diff options
Diffstat (limited to 'drivers/parport')
| -rw-r--r-- | drivers/parport/Kconfig | 19 | ||||
| -rw-r--r-- | drivers/parport/Makefile | 3 | ||||
| -rw-r--r-- | drivers/parport/daisy.c | 2 | ||||
| -rw-r--r-- | drivers/parport/ieee1284.c | 1 | ||||
| -rw-r--r-- | drivers/parport/ieee1284_ops.c | 1 | ||||
| -rw-r--r-- | drivers/parport/parport_arc.c | 139 | ||||
| -rw-r--r-- | drivers/parport/parport_ax88796.c | 443 | ||||
| -rw-r--r-- | drivers/parport/parport_gsc.c | 2 | ||||
| -rw-r--r-- | drivers/parport/parport_gsc.h | 2 | ||||
| -rw-r--r-- | drivers/parport/parport_mfc3.c | 2 | ||||
| -rw-r--r-- | drivers/parport/parport_pc.c | 3 | ||||
| -rw-r--r-- | drivers/parport/parport_sunbpp.c | 136 | ||||
| -rw-r--r-- | drivers/parport/procfs.c | 3 | ||||
| -rw-r--r-- | drivers/parport/share.c | 3 |
14 files changed, 536 insertions, 223 deletions
diff --git a/drivers/parport/Kconfig b/drivers/parport/Kconfig index f63c387976c..c7fa28a28b9 100644 --- a/drivers/parport/Kconfig +++ b/drivers/parport/Kconfig @@ -48,7 +48,7 @@ config PARPORT_PC config PARPORT_SERIAL tristate "Multi-IO cards (parallel and serial)" - depends on SERIAL_8250 && PARPORT_PC && PCI + depends on SERIAL_8250_PCI && PARPORT_PC && PCI help This adds support for multi-IO PCI cards that have parallel and serial ports. You should say Y or M here. If you say M, the module @@ -85,11 +85,6 @@ config PARPORT_PC_PCMCIA config PARPORT_NOT_PC bool -config PARPORT_ARC - tristate "Archimedes hardware" - depends on ARM && PARPORT - select PARPORT_NOT_PC - config PARPORT_IP32 tristate "SGI IP32 builtin port (EXPERIMENTAL)" depends on SGI_IP32 && PARPORT && EXPERIMENTAL @@ -141,6 +136,18 @@ config PARPORT_SUNBPP found on many Sun machines. Note that many of the newer Ultras actually have pc style hardware instead. +config PARPORT_AX88796 + tristate "AX88796 Parallel Port" + depends on PARPORT + select PARPORT_NOT_PC + help + Say Y here if you need support for the parallel port hardware on + the AX88796 network controller chip. This code is also available + as a module (say M), called parport_ax88796. + + The driver is not dependant on the AX88796 network driver, and + should not interfere with the networking functions of the chip. + config PARPORT_1284 bool "IEEE 1284 transfer modes" depends on PARPORT diff --git a/drivers/parport/Makefile b/drivers/parport/Makefile index a19de35f8de..696b8d4ca88 100644 --- a/drivers/parport/Makefile +++ b/drivers/parport/Makefile @@ -17,4 +17,5 @@ obj-$(CONFIG_PARPORT_MFC3) += parport_mfc3.o obj-$(CONFIG_PARPORT_ATARI) += parport_atari.o obj-$(CONFIG_PARPORT_SUNBPP) += parport_sunbpp.o obj-$(CONFIG_PARPORT_GSC) += parport_gsc.o -obj-$(CONFIG_PARPORT_IP32) += parport_ip32.o +obj-$(CONFIG_PARPORT_AX88796) += parport_ax88796.o +obj-$(CONFIG_PARPORT_IP32) += parport_ip32.o
\ No newline at end of file diff --git a/drivers/parport/daisy.c b/drivers/parport/daisy.c index 9ee67321b63..fd41e28101e 100644 --- a/drivers/parport/daisy.c +++ b/drivers/parport/daisy.c @@ -283,7 +283,7 @@ void parport_close (struct pardevice *dev) * * This tries to locate a device on the given parallel port, * multiplexor port and daisy chain address, and returns its - * device number or -NXIO if no device with those coordinates + * device number or %-ENXIO if no device with those coordinates * exists. **/ diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c index 690b239ad3a..7ff09f0f858 100644 --- a/drivers/parport/ieee1284.c +++ b/drivers/parport/ieee1284.c @@ -16,7 +16,6 @@ * Various hacks, Fred Barnes <frmb2@ukc.ac.uk>, 04/2000 */ -#include <linux/config.h> #include <linux/module.h> #include <linux/threads.h> #include <linux/parport.h> diff --git a/drivers/parport/ieee1284_ops.c b/drivers/parport/ieee1284_ops.c index d6c77658231..525312f2fe9 100644 --- a/drivers/parport/ieee1284_ops.c +++ b/drivers/parport/ieee1284_ops.c @@ -14,7 +14,6 @@ */ -#include <linux/config.h> #include <linux/module.h> #include <linux/parport.h> #include <linux/delay.h> diff --git a/drivers/parport/parport_arc.c b/drivers/parport/parport_arc.c deleted file mode 100644 index b35bb4f48d6..00000000000 --- a/drivers/parport/parport_arc.c +++ /dev/null @@ -1,139 +0,0 @@ -/* Low-level parallel port routines for Archimedes onboard hardware - * - * Author: Phil Blundell <philb@gnu.org> - */ - -/* This driver is for the parallel port hardware found on Acorn's old - * range of Archimedes machines. The A5000 and newer systems have PC-style - * I/O hardware and should use the parport_pc driver instead. - * - * The Acorn printer port hardware is very simple. There is a single 8-bit - * write-only latch for the data port and control/status bits are handled - * with various auxilliary input and output lines. The port is not - * bidirectional, does not support any modes other than SPP, and has only - * a subset of the standard printer control lines connected. - */ - -#include <linux/threads.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/parport.h> - -#include <asm/ptrace.h> -#include <asm/io.h> -#include <asm/arch/oldlatches.h> -#include <asm/arch/irqs.h> - -#define DATA_ADDRESS 0x3350010 - -/* This is equivalent to the above and only used for request_region. */ -#define PORT_BASE 0x80000000 | ((DATA_ADDRESS - IO_BASE) >> 2) - -/* The hardware can't read from the data latch, so we must use a soft - copy. */ -static unsigned char data_copy; - -/* These are pretty simple. We know the irq is never shared and the - kernel does all the magic that's required. */ -static void arc_enable_irq(struct parport *p) -{ - enable_irq(p->irq); -} - -static void arc_disable_irq(struct parport *p) -{ - disable_irq(p->irq); -} - -static void arc_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - parport_generic_irq(irq, (struct parport *) dev_id, regs); -} - -static void arc_write_data(struct parport *p, unsigned char data) -{ - data_copy = data; - outb_t(data, DATA_LATCH); -} - -static unsigned char arc_read_data(struct parport *p) -{ - return data_copy; -} - -static struct parport_operations parport_arc_ops = -{ - .write_data = arc_write_data, - .read_data = arc_read_data, - - .write_control = arc_write_control, - .read_control = arc_read_control, - .frob_control = arc_frob_control, - - .read_status = arc_read_status, - - .enable_irq = arc_enable_irq, - .disable_irq = arc_disable_irq, - - .data_forward = arc_data_forward, - .data_reverse = arc_data_reverse, - - .init_state = arc_init_state, - .save_state = arc_save_state, - .restore_state = arc_restore_state, - - .epp_write_data = parport_ieee1284_epp_write_data, - .epp_read_data = parport_ieee1284_epp_read_data, - .epp_write_addr = parport_ieee1284_epp_write_addr, - .epp_read_addr = parport_ieee1284_epp_read_addr, - - .ecp_write_data = parport_ieee1284_ecp_write_data, - .ecp_read_data = parport_ieee1284_ecp_read_data, - .ecp_write_addr = parport_ieee1284_ecp_write_addr, - - .compat_write_data = parport_ieee1284_write_compat, - .nibble_read_data = parport_ieee1284_read_nibble, - .byte_read_data = parport_ieee1284_read_byte, - - .owner = THIS_MODULE, -}; - -/* --- Initialisation code -------------------------------- */ - -static int parport_arc_init(void) -{ - /* Archimedes hardware provides only one port, at a fixed address */ - struct parport *p; - struct resource res; - char *fake_name = "parport probe"); - - res = request_region(PORT_BASE, 1, fake_name); - if (res == NULL) - return 0; - - p = parport_register_port (PORT_BASE, IRQ_PRINTERACK, - PARPORT_DMA_NONE, &parport_arc_ops); - - if (!p) { - release_region(PORT_BASE, 1); - return 0; - } - - p->modes = PARPORT_MODE_ARCSPP; - p->size = 1; - rename_region(res, p->name); - - printk(KERN_INFO "%s: Archimedes on-board port, using irq %d\n", - p->irq); - - /* Tell the high-level drivers about the port. */ - parport_announce_port (p); - - return 1; -} - -module_init(parport_arc_init) diff --git a/drivers/parport/parport_ax88796.c b/drivers/parport/parport_ax88796.c new file mode 100644 index 00000000000..1850632590f --- /dev/null +++ b/drivers/parport/parport_ax88796.c @@ -0,0 +1,443 @@ +/* linux/drivers/parport/parport_ax88796.c + * + * (c) 2005,2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/parport.h> +#include <linux/interrupt.h> +#include <linux/errno.h> +#include <linux/platform_device.h> + +#include <asm/io.h> +#include <asm/irq.h> + +#define AX_SPR_BUSY (1<<7) +#define AX_SPR_ACK (1<<6) +#define AX_SPR_PE (1<<5) +#define AX_SPR_SLCT (1<<4) +#define AX_SPR_ERR (1<<3) + +#define AX_CPR_nDOE (1<<5) +#define AX_CPR_SLCTIN (1<<3) +#define AX_CPR_nINIT (1<<2) +#define AX_CPR_ATFD (1<<1) +#define AX_CPR_STRB (1<<0) + +struct ax_drvdata { + struct parport *parport; + struct parport_state suspend; + + struct device *dev; + struct resource *io; + + unsigned char irq_enabled; + + void __iomem *base; + void __iomem *spp_data; + void __iomem *spp_spr; + void __iomem *spp_cpr; +}; + +static inline struct ax_drvdata *pp_to_drv(struct parport *p) +{ + return p->private_data; +} + +static unsigned char +parport_ax88796_read_data(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + + return readb(dd->spp_data); +} + +static void +parport_ax88796_write_data(struct parport *p, unsigned char data) +{ + struct ax_drvdata *dd = pp_to_drv(p); + + writeb(data, dd->spp_data); +} + +static unsigned char +parport_ax88796_read_control(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned int cpr = readb(dd->spp_cpr); + unsigned int ret = 0; + + if (!(cpr & AX_CPR_STRB)) + ret |= PARPORT_CONTROL_STROBE; + + if (!(cpr & AX_CPR_ATFD)) + ret |= PARPORT_CONTROL_AUTOFD; + + if (cpr & AX_CPR_nINIT) + ret |= PARPORT_CONTROL_INIT; + + if (!(cpr & AX_CPR_SLCTIN)) + ret |= PARPORT_CONTROL_SELECT; + + return ret; +} + +static void +parport_ax88796_write_control(struct parport *p, unsigned char control) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned int cpr = readb(dd->spp_cpr); + + cpr &= AX_CPR_nDOE; + + if (!(control & PARPORT_CONTROL_STROBE)) + cpr |= AX_CPR_STRB; + + if (!(control & PARPORT_CONTROL_AUTOFD)) + cpr |= AX_CPR_ATFD; + + if (control & PARPORT_CONTROL_INIT) + cpr |= AX_CPR_nINIT; + + if (!(control & PARPORT_CONTROL_SELECT)) + cpr |= AX_CPR_SLCTIN; + + dev_dbg(dd->dev, "write_control: ctrl=%02x, cpr=%02x\n", control, cpr); + writeb(cpr, dd->spp_cpr); + + if (parport_ax88796_read_control(p) != control) { + dev_err(dd->dev, "write_control: read != set (%02x, %02x)\n", + parport_ax88796_read_control(p), control); + } +} + +static unsigned char +parport_ax88796_read_status(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned int status = readb(dd->spp_spr); + unsigned int ret = 0; + + if (status & AX_SPR_BUSY) + ret |= PARPORT_STATUS_BUSY; + + if (status & AX_SPR_ACK) + ret |= PARPORT_STATUS_ACK; + + if (status & AX_SPR_ERR) + ret |= PARPORT_STATUS_ERROR; + + if (status & AX_SPR_SLCT) + ret |= PARPORT_STATUS_SELECT; + + if (status & AX_SPR_PE) + ret |= PARPORT_STATUS_PAPEROUT; + + return ret; +} + +static unsigned char +parport_ax88796_frob_control(struct parport *p, unsigned char mask, + unsigned char val) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned char old = parport_ax88796_read_control(p); + + dev_dbg(dd->dev, "frob: mask=%02x, val=%02x, old=%02x\n", + mask, val, old); + + parport_ax88796_write_control(p, (old & ~mask) | val); + return old; +} + +static void +parport_ax88796_enable_irq(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned long flags; + + local_irq_save(flags); + if (!dd->irq_enabled) { + enable_irq(p->irq); + dd->irq_enabled = 1; + } + local_irq_restore(flags); +} + +static void +parport_ax88796_disable_irq(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + unsigned long flags; + + local_irq_save(flags); + if (dd->irq_enabled) { + disable_irq(p->irq); + dd->irq_enabled = 0; + } + local_irq_restore(flags); +} + +static void +parport_ax88796_data_forward(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + void __iomem *cpr = dd->spp_cpr; + + writeb((readb(cpr) & ~AX_CPR_nDOE), cpr); +} + +static void +parport_ax88796_data_reverse(struct parport *p) +{ + struct ax_drvdata *dd = pp_to_drv(p); + void __iomem *cpr = dd->spp_cpr; + + writeb(readb(cpr) | AX_CPR_nDOE, cpr); +} + +static void +parport_ax88796_init_state(struct pardevice *d, struct parport_state *s) +{ + struct ax_drvdata *dd = pp_to_drv(d->port); + + memset(s, 0, sizeof(struct parport_state)); + + dev_dbg(dd->dev, "init_state: %p: state=%p\n", d, s); + s->u.ax88796.cpr = readb(dd->spp_cpr); +} + +static void +parport_ax88796_save_state(struct parport *p, struct parport_state *s) +{ + struct ax_drvdata *dd = pp_to_drv(p); + + dev_dbg(dd->dev, "save_state: %p: state=%p\n", p, s); + s->u.ax88796.cpr = readb(dd->spp_cpr); +} + +static void +parport_ax88796_restore_state(struct parport *p, struct parport_state *s) +{ + struct ax_drvdata *dd = pp_to_drv(p); + + dev_dbg(dd->dev, "restore_state: %p: state=%p\n", p, s); + writeb(s->u.ax88796.cpr, dd->spp_cpr); +} + +static irqreturn_t +parport_ax88796_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + parport_generic_irq(irq, dev_id, regs); + return IRQ_HANDLED; +} + + +static struct parport_operations parport_ax88796_ops = { + .write_data = parport_ax88796_write_data, + .read_data = parport_ax88796_read_data, + + .write_control = parport_ax88796_write_control, + .read_control = parport_ax88796_read_control, + .frob_control = parport_ax88796_frob_control, + + .read_status = parport_ax88796_read_status, + + .enable_irq = parport_ax88796_enable_irq, + .disable_irq = parport_ax88796_disable_irq, + + .data_forward = parport_ax88796_data_forward, + .data_reverse = parport_ax88796_data_reverse, + + .init_state = parport_ax88796_init_state, + .save_state = parport_ax88796_save_state, + .restore_state = parport_ax88796_restore_state, + + .epp_write_data = parport_ieee1284_epp_write_data, + .epp_read_data = parport_ieee1284_epp_read_data, + .epp_write_addr = parport_ieee1284_epp_write_addr, + .epp_read_addr = parport_ieee1284_epp_read_addr, + + .ecp_write_data = parport_ieee1284_ecp_write_data, + .ecp_read_data = parport_ieee1284_ecp_read_data, + .ecp_write_addr = parport_ieee1284_ecp_write_addr, + + .compat_write_data = parport_ieee1284_write_compat, + .nibble_read_data = parport_ieee1284_read_nibble, + .byte_read_data = parport_ieee1284_read_byte, + + .owner = THIS_MODULE, +}; + +static int parport_ax88796_probe(struct platform_device *pdev) +{ + struct device *_dev = &pdev->dev; + struct ax_drvdata *dd; + struct parport *pp = NULL; + struct resource *res; + unsigned long size; + int spacing; + int irq; + int ret; + + dd = kzalloc(sizeof(struct ax_drvdata), GFP_KERNEL); + if (dd == NULL) { + dev_err(_dev, "no memory for private data\n"); + return -ENOMEM; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(_dev, "no MEM specified\n"); + ret = -ENXIO; + goto exit_mem; + } + + size = (res->end - res->start) + 1; + spacing = size / 3; + + dd->io = request_mem_region(res->start, size, pdev->name); + if (dd->io == NULL) { + dev_err(_dev, "cannot reserve memory\n"); + ret = -ENXIO; + goto exit_mem; + } + + dd->base = ioremap(res->start, size); + if (dd->base == NULL) { + dev_err(_dev, "cannot ioremap region\n"); + ret = -ENXIO; + goto exit_res; + } + + irq = platform_get_irq(pdev, 0); + if (irq <= 0) + irq = PARPORT_IRQ_NONE; + + pp = parport_register_port((unsigned long)dd->base, irq, + PARPORT_DMA_NONE, + &parport_ax88796_ops); + + if (pp == NULL) { + dev_err(_dev, "failed to register parallel port\n"); + ret = -ENOMEM; + goto exit_unmap; + } + + pp->private_data = dd; + dd->parport = pp; + dd->dev = _dev; + + dd->spp_data = dd->base; + dd->spp_spr = dd->base + (spacing * 1); + dd->spp_cpr = dd->base + (spacing * 2); + + /* initialise the port controls */ + writeb(AX_CPR_STRB, dd->spp_cpr); + + if (irq >= 0) { + /* request irq */ + ret = request_irq(irq, parport_ax88796_interrupt, + IRQF_TRIGGER_FALLING, pdev->name, pp); + + if (ret < 0) + goto exit_port; + + dd->irq_enabled = 1; + } + + platform_set_drvdata(pdev, pp); + + dev_info(_dev, "attached parallel port driver\n"); + parport_announce_port(pp); + + return 0; + + exit_port: + parport_remove_port(pp); + exit_unmap: + iounmap(dd->base); + exit_res: + release_resource(dd->io); + kfree(dd->io); + exit_mem: + kfree(dd); + return ret; +} + +static int parport_ax88796_remove(struct platform_device *pdev) +{ + struct parport *p = platform_get_drvdata(pdev); + struct ax_drvdata *dd = pp_to_drv(p); + + free_irq(p->irq, p); + parport_remove_port(p); + iounmap(dd->base); + release_resource(dd->io); + kfree(dd->io); + kfree(dd); + + return 0; +} + +#ifdef CONFIG_PM + +static int parport_ax88796_suspend(struct platform_device *dev, + pm_message_t state) +{ + struct parport *p = platform_get_drvdata(dev); + struct ax_drvdata *dd = pp_to_drv(p); + + parport_ax88796_save_state(p, &dd->suspend); + writeb(AX_CPR_nDOE | AX_CPR_STRB, dd->spp_cpr); + return 0; +} + +static int parport_ax88796_resume(struct platform_device *dev) +{ + struct parport *p = platform_get_drvdata(dev); + struct ax_drvdata *dd = pp_to_drv(p); + + parport_ax88796_restore_state(p, &dd->suspend); + return 0; +} + +#else +#define parport_ax88796_suspend NULL +#define parport_ax88796_resume NULL +#endif + +static struct platform_driver axdrv = { + .driver = { + .name = "ax88796-pp", + .owner = THIS_MODULE, + }, + .probe = parport_ax88796_probe, + .remove = parport_ax88796_remove, + .suspend = parport_ax88796_suspend, + .resume = parport_ax88796_resume, +}; + +static int __init parport_ax88796_init(void) +{ + return platform_driver_register(&axdrv); +} + +static void __exit parport_ax88796_exit(void) +{ + platform_driver_unregister(&axdrv); +} + +module_init(parport_ax88796_init) +module_exit(parport_ax88796_exit) + +MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); +MODULE_DESCRIPTION("AX88796 Parport parallel port driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index 1de52d9febf..7352104f7b3 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -15,7 +15,7 @@ * Phil Blundell <philb@gnu.org> * Tim Waugh <tim@cyberelk.demon.co.uk> * Jose Renau <renau@acm.org> - * David Campbell <campbell@torque.net> + * David Campbell * Andrea Arcangeli */ diff --git a/drivers/parport/parport_gsc.h b/drivers/parport/parport_gsc.h index 662f6c1fee5..fc9c37c5402 100644 --- a/drivers/parport/parport_gsc.h +++ b/drivers/parport/parport_gsc.h @@ -24,7 +24,7 @@ * Phil Blundell <Philip.Blundell@pobox.com> * Tim Waugh <tim@cyberelk.demon.co.uk> * Jose Renau <renau@acm.org> - * David Campbell <campbell@torque.net> + * David Campbell * Andrea Arcangeli */ diff --git a/drivers/parport/parport_mfc3.c b/drivers/parport/parport_mfc3.c index c85364765ef..b2b8092a2b3 100644 --- a/drivers/parport/parport_mfc3.c +++ b/drivers/parport/parport_mfc3.c @@ -353,7 +353,7 @@ static int __init parport_mfc3_init(void) if (p->irq != PARPORT_IRQ_NONE) { if (use_cnt++ == 0) - if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, SA_SHIRQ, p->name, &pp_mfc3_ops)) + if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, IRQF_SHARED, p->name, &pp_mfc3_ops)) goto out_irq; } diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 48bbf32fd98..fe800dc0be9 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -3,7 +3,7 @@ * Authors: Phil Blundell <philb@gnu.org> * Tim Waugh <tim@cyberelk.demon.co.uk> * Jose Renau <renau@acm.org> - * David Campbell <campbell@torque.net> + * David Campbell * Andrea Arcangeli * * based on work by Grant Guenther <grant@torque.net> and Phil Blundell. @@ -42,7 +42,6 @@ * but rather will start at port->base_hi. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c index 36a1556e64c..fac333b279b 100644 --- a/drivers/parport/parport_sunbpp.c +++ b/drivers/parport/parport_sunbpp.c @@ -1,5 +1,4 @@ -/* $Id: parport_sunbpp.c,v 1.12 2001/05/26 03:01:42 davem Exp $ - * Parallel-port routines for Sun architecture +/* parport_sunbpp.c: Parallel-port routines for SBUS * * Author: Derrick J. Brashear <shadow@dementia.org> * @@ -14,6 +13,9 @@ * Gus Baldauf (gbaldauf@ix.netcom.com) * Peter Zaitcev * Tom Dyas + * + * Updated to new SBUS device framework: David S. Miller <davem@davemloft.net> + * */ #include <linux/string.h> @@ -287,14 +289,7 @@ static struct parport_operations parport_sunbpp_ops = .owner = THIS_MODULE, }; -typedef struct { - struct list_head list; - struct parport *port; -} Node; -/* no locks, everything's serialized */ -static LIST_HEAD(port_list); - -static int __init init_one_port(struct sbus_dev *sdev) +static int __devinit init_one_port(struct sbus_dev *sdev) { struct parport *p; /* at least in theory there may be a "we don't dma" case */ @@ -303,109 +298,120 @@ static int __init init_one_port(struct sbus_dev *sdev) int irq, dma, err = 0, size; struct bpp_regs __iomem *regs; unsigned char value_tcr; - Node *node; - - dprintk((KERN_DEBUG "init_one_port(%p): ranges, alloc_io, ", sdev)); - node = kmalloc(sizeof(Node), GFP_KERNEL); - if (!node) - goto out0; irq = sdev->irqs[0]; base = sbus_ioremap(&sdev->resource[0], 0, sdev->reg_addrs[0].reg_size, "sunbpp"); if (!base) - goto out1; + return -ENODEV; size = sdev->reg_addrs[0].reg_size; dma = PARPORT_DMA_NONE; - dprintk(("alloc(ppops), ")); - ops = kmalloc (sizeof (struct parport_operations), GFP_KERNEL); + ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL); if (!ops) - goto out2; + goto out_unmap; memcpy (ops, &parport_sunbpp_ops, sizeof (struct parport_operations)); dprintk(("register_port\n")); if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) - goto out3; + goto out_free_ops; p->size = size; - dprintk((KERN_DEBUG "init_one_port: request_irq(%08x:%p:%x:%s:%p) ", - p->irq, parport_sunbpp_interrupt, SA_SHIRQ, p->name, p)); if ((err = request_irq(p->irq, parport_sunbpp_interrupt, - SA_SHIRQ, p->name, p)) != 0) { - dprintk(("ERROR %d\n", err)); - goto out4; + IRQF_SHARED, p->name, p)) != 0) { + goto out_put_port; } - dprintk(("OK\n")); + parport_sunbpp_enable_irq(p); regs = (struct bpp_regs __iomem *)p->base; - dprintk((KERN_DEBUG "forward\n")); + value_tcr = sbus_readb(®s->p_tcr); value_tcr &= ~P_TCR_DIR; sbus_writeb(value_tcr, ®s->p_tcr); printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base); - node->port = p; - list_add(&node->list, &port_list); - parport_announce_port (p); - return 1; + dev_set_drvdata(&sdev->ofdev.dev, p); + + parport_announce_port(p); + + return 0; -out4: +out_put_port: parport_put_port(p); -out3: + +out_free_ops: kfree(ops); -out2: + +out_unmap: sbus_iounmap(base, size); -out1: - kfree(node); -out0: + return err; } -static int __init parport_sunbpp_init(void) +static int __devinit bpp_probe(struct of_device *dev, const struct of_device_id *match) { - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int count = 0; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, "SUNW,bpp")) - count += init_one_port(sdev); - } + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + + return init_one_port(sdev); +} + +static int __devexit bpp_remove(struct of_device *dev) +{ + struct parport *p = dev_get_drvdata(&dev->dev); + struct parport_operations *ops = p->ops; + + parport_remove_port(p); + + if (p->irq != PARPORT_IRQ_NONE) { + parport_sunbpp_disable_irq(p); + free_irq(p->irq, p); } - return count ? 0 : -ENODEV; + + sbus_iounmap((void __iomem *) p->base, p->size); + parport_put_port(p); + kfree(ops); + + dev_set_drvdata(&dev->dev, NULL); + + return 0; +} + +static struct of_device_id bpp_match[] = { + { + .name = "SUNW,bpp", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, bpp_match); + +static struct of_platform_driver bpp_sbus_driver = { + .name = "bpp", + .match_table = bpp_match, + .probe = bpp_probe, + .remove = __devexit_p(bpp_remove), +}; + +static int __init parport_sunbpp_init(void) +{ + return of_register_driver(&bpp_sbus_driver, &sbus_bus_type); } static void __exit parport_sunbpp_exit(void) { - while (!list_empty(&port_list)) { - Node *node = list_entry(port_list.next, Node, list); - struct parport *p = node->port; - struct parport_operations *ops = p->ops; - parport_remove_port(p); - - if (p->irq != PARPORT_IRQ_NONE) { - parport_sunbpp_disable_irq(p); - free_irq(p->irq, p); - } - sbus_iounmap((void __iomem *)p->base, p->size); - parport_put_port(p); - kfree (ops); - list_del(&node->list); - kfree (node); - } + of_unregister_driver(&bpp_sbus_driver); } MODULE_AUTHOR("Derrick J Brashear"); MODULE_DESCRIPTION("Parport Driver for Sparc bidirectional Port"); MODULE_SUPPORTED_DEVICE("Sparc Bidirectional Parallel Port"); +MODULE_VERSION("2.0"); MODULE_LICENSE("GPL"); module_init(parport_sunbpp_init) diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index cbe17184b9c..2e744a27451 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -1,6 +1,6 @@ /* Sysctl interface for parport devices. * - * Authors: David Campbell <campbell@torque.net> + * Authors: David Campbell * Tim Waugh <tim@cyberelk.demon.co.uk> * Philip Blundell <philb@gnu.org> * Andrea Arcangeli @@ -13,7 +13,6 @@ */ #include <linux/string.h> -#include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/errno.h> diff --git a/drivers/parport/share.c b/drivers/parport/share.c index bbbfd79adba..94dc506b83d 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -17,7 +17,6 @@ #undef PARPORT_DEBUG_SHARING /* undef for production */ -#include <linux/config.h> #include <linux/module.h> #include <linux/string.h> #include <linux/threads.h> @@ -218,7 +217,7 @@ static void free_port (struct parport *port) * parport_get_port - increment a port's reference count * @port: the port * - * This ensure's that a struct parport pointer remains valid + * This ensures that a struct parport pointer remains valid * until the matching parport_put_port() call. **/ |