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a1365275 SH |
1 | /* |
2 | * dm9000.c: Version 1.2 03/18/2003 | |
3 | * | |
4 | * A Davicom DM9000 ISA NIC fast Ethernet driver for Linux. | |
5 | * Copyright (C) 1997 Sten Wang | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved. | |
18 | * | |
19 | * V0.11 06/20/2001 REG_0A bit3=1, default enable BP with DA match | |
20 | * 06/22/2001 Support DM9801 progrmming | |
21 | * E3: R25 = ((R24 + NF) & 0x00ff) | 0xf000 | |
22 | * E4: R25 = ((R24 + NF) & 0x00ff) | 0xc200 | |
23 | * R17 = (R17 & 0xfff0) | NF + 3 | |
24 | * E5: R25 = ((R24 + NF - 3) & 0x00ff) | 0xc200 | |
25 | * R17 = (R17 & 0xfff0) | NF | |
26 | * | |
27 | * v1.00 modify by simon 2001.9.5 | |
28 | * change for kernel 2.4.x | |
29 | * | |
30 | * v1.1 11/09/2001 fix force mode bug | |
31 | * | |
32 | * v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>: | |
33 | * Fixed phy reset. | |
34 | * Added tx/rx 32 bit mode. | |
35 | * Cleaned up for kernel merge. | |
36 | * | |
37 | * 03/03/2004 Sascha Hauer <s.hauer@pengutronix.de> | |
38 | * Port to 2.6 kernel | |
39 | * | |
40 | * 24-Sep-2004 Ben Dooks <ben@simtec.co.uk> | |
41 | * Cleanup of code to remove ifdefs | |
42 | * Allowed platform device data to influence access width | |
43 | * Reformatting areas of code | |
44 | * | |
45 | * 17-Mar-2005 Sascha Hauer <s.hauer@pengutronix.de> | |
46 | * * removed 2.4 style module parameters | |
47 | * * removed removed unused stat counter and fixed | |
48 | * net_device_stats | |
49 | * * introduced tx_timeout function | |
50 | * * reworked locking | |
51 | */ | |
52 | ||
53 | #include <linux/module.h> | |
54 | #include <linux/ioport.h> | |
55 | #include <linux/netdevice.h> | |
56 | #include <linux/etherdevice.h> | |
57 | #include <linux/init.h> | |
58 | #include <linux/skbuff.h> | |
59 | #include <linux/version.h> | |
60 | #include <linux/spinlock.h> | |
61 | #include <linux/crc32.h> | |
62 | #include <linux/mii.h> | |
63 | #include <linux/dm9000.h> | |
64 | #include <linux/delay.h> | |
65 | ||
66 | #include <asm/delay.h> | |
67 | #include <asm/irq.h> | |
68 | #include <asm/io.h> | |
69 | ||
70 | #include "dm9000.h" | |
71 | ||
72 | /* Board/System/Debug information/definition ---------------- */ | |
73 | ||
74 | #define DM9000_PHY 0x40 /* PHY address 0x01 */ | |
75 | ||
76 | #define TRUE 1 | |
77 | #define FALSE 0 | |
78 | ||
79 | #define CARDNAME "dm9000" | |
80 | #define PFX CARDNAME ": " | |
81 | ||
82 | #define DM9000_TIMER_WUT jiffies+(HZ*2) /* timer wakeup time : 2 second */ | |
83 | ||
84 | #define DM9000_DEBUG 0 | |
85 | ||
86 | #if DM9000_DEBUG > 2 | |
87 | #define PRINTK3(args...) printk(CARDNAME ": " args) | |
88 | #else | |
89 | #define PRINTK3(args...) do { } while(0) | |
90 | #endif | |
91 | ||
92 | #if DM9000_DEBUG > 1 | |
93 | #define PRINTK2(args...) printk(CARDNAME ": " args) | |
94 | #else | |
95 | #define PRINTK2(args...) do { } while(0) | |
96 | #endif | |
97 | ||
98 | #if DM9000_DEBUG > 0 | |
99 | #define PRINTK1(args...) printk(CARDNAME ": " args) | |
100 | #define PRINTK(args...) printk(CARDNAME ": " args) | |
101 | #else | |
102 | #define PRINTK1(args...) do { } while(0) | |
103 | #define PRINTK(args...) printk(KERN_DEBUG args) | |
104 | #endif | |
105 | ||
106 | /* | |
107 | * Transmit timeout, default 5 seconds. | |
108 | */ | |
109 | static int watchdog = 5000; | |
110 | module_param(watchdog, int, 0400); | |
111 | MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds"); | |
112 | ||
113 | /* Structure/enum declaration ------------------------------- */ | |
114 | typedef struct board_info { | |
115 | ||
116 | void __iomem *io_addr; /* Register I/O base address */ | |
117 | void __iomem *io_data; /* Data I/O address */ | |
118 | u16 irq; /* IRQ */ | |
119 | ||
120 | u16 tx_pkt_cnt; | |
121 | u16 queue_pkt_len; | |
122 | u16 queue_start_addr; | |
123 | u16 dbug_cnt; | |
124 | u8 io_mode; /* 0:word, 2:byte */ | |
125 | u8 phy_addr; | |
126 | ||
127 | void (*inblk)(void __iomem *port, void *data, int length); | |
128 | void (*outblk)(void __iomem *port, void *data, int length); | |
129 | void (*dumpblk)(void __iomem *port, int length); | |
130 | ||
131 | struct resource *addr_res; /* resources found */ | |
132 | struct resource *data_res; | |
133 | struct resource *addr_req; /* resources requested */ | |
134 | struct resource *data_req; | |
135 | struct resource *irq_res; | |
136 | ||
137 | struct timer_list timer; | |
138 | struct net_device_stats stats; | |
139 | unsigned char srom[128]; | |
140 | spinlock_t lock; | |
141 | ||
142 | struct mii_if_info mii; | |
143 | u32 msg_enable; | |
144 | } board_info_t; | |
145 | ||
146 | /* function declaration ------------------------------------- */ | |
147 | static int dm9000_probe(struct device *); | |
148 | static int dm9000_open(struct net_device *); | |
149 | static int dm9000_start_xmit(struct sk_buff *, struct net_device *); | |
150 | static int dm9000_stop(struct net_device *); | |
151 | static int dm9000_do_ioctl(struct net_device *, struct ifreq *, int); | |
152 | ||
153 | ||
154 | static void dm9000_timer(unsigned long); | |
155 | static void dm9000_init_dm9000(struct net_device *); | |
156 | ||
157 | static struct net_device_stats *dm9000_get_stats(struct net_device *); | |
158 | ||
159 | static irqreturn_t dm9000_interrupt(int, void *, struct pt_regs *); | |
160 | ||
161 | static int dm9000_phy_read(struct net_device *dev, int phyaddr_unsused, int reg); | |
162 | static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, | |
163 | int value); | |
164 | static u16 read_srom_word(board_info_t *, int); | |
165 | static void dm9000_rx(struct net_device *); | |
166 | static void dm9000_hash_table(struct net_device *); | |
167 | ||
168 | //#define DM9000_PROGRAM_EEPROM | |
169 | #ifdef DM9000_PROGRAM_EEPROM | |
170 | static void program_eeprom(board_info_t * db); | |
171 | #endif | |
172 | /* DM9000 network board routine ---------------------------- */ | |
173 | ||
174 | static void | |
175 | dm9000_reset(board_info_t * db) | |
176 | { | |
177 | PRINTK1("dm9000x: resetting\n"); | |
178 | /* RESET device */ | |
179 | writeb(DM9000_NCR, db->io_addr); | |
180 | udelay(200); | |
181 | writeb(NCR_RST, db->io_data); | |
182 | udelay(200); | |
183 | } | |
184 | ||
185 | /* | |
186 | * Read a byte from I/O port | |
187 | */ | |
188 | static u8 | |
189 | ior(board_info_t * db, int reg) | |
190 | { | |
191 | writeb(reg, db->io_addr); | |
192 | return readb(db->io_data); | |
193 | } | |
194 | ||
195 | /* | |
196 | * Write a byte to I/O port | |
197 | */ | |
198 | ||
199 | static void | |
200 | iow(board_info_t * db, int reg, int value) | |
201 | { | |
202 | writeb(reg, db->io_addr); | |
203 | writeb(value, db->io_data); | |
204 | } | |
205 | ||
206 | /* routines for sending block to chip */ | |
207 | ||
208 | static void dm9000_outblk_8bit(void __iomem *reg, void *data, int count) | |
209 | { | |
210 | writesb(reg, data, count); | |
211 | } | |
212 | ||
213 | static void dm9000_outblk_16bit(void __iomem *reg, void *data, int count) | |
214 | { | |
215 | writesw(reg, data, (count+1) >> 1); | |
216 | } | |
217 | ||
218 | static void dm9000_outblk_32bit(void __iomem *reg, void *data, int count) | |
219 | { | |
220 | writesl(reg, data, (count+3) >> 2); | |
221 | } | |
222 | ||
223 | /* input block from chip to memory */ | |
224 | ||
225 | static void dm9000_inblk_8bit(void __iomem *reg, void *data, int count) | |
226 | { | |
5f6b5517 | 227 | readsb(reg, data, count); |
a1365275 SH |
228 | } |
229 | ||
230 | ||
231 | static void dm9000_inblk_16bit(void __iomem *reg, void *data, int count) | |
232 | { | |
233 | readsw(reg, data, (count+1) >> 1); | |
234 | } | |
235 | ||
236 | static void dm9000_inblk_32bit(void __iomem *reg, void *data, int count) | |
237 | { | |
238 | readsl(reg, data, (count+3) >> 2); | |
239 | } | |
240 | ||
241 | /* dump block from chip to null */ | |
242 | ||
243 | static void dm9000_dumpblk_8bit(void __iomem *reg, int count) | |
244 | { | |
245 | int i; | |
246 | int tmp; | |
247 | ||
248 | for (i = 0; i < count; i++) | |
249 | tmp = readb(reg); | |
250 | } | |
251 | ||
252 | static void dm9000_dumpblk_16bit(void __iomem *reg, int count) | |
253 | { | |
254 | int i; | |
255 | int tmp; | |
256 | ||
257 | count = (count + 1) >> 1; | |
258 | ||
259 | for (i = 0; i < count; i++) | |
260 | tmp = readw(reg); | |
261 | } | |
262 | ||
263 | static void dm9000_dumpblk_32bit(void __iomem *reg, int count) | |
264 | { | |
265 | int i; | |
266 | int tmp; | |
267 | ||
268 | count = (count + 3) >> 2; | |
269 | ||
270 | for (i = 0; i < count; i++) | |
271 | tmp = readl(reg); | |
272 | } | |
273 | ||
274 | /* dm9000_set_io | |
275 | * | |
276 | * select the specified set of io routines to use with the | |
277 | * device | |
278 | */ | |
279 | ||
280 | static void dm9000_set_io(struct board_info *db, int byte_width) | |
281 | { | |
282 | /* use the size of the data resource to work out what IO | |
283 | * routines we want to use | |
284 | */ | |
285 | ||
286 | switch (byte_width) { | |
287 | case 1: | |
288 | db->dumpblk = dm9000_dumpblk_8bit; | |
289 | db->outblk = dm9000_outblk_8bit; | |
290 | db->inblk = dm9000_inblk_8bit; | |
291 | break; | |
292 | ||
293 | case 2: | |
294 | db->dumpblk = dm9000_dumpblk_16bit; | |
295 | db->outblk = dm9000_outblk_16bit; | |
296 | db->inblk = dm9000_inblk_16bit; | |
297 | break; | |
298 | ||
299 | case 3: | |
300 | printk(KERN_ERR PFX ": 3 byte IO, falling back to 16bit\n"); | |
301 | db->dumpblk = dm9000_dumpblk_16bit; | |
302 | db->outblk = dm9000_outblk_16bit; | |
303 | db->inblk = dm9000_inblk_16bit; | |
304 | break; | |
305 | ||
306 | case 4: | |
307 | default: | |
308 | db->dumpblk = dm9000_dumpblk_32bit; | |
309 | db->outblk = dm9000_outblk_32bit; | |
310 | db->inblk = dm9000_inblk_32bit; | |
311 | break; | |
312 | } | |
313 | } | |
314 | ||
315 | ||
316 | /* Our watchdog timed out. Called by the networking layer */ | |
317 | static void dm9000_timeout(struct net_device *dev) | |
318 | { | |
319 | board_info_t *db = (board_info_t *) dev->priv; | |
320 | u8 reg_save; | |
321 | unsigned long flags; | |
322 | ||
323 | /* Save previous register address */ | |
324 | reg_save = readb(db->io_addr); | |
325 | spin_lock_irqsave(db->lock,flags); | |
326 | ||
327 | netif_stop_queue(dev); | |
328 | dm9000_reset(db); | |
329 | dm9000_init_dm9000(dev); | |
330 | /* We can accept TX packets again */ | |
331 | dev->trans_start = jiffies; | |
332 | netif_wake_queue(dev); | |
333 | ||
334 | /* Restore previous register address */ | |
335 | writeb(reg_save, db->io_addr); | |
336 | spin_unlock_irqrestore(db->lock,flags); | |
337 | } | |
338 | ||
339 | ||
340 | /* dm9000_release_board | |
341 | * | |
342 | * release a board, and any mapped resources | |
343 | */ | |
344 | ||
345 | static void | |
346 | dm9000_release_board(struct platform_device *pdev, struct board_info *db) | |
347 | { | |
348 | if (db->data_res == NULL) { | |
349 | if (db->addr_res != NULL) | |
350 | release_mem_region((unsigned long)db->io_addr, 4); | |
351 | return; | |
352 | } | |
353 | ||
354 | /* unmap our resources */ | |
355 | ||
356 | iounmap(db->io_addr); | |
357 | iounmap(db->io_data); | |
358 | ||
359 | /* release the resources */ | |
360 | ||
361 | if (db->data_req != NULL) { | |
362 | release_resource(db->data_req); | |
363 | kfree(db->data_req); | |
364 | } | |
365 | ||
366 | if (db->addr_res != NULL) { | |
5f6b5517 | 367 | release_resource(db->addr_res); |
a1365275 SH |
368 | kfree(db->addr_req); |
369 | } | |
370 | } | |
371 | ||
372 | #define res_size(_r) (((_r)->end - (_r)->start) + 1) | |
373 | ||
374 | /* | |
375 | * Search DM9000 board, allocate space and register it | |
376 | */ | |
377 | static int | |
378 | dm9000_probe(struct device *dev) | |
379 | { | |
380 | struct platform_device *pdev = to_platform_device(dev); | |
381 | struct dm9000_plat_data *pdata = pdev->dev.platform_data; | |
382 | struct board_info *db; /* Point a board information structure */ | |
383 | struct net_device *ndev; | |
384 | unsigned long base; | |
385 | int ret = 0; | |
386 | int iosize; | |
387 | int i; | |
388 | u32 id_val; | |
389 | ||
390 | printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME); | |
391 | ||
392 | /* Init network device */ | |
393 | ndev = alloc_etherdev(sizeof (struct board_info)); | |
394 | if (!ndev) { | |
395 | printk("%s: could not allocate device.\n", CARDNAME); | |
396 | return -ENOMEM; | |
397 | } | |
398 | ||
399 | SET_MODULE_OWNER(ndev); | |
400 | SET_NETDEV_DEV(ndev, dev); | |
401 | ||
402 | PRINTK2("dm9000_probe()"); | |
403 | ||
404 | /* setup board info structure */ | |
405 | db = (struct board_info *) ndev->priv; | |
406 | memset(db, 0, sizeof (*db)); | |
407 | ||
408 | if (pdev->num_resources < 2) { | |
409 | ret = -ENODEV; | |
410 | goto out; | |
411 | } | |
412 | ||
413 | switch (pdev->num_resources) { | |
414 | case 2: | |
415 | base = pdev->resource[0].start; | |
416 | ||
417 | if (!request_mem_region(base, 4, ndev->name)) { | |
418 | ret = -EBUSY; | |
419 | goto out; | |
420 | } | |
421 | ||
422 | ndev->base_addr = base; | |
423 | ndev->irq = pdev->resource[1].start; | |
424 | db->io_addr = (void *)base; | |
425 | db->io_data = (void *)(base + 4); | |
426 | ||
427 | break; | |
428 | ||
429 | case 3: | |
430 | db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
431 | db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); | |
432 | db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
433 | ||
434 | if (db->addr_res == NULL || db->data_res == NULL) { | |
435 | printk(KERN_ERR PFX "insufficient resources\n"); | |
436 | ret = -ENOENT; | |
437 | goto out; | |
438 | } | |
439 | ||
440 | i = res_size(db->addr_res); | |
441 | db->addr_req = request_mem_region(db->addr_res->start, i, | |
442 | pdev->name); | |
443 | ||
444 | if (db->addr_req == NULL) { | |
445 | printk(KERN_ERR PFX "cannot claim address reg area\n"); | |
446 | ret = -EIO; | |
447 | goto out; | |
448 | } | |
449 | ||
450 | db->io_addr = ioremap(db->addr_res->start, i); | |
451 | ||
452 | if (db->io_addr == NULL) { | |
453 | printk(KERN_ERR "failed to ioremap address reg\n"); | |
454 | ret = -EINVAL; | |
455 | goto out; | |
456 | } | |
457 | ||
458 | iosize = res_size(db->data_res); | |
459 | db->data_req = request_mem_region(db->data_res->start, iosize, | |
460 | pdev->name); | |
461 | ||
462 | if (db->data_req == NULL) { | |
463 | printk(KERN_ERR PFX "cannot claim data reg area\n"); | |
464 | ret = -EIO; | |
465 | goto out; | |
466 | } | |
467 | ||
468 | db->io_data = ioremap(db->data_res->start, iosize); | |
469 | ||
470 | if (db->io_data == NULL) { | |
471 | printk(KERN_ERR "failed to ioremap data reg\n"); | |
472 | ret = -EINVAL; | |
473 | goto out; | |
474 | } | |
475 | ||
476 | /* fill in parameters for net-dev structure */ | |
477 | ||
478 | ndev->base_addr = (unsigned long)db->io_addr; | |
479 | ndev->irq = db->irq_res->start; | |
480 | ||
481 | /* ensure at least we have a default set of IO routines */ | |
482 | dm9000_set_io(db, iosize); | |
483 | ||
484 | } | |
485 | ||
486 | /* check to see if anything is being over-ridden */ | |
487 | if (pdata != NULL) { | |
488 | /* check to see if the driver wants to over-ride the | |
489 | * default IO width */ | |
490 | ||
491 | if (pdata->flags & DM9000_PLATF_8BITONLY) | |
492 | dm9000_set_io(db, 1); | |
493 | ||
494 | if (pdata->flags & DM9000_PLATF_16BITONLY) | |
495 | dm9000_set_io(db, 2); | |
496 | ||
497 | if (pdata->flags & DM9000_PLATF_32BITONLY) | |
498 | dm9000_set_io(db, 4); | |
499 | ||
500 | /* check to see if there are any IO routine | |
501 | * over-rides */ | |
502 | ||
503 | if (pdata->inblk != NULL) | |
504 | db->inblk = pdata->inblk; | |
505 | ||
506 | if (pdata->outblk != NULL) | |
507 | db->outblk = pdata->outblk; | |
508 | ||
509 | if (pdata->dumpblk != NULL) | |
510 | db->dumpblk = pdata->dumpblk; | |
511 | } | |
512 | ||
513 | dm9000_reset(db); | |
514 | ||
515 | /* try two times, DM9000 sometimes gets the first read wrong */ | |
516 | for (i = 0; i < 2; i++) { | |
517 | id_val = ior(db, DM9000_VIDL); | |
518 | id_val |= (u32)ior(db, DM9000_VIDH) << 8; | |
519 | id_val |= (u32)ior(db, DM9000_PIDL) << 16; | |
520 | id_val |= (u32)ior(db, DM9000_PIDH) << 24; | |
521 | ||
522 | if (id_val == DM9000_ID) | |
523 | break; | |
524 | printk("%s: read wrong id 0x%08x\n", CARDNAME, id_val); | |
525 | } | |
526 | ||
527 | if (id_val != DM9000_ID) { | |
528 | printk("%s: wrong id: 0x%08x\n", CARDNAME, id_val); | |
529 | goto release; | |
530 | } | |
531 | ||
532 | /* from this point we assume that we have found a DM9000 */ | |
533 | ||
534 | /* driver system function */ | |
535 | ether_setup(ndev); | |
536 | ||
537 | ndev->open = &dm9000_open; | |
538 | ndev->hard_start_xmit = &dm9000_start_xmit; | |
539 | ndev->tx_timeout = &dm9000_timeout; | |
540 | ndev->watchdog_timeo = msecs_to_jiffies(watchdog); | |
541 | ndev->stop = &dm9000_stop; | |
542 | ndev->get_stats = &dm9000_get_stats; | |
543 | ndev->set_multicast_list = &dm9000_hash_table; | |
544 | ndev->do_ioctl = &dm9000_do_ioctl; | |
545 | ||
546 | #ifdef DM9000_PROGRAM_EEPROM | |
547 | program_eeprom(db); | |
548 | #endif | |
549 | db->msg_enable = NETIF_MSG_LINK; | |
550 | db->mii.phy_id_mask = 0x1f; | |
551 | db->mii.reg_num_mask = 0x1f; | |
552 | db->mii.force_media = 0; | |
553 | db->mii.full_duplex = 0; | |
554 | db->mii.dev = ndev; | |
555 | db->mii.mdio_read = dm9000_phy_read; | |
556 | db->mii.mdio_write = dm9000_phy_write; | |
557 | ||
558 | /* Read SROM content */ | |
559 | for (i = 0; i < 64; i++) | |
560 | ((u16 *) db->srom)[i] = read_srom_word(db, i); | |
561 | ||
562 | /* Set Node Address */ | |
563 | for (i = 0; i < 6; i++) | |
564 | ndev->dev_addr[i] = db->srom[i]; | |
565 | ||
566 | if (!is_valid_ether_addr(ndev->dev_addr)) | |
567 | printk("%s: Invalid ethernet MAC address. Please " | |
568 | "set using ifconfig\n", ndev->name); | |
569 | ||
570 | dev_set_drvdata(dev, ndev); | |
571 | ret = register_netdev(ndev); | |
572 | ||
573 | if (ret == 0) { | |
574 | printk("%s: dm9000 at %p,%p IRQ %d MAC: ", | |
575 | ndev->name, db->io_addr, db->io_data, ndev->irq); | |
576 | for (i = 0; i < 5; i++) | |
577 | printk("%02x:", ndev->dev_addr[i]); | |
578 | printk("%02x\n", ndev->dev_addr[5]); | |
579 | } | |
580 | return 0; | |
581 | ||
582 | release: | |
583 | out: | |
584 | printk("%s: not found (%d).\n", CARDNAME, ret); | |
585 | ||
586 | dm9000_release_board(pdev, db); | |
587 | kfree(ndev); | |
588 | ||
589 | return ret; | |
590 | } | |
591 | ||
592 | /* | |
593 | * Open the interface. | |
594 | * The interface is opened whenever "ifconfig" actives it. | |
595 | */ | |
596 | static int | |
597 | dm9000_open(struct net_device *dev) | |
598 | { | |
599 | board_info_t *db = (board_info_t *) dev->priv; | |
600 | ||
601 | PRINTK2("entering dm9000_open\n"); | |
602 | ||
603 | if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ, dev->name, dev)) | |
604 | return -EAGAIN; | |
605 | ||
606 | /* Initialize DM9000 board */ | |
607 | dm9000_reset(db); | |
608 | dm9000_init_dm9000(dev); | |
609 | ||
610 | /* Init driver variable */ | |
611 | db->dbug_cnt = 0; | |
612 | ||
613 | /* set and active a timer process */ | |
614 | init_timer(&db->timer); | |
615 | db->timer.expires = DM9000_TIMER_WUT * 2; | |
616 | db->timer.data = (unsigned long) dev; | |
617 | db->timer.function = &dm9000_timer; | |
618 | add_timer(&db->timer); | |
619 | ||
620 | mii_check_media(&db->mii, netif_msg_link(db), 1); | |
621 | netif_start_queue(dev); | |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | /* | |
627 | * Initilize dm9000 board | |
628 | */ | |
629 | static void | |
630 | dm9000_init_dm9000(struct net_device *dev) | |
631 | { | |
632 | board_info_t *db = (board_info_t *) dev->priv; | |
633 | ||
634 | PRINTK1("entering %s\n",__FUNCTION__); | |
635 | ||
636 | /* I/O mode */ | |
637 | db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */ | |
638 | ||
639 | /* GPIO0 on pre-activate PHY */ | |
640 | iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */ | |
641 | iow(db, DM9000_GPCR, GPCR_GEP_CNTL); /* Let GPIO0 output */ | |
642 | iow(db, DM9000_GPR, 0); /* Enable PHY */ | |
643 | ||
644 | /* Program operating register */ | |
645 | iow(db, DM9000_TCR, 0); /* TX Polling clear */ | |
646 | iow(db, DM9000_BPTR, 0x3f); /* Less 3Kb, 200us */ | |
647 | iow(db, DM9000_FCR, 0xff); /* Flow Control */ | |
648 | iow(db, DM9000_SMCR, 0); /* Special Mode */ | |
649 | /* clear TX status */ | |
650 | iow(db, DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END); | |
651 | iow(db, DM9000_ISR, ISR_CLR_STATUS); /* Clear interrupt status */ | |
652 | ||
653 | /* Set address filter table */ | |
654 | dm9000_hash_table(dev); | |
655 | ||
656 | /* Activate DM9000 */ | |
657 | iow(db, DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); | |
658 | /* Enable TX/RX interrupt mask */ | |
659 | iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); | |
660 | ||
661 | /* Init Driver variable */ | |
662 | db->tx_pkt_cnt = 0; | |
663 | db->queue_pkt_len = 0; | |
664 | dev->trans_start = 0; | |
665 | spin_lock_init(&db->lock); | |
666 | } | |
667 | ||
668 | /* | |
669 | * Hardware start transmission. | |
670 | * Send a packet to media from the upper layer. | |
671 | */ | |
672 | static int | |
673 | dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
674 | { | |
675 | board_info_t *db = (board_info_t *) dev->priv; | |
676 | ||
677 | PRINTK3("dm9000_start_xmit\n"); | |
678 | ||
679 | if (db->tx_pkt_cnt > 1) | |
680 | return 1; | |
681 | ||
682 | netif_stop_queue(dev); | |
683 | ||
684 | /* Disable all interrupts */ | |
685 | iow(db, DM9000_IMR, IMR_PAR); | |
686 | ||
687 | /* Move data to DM9000 TX RAM */ | |
688 | writeb(DM9000_MWCMD, db->io_addr); | |
689 | ||
690 | (db->outblk)(db->io_data, skb->data, skb->len); | |
691 | db->stats.tx_bytes += skb->len; | |
692 | ||
693 | /* TX control: First packet immediately send, second packet queue */ | |
694 | if (db->tx_pkt_cnt == 0) { | |
695 | ||
696 | /* First Packet */ | |
697 | db->tx_pkt_cnt++; | |
698 | ||
699 | /* Set TX length to DM9000 */ | |
700 | iow(db, DM9000_TXPLL, skb->len & 0xff); | |
701 | iow(db, DM9000_TXPLH, (skb->len >> 8) & 0xff); | |
702 | ||
703 | /* Issue TX polling command */ | |
704 | iow(db, DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ | |
705 | ||
706 | dev->trans_start = jiffies; /* save the time stamp */ | |
707 | ||
708 | } else { | |
709 | /* Second packet */ | |
710 | db->tx_pkt_cnt++; | |
711 | db->queue_pkt_len = skb->len; | |
712 | } | |
713 | ||
714 | /* free this SKB */ | |
715 | dev_kfree_skb(skb); | |
716 | ||
717 | /* Re-enable resource check */ | |
718 | if (db->tx_pkt_cnt == 1) | |
719 | netif_wake_queue(dev); | |
720 | ||
721 | /* Re-enable interrupt */ | |
722 | iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); | |
723 | ||
724 | return 0; | |
725 | } | |
726 | ||
727 | static void | |
728 | dm9000_shutdown(struct net_device *dev) | |
729 | { | |
730 | board_info_t *db = (board_info_t *) dev->priv; | |
731 | ||
732 | /* RESET device */ | |
733 | dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */ | |
734 | iow(db, DM9000_GPR, 0x01); /* Power-Down PHY */ | |
735 | iow(db, DM9000_IMR, IMR_PAR); /* Disable all interrupt */ | |
736 | iow(db, DM9000_RCR, 0x00); /* Disable RX */ | |
737 | } | |
738 | ||
739 | /* | |
740 | * Stop the interface. | |
741 | * The interface is stopped when it is brought. | |
742 | */ | |
743 | static int | |
744 | dm9000_stop(struct net_device *ndev) | |
745 | { | |
746 | board_info_t *db = (board_info_t *) ndev->priv; | |
747 | ||
748 | PRINTK1("entering %s\n",__FUNCTION__); | |
749 | ||
750 | /* deleted timer */ | |
751 | del_timer(&db->timer); | |
752 | ||
753 | netif_stop_queue(ndev); | |
754 | netif_carrier_off(ndev); | |
755 | ||
756 | /* free interrupt */ | |
757 | free_irq(ndev->irq, ndev); | |
758 | ||
759 | dm9000_shutdown(ndev); | |
760 | ||
761 | return 0; | |
762 | } | |
763 | ||
764 | /* | |
765 | * DM9000 interrupt handler | |
766 | * receive the packet to upper layer, free the transmitted packet | |
767 | */ | |
768 | ||
769 | void | |
770 | dm9000_tx_done(struct net_device *dev, board_info_t * db) | |
771 | { | |
772 | int tx_status = ior(db, DM9000_NSR); /* Got TX status */ | |
773 | ||
774 | if (tx_status & (NSR_TX2END | NSR_TX1END)) { | |
775 | /* One packet sent complete */ | |
776 | db->tx_pkt_cnt--; | |
777 | db->stats.tx_packets++; | |
778 | ||
779 | /* Queue packet check & send */ | |
780 | if (db->tx_pkt_cnt > 0) { | |
781 | iow(db, DM9000_TXPLL, db->queue_pkt_len & 0xff); | |
782 | iow(db, DM9000_TXPLH, (db->queue_pkt_len >> 8) & 0xff); | |
783 | iow(db, DM9000_TCR, TCR_TXREQ); | |
784 | dev->trans_start = jiffies; | |
785 | } | |
786 | netif_wake_queue(dev); | |
787 | } | |
788 | } | |
789 | ||
790 | static irqreturn_t | |
791 | dm9000_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
792 | { | |
793 | struct net_device *dev = dev_id; | |
794 | board_info_t *db; | |
795 | int int_status; | |
796 | u8 reg_save; | |
797 | ||
798 | PRINTK3("entering %s\n",__FUNCTION__); | |
799 | ||
800 | if (!dev) { | |
801 | PRINTK1("dm9000_interrupt() without DEVICE arg\n"); | |
802 | return IRQ_HANDLED; | |
803 | } | |
804 | ||
805 | /* A real interrupt coming */ | |
806 | db = (board_info_t *) dev->priv; | |
807 | spin_lock(&db->lock); | |
808 | ||
809 | /* Save previous register address */ | |
810 | reg_save = readb(db->io_addr); | |
811 | ||
812 | /* Disable all interrupts */ | |
813 | iow(db, DM9000_IMR, IMR_PAR); | |
814 | ||
815 | /* Got DM9000 interrupt status */ | |
816 | int_status = ior(db, DM9000_ISR); /* Got ISR */ | |
817 | iow(db, DM9000_ISR, int_status); /* Clear ISR status */ | |
818 | ||
819 | /* Received the coming packet */ | |
820 | if (int_status & ISR_PRS) | |
821 | dm9000_rx(dev); | |
822 | ||
823 | /* Trnasmit Interrupt check */ | |
824 | if (int_status & ISR_PTS) | |
825 | dm9000_tx_done(dev, db); | |
826 | ||
827 | /* Re-enable interrupt mask */ | |
828 | iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); | |
829 | ||
830 | /* Restore previous register address */ | |
831 | writeb(reg_save, db->io_addr); | |
832 | ||
833 | spin_unlock(&db->lock); | |
834 | ||
835 | return IRQ_HANDLED; | |
836 | } | |
837 | ||
838 | /* | |
839 | * Get statistics from driver. | |
840 | */ | |
841 | static struct net_device_stats * | |
842 | dm9000_get_stats(struct net_device *dev) | |
843 | { | |
844 | board_info_t *db = (board_info_t *) dev->priv; | |
845 | return &db->stats; | |
846 | } | |
847 | ||
848 | /* | |
849 | * Process the upper socket ioctl command | |
850 | */ | |
851 | static int | |
852 | dm9000_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
853 | { | |
854 | PRINTK1("entering %s\n",__FUNCTION__); | |
855 | return 0; | |
856 | } | |
857 | ||
858 | /* | |
859 | * A periodic timer routine | |
860 | * Dynamic media sense, allocated Rx buffer... | |
861 | */ | |
862 | static void | |
863 | dm9000_timer(unsigned long data) | |
864 | { | |
865 | struct net_device *dev = (struct net_device *) data; | |
866 | board_info_t *db = (board_info_t *) dev->priv; | |
867 | u8 reg_save; | |
868 | unsigned long flags; | |
869 | ||
870 | PRINTK3("dm9000_timer()\n"); | |
871 | ||
872 | spin_lock_irqsave(db->lock,flags); | |
873 | /* Save previous register address */ | |
874 | reg_save = readb(db->io_addr); | |
875 | ||
876 | mii_check_media(&db->mii, netif_msg_link(db), 0); | |
877 | ||
878 | /* Restore previous register address */ | |
879 | writeb(reg_save, db->io_addr); | |
880 | spin_unlock_irqrestore(db->lock,flags); | |
881 | ||
882 | /* Set timer again */ | |
883 | db->timer.expires = DM9000_TIMER_WUT; | |
884 | add_timer(&db->timer); | |
885 | } | |
886 | ||
887 | struct dm9000_rxhdr { | |
888 | u16 RxStatus; | |
889 | u16 RxLen; | |
890 | } __attribute__((__packed__)); | |
891 | ||
892 | /* | |
893 | * Received a packet and pass to upper layer | |
894 | */ | |
895 | static void | |
896 | dm9000_rx(struct net_device *dev) | |
897 | { | |
898 | board_info_t *db = (board_info_t *) dev->priv; | |
899 | struct dm9000_rxhdr rxhdr; | |
900 | struct sk_buff *skb; | |
901 | u8 rxbyte, *rdptr; | |
902 | int GoodPacket; | |
903 | int RxLen; | |
904 | ||
905 | /* Check packet ready or not */ | |
906 | do { | |
907 | ior(db, DM9000_MRCMDX); /* Dummy read */ | |
908 | ||
909 | /* Get most updated data */ | |
910 | rxbyte = readb(db->io_data); | |
911 | ||
912 | /* Status check: this byte must be 0 or 1 */ | |
913 | if (rxbyte > DM9000_PKT_RDY) { | |
914 | printk("status check failed: %d\n", rxbyte); | |
915 | iow(db, DM9000_RCR, 0x00); /* Stop Device */ | |
916 | iow(db, DM9000_ISR, IMR_PAR); /* Stop INT request */ | |
917 | return; | |
918 | } | |
919 | ||
920 | if (rxbyte != DM9000_PKT_RDY) | |
921 | return; | |
922 | ||
923 | /* A packet ready now & Get status/length */ | |
924 | GoodPacket = TRUE; | |
925 | writeb(DM9000_MRCMD, db->io_addr); | |
926 | ||
927 | (db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr)); | |
928 | ||
929 | RxLen = rxhdr.RxLen; | |
930 | ||
931 | /* Packet Status check */ | |
932 | if (RxLen < 0x40) { | |
933 | GoodPacket = FALSE; | |
934 | PRINTK1("Bad Packet received (runt)\n"); | |
935 | } | |
936 | ||
937 | if (RxLen > DM9000_PKT_MAX) { | |
938 | PRINTK1("RST: RX Len:%x\n", RxLen); | |
939 | } | |
940 | ||
941 | if (rxhdr.RxStatus & 0xbf00) { | |
942 | GoodPacket = FALSE; | |
943 | if (rxhdr.RxStatus & 0x100) { | |
944 | PRINTK1("fifo error\n"); | |
945 | db->stats.rx_fifo_errors++; | |
946 | } | |
947 | if (rxhdr.RxStatus & 0x200) { | |
948 | PRINTK1("crc error\n"); | |
949 | db->stats.rx_crc_errors++; | |
950 | } | |
951 | if (rxhdr.RxStatus & 0x8000) { | |
952 | PRINTK1("length error\n"); | |
953 | db->stats.rx_length_errors++; | |
954 | } | |
955 | } | |
956 | ||
957 | /* Move data from DM9000 */ | |
958 | if (GoodPacket | |
959 | && ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) { | |
960 | skb->dev = dev; | |
961 | skb_reserve(skb, 2); | |
962 | rdptr = (u8 *) skb_put(skb, RxLen - 4); | |
963 | ||
964 | /* Read received packet from RX SRAM */ | |
965 | ||
966 | (db->inblk)(db->io_data, rdptr, RxLen); | |
967 | db->stats.rx_bytes += RxLen; | |
968 | ||
969 | /* Pass to upper layer */ | |
970 | skb->protocol = eth_type_trans(skb, dev); | |
971 | netif_rx(skb); | |
972 | db->stats.rx_packets++; | |
973 | ||
974 | } else { | |
975 | /* need to dump the packet's data */ | |
976 | ||
977 | (db->dumpblk)(db->io_data, RxLen); | |
978 | } | |
979 | } while (rxbyte == DM9000_PKT_RDY); | |
980 | } | |
981 | ||
982 | /* | |
983 | * Read a word data from SROM | |
984 | */ | |
985 | static u16 | |
986 | read_srom_word(board_info_t * db, int offset) | |
987 | { | |
988 | iow(db, DM9000_EPAR, offset); | |
989 | iow(db, DM9000_EPCR, EPCR_ERPRR); | |
990 | mdelay(8); /* according to the datasheet 200us should be enough, | |
991 | but it doesn't work */ | |
992 | iow(db, DM9000_EPCR, 0x0); | |
993 | return (ior(db, DM9000_EPDRL) + (ior(db, DM9000_EPDRH) << 8)); | |
994 | } | |
995 | ||
996 | #ifdef DM9000_PROGRAM_EEPROM | |
997 | /* | |
998 | * Write a word data to SROM | |
999 | */ | |
1000 | static void | |
1001 | write_srom_word(board_info_t * db, int offset, u16 val) | |
1002 | { | |
1003 | iow(db, DM9000_EPAR, offset); | |
1004 | iow(db, DM9000_EPDRH, ((val >> 8) & 0xff)); | |
1005 | iow(db, DM9000_EPDRL, (val & 0xff)); | |
1006 | iow(db, DM9000_EPCR, EPCR_WEP | EPCR_ERPRW); | |
1007 | mdelay(8); /* same shit */ | |
1008 | iow(db, DM9000_EPCR, 0); | |
1009 | } | |
1010 | ||
1011 | /* | |
1012 | * Only for development: | |
1013 | * Here we write static data to the eeprom in case | |
1014 | * we don't have valid content on a new board | |
1015 | */ | |
1016 | static void | |
1017 | program_eeprom(board_info_t * db) | |
1018 | { | |
1019 | u16 eeprom[] = { 0x0c00, 0x007f, 0x1300, /* MAC Address */ | |
1020 | 0x0000, /* Autoload: accept nothing */ | |
1021 | 0x0a46, 0x9000, /* Vendor / Product ID */ | |
1022 | 0x0000, /* pin control */ | |
1023 | 0x0000, | |
1024 | }; /* Wake-up mode control */ | |
1025 | int i; | |
1026 | for (i = 0; i < 8; i++) | |
1027 | write_srom_word(db, i, eeprom[i]); | |
1028 | } | |
1029 | #endif | |
1030 | ||
1031 | ||
1032 | /* | |
1033 | * Calculate the CRC valude of the Rx packet | |
1034 | * flag = 1 : return the reverse CRC (for the received packet CRC) | |
1035 | * 0 : return the normal CRC (for Hash Table index) | |
1036 | */ | |
1037 | ||
1038 | static unsigned long | |
1039 | cal_CRC(unsigned char *Data, unsigned int Len, u8 flag) | |
1040 | { | |
1041 | ||
1042 | u32 crc = ether_crc_le(Len, Data); | |
1043 | ||
1044 | if (flag) | |
1045 | return ~crc; | |
1046 | ||
1047 | return crc; | |
1048 | } | |
1049 | ||
1050 | /* | |
1051 | * Set DM9000 multicast address | |
1052 | */ | |
1053 | static void | |
1054 | dm9000_hash_table(struct net_device *dev) | |
1055 | { | |
1056 | board_info_t *db = (board_info_t *) dev->priv; | |
1057 | struct dev_mc_list *mcptr = dev->mc_list; | |
1058 | int mc_cnt = dev->mc_count; | |
1059 | u32 hash_val; | |
1060 | u16 i, oft, hash_table[4]; | |
1061 | unsigned long flags; | |
1062 | ||
1063 | PRINTK2("dm9000_hash_table()\n"); | |
1064 | ||
1065 | spin_lock_irqsave(&db->lock,flags); | |
1066 | ||
1067 | for (i = 0, oft = 0x10; i < 6; i++, oft++) | |
1068 | iow(db, oft, dev->dev_addr[i]); | |
1069 | ||
1070 | /* Clear Hash Table */ | |
1071 | for (i = 0; i < 4; i++) | |
1072 | hash_table[i] = 0x0; | |
1073 | ||
1074 | /* broadcast address */ | |
1075 | hash_table[3] = 0x8000; | |
1076 | ||
1077 | /* the multicast address in Hash Table : 64 bits */ | |
1078 | for (i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { | |
1079 | hash_val = cal_CRC((char *) mcptr->dmi_addr, 6, 0) & 0x3f; | |
1080 | hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16); | |
1081 | } | |
1082 | ||
1083 | /* Write the hash table to MAC MD table */ | |
1084 | for (i = 0, oft = 0x16; i < 4; i++) { | |
1085 | iow(db, oft++, hash_table[i] & 0xff); | |
1086 | iow(db, oft++, (hash_table[i] >> 8) & 0xff); | |
1087 | } | |
1088 | ||
1089 | spin_unlock_irqrestore(&db->lock,flags); | |
1090 | } | |
1091 | ||
1092 | ||
1093 | /* | |
1094 | * Read a word from phyxcer | |
1095 | */ | |
1096 | static int | |
1097 | dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg) | |
1098 | { | |
1099 | board_info_t *db = (board_info_t *) dev->priv; | |
1100 | unsigned long flags; | |
1101 | int ret; | |
1102 | ||
1103 | spin_lock_irqsave(&db->lock,flags); | |
1104 | /* Fill the phyxcer register into REG_0C */ | |
1105 | iow(db, DM9000_EPAR, DM9000_PHY | reg); | |
1106 | ||
1107 | iow(db, DM9000_EPCR, 0xc); /* Issue phyxcer read command */ | |
1108 | udelay(100); /* Wait read complete */ | |
1109 | iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer read command */ | |
1110 | ||
1111 | /* The read data keeps on REG_0D & REG_0E */ | |
1112 | ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL); | |
1113 | ||
1114 | spin_unlock_irqrestore(&db->lock,flags); | |
1115 | ||
1116 | return ret; | |
1117 | } | |
1118 | ||
1119 | /* | |
1120 | * Write a word to phyxcer | |
1121 | */ | |
1122 | static void | |
1123 | dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value) | |
1124 | { | |
1125 | board_info_t *db = (board_info_t *) dev->priv; | |
1126 | unsigned long flags; | |
1127 | ||
1128 | spin_lock_irqsave(&db->lock,flags); | |
1129 | ||
1130 | /* Fill the phyxcer register into REG_0C */ | |
1131 | iow(db, DM9000_EPAR, DM9000_PHY | reg); | |
1132 | ||
1133 | /* Fill the written data into REG_0D & REG_0E */ | |
1134 | iow(db, DM9000_EPDRL, (value & 0xff)); | |
1135 | iow(db, DM9000_EPDRH, ((value >> 8) & 0xff)); | |
1136 | ||
1137 | iow(db, DM9000_EPCR, 0xa); /* Issue phyxcer write command */ | |
1138 | udelay(500); /* Wait write complete */ | |
1139 | iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer write command */ | |
1140 | ||
1141 | spin_unlock_irqrestore(&db->lock,flags); | |
1142 | } | |
1143 | ||
1144 | static int | |
1145 | dm9000_drv_suspend(struct device *dev, u32 state, u32 level) | |
1146 | { | |
1147 | struct net_device *ndev = dev_get_drvdata(dev); | |
1148 | ||
1149 | if (ndev && level == SUSPEND_DISABLE) { | |
1150 | if (netif_running(ndev)) { | |
1151 | netif_device_detach(ndev); | |
1152 | dm9000_shutdown(ndev); | |
1153 | } | |
1154 | } | |
1155 | return 0; | |
1156 | } | |
1157 | ||
1158 | static int | |
1159 | dm9000_drv_resume(struct device *dev, u32 level) | |
1160 | { | |
1161 | struct net_device *ndev = dev_get_drvdata(dev); | |
1162 | board_info_t *db = (board_info_t *) ndev->priv; | |
1163 | ||
1164 | if (ndev && level == RESUME_ENABLE) { | |
1165 | ||
1166 | if (netif_running(ndev)) { | |
1167 | dm9000_reset(db); | |
1168 | dm9000_init_dm9000(ndev); | |
1169 | ||
1170 | netif_device_attach(ndev); | |
1171 | } | |
1172 | } | |
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | static int | |
1177 | dm9000_drv_remove(struct device *dev) | |
1178 | { | |
1179 | struct platform_device *pdev = to_platform_device(dev); | |
1180 | struct net_device *ndev = dev_get_drvdata(dev); | |
1181 | ||
1182 | dev_set_drvdata(dev, NULL); | |
1183 | ||
1184 | unregister_netdev(ndev); | |
1185 | dm9000_release_board(pdev, (board_info_t *) ndev->priv); | |
1186 | kfree(ndev); /* free device structure */ | |
1187 | ||
1188 | PRINTK1("clean_module() exit\n"); | |
1189 | ||
1190 | return 0; | |
1191 | } | |
1192 | ||
1193 | static struct device_driver dm9000_driver = { | |
1194 | .name = "dm9000", | |
1195 | .bus = &platform_bus_type, | |
1196 | .probe = dm9000_probe, | |
1197 | .remove = dm9000_drv_remove, | |
1198 | .suspend = dm9000_drv_suspend, | |
1199 | .resume = dm9000_drv_resume, | |
1200 | }; | |
1201 | ||
1202 | static int __init | |
1203 | dm9000_init(void) | |
1204 | { | |
1205 | return driver_register(&dm9000_driver); /* search board and register */ | |
1206 | } | |
1207 | ||
1208 | static void __exit | |
1209 | dm9000_cleanup(void) | |
1210 | { | |
1211 | driver_unregister(&dm9000_driver); | |
1212 | } | |
1213 | ||
1214 | module_init(dm9000_init); | |
1215 | module_exit(dm9000_cleanup); | |
1216 | ||
1217 | MODULE_AUTHOR("Sascha Hauer, Ben Dooks"); | |
1218 | MODULE_DESCRIPTION("Davicom DM9000 network driver"); | |
1219 | MODULE_LICENSE("GPL"); |