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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); | |
146 | unsigned long reset_start_time = jiffies; | |
147 | void __iomem *addr = (void __iomem *)dev->base_addr; | |
148 | ||
149 | if (ei_debug > 1) | |
85ac6162 | 150 | netdev_dbg(dev, "resetting the 8390 t=%ld\n", jiffies); |
825a2ff1 BD |
151 | |
152 | ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET); | |
153 | ||
ea5a43db MKB |
154 | ei_local->txing = 0; |
155 | ei_local->dmaing = 0; | |
825a2ff1 BD |
156 | |
157 | /* This check _should_not_ be necessary, omit eventually. */ | |
158 | while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) { | |
9f072429 | 159 | if (jiffies - reset_start_time > 2 * HZ / 100) { |
85ac6162 | 160 | netdev_warn(dev, "%s: did not complete.\n", __func__); |
825a2ff1 BD |
161 | break; |
162 | } | |
163 | } | |
164 | ||
165 | ei_outb(ENISR_RESET, addr + EN0_ISR); /* Ack intr. */ | |
166 | } | |
167 | ||
168 | ||
169 | static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, | |
170 | int ring_page) | |
171 | { | |
172 | struct ei_device *ei_local = netdev_priv(dev); | |
173 | void __iomem *nic_base = ei_local->mem; | |
174 | ||
175 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
ea5a43db | 176 | if (ei_local->dmaing) { |
85ac6162 | 177 | netdev_err(dev, "DMAing conflict in %s " |
237c5e8e | 178 | "[DMAstat:%d][irqlock:%d].\n", |
85ac6162 | 179 | __func__, |
ea5a43db | 180 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
181 | return; |
182 | } | |
183 | ||
ea5a43db | 184 | ei_local->dmaing |= 0x01; |
9f072429 | 185 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD); |
825a2ff1 BD |
186 | ei_outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); |
187 | ei_outb(0, nic_base + EN0_RCNTHI); | |
188 | ei_outb(0, nic_base + EN0_RSARLO); /* On page boundary */ | |
189 | ei_outb(ring_page, nic_base + EN0_RSARHI); | |
190 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
191 | ||
ea5a43db | 192 | if (ei_local->word16) |
9f072429 MKB |
193 | readsw(nic_base + NE_DATAPORT, hdr, |
194 | sizeof(struct e8390_pkt_hdr) >> 1); | |
825a2ff1 | 195 | else |
9f072429 MKB |
196 | readsb(nic_base + NE_DATAPORT, hdr, |
197 | sizeof(struct e8390_pkt_hdr)); | |
825a2ff1 BD |
198 | |
199 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ | |
ea5a43db | 200 | ei_local->dmaing &= ~0x01; |
825a2ff1 BD |
201 | |
202 | le16_to_cpus(&hdr->count); | |
203 | } | |
204 | ||
205 | ||
9f072429 MKB |
206 | /* |
207 | * Block input and output, similar to the Crynwr packet driver. If | |
208 | * you are porting to a new ethercard, look at the packet driver | |
209 | * source for hints. The NEx000 doesn't share the on-board packet | |
210 | * memory -- you have to put the packet out through the "remote DMA" | |
211 | * dataport using ei_outb. | |
212 | */ | |
825a2ff1 BD |
213 | static void ax_block_input(struct net_device *dev, int count, |
214 | struct sk_buff *skb, int ring_offset) | |
215 | { | |
216 | struct ei_device *ei_local = netdev_priv(dev); | |
217 | void __iomem *nic_base = ei_local->mem; | |
218 | char *buf = skb->data; | |
219 | ||
ea5a43db | 220 | if (ei_local->dmaing) { |
85ac6162 MKB |
221 | netdev_err(dev, |
222 | "DMAing conflict in %s " | |
825a2ff1 | 223 | "[DMAstat:%d][irqlock:%d].\n", |
85ac6162 | 224 | __func__, |
ea5a43db | 225 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
226 | return; |
227 | } | |
228 | ||
ea5a43db | 229 | ei_local->dmaing |= 0x01; |
825a2ff1 | 230 | |
9f072429 | 231 | ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + NE_CMD); |
825a2ff1 BD |
232 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); |
233 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); | |
234 | ei_outb(ring_offset & 0xff, nic_base + EN0_RSARLO); | |
235 | ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI); | |
236 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); | |
237 | ||
ea5a43db | 238 | if (ei_local->word16) { |
825a2ff1 BD |
239 | readsw(nic_base + NE_DATAPORT, buf, count >> 1); |
240 | if (count & 0x01) | |
241 | buf[count-1] = ei_inb(nic_base + NE_DATAPORT); | |
242 | ||
243 | } else { | |
244 | readsb(nic_base + NE_DATAPORT, buf, count); | |
245 | } | |
246 | ||
ea5a43db | 247 | ei_local->dmaing &= ~1; |
825a2ff1 BD |
248 | } |
249 | ||
250 | static void ax_block_output(struct net_device *dev, int count, | |
251 | const unsigned char *buf, const int start_page) | |
252 | { | |
253 | struct ei_device *ei_local = netdev_priv(dev); | |
254 | void __iomem *nic_base = ei_local->mem; | |
255 | unsigned long dma_start; | |
256 | ||
9f072429 MKB |
257 | /* |
258 | * Round the count up for word writes. Do we need to do this? | |
259 | * What effect will an odd byte count have on the 8390? I | |
260 | * should check someday. | |
261 | */ | |
ea5a43db | 262 | if (ei_local->word16 && (count & 0x01)) |
825a2ff1 BD |
263 | count++; |
264 | ||
265 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ | |
ea5a43db | 266 | if (ei_local->dmaing) { |
85ac6162 | 267 | netdev_err(dev, "DMAing conflict in %s." |
825a2ff1 | 268 | "[DMAstat:%d][irqlock:%d]\n", |
85ac6162 | 269 | __func__, |
ea5a43db | 270 | ei_local->dmaing, ei_local->irqlock); |
825a2ff1 BD |
271 | return; |
272 | } | |
273 | ||
ea5a43db | 274 | ei_local->dmaing |= 0x01; |
825a2ff1 BD |
275 | /* We should already be in page 0, but to be safe... */ |
276 | ei_outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); | |
277 | ||
278 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); | |
279 | ||
280 | /* Now the normal output. */ | |
281 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); | |
9f072429 | 282 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); |
825a2ff1 BD |
283 | ei_outb(0x00, nic_base + EN0_RSARLO); |
284 | ei_outb(start_page, nic_base + EN0_RSARHI); | |
285 | ||
286 | ei_outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); | |
ea5a43db | 287 | if (ei_local->word16) |
9f072429 MKB |
288 | writesw(nic_base + NE_DATAPORT, buf, count >> 1); |
289 | else | |
825a2ff1 | 290 | writesb(nic_base + NE_DATAPORT, buf, count); |
825a2ff1 BD |
291 | |
292 | dma_start = jiffies; | |
293 | ||
294 | while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) { | |
9f072429 | 295 | if (jiffies - dma_start > 2 * HZ / 100) { /* 20ms */ |
85ac6162 | 296 | netdev_warn(dev, "timeout waiting for Tx RDC.\n"); |
825a2ff1 | 297 | ax_reset_8390(dev); |
9f072429 | 298 | ax_NS8390_init(dev, 1); |
825a2ff1 BD |
299 | break; |
300 | } | |
301 | } | |
302 | ||
303 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ | |
ea5a43db | 304 | ei_local->dmaing &= ~0x01; |
825a2ff1 BD |
305 | } |
306 | ||
307 | /* definitions for accessing MII/EEPROM interface */ | |
308 | ||
309 | #define AX_MEMR EI_SHIFT(0x14) | |
9f072429 MKB |
310 | #define AX_MEMR_MDC BIT(0) |
311 | #define AX_MEMR_MDIR BIT(1) | |
312 | #define AX_MEMR_MDI BIT(2) | |
313 | #define AX_MEMR_MDO BIT(3) | |
314 | #define AX_MEMR_EECS BIT(4) | |
315 | #define AX_MEMR_EEI BIT(5) | |
316 | #define AX_MEMR_EEO BIT(6) | |
317 | #define AX_MEMR_EECLK BIT(7) | |
318 | ||
319 | /* | |
320 | * ax_mii_ei_outbits | |
825a2ff1 BD |
321 | * |
322 | * write the specified set of bits to the phy | |
9f072429 | 323 | */ |
825a2ff1 BD |
324 | static void |
325 | ax_mii_ei_outbits(struct net_device *dev, unsigned int bits, int len) | |
326 | { | |
ece49153 | 327 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 BD |
328 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
329 | unsigned int memr; | |
330 | ||
331 | /* clock low, data to output mode */ | |
332 | memr = ei_inb(memr_addr); | |
333 | memr &= ~(AX_MEMR_MDC | AX_MEMR_MDIR); | |
334 | ei_outb(memr, memr_addr); | |
335 | ||
336 | for (len--; len >= 0; len--) { | |
337 | if (bits & (1 << len)) | |
338 | memr |= AX_MEMR_MDO; | |
339 | else | |
340 | memr &= ~AX_MEMR_MDO; | |
341 | ||
342 | ei_outb(memr, memr_addr); | |
343 | ||
344 | /* clock high */ | |
345 | ||
346 | ei_outb(memr | AX_MEMR_MDC, memr_addr); | |
347 | udelay(1); | |
348 | ||
349 | /* clock low */ | |
350 | ei_outb(memr, memr_addr); | |
351 | } | |
352 | ||
353 | /* leaves the clock line low, mdir input */ | |
354 | memr |= AX_MEMR_MDIR; | |
355 | ei_outb(memr, (void __iomem *)dev->base_addr + AX_MEMR); | |
356 | } | |
357 | ||
9f072429 MKB |
358 | /* |
359 | * ax_phy_ei_inbits | |
825a2ff1 BD |
360 | * |
361 | * read a specified number of bits from the phy | |
9f072429 | 362 | */ |
825a2ff1 BD |
363 | static unsigned int |
364 | ax_phy_ei_inbits(struct net_device *dev, int no) | |
365 | { | |
ece49153 | 366 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 BD |
367 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
368 | unsigned int memr; | |
369 | unsigned int result = 0; | |
370 | ||
371 | /* clock low, data to input mode */ | |
372 | memr = ei_inb(memr_addr); | |
373 | memr &= ~AX_MEMR_MDC; | |
374 | memr |= AX_MEMR_MDIR; | |
375 | ei_outb(memr, memr_addr); | |
376 | ||
377 | for (no--; no >= 0; no--) { | |
378 | ei_outb(memr | AX_MEMR_MDC, memr_addr); | |
379 | ||
380 | udelay(1); | |
381 | ||
382 | if (ei_inb(memr_addr) & AX_MEMR_MDI) | |
9f072429 | 383 | result |= (1 << no); |
825a2ff1 BD |
384 | |
385 | ei_outb(memr, memr_addr); | |
386 | } | |
387 | ||
388 | return result; | |
389 | } | |
390 | ||
9f072429 MKB |
391 | /* |
392 | * ax_phy_issueaddr | |
825a2ff1 BD |
393 | * |
394 | * use the low level bit shifting routines to send the address | |
395 | * and command to the specified phy | |
9f072429 | 396 | */ |
825a2ff1 BD |
397 | static void |
398 | ax_phy_issueaddr(struct net_device *dev, int phy_addr, int reg, int opc) | |
399 | { | |
400 | if (phy_debug) | |
85ac6162 | 401 | netdev_dbg(dev, "%s: dev %p, %04x, %04x, %d\n", |
b39d66a8 | 402 | __func__, dev, phy_addr, reg, opc); |
825a2ff1 BD |
403 | |
404 | ax_mii_ei_outbits(dev, 0x3f, 6); /* pre-amble */ | |
405 | ax_mii_ei_outbits(dev, 1, 2); /* frame-start */ | |
406 | ax_mii_ei_outbits(dev, opc, 2); /* op code */ | |
407 | ax_mii_ei_outbits(dev, phy_addr, 5); /* phy address */ | |
408 | ax_mii_ei_outbits(dev, reg, 5); /* reg address */ | |
409 | } | |
410 | ||
411 | static int | |
412 | ax_phy_read(struct net_device *dev, int phy_addr, int reg) | |
413 | { | |
ece49153 | 414 | struct ei_device *ei_local = netdev_priv(dev); |
825a2ff1 | 415 | unsigned long flags; |
9f072429 | 416 | unsigned int result; |
825a2ff1 | 417 | |
9f072429 | 418 | spin_lock_irqsave(&ei_local->page_lock, flags); |
825a2ff1 BD |
419 | |
420 | ax_phy_issueaddr(dev, phy_addr, reg, 2); | |
421 | ||
422 | result = ax_phy_ei_inbits(dev, 17); | |
9f072429 | 423 | result &= ~(3 << 16); |
825a2ff1 | 424 | |
9f072429 | 425 | spin_unlock_irqrestore(&ei_local->page_lock, flags); |
825a2ff1 BD |
426 | |
427 | if (phy_debug) | |
85ac6162 | 428 | netdev_dbg(dev, "%s: %04x.%04x => read %04x\n", __func__, |
825a2ff1 BD |
429 | phy_addr, reg, result); |
430 | ||
431 | return result; | |
432 | } | |
433 | ||
434 | static void | |
435 | ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value) | |
436 | { | |
ece49153 | 437 | struct ei_device *ei = netdev_priv(dev); |
825a2ff1 BD |
438 | unsigned long flags; |
439 | ||
85ac6162 | 440 | netdev_dbg(dev, "%s: %p, %04x, %04x %04x\n", |
b39d66a8 | 441 | __func__, dev, phy_addr, reg, value); |
825a2ff1 | 442 | |
9f072429 | 443 | spin_lock_irqsave(&ei->page_lock, flags); |
825a2ff1 BD |
444 | |
445 | ax_phy_issueaddr(dev, phy_addr, reg, 1); | |
446 | ax_mii_ei_outbits(dev, 2, 2); /* send TA */ | |
447 | ax_mii_ei_outbits(dev, value, 16); | |
448 | ||
9f072429 | 449 | spin_unlock_irqrestore(&ei->page_lock, flags); |
825a2ff1 BD |
450 | } |
451 | ||
452 | static void ax_mii_expiry(unsigned long data) | |
453 | { | |
454 | struct net_device *dev = (struct net_device *)data; | |
9f072429 | 455 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
456 | unsigned long flags; |
457 | ||
458 | spin_lock_irqsave(&ax->mii_lock, flags); | |
459 | mii_check_media(&ax->mii, netif_msg_link(ax), 0); | |
460 | spin_unlock_irqrestore(&ax->mii_lock, flags); | |
461 | ||
462 | if (ax->running) { | |
463 | ax->mii_timer.expires = jiffies + HZ*2; | |
464 | add_timer(&ax->mii_timer); | |
465 | } | |
466 | } | |
467 | ||
468 | static int ax_open(struct net_device *dev) | |
469 | { | |
9f072429 | 470 | struct ax_device *ax = to_ax_dev(dev); |
825a2ff1 BD |
471 | struct ei_device *ei_local = netdev_priv(dev); |
472 | int ret; | |
473 | ||
85ac6162 | 474 | netdev_dbg(dev, "open\n"); |
825a2ff1 | 475 | |
47cb0355 DM |
476 | ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags, |
477 | dev->name, dev); | |
825a2ff1 BD |
478 | if (ret) |
479 | return ret; | |
480 | ||
481 | ret = ax_ei_open(dev); | |
9f1e7582 KV |
482 | if (ret) { |
483 | free_irq(dev->irq, dev); | |
825a2ff1 | 484 | return ret; |
9f1e7582 | 485 | } |
825a2ff1 BD |
486 | |
487 | /* turn the phy on (if turned off) */ | |
488 | ||
489 | ei_outb(ax->plat->gpoc_val, ei_local->mem + EI_SHIFT(0x17)); | |
490 | ax->running = 1; | |
491 | ||
492 | /* start the MII timer */ | |
493 | ||
494 | init_timer(&ax->mii_timer); | |
495 | ||
9f072429 MKB |
496 | ax->mii_timer.expires = jiffies + 1; |
497 | ax->mii_timer.data = (unsigned long) dev; | |
825a2ff1 BD |
498 | ax->mii_timer.function = ax_mii_expiry; |
499 | ||
500 | add_timer(&ax->mii_timer); | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | static int ax_close(struct net_device *dev) | |
506 | { | |
507 | struct ax_device *ax = to_ax_dev(dev); | |
508 | struct ei_device *ei_local = netdev_priv(dev); | |
509 | ||
85ac6162 | 510 | netdev_dbg(dev, "close\n"); |
825a2ff1 BD |
511 | |
512 | /* turn the phy off */ | |
513 | ||
9f072429 | 514 | ei_outb(ax->plat->gpoc_val | (1 << 6), |
825a2ff1 BD |
515 | ei_local->mem + EI_SHIFT(0x17)); |
516 | ||
517 | ax->running = 0; | |
518 | wmb(); | |
519 | ||
520 | del_timer_sync(&ax->mii_timer); | |
521 | ax_ei_close(dev); | |
522 | ||
523 | free_irq(dev->irq, dev); | |
524 | return 0; | |
525 | } | |
526 | ||
527 | static int ax_ioctl(struct net_device *dev, struct ifreq *req, int cmd) | |
528 | { | |
529 | struct ax_device *ax = to_ax_dev(dev); | |
530 | unsigned long flags; | |
531 | int rc; | |
532 | ||
533 | if (!netif_running(dev)) | |
534 | return -EINVAL; | |
535 | ||
536 | spin_lock_irqsave(&ax->mii_lock, flags); | |
537 | rc = generic_mii_ioctl(&ax->mii, if_mii(req), cmd, NULL); | |
538 | spin_unlock_irqrestore(&ax->mii_lock, flags); | |
539 | ||
540 | return rc; | |
541 | } | |
542 | ||
543 | /* ethtool ops */ | |
544 | ||
545 | static void ax_get_drvinfo(struct net_device *dev, | |
546 | struct ethtool_drvinfo *info) | |
547 | { | |
548 | struct ax_device *ax = to_ax_dev(dev); | |
549 | ||
550 | strcpy(info->driver, DRV_NAME); | |
551 | strcpy(info->version, DRV_VERSION); | |
552 | strcpy(info->bus_info, ax->dev->name); | |
553 | } | |
554 | ||
555 | static int ax_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
556 | { | |
557 | struct ax_device *ax = to_ax_dev(dev); | |
558 | unsigned long flags; | |
559 | ||
560 | spin_lock_irqsave(&ax->mii_lock, flags); | |
561 | mii_ethtool_gset(&ax->mii, cmd); | |
c0912585 | 562 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
825a2ff1 BD |
563 | |
564 | return 0; | |
565 | } | |
566 | ||
567 | static int ax_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
568 | { | |
569 | struct ax_device *ax = to_ax_dev(dev); | |
570 | unsigned long flags; | |
571 | int rc; | |
572 | ||
573 | spin_lock_irqsave(&ax->mii_lock, flags); | |
574 | rc = mii_ethtool_sset(&ax->mii, cmd); | |
c0912585 | 575 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
825a2ff1 BD |
576 | |
577 | return rc; | |
578 | } | |
579 | ||
580 | static int ax_nway_reset(struct net_device *dev) | |
581 | { | |
582 | struct ax_device *ax = to_ax_dev(dev); | |
583 | return mii_nway_restart(&ax->mii); | |
584 | } | |
585 | ||
586 | static u32 ax_get_link(struct net_device *dev) | |
587 | { | |
588 | struct ax_device *ax = to_ax_dev(dev); | |
589 | return mii_link_ok(&ax->mii); | |
590 | } | |
591 | ||
592 | static const struct ethtool_ops ax_ethtool_ops = { | |
593 | .get_drvinfo = ax_get_drvinfo, | |
594 | .get_settings = ax_get_settings, | |
595 | .set_settings = ax_set_settings, | |
596 | .nway_reset = ax_nway_reset, | |
597 | .get_link = ax_get_link, | |
825a2ff1 BD |
598 | }; |
599 | ||
89e536a1 MD |
600 | #ifdef CONFIG_AX88796_93CX6 |
601 | static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom) | |
602 | { | |
603 | struct ei_device *ei_local = eeprom->data; | |
604 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); | |
605 | ||
606 | eeprom->reg_data_in = reg & AX_MEMR_EEI; | |
607 | eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */ | |
608 | eeprom->reg_data_clock = reg & AX_MEMR_EECLK; | |
609 | eeprom->reg_chip_select = reg & AX_MEMR_EECS; | |
610 | } | |
611 | ||
612 | static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom) | |
613 | { | |
614 | struct ei_device *ei_local = eeprom->data; | |
615 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); | |
616 | ||
617 | reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS); | |
618 | ||
619 | if (eeprom->reg_data_in) | |
620 | reg |= AX_MEMR_EEI; | |
621 | if (eeprom->reg_data_clock) | |
622 | reg |= AX_MEMR_EECLK; | |
623 | if (eeprom->reg_chip_select) | |
624 | reg |= AX_MEMR_EECS; | |
625 | ||
626 | ei_outb(reg, ei_local->mem + AX_MEMR); | |
627 | udelay(10); | |
628 | } | |
629 | #endif | |
630 | ||
d57bc36e MD |
631 | static const struct net_device_ops ax_netdev_ops = { |
632 | .ndo_open = ax_open, | |
633 | .ndo_stop = ax_close, | |
634 | .ndo_do_ioctl = ax_ioctl, | |
635 | ||
636 | .ndo_start_xmit = ax_ei_start_xmit, | |
637 | .ndo_tx_timeout = ax_ei_tx_timeout, | |
638 | .ndo_get_stats = ax_ei_get_stats, | |
639 | .ndo_set_multicast_list = ax_ei_set_multicast_list, | |
640 | .ndo_validate_addr = eth_validate_addr, | |
9f072429 | 641 | .ndo_set_mac_address = eth_mac_addr, |
d57bc36e MD |
642 | .ndo_change_mtu = eth_change_mtu, |
643 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
644 | .ndo_poll_controller = ax_ei_poll, | |
645 | #endif | |
646 | }; | |
647 | ||
825a2ff1 BD |
648 | /* setup code */ |
649 | ||
650 | static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local) | |
651 | { | |
652 | void __iomem *ioaddr = ei_local->mem; | |
653 | struct ax_device *ax = to_ax_dev(dev); | |
654 | ||
9f072429 MKB |
655 | /* Select page 0 */ |
656 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_STOP, ioaddr + E8390_CMD); | |
825a2ff1 BD |
657 | |
658 | /* set to byte access */ | |
659 | ei_outb(ax->plat->dcr_val & ~1, ioaddr + EN0_DCFG); | |
660 | ei_outb(ax->plat->gpoc_val, ioaddr + EI_SHIFT(0x17)); | |
661 | } | |
662 | ||
9f072429 MKB |
663 | /* |
664 | * ax_init_dev | |
825a2ff1 BD |
665 | * |
666 | * initialise the specified device, taking care to note the MAC | |
667 | * address it may already have (if configured), ensure | |
668 | * the device is ready to be used by lib8390.c and registerd with | |
669 | * the network layer. | |
670 | */ | |
1cbece33 | 671 | static int ax_init_dev(struct net_device *dev) |
825a2ff1 BD |
672 | { |
673 | struct ei_device *ei_local = netdev_priv(dev); | |
674 | struct ax_device *ax = to_ax_dev(dev); | |
675 | void __iomem *ioaddr = ei_local->mem; | |
676 | unsigned int start_page; | |
677 | unsigned int stop_page; | |
678 | int ret; | |
679 | int i; | |
680 | ||
681 | ret = ax_initial_check(dev); | |
682 | if (ret) | |
683 | goto err_out; | |
684 | ||
685 | /* setup goes here */ | |
686 | ||
687 | ax_initial_setup(dev, ei_local); | |
688 | ||
689 | /* read the mac from the card prom if we need it */ | |
690 | ||
1cbece33 | 691 | if (ax->plat->flags & AXFLG_HAS_EEPROM) { |
825a2ff1 BD |
692 | unsigned char SA_prom[32]; |
693 | ||
9f072429 | 694 | for (i = 0; i < sizeof(SA_prom); i += 2) { |
825a2ff1 | 695 | SA_prom[i] = ei_inb(ioaddr + NE_DATAPORT); |
9f072429 | 696 | SA_prom[i + 1] = ei_inb(ioaddr + NE_DATAPORT); |
825a2ff1 BD |
697 | } |
698 | ||
699 | if (ax->plat->wordlength == 2) | |
700 | for (i = 0; i < 16; i++) | |
701 | SA_prom[i] = SA_prom[i+i]; | |
702 | ||
9f072429 | 703 | memcpy(dev->dev_addr, SA_prom, 6); |
825a2ff1 BD |
704 | } |
705 | ||
89e536a1 | 706 | #ifdef CONFIG_AX88796_93CX6 |
1cbece33 | 707 | if (ax->plat->flags & AXFLG_HAS_93CX6) { |
89e536a1 MD |
708 | unsigned char mac_addr[6]; |
709 | struct eeprom_93cx6 eeprom; | |
710 | ||
711 | eeprom.data = ei_local; | |
712 | eeprom.register_read = ax_eeprom_register_read; | |
713 | eeprom.register_write = ax_eeprom_register_write; | |
714 | eeprom.width = PCI_EEPROM_WIDTH_93C56; | |
715 | ||
716 | eeprom_93cx6_multiread(&eeprom, 0, | |
717 | (__le16 __force *)mac_addr, | |
718 | sizeof(mac_addr) >> 1); | |
719 | ||
9f072429 | 720 | memcpy(dev->dev_addr, mac_addr, 6); |
89e536a1 MD |
721 | } |
722 | #endif | |
825a2ff1 BD |
723 | if (ax->plat->wordlength == 2) { |
724 | /* We must set the 8390 for word mode. */ | |
725 | ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG); | |
726 | start_page = NESM_START_PG; | |
727 | stop_page = NESM_STOP_PG; | |
728 | } else { | |
729 | start_page = NE1SM_START_PG; | |
730 | stop_page = NE1SM_STOP_PG; | |
731 | } | |
732 | ||
1cbece33 MKB |
733 | /* load the mac-address from the device */ |
734 | if (ax->plat->flags & AXFLG_MAC_FROMDEV) { | |
735 | ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, | |
736 | ei_local->mem + E8390_CMD); /* 0x61 */ | |
737 | for (i = 0; i < ETHER_ADDR_LEN; i++) | |
738 | dev->dev_addr[i] = | |
739 | ei_inb(ioaddr + EN1_PHYS_SHIFT(i)); | |
825a2ff1 BD |
740 | } |
741 | ||
1cbece33 MKB |
742 | if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) && |
743 | ax->plat->mac_addr) | |
744 | memcpy(dev->dev_addr, ax->plat->mac_addr, | |
745 | ETHER_ADDR_LEN); | |
746 | ||
825a2ff1 BD |
747 | ax_reset_8390(dev); |
748 | ||
ea5a43db MKB |
749 | ei_local->name = "AX88796"; |
750 | ei_local->tx_start_page = start_page; | |
751 | ei_local->stop_page = stop_page; | |
752 | ei_local->word16 = (ax->plat->wordlength == 2); | |
753 | ei_local->rx_start_page = start_page + TX_PAGES; | |
825a2ff1 BD |
754 | |
755 | #ifdef PACKETBUF_MEMSIZE | |
9f072429 | 756 | /* Allow the packet buffer size to be overridden by know-it-alls. */ |
ea5a43db | 757 | ei_local->stop_page = ei_local->tx_start_page + PACKETBUF_MEMSIZE; |
825a2ff1 BD |
758 | #endif |
759 | ||
ea5a43db MKB |
760 | ei_local->reset_8390 = &ax_reset_8390; |
761 | ei_local->block_input = &ax_block_input; | |
762 | ei_local->block_output = &ax_block_output; | |
763 | ei_local->get_8390_hdr = &ax_get_8390_hdr; | |
764 | ei_local->priv = 0; | |
825a2ff1 | 765 | |
9f072429 MKB |
766 | dev->netdev_ops = &ax_netdev_ops; |
767 | dev->ethtool_ops = &ax_ethtool_ops; | |
825a2ff1 BD |
768 | |
769 | ax->msg_enable = NETIF_MSG_LINK; | |
770 | ax->mii.phy_id_mask = 0x1f; | |
771 | ax->mii.reg_num_mask = 0x1f; | |
772 | ax->mii.phy_id = 0x10; /* onboard phy */ | |
773 | ax->mii.force_media = 0; | |
774 | ax->mii.full_duplex = 0; | |
775 | ax->mii.mdio_read = ax_phy_read; | |
776 | ax->mii.mdio_write = ax_phy_write; | |
777 | ax->mii.dev = dev; | |
778 | ||
825a2ff1 BD |
779 | ax_NS8390_init(dev, 0); |
780 | ||
825a2ff1 BD |
781 | ret = register_netdev(dev); |
782 | if (ret) | |
783 | goto out_irq; | |
784 | ||
85ac6162 MKB |
785 | netdev_info(dev, "%dbit, irq %d, %lx, MAC: %pM\n", |
786 | ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr, | |
787 | dev->dev_addr); | |
788 | ||
825a2ff1 BD |
789 | return 0; |
790 | ||
791 | out_irq: | |
792 | /* cleanup irq */ | |
793 | free_irq(dev->irq, dev); | |
794 | err_out: | |
795 | return ret; | |
796 | } | |
797 | ||
798 | static int ax_remove(struct platform_device *_dev) | |
799 | { | |
800 | struct net_device *dev = platform_get_drvdata(_dev); | |
ea5a43db | 801 | struct ei_device *ei_local = netdev_priv(dev); |
9f072429 | 802 | struct ax_device *ax; |
825a2ff1 BD |
803 | |
804 | ax = to_ax_dev(dev); | |
805 | ||
806 | unregister_netdev(dev); | |
807 | free_irq(dev->irq, dev); | |
808 | ||
ea5a43db | 809 | iounmap(ei_local->mem); |
825a2ff1 BD |
810 | release_resource(ax->mem); |
811 | kfree(ax->mem); | |
812 | ||
813 | if (ax->map2) { | |
814 | iounmap(ax->map2); | |
815 | release_resource(ax->mem2); | |
816 | kfree(ax->mem2); | |
817 | } | |
818 | ||
819 | free_netdev(dev); | |
820 | ||
821 | return 0; | |
822 | } | |
823 | ||
9f072429 MKB |
824 | /* |
825 | * ax_probe | |
825a2ff1 BD |
826 | * |
827 | * This is the entry point when the platform device system uses to | |
9f072429 MKB |
828 | * notify us of a new device to attach to. Allocate memory, find the |
829 | * resources and information passed, and map the necessary registers. | |
830 | */ | |
825a2ff1 BD |
831 | static int ax_probe(struct platform_device *pdev) |
832 | { | |
833 | struct net_device *dev; | |
ea5a43db | 834 | struct ei_device *ei_local; |
9f072429 MKB |
835 | struct ax_device *ax; |
836 | struct resource *res; | |
825a2ff1 | 837 | size_t size; |
47cb0355 | 838 | int ret = 0; |
825a2ff1 BD |
839 | |
840 | dev = ax__alloc_ei_netdev(sizeof(struct ax_device)); | |
841 | if (dev == NULL) | |
842 | return -ENOMEM; | |
843 | ||
844 | /* ok, let's setup our device */ | |
85ac6162 | 845 | SET_NETDEV_DEV(dev, &pdev->dev); |
ea5a43db | 846 | ei_local = netdev_priv(dev); |
825a2ff1 BD |
847 | ax = to_ax_dev(dev); |
848 | ||
825a2ff1 BD |
849 | spin_lock_init(&ax->mii_lock); |
850 | ||
851 | ax->dev = pdev; | |
852 | ax->plat = pdev->dev.platform_data; | |
853 | platform_set_drvdata(pdev, dev); | |
854 | ||
ea5a43db | 855 | ei_local->rxcr_base = ax->plat->rcr_val; |
825a2ff1 BD |
856 | |
857 | /* find the platform resources */ | |
47cb0355 DM |
858 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
859 | if (res == NULL) { | |
825a2ff1 | 860 | dev_err(&pdev->dev, "no IRQ specified\n"); |
13eea192 | 861 | ret = -ENXIO; |
825a2ff1 BD |
862 | goto exit_mem; |
863 | } | |
47cb0355 DM |
864 | |
865 | dev->irq = res->start; | |
866 | ax->irqflags = res->flags & IRQF_TRIGGER_MASK; | |
825a2ff1 BD |
867 | |
868 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
869 | if (res == NULL) { | |
870 | dev_err(&pdev->dev, "no MEM specified\n"); | |
871 | ret = -ENXIO; | |
872 | goto exit_mem; | |
873 | } | |
874 | ||
875 | size = (res->end - res->start) + 1; | |
876 | ||
9f072429 MKB |
877 | /* |
878 | * setup the register offsets from either the platform data or | |
879 | * by using the size of the resource provided | |
880 | */ | |
825a2ff1 | 881 | if (ax->plat->reg_offsets) |
ea5a43db | 882 | ei_local->reg_offset = ax->plat->reg_offsets; |
825a2ff1 | 883 | else { |
ea5a43db | 884 | ei_local->reg_offset = ax->reg_offsets; |
825a2ff1 BD |
885 | for (ret = 0; ret < 0x18; ret++) |
886 | ax->reg_offsets[ret] = (size / 0x18) * ret; | |
887 | } | |
888 | ||
889 | ax->mem = request_mem_region(res->start, size, pdev->name); | |
890 | if (ax->mem == NULL) { | |
891 | dev_err(&pdev->dev, "cannot reserve registers\n"); | |
9f072429 | 892 | ret = -ENXIO; |
825a2ff1 BD |
893 | goto exit_mem; |
894 | } | |
895 | ||
ea5a43db MKB |
896 | ei_local->mem = ioremap(res->start, size); |
897 | dev->base_addr = (unsigned long)ei_local->mem; | |
825a2ff1 | 898 | |
ea5a43db | 899 | if (ei_local->mem == NULL) { |
b4efe22c AM |
900 | dev_err(&pdev->dev, "Cannot ioremap area (%08llx,%08llx)\n", |
901 | (unsigned long long)res->start, | |
902 | (unsigned long long)res->end); | |
825a2ff1 | 903 | |
9f072429 | 904 | ret = -ENXIO; |
825a2ff1 BD |
905 | goto exit_req; |
906 | } | |
907 | ||
908 | /* look for reset area */ | |
909 | ||
910 | res = platform_get_resource(pdev, IORESOURCE_MEM, 1); | |
911 | if (res == NULL) { | |
912 | if (!ax->plat->reg_offsets) { | |
913 | for (ret = 0; ret < 0x20; ret++) | |
914 | ax->reg_offsets[ret] = (size / 0x20) * ret; | |
915 | } | |
916 | ||
917 | ax->map2 = NULL; | |
918 | } else { | |
9f072429 | 919 | size = (res->end - res->start) + 1; |
825a2ff1 BD |
920 | |
921 | ax->mem2 = request_mem_region(res->start, size, pdev->name); | |
bcf4d812 | 922 | if (ax->mem2 == NULL) { |
825a2ff1 BD |
923 | dev_err(&pdev->dev, "cannot reserve registers\n"); |
924 | ret = -ENXIO; | |
925 | goto exit_mem1; | |
926 | } | |
927 | ||
928 | ax->map2 = ioremap(res->start, size); | |
929 | if (ax->map2 == NULL) { | |
898eb71c | 930 | dev_err(&pdev->dev, "cannot map reset register\n"); |
825a2ff1 BD |
931 | ret = -ENXIO; |
932 | goto exit_mem2; | |
933 | } | |
934 | ||
ea5a43db | 935 | ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem; |
825a2ff1 BD |
936 | } |
937 | ||
938 | /* got resources, now initialise and register device */ | |
939 | ||
1cbece33 | 940 | ret = ax_init_dev(dev); |
825a2ff1 BD |
941 | if (!ret) |
942 | return 0; | |
943 | ||
944 | if (ax->map2 == NULL) | |
945 | goto exit_mem1; | |
946 | ||
947 | iounmap(ax->map2); | |
948 | ||
949 | exit_mem2: | |
950 | release_resource(ax->mem2); | |
951 | kfree(ax->mem2); | |
952 | ||
953 | exit_mem1: | |
ea5a43db | 954 | iounmap(ei_local->mem); |
825a2ff1 BD |
955 | |
956 | exit_req: | |
957 | release_resource(ax->mem); | |
958 | kfree(ax->mem); | |
959 | ||
960 | exit_mem: | |
961 | free_netdev(dev); | |
962 | ||
963 | return ret; | |
964 | } | |
965 | ||
966 | /* suspend and resume */ | |
967 | ||
968 | #ifdef CONFIG_PM | |
969 | static int ax_suspend(struct platform_device *dev, pm_message_t state) | |
970 | { | |
971 | struct net_device *ndev = platform_get_drvdata(dev); | |
9f072429 | 972 | struct ax_device *ax = to_ax_dev(ndev); |
825a2ff1 BD |
973 | |
974 | ax->resume_open = ax->running; | |
975 | ||
976 | netif_device_detach(ndev); | |
977 | ax_close(ndev); | |
978 | ||
979 | return 0; | |
980 | } | |
981 | ||
982 | static int ax_resume(struct platform_device *pdev) | |
983 | { | |
984 | struct net_device *ndev = platform_get_drvdata(pdev); | |
9f072429 | 985 | struct ax_device *ax = to_ax_dev(ndev); |
825a2ff1 BD |
986 | |
987 | ax_initial_setup(ndev, netdev_priv(ndev)); | |
988 | ax_NS8390_init(ndev, ax->resume_open); | |
989 | netif_device_attach(ndev); | |
990 | ||
991 | if (ax->resume_open) | |
992 | ax_open(ndev); | |
993 | ||
994 | return 0; | |
995 | } | |
996 | ||
997 | #else | |
998 | #define ax_suspend NULL | |
9f072429 | 999 | #define ax_resume NULL |
825a2ff1 BD |
1000 | #endif |
1001 | ||
1002 | static struct platform_driver axdrv = { | |
1003 | .driver = { | |
1004 | .name = "ax88796", | |
1005 | .owner = THIS_MODULE, | |
1006 | }, | |
1007 | .probe = ax_probe, | |
1008 | .remove = ax_remove, | |
1009 | .suspend = ax_suspend, | |
1010 | .resume = ax_resume, | |
1011 | }; | |
1012 | ||
1013 | static int __init axdrv_init(void) | |
1014 | { | |
1015 | return platform_driver_register(&axdrv); | |
1016 | } | |
1017 | ||
1018 | static void __exit axdrv_exit(void) | |
1019 | { | |
1020 | platform_driver_unregister(&axdrv); | |
1021 | } | |
1022 | ||
1023 | module_init(axdrv_init); | |
1024 | module_exit(axdrv_exit); | |
1025 | ||
1026 | MODULE_DESCRIPTION("AX88796 10/100 Ethernet platform driver"); | |
1027 | MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); | |
1028 | MODULE_LICENSE("GPL v2"); | |
72abb461 | 1029 | MODULE_ALIAS("platform:ax88796"); |