diff options
Diffstat (limited to 'drivers/net/pcmcia/xirc2ps_cs.c')
| -rw-r--r-- | drivers/net/pcmcia/xirc2ps_cs.c | 1939 |
1 files changed, 0 insertions, 1939 deletions
diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c deleted file mode 100644 index d041f831a18..00000000000 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ /dev/null @@ -1,1939 +0,0 @@ -/* [xirc2ps_cs.c wk 03.11.99] (1.40 1999/11/18 00:06:03) - * Xircom CreditCard Ethernet Adapter IIps driver - * Xircom Realport 10/100 (RE-100) driver - * - * This driver supports various Xircom CreditCard Ethernet adapters - * including the CE2, CE IIps, RE-10, CEM28, CEM33, CE33, CEM56, - * CE3-100, CE3B, RE-100, REM10BT, and REM56G-100. - * - * 2000-09-24 <psheer@icon.co.za> The Xircom CE3B-100 may not - * autodetect the media properly. In this case use the - * if_port=1 (for 10BaseT) or if_port=4 (for 100BaseT) options - * to force the media type. - * - * Written originally by Werner Koch based on David Hinds' skeleton of the - * PCMCIA driver. - * - * Copyright (c) 1997,1998 Werner Koch (dd9jn) - * - * This driver is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * It is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * - * ALTERNATIVELY, this driver may be distributed under the terms of - * the following license, in which case the provisions of this license - * are required INSTEAD OF the GNU General Public License. (This clause - * is necessary due to a potential bad interaction between the GPL and - * the restrictions contained in a BSD-style copyright.) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/in.h> -#include <linux/delay.h> -#include <linux/ethtool.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/bitops.h> - -#include <pcmcia/cs_types.h> -#include <pcmcia/cs.h> -#include <pcmcia/cistpl.h> -#include <pcmcia/cisreg.h> -#include <pcmcia/ciscode.h> - -#include <asm/io.h> -#include <asm/system.h> -#include <asm/uaccess.h> - -#ifndef MANFID_COMPAQ - #define MANFID_COMPAQ 0x0138 - #define MANFID_COMPAQ2 0x0183 /* is this correct? */ -#endif - -#include <pcmcia/ds.h> - -/* Time in jiffies before concluding Tx hung */ -#define TX_TIMEOUT ((400*HZ)/1000) - -/**************** - * Some constants used to access the hardware - */ - -/* Register offsets and value constans */ -#define XIRCREG_CR 0 /* Command register (wr) */ -enum xirc_cr { - TransmitPacket = 0x01, - SoftReset = 0x02, - EnableIntr = 0x04, - ForceIntr = 0x08, - ClearTxFIFO = 0x10, - ClearRxOvrun = 0x20, - RestartTx = 0x40 -}; -#define XIRCREG_ESR 0 /* Ethernet status register (rd) */ -enum xirc_esr { - FullPktRcvd = 0x01, /* full packet in receive buffer */ - PktRejected = 0x04, /* a packet has been rejected */ - TxPktPend = 0x08, /* TX Packet Pending */ - IncorPolarity = 0x10, - MediaSelect = 0x20 /* set if TP, clear if AUI */ -}; -#define XIRCREG_PR 1 /* Page Register select */ -#define XIRCREG_EDP 4 /* Ethernet Data Port Register */ -#define XIRCREG_ISR 6 /* Ethernet Interrupt Status Register */ -enum xirc_isr { - TxBufOvr = 0x01, /* TX Buffer Overflow */ - PktTxed = 0x02, /* Packet Transmitted */ - MACIntr = 0x04, /* MAC Interrupt occurred */ - TxResGrant = 0x08, /* Tx Reservation Granted */ - RxFullPkt = 0x20, /* Rx Full Packet */ - RxPktRej = 0x40, /* Rx Packet Rejected */ - ForcedIntr= 0x80 /* Forced Interrupt */ -}; -#define XIRCREG1_IMR0 12 /* Ethernet Interrupt Mask Register (on page 1)*/ -#define XIRCREG1_IMR1 13 -#define XIRCREG0_TSO 8 /* Transmit Space Open Register (on page 0)*/ -#define XIRCREG0_TRS 10 /* Transmit reservation Size Register (page 0)*/ -#define XIRCREG0_DO 12 /* Data Offset Register (page 0) (wr) */ -#define XIRCREG0_RSR 12 /* Receive Status Register (page 0) (rd) */ -enum xirc_rsr { - PhyPkt = 0x01, /* set:physical packet, clear: multicast packet */ - BrdcstPkt = 0x02, /* set if it is a broadcast packet */ - PktTooLong = 0x04, /* set if packet length > 1518 */ - AlignErr = 0x10, /* incorrect CRC and last octet not complete */ - CRCErr = 0x20, /* incorrect CRC and last octet is complete */ - PktRxOk = 0x80 /* received ok */ -}; -#define XIRCREG0_PTR 13 /* packets transmitted register (rd) */ -#define XIRCREG0_RBC 14 /* receive byte count regsister (rd) */ -#define XIRCREG1_ECR 14 /* ethernet configurationn register */ -enum xirc_ecr { - FullDuplex = 0x04, /* enable full duplex mode */ - LongTPMode = 0x08, /* adjust for longer lengths of TP cable */ - DisablePolCor = 0x10,/* disable auto polarity correction */ - DisableLinkPulse = 0x20, /* disable link pulse generation */ - DisableAutoTx = 0x40, /* disable auto-transmit */ -}; -#define XIRCREG2_RBS 8 /* receive buffer start register */ -#define XIRCREG2_LED 10 /* LED Configuration register */ -/* values for the leds: Bits 2-0 for led 1 - * 0 disabled Bits 5-3 for led 2 - * 1 collision - * 2 noncollision - * 3 link_detected - * 4 incor_polarity - * 5 jabber - * 6 auto_assertion - * 7 rx_tx_activity - */ -#define XIRCREG2_MSR 12 /* Mohawk specific register */ - -#define XIRCREG4_GPR0 8 /* General Purpose Register 0 */ -#define XIRCREG4_GPR1 9 /* General Purpose Register 1 */ -#define XIRCREG2_GPR2 13 /* General Purpose Register 2 (page2!)*/ -#define XIRCREG4_BOV 10 /* Bonding Version Register */ -#define XIRCREG4_LMA 12 /* Local Memory Address Register */ -#define XIRCREG4_LMD 14 /* Local Memory Data Port */ -/* MAC register can only by accessed with 8 bit operations */ -#define XIRCREG40_CMD0 8 /* Command Register (wr) */ -enum xirc_cmd { /* Commands */ - Transmit = 0x01, - EnableRecv = 0x04, - DisableRecv = 0x08, - Abort = 0x10, - Online = 0x20, - IntrAck = 0x40, - Offline = 0x80 -}; -#define XIRCREG5_RHSA0 10 /* Rx Host Start Address */ -#define XIRCREG40_RXST0 9 /* Receive Status Register */ -#define XIRCREG40_TXST0 11 /* Transmit Status Register 0 */ -#define XIRCREG40_TXST1 12 /* Transmit Status Register 10 */ -#define XIRCREG40_RMASK0 13 /* Receive Mask Register */ -#define XIRCREG40_TMASK0 14 /* Transmit Mask Register 0 */ -#define XIRCREG40_TMASK1 15 /* Transmit Mask Register 0 */ -#define XIRCREG42_SWC0 8 /* Software Configuration 0 */ -#define XIRCREG42_SWC1 9 /* Software Configuration 1 */ -#define XIRCREG42_BOC 10 /* Back-Off Configuration */ -#define XIRCREG44_TDR0 8 /* Time Domain Reflectometry 0 */ -#define XIRCREG44_TDR1 9 /* Time Domain Reflectometry 1 */ -#define XIRCREG44_RXBC_LO 10 /* Rx Byte Count 0 (rd) */ -#define XIRCREG44_RXBC_HI 11 /* Rx Byte Count 1 (rd) */ -#define XIRCREG45_REV 15 /* Revision Register (rd) */ -#define XIRCREG50_IA 8 /* Individual Address (8-13) */ - -static const char *if_names[] = { "Auto", "10BaseT", "10Base2", "AUI", "100BaseT" }; - -/**************** - * All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If - * you do not define PCMCIA_DEBUG at all, all the debug code will be - * left out. If you compile with PCMCIA_DEBUG=0, the debug code will - * be present but disabled -- but it can then be enabled for specific - * modules at load time with a 'pc_debug=#' option to insmod. - */ -#ifdef PCMCIA_DEBUG -static int pc_debug = PCMCIA_DEBUG; -module_param(pc_debug, int, 0); -#define DEBUG(n, args...) if (pc_debug>(n)) printk(KDBG_XIRC args) -#else -#define DEBUG(n, args...) -#endif - -#define KDBG_XIRC KERN_DEBUG "xirc2ps_cs: " -#define KERR_XIRC KERN_ERR "xirc2ps_cs: " -#define KWRN_XIRC KERN_WARNING "xirc2ps_cs: " -#define KNOT_XIRC KERN_NOTICE "xirc2ps_cs: " -#define KINF_XIRC KERN_INFO "xirc2ps_cs: " - -/* card types */ -#define XIR_UNKNOWN 0 /* unknown: not supported */ -#define XIR_CE 1 /* (prodid 1) different hardware: not supported */ -#define XIR_CE2 2 /* (prodid 2) */ -#define XIR_CE3 3 /* (prodid 3) */ -#define XIR_CEM 4 /* (prodid 1) different hardware: not supported */ -#define XIR_CEM2 5 /* (prodid 2) */ -#define XIR_CEM3 6 /* (prodid 3) */ -#define XIR_CEM33 7 /* (prodid 4) */ -#define XIR_CEM56M 8 /* (prodid 5) */ -#define XIR_CEM56 9 /* (prodid 6) */ -#define XIR_CM28 10 /* (prodid 3) modem only: not supported here */ -#define XIR_CM33 11 /* (prodid 4) modem only: not supported here */ -#define XIR_CM56 12 /* (prodid 5) modem only: not supported here */ -#define XIR_CG 13 /* (prodid 1) GSM modem only: not supported */ -#define XIR_CBE 14 /* (prodid 1) cardbus ethernet: not supported */ -/*====================================================================*/ - -/* Module parameters */ - -MODULE_DESCRIPTION("Xircom PCMCIA ethernet driver"); -MODULE_LICENSE("Dual MPL/GPL"); - -#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) - -INT_MODULE_PARM(if_port, 0); -INT_MODULE_PARM(full_duplex, 0); -INT_MODULE_PARM(do_sound, 1); -INT_MODULE_PARM(lockup_hack, 0); /* anti lockup hack */ - -/*====================================================================*/ - -/* We do not process more than these number of bytes during one - * interrupt. (Of course we receive complete packets, so this is not - * an exact value). - * Something between 2000..22000; first value gives best interrupt latency, - * the second enables the usage of the complete on-chip buffer. We use the - * high value as the initial value. - */ -static unsigned maxrx_bytes = 22000; - -/* MII management prototypes */ -static void mii_idle(unsigned int ioaddr); -static void mii_putbit(unsigned int ioaddr, unsigned data); -static int mii_getbit(unsigned int ioaddr); -static void mii_wbits(unsigned int ioaddr, unsigned data, int len); -static unsigned mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg); -static void mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg, - unsigned data, int len); - -/* - * The event() function is this driver's Card Services event handler. - * It will be called by Card Services when an appropriate card status - * event is received. The config() and release() entry points are - * used to configure or release a socket, in response to card insertion - * and ejection events. They are invoked from the event handler. - */ - -static int has_ce2_string(struct pcmcia_device * link); -static int xirc2ps_config(struct pcmcia_device * link); -static void xirc2ps_release(struct pcmcia_device * link); - -/**************** - * The attach() and detach() entry points are used to create and destroy - * "instances" of the driver, where each instance represents everything - * needed to manage one actual PCMCIA card. - */ - -static void xirc2ps_detach(struct pcmcia_device *p_dev); - -/**************** - * You'll also need to prototype all the functions that will actually - * be used to talk to your device. See 'pcmem_cs' for a good example - * of a fully self-sufficient driver; the other drivers rely more or - * less on other parts of the kernel. - */ - -static irqreturn_t xirc2ps_interrupt(int irq, void *dev_id); - -/**************** - * A linked list of "instances" of the device. Each actual - * PCMCIA card corresponds to one device instance, and is described - * by one struct pcmcia_device structure (defined in ds.h). - * - * You may not want to use a linked list for this -- for example, the - * memory card driver uses an array of struct pcmcia_device pointers, where minor - * device numbers are used to derive the corresponding array index. - */ - -/**************** - * A driver needs to provide a dev_node_t structure for each device - * on a card. In some cases, there is only one device per card (for - * example, ethernet cards, modems). In other cases, there may be - * many actual or logical devices (SCSI adapters, memory cards with - * multiple partitions). The dev_node_t structures need to be kept - * in a linked list starting at the 'dev' field of a struct pcmcia_device - * structure. We allocate them in the card's private data structure, - * because they generally can't be allocated dynamically. - */ - -typedef struct local_info_t { - struct net_device *dev; - struct pcmcia_device *p_dev; - dev_node_t node; - struct net_device_stats stats; - int card_type; - int probe_port; - int silicon; /* silicon revision. 0=old CE2, 1=Scipper, 4=Mohawk */ - int mohawk; /* a CE3 type card */ - int dingo; /* a CEM56 type card */ - int new_mii; /* has full 10baseT/100baseT MII */ - int modem; /* is a multi function card (i.e with a modem) */ - void __iomem *dingo_ccr; /* only used for CEM56 cards */ - unsigned last_ptr_value; /* last packets transmitted value */ - const char *manf_str; - struct work_struct tx_timeout_task; -} local_info_t; - -/**************** - * Some more prototypes - */ -static int do_start_xmit(struct sk_buff *skb, struct net_device *dev); -static void do_tx_timeout(struct net_device *dev); -static void xirc2ps_tx_timeout_task(struct work_struct *work); -static struct net_device_stats *do_get_stats(struct net_device *dev); -static void set_addresses(struct net_device *dev); -static void set_multicast_list(struct net_device *dev); -static int set_card_type(struct pcmcia_device *link, const void *s); -static int do_config(struct net_device *dev, struct ifmap *map); -static int do_open(struct net_device *dev); -static int do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -static const struct ethtool_ops netdev_ethtool_ops; -static void hardreset(struct net_device *dev); -static void do_reset(struct net_device *dev, int full); -static int init_mii(struct net_device *dev); -static void do_powerdown(struct net_device *dev); -static int do_stop(struct net_device *dev); - -/*=============== Helper functions =========================*/ -static int -first_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) -{ - int err; - - if ((err = pcmcia_get_first_tuple(handle, tuple)) == 0 && - (err = pcmcia_get_tuple_data(handle, tuple)) == 0) - err = pcmcia_parse_tuple(handle, tuple, parse); - return err; -} - -static int -next_tuple(struct pcmcia_device *handle, tuple_t *tuple, cisparse_t *parse) -{ - int err; - - if ((err = pcmcia_get_next_tuple(handle, tuple)) == 0 && - (err = pcmcia_get_tuple_data(handle, tuple)) == 0) - err = pcmcia_parse_tuple(handle, tuple, parse); - return err; -} - -#define SelectPage(pgnr) outb((pgnr), ioaddr + XIRCREG_PR) -#define GetByte(reg) ((unsigned)inb(ioaddr + (reg))) -#define GetWord(reg) ((unsigned)inw(ioaddr + (reg))) -#define PutByte(reg,value) outb((value), ioaddr+(reg)) -#define PutWord(reg,value) outw((value), ioaddr+(reg)) - -/*====== Functions used for debugging =================================*/ -#if defined(PCMCIA_DEBUG) && 0 /* reading regs may change system status */ -static void -PrintRegisters(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - - if (pc_debug > 1) { - int i, page; - - printk(KDBG_XIRC "Register common: "); - for (i = 0; i < 8; i++) - printk(" %2.2x", GetByte(i)); - printk("\n"); - for (page = 0; page <= 8; page++) { - printk(KDBG_XIRC "Register page %2x: ", page); - SelectPage(page); - for (i = 8; i < 16; i++) - printk(" %2.2x", GetByte(i)); - printk("\n"); - } - for (page=0x40 ; page <= 0x5f; page++) { - if (page == 0x43 || (page >= 0x46 && page <= 0x4f) - || (page >= 0x51 && page <=0x5e)) - continue; - printk(KDBG_XIRC "Register page %2x: ", page); - SelectPage(page); - for (i = 8; i < 16; i++) - printk(" %2.2x", GetByte(i)); - printk("\n"); - } - } -} -#endif /* PCMCIA_DEBUG */ - -/*============== MII Management functions ===============*/ - -/**************** - * Turn around for read - */ -static void -mii_idle(unsigned int ioaddr) -{ - PutByte(XIRCREG2_GPR2, 0x04|0); /* drive MDCK low */ - udelay(1); - PutByte(XIRCREG2_GPR2, 0x04|1); /* and drive MDCK high */ - udelay(1); -} - -/**************** - * Write a bit to MDI/O - */ -static void -mii_putbit(unsigned int ioaddr, unsigned data) -{ - #if 1 - if (data) { - PutByte(XIRCREG2_GPR2, 0x0c|2|0); /* set MDIO */ - udelay(1); - PutByte(XIRCREG2_GPR2, 0x0c|2|1); /* and drive MDCK high */ - udelay(1); - } else { - PutByte(XIRCREG2_GPR2, 0x0c|0|0); /* clear MDIO */ - udelay(1); - PutByte(XIRCREG2_GPR2, 0x0c|0|1); /* and drive MDCK high */ - udelay(1); - } - #else - if (data) { - PutWord(XIRCREG2_GPR2-1, 0x0e0e); - udelay(1); - PutWord(XIRCREG2_GPR2-1, 0x0f0f); - udelay(1); - } else { - PutWord(XIRCREG2_GPR2-1, 0x0c0c); - udelay(1); - PutWord(XIRCREG2_GPR2-1, 0x0d0d); - udelay(1); - } - #endif -} - -/**************** - * Get a bit from MDI/O - */ -static int -mii_getbit(unsigned int ioaddr) -{ - unsigned d; - - PutByte(XIRCREG2_GPR2, 4|0); /* drive MDCK low */ - udelay(1); - d = GetByte(XIRCREG2_GPR2); /* read MDIO */ - PutByte(XIRCREG2_GPR2, 4|1); /* drive MDCK high again */ - udelay(1); - return d & 0x20; /* read MDIO */ -} - -static void -mii_wbits(unsigned int ioaddr, unsigned data, int len) -{ - unsigned m = 1 << (len-1); - for (; m; m >>= 1) - mii_putbit(ioaddr, data & m); -} - -static unsigned -mii_rd(unsigned int ioaddr, u_char phyaddr, u_char phyreg) -{ - int i; - unsigned data=0, m; - - SelectPage(2); - for (i=0; i < 32; i++) /* 32 bit preamble */ - mii_putbit(ioaddr, 1); - mii_wbits(ioaddr, 0x06, 4); /* Start and opcode for read */ - mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */ - mii_wbits(ioaddr, phyreg, 5); /* PHY register to read */ - mii_idle(ioaddr); /* turn around */ - mii_getbit(ioaddr); - - for (m = 1<<15; m; m >>= 1) - if (mii_getbit(ioaddr)) - data |= m; - mii_idle(ioaddr); - return data; -} - -static void -mii_wr(unsigned int ioaddr, u_char phyaddr, u_char phyreg, unsigned data, - int len) -{ - int i; - - SelectPage(2); - for (i=0; i < 32; i++) /* 32 bit preamble */ - mii_putbit(ioaddr, 1); - mii_wbits(ioaddr, 0x05, 4); /* Start and opcode for write */ - mii_wbits(ioaddr, phyaddr, 5); /* PHY address to be accessed */ - mii_wbits(ioaddr, phyreg, 5); /* PHY Register to write */ - mii_putbit(ioaddr, 1); /* turn around */ - mii_putbit(ioaddr, 0); - mii_wbits(ioaddr, data, len); /* And write the data */ - mii_idle(ioaddr); -} - -/*============= Main bulk of functions =========================*/ - -/**************** - * xirc2ps_attach() creates an "instance" of the driver, allocating - * local data structures for one device. The device is registered - * with Card Services. - * - * The dev_link structure is initialized, but we don't actually - * configure the card at this point -- we wait until we receive a - * card insertion event. - */ - -static int -xirc2ps_probe(struct pcmcia_device *link) -{ - struct net_device *dev; - local_info_t *local; - - DEBUG(0, "attach()\n"); - - /* Allocate the device structure */ - dev = alloc_etherdev(sizeof(local_info_t)); - if (!dev) - return -ENOMEM; - local = netdev_priv(dev); - local->dev = dev; - local->p_dev = link; - link->priv = dev; - - /* General socket configuration */ - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.ConfigIndex = 1; - link->irq.Handler = xirc2ps_interrupt; - link->irq.Instance = dev; - - /* Fill in card specific entries */ - dev->hard_start_xmit = &do_start_xmit; - dev->set_config = &do_config; - dev->get_stats = &do_get_stats; - dev->do_ioctl = &do_ioctl; - SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); - dev->set_multicast_list = &set_multicast_list; - dev->open = &do_open; - dev->stop = &do_stop; -#ifdef HAVE_TX_TIMEOUT - dev->tx_timeout = do_tx_timeout; - dev->watchdog_timeo = TX_TIMEOUT; - INIT_WORK(&local->tx_timeout_task, xirc2ps_tx_timeout_task); -#endif - - return xirc2ps_config(link); -} /* xirc2ps_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 -xirc2ps_detach(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - DEBUG(0, "detach(0x%p)\n", link); - - if (link->dev_node) - unregister_netdev(dev); - - xirc2ps_release(link); - - free_netdev(dev); -} /* xirc2ps_detach */ - -/**************** - * Detect the type of the card. s is the buffer with the data of tuple 0x20 - * Returns: 0 := not supported - * mediaid=11 and prodid=47 - * Media-Id bits: - * Ethernet 0x01 - * Tokenring 0x02 - * Arcnet 0x04 - * Wireless 0x08 - * Modem 0x10 - * GSM only 0x20 - * Prod-Id bits: - * Pocket 0x10 - * External 0x20 - * Creditcard 0x40 - * Cardbus 0x80 - * - */ -static int -set_card_type(struct pcmcia_device *link, const void *s) -{ - struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); - #ifdef PCMCIA_DEBUG - unsigned cisrev = ((const unsigned char *)s)[2]; - #endif - unsigned mediaid= ((const unsigned char *)s)[3]; - unsigned prodid = ((const unsigned char *)s)[4]; - - DEBUG(0, "cisrev=%02x mediaid=%02x prodid=%02x\n", - cisrev, mediaid, prodid); - - local->mohawk = 0; - local->dingo = 0; - local->modem = 0; - local->card_type = XIR_UNKNOWN; - if (!(prodid & 0x40)) { - printk(KNOT_XIRC "Ooops: Not a creditcard\n"); - return 0; - } - if (!(mediaid & 0x01)) { - printk(KNOT_XIRC "Not an Ethernet card\n"); - return 0; - } - if (mediaid & 0x10) { - local->modem = 1; - switch(prodid & 15) { - case 1: local->card_type = XIR_CEM ; break; - case 2: local->card_type = XIR_CEM2 ; break; - case 3: local->card_type = XIR_CEM3 ; break; - case 4: local->card_type = XIR_CEM33 ; break; - case 5: local->card_type = XIR_CEM56M; - local->mohawk = 1; - break; - case 6: - case 7: /* 7 is the RealPort 10/56 */ - local->card_type = XIR_CEM56 ; - local->mohawk = 1; - local->dingo = 1; - break; - } - } else { - switch(prodid & 15) { - case 1: local->card_type = has_ce2_string(link)? XIR_CE2 : XIR_CE ; - break; - case 2: local->card_type = XIR_CE2; break; - case 3: local->card_type = XIR_CE3; - local->mohawk = 1; - break; - } - } - if (local->card_type == XIR_CE || local->card_type == XIR_CEM) { - printk(KNOT_XIRC "Sorry, this is an old CE card\n"); - return 0; - } - if (local->card_type == XIR_UNKNOWN) - printk(KNOT_XIRC "unknown card (mediaid=%02x prodid=%02x)\n", - mediaid, prodid); - - return 1; -} - -/**************** - * There are some CE2 cards out which claim to be a CE card. - * This function looks for a "CE2" in the 3rd version field. - * Returns: true if this is a CE2 - */ -static int -has_ce2_string(struct pcmcia_device * p_dev) -{ - if (p_dev->prod_id[2] && strstr(p_dev->prod_id[2], "CE2")) - return 1; - return 0; -} - -/**************** - * xirc2ps_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. - */ -static int -xirc2ps_config(struct pcmcia_device * link) -{ - struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); - tuple_t tuple; - cisparse_t parse; - unsigned int ioaddr; - int err, i; - u_char buf[64]; - cistpl_lan_node_id_t *node_id = (cistpl_lan_node_id_t*)parse.funce.data; - cistpl_cftable_entry_t *cf = &parse.cftable_entry; - DECLARE_MAC_BUF(mac); - - local->dingo_ccr = NULL; - - DEBUG(0, "config(0x%p)\n", link); - - /* - * This reads the card's CONFIG tuple to find its configuration - * registers. - */ - tuple.Attributes = 0; - tuple.TupleData = buf; - tuple.TupleDataMax = 64; - tuple.TupleOffset = 0; - - /* Is this a valid card */ - tuple.DesiredTuple = CISTPL_MANFID; - if ((err=first_tuple(link, &tuple, &parse))) { - printk(KNOT_XIRC "manfid not found in CIS\n"); - goto failure; - } - - switch(parse.manfid.manf) { - case MANFID_XIRCOM: - local->manf_str = "Xircom"; - break; - case MANFID_ACCTON: - local->manf_str = "Accton"; - break; - case MANFID_COMPAQ: - case MANFID_COMPAQ2: - local->manf_str = "Compaq"; - break; - case MANFID_INTEL: - local->manf_str = "Intel"; - break; - case MANFID_TOSHIBA: - local->manf_str = "Toshiba"; - break; - default: - printk(KNOT_XIRC "Unknown Card Manufacturer ID: 0x%04x\n", - (unsigned)parse.manfid.manf); - goto failure; - } - DEBUG(0, "found %s card\n", local->manf_str); - - if (!set_card_type(link, buf)) { - printk(KNOT_XIRC "this card is not supported\n"); - goto failure; - } - - /* get the ethernet address from the CIS */ - tuple.DesiredTuple = CISTPL_FUNCE; - for (err = first_tuple(link, &tuple, &parse); !err; - err = next_tuple(link, &tuple, &parse)) { - /* Once I saw two CISTPL_FUNCE_LAN_NODE_ID entries: - * the first one with a length of zero the second correct - - * so I skip all entries with length 0 */ - if (parse.funce.type == CISTPL_FUNCE_LAN_NODE_ID - && ((cistpl_lan_node_id_t *)parse.funce.data)->nb) - break; - } - if (err) { /* not found: try to get the node-id from tuple 0x89 */ - tuple.DesiredTuple = 0x89; /* data layout looks like tuple 0x22 */ - if ((err = pcmcia_get_first_tuple(link, &tuple)) == 0 && - (err = pcmcia_get_tuple_data(link, &tuple)) == 0) { - if (tuple.TupleDataLen == 8 && *buf == CISTPL_FUNCE_LAN_NODE_ID) - memcpy(&parse, buf, 8); - else - err = -1; - } - } - if (err) { /* another try (James Lehmer's CE2 version 4.1)*/ - tuple.DesiredTuple = CISTPL_FUNCE; - for (err = first_tuple(link, &tuple, &parse); !err; - err = next_tuple(link, &tuple, &parse)) { - if (parse.funce.type == 0x02 && parse.funce.data[0] == 1 - && parse.funce.data[1] == 6 && tuple.TupleDataLen == 13) { - buf[1] = 4; - memcpy(&parse, buf+1, 8); - break; - } - } - } - if (err) { - printk(KNOT_XIRC "node-id not found in CIS\n"); - goto failure; - } - node_id = (cistpl_lan_node_id_t *)parse.funce.data; - if (node_id->nb != 6) { - printk(KNOT_XIRC "malformed node-id in CIS\n"); - goto failure; - } - for (i=0; i < 6; i++) - dev->dev_addr[i] = node_id->id[i]; - - link->io.IOAddrLines =10; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; - link->irq.Attributes = IRQ_HANDLE_PRESENT; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - if (local->modem) { - int pass; - - if (do_sound) { - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->conf.Status |= CCSR_AUDIO_ENA; - } - link->irq.Attributes |= IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED ; - link->io.NumPorts2 = 8; - link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; - if (local->dingo) { - /* Take the Modem IO port from the CIS and scan for a free - * Ethernet port */ - link->io.NumPorts1 = 16; /* no Mako stuff anymore */ - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (err = first_tuple(link, &tuple, &parse); !err; - err = next_tuple(link, &tuple, &parse)) { - if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8) { - for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) { - link->conf.ConfigIndex = cf->index ; - link->io.BasePort2 = cf->io.win[0].base; - link->io.BasePort1 = ioaddr; - if (!(err=pcmcia_request_io(link, &link->io))) - goto port_found; - } - } - } - } else { - link->io.NumPorts1 = 18; - /* We do 2 passes here: The first one uses the regular mapping and - * the second tries again, thereby considering that the 32 ports are - * mirrored every 32 bytes. Actually we use a mirrored port for - * the Mako if (on the first pass) the COR bit 5 is set. - */ - for (pass=0; pass < 2; pass++) { - tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; - for (err = first_tuple(link, &tuple, &parse); !err; - err = next_tuple(link, &tuple, &parse)){ - if (cf->io.nwin > 0 && (cf->io.win[0].base & 0xf) == 8){ - link->conf.ConfigIndex = cf->index ; - link->io.BasePort2 = cf->io.win[0].base; - link->io.BasePort1 = link->io.BasePort2 - + (pass ? (cf->index & 0x20 ? -24:8) - : (cf->index & 0x20 ? 8:-24)); - if (!(err=pcmcia_request_io(link, &link->io))) - goto port_found; - } - } - } - /* if special option: - * try to configure as Ethernet only. - * .... */ - } - printk(KNOT_XIRC "no ports available\n"); - } else { - link->irq.Attributes |= IRQ_TYPE_DYNAMIC_SHARING; - link->io.NumPorts1 = 16; - for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) { - link->io.BasePort1 = ioaddr; - if (!(err=pcmcia_request_io(link, &link->io))) - goto port_found; - } - link->io.BasePort1 = 0; /* let CS decide */ - if ((err=pcmcia_request_io(link, &link->io))) { - cs_error(link, RequestIO, err); - goto config_error; - } - } - port_found: - if (err) - goto config_error; - - /**************** - * Now allocate an interrupt line. Note that this does not - * actually assign a handler to the interrupt. - */ - if ((err=pcmcia_request_irq(link, &link->irq))) { - cs_error(link, RequestIRQ, err); - goto config_error; - } - - /**************** - * This actually configures the PCMCIA socket -- setting up - * the I/O windows and the interrupt mapping. - */ - if ((err=pcmcia_request_configuration(link, &link->conf))) { - cs_error(link, RequestConfiguration, err); - goto config_error; - } - - if (local->dingo) { - conf_reg_t reg; - win_req_t req; - memreq_t mem; - - /* Reset the modem's BAR to the correct value - * This is necessary because in the RequestConfiguration call, - * the base address of the ethernet port (BasePort1) is written - * to the BAR registers of the modem. - */ - reg.Action = CS_WRITE; - reg.Offset = CISREG_IOBASE_0; - reg.Value = link->io.BasePort2 & 0xff; - if ((err = pcmcia_access_configuration_register(link, ®))) { - cs_error(link, AccessConfigurationRegister, err); - goto config_error; - } - reg.Action = CS_WRITE; - reg.Offset = CISREG_IOBASE_1; - reg.Value = (link->io.BasePort2 >> 8) & 0xff; - if ((err = pcmcia_access_configuration_register(link, ®))) { - cs_error(link, AccessConfigurationRegister, err); - goto config_error; - } - - /* There is no config entry for the Ethernet part which - * is at 0x0800. So we allocate a window into the attribute - * memory and write direct to the CIS registers - */ - req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; - req.Base = req.Size = 0; - req.AccessSpeed = 0; - if ((err = pcmcia_request_window(&link, &req, &link->win))) { - cs_error(link, RequestWindow, err); - goto config_error; - } - local->dingo_ccr = ioremap(req.Base,0x1000) + 0x0800; - mem.CardOffset = 0x0; - mem.Page = 0; - if ((err = pcmcia_map_mem_page(link->win, &mem))) { - cs_error(link, MapMemPage, err); - goto config_error; - } - - /* Setup the CCRs; there are no infos in the CIS about the Ethernet - * part. - */ - writeb(0x47, local->dingo_ccr + CISREG_COR); - ioaddr = link->io.BasePort1; - writeb(ioaddr & 0xff , local->dingo_ccr + CISREG_IOBASE_0); - writeb((ioaddr >> 8)&0xff , local->dingo_ccr + CISREG_IOBASE_1); - - #if 0 - { - u_char tmp; - printk(KERN_INFO "ECOR:"); - for (i=0; i < 7; i++) { - tmp = readb(local->dingo_ccr + i*2); - printk(" %02x", tmp); - } - printk("\n"); - printk(KERN_INFO "DCOR:"); - for (i=0; i < 4; i++) { - tmp = readb(local->dingo_ccr + 0x20 + i*2); - printk(" %02x", tmp); - } - printk("\n"); - printk(KERN_INFO "SCOR:"); - for (i=0; i < 10; i++) { - tmp = readb(local->dingo_ccr + 0x40 + i*2); - printk(" %02x", tmp); - } - printk("\n"); - } - #endif - - writeb(0x01, local->dingo_ccr + 0x20); - writeb(0x0c, local->dingo_ccr + 0x22); - writeb(0x00, local->dingo_ccr + 0x24); - writeb(0x00, local->dingo_ccr + 0x26); - writeb(0x00, local->dingo_ccr + 0x28); - } - - /* The if_port symbol can be set when the module is loaded */ - local->probe_port=0; - if (!if_port) { - local->probe_port = dev->if_port = 1; - } else if ((if_port >= 1 && if_port <= 2) || - (local->mohawk && if_port==4)) - dev->if_port = if_port; - else - printk(KNOT_XIRC "invalid if_port requested\n"); - - /* we can now register the device with the net subsystem */ - dev->irq = link->irq.AssignedIRQ; - dev->base_addr = link->io.BasePort1; - - if (local->dingo) - do_reset(dev, 1); /* a kludge to make the cem56 work */ - - link->dev_node = &local->node; - SET_NETDEV_DEV(dev, &handle_to_dev(link)); - - if ((err=register_netdev(dev))) { - printk(KNOT_XIRC "register_netdev() failed\n"); - link->dev_node = NULL; - goto config_error; - } - - strcpy(local->node.dev_name, dev->name); - - /* give some infos about the hardware */ - printk(KERN_INFO "%s: %s: port %#3lx, irq %d, hwaddr %s\n", - dev->name, local->manf_str,(u_long)dev->base_addr, (int)dev->irq, - print_mac(mac, dev->dev_addr)); - - return 0; - - config_error: - xirc2ps_release(link); - return -ENODEV; - - failure: - return -ENODEV; -} /* xirc2ps_config */ - -/**************** - * After a card is removed, xirc2ps_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 -xirc2ps_release(struct pcmcia_device *link) -{ - DEBUG(0, "release(0x%p)\n", link); - - if (link->win) { - struct net_device *dev = link->priv; - local_info_t *local = netdev_priv(dev); - if (local->dingo) - iounmap(local->dingo_ccr - 0x0800); - } - pcmcia_disable_device(link); -} /* xirc2ps_release */ - -/*====================================================================*/ - - -static int xirc2ps_suspend(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) { - netif_device_detach(dev); - do_powerdown(dev); - } - - return 0; -} - -static int xirc2ps_resume(struct pcmcia_device *link) -{ - struct net_device *dev = link->priv; - - if (link->open) { - do_reset(dev,1); - netif_device_attach(dev); - } - - return 0; -} - - -/*====================================================================*/ - -/**************** - * This is the Interrupt service route. - */ -static irqreturn_t -xirc2ps_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *)dev_id; - local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr; - u_char saved_page; - unsigned bytes_rcvd; - unsigned int_status, eth_status, rx_status, tx_status; - unsigned rsr, pktlen; - ulong start_ticks = jiffies; /* fixme: jiffies rollover every 497 days - * is this something to worry about? - * -- on a laptop? - */ - - if (!netif_device_present(dev)) - return IRQ_HANDLED; - - ioaddr = dev->base_addr; - if (lp->mohawk) { /* must disable the interrupt */ - PutByte(XIRCREG_CR, 0); - } - - DEBUG(6, "%s: interrupt %d at %#x.\n", dev->name, irq, ioaddr); - - saved_page = GetByte(XIRCREG_PR); - /* Read the ISR to see whats the cause for the interrupt. - * This also clears the interrupt flags on CE2 cards - */ - int_status = GetByte(XIRCREG_ISR); - bytes_rcvd = 0; - loop_entry: - if (int_status == 0xff) { /* card may be ejected */ - DEBUG(3, "%s: interrupt %d for dead card\n", dev->name, irq); - goto leave; - } - eth_status = GetByte(XIRCREG_ESR); - - SelectPage(0x40); - rx_status = GetByte(XIRCREG40_RXST0); - PutByte(XIRCREG40_RXST0, (~rx_status & 0xff)); - tx_status = GetByte(XIRCREG40_TXST0); - tx_status |= GetByte(XIRCREG40_TXST1) << 8; - PutByte(XIRCREG40_TXST0, 0); - PutByte(XIRCREG40_TXST1, 0); - - DEBUG(3, "%s: ISR=%#2.2x ESR=%#2.2x RSR=%#2.2x TSR=%#4.4x\n", - dev->name, int_status, eth_status, rx_status, tx_status); - - /***** receive section ******/ - SelectPage(0); - while (eth_status & FullPktRcvd) { - rsr = GetByte(XIRCREG0_RSR); - if (bytes_rcvd > maxrx_bytes && (rsr & PktRxOk)) { - /* too many bytes received during this int, drop the rest of the - * packets */ - lp->stats.rx_dropped++; - DEBUG(2, "%s: RX drop, too much done\n", dev->name); - } else if (rsr & PktRxOk) { - struct sk_buff *skb; - - pktlen = GetWord(XIRCREG0_RBC); - bytes_rcvd += pktlen; - - DEBUG(5, "rsr=%#02x packet_length=%u\n", rsr, pktlen); - - skb = dev_alloc_skb(pktlen+3); /* 1 extra so we can use insw */ - if (!skb) { - printk(KNOT_XIRC "low memory, packet dropped (size=%u)\n", - pktlen); - lp->stats.rx_dropped++; - } else { /* okay get the packet */ - skb_reserve(skb, 2); - if (lp->silicon == 0 ) { /* work around a hardware bug */ - unsigned rhsa; /* receive start address */ - - SelectPage(5); - rhsa = GetWord(XIRCREG5_RHSA0); - SelectPage(0); - rhsa += 3; /* skip control infos */ - if (rhsa >= 0x8000) - rhsa = 0; - if (rhsa + pktlen > 0x8000) { - unsigned i; - u_char *buf = skb_put(skb, pktlen); - for (i=0; i < pktlen ; i++, rhsa++) { - buf[i] = GetByte(XIRCREG_EDP); - if (rhsa == 0x8000) { - rhsa = 0; - i--; - } - } - } else { - insw(ioaddr+XIRCREG_EDP, - skb_put(skb, pktlen), (pktlen+1)>>1); - } - } - #if 0 - else if (lp->mohawk) { - /* To use this 32 bit access we should use - * a manual optimized loop - * Also the words are swapped, we can get more - * performance by using 32 bit access and swapping - * the words in a register. Will need this for cardbus - * - * Note: don't forget to change the ALLOC_SKB to .. +3 - */ - unsigned i; - u_long *p = skb_put(skb, pktlen); - register u_long a; - unsigned int edpreg = ioaddr+XIRCREG_EDP-2; - for (i=0; i < len ; i += 4, p++) { - a = inl(edpreg); - __asm__("rorl $16,%0\n\t" - :"=q" (a) - : "0" (a)); - *p = a; - } - } - #endif - else { - insw(ioaddr+XIRCREG_EDP, skb_put(skb, pktlen), - (pktlen+1)>>1); - } - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->last_rx = jiffies; - lp->stats.rx_packets++; - lp->stats.rx_bytes += pktlen; - if (!(rsr & PhyPkt)) - lp->stats.multicast++; - } - } else { /* bad packet */ - DEBUG(5, "rsr=%#02x\n", rsr); - } - if (rsr & PktTooLong) { - lp->stats.rx_frame_errors++; - DEBUG(3, "%s: Packet too long\n", dev->name); - } - if (rsr & CRCErr) { - lp->stats.rx_crc_errors++; - DEBUG(3, "%s: CRC error\n", dev->name); - } - if (rsr & AlignErr) { - lp->stats.rx_fifo_errors++; /* okay ? */ - DEBUG(3, "%s: Alignment error\n", dev->name); - } - - /* clear the received/dropped/error packet */ - PutWord(XIRCREG0_DO, 0x8000); /* issue cmd: skip_rx_packet */ - - /* get the new ethernet status */ - eth_status = GetByte(XIRCREG_ESR); - } - if (rx_status & 0x10) { /* Receive overrun */ - lp->stats.rx_over_errors++; - PutByte(XIRCREG_CR, ClearRxOvrun); - DEBUG(3, "receive overrun cleared\n"); - } - - /***** transmit section ******/ - if (int_status & PktTxed) { - unsigned n, nn; - - n = lp->last_ptr_value; - nn = GetByte(XIRCREG0_PTR); - lp->last_ptr_value = nn; - if (nn < n) /* rollover */ - lp->stats.tx_packets += 256 - n; - else if (n == nn) { /* happens sometimes - don't know why */ - DEBUG(0, "PTR not changed?\n"); - } else - lp->stats.tx_packets += lp->last_ptr_value - n; - netif_wake_queue(dev); - } - if (tx_status & 0x0002) { /* Execessive collissions */ - DEBUG(0, "tx restarted due to execssive collissions\n"); - PutByte(XIRCREG_CR, RestartTx); /* restart transmitter process */ - } - if (tx_status & 0x0040) - lp->stats.tx_aborted_errors++; - - /* recalculate our work chunk so that we limit the duration of this - * ISR to about 1/10 of a second. - * Calculate only if we received a reasonable amount of bytes. - */ - if (bytes_rcvd > 1000) { - u_long duration = jiffies - start_ticks; - - if (duration >= HZ/10) { /* if more than about 1/10 second */ - maxrx_bytes = (bytes_rcvd * (HZ/10)) / duration; - if (maxrx_bytes < 2000) - maxrx_bytes = 2000; - else if (maxrx_bytes > 22000) - maxrx_bytes = 22000; - DEBUG(1, "set maxrx=%u (rcvd=%u ticks=%lu)\n", - maxrx_bytes, bytes_rcvd, duration); - } else if (!duration && maxrx_bytes < 22000) { - /* now much faster */ - maxrx_bytes += 2000; - if (maxrx_bytes > 22000) - maxrx_bytes = 22000; - DEBUG(1, "set maxrx=%u\n", maxrx_bytes); - } - } - - leave: - if (lockup_hack) { - if (int_status != 0xff && (int_status = GetByte(XIRCREG_ISR)) != 0) - goto loop_entry; - } - SelectPage(saved_page); - PutByte(XIRCREG_CR, EnableIntr); /* re-enable interrupts */ - /* Instead of dropping packets during a receive, we could - * force an interrupt with this command: - * PutByte(XIRCREG_CR, EnableIntr|ForceIntr); - */ - return IRQ_HANDLED; -} /* xirc2ps_interrupt */ - -/*====================================================================*/ - -static void -xirc2ps_tx_timeout_task(struct work_struct *work) -{ - local_info_t *local = - container_of(work, local_info_t, tx_timeout_task); - struct net_device *dev = local->dev; - /* reset the card */ - do_reset(dev,1); - dev->trans_start = jiffies; - netif_wake_queue(dev); -} - -static void -do_tx_timeout(struct net_device *dev) -{ - local_info_t *lp = netdev_priv(dev); - lp->stats.tx_errors++; - printk(KERN_NOTICE "%s: transmit timed out\n", dev->name); - schedule_work(&lp->tx_timeout_task); -} - -static int -do_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - local_info_t *lp = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - int okay; - unsigned freespace; - unsigned pktlen = skb->len; - - DEBUG(1, "do_start_xmit(skb=%p, dev=%p) len=%u\n", - skb, dev, pktlen); - - - /* adjust the packet length to min. required - * and hope that the buffer is large enough - * to provide some random data. - * fixme: For Mohawk we can change this by sending - * a larger packetlen than we actually have; the chip will - * pad this in his buffer with random bytes - */ - if (pktlen < ETH_ZLEN) - { - if (skb_padto(skb, ETH_ZLEN)) - return 0; - pktlen = ETH_ZLEN; - } - - netif_stop_queue(dev); - SelectPage(0); - PutWord(XIRCREG0_TRS, (u_short)pktlen+2); - freespace = GetWord(XIRCREG0_TSO); - okay = freespace & 0x8000; - freespace &= 0x7fff; - /* TRS doesn't work - (indeed it is eliminated with sil-rev 1) */ - okay = pktlen +2 < freespace; - DEBUG(2 + (okay ? 2 : 0), "%s: avail. tx space=%u%s\n", - dev->name, freespace, okay ? " (okay)":" (not enough)"); - if (!okay) { /* not enough space */ - return 1; /* upper layer may decide to requeue this packet */ - } - /* send the packet */ - PutWord(XIRCREG_EDP, (u_short)pktlen); - outsw(ioaddr+XIRCREG_EDP, skb->data, pktlen>>1); - if (pktlen & 1) - PutByte(XIRCREG_EDP, skb->data[pktlen-1]); - - if (lp->mohawk) - PutByte(XIRCREG_CR, TransmitPacket|EnableIntr); - - dev_kfree_skb (skb); - dev->trans_start = jiffies; - lp->stats.tx_bytes += pktlen; - netif_start_queue(dev); - return 0; -} - -static struct net_device_stats * -do_get_stats(struct net_device *dev) -{ - local_info_t *lp = netdev_priv(dev); - - /* lp->stats.rx_missed_errors = GetByte(?) */ - return &lp->stats; -} - -/**************** - * Set all addresses: This first one is the individual address, - * the next 9 addresses are taken from the multicast list and - * the rest is filled with the individual address. - */ -static void -set_addresses(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - local_info_t *lp = netdev_priv(dev); - struct dev_mc_list *dmi = dev->mc_list; - unsigned char *addr; - int i,j,k,n; - - SelectPage(k=0x50); - for (i=0,j=8,n=0; ; i++, j++) { - if (i > 5) { - if (++n > 9) - break; - i = 0; - if (n > 1 && n <= dev->mc_count && dmi) { - dmi = dmi->next; - } - } - if (j > 15) { - j = 8; - k++; - SelectPage(k); - } - - if (n && n <= dev->mc_count && dmi) - addr = dmi->dmi_addr; - else - addr = dev->dev_addr; - - if (lp->mohawk) - PutByte(j, addr[5-i]); - else - PutByte(j, addr[i]); - } - SelectPage(0); -} - -/**************** - * Set or clear the multicast filter for this adaptor. - * We can filter up to 9 addresses, if more are requested we set - * multicast promiscuous mode. - */ - -static void -set_multicast_list(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - - SelectPage(0x42); - if (dev->flags & IFF_PROMISC) { /* snoop */ - PutByte(XIRCREG42_SWC1, 0x06); /* set MPE and PME */ - } else if (dev->mc_count > 9 || (dev->flags & IFF_ALLMULTI)) { - PutByte(XIRCREG42_SWC1, 0x02); /* set MPE */ - } else if (dev->mc_count) { - /* the chip can filter 9 addresses perfectly */ - PutByte(XIRCREG42_SWC1, 0x01); - SelectPage(0x40); - PutByte(XIRCREG40_CMD0, Offline); - set_addresses(dev); - SelectPage(0x40); - PutByte(XIRCREG40_CMD0, EnableRecv | Online); - } else { /* standard usage */ - PutByte(XIRCREG42_SWC1, 0x00); - } - SelectPage(0); -} - -static int -do_config(struct net_device *dev, struct ifmap *map) -{ - local_info_t *local = netdev_priv(dev); - - DEBUG(0, "do_config(%p)\n", dev); - if (map->port != 255 && map->port != dev->if_port) { - if (map->port > 4) - return -EINVAL; - if (!map->port) { - local->probe_port = 1; - dev->if_port = 1; - } else { - local->probe_port = 0; - dev->if_port = map->port; - } - printk(KERN_INFO "%s: switching to %s port\n", - dev->name, if_names[dev->if_port]); - do_reset(dev,1); /* not the fine way :-) */ - } - return 0; -} - -/**************** - * Open the driver - */ -static int -do_open(struct net_device *dev) -{ - local_info_t *lp = netdev_priv(dev); - struct pcmcia_device *link = lp->p_dev; - - DEBUG(0, "do_open(%p)\n", dev); - - /* Check that the PCMCIA card is still here. */ - /* Physical device present signature. */ - if (!pcmcia_dev_present(link)) - return -ENODEV; - - /* okay */ - link->open++; - - netif_start_queue(dev); - do_reset(dev,1); - - return 0; -} - -static void netdev_get_drvinfo(struct net_device *dev, - struct ethtool_drvinfo *info) -{ - strcpy(info->driver, "xirc2ps_cs"); - sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); -} - -static const struct ethtool_ops netdev_ethtool_ops = { - .get_drvinfo = netdev_get_drvinfo, -}; - -static int -do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - local_info_t *local = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - u16 *data = (u16 *)&rq->ifr_ifru; - - DEBUG(1, "%s: ioctl(%-.6s, %#04x) %04x %04x %04x %04x\n", - dev->name, rq->ifr_ifrn.ifrn_name, cmd, - data[0], data[1], data[2], data[3]); - - if (!local->mohawk) - return -EOPNOTSUPP; - - switch(cmd) { - case SIOCGMIIPHY: /* Get the address of the PHY in use. */ - data[0] = 0; /* we have only this address */ - /* fall through */ - case SIOCGMIIREG: /* Read the specified MII register. */ - data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f); - break; - case SIOCSMIIREG: /* Write the specified MII register */ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - mii_wr(ioaddr, data[0] & 0x1f, data[1] & 0x1f, data[2], 16); - break; - default: - return -EOPNOTSUPP; - } - return 0; -} - -static void -hardreset(struct net_device *dev) -{ - local_info_t *local = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - - SelectPage(4); - udelay(1); - PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ - msleep(40); /* wait 40 msec */ - if (local->mohawk) - PutByte(XIRCREG4_GPR1, 1); /* set bit 0: power up */ - else - PutByte(XIRCREG4_GPR1, 1 | 4); /* set bit 0: power up, bit 2: AIC */ - msleep(20); /* wait 20 msec */ -} - -static void -do_reset(struct net_device *dev, int full) -{ - local_info_t *local = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - unsigned value; - - DEBUG(0, "%s: do_reset(%p,%d)\n", dev? dev->name:"eth?", dev, full); - - hardreset(dev); - PutByte(XIRCREG_CR, SoftReset); /* set */ - msleep(20); /* wait 20 msec */ - PutByte(XIRCREG_CR, 0); /* clear */ - msleep(40); /* wait 40 msec */ - if (local->mohawk) { - SelectPage(4); - /* set pin GP1 and GP2 to output (0x0c) - * set GP1 to low to power up the ML6692 (0x00) - * set GP2 to high to power up the 10Mhz chip (0x02) - */ - PutByte(XIRCREG4_GPR0, 0x0e); - } - - /* give the circuits some time to power up */ - msleep(500); /* about 500ms */ - - local->last_ptr_value = 0; - local->silicon = local->mohawk ? (GetByte(XIRCREG4_BOV) & 0x70) >> 4 - : (GetByte(XIRCREG4_BOV) & 0x30) >> 4; - - if (local->probe_port) { - if (!local->mohawk) { - SelectPage(4); - PutByte(XIRCREG4_GPR0, 4); - local->probe_port = 0; - } - } else if (dev->if_port == 2) { /* enable 10Base2 */ - SelectPage(0x42); - PutByte(XIRCREG42_SWC1, 0xC0); - } else { /* enable 10BaseT */ - SelectPage(0x42); - PutByte(XIRCREG42_SWC1, 0x80); - } - msleep(40); /* wait 40 msec to let it complete */ - - #ifdef PCMCIA_DEBUG - if (pc_debug) { - SelectPage(0); - value = GetByte(XIRCREG_ESR); /* read the ESR */ - printk(KERN_DEBUG "%s: ESR is: %#02x\n", dev->name, value); - } - #endif - - /* setup the ECR */ - SelectPage(1); - PutByte(XIRCREG1_IMR0, 0xff); /* allow all ints */ - PutByte(XIRCREG1_IMR1, 1 ); /* and Set TxUnderrunDetect */ - value = GetByte(XIRCREG1_ECR); - #if 0 - if (local->mohawk) - value |= DisableLinkPulse; - PutByte(XIRCREG1_ECR, value); - #endif - DEBUG(0, "%s: ECR is: %#02x\n", dev->name, value); - - SelectPage(0x42); - PutByte(XIRCREG42_SWC0, 0x20); /* disable source insertion */ - - if (local->silicon != 1) { - /* set the local memory dividing line. - * The comments in the sample code say that this is only - * settable with the scipper version 2 which is revision 0. - * Always for CE3 cards - */ - SelectPage(2); - PutWord(XIRCREG2_RBS, 0x2000); - } - - if (full) - set_addresses(dev); - - /* Hardware workaround: - * The receive byte pointer after reset is off by 1 so we need - * to move the offset pointer back to 0. - */ - SelectPage(0); - PutWord(XIRCREG0_DO, 0x2000); /* change offset command, off=0 */ - - /* setup MAC IMRs and clear status registers */ - SelectPage(0x40); /* Bit 7 ... bit 0 */ - PutByte(XIRCREG40_RMASK0, 0xff); /* ROK, RAB, rsv, RO, CRC, AE, PTL, MP */ - PutByte(XIRCREG40_TMASK0, 0xff); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */ - PutByte(XIRCREG40_TMASK1, 0xb0); /* rsv, rsv, PTD, EXT, rsv,rsv,rsv, rsv*/ - PutByte(XIRCREG40_RXST0, 0x00); /* ROK, RAB, REN, RO, CRC, AE, PTL, MP */ - PutByte(XIRCREG40_TXST0, 0x00); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */ - PutByte(XIRCREG40_TXST1, 0x00); /* TEN, rsv, PTD, EXT, retry_counter:4 */ - - if (full && local->mohawk && init_mii(dev)) { - if (dev->if_port == 4 || local->dingo || local->new_mii) { - printk(KERN_INFO "%s: MII selected\n", dev->name); - SelectPage(2); - PutByte(XIRCREG2_MSR, GetByte(XIRCREG2_MSR) | 0x08); - msleep(20); - } else { - printk(KERN_INFO "%s: MII detected; using 10mbs\n", - dev->name); - SelectPage(0x42); - if (dev->if_port == 2) /* enable 10Base2 */ - PutByte(XIRCREG42_SWC1, 0xC0); - else /* enable 10BaseT */ - PutByte(XIRCREG42_SWC1, 0x80); - msleep(40); /* wait 40 msec to let it complete */ - } - if (full_duplex) - PutByte(XIRCREG1_ECR, GetByte(XIRCREG1_ECR | FullDuplex)); - } else { /* No MII */ - SelectPage(0); - value = GetByte(XIRCREG_ESR); /* read the ESR */ - dev->if_port = (value & MediaSelect) ? 1 : 2; - } - - /* configure the LEDs */ - SelectPage(2); - if (dev->if_port == 1 || dev->if_port == 4) /* TP: Link and Activity */ - PutByte(XIRCREG2_LED, 0x3b); - else /* Coax: Not-Collision and Activity */ - PutByte(XIRCREG2_LED, 0x3a); - - if (local->dingo) - PutByte(0x0b, 0x04); /* 100 Mbit LED */ - - /* enable receiver and put the mac online */ - if (full) { - SelectPage(0x40); - PutByte(XIRCREG40_CMD0, EnableRecv | Online); - } - - /* setup Ethernet IMR and enable interrupts */ - SelectPage(1); - PutByte(XIRCREG1_IMR0, 0xff); - udelay(1); - SelectPage(0); - PutByte(XIRCREG_CR, EnableIntr); - if (local->modem && !local->dingo) { /* do some magic */ - if (!(GetByte(0x10) & 0x01)) - PutByte(0x10, 0x11); /* unmask master-int bit */ - } - - if (full) - printk(KERN_INFO "%s: media %s, silicon revision %d\n", - dev->name, if_names[dev->if_port], local->silicon); - /* We should switch back to page 0 to avoid a bug in revision 0 - * where regs with offset below 8 can't be read after an access - * to the MAC registers */ - SelectPage(0); -} - -/**************** - * Initialize the Media-Independent-Interface - * Returns: True if we have a good MII - */ -static int -init_mii(struct net_device *dev) -{ - local_info_t *local = netdev_priv(dev); - unsigned int ioaddr = dev->base_addr; - unsigned control, status, linkpartner; - int i; - - if (if_port == 4 || if_port == 1) { /* force 100BaseT or 10BaseT */ - dev->if_port = if_port; - local->probe_port = 0; - return 1; - } - - status = mii_rd(ioaddr, 0, 1); - if ((status & 0xff00) != 0x7800) - return 0; /* No MII */ - - local->new_mii = (mii_rd(ioaddr, 0, 2) != 0xffff); - - if (local->probe_port) - control = 0x1000; /* auto neg */ - else if (dev->if_port == 4) - control = 0x2000; /* no auto neg, 100mbs mode */ - else - control = 0x0000; /* no auto neg, 10mbs mode */ - mii_wr(ioaddr, 0, 0, control, 16); - udelay(100); - control = mii_rd(ioaddr, 0, 0); - - if (control & 0x0400) { - printk(KERN_NOTICE "%s can't take PHY out of isolation mode\n", - dev->name); - local->probe_port = 0; - return 0; - } - - if (local->probe_port) { - /* according to the DP83840A specs the auto negotiation process - * may take up to 3.5 sec, so we use this also for our ML6692 - * Fixme: Better to use a timer here! - */ - for (i=0; i < 35; i++) { - msleep(100); /* wait 100 msec */ - status = mii_rd(ioaddr, 0, 1); - if ((status & 0x0020) && (status & 0x0004)) - break; - } - - if (!(status & 0x0020)) { - printk(KERN_INFO "%s: autonegotiation failed;" - " using 10mbs\n", dev->name); - if (!local->new_mii) { - control = 0x0000; - mii_wr(ioaddr, 0, 0, control, 16); - udelay(100); - SelectPage(0); - dev->if_port = (GetByte(XIRCREG_ESR) & MediaSelect) ? 1 : 2; - } - } else { - linkpartner = mii_rd(ioaddr, 0, 5); - printk(KERN_INFO "%s: MII link partner: %04x\n", - dev->name, linkpartner); - if (linkpartner & 0x0080) { - dev->if_port = 4; - } else - dev->if_port = 1; - } - } - - return 1; -} - -static void -do_powerdown(struct net_device *dev) -{ - - unsigned int ioaddr = dev->base_addr; - - DEBUG(0, "do_powerdown(%p)\n", dev); - - SelectPage(4); - PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ - SelectPage(0); -} - -static int -do_stop(struct net_device *dev) -{ - unsigned int ioaddr = dev->base_addr; - local_info_t *lp = netdev_priv(dev); - struct pcmcia_device *link = lp->p_dev; - - DEBUG(0, "do_stop(%p)\n", dev); - - if (!link) - return -ENODEV; - - netif_stop_queue(dev); - - SelectPage(0); - PutByte(XIRCREG_CR, 0); /* disable interrupts */ - SelectPage(0x01); - PutByte(XIRCREG1_IMR0, 0x00); /* forbid all ints */ - SelectPage(4); - PutByte(XIRCREG4_GPR1, 0); /* clear bit 0: power down */ - SelectPage(0); - - link->open--; - return 0; -} - -static struct pcmcia_device_id xirc2ps_ids[] = { - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0089, 0x110a), - PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0138, 0x110a), - PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea), - PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM33", 0x2e3ee845, 0x80609023), - PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a), - PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29), - PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719), - PCMCIA_PFC_DEVICE_PROD_ID12(0, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf), - PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x010a), - PCMCIA_DEVICE_PROD_ID13("Toshiba Information Systems", "TPCENET", 0x1b3b94fe, 0xf381c1a2), - PCMCIA_DEVICE_PROD_ID13("Xircom", "CE3-10/100", 0x2e3ee845, 0x0ec0ac37), - PCMCIA_DEVICE_PROD_ID13("Xircom", "PS-CE2-10", 0x2e3ee845, 0x947d9073), - PCMCIA_DEVICE_PROD_ID13("Xircom", "R2E-100BTX", 0x2e3ee845, 0x2464a6e3), - PCMCIA_DEVICE_PROD_ID13("Xircom", "RE-10", 0x2e3ee845, 0x3e08d609), - PCMCIA_DEVICE_PROD_ID13("Xircom", "XE2000", 0x2e3ee845, 0xf7188e46), - PCMCIA_DEVICE_PROD_ID12("Compaq", "Ethernet LAN Card", 0x54f7c49c, 0x9fd2f0a2), - PCMCIA_DEVICE_PROD_ID12("Compaq", "Netelligent 10/100 PC Card", 0x54f7c49c, 0xefe96769), - PCMCIA_DEVICE_PROD_ID12("Intel", "EtherExpress(TM) PRO/100 PC Card Mobile Adapter16", 0x816cc815, 0x174397db), - PCMCIA_DEVICE_PROD_ID12("Toshiba", "10/100 Ethernet PC Card", 0x44a09d9c, 0xb44deecf), - /* also matches CFE-10 cards! */ - /* PCMCIA_DEVICE_MANF_CARD(0x0105, 0x010a), */ - PCMCIA_DEVICE_NULL, -}; -MODULE_DEVICE_TABLE(pcmcia, xirc2ps_ids); - - -static struct pcmcia_driver xirc2ps_cs_driver = { - .owner = THIS_MODULE, - .drv = { - .name = "xirc2ps_cs", - }, - .probe = xirc2ps_probe, - .remove = xirc2ps_detach, - .id_table = xirc2ps_ids, - .suspend = xirc2ps_suspend, - .resume = xirc2ps_resume, -}; - -static int __init -init_xirc2ps_cs(void) -{ - return pcmcia_register_driver(&xirc2ps_cs_driver); -} - -static void __exit -exit_xirc2ps_cs(void) -{ - pcmcia_unregister_driver(&xirc2ps_cs_driver); -} - -module_init(init_xirc2ps_cs); -module_exit(exit_xirc2ps_cs); - -#ifndef MODULE -static int __init setup_xirc2ps_cs(char *str) -{ - /* if_port, full_duplex, do_sound, lockup_hack - */ - int ints[10] = { -1 }; - - str = get_options(str, 9, ints); - -#define MAYBE_SET(X,Y) if (ints[0] >= Y && ints[Y] != -1) { X = ints[Y]; } - MAYBE_SET(if_port, 3); - MAYBE_SET(full_duplex, 4); - MAYBE_SET(do_sound, 5); - MAYBE_SET(lockup_hack, 6); -#undef MAYBE_SET - - return 1; -} - -__setup("xirc2ps_cs=", setup_xirc2ps_cs); -#endif |