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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/types.h> |
| 32 | #include <linux/fcntl.h> |
| 33 | #include <linux/interrupt.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include <linux/ioport.h> |
| 35 | #include <linux/in.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <linux/string.h> |
| 37 | #include <linux/errno.h> |
| 38 | #include <linux/netdevice.h> |
| 39 | #include <linux/etherdevice.h> |
| 40 | #include <linux/ethtool.h> |
| 41 | #include <linux/skbuff.h> |
| 42 | #include <linux/delay.h> |
| 43 | #include <linux/device.h> |
| 44 | #include <linux/init.h> |
| 45 | #include <linux/bitops.h> |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame] | 46 | #include <linux/jiffies.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
| 48 | #include <asm/system.h> |
| 49 | #include <asm/ecard.h> |
| 50 | #include <asm/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 52 | #define EI_SHIFT(x) (ei_local->reg_offset[x]) |
| 53 | |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 54 | #define ei_inb(_p) readb((void __iomem *)_p) |
| 55 | #define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p) |
| 56 | #define ei_inb_p(_p) readb((void __iomem *)_p) |
| 57 | #define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | #define NET_DEBUG 0 |
| 60 | #define DEBUG_INIT 2 |
| 61 | |
| 62 | #define DRV_NAME "etherh" |
| 63 | #define DRV_VERSION "1.11" |
| 64 | |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 65 | static char version[] __initdata = |
| 66 | "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; |
| 67 | |
Jeff Kirsher | 644570b | 2011-04-02 06:20:12 -0700 | [diff] [blame] | 68 | #include "lib8390.c" |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 69 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | static unsigned int net_debug = NET_DEBUG; |
| 71 | |
| 72 | struct etherh_priv { |
| 73 | void __iomem *ioc_fast; |
| 74 | void __iomem *memc; |
| 75 | void __iomem *dma_base; |
| 76 | unsigned int id; |
| 77 | void __iomem *ctrl_port; |
| 78 | unsigned char ctrl; |
| 79 | u32 supported; |
| 80 | }; |
| 81 | |
| 82 | struct etherh_data { |
| 83 | unsigned long ns8390_offset; |
| 84 | unsigned long dataport_offset; |
| 85 | unsigned long ctrlport_offset; |
| 86 | int ctrl_ioc; |
| 87 | const char name[16]; |
| 88 | u32 supported; |
| 89 | unsigned char tx_start_page; |
| 90 | unsigned char stop_page; |
| 91 | }; |
| 92 | |
| 93 | MODULE_AUTHOR("Russell King"); |
| 94 | MODULE_DESCRIPTION("EtherH/EtherM driver"); |
| 95 | MODULE_LICENSE("GPL"); |
| 96 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | #define ETHERH500_DATAPORT 0x800 /* MEMC */ |
| 98 | #define ETHERH500_NS8390 0x000 /* MEMC */ |
| 99 | #define ETHERH500_CTRLPORT 0x800 /* IOC */ |
| 100 | |
| 101 | #define ETHERH600_DATAPORT 0x040 /* MEMC */ |
| 102 | #define ETHERH600_NS8390 0x800 /* MEMC */ |
| 103 | #define ETHERH600_CTRLPORT 0x200 /* MEMC */ |
| 104 | |
| 105 | #define ETHERH_CP_IE 1 |
| 106 | #define ETHERH_CP_IF 2 |
| 107 | #define ETHERH_CP_HEARTBEAT 2 |
| 108 | |
| 109 | #define ETHERH_TX_START_PAGE 1 |
| 110 | #define ETHERH_STOP_PAGE 127 |
| 111 | |
| 112 | /* |
| 113 | * These came from CK/TEW |
| 114 | */ |
| 115 | #define ETHERM_DATAPORT 0x200 /* MEMC */ |
| 116 | #define ETHERM_NS8390 0x800 /* MEMC */ |
| 117 | #define ETHERM_CTRLPORT 0x23c /* MEMC */ |
| 118 | |
| 119 | #define ETHERM_TX_START_PAGE 64 |
| 120 | #define ETHERM_STOP_PAGE 127 |
| 121 | |
| 122 | /* ------------------------------------------------------------------------ */ |
| 123 | |
| 124 | #define etherh_priv(dev) \ |
| 125 | ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) |
| 126 | |
| 127 | static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask) |
| 128 | { |
| 129 | unsigned char ctrl = eh->ctrl | mask; |
| 130 | eh->ctrl = ctrl; |
| 131 | writeb(ctrl, eh->ctrl_port); |
| 132 | } |
| 133 | |
| 134 | static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) |
| 135 | { |
| 136 | unsigned char ctrl = eh->ctrl & ~mask; |
| 137 | eh->ctrl = ctrl; |
| 138 | writeb(ctrl, eh->ctrl_port); |
| 139 | } |
| 140 | |
| 141 | static inline unsigned int etherh_get_stat(struct etherh_priv *eh) |
| 142 | { |
| 143 | return readb(eh->ctrl_port); |
| 144 | } |
| 145 | |
| 146 | |
| 147 | |
| 148 | |
| 149 | static void etherh_irq_enable(ecard_t *ec, int irqnr) |
| 150 | { |
| 151 | struct etherh_priv *eh = ec->irq_data; |
| 152 | |
| 153 | etherh_set_ctrl(eh, ETHERH_CP_IE); |
| 154 | } |
| 155 | |
| 156 | static void etherh_irq_disable(ecard_t *ec, int irqnr) |
| 157 | { |
| 158 | struct etherh_priv *eh = ec->irq_data; |
| 159 | |
| 160 | etherh_clr_ctrl(eh, ETHERH_CP_IE); |
| 161 | } |
| 162 | |
| 163 | static expansioncard_ops_t etherh_ops = { |
| 164 | .irqenable = etherh_irq_enable, |
| 165 | .irqdisable = etherh_irq_disable, |
| 166 | }; |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | static void |
| 172 | etherh_setif(struct net_device *dev) |
| 173 | { |
| 174 | struct ei_device *ei_local = netdev_priv(dev); |
| 175 | unsigned long flags; |
| 176 | void __iomem *addr; |
| 177 | |
| 178 | local_irq_save(flags); |
| 179 | |
| 180 | /* set the interface type */ |
| 181 | switch (etherh_priv(dev)->id) { |
| 182 | case PROD_I3_ETHERLAN600: |
| 183 | case PROD_I3_ETHERLAN600A: |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 184 | addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | |
| 186 | switch (dev->if_port) { |
| 187 | case IF_PORT_10BASE2: |
| 188 | writeb((readb(addr) & 0xf8) | 1, addr); |
| 189 | break; |
| 190 | case IF_PORT_10BASET: |
| 191 | writeb((readb(addr) & 0xf8), addr); |
| 192 | break; |
| 193 | } |
| 194 | break; |
| 195 | |
| 196 | case PROD_I3_ETHERLAN500: |
| 197 | switch (dev->if_port) { |
| 198 | case IF_PORT_10BASE2: |
| 199 | etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); |
| 200 | break; |
| 201 | |
| 202 | case IF_PORT_10BASET: |
| 203 | etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); |
| 204 | break; |
| 205 | } |
| 206 | break; |
| 207 | |
| 208 | default: |
| 209 | break; |
| 210 | } |
| 211 | |
| 212 | local_irq_restore(flags); |
| 213 | } |
| 214 | |
| 215 | static int |
| 216 | etherh_getifstat(struct net_device *dev) |
| 217 | { |
| 218 | struct ei_device *ei_local = netdev_priv(dev); |
| 219 | void __iomem *addr; |
| 220 | int stat = 0; |
| 221 | |
| 222 | switch (etherh_priv(dev)->id) { |
| 223 | case PROD_I3_ETHERLAN600: |
| 224 | case PROD_I3_ETHERLAN600A: |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 225 | addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | switch (dev->if_port) { |
| 227 | case IF_PORT_10BASE2: |
| 228 | stat = 1; |
| 229 | break; |
| 230 | case IF_PORT_10BASET: |
| 231 | stat = readb(addr) & 4; |
| 232 | break; |
| 233 | } |
| 234 | break; |
| 235 | |
| 236 | case PROD_I3_ETHERLAN500: |
| 237 | switch (dev->if_port) { |
| 238 | case IF_PORT_10BASE2: |
| 239 | stat = 1; |
| 240 | break; |
| 241 | case IF_PORT_10BASET: |
| 242 | stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; |
| 243 | break; |
| 244 | } |
| 245 | break; |
| 246 | |
| 247 | default: |
| 248 | stat = 0; |
| 249 | break; |
| 250 | } |
| 251 | |
| 252 | return stat != 0; |
| 253 | } |
| 254 | |
| 255 | /* |
| 256 | * Configure the interface. Note that we ignore the other |
| 257 | * parts of ifmap, since its mostly meaningless for this driver. |
| 258 | */ |
| 259 | static int etherh_set_config(struct net_device *dev, struct ifmap *map) |
| 260 | { |
| 261 | switch (map->port) { |
| 262 | case IF_PORT_10BASE2: |
| 263 | case IF_PORT_10BASET: |
| 264 | /* |
| 265 | * If the user explicitly sets the interface |
| 266 | * media type, turn off automedia detection. |
| 267 | */ |
| 268 | dev->flags &= ~IFF_AUTOMEDIA; |
| 269 | dev->if_port = map->port; |
| 270 | break; |
| 271 | |
| 272 | default: |
| 273 | return -EINVAL; |
| 274 | } |
| 275 | |
| 276 | etherh_setif(dev); |
| 277 | |
| 278 | return 0; |
| 279 | } |
| 280 | |
| 281 | /* |
| 282 | * Reset the 8390 (hard reset). Note that we can't actually do this. |
| 283 | */ |
| 284 | static void |
| 285 | etherh_reset(struct net_device *dev) |
| 286 | { |
| 287 | struct ei_device *ei_local = netdev_priv(dev); |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 288 | void __iomem *addr = (void __iomem *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
| 290 | writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); |
| 291 | |
| 292 | /* |
| 293 | * See if we need to change the interface type. |
| 294 | * Note that we use 'interface_num' as a flag |
| 295 | * to indicate that we need to change the media. |
| 296 | */ |
| 297 | if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { |
| 298 | ei_local->interface_num = 0; |
| 299 | |
| 300 | if (dev->if_port == IF_PORT_10BASET) |
| 301 | dev->if_port = IF_PORT_10BASE2; |
| 302 | else |
| 303 | dev->if_port = IF_PORT_10BASET; |
| 304 | |
| 305 | etherh_setif(dev); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | /* |
| 310 | * Write a block of data out to the 8390 |
| 311 | */ |
| 312 | static void |
| 313 | etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) |
| 314 | { |
| 315 | struct ei_device *ei_local = netdev_priv(dev); |
| 316 | unsigned long dma_start; |
| 317 | void __iomem *dma_base, *addr; |
| 318 | |
| 319 | if (ei_local->dmaing) { |
| 320 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " |
| 321 | " DMAstat %d irqlock %d\n", dev->name, |
| 322 | ei_local->dmaing, ei_local->irqlock); |
| 323 | return; |
| 324 | } |
| 325 | |
| 326 | /* |
| 327 | * Make sure we have a round number of bytes if we're in word mode. |
| 328 | */ |
| 329 | if (count & 1 && ei_local->word16) |
| 330 | count++; |
| 331 | |
| 332 | ei_local->dmaing = 1; |
| 333 | |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 334 | addr = (void __iomem *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | dma_base = etherh_priv(dev)->dma_base; |
| 336 | |
| 337 | count = (count + 1) & ~1; |
| 338 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 339 | |
| 340 | writeb (0x42, addr + EN0_RCNTLO); |
| 341 | writeb (0x00, addr + EN0_RCNTHI); |
| 342 | writeb (0x42, addr + EN0_RSARLO); |
| 343 | writeb (0x00, addr + EN0_RSARHI); |
| 344 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 345 | |
| 346 | udelay (1); |
| 347 | |
| 348 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 349 | writeb (count, addr + EN0_RCNTLO); |
| 350 | writeb (count >> 8, addr + EN0_RCNTHI); |
| 351 | writeb (0, addr + EN0_RSARLO); |
| 352 | writeb (start_page, addr + EN0_RSARHI); |
| 353 | writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); |
| 354 | |
| 355 | if (ei_local->word16) |
| 356 | writesw (dma_base, buf, count >> 1); |
| 357 | else |
| 358 | writesb (dma_base, buf, count); |
| 359 | |
| 360 | dma_start = jiffies; |
| 361 | |
| 362 | while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) |
Marcelo Feitoza Parisi | ff5688a | 2006-01-09 18:37:15 -0800 | [diff] [blame] | 363 | if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | printk(KERN_ERR "%s: timeout waiting for TX RDC\n", |
| 365 | dev->name); |
| 366 | etherh_reset (dev); |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 367 | __NS8390_init (dev, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | break; |
| 369 | } |
| 370 | |
| 371 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 372 | ei_local->dmaing = 0; |
| 373 | } |
| 374 | |
| 375 | /* |
| 376 | * Read a block of data from the 8390 |
| 377 | */ |
| 378 | static void |
| 379 | etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) |
| 380 | { |
| 381 | struct ei_device *ei_local = netdev_priv(dev); |
| 382 | unsigned char *buf; |
| 383 | void __iomem *dma_base, *addr; |
| 384 | |
| 385 | if (ei_local->dmaing) { |
| 386 | printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " |
| 387 | " DMAstat %d irqlock %d\n", dev->name, |
| 388 | ei_local->dmaing, ei_local->irqlock); |
| 389 | return; |
| 390 | } |
| 391 | |
| 392 | ei_local->dmaing = 1; |
| 393 | |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 394 | addr = (void __iomem *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | dma_base = etherh_priv(dev)->dma_base; |
| 396 | |
| 397 | buf = skb->data; |
| 398 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 399 | writeb (count, addr + EN0_RCNTLO); |
| 400 | writeb (count >> 8, addr + EN0_RCNTHI); |
| 401 | writeb (ring_offset, addr + EN0_RSARLO); |
| 402 | writeb (ring_offset >> 8, addr + EN0_RSARHI); |
| 403 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 404 | |
| 405 | if (ei_local->word16) { |
| 406 | readsw (dma_base, buf, count >> 1); |
| 407 | if (count & 1) |
| 408 | buf[count - 1] = readb (dma_base); |
| 409 | } else |
| 410 | readsb (dma_base, buf, count); |
| 411 | |
| 412 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 413 | ei_local->dmaing = 0; |
| 414 | } |
| 415 | |
| 416 | /* |
| 417 | * Read a header from the 8390 |
| 418 | */ |
| 419 | static void |
| 420 | etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) |
| 421 | { |
| 422 | struct ei_device *ei_local = netdev_priv(dev); |
| 423 | void __iomem *dma_base, *addr; |
| 424 | |
| 425 | if (ei_local->dmaing) { |
| 426 | printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " |
| 427 | " DMAstat %d irqlock %d\n", dev->name, |
| 428 | ei_local->dmaing, ei_local->irqlock); |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | ei_local->dmaing = 1; |
| 433 | |
Al Viro | b936889 | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 434 | addr = (void __iomem *)dev->base_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | dma_base = etherh_priv(dev)->dma_base; |
| 436 | |
| 437 | writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); |
| 438 | writeb (sizeof (*hdr), addr + EN0_RCNTLO); |
| 439 | writeb (0, addr + EN0_RCNTHI); |
| 440 | writeb (0, addr + EN0_RSARLO); |
| 441 | writeb (ring_page, addr + EN0_RSARHI); |
| 442 | writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); |
| 443 | |
| 444 | if (ei_local->word16) |
| 445 | readsw (dma_base, hdr, sizeof (*hdr) >> 1); |
| 446 | else |
| 447 | readsb (dma_base, hdr, sizeof (*hdr)); |
| 448 | |
| 449 | writeb (ENISR_RDC, addr + EN0_ISR); |
| 450 | ei_local->dmaing = 0; |
| 451 | } |
| 452 | |
| 453 | /* |
| 454 | * Open/initialize the board. This is called (in the current kernel) |
| 455 | * sometime after booting when the 'ifconfig' program is run. |
| 456 | * |
| 457 | * This routine should set everything up anew at each open, even |
| 458 | * registers that "should" only need to be set once at boot, so that |
| 459 | * there is non-reboot way to recover if something goes wrong. |
| 460 | */ |
| 461 | static int |
| 462 | etherh_open(struct net_device *dev) |
| 463 | { |
| 464 | struct ei_device *ei_local = netdev_priv(dev); |
| 465 | |
| 466 | if (!is_valid_ether_addr(dev->dev_addr)) { |
| 467 | printk(KERN_WARNING "%s: invalid ethernet MAC address\n", |
| 468 | dev->name); |
| 469 | return -EINVAL; |
| 470 | } |
| 471 | |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 472 | if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | return -EAGAIN; |
| 474 | |
| 475 | /* |
| 476 | * Make sure that we aren't going to change the |
| 477 | * media type on the next reset - we are about to |
| 478 | * do automedia manually now. |
| 479 | */ |
| 480 | ei_local->interface_num = 0; |
| 481 | |
| 482 | /* |
| 483 | * If we are doing automedia detection, do it now. |
| 484 | * This is more reliable than the 8390's detection. |
| 485 | */ |
| 486 | if (dev->flags & IFF_AUTOMEDIA) { |
| 487 | dev->if_port = IF_PORT_10BASET; |
| 488 | etherh_setif(dev); |
| 489 | mdelay(1); |
| 490 | if (!etherh_getifstat(dev)) { |
| 491 | dev->if_port = IF_PORT_10BASE2; |
| 492 | etherh_setif(dev); |
| 493 | } |
| 494 | } else |
| 495 | etherh_setif(dev); |
| 496 | |
| 497 | etherh_reset(dev); |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 498 | __ei_open(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | /* |
| 504 | * The inverse routine to etherh_open(). |
| 505 | */ |
| 506 | static int |
| 507 | etherh_close(struct net_device *dev) |
| 508 | { |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 509 | __ei_close (dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | free_irq (dev->irq, dev); |
| 511 | return 0; |
| 512 | } |
| 513 | |
| 514 | /* |
| 515 | * Initialisation |
| 516 | */ |
| 517 | |
| 518 | static void __init etherh_banner(void) |
| 519 | { |
| 520 | static int version_printed; |
| 521 | |
| 522 | if (net_debug && version_printed++ == 0) |
| 523 | printk(KERN_INFO "%s", version); |
| 524 | } |
| 525 | |
| 526 | /* |
| 527 | * Read the ethernet address string from the on board rom. |
| 528 | * This is an ascii string... |
| 529 | */ |
Russell King | 56f3aeb | 2011-05-06 08:14:57 +0100 | [diff] [blame] | 530 | static int __devinit etherh_addr(char *addr, struct expansion_card *ec) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | { |
| 532 | struct in_chunk_dir cd; |
| 533 | char *s; |
| 534 | |
| 535 | if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { |
| 536 | printk(KERN_ERR "%s: unable to read podule description string\n", |
Kay Sievers | 3f97870 | 2008-05-30 17:42:11 +0200 | [diff] [blame] | 537 | dev_name(&ec->dev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | goto no_addr; |
| 539 | } |
| 540 | |
| 541 | s = strchr(cd.d.string, '('); |
| 542 | if (s) { |
| 543 | int i; |
| 544 | |
| 545 | for (i = 0; i < 6; i++) { |
| 546 | addr[i] = simple_strtoul(s + 1, &s, 0x10); |
| 547 | if (*s != (i == 5? ')' : ':')) |
| 548 | break; |
| 549 | } |
| 550 | |
| 551 | if (i == 6) |
| 552 | return 0; |
| 553 | } |
| 554 | |
| 555 | printk(KERN_ERR "%s: unable to parse MAC address: %s\n", |
Kay Sievers | 3f97870 | 2008-05-30 17:42:11 +0200 | [diff] [blame] | 556 | dev_name(&ec->dev), cd.d.string); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | |
| 558 | no_addr: |
| 559 | return -ENODEV; |
| 560 | } |
| 561 | |
| 562 | /* |
| 563 | * Create an ethernet address from the system serial number. |
| 564 | */ |
| 565 | static int __init etherm_addr(char *addr) |
| 566 | { |
| 567 | unsigned int serial; |
| 568 | |
| 569 | if (system_serial_low == 0 && system_serial_high == 0) |
| 570 | return -ENODEV; |
| 571 | |
| 572 | serial = system_serial_low | system_serial_high; |
| 573 | |
| 574 | addr[0] = 0; |
| 575 | addr[1] = 0; |
| 576 | addr[2] = 0xa4; |
| 577 | addr[3] = 0x10 + (serial >> 24); |
| 578 | addr[4] = serial >> 16; |
| 579 | addr[5] = serial >> 8; |
| 580 | return 0; |
| 581 | } |
| 582 | |
| 583 | static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| 584 | { |
| 585 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
| 586 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); |
Kay Sievers | 3f97870 | 2008-05-30 17:42:11 +0200 | [diff] [blame] | 587 | strlcpy(info->bus_info, dev_name(dev->dev.parent), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | sizeof(info->bus_info)); |
| 589 | } |
| 590 | |
| 591 | static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 592 | { |
| 593 | cmd->supported = etherh_priv(dev)->supported; |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 594 | ethtool_cmd_speed_set(cmd, SPEED_10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | cmd->duplex = DUPLEX_HALF; |
| 596 | cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 597 | cmd->autoneg = (dev->flags & IFF_AUTOMEDIA ? |
| 598 | AUTONEG_ENABLE : AUTONEG_DISABLE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 603 | { |
| 604 | switch (cmd->autoneg) { |
| 605 | case AUTONEG_ENABLE: |
| 606 | dev->flags |= IFF_AUTOMEDIA; |
| 607 | break; |
| 608 | |
| 609 | case AUTONEG_DISABLE: |
| 610 | switch (cmd->port) { |
| 611 | case PORT_TP: |
| 612 | dev->if_port = IF_PORT_10BASET; |
| 613 | break; |
| 614 | |
| 615 | case PORT_BNC: |
| 616 | dev->if_port = IF_PORT_10BASE2; |
| 617 | break; |
| 618 | |
| 619 | default: |
| 620 | return -EINVAL; |
| 621 | } |
| 622 | dev->flags &= ~IFF_AUTOMEDIA; |
| 623 | break; |
| 624 | |
| 625 | default: |
| 626 | return -EINVAL; |
| 627 | } |
| 628 | |
| 629 | etherh_setif(dev); |
| 630 | |
| 631 | return 0; |
| 632 | } |
| 633 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 634 | static const struct ethtool_ops etherh_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | .get_settings = etherh_get_settings, |
| 636 | .set_settings = etherh_set_settings, |
| 637 | .get_drvinfo = etherh_get_drvinfo, |
| 638 | }; |
| 639 | |
Stephen Hemminger | b9a9b4b | 2008-12-02 14:52:25 -0800 | [diff] [blame] | 640 | static const struct net_device_ops etherh_netdev_ops = { |
| 641 | .ndo_open = etherh_open, |
| 642 | .ndo_stop = etherh_close, |
| 643 | .ndo_set_config = etherh_set_config, |
Russell King | 8cfd9e9 | 2009-02-22 12:36:55 +0000 | [diff] [blame] | 644 | .ndo_start_xmit = __ei_start_xmit, |
| 645 | .ndo_tx_timeout = __ei_tx_timeout, |
| 646 | .ndo_get_stats = __ei_get_stats, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 647 | .ndo_set_rx_mode = __ei_set_multicast_list, |
Stephen Hemminger | b9a9b4b | 2008-12-02 14:52:25 -0800 | [diff] [blame] | 648 | .ndo_validate_addr = eth_validate_addr, |
Russell King | a71558d | 2009-01-27 22:32:29 +0000 | [diff] [blame] | 649 | .ndo_set_mac_address = eth_mac_addr, |
Stephen Hemminger | b9a9b4b | 2008-12-02 14:52:25 -0800 | [diff] [blame] | 650 | .ndo_change_mtu = eth_change_mtu, |
| 651 | #ifdef CONFIG_NET_POLL_CONTROLLER |
Russell King | 8cfd9e9 | 2009-02-22 12:36:55 +0000 | [diff] [blame] | 652 | .ndo_poll_controller = __ei_poll, |
Stephen Hemminger | b9a9b4b | 2008-12-02 14:52:25 -0800 | [diff] [blame] | 653 | #endif |
| 654 | }; |
| 655 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | static u32 etherh_regoffsets[16]; |
| 657 | static u32 etherm_regoffsets[16]; |
| 658 | |
Russell King | 56f3aeb | 2011-05-06 08:14:57 +0100 | [diff] [blame] | 659 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | etherh_probe(struct expansion_card *ec, const struct ecard_id *id) |
| 661 | { |
| 662 | const struct etherh_data *data = id->data; |
| 663 | struct ei_device *ei_local; |
| 664 | struct net_device *dev; |
| 665 | struct etherh_priv *eh; |
Russell King | 36149f0 | 2008-04-19 15:12:23 +0100 | [diff] [blame] | 666 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | |
| 668 | etherh_banner(); |
| 669 | |
| 670 | ret = ecard_request_resources(ec); |
| 671 | if (ret) |
| 672 | goto out; |
| 673 | |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 674 | dev = ____alloc_ei_netdev(sizeof(struct etherh_priv)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | if (!dev) { |
| 676 | ret = -ENOMEM; |
| 677 | goto release; |
| 678 | } |
| 679 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | SET_NETDEV_DEV(dev, &ec->dev); |
| 681 | |
Stephen Hemminger | b9a9b4b | 2008-12-02 14:52:25 -0800 | [diff] [blame] | 682 | dev->netdev_ops = ðerh_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | dev->irq = ec->irq; |
| 684 | dev->ethtool_ops = ðerh_ethtool_ops; |
| 685 | |
| 686 | if (data->supported & SUPPORTED_Autoneg) |
| 687 | dev->flags |= IFF_AUTOMEDIA; |
| 688 | if (data->supported & SUPPORTED_TP) { |
| 689 | dev->flags |= IFF_PORTSEL; |
| 690 | dev->if_port = IF_PORT_10BASET; |
| 691 | } else if (data->supported & SUPPORTED_BNC) { |
| 692 | dev->flags |= IFF_PORTSEL; |
| 693 | dev->if_port = IF_PORT_10BASE2; |
| 694 | } else |
| 695 | dev->if_port = IF_PORT_UNKNOWN; |
| 696 | |
| 697 | eh = etherh_priv(dev); |
| 698 | eh->supported = data->supported; |
| 699 | eh->ctrl = 0; |
| 700 | eh->id = ec->cid.product; |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 701 | eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | if (!eh->memc) { |
| 703 | ret = -ENOMEM; |
| 704 | goto free; |
| 705 | } |
| 706 | |
| 707 | eh->ctrl_port = eh->memc; |
| 708 | if (data->ctrl_ioc) { |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 709 | eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | if (!eh->ioc_fast) { |
| 711 | ret = -ENOMEM; |
| 712 | goto free; |
| 713 | } |
| 714 | eh->ctrl_port = eh->ioc_fast; |
| 715 | } |
| 716 | |
Nicolas Pitre | c7e7887 | 2005-06-29 18:10:54 +0100 | [diff] [blame] | 717 | dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | eh->dma_base = eh->memc + data->dataport_offset; |
| 719 | eh->ctrl_port += data->ctrlport_offset; |
| 720 | |
| 721 | /* |
| 722 | * IRQ and control port handling - only for non-NIC slot cards. |
| 723 | */ |
| 724 | if (ec->slot_no != 8) { |
Russell King | c7b87f3 | 2007-05-10 16:46:13 +0100 | [diff] [blame] | 725 | ecard_setirq(ec, ðerh_ops, eh); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | } else { |
| 727 | /* |
| 728 | * If we're in the NIC slot, make sure the IRQ is enabled |
| 729 | */ |
| 730 | etherh_set_ctrl(eh, ETHERH_CP_IE); |
| 731 | } |
| 732 | |
| 733 | ei_local = netdev_priv(dev); |
| 734 | spin_lock_init(&ei_local->page_lock); |
| 735 | |
| 736 | if (ec->cid.product == PROD_ANT_ETHERM) { |
| 737 | etherm_addr(dev->dev_addr); |
| 738 | ei_local->reg_offset = etherm_regoffsets; |
| 739 | } else { |
| 740 | etherh_addr(dev->dev_addr, ec); |
| 741 | ei_local->reg_offset = etherh_regoffsets; |
| 742 | } |
| 743 | |
| 744 | ei_local->name = dev->name; |
| 745 | ei_local->word16 = 1; |
| 746 | ei_local->tx_start_page = data->tx_start_page; |
| 747 | ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES; |
| 748 | ei_local->stop_page = data->stop_page; |
| 749 | ei_local->reset_8390 = etherh_reset; |
| 750 | ei_local->block_input = etherh_block_input; |
| 751 | ei_local->block_output = etherh_block_output; |
| 752 | ei_local->get_8390_hdr = etherh_get_header; |
| 753 | ei_local->interface_num = 0; |
| 754 | |
| 755 | etherh_reset(dev); |
Al Viro | 6c3561b | 2006-10-10 00:19:36 +0100 | [diff] [blame] | 756 | __NS8390_init(dev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 757 | |
| 758 | ret = register_netdev(dev); |
| 759 | if (ret) |
| 760 | goto free; |
| 761 | |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 762 | printk(KERN_INFO "%s: %s in slot %d, %pM\n", |
| 763 | dev->name, data->name, ec->slot_no, dev->dev_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | |
| 765 | ecard_set_drvdata(ec, dev); |
| 766 | |
| 767 | return 0; |
| 768 | |
| 769 | free: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | free_netdev(dev); |
| 771 | release: |
| 772 | ecard_release_resources(ec); |
| 773 | out: |
| 774 | return ret; |
| 775 | } |
| 776 | |
| 777 | static void __devexit etherh_remove(struct expansion_card *ec) |
| 778 | { |
| 779 | struct net_device *dev = ecard_get_drvdata(ec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | |
| 781 | ecard_set_drvdata(ec, NULL); |
| 782 | |
| 783 | unregister_netdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | free_netdev(dev); |
| 786 | |
| 787 | ecard_release_resources(ec); |
| 788 | } |
| 789 | |
| 790 | static struct etherh_data etherm_data = { |
| 791 | .ns8390_offset = ETHERM_NS8390, |
| 792 | .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, |
| 793 | .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, |
| 794 | .name = "ANT EtherM", |
| 795 | .supported = SUPPORTED_10baseT_Half, |
| 796 | .tx_start_page = ETHERM_TX_START_PAGE, |
| 797 | .stop_page = ETHERM_STOP_PAGE, |
| 798 | }; |
| 799 | |
| 800 | static struct etherh_data etherlan500_data = { |
| 801 | .ns8390_offset = ETHERH500_NS8390, |
| 802 | .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, |
| 803 | .ctrlport_offset = ETHERH500_CTRLPORT, |
| 804 | .ctrl_ioc = 1, |
| 805 | .name = "i3 EtherH 500", |
| 806 | .supported = SUPPORTED_10baseT_Half, |
| 807 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 808 | .stop_page = ETHERH_STOP_PAGE, |
| 809 | }; |
| 810 | |
| 811 | static struct etherh_data etherlan600_data = { |
| 812 | .ns8390_offset = ETHERH600_NS8390, |
| 813 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, |
| 814 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, |
| 815 | .name = "i3 EtherH 600", |
| 816 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, |
| 817 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 818 | .stop_page = ETHERH_STOP_PAGE, |
| 819 | }; |
| 820 | |
| 821 | static struct etherh_data etherlan600a_data = { |
| 822 | .ns8390_offset = ETHERH600_NS8390, |
| 823 | .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, |
| 824 | .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, |
| 825 | .name = "i3 EtherH 600A", |
| 826 | .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, |
| 827 | .tx_start_page = ETHERH_TX_START_PAGE, |
| 828 | .stop_page = ETHERH_STOP_PAGE, |
| 829 | }; |
| 830 | |
| 831 | static const struct ecard_id etherh_ids[] = { |
| 832 | { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, |
| 833 | { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, |
| 834 | { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, |
| 835 | { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, |
| 836 | { 0xffff, 0xffff } |
| 837 | }; |
| 838 | |
| 839 | static struct ecard_driver etherh_driver = { |
| 840 | .probe = etherh_probe, |
| 841 | .remove = __devexit_p(etherh_remove), |
| 842 | .id_table = etherh_ids, |
| 843 | .drv = { |
| 844 | .name = DRV_NAME, |
| 845 | }, |
| 846 | }; |
| 847 | |
| 848 | static int __init etherh_init(void) |
| 849 | { |
| 850 | int i; |
| 851 | |
| 852 | for (i = 0; i < 16; i++) { |
| 853 | etherh_regoffsets[i] = i << 2; |
| 854 | etherm_regoffsets[i] = i << 5; |
| 855 | } |
| 856 | |
| 857 | return ecard_register_driver(ðerh_driver); |
| 858 | } |
| 859 | |
| 860 | static void __exit etherh_exit(void) |
| 861 | { |
| 862 | ecard_remove_driver(ðerh_driver); |
| 863 | } |
| 864 | |
| 865 | module_init(etherh_init); |
| 866 | module_exit(etherh_exit); |