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[PATCH] pcmcia: reduce ds.c stack footprint
[net-next-2.6.git] / drivers / pcmcia / yenta_socket.c
CommitLineData
1da177e4
LT		 1/*
2 * Regular cardbus driver ("yenta_socket")
3 *
4 * (C) Copyright 1999, 2000 Linus Torvalds
5 *
6 * Changelog:
7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
8 * Dynamically adjust the size of the bridge resource
9 *
10 * May 2003: Dominik Brodowski <linux@brodo.de>
11 * Merge pci_socket.c and yenta.c into one file
12 */
13#include <linux/init.h>
14#include <linux/pci.h>
15#include <linux/sched.h>
16#include <linux/workqueue.h>
17#include <linux/interrupt.h>
18#include <linux/delay.h>
19#include <linux/module.h>
20
1da177e4
LT		 21#include <pcmcia/cs_types.h>
22#include <pcmcia/ss.h>
23#include <pcmcia/cs.h>
24
25#include <asm/io.h>
26
27#include "yenta_socket.h"
28#include "i82365.h"
29
30static int disable_clkrun;
31module_param(disable_clkrun, bool, 0444);
32MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
33
fa912bcb
DR		 34static int isa_probe = 1;
35module_param(isa_probe, bool, 0444);
36MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
37
38static int pwr_irqs_off;
39module_param(pwr_irqs_off, bool, 0644);
40MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
41
1da177e4
LT		 42#if 0
43#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
44#else
45#define debug(x,args...)
46#endif
47
48/* Don't ask.. */
49#define to_cycles(ns) ((ns)/120)
50#define to_ns(cycles) ((cycles)*120)
51
52static int yenta_probe_cb_irq(struct yenta_socket *socket);
53
54
55static unsigned int override_bios;
56module_param(override_bios, uint, 0000);
57MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");
58
59/*
60 * Generate easy-to-use ways of reading a cardbus sockets
61 * regular memory space ("cb_xxx"), configuration space
62 * ("config_xxx") and compatibility space ("exca_xxxx")
63 */
64static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
65{
66 u32 val = readl(socket->base + reg);
67 debug("%p %04x %08x\n", socket, reg, val);
68 return val;
69}
70
71static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
72{
73 debug("%p %04x %08x\n", socket, reg, val);
74 writel(val, socket->base + reg);
75}
76
77static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
78{
79 u8 val;
80 pci_read_config_byte(socket->dev, offset, &val);
81 debug("%p %04x %02x\n", socket, offset, val);
82 return val;
83}
84
85static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
86{
87 u16 val;
88 pci_read_config_word(socket->dev, offset, &val);
89 debug("%p %04x %04x\n", socket, offset, val);
90 return val;
91}
92
93static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
94{
95 u32 val;
96 pci_read_config_dword(socket->dev, offset, &val);
97 debug("%p %04x %08x\n", socket, offset, val);
98 return val;
99}
100
101static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
102{
103 debug("%p %04x %02x\n", socket, offset, val);
104 pci_write_config_byte(socket->dev, offset, val);
105}
106
107static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
108{
109 debug("%p %04x %04x\n", socket, offset, val);
110 pci_write_config_word(socket->dev, offset, val);
111}
112
113static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
114{
115 debug("%p %04x %08x\n", socket, offset, val);
116 pci_write_config_dword(socket->dev, offset, val);
117}
118
119static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
120{
121 u8 val = readb(socket->base + 0x800 + reg);
122 debug("%p %04x %02x\n", socket, reg, val);
123 return val;
124}
125
126static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
127{
128 u16 val;
129 val = readb(socket->base + 0x800 + reg);
130 val |= readb(socket->base + 0x800 + reg + 1) << 8;
131 debug("%p %04x %04x\n", socket, reg, val);
132 return val;
133}
134
135static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
136{
137 debug("%p %04x %02x\n", socket, reg, val);
138 writeb(val, socket->base + 0x800 + reg);
139}
140
141static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
142{
143 debug("%p %04x %04x\n", socket, reg, val);
144 writeb(val, socket->base + 0x800 + reg);
145 writeb(val >> 8, socket->base + 0x800 + reg + 1);
146}
147
148/*
149 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
150 * on what kind of card is inserted..
151 */
152static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
153{
154 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
155 unsigned int val;
156 u32 state = cb_readl(socket, CB_SOCKET_STATE);
157
158 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
159 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
fa912bcb
DR		 160 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
161 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
162
1da177e4
LT		 163
164 if (state & CB_CBCARD) {
165 val |= SS_CARDBUS;
166 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
167 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
168 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
fa912bcb 169 } else if (state & CB_16BITCARD) {
1da177e4
LT		 170 u8 status = exca_readb(socket, I365_STATUS);
171 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
172 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
173 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
174 } else {
175 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
176 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
177 }
178 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
179 val |= (status & I365_CS_READY) ? SS_READY : 0;
180 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
181 }
182
183 *value = val;
184 return 0;
185}
186
ea2f1590 187static void yenta_get_power(struct yenta_socket *socket, socket_state_t *state)
1da177e4 188{
ea2f1590
DR		 189 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
190 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
191 u8 reg, vcc, vpp;
192
193 reg = exca_readb(socket, I365_POWER);
194 vcc = reg & I365_VCC_MASK;
195 vpp = reg & I365_VPP1_MASK;
196 state->Vcc = state->Vpp = 0;
197
198 if (socket->flags & YENTA_16BIT_POWER_DF) {
199 if (vcc == I365_VCC_3V)
200 state->Vcc = 33;
201 if (vcc == I365_VCC_5V)
202 state->Vcc = 50;
203 if (vpp == I365_VPP1_5V)
204 state->Vpp = state->Vcc;
205 if (vpp == I365_VPP1_12V)
206 state->Vpp = 120;
207 } else {
208 if (reg & I365_VCC_5V) {
209 state->Vcc = 50;
210 if (vpp == I365_VPP1_5V)
211 state->Vpp = 50;
212 if (vpp == I365_VPP1_12V)
213 state->Vpp = 120;
214 }
215 }
216 } else {
217 u32 control;
1da177e4 218
ea2f1590
DR		 219 control = cb_readl(socket, CB_SOCKET_CONTROL);
220
221 switch (control & CB_SC_VCC_MASK) {
222 case CB_SC_VCC_5V: state->Vcc = 50; break;
223 case CB_SC_VCC_3V: state->Vcc = 33; break;
224 default: state->Vcc = 0;
225 }
226
227 switch (control & CB_SC_VPP_MASK) {
228 case CB_SC_VPP_12V: state->Vpp = 120; break;
229 case CB_SC_VPP_5V: state->Vpp = 50; break;
230 case CB_SC_VPP_3V: state->Vpp = 33; break;
231 default: state->Vpp = 0;
232 }
1da177e4
LT		 233 }
234}
235
236static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
237{
238 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
239 u8 reg;
240 u32 control;
241
242 control = cb_readl(socket, CB_SOCKET_CONTROL);
243
ea2f1590 244 yenta_get_power(socket, state);
1da177e4
LT		 245 state->io_irq = socket->io_irq;
246
247 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
248 u16 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
249 if (bridge & CB_BRIDGE_CRST)
250 state->flags |= SS_RESET;
251 return 0;
252 }
253
254 /* 16-bit card state.. */
255 reg = exca_readb(socket, I365_POWER);
256 state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
257 state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
258
259 reg = exca_readb(socket, I365_INTCTL);
260 state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
261 state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0;
262
263 reg = exca_readb(socket, I365_CSCINT);
264 state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
265 if (state->flags & SS_IOCARD) {
266 state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
267 } else {
268 state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
269 state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
270 state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
271 }
272
273 return 0;
274}
275
276static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
277{
ea2f1590
DR		 278 /* some birdges require to use the ExCA registers to power 16bit cards */
279 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
280 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
281 u8 reg, old;
282 reg = old = exca_readb(socket, I365_POWER);
283 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
284
285 /* i82365SL-DF style */
286 if (socket->flags & YENTA_16BIT_POWER_DF) {
287 switch (state->Vcc) {
288 case 33: reg |= I365_VCC_3V; break;
289 case 50: reg |= I365_VCC_5V; break;
290 default: reg = 0; break;
291 }
292 switch (state->Vpp) {
293 case 33:
294 case 50: reg |= I365_VPP1_5V; break;
295 case 120: reg |= I365_VPP1_12V; break;
296 }
297 } else {
298 /* i82365SL-B style */
299 switch (state->Vcc) {
300 case 50: reg |= I365_VCC_5V; break;
301 default: reg = 0; break;
302 }
303 switch (state->Vpp) {
304 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
305 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
306 }
307 }
308
309 if (reg != old)
310 exca_writeb(socket, I365_POWER, reg);
311 } else {
312 u32 reg = 0; /* CB_SC_STPCLK? */
313 switch (state->Vcc) {
314 case 33: reg = CB_SC_VCC_3V; break;
315 case 50: reg = CB_SC_VCC_5V; break;
316 default: reg = 0; break;
317 }
318 switch (state->Vpp) {
319 case 33: reg |= CB_SC_VPP_3V; break;
320 case 50: reg |= CB_SC_VPP_5V; break;
321 case 120: reg |= CB_SC_VPP_12V; break;
322 }
323 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
324 cb_writel(socket, CB_SOCKET_CONTROL, reg);
1da177e4 325 }
1da177e4
LT		 326}
327
328static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
329{
330 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
331 u16 bridge;
332
333 yenta_set_power(socket, state);
334 socket->io_irq = state->io_irq;
335 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
336 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
337 u8 intr;
338 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
339
340 /* ISA interrupt control? */
341 intr = exca_readb(socket, I365_INTCTL);
342 intr = (intr & ~0xf);
343 if (!socket->cb_irq) {
344 intr |= state->io_irq;
345 bridge |= CB_BRIDGE_INTR;
346 }
347 exca_writeb(socket, I365_INTCTL, intr);
348 } else {
349 u8 reg;
350
351 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
352 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
353 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
354 if (state->io_irq != socket->cb_irq) {
355 reg |= state->io_irq;
356 bridge |= CB_BRIDGE_INTR;
357 }
358 exca_writeb(socket, I365_INTCTL, reg);
359
360 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
361 reg |= I365_PWR_NORESET;
362 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
363 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
364 if (exca_readb(socket, I365_POWER) != reg)
365 exca_writeb(socket, I365_POWER, reg);
366
367 /* CSC interrupt: no ISA irq for CSC */
368 reg = I365_CSC_DETECT;
369 if (state->flags & SS_IOCARD) {
370 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
371 } else {
372 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
373 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
374 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
375 }
376 exca_writeb(socket, I365_CSCINT, reg);
377 exca_readb(socket, I365_CSC);
378 if(sock->zoom_video)
379 sock->zoom_video(sock, state->flags & SS_ZVCARD);
380 }
381 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
382 /* Socket event mask: get card insert/remove events.. */
383 cb_writel(socket, CB_SOCKET_EVENT, -1);
384 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
385 return 0;
386}
387
388static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
389{
390 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
391 int map;
392 unsigned char ioctl, addr, enable;
393
394 map = io->map;
395
396 if (map > 1)
397 return -EINVAL;
398
399 enable = I365_ENA_IO(map);
400 addr = exca_readb(socket, I365_ADDRWIN);
401
402 /* Disable the window before changing it.. */
403 if (addr & enable) {
404 addr &= ~enable;
405 exca_writeb(socket, I365_ADDRWIN, addr);
406 }
407
408 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
409 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
410
411 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
412 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
413 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
414 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
415 exca_writeb(socket, I365_IOCTL, ioctl);
416
417 if (io->flags & MAP_ACTIVE)
418 exca_writeb(socket, I365_ADDRWIN, addr | enable);
419 return 0;
420}
421
422static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
423{
424 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
425 struct pci_bus_region region;
426 int map;
427 unsigned char addr, enable;
428 unsigned int start, stop, card_start;
429 unsigned short word;
430
431 pcibios_resource_to_bus(socket->dev, &region, mem->res);
432
433 map = mem->map;
434 start = region.start;
435 stop = region.end;
436 card_start = mem->card_start;
437
438 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
439 (card_start >> 26) || mem->speed > 1000)
440 return -EINVAL;
441
442 enable = I365_ENA_MEM(map);
443 addr = exca_readb(socket, I365_ADDRWIN);
444 if (addr & enable) {
445 addr &= ~enable;
446 exca_writeb(socket, I365_ADDRWIN, addr);
447 }
448
449 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
450
451 word = (start >> 12) & 0x0fff;
452 if (mem->flags & MAP_16BIT)
453 word |= I365_MEM_16BIT;
454 if (mem->flags & MAP_0WS)
455 word |= I365_MEM_0WS;
456 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
457
458 word = (stop >> 12) & 0x0fff;
459 switch (to_cycles(mem->speed)) {
460 case 0: break;
461 case 1: word |= I365_MEM_WS0; break;
462 case 2: word |= I365_MEM_WS1; break;
463 default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
464 }
465 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
466
467 word = ((card_start - start) >> 12) & 0x3fff;
468 if (mem->flags & MAP_WRPROT)
469 word |= I365_MEM_WRPROT;
470 if (mem->flags & MAP_ATTRIB)
471 word |= I365_MEM_REG;
472 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
473
474 if (mem->flags & MAP_ACTIVE)
475 exca_writeb(socket, I365_ADDRWIN, addr | enable);
476 return 0;
477}
478
479
fa912bcb
DR		 480
481static irqreturn_t yenta_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1da177e4 482{
fa912bcb
DR		 483 unsigned int events;
484 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
1da177e4
LT		 485 u8 csc;
486 u32 cb_event;
1da177e4
LT		 487
488 /* Clear interrupt status for the event */
489 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
490 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
491
492 csc = exca_readb(socket, I365_CSC);
493
494 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
495 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
496 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
497 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
498 } else {
499 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
500 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
501 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
502 }
1da177e4 503
fa912bcb 504 if (events)
1da177e4 505 pcmcia_parse_events(&socket->socket, events);
fa912bcb
DR		 506
507 if (cb_event || csc)
1da177e4 508 return IRQ_HANDLED;
fa912bcb 509
1da177e4
LT		 510 return IRQ_NONE;
511}
512
513static void yenta_interrupt_wrapper(unsigned long data)
514{
515 struct yenta_socket *socket = (struct yenta_socket *) data;
516
517 yenta_interrupt(0, (void *)socket, NULL);
518 socket->poll_timer.expires = jiffies + HZ;
519 add_timer(&socket->poll_timer);
520}
521
522static void yenta_clear_maps(struct yenta_socket *socket)
523{
524 int i;
525 struct resource res = { .start = 0, .end = 0x0fff };
526 pccard_io_map io = { 0, 0, 0, 0, 1 };
527 pccard_mem_map mem = { .res = &res, };
528
529 yenta_set_socket(&socket->socket, &dead_socket);
530 for (i = 0; i < 2; i++) {
531 io.map = i;
532 yenta_set_io_map(&socket->socket, &io);
533 }
534 for (i = 0; i < 5; i++) {
535 mem.map = i;
536 yenta_set_mem_map(&socket->socket, &mem);
537 }
538}
539
fa912bcb
DR		 540/* redoes voltage interrogation if required */
541static void yenta_interrogate(struct yenta_socket *socket)
542{
543 u32 state;
544
545 state = cb_readl(socket, CB_SOCKET_STATE);
546 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
547 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
548 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
549 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
550}
551
1da177e4
LT		 552/* Called at resume and initialization events */
553static int yenta_sock_init(struct pcmcia_socket *sock)
554{
555 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
1da177e4
LT		 556 u16 bridge;
557
558 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~CB_BRIDGE_INTR;
559 if (!socket->cb_irq)
560 bridge |= CB_BRIDGE_INTR;
561 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
562
563 exca_writeb(socket, I365_GBLCTL, 0x00);
564 exca_writeb(socket, I365_GENCTL, 0x00);
565
566 /* Redo card voltage interrogation */
fa912bcb 567 yenta_interrogate(socket);
1da177e4
LT		 568
569 yenta_clear_maps(socket);
570
571 if (socket->type && socket->type->sock_init)
572 socket->type->sock_init(socket);
573
574 /* Re-enable CSC interrupts */
575 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
576
577 return 0;
578}
579
580static int yenta_sock_suspend(struct pcmcia_socket *sock)
581{
582 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
583
584 /* Disable CSC interrupts */
585 cb_writel(socket, CB_SOCKET_MASK, 0x0);
586
587 return 0;
588}
589
590/*
591 * Use an adaptive allocation for the memory resource,
592 * sometimes the memory behind pci bridges is limited:
593 * 1/8 of the size of the io window of the parent.
eb0a90b4
DB		 594 * max 4 MB, min 16 kB. We try very hard to not get below
595 * the "ACC" values, though.
1da177e4
LT		 596 */
597#define BRIDGE_MEM_MAX 4*1024*1024
eb0a90b4 598#define BRIDGE_MEM_ACC 128*1024
1da177e4
LT		 599#define BRIDGE_MEM_MIN 16*1024
600
eb0a90b4
DB		 601#define BRIDGE_IO_MAX 512
602#define BRIDGE_IO_ACC 256
1da177e4
LT		 603#define BRIDGE_IO_MIN 32
604
605#ifndef PCIBIOS_MIN_CARDBUS_IO
606#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
607#endif
608
eb0a90b4
DB		 609static int yenta_search_one_res(struct resource *root, struct resource *res,
610 u32 min)
611{
612 u32 align, size, start, end;
613
614 if (res->flags & IORESOURCE_IO) {
615 align = 1024;
616 size = BRIDGE_IO_MAX;
617 start = PCIBIOS_MIN_CARDBUS_IO;
618 end = ~0U;
619 } else {
620 unsigned long avail = root->end - root->start;
621 int i;
622 size = BRIDGE_MEM_MAX;
623 if (size > avail/8) {
624 size=(avail+1)/8;
625 /* round size down to next power of 2 */
626 i = 0;
627 while ((size /= 2) != 0)
628 i++;
629 size = 1 << i;
630 }
631 if (size < min)
632 size = min;
633 align = size;
634 start = PCIBIOS_MIN_MEM;
635 end = ~0U;
636 }
637
638 do {
639 if (allocate_resource(root, res, size, start, end, align,
640 NULL, NULL)==0) {
641 return 1;
642 }
643 size = size/2;
644 align = size;
645 } while (size >= min);
646
647 return 0;
648}
649
650
651static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
652 u32 min)
653{
654 int i;
655 for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
656 struct resource * root = socket->dev->bus->resource[i];
657 if (!root)
658 continue;
659
660 if ((res->flags ^ root->flags) &
661 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
662 continue; /* Wrong type */
663
664 if (yenta_search_one_res(root, res, min))
665 return 1;
666 }
667 return 0;
668}
669
27879835 670static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
1da177e4 671{
1da177e4 672 struct resource *root, *res;
43c34735 673 struct pci_bus_region region;
1da177e4
LT		 674 unsigned mask;
675
7925407a
IK		 676 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
677 /* Already allocated? */
678 if (res->parent)
862104e5 679 return;
7925407a 680
1da177e4
LT		 681 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
682 mask = ~0xfff;
683 if (type & IORESOURCE_IO)
684 mask = ~3;
685
43c34735 686 res->name = socket->dev->subordinate->name;
1da177e4 687 res->flags = type;
1da177e4 688
43c34735
DB		 689 region.start = config_readl(socket, addr_start) & mask;
690 region.end = config_readl(socket, addr_end) | ~mask;
691 if (region.start && region.end > region.start && !override_bios) {
692 pcibios_bus_to_resource(socket->dev, res, &region);
862104e5
DB		 693 root = pci_find_parent_resource(socket->dev, res);
694 if (root && (request_resource(root, res) == 0))
1da177e4 695 return;
862104e5 696 printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n",
1da177e4 697 pci_name(socket->dev), nr);
1da177e4
LT		 698 }
699
700 if (type & IORESOURCE_IO) {
eb0a90b4
DB		 701 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
702 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
703 (yenta_search_res(socket, res, BRIDGE_IO_MIN))) {
704 config_writel(socket, addr_start, res->start);
705 config_writel(socket, addr_end, res->end);
f7d1d23c 706 return;
eb0a90b4 707 }
1da177e4 708 } else {
eb0a90b4
DB		 709 if (type & IORESOURCE_PREFETCH) {
710 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
711 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
712 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
713 config_writel(socket, addr_start, res->start);
714 config_writel(socket, addr_end, res->end);
f7d1d23c 715 return;
eb0a90b4
DB		 716 }
717 /* Approximating prefetchable by non-prefetchable */
718 res->flags = IORESOURCE_MEM;
1da177e4 719 }
eb0a90b4
DB		 720 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
721 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
722 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
27879835
DB		 723 config_writel(socket, addr_start, res->start);
724 config_writel(socket, addr_end, res->end);
f7d1d23c 725 return;
1da177e4 726 }
eb0a90b4
DB		 727 }
728
1da177e4 729 printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n",
eb0a90b4
DB		 730 pci_name(socket->dev), type);
731 res->start = res->end = res->flags = 0;
1da177e4
LT		 732}
733
734/*
735 * Allocate the bridge mappings for the device..
736 */
737static void yenta_allocate_resources(struct yenta_socket *socket)
738{
27879835
DB		 739 yenta_allocate_res(socket, 0, IORESOURCE_IO,
740 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
741 yenta_allocate_res(socket, 1, IORESOURCE_IO,
742 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
743 yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
744 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
745 yenta_allocate_res(socket, 3, IORESOURCE_MEM,
746 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
1da177e4
LT		 747}
748
749
750/*
751 * Free the bridge mappings for the device..
752 */
753static void yenta_free_resources(struct yenta_socket *socket)
754{
755 int i;
756 for (i=0;i<4;i++) {
757 struct resource *res;
758 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
759 if (res->start != 0 && res->end != 0)
760 release_resource(res);
761 res->start = res->end = 0;
762 }
763}
764
765
766/*
767 * Close it down - release our resources and go home..
768 */
769static void yenta_close(struct pci_dev *dev)
770{
771 struct yenta_socket *sock = pci_get_drvdata(dev);
772
773 /* we don't want a dying socket registered */
774 pcmcia_unregister_socket(&sock->socket);
775
776 /* Disable all events so we don't die in an IRQ storm */
777 cb_writel(sock, CB_SOCKET_MASK, 0x0);
778 exca_writeb(sock, I365_CSCINT, 0);
779
780 if (sock->cb_irq)
781 free_irq(sock->cb_irq, sock);
782 else
783 del_timer_sync(&sock->poll_timer);
784
785 if (sock->base)
786 iounmap(sock->base);
787 yenta_free_resources(sock);
788
789 pci_release_regions(dev);
790 pci_disable_device(dev);
791 pci_set_drvdata(dev, NULL);
792}
793
794
795static struct pccard_operations yenta_socket_operations = {
796 .init = yenta_sock_init,
797 .suspend = yenta_sock_suspend,
798 .get_status = yenta_get_status,
799 .get_socket = yenta_get_socket,
800 .set_socket = yenta_set_socket,
801 .set_io_map = yenta_set_io_map,
802 .set_mem_map = yenta_set_mem_map,
803};
804
805
806#include "ti113x.h"
807#include "ricoh.h"
808#include "topic.h"
809#include "o2micro.h"
810
811enum {
812 CARDBUS_TYPE_DEFAULT = -1,
813 CARDBUS_TYPE_TI,
814 CARDBUS_TYPE_TI113X,
815 CARDBUS_TYPE_TI12XX,
816 CARDBUS_TYPE_TI1250,
817 CARDBUS_TYPE_RICOH,
ea2f1590 818 CARDBUS_TYPE_TOPIC95,
1da177e4
LT		 819 CARDBUS_TYPE_TOPIC97,
820 CARDBUS_TYPE_O2MICRO,
821};
822
823/*
824 * Different cardbus controllers have slightly different
825 * initialization sequences etc details. List them here..
826 */
827static struct cardbus_type cardbus_type[] = {
828 [CARDBUS_TYPE_TI] = {
829 .override = ti_override,
830 .save_state = ti_save_state,
831 .restore_state = ti_restore_state,
832 .sock_init = ti_init,
833 },
834 [CARDBUS_TYPE_TI113X] = {
835 .override = ti113x_override,
836 .save_state = ti_save_state,
837 .restore_state = ti_restore_state,
838 .sock_init = ti_init,
839 },
840 [CARDBUS_TYPE_TI12XX] = {
841 .override = ti12xx_override,
842 .save_state = ti_save_state,
843 .restore_state = ti_restore_state,
844 .sock_init = ti_init,
845 },
846 [CARDBUS_TYPE_TI1250] = {
847 .override = ti1250_override,
848 .save_state = ti_save_state,
849 .restore_state = ti_restore_state,
850 .sock_init = ti_init,
851 },
852 [CARDBUS_TYPE_RICOH] = {
853 .override = ricoh_override,
854 .save_state = ricoh_save_state,
855 .restore_state = ricoh_restore_state,
856 },
ea2f1590
DR		 857 [CARDBUS_TYPE_TOPIC95] = {
858 .override = topic95_override,
859 },
1da177e4
LT		 860 [CARDBUS_TYPE_TOPIC97] = {
861 .override = topic97_override,
862 },
863 [CARDBUS_TYPE_O2MICRO] = {
864 .override = o2micro_override,
865 .restore_state = o2micro_restore_state,
866 },
867};
868
869
870/*
871 * Only probe "regular" interrupts, don't
872 * touch dangerous spots like the mouse irq,
873 * because there are mice that apparently
874 * get really confused if they get fondled
875 * too intimately.
876 *
877 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
878 */
879static u32 isa_interrupts = 0x0ef8;
880
881static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
882{
883 int i;
884 unsigned long val;
885 u16 bridge_ctrl;
886 u32 mask;
887
888 /* Set up ISA irq routing to probe the ISA irqs.. */
889 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
890 if (!(bridge_ctrl & CB_BRIDGE_INTR)) {
891 bridge_ctrl |= CB_BRIDGE_INTR;
892 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
893 }
894
895 /*
896 * Probe for usable interrupts using the force
897 * register to generate bogus card status events.
898 */
899 cb_writel(socket, CB_SOCKET_EVENT, -1);
900 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
901 exca_writeb(socket, I365_CSCINT, 0);
902 val = probe_irq_on() & isa_irq_mask;
903 for (i = 1; i < 16; i++) {
904 if (!((val >> i) & 1))
905 continue;
906 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
907 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
908 udelay(100);
909 cb_writel(socket, CB_SOCKET_EVENT, -1);
910 }
911 cb_writel(socket, CB_SOCKET_MASK, 0);
912 exca_writeb(socket, I365_CSCINT, 0);
913
914 mask = probe_irq_mask(val) & 0xffff;
915
916 bridge_ctrl &= ~CB_BRIDGE_INTR;
917 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
918
919 return mask;
920}
921
922
923/* interrupt handler, only used during probing */
924static irqreturn_t yenta_probe_handler(int irq, void *dev_id, struct pt_regs *regs)
925{
926 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
927 u8 csc;
928 u32 cb_event;
929
930 /* Clear interrupt status for the event */
931 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
932 cb_writel(socket, CB_SOCKET_EVENT, -1);
933 csc = exca_readb(socket, I365_CSC);
934
935 if (cb_event || csc) {
936 socket->probe_status = 1;
937 return IRQ_HANDLED;
938 }
939
940 return IRQ_NONE;
941}
942
943/* probes the PCI interrupt, use only on override functions */
944static int yenta_probe_cb_irq(struct yenta_socket *socket)
945{
946 u16 bridge_ctrl;
947
948 if (!socket->cb_irq)
949 return -1;
950
951 socket->probe_status = 0;
952
953 /* disable ISA interrupts */
954 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
955 bridge_ctrl &= ~CB_BRIDGE_INTR;
956 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
957
958 if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) {
959 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
960 return -1;
961 }
962
963 /* generate interrupt, wait */
964 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
965 cb_writel(socket, CB_SOCKET_EVENT, -1);
966 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
967 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
968
969 msleep(100);
970
971 /* disable interrupts */
972 cb_writel(socket, CB_SOCKET_MASK, 0);
973 exca_writeb(socket, I365_CSCINT, 0);
974 cb_writel(socket, CB_SOCKET_EVENT, -1);
975 exca_readb(socket, I365_CSC);
976
977 free_irq(socket->cb_irq, socket);
978
979 return (int) socket->probe_status;
980}
981
982
983
984/*
985 * Set static data that doesn't need re-initializing..
986 */
987static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
988{
1da177e4 989 socket->socket.pci_irq = socket->cb_irq;
fa912bcb
DR		 990 if (isa_probe)
991 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
992 else
993 socket->socket.irq_mask = 0;
1da177e4
LT		 994
995 printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n",
996 socket->socket.irq_mask, socket->cb_irq);
997}
998
999/*
1000 * Initialize the standard cardbus registers
1001 */
1002static void yenta_config_init(struct yenta_socket *socket)
1003{
1004 u16 bridge;
1005 struct pci_dev *dev = socket->dev;
1006
1007 pci_set_power_state(socket->dev, 0);
1008
1009 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1010 config_writel(socket, PCI_BASE_ADDRESS_0, dev->resource[0].start);
1011 config_writew(socket, PCI_COMMAND,
1012 PCI_COMMAND_IO |
1013 PCI_COMMAND_MEMORY |
1014 PCI_COMMAND_MASTER |
1015 PCI_COMMAND_WAIT);
1016
1017 /* MAGIC NUMBERS! Fixme */
1018 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1019 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1020 config_writel(socket, PCI_PRIMARY_BUS,
1021 (176 << 24) | /* sec. latency timer */
1022 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1023 (dev->subordinate->secondary << 8) | /* secondary bus */
1024 dev->subordinate->primary); /* primary bus */
1025
1026 /*
1027 * Set up the bridging state:
1028 * - enable write posting.
1029 * - memory window 0 prefetchable, window 1 non-prefetchable
1030 * - PCI interrupts enabled if a PCI interrupt exists..
1031 */
1032 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1033 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_INTR | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1034 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN | CB_BRIDGE_INTR;
1035 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1036}
1037
1038/*
1039 * Initialize a cardbus controller. Make sure we have a usable
1040 * interrupt, and that we can map the cardbus area. Fill in the
1041 * socket information structure..
1042 */
1043static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
1044{
1045 struct yenta_socket *socket;
1046 int ret;
1047
1048 socket = kmalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1049 if (!socket)
1050 return -ENOMEM;
1051 memset(socket, 0, sizeof(*socket));
1052
1053 /* prepare pcmcia_socket */
1054 socket->socket.ops = &yenta_socket_operations;
1055 socket->socket.resource_ops = &pccard_nonstatic_ops;
1056 socket->socket.dev.dev = &dev->dev;
1057 socket->socket.driver_data = socket;
1058 socket->socket.owner = THIS_MODULE;
5bc6b68a
RK		 1059 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1060 socket->socket.map_size = 0x1000;
1061 socket->socket.cb_dev = dev;
1da177e4
LT		 1062
1063 /* prepare struct yenta_socket */
1064 socket->dev = dev;
1065 pci_set_drvdata(dev, socket);
1066
1067 /*
1068 * Do some basic sanity checking..
1069 */
1070 if (pci_enable_device(dev)) {
1071 ret = -EBUSY;
1072 goto free;
1073 }
1074
1075 ret = pci_request_regions(dev, "yenta_socket");
1076 if (ret)
1077 goto disable;
1078
1079 if (!pci_resource_start(dev, 0)) {
1080 printk(KERN_ERR "No cardbus resource!\n");
1081 ret = -ENODEV;
1082 goto release;
1083 }
1084
1085 /*
1086 * Ok, start setup.. Map the cardbus registers,
1087 * and request the IRQ.
1088 */
1089 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1090 if (!socket->base) {
1091 ret = -ENOMEM;
1092 goto release;
1093 }
1094
1095 /*
1096 * report the subsystem vendor and device for help debugging
1097 * the irq stuff...
1098 */
1099 printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n",
1100 pci_name(dev), dev->subsystem_vendor, dev->subsystem_device);
1101
1102 yenta_config_init(socket);
1103
1104 /* Disable all events */
1105 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1106
1107 /* Set up the bridge regions.. */
1108 yenta_allocate_resources(socket);
1109
1110 socket->cb_irq = dev->irq;
1111
1112 /* Do we have special options for the device? */
1113 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1114 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1115 socket->type = &cardbus_type[id->driver_data];
1116
1117 ret = socket->type->override(socket);
1118 if (ret < 0)
1119 goto unmap;
1120 }
1121
1122 /* We must finish initialization here */
1123
1124 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, SA_SHIRQ, "yenta", socket)) {
1125 /* No IRQ or request_irq failed. Poll */
1126 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1127 init_timer(&socket->poll_timer);
1128 socket->poll_timer.function = yenta_interrupt_wrapper;
1129 socket->poll_timer.data = (unsigned long)socket;
1130 socket->poll_timer.expires = jiffies + HZ;
1131 add_timer(&socket->poll_timer);
5bc6b68a
RK		 1132 printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n"
1133 KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
1134 } else {
1135 socket->socket.features |= SS_CAP_CARDBUS;
1da177e4
LT		 1136 }
1137
1138 /* Figure out what the dang thing can do for the PCMCIA layer... */
fa912bcb 1139 yenta_interrogate(socket);
1da177e4
LT		 1140 yenta_get_socket_capabilities(socket, isa_interrupts);
1141 printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1142
1143 /* Register it with the pcmcia layer.. */
1144 ret = pcmcia_register_socket(&socket->socket);
1145 if (ret == 0)
1146 goto out;
1147
1148 unmap:
1149 iounmap(socket->base);
1150 release:
1151 pci_release_regions(dev);
1152 disable:
1153 pci_disable_device(dev);
1154 free:
1155 kfree(socket);
1156 out:
1157 return ret;
1158}
1159
1160
1161static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
1162{
1163 struct yenta_socket *socket = pci_get_drvdata(dev);
1164 int ret;
1165
1166 ret = pcmcia_socket_dev_suspend(&dev->dev, state);
1167
1168 if (socket) {
1169 if (socket->type && socket->type->save_state)
1170 socket->type->save_state(socket);
1171
1172 /* FIXME: pci_save_state needs to have a better interface */
1173 pci_save_state(dev);
1174 pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
1175 pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
d58da590 1176 pci_disable_device(dev);
1da177e4
LT		 1177
1178 /*
1179 * Some laptops (IBM T22) do not like us putting the Cardbus
1180 * bridge into D3. At a guess, some other laptop will
1181 * probably require this, so leave it commented out for now.
1182 */
1183 /* pci_set_power_state(dev, 3); */
1184 }
1185
1186 return ret;
1187}
1188
1189
1190static int yenta_dev_resume (struct pci_dev *dev)
1191{
1192 struct yenta_socket *socket = pci_get_drvdata(dev);
1193
1194 if (socket) {
1195 pci_set_power_state(dev, 0);
1196 /* FIXME: pci_restore_state needs to have a better interface */
1197 pci_restore_state(dev);
1198 pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
1199 pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
d58da590
DSL		 1200 pci_enable_device(dev);
1201 pci_set_master(dev);
1da177e4
LT		 1202
1203 if (socket->type && socket->type->restore_state)
1204 socket->type->restore_state(socket);
1205 }
1206
1207 return pcmcia_socket_dev_resume(&dev->dev);
1208}
1209
1210
1211#define CB_ID(vend,dev,type) \
1212 { \
1213 .vendor = vend, \
1214 .device = dev, \
1215 .subvendor = PCI_ANY_ID, \
1216 .subdevice = PCI_ANY_ID, \
1217 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1218 .class_mask = ~0, \
1219 .driver_data = CARDBUS_TYPE_##type, \
1220 }
1221
1222static struct pci_device_id yenta_table [] = {
1223 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1224
1225 /*
1226 * TBD: Check if these TI variants can use more
1227 * advanced overrides instead. (I can't get the
1228 * data sheets for these devices. --rmk)
1229 */
1230 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1231
1232 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1233 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1234
1235 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1236 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1237 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1238 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1239 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1240 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1241 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1242 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1243 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1244 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1245 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1246 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1247 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1248 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1249 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1250 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1251 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1252
1253 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1254 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1255
1256 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, TI12XX),
1257 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, TI12XX),
1258 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, TI1250),
1259 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, TI12XX),
1260
1261 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1262 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1263 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1264 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1265 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1266
ea2f1590 1267 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1da177e4
LT		 1268 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1269 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1270
1271 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1272
1273 /* match any cardbus bridge */
1274 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1275 { /* all zeroes */ }
1276};
1277MODULE_DEVICE_TABLE(pci, yenta_table);
1278
1279
1280static struct pci_driver yenta_cardbus_driver = {
1281 .name = "yenta_cardbus",
1282 .id_table = yenta_table,
1283 .probe = yenta_probe,
1284 .remove = __devexit_p(yenta_close),
1285 .suspend = yenta_dev_suspend,
1286 .resume = yenta_dev_resume,
1287};
1288
1289
1290static int __init yenta_socket_init(void)
1291{
1292 return pci_register_driver (&yenta_cardbus_driver);
1293}
1294
1295
1296static void __exit yenta_socket_exit (void)
1297{
1298 pci_unregister_driver (&yenta_cardbus_driver);
1299}
1300
1301
1302module_init(yenta_socket_init);
1303module_exit(yenta_socket_exit);
1304
1305MODULE_LICENSE("GPL");
Clone of davem's net-next-2.6 tree