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825a2ff1 BD |
1 | /* drivers/net/ax88796.c |
2 | * | |
3 | * Copyright 2005,2007 Simtec Electronics | |
4 | * Ben Dooks <ben@simtec.co.uk> | |
5 | * | |
6 | * Asix AX88796 10/100 Ethernet controller support | |
7 | * Based on ne.c, by Donald Becker, et-al. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
9f072429 | 12 | */ |
825a2ff1 BD |
13 | |
14 | #include <linux/module.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/errno.h> | |
17 | #include <linux/isapnp.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/interrupt.h> | |
9f072429 | 20 | #include <linux/io.h> |
825a2ff1 BD |
21 | #include <linux/platform_device.h> |
22 | #include <linux/delay.h> | |
23 | #include <linux/timer.h> | |
24 | #include <linux/netdevice.h> | |
25 | #include <linux/etherdevice.h> | |
26 | #include <linux/ethtool.h> | |
27 | #include <linux/mii.h> | |
89e536a1 | 28 | #include <linux/eeprom_93cx6.h> |
5a0e3ad6 | 29 | #include <linux/slab.h> |
825a2ff1 BD |
30 | |
31 | #include <net/ax88796.h> | |
32 | ||
33 | #include <asm/system.h> | |
825a2ff1 | 34 | |
9f072429 | 35 | static int phy_debug; |
825a2ff1 BD |
36 | |
37 | /* Rename the lib8390.c functions to show that they are in this driver */ | |
9f072429 MKB |
38 | #define __ei_open ax_ei_open |
39 | #define __ei_close ax_ei_close | |
40 | #define __ei_poll ax_ei_poll | |
d57bc36e | 41 | #define __ei_start_xmit ax_ei_start_xmit |
825a2ff1 | 42 | #define __ei_tx_timeout ax_ei_tx_timeout |
9f072429 | 43 | #define __ei_get_stats ax_ei_get_stats |
d57bc36e | 44 | #define __ei_set_multicast_list ax_ei_set_multicast_list |
9f072429 | 45 | #define __ei_interrupt ax_ei_interrupt |
825a2ff1 | 46 | #define ____alloc_ei_netdev ax__alloc_ei_netdev |
9f072429 | 47 | #define __NS8390_init ax_NS8390_init |
825a2ff1 BD |
48 | |
49 | /* force unsigned long back to 'void __iomem *' */ | |
50 | #define ax_convert_addr(_a) ((void __force __iomem *)(_a)) | |
51 | ||
9f072429 | 52 | #define ei_inb(_a) readb(ax_convert_addr(_a)) |
825a2ff1 BD |
53 | #define ei_outb(_v, _a) writeb(_v, ax_convert_addr(_a)) |
54 | ||
9f072429 | 55 | #define ei_inb_p(_a) ei_inb(_a) |
825a2ff1 BD |
56 | #define ei_outb_p(_v, _a) ei_outb(_v, _a) |
57 | ||
58 | /* define EI_SHIFT() to take into account our register offsets */ | |
9f072429 | 59 | #define EI_SHIFT(x) (ei_local->reg_offset[(x)]) |
825a2ff1 BD |
60 | |
61 | /* Ensure we have our RCR base value */ | |
62 | #define AX88796_PLATFORM | |
63 | ||
64 | static unsigned char version[] = "ax88796.c: Copyright 2005,2007 Simtec Electronics\n"; | |
65 | ||
66 | #include "lib8390.c" | |
67 | ||
68 | #define DRV_NAME "ax88796" | |
69 | #define DRV_VERSION "1.00" | |
70 | ||
71 | /* from ne.c */ | |
72 | #define NE_CMD EI_SHIFT(0x00) | |
73 | #define NE_RESET EI_SHIFT(0x1f) | |
74 | #define NE_DATAPORT EI_SHIFT(0x10) | |
75 | ||
76 | #define NE1SM_START_PG 0x20 /* First page of TX buffer */ | |
9f072429 | 77 | #define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */ |
825a2ff1 BD |
78 | #define NESM_START_PG 0x40 /* First page of TX buffer */ |
79 | #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */ | |
80 | ||
81 | /* device private data */ | |
82 | ||
83 | struct ax_device { | |
9f072429 MKB |
84 | struct timer_list mii_timer; |
85 | spinlock_t mii_lock; | |
86 | struct mii_if_info mii; | |
87 | ||
88 | u32 msg_enable; | |
89 | void __iomem *map2; | |
90 | struct platform_device *dev; | |
91 | struct resource *mem; | |
92 | struct resource *mem2; | |
93 | struct ax_plat_data *plat; | |
94 | ||
95 | unsigned char running; | |
96 | unsigned char resume_open; | |
97 | unsigned int irqflags; | |
98 | ||
99 | u32 reg_offsets[0x20]; | |
825a2ff1 BD |
100 | }; |
101 | ||
102 | static inline struct ax_device *to_ax_dev(struct net_device *dev) | |
103 | { | |
104 | struct ei_device *ei_local = netdev_priv(dev); | |
9f072429 | 105 | return (struct ax_device *)(ei_local + 1); |
825a2ff1 BD |
106 | } |
107 | ||
9f072429 MKB |
108 | /* |
109 | * ax_initial_check | |
825a2ff1 BD |
110 | * |
111 | * do an initial probe for the card to check wether it exists | |
112 | * and is functional | |
113 | */ | |
825a2ff1 BD |
114 | static int ax_initial_check(struct net_device *dev) |
115 | { | |
116 | struct ei_device *ei_local = netdev_priv(dev); | |
117 | void __iomem *ioaddr = ei_local->mem; | |
118 | int reg0; | |
119 | int regd; | |
120 | ||
121 | reg0 = ei_inb(ioaddr); | |
122 | if (reg0 == 0xFF) | |
123 | return -ENODEV; | |
124 | ||
9f072429 | 125 | ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, ioaddr + E8390_CMD); |
825a2ff1 BD |
126 | regd = ei_inb(ioaddr + 0x0d); |
127 | ei_outb(0xff, ioaddr + 0x0d); | |
9f072429 | 128 | ei_outb(E8390_NODMA + E8390_PAGE0, ioaddr + E8390_CMD); |
825a2ff1 BD |
129 | ei_inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */ |
130 | if (ei_inb(ioaddr + EN0_COUNTER0) != 0) { | |
131 | ei_outb(reg0, ioaddr); | |
132 | ei_outb(regd, ioaddr + 0x0d); /* Restore the old values. */ | |
133 | return -ENODEV; | |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
9f072429 MKB |
139 | /* |
140 | * Hard reset the card. This used to pause for the same period that a | |
141 | * 8390 reset command required, but that shouldn't be necessary. | |
142 | */ | |
825a2ff1 BD |
143 | static void ax_reset_8390(struct net_device *dev) |
144 | { | |
145 | struct ei_device *ei_local = netdev_priv(dev); | |
9f072429 | 146 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
147 | unsigned long reset_start_time = jiffies; |
148 | void __iomem *addr = (void __iomem *)dev->base_addr; | |
149 | ||
150 | if (ei_debug > 1) | |
237c5e8e | 151 | dev_dbg(&ax->dev->dev, "resetting the 8390 t=%ld\n", jiffies); |
825a2ff1 BD |
152 | |
153 | ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET); | |
154 | ||
ea5a43db MKB |
155 | ei_local->txing = 0; |
156 | ei_local->dmaing = 0; | |
825a2ff1 BD |
157 | |
158 | /* This check _should_not_ be necessary, omit eventually. */ | |
159 | while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) { | |
9f072429 | 160 | if (jiffies - reset_start_time > 2 * HZ / 100) { |
237c5e8e | 161 | dev_warn(&ax->dev->dev, "%s: %s did not complete.\n", |
b39d66a8 | 162 | __func__, dev->name); |
825a2ff1 BD |
163 | break; |
164 | } | |
165 | } | |
166 | ||
167 | ei_outb(ENISR_RESET, addr + EN0_ISR); /* Ack intr. */ | |
168 | } | |
169 | ||
170 | ||
171 | static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, | |
172 | int ring_page) | |
173 | { | |
174 | struct ei_device *ei_local = netdev_priv(dev); | |
9f072429 | 175 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
176 | void __iomem *nic_base = ei_local->mem; |
177 | ||
178 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
ea5a43db | 179 | if (ei_local->dmaing) { |
237c5e8e BD |
180 | dev_err(&ax->dev->dev, "%s: DMAing conflict in %s " |
181 | "[DMAstat:%d][irqlock:%d].\n", | |
b39d66a8 | 182 | dev->name, __func__, |
ea5a43db | 183 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
184 | return; |
185 | } | |
186 | ||
ea5a43db | 187 | ei_local->dmaing |= 0x01; |
9f072429 | 188 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD); |
825a2ff1 BD |
189 | ei_outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); |
190 | ei_outb(0, nic_base + EN0_RCNTHI); | |
191 | ei_outb(0, nic_base + EN0_RSARLO); /* On page boundary */ | |
192 | ei_outb(ring_page, nic_base + EN0_RSARHI); | |
193 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
194 | ||
ea5a43db | 195 | if (ei_local->word16) |
9f072429 MKB |
196 | readsw(nic_base + NE_DATAPORT, hdr, |
197 | sizeof(struct e8390_pkt_hdr) >> 1); | |
825a2ff1 | 198 | else |
9f072429 MKB |
199 | readsb(nic_base + NE_DATAPORT, hdr, |
200 | sizeof(struct e8390_pkt_hdr)); | |
825a2ff1 BD |
201 | |
202 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ | |
ea5a43db | 203 | ei_local->dmaing &= ~0x01; |
825a2ff1 BD |
204 | |
205 | le16_to_cpus(&hdr->count); | |
206 | } | |
207 | ||
208 | ||
9f072429 MKB |
209 | /* |
210 | * Block input and output, similar to the Crynwr packet driver. If | |
211 | * you are porting to a new ethercard, look at the packet driver | |
212 | * source for hints. The NEx000 doesn't share the on-board packet | |
213 | * memory -- you have to put the packet out through the "remote DMA" | |
214 | * dataport using ei_outb. | |
215 | */ | |
825a2ff1 BD |
216 | static void ax_block_input(struct net_device *dev, int count, |
217 | struct sk_buff *skb, int ring_offset) | |
218 | { | |
219 | struct ei_device *ei_local = netdev_priv(dev); | |
9f072429 | 220 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
221 | void __iomem *nic_base = ei_local->mem; |
222 | char *buf = skb->data; | |
223 | ||
ea5a43db | 224 | if (ei_local->dmaing) { |
237c5e8e BD |
225 | dev_err(&ax->dev->dev, |
226 | "%s: DMAing conflict in %s " | |
825a2ff1 | 227 | "[DMAstat:%d][irqlock:%d].\n", |
b39d66a8 | 228 | dev->name, __func__, |
ea5a43db | 229 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
230 | return; |
231 | } | |
232 | ||
ea5a43db | 233 | ei_local->dmaing |= 0x01; |
825a2ff1 | 234 | |
9f072429 | 235 | ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + NE_CMD); |
825a2ff1 BD |
236 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); |
237 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); | |
238 | ei_outb(ring_offset & 0xff, nic_base + EN0_RSARLO); | |
239 | ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI); | |
240 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
241 | ||
ea5a43db | 242 | if (ei_local->word16) { |
825a2ff1 BD |
243 | readsw(nic_base + NE_DATAPORT, buf, count >> 1); |
244 | if (count & 0x01) | |
245 | buf[count-1] = ei_inb(nic_base + NE_DATAPORT); | |
246 | ||
247 | } else { | |
248 | readsb(nic_base + NE_DATAPORT, buf, count); | |
249 | } | |
250 | ||
ea5a43db | 251 | ei_local->dmaing &= ~1; |
825a2ff1 BD |
252 | } |
253 | ||
254 | static void ax_block_output(struct net_device *dev, int count, | |
255 | const unsigned char *buf, const int start_page) | |
256 | { | |
257 | struct ei_device *ei_local = netdev_priv(dev); | |
9f072429 | 258 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
259 | void __iomem *nic_base = ei_local->mem; |
260 | unsigned long dma_start; | |
261 | ||
9f072429 MKB |
262 | /* |
263 | * Round the count up for word writes. Do we need to do this? | |
264 | * What effect will an odd byte count have on the 8390? I | |
265 | * should check someday. | |
266 | */ | |
ea5a43db | 267 | if (ei_local->word16 && (count & 0x01)) |
825a2ff1 BD |
268 | count++; |
269 | ||
270 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
ea5a43db | 271 | if (ei_local->dmaing) { |
237c5e8e | 272 | dev_err(&ax->dev->dev, "%s: DMAing conflict in %s." |
825a2ff1 | 273 | "[DMAstat:%d][irqlock:%d]\n", |
b39d66a8 | 274 | dev->name, __func__, |
ea5a43db | 275 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
276 | return; |
277 | } | |
278 | ||
ea5a43db | 279 | ei_local->dmaing |= 0x01; |
825a2ff1 BD |
280 | /* We should already be in page 0, but to be safe... */ |
281 | ei_outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); | |
282 | ||
283 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); | |
284 | ||
285 | /* Now the normal output. */ | |
286 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); | |
9f072429 | 287 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); |
825a2ff1 BD |
288 | ei_outb(0x00, nic_base + EN0_RSARLO); |
289 | ei_outb(start_page, nic_base + EN0_RSARHI); | |
290 | ||
291 | ei_outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); | |
ea5a43db | 292 | if (ei_local->word16) |
9f072429 MKB |
293 | writesw(nic_base + NE_DATAPORT, buf, count >> 1); |
294 | else | |
825a2ff1 | 295 | writesb(nic_base + NE_DATAPORT, buf, count); |
825a2ff1 BD |
296 | |
297 | dma_start = jiffies; | |
298 | ||
299 | while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) { | |
9f072429 | 300 | if (jiffies - dma_start > 2 * HZ / 100) { /* 20ms */ |
237c5e8e BD |
301 | dev_warn(&ax->dev->dev, |
302 | "%s: timeout waiting for Tx RDC.\n", dev->name); | |
825a2ff1 | 303 | ax_reset_8390(dev); |
9f072429 | 304 | ax_NS8390_init(dev, 1); |
825a2ff1 BD |
305 | break; |
306 | } | |
307 | } | |
308 | ||
309 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ | |
ea5a43db | 310 | ei_local->dmaing &= ~0x01; |
825a2ff1 BD |
311 | } |
312 | ||
313 | /* definitions for accessing MII/EEPROM interface */ | |
314 | ||
315 | #define AX_MEMR EI_SHIFT(0x14) | |
9f072429 MKB |
316 | #define AX_MEMR_MDC BIT(0) |
317 | #define AX_MEMR_MDIR BIT(1) | |
318 | #define AX_MEMR_MDI BIT(2) | |
319 | #define AX_MEMR_MDO BIT(3) | |
320 | #define AX_MEMR_EECS BIT(4) | |
321 | #define AX_MEMR_EEI BIT(5) | |
322 | #define AX_MEMR_EEO BIT(6) | |
323 | #define AX_MEMR_EECLK BIT(7) | |
324 | ||
325 | /* | |
326 | * ax_mii_ei_outbits | |
825a2ff1 BD |
327 | * |
328 | * write the specified set of bits to the phy | |
9f072429 | 329 | */ |
825a2ff1 BD |
330 | static void |
331 | ax_mii_ei_outbits(struct net_device *dev, unsigned int bits, int len) | |
332 | { | |
ece49153 | 333 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 BD |
334 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
335 | unsigned int memr; | |
336 | ||
337 | /* clock low, data to output mode */ | |
338 | memr = ei_inb(memr_addr); | |
339 | memr &= ~(AX_MEMR_MDC | AX_MEMR_MDIR); | |
340 | ei_outb(memr, memr_addr); | |
341 | ||
342 | for (len--; len >= 0; len--) { | |
343 | if (bits & (1 << len)) | |
344 | memr |= AX_MEMR_MDO; | |
345 | else | |
346 | memr &= ~AX_MEMR_MDO; | |
347 | ||
348 | ei_outb(memr, memr_addr); | |
349 | ||
350 | /* clock high */ | |
351 | ||
352 | ei_outb(memr | AX_MEMR_MDC, memr_addr); | |
353 | udelay(1); | |
354 | ||
355 | /* clock low */ | |
356 | ei_outb(memr, memr_addr); | |
357 | } | |
358 | ||
359 | /* leaves the clock line low, mdir input */ | |
360 | memr |= AX_MEMR_MDIR; | |
361 | ei_outb(memr, (void __iomem *)dev->base_addr + AX_MEMR); | |
362 | } | |
363 | ||
9f072429 MKB |
364 | /* |
365 | * ax_phy_ei_inbits | |
825a2ff1 BD |
366 | * |
367 | * read a specified number of bits from the phy | |
9f072429 | 368 | */ |
825a2ff1 BD |
369 | static unsigned int |
370 | ax_phy_ei_inbits(struct net_device *dev, int no) | |
371 | { | |
ece49153 | 372 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 BD |
373 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
374 | unsigned int memr; | |
375 | unsigned int result = 0; | |
376 | ||
377 | /* clock low, data to input mode */ | |
378 | memr = ei_inb(memr_addr); | |
379 | memr &= ~AX_MEMR_MDC; | |
380 | memr |= AX_MEMR_MDIR; | |
381 | ei_outb(memr, memr_addr); | |
382 | ||
383 | for (no--; no >= 0; no--) { | |
384 | ei_outb(memr | AX_MEMR_MDC, memr_addr); | |
385 | ||
386 | udelay(1); | |
387 | ||
388 | if (ei_inb(memr_addr) & AX_MEMR_MDI) | |
9f072429 | 389 | result |= (1 << no); |
825a2ff1 BD |
390 | |
391 | ei_outb(memr, memr_addr); | |
392 | } | |
393 | ||
394 | return result; | |
395 | } | |
396 | ||
9f072429 MKB |
397 | /* |
398 | * ax_phy_issueaddr | |
825a2ff1 BD |
399 | * |
400 | * use the low level bit shifting routines to send the address | |
401 | * and command to the specified phy | |
9f072429 | 402 | */ |
825a2ff1 BD |
403 | static void |
404 | ax_phy_issueaddr(struct net_device *dev, int phy_addr, int reg, int opc) | |
405 | { | |
406 | if (phy_debug) | |
407 | pr_debug("%s: dev %p, %04x, %04x, %d\n", | |
b39d66a8 | 408 | __func__, dev, phy_addr, reg, opc); |
825a2ff1 BD |
409 | |
410 | ax_mii_ei_outbits(dev, 0x3f, 6); /* pre-amble */ | |
411 | ax_mii_ei_outbits(dev, 1, 2); /* frame-start */ | |
412 | ax_mii_ei_outbits(dev, opc, 2); /* op code */ | |
413 | ax_mii_ei_outbits(dev, phy_addr, 5); /* phy address */ | |
414 | ax_mii_ei_outbits(dev, reg, 5); /* reg address */ | |
415 | } | |
416 | ||
417 | static int | |
418 | ax_phy_read(struct net_device *dev, int phy_addr, int reg) | |
419 | { | |
ece49153 | 420 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 | 421 | unsigned long flags; |
9f072429 | 422 | unsigned int result; |
825a2ff1 | 423 | |
9f072429 | 424 | spin_lock_irqsave(&ei_local->page_lock, flags); |
825a2ff1 BD |
425 | |
426 | ax_phy_issueaddr(dev, phy_addr, reg, 2); | |
427 | ||
428 | result = ax_phy_ei_inbits(dev, 17); | |
9f072429 | 429 | result &= ~(3 << 16); |
825a2ff1 | 430 | |
9f072429 | 431 | spin_unlock_irqrestore(&ei_local->page_lock, flags); |
825a2ff1 BD |
432 | |
433 | if (phy_debug) | |
b39d66a8 | 434 | pr_debug("%s: %04x.%04x => read %04x\n", __func__, |
825a2ff1 BD |
435 | phy_addr, reg, result); |
436 | ||
437 | return result; | |
438 | } | |
439 | ||
440 | static void | |
441 | ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value) | |
442 | { | |
ece49153 | 443 | struct ei_device *ei = netdev_priv(dev); |
9f072429 | 444 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
445 | unsigned long flags; |
446 | ||
237c5e8e | 447 | dev_dbg(&ax->dev->dev, "%s: %p, %04x, %04x %04x\n", |
b39d66a8 | 448 | __func__, dev, phy_addr, reg, value); |
825a2ff1 | 449 | |
9f072429 | 450 | spin_lock_irqsave(&ei->page_lock, flags); |
825a2ff1 BD |
451 | |
452 | ax_phy_issueaddr(dev, phy_addr, reg, 1); | |
453 | ax_mii_ei_outbits(dev, 2, 2); /* send TA */ | |
454 | ax_mii_ei_outbits(dev, value, 16); | |
455 | ||
9f072429 | 456 | spin_unlock_irqrestore(&ei->page_lock, flags); |
825a2ff1 BD |
457 | } |
458 | ||
459 | static void ax_mii_expiry(unsigned long data) | |
460 | { | |
461 | struct net_device *dev = (struct net_device *)data; | |
9f072429 | 462 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
463 | unsigned long flags; |
464 | ||
465 | spin_lock_irqsave(&ax->mii_lock, flags); | |
466 | mii_check_media(&ax->mii, netif_msg_link(ax), 0); | |
467 | spin_unlock_irqrestore(&ax->mii_lock, flags); | |
468 | ||
469 | if (ax->running) { | |
470 | ax->mii_timer.expires = jiffies + HZ*2; | |
471 | add_timer(&ax->mii_timer); | |
472 | } | |
473 | } | |
474 | ||
475 | static int ax_open(struct net_device *dev) | |
476 | { | |
9f072429 | 477 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
478 | struct ei_device *ei_local = netdev_priv(dev); |
479 | int ret; | |
480 | ||
2832e856 | 481 | dev_dbg(&ax->dev->dev, "%s: open\n", dev->name); |
825a2ff1 | 482 | |
47cb0355 DM |
483 | ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags, |
484 | dev->name, dev); | |
825a2ff1 BD |
485 | if (ret) |
486 | return ret; | |
487 | ||
488 | ret = ax_ei_open(dev); | |
9f1e7582 KV |
489 | if (ret) { |
490 | free_irq(dev->irq, dev); | |
825a2ff1 | 491 | return ret; |
9f1e7582 | 492 | } |
825a2ff1 BD |
493 | |
494 | /* turn the phy on (if turned off) */ | |
495 | ||
496 | ei_outb(ax->plat->gpoc_val, ei_local->mem + EI_SHIFT(0x17)); | |
497 | ax->running = 1; | |
498 | ||
499 | /* start the MII timer */ | |
500 | ||
501 | init_timer(&ax->mii_timer); | |
502 | ||
9f072429 MKB |
503 | ax->mii_timer.expires = jiffies + 1; |
504 | ax->mii_timer.data = (unsigned long) dev; | |
825a2ff1 BD |
505 | ax->mii_timer.function = ax_mii_expiry; |
506 | ||
507 | add_timer(&ax->mii_timer); | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | static int ax_close(struct net_device *dev) | |
513 | { | |
514 | struct ax_device *ax = to_ax_dev(dev); | |
515 | struct ei_device *ei_local = netdev_priv(dev); | |
516 | ||
2832e856 | 517 | dev_dbg(&ax->dev->dev, "%s: close\n", dev->name); |
825a2ff1 BD |
518 | |
519 | /* turn the phy off */ | |
520 | ||
9f072429 | 521 | ei_outb(ax->plat->gpoc_val | (1 << 6), |
825a2ff1 BD |
522 | ei_local->mem + EI_SHIFT(0x17)); |
523 | ||
524 | ax->running = 0; | |
525 | wmb(); | |
526 | ||
527 | del_timer_sync(&ax->mii_timer); | |
528 | ax_ei_close(dev); | |
529 | ||
530 | free_irq(dev->irq, dev); | |
531 | return 0; | |
532 | } | |
533 | ||
534 | static int ax_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
535 | { | |
536 | struct ax_device *ax = to_ax_dev(dev); | |
537 | unsigned long flags; | |
538 | int rc; | |
539 | ||
540 | if (!netif_running(dev)) | |
541 | return -EINVAL; | |
542 | ||
543 | spin_lock_irqsave(&ax->mii_lock, flags); | |
544 | rc = generic_mii_ioctl(&ax->mii, if_mii(req), cmd, NULL); | |
545 | spin_unlock_irqrestore(&ax->mii_lock, flags); | |
546 | ||
547 | return rc; | |
548 | } | |
549 | ||
550 | /* ethtool ops */ | |
551 | ||
552 | static void ax_get_drvinfo(struct net_device *dev, | |
553 | struct ethtool_drvinfo *info) | |
554 | { | |
555 | struct ax_device *ax = to_ax_dev(dev); | |
556 | ||
557 | strcpy(info->driver, DRV_NAME); | |
558 | strcpy(info->version, DRV_VERSION); | |
559 | strcpy(info->bus_info, ax->dev->name); | |
560 | } | |
561 | ||
562 | static int ax_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
563 | { | |
564 | struct ax_device *ax = to_ax_dev(dev); | |
565 | unsigned long flags; | |
566 | ||
567 | spin_lock_irqsave(&ax->mii_lock, flags); | |
568 | mii_ethtool_gset(&ax->mii, cmd); | |
c0912585 | 569 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
825a2ff1 BD |
570 | |
571 | return 0; | |
572 | } | |
573 | ||
574 | static int ax_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
575 | { | |
576 | struct ax_device *ax = to_ax_dev(dev); | |
577 | unsigned long flags; | |
578 | int rc; | |
579 | ||
580 | spin_lock_irqsave(&ax->mii_lock, flags); | |
581 | rc = mii_ethtool_sset(&ax->mii, cmd); | |
c0912585 | 582 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
825a2ff1 BD |
583 | |
584 | return rc; | |
585 | } | |
586 | ||
587 | static int ax_nway_reset(struct net_device *dev) | |
588 | { | |
589 | struct ax_device *ax = to_ax_dev(dev); | |
590 | return mii_nway_restart(&ax->mii); | |
591 | } | |
592 | ||
593 | static u32 ax_get_link(struct net_device *dev) | |
594 | { | |
595 | struct ax_device *ax = to_ax_dev(dev); | |
596 | return mii_link_ok(&ax->mii); | |
597 | } | |
598 | ||
599 | static const struct ethtool_ops ax_ethtool_ops = { | |
600 | .get_drvinfo = ax_get_drvinfo, | |
601 | .get_settings = ax_get_settings, | |
602 | .set_settings = ax_set_settings, | |
603 | .nway_reset = ax_nway_reset, | |
604 | .get_link = ax_get_link, | |
825a2ff1 BD |
605 | }; |
606 | ||
89e536a1 MD |
607 | #ifdef CONFIG_AX88796_93CX6 |
608 | static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom) | |
609 | { | |
610 | struct ei_device *ei_local = eeprom->data; | |
611 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); | |
612 | ||
613 | eeprom->reg_data_in = reg & AX_MEMR_EEI; | |
614 | eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */ | |
615 | eeprom->reg_data_clock = reg & AX_MEMR_EECLK; | |
616 | eeprom->reg_chip_select = reg & AX_MEMR_EECS; | |
617 | } | |
618 | ||
619 | static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom) | |
620 | { | |
621 | struct ei_device *ei_local = eeprom->data; | |
622 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); | |
623 | ||
624 | reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS); | |
625 | ||
626 | if (eeprom->reg_data_in) | |
627 | reg |= AX_MEMR_EEI; | |
628 | if (eeprom->reg_data_clock) | |
629 | reg |= AX_MEMR_EECLK; | |
630 | if (eeprom->reg_chip_select) | |
631 | reg |= AX_MEMR_EECS; | |
632 | ||
633 | ei_outb(reg, ei_local->mem + AX_MEMR); | |
634 | udelay(10); | |
635 | } | |
636 | #endif | |
637 | ||
d57bc36e MD |
638 | static const struct net_device_ops ax_netdev_ops = { |
639 | .ndo_open = ax_open, | |
640 | .ndo_stop = ax_close, | |
641 | .ndo_do_ioctl = ax_ioctl, | |
642 | ||
643 | .ndo_start_xmit = ax_ei_start_xmit, | |
644 | .ndo_tx_timeout = ax_ei_tx_timeout, | |
645 | .ndo_get_stats = ax_ei_get_stats, | |
646 | .ndo_set_multicast_list = ax_ei_set_multicast_list, | |
647 | .ndo_validate_addr = eth_validate_addr, | |
9f072429 | 648 | .ndo_set_mac_address = eth_mac_addr, |
d57bc36e MD |
649 | .ndo_change_mtu = eth_change_mtu, |
650 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
651 | .ndo_poll_controller = ax_ei_poll, | |
652 | #endif | |
653 | }; | |
654 | ||
825a2ff1 BD |
655 | /* setup code */ |
656 | ||
657 | static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local) | |
658 | { | |
659 | void __iomem *ioaddr = ei_local->mem; | |
660 | struct ax_device *ax = to_ax_dev(dev); | |
661 | ||
9f072429 MKB |
662 | /* Select page 0 */ |
663 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_STOP, ioaddr + E8390_CMD); | |
825a2ff1 BD |
664 | |
665 | /* set to byte access */ | |
666 | ei_outb(ax->plat->dcr_val & ~1, ioaddr + EN0_DCFG); | |
667 | ei_outb(ax->plat->gpoc_val, ioaddr + EI_SHIFT(0x17)); | |
668 | } | |
669 | ||
9f072429 MKB |
670 | /* |
671 | * ax_init_dev | |
825a2ff1 BD |
672 | * |
673 | * initialise the specified device, taking care to note the MAC | |
674 | * address it may already have (if configured), ensure | |
675 | * the device is ready to be used by lib8390.c and registerd with | |
676 | * the network layer. | |
677 | */ | |
1cbece33 | 678 | static int ax_init_dev(struct net_device *dev) |
825a2ff1 BD |
679 | { |
680 | struct ei_device *ei_local = netdev_priv(dev); | |
681 | struct ax_device *ax = to_ax_dev(dev); | |
682 | void __iomem *ioaddr = ei_local->mem; | |
683 | unsigned int start_page; | |
684 | unsigned int stop_page; | |
685 | int ret; | |
686 | int i; | |
687 | ||
688 | ret = ax_initial_check(dev); | |
689 | if (ret) | |
690 | goto err_out; | |
691 | ||
692 | /* setup goes here */ | |
693 | ||
694 | ax_initial_setup(dev, ei_local); | |
695 | ||
696 | /* read the mac from the card prom if we need it */ | |
697 | ||
1cbece33 | 698 | if (ax->plat->flags & AXFLG_HAS_EEPROM) { |
825a2ff1 BD |
699 | unsigned char SA_prom[32]; |
700 | ||
9f072429 | 701 | for (i = 0; i < sizeof(SA_prom); i += 2) { |
825a2ff1 | 702 | SA_prom[i] = ei_inb(ioaddr + NE_DATAPORT); |
9f072429 | 703 | SA_prom[i + 1] = ei_inb(ioaddr + NE_DATAPORT); |
825a2ff1 BD |
704 | } |
705 | ||
706 | if (ax->plat->wordlength == 2) | |
707 | for (i = 0; i < 16; i++) | |
708 | SA_prom[i] = SA_prom[i+i]; | |
709 | ||
9f072429 | 710 | memcpy(dev->dev_addr, SA_prom, 6); |
825a2ff1 BD |
711 | } |
712 | ||
89e536a1 | 713 | #ifdef CONFIG_AX88796_93CX6 |
1cbece33 | 714 | if (ax->plat->flags & AXFLG_HAS_93CX6) { |
89e536a1 MD |
715 | unsigned char mac_addr[6]; |
716 | struct eeprom_93cx6 eeprom; | |
717 | ||
718 | eeprom.data = ei_local; | |
719 | eeprom.register_read = ax_eeprom_register_read; | |
720 | eeprom.register_write = ax_eeprom_register_write; | |
721 | eeprom.width = PCI_EEPROM_WIDTH_93C56; | |
722 | ||
723 | eeprom_93cx6_multiread(&eeprom, 0, | |
724 | (__le16 __force *)mac_addr, | |
725 | sizeof(mac_addr) >> 1); | |
726 | ||
9f072429 | 727 | memcpy(dev->dev_addr, mac_addr, 6); |
89e536a1 MD |
728 | } |
729 | #endif | |
825a2ff1 BD |
730 | if (ax->plat->wordlength == 2) { |
731 | /* We must set the 8390 for word mode. */ | |
732 | ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG); | |
733 | start_page = NESM_START_PG; | |
734 | stop_page = NESM_STOP_PG; | |
735 | } else { | |
736 | start_page = NE1SM_START_PG; | |
737 | stop_page = NE1SM_STOP_PG; | |
738 | } | |
739 | ||
1cbece33 MKB |
740 | /* load the mac-address from the device */ |
741 | if (ax->plat->flags & AXFLG_MAC_FROMDEV) { | |
742 | ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, | |
743 | ei_local->mem + E8390_CMD); /* 0x61 */ | |
744 | for (i = 0; i < ETHER_ADDR_LEN; i++) | |
745 | dev->dev_addr[i] = | |
746 | ei_inb(ioaddr + EN1_PHYS_SHIFT(i)); | |
825a2ff1 BD |
747 | } |
748 | ||
1cbece33 MKB |
749 | if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) && |
750 | ax->plat->mac_addr) | |
751 | memcpy(dev->dev_addr, ax->plat->mac_addr, | |
752 | ETHER_ADDR_LEN); | |
753 | ||
825a2ff1 BD |
754 | ax_reset_8390(dev); |
755 | ||
ea5a43db MKB |
756 | ei_local->name = "AX88796"; |
757 | ei_local->tx_start_page = start_page; | |
758 | ei_local->stop_page = stop_page; | |
759 | ei_local->word16 = (ax->plat->wordlength == 2); | |
760 | ei_local->rx_start_page = start_page + TX_PAGES; | |
825a2ff1 BD |
761 | |
762 | #ifdef PACKETBUF_MEMSIZE | |
9f072429 | 763 | /* Allow the packet buffer size to be overridden by know-it-alls. */ |
ea5a43db | 764 | ei_local->stop_page = ei_local->tx_start_page + PACKETBUF_MEMSIZE; |
825a2ff1 BD |
765 | #endif |
766 | ||
ea5a43db MKB |
767 | ei_local->reset_8390 = &ax_reset_8390; |
768 | ei_local->block_input = &ax_block_input; | |
769 | ei_local->block_output = &ax_block_output; | |
770 | ei_local->get_8390_hdr = &ax_get_8390_hdr; | |
771 | ei_local->priv = 0; | |
825a2ff1 | 772 | |
9f072429 MKB |
773 | dev->netdev_ops = &ax_netdev_ops; |
774 | dev->ethtool_ops = &ax_ethtool_ops; | |
825a2ff1 BD |
775 | |
776 | ax->msg_enable = NETIF_MSG_LINK; | |
777 | ax->mii.phy_id_mask = 0x1f; | |
778 | ax->mii.reg_num_mask = 0x1f; | |
779 | ax->mii.phy_id = 0x10; /* onboard phy */ | |
780 | ax->mii.force_media = 0; | |
781 | ax->mii.full_duplex = 0; | |
782 | ax->mii.mdio_read = ax_phy_read; | |
783 | ax->mii.mdio_write = ax_phy_write; | |
784 | ax->mii.dev = dev; | |
785 | ||
825a2ff1 BD |
786 | ax_NS8390_init(dev, 0); |
787 | ||
1cbece33 MKB |
788 | dev_info(&ax->dev->dev, "%dbit, irq %d, %lx, MAC: %pM\n", |
789 | ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr, | |
790 | dev->dev_addr); | |
825a2ff1 BD |
791 | |
792 | ret = register_netdev(dev); | |
793 | if (ret) | |
794 | goto out_irq; | |
795 | ||
796 | return 0; | |
797 | ||
798 | out_irq: | |
799 | /* cleanup irq */ | |
800 | free_irq(dev->irq, dev); | |
801 | err_out: | |
802 | return ret; | |
803 | } | |
804 | ||
805 | static int ax_remove(struct platform_device *_dev) | |
806 | { | |
807 | struct net_device *dev = platform_get_drvdata(_dev); | |
ea5a43db | 808 | struct ei_device *ei_local = netdev_priv(dev); |
9f072429 | 809 | struct ax_device *ax; |
825a2ff1 BD |
810 | |
811 | ax = to_ax_dev(dev); | |
812 | ||
813 | unregister_netdev(dev); | |
814 | free_irq(dev->irq, dev); | |
815 | ||
ea5a43db | 816 | iounmap(ei_local->mem); |
825a2ff1 BD |
817 | release_resource(ax->mem); |
818 | kfree(ax->mem); | |
819 | ||
820 | if (ax->map2) { | |
821 | iounmap(ax->map2); | |
822 | release_resource(ax->mem2); | |
823 | kfree(ax->mem2); | |
824 | } | |
825 | ||
826 | free_netdev(dev); | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
9f072429 MKB |
831 | /* |
832 | * ax_probe | |
825a2ff1 BD |
833 | * |
834 | * This is the entry point when the platform device system uses to | |
9f072429 MKB |
835 | * notify us of a new device to attach to. Allocate memory, find the |
836 | * resources and information passed, and map the necessary registers. | |
837 | */ | |
825a2ff1 BD |
838 | static int ax_probe(struct platform_device *pdev) |
839 | { | |
840 | struct net_device *dev; | |
ea5a43db | 841 | struct ei_device *ei_local; |
9f072429 MKB |
842 | struct ax_device *ax; |
843 | struct resource *res; | |
825a2ff1 | 844 | size_t size; |
47cb0355 | 845 | int ret = 0; |
825a2ff1 BD |
846 | |
847 | dev = ax__alloc_ei_netdev(sizeof(struct ax_device)); | |
848 | if (dev == NULL) | |
849 | return -ENOMEM; | |
850 | ||
851 | /* ok, let's setup our device */ | |
ea5a43db | 852 | ei_local = netdev_priv(dev); |
825a2ff1 BD |
853 | ax = to_ax_dev(dev); |
854 | ||
825a2ff1 BD |
855 | spin_lock_init(&ax->mii_lock); |
856 | ||
857 | ax->dev = pdev; | |
858 | ax->plat = pdev->dev.platform_data; | |
859 | platform_set_drvdata(pdev, dev); | |
860 | ||
ea5a43db | 861 | ei_local->rxcr_base = ax->plat->rcr_val; |
825a2ff1 BD |
862 | |
863 | /* find the platform resources */ | |
47cb0355 DM |
864 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
865 | if (res == NULL) { | |
825a2ff1 | 866 | dev_err(&pdev->dev, "no IRQ specified\n"); |
13eea192 | 867 | ret = -ENXIO; |
825a2ff1 BD |
868 | goto exit_mem; |
869 | } | |
47cb0355 DM |
870 | |
871 | dev->irq = res->start; | |
872 | ax->irqflags = res->flags & IRQF_TRIGGER_MASK; | |
825a2ff1 BD |
873 | |
874 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
875 | if (res == NULL) { | |
876 | dev_err(&pdev->dev, "no MEM specified\n"); | |
877 | ret = -ENXIO; | |
878 | goto exit_mem; | |
879 | } | |
880 | ||
881 | size = (res->end - res->start) + 1; | |
882 | ||
9f072429 MKB |
883 | /* |
884 | * setup the register offsets from either the platform data or | |
885 | * by using the size of the resource provided | |
886 | */ | |
825a2ff1 | 887 | if (ax->plat->reg_offsets) |
ea5a43db | 888 | ei_local->reg_offset = ax->plat->reg_offsets; |
825a2ff1 | 889 | else { |
ea5a43db | 890 | ei_local->reg_offset = ax->reg_offsets; |
825a2ff1 BD |
891 | for (ret = 0; ret < 0x18; ret++) |
892 | ax->reg_offsets[ret] = (size / 0x18) * ret; | |
893 | } | |
894 | ||
895 | ax->mem = request_mem_region(res->start, size, pdev->name); | |
896 | if (ax->mem == NULL) { | |
897 | dev_err(&pdev->dev, "cannot reserve registers\n"); | |
9f072429 | 898 | ret = -ENXIO; |
825a2ff1 BD |
899 | goto exit_mem; |
900 | } | |
901 | ||
ea5a43db MKB |
902 | ei_local->mem = ioremap(res->start, size); |
903 | dev->base_addr = (unsigned long)ei_local->mem; | |
825a2ff1 | 904 | |
ea5a43db | 905 | if (ei_local->mem == NULL) { |
b4efe22c AM |
906 | dev_err(&pdev->dev, "Cannot ioremap area (%08llx,%08llx)\n", |
907 | (unsigned long long)res->start, | |
908 | (unsigned long long)res->end); | |
825a2ff1 | 909 | |
9f072429 | 910 | ret = -ENXIO; |
825a2ff1 BD |
911 | goto exit_req; |
912 | } | |
913 | ||
914 | /* look for reset area */ | |
915 | ||
916 | res = platform_get_resource(pdev, IORESOURCE_MEM, 1); | |
917 | if (res == NULL) { | |
918 | if (!ax->plat->reg_offsets) { | |
919 | for (ret = 0; ret < 0x20; ret++) | |
920 | ax->reg_offsets[ret] = (size / 0x20) * ret; | |
921 | } | |
922 | ||
923 | ax->map2 = NULL; | |
924 | } else { | |
9f072429 | 925 | size = (res->end - res->start) + 1; |
825a2ff1 BD |
926 | |
927 | ax->mem2 = request_mem_region(res->start, size, pdev->name); | |
bcf4d812 | 928 | if (ax->mem2 == NULL) { |
825a2ff1 BD |
929 | dev_err(&pdev->dev, "cannot reserve registers\n"); |
930 | ret = -ENXIO; | |
931 | goto exit_mem1; | |
932 | } | |
933 | ||
934 | ax->map2 = ioremap(res->start, size); | |
935 | if (ax->map2 == NULL) { | |
898eb71c | 936 | dev_err(&pdev->dev, "cannot map reset register\n"); |
825a2ff1 BD |
937 | ret = -ENXIO; |
938 | goto exit_mem2; | |
939 | } | |
940 | ||
ea5a43db | 941 | ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem; |
825a2ff1 BD |
942 | } |
943 | ||
944 | /* got resources, now initialise and register device */ | |
945 | ||
1cbece33 | 946 | ret = ax_init_dev(dev); |
825a2ff1 BD |
947 | if (!ret) |
948 | return 0; | |
949 | ||
950 | if (ax->map2 == NULL) | |
951 | goto exit_mem1; | |
952 | ||
953 | iounmap(ax->map2); | |
954 | ||
955 | exit_mem2: | |
956 | release_resource(ax->mem2); | |
957 | kfree(ax->mem2); | |
958 | ||
959 | exit_mem1: | |
ea5a43db | 960 | iounmap(ei_local->mem); |
825a2ff1 BD |
961 | |
962 | exit_req: | |
963 | release_resource(ax->mem); | |
964 | kfree(ax->mem); | |
965 | ||
966 | exit_mem: | |
967 | free_netdev(dev); | |
968 | ||
969 | return ret; | |
970 | } | |
971 | ||
972 | /* suspend and resume */ | |
973 | ||
974 | #ifdef CONFIG_PM | |
975 | static int ax_suspend(struct platform_device *dev, pm_message_t state) | |
976 | { | |
977 | struct net_device *ndev = platform_get_drvdata(dev); | |
9f072429 | 978 | struct ax_device *ax = to_ax_dev(ndev); |
825a2ff1 BD |
979 | |
980 | ax->resume_open = ax->running; | |
981 | ||
982 | netif_device_detach(ndev); | |
983 | ax_close(ndev); | |
984 | ||
985 | return 0; | |
986 | } | |
987 | ||
988 | static int ax_resume(struct platform_device *pdev) | |
989 | { | |
990 | struct net_device *ndev = platform_get_drvdata(pdev); | |
9f072429 | 991 | struct ax_device *ax = to_ax_dev(ndev); |
825a2ff1 BD |
992 | |
993 | ax_initial_setup(ndev, netdev_priv(ndev)); | |
994 | ax_NS8390_init(ndev, ax->resume_open); | |
995 | netif_device_attach(ndev); | |
996 | ||
997 | if (ax->resume_open) | |
998 | ax_open(ndev); | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | #else | |
1004 | #define ax_suspend NULL | |
9f072429 | 1005 | #define ax_resume NULL |
825a2ff1 BD |
1006 | #endif |
1007 | ||
1008 | static struct platform_driver axdrv = { | |
1009 | .driver = { | |
1010 | .name = "ax88796", | |
1011 | .owner = THIS_MODULE, | |
1012 | }, | |
1013 | .probe = ax_probe, | |
1014 | .remove = ax_remove, | |
1015 | .suspend = ax_suspend, | |
1016 | .resume = ax_resume, | |
1017 | }; | |
1018 | ||
1019 | static int __init axdrv_init(void) | |
1020 | { | |
1021 | return platform_driver_register(&axdrv); | |
1022 | } | |
1023 | ||
1024 | static void __exit axdrv_exit(void) | |
1025 | { | |
1026 | platform_driver_unregister(&axdrv); | |
1027 | } | |
1028 | ||
1029 | module_init(axdrv_init); | |
1030 | module_exit(axdrv_exit); | |
1031 | ||
1032 | MODULE_DESCRIPTION("AX88796 10/100 Ethernet platform driver"); | |
1033 | MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); | |
1034 | MODULE_LICENSE("GPL v2"); | |
72abb461 | 1035 | MODULE_ALIAS("platform:ax88796"); |