Commit | Line | Data |
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66213b3c ML |
1 | /* |
2 | * PCMCIA socket code for the Alchemy Db1xxx/Pb1xxx boards. | |
3 | * | |
4 | * Copyright (c) 2009 Manuel Lauss <manuel.lauss@gmail.com> | |
5 | * | |
6 | */ | |
7 | ||
8 | /* This is a fairly generic PCMCIA socket driver suitable for the | |
9 | * following Alchemy Development boards: | |
64cd04d0 | 10 | * Db1000, Db/Pb1500, Db/Pb1100, Db/Pb1550, Db/Pb1200, Db1300 |
66213b3c ML |
11 | * |
12 | * The Db1000 is used as a reference: Per-socket card-, carddetect- and | |
13 | * statuschange IRQs connected to SoC GPIOs, control and status register | |
14 | * bits arranged in per-socket groups in an external PLD. All boards | |
15 | * listed here use this layout, including bit positions and meanings. | |
16 | * Of course there are exceptions in later boards: | |
17 | * | |
18 | * - Pb1100/Pb1500: single socket only; voltage key bits VS are | |
19 | * at STATUS[5:4] (instead of STATUS[1:0]). | |
20 | * - Au1200-based: additional card-eject irqs, irqs not gpios! | |
64cd04d0 | 21 | * - Db1300: Db1200-like, no pwr ctrl, single socket (#1). |
66213b3c ML |
22 | */ |
23 | ||
24 | #include <linux/delay.h> | |
25 | #include <linux/gpio.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/pm.h> | |
3bf8d64d | 28 | #include <linux/module.h> |
66213b3c ML |
29 | #include <linux/platform_device.h> |
30 | #include <linux/resource.h> | |
5a0e3ad6 | 31 | #include <linux/slab.h> |
66213b3c ML |
32 | #include <linux/spinlock.h> |
33 | ||
66213b3c ML |
34 | #include <pcmcia/ss.h> |
35 | ||
36 | #include <asm/mach-au1x00/au1000.h> | |
37 | #include <asm/mach-db1x00/bcsr.h> | |
38 | ||
39 | #define MEM_MAP_SIZE 0x400000 | |
40 | #define IO_MAP_SIZE 0x1000 | |
41 | ||
42 | struct db1x_pcmcia_sock { | |
43 | struct pcmcia_socket socket; | |
44 | int nr; /* socket number */ | |
45 | void *virt_io; | |
46 | ||
11b897cf ML |
47 | phys_addr_t phys_io; |
48 | phys_addr_t phys_attr; | |
49 | phys_addr_t phys_mem; | |
66213b3c ML |
50 | |
51 | /* previous flags for set_socket() */ | |
52 | unsigned int old_flags; | |
53 | ||
54 | /* interrupt sources: linux irq numbers! */ | |
55 | int insert_irq; /* default carddetect irq */ | |
56 | int stschg_irq; /* card-status-change irq */ | |
57 | int card_irq; /* card irq */ | |
58 | int eject_irq; /* db1200/pb1200 have these */ | |
e34b6fcf | 59 | int insert_gpio; /* db1000 carddetect gpio */ |
66213b3c ML |
60 | |
61 | #define BOARD_TYPE_DEFAULT 0 /* most boards */ | |
62 | #define BOARD_TYPE_DB1200 1 /* IRQs aren't gpios */ | |
63 | #define BOARD_TYPE_PB1100 2 /* VS bits slightly different */ | |
64cd04d0 | 64 | #define BOARD_TYPE_DB1300 3 /* no power control */ |
66213b3c ML |
65 | int board_type; |
66 | }; | |
67 | ||
68 | #define to_db1x_socket(x) container_of(x, struct db1x_pcmcia_sock, socket) | |
69 | ||
64cd04d0 ML |
70 | static int db1300_card_inserted(struct db1x_pcmcia_sock *sock) |
71 | { | |
72 | return bcsr_read(BCSR_SIGSTAT) & (1 << 8); | |
73 | } | |
74 | ||
66213b3c ML |
75 | /* DB/PB1200: check CPLD SIGSTATUS register bit 10/12 */ |
76 | static int db1200_card_inserted(struct db1x_pcmcia_sock *sock) | |
77 | { | |
78 | unsigned short sigstat; | |
79 | ||
80 | sigstat = bcsr_read(BCSR_SIGSTAT); | |
81 | return sigstat & 1 << (8 + 2 * sock->nr); | |
82 | } | |
83 | ||
84 | /* carddetect gpio: low-active */ | |
85 | static int db1000_card_inserted(struct db1x_pcmcia_sock *sock) | |
86 | { | |
e34b6fcf | 87 | return !gpio_get_value(sock->insert_gpio); |
66213b3c ML |
88 | } |
89 | ||
90 | static int db1x_card_inserted(struct db1x_pcmcia_sock *sock) | |
91 | { | |
92 | switch (sock->board_type) { | |
93 | case BOARD_TYPE_DB1200: | |
94 | return db1200_card_inserted(sock); | |
64cd04d0 ML |
95 | case BOARD_TYPE_DB1300: |
96 | return db1300_card_inserted(sock); | |
66213b3c ML |
97 | default: |
98 | return db1000_card_inserted(sock); | |
99 | } | |
100 | } | |
101 | ||
102 | /* STSCHG tends to bounce heavily when cards are inserted/ejected. | |
103 | * To avoid this, the interrupt is normally disabled and only enabled | |
104 | * after reset to a card has been de-asserted. | |
105 | */ | |
106 | static inline void set_stschg(struct db1x_pcmcia_sock *sock, int en) | |
107 | { | |
108 | if (sock->stschg_irq != -1) { | |
109 | if (en) | |
110 | enable_irq(sock->stschg_irq); | |
111 | else | |
112 | disable_irq(sock->stschg_irq); | |
113 | } | |
114 | } | |
115 | ||
116 | static irqreturn_t db1000_pcmcia_cdirq(int irq, void *data) | |
117 | { | |
118 | struct db1x_pcmcia_sock *sock = data; | |
119 | ||
120 | pcmcia_parse_events(&sock->socket, SS_DETECT); | |
121 | ||
122 | return IRQ_HANDLED; | |
123 | } | |
124 | ||
125 | static irqreturn_t db1000_pcmcia_stschgirq(int irq, void *data) | |
126 | { | |
127 | struct db1x_pcmcia_sock *sock = data; | |
128 | ||
129 | pcmcia_parse_events(&sock->socket, SS_STSCHG); | |
130 | ||
131 | return IRQ_HANDLED; | |
132 | } | |
133 | ||
cc10815e ML |
134 | /* Db/Pb1200 have separate per-socket insertion and ejection |
135 | * interrupts which stay asserted as long as the card is | |
136 | * inserted/missing. The one which caused us to be called | |
137 | * needs to be disabled and the other one enabled. | |
138 | */ | |
66213b3c | 139 | static irqreturn_t db1200_pcmcia_cdirq(int irq, void *data) |
cc10815e ML |
140 | { |
141 | disable_irq_nosync(irq); | |
142 | return IRQ_WAKE_THREAD; | |
143 | } | |
144 | ||
145 | static irqreturn_t db1200_pcmcia_cdirq_fn(int irq, void *data) | |
66213b3c ML |
146 | { |
147 | struct db1x_pcmcia_sock *sock = data; | |
148 | ||
cc10815e ML |
149 | /* Wait a bit for the signals to stop bouncing. */ |
150 | msleep(100); | |
151 | if (irq == sock->insert_irq) | |
66213b3c | 152 | enable_irq(sock->eject_irq); |
cc10815e | 153 | else |
66213b3c | 154 | enable_irq(sock->insert_irq); |
66213b3c ML |
155 | |
156 | pcmcia_parse_events(&sock->socket, SS_DETECT); | |
157 | ||
158 | return IRQ_HANDLED; | |
159 | } | |
160 | ||
161 | static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock) | |
162 | { | |
163 | int ret; | |
66213b3c ML |
164 | |
165 | if (sock->stschg_irq != -1) { | |
166 | ret = request_irq(sock->stschg_irq, db1000_pcmcia_stschgirq, | |
167 | 0, "pcmcia_stschg", sock); | |
168 | if (ret) | |
169 | return ret; | |
170 | } | |
171 | ||
172 | /* Db/Pb1200 have separate per-socket insertion and ejection | |
173 | * interrupts, which should show edge behaviour but don't. | |
174 | * So interrupts are disabled until both insertion and | |
175 | * ejection handler have been registered and the currently | |
176 | * active one disabled. | |
177 | */ | |
64cd04d0 ML |
178 | if ((sock->board_type == BOARD_TYPE_DB1200) || |
179 | (sock->board_type == BOARD_TYPE_DB1300)) { | |
cc10815e ML |
180 | ret = request_threaded_irq(sock->insert_irq, db1200_pcmcia_cdirq, |
181 | db1200_pcmcia_cdirq_fn, 0, "pcmcia_insert", sock); | |
0000a539 | 182 | if (ret) |
66213b3c ML |
183 | goto out1; |
184 | ||
cc10815e ML |
185 | ret = request_threaded_irq(sock->eject_irq, db1200_pcmcia_cdirq, |
186 | db1200_pcmcia_cdirq_fn, 0, "pcmcia_eject", sock); | |
66213b3c ML |
187 | if (ret) { |
188 | free_irq(sock->insert_irq, sock); | |
66213b3c ML |
189 | goto out1; |
190 | } | |
191 | ||
0000a539 | 192 | /* enable the currently silent one */ |
64cd04d0 | 193 | if (db1x_card_inserted(sock)) |
0000a539 | 194 | enable_irq(sock->eject_irq); |
66213b3c | 195 | else |
0000a539 | 196 | enable_irq(sock->insert_irq); |
66213b3c ML |
197 | } else { |
198 | /* all other (older) Db1x00 boards use a GPIO to show | |
199 | * card detection status: use both-edge triggers. | |
200 | */ | |
dced35ae | 201 | irq_set_irq_type(sock->insert_irq, IRQ_TYPE_EDGE_BOTH); |
66213b3c ML |
202 | ret = request_irq(sock->insert_irq, db1000_pcmcia_cdirq, |
203 | 0, "pcmcia_carddetect", sock); | |
204 | ||
205 | if (ret) | |
206 | goto out1; | |
207 | } | |
208 | ||
209 | return 0; /* all done */ | |
210 | ||
211 | out1: | |
212 | if (sock->stschg_irq != -1) | |
213 | free_irq(sock->stschg_irq, sock); | |
214 | ||
215 | return ret; | |
216 | } | |
217 | ||
218 | static void db1x_pcmcia_free_irqs(struct db1x_pcmcia_sock *sock) | |
219 | { | |
220 | if (sock->stschg_irq != -1) | |
221 | free_irq(sock->stschg_irq, sock); | |
222 | ||
223 | free_irq(sock->insert_irq, sock); | |
224 | if (sock->eject_irq != -1) | |
225 | free_irq(sock->eject_irq, sock); | |
226 | } | |
227 | ||
228 | /* | |
229 | * configure a PCMCIA socket on the Db1x00 series of boards (and | |
230 | * compatibles). | |
231 | * | |
232 | * 2 external registers are involved: | |
233 | * pcmcia_status (offset 0x04): bits [0:1/2:3]: read card voltage id | |
234 | * pcmcia_control(offset 0x10): | |
235 | * bits[0:1] set vcc for card | |
236 | * bits[2:3] set vpp for card | |
237 | * bit 4: enable data buffers | |
238 | * bit 7: reset# for card | |
239 | * add 8 for second socket. | |
240 | */ | |
241 | static int db1x_pcmcia_configure(struct pcmcia_socket *skt, | |
242 | struct socket_state_t *state) | |
243 | { | |
244 | struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); | |
245 | unsigned short cr_clr, cr_set; | |
246 | unsigned int changed; | |
247 | int v, p, ret; | |
248 | ||
249 | /* card voltage setup */ | |
250 | cr_clr = (0xf << (sock->nr * 8)); /* clear voltage settings */ | |
251 | cr_set = 0; | |
252 | v = p = ret = 0; | |
253 | ||
254 | switch (state->Vcc) { | |
255 | case 50: | |
256 | ++v; | |
257 | case 33: | |
258 | ++v; | |
259 | case 0: | |
260 | break; | |
261 | default: | |
262 | printk(KERN_INFO "pcmcia%d unsupported Vcc %d\n", | |
263 | sock->nr, state->Vcc); | |
264 | } | |
265 | ||
266 | switch (state->Vpp) { | |
267 | case 12: | |
268 | ++p; | |
269 | case 33: | |
270 | case 50: | |
271 | ++p; | |
272 | case 0: | |
273 | break; | |
274 | default: | |
275 | printk(KERN_INFO "pcmcia%d unsupported Vpp %d\n", | |
276 | sock->nr, state->Vpp); | |
277 | } | |
278 | ||
279 | /* sanity check: Vpp must be 0, 12, or Vcc */ | |
280 | if (((state->Vcc == 33) && (state->Vpp == 50)) || | |
281 | ((state->Vcc == 50) && (state->Vpp == 33))) { | |
282 | printk(KERN_INFO "pcmcia%d bad Vcc/Vpp combo (%d %d)\n", | |
283 | sock->nr, state->Vcc, state->Vpp); | |
284 | v = p = 0; | |
285 | ret = -EINVAL; | |
286 | } | |
287 | ||
288 | /* create new voltage code */ | |
64cd04d0 ML |
289 | if (sock->board_type != BOARD_TYPE_DB1300) |
290 | cr_set |= ((v << 2) | p) << (sock->nr * 8); | |
66213b3c ML |
291 | |
292 | changed = state->flags ^ sock->old_flags; | |
293 | ||
294 | if (changed & SS_RESET) { | |
295 | if (state->flags & SS_RESET) { | |
296 | set_stschg(sock, 0); | |
297 | /* assert reset, disable io buffers */ | |
298 | cr_clr |= (1 << (7 + (sock->nr * 8))); | |
299 | cr_clr |= (1 << (4 + (sock->nr * 8))); | |
300 | } else { | |
301 | /* de-assert reset, enable io buffers */ | |
302 | cr_set |= 1 << (7 + (sock->nr * 8)); | |
303 | cr_set |= 1 << (4 + (sock->nr * 8)); | |
304 | } | |
305 | } | |
306 | ||
307 | /* update PCMCIA configuration */ | |
308 | bcsr_mod(BCSR_PCMCIA, cr_clr, cr_set); | |
309 | ||
310 | sock->old_flags = state->flags; | |
311 | ||
312 | /* reset was taken away: give card time to initialize properly */ | |
313 | if ((changed & SS_RESET) && !(state->flags & SS_RESET)) { | |
314 | msleep(500); | |
315 | set_stschg(sock, 1); | |
316 | } | |
317 | ||
318 | return ret; | |
319 | } | |
320 | ||
321 | /* VCC bits at [3:2]/[11:10] */ | |
322 | #define GET_VCC(cr, socknr) \ | |
323 | ((((cr) >> 2) >> ((socknr) * 8)) & 3) | |
324 | ||
325 | /* VS bits at [0:1]/[3:2] */ | |
326 | #define GET_VS(sr, socknr) \ | |
327 | (((sr) >> (2 * (socknr))) & 3) | |
328 | ||
329 | /* reset bits at [7]/[15] */ | |
330 | #define GET_RESET(cr, socknr) \ | |
331 | ((cr) & (1 << (7 + (8 * (socknr))))) | |
332 | ||
333 | static int db1x_pcmcia_get_status(struct pcmcia_socket *skt, | |
334 | unsigned int *value) | |
335 | { | |
336 | struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); | |
337 | unsigned short cr, sr; | |
338 | unsigned int status; | |
339 | ||
340 | status = db1x_card_inserted(sock) ? SS_DETECT : 0; | |
341 | ||
342 | cr = bcsr_read(BCSR_PCMCIA); | |
343 | sr = bcsr_read(BCSR_STATUS); | |
344 | ||
345 | /* PB1100/PB1500: voltage key bits are at [5:4] */ | |
346 | if (sock->board_type == BOARD_TYPE_PB1100) | |
347 | sr >>= 4; | |
348 | ||
349 | /* determine card type */ | |
350 | switch (GET_VS(sr, sock->nr)) { | |
351 | case 0: | |
352 | case 2: | |
353 | status |= SS_3VCARD; /* 3V card */ | |
354 | case 3: | |
355 | break; /* 5V card: set nothing */ | |
356 | default: | |
357 | status |= SS_XVCARD; /* treated as unsupported in core */ | |
358 | } | |
359 | ||
360 | /* if Vcc is not zero, we have applied power to a card */ | |
361 | status |= GET_VCC(cr, sock->nr) ? SS_POWERON : 0; | |
362 | ||
64cd04d0 ML |
363 | /* DB1300: power always on, but don't tell when no card present */ |
364 | if ((sock->board_type == BOARD_TYPE_DB1300) && (status & SS_DETECT)) | |
365 | status = SS_POWERON | SS_3VCARD | SS_DETECT; | |
366 | ||
66213b3c ML |
367 | /* reset de-asserted? then we're ready */ |
368 | status |= (GET_RESET(cr, sock->nr)) ? SS_READY : SS_RESET; | |
369 | ||
370 | *value = status; | |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
375 | static int db1x_pcmcia_sock_init(struct pcmcia_socket *skt) | |
376 | { | |
377 | return 0; | |
378 | } | |
379 | ||
380 | static int db1x_pcmcia_sock_suspend(struct pcmcia_socket *skt) | |
381 | { | |
382 | return 0; | |
383 | } | |
384 | ||
385 | static int au1x00_pcmcia_set_io_map(struct pcmcia_socket *skt, | |
386 | struct pccard_io_map *map) | |
387 | { | |
388 | struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); | |
389 | ||
390 | map->start = (u32)sock->virt_io; | |
391 | map->stop = map->start + IO_MAP_SIZE; | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | static int au1x00_pcmcia_set_mem_map(struct pcmcia_socket *skt, | |
397 | struct pccard_mem_map *map) | |
398 | { | |
399 | struct db1x_pcmcia_sock *sock = to_db1x_socket(skt); | |
400 | ||
401 | if (map->flags & MAP_ATTRIB) | |
402 | map->static_start = sock->phys_attr + map->card_start; | |
403 | else | |
404 | map->static_start = sock->phys_mem + map->card_start; | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static struct pccard_operations db1x_pcmcia_operations = { | |
410 | .init = db1x_pcmcia_sock_init, | |
411 | .suspend = db1x_pcmcia_sock_suspend, | |
412 | .get_status = db1x_pcmcia_get_status, | |
413 | .set_socket = db1x_pcmcia_configure, | |
414 | .set_io_map = au1x00_pcmcia_set_io_map, | |
415 | .set_mem_map = au1x00_pcmcia_set_mem_map, | |
416 | }; | |
417 | ||
34cdf25a | 418 | static int db1x_pcmcia_socket_probe(struct platform_device *pdev) |
66213b3c ML |
419 | { |
420 | struct db1x_pcmcia_sock *sock; | |
421 | struct resource *r; | |
66213b3c ML |
422 | int ret, bid; |
423 | ||
424 | sock = kzalloc(sizeof(struct db1x_pcmcia_sock), GFP_KERNEL); | |
425 | if (!sock) | |
426 | return -ENOMEM; | |
427 | ||
428 | sock->nr = pdev->id; | |
429 | ||
430 | bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)); | |
431 | switch (bid) { | |
432 | case BCSR_WHOAMI_PB1500: | |
433 | case BCSR_WHOAMI_PB1500R2: | |
434 | case BCSR_WHOAMI_PB1100: | |
435 | sock->board_type = BOARD_TYPE_PB1100; | |
436 | break; | |
437 | case BCSR_WHOAMI_DB1000 ... BCSR_WHOAMI_PB1550_SDR: | |
438 | sock->board_type = BOARD_TYPE_DEFAULT; | |
439 | break; | |
440 | case BCSR_WHOAMI_PB1200 ... BCSR_WHOAMI_DB1200: | |
441 | sock->board_type = BOARD_TYPE_DB1200; | |
442 | break; | |
64cd04d0 ML |
443 | case BCSR_WHOAMI_DB1300: |
444 | sock->board_type = BOARD_TYPE_DB1300; | |
445 | break; | |
66213b3c ML |
446 | default: |
447 | printk(KERN_INFO "db1xxx-ss: unknown board %d!\n", bid); | |
448 | ret = -ENODEV; | |
449 | goto out0; | |
450 | }; | |
451 | ||
452 | /* | |
453 | * gather resources necessary and optional nice-to-haves to | |
454 | * operate a socket: | |
455 | * This includes IRQs for Carddetection/ejection, the card | |
456 | * itself and optional status change detection. | |
457 | * Also, the memory areas covered by a socket. For these | |
f25e188c | 458 | * we require the real 36bit addresses (see the au1000.h |
66213b3c ML |
459 | * header for more information). |
460 | */ | |
461 | ||
462 | /* card: irq assigned to the card itself. */ | |
463 | r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "card"); | |
464 | sock->card_irq = r ? r->start : 0; | |
465 | ||
e34b6fcf ML |
466 | /* insert: irq which triggers on card insertion/ejection |
467 | * BIG FAT NOTE: on DB1000/1100/1500/1550 we pass a GPIO here! | |
468 | */ | |
66213b3c ML |
469 | r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "insert"); |
470 | sock->insert_irq = r ? r->start : -1; | |
e34b6fcf ML |
471 | if (sock->board_type == BOARD_TYPE_DEFAULT) { |
472 | sock->insert_gpio = r ? r->start : -1; | |
473 | sock->insert_irq = r ? gpio_to_irq(r->start) : -1; | |
474 | } | |
66213b3c ML |
475 | |
476 | /* stschg: irq which trigger on card status change (optional) */ | |
477 | r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "stschg"); | |
478 | sock->stschg_irq = r ? r->start : -1; | |
479 | ||
480 | /* eject: irq which triggers on ejection (DB1200/PB1200 only) */ | |
481 | r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "eject"); | |
482 | sock->eject_irq = r ? r->start : -1; | |
483 | ||
484 | ret = -ENODEV; | |
485 | ||
f25e188c | 486 | /* 36bit PCMCIA Attribute area address */ |
11b897cf | 487 | r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr"); |
66213b3c ML |
488 | if (!r) { |
489 | printk(KERN_ERR "pcmcia%d has no 'pseudo-attr' resource!\n", | |
490 | sock->nr); | |
491 | goto out0; | |
492 | } | |
493 | sock->phys_attr = r->start; | |
494 | ||
f25e188c | 495 | /* 36bit PCMCIA Memory area address */ |
11b897cf | 496 | r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem"); |
66213b3c ML |
497 | if (!r) { |
498 | printk(KERN_ERR "pcmcia%d has no 'pseudo-mem' resource!\n", | |
499 | sock->nr); | |
500 | goto out0; | |
501 | } | |
502 | sock->phys_mem = r->start; | |
503 | ||
f25e188c | 504 | /* 36bit PCMCIA IO area address */ |
11b897cf | 505 | r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io"); |
66213b3c ML |
506 | if (!r) { |
507 | printk(KERN_ERR "pcmcia%d has no 'pseudo-io' resource!\n", | |
508 | sock->nr); | |
509 | goto out0; | |
510 | } | |
511 | sock->phys_io = r->start; | |
512 | ||
66213b3c ML |
513 | /* |
514 | * PCMCIA client drivers use the inb/outb macros to access | |
515 | * the IO registers. Since mips_io_port_base is added | |
516 | * to the access address of the mips implementation of | |
517 | * inb/outb, we need to subtract it here because we want | |
518 | * to access the I/O or MEM address directly, without | |
519 | * going through this "mips_io_port_base" mechanism. | |
520 | */ | |
11b897cf | 521 | sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) - |
66213b3c ML |
522 | mips_io_port_base); |
523 | ||
524 | if (!sock->virt_io) { | |
525 | printk(KERN_ERR "pcmcia%d: cannot remap IO area\n", | |
526 | sock->nr); | |
527 | ret = -ENOMEM; | |
528 | goto out0; | |
529 | } | |
530 | ||
531 | sock->socket.ops = &db1x_pcmcia_operations; | |
532 | sock->socket.owner = THIS_MODULE; | |
533 | sock->socket.pci_irq = sock->card_irq; | |
534 | sock->socket.features = SS_CAP_STATIC_MAP | SS_CAP_PCCARD; | |
535 | sock->socket.map_size = MEM_MAP_SIZE; | |
536 | sock->socket.io_offset = (unsigned long)sock->virt_io; | |
537 | sock->socket.dev.parent = &pdev->dev; | |
538 | sock->socket.resource_ops = &pccard_static_ops; | |
539 | ||
540 | platform_set_drvdata(pdev, sock); | |
541 | ||
542 | ret = db1x_pcmcia_setup_irqs(sock); | |
543 | if (ret) { | |
544 | printk(KERN_ERR "pcmcia%d cannot setup interrupts\n", | |
545 | sock->nr); | |
546 | goto out1; | |
547 | } | |
548 | ||
549 | set_stschg(sock, 0); | |
550 | ||
551 | ret = pcmcia_register_socket(&sock->socket); | |
552 | if (ret) { | |
553 | printk(KERN_ERR "pcmcia%d failed to register\n", sock->nr); | |
554 | goto out2; | |
555 | } | |
556 | ||
11b897cf ML |
557 | printk(KERN_INFO "Alchemy Db/Pb1xxx pcmcia%d @ io/attr/mem %09llx" |
558 | "(%p) %09llx %09llx card/insert/stschg/eject irqs @ %d " | |
66213b3c ML |
559 | "%d %d %d\n", sock->nr, sock->phys_io, sock->virt_io, |
560 | sock->phys_attr, sock->phys_mem, sock->card_irq, | |
561 | sock->insert_irq, sock->stschg_irq, sock->eject_irq); | |
562 | ||
563 | return 0; | |
564 | ||
565 | out2: | |
566 | db1x_pcmcia_free_irqs(sock); | |
567 | out1: | |
568 | iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); | |
569 | out0: | |
570 | kfree(sock); | |
571 | return ret; | |
572 | } | |
573 | ||
e765a02c | 574 | static int db1x_pcmcia_socket_remove(struct platform_device *pdev) |
66213b3c ML |
575 | { |
576 | struct db1x_pcmcia_sock *sock = platform_get_drvdata(pdev); | |
577 | ||
578 | db1x_pcmcia_free_irqs(sock); | |
579 | pcmcia_unregister_socket(&sock->socket); | |
580 | iounmap((void *)(sock->virt_io + (u32)mips_io_port_base)); | |
581 | kfree(sock); | |
582 | ||
583 | return 0; | |
584 | } | |
585 | ||
66213b3c ML |
586 | static struct platform_driver db1x_pcmcia_socket_driver = { |
587 | .driver = { | |
588 | .name = "db1xxx_pcmcia", | |
66213b3c ML |
589 | }, |
590 | .probe = db1x_pcmcia_socket_probe, | |
96364e3a | 591 | .remove = db1x_pcmcia_socket_remove, |
66213b3c ML |
592 | }; |
593 | ||
5d95f8e2 | 594 | module_platform_driver(db1x_pcmcia_socket_driver); |
66213b3c ML |
595 | |
596 | MODULE_LICENSE("GPL"); | |
597 | MODULE_DESCRIPTION("PCMCIA Socket Services for Alchemy Db/Pb1x00 boards"); | |
598 | MODULE_AUTHOR("Manuel Lauss"); |