Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * | |
3 | * Alchemy Semi Au1000 pcmcia driver | |
4 | * | |
5 | * Copyright 2001-2003 MontaVista Software Inc. | |
6 | * Author: MontaVista Software, Inc. | |
7 | * ppopov@embeddedalley.com or source@mvista.com | |
8 | * | |
9 | * Copyright 2004 Pete Popov, Embedded Alley Solutions, Inc. | |
10 | * Updated the driver to 2.6. Followed the sa11xx API and largely | |
11 | * copied many of the hardware independent functions. | |
12 | * | |
13 | * ######################################################################## | |
14 | * | |
15 | * This program is free software; you can distribute it and/or modify it | |
16 | * under the terms of the GNU General Public License (Version 2) as | |
17 | * published by the Free Software Foundation. | |
18 | * | |
19 | * This program is distributed in the hope it will be useful, but WITHOUT | |
20 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
21 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
22 | * for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License along | |
25 | * with this program; if not, write to the Free Software Foundation, Inc., | |
26 | * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
27 | * | |
28 | * ######################################################################## | |
29 | * | |
30 | * | |
31 | */ | |
32 | ||
33 | #include <linux/module.h> | |
34 | #include <linux/moduleparam.h> | |
35 | #include <linux/init.h> | |
1da177e4 LT |
36 | #include <linux/cpufreq.h> |
37 | #include <linux/ioport.h> | |
38 | #include <linux/kernel.h> | |
39 | #include <linux/timer.h> | |
40 | #include <linux/mm.h> | |
41 | #include <linux/notifier.h> | |
42 | #include <linux/interrupt.h> | |
43 | #include <linux/spinlock.h> | |
12d1e75d | 44 | #include <linux/mutex.h> |
d052d1be | 45 | #include <linux/platform_device.h> |
1da177e4 LT |
46 | |
47 | #include <asm/io.h> | |
48 | #include <asm/irq.h> | |
49 | #include <asm/system.h> | |
50 | ||
51 | #include <asm/mach-au1x00/au1000.h> | |
52 | #include "au1000_generic.h" | |
53 | ||
54 | MODULE_LICENSE("GPL"); | |
55 | MODULE_AUTHOR("Pete Popov <ppopov@embeddedalley.com>"); | |
56 | MODULE_DESCRIPTION("Linux PCMCIA Card Services: Au1x00 Socket Controller"); | |
57 | ||
58 | #if 0 | |
59 | #define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args) | |
60 | #else | |
61 | #define debug(x,args...) | |
62 | #endif | |
63 | ||
64 | #define MAP_SIZE 0x100000 | |
65 | extern struct au1000_pcmcia_socket au1000_pcmcia_socket[]; | |
66 | #define PCMCIA_SOCKET(x) (au1000_pcmcia_socket + (x)) | |
67 | #define to_au1000_socket(x) container_of(x, struct au1000_pcmcia_socket, socket) | |
68 | ||
69 | /* Some boards like to support CF cards as IDE root devices, so they | |
70 | * grab pcmcia sockets directly. | |
71 | */ | |
72 | u32 *pcmcia_base_vaddrs[2]; | |
73 | extern const unsigned long mips_io_port_base; | |
74 | ||
12d1e75d | 75 | static DEFINE_MUTEX(pcmcia_sockets_lock); |
1da177e4 LT |
76 | |
77 | static int (*au1x00_pcmcia_hw_init[])(struct device *dev) = { | |
78 | au1x_board_init, | |
79 | }; | |
80 | ||
81 | static int | |
82 | au1x00_pcmcia_skt_state(struct au1000_pcmcia_socket *skt) | |
83 | { | |
84 | struct pcmcia_state state; | |
85 | unsigned int stat; | |
86 | ||
87 | memset(&state, 0, sizeof(struct pcmcia_state)); | |
88 | ||
89 | skt->ops->socket_state(skt, &state); | |
90 | ||
91 | stat = state.detect ? SS_DETECT : 0; | |
92 | stat |= state.ready ? SS_READY : 0; | |
93 | stat |= state.wrprot ? SS_WRPROT : 0; | |
94 | stat |= state.vs_3v ? SS_3VCARD : 0; | |
95 | stat |= state.vs_Xv ? SS_XVCARD : 0; | |
96 | stat |= skt->cs_state.Vcc ? SS_POWERON : 0; | |
97 | ||
98 | if (skt->cs_state.flags & SS_IOCARD) | |
99 | stat |= state.bvd1 ? SS_STSCHG : 0; | |
100 | else { | |
101 | if (state.bvd1 == 0) | |
102 | stat |= SS_BATDEAD; | |
103 | else if (state.bvd2 == 0) | |
104 | stat |= SS_BATWARN; | |
105 | } | |
106 | return stat; | |
107 | } | |
108 | ||
109 | /* | |
110 | * au100_pcmcia_config_skt | |
111 | * | |
112 | * Convert PCMCIA socket state to our socket configure structure. | |
113 | */ | |
114 | static int | |
115 | au1x00_pcmcia_config_skt(struct au1000_pcmcia_socket *skt, socket_state_t *state) | |
116 | { | |
117 | int ret; | |
118 | ||
119 | ret = skt->ops->configure_socket(skt, state); | |
120 | if (ret == 0) { | |
121 | skt->cs_state = *state; | |
122 | } | |
123 | ||
124 | if (ret < 0) | |
125 | debug("unable to configure socket %d\n", skt->nr); | |
126 | ||
127 | return ret; | |
128 | } | |
129 | ||
130 | /* au1x00_pcmcia_sock_init() | |
131 | * | |
132 | * (Re-)Initialise the socket, turning on status interrupts | |
133 | * and PCMCIA bus. This must wait for power to stabilise | |
134 | * so that the card status signals report correctly. | |
135 | * | |
136 | * Returns: 0 | |
137 | */ | |
138 | static int au1x00_pcmcia_sock_init(struct pcmcia_socket *sock) | |
139 | { | |
140 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
141 | ||
142 | debug("initializing socket %u\n", skt->nr); | |
143 | ||
144 | skt->ops->socket_init(skt); | |
145 | return 0; | |
146 | } | |
147 | ||
148 | /* | |
149 | * au1x00_pcmcia_suspend() | |
150 | * | |
151 | * Remove power on the socket, disable IRQs from the card. | |
152 | * Turn off status interrupts, and disable the PCMCIA bus. | |
153 | * | |
154 | * Returns: 0 | |
155 | */ | |
156 | static int au1x00_pcmcia_suspend(struct pcmcia_socket *sock) | |
157 | { | |
158 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
159 | ||
160 | debug("suspending socket %u\n", skt->nr); | |
161 | ||
162 | skt->ops->socket_suspend(skt); | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | static DEFINE_SPINLOCK(status_lock); | |
168 | ||
169 | /* | |
170 | * au1x00_check_status() | |
171 | */ | |
172 | static void au1x00_check_status(struct au1000_pcmcia_socket *skt) | |
173 | { | |
174 | unsigned int events; | |
175 | ||
176 | debug("entering PCMCIA monitoring thread\n"); | |
177 | ||
178 | do { | |
179 | unsigned int status; | |
180 | unsigned long flags; | |
181 | ||
182 | status = au1x00_pcmcia_skt_state(skt); | |
183 | ||
184 | spin_lock_irqsave(&status_lock, flags); | |
185 | events = (status ^ skt->status) & skt->cs_state.csc_mask; | |
186 | skt->status = status; | |
187 | spin_unlock_irqrestore(&status_lock, flags); | |
188 | ||
189 | debug("events: %s%s%s%s%s%s\n", | |
190 | events == 0 ? "<NONE>" : "", | |
191 | events & SS_DETECT ? "DETECT " : "", | |
192 | events & SS_READY ? "READY " : "", | |
193 | events & SS_BATDEAD ? "BATDEAD " : "", | |
194 | events & SS_BATWARN ? "BATWARN " : "", | |
195 | events & SS_STSCHG ? "STSCHG " : ""); | |
196 | ||
197 | if (events) | |
198 | pcmcia_parse_events(&skt->socket, events); | |
199 | } while (events); | |
200 | } | |
201 | ||
202 | /* | |
203 | * au1x00_pcmcia_poll_event() | |
204 | * Let's poll for events in addition to IRQs since IRQ only is unreliable... | |
205 | */ | |
206 | static void au1x00_pcmcia_poll_event(unsigned long dummy) | |
207 | { | |
208 | struct au1000_pcmcia_socket *skt = (struct au1000_pcmcia_socket *)dummy; | |
209 | debug("polling for events\n"); | |
210 | ||
211 | mod_timer(&skt->poll_timer, jiffies + AU1000_PCMCIA_POLL_PERIOD); | |
212 | ||
213 | au1x00_check_status(skt); | |
214 | } | |
215 | ||
216 | /* au1x00_pcmcia_get_status() | |
217 | * | |
218 | * From the sa11xx_core.c: | |
219 | * Implements the get_status() operation for the in-kernel PCMCIA | |
220 | * service (formerly SS_GetStatus in Card Services). Essentially just | |
221 | * fills in bits in `status' according to internal driver state or | |
222 | * the value of the voltage detect chipselect register. | |
223 | * | |
224 | * As a debugging note, during card startup, the PCMCIA core issues | |
225 | * three set_socket() commands in a row the first with RESET deasserted, | |
226 | * the second with RESET asserted, and the last with RESET deasserted | |
227 | * again. Following the third set_socket(), a get_status() command will | |
228 | * be issued. The kernel is looking for the SS_READY flag (see | |
229 | * setup_socket(), reset_socket(), and unreset_socket() in cs.c). | |
230 | * | |
231 | * Returns: 0 | |
232 | */ | |
233 | static int | |
234 | au1x00_pcmcia_get_status(struct pcmcia_socket *sock, unsigned int *status) | |
235 | { | |
236 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
237 | ||
238 | skt->status = au1x00_pcmcia_skt_state(skt); | |
239 | *status = skt->status; | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
1da177e4 LT |
244 | /* au1x00_pcmcia_set_socket() |
245 | * Implements the set_socket() operation for the in-kernel PCMCIA | |
246 | * service (formerly SS_SetSocket in Card Services). We more or | |
247 | * less punt all of this work and let the kernel handle the details | |
248 | * of power configuration, reset, &c. We also record the value of | |
249 | * `state' in order to regurgitate it to the PCMCIA core later. | |
250 | * | |
251 | * Returns: 0 | |
252 | */ | |
253 | static int | |
254 | au1x00_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state) | |
255 | { | |
256 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
257 | ||
258 | debug("for sock %u\n", skt->nr); | |
259 | ||
260 | debug("\tmask: %s%s%s%s%s%s\n\tflags: %s%s%s%s%s%s\n", | |
261 | (state->csc_mask==0)?"<NONE>":"", | |
262 | (state->csc_mask&SS_DETECT)?"DETECT ":"", | |
263 | (state->csc_mask&SS_READY)?"READY ":"", | |
264 | (state->csc_mask&SS_BATDEAD)?"BATDEAD ":"", | |
265 | (state->csc_mask&SS_BATWARN)?"BATWARN ":"", | |
266 | (state->csc_mask&SS_STSCHG)?"STSCHG ":"", | |
267 | (state->flags==0)?"<NONE>":"", | |
268 | (state->flags&SS_PWR_AUTO)?"PWR_AUTO ":"", | |
269 | (state->flags&SS_IOCARD)?"IOCARD ":"", | |
270 | (state->flags&SS_RESET)?"RESET ":"", | |
271 | (state->flags&SS_SPKR_ENA)?"SPKR_ENA ":"", | |
272 | (state->flags&SS_OUTPUT_ENA)?"OUTPUT_ENA ":""); | |
273 | debug("\tVcc %d Vpp %d irq %d\n", | |
274 | state->Vcc, state->Vpp, state->io_irq); | |
275 | ||
276 | return au1x00_pcmcia_config_skt(skt, state); | |
277 | } | |
278 | ||
279 | int | |
280 | au1x00_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *map) | |
281 | { | |
282 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
283 | unsigned int speed; | |
284 | ||
285 | if(map->map>=MAX_IO_WIN){ | |
286 | debug("map (%d) out of range\n", map->map); | |
287 | return -1; | |
288 | } | |
289 | ||
290 | if(map->flags&MAP_ACTIVE){ | |
291 | speed=(map->speed>0)?map->speed:AU1000_PCMCIA_IO_SPEED; | |
292 | skt->spd_io[map->map] = speed; | |
293 | } | |
294 | ||
d39bd564 | 295 | map->start=(unsigned int)(u32)skt->virt_io; |
1da177e4 LT |
296 | map->stop=map->start+MAP_SIZE; |
297 | return 0; | |
298 | ||
299 | } /* au1x00_pcmcia_set_io_map() */ | |
300 | ||
301 | ||
302 | static int | |
303 | au1x00_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map) | |
304 | { | |
305 | struct au1000_pcmcia_socket *skt = to_au1000_socket(sock); | |
306 | unsigned short speed = map->speed; | |
307 | ||
308 | if(map->map>=MAX_WIN){ | |
309 | debug("map (%d) out of range\n", map->map); | |
310 | return -1; | |
311 | } | |
312 | ||
313 | if (map->flags & MAP_ATTRIB) { | |
314 | skt->spd_attr[map->map] = speed; | |
315 | skt->spd_mem[map->map] = 0; | |
316 | } else { | |
317 | skt->spd_attr[map->map] = 0; | |
318 | skt->spd_mem[map->map] = speed; | |
319 | } | |
320 | ||
321 | if (map->flags & MAP_ATTRIB) { | |
322 | map->static_start = skt->phys_attr + map->card_start; | |
323 | } | |
324 | else { | |
325 | map->static_start = skt->phys_mem + map->card_start; | |
326 | } | |
327 | ||
328 | debug("set_mem_map %d start %08lx card_start %08x\n", | |
329 | map->map, map->static_start, map->card_start); | |
330 | return 0; | |
331 | ||
332 | } /* au1x00_pcmcia_set_mem_map() */ | |
333 | ||
334 | static struct pccard_operations au1x00_pcmcia_operations = { | |
335 | .init = au1x00_pcmcia_sock_init, | |
336 | .suspend = au1x00_pcmcia_suspend, | |
337 | .get_status = au1x00_pcmcia_get_status, | |
1da177e4 LT |
338 | .set_socket = au1x00_pcmcia_set_socket, |
339 | .set_io_map = au1x00_pcmcia_set_io_map, | |
340 | .set_mem_map = au1x00_pcmcia_set_mem_map, | |
341 | }; | |
342 | ||
343 | static const char *skt_names[] = { | |
344 | "PCMCIA socket 0", | |
345 | "PCMCIA socket 1", | |
346 | }; | |
347 | ||
348 | struct skt_dev_info { | |
349 | int nskt; | |
350 | }; | |
351 | ||
352 | int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr) | |
353 | { | |
354 | struct skt_dev_info *sinfo; | |
a230a678 | 355 | struct au1000_pcmcia_socket *skt; |
1da177e4 LT |
356 | int ret, i; |
357 | ||
8084b372 | 358 | sinfo = kzalloc(sizeof(struct skt_dev_info), GFP_KERNEL); |
1da177e4 LT |
359 | if (!sinfo) { |
360 | ret = -ENOMEM; | |
361 | goto out; | |
362 | } | |
363 | ||
1da177e4 LT |
364 | sinfo->nskt = nr; |
365 | ||
366 | /* | |
367 | * Initialise the per-socket structure. | |
368 | */ | |
369 | for (i = 0; i < nr; i++) { | |
a230a678 | 370 | skt = PCMCIA_SOCKET(i); |
1da177e4 LT |
371 | memset(skt, 0, sizeof(*skt)); |
372 | ||
dc33a4a3 | 373 | skt->socket.resource_ops = &pccard_static_ops; |
1da177e4 LT |
374 | skt->socket.ops = &au1x00_pcmcia_operations; |
375 | skt->socket.owner = ops->owner; | |
88f45005 | 376 | skt->socket.dev.parent = dev; |
1da177e4 LT |
377 | |
378 | init_timer(&skt->poll_timer); | |
379 | skt->poll_timer.function = au1x00_pcmcia_poll_event; | |
380 | skt->poll_timer.data = (unsigned long)skt; | |
381 | skt->poll_timer.expires = jiffies + AU1000_PCMCIA_POLL_PERIOD; | |
382 | ||
383 | skt->nr = first + i; | |
384 | skt->irq = 255; | |
385 | skt->dev = dev; | |
386 | skt->ops = ops; | |
387 | ||
388 | skt->res_skt.name = skt_names[skt->nr]; | |
389 | skt->res_io.name = "io"; | |
390 | skt->res_io.flags = IORESOURCE_MEM | IORESOURCE_BUSY; | |
391 | skt->res_mem.name = "memory"; | |
392 | skt->res_mem.flags = IORESOURCE_MEM; | |
393 | skt->res_attr.name = "attribute"; | |
394 | skt->res_attr.flags = IORESOURCE_MEM; | |
395 | ||
396 | /* | |
397 | * PCMCIA client drivers use the inb/outb macros to access the | |
398 | * IO registers. Since mips_io_port_base is added to the | |
399 | * access address of the mips implementation of inb/outb, | |
400 | * we need to subtract it here because we want to access the | |
401 | * I/O or MEM address directly, without going through this | |
402 | * "mips_io_port_base" mechanism. | |
403 | */ | |
404 | if (i == 0) { | |
405 | skt->virt_io = (void *) | |
406 | (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) - | |
407 | (u32)mips_io_port_base); | |
408 | skt->phys_attr = AU1X_SOCK0_PSEUDO_PHYS_ATTR; | |
409 | skt->phys_mem = AU1X_SOCK0_PSEUDO_PHYS_MEM; | |
410 | } | |
411 | #ifndef CONFIG_MIPS_XXS1500 | |
412 | else { | |
413 | skt->virt_io = (void *) | |
414 | (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) - | |
415 | (u32)mips_io_port_base); | |
416 | skt->phys_attr = AU1X_SOCK1_PSEUDO_PHYS_ATTR; | |
417 | skt->phys_mem = AU1X_SOCK1_PSEUDO_PHYS_MEM; | |
418 | } | |
419 | #endif | |
420 | pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io; | |
421 | ret = ops->hw_init(skt); | |
422 | ||
423 | skt->socket.features = SS_CAP_STATIC_MAP|SS_CAP_PCCARD; | |
424 | skt->socket.irq_mask = 0; | |
425 | skt->socket.map_size = MAP_SIZE; | |
426 | skt->socket.pci_irq = skt->irq; | |
427 | skt->socket.io_offset = (unsigned long)skt->virt_io; | |
428 | ||
429 | skt->status = au1x00_pcmcia_skt_state(skt); | |
430 | ||
431 | ret = pcmcia_register_socket(&skt->socket); | |
432 | if (ret) | |
433 | goto out_err; | |
434 | ||
435 | WARN_ON(skt->socket.sock != i); | |
436 | ||
437 | add_timer(&skt->poll_timer); | |
438 | } | |
439 | ||
440 | dev_set_drvdata(dev, sinfo); | |
441 | return 0; | |
442 | ||
a230a678 ON |
443 | |
444 | out_err: | |
445 | flush_scheduled_work(); | |
446 | ops->hw_shutdown(skt); | |
447 | while (i-- > 0) { | |
448 | skt = PCMCIA_SOCKET(i); | |
1da177e4 LT |
449 | |
450 | del_timer_sync(&skt->poll_timer); | |
451 | pcmcia_unregister_socket(&skt->socket); | |
1da177e4 | 452 | flush_scheduled_work(); |
3efa9970 AL |
453 | if (i == 0) { |
454 | iounmap(skt->virt_io + (u32)mips_io_port_base); | |
455 | skt->virt_io = NULL; | |
456 | } | |
457 | #ifndef CONFIG_MIPS_XXS1500 | |
458 | else { | |
459 | iounmap(skt->virt_io + (u32)mips_io_port_base); | |
460 | skt->virt_io = NULL; | |
461 | } | |
462 | #endif | |
1da177e4 LT |
463 | ops->hw_shutdown(skt); |
464 | ||
a230a678 | 465 | } |
1da177e4 LT |
466 | kfree(sinfo); |
467 | out: | |
468 | return ret; | |
469 | } | |
470 | ||
7a192ec3 | 471 | int au1x00_drv_pcmcia_remove(struct platform_device *dev) |
1da177e4 | 472 | { |
7a192ec3 | 473 | struct skt_dev_info *sinfo = platform_get_drvdata(dev); |
1da177e4 LT |
474 | int i; |
475 | ||
12d1e75d | 476 | mutex_lock(&pcmcia_sockets_lock); |
7a192ec3 | 477 | platform_set_drvdata(dev, NULL); |
1da177e4 LT |
478 | |
479 | for (i = 0; i < sinfo->nskt; i++) { | |
480 | struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i); | |
481 | ||
482 | del_timer_sync(&skt->poll_timer); | |
483 | pcmcia_unregister_socket(&skt->socket); | |
484 | flush_scheduled_work(); | |
485 | skt->ops->hw_shutdown(skt); | |
486 | au1x00_pcmcia_config_skt(skt, &dead_socket); | |
efe29c0f | 487 | iounmap(skt->virt_io + (u32)mips_io_port_base); |
1da177e4 LT |
488 | skt->virt_io = NULL; |
489 | } | |
490 | ||
491 | kfree(sinfo); | |
12d1e75d | 492 | mutex_unlock(&pcmcia_sockets_lock); |
1da177e4 LT |
493 | return 0; |
494 | } | |
495 | ||
496 | ||
497 | /* | |
498 | * PCMCIA "Driver" API | |
499 | */ | |
500 | ||
7a192ec3 | 501 | static int au1x00_drv_pcmcia_probe(struct platform_device *dev) |
1da177e4 LT |
502 | { |
503 | int i, ret = -ENODEV; | |
504 | ||
12d1e75d | 505 | mutex_lock(&pcmcia_sockets_lock); |
1da177e4 | 506 | for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) { |
7a192ec3 | 507 | ret = au1x00_pcmcia_hw_init[i](&dev->dev); |
1da177e4 LT |
508 | if (ret == 0) |
509 | break; | |
510 | } | |
12d1e75d | 511 | mutex_unlock(&pcmcia_sockets_lock); |
1da177e4 LT |
512 | return ret; |
513 | } | |
514 | ||
7a192ec3 ML |
515 | static int au1x00_drv_pcmcia_suspend(struct platform_device *dev, |
516 | pm_message_t state) | |
517 | { | |
518 | return pcmcia_socket_dev_suspend(&dev->dev, state); | |
519 | } | |
520 | ||
521 | static int au1x00_drv_pcmcia_resume(struct platform_device *dev) | |
522 | { | |
523 | return pcmcia_socket_dev_resume(&dev->dev); | |
524 | } | |
1da177e4 | 525 | |
7a192ec3 ML |
526 | static struct platform_driver au1x00_pcmcia_driver = { |
527 | .driver = { | |
528 | .name = "au1x00-pcmcia", | |
529 | .owner = THIS_MODULE, | |
530 | }, | |
1da177e4 LT |
531 | .probe = au1x00_drv_pcmcia_probe, |
532 | .remove = au1x00_drv_pcmcia_remove, | |
7a192ec3 ML |
533 | .suspend = au1x00_drv_pcmcia_suspend, |
534 | .resume = au1x00_drv_pcmcia_resume, | |
1da177e4 LT |
535 | }; |
536 | ||
1da177e4 LT |
537 | |
538 | /* au1x00_pcmcia_init() | |
539 | * | |
540 | * This routine performs low-level PCMCIA initialization and then | |
541 | * registers this socket driver with Card Services. | |
542 | * | |
543 | * Returns: 0 on success, -ve error code on failure | |
544 | */ | |
545 | static int __init au1x00_pcmcia_init(void) | |
546 | { | |
547 | int error = 0; | |
7a192ec3 | 548 | error = platform_driver_register(&au1x00_pcmcia_driver); |
1da177e4 LT |
549 | return error; |
550 | } | |
551 | ||
552 | /* au1x00_pcmcia_exit() | |
553 | * Invokes the low-level kernel service to free IRQs associated with this | |
554 | * socket controller and reset GPIO edge detection. | |
555 | */ | |
556 | static void __exit au1x00_pcmcia_exit(void) | |
557 | { | |
7a192ec3 | 558 | platform_driver_unregister(&au1x00_pcmcia_driver); |
1da177e4 LT |
559 | } |
560 | ||
561 | module_init(au1x00_pcmcia_init); | |
562 | module_exit(au1x00_pcmcia_exit); |