Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/acorn/net/etherh.c |
| 3 | * |
| 4 | * Copyright (C) 2000-2002 Russell King |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * NS8390 I-cubed EtherH and ANT EtherM specific driver |
| 11 | * Thanks to I-Cubed for information on their cards. |
| 12 | * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton |
| 13 | * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan) |
| 14 | * EtherM integration re-engineered by Russell King. |
| 15 | * |
| 16 | * Changelog: |
| 17 | * 08-12-1996 RMK 1.00 Created |
| 18 | * RMK 1.03 Added support for EtherLan500 cards |
| 19 | * 23-11-1997 RMK 1.04 Added media autodetection |
| 20 | * 16-04-1998 RMK 1.05 Improved media autodetection |
| 21 | * 10-02-2000 RMK 1.06 Updated for 2.3.43 |
| 22 | * 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8 |
| 23 | * 12-10-1999 CK/TEW EtherM driver first release |
| 24 | * 21-12-2000 TTC EtherH/EtherM integration |
| 25 | * 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver. |
| 26 | * 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot. |
| 27 | */ |
| 28 | |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/kernel.h> |
| 31 | #include <linux/sched.h> |
| 32 | #include <linux/types.h> |
| 33 | #include <linux/fcntl.h> |
| 34 | #include <linux/interrupt.h> |
| 35 | #include <linux/ptrace.h> |
| 36 | #include <linux/ioport.h> |
| 37 | #include <linux/in.h> |
| 38 | #include <linux/slab.h> |
| 39 | #include <linux/string.h> |
| 40 | #include <linux/errno.h> |
| 41 | #include <linux/netdevice.h> |
| 42 | #include <linux/etherdevice.h> |
| 43 | #include <linux/ethtool.h> |
| 44 | #include <linux/skbuff.h> |
| 45 | #include <linux/delay.h> |
| 46 | #include <linux/device.h> |
| 47 | #include <linux/init.h> |
| 48 | #include <linux/bitops.h> |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame^] | 49 | #include <linux/jiffies.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
| 51 | #include <asm/system.h> |
| 52 | #include <asm/ecard.h> |
| 53 | #include <asm/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
| 55 | #include "../8390.h" |
| 56 | |
| 57 | #define NET_DEBUG 0 |
| 58 | #define DEBUG_INIT 2 |
| 59 | |
| 60 | #define DRV_NAME "etherh" |
| 61 | #define DRV_VERSION "1.11" |
| 62 | |
| 63 | static unsigned int net_debug = NET_DEBUG; |
| 64 | |
| 65 | struct etherh_priv { |
| 66 | void __iomem *ioc_fast; |
| 67 | void __iomem *memc; |
| 68 | void __iomem *dma_base; |
| 69 | unsigned int id; |
| 70 | void __iomem *ctrl_port; |
| 71 | unsigned char ctrl; |
| 72 | u32 supported; |
| 73 | }; |
| 74 | |
| 75 | struct etherh_data { |
| 76 | unsigned long ns8390_offset; |
| 77 | unsigned long dataport_offset; |
| 78 | unsigned long ctrlport_offset; |
| 79 | int ctrl_ioc; |
| 80 | const char name[16]; |
| 81 | u32 supported; |
| 82 | unsigned char tx_start_page; |
| 83 | unsigned char stop_page; |
| 84 | }; |
| 85 | |
| 86 | MODULE_AUTHOR("Russell King"); |
| 87 | MODULE_DESCRIPTION("EtherH/EtherM driver"); |
| 88 | MODULE_LICENSE("GPL"); |
| 89 | |
| 90 | static char version[] __initdata = |
| 91 | "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; |
| 92 | |
| 93 | #define ETHERH500_DATAPORT 0x800 /* MEMC */ |
| 94 | #define ETHERH500_NS8390 0x000 /* MEMC */ |
| 95 | #define ETHERH500_CTRLPORT 0x800 /* IOC */ |
| 96 | |
| 97 | #define ETHERH600_DATAPORT 0x040 /* MEMC */ |
| 98 | #define ETHERH600_NS8390 0x800 /* MEMC */ |
| 99 | #define ETHERH600_CTRLPORT 0x200 /* MEMC */ |
| 100 | |
| 101 | #define ETHERH_CP_IE 1 |
| 102 | #define ETHERH_CP_IF 2 |
| 103 | #define ETHERH_CP_HEARTBEAT 2 |
| 104 | |
| 105 | #define ETHERH_TX_START_PAGE 1 |
| 106 | #define ETHERH_STOP_PAGE 127 |
| 107 | |
| 108 | /* |
| 109 | * These came from CK/TEW |
| 110 | */ |
| 111 | #define ETHERM_DATAPORT 0x200 /* MEMC */ |
| 112 | #define ETHERM_NS8390 0x800 /* MEMC */ |
| 113 | #define ETHERM_CTRLPORT 0x23c /* MEMC */ |
| 114 | |
| 115 | #define ETHERM_TX_START_PAGE 64 |
| 116 | #define ETHERM_STOP_PAGE 127 |
| 117 | |
| 118 | /* ------------------------------------------------------------------------ */ |
| 119 | |
| 120 | #define etherh_priv(dev) \ |
| 121 | ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) |
| 122 | |
| 123 | static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask) |
| 124 | { |
| 125 | unsigned char ctrl = eh->ctrl | mask; |
| 126 | eh->ctrl = ctrl; |
| 127 | writeb(ctrl, eh->ctrl_port); |
| 128 | } |
| 129 | |
| 130 | static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) |
| 131 | { |
| 132 | unsigned char ctrl = eh->ctrl & ~mask; |
| 133 | eh->ctrl = ctrl; |
| 134 | writeb(ctrl, eh->ctrl_port); |
| 135 | } |
| 136 | |
| 137 | static inline unsigned int etherh_get_stat(struct etherh_priv *eh) |
| 138 | { |
| 139 | return readb(eh->ctrl_port); |
| 140 | } |
| 141 | |
| 142 | |
| 143 | |
| 144 | |
| 145 | static void etherh_irq_enable(ecard_t *ec, int irqnr) |
| 146 | { |
| 147 | struct etherh_priv *eh = ec->irq_data; |
| 148 | |
| 149 | etherh_set_ctrl(eh, ETHERH_CP_IE); |
| 150 | } |
| 151 | |
| 152 | static void etherh_irq_disable(ecard_t *ec, int irqnr) |
| 153 | { |
| 154 | struct etherh_priv *eh = ec->irq_data; |
| 155 | |
| 156 | etherh_clr_ctrl(eh, ETHERH_CP_IE); |
| 157 | } |
| 158 | |
| 159 | static expansioncard_ops_t etherh_ops = { |
| 160 | .irqenable = etherh_irq_enable, |
| 161 | .irqdisable = etherh_irq_disable, |
| 162 | }; |
| 163 | |
| 164 | |
| 165 | |
| 166 | |
| 167 | static void |
| 168 | etherh_setif(struct net_device *dev) |
| 169 | { |
| 170 | struct ei_device *ei_local = netdev_priv(dev); |
| 171 | unsigned long flags; |
| 172 | void __iomem *addr; |
| 173 | |
| 174 | local_irq_save(flags); |
| 175 | |
| 176 | /* set the interface type */ |
| 177 | switch (etherh_priv(dev)->id) { |
| 178 | case PROD_I3_ETHERLAN600: |
| 179 | case PROD_I3_ETHERLAN600A: |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 180 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | |
| 182 | switch (dev->if_port) { |
| 183 | case IF_PORT_10BASE2: |
| 184 | writeb((readb(addr) & 0xf8) | 1, addr); |
| 185 | break; |
| 186 | case IF_PORT_10BASET: |
| 187 | writeb((readb(addr) & 0xf8), addr); |
| 188 | break; |
| 189 | } |
| 190 | break; |
| 191 | |
| 192 | case PROD_I3_ETHERLAN500: |
| 193 | switch (dev->if_port) { |
| 194 | case IF_PORT_10BASE2: |
| 195 | etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); |
| 196 | break; |
| 197 | |
| 198 | case IF_PORT_10BASET: |
| 199 | etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); |
| 200 | break; |
| 201 | } |
| 202 | break; |
| 203 | |
| 204 | default: |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | local_irq_restore(flags); |
| 209 | } |
| 210 | |
| 211 | static int |
| 212 | etherh_getifstat(struct net_device *dev) |
| 213 | { |
| 214 | struct ei_device *ei_local = netdev_priv(dev); |
| 215 | void __iomem *addr; |
| 216 | int stat = 0; |
| 217 | |
| 218 | switch (etherh_priv(dev)->id) { |
| 219 | case PROD_I3_ETHERLAN600: |
| 220 | case PROD_I3_ETHERLAN600A: |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 221 | addr = (void *)dev->base_addr + EN0_RCNTHI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | switch (dev->if_port) { |
| 223 | case IF_PORT_10BASE2: |
| 224 | stat = 1; |
| 225 | break; |
| 226 | case IF_PORT_10BASET: |
| 227 | stat = readb(addr) & 4; |
| 228 | break; |
| 229 | } |
| 230 | break; |
| 231 | |
| 232 | case PROD_I3_ETHERLAN500: |
| 233 | switch (dev->if_port) { |
| 234 | case IF_PORT_10BASE2: |
| 235 | stat = 1; |
| 236 | break; |
| 237 | case IF_PORT_10BASET: |
| 238 | stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; |
| 239 | break; |
| 240 | } |
| 241 | break; |
| 242 | |
| 243 | default: |
| 244 | stat = 0; |
| 245 | break; |
| 246 | } |
| 247 | |
| 248 | return stat != 0; |
| 249 | } |
| 250 | |
| 251 | /* |
| 252 | * Configure the interface. Note that we ignore the other |
| 253 | * parts of ifmap, since its mostly meaningless for this driver. |
| 254 | */ |
| 255 | static int etherh_set_config(struct net_device *dev, struct ifmap *map) |
| 256 | { |
| 257 | switch (map->port) { |
| 258 | case IF_PORT_10BASE2: |
| 259 | case IF_PORT_10BASET: |
| 260 | /* |
| 261 | * If the user explicitly sets the interface |
| 262 | * media type, turn off automedia detection. |
| 263 | */ |
| 264 | dev->flags &= ~IFF_AUTOMEDIA; |
| 265 | dev->if_port = map->port; |
| 266 | break; |
| 267 | |
| 268 | default: |
| 269 | return -EINVAL; |
| 270 | } |
| 271 | |
| 272 | etherh_setif(dev); |
| 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | /* |
| 278 | * Reset the 8390 (hard reset). Note that we can't actually do this. |
| 279 | */ |
| 280 | static void |
| 281 | etherh_reset(struct net_device *dev) |
| 282 | { |
| 283 | struct ei_device *ei_local = netdev_priv(dev); |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 284 | void __iomem *addr = (void *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | |
| 286 | writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); |
| 287 | |
| 288 | /* |
| 289 | * See if we need to change the interface type. |
| 290 | * Note that we use 'interface_num' as a flag |
| 291 | * to indicate that we need to change the media. |
| 292 | */ |
| 293 | if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { |
| 294 | ei_local->interface_num = 0; |
| 295 | |
| 296 | if (dev->if_port == IF_PORT_10BASET) |
| 297 | dev->if_port = IF_PORT_10BASE2; |
| 298 | else |
| 299 | dev->if_port = IF_PORT_10BASET; |
| 300 | |
| 301 | etherh_setif(dev); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | /* |
| 306 | * Write a block of data out to the 8390 |
| 307 | */ |
| 308 | static void |
| 309 | etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) |
| 310 | { |
| 311 | struct ei_device *ei_local = netdev_priv(dev); |
| 312 | unsigned long dma_start; |
| 313 | void __iomem *dma_base, *addr; |
| 314 | |
| 315 | if (ei_local->dmaing) { |
| 316 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " |
| 317 | " DMAstat %d irqlock %d\n", dev->name, |
| 318 | ei_local->dmaing, ei_local->irqlock); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | /* |
| 323 | * Make sure we have a round number of bytes if we're in word mode. |
| 324 | */ |
| 325 | if (count & 1 && ei_local->word16) |
| 326 | count++; |
| 327 | |
| 328 | ei_local->dmaing = 1; |
| 329 | |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 330 | addr = (void *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | dma_base = etherh_priv(dev)->dma_base; |
| 332 | |
| 333 | count = (count + 1) & ~1; |
| 334 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 335 | |
| 336 | writeb (0x42, addr + EN0_RCNTLO); |
| 337 | writeb (0x00, addr + EN0_RCNTHI); |
| 338 | writeb (0x42, addr + EN0_RSARLO); |
| 339 | writeb (0x00, addr + EN0_RSARHI); |
| 340 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 341 | |
| 342 | udelay (1); |
| 343 | |
| 344 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 345 | writeb (count, addr + EN0_RCNTLO); |
| 346 | writeb (count >> 8, addr + EN0_RCNTHI); |
| 347 | writeb (0, addr + EN0_RSARLO); |
| 348 | writeb (start_page, addr + EN0_RSARHI); |
| 349 | writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); |
| 350 | |
| 351 | if (ei_local->word16) |
| 352 | writesw (dma_base, buf, count >> 1); |
| 353 | else |
| 354 | writesb (dma_base, buf, count); |
| 355 | |
| 356 | dma_start = jiffies; |
| 357 | |
| 358 | while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame^] | 359 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | printk(KERN_ERR "%s: timeout waiting for TX RDC\n", |
| 361 | dev->name); |
| 362 | etherh_reset (dev); |
| 363 | NS8390_init (dev, 1); |
| 364 | break; |
| 365 | } |
| 366 | |
| 367 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 368 | ei_local->dmaing = 0; |
| 369 | } |
| 370 | |
| 371 | /* |
| 372 | * Read a block of data from the 8390 |
| 373 | */ |
| 374 | static void |
| 375 | etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) |
| 376 | { |
| 377 | struct ei_device *ei_local = netdev_priv(dev); |
| 378 | unsigned char *buf; |
| 379 | void __iomem *dma_base, *addr; |
| 380 | |
| 381 | if (ei_local->dmaing) { |
| 382 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " |
| 383 | " DMAstat %d irqlock %d\n", dev->name, |
| 384 | ei_local->dmaing, ei_local->irqlock); |
| 385 | return; |
| 386 | } |
| 387 | |
| 388 | ei_local->dmaing = 1; |
| 389 | |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 390 | addr = (void *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | dma_base = etherh_priv(dev)->dma_base; |
| 392 | |
| 393 | buf = skb->data; |
| 394 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 395 | writeb (count, addr + EN0_RCNTLO); |
| 396 | writeb (count >> 8, addr + EN0_RCNTHI); |
| 397 | writeb (ring_offset, addr + EN0_RSARLO); |
| 398 | writeb (ring_offset >> 8, addr + EN0_RSARHI); |
| 399 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 400 | |
| 401 | if (ei_local->word16) { |
| 402 | readsw (dma_base, buf, count >> 1); |
| 403 | if (count & 1) |
| 404 | buf[count - 1] = readb (dma_base); |
| 405 | } else |
| 406 | readsb (dma_base, buf, count); |
| 407 | |
| 408 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 409 | ei_local->dmaing = 0; |
| 410 | } |
| 411 | |
| 412 | /* |
| 413 | * Read a header from the 8390 |
| 414 | */ |
| 415 | static void |
| 416 | etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) |
| 417 | { |
| 418 | struct ei_device *ei_local = netdev_priv(dev); |
| 419 | void __iomem *dma_base, *addr; |
| 420 | |
| 421 | if (ei_local->dmaing) { |
| 422 | printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " |
| 423 | " DMAstat %d irqlock %d\n", dev->name, |
| 424 | ei_local->dmaing, ei_local->irqlock); |
| 425 | return; |
| 426 | } |
| 427 | |
| 428 | ei_local->dmaing = 1; |
| 429 | |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 430 | addr = (void *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | dma_base = etherh_priv(dev)->dma_base; |
| 432 | |
| 433 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 434 | writeb (sizeof (*hdr), addr + EN0_RCNTLO); |
| 435 | writeb (0, addr + EN0_RCNTHI); |
| 436 | writeb (0, addr + EN0_RSARLO); |
| 437 | writeb (ring_page, addr + EN0_RSARHI); |
| 438 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 439 | |
| 440 | if (ei_local->word16) |
| 441 | readsw (dma_base, hdr, sizeof (*hdr) >> 1); |
| 442 | else |
| 443 | readsb (dma_base, hdr, sizeof (*hdr)); |
| 444 | |
| 445 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 446 | ei_local->dmaing = 0; |
| 447 | } |
| 448 | |
| 449 | /* |
| 450 | * Open/initialize the board. This is called (in the current kernel) |
| 451 | * sometime after booting when the 'ifconfig' program is run. |
| 452 | * |
| 453 | * This routine should set everything up anew at each open, even |
| 454 | * registers that "should" only need to be set once at boot, so that |
| 455 | * there is non-reboot way to recover if something goes wrong. |
| 456 | */ |
| 457 | static int |
| 458 | etherh_open(struct net_device *dev) |
| 459 | { |
| 460 | struct ei_device *ei_local = netdev_priv(dev); |
| 461 | |
| 462 | if (!is_valid_ether_addr(dev->dev_addr)) { |
| 463 | printk(KERN_WARNING "%s: invalid ethernet MAC address\n", |
| 464 | dev->name); |
| 465 | return -EINVAL; |
| 466 | } |
| 467 | |
| 468 | if (request_irq(dev->irq, ei_interrupt, 0, dev->name, dev)) |
| 469 | return -EAGAIN; |
| 470 | |
| 471 | /* |
| 472 | * Make sure that we aren't going to change the |
| 473 | * media type on the next reset - we are about to |
| 474 | * do automedia manually now. |
| 475 | */ |
| 476 | ei_local->interface_num = 0; |
| 477 | |
| 478 | /* |
| 479 | * If we are doing automedia detection, do it now. |
| 480 | * This is more reliable than the 8390's detection. |
| 481 | */ |
| 482 | if (dev->flags & IFF_AUTOMEDIA) { |
| 483 | dev->if_port = IF_PORT_10BASET; |
| 484 | etherh_setif(dev); |
| 485 | mdelay(1); |
| 486 | if (!etherh_getifstat(dev)) { |
| 487 | dev->if_port = IF_PORT_10BASE2; |
| 488 | etherh_setif(dev); |
| 489 | } |
| 490 | } else |
| 491 | etherh_setif(dev); |
| 492 | |
| 493 | etherh_reset(dev); |
| 494 | ei_open(dev); |
| 495 | |
| 496 | return 0; |
| 497 | } |
| 498 | |
| 499 | /* |
| 500 | * The inverse routine to etherh_open(). |
| 501 | */ |
| 502 | static int |
| 503 | etherh_close(struct net_device *dev) |
| 504 | { |
| 505 | ei_close (dev); |
| 506 | free_irq (dev->irq, dev); |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | /* |
| 511 | * Initialisation |
| 512 | */ |
| 513 | |
| 514 | static void __init etherh_banner(void) |
| 515 | { |
| 516 | static int version_printed; |
| 517 | |
| 518 | if (net_debug && version_printed++ == 0) |
| 519 | printk(KERN_INFO "%s", version); |
| 520 | } |
| 521 | |
| 522 | /* |
| 523 | * Read the ethernet address string from the on board rom. |
| 524 | * This is an ascii string... |
| 525 | */ |
| 526 | static int __init etherh_addr(char *addr, struct expansion_card *ec) |
| 527 | { |
| 528 | struct in_chunk_dir cd; |
| 529 | char *s; |
| 530 | |
| 531 | if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { |
| 532 | printk(KERN_ERR "%s: unable to read podule description string\n", |
| 533 | ec->dev.bus_id); |
| 534 | goto no_addr; |
| 535 | } |
| 536 | |
| 537 | s = strchr(cd.d.string, '('); |
| 538 | if (s) { |
| 539 | int i; |
| 540 | |
| 541 | for (i = 0; i < 6; i++) { |
| 542 | addr[i] = simple_strtoul(s + 1, &s, 0x10); |
| 543 | if (*s != (i == 5? ')' : ':')) |
| 544 | break; |
| 545 | } |
| 546 | |
| 547 | if (i == 6) |
| 548 | return 0; |
| 549 | } |
| 550 | |
| 551 | printk(KERN_ERR "%s: unable to parse MAC address: %s\n", |
| 552 | ec->dev.bus_id, cd.d.string); |
| 553 | |
| 554 | no_addr: |
| 555 | return -ENODEV; |
| 556 | } |
| 557 | |
| 558 | /* |
| 559 | * Create an ethernet address from the system serial number. |
| 560 | */ |
| 561 | static int __init etherm_addr(char *addr) |
| 562 | { |
| 563 | unsigned int serial; |
| 564 | |
| 565 | if (system_serial_low == 0 && system_serial_high == 0) |
| 566 | return -ENODEV; |
| 567 | |
| 568 | serial = system_serial_low | system_serial_high; |
| 569 | |
| 570 | addr[0] = 0; |
| 571 | addr[1] = 0; |
| 572 | addr[2] = 0xa4; |
| 573 | addr[3] = 0x10 + (serial >> 24); |
| 574 | addr[4] = serial >> 16; |
| 575 | addr[5] = serial >> 8; |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 580 | { |
| 581 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
| 582 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); |
| 583 | strlcpy(info->bus_info, dev->class_dev.dev->bus_id, |
| 584 | sizeof(info->bus_info)); |
| 585 | } |
| 586 | |
| 587 | static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 588 | { |
| 589 | cmd->supported = etherh_priv(dev)->supported; |
| 590 | cmd->speed = SPEED_10; |
| 591 | cmd->duplex = DUPLEX_HALF; |
| 592 | cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; |
| 593 | cmd->autoneg = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE; |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 598 | { |
| 599 | switch (cmd->autoneg) { |
| 600 | case AUTONEG_ENABLE: |
| 601 | dev->flags |= IFF_AUTOMEDIA; |
| 602 | break; |
| 603 | |
| 604 | case AUTONEG_DISABLE: |
| 605 | switch (cmd->port) { |
| 606 | case PORT_TP: |
| 607 | dev->if_port = IF_PORT_10BASET; |
| 608 | break; |
| 609 | |
| 610 | case PORT_BNC: |
| 611 | dev->if_port = IF_PORT_10BASE2; |
| 612 | break; |
| 613 | |
| 614 | default: |
| 615 | return -EINVAL; |
| 616 | } |
| 617 | dev->flags &= ~IFF_AUTOMEDIA; |
| 618 | break; |
| 619 | |
| 620 | default: |
| 621 | return -EINVAL; |
| 622 | } |
| 623 | |
| 624 | etherh_setif(dev); |
| 625 | |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | static struct ethtool_ops etherh_ethtool_ops = { |
| 630 | .get_settings = etherh_get_settings, |
| 631 | .set_settings = etherh_set_settings, |
| 632 | .get_drvinfo = etherh_get_drvinfo, |
| 633 | }; |
| 634 | |
| 635 | static u32 etherh_regoffsets[16]; |
| 636 | static u32 etherm_regoffsets[16]; |
| 637 | |
| 638 | static int __init |
| 639 | etherh_probe(struct expansion_card *ec, const struct ecard_id *id) |
| 640 | { |
| 641 | const struct etherh_data *data = id->data; |
| 642 | struct ei_device *ei_local; |
| 643 | struct net_device *dev; |
| 644 | struct etherh_priv *eh; |
| 645 | int i, ret; |
| 646 | |
| 647 | etherh_banner(); |
| 648 | |
| 649 | ret = ecard_request_resources(ec); |
| 650 | if (ret) |
| 651 | goto out; |
| 652 | |
| 653 | dev = __alloc_ei_netdev(sizeof(struct etherh_priv)); |
| 654 | if (!dev) { |
| 655 | ret = -ENOMEM; |
| 656 | goto release; |
| 657 | } |
| 658 | |
| 659 | SET_MODULE_OWNER(dev); |
| 660 | SET_NETDEV_DEV(dev, &ec->dev); |
| 661 | |
| 662 | dev->open = etherh_open; |
| 663 | dev->stop = etherh_close; |
| 664 | dev->set_config = etherh_set_config; |
| 665 | dev->irq = ec->irq; |
| 666 | dev->ethtool_ops = ðerh_ethtool_ops; |
| 667 | |
| 668 | if (data->supported & SUPPORTED_Autoneg) |
| 669 | dev->flags |= IFF_AUTOMEDIA; |
| 670 | if (data->supported & SUPPORTED_TP) { |
| 671 | dev->flags |= IFF_PORTSEL; |
| 672 | dev->if_port = IF_PORT_10BASET; |
| 673 | } else if (data->supported & SUPPORTED_BNC) { |
| 674 | dev->flags |= IFF_PORTSEL; |
| 675 | dev->if_port = IF_PORT_10BASE2; |
| 676 | } else |
| 677 | dev->if_port = IF_PORT_UNKNOWN; |
| 678 | |
| 679 | eh = etherh_priv(dev); |
| 680 | eh->supported = data->supported; |
| 681 | eh->ctrl = 0; |
| 682 | eh->id = ec->cid.product; |
| 683 | eh->memc = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), PAGE_SIZE); |
| 684 | if (!eh->memc) { |
| 685 | ret = -ENOMEM; |
| 686 | goto free; |
| 687 | } |
| 688 | |
| 689 | eh->ctrl_port = eh->memc; |
| 690 | if (data->ctrl_ioc) { |
| 691 | eh->ioc_fast = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST), PAGE_SIZE); |
| 692 | if (!eh->ioc_fast) { |
| 693 | ret = -ENOMEM; |
| 694 | goto free; |
| 695 | } |
| 696 | eh->ctrl_port = eh->ioc_fast; |
| 697 | } |
| 698 | |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 699 | dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | eh->dma_base = eh->memc + data->dataport_offset; |
| 701 | eh->ctrl_port += data->ctrlport_offset; |
| 702 | |
| 703 | /* |
| 704 | * IRQ and control port handling - only for non-NIC slot cards. |
| 705 | */ |
| 706 | if (ec->slot_no != 8) { |
| 707 | ec->ops = ðerh_ops; |
| 708 | ec->irq_data = eh; |
| 709 | } else { |
| 710 | /* |
| 711 | * If we're in the NIC slot, make sure the IRQ is enabled |
| 712 | */ |
| 713 | etherh_set_ctrl(eh, ETHERH_CP_IE); |
| 714 | } |
| 715 | |
| 716 | ei_local = netdev_priv(dev); |
| 717 | spin_lock_init(&ei_local->page_lock); |
| 718 | |
| 719 | if (ec->cid.product == PROD_ANT_ETHERM) { |
| 720 | etherm_addr(dev->dev_addr); |
| 721 | ei_local->reg_offset = etherm_regoffsets; |
| 722 | } else { |
| 723 | etherh_addr(dev->dev_addr, ec); |
| 724 | ei_local->reg_offset = etherh_regoffsets; |
| 725 | } |
| 726 | |
| 727 | ei_local->name = dev->name; |
| 728 | ei_local->word16 = 1; |
| 729 | ei_local->tx_start_page = data->tx_start_page; |
| 730 | ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES; |
| 731 | ei_local->stop_page = data->stop_page; |
| 732 | ei_local->reset_8390 = etherh_reset; |
| 733 | ei_local->block_input = etherh_block_input; |
| 734 | ei_local->block_output = etherh_block_output; |
| 735 | ei_local->get_8390_hdr = etherh_get_header; |
| 736 | ei_local->interface_num = 0; |
| 737 | |
| 738 | etherh_reset(dev); |
| 739 | NS8390_init(dev, 0); |
| 740 | |
| 741 | ret = register_netdev(dev); |
| 742 | if (ret) |
| 743 | goto free; |
| 744 | |
| 745 | printk(KERN_INFO "%s: %s in slot %d, ", |
| 746 | dev->name, data->name, ec->slot_no); |
| 747 | |
| 748 | for (i = 0; i < 6; i++) |
| 749 | printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':'); |
| 750 | |
| 751 | ecard_set_drvdata(ec, dev); |
| 752 | |
| 753 | return 0; |
| 754 | |
| 755 | free: |
| 756 | if (eh->ioc_fast) |
| 757 | iounmap(eh->ioc_fast); |
| 758 | if (eh->memc) |
| 759 | iounmap(eh->memc); |
| 760 | free_netdev(dev); |
| 761 | release: |
| 762 | ecard_release_resources(ec); |
| 763 | out: |
| 764 | return ret; |
| 765 | } |
| 766 | |
| 767 | static void __devexit etherh_remove(struct expansion_card *ec) |
| 768 | { |
| 769 | struct net_device *dev = ecard_get_drvdata(ec); |
| 770 | struct etherh_priv *eh = etherh_priv(dev); |
| 771 | |
| 772 | ecard_set_drvdata(ec, NULL); |
| 773 | |
| 774 | unregister_netdev(dev); |
| 775 | ec->ops = NULL; |
| 776 | |
| 777 | if (eh->ioc_fast) |
| 778 | iounmap(eh->ioc_fast); |
| 779 | iounmap(eh->memc); |
| 780 | |
| 781 | free_netdev(dev); |
| 782 | |
| 783 | ecard_release_resources(ec); |
| 784 | } |
| 785 | |
| 786 | static struct etherh_data etherm_data = { |
| 787 | .ns8390_offset = ETHERM_NS8390, |
| 788 | .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, |
| 789 | .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, |
| 790 | .name = "ANT EtherM", |
| 791 | .supported = SUPPORTED_10baseT_Half, |
| 792 | .tx_start_page = ETHERM_TX_START_PAGE, |
| 793 | .stop_page = ETHERM_STOP_PAGE, |
| 794 | }; |
| 795 | |
| 796 | static struct etherh_data etherlan500_data = { |
| 797 | .ns8390_offset = ETHERH500_NS8390, |
| 798 | .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, |
| 799 | .ctrlport_offset = ETHERH500_CTRLPORT, |
| 800 | .ctrl_ioc = 1, |
| 801 | .name = "i3 EtherH 500", |
| 802 | .supported = SUPPORTED_10baseT_Half, |
| 803 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 804 | .stop_page = ETHERH_STOP_PAGE, |
| 805 | }; |
| 806 | |
| 807 | static struct etherh_data etherlan600_data = { |
| 808 | .ns8390_offset = ETHERH600_NS8390, |
| 809 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, |
| 810 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, |
| 811 | .name = "i3 EtherH 600", |
| 812 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, |
| 813 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 814 | .stop_page = ETHERH_STOP_PAGE, |
| 815 | }; |
| 816 | |
| 817 | static struct etherh_data etherlan600a_data = { |
| 818 | .ns8390_offset = ETHERH600_NS8390, |
| 819 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, |
| 820 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, |
| 821 | .name = "i3 EtherH 600A", |
| 822 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, |
| 823 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 824 | .stop_page = ETHERH_STOP_PAGE, |
| 825 | }; |
| 826 | |
| 827 | static const struct ecard_id etherh_ids[] = { |
| 828 | { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, |
| 829 | { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, |
| 830 | { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, |
| 831 | { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, |
| 832 | { 0xffff, 0xffff } |
| 833 | }; |
| 834 | |
| 835 | static struct ecard_driver etherh_driver = { |
| 836 | .probe = etherh_probe, |
| 837 | .remove = __devexit_p(etherh_remove), |
| 838 | .id_table = etherh_ids, |
| 839 | .drv = { |
| 840 | .name = DRV_NAME, |
| 841 | }, |
| 842 | }; |
| 843 | |
| 844 | static int __init etherh_init(void) |
| 845 | { |
| 846 | int i; |
| 847 | |
| 848 | for (i = 0; i < 16; i++) { |
| 849 | etherh_regoffsets[i] = i << 2; |
| 850 | etherm_regoffsets[i] = i << 5; |
| 851 | } |
| 852 | |
| 853 | return ecard_register_driver(ðerh_driver); |
| 854 | } |
| 855 | |
| 856 | static void __exit etherh_exit(void) |
| 857 | { |
| 858 | ecard_remove_driver(ðerh_driver); |
| 859 | } |
| 860 | |
| 861 | module_init(etherh_init); |
| 862 | module_exit(etherh_exit); |