdown_port(port); spin_unlock_irqrestore(&card->card_lock, flags); - + if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty); tty_ldisc_flush(tty); @@ -1365,65 +1121,65 @@ static void isicom_close(struct tty_struct * tty, struct file * filp) if (port->blocked_open) { spin_unlock_irqrestore(&card->card_lock, flags); if (port->close_delay) { -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: scheduling until time out.\n"); -#endif - msleep_interruptible(jiffies_to_msecs(port->close_delay)); + pr_dbg("scheduling until time out.\n"); + msleep_interruptible( + jiffies_to_msecs(port->close_delay)); } spin_lock_irqsave(&card->card_lock, flags); wake_up_interruptible(&port->open_wait); - } + } port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING); wake_up_interruptible(&port->close_wait); spin_unlock_irqrestore(&card->card_lock, flags); } /* write et all */ -static int isicom_write(struct tty_struct * tty, - const unsigned char * buf, int count) +static int isicom_write(struct tty_struct *tty, const unsigned char *buf, + int count) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; unsigned long flags; int cnt, total = 0; if (isicom_paranoia_check(port, tty->name, "isicom_write")) return 0; - - if (!tty || !port->xmit_buf || !tmp_buf) + + if (!tty || !port->xmit_buf) return 0; - + spin_lock_irqsave(&card->card_lock, flags); - - while(1) { - cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt - 1, - SERIAL_XMIT_SIZE - port->xmit_head)); - if (cnt <= 0) + + while(1) { + cnt = min_t(int, count, min(SERIAL_XMIT_SIZE - port->xmit_cnt + - 1, SERIAL_XMIT_SIZE - port->xmit_head)); + if (cnt <= 0) break; - + memcpy(port->xmit_buf + port->xmit_head, buf, cnt); - port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE - 1); + port->xmit_head = (port->xmit_head + cnt) & (SERIAL_XMIT_SIZE + - 1); port->xmit_cnt += cnt; buf += cnt; count -= cnt; total += cnt; - } + } if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped) port->status |= ISI_TXOK; spin_unlock_irqrestore(&card->card_lock, flags); - return total; + return total; } /* put_char et all */ -static void isicom_put_char(struct tty_struct * tty, unsigned char ch) +static void isicom_put_char(struct tty_struct *tty, unsigned char ch) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; unsigned long flags; - + if (isicom_paranoia_check(port, tty->name, "isicom_put_char")) return; - + if (!tty || !port->xmit_buf) return; @@ -1432,7 +1188,7 @@ static void isicom_put_char(struct tty_struct * tty, unsigned char ch) spin_unlock_irqrestore(&card->card_lock, flags); return; } - + port->xmit_buf[port->xmit_head++] = ch; port->xmit_head &= (SERIAL_XMIT_SIZE - 1); port->xmit_cnt++; @@ -1440,30 +1196,31 @@ static void isicom_put_char(struct tty_struct * tty, unsigned char ch) } /* flush_chars et all */ -static void isicom_flush_chars(struct tty_struct * tty) +static void isicom_flush_chars(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - + struct isi_port *port = tty->driver_data; + if (isicom_paranoia_check(port, tty->name, "isicom_flush_chars")) return; - - if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || !port->xmit_buf) + + if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || + !port->xmit_buf) return; - + /* this tells the transmitter to consider this port for data output to the card ... that's the best we can do. */ - port->status |= ISI_TXOK; + port->status |= ISI_TXOK; } /* write_room et all */ -static int isicom_write_room(struct tty_struct * tty) +static int isicom_write_room(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; + struct isi_port *port = tty->driver_data; int free; if (isicom_paranoia_check(port, tty->name, "isicom_write_room")) return 0; - + free = SERIAL_XMIT_SIZE - port->xmit_cnt - 1; if (free < 0) free = 0; @@ -1471,23 +1228,24 @@ static int isicom_write_room(struct tty_struct * tty) } /* chars_in_buffer et all */ -static int isicom_chars_in_buffer(struct tty_struct * tty) +static int isicom_chars_in_buffer(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; + struct isi_port *port = tty->driver_data; if (isicom_paranoia_check(port, tty->name, "isicom_chars_in_buffer")) return 0; return port->xmit_cnt; } /* ioctl et all */ -static inline void isicom_send_break(struct isi_port * port, unsigned long length) +static inline void isicom_send_break(struct isi_port *port, + unsigned long length) { - struct isi_board * card = port->card; - unsigned short base = card->base; - - if(!lock_card(card)) + struct isi_board *card = port->card; + unsigned long base = card->base; + + if (!lock_card(card)) return; - + outw(0x8000 | ((port->channel) << (card->shift_count)) | 0x3, base); outw((length & 0xff) << 8 | 0x00, base); outw((length & 0xff00), base); @@ -1498,13 +1256,13 @@ static inline void isicom_send_break(struct isi_port * port, unsigned long lengt static int isicom_tiocmget(struct tty_struct *tty, struct file *file) { - struct isi_port * port = (struct isi_port *) tty->driver_data; + struct isi_port *port = tty->driver_data; /* just send the port status */ - unsigned short status = port->status; + u16 status = port->status; if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) return -ENODEV; - + return ((status & ISI_RTS) ? TIOCM_RTS : 0) | ((status & ISI_DTR) ? TIOCM_DTR : 0) | ((status & ISI_DCD) ? TIOCM_CAR : 0) | @@ -1514,13 +1272,13 @@ static int isicom_tiocmget(struct tty_struct *tty, struct file *file) } static int isicom_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) + unsigned int set, unsigned int clear) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - + struct isi_port *port = tty->driver_data; + if (isicom_paranoia_check(port, tty->name, "isicom_ioctl")) return -ENODEV; - + if (set & TIOCM_RTS) raise_rts(port); if (set & TIOCM_DTR) @@ -1532,46 +1290,46 @@ static int isicom_tiocmset(struct tty_struct *tty, struct file *file, drop_dtr(port); return 0; -} +} -static int isicom_set_serial_info(struct isi_port * port, - struct serial_struct __user *info) +static int isicom_set_serial_info(struct isi_port *port, + struct serial_struct __user *info) { struct serial_struct newinfo; int reconfig_port; - if(copy_from_user(&newinfo, info, sizeof(newinfo))) + if (copy_from_user(&newinfo, info, sizeof(newinfo))) return -EFAULT; - - reconfig_port = ((port->flags & ASYNC_SPD_MASK) != - (newinfo.flags & ASYNC_SPD_MASK)); - + + reconfig_port = ((port->flags & ASYNC_SPD_MASK) != + (newinfo.flags & ASYNC_SPD_MASK)); + if (!capable(CAP_SYS_ADMIN)) { if ((newinfo.close_delay != port->close_delay) || - (newinfo.closing_wait != port->closing_wait) || - ((newinfo.flags & ~ASYNC_USR_MASK) != - (port->flags & ~ASYNC_USR_MASK))) + (newinfo.closing_wait != port->closing_wait) || + ((newinfo.flags & ~ASYNC_USR_MASK) != + (port->flags & ~ASYNC_USR_MASK))) return -EPERM; port->flags = ((port->flags & ~ ASYNC_USR_MASK) | (newinfo.flags & ASYNC_USR_MASK)); - } + } else { port->close_delay = newinfo.close_delay; - port->closing_wait = newinfo.closing_wait; - port->flags = ((port->flags & ~ASYNC_FLAGS) | + port->closing_wait = newinfo.closing_wait; + port->flags = ((port->flags & ~ASYNC_FLAGS) | (newinfo.flags & ASYNC_FLAGS)); } if (reconfig_port) { isicom_config_port(port); } - return 0; -} + return 0; +} -static int isicom_get_serial_info(struct isi_port * port, - struct serial_struct __user *info) +static int isicom_get_serial_info(struct isi_port *port, + struct serial_struct __user *info) { struct serial_struct out_info; - + memset(&out_info, 0, sizeof(out_info)); /* out_info.type = ? */ out_info.line = port - isi_ports; @@ -1581,15 +1339,15 @@ static int isicom_get_serial_info(struct isi_port * port, /* out_info.baud_base = ? */ out_info.close_delay = port->close_delay; out_info.closing_wait = port->closing_wait; - if(copy_to_user(info, &out_info, sizeof(out_info))) + if (copy_to_user(info, &out_info, sizeof(out_info))) return -EFAULT; return 0; -} +} -static int isicom_ioctl(struct tty_struct * tty, struct file * filp, - unsigned int cmd, unsigned long arg) +static int isicom_ioctl(struct tty_struct *tty, struct file *filp, + unsigned int cmd, unsigned long arg) { - struct isi_port * port = (struct isi_port *) tty->driver_data; + struct isi_port *port = tty->driver_data; void __user *argp = (void __user *)arg; int retval; @@ -1597,139 +1355,141 @@ static int isicom_ioctl(struct tty_struct * tty, struct file * filp, return -ENODEV; switch(cmd) { - case TCSBRK: - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - if (!arg) - isicom_send_break(port, HZ/4); - return 0; - - case TCSBRKP: - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4); - return 0; - - case TIOCGSOFTCAR: - return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp); - - case TIOCSSOFTCAR: - if(get_user(arg, (unsigned long __user *) argp)) - return -EFAULT; - tty->termios->c_cflag = - ((tty->termios->c_cflag & ~CLOCAL) | - (arg ? CLOCAL : 0)); - return 0; - - case TIOCGSERIAL: - return isicom_get_serial_info(port, argp); - - case TIOCSSERIAL: - return isicom_set_serial_info(port, argp); - - default: - return -ENOIOCTLCMD; + case TCSBRK: + retval = tty_check_change(tty); + if (retval) + return retval; + tty_wait_until_sent(tty, 0); + if (!arg) + isicom_send_break(port, HZ/4); + return 0; + + case TCSBRKP: + retval = tty_check_change(tty); + if (retval) + return retval; + tty_wait_until_sent(tty, 0); + isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4); + return 0; + + case TIOCGSOFTCAR: + return put_user(C_CLOCAL(tty) ? 1 : 0, + (unsigned long __user *)argp); + + case TIOCSSOFTCAR: + if (get_user(arg, (unsigned long __user *) argp)) + return -EFAULT; + tty->termios->c_cflag = + ((tty->termios->c_cflag & ~CLOCAL) | + (arg ? CLOCAL : 0)); + return 0; + + case TIOCGSERIAL: + return isicom_get_serial_info(port, argp); + + case TIOCSSERIAL: + return isicom_set_serial_info(port, argp); + + default: + return -ENOIOCTLCMD; } return 0; } /* set_termios et all */ -static void isicom_set_termios(struct tty_struct * tty, struct termios * old_termios) +static void isicom_set_termios(struct tty_struct *tty, + struct termios *old_termios) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - + struct isi_port *port = tty->driver_data; + if (isicom_paranoia_check(port, tty->name, "isicom_set_termios")) return; - + if (tty->termios->c_cflag == old_termios->c_cflag && - tty->termios->c_iflag == old_termios->c_iflag) + tty->termios->c_iflag == old_termios->c_iflag) return; - + isicom_config_port(port); - + if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) { + !(tty->termios->c_cflag & CRTSCTS)) { tty->hw_stopped = 0; - isicom_start(tty); - } + isicom_start(tty); + } } /* throttle et all */ -static void isicom_throttle(struct tty_struct * tty) +static void isicom_throttle(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; - + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; + if (isicom_paranoia_check(port, tty->name, "isicom_throttle")) return; - + /* tell the card that this port cannot handle any more data for now */ card->port_status &= ~(1 << port->channel); outw(card->port_status, card->base + 0x02); } /* unthrottle et all */ -static void isicom_unthrottle(struct tty_struct * tty) +static void isicom_unthrottle(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; - + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; + if (isicom_paranoia_check(port, tty->name, "isicom_unthrottle")) return; - + /* tell the card that this port is ready to accept more data */ card->port_status |= (1 << port->channel); outw(card->port_status, card->base + 0x02); } /* stop et all */ -static void isicom_stop(struct tty_struct * tty) +static void isicom_stop(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; + struct isi_port *port = tty->driver_data; if (isicom_paranoia_check(port, tty->name, "isicom_stop")) return; - + /* this tells the transmitter not to consider this port for data output to the card. */ port->status &= ~ISI_TXOK; } /* start et all */ -static void isicom_start(struct tty_struct * tty) +static void isicom_start(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - + struct isi_port *port = tty->driver_data; + if (isicom_paranoia_check(port, tty->name, "isicom_start")) return; - + /* this tells the transmitter to consider this port for data output to the card. */ port->status |= ISI_TXOK; } /* hangup et all */ -static void do_isicom_hangup(void * data) +static void do_isicom_hangup(void *data) { - struct isi_port * port = (struct isi_port *) data; - struct tty_struct * tty; - + struct isi_port *port = data; + struct tty_struct *tty; + tty = port->tty; if (tty) tty_hangup(tty); } -static void isicom_hangup(struct tty_struct * tty) +static void isicom_hangup(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - + struct isi_port *port = tty->driver_data; + if (isicom_paranoia_check(port, tty->name, "isicom_hangup")) return; - + isicom_shutdown_port(port); port->count = 0; port->flags &= ~ASYNC_NORMAL_ACTIVE; @@ -1738,342 +1498,540 @@ static void isicom_hangup(struct tty_struct * tty) } /* flush_buffer et all */ -static void isicom_flush_buffer(struct tty_struct * tty) +static void isicom_flush_buffer(struct tty_struct *tty) { - struct isi_port * port = (struct isi_port *) tty->driver_data; - struct isi_board * card = port->card; + struct isi_port *port = tty->driver_data; + struct isi_board *card = port->card; unsigned long flags; - + if (isicom_paranoia_check(port, tty->name, "isicom_flush_buffer")) return; - + spin_lock_irqsave(&card->card_lock, flags); port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; spin_unlock_irqrestore(&card->card_lock, flags); - + wake_up_interruptible(&tty->write_wait); tty_wakeup(tty); } +/* + * Driver init and deinit functions + */ -static int __devinit register_ioregion(void) +static int __devinit isicom_register_ioregion(struct pci_dev *pdev, + const unsigned int index) { - int count, done=0; - for (count=0; count < BOARD_COUNT; count++ ) { - if (isi_card[count].base) - if (!request_region(isi_card[count].base,16,ISICOM_NAME)) { - printk(KERN_DEBUG "ISICOM: I/O Region 0x%x-0x%x is busy. Card%d will be disabled.\n", - isi_card[count].base,isi_card[count].base+15,count+1); - isi_card[count].base=0; - done++; - } - } - return done; + struct isi_board *board = pci_get_drvdata(pdev); + + if (!board->base) + return -EINVAL; + + if (!request_region(board->base, 16, ISICOM_NAME)) { + dev_dbg(&pdev->dev, "I/O Region 0x%lx-0x%lx is busy. Card%d " + "will be disabled.\n", board->base, board->base + 15, + index + 1); + return -EBUSY; + } + + return 0; } -static void unregister_ioregion(void) +static void isicom_unregister_ioregion(struct pci_dev *pdev) { - int count; - for (count=0; count < BOARD_COUNT; count++ ) - if (isi_card[count].base) { - release_region(isi_card[count].base,16); -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: I/O Region 0x%x-0x%x released for Card%d.\n",isi_card[count].base,isi_card[count].base+15,count+1); -#endif - } + struct isi_board *board = pci_get_drvdata(pdev); + + if (!board->base) + return; + + release_region(board->base, 16); + dev_dbg(&pdev->dev, "I/O Region 0x%lx-0x%lx released.\n", + board->base, board->base + 15); + board->base = 0; } static struct tty_operations isicom_ops = { - .open = isicom_open, - .close = isicom_close, - .write = isicom_write, - .put_char = isicom_put_char, - .flush_chars = isicom_flush_chars, - .write_room = isicom_write_room, + .open = isicom_open, + .close = isicom_close, + .write = isicom_write, + .put_char = isicom_put_char, + .flush_chars = isicom_flush_chars, + .write_room = isicom_write_room, .chars_in_buffer = isicom_chars_in_buffer, - .ioctl = isicom_ioctl, - .set_termios = isicom_set_termios, - .throttle = isicom_throttle, - .unthrottle = isicom_unthrottle, - .stop = isicom_stop, - .start = isicom_start, - .hangup = isicom_hangup, - .flush_buffer = isicom_flush_buffer, - .tiocmget = isicom_tiocmget, - .tiocmset = isicom_tiocmset, + .ioctl = isicom_ioctl, + .set_termios = isicom_set_termios, + .throttle = isicom_throttle, + .unthrottle = isicom_unthrottle, + .stop = isicom_stop, + .start = isicom_start, + .hangup = isicom_hangup, + .flush_buffer = isicom_flush_buffer, + .tiocmget = isicom_tiocmget, + .tiocmset = isicom_tiocmset, }; -static int __devinit register_drivers(void) +static int __devinit isicom_register_tty_driver(void) { - int error; + int error = -ENOMEM; /* tty driver structure initialization */ isicom_normal = alloc_tty_driver(PORT_COUNT); if (!isicom_normal) - return -ENOMEM; - - isicom_normal->owner = THIS_MODULE; - isicom_normal->name = "ttyM"; - isicom_normal->devfs_name = "isicom/"; - isicom_normal->major = ISICOM_NMAJOR; - isicom_normal->minor_start = 0; - isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; - isicom_normal->subtype = SERIAL_TYPE_NORMAL; - isicom_normal->init_termios = tty_std_termios; - isicom_normal->init_termios.c_cflag = - B9600 | CS8 | CREAD | HUPCL |CLOCAL; - isicom_normal->flags = TTY_DRIVER_REAL_RAW; + goto end; + + isicom_normal->owner = THIS_MODULE; + isicom_normal->name = "ttyM"; + isicom_normal->devfs_name = "isicom/"; + isicom_normal->major = ISICOM_NMAJOR; + isicom_normal->minor_start = 0; + isicom_normal->type = TTY_DRIVER_TYPE_SERIAL; + isicom_normal->subtype = SERIAL_TYPE_NORMAL; + isicom_normal->init_termios = tty_std_termios; + isicom_normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | + CLOCAL; + isicom_normal->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(isicom_normal, &isicom_ops); - - if ((error=tty_register_driver(isicom_normal))!=0) { - printk(KERN_DEBUG "ISICOM: Couldn't register the dialin driver, error=%d\n", + + if ((error = tty_register_driver(isicom_normal))) { + pr_dbg("Couldn't register the dialin driver, error=%d\n", error); put_tty_driver(isicom_normal); - return error; } - return 0; +end: + return error; } -static void unregister_drivers(void) +static void isicom_unregister_tty_driver(void) { - int error = tty_unregister_driver(isicom_normal); - if (error) - printk(KERN_DEBUG "ISICOM: couldn't unregister normal driver error=%d.\n",error); + int error; + + if ((error = tty_unregister_driver(isicom_normal))) + pr_dbg("couldn't unregister normal driver, error=%d.\n", error); + put_tty_driver(isicom_normal); } -static int __devinit register_isr(void) +static int __devinit isicom_register_isr(struct pci_dev *pdev, + const unsigned int index) { - int count, done=0; - unsigned long irqflags; - - for (count=0; count < BOARD_COUNT; count++ ) { - if (isi_card[count].base) { - irqflags = (isi_card[count].isa == YES) ? - SA_INTERRUPT : - (SA_INTERRUPT | SA_SHIRQ); - - if (request_irq(isi_card[count].irq, - isicom_interrupt, - irqflags, - ISICOM_NAME, &isi_card[count])) { - - printk(KERN_WARNING "ISICOM: Could not" - " install handler at Irq %d." - " Card%d will be disabled.\n", - isi_card[count].irq, count+1); - - release_region(isi_card[count].base,16); - isi_card[count].base=0; - } - else - done++; - } - } - return done; + struct isi_board *board = pci_get_drvdata(pdev); + unsigned long irqflags = SA_INTERRUPT; + int retval = -EINVAL; + + if (!board->base) + goto end; + + if (board->isa == NO) + irqflags |= SA_SHIRQ; + + retval = request_irq(board->irq, isicom_interrupt, irqflags, + ISICOM_NAME, board); + if (retval < 0) + dev_warn(&pdev->dev, "Could not install handler at Irq %d. " + "Card%d will be disabled.\n", board->irq, index + 1); + else + retval = 0; +end: + return retval; } -static void __exit unregister_isr(void) +static int __devinit reset_card(struct pci_dev *pdev, + const unsigned int card, unsigned int *signature) { - int count; + struct isi_board *board = pci_get_drvdata(pdev); + unsigned long base = board->base; + unsigned int portcount = 0; + int retval = 0; + + dev_dbg(&pdev->dev, "ISILoad:Resetting Card%d at 0x%lx\n", card + 1, + base); - for (count=0; count < BOARD_COUNT; count++ ) { - if (isi_card[count].base) - free_irq(isi_card[count].irq, &isi_card[count]); + inw(base + 0x8); + + mdelay(10); + + outw(0, base + 0x8); /* Reset */ + + msleep(3000); + + *signature = inw(base + 0x4) & 0xff; + + if (board->isa == YES) { + if (!(inw(base + 0xe) & 0x1) || (inw(base + 0x2))) { + dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n", + inw(base + 0x2), inw(base + 0xe)); + dev_err(&pdev->dev, "ISILoad:ISA Card%d reset failure " + "(Possible bad I/O Port Address 0x%lx).\n", + card + 1, base); + retval = -EIO; + goto end; + } + } else { + portcount = inw(base + 0x2); + if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) && + (portcount != 4) && (portcount != 8))) { + dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n", + inw(base + 0x2), inw(base + 0xe)); + dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure " + "(Possible bad I/O Port Address 0x%lx).\n", + card + 1, base); + retval = -EIO; + goto end; + } } + + switch (*signature) { + case 0xa5: + case 0xbb: + case 0xdd: + board->port_count = (board->isa == NO && portcount == 4) ? 4 : + 8; + board->shift_count = 12; + break; + case 0xcc: + board->port_count = 16; + board->shift_count = 11; + break; + default: + dev_warn(&pdev->dev, "ISILoad:Card%d reset failure (Possible " + "bad I/O Port Address 0x%lx).\n", card + 1, base); + dev_dbg(&pdev->dev, "Sig=0x%lx\n", signature); + retval = -EIO; + } + dev_info(&pdev->dev, "-Done\n"); + +end: + return retval; } -static int __devinit isicom_init(void) +static inline int WaitTillCardIsFree(u16 base) { - int card, channel, base; - struct isi_port * port; - unsigned long page; - - if (!tmp_buf) { - page = get_zeroed_page(GFP_KERNEL); - if (!page) { -#ifdef ISICOM_DEBUG - printk(KERN_DEBUG "ISICOM: Couldn't allocate page for tmp_buf.\n"); -#else - printk(KERN_ERR "ISICOM: Not enough memory...\n"); -#endif - return 0; - } - tmp_buf = (unsigned char *) page; - } - - if (!register_ioregion()) - { - printk(KERN_ERR "ISICOM: All required I/O space found busy.\n"); - free_page((unsigned long)tmp_buf); - return 0; - } - if (register_drivers()) - { - unregister_ioregion(); - free_page((unsigned long)tmp_buf); - return 0; - } - if (!register_isr()) - { - unregister_drivers(); - /* ioports already uregistered in register_isr */ - free_page((unsigned long)tmp_buf); - return 0; + unsigned long count = 0; + + while (!(inw(base + 0xe) & 0x1) && count++ < 100) + msleep(5); + + return !(inw(base + 0xe) & 0x1); +} + +static int __devinit load_firmware(struct pci_dev *pdev, + const unsigned int index, const unsigned int signature) +{ + struct isi_board *board = pci_get_drvdata(pdev); + const struct firmware *fw; + unsigned long base = board->base; + unsigned int a; + u16 word_count, status; + int retval = -EIO; + char *name; + u8 *data; + + struct stframe { + u16 addr; + u16 count; + u8 data[0]; + } *frame; + + switch (signature) { + case 0xa5: + name = "isi608.bin"; + break; + case 0xbb: + name = "isi608em.bin"; + break; + case 0xcc: + name = "isi616em.bin"; + break; + case 0xdd: + name = "isi4608.bin"; + break; + case 0xee: + name = "isi4616.bin"; + break; + default: + dev_err(&pdev->dev, "Unknown signature.\n"); + goto end; + } + + retval = request_firmware(&fw, name, &pdev->dev); + if (retval) + goto end; + + for (frame = (struct stframe *)fw->data; + frame < (struct stframe *)(fw->data + fw->size); + frame++) { + if (WaitTillCardIsFree(base)) + goto errrelfw; + + outw(0xf0, base); /* start upload sequence */ + outw(0x00, base); + outw(frame->addr, base); /* lsb of address */ + + word_count = frame->count / 2 + frame->count % 2; + outw(word_count, base); + InterruptTheCard(base); + + udelay(100); /* 0x2f */ + + if (WaitTillCardIsFree(base)) + goto errrelfw; + + if ((status = inw(base + 0x4)) != 0) { + dev_warn(&pdev->dev, "Card%d rejected load header:\n" + "Address:0x%x\nCount:0x%x\nStatus:0x%x\n", + index + 1, frame->addr, frame->count, status); + goto errrelfw; + } + outsw(base, frame->data, word_count); + + InterruptTheCard(base); + + udelay(50); /* 0x0f */ + + if (WaitTillCardIsFree(base)) + goto errrelfw; + + if ((status = inw(base + 0x4)) != 0) { + dev_err(&pdev->dev, "Card%d got out of sync.Card " + "Status:0x%x\n", index + 1, status); + goto errrelfw; + } + } + + retval = -EIO; + + if (WaitTillCardIsFree(base)) + goto errrelfw; + + outw(0xf2, base); + outw(0x800, base); + outw(0x0, base); + outw(0x0, base); + InterruptTheCard(base); + outw(0x0, base + 0x4); /* for ISI4608 cards */ + +/* XXX: should we test it by reading it back and comparing with original like + * in load firmware package? */ + for (frame = (struct stframe*)fw->data; + frame < (struct stframe*)(fw->data + fw->size); + frame++) { + if (WaitTillCardIsFree(base)) + goto errrelfw; + + outw(0xf1, base); /* start download sequence */ + outw(0x00, base); + outw(frame->addr, base); /* lsb of address */ + + word_count = (frame->count >> 1) + frame->count % 2; + outw(word_count + 1, base); + InterruptTheCard(base); + + udelay(50); /* 0xf */ + + if (WaitTillCardIsFree(base)) + goto errrelfw; + + if ((status = inw(base + 0x4)) != 0) { + dev_warn(&pdev->dev, "Card%d rejected verify header:\n" + "Address:0x%x\nCount:0x%x\nStatus: 0x%x\n", + index + 1, frame->addr, frame->count, status); + goto errrelfw; + } + + data = kmalloc(word_count * 2, GFP_KERNEL); + inw(base); + insw(base, data, word_count); + InterruptTheCard(base); + + for (a = 0; a < frame->count; a++) + if (data[a] != frame->data[a]) { + kfree(data); + dev_err(&pdev->dev, "Card%d, firmware upload " + "failed\n", index + 1); + goto errrelfw; + } + kfree(data); + + udelay(50); /* 0xf */ + + if (WaitTillCardIsFree(base)) + goto errrelfw; + + if ((status = inw(base + 0x4)) != 0) { + dev_err(&pdev->dev, "Card%d verify got out of sync. " + "Card Status:0x%x\n", index + 1, status); + goto errrelfw; + } } - - memset(isi_ports, 0, sizeof(isi_ports)); - for (card = 0; card < BOARD_COUNT; card++) { - port = &isi_ports[card * 16]; - isi_card[card].ports = port; - spin_lock_init(&isi_card[card].card_lock); - base = isi_card[card].base; - for (channel = 0; channel < 16; channel++, port++) { - port->magic = ISICOM_MAGIC; - port->card = &isi_card[card]; - port->channel = channel; - port->close_delay = 50 * HZ/100; - port->closing_wait = 3000 * HZ/100; - INIT_WORK(&port->hangup_tq, do_isicom_hangup, port); - INIT_WORK(&port->bh_tqueue, isicom_bottomhalf, port); - port->status = 0; - init_waitqueue_head(&port->open_wait); - init_waitqueue_head(&port->close_wait); - /* . . . */ - } - } - - return 1; + + board->status |= FIRMWARE_LOADED; + retval = 0; + +errrelfw: + release_firmware(fw); +end: + return retval; } /* * Insmod can set static symbols so keep these static */ - static int io[4]; static int irq[4]; +static int card; -MODULE_AUTHOR("MultiTech"); -MODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech"); -MODULE_LICENSE("GPL"); -module_param_array(io, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O ports for the cards"); -module_param_array(irq, int, NULL, 0); -MODULE_PARM_DESC(irq, "Interrupts for the cards"); +static int __devinit isicom_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + unsigned int ioaddr, signature, index; + int retval = -EPERM; + u8 pciirq; + struct isi_board *board = NULL; + + if (card >= BOARD_COUNT) + goto err; + + ioaddr = pci_resource_start(pdev, 3); + /* i.e at offset 0x1c in the PCI configuration register space. */ + pciirq = pdev->irq; + dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device); + + /* allot the first empty slot in the array */ + for (index = 0; index < BOARD_COUNT; index++) + if (isi_card[index].base == 0) { + board = &isi_card[index]; + break; + } + + board->base = ioaddr; + board->irq = pciirq; + board->isa = NO; + card++; + + pci_set_drvdata(pdev, board); + + retval = isicom_register_ioregion(pdev, index); + if (retval < 0) + goto err; + + retval = isicom_register_isr(pdev, index); + if (retval < 0) + goto errunrr; + + retval = reset_card(pdev, index, &signature); + if (retval < 0) + goto errunri; + + retval = load_firmware(pdev, index, signature); + if (retval < 0) + goto errunri; + + return 0; + +errunri: + free_irq(board->irq, board); +errunrr: + isicom_unregister_ioregion(pdev); +err: + board->base = 0; + return retval; +} + +static void __devexit isicom_remove(struct pci_dev *pdev) +{ + struct isi_board *board = pci_get_drvdata(pdev); + + free_irq(board->irq, board); + isicom_unregister_ioregion(pdev); +} static int __devinit isicom_setup(void) { - struct pci_dev *dev = NULL; - int retval, card, idx, count; - unsigned char pciirq; - unsigned int ioaddr; - + int retval, idx, channel; + struct isi_port *port; + card = 0; - for(idx=0; idx < BOARD_COUNT; idx++) { - if (io[idx]) { - isi_card[idx].base=io[idx]; - isi_card[idx].irq=irq[idx]; - isi_card[idx].isa=YES; - card++; - } - else { - isi_card[idx].base = 0; - isi_card[idx].irq = 0; - } - } - - for (idx=0 ;idx < card; idx++) { - if (!((isi_card[idx].irq==2)||(isi_card[idx].irq==3)|| - (isi_card[idx].irq==4)||(isi_card[idx].irq==5)|| - (isi_card[idx].irq==7)||(isi_card[idx].irq==10)|| - (isi_card[idx].irq==11)||(isi_card[idx].irq==12)|| - (isi_card[idx].irq==15))) { - - if (isi_card[idx].base) { - printk(KERN_ERR "ISICOM: Irq %d unsupported. Disabling Card%d...\n", - isi_card[idx].irq, idx+1); - isi_card[idx].base=0; - card--; - } - } - } - - if (card < BOARD_COUNT) { - for (idx=0; idx < DEVID_COUNT; idx++) { - dev = NULL; - for (;;){ - if (!(dev = pci_find_device(VENDOR_ID, isicom_pci_tbl[idx].device, dev))) - break; - if (card >= BOARD_COUNT) - break; - - if (pci_enable_device(dev)) - break; + memset(isi_ports, 0, sizeof(isi_ports)); - /* found a PCI ISI card! */ - ioaddr = pci_resource_start (dev, 3); /* i.e at offset 0x1c in the - * PCI configuration register - * space. - */ - pciirq = dev->irq; - printk(KERN_INFO "ISI PCI Card(Device ID 0x%x)\n", isicom_pci_tbl[idx].device); - /* - * allot the first empty slot in the array - */ - for (count=0; count < BOARD_COUNT; count++) { - if (isi_card[count].base == 0) { - isi_card[count].base = ioaddr; - isi_card[count].irq = pciirq; - isi_card[count].isa = NO; - card++; - break; - } - } - } - if (card >= BOARD_COUNT) break; - } + for(idx = 0; idx < BOARD_COUNT; idx++) { + port = &isi_ports[idx * 16]; + isi_card[idx].ports = port; + spin_lock_init(&isi_card[idx].card_lock); + for (channel = 0; channel < 16; channel++, port++) { + port->magic = ISICOM_MAGIC; + port->card = &isi_card[idx]; + port->channel = channel; + port->close_delay = 50 * HZ/100; + port->closing_wait = 3000 * HZ/100; + INIT_WORK(&port->hangup_tq, do_isicom_hangup, port); + INIT_WORK(&port->bh_tqueue, isicom_bottomhalf, port); + port->status = 0; + init_waitqueue_head(&port->open_wait); + init_waitqueue_head(&port->close_wait); + /* . . . */ + } + isi_card[idx].base = 0; + isi_card[idx].irq = 0; + + if (!io[idx]) + continue; + + if (irq[idx] == 2 || irq[idx] == 3 || irq[idx] == 4 || + irq[idx] == 5 || irq[idx] == 7 || + irq[idx] == 10 || irq[idx] == 11 || + irq[idx] == 12 || irq[idx] == 15) { + printk(KERN_ERR "ISICOM: ISA not supported yet.\n"); + retval = -EINVAL; + goto error; + } else + printk(KERN_ERR "ISICOM: Irq %d unsupported. " + "Disabling Card%d...\n", irq[idx], idx + 1); } - - if (!(isi_card[0].base || isi_card[1].base || isi_card[2].base || isi_card[3].base)) { - printk(KERN_ERR "ISICOM: No valid card configuration. Driver cannot be initialized...\n"); - return -EIO; - } - retval = misc_register(&isiloader_device); + retval = isicom_register_tty_driver(); + if (retval < 0) + goto error; + + retval = pci_register_driver(&isicom_driver); if (retval < 0) { - printk(KERN_ERR "ISICOM: Unable to register firmware loader driver.\n"); - return retval; - } - - if (!isicom_init()) { - if (misc_deregister(&isiloader_device)) - printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n"); - return -EIO; + printk(KERN_ERR "ISICOM: Unable to register pci driver.\n"); + goto errtty; } - + init_timer(&tx); tx.expires = jiffies + 1; tx.data = 0; tx.function = isicom_tx; re_schedule = 1; add_timer(&tx); - + return 0; +errtty: + isicom_unregister_tty_driver(); +error: + return retval; } static void __exit isicom_exit(void) { + unsigned int index = 0; + re_schedule = 0; - /* FIXME */ - msleep(1000); - unregister_isr(); - unregister_drivers(); - unregister_ioregion(); - if(tmp_buf) - free_page((unsigned long)tmp_buf); - if (misc_deregister(&isiloader_device)) - printk(KERN_ERR "ISICOM: Unable to unregister Firmware Loader driver\n"); + + while (re_schedule != 2 && index++ < 100) + msleep(10); + + pci_unregister_driver(&isicom_driver); + isicom_unregister_tty_driver(); } module_init(isicom_setup); module_exit(isicom_exit); + +MODULE_AUTHOR("MultiTech"); +MODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech"); +MODULE_LICENSE("GPL"); +module_param_array(io, int, NULL, 0); +MODULE_PARM_DESC(io, "I/O ports for the cards"); +module_param_array(irq, int, NULL, 0); +MODULE_PARM_DESC(irq, "Interrupts for the cards"); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index ce3bc0d45f1..28c5a3193b8 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -135,7 +135,7 @@ static stlconf_t stli_brdconf[] = { /*{ BRD_ECP, 0x2a0, 0, 0xcc000, 0, 0 },*/ }; -static int stli_nrbrds = sizeof(stli_brdconf) / sizeof(stlconf_t); +static int stli_nrbrds = ARRAY_SIZE(stli_brdconf); /* * There is some experimental EISA board detection code in this driver. @@ -406,7 +406,7 @@ static unsigned long stli_eisamemprobeaddrs[] = { 0xff000000, 0xff010000, 0xff020000, 0xff030000, }; -static int stli_eisamempsize = sizeof(stli_eisamemprobeaddrs) / sizeof(unsigned long); +static int stli_eisamempsize = ARRAY_SIZE(stli_eisamemprobeaddrs); /* * Define the Stallion PCI vendor and device IDs. @@ -899,15 +899,13 @@ static void stli_argbrds(void) { stlconf_t conf; stlibrd_t *brdp; - int nrargs, i; + int i; #ifdef DEBUG printk("stli_argbrds()\n"); #endif - nrargs = sizeof(stli_brdsp) / sizeof(char **); - - for (i = stli_nrbrds; (i < nrargs); i++) { + for (i = stli_nrbrds; i < ARRAY_SIZE(stli_brdsp); i++) { memset(&conf, 0, sizeof(conf)); if (stli_parsebrd(&conf, stli_brdsp[i]) == 0) continue; @@ -967,7 +965,7 @@ static unsigned long stli_atol(char *str) static int stli_parsebrd(stlconf_t *confp, char **argp) { char *sp; - int nrbrdnames, i; + int i; #ifdef DEBUG printk("stli_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp); @@ -979,14 +977,13 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++) *sp = TOLOWER(*sp); - nrbrdnames = sizeof(stli_brdstr) / sizeof(stlibrdtype_t); - for (i = 0; (i < nrbrdnames); i++) { + for (i = 0; i < ARRAY_SIZE(stli_brdstr); i++) { if (strcmp(stli_brdstr[i].name, argp[0]) == 0) break; } - if (i >= nrbrdnames) { + if (i == ARRAY_SIZE(stli_brdstr)) { printk("STALLION: unknown board name, %s?\n", argp[0]); - return(0); + return 0; } confp->brdtype = stli_brdstr[i].type; @@ -2714,17 +2711,13 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp) stlen = size - tail; } - len = MIN(len, (TTY_FLIPBUF_SIZE - tty->flip.count)); + len = tty_buffer_request_room(tty, len); + /* FIXME : iomap ? */ shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset); while (len > 0) { stlen = MIN(len, stlen); - memcpy(tty->flip.char_buf_ptr, (char *) (shbuf + tail), stlen); - memset(tty->flip.flag_buf_ptr, 0, stlen); - tty->flip.char_buf_ptr += stlen; - tty->flip.flag_buf_ptr += stlen; - tty->flip.count += stlen; - + tty_insert_flip_string(tty, (char *)(shbuf + tail), stlen); len -= stlen; tail += stlen; if (tail >= size) { @@ -2909,16 +2902,12 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp) if ((nt.data & DT_RXBREAK) && (portp->rxmarkmsk & BRKINT)) { if (tty != (struct tty_struct *) NULL) { - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = 0; - if (portp->flags & ASYNC_SAK) { - do_SAK(tty); - EBRDENABLE(brdp); - } - tty_schedule_flip(tty); + tty_insert_flip_char(tty, 0, TTY_BREAK); + if (portp->flags & ASYNC_SAK) { + do_SAK(tty); + EBRDENABLE(brdp); } + tty_schedule_flip(tty); } } @@ -4943,7 +4932,7 @@ static int stli_portcmdstats(stliport_t *portp) if (portp->tty != (struct tty_struct *) NULL) { if (portp->tty->driver_data == portp) { stli_comstats.ttystate = portp->tty->flags; - stli_comstats.rxbuffered = portp->tty->flip.count; + stli_comstats.rxbuffered = -1 /*portp->tty->flip.count*/; if (portp->tty->termios != (struct termios *) NULL) { stli_comstats.cflags = portp->tty->termios->c_cflag; stli_comstats.iflags = portp->tty->termios->c_iflag; diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 91dd669273e..29c41f4418c 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -101,6 +101,11 @@ static inline int valid_phys_addr_range(unsigned long addr, size_t *count) return 1; } + +static inline int valid_mmap_phys_addr_range(unsigned long addr, size_t *size) +{ + return 1; +} #endif /* @@ -228,26 +233,36 @@ static ssize_t write_mem(struct file * file, const char __user * buf, return written; } +#ifndef __HAVE_PHYS_MEM_ACCESS_PROT +static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot) +{ +#ifdef pgprot_noncached + unsigned long offset = pfn << PAGE_SHIFT; + + if (uncached_access(file, offset)) + return pgprot_noncached(vma_prot); +#endif + return vma_prot; +} +#endif + static int mmap_mem(struct file * file, struct vm_area_struct * vma) { -#if defined(__HAVE_PHYS_MEM_ACCESS_PROT) + size_t size = vma->vm_end - vma->vm_start; + + if (!valid_mmap_phys_addr_range(vma->vm_pgoff << PAGE_SHIFT, &size)) + return -EINVAL; + vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff, - vma->vm_end - vma->vm_start, + size, vma->vm_page_prot); -#elif defined(pgprot_noncached) - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - int uncached; - - uncached = uncached_access(file, offset); - if (uncached) - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); -#endif /* Remap-pfn-range will mark the range VM_IO and VM_RESERVED */ if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end-vma->vm_start, + size, vma->vm_page_prot)) return -EAGAIN; return 0; @@ -519,7 +534,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, return virtr + wrote; } -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) static ssize_t read_port(struct file * file, char __user * buf, size_t count, loff_t *ppos) { @@ -726,7 +741,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) { loff_t ret; - down(&file->f_dentry->d_inode->i_sem); + mutex_lock(&file->f_dentry->d_inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -741,7 +756,7 @@ static loff_t memory_lseek(struct file * file, loff_t offset, int orig) default: ret = -EINVAL; } - up(&file->f_dentry->d_inode->i_sem); + mutex_unlock(&file->f_dentry->d_inode->i_mutex); return ret; } @@ -780,7 +795,7 @@ static struct file_operations null_fops = { .write = write_null, }; -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) static struct file_operations port_fops = { .llseek = memory_lseek, .read = read_port, @@ -817,7 +832,7 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf, size_t count, loff_t *ppos) { char *tmp; - int ret; + ssize_t ret; tmp = kmalloc(count + 1, GFP_KERNEL); if (tmp == NULL) @@ -826,6 +841,9 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf, if (!copy_from_user(tmp, buf, count)) { tmp[count] = 0; ret = printk("%s", tmp); + if (ret > count) + /* printk can add a prefix */ + ret = count; } kfree(tmp); return ret; @@ -847,7 +865,7 @@ static int memory_open(struct inode * inode, struct file * filp) case 3: filp->f_op = &null_fops; break; -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) case 4: filp->f_op = &port_fops; break; @@ -894,7 +912,7 @@ static const struct { {1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops}, {2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops}, {3, "null", S_IRUGO | S_IWUGO, &null_fops}, -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) {4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops}, #endif {5, "zero", S_IRUGO | S_IWUGO, &zero_fops}, diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 79e490ef2cf..f43c2e04ead 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -269,7 +269,7 @@ static int MoxaPortDCDChange(int); static int MoxaPortDCDON(int); static void MoxaPortFlushData(int, int); static int MoxaPortWriteData(int, unsigned char *, int); -static int MoxaPortReadData(int, unsigned char *, int); +static int MoxaPortReadData(int, struct tty_struct *tty); static int MoxaPortTxQueue(int); static int MoxaPortRxQueue(int); static int MoxaPortTxFree(int); @@ -301,6 +301,8 @@ static struct tty_operations moxa_ops = { .tiocmset = moxa_tiocmset, }; +static spinlock_t moxa_lock = SPIN_LOCK_UNLOCKED; + #ifdef CONFIG_PCI static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, moxa_board_conf * board) { @@ -448,7 +450,7 @@ static int __init moxa_init(void) #ifdef CONFIG_PCI { struct pci_dev *p = NULL; - int n = (sizeof(moxa_pcibrds) / sizeof(moxa_pcibrds[0])) - 1; + int n = ARRAY_SIZE(moxa_pcibrds) - 1; i = 0; while (i < n) { while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL) @@ -645,10 +647,10 @@ static int moxa_write(struct tty_struct *tty, if (ch == NULL) return (0); port = ch->port; - save_flags(flags); - cli(); + + spin_lock_irqsave(&moxa_lock, flags); len = MoxaPortWriteData(port, (unsigned char *) buf, count); - restore_flags(flags); + spin_unlock_irqrestore(&moxa_lock, flags); /********************************************* if ( !(ch->statusflags & LOWWAIT) && @@ -723,11 +725,10 @@ static void moxa_put_char(struct tty_struct *tty, unsigned char c) if (ch == NULL) return; port = ch->port; - save_flags(flags); - cli(); + spin_lock_irqsave(&moxa_lock, flags); moxaXmitBuff[0] = c; MoxaPortWriteData(port, moxaXmitBuff, 1); - restore_flags(flags); + spin_unlock_irqrestore(&moxa_lock, flags); /************************************************ if ( !(ch->statusflags & LOWWAIT) && (MoxaPortTxFree(port) <= 100) ) *************************************************/ @@ -1030,12 +1031,12 @@ static int block_till_ready(struct tty_struct *tty, struct file *filp, printk("block_til_ready before block: ttys%d, count = %d\n", ch->line, ch->count); #endif - save_flags(flags); - cli(); + spin_lock_irqsave(&moxa_lock, flags); if (!tty_hung_up_p(filp)) ch->count--; - restore_flags(flags); ch->blocked_open++; + spin_unlock_irqrestore(&moxa_lock, flags); + while (1) { set_current_state(TASK_INTERRUPTIBLE); if (tty_hung_up_p(filp) || @@ -1062,17 +1063,21 @@ static int block_till_ready(struct tty_struct *tty, struct file *filp, } set_current_state(TASK_RUNNING); remove_wait_queue(&ch->open_wait, &wait); + + spin_lock_irqsave(&moxa_lock, flags); if (!tty_hung_up_p(filp)) ch->count++; ch->blocked_open--; + spin_unlock_irqrestore(&moxa_lock, flags); #ifdef SERIAL_DEBUG_OPEN printk("block_til_ready after blocking: ttys%d, count = %d\n", ch->line, ch->count); #endif if (retval) return (retval); + /* FIXME: review to see if we need to use set_bit on these */ ch->asyncflags |= ASYNC_NORMAL_ACTIVE; - return (0); + return 0; } static void setup_empty_event(struct tty_struct *tty) @@ -1080,15 +1085,14 @@ static void setup_empty_event(struct tty_struct *tty) struct moxa_str *ch = tty->driver_data; unsigned long flags; - save_flags(flags); - cli(); + spin_lock_irqsave(&moxa_lock, flags); ch->statusflags |= EMPTYWAIT; moxaEmptyTimer_on[ch->port] = 0; del_timer(&moxaEmptyTimer[ch->port]); moxaEmptyTimer[ch->port].expires = jiffies + HZ; moxaEmptyTimer_on[ch->port] = 1; add_timer(&moxaEmptyTimer[ch->port]); - restore_flags(flags); + spin_unlock_irqrestore(&moxa_lock, flags); } static void check_xmit_empty(unsigned long data) @@ -1135,8 +1139,6 @@ static void receive_data(struct moxa_str *ch) { struct tty_struct *tp; struct termios *ts; - int i, count, rc, space; - unsigned char *charptr, *flagptr; unsigned long flags; ts = NULL; @@ -1150,24 +1152,10 @@ static void receive_data(struct moxa_str *ch) MoxaPortFlushData(ch->port, 0); return; } - space = TTY_FLIPBUF_SIZE - tp->flip.count; - if (space <= 0) - return; - charptr = tp->flip.char_buf_ptr; - flagptr = tp->flip.flag_buf_ptr; - rc = tp->flip.count; - save_flags(flags); - cli(); - count = MoxaPortReadData(ch->port, charptr, space); - restore_flags(flags); - for (i = 0; i < count; i++) - *flagptr++ = 0; - charptr += count; - rc += count; - tp->flip.count = rc; - tp->flip.char_buf_ptr = charptr; - tp->flip.flag_buf_ptr = flagptr; - tty_schedule_flip(ch->tty); + spin_lock_irqsave(&moxa_lock, flags); + MoxaPortReadData(ch->port, tp); + spin_unlock_irqrestore(&moxa_lock, flags); + tty_schedule_flip(tp); } #define Magic_code 0x404 @@ -1661,6 +1649,8 @@ int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port) case MOXA_FIND_BOARD: case MOXA_LOAD_C320B: case MOXA_LOAD_CODE: + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; break; } @@ -1774,7 +1764,7 @@ int MoxaPortsOfCard(int cardno) * 14. MoxaPortDCDON(int port); * * 15. MoxaPortFlushData(int port, int mode); * * 16. MoxaPortWriteData(int port, unsigned char * buffer, int length); * - * 17. MoxaPortReadData(int port, unsigned char * buffer, int length); * + * 17. MoxaPortReadData(int port, struct tty_struct *tty); * * 18. MoxaPortTxBufSize(int port); * * 19. MoxaPortRxBufSize(int port); * * 20. MoxaPortTxQueue(int port); * @@ -2003,10 +1993,9 @@ int MoxaPortsOfCard(int cardno) * * Function 21: Read data. * Syntax: - * int MoxaPortReadData(int port, unsigned char * buffer, int length); + * int MoxaPortReadData(int port, struct tty_struct *tty); * int port : port number (0 - 127) - * unsigned char * buffer : pointer to read data buffer. - * int length : read data buffer length + * struct tty_struct *tty : tty for data * * return: 0 - length : real read data length * @@ -2504,7 +2493,7 @@ int MoxaPortWriteData(int port, unsigned char * buffer, int len) return (total); } -int MoxaPortReadData(int port, unsigned char * buffer, int space) +int MoxaPortReadData(int port, struct tty_struct *tty) { register ushort head, pageofs; int i, count, cnt, len, total, remain; @@ -2522,9 +2511,9 @@ int MoxaPortReadData(int port, unsigned char * buffer, int space) count = (tail >= head) ? (tail - head) : (tail - head + rx_mask + 1); if (count == 0) - return (0); + return 0; - total = (space > count) ? count : space; + total = count; remain = count - total; moxaLog.rxcnt[port] += total; count = total; @@ -2539,7 +2528,7 @@ int MoxaPortReadData(int port, unsigned char * buffer, int space) len = (count > len) ? len : count; ofs = baseAddr + DynPage_addr + bufhead + head; for (i = 0; i < len; i++) - *buffer++ = readb(ofs + i); + tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL); head = (head + len) & rx_mask; count -= len; } @@ -2556,7 +2545,7 @@ int MoxaPortReadData(int port, unsigned char * buffer, int space) writew(pageno, baseAddr + Control_reg); ofs = baseAddr + DynPage_addr + pageofs; for (i = 0; i < cnt; i++) - *buffer++ = readb(ofs + i); + tty_insert_flip_char(tty, readb(ofs + i), TTY_NORMAL); if (count == 0) { writew((head + len) & rx_mask, ofsAddr + RXrptr); break; diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 26448f17680..ea725a9964e 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -813,7 +813,7 @@ static int mxser_init(void) /* start finding PCI board here */ #ifdef CONFIG_PCI - n = (sizeof(mxser_pcibrds) / sizeof(mxser_pcibrds[0])) - 1; + n = ARRAY_SIZE(mxser_pcibrds) - 1; index = 0; b = 0; while (b < n) { @@ -1982,7 +1982,7 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status) spin_lock_irqsave(&info->slock, flags); - recv_room = tty->ldisc.receive_room(tty); + recv_room = tty->receive_room; if ((recv_room == 0) && (!info->ldisc_stop_rx)) { //mxser_throttle(tty); mxser_stoprx(tty); diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index a133a62f3d5..9f54733f162 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -191,7 +191,6 @@ static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait); static int n_hdlc_tty_open(struct tty_struct *tty); static void n_hdlc_tty_close(struct tty_struct *tty); -static int n_hdlc_tty_room(struct tty_struct *tty); static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *cp, char *fp, int count); static void n_hdlc_tty_wakeup(struct tty_struct *tty); @@ -212,7 +211,6 @@ static struct tty_ldisc n_hdlc_ldisc = { .ioctl = n_hdlc_tty_ioctl, .poll = n_hdlc_tty_poll, .receive_buf = n_hdlc_tty_receive, - .receive_room = n_hdlc_tty_room, .write_wakeup = n_hdlc_tty_wakeup, }; @@ -337,6 +335,7 @@ static int n_hdlc_tty_open (struct tty_struct *tty) tty->disc_data = n_hdlc; n_hdlc->tty = tty; + tty->receive_room = 65536; #if defined(TTY_NO_WRITE_SPLIT) /* change tty_io write() to not split large writes into 8K chunks */ @@ -478,22 +477,6 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty) } /* end of n_hdlc_tty_wakeup() */ /** - * n_hdlc_tty_room - Return the amount of space left in the receiver's buffer - * @tty - pointer to associated tty instance data - * - * Callback function from tty driver. Return the amount of space left in the - * receiver's buffer to decide if remote transmitter is to be throttled. - */ -static int n_hdlc_tty_room(struct tty_struct *tty) -{ - if (debuglevel >= DEBUG_LEVEL_INFO) - printk("%s(%d)n_hdlc_tty_room() called\n",__FILE__,__LINE__); - /* always return a larger number to prevent */ - /* throttling of remote transmitter. */ - return 65536; -} /* end of n_hdlc_tty_root() */ - -/** * n_hdlc_tty_receive - Called by tty driver when receive data is available * @tty - pointer to tty instance data * @data - pointer to received data diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 853c98cee64..c48de09d68f 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -147,7 +147,6 @@ static unsigned int r3964_poll(struct tty_struct * tty, struct file * file, struct poll_table_struct *wait); static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp, char *fp, int count); -static int r3964_receive_room(struct tty_struct *tty); static struct tty_ldisc tty_ldisc_N_R3964 = { .owner = THIS_MODULE, @@ -161,7 +160,6 @@ static struct tty_ldisc tty_ldisc_N_R3964 = { .set_termios = r3964_set_termios, .poll = r3964_poll, .receive_buf = r3964_receive_buf, - .receive_room = r3964_receive_room, }; @@ -1119,6 +1117,7 @@ static int r3964_open(struct tty_struct *tty) pInfo->nRetry = 0; tty->disc_data = pInfo; + tty->receive_room = 65536; init_timer(&pInfo->tmr); pInfo->tmr.data = (unsigned long)pInfo; @@ -1405,12 +1404,5 @@ static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp, } } -static int r3964_receive_room(struct tty_struct *tty) -{ - TRACE_L("receive_room"); - return -1; -} - - MODULE_LICENSE("GPL"); MODULE_ALIAS_LDISC(N_R3964); diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index c556f4d3ccd..ccad7ae9454 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -78,7 +78,32 @@ static inline void free_buf(unsigned char *buf) free_page((unsigned long) buf); } -static inline void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) +/** + * n_tty_set__room - receive space + * @tty: terminal + * + * Called by the driver to find out how much data it is + * permitted to feed to the line discipline without any being lost + * and thus to manage flow control. Not serialized. Answers for the + * "instant". + */ + +static void n_tty_set_room(struct tty_struct *tty) +{ + int left = N_TTY_BUF_SIZE - tty->read_cnt - 1; + + /* + * If we are doing input canonicalization, and there are no + * pending newlines, let characters through without limit, so + * that erase characters will be handled. Other excess + * characters will be beeped. + */ + if (left <= 0) + left = tty->icanon && !tty->canon_data; + tty->receive_room = left; +} + +static void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) { if (tty->read_cnt < N_TTY_BUF_SIZE) { tty->read_buf[tty->read_head] = c; @@ -87,7 +112,7 @@ static inline void put_tty_queue_nolock(unsigned char c, struct tty_struct *tty) } } -static inline void put_tty_queue(unsigned char c, struct tty_struct *tty) +static void put_tty_queue(unsigned char c, struct tty_struct *tty) { unsigned long flags; /* @@ -136,6 +161,7 @@ static void reset_buffer_flags(struct tty_struct *tty) spin_unlock_irqrestore(&tty->read_lock, flags); tty->canon_head = tty->canon_data = tty->erasing = 0; memset(&tty->read_flags, 0, sizeof tty->read_flags); + n_tty_set_room(tty); check_unthrottle(tty); } @@ -838,30 +864,6 @@ send_signal: put_tty_queue(c, tty); } -/** - * n_tty_receive_room - receive space - * @tty: terminal - * - * Called by the driver to find out how much data it is - * permitted to feed to the line discipline without any being lost - * and thus to manage flow control. Not serialized. Answers for the - * "instant". - */ - -static int n_tty_receive_room(struct tty_struct *tty) -{ - int left = N_TTY_BUF_SIZE - tty->read_cnt - 1; - - /* - * If we are doing input canonicalization, and there are no - * pending newlines, let characters through without limit, so - * that erase characters will be handled. Other excess - * characters will be beeped. - */ - if (left <= 0) - left = tty->icanon && !tty->canon_data; - return left; -} /** * n_tty_write_wakeup - asynchronous I/O notifier @@ -953,6 +955,8 @@ static void n_tty_receive_buf(struct tty_struct *tty, const unsigned char *cp, tty->driver->flush_chars(tty); } + n_tty_set_room(tty); + if (!tty->icanon && (tty->read_cnt >= tty->minimum_to_wake)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); if (waitqueue_active(&tty->read_wait)) @@ -964,7 +968,7 @@ static void n_tty_receive_buf(struct tty_struct *tty, const unsigned char *cp, * mode. We don't want to throttle the driver if we're in * canonical mode and don't have a newline yet! */ - if (n_tty_receive_room(tty) < TTY_THRESHOLD_THROTTLE) { + if (tty->receive_room < TTY_THRESHOLD_THROTTLE) { /* check TTY_THROTTLED first so it indicates our state */ if (!test_and_set_bit(TTY_THROTTLED, &tty->flags) && tty->driver->throttle) @@ -999,6 +1003,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct termios * old) if (test_bit(TTY_HW_COOK_IN, &tty->flags)) { tty->raw = 1; tty->real_raw = 1; + n_tty_set_room(tty); return; } if (I_ISTRIP(tty) || I_IUCLC(tty) || I_IGNCR(tty) || @@ -1051,6 +1056,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct termios * old) else tty->real_raw = 0; } + n_tty_set_room(tty); } /** @@ -1130,7 +1136,7 @@ static inline int input_available_p(struct tty_struct *tty, int amt) * */ -static inline int copy_from_read_buf(struct tty_struct *tty, +static int copy_from_read_buf(struct tty_struct *tty, unsigned char __user **b, size_t *nr) @@ -1308,6 +1314,7 @@ do_it_again: retval = -ERESTARTSYS; break; } + n_tty_set_room(tty); clear_bit(TTY_DONT_FLIP, &tty->flags); timeout = schedule_timeout(timeout); set_bit(TTY_DONT_FLIP, &tty->flags); @@ -1401,6 +1408,8 @@ do_it_again: } else if (test_and_clear_bit(TTY_PUSH, &tty->flags)) goto do_it_again; + n_tty_set_room(tty); + return retval; } @@ -1553,7 +1562,6 @@ struct tty_ldisc tty_ldisc_N_TTY = { normal_poll, /* poll */ NULL, /* hangup */ n_tty_receive_buf, /* receive_buf */ - n_tty_receive_room, /* receive_room */ n_tty_write_wakeup /* write_wakeup */ }; diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 1af733d0732..3556ccd7757 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -557,13 +557,13 @@ pc_proc_infos(unsigned char *nvram, char *buffer, int *len, (nvram[6] & 1) ? (nvram[6] >> 6) + 1 : 0); PRINT_PROC("Floppy 0 type : "); type = nvram[2] >> 4; - if (type < sizeof (floppy_types) / sizeof (*floppy_types)) + if (type < ARRAY_SIZE(floppy_types)) PRINT_PROC("%s\n", floppy_types[type]); else PRINT_PROC("%d (unknown)\n", type); PRINT_PROC("Floppy 1 type : "); type = nvram[2] & 0x0f; - if (type < sizeof (floppy_types) / sizeof (*floppy_types)) + if (type < ARRAY_SIZE(floppy_types)) PRINT_PROC("%s\n", floppy_types[type]); else PRINT_PROC("%d (unknown)\n", type); @@ -843,8 +843,6 @@ static char *colors[] = { "2", "4", "16", "256", "65536", "??", "??", "??" }; -#define fieldsize(a) (sizeof(a)/sizeof(*a)) - static int atari_proc_infos(unsigned char *nvram, char *buffer, int *len, off_t *begin, off_t offset, int size) @@ -856,7 +854,7 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len, PRINT_PROC("Checksum status : %svalid\n", checksum ? "" : "not "); PRINT_PROC("Boot preference : "); - for (i = fieldsize(boot_prefs) - 1; i >= 0; --i) { + for (i = ARRAY_SIZE(boot_prefs) - 1; i >= 0; --i) { if (nvram[1] == boot_prefs[i].val) { PRINT_PROC("%s\n", boot_prefs[i].name); break; @@ -878,12 +876,12 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len, return 1; PRINT_PROC("OS language : "); - if (nvram[6] < fieldsize(languages)) + if (nvram[6] < ARRAY_SIZE(languages)) PRINT_PROC("%s\n", languages[nvram[6]]); else PRINT_PROC("%u (undefined)\n", nvram[6]); PRINT_PROC("Keyboard language: "); - if (nvram[7] < fieldsize(languages)) + if (nvram[7] < ARRAY_SIZE(languages)) PRINT_PROC("%s\n", languages[nvram[7]]); else PRINT_PROC("%u (undefined)\n", nvram[7]); diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index cf45b100eff..8a8ca32822b 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -1007,8 +1007,9 @@ static void rx_ready_hdlc(MGSLPC_INFO *info, int eom) static void rx_ready_async(MGSLPC_INFO *info, int tcd) { - unsigned char data, status; + unsigned char data, status, flag; int fifo_count; + int work = 0; struct tty_struct *tty = info->tty; struct mgsl_icount *icount = &info->icount; @@ -1023,20 +1024,16 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd) fifo_count = 32; } else fifo_count = 32; - + + tty_buffer_request_room(tty, fifo_count); /* Flush received async data to receive data buffer. */ while (fifo_count) { data = read_reg(info, CHA + RXFIFO); status = read_reg(info, CHA + RXFIFO); fifo_count -= 2; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - break; - - *tty->flip.char_buf_ptr = data; icount->rx++; - - *tty->flip.flag_buf_ptr = 0; + flag = TTY_NORMAL; // if no frameing/crc error then save data // BIT7:parity error @@ -1055,26 +1052,23 @@ static void rx_ready_async(MGSLPC_INFO *info, int tcd) status &= info->read_status_mask; if (status & BIT7) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (status & BIT6) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; } - - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; + work += tty_insert_flip_char(tty, data, flag); } issue_command(info, CHA, CMD_RXFIFO); if (debug_level >= DEBUG_LEVEL_ISR) { - printk("%s(%d):rx_ready_async count=%d\n", - __FILE__,__LINE__,tty->flip.count); + printk("%s(%d):rx_ready_async", + __FILE__,__LINE__); printk("%s(%d):rx=%d brk=%d parity=%d frame=%d overrun=%d\n", __FILE__,__LINE__,icount->rx,icount->brk, icount->parity,icount->frame,icount->overrun); } - if (tty->flip.count) + if (work) tty_flip_buffer_push(tty); } @@ -4005,7 +3999,7 @@ BOOLEAN register_test(MGSLPC_INFO *info) { static unsigned char patterns[] = { 0x00, 0xff, 0xaa, 0x55, 0x69, 0x96, 0x0f }; - static unsigned int count = sizeof(patterns) / sizeof(patterns[0]); + static unsigned int count = ARRAY_SIZE(patterns); unsigned int i; BOOLEAN rc = TRUE; unsigned long flags; @@ -4016,7 +4010,7 @@ BOOLEAN register_test(MGSLPC_INFO *info) for (i = 0; i < count; i++) { write_reg(info, XAD1, patterns[i]); write_reg(info, XAD2, patterns[(i + 1) % count]); - if ((read_reg(info, XAD1) != patterns[i]) || + if ((read_reg(info, XAD1) != patterns[i]) || (read_reg(info, XAD2) != patterns[(i + 1) % count])) { rc = FALSE; break; diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 49f3997fd25..9b5a2c0e700 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -111,7 +111,7 @@ static int pty_write(struct tty_struct * tty, const unsigned char *buf, int coun if (!to || tty->stopped) return 0; - c = to->ldisc.receive_room(to); + c = to->receive_room; if (c > count) c = count; to->ldisc.receive_buf(to, buf, NULL, c); @@ -126,7 +126,7 @@ static int pty_write_room(struct tty_struct *tty) if (!to || tty->stopped) return 0; - return to->ldisc.receive_room(to); + return to->receive_room; } /* diff --git a/drivers/char/random.c b/drivers/char/random.c index bdfdfd28594..86be04b241e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -632,7 +632,7 @@ out: preempt_enable(); } -extern void add_input_randomness(unsigned int type, unsigned int code, +void add_input_randomness(unsigned int type, unsigned int code, unsigned int value) { static unsigned char last_value; diff --git a/drivers/char/rio/board.h b/drivers/char/rio/board.h index 0b397e1c8f1..29c98020409 100644 --- a/drivers/char/rio/board.h +++ b/drivers/char/rio/board.h @@ -52,63 +52,57 @@ static char *_board_h_sccs_ = "@(#)board.h 1.2"; /* ** The shape of the Host Control area, at offset 0x7C00, Write Only */ -struct s_Ctrl -{ - BYTE DpCtl; /* 7C00 */ - BYTE Dp_Unused2_[127]; - BYTE DpIntSet; /* 7C80 */ - BYTE Dp_Unused3_[127]; - BYTE DpTpuReset; /* 7D00 */ - BYTE Dp_Unused4_[127]; - BYTE DpIntReset; /* 7D80 */ - BYTE Dp_Unused5_[127]; +struct s_Ctrl { + BYTE DpCtl; /* 7C00 */ + BYTE Dp_Unused2_[127]; + BYTE DpIntSet; /* 7C80 */ + BYTE Dp_Unused3_[127]; + BYTE DpTpuReset; /* 7D00 */ + BYTE Dp_Unused4_[127]; + BYTE DpIntReset; /* 7D80 */ + BYTE Dp_Unused5_[127]; }; /* ** The PROM data area on the host (0x7C00), Read Only */ -struct s_Prom -{ - WORD DpSlxCode[2]; - WORD DpRev; - WORD Dp_Unused6_; - WORD DpUniq[4]; - WORD DpJahre; - WORD DpWoche; - WORD DpHwFeature[5]; - WORD DpOemId; - WORD DpSiggy[16]; +struct s_Prom { + WORD DpSlxCode[2]; + WORD DpRev; + WORD Dp_Unused6_; + WORD DpUniq[4]; + WORD DpJahre; + WORD DpWoche; + WORD DpHwFeature[5]; + WORD DpOemId; + WORD DpSiggy[16]; }; /* ** Union of the Ctrl and Prom areas */ -union u_CtrlProm /* This is the control/PROM area (0x7C00) */ -{ - struct s_Ctrl DpCtrl; - struct s_Prom DpProm; +union u_CtrlProm { /* This is the control/PROM area (0x7C00) */ + struct s_Ctrl DpCtrl; + struct s_Prom DpProm; }; /* ** The top end of memory! */ -struct s_ParmMapS /* Area containing Parm Map Pointer */ -{ - BYTE Dp_Unused8_[DP_PARMMAP_ADDR]; - WORD DpParmMapAd; +struct s_ParmMapS { /* Area containing Parm Map Pointer */ + BYTE Dp_Unused8_[DP_PARMMAP_ADDR]; + WORD DpParmMapAd; }; -struct s_StartUpS -{ - BYTE Dp_Unused9_[DP_STARTUP_ADDR]; - BYTE Dp_LongJump[0x4]; - BYTE Dp_Unused10_[2]; - BYTE Dp_ShortJump[0x2]; +struct s_StartUpS { + BYTE Dp_Unused9_[DP_STARTUP_ADDR]; + BYTE Dp_LongJump[0x4]; + BYTE Dp_Unused10_[2]; + BYTE Dp_ShortJump[0x2]; }; -union u_Sram2ParmMap /* This is the top of memory (0x7E00-0x7FFF) */ -{ - BYTE DpSramMem[DP_SRAM2_SIZE]; +union u_Sram2ParmMap { /* This is the top of memory (0x7E00-0x7FFF) */ + BYTE DpSramMem[DP_SRAM2_SIZE]; struct s_ParmMapS DpParmMapS; struct s_StartUpS DpStartUpS; }; @@ -116,13 +110,12 @@ union u_Sram2ParmMap /* This is the top of memory (0x7E00-0x7FFF) */ /* ** This is the DP RAM overlay. */ -struct DpRam -{ - BYTE DpSram1[DP_SRAM1_SIZE]; /* 0000 - 7BFF */ - union u_CtrlProm DpCtrlProm; /* 7C00 - 7DFF */ - union u_Sram2ParmMap DpSram2ParmMap; /* 7E00 - 7FFF */ - BYTE DpScratch[DP_SCRATCH_SIZE]; /* 8000 - 8FFF */ - BYTE DpSram3[DP_SRAM3_SIZE]; /* 9000 - FFFF */ +struct DpRam { + BYTE DpSram1[DP_SRAM1_SIZE]; /* 0000 - 7BFF */ + union u_CtrlProm DpCtrlProm; /* 7C00 - 7DFF */ + union u_Sram2ParmMap DpSram2ParmMap; /* 7E00 - 7FFF */ + BYTE DpScratch[DP_SCRATCH_SIZE]; /* 8000 - 8FFF */ + BYTE DpSram3[DP_SRAM3_SIZE]; /* 9000 - FFFF */ }; #define DpControl DpCtrlProm.DpCtrl.DpCtl diff --git a/drivers/char/rio/bootpkt.h b/drivers/char/rio/bootpkt.h index c329aeb7c87..602266e0c08 100644 --- a/drivers/char/rio/bootpkt.h +++ b/drivers/char/rio/bootpkt.h @@ -41,7 +41,7 @@ #ifndef lint #ifdef SCCS -static char *_rio_bootpkt_h_sccs = "@(#)bootpkt.h 1.1" ; +static char *_rio_bootpkt_h_sccs = "@(#)bootpkt.h 1.1"; #endif #endif @@ -49,14 +49,13 @@ static char *_rio_bootpkt_h_sccs = "@(#)bootpkt.h 1.1" ; * Overlayed onto the Data fields of a regular * Packet ************************************************/ -typedef struct BOOT_PKT BOOT_PKT ; +typedef struct BOOT_PKT BOOT_PKT; struct BOOT_PKT { - short seq_num ; - char data[10] ; - } ; + short seq_num; + char data[10]; +}; #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/brates.h b/drivers/char/rio/brates.h deleted file mode 100644 index bd4fc84ec6c..00000000000 --- a/drivers/char/rio/brates.h +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* BRATES.H ******* - ******* ******* - **************************************************************************** - - Author : Jeremy Rolls - Date : 1 Nov 1990 - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef _brates_h -#ifndef lint -/* static char * _brates_h_sccs = "@(#)brates.h 1.4"; */ -#endif -#define _brates_h 1 -/* List of baud rate defines. Most are borrowed from /usr/include/sys/termio.h -*/ -#ifndef INKERNEL - -#define B0 0x00 -#define B50 0x01 -#define B75 0x02 -#define B110 0x03 -#define B134 0x04 -#define B150 0x05 -#define B200 0x06 -#define B300 0x07 -#define B600 0x08 -#define B1200 0x09 -#define B1800 0x0a -#define B2400 0x0b -#define B4800 0x0c -#define B9600 0x0d -#define B19200 0x0e -#define B38400 0x0f - -#endif - -/* -** The following baudrates may or may not be defined -** on various UNIX systems. -** If they are not then we define them. -** If they are then we do not define them ;-) -** -** This is appalling that we use same definitions as UNIX -** for our own download code as there is no garuntee that -** B57600 will be defined as 0x11 by a UNIX system.... -** Arghhhhh!!!!!!!!!!!!!! -*/ -#if !defined(B56000) -#define B56000 0x10 -#endif - -#if !defined(B57600) -#define B57600 0x11 -#endif - -#if !defined(B64000) -#define B64000 0x12 -#endif - -#if !defined(B115200) -#define B115200 0x13 -#endif - - -#if !defined(B2000) -#define B2000 0x14 -#endif - - -#define MAX_RATE B2000 - -struct baud_rate /* Tag for baud rates */ -{ - /* short host_rate,*/ /* As passed by the driver */ - short divisor, /* The divisor */ - prescaler; /* The pre-scaler */ -}; - -#endif diff --git a/drivers/char/rio/chan.h b/drivers/char/rio/chan.h deleted file mode 100644 index 5b306543328..00000000000 --- a/drivers/char/rio/chan.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ -#ifndef _chan_h -#define _chan_h - -#ifndef lint -#ifdef SCCS -static char *_rio_chan_h_sccs = "@(#)chan.h 1.1" ; -#endif -#endif - -#define Link0 0 -#define Link1 1 -#define Link2 2 -#define Link3 3 - -#endif diff --git a/drivers/char/rio/cirrus.h b/drivers/char/rio/cirrus.h index cf056a990f1..217ff09f2fa 100644 --- a/drivers/char/rio/cirrus.h +++ b/drivers/char/rio/cirrus.h @@ -73,20 +73,20 @@ #define TIMER_TICK 0x82 #define STOP_BREAK 0x83 #define BASE(a) ((a) < 4 ? (short*)CIRRUS_FIRST : ((a) < 8 ? (short *)CIRRUS_SECOND : ((a) < 12 ? (short*)CIRRUS_THIRD : (short *)CIRRUS_FOURTH))) -#define txack1 ((short *)0x7104) -#define rxack1 ((short *)0x7102) +#define txack1 ((short *)0x7104) +#define rxack1 ((short *)0x7102) #define mdack1 ((short *)0x7106) -#define txack2 ((short *)0x7006) -#define rxack2 ((short *)0x7004) -#define mdack2 ((short *)0x7100) +#define txack2 ((short *)0x7006) +#define rxack2 ((short *)0x7004) +#define mdack2 ((short *)0x7100) #define int_latch ((short *) 0x7800) -#define int_status ((short *) 0x7c00) -#define tx1_pending 0x20 -#define rx1_pending 0x10 -#define md1_pending 0x40 -#define tx2_pending 0x02 -#define rx2_pending 0x01 -#define md2_pending 0x40 +#define int_status ((short *) 0x7c00) +#define tx1_pending 0x20 +#define rx1_pending 0x10 +#define md1_pending 0x40 +#define tx2_pending 0x02 +#define rx2_pending 0x01 +#define md2_pending 0x40 #define module1_bits 0x07 #define module1_modern 0x08 #define module2_bits 0x70 @@ -113,65 +113,65 @@ NB. These registers are relative values on 8 bit boundaries whereas on the RTA's the CIRRUS registers are on word boundaries. Use pointer arithmetic (short *) to obtain the real addresses required */ -#define ccr 0x05 /* Channel Command Register */ -#define ier 0x06 /* Interrupt Enable Register */ -#define cor1 0x08 /* Channel Option Register 1 */ -#define cor2 0x09 /* Channel Option Register 2 */ -#define cor3 0x0a /* Channel Option Register 3 */ -#define cor4 0x1e /* Channel Option Register 4 */ -#define cor5 0x1f /* Channel Option Register 5 */ - -#define ccsr 0x0b /* Channel Control Status Register */ -#define rdcr 0x0e /* Receive Data Count Register */ -#define tdcr 0x12 /* Transmit Data Count Register */ -#define mcor1 0x15 /* Modem Change Option Register 1 */ -#define mcor2 0x16 /* Modem Change Option Regsiter 2 */ - -#define livr 0x18 /* Local Interrupt Vector Register */ -#define schr1 0x1a /* Special Character Register 1 */ -#define schr2 0x1b /* Special Character Register 2 */ -#define schr3 0x1c /* Special Character Register 3 */ -#define schr4 0x1d /* Special Character Register 4 */ - -#define rtr 0x20 /* Receive Timer Register */ -#define rtpr 0x21 /* Receive Timeout Period Register */ -#define lnc 0x24 /* Lnext character */ - -#define rivr 0x43 /* Receive Interrupt Vector Register */ -#define tivr 0x42 /* Transmit Interrupt Vector Register */ -#define mivr 0x41 /* Modem Interrupt Vector Register */ -#define gfrcr 0x40 /* Global Firmware Revision code Reg */ -#define ricr 0x44 /* Receive Interrupting Channel Reg */ -#define ticr 0x45 /* Transmit Interrupting Channel Reg */ -#define micr 0x46 /* Modem Interrupting Channel Register */ - -#define gcr 0x4b /* Global configuration register*/ -#define misr 0x4c /* Modem interrupt status register */ +#define ccr 0x05 /* Channel Command Register */ +#define ier 0x06 /* Interrupt Enable Register */ +#define cor1 0x08 /* Channel Option Register 1 */ +#define cor2 0x09 /* Channel Option Register 2 */ +#define cor3 0x0a /* Channel Option Register 3 */ +#define cor4 0x1e /* Channel Option Register 4 */ +#define cor5 0x1f /* Channel Option Register 5 */ + +#define ccsr 0x0b /* Channel Control Status Register */ +#define rdcr 0x0e /* Receive Data Count Register */ +#define tdcr 0x12 /* Transmit Data Count Register */ +#define mcor1 0x15 /* Modem Change Option Register 1 */ +#define mcor2 0x16 /* Modem Change Option Regsiter 2 */ + +#define livr 0x18 /* Local Interrupt Vector Register */ +#define schr1 0x1a /* Special Character Register 1 */ +#define schr2 0x1b /* Special Character Register 2 */ +#define schr3 0x1c /* Special Character Register 3 */ +#define schr4 0x1d /* Special Character Register 4 */ + +#define rtr 0x20 /* Receive Timer Register */ +#define rtpr 0x21 /* Receive Timeout Period Register */ +#define lnc 0x24 /* Lnext character */ + +#define rivr 0x43 /* Receive Interrupt Vector Register */ +#define tivr 0x42 /* Transmit Interrupt Vector Register */ +#define mivr 0x41 /* Modem Interrupt Vector Register */ +#define gfrcr 0x40 /* Global Firmware Revision code Reg */ +#define ricr 0x44 /* Receive Interrupting Channel Reg */ +#define ticr 0x45 /* Transmit Interrupting Channel Reg */ +#define micr 0x46 /* Modem Interrupting Channel Register */ + +#define gcr 0x4b /* Global configuration register */ +#define misr 0x4c /* Modem interrupt status register */ #define rbusr 0x59 #define tbusr 0x5a #define mbusr 0x5b -#define eoir 0x60 /* End Of Interrupt Register */ -#define rdsr 0x62 /* Receive Data / Status Register */ -#define tdr 0x63 /* Transmit Data Register */ -#define svrr 0x67 /* Service Request Register */ +#define eoir 0x60 /* End Of Interrupt Register */ +#define rdsr 0x62 /* Receive Data / Status Register */ +#define tdr 0x63 /* Transmit Data Register */ +#define svrr 0x67 /* Service Request Register */ -#define car 0x68 /* Channel Access Register */ -#define mir 0x69 /* Modem Interrupt Register */ -#define tir 0x6a /* Transmit Interrupt Register */ -#define rir 0x6b /* Receive Interrupt Register */ -#define msvr1 0x6c /* Modem Signal Value Register 1 */ -#define msvr2 0x6d /* Modem Signal Value Register 2*/ -#define psvr 0x6f /* Printer Signal Value Register*/ +#define car 0x68 /* Channel Access Register */ +#define mir 0x69 /* Modem Interrupt Register */ +#define tir 0x6a /* Transmit Interrupt Register */ +#define rir 0x6b /* Receive Interrupt Register */ +#define msvr1 0x6c /* Modem Signal Value Register 1 */ +#define msvr2 0x6d /* Modem Signal Value Register 2 */ +#define psvr 0x6f /* Printer Signal Value Register */ -#define tbpr 0x72 /* Transmit Baud Rate Period Register */ -#define tcor 0x76 /* Transmit Clock Option Register */ +#define tbpr 0x72 /* Transmit Baud Rate Period Register */ +#define tcor 0x76 /* Transmit Clock Option Register */ -#define rbpr 0x78 /* Receive Baud Rate Period Register */ -#define rber 0x7a /* Receive Baud Rate Extension Register */ -#define rcor 0x7c /* Receive Clock Option Register*/ -#define ppr 0x7e /* Prescalar Period Register */ +#define rbpr 0x78 /* Receive Baud Rate Period Register */ +#define rber 0x7a /* Receive Baud Rate Extension Register */ +#define rcor 0x7c /* Receive Clock Option Register */ +#define ppr 0x7e /* Prescalar Period Register */ /* Misc registers used for forcing the 1400 out of its reset woes */ #define airl 0x6d @@ -192,10 +192,10 @@ /* RDSR - when status read from FIFO */ #define RDSR_BREAK 0x08 /* Break received */ -#define RDSR_TIMEOUT 0x80 /* No new data timeout */ -#define RDSR_SC1 0x10 /* Special char 1 (tx XON) matched */ -#define RDSR_SC2 0x20 /* Special char 2 (tx XOFF) matched */ -#define RDSR_SC12_MASK 0x30 /* Mask for special chars 1 and 2 */ +#define RDSR_TIMEOUT 0x80 /* No new data timeout */ +#define RDSR_SC1 0x10 /* Special char 1 (tx XON) matched */ +#define RDSR_SC2 0x20 /* Special char 2 (tx XOFF) matched */ +#define RDSR_SC12_MASK 0x30 /* Mask for special chars 1 and 2 */ /* PPR */ #define PPR_DEFAULT 0x31 /* Default value - for a 25Mhz clock gives @@ -244,7 +244,7 @@ #define IER_TIMEOUT 0x01 /* Timeout on no data */ #define IER_DEFAULT 0x94 /* Default values */ -#define IER_PARALLEL 0x84 /* Default for Parallel */ +#define IER_PARALLEL 0x84 /* Default for Parallel */ #define IER_EMPTY 0x92 /* Transmitter empty rather than ready */ /* COR1 - Driver only */ @@ -264,11 +264,11 @@ #define COR1_7BITS 0x02 /* 7 data bits */ #define COR1_8BITS 0x03 /* 8 data bits */ -#define COR1_HOST 0xef /* Safe host bits */ +#define COR1_HOST 0xef /* Safe host bits */ /* RTA only */ -#define COR1_CINPCK 0x00 /* Check parity of received characters */ -#define COR1_CNINPCK 0x10 /* Don't check parity */ +#define COR1_CINPCK 0x00 /* Check parity of received characters */ +#define COR1_CNINPCK 0x10 /* Don't check parity */ /* COR2 bits for both RTA and driver use */ #define COR2_IXANY 0x80 /* IXANY - any character is XON */ @@ -293,9 +293,9 @@ #define COR3_FCT 0x20 /* Flow control transparency */ #define COR3_SCD12 0x10 /* Special character detect for SCHR's 1 + 2 */ #define COR3_FIFO12 0x0c /* 12 chars for receive FIFO threshold */ -#define COR3_FIFO10 0x0a /* 10 chars for receive FIFO threshold */ -#define COR3_FIFO8 0x08 /* 8 chars for receive FIFO threshold */ -#define COR3_FIFO6 0x06 /* 6 chars for receive FIFO threshold */ +#define COR3_FIFO10 0x0a /* 10 chars for receive FIFO threshold */ +#define COR3_FIFO8 0x08 /* 8 chars for receive FIFO threshold */ +#define COR3_FIFO6 0x06 /* 6 chars for receive FIFO threshold */ #define COR3_THRESHOLD COR3_FIFO8 /* MUST BE LESS THAN MCOR_THRESHOLD */ @@ -386,7 +386,7 @@ #define MCOR_THRESHBITS 0x0F /* mask for ANDing out the above */ -#define MCOR_THRESHOLD MCOR_THRESH9 /* MUST BE GREATER THAN COR3_THRESHOLD */ +#define MCOR_THRESHOLD MCOR_THRESH9 /* MUST BE GREATER THAN COR3_THRESHOLD */ /* RTPR */ @@ -429,25 +429,25 @@ #define CONFIG 0x01 /* Configure a port */ #define MOPEN 0x02 /* Modem open (block for DCD) */ #define CLOSE 0x03 /* Close a port */ -#define WFLUSH (0x04 | PRE_EMPTIVE) /* Write flush */ -#define RFLUSH (0x05 | PRE_EMPTIVE) /* Read flush */ -#define RESUME (0x06 | PRE_EMPTIVE) /* Resume if xoffed */ -#define SBREAK 0x07 /* Start break */ +#define WFLUSH (0x04 | PRE_EMPTIVE) /* Write flush */ +#define RFLUSH (0x05 | PRE_EMPTIVE) /* Read flush */ +#define RESUME (0x06 | PRE_EMPTIVE) /* Resume if xoffed */ +#define SBREAK 0x07 /* Start break */ #define EBREAK 0x08 /* End break */ -#define SUSPEND (0x09 | PRE_EMPTIVE) /* Susp op (behave as tho xoffed) */ -#define FCLOSE (0x0a | PRE_EMPTIVE) /* Force close */ -#define XPRINT 0x0b /* Xprint packet */ -#define MBIS (0x0c | PRE_EMPTIVE) /* Set modem lines */ -#define MBIC (0x0d | PRE_EMPTIVE) /* Clear modem lines */ -#define MSET (0x0e | PRE_EMPTIVE) /* Set modem lines */ +#define SUSPEND (0x09 | PRE_EMPTIVE) /* Susp op (behave as tho xoffed) */ +#define FCLOSE (0x0a | PRE_EMPTIVE) /* Force close */ +#define XPRINT 0x0b /* Xprint packet */ +#define MBIS (0x0c | PRE_EMPTIVE) /* Set modem lines */ +#define MBIC (0x0d | PRE_EMPTIVE) /* Clear modem lines */ +#define MSET (0x0e | PRE_EMPTIVE) /* Set modem lines */ #define PCLOSE 0x0f /* Pseudo close - Leaves rx/tx enabled */ -#define MGET (0x10 | PRE_EMPTIVE) /* Force update of modem status */ -#define MEMDUMP (0x11 | PRE_EMPTIVE) /* Send back mem from addr supplied */ -#define READ_REGISTER (0x12 | PRE_EMPTIVE) /* Read CD1400 register (debug) */ +#define MGET (0x10 | PRE_EMPTIVE) /* Force update of modem status */ +#define MEMDUMP (0x11 | PRE_EMPTIVE) /* Send back mem from addr supplied */ +#define READ_REGISTER (0x12 | PRE_EMPTIVE) /* Read CD1400 register (debug) */ /* "Command" packets going from remote to host COMPLETE and MODEM_STATUS use data[4] / data[3] to indicate current state and modem status respectively -*/ +*/ #define COMPLETE (0x20 | PRE_EMPTIVE) /* Command complete */ diff --git a/drivers/char/rio/cmd.h b/drivers/char/rio/cmd.h deleted file mode 100644 index c369edaea2b..00000000000 --- a/drivers/char/rio/cmd.h +++ /dev/null @@ -1,84 +0,0 @@ - - -/**************************************************************************** - ******* ******* - ******* C O M M A N D P A C K E T H E A D E R S - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - - -#ifndef _cmd_h -#define _cmd_h - -#ifndef lint -#ifdef SCCS -static char *_rio_cmd_h_sccs = "@(#)cmd.h 1.1" ; -#endif -#endif - - -#define PRE_EMPTIVE_CMD 0x80 -#define INLINE_CMD ~PRE_EMPTIVE_CMD - -#define CMD_IGNORE_PKT ( (ushort) 0) -#define CMD_STATUS_REQ ( (ushort) 1) -#define CMD_UNIT_STATUS_REQ ( (ushort) 2) /* Is this needed ??? */ -#define CMD_CONF_PORT ( (ushort) 3) -#define CMD_CONF_UNIT ( (ushort) 4) -#define CMD_ROUTE_MAP_REQ ( (ushort) 5) -#define CMD_FLUSH_TX ( (ushort) 6) -#define CMD_FLUSH_RX ( (ushort) 7) -#define CMD_PARTION_PORT ( (ushort) 8) -#define CMD_RESET_PORT ( (ushort) 0x0a) -#define CMD_BOOT_UNIT ( (ushort) 0x0b) -#define CMD_FOUND_UNIT ( (ushort) 0x0c) -#define CMD_ATTACHED_RTA_2 ( (ushort) 0x0d) -#define CMD_PROVIDE_BOOT ( (ushort) 0x0e) -#define CMD_CIRRUS ( (ushort) 0x0f) - -#define FORM_STATUS_PKT ( (ushort) 1 ) -#define FORM_POLL_PKT ( (ushort) 2 ) -#define FORM_LINK_STATUS_PKT ( (ushort) 3 ) - - -#define CMD_DATA_PORT ( (ushort) 1 ) -#define CMD_DATA ( (ushort) 2 ) - -#define CMD_TX_PART ( (ushort) 2 ) -#define CMD_RX_PART ( (ushort) 3 ) -#define CMD_RX_LIMIT ( (ushort) 4 ) - -#endif - -/*********** end of file ***********/ - diff --git a/drivers/char/rio/cmdblk.h b/drivers/char/rio/cmdblk.h index 2b8efbdbee1..a9a8c45631d 100644 --- a/drivers/char/rio/cmdblk.h +++ b/drivers/char/rio/cmdblk.h @@ -44,16 +44,15 @@ static char *_cmdblk_h_sccs_ = "@(#)cmdblk.h 1.2"; ** a rup. */ -struct CmdBlk -{ - struct CmdBlk *NextP; /* Pointer to next command block */ - struct PKT Packet; /* A packet, to copy to the rup */ - /* The func to call to check if OK */ - int (*PreFuncP)(int, struct CmdBlk *); - int PreArg; /* The arg for the func */ - /* The func to call when completed */ - int (*PostFuncP)(int, struct CmdBlk *); - int PostArg; /* The arg for the func */ +struct CmdBlk { + struct CmdBlk *NextP; /* Pointer to next command block */ + struct PKT Packet; /* A packet, to copy to the rup */ + /* The func to call to check if OK */ + int (*PreFuncP) (int, struct CmdBlk *); + int PreArg; /* The arg for the func */ + /* The func to call when completed */ + int (*PostFuncP) (int, struct CmdBlk *); + int PostArg; /* The arg for the func */ }; #define NUM_RIO_CMD_BLKS (3 * (MAX_RUP * 4 + LINKS_PER_UNIT * 4)) diff --git a/drivers/char/rio/cmdpkt.h b/drivers/char/rio/cmdpkt.h index 46befd354f2..77cee8df68e 100644 --- a/drivers/char/rio/cmdpkt.h +++ b/drivers/char/rio/cmdpkt.h @@ -54,135 +54,112 @@ static char *_cmdpkt_h_sccs_ = "@(#)cmdpkt.h 1.2"; ** This structure overlays a PktCmd->CmdData structure, and so starts ** at Data[2] in the actual pkt! */ -struct BootSequence -{ - WORD NumPackets; - WORD LoadBase; - WORD CodeSize; +struct BootSequence { + WORD NumPackets; + WORD LoadBase; + WORD CodeSize; }; #define BOOT_SEQUENCE_LEN 8 -struct SamTop -{ - BYTE Unit; - BYTE Link; +struct SamTop { + BYTE Unit; + BYTE Link; }; -struct CmdHdr -{ - BYTE PcCommand; - union - { - BYTE PcPhbNum; - BYTE PcLinkNum; - BYTE PcIDNum; - } U0; +struct CmdHdr { + BYTE PcCommand; + union { + BYTE PcPhbNum; + BYTE PcLinkNum; + BYTE PcIDNum; + } U0; }; -struct PktCmd -{ - union - { - struct - { - struct CmdHdr CmdHdr; - struct BootSequence PcBootSequence; - } S1; - struct - { - WORD PcSequence; - BYTE PcBootData[RTA_BOOT_DATA_SIZE]; - } S2; - struct - { - WORD __crud__; - BYTE PcUniqNum[4]; /* this is really a uint. */ - BYTE PcModuleTypes; /* what modules are fitted */ - } S3; - struct - { - struct CmdHdr CmdHdr; - BYTE __undefined__; - BYTE PcModemStatus; - BYTE PcPortStatus; - BYTE PcSubCommand; /* commands like mem or register dump */ - WORD PcSubAddr; /* Address for command */ - BYTE PcSubData[64]; /* Date area for command */ - } S4; - struct - { - struct CmdHdr CmdHdr; - BYTE PcCommandText[1]; - BYTE __crud__[20]; - BYTE PcIDNum2; /* It had to go somewhere! */ - } S5; - struct - { - struct CmdHdr CmdHdr; - struct SamTop Topology[LINKS_PER_UNIT]; - } S6; - } U1; +struct PktCmd { + union { + struct { + struct CmdHdr CmdHdr; + struct BootSequence PcBootSequence; + } S1; + struct { + WORD PcSequence; + BYTE PcBootData[RTA_BOOT_DATA_SIZE]; + } S2; + struct { + WORD __crud__; + BYTE PcUniqNum[4]; /* this is really a uint. */ + BYTE PcModuleTypes; /* what modules are fitted */ + } S3; + struct { + struct CmdHdr CmdHdr; + BYTE __undefined__; + BYTE PcModemStatus; + BYTE PcPortStatus; + BYTE PcSubCommand; /* commands like mem or register dump */ + WORD PcSubAddr; /* Address for command */ + BYTE PcSubData[64]; /* Date area for command */ + } S4; + struct { + struct CmdHdr CmdHdr; + BYTE PcCommandText[1]; + BYTE __crud__[20]; + BYTE PcIDNum2; /* It had to go somewhere! */ + } S5; + struct { + struct CmdHdr CmdHdr; + struct SamTop Topology[LINKS_PER_UNIT]; + } S6; + } U1; }; -struct PktCmd_M -{ - union - { - struct - { - struct - { - uchar PcCommand; - union - { - uchar PcPhbNum; - uchar PcLinkNum; - uchar PcIDNum; - } U0; - } CmdHdr; - struct - { - ushort NumPackets; - ushort LoadBase; - ushort CodeSize; - } PcBootSequence; - } S1; - struct - { - ushort PcSequence; - uchar PcBootData[RTA_BOOT_DATA_SIZE]; - } S2; - struct - { - ushort __crud__; - uchar PcUniqNum[4]; /* this is really a uint. */ - uchar PcModuleTypes; /* what modules are fitted */ - } S3; - struct - { - ushort __cmd_hdr__; - uchar __undefined__; - uchar PcModemStatus; - uchar PcPortStatus; - uchar PcSubCommand; - ushort PcSubAddr; - uchar PcSubData[64]; - } S4; - struct - { - ushort __cmd_hdr__; - uchar PcCommandText[1]; - uchar __crud__[20]; - uchar PcIDNum2; /* Tacked on end */ - } S5; - struct - { - ushort __cmd_hdr__; - struct Top Topology[LINKS_PER_UNIT]; - } S6; - } U1; +struct PktCmd_M { + union { + struct { + struct { + uchar PcCommand; + union { + uchar PcPhbNum; + uchar PcLinkNum; + uchar PcIDNum; + } U0; + } CmdHdr; + struct { + ushort NumPackets; + ushort LoadBase; + ushort CodeSize; + } PcBootSequence; + } S1; + struct { + ushort PcSequence; + uchar PcBootData[RTA_BOOT_DATA_SIZE]; + } S2; + struct { + ushort __crud__; + uchar PcUniqNum[4]; /* this is really a uint. */ + uchar PcModuleTypes; /* what modules are fitted */ + } S3; + struct { + ushort __cmd_hdr__; + uchar __undefined__; + uchar PcModemStatus; + uchar PcPortStatus; + uchar PcSubCommand; + ushort PcSubAddr; + uchar PcSubData[64]; + } S4; + struct { + ushort __cmd_hdr__; + uchar PcCommandText[1]; + uchar __crud__[20]; + uchar PcIDNum2; /* Tacked on end */ + } S5; + struct { + ushort __cmd_hdr__; + struct Top Topology[LINKS_PER_UNIT]; + } S6; + } U1; }; #define Command U1.S1.CmdHdr.PcCommand diff --git a/drivers/char/rio/control.h b/drivers/char/rio/control.h index 1712f6261dd..6853d03304a 100644 --- a/drivers/char/rio/control.h +++ b/drivers/char/rio/control.h @@ -51,12 +51,11 @@ #define UFOAD ( CONTROL + 4 ) #define IWAIT ( CONTROL + 5 ) -#define IFOAD_MAGIC 0xF0AD /* of course */ +#define IFOAD_MAGIC 0xF0AD /* of course */ #define ZOMBIE_MAGIC (~0xDEAD) /* not dead -> zombie */ -#define UFOAD_MAGIC 0xD1E /* kill-your-neighbour */ -#define IWAIT_MAGIC 0xB1DE /* Bide your time */ +#define UFOAD_MAGIC 0xD1E /* kill-your-neighbour */ +#define IWAIT_MAGIC 0xB1DE /* Bide your time */ #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/daemon.h b/drivers/char/rio/daemon.h index 62dba0e68b3..28a991bd4fe 100644 --- a/drivers/char/rio/daemon.h +++ b/drivers/char/rio/daemon.h @@ -44,18 +44,16 @@ static char *_daemon_h_sccs_ = "@(#)daemon.h 1.3"; ** structures used on /dev/rio */ -struct Error -{ - uint Error; - uint Entry; - uint Other; +struct Error { + uint Error; + uint Entry; + uint Other; }; -struct DownLoad -{ - char *DataP; - uint Count; - uint ProductCode; +struct DownLoad { + char *DataP; + uint Count; + uint ProductCode; }; /* @@ -66,46 +64,41 @@ struct DownLoad #endif #ifndef MAX_XP_CTRL_LEN -#define MAX_XP_CTRL_LEN 16 /* ALSO IN PORT.H */ +#define MAX_XP_CTRL_LEN 16 /* ALSO IN PORT.H */ #endif -struct PortSetup -{ - uint From; /* Set/Clear XP & IXANY Control from this port.... */ - uint To; /* .... to this port */ - uint XpCps; /* at this speed */ - char XpOn[MAX_XP_CTRL_LEN]; /* this is the start string */ - char XpOff[MAX_XP_CTRL_LEN]; /* this is the stop string */ - uchar IxAny; /* enable/disable IXANY */ - uchar IxOn; /* enable/disable IXON */ - uchar Lock; /* lock port params */ - uchar Store; /* store params across closes */ - uchar Drain; /* close only when drained */ +struct PortSetup { + uint From; /* Set/Clear XP & IXANY Control from this port.... */ + uint To; /* .... to this port */ + uint XpCps; /* at this speed */ + char XpOn[MAX_XP_CTRL_LEN]; /* this is the start string */ + char XpOff[MAX_XP_CTRL_LEN]; /* this is the stop string */ + uchar IxAny; /* enable/disable IXANY */ + uchar IxOn; /* enable/disable IXON */ + uchar Lock; /* lock port params */ + uchar Store; /* store params across closes */ + uchar Drain; /* close only when drained */ }; -struct LpbReq -{ - uint Host; - uint Link; - struct LPB *LpbP; +struct LpbReq { + uint Host; + uint Link; + struct LPB *LpbP; }; -struct RupReq -{ - uint HostNum; - uint RupNum; - struct RUP *RupP; +struct RupReq { + uint HostNum; + uint RupNum; + struct RUP *RupP; }; -struct PortReq -{ - uint SysPort; - struct Port *PortP; +struct PortReq { + uint SysPort; + struct Port *PortP; }; -struct StreamInfo -{ - uint SysPort; +struct StreamInfo { + uint SysPort; #if 0 queue_t RQueue; queue_t WQueue; @@ -115,68 +108,59 @@ struct StreamInfo #endif }; -struct HostReq -{ - uint HostNum; - struct Host *HostP; +struct HostReq { + uint HostNum; + struct Host *HostP; }; -struct HostDpRam -{ - uint HostNum; - struct DpRam *DpRamP; +struct HostDpRam { + uint HostNum; + struct DpRam *DpRamP; }; -struct DebugCtrl -{ - uint SysPort; - uint Debug; - uint Wait; +struct DebugCtrl { + uint SysPort; + uint Debug; + uint Wait; }; -struct MapInfo -{ - uint FirstPort; /* 8 ports, starting from this (tty) number */ - uint RtaUnique; /* reside on this RTA (unique number) */ +struct MapInfo { + uint FirstPort; /* 8 ports, starting from this (tty) number */ + uint RtaUnique; /* reside on this RTA (unique number) */ }; -struct MapIn -{ - uint NumEntries; /* How many port sets are we mapping? */ - struct MapInfo *MapInfoP; /* Pointer to (user space) info */ +struct MapIn { + uint NumEntries; /* How many port sets are we mapping? */ + struct MapInfo *MapInfoP; /* Pointer to (user space) info */ }; -struct SendPack -{ - unsigned int PortNum; - unsigned char Len; - unsigned char Data[PKT_MAX_DATA_LEN]; +struct SendPack { + unsigned int PortNum; + unsigned char Len; + unsigned char Data[PKT_MAX_DATA_LEN]; }; -struct SpecialRupCmd -{ - struct PKT Packet; - unsigned short Host; - unsigned short RupNum; +struct SpecialRupCmd { + struct PKT Packet; + unsigned short Host; + unsigned short RupNum; }; -struct IdentifyRta -{ - ulong RtaUnique; - uchar ID; +struct IdentifyRta { + ulong RtaUnique; + uchar ID; }; -struct KillNeighbour -{ - ulong UniqueNum; - uchar Link; +struct KillNeighbour { + ulong UniqueNum; + uchar Link; }; struct rioVersion { - char version[MAX_VERSION_LEN]; - char relid[MAX_VERSION_LEN]; - int buildLevel; - char buildDate[MAX_VERSION_LEN]; + char version[MAX_VERSION_LEN]; + char relid[MAX_VERSION_LEN]; + int buildLevel; + char buildDate[MAX_VERSION_LEN]; }; @@ -316,16 +300,16 @@ struct rioVersion { #define RIO_SET_XP_CPS rIOCW(155,int) #define RIO_GET_IXANY rIOCR(156,int) /* ixany allowed? */ #define RIO_SET_IXANY rIOCW(157,int) -#define RIO_SET_IXANY_ON rIOCN(158) /* allow ixany */ -#define RIO_SET_IXANY_OFF rIOCN(159) /* disallow ixany */ +#define RIO_SET_IXANY_ON rIOCN(158) /* allow ixany */ +#define RIO_SET_IXANY_OFF rIOCN(159) /* disallow ixany */ #define RIO_GET_MODEM rIOCR(160,int) /* port is modem/direct line? */ #define RIO_SET_MODEM rIOCW(161,int) -#define RIO_SET_MODEM_ON rIOCN(162) /* port is a modem */ -#define RIO_SET_MODEM_OFF rIOCN(163) /* port is direct */ +#define RIO_SET_MODEM_ON rIOCN(162) /* port is a modem */ +#define RIO_SET_MODEM_OFF rIOCN(163) /* port is direct */ #define RIO_GET_IXON rIOCR(164,int) /* ixon allowed? */ #define RIO_SET_IXON rIOCW(165,int) -#define RIO_SET_IXON_ON rIOCN(166) /* allow ixon */ -#define RIO_SET_IXON_OFF rIOCN(167) /* disallow ixon */ +#define RIO_SET_IXON_ON rIOCN(166) /* allow ixon */ +#define RIO_SET_IXON_OFF rIOCN(167) /* disallow ixon */ #define RIO_GET_SIVIEW ((('s')<<8) | 106) /* backwards compatible with SI */ diff --git a/drivers/char/rio/data.h b/drivers/char/rio/data.h deleted file mode 100644 index dabc2d1fa40..00000000000 --- a/drivers/char/rio/data.h +++ /dev/null @@ -1,40 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : data.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:09 -** Retrieved : 11/6/98 11:34:21 -** -** ident @(#)data.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_datadex__ -#define __rio_datadex__ - -#ifndef lint -static char *_data_h_sccs_ = "@(#)data.h 1.2"; -#endif - -#endif diff --git a/drivers/char/rio/debug.h b/drivers/char/rio/debug.h deleted file mode 100644 index b6e0d093555..00000000000 --- a/drivers/char/rio/debug.h +++ /dev/null @@ -1,39 +0,0 @@ -/* -** File: debug.h -** -** Author: David Dix -** -** Created: 12th March 1993 -** -** Last modified: 93/04/27 -** - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef _debug_h_ -#define _debug_h_ - - -#if defined(DCIRRUS) -#define DBPACKET(pkt, opt, str, chn) debug_packet((pkt), (opt), (str), (chn)) -#else -#define DBPACKET(pkt, opt, str, c) -#endif /* DCIRRUS */ - - -#endif /* _debug_h_ */ diff --git a/drivers/char/rio/defaults.h b/drivers/char/rio/defaults.h index 2e7309e2762..5b600c32ac0 100644 --- a/drivers/char/rio/defaults.h +++ b/drivers/char/rio/defaults.h @@ -37,13 +37,13 @@ #ifndef lint #ifdef SCCS -static char *_rio_defaults_h_sccs = "@(#)defaults.h 1.1" ; +static char *_rio_defaults_h_sccs = "@(#)defaults.h 1.1"; #endif #endif -#define MILLISECOND (int) (1000/64) /* 15.625 low ticks */ -#define SECOND (int) 15625 /* Low priority ticks */ +#define MILLISECOND (int) (1000/64) /* 15.625 low ticks */ +#define SECOND (int) 15625 /* Low priority ticks */ #ifdef RTA #define RX_LIMIT (ushort) 3 @@ -56,4 +56,3 @@ static char *_rio_defaults_h_sccs = "@(#)defaults.h 1.1" ; /*********** end of file ***********/ - diff --git a/drivers/char/rio/eisa.h b/drivers/char/rio/eisa.h deleted file mode 100644 index 59371b0528b..00000000000 --- a/drivers/char/rio/eisa.h +++ /dev/null @@ -1,104 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : eisa.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:10 -** Retrieved : 11/6/98 11:34:21 -** -** ident @(#)eisa.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_eisa_h__ -#define __rio_eisa_h__ - -#ifdef SCCS_LABELS -#ifndef lint -static char *_eisa_h_sccs_ = "@(#)eisa.h 1.2"; -#endif -#endif - -/* -** things to do with the EISA bus -*/ - -#define RIO_EISA_STRING_ADDRESS 0xfffd9 /* where EISA is stored */ - -#define RIO_MAX_EISA_SLOTS 16 /* how many EISA slots? */ - -#define RIO_EISA_IDENT 0x984D /* Specialix */ -#define RIO_EISA_PRODUCT_CODE 0x14 /* Code 14 */ -#define RIO_EISA_ENABLE_BIT 0x01 /* To enable card */ - -#define EISA_MEMORY_BASE_LO 0xC00 /* A16-A23 */ -#define EISA_MEMORY_BASE_HI 0xC01 /* A24-A31 */ -#define EISA_INTERRUPT_VEC 0xC02 /* see below */ -#define EISA_CONTROL_PORT 0xC02 /* see below */ -#define EISA_INTERRUPT_RESET 0xC03 /* read to clear IRQ */ - -#define EISA_PRODUCT_IDENT_LO 0xC80 /* where RIO_EISA_IDENT is */ -#define EISA_PRODUCT_IDENT_HI 0xC81 -#define EISA_PRODUCT_NUMBER 0xC82 /* where PROD_CODE is */ -#define EISA_REVISION_NUMBER 0xC83 /* revision (1dp) */ -#define EISA_ENABLE 0xC84 /* set LSB to enable card */ -#define EISA_UNIQUE_NUM_0 0xC88 /* vomit */ -#define EISA_UNIQUE_NUM_1 0xC8A -#define EISA_UNIQUE_NUM_2 0xC90 /* bit strangely arranged */ -#define EISA_UNIQUE_NUM_3 0xC92 -#define EISA_MANUF_YEAR 0xC98 /* when */ -#define EISA_MANUF_WEEK 0xC9A /* more when */ - -#define EISA_TP_BOOT_FROM_RAM 0x01 -#define EISA_TP_BOOT_FROM_LINK 0x00 -#define EISA_TP_FAST_LINKS 0x02 -#define EISA_TP_SLOW_LINKS 0x00 -#define EISA_TP_BUS_ENABLE 0x04 -#define EISA_TP_BUS_DISABLE 0x00 -#define EISA_TP_RUN 0x08 -#define EISA_TP_RESET 0x00 -#define EISA_POLLED 0x00 -#define EISA_IRQ_3 0x30 -#define EISA_IRQ_4 0x40 -#define EISA_IRQ_5 0x50 -#define EISA_IRQ_6 0x60 -#define EISA_IRQ_7 0x70 -#define EISA_IRQ_9 0x90 -#define EISA_IRQ_10 0xA0 -#define EISA_IRQ_11 0xB0 -#define EISA_IRQ_12 0xC0 -#define EISA_IRQ_14 0xE0 -#define EISA_IRQ_15 0xF0 - -#define EISA_INTERRUPT_MASK 0xF0 -#define EISA_CONTROL_MASK 0x0F - -#define RIO_EISA_DEFAULT_MODE EISA_TP_SLOW_LINKS - -#define RIOEisaToIvec(X) (uchar )((uchar)((X) & EISA_INTERRUPT_MASK)>>4) - -#define INBZ(z,x) inb(((z)<<12) | (x)) -#define OUTBZ(z,x,y) outb((((z)<<12) | (x)), y) - -#endif /* __rio_eisa_h__ */ diff --git a/drivers/char/rio/enable.h b/drivers/char/rio/enable.h deleted file mode 100644 index 8e9a419e15b..00000000000 --- a/drivers/char/rio/enable.h +++ /dev/null @@ -1,50 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* E N A B L E H E A D E R S - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS -static char *_rio_enable_h_sccs = "@(#)enable.h 1.1" ; -#endif -#endif - - -#define ENABLE_LTT TRUE -#define ENABLE_LRT TRUE - - -/*********** end of file ***********/ - - diff --git a/drivers/char/rio/error.h b/drivers/char/rio/error.h index 229438e355f..f20f0789db8 100644 --- a/drivers/char/rio/error.h +++ b/drivers/char/rio/error.h @@ -80,6 +80,3 @@ /*********** end of file ***********/ - - - diff --git a/drivers/char/rio/errors.h b/drivers/char/rio/errors.h index f920b9f3e2b..1d0d8914433 100644 --- a/drivers/char/rio/errors.h +++ b/drivers/char/rio/errors.h @@ -101,4 +101,4 @@ static char *_errors_h_sccs_ = "@(#)errors.h 1.2"; #define NOT_ENOUGH_CORE_FOR_PCI_COPY 53 -#endif /* __rio_errors_h__ */ +#endif /* __rio_errors_h__ */ diff --git a/drivers/char/rio/formpkt.h b/drivers/char/rio/formpkt.h deleted file mode 100644 index a8b65ae0de9..00000000000 --- a/drivers/char/rio/formpkt.h +++ /dev/null @@ -1,154 +0,0 @@ - - -/**************************************************************************** - ******* ******* - ******* F O R M P A C K E T H E A D E R F I L E - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef _formpkt_h -#define _formpkt_h 1 - -#ifndef lint -#ifdef SCCS -static char *_rio_formpkt_h_sccs = "@(#)formpkt.h 1.1" ; -#endif -#endif - -typedef struct FORM_BOOT_PKT_1 FORM_BOOT_PKT_1 ; -struct FORM_BOOT_PKT_1 { - ushort pkt_number ; - ushort pkt_total ; - ushort boot_top ; - } ; - -typedef struct FORM_BOOT_PKT_2 FORM_BOOT_PKT_2 ; -struct FORM_BOOT_PKT_2 { - ushort pkt_number ; - char boot_data[10] ; - } ; - - -typedef struct FORM_ATTACH_RTA FORM_ATTACH_RTA ; -struct FORM_ATTACH_RTA { - char cmd_code ; - char booter_serial[4] ; - char booter_link ; - char bootee_serial[4] ; - char bootee_link ; - } ; - - -typedef struct FORM_BOOT_ID FORM_BOOT_ID ; -struct FORM_BOOT_ID { - char cmd_code ; - char bootee_serial[4] ; - char bootee_prod_id ; - char bootee_link ; - } ; - - - -typedef struct FORM_ROUTE_1 FORM_ROUTE_1 ; -struct FORM_ROUTE_1 { - char cmd_code ; - char pkt_number ; - char total_in_sequence ; - char unit_id ; - char host_unit_id ; - } ; - -typedef struct FORM_ROUTE_2 FORM_ROUTE_2 ; -struct FORM_ROUTE_2 { - char cmd_code ; - char pkt_number ; - char total_in_sequence ; - char route_data[9] ; - } ; - -typedef struct FORM_ROUTE_REQ FORM_ROUTE_REQ ; -struct FORM_ROUTE_REQ { - char cmd_code ; - char pkt_number ; - char total_in_sequence ; - char route_data[10] ; - } ; - - -typedef struct FORM_ERROR FORM_ERROR ; -struct FORM_ERROR { - char cmd_code ; - char error_code ; - - } ; - -typedef struct FORM_STATUS FORM_STATUS ; -struct FORM_STATUS { - char cmd_code ; - char status_code ; - char last_packet_valid ; - char tx_buffer ; - char rx_buffer ; - char port_status ; - char phb_status ; - } ; - - -typedef struct FORM_LINK_STATUS FORM_LINK_STATUS ; -struct FORM_LINK_STATUS { - char cmd_code ; - char status_code ; - char link_number ; - ushort rx_errors ; - ushort tx_errors ; - ushort csum_errors ; - ushort disconnects ; - } ; - - - -typedef struct FORM_PARTITION FORM_PARTITION ; -struct FORM_PARTITION { - char cmd_code ; - char status_code ; - char port_number ; - char tx_max ; - char rx_max ; - char rx_limit ; - } ; - - -#endif - -/*********** end of file ***********/ - diff --git a/drivers/char/rio/func.h b/drivers/char/rio/func.h index 01987c6dc39..b4778410ec6 100644 --- a/drivers/char/rio/func.h +++ b/drivers/char/rio/func.h @@ -47,20 +47,19 @@ int RIOBootCodeHOST(struct rio_info *, register struct DownLoad *); int RIOBootCodeUNKNOWN(struct rio_info *, struct DownLoad *); void msec_timeout(struct Host *); int RIOBootRup(struct rio_info *, uint, struct Host *, struct PKT *); -int RIOBootOk(struct rio_info *,struct Host *, ulong); -int RIORtaBound(struct rio_info *, uint); +int RIOBootOk(struct rio_info *, struct Host *, ulong); +int RIORtaBound(struct rio_info *, uint); void FillSlot(int, int, uint, struct Host *); /* riocmd.c */ int RIOFoadRta(struct Host *, struct Map *); int RIOZombieRta(struct Host *, struct Map *); -int RIOCommandRta(struct rio_info *, uint, int (* func)( struct Host *, - struct Map *)); -int RIOIdentifyRta(struct rio_info *, caddr_t); +int RIOCommandRta(struct rio_info *, uint, int (*func) (struct Host *, struct Map *)); +int RIOIdentifyRta(struct rio_info *, caddr_t); int RIOKillNeighbour(struct rio_info *, caddr_t); int RIOSuspendBootRta(struct Host *, int, int); int RIOFoadWakeup(struct rio_info *); -struct CmdBlk * RIOGetCmdBlk(void); +struct CmdBlk *RIOGetCmdBlk(void); void RIOFreeCmdBlk(struct CmdBlk *); int RIOQueueCmdBlk(struct Host *, uint, struct CmdBlk *); void RIOPollHostCommands(struct rio_info *, struct Host *); @@ -71,13 +70,13 @@ void ShowPacket(uint, struct PKT *); /* rioctrl.c */ int copyin(int, caddr_t, int); -int riocontrol(struct rio_info *, dev_t,int,caddr_t,int); -int RIOPreemptiveCmd(struct rio_info *,struct Port *,uchar); +int riocontrol(struct rio_info *, dev_t, int, caddr_t, int); +int RIOPreemptiveCmd(struct rio_info *, struct Port *, uchar); /* rioinit.c */ void rioinit(struct rio_info *, struct RioHostInfo *); void RIOInitHosts(struct rio_info *, struct RioHostInfo *); -void RIOISAinit(struct rio_info *,int); +void RIOISAinit(struct rio_info *, int); int RIODoAT(struct rio_info *, int, int); caddr_t RIOCheckForATCard(int); int RIOAssignAT(struct rio_info *, int, caddr_t, int); @@ -85,7 +84,7 @@ int RIOBoardTest(paddr_t, caddr_t, uchar, int); void RIOAllocDataStructs(struct rio_info *); void RIOSetupDataStructs(struct rio_info *); int RIODefaultName(struct rio_info *, struct Host *, uint); -struct rioVersion * RIOVersid(void); +struct rioVersion *RIOVersid(void); int RIOMapin(paddr_t, int, caddr_t *); void RIOMapout(paddr_t, long, caddr_t); void RIOHostReset(uint, volatile struct DpRam *, uint); @@ -108,7 +107,7 @@ void remove_receive(struct Port *); /* rioroute.c */ int RIORouteRup(struct rio_info *, uint, struct Host *, struct PKT *); -void RIOFixPhbs(struct rio_info *, struct Host *, uint); +void RIOFixPhbs(struct rio_info *, struct Host *, uint); uint GetUnitType(uint); int RIOSetChange(struct rio_info *); int RIOFindFreeID(struct rio_info *, struct Host *, uint *, uint *); @@ -116,9 +115,9 @@ int RIOFindFreeID(struct rio_info *, struct Host *, uint *, uint *); /* riotty.c */ -int riotopen(struct tty_struct * tty, struct file * filp); -int riotclose(void *ptr); -int riotioctl(struct rio_info *, struct tty_struct *, register int, register caddr_t); +int riotopen(struct tty_struct *tty, struct file *filp); +int riotclose(void *ptr); +int riotioctl(struct rio_info *, struct tty_struct *, register int, register caddr_t); void ttyseth(struct Port *, struct ttystatics *, struct old_sgttyb *sg); /* riotable.c */ @@ -127,27 +126,27 @@ int RIOApel(struct rio_info *); int RIODeleteRta(struct rio_info *, struct Map *); int RIOAssignRta(struct rio_info *, struct Map *); int RIOReMapPorts(struct rio_info *, struct Host *, struct Map *); -int RIOChangeName(struct rio_info *, struct Map*); +int RIOChangeName(struct rio_info *, struct Map *); #if 0 /* riodrvr.c */ -struct rio_info * rio_install(struct RioHostInfo *); +struct rio_info *rio_install(struct RioHostInfo *); int rio_uninstall(register struct rio_info *); int rio_open(struct rio_info *, int, struct file *); int rio_close(struct rio_info *, struct file *); int rio_read(struct rio_info *, struct file *, char *, int); -int rio_write(struct rio_info *, struct file * f, char *, int); +int rio_write(struct rio_info *, struct file *f, char *, int); int rio_ioctl(struct rio_info *, struct file *, int, char *); -int rio_select(struct rio_info *, struct file * f, int, struct sel *); -int rio_intr(char *); -int rio_isr_thread(char *); -struct rio_info * rio_info_store( int cmd, struct rio_info * p); +int rio_select(struct rio_info *, struct file *f, int, struct sel *); +int rio_intr(char *); +int rio_isr_thread(char *); +struct rio_info *rio_info_store(int cmd, struct rio_info *p); #endif -extern int rio_pcicopy(char *src, char *dst, int n); -extern int rio_minor (struct tty_struct *tty); -extern int rio_ismodem (struct tty_struct *tty); +extern int rio_pcicopy(char *src, char *dst, int n); +extern int rio_minor(struct tty_struct *tty); +extern int rio_ismodem(struct tty_struct *tty); -extern void rio_start_card_running (struct Host * HostP); +extern void rio_start_card_running(struct Host *HostP); -#endif /* __func_h_def */ +#endif /* __func_h_def */ diff --git a/drivers/char/rio/host.h b/drivers/char/rio/host.h index 4c65963870a..f7dfcedf7d4 100644 --- a/drivers/char/rio/host.h +++ b/drivers/char/rio/host.h @@ -49,33 +49,32 @@ static char *_host_h_sccs_ = "@(#)host.h 1.2"; ** Host data structure. This is used for the software equiv. of ** the host. */ -struct Host -{ - uchar Type; /* RIO_EISA, RIO_MCA, ... */ - uchar Ivec; /* POLLED or ivec number */ - uchar Mode; /* Control stuff */ - uchar Slot; /* Slot */ - volatile caddr_t Caddr; /* KV address of DPRAM */ - volatile struct DpRam *CardP; /* KV address of DPRAM, with overlay */ - paddr_t PaddrP; /* Phys. address of DPRAM */ - char Name[MAX_NAME_LEN]; /* The name of the host */ - uint UniqueNum; /* host unique number */ - spinlock_t HostLock; /* Lock structure for MPX */ - /*struct pci_devinfo PciDevInfo; *//* PCI Bus/Device/Function stuff */ - /*struct lockb HostLock; *//* Lock structure for MPX */ - uint WorkToBeDone; /* set to true each interrupt */ - uint InIntr; /* Being serviced? */ - uint IntSrvDone;/* host's interrupt has been serviced */ - int (*Copy)( caddr_t, caddr_t, int ); /* copy func */ - struct timer_list timer; - /* - ** I M P O R T A N T ! - ** - ** The rest of this data structure is cleared to zero after - ** a RIO_HOST_FOAD command. - */ - - ulong Flags; /* Whats going down */ +struct Host { + uchar Type; /* RIO_EISA, RIO_MCA, ... */ + uchar Ivec; /* POLLED or ivec number */ + uchar Mode; /* Control stuff */ + uchar Slot; /* Slot */ + volatile caddr_t Caddr; /* KV address of DPRAM */ + volatile struct DpRam *CardP; /* KV address of DPRAM, with overlay */ + paddr_t PaddrP; /* Phys. address of DPRAM */ + char Name[MAX_NAME_LEN]; /* The name of the host */ + uint UniqueNum; /* host unique number */ + spinlock_t HostLock; /* Lock structure for MPX */ + /*struct pci_devinfo PciDevInfo; *//* PCI Bus/Device/Function stuff */ + /*struct lockb HostLock; *//* Lock structure for MPX */ + uint WorkToBeDone; /* set to true each interrupt */ + uint InIntr; /* Being serviced? */ + uint IntSrvDone; /* host's interrupt has been serviced */ + int (*Copy) (caddr_t, caddr_t, int); /* copy func */ + struct timer_list timer; + /* + ** I M P O R T A N T ! + ** + ** The rest of this data structure is cleared to zero after + ** a RIO_HOST_FOAD command. + */ + + ulong Flags; /* Whats going down */ #define RC_WAITING 0 #define RC_STARTUP 1 #define RC_RUNNING 2 @@ -93,25 +92,25 @@ struct Host #define RC_BOOT_OWN 0x10 /* Only boot RTAs bound to this system */ #define RC_BOOT_NONE 0x20 /* Don't boot any RTAs (slave mode) */ - struct Top Topology[LINKS_PER_UNIT]; /* one per link */ - struct Map Mapping[MAX_RUP]; /* Mappings for host */ - struct PHB *PhbP; /* Pointer to the PHB array */ - ushort *PhbNumP; /* Ptr to Number of PHB's */ - struct LPB *LinkStrP ; /* Link Structure Array */ - struct RUP *RupP; /* Sixteen real rups here */ - struct PARM_MAP *ParmMapP; /* points to the parmmap */ - uint ExtraUnits[MAX_EXTRA_UNITS]; /* unknown things */ - uint NumExtraBooted; /* how many of the above */ - /* - ** Twenty logical rups. - ** The first sixteen are the real Rup entries (above), the last four - ** are the link RUPs. - */ - struct UnixRup UnixRups[MAX_RUP+LINKS_PER_UNIT]; - int timeout_id; /* For calling 100 ms delays */ - int timeout_sem;/* For calling 100 ms delays */ - long locks; /* long req'd for set_bit --RR */ - char ____end_marker____; + struct Top Topology[LINKS_PER_UNIT]; /* one per link */ + struct Map Mapping[MAX_RUP]; /* Mappings for host */ + struct PHB *PhbP; /* Pointer to the PHB array */ + ushort *PhbNumP; /* Ptr to Number of PHB's */ + struct LPB *LinkStrP; /* Link Structure Array */ + struct RUP *RupP; /* Sixteen real rups here */ + struct PARM_MAP *ParmMapP; /* points to the parmmap */ + uint ExtraUnits[MAX_EXTRA_UNITS]; /* unknown things */ + uint NumExtraBooted; /* how many of the above */ + /* + ** Twenty logical rups. + ** The first sixteen are the real Rup entries (above), the last four + ** are the link RUPs. + */ + struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT]; + int timeout_id; /* For calling 100 ms delays */ + int timeout_sem; /* For calling 100 ms delays */ + long locks; /* long req'd for set_bit --RR */ + char ____end_marker____; }; #define Control CardP->DpControl #define SetInt CardP->DpSetInt @@ -129,6 +128,6 @@ struct Host #define Year CardP->DpYear #define Week CardP->DpWeek -#define RIO_DUMBPARM 0x0860 /* what not to expect */ +#define RIO_DUMBPARM 0x0860 /* what not to expect */ #endif diff --git a/drivers/char/rio/hosthw.h b/drivers/char/rio/hosthw.h deleted file mode 100644 index f6f31ece6e3..00000000000 --- a/drivers/char/rio/hosthw.h +++ /dev/null @@ -1,57 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* H O S T H A R D W A R E - ******* ******* - **************************************************************************** - - Author : Ian Nandhra / Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_hosthw_h_sccs = "@(#)hosthw.h 1.2" ; -#endif -#endif - -#define SET_OTHER_INTERRUPT ( (volatile u_short *) 0x7c80 ) -#define SET_EISA_INTERRUPT ( (volatile u_short *) 0x7ef0 ) - -#define EISA_HOST 0x30 -#define AT_HOST 0xa0 -#define MCA_HOST 0xb0 -#define PCI_HOST 0xd0 - -#define PRODUCT_MASK 0xf0 - - -/*********** end of file ***********/ - - diff --git a/drivers/char/rio/link.h b/drivers/char/rio/link.h index 972250348f4..bfba5b0c033 100644 --- a/drivers/char/rio/link.h +++ b/drivers/char/rio/link.h @@ -70,27 +70,27 @@ #define DIE_NOW (ushort) 0x0200 /* Boot request stuff */ -#define BOOT_REQUEST ((ushort) 0) /* Request for a boot */ -#define BOOT_ABORT ((ushort) 1) /* Abort a boot */ -#define BOOT_SEQUENCE ((ushort) 2) /* Packet with the number of packets - and load address */ -#define BOOT_COMPLETED ((ushort) 3) /* Boot completed */ +#define BOOT_REQUEST ((ushort) 0) /* Request for a boot */ +#define BOOT_ABORT ((ushort) 1) /* Abort a boot */ +#define BOOT_SEQUENCE ((ushort) 2) /* Packet with the number of packets + and load address */ +#define BOOT_COMPLETED ((ushort) 3) /* Boot completed */ /* States that a link can be in */ -#define LINK_DISCONNECTED ((ushort) 0) /* Disconnected */ -#define LINK_BOOT1 ((ushort) 1) /* Trying to send 1st stage boot */ -#define LINK_BOOT2 ((ushort) 2) /* Trying to send 2nd stage boot */ -#define LINK_BOOT2WAIT ((ushort) 3) /* Waiting for selftest results */ -#define LINK_BOOT3 ((ushort) 4) /* Trying to send 3rd stage boots */ -#define LINK_SYNC ((ushort) 5) /* Syncing */ +#define LINK_DISCONNECTED ((ushort) 0) /* Disconnected */ +#define LINK_BOOT1 ((ushort) 1) /* Trying to send 1st stage boot */ +#define LINK_BOOT2 ((ushort) 2) /* Trying to send 2nd stage boot */ +#define LINK_BOOT2WAIT ((ushort) 3) /* Waiting for selftest results */ +#define LINK_BOOT3 ((ushort) 4) /* Trying to send 3rd stage boots */ +#define LINK_SYNC ((ushort) 5) /* Syncing */ -#define LINK_INTRO ((ushort) 10) /* Introductory packet */ -#define LINK_SUPPLYID ((ushort) 11) /* Trying to supply an ID */ -#define LINK_TOPOLOGY ((ushort) 12) /* Send a topology update */ -#define LINK_REQUESTID ((ushort) 13) /* Waiting for an ID */ -#define LINK_CONNECTED ((ushort) 14) /* Connected */ +#define LINK_INTRO ((ushort) 10) /* Introductory packet */ +#define LINK_SUPPLYID ((ushort) 11) /* Trying to supply an ID */ +#define LINK_TOPOLOGY ((ushort) 12) /* Send a topology update */ +#define LINK_REQUESTID ((ushort) 13) /* Waiting for an ID */ +#define LINK_CONNECTED ((ushort) 14) /* Connected */ -#define LINK_INTERCONNECT ((ushort) 20) /* Subnets interconnected */ +#define LINK_INTERCONNECT ((ushort) 20) /* Subnets interconnected */ #define LINK_SPARE ((ushort) 40) @@ -103,12 +103,12 @@ ** LED stuff */ #if defined(RTA) -#define LED_OFF ((ushort) 0) /* LED off */ -#define LED_RED ((ushort) 1) /* LED Red */ -#define LED_GREEN ((ushort) 2) /* LED Green */ -#define LED_ORANGE ((ushort) 4) /* LED Orange */ -#define LED_1TO8_OPEN ((ushort) 1) /* Port 1->8 LED on */ -#define LED_9TO16_OPEN ((ushort) 2) /* Port 9->16 LED on */ +#define LED_OFF ((ushort) 0) /* LED off */ +#define LED_RED ((ushort) 1) /* LED Red */ +#define LED_GREEN ((ushort) 2) /* LED Green */ +#define LED_ORANGE ((ushort) 4) /* LED Orange */ +#define LED_1TO8_OPEN ((ushort) 1) /* Port 1->8 LED on */ +#define LED_9TO16_OPEN ((ushort) 2) /* Port 9->16 LED on */ #define LED_SET_COLOUR(colour) (link->led = (colour)) #define LED_OR_COLOUR(colour) (link->led |= (colour)) #define LED_TIMEOUT(time) (link->led_timeout = RioTimePlus(RioTime(),(time))) @@ -116,72 +116,72 @@ #define LED_SET_COLOUR(colour) #define LED_OR_COLOUR(colour) #define LED_TIMEOUT(time) -#endif /* RTA */ +#endif /* RTA */ struct LPB { - WORD link_number ; /* Link Number */ - Channel_ptr in_ch ; /* Link In Channel */ - Channel_ptr out_ch ; /* Link Out Channel */ + WORD link_number; /* Link Number */ + Channel_ptr in_ch; /* Link In Channel */ + Channel_ptr out_ch; /* Link Out Channel */ #ifdef RTA - uchar stat_led ; /* Port open leds */ - uchar led ; /* True, light led! */ + uchar stat_led; /* Port open leds */ + uchar led; /* True, light led! */ #endif - BYTE attached_serial[4]; /* Attached serial number */ - BYTE attached_host_serial[4]; - /* Serial number of Host who - booted the other end */ - WORD descheduled ; /* Currently Descheduled */ - WORD state; /* Current state */ - WORD send_poll ; /* Send a Poll Packet */ - Process_ptr ltt_p ; /* Process Descriptor */ - Process_ptr lrt_p ; /* Process Descriptor */ - WORD lrt_status ; /* Current lrt status */ - WORD ltt_status ; /* Current ltt status */ - WORD timeout ; /* Timeout value */ - WORD topology; /* Topology bits */ - WORD mon_ltt ; - WORD mon_lrt ; - WORD WaitNoBoot ; /* Secs to hold off booting */ - PKT_ptr add_packet_list; /* Add packets to here */ - PKT_ptr remove_packet_list; /* Send packets from here */ + BYTE attached_serial[4]; /* Attached serial number */ + BYTE attached_host_serial[4]; + /* Serial number of Host who + booted the other end */ + WORD descheduled; /* Currently Descheduled */ + WORD state; /* Current state */ + WORD send_poll; /* Send a Poll Packet */ + Process_ptr ltt_p; /* Process Descriptor */ + Process_ptr lrt_p; /* Process Descriptor */ + WORD lrt_status; /* Current lrt status */ + WORD ltt_status; /* Current ltt status */ + WORD timeout; /* Timeout value */ + WORD topology; /* Topology bits */ + WORD mon_ltt; + WORD mon_lrt; + WORD WaitNoBoot; /* Secs to hold off booting */ + PKT_ptr add_packet_list; /* Add packets to here */ + PKT_ptr remove_packet_list; /* Send packets from here */ #ifdef RTA #ifdef DCIRRUS -#define QBUFS_PER_REDIRECT (4 / PKTS_PER_BUFFER + 1) +#define QBUFS_PER_REDIRECT (4 / PKTS_PER_BUFFER + 1) #else -#define QBUFS_PER_REDIRECT (8 / PKTS_PER_BUFFER + 1) +#define QBUFS_PER_REDIRECT (8 / PKTS_PER_BUFFER + 1) #endif - PKT_ptr_ptr rd_add ; /* Add a new Packet here */ - Q_BUF_ptr rd_add_qb; /* Pointer to the add Q buf */ - PKT_ptr_ptr rd_add_st_qbb ; /* Pointer to start of the Q's buf */ - PKT_ptr_ptr rd_add_end_qbb ; /* Pointer to the end of the Q's buf */ - PKT_ptr_ptr rd_remove ; /* Remove a Packet here */ - Q_BUF_ptr rd_remove_qb ; /* Pointer to the remove Q buf */ - PKT_ptr_ptr rd_remove_st_qbb ; /* Pointer to the start of the Q buf */ - PKT_ptr_ptr rd_remove_end_qbb ; /* Pointer to the end of the Q buf */ - ushort pkts_in_q ; /* Packets in queue */ + PKT_ptr_ptr rd_add; /* Add a new Packet here */ + Q_BUF_ptr rd_add_qb; /* Pointer to the add Q buf */ + PKT_ptr_ptr rd_add_st_qbb; /* Pointer to start of the Q's buf */ + PKT_ptr_ptr rd_add_end_qbb; /* Pointer to the end of the Q's buf */ + PKT_ptr_ptr rd_remove; /* Remove a Packet here */ + Q_BUF_ptr rd_remove_qb; /* Pointer to the remove Q buf */ + PKT_ptr_ptr rd_remove_st_qbb; /* Pointer to the start of the Q buf */ + PKT_ptr_ptr rd_remove_end_qbb; /* Pointer to the end of the Q buf */ + ushort pkts_in_q; /* Packets in queue */ #endif - Channel_ptr lrt_fail_chan ; /* Lrt's failure channel */ - Channel_ptr ltt_fail_chan ; /* Ltt's failure channel */ + Channel_ptr lrt_fail_chan; /* Lrt's failure channel */ + Channel_ptr ltt_fail_chan; /* Ltt's failure channel */ #if defined (HOST) || defined (INKERNEL) - /* RUP structure for HOST to driver communications */ - struct RUP rup ; + /* RUP structure for HOST to driver communications */ + struct RUP rup; #endif - struct RUP link_rup; /* RUP for the link (POLL, - topology etc.) */ - WORD attached_link ; /* Number of attached link */ - WORD csum_errors ; /* csum errors */ - WORD num_disconnects ; /* number of disconnects */ - WORD num_sync_rcvd ; /* # sync's received */ - WORD num_sync_rqst ; /* # sync requests */ - WORD num_tx ; /* Num pkts sent */ - WORD num_rx ; /* Num pkts received */ - WORD module_attached; /* Module tpyes of attached */ - WORD led_timeout; /* LED timeout */ - WORD first_port; /* First port to service */ - WORD last_port; /* Last port to service */ - } ; + struct RUP link_rup; /* RUP for the link (POLL, + topology etc.) */ + WORD attached_link; /* Number of attached link */ + WORD csum_errors; /* csum errors */ + WORD num_disconnects; /* number of disconnects */ + WORD num_sync_rcvd; /* # sync's received */ + WORD num_sync_rqst; /* # sync requests */ + WORD num_tx; /* Num pkts sent */ + WORD num_rx; /* Num pkts received */ + WORD module_attached; /* Module tpyes of attached */ + WORD led_timeout; /* LED timeout */ + WORD first_port; /* First port to service */ + WORD last_port; /* Last port to service */ +}; #endif diff --git a/drivers/char/rio/linux_compat.h b/drivers/char/rio/linux_compat.h index d53843abe02..17a14c4a342 100644 --- a/drivers/char/rio/linux_compat.h +++ b/drivers/char/rio/linux_compat.h @@ -41,7 +41,7 @@ #endif struct ttystatics { - struct termios tm; + struct termios tm; }; #define bzero(d, n) memset((d), 0, (n)) @@ -97,26 +97,24 @@ the older driver. The older driver includes "brates.h" which shadows the definitions from Linux, and is incompatible... */ /* RxBaud and TxBaud definitions... */ -#define RIO_B0 0x00 /* RTS / DTR signals dropped */ -#define RIO_B50 0x01 /* 50 baud */ -#define RIO_B75 0x02 /* 75 baud */ -#define RIO_B110 0x03 /* 110 baud */ -#define RIO_B134 0x04 /* 134.5 baud */ -#define RIO_B150 0x05 /* 150 baud */ -#define RIO_B200 0x06 /* 200 baud */ -#define RIO_B300 0x07 /* 300 baud */ -#define RIO_B600 0x08 /* 600 baud */ -#define RIO_B1200 0x09 /* 1200 baud */ -#define RIO_B1800 0x0A /* 1800 baud */ -#define RIO_B2400 0x0B /* 2400 baud */ -#define RIO_B4800 0x0C /* 4800 baud */ -#define RIO_B9600 0x0D /* 9600 baud */ -#define RIO_B19200 0x0E /* 19200 baud */ -#define RIO_B38400 0x0F /* 38400 baud */ -#define RIO_B56000 0x10 /* 56000 baud */ -#define RIO_B57600 0x11 /* 57600 baud */ -#define RIO_B64000 0x12 /* 64000 baud */ -#define RIO_B115200 0x13 /* 115200 baud */ -#define RIO_B2000 0x14 /* 2000 baud */ - - +#define RIO_B0 0x00 /* RTS / DTR signals dropped */ +#define RIO_B50 0x01 /* 50 baud */ +#define RIO_B75 0x02 /* 75 baud */ +#define RIO_B110 0x03 /* 110 baud */ +#define RIO_B134 0x04 /* 134.5 baud */ +#define RIO_B150 0x05 /* 150 baud */ +#define RIO_B200 0x06 /* 200 baud */ +#define RIO_B300 0x07 /* 300 baud */ +#define RIO_B600 0x08 /* 600 baud */ +#define RIO_B1200 0x09 /* 1200 baud */ +#define RIO_B1800 0x0A /* 1800 baud */ +#define RIO_B2400 0x0B /* 2400 baud */ +#define RIO_B4800 0x0C /* 4800 baud */ +#define RIO_B9600 0x0D /* 9600 baud */ +#define RIO_B19200 0x0E /* 19200 baud */ +#define RIO_B38400 0x0F /* 38400 baud */ +#define RIO_B56000 0x10 /* 56000 baud */ +#define RIO_B57600 0x11 /* 57600 baud */ +#define RIO_B64000 0x12 /* 64000 baud */ +#define RIO_B115200 0x13 /* 115200 baud */ +#define RIO_B2000 0x14 /* 2000 baud */ diff --git a/drivers/char/rio/list.h b/drivers/char/rio/list.h index a4f7f1f5625..36aad4c9cb3 100644 --- a/drivers/char/rio/list.h +++ b/drivers/char/rio/list.h @@ -38,7 +38,7 @@ #ifdef SCCS_LABELS #ifndef lint -static char *_rio_list_h_sccs = "@(#)list.h 1.9" ; +static char *_rio_list_h_sccs = "@(#)list.h 1.9"; #endif #endif @@ -166,7 +166,7 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9" ; #endif -#else /* !IN_KERNEL */ +#else /* !IN_KERNEL */ #define ZERO_PTR NULL @@ -192,5 +192,5 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9" ; #define splx(oldspl) if ((oldspl) == 0) spl0() #endif -#endif /* ifndef _list.h */ +#endif /* ifndef _list.h */ /*********** end of file ***********/ diff --git a/drivers/char/rio/lrt.h b/drivers/char/rio/lrt.h deleted file mode 100644 index bbac8fa18fe..00000000000 --- a/drivers/char/rio/lrt.h +++ /dev/null @@ -1,55 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* L R T - ******* ******* - **************************************************************************** - - Author : Ian Nandhra / Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_lrt_h_sccs = "@(#)lrt.h 1.1" ; -#endif -#endif - - -#ifdef DCIRRUS -#define LRT_STACK (unsigned short) 600 -#else -#define LRT_STACK (ushort) 200 -#endif - - - -/*********** end of file ***********/ - - - diff --git a/drivers/char/rio/ltt.h b/drivers/char/rio/ltt.h deleted file mode 100644 index f27dcecf03c..00000000000 --- a/drivers/char/rio/ltt.h +++ /dev/null @@ -1,55 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* L T T - ******* ******* - **************************************************************************** - - Author : Ian Nandhra / Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_ltt_h_sccs = "@(#)ltt.h 1.1" ; -#endif -#endif - -#ifdef DCIRRUS -#define LTT_STACK (unsigned short) 600 -#else -#define LTT_STACK (ushort) 200 -#endif - - - - -/*********** end of file ***********/ - - - diff --git a/drivers/char/rio/lttwake.h b/drivers/char/rio/lttwake.h deleted file mode 100644 index fe17d0ee493..00000000000 --- a/drivers/char/rio/lttwake.h +++ /dev/null @@ -1,53 +0,0 @@ - - - -/**************************************************************************** - ******* ******* - ******* L T T W A K E U P H E A D E R - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_lttwake_h_sccs = "@(#)lttwake.h 1.1" ; -#endif -#endif - -#define LTT_WAKEUP_STACK 500 -#define LTT_WAKEUP_INTERVAL (int) (500 * MILLISECOND) - - -/*********** end of file ***********/ - - - diff --git a/drivers/char/rio/map.h b/drivers/char/rio/map.h index 400645a1ff2..97fe287aab2 100644 --- a/drivers/char/rio/map.h +++ b/drivers/char/rio/map.h @@ -46,21 +46,20 @@ static char *_map_h_sccs_ = "@(#)map.h 1.2"; #define TOTAL_MAP_ENTRIES (MAX_MAP_ENTRY*RIO_SLOTS) #define MAX_NAME_LEN 32 -struct Map -{ - uint HostUniqueNum; /* Supporting hosts unique number */ - uint RtaUniqueNum; /* Unique number */ +struct Map { + uint HostUniqueNum; /* Supporting hosts unique number */ + uint RtaUniqueNum; /* Unique number */ /* - ** The next two IDs must be swapped on big-endian architectures - ** when using a v2.04 /etc/rio/config with a v3.00 driver (when - ** upgrading for example). - */ - ushort ID; /* ID used in the subnet */ - ushort ID2; /* ID of 2nd block of 8 for 16 port */ - ulong Flags; /* Booted, ID Given, Disconnected */ - ulong SysPort; /* First tty mapped to this port */ - struct Top Topology[LINKS_PER_UNIT]; /* ID connected to each link */ - char Name[MAX_NAME_LEN]; /* Cute name by which RTA is known */ + ** The next two IDs must be swapped on big-endian architectures + ** when using a v2.04 /etc/rio/config with a v3.00 driver (when + ** upgrading for example). + */ + ushort ID; /* ID used in the subnet */ + ushort ID2; /* ID of 2nd block of 8 for 16 port */ + ulong Flags; /* Booted, ID Given, Disconnected */ + ulong SysPort; /* First tty mapped to this port */ + struct Top Topology[LINKS_PER_UNIT]; /* ID connected to each link */ + char Name[MAX_NAME_LEN]; /* Cute name by which RTA is known */ }; /* diff --git a/drivers/char/rio/mca.h b/drivers/char/rio/mca.h deleted file mode 100644 index 08a327e473a..00000000000 --- a/drivers/char/rio/mca.h +++ /dev/null @@ -1,73 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : mca.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:11 -** Retrieved : 11/6/98 11:34:21 -** -** ident @(#)mca.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_mca_h__ -#define __rio_mca_h__ - -#ifdef SCCS_LABELS -static char *_mca_h_sccs_ = "@(#)mca.h 1.2"; -#endif - -/* -** Micro Channel stuff -*/ - -#define McaMaxSlots 8 -#define McaSlotSelect 0x96 -#define McaSlotEnable 0x08 -#define McaIdLow 0x100 -#define McaIdHigh 0x101 -#define McaIrqEnable 0x102 -#define McaMemory 0x103 -#define McaRIOId 0x6a5c -#define McaIrq9 0x00 -#define McaIrq3 0x02 -#define McaIrq4 0x04 -#define McaIrq7 0x06 -#define McaIrq10 0x08 -#define McaIrq11 0x0A -#define McaIrq12 0x0C -#define McaIrq15 0x0E -#define McaIrqMask 0x0E -#define McaCardEnable 0x01 -#define McaAddress(X) (((X)&0xFF)<<16) - -#define McaTpFastLinks 0x40 -#define McaTpSlowLinks 0x00 -#define McaTpBootFromRam 0x01 -#define McaTpBootFromLink 0x00 -#define McaTpBusEnable 0x02 -#define McaTpBusDisable 0x00 - -#define RIO_MCA_DEFAULT_MODE SLOW_LINKS - -#endif /* __rio_mca_h__ */ diff --git a/drivers/char/rio/mesg.h b/drivers/char/rio/mesg.h deleted file mode 100644 index 9cf6c0bacea..00000000000 --- a/drivers/char/rio/mesg.h +++ /dev/null @@ -1,41 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : mesg.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:12 -** Retrieved : 11/6/98 11:34:21 -** -** ident @(#)mesg.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_mesg_h__ -#define __rio_mesg_h__ - -#ifdef SCCS_LABELS -static char *_mesg_h_sccs_ = "@(#)mesg.h 1.2"; -#endif - - -#endif /* __rio_mesg_h__ */ diff --git a/drivers/char/rio/param.h b/drivers/char/rio/param.h index 2dc30b9aab3..de7e57180c9 100644 --- a/drivers/char/rio/param.h +++ b/drivers/char/rio/param.h @@ -42,20 +42,19 @@ static char *_param_h_sccs_ = "@(#)param.h 1.2"; ** the param command block, as used in OPEN and PARAM calls. */ -struct phb_param -{ - BYTE Cmd; /* It is very important that these line up */ - BYTE Cor1; /* with what is expected at the other end. */ - BYTE Cor2; /* to confirm that you've got it right, */ - BYTE Cor4; /* check with cirrus/cirrus.h */ - BYTE Cor5; - BYTE TxXon; /* Transmit X-On character */ - BYTE TxXoff; /* Transmit X-Off character */ - BYTE RxXon; /* Receive X-On character */ - BYTE RxXoff; /* Receive X-Off character */ - BYTE LNext; /* Literal-next character */ - BYTE TxBaud; /* Transmit baudrate */ - BYTE RxBaud; /* Receive baudrate */ +struct phb_param { + BYTE Cmd; /* It is very important that these line up */ + BYTE Cor1; /* with what is expected at the other end. */ + BYTE Cor2; /* to confirm that you've got it right, */ + BYTE Cor4; /* check with cirrus/cirrus.h */ + BYTE Cor5; + BYTE TxXon; /* Transmit X-On character */ + BYTE TxXoff; /* Transmit X-Off character */ + BYTE RxXon; /* Receive X-On character */ + BYTE RxXoff; /* Receive X-Off character */ + BYTE LNext; /* Literal-next character */ + BYTE TxBaud; /* Transmit baudrate */ + BYTE RxBaud; /* Receive baudrate */ }; #endif diff --git a/drivers/char/rio/parmmap.h b/drivers/char/rio/parmmap.h index 46f99dfdac8..fe4e0056706 100644 --- a/drivers/char/rio/parmmap.h +++ b/drivers/char/rio/parmmap.h @@ -44,53 +44,50 @@ #endif #endif -typedef struct PARM_MAP PARM_MAP ; +typedef struct PARM_MAP PARM_MAP; -struct PARM_MAP -{ -PHB_ptr phb_ptr ; /* Pointer to the PHB array */ -WORD_ptr phb_num_ptr ; /* Ptr to Number of PHB's */ -FREE_LIST_ptr free_list; /* Free List pointer */ -FREE_LIST_ptr free_list_end; /* Free List End pointer */ -Q_BUF_ptr_ptr q_free_list_ptr ; /* Ptr to Q_BUF variable */ -BYTE_ptr unit_id_ptr ; /* Unit Id */ -LPB_ptr link_str_ptr ; /* Link Structure Array */ -BYTE_ptr bootloader_1 ; /* 1st Stage Boot Loader */ -BYTE_ptr bootloader_2 ; /* 2nd Stage Boot Loader */ -WORD_ptr port_route_map_ptr ; /* Port Route Map */ -ROUTE_STR_ptr route_ptr ; /* Unit Route Map */ -NUMBER_ptr map_present ; /* Route Map present */ -NUMBER pkt_num ; /* Total number of packets */ -NUMBER q_num ; /* Total number of Q packets */ -WORD buffers_per_port ; /* Number of buffers per port */ -WORD heap_size ; /* Initial size of heap */ -WORD heap_left ; /* Current Heap left */ -WORD error ; /* Error code */ -WORD tx_max; /* Max number of tx pkts per phb */ -WORD rx_max; /* Max number of rx pkts per phb */ -WORD rx_limit; /* For high / low watermarks */ -NUMBER links ; /* Links to use */ -NUMBER timer ; /* Interrupts per second */ -RUP_ptr rups ; /* Pointer to the RUPs */ -WORD max_phb ; /* Mostly for debugging */ -WORD living ; /* Just increments!! */ -WORD init_done ; /* Initialisation over */ -WORD booting_link ; -WORD idle_count ; /* Idle time counter */ -WORD busy_count ; /* Busy counter */ -WORD idle_control ; /* Control Idle Process */ +struct PARM_MAP { + PHB_ptr phb_ptr; /* Pointer to the PHB array */ + WORD_ptr phb_num_ptr; /* Ptr to Number of PHB's */ + FREE_LIST_ptr free_list; /* Free List pointer */ + FREE_LIST_ptr free_list_end; /* Free List End pointer */ + Q_BUF_ptr_ptr q_free_list_ptr; /* Ptr to Q_BUF variable */ + BYTE_ptr unit_id_ptr; /* Unit Id */ + LPB_ptr link_str_ptr; /* Link Structure Array */ + BYTE_ptr bootloader_1; /* 1st Stage Boot Loader */ + BYTE_ptr bootloader_2; /* 2nd Stage Boot Loader */ + WORD_ptr port_route_map_ptr; /* Port Route Map */ + ROUTE_STR_ptr route_ptr; /* Unit Route Map */ + NUMBER_ptr map_present; /* Route Map present */ + NUMBER pkt_num; /* Total number of packets */ + NUMBER q_num; /* Total number of Q packets */ + WORD buffers_per_port; /* Number of buffers per port */ + WORD heap_size; /* Initial size of heap */ + WORD heap_left; /* Current Heap left */ + WORD error; /* Error code */ + WORD tx_max; /* Max number of tx pkts per phb */ + WORD rx_max; /* Max number of rx pkts per phb */ + WORD rx_limit; /* For high / low watermarks */ + NUMBER links; /* Links to use */ + NUMBER timer; /* Interrupts per second */ + RUP_ptr rups; /* Pointer to the RUPs */ + WORD max_phb; /* Mostly for debugging */ + WORD living; /* Just increments!! */ + WORD init_done; /* Initialisation over */ + WORD booting_link; + WORD idle_count; /* Idle time counter */ + WORD busy_count; /* Busy counter */ + WORD idle_control; /* Control Idle Process */ #if defined(HOST) || defined(INKERNEL) -WORD tx_intr; /* TX interrupt pending */ -WORD rx_intr; /* RX interrupt pending */ -WORD rup_intr; /* RUP interrupt pending */ + WORD tx_intr; /* TX interrupt pending */ + WORD rx_intr; /* RX interrupt pending */ + WORD rup_intr; /* RUP interrupt pending */ #endif #if defined(RTA) -WORD dying_count; /* Count of processes dead */ + WORD dying_count; /* Count of processes dead */ #endif -} ; +}; #endif /*********** end of file ***********/ - - diff --git a/drivers/char/rio/pci.h b/drivers/char/rio/pci.h index dc635bd2519..1eba9118079 100644 --- a/drivers/char/rio/pci.h +++ b/drivers/char/rio/pci.h @@ -73,4 +73,4 @@ static char *_pci_h_sccs_ = "@(#)pci.h 1.2"; #define RIO_PCI_DEFAULT_MODE 0x05 -#endif /* __rio_pci_h__ */ +#endif /* __rio_pci_h__ */ diff --git a/drivers/char/rio/phb.h b/drivers/char/rio/phb.h index e1483a0e30b..3baebf8513a 100644 --- a/drivers/char/rio/phb.h +++ b/drivers/char/rio/phb.h @@ -58,37 +58,37 @@ /************************************************* * Handshake asserted. Deasserted by the LTT(s) ************************************************/ -#define PHB_HANDSHAKE_SET ((ushort) 0x001) /* Set by LRT */ +#define PHB_HANDSHAKE_SET ((ushort) 0x001) /* Set by LRT */ -#define PHB_HANDSHAKE_RESET ((ushort) 0x002) /* Set by ISR / driver */ +#define PHB_HANDSHAKE_RESET ((ushort) 0x002) /* Set by ISR / driver */ #define PHB_HANDSHAKE_FLAGS (PHB_HANDSHAKE_RESET | PHB_HANDSHAKE_SET) - /* Reset by ltt */ + /* Reset by ltt */ /************************************************* * Maximum number of PHB's ************************************************/ #if defined (HOST) || defined (INKERNEL) -#define MAX_PHB ((ushort) 128) /* range 0-127 */ +#define MAX_PHB ((ushort) 128) /* range 0-127 */ #else -#define MAX_PHB ((ushort) 8) /* range 0-7 */ +#define MAX_PHB ((ushort) 8) /* range 0-7 */ #endif /************************************************* * Defines for the mode fields ************************************************/ -#define TXPKT_INCOMPLETE 0x0001 /* Previous tx packet not completed */ -#define TXINTR_ENABLED 0x0002 /* Tx interrupt is enabled */ -#define TX_TAB3 0x0004 /* TAB3 mode */ -#define TX_OCRNL 0x0008 /* OCRNL mode */ -#define TX_ONLCR 0x0010 /* ONLCR mode */ -#define TX_SENDSPACES 0x0020 /* Send n spaces command needs - completing */ -#define TX_SENDNULL 0x0040 /* Escaping NULL needs completing */ -#define TX_SENDLF 0x0080 /* LF -> CR LF needs completing */ -#define TX_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel - port */ +#define TXPKT_INCOMPLETE 0x0001 /* Previous tx packet not completed */ +#define TXINTR_ENABLED 0x0002 /* Tx interrupt is enabled */ +#define TX_TAB3 0x0004 /* TAB3 mode */ +#define TX_OCRNL 0x0008 /* OCRNL mode */ +#define TX_ONLCR 0x0010 /* ONLCR mode */ +#define TX_SENDSPACES 0x0020 /* Send n spaces command needs + completing */ +#define TX_SENDNULL 0x0040 /* Escaping NULL needs completing */ +#define TX_SENDLF 0x0080 /* LF -> CR LF needs completing */ +#define TX_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel + port */ #define TX_HANGOVER (TX_SENDSPACES | TX_SENDLF | TX_SENDNULL) #define TX_DTRFLOW 0x0200 /* DTR tx flow control */ #define TX_DTRFLOWED 0x0400 /* DTR is low - don't allow more data @@ -96,34 +96,34 @@ #define TX_DATAINFIFO 0x0800 /* There is data in the FIFO */ #define TX_BUSY 0x1000 /* Data in FIFO, shift or holding regs */ -#define RX_SPARE 0x0001 /* SPARE */ -#define RXINTR_ENABLED 0x0002 /* Rx interrupt enabled */ -#define RX_ICRNL 0x0008 /* ICRNL mode */ -#define RX_INLCR 0x0010 /* INLCR mode */ -#define RX_IGNCR 0x0020 /* IGNCR mode */ -#define RX_CTSFLOW 0x0040 /* CTSFLOW enabled */ -#define RX_IXOFF 0x0080 /* IXOFF enabled */ -#define RX_CTSFLOWED 0x0100 /* CTSFLOW and CTS dropped */ -#define RX_IXOFFED 0x0200 /* IXOFF and xoff sent */ -#define RX_BUFFERED 0x0400 /* Try and pass on complete packets */ +#define RX_SPARE 0x0001 /* SPARE */ +#define RXINTR_ENABLED 0x0002 /* Rx interrupt enabled */ +#define RX_ICRNL 0x0008 /* ICRNL mode */ +#define RX_INLCR 0x0010 /* INLCR mode */ +#define RX_IGNCR 0x0020 /* IGNCR mode */ +#define RX_CTSFLOW 0x0040 /* CTSFLOW enabled */ +#define RX_IXOFF 0x0080 /* IXOFF enabled */ +#define RX_CTSFLOWED 0x0100 /* CTSFLOW and CTS dropped */ +#define RX_IXOFFED 0x0200 /* IXOFF and xoff sent */ +#define RX_BUFFERED 0x0400 /* Try and pass on complete packets */ -#define PORT_ISOPEN 0x0001 /* Port open? */ -#define PORT_HUPCL 0x0002 /* Hangup on close? */ -#define PORT_MOPENPEND 0x0004 /* Modem open pending */ -#define PORT_ISPARALLEL 0x0008 /* Parallel port */ -#define PORT_BREAK 0x0010 /* Port on break */ -#define PORT_STATUSPEND 0x0020 /* Status packet pending */ -#define PORT_BREAKPEND 0x0040 /* Break packet pending */ -#define PORT_MODEMPEND 0x0080 /* Modem status packet pending */ -#define PORT_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel - port */ -#define PORT_FULLMODEM 0x0200 /* Full modem signals */ -#define PORT_RJ45 0x0400 /* RJ45 connector - no RI signal */ -#define PORT_RESTRICTED 0x0600 /* Restricted connector - no RI / DTR */ +#define PORT_ISOPEN 0x0001 /* Port open? */ +#define PORT_HUPCL 0x0002 /* Hangup on close? */ +#define PORT_MOPENPEND 0x0004 /* Modem open pending */ +#define PORT_ISPARALLEL 0x0008 /* Parallel port */ +#define PORT_BREAK 0x0010 /* Port on break */ +#define PORT_STATUSPEND 0x0020 /* Status packet pending */ +#define PORT_BREAKPEND 0x0040 /* Break packet pending */ +#define PORT_MODEMPEND 0x0080 /* Modem status packet pending */ +#define PORT_PARALLELBUG 0x0100 /* CD1400 LF -> CR LF bug on parallel + port */ +#define PORT_FULLMODEM 0x0200 /* Full modem signals */ +#define PORT_RJ45 0x0400 /* RJ45 connector - no RI signal */ +#define PORT_RESTRICTED 0x0600 /* Restricted connector - no RI / DTR */ -#define PORT_MODEMBITS 0x0600 /* Mask for modem fields */ +#define PORT_MODEMBITS 0x0600 /* Mask for modem fields */ -#define PORT_WCLOSE 0x0800 /* Waiting for close */ +#define PORT_WCLOSE 0x0800 /* Waiting for close */ #define PORT_HANDSHAKEFIX 0x1000 /* Port has H/W flow control fix */ #define PORT_WASPCLOSED 0x2000 /* Port closed with PCLOSE */ #define DUMPMODE 0x4000 /* Dump RTA mem */ @@ -155,139 +155,128 @@ #define rx_end u4.s1.rx_end_ptr_ptr #define rx_remove u4.s1.rx_remove_ptr_ptr #endif -typedef struct PHB PHB ; +typedef struct PHB PHB; struct PHB { #ifdef RTA - ushort port; + ushort port; #endif #ifdef INKERNEL - WORD source; + WORD source; #else - union - { - ushort source; /* Complete source */ - struct - { - unsigned char unit; /* Source unit */ - unsigned char port; /* Source port */ - } s2; - } u2; + union { + ushort source; /* Complete source */ + struct { + unsigned char unit; /* Source unit */ + unsigned char port; /* Source port */ + } s2; + } u2; #endif - WORD handshake ; - WORD status ; - NUMBER timeout ; /* Maximum of 1.9 seconds */ - WORD link ; /* Send down this link */ + WORD handshake; + WORD status; + NUMBER timeout; /* Maximum of 1.9 seconds */ + WORD link; /* Send down this link */ #ifdef INKERNEL - WORD destination; + WORD destination; #else - union - { - ushort destination; /* Complete destination */ - struct - { - unsigned char unit; /* Destination unit */ - unsigned char port; /* Destination port */ - } s1; - } u1; + union { + ushort destination; /* Complete destination */ + struct { + unsigned char unit; /* Destination unit */ + unsigned char port; /* Destination port */ + } s1; + } u1; #endif #ifdef RTA - ushort tx_pkts_added; - ushort tx_pkts_removed; - Q_BUF_ptr tx_q_start ; /* Start of the Q list chain */ - short num_tx_q_bufs ; /* Number of Q buffers in the chain */ - PKT_ptr_ptr tx_add ; /* Add a new Packet here */ - Q_BUF_ptr tx_add_qb; /* Pointer to the add Q buf */ - PKT_ptr_ptr tx_add_st_qbb ; /* Pointer to start of the Q's buf */ - PKT_ptr_ptr tx_add_end_qbb ; /* Pointer to the end of the Q's buf */ - PKT_ptr_ptr tx_remove ; /* Remove a Packet here */ - Q_BUF_ptr tx_remove_qb ; /* Pointer to the remove Q buf */ - PKT_ptr_ptr tx_remove_st_qbb ; /* Pointer to the start of the Q buf */ - PKT_ptr_ptr tx_remove_end_qbb ; /* Pointer to the end of the Q buf */ + ushort tx_pkts_added; + ushort tx_pkts_removed; + Q_BUF_ptr tx_q_start; /* Start of the Q list chain */ + short num_tx_q_bufs; /* Number of Q buffers in the chain */ + PKT_ptr_ptr tx_add; /* Add a new Packet here */ + Q_BUF_ptr tx_add_qb; /* Pointer to the add Q buf */ + PKT_ptr_ptr tx_add_st_qbb; /* Pointer to start of the Q's buf */ + PKT_ptr_ptr tx_add_end_qbb; /* Pointer to the end of the Q's buf */ + PKT_ptr_ptr tx_remove; /* Remove a Packet here */ + Q_BUF_ptr tx_remove_qb; /* Pointer to the remove Q buf */ + PKT_ptr_ptr tx_remove_st_qbb; /* Pointer to the start of the Q buf */ + PKT_ptr_ptr tx_remove_end_qbb; /* Pointer to the end of the Q buf */ #endif #ifdef INKERNEL - PKT_ptr_ptr tx_start ; - PKT_ptr_ptr tx_end ; - PKT_ptr_ptr tx_add ; - PKT_ptr_ptr tx_remove ; + PKT_ptr_ptr tx_start; + PKT_ptr_ptr tx_end; + PKT_ptr_ptr tx_add; + PKT_ptr_ptr tx_remove; #endif #ifdef HOST - union - { - struct - { - PKT_ptr_ptr tx_start_ptr_ptr; - PKT_ptr_ptr tx_end_ptr_ptr; - PKT_ptr_ptr tx_add_ptr_ptr; - PKT_ptr_ptr tx_remove_ptr_ptr; - } s1; - struct - { - ushort * tx_start_ptr; - ushort * tx_end_ptr; - ushort * tx_add_ptr; - ushort * tx_remove_ptr; - } s2; - } u3; + union { + struct { + PKT_ptr_ptr tx_start_ptr_ptr; + PKT_ptr_ptr tx_end_ptr_ptr; + PKT_ptr_ptr tx_add_ptr_ptr; + PKT_ptr_ptr tx_remove_ptr_ptr; + } s1; + struct { + ushort *tx_start_ptr; + ushort *tx_end_ptr; + ushort *tx_add_ptr; + ushort *tx_remove_ptr; + } s2; + } u3; #endif #ifdef RTA - ushort rx_pkts_added; - ushort rx_pkts_removed; - Q_BUF_ptr rx_q_start ; /* Start of the Q list chain */ - short num_rx_q_bufs ; /* Number of Q buffers in the chain */ - PKT_ptr_ptr rx_add ; /* Add a new Packet here */ - Q_BUF_ptr rx_add_qb ; /* Pointer to the add Q buf */ - PKT_ptr_ptr rx_add_st_qbb ; /* Pointer to start of the Q's buf */ - PKT_ptr_ptr rx_add_end_qbb ; /* Pointer to the end of the Q's buf */ - PKT_ptr_ptr rx_remove ; /* Remove a Packet here */ - Q_BUF_ptr rx_remove_qb ; /* Pointer to the remove Q buf */ - PKT_ptr_ptr rx_remove_st_qbb ; /* Pointer to the start of the Q buf */ - PKT_ptr_ptr rx_remove_end_qbb ; /* Pointer to the end of the Q buf */ + ushort rx_pkts_added; + ushort rx_pkts_removed; + Q_BUF_ptr rx_q_start; /* Start of the Q list chain */ + short num_rx_q_bufs; /* Number of Q buffers in the chain */ + PKT_ptr_ptr rx_add; /* Add a new Packet here */ + Q_BUF_ptr rx_add_qb; /* Pointer to the add Q buf */ + PKT_ptr_ptr rx_add_st_qbb; /* Pointer to start of the Q's buf */ + PKT_ptr_ptr rx_add_end_qbb; /* Pointer to the end of the Q's buf */ + PKT_ptr_ptr rx_remove; /* Remove a Packet here */ + Q_BUF_ptr rx_remove_qb; /* Pointer to the remove Q buf */ + PKT_ptr_ptr rx_remove_st_qbb; /* Pointer to the start of the Q buf */ + PKT_ptr_ptr rx_remove_end_qbb; /* Pointer to the end of the Q buf */ #endif #ifdef INKERNEL - PKT_ptr_ptr rx_start ; - PKT_ptr_ptr rx_end ; - PKT_ptr_ptr rx_add ; - PKT_ptr_ptr rx_remove ; + PKT_ptr_ptr rx_start; + PKT_ptr_ptr rx_end; + PKT_ptr_ptr rx_add; + PKT_ptr_ptr rx_remove; #endif #ifdef HOST - union - { - struct - { - PKT_ptr_ptr rx_start_ptr_ptr; - PKT_ptr_ptr rx_end_ptr_ptr; - PKT_ptr_ptr rx_add_ptr_ptr; - PKT_ptr_ptr rx_remove_ptr_ptr; - } s1; - struct - { - ushort * rx_start_ptr; - ushort * rx_end_ptr; - ushort * rx_add_ptr; - ushort * rx_remove_ptr; - } s2; - } u4; + union { + struct { + PKT_ptr_ptr rx_start_ptr_ptr; + PKT_ptr_ptr rx_end_ptr_ptr; + PKT_ptr_ptr rx_add_ptr_ptr; + PKT_ptr_ptr rx_remove_ptr_ptr; + } s1; + struct { + ushort *rx_start_ptr; + ushort *rx_end_ptr; + ushort *rx_add_ptr; + ushort *rx_remove_ptr; + } s2; + } u4; #endif -#ifdef RTA /* some fields for the remotes */ - ushort flush_count; /* Count of write flushes */ - ushort txmode; /* Modes for tx */ - ushort rxmode; /* Modes for rx */ - ushort portmode; /* Generic modes */ - ushort column; /* TAB3 column count */ - ushort tx_subscript; /* (TX) Subscript into data field */ - ushort rx_subscript; /* (RX) Subscript into data field */ - PKT_ptr rx_incomplete; /* Hold an incomplete packet here */ - ushort modem_bits; /* Modem bits to mask */ - ushort lastModem; /* Modem control lines. */ - ushort addr; /* Address for sub commands */ - ushort MonitorTstate; /* TRUE if monitoring tstop */ +#ifdef RTA /* some fields for the remotes */ + ushort flush_count; /* Count of write flushes */ + ushort txmode; /* Modes for tx */ + ushort rxmode; /* Modes for rx */ + ushort portmode; /* Generic modes */ + ushort column; /* TAB3 column count */ + ushort tx_subscript; /* (TX) Subscript into data field */ + ushort rx_subscript; /* (RX) Subscript into data field */ + PKT_ptr rx_incomplete; /* Hold an incomplete packet here */ + ushort modem_bits; /* Modem bits to mask */ + ushort lastModem; /* Modem control lines. */ + ushort addr; /* Address for sub commands */ + ushort MonitorTstate; /* TRUE if monitoring tstop */ #endif - } ; +}; #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/pkt.h b/drivers/char/rio/pkt.h index 66bb2ff0f69..882fd429ac2 100644 --- a/drivers/char/rio/pkt.h +++ b/drivers/char/rio/pkt.h @@ -69,52 +69,44 @@ #define CONTROL_PKT_TTL_MASK (PKT_TTL_MASK << 8) #define CONTROL_DATA_WNDW (DATA_WNDW << 8) -struct PKT { +struct PKT { #ifdef INKERNEL - BYTE dest_unit ; /* Destination Unit Id */ - BYTE dest_port ; /* Destination POrt */ - BYTE src_unit ; /* Source Unit Id */ - BYTE src_port ; /* Source POrt */ + BYTE dest_unit; /* Destination Unit Id */ + BYTE dest_port; /* Destination POrt */ + BYTE src_unit; /* Source Unit Id */ + BYTE src_port; /* Source POrt */ #else - union - { - ushort destination; /* Complete destination */ - struct - { - unsigned char unit; /* Destination unit */ - unsigned char port; /* Destination port */ - } s1; - } u1; - union - { - ushort source; /* Complete source */ - struct - { - unsigned char unit; /* Source unit */ - unsigned char port; /* Source port */ - } s2; - } u2; + union { + ushort destination; /* Complete destination */ + struct { + unsigned char unit; /* Destination unit */ + unsigned char port; /* Destination port */ + } s1; + } u1; + union { + ushort source; /* Complete source */ + struct { + unsigned char unit; /* Source unit */ + unsigned char port; /* Source port */ + } s2; + } u2; #endif #ifdef INKERNEL - BYTE len ; - BYTE control; + BYTE len; + BYTE control; #else - union - { - ushort control; - struct - { - unsigned char len; - unsigned char control; - } s3; - } u3; + union { + ushort control; + struct { + unsigned char len; + unsigned char control; + } s3; + } u3; #endif - BYTE data[PKT_MAX_DATA_LEN] ; - /* Actual data :-) */ - WORD csum ; /* C-SUM */ - } ; + BYTE data[PKT_MAX_DATA_LEN]; + /* Actual data :-) */ + WORD csum; /* C-SUM */ +}; #endif /*********** end of file ***********/ - - diff --git a/drivers/char/rio/poll.h b/drivers/char/rio/poll.h deleted file mode 100644 index d9b8e983e17..00000000000 --- a/drivers/char/rio/poll.h +++ /dev/null @@ -1,76 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* P O L L - ******* ******* - **************************************************************************** - - Author : Ian Nandhra / Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef _poll_h -#define _poll_h - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_poll_h_sccs = "@(#)poll.h 1.2" ; -#endif -#endif - - -#ifdef HOST -#define POLL_STACK 100 -#endif -#ifdef RTA -#define POLL_STACK 200 -#endif - -#define POLL_PERIOD (int) SECOND - -/* The various poll commands */ -#define POLL_POLL 0 /* We are connected and happy.. */ -#define POLL_INTRO 1 /* Introduction packet */ -#define POLL_TOPOLOGY 2 /* Topology update */ -#define POLL_ASSIGN 3 /* ID assign */ -#define POLL_FOAD 4 /* F*** Off And Die */ -#define POLL_LMD 5 /* Let Me Die */ -#define POLL_DYB 6 /* Die You Ba***** */ - -/* The way data fields are split up for POLL packets */ -#define POLL_HOST_SERIAL 2 /* Host who booted me */ -#define POLL_MY_SERIAL 6 /* My serial number */ -#define POLL_YOUR_ID 1 /* Your ID number */ -#define POLL_TOPOLOGY_FIELDS 2 /* Topology maps */ - -#endif - -/*********** end of file ***********/ - - - diff --git a/drivers/char/rio/port.h b/drivers/char/rio/port.h index 8506af06aa9..c99b1e70fdc 100644 --- a/drivers/char/rio/port.h +++ b/drivers/char/rio/port.h @@ -46,96 +46,94 @@ static char *_port_h_sccs_ = "@(#)port.h 1.3"; */ #ifdef STATS -struct RIOStats -{ +struct RIOStats { /* - ** interrupt statistics - */ - uint BreakIntCnt; - uint ModemOffCnt; - uint ModemOnCnt; - uint RxIntCnt; - uint TxIntCnt; + ** interrupt statistics + */ + uint BreakIntCnt; + uint ModemOffCnt; + uint ModemOnCnt; + uint RxIntCnt; + uint TxIntCnt; /* - ** throughput statistics - */ - uint RxCharCnt; - uint RxPktCnt; - uint RxSaveCnt; - uint TxCharCnt; - uint TxPktCnt; + ** throughput statistics + */ + uint RxCharCnt; + uint RxPktCnt; + uint RxSaveCnt; + uint TxCharCnt; + uint TxPktCnt; /* - ** driver entry statistics - */ - uint CloseCnt; - uint IoctlCnt; - uint OpenCnt; - uint ReadCnt; - uint WriteCnt; + ** driver entry statistics + */ + uint CloseCnt; + uint IoctlCnt; + uint OpenCnt; + uint ReadCnt; + uint WriteCnt; /* - ** proc statistics - */ - uint BlockCnt; - uint OutputCnt; - uint ResumeCnt; - uint RflushCnt; - uint SuspendCnt; - uint TbreakCnt; - uint TimeoutCnt; - uint UnblockCnt; - uint WflushCnt; - uint WFBodgeCnt; + ** proc statistics + */ + uint BlockCnt; + uint OutputCnt; + uint ResumeCnt; + uint RflushCnt; + uint SuspendCnt; + uint TbreakCnt; + uint TimeoutCnt; + uint UnblockCnt; + uint WflushCnt; + uint WFBodgeCnt; }; #endif /* ** Port data structure */ -struct Port -{ - struct gs_port gs; - int PortNum; /* RIO port no., 0-511 */ - struct Host *HostP; - volatile caddr_t Caddr; - ushort HostPort; /* Port number on host card */ - uchar RupNum; /* Number of RUP for port */ - uchar ID2; /* Second ID of RTA for port */ - ulong State; /* FLAGS for open & xopen */ -#define RIO_LOPEN 0x00001 /* Local open */ -#define RIO_MOPEN 0x00002 /* Modem open */ -#define RIO_WOPEN 0x00004 /* Waiting for open */ -#define RIO_CLOSING 0x00008 /* The port is being close */ -#define RIO_XPBUSY 0x00010 /* Transparent printer busy */ -#define RIO_BREAKING 0x00020 /* Break in progress */ -#define RIO_DIRECT 0x00040 /* Doing Direct output */ -#define RIO_EXCLUSIVE 0x00080 /* Stream open for exclusive use */ -#define RIO_NDELAY 0x00100 /* Stream is open FNDELAY */ -#define RIO_CARR_ON 0x00200 /* Stream has carrier present */ -#define RIO_XPWANTR 0x00400 /* Stream wanted by Xprint */ -#define RIO_RBLK 0x00800 /* Stream is read-blocked */ -#define RIO_BUSY 0x01000 /* Stream is BUSY for write */ -#define RIO_TIMEOUT 0x02000 /* Stream timeout in progress */ -#define RIO_TXSTOP 0x04000 /* Stream output is stopped */ -#define RIO_WAITFLUSH 0x08000 /* Stream waiting for flush */ -#define RIO_DYNOROD 0x10000 /* Drain failed */ -#define RIO_DELETED 0x20000 /* RTA has been deleted */ -#define RIO_ISSCANCODE 0x40000 /* This line is in scancode mode */ +struct Port { + struct gs_port gs; + int PortNum; /* RIO port no., 0-511 */ + struct Host *HostP; + volatile caddr_t Caddr; + ushort HostPort; /* Port number on host card */ + uchar RupNum; /* Number of RUP for port */ + uchar ID2; /* Second ID of RTA for port */ + ulong State; /* FLAGS for open & xopen */ +#define RIO_LOPEN 0x00001 /* Local open */ +#define RIO_MOPEN 0x00002 /* Modem open */ +#define RIO_WOPEN 0x00004 /* Waiting for open */ +#define RIO_CLOSING 0x00008 /* The port is being close */ +#define RIO_XPBUSY 0x00010 /* Transparent printer busy */ +#define RIO_BREAKING 0x00020 /* Break in progress */ +#define RIO_DIRECT 0x00040 /* Doing Direct output */ +#define RIO_EXCLUSIVE 0x00080 /* Stream open for exclusive use */ +#define RIO_NDELAY 0x00100 /* Stream is open FNDELAY */ +#define RIO_CARR_ON 0x00200 /* Stream has carrier present */ +#define RIO_XPWANTR 0x00400 /* Stream wanted by Xprint */ +#define RIO_RBLK 0x00800 /* Stream is read-blocked */ +#define RIO_BUSY 0x01000 /* Stream is BUSY for write */ +#define RIO_TIMEOUT 0x02000 /* Stream timeout in progress */ +#define RIO_TXSTOP 0x04000 /* Stream output is stopped */ +#define RIO_WAITFLUSH 0x08000 /* Stream waiting for flush */ +#define RIO_DYNOROD 0x10000 /* Drain failed */ +#define RIO_DELETED 0x20000 /* RTA has been deleted */ +#define RIO_ISSCANCODE 0x40000 /* This line is in scancode mode */ #define RIO_USING_EUC 0x100000 /* Using extended Unix chars */ #define RIO_CAN_COOK 0x200000 /* This line can do cooking */ -#define RIO_TRIAD_MODE 0x400000 /* Enable TRIAD special ops. */ -#define RIO_TRIAD_BLOCK 0x800000 /* Next read will block */ -#define RIO_TRIAD_FUNC 0x1000000 /* Seen a function key coming in */ -#define RIO_THROTTLE_RX 0x2000000 /* RX needs to be throttled. */ +#define RIO_TRIAD_MODE 0x400000 /* Enable TRIAD special ops. */ +#define RIO_TRIAD_BLOCK 0x800000 /* Next read will block */ +#define RIO_TRIAD_FUNC 0x1000000 /* Seen a function key coming in */ +#define RIO_THROTTLE_RX 0x2000000 /* RX needs to be throttled. */ - ulong Config; /* FLAGS for NOREAD.... */ -#define RIO_NOREAD 0x0001 /* Are not allowed to read port */ -#define RIO_NOWRITE 0x0002 /* Are not allowed to write port */ -#define RIO_NOXPRINT 0x0004 /* Are not allowed to xprint port */ -#define RIO_NOMASK 0x0007 /* All not allowed things */ -#define RIO_IXANY 0x0008 /* Port is allowed ixany */ -#define RIO_MODEM 0x0010 /* Stream is a modem device */ -#define RIO_IXON 0x0020 /* Port is allowed ixon */ -#define RIO_WAITDRAIN 0x0040 /* Wait for port to completely drain */ + ulong Config; /* FLAGS for NOREAD.... */ +#define RIO_NOREAD 0x0001 /* Are not allowed to read port */ +#define RIO_NOWRITE 0x0002 /* Are not allowed to write port */ +#define RIO_NOXPRINT 0x0004 /* Are not allowed to xprint port */ +#define RIO_NOMASK 0x0007 /* All not allowed things */ +#define RIO_IXANY 0x0008 /* Port is allowed ixany */ +#define RIO_MODEM 0x0010 /* Stream is a modem device */ +#define RIO_IXON 0x0020 /* Port is allowed ixon */ +#define RIO_WAITDRAIN 0x0040 /* Wait for port to completely drain */ #define RIO_MAP_50_TO_50 0x0080 /* Map 50 baud to 50 baud */ #define RIO_MAP_110_TO_110 0x0100 /* Map 110 baud to 110 baud */ @@ -144,92 +142,90 @@ struct Port ** As LynxOS does not appear to support Hardware Flow Control ..... ** Define our own flow control flags in 'Config'. */ -#define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */ -#define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */ +#define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */ +#define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */ - struct PHB *PhbP; /* pointer to PHB for port */ - WORD *TxAdd; /* Add packets here */ - WORD *TxStart; /* Start of add array */ - WORD *TxEnd; /* End of add array */ - WORD *RxRemove; /* Remove packets here */ - WORD *RxStart; /* Start of remove array */ - WORD *RxEnd; /* End of remove array */ - uint RtaUniqueNum; /* Unique number of RTA */ - ushort PortState; /* status of port */ - ushort ModemState; /* status of modem lines */ - ulong ModemLines; /* Modem bits sent to RTA */ - uchar CookMode; /* who expands CR/LF? */ - uchar ParamSem; /* Prevent write during param */ - uchar Mapped; /* if port mapped onto host */ - uchar SecondBlock; /* if port belongs to 2nd block - of 16 port RTA */ - uchar InUse; /* how many pre-emptive cmds */ - uchar Lock; /* if params locked */ - uchar Store; /* if params stored across closes */ - uchar FirstOpen; /* TRUE if first time port opened */ - uchar FlushCmdBodge; /* if doing a (non)flush */ - uchar MagicFlags; /* require intr processing */ + struct PHB *PhbP; /* pointer to PHB for port */ + WORD *TxAdd; /* Add packets here */ + WORD *TxStart; /* Start of add array */ + WORD *TxEnd; /* End of add array */ + WORD *RxRemove; /* Remove packets here */ + WORD *RxStart; /* Start of remove array */ + WORD *RxEnd; /* End of remove array */ + uint RtaUniqueNum; /* Unique number of RTA */ + ushort PortState; /* status of port */ + ushort ModemState; /* status of modem lines */ + ulong ModemLines; /* Modem bits sent to RTA */ + uchar CookMode; /* who expands CR/LF? */ + uchar ParamSem; /* Prevent write during param */ + uchar Mapped; /* if port mapped onto host */ + uchar SecondBlock; /* if port belongs to 2nd block + of 16 port RTA */ + uchar InUse; /* how many pre-emptive cmds */ + uchar Lock; /* if params locked */ + uchar Store; /* if params stored across closes */ + uchar FirstOpen; /* TRUE if first time port opened */ + uchar FlushCmdBodge; /* if doing a (non)flush */ + uchar MagicFlags; /* require intr processing */ #define MAGIC_FLUSH 0x01 /* mirror of WflushFlag */ #define MAGIC_REBOOT 0x02 /* RTA re-booted, re-open ports */ #define MORE_OUTPUT_EYGOR 0x04 /* riotproc failed to empty clists */ - uchar WflushFlag; /* 1 How many WFLUSHs active */ + uchar WflushFlag; /* 1 How many WFLUSHs active */ /* ** Transparent print stuff */ - struct Xprint - { + struct Xprint { #ifndef MAX_XP_CTRL_LEN -#define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */ +#define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */ #endif - uint XpCps; - char XpOn[MAX_XP_CTRL_LEN]; - char XpOff[MAX_XP_CTRL_LEN]; - ushort XpLen; /* strlen(XpOn)+strlen(XpOff) */ - uchar XpActive; - uchar XpLastTickOk; /* TRUE if we can process */ + uint XpCps; + char XpOn[MAX_XP_CTRL_LEN]; + char XpOff[MAX_XP_CTRL_LEN]; + ushort XpLen; /* strlen(XpOn)+strlen(XpOff) */ + uchar XpActive; + uchar XpLastTickOk; /* TRUE if we can process */ #define XP_OPEN 00001 #define XP_RUNABLE 00002 - struct ttystatics *XttyP; - } Xprint; + struct ttystatics *XttyP; + } Xprint; #ifdef VPIX - v86_t *StashP; - uint IntMask; - struct termss VpixSs; - uchar ModemStatusReg; /* Modem status register */ + v86_t *StashP; + uint IntMask; + struct termss VpixSs; + uchar ModemStatusReg; /* Modem status register */ #endif - uchar RxDataStart; - uchar Cor2Copy; /* copy of COR2 */ - char *Name; /* points to the Rta's name */ + uchar RxDataStart; + uchar Cor2Copy; /* copy of COR2 */ + char *Name; /* points to the Rta's name */ #ifdef STATS - struct RIOStats Stat; /* ports statistics */ + struct RIOStats Stat; /* ports statistics */ #endif - char *TxRingBuffer; - ushort TxBufferIn; /* New data arrives here */ - ushort TxBufferOut; /* Intr removes data here */ - ushort OldTxBufferOut; /* Indicates if draining */ - int TimeoutId; /* Timeout ID */ - uint Debug; - uchar WaitUntilBooted; /* True if open should block */ - uint statsGather; /* True if gathering stats */ - ulong txchars; /* Chars transmitted */ - ulong rxchars; /* Chars received */ - ulong opens; /* port open count */ - ulong closes; /* port close count */ - ulong ioctls; /* ioctl count */ - uchar LastRxTgl; /* Last state of rx toggle bit */ - spinlock_t portSem; /* Lock using this sem */ - int MonitorTstate; /* Monitoring ? */ - int timeout_id; /* For calling 100 ms delays */ - int timeout_sem;/* For calling 100 ms delays */ - int firstOpen; /* First time open ? */ - char * p; /* save the global struc here .. */ + char *TxRingBuffer; + ushort TxBufferIn; /* New data arrives here */ + ushort TxBufferOut; /* Intr removes data here */ + ushort OldTxBufferOut; /* Indicates if draining */ + int TimeoutId; /* Timeout ID */ + uint Debug; + uchar WaitUntilBooted; /* True if open should block */ + uint statsGather; /* True if gathering stats */ + ulong txchars; /* Chars transmitted */ + ulong rxchars; /* Chars received */ + ulong opens; /* port open count */ + ulong closes; /* port close count */ + ulong ioctls; /* ioctl count */ + uchar LastRxTgl; /* Last state of rx toggle bit */ + spinlock_t portSem; /* Lock using this sem */ + int MonitorTstate; /* Monitoring ? */ + int timeout_id; /* For calling 100 ms delays */ + int timeout_sem; /* For calling 100 ms delays */ + int firstOpen; /* First time open ? */ + char *p; /* save the global struc here .. */ }; -struct ModuleInfo -{ - char *Name; - uint Flags[4]; /* one per port on a module */ +struct ModuleInfo { + char *Name; + uint Flags[4]; /* one per port on a module */ }; #endif @@ -238,8 +234,8 @@ struct ModuleInfo ** runs into problems with differing struct sizes between driver and config. */ struct PortParams { - uint Port; - ulong Config; - ulong State; - struct ttystatics *TtyP; + uint Port; + ulong Config; + ulong State; + struct ttystatics *TtyP; }; diff --git a/drivers/char/rio/proto.h b/drivers/char/rio/proto.h deleted file mode 100644 index ddff0ef84e3..00000000000 --- a/drivers/char/rio/proto.h +++ /dev/null @@ -1,244 +0,0 @@ -/* - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#ifndef _prototypes_h -#define _prototypes_h - - -/* -** boot.c -*/ -void init_boot( char *p, short stage); - -/* -** disconct.c -*/ -void kill_boot ( LPB *link ); -void disconnected( LPB *link ); -short boot_3( LPB *link, PKT *pkt ); -short send_3_pkt( LPB *link, PKT *pkt); - -/* -** error.c -*/ -void du_error(void); - -/* -** formpkt.c -*/ -ushort sum_it( PKT *pkt ) ; -void form_rup_pkt( RUP *form_rup, PKT *pkt ); -void form_poll_pkt ( int type, LPB *link, int node ); -void form_route_pkt ( int type, PKT *pkt, LPB *link ); - -/* -** idle.c -*/ -void idle( Process *idle_p ); - -/* -** init.c -*/ -void general_init(void); -void mem_halt( int error); - -/* -** linkinit.c -*/ -void initlink( u_short number, LPB *link); -void runlink( LPB *link); - -/* -** list.c -*/ -PKT *get_free_start(void); -void put_free_start( PKT *pkt); - -#ifdef HOST -int can_remove_transmit ( PKT **pkt, PKT *pointer ); -#endif - -#ifdef RTA -int spl7 ( void ); -int spl0 ( void ); -Q_BUF *get_free_q( void ); -PKT *get_free_end(void); -int add_end( PKT *pkt, PHB *phb, int type); -unsigned short free_packets( PHB *phb, int type); -int can_remove_start( PKT **pkt, PHB *phb, int type); -int can_add_start( PHB *phb, int type); -int can_add_end( PHB *phb, int type); -void put_free_end( PKT *pkt); -int remove_start( PKT **pkt, PHB *phb, int type); -#endif - -/* -** Lrt.c -*/ -void lrt( Process *lrt_p, LPB *link ); - -#ifdef RTA -void set_led_red ( LPB *link ); -#endif - -/* -** ltt.c -*/ -void ltt( Process *ltt_p, LPB *link, PHB *phb_ptr[] ); -void send_poll ( LPB *link ); -void request_id ( LPB *link ); -void send_topology_update ( LPB *link ); -void send_topology ( LPB *link ); -void supply_id ( LPB *link ); - -#ifdef RTA -void redirect_queue ( LPB *link, ushort flush ); -int obtain_rup ( int rup_number, PKT **pkt_address, LPB *link ); -#endif - -#ifdef TESTING_PERF -int consume_cpu( void ); -#endif - -/* -** lttwake.c -*/ -#ifdef HOST -void ltt_wakeup( Process *ltt_wakeup_p ); -#endif - -/* -** mapgen.c -*/ -void generate_id_map( short mapping, ROUTE_STR route[] ); -void gen_map( int mapping, int looking_at, int come_from, ROUTE_STR route[], int link, int *ttl ); -void adjust_ttl( int mapping, int looking_at, int come_from, ROUTE_STR route[], int link, int *ttl); -void init_sys_map(void); - -/* -** mmu.c -*/ -char *rio_malloc( unsigned int amount); -char *rio_calloc( unsigned int num, unsigned int size); -ERROR rio_mmu_init( uint total_mem ); - -/* -** partn.c -*/ -void partition_tx( struct PHB *phb, u_short tx_size, u_short rx_size, u_short rx_limit); - -/* -** poll.c -*/ -void tx_poll( Process *tx_poll_p); - -/* -** process.c -*/ -int get_proc_space( Process **pd, int **pws, int wssize); - -/* -** readrom.c -*/ -void read_serial_number(char *buf); - -/* -** rio.c -*/ -int main( void ); - -/* -** route.c -*/ -void route_update ( PKT *pkt, LPB *link); - -/* -** rtainit.c -*/ -#if defined(RTA) -void rta_init(ushort RtaType); -#endif /* defined(RTA) */ - -/* -** rupboot.c -*/ -void rup_boot( PKT *pkt, RUP *this_rup, LPB *link); - -#ifdef RTA -void kill_your_neighbour( int link_to_kill ); -#endif - -/* -** rupcmd.c -*/ -void rup_command( PKT *pkt, struct RUP *this_rup, LPB *link); - -/* -** ruperr.c -*/ -void rup_error( PKT *pkt, RUP *this_rup, LPB *link ); -void illegal_cmd( PKT *src_pkt ); - -/* -** ruppoll.c -*/ -void rup_poll( PKT *pkt, RUP *this_rup, LPB *link ); - -/* -** ruppower.c -*/ -void rup_power( PKT *pkt, RUP *this_rup, LPB *link ); - -/* -** ruprm.c -*/ -void rup_route_map( PKT *pkt, RUP *this_rup, LPB *link); - -/* -** rupstat.c -*/ -void rup_status( PKT *pkt, RUP *this_rup, LPB *link); - -/* -** rupsync.c -*/ -void rup_sync( PKT *pkt); - -/* -** rxpkt.c -*/ -ERROR rx_pkt( PKT_ptr_ptr pkt_address, LPB *link); - -/* -** sendsts.c -*/ -void send_status( PKT *requesting_pkt, RUP *this_rup); - -/* -** serial.c -*/ -void assign_serial ( char *ser_in, char *ser_out); -int cmp_serial ( char *ser_1, char *ser_2); - -/* -** txpkt.c -*/ -ERROR tx_pkt( PKT *pkt, LPB *link); -short send_sync( LPB *link); - -#endif /* _prototypes_h */ diff --git a/drivers/char/rio/protsts.h b/drivers/char/rio/protsts.h index 848111ac938..69fc4bc3415 100644 --- a/drivers/char/rio/protsts.h +++ b/drivers/char/rio/protsts.h @@ -115,5 +115,3 @@ #endif /*********** end of file ***********/ - - diff --git a/drivers/char/rio/qbuf.h b/drivers/char/rio/qbuf.h index 1fce02f8fcf..acd9e8e5307 100644 --- a/drivers/char/rio/qbuf.h +++ b/drivers/char/rio/qbuf.h @@ -40,7 +40,7 @@ #ifndef lint #ifdef SCCS_LABELS -static char *_rio_qbuf_h_sccs = "@(#)qbuf.h 1.1" ; +static char *_rio_qbuf_h_sccs = "@(#)qbuf.h 1.1"; #endif #endif @@ -52,16 +52,15 @@ static char *_rio_qbuf_h_sccs = "@(#)qbuf.h 1.1" ; #define PKTS_PER_BUFFER (220 / PKT_LENGTH) #endif -typedef struct Q_BUF Q_BUF ; -struct Q_BUF { - Q_BUF_ptr next ; - Q_BUF_ptr prev ; - PKT_ptr buf[PKTS_PER_BUFFER] ; - } ; +typedef struct Q_BUF Q_BUF; +struct Q_BUF { + Q_BUF_ptr next; + Q_BUF_ptr prev; + PKT_ptr buf[PKTS_PER_BUFFER]; +}; #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/rio.h b/drivers/char/rio/rio.h index 13a9931958b..7f45e1ab533 100644 --- a/drivers/char/rio/rio.h +++ b/drivers/char/rio/rio.h @@ -72,8 +72,8 @@ static char *_rio_h_sccs_ = "@(#)rio.h 1.3"; #define RIO_HOSTS 4 /* number of hosts that can be found */ #define PORTS_PER_HOST 128 /* number of ports per host */ #define LINKS_PER_UNIT 4 /* number of links from a host */ -#define RIO_PORTS (PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */ -#define RTAS_PER_HOST (MAX_RUP) /* number of RTAs per host */ +#define RIO_PORTS (PORTS_PER_HOST * RIO_HOSTS) /* max. no. of ports */ +#define RTAS_PER_HOST (MAX_RUP) /* number of RTAs per host */ #define PORTS_PER_RTA (PORTS_PER_HOST/RTAS_PER_HOST) /* ports on a rta */ #define PORTS_PER_MODULE 4 /* number of ports on a plug-in module */ /* number of modules on an RTA */ @@ -216,10 +216,9 @@ static char *_rio_h_sccs_ = "@(#)rio.h 1.3"; #define RIO_PRI (PZERO+10) #define RIO_CLOSE_PRI PZERO-1 /* uninterruptible sleeps for close */ -typedef struct DbInf -{ - uint Flag; - char Name[8]; +typedef struct DbInf { + uint Flag; + char Name[8]; } DbInf; #ifndef TRUE @@ -251,7 +250,7 @@ typedef struct DbInf *((uint *)PK) = PP->PacketInfo; \ } -#define RIO_LINK_ENABLE 0x80FF /* FF is a hack, mainly for Mips, to */ +#define RIO_LINK_ENABLE 0x80FF /* FF is a hack, mainly for Mips, to */ /* prevent a really stupid race condition. */ #define NOT_INITIALISED 0 @@ -291,4 +290,4 @@ typedef struct DbInf #define DIST_LINESW_OUTPUT 0x40 #define DIST_LINESW_MDMINT 0x80 -#endif /* __rio_h__ */ +#endif /* __rio_h__ */ diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c index d7d484024e2..c9af283a811 100644 --- a/drivers/char/rio/rio_linux.c +++ b/drivers/char/rio/rio_linux.c @@ -33,7 +33,7 @@ * */ #include <linux/module.h> -#include <linux/config.h> +#include <linux/config.h> #include <linux/kdev_t.h> #include <asm/io.h> #include <linux/kernel.h> @@ -56,10 +56,6 @@ #include <linux/generic_serial.h> #include <asm/uaccess.h> -#if BITS_PER_LONG != 32 -# error FIXME: this driver only works on 32-bit platforms -#endif - #include "linux_compat.h" #include "typdef.h" #include "pkt.h" @@ -116,7 +112,7 @@ more than 512 ports.... */ #define PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8 0x2000 #endif -#ifndef RIO_WINDOW_LEN +#ifndef RIO_WINDOW_LEN #define RIO_WINDOW_LEN 0x10000 #endif @@ -136,42 +132,49 @@ more than 512 ports.... */ */ #define IRQ_RATE_LIMIT 200 -#if 0 -/* Not implemented */ -/* - * The following defines are mostly for testing purposes. But if you need - * some nice reporting in your syslog, you can define them also. - */ -#define RIO_REPORT_FIFO -#define RIO_REPORT_OVERRUN -#endif - /* These constants are derived from SCO Source */ static struct Conf -RIOConf = -{ - /* locator */ "RIO Config here", - /* startuptime */ HZ*2, /* how long to wait for card to run */ - /* slowcook */ 0, /* TRUE -> always use line disc. */ - /* intrpolltime */ 1, /* The frequency of OUR polls */ - /* breakinterval */ 25, /* x10 mS XXX: units seem to be 1ms not 10! -- REW*/ - /* timer */ 10, /* mS */ - /* RtaLoadBase */ 0x7000, - /* HostLoadBase */ 0x7C00, - /* XpHz */ 5, /* number of Xprint hits per second */ - /* XpCps */ 120, /* Xprint characters per second */ - /* XpOn */ "\033d#", /* start Xprint for a wyse 60 */ - /* XpOff */ "\024", /* end Xprint for a wyse 60 */ - /* MaxXpCps */ 2000, /* highest Xprint speed */ - /* MinXpCps */ 10, /* slowest Xprint speed */ - /* SpinCmds */ 1, /* non-zero for mega fast boots */ - /* First Addr */ 0x0A0000, /* First address to look at */ - /* Last Addr */ 0xFF0000, /* Last address looked at */ - /* BufferSize */ 1024, /* Bytes per port of buffering */ - /* LowWater */ 256, /* how much data left before wakeup */ - /* LineLength */ 80, /* how wide is the console? */ - /* CmdTimeout */ HZ, /* how long a close command may take */ + RIOConf = { + /* locator */ "RIO Config here", + /* startuptime */ HZ * 2, + /* how long to wait for card to run */ + /* slowcook */ 0, + /* TRUE -> always use line disc. */ + /* intrpolltime */ 1, + /* The frequency of OUR polls */ + /* breakinterval */ 25, + /* x10 mS XXX: units seem to be 1ms not 10! -- REW */ + /* timer */ 10, + /* mS */ + /* RtaLoadBase */ 0x7000, + /* HostLoadBase */ 0x7C00, + /* XpHz */ 5, + /* number of Xprint hits per second */ + /* XpCps */ 120, + /* Xprint characters per second */ + /* XpOn */ "\033d#", + /* start Xprint for a wyse 60 */ + /* XpOff */ "\024", + /* end Xprint for a wyse 60 */ + /* MaxXpCps */ 2000, + /* highest Xprint speed */ + /* MinXpCps */ 10, + /* slowest Xprint speed */ + /* SpinCmds */ 1, + /* non-zero for mega fast boots */ + /* First Addr */ 0x0A0000, + /* First address to look at */ + /* Last Addr */ 0xFF0000, + /* Last address looked at */ + /* BufferSize */ 1024, + /* Bytes per port of buffering */ + /* LowWater */ 256, + /* how much data left before wakeup */ + /* LineLength */ 80, + /* how wide is the console? */ + /* CmdTimeout */ HZ, + /* how long a close command may take */ }; @@ -179,21 +182,20 @@ RIOConf = /* Function prototypes */ -static void rio_disable_tx_interrupts (void * ptr); -static void rio_enable_tx_interrupts (void * ptr); -static void rio_disable_rx_interrupts (void * ptr); -static void rio_enable_rx_interrupts (void * ptr); -static int rio_get_CD (void * ptr); -static void rio_shutdown_port (void * ptr); -static int rio_set_real_termios (void *ptr); -static void rio_hungup (void *ptr); -static void rio_close (void *ptr); -static int rio_chars_in_buffer (void * ptr); -static int rio_fw_ioctl (struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +static void rio_disable_tx_interrupts(void *ptr); +static void rio_enable_tx_interrupts(void *ptr); +static void rio_disable_rx_interrupts(void *ptr); +static void rio_enable_rx_interrupts(void *ptr); +static int rio_get_CD(void *ptr); +static void rio_shutdown_port(void *ptr); +static int rio_set_real_termios(void *ptr); +static void rio_hungup(void *ptr); +static void rio_close(void *ptr); +static int rio_chars_in_buffer(void *ptr); +static int rio_fw_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); static int rio_init_drivers(void); -static void my_hd (void *addr, int len); +static void my_hd(void *addr, int len); static struct tty_driver *rio_driver, *rio_driver2; @@ -213,9 +215,9 @@ static int rio_poll = 1; /* These are the only open spaces in my computer. Yours may have more or less.... */ -static int rio_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000}; +static int rio_probe_addrs[] = { 0xc0000, 0xd0000, 0xe0000 }; -#define NR_RIO_ADDRS (sizeof(rio_probe_addrs)/sizeof (int)) +#define NR_RIO_ADDRS ARRAY_SIZE(rio_probe_addrs) /* Set the mask to all-ones. This alas, only supports 32 interrupts. @@ -231,17 +233,17 @@ module_param(rio_debug, int, 0644); module_param(rio_irqmask, long, 0); static struct real_driver rio_real_driver = { - rio_disable_tx_interrupts, - rio_enable_tx_interrupts, - rio_disable_rx_interrupts, - rio_enable_rx_interrupts, - rio_get_CD, - rio_shutdown_port, - rio_set_real_termios, - rio_chars_in_buffer, - rio_close, - rio_hungup, - NULL + rio_disable_tx_interrupts, + rio_enable_tx_interrupts, + rio_disable_rx_interrupts, + rio_enable_rx_interrupts, + rio_get_CD, + rio_shutdown_port, + rio_set_real_termios, + rio_chars_in_buffer, + rio_close, + rio_hungup, + NULL }; /* @@ -250,8 +252,8 @@ static struct real_driver rio_real_driver = { */ static struct file_operations rio_fw_fops = { - .owner = THIS_MODULE, - .ioctl = rio_fw_ioctl, + .owner = THIS_MODULE, + .ioctl = rio_fw_ioctl, }; static struct miscdevice rio_fw_device = { @@ -266,25 +268,22 @@ static struct miscdevice rio_fw_device = { /* This doesn't work. Who's paranoid around here? Not me! */ -static inline int rio_paranoia_check(struct rio_port const * port, - char *name, const char *routine) +static inline int rio_paranoia_check(struct rio_port const *port, char *name, const char *routine) { - static const char *badmagic = - KERN_ERR "rio: Warning: bad rio port magic number for device %s in %s\n"; - static const char *badinfo = - KERN_ERR "rio: Warning: null rio port for device %s in %s\n"; - - if (!port) { - printk (badinfo, name, routine); - return 1; - } - if (port->magic != RIO_MAGIC) { - printk (badmagic, name, routine); - return 1; - } - - return 0; + static const char *badmagic = KERN_ERR "rio: Warning: bad rio port magic number for device %s in %s\n"; + static const char *badinfo = KERN_ERR "rio: Warning: null rio port for device %s in %s\n"; + + if (!port) { + printk(badinfo, name, routine); + return 1; + } + if (port->magic != RIO_MAGIC) { + printk(badmagic, name, routine); + return 1; + } + + return 0; } #else #define rio_paranoia_check(a,b,c) 0 @@ -292,53 +291,53 @@ static inline int rio_paranoia_check(struct rio_port const * port, #ifdef DEBUG -static void my_hd (void *ad, int len) +static void my_hd(void *ad, int len) { - int i, j, ch; - unsigned char *addr = ad; - - for (i=0;i<len;i+=16) { - rio_dprintk (RIO_DEBUG_PARAM, "%08x ", (int) addr+i); - for (j=0;j<16;j++) { - rio_dprintk (RIO_DEBUG_PARAM, "%02x %s", addr[j+i], (j==7)?" ":""); - } - for (j=0;j<16;j++) { - ch = addr[j+i]; - rio_dprintk (RIO_DEBUG_PARAM, "%c", (ch < 0x20)?'.':((ch > 0x7f)?'.':ch)); - } - rio_dprintk (RIO_DEBUG_PARAM, "\n"); - } + int i, j, ch; + unsigned char *addr = ad; + + for (i = 0; i < len; i += 16) { + rio_dprintk(RIO_DEBUG_PARAM, "%08x ", (int) addr + i); + for (j = 0; j < 16; j++) { + rio_dprintk(RIO_DEBUG_PARAM, "%02x %s", addr[j + i], (j == 7) ? " " : ""); + } + for (j = 0; j < 16; j++) { + ch = addr[j + i]; + rio_dprintk(RIO_DEBUG_PARAM, "%c", (ch < 0x20) ? '.' : ((ch > 0x7f) ? '.' : ch)); + } + rio_dprintk(RIO_DEBUG_PARAM, "\n"); + } } #else #define my_hd(ad,len) do{/* nothing*/ } while (0) #endif -/* Delay a number of jiffies, allowing a signal to interrupt */ -int RIODelay (struct Port *PortP, int njiffies) +/* Delay a number of jiffies, allowing a signal to interrupt */ +int RIODelay(struct Port *PortP, int njiffies) { - func_enter (); + func_enter(); - rio_dprintk (RIO_DEBUG_DELAY, "delaying %d jiffies\n", njiffies); - msleep_interruptible(jiffies_to_msecs(njiffies)); - func_exit(); + rio_dprintk(RIO_DEBUG_DELAY, "delaying %d jiffies\n", njiffies); + msleep_interruptible(jiffies_to_msecs(njiffies)); + func_exit(); - if (signal_pending(current)) - return RIO_FAIL; - else - return !RIO_FAIL; + if (signal_pending(current)) + return RIO_FAIL; + else + return !RIO_FAIL; } -/* Delay a number of jiffies, disallowing a signal to interrupt */ -int RIODelay_ni (struct Port *PortP, int njiffies) +/* Delay a number of jiffies, disallowing a signal to interrupt */ +int RIODelay_ni(struct Port *PortP, int njiffies) { - func_enter (); + func_enter(); - rio_dprintk (RIO_DEBUG_DELAY, "delaying %d jiffies (ni)\n", njiffies); - msleep(jiffies_to_msecs(njiffies)); - func_exit(); - return !RIO_FAIL; + rio_dprintk(RIO_DEBUG_DELAY, "delaying %d jiffies (ni)\n", njiffies); + msleep(jiffies_to_msecs(njiffies)); + func_exit(); + return !RIO_FAIL; } @@ -354,126 +353,121 @@ int rio_ismodem(struct tty_struct *tty) } -static int rio_set_real_termios (void *ptr) +static int rio_set_real_termios(void *ptr) { - int rv, modem; - struct tty_struct *tty; - func_enter(); + int rv, modem; + struct tty_struct *tty; + func_enter(); - tty = ((struct Port *)ptr)->gs.tty; + tty = ((struct Port *) ptr)->gs.tty; - modem = rio_ismodem(tty); + modem = rio_ismodem(tty); - rv = RIOParam( (struct Port *) ptr, CONFIG, modem, 1); + rv = RIOParam((struct Port *) ptr, CONFIG, modem, 1); - func_exit (); + func_exit(); - return rv; + return rv; } -static void rio_reset_interrupt (struct Host *HostP) +static void rio_reset_interrupt(struct Host *HostP) { - func_enter(); + func_enter(); - switch( HostP->Type ) { - case RIO_AT: - case RIO_MCA: - case RIO_PCI: - WBYTE(HostP->ResetInt , 0xff); - } + switch (HostP->Type) { + case RIO_AT: + case RIO_MCA: + case RIO_PCI: + WBYTE(HostP->ResetInt, 0xff); + } - func_exit(); + func_exit(); } -static irqreturn_t rio_interrupt (int irq, void *ptr, struct pt_regs *regs) +static irqreturn_t rio_interrupt(int irq, void *ptr, struct pt_regs *regs) { - struct Host *HostP; - func_enter (); + struct Host *HostP; + func_enter(); - HostP = (struct Host*)ptr; /* &p->RIOHosts[(long)ptr]; */ - rio_dprintk (RIO_DEBUG_IFLOW, "rio: enter rio_interrupt (%d/%d)\n", - irq, HostP->Ivec); + HostP = (struct Host *) ptr; /* &p->RIOHosts[(long)ptr]; */ + rio_dprintk(RIO_DEBUG_IFLOW, "rio: enter rio_interrupt (%d/%d)\n", irq, HostP->Ivec); - /* AAargh! The order in which to do these things is essential and - not trivial. - - - Rate limit goes before "recursive". Otherwise a series of - recursive calls will hang the machine in the interrupt routine. + /* AAargh! The order in which to do these things is essential and + not trivial. - - hardware twiddling goes before "recursive". Otherwise when we - poll the card, and a recursive interrupt happens, we won't - ack the card, so it might keep on interrupting us. (especially - level sensitive interrupt systems like PCI). + - Rate limit goes before "recursive". Otherwise a series of + recursive calls will hang the machine in the interrupt routine. - - Rate limit goes before hardware twiddling. Otherwise we won't - catch a card that has gone bonkers. + - hardware twiddling goes before "recursive". Otherwise when we + poll the card, and a recursive interrupt happens, we won't + ack the card, so it might keep on interrupting us. (especially + level sensitive interrupt systems like PCI). - - The "initialized" test goes after the hardware twiddling. Otherwise - the card will stick us in the interrupt routine again. + - Rate limit goes before hardware twiddling. Otherwise we won't + catch a card that has gone bonkers. - - The initialized test goes before recursive. - */ + - The "initialized" test goes after the hardware twiddling. Otherwise + the card will stick us in the interrupt routine again. + + - The initialized test goes before recursive. + */ #ifdef IRQ_RATE_LIMIT - /* Aaargh! I'm ashamed. This costs more lines-of-code than the - actual interrupt routine!. (Well, used to when I wrote that comment) */ - { - static int lastjif; - static int nintr=0; - - if (lastjif == jiffies) { - if (++nintr > IRQ_RATE_LIMIT) { - free_irq (HostP->Ivec, ptr); - printk (KERN_ERR "rio: Too many interrupts. Turning off interrupt %d.\n", - HostP->Ivec); - } - } else { - lastjif = jiffies; - nintr = 0; - } - } + /* Aaargh! I'm ashamed. This costs more lines-of-code than the + actual interrupt routine!. (Well, used to when I wrote that comment) */ + { + static int lastjif; + static int nintr = 0; + + if (lastjif == jiffies) { + if (++nintr > IRQ_RATE_LIMIT) { + free_irq(HostP->Ivec, ptr); + printk(KERN_ERR "rio: Too many interrupts. Turning off interrupt %d.\n", HostP->Ivec); + } + } else { + lastjif = jiffies; + nintr = 0; + } + } #endif - rio_dprintk (RIO_DEBUG_IFLOW, "rio: We've have noticed the interrupt\n"); - if (HostP->Ivec == irq) { - /* Tell the card we've noticed the interrupt. */ - rio_reset_interrupt (HostP); - } - - if ((HostP->Flags & RUN_STATE) != RC_RUNNING) - return IRQ_HANDLED; - - if (test_and_set_bit (RIO_BOARD_INTR_LOCK, &HostP->locks)) { - printk (KERN_ERR "Recursive interrupt! (host %d/irq%d)\n", - (int) ptr, HostP->Ivec); - return IRQ_HANDLED; - } - - RIOServiceHost(p, HostP, irq); - - rio_dprintk ( RIO_DEBUG_IFLOW, "riointr() doing host %d type %d\n", - (int) ptr, HostP->Type); - - clear_bit (RIO_BOARD_INTR_LOCK, &HostP->locks); - rio_dprintk (RIO_DEBUG_IFLOW, "rio: exit rio_interrupt (%d/%d)\n", - irq, HostP->Ivec); - func_exit (); - return IRQ_HANDLED; + rio_dprintk(RIO_DEBUG_IFLOW, "rio: We've have noticed the interrupt\n"); + if (HostP->Ivec == irq) { + /* Tell the card we've noticed the interrupt. */ + rio_reset_interrupt(HostP); + } + + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) + return IRQ_HANDLED; + + if (test_and_set_bit(RIO_BOARD_INTR_LOCK, &HostP->locks)) { + printk(KERN_ERR "Recursive interrupt! (host %d/irq%d)\n", (int) ptr, HostP->Ivec); + return IRQ_HANDLED; + } + + RIOServiceHost(p, HostP, irq); + + rio_dprintk(RIO_DEBUG_IFLOW, "riointr() doing host %d type %d\n", (int) ptr, HostP->Type); + + clear_bit(RIO_BOARD_INTR_LOCK, &HostP->locks); + rio_dprintk(RIO_DEBUG_IFLOW, "rio: exit rio_interrupt (%d/%d)\n", irq, HostP->Ivec); + func_exit(); + return IRQ_HANDLED; } -static void rio_pollfunc (unsigned long data) +static void rio_pollfunc(unsigned long data) { - func_enter (); + func_enter(); - rio_interrupt (0, &p->RIOHosts[data], NULL); - p->RIOHosts[data].timer.expires = jiffies + rio_poll; - add_timer (&p->RIOHosts[data].timer); + rio_interrupt(0, &p->RIOHosts[data], NULL); + p->RIOHosts[data].timer.expires = jiffies + rio_poll; + add_timer(&p->RIOHosts[data].timer); - func_exit (); + func_exit(); } @@ -485,106 +479,91 @@ static void rio_pollfunc (unsigned long data) /* Ehhm. I don't know how to fiddle with interrupts on the Specialix cards. .... Hmm. Ok I figured it out. You don't. -- REW */ -static void rio_disable_tx_interrupts (void * ptr) +static void rio_disable_tx_interrupts(void *ptr) { - func_enter(); + func_enter(); - /* port->gs.flags &= ~GS_TX_INTEN; */ + /* port->gs.flags &= ~GS_TX_INTEN; */ - func_exit(); + func_exit(); } -static void rio_enable_tx_interrupts (void * ptr) +static void rio_enable_tx_interrupts(void *ptr) { - struct Port *PortP = ptr; - /* int hn; */ + struct Port *PortP = ptr; + /* int hn; */ - func_enter(); + func_enter(); - /* hn = PortP->HostP - p->RIOHosts; + /* hn = PortP->HostP - p->RIOHosts; - rio_dprintk (RIO_DEBUG_TTY, "Pushing host %d\n", hn); - rio_interrupt (-1,(void *) hn, NULL); */ + rio_dprintk (RIO_DEBUG_TTY, "Pushing host %d\n", hn); + rio_interrupt (-1,(void *) hn, NULL); */ - RIOTxEnable((char *) PortP); + RIOTxEnable((char *) PortP); - /* - * In general we cannot count on "tx empty" interrupts, although - * the interrupt routine seems to be able to tell the difference. - */ - PortP->gs.flags &= ~GS_TX_INTEN; + /* + * In general we cannot count on "tx empty" interrupts, although + * the interrupt routine seems to be able to tell the difference. + */ + PortP->gs.flags &= ~GS_TX_INTEN; - func_exit(); + func_exit(); } -static void rio_disable_rx_interrupts (void * ptr) +static void rio_disable_rx_interrupts(void *ptr) { - func_enter(); - func_exit(); + func_enter(); + func_exit(); } -static void rio_enable_rx_interrupts (void * ptr) +static void rio_enable_rx_interrupts(void *ptr) { - /* struct rio_port *port = ptr; */ - func_enter(); - func_exit(); + /* struct rio_port *port = ptr; */ + func_enter(); + func_exit(); } /* Jeez. Isn't this simple? */ -static int rio_get_CD (void * ptr) +static int rio_get_CD(void *ptr) { - struct Port *PortP = ptr; - int rv; + struct Port *PortP = ptr; + int rv; - func_enter(); - rv = (PortP->ModemState & MSVR1_CD) != 0; + func_enter(); + rv = (PortP->ModemState & MSVR1_CD) != 0; + + rio_dprintk(RIO_DEBUG_INIT, "Getting CD status: %d\n", rv); - rio_dprintk (RIO_DEBUG_INIT, "Getting CD status: %d\n", rv); - - func_exit(); - return rv; + func_exit(); + return rv; } /* Jeez. Isn't this simple? Actually, we can sync with the actual port by just pushing stuff into the queue going to the port... */ -static int rio_chars_in_buffer (void * ptr) +static int rio_chars_in_buffer(void *ptr) { - func_enter(); + func_enter(); - func_exit(); - return 0; + func_exit(); + return 0; } /* Nothing special here... */ -static void rio_shutdown_port (void * ptr) +static void rio_shutdown_port(void *ptr) { - struct Port *PortP; - - func_enter(); - - PortP = (struct Port *)ptr; - PortP->gs.tty = NULL; -#if 0 - port->gs.flags &= ~ GS_ACTIVE; - if (!port->gs.tty) { - rio_dprintk (RIO_DBUG_TTY, "No tty.\n"); - return; - } - if (!port->gs.tty->termios) { - rio_dprintk (RIO_DEBUG_TTY, "No termios.\n"); - return; - } - if (port->gs.tty->termios->c_cflag & HUPCL) { - rio_setsignals (port, 0, 0); - } -#endif + struct Port *PortP; + + func_enter(); - func_exit(); + PortP = (struct Port *) ptr; + PortP->gs.tty = NULL; + func_exit(); } @@ -595,16 +574,16 @@ static void rio_shutdown_port (void * ptr) running minicom on a serial port that is driven by a modularized driver. Have the modem hangup. Then remove the driver module. Then exit minicom. I expect an "oops". -- REW */ -static void rio_hungup (void *ptr) +static void rio_hungup(void *ptr) { - struct Port *PortP; + struct Port *PortP; + + func_enter(); - func_enter(); - - PortP = (struct Port *)ptr; - PortP->gs.tty = NULL; + PortP = (struct Port *) ptr; + PortP->gs.tty = NULL; - func_exit (); + func_exit(); } @@ -612,146 +591,100 @@ static void rio_hungup (void *ptr) this. rs_close (...){save_flags;cli;real_close();dec_use_count;restore_flags;} */ -static void rio_close (void *ptr) +static void rio_close(void *ptr) { - struct Port *PortP; + struct Port *PortP; - func_enter (); + func_enter(); - PortP = (struct Port *)ptr; + PortP = (struct Port *) ptr; - riotclose (ptr); + riotclose(ptr); - if(PortP->gs.count) { - printk (KERN_ERR "WARNING port count:%d\n", PortP->gs.count); - PortP->gs.count = 0; - } + if (PortP->gs.count) { + printk(KERN_ERR "WARNING port count:%d\n", PortP->gs.count); + PortP->gs.count = 0; + } - PortP->gs.tty = NULL; - func_exit (); + PortP->gs.tty = NULL; + func_exit(); } -static int rio_fw_ioctl (struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static int rio_fw_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { - int rc = 0; - func_enter(); + int rc = 0; + func_enter(); - /* The "dev" argument isn't used. */ - rc = riocontrol (p, 0, cmd, (void *)arg, capable(CAP_SYS_ADMIN)); + /* The "dev" argument isn't used. */ + rc = riocontrol(p, 0, cmd, (void *) arg, capable(CAP_SYS_ADMIN)); - func_exit (); - return rc; + func_exit(); + return rc; } -extern int RIOShortCommand(struct rio_info *p, struct Port *PortP, - int command, int len, int arg); +extern int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg); -static int rio_ioctl (struct tty_struct * tty, struct file * filp, - unsigned int cmd, unsigned long arg) +static int rio_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd, unsigned long arg) { - int rc; - struct Port *PortP; - int ival; - - func_enter(); + int rc; + struct Port *PortP; + int ival; - PortP = (struct Port *)tty->driver_data; + func_enter(); - rc = 0; - switch (cmd) { -#if 0 - case TIOCGSOFTCAR: - rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0), - (unsigned int *) arg); - break; -#endif - case TIOCSSOFTCAR: - if ((rc = get_user(ival, (unsigned int *) arg)) == 0) { - tty->termios->c_cflag = - (tty->termios->c_cflag & ~CLOCAL) | - (ival ? CLOCAL : 0); - } - break; - case TIOCGSERIAL: - rc = -EFAULT; - if (access_ok(VERIFY_WRITE, (void *) arg, - sizeof(struct serial_struct))) - rc = gs_getserial(&PortP->gs, (struct serial_struct *) arg); - break; - case TCSBRK: - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_TTY, "BREAK on deleted RTA\n"); - rc = -EIO; - } else { - if (RIOShortCommand(p, PortP, SBREAK, 2, 250) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); - rc = -EIO; - } - } - break; - case TCSBRKP: - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_TTY, "BREAK on deleted RTA\n"); - rc = -EIO; - } else { - int l; - l = arg?arg*100:250; - if (l > 255) l = 255; - if (RIOShortCommand(p, PortP, SBREAK, 2, arg?arg*100:250) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); - rc = -EIO; - } - } - break; - case TIOCSSERIAL: - rc = -EFAULT; - if (access_ok(VERIFY_READ, (void *) arg, - sizeof(struct serial_struct))) - rc = gs_setserial(&PortP->gs, (struct serial_struct *) arg); - break; -#if 0 - /* - * note: these IOCTLs no longer reach here. Use - * tiocmset/tiocmget driver methods instead. The - * #if 0 disablement predates this comment. - */ - case TIOCMGET: - rc = -EFAULT; - if (access_ok(VERIFY_WRITE, (void *) arg, - sizeof(unsigned int))) { - rc = 0; - ival = rio_getsignals(port); - put_user(ival, (unsigned int *) arg); - } - break; - case TIOCMBIS: - if ((rc = get_user(ival, (unsigned int *) arg)) == 0) { - rio_setsignals(port, ((ival & TIOCM_DTR) ? 1 : -1), - ((ival & TIOCM_RTS) ? 1 : -1)); - } - break; - case TIOCMBIC: - if ((rc = get_user(ival, (unsigned int *) arg)) == 0) { - rio_setsignals(port, ((ival & TIOCM_DTR) ? 0 : -1), - ((ival & TIOCM_RTS) ? 0 : -1)); - } - break; - case TIOCMSET: - if ((rc = get_user(ival, (unsigned int *) arg)) == 0) { - rio_setsignals(port, ((ival & TIOCM_DTR) ? 1 : 0), - ((ival & TIOCM_RTS) ? 1 : 0)); - } - break; -#endif - default: - rc = -ENOIOCTLCMD; - break; - } - func_exit(); - return rc; + PortP = (struct Port *) tty->driver_data; + + rc = 0; + switch (cmd) { + case TIOCSSOFTCAR: + if ((rc = get_user(ival, (unsigned int *) arg)) == 0) { + tty->termios->c_cflag = (tty->termios->c_cflag & ~CLOCAL) | (ival ? CLOCAL : 0); + } + break; + case TIOCGSERIAL: + rc = -EFAULT; + if (access_ok(VERIFY_WRITE, (void *) arg, sizeof(struct serial_struct))) + rc = gs_getserial(&PortP->gs, (struct serial_struct *) arg); + break; + case TCSBRK: + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_TTY, "BREAK on deleted RTA\n"); + rc = -EIO; + } else { + if (RIOShortCommand(p, PortP, SBREAK, 2, 250) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); + rc = -EIO; + } + } + break; + case TCSBRKP: + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_TTY, "BREAK on deleted RTA\n"); + rc = -EIO; + } else { + int l; + l = arg ? arg * 100 : 250; + if (l > 255) + l = 255; + if (RIOShortCommand(p, PortP, SBREAK, 2, arg ? arg * 100 : 250) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); + rc = -EIO; + } + } + break; + case TIOCSSERIAL: + rc = -EFAULT; + if (access_ok(VERIFY_READ, (void *) arg, sizeof(struct serial_struct))) + rc = gs_setserial(&PortP->gs, (struct serial_struct *) arg); + break; + default: + rc = -ENOIOCTLCMD; + break; + } + func_exit(); + return rc; } @@ -771,37 +704,37 @@ static int rio_ioctl (struct tty_struct * tty, struct file * filp, * flow control scheme is in use for that port. -- Simon Allen */ -static void rio_throttle (struct tty_struct * tty) +static void rio_throttle(struct tty_struct *tty) { - struct Port *port = (struct Port *)tty->driver_data; - - func_enter(); - /* If the port is using any type of input flow - * control then throttle the port. - */ - - if((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty)) ) { - port->State |= RIO_THROTTLE_RX; - } - - func_exit(); + struct Port *port = (struct Port *) tty->driver_data; + + func_enter(); + /* If the port is using any type of input flow + * control then throttle the port. + */ + + if ((tty->termios->c_cflag & CRTSCTS) || (I_IXOFF(tty))) { + port->State |= RIO_THROTTLE_RX; + } + + func_exit(); } -static void rio_unthrottle (struct tty_struct * tty) +static void rio_unthrottle(struct tty_struct *tty) { - struct Port *port = (struct Port *)tty->driver_data; + struct Port *port = (struct Port *) tty->driver_data; - func_enter(); - /* Always unthrottle even if flow control is not enabled on - * this port in case we disabled flow control while the port - * was throttled - */ + func_enter(); + /* Always unthrottle even if flow control is not enabled on + * this port in case we disabled flow control while the port + * was throttled + */ - port->State &= ~RIO_THROTTLE_RX; + port->State &= ~RIO_THROTTLE_RX; - func_exit(); - return; + func_exit(); + return; } @@ -813,35 +746,34 @@ static void rio_unthrottle (struct tty_struct * tty) * ********************************************************************** */ -static struct vpd_prom *get_VPD_PROM (struct Host *hp) +static struct vpd_prom *get_VPD_PROM(struct Host *hp) { - static struct vpd_prom vpdp; - char *p; - int i; + static struct vpd_prom vpdp; + char *p; + int i; + + func_enter(); + rio_dprintk(RIO_DEBUG_PROBE, "Going to verify vpd prom at %p.\n", hp->Caddr + RIO_VPD_ROM); - func_enter(); - rio_dprintk (RIO_DEBUG_PROBE, "Going to verify vpd prom at %p.\n", - hp->Caddr + RIO_VPD_ROM); + p = (char *) &vpdp; + for (i = 0; i < sizeof(struct vpd_prom); i++) + *p++ = readb(hp->Caddr + RIO_VPD_ROM + i * 2); + /* read_rio_byte (hp, RIO_VPD_ROM + i*2); */ - p = (char *) &vpdp; - for (i=0;i< sizeof (struct vpd_prom);i++) - *p++ = readb (hp->Caddr+RIO_VPD_ROM + i*2); - /* read_rio_byte (hp, RIO_VPD_ROM + i*2); */ + /* Terminate the identifier string. + *** requires one extra byte in struct vpd_prom *** */ + *p++ = 0; - /* Terminate the identifier string. - *** requires one extra byte in struct vpd_prom *** */ - *p++=0; + if (rio_debug & RIO_DEBUG_PROBE) + my_hd((char *) &vpdp, 0x20); - if (rio_debug & RIO_DEBUG_PROBE) - my_hd ((char *)&vpdp, 0x20); - - func_exit(); + func_exit(); - return &vpdp; + return &vpdp; } static struct tty_operations rio_ops = { - .open = riotopen, + .open = riotopen, .close = gs_close, .write = gs_write, .put_char = gs_put_char, @@ -893,7 +825,7 @@ static int rio_init_drivers(void) rio_driver2->flags = TTY_DRIVER_REAL_RAW; tty_set_operations(rio_driver2, &rio_ops); - rio_dprintk (RIO_DEBUG_INIT, "set_termios = %p\n", gs_set_termios); + rio_dprintk(RIO_DEBUG_INIT, "set_termios = %p\n", gs_set_termios); if ((error = tty_register_driver(rio_driver))) goto out2; @@ -901,116 +833,111 @@ static int rio_init_drivers(void) goto out3; func_exit(); return 0; -out3: + out3: tty_unregister_driver(rio_driver); -out2: + out2: put_tty_driver(rio_driver2); -out1: + out1: put_tty_driver(rio_driver); -out: - printk(KERN_ERR "rio: Couldn't register a rio driver, error = %d\n", - error); + out: + printk(KERN_ERR "rio: Couldn't register a rio driver, error = %d\n", error); return 1; } -static void * ckmalloc (int size) +static void *ckmalloc(int size) { - void *p; + void *p; - p = kmalloc(size, GFP_KERNEL); - if (p) - memset(p, 0, size); - return p; + p = kmalloc(size, GFP_KERNEL); + if (p) + memset(p, 0, size); + return p; } -static int rio_init_datastructures (void) +static int rio_init_datastructures(void) { - int i; - struct Port *port; - func_enter(); - - /* Many drivers statically allocate the maximum number of ports - There is no reason not to allocate them dynamically. Is there? -- REW */ - /* However, the RIO driver allows users to configure their first - RTA as the ports numbered 504-511. We therefore need to allocate - the whole range. :-( -- REW */ - + int i; + struct Port *port; + func_enter(); + + /* Many drivers statically allocate the maximum number of ports + There is no reason not to allocate them dynamically. Is there? -- REW */ + /* However, the RIO driver allows users to configure their first + RTA as the ports numbered 504-511. We therefore need to allocate + the whole range. :-( -- REW */ + #define RI_SZ sizeof(struct rio_info) #define HOST_SZ sizeof(struct Host) #define PORT_SZ sizeof(struct Port *) #define TMIO_SZ sizeof(struct termios *) - rio_dprintk (RIO_DEBUG_INIT, "getting : %d %d %d %d %d bytes\n", - RI_SZ, - RIO_HOSTS * HOST_SZ, - RIO_PORTS * PORT_SZ, - RIO_PORTS * TMIO_SZ, - RIO_PORTS * TMIO_SZ); - - if (!(p = ckmalloc ( RI_SZ))) goto free0; - if (!(p->RIOHosts = ckmalloc (RIO_HOSTS * HOST_SZ))) goto free1; - if (!(p->RIOPortp = ckmalloc (RIO_PORTS * PORT_SZ))) goto free2; - p->RIOConf = RIOConf; - rio_dprintk (RIO_DEBUG_INIT, "Got : %p %p %p\n", - p, p->RIOHosts, p->RIOPortp); + rio_dprintk(RIO_DEBUG_INIT, "getting : %d %d %d %d %d bytes\n", RI_SZ, RIO_HOSTS * HOST_SZ, RIO_PORTS * PORT_SZ, RIO_PORTS * TMIO_SZ, RIO_PORTS * TMIO_SZ); + + if (!(p = ckmalloc(RI_SZ))) + goto free0; + if (!(p->RIOHosts = ckmalloc(RIO_HOSTS * HOST_SZ))) + goto free1; + if (!(p->RIOPortp = ckmalloc(RIO_PORTS * PORT_SZ))) + goto free2; + p->RIOConf = RIOConf; + rio_dprintk(RIO_DEBUG_INIT, "Got : %p %p %p\n", p, p->RIOHosts, p->RIOPortp); #if 1 - for (i = 0; i < RIO_PORTS; i++) { - port = p->RIOPortp[i] = ckmalloc (sizeof (struct Port)); - if (!port) { - goto free6; - } - rio_dprintk (RIO_DEBUG_INIT, "initing port %d (%d)\n", i, port->Mapped); - port->PortNum = i; - port->gs.magic = RIO_MAGIC; - port->gs.close_delay = HZ/2; - port->gs.closing_wait = 30 * HZ; - port->gs.rd = &rio_real_driver; - spin_lock_init(&port->portSem); - /* - * Initializing wait queue - */ - init_waitqueue_head(&port->gs.open_wait); - init_waitqueue_head(&port->gs.close_wait); - } + for (i = 0; i < RIO_PORTS; i++) { + port = p->RIOPortp[i] = ckmalloc(sizeof(struct Port)); + if (!port) { + goto free6; + } + rio_dprintk(RIO_DEBUG_INIT, "initing port %d (%d)\n", i, port->Mapped); + port->PortNum = i; + port->gs.magic = RIO_MAGIC; + port->gs.close_delay = HZ / 2; + port->gs.closing_wait = 30 * HZ; + port->gs.rd = &rio_real_driver; + spin_lock_init(&port->portSem); + /* + * Initializing wait queue + */ + init_waitqueue_head(&port->gs.open_wait); + init_waitqueue_head(&port->gs.close_wait); + } #else - /* We could postpone initializing them to when they are configured. */ + /* We could postpone initializing them to when they are configured. */ #endif - - if (rio_debug & RIO_DEBUG_INIT) { - my_hd (&rio_real_driver, sizeof (rio_real_driver)); - } - - func_exit(); - return 0; + if (rio_debug & RIO_DEBUG_INIT) { + my_hd(&rio_real_driver, sizeof(rio_real_driver)); + } - free6:for (i--;i>=0;i--) - kfree (p->RIOPortp[i]); + + func_exit(); + return 0; + + free6:for (i--; i >= 0; i--) + kfree(p->RIOPortp[i]); /*free5: free4: - free3:*/kfree (p->RIOPortp); - free2:kfree (p->RIOHosts); - free1: - rio_dprintk (RIO_DEBUG_INIT, "Not enough memory! %p %p %p\n", - p, p->RIOHosts, p->RIOPortp); - kfree(p); - free0: - return -ENOMEM; + free3:*/ kfree(p->RIOPortp); + free2:kfree(p->RIOHosts); + free1: + rio_dprintk(RIO_DEBUG_INIT, "Not enough memory! %p %p %p\n", p, p->RIOHosts, p->RIOPortp); + kfree(p); + free0: + return -ENOMEM; } -static void __exit rio_release_drivers(void) +static void __exit rio_release_drivers(void) { - func_enter(); - tty_unregister_driver(rio_driver2); - tty_unregister_driver(rio_driver); - put_tty_driver(rio_driver2); - put_tty_driver(rio_driver); - func_exit(); + func_enter(); + tty_unregister_driver(rio_driver2); + tty_unregister_driver(rio_driver); + put_tty_driver(rio_driver2); + put_tty_driver(rio_driver); + func_exit(); } @@ -1021,7 +948,7 @@ static void __exit rio_release_drivers(void) There is another bit besides Bit 17. Turning that bit off (on boards shipped with the fix in the eeprom) results in a hang on the next access to the card. - */ + */ /******************************************************** * Setting bit 17 in the CNTRL register of the PLX 9050 * @@ -1034,319 +961,293 @@ static void __exit rio_release_drivers(void) EEprom. As the bit is read/write for the CPU, we can fix it here, if we detect that it isn't set correctly. -- REW */ -static void fix_rio_pci (struct pci_dev *pdev) +static void fix_rio_pci(struct pci_dev *pdev) { - unsigned int hwbase; - unsigned long rebase; - unsigned int t; + unsigned int hwbase; + unsigned long rebase; + unsigned int t; #define CNTRL_REG_OFFSET 0x50 #define CNTRL_REG_GOODVALUE 0x18260000 - pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase); - hwbase &= PCI_BASE_ADDRESS_MEM_MASK; - rebase = (ulong) ioremap(hwbase, 0x80); - t = readl (rebase + CNTRL_REG_OFFSET); - if (t != CNTRL_REG_GOODVALUE) { - printk (KERN_DEBUG "rio: performing cntrl reg fix: %08x -> %08x\n", - t, CNTRL_REG_GOODVALUE); - writel (CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET); - } - iounmap((char*) rebase); + pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &hwbase); + hwbase &= PCI_BASE_ADDRESS_MEM_MASK; + rebase = (ulong) ioremap(hwbase, 0x80); + t = readl(rebase + CNTRL_REG_OFFSET); + if (t != CNTRL_REG_GOODVALUE) { + printk(KERN_DEBUG "rio: performing cntrl reg fix: %08x -> %08x\n", t, CNTRL_REG_GOODVALUE); + writel(CNTRL_REG_GOODVALUE, rebase + CNTRL_REG_OFFSET); + } + iounmap((char *) rebase); } #endif -static int __init rio_init(void) +static int __init rio_init(void) { - int found = 0; - int i; - struct Host *hp; - int retval; - struct vpd_prom *vpdp; - int okboard; + int found = 0; + int i; + struct Host *hp; + int retval; + struct vpd_prom *vpdp; + int okboard; #ifdef CONFIG_PCI - struct pci_dev *pdev = NULL; - unsigned int tint; - unsigned short tshort; + struct pci_dev *pdev = NULL; + unsigned int tint; + unsigned short tshort; #endif - func_enter(); - rio_dprintk (RIO_DEBUG_INIT, "Initing rio module... (rio_debug=%d)\n", - rio_debug); - - if (abs ((long) (&rio_debug) - rio_debug) < 0x10000) { - printk (KERN_WARNING "rio: rio_debug is an address, instead of a value. " - "Assuming -1. Was %x/%p.\n", rio_debug, &rio_debug); - rio_debug=-1; - } - - if (misc_register(&rio_fw_device) < 0) { - printk(KERN_ERR "RIO: Unable to register firmware loader driver.\n"); - return -EIO; - } - - retval = rio_init_datastructures (); - if (retval < 0) { - misc_deregister(&rio_fw_device); - return retval; - } - + func_enter(); + rio_dprintk(RIO_DEBUG_INIT, "Initing rio module... (rio_debug=%d)\n", rio_debug); + + if (abs((long) (&rio_debug) - rio_debug) < 0x10000) { + printk(KERN_WARNING "rio: rio_debug is an address, instead of a value. " "Assuming -1. Was %x/%p.\n", rio_debug, &rio_debug); + rio_debug = -1; + } + + if (misc_register(&rio_fw_device) < 0) { + printk(KERN_ERR "RIO: Unable to register firmware loader driver.\n"); + return -EIO; + } + + retval = rio_init_datastructures(); + if (retval < 0) { + misc_deregister(&rio_fw_device); + return retval; + } #ifdef CONFIG_PCI - /* First look for the JET devices: */ - while ((pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX, - PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, - pdev))) { - if (pci_enable_device(pdev)) continue; - - /* Specialix has a whole bunch of cards with - 0x2000 as the device ID. They say its because - the standard requires it. Stupid standard. */ - /* It seems that reading a word doesn't work reliably on 2.0. - Also, reading a non-aligned dword doesn't work. So we read the - whole dword at 0x2c and extract the word at 0x2e (SUBSYSTEM_ID) - ourselves */ - /* I don't know why the define doesn't work, constant 0x2c does --REW */ - pci_read_config_dword (pdev, 0x2c, &tint); - tshort = (tint >> 16) & 0xffff; - rio_dprintk (RIO_DEBUG_PROBE, "Got a specialix card: %x.\n", tint); - if (tshort != 0x0100) { - rio_dprintk (RIO_DEBUG_PROBE, "But it's not a RIO card (%d)...\n", - tshort); - continue; - } - rio_dprintk (RIO_DEBUG_PROBE, "cp1\n"); - - pci_read_config_dword(pdev, PCI_BASE_ADDRESS_2, &tint); - - hp = &p->RIOHosts[p->RIONumHosts]; - hp->PaddrP = tint & PCI_BASE_ADDRESS_MEM_MASK; - hp->Ivec = pdev->irq; - if (((1 << hp->Ivec) & rio_irqmask) == 0) - hp->Ivec = 0; - hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); - hp->CardP = (struct DpRam *) hp->Caddr; - hp->Type = RIO_PCI; - hp->Copy = rio_pcicopy; - hp->Mode = RIO_PCI_BOOT_FROM_RAM; - spin_lock_init(&hp->HostLock); - rio_reset_interrupt (hp); - rio_start_card_running (hp); - - rio_dprintk (RIO_DEBUG_PROBE, "Going to test it (%p/%p).\n", - (void *)p->RIOHosts[p->RIONumHosts].PaddrP, - p->RIOHosts[p->RIONumHosts].Caddr); - if (RIOBoardTest( p->RIOHosts[p->RIONumHosts].PaddrP, - p->RIOHosts[p->RIONumHosts].Caddr, - RIO_PCI, 0 ) == RIO_SUCCESS) { - rio_dprintk (RIO_DEBUG_INIT, "Done RIOBoardTest\n"); - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff); - p->RIOHosts[p->RIONumHosts].UniqueNum = - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0]) &0xFF)<< 0)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1]) &0xFF)<< 8)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2]) &0xFF)<<16)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3]) &0xFF)<<24); - rio_dprintk (RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", - p->RIOHosts[p->RIONumHosts].UniqueNum); - - fix_rio_pci (pdev); - p->RIOLastPCISearch = RIO_SUCCESS; - p->RIONumHosts++; - found++; - } else { - iounmap((char*) (p->RIOHosts[p->RIONumHosts].Caddr)); - } - } - - /* Then look for the older PCI card.... : */ - - /* These older PCI cards have problems (only byte-mode access is - supported), which makes them a bit awkward to support. - They also have problems sharing interrupts. Be careful. - (The driver now refuses to share interrupts for these - cards. This should be sufficient). - */ - - /* Then look for the older RIO/PCI devices: */ - while ((pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX, - PCI_DEVICE_ID_SPECIALIX_RIO, - pdev))) { - if (pci_enable_device(pdev)) continue; + /* First look for the JET devices: */ + while ((pdev = pci_get_device(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, pdev))) { + if (pci_enable_device(pdev)) + continue; + + /* Specialix has a whole bunch of cards with + 0x2000 as the device ID. They say its because + the standard requires it. Stupid standard. */ + /* It seems that reading a word doesn't work reliably on 2.0. + Also, reading a non-aligned dword doesn't work. So we read the + whole dword at 0x2c and extract the word at 0x2e (SUBSYSTEM_ID) + ourselves */ + /* I don't know why the define doesn't work, constant 0x2c does --REW */ + pci_read_config_dword(pdev, 0x2c, &tint); + tshort = (tint >> 16) & 0xffff; + rio_dprintk(RIO_DEBUG_PROBE, "Got a specialix card: %x.\n", tint); + if (tshort != 0x0100) { + rio_dprintk(RIO_DEBUG_PROBE, "But it's not a RIO card (%d)...\n", tshort); + continue; + } + rio_dprintk(RIO_DEBUG_PROBE, "cp1\n"); + + pci_read_config_dword(pdev, PCI_BASE_ADDRESS_2, &tint); + + hp = &p->RIOHosts[p->RIONumHosts]; + hp->PaddrP = tint & PCI_BASE_ADDRESS_MEM_MASK; + hp->Ivec = pdev->irq; + if (((1 << hp->Ivec) & rio_irqmask) == 0) + hp->Ivec = 0; + hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); + hp->CardP = (struct DpRam *) hp->Caddr; + hp->Type = RIO_PCI; + hp->Copy = rio_pcicopy; + hp->Mode = RIO_PCI_BOOT_FROM_RAM; + spin_lock_init(&hp->HostLock); + rio_reset_interrupt(hp); + rio_start_card_running(hp); + + rio_dprintk(RIO_DEBUG_PROBE, "Going to test it (%p/%p).\n", (void *) p->RIOHosts[p->RIONumHosts].PaddrP, p->RIOHosts[p->RIONumHosts].Caddr); + if (RIOBoardTest(p->RIOHosts[p->RIONumHosts].PaddrP, p->RIOHosts[p->RIONumHosts].Caddr, RIO_PCI, 0) == RIO_SUCCESS) { + rio_dprintk(RIO_DEBUG_INIT, "Done RIOBoardTest\n"); + WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff); + p->RIOHosts[p->RIONumHosts].UniqueNum = + ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0]) & 0xFF) << 0) | + ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1]) & 0xFF) << 8) | ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2]) & 0xFF) << 16) | ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3]) & 0xFF) << 24); + rio_dprintk(RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", p->RIOHosts[p->RIONumHosts].UniqueNum); + + fix_rio_pci(pdev); + p->RIOLastPCISearch = RIO_SUCCESS; + p->RIONumHosts++; + found++; + } else { + iounmap((char *) (p->RIOHosts[p->RIONumHosts].Caddr)); + } + } + + /* Then look for the older PCI card.... : */ + + /* These older PCI cards have problems (only byte-mode access is + supported), which makes them a bit awkward to support. + They also have problems sharing interrupts. Be careful. + (The driver now refuses to share interrupts for these + cards. This should be sufficient). + */ + + /* Then look for the older RIO/PCI devices: */ + while ((pdev = pci_get_device(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_RIO, pdev))) { + if (pci_enable_device(pdev)) + continue; #ifdef CONFIG_RIO_OLDPCI - pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &tint); - - hp = &p->RIOHosts[p->RIONumHosts]; - hp->PaddrP = tint & PCI_BASE_ADDRESS_MEM_MASK; - hp->Ivec = pdev->irq; - if (((1 << hp->Ivec) & rio_irqmask) == 0) - hp->Ivec = 0; - hp->Ivec |= 0x8000; /* Mark as non-sharable */ - hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); - hp->CardP = (struct DpRam *) hp->Caddr; - hp->Type = RIO_PCI; - hp->Copy = rio_pcicopy; - hp->Mode = RIO_PCI_BOOT_FROM_RAM; - spin_lock_init(&hp->HostLock); - - rio_dprintk (RIO_DEBUG_PROBE, "Ivec: %x\n", hp->Ivec); - rio_dprintk (RIO_DEBUG_PROBE, "Mode: %x\n", hp->Mode); - - rio_reset_interrupt (hp); - rio_start_card_running (hp); - rio_dprintk (RIO_DEBUG_PROBE, "Going to test it (%p/%p).\n", - (void *)p->RIOHosts[p->RIONumHosts].PaddrP, - p->RIOHosts[p->RIONumHosts].Caddr); - if (RIOBoardTest( p->RIOHosts[p->RIONumHosts].PaddrP, - p->RIOHosts[p->RIONumHosts].Caddr, - RIO_PCI, 0 ) == RIO_SUCCESS) { - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff); - p->RIOHosts[p->RIONumHosts].UniqueNum = - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0]) &0xFF)<< 0)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1]) &0xFF)<< 8)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2]) &0xFF)<<16)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3]) &0xFF)<<24); - rio_dprintk (RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", - p->RIOHosts[p->RIONumHosts].UniqueNum); - - p->RIOLastPCISearch = RIO_SUCCESS; - p->RIONumHosts++; - found++; - } else { - iounmap((char*) (p->RIOHosts[p->RIONumHosts].Caddr)); - } + pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &tint); + + hp = &p->RIOHosts[p->RIONumHosts]; + hp->PaddrP = tint & PCI_BASE_ADDRESS_MEM_MASK; + hp->Ivec = pdev->irq; + if (((1 << hp->Ivec) & rio_irqmask) == 0) + hp->Ivec = 0; + hp->Ivec |= 0x8000; /* Mark as non-sharable */ + hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); + hp->CardP = (struct DpRam *) hp->Caddr; + hp->Type = RIO_PCI; + hp->Copy = rio_pcicopy; + hp->Mode = RIO_PCI_BOOT_FROM_RAM; + spin_lock_init(&hp->HostLock); + + rio_dprintk(RIO_DEBUG_PROBE, "Ivec: %x\n", hp->Ivec); + rio_dprintk(RIO_DEBUG_PROBE, "Mode: %x\n", hp->Mode); + + rio_reset_interrupt(hp); + rio_start_card_running(hp); + rio_dprintk(RIO_DEBUG_PROBE, "Going to test it (%p/%p).\n", (void *) p->RIOHosts[p->RIONumHosts].PaddrP, p->RIOHosts[p->RIONumHosts].Caddr); + if (RIOBoardTest(p->RIOHosts[p->RIONumHosts].PaddrP, p->RIOHosts[p->RIONumHosts].Caddr, RIO_PCI, 0) == RIO_SUCCESS) { + WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff); + p->RIOHosts[p->RIONumHosts].UniqueNum = + ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0]) & 0xFF) << 0) | + ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1]) & 0xFF) << 8) | ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2]) & 0xFF) << 16) | ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3]) & 0xFF) << 24); + rio_dprintk(RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", p->RIOHosts[p->RIONumHosts].UniqueNum); + + p->RIOLastPCISearch = RIO_SUCCESS; + p->RIONumHosts++; + found++; + } else { + iounmap((char *) (p->RIOHosts[p->RIONumHosts].Caddr)); + } #else - printk (KERN_ERR "Found an older RIO PCI card, but the driver is not " - "compiled to support it.\n"); + printk(KERN_ERR "Found an older RIO PCI card, but the driver is not " "compiled to support it.\n"); #endif - } -#endif /* PCI */ - - /* Now probe for ISA cards... */ - for (i=0;i<NR_RIO_ADDRS;i++) { - hp = &p->RIOHosts[p->RIONumHosts]; - hp->PaddrP = rio_probe_addrs[i]; - /* There was something about the IRQs of these cards. 'Forget what.--REW */ - hp->Ivec = 0; - hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); - hp->CardP = (struct DpRam *) hp->Caddr; - hp->Type = RIO_AT; - hp->Copy = rio_pcicopy; /* AT card PCI???? - PVDL - * -- YES! this is now a normal copy. Only the - * old PCI card uses the special PCI copy. - * Moreover, the ISA card will work with the - * special PCI copy anyway. -- REW */ - hp->Mode = 0; - spin_lock_init(&hp->HostLock); - - vpdp = get_VPD_PROM (hp); - rio_dprintk (RIO_DEBUG_PROBE, "Got VPD ROM\n"); - okboard = 0; - if ((strncmp (vpdp->identifier, RIO_ISA_IDENT, 16) == 0) || - (strncmp (vpdp->identifier, RIO_ISA2_IDENT, 16) == 0) || - (strncmp (vpdp->identifier, RIO_ISA3_IDENT, 16) == 0)) { - /* Board is present... */ - if (RIOBoardTest (hp->PaddrP, - hp->Caddr, RIO_AT, 0) == RIO_SUCCESS) { - /* ... and feeling fine!!!! */ - rio_dprintk (RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", - p->RIOHosts[p->RIONumHosts].UniqueNum); - if (RIOAssignAT(p, hp->PaddrP, hp->Caddr, 0)) { - rio_dprintk (RIO_DEBUG_PROBE, "Hmm Tested ok, host%d uniqid = %x.\n", - p->RIONumHosts, - p->RIOHosts[p->RIONumHosts-1].UniqueNum); - okboard++; - found++; - } - } - - if (!okboard) - iounmap ((char*) (hp->Caddr)); - } - } - - - for (i=0;i<p->RIONumHosts;i++) { - hp = &p->RIOHosts[i]; - if (hp->Ivec) { - int mode = SA_SHIRQ; - if (hp->Ivec & 0x8000) {mode = 0; hp->Ivec &= 0x7fff;} - rio_dprintk (RIO_DEBUG_INIT, "Requesting interrupt hp: %p rio_interrupt: %d Mode: %x\n", hp,hp->Ivec, hp->Mode); - retval = request_irq (hp->Ivec, rio_interrupt, mode, "rio", hp); - rio_dprintk (RIO_DEBUG_INIT, "Return value from request_irq: %d\n", retval); - if (retval) { - printk(KERN_ERR "rio: Cannot allocate irq %d.\n", hp->Ivec); - hp->Ivec = 0; - } - rio_dprintk (RIO_DEBUG_INIT, "Got irq %d.\n", hp->Ivec); - if (hp->Ivec != 0){ - rio_dprintk (RIO_DEBUG_INIT, "Enabling interrupts on rio card.\n"); - hp->Mode |= RIO_PCI_INT_ENABLE; - } else - hp->Mode &= !RIO_PCI_INT_ENABLE; - rio_dprintk (RIO_DEBUG_INIT, "New Mode: %x\n", hp->Mode); - rio_start_card_running (hp); - } - /* Init the timer "always" to make sure that it can safely be - deleted when we unload... */ - - init_timer (&hp->timer); - if (!hp->Ivec) { - rio_dprintk (RIO_DEBUG_INIT, "Starting polling at %dj intervals.\n", - rio_poll); - hp->timer.data = i; - hp->timer.function = rio_pollfunc; - hp->timer.expires = jiffies + rio_poll; - add_timer (&hp->timer); - } - } - - if (found) { - rio_dprintk (RIO_DEBUG_INIT, "rio: total of %d boards detected.\n", found); - rio_init_drivers (); - } else { - /* deregister the misc device we created earlier */ - misc_deregister(&rio_fw_device); - } - - func_exit(); - return found?0:-EIO; + } +#endif /* PCI */ + + /* Now probe for ISA cards... */ + for (i = 0; i < NR_RIO_ADDRS; i++) { + hp = &p->RIOHosts[p->RIONumHosts]; + hp->PaddrP = rio_probe_addrs[i]; + /* There was something about the IRQs of these cards. 'Forget what.--REW */ + hp->Ivec = 0; + hp->Caddr = ioremap(p->RIOHosts[p->RIONumHosts].PaddrP, RIO_WINDOW_LEN); + hp->CardP = (struct DpRam *) hp->Caddr; + hp->Type = RIO_AT; + hp->Copy = rio_pcicopy; /* AT card PCI???? - PVDL + * -- YES! this is now a normal copy. Only the + * old PCI card uses the special PCI copy. + * Moreover, the ISA card will work with the + * special PCI copy anyway. -- REW */ + hp->Mode = 0; + spin_lock_init(&hp->HostLock); + + vpdp = get_VPD_PROM(hp); + rio_dprintk(RIO_DEBUG_PROBE, "Got VPD ROM\n"); + okboard = 0; + if ((strncmp(vpdp->identifier, RIO_ISA_IDENT, 16) == 0) || (strncmp(vpdp->identifier, RIO_ISA2_IDENT, 16) == 0) || (strncmp(vpdp->identifier, RIO_ISA3_IDENT, 16) == 0)) { + /* Board is present... */ + if (RIOBoardTest(hp->PaddrP, hp->Caddr, RIO_AT, 0) == RIO_SUCCESS) { + /* ... and feeling fine!!!! */ + rio_dprintk(RIO_DEBUG_PROBE, "Hmm Tested ok, uniqid = %x.\n", p->RIOHosts[p->RIONumHosts].UniqueNum); + if (RIOAssignAT(p, hp->PaddrP, hp->Caddr, 0)) { + rio_dprintk(RIO_DEBUG_PROBE, "Hmm Tested ok, host%d uniqid = %x.\n", p->RIONumHosts, p->RIOHosts[p->RIONumHosts - 1].UniqueNum); + okboard++; + found++; + } + } + + if (!okboard) + iounmap((char *) (hp->Caddr)); + } + } + + + for (i = 0; i < p->RIONumHosts; i++) { + hp = &p->RIOHosts[i]; + if (hp->Ivec) { + int mode = SA_SHIRQ; + if (hp->Ivec & 0x8000) { + mode = 0; + hp->Ivec &= 0x7fff; + } + rio_dprintk(RIO_DEBUG_INIT, "Requesting interrupt hp: %p rio_interrupt: %d Mode: %x\n", hp, hp->Ivec, hp->Mode); + retval = request_irq(hp->Ivec, rio_interrupt, mode, "rio", hp); + rio_dprintk(RIO_DEBUG_INIT, "Return value from request_irq: %d\n", retval); + if (retval) { + printk(KERN_ERR "rio: Cannot allocate irq %d.\n", hp->Ivec); + hp->Ivec = 0; + } + rio_dprintk(RIO_DEBUG_INIT, "Got irq %d.\n", hp->Ivec); + if (hp->Ivec != 0) { + rio_dprintk(RIO_DEBUG_INIT, "Enabling interrupts on rio card.\n"); + hp->Mode |= RIO_PCI_INT_ENABLE; + } else + hp->Mode &= !RIO_PCI_INT_ENABLE; + rio_dprintk(RIO_DEBUG_INIT, "New Mode: %x\n", hp->Mode); + rio_start_card_running(hp); + } + /* Init the timer "always" to make sure that it can safely be + deleted when we unload... */ + + init_timer(&hp->timer); + if (!hp->Ivec) { + rio_dprintk(RIO_DEBUG_INIT, "Starting polling at %dj intervals.\n", rio_poll); + hp->timer.data = i; + hp->timer.function = rio_pollfunc; + hp->timer.expires = jiffies + rio_poll; + add_timer(&hp->timer); + } + } + + if (found) { + rio_dprintk(RIO_DEBUG_INIT, "rio: total of %d boards detected.\n", found); + rio_init_drivers(); + } else { + /* deregister the misc device we created earlier */ + misc_deregister(&rio_fw_device); + } + + func_exit(); + return found ? 0 : -EIO; } -static void __exit rio_exit (void) +static void __exit rio_exit(void) { - int i; - struct Host *hp; - - func_enter(); + int i; + struct Host *hp; + + func_enter(); - for (i=0,hp=p->RIOHosts;i<p->RIONumHosts;i++, hp++) { - RIOHostReset (hp->Type, hp->CardP, hp->Slot); - if (hp->Ivec) { - free_irq (hp->Ivec, hp); - rio_dprintk (RIO_DEBUG_INIT, "freed irq %d.\n", hp->Ivec); - } - /* It is safe/allowed to del_timer a non-active timer */ - del_timer (&hp->timer); - } + for (i = 0, hp = p->RIOHosts; i < p->RIONumHosts; i++, hp++) { + RIOHostReset(hp->Type, hp->CardP, hp->Slot); + if (hp->Ivec) { + free_irq(hp->Ivec, hp); + rio_dprintk(RIO_DEBUG_INIT, "freed irq %d.\n", hp->Ivec); + } + /* It is safe/allowed to del_timer a non-active timer */ + del_timer(&hp->timer); + } - if (misc_deregister(&rio_fw_device) < 0) { - printk (KERN_INFO "rio: couldn't deregister control-device\n"); - } + if (misc_deregister(&rio_fw_device) < 0) { + printk(KERN_INFO "rio: couldn't deregister control-device\n"); + } - rio_dprintk (RIO_DEBUG_CLEANUP, "Cleaning up drivers\n"); + rio_dprintk(RIO_DEBUG_CLEANUP, "Cleaning up drivers\n"); - rio_release_drivers (); + rio_release_drivers(); - /* Release dynamically allocated memory */ - kfree (p->RIOPortp); - kfree (p->RIOHosts); - kfree (p); + /* Release dynamically allocated memory */ + kfree(p->RIOPortp); + kfree(p->RIOHosts); + kfree(p); - func_exit(); + func_exit(); } module_init(rio_init); @@ -1372,4 +1273,3 @@ module_exit(rio_exit); * tab-width: 8 * End: */ - diff --git a/drivers/char/rio/rio_linux.h b/drivers/char/rio/rio_linux.h index 1fba19d5b66..4ce77fb1fae 100644 --- a/drivers/char/rio/rio_linux.h +++ b/drivers/char/rio/rio_linux.h @@ -37,15 +37,15 @@ struct vpd_prom { - unsigned short id; - char hwrev; - char hwass; - int uniqid; - char myear; - char mweek; - char hw_feature[5]; - char oem_id; - char identifier[16]; + unsigned short id; + char hwrev; + char hwass; + int uniqid; + char myear; + char mweek; + char hw_feature[5]; + char oem_id; + char identifier[16]; }; @@ -75,13 +75,13 @@ struct vpd_prom { (L_ISIG(tty))) -#endif /* __KERNEL__ */ +#endif /* __KERNEL__ */ #define RIO_BOARD_INTR_LOCK 1 -#ifndef RIOCTL_MISC_MINOR +#ifndef RIOCTL_MISC_MINOR /* Allow others to gather this into "major.h" or something like that */ #define RIOCTL_MISC_MINOR 169 #endif @@ -121,39 +121,39 @@ struct vpd_prom { spin_unlock_irqrestore(sem, flags) #define rio_spin_lock(sem) \ - spin_lock(sem) + spin_lock(sem) #define rio_spin_unlock(sem) \ - spin_unlock(sem) + spin_unlock(sem) #endif #ifdef CONFIG_RIO_OLDPCI -static inline void *rio_memcpy_toio (void *dummy, void *dest, void *source, int n) +static inline void *rio_memcpy_toio(void *dummy, void *dest, void *source, int n) { - char *dst = dest; - char *src = source; + char *dst = dest; + char *src = source; - while (n--) { - writeb (*src++, dst++); - (void) readb (dummy); - } + while (n--) { + writeb(*src++, dst++); + (void) readb(dummy); + } - return dest; + return dest; } -static inline void *rio_memcpy_fromio (void *dest, void *source, int n) +static inline void *rio_memcpy_fromio(void *dest, void *source, int n) { - char *dst = dest; - char *src = source; + char *dst = dest; + char *src = source; - while (n--) - *dst++ = readb (src++); + while (n--) + *dst++ = readb(src++); - return dest; + return dest; } #else @@ -179,9 +179,8 @@ static inline void *rio_memcpy_fromio (void *dest, void *source, int n) #define func_exit() rio_dprintk (RIO_DEBUG_FLOW, "rio: exit %s\n", __FUNCTION__) #define func_enter2() rio_dprintk (RIO_DEBUG_FLOW, "rio: enter %s (port %d)\n",__FUNCTION__, port->line) #else -#define rio_dprintk(f, str...) /* nothing */ +#define rio_dprintk(f, str...) /* nothing */ #define func_enter() #define func_exit() #define func_enter2() #endif - diff --git a/drivers/char/rio/rioboard.h b/drivers/char/rio/rioboard.h index cc6ac6a98f6..822c071a693 100644 --- a/drivers/char/rio/rioboard.h +++ b/drivers/char/rio/rioboard.h @@ -35,7 +35,7 @@ */ -#ifndef _rioboard_h /* If RIOBOARD.H not already defined */ +#ifndef _rioboard_h /* If RIOBOARD.H not already defined */ #define _rioboard_h 1 /***************************************************************************** @@ -46,7 +46,7 @@ /* Hardware Registers... */ -#define RIO_REG_BASE 0x7C00 /* Base of control registers */ +#define RIO_REG_BASE 0x7C00 /* Base of control registers */ #define RIO_CONFIG RIO_REG_BASE + 0x0000 /* WRITE: Configuration Register */ #define RIO_INTSET RIO_REG_BASE + 0x0080 /* WRITE: Interrupt Set */ @@ -58,30 +58,30 @@ #define RIO_RESETSTAT RIO_REG_BASE + 0x0100 /* READ: Reset Status (Jet boards only) */ /* RIO_VPD_ROM definitions... */ -#define VPD_SLX_ID1 0x00 /* READ: Specialix Identifier #1 */ -#define VPD_SLX_ID2 0x01 /* READ: Specialix Identifier #2 */ -#define VPD_HW_REV 0x02 /* READ: Hardware Revision */ -#define VPD_HW_ASSEM 0x03 /* READ: Hardware Assembly Level */ -#define VPD_UNIQUEID4 0x04 /* READ: Unique Identifier #4 */ -#define VPD_UNIQUEID3 0x05 /* READ: Unique Identifier #3 */ -#define VPD_UNIQUEID2 0x06 /* READ: Unique Identifier #2 */ -#define VPD_UNIQUEID1 0x07 /* READ: Unique Identifier #1 */ -#define VPD_MANU_YEAR 0x08 /* READ: Year Of Manufacture (0 = 1970) */ -#define VPD_MANU_WEEK 0x09 /* READ: Week Of Manufacture (0 = week 1 Jan) */ -#define VPD_HWFEATURE1 0x0A /* READ: Hardware Feature Byte 1 */ -#define VPD_HWFEATURE2 0x0B /* READ: Hardware Feature Byte 2 */ -#define VPD_HWFEATURE3 0x0C /* READ: Hardware Feature Byte 3 */ -#define VPD_HWFEATURE4 0x0D /* READ: Hardware Feature Byte 4 */ -#define VPD_HWFEATURE5 0x0E /* READ: Hardware Feature Byte 5 */ -#define VPD_OEMID 0x0F /* READ: OEM Identifier */ -#define VPD_IDENT 0x10 /* READ: Identifier string (16 bytes) */ +#define VPD_SLX_ID1 0x00 /* READ: Specialix Identifier #1 */ +#define VPD_SLX_ID2 0x01 /* READ: Specialix Identifier #2 */ +#define VPD_HW_REV 0x02 /* READ: Hardware Revision */ +#define VPD_HW_ASSEM 0x03 /* READ: Hardware Assembly Level */ +#define VPD_UNIQUEID4 0x04 /* READ: Unique Identifier #4 */ +#define VPD_UNIQUEID3 0x05 /* READ: Unique Identifier #3 */ +#define VPD_UNIQUEID2 0x06 /* READ: Unique Identifier #2 */ +#define VPD_UNIQUEID1 0x07 /* READ: Unique Identifier #1 */ +#define VPD_MANU_YEAR 0x08 /* READ: Year Of Manufacture (0 = 1970) */ +#define VPD_MANU_WEEK 0x09 /* READ: Week Of Manufacture (0 = week 1 Jan) */ +#define VPD_HWFEATURE1 0x0A /* READ: Hardware Feature Byte 1 */ +#define VPD_HWFEATURE2 0x0B /* READ: Hardware Feature Byte 2 */ +#define VPD_HWFEATURE3 0x0C /* READ: Hardware Feature Byte 3 */ +#define VPD_HWFEATURE4 0x0D /* READ: Hardware Feature Byte 4 */ +#define VPD_HWFEATURE5 0x0E /* READ: Hardware Feature Byte 5 */ +#define VPD_OEMID 0x0F /* READ: OEM Identifier */ +#define VPD_IDENT 0x10 /* READ: Identifier string (16 bytes) */ #define VPD_IDENT_LEN 0x10 /* VPD ROM Definitions... */ #define SLX_ID1 0x4D #define SLX_ID2 0x98 -#define PRODUCT_ID(a) ((a>>4)&0xF) /* Use to obtain Product ID from VPD_UNIQUEID1 */ +#define PRODUCT_ID(a) ((a>>4)&0xF) /* Use to obtain Product ID from VPD_UNIQUEID1 */ #define ID_SX_ISA 0x2 #define ID_RIO_EISA 0x3 @@ -101,7 +101,7 @@ /* Firmware load position... */ -#define FIRMWARELOADADDR 0x7C00 /* Firmware is loaded _before_ this address */ +#define FIRMWARELOADADDR 0x7C00 /* Firmware is loaded _before_ this address */ /***************************************************************************** ***************************** ***************************** @@ -112,14 +112,14 @@ /* Control Register Definitions... */ #define RIO_ISA_IDENT "JBJGPGGHINSMJPJR" -#define RIO_ISA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_ISA_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_ISA_CFG_IRQMASK 0x30 /* Interrupt mask */ -#define RIO_ISA_CFG_IRQ12 0x10 /* Interrupt Level 12 */ -#define RIO_ISA_CFG_IRQ11 0x20 /* Interrupt Level 11 */ -#define RIO_ISA_CFG_IRQ9 0x30 /* Interrupt Level 9 */ -#define RIO_ISA_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ -#define RIO_ISA_CFG_WAITSTATE0 0x80 /* 0 waitstates, else 1 */ +#define RIO_ISA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_ISA_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_ISA_CFG_IRQMASK 0x30 /* Interrupt mask */ +#define RIO_ISA_CFG_IRQ12 0x10 /* Interrupt Level 12 */ +#define RIO_ISA_CFG_IRQ11 0x20 /* Interrupt Level 11 */ +#define RIO_ISA_CFG_IRQ9 0x30 /* Interrupt Level 9 */ +#define RIO_ISA_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ +#define RIO_ISA_CFG_WAITSTATE0 0x80 /* 0 waitstates, else 1 */ /***************************************************************************** ***************************** ***************************** @@ -130,17 +130,17 @@ /* Control Register Definitions... */ #define RIO_ISA2_IDENT "JBJGPGGHINSMJPJR" -#define RIO_ISA2_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_ISA2_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_ISA2_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ -#define RIO_ISA2_CFG_16BIT 0x08 /* 16bit mode, else 8bit */ -#define RIO_ISA2_CFG_IRQMASK 0x30 /* Interrupt mask */ -#define RIO_ISA2_CFG_IRQ15 0x00 /* Interrupt Level 15 */ -#define RIO_ISA2_CFG_IRQ12 0x10 /* Interrupt Level 12 */ -#define RIO_ISA2_CFG_IRQ11 0x20 /* Interrupt Level 11 */ -#define RIO_ISA2_CFG_IRQ9 0x30 /* Interrupt Level 9 */ -#define RIO_ISA2_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ -#define RIO_ISA2_CFG_WAITSTATE0 0x80 /* 0 waitstates, else 1 */ +#define RIO_ISA2_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_ISA2_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_ISA2_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ +#define RIO_ISA2_CFG_16BIT 0x08 /* 16bit mode, else 8bit */ +#define RIO_ISA2_CFG_IRQMASK 0x30 /* Interrupt mask */ +#define RIO_ISA2_CFG_IRQ15 0x00 /* Interrupt Level 15 */ +#define RIO_ISA2_CFG_IRQ12 0x10 /* Interrupt Level 12 */ +#define RIO_ISA2_CFG_IRQ11 0x20 /* Interrupt Level 11 */ +#define RIO_ISA2_CFG_IRQ9 0x30 /* Interrupt Level 9 */ +#define RIO_ISA2_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ +#define RIO_ISA2_CFG_WAITSTATE0 0x80 /* 0 waitstates, else 1 */ /***************************************************************************** ***************************** ****************************** @@ -151,14 +151,14 @@ /* Control Register Definitions... */ #define RIO_ISA3_IDENT "JET HOST BY KEV#" -#define RIO_ISA3_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_ISA3_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ -#define RIO_ISA32_CFG_IRQMASK 0xF30 /* Interrupt mask */ -#define RIO_ISA3_CFG_IRQ15 0xF0 /* Interrupt Level 15 */ -#define RIO_ISA3_CFG_IRQ12 0xC0 /* Interrupt Level 12 */ -#define RIO_ISA3_CFG_IRQ11 0xB0 /* Interrupt Level 11 */ -#define RIO_ISA3_CFG_IRQ10 0xA0 /* Interrupt Level 10 */ -#define RIO_ISA3_CFG_IRQ9 0x90 /* Interrupt Level 9 */ +#define RIO_ISA3_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_ISA3_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ +#define RIO_ISA32_CFG_IRQMASK 0xF30 /* Interrupt mask */ +#define RIO_ISA3_CFG_IRQ15 0xF0 /* Interrupt Level 15 */ +#define RIO_ISA3_CFG_IRQ12 0xC0 /* Interrupt Level 12 */ +#define RIO_ISA3_CFG_IRQ11 0xB0 /* Interrupt Level 11 */ +#define RIO_ISA3_CFG_IRQ10 0xA0 /* Interrupt Level 10 */ +#define RIO_ISA3_CFG_IRQ9 0x90 /* Interrupt Level 9 */ /***************************************************************************** ********************************* ******************************** @@ -169,9 +169,9 @@ /* Control Register Definitions... */ #define RIO_MCA_IDENT "JBJGPGGHINSMJPJR" -#define RIO_MCA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_MCA_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_MCA_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ +#define RIO_MCA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_MCA_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_MCA_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ /***************************************************************************** ******************************** ******************************** @@ -185,35 +185,35 @@ #define EISA_PRODUCT_NUMBER 0xC82 #define EISA_REVISION_NUMBER 0xC83 #define EISA_CARD_ENABLE 0xC84 -#define EISA_VPD_UNIQUEID4 0xC88 /* READ: Unique Identifier #4 */ -#define EISA_VPD_UNIQUEID3 0xC8A /* READ: Unique Identifier #3 */ -#define EISA_VPD_UNIQUEID2 0xC90 /* READ: Unique Identifier #2 */ -#define EISA_VPD_UNIQUEID1 0xC92 /* READ: Unique Identifier #1 */ -#define EISA_VPD_MANU_YEAR 0xC98 /* READ: Year Of Manufacture (0 = 1970) */ -#define EISA_VPD_MANU_WEEK 0xC9A /* READ: Week Of Manufacture (0 = week 1 Jan) */ +#define EISA_VPD_UNIQUEID4 0xC88 /* READ: Unique Identifier #4 */ +#define EISA_VPD_UNIQUEID3 0xC8A /* READ: Unique Identifier #3 */ +#define EISA_VPD_UNIQUEID2 0xC90 /* READ: Unique Identifier #2 */ +#define EISA_VPD_UNIQUEID1 0xC92 /* READ: Unique Identifier #1 */ +#define EISA_VPD_MANU_YEAR 0xC98 /* READ: Year Of Manufacture (0 = 1970) */ +#define EISA_VPD_MANU_WEEK 0xC9A /* READ: Week Of Manufacture (0 = week 1 Jan) */ #define EISA_MEM_ADDR_23_16 0xC00 #define EISA_MEM_ADDR_31_24 0xC01 -#define EISA_RIO_CONFIG 0xC02 /* WRITE: Configuration Register */ -#define EISA_RIO_INTSET 0xC03 /* WRITE: Interrupt Set */ -#define EISA_RIO_INTRESET 0xC03 /* READ: Interrupt Reset */ +#define EISA_RIO_CONFIG 0xC02 /* WRITE: Configuration Register */ +#define EISA_RIO_INTSET 0xC03 /* WRITE: Interrupt Set */ +#define EISA_RIO_INTRESET 0xC03 /* READ: Interrupt Reset */ /* Control Register Definitions... */ -#define RIO_EISA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_EISA_CFG_LINK20 0x02 /* 20Mbps link, else 10Mbps */ -#define RIO_EISA_CFG_BUSENABLE 0x04 /* Enable processor bus */ -#define RIO_EISA_CFG_PROCRUN 0x08 /* Processor running, else reset */ -#define RIO_EISA_CFG_IRQMASK 0xF0 /* Interrupt mask */ -#define RIO_EISA_CFG_IRQ15 0xF0 /* Interrupt Level 15 */ -#define RIO_EISA_CFG_IRQ14 0xE0 /* Interrupt Level 14 */ -#define RIO_EISA_CFG_IRQ12 0xC0 /* Interrupt Level 12 */ -#define RIO_EISA_CFG_IRQ11 0xB0 /* Interrupt Level 11 */ -#define RIO_EISA_CFG_IRQ10 0xA0 /* Interrupt Level 10 */ -#define RIO_EISA_CFG_IRQ9 0x90 /* Interrupt Level 9 */ -#define RIO_EISA_CFG_IRQ7 0x70 /* Interrupt Level 7 */ -#define RIO_EISA_CFG_IRQ6 0x60 /* Interrupt Level 6 */ -#define RIO_EISA_CFG_IRQ5 0x50 /* Interrupt Level 5 */ -#define RIO_EISA_CFG_IRQ4 0x40 /* Interrupt Level 4 */ -#define RIO_EISA_CFG_IRQ3 0x30 /* Interrupt Level 3 */ +#define RIO_EISA_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_EISA_CFG_LINK20 0x02 /* 20Mbps link, else 10Mbps */ +#define RIO_EISA_CFG_BUSENABLE 0x04 /* Enable processor bus */ +#define RIO_EISA_CFG_PROCRUN 0x08 /* Processor running, else reset */ +#define RIO_EISA_CFG_IRQMASK 0xF0 /* Interrupt mask */ +#define RIO_EISA_CFG_IRQ15 0xF0 /* Interrupt Level 15 */ +#define RIO_EISA_CFG_IRQ14 0xE0 /* Interrupt Level 14 */ +#define RIO_EISA_CFG_IRQ12 0xC0 /* Interrupt Level 12 */ +#define RIO_EISA_CFG_IRQ11 0xB0 /* Interrupt Level 11 */ +#define RIO_EISA_CFG_IRQ10 0xA0 /* Interrupt Level 10 */ +#define RIO_EISA_CFG_IRQ9 0x90 /* Interrupt Level 9 */ +#define RIO_EISA_CFG_IRQ7 0x70 /* Interrupt Level 7 */ +#define RIO_EISA_CFG_IRQ6 0x60 /* Interrupt Level 6 */ +#define RIO_EISA_CFG_IRQ5 0x50 /* Interrupt Level 5 */ +#define RIO_EISA_CFG_IRQ4 0x40 /* Interrupt Level 4 */ +#define RIO_EISA_CFG_IRQ3 0x30 /* Interrupt Level 3 */ /***************************************************************************** ******************************** ******************************** @@ -224,20 +224,20 @@ /* Control Register Definitions... */ #define RIO_SBUS_IDENT "JBPGK#\0\0\0\0\0\0\0\0\0\0" -#define RIO_SBUS_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_SBUS_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_SBUS_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ -#define RIO_SBUS_CFG_IRQMASK 0x38 /* Interrupt mask */ -#define RIO_SBUS_CFG_IRQNONE 0x00 /* No Interrupt */ -#define RIO_SBUS_CFG_IRQ7 0x38 /* Interrupt Level 7 */ -#define RIO_SBUS_CFG_IRQ6 0x30 /* Interrupt Level 6 */ -#define RIO_SBUS_CFG_IRQ5 0x28 /* Interrupt Level 5 */ -#define RIO_SBUS_CFG_IRQ4 0x20 /* Interrupt Level 4 */ -#define RIO_SBUS_CFG_IRQ3 0x18 /* Interrupt Level 3 */ -#define RIO_SBUS_CFG_IRQ2 0x10 /* Interrupt Level 2 */ -#define RIO_SBUS_CFG_IRQ1 0x08 /* Interrupt Level 1 */ -#define RIO_SBUS_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ -#define RIO_SBUS_CFG_PROC25 0x80 /* 25Mhz processor clock, else 20Mhz */ +#define RIO_SBUS_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_SBUS_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_SBUS_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ +#define RIO_SBUS_CFG_IRQMASK 0x38 /* Interrupt mask */ +#define RIO_SBUS_CFG_IRQNONE 0x00 /* No Interrupt */ +#define RIO_SBUS_CFG_IRQ7 0x38 /* Interrupt Level 7 */ +#define RIO_SBUS_CFG_IRQ6 0x30 /* Interrupt Level 6 */ +#define RIO_SBUS_CFG_IRQ5 0x28 /* Interrupt Level 5 */ +#define RIO_SBUS_CFG_IRQ4 0x20 /* Interrupt Level 4 */ +#define RIO_SBUS_CFG_IRQ3 0x18 /* Interrupt Level 3 */ +#define RIO_SBUS_CFG_IRQ2 0x10 /* Interrupt Level 2 */ +#define RIO_SBUS_CFG_IRQ1 0x08 /* Interrupt Level 1 */ +#define RIO_SBUS_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ +#define RIO_SBUS_CFG_PROC25 0x80 /* 25Mhz processor clock, else 20Mhz */ /***************************************************************************** ********************************* ******************************** @@ -248,18 +248,18 @@ /* Control Register Definitions... */ #define RIO_PCI_IDENT "ECDDPGJGJHJRGSK#" -#define RIO_PCI_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ -#define RIO_PCI_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_PCI_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ -#define RIO_PCI_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ -#define RIO_PCI_CFG_PROC25 0x80 /* 25Mhz processor clock, else 20Mhz */ +#define RIO_PCI_CFG_BOOTRAM 0x01 /* Boot from RAM, else Link */ +#define RIO_PCI_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_PCI_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ +#define RIO_PCI_CFG_LINK20 0x40 /* 20Mbps link, else 10Mbps */ +#define RIO_PCI_CFG_PROC25 0x80 /* 25Mhz processor clock, else 20Mhz */ /* PCI Definitions... */ -#define SPX_VENDOR_ID 0x11CB /* Assigned by the PCI SIG */ -#define SPX_DEVICE_ID 0x8000 /* RIO bridge boards */ -#define SPX_PLXDEVICE_ID 0x2000 /* PLX bridge boards */ +#define SPX_VENDOR_ID 0x11CB /* Assigned by the PCI SIG */ +#define SPX_DEVICE_ID 0x8000 /* RIO bridge boards */ +#define SPX_PLXDEVICE_ID 0x2000 /* PLX bridge boards */ #define SPX_SUB_VENDOR_ID SPX_VENDOR_ID /* Same as vendor id */ -#define RIO_SUB_SYS_ID 0x0800 /* RIO PCI board */ +#define RIO_SUB_SYS_ID 0x0800 /* RIO PCI board */ /***************************************************************************** ***************************** ****************************** @@ -270,11 +270,11 @@ /* Control Register Definitions... */ #define RIO_PCI2_IDENT "JET HOST BY KEV#" -#define RIO_PCI2_CFG_BUSENABLE 0x02 /* Enable processor bus */ -#define RIO_PCI2_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ +#define RIO_PCI2_CFG_BUSENABLE 0x02 /* Enable processor bus */ +#define RIO_PCI2_CFG_INTENABLE 0x04 /* Interrupt enable, else disable */ /* PCI Definitions... */ -#define RIO2_SUB_SYS_ID 0x0100 /* RIO (Jet) PCI board */ +#define RIO2_SUB_SYS_ID 0x0100 /* RIO (Jet) PCI board */ #endif /*_rioboard_h */ diff --git a/drivers/char/rio/rioboot.c b/drivers/char/rio/rioboot.c index 34cbb13aad4..92df43552f1 100644 --- a/drivers/char/rio/rioboot.c +++ b/drivers/char/rio/rioboot.c @@ -665,13 +665,6 @@ struct PKT *PacketP; struct CmdBlk *CmdBlkP; uint sequence; -#ifdef CHECK - CheckHost(Host); - CheckRup(Rup); - CheckHostP(HostP); - CheckPacketP(PacketP); -#endif - /* ** If we haven't been told what to boot, we can't boot it. */ @@ -956,11 +949,6 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st MyType = "RTA"; MyName = HostP->Mapping[Rup].Name; } -#ifdef CHECK - CheckString(MyType); - CheckString(MyName); -#endif - MyLink = RBYTE(PktCmdP->LinkNum); /* @@ -1309,52 +1297,3 @@ struct Host *HostP; } } -#if 0 -/* - Function: This function is to disable the disk interrupt - Returns : Nothing -*/ -void -disable_interrupt(vector) -int vector; -{ - int ps; - int val; - - disable(ps); - if (vector > 40) { - val = 1 << (vector - 40); - __outb(S8259+1, __inb(S8259+1) | val); - } - else { - val = 1 << (vector - 32); - __outb(M8259+1, __inb(M8259+1) | val); - } - restore(ps); -} - -/* - Function: This function is to enable the disk interrupt - Returns : Nothing -*/ -void -enable_interrupt(vector) -int vector; -{ - int ps; - int val; - - disable(ps); - if (vector > 40) { - val = 1 << (vector - 40); - val = ~val; - __outb(S8259+1, __inb(S8259+1) & val); - } - else { - val = 1 << (vector - 32); - val = ~val; - __outb(M8259+1, __inb(M8259+1) & val); - } - restore(ps); -} -#endif diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c index 533085ec6f1..694bfb9d937 100644 --- a/drivers/char/rio/riocmd.c +++ b/drivers/char/rio/riocmd.c @@ -83,102 +83,98 @@ static char *_riocmd_c_sccs_ = "@(#)riocmd.c 1.2"; static struct IdentifyRta IdRta; static struct KillNeighbour KillUnit; -int -RIOFoadRta(struct Host *HostP, struct Map *MapP) +int RIOFoadRta(struct Host *HostP, struct Map *MapP) { struct CmdBlk *CmdBlkP; - rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA\n"); + rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA\n"); CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA: GetCmdBlk failed\n"); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA: GetCmdBlk failed\n"); return -ENXIO; } CmdBlkP->Packet.dest_unit = MapP->ID; CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_unit = 0; - CmdBlkP->Packet.src_port = BOOT_RUP; - CmdBlkP->Packet.len = 0x84; - CmdBlkP->Packet.data[0] = IFOAD; - CmdBlkP->Packet.data[1] = 0; - CmdBlkP->Packet.data[2] = IFOAD_MAGIC & 0xFF; - CmdBlkP->Packet.data[3] = (IFOAD_MAGIC >> 8) & 0xFF; - - if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "FOAD RTA: Failed to queue foad command\n"); + CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_port = BOOT_RUP; + CmdBlkP->Packet.len = 0x84; + CmdBlkP->Packet.data[0] = IFOAD; + CmdBlkP->Packet.data[1] = 0; + CmdBlkP->Packet.data[2] = IFOAD_MAGIC & 0xFF; + CmdBlkP->Packet.data[3] = (IFOAD_MAGIC >> 8) & 0xFF; + + if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "FOAD RTA: Failed to queue foad command\n"); return -EIO; } return 0; } -int -RIOZombieRta(struct Host *HostP, struct Map *MapP) +int RIOZombieRta(struct Host *HostP, struct Map *MapP) { struct CmdBlk *CmdBlkP; - rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA\n"); + rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA\n"); CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA: GetCmdBlk failed\n"); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA: GetCmdBlk failed\n"); return -ENXIO; } CmdBlkP->Packet.dest_unit = MapP->ID; CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_unit = 0; - CmdBlkP->Packet.src_port = BOOT_RUP; - CmdBlkP->Packet.len = 0x84; - CmdBlkP->Packet.data[0] = ZOMBIE; - CmdBlkP->Packet.data[1] = 0; - CmdBlkP->Packet.data[2] = ZOMBIE_MAGIC & 0xFF; - CmdBlkP->Packet.data[3] = (ZOMBIE_MAGIC >> 8) & 0xFF; - - if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "ZOMBIE RTA: Failed to queue zombie command\n"); + CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_port = BOOT_RUP; + CmdBlkP->Packet.len = 0x84; + CmdBlkP->Packet.data[0] = ZOMBIE; + CmdBlkP->Packet.data[1] = 0; + CmdBlkP->Packet.data[2] = ZOMBIE_MAGIC & 0xFF; + CmdBlkP->Packet.data[3] = (ZOMBIE_MAGIC >> 8) & 0xFF; + + if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "ZOMBIE RTA: Failed to queue zombie command\n"); return -EIO; } return 0; } -int -RIOCommandRta(struct rio_info *p, uint RtaUnique, - int (* func)(struct Host *HostP, struct Map *MapP)) +int RIOCommandRta(struct rio_info *p, uint RtaUnique, int (*func) (struct Host * HostP, struct Map * MapP)) { uint Host; - rio_dprintk (RIO_DEBUG_CMD, "Command RTA 0x%x func 0x%x\n", RtaUnique, (int)func); + rio_dprintk(RIO_DEBUG_CMD, "Command RTA 0x%x func 0x%x\n", RtaUnique, (int) func); - if ( !RtaUnique ) - return(0); + if (!RtaUnique) + return (0); - for ( Host = 0; Host < p->RIONumHosts; Host++ ) { + for (Host = 0; Host < p->RIONumHosts; Host++) { uint Rta; struct Host *HostP = &p->RIOHosts[Host]; - for ( Rta = 0; Rta < RTAS_PER_HOST; Rta++ ) { + for (Rta = 0; Rta < RTAS_PER_HOST; Rta++) { struct Map *MapP = &HostP->Mapping[Rta]; - if ( MapP->RtaUniqueNum == RtaUnique ) { + if (MapP->RtaUniqueNum == RtaUnique) { uint Link; /* - ** now, lets just check we have a route to it... - ** IF the routing stuff is working, then one of the - ** topology entries for this unit will have a legit - ** route *somewhere*. We care not where - if its got - ** any connections, we can get to it. - */ - for ( Link = 0; Link < LINKS_PER_UNIT; Link++ ) { - if ( MapP->Topology[Link].Unit <= (uchar)MAX_RUP ) { + ** now, lets just check we have a route to it... + ** IF the routing stuff is working, then one of the + ** topology entries for this unit will have a legit + ** route *somewhere*. We care not where - if its got + ** any connections, we can get to it. + */ + for (Link = 0; Link < LINKS_PER_UNIT; Link++) { + if (MapP->Topology[Link].Unit <= (uchar) MAX_RUP) { /* - ** Its worth trying the operation... - */ - return (*func)( HostP, MapP ); + ** Its worth trying the operation... + */ + return (*func) (HostP, MapP); } } } @@ -188,60 +184,59 @@ RIOCommandRta(struct rio_info *p, uint RtaUnique, } -int -RIOIdentifyRta(struct rio_info *p, caddr_t arg) +int RIOIdentifyRta(struct rio_info *p, caddr_t arg) { uint Host; - if ( copyin( (int)arg, (caddr_t)&IdRta, sizeof(IdRta) ) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "RIO_IDENTIFY_RTA copy failed\n"); + if (copyin((int) arg, (caddr_t) & IdRta, sizeof(IdRta)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CMD, "RIO_IDENTIFY_RTA copy failed\n"); p->RIOError.Error = COPYIN_FAILED; return -EFAULT; } - for ( Host = 0 ; Host < p->RIONumHosts; Host++ ) { + for (Host = 0; Host < p->RIONumHosts; Host++) { uint Rta; struct Host *HostP = &p->RIOHosts[Host]; - for ( Rta = 0; Rta < RTAS_PER_HOST; Rta++ ) { + for (Rta = 0; Rta < RTAS_PER_HOST; Rta++) { struct Map *MapP = &HostP->Mapping[Rta]; - if ( MapP->RtaUniqueNum == IdRta.RtaUnique ) { + if (MapP->RtaUniqueNum == IdRta.RtaUnique) { uint Link; /* - ** now, lets just check we have a route to it... - ** IF the routing stuff is working, then one of the - ** topology entries for this unit will have a legit - ** route *somewhere*. We care not where - if its got - ** any connections, we can get to it. - */ - for ( Link = 0; Link < LINKS_PER_UNIT; Link++ ) { - if ( MapP->Topology[Link].Unit <= (uchar)MAX_RUP ) { + ** now, lets just check we have a route to it... + ** IF the routing stuff is working, then one of the + ** topology entries for this unit will have a legit + ** route *somewhere*. We care not where - if its got + ** any connections, we can get to it. + */ + for (Link = 0; Link < LINKS_PER_UNIT; Link++) { + if (MapP->Topology[Link].Unit <= (uchar) MAX_RUP) { /* - ** Its worth trying the operation... - */ + ** Its worth trying the operation... + */ struct CmdBlk *CmdBlkP; - rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA\n"); + rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA\n"); CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA: GetCmdBlk failed\n"); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA: GetCmdBlk failed\n"); return -ENXIO; } - + CmdBlkP->Packet.dest_unit = MapP->ID; CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_unit = 0; - CmdBlkP->Packet.src_port = BOOT_RUP; - CmdBlkP->Packet.len = 0x84; - CmdBlkP->Packet.data[0] = IDENTIFY; - CmdBlkP->Packet.data[1] = 0; - CmdBlkP->Packet.data[2] = IdRta.ID; - - if ( RIOQueueCmdBlk( HostP, MapP->ID-1, CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "IDENTIFY RTA: Failed to queue command\n"); + CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_port = BOOT_RUP; + CmdBlkP->Packet.len = 0x84; + CmdBlkP->Packet.data[0] = IDENTIFY; + CmdBlkP->Packet.data[1] = 0; + CmdBlkP->Packet.data[2] = IdRta.ID; + + if (RIOQueueCmdBlk(HostP, MapP->ID - 1, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "IDENTIFY RTA: Failed to queue command\n"); return -EIO; } return 0; @@ -249,114 +244,110 @@ RIOIdentifyRta(struct rio_info *p, caddr_t arg) } } } - } + } return -ENOENT; } -int -RIOKillNeighbour(struct rio_info *p, caddr_t arg) +int RIOKillNeighbour(struct rio_info *p, caddr_t arg) { uint Host; uint ID; struct Host *HostP; struct CmdBlk *CmdBlkP; - rio_dprintk (RIO_DEBUG_CMD, "KILL HOST NEIGHBOUR\n"); + rio_dprintk(RIO_DEBUG_CMD, "KILL HOST NEIGHBOUR\n"); - if ( copyin( (int)arg, (caddr_t)&KillUnit, sizeof(KillUnit) ) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "RIO_KILL_NEIGHBOUR copy failed\n"); + if (copyin((int) arg, (caddr_t) & KillUnit, sizeof(KillUnit)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CMD, "RIO_KILL_NEIGHBOUR copy failed\n"); p->RIOError.Error = COPYIN_FAILED; return -EFAULT; } - if ( KillUnit.Link > 3 ) + if (KillUnit.Link > 3) return -ENXIO; - + CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CMD, "UFOAD: GetCmdBlk failed\n"); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CMD, "UFOAD: GetCmdBlk failed\n"); return -ENXIO; } CmdBlkP->Packet.dest_unit = 0; - CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_unit = 0; CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_port = BOOT_RUP; - CmdBlkP->Packet.len = 0x84; - CmdBlkP->Packet.data[0] = UFOAD; - CmdBlkP->Packet.data[1] = KillUnit.Link; - CmdBlkP->Packet.data[2] = UFOAD_MAGIC & 0xFF; - CmdBlkP->Packet.data[3] = (UFOAD_MAGIC >> 8) & 0xFF; - - for ( Host = 0; Host < p->RIONumHosts; Host++ ) { + CmdBlkP->Packet.src_port = BOOT_RUP; + CmdBlkP->Packet.len = 0x84; + CmdBlkP->Packet.data[0] = UFOAD; + CmdBlkP->Packet.data[1] = KillUnit.Link; + CmdBlkP->Packet.data[2] = UFOAD_MAGIC & 0xFF; + CmdBlkP->Packet.data[3] = (UFOAD_MAGIC >> 8) & 0xFF; + + for (Host = 0; Host < p->RIONumHosts; Host++) { ID = 0; HostP = &p->RIOHosts[Host]; - if ( HostP->UniqueNum == KillUnit.UniqueNum ) { - if ( RIOQueueCmdBlk( HostP, RTAS_PER_HOST+KillUnit.Link, - CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "UFOAD: Failed queue command\n"); + if (HostP->UniqueNum == KillUnit.UniqueNum) { + if (RIOQueueCmdBlk(HostP, RTAS_PER_HOST + KillUnit.Link, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "UFOAD: Failed queue command\n"); return -EIO; } return 0; } - for ( ID=0; ID < RTAS_PER_HOST; ID++ ) { - if ( HostP->Mapping[ID].RtaUniqueNum == KillUnit.UniqueNum ) { - CmdBlkP->Packet.dest_unit = ID+1; - if ( RIOQueueCmdBlk( HostP, ID, CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "UFOAD: Failed queue command\n"); + for (ID = 0; ID < RTAS_PER_HOST; ID++) { + if (HostP->Mapping[ID].RtaUniqueNum == KillUnit.UniqueNum) { + CmdBlkP->Packet.dest_unit = ID + 1; + if (RIOQueueCmdBlk(HostP, ID, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "UFOAD: Failed queue command\n"); return -EIO; } return 0; } } } - RIOFreeCmdBlk( CmdBlkP ); + RIOFreeCmdBlk(CmdBlkP); return -ENXIO; } -int -RIOSuspendBootRta(struct Host *HostP, int ID, int Link) +int RIOSuspendBootRta(struct Host *HostP, int ID, int Link) { struct CmdBlk *CmdBlkP; - rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA ID %d, link %c\n", ID, 'A' + Link); + rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA ID %d, link %c\n", ID, 'A' + Link); CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: GetCmdBlk failed\n"); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: GetCmdBlk failed\n"); return -ENXIO; } CmdBlkP->Packet.dest_unit = ID; CmdBlkP->Packet.dest_port = BOOT_RUP; - CmdBlkP->Packet.src_unit = 0; - CmdBlkP->Packet.src_port = BOOT_RUP; - CmdBlkP->Packet.len = 0x84; - CmdBlkP->Packet.data[0] = IWAIT; - CmdBlkP->Packet.data[1] = Link; - CmdBlkP->Packet.data[2] = IWAIT_MAGIC & 0xFF; - CmdBlkP->Packet.data[3] = (IWAIT_MAGIC >> 8) & 0xFF; - - if ( RIOQueueCmdBlk( HostP, ID - 1, CmdBlkP) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: Failed to queue iwait command\n"); + CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_port = BOOT_RUP; + CmdBlkP->Packet.len = 0x84; + CmdBlkP->Packet.data[0] = IWAIT; + CmdBlkP->Packet.data[1] = Link; + CmdBlkP->Packet.data[2] = IWAIT_MAGIC & 0xFF; + CmdBlkP->Packet.data[3] = (IWAIT_MAGIC >> 8) & 0xFF; + + if (RIOQueueCmdBlk(HostP, ID - 1, CmdBlkP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CMD, "SUSPEND BOOT ON RTA: Failed to queue iwait command\n"); return -EIO; } return 0; } -int -RIOFoadWakeup(struct rio_info *p) +int RIOFoadWakeup(struct rio_info *p) { int port; register struct Port *PortP; unsigned long flags; - for ( port=0; port<RIO_PORTS; port++) { + for (port = 0; port < RIO_PORTS; port++) { PortP = p->RIOPortp[port]; rio_spin_lock_irqsave(&PortP->portSem, flags); @@ -377,16 +368,15 @@ RIOFoadWakeup(struct rio_info *p) PortP->TxBufferOut = 0; rio_spin_unlock_irqrestore(&PortP->portSem, flags); } - return(0); + return (0); } /* ** Incoming command on the COMMAND_RUP to be processed. */ -static int -RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP) +static int RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT * PacketP) { - struct PktCmd *PktCmdP = (struct PktCmd *)PacketP->data; + struct PktCmd *PktCmdP = (struct PktCmd *) PacketP->data; struct Port *PortP; struct UnixRup *UnixRupP; ushort SysPort; @@ -395,128 +385,101 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP) ushort subCommand; unsigned long flags; - func_enter (); - -#ifdef CHECK - CheckHost( Host ); - CheckHostP( HostP ); - CheckPacketP( PacketP ); -#endif + func_enter(); /* - ** 16 port RTA note: - ** Command rup packets coming from the RTA will have pkt->data[1] (which - ** translates to PktCmdP->PhbNum) set to the host port number for the - ** particular unit. To access the correct BaseSysPort for a 16 port RTA, - ** we can use PhbNum to get the rup number for the appropriate 8 port - ** block (for the first block, this should be equal to 'Rup'). - */ - rup = RBYTE(PktCmdP->PhbNum) / (ushort)PORTS_PER_RTA; + ** 16 port RTA note: + ** Command rup packets coming from the RTA will have pkt->data[1] (which + ** translates to PktCmdP->PhbNum) set to the host port number for the + ** particular unit. To access the correct BaseSysPort for a 16 port RTA, + ** we can use PhbNum to get the rup number for the appropriate 8 port + ** block (for the first block, this should be equal to 'Rup'). + */ + rup = RBYTE(PktCmdP->PhbNum) / (ushort) PORTS_PER_RTA; UnixRupP = &HostP->UnixRups[rup]; - SysPort = UnixRupP->BaseSysPort + - (RBYTE(PktCmdP->PhbNum) % (ushort)PORTS_PER_RTA); - rio_dprintk (RIO_DEBUG_CMD, "Command on rup %d, port %d\n", rup, SysPort); + SysPort = UnixRupP->BaseSysPort + (RBYTE(PktCmdP->PhbNum) % (ushort) PORTS_PER_RTA); + rio_dprintk(RIO_DEBUG_CMD, "Command on rup %d, port %d\n", rup, SysPort); -#ifdef CHECK - CheckRup( rup ); - CheckUnixRupP( UnixRupP ); -#endif - if ( UnixRupP->BaseSysPort == NO_PORT ) { - rio_dprintk (RIO_DEBUG_CMD, "OBSCURE ERROR!\n"); - rio_dprintk (RIO_DEBUG_CMD, "Diagnostics follow. Please WRITE THESE DOWN and report them to Specialix Technical Support\n"); - rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: Host number %d, name ``%s''\n", - HostP-p->RIOHosts, HostP->Name ); - rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: Rup number 0x%x\n", rup); - - if ( Rup >= (ushort)MAX_RUP ) { - rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: This is the RUP for RTA ``%s''\n", - HostP->Mapping[Rup].Name); + if (UnixRupP->BaseSysPort == NO_PORT) { + rio_dprintk(RIO_DEBUG_CMD, "OBSCURE ERROR!\n"); + rio_dprintk(RIO_DEBUG_CMD, "Diagnostics follow. Please WRITE THESE DOWN and report them to Specialix Technical Support\n"); + rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: Host number %d, name ``%s''\n", HostP - p->RIOHosts, HostP->Name); + rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: Rup number 0x%x\n", rup); + + if (Rup >= (ushort) MAX_RUP) { + rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: This is the RUP for RTA ``%s''\n", HostP->Mapping[Rup].Name); } else - rio_dprintk (RIO_DEBUG_CMD, "CONTROL information: This is the RUP for link ``%c'' of host ``%s''\n", - ('A' + Rup - MAX_RUP), HostP->Name); - - rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Destination 0x%x:0x%x\n", - PacketP->dest_unit, PacketP->dest_port ); - rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Source 0x%x:0x%x\n", - PacketP->src_unit, PacketP->src_port ); - rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Length 0x%x (%d)\n", PacketP->len,PacketP->len ); - rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Control 0x%x (%d)\n", PacketP->control, PacketP->control); - rio_dprintk (RIO_DEBUG_CMD, "PACKET information: Check 0x%x (%d)\n", PacketP->csum, PacketP->csum ); - rio_dprintk (RIO_DEBUG_CMD, "COMMAND information: Host Port Number 0x%x, " - "Command Code 0x%x\n", PktCmdP->PhbNum, PktCmdP->Command ); + rio_dprintk(RIO_DEBUG_CMD, "CONTROL information: This is the RUP for link ``%c'' of host ``%s''\n", ('A' + Rup - MAX_RUP), HostP->Name); + + rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Destination 0x%x:0x%x\n", PacketP->dest_unit, PacketP->dest_port); + rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Source 0x%x:0x%x\n", PacketP->src_unit, PacketP->src_port); + rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Length 0x%x (%d)\n", PacketP->len, PacketP->len); + rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Control 0x%x (%d)\n", PacketP->control, PacketP->control); + rio_dprintk(RIO_DEBUG_CMD, "PACKET information: Check 0x%x (%d)\n", PacketP->csum, PacketP->csum); + rio_dprintk(RIO_DEBUG_CMD, "COMMAND information: Host Port Number 0x%x, " "Command Code 0x%x\n", PktCmdP->PhbNum, PktCmdP->Command); return TRUE; } - -#ifdef CHECK - CheckSysPort( SysPort ); -#endif - PortP = p->RIOPortp[ SysPort ]; + PortP = p->RIOPortp[SysPort]; rio_spin_lock_irqsave(&PortP->portSem, flags); - switch( RBYTE(PktCmdP->Command) ) { - case BREAK_RECEIVED: - rio_dprintk (RIO_DEBUG_CMD, "Received a break!\n"); - /* If the current line disc. is not multi-threading and - the current processor is not the default, reset rup_intr - and return FALSE to ensure that the command packet is - not freed. */ - /* Call tmgr HANGUP HERE */ - /* Fix this later when every thing works !!!! RAMRAJ */ - gs_got_break (&PortP->gs); + switch (RBYTE(PktCmdP->Command)) { + case BREAK_RECEIVED: + rio_dprintk(RIO_DEBUG_CMD, "Received a break!\n"); + /* If the current line disc. is not multi-threading and + the current processor is not the default, reset rup_intr + and return FALSE to ensure that the command packet is + not freed. */ + /* Call tmgr HANGUP HERE */ + /* Fix this later when every thing works !!!! RAMRAJ */ + gs_got_break(&PortP->gs); + break; + + case COMPLETE: + rio_dprintk(RIO_DEBUG_CMD, "Command complete on phb %d host %d\n", RBYTE(PktCmdP->PhbNum), HostP - p->RIOHosts); + subCommand = 1; + switch (RBYTE(PktCmdP->SubCommand)) { + case MEMDUMP: + rio_dprintk(RIO_DEBUG_CMD, "Memory dump cmd (0x%x) from addr 0x%x\n", RBYTE(PktCmdP->SubCommand), RWORD(PktCmdP->SubAddr)); break; + case READ_REGISTER: + rio_dprintk(RIO_DEBUG_CMD, "Read register (0x%x)\n", RWORD(PktCmdP->SubAddr)); + p->CdRegister = (RBYTE(PktCmdP->ModemStatus) & MSVR1_HOST); + break; + default: + subCommand = 0; + break; + } + if (subCommand) + break; + rio_dprintk(RIO_DEBUG_CMD, "New status is 0x%x was 0x%x\n", RBYTE(PktCmdP->PortStatus), PortP->PortState); + if (PortP->PortState != RBYTE(PktCmdP->PortStatus)) { + rio_dprintk(RIO_DEBUG_CMD, "Mark status & wakeup\n"); + PortP->PortState = RBYTE(PktCmdP->PortStatus); + /* What should we do here ... + wakeup( &PortP->PortState ); + */ + } else + rio_dprintk(RIO_DEBUG_CMD, "No change\n"); - case COMPLETE: - rio_dprintk (RIO_DEBUG_CMD, "Command complete on phb %d host %d\n", - RBYTE(PktCmdP->PhbNum), HostP-p->RIOHosts); - subCommand = 1; - switch (RBYTE(PktCmdP->SubCommand)) { - case MEMDUMP : - rio_dprintk (RIO_DEBUG_CMD, "Memory dump cmd (0x%x) from addr 0x%x\n", - RBYTE(PktCmdP->SubCommand), RWORD(PktCmdP->SubAddr)); - break; - case READ_REGISTER : - rio_dprintk (RIO_DEBUG_CMD, "Read register (0x%x)\n", RWORD(PktCmdP->SubAddr)); - p->CdRegister = (RBYTE(PktCmdP->ModemStatus) & MSVR1_HOST); - break; - default : - subCommand = 0; - break; - } - if (subCommand) - break; - rio_dprintk (RIO_DEBUG_CMD, "New status is 0x%x was 0x%x\n", - RBYTE(PktCmdP->PortStatus),PortP->PortState); - if (PortP->PortState != RBYTE(PktCmdP->PortStatus)) { - rio_dprintk (RIO_DEBUG_CMD, "Mark status & wakeup\n"); - PortP->PortState = RBYTE(PktCmdP->PortStatus); - /* What should we do here ... - wakeup( &PortP->PortState ); - */ - } else - rio_dprintk (RIO_DEBUG_CMD, "No change\n"); - - /* FALLTHROUGH */ - case MODEM_STATUS: + /* FALLTHROUGH */ + case MODEM_STATUS: + /* + ** Knock out the tbusy and tstop bits, as these are not relevant + ** to the check for modem status change (they're just there because + ** it's a convenient place to put them!). + */ + ReportedModemStatus = RBYTE(PktCmdP->ModemStatus); + if ((PortP->ModemState & MSVR1_HOST) == (ReportedModemStatus & MSVR1_HOST)) { + rio_dprintk(RIO_DEBUG_CMD, "Modem status unchanged 0x%x\n", PortP->ModemState); /* - ** Knock out the tbusy and tstop bits, as these are not relevant - ** to the check for modem status change (they're just there because - ** it's a convenient place to put them!). - */ - ReportedModemStatus = RBYTE(PktCmdP->ModemStatus); - if ((PortP->ModemState & MSVR1_HOST) == - (ReportedModemStatus & MSVR1_HOST)) { - rio_dprintk (RIO_DEBUG_CMD, "Modem status unchanged 0x%x\n", PortP->ModemState); - /* - ** Update ModemState just in case tbusy or tstop states have - ** changed. - */ - PortP->ModemState = ReportedModemStatus; - } - else { - rio_dprintk (RIO_DEBUG_CMD, "Modem status change from 0x%x to 0x%x\n", - PortP->ModemState, ReportedModemStatus); - PortP->ModemState = ReportedModemStatus; + ** Update ModemState just in case tbusy or tstop states have + ** changed. + */ + PortP->ModemState = ReportedModemStatus; + } else { + rio_dprintk(RIO_DEBUG_CMD, "Modem status change from 0x%x to 0x%x\n", PortP->ModemState, ReportedModemStatus); + PortP->ModemState = ReportedModemStatus; #ifdef MODEM_SUPPORT - if ( PortP->Mapped ) { + if (PortP->Mapped) { /***********************************************************\ ************************************************************* *** *** @@ -525,68 +488,67 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP) ************************************************************* \***********************************************************/ /* - ** If the device is a modem, then check the modem - ** carrier. - */ + ** If the device is a modem, then check the modem + ** carrier. + */ if (PortP->gs.tty == NULL) break; if (PortP->gs.tty->termios == NULL) break; - - if (!(PortP->gs.tty->termios->c_cflag & CLOCAL) && - ((PortP->State & (RIO_MOPEN|RIO_WOPEN)))) { - rio_dprintk (RIO_DEBUG_CMD, "Is there a Carrier?\n"); - /* - ** Is there a carrier? - */ - if ( PortP->ModemState & MSVR1_CD ) { - /* - ** Has carrier just appeared? - */ + if (!(PortP->gs.tty->termios->c_cflag & CLOCAL) && ((PortP->State & (RIO_MOPEN | RIO_WOPEN)))) { + + rio_dprintk(RIO_DEBUG_CMD, "Is there a Carrier?\n"); + /* + ** Is there a carrier? + */ + if (PortP->ModemState & MSVR1_CD) { + /* + ** Has carrier just appeared? + */ if (!(PortP->State & RIO_CARR_ON)) { - rio_dprintk (RIO_DEBUG_CMD, "Carrier just came up.\n"); + rio_dprintk(RIO_DEBUG_CMD, "Carrier just came up.\n"); PortP->State |= RIO_CARR_ON; - /* - ** wakeup anyone in WOPEN - */ - if (PortP->State & (PORT_ISOPEN | RIO_WOPEN) ) - wake_up_interruptible (&PortP->gs.open_wait); + /* + ** wakeup anyone in WOPEN + */ + if (PortP->State & (PORT_ISOPEN | RIO_WOPEN)) + wake_up_interruptible(&PortP->gs.open_wait); #ifdef STATS - PortP->Stat.ModemOnCnt++; + PortP->Stat.ModemOnCnt++; #endif - } + } } else { - /* - ** Has carrier just dropped? - */ + /* + ** Has carrier just dropped? + */ if (PortP->State & RIO_CARR_ON) { - if (PortP->State & (PORT_ISOPEN|RIO_WOPEN|RIO_MOPEN)) - tty_hangup (PortP->gs.tty); + if (PortP->State & (PORT_ISOPEN | RIO_WOPEN | RIO_MOPEN)) + tty_hangup(PortP->gs.tty); PortP->State &= ~RIO_CARR_ON; - rio_dprintk (RIO_DEBUG_CMD, "Carrirer just went down\n"); + rio_dprintk(RIO_DEBUG_CMD, "Carrirer just went down\n"); #ifdef STATS - PortP->Stat.ModemOffCnt++; + PortP->Stat.ModemOffCnt++; #endif + } + } + } } - } - } - } #endif - } - break; + } + break; - default: - rio_dprintk (RIO_DEBUG_CMD, "Unknown command %d on CMD_RUP of host %d\n", - RBYTE(PktCmdP->Command),HostP-p->RIOHosts); - break; + default: + rio_dprintk(RIO_DEBUG_CMD, "Unknown command %d on CMD_RUP of host %d\n", RBYTE(PktCmdP->Command), HostP - p->RIOHosts); + break; } rio_spin_unlock_irqrestore(&PortP->portSem, flags); - func_exit (); + func_exit(); return TRUE; } + /* ** The command mechanism: ** Each rup has a chain of commands associated with it. @@ -600,12 +562,11 @@ RIOCommandRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP) /* ** Allocate an empty command block. */ -struct CmdBlk * -RIOGetCmdBlk(void) +struct CmdBlk *RIOGetCmdBlk(void) { struct CmdBlk *CmdBlkP; - CmdBlkP = (struct CmdBlk *)sysbrk(sizeof(struct CmdBlk)); + CmdBlkP = (struct CmdBlk *) sysbrk(sizeof(struct CmdBlk)); if (CmdBlkP) bzero(CmdBlkP, sizeof(struct CmdBlk)); @@ -615,31 +576,24 @@ RIOGetCmdBlk(void) /* ** Return a block to the head of the free list. */ -void -RIOFreeCmdBlk(struct CmdBlk *CmdBlkP) +void RIOFreeCmdBlk(struct CmdBlk *CmdBlkP) { - sysfree((void *)CmdBlkP, sizeof(struct CmdBlk)); + sysfree((void *) CmdBlkP, sizeof(struct CmdBlk)); } /* ** attach a command block to the list of commands to be performed for ** a given rup. */ -int -RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP) +int RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP) { struct CmdBlk **Base; struct UnixRup *UnixRupP; unsigned long flags; -#ifdef CHECK - CheckHostP( HostP ); - CheckRup( Rup ); - CheckCmdBlkP( CmdBlkP ); -#endif - if ( Rup >= (ushort)(MAX_RUP+LINKS_PER_UNIT) ) { - rio_dprintk (RIO_DEBUG_CMD, "Illegal rup number %d in RIOQueueCmdBlk\n",Rup); - RIOFreeCmdBlk( CmdBlkP ); + if (Rup >= (ushort) (MAX_RUP + LINKS_PER_UNIT)) { + rio_dprintk(RIO_DEBUG_CMD, "Illegal rup number %d in RIOQueueCmdBlk\n", Rup); + RIOFreeCmdBlk(CmdBlkP); return RIO_FAIL; } @@ -648,57 +602,52 @@ RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP) rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); /* - ** If the RUP is currently inactive, then put the request - ** straight on the RUP.... - */ - if ( (UnixRupP->CmdsWaitingP == NULL) && (UnixRupP->CmdPendingP == NULL) && - (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE ) && - (CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP)(CmdBlkP->PreArg,CmdBlkP) - :TRUE)) { - rio_dprintk (RIO_DEBUG_CMD, "RUP inactive-placing command straight on. Cmd byte is 0x%x\n", - CmdBlkP->Packet.data[0]); + ** If the RUP is currently inactive, then put the request + ** straight on the RUP.... + */ + if ((UnixRupP->CmdsWaitingP == NULL) && (UnixRupP->CmdPendingP == NULL) && (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE) && (CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP) (CmdBlkP->PreArg, CmdBlkP) + : TRUE)) { + rio_dprintk(RIO_DEBUG_CMD, "RUP inactive-placing command straight on. Cmd byte is 0x%x\n", CmdBlkP->Packet.data[0]); /* - ** Whammy! blat that pack! - */ - HostP->Copy( (caddr_t)&CmdBlkP->Packet, - RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt ), sizeof(PKT) ); + ** Whammy! blat that pack! + */ + HostP->Copy((caddr_t) & CmdBlkP->Packet, RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT)); /* - ** place command packet on the pending position. - */ + ** place command packet on the pending position. + */ UnixRupP->CmdPendingP = CmdBlkP; /* - ** set the command register - */ - WWORD(UnixRupP->RupP->txcontrol , TX_PACKET_READY); + ** set the command register + */ + WWORD(UnixRupP->RupP->txcontrol, TX_PACKET_READY); rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); return RIO_SUCCESS; } - rio_dprintk (RIO_DEBUG_CMD, "RUP active - en-queing\n"); + rio_dprintk(RIO_DEBUG_CMD, "RUP active - en-queing\n"); - if ( UnixRupP->CmdsWaitingP != NULL) - rio_dprintk (RIO_DEBUG_CMD, "Rup active - command waiting\n"); - if ( UnixRupP->CmdPendingP != NULL ) - rio_dprintk (RIO_DEBUG_CMD, "Rup active - command pending\n"); - if ( RWORD(UnixRupP->RupP->txcontrol) != TX_RUP_INACTIVE ) - rio_dprintk (RIO_DEBUG_CMD, "Rup active - command rup not ready\n"); + if (UnixRupP->CmdsWaitingP != NULL) + rio_dprintk(RIO_DEBUG_CMD, "Rup active - command waiting\n"); + if (UnixRupP->CmdPendingP != NULL) + rio_dprintk(RIO_DEBUG_CMD, "Rup active - command pending\n"); + if (RWORD(UnixRupP->RupP->txcontrol) != TX_RUP_INACTIVE) + rio_dprintk(RIO_DEBUG_CMD, "Rup active - command rup not ready\n"); Base = &UnixRupP->CmdsWaitingP; - rio_dprintk (RIO_DEBUG_CMD, "First try to queue cmdblk 0x%x at 0x%x\n", (int)CmdBlkP,(int)Base); + rio_dprintk(RIO_DEBUG_CMD, "First try to queue cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base); - while ( *Base ) { - rio_dprintk (RIO_DEBUG_CMD, "Command cmdblk 0x%x here\n", (int)(*Base)); + while (*Base) { + rio_dprintk(RIO_DEBUG_CMD, "Command cmdblk 0x%x here\n", (int) (*Base)); Base = &((*Base)->NextP); - rio_dprintk (RIO_DEBUG_CMD, "Now try to queue cmd cmdblk 0x%x at 0x%x\n", - (int)CmdBlkP,(int)Base); + rio_dprintk(RIO_DEBUG_CMD, "Now try to queue cmd cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base); } - rio_dprintk (RIO_DEBUG_CMD, "Will queue cmdblk 0x%x at 0x%x\n",(int)CmdBlkP,(int)Base); + rio_dprintk(RIO_DEBUG_CMD, "Will queue cmdblk 0x%x at 0x%x\n", (int) CmdBlkP, (int) Base); *Base = CmdBlkP; @@ -713,8 +662,7 @@ RIOQueueCmdBlk(struct Host *HostP, uint Rup, struct CmdBlk *CmdBlkP) ** Here we go - if there is an empty rup, fill it! ** must be called at splrio() or higher. */ -void -RIOPollHostCommands(struct rio_info *p, struct Host *HostP) +void RIOPollHostCommands(struct rio_info *p, struct Host *HostP) { register struct CmdBlk *CmdBlkP; register struct UnixRup *UnixRupP; @@ -723,262 +671,234 @@ RIOPollHostCommands(struct rio_info *p, struct Host *HostP) unsigned long flags; - Rup = MAX_RUP+LINKS_PER_UNIT; + Rup = MAX_RUP + LINKS_PER_UNIT; - do { /* do this loop for each RUP */ + do { /* do this loop for each RUP */ /* - ** locate the rup we are processing & lock it - */ + ** locate the rup we are processing & lock it + */ UnixRupP = &HostP->UnixRups[--Rup]; spin_lock_irqsave(&UnixRupP->RupLock, flags); /* - ** First check for incoming commands: - */ - if ( RWORD(UnixRupP->RupP->rxcontrol) != RX_RUP_INACTIVE ) { + ** First check for incoming commands: + */ + if (RWORD(UnixRupP->RupP->rxcontrol) != RX_RUP_INACTIVE) { int FreeMe; - PacketP =(PKT *)RIO_PTR(HostP->Caddr,RWORD(UnixRupP->RupP->rxpkt)); + PacketP = (PKT *) RIO_PTR(HostP->Caddr, RWORD(UnixRupP->RupP->rxpkt)); - ShowPacket( DBG_CMD, PacketP ); + ShowPacket(DBG_CMD, PacketP); - switch ( RBYTE(PacketP->dest_port) ) { - case BOOT_RUP: - rio_dprintk (RIO_DEBUG_CMD, "Incoming Boot %s packet '%x'\n", - RBYTE(PacketP->len) & 0x80 ? "Command":"Data", - RBYTE(PacketP->data[0])); - rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); - FreeMe= RIOBootRup(p, Rup,HostP,PacketP); - rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); - break; + switch (RBYTE(PacketP->dest_port)) { + case BOOT_RUP: + rio_dprintk(RIO_DEBUG_CMD, "Incoming Boot %s packet '%x'\n", RBYTE(PacketP->len) & 0x80 ? "Command" : "Data", RBYTE(PacketP->data[0])); + rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); + FreeMe = RIOBootRup(p, Rup, HostP, PacketP); + rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); + break; - case COMMAND_RUP: - /* - ** Free the RUP lock as loss of carrier causes a - ** ttyflush which will (eventually) call another - ** routine that uses the RUP lock. - */ - rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); - FreeMe= RIOCommandRup(p, Rup,HostP,PacketP); - if (PacketP->data[5] == MEMDUMP) { - rio_dprintk (RIO_DEBUG_CMD, "Memdump from 0x%x complete\n", - *(ushort *) &(PacketP->data[6])); - HostP->Copy( (caddr_t)&(PacketP->data[8]), - (caddr_t)p->RIOMemDump, 32 ); - } - rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); - break; + case COMMAND_RUP: + /* + ** Free the RUP lock as loss of carrier causes a + ** ttyflush which will (eventually) call another + ** routine that uses the RUP lock. + */ + rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); + FreeMe = RIOCommandRup(p, Rup, HostP, PacketP); + if (PacketP->data[5] == MEMDUMP) { + rio_dprintk(RIO_DEBUG_CMD, "Memdump from 0x%x complete\n", *(ushort *) & (PacketP->data[6])); + HostP->Copy((caddr_t) & (PacketP->data[8]), (caddr_t) p->RIOMemDump, 32); + } + rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); + break; - case ROUTE_RUP: - rio_spin_unlock_irqrestore( &UnixRupP->RupLock, flags); - FreeMe = RIORouteRup(p, Rup, HostP, PacketP ); - rio_spin_lock_irqsave( &UnixRupP->RupLock, flags ); - break; + case ROUTE_RUP: + rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); + FreeMe = RIORouteRup(p, Rup, HostP, PacketP); + rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); + break; - default: - rio_dprintk (RIO_DEBUG_CMD, "Unknown RUP %d\n", RBYTE(PacketP->dest_port)); - FreeMe = 1; - break; + default: + rio_dprintk(RIO_DEBUG_CMD, "Unknown RUP %d\n", RBYTE(PacketP->dest_port)); + FreeMe = 1; + break; } - if ( FreeMe ) { - rio_dprintk (RIO_DEBUG_CMD, "Free processed incoming command packet\n"); - put_free_end(HostP,PacketP); + if (FreeMe) { + rio_dprintk(RIO_DEBUG_CMD, "Free processed incoming command packet\n"); + put_free_end(HostP, PacketP); - WWORD(UnixRupP->RupP->rxcontrol , RX_RUP_INACTIVE); + WWORD(UnixRupP->RupP->rxcontrol, RX_RUP_INACTIVE); - if ( RWORD(UnixRupP->RupP->handshake)==PHB_HANDSHAKE_SET ) { - rio_dprintk (RIO_DEBUG_CMD, "Handshake rup %d\n",Rup); - WWORD(UnixRupP->RupP->handshake, - PHB_HANDSHAKE_SET|PHB_HANDSHAKE_RESET); + if (RWORD(UnixRupP->RupP->handshake) == PHB_HANDSHAKE_SET) { + rio_dprintk(RIO_DEBUG_CMD, "Handshake rup %d\n", Rup); + WWORD(UnixRupP->RupP->handshake, PHB_HANDSHAKE_SET | PHB_HANDSHAKE_RESET); } } } /* - ** IF a command was running on the port, - ** and it has completed, then tidy it up. - */ - if ( (CmdBlkP = UnixRupP->CmdPendingP) && /* ASSIGN! */ - (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) { + ** IF a command was running on the port, + ** and it has completed, then tidy it up. + */ + if ((CmdBlkP = UnixRupP->CmdPendingP) && /* ASSIGN! */ + (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) { /* - ** we are idle. - ** there is a command in pending. - ** Therefore, this command has finished. - ** So, wakeup whoever is waiting for it (and tell them - ** what happened). - */ - if ( CmdBlkP->Packet.dest_port == BOOT_RUP ) - rio_dprintk (RIO_DEBUG_CMD, "Free Boot %s Command Block '%x'\n", - CmdBlkP->Packet.len & 0x80 ? "Command":"Data", - CmdBlkP->Packet.data[0]); - - rio_dprintk (RIO_DEBUG_CMD, "Command 0x%x completed\n",(int)CmdBlkP); + ** we are idle. + ** there is a command in pending. + ** Therefore, this command has finished. + ** So, wakeup whoever is waiting for it (and tell them + ** what happened). + */ + if (CmdBlkP->Packet.dest_port == BOOT_RUP) + rio_dprintk(RIO_DEBUG_CMD, "Free Boot %s Command Block '%x'\n", CmdBlkP->Packet.len & 0x80 ? "Command" : "Data", CmdBlkP->Packet.data[0]); + + rio_dprintk(RIO_DEBUG_CMD, "Command 0x%x completed\n", (int) CmdBlkP); /* - ** Clear the Rup lock to prevent mutual exclusion. - */ - if ( CmdBlkP->PostFuncP ) { + ** Clear the Rup lock to prevent mutual exclusion. + */ + if (CmdBlkP->PostFuncP) { rio_spin_unlock_irqrestore(&UnixRupP->RupLock, flags); - (*CmdBlkP->PostFuncP) (CmdBlkP->PostArg,CmdBlkP); + (*CmdBlkP->PostFuncP) (CmdBlkP->PostArg, CmdBlkP); rio_spin_lock_irqsave(&UnixRupP->RupLock, flags); } /* - ** ....clear the pending flag.... - */ + ** ....clear the pending flag.... + */ UnixRupP->CmdPendingP = NULL; /* - ** ....and return the command block to the freelist. - */ - RIOFreeCmdBlk( CmdBlkP ); + ** ....and return the command block to the freelist. + */ + RIOFreeCmdBlk(CmdBlkP); } /* - ** If there is a command for this rup, and the rup - ** is idle, then process the command - */ - if ( (CmdBlkP = UnixRupP->CmdsWaitingP) && /* ASSIGN! */ - (UnixRupP->CmdPendingP == NULL) && - (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) { + ** If there is a command for this rup, and the rup + ** is idle, then process the command + */ + if ((CmdBlkP = UnixRupP->CmdsWaitingP) && /* ASSIGN! */ + (UnixRupP->CmdPendingP == NULL) && (RWORD(UnixRupP->RupP->txcontrol) == TX_RUP_INACTIVE)) { /* - ** if the pre-function is non-zero, call it. - ** If it returns RIO_FAIL then don't - ** send this command yet! - */ -#ifdef CHECK - CheckCmdBlkP (CmdBlkP); -#endif - if ( !(CmdBlkP->PreFuncP ? - (*CmdBlkP->PreFuncP)(CmdBlkP->PreArg, CmdBlkP) : TRUE)) { - rio_dprintk (RIO_DEBUG_CMD, "Not ready to start command 0x%x\n",(int)CmdBlkP); - } - else { - rio_dprintk (RIO_DEBUG_CMD, "Start new command 0x%x Cmd byte is 0x%x\n", - (int)CmdBlkP, CmdBlkP->Packet.data[0]); + ** if the pre-function is non-zero, call it. + ** If it returns RIO_FAIL then don't + ** send this command yet! + */ + if (!(CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP) (CmdBlkP->PreArg, CmdBlkP) : TRUE)) { + rio_dprintk(RIO_DEBUG_CMD, "Not ready to start command 0x%x\n", (int) CmdBlkP); + } else { + rio_dprintk(RIO_DEBUG_CMD, "Start new command 0x%x Cmd byte is 0x%x\n", (int) CmdBlkP, CmdBlkP->Packet.data[0]); /* - ** Whammy! blat that pack! - */ -#ifdef CHECK - CheckPacketP ((PKT *)RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt)); -#endif - HostP->Copy( (caddr_t)&CmdBlkP->Packet, - RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT)); + ** Whammy! blat that pack! + */ + HostP->Copy((caddr_t) & CmdBlkP->Packet, RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT)); /* - ** remove the command from the rup command queue... - */ + ** remove the command from the rup command queue... + */ UnixRupP->CmdsWaitingP = CmdBlkP->NextP; /* - ** ...and place it on the pending position. - */ + ** ...and place it on the pending position. + */ UnixRupP->CmdPendingP = CmdBlkP; /* - ** set the command register - */ - WWORD(UnixRupP->RupP->txcontrol,TX_PACKET_READY); + ** set the command register + */ + WWORD(UnixRupP->RupP->txcontrol, TX_PACKET_READY); /* - ** the command block will be freed - ** when the command has been processed. - */ + ** the command block will be freed + ** when the command has been processed. + */ } } spin_unlock_irqrestore(&UnixRupP->RupLock, flags); - } while ( Rup ); + } while (Rup); } -int -RIOWFlushMark(int iPortP, struct CmdBlk *CmdBlkP) +int RIOWFlushMark(int iPortP, struct CmdBlk *CmdBlkP) { - struct Port * PortP = (struct Port *)iPortP; + struct Port *PortP = (struct Port *) iPortP; unsigned long flags; rio_spin_lock_irqsave(&PortP->portSem, flags); -#ifdef CHECK - CheckPortP( PortP ); -#endif PortP->WflushFlag++; PortP->MagicFlags |= MAGIC_FLUSH; rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return RIOUnUse( iPortP, CmdBlkP ); + return RIOUnUse(iPortP, CmdBlkP); } -int -RIORFlushEnable(int iPortP, struct CmdBlk *CmdBlkP) +int RIORFlushEnable(int iPortP, struct CmdBlk *CmdBlkP) { - struct Port * PortP = (struct Port *)iPortP; + struct Port *PortP = (struct Port *) iPortP; PKT *PacketP; unsigned long flags; rio_spin_lock_irqsave(&PortP->portSem, flags); - while ( can_remove_receive(&PacketP, PortP) ) { + while (can_remove_receive(&PacketP, PortP)) { remove_receive(PortP); - ShowPacket(DBG_PROC, PacketP ); - put_free_end( PortP->HostP, PacketP ); + ShowPacket(DBG_PROC, PacketP); + put_free_end(PortP->HostP, PacketP); } - if ( RWORD(PortP->PhbP->handshake)==PHB_HANDSHAKE_SET ) { + if (RWORD(PortP->PhbP->handshake) == PHB_HANDSHAKE_SET) { /* - ** MAGIC! (Basically, handshake the RX buffer, so that - ** the RTAs upstream can be re-enabled.) - */ - rio_dprintk (RIO_DEBUG_CMD, "Util: Set RX handshake bit\n"); - WWORD(PortP->PhbP->handshake, PHB_HANDSHAKE_SET|PHB_HANDSHAKE_RESET); + ** MAGIC! (Basically, handshake the RX buffer, so that + ** the RTAs upstream can be re-enabled.) + */ + rio_dprintk(RIO_DEBUG_CMD, "Util: Set RX handshake bit\n"); + WWORD(PortP->PhbP->handshake, PHB_HANDSHAKE_SET | PHB_HANDSHAKE_RESET); } rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return RIOUnUse( iPortP, CmdBlkP ); + return RIOUnUse(iPortP, CmdBlkP); } -int -RIOUnUse(int iPortP, struct CmdBlk *CmdBlkP) +int RIOUnUse(int iPortP, struct CmdBlk *CmdBlkP) { - struct Port * PortP = (struct Port *)iPortP; + struct Port *PortP = (struct Port *) iPortP; unsigned long flags; rio_spin_lock_irqsave(&PortP->portSem, flags); -#ifdef CHECK - CheckPortP( PortP ); -#endif - rio_dprintk (RIO_DEBUG_CMD, "Decrement in use count for port\n"); + rio_dprintk(RIO_DEBUG_CMD, "Decrement in use count for port\n"); if (PortP->InUse) { - if ( --PortP->InUse != NOT_INUSE ) { + if (--PortP->InUse != NOT_INUSE) { rio_spin_unlock_irqrestore(&PortP->portSem, flags); return 0; } } /* - ** While PortP->InUse is set (i.e. a preemptive command has been sent to - ** the RTA and is awaiting completion), any transmit data is prevented from - ** being transferred from the write queue into the transmit packets - ** (add_transmit) and no furthur transmit interrupt will be sent for that - ** data. The next interrupt will occur up to 500ms later (RIOIntr is called - ** twice a second as a saftey measure). This was the case when kermit was - ** used to send data into a RIO port. After each packet was sent, TCFLSH - ** was called to flush the read queue preemptively. PortP->InUse was - ** incremented, thereby blocking the 6 byte acknowledgement packet - ** transmitted back. This acknowledgment hung around for 500ms before - ** being sent, thus reducing input performance substantially!. - ** When PortP->InUse becomes NOT_INUSE, we must ensure that any data - ** hanging around in the transmit buffer is sent immediately. - */ + ** While PortP->InUse is set (i.e. a preemptive command has been sent to + ** the RTA and is awaiting completion), any transmit data is prevented from + ** being transferred from the write queue into the transmit packets + ** (add_transmit) and no furthur transmit interrupt will be sent for that + ** data. The next interrupt will occur up to 500ms later (RIOIntr is called + ** twice a second as a saftey measure). This was the case when kermit was + ** used to send data into a RIO port. After each packet was sent, TCFLSH + ** was called to flush the read queue preemptively. PortP->InUse was + ** incremented, thereby blocking the 6 byte acknowledgement packet + ** transmitted back. This acknowledgment hung around for 500ms before + ** being sent, thus reducing input performance substantially!. + ** When PortP->InUse becomes NOT_INUSE, we must ensure that any data + ** hanging around in the transmit buffer is sent immediately. + */ WWORD(PortP->HostP->ParmMapP->tx_intr, 1); /* What to do here .. - wakeup( (caddr_t)&(PortP->InUse) ); - */ + wakeup( (caddr_t)&(PortP->InUse) ); + */ rio_spin_unlock_irqrestore(&PortP->portSem, flags); return 0; } -void -ShowPacket(uint Flags, struct PKT *PacketP) +void ShowPacket(uint Flags, struct PKT *PacketP) { } diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c index b4d1a23e27e..fcf18a06122 100644 --- a/drivers/char/rio/rioctrl.c +++ b/drivers/char/rio/rioctrl.c @@ -82,16 +82,16 @@ static char *_rioctrl_c_sccs_ = "@(#)rioctrl.c 1.3"; #include "rioioctl.h" -static struct LpbReq LpbReq; -static struct RupReq RupReq; -static struct PortReq PortReq; -static struct HostReq HostReq; +static struct LpbReq LpbReq; +static struct RupReq RupReq; +static struct PortReq PortReq; +static struct HostReq HostReq; static struct HostDpRam HostDpRam; static struct DebugCtrl DebugCtrl; -static struct Map MapEnt; +static struct Map MapEnt; static struct PortSetup PortSetup; -static struct DownLoad DownLoad; -static struct SendPack SendPack; +static struct DownLoad DownLoad; +static struct SendPack SendPack; /* static struct StreamInfo StreamInfo; */ /* static char modemtable[RIO_PORTS]; */ static struct SpecialRupCmd SpecialRupCmd; @@ -99,18 +99,18 @@ static struct PortParams PortParams; static struct portStats portStats; static struct SubCmdStruct { - ushort Host; - ushort Rup; - ushort Port; - ushort Addr; + ushort Host; + ushort Rup; + ushort Port; + ushort Addr; } SubCmd; struct PortTty { - uint port; - struct ttystatics Tty; + uint port; + struct ttystatics Tty; }; -static struct PortTty PortTty; +static struct PortTty PortTty; typedef struct ttystatics TERMIO; /* @@ -121,267 +121,259 @@ typedef struct ttystatics TERMIO; ** The RIOBootCodeUNKNOWN entry is there to politely tell the calling ** process to bog off. */ -static int -(*RIOBootTable[MAX_PRODUCT])(struct rio_info *, struct DownLoad *) = -{ -/* 0 */ RIOBootCodeHOST, /* Host Card */ -/* 1 */ RIOBootCodeRTA, /* RTA */ +static int + (*RIOBootTable[MAX_PRODUCT]) (struct rio_info *, struct DownLoad *) = { + /* 0 */ RIOBootCodeHOST, + /* Host Card */ + /* 1 */ RIOBootCodeRTA, + /* RTA */ }; #define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff)) -int copyin (int arg, caddr_t dp, int siz) +int copyin(int arg, caddr_t dp, int siz) { - int rv; + int rv; - rio_dprintk (RIO_DEBUG_CTRL, "Copying %d bytes from user %p to %p.\n", siz, (void *)arg, dp); - rv = copy_from_user (dp, (void *)arg, siz); - if (rv) return COPYFAIL; - else return rv; + rio_dprintk(RIO_DEBUG_CTRL, "Copying %d bytes from user %p to %p.\n", siz, (void *) arg, dp); + rv = copy_from_user(dp, (void *) arg, siz); + if (rv) + return COPYFAIL; + else + return rv; } -static int copyout (caddr_t dp, int arg, int siz) +static int copyout(caddr_t dp, int arg, int siz) { - int rv; + int rv; - rio_dprintk (RIO_DEBUG_CTRL, "Copying %d bytes to user %p from %p.\n", siz, (void *)arg, dp); - rv = copy_to_user ((void *)arg, dp, siz); - if (rv) return COPYFAIL; - else return rv; + rio_dprintk(RIO_DEBUG_CTRL, "Copying %d bytes to user %p from %p.\n", siz, (void *) arg, dp); + rv = copy_to_user((void *) arg, dp, siz); + if (rv) + return COPYFAIL; + else + return rv; } -int -riocontrol(p, dev, cmd, arg, su) -struct rio_info * p; -dev_t dev; -int cmd; -caddr_t arg; -int su; +int riocontrol(p, dev, cmd, arg, su) +struct rio_info *p; +dev_t dev; +int cmd; +caddr_t arg; +int su; { - uint Host; /* leave me unsigned! */ - uint port; /* and me! */ - struct Host *HostP; - ushort loop; - int Entry; - struct Port *PortP; - PKT *PacketP; - int retval = 0; + uint Host; /* leave me unsigned! */ + uint port; /* and me! */ + struct Host *HostP; + ushort loop; + int Entry; + struct Port *PortP; + PKT *PacketP; + int retval = 0; unsigned long flags; - - func_enter (); - + + func_enter(); + /* Confuse the compiler to think that we've initialized these */ - Host=0; + Host = 0; PortP = NULL; - rio_dprintk (RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: 0x%x\n", cmd, (int)arg); + rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: 0x%x\n", cmd, (int) arg); switch (cmd) { /* - ** RIO_SET_TIMER - ** - ** Change the value of the host card interrupt timer. - ** If the host card number is -1 then all host cards are changed - ** otherwise just the specified host card will be changed. - */ - case RIO_SET_TIMER: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_TIMER to %dms\n", (uint)arg); - { - int host, value; - host = (uint)arg >> 16; - value = (uint)arg & 0x0000ffff; - if (host == -1) { - for (host = 0; host < p->RIONumHosts; host++) { - if (p->RIOHosts[host].Flags == RC_RUNNING) { - WWORD(p->RIOHosts[host].ParmMapP->timer , value); - } - } - } else if (host >= p->RIONumHosts) { - return -EINVAL; - } else { - if ( p->RIOHosts[host].Flags == RC_RUNNING ) { - WWORD(p->RIOHosts[host].ParmMapP->timer , value); + ** RIO_SET_TIMER + ** + ** Change the value of the host card interrupt timer. + ** If the host card number is -1 then all host cards are changed + ** otherwise just the specified host card will be changed. + */ + case RIO_SET_TIMER: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %dms\n", (uint) arg); + { + int host, value; + host = (uint) arg >> 16; + value = (uint) arg & 0x0000ffff; + if (host == -1) { + for (host = 0; host < p->RIONumHosts; host++) { + if (p->RIOHosts[host].Flags == RC_RUNNING) { + WWORD(p->RIOHosts[host].ParmMapP->timer, value); } } - } - return 0; - - case RIO_IDENTIFY_DRIVER: - /* - ** 15.10.1998 ARG - ESIL 0760 part fix - ** Added driver ident string output. - ** -#ifndef __THIS_RELEASE__ -#warning Driver Version string not defined ! -#endif - cprintf("%s %s %s %s\n", - RIO_DRV_STR, - __THIS_RELEASE__, - __DATE__, __TIME__ ); - - return 0; - - case RIO_DISPLAY_HOST_CFG: - ** - ** 15.10.1998 ARG - ESIL 0760 part fix - ** Added driver host card ident string output. - ** - ** Note that the only types currently supported - ** are ISA and PCI. Also this driver does not - ** (yet) distinguish between the Old PCI card - ** and the Jet PCI card. In fact I think this - ** driver only supports JET PCI ! - ** - - for (Host = 0; Host < p->RIONumHosts; Host++) - { - HostP = &(p->RIOHosts[Host]); - - switch ( HostP->Type ) - { - case RIO_AT : - strcpy( host_type, RIO_AT_HOST_STR ); - break; - - case RIO_PCI : - strcpy( host_type, RIO_PCI_HOST_STR ); - break; - - default : - strcpy( host_type, "Unknown" ); - break; + } else if (host >= p->RIONumHosts) { + return -EINVAL; + } else { + if (p->RIOHosts[host].Flags == RC_RUNNING) { + WWORD(p->RIOHosts[host].ParmMapP->timer, value); } + } + } + return 0; - cprintf( - "RIO Host %d - Type:%s Addr:%X IRQ:%d\n", - Host, host_type, - (uint)HostP->PaddrP, - (int)HostP->Ivec - 32 ); + case RIO_IDENTIFY_DRIVER: + /* + ** 15.10.1998 ARG - ESIL 0760 part fix + ** Added driver ident string output. + ** + #ifndef __THIS_RELEASE__ + #warning Driver Version string not defined ! + #endif + cprintf("%s %s %s %s\n", + RIO_DRV_STR, + __THIS_RELEASE__, + __DATE__, __TIME__ ); + + return 0; + + case RIO_DISPLAY_HOST_CFG: + ** + ** 15.10.1998 ARG - ESIL 0760 part fix + ** Added driver host card ident string output. + ** + ** Note that the only types currently supported + ** are ISA and PCI. Also this driver does not + ** (yet) distinguish between the Old PCI card + ** and the Jet PCI card. In fact I think this + ** driver only supports JET PCI ! + ** + + for (Host = 0; Host < p->RIONumHosts; Host++) + { + HostP = &(p->RIOHosts[Host]); + + switch ( HostP->Type ) + { + case RIO_AT : + strcpy( host_type, RIO_AT_HOST_STR ); + break; + + case RIO_PCI : + strcpy( host_type, RIO_PCI_HOST_STR ); + break; + + default : + strcpy( host_type, "Unknown" ); + break; + } + + cprintf( + "RIO Host %d - Type:%s Addr:%X IRQ:%d\n", + Host, host_type, + (uint)HostP->PaddrP, + (int)HostP->Ivec - 32 ); + } + return 0; + ** + */ + + case RIO_FOAD_RTA: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n"); + return RIOCommandRta(p, (uint) arg, RIOFoadRta); + + case RIO_ZOMBIE_RTA: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n"); + return RIOCommandRta(p, (uint) arg, RIOZombieRta); + + case RIO_IDENTIFY_RTA: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n"); + return RIOIdentifyRta(p, arg); + + case RIO_KILL_NEIGHBOUR: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n"); + return RIOKillNeighbour(p, arg); + + case SPECIAL_RUP_CMD: + { + struct CmdBlk *CmdBlkP; + + rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n"); + if (copyin((int) arg, (caddr_t) & SpecialRupCmd, sizeof(SpecialRupCmd)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + CmdBlkP = RIOGetCmdBlk(); + if (!CmdBlkP) { + rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n"); + return -ENXIO; + } + CmdBlkP->Packet = SpecialRupCmd.Packet; + if (SpecialRupCmd.Host >= p->RIONumHosts) + SpecialRupCmd.Host = 0; + rio_dprintk(RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", SpecialRupCmd.Host, SpecialRupCmd.RupNum); + if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) { + cprintf("FAILED TO QUEUE SPECIAL RUP COMMAND\n"); } return 0; - ** - */ - - case RIO_FOAD_RTA: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n"); - return RIOCommandRta(p, (uint)arg, RIOFoadRta); - - case RIO_ZOMBIE_RTA: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n"); - return RIOCommandRta(p, (uint)arg, RIOZombieRta); - - case RIO_IDENTIFY_RTA: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n"); - return RIOIdentifyRta(p, arg); - - case RIO_KILL_NEIGHBOUR: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n"); - return RIOKillNeighbour(p, arg); - - case SPECIAL_RUP_CMD: - { - struct CmdBlk *CmdBlkP; - - rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n"); - if (copyin((int)arg, (caddr_t)&SpecialRupCmd, - sizeof(SpecialRupCmd)) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - CmdBlkP = RIOGetCmdBlk(); - if ( !CmdBlkP ) { - rio_dprintk (RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD GetCmdBlk failed\n"); - return -ENXIO; - } - CmdBlkP->Packet = SpecialRupCmd.Packet; - if ( SpecialRupCmd.Host >= p->RIONumHosts ) - SpecialRupCmd.Host = 0; - rio_dprintk (RIO_DEBUG_CTRL, "Queue special rup command for host %d rup %d\n", - SpecialRupCmd.Host, SpecialRupCmd.RupNum); - if (RIOQueueCmdBlk(&p->RIOHosts[SpecialRupCmd.Host], - SpecialRupCmd.RupNum, CmdBlkP) == RIO_FAIL) { - cprintf("FAILED TO QUEUE SPECIAL RUP COMMAND\n"); - } - return 0; - } - - case RIO_DEBUG_MEM: -#ifdef DEBUG_MEM_SUPPORT -RIO_DEBUG_CTRL, if (su) - return rio_RIODebugMemory(RIO_DEBUG_CTRL, arg); - else -#endif - return -EPERM; - - case RIO_ALL_MODEM: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n"); - p->RIOError.Error = IOCTL_COMMAND_UNKNOWN; - return -EINVAL; + } - case RIO_GET_TABLE: - /* - ** Read the routing table from the device driver to user space - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_TABLE\n"); + case RIO_DEBUG_MEM: + return -EPERM; - if ((retval = RIOApel(p)) != 0) - return retval; + case RIO_ALL_MODEM: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_ALL_MODEM\n"); + p->RIOError.Error = IOCTL_COMMAND_UNKNOWN; + return -EINVAL; - if (copyout((caddr_t)p->RIOConnectTable, (int)arg, - TOTAL_MAP_ENTRIES*sizeof(struct Map)) == COPYFAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } + case RIO_GET_TABLE: + /* + ** Read the routing table from the device driver to user space + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE\n"); + + if ((retval = RIOApel(p)) != 0) + return retval; + + if (copyout((caddr_t) p->RIOConnectTable, (int) arg, TOTAL_MAP_ENTRIES * sizeof(struct Map)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + + { + int entry; + rio_dprintk(RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n"); + for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) { + if ((p->RIOConnectTable[entry].ID == 0) && (p->RIOConnectTable[entry].HostUniqueNum == 0) && (p->RIOConnectTable[entry].RtaUniqueNum == 0)) + continue; + + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int) p->RIOConnectTable[entry].Flags); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int) p->RIOConnectTable[entry].SysPort); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link); + rio_dprintk(RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name); + } + rio_dprintk(RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n"); + } + p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */ + return 0; - { - int entry; - rio_dprintk (RIO_DEBUG_CTRL, "*****\nMAP ENTRIES\n"); - for ( entry=0; entry<TOTAL_MAP_ENTRIES; entry++ ) - { - if ((p->RIOConnectTable[entry].ID == 0) && - (p->RIOConnectTable[entry].HostUniqueNum == 0) && - (p->RIOConnectTable[entry].RtaUniqueNum == 0)) continue; - - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.HostUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].HostUniqueNum ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.RtaUniqueNum = 0x%x\n", entry, p->RIOConnectTable[entry].RtaUniqueNum ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.ID = 0x%x\n", entry, p->RIOConnectTable[entry].ID ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.ID2 = 0x%x\n", entry, p->RIOConnectTable[entry].ID2 ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Flags = 0x%x\n", entry, (int)p->RIOConnectTable[entry].Flags ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.SysPort = 0x%x\n", entry, (int)p->RIOConnectTable[entry].SysPort ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[0].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Unit ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[0].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[0].Link ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[1].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Unit ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[1].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[1].Link ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[2].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Unit ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[2].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[2].Link ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[3].Unit = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Unit ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Top[4].Link = %x\n", entry, p->RIOConnectTable[entry].Topology[3].Link ); - rio_dprintk (RIO_DEBUG_CTRL, "Map entry %d.Name = %s\n", entry, p->RIOConnectTable[entry].Name ); - } - rio_dprintk (RIO_DEBUG_CTRL, "*****\nEND MAP ENTRIES\n"); - } - p->RIOQuickCheck = NOT_CHANGED; /* a table has been gotten */ - return 0; - - case RIO_PUT_TABLE: - /* - ** Write the routing table to the device driver from user space - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n"); - - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if ( copyin((int)arg, (caddr_t)&p->RIOConnectTable[0], - TOTAL_MAP_ENTRIES*sizeof(struct Map) ) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } + case RIO_PUT_TABLE: + /* + ** Write the routing table to the device driver from user space + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE\n"); + + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & p->RIOConnectTable[0], TOTAL_MAP_ENTRIES * sizeof(struct Map)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } /* *********************************** { @@ -409,1353 +401,1144 @@ RIO_DEBUG_CTRL, if (su) } *********************************** */ - return RIONewTable(p); - - case RIO_GET_BINDINGS : - /* - ** Send bindings table, containing unique numbers of RTAs owned - ** by this system to user space - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n"); - - if ( !su ) - { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if (copyout((caddr_t) p->RIOBindTab, (int)arg, - (sizeof(ulong) * MAX_RTA_BINDINGS)) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; + return RIONewTable(p); - case RIO_PUT_BINDINGS : + case RIO_GET_BINDINGS: + /* + ** Send bindings table, containing unique numbers of RTAs owned + ** by this system to user space + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS\n"); + + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyout((caddr_t) p->RIOBindTab, (int) arg, (sizeof(ulong) * MAX_RTA_BINDINGS)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + + case RIO_PUT_BINDINGS: + /* + ** Receive a bindings table, containing unique numbers of RTAs owned + ** by this system + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n"); + + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & p->RIOBindTab[0], (sizeof(ulong) * MAX_RTA_BINDINGS)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + return 0; + + case RIO_BIND_RTA: + { + int EmptySlot = -1; /* - ** Receive a bindings table, containing unique numbers of RTAs owned - ** by this system - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS\n"); - - if ( !su ) - { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if (copyin((int)arg, (caddr_t)&p->RIOBindTab[0], - (sizeof(ulong) * MAX_RTA_BINDINGS))==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - return 0; - - case RIO_BIND_RTA : - { - int EmptySlot = -1; - /* - ** Bind this RTA to host, so that it will be booted by - ** host in 'boot owned RTAs' mode. - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_BIND_RTA\n"); - - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) { - if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L)) - EmptySlot = Entry; - else if (p->RIOBindTab[Entry] == (int) arg) { - /* - ** Already exists - delete - */ - p->RIOBindTab[Entry] = 0L; - rio_dprintk (RIO_DEBUG_CTRL, "Removing Rta %x from p->RIOBindTab\n", - (int) arg); - return 0; - } - } + ** Bind this RTA to host, so that it will be booted by + ** host in 'boot owned RTAs' mode. + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA\n"); + + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_BIND_RTA !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) { + if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L)) + EmptySlot = Entry; + else if (p->RIOBindTab[Entry] == (int) arg) { /* - ** Dosen't exist - add - */ - if (EmptySlot != -1) { - p->RIOBindTab[EmptySlot] = (int) arg; - rio_dprintk (RIO_DEBUG_CTRL, "Adding Rta %x to p->RIOBindTab\n", - (int) arg); - } - else { - rio_dprintk (RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %x not added\n", - (int) arg); - return -ENOMEM; - } + ** Already exists - delete + */ + p->RIOBindTab[Entry] = 0L; + rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %x from p->RIOBindTab\n", (int) arg); return 0; } - - case RIO_RESUME : - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME\n"); - port = (uint) arg; - if ((port < 0) || (port > 511)) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - PortP = p->RIOPortp[port]; - if (!PortP->Mapped) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port); - p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM; - return -EINVAL; - } - if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port); - return -EINVAL; - } - - rio_spin_lock_irqsave(&PortP->portSem, flags); - if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RESUME) == - RIO_FAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME failed\n"); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return -EBUSY; - } - else { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port); - PortP->State |= RIO_BUSY; - } - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return retval; - - case RIO_ASSIGN_RTA: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n"); - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt)) - == COPYFAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "Copy from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - return RIOAssignRta(p, &MapEnt); - - case RIO_CHANGE_NAME: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n"); - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n"); + } + /* + ** Dosen't exist - add + */ + if (EmptySlot != -1) { + p->RIOBindTab[EmptySlot] = (int) arg; + rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %x to p->RIOBindTab\n", (int) arg); + } else { + rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %x not added\n", (int) arg); + return -ENOMEM; + } + return 0; + } + + case RIO_RESUME: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n"); + port = (uint) arg; + if ((port < 0) || (port > 511)) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + PortP = p->RIOPortp[port]; + if (!PortP->Mapped) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not mapped\n", port); + p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM; + return -EINVAL; + } + if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d not open\n", port); + return -EINVAL; + } + + rio_spin_lock_irqsave(&PortP->portSem, flags); + if (RIOPreemptiveCmd(p, (p->RIOPortp[port]), RESUME) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME failed\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return -EBUSY; + } else { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Port %d resumed\n", port); + PortP->State |= RIO_BUSY; + } + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_ASSIGN_RTA: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA\n"); + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_ASSIGN_RTA !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & MapEnt, sizeof(MapEnt)) + == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + return RIOAssignRta(p, &MapEnt); + + case RIO_CHANGE_NAME: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME\n"); + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_CHANGE_NAME !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & MapEnt, sizeof(MapEnt)) + == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + return RIOChangeName(p, &MapEnt); + + case RIO_DELETE_RTA: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n"); + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & MapEnt, sizeof(MapEnt)) + == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + return RIODeleteRta(p, &MapEnt); + + case RIO_QUICK_CHECK: + /* + ** 09.12.1998 ARG - ESIL 0776 part fix + ** A customer was using this to get the RTAs + ** connect/disconnect status. + ** RIOConCon() had been botched use RIOHalted + ** to keep track of RTA connections and + ** disconnections. That has been changed and + ** RIORtaDisCons in the rio_info struct now + ** does the job. So we need to return the value + ** of RIORtaCons instead of RIOHalted. + ** + if (copyout((caddr_t)&p->RIOHalted,(int)arg, + sizeof(uint))==COPYFAIL) { + ** + */ + + if (copyout((caddr_t) & p->RIORtaDisCons, (int) arg, sizeof(uint)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + + case RIO_LAST_ERROR: + if (copyout((caddr_t) & p->RIOError, (int) arg, sizeof(struct Error)) == COPYFAIL) + return -EFAULT; + return 0; + + case RIO_GET_LOG: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_LOG\n"); + return -EINVAL; + + case RIO_GET_MODTYPE: + if (copyin((int) arg, (caddr_t) & port, sizeof(uint)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + rio_dprintk(RIO_DEBUG_CTRL, "Get module type for port %d\n", port); + if (port < 0 || port > 511) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + PortP = (p->RIOPortp[port]); + if (!PortP->Mapped) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port); + p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM; + return -EINVAL; + } + /* + ** Return module type of port + */ + port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes; + if (copyout((caddr_t) & port, (int) arg, sizeof(uint)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return (0); + /* + ** 02.03.1999 ARG - ESIL 0820 fix + ** We are no longer using "Boot Mode", so these ioctls + ** are not required : + ** + case RIO_GET_BOOT_MODE : + rio_dprint(RIO_DEBUG_CTRL, ("Get boot mode - %x\n", p->RIOBootMode)); + ** + ** Return boot state of system - BOOT_ALL, BOOT_OWN or BOOT_NONE + ** + if (copyout((caddr_t)&p->RIOBootMode, (int)arg, + sizeof(p->RIOBootMode)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return(0); + + case RIO_SET_BOOT_MODE : + p->RIOBootMode = (uint) arg; + rio_dprint(RIO_DEBUG_CTRL, ("Set boot mode to 0x%x\n", p->RIOBootMode)); + return(0); + ** + ** End ESIL 0820 fix + */ + + case RIO_BLOCK_OPENS: + rio_dprintk(RIO_DEBUG_CTRL, "Opens block until booted\n"); + for (Entry = 0; Entry < RIO_PORTS; Entry++) { + rio_spin_lock_irqsave(&PortP->portSem, flags); + p->RIOPortp[Entry]->WaitUntilBooted = 1; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + } + return 0; + + case RIO_SETUP_PORTS: + rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n"); + if (copyin((int) arg, (caddr_t) & PortSetup, sizeof(PortSetup)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "EFAULT"); + return -EFAULT; + } + if (PortSetup.From > PortSetup.To || PortSetup.To >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + rio_dprintk(RIO_DEBUG_CTRL, "ENXIO"); + return -ENXIO; + } + if (PortSetup.XpCps > p->RIOConf.MaxXpCps || PortSetup.XpCps < p->RIOConf.MinXpCps) { + p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE; + rio_dprintk(RIO_DEBUG_CTRL, "EINVAL"); + return -EINVAL; + } + if (!p->RIOPortp) { + cprintf("No p->RIOPortp array!\n"); + rio_dprintk(RIO_DEBUG_CTRL, "No p->RIOPortp array!\n"); + return -EIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To); + for (loop = PortSetup.From; loop <= PortSetup.To; loop++) { + rio_dprintk(RIO_DEBUG_CTRL, "in loop (%d)!\n", loop); + } + rio_dprintk(RIO_DEBUG_CTRL, "after loop (%d)!\n", loop); + rio_dprintk(RIO_DEBUG_CTRL, "Retval:%x\n", retval); + return retval; + + case RIO_GET_PORT_SETUP: + rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n"); + if (copyin((int) arg, (caddr_t) & PortSetup, sizeof(PortSetup)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (PortSetup.From >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + + port = PortSetup.To = PortSetup.From; + PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? 1 : 0; + PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? 1 : 0; + PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? 1 : 0; + PortSetup.Store = p->RIOPortp[port]->Store; + PortSetup.Lock = p->RIOPortp[port]->Lock; + PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps; + bcopy(p->RIOPortp[port]->Xprint.XpOn, PortSetup.XpOn, MAX_XP_CTRL_LEN); + bcopy(p->RIOPortp[port]->Xprint.XpOff, PortSetup.XpOff, MAX_XP_CTRL_LEN); + PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0'; + PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0'; + + if (copyout((caddr_t) & PortSetup, (int) arg, sizeof(PortSetup)) + == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_GET_PORT_PARAMS: + rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n"); + if (copyin((int) arg, (caddr_t) & PortParams, sizeof(struct PortParams)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (PortParams.Port >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[PortParams.Port]); + PortParams.Config = PortP->Config; + PortParams.State = PortP->State; + rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port); + + if (copyout((caddr_t) & PortParams, (int) arg, sizeof(struct PortParams)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_GET_PORT_TTY: + rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n"); + if (copyin((int) arg, (caddr_t) & PortTty, sizeof(struct PortTty)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (PortTty.port >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + + rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port); + PortP = (p->RIOPortp[PortTty.port]); + if (copyout((caddr_t) & PortTty, (int) arg, sizeof(struct PortTty)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_SET_PORT_TTY: + if (copyin((int) arg, (caddr_t) & PortTty, sizeof(struct PortTty)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + rio_dprintk(RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port); + if (PortTty.port >= (ushort) RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[PortTty.port]); + RIOParam(PortP, CONFIG, PortP->State & RIO_MODEM, OK_TO_SLEEP); + return retval; + + case RIO_SET_PORT_PARAMS: + rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n"); + if (copyin((int) arg, (caddr_t) & PortParams, sizeof(PortParams)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (PortParams.Port >= (ushort) RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[PortParams.Port]); + rio_spin_lock_irqsave(&PortP->portSem, flags); + PortP->Config = PortParams.Config; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_GET_PORT_STATS: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n"); + if (copyin((int) arg, (caddr_t) & portStats, sizeof(struct portStats)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (portStats.port >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[portStats.port]); + portStats.gather = PortP->statsGather; + portStats.txchars = PortP->txchars; + portStats.rxchars = PortP->rxchars; + portStats.opens = PortP->opens; + portStats.closes = PortP->closes; + portStats.ioctls = PortP->ioctls; + if (copyout((caddr_t) & portStats, (int) arg, sizeof(struct portStats)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_RESET_PORT_STATS: + port = (uint) arg; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n"); + if (port >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[port]); + rio_spin_lock_irqsave(&PortP->portSem, flags); + PortP->txchars = 0; + PortP->rxchars = 0; + PortP->opens = 0; + PortP->closes = 0; + PortP->ioctls = 0; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_GATHER_PORT_STATS: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n"); + if (copyin((int) arg, (caddr_t) & portStats, sizeof(struct portStats)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (portStats.port >= RIO_PORTS) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + PortP = (p->RIOPortp[portStats.port]); + rio_spin_lock_irqsave(&PortP->portSem, flags); + PortP->statsGather = portStats.gather; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_READ_CONFIG: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n"); + if (copyout((caddr_t) & p->RIOConf, (int) arg, sizeof(struct Conf)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_SET_CONFIG: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n"); + if (!su) { + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & p->RIOConf, sizeof(struct Conf)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + /* + ** move a few value around + */ + for (Host = 0; Host < p->RIONumHosts; Host++) + if ((p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING) + WWORD(p->RIOHosts[Host].ParmMapP->timer, p->RIOConf.Timer); + return retval; + + case RIO_START_POLLER: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_START_POLLER\n"); + return -EINVAL; + + case RIO_STOP_POLLER: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n"); + if (!su) { + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + p->RIOPolling = NOT_POLLING; + return retval; + + case RIO_SETDEBUG: + case RIO_GETDEBUG: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n"); + if (copyin((int) arg, (caddr_t) & DebugCtrl, sizeof(DebugCtrl)) + == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (DebugCtrl.SysPort == NO_PORT) { + if (cmd == RIO_SETDEBUG) { + if (!su) { p->RIOError.Error = NOT_SUPER_USER; return -EPERM; } - if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt)) - == COPYFAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "Copy from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - return RIOChangeName(p, &MapEnt); - - case RIO_DELETE_RTA: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DELETE_RTA\n"); - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DELETE_RTA !Root\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if (copyin((int)arg, (caddr_t)&MapEnt, sizeof(MapEnt)) - == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "Copy from data space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - return RIODeleteRta(p, &MapEnt); - - case RIO_QUICK_CHECK: - /* - ** 09.12.1998 ARG - ESIL 0776 part fix - ** A customer was using this to get the RTAs - ** connect/disconnect status. - ** RIOConCon() had been botched use RIOHalted - ** to keep track of RTA connections and - ** disconnections. That has been changed and - ** RIORtaDisCons in the rio_info struct now - ** does the job. So we need to return the value - ** of RIORtaCons instead of RIOHalted. - ** - if (copyout((caddr_t)&p->RIOHalted,(int)arg, - sizeof(uint))==COPYFAIL) { - ** - */ - - if (copyout((caddr_t)&p->RIORtaDisCons,(int)arg, - sizeof(uint))==COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; - - case RIO_LAST_ERROR: - if (copyout((caddr_t)&p->RIOError, (int)arg, - sizeof(struct Error)) ==COPYFAIL ) - return -EFAULT; - return 0; - - case RIO_GET_LOG: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_LOG\n"); -#ifdef LOGGING - RIOGetLog(arg); - return 0; -#else - return -EINVAL; -#endif - - case RIO_GET_MODTYPE: - if ( copyin( (int)arg, (caddr_t)&port, - sizeof(uint)) == COPYFAIL ) - { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "Get module type for port %d\n", port); - if ( port < 0 || port > 511 ) - { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Bad port number %d\n", port); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - PortP = (p->RIOPortp[port]); - if (!PortP->Mapped) - { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_MODTYPE: Port %d not mapped\n", port); - p->RIOError.Error = PORT_NOT_MAPPED_INTO_SYSTEM; - return -EINVAL; - } - /* - ** Return module type of port - */ - port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes; - if (copyout((caddr_t)&port, (int)arg, - sizeof(uint)) == COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return(0); - /* - ** 02.03.1999 ARG - ESIL 0820 fix - ** We are no longer using "Boot Mode", so these ioctls - ** are not required : - ** - case RIO_GET_BOOT_MODE : - rio_dprint(RIO_DEBUG_CTRL, ("Get boot mode - %x\n", p->RIOBootMode)); - ** - ** Return boot state of system - BOOT_ALL, BOOT_OWN or BOOT_NONE - ** - if (copyout((caddr_t)&p->RIOBootMode, (int)arg, - sizeof(p->RIOBootMode)) == COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return(0); - - case RIO_SET_BOOT_MODE : - p->RIOBootMode = (uint) arg; - rio_dprint(RIO_DEBUG_CTRL, ("Set boot mode to 0x%x\n", p->RIOBootMode)); - return(0); - ** - ** End ESIL 0820 fix - */ - - case RIO_BLOCK_OPENS: - rio_dprintk (RIO_DEBUG_CTRL, "Opens block until booted\n"); - for ( Entry=0; Entry < RIO_PORTS; Entry++ ) { - rio_spin_lock_irqsave(&PortP->portSem, flags); - p->RIOPortp[Entry]->WaitUntilBooted = 1; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - } - return 0; - - case RIO_SETUP_PORTS: - rio_dprintk (RIO_DEBUG_CTRL, "Setup ports\n"); - if (copyin((int)arg, (caddr_t)&PortSetup, sizeof(PortSetup)) - == COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "EFAULT"); - return -EFAULT; - } - if ( PortSetup.From > PortSetup.To || - PortSetup.To >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - rio_dprintk (RIO_DEBUG_CTRL, "ENXIO"); - return -ENXIO; - } - if ( PortSetup.XpCps > p->RIOConf.MaxXpCps || - PortSetup.XpCps < p->RIOConf.MinXpCps ) { - p->RIOError.Error = XPRINT_CPS_OUT_OF_RANGE; - rio_dprintk (RIO_DEBUG_CTRL, "EINVAL"); - return -EINVAL; - } - if ( !p->RIOPortp ) { - cprintf("No p->RIOPortp array!\n"); - rio_dprintk (RIO_DEBUG_CTRL, "No p->RIOPortp array!\n"); - return -EIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "entering loop (%d %d)!\n", PortSetup.From, PortSetup.To); - for (loop=PortSetup.From; loop<=PortSetup.To; loop++) { - rio_dprintk (RIO_DEBUG_CTRL, "in loop (%d)!\n", loop); -#if 0 - PortP = p->RIOPortp[loop]; - if ( !PortP->TtyP ) - PortP->TtyP = &p->channel[loop]; - - rio_spin_lock_irqsave(&PortP->portSem, flags); - if ( PortSetup.IxAny ) - PortP->Config |= RIO_IXANY; - else - PortP->Config &= ~RIO_IXANY; - if ( PortSetup.IxOn ) - PortP->Config |= RIO_IXON; - else - PortP->Config &= ~RIO_IXON; - - /* - ** If the port needs to wait for all a processes output - ** to drain before closing then this flag will be set. - */ - if (PortSetup.Drain) { - PortP->Config |= RIO_WAITDRAIN; - } else { - PortP->Config &= ~RIO_WAITDRAIN; - } - /* - ** Store settings if locking or unlocking port or if the - ** port is not locked, when setting the store option. - */ - if (PortP->Mapped && - ((PortSetup.Lock && !PortP->Lock) || - (!PortP->Lock && - (PortSetup.Store && !PortP->Store)))) { - PortP->StoredTty.iflag = PortP->TtyP->tm.c_iflag; - PortP->StoredTty.oflag = PortP->TtyP->tm.c_oflag; - PortP->StoredTty.cflag = PortP->TtyP->tm.c_cflag; - PortP->StoredTty.lflag = PortP->TtyP->tm.c_lflag; - PortP->StoredTty.line = PortP->TtyP->tm.c_line; - bcopy(PortP->TtyP->tm.c_cc, PortP->StoredTty.cc, - NCC + 5); - } - PortP->Lock = PortSetup.Lock; - PortP->Store = PortSetup.Store; - PortP->Xprint.XpCps = PortSetup.XpCps; - bcopy(PortSetup.XpOn,PortP->Xprint.XpOn,MAX_XP_CTRL_LEN); - bcopy(PortSetup.XpOff,PortP->Xprint.XpOff,MAX_XP_CTRL_LEN); - PortP->Xprint.XpOn[MAX_XP_CTRL_LEN-1] = '\0'; - PortP->Xprint.XpOff[MAX_XP_CTRL_LEN-1] = '\0'; - PortP->Xprint.XpLen = RIOStrlen(PortP->Xprint.XpOn)+ - RIOStrlen(PortP->Xprint.XpOff); - rio_spin_unlock_irqrestore( &PortP->portSem , flags); -#endif - } - rio_dprintk (RIO_DEBUG_CTRL, "after loop (%d)!\n", loop); - rio_dprintk (RIO_DEBUG_CTRL, "Retval:%x\n", retval); - return retval; - - case RIO_GET_PORT_SETUP : - rio_dprintk (RIO_DEBUG_CTRL, "Get port setup\n"); - if (copyin((int)arg, (caddr_t)&PortSetup, sizeof(PortSetup)) - == COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( PortSetup.From >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - - port = PortSetup.To = PortSetup.From; - PortSetup.IxAny = (p->RIOPortp[port]->Config & RIO_IXANY) ? - 1 : 0; - PortSetup.IxOn = (p->RIOPortp[port]->Config & RIO_IXON) ? - 1 : 0; - PortSetup.Drain = (p->RIOPortp[port]->Config & RIO_WAITDRAIN) ? - 1 : 0; - PortSetup.Store = p->RIOPortp[port]->Store; - PortSetup.Lock = p->RIOPortp[port]->Lock; - PortSetup.XpCps = p->RIOPortp[port]->Xprint.XpCps; - bcopy(p->RIOPortp[port]->Xprint.XpOn, PortSetup.XpOn, - MAX_XP_CTRL_LEN); - bcopy(p->RIOPortp[port]->Xprint.XpOff, PortSetup.XpOff, - MAX_XP_CTRL_LEN); - PortSetup.XpOn[MAX_XP_CTRL_LEN-1] = '\0'; - PortSetup.XpOff[MAX_XP_CTRL_LEN-1] = '\0'; - - if ( copyout((caddr_t)&PortSetup,(int)arg,sizeof(PortSetup)) - ==COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - - case RIO_GET_PORT_PARAMS : - rio_dprintk (RIO_DEBUG_CTRL, "Get port params\n"); - if (copyin( (int)arg, (caddr_t)&PortParams, - sizeof(struct PortParams)) == COPYFAIL) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if (PortParams.Port >= RIO_PORTS) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[PortParams.Port]); - PortParams.Config = PortP->Config; - PortParams.State = PortP->State; - rio_dprintk (RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port); - - if (copyout((caddr_t)&PortParams, (int)arg, - sizeof(struct PortParams)) == COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - - case RIO_GET_PORT_TTY : - rio_dprintk (RIO_DEBUG_CTRL, "Get port tty\n"); - if (copyin((int)arg, (caddr_t)&PortTty, sizeof(struct PortTty)) - == COPYFAIL) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( PortTty.port >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - - rio_dprintk (RIO_DEBUG_CTRL, "Port %d\n", PortTty.port); - PortP = (p->RIOPortp[PortTty.port]); -#if 0 - PortTty.Tty.tm.c_iflag = PortP->TtyP->tm.c_iflag; - PortTty.Tty.tm.c_oflag = PortP->TtyP->tm.c_oflag; - PortTty.Tty.tm.c_cflag = PortP->TtyP->tm.c_cflag; - PortTty.Tty.tm.c_lflag = PortP->TtyP->tm.c_lflag; -#endif - if (copyout((caddr_t)&PortTty, (int)arg, - sizeof(struct PortTty)) == COPYFAIL) { + p->rio_debug = DebugCtrl.Debug; + p->RIODebugWait = DebugCtrl.Wait; + rio_dprintk(RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", p->rio_debug, p->RIODebugWait); + } else { + rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait); + DebugCtrl.Debug = p->rio_debug; + DebugCtrl.Wait = p->RIODebugWait; + if (copyout((caddr_t) & DebugCtrl, (int) arg, sizeof(DebugCtrl)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort); p->RIOError.Error = COPYOUT_FAILED; return -EFAULT; } - return retval; - - case RIO_SET_PORT_TTY : - if (copyin((int)arg, (caddr_t)&PortTty, - sizeof(struct PortTty)) == COPYFAIL) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "Set port %d tty\n", PortTty.port); - if (PortTty.port >= (ushort) RIO_PORTS) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[PortTty.port]); -#if 0 - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->TtyP->tm.c_iflag = PortTty.Tty.tm.c_iflag; - PortP->TtyP->tm.c_oflag = PortTty.Tty.tm.c_oflag; - PortP->TtyP->tm.c_cflag = PortTty.Tty.tm.c_cflag; - PortP->TtyP->tm.c_lflag = PortTty.Tty.tm.c_lflag; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); -#endif - - RIOParam(PortP, CONFIG, PortP->State & RIO_MODEM, OK_TO_SLEEP); - return retval; - - case RIO_SET_PORT_PARAMS : - rio_dprintk (RIO_DEBUG_CTRL, "Set port params\n"); - if ( copyin((int)arg, (caddr_t)&PortParams, sizeof(PortParams)) - == COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if (PortParams.Port >= (ushort) RIO_PORTS) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[PortParams.Port]); - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->Config = PortParams.Config; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return retval; - - case RIO_GET_PORT_STATS : - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n"); - if ( copyin((int)arg, (caddr_t)&portStats, - sizeof(struct portStats)) == COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( portStats.port >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[portStats.port]); - portStats.gather = PortP->statsGather; - portStats.txchars = PortP->txchars; - portStats.rxchars = PortP->rxchars; - portStats.opens = PortP->opens; - portStats.closes = PortP->closes; - portStats.ioctls = PortP->ioctls; - if ( copyout((caddr_t)&portStats, (int)arg, - sizeof(struct portStats)) == COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - - case RIO_RESET_PORT_STATS : - port = (uint) arg; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n"); - if ( port >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[port]); - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->txchars = 0; - PortP->rxchars = 0; - PortP->opens = 0; - PortP->closes = 0; - PortP->ioctls = 0; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return retval; - - case RIO_GATHER_PORT_STATS : - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n"); - if ( copyin( (int)arg, (caddr_t)&portStats, - sizeof(struct portStats)) == COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( portStats.port >= RIO_PORTS ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - PortP = (p->RIOPortp[portStats.port]); - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->statsGather = portStats.gather; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return retval; - -#ifdef DEBUG_SUPPORTED - case RIO_READ_LEVELS: - { - int num; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_LEVELS\n"); - for ( num=0; RIODbInf[num].Flag; num++ ) ; - rio_dprintk (RIO_DEBUG_CTRL, "%d levels to copy\n",num); - if (copyout((caddr_t)RIODbInf,(int)arg, - sizeof(struct DbInf)*(num+1))==COPYFAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "ReadLevels Copy failed\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "%d levels to copied\n",num); - return retval; - } -#endif - - case RIO_READ_CONFIG: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n"); - if (copyout((caddr_t)&p->RIOConf, (int)arg, - sizeof(struct Conf)) ==COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; + } + } else if (DebugCtrl.SysPort >= RIO_PORTS && DebugCtrl.SysPort != NO_PORT) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } else if (cmd == RIO_SETDEBUG) { + if (!su) { + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + rio_spin_lock_irqsave(&PortP->portSem, flags); + p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug); + } else { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug); + DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug; + if (copyout((caddr_t) & DebugCtrl, (int) arg, sizeof(DebugCtrl)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + } + return retval; - case RIO_SET_CONFIG: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_CONFIG\n"); - if ( !su ) { - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if ( copyin((int)arg, (caddr_t)&p->RIOConf, sizeof(struct Conf) ) - ==COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - /* - ** move a few value around - */ - for (Host=0; Host < p->RIONumHosts; Host++) - if ( (p->RIOHosts[Host].Flags & RUN_STATE) == RC_RUNNING ) - WWORD(p->RIOHosts[Host].ParmMapP->timer , - p->RIOConf.Timer); - return retval; - - case RIO_START_POLLER: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_START_POLLER\n"); - return -EINVAL; + case RIO_VERSID: + /* + ** Enquire about the release and version. + ** We return MAX_VERSION_LEN bytes, being a + ** textual null terminated string. + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n"); + if (copyout((caddr_t) RIOVersid(), (int) arg, sizeof(struct rioVersion)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; - case RIO_STOP_POLLER: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_STOP_POLLER\n"); - if ( !su ) { - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - p->RIOPolling = NOT_POLLING; - return retval; - - case RIO_SETDEBUG: - case RIO_GETDEBUG: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n"); - if ( copyin( (int)arg, (caddr_t)&DebugCtrl, sizeof(DebugCtrl) ) - ==COPYFAIL ) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( DebugCtrl.SysPort == NO_PORT ) { - if ( cmd == RIO_SETDEBUG ) { - if ( !su ) { - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - p->rio_debug = DebugCtrl.Debug; - p->RIODebugWait = DebugCtrl.Wait; - rio_dprintk (RIO_DEBUG_CTRL, "Set global debug to 0x%x set wait to 0x%x\n", - p->rio_debug,p->RIODebugWait); - } - else { - rio_dprintk (RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", - p->rio_debug,p->RIODebugWait); - DebugCtrl.Debug = p->rio_debug; - DebugCtrl.Wait = p->RIODebugWait; - if ( copyout((caddr_t)&DebugCtrl,(int)arg, - sizeof(DebugCtrl)) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", - DebugCtrl.SysPort); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - } - } - else if ( DebugCtrl.SysPort >= RIO_PORTS && - DebugCtrl.SysPort != NO_PORT ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", - DebugCtrl.SysPort); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - else if ( cmd == RIO_SETDEBUG ) { - if ( !su ) { - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - rio_spin_lock_irqsave(&PortP->portSem, flags); - p->RIOPortp[DebugCtrl.SysPort]->Debug = DebugCtrl.Debug; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SETDEBUG 0x%x\n", - p->RIOPortp[DebugCtrl.SysPort]->Debug); - } - else { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", - p->RIOPortp[DebugCtrl.SysPort]->Debug); - DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug; - if ( copyout((caddr_t)&DebugCtrl,(int)arg, - sizeof(DebugCtrl))==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - } - return retval; - - case RIO_VERSID: - /* - ** Enquire about the release and version. - ** We return MAX_VERSION_LEN bytes, being a - ** textual null terminated string. - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_VERSID\n"); - if ( copyout( (caddr_t)RIOVersid(), - (int)arg, - sizeof(struct rioVersion) ) == COPYFAIL ) - { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; + /* + ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + ** !! commented out previous 'RIO_VERSID' functionality !! + ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + ** + case RIO_VERSID: + ** + ** Enquire about the release and version. + ** We return MAX_VERSION_LEN bytes, being a textual null + ** terminated string. + ** + rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID\n")); + if (copyout((caddr_t)RIOVersid(), + (int)arg, MAX_VERSION_LEN ) == COPYFAIL ) { + rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID: Bad copy to user space\n",Host)); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + ** + ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + */ + + case RIO_NUM_HOSTS: + /* + ** Enquire as to the number of hosts located + ** at init time. + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n"); + if (copyout((caddr_t) & p->RIONumHosts, (int) arg, sizeof(p->RIONumHosts)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; + + case RIO_HOST_FOAD: + /* + ** Kill host. This may not be in the final version... + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %d\n", (int) arg); + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + p->RIOHalted = 1; + p->RIOSystemUp = 0; + + for (Host = 0; Host < p->RIONumHosts; Host++) { + (void) RIOBoardTest(p->RIOHosts[Host].PaddrP, p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, p->RIOHosts[Host].Slot); + bzero((caddr_t) & p->RIOHosts[Host].Flags, ((int) &p->RIOHosts[Host].____end_marker____) - ((int) &p->RIOHosts[Host].Flags)); + p->RIOHosts[Host].Flags = RC_WAITING; + } + RIOFoadWakeup(p); + p->RIONumBootPkts = 0; + p->RIOBooting = 0; + printk("HEEEEELP!\n"); + + for (loop = 0; loop < RIO_PORTS; loop++) { + spin_lock_init(&p->RIOPortp[loop]->portSem); + p->RIOPortp[loop]->InUse = NOT_INUSE; + } + + p->RIOSystemUp = 0; + return retval; + + case RIO_DOWNLOAD: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n"); + if (!su) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n"); + p->RIOError.Error = NOT_SUPER_USER; + return -EPERM; + } + if (copyin((int) arg, (caddr_t) & DownLoad, sizeof(DownLoad)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + rio_dprintk(RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", DownLoad.ProductCode); + /* + ** It is important that the product code is an unsigned object! + */ + if (DownLoad.ProductCode > MAX_PRODUCT) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode); + p->RIOError.Error = NO_SUCH_PRODUCT; + return -ENXIO; + } + /* + ** do something! + */ + retval = (*(RIOBootTable[DownLoad.ProductCode])) (p, &DownLoad); + /* <-- Panic */ + p->RIOHalted = 0; + /* + ** and go back, content with a job well completed. + */ + return retval; + + case RIO_PARMS: + { + uint host; + + if (copyin((int) arg, (caddr_t) & host, sizeof(host)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } /* - ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - ** !! commented out previous 'RIO_VERSID' functionality !! - ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - ** - case RIO_VERSID: - ** - ** Enquire about the release and version. - ** We return MAX_VERSION_LEN bytes, being a textual null - ** terminated string. - ** - rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID\n")); - if (copyout((caddr_t)RIOVersid(), - (int)arg, MAX_VERSION_LEN ) == COPYFAIL ) { - rio_dprint(RIO_DEBUG_CTRL, ("RIO_VERSID: Bad copy to user space\n",Host)); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - ** - ** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - */ - - case RIO_NUM_HOSTS: - /* - ** Enquire as to the number of hosts located - ** at init time. - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n"); - if (copyout((caddr_t)&p->RIONumHosts, (int)arg, - sizeof(p->RIONumHosts) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - - case RIO_HOST_FOAD: - /* - ** Kill host. This may not be in the final version... - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_FOAD %d\n", (int)arg); - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - p->RIOHalted = 1; - p->RIOSystemUp = 0; - - for ( Host=0; Host<p->RIONumHosts; Host++ ) { - (void)RIOBoardTest( p->RIOHosts[Host].PaddrP, - p->RIOHosts[Host].Caddr, p->RIOHosts[Host].Type, - p->RIOHosts[Host].Slot ); - bzero( (caddr_t)&p->RIOHosts[Host].Flags, - ((int)&p->RIOHosts[Host].____end_marker____) - - ((int)&p->RIOHosts[Host].Flags) ); - p->RIOHosts[Host].Flags = RC_WAITING; -#if 0 - RIOSetupDataStructs(p); -#endif - } - RIOFoadWakeup(p); - p->RIONumBootPkts = 0; - p->RIOBooting = 0; - -#ifdef RINGBUFFER_SUPPORT - for( loop=0; loop<RIO_PORTS; loop++ ) - if ( p->RIOPortp[loop]->TxRingBuffer ) - sysfree((void *)p->RIOPortp[loop]->TxRingBuffer, - RIOBufferSize ); -#endif -#if 0 - bzero((caddr_t)&p->RIOPortp[0],RIO_PORTS*sizeof(struct Port)); -#else - printk ("HEEEEELP!\n"); -#endif - - for( loop=0; loop<RIO_PORTS; loop++ ) { -#if 0 - p->RIOPortp[loop]->TtyP = &p->channel[loop]; -#endif - - spin_lock_init(&p->RIOPortp[loop]->portSem); - p->RIOPortp[loop]->InUse = NOT_INUSE; - } - - p->RIOSystemUp = 0; - return retval; - - case RIO_DOWNLOAD: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD\n"); - if ( !su ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Not super user\n"); - p->RIOError.Error = NOT_SUPER_USER; - return -EPERM; - } - if ( copyin((int)arg, (caddr_t)&DownLoad, - sizeof(DownLoad) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "Copied in download code for product code 0x%x\n", - DownLoad.ProductCode); - - /* - ** It is important that the product code is an unsigned object! - */ - if ( DownLoad.ProductCode > MAX_PRODUCT ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", - DownLoad.ProductCode); - p->RIOError.Error = NO_SUCH_PRODUCT; - return -ENXIO; - } - /* - ** do something! - */ - retval = (*(RIOBootTable[DownLoad.ProductCode]))(p, &DownLoad); - /* <-- Panic */ - p->RIOHalted = 0; - /* - ** and go back, content with a job well completed. - */ - return retval; - - case RIO_PARMS: - { - uint host; - - if (copyin((int)arg, (caddr_t)&host, - sizeof(host) ) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, - "RIO_HOST_REQ: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - /* - ** Fetch the parmmap - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PARMS\n"); - if ( copyout( (caddr_t)p->RIOHosts[host].ParmMapP, - (int)arg, sizeof(PARM_MAP) )==COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n"); - return -EFAULT; - } - } - return retval; - - case RIO_HOST_REQ: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ\n"); - if (copyin((int)arg, (caddr_t)&HostReq, - sizeof(HostReq) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( HostReq.HostNum >= p->RIONumHosts ) { - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", - HostReq.HostNum); - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum); - - if (copyout((caddr_t)&p->RIOHosts[HostReq.HostNum], - (int)HostReq.HostP,sizeof(struct Host) ) == COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n"); - return -EFAULT; - } - return retval; - - case RIO_HOST_DPRAM: - rio_dprintk (RIO_DEBUG_CTRL, "Request for DPRAM\n"); - if ( copyin( (int)arg, (caddr_t)&HostDpRam, - sizeof(HostDpRam) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( HostDpRam.HostNum >= p->RIONumHosts ) { - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", - HostDpRam.HostNum); - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum); - - if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) { - int off; - /* It's hardware like this that really gets on my tits. */ - static unsigned char copy[sizeof(struct DpRam)]; - for ( off=0; off<sizeof(struct DpRam); off++ ) - copy[off] = p->RIOHosts[HostDpRam.HostNum].Caddr[off]; - if ( copyout( (caddr_t)copy, (int)HostDpRam.DpRamP, - sizeof(struct DpRam) ) == COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n"); - return -EFAULT; - } - } - else if (copyout((caddr_t)p->RIOHosts[HostDpRam.HostNum].Caddr, - (int)HostDpRam.DpRamP, - sizeof(struct DpRam) ) == COPYFAIL ) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n"); - return -EFAULT; - } - return retval; - - case RIO_SET_BUSY: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_BUSY\n"); - if ( (int)arg < 0 || (int)arg > 511 ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %d\n",(int)arg); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - rio_spin_lock_irqsave(&PortP->portSem, flags); - p->RIOPortp[(int)arg]->State |= RIO_BUSY; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return retval; - - case RIO_HOST_PORT: - /* - ** The daemon want port information - ** (probably for debug reasons) - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT\n"); - if ( copyin((int)arg, (caddr_t)&PortReq, - sizeof(PortReq) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - - if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", - PortReq.SysPort); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort); - if (copyout((caddr_t)p->RIOPortp[PortReq.SysPort], - (int)PortReq.PortP, - sizeof(struct Port) ) == COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n"); - return -EFAULT; - } - return retval; - - case RIO_HOST_RUP: - /* - ** The daemon want rup information - ** (probably for debug reasons) - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP\n"); - if (copyin((int)arg, (caddr_t)&RupReq, - sizeof(RupReq) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", - RupReq.HostNum); - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - if ( RupReq.RupNum >= MAX_RUP+LINKS_PER_UNIT ) { /* eek! */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", - RupReq.RupNum); - p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - HostP = &p->RIOHosts[RupReq.HostNum]; - - if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", - RupReq.HostNum); - p->RIOError.Error = HOST_NOT_RUNNING; - return -EIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", - RupReq.RupNum,RupReq.HostNum); - - if (copyout((caddr_t)HostP->UnixRups[RupReq.RupNum].RupP, - (int)RupReq.RupP,sizeof(struct RUP) ) == COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n"); - return -EFAULT; - } - return retval; - - case RIO_HOST_LPB: - /* - ** The daemon want lpb information - ** (probably for debug reasons) - */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB\n"); - if (copyin((int)arg, (caddr_t)&LpbReq, - sizeof(LpbReq) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", - LpbReq.Host); - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - if ( LpbReq.Link >= LINKS_PER_UNIT ) { /* eek! */ - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", - LpbReq.Link); - p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - HostP = &p->RIOHosts[LpbReq.Host]; - - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", - LpbReq.Host ); - p->RIOError.Error = HOST_NOT_RUNNING; - return -EIO; - } - rio_dprintk (RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", - LpbReq.Link, LpbReq.Host); - - if (copyout((caddr_t)&HostP->LinkStrP[LpbReq.Link], - (int)LpbReq.LpbP,sizeof(struct LPB) ) == COPYFAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return retval; - - /* - ** Here 3 IOCTL's that allow us to change the way in which - ** rio logs errors. send them just to syslog or send them - ** to both syslog and console or send them to just the console. - ** - ** See RioStrBuf() in util.c for the other half. - */ - case RIO_SYSLOG_ONLY: - p->RIOPrintLogState = PRINT_TO_LOG; /* Just syslog */ - return 0; - - case RIO_SYSLOG_CONS: - p->RIOPrintLogState = PRINT_TO_LOG_CONS;/* syslog and console */ - return 0; - - case RIO_CONS_ONLY: - p->RIOPrintLogState = PRINT_TO_CONS; /* Just console */ - return 0; - - case RIO_SIGNALS_ON: - if ( p->RIOSignalProcess ) { - p->RIOError.Error = SIGNALS_ALREADY_SET; - return -EBUSY; - } - p->RIOSignalProcess = getpid(); - p->RIOPrintDisabled = DONT_PRINT; - return retval; - - case RIO_SIGNALS_OFF: - if ( p->RIOSignalProcess != getpid() ) { - p->RIOError.Error = NOT_RECEIVING_PROCESS; - return -EPERM; - } - rio_dprintk (RIO_DEBUG_CTRL, "Clear signal process to zero\n"); - p->RIOSignalProcess = 0; - return retval; - - case RIO_SET_BYTE_MODE: - for ( Host=0; Host<p->RIONumHosts; Host++ ) - if ( p->RIOHosts[Host].Type == RIO_AT ) - p->RIOHosts[Host].Mode &= ~WORD_OPERATION; - return retval; - - case RIO_SET_WORD_MODE: - for ( Host=0; Host<p->RIONumHosts; Host++ ) - if ( p->RIOHosts[Host].Type == RIO_AT ) - p->RIOHosts[Host].Mode |= WORD_OPERATION; - return retval; - - case RIO_SET_FAST_BUS: - for ( Host=0; Host<p->RIONumHosts; Host++ ) - if ( p->RIOHosts[Host].Type == RIO_AT ) - p->RIOHosts[Host].Mode |= FAST_AT_BUS; - return retval; - - case RIO_SET_SLOW_BUS: - for ( Host=0; Host<p->RIONumHosts; Host++ ) - if ( p->RIOHosts[Host].Type == RIO_AT ) - p->RIOHosts[Host].Mode &= ~FAST_AT_BUS; - return retval; - - case RIO_MAP_B50_TO_50: - case RIO_MAP_B50_TO_57600: - case RIO_MAP_B110_TO_110: - case RIO_MAP_B110_TO_115200: - rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping\n"); - port = (uint) arg; - if ( port < 0 || port > 511 ) { - rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - rio_spin_lock_irqsave(&PortP->portSem, flags); - switch( cmd ) - { - case RIO_MAP_B50_TO_50 : - p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50; - break; - case RIO_MAP_B50_TO_57600 : - p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50; - break; - case RIO_MAP_B110_TO_110 : - p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110; - break; - case RIO_MAP_B110_TO_115200 : - p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110; - break; - } - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return retval; - - case RIO_STREAM_INFO: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n"); - return -EINVAL; - - case RIO_SEND_PACKET: - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n"); - if ( copyin( (int)arg, (caddr_t)&SendPack, - sizeof(SendPack) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n"); - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - if ( SendPack.PortNum >= 128 ) { - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -ENXIO; - } - - PortP = p->RIOPortp[SendPack.PortNum]; - rio_spin_lock_irqsave(&PortP->portSem, flags); - - if ( !can_add_transmit(&PacketP,PortP) ) { - p->RIOError.Error = UNIT_IS_IN_USE; - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return -ENOSPC; - } - - for ( loop=0; loop<(ushort)(SendPack.Len & 127); loop++ ) - WBYTE(PacketP->data[loop], SendPack.Data[loop] ); - - WBYTE(PacketP->len, SendPack.Len); - - add_transmit( PortP ); - /* - ** Count characters transmitted for port statistics reporting - */ - if (PortP->statsGather) - PortP->txchars += (SendPack.Len & 127); - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return retval; - - case RIO_NO_MESG: - if ( su ) - p->RIONoMessage = 1; - return su ? 0 : -EPERM; - - case RIO_MESG: - if ( su ) - p->RIONoMessage = 0; - return su ? 0 : -EPERM; - - case RIO_WHAT_MESG: - if ( copyout( (caddr_t)&p->RIONoMessage, (int)arg, - sizeof(p->RIONoMessage) )==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; - - case RIO_MEM_DUMP : - if (copyin((int)arg, (caddr_t)&SubCmd, - sizeof(struct SubCmdStruct)) == COPYFAIL) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", - SubCmd.Host, SubCmd.Rup, SubCmd.Addr); - - if (SubCmd.Rup >= MAX_RUP+LINKS_PER_UNIT ) { - p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - if (SubCmd.Host >= p->RIONumHosts ) { - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - port = p->RIOHosts[SubCmd.Host]. - UnixRups[SubCmd.Rup].BaseSysPort; - - PortP = p->RIOPortp[port]; - - rio_spin_lock_irqsave(&PortP->portSem, flags); - - if ( RIOPreemptiveCmd(p, PortP, MEMDUMP ) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n"); - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return -EBUSY; - } - else - PortP->State |= RIO_BUSY; - - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - if ( copyout( (caddr_t)p->RIOMemDump, (int)arg, - MEMDUMP_SIZE) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; - - case RIO_TICK: - if ((int)arg < 0 || (int)arg >= p->RIONumHosts) - return -EINVAL; - rio_dprintk (RIO_DEBUG_CTRL, "Set interrupt for host %d\n", (int)arg); - WBYTE(p->RIOHosts[(int)arg].SetInt , 0xff); - return 0; - - case RIO_TOCK: - if ((int)arg < 0 || (int)arg >= p->RIONumHosts) - return -EINVAL; - rio_dprintk (RIO_DEBUG_CTRL, "Clear interrupt for host %d\n", (int)arg); - WBYTE((p->RIOHosts[(int)arg].ResetInt) , 0xff); - return 0; - - case RIO_READ_CHECK: - /* Check reads for pkts with data[0] the same */ - p->RIOReadCheck = !p->RIOReadCheck; - if (copyout((caddr_t)&p->RIOReadCheck,(int)arg, - sizeof(uint))== COPYFAIL) { - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; - - case RIO_READ_REGISTER : - if (copyin((int)arg, (caddr_t)&SubCmd, - sizeof(struct SubCmdStruct)) == COPYFAIL) { - p->RIOError.Error = COPYIN_FAILED; - return -EFAULT; - } - rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", - SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr); - - if (SubCmd.Port > 511) { - rio_dprintk (RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", - SubCmd.Port); - p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - if (SubCmd.Rup >= MAX_RUP+LINKS_PER_UNIT ) { - p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - if (SubCmd.Host >= p->RIONumHosts ) { - p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - port = p->RIOHosts[SubCmd.Host]. - UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port; - PortP = p->RIOPortp[port]; - - rio_spin_lock_irqsave(&PortP->portSem, flags); - - if (RIOPreemptiveCmd(p, PortP, READ_REGISTER) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n"); - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - return -EBUSY; - } - else - PortP->State |= RIO_BUSY; - - rio_spin_unlock_irqrestore( &PortP->portSem , flags); - if (copyout((caddr_t)&p->CdRegister, (int)arg, - sizeof(uint)) == COPYFAIL ) { - rio_dprintk (RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n"); - p->RIOError.Error = COPYOUT_FAILED; - return -EFAULT; - } - return 0; - /* - ** rio_make_dev: given port number (0-511) ORed with port type - ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t - ** value to pass to mknod to create the correct device node. - */ - case RIO_MAKE_DEV: - { - uint port = (uint)arg & RIO_MODEM_MASK; - - switch ( (uint)arg & RIO_DEV_MASK ) { - case RIO_DEV_DIRECT: - arg = (caddr_t)drv_makedev(MAJOR(dev), port); - rio_dprintk (RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n",port, (int)arg); - return (int)arg; - case RIO_DEV_MODEM: - arg = (caddr_t)drv_makedev(MAJOR(dev), (port|RIO_MODEM_BIT) ); - rio_dprintk (RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n",port, (int)arg); - return (int)arg; - case RIO_DEV_XPRINT: - arg = (caddr_t)drv_makedev(MAJOR(dev), port); - rio_dprintk (RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n",port, (int)arg); - return (int)arg; - } - rio_dprintk (RIO_DEBUG_CTRL, "MAKE Device is called\n"); - return -EINVAL; - } - /* - ** rio_minor: given a dev_t from a stat() call, return - ** the port number (0-511) ORed with the port type - ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT ) - */ - case RIO_MINOR: - { - dev_t dv; - int mino; - - dv = (dev_t)((int)arg); - mino = RIO_UNMODEM(dv); + ** Fetch the parmmap + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n"); + if (copyout((caddr_t) p->RIOHosts[host].ParmMapP, (int) arg, sizeof(PARM_MAP)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n"); + return -EFAULT; + } + } + return retval; + + case RIO_HOST_REQ: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n"); + if (copyin((int) arg, (caddr_t) & HostReq, sizeof(HostReq)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (HostReq.HostNum >= p->RIONumHosts) { + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Illegal host number %d\n", HostReq.HostNum); + return -ENXIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostReq.HostNum); + + if (copyout((caddr_t) & p->RIOHosts[HostReq.HostNum], (int) HostReq.HostP, sizeof(struct Host)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Bad copy to user space\n"); + return -EFAULT; + } + return retval; + + case RIO_HOST_DPRAM: + rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n"); + if (copyin((int) arg, (caddr_t) & HostDpRam, sizeof(HostDpRam)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (HostDpRam.HostNum >= p->RIONumHosts) { + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Illegal host number %d\n", HostDpRam.HostNum); + return -ENXIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "Request for host %d\n", HostDpRam.HostNum); + + if (p->RIOHosts[HostDpRam.HostNum].Type == RIO_PCI) { + int off; + /* It's hardware like this that really gets on my tits. */ + static unsigned char copy[sizeof(struct DpRam)]; + for (off = 0; off < sizeof(struct DpRam); off++) + copy[off] = p->RIOHosts[HostDpRam.HostNum].Caddr[off]; + if (copyout((caddr_t) copy, (int) HostDpRam.DpRamP, sizeof(struct DpRam)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n"); + return -EFAULT; + } + } else if (copyout((caddr_t) p->RIOHosts[HostDpRam.HostNum].Caddr, (int) HostDpRam.DpRamP, sizeof(struct DpRam)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n"); + return -EFAULT; + } + return retval; + + case RIO_SET_BUSY: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n"); + if ((int) arg < 0 || (int) arg > 511) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %d\n", (int) arg); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + rio_spin_lock_irqsave(&PortP->portSem, flags); + p->RIOPortp[(int) arg]->State |= RIO_BUSY; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_HOST_PORT: + /* + ** The daemon want port information + ** (probably for debug reasons) + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n"); + if (copyin((int) arg, (caddr_t) & PortReq, sizeof(PortReq)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + + if (PortReq.SysPort >= RIO_PORTS) { /* SysPort is unsigned */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Illegal port number %d\n", PortReq.SysPort); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "Request for port %d\n", PortReq.SysPort); + if (copyout((caddr_t) p->RIOPortp[PortReq.SysPort], (int) PortReq.PortP, sizeof(struct Port)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Bad copy to user space\n"); + return -EFAULT; + } + return retval; + + case RIO_HOST_RUP: + /* + ** The daemon want rup information + ** (probably for debug reasons) + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n"); + if (copyin((int) arg, (caddr_t) & RupReq, sizeof(RupReq)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (RupReq.HostNum >= p->RIONumHosts) { /* host is unsigned */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal host number %d\n", RupReq.HostNum); + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + if (RupReq.RupNum >= MAX_RUP + LINKS_PER_UNIT) { /* eek! */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Illegal rup number %d\n", RupReq.RupNum); + p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + HostP = &p->RIOHosts[RupReq.HostNum]; + + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Host %d not running\n", RupReq.HostNum); + p->RIOError.Error = HOST_NOT_RUNNING; + return -EIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum); + + if (copyout((caddr_t) HostP->UnixRups[RupReq.RupNum].RupP, (int) RupReq.RupP, sizeof(struct RUP)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n"); + return -EFAULT; + } + return retval; + + case RIO_HOST_LPB: + /* + ** The daemon want lpb information + ** (probably for debug reasons) + */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n"); + if (copyin((int) arg, (caddr_t) & LpbReq, sizeof(LpbReq)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (LpbReq.Host >= p->RIONumHosts) { /* host is unsigned */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal host number %d\n", LpbReq.Host); + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + if (LpbReq.Link >= LINKS_PER_UNIT) { /* eek! */ + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Illegal link number %d\n", LpbReq.Link); + p->RIOError.Error = LINK_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + HostP = &p->RIOHosts[LpbReq.Host]; + + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Host %d not running\n", LpbReq.Host); + p->RIOError.Error = HOST_NOT_RUNNING; + return -EIO; + } + rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host); + + if (copyout((caddr_t) & HostP->LinkStrP[LpbReq.Link], (int) LpbReq.LpbP, sizeof(struct LPB)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return retval; - if ( RIO_ISMODEM(dv) ) { - rio_dprintk (RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino); - arg = (caddr_t)(mino | RIO_DEV_MODEM); - } - else { - rio_dprintk (RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino); - arg = (caddr_t)(mino | RIO_DEV_DIRECT); - } - return (int)arg; - } + /* + ** Here 3 IOCTL's that allow us to change the way in which + ** rio logs errors. send them just to syslog or send them + ** to both syslog and console or send them to just the console. + ** + ** See RioStrBuf() in util.c for the other half. + */ + case RIO_SYSLOG_ONLY: + p->RIOPrintLogState = PRINT_TO_LOG; /* Just syslog */ + return 0; + + case RIO_SYSLOG_CONS: + p->RIOPrintLogState = PRINT_TO_LOG_CONS; /* syslog and console */ + return 0; + + case RIO_CONS_ONLY: + p->RIOPrintLogState = PRINT_TO_CONS; /* Just console */ + return 0; + + case RIO_SIGNALS_ON: + if (p->RIOSignalProcess) { + p->RIOError.Error = SIGNALS_ALREADY_SET; + return -EBUSY; + } + p->RIOSignalProcess = getpid(); + p->RIOPrintDisabled = DONT_PRINT; + return retval; + + case RIO_SIGNALS_OFF: + if (p->RIOSignalProcess != getpid()) { + p->RIOError.Error = NOT_RECEIVING_PROCESS; + return -EPERM; + } + rio_dprintk(RIO_DEBUG_CTRL, "Clear signal process to zero\n"); + p->RIOSignalProcess = 0; + return retval; + + case RIO_SET_BYTE_MODE: + for (Host = 0; Host < p->RIONumHosts; Host++) + if (p->RIOHosts[Host].Type == RIO_AT) + p->RIOHosts[Host].Mode &= ~WORD_OPERATION; + return retval; + + case RIO_SET_WORD_MODE: + for (Host = 0; Host < p->RIONumHosts; Host++) + if (p->RIOHosts[Host].Type == RIO_AT) + p->RIOHosts[Host].Mode |= WORD_OPERATION; + return retval; + + case RIO_SET_FAST_BUS: + for (Host = 0; Host < p->RIONumHosts; Host++) + if (p->RIOHosts[Host].Type == RIO_AT) + p->RIOHosts[Host].Mode |= FAST_AT_BUS; + return retval; + + case RIO_SET_SLOW_BUS: + for (Host = 0; Host < p->RIONumHosts; Host++) + if (p->RIOHosts[Host].Type == RIO_AT) + p->RIOHosts[Host].Mode &= ~FAST_AT_BUS; + return retval; + + case RIO_MAP_B50_TO_50: + case RIO_MAP_B50_TO_57600: + case RIO_MAP_B110_TO_110: + case RIO_MAP_B110_TO_115200: + rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n"); + port = (uint) arg; + if (port < 0 || port > 511) { + rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + rio_spin_lock_irqsave(&PortP->portSem, flags); + switch (cmd) { + case RIO_MAP_B50_TO_50: + p->RIOPortp[port]->Config |= RIO_MAP_50_TO_50; + break; + case RIO_MAP_B50_TO_57600: + p->RIOPortp[port]->Config &= ~RIO_MAP_50_TO_50; + break; + case RIO_MAP_B110_TO_110: + p->RIOPortp[port]->Config |= RIO_MAP_110_TO_110; + break; + case RIO_MAP_B110_TO_115200: + p->RIOPortp[port]->Config &= ~RIO_MAP_110_TO_110; + break; + } + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_STREAM_INFO: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_STREAM_INFO\n"); + return -EINVAL; + + case RIO_SEND_PACKET: + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n"); + if (copyin((int) arg, (caddr_t) & SendPack, sizeof(SendPack)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n"); + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + if (SendPack.PortNum >= 128) { + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -ENXIO; + } + + PortP = p->RIOPortp[SendPack.PortNum]; + rio_spin_lock_irqsave(&PortP->portSem, flags); + + if (!can_add_transmit(&PacketP, PortP)) { + p->RIOError.Error = UNIT_IS_IN_USE; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return -ENOSPC; + } + + for (loop = 0; loop < (ushort) (SendPack.Len & 127); loop++) + WBYTE(PacketP->data[loop], SendPack.Data[loop]); + + WBYTE(PacketP->len, SendPack.Len); + + add_transmit(PortP); + /* + ** Count characters transmitted for port statistics reporting + */ + if (PortP->statsGather) + PortP->txchars += (SendPack.Len & 127); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return retval; + + case RIO_NO_MESG: + if (su) + p->RIONoMessage = 1; + return su ? 0 : -EPERM; + + case RIO_MESG: + if (su) + p->RIONoMessage = 0; + return su ? 0 : -EPERM; + + case RIO_WHAT_MESG: + if (copyout((caddr_t) & p->RIONoMessage, (int) arg, sizeof(p->RIONoMessage)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + + case RIO_MEM_DUMP: + if (copyin((int) arg, (caddr_t) & SubCmd, sizeof(struct SubCmdStruct)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP host %d rup %d addr %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Addr); + + if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) { + p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + if (SubCmd.Host >= p->RIONumHosts) { + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort; + + PortP = p->RIOPortp[port]; + + rio_spin_lock_irqsave(&PortP->portSem, flags); + + if (RIOPreemptiveCmd(p, PortP, MEMDUMP) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP failed\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return -EBUSY; + } else + PortP->State |= RIO_BUSY; + + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + if (copyout((caddr_t) p->RIOMemDump, (int) arg, MEMDUMP_SIZE) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + + case RIO_TICK: + if ((int) arg < 0 || (int) arg >= p->RIONumHosts) + return -EINVAL; + rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %d\n", (int) arg); + WBYTE(p->RIOHosts[(int) arg].SetInt, 0xff); + return 0; + + case RIO_TOCK: + if ((int) arg < 0 || (int) arg >= p->RIONumHosts) + return -EINVAL; + rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %d\n", (int) arg); + WBYTE((p->RIOHosts[(int) arg].ResetInt), 0xff); + return 0; + + case RIO_READ_CHECK: + /* Check reads for pkts with data[0] the same */ + p->RIOReadCheck = !p->RIOReadCheck; + if (copyout((caddr_t) & p->RIOReadCheck, (int) arg, sizeof(uint)) == COPYFAIL) { + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + + case RIO_READ_REGISTER: + if (copyin((int) arg, (caddr_t) & SubCmd, sizeof(struct SubCmdStruct)) == COPYFAIL) { + p->RIOError.Error = COPYIN_FAILED; + return -EFAULT; + } + rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER host %d rup %d port %d reg %x\n", SubCmd.Host, SubCmd.Rup, SubCmd.Port, SubCmd.Addr); + + if (SubCmd.Port > 511) { + rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", SubCmd.Port); + p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + if (SubCmd.Rup >= MAX_RUP + LINKS_PER_UNIT) { + p->RIOError.Error = RUP_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + if (SubCmd.Host >= p->RIONumHosts) { + p->RIOError.Error = HOST_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + port = p->RIOHosts[SubCmd.Host].UnixRups[SubCmd.Rup].BaseSysPort + SubCmd.Port; + PortP = p->RIOPortp[port]; + + rio_spin_lock_irqsave(&PortP->portSem, flags); + + if (RIOPreemptiveCmd(p, PortP, READ_REGISTER) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER failed\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + return -EBUSY; + } else + PortP->State |= RIO_BUSY; + + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + if (copyout((caddr_t) & p->CdRegister, (int) arg, sizeof(uint)) == COPYFAIL) { + rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n"); + p->RIOError.Error = COPYOUT_FAILED; + return -EFAULT; + } + return 0; + /* + ** rio_make_dev: given port number (0-511) ORed with port type + ** (RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT) return dev_t + ** value to pass to mknod to create the correct device node. + */ + case RIO_MAKE_DEV: + { + uint port = (uint) arg & RIO_MODEM_MASK; + + switch ((uint) arg & RIO_DEV_MASK) { + case RIO_DEV_DIRECT: + arg = (caddr_t) drv_makedev(MAJOR(dev), port); + rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, (int) arg); + return (int) arg; + case RIO_DEV_MODEM: + arg = (caddr_t) drv_makedev(MAJOR(dev), (port | RIO_MODEM_BIT)); + rio_dprintk(RIO_DEBUG_CTRL, "Makedev modem 0x%x is 0x%x\n", port, (int) arg); + return (int) arg; + case RIO_DEV_XPRINT: + arg = (caddr_t) drv_makedev(MAJOR(dev), port); + rio_dprintk(RIO_DEBUG_CTRL, "Makedev printer 0x%x is 0x%x\n", port, (int) arg); + return (int) arg; + } + rio_dprintk(RIO_DEBUG_CTRL, "MAKE Device is called\n"); + return -EINVAL; + } + /* + ** rio_minor: given a dev_t from a stat() call, return + ** the port number (0-511) ORed with the port type + ** ( RIO_DEV_DIRECT, RIO_DEV_MODEM, RIO_DEV_XPRINT ) + */ + case RIO_MINOR: + { + dev_t dv; + int mino; + + dv = (dev_t) ((int) arg); + mino = RIO_UNMODEM(dv); + + if (RIO_ISMODEM(dv)) { + rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: modem %d\n", dv, mino); + arg = (caddr_t) (mino | RIO_DEV_MODEM); + } else { + rio_dprintk(RIO_DEBUG_CTRL, "Minor for device 0x%x: direct %d\n", dv, mino); + arg = (caddr_t) (mino | RIO_DEV_DIRECT); + } + return (int) arg; + } } - rio_dprintk (RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n",cmd); + rio_dprintk(RIO_DEBUG_CTRL, "INVALID DAEMON IOCTL 0x%x\n", cmd); p->RIOError.Error = IOCTL_COMMAND_UNKNOWN; - func_exit (); + func_exit(); return -EINVAL; } /* ** Pre-emptive commands go on RUPs and are only one byte long. */ -int -RIOPreemptiveCmd(p, PortP, Cmd) -struct rio_info * p; +int RIOPreemptiveCmd(p, PortP, Cmd) +struct rio_info *p; struct Port *PortP; uchar Cmd; { @@ -1765,105 +1548,96 @@ uchar Cmd; ushort rup; int port; -#ifdef CHECK - CheckPortP( PortP ); -#endif - - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n"); + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_CTRL, "Preemptive command to deleted RTA ignored\n"); return RIO_FAIL; } - if (((int)((char)PortP->InUse) == -1) || ! (CmdBlkP = RIOGetCmdBlk()) ) { - rio_dprintk (RIO_DEBUG_CTRL, "Cannot allocate command block for command %d on port %d\n", - Cmd, PortP->PortNum); + if (((int) ((char) PortP->InUse) == -1) || !(CmdBlkP = RIOGetCmdBlk())) { + rio_dprintk(RIO_DEBUG_CTRL, "Cannot allocate command block for command %d on port %d\n", Cmd, PortP->PortNum); return RIO_FAIL; } - rio_dprintk (RIO_DEBUG_CTRL, "Command blk 0x%x - InUse now %d\n", - (int)CmdBlkP,PortP->InUse); + rio_dprintk(RIO_DEBUG_CTRL, "Command blk 0x%x - InUse now %d\n", (int) CmdBlkP, PortP->InUse); - PktCmdP = (struct PktCmd_M *)&CmdBlkP->Packet.data[0]; + PktCmdP = (struct PktCmd_M *) &CmdBlkP->Packet.data[0]; - CmdBlkP->Packet.src_unit = 0; + CmdBlkP->Packet.src_unit = 0; if (PortP->SecondBlock) rup = PortP->ID2; else rup = PortP->RupNum; CmdBlkP->Packet.dest_unit = rup; - CmdBlkP->Packet.src_port = COMMAND_RUP; + CmdBlkP->Packet.src_port = COMMAND_RUP; CmdBlkP->Packet.dest_port = COMMAND_RUP; - CmdBlkP->Packet.len = PKT_CMD_BIT | 2; - CmdBlkP->PostFuncP = RIOUnUse; - CmdBlkP->PostArg = (int)PortP; - PktCmdP->Command = Cmd; - port = PortP->HostPort % (ushort)PORTS_PER_RTA; + CmdBlkP->Packet.len = PKT_CMD_BIT | 2; + CmdBlkP->PostFuncP = RIOUnUse; + CmdBlkP->PostArg = (int) PortP; + PktCmdP->Command = Cmd; + port = PortP->HostPort % (ushort) PORTS_PER_RTA; /* - ** Index ports 8-15 for 2nd block of 16 port RTA. - */ + ** Index ports 8-15 for 2nd block of 16 port RTA. + */ if (PortP->SecondBlock) port += (ushort) PORTS_PER_RTA; - PktCmdP->PhbNum = port; - - switch ( Cmd ) { - case MEMDUMP: - rio_dprintk (RIO_DEBUG_CTRL, "Queue MEMDUMP command blk 0x%x (addr 0x%x)\n", - (int)CmdBlkP, (int)SubCmd.Addr); - PktCmdP->SubCommand = MEMDUMP; - PktCmdP->SubAddr = SubCmd.Addr; - break; - case FCLOSE: - rio_dprintk (RIO_DEBUG_CTRL, "Queue FCLOSE command blk 0x%x\n",(int)CmdBlkP); - break; - case READ_REGISTER: - rio_dprintk (RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) command blk 0x%x\n", - (int)SubCmd.Addr, (int)CmdBlkP); - PktCmdP->SubCommand = READ_REGISTER; - PktCmdP->SubAddr = SubCmd.Addr; - break; - case RESUME: - rio_dprintk (RIO_DEBUG_CTRL, "Queue RESUME command blk 0x%x\n",(int)CmdBlkP); - break; - case RFLUSH: - rio_dprintk (RIO_DEBUG_CTRL, "Queue RFLUSH command blk 0x%x\n",(int)CmdBlkP); - CmdBlkP->PostFuncP = RIORFlushEnable; - break; - case SUSPEND: - rio_dprintk (RIO_DEBUG_CTRL, "Queue SUSPEND command blk 0x%x\n",(int)CmdBlkP); - break; - - case MGET : - rio_dprintk (RIO_DEBUG_CTRL, "Queue MGET command blk 0x%x\n", (int)CmdBlkP); - break; - - case MSET : - case MBIC : - case MBIS : - CmdBlkP->Packet.data[4] = (char) PortP->ModemLines; - rio_dprintk (RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command blk 0x%x\n", (int)CmdBlkP); - break; - - case WFLUSH: - /* - ** If we have queued up the maximum number of Write flushes - ** allowed then we should not bother sending any more to the - ** RTA. - */ - if ((int)((char)PortP->WflushFlag) == (int)-1) { - rio_dprintk (RIO_DEBUG_CTRL, "Trashed WFLUSH, WflushFlag about to wrap!"); - RIOFreeCmdBlk(CmdBlkP); - return(RIO_FAIL); - } else { - rio_dprintk (RIO_DEBUG_CTRL, "Queue WFLUSH command blk 0x%x\n", - (int)CmdBlkP); - CmdBlkP->PostFuncP = RIOWFlushMark; - } - break; + PktCmdP->PhbNum = port; + + switch (Cmd) { + case MEMDUMP: + rio_dprintk(RIO_DEBUG_CTRL, "Queue MEMDUMP command blk 0x%x (addr 0x%x)\n", (int) CmdBlkP, (int) SubCmd.Addr); + PktCmdP->SubCommand = MEMDUMP; + PktCmdP->SubAddr = SubCmd.Addr; + break; + case FCLOSE: + rio_dprintk(RIO_DEBUG_CTRL, "Queue FCLOSE command blk 0x%x\n", (int) CmdBlkP); + break; + case READ_REGISTER: + rio_dprintk(RIO_DEBUG_CTRL, "Queue READ_REGISTER (0x%x) command blk 0x%x\n", (int) SubCmd.Addr, (int) CmdBlkP); + PktCmdP->SubCommand = READ_REGISTER; + PktCmdP->SubAddr = SubCmd.Addr; + break; + case RESUME: + rio_dprintk(RIO_DEBUG_CTRL, "Queue RESUME command blk 0x%x\n", (int) CmdBlkP); + break; + case RFLUSH: + rio_dprintk(RIO_DEBUG_CTRL, "Queue RFLUSH command blk 0x%x\n", (int) CmdBlkP); + CmdBlkP->PostFuncP = RIORFlushEnable; + break; + case SUSPEND: + rio_dprintk(RIO_DEBUG_CTRL, "Queue SUSPEND command blk 0x%x\n", (int) CmdBlkP); + break; + + case MGET: + rio_dprintk(RIO_DEBUG_CTRL, "Queue MGET command blk 0x%x\n", (int) CmdBlkP); + break; + + case MSET: + case MBIC: + case MBIS: + CmdBlkP->Packet.data[4] = (char) PortP->ModemLines; + rio_dprintk(RIO_DEBUG_CTRL, "Queue MSET/MBIC/MBIS command blk 0x%x\n", (int) CmdBlkP); + break; + + case WFLUSH: + /* + ** If we have queued up the maximum number of Write flushes + ** allowed then we should not bother sending any more to the + ** RTA. + */ + if ((int) ((char) PortP->WflushFlag) == (int) -1) { + rio_dprintk(RIO_DEBUG_CTRL, "Trashed WFLUSH, WflushFlag about to wrap!"); + RIOFreeCmdBlk(CmdBlkP); + return (RIO_FAIL); + } else { + rio_dprintk(RIO_DEBUG_CTRL, "Queue WFLUSH command blk 0x%x\n", (int) CmdBlkP); + CmdBlkP->PostFuncP = RIOWFlushMark; + } + break; } PortP->InUse++; - Ret = RIOQueueCmdBlk( PortP->HostP, rup, CmdBlkP ); + Ret = RIOQueueCmdBlk(PortP->HostP, rup, CmdBlkP); return Ret; } diff --git a/drivers/char/rio/riodrvr.h b/drivers/char/rio/riodrvr.h index bc38ac5dfbd..663ee0914ed 100644 --- a/drivers/char/rio/riodrvr.h +++ b/drivers/char/rio/riodrvr.h @@ -33,7 +33,7 @@ #ifndef __riodrvr_h #define __riodrvr_h -#include <asm/param.h> /* for HZ */ +#include <asm/param.h> /* for HZ */ #ifdef SCCS_LABELS static char *_riodrvr_h_sccs_ = "@(#)riodrvr.h 1.3"; @@ -44,15 +44,15 @@ static char *_riodrvr_h_sccs_ = "@(#)riodrvr.h 1.3"; struct rio_info { - int mode; /* Intr or polled, word/byte */ - spinlock_t RIOIntrSem; /* Interrupt thread sem */ - int current_chan; /* current channel */ - int RIOFailed; /* Not initialised ? */ - int RIOInstallAttempts; /* no. of rio-install() calls */ - int RIOLastPCISearch; /* status of last search */ - int RIONumHosts; /* Number of RIO Hosts */ - struct Host * RIOHosts; /* RIO Host values */ - struct Port **RIOPortp; /* RIO port values */ + int mode; /* Intr or polled, word/byte */ + spinlock_t RIOIntrSem; /* Interrupt thread sem */ + int current_chan; /* current channel */ + int RIOFailed; /* Not initialised ? */ + int RIOInstallAttempts; /* no. of rio-install() calls */ + int RIOLastPCISearch; /* status of last search */ + int RIONumHosts; /* Number of RIO Hosts */ + struct Host *RIOHosts; /* RIO Host values */ + struct Port **RIOPortp; /* RIO port values */ /* ** 02.03.1999 ARG - ESIL 0820 fix ** We no longer use RIOBootMode @@ -60,9 +60,9 @@ struct rio_info { int RIOBootMode; * RIO boot mode * ** */ - int RIOPrintDisabled; /* RIO printing disabled ? */ - int RIOPrintLogState; /* RIO printing state ? */ - int RIOPolling; /* Polling ? */ + int RIOPrintDisabled; /* RIO printing disabled ? */ + int RIOPrintLogState; /* RIO printing state ? */ + int RIOPolling; /* Polling ? */ /* ** 09.12.1998 ARG - ESIL 0776 part fix ** The 'RIO_QUICK_CHECK' ioctl was using RIOHalted. @@ -70,61 +70,61 @@ struct rio_info { ** updated in RIOConCon() - to keep track of RTA connections/disconnections. ** 'RIO_QUICK_CHECK' now returns the value of RIORtaDisCons. */ - int RIOHalted; /* halted ? */ - int RIORtaDisCons; /* RTA connections/disconnections */ - uint RIOReadCheck; /* Rio read check */ - uint RIONoMessage; /* To display message or not */ - uint RIONumBootPkts; /* how many packets for an RTA */ - uint RIOBootCount; /* size of RTA code */ - uint RIOBooting; /* count of outstanding boots */ - uint RIOSystemUp; /* Booted ?? */ - uint RIOCounting; /* for counting interrupts */ - uint RIOIntCount; /* # of intr since last check */ - uint RIOTxCount; /* number of xmit intrs */ - uint RIORxCount; /* number of rx intrs */ - uint RIORupCount; /* number of rup intrs */ - int RIXTimer; - int RIOBufferSize; /* Buffersize */ - int RIOBufferMask; /* Buffersize */ - - int RIOFirstMajor; /* First host card's major no */ - - uint RIOLastPortsMapped; /* highest port number known */ - uint RIOFirstPortsMapped; /* lowest port number known */ - - uint RIOLastPortsBooted; /* highest port number running */ - uint RIOFirstPortsBooted; /* lowest port number running */ - - uint RIOLastPortsOpened; /* highest port number running */ - uint RIOFirstPortsOpened; /* lowest port number running */ + int RIOHalted; /* halted ? */ + int RIORtaDisCons; /* RTA connections/disconnections */ + uint RIOReadCheck; /* Rio read check */ + uint RIONoMessage; /* To display message or not */ + uint RIONumBootPkts; /* how many packets for an RTA */ + uint RIOBootCount; /* size of RTA code */ + uint RIOBooting; /* count of outstanding boots */ + uint RIOSystemUp; /* Booted ?? */ + uint RIOCounting; /* for counting interrupts */ + uint RIOIntCount; /* # of intr since last check */ + uint RIOTxCount; /* number of xmit intrs */ + uint RIORxCount; /* number of rx intrs */ + uint RIORupCount; /* number of rup intrs */ + int RIXTimer; + int RIOBufferSize; /* Buffersize */ + int RIOBufferMask; /* Buffersize */ + + int RIOFirstMajor; /* First host card's major no */ + + uint RIOLastPortsMapped; /* highest port number known */ + uint RIOFirstPortsMapped; /* lowest port number known */ + + uint RIOLastPortsBooted; /* highest port number running */ + uint RIOFirstPortsBooted; /* lowest port number running */ + + uint RIOLastPortsOpened; /* highest port number running */ + uint RIOFirstPortsOpened; /* lowest port number running */ /* Flag to say that the topology information has been changed. */ - uint RIOQuickCheck; - uint CdRegister; /* ??? */ - int RIOSignalProcess; /* Signalling process */ - int rio_debug; /* To debug ... */ - int RIODebugWait; /* For what ??? */ - int tpri; /* Thread prio */ - int tid; /* Thread id */ - uint _RIO_Polled; /* Counter for polling */ - uint _RIO_Interrupted; /* Counter for interrupt */ - int intr_tid; /* iointset return value */ - int TxEnSem; /* TxEnable Semaphore */ - - - struct Error RIOError; /* to Identify what went wrong */ - struct Conf RIOConf; /* Configuration ??? */ - struct ttystatics channel[RIO_PORTS]; /* channel information */ - char RIOBootPackets[1+(SIXTY_FOUR_K/RTA_BOOT_DATA_SIZE)] - [RTA_BOOT_DATA_SIZE]; - struct Map RIOConnectTable[TOTAL_MAP_ENTRIES]; - struct Map RIOSavedTable[TOTAL_MAP_ENTRIES]; + uint RIOQuickCheck; + uint CdRegister; /* ??? */ + int RIOSignalProcess; /* Signalling process */ + int rio_debug; /* To debug ... */ + int RIODebugWait; /* For what ??? */ + int tpri; /* Thread prio */ + int tid; /* Thread id */ + uint _RIO_Polled; /* Counter for polling */ + uint _RIO_Interrupted; /* Counter for interrupt */ + int intr_tid; /* iointset return value */ + int TxEnSem; /* TxEnable Semaphore */ + + + struct Error RIOError; /* to Identify what went wrong */ + struct Conf RIOConf; /* Configuration ??? */ + struct ttystatics channel[RIO_PORTS]; /* channel information */ + char RIOBootPackets[1 + (SIXTY_FOUR_K / RTA_BOOT_DATA_SIZE)] + [RTA_BOOT_DATA_SIZE]; + struct Map RIOConnectTable[TOTAL_MAP_ENTRIES]; + struct Map RIOSavedTable[TOTAL_MAP_ENTRIES]; /* RTA to host binding table for master/slave operation */ - ulong RIOBindTab[MAX_RTA_BINDINGS]; + ulong RIOBindTab[MAX_RTA_BINDINGS]; /* RTA memory dump variable */ - uchar RIOMemDump[MEMDUMP_SIZE]; - struct ModuleInfo RIOModuleTypes[MAX_MODULE_TYPES]; + uchar RIOMemDump[MEMDUMP_SIZE]; + struct ModuleInfo RIOModuleTypes[MAX_MODULE_TYPES]; }; @@ -141,4 +141,4 @@ struct rio_info { #define WRBYTE(x,y) *(volatile unsigned char *)((x)) = \ (unsigned char)(y) -#endif /* __riodrvr.h */ +#endif /* __riodrvr.h */ diff --git a/drivers/char/rio/rioinfo.h b/drivers/char/rio/rioinfo.h index e08421c9558..8de7966e603 100644 --- a/drivers/char/rio/rioinfo.h +++ b/drivers/char/rio/rioinfo.h @@ -41,29 +41,29 @@ static char *_rioinfo_h_sccs_ = "@(#)rioinfo.h 1.2"; ** Host card data structure */ struct RioHostInfo { - long location; /* RIO Card Base I/O address */ - long vector; /* RIO Card IRQ vector */ - int bus; /* ISA/EISA/MCA/PCI */ - int mode; /* pointer to host mode - INTERRUPT / POLLED */ + long location; /* RIO Card Base I/O address */ + long vector; /* RIO Card IRQ vector */ + int bus; /* ISA/EISA/MCA/PCI */ + int mode; /* pointer to host mode - INTERRUPT / POLLED */ struct old_sgttyb - * Sg; /* pointer to default term characteristics */ + *Sg; /* pointer to default term characteristics */ }; /* Mode in rio device info */ -#define INTERRUPTED_MODE 0x01 /* Interrupt is generated */ -#define POLLED_MODE 0x02 /* No interrupt */ -#define AUTO_MODE 0x03 /* Auto mode */ +#define INTERRUPTED_MODE 0x01 /* Interrupt is generated */ +#define POLLED_MODE 0x02 /* No interrupt */ +#define AUTO_MODE 0x03 /* Auto mode */ -#define WORD_ACCESS_MODE 0x10 /* Word Access Mode */ -#define BYTE_ACCESS_MODE 0x20 /* Byte Access Mode */ +#define WORD_ACCESS_MODE 0x10 /* Word Access Mode */ +#define BYTE_ACCESS_MODE 0x20 /* Byte Access Mode */ /* Bus type that RIO supports */ -#define ISA_BUS 0x01 /* The card is ISA */ -#define EISA_BUS 0x02 /* The card is EISA */ -#define MCA_BUS 0x04 /* The card is MCA */ -#define PCI_BUS 0x08 /* The card is PCI */ +#define ISA_BUS 0x01 /* The card is ISA */ +#define EISA_BUS 0x02 /* The card is EISA */ +#define MCA_BUS 0x04 /* The card is MCA */ +#define PCI_BUS 0x08 /* The card is PCI */ /* ** 11.11.1998 ARG - ESIL ???? part fix @@ -93,4 +93,4 @@ struct RioHostInfo { 'V' - '@' /* literal next char */ \ } -#endif /* __rioinfo_h */ +#endif /* __rioinfo_h */ diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c index 898a126ae3e..0d44ef464e6 100644 --- a/drivers/char/rio/rioinit.c +++ b/drivers/char/rio/rioinit.c @@ -87,222 +87,8 @@ static char *_rioinit_c_sccs_ = "@(#)rioinit.c 1.3"; int RIOPCIinit(struct rio_info *p, int Mode); -#if 0 -static void RIOAllocateInterrupts(struct rio_info *); -static int RIOReport(struct rio_info *); -static void RIOStopInterrupts(struct rio_info *, int, int); -#endif - static int RIOScrub(int, BYTE *, int); -#if 0 -extern int rio_intr(); - -/* -** Init time code. -*/ -void -rioinit( p, info ) -struct rio_info * p; -struct RioHostInfo * info; -{ - /* - ** Multi-Host card support - taking the easy way out - sorry ! - ** We allocate and set up the Host and Port structs when the - ** driver is called to 'install' the first host. - ** We check for this first 'call' by testing the RIOPortp pointer. - */ - if ( !p->RIOPortp ) - { - rio_dprintk (RIO_DEBUG_INIT, "Allocating and setting up driver data structures\n"); - - RIOAllocDataStructs(p); /* allocate host/port structs */ - RIOSetupDataStructs(p); /* setup topology structs */ - } - - RIOInitHosts( p, info ); /* hunt down the hardware */ - - RIOAllocateInterrupts(p); /* allocate interrupts */ - RIOReport(p); /* show what we found */ -} - -/* -** Initialise the Cards -*/ -void -RIOInitHosts(p, info) -struct rio_info * p; -struct RioHostInfo * info; -{ -/* -** 15.10.1998 ARG - ESIL 0762 part fix -** If there is no ISA card definition - we always look for PCI cards. -** As we currently only support one host card this lets an ISA card -** definition take precedence over PLUG and PLAY. -** No ISA card - we are PLUG and PLAY with PCI. -*/ - - /* - ** Note - for PCI both these will be zero, that's okay because - ** RIOPCIInit() fills them in if a card is found. - */ - p->RIOHosts[p->RIONumHosts].Ivec = info->vector; - p->RIOHosts[p->RIONumHosts].PaddrP = info->location; - - /* - ** Check that we are able to accommodate another host - */ - if ( p->RIONumHosts >= RIO_HOSTS ) - { - p->RIOFailed++; - return; - } - - if ( info->bus & ISA_BUS ) - { - rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (ISA)\n", p->RIONumHosts); - RIOISAinit(p, p->mode); - } - else - { - rio_dprintk (RIO_DEBUG_INIT, "initialising card %d (PCI)\n", p->RIONumHosts); - RIOPCIinit(p, RIO_PCI_DEFAULT_MODE); - } - - rio_dprintk (RIO_DEBUG_INIT, "Total hosts initialised so far : %d\n", p->RIONumHosts); - - -#ifdef FUTURE_RELEASE - if (p->bus & EISA_BUS) - /* EISA card */ - RIOEISAinit(p, RIO_EISA_DEFAULT_MODE); - - if (p->bus & MCA_BUS) - /* MCA card */ - RIOMCAinit(p, RIO_MCA_DEFAULT_MODE); -#endif -} - -/* -** go through memory for an AT host that we pass in the device info -** structure and initialise -*/ -void -RIOISAinit(p, mode) -struct rio_info * p; -int mode; -{ - - /* XXX Need to implement this. */ -#if 0 - p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec, - (int (*)())rio_intr, (char*)p->RIONumHosts); - - rio_dprintk (RIO_DEBUG_INIT, "Set interrupt handler, intr_tid = 0x%x\n", p->intr_tid ); - - if (RIODoAT(p, p->RIOHosts[p->RIONumHosts].PaddrP, mode)) { - return; - } - else { - rio_dprintk (RIO_DEBUG_INIT, "RIODoAT failed\n"); - p->RIOFailed++; - } -#endif - -} - -/* -** RIODoAT : -** -** Map in a boards physical address, check that the board is there, -** test the board and if everything is okay assign the board an entry -** in the Rio Hosts structure. -*/ -int -RIODoAT(p, Base, mode) -struct rio_info * p; -int Base; -int mode; -{ -#define FOUND 1 -#define NOT_FOUND 0 - - caddr_t cardAddr; - - /* - ** Check to see if we actually have a board at this physical address. - */ - if ((cardAddr = RIOCheckForATCard(Base)) != 0) { - /* - ** Now test the board to see if it is working. - */ - if (RIOBoardTest(Base, cardAddr, RIO_AT, 0) == RIO_SUCCESS) { - /* - ** Fill out a slot in the Rio host structure. - */ - if (RIOAssignAT(p, Base, cardAddr, mode)) { - return(FOUND); - } - } - RIOMapout(Base, RIO_AT_MEM_SIZE, cardAddr); - } - return(NOT_FOUND); -} - -caddr_t -RIOCheckForATCard(Base) -int Base; -{ - int off; - struct DpRam *cardp; /* (Points at the host) */ - caddr_t virtAddr; - unsigned char RIOSigTab[24]; -/* -** Table of values to search for as prom signature of a host card -*/ - strcpy(RIOSigTab, "JBJGPGGHINSMJPJR"); - - /* - ** Hey! Yes, You reading this code! Yo, grab a load a this: - ** - ** IF the card is using WORD MODE rather than BYTE MODE - ** then it will occupy 128K of PHYSICAL memory area. So, - ** you might think that the following Mapin is wrong. Well, - ** it isn't, because the SECOND 64K of occupied space is an - ** EXACT COPY of the FIRST 64K. (good?), so, we need only - ** map it in in one 64K block. - */ - if (RIOMapin(Base, RIO_AT_MEM_SIZE, &virtAddr) == -1) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't map the board in!\n"); - return((caddr_t)0); - } - - /* - ** virtAddr points to the DP ram of the system. - ** We now cast this to a pointer to a RIO Host, - ** and have a rummage about in the PROM. - */ - cardp = (struct DpRam *)virtAddr; - - for (off=0; RIOSigTab[off]; off++) { - if ((RBYTE(cardp->DpSignature[off]) & 0xFF) != RIOSigTab[off]) { - /* - ** Signature mismatch - card not at this address - */ - RIOMapout(Base, RIO_AT_MEM_SIZE, virtAddr); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Couldn't match the signature 0x%x 0x%x!\n", - (int)cardp, off); - return((caddr_t)0); - } - } - - /* - ** If we get here then we must have found a valid board so return - ** its virtual address. - */ - return(virtAddr); -} -#endif /** ** RIOAssignAT : @@ -367,667 +153,6 @@ int mode; rio_dprintk (RIO_DEBUG_INIT, "RIO-init: Tests Passed at 0x%x\n", Base); return(1); } -#if 0 -#ifdef FUTURE_RELEASE -int RIOMCAinit(int Mode) -{ - uchar SlotNumber; - caddr_t Caddr; - uint Paddr; - uint Ivec; - int Handle; - int ret = 0; - - /* - ** Valid mode information for MCA cards - ** is only FAST LINKS - */ - Mode = (Mode & FAST_LINKS) ? McaTpFastLinks : McaTpSlowLinks; - rio_dprintk (RIO_DEBUG_INIT, "RIOMCAinit(%d)\n",Mode); - - - /* - ** Check out each of the slots - */ - for (SlotNumber = 0; SlotNumber < McaMaxSlots; SlotNumber++) { - /* - ** Enable the slot we want to talk to - */ - outb( McaSlotSelect, SlotNumber | McaSlotEnable ); - - /* - ** Read the ID word from the slot - */ - if (((inb(McaIdHigh)<< 8)|inb(McaIdLow)) == McaRIOId) - { - rio_dprintk (RIO_DEBUG_INIT, "Potential MCA card in slot %d\n", SlotNumber); - - /* - ** Card appears to be a RIO MCA card! - */ - RIOMachineType |= (1<<RIO_MCA); - - /* - ** Just check we haven't found too many wonderful objects - */ - if ( RIONumHosts >= RIO_HOSTS ) - { - Rprintf(RIOMesgTooManyCards); - return(ret); - } - - /* - ** McaIrqEnable contains the interrupt vector, and a card - ** enable bit. - */ - Ivec = inb(McaIrqEnable); - - rio_dprintk (RIO_DEBUG_INIT, "Ivec is %x\n", Ivec); - - switch ( Ivec & McaIrqMask ) - { - case McaIrq9: - rio_dprintk (RIO_DEBUG_INIT, "IRQ9\n"); - break; - case McaIrq3: - rio_dprintk (RIO_DEBUG_INIT, "IRQ3\n"); - break; - case McaIrq4: - rio_dprintk (RIO_DEBUG_INIT, "IRQ4\n"); - break; - case McaIrq7: - rio_dprintk (RIO_DEBUG_INIT, "IRQ7\n"); - break; - case McaIrq10: - rio_dprintk (RIO_DEBUG_INIT, "IRQ10\n"); - break; - case McaIrq11: - rio_dprintk (RIO_DEBUG_INIT, "IRQ11\n"); - break; - case McaIrq12: - rio_dprintk (RIO_DEBUG_INIT, "IRQ12\n"); - break; - case McaIrq15: - rio_dprintk (RIO_DEBUG_INIT, "IRQ15\n"); - break; - } - - /* - ** If the card enable bit isn't set, then set it! - */ - if ((Ivec & McaCardEnable) != McaCardEnable) { - rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable not set - setting!\n"); - outb(McaIrqEnable,Ivec|McaCardEnable); - } else - rio_dprintk (RIO_DEBUG_INIT, "McaCardEnable already set\n"); - - /* - ** Convert the IRQ enable mask into something useful - */ - Ivec = RIOMcaToIvec[Ivec & McaIrqMask]; - - /* - ** Find the physical address - */ - rio_dprintk (RIO_DEBUG_INIT, "inb(McaMemory) is %x\n", inb(McaMemory)); - Paddr = McaAddress(inb(McaMemory)); - - rio_dprintk (RIO_DEBUG_INIT, "MCA card has Ivec %d Addr %x\n", Ivec, Paddr); - - if ( Paddr != 0 ) - { - - /* - ** Tell the memory mapper that we want to talk to it - */ - Handle = RIOMapin( Paddr, RIO_MCA_MEM_SIZE, &Caddr ); - - if ( Handle == -1 ) { - rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n", RIO_MCA_MEM_SIZE, Paddr; - continue; - } - - rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr); - - /* - ** And check that it is actually there! - */ - if ( RIOBoardTest( Paddr,Caddr,RIO_MCA,SlotNumber ) == RIO_SUCCESS ) - { - rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n"); - rio_dprintk (RIO_DEBUG_INIT, "Slot %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n", - SlotNumber, RIO_MCA, Paddr, Caddr, Mode); - - /* - ** Board has passed its scrub test. Fill in all the - ** transient stuff. - */ - p->RIOHosts[RIONumHosts].Slot = SlotNumber; - p->RIOHosts[RIONumHosts].Ivec = Ivec; - p->RIOHosts[RIONumHosts].Type = RIO_MCA; - p->RIOHosts[RIONumHosts].Copy = bcopy; - p->RIOHosts[RIONumHosts].PaddrP = Paddr; - p->RIOHosts[RIONumHosts].Caddr = Caddr; - p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr; - p->RIOHosts[RIONumHosts].Mode = Mode; - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt , 0xff); - p->RIOHosts[RIONumHosts].UniqueNum = - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24); - RIONumHosts++; - ret++; - } - else - { - /* - ** It failed the test, so ignore it. - */ - rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n"); - RIOMapout(Paddr, RIO_MCA_MEM_SIZE, Caddr ); - } - } - else - { - rio_dprintk (RIO_DEBUG_INIT, "Slot %d - Paddr zero!\n", SlotNumber); - } - } - else - { - rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber); - } - } - /* - ** Now we have checked all the slots, turn off the MCA slot selector - */ - outb(McaSlotSelect,0); - rio_dprintk (RIO_DEBUG_INIT, "Slot %d NOT RIO\n", SlotNumber); - return ret; -} - -int RIOEISAinit( int Mode ) -{ - static int EISADone = 0; - uint Paddr; - int PollIntMixMsgDone = 0; - caddr_t Caddr; - ushort Ident; - uchar EisaSlot; - uchar Ivec; - int ret = 0; - - /* - ** The only valid mode information for EISA hosts is fast or slow - ** links. - */ - Mode = (Mode & FAST_LINKS) ? EISA_TP_FAST_LINKS : EISA_TP_SLOW_LINKS; - - if ( EISADone ) - { - rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit() - already done, return.\n"); - return(0); - } - - EISADone++; - - rio_dprintk (RIO_DEBUG_INIT, "RIOEISAinit()\n"); - - - /* - ** First check all cards to see if ANY are set for polled mode operation. - ** If so, set ALL to polled. - */ - - for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ ) - { - Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) | - INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO); - - if ( Ident == RIO_EISA_IDENT ) - { - rio_dprintk (RIO_DEBUG_INIT, "Found Specialix product\n"); - - if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE ) - { - rio_dprintk (RIO_DEBUG_INIT, "Not Specialix RIO - Product number %x\n", - INBZ(EisaSlot, EISA_PRODUCT_NUMBER)); - continue; /* next slot */ - } - /* - ** Its a Specialix RIO! - */ - rio_dprintk (RIO_DEBUG_INIT, "RIO Revision %d\n", - INBZ(EisaSlot, EISA_REVISION_NUMBER)); - - RIOMachineType |= (1<<RIO_EISA); - - /* - ** Just check we haven't found too many wonderful objects - */ - if ( RIONumHosts >= RIO_HOSTS ) - { - Rprintf(RIOMesgTooManyCards); - return 0; - } - - /* - ** Ensure that the enable bit is set! - */ - OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT ); - - /* - ** EISA_INTERRUPT_VEC contains the interrupt vector. - */ - Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC); - -#ifdef RIODEBUG - switch ( Ivec & EISA_INTERRUPT_MASK ) - { - case EISA_IRQ_3: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 3\n"); - break; - case EISA_IRQ_4: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 4\n"); - break; - case EISA_IRQ_5: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 5\n"); - break; - case EISA_IRQ_6: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 6\n"); - break; - case EISA_IRQ_7: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 7\n"); - break; - case EISA_IRQ_9: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 9\n"); - break; - case EISA_IRQ_10: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 10\n"); - break; - case EISA_IRQ_11: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 11\n"); - break; - case EISA_IRQ_12: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 12\n"); - break; - case EISA_IRQ_14: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 14\n"); - break; - case EISA_IRQ_15: - rio_dprintk (RIO_DEBUG_INIT, "EISA IRQ 15\n"); - break; - case EISA_POLLED: - rio_dprintk (RIO_DEBUG_INIT, "EISA POLLED\n"); - break; - default: - rio_dprintk (RIO_DEBUG_INIT, NULL,DBG_INIT|DBG_FAIL,"Shagged interrupt number!\n"); - Ivec &= EISA_CONTROL_MASK; - } -#endif - - if ( (Ivec & EISA_INTERRUPT_MASK) == - EISA_POLLED ) - { - RIOWillPoll = 1; - break; /* From EisaSlot loop */ - } - } - } - - /* - ** Do it all again now we know whether to change all cards to polled - ** mode or not - */ - - for ( EisaSlot=1; EisaSlot<=RIO_MAX_EISA_SLOTS; EisaSlot++ ) - { - Ident = (INBZ(EisaSlot,EISA_PRODUCT_IDENT_HI)<<8) | - INBZ(EisaSlot,EISA_PRODUCT_IDENT_LO); - - if ( Ident == RIO_EISA_IDENT ) - { - if ( INBZ(EisaSlot,EISA_PRODUCT_NUMBER) != RIO_EISA_PRODUCT_CODE ) - continue; /* next slot */ - - /* - ** Its a Specialix RIO! - */ - - /* - ** Ensure that the enable bit is set! - */ - OUTBZ( EisaSlot, EISA_ENABLE, RIO_EISA_ENABLE_BIT ); - - /* - ** EISA_INTERRUPT_VEC contains the interrupt vector. - */ - Ivec = INBZ(EisaSlot,EISA_INTERRUPT_VEC); - - if ( RIOWillPoll ) - { - /* - ** If we are going to operate in polled mode, but this - ** board is configured to be interrupt driven, display - ** the message explaining the situation to the punter, - ** assuming we haven't already done so. - */ - - if ( !PollIntMixMsgDone && - (Ivec & EISA_INTERRUPT_MASK) != EISA_POLLED ) - { - Rprintf(RIOMesgAllPolled); - PollIntMixMsgDone = 1; - } - - /* - ** Ungraciously ignore whatever the board reports as its - ** interrupt vector... - */ - - Ivec &= ~EISA_INTERRUPT_MASK; - - /* - ** ...and force it to dance to the poll tune. - */ - - Ivec |= EISA_POLLED; - } - - /* - ** Convert the IRQ enable mask into something useful (0-15) - */ - Ivec = RIOEisaToIvec(Ivec); - - rio_dprintk (RIO_DEBUG_INIT, "EISA host in slot %d has Ivec 0x%x\n", - EisaSlot, Ivec); - - /* - ** Find the physical address - */ - Paddr = (INBZ(EisaSlot,EISA_MEMORY_BASE_HI)<<24) | - (INBZ(EisaSlot,EISA_MEMORY_BASE_LO)<<16); - - rio_dprintk (RIO_DEBUG_INIT, "EISA card has Ivec %d Addr %x\n", Ivec, Paddr); - - if ( Paddr == 0 ) - { - rio_dprintk (RIO_DEBUG_INIT, - "Board in slot %d configured for address zero!\n", EisaSlot); - continue; - } - - /* - ** Tell the memory mapper that we want to talk to it - */ - rio_dprintk (RIO_DEBUG_INIT, "About to map EISA card \n"); - - if (RIOMapin( Paddr, RIO_EISA_MEM_SIZE, &Caddr) == -1) { - rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at %x\n", - RIO_EISA_MEM_SIZE,Paddr); - continue; - } - - rio_dprintk (RIO_DEBUG_INIT, "Board mapped to vaddr 0x%x\n", Caddr); - - /* - ** And check that it is actually there! - */ - if ( RIOBoardTest( Paddr,Caddr,RIO_EISA,EisaSlot) == RIO_SUCCESS ) - { - rio_dprintk (RIO_DEBUG_INIT, "Board has passed test\n"); - rio_dprintk (RIO_DEBUG_INIT, - "Slot %d. Ivec %d. Type %d. Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n", - EisaSlot,Ivec,RIO_EISA,Paddr,Caddr,Mode); - - /* - ** Board has passed its scrub test. Fill in all the - ** transient stuff. - */ - p->RIOHosts[RIONumHosts].Slot = EisaSlot; - p->RIOHosts[RIONumHosts].Ivec = Ivec; - p->RIOHosts[RIONumHosts].Type = RIO_EISA; - p->RIOHosts[RIONumHosts].Copy = bcopy; - p->RIOHosts[RIONumHosts].PaddrP = Paddr; - p->RIOHosts[RIONumHosts].Caddr = Caddr; - p->RIOHosts[RIONumHosts].CardP = (struct DpRam *)Caddr; - p->RIOHosts[RIONumHosts].Mode = Mode; - /* - ** because the EISA prom is mapped into IO space, we - ** need to copy the unqiue number into the memory area - ** that it would have occupied, so that the download - ** code can determine its ID and card type. - */ - WBYTE(p->RIOHosts[RIONumHosts].Unique[0],INBZ(EisaSlot,EISA_UNIQUE_NUM_0)); - WBYTE(p->RIOHosts[RIONumHosts].Unique[1],INBZ(EisaSlot,EISA_UNIQUE_NUM_1)); - WBYTE(p->RIOHosts[RIONumHosts].Unique[2],INBZ(EisaSlot,EISA_UNIQUE_NUM_2)); - WBYTE(p->RIOHosts[RIONumHosts].Unique[3],INBZ(EisaSlot,EISA_UNIQUE_NUM_3)); - p->RIOHosts[RIONumHosts].UniqueNum = - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[0])&0xFF)<<0)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[1])&0xFF)<<8)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[2])&0xFF)<<16)| - ((RBYTE(p->RIOHosts[RIONumHosts].Unique[3])&0xFF)<<24); - INBZ(EisaSlot,EISA_INTERRUPT_RESET); - RIONumHosts++; - ret++; - } - else - { - /* - ** It failed the test, so ignore it. - */ - rio_dprintk (RIO_DEBUG_INIT, "TEST FAILED\n"); - - RIOMapout(Paddr, RIO_EISA_MEM_SIZE, Caddr ); - } - } - } - if (RIOMachineType & RIO_EISA) - return ret+1; - return ret; -} -#endif - - -#ifndef linux - -#define CONFIG_ADDRESS 0xcf8 -#define CONFIG_DATA 0xcfc -#define FORWARD_REG 0xcfa - - -static int -read_config(int bus_number, int device_num, int r_number) -{ - unsigned int cav; - unsigned int val; - -/* - Build config_address_value: - - 31 24 23 16 15 11 10 8 7 0 - ------------------------------------------------------ - |1| 0000000 | bus_number | device # | 000 | register | - ------------------------------------------------------ -*/ - - cav = r_number & 0xff; - cav |= ((device_num & 0x1f) << 11); - cav |= ((bus_number & 0xff) << 16); - cav |= 0x80000000; /* Enable bit */ - outpd(CONFIG_ADDRESS,cav); - val = inpd(CONFIG_DATA); - outpd(CONFIG_ADDRESS,0); - return val; -} - -static -write_config(bus_number,device_num,r_number,val) -{ - unsigned int cav; - -/* - Build config_address_value: - - 31 24 23 16 15 11 10 8 7 0 - ------------------------------------------------------ - |1| 0000000 | bus_number | device # | 000 | register | - ------------------------------------------------------ -*/ - - cav = r_number & 0xff; - cav |= ((device_num & 0x1f) << 11); - cav |= ((bus_number & 0xff) << 16); - cav |= 0x80000000; /* Enable bit */ - outpd(CONFIG_ADDRESS, cav); - outpd(CONFIG_DATA, val); - outpd(CONFIG_ADDRESS, 0); - return val; -} -#else -/* XXX Implement these... */ -static int -read_config(int bus_number, int device_num, int r_number) -{ - return 0; -} - -static int -write_config(int bus_number, int device_num, int r_number) -{ - return 0; -} - -#endif - -int -RIOPCIinit(p, Mode) -struct rio_info *p; -int Mode; -{ - #define MAX_PCI_SLOT 32 - #define RIO_PCI_JET_CARD 0x200011CB - - static int slot; /* count of machine's PCI slots searched so far */ - caddr_t Caddr; /* Virtual address of the current PCI host card. */ - unsigned char Ivec; /* interrupt vector for the current PCI host */ - unsigned long Paddr; /* Physical address for the current PCI host */ - int Handle; /* Handle to Virtual memory allocated for current PCI host */ - - - rio_dprintk (RIO_DEBUG_INIT, "Search for a RIO PCI card - start at slot %d\n", slot); - - /* - ** Initialise the search status - */ - p->RIOLastPCISearch = RIO_FAIL; - - while ( (slot < MAX_PCI_SLOT) & (p->RIOLastPCISearch != RIO_SUCCESS) ) - { - rio_dprintk (RIO_DEBUG_INIT, "Currently testing slot %d\n", slot); - - if (read_config(0,slot,0) == RIO_PCI_JET_CARD) { - p->RIOHosts[p->RIONumHosts].Ivec = 0; - Paddr = read_config(0,slot,0x18); - Paddr = Paddr - (Paddr & 0x1); /* Mask off the io bit */ - - if ( (Paddr == 0) || ((Paddr & 0xffff0000) == 0xffff0000) ) { - rio_dprintk (RIO_DEBUG_INIT, "Goofed up slot\n"); /* what! */ - slot++; - continue; - } - - p->RIOHosts[p->RIONumHosts].PaddrP = Paddr; - Ivec = (read_config(0,slot,0x3c) & 0xff); - - rio_dprintk (RIO_DEBUG_INIT, "PCI Host at 0x%x, Intr %d\n", (int)Paddr, Ivec); - - Handle = RIOMapin( Paddr, RIO_PCI_MEM_SIZE, &Caddr ); - if (Handle == -1) { - rio_dprintk (RIO_DEBUG_INIT, "Couldn't map %d bytes at 0x%x\n", RIO_PCI_MEM_SIZE, (int)Paddr); - slot++; - continue; - } - p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32; - p->intr_tid = iointset(p->RIOHosts[p->RIONumHosts].Ivec, - (int (*)())rio_intr, (char *)p->RIONumHosts); - if (RIOBoardTest( Paddr, Caddr, RIO_PCI, 0 ) == RIO_SUCCESS) { - rio_dprintk (RIO_DEBUG_INIT, ("Board has passed test\n"); - rio_dprintk (RIO_DEBUG_INIT, ("Paddr 0x%x. Caddr 0x%x. Mode 0x%x.\n", Paddr, Caddr, Mode); - - /* - ** Board has passed its scrub test. Fill in all the - ** transient stuff. - */ - p->RIOHosts[p->RIONumHosts].Slot = 0; - p->RIOHosts[p->RIONumHosts].Ivec = Ivec + 32; - p->RIOHosts[p->RIONumHosts].Type = RIO_PCI; - p->RIOHosts[p->RIONumHosts].Copy = rio_pcicopy; - p->RIOHosts[p->RIONumHosts].PaddrP = Paddr; - p->RIOHosts[p->RIONumHosts].Caddr = Caddr; - p->RIOHosts[p->RIONumHosts].CardP = (struct DpRam *)Caddr; - p->RIOHosts[p->RIONumHosts].Mode = Mode; - -#if 0 - WBYTE(p->RIOHosts[p->RIONumHosts].Control, - BOOT_FROM_RAM | EXTERNAL_BUS_OFF | - p->RIOHosts[p->RIONumHosts].Mode | - INTERRUPT_DISABLE ); - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff); - WBYTE(p->RIOHosts[p->RIONumHosts].Control, - BOOT_FROM_RAM | EXTERNAL_BUS_OFF | - p->RIOHosts[p->RIONumHosts].Mode | - INTERRUPT_DISABLE ); - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt,0xff); -#else - WBYTE(p->RIOHosts[p->RIONumHosts].ResetInt, 0xff); -#endif - p->RIOHosts[p->RIONumHosts].UniqueNum = - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[0])&0xFF)<<0)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[1])&0xFF)<<8)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[2])&0xFF)<<16)| - ((RBYTE(p->RIOHosts[p->RIONumHosts].Unique[3])&0xFF)<<24); - - rio_dprintk (RIO_DEBUG_INIT, "Unique no 0x%x.\n", - p->RIOHosts[p->RIONumHosts].UniqueNum); - - p->RIOLastPCISearch = RIO_SUCCESS; - p->RIONumHosts++; - } - } - slot++; - } - - if ( slot >= MAX_PCI_SLOT ) { - rio_dprintk (RIO_DEBUG_INIT, "All %d PCI slots have tested for RIO cards !!!\n", - MAX_PCI_SLOT); - } - - - /* - ** I don't think we want to do this anymore - ** - - if (!p->RIOLastPCISearch == RIO_FAIL ) { - p->RIOFailed++; - } - - ** - */ -} - -#ifdef FUTURE_RELEASE -void riohalt( void ) -{ - int host; - for ( host=0; host<p->RIONumHosts; host++ ) - { - rio_dprintk (RIO_DEBUG_INIT, "Stop host %d\n", host); - (void)RIOBoardTest( p->RIOHosts[host].PaddrP, p->RIOHosts[host].Caddr, p->RIOHosts[host].Type,p->RIOHosts[host].Slot ); - } -} -#endif -#endif static uchar val[] = { #ifdef VERY_LONG_TEST @@ -1262,200 +387,6 @@ int size; return RIO_SUCCESS; } -/* -** try to ensure that every host is either in polled mode -** or is in interrupt mode. Only allow interrupt mode if -** all hosts can interrupt (why?) -** and force into polled mode if told to. Patch up the -** interrupt vector & salute The Queen when you've done. -*/ -#if 0 -static void -RIOAllocateInterrupts(p) -struct rio_info * p; -{ - int Host; - - /* - ** Easy case - if we have been told to poll, then we poll. - */ - if (p->mode & POLLED_MODE) { - RIOStopInterrupts(p, 0, 0); - return; - } - - /* - ** check - if any host has been set to polled mode, then all must be. - */ - for (Host=0; Host<p->RIONumHosts; Host++) { - if ( (p->RIOHosts[Host].Type != RIO_AT) && - (p->RIOHosts[Host].Ivec == POLLED) ) { - RIOStopInterrupts(p, 1, Host ); - return; - } - } - for (Host=0; Host<p->RIONumHosts; Host++) { - if (p->RIOHosts[Host].Type == RIO_AT) { - if ( (p->RIOHosts[Host].Ivec - 32) == 0) { - RIOStopInterrupts(p, 2, Host ); - return; - } - } - } -} - -/* -** something has decided that we can't be doing with these -** new-fangled interrupt thingies. Set everything up to just -** poll. -*/ -static void -RIOStopInterrupts(p, Reason, Host) -struct rio_info * p; -int Reason; -int Host; -{ -#ifdef FUTURE_RELEASE - switch (Reason) { - case 0: /* forced into polling by rio_polled */ - break; - case 1: /* SCU has set 'Host' into polled mode */ - break; - case 2: /* there aren't enough interrupt vectors for 'Host' */ - break; - } -#endif - - for (Host=0; Host<p->RIONumHosts; Host++ ) { - struct Host *HostP = &p->RIOHosts[Host]; - - switch (HostP->Type) { - case RIO_AT: - /* - ** The AT host has it's interrupts disabled by clearing the - ** int_enable bit. - */ - HostP->Mode &= ~INTERRUPT_ENABLE; - HostP->Ivec = POLLED; - break; -#ifdef FUTURE_RELEASE - case RIO_EISA: - /* - ** The EISA host has it's interrupts disabled by setting the - ** Ivec to zero - */ - HostP->Ivec = POLLED; - break; -#endif - case RIO_PCI: - /* - ** The PCI host has it's interrupts disabled by clearing the - ** int_enable bit, like a regular host card. - */ - HostP->Mode &= ~RIO_PCI_INT_ENABLE; - HostP->Ivec = POLLED; - break; -#ifdef FUTURE_RELEASE - case RIO_MCA: - /* - ** There's always one, isn't there? - ** The MCA host card cannot have it's interrupts disabled. - */ - RIOPatchVec(HostP); - break; -#endif - } - } -} - -/* -** This function is called at init time to setup the data structures. -*/ -void -RIOAllocDataStructs(p) -struct rio_info * p; -{ - int port, - host, - tm; - - p->RIOPortp = (struct Port *)sysbrk(RIO_PORTS * sizeof(struct Port)); - if (!p->RIOPortp) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for port structures\n"); - p->RIOFailed++; - return; - } - bzero( p->RIOPortp, sizeof(struct Port) * RIO_PORTS ); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for port structs\n"); - rio_dprintk (RIO_DEBUG_INIT, "First RIO port struct @0x%x, size=0x%x bytes\n", - (int)p->RIOPortp, sizeof(struct Port)); - - for( port=0; port<RIO_PORTS; port++ ) { - p->RIOPortp[port].PortNum = port; - p->RIOPortp[port].TtyP = &p->channel[port]; - sreset (p->RIOPortp[port].InUse); /* Let the first guy uses it */ - p->RIOPortp[port].portSem = -1; /* Let the first guy takes it */ - p->RIOPortp[port].ParamSem = -1; /* Let the first guy takes it */ - p->RIOPortp[port].timeout_id = 0; /* Let the first guy takes it */ - } - - p->RIOHosts = (struct Host *)sysbrk(RIO_HOSTS * sizeof(struct Host)); - if (!p->RIOHosts) { - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: No memory for host structures\n"); - p->RIOFailed++; - return; - } - bzero(p->RIOHosts, sizeof(struct Host)*RIO_HOSTS); - rio_dprintk (RIO_DEBUG_INIT, "RIO-init: allocated and cleared memory for host structs\n"); - rio_dprintk (RIO_DEBUG_INIT, "First RIO host struct @0x%x, size=0x%x bytes\n", - (int)p->RIOHosts, sizeof(struct Host)); - - for( host=0; host<RIO_HOSTS; host++ ) { - spin_lock_init (&p->RIOHosts[host].HostLock); - p->RIOHosts[host].timeout_id = 0; /* Let the first guy takes it */ - } - /* - ** check that the buffer size is valid, round down to the next power of - ** two if necessary; if the result is zero, then, hey, no double buffers. - */ - for ( tm = 1; tm && tm <= p->RIOConf.BufferSize; tm <<= 1 ) - ; - tm >>= 1; - p->RIOBufferSize = tm; - p->RIOBufferMask = tm ? tm - 1 : 0; -} - -/* -** this function gets called whenever the data structures need to be -** re-setup, for example, after a riohalt (why did I ever invent it?) -*/ -void -RIOSetupDataStructs(p) -struct rio_info * p; -{ - int host, entry, rup; - - for ( host=0; host<RIO_HOSTS; host++ ) { - struct Host *HostP = &p->RIOHosts[host]; - for ( entry=0; entry<LINKS_PER_UNIT; entry++ ) { - HostP->Topology[entry].Unit = ROUTE_DISCONNECT; - HostP->Topology[entry].Link = NO_LINK; - } - bcopy("HOST X", HostP->Name, 7); - HostP->Name[5] = '1'+host; - for (rup=0; rup<(MAX_RUP + LINKS_PER_UNIT); rup++) { - if (rup < MAX_RUP) { - for (entry=0; entry<LINKS_PER_UNIT; entry++ ) { - HostP->Mapping[rup].Topology[entry].Unit = ROUTE_DISCONNECT; - HostP->Mapping[rup].Topology[entry].Link = NO_LINK; - } - RIODefaultName(p, HostP, rup); - } - spin_lock_init(&HostP->UnixRups[rup].RupLock); - } - } -} -#endif int RIODefaultName(p, HostP, UnitId) @@ -1463,10 +394,6 @@ struct rio_info * p; struct Host * HostP; uint UnitId; { -#ifdef CHECK - CheckHost( Host ); - CheckUnitId( UnitId ); -#endif bcopy("UNKNOWN RTA X-XX",HostP->Mapping[UnitId].Name,17); HostP->Mapping[UnitId].Name[12]='1'+(HostP-p->RIOHosts); if ((UnitId+1) > 9) { @@ -1483,33 +410,6 @@ uint UnitId; #define RIO_RELEASE "Linux" #define RELEASE_ID "1.0" -#if 0 -static int -RIOReport(p) -struct rio_info * p; -{ - char * RIORelease = RIO_RELEASE; - char * RIORelID = RELEASE_ID; - int host; - - rio_dprintk (RIO_DEBUG_INIT, "RIO : Release: %s ID: %s\n", RIORelease, RIORelID); - - if ( p->RIONumHosts==0 ) { - rio_dprintk (RIO_DEBUG_INIT, "\nNo Hosts configured\n"); - return(0); - } - - for ( host=0; host < p->RIONumHosts; host++ ) { - struct Host *HostP = &p->RIOHosts[host]; - switch ( HostP->Type ) { - case RIO_AT: - rio_dprintk (RIO_DEBUG_INIT, "AT BUS : found the card at 0x%x\n", HostP->PaddrP); - } - } - return 0; -} -#endif - static struct rioVersion stVersion; struct rioVersion * @@ -1523,27 +423,6 @@ RIOVersid(void) return &stVersion; } -#if 0 -int -RIOMapin(paddr, size, vaddr) -paddr_t paddr; -int size; -caddr_t * vaddr; -{ - *vaddr = (caddr_t)permap( (long)paddr, size); - return ((int)*vaddr); -} - -void -RIOMapout(paddr, size, vaddr) -paddr_t paddr; -long size; -caddr_t vaddr; -{ -} -#endif - - void RIOHostReset(Type, DpRamP, Slot) uint Type; @@ -1570,31 +449,6 @@ uint Slot; WBYTE(DpRamP->DpResetTpu, 0xFF); udelay(3); break; -#ifdef FUTURE_RELEASE - case RIO_EISA: - /* - ** Bet this doesn't work! - */ - OUTBZ( Slot, EISA_CONTROL_PORT, - EISA_TP_RUN | EISA_TP_BUS_DISABLE | - EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM ); - OUTBZ( Slot, EISA_CONTROL_PORT, - EISA_TP_RESET | EISA_TP_BUS_DISABLE | - EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM ); - suspend( 3 ); - OUTBZ( Slot, EISA_CONTROL_PORT, - EISA_TP_RUN | EISA_TP_BUS_DISABLE | - EISA_TP_SLOW_LINKS | EISA_TP_BOOT_FROM_RAM ); - break; - case RIO_MCA: - WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable ); - WBYTE(DpRamP->DpResetTpu , 0xFF ); - suspend( 3 ); - WBYTE(DpRamP->DpControl , McaTpBootFromRam | McaTpBusDisable ); - WBYTE(DpRamP->DpResetTpu , 0xFF ); - suspend( 3 ); - break; -#endif case RIO_PCI: rio_dprintk (RIO_DEBUG_INIT, " (RIO_PCI)\n"); DpRamP->DpControl = RIO_PCI_BOOT_FROM_RAM; @@ -1604,12 +458,6 @@ uint Slot; /* for (i=0; i<6000; i++); */ /* suspend( 3 ); */ break; -#ifdef FUTURE_RELEASE - default: - Rprintf(RIOMesgNoSupport,Type,DpRamP,Slot); - return; -#endif - default: rio_dprintk (RIO_DEBUG_INIT, " (UNKNOWN)\n"); break; diff --git a/drivers/char/rio/riointr.c b/drivers/char/rio/riointr.c index e42e7b50bf6..34d8787557a 100644 --- a/drivers/char/rio/riointr.c +++ b/drivers/char/rio/riointr.c @@ -38,6 +38,7 @@ static char *_riointr_c_sccs_ = "@(#)riointr.c 1.2"; #include <linux/slab.h> #include <linux/errno.h> #include <linux/tty.h> +#include <linux/tty_flip.h> #include <asm/io.h> #include <asm/system.h> #include <asm/string.h> @@ -87,99 +88,93 @@ static char *_riointr_c_sccs_ = "@(#)riointr.c 1.2"; static void RIOReceive(struct rio_info *, struct Port *); -static char *firstchars (char *p, int nch) +static char *firstchars(char *p, int nch) { - static char buf[2][128]; - static int t=0; - t = ! t; - memcpy (buf[t], p, nch); - buf[t][nch] = 0; - return buf[t]; + static char buf[2][128]; + static int t = 0; + t = !t; + memcpy(buf[t], p, nch); + buf[t][nch] = 0; + return buf[t]; } #define INCR( P, I ) ((P) = (((P)+(I)) & p->RIOBufferMask)) /* Enable and start the transmission of packets */ -void -RIOTxEnable(en) -char * en; +void RIOTxEnable(en) +char *en; { - struct Port * PortP; - struct rio_info *p; - struct tty_struct* tty; - int c; - struct PKT * PacketP; - unsigned long flags; - - PortP = (struct Port *)en; - p = (struct rio_info *)PortP->p; - tty = PortP->gs.tty; - - - rio_dprintk (RIO_DEBUG_INTR, "tx port %d: %d chars queued.\n", - PortP->PortNum, PortP->gs.xmit_cnt); - - if (!PortP->gs.xmit_cnt) return; - - - /* This routine is an order of magnitude simpler than the specialix - version. One of the disadvantages is that this version will send - an incomplete packet (usually 64 bytes instead of 72) once for - every 4k worth of data. Let's just say that this won't influence - performance significantly..... */ - - rio_spin_lock_irqsave(&PortP->portSem, flags); - - while (can_add_transmit( &PacketP, PortP )) { - c = PortP->gs.xmit_cnt; - if (c > PKT_MAX_DATA_LEN) c = PKT_MAX_DATA_LEN; - - /* Don't copy past the end of the source buffer */ - if (c > SERIAL_XMIT_SIZE - PortP->gs.xmit_tail) - c = SERIAL_XMIT_SIZE - PortP->gs.xmit_tail; - - { int t; - t = (c > 10)?10:c; - - rio_dprintk (RIO_DEBUG_INTR, "rio: tx port %d: copying %d chars: %s - %s\n", - PortP->PortNum, c, - firstchars (PortP->gs.xmit_buf + PortP->gs.xmit_tail , t), - firstchars (PortP->gs.xmit_buf + PortP->gs.xmit_tail + c-t, t)); - } - /* If for one reason or another, we can't copy more data, - we're done! */ - if (c == 0) break; - - rio_memcpy_toio (PortP->HostP->Caddr, (caddr_t)PacketP->data, - PortP->gs.xmit_buf + PortP->gs.xmit_tail, c); - /* udelay (1); */ - - writeb (c, &(PacketP->len)); - if (!( PortP->State & RIO_DELETED ) ) { - add_transmit ( PortP ); - /* - ** Count chars tx'd for port statistics reporting - */ - if ( PortP->statsGather ) - PortP->txchars += c; - } - PortP->gs.xmit_tail = (PortP->gs.xmit_tail + c) & (SERIAL_XMIT_SIZE-1); - PortP->gs.xmit_cnt -= c; - } - - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - - if (PortP->gs.xmit_cnt <= (PortP->gs.wakeup_chars + 2*PKT_MAX_DATA_LEN)) { - rio_dprintk (RIO_DEBUG_INTR, "Waking up.... ldisc:%d (%d/%d)....", - (int)(PortP->gs.tty->flags & (1 << TTY_DO_WRITE_WAKEUP)), - PortP->gs.wakeup_chars, PortP->gs.xmit_cnt); - if ((PortP->gs.tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && - PortP->gs.tty->ldisc.write_wakeup) - (PortP->gs.tty->ldisc.write_wakeup)(PortP->gs.tty); - rio_dprintk (RIO_DEBUG_INTR, "(%d/%d)\n", - PortP->gs.wakeup_chars, PortP->gs.xmit_cnt); - wake_up_interruptible(&PortP->gs.tty->write_wait); - } + struct Port *PortP; + struct rio_info *p; + struct tty_struct *tty; + int c; + struct PKT *PacketP; + unsigned long flags; + + PortP = (struct Port *) en; + p = (struct rio_info *) PortP->p; + tty = PortP->gs.tty; + + + rio_dprintk(RIO_DEBUG_INTR, "tx port %d: %d chars queued.\n", PortP->PortNum, PortP->gs.xmit_cnt); + + if (!PortP->gs.xmit_cnt) + return; + + + /* This routine is an order of magnitude simpler than the specialix + version. One of the disadvantages is that this version will send + an incomplete packet (usually 64 bytes instead of 72) once for + every 4k worth of data. Let's just say that this won't influence + performance significantly..... */ + + rio_spin_lock_irqsave(&PortP->portSem, flags); + + while (can_add_transmit(&PacketP, PortP)) { + c = PortP->gs.xmit_cnt; + if (c > PKT_MAX_DATA_LEN) + c = PKT_MAX_DATA_LEN; + + /* Don't copy past the end of the source buffer */ + if (c > SERIAL_XMIT_SIZE - PortP->gs.xmit_tail) + c = SERIAL_XMIT_SIZE - PortP->gs.xmit_tail; + + { + int t; + t = (c > 10) ? 10 : c; + + rio_dprintk(RIO_DEBUG_INTR, "rio: tx port %d: copying %d chars: %s - %s\n", PortP->PortNum, c, firstchars(PortP->gs.xmit_buf + PortP->gs.xmit_tail, t), firstchars(PortP->gs.xmit_buf + PortP->gs.xmit_tail + c - t, t)); + } + /* If for one reason or another, we can't copy more data, + we're done! */ + if (c == 0) + break; + + rio_memcpy_toio(PortP->HostP->Caddr, (caddr_t) PacketP->data, PortP->gs.xmit_buf + PortP->gs.xmit_tail, c); + /* udelay (1); */ + + writeb(c, &(PacketP->len)); + if (!(PortP->State & RIO_DELETED)) { + add_transmit(PortP); + /* + ** Count chars tx'd for port statistics reporting + */ + if (PortP->statsGather) + PortP->txchars += c; + } + PortP->gs.xmit_tail = (PortP->gs.xmit_tail + c) & (SERIAL_XMIT_SIZE - 1); + PortP->gs.xmit_cnt -= c; + } + + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + + if (PortP->gs.xmit_cnt <= (PortP->gs.wakeup_chars + 2 * PKT_MAX_DATA_LEN)) { + rio_dprintk(RIO_DEBUG_INTR, "Waking up.... ldisc:%d (%d/%d)....", (int) (PortP->gs.tty->flags & (1 << TTY_DO_WRITE_WAKEUP)), PortP->gs.wakeup_chars, PortP->gs.xmit_cnt); + if ((PortP->gs.tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && PortP->gs.tty->ldisc.write_wakeup) + (PortP->gs.tty->ldisc.write_wakeup) (PortP->gs.tty); + rio_dprintk(RIO_DEBUG_INTR, "(%d/%d)\n", PortP->gs.wakeup_chars, PortP->gs.xmit_cnt); + wake_up_interruptible(&PortP->gs.tty->write_wait); + } } @@ -188,361 +183,349 @@ char * en; ** RIO Host Service routine. Does all the work traditionally associated with an ** interrupt. */ -static int RupIntr; -static int RxIntr; -static int TxIntr; -void -RIOServiceHost(p, HostP, From) -struct rio_info * p; +static int RupIntr; +static int RxIntr; +static int TxIntr; +void RIOServiceHost(p, HostP, From) +struct rio_info *p; struct Host *HostP; -int From; +int From; { - rio_spin_lock (&HostP->HostLock); - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) { - static int t =0; - rio_spin_unlock (&HostP->HostLock); - if ((t++ % 200) == 0) - rio_dprintk (RIO_DEBUG_INTR, "Interrupt but host not running. flags=%x.\n", (int)HostP->Flags); - return; - } - rio_spin_unlock (&HostP->HostLock); - - if ( RWORD( HostP->ParmMapP->rup_intr ) ) { - WWORD( HostP->ParmMapP->rup_intr , 0 ); - p->RIORupCount++; - RupIntr++; - rio_dprintk (RIO_DEBUG_INTR, "rio: RUP interrupt on host %d\n", HostP-p->RIOHosts); - RIOPollHostCommands(p, HostP ); - } - - if ( RWORD( HostP->ParmMapP->rx_intr ) ) { - int port; - - WWORD( HostP->ParmMapP->rx_intr , 0 ); - p->RIORxCount++; - RxIntr++; - - rio_dprintk (RIO_DEBUG_INTR, "rio: RX interrupt on host %d\n", HostP-p->RIOHosts); - /* - ** Loop through every port. If the port is mapped into - ** the system ( i.e. has /dev/ttyXXXX associated ) then it is - ** worth checking. If the port isn't open, grab any packets - ** hanging on its receive queue and stuff them on the free - ** list; check for commands on the way. - */ - for ( port=p->RIOFirstPortsBooted; - port<p->RIOLastPortsBooted+PORTS_PER_RTA; port++ ) { - struct Port *PortP = p->RIOPortp[port]; - struct tty_struct *ttyP; - struct PKT *PacketP; - - /* - ** not mapped in - most of the RIOPortp[] information - ** has not been set up! - ** Optimise: ports come in bundles of eight. - */ - if ( !PortP->Mapped ) { - port += 7; - continue; /* with the next port */ - } - - /* - ** If the host board isn't THIS host board, check the next one. - ** optimise: ports come in bundles of eight. - */ - if ( PortP->HostP != HostP ) { - port += 7; - continue; - } - - /* - ** Let us see - is the port open? If not, then don't service it. - */ - if ( !( PortP->PortState & PORT_ISOPEN ) ) { - continue; - } - - /* - ** find corresponding tty structure. The process of mapping - ** the ports puts these here. - */ - ttyP = PortP->gs.tty; - - /* - ** Lock the port before we begin working on it. - */ - rio_spin_lock(&PortP->portSem); - - /* - ** Process received data if there is any. - */ - if ( can_remove_receive( &PacketP, PortP ) ) - RIOReceive(p, PortP); - - /* - ** If there is no data left to be read from the port, and - ** it's handshake bit is set, then we must clear the handshake, - ** so that that downstream RTA is re-enabled. - */ - if ( !can_remove_receive( &PacketP, PortP ) && - ( RWORD( PortP->PhbP->handshake )==PHB_HANDSHAKE_SET ) ) { + rio_spin_lock(&HostP->HostLock); + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { + static int t = 0; + rio_spin_unlock(&HostP->HostLock); + if ((t++ % 200) == 0) + rio_dprintk(RIO_DEBUG_INTR, "Interrupt but host not running. flags=%x.\n", (int) HostP->Flags); + return; + } + rio_spin_unlock(&HostP->HostLock); + + if (RWORD(HostP->ParmMapP->rup_intr)) { + WWORD(HostP->ParmMapP->rup_intr, 0); + p->RIORupCount++; + RupIntr++; + rio_dprintk(RIO_DEBUG_INTR, "rio: RUP interrupt on host %d\n", HostP - p->RIOHosts); + RIOPollHostCommands(p, HostP); + } + + if (RWORD(HostP->ParmMapP->rx_intr)) { + int port; + + WWORD(HostP->ParmMapP->rx_intr, 0); + p->RIORxCount++; + RxIntr++; + + rio_dprintk(RIO_DEBUG_INTR, "rio: RX interrupt on host %d\n", HostP - p->RIOHosts); + /* + ** Loop through every port. If the port is mapped into + ** the system ( i.e. has /dev/ttyXXXX associated ) then it is + ** worth checking. If the port isn't open, grab any packets + ** hanging on its receive queue and stuff them on the free + ** list; check for commands on the way. + */ + for (port = p->RIOFirstPortsBooted; port < p->RIOLastPortsBooted + PORTS_PER_RTA; port++) { + struct Port *PortP = p->RIOPortp[port]; + struct tty_struct *ttyP; + struct PKT *PacketP; + + /* + ** not mapped in - most of the RIOPortp[] information + ** has not been set up! + ** Optimise: ports come in bundles of eight. + */ + if (!PortP->Mapped) { + port += 7; + continue; /* with the next port */ + } + + /* + ** If the host board isn't THIS host board, check the next one. + ** optimise: ports come in bundles of eight. + */ + if (PortP->HostP != HostP) { + port += 7; + continue; + } + + /* + ** Let us see - is the port open? If not, then don't service it. + */ + if (!(PortP->PortState & PORT_ISOPEN)) { + continue; + } + + /* + ** find corresponding tty structure. The process of mapping + ** the ports puts these here. + */ + ttyP = PortP->gs.tty; + + /* + ** Lock the port before we begin working on it. + */ + rio_spin_lock(&PortP->portSem); + + /* + ** Process received data if there is any. + */ + if (can_remove_receive(&PacketP, PortP)) + RIOReceive(p, PortP); + + /* + ** If there is no data left to be read from the port, and + ** it's handshake bit is set, then we must clear the handshake, + ** so that that downstream RTA is re-enabled. + */ + if (!can_remove_receive(&PacketP, PortP) && (RWORD(PortP->PhbP->handshake) == PHB_HANDSHAKE_SET)) { /* - ** MAGIC! ( Basically, handshake the RX buffer, so that - ** the RTAs upstream can be re-enabled. ) - */ - rio_dprintk (RIO_DEBUG_INTR, "Set RX handshake bit\n"); - WWORD( PortP->PhbP->handshake, - PHB_HANDSHAKE_SET|PHB_HANDSHAKE_RESET ); - } - rio_spin_unlock(&PortP->portSem); - } - } - - if ( RWORD( HostP->ParmMapP->tx_intr ) ) { - int port; - - WWORD( HostP->ParmMapP->tx_intr , 0); - - p->RIOTxCount++; - TxIntr++; - rio_dprintk (RIO_DEBUG_INTR, "rio: TX interrupt on host %d\n", HostP-p->RIOHosts); - - /* - ** Loop through every port. - ** If the port is mapped into the system ( i.e. has /dev/ttyXXXX - ** associated ) then it is worth checking. - */ - for ( port=p->RIOFirstPortsBooted; - port<p->RIOLastPortsBooted+PORTS_PER_RTA; port++ ) { - struct Port *PortP = p->RIOPortp[port]; - struct tty_struct *ttyP; - struct PKT *PacketP; - - /* - ** not mapped in - most of the RIOPortp[] information - ** has not been set up! - */ - if ( !PortP->Mapped ) { - port += 7; - continue; /* with the next port */ - } - - /* - ** If the host board isn't running, then its data structures - ** are no use to us - continue quietly. - */ - if ( PortP->HostP != HostP ) { - port += 7; - continue; /* with the next port */ - } - - /* - ** Let us see - is the port open? If not, then don't service it. - */ - if ( !( PortP->PortState & PORT_ISOPEN ) ) { - continue; - } - - rio_dprintk (RIO_DEBUG_INTR, "rio: Looking into port %d.\n", port); - /* - ** Lock the port before we begin working on it. - */ - rio_spin_lock(&PortP->portSem); - - /* - ** If we can't add anything to the transmit queue, then - ** we need do none of this processing. - */ - if ( !can_add_transmit( &PacketP, PortP ) ) { - rio_dprintk (RIO_DEBUG_INTR, "Can't add to port, so skipping.\n"); - rio_spin_unlock(&PortP->portSem); - continue; - } - - /* - ** find corresponding tty structure. The process of mapping - ** the ports puts these here. - */ - ttyP = PortP->gs.tty; - /* If ttyP is NULL, the port is getting closed. Forget about it. */ - if (!ttyP) { - rio_dprintk (RIO_DEBUG_INTR, "no tty, so skipping.\n"); - rio_spin_unlock(&PortP->portSem); - continue; - } - /* - ** If there is more room available we start up the transmit - ** data process again. This can be direct I/O, if the cookmode - ** is set to COOK_RAW or COOK_MEDIUM, or will be a call to the - ** riotproc( T_OUTPUT ) if we are in COOK_WELL mode, to fetch - ** characters via the line discipline. We must always call - ** the line discipline, - ** so that user input characters can be echoed correctly. - ** - ** ++++ Update +++++ - ** With the advent of double buffering, we now see if - ** TxBufferOut-In is non-zero. If so, then we copy a packet - ** to the output place, and set it going. If this empties - ** the buffer, then we must issue a wakeup( ) on OUT. - ** If it frees space in the buffer then we must issue - ** a wakeup( ) on IN. - ** - ** ++++ Extra! Extra! If PortP->WflushFlag is set, then we - ** have to send a WFLUSH command down the PHB, to mark the - ** end point of a WFLUSH. We also need to clear out any - ** data from the double buffer! ( note that WflushFlag is a - ** *count* of the number of WFLUSH commands outstanding! ) - ** - ** ++++ And there's more! - ** If an RTA is powered off, then on again, and rebooted, - ** whilst it has ports open, then we need to re-open the ports. - ** ( reasonable enough ). We can't do this when we spot the - ** re-boot, in interrupt time, because the queue is probably - ** full. So, when we come in here, we need to test if any - ** ports are in this condition, and re-open the port before - ** we try to send any more data to it. Now, the re-booted - ** RTA will be discarding packets from the PHB until it - ** receives this open packet, but don't worry tooo much - ** about that. The one thing that is interesting is the - ** combination of this effect and the WFLUSH effect! - */ - /* For now don't handle RTA reboots. -- REW. - Reenabled. Otherwise RTA reboots didn't work. Duh. -- REW */ - if ( PortP->MagicFlags ) { -#if 1 - if ( PortP->MagicFlags & MAGIC_REBOOT ) { - /* - ** well, the RTA has been rebooted, and there is room - ** on its queue to add the open packet that is required. - ** - ** The messy part of this line is trying to decide if - ** we need to call the Param function as a tty or as - ** a modem. - ** DONT USE CLOCAL AS A TEST FOR THIS! - ** - ** If we can't param the port, then move on to the - ** next port. - */ - PortP->InUse = NOT_INUSE; - - rio_spin_unlock(&PortP->portSem); - if ( RIOParam(PortP, OPEN, ((PortP->Cor2Copy & - (COR2_RTSFLOW|COR2_CTSFLOW ) )== - (COR2_RTSFLOW|COR2_CTSFLOW ) ) ? - TRUE : FALSE, DONT_SLEEP ) == RIO_FAIL ) { - continue; /* with next port */ - } - rio_spin_lock(&PortP->portSem); - PortP->MagicFlags &= ~MAGIC_REBOOT; + ** MAGIC! ( Basically, handshake the RX buffer, so that + ** the RTAs upstream can be re-enabled. ) + */ + rio_dprintk(RIO_DEBUG_INTR, "Set RX handshake bit\n"); + WWORD(PortP->PhbP->handshake, PHB_HANDSHAKE_SET | PHB_HANDSHAKE_RESET); + } + rio_spin_unlock(&PortP->portSem); + } } + + if (RWORD(HostP->ParmMapP->tx_intr)) { + int port; + + WWORD(HostP->ParmMapP->tx_intr, 0); + + p->RIOTxCount++; + TxIntr++; + rio_dprintk(RIO_DEBUG_INTR, "rio: TX interrupt on host %d\n", HostP - p->RIOHosts); + + /* + ** Loop through every port. + ** If the port is mapped into the system ( i.e. has /dev/ttyXXXX + ** associated ) then it is worth checking. + */ + for (port = p->RIOFirstPortsBooted; port < p->RIOLastPortsBooted + PORTS_PER_RTA; port++) { + struct Port *PortP = p->RIOPortp[port]; + struct tty_struct *ttyP; + struct PKT *PacketP; + + /* + ** not mapped in - most of the RIOPortp[] information + ** has not been set up! + */ + if (!PortP->Mapped) { + port += 7; + continue; /* with the next port */ + } + + /* + ** If the host board isn't running, then its data structures + ** are no use to us - continue quietly. + */ + if (PortP->HostP != HostP) { + port += 7; + continue; /* with the next port */ + } + + /* + ** Let us see - is the port open? If not, then don't service it. + */ + if (!(PortP->PortState & PORT_ISOPEN)) { + continue; + } + + rio_dprintk(RIO_DEBUG_INTR, "rio: Looking into port %d.\n", port); + /* + ** Lock the port before we begin working on it. + */ + rio_spin_lock(&PortP->portSem); + + /* + ** If we can't add anything to the transmit queue, then + ** we need do none of this processing. + */ + if (!can_add_transmit(&PacketP, PortP)) { + rio_dprintk(RIO_DEBUG_INTR, "Can't add to port, so skipping.\n"); + rio_spin_unlock(&PortP->portSem); + continue; + } + + /* + ** find corresponding tty structure. The process of mapping + ** the ports puts these here. + */ + ttyP = PortP->gs.tty; + /* If ttyP is NULL, the port is getting closed. Forget about it. */ + if (!ttyP) { + rio_dprintk(RIO_DEBUG_INTR, "no tty, so skipping.\n"); + rio_spin_unlock(&PortP->portSem); + continue; + } + /* + ** If there is more room available we start up the transmit + ** data process again. This can be direct I/O, if the cookmode + ** is set to COOK_RAW or COOK_MEDIUM, or will be a call to the + ** riotproc( T_OUTPUT ) if we are in COOK_WELL mode, to fetch + ** characters via the line discipline. We must always call + ** the line discipline, + ** so that user input characters can be echoed correctly. + ** + ** ++++ Update +++++ + ** With the advent of double buffering, we now see if + ** TxBufferOut-In is non-zero. If so, then we copy a packet + ** to the output place, and set it going. If this empties + ** the buffer, then we must issue a wakeup( ) on OUT. + ** If it frees space in the buffer then we must issue + ** a wakeup( ) on IN. + ** + ** ++++ Extra! Extra! If PortP->WflushFlag is set, then we + ** have to send a WFLUSH command down the PHB, to mark the + ** end point of a WFLUSH. We also need to clear out any + ** data from the double buffer! ( note that WflushFlag is a + ** *count* of the number of WFLUSH commands outstanding! ) + ** + ** ++++ And there's more! + ** If an RTA is powered off, then on again, and rebooted, + ** whilst it has ports open, then we need to re-open the ports. + ** ( reasonable enough ). We can't do this when we spot the + ** re-boot, in interrupt time, because the queue is probably + ** full. So, when we come in here, we need to test if any + ** ports are in this condition, and re-open the port before + ** we try to send any more data to it. Now, the re-booted + ** RTA will be discarding packets from the PHB until it + ** receives this open packet, but don't worry tooo much + ** about that. The one thing that is interesting is the + ** combination of this effect and the WFLUSH effect! + */ + /* For now don't handle RTA reboots. -- REW. + Reenabled. Otherwise RTA reboots didn't work. Duh. -- REW */ + if (PortP->MagicFlags) { +#if 1 + if (PortP->MagicFlags & MAGIC_REBOOT) { + /* + ** well, the RTA has been rebooted, and there is room + ** on its queue to add the open packet that is required. + ** + ** The messy part of this line is trying to decide if + ** we need to call the Param function as a tty or as + ** a modem. + ** DONT USE CLOCAL AS A TEST FOR THIS! + ** + ** If we can't param the port, then move on to the + ** next port. + */ + PortP->InUse = NOT_INUSE; + + rio_spin_unlock(&PortP->portSem); + if (RIOParam(PortP, OPEN, ((PortP->Cor2Copy & (COR2_RTSFLOW | COR2_CTSFLOW)) == (COR2_RTSFLOW | COR2_CTSFLOW)) ? TRUE : FALSE, DONT_SLEEP) == RIO_FAIL) { + continue; /* with next port */ + } + rio_spin_lock(&PortP->portSem); + PortP->MagicFlags &= ~MAGIC_REBOOT; + } #endif - /* - ** As mentioned above, this is a tacky hack to cope - ** with WFLUSH - */ - if ( PortP->WflushFlag ) { - rio_dprintk (RIO_DEBUG_INTR, "Want to WFLUSH mark this port\n"); - - if ( PortP->InUse ) - rio_dprintk (RIO_DEBUG_INTR, "FAILS - PORT IS IN USE\n"); - } - - while ( PortP->WflushFlag && - can_add_transmit( &PacketP, PortP ) && - ( PortP->InUse == NOT_INUSE ) ) { - int p; - struct PktCmd *PktCmdP; - - rio_dprintk (RIO_DEBUG_INTR, "Add WFLUSH marker to data queue\n"); - /* - ** make it look just like a WFLUSH command - */ - PktCmdP = ( struct PktCmd * )&PacketP->data[0]; - - WBYTE( PktCmdP->Command , WFLUSH ); - - p = PortP->HostPort % ( ushort )PORTS_PER_RTA; - - /* - ** If second block of ports for 16 port RTA, add 8 - ** to index 8-15. - */ - if ( PortP->SecondBlock ) - p += PORTS_PER_RTA; - - WBYTE( PktCmdP->PhbNum, p ); - - /* - ** to make debuggery easier - */ - WBYTE( PacketP->data[ 2], 'W' ); - WBYTE( PacketP->data[ 3], 'F' ); - WBYTE( PacketP->data[ 4], 'L' ); - WBYTE( PacketP->data[ 5], 'U' ); - WBYTE( PacketP->data[ 6], 'S' ); - WBYTE( PacketP->data[ 7], 'H' ); - WBYTE( PacketP->data[ 8], ' ' ); - WBYTE( PacketP->data[ 9], '0'+PortP->WflushFlag ); - WBYTE( PacketP->data[10], ' ' ); - WBYTE( PacketP->data[11], ' ' ); - WBYTE( PacketP->data[12], '\0' ); - - /* - ** its two bytes long! - */ - WBYTE( PacketP->len , PKT_CMD_BIT | 2 ); - - /* - ** queue it! - */ - if ( !( PortP->State & RIO_DELETED ) ) { - add_transmit( PortP ); - /* - ** Count chars tx'd for port statistics reporting - */ - if ( PortP->statsGather ) - PortP->txchars += 2; - } - - if ( --( PortP->WflushFlag ) == 0 ) { - PortP->MagicFlags &= ~MAGIC_FLUSH; - } - - rio_dprintk (RIO_DEBUG_INTR, "Wflush count now stands at %d\n", - PortP->WflushFlag); - } - if ( PortP->MagicFlags & MORE_OUTPUT_EYGOR ) { - if ( PortP->MagicFlags & MAGIC_FLUSH ) { - PortP->MagicFlags |= MORE_OUTPUT_EYGOR; - } - else { - if ( !can_add_transmit( &PacketP, PortP ) ) { - rio_spin_unlock(&PortP->portSem); - continue; - } - rio_spin_unlock(&PortP->portSem); - RIOTxEnable((char *)PortP); - rio_spin_lock(&PortP->portSem); - PortP->MagicFlags &= ~MORE_OUTPUT_EYGOR; - } + /* + ** As mentioned above, this is a tacky hack to cope + ** with WFLUSH + */ + if (PortP->WflushFlag) { + rio_dprintk(RIO_DEBUG_INTR, "Want to WFLUSH mark this port\n"); + + if (PortP->InUse) + rio_dprintk(RIO_DEBUG_INTR, "FAILS - PORT IS IN USE\n"); + } + + while (PortP->WflushFlag && can_add_transmit(&PacketP, PortP) && (PortP->InUse == NOT_INUSE)) { + int p; + struct PktCmd *PktCmdP; + + rio_dprintk(RIO_DEBUG_INTR, "Add WFLUSH marker to data queue\n"); + /* + ** make it look just like a WFLUSH command + */ + PktCmdP = (struct PktCmd *) &PacketP->data[0]; + + WBYTE(PktCmdP->Command, WFLUSH); + + p = PortP->HostPort % (ushort) PORTS_PER_RTA; + + /* + ** If second block of ports for 16 port RTA, add 8 + ** to index 8-15. + */ + if (PortP->SecondBlock) + p += PORTS_PER_RTA; + + WBYTE(PktCmdP->PhbNum, p); + + /* + ** to make debuggery easier + */ + WBYTE(PacketP->data[2], 'W'); + WBYTE(PacketP->data[3], 'F'); + WBYTE(PacketP->data[4], 'L'); + WBYTE(PacketP->data[5], 'U'); + WBYTE(PacketP->data[6], 'S'); + WBYTE(PacketP->data[7], 'H'); + WBYTE(PacketP->data[8], ' '); + WBYTE(PacketP->data[9], '0' + PortP->WflushFlag); + WBYTE(PacketP->data[10], ' '); + WBYTE(PacketP->data[11], ' '); + WBYTE(PacketP->data[12], '\0'); + + /* + ** its two bytes long! + */ + WBYTE(PacketP->len, PKT_CMD_BIT | 2); + + /* + ** queue it! + */ + if (!(PortP->State & RIO_DELETED)) { + add_transmit(PortP); + /* + ** Count chars tx'd for port statistics reporting + */ + if (PortP->statsGather) + PortP->txchars += 2; + } + + if (--(PortP->WflushFlag) == 0) { + PortP->MagicFlags &= ~MAGIC_FLUSH; + } + + rio_dprintk(RIO_DEBUG_INTR, "Wflush count now stands at %d\n", PortP->WflushFlag); + } + if (PortP->MagicFlags & MORE_OUTPUT_EYGOR) { + if (PortP->MagicFlags & MAGIC_FLUSH) { + PortP->MagicFlags |= MORE_OUTPUT_EYGOR; + } else { + if (!can_add_transmit(&PacketP, PortP)) { + rio_spin_unlock(&PortP->portSem); + continue; + } + rio_spin_unlock(&PortP->portSem); + RIOTxEnable((char *) PortP); + rio_spin_lock(&PortP->portSem); + PortP->MagicFlags &= ~MORE_OUTPUT_EYGOR; + } + } + } + + + /* + ** If we can't add anything to the transmit queue, then + ** we need do none of the remaining processing. + */ + if (!can_add_transmit(&PacketP, PortP)) { + rio_spin_unlock(&PortP->portSem); + continue; + } + + rio_spin_unlock(&PortP->portSem); + RIOTxEnable((char *) PortP); + } } - } - - - /* - ** If we can't add anything to the transmit queue, then - ** we need do none of the remaining processing. - */ - if (!can_add_transmit( &PacketP, PortP ) ) { - rio_spin_unlock(&PortP->portSem); - continue; - } - - rio_spin_unlock(&PortP->portSem); - RIOTxEnable((char *)PortP); - } - } } /* @@ -550,180 +533,162 @@ int From; ** NB: Called with the tty locked. The spl from the lockb( ) is passed. ** we return the ttySpl level that we re-locked at. */ -static void -RIOReceive(p, PortP) -struct rio_info * p; -struct Port * PortP; +static void RIOReceive(p, PortP) +struct rio_info *p; +struct Port *PortP; { - struct tty_struct *TtyP; - register ushort transCount; - struct PKT *PacketP; - register uint DataCnt; - uchar * ptr; - int copied =0; - - static int intCount, RxIntCnt; - - /* - ** The receive data process is to remove packets from the - ** PHB until there aren't any more or the current cblock - ** is full. When this occurs, there will be some left over - ** data in the packet, that we must do something with. - ** As we haven't unhooked the packet from the read list - ** yet, we can just leave the packet there, having first - ** made a note of how far we got. This means that we need - ** a pointer per port saying where we start taking the - ** data from - this will normally be zero, but when we - ** run out of space it will be set to the offset of the - ** next byte to copy from the packet data area. The packet - ** length field is decremented by the number of bytes that - ** we succesfully removed from the packet. When this reaches - ** zero, we reset the offset pointer to be zero, and free - ** the packet from the front of the queue. - */ - - intCount++; - - TtyP = PortP->gs.tty; - if (!TtyP) { - rio_dprintk (RIO_DEBUG_INTR, "RIOReceive: tty is null. \n"); - return; - } - - if (PortP->State & RIO_THROTTLE_RX) { - rio_dprintk (RIO_DEBUG_INTR, "RIOReceive: Throttled. Can't handle more input.\n"); - return; - } - - if ( PortP->State & RIO_DELETED ) - { - while ( can_remove_receive( &PacketP, PortP ) ) - { - remove_receive( PortP ); - put_free_end( PortP->HostP, PacketP ); + struct tty_struct *TtyP; + register ushort transCount; + struct PKT *PacketP; + register uint DataCnt; + uchar *ptr; + unsigned char *buf; + int copied = 0; + + static int intCount, RxIntCnt; + + /* + ** The receive data process is to remove packets from the + ** PHB until there aren't any more or the current cblock + ** is full. When this occurs, there will be some left over + ** data in the packet, that we must do something with. + ** As we haven't unhooked the packet from the read list + ** yet, we can just leave the packet there, having first + ** made a note of how far we got. This means that we need + ** a pointer per port saying where we start taking the + ** data from - this will normally be zero, but when we + ** run out of space it will be set to the offset of the + ** next byte to copy from the packet data area. The packet + ** length field is decremented by the number of bytes that + ** we succesfully removed from the packet. When this reaches + ** zero, we reset the offset pointer to be zero, and free + ** the packet from the front of the queue. + */ + + intCount++; + + TtyP = PortP->gs.tty; + if (!TtyP) { + rio_dprintk(RIO_DEBUG_INTR, "RIOReceive: tty is null. \n"); + return; } - } - else - { - /* - ** loop, just so long as: - ** i ) there's some data ( i.e. can_remove_receive ) - ** ii ) we haven't been blocked - ** iii ) there's somewhere to put the data - ** iv ) we haven't outstayed our welcome - */ - transCount = 1; - while ( can_remove_receive(&PacketP, PortP) - && transCount) - { + + if (PortP->State & RIO_THROTTLE_RX) { + rio_dprintk(RIO_DEBUG_INTR, "RIOReceive: Throttled. Can't handle more input.\n"); + return; + } + + if (PortP->State & RIO_DELETED) { + while (can_remove_receive(&PacketP, PortP)) { + remove_receive(PortP); + put_free_end(PortP->HostP, PacketP); + } + } else { + /* + ** loop, just so long as: + ** i ) there's some data ( i.e. can_remove_receive ) + ** ii ) we haven't been blocked + ** iii ) there's somewhere to put the data + ** iv ) we haven't outstayed our welcome + */ + transCount = 1; + while (can_remove_receive(&PacketP, PortP) + && transCount) { #ifdef STATS - PortP->Stat.RxIntCnt++; -#endif /* STATS */ - RxIntCnt++; - - /* - ** check that it is not a command! - */ - if ( PacketP->len & PKT_CMD_BIT ) { - rio_dprintk (RIO_DEBUG_INTR, "RIO: unexpected command packet received on PHB\n"); - /* rio_dprint(RIO_DEBUG_INTR, (" sysport = %d\n", p->RIOPortp->PortNum)); */ - rio_dprintk (RIO_DEBUG_INTR, " dest_unit = %d\n", PacketP->dest_unit); - rio_dprintk (RIO_DEBUG_INTR, " dest_port = %d\n", PacketP->dest_port); - rio_dprintk (RIO_DEBUG_INTR, " src_unit = %d\n", PacketP->src_unit); - rio_dprintk (RIO_DEBUG_INTR, " src_port = %d\n", PacketP->src_port); - rio_dprintk (RIO_DEBUG_INTR, " len = %d\n", PacketP->len); - rio_dprintk (RIO_DEBUG_INTR, " control = %d\n", PacketP->control); - rio_dprintk (RIO_DEBUG_INTR, " csum = %d\n", PacketP->csum); - rio_dprintk (RIO_DEBUG_INTR, " data bytes: "); - for ( DataCnt=0; DataCnt<PKT_MAX_DATA_LEN; DataCnt++ ) - rio_dprintk (RIO_DEBUG_INTR, "%d\n", PacketP->data[DataCnt]); - remove_receive( PortP ); - put_free_end( PortP->HostP, PacketP ); - continue; /* with next packet */ - } - - /* - ** How many characters can we move 'upstream' ? - ** - ** Determine the minimum of the amount of data - ** available and the amount of space in which to - ** put it. - ** - ** 1. Get the packet length by masking 'len' - ** for only the length bits. - ** 2. Available space is [buffer size] - [space used] - ** - ** Transfer count is the minimum of packet length - ** and available space. - */ - - transCount = min_t(unsigned int, PacketP->len & PKT_LEN_MASK, - TTY_FLIPBUF_SIZE - TtyP->flip.count); - rio_dprintk (RIO_DEBUG_REC, "port %d: Copy %d bytes\n", - PortP->PortNum, transCount); - /* - ** To use the following 'kkprintfs' for debugging - change the '#undef' - ** to '#define', (this is the only place ___DEBUG_IT___ occurs in the - ** driver). - */ + PortP->Stat.RxIntCnt++; +#endif /* STATS */ + RxIntCnt++; + + /* + ** check that it is not a command! + */ + if (PacketP->len & PKT_CMD_BIT) { + rio_dprintk(RIO_DEBUG_INTR, "RIO: unexpected command packet received on PHB\n"); + /* rio_dprint(RIO_DEBUG_INTR, (" sysport = %d\n", p->RIOPortp->PortNum)); */ + rio_dprintk(RIO_DEBUG_INTR, " dest_unit = %d\n", PacketP->dest_unit); + rio_dprintk(RIO_DEBUG_INTR, " dest_port = %d\n", PacketP->dest_port); + rio_dprintk(RIO_DEBUG_INTR, " src_unit = %d\n", PacketP->src_unit); + rio_dprintk(RIO_DEBUG_INTR, " src_port = %d\n", PacketP->src_port); + rio_dprintk(RIO_DEBUG_INTR, " len = %d\n", PacketP->len); + rio_dprintk(RIO_DEBUG_INTR, " control = %d\n", PacketP->control); + rio_dprintk(RIO_DEBUG_INTR, " csum = %d\n", PacketP->csum); + rio_dprintk(RIO_DEBUG_INTR, " data bytes: "); + for (DataCnt = 0; DataCnt < PKT_MAX_DATA_LEN; DataCnt++) + rio_dprintk(RIO_DEBUG_INTR, "%d\n", PacketP->data[DataCnt]); + remove_receive(PortP); + put_free_end(PortP->HostP, PacketP); + continue; /* with next packet */ + } + + /* + ** How many characters can we move 'upstream' ? + ** + ** Determine the minimum of the amount of data + ** available and the amount of space in which to + ** put it. + ** + ** 1. Get the packet length by masking 'len' + ** for only the length bits. + ** 2. Available space is [buffer size] - [space used] + ** + ** Transfer count is the minimum of packet length + ** and available space. + */ + + transCount = tty_buffer_request_room(TtyP, PacketP->len & PKT_LEN_MASK); + rio_dprintk(RIO_DEBUG_REC, "port %d: Copy %d bytes\n", PortP->PortNum, transCount); + /* + ** To use the following 'kkprintfs' for debugging - change the '#undef' + ** to '#define', (this is the only place ___DEBUG_IT___ occurs in the + ** driver). + */ #undef ___DEBUG_IT___ #ifdef ___DEBUG_IT___ - kkprintf("I:%d R:%d P:%d Q:%d C:%d F:%x ", - intCount, - RxIntCnt, - PortP->PortNum, - TtyP->rxqueue.count, - transCount, - TtyP->flags ); + kkprintf("I:%d R:%d P:%d Q:%d C:%d F:%x ", intCount, RxIntCnt, PortP->PortNum, TtyP->rxqueue.count, transCount, TtyP->flags); #endif - ptr = (uchar *) PacketP->data + PortP->RxDataStart; - - rio_memcpy_fromio (TtyP->flip.char_buf_ptr, ptr, transCount); - memset(TtyP->flip.flag_buf_ptr, TTY_NORMAL, transCount); + ptr = (uchar *) PacketP->data + PortP->RxDataStart; + tty_prepare_flip_string(TtyP, &buf, transCount); + rio_memcpy_fromio(buf, ptr, transCount); #ifdef STATS - /* - ** keep a count for statistical purposes - */ - PortP->Stat.RxCharCnt += transCount; + /* + ** keep a count for statistical purposes + */ + PortP->Stat.RxCharCnt += transCount; #endif - PortP->RxDataStart += transCount; - PacketP->len -= transCount; - copied += transCount; - TtyP->flip.count += transCount; - TtyP->flip.char_buf_ptr += transCount; - TtyP->flip.flag_buf_ptr += transCount; + PortP->RxDataStart += transCount; + PacketP->len -= transCount; + copied += transCount; #ifdef ___DEBUG_IT___ - kkprintf("T:%d L:%d\n", DataCnt, PacketP->len ); + kkprintf("T:%d L:%d\n", DataCnt, PacketP->len); #endif - if ( PacketP->len == 0 ) - { + if (PacketP->len == 0) { /* - ** If we have emptied the packet, then we can - ** free it, and reset the start pointer for - ** the next packet. - */ - remove_receive( PortP ); - put_free_end( PortP->HostP, PacketP ); - PortP->RxDataStart = 0; + ** If we have emptied the packet, then we can + ** free it, and reset the start pointer for + ** the next packet. + */ + remove_receive(PortP); + put_free_end(PortP->HostP, PacketP); + PortP->RxDataStart = 0; #ifdef STATS /* - ** more lies ( oops, I mean statistics ) - */ - PortP->Stat.RxPktCnt++; -#endif /* STATS */ - } + ** more lies ( oops, I mean statistics ) + */ + PortP->Stat.RxPktCnt++; +#endif /* STATS */ + } + } + } + if (copied) { + rio_dprintk(RIO_DEBUG_REC, "port %d: pushing tty flip buffer: %d total bytes copied.\n", PortP->PortNum, copied); + tty_flip_buffer_push(TtyP); } - } - if (copied) { - rio_dprintk (RIO_DEBUG_REC, "port %d: pushing tty flip buffer: %d total bytes copied.\n", PortP->PortNum, copied); - tty_flip_buffer_push (TtyP); - } - return; + return; } #ifdef FUTURE_RELEASE @@ -731,221 +696,210 @@ struct Port * PortP; ** The proc routine called by the line discipline to do the work for it. ** The proc routine works hand in hand with the interrupt routine. */ -int -riotproc(p, tp, cmd, port) -struct rio_info * p; +int riotproc(p, tp, cmd, port) +struct rio_info *p; register struct ttystatics *tp; int cmd; -int port; +int port; { register struct Port *PortP; int SysPort; struct PKT *PacketP; - SysPort = port; /* Believe me, it works. */ + SysPort = port; /* Believe me, it works. */ - if ( SysPort < 0 || SysPort >= RIO_PORTS ) { - rio_dprintk (RIO_DEBUG_INTR, "Illegal port %d derived from TTY in riotproc()\n",SysPort); + if (SysPort < 0 || SysPort >= RIO_PORTS) { + rio_dprintk(RIO_DEBUG_INTR, "Illegal port %d derived from TTY in riotproc()\n", SysPort); return 0; } PortP = p->RIOPortp[SysPort]; - if ((uint)PortP->PhbP < (uint)PortP->Caddr || - (uint)PortP->PhbP >= (uint)PortP->Caddr+SIXTY_FOUR_K ) { - rio_dprintk (RIO_DEBUG_INTR, "RIO: NULL or BAD PhbP on sys port %d in proc routine\n", - SysPort); - rio_dprintk (RIO_DEBUG_INTR, " PortP = 0x%x\n",PortP); - rio_dprintk (RIO_DEBUG_INTR, " PortP->PhbP = 0x%x\n",PortP->PhbP); - rio_dprintk (RIO_DEBUG_INTR, " PortP->Caddr = 0x%x\n",PortP->PhbP); - rio_dprintk (RIO_DEBUG_INTR, " PortP->HostPort = 0x%x\n",PortP->HostPort); + if ((uint) PortP->PhbP < (uint) PortP->Caddr || (uint) PortP->PhbP >= (uint) PortP->Caddr + SIXTY_FOUR_K) { + rio_dprintk(RIO_DEBUG_INTR, "RIO: NULL or BAD PhbP on sys port %d in proc routine\n", SysPort); + rio_dprintk(RIO_DEBUG_INTR, " PortP = 0x%x\n", PortP); + rio_dprintk(RIO_DEBUG_INTR, " PortP->PhbP = 0x%x\n", PortP->PhbP); + rio_dprintk(RIO_DEBUG_INTR, " PortP->Caddr = 0x%x\n", PortP->PhbP); + rio_dprintk(RIO_DEBUG_INTR, " PortP->HostPort = 0x%x\n", PortP->HostPort); return 0; } - switch(cmd) { - case T_WFLUSH: - rio_dprintk (RIO_DEBUG_INTR, "T_WFLUSH\n"); + switch (cmd) { + case T_WFLUSH: + rio_dprintk(RIO_DEBUG_INTR, "T_WFLUSH\n"); + /* + ** Because of the spooky way the RIO works, we don't need + ** to issue a flush command on any of the SET*F commands, + ** as that causes trouble with getty and login, which issue + ** these commands to incur a READ flush, and rely on the fact + ** that the line discipline does a wait for drain for them. + ** As the rio doesn't wait for drain, the write flush would + ** destroy the Password: prompt. This isn't very friendly, so + ** here we only issue a WFLUSH command if we are in the interrupt + ** routine, or we aren't executing a SET*F command. + */ + if (PortP->HostP->InIntr || !PortP->FlushCmdBodge) { /* - ** Because of the spooky way the RIO works, we don't need - ** to issue a flush command on any of the SET*F commands, - ** as that causes trouble with getty and login, which issue - ** these commands to incur a READ flush, and rely on the fact - ** that the line discipline does a wait for drain for them. - ** As the rio doesn't wait for drain, the write flush would - ** destroy the Password: prompt. This isn't very friendly, so - ** here we only issue a WFLUSH command if we are in the interrupt - ** routine, or we aren't executing a SET*F command. - */ - if ( PortP->HostP->InIntr || !PortP->FlushCmdBodge ) { - /* - ** form a wflush packet - 1 byte long, no data - */ - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_INTR, "WFLUSH on deleted RTA\n"); - } - else { - if ( RIOPreemptiveCmd(p, PortP, WFLUSH ) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_INTR, "T_WFLUSH Command failed\n"); - } - else - rio_dprintk (RIO_DEBUG_INTR, "T_WFLUSH Command\n"); - } - /* - ** WFLUSH operation - flush the data! - */ - PortP->TxBufferIn = PortP->TxBufferOut = 0; - } - else { - rio_dprintk (RIO_DEBUG_INTR, "T_WFLUSH Command ignored\n"); + ** form a wflush packet - 1 byte long, no data + */ + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_INTR, "WFLUSH on deleted RTA\n"); + } else { + if (RIOPreemptiveCmd(p, PortP, WFLUSH) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "T_WFLUSH Command failed\n"); + } else + rio_dprintk(RIO_DEBUG_INTR, "T_WFLUSH Command\n"); } /* - ** sort out the line discipline - */ - if (PortP->CookMode == COOK_WELL) - goto start; - break; - - case T_RESUME: - rio_dprintk (RIO_DEBUG_INTR, "T_RESUME\n"); - /* - ** send pre-emptive resume packet - */ - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_INTR, "RESUME on deleted RTA\n"); + ** WFLUSH operation - flush the data! + */ + PortP->TxBufferIn = PortP->TxBufferOut = 0; + } else { + rio_dprintk(RIO_DEBUG_INTR, "T_WFLUSH Command ignored\n"); + } + /* + ** sort out the line discipline + */ + if (PortP->CookMode == COOK_WELL) + goto start; + break; + + case T_RESUME: + rio_dprintk(RIO_DEBUG_INTR, "T_RESUME\n"); + /* + ** send pre-emptive resume packet + */ + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_INTR, "RESUME on deleted RTA\n"); + } else { + if (RIOPreemptiveCmd(p, PortP, RESUME) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "T_RESUME Command failed\n"); } - else { - if ( RIOPreemptiveCmd(p, PortP, RESUME ) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_INTR, "T_RESUME Command failed\n"); - } + } + /* + ** and re-start the sender software! + */ + if (PortP->CookMode == COOK_WELL) + goto start; + break; + + case T_TIME: + rio_dprintk(RIO_DEBUG_INTR, "T_TIME\n"); + /* + ** T_TIME is called when xDLY is set in oflags and + ** the line discipline timeout has expired. It's + ** function in life is to clear the TIMEOUT flag + ** and to re-start output to the port. + */ + /* + ** Fall through and re-start output + */ + case T_OUTPUT: + start: + if (PortP->MagicFlags & MAGIC_FLUSH) { + PortP->MagicFlags |= MORE_OUTPUT_EYGOR; + return 0; + } + RIOTxEnable((char *) PortP); + PortP->MagicFlags &= ~MORE_OUTPUT_EYGOR; + /*rio_dprint(RIO_DEBUG_INTR, PortP,DBG_PROC,"T_OUTPUT finished\n"); */ + break; + + case T_SUSPEND: + rio_dprintk(RIO_DEBUG_INTR, "T_SUSPEND\n"); + /* + ** send a suspend pre-emptive packet. + */ + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_INTR, "SUSPEND deleted RTA\n"); + } else { + if (RIOPreemptiveCmd(p, PortP, SUSPEND) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "T_SUSPEND Command failed\n"); } - /* - ** and re-start the sender software! - */ - if (PortP->CookMode == COOK_WELL) - goto start; - break; - - case T_TIME: - rio_dprintk (RIO_DEBUG_INTR, "T_TIME\n"); - /* - ** T_TIME is called when xDLY is set in oflags and - ** the line discipline timeout has expired. It's - ** function in life is to clear the TIMEOUT flag - ** and to re-start output to the port. - */ - /* - ** Fall through and re-start output - */ - case T_OUTPUT: -start: - if ( PortP->MagicFlags & MAGIC_FLUSH ) { - PortP->MagicFlags |= MORE_OUTPUT_EYGOR; + } + /* + ** done! + */ + break; + + case T_BLOCK: + rio_dprintk(RIO_DEBUG_INTR, "T_BLOCK\n"); + break; + + case T_RFLUSH: + rio_dprintk(RIO_DEBUG_INTR, "T_RFLUSH\n"); + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_INTR, "RFLUSH on deleted RTA\n"); + PortP->RxDataStart = 0; + } else { + if (RIOPreemptiveCmd(p, PortP, RFLUSH) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "T_RFLUSH Command failed\n"); return 0; } - RIOTxEnable((char *)PortP); - PortP->MagicFlags &= ~MORE_OUTPUT_EYGOR; - /*rio_dprint(RIO_DEBUG_INTR, PortP,DBG_PROC,"T_OUTPUT finished\n");*/ - break; - - case T_SUSPEND: - rio_dprintk (RIO_DEBUG_INTR, "T_SUSPEND\n"); - /* - ** send a suspend pre-emptive packet. - */ - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_INTR, "SUSPEND deleted RTA\n"); - } - else { - if ( RIOPreemptiveCmd(p, PortP, SUSPEND ) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_INTR, "T_SUSPEND Command failed\n"); - } + PortP->RxDataStart = 0; + while (can_remove_receive(&PacketP, PortP)) { + remove_receive(PortP); + ShowPacket(DBG_PROC, PacketP); + put_free_end(PortP->HostP, PacketP); } - /* - ** done! - */ - break; - - case T_BLOCK: - rio_dprintk (RIO_DEBUG_INTR, "T_BLOCK\n"); - break; - - case T_RFLUSH: - rio_dprintk (RIO_DEBUG_INTR, "T_RFLUSH\n"); - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_INTR, "RFLUSH on deleted RTA\n"); - PortP->RxDataStart = 0; - } - else { - if ( RIOPreemptiveCmd( p, PortP, RFLUSH ) == RIO_FAIL ) { - rio_dprintk (RIO_DEBUG_INTR, "T_RFLUSH Command failed\n"); - return 0; - } - PortP->RxDataStart = 0; - while ( can_remove_receive(&PacketP, PortP) ) { - remove_receive(PortP); - ShowPacket(DBG_PROC, PacketP ); - put_free_end(PortP->HostP, PacketP ); - } - if ( PortP->PhbP->handshake == PHB_HANDSHAKE_SET ) { - /* - ** MAGIC! - */ - rio_dprintk (RIO_DEBUG_INTR, "Set receive handshake bit\n"); - PortP->PhbP->handshake |= PHB_HANDSHAKE_RESET; - } - } - break; - /* FALLTHROUGH */ - case T_UNBLOCK: - rio_dprintk (RIO_DEBUG_INTR, "T_UNBLOCK\n"); - /* - ** If there is any data to receive set a timeout to service it. - */ - RIOReceive(p, PortP); - break; - - case T_BREAK: - rio_dprintk (RIO_DEBUG_INTR, "T_BREAK\n"); - /* - ** Send a break command. For Sys V - ** this is a timed break, so we - ** send a SBREAK[time] packet - */ - /* - ** Build a BREAK command - */ - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_INTR, "BREAK on deleted RTA\n"); + if (PortP->PhbP->handshake == PHB_HANDSHAKE_SET) { + /* + ** MAGIC! + */ + rio_dprintk(RIO_DEBUG_INTR, "Set receive handshake bit\n"); + PortP->PhbP->handshake |= PHB_HANDSHAKE_RESET; } - else { - if (RIOShortCommand(PortP,SBREAK,2, - p->RIOConf.BreakInterval)==RIO_FAIL) { - rio_dprintk (RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); - } + } + break; + /* FALLTHROUGH */ + case T_UNBLOCK: + rio_dprintk(RIO_DEBUG_INTR, "T_UNBLOCK\n"); + /* + ** If there is any data to receive set a timeout to service it. + */ + RIOReceive(p, PortP); + break; + + case T_BREAK: + rio_dprintk(RIO_DEBUG_INTR, "T_BREAK\n"); + /* + ** Send a break command. For Sys V + ** this is a timed break, so we + ** send a SBREAK[time] packet + */ + /* + ** Build a BREAK command + */ + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_INTR, "BREAK on deleted RTA\n"); + } else { + if (RIOShortCommand(PortP, SBREAK, 2, p->RIOConf.BreakInterval) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_INTR, "SBREAK RIOShortCommand failed\n"); } - - /* - ** done! - */ - break; - - case T_INPUT: - rio_dprintk (RIO_DEBUG_INTR, "Proc T_INPUT called - I don't know what to do!\n"); - break; - case T_PARM: - rio_dprintk (RIO_DEBUG_INTR, "Proc T_PARM called - I don't know what to do!\n"); - break; - - case T_SWTCH: - rio_dprintk (RIO_DEBUG_INTR, "Proc T_SWTCH called - I don't know what to do!\n"); - break; - - default: - rio_dprintk (RIO_DEBUG_INTR, "Proc UNKNOWN command %d\n",cmd); + } + + /* + ** done! + */ + break; + + case T_INPUT: + rio_dprintk(RIO_DEBUG_INTR, "Proc T_INPUT called - I don't know what to do!\n"); + break; + case T_PARM: + rio_dprintk(RIO_DEBUG_INTR, "Proc T_PARM called - I don't know what to do!\n"); + break; + + case T_SWTCH: + rio_dprintk(RIO_DEBUG_INTR, "Proc T_SWTCH called - I don't know what to do!\n"); + break; + + default: + rio_dprintk(RIO_DEBUG_INTR, "Proc UNKNOWN command %d\n", cmd); } /* - ** T_OUTPUT returns without passing through this point! - */ - /*rio_dprint(RIO_DEBUG_INTR, PortP,DBG_PROC,"riotproc done\n");*/ - return(0); + ** T_OUTPUT returns without passing through this point! + */ + /*rio_dprint(RIO_DEBUG_INTR, PortP,DBG_PROC,"riotproc done\n"); */ + return (0); } #endif diff --git a/drivers/char/rio/rioioctl.h b/drivers/char/rio/rioioctl.h index c3d679733c9..14b83fae75c 100644 --- a/drivers/char/rio/rioioctl.h +++ b/drivers/char/rio/rioioctl.h @@ -42,14 +42,14 @@ static char *_rioioctl_h_sccs_ = "@(#)rioioctl.h 1.2"; */ struct portStats { - int port; - int gather; - ulong txchars; - ulong rxchars; - ulong opens; - ulong closes; - ulong ioctls; -}; + int port; + int gather; + ulong txchars; + ulong rxchars; + ulong opens; + ulong closes; + ulong ioctls; +}; #define rIOC ('r'<<8) @@ -100,4 +100,4 @@ struct portStats { #define RIO_RESET_PORT_STATS (RIOC | 194) #define RIO_GET_PORT_STATS (RIOC | 195) -#endif /* __rioioctl_h__ */ +#endif /* __rioioctl_h__ */ diff --git a/drivers/char/rio/riolocks.h b/drivers/char/rio/riolocks.h deleted file mode 100644 index 0e0cdacebe0..00000000000 --- a/drivers/char/rio/riolocks.h +++ /dev/null @@ -1,43 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : riolocks.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:13 -** Retrieved : 11/6/98 11:34:22 -** -** ident @(#)riolocks.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_riolocks_h__ -#define __rio_riolocks_h__ - -#ifdef SCCS_LABELS -static char *_riolocks_h_sccs_ = "@(#)riolocks.h 1.2"; -#endif - -#define LOCKB(lk) lockb(lk); -#define UNLOCKB(lk, oldspl) unlockb(lk, oldspl); - -#endif diff --git a/drivers/char/rio/rioparam.c b/drivers/char/rio/rioparam.c index f10916326ec..c622f46d6d7 100644 --- a/drivers/char/rio/rioparam.c +++ b/drivers/char/rio/rioparam.c @@ -157,295 +157,253 @@ static char *_rioparam_c_sccs_ = "@(#)rioparam.c 1.3"; ** NB. for MPX ** tty lock must NOT have been previously acquired. */ -int -RIOParam(PortP, cmd, Modem, SleepFlag) +int RIOParam(PortP, cmd, Modem, SleepFlag) struct Port *PortP; int cmd; int Modem; -int SleepFlag; +int SleepFlag; { register struct tty_struct *TtyP; - int retval; + int retval; register struct phb_param *phb_param_ptr; PKT *PacketP; int res; - uchar Cor1=0, Cor2=0, Cor4=0, Cor5=0; - uchar TxXon=0, TxXoff=0, RxXon=0, RxXoff=0; - uchar LNext=0, TxBaud=0, RxBaud=0; - int retries = 0xff; + uchar Cor1 = 0, Cor2 = 0, Cor4 = 0, Cor5 = 0; + uchar TxXon = 0, TxXoff = 0, RxXon = 0, RxXoff = 0; + uchar LNext = 0, TxBaud = 0, RxBaud = 0; + int retries = 0xff; unsigned long flags; - func_enter (); + func_enter(); TtyP = PortP->gs.tty; - rio_dprintk (RIO_DEBUG_PARAM, "RIOParam: Port:%d cmd:%d Modem:%d SleepFlag:%d Mapped: %d, tty=%p\n", - PortP->PortNum, cmd, Modem, SleepFlag, PortP->Mapped, TtyP); + rio_dprintk(RIO_DEBUG_PARAM, "RIOParam: Port:%d cmd:%d Modem:%d SleepFlag:%d Mapped: %d, tty=%p\n", PortP->PortNum, cmd, Modem, SleepFlag, PortP->Mapped, TtyP); if (!TtyP) { - rio_dprintk (RIO_DEBUG_PARAM, "Can't call rioparam with null tty.\n"); + rio_dprintk(RIO_DEBUG_PARAM, "Can't call rioparam with null tty.\n"); - func_exit (); + func_exit(); - return RIO_FAIL; + return RIO_FAIL; } - rio_spin_lock_irqsave(&PortP->portSem, flags ); + rio_spin_lock_irqsave(&PortP->portSem, flags); if (cmd == OPEN) { /* - ** If the port is set to store or lock the parameters, and it is - ** paramed with OPEN, we want to restore the saved port termio, but - ** only if StoredTermio has been saved, i.e. NOT 1st open after reboot. - */ -#if 0 - if (PortP->FirstOpen) { - PortP->StoredTty.iflag = TtyP->tm.c_iflag; - PortP->StoredTty.oflag = TtyP->tm.c_oflag; - PortP->StoredTty.cflag = TtyP->tm.c_cflag; - PortP->StoredTty.lflag = TtyP->tm.c_lflag; - PortP->StoredTty.line = TtyP->tm.c_line; - for (i = 0; i < NCC + 5; i++) - PortP->StoredTty.cc[i] = TtyP->tm.c_cc[i]; - PortP->FirstOpen = 0; - } - else if (PortP->Store || PortP->Lock) { - rio_dprintk (RIO_DEBUG_PARAM, "OPEN: Restoring stored/locked params\n"); - TtyP->tm.c_iflag = PortP->StoredTty.iflag; - TtyP->tm.c_oflag = PortP->StoredTty.oflag; - TtyP->tm.c_cflag = PortP->StoredTty.cflag; - TtyP->tm.c_lflag = PortP->StoredTty.lflag; - TtyP->tm.c_line = PortP->StoredTty.line; - for (i = 0; i < NCC + 5; i++) - TtyP->tm.c_cc[i] = PortP->StoredTty.cc[i]; - } -#endif + ** If the port is set to store or lock the parameters, and it is + ** paramed with OPEN, we want to restore the saved port termio, but + ** only if StoredTermio has been saved, i.e. NOT 1st open after reboot. + */ } /* - ** wait for space - */ - while ( !(res=can_add_transmit(&PacketP,PortP)) || - (PortP->InUse != NOT_INUSE) ) { - if (retries -- <= 0) { + ** wait for space + */ + while (!(res = can_add_transmit(&PacketP, PortP)) || (PortP->InUse != NOT_INUSE)) { + if (retries-- <= 0) { break; } - if ( PortP->InUse != NOT_INUSE ) { - rio_dprintk (RIO_DEBUG_PARAM, "Port IN_USE for pre-emptive command\n"); + if (PortP->InUse != NOT_INUSE) { + rio_dprintk(RIO_DEBUG_PARAM, "Port IN_USE for pre-emptive command\n"); } - if ( !res ) { - rio_dprintk (RIO_DEBUG_PARAM, "Port has no space on transmit queue\n"); + if (!res) { + rio_dprintk(RIO_DEBUG_PARAM, "Port has no space on transmit queue\n"); } - if ( SleepFlag != OK_TO_SLEEP ) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); + if (SleepFlag != OK_TO_SLEEP) { + rio_spin_unlock_irqrestore(&PortP->portSem, flags); func_exit(); - + return RIO_FAIL; } - rio_dprintk (RIO_DEBUG_PARAM, "wait for can_add_transmit\n"); - rio_spin_unlock_irqrestore( &PortP->portSem, flags); + rio_dprintk(RIO_DEBUG_PARAM, "wait for can_add_transmit\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); retval = RIODelay(PortP, HUNDRED_MS); - rio_spin_lock_irqsave( &PortP->portSem, flags); + rio_spin_lock_irqsave(&PortP->portSem, flags); if (retval == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_PARAM, "wait for can_add_transmit broken by signal\n"); - rio_spin_unlock_irqrestore( &PortP->portSem, flags); + rio_dprintk(RIO_DEBUG_PARAM, "wait for can_add_transmit broken by signal\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); pseterr(EINTR); func_exit(); return RIO_FAIL; } - if ( PortP->State & RIO_DELETED ) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); - func_exit (); + if (PortP->State & RIO_DELETED) { + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + func_exit(); return RIO_SUCCESS; } } if (!res) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); - func_exit (); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + func_exit(); return RIO_FAIL; } - rio_dprintk (RIO_DEBUG_PARAM, "can_add_transmit() returns %x\n",res); - rio_dprintk (RIO_DEBUG_PARAM, "Packet is 0x%x\n",(int) PacketP); + rio_dprintk(RIO_DEBUG_PARAM, "can_add_transmit() returns %x\n", res); + rio_dprintk(RIO_DEBUG_PARAM, "Packet is 0x%x\n", (int) PacketP); - phb_param_ptr = (struct phb_param *)PacketP->data; + phb_param_ptr = (struct phb_param *) PacketP->data; -#if 0 - /* - ** COR 1 - */ - if ( TtyP->tm.c_iflag & INPCK ) { - rio_dprintk (RIO_DEBUG_PARAM, "Parity checking on input enabled\n"); - Cor1 |= COR1_INPCK; - } -#endif - - switch ( TtyP->termios->c_cflag & CSIZE ) { - case CS5: + switch (TtyP->termios->c_cflag & CSIZE) { + case CS5: { - rio_dprintk (RIO_DEBUG_PARAM, "5 bit data\n"); + rio_dprintk(RIO_DEBUG_PARAM, "5 bit data\n"); Cor1 |= COR1_5BITS; break; } - case CS6: + case CS6: { - rio_dprintk (RIO_DEBUG_PARAM, "6 bit data\n"); + rio_dprintk(RIO_DEBUG_PARAM, "6 bit data\n"); Cor1 |= COR1_6BITS; break; } - case CS7: + case CS7: { - rio_dprintk (RIO_DEBUG_PARAM, "7 bit data\n"); + rio_dprintk(RIO_DEBUG_PARAM, "7 bit data\n"); Cor1 |= COR1_7BITS; break; } - case CS8: + case CS8: { - rio_dprintk (RIO_DEBUG_PARAM, "8 bit data\n"); + rio_dprintk(RIO_DEBUG_PARAM, "8 bit data\n"); Cor1 |= COR1_8BITS; break; } } - if ( TtyP->termios->c_cflag & CSTOPB ) { - rio_dprintk (RIO_DEBUG_PARAM, "2 stop bits\n"); + if (TtyP->termios->c_cflag & CSTOPB) { + rio_dprintk(RIO_DEBUG_PARAM, "2 stop bits\n"); Cor1 |= COR1_2STOP; - } - else { - rio_dprintk (RIO_DEBUG_PARAM, "1 stop bit\n"); + } else { + rio_dprintk(RIO_DEBUG_PARAM, "1 stop bit\n"); Cor1 |= COR1_1STOP; } - if ( TtyP->termios->c_cflag & PARENB ) { - rio_dprintk (RIO_DEBUG_PARAM, "Enable parity\n"); + if (TtyP->termios->c_cflag & PARENB) { + rio_dprintk(RIO_DEBUG_PARAM, "Enable parity\n"); Cor1 |= COR1_NORMAL; - } - else { - rio_dprintk (RIO_DEBUG_PARAM, "Disable parity\n"); + } else { + rio_dprintk(RIO_DEBUG_PARAM, "Disable parity\n"); Cor1 |= COR1_NOP; } - if ( TtyP->termios->c_cflag & PARODD ) { - rio_dprintk (RIO_DEBUG_PARAM, "Odd parity\n"); + if (TtyP->termios->c_cflag & PARODD) { + rio_dprintk(RIO_DEBUG_PARAM, "Odd parity\n"); Cor1 |= COR1_ODD; - } - else { - rio_dprintk (RIO_DEBUG_PARAM, "Even parity\n"); - Cor1 |= COR1_EVEN; + } else { + rio_dprintk(RIO_DEBUG_PARAM, "Even parity\n"); + Cor1 |= COR1_EVEN; } /* - ** COR 2 - */ - if ( TtyP->termios->c_iflag & IXON ) { - rio_dprintk (RIO_DEBUG_PARAM, "Enable start/stop output control\n"); + ** COR 2 + */ + if (TtyP->termios->c_iflag & IXON) { + rio_dprintk(RIO_DEBUG_PARAM, "Enable start/stop output control\n"); Cor2 |= COR2_IXON; - } - else { - if ( PortP->Config & RIO_IXON ) { - rio_dprintk (RIO_DEBUG_PARAM, "Force enable start/stop output control\n"); + } else { + if (PortP->Config & RIO_IXON) { + rio_dprintk(RIO_DEBUG_PARAM, "Force enable start/stop output control\n"); Cor2 |= COR2_IXON; - } - else - rio_dprintk (RIO_DEBUG_PARAM, "IXON has been disabled.\n"); + } else + rio_dprintk(RIO_DEBUG_PARAM, "IXON has been disabled.\n"); } if (TtyP->termios->c_iflag & IXANY) { - if ( PortP->Config & RIO_IXANY ) { - rio_dprintk (RIO_DEBUG_PARAM, "Enable any key to restart output\n"); + if (PortP->Config & RIO_IXANY) { + rio_dprintk(RIO_DEBUG_PARAM, "Enable any key to restart output\n"); Cor2 |= COR2_IXANY; - } - else - rio_dprintk (RIO_DEBUG_PARAM, "IXANY has been disabled due to sanity reasons.\n"); + } else + rio_dprintk(RIO_DEBUG_PARAM, "IXANY has been disabled due to sanity reasons.\n"); } - if ( TtyP->termios->c_iflag & IXOFF ) { - rio_dprintk (RIO_DEBUG_PARAM, "Enable start/stop input control 2\n"); + if (TtyP->termios->c_iflag & IXOFF) { + rio_dprintk(RIO_DEBUG_PARAM, "Enable start/stop input control 2\n"); Cor2 |= COR2_IXOFF; } - if ( TtyP->termios->c_cflag & HUPCL ) { - rio_dprintk (RIO_DEBUG_PARAM, "Hangup on last close\n"); + if (TtyP->termios->c_cflag & HUPCL) { + rio_dprintk(RIO_DEBUG_PARAM, "Hangup on last close\n"); Cor2 |= COR2_HUPCL; } - if ( C_CRTSCTS (TtyP)) { - rio_dprintk (RIO_DEBUG_PARAM, "Rx hardware flow control enabled\n"); + if (C_CRTSCTS(TtyP)) { + rio_dprintk(RIO_DEBUG_PARAM, "Rx hardware flow control enabled\n"); Cor2 |= COR2_CTSFLOW; Cor2 |= COR2_RTSFLOW; } else { - rio_dprintk (RIO_DEBUG_PARAM, "Rx hardware flow control disabled\n"); + rio_dprintk(RIO_DEBUG_PARAM, "Rx hardware flow control disabled\n"); Cor2 &= ~COR2_CTSFLOW; Cor2 &= ~COR2_RTSFLOW; } - if ( TtyP->termios->c_cflag & CLOCAL ) { - rio_dprintk (RIO_DEBUG_PARAM, "Local line\n"); - } - else { - rio_dprintk (RIO_DEBUG_PARAM, "Possible Modem line\n"); + if (TtyP->termios->c_cflag & CLOCAL) { + rio_dprintk(RIO_DEBUG_PARAM, "Local line\n"); + } else { + rio_dprintk(RIO_DEBUG_PARAM, "Possible Modem line\n"); } /* - ** COR 4 (there is no COR 3) - */ - if ( TtyP->termios->c_iflag & IGNBRK ) { - rio_dprintk (RIO_DEBUG_PARAM, "Ignore break condition\n"); + ** COR 4 (there is no COR 3) + */ + if (TtyP->termios->c_iflag & IGNBRK) { + rio_dprintk(RIO_DEBUG_PARAM, "Ignore break condition\n"); Cor4 |= COR4_IGNBRK; } - if ( !(TtyP->termios->c_iflag & BRKINT) ) { - rio_dprintk (RIO_DEBUG_PARAM, "Break generates NULL condition\n"); + if (!(TtyP->termios->c_iflag & BRKINT)) { + rio_dprintk(RIO_DEBUG_PARAM, "Break generates NULL condition\n"); Cor4 |= COR4_NBRKINT; } else { - rio_dprintk (RIO_DEBUG_PARAM, "Interrupt on break condition\n"); + rio_dprintk(RIO_DEBUG_PARAM, "Interrupt on break condition\n"); } - if ( TtyP->termios->c_iflag & INLCR ) { - rio_dprintk (RIO_DEBUG_PARAM, "Map newline to carriage return on input\n"); + if (TtyP->termios->c_iflag & INLCR) { + rio_dprintk(RIO_DEBUG_PARAM, "Map newline to carriage return on input\n"); Cor4 |= COR4_INLCR; } - if ( TtyP->termios->c_iflag & IGNCR ) { - rio_dprintk (RIO_DEBUG_PARAM, "Ignore carriage return on input\n"); + if (TtyP->termios->c_iflag & IGNCR) { + rio_dprintk(RIO_DEBUG_PARAM, "Ignore carriage return on input\n"); Cor4 |= COR4_IGNCR; } - if ( TtyP->termios->c_iflag & ICRNL ) { - rio_dprintk (RIO_DEBUG_PARAM, "Map carriage return to newline on input\n"); + if (TtyP->termios->c_iflag & ICRNL) { + rio_dprintk(RIO_DEBUG_PARAM, "Map carriage return to newline on input\n"); Cor4 |= COR4_ICRNL; } - if ( TtyP->termios->c_iflag & IGNPAR ) { - rio_dprintk (RIO_DEBUG_PARAM, "Ignore characters with parity errors\n"); + if (TtyP->termios->c_iflag & IGNPAR) { + rio_dprintk(RIO_DEBUG_PARAM, "Ignore characters with parity errors\n"); Cor4 |= COR4_IGNPAR; } - if ( TtyP->termios->c_iflag & PARMRK ) { - rio_dprintk (RIO_DEBUG_PARAM, "Mark parity errors\n"); + if (TtyP->termios->c_iflag & PARMRK) { + rio_dprintk(RIO_DEBUG_PARAM, "Mark parity errors\n"); Cor4 |= COR4_PARMRK; } /* - ** Set the RAISEMOD flag to ensure that the modem lines are raised - ** on reception of a config packet. - ** The download code handles the zero baud condition. - */ + ** Set the RAISEMOD flag to ensure that the modem lines are raised + ** on reception of a config packet. + ** The download code handles the zero baud condition. + */ Cor4 |= COR4_RAISEMOD; /* - ** COR 5 - */ + ** COR 5 + */ Cor5 = COR5_CMOE; /* - ** Set to monitor tbusy/tstop (or not). - */ + ** Set to monitor tbusy/tstop (or not). + */ if (PortP->MonitorTstate) Cor5 |= COR5_TSTATE_ON; @@ -453,182 +411,183 @@ int SleepFlag; Cor5 |= COR5_TSTATE_OFF; /* - ** Could set LNE here if you wanted LNext processing. SVR4 will use it. - */ - if ( TtyP->termios->c_iflag & ISTRIP ) { - rio_dprintk (RIO_DEBUG_PARAM, "Strip input characters\n"); - if (! (PortP->State & RIO_TRIAD_MODE)) { + ** Could set LNE here if you wanted LNext processing. SVR4 will use it. + */ + if (TtyP->termios->c_iflag & ISTRIP) { + rio_dprintk(RIO_DEBUG_PARAM, "Strip input characters\n"); + if (!(PortP->State & RIO_TRIAD_MODE)) { Cor5 |= COR5_ISTRIP; } } - if ( TtyP->termios->c_oflag & ONLCR ) { - rio_dprintk (RIO_DEBUG_PARAM, "Map newline to carriage-return, newline on output\n"); - if ( PortP->CookMode == COOK_MEDIUM ) + if (TtyP->termios->c_oflag & ONLCR) { + rio_dprintk(RIO_DEBUG_PARAM, "Map newline to carriage-return, newline on output\n"); + if (PortP->CookMode == COOK_MEDIUM) Cor5 |= COR5_ONLCR; } - if ( TtyP->termios->c_oflag & OCRNL ) { - rio_dprintk (RIO_DEBUG_PARAM, "Map carriage return to newline on output\n"); - if ( PortP->CookMode == COOK_MEDIUM ) + if (TtyP->termios->c_oflag & OCRNL) { + rio_dprintk(RIO_DEBUG_PARAM, "Map carriage return to newline on output\n"); + if (PortP->CookMode == COOK_MEDIUM) Cor5 |= COR5_OCRNL; } - if ( ( TtyP->termios->c_oflag & TABDLY) == TAB3 ) { - rio_dprintk (RIO_DEBUG_PARAM, "Tab delay 3 set\n"); - if ( PortP->CookMode == COOK_MEDIUM ) + if ((TtyP->termios->c_oflag & TABDLY) == TAB3) { + rio_dprintk(RIO_DEBUG_PARAM, "Tab delay 3 set\n"); + if (PortP->CookMode == COOK_MEDIUM) Cor5 |= COR5_TAB3; } /* - ** Flow control bytes. - */ + ** Flow control bytes. + */ TxXon = TtyP->termios->c_cc[VSTART]; TxXoff = TtyP->termios->c_cc[VSTOP]; RxXon = TtyP->termios->c_cc[VSTART]; RxXoff = TtyP->termios->c_cc[VSTOP]; /* - ** LNEXT byte - */ + ** LNEXT byte + */ LNext = 0; /* - ** Baud rate bytes - */ - rio_dprintk (RIO_DEBUG_PARAM, "Mapping of rx/tx baud %x (%x)\n", - TtyP->termios->c_cflag, CBAUD); + ** Baud rate bytes + */ + rio_dprintk(RIO_DEBUG_PARAM, "Mapping of rx/tx baud %x (%x)\n", TtyP->termios->c_cflag, CBAUD); switch (TtyP->termios->c_cflag & CBAUD) { #define e(b) case B ## b : RxBaud = TxBaud = RIO_B ## b ;break - e(50);e(75);e(110);e(134);e(150);e(200);e(300);e(600);e(1200); - e(1800);e(2400);e(4800);e(9600);e(19200);e(38400);e(57600); - e(115200); /* e(230400);e(460800); e(921600); */ + e(50); + e(75); + e(110); + e(134); + e(150); + e(200); + e(300); + e(600); + e(1200); + e(1800); + e(2400); + e(4800); + e(9600); + e(19200); + e(38400); + e(57600); + e(115200); /* e(230400);e(460800); e(921600); */ } /* XXX MIssing conversion table. XXX */ - /* (TtyP->termios->c_cflag & V_CBAUD); */ + /* (TtyP->termios->c_cflag & V_CBAUD); */ - rio_dprintk (RIO_DEBUG_PARAM, "tx baud 0x%x, rx baud 0x%x\n", TxBaud, RxBaud); + rio_dprintk(RIO_DEBUG_PARAM, "tx baud 0x%x, rx baud 0x%x\n", TxBaud, RxBaud); /* - ** Leftovers - */ - if ( TtyP->termios->c_cflag & CREAD ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable receiver\n"); + ** Leftovers + */ + if (TtyP->termios->c_cflag & CREAD) + rio_dprintk(RIO_DEBUG_PARAM, "Enable receiver\n"); #ifdef RCV1EN - if ( TtyP->termios->c_cflag & RCV1EN ) - rio_dprintk (RIO_DEBUG_PARAM, "RCV1EN (?)\n"); + if (TtyP->termios->c_cflag & RCV1EN) + rio_dprintk(RIO_DEBUG_PARAM, "RCV1EN (?)\n"); #endif #ifdef XMT1EN - if ( TtyP->termios->c_cflag & XMT1EN ) - rio_dprintk (RIO_DEBUG_PARAM, "XMT1EN (?)\n"); -#endif -#if 0 - if ( TtyP->termios->c_cflag & LOBLK ) - rio_dprintk (RIO_DEBUG_PARAM, "LOBLK - JCL output blocks when not current\n"); + if (TtyP->termios->c_cflag & XMT1EN) + rio_dprintk(RIO_DEBUG_PARAM, "XMT1EN (?)\n"); #endif - if ( TtyP->termios->c_lflag & ISIG ) - rio_dprintk (RIO_DEBUG_PARAM, "Input character signal generating enabled\n"); - if ( TtyP->termios->c_lflag & ICANON ) - rio_dprintk (RIO_DEBUG_PARAM, "Canonical input: erase and kill enabled\n"); - if ( TtyP->termios->c_lflag & XCASE ) - rio_dprintk (RIO_DEBUG_PARAM, "Canonical upper/lower presentation\n"); - if ( TtyP->termios->c_lflag & ECHO ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable input echo\n"); - if ( TtyP->termios->c_lflag & ECHOE ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable echo erase\n"); - if ( TtyP->termios->c_lflag & ECHOK ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable echo kill\n"); - if ( TtyP->termios->c_lflag & ECHONL ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable echo newline\n"); - if ( TtyP->termios->c_lflag & NOFLSH ) - rio_dprintk (RIO_DEBUG_PARAM, "Disable flush after interrupt or quit\n"); + if (TtyP->termios->c_lflag & ISIG) + rio_dprintk(RIO_DEBUG_PARAM, "Input character signal generating enabled\n"); + if (TtyP->termios->c_lflag & ICANON) + rio_dprintk(RIO_DEBUG_PARAM, "Canonical input: erase and kill enabled\n"); + if (TtyP->termios->c_lflag & XCASE) + rio_dprintk(RIO_DEBUG_PARAM, "Canonical upper/lower presentation\n"); + if (TtyP->termios->c_lflag & ECHO) + rio_dprintk(RIO_DEBUG_PARAM, "Enable input echo\n"); + if (TtyP->termios->c_lflag & ECHOE) + rio_dprintk(RIO_DEBUG_PARAM, "Enable echo erase\n"); + if (TtyP->termios->c_lflag & ECHOK) + rio_dprintk(RIO_DEBUG_PARAM, "Enable echo kill\n"); + if (TtyP->termios->c_lflag & ECHONL) + rio_dprintk(RIO_DEBUG_PARAM, "Enable echo newline\n"); + if (TtyP->termios->c_lflag & NOFLSH) + rio_dprintk(RIO_DEBUG_PARAM, "Disable flush after interrupt or quit\n"); #ifdef TOSTOP - if ( TtyP->termios->c_lflag & TOSTOP ) - rio_dprintk (RIO_DEBUG_PARAM, "Send SIGTTOU for background output\n"); + if (TtyP->termios->c_lflag & TOSTOP) + rio_dprintk(RIO_DEBUG_PARAM, "Send SIGTTOU for background output\n"); #endif #ifdef XCLUDE - if ( TtyP->termios->c_lflag & XCLUDE ) - rio_dprintk (RIO_DEBUG_PARAM, "Exclusive use of this line\n"); -#endif - if ( TtyP->termios->c_iflag & IUCLC ) - rio_dprintk (RIO_DEBUG_PARAM, "Map uppercase to lowercase on input\n"); - if ( TtyP->termios->c_oflag & OPOST ) - rio_dprintk (RIO_DEBUG_PARAM, "Enable output post-processing\n"); - if ( TtyP->termios->c_oflag & OLCUC ) - rio_dprintk (RIO_DEBUG_PARAM, "Map lowercase to uppercase on output\n"); - if ( TtyP->termios->c_oflag & ONOCR ) - rio_dprintk (RIO_DEBUG_PARAM, "No carriage return output at column 0\n"); - if ( TtyP->termios->c_oflag & ONLRET ) - rio_dprintk (RIO_DEBUG_PARAM, "Newline performs carriage return function\n"); - if ( TtyP->termios->c_oflag & OFILL ) - rio_dprintk (RIO_DEBUG_PARAM, "Use fill characters for delay\n"); - if ( TtyP->termios->c_oflag & OFDEL ) - rio_dprintk (RIO_DEBUG_PARAM, "Fill character is DEL\n"); - if ( TtyP->termios->c_oflag & NLDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Newline delay set\n"); - if ( TtyP->termios->c_oflag & CRDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Carriage return delay set\n"); - if ( TtyP->termios->c_oflag & TABDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Tab delay set\n"); -#if 0 - if ( TtyP->termios->c_oflag & BSDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Back-space delay set\n"); - if ( TtyP->termios->c_oflag & VTDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Vertical tab delay set\n"); - if ( TtyP->termios->c_oflag & FFDLY ) - rio_dprintk (RIO_DEBUG_PARAM, "Form-feed delay set\n"); + if (TtyP->termios->c_lflag & XCLUDE) + rio_dprintk(RIO_DEBUG_PARAM, "Exclusive use of this line\n"); #endif + if (TtyP->termios->c_iflag & IUCLC) + rio_dprintk(RIO_DEBUG_PARAM, "Map uppercase to lowercase on input\n"); + if (TtyP->termios->c_oflag & OPOST) + rio_dprintk(RIO_DEBUG_PARAM, "Enable output post-processing\n"); + if (TtyP->termios->c_oflag & OLCUC) + rio_dprintk(RIO_DEBUG_PARAM, "Map lowercase to uppercase on output\n"); + if (TtyP->termios->c_oflag & ONOCR) + rio_dprintk(RIO_DEBUG_PARAM, "No carriage return output at column 0\n"); + if (TtyP->termios->c_oflag & ONLRET) + rio_dprintk(RIO_DEBUG_PARAM, "Newline performs carriage return function\n"); + if (TtyP->termios->c_oflag & OFILL) + rio_dprintk(RIO_DEBUG_PARAM, "Use fill characters for delay\n"); + if (TtyP->termios->c_oflag & OFDEL) + rio_dprintk(RIO_DEBUG_PARAM, "Fill character is DEL\n"); + if (TtyP->termios->c_oflag & NLDLY) + rio_dprintk(RIO_DEBUG_PARAM, "Newline delay set\n"); + if (TtyP->termios->c_oflag & CRDLY) + rio_dprintk(RIO_DEBUG_PARAM, "Carriage return delay set\n"); + if (TtyP->termios->c_oflag & TABDLY) + rio_dprintk(RIO_DEBUG_PARAM, "Tab delay set\n"); /* - ** These things are kind of useful in a later life! - */ + ** These things are kind of useful in a later life! + */ PortP->Cor2Copy = Cor2; - if ( PortP->State & RIO_DELETED ) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); - func_exit (); + if (PortP->State & RIO_DELETED) { + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + func_exit(); return RIO_FAIL; } /* - ** Actually write the info into the packet to be sent - */ - WBYTE(phb_param_ptr->Cmd, cmd); - WBYTE(phb_param_ptr->Cor1, Cor1); - WBYTE(phb_param_ptr->Cor2, Cor2); - WBYTE(phb_param_ptr->Cor4, Cor4); - WBYTE(phb_param_ptr->Cor5, Cor5); - WBYTE(phb_param_ptr->TxXon, TxXon); - WBYTE(phb_param_ptr->RxXon, RxXon); + ** Actually write the info into the packet to be sent + */ + WBYTE(phb_param_ptr->Cmd, cmd); + WBYTE(phb_param_ptr->Cor1, Cor1); + WBYTE(phb_param_ptr->Cor2, Cor2); + WBYTE(phb_param_ptr->Cor4, Cor4); + WBYTE(phb_param_ptr->Cor5, Cor5); + WBYTE(phb_param_ptr->TxXon, TxXon); + WBYTE(phb_param_ptr->RxXon, RxXon); WBYTE(phb_param_ptr->TxXoff, TxXoff); WBYTE(phb_param_ptr->RxXoff, RxXoff); - WBYTE(phb_param_ptr->LNext, LNext); + WBYTE(phb_param_ptr->LNext, LNext); WBYTE(phb_param_ptr->TxBaud, TxBaud); WBYTE(phb_param_ptr->RxBaud, RxBaud); /* - ** Set the length/command field - */ - WBYTE(PacketP->len , 12 | PKT_CMD_BIT); + ** Set the length/command field + */ + WBYTE(PacketP->len, 12 | PKT_CMD_BIT); /* - ** The packet is formed - now, whack it off - ** to its final destination: - */ + ** The packet is formed - now, whack it off + ** to its final destination: + */ add_transmit(PortP); /* - ** Count characters transmitted for port statistics reporting - */ + ** Count characters transmitted for port statistics reporting + */ if (PortP->statsGather) PortP->txchars += 12; - rio_spin_unlock_irqrestore( &PortP->portSem, flags); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); - rio_dprintk (RIO_DEBUG_PARAM, "add_transmit returned.\n"); + rio_dprintk(RIO_DEBUG_PARAM, "add_transmit returned.\n"); /* - ** job done. - */ - func_exit (); + ** job done. + */ + func_exit(); return RIO_SUCCESS; } @@ -638,16 +597,15 @@ int SleepFlag; ** We can add another packet to a transmit queue if the packet pointer pointed ** to by the TxAdd pointer has PKT_IN_USE clear in its address. */ -int -can_add_transmit(PktP, PortP) +int can_add_transmit(PktP, PortP) PKT **PktP; -struct Port *PortP; +struct Port *PortP; { register PKT *tp; - *PktP = tp = (PKT *)RIO_PTR(PortP->Caddr,RWORD(*PortP->TxAdd)); + *PktP = tp = (PKT *) RIO_PTR(PortP->Caddr, RWORD(*PortP->TxAdd)); - return !((uint)tp & PKT_IN_USE); + return !((uint) tp & PKT_IN_USE); } /* @@ -655,25 +613,22 @@ struct Port *PortP; ** and then move the TxAdd pointer along one position to point to the next ** packet pointer. You must wrap the pointer from the end back to the start. */ -void -add_transmit(PortP) -struct Port *PortP; +void add_transmit(PortP) +struct Port *PortP; { - if (RWORD(*PortP->TxAdd) & PKT_IN_USE) { - rio_dprintk (RIO_DEBUG_PARAM, "add_transmit: Packet has been stolen!"); - } - WWORD( *(ushort *)PortP->TxAdd, RWORD(*PortP->TxAdd) | PKT_IN_USE); - PortP->TxAdd = (PortP->TxAdd == PortP->TxEnd) ? PortP->TxStart : - PortP->TxAdd + 1; - WWORD( PortP->PhbP->tx_add , RIO_OFF(PortP->Caddr,PortP->TxAdd) ); + if (RWORD(*PortP->TxAdd) & PKT_IN_USE) { + rio_dprintk(RIO_DEBUG_PARAM, "add_transmit: Packet has been stolen!"); + } + WWORD(*(ushort *) PortP->TxAdd, RWORD(*PortP->TxAdd) | PKT_IN_USE); + PortP->TxAdd = (PortP->TxAdd == PortP->TxEnd) ? PortP->TxStart : PortP->TxAdd + 1; + WWORD(PortP->PhbP->tx_add, RIO_OFF(PortP->Caddr, PortP->TxAdd)); } /**************************************** * Put a packet onto the end of the * free list ****************************************/ -void -put_free_end(HostP, PktP) +void put_free_end(HostP, PktP) struct Host *HostP; PKT *PktP; { @@ -688,24 +643,23 @@ PKT *PktP; * ************************************************/ - rio_dprintk (RIO_DEBUG_PFE, "put_free_end(PktP=%x)\n",(int)PktP); + rio_dprintk(RIO_DEBUG_PFE, "put_free_end(PktP=%x)\n", (int) PktP); - if ((old_end=RWORD(HostP->ParmMapP->free_list_end)) != TPNULL) { - new_end = RIO_OFF(HostP->Caddr,PktP); - tmp_pointer = (FREE_LIST *)RIO_PTR(HostP->Caddr,old_end); - WWORD(tmp_pointer->next , new_end ); - WWORD(((FREE_LIST *)PktP)->prev , old_end); - WWORD(((FREE_LIST *)PktP)->next , TPNULL); + if ((old_end = RWORD(HostP->ParmMapP->free_list_end)) != TPNULL) { + new_end = RIO_OFF(HostP->Caddr, PktP); + tmp_pointer = (FREE_LIST *) RIO_PTR(HostP->Caddr, old_end); + WWORD(tmp_pointer->next, new_end); + WWORD(((FREE_LIST *) PktP)->prev, old_end); + WWORD(((FREE_LIST *) PktP)->next, TPNULL); WWORD(HostP->ParmMapP->free_list_end, new_end); - } - else { /* First packet on the free list this should never happen! */ - rio_dprintk (RIO_DEBUG_PFE, "put_free_end(): This should never happen\n"); - WWORD(HostP->ParmMapP->free_list_end , RIO_OFF(HostP->Caddr,PktP)); - tmp_pointer = (FREE_LIST *)PktP; - WWORD(tmp_pointer->prev , TPNULL); - WWORD(tmp_pointer->next , TPNULL); - } - rio_dprintk (RIO_DEBUG_CMD, "Before unlock: %p\n", &HostP->HostLock); + } else { /* First packet on the free list this should never happen! */ + rio_dprintk(RIO_DEBUG_PFE, "put_free_end(): This should never happen\n"); + WWORD(HostP->ParmMapP->free_list_end, RIO_OFF(HostP->Caddr, PktP)); + tmp_pointer = (FREE_LIST *) PktP; + WWORD(tmp_pointer->prev, TPNULL); + WWORD(tmp_pointer->next, TPNULL); + } + rio_dprintk(RIO_DEBUG_CMD, "Before unlock: %p\n", &HostP->HostLock); rio_spin_unlock_irqrestore(&HostP->HostLock, flags); } @@ -715,14 +669,12 @@ PKT *PktP; ** relevant packet, [having cleared the PKT_IN_USE bit]. If PKT_IN_USE is clear, ** then can_remove_receive() returns 0. */ -int -can_remove_receive(PktP, PortP) +int can_remove_receive(PktP, PortP) PKT **PktP; struct Port *PortP; { - if ( RWORD(*PortP->RxRemove) & PKT_IN_USE) { - *PktP = (PKT *)RIO_PTR(PortP->Caddr, - RWORD(*PortP->RxRemove) & ~PKT_IN_USE); + if (RWORD(*PortP->RxRemove) & PKT_IN_USE) { + *PktP = (PKT *) RIO_PTR(PortP->Caddr, RWORD(*PortP->RxRemove) & ~PKT_IN_USE); return 1; } return 0; @@ -733,12 +685,10 @@ struct Port *PortP; ** and then bump the pointers. Once the pointers get to the end, they must ** be wrapped back to the start. */ -void -remove_receive(PortP) -struct Port *PortP; +void remove_receive(PortP) +struct Port *PortP; { - WWORD( *PortP->RxRemove, RWORD(*PortP->RxRemove) & ~PKT_IN_USE ); - PortP->RxRemove = (PortP->RxRemove == PortP->RxEnd) ? PortP->RxStart : - PortP->RxRemove + 1; - WWORD( PortP->PhbP->rx_remove , RIO_OFF(PortP->Caddr, PortP->RxRemove) ); + WWORD(*PortP->RxRemove, RWORD(*PortP->RxRemove) & ~PKT_IN_USE); + PortP->RxRemove = (PortP->RxRemove == PortP->RxEnd) ? PortP->RxStart : PortP->RxRemove + 1; + WWORD(PortP->PhbP->rx_remove, RIO_OFF(PortP->Caddr, PortP->RxRemove)); } diff --git a/drivers/char/rio/riopcicopy.c b/drivers/char/rio/riopcicopy.c index 2ea99a60aa3..535afaa51ca 100644 --- a/drivers/char/rio/riopcicopy.c +++ b/drivers/char/rio/riopcicopy.c @@ -1,8 +1,8 @@ /* Yeah. We have copyright on this one. Sure. */ -void rio_pcicopy( char *from, char *to, int amount) +void rio_pcicopy(char *from, char *to, int amount) { - while ( amount-- ) - *to++ = *from++; + while (amount--) + *to++ = *from++; } diff --git a/drivers/char/rio/rioroute.c b/drivers/char/rio/rioroute.c index e9564c9fb37..f98888f5265 100644 --- a/drivers/char/rio/rioroute.c +++ b/drivers/char/rio/rioroute.c @@ -93,625 +93,505 @@ static void RIOConCon(struct rio_info *, struct Host *, uint, uint, uint, uint, ** Incoming on the ROUTE_RUP ** I wrote this while I was tired. Forgive me. */ -int RIORouteRup( struct rio_info *p, uint Rup, struct Host *HostP, PKT *PacketP ) +int RIORouteRup(struct rio_info *p, uint Rup, struct Host *HostP, PKT * PacketP) { - struct PktCmd *PktCmdP = (struct PktCmd *)PacketP->data; - struct PktCmd_M *PktReplyP; - struct CmdBlk *CmdBlkP; - struct Port *PortP; - struct Map *MapP; - struct Top *TopP; - int ThisLink, ThisLinkMin, ThisLinkMax; - int port; - int Mod, Mod1, Mod2; - ushort RtaType; - uint RtaUniq; - uint ThisUnit, ThisUnit2; /* 2 ids to accommodate 16 port RTA */ - uint OldUnit, NewUnit, OldLink, NewLink; - char *MyType, *MyName; - int Lies; - unsigned long flags; - -#ifdef STACK - RIOStackCheck("RIORouteRup"); -#endif -#ifdef CHECK - CheckPacketP(PacketP); - CheckHostP(HostP); - CheckRup(Rup); - CheckHost(Host); -#endif - /* - ** Is this unit telling us it's current link topology? - */ - if ( RBYTE(PktCmdP->Command) == ROUTE_TOPOLOGY ) - { - MapP = HostP->Mapping; - - /* - ** The packet can be sent either by the host or by an RTA. - ** If it comes from the host, then we need to fill in the - ** Topology array in the host structure. If it came in - ** from an RTA then we need to fill in the Mapping structure's - ** Topology array for the unit. - */ - if ( Rup >= (ushort)MAX_RUP ) - { - ThisUnit = HOST_ID; - TopP = HostP->Topology; - MyType = "Host"; - MyName = HostP->Name; - ThisLinkMin = ThisLinkMax = Rup - MAX_RUP; - } - else - { - ThisUnit = Rup+1; - TopP = HostP->Mapping[Rup].Topology; - MyType = "RTA"; - MyName = HostP->Mapping[Rup].Name; - ThisLinkMin = 0; - ThisLinkMax = LINKS_PER_UNIT - 1; - } - - /* - ** Lies will not be tolerated. - ** If any pair of links claim to be connected to the same - ** place, then ignore this packet completely. - */ - Lies = 0; - for ( ThisLink=ThisLinkMin + 1; ThisLink <= ThisLinkMax; ThisLink++) - { - /* - ** it won't lie about network interconnect, total disconnects - ** and no-IDs. (or at least, it doesn't *matter* if it does) - */ - if ( RBYTE(PktCmdP->RouteTopology[ThisLink].Unit) > (ushort)MAX_RUP ) - continue; - - for ( NewLink=ThisLinkMin; NewLink < ThisLink; NewLink++ ) - { - if ( (RBYTE(PktCmdP->RouteTopology[ThisLink].Unit) == - RBYTE(PktCmdP->RouteTopology[NewLink].Unit)) && - (RBYTE(PktCmdP->RouteTopology[ThisLink].Link) == - RBYTE(PktCmdP->RouteTopology[NewLink].Link)) ) - { - Lies++; - } - } - } - - if ( Lies ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "LIES! DAMN LIES! %d LIES!\n",Lies); - rio_dprintk (RIO_DEBUG_ROUTE, "%d:%c %d:%c %d:%c %d:%c\n", - RBYTE(PktCmdP->RouteTopology[0].Unit), - 'A'+RBYTE(PktCmdP->RouteTopology[0].Link), - RBYTE(PktCmdP->RouteTopology[1].Unit), - 'A'+RBYTE(PktCmdP->RouteTopology[1].Link), - RBYTE(PktCmdP->RouteTopology[2].Unit), - 'A'+RBYTE(PktCmdP->RouteTopology[2].Link), - RBYTE(PktCmdP->RouteTopology[3].Unit), - 'A'+RBYTE(PktCmdP->RouteTopology[3].Link)); - return TRUE; - } - - /* - ** now, process each link. - */ - for ( ThisLink=ThisLinkMin; ThisLink <= ThisLinkMax; ThisLink++) - { - /* - ** this is what it was connected to - */ - OldUnit = TopP[ThisLink].Unit; - OldLink = TopP[ThisLink].Link; - - /* - ** this is what it is now connected to - */ - NewUnit = RBYTE(PktCmdP->RouteTopology[ThisLink].Unit); - NewLink = RBYTE(PktCmdP->RouteTopology[ThisLink].Link); - - if ( OldUnit != NewUnit || OldLink != NewLink ) - { + struct PktCmd *PktCmdP = (struct PktCmd *) PacketP->data; + struct PktCmd_M *PktReplyP; + struct CmdBlk *CmdBlkP; + struct Port *PortP; + struct Map *MapP; + struct Top *TopP; + int ThisLink, ThisLinkMin, ThisLinkMax; + int port; + int Mod, Mod1, Mod2; + ushort RtaType; + uint RtaUniq; + uint ThisUnit, ThisUnit2; /* 2 ids to accommodate 16 port RTA */ + uint OldUnit, NewUnit, OldLink, NewLink; + char *MyType, *MyName; + int Lies; + unsigned long flags; + /* - ** something has changed! - */ - - if ( NewUnit > MAX_RUP && - NewUnit != ROUTE_DISCONNECT && - NewUnit != ROUTE_NO_ID && - NewUnit != ROUTE_INTERCONNECT ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "I have a link from %s %s to unit %d:%d - I don't like it.\n", - MyType, - MyName, - NewUnit, - NewLink); - } - else - { - /* - ** put the new values in - */ - TopP[ThisLink].Unit = NewUnit; - TopP[ThisLink].Link = NewLink; - - RIOSetChange(p); - - if ( OldUnit <= MAX_RUP ) - { - /* - ** If something has become bust, then re-enable them messages - */ - if (! p->RIONoMessage) - RIOConCon(p,HostP,ThisUnit,ThisLink,OldUnit,OldLink,DISCONNECT); - } - - if ( ( NewUnit <= MAX_RUP ) && !p->RIONoMessage ) - RIOConCon(p,HostP,ThisUnit,ThisLink,NewUnit,NewLink,CONNECT); - - if ( NewUnit == ROUTE_NO_ID ) - rio_dprintk (RIO_DEBUG_ROUTE, "%s %s (%c) is connected to an unconfigured unit.\n", - MyType,MyName,'A'+ThisLink); - - if ( NewUnit == ROUTE_INTERCONNECT ) - { - if (! p->RIONoMessage) - cprintf("%s '%s' (%c) is connected to another network.\n", MyType,MyName,'A'+ThisLink); - } - - /* - ** perform an update for 'the other end', so that these messages - ** only appears once. Only disconnect the other end if it is pointing - ** at us! - */ - if ( OldUnit == HOST_ID ) - { - if ( HostP->Topology[OldLink].Unit == ThisUnit && - HostP->Topology[OldLink].Link == ThisLink ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "SETTING HOST (%c) TO DISCONNECTED!\n", OldLink+'A'); - HostP->Topology[OldLink].Unit = ROUTE_DISCONNECT; - HostP->Topology[OldLink].Link = NO_LINK; - } - else - { - rio_dprintk (RIO_DEBUG_ROUTE, "HOST(%c) WAS NOT CONNECTED TO %s (%c)!\n", - OldLink+'A',HostP->Mapping[ThisUnit-1].Name,ThisLink+'A'); - } - } - else if ( OldUnit <= MAX_RUP ) - { - if ( HostP->Mapping[OldUnit-1].Topology[OldLink].Unit == ThisUnit && - HostP->Mapping[OldUnit-1].Topology[OldLink].Link == ThisLink ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "SETTING RTA %s (%c) TO DISCONNECTED!\n", - HostP->Mapping[OldUnit-1].Name,OldLink+'A'); - HostP->Mapping[OldUnit-1].Topology[OldLink].Unit=ROUTE_DISCONNECT; - HostP->Mapping[OldUnit-1].Topology[OldLink].Link=NO_LINK; - } - else - { - rio_dprintk (RIO_DEBUG_ROUTE, "RTA %s (%c) WAS NOT CONNECTED TO %s (%c)\n", - HostP->Mapping[OldUnit-1].Name,OldLink+'A', - HostP->Mapping[ThisUnit-1].Name,ThisLink+'A'); - } - } - if ( NewUnit == HOST_ID ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "MARKING HOST (%c) CONNECTED TO %s (%c)\n", - NewLink+'A',MyName,ThisLink+'A'); - HostP->Topology[NewLink].Unit = ThisUnit; - HostP->Topology[NewLink].Link = ThisLink; - } - else if ( NewUnit <= MAX_RUP ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "MARKING RTA %s (%c) CONNECTED TO %s (%c)\n", - HostP->Mapping[NewUnit-1].Name,NewLink+'A',MyName,ThisLink+'A'); - HostP->Mapping[NewUnit-1].Topology[NewLink].Unit=ThisUnit; - HostP->Mapping[NewUnit-1].Topology[NewLink].Link=ThisLink; - } + ** Is this unit telling us it's current link topology? + */ + if (RBYTE(PktCmdP->Command) == ROUTE_TOPOLOGY) { + MapP = HostP->Mapping; + + /* + ** The packet can be sent either by the host or by an RTA. + ** If it comes from the host, then we need to fill in the + ** Topology array in the host structure. If it came in + ** from an RTA then we need to fill in the Mapping structure's + ** Topology array for the unit. + */ + if (Rup >= (ushort) MAX_RUP) { + ThisUnit = HOST_ID; + TopP = HostP->Topology; + MyType = "Host"; + MyName = HostP->Name; + ThisLinkMin = ThisLinkMax = Rup - MAX_RUP; + } else { + ThisUnit = Rup + 1; + TopP = HostP->Mapping[Rup].Topology; + MyType = "RTA"; + MyName = HostP->Mapping[Rup].Name; + ThisLinkMin = 0; + ThisLinkMax = LINKS_PER_UNIT - 1; + } + + /* + ** Lies will not be tolerated. + ** If any pair of links claim to be connected to the same + ** place, then ignore this packet completely. + */ + Lies = 0; + for (ThisLink = ThisLinkMin + 1; ThisLink <= ThisLinkMax; ThisLink++) { + /* + ** it won't lie about network interconnect, total disconnects + ** and no-IDs. (or at least, it doesn't *matter* if it does) + */ + if (RBYTE(PktCmdP->RouteTopology[ThisLink].Unit) > (ushort) MAX_RUP) + continue; + + for (NewLink = ThisLinkMin; NewLink < ThisLink; NewLink++) { + if ((RBYTE(PktCmdP->RouteTopology[ThisLink].Unit) == RBYTE(PktCmdP->RouteTopology[NewLink].Unit)) && (RBYTE(PktCmdP->RouteTopology[ThisLink].Link) == RBYTE(PktCmdP->RouteTopology[NewLink].Link))) { + Lies++; + } + } + } + + if (Lies) { + rio_dprintk(RIO_DEBUG_ROUTE, "LIES! DAMN LIES! %d LIES!\n", Lies); + rio_dprintk(RIO_DEBUG_ROUTE, "%d:%c %d:%c %d:%c %d:%c\n", + RBYTE(PktCmdP->RouteTopology[0].Unit), + 'A' + RBYTE(PktCmdP->RouteTopology[0].Link), + RBYTE(PktCmdP->RouteTopology[1].Unit), + 'A' + RBYTE(PktCmdP->RouteTopology[1].Link), RBYTE(PktCmdP->RouteTopology[2].Unit), 'A' + RBYTE(PktCmdP->RouteTopology[2].Link), RBYTE(PktCmdP->RouteTopology[3].Unit), 'A' + RBYTE(PktCmdP->RouteTopology[3].Link)); + return TRUE; + } + + /* + ** now, process each link. + */ + for (ThisLink = ThisLinkMin; ThisLink <= ThisLinkMax; ThisLink++) { + /* + ** this is what it was connected to + */ + OldUnit = TopP[ThisLink].Unit; + OldLink = TopP[ThisLink].Link; + + /* + ** this is what it is now connected to + */ + NewUnit = RBYTE(PktCmdP->RouteTopology[ThisLink].Unit); + NewLink = RBYTE(PktCmdP->RouteTopology[ThisLink].Link); + + if (OldUnit != NewUnit || OldLink != NewLink) { + /* + ** something has changed! + */ + + if (NewUnit > MAX_RUP && NewUnit != ROUTE_DISCONNECT && NewUnit != ROUTE_NO_ID && NewUnit != ROUTE_INTERCONNECT) { + rio_dprintk(RIO_DEBUG_ROUTE, "I have a link from %s %s to unit %d:%d - I don't like it.\n", MyType, MyName, NewUnit, NewLink); + } else { + /* + ** put the new values in + */ + TopP[ThisLink].Unit = NewUnit; + TopP[ThisLink].Link = NewLink; + + RIOSetChange(p); + + if (OldUnit <= MAX_RUP) { + /* + ** If something has become bust, then re-enable them messages + */ + if (!p->RIONoMessage) + RIOConCon(p, HostP, ThisUnit, ThisLink, OldUnit, OldLink, DISCONNECT); + } + + if ((NewUnit <= MAX_RUP) && !p->RIONoMessage) + RIOConCon(p, HostP, ThisUnit, ThisLink, NewUnit, NewLink, CONNECT); + + if (NewUnit == ROUTE_NO_ID) + rio_dprintk(RIO_DEBUG_ROUTE, "%s %s (%c) is connected to an unconfigured unit.\n", MyType, MyName, 'A' + ThisLink); + + if (NewUnit == ROUTE_INTERCONNECT) { + if (!p->RIONoMessage) + cprintf("%s '%s' (%c) is connected to another network.\n", MyType, MyName, 'A' + ThisLink); + } + + /* + ** perform an update for 'the other end', so that these messages + ** only appears once. Only disconnect the other end if it is pointing + ** at us! + */ + if (OldUnit == HOST_ID) { + if (HostP->Topology[OldLink].Unit == ThisUnit && HostP->Topology[OldLink].Link == ThisLink) { + rio_dprintk(RIO_DEBUG_ROUTE, "SETTING HOST (%c) TO DISCONNECTED!\n", OldLink + 'A'); + HostP->Topology[OldLink].Unit = ROUTE_DISCONNECT; + HostP->Topology[OldLink].Link = NO_LINK; + } else { + rio_dprintk(RIO_DEBUG_ROUTE, "HOST(%c) WAS NOT CONNECTED TO %s (%c)!\n", OldLink + 'A', HostP->Mapping[ThisUnit - 1].Name, ThisLink + 'A'); + } + } else if (OldUnit <= MAX_RUP) { + if (HostP->Mapping[OldUnit - 1].Topology[OldLink].Unit == ThisUnit && HostP->Mapping[OldUnit - 1].Topology[OldLink].Link == ThisLink) { + rio_dprintk(RIO_DEBUG_ROUTE, "SETTING RTA %s (%c) TO DISCONNECTED!\n", HostP->Mapping[OldUnit - 1].Name, OldLink + 'A'); + HostP->Mapping[OldUnit - 1].Topology[OldLink].Unit = ROUTE_DISCONNECT; + HostP->Mapping[OldUnit - 1].Topology[OldLink].Link = NO_LINK; + } else { + rio_dprintk(RIO_DEBUG_ROUTE, "RTA %s (%c) WAS NOT CONNECTED TO %s (%c)\n", HostP->Mapping[OldUnit - 1].Name, OldLink + 'A', HostP->Mapping[ThisUnit - 1].Name, ThisLink + 'A'); + } + } + if (NewUnit == HOST_ID) { + rio_dprintk(RIO_DEBUG_ROUTE, "MARKING HOST (%c) CONNECTED TO %s (%c)\n", NewLink + 'A', MyName, ThisLink + 'A'); + HostP->Topology[NewLink].Unit = ThisUnit; + HostP->Topology[NewLink].Link = ThisLink; + } else if (NewUnit <= MAX_RUP) { + rio_dprintk(RIO_DEBUG_ROUTE, "MARKING RTA %s (%c) CONNECTED TO %s (%c)\n", HostP->Mapping[NewUnit - 1].Name, NewLink + 'A', MyName, ThisLink + 'A'); + HostP->Mapping[NewUnit - 1].Topology[NewLink].Unit = ThisUnit; + HostP->Mapping[NewUnit - 1].Topology[NewLink].Link = ThisLink; + } + } + RIOSetChange(p); + RIOCheckIsolated(p, HostP, OldUnit); + } + } + return TRUE; } - RIOSetChange(p); - RIOCheckIsolated(p, HostP, OldUnit ); - } - } - return TRUE; - } - - /* - ** The only other command we recognise is a route_request command - */ - if ( RBYTE(PktCmdP->Command) != ROUTE_REQUEST ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Unknown command %d received on rup %d host %d ROUTE_RUP\n", - RBYTE(PktCmdP->Command),Rup,(int)HostP); - return TRUE; - } - - RtaUniq = (RBYTE(PktCmdP->UniqNum[0])) + - (RBYTE(PktCmdP->UniqNum[1]) << 8) + - (RBYTE(PktCmdP->UniqNum[2]) << 16) + - (RBYTE(PktCmdP->UniqNum[3]) << 24); - - /* - ** Determine if 8 or 16 port RTA - */ - RtaType = GetUnitType(RtaUniq); - - rio_dprintk (RIO_DEBUG_ROUTE, "Received a request for an ID for serial number %x\n", RtaUniq); - - Mod = RBYTE(PktCmdP->ModuleTypes); - Mod1 = LONYBLE(Mod); - if (RtaType == TYPE_RTA16) - { - /* - ** Only one ident is set for a 16 port RTA. To make compatible - ** with 8 port, set 2nd ident in Mod2 to the same as Mod1. - */ - Mod2 = Mod1; - rio_dprintk (RIO_DEBUG_ROUTE, "Backplane type is %s (all ports)\n", - p->RIOModuleTypes[Mod1].Name); - } - else - { - Mod2 = HINYBLE(Mod); - rio_dprintk (RIO_DEBUG_ROUTE, "Module types are %s (ports 0-3) and %s (ports 4-7)\n", - p->RIOModuleTypes[Mod1].Name, p->RIOModuleTypes[Mod2].Name); - } - - if ( RtaUniq == 0xffffffff ) - { - ShowPacket( DBG_SPECIAL, PacketP ); - } - - /* - ** try to unhook a command block from the command free list. - */ - if ( !(CmdBlkP = RIOGetCmdBlk()) ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "No command blocks to route RTA! come back later.\n"); - return 0; - } - - /* - ** Fill in the default info on the command block - */ - CmdBlkP->Packet.dest_unit = Rup; - CmdBlkP->Packet.dest_port = ROUTE_RUP; - CmdBlkP->Packet.src_unit = HOST_ID; - CmdBlkP->Packet.src_port = ROUTE_RUP; - CmdBlkP->Packet.len = PKT_CMD_BIT | 1; - CmdBlkP->PreFuncP = CmdBlkP->PostFuncP = NULL; - PktReplyP = (struct PktCmd_M *)CmdBlkP->Packet.data; - - if (! RIOBootOk(p, HostP, RtaUniq)) - { - rio_dprintk (RIO_DEBUG_ROUTE, "RTA %x tried to get an ID, but does not belong - FOAD it!\n", - RtaUniq); - PktReplyP->Command = ROUTE_FOAD; - HostP->Copy("RT_FOAD", PktReplyP->CommandText, 7); - RIOQueueCmdBlk(HostP, Rup, CmdBlkP); - return TRUE; - } - - /* - ** Check to see if the RTA is configured for this host - */ - for ( ThisUnit=0; ThisUnit<MAX_RUP; ThisUnit++ ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Entry %d Flags=%s %s UniqueNum=0x%x\n", - ThisUnit, - HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE ? - "Slot-In-Use":"Not In Use", - HostP->Mapping[ThisUnit].Flags & SLOT_TENTATIVE ? - "Slot-Tentative":"Not Tentative", - HostP->Mapping[ThisUnit].RtaUniqueNum); - - /* - ** We have an entry for it. - */ - if ( (HostP->Mapping[ThisUnit].Flags & (SLOT_IN_USE | SLOT_TENTATIVE)) && - (HostP->Mapping[ThisUnit].RtaUniqueNum == RtaUniq) ) - { - if (RtaType == TYPE_RTA16) - { - ThisUnit2 = HostP->Mapping[ThisUnit].ID2 - 1; - rio_dprintk (RIO_DEBUG_ROUTE, "Found unit 0x%x at slots %d+%d\n", - RtaUniq,ThisUnit,ThisUnit2); - } - else - rio_dprintk (RIO_DEBUG_ROUTE, "Found unit 0x%x at slot %d\n", - RtaUniq,ThisUnit); - /* - ** If we have no knowledge of booting it, then the host has - ** been re-booted, and so we must kill the RTA, so that it - ** will be booted again (potentially with new bins) - ** and it will then re-ask for an ID, which we will service. - */ - if ( (HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE) && - !(HostP->Mapping[ThisUnit].Flags & RTA_BOOTED) ) - { - if ( !(HostP->Mapping[ThisUnit].Flags & MSG_DONE) ) - { - if ( !p->RIONoMessage ) - cprintf("RTA '%s' is being updated.\n",HostP->Mapping[ThisUnit].Name); - HostP->Mapping[ThisUnit].Flags |= MSG_DONE; + + /* + ** The only other command we recognise is a route_request command + */ + if (RBYTE(PktCmdP->Command) != ROUTE_REQUEST) { + rio_dprintk(RIO_DEBUG_ROUTE, "Unknown command %d received on rup %d host %d ROUTE_RUP\n", RBYTE(PktCmdP->Command), Rup, (int) HostP); + return TRUE; } - PktReplyP->Command = ROUTE_FOAD; - HostP->Copy("RT_FOAD",PktReplyP->CommandText,7); - RIOQueueCmdBlk(HostP, Rup, CmdBlkP); - return TRUE; - } - - /* - ** Send the ID (entry) to this RTA. The ID number is implicit as - ** the offset into the table. It is worth noting at this stage - ** that offset zero in the table contains the entries for the - ** RTA with ID 1!!!! - */ - PktReplyP->Command = ROUTE_ALLOCATE; - PktReplyP->IDNum = ThisUnit+1; - if (RtaType == TYPE_RTA16) - { - if (HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE) - /* - ** Adjust the phb and tx pkt dest_units for 2nd block of 8 - ** only if the RTA has ports associated (SLOT_IN_USE) - */ - RIOFixPhbs(p, HostP, ThisUnit2); - PktReplyP->IDNum2 = ThisUnit2+1; - rio_dprintk (RIO_DEBUG_ROUTE, "RTA '%s' has been allocated IDs %d+%d\n", - HostP->Mapping[ThisUnit].Name, PktReplyP->IDNum, PktReplyP->IDNum2); - } - else - { - PktReplyP->IDNum2 = ROUTE_NO_ID; - rio_dprintk (RIO_DEBUG_ROUTE, "RTA '%s' has been allocated ID %d\n", - HostP->Mapping[ThisUnit].Name,PktReplyP->IDNum); - } - HostP->Copy("RT_ALLOCAT",PktReplyP->CommandText,10); - - RIOQueueCmdBlk( HostP, Rup, CmdBlkP); - - /* - ** If this is a freshly booted RTA, then we need to re-open - ** the ports, if any where open, so that data may once more - ** flow around the system! - */ - if ( (HostP->Mapping[ThisUnit].Flags & RTA_NEWBOOT) && - (HostP->Mapping[ThisUnit].SysPort != NO_PORT) ) - { + + RtaUniq = (RBYTE(PktCmdP->UniqNum[0])) + (RBYTE(PktCmdP->UniqNum[1]) << 8) + (RBYTE(PktCmdP->UniqNum[2]) << 16) + (RBYTE(PktCmdP->UniqNum[3]) << 24); + /* - ** look at the ports associated with this beast and - ** see if any where open. If they was, then re-open - ** them, using the info from the tty flags. - */ - for ( port=0; port<PORTS_PER_RTA; port++ ) - { - PortP = p->RIOPortp[port+HostP->Mapping[ThisUnit].SysPort]; - if ( PortP->State & (RIO_MOPEN|RIO_LOPEN) ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Re-opened this port\n"); - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->MagicFlags |= MAGIC_REBOOT; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - } + ** Determine if 8 or 16 port RTA + */ + RtaType = GetUnitType(RtaUniq); + + rio_dprintk(RIO_DEBUG_ROUTE, "Received a request for an ID for serial number %x\n", RtaUniq); + + Mod = RBYTE(PktCmdP->ModuleTypes); + Mod1 = LONYBLE(Mod); + if (RtaType == TYPE_RTA16) { + /* + ** Only one ident is set for a 16 port RTA. To make compatible + ** with 8 port, set 2nd ident in Mod2 to the same as Mod1. + */ + Mod2 = Mod1; + rio_dprintk(RIO_DEBUG_ROUTE, "Backplane type is %s (all ports)\n", p->RIOModuleTypes[Mod1].Name); + } else { + Mod2 = HINYBLE(Mod); + rio_dprintk(RIO_DEBUG_ROUTE, "Module types are %s (ports 0-3) and %s (ports 4-7)\n", p->RIOModuleTypes[Mod1].Name, p->RIOModuleTypes[Mod2].Name); } - if (RtaType == TYPE_RTA16) - { - for ( port=0; port<PORTS_PER_RTA; port++ ) - { - PortP = p->RIOPortp[port+HostP->Mapping[ThisUnit2].SysPort]; - if ( PortP->State & (RIO_MOPEN|RIO_LOPEN) ) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Re-opened this port\n"); - rio_spin_lock_irqsave(&PortP->portSem, flags); - PortP->MagicFlags |= MAGIC_REBOOT; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - } - } + + if (RtaUniq == 0xffffffff) { + ShowPacket(DBG_SPECIAL, PacketP); } - } - - /* - ** keep a copy of the module types! - */ - HostP->UnixRups[ThisUnit].ModTypes = Mod; - if (RtaType == TYPE_RTA16) - HostP->UnixRups[ThisUnit2].ModTypes = Mod; - - /* - ** If either of the modules on this unit is read-only or write-only - ** or none-xprint, then we need to transfer that info over to the - ** relevant ports. - */ - if ( HostP->Mapping[ThisUnit].SysPort != NO_PORT ) - { - for ( port=0; port<PORTS_PER_MODULE; port++ ) - { - p->RIOPortp[port+HostP->Mapping[ThisUnit].SysPort]->Config &= ~RIO_NOMASK; - p->RIOPortp[port+HostP->Mapping[ThisUnit].SysPort]->Config |= - p->RIOModuleTypes[Mod1].Flags[port]; - p->RIOPortp[port+PORTS_PER_MODULE+HostP->Mapping[ThisUnit].SysPort]->Config &= ~RIO_NOMASK; - p->RIOPortp[port+PORTS_PER_MODULE+HostP->Mapping[ThisUnit].SysPort]->Config |= p->RIOModuleTypes[Mod2].Flags[port]; + + /* + ** try to unhook a command block from the command free list. + */ + if (!(CmdBlkP = RIOGetCmdBlk())) { + rio_dprintk(RIO_DEBUG_ROUTE, "No command blocks to route RTA! come back later.\n"); + return 0; } - if (RtaType == TYPE_RTA16) - { - for ( port=0; port<PORTS_PER_MODULE; port++ ) - { - p->RIOPortp[port+HostP->Mapping[ThisUnit2].SysPort]->Config &= ~RIO_NOMASK; - p->RIOPortp[port+HostP->Mapping[ThisUnit2].SysPort]->Config |= p->RIOModuleTypes[Mod1].Flags[port]; - p->RIOPortp[port+PORTS_PER_MODULE+HostP->Mapping[ThisUnit2].SysPort]->Config &= ~RIO_NOMASK; - p->RIOPortp[port+PORTS_PER_MODULE+HostP->Mapping[ThisUnit2].SysPort]->Config |= p->RIOModuleTypes[Mod2].Flags[port]; - } + + /* + ** Fill in the default info on the command block + */ + CmdBlkP->Packet.dest_unit = Rup; + CmdBlkP->Packet.dest_port = ROUTE_RUP; + CmdBlkP->Packet.src_unit = HOST_ID; + CmdBlkP->Packet.src_port = ROUTE_RUP; + CmdBlkP->Packet.len = PKT_CMD_BIT | 1; + CmdBlkP->PreFuncP = CmdBlkP->PostFuncP = NULL; + PktReplyP = (struct PktCmd_M *) CmdBlkP->Packet.data; + + if (!RIOBootOk(p, HostP, RtaUniq)) { + rio_dprintk(RIO_DEBUG_ROUTE, "RTA %x tried to get an ID, but does not belong - FOAD it!\n", RtaUniq); + PktReplyP->Command = ROUTE_FOAD; + HostP->Copy("RT_FOAD", PktReplyP->CommandText, 7); + RIOQueueCmdBlk(HostP, Rup, CmdBlkP); + return TRUE; } - } - - /* - ** Job done, get on with the interrupts! - */ - return TRUE; - } - } - /* - ** There is no table entry for this RTA at all. - ** - ** Lets check to see if we actually booted this unit - if not, - ** then we reset it and it will go round the loop of being booted - ** we can then worry about trying to fit it into the table. - */ - for ( ThisUnit=0; ThisUnit<HostP->NumExtraBooted; ThisUnit++ ) - if ( HostP->ExtraUnits[ThisUnit] == RtaUniq ) - break; - if ( ThisUnit == HostP->NumExtraBooted && ThisUnit != MAX_EXTRA_UNITS ) - { - /* - ** if the unit wasn't in the table, and the table wasn't full, then - ** we reset the unit, because we didn't boot it. - ** However, if the table is full, it could be that we did boot - ** this unit, and so we won't reboot it, because it isn't really - ** all that disasterous to keep the old bins in most cases. This - ** is a rather tacky feature, but we are on the edge of reallity - ** here, because the implication is that someone has connected - ** 16+MAX_EXTRA_UNITS onto one host. - */ - static int UnknownMesgDone = 0; - - if ( !UnknownMesgDone ) - { - if (! p->RIONoMessage) - cprintf("One or more unknown RTAs are being updated.\n"); - UnknownMesgDone = 1; - } - - PktReplyP->Command = ROUTE_FOAD; - HostP->Copy("RT_FOAD",PktReplyP->CommandText,7); - } - else - { - /* - ** we did boot it (as an extra), and there may now be a table - ** slot free (because of a delete), so we will try to make - ** a tentative entry for it, so that the configurator can see it - ** and fill in the details for us. - */ - if (RtaType == TYPE_RTA16) - { - if (RIOFindFreeID(p, HostP, &ThisUnit, &ThisUnit2) == 0) - { - RIODefaultName(p, HostP, ThisUnit); - FillSlot(ThisUnit, ThisUnit2, RtaUniq, HostP); + + /* + ** Check to see if the RTA is configured for this host + */ + for (ThisUnit = 0; ThisUnit < MAX_RUP; ThisUnit++) { + rio_dprintk(RIO_DEBUG_ROUTE, "Entry %d Flags=%s %s UniqueNum=0x%x\n", + ThisUnit, HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE ? "Slot-In-Use" : "Not In Use", HostP->Mapping[ThisUnit].Flags & SLOT_TENTATIVE ? "Slot-Tentative" : "Not Tentative", HostP->Mapping[ThisUnit].RtaUniqueNum); + + /* + ** We have an entry for it. + */ + if ((HostP->Mapping[ThisUnit].Flags & (SLOT_IN_USE | SLOT_TENTATIVE)) && (HostP->Mapping[ThisUnit].RtaUniqueNum == RtaUniq)) { + if (RtaType == TYPE_RTA16) { + ThisUnit2 = HostP->Mapping[ThisUnit].ID2 - 1; + rio_dprintk(RIO_DEBUG_ROUTE, "Found unit 0x%x at slots %d+%d\n", RtaUniq, ThisUnit, ThisUnit2); + } else + rio_dprintk(RIO_DEBUG_ROUTE, "Found unit 0x%x at slot %d\n", RtaUniq, ThisUnit); + /* + ** If we have no knowledge of booting it, then the host has + ** been re-booted, and so we must kill the RTA, so that it + ** will be booted again (potentially with new bins) + ** and it will then re-ask for an ID, which we will service. + */ + if ((HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE) && !(HostP->Mapping[ThisUnit].Flags & RTA_BOOTED)) { + if (!(HostP->Mapping[ThisUnit].Flags & MSG_DONE)) { + if (!p->RIONoMessage) + cprintf("RTA '%s' is being updated.\n", HostP->Mapping[ThisUnit].Name); + HostP->Mapping[ThisUnit].Flags |= MSG_DONE; + } + PktReplyP->Command = ROUTE_FOAD; + HostP->Copy("RT_FOAD", PktReplyP->CommandText, 7); + RIOQueueCmdBlk(HostP, Rup, CmdBlkP); + return TRUE; + } + + /* + ** Send the ID (entry) to this RTA. The ID number is implicit as + ** the offset into the table. It is worth noting at this stage + ** that offset zero in the table contains the entries for the + ** RTA with ID 1!!!! + */ + PktReplyP->Command = ROUTE_ALLOCATE; + PktReplyP->IDNum = ThisUnit + 1; + if (RtaType == TYPE_RTA16) { + if (HostP->Mapping[ThisUnit].Flags & SLOT_IN_USE) + /* + ** Adjust the phb and tx pkt dest_units for 2nd block of 8 + ** only if the RTA has ports associated (SLOT_IN_USE) + */ + RIOFixPhbs(p, HostP, ThisUnit2); + PktReplyP->IDNum2 = ThisUnit2 + 1; + rio_dprintk(RIO_DEBUG_ROUTE, "RTA '%s' has been allocated IDs %d+%d\n", HostP->Mapping[ThisUnit].Name, PktReplyP->IDNum, PktReplyP->IDNum2); + } else { + PktReplyP->IDNum2 = ROUTE_NO_ID; + rio_dprintk(RIO_DEBUG_ROUTE, "RTA '%s' has been allocated ID %d\n", HostP->Mapping[ThisUnit].Name, PktReplyP->IDNum); + } + HostP->Copy("RT_ALLOCAT", PktReplyP->CommandText, 10); + + RIOQueueCmdBlk(HostP, Rup, CmdBlkP); + + /* + ** If this is a freshly booted RTA, then we need to re-open + ** the ports, if any where open, so that data may once more + ** flow around the system! + */ + if ((HostP->Mapping[ThisUnit].Flags & RTA_NEWBOOT) && (HostP->Mapping[ThisUnit].SysPort != NO_PORT)) { + /* + ** look at the ports associated with this beast and + ** see if any where open. If they was, then re-open + ** them, using the info from the tty flags. + */ + for (port = 0; port < PORTS_PER_RTA; port++) { + PortP = p->RIOPortp[port + HostP->Mapping[ThisUnit].SysPort]; + if (PortP->State & (RIO_MOPEN | RIO_LOPEN)) { + rio_dprintk(RIO_DEBUG_ROUTE, "Re-opened this port\n"); + rio_spin_lock_irqsave(&PortP->portSem, flags); + PortP->MagicFlags |= MAGIC_REBOOT; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + } + } + if (RtaType == TYPE_RTA16) { + for (port = 0; port < PORTS_PER_RTA; port++) { + PortP = p->RIOPortp[port + HostP->Mapping[ThisUnit2].SysPort]; + if (PortP->State & (RIO_MOPEN | RIO_LOPEN)) { + rio_dprintk(RIO_DEBUG_ROUTE, "Re-opened this port\n"); + rio_spin_lock_irqsave(&PortP->portSem, flags); + PortP->MagicFlags |= MAGIC_REBOOT; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + } + } + } + } + + /* + ** keep a copy of the module types! + */ + HostP->UnixRups[ThisUnit].ModTypes = Mod; + if (RtaType == TYPE_RTA16) + HostP->UnixRups[ThisUnit2].ModTypes = Mod; + + /* + ** If either of the modules on this unit is read-only or write-only + ** or none-xprint, then we need to transfer that info over to the + ** relevant ports. + */ + if (HostP->Mapping[ThisUnit].SysPort != NO_PORT) { + for (port = 0; port < PORTS_PER_MODULE; port++) { + p->RIOPortp[port + HostP->Mapping[ThisUnit].SysPort]->Config &= ~RIO_NOMASK; + p->RIOPortp[port + HostP->Mapping[ThisUnit].SysPort]->Config |= p->RIOModuleTypes[Mod1].Flags[port]; + p->RIOPortp[port + PORTS_PER_MODULE + HostP->Mapping[ThisUnit].SysPort]->Config &= ~RIO_NOMASK; + p->RIOPortp[port + PORTS_PER_MODULE + HostP->Mapping[ThisUnit].SysPort]->Config |= p->RIOModuleTypes[Mod2].Flags[port]; + } + if (RtaType == TYPE_RTA16) { + for (port = 0; port < PORTS_PER_MODULE; port++) { + p->RIOPortp[port + HostP->Mapping[ThisUnit2].SysPort]->Config &= ~RIO_NOMASK; + p->RIOPortp[port + HostP->Mapping[ThisUnit2].SysPort]->Config |= p->RIOModuleTypes[Mod1].Flags[port]; + p->RIOPortp[port + PORTS_PER_MODULE + HostP->Mapping[ThisUnit2].SysPort]->Config &= ~RIO_NOMASK; + p->RIOPortp[port + PORTS_PER_MODULE + HostP->Mapping[ThisUnit2].SysPort]->Config |= p->RIOModuleTypes[Mod2].Flags[port]; + } + } + } + + /* + ** Job done, get on with the interrupts! + */ + return TRUE; + } } - } - else - { - if (RIOFindFreeID(p, HostP, &ThisUnit, NULL) == 0) - { - RIODefaultName(p, HostP, ThisUnit); - FillSlot(ThisUnit, 0, RtaUniq, HostP); + /* + ** There is no table entry for this RTA at all. + ** + ** Lets check to see if we actually booted this unit - if not, + ** then we reset it and it will go round the loop of being booted + ** we can then worry about trying to fit it into the table. + */ + for (ThisUnit = 0; ThisUnit < HostP->NumExtraBooted; ThisUnit++) + if (HostP->ExtraUnits[ThisUnit] == RtaUniq) + break; + if (ThisUnit == HostP->NumExtraBooted && ThisUnit != MAX_EXTRA_UNITS) { + /* + ** if the unit wasn't in the table, and the table wasn't full, then + ** we reset the unit, because we didn't boot it. + ** However, if the table is full, it could be that we did boot + ** this unit, and so we won't reboot it, because it isn't really + ** all that disasterous to keep the old bins in most cases. This + ** is a rather tacky feature, but we are on the edge of reallity + ** here, because the implication is that someone has connected + ** 16+MAX_EXTRA_UNITS onto one host. + */ + static int UnknownMesgDone = 0; + + if (!UnknownMesgDone) { + if (!p->RIONoMessage) + cprintf("One or more unknown RTAs are being updated.\n"); + UnknownMesgDone = 1; + } + + PktReplyP->Command = ROUTE_FOAD; + HostP->Copy("RT_FOAD", PktReplyP->CommandText, 7); + } else { + /* + ** we did boot it (as an extra), and there may now be a table + ** slot free (because of a delete), so we will try to make + ** a tentative entry for it, so that the configurator can see it + ** and fill in the details for us. + */ + if (RtaType == TYPE_RTA16) { + if (RIOFindFreeID(p, HostP, &ThisUnit, &ThisUnit2) == 0) { + RIODefaultName(p, HostP, ThisUnit); + FillSlot(ThisUnit, ThisUnit2, RtaUniq, HostP); + } + } else { + if (RIOFindFreeID(p, HostP, &ThisUnit, NULL) == 0) { + RIODefaultName(p, HostP, ThisUnit); + FillSlot(ThisUnit, 0, RtaUniq, HostP); + } + } + PktReplyP->Command = ROUTE_USED; + HostP->Copy("RT_USED", PktReplyP->CommandText, 7); } - } - PktReplyP->Command = ROUTE_USED; - HostP->Copy("RT_USED",PktReplyP->CommandText,7); - } - RIOQueueCmdBlk( HostP, Rup, CmdBlkP); - return TRUE; + RIOQueueCmdBlk(HostP, Rup, CmdBlkP); + return TRUE; } -void -RIOFixPhbs(p, HostP, unit) +void RIOFixPhbs(p, HostP, unit) struct rio_info *p; struct Host *HostP; uint unit; { - ushort link, port; - struct Port *PortP; + ushort link, port; + struct Port *PortP; unsigned long flags; int PortN = HostP->Mapping[unit].SysPort; - rio_dprintk (RIO_DEBUG_ROUTE, "RIOFixPhbs unit %d sysport %d\n", unit, PortN); + rio_dprintk(RIO_DEBUG_ROUTE, "RIOFixPhbs unit %d sysport %d\n", unit, PortN); if (PortN != -1) { - ushort dest_unit = HostP->Mapping[unit].ID2; + ushort dest_unit = HostP->Mapping[unit].ID2; /* - ** Get the link number used for the 1st 8 phbs on this unit. - */ + ** Get the link number used for the 1st 8 phbs on this unit. + */ PortP = p->RIOPortp[HostP->Mapping[dest_unit - 1].SysPort]; link = RWORD(PortP->PhbP->link); for (port = 0; port < PORTS_PER_RTA; port++, PortN++) { - ushort dest_port = port + 8; -#if 0 - uint PktInt; -#endif - WORD *TxPktP; - PKT *Pkt; + ushort dest_port = port + 8; + WORD *TxPktP; + PKT *Pkt; PortP = p->RIOPortp[PortN]; rio_spin_lock_irqsave(&PortP->portSem, flags); /* - ** If RTA is not powered on, the tx packets will be - ** unset, so go no further. - */ + ** If RTA is not powered on, the tx packets will be + ** unset, so go no further. + */ if (PortP->TxStart == 0) { - rio_dprintk (RIO_DEBUG_ROUTE, "Tx pkts not set up yet\n"); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - break; + rio_dprintk(RIO_DEBUG_ROUTE, "Tx pkts not set up yet\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + break; } /* - ** For the second slot of a 16 port RTA, the driver needs to - ** sort out the phb to port mappings. The dest_unit for this - ** group of 8 phbs is set to the dest_unit of the accompanying - ** 8 port block. The dest_port of the second unit is set to - ** be in the range 8-15 (i.e. 8 is added). Thus, for a 16 port - ** RTA with IDs 5 and 6, traffic bound for port 6 of unit 6 - ** (being the second map ID) will be sent to dest_unit 5, port - ** 14. When this RTA is deleted, dest_unit for ID 6 will be - ** restored, and the dest_port will be reduced by 8. - ** Transmit packets also have a destination field which needs - ** adjusting in the same manner. - ** Note that the unit/port bytes in 'dest' are swapped. - ** We also need to adjust the phb and rup link numbers for the - ** second block of 8 ttys. - */ + ** For the second slot of a 16 port RTA, the driver needs to + ** sort out the phb to port mappings. The dest_unit for this + ** group of 8 phbs is set to the dest_unit of the accompanying + ** 8 port block. The dest_port of the second unit is set to + ** be in the range 8-15 (i.e. 8 is added). Thus, for a 16 port + ** RTA with IDs 5 and 6, traffic bound for port 6 of unit 6 + ** (being the second map ID) will be sent to dest_unit 5, port + ** 14. When this RTA is deleted, dest_unit for ID 6 will be + ** restored, and the dest_port will be reduced by 8. + ** Transmit packets also have a destination field which needs + ** adjusting in the same manner. + ** Note that the unit/port bytes in 'dest' are swapped. + ** We also need to adjust the phb and rup link numbers for the + ** second block of 8 ttys. + */ for (TxPktP = PortP->TxStart; TxPktP <= PortP->TxEnd; TxPktP++) { /* - ** *TxPktP is the pointer to the transmit packet on the host - ** card. This needs to be translated into a 32 bit pointer - ** so it can be accessed from the driver. - */ - Pkt = (PKT *) RIO_PTR(HostP->Caddr,RINDW(TxPktP)); + ** *TxPktP is the pointer to the transmit packet on the host + ** card. This needs to be translated into a 32 bit pointer + ** so it can be accessed from the driver. + */ + Pkt = (PKT *) RIO_PTR(HostP->Caddr, RINDW(TxPktP)); /* - ** If the packet is used, reset it. - */ - Pkt = (PKT *)((uint)Pkt & ~PKT_IN_USE); + ** If the packet is used, reset it. + */ + Pkt = (PKT *) ((uint) Pkt & ~PKT_IN_USE); WBYTE(Pkt->dest_unit, dest_unit); WBYTE(Pkt->dest_port, dest_port); } - rio_dprintk (RIO_DEBUG_ROUTE, "phb dest: Old %x:%x New %x:%x\n", - RWORD(PortP->PhbP->destination) & 0xff, - (RWORD(PortP->PhbP->destination) >> 8) & 0xff, - dest_unit, dest_port); + rio_dprintk(RIO_DEBUG_ROUTE, "phb dest: Old %x:%x New %x:%x\n", RWORD(PortP->PhbP->destination) & 0xff, (RWORD(PortP->PhbP->destination) >> 8) & 0xff, dest_unit, dest_port); WWORD(PortP->PhbP->destination, dest_unit + (dest_port << 8)); WWORD(PortP->PhbP->link, link); rio_spin_unlock_irqrestore(&PortP->portSem, flags); } /* - ** Now make sure the range of ports to be serviced includes - ** the 2nd 8 on this 16 port RTA. - */ - if (link > 3) return; + ** Now make sure the range of ports to be serviced includes + ** the 2nd 8 on this 16 port RTA. + */ + if (link > 3) + return; if (((unit * 8) + 7) > RWORD(HostP->LinkStrP[link].last_port)) { - rio_dprintk (RIO_DEBUG_ROUTE, "last port on host link %d: %d\n", link, (unit * 8) + 7); + rio_dprintk(RIO_DEBUG_ROUTE, "last port on host link %d: %d\n", link, (unit * 8) + 7); WWORD(HostP->LinkStrP[link].last_port, (unit * 8) + 7); } } @@ -723,26 +603,21 @@ uint unit; ** the world about it. This is done to ensure that the configurator ** only gets up-to-date information about what is going on. */ -static int -RIOCheckIsolated(p, HostP, UnitId) -struct rio_info * p; +static int RIOCheckIsolated(p, HostP, UnitId) +struct rio_info *p; struct Host *HostP; uint UnitId; { unsigned long flags; rio_spin_lock_irqsave(&HostP->HostLock, flags); -#ifdef CHECK - CheckHostP( HostP ); - CheckUnitId( UnitId ); -#endif - if ( RIOCheck( HostP, UnitId ) ) { - rio_dprintk (RIO_DEBUG_ROUTE, "Unit %d is NOT isolated\n", UnitId); + if (RIOCheck(HostP, UnitId)) { + rio_dprintk(RIO_DEBUG_ROUTE, "Unit %d is NOT isolated\n", UnitId); rio_spin_unlock_irqrestore(&HostP->HostLock, flags); - return(0); + return (0); } - RIOIsolate(p, HostP, UnitId ); + RIOIsolate(p, HostP, UnitId); RIOSetChange(p); rio_spin_unlock_irqrestore(&HostP->HostLock, flags); return 1; @@ -753,85 +628,75 @@ uint UnitId; ** all the units attached to it. This will mean that the entire ** subnet will re-introduce itself. */ -static int -RIOIsolate(p, HostP, UnitId) -struct rio_info * p; -struct Host * HostP; -uint UnitId; +static int RIOIsolate(p, HostP, UnitId) +struct rio_info *p; +struct Host *HostP; +uint UnitId; { uint link, unit; -#ifdef CHECK - CheckHostP( HostP ); - CheckUnitId( UnitId ); -#endif UnitId--; /* this trick relies on the Unit Id being UNSIGNED! */ - if ( UnitId >= MAX_RUP ) /* dontcha just lurv unsigned maths! */ - return(0); + if (UnitId >= MAX_RUP) /* dontcha just lurv unsigned maths! */ + return (0); - if ( HostP->Mapping[UnitId].Flags & BEEN_HERE ) - return(0); + if (HostP->Mapping[UnitId].Flags & BEEN_HERE) + return (0); HostP->Mapping[UnitId].Flags |= BEEN_HERE; - if ( p->RIOPrintDisabled == DO_PRINT ) - rio_dprintk (RIO_DEBUG_ROUTE, "RIOMesgIsolated %s", HostP->Mapping[UnitId].Name); + if (p->RIOPrintDisabled == DO_PRINT) + rio_dprintk(RIO_DEBUG_ROUTE, "RIOMesgIsolated %s", HostP->Mapping[UnitId].Name); - for ( link=0; link<LINKS_PER_UNIT; link++) { + for (link = 0; link < LINKS_PER_UNIT; link++) { unit = HostP->Mapping[UnitId].Topology[link].Unit; HostP->Mapping[UnitId].Topology[link].Unit = ROUTE_DISCONNECT; HostP->Mapping[UnitId].Topology[link].Link = NO_LINK; - RIOIsolate(p, HostP, unit ); + RIOIsolate(p, HostP, unit); } HostP->Mapping[UnitId].Flags &= ~BEEN_HERE; return 1; } -static int -RIOCheck(HostP, UnitId) +static int RIOCheck(HostP, UnitId) struct Host *HostP; uint UnitId; { - unsigned char link; + unsigned char link; -#ifdef CHECK - CheckHostP( HostP ); - CheckUnitId( UnitId ); -#endif /* rio_dprint(RIO_DEBUG_ROUTE, ("Check to see if unit %d has a route to the host\n",UnitId)); */ - rio_dprintk (RIO_DEBUG_ROUTE, "RIOCheck : UnitID = %d\n", UnitId); + rio_dprintk(RIO_DEBUG_ROUTE, "RIOCheck : UnitID = %d\n", UnitId); - if ( UnitId == HOST_ID ) { + if (UnitId == HOST_ID) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d is NOT isolated - it IS the host!\n", UnitId)); */ return 1; } UnitId--; - if ( UnitId >= MAX_RUP ) { + if (UnitId >= MAX_RUP) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d - ignored.\n", UnitId)); */ return 0; } - for ( link=0; link<LINKS_PER_UNIT; link++ ) { - if ( HostP->Mapping[UnitId].Topology[link].Unit==HOST_ID ) { + for (link = 0; link < LINKS_PER_UNIT; link++) { + if (HostP->Mapping[UnitId].Topology[link].Unit == HOST_ID) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d is connected directly to host via link (%c).\n", - UnitId, 'A'+link)); */ + UnitId, 'A'+link)); */ return 1; } } - if ( HostP->Mapping[UnitId].Flags & BEEN_HERE ) { + if (HostP->Mapping[UnitId].Flags & BEEN_HERE) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Been to Unit %d before - ignoring\n", UnitId)); */ return 0; } HostP->Mapping[UnitId].Flags |= BEEN_HERE; - for ( link=0; link < LINKS_PER_UNIT; link++ ) { + for (link = 0; link < LINKS_PER_UNIT; link++) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d check link (%c)\n", UnitId,'A'+link)); */ - if ( RIOCheck( HostP, HostP->Mapping[UnitId].Topology[link].Unit ) ) { + if (RIOCheck(HostP, HostP->Mapping[UnitId].Topology[link].Unit)) { /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d is connected to something that knows the host via link (%c)\n", UnitId,link+'A')); */ HostP->Mapping[UnitId].Flags &= ~BEEN_HERE; return 1; @@ -841,7 +706,7 @@ uint UnitId; HostP->Mapping[UnitId].Flags &= ~BEEN_HERE; /* rio_dprint(RIO_DEBUG_ROUTE, ("Unit %d DOESNT KNOW THE HOST!\n", UnitId)); */ - + return 0; } @@ -849,61 +714,57 @@ uint UnitId; ** Returns the type of unit (host, 16/8 port RTA) */ -uint -GetUnitType(Uniq) +uint GetUnitType(Uniq) uint Uniq; { - switch ( (Uniq >> 28) & 0xf) - { - case RIO_AT: - case RIO_MCA: - case RIO_EISA: - case RIO_PCI: - rio_dprintk (RIO_DEBUG_ROUTE, "Unit type: Host\n"); - return(TYPE_HOST); - case RIO_RTA_16: - rio_dprintk (RIO_DEBUG_ROUTE, "Unit type: 16 port RTA\n"); - return(TYPE_RTA16); - case RIO_RTA: - rio_dprintk (RIO_DEBUG_ROUTE, "Unit type: 8 port RTA\n"); - return(TYPE_RTA8); - default : - rio_dprintk (RIO_DEBUG_ROUTE, "Unit type: Unrecognised\n"); - return(99); + switch ((Uniq >> 28) & 0xf) { + case RIO_AT: + case RIO_MCA: + case RIO_EISA: + case RIO_PCI: + rio_dprintk(RIO_DEBUG_ROUTE, "Unit type: Host\n"); + return (TYPE_HOST); + case RIO_RTA_16: + rio_dprintk(RIO_DEBUG_ROUTE, "Unit type: 16 port RTA\n"); + return (TYPE_RTA16); + case RIO_RTA: + rio_dprintk(RIO_DEBUG_ROUTE, "Unit type: 8 port RTA\n"); + return (TYPE_RTA8); + default: + rio_dprintk(RIO_DEBUG_ROUTE, "Unit type: Unrecognised\n"); + return (99); } } -int -RIOSetChange(p) -struct rio_info * p; +int RIOSetChange(p) +struct rio_info *p; { - if ( p->RIOQuickCheck != NOT_CHANGED ) - return(0); + if (p->RIOQuickCheck != NOT_CHANGED) + return (0); p->RIOQuickCheck = CHANGED; - if ( p->RIOSignalProcess ) { - rio_dprintk (RIO_DEBUG_ROUTE, "Send SIG-HUP"); + if (p->RIOSignalProcess) { + rio_dprintk(RIO_DEBUG_ROUTE, "Send SIG-HUP"); /* - psignal( RIOSignalProcess, SIGHUP ); - */ + psignal( RIOSignalProcess, SIGHUP ); + */ } - return(0); + return (0); } -static void -RIOConCon(p, HostP, FromId, FromLink, ToId, ToLink, Change) -struct rio_info * p; +static void RIOConCon(p, HostP, FromId, FromLink, ToId, ToLink, Change) +struct rio_info *p; struct Host *HostP; uint FromId; uint FromLink; uint ToId; uint ToLink; -int Change; +int Change; { - char *FromName; - char *FromType; - char *ToName; - char *ToType; - unsigned int tp; + char *FromName; + char *FromType; + char *ToName; + char *ToType; + unsigned int tp; /* ** 15.10.1998 ARG - ESIL 0759 @@ -932,38 +793,32 @@ int Change; ** rio_info struct - RIORtaDisCons (RIO RTA connections) keeps track of RTA ** connections and disconnections. */ - if (Change == CONNECT) { - if (p->RIORtaDisCons) p->RIORtaDisCons--; - } - else { + if (Change == CONNECT) { + if (p->RIORtaDisCons) + p->RIORtaDisCons--; + } else { p->RIORtaDisCons++; - } + } - if ( p->RIOPrintDisabled == DONT_PRINT ) + if (p->RIOPrintDisabled == DONT_PRINT) return; - if ( FromId > ToId ) { + if (FromId > ToId) { tp = FromId; FromId = ToId; ToId = tp; tp = FromLink; FromLink = ToLink; ToLink = tp; - } - - FromName = FromId ? HostP->Mapping[FromId-1].Name : HostP->Name; - FromType = FromId ? "RTA" : "HOST"; - ToName = ToId ? HostP->Mapping[ToId-1].Name : HostP->Name; - ToType = ToId ? "RTA" : "HOST"; - - rio_dprintk (RIO_DEBUG_ROUTE, "Link between %s '%s' (%c) and %s '%s' (%c) %s.\n", - FromType, FromName, 'A'+FromLink, - ToType, ToName, 'A'+ToLink, - (Change==CONNECT) ? "established" : "disconnected"); - cprintf("Link between %s '%s' (%c) and %s '%s' (%c) %s.\n", - FromType, FromName, 'A'+FromLink, - ToType, ToName, 'A'+ToLink, - (Change==CONNECT) ? "established" : "disconnected"); + } + + FromName = FromId ? HostP->Mapping[FromId - 1].Name : HostP->Name; + FromType = FromId ? "RTA" : "HOST"; + ToName = ToId ? HostP->Mapping[ToId - 1].Name : HostP->Name; + ToType = ToId ? "RTA" : "HOST"; + + rio_dprintk(RIO_DEBUG_ROUTE, "Link between %s '%s' (%c) and %s '%s' (%c) %s.\n", FromType, FromName, 'A' + FromLink, ToType, ToName, 'A' + ToLink, (Change == CONNECT) ? "established" : "disconnected"); + cprintf("Link between %s '%s' (%c) and %s '%s' (%c) %s.\n", FromType, FromName, 'A' + FromLink, ToType, ToName, 'A' + ToLink, (Change == CONNECT) ? "established" : "disconnected"); } /* @@ -972,24 +827,21 @@ int Change; ** Delete and RTA entry from the saved table given to us ** by the configuration program. */ -static int -RIORemoveFromSavedTable(struct rio_info *p, struct Map *pMap) +static int RIORemoveFromSavedTable(struct rio_info *p, struct Map *pMap) { - int entry; - - /* - ** We loop for all entries even after finding an entry and - ** zeroing it because we may have two entries to delete if - ** it's a 16 port RTA. - */ - for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) - { - if (p->RIOSavedTable[entry].RtaUniqueNum == pMap->RtaUniqueNum) - { - bzero((caddr_t)&p->RIOSavedTable[entry], sizeof(struct Map)); + int entry; + + /* + ** We loop for all entries even after finding an entry and + ** zeroing it because we may have two entries to delete if + ** it's a 16 port RTA. + */ + for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) { + if (p->RIOSavedTable[entry].RtaUniqueNum == pMap->RtaUniqueNum) { + bzero((caddr_t) & p->RIOSavedTable[entry], sizeof(struct Map)); + } } - } - return 0; + return 0; } @@ -999,64 +851,58 @@ RIORemoveFromSavedTable(struct rio_info *p, struct Map *pMap) ** Scan the unit links to and return zero if the unit is completely ** disconnected. */ -static int -RIOFreeDisconnected(struct rio_info *p, struct Host *HostP, int unit) +static int RIOFreeDisconnected(struct rio_info *p, struct Host *HostP, int unit) { - int link; - - - rio_dprintk (RIO_DEBUG_ROUTE, "RIOFreeDisconnect unit %d\n", unit); - /* - ** If the slot is tentative and does not belong to the - ** second half of a 16 port RTA then scan to see if - ** is disconnected. - */ - for (link = 0; link < LINKS_PER_UNIT; link++) - { - if (HostP->Mapping[unit].Topology[link].Unit != ROUTE_DISCONNECT) - break; - } - - /* - ** If not all links are disconnected then we can forget about it. - */ - if (link < LINKS_PER_UNIT) - return 1; + int link; + + + rio_dprintk(RIO_DEBUG_ROUTE, "RIOFreeDisconnect unit %d\n", unit); + /* + ** If the slot is tentative and does not belong to the + ** second half of a 16 port RTA then scan to see if + ** is disconnected. + */ + for (link = 0; link < LINKS_PER_UNIT; link++) { + if (HostP->Mapping[unit].Topology[link].Unit != ROUTE_DISCONNECT) + break; + } + + /* + ** If not all links are disconnected then we can forget about it. + */ + if (link < LINKS_PER_UNIT) + return 1; #ifdef NEED_TO_FIX_THIS - /* Ok so all the links are disconnected. But we may have only just - ** made this slot tentative and not yet received a topology update. - ** Lets check how long ago we made it tentative. - */ - rio_dprintk (RIO_DEBUG_ROUTE, "Just about to check LBOLT on entry %d\n", unit); - if (drv_getparm(LBOLT, (ulong_t *) ¤t_time)) - rio_dprintk (RIO_DEBUG_ROUTE, "drv_getparm(LBOLT,....) Failed.\n"); - - elapse_time = current_time - TentTime[unit]; - rio_dprintk (RIO_DEBUG_ROUTE, "elapse %d = current %d - tent %d (%d usec)\n", - elapse_time, current_time, TentTime[unit], drv_hztousec(elapse_time)); - if (drv_hztousec(elapse_time) < WAIT_TO_FINISH) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Skipping slot %d, not timed out yet %d\n", - unit, drv_hztousec(elapse_time)); - return 1; - } + /* Ok so all the links are disconnected. But we may have only just + ** made this slot tentative and not yet received a topology update. + ** Lets check how long ago we made it tentative. + */ + rio_dprintk(RIO_DEBUG_ROUTE, "Just about to check LBOLT on entry %d\n", unit); + if (drv_getparm(LBOLT, (ulong_t *) & current_time)) + rio_dprintk(RIO_DEBUG_ROUTE, "drv_getparm(LBOLT,....) Failed.\n"); + + elapse_time = current_time - TentTime[unit]; + rio_dprintk(RIO_DEBUG_ROUTE, "elapse %d = current %d - tent %d (%d usec)\n", elapse_time, current_time, TentTime[unit], drv_hztousec(elapse_time)); + if (drv_hztousec(elapse_time) < WAIT_TO_FINISH) { + rio_dprintk(RIO_DEBUG_ROUTE, "Skipping slot %d, not timed out yet %d\n", unit, drv_hztousec(elapse_time)); + return 1; + } #endif - /* - ** We have found an usable slot. - ** If it is half of a 16 port RTA then delete the other half. - */ - if (HostP->Mapping[unit].ID2 != 0) - { - int nOther = (HostP->Mapping[unit].ID2) -1; - - rio_dprintk (RIO_DEBUG_ROUTE, "RioFreedis second slot %d.\n", nOther); - bzero((caddr_t)&HostP->Mapping[nOther], sizeof(struct Map)); - } - RIORemoveFromSavedTable(p, &HostP->Mapping[unit]); + /* + ** We have found an usable slot. + ** If it is half of a 16 port RTA then delete the other half. + */ + if (HostP->Mapping[unit].ID2 != 0) { + int nOther = (HostP->Mapping[unit].ID2) - 1; + + rio_dprintk(RIO_DEBUG_ROUTE, "RioFreedis second slot %d.\n", nOther); + bzero((caddr_t) & HostP->Mapping[nOther], sizeof(struct Map)); + } + RIORemoveFromSavedTable(p, &HostP->Mapping[unit]); - return 0; + return 0; } @@ -1066,150 +912,134 @@ RIOFreeDisconnected(struct rio_info *p, struct Host *HostP, int unit) ** This function scans the given host table for either one ** or two free unit ID's. */ -int -RIOFindFreeID(struct rio_info *p, struct Host *HostP, uint *pID1, uint *pID2) +int RIOFindFreeID(struct rio_info *p, struct Host *HostP, uint * pID1, uint * pID2) { - int unit,tempID; - - /* - ** Initialise the ID's to MAX_RUP. - ** We do this to make the loop for setting the ID's as simple as - ** possible. - */ - *pID1 = MAX_RUP; - if (pID2 != NULL) - *pID2 = MAX_RUP; - - /* - ** Scan all entries of the host mapping table for free slots. - ** We scan for free slots first and then if that is not successful - ** we start all over again looking for tentative slots we can re-use. - */ - for (unit = 0; unit < MAX_RUP; unit++) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Scanning unit %d\n",unit); + int unit, tempID; + /* - ** If the flags are zero then the slot is empty. - */ - if (HostP->Mapping[unit].Flags == 0) - { - rio_dprintk (RIO_DEBUG_ROUTE, " This slot is empty.\n"); - /* - ** If we haven't allocated the first ID then do it now. - */ - if (*pID1 == MAX_RUP) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Make tentative entry for first unit %d\n", unit); - *pID1 = unit; + ** Initialise the ID's to MAX_RUP. + ** We do this to make the loop for setting the ID's as simple as + ** possible. + */ + *pID1 = MAX_RUP; + if (pID2 != NULL) + *pID2 = MAX_RUP; + /* + ** Scan all entries of the host mapping table for free slots. + ** We scan for free slots first and then if that is not successful + ** we start all over again looking for tentative slots we can re-use. + */ + for (unit = 0; unit < MAX_RUP; unit++) { + rio_dprintk(RIO_DEBUG_ROUTE, "Scanning unit %d\n", unit); /* - ** If the second ID is not needed then we can return - ** now. - */ - if (pID2 == NULL) - return 0; - } - else - { - /* - ** Allocate the second slot and return. - */ - rio_dprintk (RIO_DEBUG_ROUTE, "Make tentative entry for second unit %d\n", unit); - *pID2 = unit; - return 0; - } + ** If the flags are zero then the slot is empty. + */ + if (HostP->Mapping[unit].Flags == 0) { + rio_dprintk(RIO_DEBUG_ROUTE, " This slot is empty.\n"); + /* + ** If we haven't allocated the first ID then do it now. + */ + if (*pID1 == MAX_RUP) { + rio_dprintk(RIO_DEBUG_ROUTE, "Make tentative entry for first unit %d\n", unit); + *pID1 = unit; + + /* + ** If the second ID is not needed then we can return + ** now. + */ + if (pID2 == NULL) + return 0; + } else { + /* + ** Allocate the second slot and return. + */ + rio_dprintk(RIO_DEBUG_ROUTE, "Make tentative entry for second unit %d\n", unit); + *pID2 = unit; + return 0; + } + } } - } - - /* - ** If we manage to come out of the free slot loop then we - ** need to start all over again looking for tentative slots - ** that we can re-use. - */ - rio_dprintk (RIO_DEBUG_ROUTE, "Starting to scan for tentative slots\n"); - for (unit = 0; unit < MAX_RUP; unit++) - { - if (((HostP->Mapping[unit].Flags & SLOT_TENTATIVE) || - (HostP->Mapping[unit].Flags == 0)) && ! - (HostP->Mapping[unit].Flags & RTA16_SECOND_SLOT )) - { - rio_dprintk (RIO_DEBUG_ROUTE, " Slot %d looks promising.\n",unit); - - if(unit == *pID1) - { - rio_dprintk (RIO_DEBUG_ROUTE, " No it isn't, its the 1st half\n"); - continue; - } - - /* - ** Slot is Tentative or Empty, but not a tentative second - ** slot of a 16 porter. - ** Attempt to free up this slot (and its parnter if - ** it is a 16 port slot. The second slot will become - ** empty after a call to RIOFreeDisconnected so thats why - ** we look for empty slots above as well). - */ - if (HostP->Mapping[unit].Flags != 0) - if (RIOFreeDisconnected(p, HostP, unit) != 0) - continue; - /* - ** If we haven't allocated the first ID then do it now. - */ - if (*pID1 == MAX_RUP) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Grab tentative entry for first unit %d\n", unit); - *pID1 = unit; - /* - ** Clear out this slot now that we intend to use it. - */ - bzero(&HostP->Mapping[unit], sizeof(struct Map)); + /* + ** If we manage to come out of the free slot loop then we + ** need to start all over again looking for tentative slots + ** that we can re-use. + */ + rio_dprintk(RIO_DEBUG_ROUTE, "Starting to scan for tentative slots\n"); + for (unit = 0; unit < MAX_RUP; unit++) { + if (((HostP->Mapping[unit].Flags & SLOT_TENTATIVE) || (HostP->Mapping[unit].Flags == 0)) && !(HostP->Mapping[unit].Flags & RTA16_SECOND_SLOT)) { + rio_dprintk(RIO_DEBUG_ROUTE, " Slot %d looks promising.\n", unit); + + if (unit == *pID1) { + rio_dprintk(RIO_DEBUG_ROUTE, " No it isn't, its the 1st half\n"); + continue; + } - /* - ** If the second ID is not needed then we can return - ** now. - */ - if (pID2 == NULL) - return 0; - } - else - { - /* - ** Allocate the second slot and return. - */ - rio_dprintk (RIO_DEBUG_ROUTE, "Grab tentative/empty entry for second unit %d\n", - unit); - *pID2 = unit; + /* + ** Slot is Tentative or Empty, but not a tentative second + ** slot of a 16 porter. + ** Attempt to free up this slot (and its parnter if + ** it is a 16 port slot. The second slot will become + ** empty after a call to RIOFreeDisconnected so thats why + ** we look for empty slots above as well). + */ + if (HostP->Mapping[unit].Flags != 0) + if (RIOFreeDisconnected(p, HostP, unit) != 0) + continue; + /* + ** If we haven't allocated the first ID then do it now. + */ + if (*pID1 == MAX_RUP) { + rio_dprintk(RIO_DEBUG_ROUTE, "Grab tentative entry for first unit %d\n", unit); + *pID1 = unit; - /* - ** Clear out this slot now that we intend to use it. - */ - bzero(&HostP->Mapping[unit], sizeof(struct Map)); - - /* At this point under the right(wrong?) conditions - ** we may have a first unit ID being higher than the - ** second unit ID. This is a bad idea if we are about - ** to fill the slots with a 16 port RTA. - ** Better check and swap them over. - */ - - if (*pID1 > *pID2) - { - rio_dprintk (RIO_DEBUG_ROUTE, "Swapping IDS %d %d\n", *pID1, *pID2); - tempID = *pID1; - *pID1 = *pID2; - *pID2 = tempID; + /* + ** Clear out this slot now that we intend to use it. + */ + bzero(&HostP->Mapping[unit], sizeof(struct Map)); + + /* + ** If the second ID is not needed then we can return + ** now. + */ + if (pID2 == NULL) + return 0; + } else { + /* + ** Allocate the second slot and return. + */ + rio_dprintk(RIO_DEBUG_ROUTE, "Grab tentative/empty entry for second unit %d\n", unit); + *pID2 = unit; + + /* + ** Clear out this slot now that we intend to use it. + */ + bzero(&HostP->Mapping[unit], sizeof(struct Map)); + + /* At this point under the right(wrong?) conditions + ** we may have a first unit ID being higher than the + ** second unit ID. This is a bad idea if we are about + ** to fill the slots with a 16 port RTA. + ** Better check and swap them over. + */ + + if (*pID1 > *pID2) { + rio_dprintk(RIO_DEBUG_ROUTE, "Swapping IDS %d %d\n", *pID1, *pID2); + tempID = *pID1; + *pID1 = *pID2; + *pID2 = tempID; + } + return 0; + } } - return 0; - } } - } - /* - ** If we manage to get to the end of the second loop then we - ** can give up and return a failure. - */ - return 1; + /* + ** If we manage to get to the end of the second loop then we + ** can give up and return a failure. + */ + return 1; } diff --git a/drivers/char/rio/riospace.h b/drivers/char/rio/riospace.h index 32b09b0f23a..534f1f5b9f5 100644 --- a/drivers/char/rio/riospace.h +++ b/drivers/char/rio/riospace.h @@ -47,9 +47,8 @@ static char *_riospace_h_sccs_ = "@(#)riospace.h 1.2"; ** In particular, it won't be able to see changes to RIO_SLOTS */ -struct Conf -{ - char Locator[24]; +struct Conf { + char Locator[24]; unsigned int StartupTime; unsigned int SlowCook; unsigned int IntrPollTime; @@ -59,8 +58,8 @@ struct Conf unsigned int HostLoadBase; unsigned int XpHz; unsigned int XpCps; - char *XpOn; - char *XpOff; + char *XpOn; + char *XpOff; unsigned int MaxXpCps; unsigned int MinXpCps; unsigned int SpinCmds; @@ -74,7 +73,7 @@ struct Conf /* ** Board types - these MUST correspond to product codes! -*/ +*/ #define RIO_EMPTY 0x0 #define RIO_EISA 0x3 #define RIO_RTA_16 0x9 @@ -86,18 +85,16 @@ struct Conf /* ** Board data structure. This is used for configuration info */ -struct Brd -{ - unsigned char Type; /* RIO_EISA, RIO_MCA, RIO_AT, RIO_EMPTY... */ - unsigned char Ivec; /* POLLED or ivec number */ - unsigned char Mode; /* Control stuff, see below */ +struct Brd { + unsigned char Type; /* RIO_EISA, RIO_MCA, RIO_AT, RIO_EMPTY... */ + unsigned char Ivec; /* POLLED or ivec number */ + unsigned char Mode; /* Control stuff, see below */ }; -struct Board -{ - char Locator[RIO_LOCATOR_LEN]; - int NumSlots; - struct Brd Boards[MAX_RIO_BOARDS]; +struct Board { + char Locator[RIO_LOCATOR_LEN]; + int NumSlots; + struct Brd Boards[MAX_RIO_BOARDS]; }; #define BOOT_FROM_LINK 0x00 @@ -158,4 +155,4 @@ struct Board #define DBG_ALWAYS 0x80000000 -#endif /* __rio_riospace_h__ */ +#endif /* __rio_riospace_h__ */ diff --git a/drivers/char/rio/riotable.c b/drivers/char/rio/riotable.c index e45bc275907..a86b216ab65 100644 --- a/drivers/char/rio/riotable.c +++ b/drivers/char/rio/riotable.c @@ -91,9 +91,8 @@ static char *_riotable_c_sccs_ = "@(#)riotable.c 1.2"; ** A configuration table has been loaded. It is now up to us ** to sort it out and use the information contained therein. */ -int -RIONewTable(p) -struct rio_info * p; +int RIONewTable(p) +struct rio_info *p; { int Host, Host1, Host2, NameIsUnique, Entry, SubEnt; struct Map *MapP; @@ -103,26 +102,26 @@ struct rio_info * p; char *cptr; /* - ** We have been sent a new table to install. We need to break - ** it down into little bits and spread it around a bit to see - ** what we have got. - */ + ** We have been sent a new table to install. We need to break + ** it down into little bits and spread it around a bit to see + ** what we have got. + */ /* - ** Things to check: - ** (things marked 'xx' aren't checked any more!) - ** (1) That there are no booted Hosts/RTAs out there. - ** (2) That the names are properly formed - ** (3) That blank entries really are. - ** xx (4) That hosts mentioned in the table actually exist. xx - ** (5) That the IDs are unique (per host). - ** (6) That host IDs are zero - ** (7) That port numbers are valid - ** (8) That port numbers aren't duplicated - ** (9) That names aren't duplicated - ** xx (10) That hosts that actually exist are mentioned in the table. xx - */ - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(1)\n"); - if ( p->RIOSystemUp ) { /* (1) */ + ** Things to check: + ** (things marked 'xx' aren't checked any more!) + ** (1) That there are no booted Hosts/RTAs out there. + ** (2) That the names are properly formed + ** (3) That blank entries really are. + ** xx (4) That hosts mentioned in the table actually exist. xx + ** (5) That the IDs are unique (per host). + ** (6) That host IDs are zero + ** (7) That port numbers are valid + ** (8) That port numbers aren't duplicated + ** (9) That names aren't duplicated + ** xx (10) That hosts that actually exist are mentioned in the table. xx + */ + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(1)\n"); + if (p->RIOSystemUp) { /* (1) */ p->RIOError.Error = HOST_HAS_ALREADY_BEEN_BOOTED; return -EBUSY; } @@ -131,19 +130,19 @@ struct rio_info * p; p->RIOError.Entry = -1; p->RIOError.Other = -1; - for ( Entry=0; Entry<TOTAL_MAP_ENTRIES; Entry++ ) { + for (Entry = 0; Entry < TOTAL_MAP_ENTRIES; Entry++) { MapP = &p->RIOConnectTable[Entry]; if ((MapP->Flags & RTA16_SECOND_SLOT) == 0) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(2)\n"); - cptr = MapP->Name; /* (2) */ - cptr[MAX_NAME_LEN-1]='\0'; - if ( cptr[0]=='\0' ) { - bcopy(MapP->RtaUniqueNum?"RTA NN":"HOST NN",MapP->Name,8); - MapP->Name[5] = '0'+Entry/10; - MapP->Name[6] = '0'+Entry%10; + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(2)\n"); + cptr = MapP->Name; /* (2) */ + cptr[MAX_NAME_LEN - 1] = '\0'; + if (cptr[0] == '\0') { + bcopy(MapP->RtaUniqueNum ? "RTA NN" : "HOST NN", MapP->Name, 8); + MapP->Name[5] = '0' + Entry / 10; + MapP->Name[6] = '0' + Entry % 10; } - while ( *cptr ) { - if ( *cptr<' ' || *cptr>'~' ) { + while (*cptr) { + if (*cptr < ' ' || *cptr > '~') { p->RIOError.Error = BAD_CHARACTER_IN_NAME; p->RIOError.Entry = Entry; return -ENXIO; @@ -153,133 +152,119 @@ struct rio_info * p; } /* - ** If the entry saved was a tentative entry then just forget - ** about it. - */ - if ( MapP->Flags & SLOT_TENTATIVE ) { + ** If the entry saved was a tentative entry then just forget + ** about it. + */ + if (MapP->Flags & SLOT_TENTATIVE) { MapP->HostUniqueNum = 0; MapP->RtaUniqueNum = 0; continue; } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(3)\n"); - if ( !MapP->RtaUniqueNum && !MapP->HostUniqueNum ) { /* (3) */ - if ( MapP->ID || MapP->SysPort || MapP->Flags ) { - rio_dprintk (RIO_DEBUG_TABLE, "%s pretending to be empty but isn't\n",MapP->Name); + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(3)\n"); + if (!MapP->RtaUniqueNum && !MapP->HostUniqueNum) { /* (3) */ + if (MapP->ID || MapP->SysPort || MapP->Flags) { + rio_dprintk(RIO_DEBUG_TABLE, "%s pretending to be empty but isn't\n", MapP->Name); p->RIOError.Error = TABLE_ENTRY_ISNT_PROPERLY_NULL; p->RIOError.Entry = Entry; return -ENXIO; } - rio_dprintk (RIO_DEBUG_TABLE, "!RIO: Daemon: test (3) passes\n"); + rio_dprintk(RIO_DEBUG_TABLE, "!RIO: Daemon: test (3) passes\n"); continue; } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(4)\n"); - for ( Host=0; Host<p->RIONumHosts; Host++ ) { /* (4) */ - if ( p->RIOHosts[Host].UniqueNum==MapP->HostUniqueNum ) { + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(4)\n"); + for (Host = 0; Host < p->RIONumHosts; Host++) { /* (4) */ + if (p->RIOHosts[Host].UniqueNum == MapP->HostUniqueNum) { HostP = &p->RIOHosts[Host]; /* - ** having done the lookup, we don't really want to do - ** it again, so hang the host number in a safe place - */ + ** having done the lookup, we don't really want to do + ** it again, so hang the host number in a safe place + */ MapP->Topology[0].Unit = Host; break; } } - if ( Host >= p->RIONumHosts ) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has unknown host unique number 0x%x\n", - MapP->Name, MapP->HostUniqueNum); + if (Host >= p->RIONumHosts) { + rio_dprintk(RIO_DEBUG_TABLE, "RTA %s has unknown host unique number 0x%x\n", MapP->Name, MapP->HostUniqueNum); MapP->HostUniqueNum = 0; - /* MapP->RtaUniqueNum = 0; */ - /* MapP->ID = 0; */ - /* MapP->Flags = 0; */ - /* MapP->SysPort = 0; */ - /* MapP->Name[0] = 0; */ + /* MapP->RtaUniqueNum = 0; */ + /* MapP->ID = 0; */ + /* MapP->Flags = 0; */ + /* MapP->SysPort = 0; */ + /* MapP->Name[0] = 0; */ continue; } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(5)\n"); - if ( MapP->RtaUniqueNum ) { /* (5) */ - if ( !MapP->ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an ID of zero!\n", - MapP->Name); - p->RIOError.Error = ZERO_RTA_ID; + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(5)\n"); + if (MapP->RtaUniqueNum) { /* (5) */ + if (!MapP->ID) { + rio_dprintk(RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an ID of zero!\n", MapP->Name); + p->RIOError.Error = ZERO_RTA_ID; p->RIOError.Entry = Entry; return -ENXIO; } - if ( MapP->ID > MAX_RUP ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an invalid ID %d\n", - MapP->Name, MapP->ID); + if (MapP->ID > MAX_RUP) { + rio_dprintk(RIO_DEBUG_TABLE, "RIO: RTA %s has been allocated an invalid ID %d\n", MapP->Name, MapP->ID); p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; p->RIOError.Entry = Entry; return -ENXIO; } - for ( SubEnt=0; SubEnt<Entry; SubEnt++ ) { - if ( MapP->HostUniqueNum == - p->RIOConnectTable[SubEnt].HostUniqueNum && - MapP->ID == p->RIOConnectTable[SubEnt].ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "Dupl. ID number allocated to RTA %s and RTA %s\n", - MapP->Name, p->RIOConnectTable[SubEnt].Name); + for (SubEnt = 0; SubEnt < Entry; SubEnt++) { + if (MapP->HostUniqueNum == p->RIOConnectTable[SubEnt].HostUniqueNum && MapP->ID == p->RIOConnectTable[SubEnt].ID) { + rio_dprintk(RIO_DEBUG_TABLE, "Dupl. ID number allocated to RTA %s and RTA %s\n", MapP->Name, p->RIOConnectTable[SubEnt].Name); p->RIOError.Error = DUPLICATED_RTA_ID; p->RIOError.Entry = Entry; p->RIOError.Other = SubEnt; return -ENXIO; } /* - ** If the RtaUniqueNum is the same, it may be looking at both - ** entries for a 16 port RTA, so check the ids - */ - if ((MapP->RtaUniqueNum == - p->RIOConnectTable[SubEnt].RtaUniqueNum) - && (MapP->ID2 != p->RIOConnectTable[SubEnt].ID)) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n",MapP->Name); - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n", - p->RIOConnectTable[SubEnt].Name); + ** If the RtaUniqueNum is the same, it may be looking at both + ** entries for a 16 port RTA, so check the ids + */ + if ((MapP->RtaUniqueNum == p->RIOConnectTable[SubEnt].RtaUniqueNum) + && (MapP->ID2 != p->RIOConnectTable[SubEnt].ID)) { + rio_dprintk(RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n", MapP->Name); + rio_dprintk(RIO_DEBUG_TABLE, "RTA %s has duplicate unique number\n", p->RIOConnectTable[SubEnt].Name); p->RIOError.Error = DUPLICATE_UNIQUE_NUMBER; p->RIOError.Entry = Entry; p->RIOError.Other = SubEnt; return -ENXIO; } } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(7a)\n"); + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(7a)\n"); /* (7a) */ - if ((MapP->SysPort != NO_PORT)&&(MapP->SysPort % PORTS_PER_RTA)) { - rio_dprintk (RIO_DEBUG_TABLE, "TTY Port number %d-RTA %s is not a multiple of %d!\n", - (int)MapP->SysPort,MapP->Name, PORTS_PER_RTA); + if ((MapP->SysPort != NO_PORT) && (MapP->SysPort % PORTS_PER_RTA)) { + rio_dprintk(RIO_DEBUG_TABLE, "TTY Port number %d-RTA %s is not a multiple of %d!\n", (int) MapP->SysPort, MapP->Name, PORTS_PER_RTA); p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; p->RIOError.Entry = Entry; return -ENXIO; } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(7b)\n"); + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(7b)\n"); /* (7b) */ - if ((MapP->SysPort != NO_PORT)&&(MapP->SysPort >= RIO_PORTS)) { - rio_dprintk (RIO_DEBUG_TABLE, "TTY Port number %d for RTA %s is too big\n", - (int)MapP->SysPort, MapP->Name); + if ((MapP->SysPort != NO_PORT) && (MapP->SysPort >= RIO_PORTS)) { + rio_dprintk(RIO_DEBUG_TABLE, "TTY Port number %d for RTA %s is too big\n", (int) MapP->SysPort, MapP->Name); p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; p->RIOError.Entry = Entry; return -ENXIO; } - for ( SubEnt=0; SubEnt<Entry; SubEnt++ ) { - if ( p->RIOConnectTable[SubEnt].Flags & RTA16_SECOND_SLOT ) - continue; - if ( p->RIOConnectTable[SubEnt].RtaUniqueNum ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(8)\n"); + for (SubEnt = 0; SubEnt < Entry; SubEnt++) { + if (p->RIOConnectTable[SubEnt].Flags & RTA16_SECOND_SLOT) + continue; + if (p->RIOConnectTable[SubEnt].RtaUniqueNum) { + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(8)\n"); /* (8) */ - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort == - p->RIOConnectTable[SubEnt].SysPort) ) { - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s:same TTY port # as RTA %s (%d)\n", - MapP->Name, p->RIOConnectTable[SubEnt].Name, - (int)MapP->SysPort); + if ((MapP->SysPort != NO_PORT) && (MapP->SysPort == p->RIOConnectTable[SubEnt].SysPort)) { + rio_dprintk(RIO_DEBUG_TABLE, "RTA %s:same TTY port # as RTA %s (%d)\n", MapP->Name, p->RIOConnectTable[SubEnt].Name, (int) MapP->SysPort); p->RIOError.Error = TTY_NUMBER_IN_USE; p->RIOError.Entry = Entry; p->RIOError.Other = SubEnt; return -ENXIO; } - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(9)\n"); - if (strcmp(MapP->Name, - p->RIOConnectTable[SubEnt].Name)==0 && !(MapP->Flags & RTA16_SECOND_SLOT)) { /* (9) */ - rio_dprintk (RIO_DEBUG_TABLE, "RTA name %s used twice\n", MapP->Name); + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(9)\n"); + if (strcmp(MapP->Name, p->RIOConnectTable[SubEnt].Name) == 0 && !(MapP->Flags & RTA16_SECOND_SLOT)) { /* (9) */ + rio_dprintk(RIO_DEBUG_TABLE, "RTA name %s used twice\n", MapP->Name); p->RIOError.Error = NAME_USED_TWICE; p->RIOError.Entry = Entry; p->RIOError.Other = SubEnt; @@ -287,19 +272,16 @@ struct rio_info * p; } } } - } - else { /* (6) */ - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: entering(6)\n"); - if ( MapP->ID ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO:HOST %s has been allocated ID that isn't zero!\n", - MapP->Name); + } else { /* (6) */ + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: entering(6)\n"); + if (MapP->ID) { + rio_dprintk(RIO_DEBUG_TABLE, "RIO:HOST %s has been allocated ID that isn't zero!\n", MapP->Name); p->RIOError.Error = HOST_ID_NOT_ZERO; p->RIOError.Entry = Entry; return -ENXIO; } - if ( MapP->SysPort != NO_PORT ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIO: HOST %s has been allocated port numbers!\n", - MapP->Name); + if (MapP->SysPort != NO_PORT) { + rio_dprintk(RIO_DEBUG_TABLE, "RIO: HOST %s has been allocated port numbers!\n", MapP->Name); p->RIOError.Error = HOST_SYSPORT_BAD; p->RIOError.Entry = Entry; return -ENXIO; @@ -308,106 +290,101 @@ struct rio_info * p; } /* - ** wow! if we get here then it's a goody! - */ + ** wow! if we get here then it's a goody! + */ /* - ** Zero the (old) entries for each host... - */ - for ( Host=0; Host<RIO_HOSTS; Host++ ) { - for ( Entry=0; Entry<MAX_RUP; Entry++ ) { - bzero((caddr_t)&p->RIOHosts[Host].Mapping[Entry], - sizeof(struct Map)); + ** Zero the (old) entries for each host... + */ + for (Host = 0; Host < RIO_HOSTS; Host++) { + for (Entry = 0; Entry < MAX_RUP; Entry++) { + bzero((caddr_t) & p->RIOHosts[Host].Mapping[Entry], sizeof(struct Map)); } - bzero((caddr_t)&p->RIOHosts[Host].Name[0], - sizeof(p->RIOHosts[Host].Name) ); + bzero((caddr_t) & p->RIOHosts[Host].Name[0], sizeof(p->RIOHosts[Host].Name)); } /* - ** Copy in the new table entries - */ - for ( Entry=0; Entry< TOTAL_MAP_ENTRIES; Entry++ ) { - rio_dprintk (RIO_DEBUG_TABLE, "RIONewTable: Copy table for Host entry %d\n", Entry); + ** Copy in the new table entries + */ + for (Entry = 0; Entry < TOTAL_MAP_ENTRIES; Entry++) { + rio_dprintk(RIO_DEBUG_TABLE, "RIONewTable: Copy table for Host entry %d\n", Entry); MapP = &p->RIOConnectTable[Entry]; /* - ** Now, if it is an empty slot ignore it! - */ - if ( MapP->HostUniqueNum==0 ) + ** Now, if it is an empty slot ignore it! + */ + if (MapP->HostUniqueNum == 0) continue; /* - ** we saved the host number earlier, so grab it back - */ + ** we saved the host number earlier, so grab it back + */ HostP = &p->RIOHosts[MapP->Topology[0].Unit]; /* - ** If it is a host, then we only need to fill in the name field. - */ - if ( MapP->ID==0 ) { - rio_dprintk (RIO_DEBUG_TABLE, "Host entry found. Name %s\n", MapP->Name); - bcopy(MapP->Name,HostP->Name,MAX_NAME_LEN); + ** If it is a host, then we only need to fill in the name field. + */ + if (MapP->ID == 0) { + rio_dprintk(RIO_DEBUG_TABLE, "Host entry found. Name %s\n", MapP->Name); + bcopy(MapP->Name, HostP->Name, MAX_NAME_LEN); continue; } /* - ** Its an RTA entry, so fill in the host mapping entries for it - ** and the port mapping entries. Notice that entry zero is for - ** ID one. - */ - HostMapP = &HostP->Mapping[MapP->ID-1]; + ** Its an RTA entry, so fill in the host mapping entries for it + ** and the port mapping entries. Notice that entry zero is for + ** ID one. + */ + HostMapP = &HostP->Mapping[MapP->ID - 1]; if (MapP->Flags & SLOT_IN_USE) { - rio_dprintk (RIO_DEBUG_TABLE, "Rta entry found. Name %s\n", MapP->Name); + rio_dprintk(RIO_DEBUG_TABLE, "Rta entry found. Name %s\n", MapP->Name); /* - ** structure assign, then sort out the bits we shouldn't have done - */ + ** structure assign, then sort out the bits we shouldn't have done + */ *HostMapP = *MapP; HostMapP->Flags = SLOT_IN_USE; if (MapP->Flags & RTA16_SECOND_SLOT) HostMapP->Flags |= RTA16_SECOND_SLOT; - RIOReMapPorts(p, HostP, HostMapP ); - } - else { - rio_dprintk (RIO_DEBUG_TABLE, "TENTATIVE Rta entry found. Name %s\n", MapP->Name); + RIOReMapPorts(p, HostP, HostMapP); + } else { + rio_dprintk(RIO_DEBUG_TABLE, "TENTATIVE Rta entry found. Name %s\n", MapP->Name); } } - for ( Entry=0; Entry< TOTAL_MAP_ENTRIES; Entry++ ) { + for (Entry = 0; Entry < TOTAL_MAP_ENTRIES; Entry++) { p->RIOSavedTable[Entry] = p->RIOConnectTable[Entry]; } - for ( Host=0; Host<p->RIONumHosts; Host++ ) { - for ( SubEnt=0; SubEnt<LINKS_PER_UNIT; SubEnt++ ) { + for (Host = 0; Host < p->RIONumHosts; Host++) { + for (SubEnt = 0; SubEnt < LINKS_PER_UNIT; SubEnt++) { p->RIOHosts[Host].Topology[SubEnt].Unit = ROUTE_DISCONNECT; p->RIOHosts[Host].Topology[SubEnt].Link = NO_LINK; } - for ( Entry=0; Entry<MAX_RUP; Entry++ ) { - for ( SubEnt=0; SubEnt<LINKS_PER_UNIT; SubEnt++ ) { - p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Unit = - ROUTE_DISCONNECT; - p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Link = - NO_LINK; + for (Entry = 0; Entry < MAX_RUP; Entry++) { + for (SubEnt = 0; SubEnt < LINKS_PER_UNIT; SubEnt++) { + p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Unit = ROUTE_DISCONNECT; + p->RIOHosts[Host].Mapping[Entry].Topology[SubEnt].Link = NO_LINK; } } - if ( !p->RIOHosts[Host].Name[0] ) { - bcopy("HOST 1",p->RIOHosts[Host].Name,7); + if (!p->RIOHosts[Host].Name[0]) { + bcopy("HOST 1", p->RIOHosts[Host].Name, 7); p->RIOHosts[Host].Name[5] += Host; } /* - ** Check that default name assigned is unique. - */ + ** Check that default name assigned is unique. + */ Host1 = Host; NameIsUnique = 0; while (!NameIsUnique) { NameIsUnique = 1; - for ( Host2=0; Host2<p->RIONumHosts; Host2++ ) { + for (Host2 = 0; Host2 < p->RIONumHosts; Host2++) { if (Host2 == Host) continue; if (strcmp(p->RIOHosts[Host].Name, p->RIOHosts[Host2].Name) - == 0) { + == 0) { NameIsUnique = 0; Host1++; if (Host1 >= p->RIONumHosts) @@ -417,15 +394,14 @@ struct rio_info * p; } } /* - ** Rename host if name already used. - */ - if (Host1 != Host) - { - rio_dprintk (RIO_DEBUG_TABLE, "Default name %s already used\n", p->RIOHosts[Host].Name); - bcopy("HOST 1",p->RIOHosts[Host].Name,7); + ** Rename host if name already used. + */ + if (Host1 != Host) { + rio_dprintk(RIO_DEBUG_TABLE, "Default name %s already used\n", p->RIOHosts[Host].Name); + bcopy("HOST 1", p->RIOHosts[Host].Name, 7); p->RIOHosts[Host].Name[5] += Host1; } - rio_dprintk (RIO_DEBUG_TABLE, "Assigning default name %s\n", p->RIOHosts[Host].Name); + rio_dprintk(RIO_DEBUG_TABLE, "Assigning default name %s\n", p->RIOHosts[Host].Name); } return 0; } @@ -434,9 +410,8 @@ struct rio_info * p; ** User process needs the config table - build it from first ** principles. */ -int -RIOApel(p) -struct rio_info * p; +int RIOApel(p) +struct rio_info *p; { int Host; int link; @@ -446,35 +421,34 @@ struct rio_info * p; struct Host *HostP; long oldspl; - disable(oldspl); /* strange but true! */ - - rio_dprintk (RIO_DEBUG_TABLE, "Generating a table to return to config.rio\n"); + disable(oldspl); /* strange but true! */ + + rio_dprintk(RIO_DEBUG_TABLE, "Generating a table to return to config.rio\n"); - bzero((caddr_t)&p->RIOConnectTable[0], - sizeof(struct Map) * TOTAL_MAP_ENTRIES ); + bzero((caddr_t) & p->RIOConnectTable[0], sizeof(struct Map) * TOTAL_MAP_ENTRIES); - for ( Host=0; Host<RIO_HOSTS; Host++ ) { - rio_dprintk (RIO_DEBUG_TABLE, "Processing host %d\n", Host); + for (Host = 0; Host < RIO_HOSTS; Host++) { + rio_dprintk(RIO_DEBUG_TABLE, "Processing host %d\n", Host); HostP = &p->RIOHosts[Host]; MapP = &p->RIOConnectTable[Next++]; MapP->HostUniqueNum = HostP->UniqueNum; - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) continue; MapP->RtaUniqueNum = 0; MapP->ID = 0; MapP->Flags = SLOT_IN_USE; MapP->SysPort = NO_PORT; - for ( link=0; link<LINKS_PER_UNIT; link++ ) + for (link = 0; link < LINKS_PER_UNIT; link++) MapP->Topology[link] = HostP->Topology[link]; - bcopy(HostP->Name,MapP->Name,MAX_NAME_LEN); - for ( Rup=0; Rup<MAX_RUP; Rup++ ) { - if ( HostP->Mapping[Rup].Flags & (SLOT_IN_USE|SLOT_TENTATIVE) ) { + bcopy(HostP->Name, MapP->Name, MAX_NAME_LEN); + for (Rup = 0; Rup < MAX_RUP; Rup++) { + if (HostP->Mapping[Rup].Flags & (SLOT_IN_USE | SLOT_TENTATIVE)) { p->RIOConnectTable[Next] = HostP->Mapping[Rup]; - if ( HostP->Mapping[Rup].Flags & SLOT_IN_USE) + if (HostP->Mapping[Rup].Flags & SLOT_IN_USE) p->RIOConnectTable[Next].Flags |= SLOT_IN_USE; - if ( HostP->Mapping[Rup].Flags & SLOT_TENTATIVE) + if (HostP->Mapping[Rup].Flags & SLOT_TENTATIVE) p->RIOConnectTable[Next].Flags |= SLOT_TENTATIVE; - if ( HostP->Mapping[Rup].Flags & RTA16_SECOND_SLOT ) + if (HostP->Mapping[Rup].Flags & RTA16_SECOND_SLOT) p->RIOConnectTable[Next].Flags |= RTA16_SECOND_SLOT; Next++; } @@ -489,8 +463,7 @@ struct rio_info * p; ** if the entry is suitably inactive, then we can gob on it and remove ** it from the table. */ -int -RIODeleteRta(p, MapP) +int RIODeleteRta(p, MapP) struct rio_info *p; struct Map *MapP; { @@ -502,110 +475,98 @@ struct Map *MapP; int work_done = 0; unsigned long lock_flags, sem_flags; - rio_dprintk (RIO_DEBUG_TABLE, "Delete entry on host %x, rta %x\n", - MapP->HostUniqueNum, MapP->RtaUniqueNum); + rio_dprintk(RIO_DEBUG_TABLE, "Delete entry on host %x, rta %x\n", MapP->HostUniqueNum, MapP->RtaUniqueNum); - for ( host=0; host < p->RIONumHosts; host++ ) { + for (host = 0; host < p->RIONumHosts; host++) { HostP = &p->RIOHosts[host]; - rio_spin_lock_irqsave( &HostP->HostLock, lock_flags ); + rio_spin_lock_irqsave(&HostP->HostLock, lock_flags); - if ( (HostP->Flags & RUN_STATE) != RC_RUNNING ) { + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { rio_spin_unlock_irqrestore(&HostP->HostLock, lock_flags); continue; } - for ( entry=0; entry<MAX_RUP; entry++ ) { - if ( MapP->RtaUniqueNum == HostP->Mapping[entry].RtaUniqueNum ) { + for (entry = 0; entry < MAX_RUP; entry++) { + if (MapP->RtaUniqueNum == HostP->Mapping[entry].RtaUniqueNum) { HostMapP = &HostP->Mapping[entry]; - rio_dprintk (RIO_DEBUG_TABLE, "Found entry offset %d on host %s\n", - entry, HostP->Name); + rio_dprintk(RIO_DEBUG_TABLE, "Found entry offset %d on host %s\n", entry, HostP->Name); /* - ** Check all four links of the unit are disconnected - */ - for ( link=0; link< LINKS_PER_UNIT; link++ ) { - if ( HostMapP->Topology[link].Unit != ROUTE_DISCONNECT ) { - rio_dprintk (RIO_DEBUG_TABLE, "Entry is in use and cannot be deleted!\n"); + ** Check all four links of the unit are disconnected + */ + for (link = 0; link < LINKS_PER_UNIT; link++) { + if (HostMapP->Topology[link].Unit != ROUTE_DISCONNECT) { + rio_dprintk(RIO_DEBUG_TABLE, "Entry is in use and cannot be deleted!\n"); p->RIOError.Error = UNIT_IS_IN_USE; - rio_spin_unlock_irqrestore( &HostP->HostLock, lock_flags); + rio_spin_unlock_irqrestore(&HostP->HostLock, lock_flags); return -EBUSY; } } /* - ** Slot has been allocated, BUT not booted/routed/ - ** connected/selected or anything else-ed - */ + ** Slot has been allocated, BUT not booted/routed/ + ** connected/selected or anything else-ed + */ SysPort = HostMapP->SysPort; - if ( SysPort != NO_PORT ) { - for (port=SysPort; port < SysPort+PORTS_PER_RTA; port++) { + if (SysPort != NO_PORT) { + for (port = SysPort; port < SysPort + PORTS_PER_RTA; port++) { PortP = p->RIOPortp[port]; - rio_dprintk (RIO_DEBUG_TABLE, "Unmap port\n"); + rio_dprintk(RIO_DEBUG_TABLE, "Unmap port\n"); - rio_spin_lock_irqsave( &PortP->portSem, sem_flags ); + rio_spin_lock_irqsave(&PortP->portSem, sem_flags); PortP->Mapped = 0; - if ( PortP->State & (RIO_MOPEN|RIO_LOPEN) ) { + if (PortP->State & (RIO_MOPEN | RIO_LOPEN)) { - rio_dprintk (RIO_DEBUG_TABLE, "Gob on port\n"); + rio_dprintk(RIO_DEBUG_TABLE, "Gob on port\n"); PortP->TxBufferIn = PortP->TxBufferOut = 0; /* What should I do - wakeup( &PortP->TxBufferIn ); - wakeup( &PortP->TxBufferOut); - */ + wakeup( &PortP->TxBufferIn ); + wakeup( &PortP->TxBufferOut); + */ PortP->InUse = NOT_INUSE; /* What should I do - wakeup( &PortP->InUse ); - signal(PortP->TtyP->t_pgrp,SIGKILL); - ttyflush(PortP->TtyP,(FREAD|FWRITE)); - */ + wakeup( &PortP->InUse ); + signal(PortP->TtyP->t_pgrp,SIGKILL); + ttyflush(PortP->TtyP,(FREAD|FWRITE)); + */ PortP->State |= RIO_CLOSING | RIO_DELETED; } /* - ** For the second slot of a 16 port RTA, the - ** driver needs to reset the changes made to - ** the phb to port mappings in RIORouteRup. - */ + ** For the second slot of a 16 port RTA, the + ** driver needs to reset the changes made to + ** the phb to port mappings in RIORouteRup. + */ if (PortP->SecondBlock) { ushort dest_unit = HostMapP->ID; ushort dest_port = port - SysPort; - WORD *TxPktP; - PKT *Pkt; + WORD *TxPktP; + PKT *Pkt; - for (TxPktP = PortP->TxStart; - TxPktP <= PortP->TxEnd; TxPktP++) { + for (TxPktP = PortP->TxStart; TxPktP <= PortP->TxEnd; TxPktP++) { /* - ** *TxPktP is the pointer to the - ** transmit packet on the host card. - ** This needs to be translated into - ** a 32 bit pointer so it can be - ** accessed from the driver. - */ - Pkt = (PKT *) RIO_PTR(HostP->Caddr, - RWORD(*TxPktP)); - rio_dprintk (RIO_DEBUG_TABLE, - "Tx packet (%x) destination: Old %x:%x New %x:%x\n", - *TxPktP, Pkt->dest_unit, - Pkt->dest_port, dest_unit, dest_port); + ** *TxPktP is the pointer to the + ** transmit packet on the host card. + ** This needs to be translated into + ** a 32 bit pointer so it can be + ** accessed from the driver. + */ + Pkt = (PKT *) RIO_PTR(HostP->Caddr, RWORD(*TxPktP)); + rio_dprintk(RIO_DEBUG_TABLE, "Tx packet (%x) destination: Old %x:%x New %x:%x\n", *TxPktP, Pkt->dest_unit, Pkt->dest_port, dest_unit, dest_port); WWORD(Pkt->dest_unit, dest_unit); WWORD(Pkt->dest_port, dest_port); } - rio_dprintk (RIO_DEBUG_TABLE, - "Port %d phb destination: Old %x:%x New %x:%x\n", - port, PortP->PhbP->destination & 0xff, - (PortP->PhbP->destination >> 8) & 0xff, - dest_unit, dest_port); - WWORD(PortP->PhbP->destination, - dest_unit + (dest_port << 8)); + rio_dprintk(RIO_DEBUG_TABLE, "Port %d phb destination: Old %x:%x New %x:%x\n", port, PortP->PhbP->destination & 0xff, (PortP->PhbP->destination >> 8) & 0xff, dest_unit, dest_port); + WWORD(PortP->PhbP->destination, dest_unit + (dest_port << 8)); } rio_spin_unlock_irqrestore(&PortP->portSem, sem_flags); } } - rio_dprintk (RIO_DEBUG_TABLE, "Entry nulled.\n"); - bzero((char *)HostMapP,sizeof(struct Map)); + rio_dprintk(RIO_DEBUG_TABLE, "Entry nulled.\n"); + bzero((char *) HostMapP, sizeof(struct Map)); work_done++; } } @@ -613,203 +574,178 @@ struct Map *MapP; } /* XXXXX lock me up */ - for ( entry=0; entry< TOTAL_MAP_ENTRIES; entry++ ) { - if ( p->RIOSavedTable[entry].RtaUniqueNum == MapP->RtaUniqueNum ) { - bzero((char *)&p->RIOSavedTable[entry],sizeof(struct Map)); + for (entry = 0; entry < TOTAL_MAP_ENTRIES; entry++) { + if (p->RIOSavedTable[entry].RtaUniqueNum == MapP->RtaUniqueNum) { + bzero((char *) &p->RIOSavedTable[entry], sizeof(struct Map)); work_done++; } - if ( p->RIOConnectTable[entry].RtaUniqueNum == MapP->RtaUniqueNum ) { - bzero((char *)&p->RIOConnectTable[entry],sizeof(struct Map)); + if (p->RIOConnectTable[entry].RtaUniqueNum == MapP->RtaUniqueNum) { + bzero((char *) &p->RIOConnectTable[entry], sizeof(struct Map)); work_done++; } } - if ( work_done ) + if (work_done) return 0; - rio_dprintk (RIO_DEBUG_TABLE, "Couldn't find entry to be deleted\n"); + rio_dprintk(RIO_DEBUG_TABLE, "Couldn't find entry to be deleted\n"); p->RIOError.Error = COULDNT_FIND_ENTRY; return -ENXIO; } -int RIOAssignRta( struct rio_info *p, struct Map *MapP ) +int RIOAssignRta(struct rio_info *p, struct Map *MapP) { - int host; - struct Map *HostMapP; - char *sptr; - int link; - - - rio_dprintk (RIO_DEBUG_TABLE, "Assign entry on host %x, rta %x, ID %d, Sysport %d\n", - MapP->HostUniqueNum,MapP->RtaUniqueNum, - MapP->ID, (int)MapP->SysPort); - - if ((MapP->ID != (ushort)-1) && - ((int)MapP->ID < (int)1 || (int)MapP->ID > MAX_RUP )) - { - rio_dprintk (RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); - p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - if (MapP->RtaUniqueNum == 0) - { - rio_dprintk (RIO_DEBUG_TABLE, "Rta Unique number zero!\n"); - p->RIOError.Error = RTA_UNIQUE_NUMBER_ZERO; - return -EINVAL; - } - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort % PORTS_PER_RTA) ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Port %d not multiple of %d!\n",(int)MapP->SysPort,PORTS_PER_RTA); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - if ( (MapP->SysPort != NO_PORT) && (MapP->SysPort >= RIO_PORTS) ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Port %d not valid!\n",(int)MapP->SysPort); - p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; - return -EINVAL; - } - - /* - ** Copy the name across to the map entry. - */ - MapP->Name[MAX_NAME_LEN-1] = '\0'; - sptr = MapP->Name; - while ( *sptr ) - { - if ( *sptr<' ' || *sptr>'~' ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); - p->RIOError.Error = BAD_CHARACTER_IN_NAME; - return -EINVAL; - } - sptr++; - } - - for ( host=0; host < p->RIONumHosts; host++ ) - { - if ( MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum ) - { - if ( (p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING ) - { - p->RIOError.Error = HOST_NOT_RUNNING; - return -ENXIO; - } - - /* - ** Now we have a host we need to allocate an ID - ** if the entry does not already have one. - */ - if (MapP->ID == (ushort)-1) - { - int nNewID; - - rio_dprintk (RIO_DEBUG_TABLE, "Attempting to get a new ID for rta \"%s\"\n", - MapP->Name); - /* - ** The idea here is to allow RTA's to be assigned - ** before they actually appear on the network. - ** This allows the addition of RTA's without having - ** to plug them in. - ** What we do is: - ** - Find a free ID and allocate it to the RTA. - ** - If this map entry is the second half of a - ** 16 port entry then find the other half and - ** make sure the 2 cross reference each other. - */ - if (RIOFindFreeID(p, &p->RIOHosts[host], &nNewID, NULL) != 0) - { - p->RIOError.Error = COULDNT_FIND_ENTRY; - return -EBUSY; - } - MapP->ID = (ushort)nNewID + 1; - rio_dprintk (RIO_DEBUG_TABLE, "Allocated ID %d for this new RTA.\n", MapP->ID); - HostMapP = &p->RIOHosts[host].Mapping[nNewID]; - HostMapP->RtaUniqueNum = MapP->RtaUniqueNum; - HostMapP->HostUniqueNum = MapP->HostUniqueNum; - HostMapP->ID = MapP->ID; - for (link = 0; link < LINKS_PER_UNIT; link++) - { - HostMapP->Topology[link].Unit = ROUTE_DISCONNECT; - HostMapP->Topology[link].Link = NO_LINK; - } - if (MapP->Flags & RTA16_SECOND_SLOT) - { - int unit; - - for (unit = 0; unit < MAX_RUP; unit++) - if (p->RIOHosts[host].Mapping[unit].RtaUniqueNum == - MapP->RtaUniqueNum) - break; - if (unit == MAX_RUP) - { - p->RIOError.Error = COULDNT_FIND_ENTRY; - return -EBUSY; - } - HostMapP->Flags |= RTA16_SECOND_SLOT; - HostMapP->ID2 = MapP->ID2 = p->RIOHosts[host].Mapping[unit].ID; - p->RIOHosts[host].Mapping[unit].ID2 = MapP->ID; - rio_dprintk (RIO_DEBUG_TABLE, "Cross referenced id %d to ID %d.\n", - MapP->ID, - p->RIOHosts[host].Mapping[unit].ID); + int host; + struct Map *HostMapP; + char *sptr; + int link; + + + rio_dprintk(RIO_DEBUG_TABLE, "Assign entry on host %x, rta %x, ID %d, Sysport %d\n", MapP->HostUniqueNum, MapP->RtaUniqueNum, MapP->ID, (int) MapP->SysPort); + + if ((MapP->ID != (ushort) - 1) && ((int) MapP->ID < (int) 1 || (int) MapP->ID > MAX_RUP)) { + rio_dprintk(RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); + p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + if (MapP->RtaUniqueNum == 0) { + rio_dprintk(RIO_DEBUG_TABLE, "Rta Unique number zero!\n"); + p->RIOError.Error = RTA_UNIQUE_NUMBER_ZERO; + return -EINVAL; + } + if ((MapP->SysPort != NO_PORT) && (MapP->SysPort % PORTS_PER_RTA)) { + rio_dprintk(RIO_DEBUG_TABLE, "Port %d not multiple of %d!\n", (int) MapP->SysPort, PORTS_PER_RTA); + p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + if ((MapP->SysPort != NO_PORT) && (MapP->SysPort >= RIO_PORTS)) { + rio_dprintk(RIO_DEBUG_TABLE, "Port %d not valid!\n", (int) MapP->SysPort); + p->RIOError.Error = TTY_NUMBER_OUT_OF_RANGE; + return -EINVAL; + } + + /* + ** Copy the name across to the map entry. + */ + MapP->Name[MAX_NAME_LEN - 1] = '\0'; + sptr = MapP->Name; + while (*sptr) { + if (*sptr < ' ' || *sptr > '~') { + rio_dprintk(RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); + p->RIOError.Error = BAD_CHARACTER_IN_NAME; + return -EINVAL; } - } + sptr++; + } - HostMapP = &p->RIOHosts[host].Mapping[MapP->ID-1]; + for (host = 0; host < p->RIONumHosts; host++) { + if (MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum) { + if ((p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING) { + p->RIOError.Error = HOST_NOT_RUNNING; + return -ENXIO; + } - if ( HostMapP->Flags & SLOT_IN_USE ) - { - rio_dprintk (RIO_DEBUG_TABLE, "Map table slot for ID %d is already in use.\n", MapP->ID); - p->RIOError.Error = ID_ALREADY_IN_USE; - return -EBUSY; - } - - /* - ** Assign the sys ports and the name, and mark the slot as - ** being in use. - */ - HostMapP->SysPort = MapP->SysPort; - if ((MapP->Flags & RTA16_SECOND_SLOT) == 0) - CCOPY( MapP->Name, HostMapP->Name, MAX_NAME_LEN ); - HostMapP->Flags = SLOT_IN_USE | RTA_BOOTED; + /* + ** Now we have a host we need to allocate an ID + ** if the entry does not already have one. + */ + if (MapP->ID == (ushort) - 1) { + int nNewID; + + rio_dprintk(RIO_DEBUG_TABLE, "Attempting to get a new ID for rta \"%s\"\n", MapP->Name); + /* + ** The idea here is to allow RTA's to be assigned + ** before they actually appear on the network. + ** This allows the addition of RTA's without having + ** to plug them in. + ** What we do is: + ** - Find a free ID and allocate it to the RTA. + ** - If this map entry is the second half of a + ** 16 port entry then find the other half and + ** make sure the 2 cross reference each other. + */ + if (RIOFindFreeID(p, &p->RIOHosts[host], &nNewID, NULL) != 0) { + p->RIOError.Error = COULDNT_FIND_ENTRY; + return -EBUSY; + } + MapP->ID = (ushort) nNewID + 1; + rio_dprintk(RIO_DEBUG_TABLE, "Allocated ID %d for this new RTA.\n", MapP->ID); + HostMapP = &p->RIOHosts[host].Mapping[nNewID]; + HostMapP->RtaUniqueNum = MapP->RtaUniqueNum; + HostMapP->HostUniqueNum = MapP->HostUniqueNum; + HostMapP->ID = MapP->ID; + for (link = 0; link < LINKS_PER_UNIT; link++) { + HostMapP->Topology[link].Unit = ROUTE_DISCONNECT; + HostMapP->Topology[link].Link = NO_LINK; + } + if (MapP->Flags & RTA16_SECOND_SLOT) { + int unit; + + for (unit = 0; unit < MAX_RUP; unit++) + if (p->RIOHosts[host].Mapping[unit].RtaUniqueNum == MapP->RtaUniqueNum) + break; + if (unit == MAX_RUP) { + p->RIOError.Error = COULDNT_FIND_ENTRY; + return -EBUSY; + } + HostMapP->Flags |= RTA16_SECOND_SLOT; + HostMapP->ID2 = MapP->ID2 = p->RIOHosts[host].Mapping[unit].ID; + p->RIOHosts[host].Mapping[unit].ID2 = MapP->ID; + rio_dprintk(RIO_DEBUG_TABLE, "Cross referenced id %d to ID %d.\n", MapP->ID, p->RIOHosts[host].Mapping[unit].ID); + } + } + + HostMapP = &p->RIOHosts[host].Mapping[MapP->ID - 1]; + + if (HostMapP->Flags & SLOT_IN_USE) { + rio_dprintk(RIO_DEBUG_TABLE, "Map table slot for ID %d is already in use.\n", MapP->ID); + p->RIOError.Error = ID_ALREADY_IN_USE; + return -EBUSY; + } + + /* + ** Assign the sys ports and the name, and mark the slot as + ** being in use. + */ + HostMapP->SysPort = MapP->SysPort; + if ((MapP->Flags & RTA16_SECOND_SLOT) == 0) + CCOPY(MapP->Name, HostMapP->Name, MAX_NAME_LEN); + HostMapP->Flags = SLOT_IN_USE | RTA_BOOTED; #ifdef NEED_TO_FIX - RIO_SV_BROADCAST(p->RIOHosts[host].svFlags[MapP->ID-1]); + RIO_SV_BROADCAST(p->RIOHosts[host].svFlags[MapP->ID - 1]); #endif - if (MapP->Flags & RTA16_SECOND_SLOT) - HostMapP->Flags |= RTA16_SECOND_SLOT; - - RIOReMapPorts( p, &p->RIOHosts[host], HostMapP ); - /* - ** Adjust 2nd block of 8 phbs - */ - if (MapP->Flags & RTA16_SECOND_SLOT) - RIOFixPhbs(p, &p->RIOHosts[host], HostMapP->ID - 1); - - if ( HostMapP->SysPort != NO_PORT ) - { - if ( HostMapP->SysPort < p->RIOFirstPortsBooted ) - p->RIOFirstPortsBooted = HostMapP->SysPort; - if ( HostMapP->SysPort > p->RIOLastPortsBooted ) - p->RIOLastPortsBooted = HostMapP->SysPort; - } - if (MapP->Flags & RTA16_SECOND_SLOT) - rio_dprintk (RIO_DEBUG_TABLE, "Second map of RTA %s added to configuration\n", - p->RIOHosts[host].Mapping[MapP->ID2 - 1].Name); - else - rio_dprintk (RIO_DEBUG_TABLE, "RTA %s added to configuration\n", MapP->Name); - return 0; + if (MapP->Flags & RTA16_SECOND_SLOT) + HostMapP->Flags |= RTA16_SECOND_SLOT; + + RIOReMapPorts(p, &p->RIOHosts[host], HostMapP); + /* + ** Adjust 2nd block of 8 phbs + */ + if (MapP->Flags & RTA16_SECOND_SLOT) + RIOFixPhbs(p, &p->RIOHosts[host], HostMapP->ID - 1); + + if (HostMapP->SysPort != NO_PORT) { + if (HostMapP->SysPort < p->RIOFirstPortsBooted) + p->RIOFirstPortsBooted = HostMapP->SysPort; + if (HostMapP->SysPort > p->RIOLastPortsBooted) + p->RIOLastPortsBooted = HostMapP->SysPort; + } + if (MapP->Flags & RTA16_SECOND_SLOT) + rio_dprintk(RIO_DEBUG_TABLE, "Second map of RTA %s added to configuration\n", p->RIOHosts[host].Mapping[MapP->ID2 - 1].Name); + else + rio_dprintk(RIO_DEBUG_TABLE, "RTA %s added to configuration\n", MapP->Name); + return 0; + } } - } - p->RIOError.Error = UNKNOWN_HOST_NUMBER; - rio_dprintk (RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); - return -ENXIO; + p->RIOError.Error = UNKNOWN_HOST_NUMBER; + rio_dprintk(RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); + return -ENXIO; } -int -RIOReMapPorts(p, HostP, HostMapP) -struct rio_info * p; +int RIOReMapPorts(p, HostP, HostMapP) +struct rio_info *p; struct Host *HostP; -struct Map *HostMapP; +struct Map *HostMapP; { register struct Port *PortP; uint SubEnt; @@ -818,136 +754,120 @@ struct Map *HostMapP; ushort RtaType; unsigned long flags; -#ifdef CHECK - CheckHostP( HostP ); - CheckHostMapP( HostMapP ); -#endif - - rio_dprintk (RIO_DEBUG_TABLE, "Mapping sysport %d to id %d\n", (int)HostMapP->SysPort, HostMapP->ID); + rio_dprintk(RIO_DEBUG_TABLE, "Mapping sysport %d to id %d\n", (int) HostMapP->SysPort, HostMapP->ID); /* - ** We need to tell the UnixRups which sysport the rup corresponds to - */ - HostP->UnixRups[HostMapP->ID-1].BaseSysPort = HostMapP->SysPort; + ** We need to tell the UnixRups which sysport the rup corresponds to + */ + HostP->UnixRups[HostMapP->ID - 1].BaseSysPort = HostMapP->SysPort; - if ( HostMapP->SysPort == NO_PORT ) - return(0); + if (HostMapP->SysPort == NO_PORT) + return (0); RtaType = GetUnitType(HostMapP->RtaUniqueNum); - rio_dprintk (RIO_DEBUG_TABLE, "Mapping sysport %d-%d\n", - (int)HostMapP->SysPort, (int)HostMapP->SysPort+PORTS_PER_RTA-1); + rio_dprintk(RIO_DEBUG_TABLE, "Mapping sysport %d-%d\n", (int) HostMapP->SysPort, (int) HostMapP->SysPort + PORTS_PER_RTA - 1); /* - ** now map each of its eight ports - */ - for ( SubEnt=0; SubEnt<PORTS_PER_RTA; SubEnt++) { - rio_dprintk (RIO_DEBUG_TABLE, "subent = %d, HostMapP->SysPort = %d\n", - SubEnt, (int)HostMapP->SysPort); - SysPort = HostMapP->SysPort+SubEnt; /* portnumber within system */ - /* portnumber on host */ - - HostPort = (HostMapP->ID-1)*PORTS_PER_RTA+SubEnt; - - rio_dprintk (RIO_DEBUG_TABLE, "c1 p = %p, p->rioPortp = %p\n", p, p->RIOPortp); + ** now map each of its eight ports + */ + for (SubEnt = 0; SubEnt < PORTS_PER_RTA; SubEnt++) { + rio_dprintk(RIO_DEBUG_TABLE, "subent = %d, HostMapP->SysPort = %d\n", SubEnt, (int) HostMapP->SysPort); + SysPort = HostMapP->SysPort + SubEnt; /* portnumber within system */ + /* portnumber on host */ + + HostPort = (HostMapP->ID - 1) * PORTS_PER_RTA + SubEnt; + + rio_dprintk(RIO_DEBUG_TABLE, "c1 p = %p, p->rioPortp = %p\n", p, p->RIOPortp); PortP = p->RIOPortp[SysPort]; -#if 0 - PortP->TtyP = &p->channel[SysPort]; -#endif - rio_dprintk (RIO_DEBUG_TABLE, "Map port\n"); + rio_dprintk(RIO_DEBUG_TABLE, "Map port\n"); /* - ** Point at all the real neat data structures - */ + ** Point at all the real neat data structures + */ rio_spin_lock_irqsave(&PortP->portSem, flags); PortP->HostP = HostP; PortP->Caddr = HostP->Caddr; /* - ** The PhbP cannot be filled in yet - ** unless the host has been booted - */ + ** The PhbP cannot be filled in yet + ** unless the host has been booted + */ if ((HostP->Flags & RUN_STATE) == RC_RUNNING) { struct PHB *PhbP = PortP->PhbP = &HostP->PhbP[HostPort]; - PortP->TxAdd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_add)); - PortP->TxStart =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_start)); - PortP->TxEnd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->tx_end)); - PortP->RxRemove=(WORD *)RIO_PTR(HostP->Caddr, - RWORD(PhbP->rx_remove)); - PortP->RxStart =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->rx_start)); - PortP->RxEnd =(WORD *)RIO_PTR(HostP->Caddr,RWORD(PhbP->rx_end)); - } - else + PortP->TxAdd = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->tx_add)); + PortP->TxStart = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->tx_start)); + PortP->TxEnd = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->tx_end)); + PortP->RxRemove = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->rx_remove)); + PortP->RxStart = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->rx_start)); + PortP->RxEnd = (WORD *) RIO_PTR(HostP->Caddr, RWORD(PhbP->rx_end)); + } else PortP->PhbP = NULL; /* - ** port related flags - */ - PortP->HostPort = HostPort; + ** port related flags + */ + PortP->HostPort = HostPort; /* - ** For each part of a 16 port RTA, RupNum is ID - 1. - */ + ** For each part of a 16 port RTA, RupNum is ID - 1. + */ PortP->RupNum = HostMapP->ID - 1; if (HostMapP->Flags & RTA16_SECOND_SLOT) { - PortP->ID2 = HostMapP->ID2 - 1; - PortP->SecondBlock = TRUE; - } - else { - PortP->ID2 = 0; - PortP->SecondBlock = FALSE; + PortP->ID2 = HostMapP->ID2 - 1; + PortP->SecondBlock = TRUE; + } else { + PortP->ID2 = 0; + PortP->SecondBlock = FALSE; } - PortP->RtaUniqueNum = HostMapP->RtaUniqueNum; + PortP->RtaUniqueNum = HostMapP->RtaUniqueNum; /* - ** If the port was already mapped then thats all we need to do. - */ + ** If the port was already mapped then thats all we need to do. + */ if (PortP->Mapped) { - rio_spin_unlock_irqrestore( &PortP->portSem, flags); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); continue; - } - else HostMapP->Flags &= ~RTA_NEWBOOT; + } else + HostMapP->Flags &= ~RTA_NEWBOOT; - PortP->State = 0; - PortP->Config = 0; + PortP->State = 0; + PortP->Config = 0; /* - ** Check out the module type - if it is special (read only etc.) - ** then we need to set flags in the PortP->Config. - ** Note: For 16 port RTA, all ports are of the same type. - */ + ** Check out the module type - if it is special (read only etc.) + ** then we need to set flags in the PortP->Config. + ** Note: For 16 port RTA, all ports are of the same type. + */ if (RtaType == TYPE_RTA16) { - PortP->Config |= p->RIOModuleTypes[HostP->UnixRups - [HostMapP->ID-1].ModTypes].Flags[SubEnt % PORTS_PER_MODULE]; + PortP->Config |= p->RIOModuleTypes[HostP->UnixRups[HostMapP->ID - 1].ModTypes].Flags[SubEnt % PORTS_PER_MODULE]; } else { - if ( SubEnt < PORTS_PER_MODULE ) - PortP->Config |= p->RIOModuleTypes[LONYBLE(HostP->UnixRups - [HostMapP->ID-1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; + if (SubEnt < PORTS_PER_MODULE) + PortP->Config |= p->RIOModuleTypes[LONYBLE(HostP->UnixRups[HostMapP->ID - 1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; else - PortP->Config |= p->RIOModuleTypes[HINYBLE(HostP->UnixRups - [HostMapP->ID-1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; + PortP->Config |= p->RIOModuleTypes[HINYBLE(HostP->UnixRups[HostMapP->ID - 1].ModTypes)].Flags[SubEnt % PORTS_PER_MODULE]; } /* - ** more port related flags - */ - PortP->PortState = 0; - PortP->ModemLines = 0; - PortP->ModemState = 0; - PortP->CookMode = COOK_WELL; - PortP->ParamSem = 0; - PortP->FlushCmdBodge= 0; - PortP->WflushFlag = 0; - PortP->MagicFlags = 0; - PortP->Lock = 0; - PortP->Store = 0; - PortP->FirstOpen = 1; + ** more port related flags + */ + PortP->PortState = 0; + PortP->ModemLines = 0; + PortP->ModemState = 0; + PortP->CookMode = COOK_WELL; + PortP->ParamSem = 0; + PortP->FlushCmdBodge = 0; + PortP->WflushFlag = 0; + PortP->MagicFlags = 0; + PortP->Lock = 0; + PortP->Store = 0; + PortP->FirstOpen = 1; /* - ** Buffers 'n things - */ - PortP->RxDataStart = 0; - PortP->Cor2Copy = 0; - PortP->Name = &HostMapP->Name[0]; + ** Buffers 'n things + */ + PortP->RxDataStart = 0; + PortP->Cor2Copy = 0; + PortP->Name = &HostMapP->Name[0]; #ifdef STATS - bzero( (caddr_t)&PortP->Stat, sizeof(struct RIOStats) ); + bzero((caddr_t) & PortP->Stat, sizeof(struct RIOStats)); #endif PortP->statsGather = 0; PortP->txchars = 0; @@ -955,90 +875,87 @@ struct Map *HostMapP; PortP->opens = 0; PortP->closes = 0; PortP->ioctls = 0; - if ( PortP->TxRingBuffer ) - bzero( PortP->TxRingBuffer, p->RIOBufferSize ); - else if ( p->RIOBufferSize ) { + if (PortP->TxRingBuffer) + bzero(PortP->TxRingBuffer, p->RIOBufferSize); + else if (p->RIOBufferSize) { PortP->TxRingBuffer = sysbrk(p->RIOBufferSize); - bzero( PortP->TxRingBuffer, p->RIOBufferSize ); + bzero(PortP->TxRingBuffer, p->RIOBufferSize); } - PortP->TxBufferOut = 0; - PortP->TxBufferIn = 0; - PortP->Debug = 0; + PortP->TxBufferOut = 0; + PortP->TxBufferIn = 0; + PortP->Debug = 0; /* - ** LastRxTgl stores the state of the rx toggle bit for this - ** port, to be compared with the state of the next pkt received. - ** If the same, we have received the same rx pkt from the RTA - ** twice. Initialise to a value not equal to PHB_RX_TGL or 0. - */ - PortP->LastRxTgl = ~(uchar)PHB_RX_TGL; + ** LastRxTgl stores the state of the rx toggle bit for this + ** port, to be compared with the state of the next pkt received. + ** If the same, we have received the same rx pkt from the RTA + ** twice. Initialise to a value not equal to PHB_RX_TGL or 0. + */ + PortP->LastRxTgl = ~(uchar) PHB_RX_TGL; /* - ** and mark the port as usable - */ + ** and mark the port as usable + */ PortP->Mapped = 1; rio_spin_unlock_irqrestore(&PortP->portSem, flags); } - if ( HostMapP->SysPort < p->RIOFirstPortsMapped ) + if (HostMapP->SysPort < p->RIOFirstPortsMapped) p->RIOFirstPortsMapped = HostMapP->SysPort; - if ( HostMapP->SysPort > p->RIOLastPortsMapped ) + if (HostMapP->SysPort > p->RIOLastPortsMapped) p->RIOLastPortsMapped = HostMapP->SysPort; return 0; } -int -RIOChangeName(p, MapP) +int RIOChangeName(p, MapP) struct rio_info *p; -struct Map* MapP; +struct Map *MapP; { int host; struct Map *HostMapP; char *sptr; - rio_dprintk (RIO_DEBUG_TABLE, "Change name entry on host %x, rta %x, ID %d, Sysport %d\n", - MapP->HostUniqueNum,MapP->RtaUniqueNum, - MapP->ID, (int)MapP->SysPort); + rio_dprintk(RIO_DEBUG_TABLE, "Change name entry on host %x, rta %x, ID %d, Sysport %d\n", MapP->HostUniqueNum, MapP->RtaUniqueNum, MapP->ID, (int) MapP->SysPort); - if ( MapP->ID > MAX_RUP ) { - rio_dprintk (RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); + if (MapP->ID > MAX_RUP) { + rio_dprintk(RIO_DEBUG_TABLE, "Bad ID in map entry!\n"); p->RIOError.Error = ID_NUMBER_OUT_OF_RANGE; return -EINVAL; } - MapP->Name[MAX_NAME_LEN-1] = '\0'; + MapP->Name[MAX_NAME_LEN - 1] = '\0'; sptr = MapP->Name; - while ( *sptr ) { - if ( *sptr<' ' || *sptr>'~' ) { - rio_dprintk (RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); + while (*sptr) { + if (*sptr < ' ' || *sptr > '~') { + rio_dprintk(RIO_DEBUG_TABLE, "Name entry contains non-printing characters!\n"); p->RIOError.Error = BAD_CHARACTER_IN_NAME; return -EINVAL; } sptr++; } - for ( host=0; host < p->RIONumHosts; host++ ) { - if ( MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum ) { - if ( (p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING ) { + for (host = 0; host < p->RIONumHosts; host++) { + if (MapP->HostUniqueNum == p->RIOHosts[host].UniqueNum) { + if ((p->RIOHosts[host].Flags & RUN_STATE) != RC_RUNNING) { p->RIOError.Error = HOST_NOT_RUNNING; return -ENXIO; } - if ( MapP->ID==0 ) { - CCOPY( MapP->Name, p->RIOHosts[host].Name, MAX_NAME_LEN ); + if (MapP->ID == 0) { + CCOPY(MapP->Name, p->RIOHosts[host].Name, MAX_NAME_LEN); return 0; } - HostMapP = &p->RIOHosts[host].Mapping[MapP->ID-1]; + HostMapP = &p->RIOHosts[host].Mapping[MapP->ID - 1]; - if ( HostMapP->RtaUniqueNum != MapP->RtaUniqueNum ) { + if (HostMapP->RtaUniqueNum != MapP->RtaUniqueNum) { p->RIOError.Error = RTA_NUMBER_WRONG; return -ENXIO; } - CCOPY( MapP->Name, HostMapP->Name, MAX_NAME_LEN ); + CCOPY(MapP->Name, HostMapP->Name, MAX_NAME_LEN); return 0; } } p->RIOError.Error = UNKNOWN_HOST_NUMBER; - rio_dprintk (RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); + rio_dprintk(RIO_DEBUG_TABLE, "Unknown host %x\n", MapP->HostUniqueNum); return -ENXIO; } diff --git a/drivers/char/rio/riotime.h b/drivers/char/rio/riotime.h deleted file mode 100644 index 66d52bc0549..00000000000 --- a/drivers/char/rio/riotime.h +++ /dev/null @@ -1,63 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* T I M E - ******* ******* - **************************************************************************** - - Author : Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef _riotime_h -#define _riotime_h 1 - -#ifndef lint -#ifdef SCCS -static char *_rio_riotime_h_sccs = "@(#)riotime.h 1.1" ; -#endif -#endif - -#define TWO_POWER_FIFTEEN (ushort)32768 -#define RioTime() riotime -#define RioTimeAfter(time1,time2) ((ushort)time1 - (ushort)time2) < TWO_POWER_FIFTEEN -#define RioTimePlus(time1,time2) ((ushort)time1 + (ushort)time2) - -/************************************** - * Convert a RIO tick (1/10th second) - * into transputer low priority ticks - *************************************/ -#define RioTimeToLow(time) (time*(100000 / 64)) -#define RioLowToTime(time) ((time*64)/100000) - -#define RIOTENTHSECOND (ushort)1 -#define RIOSECOND (ushort)(RIOTENTHSECOND * 10) -#endif - -/*********** end of file ***********/ diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c index 78a321afdf4..6379816ed17 100644 --- a/drivers/char/rio/riotty.c +++ b/drivers/char/rio/riotty.c @@ -89,22 +89,13 @@ static char *_riotty_c_sccs_ = "@(#)riotty.c 1.3"; #include "list.h" #include "sam.h" -#if 0 -static void ttyseth_pv(struct Port *, struct ttystatics *, - struct termios *sg, int); -#endif - static void RIOClearUp(struct Port *PortP); -int RIOShortCommand(struct rio_info *p, struct Port *PortP, - int command, int len, int arg); +int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg); -#if 0 -static int RIOCookMode(struct ttystatics *); -#endif -extern int conv_vb[]; /* now defined in ttymgr.c */ -extern int conv_bv[]; /* now defined in ttymgr.c */ - +extern int conv_vb[]; /* now defined in ttymgr.c */ +extern int conv_bv[]; /* now defined in ttymgr.c */ + /* ** 16.09.1998 ARG - Fix to build riotty.k.o for Modular Kernel Support ** @@ -117,27 +108,25 @@ extern int conv_bv[]; /* now defined in ttymgr.c */ #endif #ifdef NEED_THIS2 -static struct old_sgttyb -default_sg = -{ - B19200, B19200, /* input and output speed */ - 'H' - '@', /* erase char */ - -1, /* 2nd erase char */ - 'U' - '@', /* kill char */ - ECHO | CRMOD, /* mode */ - 'C' - '@', /* interrupt character */ - '\\' - '@', /* quit char */ - 'Q' - '@', /* start char */ - 'S' - '@', /* stop char */ - 'D' - '@', /* EOF */ - -1, /* brk */ - (LCRTBS | LCRTERA | LCRTKIL | LCTLECH), /* local mode word */ - 'Z' - '@', /* process stop */ - 'Y' - '@', /* delayed stop */ - 'R' - '@', /* reprint line */ - 'O' - '@', /* flush output */ - 'W' - '@', /* word erase */ - 'V' - '@' /* literal next char */ +static struct old_sgttyb default_sg = { + B19200, B19200, /* input and output speed */ + 'H' - '@', /* erase char */ + -1, /* 2nd erase char */ + 'U' - '@', /* kill char */ + ECHO | CRMOD, /* mode */ + 'C' - '@', /* interrupt character */ + '\\' - '@', /* quit char */ + 'Q' - '@', /* start char */ + 'S' - '@', /* stop char */ + 'D' - '@', /* EOF */ + -1, /* brk */ + (LCRTBS | LCRTERA | LCRTKIL | LCTLECH), /* local mode word */ + 'Z' - '@', /* process stop */ + 'Y' - '@', /* delayed stop */ + 'R' - '@', /* reprint line */ + 'O' - '@', /* flush output */ + 'W' - '@', /* word erase */ + 'V' - '@' /* literal next char */ }; #endif @@ -145,62 +134,59 @@ default_sg = extern struct rio_info *p; -int -riotopen(struct tty_struct * tty, struct file * filp) +int riotopen(struct tty_struct *tty, struct file *filp) { register uint SysPort; int Modem; int repeat_this = 250; - struct Port *PortP; /* pointer to the port structure */ + struct Port *PortP; /* pointer to the port structure */ unsigned long flags; int retval = 0; - func_enter (); + func_enter(); /* Make sure driver_data is NULL in case the rio isn't booted jet. Else gs_close is going to oops. - */ + */ tty->driver_data = NULL; - + SysPort = rio_minor(tty); - Modem = rio_ismodem(tty); + Modem = rio_ismodem(tty); - if ( p->RIOFailed ) { - rio_dprintk (RIO_DEBUG_TTY, "System initialisation failed\n"); + if (p->RIOFailed) { + rio_dprintk(RIO_DEBUG_TTY, "System initialisation failed\n"); pseterr(ENXIO); - func_exit (); + func_exit(); return -ENXIO; } - rio_dprintk (RIO_DEBUG_TTY, "port open SysPort %d (%s) (mapped:%d)\n", - SysPort, Modem ? "Modem" : "tty", - p->RIOPortp[SysPort]->Mapped); + rio_dprintk(RIO_DEBUG_TTY, "port open SysPort %d (%s) (mapped:%d)\n", SysPort, Modem ? "Modem" : "tty", p->RIOPortp[SysPort]->Mapped); /* - ** Validate that we have received a legitimate request. - ** Currently, just check that we are opening a port on - ** a host card that actually exists, and that the port - ** has been mapped onto a host. - */ + ** Validate that we have received a legitimate request. + ** Currently, just check that we are opening a port on + ** a host card that actually exists, and that the port + ** has been mapped onto a host. + */ if (SysPort >= RIO_PORTS) { /* out of range ? */ - rio_dprintk (RIO_DEBUG_TTY, "Illegal port number %d\n",SysPort); + rio_dprintk(RIO_DEBUG_TTY, "Illegal port number %d\n", SysPort); pseterr(ENXIO); func_exit(); return -ENXIO; } /* - ** Grab pointer to the port stucture - */ + ** Grab pointer to the port stucture + */ PortP = p->RIOPortp[SysPort]; /* Get control struc */ - rio_dprintk (RIO_DEBUG_TTY, "PortP: %p\n", PortP); - if ( !PortP->Mapped ) { /* we aren't mapped yet! */ + rio_dprintk(RIO_DEBUG_TTY, "PortP: %p\n", PortP); + if (!PortP->Mapped) { /* we aren't mapped yet! */ /* - ** The system doesn't know which RTA this port - ** corresponds to. - */ - rio_dprintk (RIO_DEBUG_TTY, "port not mapped into system\n"); - func_exit (); + ** The system doesn't know which RTA this port + ** corresponds to. + */ + rio_dprintk(RIO_DEBUG_TTY, "port not mapped into system\n"); + func_exit(); pseterr(ENXIO); return -ENXIO; } @@ -210,132 +196,93 @@ riotopen(struct tty_struct * tty, struct file * filp) PortP->gs.tty = tty; PortP->gs.count++; - rio_dprintk (RIO_DEBUG_TTY, "%d bytes in tx buffer\n", - PortP->gs.xmit_cnt); + rio_dprintk(RIO_DEBUG_TTY, "%d bytes in tx buffer\n", PortP->gs.xmit_cnt); - retval = gs_init_port (&PortP->gs); + retval = gs_init_port(&PortP->gs); if (retval) { PortP->gs.count--; return -ENXIO; } /* - ** If the host hasn't been booted yet, then - ** fail - */ - if ( (PortP->HostP->Flags & RUN_STATE) != RC_RUNNING ) { - rio_dprintk (RIO_DEBUG_TTY, "Host not running\n"); + ** If the host hasn't been booted yet, then + ** fail + */ + if ((PortP->HostP->Flags & RUN_STATE) != RC_RUNNING) { + rio_dprintk(RIO_DEBUG_TTY, "Host not running\n"); pseterr(ENXIO); - func_exit (); + func_exit(); return -ENXIO; } /* - ** If the RTA has not booted yet and the user has choosen to block - ** until the RTA is present then we must spin here waiting for - ** the RTA to boot. - */ -#if 0 - if (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)) { - if (PortP->WaitUntilBooted) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot\n"); - do { - if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n"); - func_exit (); - return -EINTR; - } - if (repeat_this -- <= 0) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n"); - RIOPreemptiveCmd(p, PortP, FCLOSE ); - pseterr(EINTR); - func_exit (); - return -EIO; - } - } while(!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)); - rio_dprintk (RIO_DEBUG_TTY, "RTA has been booted\n"); - } else { - rio_dprintk (RIO_DEBUG_TTY, "RTA never booted\n"); - pseterr(ENXIO); - func_exit (); - return 0; - } - } -#else + ** If the RTA has not booted yet and the user has choosen to block + ** until the RTA is present then we must spin here waiting for + ** the RTA to boot. + */ /* I find the above code a bit hairy. I find the below code - easier to read and shorter. Now, if it works too that would + easier to read and shorter. Now, if it works too that would be great... -- REW - */ - rio_dprintk (RIO_DEBUG_TTY, "Checking if RTA has booted... \n"); + */ + rio_dprintk(RIO_DEBUG_TTY, "Checking if RTA has booted... \n"); while (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)) { - if (!PortP->WaitUntilBooted) { - rio_dprintk (RIO_DEBUG_TTY, "RTA never booted\n"); - func_exit (); - return -ENXIO; - } - - /* Under Linux you'd normally use a wait instead of this - busy-waiting. I'll stick with the old implementation for - now. --REW - */ - if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_TTY, "RTA_wait_for_boot: EINTR in delay \n"); - func_exit (); - return -EINTR; - } - if (repeat_this -- <= 0) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n"); - func_exit (); - return -EIO; - } + if (!PortP->WaitUntilBooted) { + rio_dprintk(RIO_DEBUG_TTY, "RTA never booted\n"); + func_exit(); + return -ENXIO; + } + + /* Under Linux you'd normally use a wait instead of this + busy-waiting. I'll stick with the old implementation for + now. --REW + */ + if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_TTY, "RTA_wait_for_boot: EINTR in delay \n"); + func_exit(); + return -EINTR; + } + if (repeat_this-- <= 0) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n"); + func_exit(); + return -EIO; + } } - rio_dprintk (RIO_DEBUG_TTY, "RTA has been booted\n"); -#endif -#if 0 - tp = PortP->TtyP; /* get tty struct */ -#endif + rio_dprintk(RIO_DEBUG_TTY, "RTA has been booted\n"); rio_spin_lock_irqsave(&PortP->portSem, flags); - if ( p->RIOHalted ) { + if (p->RIOHalted) { goto bombout; } -#if 0 - retval = gs_init_port(&PortP->gs); - if (retval){ - func_exit (); - return retval; - } -#endif /* - ** If the port is in the final throws of being closed, - ** we should wait here (politely), waiting - ** for it to finish, so that it doesn't close us! - */ - while ( (PortP->State & RIO_CLOSING) && !p->RIOHalted ) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for RIO_CLOSING to go away\n"); - if (repeat_this -- <= 0) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n"); - RIOPreemptiveCmd(p, PortP, FCLOSE ); + ** If the port is in the final throws of being closed, + ** we should wait here (politely), waiting + ** for it to finish, so that it doesn't close us! + */ + while ((PortP->State & RIO_CLOSING) && !p->RIOHalted) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting for RIO_CLOSING to go away\n"); + if (repeat_this-- <= 0) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n"); + RIOPreemptiveCmd(p, PortP, FCLOSE); retval = -EINTR; goto bombout; } rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { - rio_spin_lock_irqsave(&PortP->portSem, flags); + rio_spin_lock_irqsave(&PortP->portSem, flags); retval = -EINTR; goto bombout; } - rio_spin_lock_irqsave(&PortP->portSem, flags); + rio_spin_lock_irqsave(&PortP->portSem, flags); } - if ( !PortP->Mapped ) { - rio_dprintk (RIO_DEBUG_TTY, "Port unmapped while closing!\n"); + if (!PortP->Mapped) { + rio_dprintk(RIO_DEBUG_TTY, "Port unmapped while closing!\n"); rio_spin_unlock_irqrestore(&PortP->portSem, flags); retval = -ENXIO; - func_exit (); + func_exit(); return retval; } - if ( p->RIOHalted ) { + if (p->RIOHalted) { goto bombout; } @@ -346,16 +293,16 @@ riotopen(struct tty_struct * tty, struct file * filp) */ /* Uh? Suppose I turn these on and then another process opens the port again? The flags get cleared! Not good. -- REW */ - if ( !(PortP->State & (RIO_LOPEN | RIO_MOPEN)) ) { - PortP->Config &= ~(RIO_CTSFLOW|RIO_RTSFLOW); + if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) { + PortP->Config &= ~(RIO_CTSFLOW | RIO_RTSFLOW); } if (!(PortP->firstOpen)) { /* First time ? */ - rio_dprintk (RIO_DEBUG_TTY, "First open for this port\n"); - + rio_dprintk(RIO_DEBUG_TTY, "First open for this port\n"); + PortP->firstOpen++; - PortP->CookMode = 0; /* XXX RIOCookMode(tp); */ + PortP->CookMode = 0; /* XXX RIOCookMode(tp); */ PortP->InUse = NOT_INUSE; /* Tentative fix for bug PR27. Didn't work. */ @@ -363,26 +310,21 @@ riotopen(struct tty_struct * tty, struct file * filp) rio_spin_unlock_irqrestore(&PortP->portSem, flags); #ifdef NEED_THIS - ttyseth(PortP, tp, (struct old_sgttyb *)&default_sg); + ttyseth(PortP, tp, (struct old_sgttyb *) &default_sg); #endif /* Someone explain to me why this delay/config is - here. If I read the docs correctly the "open" - command piggybacks the parameters immediately. + here. If I read the docs correctly the "open" + command piggybacks the parameters immediately. -- REW */ - RIOParam(PortP,OPEN,Modem,OK_TO_SLEEP); /* Open the port */ -#if 0 - /* This delay of 1 second was annoying. I removed it. -- REW */ - RIODelay(PortP, HUNDRED_MS*10); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); /* Config the port */ -#endif + RIOParam(PortP, OPEN, Modem, OK_TO_SLEEP); /* Open the port */ rio_spin_lock_irqsave(&PortP->portSem, flags); /* - ** wait for the port to be not closed. - */ - while ( !(PortP->PortState & PORT_ISOPEN) && !p->RIOHalted ) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for PORT_ISOPEN-currently %x\n",PortP->PortState); + ** wait for the port to be not closed. + */ + while (!(PortP->PortState & PORT_ISOPEN) && !p->RIOHalted) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting for PORT_ISOPEN-currently %x\n", PortP->PortState); /* ** 15.10.1998 ARG - ESIL 0759 ** (Part) fix for port being trashed when opened whilst RTA "disconnected" @@ -399,115 +341,106 @@ riotopen(struct tty_struct * tty, struct file * filp) */ rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for open to finish broken by signal\n"); - RIOPreemptiveCmd(p, PortP, FCLOSE ); - func_exit (); + rio_dprintk(RIO_DEBUG_TTY, "Waiting for open to finish broken by signal\n"); + RIOPreemptiveCmd(p, PortP, FCLOSE); + func_exit(); return -EINTR; } rio_spin_lock_irqsave(&PortP->portSem, flags); } - if ( p->RIOHalted ) { - retval = -EIO; -bombout: - /* RIOClearUp( PortP ); */ + if (p->RIOHalted) { + retval = -EIO; + bombout: + /* RIOClearUp( PortP ); */ rio_spin_unlock_irqrestore(&PortP->portSem, flags); return retval; } - rio_dprintk (RIO_DEBUG_TTY, "PORT_ISOPEN found\n"); + rio_dprintk(RIO_DEBUG_TTY, "PORT_ISOPEN found\n"); } - -#ifdef MODEM_SUPPORT +#ifdef MODEM_SUPPORT if (Modem) { - rio_dprintk (RIO_DEBUG_TTY, "Modem - test for carrier\n"); + rio_dprintk(RIO_DEBUG_TTY, "Modem - test for carrier\n"); /* - ** ACTION - ** insert test for carrier here. -- ??? - ** I already see that test here. What's the deal? -- REW - */ - if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) - { - rio_dprintk (RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort); + ** ACTION + ** insert test for carrier here. -- ??? + ** I already see that test here. What's the deal? -- REW + */ + if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) { + rio_dprintk(RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort); /* - tp->tm.c_state |= CARR_ON; - wakeup((caddr_t) &tp->tm.c_canq); - */ + tp->tm.c_state |= CARR_ON; + wakeup((caddr_t) &tp->tm.c_canq); + */ PortP->State |= RIO_CARR_ON; - wake_up_interruptible (&PortP->gs.open_wait); - } - else /* no carrier - wait for DCD */ - { - /* - while (!(PortP->gs.tty->termios->c_state & CARR_ON) && - !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted ) - */ - while (!(PortP->State & RIO_CARR_ON) && - !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted ) { - - rio_dprintk (RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n",SysPort); + wake_up_interruptible(&PortP->gs.open_wait); + } else { /* no carrier - wait for DCD */ + + /* + while (!(PortP->gs.tty->termios->c_state & CARR_ON) && + !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted ) + */ + while (!(PortP->State & RIO_CARR_ON) && !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted) { + + rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n", SysPort); /* - PortP->gs.tty->termios->c_state |= WOPEN; - */ + PortP->gs.tty->termios->c_state |= WOPEN; + */ PortP->State |= RIO_WOPEN; rio_spin_unlock_irqrestore(&PortP->portSem, flags); - if (RIODelay (PortP, HUNDRED_MS) == RIO_FAIL) -#if 0 - if ( sleep((caddr_t)&tp->tm.c_canqo, TTIPRI|PCATCH)) -#endif - { - /* - ** ACTION: verify that this is a good thing - ** to do here. -- ??? - ** I think it's OK. -- REW - */ - rio_dprintk (RIO_DEBUG_TTY, "open(%d) sleeping for carr broken by signal\n", - SysPort); - RIOPreemptiveCmd( p, PortP, FCLOSE ); - /* - tp->tm.c_state &= ~WOPEN; - */ - PortP->State &= ~RIO_WOPEN; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - func_exit (); - return -EINTR; - } + if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) + { + /* + ** ACTION: verify that this is a good thing + ** to do here. -- ??? + ** I think it's OK. -- REW + */ + rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr broken by signal\n", SysPort); + RIOPreemptiveCmd(p, PortP, FCLOSE); + /* + tp->tm.c_state &= ~WOPEN; + */ + PortP->State &= ~RIO_WOPEN; + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + func_exit(); + return -EINTR; + } } PortP->State &= ~RIO_WOPEN; } - if ( p->RIOHalted ) + if (p->RIOHalted) goto bombout; - rio_dprintk (RIO_DEBUG_TTY, "Setting RIO_MOPEN\n"); + rio_dprintk(RIO_DEBUG_TTY, "Setting RIO_MOPEN\n"); PortP->State |= RIO_MOPEN; - } - else + } else #endif { /* - ** ACTION - ** Direct line open - force carrier (will probably mean - ** that sleeping Modem line fubar) - */ + ** ACTION + ** Direct line open - force carrier (will probably mean + ** that sleeping Modem line fubar) + */ PortP->State |= RIO_LOPEN; } - if ( p->RIOHalted ) { + if (p->RIOHalted) { goto bombout; } - rio_dprintk (RIO_DEBUG_TTY, "high level open done\n"); + rio_dprintk(RIO_DEBUG_TTY, "high level open done\n"); #ifdef STATS PortP->Stat.OpenCnt++; #endif /* - ** Count opens for port statistics reporting - */ + ** Count opens for port statistics reporting + */ if (PortP->statsGather) PortP->opens++; rio_spin_unlock_irqrestore(&PortP->portSem, flags); - rio_dprintk (RIO_DEBUG_TTY, "Returning from open\n"); - func_exit (); + rio_dprintk(RIO_DEBUG_TTY, "Returning from open\n"); + func_exit(); return 0; } @@ -516,85 +449,73 @@ bombout: ** The operating system thinks that this is last close for the device. ** As there are two interfaces to the port (Modem and tty), we need to ** check that both are closed before we close the device. -*/ -int -riotclose(void *ptr) +*/ +int riotclose(void *ptr) { -#if 0 - register uint SysPort = dev; - struct ttystatics *tp; /* pointer to our ttystruct */ -#endif struct Port *PortP = ptr; /* pointer to the port structure */ int deleted = 0; - int try = -1; /* Disable the timeouts by setting them to -1 */ - int repeat_this = -1; /* Congrats to those having 15 years of - uptime! (You get to break the driver.) */ + int try = -1; /* Disable the timeouts by setting them to -1 */ + int repeat_this = -1; /* Congrats to those having 15 years of + uptime! (You get to break the driver.) */ unsigned long end_time; - struct tty_struct * tty; + struct tty_struct *tty; unsigned long flags; int Modem; int rv = 0; - - rio_dprintk (RIO_DEBUG_TTY, "port close SysPort %d\n",PortP->PortNum); + + rio_dprintk(RIO_DEBUG_TTY, "port close SysPort %d\n", PortP->PortNum); /* PortP = p->RIOPortp[SysPort]; */ - rio_dprintk (RIO_DEBUG_TTY, "Port is at address 0x%x\n",(int)PortP); - /* tp = PortP->TtyP;*/ /* Get tty */ + rio_dprintk(RIO_DEBUG_TTY, "Port is at address 0x%x\n", (int) PortP); + /* tp = PortP->TtyP; *//* Get tty */ tty = PortP->gs.tty; - rio_dprintk (RIO_DEBUG_TTY, "TTY is at address 0x%x\n",(int)tty); + rio_dprintk(RIO_DEBUG_TTY, "TTY is at address 0x%x\n", (int) tty); - if (PortP->gs.closing_wait) + if (PortP->gs.closing_wait) end_time = jiffies + PortP->gs.closing_wait; - else + else end_time = jiffies + MAX_SCHEDULE_TIMEOUT; Modem = rio_ismodem(tty); -#if 0 - /* What F.CKING cache? Even then, a higly idle multiprocessor, - system with large caches this won't work . Better find out when - this doesn't work asap, and fix the cause. -- REW */ - - RIODelay(PortP, HUNDRED_MS*10); /* To flush the cache */ -#endif rio_spin_lock_irqsave(&PortP->portSem, flags); /* - ** Setting this flag will make any process trying to open - ** this port block until we are complete closing it. - */ + ** Setting this flag will make any process trying to open + ** this port block until we are complete closing it. + */ PortP->State |= RIO_CLOSING; - if ( (PortP->State & RIO_DELETED) ) { - rio_dprintk (RIO_DEBUG_TTY, "Close on deleted RTA\n"); + if ((PortP->State & RIO_DELETED)) { + rio_dprintk(RIO_DEBUG_TTY, "Close on deleted RTA\n"); deleted = 1; } - - if ( p->RIOHalted ) { - RIOClearUp( PortP ); + + if (p->RIOHalted) { + RIOClearUp(PortP); rv = -EIO; goto close_end; } - rio_dprintk (RIO_DEBUG_TTY, "Clear bits\n"); + rio_dprintk(RIO_DEBUG_TTY, "Clear bits\n"); /* - ** clear the open bits for this device - */ + ** clear the open bits for this device + */ PortP->State &= (Modem ? ~RIO_MOPEN : ~RIO_LOPEN); PortP->State &= ~RIO_CARR_ON; PortP->ModemState &= ~MSVR1_CD; /* - ** If the device was open as both a Modem and a tty line - ** then we need to wimp out here, as the port has not really - ** been finally closed (gee, whizz!) The test here uses the - ** bit for the OTHER mode of operation, to see if THAT is - ** still active! - */ - if ( (PortP->State & (RIO_LOPEN|RIO_MOPEN)) ) { + ** If the device was open as both a Modem and a tty line + ** then we need to wimp out here, as the port has not really + ** been finally closed (gee, whizz!) The test here uses the + ** bit for the OTHER mode of operation, to see if THAT is + ** still active! + */ + if ((PortP->State & (RIO_LOPEN | RIO_MOPEN))) { /* - ** The port is still open for the other task - - ** return, pretending that we are still active. - */ - rio_dprintk (RIO_DEBUG_TTY, "Channel %d still open !\n",PortP->PortNum); + ** The port is still open for the other task - + ** return, pretending that we are still active. + */ + rio_dprintk(RIO_DEBUG_TTY, "Channel %d still open !\n", PortP->PortNum); PortP->State &= ~RIO_CLOSING; if (PortP->firstOpen) PortP->firstOpen--; @@ -602,48 +523,47 @@ riotclose(void *ptr) return -EIO; } - rio_dprintk (RIO_DEBUG_TTY, "Closing down - everything must go!\n"); + rio_dprintk(RIO_DEBUG_TTY, "Closing down - everything must go!\n"); PortP->State &= ~RIO_DYNOROD; /* - ** This is where we wait for the port - ** to drain down before closing. Bye-bye.... - ** (We never meant to do this) - */ - rio_dprintk (RIO_DEBUG_TTY, "Timeout 1 starts\n"); + ** This is where we wait for the port + ** to drain down before closing. Bye-bye.... + ** (We never meant to do this) + */ + rio_dprintk(RIO_DEBUG_TTY, "Timeout 1 starts\n"); if (!deleted) - while ( (PortP->InUse != NOT_INUSE) && !p->RIOHalted && - (PortP->TxBufferIn != PortP->TxBufferOut) ) { - cprintf("Need to flush the ttyport\n"); - if (repeat_this -- <= 0) { - rv = -EINTR; - rio_dprintk (RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n"); - RIOPreemptiveCmd(p, PortP, FCLOSE); - goto close_end; - } - rio_dprintk (RIO_DEBUG_TTY, "Calling timeout to flush in closing\n"); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - if (RIODelay_ni(PortP, HUNDRED_MS*10) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n"); - rv = -EINTR; + while ((PortP->InUse != NOT_INUSE) && !p->RIOHalted && (PortP->TxBufferIn != PortP->TxBufferOut)) { + cprintf("Need to flush the ttyport\n"); + if (repeat_this-- <= 0) { + rv = -EINTR; + rio_dprintk(RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n"); + RIOPreemptiveCmd(p, PortP, FCLOSE); + goto close_end; + } + rio_dprintk(RIO_DEBUG_TTY, "Calling timeout to flush in closing\n"); + rio_spin_unlock_irqrestore(&PortP->portSem, flags); + if (RIODelay_ni(PortP, HUNDRED_MS * 10) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_TTY, "RTA EINTR in delay \n"); + rv = -EINTR; + rio_spin_lock_irqsave(&PortP->portSem, flags); + goto close_end; + } rio_spin_lock_irqsave(&PortP->portSem, flags); - goto close_end; } - rio_spin_lock_irqsave(&PortP->portSem, flags); - } PortP->TxBufferIn = PortP->TxBufferOut = 0; repeat_this = 0xff; PortP->InUse = 0; - if ( (PortP->State & (RIO_LOPEN|RIO_MOPEN)) ) { + if ((PortP->State & (RIO_LOPEN | RIO_MOPEN))) { /* - ** The port has been re-opened for the other task - - ** return, pretending that we are still active. - */ - rio_dprintk (RIO_DEBUG_TTY, "Channel %d re-open!\n", PortP->PortNum); + ** The port has been re-opened for the other task - + ** return, pretending that we are still active. + */ + rio_dprintk(RIO_DEBUG_TTY, "Channel %d re-open!\n", PortP->PortNum); PortP->State &= ~RIO_CLOSING; rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (PortP->firstOpen) @@ -651,8 +571,8 @@ riotclose(void *ptr) return -EIO; } - if ( p->RIOHalted ) { - RIOClearUp( PortP ); + if (p->RIOHalted) { + RIOClearUp(PortP); goto close_end; } @@ -665,115 +585,73 @@ riotclose(void *ptr) } if (!deleted) - while (try && (PortP->PortState & PORT_ISOPEN)) { - try--; - if (time_after (jiffies, end_time)) { - rio_dprintk (RIO_DEBUG_TTY, "Run out of tries - force the bugger shut!\n" ); - RIOPreemptiveCmd(p, PortP,FCLOSE); - break; - } - rio_dprintk (RIO_DEBUG_TTY, "Close: PortState:ISOPEN is %d\n", - PortP->PortState & PORT_ISOPEN); + while (try && (PortP->PortState & PORT_ISOPEN)) { + try--; + if (time_after(jiffies, end_time)) { + rio_dprintk(RIO_DEBUG_TTY, "Run out of tries - force the bugger shut!\n"); + RIOPreemptiveCmd(p, PortP, FCLOSE); + break; + } + rio_dprintk(RIO_DEBUG_TTY, "Close: PortState:ISOPEN is %d\n", PortP->PortState & PORT_ISOPEN); - if ( p->RIOHalted ) { - RIOClearUp( PortP ); - goto close_end; - } - if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { - rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n"); - RIOPreemptiveCmd(p, PortP,FCLOSE); - break; + if (p->RIOHalted) { + RIOClearUp(PortP); + goto close_end; + } + if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { + rio_dprintk(RIO_DEBUG_TTY, "RTA EINTR in delay \n"); + RIOPreemptiveCmd(p, PortP, FCLOSE); + break; + } } - } rio_spin_lock_irqsave(&PortP->portSem, flags); - rio_dprintk (RIO_DEBUG_TTY, "Close: try was %d on completion\n", try ); - + rio_dprintk(RIO_DEBUG_TTY, "Close: try was %d on completion\n", try); + /* RIOPreemptiveCmd(p, PortP, FCLOSE); */ /* ** 15.10.1998 ARG - ESIL 0761 part fix ** RIO has it's own CTSFLOW and RTSFLOW flags in 'Config' in the port structure,** we need to make sure that the flags are clear when the port is opened. */ - PortP->Config &= ~(RIO_CTSFLOW|RIO_RTSFLOW); + PortP->Config &= ~(RIO_CTSFLOW | RIO_RTSFLOW); #ifdef STATS PortP->Stat.CloseCnt++; #endif /* - ** Count opens for port statistics reporting - */ + ** Count opens for port statistics reporting + */ if (PortP->statsGather) PortP->closes++; -close_end: + close_end: /* XXX: Why would a "DELETED" flag be reset here? I'd have thought that a "deleted" flag means that the port was permanently gone, but here we can make it reappear by it being in close during the "deletion". - */ - PortP->State &= ~(RIO_CLOSING|RIO_DELETED); + */ + PortP->State &= ~(RIO_CLOSING | RIO_DELETED); if (PortP->firstOpen) PortP->firstOpen--; rio_spin_unlock_irqrestore(&PortP->portSem, flags); - rio_dprintk (RIO_DEBUG_TTY, "Return from close\n"); + rio_dprintk(RIO_DEBUG_TTY, "Return from close\n"); return rv; } -/* -** decide if we need to use the line discipline. -** This routine can return one of three values: -** COOK_RAW if no processing has to be done by the line discipline or the card -** COOK_WELL if the line discipline must be used to do the processing -** COOK_MEDIUM if the card can do all the processing necessary. -*/ -#if 0 -static int -RIOCookMode(struct ttystatics *tp) -{ - /* - ** We can't handle tm.c_mstate != 0 on SCO - ** We can't handle mapping - ** We can't handle non-ttwrite line disc. - ** We can't handle lflag XCASE - ** We can handle oflag OPOST & (OCRNL, ONLCR, TAB3) - */ - -#ifdef CHECK - CheckTtyP( tp ); -#endif - if (!(tp->tm.c_oflag & OPOST)) /* No post processing */ - return COOK_RAW; /* Raw mode o/p */ - - if ( tp->tm.c_lflag & XCASE ) - return COOK_WELL; /* Use line disc */ - if (tp->tm.c_oflag & ~(OPOST | ONLCR | OCRNL | TAB3 ) ) - return COOK_WELL; /* Use line disc for strange modes */ - - if ( tp->tm.c_oflag == OPOST ) /* If only OPOST is set, do RAW */ - return COOK_RAW; - - /* - ** So, we need to output process! - */ - return COOK_MEDIUM; -} -#endif - -static void -RIOClearUp(PortP) +static void RIOClearUp(PortP) struct Port *PortP; { - rio_dprintk (RIO_DEBUG_TTY, "RIOHalted set\n"); - PortP->Config = 0; /* Direct semaphore */ + rio_dprintk(RIO_DEBUG_TTY, "RIOHalted set\n"); + PortP->Config = 0; /* Direct semaphore */ PortP->PortState = 0; PortP->firstOpen = 0; PortP->FlushCmdBodge = 0; PortP->ModemState = PortP->CookMode = 0; PortP->Mapped = 0; PortP->WflushFlag = 0; - PortP->MagicFlags = 0; + PortP->MagicFlags = 0; PortP->RxDataStart = 0; PortP->TxBufferIn = 0; PortP->TxBufferOut = 0; @@ -788,33 +666,26 @@ struct Port *PortP; ** Other values of len aren't allowed, and will cause ** a panic. */ -int RIOShortCommand(struct rio_info *p, struct Port *PortP, - int command, int len, int arg) +int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg) { PKT *PacketP; - int retries = 20; /* at 10 per second -> 2 seconds */ + int retries = 20; /* at 10 per second -> 2 seconds */ unsigned long flags; - rio_dprintk (RIO_DEBUG_TTY, "entering shortcommand.\n"); -#ifdef CHECK - CheckPortP( PortP ); - if ( len < 1 || len > 2 ) - cprintf(("STUPID LENGTH %d\n",len)); -#endif + rio_dprintk(RIO_DEBUG_TTY, "entering shortcommand.\n"); - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n"); + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n"); return RIO_FAIL; } rio_spin_lock_irqsave(&PortP->portSem, flags); /* - ** If the port is in use for pre-emptive command, then wait for it to - ** be free again. - */ - while ( (PortP->InUse != NOT_INUSE) && !p->RIOHalted ) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting for not in use (%d)\n", - retries); + ** If the port is in use for pre-emptive command, then wait for it to + ** be free again. + */ + while ((PortP->InUse != NOT_INUSE) && !p->RIOHalted) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting for not in use (%d)\n", retries); rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (retries-- <= 0) { return RIO_FAIL; @@ -824,47 +695,47 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, } rio_spin_lock_irqsave(&PortP->portSem, flags); } - if ( PortP->State & RIO_DELETED ) { - rio_dprintk (RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n"); + if (PortP->State & RIO_DELETED) { + rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n"); rio_spin_unlock_irqrestore(&PortP->portSem, flags); return RIO_FAIL; } - while ( !can_add_transmit(&PacketP,PortP) && !p->RIOHalted ) { - rio_dprintk (RIO_DEBUG_TTY, "Waiting to add short command to queue (%d)\n", retries); + while (!can_add_transmit(&PacketP, PortP) && !p->RIOHalted) { + rio_dprintk(RIO_DEBUG_TTY, "Waiting to add short command to queue (%d)\n", retries); rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (retries-- <= 0) { - rio_dprintk (RIO_DEBUG_TTY, "out of tries. Failing\n"); + rio_dprintk(RIO_DEBUG_TTY, "out of tries. Failing\n"); return RIO_FAIL; } - if ( RIODelay_ni(PortP, HUNDRED_MS)==RIO_FAIL ) { + if (RIODelay_ni(PortP, HUNDRED_MS) == RIO_FAIL) { return RIO_FAIL; } rio_spin_lock_irqsave(&PortP->portSem, flags); } - if ( p->RIOHalted ) { + if (p->RIOHalted) { rio_spin_unlock_irqrestore(&PortP->portSem, flags); return RIO_FAIL; } /* - ** set the command byte and the argument byte - */ - WBYTE(PacketP->data[0] , command); + ** set the command byte and the argument byte + */ + WBYTE(PacketP->data[0], command); - if ( len==2 ) - WBYTE(PacketP->data[1] , arg); + if (len == 2) + WBYTE(PacketP->data[1], arg); /* - ** set the length of the packet and set the command bit. - */ - WBYTE(PacketP->len , PKT_CMD_BIT | len); + ** set the length of the packet and set the command bit. + */ + WBYTE(PacketP->len, PKT_CMD_BIT | len); add_transmit(PortP); /* - ** Count characters transmitted for port statistics reporting - */ + ** Count characters transmitted for port statistics reporting + */ if (PortP->statsGather) PortP->txchars += len; @@ -873,501 +744,3 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, } -#if 0 -/* -** This is an ioctl interface. This is the twentieth century. You know what -** its all about. -*/ -int -riotioctl(struct rio_info *p, struct tty_struct *tty, int cmd, caddr_t arg) -{ - register struct Port *PortP; - register struct ttystatics *tp; - int current; - int ParamSemIncremented = 0; - int old_oflag, old_cflag, old_iflag, changed, oldcook; - int i; - unsigned char sio_regs[5]; /* Here be magic */ - short vpix_cflag; - short divisor; - int baud; - uint SysPort = rio_minor(tty); - int Modem = rio_ismodem(tty); - int ioctl_processed; - - rio_dprintk (RIO_DEBUG_TTY, "port ioctl SysPort %d command 0x%x argument 0x%x %s\n", - SysPort, cmd, arg, Modem?"Modem":"tty") ; - - if ( SysPort >= RIO_PORTS ) { - rio_dprintk (RIO_DEBUG_TTY, "Bad port number %d\n", SysPort); - return -ENXIO; - } - - PortP = p->RIOPortp[SysPort]; - tp = PortP->TtyP; - - rio_spin_lock_irqsave(&PortP->portSem, flags); - -#ifdef STATS - PortP->Stat.IoctlCnt++; -#endif - - if ( PortP->State & RIO_DELETED ) { - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return -EIO; - } - - - if ( p->RIOHalted ) { - RIOClearUp( PortP ); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return -EIO; - } - - /* - ** Count ioctls for port statistics reporting - */ - if (PortP->statsGather) - PortP->ioctls++; - - /* - ** Specialix RIO Ioctl calls - */ - switch (cmd) { - - case TCRIOTRIAD: - if ( arg ) - PortP->State |= RIO_TRIAD_MODE; - else - PortP->State &= ~RIO_TRIAD_MODE; - /* - ** Normally, when istrip is set on a port, a config is - ** sent to the RTA instructing the CD1400 to do the - ** stripping. In TRIAD mode, the interrupt receive routine - ** must do the stripping instead, since it has to detect - ** an 8 bit function key sequence. If istrip is set with - ** TRIAD mode on(off), and 8 bit data is being read by - ** the port, the user then turns TRIAD mode off(on), the RTA - ** must be reconfigured (not) to do the stripping. - ** Hence we call RIOParam here. - */ - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - return 0; - - case TCRIOTSTATE: - rio_dprintk (RIO_DEBUG_TTY, "tbusy/tstop monitoring %sabled\n", - arg ? "en" : "dis"); - /* MonitorTstate = 0 ;*/ - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP); - return 0; - - case TCRIOSTATE: /* current state of Modem input pins */ - rio_dprintk (RIO_DEBUG_TTY, "TCRIOSTATE\n"); - if (RIOPreemptiveCmd(p, PortP, MGET) == RIO_FAIL) - rio_dprintk (RIO_DEBUG_TTY, "TCRIOSTATE command failed\n"); - PortP->State |= RIO_BUSY; - current = PortP->ModemState; - if ( copyout((caddr_t)¤t, (int)arg, - sizeof(current))==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_TTY, "Copyout failed\n"); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EFAULT); - } - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOMBIS: /* Set modem lines */ - case TCRIOMBIC: /* Clear modem lines */ - rio_dprintk (RIO_DEBUG_TTY, "TCRIOMBIS/TCRIOMBIC\n"); - if (cmd == TCRIOMBIS) { - uint state; - state = (uint)arg; - PortP->ModemState |= (ushort)state; - PortP->ModemLines = (ulong) arg; - if (RIOPreemptiveCmd(p, PortP, MBIS) == RIO_FAIL) - rio_dprintk (RIO_DEBUG_TTY, - "TCRIOMBIS command failed\n"); - } - else { - uint state; - - state = (uint)arg; - PortP->ModemState &= ~(ushort)state; - PortP->ModemLines = (ulong) arg; - if (RIOPreemptiveCmd(p, PortP, MBIC) == RIO_FAIL) - rio_dprintk (RIO_DEBUG_TTY, "TCRIOMBIC command failed\n"); - } - PortP->State |= RIO_BUSY; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOXPON: /* set Xprint ON string */ - rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPON\n"); - if ( copyin((int)arg, (caddr_t)PortP->Xprint.XpOn, - MAX_XP_CTRL_LEN)==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_TTY, "Copyin failed\n"); - PortP->Xprint.XpOn[0] = '\0'; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EFAULT); - } - PortP->Xprint.XpOn[MAX_XP_CTRL_LEN-1] = '\0'; - PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn)+ - strlen(PortP->Xprint.XpOff); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOXPOFF: /* set Xprint OFF string */ - rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPOFF\n"); - if ( copyin( (int)arg, (caddr_t)PortP->Xprint.XpOff, - MAX_XP_CTRL_LEN)==COPYFAIL ) { - rio_dprintk (RIO_DEBUG_TTY, "Copyin failed\n"); - PortP->Xprint.XpOff[0] = '\0'; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EFAULT); - } - PortP->Xprint.XpOff[MAX_XP_CTRL_LEN-1] = '\0'; - PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn)+ - strlen(PortP->Xprint.XpOff); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOXPCPS: /* set Xprint CPS string */ - rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPCPS\n"); - if ( (uint)arg > p->RIOConf.MaxXpCps || - (uint)arg < p->RIOConf.MinXpCps ) { - rio_dprintk (RIO_DEBUG_TTY, "%d CPS out of range\n",arg); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EINVAL); - return 0; - } - PortP->Xprint.XpCps = (uint)arg; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOXPRINT: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPRINT\n"); - if ( copyout((caddr_t)&PortP->Xprint, (int)arg, - sizeof(struct Xprint))==COPYFAIL ) { - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EFAULT); - } - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOIXANYON: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXANYON\n"); - PortP->Config |= RIO_IXANY; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOIXANYOFF: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXANYOFF\n"); - PortP->Config &= ~RIO_IXANY; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOIXONON: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXONON\n"); - PortP->Config |= RIO_IXON; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - - case TCRIOIXONOFF: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXONOFF\n"); - PortP->Config &= ~RIO_IXON; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; - -/* -** 15.10.1998 ARG - ESIL 0761 part fix -** Added support for CTS and RTS flow control ioctls : -*/ - case TCRIOCTSFLOWEN: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOCTSFLOWEN\n"); - PortP->Config |= RIO_CTSFLOW; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - return 0; - - case TCRIOCTSFLOWDIS: - rio_dprintk (RIO_DEBUG_TTY, "TCRIOCTSFLOWDIS\n"); - PortP->Config &= ~RIO_CTSFLOW; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - return 0; - - case TCRIORTSFLOWEN: - rio_dprintk (RIO_DEBUG_TTY, "TCRIORTSFLOWEN\n"); - PortP->Config |= RIO_RTSFLOW; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - return 0; - - case TCRIORTSFLOWDIS: - rio_dprintk (RIO_DEBUG_TTY, "TCRIORTSFLOWDIS\n"); - PortP->Config &= ~RIO_RTSFLOW; - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - return 0; - -/* end ESIL 0761 part fix */ - - } - - - /* Lynx IOCTLS */ - switch (cmd) { - case TIOCSETP: - case TIOCSETN: - case OTIOCSETP: - case OTIOCSETN: - ioctl_processed++; - ttyseth(PortP, tp, (struct old_sgttyb *)arg); - break; - case TCSETA: - case TCSETAW: - case TCSETAF: - ioctl_processed++; - rio_dprintk (RIO_DEBUG_TTY, "NON POSIX ioctl\n"); - ttyseth_pv(PortP, tp, (struct termios *)arg, 0); - break; - case TCSETAP: /* posix tcsetattr() */ - case TCSETAWP: /* posix tcsetattr() */ - case TCSETAFP: /* posix tcsetattr() */ - rio_dprintk (RIO_DEBUG_TTY, "NON POSIX SYSV ioctl\n"); - ttyseth_pv(PortP, tp, (struct termios *)arg, 1); - ioctl_processed++; - break; - } - - /* - ** If its any of the commands that require the port to be in the - ** non-busy state wait until all output has drained - */ - if (!ioctl_processed) - switch(cmd) { - case TCSETAW: - case TCSETAF: - case TCSETA: - case TCSBRK: -#define OLD_POSIX ('x' << 8) -#define OLD_POSIX_SETA (OLD_POSIX | 2) -#define OLD_POSIX_SETAW (OLD_POSIX | 3) -#define OLD_POSIX_SETAF (OLD_POSIX | 4) -#define NEW_POSIX (('i' << 24) | ('X' << 16)) -#define NEW_POSIX_SETA (NEW_POSIX | 2) -#define NEW_POSIX_SETAW (NEW_POSIX | 3) -#define NEW_POSIX_SETAF (NEW_POSIX | 4) - case OLD_POSIX_SETA: - case OLD_POSIX_SETAW: - case OLD_POSIX_SETAF: - case NEW_POSIX_SETA: - case NEW_POSIX_SETAW: - case NEW_POSIX_SETAF: -#ifdef TIOCSETP - case TIOCSETP: -#endif - case TIOCSETD: - case TIOCSETN: - rio_dprintk (RIO_DEBUG_TTY, "wait for non-BUSY, semaphore set\n"); - /* - ** Wait for drain here, at least as far as the double buffer - ** being empty. - */ - /* XXX Does the above comment mean that this has - still to be implemented? -- REW */ - /* XXX Is the locking OK together with locking - in txenable? (Deadlock?) -- REW */ - - RIOTxEnable((char *)PortP); - break; - default: - break; - } - - old_cflag = tp->tm.c_cflag; - old_iflag = tp->tm.c_iflag; - old_oflag = tp->tm.c_oflag; - oldcook = PortP->CookMode; - - if ( p->RIOHalted ) { - RIOClearUp( PortP ); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EIO); - return 0; - } - - PortP->FlushCmdBodge = 0; - - /* - ** If the port is locked, and it is reconfigured, we want - ** to restore the state of the tty structure so the change is NOT - ** made. - */ - if (PortP->Lock) { - tp->tm.c_iflag = PortP->StoredTty.iflag; - tp->tm.c_oflag = PortP->StoredTty.oflag; - tp->tm.c_cflag = PortP->StoredTty.cflag; - tp->tm.c_lflag = PortP->StoredTty.lflag; - tp->tm.c_line = PortP->StoredTty.line; - for (i = 0; i < NCC + 1; i++) - tp->tm.c_cc[i] = PortP->StoredTty.cc[i]; - } - else { - /* - ** If the port is set to store the parameters, and it is - ** reconfigured, we want to save the current tty struct so it - ** may be restored on the next open. - */ - if (PortP->Store) { - PortP->StoredTty.iflag = tp->tm.c_iflag; - PortP->StoredTty.oflag = tp->tm.c_oflag; - PortP->StoredTty.cflag = tp->tm.c_cflag; - PortP->StoredTty.lflag = tp->tm.c_lflag; - PortP->StoredTty.line = tp->tm.c_line; - for (i = 0; i < NCC + 1; i++) - PortP->StoredTty.cc[i] = tp->tm.c_cc[i]; - } - } - - changed = (tp->tm.c_cflag != old_cflag) || - (tp->tm.c_iflag != old_iflag) || - (tp->tm.c_oflag != old_oflag); - - PortP->CookMode = RIOCookMode(tp); /* Set new cooking mode */ - - rio_dprintk (RIO_DEBUG_TTY, "RIOIoctl changed %d newcook %d oldcook %d\n", - changed,PortP->CookMode,oldcook); - -#ifdef MODEM_SUPPORT - /* - ** kludge to force CARR_ON if CLOCAL set - */ - if ((tp->tm.c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) { - tp->tm.c_state |= CARR_ON; - wakeup ((caddr_t)&tp->tm.c_canq); - } -#endif - - if ( p->RIOHalted ) { - RIOClearUp( PortP ); - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - pseterr(EIO); - return 0; - } - /* - ** Re-configure if modes or cooking have changed - */ - if (changed || oldcook != PortP->CookMode || (ioctl_processed)) { - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - rio_dprintk (RIO_DEBUG_TTY, "Ioctl changing the PORT settings\n"); - RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP); - rio_spin_lock_irqsave(&PortP->portSem, flags); - } - - if (p->RIOHalted) { - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - RIOClearUp( PortP ); - pseterr(EIO); - return 0; - } - rio_spin_unlock_irqrestore(&PortP->portSem, flags); - return 0; -} - -/* - ttyseth -- set hardware dependent tty settings -*/ -void -ttyseth(PortP, s, sg) -struct Port * PortP; -struct ttystatics * s; -struct old_sgttyb *sg; -{ - struct old_sgttyb * tsg; - struct termios *tp = &s->tm; - - tsg = &s->sg; - - if (sg->sg_flags & (EVENP|ODDP)) { - tp->c_cflag &= PARENB; - if (sg->sg_flags & EVENP) { - if (sg->sg_flags & ODDP) { - tp->c_cflag &= V_CS7; - tp->c_cflag &= ~PARENB; - } - else { - tp->c_cflag &= V_CS7; - tp->c_cflag &= PARENB; - tp->c_cflag &= PARODD; - } - } - else if (sg->sg_flags & ODDP) { - tp->c_cflag &= V_CS7; - tp->c_cflag &= PARENB; - tp->c_cflag &= PARODD; - } - else { - tp->c_cflag &= V_CS7; - tp->c_cflag &= PARENB; - } - } -/* - * Use ispeed as the desired speed. Most implementations don't handle - * separate input and output speeds very well. If the RIO handles this, - * I will have to use separate sets of flags to store them in the - * Port structure. - */ - if ( !sg->sg_ospeed ) - sg->sg_ospeed = sg->sg_ispeed; - else - sg->sg_ispeed = sg->sg_ospeed; - if (sg->sg_ispeed > V_EXTB ) - sg->sg_ispeed = V_EXTB; - if (sg->sg_ispeed < V_B0) - sg->sg_ispeed = V_B0; - *tsg = *sg; - tp->c_cflag = (tp->c_cflag & ~V_CBAUD) | conv_bv[(int)sg->sg_ispeed]; -} - -/* - ttyseth_pv -- set hardware dependent tty settings using either the - POSIX termios structure or the System V termio structure. - sysv = 0 => (POSIX): struct termios *sg - sysv != 0 => (System V): struct termio *sg -*/ -static void -ttyseth_pv(PortP, s, sg, sysv) -struct Port *PortP; -struct ttystatics *s; -struct termios *sg; -int sysv; -{ - int speed; - unsigned char csize; - unsigned char cread; - unsigned int lcr_flags; - int ps; - - if (sysv) { - /* sg points to a System V termio structure */ - csize = ((struct termio *)sg)->c_cflag & CSIZE; - cread = ((struct termio *)sg)->c_cflag & CREAD; - speed = conv_vb[((struct termio *)sg)->c_cflag & V_CBAUD]; - } - else { - /* sg points to a POSIX termios structure */ - csize = sg->c_cflag & CSIZE; - cread = sg->c_cflag & CREAD; - speed = conv_vb[sg->c_cflag & V_CBAUD]; - } - if (s->sg.sg_ispeed != speed || s->sg.sg_ospeed != speed) { - s->sg.sg_ispeed = speed; - s->sg.sg_ospeed = speed; - s->tm.c_cflag = (s->tm.c_cflag & ~V_CBAUD) | - conv_bv[(int)s->sg.sg_ispeed]; - } -} -#endif diff --git a/drivers/char/rio/riotypes.h b/drivers/char/rio/riotypes.h index 1c7c42c638f..9b67e2468be 100644 --- a/drivers/char/rio/riotypes.h +++ b/drivers/char/rio/riotypes.h @@ -89,47 +89,46 @@ typedef RIO_POINTER u_short_ptr; typedef RIO_POINTER ushort_ptr; #endif -#else /* not INKERNEL */ -typedef unsigned char BYTE; -typedef unsigned short WORD; -typedef unsigned long DWORD; -typedef short NUMBER; -typedef short *NUMBER_ptr; -typedef unsigned short *WORD_ptr; -typedef unsigned char *BYTE_ptr; -typedef unsigned char uchar ; -typedef unsigned short ushort ; -typedef unsigned int uint ; -typedef unsigned long ulong ; -typedef unsigned char u_char ; -typedef unsigned short u_short ; -typedef unsigned int u_int ; -typedef unsigned long u_long ; -typedef unsigned short ERROR ; -typedef unsigned long ID ; -typedef char *char_ptr; -typedef Channel *Channel_ptr; +#else /* not INKERNEL */ +typedef unsigned char BYTE; +typedef unsigned short WORD; +typedef unsigned long DWORD; +typedef short NUMBER; +typedef short *NUMBER_ptr; +typedef unsigned short *WORD_ptr; +typedef unsigned char *BYTE_ptr; +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; +typedef unsigned char u_char; +typedef unsigned short u_short; +typedef unsigned int u_int; +typedef unsigned long u_long; +typedef unsigned short ERROR; +typedef unsigned long ID; +typedef char *char_ptr; +typedef Channel *Channel_ptr; typedef struct FREE_LIST *FREE_LIST_ptr; typedef struct FREE_LIST **FREE_LIST_ptr_ptr; -typedef struct LPB *LPB_ptr; -typedef struct Process *Process_ptr; -typedef struct PHB *PHB_ptr; -typedef struct PKT *PKT_ptr; -typedef struct PKT **PKT_ptr_ptr; -typedef struct Q_BUF *Q_BUF_ptr; -typedef struct Q_BUF **Q_BUF_ptr_ptr; +typedef struct LPB *LPB_ptr; +typedef struct Process *Process_ptr; +typedef struct PHB *PHB_ptr; +typedef struct PKT *PKT_ptr; +typedef struct PKT **PKT_ptr_ptr; +typedef struct Q_BUF *Q_BUF_ptr; +typedef struct Q_BUF **Q_BUF_ptr_ptr; typedef struct ROUTE_STR *ROUTE_STR_ptr; -typedef struct RUP *RUP_ptr; -typedef short *short_ptr; -typedef u_short *u_short_ptr; -typedef ushort *ushort_ptr; -typedef struct PKT PKT; -typedef struct LPB LPB; -typedef struct RUP RUP; +typedef struct RUP *RUP_ptr; +typedef short *short_ptr; +typedef u_short *u_short_ptr; +typedef ushort *ushort_ptr; +typedef struct PKT PKT; +typedef struct LPB LPB; +typedef struct RUP RUP; #endif -#endif /* __riotypes__ */ +#endif /* __riotypes__ */ /*********** end of file ***********/ - diff --git a/drivers/char/rio/riowinif.h b/drivers/char/rio/riowinif.h deleted file mode 100644 index 18a4f147edc..00000000000 --- a/drivers/char/rio/riowinif.h +++ /dev/null @@ -1,1335 +0,0 @@ -/************************************************************************/ -/* */ -/* Title : RIO Shared Memory Window Inteface */ -/* */ -/* Author : N.P.Vassallo */ -/* */ -/* Creation : 7th June 1999 */ -/* */ -/* Version : 1.0.0 */ -/* */ -/* Copyright : (c) Specialix International Ltd. 1999 * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ -/* Description : Prototypes, structures and definitions */ -/* describing RIO host card shared memory */ -/* window interface structures: */ -/* PARMMAP */ -/* RUP */ -/* PHB */ -/* LPB */ -/* PKT */ -/* */ -/************************************************************************/ - -/* History... - -1.0.0 07/06/99 NPV Creation. (based on PARMMAP.H) - -*/ - -#ifndef _riowinif_h /* If RIOWINDIF.H not already defined */ -#define _riowinif_h 1 - -/***************************************************************************** -******************************** ********************************* -******************************** General ********************************* -******************************** ********************************* -*****************************************************************************/ - -#define TPNULL ((_u16)(0x8000)) - -/***************************************************************************** -******************************** ******************************** -******************************** PARM_MAP ******************************** -******************************** ******************************** -*****************************************************************************/ - -/* The PARM_MAP structure defines global values relating to the Host Card / RTA - and is the main structure from which all other structures are referenced. */ - -typedef struct _PARM_MAP -{ - _u16 phb_ptr; /* 0x00 Pointer to the PHB array */ - _u16 phb_num_ptr; /* 0x02 Ptr to Number of PHB's */ - _u16 free_list; /* 0x04 Free List pointer */ - _u16 free_list_end; /* 0x06 Free List End pointer */ - _u16 q_free_list_ptr; /* 0x08 Ptr to Q_BUF variable */ - _u16 unit_id_ptr; /* 0x0A Unit Id */ - _u16 link_str_ptr; /* 0x0C Link Structure Array */ - _u16 bootloader_1; /* 0x0E 1st Stage Boot Loader */ - _u16 bootloader_2; /* 0x10 2nd Stage Boot Loader */ - _u16 port_route_map_ptr; /* 0x12 Port Route Map */ - _u16 route_ptr; /* 0x14 Route Map */ - _u16 map_present; /* 0x16 Route Map present */ - _u16 pkt_num; /* 0x18 Total number of packets */ - _u16 q_num; /* 0x1A Total number of Q packets */ - _u16 buffers_per_port; /* 0x1C Number of buffers per port */ - _u16 heap_size; /* 0x1E Initial size of heap */ - _u16 heap_left; /* 0x20 Current Heap left */ - _u16 error; /* 0x22 Error code */ - _u16 tx_max; /* 0x24 Max number of tx pkts per phb */ - _u16 rx_max; /* 0x26 Max number of rx pkts per phb */ - _u16 rx_limit; /* 0x28 For high / low watermarks */ - _u16 links; /* 0x2A Links to use */ - _u16 timer; /* 0x2C Interrupts per second */ - _u16 rups; /* 0x2E Pointer to the RUPs */ - _u16 max_phb; /* 0x30 Mostly for debugging */ - _u16 living; /* 0x32 Just increments!! */ - _u16 init_done; /* 0x34 Initialisation over */ - _u16 booting_link; /* 0x36 */ - _u16 idle_count; /* 0x38 Idle time counter */ - _u16 busy_count; /* 0x3A Busy counter */ - _u16 idle_control; /* 0x3C Control Idle Process */ - _u16 tx_intr; /* 0x3E TX interrupt pending */ - _u16 rx_intr; /* 0x40 RX interrupt pending */ - _u16 rup_intr; /* 0x42 RUP interrupt pending */ - -} PARM_MAP; - -/* Same thing again, but defined as offsets... */ - -#define PM_phb_ptr 0x00 /* 0x00 Pointer to the PHB array */ -#define PM_phb_num_ptr 0x02 /* 0x02 Ptr to Number of PHB's */ -#define PM_free_list 0x04 /* 0x04 Free List pointer */ -#define PM_free_list_end 0x06 /* 0x06 Free List End pointer */ -#define PM_q_free_list_ptr 0x08 /* 0x08 Ptr to Q_BUF variable */ -#define PM_unit_id_ptr 0x0A /* 0x0A Unit Id */ -#define PM_link_str_ptr 0x0C /* 0x0C Link Structure Array */ -#define PM_bootloader_1 0x0E /* 0x0E 1st Stage Boot Loader */ -#define PM_bootloader_2 0x10 /* 0x10 2nd Stage Boot Loader */ -#define PM_port_route_map_ptr 0x12 /* 0x12 Port Route Map */ -#define PM_route_ptr 0x14 /* 0x14 Route Map */ -#define PM_map_present 0x16 /* 0x16 Route Map present */ -#define PM_pkt_num 0x18 /* 0x18 Total number of packets */ -#define PM_q_num 0x1A /* 0x1A Total number of Q packets */ -#define PM_buffers_per_port 0x1C /* 0x1C Number of buffers per port */ -#define PM_heap_size 0x1E /* 0x1E Initial size of heap */ -#define PM_heap_left 0x20 /* 0x20 Current Heap left */ -#define PM_error 0x22 /* 0x22 Error code */ -#define PM_tx_max 0x24 /* 0x24 Max number of tx pkts per phb */ -#define PM_rx_max 0x26 /* 0x26 Max number of rx pkts per phb */ -#define PM_rx_limit 0x28 /* 0x28 For high / low watermarks */ -#define PM_links 0x2A /* 0x2A Links to use */ -#define PM_timer 0x2C /* 0x2C Interrupts per second */ -#define PM_rups 0x2E /* 0x2E Pointer to the RUPs */ -#define PM_max_phb 0x30 /* 0x30 Mostly for debugging */ -#define PM_living 0x32 /* 0x32 Just increments!! */ -#define PM_init_done 0x34 /* 0x34 Initialisation over */ -#define PM_booting_link 0x36 /* 0x36 */ -#define PM_idle_count 0x38 /* 0x38 Idle time counter */ -#define PM_busy_count 0x3A /* 0x3A Busy counter */ -#define PM_idle_control 0x3C /* 0x3C Control Idle Process */ -#define PM_tx_intr 0x3E /* 0x4E TX interrupt pending */ -#define PM_rx_intr 0x40 /* 0x40 RX interrupt pending */ -#define PM_rup_intr 0x42 /* 0x42 RUP interrupt pending */ -#define sizeof_PARM_MAP 0x44 /* structure size = 0x44 */ - -/* PARM_MAP.error definitions... */ -#define E_NO_ERROR 0x00 -#define E_PROCESS_NOT_INIT 0x01 -#define E_LINK_TIMEOUT 0x02 -#define E_NO_ROUTE 0x03 -#define E_CONFUSED 0x04 -#define E_HOME 0x05 -#define E_CSUM_FAIL 0x06 -#define E_DISCONNECTED 0x07 -#define E_BAD_RUP 0x08 -#define E_NO_VIRGIN 0x09 -#define E_BOOT_RUP_BUSY 0x10 -#define E_CHANALLOC 0x80 -#define E_POLL_ALLOC 0x81 -#define E_LTTWAKE 0x82 -#define E_LTT_ALLOC 0x83 -#define E_LRT_ALLOC 0x84 -#define E_CIRRUS 0x85 -#define E_MONITOR 0x86 -#define E_PHB_ALLOC 0x87 -#define E_ARRAY_ALLOC 0x88 -#define E_QBUF_ALLOC 0x89 -#define E_PKT_ALLOC 0x8a -#define E_GET_TX_Q_BUF 0x8b -#define E_GET_RX_Q_BUF 0x8c -#define E_MEM_OUT 0x8d -#define E_MMU_INIT 0x8e -#define E_LTT_INIT 0x8f -#define E_LRT_INIT 0x90 -#define E_LINK_RUN 0x91 -#define E_MONITOR_ALLOC 0x92 -#define E_MONITOR_INIT 0x93 -#define E_POLL_INIT 0x94 - -/* PARM_MAP.links definitions... */ -#define RIO_LINK_ENABLE 0x80FF - -/***************************************************************************** -********************************** *********************************** -********************************** RUP *********************************** -********************************** *********************************** -*****************************************************************************/ - -/* The RUP (Remote Unit Port) structure relates to the Remote Terminal Adapters - attached to the system and there is normally an array of MAX_RUPS (=16) structures - in a host card, defined by PARM_MAP->rup. */ - -typedef struct _RUP -{ - _u16 txpkt; /* 0x00 Outgoing packet */ - _u16 rxpkt; /* 0x02 ncoming packet */ - _u16 link; /* 0x04 Which link to send packet down ? */ - _u8 rup_dest_unit[2]; /* 0x06 Destination Unit */ - _u16 handshake; /* 0x08 Handshaking */ - _u16 timeout; /* 0x0A Timeout */ - _u16 status; /* 0x0C Status */ - _u16 txcontrol; /* 0x0E Transmit control */ - _u16 rxcontrol; /* 0x10 Receive control */ - -} RUP; - -/* Same thing again, but defined as offsets... */ - -#define RUP_txpkt 0x00 /* 0x00 Outgoing packet */ -#define RUP_rxpkt 0x02 /* 0x02 Incoming packet */ -#define RUP_link 0x04 /* 0x04 Which link to send packet down ? */ -#define RUP_rup_dest_unit 0x06 /* 0x06 Destination Unit */ -#define RUP_handshake 0x08 /* 0x08 Handshaking */ -#define RUP_timeout 0x0A /* 0x0A Timeout */ -#define RUP_status 0x0C /* 0x0C Status */ -#define RUP_txcontrol 0x0E /* 0x0E Transmit control */ -#define RUP_rxcontrol 0x10 /* 0x10 Receive control */ -#define sizeof_RUP 0x12 /* structure size = 0x12 */ - -#define MAX_RUP 16 - -/* RUP.txcontrol definitions... */ -#define TX_RUP_INACTIVE 0 /* Nothing to transmit */ -#define TX_PACKET_READY 1 /* Transmit packet ready */ -#define TX_LOCK_RUP 2 /* Transmit side locked */ - -/* RUP.txcontrol definitions... */ -#define RX_RUP_INACTIVE 0 /* Nothing received */ -#define RX_PACKET_READY 1 /* Packet received */ - -#define RUP_NO_OWNER 0xFF /* RUP not owned by any process */ - -/***************************************************************************** -********************************** *********************************** -********************************** PHB *********************************** -********************************** *********************************** -*****************************************************************************/ - -/* The PHB (Port Header Block) structure relates to the serial ports attached - to the system and there is normally an array of MAX_PHBS (=128) structures - in a host card, defined by PARM_MAP->phb_ptr and PARM_MAP->phb_num_ptr. */ - -typedef struct _PHB -{ - _u16 source; /* 0x00 Location of the PHB in the host card */ - _u16 handshake; /* 0x02 Used to manage receive packet flow control */ - _u16 status; /* 0x04 Internal port transmit/receive status */ - _u16 timeout; /* 0x06 Time period to wait for an ACK */ - _u16 link; /* 0x08 The host link associated with the PHB */ - _u16 destination; /* 0x0A Location of the remote port on the network */ - - _u16 tx_start; /* 0x0C first entry in the packet array for transmit packets */ - _u16 tx_end; /* 0x0E last entry in the packet array for transmit packets */ - _u16 tx_add; /* 0x10 position in the packet array for new transmit packets */ - _u16 tx_remove; /* 0x12 current position in the packet pointer array */ - - _u16 rx_start; /* 0x14 first entry in the packet array for receive packets */ - _u16 rx_end; /* 0x16 last entry in the packet array for receive packets */ - _u16 rx_add; /* 0x18 position in the packet array for new receive packets */ - _u16 rx_remove; /* 0x1A current position in the packet pointer array */ - -} PHB; - -/* Same thing again, but defined as offsets... */ - -#define PHB_source 0x00 /* 0x00 Location of the PHB in the host card */ -#define PHB_handshake 0x02 /* 0x02 Used to manage receive packet flow control */ -#define PHB_status 0x04 /* 0x04 Internal port transmit/receive status */ -#define PHB_timeout 0x06 /* 0x06 Time period to wait for an ACK */ -#define PHB_link 0x08 /* 0x08 The host link associated with the PHB */ -#define PHB_destination 0x0A /* 0x0A Location of the remote port on the network */ -#define PHB_tx_start 0x0C /* 0x0C first entry in the packet array for transmit packets */ -#define PHB_tx_end 0x0E /* 0x0E last entry in the packet array for transmit packets */ -#define PHB_tx_add 0x10 /* 0x10 position in the packet array for new transmit packets */ -#define PHB_tx_remove 0x12 /* 0x12 current position in the packet pointer array */ -#define PHB_rx_start 0x14 /* 0x14 first entry in the packet array for receive packets */ -#define PHB_rx_end 0x16 /* 0x16 last entry in the packet array for receive packets */ -#define PHB_rx_add 0x18 /* 0x18 position in the packet array for new receive packets */ -#define PHB_rx_remove 0x1A /* 0x1A current position in the packet pointer array */ -#define sizeof_PHB 0x1C /* structure size = 0x1C */ - -/* PHB.handshake definitions... */ -#define PHB_HANDSHAKE_SET 0x0001 /* Set by LRT */ -#define PHB_HANDSHAKE_RESET 0x0002 /* Set by ISR / driver */ -#define PHB_HANDSHAKE_FLAGS (PHB_HANDSHAKE_RESET|PHB_HANDSHAKE_SET) - /* Reset by ltt */ - -#define MAX_PHB 128 /* range 0-127 */ - -/***************************************************************************** -********************************** *********************************** -********************************** LPB *********************************** -********************************** *********************************** -*****************************************************************************/ - -/* The LPB (Link Parameter Block) structure relates to a RIO Network Link - and there is normally an array of MAX_LINKS (=4) structures in a host card, - defined by PARM_MAP->link_str_ptr. */ - -typedef struct _LPB -{ - _u16 link_number; /* 0x00 Link Number */ - _u16 in_ch; /* 0x02 Link In Channel */ - _u16 out_ch; /* 0x04 Link Out Channel */ - _u8 attached_serial[4]; /* 0x06 Attached serial number */ - _u8 attached_host_serial[4];/* 0x0A Serial number of Host who booted other end */ - _u16 descheduled; /* 0x0E Currently Descheduled */ - _u16 state; /* 0x10 Current state */ - _u16 send_poll; /* 0x12 Send a Poll Packet */ - _u16 ltt_p; /* 0x14 Process Descriptor */ - _u16 lrt_p; /* 0x16 Process Descriptor */ - _u16 lrt_status; /* 0x18 Current lrt status */ - _u16 ltt_status; /* 0x1A Current ltt status */ - _u16 timeout; /* 0x1C Timeout value */ - _u16 topology; /* 0x1E Topology bits */ - _u16 mon_ltt; /* 0x20 */ - _u16 mon_lrt; /* 0x22 */ - _u16 num_pkts; /* 0x24 */ - _u16 add_packet_list; /* 0x26 Add packets to here */ - _u16 remove_packet_list; /* 0x28 Send packets from here */ - - _u16 lrt_fail_chan; /* 0x2A Lrt's failure channel */ - _u16 ltt_fail_chan; /* 0x2C Ltt's failure channel */ - - RUP rup; /* 0x2E RUP structure for HOST to driver comms */ - RUP link_rup; /* 0x40 RUP for the link (POLL, topology etc.) */ - _u16 attached_link; /* 0x52 Number of attached link */ - _u16 csum_errors; /* 0x54 csum errors */ - _u16 num_disconnects; /* 0x56 number of disconnects */ - _u16 num_sync_rcvd; /* 0x58 # sync's received */ - _u16 num_sync_rqst; /* 0x5A # sync requests */ - _u16 num_tx; /* 0x5C Num pkts sent */ - _u16 num_rx; /* 0x5E Num pkts received */ - _u16 module_attached; /* 0x60 Module tpyes of attached */ - _u16 led_timeout; /* 0x62 LED timeout */ - _u16 first_port; /* 0x64 First port to service */ - _u16 last_port; /* 0x66 Last port to service */ - -} LPB; - -/* Same thing again, but defined as offsets... */ - -#define LPB_link_number 0x00 /* 0x00 Link Number */ -#define LPB_in_ch 0x02 /* 0x02 Link In Channel */ -#define LPB_out_ch 0x04 /* 0x04 Link Out Channel */ -#define LPB_attached_serial 0x06 /* 0x06 Attached serial number */ -#define LPB_attached_host_serial 0x0A /* 0x0A Serial number of Host who booted other end */ -#define LPB_descheduled 0x0E /* 0x0E Currently Descheduled */ -#define LPB_state 0x10 /* 0x10 Current state */ -#define LPB_send_poll 0x12 /* 0x12 Send a Poll Packet */ -#define LPB_ltt_p 0x14 /* 0x14 Process Descriptor */ -#define LPB_lrt_p 0x16 /* 0x16 Process Descriptor */ -#define LPB_lrt_status 0x18 /* 0x18 Current lrt status */ -#define LPB_ltt_status 0x1A /* 0x1A Current ltt status */ -#define LPB_timeout 0x1C /* 0x1C Timeout value */ -#define LPB_topology 0x1E /* 0x1E Topology bits */ -#define LPB_mon_ltt 0x20 /* 0x20 */ -#define LPB_mon_lrt 0x22 /* 0x22 */ -#define LPB_num_pkts 0x24 /* 0x24 */ -#define LPB_add_packet_list 0x26 /* 0x26 Add packets to here */ -#define LPB_remove_packet_list 0x28 /* 0x28 Send packets from here */ -#define LPB_lrt_fail_chan 0x2A /* 0x2A Lrt's failure channel */ -#define LPB_ltt_fail_chan 0x2C /* 0x2C Ltt's failure channel */ -#define LPB_rup 0x2E /* 0x2E RUP structure for HOST to driver comms */ -#define LPB_link_rup 0x40 /* 0x40 RUP for the link (POLL, topology etc.) */ -#define LPB_attached_link 0x52 /* 0x52 Number of attached link */ -#define LPB_csum_errors 0x54 /* 0x54 csum errors */ -#define LPB_num_disconnects 0x56 /* 0x56 number of disconnects */ -#define LPB_num_sync_rcvd 0x58 /* 0x58 # sync's received */ -#define LPB_num_sync_rqst 0x5A /* 0x5A # sync requests */ -#define LPB_num_tx 0x5C /* 0x5C Num pkts sent */ -#define LPB_num_rx 0x5E /* 0x5E Num pkts received */ -#define LPB_module_attached 0x60 /* 0x60 Module tpyes of attached */ -#define LPB_led_timeout 0x62 /* 0x62 LED timeout */ -#define LPB_first_port 0x64 /* 0x64 First port to service */ -#define LPB_last_port 0x66 /* 0x66 Last port to service */ -#define sizeof_LPB 0x68 /* structure size = 0x68 */ - -#define LINKS_PER_UNIT 4 /* number of links from a host */ - -/***************************************************************************** -******************************** ******************************* -******************************** FREE_LIST ******************************* -******************************** ******************************* -*****************************************************************************/ - -/* Used to overlay packet headers when allocating/freeing packets from the free list */ - -typedef struct _FREE_LIST -{ - _u16 next; /* 0x00 offset of next list item */ - _u16 prev; /* 0x02 offset of previous list item */ - -} FREE_LIST; - -/* Same thing again, but defined as offsets... */ - -#define FL_next 0x00 /* 0x00 offset of next list item */ -#define FL_prev 0x02 /* 0x02 offset of previous list item */ - -/***************************************************************************** -********************************** *********************************** -********************************** PKT *********************************** -********************************** *********************************** -*****************************************************************************/ - -/* The PKT is the main unit of communication between Host Cards and RTAs across - the RIO network. */ - -#define PKT_MAX_DATA_LEN 72 /* Size of packet data */ - -typedef struct _PKT -{ - _u8 dest_unit; /* 0x00 Destination Unit Id */ - _u8 dest_port; /* 0x01 Destination Port */ - _u8 src_unit; /* 0x02 Source Unit Id */ - _u8 src_port; /* 0x03 Source Port */ - _u8 len; /* 0x04 Length (in bytes) of data field */ - _u8 control; /* 0x05 */ - _u8 data[PKT_MAX_DATA_LEN]; /* 0x06 Actual data */ - _u16 csum; /* 0x4E C-SUM */ - -} PKT; - -/* Same thing again, but defined as offsets... */ - -#define PKT_dest_unit 0x00 /* 0x00 Destination Unit Id */ -#define PKT_dest_port 0x01 /* 0x01 Destination Port */ -#define PKT_src_unit 0x02 /* 0x02 Source Unit Id */ -#define PKT_src_port 0x03 /* 0x03 Source Port */ -#define PKT_len 0x04 /* 0x04 Length (in bytes) of data field */ -#define PKT_control 0x05 /* 0x05 */ -#define PKT_data 0x06 /* 0x06 Actual data */ -#define PKT_csum 0x4E /* 0x4E C-SUM */ -#define sizeof_PKT 0x50 /* structure size = 0x50 */ - -/* PKT.len definitions... */ -#define PKT_CMD_BIT 0x80 -#define PKT_CMD_DATA 0x80 -#define PKT_LEN_MASK 0x7F - -/* PKT.control definitions... */ -#define PKT_ACK 0x40 -#define PKT_TGL 0x20 -#define DATA_WNDW 0x10 -#define PKT_TTL_MASK 0x0F -#define MAX_TTL 0x0F - -/***************************************************************************** -***************************** **************************** -***************************** Control Packets **************************** -***************************** **************************** -*****************************************************************************/ - -/* The following definitions and structures define the control packets sent - between the driver and RIO Ports, RTAs and Host Cards. */ - -#define PRE_EMPTIVE 0x80 /* Pre-emptive command (sent via port's RUP) */ - -/* "in-band" and "pre-emptive" port commands... */ -#define OPEN 0x00 /* Driver->RIO Open a port */ -#define CONFIG 0x01 /* Driver->RIO Configure a port */ -#define MOPEN 0x02 /* Driver->RIO Modem open (wait for DCD) */ -#define CLOSE 0x03 /* Driver->RIO Close a port */ -#define WFLUSH (0x04|PRE_EMPTIVE) /* Driver->RIO Write flush */ -#define RFLUSH (0x05|PRE_EMPTIVE) /* Driver->RIO Read flush */ -#define RESUME (0x06|PRE_EMPTIVE) /* Driver->RIO Behave as if XON received */ -#define SBREAK 0x07 /* Driver->RIO Start break */ -#define EBREAK 0x08 /* Driver->RIO End break */ -#define SUSPEND (0x09|PRE_EMPTIVE) /* Driver->RIO Behave as if XOFF received */ -#define FCLOSE (0x0A|PRE_EMPTIVE) /* Driver->RIO Force close */ -#define XPRINT 0x0B /* Driver->RIO Xprint packet */ -#define MBIS (0x0C|PRE_EMPTIVE) /* Driver->RIO Set modem lines */ -#define MBIC (0x0D|PRE_EMPTIVE) /* Driver->RIO Clear modem lines */ -#define MSET (0x0E|PRE_EMPTIVE) /* Driver->RIO Set modem lines */ -#define PCLOSE 0x0F /* Driver->RIO Pseudo close */ -#define MGET (0x10|PRE_EMPTIVE) /* Driver->RIO Force update of modem status */ -#define MEMDUMP (0x11|PRE_EMPTIVE) /* Driver->RIO DEBUG request for RTA memory */ -#define READ_REGISTER (0x12|PRE_EMPTIVE) /* Driver->RIO DEBUG read CD1400 register */ - -/* Remote Unit Port (RUP) packet definitions... (specified in PKT.dest_unit and PKT.src_unit) */ -#define SYNC_RUP 0xFF /* Download internal */ -#define COMMAND_RUP 0xFE /* Command ack/status */ -#define ERROR_RUP 0xFD /* Download internal */ -#define POLL_RUP 0xFC /* Download internal */ -#define BOOT_RUP 0xFB /* Used to boot RTAs */ -#define ROUTE_RUP 0xFA /* Used to specify routing/topology */ -#define STATUS_RUP 0xF9 /* Not used */ -#define POWER_RUP 0xF8 /* Download internal */ - -/* COMMAND_RUP definitions... */ -#define COMPLETE (0x20|PRE_EMPTIVE) /* RIO->Driver Command complete */ -#define BREAK_RECEIVED (0x21|PRE_EMPTIVE) /* RIO->Driver Break received */ -#define MODEM_STATUS (0x22|PRE_EMPTIVE) /* RIO->Driver Modem status change */ - -/* BOOT_RUP definitions... */ -#define BOOT_REQUEST 0x00 /* RIO->Driver Request for boot */ -#define BOOT_ABORT 0x01 /* Driver->RIO Abort a boot */ -#define BOOT_SEQUENCE 0x02 /* Driver->RIO Packet with firmware details */ -#define BOOT_COMPLETED 0x03 /* RIO->Driver Boot completed */ -#define IFOAD 0x2F /* Driver->RIO Shutdown/Reboot RTA (Fall Over And Die) */ -#define IDENTIFY 0x30 /* Driver->RIO Identify RTA */ -#define ZOMBIE 0x31 /* Driver->RIO Shutdown/Flash LEDs */ -#define UFOAD 0x32 /* Driver->RIO Shutdown/Reboot neighbouring RTA */ -#define IWAIT 0x33 /* Driver->RIO Pause booting process */ - -/* ROUTE_RUP definitions... */ -#define ROUTE_REQUEST 0x00 /* RIO->Driver Request an ID */ -#define ROUTE_FOAD 0x01 /* Driver->RIO Shutdown/reboot RTA */ -#define ROUTE_ALREADY 0x02 /* Driver->RIO Not used */ -#define ROUTE_USED 0x03 /* Driver->RIO Not used */ -#define ROUTE_ALLOCATE 0x04 /* Driver->RIO Allocate RTA RUP numbers */ -#define ROUTE_REQ_TOP 0x05 /* Driver->RIO Not used */ -#define ROUTE_TOPOLOGY 0x06 /* RIO->Driver Route/Topology status */ - -/***************************************************************************** -********************************** ********************************** -********************************** OPEN ********************************** -********************************** ********************************** -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - Sent to open a port. - Structure of configuration info used with OPEN, CONFIG and MOPEN packets... */ - -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_Cor1 (PKT_Data+1) /* Channel Option Register 1 */ -#define PKT_Cor2 (PKT_Data+2) /* Channel Option Register 2 */ -#define PKT_Cor4 (PKT_Data+3) /* Channel Option Register 4 */ -#define PKT_Cor5 (PKT_Data+4) /* Channel Option Register 5 */ -#define PKT_TxXon (PKT_Data+5) /* Transmit XON character */ -#define PKT_TxXoff (PKT_Data+6) /* Transmit XOFF character */ -#define PKT_RxXon (PKT_Data+7) /* Receive XON character */ -#define PKT_RxXoff (PKT_Data+8) /* Receive XOFF character */ -#define PKT_Lnext (PKT_Data+9) /* Lnext character */ -#define PKT_TxBaud (PKT_Data+10) /* Transmit baud rate */ -#define PKT_RxBaud (PKT_Data+11) /* Receive baud rate */ - -/* COR1 definitions... */ -#define COR1_PARITY 0xE0 /* Parity mask */ -#define COR1_NONE 0x00 /* No parity */ -#define COR1_SPACE 0x20 /* Space parity */ -#define COR1_EVEN 0x40 /* Even parity */ -#define COR1_MARK 0xA0 /* Mark parity */ -#define COR1_ODD 0xC0 /* Odd parity */ - -#define COR1_STOPBITS 0x0C /* Stop bits mask */ -#define COR1_STOP1 0x00 /* 1 stop bit */ -#define COR1_STOP1_5 0x04 /* 1.5 stop bits */ -#define COR1_STOP2 0x08 /* 2 stop bits */ - -#define COR1_DATABITS 0x03 /* Data bits mask */ -#define COR1_DATA5 0x00 /* 5 data bits */ -#define COR1_DATA6 0x01 /* 6 data bits */ -#define COR1_DATA7 0x02 /* 7 data bits */ -#define COR1_DATA8 0x03 /* 8 data bits */ - -/* COR2 definitions... */ -#define COR2_XON_TXFLOW 0x40 /* XON/XOFF Transmit Flow */ -#define COR2_XANY_TXFLOW 0xC0 /* XON/XANY Transmit Flow */ -#define COR2_HUPCL 0x20 /* Hang Up On Close */ -#define COR2_DSR_TXFLOW 0x08 /* DSR Transmit Flow Control */ -#define COR2_RTS_RXFLOW 0x04 /* RTS Receive Flow Control */ -#define COR2_CTS_TXFLOW 0x02 /* CTS Transmit Flow Control */ -#define COR2_XON_RXFLOW 0x01 /* XON/XOFF Receive Flow */ - -/* COR4 definition... */ -#define COR4_IGNCR 0x80 /* Discard received CR */ -#define COR4_ICRNL 0x40 /* Map received CR -> NL */ -#define COR4_INLCR 0x20 /* Map received NL -> CR */ -#define COR4_IGNBRK 0x10 /* Ignore Received Break */ -#define COR4_NBRKINT 0x08 /* No interrupt on rx Break */ -#define COR4_IGNPAR 0x04 /* ignore rx parity error chars */ -#define COR4_PARMRK 0x02 /* Mark rx parity error chars */ -#define COR4_RAISEMOD 0x01 /* Raise modem lines on !0 baud */ - -/* COR5 definitions... */ -#define COR5_ISTRIP 0x80 /* Strip input chars to 7 bits */ -#define COR5_LNE 0x40 /* Enable LNEXT processing */ -#define COR5_CMOE 0x20 /* Match good & error characters */ -#define COR5_TAB3 0x10 /* TAB3 mode */ -#define COR5_TSTATE_ON 0x08 /* Enable tbusy/tstop monitoring */ -#define COR5_TSTATE_OFF 0x04 /* Disable tbusy/tstop monitoring */ -#define COR5_ONLCR 0x02 /* NL -> CR NL on output */ -#define COR5_OCRNL 0x01 /* CR -> NL on output */ - -/* RxBaud and TxBaud definitions... */ -#define RIO_B0 0x00 /* RTS / DTR signals dropped */ -#define RIO_B50 0x01 /* 50 baud */ -#define RIO_B75 0x02 /* 75 baud */ -#define RIO_B110 0x03 /* 110 baud */ -#define RIO_B134 0x04 /* 134.5 baud */ -#define RIO_B150 0x05 /* 150 baud */ -#define RIO_B200 0x06 /* 200 baud */ -#define RIO_B300 0x07 /* 300 baud */ -#define RIO_B600 0x08 /* 600 baud */ -#define RIO_B1200 0x09 /* 1200 baud */ -#define RIO_B1800 0x0A /* 1800 baud */ -#define RIO_B2400 0x0B /* 2400 baud */ -#define RIO_B4800 0x0C /* 4800 baud */ -#define RIO_B9600 0x0D /* 9600 baud */ -#define RIO_B19200 0x0E /* 19200 baud */ -#define RIO_B38400 0x0F /* 38400 baud */ -#define RIO_B56000 0x10 /* 56000 baud */ -#define RIO_B57600 0x11 /* 57600 baud */ -#define RIO_B64000 0x12 /* 64000 baud */ -#define RIO_B115200 0x13 /* 115200 baud */ -#define RIO_B2000 0x14 /* 2000 baud */ - -/***************************************************************************** -********************************* ********************************* -********************************* CONFIG ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - CONFIG is sent from the driver to configure an already opened port. - Packet structure is same as OPEN. */ - -/***************************************************************************** -********************************* ********************************** -********************************* MOPEN ********************************** -********************************* ********************************** -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - MOPEN is sent from the driver to open a port attached to a modem. (in-band) - Packet structure is same as OPEN. */ - -/***************************************************************************** -********************************* ********************************** -********************************* CLOSE ********************************** -********************************* ********************************** -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - CLOSE is sent from the driver to close a previously opened port. - No parameters. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -/***************************************************************************** -********************************* ********************************* -********************************* WFLUSH ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - WFLUSH is sent pre-emptively from the driver to flush the write buffers and - packets of a port. (pre-emptive) - - WFLUSH is also sent in-band from the driver to a port as a marker to end - write flushing previously started by a pre-emptive WFLUSH packet. (in-band) - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ - -/***************************************************************************** -********************************* ********************************* -********************************* RFLUSH ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - RFLUSH is sent pre-emptively from the driver to flush the read buffers and - packets of a port. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -/***************************************************************************** -********************************* ********************************* -********************************* RESUME ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - RESUME is sent pre-emptively from the driver to cause a port to resume - transmission of data if blocked by XOFF. (as if XON had been received) - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -/***************************************************************************** -********************************* ********************************* -********************************* SBREAK ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - SBREAK is sent in-band from the driver to a port to suspend data and start - break signal transmission. - - If the break delay is 0, the break signal will be acknowledged with a - RUP_COMMAND, COMPLETE packet and continue until an EBREAK packet is received. - - Otherwise, there is no acknowledgement and the break signal will last for the - specified number of mS. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_BreakDelay (PKT_Data+1) /* Break delay in mS */ - -/***************************************************************************** -********************************* ********************************* -********************************* EBREAK ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - EBREAK is sent in-band from the driver to a port to stop transmission of a - break signal. - - No parameters. */ - -/***************************************************************************** -********************************* ******************************** -********************************* SUSPEND ******************************** -********************************* ******************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - SUSPEND is sent pre-emptively from the driver to cause a port to suspend - transmission of data. (as if XOFF had been received) - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -/***************************************************************************** -********************************* ********************************* -********************************* FCLOSE ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - FCLOSE is sent pre-emptively from the driver to force close a port. - A force close flushes receive and transmit queues, and also lowers all output - modem signals if the COR5_HUPCL (Hang Up On Close) flag is set. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -/***************************************************************************** -********************************* ********************************* -********************************* XPRINT ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - XPRINT is sent as a normal I/O data packet except that the PKT_CMD_BIT of - the "len" field is set, and the first "data" byte is XPRINT. - - The I/O data in the XPRINT packet will contain the following: - - Transparent Print Start Sequence - - Transparent Print Data - - Transparent Print Stop Sequence. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -/***************************************************************************** -********************************** ********************************** -********************************** MBIS ********************************** -********************************** ********************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - MBIS is sent pre-emptively from the driver to set a port's modem signals. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif -#define PKT_ModemSet (PKT_Data+4) /* Modem set signals mask */ - -/* ModemSet definitions... */ -#define MBIS_RTS 0x01 /* RTS modem signal */ -#define MBIS_DTR 0x02 /* DTR modem signal */ - -/***************************************************************************** -********************************** ********************************** -********************************** MBIC ********************************** -********************************** ********************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - MBIC is sent pre-emptively from the driver to clear a port's modem signals. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -#define PKT_ModemClear (PKT_Data+4) /* Modem clear signals mask */ - -/* ModemClear definitions... */ -#define MBIC_RTS 0x01 /* RTS modem signal */ -#define MBIC_DTR 0x02 /* DTR modem signal */ - -/***************************************************************************** -********************************** ********************************** -********************************** MSET ********************************** -********************************** ********************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - MSET is sent pre-emptively from the driver to set/clear a port's modem signals. */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#endif - -#define PKT_ModemSet (PKT_Data+4) /* Modem set signals mask */ - -/* ModemSet definitions... */ -#define MSET_RTS 0x01 /* RTS modem signal */ -#define MSET_DTR 0x02 /* DTR modem signal */ - -/***************************************************************************** -********************************* ********************************* -********************************* PCLOSE ********************************* -********************************* ********************************* -*****************************************************************************/ - -/* (Driver->RIO,in-band) - - PCLOSE is sent from the driver to pseudo close a previously opened port. - - The port will close when all data has been sent/received, however, the - port's transmit / receive and modem signals will be left enabled and the - port marked internally as Pseudo Closed. */ - -#define PKT_Cmd (PKT_Data+0) /* Command code */ - -/***************************************************************************** -********************************** ********************************** -********************************** MGET ********************************** -********************************** ********************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - MGET is sent pre-emptively from the driver to request the port's current modem signals. */ - -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ - -/***************************************************************************** -********************************* ******************************** -********************************* MEMDUMP ******************************** -********************************* ******************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - MEMDUMP is sent pre-emptively from the driver to request a dump of 32 bytes - of the specified port's RTA address space. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ -#define PKT_Address (PKT_Data+6) /* Requested address */ - -/***************************************************************************** -****************************** ***************************** -****************************** READ_REGISTER ***************************** -****************************** ***************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - READ_REGISTER is sent pre-emptively from the driver to request the contents - of the CD1400 register specified in address. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ -#define PKT_Address (PKT_Data+6) /* Requested address */ - -/***************************************************************************** -************************ ************************** -************************ COMMAND_RUP - COMPLETE ************************** -************************ ************************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - COMPLETE is sent in response to all port I/O control command - packets, except MEMDUMP and READ_REGISTER. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#define PKT_ModemStatus (PKT_Data+3) /* Modem signal status */ -#define PKT_PortStatus (PKT_Data+4) /* Port signal status */ -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ - -/* ModemStatus definitions... */ -#define MODEM_DSR 0x80 /* Data Set Ready modem state */ -#define MODEM_CTS 0x40 /* Clear To Send modem state */ -#define MODEM_RI 0x20 /* Ring Indicate modem state */ -#define MODEM_CD 0x10 /* Carrier Detect modem state */ -#define MODEM_TSTOP 0x08 /* Transmit Stopped state */ -#define MODEM_TEMPTY 0x04 /* Transmit Empty state */ -#define MODEM_DTR 0x02 /* DTR modem output state */ -#define MODEM_RTS 0x01 /* RTS modem output state */ - -/* PortStatus definitions... */ -#define PORT_ISOPEN 0x01 /* Port open ? */ -#define PORT_HUPCL 0x02 /* Hangup on close? */ -#define PORT_MOPENPEND 0x04 /* Modem open pending */ -#define PORT_ISPARALLEL 0x08 /* Parallel port */ -#define PORT_BREAK 0x10 /* Port on break */ -#define PORT_STATUSPEND 0020 /* Status packet pending */ -#define PORT_BREAKPEND 0x40 /* Break packet pending */ -#define PORT_MODEMPEND 0x80 /* Modem status packet pending */ - -/***************************************************************************** -************************ ************************** -************************ COMMAND_RUP - COMPLETE ************************** -************************ ************************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - COMPLETE is sent in response to all port I/O control command - packets, except MEMDUMP and READ_REGISTER. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#endif -#define PKT_ModemStatus (PKT_Data+3) /* Modem signal status */ -#define PKT_PortStatus (PKT_Data+4) /* Port signal status */ -#if 0 -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ -#endif - -/* ModemStatus definitions... */ -#define MODEM_DSR 0x80 /* Data Set Ready modem state */ -#define MODEM_CTS 0x40 /* Clear To Send modem state */ -#define MODEM_RI 0x20 /* Ring Indicate modem state */ -#define MODEM_CD 0x10 /* Carrier Detect modem state */ -#define MODEM_TSTOP 0x08 /* Transmit Stopped state */ -#define MODEM_TEMPTY 0x04 /* Transmit Empty state */ -#define MODEM_DTR 0x02 /* DTR modem output state */ -#define MODEM_RTS 0x01 /* RTS modem output state */ - -/* PortStatus definitions... */ -#define PORT_ISOPEN 0x01 /* Port open ? */ -#define PORT_HUPCL 0x02 /* Hangup on close? */ -#define PORT_MOPENPEND 0x04 /* Modem open pending */ -#define PORT_ISPARALLEL 0x08 /* Parallel port */ -#define PORT_BREAK 0x10 /* Port on break */ -#define PORT_STATUSPEND 0020 /* Status packet pending */ -#define PORT_BREAKPEND 0x40 /* Break packet pending */ -#define PORT_MODEMPEND 0x80 /* Modem status packet pending */ - -/***************************************************************************** -******************** ******************** -******************** COMMAND_RUP - COMPLETE - MEMDUMP ******************** -******************** ******************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - COMPLETE - MEMDUMP is sent as an acknowledgement for a MEMDUMP - port I/O control command packet. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#define PKT_ModemStatus (PKT_Data+3) /* Modem signal status */ -#define PKT_PortStatus (PKT_Data+4) /* Port signal status */ -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ -#define PKT_Address (PKT_Data+6) /* Requested address */ -#endif -#define PKT_Dump (PKT_Data+8) /* 32bytes of requested dump data */ - -/***************************************************************************** -***************** ***************** -***************** COMMAND_RUP - COMPLETE - READ_REGISTER ***************** -***************** ***************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - COMPLETE - READ_REGISTER is sent as an acknowledgement for a - READ_REGISTER port I/O control command packet. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /*Command code */ -#define PKT_PhbNum (PKT_Data+1) /*Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#endif -#define PKT_RegisterValue (PKT_Data+3) /* Modem signal status */ -#if 0 -#define PKT_PortStatus (PKT_Data+4) /* Port signal status */ -#define PKT_SubCmd (PKT_Data+5) /* Sub Command */ -#endif - -/***************************************************************************** -********************* *********************** -********************* COMMAND_RUP - BREAK_RECEIVED *********************** -********************* *********************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - BREAK_RECEIVED packets are sent when the port detects a receive BREAK signal. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#endif - -/***************************************************************************** -********************* ************************* -********************* COMMAND_RUP - MODEM_STATUS ************************* -********************* ************************* -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - COMMAND_RUP - MODEM_STATUS packets are sent whenever the port detects a - change in the input modem signal states. - - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_PhbNum (PKT_Data+1) /* Port number wrt RTA */ -#define PKT_Cmd2 (PKT_Data+2) /* Command code copy */ -#define PKT_ModemStatus (PKT_Data+3) /* Modem signal status */ -#endif - -/***************************************************************************** -************************ ************************* -************************ BOOT_RUP - BOOT_REQUEST ************************* -************************ ************************* -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - BOOT_RUP - BOOT_REQUEST packets are sent to the Driver from RIO to request - firmware code to load onto attached RTAs. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif - -/***************************************************************************** -************************ ************************ -************************ BOOT_RUP - BOOT_SEQUENCE ************************ -************************ ************************ -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - BOOT_SEQUENCE packets are sent from the Driver to RIO in response - to a BOOT_RUP - BOOT_REQUEST packet. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_NumPackets (PKT_Data+2) /* Packets required to load firmware */ -#define PKT_LoadBase (PKT_Data+4) /* RTA firmware load address */ -#define PKT_CodeSize (PKT_Data+6) /* Size of firmware in bytes */ -#define PKT_CmdString (PKT_Data+8) /* Command string */ - -/***************************************************************************** -************************ *********************** -************************ BOOT_RUP - BOOT_COMPLETED *********************** -************************ *********************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - BOOT_RUP - BOOT_COMPLETE is sent to the Driver from RIO when downloading of - RTA firmware has completed. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_LinkNumber (PKT_Data+1) /* Link number RTA booted on */ -#define PKT_SerialNumber (PKT_Data+2) /* 4 byte serial number */ - -/***************************************************************************** -************************ *********************** -************************ BOOT_RUP - Packet Request *********************** -************************ *********************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - BOOT_RUP packet without the PKT_CMD_BIT set in the PKT->len field is sent - from RIO to the Driver as a request for a firmware boot packet. */ - -#define PKT_SequenceNumber (PKT_Data+0) /* Packet sequence number */ - -/***************************************************************************** -*********************** *********************** -*********************** BOOT_RUP - Packet Response *********************** -*********************** *********************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - In response to a BOOT_RUP boot packet request, the driver fills out the response - packet with the 70 bytes of the requested sequence. - */ -#if 0 -#define PKT_SequenceNumber (PKT_Data+0) /* Packet sequence number */ -#endif -#define PKT_FirmwarePacket (PKT_Data+2) /* Firmware packet */ - -/***************************************************************************** -**************************** **************************** -**************************** BOOT_RUP - IFOAD **************************** -**************************** **************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - IFOAD packets are sent from the Driver to an RTA to cause the - RTA to shut down and reboot. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_IfoadId1 (PKT_Data+2) /* IFOAD Id 1 */ -#define PKT_IfoadId2 (PKT_Data+3) /* IFOAD Id 2 */ - -#define IFOADID1 0xAD -#define IFOADID2 0xF0 - -/***************************************************************************** -************************** *************************** -************************** BOOT_RUP - IDENTIFY *************************** -************************** *************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - IDENTIFY packets are sent from the Driver to an RTA to cause the - RTA to flash its LEDs for a period of time. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_IdentifyId (PKT_Data+2) /* defines pattern to flash */ - -/***************************************************************************** -**************************** *************************** -**************************** BOOT_RUP - ZOMBIE *************************** -**************************** *************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - ZOMBIE packets are sent from the Driver to an RTA to cause the - RTA to shut down and flash it's LEDs. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_ZombieId1 (PKT_Data+2) /* ZOMBIE Id 1 */ -#define PKT_ZombieId2 (PKT_Data+3) /* ZOMBIE Id 2 */ - -#define ZOMBIEID1 0x52 -#define ZOMBIEID2 0x21 - -/***************************************************************************** -**************************** **************************** -**************************** BOOT_RUP - UFOAD **************************** -**************************** **************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - UFOAD packets are sent from the Driver to an RTA to cause the RTA - to ask it's neighbouring RTA to shut down and reboot. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_LinkNumber (PKT_Data+1) /* Link number of RTA to UFOAD */ -#endif -#define PKT_UfoadId1 (PKT_Data+2) /* UFOAD Id 1 */ -#define PKT_UfoadId2 (PKT_Data+3) /* UFOAD Id 2 */ - -#define UFOADID1 0x1E -#define UFOADID2 0x0D - -/***************************************************************************** -**************************** **************************** -**************************** BOOT_RUP - IWAIT **************************** -**************************** **************************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - BOOT_RUP - IWAIT packets are sent from the Driver to an RTA to cause the RTA - to pause booting on the specified link for 30 seconds. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#define PKT_LinkNumber (PKT_Data+1) /* Link number of RTA to UFOAD */ -#endif -#define PKT_IwaitId1 (PKT_Data+2) /* IWAIT Id 1 */ -#define PKT_IwaitId2 (PKT_Data+3) /* IWAIT Id 2 */ - -#define IWAITID1 0xDE -#define IWAITID2 0xB1 - -/***************************************************************************** -************************ *********************** -************************ ROUTE_RUP - ROUTE_REQUEST *********************** -************************ *********************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - ROUTE_RUP - ROUTE_REQUEST packets are sent from a newly booted or connected - RTA to a Driver to request an ID (RUP or unit number). - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_SerialNumber (PKT_Data+2) /* 4 byte serial number */ -#define PKT_ModuleTypes (PKT_Data+6) /* RTA Module types */ - -/* ModuleTypes definitions... */ -#define MOD_BLANK 0x0F /* Blank plate attached */ -#define MOD_RS232DB25 0x00 /* RS232 DB25 connector */ -#define MOD_RS232RJ45 0x01 /* RS232 RJ45 connector */ -#define MOD_RS422DB25 0x02 /* RS422 DB25 connector */ -#define MOD_RS485DB25 0x03 /* RS485 DB25 connector */ -#define MOD_PARALLEL 0x04 /* Centronics parallel */ - -#define MOD2 0x08 /* Set to indicate Rev2 module */ - -/***************************************************************************** -************************* ************************* -************************* ROUTE_RUP - ROUTE_FOAD ************************* -************************* ************************* -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - ROUTE_RUP - ROUTE_FOAD packet is sent as a response to a ROUTE_RUP - ROUTE_REQUEST - packet to cause the RTA to "Fall Over And Die"., i.e. shutdown and reboot. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_RouteCmdString (PKT_Data+2) /* Command string */ - -/***************************************************************************** -*********************** *********************** -*********************** ROUTE_RUP - ROUTE_ALLOCATE *********************** -*********************** *********************** -*****************************************************************************/ - -/* (Driver->RIO,pre-emptive) - - ROUTE_RUP - ROUTE_ALLOCATE packet is sent as a response to a ROUTE_RUP - ROUTE_REQUEST - packet to allocate the RTA's Id number (RUP number 1..16) - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_IdNum (PKT_Data+1) /* RUP number for ports 1..8 */ -#if 0 -#define PKT_RouteCmdString (PKT_Data+2) /* Command string */ -#endif -#define PKT_IdNum2 (PKT_Data+0x17) /* RUP number for ports 9..16 */ - -/***************************************************************************** -*********************** *********************** -*********************** ROUTE_RUP - ROUTE_TOPOLOGY *********************** -*********************** *********************** -*****************************************************************************/ - -/* (RIO->Driver,pre-emptive) - - ROUTE_RUP - ROUTE_TOPOLOGY packet is sent to inform the driver of an RTA's - current link status. - */ -#if 0 -#define PKT_Cmd (PKT_Data+0) /* Command code */ -#endif -#define PKT_Link1Rup (PKT_Data+2) /* Link 1 RUP number */ -#define PKT_Link1Link (PKT_Data+3) /* Link 1 link number */ -#define PKT_Link2Rup (PKT_Data+4) /* Link 2 RUP number */ -#define PKT_Link2Link (PKT_Data+5) /* Link 2 link number */ -#define PKT_Link3Rup (PKT_Data+6) /* Link 3 RUP number */ -#define PKT_Link3Link (PKT_Data+7) /* Link 3 link number */ -#define PKT_Link4Rup (PKT_Data+8) /* Link 4 RUP number */ -#define PKT_Link4Link (PKT_Data+9) /* Link 4 link number */ -#define PKT_RtaVpdProm (PKT_Data+10) /* 32 bytes of RTA VPD PROM Contents */ - -#endif /* _sxwinif_h */ - -/* End of RIOWINIF.H */ diff --git a/drivers/char/rio/riscos.h b/drivers/char/rio/riscos.h deleted file mode 100644 index 7685cc1d9e7..00000000000 --- a/drivers/char/rio/riscos.h +++ /dev/null @@ -1,63 +0,0 @@ -/* -** ----------------------------------------------------------------------------- -** -** Perle Specialix driver for Linux -** Ported from existing RIO Driver for SCO sources. - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -** -** Module : riscos.h -** SID : 1.2 -** Last Modified : 11/6/98 11:34:19 -** Retrieved : 11/6/98 11:34:22 -** -** ident @(#)riscos.h 1.2 -** -** ----------------------------------------------------------------------------- -*/ - -#ifndef __rio_riscos_h__ -#define __rio_riscos_h__ - -#ifdef SCCS_LABELS -static char *_riscos_h_sccs_ = "@(#)riscos.h 1.2"; -#endif - -/* -** This module used to define all those little itsy bits required for RISC/OS -** now it's full of null macros. -*/ - -/* -** RBYTE reads a byte from a location. -** RWORD reads a word from a location. -** WBYTE writes a byte to a location. -** WWORD writes a word to a location. -** RINDW reads a word through a pointer. -** WINDW writes a word through a pointer. -** RIOSWAB swaps the two bytes of a word, if needed. -*/ - -#define RIOSWAB(N) (N) -#define WBYTE(A,V) (A)=(uchar)(V) -#define WWORD(A,V) (A)=(ushort)(V) -#define RBYTE(A) (uchar)(A) -#define RWORD(A) (ushort)(A) -#define RINDW(A) (*(ushort *)(A)) -#define WINDW(A,V) (*(ushort *)(A)=(ushort)(V)) - -#endif /* __rio_riscos_h__ */ diff --git a/drivers/char/rio/rom.h b/drivers/char/rio/rom.h index ee79b8e5b97..58a7843625f 100644 --- a/drivers/char/rio/rom.h +++ b/drivers/char/rio/rom.h @@ -39,19 +39,19 @@ #ifndef lint #ifdef SCCS -static char *_rio_rom_h_sccs = "@(#)rom.h 1.1" ; +static char *_rio_rom_h_sccs = "@(#)rom.h 1.1"; #endif #endif -typedef struct ROM ROM ; -struct ROM { - u_short slx ; - char pcb_letter_rev ; - char pcb_number_rev ; - char serial[4] ; - char year ; - char week ; - } ; +typedef struct ROM ROM; +struct ROM { + u_short slx; + char pcb_letter_rev; + char pcb_number_rev; + char serial[4]; + char year; + char week; +}; #endif @@ -60,5 +60,3 @@ struct ROM { #define ROM_LENGTH 0x20 /*********** end of file ***********/ - - diff --git a/drivers/char/rio/route.h b/drivers/char/rio/route.h index c42dbb97171..769744e575a 100644 --- a/drivers/char/rio/route.h +++ b/drivers/char/rio/route.h @@ -44,26 +44,26 @@ #endif #define MAX_LINKS 4 -#define MAX_NODES 17 /* Maximum nodes in a subnet */ -#define NODE_BYTES ((MAX_NODES / 8) + 1) /* Number of bytes needed for - 1 bit per node */ -#define ROUTE_DATA_SIZE (NODE_BYTES + 2) /* Number of bytes for complete - info about cost etc. */ +#define MAX_NODES 17 /* Maximum nodes in a subnet */ +#define NODE_BYTES ((MAX_NODES / 8) + 1) /* Number of bytes needed for + 1 bit per node */ +#define ROUTE_DATA_SIZE (NODE_BYTES + 2) /* Number of bytes for complete + info about cost etc. */ #define ROUTES_PER_PACKET ((PKT_MAX_DATA_LEN -2)/ ROUTE_DATA_SIZE) - /* Number of nodes we can squeeze - into one packet */ + /* Number of nodes we can squeeze + into one packet */ #define MAX_TOPOLOGY_PACKETS (MAX_NODES / ROUTES_PER_PACKET + 1) /************************************************ * Define the types of command for the ROUTE RUP. ************************************************/ -#define ROUTE_REQUEST 0 /* Request an ID */ -#define ROUTE_FOAD 1 /* Kill the RTA */ -#define ROUTE_ALREADY 2 /* ID given already */ -#define ROUTE_USED 3 /* All ID's used */ -#define ROUTE_ALLOCATE 4 /* Here it is */ -#define ROUTE_REQ_TOP 5 /* I bet you didn't expect.... - the Topological Inquisition */ -#define ROUTE_TOPOLOGY 6 /* Topology request answered FD */ +#define ROUTE_REQUEST 0 /* Request an ID */ +#define ROUTE_FOAD 1 /* Kill the RTA */ +#define ROUTE_ALREADY 2 /* ID given already */ +#define ROUTE_USED 3 /* All ID's used */ +#define ROUTE_ALLOCATE 4 /* Here it is */ +#define ROUTE_REQ_TOP 5 /* I bet you didn't expect.... + the Topological Inquisition */ +#define ROUTE_TOPOLOGY 6 /* Topology request answered FD */ /******************************************************************* * Define the Route Map Structure * @@ -72,22 +72,22 @@ ******************************************************************/ typedef struct COST_ROUTE COST_ROUTE; struct COST_ROUTE { - unsigned char cost; /* Cost down this link */ - unsigned char route[NODE_BYTES]; /* Nodes thorough this route */ - } ; + unsigned char cost; /* Cost down this link */ + unsigned char route[NODE_BYTES]; /* Nodes thorough this route */ +}; -typedef struct ROUTE_STR ROUTE_STR ; -struct ROUTE_STR { - COST_ROUTE cost_route[MAX_LINKS]; - /* cost / route for this link */ - ushort favoured; /* favoured link */ - } ; +typedef struct ROUTE_STR ROUTE_STR; +struct ROUTE_STR { + COST_ROUTE cost_route[MAX_LINKS]; + /* cost / route for this link */ + ushort favoured; /* favoured link */ +}; -#define NO_LINK (short) 5 /* Link unattached */ -#define ROUTE_NO_ID (short) 100 /* No Id */ -#define ROUTE_DISCONNECT (ushort) 0xff /* Not connected */ -#define ROUTE_INTERCONNECT (ushort) 0x40 /* Sub-net interconnect */ +#define NO_LINK (short) 5 /* Link unattached */ +#define ROUTE_NO_ID (short) 100 /* No Id */ +#define ROUTE_DISCONNECT (ushort) 0xff /* Not connected */ +#define ROUTE_INTERCONNECT (ushort) 0x40 /* Sub-net interconnect */ #define SYNC_RUP (ushort) 255 @@ -99,10 +99,9 @@ struct ROUTE_STR { #define STATUS_RUP (ushort) 249 #define POWER_RUP (ushort) 248 -#define HIGHEST_RUP (ushort) 255 /* Set to Top one */ -#define LOWEST_RUP (ushort) 248 /* Set to bottom one */ +#define HIGHEST_RUP (ushort) 255 /* Set to Top one */ +#define LOWEST_RUP (ushort) 248 /* Set to bottom one */ #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/rtahw.h b/drivers/char/rio/rtahw.h deleted file mode 100644 index 06860118cbc..00000000000 --- a/drivers/char/rio/rtahw.h +++ /dev/null @@ -1,75 +0,0 @@ - -/**************************************************************************** - ******* ******* - ******* R T A H A R D W A R E - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_rtahw_h_sccs = "@(#)rtahw.h 1.5" ; -#endif -#endif - -#define WATCHDOG_ADDR ((unsigned short *)0x7a00) -#define RTA_LED_ADDR ((unsigned short *)0x7c00) -#define SERIALNUM_ADDR ((unsigned char *)0x7809) -#define LATCH_ADDR ((unsigned char *)0x7800) - -/* -** Here we define where the cd1400 chips are in memory. -*/ -#define CD1400_ONE_ADDR (0x7300) -#define CD1400_TWO_ADDR (0x7200) -#define CD1400_THREE_ADDR (0x7100) -#define CD1400_FOUR_ADDR (0x7000) - -/* -** Define the different types of modules we can have -*/ -enum module { - MOD_BLANK = 0x0f, /* Blank plate attached */ - MOD_RS232DB25 = 0x00, /* RS232 DB25 connector */ - MOD_RS232RJ45 = 0x01, /* RS232 RJ45 connector */ - MOD_RS422DB25 = 0x02, /* RS422 DB25 connector */ - MOD_RS485DB25 = 0x03, /* RS485 DB25 connector */ - MOD_PARALLEL = 0x04 /* Centronics parallel */ -}; - -#define TYPE_HOST 0 -#define TYPE_RTA8 1 -#define TYPE_RTA16 2 - -#define WATCH_DOG WATCHDOG_ADDR - -/*********** end of file ***********/ diff --git a/drivers/char/rio/rup.h b/drivers/char/rio/rup.h index b9d2bc03d14..8d44fec91dd 100644 --- a/drivers/char/rio/rup.h +++ b/drivers/char/rio/rup.h @@ -44,39 +44,38 @@ #endif #if defined( HOST ) || defined( INKERNEL ) -#define MAX_RUP ((short) 16) +#define MAX_RUP ((short) 16) #endif #ifdef RTA #define MAX_RUP ((short) 1) #endif -#define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */ +#define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */ /************************************************* * Define all the packet request stuff ************************************************/ -#define TX_RUP_INACTIVE 0 /* Nothing to transmit */ -#define TX_PACKET_READY 1 /* Transmit packet ready */ -#define TX_LOCK_RUP 2 /* Transmit side locked */ +#define TX_RUP_INACTIVE 0 /* Nothing to transmit */ +#define TX_PACKET_READY 1 /* Transmit packet ready */ +#define TX_LOCK_RUP 2 /* Transmit side locked */ -#define RX_RUP_INACTIVE 0 /* Nothing received */ -#define RX_PACKET_READY 1 /* Packet received */ +#define RX_RUP_INACTIVE 0 /* Nothing received */ +#define RX_PACKET_READY 1 /* Packet received */ -#define RUP_NO_OWNER 0xff /* RUP not owned by any process */ +#define RUP_NO_OWNER 0xff /* RUP not owned by any process */ struct RUP { - PKT_ptr txpkt; /* Outgoing packet */ - PKT_ptr rxpkt; /* Incoming packet */ - WORD link; /* Which link to send down? */ - BYTE rup_dest_unit[2]; /* Destination unit */ - WORD handshake; /* For handshaking */ - WORD timeout; /* Timeout */ - WORD status; /* Status */ - WORD txcontrol; /* Transmit control */ - WORD rxcontrol; /* Receive control */ - }; - + PKT_ptr txpkt; /* Outgoing packet */ + PKT_ptr rxpkt; /* Incoming packet */ + WORD link; /* Which link to send down? */ + BYTE rup_dest_unit[2]; /* Destination unit */ + WORD handshake; /* For handshaking */ + WORD timeout; /* Timeout */ + WORD status; /* Status */ + WORD txcontrol; /* Transmit control */ + WORD rxcontrol; /* Receive control */ +}; + #endif /*********** end of file ***********/ - diff --git a/drivers/char/rio/rupstat.h b/drivers/char/rio/rupstat.h deleted file mode 100644 index b4aafaff0d7..00000000000 --- a/drivers/char/rio/rupstat.h +++ /dev/null @@ -1,51 +0,0 @@ -/**************************************************************************** - ******* ******* - ******* RUPSTAT - ******* ******* - **************************************************************************** - - Author : Jeremy Rolls - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef _rupstat_h -#define _rupstat_h - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_rupstat_h_sccs = "@(#)rupstat.h 1.1" ; -#endif -#endif - -#define STATUS_SYNC 0 -#define STATUS_REQ_TOP 1 -#define STATUS_TOPOLOGY 2 - -#endif - diff --git a/drivers/char/rio/sam.h b/drivers/char/rio/sam.h index c1accb8cb62..31494054b21 100644 --- a/drivers/char/rio/sam.h +++ b/drivers/char/rio/sam.h @@ -60,15 +60,12 @@ #define RX FALSE -typedef struct FREE_LIST FREE_LIST ; -struct FREE_LIST { - FREE_LIST_ptr next ; - FREE_LIST_ptr prev ; - } ; +typedef struct FREE_LIST FREE_LIST; +struct FREE_LIST { + FREE_LIST_ptr next; + FREE_LIST_ptr prev; +}; #endif /*********** end of file ***********/ - - - diff --git a/drivers/char/rio/selftest.h b/drivers/char/rio/selftest.h deleted file mode 100644 index deae48722a2..00000000000 --- a/drivers/char/rio/selftest.h +++ /dev/null @@ -1,73 +0,0 @@ -/* -** File: selftest.h -** -** Author: David Dix -** -** Created: 15th March 1993 -** -** Last modified: 94/06/14 -** - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#ifndef _selftests_h_ -#define _selftests_h_ - -/* -** Selftest identifier... -*/ -#define SELFTEST_MAGIC 0x5a5a - -/* -** This is the structure of the packet that is sent back after each -** selftest on a booting RTA. -*/ -typedef struct { - short magic; /* Identifies packet type */ - int test; /* Test number, see below */ - unsigned int result; /* Result value */ - unsigned int dataIn; - unsigned int dataOut; -}selftestStruct; - -/* -** The different tests are identified by the following data values. -*/ -enum test { - TESTS_COMPLETE = 0x00, - MEMTEST_ADDR = 0x01, - MEMTEST_BIT = 0x02, - MEMTEST_FILL = 0x03, - MEMTEST_DATABUS = 0x04, - MEMTEST_ADDRBUS = 0x05, - CD1400_INIT = 0x10, - CD1400_LOOP = 0x11, - CD1400_INTERRUPT = 0x12 -}; - -enum result { - E_PORT = 0x10, - E_TX = 0x11, - E_RX = 0x12, - E_EXCEPT = 0x13, - E_COMPARE = 0x14, - E_MODEM = 0x15, - E_TIMEOUT = 0x16, - E_INTERRUPT = 0x17 -}; -#endif /* _selftests_h_ */ diff --git a/drivers/char/rio/space.h b/drivers/char/rio/space.h index 72398d34205..1f12690f9d1 100644 --- a/drivers/char/rio/space.h +++ b/drivers/char/rio/space.h @@ -42,4 +42,4 @@ extern int rio_bases[]; extern int rio_limits[]; extern int rio_vects[]; -#endif /* __rio_space_h__ */ +#endif /* __rio_space_h__ */ diff --git a/drivers/char/rio/sysmap.h b/drivers/char/rio/sysmap.h deleted file mode 100644 index fdc73139357..00000000000 --- a/drivers/char/rio/sysmap.h +++ /dev/null @@ -1,63 +0,0 @@ - -/**************************************************************************** - ******* ******* - ******* S Y S T E M M A P H E A D E R - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_sysmap_h_sccs = "@(#)sysmap.h 1.1" ; -#endif -#endif - -#define SYSTEM_MAP_LEN 64 /* Len of System Map array */ - - -typedef struct SYS_MAP SYS_MAP ; -typedef struct SYS_MAP_LINK SYS_MAP_LINK ; - -struct SYS_MAP_LINK { - short id ; /* Unit Id */ - short link ; /* Id's Link */ - short been_here ; /* Used by map_gen */ - } ; - -struct SYS_MAP { - char serial_num[4] ; - SYS_MAP_LINK link[4] ; - } ; - - -/*********** end of file ***********/ - diff --git a/drivers/char/rio/timeouts.h b/drivers/char/rio/timeouts.h deleted file mode 100644 index 11b31330c90..00000000000 --- a/drivers/char/rio/timeouts.h +++ /dev/null @@ -1,51 +0,0 @@ - -/**************************************************************************** - ******* ******* - ******* T I M E O U T S - ******* ******* - **************************************************************************** - - Author : Ian Nandhra - Date : - - * - * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - Version : 0.01 - - - Mods - ---------------------------------------------------------------------------- - Date By Description - ---------------------------------------------------------------------------- - - ***************************************************************************/ - -#ifndef lint -#ifdef SCCS_LABELS -static char *_rio_defaults_h_sccs = "@(#)timeouts.h 1.3" ; -#endif -#endif - -#define MILLISECOND (int) (1000/64) /* 15.625 low ticks */ -#define SECOND (int) 15625 /* Low priority ticks */ - -#define TX_TIMEOUT (int) (200 * MILLISECOND) - - -/*********** end of file ***********/ - diff --git a/drivers/char/rio/top.h b/drivers/char/rio/top.h index 255c40d463a..d15a11dc4f7 100644 --- a/drivers/char/rio/top.h +++ b/drivers/char/rio/top.h @@ -40,10 +40,9 @@ static char *_top_h_sccs_ = "@(#)top.h 1.2"; /* ** Topology information */ -struct Top -{ - uchar Unit; - uchar Link; +struct Top { + uchar Unit; + uchar Link; }; -#endif /* __rio_top_h__ */ +#endif /* __rio_top_h__ */ diff --git a/drivers/char/rio/typdef.h b/drivers/char/rio/typdef.h index 2cb9dd693fa..185b889e151 100644 --- a/drivers/char/rio/typdef.h +++ b/drivers/char/rio/typdef.h @@ -45,11 +45,11 @@ static char *_typdef_h_sccs_ = "@(#)typdef.h 1.2"; ** These types are ONLY to be used for refering to data structures ** on the RIO Host card! */ -typedef volatile unsigned char BYTE; -typedef volatile unsigned short WORD; -typedef volatile unsigned int DWORD; -typedef volatile unsigned short RIOP; -typedef volatile short NUMBER; +typedef volatile unsigned char BYTE; +typedef volatile unsigned short WORD; +typedef volatile unsigned int DWORD; +typedef volatile unsigned short RIOP; +typedef volatile short NUMBER; /* @@ -59,13 +59,13 @@ typedef volatile short NUMBER; ** are here only to make the source compile. */ /* typedef unsigned int uint; */ -typedef unsigned long ulong_t; -typedef unsigned short ushort_t; -typedef unsigned char uchar_t; -typedef unsigned char queue_t; -typedef unsigned char mblk_t; -typedef unsigned int paddr_t; -typedef unsigned char uchar; +typedef unsigned long ulong_t; +typedef unsigned short ushort_t; +typedef unsigned char uchar_t; +typedef unsigned char queue_t; +typedef unsigned char mblk_t; +typedef unsigned int paddr_t; +typedef unsigned char uchar; #define TPNULL ((ushort)(0x8000)) @@ -73,10 +73,10 @@ typedef unsigned char uchar; /* ** RIO structures defined in other include files. */ -typedef struct PKT PKT; -typedef struct LPB LPB; -typedef struct RUP RUP; -typedef struct Port Port; -typedef struct DpRam DpRam; +typedef struct PKT PKT; +typedef struct LPB LPB; +typedef struct RUP RUP; +typedef struct Port Port; +typedef struct DpRam DpRam; -#endif /* __rio_typdef_h__ */ +#endif /* __rio_typdef_h__ */ diff --git a/drivers/char/rio/unixrup.h b/drivers/char/rio/unixrup.h index eddf86278ab..a126c7cabac 100644 --- a/drivers/char/rio/unixrup.h +++ b/drivers/char/rio/unixrup.h @@ -41,16 +41,15 @@ static char *_unixrup_h_sccs_ = "@(#)unixrup.h 1.2"; ** UnixRup data structure. This contains pointers to actual RUPs on the ** host card, and all the command/boot control stuff. */ -struct UnixRup -{ - struct CmdBlk *CmdsWaitingP; /* Commands waiting to be done */ - struct CmdBlk *CmdPendingP; /* The command currently being sent */ - struct RUP *RupP; /* the Rup to send it to */ - uint Id; /* Id number */ - uint BaseSysPort; /* SysPort of first tty on this RTA */ - uint ModTypes; /* Modules on this RTA */ - spinlock_t RupLock; /* Lock structure for MPX */ -/* struct lockb RupLock; */ /* Lock structure for MPX */ +struct UnixRup { + struct CmdBlk *CmdsWaitingP; /* Commands waiting to be done */ + struct CmdBlk *CmdPendingP; /* The command currently being sent */ + struct RUP *RupP; /* the Rup to send it to */ + uint Id; /* Id number */ + uint BaseSysPort; /* SysPort of first tty on this RTA */ + uint ModTypes; /* Modules on this RTA */ + spinlock_t RupLock; /* Lock structure for MPX */ + /* struct lockb RupLock; *//* Lock structure for MPX */ }; -#endif /* __rio_unixrup_h__ */ +#endif /* __rio_unixrup_h__ */ diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 55a3a0188ed..119e629656b 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -46,6 +46,7 @@ #include <linux/major.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/tty_flip.h> #include <asm/uaccess.h> @@ -81,7 +82,6 @@ static struct riscom_board * IRQ_to_board[16]; static struct tty_driver *riscom_driver; static unsigned char * tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); static unsigned long baud_table[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, @@ -107,15 +107,15 @@ static struct riscom_port rc_port[RC_NBOARD * RC_NPORT]; /* RISCom/8 I/O ports addresses (without address translation) */ static unsigned short rc_ioport[] = { -#if 1 +#if 1 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c, -#else +#else 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c, 0x10, 0x11, 0x12, 0x18, 0x28, 0x31, 0x32, 0x39, 0x3a, 0x40, 0x41, 0x61, 0x62, 0x63, 0x64, 0x6b, 0x70, 0x71, 0x78, 0x7a, 0x7b, 0x7f, 0x100, 0x101 -#endif +#endif }; -#define RC_NIOPORT (sizeof(rc_ioport) / sizeof(rc_ioport[0])) +#define RC_NIOPORT ARRAY_SIZE(rc_ioport) static inline int rc_paranoia_check(struct riscom_port const * port, @@ -354,28 +354,17 @@ static inline void rc_receive_exc(struct riscom_board const * bp) struct riscom_port *port; struct tty_struct *tty; unsigned char status; - unsigned char ch; + unsigned char ch, flag; if (!(port = rc_get_port(bp, "Receive"))) return; tty = port->tty; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - printk(KERN_WARNING "rc%d: port %d: Working around flip " - "buffer overflow.\n", - board_No(bp), port_No(port)); - return; - } #ifdef RC_REPORT_OVERRUN status = rc_in(bp, CD180_RCSR); - if (status & RCSR_OE) { + if (status & RCSR_OE) port->overrun++; -#if 0 - printk(KERN_ERR "rc%d: port %d: Overrun. Total %ld overruns\n", - board_No(bp), port_No(port), port->overrun); -#endif - } status &= port->mark_mask; #else status = rc_in(bp, CD180_RCSR) & port->mark_mask; @@ -393,25 +382,24 @@ static inline void rc_receive_exc(struct riscom_board const * bp) } else if (status & RCSR_BREAK) { printk(KERN_INFO "rc%d: port %d: Handling break...\n", board_No(bp), port_No(port)); - *tty->flip.flag_buf_ptr++ = TTY_BREAK; + flag = TTY_BREAK; if (port->flags & ASYNC_SAK) do_SAK(tty); } else if (status & RCSR_PE) - *tty->flip.flag_buf_ptr++ = TTY_PARITY; + flag = TTY_PARITY; else if (status & RCSR_FE) - *tty->flip.flag_buf_ptr++ = TTY_FRAME; + flag = TTY_FRAME; else if (status & RCSR_OE) - *tty->flip.flag_buf_ptr++ = TTY_OVERRUN; + flag = TTY_OVERRUN; else - *tty->flip.flag_buf_ptr++ = 0; + flag = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = ch; - tty->flip.count++; - schedule_delayed_work(&tty->flip.work, 1); + tty_insert_flip_char(tty, ch, flag); + tty_flip_buffer_push(tty); } static inline void rc_receive(struct riscom_board const * bp) @@ -432,17 +420,15 @@ static inline void rc_receive(struct riscom_board const * bp) #endif while (count--) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { + if (tty_buffer_request_room(tty, 1) == 0) { printk(KERN_WARNING "rc%d: port %d: Working around " "flip buffer overflow.\n", board_No(bp), port_No(port)); break; } - *tty->flip.char_buf_ptr++ = rc_in(bp, CD180_RDR); - *tty->flip.flag_buf_ptr++ = 0; - tty->flip.count++; + tty_insert_flip_char(tty, rc_in(bp, CD180_RDR), TTY_NORMAL); } - schedule_delayed_work(&tty->flip.work, 1); + tty_flip_buffer_push(tty); } static inline void rc_transmit(struct riscom_board const * bp) diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index d3bc731fbb2..0949dcef069 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -325,19 +325,16 @@ static void rp_do_receive(struct r_port *info, { unsigned int CharNStat; int ToRecv, wRecv, space = 0, count; - unsigned char *cbuf; - char *fbuf; + unsigned char *cbuf, *chead; + char *fbuf, *fhead; struct tty_ldisc *ld; ld = tty_ldisc_ref(tty); ToRecv = sGetRxCnt(cp); - if (ld) - space = ld->receive_room(tty); + space = tty->receive_room; if (space > 2 * TTY_FLIPBUF_SIZE) space = 2 * TTY_FLIPBUF_SIZE; - cbuf = tty->flip.char_buf; - fbuf = tty->flip.flag_buf; count = 0; #ifdef ROCKET_DEBUG_INTR printk(KERN_INFO "rp_do_receive(%d, %d)...", ToRecv, space); @@ -350,9 +347,13 @@ static void rp_do_receive(struct r_port *info, if (ToRecv > space) ToRecv = space; + ToRecv = tty_prepare_flip_string_flags(tty, &chead, &fhead, ToRecv); if (ToRecv <= 0) goto done; + cbuf = chead; + fbuf = fhead; + /* * if status indicates there are errored characters in the * FIFO, then enter status mode (a word in FIFO holds @@ -399,7 +400,7 @@ static void rp_do_receive(struct r_port *info, else if (CharNStat & STMRCVROVRH) *fbuf++ = TTY_OVERRUN; else - *fbuf++ = 0; + *fbuf++ = TTY_NORMAL; *cbuf++ = CharNStat & 0xff; count++; ToRecv--; @@ -426,13 +427,13 @@ static void rp_do_receive(struct r_port *info, sInStrW(sGetTxRxDataIO(cp), (unsigned short *) cbuf, wRecv); if (ToRecv & 1) cbuf[ToRecv - 1] = sInB(sGetTxRxDataIO(cp)); - memset(fbuf, 0, ToRecv); + memset(fbuf, TTY_NORMAL, ToRecv); cbuf += ToRecv; fbuf += ToRecv; count += ToRecv; } /* Push the data up to the tty layer */ - ld->receive_buf(tty, tty->flip.char_buf, tty->flip.flag_buf, count); + ld->receive_buf(tty, cbuf, fbuf, count); done: tty_ldisc_deref(ld); } diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index a7f099fb7df..7cac6d05d72 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -46,10 +46,10 @@ * 1.11a Daniele Bellucci: Audit create_proc_read_entry in rtc_init * 1.12 Venkatesh Pallipadi: Hooks for emulating rtc on HPET base-timer * CONFIG_HPET_EMULATE_RTC - * + * 1.12ac Alan Cox: Allow read access to the day of week register */ -#define RTC_VERSION "1.12" +#define RTC_VERSION "1.12ac" #define RTC_IO_EXTENT 0x8 @@ -1250,9 +1250,9 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm) /* * Only the values that we read from the RTC are set. We leave - * tm_wday, tm_yday and tm_isdst untouched. Even though the - * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated - * by the RTC when initially set to a non-zero value. + * tm_wday, tm_yday and tm_isdst untouched. Note that while the + * RTC has RTC_DAY_OF_WEEK, we should usually ignore it, as it is + * only updated by the RTC when initially set to a non-zero value. */ spin_lock_irq(&rtc_lock); rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS); @@ -1261,6 +1261,9 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm) rtc_tm->tm_mday = CMOS_READ(RTC_DAY_OF_MONTH); rtc_tm->tm_mon = CMOS_READ(RTC_MONTH); rtc_tm->tm_year = CMOS_READ(RTC_YEAR); + /* Only set from 2.6.16 onwards */ + rtc_tm->tm_wday = CMOS_READ(RTC_DAY_OF_WEEK); + #ifdef CONFIG_MACH_DECSTATION real_year = CMOS_READ(RTC_DEC_YEAR); #endif @@ -1275,6 +1278,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm) BCD_TO_BIN(rtc_tm->tm_mday); BCD_TO_BIN(rtc_tm->tm_mon); BCD_TO_BIN(rtc_tm->tm_year); + BCD_TO_BIN(rtc_tm->tm_wday); } #ifdef CONFIG_MACH_DECSTATION diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c index 3df7a574267..2e308657f6f 100644 --- a/drivers/char/s3c2410-rtc.c +++ b/drivers/char/s3c2410-rtc.c @@ -24,6 +24,7 @@ #include <linux/interrupt.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/clk.h> #include <asm/hardware.h> #include <asm/uaccess.h> @@ -33,7 +34,6 @@ #include <asm/mach/time.h> -#include <asm/hardware/clock.h> #include <asm/arch/regs-rtc.h> /* need this for the RTC_AF definitions */ diff --git a/drivers/char/scc.h b/drivers/char/scc.h index 51810f72f1a..93998f5baff 100644 --- a/drivers/char/scc.h +++ b/drivers/char/scc.h @@ -399,7 +399,7 @@ struct scc_port { __asm__ __volatile__ ( "tstb %0" : : "g" (*_scc_del) : "cc" );\ } while (0) -extern unsigned char scc_shadow[2][16]; +static unsigned char scc_shadow[2][16]; /* The following functions should relax the somehow complicated * register access of the SCC. _SCCwrite() stores all written values diff --git a/drivers/char/selection.c b/drivers/char/selection.c index 5b187c895c1..71093a9fc46 100644 --- a/drivers/char/selection.c +++ b/drivers/char/selection.c @@ -275,7 +275,8 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t int paste_selection(struct tty_struct *tty) { struct vc_data *vc = (struct vc_data *)tty->driver_data; - int pasted = 0, count; + int pasted = 0; + unsigned int count; struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); @@ -293,7 +294,7 @@ int paste_selection(struct tty_struct *tty) continue; } count = sel_buffer_lth - pasted; - count = min(count, tty->ldisc.receive_room(tty)); + count = min(count, tty->receive_room); tty->ldisc.receive_buf(tty, sel_buffer + pasted, NULL, count); pasted += count; } diff --git a/drivers/char/ser_a2232.c b/drivers/char/ser_a2232.c index dda30e42ec7..80a5b840e22 100644 --- a/drivers/char/ser_a2232.c +++ b/drivers/char/ser_a2232.c @@ -194,11 +194,6 @@ static inline void a2232_receive_char(struct a2232_port *port, int ch, int err) */ struct tty_struct *tty = port->gs.tty; - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - return; - - tty->flip.count++; - #if 0 switch(err) { case TTY_BREAK: @@ -212,8 +207,7 @@ static inline void a2232_receive_char(struct a2232_port *port, int ch, int err) } #endif - *tty->flip.flag_buf_ptr++ = err; - *tty->flip.char_buf_ptr++ = ch; + tty_insert_flip_char(tty, ch, err); tty_flip_buffer_push(tty); } diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index c2deac968bd..037c940ac71 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -117,7 +117,7 @@ struct cyclades_port cy_port[] = { {-1 }, /* ttyS2 */ {-1 }, /* ttyS3 */ }; -#define NR_PORTS (sizeof(cy_port)/sizeof(struct cyclades_port)) +#define NR_PORTS ARRAY_SIZE(cy_port) /* * tmp_buf is used as a temporary buffer by serial_write. We need to @@ -129,7 +129,6 @@ struct cyclades_port cy_port[] = { * memory if large numbers of serial ports are open. */ static unsigned char *tmp_buf = 0; -DECLARE_MUTEX(tmp_buf_sem); /* * This is used to look up the divisor speeds and the timeouts @@ -422,45 +421,35 @@ cd2401_rxerr_interrupt(int irq, void *dev_id, struct pt_regs *fp) base_addr[CyREOIR] = rfoc ? 0 : CyNOTRANS; return IRQ_HANDLED; } - if (tty->flip.count < TTY_FLIPBUF_SIZE){ - tty->flip.count++; + if (tty_buffer_request_room(tty, 1) != 0){ if (err & info->read_status_mask){ if(err & CyBREAK){ - *tty->flip.flag_buf_ptr++ = TTY_BREAK; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_BREAK); if (info->flags & ASYNC_SAK){ do_SAK(tty); } }else if(err & CyFRAME){ - *tty->flip.flag_buf_ptr++ = TTY_FRAME; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_FRAME); }else if(err & CyPARITY){ - *tty->flip.flag_buf_ptr++ = TTY_PARITY; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_PARITY); }else if(err & CyOVERRUN){ - *tty->flip.flag_buf_ptr++ = TTY_OVERRUN; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_OVERRUN); /* If the flip buffer itself is overflowing, we still loose the next incoming character. */ - if(tty->flip.count < TTY_FLIPBUF_SIZE){ - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; - } + tty_insert_flip_char(tty, data, TTY_NORMAL); + } /* These two conditions may imply */ /* a normal read should be done. */ /* else if(data & CyTIMEOUT) */ /* else if(data & CySPECHAR) */ }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, 0, TTY_NORMAL); } }else{ - *tty->flip.flag_buf_ptr++ = 0; - *tty->flip.char_buf_ptr++ = 0; + tty_insert_flip_char(tty, data, TTY_NORMAL); } }else{ /* there was a software buffer overrun @@ -692,12 +681,7 @@ cd2401_rx_interrupt(int irq, void *dev_id, struct pt_regs *fp) #endif while(char_count--){ data = base_addr[CyRDR]; - if (tty->flip.count >= TTY_FLIPBUF_SIZE){ - continue; - } - tty->flip.count++; - *tty->flip.flag_buf_ptr++ = TTY_NORMAL; - *tty->flip.char_buf_ptr++ = data; + tty_insert_flip_char(tty, data, TTY_NORMAL); #ifdef CYCLOM_16Y_HACK udelay(10L); #endif diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index 51a07370e63..f8dd8527c6a 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -471,7 +471,6 @@ struct sonypi_keypress { static struct sonypi_device { struct pci_dev *dev; - struct platform_device *pdev; u16 irq; u16 bits; u16 ioport1; @@ -511,6 +510,11 @@ static struct sonypi_device { #define SONYPI_ACPI_ACTIVE 0 #endif /* CONFIG_ACPI */ +#ifdef CONFIG_ACPI +static struct acpi_device *sonypi_acpi_device; +static int acpi_enabled; +#endif + static int sonypi_ec_write(u8 addr, u8 value) { #ifdef CONFIG_ACPI_EC @@ -864,6 +868,11 @@ found: if (useinput) sonypi_report_input_event(event); +#ifdef CONFIG_ACPI + if (acpi_enabled) + acpi_bus_generate_event(sonypi_acpi_device, 1, event); +#endif + kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event)); kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); wake_up_interruptible(&sonypi_device.fifo_proc_list); @@ -1165,45 +1174,38 @@ static int sonypi_disable(void) return 0; } -#ifdef CONFIG_PM -static int old_camera_power; - -static int sonypi_suspend(struct platform_device *dev, pm_message_t state) +#ifdef CONFIG_ACPI +static int sonypi_acpi_add(struct acpi_device *device) { - old_camera_power = sonypi_device.camera_power; - sonypi_disable(); - + sonypi_acpi_device = device; + strcpy(acpi_device_name(device), "Sony laptop hotkeys"); + strcpy(acpi_device_class(device), "sony/hotkey"); return 0; } -static int sonypi_resume(struct platform_device *dev) +static int sonypi_acpi_remove(struct acpi_device *device, int type) { - sonypi_enable(old_camera_power); + sonypi_acpi_device = NULL; return 0; } -#endif - -static void sonypi_shutdown(struct platform_device *dev) -{ - sonypi_disable(); -} -static struct platform_driver sonypi_driver = { -#ifdef CONFIG_PM - .suspend = sonypi_suspend, - .resume = sonypi_resume, -#endif - .shutdown = sonypi_shutdown, - .driver = { - .name = "sonypi", +static struct acpi_driver sonypi_acpi_driver = { + .name = "sonypi", + .class = "hkey", + .ids = "SNY6001", + .ops = { + .add = sonypi_acpi_add, + .remove = sonypi_acpi_remove, }, }; +#endif static int __devinit sonypi_create_input_devices(void) { struct input_dev *jog_dev; struct input_dev *key_dev; int i; + int error; sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); if (!jog_dev) @@ -1219,9 +1221,8 @@ static int __devinit sonypi_create_input_devices(void) sonypi_device.input_key_dev = key_dev = input_allocate_device(); if (!key_dev) { - input_free_device(jog_dev); - sonypi_device.input_jog_dev = NULL; - return -ENOMEM; + error = -ENOMEM; + goto err_free_jogdev; } key_dev->name = "Sony Vaio Keys"; @@ -1234,56 +1235,122 @@ static int __devinit sonypi_create_input_devices(void) if (sonypi_inputkeys[i].inputev) set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); - input_register_device(jog_dev); - input_register_device(key_dev); + error = input_register_device(jog_dev); + if (error) + goto err_free_keydev; + + error = input_register_device(key_dev); + if (error) + goto err_unregister_jogdev; return 0; + + err_unregister_jogdev: + input_unregister_device(jog_dev); + /* Set to NULL so we don't free it again below */ + jog_dev = NULL; + err_free_keydev: + input_free_device(key_dev); + sonypi_device.input_key_dev = NULL; + err_free_jogdev: + input_free_device(jog_dev); + sonypi_device.input_jog_dev = NULL; + + return error; } -static int __devinit sonypi_probe(void) +static int __devinit sonypi_setup_ioports(struct sonypi_device *dev, + const struct sonypi_ioport_list *ioport_list) { - int i, ret; - struct sonypi_ioport_list *ioport_list; - struct sonypi_irq_list *irq_list; - struct pci_dev *pcidev; + while (ioport_list->port1) { - if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) - sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; - else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) - sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; - else - sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; + if (request_region(ioport_list->port1, + sonypi_device.region_size, + "Sony Programable I/O Device")) { + dev->ioport1 = ioport_list->port1; + dev->ioport2 = ioport_list->port2; + return 0; + } + ioport_list++; + } - sonypi_device.dev = pcidev; + return -EBUSY; +} + +static int __devinit sonypi_setup_irq(struct sonypi_device *dev, + const struct sonypi_irq_list *irq_list) +{ + while (irq_list->irq) { + + if (!request_irq(irq_list->irq, sonypi_irq, + SA_SHIRQ, "sonypi", sonypi_irq)) { + dev->irq = irq_list->irq; + dev->bits = irq_list->bits; + return 0; + } + irq_list++; + } + + return -EBUSY; +} + +static void __devinit sonypi_display_info(void) +{ + printk(KERN_INFO "sonypi: detected type%d model, " + "verbose = %d, fnkeyinit = %s, camera = %s, " + "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", + sonypi_device.model, + verbose, + fnkeyinit ? "on" : "off", + camera ? "on" : "off", + compat ? "on" : "off", + mask, + useinput ? "on" : "off", + SONYPI_ACPI_ACTIVE ? "on" : "off"); + printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", + sonypi_device.irq, + sonypi_device.ioport1, sonypi_device.ioport2); + + if (minor == -1) + printk(KERN_INFO "sonypi: device allocated minor is %d\n", + sonypi_misc_device.minor); +} + +static int __devinit sonypi_probe(struct platform_device *dev) +{ + const struct sonypi_ioport_list *ioport_list; + const struct sonypi_irq_list *irq_list; + struct pci_dev *pcidev; + int error; spin_lock_init(&sonypi_device.fifo_lock); sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL, &sonypi_device.fifo_lock); if (IS_ERR(sonypi_device.fifo)) { printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); - ret = PTR_ERR(sonypi_device.fifo); - goto out_fifo; + return PTR_ERR(sonypi_device.fifo); } init_waitqueue_head(&sonypi_device.fifo_proc_list); init_MUTEX(&sonypi_device.lock); sonypi_device.bluetooth_power = -1; + if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; + else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; + else + sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; + if (pcidev && pci_enable_device(pcidev)) { printk(KERN_ERR "sonypi: pci_enable_device failed\n"); - ret = -EIO; - goto out_pcienable; - } - - if (minor != -1) - sonypi_misc_device.minor = minor; - if ((ret = misc_register(&sonypi_misc_device))) { - printk(KERN_ERR "sonypi: misc_register failed\n"); - goto out_miscreg; + error = -EIO; + goto err_put_pcidev; } + sonypi_device.dev = pcidev; if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { ioport_list = sonypi_type1_ioport_list; @@ -1302,43 +1369,36 @@ static int __devinit sonypi_probe(void) irq_list = sonypi_type3_irq_list; } - for (i = 0; ioport_list[i].port1; i++) { - if (request_region(ioport_list[i].port1, - sonypi_device.region_size, - "Sony Programable I/O Device")) { - /* get the ioport */ - sonypi_device.ioport1 = ioport_list[i].port1; - sonypi_device.ioport2 = ioport_list[i].port2; - break; - } - } - if (!sonypi_device.ioport1) { - printk(KERN_ERR "sonypi: request_region failed\n"); - ret = -ENODEV; - goto out_reqreg; + error = sonypi_setup_ioports(&sonypi_device, ioport_list); + if (error) { + printk(KERN_ERR "sonypi: failed to request ioports\n"); + goto err_disable_pcidev; } - for (i = 0; irq_list[i].irq; i++) { - - sonypi_device.irq = irq_list[i].irq; - sonypi_device.bits = irq_list[i].bits; - - if (!request_irq(sonypi_device.irq, sonypi_irq, - SA_SHIRQ, "sonypi", sonypi_irq)) - break; + error = sonypi_setup_irq(&sonypi_device, irq_list); + if (error) { + printk(KERN_ERR "sonypi: request_irq failed\n"); + goto err_free_ioports; } - if (!irq_list[i].irq) { - printk(KERN_ERR "sonypi: request_irq failed\n"); - ret = -ENODEV; - goto out_reqirq; + if (minor != -1) + sonypi_misc_device.minor = minor; + error = misc_register(&sonypi_misc_device); + if (error) { + printk(KERN_ERR "sonypi: misc_register failed\n"); + goto err_free_irq; } + sonypi_display_info(); + if (useinput) { - ret = sonypi_create_input_devices(); - if (ret) - goto out_inputdevices; + error = sonypi_create_input_devices(); + if (error) { + printk(KERN_ERR + "sonypi: failed to create input devices\n"); + goto err_miscdev_unregister; + } spin_lock_init(&sonypi_device.input_fifo_lock); sonypi_device.input_fifo = @@ -1346,91 +1406,104 @@ static int __devinit sonypi_probe(void) &sonypi_device.input_fifo_lock); if (IS_ERR(sonypi_device.input_fifo)) { printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); - ret = PTR_ERR(sonypi_device.input_fifo); - goto out_infifo; + error = PTR_ERR(sonypi_device.input_fifo); + goto err_inpdev_unregister; } INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL); } - sonypi_device.pdev = platform_device_register_simple("sonypi", -1, - NULL, 0); - if (IS_ERR(sonypi_device.pdev)) { - ret = PTR_ERR(sonypi_device.pdev); - goto out_platformdev; - } - sonypi_enable(0); - printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver" - "v%s.\n", SONYPI_DRIVER_VERSION); - printk(KERN_INFO "sonypi: detected type%d model, " - "verbose = %d, fnkeyinit = %s, camera = %s, " - "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", - sonypi_device.model, - verbose, - fnkeyinit ? "on" : "off", - camera ? "on" : "off", - compat ? "on" : "off", - mask, - useinput ? "on" : "off", - SONYPI_ACPI_ACTIVE ? "on" : "off"); - printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", - sonypi_device.irq, - sonypi_device.ioport1, sonypi_device.ioport2); - - if (minor == -1) - printk(KERN_INFO "sonypi: device allocated minor is %d\n", - sonypi_misc_device.minor); - return 0; -out_platformdev: - kfifo_free(sonypi_device.input_fifo); -out_infifo: + err_inpdev_unregister: input_unregister_device(sonypi_device.input_key_dev); input_unregister_device(sonypi_device.input_jog_dev); -out_inputdevices: + err_miscdev_unregister: + misc_deregister(&sonypi_misc_device); + err_free_irq: free_irq(sonypi_device.irq, sonypi_irq); -out_reqirq: + err_free_ioports: release_region(sonypi_device.ioport1, sonypi_device.region_size); -out_reqreg: - misc_deregister(&sonypi_misc_device); -out_miscreg: + err_disable_pcidev: if (pcidev) pci_disable_device(pcidev); -out_pcienable: + err_put_pcidev: + pci_dev_put(pcidev); kfifo_free(sonypi_device.fifo); -out_fifo: - pci_dev_put(sonypi_device.dev); - return ret; + + return error; } -static void __devexit sonypi_remove(void) +static int __devexit sonypi_remove(struct platform_device *dev) { sonypi_disable(); synchronize_sched(); /* Allow sonypi interrupt to complete. */ flush_scheduled_work(); - platform_device_unregister(sonypi_device.pdev); - if (useinput) { input_unregister_device(sonypi_device.input_key_dev); input_unregister_device(sonypi_device.input_jog_dev); kfifo_free(sonypi_device.input_fifo); } + misc_deregister(&sonypi_misc_device); + free_irq(sonypi_device.irq, sonypi_irq); release_region(sonypi_device.ioport1, sonypi_device.region_size); - misc_deregister(&sonypi_misc_device); - if (sonypi_device.dev) + + if (sonypi_device.dev) { pci_disable_device(sonypi_device.dev); + pci_dev_put(sonypi_device.dev); + } + kfifo_free(sonypi_device.fifo); - pci_dev_put(sonypi_device.dev); - printk(KERN_INFO "sonypi: removed.\n"); + + return 0; } +#ifdef CONFIG_PM +static int old_camera_power; + +static int sonypi_suspend(struct platform_device *dev, pm_message_t state) +{ + old_camera_power = sonypi_device.camera_power; + sonypi_disable(); + + return 0; +} + +static int sonypi_resume(struct platform_device *dev) +{ + sonypi_enable(old_camera_power); + return 0; +} +#else +#define sonypi_suspend NULL +#define sonypi_resume NULL +#endif + +static void sonypi_shutdown(struct platform_device *dev) +{ + sonypi_disable(); +} + +static struct platform_driver sonypi_driver = { + .driver = { + .name = "sonypi", + .owner = THIS_MODULE, + }, + .probe = sonypi_probe, + .remove = __devexit_p(sonypi_remove), + .shutdown = sonypi_shutdown, + .suspend = sonypi_suspend, + .resume = sonypi_resume, +}; + +static struct platform_device *sonypi_platform_device; + static struct dmi_system_id __initdata sonypi_dmi_table[] = { { .ident = "Sony Vaio", @@ -1451,26 +1524,52 @@ static struct dmi_system_id __initdata sonypi_dmi_table[] = { static int __init sonypi_init(void) { - int ret; + int error; + + printk(KERN_INFO + "sonypi: Sony Programmable I/O Controller Driver v%s.\n", + SONYPI_DRIVER_VERSION); if (!dmi_check_system(sonypi_dmi_table)) return -ENODEV; - ret = platform_driver_register(&sonypi_driver); - if (ret) - return ret; + error = platform_driver_register(&sonypi_driver); + if (error) + return error; - ret = sonypi_probe(); - if (ret) - platform_driver_unregister(&sonypi_driver); + sonypi_platform_device = platform_device_alloc("sonypi", -1); + if (!sonypi_platform_device) { + error = -ENOMEM; + goto err_driver_unregister; + } - return ret; + error = platform_device_add(sonypi_platform_device); + if (error) + goto err_free_device; + +#ifdef CONFIG_ACPI + if (acpi_bus_register_driver(&sonypi_acpi_driver) > 0) + acpi_enabled = 1; +#endif + + return 0; + + err_free_device: + platform_device_put(sonypi_platform_device); + err_driver_unregister: + platform_driver_unregister(&sonypi_driver); + return error; } static void __exit sonypi_exit(void) { +#ifdef CONFIG_ACPI + if (acpi_enabled) + acpi_bus_unregister_driver(&sonypi_acpi_driver); +#endif + platform_device_unregister(sonypi_platform_device); platform_driver_unregister(&sonypi_driver); - sonypi_remove(); + printk(KERN_INFO "sonypi: removed.\n"); } module_init(sonypi_init); diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index 0bbfce43031..5343e9fc6ab 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -85,6 +85,7 @@ #include <linux/interrupt.h> #include <linux/errno.h> #include <linux/tty.h> +#include <linux/tty_flip.h> #include <linux/mm.h> #include <linux/serial.h> #include <linux/fcntl.h> @@ -183,7 +184,6 @@ static int sx_poll = HZ; static struct tty_driver *specialix_driver; static unsigned char * tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); static unsigned long baud_table[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, @@ -665,7 +665,7 @@ static inline void sx_receive_exc(struct specialix_board * bp) struct specialix_port *port; struct tty_struct *tty; unsigned char status; - unsigned char ch; + unsigned char ch, flag; func_enter(); @@ -676,8 +676,6 @@ static inline void sx_receive_exc(struct specialix_board * bp) return; } tty = port->tty; - dprintk (SX_DEBUG_RX, "port: %p count: %d BUFF_SIZE: %d\n", - port, tty->flip.count, TTY_FLIPBUF_SIZE); status = sx_in(bp, CD186x_RCSR); @@ -691,7 +689,7 @@ static inline void sx_receive_exc(struct specialix_board * bp) /* This flip buffer check needs to be below the reading of the status register to reset the chip's IRQ.... */ - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { + if (tty_buffer_request_room(tty, 1) == 0) { dprintk(SX_DEBUG_FIFO, "sx%d: port %d: Working around flip buffer overflow.\n", board_No(bp), port_No(port)); func_exit(); @@ -712,26 +710,24 @@ static inline void sx_receive_exc(struct specialix_board * bp) } else if (status & RCSR_BREAK) { dprintk(SX_DEBUG_RX, "sx%d: port %d: Handling break...\n", board_No(bp), port_No(port)); - *tty->flip.flag_buf_ptr++ = TTY_BREAK; + flag = TTY_BREAK; if (port->flags & ASYNC_SAK) do_SAK(tty); } else if (status & RCSR_PE) - *tty->flip.flag_buf_ptr++ = TTY_PARITY; + flag = TTY_PARITY; else if (status & RCSR_FE) - *tty->flip.flag_buf_ptr++ = TTY_FRAME; + flag = TTY_FRAME; else if (status & RCSR_OE) - *tty->flip.flag_buf_ptr++ = TTY_OVERRUN; + flag = TTY_OVERRUN; else - *tty->flip.flag_buf_ptr++ = 0; - - *tty->flip.char_buf_ptr++ = ch; - tty->flip.count++; - schedule_delayed_work(&tty->flip.work, 1); + flag = TTY_NORMAL; + if(tty_insert_flip_char(tty, ch, flag)) + tty_flip_buffer_push(tty); func_exit(); } @@ -755,18 +751,11 @@ static inline void sx_receive(struct specialix_board * bp) dprintk (SX_DEBUG_RX, "port: %p: count: %d\n", port, count); port->hits[count > 8 ? 9 : count]++; - while (count--) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) { - printk(KERN_INFO "sx%d: port %d: Working around flip buffer overflow.\n", - board_No(bp), port_No(port)); - break; - } - *tty->flip.char_buf_ptr++ = sx_in(bp, CD186x_RDR); - *tty->flip.flag_buf_ptr++ = 0; - tty->flip.count++; - } - schedule_delayed_work(&tty->flip.work, 1); + tty_buffer_request_room(tty, count); + while (count--) + tty_insert_flip_char(tty, sx_in(bp, CD186x_RDR), TTY_NORMAL); + tty_flip_buffer_push(tty); func_exit(); } @@ -2566,8 +2555,6 @@ static int __init specialix_init_module(void) func_enter(); - init_MUTEX(&tmp_buf_sem); /* Init de the semaphore - pvdl */ - if (iobase[0] || iobase[1] || iobase[2] || iobase[3]) { for(i = 0; i < SX_NBOARD; i++) { sx_board[i].base = iobase[i]; diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 95af2a94159..bdaab699210 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -103,7 +103,7 @@ static stlconf_t stl_brdconf[] = { /*{ BRD_EASYIO, 0x2a0, 0, 0, 10, 0 },*/ }; -static int stl_nrbrds = sizeof(stl_brdconf) / sizeof(stlconf_t); +static int stl_nrbrds = ARRAY_SIZE(stl_brdconf); /*****************************************************************************/ @@ -424,7 +424,7 @@ static stlpcibrd_t stl_pcibrds[] = { { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, BRD_ECHPCI }, }; -static int stl_nrpcibrds = sizeof(stl_pcibrds) / sizeof(stlpcibrd_t); +static int stl_nrpcibrds = ARRAY_SIZE(stl_pcibrds); #endif @@ -704,7 +704,7 @@ static unsigned int sc26198_baudtable[] = { 230400, 460800, 921600 }; -#define SC26198_NRBAUDS (sizeof(sc26198_baudtable) / sizeof(unsigned int)) +#define SC26198_NRBAUDS ARRAY_SIZE(sc26198_baudtable) /*****************************************************************************/ @@ -738,7 +738,7 @@ static int __init stallion_module_init(void) stl_init(); restore_flags(flags); - return(0); + return 0; } /*****************************************************************************/ @@ -889,7 +889,7 @@ static unsigned long stl_atol(char *str) } val = (val * base) + c; } - return(val); + return val; } /*****************************************************************************/ @@ -901,26 +901,25 @@ static unsigned long stl_atol(char *str) static int stl_parsebrd(stlconf_t *confp, char **argp) { char *sp; - int nrbrdnames, i; + int i; #ifdef DEBUG printk("stl_parsebrd(confp=%x,argp=%x)\n", (int) confp, (int) argp); #endif if ((argp[0] == (char *) NULL) || (*argp[0] == 0)) - return(0); + return 0; for (sp = argp[0], i = 0; ((*sp != 0) && (i < 25)); sp++, i++) *sp = TOLOWER(*sp); - nrbrdnames = sizeof(stl_brdstr) / sizeof(stlbrdtype_t); - for (i = 0; (i < nrbrdnames); i++) { + for (i = 0; i < ARRAY_SIZE(stl_brdstr); i++) { if (strcmp(stl_brdstr[i].name, argp[0]) == 0) break; } - if (i >= nrbrdnames) { + if (i == ARRAY_SIZE(stl_brdstr)) { printk("STALLION: unknown board name, %s?\n", argp[0]); - return(0); + return 0; } confp->brdtype = stl_brdstr[i].type; @@ -936,7 +935,7 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) } if ((argp[i] != (char *) NULL) && (*argp[i] != 0)) confp->irq = stl_atol(argp[i]); - return(1); + return 1; } /*****************************************************************************/ @@ -947,7 +946,7 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) static void *stl_memalloc(int len) { - return((void *) kmalloc(len, GFP_KERNEL)); + return (void *) kmalloc(len, GFP_KERNEL); } /*****************************************************************************/ @@ -964,12 +963,12 @@ static stlbrd_t *stl_allocbrd(void) if (brdp == (stlbrd_t *) NULL) { printk("STALLION: failed to allocate memory (size=%d)\n", sizeof(stlbrd_t)); - return((stlbrd_t *) NULL); + return (stlbrd_t *) NULL; } memset(brdp, 0, sizeof(stlbrd_t)); brdp->magic = STL_BOARDMAGIC; - return(brdp); + return brdp; } /*****************************************************************************/ @@ -989,10 +988,10 @@ static int stl_open(struct tty_struct *tty, struct file *filp) minordev = tty->index; brdnr = MINOR2BRD(minordev); if (brdnr >= stl_nrbrds) - return(-ENODEV); + return -ENODEV; brdp = stl_brds[brdnr]; if (brdp == (stlbrd_t *) NULL) - return(-ENODEV); + return -ENODEV; minordev = MINOR2PORT(minordev); for (portnr = -1, panelnr = 0; (panelnr < STL_MAXPANELS); panelnr++) { if (brdp->panels[panelnr] == (stlpanel_t *) NULL) @@ -1004,11 +1003,11 @@ static int stl_open(struct tty_struct *tty, struct file *filp) minordev -= brdp->panels[panelnr]->nrports; } if (portnr < 0) - return(-ENODEV); + return -ENODEV; portp = brdp->panels[panelnr]->ports[portnr]; if (portp == (stlport_t *) NULL) - return(-ENODEV); + return -ENODEV; /* * On the first open of the device setup the port hardware, and @@ -1022,7 +1021,7 @@ static int stl_open(struct tty_struct *tty, struct file *filp) if (portp->tx.buf == (char *) NULL) { portp->tx.buf = (char *) stl_memalloc(STL_TXBUFSIZE); if (portp->tx.buf == (char *) NULL) - return(-ENOMEM); + return -ENOMEM; portp->tx.head = portp->tx.buf; portp->tx.tail = portp->tx.buf; } @@ -1044,8 +1043,8 @@ static int stl_open(struct tty_struct *tty, struct file *filp) if (portp->flags & ASYNC_CLOSING) { interruptible_sleep_on(&portp->close_wait); if (portp->flags & ASYNC_HUP_NOTIFY) - return(-EAGAIN); - return(-ERESTARTSYS); + return -EAGAIN; + return -ERESTARTSYS; } /* @@ -1055,11 +1054,11 @@ static int stl_open(struct tty_struct *tty, struct file *filp) */ if (!(filp->f_flags & O_NONBLOCK)) { if ((rc = stl_waitcarrier(portp, filp)) != 0) - return(rc); + return rc; } portp->flags |= ASYNC_NORMAL_ACTIVE; - return(0); + return 0; } /*****************************************************************************/ @@ -1116,7 +1115,7 @@ static int stl_waitcarrier(stlport_t *portp, struct file *filp) portp->openwaitcnt--; restore_flags(flags); - return(rc); + return rc; } /*****************************************************************************/ @@ -1212,12 +1211,12 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count if ((tty == (struct tty_struct *) NULL) || (stl_tmpwritebuf == (char *) NULL)) - return(0); + return 0; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(0); + return 0; if (portp->tx.buf == (char *) NULL) - return(0); + return 0; /* * If copying direct from user space we must cater for page faults, @@ -1256,7 +1255,7 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count clear_bit(ASYI_TXLOW, &portp->istate); stl_startrxtx(portp, -1, 1); - return(count); + return count; } /*****************************************************************************/ @@ -1337,16 +1336,16 @@ static int stl_writeroom(struct tty_struct *tty) #endif if (tty == (struct tty_struct *) NULL) - return(0); + return 0; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(0); + return 0; if (portp->tx.buf == (char *) NULL) - return(0); + return 0; head = portp->tx.head; tail = portp->tx.tail; - return((head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1)); + return ((head >= tail) ? (STL_TXBUFSIZE - (head - tail) - 1) : (tail - head - 1)); } /*****************************************************************************/ @@ -1371,19 +1370,19 @@ static int stl_charsinbuffer(struct tty_struct *tty) #endif if (tty == (struct tty_struct *) NULL) - return(0); + return 0; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(0); + return 0; if (portp->tx.buf == (char *) NULL) - return(0); + return 0; head = portp->tx.head; tail = portp->tx.tail; size = (head >= tail) ? (head - tail) : (STL_TXBUFSIZE - (tail - head)); if ((size == 0) && test_bit(ASYI_TXBUSY, &portp->istate)) size = 1; - return(size); + return size; } /*****************************************************************************/ @@ -1448,7 +1447,7 @@ static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) (sio.close_delay != portp->close_delay) || ((sio.flags & ~ASYNC_USR_MASK) != (portp->flags & ~ASYNC_USR_MASK))) - return(-EPERM); + return -EPERM; } portp->flags = (portp->flags & ~ASYNC_USR_MASK) | @@ -1458,7 +1457,7 @@ static int stl_setserial(stlport_t *portp, struct serial_struct __user *sp) portp->closing_wait = sio.closing_wait; portp->custom_divisor = sio.custom_divisor; stl_setport(portp, portp->tty->termios); - return(0); + return 0; } /*****************************************************************************/ @@ -1468,12 +1467,12 @@ static int stl_tiocmget(struct tty_struct *tty, struct file *file) stlport_t *portp; if (tty == (struct tty_struct *) NULL) - return(-ENODEV); + return -ENODEV; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(-ENODEV); + return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) - return(-EIO); + return -EIO; return stl_getsignals(portp); } @@ -1485,12 +1484,12 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file, int rts = -1, dtr = -1; if (tty == (struct tty_struct *) NULL) - return(-ENODEV); + return -ENODEV; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(-ENODEV); + return -ENODEV; if (tty->flags & (1 << TTY_IO_ERROR)) - return(-EIO); + return -EIO; if (set & TIOCM_RTS) rts = 1; @@ -1518,15 +1517,15 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd #endif if (tty == (struct tty_struct *) NULL) - return(-ENODEV); + return -ENODEV; portp = tty->driver_data; if (portp == (stlport_t *) NULL) - return(-ENODEV); + return -ENODEV; if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && (cmd != COM_GETPORTSTATS) && (cmd != COM_CLRPORTSTATS)) { if (tty->flags & (1 << TTY_IO_ERROR)) - return(-EIO); + return -EIO; } rc = 0; @@ -1567,7 +1566,7 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd break; } - return(rc); + return rc; } /*****************************************************************************/ @@ -1873,7 +1872,7 @@ static int stl_portinfo(stlport_t *portp, int portnr, char *pos) pos[(MAXLINE - 2)] = '+'; pos[(MAXLINE - 1)] = '\n'; - return(MAXLINE); + return MAXLINE; } /*****************************************************************************/ @@ -1958,7 +1957,7 @@ static int stl_readproc(char *page, char **start, off_t off, int count, int *eof stl_readdone: *start = page; - return(pos - page); + return (pos - page); } /*****************************************************************************/ @@ -2350,7 +2349,7 @@ static inline int stl_initeio(stlbrd_t *brdp) } else { rc = 0; } - return(rc); + return rc; } /*****************************************************************************/ @@ -2902,7 +2901,8 @@ static int stl_getportstats(stlport_t *portp, comstats_t __user *cp) if (portp->tty != (struct tty_struct *) NULL) { if (portp->tty->driver_data == portp) { portp->stats.ttystate = portp->tty->flags; - portp->stats.rxbuffered = portp->tty->flip.count; + /* No longer available as a statistic */ + portp->stats.rxbuffered = 1; /*portp->tty->flip.count; */ if (portp->tty->termios != (struct termios *) NULL) { portp->stats.cflags = portp->tty->termios->c_cflag; portp->stats.iflags = portp->tty->termios->c_iflag; @@ -3116,7 +3116,7 @@ static int __init stl_init(void) return -1; } - return(0); + return 0; } /*****************************************************************************/ @@ -3132,7 +3132,7 @@ static int __init stl_init(void) static int stl_cd1400getreg(stlport_t *portp, int regnr) { outb((regnr + portp->uartaddr), portp->ioaddr); - return(inb(portp->ioaddr + EREG_DATA)); + return inb(portp->ioaddr + EREG_DATA); } static void stl_cd1400setreg(stlport_t *portp, int regnr, int value) @@ -3146,9 +3146,9 @@ static int stl_cd1400updatereg(stlport_t *portp, int regnr, int value) outb((regnr + portp->uartaddr), portp->ioaddr); if (inb(portp->ioaddr + EREG_DATA) != value) { outb(value, portp->ioaddr + EREG_DATA); - return(1); + return 1; } - return(0); + return 0; } /*****************************************************************************/ @@ -3206,7 +3206,7 @@ static int stl_cd1400panelinit(stlbrd_t *brdp, stlpanel_t *panelp) } BRDDISABLE(panelp->brdnr); - return(chipmask); + return chipmask; } /*****************************************************************************/ @@ -3557,7 +3557,7 @@ static int stl_cd1400getsignals(stlport_t *portp) #else sigs |= TIOCM_DSR; #endif - return(sigs); + return sigs; } /*****************************************************************************/ @@ -3830,9 +3830,9 @@ static int stl_cd1400datastate(stlport_t *portp) #endif if (portp == (stlport_t *) NULL) - return(0); + return 0; - return(test_bit(ASYI_TXBUSY, &portp->istate) ? 1 : 0); + return test_bit(ASYI_TXBUSY, &portp->istate) ? 1 : 0; } /*****************************************************************************/ @@ -3912,20 +3912,20 @@ static inline int stl_cd1400breakisr(stlport_t *portp, int ioaddr) outb((SRER + portp->uartaddr), ioaddr); outb((inb(ioaddr + EREG_DATA) & ~(SRER_TXDATA | SRER_TXEMPTY)), (ioaddr + EREG_DATA)); - return(1); + return 1; } else if (portp->brklen > 1) { outb((TDR + portp->uartaddr), ioaddr); outb(ETC_CMD, (ioaddr + EREG_DATA)); outb(ETC_STOPBREAK, (ioaddr + EREG_DATA)); portp->brklen = -1; - return(1); + return 1; } else { outb((COR2 + portp->uartaddr), ioaddr); outb((inb(ioaddr + EREG_DATA) & ~COR2_ETC), (ioaddr + EREG_DATA)); portp->brklen = 0; } - return(0); + return 0; } /*****************************************************************************/ @@ -4046,9 +4046,7 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) if ((ioack & ACK_TYPMASK) == ACK_TYPRXGOOD) { outb((RDCR + portp->uartaddr), ioaddr); len = inb(ioaddr + EREG_DATA); - if ((tty == (struct tty_struct *) NULL) || - (tty->flip.char_buf_ptr == (char *) NULL) || - ((buflen = TTY_FLIPBUF_SIZE - tty->flip.count) == 0)) { + if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { len = MIN(len, sizeof(stl_unwanted)); outb((RDSR + portp->uartaddr), ioaddr); insb((ioaddr + EREG_DATA), &stl_unwanted[0], len); @@ -4057,12 +4055,10 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) } else { len = MIN(len, buflen); if (len > 0) { + unsigned char *ptr; outb((RDSR + portp->uartaddr), ioaddr); - insb((ioaddr + EREG_DATA), tty->flip.char_buf_ptr, len); - memset(tty->flip.flag_buf_ptr, 0, len); - tty->flip.flag_buf_ptr += len; - tty->flip.char_buf_ptr += len; - tty->flip.count += len; + tty_prepare_flip_string(tty, &ptr, len); + insb((ioaddr + EREG_DATA), ptr, len); tty_schedule_flip(tty); portp->stats.rxtotal += len; } @@ -4086,8 +4082,7 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) portp->stats.txxoff++; goto stl_rxalldone; } - if ((tty != (struct tty_struct *) NULL) && - ((portp->rxignoremsk & status) == 0)) { + if (tty != NULL && (portp->rxignoremsk & status) == 0) { if (portp->rxmarkmsk & status) { if (status & ST_BREAK) { status = TTY_BREAK; @@ -4107,14 +4102,8 @@ static void stl_cd1400rxisr(stlpanel_t *panelp, int ioaddr) } else { status = 0; } - if (tty->flip.char_buf_ptr != (char *) NULL) { - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.flag_buf_ptr++ = status; - *tty->flip.char_buf_ptr++ = ch; - tty->flip.count++; - } - tty_schedule_flip(tty); - } + tty_insert_flip_char(tty, ch, status); + tty_schedule_flip(tty); } } else { printk("STALLION: bad RX interrupt ack value=%x\n", ioack); @@ -4177,7 +4166,7 @@ static void stl_cd1400mdmisr(stlpanel_t *panelp, int ioaddr) static int stl_sc26198getreg(stlport_t *portp, int regnr) { outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); - return(inb(portp->ioaddr + XP_DATA)); + return inb(portp->ioaddr + XP_DATA); } static void stl_sc26198setreg(stlport_t *portp, int regnr, int value) @@ -4191,9 +4180,9 @@ static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) outb((regnr | portp->uartaddr), (portp->ioaddr + XP_ADDR)); if (inb(portp->ioaddr + XP_DATA) != value) { outb(value, (portp->ioaddr + XP_DATA)); - return(1); + return 1; } - return(0); + return 0; } /*****************************************************************************/ @@ -4205,7 +4194,7 @@ static int stl_sc26198updatereg(stlport_t *portp, int regnr, int value) static int stl_sc26198getglobreg(stlport_t *portp, int regnr) { outb(regnr, (portp->ioaddr + XP_ADDR)); - return(inb(portp->ioaddr + XP_DATA)); + return inb(portp->ioaddr + XP_DATA); } #if 0 @@ -4263,7 +4252,7 @@ static int stl_sc26198panelinit(stlbrd_t *brdp, stlpanel_t *panelp) } BRDDISABLE(panelp->brdnr); - return(chipmask); + return chipmask; } /*****************************************************************************/ @@ -4557,7 +4546,7 @@ static int stl_sc26198getsignals(stlport_t *portp) sigs |= (ipr & IPR_DTR) ? 0: TIOCM_DTR; sigs |= (ipr & IPR_RTS) ? 0: TIOCM_RTS; sigs |= TIOCM_DSR; - return(sigs); + return sigs; } /*****************************************************************************/ @@ -4839,9 +4828,9 @@ static int stl_sc26198datastate(stlport_t *portp) #endif if (portp == (stlport_t *) NULL) - return(0); + return 0; if (test_bit(ASYI_TXBUSY, &portp->istate)) - return(1); + return 1; save_flags(flags); cli(); @@ -4850,7 +4839,7 @@ static int stl_sc26198datastate(stlport_t *portp) BRDDISABLE(portp->brdnr); restore_flags(flags); - return((sr & SR_TXEMPTY) ? 0 : 1); + return (sr & SR_TXEMPTY) ? 0 : 1; } /*****************************************************************************/ @@ -5013,9 +5002,7 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) len = inb(ioaddr + XP_DATA) + 1; if ((iack & IVR_TYPEMASK) == IVR_RXDATA) { - if ((tty == (struct tty_struct *) NULL) || - (tty->flip.char_buf_ptr == (char *) NULL) || - ((buflen = TTY_FLIPBUF_SIZE - tty->flip.count) == 0)) { + if (tty == NULL || (buflen = tty_buffer_request_room(tty, len)) == 0) { len = MIN(len, sizeof(stl_unwanted)); outb(GRXFIFO, (ioaddr + XP_ADDR)); insb((ioaddr + XP_DATA), &stl_unwanted[0], len); @@ -5024,12 +5011,10 @@ static void stl_sc26198rxisr(stlport_t *portp, unsigned int iack) } else { len = MIN(len, buflen); if (len > 0) { + unsigned char *ptr; outb(GRXFIFO, (ioaddr + XP_ADDR)); - insb((ioaddr + XP_DATA), tty->flip.char_buf_ptr, len); - memset(tty->flip.flag_buf_ptr, 0, len); - tty->flip.flag_buf_ptr += len; - tty->flip.char_buf_ptr += len; - tty->flip.count += len; + tty_prepare_flip_string(tty, &ptr, len); + insb((ioaddr + XP_DATA), ptr, len); tty_schedule_flip(tty); portp->stats.rxtotal += len; } @@ -5097,14 +5082,8 @@ static inline void stl_sc26198rxbadch(stlport_t *portp, unsigned char status, ch status = 0; } - if (tty->flip.char_buf_ptr != (char *) NULL) { - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.flag_buf_ptr++ = status; - *tty->flip.char_buf_ptr++ = ch; - tty->flip.count++; - } - tty_schedule_flip(tty); - } + tty_insert_flip_char(tty, ch, status); + tty_schedule_flip(tty); if (status == 0) portp->stats.rxtotal++; diff --git a/drivers/char/sx.c b/drivers/char/sx.c index 3ad758a9a1d..64bf89cb574 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -345,9 +345,9 @@ static int si_probe_addrs[]= {0xc0000, 0xd0000, 0xe0000, 0xc8000, 0xd8000, 0xe8000, 0xa0000}; static int si1_probe_addrs[]= { 0xd0000}; -#define NR_SX_ADDRS (sizeof(sx_probe_addrs)/sizeof (int)) -#define NR_SI_ADDRS (sizeof(si_probe_addrs)/sizeof (int)) -#define NR_SI1_ADDRS (sizeof(si1_probe_addrs)/sizeof (int)) +#define NR_SX_ADDRS ARRAY_SIZE(sx_probe_addrs) +#define NR_SI_ADDRS ARRAY_SIZE(si_probe_addrs) +#define NR_SI1_ADDRS ARRAY_SIZE(si1_probe_addrs) /* Set the mask to all-ones. This alas, only supports 32 interrupts. @@ -1085,6 +1085,7 @@ static inline void sx_receive_chars (struct sx_port *port) int rx_op; struct tty_struct *tty; int copied=0; + unsigned char *rp; func_enter2 (); tty = port->gs.tty; @@ -1095,8 +1096,8 @@ static inline void sx_receive_chars (struct sx_port *port) sx_dprintk (SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c); /* Don't copy more bytes than there is room for in the buffer */ - if (tty->flip.count + c > TTY_FLIPBUF_SIZE) - c = TTY_FLIPBUF_SIZE - tty->flip.count; + + c = tty_prepare_flip_string(tty, &rp, c); sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); @@ -1111,14 +1112,8 @@ static inline void sx_receive_chars (struct sx_port *port) sx_dprintk (SX_DEBUG_RECEIVE , "Copying over %d chars. First is %d at %lx\n", c, read_sx_byte (port->board, CHAN_OFFSET(port,hi_rxbuf) + rx_op), CHAN_OFFSET(port, hi_rxbuf)); - memcpy_fromio (tty->flip.char_buf_ptr, + memcpy_fromio (rp, port->board->base + CHAN_OFFSET(port,hi_rxbuf) + rx_op, c); - memset(tty->flip.flag_buf_ptr, TTY_NORMAL, c); - - /* Update the kernel buffer end */ - tty->flip.count += c; - tty->flip.char_buf_ptr += c; - tty->flip.flag_buf_ptr += c; /* This one last. ( Not essential.) It allows the card to start putting more data into the buffer! diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 62aa0e534a6..ede688a4e14 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -951,7 +951,6 @@ static void* mgsl_get_text_ptr(void) * memory if large numbers of serial ports are open. */ static unsigned char *tmp_buf; -static DECLARE_MUTEX(tmp_buf_sem); static inline int mgsl_paranoia_check(struct mgsl_struct *info, char *name, const char *routine) @@ -1467,6 +1466,7 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) { int Fifocount; u16 status; + int work = 0; unsigned char DataByte; struct tty_struct *tty = info->tty; struct mgsl_icount *icount = &info->icount; @@ -1487,6 +1487,8 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) /* flush the receive FIFO */ while( (Fifocount = (usc_InReg(info,RICR) >> 8)) ) { + int flag; + /* read one byte from RxFIFO */ outw( (inw(info->io_base + CCAR) & 0x0780) | (RDR+LSBONLY), info->io_base + CCAR ); @@ -1498,13 +1500,9 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) RXSTATUS_OVERRUN + RXSTATUS_BREAK_RECEIVED) ) usc_UnlatchRxstatusBits(info,RXSTATUS_ALL); - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - continue; - - *tty->flip.char_buf_ptr = DataByte; icount->rx++; - *tty->flip.flag_buf_ptr = 0; + flag = 0; if ( status & (RXSTATUS_FRAMING_ERROR + RXSTATUS_PARITY_ERROR + RXSTATUS_OVERRUN + RXSTATUS_BREAK_RECEIVED) ) { printk("rxerr=%04X\n",status); @@ -1530,41 +1528,31 @@ static void mgsl_isr_receive_data( struct mgsl_struct *info ) status &= info->read_status_mask; if (status & RXSTATUS_BREAK_RECEIVED) { - *tty->flip.flag_buf_ptr = TTY_BREAK; + flag = TTY_BREAK; if (info->flags & ASYNC_SAK) do_SAK(tty); } else if (status & RXSTATUS_PARITY_ERROR) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (status & RXSTATUS_FRAMING_ERROR) - *tty->flip.flag_buf_ptr = TTY_FRAME; - if (status & RXSTATUS_OVERRUN) { - /* Overrun is special, since it's - * reported immediately, and doesn't - * affect the current character - */ - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - tty->flip.count++; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - } - } + flag = TTY_FRAME; } /* end of if (error) */ - - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; + tty_insert_flip_char(tty, DataByte, flag); + if (status & RXSTATUS_OVERRUN) { + /* Overrun is special, since it's + * reported immediately, and doesn't + * affect the current character + */ + work += tty_insert_flip_char(tty, 0, TTY_OVERRUN); + } } if ( debug_level >= DEBUG_LEVEL_ISR ) { - printk("%s(%d):mgsl_isr_receive_data flip count=%d\n", - __FILE__,__LINE__,tty->flip.count); printk("%s(%d):rx=%d brk=%d parity=%d frame=%d overrun=%d\n", __FILE__,__LINE__,icount->rx,icount->brk, icount->parity,icount->frame,icount->overrun); } - if ( tty->flip.count ) + if(work) tty_flip_buffer_push(tty); } @@ -7058,7 +7046,7 @@ static BOOLEAN mgsl_register_test( struct mgsl_struct *info ) { static unsigned short BitPatterns[] = { 0x0000, 0xffff, 0xaaaa, 0x5555, 0x1234, 0x6969, 0x9696, 0x0f0f }; - static unsigned int Patterncount = sizeof(BitPatterns)/sizeof(unsigned short); + static unsigned int Patterncount = ARRAY_SIZE(BitPatterns); unsigned int i; BOOLEAN rc = TRUE; unsigned long flags; @@ -7501,9 +7489,9 @@ static int mgsl_adapter_test( struct mgsl_struct *info ) */ static BOOLEAN mgsl_memory_test( struct mgsl_struct *info ) { - static unsigned long BitPatterns[] = { 0x0, 0x55555555, 0xaaaaaaaa, - 0x66666666, 0x99999999, 0xffffffff, 0x12345678 }; - unsigned long Patterncount = sizeof(BitPatterns)/sizeof(unsigned long); + static unsigned long BitPatterns[] = + { 0x0, 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999, 0xffffffff, 0x12345678 }; + unsigned long Patterncount = ARRAY_SIZE(BitPatterns); unsigned long i; unsigned long TestLimit = SHARED_MEM_ADDRESS_SIZE/sizeof(unsigned long); unsigned long * TestAddr; diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c new file mode 100644 index 00000000000..a85a60a93de --- /dev/null +++ b/drivers/char/synclink_gt.c @@ -0,0 +1,4491 @@ +/* + * $Id: synclink_gt.c,v 4.22 2006/01/09 20:16:06 paulkf Exp $ + * + * Device driver for Microgate SyncLink GT serial adapters. + * + * written by Paul Fulghum for Microgate Corporation + * paulkf@microgate.com + * + * Microgate and SyncLink are trademarks of Microgate Corporation + * + * This code is released under the GNU General Public License (GPL) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * DEBUG OUTPUT DEFINITIONS + * + * uncomment lines below to enable specific types of debug output + * + * DBGINFO information - most verbose output + * DBGERR serious errors + * DBGBH bottom half service routine debugging + * DBGISR interrupt service routine debugging + * DBGDATA output receive and transmit data + * DBGTBUF output transmit DMA buffers and registers + * DBGRBUF output receive DMA buffers and registers + */ + +#define DBGINFO(fmt) if (debug_level >= DEBUG_LEVEL_INFO) printk fmt +#define DBGERR(fmt) if (debug_level >= DEBUG_LEVEL_ERROR) printk fmt +#define DBGBH(fmt) if (debug_level >= DEBUG_LEVEL_BH) printk fmt +#define DBGISR(fmt) if (debug_level >= DEBUG_LEVEL_ISR) printk fmt +#define DBGDATA(info, buf, size, label) if (debug_level >= DEBUG_LEVEL_DATA) trace_block((info), (buf), (size), (label)) +//#define DBGTBUF(info) dump_tbufs(info) +//#define DBGRBUF(info) dump_rbufs(info) + + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/errno.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/serial.h> +#include <linux/major.h> +#include <linux/string.h> +#include <linux/fcntl.h> +#include <linux/ptrace.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/netdevice.h> +#include <linux/vmalloc.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/ioctl.h> +#include <linux/termios.h> +#include <linux/bitops.h> +#include <linux/workqueue.h> +#include <linux/hdlc.h> + +#include <asm/system.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/dma.h> +#include <asm/types.h> +#include <asm/uaccess.h> + +#include "linux/synclink.h" + +#ifdef CONFIG_HDLC_MODULE +#define CONFIG_HDLC 1 +#endif + +/* + * module identification + */ +static char *driver_name = "SyncLink GT"; +static char *driver_version = "$Revision: 4.22 $"; +static char *tty_driver_name = "synclink_gt"; +static char *tty_dev_prefix = "ttySLG"; +MODULE_LICENSE("GPL"); +#define MGSL_MAGIC 0x5401 +#define MAX_DEVICES 12 + +static struct pci_device_id pci_table[] = { + {PCI_VENDOR_ID_MICROGATE, SYNCLINK_GT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PCI_VENDOR_ID_MICROGATE, SYNCLINK_GT4_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PCI_VENDOR_ID_MICROGATE, SYNCLINK_AC_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {0,}, /* terminate list */ +}; +MODULE_DEVICE_TABLE(pci, pci_table); + +static int init_one(struct pci_dev *dev,const struct pci_device_id *ent); +static void remove_one(struct pci_dev *dev); +static struct pci_driver pci_driver = { + .name = "synclink_gt", + .id_table = pci_table, + .probe = init_one, + .remove = __devexit_p(remove_one), +}; + +static int pci_registered; + +/* + * module configuration and status + */ +static struct slgt_info *slgt_device_list; +static int slgt_device_count; + +static int ttymajor; +static int debug_level; +static int maxframe[MAX_DEVICES]; +static int dosyncppp[MAX_DEVICES]; + +module_param(ttymajor, int, 0); +module_param(debug_level, int, 0); +module_param_array(maxframe, int, NULL, 0); +module_param_array(dosyncppp, int, NULL, 0); + +MODULE_PARM_DESC(ttymajor, "TTY major device number override: 0=auto assigned"); +MODULE_PARM_DESC(debug_level, "Debug syslog output: 0=disabled, 1 to 5=increasing detail"); +MODULE_PARM_DESC(maxframe, "Maximum frame size used by device (4096 to 65535)"); +MODULE_PARM_DESC(dosyncppp, "Enable synchronous net device, 0=disable 1=enable"); + +/* + * tty support and callbacks + */ +#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK)) + +static struct tty_driver *serial_driver; + +static int open(struct tty_struct *tty, struct file * filp); +static void close(struct tty_struct *tty, struct file * filp); +static void hangup(struct tty_struct *tty); +static void set_termios(struct tty_struct *tty, struct termios *old_termios); + +static int write(struct tty_struct *tty, const unsigned char *buf, int count); +static void put_char(struct tty_struct *tty, unsigned char ch); +static void send_xchar(struct tty_struct *tty, char ch); +static void wait_until_sent(struct tty_struct *tty, int timeout); +static int write_room(struct tty_struct *tty); +static void flush_chars(struct tty_struct *tty); +static void flush_buffer(struct tty_struct *tty); +static void tx_hold(struct tty_struct *tty); +static void tx_release(struct tty_struct *tty); + +static int ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); +static int read_proc(char *page, char **start, off_t off, int count,int *eof, void *data); +static int chars_in_buffer(struct tty_struct *tty); +static void throttle(struct tty_struct * tty); +static void unthrottle(struct tty_struct * tty); +static void set_break(struct tty_struct *tty, int break_state); + +/* + * generic HDLC support and callbacks + */ +#ifdef CONFIG_HDLC +#define dev_to_port(D) (dev_to_hdlc(D)->priv) +static void hdlcdev_tx_done(struct slgt_info *info); +static void hdlcdev_rx(struct slgt_info *info, char *buf, int size); +static int hdlcdev_init(struct slgt_info *info); +static void hdlcdev_exit(struct slgt_info *info); +#endif + + +/* + * device specific structures, macros and functions + */ + +#define SLGT_MAX_PORTS 4 +#define SLGT_REG_SIZE 256 + +/* + * DMA buffer descriptor and access macros + */ +struct slgt_desc +{ + unsigned short count; + unsigned short status; + unsigned int pbuf; /* physical address of data buffer */ + unsigned int next; /* physical address of next descriptor */ + + /* driver book keeping */ + char *buf; /* virtual address of data buffer */ + unsigned int pdesc; /* physical address of this descriptor */ + dma_addr_t buf_dma_addr; +}; + +#define set_desc_buffer(a,b) (a).pbuf = cpu_to_le32((unsigned int)(b)) +#define set_desc_next(a,b) (a).next = cpu_to_le32((unsigned int)(b)) +#define set_desc_count(a,b)(a).count = cpu_to_le16((unsigned short)(b)) +#define set_desc_eof(a,b) (a).status = cpu_to_le16((b) ? (le16_to_cpu((a).status) | BIT0) : (le16_to_cpu((a).status) & ~BIT0)) +#define desc_count(a) (le16_to_cpu((a).count)) +#define desc_status(a) (le16_to_cpu((a).status)) +#define desc_complete(a) (le16_to_cpu((a).status) & BIT15) +#define desc_eof(a) (le16_to_cpu((a).status) & BIT2) +#define desc_crc_error(a) (le16_to_cpu((a).status) & BIT1) +#define desc_abort(a) (le16_to_cpu((a).status) & BIT0) +#define desc_residue(a) ((le16_to_cpu((a).status) & 0x38) >> 3) + +struct _input_signal_events { + int ri_up; + int ri_down; + int dsr_up; + int dsr_down; + int dcd_up; + int dcd_down; + int cts_up; + int cts_down; +}; + +/* + * device instance data structure + */ +struct slgt_info { + void *if_ptr; /* General purpose pointer (used by SPPP) */ + + struct slgt_info *next_device; /* device list link */ + + int magic; + int flags; + + char device_name[25]; + struct pci_dev *pdev; + + int port_count; /* count of ports on adapter */ + int adapter_num; /* adapter instance number */ + int port_num; /* port instance number */ + + /* array of pointers to port contexts on this adapter */ + struct slgt_info *port_array[SLGT_MAX_PORTS]; + + int count; /* count of opens */ + int line; /* tty line instance number */ + unsigned short close_delay; + unsigned short closing_wait; /* time to wait before closing */ + + struct mgsl_icount icount; + + struct tty_struct *tty; + int timeout; + int x_char; /* xon/xoff character */ + int blocked_open; /* # of blocked opens */ + unsigned int read_status_mask; + unsigned int ignore_status_mask; + + wait_queue_head_t open_wait; + wait_queue_head_t close_wait; + + wait_queue_head_t status_event_wait_q; + wait_queue_head_t event_wait_q; + struct timer_list tx_timer; + struct timer_list rx_timer; + + spinlock_t lock; /* spinlock for synchronizing with ISR */ + + struct work_struct task; + u32 pending_bh; + int bh_requested; + int bh_running; + + int isr_overflow; + int irq_requested; /* nonzero if IRQ requested */ + int irq_occurred; /* for diagnostics use */ + + /* device configuration */ + + unsigned int bus_type; + unsigned int irq_level; + unsigned long irq_flags; + + unsigned char __iomem * reg_addr; /* memory mapped registers address */ + u32 phys_reg_addr; + int reg_addr_requested; + + MGSL_PARAMS params; /* communications parameters */ + u32 idle_mode; + u32 max_frame_size; /* as set by device config */ + + unsigned int raw_rx_size; + unsigned int if_mode; + + /* device status */ + + int rx_enabled; + int rx_restart; + + int tx_enabled; + int tx_active; + + unsigned char signals; /* serial signal states */ + unsigned int init_error; /* initialization error */ + + unsigned char *tx_buf; + int tx_count; + + char flag_buf[MAX_ASYNC_BUFFER_SIZE]; + char char_buf[MAX_ASYNC_BUFFER_SIZE]; + BOOLEAN drop_rts_on_tx_done; + struct _input_signal_events input_signal_events; + + int dcd_chkcount; /* check counts to prevent */ + int cts_chkcount; /* too many IRQs if a signal */ + int dsr_chkcount; /* is floating */ + int ri_chkcount; + + char *bufs; /* virtual address of DMA buffer lists */ + dma_addr_t bufs_dma_addr; /* physical address of buffer descriptors */ + + unsigned int rbuf_count; + struct slgt_desc *rbufs; + unsigned int rbuf_current; + unsigned int rbuf_index; + + unsigned int tbuf_count; + struct slgt_desc *tbufs; + unsigned int tbuf_current; + unsigned int tbuf_start; + + unsigned char *tmp_rbuf; + unsigned int tmp_rbuf_count; + + /* SPPP/Cisco HDLC device parts */ + + int netcount; + int dosyncppp; + spinlock_t netlock; +#ifdef CONFIG_HDLC + struct net_device *netdev; +#endif + +}; + +static MGSL_PARAMS default_params = { + .mode = MGSL_MODE_HDLC, + .loopback = 0, + .flags = HDLC_FLAG_UNDERRUN_ABORT15, + .encoding = HDLC_ENCODING_NRZI_SPACE, + .clock_speed = 0, + .addr_filter = 0xff, + .crc_type = HDLC_CRC_16_CCITT, + .preamble_length = HDLC_PREAMBLE_LENGTH_8BITS, + .preamble = HDLC_PREAMBLE_PATTERN_NONE, + .data_rate = 9600, + .data_bits = 8, + .stop_bits = 1, + .parity = ASYNC_PARITY_NONE +}; + + +#define BH_RECEIVE 1 +#define BH_TRANSMIT 2 +#define BH_STATUS 4 +#define IO_PIN_SHUTDOWN_LIMIT 100 + +#define DMABUFSIZE 256 +#define DESC_LIST_SIZE 4096 + +#define MASK_PARITY BIT1 +#define MASK_FRAMING BIT2 +#define MASK_BREAK BIT3 +#define MASK_OVERRUN BIT4 + +#define GSR 0x00 /* global status */ +#define TDR 0x80 /* tx data */ +#define RDR 0x80 /* rx data */ +#define TCR 0x82 /* tx control */ +#define TIR 0x84 /* tx idle */ +#define TPR 0x85 /* tx preamble */ +#define RCR 0x86 /* rx control */ +#define VCR 0x88 /* V.24 control */ +#define CCR 0x89 /* clock control */ +#define BDR 0x8a /* baud divisor */ +#define SCR 0x8c /* serial control */ +#define SSR 0x8e /* serial status */ +#define RDCSR 0x90 /* rx DMA control/status */ +#define TDCSR 0x94 /* tx DMA control/status */ +#define RDDAR 0x98 /* rx DMA descriptor address */ +#define TDDAR 0x9c /* tx DMA descriptor address */ + +#define RXIDLE BIT14 +#define RXBREAK BIT14 +#define IRQ_TXDATA BIT13 +#define IRQ_TXIDLE BIT12 +#define IRQ_TXUNDER BIT11 /* HDLC */ +#define IRQ_RXDATA BIT10 +#define IRQ_RXIDLE BIT9 /* HDLC */ +#define IRQ_RXBREAK BIT9 /* async */ +#define IRQ_RXOVER BIT8 +#define IRQ_DSR BIT7 +#define IRQ_CTS BIT6 +#define IRQ_DCD BIT5 +#define IRQ_RI BIT4 +#define IRQ_ALL 0x3ff0 +#define IRQ_MASTER BIT0 + +#define slgt_irq_on(info, mask) \ + wr_reg16((info), SCR, (unsigned short)(rd_reg16((info), SCR) | (mask))) +#define slgt_irq_off(info, mask) \ + wr_reg16((info), SCR, (unsigned short)(rd_reg16((info), SCR) & ~(mask))) + +static __u8 rd_reg8(struct slgt_info *info, unsigned int addr); +static void wr_reg8(struct slgt_info *info, unsigned int addr, __u8 value); +static __u16 rd_reg16(struct slgt_info *info, unsigned int addr); +static void wr_reg16(struct slgt_info *info, unsigned int addr, __u16 value); +static __u32 rd_reg32(struct slgt_info *info, unsigned int addr); +static void wr_reg32(struct slgt_info *info, unsigned int addr, __u32 value); + +static void msc_set_vcr(struct slgt_info *info); + +static int startup(struct slgt_info *info); +static int block_til_ready(struct tty_struct *tty, struct file * filp,struct slgt_info *info); +static void shutdown(struct slgt_info *info); +static void program_hw(struct slgt_info *info); +static void change_params(struct slgt_info *info); + +static int register_test(struct slgt_info *info); +static int irq_test(struct slgt_info *info); +static int loopback_test(struct slgt_info *info); +static int adapter_test(struct slgt_info *info); + +static void reset_adapter(struct slgt_info *info); +static void reset_port(struct slgt_info *info); +static void async_mode(struct slgt_info *info); +static void hdlc_mode(struct slgt_info *info); + +static void rx_stop(struct slgt_info *info); +static void rx_start(struct slgt_info *info); +static void reset_rbufs(struct slgt_info *info); +static void free_rbufs(struct slgt_info *info, unsigned int first, unsigned int last); +static void rdma_reset(struct slgt_info *info); +static int rx_get_frame(struct slgt_info *info); +static int rx_get_buf(struct slgt_info *info); + +static void tx_start(struct slgt_info *info); +static void tx_stop(struct slgt_info *info); +static void tx_set_idle(struct slgt_info *info); +static unsigned int free_tbuf_count(struct slgt_info *info); +static void reset_tbufs(struct slgt_info *info); +static void tdma_reset(struct slgt_info *info); +static void tx_load(struct slgt_info *info, const char *buf, unsigned int count); + +static void get_signals(struct slgt_info *info); +static void set_signals(struct slgt_info *info); +static void enable_loopback(struct slgt_info *info); +static void set_rate(struct slgt_info *info, u32 data_rate); + +static int bh_action(struct slgt_info *info); +static void bh_handler(void* context); +static void bh_transmit(struct slgt_info *info); +static void isr_serial(struct slgt_info *info); +static void isr_rdma(struct slgt_info *info); +static void isr_txeom(struct slgt_info *info, unsigned short status); +static void isr_tdma(struct slgt_info *info); +static irqreturn_t slgt_interrupt(int irq, void *dev_id, struct pt_regs * regs); + +static int alloc_dma_bufs(struct slgt_info *info); +static void free_dma_bufs(struct slgt_info *info); +static int alloc_desc(struct slgt_info *info); +static void free_desc(struct slgt_info *info); +static int alloc_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count); +static void free_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count); + +static int alloc_tmp_rbuf(struct slgt_info *info); +static void free_tmp_rbuf(struct slgt_info *info); + +static void tx_timeout(unsigned long context); +static void rx_timeout(unsigned long context); + +/* + * ioctl handlers + */ +static int get_stats(struct slgt_info *info, struct mgsl_icount __user *user_icount); +static int get_params(struct slgt_info *info, MGSL_PARAMS __user *params); +static int set_params(struct slgt_info *info, MGSL_PARAMS __user *params); +static int get_txidle(struct slgt_info *info, int __user *idle_mode); +static int set_txidle(struct slgt_info *info, int idle_mode); +static int tx_enable(struct slgt_info *info, int enable); +static int tx_abort(struct slgt_info *info); +static int rx_enable(struct slgt_info *info, int enable); +static int modem_input_wait(struct slgt_info *info,int arg); +static int wait_mgsl_event(struct slgt_info *info, int __user *mask_ptr); +static int tiocmget(struct tty_struct *tty, struct file *file); +static int tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear); +static void set_break(struct tty_struct *tty, int break_state); +static int get_interface(struct slgt_info *info, int __user *if_mode); +static int set_interface(struct slgt_info *info, int if_mode); + +/* + * driver functions + */ +static void add_device(struct slgt_info *info); +static void device_init(int adapter_num, struct pci_dev *pdev); +static int claim_resources(struct slgt_info *info); +static void release_resources(struct slgt_info *info); + +/* + * DEBUG OUTPUT CODE + */ +#ifndef DBGINFO +#define DBGINFO(fmt) +#endif +#ifndef DBGERR +#define DBGERR(fmt) +#endif +#ifndef DBGBH +#define DBGBH(fmt) +#endif +#ifndef DBGISR +#define DBGISR(fmt) +#endif + +#ifdef DBGDATA +static void trace_block(struct slgt_info *info, const char *data, int count, const char *label) +{ + int i; + int linecount; + printk("%s %s data:\n",info->device_name, label); + while(count) { + linecount = (count > 16) ? 16 : count; + for(i=0; i < linecount; i++) + printk("%02X ",(unsigned char)data[i]); + for(;i<17;i++) + printk(" "); + for(i=0;i<linecount;i++) { + if (data[i]>=040 && data[i]<=0176) + printk("%c",data[i]); + else + printk("."); + } + printk("\n"); + data += linecount; + count -= linecount; + } +} +#else +#define DBGDATA(info, buf, size, label) +#endif + +#ifdef DBGTBUF +static void dump_tbufs(struct slgt_info *info) +{ + int i; + printk("tbuf_current=%d\n", info->tbuf_current); + for (i=0 ; i < info->tbuf_count ; i++) { + printk("%d: count=%04X status=%04X\n", + i, le16_to_cpu(info->tbufs[i].count), le16_to_cpu(info->tbufs[i].status)); + } +} +#else +#define DBGTBUF(info) +#endif + +#ifdef DBGRBUF +static void dump_rbufs(struct slgt_info *info) +{ + int i; + printk("rbuf_current=%d\n", info->rbuf_current); + for (i=0 ; i < info->rbuf_count ; i++) { + printk("%d: count=%04X status=%04X\n", + i, le16_to_cpu(info->rbufs[i].count), le16_to_cpu(info->rbufs[i].status)); + } +} +#else +#define DBGRBUF(info) +#endif + +static inline int sanity_check(struct slgt_info *info, char *devname, const char *name) +{ +#ifdef SANITY_CHECK + if (!info) { + printk("null struct slgt_info for (%s) in %s\n", devname, name); + return 1; + } + if (info->magic != MGSL_MAGIC) { + printk("bad magic number struct slgt_info (%s) in %s\n", devname, name); + return 1; + } +#else + if (!info) + return 1; +#endif + return 0; +} + +/** + * line discipline callback wrappers + * + * The wrappers maintain line discipline references + * while calling into the line discipline. + * + * ldisc_receive_buf - pass receive data to line discipline + */ +static void ldisc_receive_buf(struct tty_struct *tty, + const __u8 *data, char *flags, int count) +{ + struct tty_ldisc *ld; + if (!tty) + return; + ld = tty_ldisc_ref(tty); + if (ld) { + if (ld->receive_buf) + ld->receive_buf(tty, data, flags, count); + tty_ldisc_deref(ld); + } +} + +/* tty callbacks */ + +static int open(struct tty_struct *tty, struct file *filp) +{ + struct slgt_info *info; + int retval, line; + unsigned long flags; + + line = tty->index; + if ((line < 0) || (line >= slgt_device_count)) { + DBGERR(("%s: open with invalid line #%d.\n", driver_name, line)); + return -ENODEV; + } + + info = slgt_device_list; + while(info && info->line != line) + info = info->next_device; + if (sanity_check(info, tty->name, "open")) + return -ENODEV; + if (info->init_error) { + DBGERR(("%s init error=%d\n", info->device_name, info->init_error)); + return -ENODEV; + } + + tty->driver_data = info; + info->tty = tty; + + DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->count)); + + /* If port is closing, signal caller to try again */ + if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){ + if (info->flags & ASYNC_CLOSING) + interruptible_sleep_on(&info->close_wait); + retval = ((info->flags & ASYNC_HUP_NOTIFY) ? + -EAGAIN : -ERESTARTSYS); + goto cleanup; + } + + info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; + + spin_lock_irqsave(&info->netlock, flags); + if (info->netcount) { + retval = -EBUSY; + spin_unlock_irqrestore(&info->netlock, flags); + goto cleanup; + } + info->count++; + spin_unlock_irqrestore(&info->netlock, flags); + + if (info->count == 1) { + /* 1st open on this device, init hardware */ + retval = startup(info); + if (retval < 0) + goto cleanup; + } + + retval = block_til_ready(tty, filp, info); + if (retval) { + DBGINFO(("%s block_til_ready rc=%d\n", info->device_name, retval)); + goto cleanup; + } + + retval = 0; + +cleanup: + if (retval) { + if (tty->count == 1) + info->tty = NULL; /* tty layer will release tty struct */ + if(info->count) + info->count--; + } + + DBGINFO(("%s open rc=%d\n", info->device_name, retval)); + return retval; +} + +static void close(struct tty_struct *tty, struct file *filp) +{ + struct slgt_info *info = tty->driver_data; + + if (sanity_check(info, tty->name, "close")) + return; + DBGINFO(("%s close entry, count=%d\n", info->device_name, info->count)); + + if (!info->count) + return; + + if (tty_hung_up_p(filp)) + goto cleanup; + + if ((tty->count == 1) && (info->count != 1)) { + /* + * tty->count is 1 and the tty structure will be freed. + * info->count should be one in this case. + * if it's not, correct it so that the port is shutdown. + */ + DBGERR(("%s close: bad refcount; tty->count=1, " + "info->count=%d\n", info->device_name, info->count)); + info->count = 1; + } + + info->count--; + + /* if at least one open remaining, leave hardware active */ + if (info->count) + goto cleanup; + + info->flags |= ASYNC_CLOSING; + + /* set tty->closing to notify line discipline to + * only process XON/XOFF characters. Only the N_TTY + * discipline appears to use this (ppp does not). + */ + tty->closing = 1; + + /* wait for transmit data to clear all layers */ + + if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) { + DBGINFO(("%s call tty_wait_until_sent\n", info->device_name)); + tty_wait_until_sent(tty, info->closing_wait); + } + + if (info->flags & ASYNC_INITIALIZED) + wait_until_sent(tty, info->timeout); + if (tty->driver->flush_buffer) + tty->driver->flush_buffer(tty); + tty_ldisc_flush(tty); + + shutdown(info); + + tty->closing = 0; + info->tty = NULL; + + if (info->blocked_open) { + if (info->close_delay) { + msleep_interruptible(jiffies_to_msecs(info->close_delay)); + } + wake_up_interruptible(&info->open_wait); + } + + info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING); + + wake_up_interruptible(&info->close_wait); + +cleanup: + DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->count)); +} + +static void hangup(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + + if (sanity_check(info, tty->name, "hangup")) + return; + DBGINFO(("%s hangup\n", info->device_name)); + + flush_buffer(tty); + shutdown(info); + + info->count = 0; + info->flags &= ~ASYNC_NORMAL_ACTIVE; + info->tty = NULL; + + wake_up_interruptible(&info->open_wait); +} + +static void set_termios(struct tty_struct *tty, struct termios *old_termios) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + DBGINFO(("%s set_termios\n", tty->driver->name)); + + /* just return if nothing has changed */ + if ((tty->termios->c_cflag == old_termios->c_cflag) + && (RELEVANT_IFLAG(tty->termios->c_iflag) + == RELEVANT_IFLAG(old_termios->c_iflag))) + return; + + change_params(info); + + /* Handle transition to B0 status */ + if (old_termios->c_cflag & CBAUD && + !(tty->termios->c_cflag & CBAUD)) { + info->signals &= ~(SerialSignal_RTS + SerialSignal_DTR); + spin_lock_irqsave(&info->lock,flags); + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + } + + /* Handle transition away from B0 status */ + if (!(old_termios->c_cflag & CBAUD) && + tty->termios->c_cflag & CBAUD) { + info->signals |= SerialSignal_DTR; + if (!(tty->termios->c_cflag & CRTSCTS) || + !test_bit(TTY_THROTTLED, &tty->flags)) { + info->signals |= SerialSignal_RTS; + } + spin_lock_irqsave(&info->lock,flags); + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + } + + /* Handle turning off CRTSCTS */ + if (old_termios->c_cflag & CRTSCTS && + !(tty->termios->c_cflag & CRTSCTS)) { + tty->hw_stopped = 0; + tx_release(tty); + } +} + +static int write(struct tty_struct *tty, + const unsigned char *buf, int count) +{ + int ret = 0; + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "write")) + goto cleanup; + DBGINFO(("%s write count=%d\n", info->device_name, count)); + + if (!tty || !info->tx_buf) + goto cleanup; + + if (count > info->max_frame_size) { + ret = -EIO; + goto cleanup; + } + + if (!count) + goto cleanup; + + if (info->params.mode == MGSL_MODE_RAW) { + unsigned int bufs_needed = (count/DMABUFSIZE); + unsigned int bufs_free = free_tbuf_count(info); + if (count % DMABUFSIZE) + ++bufs_needed; + if (bufs_needed > bufs_free) + goto cleanup; + } else { + if (info->tx_active) + goto cleanup; + if (info->tx_count) { + /* send accumulated data from send_char() calls */ + /* as frame and wait before accepting more data. */ + tx_load(info, info->tx_buf, info->tx_count); + goto start; + } + } + + ret = info->tx_count = count; + tx_load(info, buf, count); + goto start; + +start: + if (info->tx_count && !tty->stopped && !tty->hw_stopped) { + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active) + tx_start(info); + spin_unlock_irqrestore(&info->lock,flags); + } + +cleanup: + DBGINFO(("%s write rc=%d\n", info->device_name, ret)); + return ret; +} + +static void put_char(struct tty_struct *tty, unsigned char ch) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "put_char")) + return; + DBGINFO(("%s put_char(%d)\n", info->device_name, ch)); + if (!tty || !info->tx_buf) + return; + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active && (info->tx_count < info->max_frame_size)) + info->tx_buf[info->tx_count++] = ch; + spin_unlock_irqrestore(&info->lock,flags); +} + +static void send_xchar(struct tty_struct *tty, char ch) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "send_xchar")) + return; + DBGINFO(("%s send_xchar(%d)\n", info->device_name, ch)); + info->x_char = ch; + if (ch) { + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_enabled) + tx_start(info); + spin_unlock_irqrestore(&info->lock,flags); + } +} + +static void wait_until_sent(struct tty_struct *tty, int timeout) +{ + struct slgt_info *info = tty->driver_data; + unsigned long orig_jiffies, char_time; + + if (!info ) + return; + if (sanity_check(info, tty->name, "wait_until_sent")) + return; + DBGINFO(("%s wait_until_sent entry\n", info->device_name)); + if (!(info->flags & ASYNC_INITIALIZED)) + goto exit; + + orig_jiffies = jiffies; + + /* Set check interval to 1/5 of estimated time to + * send a character, and make it at least 1. The check + * interval should also be less than the timeout. + * Note: use tight timings here to satisfy the NIST-PCTS. + */ + + if (info->params.data_rate) { + char_time = info->timeout/(32 * 5); + if (!char_time) + char_time++; + } else + char_time = 1; + + if (timeout) + char_time = min_t(unsigned long, char_time, timeout); + + while (info->tx_active) { + msleep_interruptible(jiffies_to_msecs(char_time)); + if (signal_pending(current)) + break; + if (timeout && time_after(jiffies, orig_jiffies + timeout)) + break; + } + +exit: + DBGINFO(("%s wait_until_sent exit\n", info->device_name)); +} + +static int write_room(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + int ret; + + if (sanity_check(info, tty->name, "write_room")) + return 0; + ret = (info->tx_active) ? 0 : HDLC_MAX_FRAME_SIZE; + DBGINFO(("%s write_room=%d\n", info->device_name, ret)); + return ret; +} + +static void flush_chars(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "flush_chars")) + return; + DBGINFO(("%s flush_chars entry tx_count=%d\n", info->device_name, info->tx_count)); + + if (info->tx_count <= 0 || tty->stopped || + tty->hw_stopped || !info->tx_buf) + return; + + DBGINFO(("%s flush_chars start transmit\n", info->device_name)); + + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active && info->tx_count) { + tx_load(info, info->tx_buf,info->tx_count); + tx_start(info); + } + spin_unlock_irqrestore(&info->lock,flags); +} + +static void flush_buffer(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "flush_buffer")) + return; + DBGINFO(("%s flush_buffer\n", info->device_name)); + + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active) + info->tx_count = 0; + spin_unlock_irqrestore(&info->lock,flags); + + wake_up_interruptible(&tty->write_wait); + tty_wakeup(tty); +} + +/* + * throttle (stop) transmitter + */ +static void tx_hold(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "tx_hold")) + return; + DBGINFO(("%s tx_hold\n", info->device_name)); + spin_lock_irqsave(&info->lock,flags); + if (info->tx_enabled && info->params.mode == MGSL_MODE_ASYNC) + tx_stop(info); + spin_unlock_irqrestore(&info->lock,flags); +} + +/* + * release (start) transmitter + */ +static void tx_release(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "tx_release")) + return; + DBGINFO(("%s tx_release\n", info->device_name)); + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active && info->tx_count) { + tx_load(info, info->tx_buf, info->tx_count); + tx_start(info); + } + spin_unlock_irqrestore(&info->lock,flags); +} + +/* + * Service an IOCTL request + * + * Arguments + * + * tty pointer to tty instance data + * file pointer to associated file object for device + * cmd IOCTL command code + * arg command argument/context + * + * Return 0 if success, otherwise error code + */ +static int ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct slgt_info *info = tty->driver_data; + struct mgsl_icount cnow; /* kernel counter temps */ + struct serial_icounter_struct __user *p_cuser; /* user space */ + unsigned long flags; + void __user *argp = (void __user *)arg; + + if (sanity_check(info, tty->name, "ioctl")) + return -ENODEV; + DBGINFO(("%s ioctl() cmd=%08X\n", info->device_name, cmd)); + + if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) && + (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) { + if (tty->flags & (1 << TTY_IO_ERROR)) + return -EIO; + } + + switch (cmd) { + case MGSL_IOCGPARAMS: + return get_params(info, argp); + case MGSL_IOCSPARAMS: + return set_params(info, argp); + case MGSL_IOCGTXIDLE: + return get_txidle(info, argp); + case MGSL_IOCSTXIDLE: + return set_txidle(info, (int)arg); + case MGSL_IOCTXENABLE: + return tx_enable(info, (int)arg); + case MGSL_IOCRXENABLE: + return rx_enable(info, (int)arg); + case MGSL_IOCTXABORT: + return tx_abort(info); + case MGSL_IOCGSTATS: + return get_stats(info, argp); + case MGSL_IOCWAITEVENT: + return wait_mgsl_event(info, argp); + case TIOCMIWAIT: + return modem_input_wait(info,(int)arg); + case MGSL_IOCGIF: + return get_interface(info, argp); + case MGSL_IOCSIF: + return set_interface(info,(int)arg); + case TIOCGICOUNT: + spin_lock_irqsave(&info->lock,flags); + cnow = info->icount; + spin_unlock_irqrestore(&info->lock,flags); + p_cuser = argp; + if (put_user(cnow.cts, &p_cuser->cts) || + put_user(cnow.dsr, &p_cuser->dsr) || + put_user(cnow.rng, &p_cuser->rng) || + put_user(cnow.dcd, &p_cuser->dcd) || + put_user(cnow.rx, &p_cuser->rx) || + put_user(cnow.tx, &p_cuser->tx) || + put_user(cnow.frame, &p_cuser->frame) || + put_user(cnow.overrun, &p_cuser->overrun) || + put_user(cnow.parity, &p_cuser->parity) || + put_user(cnow.brk, &p_cuser->brk) || + put_user(cnow.buf_overrun, &p_cuser->buf_overrun)) + return -EFAULT; + return 0; + default: + return -ENOIOCTLCMD; + } + return 0; +} + +/* + * proc fs support + */ +static inline int line_info(char *buf, struct slgt_info *info) +{ + char stat_buf[30]; + int ret; + unsigned long flags; + + ret = sprintf(buf, "%s: IO=%08X IRQ=%d MaxFrameSize=%u\n", + info->device_name, info->phys_reg_addr, + info->irq_level, info->max_frame_size); + + /* output current serial signal states */ + spin_lock_irqsave(&info->lock,flags); + get_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + + stat_buf[0] = 0; + stat_buf[1] = 0; + if (info->signals & SerialSignal_RTS) + strcat(stat_buf, "|RTS"); + if (info->signals & SerialSignal_CTS) + strcat(stat_buf, "|CTS"); + if (info->signals & SerialSignal_DTR) + strcat(stat_buf, "|DTR"); + if (info->signals & SerialSignal_DSR) + strcat(stat_buf, "|DSR"); + if (info->signals & SerialSignal_DCD) + strcat(stat_buf, "|CD"); + if (info->signals & SerialSignal_RI) + strcat(stat_buf, "|RI"); + + if (info->params.mode != MGSL_MODE_ASYNC) { + ret += sprintf(buf+ret, "\tHDLC txok:%d rxok:%d", + info->icount.txok, info->icount.rxok); + if (info->icount.txunder) + ret += sprintf(buf+ret, " txunder:%d", info->icount.txunder); + if (info->icount.txabort) + ret += sprintf(buf+ret, " txabort:%d", info->icount.txabort); + if (info->icount.rxshort) + ret += sprintf(buf+ret, " rxshort:%d", info->icount.rxshort); + if (info->icount.rxlong) + ret += sprintf(buf+ret, " rxlong:%d", info->icount.rxlong); + if (info->icount.rxover) + ret += sprintf(buf+ret, " rxover:%d", info->icount.rxover); + if (info->icount.rxcrc) + ret += sprintf(buf+ret, " rxcrc:%d", info->icount.rxcrc); + } else { + ret += sprintf(buf+ret, "\tASYNC tx:%d rx:%d", + info->icount.tx, info->icount.rx); + if (info->icount.frame) + ret += sprintf(buf+ret, " fe:%d", info->icount.frame); + if (info->icount.parity) + ret += sprintf(buf+ret, " pe:%d", info->icount.parity); + if (info->icount.brk) + ret += sprintf(buf+ret, " brk:%d", info->icount.brk); + if (info->icount.overrun) + ret += sprintf(buf+ret, " oe:%d", info->icount.overrun); + } + + /* Append serial signal status to end */ + ret += sprintf(buf+ret, " %s\n", stat_buf+1); + + ret += sprintf(buf+ret, "\ttxactive=%d bh_req=%d bh_run=%d pending_bh=%x\n", + info->tx_active,info->bh_requested,info->bh_running, + info->pending_bh); + + return ret; +} + +/* Called to print information about devices + */ +static int read_proc(char *page, char **start, off_t off, int count, + int *eof, void *data) +{ + int len = 0, l; + off_t begin = 0; + struct slgt_info *info; + + len += sprintf(page, "synclink_gt driver:%s\n", driver_version); + + info = slgt_device_list; + while( info ) { + l = line_info(page + len, info); + len += l; + if (len+begin > off+count) + goto done; + if (len+begin < off) { + begin += len; + len = 0; + } + info = info->next_device; + } + + *eof = 1; +done: + if (off >= len+begin) + return 0; + *start = page + (off-begin); + return ((count < begin+len-off) ? count : begin+len-off); +} + +/* + * return count of bytes in transmit buffer + */ +static int chars_in_buffer(struct tty_struct *tty) +{ + struct slgt_info *info = tty->driver_data; + if (sanity_check(info, tty->name, "chars_in_buffer")) + return 0; + DBGINFO(("%s chars_in_buffer()=%d\n", info->device_name, info->tx_count)); + return info->tx_count; +} + +/* + * signal remote device to throttle send data (our receive data) + */ +static void throttle(struct tty_struct * tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "throttle")) + return; + DBGINFO(("%s throttle\n", info->device_name)); + if (I_IXOFF(tty)) + send_xchar(tty, STOP_CHAR(tty)); + if (tty->termios->c_cflag & CRTSCTS) { + spin_lock_irqsave(&info->lock,flags); + info->signals &= ~SerialSignal_RTS; + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + } +} + +/* + * signal remote device to stop throttling send data (our receive data) + */ +static void unthrottle(struct tty_struct * tty) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + if (sanity_check(info, tty->name, "unthrottle")) + return; + DBGINFO(("%s unthrottle\n", info->device_name)); + if (I_IXOFF(tty)) { + if (info->x_char) + info->x_char = 0; + else + send_xchar(tty, START_CHAR(tty)); + } + if (tty->termios->c_cflag & CRTSCTS) { + spin_lock_irqsave(&info->lock,flags); + info->signals |= SerialSignal_RTS; + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + } +} + +/* + * set or clear transmit break condition + * break_state -1=set break condition, 0=clear + */ +static void set_break(struct tty_struct *tty, int break_state) +{ + struct slgt_info *info = tty->driver_data; + unsigned short value; + unsigned long flags; + + if (sanity_check(info, tty->name, "set_break")) + return; + DBGINFO(("%s set_break(%d)\n", info->device_name, break_state)); + + spin_lock_irqsave(&info->lock,flags); + value = rd_reg16(info, TCR); + if (break_state == -1) + value |= BIT6; + else + value &= ~BIT6; + wr_reg16(info, TCR, value); + spin_unlock_irqrestore(&info->lock,flags); +} + +#ifdef CONFIG_HDLC + +/** + * called by generic HDLC layer when protocol selected (PPP, frame relay, etc.) + * set encoding and frame check sequence (FCS) options + * + * dev pointer to network device structure + * encoding serial encoding setting + * parity FCS setting + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, + unsigned short parity) +{ + struct slgt_info *info = dev_to_port(dev); + unsigned char new_encoding; + unsigned short new_crctype; + + /* return error if TTY interface open */ + if (info->count) + return -EBUSY; + + DBGINFO(("%s hdlcdev_attach\n", info->device_name)); + + switch (encoding) + { + case ENCODING_NRZ: new_encoding = HDLC_ENCODING_NRZ; break; + case ENCODING_NRZI: new_encoding = HDLC_ENCODING_NRZI_SPACE; break; + case ENCODING_FM_MARK: new_encoding = HDLC_ENCODING_BIPHASE_MARK; break; + case ENCODING_FM_SPACE: new_encoding = HDLC_ENCODING_BIPHASE_SPACE; break; + case ENCODING_MANCHESTER: new_encoding = HDLC_ENCODING_BIPHASE_LEVEL; break; + default: return -EINVAL; + } + + switch (parity) + { + case PARITY_NONE: new_crctype = HDLC_CRC_NONE; break; + case PARITY_CRC16_PR1_CCITT: new_crctype = HDLC_CRC_16_CCITT; break; + case PARITY_CRC32_PR1_CCITT: new_crctype = HDLC_CRC_32_CCITT; break; + default: return -EINVAL; + } + + info->params.encoding = new_encoding; + info->params.crc_type = new_crctype;; + + /* if network interface up, reprogram hardware */ + if (info->netcount) + program_hw(info); + + return 0; +} + +/** + * called by generic HDLC layer to send frame + * + * skb socket buffer containing HDLC frame + * dev pointer to network device structure + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct slgt_info *info = dev_to_port(dev); + struct net_device_stats *stats = hdlc_stats(dev); + unsigned long flags; + + DBGINFO(("%s hdlc_xmit\n", dev->name)); + + /* stop sending until this frame completes */ + netif_stop_queue(dev); + + /* copy data to device buffers */ + info->tx_count = skb->len; + tx_load(info, skb->data, skb->len); + + /* update network statistics */ + stats->tx_packets++; + stats->tx_bytes += skb->len; + + /* done with socket buffer, so free it */ + dev_kfree_skb(skb); + + /* save start time for transmit timeout detection */ + dev->trans_start = jiffies; + + /* start hardware transmitter if necessary */ + spin_lock_irqsave(&info->lock,flags); + if (!info->tx_active) + tx_start(info); + spin_unlock_irqrestore(&info->lock,flags); + + return 0; +} + +/** + * called by network layer when interface enabled + * claim resources and initialize hardware + * + * dev pointer to network device structure + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_open(struct net_device *dev) +{ + struct slgt_info *info = dev_to_port(dev); + int rc; + unsigned long flags; + + DBGINFO(("%s hdlcdev_open\n", dev->name)); + + /* generic HDLC layer open processing */ + if ((rc = hdlc_open(dev))) + return rc; + + /* arbitrate between network and tty opens */ + spin_lock_irqsave(&info->netlock, flags); + if (info->count != 0 || info->netcount != 0) { + DBGINFO(("%s hdlc_open busy\n", dev->name)); + spin_unlock_irqrestore(&info->netlock, flags); + return -EBUSY; + } + info->netcount=1; + spin_unlock_irqrestore(&info->netlock, flags); + + /* claim resources and init adapter */ + if ((rc = startup(info)) != 0) { + spin_lock_irqsave(&info->netlock, flags); + info->netcount=0; + spin_unlock_irqrestore(&info->netlock, flags); + return rc; + } + + /* assert DTR and RTS, apply hardware settings */ + info->signals |= SerialSignal_RTS + SerialSignal_DTR; + program_hw(info); + + /* enable network layer transmit */ + dev->trans_start = jiffies; + netif_start_queue(dev); + + /* inform generic HDLC layer of current DCD status */ + spin_lock_irqsave(&info->lock, flags); + get_signals(info); + spin_unlock_irqrestore(&info->lock, flags); + hdlc_set_carrier(info->signals & SerialSignal_DCD, dev); + + return 0; +} + +/** + * called by network layer when interface is disabled + * shutdown hardware and release resources + * + * dev pointer to network device structure + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_close(struct net_device *dev) +{ + struct slgt_info *info = dev_to_port(dev); + unsigned long flags; + + DBGINFO(("%s hdlcdev_close\n", dev->name)); + + netif_stop_queue(dev); + + /* shutdown adapter and release resources */ + shutdown(info); + + hdlc_close(dev); + + spin_lock_irqsave(&info->netlock, flags); + info->netcount=0; + spin_unlock_irqrestore(&info->netlock, flags); + + return 0; +} + +/** + * called by network layer to process IOCTL call to network device + * + * dev pointer to network device structure + * ifr pointer to network interface request structure + * cmd IOCTL command code + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +{ + const size_t size = sizeof(sync_serial_settings); + sync_serial_settings new_line; + sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync; + struct slgt_info *info = dev_to_port(dev); + unsigned int flags; + + DBGINFO(("%s hdlcdev_ioctl\n", dev->name)); + + /* return error if TTY interface open */ + if (info->count) + return -EBUSY; + + if (cmd != SIOCWANDEV) + return hdlc_ioctl(dev, ifr, cmd); + + switch(ifr->ifr_settings.type) { + case IF_GET_IFACE: /* return current sync_serial_settings */ + + ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL; + if (ifr->ifr_settings.size < size) { + ifr->ifr_settings.size = size; /* data size wanted */ + return -ENOBUFS; + } + + flags = info->params.flags & (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | + HDLC_FLAG_RXC_BRG | HDLC_FLAG_RXC_TXCPIN | + HDLC_FLAG_TXC_TXCPIN | HDLC_FLAG_TXC_DPLL | + HDLC_FLAG_TXC_BRG | HDLC_FLAG_TXC_RXCPIN); + + switch (flags){ + case (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_TXCPIN): new_line.clock_type = CLOCK_EXT; break; + case (HDLC_FLAG_RXC_BRG | HDLC_FLAG_TXC_BRG): new_line.clock_type = CLOCK_INT; break; + case (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_BRG): new_line.clock_type = CLOCK_TXINT; break; + case (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_RXCPIN): new_line.clock_type = CLOCK_TXFROMRX; break; + default: new_line.clock_type = CLOCK_DEFAULT; + } + + new_line.clock_rate = info->params.clock_speed; + new_line.loopback = info->params.loopback ? 1:0; + + if (copy_to_user(line, &new_line, size)) + return -EFAULT; + return 0; + + case IF_IFACE_SYNC_SERIAL: /* set sync_serial_settings */ + + if(!capable(CAP_NET_ADMIN)) + return -EPERM; + if (copy_from_user(&new_line, line, size)) + return -EFAULT; + + switch (new_line.clock_type) + { + case CLOCK_EXT: flags = HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_TXCPIN; break; + case CLOCK_TXFROMRX: flags = HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_RXCPIN; break; + case CLOCK_INT: flags = HDLC_FLAG_RXC_BRG | HDLC_FLAG_TXC_BRG; break; + case CLOCK_TXINT: flags = HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_TXC_BRG; break; + case CLOCK_DEFAULT: flags = info->params.flags & + (HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | + HDLC_FLAG_RXC_BRG | HDLC_FLAG_RXC_TXCPIN | + HDLC_FLAG_TXC_TXCPIN | HDLC_FLAG_TXC_DPLL | + HDLC_FLAG_TXC_BRG | HDLC_FLAG_TXC_RXCPIN); break; + default: return -EINVAL; + } + + if (new_line.loopback != 0 && new_line.loopback != 1) + return -EINVAL; + + info->params.flags &= ~(HDLC_FLAG_RXC_RXCPIN | HDLC_FLAG_RXC_DPLL | + HDLC_FLAG_RXC_BRG | HDLC_FLAG_RXC_TXCPIN | + HDLC_FLAG_TXC_TXCPIN | HDLC_FLAG_TXC_DPLL | + HDLC_FLAG_TXC_BRG | HDLC_FLAG_TXC_RXCPIN); + info->params.flags |= flags; + + info->params.loopback = new_line.loopback; + + if (flags & (HDLC_FLAG_RXC_BRG | HDLC_FLAG_TXC_BRG)) + info->params.clock_speed = new_line.clock_rate; + else + info->params.clock_speed = 0; + + /* if network interface up, reprogram hardware */ + if (info->netcount) + program_hw(info); + return 0; + + default: + return hdlc_ioctl(dev, ifr, cmd); + } +} + +/** + * called by network layer when transmit timeout is detected + * + * dev pointer to network device structure + */ +static void hdlcdev_tx_timeout(struct net_device *dev) +{ + struct slgt_info *info = dev_to_port(dev); + struct net_device_stats *stats = hdlc_stats(dev); + unsigned long flags; + + DBGINFO(("%s hdlcdev_tx_timeout\n", dev->name)); + + stats->tx_errors++; + stats->tx_aborted_errors++; + + spin_lock_irqsave(&info->lock,flags); + tx_stop(info); + spin_unlock_irqrestore(&info->lock,flags); + + netif_wake_queue(dev); +} + +/** + * called by device driver when transmit completes + * reenable network layer transmit if stopped + * + * info pointer to device instance information + */ +static void hdlcdev_tx_done(struct slgt_info *info) +{ + if (netif_queue_stopped(info->netdev)) + netif_wake_queue(info->netdev); +} + +/** + * called by device driver when frame received + * pass frame to network layer + * + * info pointer to device instance information + * buf pointer to buffer contianing frame data + * size count of data bytes in buf + */ +static void hdlcdev_rx(struct slgt_info *info, char *buf, int size) +{ + struct sk_buff *skb = dev_alloc_skb(size); + struct net_device *dev = info->netdev; + struct net_device_stats *stats = hdlc_stats(dev); + + DBGINFO(("%s hdlcdev_rx\n", dev->name)); + + if (skb == NULL) { + DBGERR(("%s: can't alloc skb, drop packet\n", dev->name)); + stats->rx_dropped++; + return; + } + + memcpy(skb_put(skb, size),buf,size); + + skb->protocol = hdlc_type_trans(skb, info->netdev); + + stats->rx_packets++; + stats->rx_bytes += size; + + netif_rx(skb); + + info->netdev->last_rx = jiffies; +} + +/** + * called by device driver when adding device instance + * do generic HDLC initialization + * + * info pointer to device instance information + * + * returns 0 if success, otherwise error code + */ +static int hdlcdev_init(struct slgt_info *info) +{ + int rc; + struct net_device *dev; + hdlc_device *hdlc; + + /* allocate and initialize network and HDLC layer objects */ + + if (!(dev = alloc_hdlcdev(info))) { + printk(KERN_ERR "%s hdlc device alloc failure\n", info->device_name); + return -ENOMEM; + } + + /* for network layer reporting purposes only */ + dev->mem_start = info->phys_reg_addr; + dev->mem_end = info->phys_reg_addr + SLGT_REG_SIZE - 1; + dev->irq = info->irq_level; + + /* network layer callbacks and settings */ + dev->do_ioctl = hdlcdev_ioctl; + dev->open = hdlcdev_open; + dev->stop = hdlcdev_close; + dev->tx_timeout = hdlcdev_tx_timeout; + dev->watchdog_timeo = 10*HZ; + dev->tx_queue_len = 50; + + /* generic HDLC layer callbacks and settings */ + hdlc = dev_to_hdlc(dev); + hdlc->attach = hdlcdev_attach; + hdlc->xmit = hdlcdev_xmit; + + /* register objects with HDLC layer */ + if ((rc = register_hdlc_device(dev))) { + printk(KERN_WARNING "%s:unable to register hdlc device\n",__FILE__); + free_netdev(dev); + return rc; + } + + info->netdev = dev; + return 0; +} + +/** + * called by device driver when removing device instance + * do generic HDLC cleanup + * + * info pointer to device instance information + */ +static void hdlcdev_exit(struct slgt_info *info) +{ + unregister_hdlc_device(info->netdev); + free_netdev(info->netdev); + info->netdev = NULL; +} + +#endif /* ifdef CONFIG_HDLC */ + +/* + * get async data from rx DMA buffers + */ +static void rx_async(struct slgt_info *info) +{ + struct tty_struct *tty = info->tty; + struct mgsl_icount *icount = &info->icount; + unsigned int start, end; + unsigned char *p; + unsigned char status; + struct slgt_desc *bufs = info->rbufs; + int i, count; + int chars = 0; + int stat; + unsigned char ch; + + start = end = info->rbuf_current; + + while(desc_complete(bufs[end])) { + count = desc_count(bufs[end]) - info->rbuf_index; + p = bufs[end].buf + info->rbuf_index; + + DBGISR(("%s rx_async count=%d\n", info->device_name, count)); + DBGDATA(info, p, count, "rx"); + + for(i=0 ; i < count; i+=2, p+=2) { + if (tty && chars) { + tty_flip_buffer_push(tty); + chars = 0; + } + ch = *p; + icount->rx++; + + stat = 0; + + if ((status = *(p+1) & (BIT9 + BIT8))) { + if (status & BIT9) + icount->parity++; + else if (status & BIT8) + icount->frame++; + /* discard char if tty control flags say so */ + if (status & info->ignore_status_mask) + continue; + if (status & BIT9) + stat = TTY_PARITY; + else if (status & BIT8) + stat = TTY_FRAME; + } + if (tty) { + tty_insert_flip_char(tty, ch, stat); + chars++; + } + } + + if (i < count) { + /* receive buffer not completed */ + info->rbuf_index += i; + info->rx_timer.expires = jiffies + 1; + add_timer(&info->rx_timer); + break; + } + + info->rbuf_index = 0; + free_rbufs(info, end, end); + + if (++end == info->rbuf_count) + end = 0; + + /* if entire list searched then no frame available */ + if (end == start) + break; + } + + if (tty && chars) + tty_flip_buffer_push(tty); +} + +/* + * return next bottom half action to perform + */ +static int bh_action(struct slgt_info *info) +{ + unsigned long flags; + int rc; + + spin_lock_irqsave(&info->lock,flags); + + if (info->pending_bh & BH_RECEIVE) { + info->pending_bh &= ~BH_RECEIVE; + rc = BH_RECEIVE; + } else if (info->pending_bh & BH_TRANSMIT) { + info->pending_bh &= ~BH_TRANSMIT; + rc = BH_TRANSMIT; + } else if (info->pending_bh & BH_STATUS) { + info->pending_bh &= ~BH_STATUS; + rc = BH_STATUS; + } else { + /* Mark BH routine as complete */ + info->bh_running = 0; + info->bh_requested = 0; + rc = 0; + } + + spin_unlock_irqrestore(&info->lock,flags); + + return rc; +} + +/* + * perform bottom half processing + */ +static void bh_handler(void* context) +{ + struct slgt_info *info = context; + int action; + + if (!info) + return; + info->bh_running = 1; + + while((action = bh_action(info))) { + switch (action) { + case BH_RECEIVE: + DBGBH(("%s bh receive\n", info->device_name)); + switch(info->params.mode) { + case MGSL_MODE_ASYNC: + rx_async(info); + break; + case MGSL_MODE_HDLC: + while(rx_get_frame(info)); + break; + case MGSL_MODE_RAW: + while(rx_get_buf(info)); + break; + } + /* restart receiver if rx DMA buffers exhausted */ + if (info->rx_restart) + rx_start(info); + break; + case BH_TRANSMIT: + bh_transmit(info); + break; + case BH_STATUS: + DBGBH(("%s bh status\n", info->device_name)); + info->ri_chkcount = 0; + info->dsr_chkcount = 0; + info->dcd_chkcount = 0; + info->cts_chkcount = 0; + break; + default: + DBGBH(("%s unknown action\n", info->device_name)); + break; + } + } + DBGBH(("%s bh_handler exit\n", info->device_name)); +} + +static void bh_transmit(struct slgt_info *info) +{ + struct tty_struct *tty = info->tty; + + DBGBH(("%s bh_transmit\n", info->device_name)); + if (tty) { + tty_wakeup(tty); + wake_up_interruptible(&tty->write_wait); + } +} + +static void dsr_change(struct slgt_info *info) +{ + get_signals(info); + DBGISR(("dsr_change %s signals=%04X\n", info->device_name, info->signals)); + if ((info->dsr_chkcount)++ == IO_PIN_SHUTDOWN_LIMIT) { + slgt_irq_off(info, IRQ_DSR); + return; + } + info->icount.dsr++; + if (info->signals & SerialSignal_DSR) + info->input_signal_events.dsr_up++; + else + info->input_signal_events.dsr_down++; + wake_up_interruptible(&info->status_event_wait_q); + wake_up_interruptible(&info->event_wait_q); + info->pending_bh |= BH_STATUS; +} + +static void cts_change(struct slgt_info *info) +{ + get_signals(info); + DBGISR(("cts_change %s signals=%04X\n", info->device_name, info->signals)); + if ((info->cts_chkcount)++ == IO_PIN_SHUTDOWN_LIMIT) { + slgt_irq_off(info, IRQ_CTS); + return; + } + info->icount.cts++; + if (info->signals & SerialSignal_CTS) + info->input_signal_events.cts_up++; + else + info->input_signal_events.cts_down++; + wake_up_interruptible(&info->status_event_wait_q); + wake_up_interruptible(&info->event_wait_q); + info->pending_bh |= BH_STATUS; + + if (info->flags & ASYNC_CTS_FLOW) { + if (info->tty) { + if (info->tty->hw_stopped) { + if (info->signals & SerialSignal_CTS) { + info->tty->hw_stopped = 0; + info->pending_bh |= BH_TRANSMIT; + return; + } + } else { + if (!(info->signals & SerialSignal_CTS)) + info->tty->hw_stopped = 1; + } + } + } +} + +static void dcd_change(struct slgt_info *info) +{ + get_signals(info); + DBGISR(("dcd_change %s signals=%04X\n", info->device_name, info->signals)); + if ((info->dcd_chkcount)++ == IO_PIN_SHUTDOWN_LIMIT) { + slgt_irq_off(info, IRQ_DCD); + return; + } + info->icount.dcd++; + if (info->signals & SerialSignal_DCD) { + info->input_signal_events.dcd_up++; + } else { + info->input_signal_events.dcd_down++; + } +#ifdef CONFIG_HDLC + if (info->netcount) + hdlc_set_carrier(info->signals & SerialSignal_DCD, info->netdev); +#endif + wake_up_interruptible(&info->status_event_wait_q); + wake_up_interruptible(&info->event_wait_q); + info->pending_bh |= BH_STATUS; + + if (info->flags & ASYNC_CHECK_CD) { + if (info->signals & SerialSignal_DCD) + wake_up_interruptible(&info->open_wait); + else { + if (info->tty) + tty_hangup(info->tty); + } + } +} + +static void ri_change(struct slgt_info *info) +{ + get_signals(info); + DBGISR(("ri_change %s signals=%04X\n", info->device_name, info->signals)); + if ((info->ri_chkcount)++ == IO_PIN_SHUTDOWN_LIMIT) { + slgt_irq_off(info, IRQ_RI); + return; + } + info->icount.dcd++; + if (info->signals & SerialSignal_RI) { + info->input_signal_events.ri_up++; + } else { + info->input_signal_events.ri_down++; + } + wake_up_interruptible(&info->status_event_wait_q); + wake_up_interruptible(&info->event_wait_q); + info->pending_bh |= BH_STATUS; +} + +static void isr_serial(struct slgt_info *info) +{ + unsigned short status = rd_reg16(info, SSR); + + DBGISR(("%s isr_serial status=%04X\n", info->device_name, status)); + + wr_reg16(info, SSR, status); /* clear pending */ + + info->irq_occurred = 1; + + if (info->params.mode == MGSL_MODE_ASYNC) { + if (status & IRQ_TXIDLE) { + if (info->tx_count) + isr_txeom(info, status); + } + if ((status & IRQ_RXBREAK) && (status & RXBREAK)) { + info->icount.brk++; + /* process break detection if tty control allows */ + if (info->tty) { + if (!(status & info->ignore_status_mask)) { + if (info->read_status_mask & MASK_BREAK) { + tty_insert_flip_char(info->tty, 0, TTY_BREAK); + if (info->flags & ASYNC_SAK) + do_SAK(info->tty); + } + } + } + } + } else { + if (status & (IRQ_TXIDLE + IRQ_TXUNDER)) + isr_txeom(info, status); + + if (status & IRQ_RXIDLE) { + if (status & RXIDLE) + info->icount.rxidle++; + else + info->icount.exithunt++; + wake_up_interruptible(&info->event_wait_q); + } + + if (status & IRQ_RXOVER) + rx_start(info); + } + + if (status & IRQ_DSR) + dsr_change(info); + if (status & IRQ_CTS) + cts_change(info); + if (status & IRQ_DCD) + dcd_change(info); + if (status & IRQ_RI) + ri_change(info); +} + +static void isr_rdma(struct slgt_info *info) +{ + unsigned int status = rd_reg32(info, RDCSR); + + DBGISR(("%s isr_rdma status=%08x\n", info->device_name, status)); + + /* RDCSR (rx DMA control/status) + * + * 31..07 reserved + * 06 save status byte to DMA buffer + * 05 error + * 04 eol (end of list) + * 03 eob (end of buffer) + * 02 IRQ enable + * 01 reset + * 00 enable + */ + wr_reg32(info, RDCSR, status); /* clear pending */ + + if (status & (BIT5 + BIT4)) { + DBGISR(("%s isr_rdma rx_restart=1\n", info->device_name)); + info->rx_restart = 1; + } + info->pending_bh |= BH_RECEIVE; +} + +static void isr_tdma(struct slgt_info *info) +{ + unsigned int status = rd_reg32(info, TDCSR); + + DBGISR(("%s isr_tdma status=%08x\n", info->device_name, status)); + + /* TDCSR (tx DMA control/status) + * + * 31..06 reserved + * 05 error + * 04 eol (end of list) + * 03 eob (end of buffer) + * 02 IRQ enable + * 01 reset + * 00 enable + */ + wr_reg32(info, TDCSR, status); /* clear pending */ + + if (status & (BIT5 + BIT4 + BIT3)) { + // another transmit buffer has completed + // run bottom half to get more send data from user + info->pending_bh |= BH_TRANSMIT; + } +} + +static void isr_txeom(struct slgt_info *info, unsigned short status) +{ + DBGISR(("%s txeom status=%04x\n", info->device_name, status)); + + slgt_irq_off(info, IRQ_TXDATA + IRQ_TXIDLE + IRQ_TXUNDER); + tdma_reset(info); + reset_tbufs(info); + if (status & IRQ_TXUNDER) { + unsigned short val = rd_reg16(info, TCR); + wr_reg16(info, TCR, (unsigned short)(val | BIT2)); /* set reset bit */ + wr_reg16(info, TCR, val); /* clear reset bit */ + } + + if (info->tx_active) { + if (info->params.mode != MGSL_MODE_ASYNC) { + if (status & IRQ_TXUNDER) + info->icount.txunder++; + else if (status & IRQ_TXIDLE) + info->icount.txok++; + } + + info->tx_active = 0; + info->tx_count = 0; + + del_timer(&info->tx_timer); + + if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done) { + info->signals &= ~SerialSignal_RTS; + info->drop_rts_on_tx_done = 0; + set_signals(info); + } + +#ifdef CONFIG_HDLC + if (info->netcount) + hdlcdev_tx_done(info); + else +#endif + { + if (info->tty && (info->tty->stopped || info->tty->hw_stopped)) { + tx_stop(info); + return; + } + info->pending_bh |= BH_TRANSMIT; + } + } +} + +/* interrupt service routine + * + * irq interrupt number + * dev_id device ID supplied during interrupt registration + * regs interrupted processor context + */ +static irqreturn_t slgt_interrupt(int irq, void *dev_id, struct pt_regs * regs) +{ + struct slgt_info *info; + unsigned int gsr; + unsigned int i; + + DBGISR(("slgt_interrupt irq=%d entry\n", irq)); + + info = dev_id; + if (!info) + return IRQ_NONE; + + spin_lock(&info->lock); + + while((gsr = rd_reg32(info, GSR) & 0xffffff00)) { + DBGISR(("%s gsr=%08x\n", info->device_name, gsr)); + info->irq_occurred = 1; + for(i=0; i < info->port_count ; i++) { + if (info->port_array[i] == NULL) + continue; + if (gsr & (BIT8 << i)) + isr_serial(info->port_array[i]); + if (gsr & (BIT16 << (i*2))) + isr_rdma(info->port_array[i]); + if (gsr & (BIT17 << (i*2))) + isr_tdma(info->port_array[i]); + } + } + + for(i=0; i < info->port_count ; i++) { + struct slgt_info *port = info->port_array[i]; + + if (port && (port->count || port->netcount) && + port->pending_bh && !port->bh_running && + !port->bh_requested) { + DBGISR(("%s bh queued\n", port->device_name)); + schedule_work(&port->task); + port->bh_requested = 1; + } + } + + spin_unlock(&info->lock); + + DBGISR(("slgt_interrupt irq=%d exit\n", irq)); + return IRQ_HANDLED; +} + +static int startup(struct slgt_info *info) +{ + DBGINFO(("%s startup\n", info->device_name)); + + if (info->flags & ASYNC_INITIALIZED) + return 0; + + if (!info->tx_buf) { + info->tx_buf = kmalloc(info->max_frame_size, GFP_KERNEL); + if (!info->tx_buf) { + DBGERR(("%s can't allocate tx buffer\n", info->device_name)); + return -ENOMEM; + } + } + + info->pending_bh = 0; + + memset(&info->icount, 0, sizeof(info->icount)); + + /* program hardware for current parameters */ + change_params(info); + + if (info->tty) + clear_bit(TTY_IO_ERROR, &info->tty->flags); + + info->flags |= ASYNC_INITIALIZED; + + return 0; +} + +/* + * called by close() and hangup() to shutdown hardware + */ +static void shutdown(struct slgt_info *info) +{ + unsigned long flags; + + if (!(info->flags & ASYNC_INITIALIZED)) + return; + + DBGINFO(("%s shutdown\n", info->device_name)); + + /* clear status wait queue because status changes */ + /* can't happen after shutting down the hardware */ + wake_up_interruptible(&info->status_event_wait_q); + wake_up_interruptible(&info->event_wait_q); + + del_timer_sync(&info->tx_timer); + del_timer_sync(&info->rx_timer); + + kfree(info->tx_buf); + info->tx_buf = NULL; + + spin_lock_irqsave(&info->lock,flags); + + tx_stop(info); + rx_stop(info); + + slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); + + if (!info->tty || info->tty->termios->c_cflag & HUPCL) { + info->signals &= ~(SerialSignal_DTR + SerialSignal_RTS); + set_signals(info); + } + + spin_unlock_irqrestore(&info->lock,flags); + + if (info->tty) + set_bit(TTY_IO_ERROR, &info->tty->flags); + + info->flags &= ~ASYNC_INITIALIZED; +} + +static void program_hw(struct slgt_info *info) +{ + unsigned long flags; + + spin_lock_irqsave(&info->lock,flags); + + rx_stop(info); + tx_stop(info); + + if (info->params.mode == MGSL_MODE_HDLC || + info->params.mode == MGSL_MODE_RAW || + info->netcount) + hdlc_mode(info); + else + async_mode(info); + + set_signals(info); + + info->dcd_chkcount = 0; + info->cts_chkcount = 0; + info->ri_chkcount = 0; + info->dsr_chkcount = 0; + + slgt_irq_on(info, IRQ_DCD | IRQ_CTS | IRQ_DSR); + get_signals(info); + + if (info->netcount || + (info->tty && info->tty->termios->c_cflag & CREAD)) + rx_start(info); + + spin_unlock_irqrestore(&info->lock,flags); +} + +/* + * reconfigure adapter based on new parameters + */ +static void change_params(struct slgt_info *info) +{ + unsigned cflag; + int bits_per_char; + + if (!info->tty || !info->tty->termios) + return; + DBGINFO(("%s change_params\n", info->device_name)); + + cflag = info->tty->termios->c_cflag; + + /* if B0 rate (hangup) specified then negate DTR and RTS */ + /* otherwise assert DTR and RTS */ + if (cflag & CBAUD) + info->signals |= SerialSignal_RTS + SerialSignal_DTR; + else + info->signals &= ~(SerialSignal_RTS + SerialSignal_DTR); + + /* byte size and parity */ + + switch (cflag & CSIZE) { + case CS5: info->params.data_bits = 5; break; + case CS6: info->params.data_bits = 6; break; + case CS7: info->params.data_bits = 7; break; + case CS8: info->params.data_bits = 8; break; + default: info->params.data_bits = 7; break; + } + + info->params.stop_bits = (cflag & CSTOPB) ? 2 : 1; + + if (cflag & PARENB) + info->params.parity = (cflag & PARODD) ? ASYNC_PARITY_ODD : ASYNC_PARITY_EVEN; + else + info->params.parity = ASYNC_PARITY_NONE; + + /* calculate number of jiffies to transmit a full + * FIFO (32 bytes) at specified data rate + */ + bits_per_char = info->params.data_bits + + info->params.stop_bits + 1; + + info->params.data_rate = tty_get_baud_rate(info->tty); + + if (info->params.data_rate) { + info->timeout = (32*HZ*bits_per_char) / + info->params.data_rate; + } + info->timeout += HZ/50; /* Add .02 seconds of slop */ + + if (cflag & CRTSCTS) + info->flags |= ASYNC_CTS_FLOW; + else + info->flags &= ~ASYNC_CTS_FLOW; + + if (cflag & CLOCAL) + info->flags &= ~ASYNC_CHECK_CD; + else + info->flags |= ASYNC_CHECK_CD; + + /* process tty input control flags */ + + info->read_status_mask = IRQ_RXOVER; + if (I_INPCK(info->tty)) + info->read_status_mask |= MASK_PARITY | MASK_FRAMING; + if (I_BRKINT(info->tty) || I_PARMRK(info->tty)) + info->read_status_mask |= MASK_BREAK; + if (I_IGNPAR(info->tty)) + info->ignore_status_mask |= MASK_PARITY | MASK_FRAMING; + if (I_IGNBRK(info->tty)) { + info->ignore_status_mask |= MASK_BREAK; + /* If ignoring parity and break indicators, ignore + * overruns too. (For real raw support). + */ + if (I_IGNPAR(info->tty)) + info->ignore_status_mask |= MASK_OVERRUN; + } + + program_hw(info); +} + +static int get_stats(struct slgt_info *info, struct mgsl_icount __user *user_icount) +{ + DBGINFO(("%s get_stats\n", info->device_name)); + if (!user_icount) { + memset(&info->icount, 0, sizeof(info->icount)); + } else { + if (copy_to_user(user_icount, &info->icount, sizeof(struct mgsl_icount))) + return -EFAULT; + } + return 0; +} + +static int get_params(struct slgt_info *info, MGSL_PARAMS __user *user_params) +{ + DBGINFO(("%s get_params\n", info->device_name)); + if (copy_to_user(user_params, &info->params, sizeof(MGSL_PARAMS))) + return -EFAULT; + return 0; +} + +static int set_params(struct slgt_info *info, MGSL_PARAMS __user *new_params) +{ + unsigned long flags; + MGSL_PARAMS tmp_params; + + DBGINFO(("%s set_params\n", info->device_name)); + if (copy_from_user(&tmp_params, new_params, sizeof(MGSL_PARAMS))) + return -EFAULT; + + spin_lock_irqsave(&info->lock, flags); + memcpy(&info->params, &tmp_params, sizeof(MGSL_PARAMS)); + spin_unlock_irqrestore(&info->lock, flags); + + change_params(info); + + return 0; +} + +static int get_txidle(struct slgt_info *info, int __user *idle_mode) +{ + DBGINFO(("%s get_txidle=%d\n", info->device_name, info->idle_mode)); + if (put_user(info->idle_mode, idle_mode)) + return -EFAULT; + return 0; +} + +static int set_txidle(struct slgt_info *info, int idle_mode) +{ + unsigned long flags; + DBGINFO(("%s set_txidle(%d)\n", info->device_name, idle_mode)); + spin_lock_irqsave(&info->lock,flags); + info->idle_mode = idle_mode; + tx_set_idle(info); + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +static int tx_enable(struct slgt_info *info, int enable) +{ + unsigned long flags; + DBGINFO(("%s tx_enable(%d)\n", info->device_name, enable)); + spin_lock_irqsave(&info->lock,flags); + if (enable) { + if (!info->tx_enabled) + tx_start(info); + } else { + if (info->tx_enabled) + tx_stop(info); + } + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +/* + * abort transmit HDLC frame + */ +static int tx_abort(struct slgt_info *info) +{ + unsigned long flags; + DBGINFO(("%s tx_abort\n", info->device_name)); + spin_lock_irqsave(&info->lock,flags); + tdma_reset(info); + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +static int rx_enable(struct slgt_info *info, int enable) +{ + unsigned long flags; + DBGINFO(("%s rx_enable(%d)\n", info->device_name, enable)); + spin_lock_irqsave(&info->lock,flags); + if (enable) { + if (!info->rx_enabled) + rx_start(info); + } else { + if (info->rx_enabled) + rx_stop(info); + } + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +/* + * wait for specified event to occur + */ +static int wait_mgsl_event(struct slgt_info *info, int __user *mask_ptr) +{ + unsigned long flags; + int s; + int rc=0; + struct mgsl_icount cprev, cnow; + int events; + int mask; + struct _input_signal_events oldsigs, newsigs; + DECLARE_WAITQUEUE(wait, current); + + if (get_user(mask, mask_ptr)) + return -EFAULT; + + DBGINFO(("%s wait_mgsl_event(%d)\n", info->device_name, mask)); + + spin_lock_irqsave(&info->lock,flags); + + /* return immediately if state matches requested events */ + get_signals(info); + s = info->signals; + + events = mask & + ( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) + + ((s & SerialSignal_DCD) ? MgslEvent_DcdActive:MgslEvent_DcdInactive) + + ((s & SerialSignal_CTS) ? MgslEvent_CtsActive:MgslEvent_CtsInactive) + + ((s & SerialSignal_RI) ? MgslEvent_RiActive :MgslEvent_RiInactive) ); + if (events) { + spin_unlock_irqrestore(&info->lock,flags); + goto exit; + } + + /* save current irq counts */ + cprev = info->icount; + oldsigs = info->input_signal_events; + + /* enable hunt and idle irqs if needed */ + if (mask & (MgslEvent_ExitHuntMode+MgslEvent_IdleReceived)) { + unsigned short val = rd_reg16(info, SCR); + if (!(val & IRQ_RXIDLE)) + wr_reg16(info, SCR, (unsigned short)(val | IRQ_RXIDLE)); + } + + set_current_state(TASK_INTERRUPTIBLE); + add_wait_queue(&info->event_wait_q, &wait); + + spin_unlock_irqrestore(&info->lock,flags); + + for(;;) { + schedule(); + if (signal_pending(current)) { + rc = -ERESTARTSYS; + break; + } + + /* get current irq counts */ + spin_lock_irqsave(&info->lock,flags); + cnow = info->icount; + newsigs = info->input_signal_events; + set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&info->lock,flags); + + /* if no change, wait aborted for some reason */ + if (newsigs.dsr_up == oldsigs.dsr_up && + newsigs.dsr_down == oldsigs.dsr_down && + newsigs.dcd_up == oldsigs.dcd_up && + newsigs.dcd_down == oldsigs.dcd_down && + newsigs.cts_up == oldsigs.cts_up && + newsigs.cts_down == oldsigs.cts_down && + newsigs.ri_up == oldsigs.ri_up && + newsigs.ri_down == oldsigs.ri_down && + cnow.exithunt == cprev.exithunt && + cnow.rxidle == cprev.rxidle) { + rc = -EIO; + break; + } + + events = mask & + ( (newsigs.dsr_up != oldsigs.dsr_up ? MgslEvent_DsrActive:0) + + (newsigs.dsr_down != oldsigs.dsr_down ? MgslEvent_DsrInactive:0) + + (newsigs.dcd_up != oldsigs.dcd_up ? MgslEvent_DcdActive:0) + + (newsigs.dcd_down != oldsigs.dcd_down ? MgslEvent_DcdInactive:0) + + (newsigs.cts_up != oldsigs.cts_up ? MgslEvent_CtsActive:0) + + (newsigs.cts_down != oldsigs.cts_down ? MgslEvent_CtsInactive:0) + + (newsigs.ri_up != oldsigs.ri_up ? MgslEvent_RiActive:0) + + (newsigs.ri_down != oldsigs.ri_down ? MgslEvent_RiInactive:0) + + (cnow.exithunt != cprev.exithunt ? MgslEvent_ExitHuntMode:0) + + (cnow.rxidle != cprev.rxidle ? MgslEvent_IdleReceived:0) ); + if (events) + break; + + cprev = cnow; + oldsigs = newsigs; + } + + remove_wait_queue(&info->event_wait_q, &wait); + set_current_state(TASK_RUNNING); + + + if (mask & (MgslEvent_ExitHuntMode + MgslEvent_IdleReceived)) { + spin_lock_irqsave(&info->lock,flags); + if (!waitqueue_active(&info->event_wait_q)) { + /* disable enable exit hunt mode/idle rcvd IRQs */ + wr_reg16(info, SCR, + (unsigned short)(rd_reg16(info, SCR) & ~IRQ_RXIDLE)); + } + spin_unlock_irqrestore(&info->lock,flags); + } +exit: + if (rc == 0) + rc = put_user(events, mask_ptr); + return rc; +} + +static int get_interface(struct slgt_info *info, int __user *if_mode) +{ + DBGINFO(("%s get_interface=%x\n", info->device_name, info->if_mode)); + if (put_user(info->if_mode, if_mode)) + return -EFAULT; + return 0; +} + +static int set_interface(struct slgt_info *info, int if_mode) +{ + unsigned long flags; + unsigned short val; + + DBGINFO(("%s set_interface=%x)\n", info->device_name, if_mode)); + spin_lock_irqsave(&info->lock,flags); + info->if_mode = if_mode; + + msc_set_vcr(info); + + /* TCR (tx control) 07 1=RTS driver control */ + val = rd_reg16(info, TCR); + if (info->if_mode & MGSL_INTERFACE_RTS_EN) + val |= BIT7; + else + val &= ~BIT7; + wr_reg16(info, TCR, val); + + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +static int modem_input_wait(struct slgt_info *info,int arg) +{ + unsigned long flags; + int rc; + struct mgsl_icount cprev, cnow; + DECLARE_WAITQUEUE(wait, current); + + /* save current irq counts */ + spin_lock_irqsave(&info->lock,flags); + cprev = info->icount; + add_wait_queue(&info->status_event_wait_q, &wait); + set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&info->lock,flags); + + for(;;) { + schedule(); + if (signal_pending(current)) { + rc = -ERESTARTSYS; + break; + } + + /* get new irq counts */ + spin_lock_irqsave(&info->lock,flags); + cnow = info->icount; + set_current_state(TASK_INTERRUPTIBLE); + spin_unlock_irqrestore(&info->lock,flags); + + /* if no change, wait aborted for some reason */ + if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && + cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) { + rc = -EIO; + break; + } + + /* check for change in caller specified modem input */ + if ((arg & TIOCM_RNG && cnow.rng != cprev.rng) || + (arg & TIOCM_DSR && cnow.dsr != cprev.dsr) || + (arg & TIOCM_CD && cnow.dcd != cprev.dcd) || + (arg & TIOCM_CTS && cnow.cts != cprev.cts)) { + rc = 0; + break; + } + + cprev = cnow; + } + remove_wait_queue(&info->status_event_wait_q, &wait); + set_current_state(TASK_RUNNING); + return rc; +} + +/* + * return state of serial control and status signals + */ +static int tiocmget(struct tty_struct *tty, struct file *file) +{ + struct slgt_info *info = tty->driver_data; + unsigned int result; + unsigned long flags; + + spin_lock_irqsave(&info->lock,flags); + get_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + + result = ((info->signals & SerialSignal_RTS) ? TIOCM_RTS:0) + + ((info->signals & SerialSignal_DTR) ? TIOCM_DTR:0) + + ((info->signals & SerialSignal_DCD) ? TIOCM_CAR:0) + + ((info->signals & SerialSignal_RI) ? TIOCM_RNG:0) + + ((info->signals & SerialSignal_DSR) ? TIOCM_DSR:0) + + ((info->signals & SerialSignal_CTS) ? TIOCM_CTS:0); + + DBGINFO(("%s tiocmget value=%08X\n", info->device_name, result)); + return result; +} + +/* + * set modem control signals (DTR/RTS) + * + * cmd signal command: TIOCMBIS = set bit TIOCMBIC = clear bit + * TIOCMSET = set/clear signal values + * value bit mask for command + */ +static int tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) +{ + struct slgt_info *info = tty->driver_data; + unsigned long flags; + + DBGINFO(("%s tiocmset(%x,%x)\n", info->device_name, set, clear)); + + if (set & TIOCM_RTS) + info->signals |= SerialSignal_RTS; + if (set & TIOCM_DTR) + info->signals |= SerialSignal_DTR; + if (clear & TIOCM_RTS) + info->signals &= ~SerialSignal_RTS; + if (clear & TIOCM_DTR) + info->signals &= ~SerialSignal_DTR; + + spin_lock_irqsave(&info->lock,flags); + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + return 0; +} + +/* + * block current process until the device is ready to open + */ +static int block_til_ready(struct tty_struct *tty, struct file *filp, + struct slgt_info *info) +{ + DECLARE_WAITQUEUE(wait, current); + int retval; + int do_clocal = 0, extra_count = 0; + unsigned long flags; + + DBGINFO(("%s block_til_ready\n", tty->driver->name)); + + if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ + /* nonblock mode is set or port is not enabled */ + info->flags |= ASYNC_NORMAL_ACTIVE; + return 0; + } + + if (tty->termios->c_cflag & CLOCAL) + do_clocal = 1; + + /* Wait for carrier detect and the line to become + * free (i.e., not in use by the callout). While we are in + * this loop, info->count is dropped by one, so that + * close() knows when to free things. We restore it upon + * exit, either normal or abnormal. + */ + + retval = 0; + add_wait_queue(&info->open_wait, &wait); + + spin_lock_irqsave(&info->lock, flags); + if (!tty_hung_up_p(filp)) { + extra_count = 1; + info->count--; + } + spin_unlock_irqrestore(&info->lock, flags); + info->blocked_open++; + + while (1) { + if ((tty->termios->c_cflag & CBAUD)) { + spin_lock_irqsave(&info->lock,flags); + info->signals |= SerialSignal_RTS + SerialSignal_DTR; + set_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + } + + set_current_state(TASK_INTERRUPTIBLE); + + if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){ + retval = (info->flags & ASYNC_HUP_NOTIFY) ? + -EAGAIN : -ERESTARTSYS; + break; + } + + spin_lock_irqsave(&info->lock,flags); + get_signals(info); + spin_unlock_irqrestore(&info->lock,flags); + + if (!(info->flags & ASYNC_CLOSING) && + (do_clocal || (info->signals & SerialSignal_DCD)) ) { + break; + } + + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + + DBGINFO(("%s block_til_ready wait\n", tty->driver->name)); + schedule(); + } + + set_current_state(TASK_RUNNING); + remove_wait_queue(&info->open_wait, &wait); + + if (extra_count) + info->count++; + info->blocked_open--; + + if (!retval) + info->flags |= ASYNC_NORMAL_ACTIVE; + + DBGINFO(("%s block_til_ready ready, rc=%d\n", tty->driver->name, retval)); + return retval; +} + +static int alloc_tmp_rbuf(struct slgt_info *info) +{ + info->tmp_rbuf = kmalloc(info->max_frame_size, GFP_KERNEL); + if (info->tmp_rbuf == NULL) + return -ENOMEM; + return 0; +} + +static void free_tmp_rbuf(struct slgt_info *info) +{ + kfree(info->tmp_rbuf); + info->tmp_rbuf = NULL; +} + +/* + * allocate DMA descriptor lists. + */ +static int alloc_desc(struct slgt_info *info) +{ + unsigned int i; + unsigned int pbufs; + + /* allocate memory to hold descriptor lists */ + info->bufs = pci_alloc_consistent(info->pdev, DESC_LIST_SIZE, &info->bufs_dma_addr); + if (info->bufs == NULL) + return -ENOMEM; + + memset(info->bufs, 0, DESC_LIST_SIZE); + + info->rbufs = (struct slgt_desc*)info->bufs; + info->tbufs = ((struct slgt_desc*)info->bufs) + info->rbuf_count; + + pbufs = (unsigned int)info->bufs_dma_addr; + + /* + * Build circular lists of descriptors + */ + + for (i=0; i < info->rbuf_count; i++) { + /* physical address of this descriptor */ + info->rbufs[i].pdesc = pbufs + (i * sizeof(struct slgt_desc)); + + /* physical address of next descriptor */ + if (i == info->rbuf_count - 1) + info->rbufs[i].next = cpu_to_le32(pbufs); + else + info->rbufs[i].next = cpu_to_le32(pbufs + ((i+1) * sizeof(struct slgt_desc))); + set_desc_count(info->rbufs[i], DMABUFSIZE); + } + + for (i=0; i < info->tbuf_count; i++) { + /* physical address of this descriptor */ + info->tbufs[i].pdesc = pbufs + ((info->rbuf_count + i) * sizeof(struct slgt_desc)); + + /* physical address of next descriptor */ + if (i == info->tbuf_count - 1) + info->tbufs[i].next = cpu_to_le32(pbufs + info->rbuf_count * sizeof(struct slgt_desc)); + else + info->tbufs[i].next = cpu_to_le32(pbufs + ((info->rbuf_count + i + 1) * sizeof(struct slgt_desc))); + } + + return 0; +} + +static void free_desc(struct slgt_info *info) +{ + if (info->bufs != NULL) { + pci_free_consistent(info->pdev, DESC_LIST_SIZE, info->bufs, info->bufs_dma_addr); + info->bufs = NULL; + info->rbufs = NULL; + info->tbufs = NULL; + } +} + +static int alloc_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count) +{ + int i; + for (i=0; i < count; i++) { + if ((bufs[i].buf = pci_alloc_consistent(info->pdev, DMABUFSIZE, &bufs[i].buf_dma_addr)) == NULL) + return -ENOMEM; + bufs[i].pbuf = cpu_to_le32((unsigned int)bufs[i].buf_dma_addr); + } + return 0; +} + +static void free_bufs(struct slgt_info *info, struct slgt_desc *bufs, int count) +{ + int i; + for (i=0; i < count; i++) { + if (bufs[i].buf == NULL) + continue; + pci_free_consistent(info->pdev, DMABUFSIZE, bufs[i].buf, bufs[i].buf_dma_addr); + bufs[i].buf = NULL; + } +} + +static int alloc_dma_bufs(struct slgt_info *info) +{ + info->rbuf_count = 32; + info->tbuf_count = 32; + + if (alloc_desc(info) < 0 || + alloc_bufs(info, info->rbufs, info->rbuf_count) < 0 || + alloc_bufs(info, info->tbufs, info->tbuf_count) < 0 || + alloc_tmp_rbuf(info) < 0) { + DBGERR(("%s DMA buffer alloc fail\n", info->device_name)); + return -ENOMEM; + } + reset_rbufs(info); + return 0; +} + +static void free_dma_bufs(struct slgt_info *info) +{ + if (info->bufs) { + free_bufs(info, info->rbufs, info->rbuf_count); + free_bufs(info, info->tbufs, info->tbuf_count); + free_desc(info); + } + free_tmp_rbuf(info); +} + +static int claim_resources(struct slgt_info *info) +{ + if (request_mem_region(info->phys_reg_addr, SLGT_REG_SIZE, "synclink_gt") == NULL) { + DBGERR(("%s reg addr conflict, addr=%08X\n", + info->device_name, info->phys_reg_addr)); + info->init_error = DiagStatus_AddressConflict; + goto errout; + } + else + info->reg_addr_requested = 1; + + info->reg_addr = ioremap(info->phys_reg_addr, SLGT_REG_SIZE); + if (!info->reg_addr) { + DBGERR(("%s cant map device registers, addr=%08X\n", + info->device_name, info->phys_reg_addr)); + info->init_error = DiagStatus_CantAssignPciResources; + goto errout; + } + return 0; + +errout: + release_resources(info); + return -ENODEV; +} + +static void release_resources(struct slgt_info *info) +{ + if (info->irq_requested) { + free_irq(info->irq_level, info); + info->irq_requested = 0; + } + + if (info->reg_addr_requested) { + release_mem_region(info->phys_reg_addr, SLGT_REG_SIZE); + info->reg_addr_requested = 0; + } + + if (info->reg_addr) { + iounmap(info->reg_addr); + info->reg_addr = NULL; + } +} + +/* Add the specified device instance data structure to the + * global linked list of devices and increment the device count. + */ +static void add_device(struct slgt_info *info) +{ + char *devstr; + + info->next_device = NULL; + info->line = slgt_device_count; + sprintf(info->device_name, "%s%d", tty_dev_prefix, info->line); + + if (info->line < MAX_DEVICES) { + if (maxframe[info->line]) + info->max_frame_size = maxframe[info->line]; + info->dosyncppp = dosyncppp[info->line]; + } + + slgt_device_count++; + + if (!slgt_device_list) + slgt_device_list = info; + else { + struct slgt_info *current_dev = slgt_device_list; + while(current_dev->next_device) + current_dev = current_dev->next_device; + current_dev->next_device = info; + } + + if (info->max_frame_size < 4096) + info->max_frame_size = 4096; + else if (info->max_frame_size > 65535) + info->max_frame_size = 65535; + + switch(info->pdev->device) { + case SYNCLINK_GT_DEVICE_ID: + devstr = "GT"; + break; + case SYNCLINK_GT4_DEVICE_ID: + devstr = "GT4"; + break; + case SYNCLINK_AC_DEVICE_ID: + devstr = "AC"; + info->params.mode = MGSL_MODE_ASYNC; + break; + default: + devstr = "(unknown model)"; + } + printk("SyncLink %s %s IO=%08x IRQ=%d MaxFrameSize=%u\n", + devstr, info->device_name, info->phys_reg_addr, + info->irq_level, info->max_frame_size); + +#ifdef CONFIG_HDLC + hdlcdev_init(info); +#endif +} + +/* + * allocate device instance structure, return NULL on failure + */ +static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev) +{ + struct slgt_info *info; + + info = kmalloc(sizeof(struct slgt_info), GFP_KERNEL); + + if (!info) { + DBGERR(("%s device alloc failed adapter=%d port=%d\n", + driver_name, adapter_num, port_num)); + } else { + memset(info, 0, sizeof(struct slgt_info)); + info->magic = MGSL_MAGIC; + INIT_WORK(&info->task, bh_handler, info); + info->max_frame_size = 4096; + info->raw_rx_size = DMABUFSIZE; + info->close_delay = 5*HZ/10; + info->closing_wait = 30*HZ; + init_waitqueue_head(&info->open_wait); + init_waitqueue_head(&info->close_wait); + init_waitqueue_head(&info->status_event_wait_q); + init_waitqueue_head(&info->event_wait_q); + spin_lock_init(&info->netlock); + memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS)); + info->idle_mode = HDLC_TXIDLE_FLAGS; + info->adapter_num = adapter_num; + info->port_num = port_num; + + init_timer(&info->tx_timer); + info->tx_timer.data = (unsigned long)info; + info->tx_timer.function = tx_timeout; + + init_timer(&info->rx_timer); + info->rx_timer.data = (unsigned long)info; + info->rx_timer.function = rx_timeout; + + /* Copy configuration info to device instance data */ + info->pdev = pdev; + info->irq_level = pdev->irq; + info->phys_reg_addr = pci_resource_start(pdev,0); + + info->bus_type = MGSL_BUS_TYPE_PCI; + info->irq_flags = SA_SHIRQ; + + info->init_error = -1; /* assume error, set to 0 on successful init */ + } + + return info; +} + +static void device_init(int adapter_num, struct pci_dev *pdev) +{ + struct slgt_info *port_array[SLGT_MAX_PORTS]; + int i; + int port_count = 1; + + if (pdev->device == SYNCLINK_GT4_DEVICE_ID) + port_count = 4; + + /* allocate device instances for all ports */ + for (i=0; i < port_count; ++i) { + port_array[i] = alloc_dev(adapter_num, i, pdev); + if (port_array[i] == NULL) { + for (--i; i >= 0; --i) + kfree(port_array[i]); + return; + } + } + + /* give copy of port_array to all ports and add to device list */ + for (i=0; i < port_count; ++i) { + memcpy(port_array[i]->port_array, port_array, sizeof(port_array)); + add_device(port_array[i]); + port_array[i]->port_count = port_count; + spin_lock_init(&port_array[i]->lock); + } + + /* Allocate and claim adapter resources */ + if (!claim_resources(port_array[0])) { + + alloc_dma_bufs(port_array[0]); + + /* copy resource information from first port to others */ + for (i = 1; i < port_count; ++i) { + port_array[i]->lock = port_array[0]->lock; + port_array[i]->irq_level = port_array[0]->irq_level; + port_array[i]->reg_addr = port_array[0]->reg_addr; + alloc_dma_bufs(port_array[i]); + } + + if (request_irq(port_array[0]->irq_level, + slgt_interrupt, + port_array[0]->irq_flags, + port_array[0]->device_name, + port_array[0]) < 0) { + DBGERR(("%s request_irq failed IRQ=%d\n", + port_array[0]->device_name, + port_array[0]->irq_level)); + } else { + port_array[0]->irq_requested = 1; + adapter_test(port_array[0]); + for (i=1 ; i < port_count ; i++) + port_array[i]->init_error = port_array[0]->init_error; + } + } +} + +static int __devinit init_one(struct pci_dev *dev, + const struct pci_device_id *ent) +{ + if (pci_enable_device(dev)) { + printk("error enabling pci device %p\n", dev); + return -EIO; + } + pci_set_master(dev); + device_init(slgt_device_count, dev); + return 0; +} + +static void __devexit remove_one(struct pci_dev *dev) +{ +} + +static struct tty_operations ops = { + .open = open, + .close = close, + .write = write, + .put_char = put_char, + .flush_chars = flush_chars, + .write_room = write_room, + .chars_in_buffer = chars_in_buffer, + .flush_buffer = flush_buffer, + .ioctl = ioctl, + .throttle = throttle, + .unthrottle = unthrottle, + .send_xchar = send_xchar, + .break_ctl = set_break, + .wait_until_sent = wait_until_sent, + .read_proc = read_proc, + .set_termios = set_termios, + .stop = tx_hold, + .start = tx_release, + .hangup = hangup, + .tiocmget = tiocmget, + .tiocmset = tiocmset, +}; + +static void slgt_cleanup(void) +{ + int rc; + struct slgt_info *info; + struct slgt_info *tmp; + + printk("unload %s %s\n", driver_name, driver_version); + + if (serial_driver) { + if ((rc = tty_unregister_driver(serial_driver))) + DBGERR(("tty_unregister_driver error=%d\n", rc)); + put_tty_driver(serial_driver); + } + + /* reset devices */ + info = slgt_device_list; + while(info) { + reset_port(info); + info = info->next_device; + } + + /* release devices */ + info = slgt_device_list; + while(info) { +#ifdef CONFIG_HDLC + hdlcdev_exit(info); +#endif + free_dma_bufs(info); + free_tmp_rbuf(info); + if (info->port_num == 0) + release_resources(info); + tmp = info; + info = info->next_device; + kfree(tmp); + } + + if (pci_registered) + pci_unregister_driver(&pci_driver); +} + +/* + * Driver initialization entry point. + */ +static int __init slgt_init(void) +{ + int rc; + + printk("%s %s\n", driver_name, driver_version); + + slgt_device_count = 0; + if ((rc = pci_register_driver(&pci_driver)) < 0) { + printk("%s pci_register_driver error=%d\n", driver_name, rc); + return rc; + } + pci_registered = 1; + + if (!slgt_device_list) { + printk("%s no devices found\n",driver_name); + return -ENODEV; + } + + serial_driver = alloc_tty_driver(MAX_DEVICES); + if (!serial_driver) { + rc = -ENOMEM; + goto error; + } + + /* Initialize the tty_driver structure */ + + serial_driver->owner = THIS_MODULE; + serial_driver->driver_name = tty_driver_name; + serial_driver->name = tty_dev_prefix; + serial_driver->major = ttymajor; + serial_driver->minor_start = 64; + serial_driver->type = TTY_DRIVER_TYPE_SERIAL; + serial_driver->subtype = SERIAL_TYPE_NORMAL; + serial_driver->init_termios = tty_std_termios; + serial_driver->init_termios.c_cflag = + B9600 | CS8 | CREAD | HUPCL | CLOCAL; + serial_driver->flags = TTY_DRIVER_REAL_RAW; + tty_set_operations(serial_driver, &ops); + if ((rc = tty_register_driver(serial_driver)) < 0) { + DBGERR(("%s can't register serial driver\n", driver_name)); + put_tty_driver(serial_driver); + serial_driver = NULL; + goto error; + } + + printk("%s %s, tty major#%d\n", + driver_name, driver_version, + serial_driver->major); + + return 0; + +error: + slgt_cleanup(); + return rc; +} + +static void __exit slgt_exit(void) +{ + slgt_cleanup(); +} + +module_init(slgt_init); +module_exit(slgt_exit); + +/* + * register access routines + */ + +#define CALC_REGADDR() \ + unsigned long reg_addr = ((unsigned long)info->reg_addr) + addr; \ + if (addr >= 0x80) \ + reg_addr += (info->port_num) * 32; + +static __u8 rd_reg8(struct slgt_info *info, unsigned int addr) +{ + CALC_REGADDR(); + return readb((void __iomem *)reg_addr); +} + +static void wr_reg8(struct slgt_info *info, unsigned int addr, __u8 value) +{ + CALC_REGADDR(); + writeb(value, (void __iomem *)reg_addr); +} + +static __u16 rd_reg16(struct slgt_info *info, unsigned int addr) +{ + CALC_REGADDR(); + return readw((void __iomem *)reg_addr); +} + +static void wr_reg16(struct slgt_info *info, unsigned int addr, __u16 value) +{ + CALC_REGADDR(); + writew(value, (void __iomem *)reg_addr); +} + +static __u32 rd_reg32(struct slgt_info *info, unsigned int addr) +{ + CALC_REGADDR(); + return readl((void __iomem *)reg_addr); +} + +static void wr_reg32(struct slgt_info *info, unsigned int addr, __u32 value) +{ + CALC_REGADDR(); + writel(value, (void __iomem *)reg_addr); +} + +static void rdma_reset(struct slgt_info *info) +{ + unsigned int i; + + /* set reset bit */ + wr_reg32(info, RDCSR, BIT1); + + /* wait for enable bit cleared */ + for(i=0 ; i < 1000 ; i++) + if (!(rd_reg32(info, RDCSR) & BIT0)) + break; +} + +static void tdma_reset(struct slgt_info *info) +{ + unsigned int i; + + /* set reset bit */ + wr_reg32(info, TDCSR, BIT1); + + /* wait for enable bit cleared */ + for(i=0 ; i < 1000 ; i++) + if (!(rd_reg32(info, TDCSR) & BIT0)) + break; +} + +/* + * enable internal loopback + * TxCLK and RxCLK are generated from BRG + * and TxD is looped back to RxD internally. + */ +static void enable_loopback(struct slgt_info *info) +{ + /* SCR (serial control) BIT2=looopback enable */ + wr_reg16(info, SCR, (unsigned short)(rd_reg16(info, SCR) | BIT2)); + + if (info->params.mode != MGSL_MODE_ASYNC) { + /* CCR (clock control) + * 07..05 tx clock source (010 = BRG) + * 04..02 rx clock source (010 = BRG) + * 01 auxclk enable (0 = disable) + * 00 BRG enable (1 = enable) + * + * 0100 1001 + */ + wr_reg8(info, CCR, 0x49); + + /* set speed if available, otherwise use default */ + if (info->params.clock_speed) + set_rate(info, info->params.clock_speed); + else + set_rate(info, 3686400); + } +} + +/* + * set baud rate generator to specified rate + */ +static void set_rate(struct slgt_info *info, u32 rate) +{ + unsigned int div; + static unsigned int osc = 14745600; + + /* div = osc/rate - 1 + * + * Round div up if osc/rate is not integer to + * force to next slowest rate. + */ + + if (rate) { + div = osc/rate; + if (!(osc % rate) && div) + div--; + wr_reg16(info, BDR, (unsigned short)div); + } +} + +static void rx_stop(struct slgt_info *info) +{ + unsigned short val; + + /* disable and reset receiver */ + val = rd_reg16(info, RCR) & ~BIT1; /* clear enable bit */ + wr_reg16(info, RCR, (unsigned short)(val | BIT2)); /* set reset bit */ + wr_reg16(info, RCR, val); /* clear reset bit */ + + slgt_irq_off(info, IRQ_RXOVER + IRQ_RXDATA + IRQ_RXIDLE); + + /* clear pending rx interrupts */ + wr_reg16(info, SSR, IRQ_RXIDLE + IRQ_RXOVER); + + rdma_reset(info); + + info->rx_enabled = 0; + info->rx_restart = 0; +} + +static void rx_start(struct slgt_info *info) +{ + unsigned short val; + + slgt_irq_off(info, IRQ_RXOVER + IRQ_RXDATA); + + /* clear pending rx overrun IRQ */ + wr_reg16(info, SSR, IRQ_RXOVER); + + /* reset and disable receiver */ + val = rd_reg16(info, RCR) & ~BIT1; /* clear enable bit */ + wr_reg16(info, RCR, (unsigned short)(val | BIT2)); /* set reset bit */ + wr_reg16(info, RCR, val); /* clear reset bit */ + + rdma_reset(info); + reset_rbufs(info); + + /* set 1st descriptor address */ + wr_reg32(info, RDDAR, info->rbufs[0].pdesc); + + if (info->params.mode != MGSL_MODE_ASYNC) { + /* enable rx DMA and DMA interrupt */ + wr_reg32(info, RDCSR, (BIT2 + BIT0)); + } else { + /* enable saving of rx status, rx DMA and DMA interrupt */ + wr_reg32(info, RDCSR, (BIT6 + BIT2 + BIT0)); + } + + slgt_irq_on(info, IRQ_RXOVER); + + /* enable receiver */ + wr_reg16(info, RCR, (unsigned short)(rd_reg16(info, RCR) | BIT1)); + + info->rx_restart = 0; + info->rx_enabled = 1; +} + +static void tx_start(struct slgt_info *info) +{ + if (!info->tx_enabled) { + wr_reg16(info, TCR, + (unsigned short)(rd_reg16(info, TCR) | BIT1)); + info->tx_enabled = TRUE; + } + + if (info->tx_count) { + info->drop_rts_on_tx_done = 0; + + if (info->params.mode != MGSL_MODE_ASYNC) { + if (info->params.flags & HDLC_FLAG_AUTO_RTS) { + get_signals(info); + if (!(info->signals & SerialSignal_RTS)) { + info->signals |= SerialSignal_RTS; + set_signals(info); + info->drop_rts_on_tx_done = 1; + } + } + + slgt_irq_off(info, IRQ_TXDATA); + slgt_irq_on(info, IRQ_TXUNDER + IRQ_TXIDLE); + /* clear tx idle and underrun status bits */ + wr_reg16(info, SSR, (unsigned short)(IRQ_TXIDLE + IRQ_TXUNDER)); + + if (!(rd_reg32(info, TDCSR) & BIT0)) { + /* tx DMA stopped, restart tx DMA */ + tdma_reset(info); + /* set 1st descriptor address */ + wr_reg32(info, TDDAR, info->tbufs[info->tbuf_start].pdesc); + if (info->params.mode == MGSL_MODE_RAW) + wr_reg32(info, TDCSR, BIT2 + BIT0); /* IRQ + DMA enable */ + else + wr_reg32(info, TDCSR, BIT0); /* DMA enable */ + } + + if (info->params.mode != MGSL_MODE_RAW) { + info->tx_timer.expires = jiffies + msecs_to_jiffies(5000); + add_timer(&info->tx_timer); + } + } else { + tdma_reset(info); + /* set 1st descriptor address */ + wr_reg32(info, TDDAR, info->tbufs[info->tbuf_start].pdesc); + + slgt_irq_off(info, IRQ_TXDATA); + slgt_irq_on(info, IRQ_TXIDLE); + /* clear tx idle status bit */ + wr_reg16(info, SSR, IRQ_TXIDLE); + + /* enable tx DMA */ + wr_reg32(info, TDCSR, BIT0); + } + + info->tx_active = 1; + } +} + +static void tx_stop(struct slgt_info *info) +{ + unsigned short val; + + del_timer(&info->tx_timer); + + tdma_reset(info); + + /* reset and disable transmitter */ + val = rd_reg16(info, TCR) & ~BIT1; /* clear enable bit */ + wr_reg16(info, TCR, (unsigned short)(val | BIT2)); /* set reset bit */ + wr_reg16(info, TCR, val); /* clear reset */ + + slgt_irq_off(info, IRQ_TXDATA + IRQ_TXIDLE + IRQ_TXUNDER); + + /* clear tx idle and underrun status bit */ + wr_reg16(info, SSR, (unsigned short)(IRQ_TXIDLE + IRQ_TXUNDER)); + + reset_tbufs(info); + + info->tx_enabled = 0; + info->tx_active = 0; +} + +static void reset_port(struct slgt_info *info) +{ + if (!info->reg_addr) + return; + + tx_stop(info); + rx_stop(info); + + info->signals &= ~(SerialSignal_DTR + SerialSignal_RTS); + set_signals(info); + + slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); +} + +static void reset_adapter(struct slgt_info *info) +{ + int i; + for (i=0; i < info->port_count; ++i) { + if (info->port_array[i]) + reset_port(info->port_array[i]); + } +} + +static void async_mode(struct slgt_info *info) +{ + unsigned short val; + + slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); + tx_stop(info); + rx_stop(info); + + /* TCR (tx control) + * + * 15..13 mode, 010=async + * 12..10 encoding, 000=NRZ + * 09 parity enable + * 08 1=odd parity, 0=even parity + * 07 1=RTS driver control + * 06 1=break enable + * 05..04 character length + * 00=5 bits + * 01=6 bits + * 10=7 bits + * 11=8 bits + * 03 0=1 stop bit, 1=2 stop bits + * 02 reset + * 01 enable + * 00 auto-CTS enable + */ + val = 0x4000; + + if (info->if_mode & MGSL_INTERFACE_RTS_EN) + val |= BIT7; + + if (info->params.parity != ASYNC_PARITY_NONE) { + val |= BIT9; + if (info->params.parity == ASYNC_PARITY_ODD) + val |= BIT8; + } + + switch (info->params.data_bits) + { + case 6: val |= BIT4; break; + case 7: val |= BIT5; break; + case 8: val |= BIT5 + BIT4; break; + } + + if (info->params.stop_bits != 1) + val |= BIT3; + + if (info->params.flags & HDLC_FLAG_AUTO_CTS) + val |= BIT0; + + wr_reg16(info, TCR, val); + + /* RCR (rx control) + * + * 15..13 mode, 010=async + * 12..10 encoding, 000=NRZ + * 09 parity enable + * 08 1=odd parity, 0=even parity + * 07..06 reserved, must be 0 + * 05..04 character length + * 00=5 bits + * 01=6 bits + * 10=7 bits + * 11=8 bits + * 03 reserved, must be zero + * 02 reset + * 01 enable + * 00 auto-DCD enable + */ + val = 0x4000; + + if (info->params.parity != ASYNC_PARITY_NONE) { + val |= BIT9; + if (info->params.parity == ASYNC_PARITY_ODD) + val |= BIT8; + } + + switch (info->params.data_bits) + { + case 6: val |= BIT4; break; + case 7: val |= BIT5; break; + case 8: val |= BIT5 + BIT4; break; + } + + if (info->params.flags & HDLC_FLAG_AUTO_DCD) + val |= BIT0; + + wr_reg16(info, RCR, val); + + /* CCR (clock control) + * + * 07..05 011 = tx clock source is BRG/16 + * 04..02 010 = rx clock source is BRG + * 01 0 = auxclk disabled + * 00 1 = BRG enabled + * + * 0110 1001 + */ + wr_reg8(info, CCR, 0x69); + + msc_set_vcr(info); + + tx_set_idle(info); + + /* SCR (serial control) + * + * 15 1=tx req on FIFO half empty + * 14 1=rx req on FIFO half full + * 13 tx data IRQ enable + * 12 tx idle IRQ enable + * 11 rx break on IRQ enable + * 10 rx data IRQ enable + * 09 rx break off IRQ enable + * 08 overrun IRQ enable + * 07 DSR IRQ enable + * 06 CTS IRQ enable + * 05 DCD IRQ enable + * 04 RI IRQ enable + * 03 reserved, must be zero + * 02 1=txd->rxd internal loopback enable + * 01 reserved, must be zero + * 00 1=master IRQ enable + */ + val = BIT15 + BIT14 + BIT0; + wr_reg16(info, SCR, val); + + slgt_irq_on(info, IRQ_RXBREAK | IRQ_RXOVER); + + set_rate(info, info->params.data_rate * 16); + + if (info->params.loopback) + enable_loopback(info); +} + +static void hdlc_mode(struct slgt_info *info) +{ + unsigned short val; + + slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); + tx_stop(info); + rx_stop(info); + + /* TCR (tx control) + * + * 15..13 mode, 000=HDLC 001=raw sync + * 12..10 encoding + * 09 CRC enable + * 08 CRC32 + * 07 1=RTS driver control + * 06 preamble enable + * 05..04 preamble length + * 03 share open/close flag + * 02 reset + * 01 enable + * 00 auto-CTS enable + */ + val = 0; + + if (info->params.mode == MGSL_MODE_RAW) + val |= BIT13; + if (info->if_mode & MGSL_INTERFACE_RTS_EN) + val |= BIT7; + + switch(info->params.encoding) + { + case HDLC_ENCODING_NRZB: val |= BIT10; break; + case HDLC_ENCODING_NRZI_MARK: val |= BIT11; break; + case HDLC_ENCODING_NRZI: val |= BIT11 + BIT10; break; + case HDLC_ENCODING_BIPHASE_MARK: val |= BIT12; break; + case HDLC_ENCODING_BIPHASE_SPACE: val |= BIT12 + BIT10; break; + case HDLC_ENCODING_BIPHASE_LEVEL: val |= BIT12 + BIT11; break; + case HDLC_ENCODING_DIFF_BIPHASE_LEVEL: val |= BIT12 + BIT11 + BIT10; break; + } + + switch (info->params.crc_type) + { + case HDLC_CRC_16_CCITT: val |= BIT9; break; + case HDLC_CRC_32_CCITT: val |= BIT9 + BIT8; break; + } + + if (info->params.preamble != HDLC_PREAMBLE_PATTERN_NONE) + val |= BIT6; + + switch (info->params.preamble_length) + { + case HDLC_PREAMBLE_LENGTH_16BITS: val |= BIT5; break; + case HDLC_PREAMBLE_LENGTH_32BITS: val |= BIT4; break; + case HDLC_PREAMBLE_LENGTH_64BITS: val |= BIT5 + BIT4; break; + } + + if (info->params.flags & HDLC_FLAG_AUTO_CTS) + val |= BIT0; + + wr_reg16(info, TCR, val); + + /* TPR (transmit preamble) */ + + switch (info->params.preamble) + { + case HDLC_PREAMBLE_PATTERN_FLAGS: val = 0x7e; break; + case HDLC_PREAMBLE_PATTERN_ONES: val = 0xff; break; + case HDLC_PREAMBLE_PATTERN_ZEROS: val = 0x00; break; + case HDLC_PREAMBLE_PATTERN_10: val = 0x55; break; + case HDLC_PREAMBLE_PATTERN_01: val = 0xaa; break; + default: val = 0x7e; break; + } + wr_reg8(info, TPR, (unsigned char)val); + + /* RCR (rx control) + * + * 15..13 mode, 000=HDLC 001=raw sync + * 12..10 encoding + * 09 CRC enable + * 08 CRC32 + * 07..03 reserved, must be 0 + * 02 reset + * 01 enable + * 00 auto-DCD enable + */ + val = 0; + + if (info->params.mode == MGSL_MODE_RAW) + val |= BIT13; + + switch(info->params.encoding) + { + case HDLC_ENCODING_NRZB: val |= BIT10; break; + case HDLC_ENCODING_NRZI_MARK: val |= BIT11; break; + case HDLC_ENCODING_NRZI: val |= BIT11 + BIT10; break; + case HDLC_ENCODING_BIPHASE_MARK: val |= BIT12; break; + case HDLC_ENCODING_BIPHASE_SPACE: val |= BIT12 + BIT10; break; + case HDLC_ENCODING_BIPHASE_LEVEL: val |= BIT12 + BIT11; break; + case HDLC_ENCODING_DIFF_BIPHASE_LEVEL: val |= BIT12 + BIT11 + BIT10; break; + } + + switch (info->params.crc_type) + { + case HDLC_CRC_16_CCITT: val |= BIT9; break; + case HDLC_CRC_32_CCITT: val |= BIT9 + BIT8; break; + } + + if (info->params.flags & HDLC_FLAG_AUTO_DCD) + val |= BIT0; + + wr_reg16(info, RCR, val); + + /* CCR (clock control) + * + * 07..05 tx clock source + * 04..02 rx clock source + * 01 auxclk enable + * 00 BRG enable + */ + val = 0; + + if (info->params.flags & HDLC_FLAG_TXC_BRG) + { + // when RxC source is DPLL, BRG generates 16X DPLL + // reference clock, so take TxC from BRG/16 to get + // transmit clock at actual data rate + if (info->params.flags & HDLC_FLAG_RXC_DPLL) + val |= BIT6 + BIT5; /* 011, txclk = BRG/16 */ + else + val |= BIT6; /* 010, txclk = BRG */ + } + else if (info->params.flags & HDLC_FLAG_TXC_DPLL) + val |= BIT7; /* 100, txclk = DPLL Input */ + else if (info->params.flags & HDLC_FLAG_TXC_RXCPIN) + val |= BIT5; /* 001, txclk = RXC Input */ + + if (info->params.flags & HDLC_FLAG_RXC_BRG) + val |= BIT3; /* 010, rxclk = BRG */ + else if (info->params.flags & HDLC_FLAG_RXC_DPLL) + val |= BIT4; /* 100, rxclk = DPLL */ + else if (info->params.flags & HDLC_FLAG_RXC_TXCPIN) + val |= BIT2; /* 001, rxclk = TXC Input */ + + if (info->params.clock_speed) + val |= BIT1 + BIT0; + + wr_reg8(info, CCR, (unsigned char)val); + + if (info->params.flags & (HDLC_FLAG_TXC_DPLL + HDLC_FLAG_RXC_DPLL)) + { + // program DPLL mode + switch(info->params.encoding) + { + case HDLC_ENCODING_BIPHASE_MARK: + case HDLC_ENCODING_BIPHASE_SPACE: + val = BIT7; break; + case HDLC_ENCODING_BIPHASE_LEVEL: + case HDLC_ENCODING_DIFF_BIPHASE_LEVEL: + val = BIT7 + BIT6; break; + default: val = BIT6; // NRZ encodings + } + wr_reg16(info, RCR, (unsigned short)(rd_reg16(info, RCR) | val)); + + // DPLL requires a 16X reference clock from BRG + set_rate(info, info->params.clock_speed * 16); + } + else + set_rate(info, info->params.clock_speed); + + tx_set_idle(info); + + msc_set_vcr(info); + + /* SCR (serial control) + * + * 15 1=tx req on FIFO half empty + * 14 1=rx req on FIFO half full + * 13 tx data IRQ enable + * 12 tx idle IRQ enable + * 11 underrun IRQ enable + * 10 rx data IRQ enable + * 09 rx idle IRQ enable + * 08 overrun IRQ enable + * 07 DSR IRQ enable + * 06 CTS IRQ enable + * 05 DCD IRQ enable + * 04 RI IRQ enable + * 03 reserved, must be zero + * 02 1=txd->rxd internal loopback enable + * 01 reserved, must be zero + * 00 1=master IRQ enable + */ + wr_reg16(info, SCR, BIT15 + BIT14 + BIT0); + + if (info->params.loopback) + enable_loopback(info); +} + +/* + * set transmit idle mode + */ +static void tx_set_idle(struct slgt_info *info) +{ + unsigned char val = 0xff; + + switch(info->idle_mode) + { + case HDLC_TXIDLE_FLAGS: val = 0x7e; break; + case HDLC_TXIDLE_ALT_ZEROS_ONES: val = 0xaa; break; + case HDLC_TXIDLE_ZEROS: val = 0x00; break; + case HDLC_TXIDLE_ONES: val = 0xff; break; + case HDLC_TXIDLE_ALT_MARK_SPACE: val = 0xaa; break; + case HDLC_TXIDLE_SPACE: val = 0x00; break; + case HDLC_TXIDLE_MARK: val = 0xff; break; + } + + wr_reg8(info, TIR, val); +} + +/* + * get state of V24 status (input) signals + */ +static void get_signals(struct slgt_info *info) +{ + unsigned short status = rd_reg16(info, SSR); + + /* clear all serial signals except DTR and RTS */ + info->signals &= SerialSignal_DTR + SerialSignal_RTS; + + if (status & BIT3) + info->signals |= SerialSignal_DSR; + if (status & BIT2) + info->signals |= SerialSignal_CTS; + if (status & BIT1) + info->signals |= SerialSignal_DCD; + if (status & BIT0) + info->signals |= SerialSignal_RI; +} + +/* + * set V.24 Control Register based on current configuration + */ +static void msc_set_vcr(struct slgt_info *info) +{ + unsigned char val = 0; + + /* VCR (V.24 control) + * + * 07..04 serial IF select + * 03 DTR + * 02 RTS + * 01 LL + * 00 RL + */ + + switch(info->if_mode & MGSL_INTERFACE_MASK) + { + case MGSL_INTERFACE_RS232: + val |= BIT5; /* 0010 */ + break; + case MGSL_INTERFACE_V35: + val |= BIT7 + BIT6 + BIT5; /* 1110 */ + break; + case MGSL_INTERFACE_RS422: + val |= BIT6; /* 0100 */ + break; + } + + if (info->signals & SerialSignal_DTR) + val |= BIT3; + if (info->signals & SerialSignal_RTS) + val |= BIT2; + if (info->if_mode & MGSL_INTERFACE_LL) + val |= BIT1; + if (info->if_mode & MGSL_INTERFACE_RL) + val |= BIT0; + wr_reg8(info, VCR, val); +} + +/* + * set state of V24 control (output) signals + */ +static void set_signals(struct slgt_info *info) +{ + unsigned char val = rd_reg8(info, VCR); + if (info->signals & SerialSignal_DTR) + val |= BIT3; + else + val &= ~BIT3; + if (info->signals & SerialSignal_RTS) + val |= BIT2; + else + val &= ~BIT2; + wr_reg8(info, VCR, val); +} + +/* + * free range of receive DMA buffers (i to last) + */ +static void free_rbufs(struct slgt_info *info, unsigned int i, unsigned int last) +{ + int done = 0; + + while(!done) { + /* reset current buffer for reuse */ + info->rbufs[i].status = 0; + if (info->params.mode == MGSL_MODE_RAW) + set_desc_count(info->rbufs[i], info->raw_rx_size); + else + set_desc_count(info->rbufs[i], DMABUFSIZE); + + if (i == last) + done = 1; + if (++i == info->rbuf_count) + i = 0; + } + info->rbuf_current = i; +} + +/* + * mark all receive DMA buffers as free + */ +static void reset_rbufs(struct slgt_info *info) +{ + free_rbufs(info, 0, info->rbuf_count - 1); +} + +/* + * pass receive HDLC frame to upper layer + * + * return 1 if frame available, otherwise 0 + */ +static int rx_get_frame(struct slgt_info *info) +{ + unsigned int start, end; + unsigned short status; + unsigned int framesize = 0; + int rc = 0; + unsigned long flags; + struct tty_struct *tty = info->tty; + unsigned char addr_field = 0xff; + +check_again: + + framesize = 0; + addr_field = 0xff; + start = end = info->rbuf_current; + + for (;;) { + if (!desc_complete(info->rbufs[end])) + goto cleanup; + + if (framesize == 0 && info->params.addr_filter != 0xff) + addr_field = info->rbufs[end].buf[0]; + + framesize += desc_count(info->rbufs[end]); + + if (desc_eof(info->rbufs[end])) + break; + + if (++end == info->rbuf_count) + end = 0; + + if (end == info->rbuf_current) { + if (info->rx_enabled){ + spin_lock_irqsave(&info->lock,flags); + rx_start(info); + spin_unlock_irqrestore(&info->lock,flags); + } + goto cleanup; + } + } + + /* status + * + * 15 buffer complete + * 14..06 reserved + * 05..04 residue + * 02 eof (end of frame) + * 01 CRC error + * 00 abort + */ + status = desc_status(info->rbufs[end]); + + /* ignore CRC bit if not using CRC (bit is undefined) */ + if (info->params.crc_type == HDLC_CRC_NONE) + status &= ~BIT1; + + if (framesize == 0 || + (addr_field != 0xff && addr_field != info->params.addr_filter)) { + free_rbufs(info, start, end); + goto check_again; + } + + if (framesize < 2 || status & (BIT1+BIT0)) { + if (framesize < 2 || (status & BIT0)) + info->icount.rxshort++; + else + info->icount.rxcrc++; + framesize = 0; + +#ifdef CONFIG_HDLC + { + struct net_device_stats *stats = hdlc_stats(info->netdev); + stats->rx_errors++; + stats->rx_frame_errors++; + } +#endif + } else { + /* adjust frame size for CRC, if any */ + if (info->params.crc_type == HDLC_CRC_16_CCITT) + framesize -= 2; + else if (info->params.crc_type == HDLC_CRC_32_CCITT) + framesize -= 4; + } + + DBGBH(("%s rx frame status=%04X size=%d\n", + info->device_name, status, framesize)); + DBGDATA(info, info->rbufs[start].buf, min_t(int, framesize, DMABUFSIZE), "rx"); + + if (framesize) { + if (framesize > info->max_frame_size) + info->icount.rxlong++; + else { + /* copy dma buffer(s) to contiguous temp buffer */ + int copy_count = framesize; + int i = start; + unsigned char *p = info->tmp_rbuf; + info->tmp_rbuf_count = framesize; + + info->icount.rxok++; + + while(copy_count) { + int partial_count = min(copy_count, DMABUFSIZE); + memcpy(p, info->rbufs[i].buf, partial_count); + p += partial_count; + copy_count -= partial_count; + if (++i == info->rbuf_count) + i = 0; + } + +#ifdef CONFIG_HDLC + if (info->netcount) + hdlcdev_rx(info,info->tmp_rbuf, framesize); + else +#endif + ldisc_receive_buf(tty, info->tmp_rbuf, info->flag_buf, framesize); + } + } + free_rbufs(info, start, end); + rc = 1; + +cleanup: + return rc; +} + +/* + * pass receive buffer (RAW synchronous mode) to tty layer + * return 1 if buffer available, otherwise 0 + */ +static int rx_get_buf(struct slgt_info *info) +{ + unsigned int i = info->rbuf_current; + + if (!desc_complete(info->rbufs[i])) + return 0; + DBGDATA(info, info->rbufs[i].buf, desc_count(info->rbufs[i]), "rx"); + DBGINFO(("rx_get_buf size=%d\n", desc_count(info->rbufs[i]))); + ldisc_receive_buf(info->tty, info->rbufs[i].buf, + info->flag_buf, desc_count(info->rbufs[i])); + free_rbufs(info, i, i); + return 1; +} + +static void reset_tbufs(struct slgt_info *info) +{ + unsigned int i; + info->tbuf_current = 0; + for (i=0 ; i < info->tbuf_count ; i++) { + info->tbufs[i].status = 0; + info->tbufs[i].count = 0; + } +} + +/* + * return number of free transmit DMA buffers + */ +static unsigned int free_tbuf_count(struct slgt_info *info) +{ + unsigned int count = 0; + unsigned int i = info->tbuf_current; + + do + { + if (desc_count(info->tbufs[i])) + break; /* buffer in use */ + ++count; + if (++i == info->tbuf_count) + i=0; + } while (i != info->tbuf_current); + + /* last buffer with zero count may be in use, assume it is */ + if (count) + --count; + + return count; +} + +/* + * load transmit DMA buffer(s) with data + */ +static void tx_load(struct slgt_info *info, const char *buf, unsigned int size) +{ + unsigned short count; + unsigned int i; + struct slgt_desc *d; + + if (size == 0) + return; + + DBGDATA(info, buf, size, "tx"); + + info->tbuf_start = i = info->tbuf_current; + + while (size) { + d = &info->tbufs[i]; + if (++i == info->tbuf_count) + i = 0; + + count = (unsigned short)((size > DMABUFSIZE) ? DMABUFSIZE : size); + memcpy(d->buf, buf, count); + + size -= count; + buf += count; + + if (!size && info->params.mode != MGSL_MODE_RAW) + set_desc_eof(*d, 1); /* HDLC: set EOF of last desc */ + else + set_desc_eof(*d, 0); + + set_desc_count(*d, count); + } + + info->tbuf_current = i; +} + +static int register_test(struct slgt_info *info) +{ + static unsigned short patterns[] = + {0x0000, 0xffff, 0xaaaa, 0x5555, 0x6969, 0x9696}; + static unsigned int count = sizeof(patterns)/sizeof(patterns[0]); + unsigned int i; + int rc = 0; + + for (i=0 ; i < count ; i++) { + wr_reg16(info, TIR, patterns[i]); + wr_reg16(info, BDR, patterns[(i+1)%count]); + if ((rd_reg16(info, TIR) != patterns[i]) || + (rd_reg16(info, BDR) != patterns[(i+1)%count])) { + rc = -ENODEV; + break; + } + } + + info->init_error = rc ? 0 : DiagStatus_AddressFailure; + return rc; +} + +static int irq_test(struct slgt_info *info) +{ + unsigned long timeout; + unsigned long flags; + struct tty_struct *oldtty = info->tty; + u32 speed = info->params.data_rate; + + info->params.data_rate = 921600; + info->tty = NULL; + + spin_lock_irqsave(&info->lock, flags); + async_mode(info); + slgt_irq_on(info, IRQ_TXIDLE); + + /* enable transmitter */ + wr_reg16(info, TCR, + (unsigned short)(rd_reg16(info, TCR) | BIT1)); + + /* write one byte and wait for tx idle */ + wr_reg16(info, TDR, 0); + + /* assume failure */ + info->init_error = DiagStatus_IrqFailure; + info->irq_occurred = FALSE; + + spin_unlock_irqrestore(&info->lock, flags); + + timeout=100; + while(timeout-- && !info->irq_occurred) + msleep_interruptible(10); + + spin_lock_irqsave(&info->lock,flags); + reset_port(info); + spin_unlock_irqrestore(&info->lock,flags); + + info->params.data_rate = speed; + info->tty = oldtty; + + info->init_error = info->irq_occurred ? 0 : DiagStatus_IrqFailure; + return info->irq_occurred ? 0 : -ENODEV; +} + +static int loopback_test_rx(struct slgt_info *info) +{ + unsigned char *src, *dest; + int count; + + if (desc_complete(info->rbufs[0])) { + count = desc_count(info->rbufs[0]); + src = info->rbufs[0].buf; + dest = info->tmp_rbuf; + + for( ; count ; count-=2, src+=2) { + /* src=data byte (src+1)=status byte */ + if (!(*(src+1) & (BIT9 + BIT8))) { + *dest = *src; + dest++; + info->tmp_rbuf_count++; + } + } + DBGDATA(info, info->tmp_rbuf, info->tmp_rbuf_count, "rx"); + return 1; + } + return 0; +} + +static int loopback_test(struct slgt_info *info) +{ +#define TESTFRAMESIZE 20 + + unsigned long timeout; + u16 count = TESTFRAMESIZE; + unsigned char buf[TESTFRAMESIZE]; + int rc = -ENODEV; + unsigned long flags; + + struct tty_struct *oldtty = info->tty; + MGSL_PARAMS params; + + memcpy(¶ms, &info->params, sizeof(params)); + + info->params.mode = MGSL_MODE_ASYNC; + info->params.data_rate = 921600; + info->params.loopback = 1; + info->tty = NULL; + + /* build and send transmit frame */ + for (count = 0; count < TESTFRAMESIZE; ++count) + buf[count] = (unsigned char)count; + + info->tmp_rbuf_count = 0; + memset(info->tmp_rbuf, 0, TESTFRAMESIZE); + + /* program hardware for HDLC and enabled receiver */ + spin_lock_irqsave(&info->lock,flags); + async_mode(info); + rx_start(info); + info->tx_count = count; + tx_load(info, buf, count); + tx_start(info); + spin_unlock_irqrestore(&info->lock, flags); + + /* wait for receive complete */ + for (timeout = 100; timeout; --timeout) { + msleep_interruptible(10); + if (loopback_test_rx(info)) { + rc = 0; + break; + } + } + + /* verify received frame length and contents */ + if (!rc && (info->tmp_rbuf_count != count || + memcmp(buf, info->tmp_rbuf, count))) { + rc = -ENODEV; + } + + spin_lock_irqsave(&info->lock,flags); + reset_adapter(info); + spin_unlock_irqrestore(&info->lock,flags); + + memcpy(&info->params, ¶ms, sizeof(info->params)); + info->tty = oldtty; + + info->init_error = rc ? DiagStatus_DmaFailure : 0; + return rc; +} + +static int adapter_test(struct slgt_info *info) +{ + DBGINFO(("testing %s\n", info->device_name)); + if ((info->init_error = register_test(info)) < 0) { + printk("register test failure %s addr=%08X\n", + info->device_name, info->phys_reg_addr); + } else if ((info->init_error = irq_test(info)) < 0) { + printk("IRQ test failure %s IRQ=%d\n", + info->device_name, info->irq_level); + } else if ((info->init_error = loopback_test(info)) < 0) { + printk("loopback test failure %s\n", info->device_name); + } + return info->init_error; +} + +/* + * transmit timeout handler + */ +static void tx_timeout(unsigned long context) +{ + struct slgt_info *info = (struct slgt_info*)context; + unsigned long flags; + + DBGINFO(("%s tx_timeout\n", info->device_name)); + if(info->tx_active && info->params.mode == MGSL_MODE_HDLC) { + info->icount.txtimeout++; + } + spin_lock_irqsave(&info->lock,flags); + info->tx_active = 0; + info->tx_count = 0; + spin_unlock_irqrestore(&info->lock,flags); + +#ifdef CONFIG_HDLC + if (info->netcount) + hdlcdev_tx_done(info); + else +#endif + bh_transmit(info); +} + +/* + * receive buffer polling timer + */ +static void rx_timeout(unsigned long context) +{ + struct slgt_info *info = (struct slgt_info*)context; + unsigned long flags; + + DBGINFO(("%s rx_timeout\n", info->device_name)); + spin_lock_irqsave(&info->lock, flags); + info->pending_bh |= BH_RECEIVE; + spin_unlock_irqrestore(&info->lock, flags); + bh_handler(info); +} + diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index ee5a40be9f9..960adb256fb 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -2196,7 +2196,7 @@ void isr_rxint(SLMP_INFO * info) if ( tty ) { if (!(status & info->ignore_status_mask1)) { if (info->read_status_mask1 & BRKD) { - *tty->flip.flag_buf_ptr = TTY_BREAK; + tty_insert_flip_char(tty, 0, TTY_BREAK); if (info->flags & ASYNC_SAK) do_SAK(tty); } @@ -2240,16 +2240,10 @@ void isr_rxrdy(SLMP_INFO * info) while((status = read_reg(info,CST0)) & BIT0) { + int flag = 0; + int over = 0; DataByte = read_reg(info,TRB); - if ( tty ) { - if (tty->flip.count >= TTY_FLIPBUF_SIZE) - continue; - - *tty->flip.char_buf_ptr = DataByte; - *tty->flip.flag_buf_ptr = 0; - } - icount->rx++; if ( status & (PE + FRME + OVRN) ) { @@ -2272,42 +2266,34 @@ void isr_rxrdy(SLMP_INFO * info) if ( tty ) { if (status & PE) - *tty->flip.flag_buf_ptr = TTY_PARITY; + flag = TTY_PARITY; else if (status & FRME) - *tty->flip.flag_buf_ptr = TTY_FRAME; + flag = TTY_FRAME; if (status & OVRN) { /* Overrun is special, since it's * reported immediately, and doesn't * affect the current character */ - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - tty->flip.count++; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - *tty->flip.flag_buf_ptr = TTY_OVERRUN; - } + over = 1; } } } /* end of if (error) */ if ( tty ) { - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; + tty_insert_flip_char(tty, DataByte, flag); + if (over) + tty_insert_flip_char(tty, 0, TTY_OVERRUN); } } if ( debug_level >= DEBUG_LEVEL_ISR ) { - printk("%s(%d):%s isr_rxrdy() flip count=%d\n", - __FILE__,__LINE__,info->device_name, - tty ? tty->flip.count : 0); printk("%s(%d):%s rx=%d brk=%d parity=%d frame=%d overrun=%d\n", __FILE__,__LINE__,info->device_name, icount->rx,icount->brk,icount->parity, icount->frame,icount->overrun); } - if ( tty && tty->flip.count ) + if ( tty ) tty_flip_buffer_push(tty); } @@ -5104,7 +5090,7 @@ void tx_load_dma_buffer(SLMP_INFO *info, const char *buf, unsigned int count) int register_test(SLMP_INFO *info) { static unsigned char testval[] = {0x00, 0xff, 0xaa, 0x55, 0x69, 0x96}; - static unsigned int count = sizeof(testval)/sizeof(unsigned char); + static unsigned int count = ARRAY_SIZE(testval); unsigned int i; int rc = TRUE; unsigned long flags; @@ -5422,7 +5408,7 @@ int memory_test(SLMP_INFO *info) { static unsigned long testval[] = { 0x0, 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999, 0xffffffff, 0x12345678 }; - unsigned long count = sizeof(testval)/sizeof(unsigned long); + unsigned long count = ARRAY_SIZE(testval); unsigned long i; unsigned long limit = SCA_MEM_SIZE/sizeof(unsigned long); unsigned long * addr = (unsigned long *)info->memory_base; diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 145275ebdd7..5765f672e85 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -153,6 +153,21 @@ static struct sysrq_key_op sysrq_mountro_op = { /* END SYNC SYSRQ HANDLERS BLOCK */ +#ifdef CONFIG_DEBUG_MUTEXES + +static void +sysrq_handle_showlocks(int key, struct pt_regs *pt_regs, struct tty_struct *tty) +{ + mutex_debug_show_all_locks(); +} + +static struct sysrq_key_op sysrq_showlocks_op = { + .handler = sysrq_handle_showlocks, + .help_msg = "show-all-locks(D)", + .action_msg = "Show Locks Held", +}; + +#endif /* SHOW SYSRQ HANDLERS BLOCK */ @@ -294,7 +309,11 @@ static struct sysrq_key_op *sysrq_key_table[SYSRQ_KEY_TABLE_LENGTH] = { #else /* c */ NULL, #endif +#ifdef CONFIG_DEBUG_MUTEXES +/* d */ &sysrq_showlocks_op, +#else /* d */ NULL, +#endif /* e */ &sysrq_term_op, /* f */ &sysrq_moom_op, /* g */ NULL, diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c index b3d411a756f..ac2a297ce37 100644 --- a/drivers/char/tb0219.c +++ b/drivers/char/tb0219.c @@ -1,7 +1,7 @@ /* * Driver for TANBAC TB0219 base board. * - * Copyright (C) 2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> + * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -27,7 +27,7 @@ #include <asm/vr41xx/giu.h> #include <asm/vr41xx/tb0219.h> -MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); MODULE_DESCRIPTION("TANBAC TB0219 base board driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 12167c04fa4..4c272189cd4 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -34,7 +34,6 @@ #include <linux/kernel.h> /* printk() */ #include <linux/fs.h> /* everything... */ #include <linux/errno.h> /* error codes */ -#include <linux/delay.h> /* udelay */ #include <linux/slab.h> #include <linux/ioport.h> #include <linux/interrupt.h> @@ -156,6 +155,8 @@ This directory exports the following interfaces. There operation is documented in the MCPBL0010 TPS under the Telecom Clock API section, 11.4. alarms : current_ref : +received_ref_clk3a : +received_ref_clk3b : enable_clk3a_output : enable_clk3b_output : enable_clka0_output : @@ -165,7 +166,7 @@ enable_clkb1_output : filter_select : hardware_switching : hardware_switching_mode : -interrupt_switch : +telclock_version : mode_select : refalign : reset : @@ -173,7 +174,6 @@ select_amcb1_transmit_clock : select_amcb2_transmit_clock : select_redundant_clock : select_ref_frequency : -test_mode : All sysfs interfaces are integers in hex format, i.e echo 99 > refalign has the same effect as echo 0x99 > refalign. @@ -211,7 +211,7 @@ static int tlclk_open(struct inode *inode, struct file *filp) result = request_irq(telclk_interrupt, &tlclk_interrupt, SA_INTERRUPT, "telco_clock", tlclk_interrupt); if (result == -EBUSY) { - printk(KERN_ERR "telco_clock: Interrupt can't be reserved!\n"); + printk(KERN_ERR "tlclk: Interrupt can't be reserved.\n"); return -EBUSY; } inb(TLCLK_REG6); /* Clear interrupt events */ @@ -226,7 +226,7 @@ static int tlclk_release(struct inode *inode, struct file *filp) return 0; } -ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count, +static ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos) { if (count < sizeof(struct tlclk_alarms)) @@ -242,7 +242,7 @@ ssize_t tlclk_read(struct file *filp, char __user *buf, size_t count, return sizeof(struct tlclk_alarms); } -ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t count, +static ssize_t tlclk_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos) { return 0; @@ -278,21 +278,21 @@ static ssize_t show_current_ref(struct device *d, static DEVICE_ATTR(current_ref, S_IRUGO, show_current_ref, NULL); -static ssize_t show_interrupt_switch(struct device *d, +static ssize_t show_telclock_version(struct device *d, struct device_attribute *attr, char *buf) { unsigned long ret_val; unsigned long flags; spin_lock_irqsave(&event_lock, flags); - ret_val = inb(TLCLK_REG6); + ret_val = inb(TLCLK_REG5); spin_unlock_irqrestore(&event_lock, flags); return sprintf(buf, "0x%lX\n", ret_val); } -static DEVICE_ATTR(interrupt_switch, S_IRUGO, - show_interrupt_switch, NULL); +static DEVICE_ATTR(telclock_version, S_IRUGO, + show_telclock_version, NULL); static ssize_t show_alarms(struct device *d, struct device_attribute *attr, char *buf) @@ -309,6 +309,50 @@ static ssize_t show_alarms(struct device *d, static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static ssize_t store_received_ref_clk3a(struct device *d, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long tmp; + unsigned char val; + unsigned long flags; + + sscanf(buf, "%lX", &tmp); + dev_dbg(d, ": tmp = 0x%lX\n", tmp); + + val = (unsigned char)tmp; + spin_lock_irqsave(&event_lock, flags); + SET_PORT_BITS(TLCLK_REG1, 0xef, val); + spin_unlock_irqrestore(&event_lock, flags); + + return strnlen(buf, count); +} + +static DEVICE_ATTR(received_ref_clk3a, S_IWUGO, NULL, + store_received_ref_clk3a); + + +static ssize_t store_received_ref_clk3b(struct device *d, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long tmp; + unsigned char val; + unsigned long flags; + + sscanf(buf, "%lX", &tmp); + dev_dbg(d, ": tmp = 0x%lX\n", tmp); + + val = (unsigned char)tmp; + spin_lock_irqsave(&event_lock, flags); + SET_PORT_BITS(TLCLK_REG1, 0xef, val << 1); + spin_unlock_irqrestore(&event_lock, flags); + + return strnlen(buf, count); +} + +static DEVICE_ATTR(received_ref_clk3b, S_IWUGO, NULL, + store_received_ref_clk3b); + + static ssize_t store_enable_clk3b_output(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { @@ -436,26 +480,6 @@ static ssize_t store_enable_clka0_output(struct device *d, static DEVICE_ATTR(enable_clka0_output, S_IWUGO, NULL, store_enable_clka0_output); -static ssize_t store_test_mode(struct device *d, - struct device_attribute *attr, const char *buf, size_t count) -{ - unsigned long flags; - unsigned long tmp; - unsigned char val; - - sscanf(buf, "%lX", &tmp); - dev_dbg(d, "tmp = 0x%lX\n", tmp); - - val = (unsigned char)tmp; - spin_lock_irqsave(&event_lock, flags); - SET_PORT_BITS(TLCLK_REG4, 0xfd, 2); - spin_unlock_irqrestore(&event_lock, flags); - - return strnlen(buf, count); -} - -static DEVICE_ATTR(test_mode, S_IWUGO, NULL, store_test_mode); - static ssize_t store_select_amcb2_transmit_clock(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { @@ -475,7 +499,7 @@ static ssize_t store_select_amcb2_transmit_clock(struct device *d, SET_PORT_BITS(TLCLK_REG3, 0xc7, 0x38); switch (val) { case CLK_8_592MHz: - SET_PORT_BITS(TLCLK_REG0, 0xfc, 1); + SET_PORT_BITS(TLCLK_REG0, 0xfc, 2); break; case CLK_11_184MHz: SET_PORT_BITS(TLCLK_REG0, 0xfc, 0); @@ -484,7 +508,7 @@ static ssize_t store_select_amcb2_transmit_clock(struct device *d, SET_PORT_BITS(TLCLK_REG0, 0xfc, 3); break; case CLK_44_736MHz: - SET_PORT_BITS(TLCLK_REG0, 0xfc, 2); + SET_PORT_BITS(TLCLK_REG0, 0xfc, 1); break; } } else @@ -653,9 +677,7 @@ static ssize_t store_refalign (struct device *d, dev_dbg(d, "tmp = 0x%lX\n", tmp); spin_lock_irqsave(&event_lock, flags); SET_PORT_BITS(TLCLK_REG0, 0xf7, 0); - udelay(2); SET_PORT_BITS(TLCLK_REG0, 0xf7, 0x08); - udelay(2); SET_PORT_BITS(TLCLK_REG0, 0xf7, 0); spin_unlock_irqrestore(&event_lock, flags); @@ -706,15 +728,16 @@ static DEVICE_ATTR(reset, S_IWUGO, NULL, store_reset); static struct attribute *tlclk_sysfs_entries[] = { &dev_attr_current_ref.attr, - &dev_attr_interrupt_switch.attr, + &dev_attr_telclock_version.attr, &dev_attr_alarms.attr, + &dev_attr_received_ref_clk3a.attr, + &dev_attr_received_ref_clk3b.attr, &dev_attr_enable_clk3a_output.attr, &dev_attr_enable_clk3b_output.attr, &dev_attr_enable_clkb1_output.attr, &dev_attr_enable_clka1_output.attr, &dev_attr_enable_clkb0_output.attr, &dev_attr_enable_clka0_output.attr, - &dev_attr_test_mode.attr, &dev_attr_select_amcb1_transmit_clock.attr, &dev_attr_select_amcb2_transmit_clock.attr, &dev_attr_select_redundant_clock.attr, @@ -741,7 +764,7 @@ static int __init tlclk_init(void) ret = register_chrdev(tlclk_major, "telco_clock", &tlclk_fops); if (ret < 0) { - printk(KERN_ERR "telco_clock: can't get major! %d\n", tlclk_major); + printk(KERN_ERR "tlclk: can't get major %d.\n", tlclk_major); return ret; } alarm_events = kzalloc( sizeof(struct tlclk_alarms), GFP_KERNEL); @@ -750,7 +773,7 @@ static int __init tlclk_init(void) /* Read telecom clock IRQ number (Set by BIOS) */ if (!request_region(TLCLK_BASE, 8, "telco_clock")) { - printk(KERN_ERR "tlclk: request_region failed! 0x%X\n", + printk(KERN_ERR "tlclk: request_region 0x%X failed.\n", TLCLK_BASE); ret = -EBUSY; goto out2; @@ -758,7 +781,7 @@ static int __init tlclk_init(void) telclk_interrupt = (inb(TLCLK_REG7) & 0x0f); if (0x0F == telclk_interrupt ) { /* not MCPBL0010 ? */ - printk(KERN_ERR "telclk_interrup = 0x%x non-mcpbl0010 hw\n", + printk(KERN_ERR "telclk_interrup = 0x%x non-mcpbl0010 hw.\n", telclk_interrupt); ret = -ENXIO; goto out3; @@ -768,7 +791,7 @@ static int __init tlclk_init(void) ret = misc_register(&tlclk_miscdev); if (ret < 0) { - printk(KERN_ERR " misc_register retruns %d\n", ret); + printk(KERN_ERR "tlclk: misc_register returns %d.\n", ret); ret = -EBUSY; goto out3; } @@ -776,8 +799,7 @@ static int __init tlclk_init(void) tlclk_device = platform_device_register_simple("telco_clock", -1, NULL, 0); if (!tlclk_device) { - printk(KERN_ERR " platform_device_register retruns 0x%X\n", - (unsigned int) tlclk_device); + printk(KERN_ERR "tlclk: platform_device_register failed.\n"); ret = -EBUSY; goto out4; } @@ -785,7 +807,7 @@ static int __init tlclk_init(void) ret = sysfs_create_group(&tlclk_device->dev.kobj, &tlclk_attribute_group); if (ret) { - printk(KERN_ERR "failed to create sysfs device attributes\n"); + printk(KERN_ERR "tlclk: failed to create sysfs device attributes.\n"); sysfs_remove_group(&tlclk_device->dev.kobj, &tlclk_attribute_group); goto out5; diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile index 2392e404e8d..ba4582d160f 100644 --- a/drivers/char/tpm/Makefile +++ b/drivers/char/tpm/Makefile @@ -2,6 +2,9 @@ # Makefile for the kernel tpm device drivers. # obj-$(CONFIG_TCG_TPM) += tpm.o +ifdef CONFIG_ACPI + obj-$(CONFIG_TCG_TPM) += tpm_bios.o +endif obj-$(CONFIG_TCG_NSC) += tpm_nsc.o obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index a9be0e8eaea..5a3870477ef 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -466,6 +466,7 @@ void tpm_remove_hardware(struct device *dev) kfree(chip->vendor->miscdev.name); sysfs_remove_group(&dev->kobj, chip->vendor->attr_group); + tpm_bios_log_teardown(chip->bios_dir); dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &= ~(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES)); @@ -593,6 +594,8 @@ dev_num_search_complete: sysfs_create_group(&dev->kobj, chip->vendor->attr_group); + chip->bios_dir = tpm_bios_log_setup(devname); + return 0; } EXPORT_SYMBOL_GPL(tpm_register_hardware); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 159882ca69d..fd3a4beaa53 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -82,6 +82,8 @@ struct tpm_chip { struct tpm_vendor_specific *vendor; + struct dentry **bios_dir; + struct list_head list; }; @@ -107,3 +109,16 @@ extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *); extern void tpm_remove_hardware(struct device *); extern int tpm_pm_suspend(struct device *, pm_message_t); extern int tpm_pm_resume(struct device *); + +#ifdef CONFIG_ACPI +extern struct dentry ** tpm_bios_log_setup(char *); +extern void tpm_bios_log_teardown(struct dentry **); +#else +static inline struct dentry* tpm_bios_log_setup(char *name) +{ + return NULL; +} +static inline void tpm_bios_log_teardown(struct dentry **dir) +{ +} +#endif diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c new file mode 100644 index 00000000000..aedf7a8e6da --- /dev/null +++ b/drivers/char/tpm/tpm_bios.c @@ -0,0 +1,540 @@ +/* + * Copyright (C) 2005 IBM Corporation + * + * Authors: + * Seiji Munetoh <munetoh@jp.ibm.com> + * Stefan Berger <stefanb@us.ibm.com> + * Reiner Sailer <sailer@watson.ibm.com> + * Kylene Hall <kjhall@us.ibm.com> + * + * Access to the eventlog extended by the TCG BIOS of PC platform + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <linux/seq_file.h> +#include <linux/fs.h> +#include <linux/security.h> +#include <linux/module.h> +#include <acpi/acpi.h> +#include <acpi/actypes.h> +#include <acpi/actbl.h> +#include "tpm.h" + +#define TCG_EVENT_NAME_LEN_MAX 255 +#define MAX_TEXT_EVENT 1000 /* Max event string length */ +#define ACPI_TCPA_SIG "TCPA" /* 0x41504354 /'TCPA' */ + +struct tpm_bios_log { + void *bios_event_log; + void *bios_event_log_end; +}; + +struct acpi_tcpa { + struct acpi_table_header hdr; + u16 reserved; + u32 log_max_len __attribute__ ((packed)); + u32 log_start_addr __attribute__ ((packed)); +}; + +struct tcpa_event { + u32 pcr_index; + u32 event_type; + u8 pcr_value[20]; /* SHA1 */ + u32 event_size; + u8 event_data[0]; +}; + +enum tcpa_event_types { + PREBOOT = 0, + POST_CODE, + UNUSED, + NO_ACTION, + SEPARATOR, + ACTION, + EVENT_TAG, + SCRTM_CONTENTS, + SCRTM_VERSION, + CPU_MICROCODE, + PLATFORM_CONFIG_FLAGS, + TABLE_OF_DEVICES, + COMPACT_HASH, + IPL, + IPL_PARTITION_DATA, + NONHOST_CODE, + NONHOST_CONFIG, + NONHOST_INFO, +}; + +static const char* tcpa_event_type_strings[] = { + "PREBOOT", + "POST CODE", + "", + "NO ACTION", + "SEPARATOR", + "ACTION", + "EVENT TAG", + "S-CRTM Contents", + "S-CRTM Version", + "CPU Microcode", + "Platform Config Flags", + "Table of Devices", + "Compact Hash", + "IPL", + "IPL Partition Data", + "Non-Host Code", + "Non-Host Config", + "Non-Host Info" +}; + +enum tcpa_pc_event_ids { + SMBIOS = 1, + BIS_CERT, + POST_BIOS_ROM, + ESCD, + CMOS, + NVRAM, + OPTION_ROM_EXEC, + OPTION_ROM_CONFIG, + OPTION_ROM_MICROCODE, + S_CRTM_VERSION, + S_CRTM_CONTENTS, + POST_CONTENTS, +}; + +static const char* tcpa_pc_event_id_strings[] = { + "" + "SMBIOS", + "BIS Certificate", + "POST BIOS ", + "ESCD ", + "CMOS", + "NVRAM", + "Option ROM", + "Option ROM config", + "Option ROM microcode", + "S-CRTM Version", + "S-CRTM Contents", + "S-CRTM POST Contents", +}; + +/* returns pointer to start of pos. entry of tcg log */ +static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos) +{ + loff_t i; + struct tpm_bios_log *log = m->private; + void *addr = log->bios_event_log; + void *limit = log->bios_event_log_end; + struct tcpa_event *event; + + /* read over *pos measurements */ + for (i = 0; i < *pos; i++) { + event = addr; + + if ((addr + sizeof(struct tcpa_event)) < limit) { + if (event->event_type == 0 && event->event_size == 0) + return NULL; + addr += sizeof(struct tcpa_event) + event->event_size; + } + } + + /* now check if current entry is valid */ + if ((addr + sizeof(struct tcpa_event)) >= limit) + return NULL; + + event = addr; + + if ((event->event_type == 0 && event->event_size == 0) || + ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit)) + return NULL; + + return addr; +} + +static void *tpm_bios_measurements_next(struct seq_file *m, void *v, + loff_t *pos) +{ + struct tcpa_event *event = v; + struct tpm_bios_log *log = m->private; + void *limit = log->bios_event_log_end; + + v += sizeof(struct tcpa_event) + event->event_size; + + /* now check if current entry is valid */ + if ((v + sizeof(struct tcpa_event)) >= limit) + return NULL; + + event = v; + + if (event->event_type == 0 && event->event_size == 0) + return NULL; + + if ((event->event_type == 0 && event->event_size == 0) || + ((v + sizeof(struct tcpa_event) + event->event_size) >= limit)) + return NULL; + + (*pos)++; + return v; +} + +static void tpm_bios_measurements_stop(struct seq_file *m, void *v) +{ +} + +static int get_event_name(char *dest, struct tcpa_event *event, + unsigned char * event_entry) +{ + const char *name = ""; + char data[40] = ""; + int i, n_len = 0, d_len = 0; + u32 event_id, event_data_size; + + switch(event->event_type) { + case PREBOOT: + case POST_CODE: + case UNUSED: + case NO_ACTION: + case SCRTM_CONTENTS: + case SCRTM_VERSION: + case CPU_MICROCODE: + case PLATFORM_CONFIG_FLAGS: + case TABLE_OF_DEVICES: + case COMPACT_HASH: + case IPL: + case IPL_PARTITION_DATA: + case NONHOST_CODE: + case NONHOST_CONFIG: + case NONHOST_INFO: + name = tcpa_event_type_strings[event->event_type]; + n_len = strlen(name); + break; + case SEPARATOR: + case ACTION: + if (MAX_TEXT_EVENT > event->event_size) { + name = event_entry; + n_len = event->event_size; + } + break; + case EVENT_TAG: + event_id = be32_to_cpu(event_entry); + event_data_size = be32_to_cpu(&event_entry[4]); + + /* ToDo Row data -> Base64 */ + + switch (event_id) { + case SMBIOS: + case BIS_CERT: + case CMOS: + case NVRAM: + case OPTION_ROM_EXEC: + case OPTION_ROM_CONFIG: + case OPTION_ROM_MICROCODE: + case S_CRTM_VERSION: + case S_CRTM_CONTENTS: + case POST_CONTENTS: + name = tcpa_pc_event_id_strings[event_id]; + n_len = strlen(name); + break; + case POST_BIOS_ROM: + case ESCD: + name = tcpa_pc_event_id_strings[event_id]; + n_len = strlen(name); + for (i = 0; i < 20; i++) + d_len += sprintf(data, "%02x", + event_entry[8 + i]); + break; + default: + break; + } + default: + break; + } + + return snprintf(dest, MAX_TEXT_EVENT, "[%.*s%.*s]", + n_len, name, d_len, data); + +} + +static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v) +{ + + char *eventname; + char data[4]; + u32 help; + int i, len; + struct tcpa_event *event = (struct tcpa_event *) v; + unsigned char *event_entry = + (unsigned char *) (v + sizeof(struct tcpa_event)); + + eventname = kmalloc(MAX_TEXT_EVENT, GFP_KERNEL); + if (!eventname) { + printk(KERN_ERR "%s: ERROR - No Memory for event name\n ", + __func__); + return -ENOMEM; + } + + /* 1st: PCR used is in little-endian format (4 bytes) */ + help = le32_to_cpu(event->pcr_index); + memcpy(data, &help, 4); + for (i = 0; i < 4; i++) + seq_putc(m, data[i]); + + /* 2nd: SHA1 (20 bytes) */ + for (i = 0; i < 20; i++) + seq_putc(m, event->pcr_value[i]); + + /* 3rd: event type identifier (4 bytes) */ + help = le32_to_cpu(event->event_type); + memcpy(data, &help, 4); + for (i = 0; i < 4; i++) + seq_putc(m, data[i]); + + len = 0; + + len += get_event_name(eventname, event, event_entry); + + /* 4th: filename <= 255 + \'0' delimiter */ + if (len > TCG_EVENT_NAME_LEN_MAX) + len = TCG_EVENT_NAME_LEN_MAX; + + for (i = 0; i < len; i++) + seq_putc(m, eventname[i]); + + /* 5th: delimiter */ + seq_putc(m, '\0'); + + return 0; +} + +static int tpm_bios_measurements_release(struct inode *inode, + struct file *file) +{ + struct seq_file *seq = file->private_data; + struct tpm_bios_log *log = seq->private; + + if (log) { + kfree(log->bios_event_log); + kfree(log); + } + + return seq_release(inode, file); +} + +static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v) +{ + int len = 0; + int i; + char *eventname; + struct tcpa_event *event = v; + unsigned char *event_entry = + (unsigned char *) (v + sizeof(struct tcpa_event)); + + eventname = kmalloc(MAX_TEXT_EVENT, GFP_KERNEL); + if (!eventname) { + printk(KERN_ERR "%s: ERROR - No Memory for event name\n ", + __func__); + return -EFAULT; + } + + seq_printf(m, "%2d ", event->pcr_index); + + /* 2nd: SHA1 */ + for (i = 0; i < 20; i++) + seq_printf(m, "%02x", event->pcr_value[i]); + + /* 3rd: event type identifier */ + seq_printf(m, " %02x", event->event_type); + + len += get_event_name(eventname, event, event_entry); + + /* 4th: eventname <= max + \'0' delimiter */ + seq_printf(m, " %s\n", eventname); + + return 0; +} + +static struct seq_operations tpm_ascii_b_measurments_seqops = { + .start = tpm_bios_measurements_start, + .next = tpm_bios_measurements_next, + .stop = tpm_bios_measurements_stop, + .show = tpm_ascii_bios_measurements_show, +}; + +static struct seq_operations tpm_binary_b_measurments_seqops = { + .start = tpm_bios_measurements_start, + .next = tpm_bios_measurements_next, + .stop = tpm_bios_measurements_stop, + .show = tpm_binary_bios_measurements_show, +}; + +/* read binary bios log */ +static int read_log(struct tpm_bios_log *log) +{ + struct acpi_tcpa *buff; + acpi_status status; + void *virt; + + if (log->bios_event_log != NULL) { + printk(KERN_ERR + "%s: ERROR - Eventlog already initialized\n", + __func__); + return -EFAULT; + } + + /* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */ + status = acpi_get_firmware_table(ACPI_TCPA_SIG, 1, + ACPI_LOGICAL_ADDRESSING, + (struct acpi_table_header **) + &buff); + + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", + __func__); + return -EIO; + } + + if (buff->log_max_len == 0) { + printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__); + return -EIO; + } + + /* malloc EventLog space */ + log->bios_event_log = kmalloc(buff->log_max_len, GFP_KERNEL); + if (!log->bios_event_log) { + printk + ("%s: ERROR - Not enough Memory for BIOS measurements\n", + __func__); + return -ENOMEM; + } + + log->bios_event_log_end = log->bios_event_log + buff->log_max_len; + + acpi_os_map_memory(buff->log_start_addr, buff->log_max_len, &virt); + + memcpy(log->bios_event_log, virt, buff->log_max_len); + + acpi_os_unmap_memory(virt, buff->log_max_len); + return 0; +} + +static int tpm_ascii_bios_measurements_open(struct inode *inode, + struct file *file) +{ + int err; + struct tpm_bios_log *log; + struct seq_file *seq; + + log = kzalloc(sizeof(struct tpm_bios_log), GFP_KERNEL); + if (!log) + return -ENOMEM; + + if ((err = read_log(log))) + return err; + + /* now register seq file */ + err = seq_open(file, &tpm_ascii_b_measurments_seqops); + if (!err) { + seq = file->private_data; + seq->private = log; + } else { + kfree(log->bios_event_log); + kfree(log); + } + return err; +} + +struct file_operations tpm_ascii_bios_measurements_ops = { + .open = tpm_ascii_bios_measurements_open, + .read = seq_read, + .llseek = seq_lseek, + .release = tpm_bios_measurements_release, +}; + +static int tpm_binary_bios_measurements_open(struct inode *inode, + struct file *file) +{ + int err; + struct tpm_bios_log *log; + struct seq_file *seq; + + log = kzalloc(sizeof(struct tpm_bios_log), GFP_KERNEL); + if (!log) + return -ENOMEM; + + if ((err = read_log(log))) + return err; + + /* now register seq file */ + err = seq_open(file, &tpm_binary_b_measurments_seqops); + if (!err) { + seq = file->private_data; + seq->private = log; + } else { + kfree(log->bios_event_log); + kfree(log); + } + return err; +} + +struct file_operations tpm_binary_bios_measurements_ops = { + .open = tpm_binary_bios_measurements_open, + .read = seq_read, + .llseek = seq_lseek, + .release = tpm_bios_measurements_release, +}; + +struct dentry **tpm_bios_log_setup(char *name) +{ + struct dentry **ret = NULL, *tpm_dir, *bin_file, *ascii_file; + + tpm_dir = securityfs_create_dir(name, NULL); + if (!tpm_dir) + goto out; + + bin_file = + securityfs_create_file("binary_bios_measurements", + S_IRUSR | S_IRGRP, tpm_dir, NULL, + &tpm_binary_bios_measurements_ops); + if (!bin_file) + goto out_tpm; + + ascii_file = + securityfs_create_file("ascii_bios_measurements", + S_IRUSR | S_IRGRP, tpm_dir, NULL, + &tpm_ascii_bios_measurements_ops); + if (!ascii_file) + goto out_bin; + + ret = kmalloc(3 * sizeof(struct dentry *), GFP_KERNEL); + if (!ret) + goto out_ascii; + + ret[0] = ascii_file; + ret[1] = bin_file; + ret[2] = tpm_dir; + + return ret; + +out_ascii: + securityfs_remove(ascii_file); +out_bin: + securityfs_remove(bin_file); +out_tpm: + securityfs_remove(tpm_dir); +out: + return NULL; +} +EXPORT_SYMBOL_GPL(tpm_bios_log_setup); + +void tpm_bios_log_teardown(struct dentry **lst) +{ + int i; + + for (i = 0; i < 3; i++) + securityfs_remove(lst[i]); +} +EXPORT_SYMBOL_GPL(tpm_bios_log_teardown); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 4b1eef51ec5..eb8b5be4e24 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -166,9 +166,12 @@ static struct tty_struct *alloc_tty_struct(void) return tty; } +static void tty_buffer_free_all(struct tty_struct *); + static inline void free_tty_struct(struct tty_struct *tty) { kfree(tty->write_buf); + tty_buffer_free_all(tty); kfree(tty); } @@ -231,6 +234,200 @@ static int check_tty_count(struct tty_struct *tty, const char *routine) } /* + * Tty buffer allocation management + */ + +static void tty_buffer_free_all(struct tty_struct *tty) +{ + struct tty_buffer *thead; + while((thead = tty->buf.head) != NULL) { + tty->buf.head = thead->next; + kfree(thead); + } + while((thead = tty->buf.free) != NULL) { + tty->buf.free = thead->next; + kfree(thead); + } + tty->buf.tail = NULL; +} + +static void tty_buffer_init(struct tty_struct *tty) +{ + tty->buf.head = NULL; + tty->buf.tail = NULL; + tty->buf.free = NULL; +} + +static struct tty_buffer *tty_buffer_alloc(size_t size) +{ + struct tty_buffer *p = kmalloc(sizeof(struct tty_buffer) + 2 * size, GFP_ATOMIC); + if(p == NULL) + return NULL; + p->used = 0; + p->size = size; + p->next = NULL; + p->char_buf_ptr = (char *)(p->data); + p->flag_buf_ptr = (unsigned char *)p->char_buf_ptr + size; +/* printk("Flip create %p\n", p); */ + return p; +} + +/* Must be called with the tty_read lock held. This needs to acquire strategy + code to decide if we should kfree or relink a given expired buffer */ + +static void tty_buffer_free(struct tty_struct *tty, struct tty_buffer *b) +{ + /* Dumb strategy for now - should keep some stats */ +/* printk("Flip dispose %p\n", b); */ + if(b->size >= 512) + kfree(b); + else { + b->next = tty->buf.free; + tty->buf.free = b; + } +} + +static struct tty_buffer *tty_buffer_find(struct tty_struct *tty, size_t size) +{ + struct tty_buffer **tbh = &tty->buf.free; + while((*tbh) != NULL) { + struct tty_buffer *t = *tbh; + if(t->size >= size) { + *tbh = t->next; + t->next = NULL; + t->used = 0; + /* DEBUG ONLY */ + memset(t->data, '*', size); +/* printk("Flip recycle %p\n", t); */ + return t; + } + tbh = &((*tbh)->next); + } + /* Round the buffer size out */ + size = (size + 0xFF) & ~ 0xFF; + return tty_buffer_alloc(size); + /* Should possibly check if this fails for the largest buffer we + have queued and recycle that ? */ +} + +int tty_buffer_request_room(struct tty_struct *tty, size_t size) +{ + struct tty_buffer *b = tty->buf.tail, *n; + int left = 0; + + /* OPTIMISATION: We could keep a per tty "zero" sized buffer to + remove this conditional if its worth it. This would be invisible + to the callers */ + if(b != NULL) + left = b->size - b->used; + if(left >= size) + return size; + /* This is the slow path - looking for new buffers to use */ + n = tty_buffer_find(tty, size); + if(n == NULL) + return left; + if(b != NULL) + b->next = n; + else + tty->buf.head = n; + tty->buf.tail = n; + return size; +} + +EXPORT_SYMBOL_GPL(tty_buffer_request_room); + +int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size) +{ + int copied = 0; + do { + int space = tty_buffer_request_room(tty, size - copied); + struct tty_buffer *tb = tty->buf.tail; + /* If there is no space then tb may be NULL */ + if(unlikely(space == 0)) + break; + memcpy(tb->char_buf_ptr + tb->used, chars, space); + memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); + tb->used += space; + copied += space; + chars += space; +/* printk("Flip insert %d.\n", space); */ + } + /* There is a small chance that we need to split the data over + several buffers. If this is the case we must loop */ + while (unlikely(size > copied)); + return copied; +} + +EXPORT_SYMBOL_GPL(tty_insert_flip_string); + +int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size) +{ + int copied = 0; + do { + int space = tty_buffer_request_room(tty, size - copied); + struct tty_buffer *tb = tty->buf.tail; + /* If there is no space then tb may be NULL */ + if(unlikely(space == 0)) + break; + memcpy(tb->char_buf_ptr + tb->used, chars, space); + memcpy(tb->flag_buf_ptr + tb->used, flags, space); + tb->used += space; + copied += space; + chars += space; + flags += space; + } + /* There is a small chance that we need to split the data over + several buffers. If this is the case we must loop */ + while (unlikely(size > copied)); + return copied; +} + +EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags); + + +/* + * Prepare a block of space in the buffer for data. Returns the length + * available and buffer pointer to the space which is now allocated and + * accounted for as ready for normal characters. This is used for drivers + * that need their own block copy routines into the buffer. There is no + * guarantee the buffer is a DMA target! + */ + +int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size) +{ + int space = tty_buffer_request_room(tty, size); + struct tty_buffer *tb = tty->buf.tail; + *chars = tb->char_buf_ptr + tb->used; + memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space); + tb->used += space; + return space; +} + +EXPORT_SYMBOL_GPL(tty_prepare_flip_string); + +/* + * Prepare a block of space in the buffer for data. Returns the length + * available and buffer pointer to the space which is now allocated and + * accounted for as ready for characters. This is used for drivers + * that need their own block copy routines into the buffer. There is no + * guarantee the buffer is a DMA target! + */ + +int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size) +{ + int space = tty_buffer_request_room(tty, size); + struct tty_buffer *tb = tty->buf.tail; + *chars = tb->char_buf_ptr + tb->used; + *flags = tb->flag_buf_ptr + tb->used; + tb->used += space; + return space; +} + +EXPORT_SYMBOL_GPL(tty_prepare_flip_string_flags); + + + +/* * This is probably overkill for real world processors but * they are not on hot paths so a little discipline won't do * any harm. @@ -492,6 +689,17 @@ restart: if (ld == NULL) return -EINVAL; + /* + * No more input please, we are switching. The new ldisc + * will update this value in the ldisc open function + */ + + tty->receive_room = 0; + + /* + * Problem: What do we do if this blocks ? + */ + tty_wait_until_sent(tty, 0); if (tty->ldisc.num == ldisc) { @@ -560,9 +768,9 @@ restart: * we say so later on. */ - work = cancel_delayed_work(&tty->flip.work); + work = cancel_delayed_work(&tty->buf.work); /* - * Wait for ->hangup_work and ->flip.work handlers to terminate + * Wait for ->hangup_work and ->buf.work handlers to terminate */ flush_scheduled_work(); @@ -616,7 +824,7 @@ restart: /* Restart it in case no characters kick it off. Safe if already running */ if (work) - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); return retval; } @@ -1721,10 +1929,10 @@ static void release_dev(struct file * filp) */ clear_bit(TTY_LDISC, &tty->flags); clear_bit(TTY_DONT_FLIP, &tty->flags); - cancel_delayed_work(&tty->flip.work); + cancel_delayed_work(&tty->buf.work); /* - * Wait for ->hangup_work and ->flip.work handlers to terminate + * Wait for ->hangup_work and ->buf.work handlers to terminate */ flush_scheduled_work(); @@ -2518,17 +2726,15 @@ EXPORT_SYMBOL(do_SAK); /* * This routine is called out of the software interrupt to flush data - * from the flip buffer to the line discipline. + * from the buffer chain to the line discipline. */ static void flush_to_ldisc(void *private_) { struct tty_struct *tty = (struct tty_struct *) private_; - unsigned char *cp; - char *fp; - int count; unsigned long flags; struct tty_ldisc *disc; + struct tty_buffer *tbuf; disc = tty_ldisc_ref(tty); if (disc == NULL) /* !TTY_LDISC */ @@ -2538,28 +2744,23 @@ static void flush_to_ldisc(void *private_) /* * Do it after the next timer tick: */ - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); goto out; } spin_lock_irqsave(&tty->read_lock, flags); - if (tty->flip.buf_num) { - cp = tty->flip.char_buf + TTY_FLIPBUF_SIZE; - fp = tty->flip.flag_buf + TTY_FLIPBUF_SIZE; - tty->flip.buf_num = 0; - tty->flip.char_buf_ptr = tty->flip.char_buf; - tty->flip.flag_buf_ptr = tty->flip.flag_buf; - } else { - cp = tty->flip.char_buf; - fp = tty->flip.flag_buf; - tty->flip.buf_num = 1; - tty->flip.char_buf_ptr = tty->flip.char_buf + TTY_FLIPBUF_SIZE; - tty->flip.flag_buf_ptr = tty->flip.flag_buf + TTY_FLIPBUF_SIZE; - } - count = tty->flip.count; - tty->flip.count = 0; + while((tbuf = tty->buf.head) != NULL) { + tty->buf.head = tbuf->next; + if (tty->buf.head == NULL) + tty->buf.tail = NULL; + spin_unlock_irqrestore(&tty->read_lock, flags); + /* printk("Process buffer %p for %d\n", tbuf, tbuf->used); */ + disc->receive_buf(tty, tbuf->char_buf_ptr, + tbuf->flag_buf_ptr, + tbuf->used); + spin_lock_irqsave(&tty->read_lock, flags); + tty_buffer_free(tty, tbuf); + } spin_unlock_irqrestore(&tty->read_lock, flags); - - disc->receive_buf(tty, cp, fp, count); out: tty_ldisc_deref(disc); } @@ -2654,11 +2855,12 @@ void tty_flip_buffer_push(struct tty_struct *tty) if (tty->low_latency) flush_to_ldisc((void *) tty); else - schedule_delayed_work(&tty->flip.work, 1); + schedule_delayed_work(&tty->buf.work, 1); } EXPORT_SYMBOL(tty_flip_buffer_push); + /* * This subroutine initializes a tty structure. */ @@ -2669,10 +2871,10 @@ static void initialize_tty_struct(struct tty_struct *tty) tty_ldisc_assign(tty, tty_ldisc_get(N_TTY)); tty->pgrp = -1; tty->overrun_time = jiffies; - tty->flip.char_buf_ptr = tty->flip.char_buf; - tty->flip.flag_buf_ptr = tty->flip.flag_buf; - INIT_WORK(&tty->flip.work, flush_to_ldisc, tty); - init_MUTEX(&tty->flip.pty_sem); + tty->buf.head = tty->buf.tail = NULL; + tty_buffer_init(tty); + INIT_WORK(&tty->buf.work, flush_to_ldisc, tty); + init_MUTEX(&tty->buf.pty_sem); init_MUTEX(&tty->termios_sem); init_waitqueue_head(&tty->write_wait); init_waitqueue_head(&tty->read_wait); diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c index 4d75c261f98..4e536038874 100644 --- a/drivers/char/viocons.c +++ b/drivers/char/viocons.c @@ -131,7 +131,7 @@ static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp); static struct tty_driver *viotty_driver; -void hvlog(char *fmt, ...) +static void hvlog(char *fmt, ...) { int i; unsigned long flags; @@ -147,7 +147,7 @@ void hvlog(char *fmt, ...) spin_unlock_irqrestore(&consoleloglock, flags); } -void hvlogOutput(const char *buf, int count) +static void hvlogOutput(const char *buf, int count) { unsigned long flags; int begin; @@ -476,19 +476,19 @@ static struct port_info *get_port_data(struct tty_struct *tty) */ static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp) { + struct HvLpEvent *hev = &viochar->event; + memset(viochar, 0, sizeof(struct viocharlpevent)); - viochar->event.xFlags.xValid = 1; - viochar->event.xFlags.xFunction = HvLpEvent_Function_Int; - viochar->event.xFlags.xAckInd = HvLpEvent_AckInd_NoAck; - viochar->event.xFlags.xAckType = HvLpEvent_AckType_DeferredAck; - viochar->event.xType = HvLpEvent_Type_VirtualIo; - viochar->event.xSubtype = viomajorsubtype_chario | viochardata; - viochar->event.xSourceLp = HvLpConfig_getLpIndex(); - viochar->event.xTargetLp = lp; - viochar->event.xSizeMinus1 = sizeof(struct viocharlpevent); - viochar->event.xSourceInstanceId = viopath_sourceinst(lp); - viochar->event.xTargetInstanceId = viopath_targetinst(lp); + hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DEFERRED_ACK | + HV_LP_EVENT_INT; + hev->xType = HvLpEvent_Type_VirtualIo; + hev->xSubtype = viomajorsubtype_chario | viochardata; + hev->xSourceLp = HvLpConfig_getLpIndex(); + hev->xTargetLp = lp; + hev->xSizeMinus1 = sizeof(struct viocharlpevent); + hev->xSourceInstanceId = viopath_sourceinst(lp); + hev->xTargetInstanceId = viopath_targetinst(lp); } /* @@ -752,7 +752,7 @@ static void vioHandleOpenEvent(struct HvLpEvent *event) struct port_info *pi; int reject = 0; - if (event->xFlags.xFunction == HvLpEvent_Function_Ack) { + if (hvlpevent_is_ack(event)) { if (port >= VTTY_PORTS) return; @@ -788,7 +788,7 @@ static void vioHandleOpenEvent(struct HvLpEvent *event) } /* This had better require an ack, otherwise complain */ - if (event->xFlags.xAckInd != HvLpEvent_AckInd_DoAck) { + if (!hvlpevent_need_ack(event)) { printk(VIOCONS_KERN_WARN "viocharopen without ack bit!\n"); return; } @@ -856,7 +856,7 @@ static void vioHandleCloseEvent(struct HvLpEvent *event) struct viocharlpevent *cevent = (struct viocharlpevent *)event; u8 port = cevent->virtual_device; - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { if (port >= VTTY_PORTS) { printk(VIOCONS_KERN_WARN "close message from invalid virtual device.\n"); @@ -904,6 +904,7 @@ static void vioHandleData(struct HvLpEvent *event) struct viocharlpevent *cevent = (struct viocharlpevent *)event; struct port_info *pi; int index; + int num_pushed; u8 port = cevent->virtual_device; if (port >= VTTY_PORTS) { @@ -964,6 +965,7 @@ static void vioHandleData(struct HvLpEvent *event) * functionality will only work if built into the kernel and * then only if sysrq is enabled through the proc filesystem. */ + num_pushed = 0; for (index = 0; index < cevent->len; index++) { #ifdef CONFIG_MAGIC_SYSRQ if (sysrq_enabled) { @@ -993,16 +995,14 @@ static void vioHandleData(struct HvLpEvent *event) * Don't attempt to copy more data into the buffer than we * have room for because it would fail without indication. */ - if ((tty->flip.count + 1) > TTY_FLIPBUF_SIZE) { + if(tty_insert_flip_char(tty, cevent->data[index], TTY_NORMAL) == 0) { printk(VIOCONS_KERN_WARN "input buffer overflow!\n"); break; } - tty_insert_flip_char(tty, cevent->data[index], TTY_NORMAL); + num_pushed++; } - /* if cevent->len == 0 then no data was added to the buffer and flip.count == 0 */ - if (tty->flip.count) - /* The next call resets flip.count when the data is flushed. */ + if (num_pushed) tty_flip_buffer_push(tty); } @@ -1056,8 +1056,7 @@ static void vioHandleCharEvent(struct HvLpEvent *event) vioHandleConfig(event); break; default: - if ((event->xFlags.xFunction == HvLpEvent_Function_Int) && - (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) { + if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c index 19ba83635dd..d9325281e48 100644 --- a/drivers/char/vme_scc.c +++ b/drivers/char/vme_scc.c @@ -434,13 +434,7 @@ static irqreturn_t scc_rx_int(int irq, void *data, struct pt_regs *fp) SCCwrite_NB(COMMAND_REG, CR_HIGHEST_IUS_RESET); return IRQ_HANDLED; } - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.char_buf_ptr = ch; - *tty->flip.flag_buf_ptr = 0; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } + tty_insert_flip_char(tty, ch, 0); /* Check if another character is already ready; in that case, the * spcond_int() function must be used, because this character may have an @@ -487,13 +481,7 @@ static irqreturn_t scc_spcond_int(int irq, void *data, struct pt_regs *fp) else err = 0; - if (tty->flip.count < TTY_FLIPBUF_SIZE) { - *tty->flip.char_buf_ptr = ch; - *tty->flip.flag_buf_ptr = err; - tty->flip.flag_buf_ptr++; - tty->flip.char_buf_ptr++; - tty->flip.count++; - } + tty_insert_flip_char(tty, ch, err); /* ++TeSche: *All* errors have to be cleared manually, * else the condition persists for the next chars @@ -875,13 +863,13 @@ static int scc_open (struct tty_struct * tty, struct file * filp) local_irq_save(flags); #if defined(CONFIG_MVME147_SCC) || defined(CONFIG_MVME162_SCC) if (MACH_IS_MVME147 || MACH_IS_MVME16x) { - for (i=0; i<sizeof(mvme_init_tab)/sizeof(*mvme_init_tab); ++i) + for (i = 0; i < ARRAY_SIZE(mvme_init_tab); ++i) SCCwrite(mvme_init_tab[i].reg, mvme_init_tab[i].val); } #endif #if defined(CONFIG_BVME6000_SCC) if (MACH_IS_BVME6000) { - for (i=0; i<sizeof(bvme_init_tab)/sizeof(*bvme_init_tab); ++i) + for (i = 0; i < ARRAY_SIZE(bvme_init_tab); ++i) SCCwrite(bvme_init_tab[i].reg, bvme_init_tab[i].val); } #endif diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index 9ac6d43437b..2267c7b8179 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -3,7 +3,7 @@ * * Copyright (C) 2002 MontaVista Software Inc. * Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com> - * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> + * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -35,7 +35,7 @@ #include <asm/vr41xx/giu.h> #include <asm/vr41xx/vr41xx.h> -MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); MODULE_DESCRIPTION("NEC VR4100 series General-purpose I/O Unit driver"); MODULE_LICENSE("GPL"); @@ -718,7 +718,7 @@ static struct platform_driver giu_device_driver = { }, }; -static int __devinit vr41xx_giu_init(void) +static int __init vr41xx_giu_init(void) { int retval; @@ -733,7 +733,7 @@ static int __devinit vr41xx_giu_init(void) return retval; } -static void __devexit vr41xx_giu_exit(void) +static void __exit vr41xx_giu_exit(void) { platform_driver_unregister(&giu_device_driver); diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c index 435b30748e2..bc1b4a15212 100644 --- a/drivers/char/vr41xx_rtc.c +++ b/drivers/char/vr41xx_rtc.c @@ -1,7 +1,7 @@ /* * Driver for NEC VR4100 series Real Time Clock unit. * - * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> + * Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -37,7 +37,7 @@ #include <asm/uaccess.h> #include <asm/vr41xx/vr41xx.h> -MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>"); +MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>"); MODULE_DESCRIPTION("NEC VR4100 series RTC driver"); MODULE_LICENSE("GPL"); @@ -127,8 +127,6 @@ struct resource rtc_resource[2] = { .flags = IORESOURCE_MEM, }, }; -#define RTC_NUM_RESOURCES sizeof(rtc_resource) / sizeof(struct resource) - static inline unsigned long read_elapsed_second(void) { unsigned long first_low, first_mid, first_high; @@ -686,7 +684,8 @@ static int __devinit vr41xx_rtc_init(void) break; } - rtc_platform_device = platform_device_register_simple("RTC", -1, rtc_resource, RTC_NUM_RESOURCES); + rtc_platform_device = platform_device_register_simple("RTC", -1, + rtc_resource, ARRAY_SIZE(rtc_resource)); if (IS_ERR(rtc_platform_device)) return PTR_ERR(rtc_platform_device); diff --git a/drivers/char/vt.c b/drivers/char/vt.c index e91268e8683..f1d9cb7feae 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2758,29 +2758,6 @@ static void set_vesa_blanking(char __user *p) vesa_blank_mode = (mode < 4) ? mode : 0; } -/* - * This is called by a timer handler - */ -static void vesa_powerdown(void) -{ - struct vc_data *c = vc_cons[fg_console].d; - /* - * Power down if currently suspended (1 or 2), - * suspend if currently blanked (0), - * else do nothing (i.e. already powered down (3)). - * Called only if powerdown features are allowed. - */ - switch (vesa_blank_mode) { - case VESA_NO_BLANKING: - c->vc_sw->con_blank(c, VESA_VSYNC_SUSPEND+1, 0); - break; - case VESA_VSYNC_SUSPEND: - case VESA_HSYNC_SUSPEND: - c->vc_sw->con_blank(c, VESA_POWERDOWN+1, 0); - break; - } -} - void do_blank_screen(int entering_gfx) { struct vc_data *vc = vc_cons[fg_console].d; @@ -2791,8 +2768,7 @@ void do_blank_screen(int entering_gfx) if (console_blanked) { if (blank_state == blank_vesa_wait) { blank_state = blank_off; - vesa_powerdown(); - + vc->vc_sw->con_blank(vc, vesa_blank_mode + 1, 0); } return; } @@ -2822,7 +2798,7 @@ void do_blank_screen(int entering_gfx) save_screen(vc); /* In case we need to reset origin, blanking hook returns 1 */ - i = vc->vc_sw->con_blank(vc, 1, 0); + i = vc->vc_sw->con_blank(vc, vesa_off_interval ? 1 : (vesa_blank_mode + 1), 0); console_blanked = fg_console + 1; if (i) set_origin(vc); @@ -2830,13 +2806,10 @@ void do_blank_screen(int entering_gfx) if (console_blank_hook && console_blank_hook(1)) return; - if (vesa_off_interval) { + if (vesa_off_interval && vesa_blank_mode) { blank_state = blank_vesa_wait; mod_timer(&console_timer, jiffies + vesa_off_interval); } - - if (vesa_blank_mode) - vc->vc_sw->con_blank(vc, vesa_blank_mode + 1, 0); } EXPORT_SYMBOL(do_blank_screen); diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig index a6544790af6..c0dfcf273f0 100644 --- a/drivers/char/watchdog/Kconfig +++ b/drivers/char/watchdog/Kconfig @@ -395,12 +395,38 @@ config MACHZ_WDT To compile this driver as a module, choose M here: the module will be called machzwd. +config SBC_EPX_C3_WATCHDOG + tristate "Winsystems SBC EPX-C3 watchdog" + depends on WATCHDOG && X86 + ---help--- + This is the driver for the built-in watchdog timer on the EPX-C3 + Single-board computer made by Winsystems, Inc. + + *Note*: This hardware watchdog is not probeable and thus there + is no way to know if writing to its IO address will corrupt + your system or have any real effect. The only way to be sure + that this driver does what you want is to make sure you + are runnning it on an EPX-C3 from Winsystems with the watchdog + timer at IO address 0x1ee and 0x1ef. It will write to both those + IO ports. Basically, the assumption is made that if you compile + this driver into your kernel and/or load it as a module, that you + know what you are doing and that you are in fact running on an + EPX-C3 board! + + To compile this driver as a module, choose M here: the + module will be called sbc_epx_c3. + + # PowerPC Architecture config 8xx_WDT tristate "MPC8xx Watchdog Timer" depends on WATCHDOG && 8xx +config 83xx_WDT + tristate "MPC83xx Watchdog Timer" + depends on WATCHDOG && PPC_83xx + config MV64X60_WDT tristate "MV64X60 (Marvell Discovery) Watchdog Timer" depends on WATCHDOG && MV64X60 diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile index cfd0a398771..36c0b282b8b 100644 --- a/drivers/char/watchdog/Makefile +++ b/drivers/char/watchdog/Makefile @@ -52,9 +52,11 @@ obj-$(CONFIG_W83627HF_WDT) += w83627hf_wdt.o obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o obj-$(CONFIG_W83977F_WDT) += w83977f_wdt.o obj-$(CONFIG_MACHZ_WDT) += machzwd.o +obj-$(CONFIG_SBC_EPX_C3_WATCHDOG) += sbc_epx_c3.o # PowerPC Architecture obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o +obj-$(CONFIG_83xx_WDT) += mpc83xx_wdt.o obj-$(CONFIG_MV64X60_WDT) += mv64x60_wdt.o obj-$(CONFIG_BOOKE_WDT) += booke_wdt.o diff --git a/drivers/char/watchdog/cpu5wdt.c b/drivers/char/watchdog/cpu5wdt.c index e75045fe264..3e8410b5a65 100644 --- a/drivers/char/watchdog/cpu5wdt.c +++ b/drivers/char/watchdog/cpu5wdt.c @@ -28,6 +28,7 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/timer.h> +#include <linux/completion.h> #include <linux/jiffies.h> #include <asm/io.h> #include <asm/uaccess.h> @@ -57,7 +58,7 @@ static int ticks = 10000; /* some device data */ static struct { - struct semaphore stop; + struct completion stop; volatile int running; struct timer_list timer; volatile int queue; @@ -85,7 +86,7 @@ static void cpu5wdt_trigger(unsigned long unused) } else { /* ticks doesn't matter anyway */ - up(&cpu5wdt_device.stop); + complete(&cpu5wdt_device.stop); } } @@ -239,7 +240,7 @@ static int __devinit cpu5wdt_init(void) if ( !val ) printk(KERN_INFO PFX "sorry, was my fault\n"); - init_MUTEX_LOCKED(&cpu5wdt_device.stop); + init_completion(&cpu5wdt_device.stop); cpu5wdt_device.queue = 0; clear_bit(0, &cpu5wdt_device.inuse); @@ -269,7 +270,7 @@ static void __devexit cpu5wdt_exit(void) { if ( cpu5wdt_device.queue ) { cpu5wdt_device.queue = 0; - down(&cpu5wdt_device.stop); + wait_for_completion(&cpu5wdt_device.stop); } misc_deregister(&cpu5wdt_misc); diff --git a/drivers/char/watchdog/mpc83xx_wdt.c b/drivers/char/watchdog/mpc83xx_wdt.c new file mode 100644 index 00000000000..5d6f5061603 --- /dev/null +++ b/drivers/char/watchdog/mpc83xx_wdt.c @@ -0,0 +1,229 @@ +/* + * mpc83xx_wdt.c - MPC83xx watchdog userspace interface + * + * Authors: Dave Updegraff <dave@cray.org> + * Kumar Gala <galak@kernel.crashing.org> + * Attribution: from 83xx_wst: Florian Schirmer <jolt@tuxbox.org> + * ..and from sc520_wdt + * + * Note: it appears that you can only actually ENABLE or DISABLE the thing + * once after POR. Once enabled, you cannot disable, and vice versa. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/config.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/watchdog.h> +#include <asm/io.h> +#include <asm/uaccess.h> + +struct mpc83xx_wdt { + __be32 res0; + __be32 swcrr; /* System watchdog control register */ +#define SWCRR_SWTC 0xFFFF0000 /* Software Watchdog Time Count. */ +#define SWCRR_SWEN 0x00000004 /* Watchdog Enable bit. */ +#define SWCRR_SWRI 0x00000002 /* Software Watchdog Reset/Interrupt Select bit.*/ +#define SWCRR_SWPR 0x00000001 /* Software Watchdog Counter Prescale bit. */ + __be32 swcnr; /* System watchdog count register */ + u8 res1[2]; + __be16 swsrr; /* System watchdog service register */ + u8 res2[0xF0]; +}; + +static struct mpc83xx_wdt __iomem *wd_base; + +static u16 timeout = 0xffff; +module_param(timeout, ushort, 0); +MODULE_PARM_DESC(timeout, "Watchdog timeout in ticks. (0<timeout<65536, default=65535"); + +static int reset = 1; +module_param(reset, bool, 0); +MODULE_PARM_DESC(reset, "Watchdog Interrupt/Reset Mode. 0 = interrupt, 1 = reset"); + +/* + * We always prescale, but if someone really doesn't want to they can set this + * to 0 + */ +static int prescale = 1; +static unsigned int timeout_sec; + +static unsigned long wdt_is_open; +static spinlock_t wdt_spinlock; + +static void mpc83xx_wdt_keepalive(void) +{ + /* Ping the WDT */ + spin_lock(&wdt_spinlock); + out_be16(&wd_base->swsrr, 0x556c); + out_be16(&wd_base->swsrr, 0xaa39); + spin_unlock(&wdt_spinlock); +} + +static ssize_t mpc83xx_wdt_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + if (count) + mpc83xx_wdt_keepalive(); + return count; +} + +static int mpc83xx_wdt_open(struct inode *inode, struct file *file) +{ + u32 tmp = SWCRR_SWEN; + if (test_and_set_bit(0, &wdt_is_open)) + return -EBUSY; + + /* Once we start the watchdog we can't stop it */ + __module_get(THIS_MODULE); + + /* Good, fire up the show */ + if (prescale) + tmp |= SWCRR_SWPR; + if (reset) + tmp |= SWCRR_SWRI; + + tmp |= timeout << 16; + + out_be32(&wd_base->swcrr, tmp); + + return nonseekable_open(inode, file); +} + +static int mpc83xx_wdt_release(struct inode *inode, struct file *file) +{ + printk(KERN_CRIT "Unexpected close, not stopping watchdog!\n"); + mpc83xx_wdt_keepalive(); + clear_bit(0, &wdt_is_open); + return 0; +} + +static int mpc83xx_wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int __user *p = argp; + static struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING, + .firmware_version = 1, + .identity = "MPC83xx", + }; + + switch (cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0; + case WDIOC_KEEPALIVE: + mpc83xx_wdt_keepalive(); + return 0; + case WDIOC_GETTIMEOUT: + return put_user(timeout_sec, p); + default: + return -ENOIOCTLCMD; + } +} + +static struct file_operations mpc83xx_wdt_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = mpc83xx_wdt_write, + .ioctl = mpc83xx_wdt_ioctl, + .open = mpc83xx_wdt_open, + .release = mpc83xx_wdt_release, +}; + +static struct miscdevice mpc83xx_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &mpc83xx_wdt_fops, +}; + +static int __devinit mpc83xx_wdt_probe(struct platform_device *dev) +{ + struct resource *r; + int ret; + unsigned int *freq = dev->dev.platform_data; + + /* get a pointer to the register memory */ + r = platform_get_resource(dev, IORESOURCE_MEM, 0); + + if (!r) { + ret = -ENODEV; + goto err_out; + } + + wd_base = ioremap(r->start, sizeof (struct mpc83xx_wdt)); + + if (wd_base == NULL) { + ret = -ENOMEM; + goto err_out; + } + + ret = misc_register(&mpc83xx_wdt_miscdev); + if (ret) { + printk(KERN_ERR "cannot register miscdev on minor=%d " + "(err=%d)\n", + WATCHDOG_MINOR, ret); + goto err_unmap; + } + + /* Calculate the timeout in seconds */ + if (prescale) + timeout_sec = (timeout * 0x10000) / (*freq); + else + timeout_sec = timeout / (*freq); + + printk(KERN_INFO "WDT driver for MPC83xx initialized. " + "mode:%s timeout=%d (%d seconds)\n", + reset ? "reset":"interrupt", timeout, timeout_sec); + + spin_lock_init(&wdt_spinlock); + + return 0; + +err_unmap: + iounmap(wd_base); +err_out: + return ret; +} + +static int __devexit mpc83xx_wdt_remove(struct platform_device *dev) +{ + misc_deregister(&mpc83xx_wdt_miscdev); + iounmap(wd_base); + + return 0; +} + +static struct platform_driver mpc83xx_wdt_driver = { + .probe = mpc83xx_wdt_probe, + .remove = __devexit_p(mpc83xx_wdt_remove), + .driver = { + .name = "mpc83xx_wdt", + }, +}; + +static int __init mpc83xx_wdt_init(void) +{ + return platform_driver_register(&mpc83xx_wdt_driver); +} + +static void __exit mpc83xx_wdt_exit(void) +{ + platform_driver_unregister(&mpc83xx_wdt_driver); +} + +module_init(mpc83xx_wdt_init); +module_exit(mpc83xx_wdt_exit); + +MODULE_AUTHOR("Dave Updegraff, Kumar Gala"); +MODULE_DESCRIPTION("Driver for watchdog timer in MPC83xx uProcessor"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/char/watchdog/mpc8xx_wdt.c b/drivers/char/watchdog/mpc8xx_wdt.c index 56d62ba7c6c..b2fc71e2085 100644 --- a/drivers/char/watchdog/mpc8xx_wdt.c +++ b/drivers/char/watchdog/mpc8xx_wdt.c @@ -18,6 +18,7 @@ #include <linux/watchdog.h> #include <asm/8xx_immap.h> #include <asm/uaccess.h> +#include <asm/io.h> #include <syslib/m8xx_wdt.h> static unsigned long wdt_opened; @@ -25,18 +26,26 @@ static int wdt_status; static void mpc8xx_wdt_handler_disable(void) { - volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR; + volatile uint __iomem *piscr; + piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr; - imap->im_sit.sit_piscr &= ~(PISCR_PIE | PISCR_PTE); + if (!m8xx_has_internal_rtc) + m8xx_wdt_stop_timer(); + else + out_be32(piscr, in_be32(piscr) & ~(PISCR_PIE | PISCR_PTE)); printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler deactivated\n"); } static void mpc8xx_wdt_handler_enable(void) { - volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR; + volatile uint __iomem *piscr; + piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr; - imap->im_sit.sit_piscr |= PISCR_PIE | PISCR_PTE; + if (!m8xx_has_internal_rtc) + m8xx_wdt_install_timer(); + else + out_be32(piscr, in_be32(piscr) | PISCR_PIE | PISCR_PTE); printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler activated\n"); } @@ -68,9 +77,6 @@ static int mpc8xx_wdt_release(struct inode *inode, struct file *file) static ssize_t mpc8xx_wdt_write(struct file *file, const char *data, size_t len, loff_t * ppos) { - if (ppos != &file->f_pos) - return -ESPIPE; - if (len) m8xx_wdt_reset(); diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c index eb667daee19..9dc54736e4e 100644 --- a/drivers/char/watchdog/s3c2410_wdt.c +++ b/drivers/char/watchdog/s3c2410_wdt.c @@ -46,12 +46,12 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/interrupt.h> +#include <linux/clk.h> #include <asm/uaccess.h> #include <asm/io.h> #include <asm/arch/map.h> -#include <asm/hardware/clock.h> #undef S3C24XX_VA_WATCHDOG #define S3C24XX_VA_WATCHDOG (0) @@ -397,7 +397,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev) return -ENOENT; } - clk_use(wdt_clock); clk_enable(wdt_clock); /* see if we can actually set the requested timer margin, and if @@ -444,7 +443,6 @@ static int s3c2410wdt_remove(struct platform_device *dev) if (wdt_clock != NULL) { clk_disable(wdt_clock); - clk_unuse(wdt_clock); clk_put(wdt_clock); wdt_clock = NULL; } diff --git a/drivers/char/watchdog/sa1100_wdt.c b/drivers/char/watchdog/sa1100_wdt.c index fb88b4041dc..b474ea52d6e 100644 --- a/drivers/char/watchdog/sa1100_wdt.c +++ b/drivers/char/watchdog/sa1100_wdt.c @@ -74,7 +74,7 @@ static int sa1100dog_release(struct inode *inode, struct file *file) return 0; } -static ssize_t sa1100dog_write(struct file *file, const char *data, size_t len, loff_t *ppos) +static ssize_t sa1100dog_write(struct file *file, const char __user *data, size_t len, loff_t *ppos) { if (len) /* Refresh OSMR3 timer. */ @@ -96,20 +96,20 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file, switch (cmd) { case WDIOC_GETSUPPORT: - ret = copy_to_user((struct watchdog_info *)arg, &ident, + ret = copy_to_user((struct watchdog_info __user *)arg, &ident, sizeof(ident)) ? -EFAULT : 0; break; case WDIOC_GETSTATUS: - ret = put_user(0, (int *)arg); + ret = put_user(0, (int __user *)arg); break; case WDIOC_GETBOOTSTATUS: - ret = put_user(boot_status, (int *)arg); + ret = put_user(boot_status, (int __user *)arg); break; case WDIOC_SETTIMEOUT: - ret = get_user(time, (int *)arg); + ret = get_user(time, (int __user *)arg); if (ret) break; @@ -123,7 +123,7 @@ static int sa1100dog_ioctl(struct inode *inode, struct file *file, /*fall through*/ case WDIOC_GETTIMEOUT: - ret = put_user(pre_margin / OSCR_FREQ, (int *)arg); + ret = put_user(pre_margin / OSCR_FREQ, (int __user *)arg); break; case WDIOC_KEEPALIVE: diff --git a/drivers/char/watchdog/sbc_epx_c3.c b/drivers/char/watchdog/sbc_epx_c3.c new file mode 100644 index 00000000000..951764614eb --- /dev/null +++ b/drivers/char/watchdog/sbc_epx_c3.c @@ -0,0 +1,216 @@ +/* + * SBC EPX C3 0.1 A Hardware Watchdog Device for the Winsystems EPX-C3 + * single board computer + * + * (c) Copyright 2006 Calin A. Culianu <calin@ajvar.org>, All Rights + * Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * based on softdog.c by Alan Cox <alan@redhat.com> + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/config.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/miscdevice.h> +#include <linux/watchdog.h> +#include <linux/notifier.h> +#include <linux/reboot.h> +#include <linux/init.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#define PFX "epx_c3: " +static int epx_c3_alive; + +#define WATCHDOG_TIMEOUT 1 /* 1 sec default timeout */ + +static int nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, int, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"); + +#define EPXC3_WATCHDOG_CTL_REG 0x1ee /* write 1 to enable, 0 to disable */ +#define EPXC3_WATCHDOG_PET_REG 0x1ef /* write anything to pet once enabled */ + +static void epx_c3_start(void) +{ + outb(1, EPXC3_WATCHDOG_CTL_REG); +} + +static void epx_c3_stop(void) +{ + + outb(0, EPXC3_WATCHDOG_CTL_REG); + + printk(KERN_INFO PFX "Stopped watchdog timer.\n"); +} + +static void epx_c3_pet(void) +{ + outb(1, EPXC3_WATCHDOG_PET_REG); +} + +/* + * Allow only one person to hold it open + */ +static int epx_c3_open(struct inode *inode, struct file *file) +{ + if (epx_c3_alive) + return -EBUSY; + + if (nowayout) + __module_get(THIS_MODULE); + + /* Activate timer */ + epx_c3_start(); + epx_c3_pet(); + + epx_c3_alive = 1; + printk(KERN_INFO "Started watchdog timer.\n"); + + return nonseekable_open(inode, file); +} + +static int epx_c3_release(struct inode *inode, struct file *file) +{ + /* Shut off the timer. + * Lock it in if it's a module and we defined ...NOWAYOUT */ + if (!nowayout) + epx_c3_stop(); /* Turn the WDT off */ + + epx_c3_alive = 0; + + return 0; +} + +static ssize_t epx_c3_write(struct file *file, const char *data, + size_t len, loff_t *ppos) +{ + /* Refresh the timer. */ + if (len) + epx_c3_pet(); + return len; +} + +static int epx_c3_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + int options, retval = -EINVAL; + static struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING | + WDIOF_MAGICCLOSE, + .firmware_version = 0, + .identity = "Winsystems EPX-C3 H/W Watchdog", + }; + + switch (cmd) { + case WDIOC_GETSUPPORT: + if (copy_to_user((struct watchdog_info *)arg, + &ident, sizeof(ident))) + return -EFAULT; + return 0; + case WDIOC_GETSTATUS: + case WDIOC_GETBOOTSTATUS: + return put_user(0,(int *)arg); + case WDIOC_KEEPALIVE: + epx_c3_pet(); + return 0; + case WDIOC_GETTIMEOUT: + return put_user(WATCHDOG_TIMEOUT,(int *)arg); + case WDIOC_SETOPTIONS: { + if (get_user(options, (int *)arg)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) { + epx_c3_stop(); + retval = 0; + } + + if (options & WDIOS_ENABLECARD) { + epx_c3_start(); + retval = 0; + } + + return retval; + } + default: + return -ENOIOCTLCMD; + } +} + +static int epx_c3_notify_sys(struct notifier_block *this, unsigned long code, + void *unused) +{ + if (code == SYS_DOWN || code == SYS_HALT) + epx_c3_stop(); /* Turn the WDT off */ + + return NOTIFY_DONE; +} + +static struct file_operations epx_c3_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .write = epx_c3_write, + .ioctl = epx_c3_ioctl, + .open = epx_c3_open, + .release = epx_c3_release, +}; + +static struct miscdevice epx_c3_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &epx_c3_fops, +}; + +static struct notifier_block epx_c3_notifier = { + .notifier_call = epx_c3_notify_sys, +}; + +static const char banner[] __initdata = + KERN_INFO PFX "Hardware Watchdog Timer for Winsystems EPX-C3 SBC: 0.1\n"; + +static int __init watchdog_init(void) +{ + int ret; + + ret = register_reboot_notifier(&epx_c3_notifier); + if (ret) { + printk(KERN_ERR PFX "cannot register reboot notifier " + "(err=%d)\n", ret); + return ret; + } + + ret = misc_register(&epx_c3_miscdev); + if (ret) { + printk(KERN_ERR PFX "cannot register miscdev on minor=%d " + "(err=%d)\n", WATCHDOG_MINOR, ret); + unregister_reboot_notifier(&epx_c3_notifier); + return ret; + } + + printk(banner); + + return 0; +} + +static void __exit watchdog_exit(void) +{ + misc_deregister(&epx_c3_miscdev); + unregister_reboot_notifier(&epx_c3_notifier); +} + +module_init(watchdog_init); +module_exit(watchdog_exit); + +MODULE_AUTHOR("Calin A. Culianu <calin@ajvar.org>"); +MODULE_DESCRIPTION("Hardware Watchdog Device for Winsystems EPX-C3 SBC. Note that there is no way to probe for this device -- so only use it if you are *sure* you are runnning on this specific SBC system from Winsystems! It writes to IO ports 0x1ee and 0x1ef!"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/drivers/char/watchdog/wdt977.c b/drivers/char/watchdog/wdt977.c index 44d49dfacbb..3843900e94c 100644 --- a/drivers/char/watchdog/wdt977.c +++ b/drivers/char/watchdog/wdt977.c @@ -1,5 +1,5 @@ /* - * Wdt977 0.03: A Watchdog Device for Netwinder W83977AF chip + * Wdt977 0.04: A Watchdog Device for Netwinder W83977AF chip * * (c) Copyright 1998 Rebel.com (Woody Suwalski <woody@netwinder.org>) * @@ -18,6 +18,8 @@ * from minutes to seconds. * 07-Jul-2003 Daniele Bellucci: Audit return code of misc_register in * nwwatchdog_init. + * 25-Oct-2005 Woody Suwalski: Convert addresses to #defs, add spinlocks + * remove limitiation to be used on Netwinders only */ #include <linux/module.h> @@ -28,6 +30,7 @@ #include <linux/fs.h> #include <linux/miscdevice.h> #include <linux/init.h> +#include <linux/ioport.h> #include <linux/watchdog.h> #include <linux/notifier.h> #include <linux/reboot.h> @@ -37,8 +40,18 @@ #include <asm/mach-types.h> #include <asm/uaccess.h> -#define PFX "Wdt977: " -#define WATCHDOG_MINOR 130 +#define WATCHDOG_VERSION "0.04" +#define WATCHDOG_NAME "Wdt977" +#define PFX WATCHDOG_NAME ": " +#define DRIVER_VERSION WATCHDOG_NAME " driver, v" WATCHDOG_VERSION "\n" + +#define IO_INDEX_PORT 0x370 /* on some systems it can be 0x3F0 */ +#define IO_DATA_PORT (IO_INDEX_PORT+1) + +#define UNLOCK_DATA 0x87 +#define LOCK_DATA 0xAA +#define DEVICE_REGISTER 0x07 + #define DEFAULT_TIMEOUT 60 /* default timeout in seconds */ @@ -47,6 +60,7 @@ static int timeoutM; /* timeout in minutes */ static unsigned long timer_alive; static int testmode; static char expect_close; +static spinlock_t spinlock; module_param(timeout, int, 0); MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (60..15300), default=" __MODULE_STRING(DEFAULT_TIMEOUT) ")"); @@ -63,9 +77,13 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CON static int wdt977_start(void) { + unsigned long flags; + + spin_lock_irqsave(&spinlock, flags); + /* unlock the SuperIO chip */ - outb(0x87,0x370); - outb(0x87,0x370); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); /* select device Aux2 (device=8) and set watchdog regs F2, F3 and F4 * F2 has the timeout in minutes @@ -73,28 +91,29 @@ static int wdt977_start(void) * at timeout, and to reset timer on kbd/mouse activity (not impl.) * F4 is used to just clear the TIMEOUT'ed state (bit 0) */ - outb(0x07,0x370); - outb(0x08,0x371); - outb(0xF2,0x370); - outb(timeoutM,0x371); - outb(0xF3,0x370); - outb(0x00,0x371); /* another setting is 0E for kbd/mouse/LED */ - outb(0xF4,0x370); - outb(0x00,0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); + outb_p(0xF2, IO_INDEX_PORT); + outb_p(timeoutM, IO_DATA_PORT); + outb_p(0xF3, IO_INDEX_PORT); + outb_p(0x00, IO_DATA_PORT); /* another setting is 0E for kbd/mouse/LED */ + outb_p(0xF4, IO_INDEX_PORT); + outb_p(0x00, IO_DATA_PORT); /* at last select device Aux1 (dev=7) and set GP16 as a watchdog output */ /* in test mode watch the bit 1 on F4 to indicate "triggered" */ if (!testmode) { - outb(0x07,0x370); - outb(0x07,0x371); - outb(0xE6,0x370); - outb(0x08,0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x07, IO_DATA_PORT); + outb_p(0xE6, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); } /* lock the SuperIO chip */ - outb(0xAA,0x370); + outb_p(LOCK_DATA, IO_INDEX_PORT); + spin_unlock_irqrestore(&spinlock, flags); printk(KERN_INFO PFX "activated.\n"); return 0; @@ -106,35 +125,39 @@ static int wdt977_start(void) static int wdt977_stop(void) { + unsigned long flags; + spin_lock_irqsave(&spinlock, flags); + /* unlock the SuperIO chip */ - outb(0x87,0x370); - outb(0x87,0x370); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); /* select device Aux2 (device=8) and set watchdog regs F2,F3 and F4 * F3 is reset to its default state * F4 can clear the TIMEOUT'ed state (bit 0) - back to default * We can not use GP17 as a PowerLed, as we use its usage as a RedLed */ - outb(0x07,0x370); - outb(0x08,0x371); - outb(0xF2,0x370); - outb(0xFF,0x371); - outb(0xF3,0x370); - outb(0x00,0x371); - outb(0xF4,0x370); - outb(0x00,0x371); - outb(0xF2,0x370); - outb(0x00,0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); + outb_p(0xF2, IO_INDEX_PORT); + outb_p(0xFF, IO_DATA_PORT); + outb_p(0xF3, IO_INDEX_PORT); + outb_p(0x00, IO_DATA_PORT); + outb_p(0xF4, IO_INDEX_PORT); + outb_p(0x00, IO_DATA_PORT); + outb_p(0xF2, IO_INDEX_PORT); + outb_p(0x00, IO_DATA_PORT); /* at last select device Aux1 (dev=7) and set GP16 as a watchdog output */ - outb(0x07,0x370); - outb(0x07,0x371); - outb(0xE6,0x370); - outb(0x08,0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x07, IO_DATA_PORT); + outb_p(0xE6, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); /* lock the SuperIO chip */ - outb(0xAA,0x370); + outb_p(LOCK_DATA, IO_INDEX_PORT); + spin_unlock_irqrestore(&spinlock, flags); printk(KERN_INFO PFX "shutdown.\n"); return 0; @@ -147,19 +170,23 @@ static int wdt977_stop(void) static int wdt977_keepalive(void) { + unsigned long flags; + spin_lock_irqsave(&spinlock, flags); + /* unlock the SuperIO chip */ - outb(0x87,0x370); - outb(0x87,0x370); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); /* select device Aux2 (device=8) and kicks watchdog reg F2 */ /* F2 has the timeout in minutes */ - outb(0x07,0x370); - outb(0x08,0x371); - outb(0xF2,0x370); - outb(timeoutM,0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); + outb_p(0xF2, IO_INDEX_PORT); + outb_p(timeoutM, IO_DATA_PORT); /* lock the SuperIO chip */ - outb(0xAA,0x370); + outb_p(LOCK_DATA, IO_INDEX_PORT); + spin_unlock_irqrestore(&spinlock, flags); return 0; } @@ -198,22 +225,26 @@ static int wdt977_set_timeout(int t) static int wdt977_get_status(int *status) { int new_status; + unsigned long flags; - *status=0; + spin_lock_irqsave(&spinlock, flags); /* unlock the SuperIO chip */ - outb(0x87,0x370); - outb(0x87,0x370); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); + outb_p(UNLOCK_DATA, IO_INDEX_PORT); /* select device Aux2 (device=8) and read watchdog reg F4 */ - outb(0x07,0x370); - outb(0x08,0x371); - outb(0xF4,0x370); - new_status = inb(0x371); + outb_p(DEVICE_REGISTER, IO_INDEX_PORT); + outb_p(0x08, IO_DATA_PORT); + outb_p(0xF4, IO_INDEX_PORT); + new_status = inb_p(IO_DATA_PORT); /* lock the SuperIO chip */ - outb(0xAA,0x370); + outb_p(LOCK_DATA, IO_INDEX_PORT); + spin_unlock_irqrestore(&spinlock, flags); + + *status=0; if (new_status & 1) *status |= WDIOF_CARDRESET; @@ -249,8 +280,8 @@ static int wdt977_release(struct inode *inode, struct file *file) wdt977_stop(); clear_bit(0,&timer_alive); } else { - printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); wdt977_keepalive(); + printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); } expect_close = 0; return 0; @@ -271,14 +302,17 @@ static int wdt977_release(struct inode *inode, struct file *file) static ssize_t wdt977_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - if (count) { - if (!nowayout) { + if (count) + { + if (!nowayout) + { size_t i; /* In case it was set long ago */ expect_close = 0; - for (i = 0; i != count; i++) { + for (i = 0; i != count; i++) + { char c; if (get_user(c, buf + i)) return -EFAULT; @@ -287,6 +321,7 @@ static ssize_t wdt977_write(struct file *file, const char __user *buf, } } + /* someone wrote to us, we should restart timer */ wdt977_keepalive(); } return count; @@ -308,7 +343,7 @@ static struct watchdog_info ident = { WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING, .firmware_version = 1, - .identity = "Winbond 83977", + .identity = WATCHDOG_NAME, }; static int wdt977_ioctl(struct inode *inode, struct file *file, @@ -405,50 +440,81 @@ static struct notifier_block wdt977_notifier = { .notifier_call = wdt977_notify_sys, }; -static int __init nwwatchdog_init(void) +static int __init wd977_init(void) { - int retval; - if (!machine_is_netwinder()) - return -ENODEV; + int rc; + + //if (!machine_is_netwinder()) + // return -ENODEV; + + printk(KERN_INFO PFX DRIVER_VERSION); + + spin_lock_init(&spinlock); /* Check that the timeout value is within it's range ; if not reset to the default */ - if (wdt977_set_timeout(timeout)) { + if (wdt977_set_timeout(timeout)) + { wdt977_set_timeout(DEFAULT_TIMEOUT); printk(KERN_INFO PFX "timeout value must be 60<timeout<15300, using %d\n", DEFAULT_TIMEOUT); } - retval = register_reboot_notifier(&wdt977_notifier); - if (retval) { - printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", - retval); - return retval; + /* on Netwinder the IOports are already reserved by + * arch/arm/mach-footbridge/netwinder-hw.c + */ + if (!machine_is_netwinder()) + { + if (!request_region(IO_INDEX_PORT, 2, WATCHDOG_NAME)) + { + printk(KERN_ERR PFX "I/O address 0x%04x already in use\n", + IO_INDEX_PORT); + rc = -EIO; + goto err_out; + } } - retval = misc_register(&wdt977_miscdev); - if (retval) { + rc = misc_register(&wdt977_miscdev); + if (rc) + { printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", - WATCHDOG_MINOR, retval); - unregister_reboot_notifier(&wdt977_notifier); - return retval; + wdt977_miscdev.minor, rc); + goto err_out_region; + } + + rc = register_reboot_notifier(&wdt977_notifier); + if (rc) + { + printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", + rc); + goto err_out_miscdev; } - printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d, testmode = %i)\n", + printk(KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d, testmode=%i)\n", timeout, nowayout, testmode); return 0; + +err_out_miscdev: + misc_deregister(&wdt977_miscdev); +err_out_region: + if (!machine_is_netwinder()) + release_region(IO_INDEX_PORT,2); +err_out: + return rc; } -static void __exit nwwatchdog_exit(void) +static void __exit wd977_exit(void) { + wdt977_stop(); misc_deregister(&wdt977_miscdev); unregister_reboot_notifier(&wdt977_notifier); + release_region(IO_INDEX_PORT,2); } -module_init(nwwatchdog_init); -module_exit(nwwatchdog_exit); +module_init(wd977_init); +module_exit(wd977_exit); -MODULE_AUTHOR("Woody Suwalski <woody@netwinder.org>"); +MODULE_AUTHOR("Woody Suwalski <woodys@xandros.com>"); MODULE_DESCRIPTION("W83977AF Watchdog driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); |