diff options
Diffstat (limited to 'drivers/net/pcmcia/smc91c92_cs.c')
| -rw-r--r-- | drivers/net/pcmcia/smc91c92_cs.c | 2332 |
1 files changed, 0 insertions, 2332 deletions
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c deleted file mode 100644 index 0122415dfee..00000000000 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ /dev/null @@ -1,2332 +0,0 @@ -/*====================================================================== - - A PCMCIA ethernet driver for SMC91c92-based cards. - - This driver supports Megahertz PCMCIA ethernet cards; and - Megahertz, Motorola, Ositech, and Psion Dacom ethernet/modem - multifunction cards. - - Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net - - smc91c92_cs.c 1.122 2002/10/25 06:26:39 - - This driver contains code written by Donald Becker - (becker@scyld.com), Rowan Hughes (x-csrdh@jcu.edu.au), - David Hinds (dahinds@users.sourceforge.net), and Erik Stahlman - (erik@vt.edu). Donald wrote the SMC 91c92 code using parts of - Erik's SMC 91c94 driver. Rowan wrote a similar driver, and I've - incorporated some parts of his driver here. I (Dave) wrote most - of the PCMCIA glue code, and the Ositech support code. Kelly - Stephens (kstephen@holli.com) added support for the Motorola - Mariner, with help from Allen Brost. - - This software may be used and distributed according to the terms of - the GNU General Public License, incorporated herein by reference. - -======================================================================*/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/crc32.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/ethtool.h> -#include <linux/mii.h> -#include <linux/jiffies.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ciscode.h> -#include <pcmcia/ds.h> - -#include <asm/io.h> -#include <asm/system.h> -#include <asm/uaccess.h> - -/* Ositech Seven of Diamonds firmware */ -#include "ositech.h" - -/*====================================================================*/ - -static char *if_names[] = { "auto", "10baseT", "10base2"}; - -/* Module parameters */ - -MODULE_DESCRIPTION("SMC 91c92 series PCMCIA ethernet driver"); -MODULE_LICENSE("GPL"); - -#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) - -/* - Transceiver/media type. - 0 = auto - 1 = 10baseT (and autoselect if #define AUTOSELECT), - 2 = AUI/10base2, -*/ -INT_MODULE_PARM(if_port, 0); - -#ifdef PCMCIA_DEBUG -INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG); -static const char *version = -"smc91c92_cs.c 0.09 1996/8/4 Donald Becker, becker@scyld.com.\n"; -#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) -#else -#define DEBUG(n, args...) -#endif - -#define DRV_NAME "smc91c92_cs" -#define DRV_VERSION "1.122" - -/*====================================================================*/ - -/* Operational parameter that usually are not changed. */ - -/* Time in jiffies before concluding Tx hung */ -#define TX_TIMEOUT ((400*HZ)/1000) - -/* Maximum events (Rx packets, etc.) to handle at each interrupt. */ -#define INTR_WORK 4 - -/* Times to check the check the chip before concluding that it doesn't - currently have room for another Tx packet. */ -#define MEMORY_WAIT_TIME 8 - -struct smc_private { - dev_link_t link; - spinlock_t lock; - u_short manfid; - u_short cardid; - struct net_device_stats stats; - dev_node_t node; - struct sk_buff *saved_skb; - int packets_waiting; - void __iomem *base; - u_short cfg; - struct timer_list media; - int watchdog, tx_err; - u_short media_status; - u_short fast_poll; - u_short link_status; - struct mii_if_info mii_if; - int duplex; - int rx_ovrn; -}; - -struct smc_cfg_mem { - tuple_t tuple; - cisparse_t parse; - u_char buf[255]; -}; - -/* Special definitions for Megahertz multifunction cards */ -#define MEGAHERTZ_ISR 0x0380 - -/* Special function registers for Motorola Mariner */ -#define MOT_LAN 0x0000 -#define MOT_UART 0x0020 -#define MOT_EEPROM 0x20 - -#define MOT_NORMAL \ -(COR_LEVEL_REQ | COR_FUNC_ENA | COR_ADDR_DECODE | COR_IREQ_ENA) - -/* Special function registers for Ositech cards */ -#define OSITECH_AUI_CTL 0x0c -#define OSITECH_PWRDOWN 0x0d -#define OSITECH_RESET 0x0e -#define OSITECH_ISR 0x0f -#define OSITECH_AUI_PWR 0x0c -#define OSITECH_RESET_ISR 0x0e - -#define OSI_AUI_PWR 0x40 -#define OSI_LAN_PWRDOWN 0x02 -#define OSI_MODEM_PWRDOWN 0x01 -#define OSI_LAN_RESET 0x02 -#define OSI_MODEM_RESET 0x01 - -/* Symbolic constants for the SMC91c9* series chips, from Erik Stahlman. */ -#define BANK_SELECT 14 /* Window select register. */ -#define SMC_SELECT_BANK(x) { outw(x, ioaddr + BANK_SELECT); } - -/* Bank 0 registers. */ -#define TCR 0 /* transmit control register */ -#define TCR_CLEAR 0 /* do NOTHING */ -#define TCR_ENABLE 0x0001 /* if this is 1, we can transmit */ -#define TCR_PAD_EN 0x0080 /* pads short packets to 64 bytes */ -#define TCR_MONCSN 0x0400 /* Monitor Carrier. */ -#define TCR_FDUPLX 0x0800 /* Full duplex mode. */ -#define TCR_NORMAL TCR_ENABLE | TCR_PAD_EN - -#define EPH 2 /* Ethernet Protocol Handler report. */ -#define EPH_TX_SUC 0x0001 -#define EPH_SNGLCOL 0x0002 -#define EPH_MULCOL 0x0004 -#define EPH_LTX_MULT 0x0008 -#define EPH_16COL 0x0010 -#define EPH_SQET 0x0020 -#define EPH_LTX_BRD 0x0040 -#define EPH_TX_DEFR 0x0080 -#define EPH_LAT_COL 0x0200 -#define EPH_LOST_CAR 0x0400 -#define EPH_EXC_DEF 0x0800 -#define EPH_CTR_ROL 0x1000 -#define EPH_RX_OVRN 0x2000 -#define EPH_LINK_OK 0x4000 -#define EPH_TX_UNRN 0x8000 -#define MEMINFO 8 /* Memory Information Register */ -#define MEMCFG 10 /* Memory Configuration Register */ - -/* Bank 1 registers. */ -#define CONFIG 0 -#define CFG_MII_SELECT 0x8000 /* 91C100 only */ -#define CFG_NO_WAIT 0x1000 -#define CFG_FULL_STEP 0x0400 -#define CFG_SET_SQLCH 0x0200 -#define CFG_AUI_SELECT 0x0100 -#define CFG_16BIT 0x0080 -#define CFG_DIS_LINK 0x0040 -#define CFG_STATIC 0x0030 -#define CFG_IRQ_SEL_1 0x0004 -#define CFG_IRQ_SEL_0 0x0002 -#define BASE_ADDR 2 -#define ADDR0 4 -#define GENERAL 10 -#define CONTROL 12 -#define CTL_STORE 0x0001 -#define CTL_RELOAD 0x0002 -#define CTL_EE_SELECT 0x0004 -#define CTL_TE_ENABLE 0x0020 -#define CTL_CR_ENABLE 0x0040 -#define CTL_LE_ENABLE 0x0080 -#define CTL_AUTO_RELEASE 0x0800 -#define CTL_POWERDOWN 0x2000 - -/* Bank 2 registers. */ -#define MMU_CMD 0 -#define MC_ALLOC 0x20 /* or with number of 256 byte packets */ -#define MC_RESET 0x40 -#define MC_RELEASE 0x80 /* remove and release the current rx packet */ -#define MC_FREEPKT 0xA0 /* Release packet in PNR register */ -#define MC_ENQUEUE 0xC0 /* Enqueue the packet for transmit */ -#define PNR_ARR 2 -#define FIFO_PORTS 4 -#define FP_RXEMPTY 0x8000 -#define POINTER 6 -#define PTR_AUTO_INC 0x0040 -#define PTR_READ 0x2000 -#define PTR_AUTOINC 0x4000 -#define PTR_RCV 0x8000 -#define DATA_1 8 -#define INTERRUPT 12 -#define IM_RCV_INT 0x1 -#define IM_TX_INT 0x2 -#define IM_TX_EMPTY_INT 0x4 -#define IM_ALLOC_INT 0x8 -#define IM_RX_OVRN_INT 0x10 -#define IM_EPH_INT 0x20 - -#define RCR 4 -enum RxCfg { RxAllMulti = 0x0004, RxPromisc = 0x0002, - RxEnable = 0x0100, RxStripCRC = 0x0200}; -#define RCR_SOFTRESET 0x8000 /* resets the chip */ -#define RCR_STRIP_CRC 0x200 /* strips CRC */ -#define RCR_ENABLE 0x100 /* IFF this is set, we can receive packets */ -#define RCR_ALMUL 0x4 /* receive all multicast packets */ -#define RCR_PROMISC 0x2 /* enable promiscuous mode */ - -/* the normal settings for the RCR register : */ -#define RCR_NORMAL (RCR_STRIP_CRC | RCR_ENABLE) -#define RCR_CLEAR 0x0 /* set it to a base state */ -#define COUNTER 6 - -/* BANK 3 -- not the same values as in smc9194! */ -#define MULTICAST0 0 -#define MULTICAST2 2 -#define MULTICAST4 4 -#define MULTICAST6 6 -#define MGMT 8 -#define REVISION 0x0a - -/* Transmit status bits. */ -#define TS_SUCCESS 0x0001 -#define TS_16COL 0x0010 -#define TS_LATCOL 0x0200 -#define TS_LOSTCAR 0x0400 - -/* Receive status bits. */ -#define RS_ALGNERR 0x8000 -#define RS_BADCRC 0x2000 -#define RS_ODDFRAME 0x1000 -#define RS_TOOLONG 0x0800 -#define RS_TOOSHORT 0x0400 -#define RS_MULTICAST 0x0001 -#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) - -#define set_bits(v, p) outw(inw(p)|(v), (p)) -#define mask_bits(v, p) outw(inw(p)&(v), (p)) - -/*====================================================================*/ - -static void smc91c92_detach(struct pcmcia_device *p_dev); -static void smc91c92_config(dev_link_t *link); -static void smc91c92_release(dev_link_t *link); - -static int smc_open(struct net_device *dev); -static int smc_close(struct net_device *dev); -static int smc_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -static void smc_tx_timeout(struct net_device *dev); -static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static void smc_rx(struct net_device *dev); -static struct net_device_stats *smc_get_stats(struct net_device *dev); -static void set_rx_mode(struct net_device *dev); -static int s9k_config(struct net_device *dev, struct ifmap *map); -static void smc_set_xcvr(struct net_device *dev, int if_port); -static void smc_reset(struct net_device *dev); -static void media_check(u_long arg); -static void mdio_sync(kio_addr_t addr); -static int mdio_read(struct net_device *dev, int phy_id, int loc); -static void mdio_write(struct net_device *dev, int phy_id, int loc, int value); -static int smc_link_ok(struct net_device *dev); -static struct ethtool_ops ethtool_ops; - -/*====================================================================== - - smc91c92_attach() creates an "instance" of the driver, allocating - local data structures for one device. The device is registered - with Card Services. - -======================================================================*/ - -static int smc91c92_attach(struct pcmcia_device *p_dev) -{ - struct smc_private *smc; - dev_link_t *link; - struct net_device *dev; - - DEBUG(0, "smc91c92_attach()\n"); - - /* Create new ethernet device */ - dev = alloc_etherdev(sizeof(struct smc_private)); - if (!dev) - return -ENOMEM; - smc = netdev_priv(dev); - link = &smc->link; - link->priv = dev; - - spin_lock_init(&smc->lock); - link->io.NumPorts1 = 16; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; - link->io.IOAddrLines = 4; - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->irq.Handler = &smc_interrupt; - link->irq.Instance = dev; - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.Vcc = 50; - link->conf.IntType = INT_MEMORY_AND_IO; - - /* The SMC91c92-specific entries in the device structure. */ - SET_MODULE_OWNER(dev); - dev->hard_start_xmit = &smc_start_xmit; - dev->get_stats = &smc_get_stats; - dev->set_config = &s9k_config; - dev->set_multicast_list = &set_rx_mode; - dev->open = &smc_open; - dev->stop = &smc_close; - dev->do_ioctl = &smc_ioctl; - SET_ETHTOOL_OPS(dev, ðtool_ops); -#ifdef HAVE_TX_TIMEOUT - dev->tx_timeout = smc_tx_timeout; - dev->watchdog_timeo = TX_TIMEOUT; -#endif - - smc->mii_if.dev = dev; - smc->mii_if.mdio_read = mdio_read; - smc->mii_if.mdio_write = mdio_write; - smc->mii_if.phy_id_mask = 0x1f; - smc->mii_if.reg_num_mask = 0x1f; - - link->handle = p_dev; - p_dev->instance = link; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - smc91c92_config(link); - - return 0; -} /* smc91c92_attach */ - -/*====================================================================== - - This deletes a driver "instance". The device is de-registered - with Card Services. If it has been released, all local data - structures are freed. Otherwise, the structures will be freed - when the device is released. - -======================================================================*/ - -static void smc91c92_detach(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - struct net_device *dev = link->priv; - - DEBUG(0, "smc91c92_detach(0x%p)\n", link); - - if (link->dev) - unregister_netdev(dev); - - if (link->state & DEV_CONFIG) - smc91c92_release(link); - - free_netdev(dev); -} /* smc91c92_detach */ - -/*====================================================================*/ - -static int cvt_ascii_address(struct net_device *dev, char *s) -{ - int i, j, da, c; - - if (strlen(s) != 12) - return -1; - for (i = 0; i < 6; i++) { - da = 0; - for (j = 0; j < 2; j++) { - c = *s++; - da <<= 4; - da += ((c >= '0') && (c <= '9')) ? - (c - '0') : ((c & 0x0f) + 9); - } - dev->dev_addr[i] = da; - } - return 0; -} - -/*====================================================================*/ - -static int first_tuple(client_handle_t handle, tuple_t *tuple, - cisparse_t *parse) -{ - int i; - - if ((i = pcmcia_get_first_tuple(handle, tuple)) != CS_SUCCESS || - (i = pcmcia_get_tuple_data(handle, tuple)) != CS_SUCCESS) - return i; - return pcmcia_parse_tuple(handle, tuple, parse); -} - -static int next_tuple(client_handle_t handle, tuple_t *tuple, - cisparse_t *parse) -{ - int i; - - if ((i = pcmcia_get_next_tuple(handle, tuple)) != CS_SUCCESS || - (i = pcmcia_get_tuple_data(handle, tuple)) != CS_SUCCESS) - return i; - return pcmcia_parse_tuple(handle, tuple, parse); -} - -/*====================================================================== - - Configuration stuff for Megahertz cards - - mhz_3288_power() is used to power up a 3288's ethernet chip. - mhz_mfc_config() handles socket setup for multifunction (1144 - and 3288) cards. mhz_setup() gets a card's hardware ethernet - address. - -======================================================================*/ - -static int mhz_3288_power(dev_link_t *link) -{ - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - u_char tmp; - - /* Read the ISR twice... */ - readb(smc->base+MEGAHERTZ_ISR); - udelay(5); - readb(smc->base+MEGAHERTZ_ISR); - - /* Pause 200ms... */ - mdelay(200); - - /* Now read and write the COR... */ - tmp = readb(smc->base + link->conf.ConfigBase + CISREG_COR); - udelay(5); - writeb(tmp, smc->base + link->conf.ConfigBase + CISREG_COR); - - return 0; -} - -static int mhz_mfc_config(dev_link_t *link) -{ - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - cistpl_cftable_entry_t *cf; - u_char *buf; - win_req_t req; - memreq_t mem; - int i, k; - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - return CS_OUT_OF_RESOURCE; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - cf = &parse->cftable_entry; - buf = cfg_mem->buf; - - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->conf.Status = CCSR_AUDIO_ENA; - link->irq.Attributes = - IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED|IRQ_HANDLE_PRESENT; - link->io.IOAddrLines = 16; - link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; - link->io.NumPorts2 = 8; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 255; - tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; - - i = first_tuple(link->handle, tuple, parse); - /* The Megahertz combo cards have modem-like CIS entries, so - we have to explicitly try a bunch of port combinations. */ - while (i == CS_SUCCESS) { - link->conf.ConfigIndex = cf->index; - link->io.BasePort2 = cf->io.win[0].base; - for (k = 0; k < 0x400; k += 0x10) { - if (k & 0x80) continue; - link->io.BasePort1 = k ^ 0x300; - i = pcmcia_request_io(link->handle, &link->io); - if (i == CS_SUCCESS) break; - } - if (i == CS_SUCCESS) break; - i = next_tuple(link->handle, tuple, parse); - } - if (i != CS_SUCCESS) - goto free_cfg_mem; - dev->base_addr = link->io.BasePort1; - - /* Allocate a memory window, for accessing the ISR */ - req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; - req.Base = req.Size = 0; - req.AccessSpeed = 0; - i = pcmcia_request_window(&link->handle, &req, &link->win); - if (i != CS_SUCCESS) - goto free_cfg_mem; - smc->base = ioremap(req.Base, req.Size); - mem.CardOffset = mem.Page = 0; - if (smc->manfid == MANFID_MOTOROLA) - mem.CardOffset = link->conf.ConfigBase; - i = pcmcia_map_mem_page(link->win, &mem); - - if ((i == CS_SUCCESS) - && (smc->manfid == MANFID_MEGAHERTZ) - && (smc->cardid == PRODID_MEGAHERTZ_EM3288)) - mhz_3288_power(link); - -free_cfg_mem: - kfree(cfg_mem); - return i; -} - -static int mhz_setup(dev_link_t *link) -{ - client_handle_t handle = link->handle; - struct net_device *dev = link->priv; - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - u_char *buf, *station_addr; - int rc; - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - return -1; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - buf = cfg_mem->buf; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 255; - - /* Read the station address from the CIS. It is stored as the last - (fourth) string in the Version 1 Version/ID tuple. */ - tuple->DesiredTuple = CISTPL_VERS_1; - if (first_tuple(handle, tuple, parse) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - /* Ugh -- the EM1144 card has two VERS_1 tuples!?! */ - if (next_tuple(handle, tuple, parse) != CS_SUCCESS) - first_tuple(handle, tuple, parse); - if (parse->version_1.ns > 3) { - station_addr = parse->version_1.str + parse->version_1.ofs[3]; - if (cvt_ascii_address(dev, station_addr) == 0) { - rc = 0; - goto free_cfg_mem; - } - } - - /* Another possibility: for the EM3288, in a special tuple */ - tuple->DesiredTuple = 0x81; - if (pcmcia_get_first_tuple(handle, tuple) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - if (pcmcia_get_tuple_data(handle, tuple) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - buf[12] = '\0'; - if (cvt_ascii_address(dev, buf) == 0) { - rc = 0; - goto free_cfg_mem; - } - rc = -1; -free_cfg_mem: - kfree(cfg_mem); - return rc; -} - -/*====================================================================== - - Configuration stuff for the Motorola Mariner - - mot_config() writes directly to the Mariner configuration - registers because the CIS is just bogus. - -======================================================================*/ - -static void mot_config(dev_link_t *link) -{ - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - kio_addr_t iouart = link->io.BasePort2; - - /* Set UART base address and force map with COR bit 1 */ - writeb(iouart & 0xff, smc->base + MOT_UART + CISREG_IOBASE_0); - writeb((iouart >> 8) & 0xff, smc->base + MOT_UART + CISREG_IOBASE_1); - writeb(MOT_NORMAL, smc->base + MOT_UART + CISREG_COR); - - /* Set SMC base address and force map with COR bit 1 */ - writeb(ioaddr & 0xff, smc->base + MOT_LAN + CISREG_IOBASE_0); - writeb((ioaddr >> 8) & 0xff, smc->base + MOT_LAN + CISREG_IOBASE_1); - writeb(MOT_NORMAL, smc->base + MOT_LAN + CISREG_COR); - - /* Wait for things to settle down */ - mdelay(100); -} - -static int mot_setup(dev_link_t *link) -{ - struct net_device *dev = link->priv; - kio_addr_t ioaddr = dev->base_addr; - int i, wait, loop; - u_int addr; - - /* Read Ethernet address from Serial EEPROM */ - - for (i = 0; i < 3; i++) { - SMC_SELECT_BANK(2); - outw(MOT_EEPROM + i, ioaddr + POINTER); - SMC_SELECT_BANK(1); - outw((CTL_RELOAD | CTL_EE_SELECT), ioaddr + CONTROL); - - for (loop = wait = 0; loop < 200; loop++) { - udelay(10); - wait = ((CTL_RELOAD | CTL_STORE) & inw(ioaddr + CONTROL)); - if (wait == 0) break; - } - - if (wait) - return -1; - - addr = inw(ioaddr + GENERAL); - dev->dev_addr[2*i] = addr & 0xff; - dev->dev_addr[2*i+1] = (addr >> 8) & 0xff; - } - - return 0; -} - -/*====================================================================*/ - -static int smc_config(dev_link_t *link) -{ - struct net_device *dev = link->priv; - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - cistpl_cftable_entry_t *cf; - u_char *buf; - int i; - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - return CS_OUT_OF_RESOURCE; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - cf = &parse->cftable_entry; - buf = cfg_mem->buf; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 255; - tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY; - - link->io.NumPorts1 = 16; - i = first_tuple(link->handle, tuple, parse); - while (i != CS_NO_MORE_ITEMS) { - if (i == CS_SUCCESS) { - link->conf.ConfigIndex = cf->index; - link->io.BasePort1 = cf->io.win[0].base; - link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK; - i = pcmcia_request_io(link->handle, &link->io); - if (i == CS_SUCCESS) break; - } - i = next_tuple(link->handle, tuple, parse); - } - if (i == CS_SUCCESS) - dev->base_addr = link->io.BasePort1; - - kfree(cfg_mem); - return i; -} - -static int smc_setup(dev_link_t *link) -{ - client_handle_t handle = link->handle; - struct net_device *dev = link->priv; - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - cistpl_lan_node_id_t *node_id; - u_char *buf, *station_addr; - int i, rc; - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - return CS_OUT_OF_RESOURCE; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - buf = cfg_mem->buf; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 255; - - /* Check for a LAN function extension tuple */ - tuple->DesiredTuple = CISTPL_FUNCE; - i = first_tuple(handle, tuple, parse); - while (i == CS_SUCCESS) { - if (parse->funce.type == CISTPL_FUNCE_LAN_NODE_ID) - break; - i = next_tuple(handle, tuple, parse); - } - if (i == CS_SUCCESS) { - node_id = (cistpl_lan_node_id_t *)parse->funce.data; - if (node_id->nb == 6) { - for (i = 0; i < 6; i++) - dev->dev_addr[i] = node_id->id[i]; - rc = 0; - goto free_cfg_mem; - } - } - /* Try the third string in the Version 1 Version/ID tuple. */ - tuple->DesiredTuple = CISTPL_VERS_1; - if (first_tuple(handle, tuple, parse) != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - station_addr = parse->version_1.str + parse->version_1.ofs[2]; - if (cvt_ascii_address(dev, station_addr) == 0) { - rc = 0; - goto free_cfg_mem; - } - - rc = -1; -free_cfg_mem: - kfree(cfg_mem); - return rc; -} - -/*====================================================================*/ - -static int osi_config(dev_link_t *link) -{ - struct net_device *dev = link->priv; - static kio_addr_t com[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 }; - int i, j; - - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->conf.Status = CCSR_AUDIO_ENA; - link->irq.Attributes = - IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED|IRQ_HANDLE_PRESENT; - link->io.NumPorts1 = 64; - link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; - link->io.NumPorts2 = 8; - link->io.IOAddrLines = 16; - - /* Enable Hard Decode, LAN, Modem */ - link->conf.ConfigIndex = 0x23; - - for (i = j = 0; j < 4; j++) { - link->io.BasePort2 = com[j]; - i = pcmcia_request_io(link->handle, &link->io); - if (i == CS_SUCCESS) break; - } - if (i != CS_SUCCESS) { - /* Fallback: turn off hard decode */ - link->conf.ConfigIndex = 0x03; - link->io.NumPorts2 = 0; - i = pcmcia_request_io(link->handle, &link->io); - } - dev->base_addr = link->io.BasePort1 + 0x10; - return i; -} - -static int osi_setup(dev_link_t *link, u_short manfid, u_short cardid) -{ - client_handle_t handle = link->handle; - struct net_device *dev = link->priv; - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - u_char *buf; - int i, rc; - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - return -1; - - tuple = &cfg_mem->tuple; - buf = cfg_mem->buf; - - tuple->Attributes = TUPLE_RETURN_COMMON; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 255; - tuple->TupleOffset = 0; - - /* Read the station address from tuple 0x90, subtuple 0x04 */ - tuple->DesiredTuple = 0x90; - i = pcmcia_get_first_tuple(handle, tuple); - while (i == CS_SUCCESS) { - i = pcmcia_get_tuple_data(handle, tuple); - if ((i != CS_SUCCESS) || (buf[0] == 0x04)) - break; - i = pcmcia_get_next_tuple(handle, tuple); - } - if (i != CS_SUCCESS) { - rc = -1; - goto free_cfg_mem; - } - for (i = 0; i < 6; i++) - dev->dev_addr[i] = buf[i+2]; - - if (((manfid == MANFID_OSITECH) && - (cardid == PRODID_OSITECH_SEVEN)) || - ((manfid == MANFID_PSION) && - (cardid == PRODID_PSION_NET100))) { - /* Download the Seven of Diamonds firmware */ - for (i = 0; i < sizeof(__Xilinx7OD); i++) { - outb(__Xilinx7OD[i], link->io.BasePort1+2); - udelay(50); - } - } else if (manfid == MANFID_OSITECH) { - /* Make sure both functions are powered up */ - set_bits(0x300, link->io.BasePort1 + OSITECH_AUI_PWR); - /* Now, turn on the interrupt for both card functions */ - set_bits(0x300, link->io.BasePort1 + OSITECH_RESET_ISR); - DEBUG(2, "AUI/PWR: %4.4x RESET/ISR: %4.4x\n", - inw(link->io.BasePort1 + OSITECH_AUI_PWR), - inw(link->io.BasePort1 + OSITECH_RESET_ISR)); - } - rc = 0; -free_cfg_mem: - kfree(cfg_mem); - return rc; -} - -static int smc91c92_suspend(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - struct net_device *dev = link->priv; - - link->state |= DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - if (link->open) - netif_device_detach(dev); - pcmcia_release_configuration(link->handle); - } - - return 0; -} - -static int smc91c92_resume(struct pcmcia_device *p_dev) -{ - dev_link_t *link = dev_to_instance(p_dev); - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - int i; - - link->state &= ~DEV_SUSPEND; - if (link->state & DEV_CONFIG) { - if ((smc->manfid == MANFID_MEGAHERTZ) && - (smc->cardid == PRODID_MEGAHERTZ_EM3288)) - mhz_3288_power(link); - pcmcia_request_configuration(link->handle, &link->conf); - if (smc->manfid == MANFID_MOTOROLA) - mot_config(link); - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) { - /* Power up the card and enable interrupts */ - set_bits(0x0300, dev->base_addr-0x10+OSITECH_AUI_PWR); - set_bits(0x0300, dev->base_addr-0x10+OSITECH_RESET_ISR); - } - if (((smc->manfid == MANFID_OSITECH) && - (smc->cardid == PRODID_OSITECH_SEVEN)) || - ((smc->manfid == MANFID_PSION) && - (smc->cardid == PRODID_PSION_NET100))) { - /* Download the Seven of Diamonds firmware */ - for (i = 0; i < sizeof(__Xilinx7OD); i++) { - outb(__Xilinx7OD[i], link->io.BasePort1+2); - udelay(50); - } - } - if (link->open) { - smc_reset(dev); - netif_device_attach(dev); - } - } - - return 0; -} - - -/*====================================================================== - - This verifies that the chip is some SMC91cXX variant, and returns - the revision code if successful. Otherwise, it returns -ENODEV. - -======================================================================*/ - -static int check_sig(dev_link_t *link) -{ - struct net_device *dev = link->priv; - kio_addr_t ioaddr = dev->base_addr; - int width; - u_short s; - - SMC_SELECT_BANK(1); - if (inw(ioaddr + BANK_SELECT) >> 8 != 0x33) { - /* Try powering up the chip */ - outw(0, ioaddr + CONTROL); - mdelay(55); - } - - /* Try setting bus width */ - width = (link->io.Attributes1 == IO_DATA_PATH_WIDTH_AUTO); - s = inb(ioaddr + CONFIG); - if (width) - s |= CFG_16BIT; - else - s &= ~CFG_16BIT; - outb(s, ioaddr + CONFIG); - - /* Check Base Address Register to make sure bus width is OK */ - s = inw(ioaddr + BASE_ADDR); - if ((inw(ioaddr + BANK_SELECT) >> 8 == 0x33) && - ((s >> 8) != (s & 0xff))) { - SMC_SELECT_BANK(3); - s = inw(ioaddr + REVISION); - return (s & 0xff); - } - - if (width) { - printk(KERN_INFO "smc91c92_cs: using 8-bit IO window.\n"); - smc91c92_suspend(link->handle); - pcmcia_release_io(link->handle, &link->io); - link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; - pcmcia_request_io(link->handle, &link->io); - smc91c92_resume(link->handle); - return check_sig(link); - } - return -ENODEV; -} - -/*====================================================================== - - smc91c92_config() is scheduled to run after a CARD_INSERTION event - is received, to configure the PCMCIA socket, and to make the - ethernet device available to the system. - -======================================================================*/ - -#define CS_EXIT_TEST(ret, svc, label) \ -if (ret != CS_SUCCESS) { cs_error(link->handle, svc, ret); goto label; } - -static void smc91c92_config(dev_link_t *link) -{ - client_handle_t handle = link->handle; - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - struct smc_cfg_mem *cfg_mem; - tuple_t *tuple; - cisparse_t *parse; - u_char *buf; - char *name; - int i, j, rev; - kio_addr_t ioaddr; - u_long mir; - - DEBUG(0, "smc91c92_config(0x%p)\n", link); - - cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL); - if (!cfg_mem) - goto config_failed; - - tuple = &cfg_mem->tuple; - parse = &cfg_mem->parse; - buf = cfg_mem->buf; - - tuple->Attributes = tuple->TupleOffset = 0; - tuple->TupleData = (cisdata_t *)buf; - tuple->TupleDataMax = 64; - - tuple->DesiredTuple = CISTPL_CONFIG; - i = first_tuple(handle, tuple, parse); - CS_EXIT_TEST(i, ParseTuple, config_failed); - link->conf.ConfigBase = parse->config.base; - link->conf.Present = parse->config.rmask[0]; - - tuple->DesiredTuple = CISTPL_MANFID; - tuple->Attributes = TUPLE_RETURN_COMMON; - if (first_tuple(handle, tuple, parse) == CS_SUCCESS) { - smc->manfid = parse->manfid.manf; - smc->cardid = parse->manfid.card; - } - - /* Configure card */ - link->state |= DEV_CONFIG; - - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) { - i = osi_config(link); - } else if ((smc->manfid == MANFID_MOTOROLA) || - ((smc->manfid == MANFID_MEGAHERTZ) && - ((smc->cardid == PRODID_MEGAHERTZ_VARIOUS) || - (smc->cardid == PRODID_MEGAHERTZ_EM3288)))) { - i = mhz_mfc_config(link); - } else { - i = smc_config(link); - } - CS_EXIT_TEST(i, RequestIO, config_failed); - - i = pcmcia_request_irq(link->handle, &link->irq); - CS_EXIT_TEST(i, RequestIRQ, config_failed); - i = pcmcia_request_configuration(link->handle, &link->conf); - CS_EXIT_TEST(i, RequestConfiguration, config_failed); - - if (smc->manfid == MANFID_MOTOROLA) - mot_config(link); - - dev->irq = link->irq.AssignedIRQ; - - if ((if_port >= 0) && (if_port <= 2)) - dev->if_port = if_port; - else - printk(KERN_NOTICE "smc91c92_cs: invalid if_port requested\n"); - - switch (smc->manfid) { - case MANFID_OSITECH: - case MANFID_PSION: - i = osi_setup(link, smc->manfid, smc->cardid); break; - case MANFID_SMC: - case MANFID_NEW_MEDIA: - i = smc_setup(link); break; - case 0x128: /* For broken Megahertz cards */ - case MANFID_MEGAHERTZ: - i = mhz_setup(link); break; - case MANFID_MOTOROLA: - default: /* get the hw address from EEPROM */ - i = mot_setup(link); break; - } - - if (i != 0) { - printk(KERN_NOTICE "smc91c92_cs: Unable to find hardware address.\n"); - goto config_undo; - } - - smc->duplex = 0; - smc->rx_ovrn = 0; - - rev = check_sig(link); - name = "???"; - if (rev > 0) - switch (rev >> 4) { - case 3: name = "92"; break; - case 4: name = ((rev & 15) >= 6) ? "96" : "94"; break; - case 5: name = "95"; break; - case 7: name = "100"; break; - case 8: name = "100-FD"; break; - case 9: name = "110"; break; - } - - ioaddr = dev->base_addr; - if (rev > 0) { - u_long mcr; - SMC_SELECT_BANK(0); - mir = inw(ioaddr + MEMINFO) & 0xff; - if (mir == 0xff) mir++; - /* Get scale factor for memory size */ - mcr = ((rev >> 4) > 3) ? inw(ioaddr + MEMCFG) : 0x0200; - mir *= 128 * (1<<((mcr >> 9) & 7)); - SMC_SELECT_BANK(1); - smc->cfg = inw(ioaddr + CONFIG) & ~CFG_AUI_SELECT; - smc->cfg |= CFG_NO_WAIT | CFG_16BIT | CFG_STATIC; - if (smc->manfid == MANFID_OSITECH) - smc->cfg |= CFG_IRQ_SEL_1 | CFG_IRQ_SEL_0; - if ((rev >> 4) >= 7) - smc->cfg |= CFG_MII_SELECT; - } else - mir = 0; - - if (smc->cfg & CFG_MII_SELECT) { - SMC_SELECT_BANK(3); - - for (i = 0; i < 32; i++) { - j = mdio_read(dev, i, 1); - if ((j != 0) && (j != 0xffff)) break; - } - smc->mii_if.phy_id = (i < 32) ? i : -1; - - SMC_SELECT_BANK(0); - } - - link->dev = &smc->node; - link->state &= ~DEV_CONFIG_PENDING; - SET_NETDEV_DEV(dev, &handle_to_dev(handle)); - - if (register_netdev(dev) != 0) { - printk(KERN_ERR "smc91c92_cs: register_netdev() failed\n"); - link->dev = NULL; - goto config_undo; - } - - strcpy(smc->node.dev_name, dev->name); - - printk(KERN_INFO "%s: smc91c%s rev %d: io %#3lx, irq %d, " - "hw_addr ", dev->name, name, (rev & 0x0f), dev->base_addr, - dev->irq); - for (i = 0; i < 6; i++) - printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n")); - - if (rev > 0) { - if (mir & 0x3ff) - printk(KERN_INFO " %lu byte", mir); - else - printk(KERN_INFO " %lu kb", mir>>10); - printk(" buffer, %s xcvr\n", (smc->cfg & CFG_MII_SELECT) ? - "MII" : if_names[dev->if_port]); - } - - if (smc->cfg & CFG_MII_SELECT) { - if (smc->mii_if.phy_id != -1) { - DEBUG(0, " MII transceiver at index %d, status %x.\n", - smc->mii_if.phy_id, j); - } else { - printk(KERN_NOTICE " No MII transceivers found!\n"); - } - } - kfree(cfg_mem); - return; - -config_undo: - unregister_netdev(dev); -config_failed: /* CS_EXIT_TEST() calls jump to here... */ - smc91c92_release(link); - link->state &= ~DEV_CONFIG_PENDING; - kfree(cfg_mem); - -} /* smc91c92_config */ - -/*====================================================================== - - After a card is removed, smc91c92_release() will unregister the net - device, and release the PCMCIA configuration. If the device is - still open, this will be postponed until it is closed. - -======================================================================*/ - -static void smc91c92_release(dev_link_t *link) -{ - - DEBUG(0, "smc91c92_release(0x%p)\n", link); - - pcmcia_release_configuration(link->handle); - pcmcia_release_io(link->handle, &link->io); - pcmcia_release_irq(link->handle, &link->irq); - if (link->win) { - struct net_device *dev = link->priv; - struct smc_private *smc = netdev_priv(dev); - iounmap(smc->base); - pcmcia_release_window(link->win); - } - - link->state &= ~DEV_CONFIG; -} - -/*====================================================================== - - MII interface support for SMC91cXX based cards -======================================================================*/ - -#define MDIO_SHIFT_CLK 0x04 -#define MDIO_DATA_OUT 0x01 -#define MDIO_DIR_WRITE 0x08 -#define MDIO_DATA_WRITE0 (MDIO_DIR_WRITE) -#define MDIO_DATA_WRITE1 (MDIO_DIR_WRITE | MDIO_DATA_OUT) -#define MDIO_DATA_READ 0x02 - -static void mdio_sync(kio_addr_t addr) -{ - int bits; - for (bits = 0; bits < 32; bits++) { - outb(MDIO_DATA_WRITE1, addr); - outb(MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK, addr); - } -} - -static int mdio_read(struct net_device *dev, int phy_id, int loc) -{ - kio_addr_t addr = dev->base_addr + MGMT; - u_int cmd = (0x06<<10)|(phy_id<<5)|loc; - int i, retval = 0; - - mdio_sync(addr); - for (i = 13; i >= 0; i--) { - int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; - outb(dat, addr); - outb(dat | MDIO_SHIFT_CLK, addr); - } - for (i = 19; i > 0; i--) { - outb(0, addr); - retval = (retval << 1) | ((inb(addr) & MDIO_DATA_READ) != 0); - outb(MDIO_SHIFT_CLK, addr); - } - return (retval>>1) & 0xffff; -} - -static void mdio_write(struct net_device *dev, int phy_id, int loc, int value) -{ - kio_addr_t addr = dev->base_addr + MGMT; - u_int cmd = (0x05<<28)|(phy_id<<23)|(loc<<18)|(1<<17)|value; - int i; - - mdio_sync(addr); - for (i = 31; i >= 0; i--) { - int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; - outb(dat, addr); - outb(dat | MDIO_SHIFT_CLK, addr); - } - for (i = 1; i >= 0; i--) { - outb(0, addr); - outb(MDIO_SHIFT_CLK, addr); - } -} - -/*====================================================================== - - The driver core code, most of which should be common with a - non-PCMCIA implementation. - -======================================================================*/ - -#ifdef PCMCIA_DEBUG -static void smc_dump(struct net_device *dev) -{ - kio_addr_t ioaddr = dev->base_addr; - u_short i, w, save; - save = inw(ioaddr + BANK_SELECT); - for (w = 0; w < 4; w++) { - SMC_SELECT_BANK(w); - printk(KERN_DEBUG "bank %d: ", w); - for (i = 0; i < 14; i += 2) - printk(" %04x", inw(ioaddr + i)); - printk("\n"); - } - outw(save, ioaddr + BANK_SELECT); -} -#endif - -static int smc_open(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - dev_link_t *link = &smc->link; - -#ifdef PCMCIA_DEBUG - DEBUG(0, "%s: smc_open(%p), ID/Window %4.4x.\n", - dev->name, dev, inw(dev->base_addr + BANK_SELECT)); - if (pc_debug > 1) smc_dump(dev); -#endif - - /* Check that the PCMCIA card is still here. */ - if (!DEV_OK(link)) - return -ENODEV; - /* Physical device present signature. */ - if (check_sig(link) < 0) { - printk("smc91c92_cs: Yikes! Bad chip signature!\n"); - return -ENODEV; - } - link->open++; - - netif_start_queue(dev); - smc->saved_skb = NULL; - smc->packets_waiting = 0; - - smc_reset(dev); - init_timer(&smc->media); - smc->media.function = &media_check; - smc->media.data = (u_long) dev; - smc->media.expires = jiffies + HZ; - add_timer(&smc->media); - - return 0; -} /* smc_open */ - -/*====================================================================*/ - -static int smc_close(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - dev_link_t *link = &smc->link; - kio_addr_t ioaddr = dev->base_addr; - - DEBUG(0, "%s: smc_close(), status %4.4x.\n", - dev->name, inw(ioaddr + BANK_SELECT)); - - netif_stop_queue(dev); - - /* Shut off all interrupts, and turn off the Tx and Rx sections. - Don't bother to check for chip present. */ - SMC_SELECT_BANK(2); /* Nominally paranoia, but do no assume... */ - outw(0, ioaddr + INTERRUPT); - SMC_SELECT_BANK(0); - mask_bits(0xff00, ioaddr + RCR); - mask_bits(0xff00, ioaddr + TCR); - - /* Put the chip into power-down mode. */ - SMC_SELECT_BANK(1); - outw(CTL_POWERDOWN, ioaddr + CONTROL ); - - link->open--; - del_timer_sync(&smc->media); - - return 0; -} /* smc_close */ - -/*====================================================================== - - Transfer a packet to the hardware and trigger the packet send. - This may be called at either from either the Tx queue code - or the interrupt handler. - -======================================================================*/ - -static void smc_hardware_send_packet(struct net_device * dev) -{ - struct smc_private *smc = netdev_priv(dev); - struct sk_buff *skb = smc->saved_skb; - kio_addr_t ioaddr = dev->base_addr; - u_char packet_no; - - if (!skb) { - printk(KERN_ERR "%s: In XMIT with no packet to send.\n", dev->name); - return; - } - - /* There should be a packet slot waiting. */ - packet_no = inw(ioaddr + PNR_ARR) >> 8; - if (packet_no & 0x80) { - /* If not, there is a hardware problem! Likely an ejected card. */ - printk(KERN_WARNING "%s: 91c92 hardware Tx buffer allocation" - " failed, status %#2.2x.\n", dev->name, packet_no); - dev_kfree_skb_irq(skb); - smc->saved_skb = NULL; - netif_start_queue(dev); - return; - } - - smc->stats.tx_bytes += skb->len; - /* The card should use the just-allocated buffer. */ - outw(packet_no, ioaddr + PNR_ARR); - /* point to the beginning of the packet */ - outw(PTR_AUTOINC , ioaddr + POINTER); - - /* Send the packet length (+6 for status, length and ctl byte) - and the status word (set to zeros). */ - { - u_char *buf = skb->data; - u_int length = skb->len; /* The chip will pad to ethernet min. */ - - DEBUG(2, "%s: Trying to xmit packet of length %d.\n", - dev->name, length); - - /* send the packet length: +6 for status word, length, and ctl */ - outw(0, ioaddr + DATA_1); - outw(length + 6, ioaddr + DATA_1); - outsw(ioaddr + DATA_1, buf, length >> 1); - - /* The odd last byte, if there is one, goes in the control word. */ - outw((length & 1) ? 0x2000 | buf[length-1] : 0, ioaddr + DATA_1); - } - - /* Enable the Tx interrupts, both Tx (TxErr) and TxEmpty. */ - outw(((IM_TX_INT|IM_TX_EMPTY_INT)<<8) | - (inw(ioaddr + INTERRUPT) & 0xff00), - ioaddr + INTERRUPT); - - /* The chip does the rest of the work. */ - outw(MC_ENQUEUE , ioaddr + MMU_CMD); - - smc->saved_skb = NULL; - dev_kfree_skb_irq(skb); - dev->trans_start = jiffies; - netif_start_queue(dev); - return; -} - -/*====================================================================*/ - -static void smc_tx_timeout(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - - printk(KERN_NOTICE "%s: SMC91c92 transmit timed out, " - "Tx_status %2.2x status %4.4x.\n", - dev->name, inw(ioaddr)&0xff, inw(ioaddr + 2)); - smc->stats.tx_errors++; - smc_reset(dev); - dev->trans_start = jiffies; - smc->saved_skb = NULL; - netif_wake_queue(dev); -} - -static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u_short num_pages; - short time_out, ir; - - netif_stop_queue(dev); - - DEBUG(2, "%s: smc_start_xmit(length = %d) called," - " status %4.4x.\n", dev->name, skb->len, inw(ioaddr + 2)); - - if (smc->saved_skb) { - /* THIS SHOULD NEVER HAPPEN. */ - smc->stats.tx_aborted_errors++; - printk(KERN_DEBUG "%s: Internal error -- sent packet while busy.\n", - dev->name); - return 1; - } - smc->saved_skb = skb; - - num_pages = skb->len >> 8; - - if (num_pages > 7) { - printk(KERN_ERR "%s: Far too big packet error.\n", dev->name); - dev_kfree_skb (skb); - smc->saved_skb = NULL; - smc->stats.tx_dropped++; - return 0; /* Do not re-queue this packet. */ - } - /* A packet is now waiting. */ - smc->packets_waiting++; - - SMC_SELECT_BANK(2); /* Paranoia, we should always be in window 2 */ - - /* need MC_RESET to keep the memory consistent. errata? */ - if (smc->rx_ovrn) { - outw(MC_RESET, ioaddr + MMU_CMD); - smc->rx_ovrn = 0; - } - - /* Allocate the memory; send the packet now if we win. */ - outw(MC_ALLOC | num_pages, ioaddr + MMU_CMD); - for (time_out = MEMORY_WAIT_TIME; time_out >= 0; time_out--) { - ir = inw(ioaddr+INTERRUPT); - if (ir & IM_ALLOC_INT) { - /* Acknowledge the interrupt, send the packet. */ - outw((ir&0xff00) | IM_ALLOC_INT, ioaddr + INTERRUPT); - smc_hardware_send_packet(dev); /* Send the packet now.. */ - return 0; - } - } - - /* Otherwise defer until the Tx-space-allocated interrupt. */ - DEBUG(2, "%s: memory allocation deferred.\n", dev->name); - outw((IM_ALLOC_INT << 8) | (ir & 0xff00), ioaddr + INTERRUPT); - - return 0; -} - -/*====================================================================== - - Handle a Tx anomolous event. Entered while in Window 2. - -======================================================================*/ - -static void smc_tx_err(struct net_device * dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - int saved_packet = inw(ioaddr + PNR_ARR) & 0xff; - int packet_no = inw(ioaddr + FIFO_PORTS) & 0x7f; - int tx_status; - - /* select this as the packet to read from */ - outw(packet_no, ioaddr + PNR_ARR); - - /* read the first word from this packet */ - outw(PTR_AUTOINC | PTR_READ | 0, ioaddr + POINTER); - - tx_status = inw(ioaddr + DATA_1); - - smc->stats.tx_errors++; - if (tx_status & TS_LOSTCAR) smc->stats.tx_carrier_errors++; - if (tx_status & TS_LATCOL) smc->stats.tx_window_errors++; - if (tx_status & TS_16COL) { - smc->stats.tx_aborted_errors++; - smc->tx_err++; - } - - if (tx_status & TS_SUCCESS) { - printk(KERN_NOTICE "%s: Successful packet caused error " - "interrupt?\n", dev->name); - } - /* re-enable transmit */ - SMC_SELECT_BANK(0); - outw(inw(ioaddr + TCR) | TCR_ENABLE | smc->duplex, ioaddr + TCR); - SMC_SELECT_BANK(2); - - outw(MC_FREEPKT, ioaddr + MMU_CMD); /* Free the packet memory. */ - - /* one less packet waiting for me */ - smc->packets_waiting--; - - outw(saved_packet, ioaddr + PNR_ARR); - return; -} - -/*====================================================================*/ - -static void smc_eph_irq(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u_short card_stats, ephs; - - SMC_SELECT_BANK(0); - ephs = inw(ioaddr + EPH); - DEBUG(2, "%s: Ethernet protocol handler interrupt, status" - " %4.4x.\n", dev->name, ephs); - /* Could be a counter roll-over warning: update stats. */ - card_stats = inw(ioaddr + COUNTER); - /* single collisions */ - smc->stats.collisions += card_stats & 0xF; - card_stats >>= 4; - /* multiple collisions */ - smc->stats.collisions += card_stats & 0xF; -#if 0 /* These are for when linux supports these statistics */ - card_stats >>= 4; /* deferred */ - card_stats >>= 4; /* excess deferred */ -#endif - /* If we had a transmit error we must re-enable the transmitter. */ - outw(inw(ioaddr + TCR) | TCR_ENABLE | smc->duplex, ioaddr + TCR); - - /* Clear a link error interrupt. */ - SMC_SELECT_BANK(1); - outw(CTL_AUTO_RELEASE | 0x0000, ioaddr + CONTROL); - outw(CTL_AUTO_RELEASE | CTL_TE_ENABLE | CTL_CR_ENABLE, - ioaddr + CONTROL); - SMC_SELECT_BANK(2); -} - -/*====================================================================*/ - -static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - struct net_device *dev = dev_id; - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr; - u_short saved_bank, saved_pointer, mask, status; - unsigned int handled = 1; - char bogus_cnt = INTR_WORK; /* Work we are willing to do. */ - - if (!netif_device_present(dev)) - return IRQ_NONE; - - ioaddr = dev->base_addr; - - DEBUG(3, "%s: SMC91c92 interrupt %d at %#x.\n", dev->name, - irq, ioaddr); - - smc->watchdog = 0; - saved_bank = inw(ioaddr + BANK_SELECT); - if ((saved_bank & 0xff00) != 0x3300) { - /* The device does not exist -- the card could be off-line, or - maybe it has been ejected. */ - DEBUG(1, "%s: SMC91c92 interrupt %d for non-existent" - "/ejected device.\n", dev->name, irq); - handled = 0; - goto irq_done; - } - - SMC_SELECT_BANK(2); - saved_pointer = inw(ioaddr + POINTER); - mask = inw(ioaddr + INTERRUPT) >> 8; - /* clear all interrupts */ - outw(0, ioaddr + INTERRUPT); - - do { /* read the status flag, and mask it */ - status = inw(ioaddr + INTERRUPT) & 0xff; - DEBUG(3, "%s: Status is %#2.2x (mask %#2.2x).\n", dev->name, - status, mask); - if ((status & mask) == 0) { - if (bogus_cnt == INTR_WORK) - handled = 0; - break; - } - if (status & IM_RCV_INT) { - /* Got a packet(s). */ - smc_rx(dev); - } - if (status & IM_TX_INT) { - smc_tx_err(dev); - outw(IM_TX_INT, ioaddr + INTERRUPT); - } - status &= mask; - if (status & IM_TX_EMPTY_INT) { - outw(IM_TX_EMPTY_INT, ioaddr + INTERRUPT); - mask &= ~IM_TX_EMPTY_INT; - smc->stats.tx_packets += smc->packets_waiting; - smc->packets_waiting = 0; - } - if (status & IM_ALLOC_INT) { - /* Clear this interrupt so it doesn't happen again */ - mask &= ~IM_ALLOC_INT; - - smc_hardware_send_packet(dev); - - /* enable xmit interrupts based on this */ - mask |= (IM_TX_EMPTY_INT | IM_TX_INT); - - /* and let the card send more packets to me */ - netif_wake_queue(dev); - } - if (status & IM_RX_OVRN_INT) { - smc->stats.rx_errors++; - smc->stats.rx_fifo_errors++; - if (smc->duplex) - smc->rx_ovrn = 1; /* need MC_RESET outside smc_interrupt */ - outw(IM_RX_OVRN_INT, ioaddr + INTERRUPT); - } - if (status & IM_EPH_INT) - smc_eph_irq(dev); - } while (--bogus_cnt); - - DEBUG(3, " Restoring saved registers mask %2.2x bank %4.4x" - " pointer %4.4x.\n", mask, saved_bank, saved_pointer); - - /* restore state register */ - outw((mask<<8), ioaddr + INTERRUPT); - outw(saved_pointer, ioaddr + POINTER); - SMC_SELECT_BANK(saved_bank); - - DEBUG(3, "%s: Exiting interrupt IRQ%d.\n", dev->name, irq); - -irq_done: - - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) { - /* Retrigger interrupt if needed */ - mask_bits(0x00ff, ioaddr-0x10+OSITECH_RESET_ISR); - set_bits(0x0300, ioaddr-0x10+OSITECH_RESET_ISR); - } - if (smc->manfid == MANFID_MOTOROLA) { - u_char cor; - cor = readb(smc->base + MOT_UART + CISREG_COR); - writeb(cor & ~COR_IREQ_ENA, smc->base + MOT_UART + CISREG_COR); - writeb(cor, smc->base + MOT_UART + CISREG_COR); - cor = readb(smc->base + MOT_LAN + CISREG_COR); - writeb(cor & ~COR_IREQ_ENA, smc->base + MOT_LAN + CISREG_COR); - writeb(cor, smc->base + MOT_LAN + CISREG_COR); - } -#ifdef DOES_NOT_WORK - if (smc->base != NULL) { /* Megahertz MFC's */ - readb(smc->base+MEGAHERTZ_ISR); - readb(smc->base+MEGAHERTZ_ISR); - } -#endif - return IRQ_RETVAL(handled); -} - -/*====================================================================*/ - -static void smc_rx(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - int rx_status; - int packet_length; /* Caution: not frame length, rather words - to transfer from the chip. */ - - /* Assertion: we are in Window 2. */ - - if (inw(ioaddr + FIFO_PORTS) & FP_RXEMPTY) { - printk(KERN_ERR "%s: smc_rx() with nothing on Rx FIFO.\n", - dev->name); - return; - } - - /* Reset the read pointer, and read the status and packet length. */ - outw(PTR_READ | PTR_RCV | PTR_AUTOINC, ioaddr + POINTER); - rx_status = inw(ioaddr + DATA_1); - packet_length = inw(ioaddr + DATA_1) & 0x07ff; - - DEBUG(2, "%s: Receive status %4.4x length %d.\n", - dev->name, rx_status, packet_length); - - if (!(rx_status & RS_ERRORS)) { - /* do stuff to make a new packet */ - struct sk_buff *skb; - - /* Note: packet_length adds 5 or 6 extra bytes here! */ - skb = dev_alloc_skb(packet_length+2); - - if (skb == NULL) { - DEBUG(1, "%s: Low memory, packet dropped.\n", dev->name); - smc->stats.rx_dropped++; - outw(MC_RELEASE, ioaddr + MMU_CMD); - return; - } - - packet_length -= (rx_status & RS_ODDFRAME ? 5 : 6); - skb_reserve(skb, 2); - insw(ioaddr+DATA_1, skb_put(skb, packet_length), - (packet_length+1)>>1); - skb->protocol = eth_type_trans(skb, dev); - - skb->dev = dev; - netif_rx(skb); - dev->last_rx = jiffies; - smc->stats.rx_packets++; - smc->stats.rx_bytes += packet_length; - if (rx_status & RS_MULTICAST) - smc->stats.multicast++; - } else { - /* error ... */ - smc->stats.rx_errors++; - - if (rx_status & RS_ALGNERR) smc->stats.rx_frame_errors++; - if (rx_status & (RS_TOOSHORT | RS_TOOLONG)) - smc->stats.rx_length_errors++; - if (rx_status & RS_BADCRC) smc->stats.rx_crc_errors++; - } - /* Let the MMU free the memory of this packet. */ - outw(MC_RELEASE, ioaddr + MMU_CMD); - - return; -} - -/*====================================================================*/ - -static struct net_device_stats *smc_get_stats(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - /* Nothing to update - the 91c92 is a pretty primative chip. */ - return &smc->stats; -} - -/*====================================================================== - - Calculate values for the hardware multicast filter hash table. - -======================================================================*/ - -static void fill_multicast_tbl(int count, struct dev_mc_list *addrs, - u_char *multicast_table) -{ - struct dev_mc_list *mc_addr; - - for (mc_addr = addrs; mc_addr && count-- > 0; mc_addr = mc_addr->next) { - u_int position = ether_crc(6, mc_addr->dmi_addr); -#ifndef final_version /* Verify multicast address. */ - if ((mc_addr->dmi_addr[0] & 1) == 0) - continue; -#endif - multicast_table[position >> 29] |= 1 << ((position >> 26) & 7); - } -} - -/*====================================================================== - - Set the receive mode. - - This routine is used by both the protocol level to notify us of - promiscuous/multicast mode changes, and by the open/reset code to - initialize the Rx registers. We always set the multicast list and - leave the receiver running. - -======================================================================*/ - -static void set_rx_mode(struct net_device *dev) -{ - kio_addr_t ioaddr = dev->base_addr; - struct smc_private *smc = netdev_priv(dev); - u_int multicast_table[ 2 ] = { 0, }; - unsigned long flags; - u_short rx_cfg_setting; - - if (dev->flags & IFF_PROMISC) { - printk(KERN_NOTICE "%s: setting Rx mode to promiscuous.\n", dev->name); - rx_cfg_setting = RxStripCRC | RxEnable | RxPromisc | RxAllMulti; - } else if (dev->flags & IFF_ALLMULTI) - rx_cfg_setting = RxStripCRC | RxEnable | RxAllMulti; - else { - if (dev->mc_count) { - fill_multicast_tbl(dev->mc_count, dev->mc_list, - (u_char *)multicast_table); - } - rx_cfg_setting = RxStripCRC | RxEnable; - } - - /* Load MC table and Rx setting into the chip without interrupts. */ - spin_lock_irqsave(&smc->lock, flags); - SMC_SELECT_BANK(3); - outl(multicast_table[0], ioaddr + MULTICAST0); - outl(multicast_table[1], ioaddr + MULTICAST4); - SMC_SELECT_BANK(0); - outw(rx_cfg_setting, ioaddr + RCR); - SMC_SELECT_BANK(2); - spin_unlock_irqrestore(&smc->lock, flags); - - return; -} - -/*====================================================================== - - Senses when a card's config changes. Here, it's coax or TP. - -======================================================================*/ - -static int s9k_config(struct net_device *dev, struct ifmap *map) -{ - struct smc_private *smc = netdev_priv(dev); - if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { - if (smc->cfg & CFG_MII_SELECT) - return -EOPNOTSUPP; - else if (map->port > 2) - return -EINVAL; - dev->if_port = map->port; - printk(KERN_INFO "%s: switched to %s port\n", - dev->name, if_names[dev->if_port]); - smc_reset(dev); - } - return 0; -} - -/*====================================================================== - - Reset the chip, reloading every register that might be corrupted. - -======================================================================*/ - -/* - Set transceiver type, perhaps to something other than what the user - specified in dev->if_port. -*/ -static void smc_set_xcvr(struct net_device *dev, int if_port) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u_short saved_bank; - - saved_bank = inw(ioaddr + BANK_SELECT); - SMC_SELECT_BANK(1); - if (if_port == 2) { - outw(smc->cfg | CFG_AUI_SELECT, ioaddr + CONFIG); - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) - set_bits(OSI_AUI_PWR, ioaddr - 0x10 + OSITECH_AUI_PWR); - smc->media_status = ((dev->if_port == 0) ? 0x0001 : 0x0002); - } else { - outw(smc->cfg, ioaddr + CONFIG); - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) - mask_bits(~OSI_AUI_PWR, ioaddr - 0x10 + OSITECH_AUI_PWR); - smc->media_status = ((dev->if_port == 0) ? 0x0012 : 0x4001); - } - SMC_SELECT_BANK(saved_bank); -} - -static void smc_reset(struct net_device *dev) -{ - kio_addr_t ioaddr = dev->base_addr; - struct smc_private *smc = netdev_priv(dev); - int i; - - DEBUG(0, "%s: smc91c92 reset called.\n", dev->name); - - /* The first interaction must be a write to bring the chip out - of sleep mode. */ - SMC_SELECT_BANK(0); - /* Reset the chip. */ - outw(RCR_SOFTRESET, ioaddr + RCR); - udelay(10); - - /* Clear the transmit and receive configuration registers. */ - outw(RCR_CLEAR, ioaddr + RCR); - outw(TCR_CLEAR, ioaddr + TCR); - - /* Set the Window 1 control, configuration and station addr registers. - No point in writing the I/O base register ;-> */ - SMC_SELECT_BANK(1); - /* Automatically release succesfully transmitted packets, - Accept link errors, counter and Tx error interrupts. */ - outw(CTL_AUTO_RELEASE | CTL_TE_ENABLE | CTL_CR_ENABLE, - ioaddr + CONTROL); - smc_set_xcvr(dev, dev->if_port); - if ((smc->manfid == MANFID_OSITECH) && - (smc->cardid != PRODID_OSITECH_SEVEN)) - outw((dev->if_port == 2 ? OSI_AUI_PWR : 0) | - (inw(ioaddr-0x10+OSITECH_AUI_PWR) & 0xff00), - ioaddr - 0x10 + OSITECH_AUI_PWR); - - /* Fill in the physical address. The databook is wrong about the order! */ - for (i = 0; i < 6; i += 2) - outw((dev->dev_addr[i+1]<<8)+dev->dev_addr[i], - ioaddr + ADDR0 + i); - - /* Reset the MMU */ - SMC_SELECT_BANK(2); - outw(MC_RESET, ioaddr + MMU_CMD); - outw(0, ioaddr + INTERRUPT); - - /* Re-enable the chip. */ - SMC_SELECT_BANK(0); - outw(((smc->cfg & CFG_MII_SELECT) ? 0 : TCR_MONCSN) | - TCR_ENABLE | TCR_PAD_EN | smc->duplex, ioaddr + TCR); - set_rx_mode(dev); - - if (smc->cfg & CFG_MII_SELECT) { - SMC_SELECT_BANK(3); - - /* Reset MII */ - mdio_write(dev, smc->mii_if.phy_id, 0, 0x8000); - - /* Advertise 100F, 100H, 10F, 10H */ - mdio_write(dev, smc->mii_if.phy_id, 4, 0x01e1); - - /* Restart MII autonegotiation */ - mdio_write(dev, smc->mii_if.phy_id, 0, 0x0000); - mdio_write(dev, smc->mii_if.phy_id, 0, 0x1200); - } - - /* Enable interrupts. */ - SMC_SELECT_BANK(2); - outw((IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT) << 8, - ioaddr + INTERRUPT); -} - -/*====================================================================== - - Media selection timer routine - -======================================================================*/ - -static void media_check(u_long arg) -{ - struct net_device *dev = (struct net_device *) arg; - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u_short i, media, saved_bank; - u_short link; - - saved_bank = inw(ioaddr + BANK_SELECT); - - if (!netif_device_present(dev)) - goto reschedule; - - SMC_SELECT_BANK(2); - - /* need MC_RESET to keep the memory consistent. errata? */ - if (smc->rx_ovrn) { - outw(MC_RESET, ioaddr + MMU_CMD); - smc->rx_ovrn = 0; - } - i = inw(ioaddr + INTERRUPT); - SMC_SELECT_BANK(0); - media = inw(ioaddr + EPH) & EPH_LINK_OK; - SMC_SELECT_BANK(1); - media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1; - - /* Check for pending interrupt with watchdog flag set: with - this, we can limp along even if the interrupt is blocked */ - if (smc->watchdog++ && ((i>>8) & i)) { - if (!smc->fast_poll) - printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name); - smc_interrupt(dev->irq, smc, NULL); - smc->fast_poll = HZ; - } - if (smc->fast_poll) { - smc->fast_poll--; - smc->media.expires = jiffies + HZ/100; - add_timer(&smc->media); - SMC_SELECT_BANK(saved_bank); - return; - } - - if (smc->cfg & CFG_MII_SELECT) { - if (smc->mii_if.phy_id < 0) - goto reschedule; - - SMC_SELECT_BANK(3); - link = mdio_read(dev, smc->mii_if.phy_id, 1); - if (!link || (link == 0xffff)) { - printk(KERN_INFO "%s: MII is missing!\n", dev->name); - smc->mii_if.phy_id = -1; - goto reschedule; - } - - link &= 0x0004; - if (link != smc->link_status) { - u_short p = mdio_read(dev, smc->mii_if.phy_id, 5); - printk(KERN_INFO "%s: %s link beat\n", dev->name, - (link) ? "found" : "lost"); - smc->duplex = (((p & 0x0100) || ((p & 0x1c0) == 0x40)) - ? TCR_FDUPLX : 0); - if (link) { - printk(KERN_INFO "%s: autonegotiation complete: " - "%sbaseT-%cD selected\n", dev->name, - ((p & 0x0180) ? "100" : "10"), - (smc->duplex ? 'F' : 'H')); - } - SMC_SELECT_BANK(0); - outw(inw(ioaddr + TCR) | smc->duplex, ioaddr + TCR); - smc->link_status = link; - } - goto reschedule; - } - - /* Ignore collisions unless we've had no rx's recently */ - if (time_after(jiffies, dev->last_rx + HZ)) { - if (smc->tx_err || (smc->media_status & EPH_16COL)) - media |= EPH_16COL; - } - smc->tx_err = 0; - - if (media != smc->media_status) { - if ((media & smc->media_status & 1) && - ((smc->media_status ^ media) & EPH_LINK_OK)) - printk(KERN_INFO "%s: %s link beat\n", dev->name, - (smc->media_status & EPH_LINK_OK ? "lost" : "found")); - else if ((media & smc->media_status & 2) && - ((smc->media_status ^ media) & EPH_16COL)) - printk(KERN_INFO "%s: coax cable %s\n", dev->name, - (media & EPH_16COL ? "problem" : "ok")); - if (dev->if_port == 0) { - if (media & 1) { - if (media & EPH_LINK_OK) - printk(KERN_INFO "%s: flipped to 10baseT\n", - dev->name); - else - smc_set_xcvr(dev, 2); - } else { - if (media & EPH_16COL) - smc_set_xcvr(dev, 1); - else - printk(KERN_INFO "%s: flipped to 10base2\n", - dev->name); - } - } - smc->media_status = media; - } - -reschedule: - smc->media.expires = jiffies + HZ; - add_timer(&smc->media); - SMC_SELECT_BANK(saved_bank); -} - -static int smc_link_ok(struct net_device *dev) -{ - kio_addr_t ioaddr = dev->base_addr; - struct smc_private *smc = netdev_priv(dev); - - if (smc->cfg & CFG_MII_SELECT) { - return mii_link_ok(&smc->mii_if); - } else { - SMC_SELECT_BANK(0); - return inw(ioaddr + EPH) & EPH_LINK_OK; - } -} - -static int smc_netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - u16 tmp; - kio_addr_t ioaddr = dev->base_addr; - - ecmd->supported = (SUPPORTED_TP | SUPPORTED_AUI | - SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full); - - SMC_SELECT_BANK(1); - tmp = inw(ioaddr + CONFIG); - ecmd->port = (tmp & CFG_AUI_SELECT) ? PORT_AUI : PORT_TP; - ecmd->transceiver = XCVR_INTERNAL; - ecmd->speed = SPEED_10; - ecmd->phy_address = ioaddr + MGMT; - - SMC_SELECT_BANK(0); - tmp = inw(ioaddr + TCR); - ecmd->duplex = (tmp & TCR_FDUPLX) ? DUPLEX_FULL : DUPLEX_HALF; - - return 0; -} - -static int smc_netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - u16 tmp; - kio_addr_t ioaddr = dev->base_addr; - - if (ecmd->speed != SPEED_10) - return -EINVAL; - if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL) - return -EINVAL; - if (ecmd->port != PORT_TP && ecmd->port != PORT_AUI) - return -EINVAL; - if (ecmd->transceiver != XCVR_INTERNAL) - return -EINVAL; - - if (ecmd->port == PORT_AUI) - smc_set_xcvr(dev, 1); - else - smc_set_xcvr(dev, 0); - - SMC_SELECT_BANK(0); - tmp = inw(ioaddr + TCR); - if (ecmd->duplex == DUPLEX_FULL) - tmp |= TCR_FDUPLX; - else - tmp &= ~TCR_FDUPLX; - outw(tmp, ioaddr + TCR); - - return 0; -} - -static int check_if_running(struct net_device *dev) -{ - if (!netif_running(dev)) - return -EINVAL; - return 0; -} - -static void smc_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); -} - -static int smc_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u16 saved_bank = inw(ioaddr + BANK_SELECT); - int ret; - - SMC_SELECT_BANK(3); - spin_lock_irq(&smc->lock); - if (smc->cfg & CFG_MII_SELECT) - ret = mii_ethtool_gset(&smc->mii_if, ecmd); - else - ret = smc_netdev_get_ecmd(dev, ecmd); - spin_unlock_irq(&smc->lock); - SMC_SELECT_BANK(saved_bank); - return ret; -} - -static int smc_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u16 saved_bank = inw(ioaddr + BANK_SELECT); - int ret; - - SMC_SELECT_BANK(3); - spin_lock_irq(&smc->lock); - if (smc->cfg & CFG_MII_SELECT) - ret = mii_ethtool_sset(&smc->mii_if, ecmd); - else - ret = smc_netdev_set_ecmd(dev, ecmd); - spin_unlock_irq(&smc->lock); - SMC_SELECT_BANK(saved_bank); - return ret; -} - -static u32 smc_get_link(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - kio_addr_t ioaddr = dev->base_addr; - u16 saved_bank = inw(ioaddr + BANK_SELECT); - u32 ret; - - SMC_SELECT_BANK(3); - spin_lock_irq(&smc->lock); - ret = smc_link_ok(dev); - spin_unlock_irq(&smc->lock); - SMC_SELECT_BANK(saved_bank); - return ret; -} - -#ifdef PCMCIA_DEBUG -static u32 smc_get_msglevel(struct net_device *dev) -{ - return pc_debug; -} - -static void smc_set_msglevel(struct net_device *dev, u32 val) -{ - pc_debug = val; -} -#endif - -static int smc_nway_reset(struct net_device *dev) -{ - struct smc_private *smc = netdev_priv(dev); - if (smc->cfg & CFG_MII_SELECT) { - kio_addr_t ioaddr = dev->base_addr; - u16 saved_bank = inw(ioaddr + BANK_SELECT); - int res; - - SMC_SELECT_BANK(3); - res = mii_nway_restart(&smc->mii_if); - SMC_SELECT_BANK(saved_bank); - - return res; - } else - return -EOPNOTSUPP; -} - -static struct ethtool_ops ethtool_ops = { - .begin = check_if_running, - .get_drvinfo = smc_get_drvinfo, - .get_settings = smc_get_settings, - .set_settings = smc_set_settings, - .get_link = smc_get_link, -#ifdef PCMCIA_DEBUG - .get_msglevel = smc_get_msglevel, - .set_msglevel = smc_set_msglevel, -#endif - .nway_reset = smc_nway_reset, -}; - -static int smc_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct smc_private *smc = netdev_priv(dev); - struct mii_ioctl_data *mii = if_mii(rq); - int rc = 0; - u16 saved_bank; - kio_addr_t ioaddr = dev->base_addr; - - if (!netif_running(dev)) - return -EINVAL; - - spin_lock_irq(&smc->lock); - saved_bank = inw(ioaddr + BANK_SELECT); - SMC_SELECT_BANK(3); - rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL); - SMC_SELECT_BANK(saved_bank); - spin_unlock_irq(&smc->lock); - return rc; -} - -static struct pcmcia_device_id smc91c92_ids[] = { - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0109, 0x0501), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0140, 0x000a), - PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "CC/XJEM3288", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x04cd2988, 0x46a52d63), - PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "CC/XJEM3336", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x0143b773, 0x46a52d63), - PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "EM1144T", "PCMCIA MODEM", 0xf510db04, 0x856d66c8, 0xbd6c43ef), - PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "XJEM1144/CCEM1144", "PCMCIA MODEM", 0xf510db04, 0x52d21e1e, 0xbd6c43ef), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "Gateway 2000", "XJEM3336", 0xdd9989be, 0x662c394c), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "MEGAHERTZ", "XJEM1144/CCEM1144", 0xf510db04, 0x52d21e1e), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "Ositech", "Trumpcard:Jack of Diamonds Modem+Ethernet", 0xc2f80cd, 0x656947b9), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "Ositech", "Trumpcard:Jack of Hearts Modem+Ethernet", 0xc2f80cd, 0xdc9ba5ed), - PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x016c, 0x0020), - PCMCIA_DEVICE_MANF_CARD(0x016c, 0x0023), - PCMCIA_DEVICE_PROD_ID123("BASICS by New Media Corporation", "Ethernet", "SMC91C94", 0x23c78a9d, 0x00b2e941, 0xcef397fb), - PCMCIA_DEVICE_PROD_ID12("ARGOSY", "Fast Ethernet PCCard", 0x78f308dc, 0xdcea68bc), - PCMCIA_DEVICE_PROD_ID12("dit Co., Ltd.", "PC Card-10/100BTX", 0xe59365c8, 0x6a2161d1), - PCMCIA_DEVICE_PROD_ID12("DYNALINK", "L100C", 0x6a26d1cf, 0xc16ce9c5), - PCMCIA_DEVICE_PROD_ID12("Farallon", "Farallon Enet", 0x58d93fc4, 0x244734e9), - PCMCIA_DEVICE_PROD_ID12("Megahertz", "CC10BT/2", 0x33234748, 0x3c95b953), - PCMCIA_DEVICE_PROD_ID12("MELCO/SMC", "LPC-TX", 0xa2cd8e6d, 0x42da662a), - PCMCIA_DEVICE_PROD_ID12("Ositech", "Trumpcard:Four of Diamonds Ethernet", 0xc2f80cd, 0xb3466314), - PCMCIA_DEVICE_PROD_ID12("Ositech", "Trumpcard:Seven of Diamonds Ethernet", 0xc2f80cd, 0x194b650a), - PCMCIA_DEVICE_PROD_ID12("PCMCIA", "Fast Ethernet PCCard", 0x281f1c5d, 0xdcea68bc), - PCMCIA_DEVICE_PROD_ID12("Psion", "10Mb Ethernet", 0x4ef00b21, 0x844be9e9), - PCMCIA_DEVICE_PROD_ID12("SMC", "EtherEZ Ethernet 8020", 0xc4f8b18b, 0x4a0eeb2d), - /* These conflict with other cards! */ - /* PCMCIA_DEVICE_MANF_CARD(0x0186, 0x0100), */ - /* PCMCIA_DEVICE_MANF_CARD(0x8a01, 0xc1ab), */ - PCMCIA_DEVICE_NULL, -}; -MODULE_DEVICE_TABLE(pcmcia, smc91c92_ids); - -static struct pcmcia_driver smc91c92_cs_driver = { - .owner = THIS_MODULE, - .drv = { - .name = "smc91c92_cs", - }, - .probe = smc91c92_attach, - .remove = smc91c92_detach, - .id_table = smc91c92_ids, - .suspend = smc91c92_suspend, - .resume = smc91c92_resume, -}; - -static int __init init_smc91c92_cs(void) -{ - return pcmcia_register_driver(&smc91c92_cs_driver); -} - -static void __exit exit_smc91c92_cs(void) -{ - pcmcia_unregister_driver(&smc91c92_cs_driver); -} - -module_init(init_smc91c92_cs); -module_exit(exit_smc91c92_cs); |