Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*====================================================================== |
| 2 | |
| 3 | A PCMCIA ethernet driver for the 3com 3c589 card. |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 4 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net |
| 6 | |
| 7 | 3c589_cs.c 1.162 2001/10/13 00:08:50 |
| 8 | |
| 9 | The network driver code is based on Donald Becker's 3c589 code: |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | Written 1994 by Donald Becker. |
| 12 | Copyright 1993 United States Government as represented by the |
| 13 | Director, National Security Agency. This software may be used and |
| 14 | distributed according to the terms of the GNU General Public License, |
| 15 | incorporated herein by reference. |
| 16 | Donald Becker may be reached at becker@scyld.com |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 17 | |
Alan Cox | 113aa83 | 2008-10-13 19:01:08 -0700 | [diff] [blame] | 18 | Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | ======================================================================*/ |
| 21 | |
| 22 | #define DRV_NAME "3c589_cs" |
| 23 | #define DRV_VERSION "1.162-ac" |
| 24 | |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/ptrace.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/string.h> |
| 31 | #include <linux/timer.h> |
| 32 | #include <linux/interrupt.h> |
| 33 | #include <linux/in.h> |
| 34 | #include <linux/delay.h> |
| 35 | #include <linux/ethtool.h> |
| 36 | #include <linux/netdevice.h> |
| 37 | #include <linux/etherdevice.h> |
| 38 | #include <linux/skbuff.h> |
| 39 | #include <linux/if_arp.h> |
| 40 | #include <linux/ioport.h> |
| 41 | #include <linux/bitops.h> |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame] | 42 | #include <linux/jiffies.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <pcmcia/cs_types.h> |
| 45 | #include <pcmcia/cs.h> |
| 46 | #include <pcmcia/cistpl.h> |
| 47 | #include <pcmcia/cisreg.h> |
| 48 | #include <pcmcia/ciscode.h> |
| 49 | #include <pcmcia/ds.h> |
| 50 | |
| 51 | #include <asm/uaccess.h> |
| 52 | #include <asm/io.h> |
| 53 | #include <asm/system.h> |
| 54 | |
| 55 | /* To minimize the size of the driver source I only define operating |
| 56 | constants if they are used several times. You'll need the manual |
| 57 | if you want to understand driver details. */ |
| 58 | /* Offsets from base I/O address. */ |
| 59 | #define EL3_DATA 0x00 |
| 60 | #define EL3_TIMER 0x0a |
| 61 | #define EL3_CMD 0x0e |
| 62 | #define EL3_STATUS 0x0e |
| 63 | |
| 64 | #define EEPROM_READ 0x0080 |
| 65 | #define EEPROM_BUSY 0x8000 |
| 66 | |
| 67 | #define EL3WINDOW(win_num) outw(SelectWindow + (win_num), ioaddr + EL3_CMD) |
| 68 | |
| 69 | /* The top five bits written to EL3_CMD are a command, the lower |
| 70 | 11 bits are the parameter, if applicable. */ |
| 71 | enum c509cmd { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 72 | TotalReset = 0<<11, |
| 73 | SelectWindow = 1<<11, |
| 74 | StartCoax = 2<<11, |
| 75 | RxDisable = 3<<11, |
| 76 | RxEnable = 4<<11, |
| 77 | RxReset = 5<<11, |
| 78 | RxDiscard = 8<<11, |
| 79 | TxEnable = 9<<11, |
| 80 | TxDisable = 10<<11, |
| 81 | TxReset = 11<<11, |
| 82 | FakeIntr = 12<<11, |
| 83 | AckIntr = 13<<11, |
| 84 | SetIntrEnb = 14<<11, |
| 85 | SetStatusEnb = 15<<11, |
| 86 | SetRxFilter = 16<<11, |
| 87 | SetRxThreshold = 17<<11, |
| 88 | SetTxThreshold = 18<<11, |
| 89 | SetTxStart = 19<<11, |
| 90 | StatsEnable = 21<<11, |
| 91 | StatsDisable = 22<<11, |
| 92 | StopCoax = 23<<11 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | }; |
| 94 | |
| 95 | enum c509status { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 96 | IntLatch = 0x0001, |
| 97 | AdapterFailure = 0x0002, |
| 98 | TxComplete = 0x0004, |
| 99 | TxAvailable = 0x0008, |
| 100 | RxComplete = 0x0010, |
| 101 | RxEarly = 0x0020, |
| 102 | IntReq = 0x0040, |
| 103 | StatsFull = 0x0080, |
| 104 | CmdBusy = 0x1000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | /* The SetRxFilter command accepts the following classes: */ |
| 108 | enum RxFilter { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 109 | RxStation = 1, |
| 110 | RxMulticast = 2, |
| 111 | RxBroadcast = 4, |
| 112 | RxProm = 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | }; |
| 114 | |
| 115 | /* Register window 1 offsets, the window used in normal operation. */ |
| 116 | #define TX_FIFO 0x00 |
| 117 | #define RX_FIFO 0x00 |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 118 | #define RX_STATUS 0x08 |
| 119 | #define TX_STATUS 0x0B |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */ |
| 121 | |
| 122 | #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */ |
| 123 | #define WN4_MEDIA 0x0A /* Window 4: Various transcvr/media bits. */ |
| 124 | #define MEDIA_TP 0x00C0 /* Enable link beat and jabber for 10baseT. */ |
| 125 | #define MEDIA_LED 0x0001 /* Enable link light on 3C589E cards. */ |
| 126 | |
| 127 | /* Time in jiffies before concluding Tx hung */ |
| 128 | #define TX_TIMEOUT ((400*HZ)/1000) |
| 129 | |
| 130 | struct el3_private { |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 131 | struct pcmcia_device *p_dev; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 132 | dev_node_t node; |
| 133 | /* For transceiver monitoring */ |
| 134 | struct timer_list media; |
| 135 | u16 media_status; |
| 136 | u16 fast_poll; |
| 137 | unsigned long last_irq; |
| 138 | spinlock_t lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
Jeff Garzik | 21c0f27 | 2007-09-25 00:11:34 -0400 | [diff] [blame] | 141 | static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
| 143 | /*====================================================================*/ |
| 144 | |
| 145 | /* Module parameters */ |
| 146 | |
| 147 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); |
| 148 | MODULE_DESCRIPTION("3Com 3c589 series PCMCIA ethernet driver"); |
| 149 | MODULE_LICENSE("GPL"); |
| 150 | |
| 151 | #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) |
| 152 | |
| 153 | /* Special hook for setting if_port when module is loaded */ |
| 154 | INT_MODULE_PARM(if_port, 0); |
| 155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | |
| 157 | /*====================================================================*/ |
| 158 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 159 | static int tc589_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 160 | static void tc589_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 162 | static u16 read_eeprom(unsigned int ioaddr, int index); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | static void tc589_reset(struct net_device *dev); |
| 164 | static void media_check(unsigned long arg); |
| 165 | static int el3_config(struct net_device *dev, struct ifmap *map); |
| 166 | static int el3_open(struct net_device *dev); |
Stephen Hemminger | dbf02fa | 2009-08-31 19:50:49 +0000 | [diff] [blame] | 167 | static netdev_tx_t el3_start_xmit(struct sk_buff *skb, |
| 168 | struct net_device *dev); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 169 | static irqreturn_t el3_interrupt(int irq, void *dev_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | static void update_stats(struct net_device *dev); |
| 171 | static struct net_device_stats *el3_get_stats(struct net_device *dev); |
| 172 | static int el3_rx(struct net_device *dev); |
| 173 | static int el3_close(struct net_device *dev); |
| 174 | static void el3_tx_timeout(struct net_device *dev); |
Ken Kawasaki | e445bb4 | 2009-07-19 13:08:12 +0000 | [diff] [blame] | 175 | static void set_rx_mode(struct net_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | static void set_multicast_list(struct net_device *dev); |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 177 | static const struct ethtool_ops netdev_ethtool_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 179 | static void tc589_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | /*====================================================================== |
| 182 | |
| 183 | tc589_attach() creates an "instance" of the driver, allocating |
| 184 | local data structures for one device. The device is registered |
| 185 | with Card Services. |
| 186 | |
| 187 | ======================================================================*/ |
| 188 | |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 189 | static const struct net_device_ops el3_netdev_ops = { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 190 | .ndo_open = el3_open, |
| 191 | .ndo_stop = el3_close, |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 192 | .ndo_start_xmit = el3_start_xmit, |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 193 | .ndo_tx_timeout = el3_tx_timeout, |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 194 | .ndo_set_config = el3_config, |
| 195 | .ndo_get_stats = el3_get_stats, |
| 196 | .ndo_set_multicast_list = set_multicast_list, |
| 197 | .ndo_change_mtu = eth_change_mtu, |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 198 | .ndo_set_mac_address = eth_mac_addr, |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 199 | .ndo_validate_addr = eth_validate_addr, |
| 200 | }; |
| 201 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 202 | static int tc589_probe(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | { |
| 204 | struct el3_private *lp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | struct net_device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 207 | dev_dbg(&link->dev, "3c589_attach()\n"); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | /* Create new ethernet device */ |
| 210 | dev = alloc_etherdev(sizeof(struct el3_private)); |
| 211 | if (!dev) |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 212 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | lp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | link->priv = dev; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 215 | lp->p_dev = link; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | |
| 217 | spin_lock_init(&lp->lock); |
| 218 | link->io.NumPorts1 = 16; |
| 219 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; |
Dominik Brodowski | 5fa9167 | 2009-11-08 17:24:46 +0100 | [diff] [blame] | 220 | link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | link->irq.Handler = &el3_interrupt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | link->conf.Attributes = CONF_ENABLE_IRQ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 224 | link->conf.ConfigIndex = 1; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 225 | |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 226 | dev->netdev_ops = &el3_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | dev->watchdog_timeo = TX_TIMEOUT; |
Stephen Hemminger | 97161d4 | 2009-03-20 19:36:01 +0000 | [diff] [blame] | 228 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
| 230 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 231 | return tc589_config(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | } /* tc589_attach */ |
| 233 | |
| 234 | /*====================================================================== |
| 235 | |
| 236 | This deletes a driver "instance". The device is de-registered |
| 237 | with Card Services. If it has been released, all local data |
| 238 | structures are freed. Otherwise, the structures will be freed |
| 239 | when the device is released. |
| 240 | |
| 241 | ======================================================================*/ |
| 242 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 243 | static void tc589_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | { |
| 245 | struct net_device *dev = link->priv; |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 246 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 247 | dev_dbg(&link->dev, "3c589_detach\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 249 | if (link->dev_node) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | unregister_netdev(dev); |
| 251 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 252 | tc589_release(link); |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | free_netdev(dev); |
| 255 | } /* tc589_detach */ |
| 256 | |
| 257 | /*====================================================================== |
| 258 | |
| 259 | tc589_config() is scheduled to run after a CARD_INSERTION event |
| 260 | is received, to configure the PCMCIA socket, and to make the |
| 261 | ethernet device available to the system. |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 262 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | ======================================================================*/ |
| 264 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 265 | static int tc589_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | struct net_device *dev = link->priv; |
| 268 | struct el3_private *lp = netdev_priv(dev); |
Al Viro | b1e247a | 2007-12-22 18:56:13 +0000 | [diff] [blame] | 269 | __be16 *phys_addr; |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 270 | int ret, i, j, multi = 0, fifo; |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 271 | unsigned int ioaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"}; |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 273 | u8 *buf; |
| 274 | size_t len; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 275 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 276 | dev_dbg(&link->dev, "3c589_config\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | |
Al Viro | b1e247a | 2007-12-22 18:56:13 +0000 | [diff] [blame] | 278 | phys_addr = (__be16 *)dev->dev_addr; |
Dominik Brodowski | efd5058 | 2006-10-25 21:28:53 -0400 | [diff] [blame] | 279 | /* Is this a 3c562? */ |
| 280 | if (link->manf_id != MANFID_3COM) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | printk(KERN_INFO "3c589_cs: hmmm, is this really a " |
| 282 | "3Com card??\n"); |
Dominik Brodowski | efd5058 | 2006-10-25 21:28:53 -0400 | [diff] [blame] | 283 | multi = (link->card_id == PRODID_3COM_3C562); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | |
| 285 | /* For the 3c562, the base address must be xx00-xx7f */ |
| 286 | link->io.IOAddrLines = 16; |
| 287 | for (i = j = 0; j < 0x400; j += 0x10) { |
| 288 | if (multi && (j & 0x80)) continue; |
| 289 | link->io.BasePort1 = j ^ 0x300; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 290 | i = pcmcia_request_io(link, &link->io); |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 291 | if (i == 0) |
| 292 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | } |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 294 | if (i != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | goto failed; |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 296 | |
| 297 | ret = pcmcia_request_irq(link, &link->irq); |
| 298 | if (ret) |
| 299 | goto failed; |
| 300 | |
| 301 | ret = pcmcia_request_configuration(link, &link->conf); |
| 302 | if (ret) |
| 303 | goto failed; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 304 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | dev->irq = link->irq.AssignedIRQ; |
| 306 | dev->base_addr = link->io.BasePort1; |
| 307 | ioaddr = dev->base_addr; |
| 308 | EL3WINDOW(0); |
| 309 | |
| 310 | /* The 3c589 has an extra EEPROM for configuration info, including |
| 311 | the hardware address. The 3c562 puts the address in the CIS. */ |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 312 | len = pcmcia_get_tuple(link, 0x88, &buf); |
| 313 | if (buf && len >= 6) { |
| 314 | for (i = 0; i < 3; i++) |
| 315 | phys_addr[i] = htons(le16_to_cpu(buf[i*2])); |
| 316 | kfree(buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | } else { |
Dominik Brodowski | dddfbd8 | 2009-10-18 23:54:24 +0200 | [diff] [blame] | 318 | kfree(buf); /* 0 < len < 6 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | for (i = 0; i < 3; i++) |
| 320 | phys_addr[i] = htons(read_eeprom(ioaddr, i)); |
Al Viro | b1e247a | 2007-12-22 18:56:13 +0000 | [diff] [blame] | 321 | if (phys_addr[0] == htons(0x6060)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | printk(KERN_ERR "3c589_cs: IO port conflict at 0x%03lx" |
| 323 | "-0x%03lx\n", dev->base_addr, dev->base_addr+15); |
| 324 | goto failed; |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | /* The address and resource configuration register aren't loaded from |
| 329 | the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */ |
| 330 | outw(0x3f00, ioaddr + 8); |
| 331 | fifo = inl(ioaddr); |
| 332 | |
| 333 | /* The if_port symbol can be set when the module is loaded */ |
| 334 | if ((if_port >= 0) && (if_port <= 3)) |
| 335 | dev->if_port = if_port; |
| 336 | else |
| 337 | printk(KERN_ERR "3c589_cs: invalid if_port requested\n"); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 338 | |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 339 | link->dev_node = &lp->node; |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame] | 340 | SET_NETDEV_DEV(dev, &link->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | |
| 342 | if (register_netdev(dev) != 0) { |
| 343 | printk(KERN_ERR "3c589_cs: register_netdev() failed\n"); |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 344 | link->dev_node = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | goto failed; |
| 346 | } |
| 347 | |
| 348 | strcpy(lp->node.dev_name, dev->name); |
| 349 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 350 | netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n", |
| 351 | (multi ? "562" : "589"), dev->base_addr, dev->irq, |
| 352 | dev->dev_addr); |
| 353 | netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n", |
| 354 | (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3], |
| 355 | if_names[dev->if_port]); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 356 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | failed: |
| 359 | tc589_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 360 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | } /* tc589_config */ |
| 362 | |
| 363 | /*====================================================================== |
| 364 | |
| 365 | After a card is removed, tc589_release() will unregister the net |
| 366 | device, and release the PCMCIA configuration. If the device is |
| 367 | still open, this will be postponed until it is closed. |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 368 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | ======================================================================*/ |
| 370 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 371 | static void tc589_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | { |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 373 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | } |
| 375 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 376 | static int tc589_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 377 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 378 | struct net_device *dev = link->priv; |
| 379 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 380 | if (link->open) |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 381 | netif_device_detach(dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 386 | static int tc589_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 387 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 388 | struct net_device *dev = link->priv; |
| 389 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 390 | if (link->open) { |
Dominik Brodowski | 8661bb5 | 2006-03-02 00:02:33 +0100 | [diff] [blame] | 391 | tc589_reset(dev); |
| 392 | netif_device_attach(dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | return 0; |
| 396 | } |
| 397 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | /*====================================================================*/ |
| 399 | |
| 400 | /* |
| 401 | Use this for commands that may take time to finish |
| 402 | */ |
| 403 | static void tc589_wait_for_completion(struct net_device *dev, int cmd) |
| 404 | { |
| 405 | int i = 100; |
| 406 | outw(cmd, dev->base_addr + EL3_CMD); |
| 407 | while (--i > 0) |
| 408 | if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break; |
| 409 | if (i == 0) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 410 | netdev_warn(dev, "command 0x%04x did not complete!\n", cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | /* |
| 414 | Read a word from the EEPROM using the regular EEPROM access register. |
| 415 | Assume that we are in register window zero. |
| 416 | */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 417 | static u16 read_eeprom(unsigned int ioaddr, int index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | { |
| 419 | int i; |
| 420 | outw(EEPROM_READ + index, ioaddr + 10); |
| 421 | /* Reading the eeprom takes 162 us */ |
| 422 | for (i = 1620; i >= 0; i--) |
| 423 | if ((inw(ioaddr + 10) & EEPROM_BUSY) == 0) |
| 424 | break; |
| 425 | return inw(ioaddr + 12); |
| 426 | } |
| 427 | |
| 428 | /* |
| 429 | Set transceiver type, perhaps to something other than what the user |
| 430 | specified in dev->if_port. |
| 431 | */ |
| 432 | static void tc589_set_xcvr(struct net_device *dev, int if_port) |
| 433 | { |
| 434 | struct el3_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 435 | unsigned int ioaddr = dev->base_addr; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 436 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | EL3WINDOW(0); |
| 438 | switch (if_port) { |
| 439 | case 0: case 1: outw(0, ioaddr + 6); break; |
| 440 | case 2: outw(3<<14, ioaddr + 6); break; |
| 441 | case 3: outw(1<<14, ioaddr + 6); break; |
| 442 | } |
| 443 | /* On PCMCIA, this just turns on the LED */ |
| 444 | outw((if_port == 2) ? StartCoax : StopCoax, ioaddr + EL3_CMD); |
| 445 | /* 10baseT interface, enable link beat and jabber check. */ |
| 446 | EL3WINDOW(4); |
| 447 | outw(MEDIA_LED | ((if_port < 2) ? MEDIA_TP : 0), ioaddr + WN4_MEDIA); |
| 448 | EL3WINDOW(1); |
| 449 | if (if_port == 2) |
| 450 | lp->media_status = ((dev->if_port == 0) ? 0x8000 : 0x4000); |
| 451 | else |
| 452 | lp->media_status = ((dev->if_port == 0) ? 0x4010 : 0x8800); |
| 453 | } |
| 454 | |
| 455 | static void dump_status(struct net_device *dev) |
| 456 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 457 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | EL3WINDOW(1); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 459 | netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n", |
| 460 | inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS), |
| 461 | inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | EL3WINDOW(4); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 463 | netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n", |
| 464 | inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08), |
| 465 | inw(ioaddr+0x0a)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | EL3WINDOW(1); |
| 467 | } |
| 468 | |
| 469 | /* Reset and restore all of the 3c589 registers. */ |
| 470 | static void tc589_reset(struct net_device *dev) |
| 471 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 472 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | int i; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 474 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | EL3WINDOW(0); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 476 | outw(0x0001, ioaddr + 4); /* Activate board. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */ |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 478 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | /* Set the station address in window 2. */ |
| 480 | EL3WINDOW(2); |
| 481 | for (i = 0; i < 6; i++) |
| 482 | outb(dev->dev_addr[i], ioaddr + i); |
| 483 | |
| 484 | tc589_set_xcvr(dev, dev->if_port); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 485 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | /* Switch to the stats window, and clear all stats by reading. */ |
| 487 | outw(StatsDisable, ioaddr + EL3_CMD); |
| 488 | EL3WINDOW(6); |
| 489 | for (i = 0; i < 9; i++) |
| 490 | inb(ioaddr+i); |
| 491 | inw(ioaddr + 10); |
| 492 | inw(ioaddr + 12); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 493 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | /* Switch to register set 1 for normal use. */ |
| 495 | EL3WINDOW(1); |
| 496 | |
Ken Kawasaki | e445bb4 | 2009-07-19 13:08:12 +0000 | [diff] [blame] | 497 | set_rx_mode(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | outw(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ |
| 499 | outw(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ |
| 500 | outw(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ |
| 501 | /* Allow status bits to be seen. */ |
| 502 | outw(SetStatusEnb | 0xff, ioaddr + EL3_CMD); |
| 503 | /* Ack all pending events, and set active indicator mask. */ |
| 504 | outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, |
| 505 | ioaddr + EL3_CMD); |
| 506 | outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull |
| 507 | | AdapterFailure, ioaddr + EL3_CMD); |
| 508 | } |
| 509 | |
| 510 | static void netdev_get_drvinfo(struct net_device *dev, |
| 511 | struct ethtool_drvinfo *info) |
| 512 | { |
| 513 | strcpy(info->driver, DRV_NAME); |
| 514 | strcpy(info->version, DRV_VERSION); |
| 515 | sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr); |
| 516 | } |
| 517 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 518 | static const struct ethtool_ops netdev_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | .get_drvinfo = netdev_get_drvinfo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | }; |
| 521 | |
| 522 | static int el3_config(struct net_device *dev, struct ifmap *map) |
| 523 | { |
| 524 | if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { |
| 525 | if (map->port <= 3) { |
| 526 | dev->if_port = map->port; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 527 | netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | tc589_set_xcvr(dev, dev->if_port); |
| 529 | } else |
| 530 | return -EINVAL; |
| 531 | } |
| 532 | return 0; |
| 533 | } |
| 534 | |
| 535 | static int el3_open(struct net_device *dev) |
| 536 | { |
| 537 | struct el3_private *lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 538 | struct pcmcia_device *link = lp->p_dev; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 539 | |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 540 | if (!pcmcia_dev_present(link)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | return -ENODEV; |
| 542 | |
| 543 | link->open++; |
| 544 | netif_start_queue(dev); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 545 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | tc589_reset(dev); |
| 547 | init_timer(&lp->media); |
| 548 | lp->media.function = &media_check; |
| 549 | lp->media.data = (unsigned long) dev; |
| 550 | lp->media.expires = jiffies + HZ; |
| 551 | add_timer(&lp->media); |
| 552 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 553 | dev_dbg(&link->dev, "%s: opened, status %4.4x.\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | dev->name, inw(dev->base_addr + EL3_STATUS)); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 555 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | static void el3_tx_timeout(struct net_device *dev) |
| 560 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 561 | unsigned int ioaddr = dev->base_addr; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 562 | |
| 563 | netdev_warn(dev, "Transmit timed out!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | dump_status(dev); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 565 | dev->stats.tx_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | dev->trans_start = jiffies; |
| 567 | /* Issue TX_RESET and TX_START commands. */ |
| 568 | tc589_wait_for_completion(dev, TxReset); |
| 569 | outw(TxEnable, ioaddr + EL3_CMD); |
| 570 | netif_wake_queue(dev); |
| 571 | } |
| 572 | |
| 573 | static void pop_tx_status(struct net_device *dev) |
| 574 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 575 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | int i; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 577 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | /* Clear the Tx status stack. */ |
| 579 | for (i = 32; i > 0; i--) { |
| 580 | u_char tx_status = inb(ioaddr + TX_STATUS); |
| 581 | if (!(tx_status & 0x84)) break; |
| 582 | /* reset transmitter on jabber error or underrun */ |
| 583 | if (tx_status & 0x30) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 584 | tc589_wait_for_completion(dev, TxReset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | if (tx_status & 0x38) { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 586 | netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status); |
| 587 | outw(TxEnable, ioaddr + EL3_CMD); |
| 588 | dev->stats.tx_aborted_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | } |
| 590 | outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ |
| 591 | } |
| 592 | } |
| 593 | |
Stephen Hemminger | dbf02fa | 2009-08-31 19:50:49 +0000 | [diff] [blame] | 594 | static netdev_tx_t el3_start_xmit(struct sk_buff *skb, |
| 595 | struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 597 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | struct el3_private *priv = netdev_priv(dev); |
Komuro | d08d283 | 2006-12-02 11:53:27 +0900 | [diff] [blame] | 599 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 601 | netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n", |
| 602 | (long)skb->len, inw(ioaddr + EL3_STATUS)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 604 | spin_lock_irqsave(&priv->lock, flags); |
Komuro | d08d283 | 2006-12-02 11:53:27 +0900 | [diff] [blame] | 605 | |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 606 | dev->stats.tx_bytes += skb->len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | |
| 608 | /* Put out the doubleword header... */ |
| 609 | outw(skb->len, ioaddr + TX_FIFO); |
| 610 | outw(0x00, ioaddr + TX_FIFO); |
| 611 | /* ... and the packet rounded to a doubleword. */ |
| 612 | outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); |
| 613 | |
| 614 | dev->trans_start = jiffies; |
| 615 | if (inw(ioaddr + TX_FREE) <= 1536) { |
| 616 | netif_stop_queue(dev); |
| 617 | /* Interrupt us when the FIFO has room for max-sized packet. */ |
| 618 | outw(SetTxThreshold + 1536, ioaddr + EL3_CMD); |
| 619 | } |
| 620 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | pop_tx_status(dev); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 622 | spin_unlock_irqrestore(&priv->lock, flags); |
Patrick McHardy | 63ac9b9 | 2007-07-02 16:08:28 +0200 | [diff] [blame] | 623 | dev_kfree_skb(skb); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 624 | |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 625 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | /* The EL3 interrupt handler. */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 629 | static irqreturn_t el3_interrupt(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | { |
| 631 | struct net_device *dev = (struct net_device *) dev_id; |
| 632 | struct el3_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 633 | unsigned int ioaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | __u16 status; |
| 635 | int i = 0, handled = 1; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 636 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | if (!netif_device_present(dev)) |
| 638 | return IRQ_NONE; |
| 639 | |
| 640 | ioaddr = dev->base_addr; |
| 641 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 642 | netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 644 | spin_lock(&lp->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | while ((status = inw(ioaddr + EL3_STATUS)) & |
| 646 | (IntLatch | RxComplete | StatsFull)) { |
| 647 | if ((status & 0xe000) != 0x2000) { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 648 | netdev_dbg(dev, "interrupt from dead card\n"); |
| 649 | handled = 0; |
| 650 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | if (status & RxComplete) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 653 | el3_rx(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | if (status & TxAvailable) { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 655 | netdev_dbg(dev, " TX room bit was handled.\n"); |
| 656 | /* There's room in the FIFO for a full-sized packet. */ |
| 657 | outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); |
| 658 | netif_wake_queue(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | if (status & TxComplete) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 661 | pop_tx_status(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | if (status & (AdapterFailure | RxEarly | StatsFull)) { |
| 663 | /* Handle all uncommon interrupts. */ |
| 664 | if (status & StatsFull) /* Empty statistics. */ |
| 665 | update_stats(dev); |
| 666 | if (status & RxEarly) { /* Rx early is unused. */ |
| 667 | el3_rx(dev); |
| 668 | outw(AckIntr | RxEarly, ioaddr + EL3_CMD); |
| 669 | } |
| 670 | if (status & AdapterFailure) { |
| 671 | u16 fifo_diag; |
| 672 | EL3WINDOW(4); |
| 673 | fifo_diag = inw(ioaddr + 4); |
| 674 | EL3WINDOW(1); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 675 | netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n", |
| 676 | fifo_diag); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | if (fifo_diag & 0x0400) { |
| 678 | /* Tx overrun */ |
| 679 | tc589_wait_for_completion(dev, TxReset); |
| 680 | outw(TxEnable, ioaddr + EL3_CMD); |
| 681 | } |
| 682 | if (fifo_diag & 0x2000) { |
| 683 | /* Rx underrun */ |
| 684 | tc589_wait_for_completion(dev, RxReset); |
Ken Kawasaki | e445bb4 | 2009-07-19 13:08:12 +0000 | [diff] [blame] | 685 | set_rx_mode(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | outw(RxEnable, ioaddr + EL3_CMD); |
| 687 | } |
| 688 | outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); |
| 689 | } |
| 690 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | if (++i > 10) { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 692 | netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n", |
| 693 | status); |
| 694 | /* Clear all interrupts */ |
| 695 | outw(AckIntr | 0xFF, ioaddr + EL3_CMD); |
| 696 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | } |
| 698 | /* Acknowledge the IRQ. */ |
| 699 | outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); |
| 700 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | lp->last_irq = jiffies; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 702 | spin_unlock(&lp->lock); |
| 703 | netdev_dbg(dev, "exiting interrupt, status %4.4x.\n", |
| 704 | inw(ioaddr + EL3_STATUS)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | return IRQ_RETVAL(handled); |
| 706 | } |
| 707 | |
| 708 | static void media_check(unsigned long arg) |
| 709 | { |
| 710 | struct net_device *dev = (struct net_device *)(arg); |
| 711 | struct el3_private *lp = netdev_priv(dev); |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 712 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | u16 media, errs; |
| 714 | unsigned long flags; |
| 715 | |
| 716 | if (!netif_device_present(dev)) goto reschedule; |
| 717 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | /* Check for pending interrupt with expired latency timer: with |
| 719 | this, we can limp along even if the interrupt is blocked */ |
| 720 | if ((inw(ioaddr + EL3_STATUS) & IntLatch) && |
| 721 | (inb(ioaddr + EL3_TIMER) == 0xff)) { |
| 722 | if (!lp->fast_poll) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 723 | netdev_warn(dev, "interrupt(s) dropped!\n"); |
Ken Kawasaki | 671c880 | 2009-12-12 14:44:11 +0000 | [diff] [blame] | 724 | |
| 725 | local_irq_save(flags); |
Komuro | d08d283 | 2006-12-02 11:53:27 +0900 | [diff] [blame] | 726 | el3_interrupt(dev->irq, dev); |
Ken Kawasaki | 671c880 | 2009-12-12 14:44:11 +0000 | [diff] [blame] | 727 | local_irq_restore(flags); |
| 728 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | lp->fast_poll = HZ; |
| 730 | } |
| 731 | if (lp->fast_poll) { |
| 732 | lp->fast_poll--; |
| 733 | lp->media.expires = jiffies + HZ/100; |
| 734 | add_timer(&lp->media); |
| 735 | return; |
| 736 | } |
| 737 | |
| 738 | /* lp->lock guards the EL3 window. Window should always be 1 except |
| 739 | when the lock is held */ |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 740 | spin_lock_irqsave(&lp->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | EL3WINDOW(4); |
| 742 | media = inw(ioaddr+WN4_MEDIA) & 0xc810; |
| 743 | |
| 744 | /* Ignore collisions unless we've had no irq's recently */ |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame] | 745 | if (time_before(jiffies, lp->last_irq + HZ)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | media &= ~0x0010; |
| 747 | } else { |
| 748 | /* Try harder to detect carrier errors */ |
| 749 | EL3WINDOW(6); |
| 750 | outw(StatsDisable, ioaddr + EL3_CMD); |
| 751 | errs = inb(ioaddr + 0); |
| 752 | outw(StatsEnable, ioaddr + EL3_CMD); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 753 | dev->stats.tx_carrier_errors += errs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | if (errs || (lp->media_status & 0x0010)) media |= 0x0010; |
| 755 | } |
| 756 | |
| 757 | if (media != lp->media_status) { |
| 758 | if ((media & lp->media_status & 0x8000) && |
| 759 | ((lp->media_status ^ media) & 0x0800)) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 760 | netdev_info(dev, "%s link beat\n", |
| 761 | (lp->media_status & 0x0800 ? "lost" : "found")); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | else if ((media & lp->media_status & 0x4000) && |
| 763 | ((lp->media_status ^ media) & 0x0010)) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 764 | netdev_info(dev, "coax cable %s\n", |
| 765 | (lp->media_status & 0x0010 ? "ok" : "problem")); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | if (dev->if_port == 0) { |
| 767 | if (media & 0x8000) { |
| 768 | if (media & 0x0800) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 769 | netdev_info(dev, "flipped to 10baseT\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | else |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 771 | tc589_set_xcvr(dev, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | } else if (media & 0x4000) { |
| 773 | if (media & 0x0010) |
| 774 | tc589_set_xcvr(dev, 1); |
| 775 | else |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 776 | netdev_info(dev, "flipped to 10base2\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | } |
| 778 | } |
| 779 | lp->media_status = media; |
| 780 | } |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 781 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | EL3WINDOW(1); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 783 | spin_unlock_irqrestore(&lp->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | |
| 785 | reschedule: |
| 786 | lp->media.expires = jiffies + HZ; |
| 787 | add_timer(&lp->media); |
| 788 | } |
| 789 | |
| 790 | static struct net_device_stats *el3_get_stats(struct net_device *dev) |
| 791 | { |
| 792 | struct el3_private *lp = netdev_priv(dev); |
| 793 | unsigned long flags; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 794 | struct pcmcia_device *link = lp->p_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 796 | if (pcmcia_dev_present(link)) { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 797 | spin_lock_irqsave(&lp->lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | update_stats(dev); |
| 799 | spin_unlock_irqrestore(&lp->lock, flags); |
| 800 | } |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 801 | return &dev->stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | /* |
| 805 | Update statistics. We change to register window 6, so this should be run |
| 806 | single-threaded if the device is active. This is expected to be a rare |
| 807 | operation, and it's simpler for the rest of the driver to assume that |
| 808 | window 1 is always valid rather than use a special window-state variable. |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | Caller must hold the lock for this |
| 811 | */ |
| 812 | static void update_stats(struct net_device *dev) |
| 813 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 814 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 816 | netdev_dbg(dev, "updating the statistics.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | /* Turn off statistics updates while reading. */ |
| 818 | outw(StatsDisable, ioaddr + EL3_CMD); |
| 819 | /* Switch to the stats window, and read everything. */ |
| 820 | EL3WINDOW(6); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 821 | dev->stats.tx_carrier_errors += inb(ioaddr + 0); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 822 | dev->stats.tx_heartbeat_errors += inb(ioaddr + 1); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 823 | /* Multiple collisions. */ inb(ioaddr + 2); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 824 | dev->stats.collisions += inb(ioaddr + 3); |
| 825 | dev->stats.tx_window_errors += inb(ioaddr + 4); |
| 826 | dev->stats.rx_fifo_errors += inb(ioaddr + 5); |
| 827 | dev->stats.tx_packets += inb(ioaddr + 6); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | /* Rx packets */ inb(ioaddr + 7); |
| 829 | /* Tx deferrals */ inb(ioaddr + 8); |
| 830 | /* Rx octets */ inw(ioaddr + 10); |
| 831 | /* Tx octets */ inw(ioaddr + 12); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 832 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | /* Back to window 1, and turn statistics back on. */ |
| 834 | EL3WINDOW(1); |
| 835 | outw(StatsEnable, ioaddr + EL3_CMD); |
| 836 | } |
| 837 | |
| 838 | static int el3_rx(struct net_device *dev) |
| 839 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 840 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | int worklimit = 32; |
| 842 | short rx_status; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 843 | |
| 844 | netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n", |
| 845 | inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) && |
Roel Kluin | b9bdcd9 | 2009-03-04 00:05:56 -0800 | [diff] [blame] | 847 | worklimit > 0) { |
| 848 | worklimit--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | if (rx_status & 0x4000) { /* Error, update stats. */ |
| 850 | short error = rx_status & 0x3800; |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 851 | dev->stats.rx_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | switch (error) { |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 853 | case 0x0000: dev->stats.rx_over_errors++; break; |
| 854 | case 0x0800: dev->stats.rx_length_errors++; break; |
| 855 | case 0x1000: dev->stats.rx_frame_errors++; break; |
| 856 | case 0x1800: dev->stats.rx_length_errors++; break; |
| 857 | case 0x2000: dev->stats.rx_frame_errors++; break; |
| 858 | case 0x2800: dev->stats.rx_crc_errors++; break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | } |
| 860 | } else { |
| 861 | short pkt_len = rx_status & 0x7ff; |
| 862 | struct sk_buff *skb; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 863 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | skb = dev_alloc_skb(pkt_len+5); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 865 | |
| 866 | netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n", |
| 867 | pkt_len, rx_status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | if (skb != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | skb_reserve(skb, 2); |
| 870 | insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len), |
| 871 | (pkt_len+3)>>2); |
| 872 | skb->protocol = eth_type_trans(skb, dev); |
| 873 | netif_rx(skb); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 874 | dev->stats.rx_packets++; |
| 875 | dev->stats.rx_bytes += pkt_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | } else { |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 877 | netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n", |
| 878 | pkt_len); |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 879 | dev->stats.rx_dropped++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | } |
| 881 | } |
| 882 | /* Pop the top of the Rx FIFO */ |
| 883 | tc589_wait_for_completion(dev, RxDiscard); |
| 884 | } |
| 885 | if (worklimit == 0) |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 886 | netdev_warn(dev, "too much work in el3_rx!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | return 0; |
| 888 | } |
| 889 | |
Ken Kawasaki | e445bb4 | 2009-07-19 13:08:12 +0000 | [diff] [blame] | 890 | static void set_rx_mode(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | { |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 892 | unsigned int ioaddr = dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | u16 opts = SetRxFilter | RxStation | RxBroadcast; |
| 894 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 895 | if (dev->flags & IFF_PROMISC) |
| 896 | opts |= RxMulticast | RxProm; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 897 | else if (!netdev_mc_empty(dev) || (dev->flags & IFF_ALLMULTI)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | opts |= RxMulticast; |
| 899 | outw(opts, ioaddr + EL3_CMD); |
| 900 | } |
| 901 | |
Ken Kawasaki | e445bb4 | 2009-07-19 13:08:12 +0000 | [diff] [blame] | 902 | static void set_multicast_list(struct net_device *dev) |
| 903 | { |
| 904 | struct el3_private *priv = netdev_priv(dev); |
| 905 | unsigned long flags; |
| 906 | |
| 907 | spin_lock_irqsave(&priv->lock, flags); |
| 908 | set_rx_mode(dev); |
| 909 | spin_unlock_irqrestore(&priv->lock, flags); |
| 910 | } |
| 911 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | static int el3_close(struct net_device *dev) |
| 913 | { |
| 914 | struct el3_private *lp = netdev_priv(dev); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 915 | struct pcmcia_device *link = lp->p_dev; |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 916 | unsigned int ioaddr = dev->base_addr; |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 917 | |
Dominik Brodowski | dd0fab5 | 2009-10-24 15:51:05 +0200 | [diff] [blame] | 918 | dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 919 | |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 920 | if (pcmcia_dev_present(link)) { |
Paulius Zaleckas | cd65284 | 2008-04-30 01:20:20 +0300 | [diff] [blame] | 921 | /* Turn off statistics ASAP. We update dev->stats below. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | outw(StatsDisable, ioaddr + EL3_CMD); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 923 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | /* Disable the receiver and transmitter. */ |
| 925 | outw(RxDisable, ioaddr + EL3_CMD); |
| 926 | outw(TxDisable, ioaddr + EL3_CMD); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 927 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | if (dev->if_port == 2) |
| 929 | /* Turn off thinnet power. Green! */ |
| 930 | outw(StopCoax, ioaddr + EL3_CMD); |
| 931 | else if (dev->if_port == 1) { |
| 932 | /* Disable link beat and jabber */ |
| 933 | EL3WINDOW(4); |
| 934 | outw(0, ioaddr + WN4_MEDIA); |
| 935 | } |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 936 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | /* Switching back to window 0 disables the IRQ. */ |
| 938 | EL3WINDOW(0); |
| 939 | /* But we explicitly zero the IRQ line select anyway. */ |
| 940 | outw(0x0f00, ioaddr + WN0_IRQ); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 941 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | /* Check if the card still exists */ |
| 943 | if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000) |
| 944 | update_stats(dev); |
| 945 | } |
| 946 | |
| 947 | link->open--; |
| 948 | netif_stop_queue(dev); |
| 949 | del_timer_sync(&lp->media); |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 950 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | return 0; |
| 952 | } |
| 953 | |
Dominik Brodowski | 7ffec58 | 2005-06-27 16:28:19 -0700 | [diff] [blame] | 954 | static struct pcmcia_device_id tc589_ids[] = { |
| 955 | PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0101, 0x0562), |
| 956 | PCMCIA_MFC_DEVICE_PROD_ID1(0, "Motorola MARQUIS", 0xf03e4e77), |
| 957 | PCMCIA_DEVICE_MANF_CARD(0x0101, 0x0589), |
| 958 | PCMCIA_DEVICE_PROD_ID12("Farallon", "ENet", 0x58d93fc4, 0x992c2202), |
Ken Kawasaki | f0a3a15 | 2009-05-01 19:21:26 -0700 | [diff] [blame] | 959 | PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x0035, "cis/3CXEM556.cis"), |
| 960 | PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0101, 0x003d, "cis/3CXEM556.cis"), |
Dominik Brodowski | 7ffec58 | 2005-06-27 16:28:19 -0700 | [diff] [blame] | 961 | PCMCIA_DEVICE_NULL, |
| 962 | }; |
| 963 | MODULE_DEVICE_TABLE(pcmcia, tc589_ids); |
| 964 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | static struct pcmcia_driver tc589_driver = { |
| 966 | .owner = THIS_MODULE, |
| 967 | .drv = { |
| 968 | .name = "3c589_cs", |
| 969 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 970 | .probe = tc589_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 971 | .remove = tc589_detach, |
Alexander Kurz | f64e969 | 2010-03-31 02:42:10 +0000 | [diff] [blame] | 972 | .id_table = tc589_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 973 | .suspend = tc589_suspend, |
| 974 | .resume = tc589_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | }; |
| 976 | |
| 977 | static int __init init_tc589(void) |
| 978 | { |
| 979 | return pcmcia_register_driver(&tc589_driver); |
| 980 | } |
| 981 | |
| 982 | static void __exit exit_tc589(void) |
| 983 | { |
| 984 | pcmcia_unregister_driver(&tc589_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | module_init(init_tc589); |
| 988 | module_exit(exit_tc589); |