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[PATCH] ppc64: systemcfg is now a pointer
[linux-2.6/kvm.git] / drivers / pcmcia / yenta_socket.c
blob62fd705203fb0d48ecc55d16b8c68b6376fa852a
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
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
30 static int disable_clkrun;
31 module_param(disable_clkrun, bool, 0444);
32 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
33
34 static int isa_probe = 1;
35 module_param(isa_probe, bool, 0444);
36 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
37
38 static int pwr_irqs_off;
39 module_param(pwr_irqs_off, bool, 0644);
40 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
41
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
52 static int yenta_probe_cb_irq(struct yenta_socket *socket);
53
54
55 static unsigned int override_bios;
56 module_param(override_bios, uint, 0000);
57 MODULE_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 */
64 static 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
71 static 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
77 static 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
85 static 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
93 static 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
101 static 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
107 static 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
113 static 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
119 static 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
126 static 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
135 static 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
141 static 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 */
152 static 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;
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
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;
169 } else if (state & CB_16BITCARD) {
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
187 static int yenta_Vcc_power(u32 control)
188 {
189 switch (control & CB_SC_VCC_MASK) {
190 case CB_SC_VCC_5V: return 50;
191 case CB_SC_VCC_3V: return 33;
192 default: return 0;
193 }
194 }
195
196 static int yenta_Vpp_power(u32 control)
197 {
198 switch (control & CB_SC_VPP_MASK) {
199 case CB_SC_VPP_12V: return 120;
200 case CB_SC_VPP_5V: return 50;
201 case CB_SC_VPP_3V: return 33;
202 default: return 0;
203 }
204 }
205
206 static int yenta_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
207 {
208 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
209 u8 reg;
210 u32 control;
211
212 control = cb_readl(socket, CB_SOCKET_CONTROL);
213
214 state->Vcc = yenta_Vcc_power(control);
215 state->Vpp = yenta_Vpp_power(control);
216 state->io_irq = socket->io_irq;
217
218 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
219 u16 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
220 if (bridge & CB_BRIDGE_CRST)
221 state->flags |= SS_RESET;
222 return 0;
223 }
224
225 /* 16-bit card state.. */
226 reg = exca_readb(socket, I365_POWER);
227 state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
228 state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
229
230 reg = exca_readb(socket, I365_INTCTL);
231 state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
232 state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0;
233
234 reg = exca_readb(socket, I365_CSCINT);
235 state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
236 if (state->flags & SS_IOCARD) {
237 state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
238 } else {
239 state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
240 state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
241 state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
242 }
243
244 return 0;
245 }
246
247 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
248 {
249 u32 reg = 0; /* CB_SC_STPCLK? */
250 switch (state->Vcc) {
251 case 33: reg = CB_SC_VCC_3V; break;
252 case 50: reg = CB_SC_VCC_5V; break;
253 default: reg = 0; break;
254 }
255 switch (state->Vpp) {
256 case 33: reg |= CB_SC_VPP_3V; break;
257 case 50: reg |= CB_SC_VPP_5V; break;
258 case 120: reg |= CB_SC_VPP_12V; break;
259 }
260 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
261 cb_writel(socket, CB_SOCKET_CONTROL, reg);
262 }
263
264 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
265 {
266 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
267 u16 bridge;
268
269 yenta_set_power(socket, state);
270 socket->io_irq = state->io_irq;
271 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
272 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
273 u8 intr;
274 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
275
276 /* ISA interrupt control? */
277 intr = exca_readb(socket, I365_INTCTL);
278 intr = (intr & ~0xf);
279 if (!socket->cb_irq) {
280 intr |= state->io_irq;
281 bridge |= CB_BRIDGE_INTR;
282 }
283 exca_writeb(socket, I365_INTCTL, intr);
284 } else {
285 u8 reg;
286
287 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
288 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
289 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
290 if (state->io_irq != socket->cb_irq) {
291 reg |= state->io_irq;
292 bridge |= CB_BRIDGE_INTR;
293 }
294 exca_writeb(socket, I365_INTCTL, reg);
295
296 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
297 reg |= I365_PWR_NORESET;
298 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
299 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
300 if (exca_readb(socket, I365_POWER) != reg)
301 exca_writeb(socket, I365_POWER, reg);
302
303 /* CSC interrupt: no ISA irq for CSC */
304 reg = I365_CSC_DETECT;
305 if (state->flags & SS_IOCARD) {
306 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
307 } else {
308 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
309 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
310 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
311 }
312 exca_writeb(socket, I365_CSCINT, reg);
313 exca_readb(socket, I365_CSC);
314 if(sock->zoom_video)
315 sock->zoom_video(sock, state->flags & SS_ZVCARD);
316 }
317 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
318 /* Socket event mask: get card insert/remove events.. */
319 cb_writel(socket, CB_SOCKET_EVENT, -1);
320 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
321 return 0;
322 }
323
324 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
325 {
326 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
327 int map;
328 unsigned char ioctl, addr, enable;
329
330 map = io->map;
331
332 if (map > 1)
333 return -EINVAL;
334
335 enable = I365_ENA_IO(map);
336 addr = exca_readb(socket, I365_ADDRWIN);
337
338 /* Disable the window before changing it.. */
339 if (addr & enable) {
340 addr &= ~enable;
341 exca_writeb(socket, I365_ADDRWIN, addr);
342 }
343
344 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
345 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
346
347 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
348 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
349 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
350 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
351 exca_writeb(socket, I365_IOCTL, ioctl);
352
353 if (io->flags & MAP_ACTIVE)
354 exca_writeb(socket, I365_ADDRWIN, addr | enable);
355 return 0;
356 }
357
358 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
359 {
360 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
361 struct pci_bus_region region;
362 int map;
363 unsigned char addr, enable;
364 unsigned int start, stop, card_start;
365 unsigned short word;
366
367 pcibios_resource_to_bus(socket->dev, &region, mem->res);
368
369 map = mem->map;
370 start = region.start;
371 stop = region.end;
372 card_start = mem->card_start;
373
374 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
375 (card_start >> 26) || mem->speed > 1000)
376 return -EINVAL;
377
378 enable = I365_ENA_MEM(map);
379 addr = exca_readb(socket, I365_ADDRWIN);
380 if (addr & enable) {
381 addr &= ~enable;
382 exca_writeb(socket, I365_ADDRWIN, addr);
383 }
384
385 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
386
387 word = (start >> 12) & 0x0fff;
388 if (mem->flags & MAP_16BIT)
389 word |= I365_MEM_16BIT;
390 if (mem->flags & MAP_0WS)
391 word |= I365_MEM_0WS;
392 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
393
394 word = (stop >> 12) & 0x0fff;
395 switch (to_cycles(mem->speed)) {
396 case 0: break;
397 case 1: word |= I365_MEM_WS0; break;
398 case 2: word |= I365_MEM_WS1; break;
399 default: word |= I365_MEM_WS1 | I365_MEM_WS0; break;
400 }
401 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
402
403 word = ((card_start - start) >> 12) & 0x3fff;
404 if (mem->flags & MAP_WRPROT)
405 word |= I365_MEM_WRPROT;
406 if (mem->flags & MAP_ATTRIB)
407 word |= I365_MEM_REG;
408 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
409
410 if (mem->flags & MAP_ACTIVE)
411 exca_writeb(socket, I365_ADDRWIN, addr | enable);
412 return 0;
413 }
414
415
416
417 static irqreturn_t yenta_interrupt(int irq, void *dev_id, struct pt_regs *regs)
418 {
419 unsigned int events;
420 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
421 u8 csc;
422 u32 cb_event;
423
424 /* Clear interrupt status for the event */
425 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
426 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
427
428 csc = exca_readb(socket, I365_CSC);
429
430 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
431 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
432 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
433 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
434 } else {
435 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
436 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
437 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
438 }
439
440 if (events)
441 pcmcia_parse_events(&socket->socket, events);
442
443 if (cb_event || csc)
444 return IRQ_HANDLED;
445
446 return IRQ_NONE;
447 }
448
449 static void yenta_interrupt_wrapper(unsigned long data)
450 {
451 struct yenta_socket *socket = (struct yenta_socket *) data;
452
453 yenta_interrupt(0, (void *)socket, NULL);
454 socket->poll_timer.expires = jiffies + HZ;
455 add_timer(&socket->poll_timer);
456 }
457
458 static void yenta_clear_maps(struct yenta_socket *socket)
459 {
460 int i;
461 struct resource res = { .start = 0, .end = 0x0fff };
462 pccard_io_map io = { 0, 0, 0, 0, 1 };
463 pccard_mem_map mem = { .res = &res, };
464
465 yenta_set_socket(&socket->socket, &dead_socket);
466 for (i = 0; i < 2; i++) {
467 io.map = i;
468 yenta_set_io_map(&socket->socket, &io);
469 }
470 for (i = 0; i < 5; i++) {
471 mem.map = i;
472 yenta_set_mem_map(&socket->socket, &mem);
473 }
474 }
475
476 /* redoes voltage interrogation if required */
477 static void yenta_interrogate(struct yenta_socket *socket)
478 {
479 u32 state;
480
481 state = cb_readl(socket, CB_SOCKET_STATE);
482 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
483 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
484 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
485 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
486 }
487
488 /* Called at resume and initialization events */
489 static int yenta_sock_init(struct pcmcia_socket *sock)
490 {
491 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
492 u16 bridge;
493
494 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~CB_BRIDGE_INTR;
495 if (!socket->cb_irq)
496 bridge |= CB_BRIDGE_INTR;
497 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
498
499 exca_writeb(socket, I365_GBLCTL, 0x00);
500 exca_writeb(socket, I365_GENCTL, 0x00);
501
502 /* Redo card voltage interrogation */
503 yenta_interrogate(socket);
504
505 yenta_clear_maps(socket);
506
507 if (socket->type && socket->type->sock_init)
508 socket->type->sock_init(socket);
509
510 /* Re-enable CSC interrupts */
511 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
512
513 return 0;
514 }
515
516 static int yenta_sock_suspend(struct pcmcia_socket *sock)
517 {
518 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
519
520 /* Disable CSC interrupts */
521 cb_writel(socket, CB_SOCKET_MASK, 0x0);
522
523 return 0;
524 }
525
526 /*
527 * Use an adaptive allocation for the memory resource,
528 * sometimes the memory behind pci bridges is limited:
529 * 1/8 of the size of the io window of the parent.
530 * max 4 MB, min 16 kB. We try very hard to not get below
531 * the "ACC" values, though.
532 */
533 #define BRIDGE_MEM_MAX 4*1024*1024
534 #define BRIDGE_MEM_ACC 128*1024
535 #define BRIDGE_MEM_MIN 16*1024
536
537 #define BRIDGE_IO_MAX 512
538 #define BRIDGE_IO_ACC 256
539 #define BRIDGE_IO_MIN 32
540
541 #ifndef PCIBIOS_MIN_CARDBUS_IO
542 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
543 #endif
544
545 static int yenta_search_one_res(struct resource *root, struct resource *res,
546 u32 min)
547 {
548 u32 align, size, start, end;
549
550 if (res->flags & IORESOURCE_IO) {
551 align = 1024;
552 size = BRIDGE_IO_MAX;
553 start = PCIBIOS_MIN_CARDBUS_IO;
554 end = ~0U;
555 } else {
556 unsigned long avail = root->end - root->start;
557 int i;
558 size = BRIDGE_MEM_MAX;
559 if (size > avail/8) {
560 size=(avail+1)/8;
561 /* round size down to next power of 2 */
562 i = 0;
563 while ((size /= 2) != 0)
564 i++;
565 size = 1 << i;
566 }
567 if (size < min)
568 size = min;
569 align = size;
570 start = PCIBIOS_MIN_MEM;
571 end = ~0U;
572 }
573
574 do {
575 if (allocate_resource(root, res, size, start, end, align,
576 NULL, NULL)==0) {
577 return 1;
578 }
579 size = size/2;
580 align = size;
581 } while (size >= min);
582
583 return 0;
584 }
585
586
587 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
588 u32 min)
589 {
590 int i;
591 for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
592 struct resource * root = socket->dev->bus->resource[i];
593 if (!root)
594 continue;
595
596 if ((res->flags ^ root->flags) &
597 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
598 continue; /* Wrong type */
599
600 if (yenta_search_one_res(root, res, min))
601 return 1;
602 }
603 return 0;
604 }
605
606 static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
607 {
608 struct resource *root, *res;
609 struct pci_bus_region region;
610 unsigned mask;
611
612 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr;
613 /* Already allocated? */
614 if (res->parent)
615 return;
616
617 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
618 mask = ~0xfff;
619 if (type & IORESOURCE_IO)
620 mask = ~3;
621
622 res->name = socket->dev->subordinate->name;
623 res->flags = type;
624
625 region.start = config_readl(socket, addr_start) & mask;
626 region.end = config_readl(socket, addr_end) | ~mask;
627 if (region.start && region.end > region.start && !override_bios) {
628 pcibios_bus_to_resource(socket->dev, res, &region);
629 root = pci_find_parent_resource(socket->dev, res);
630 if (root && (request_resource(root, res) == 0))
631 return;
632 printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n",
633 pci_name(socket->dev), nr);
634 }
635
636 if (type & IORESOURCE_IO) {
637 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
638 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
639 (yenta_search_res(socket, res, BRIDGE_IO_MIN))) {
640 config_writel(socket, addr_start, res->start);
641 config_writel(socket, addr_end, res->end);
642 return;
643 }
644 } else {
645 if (type & IORESOURCE_PREFETCH) {
646 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
647 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
648 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
649 config_writel(socket, addr_start, res->start);
650 config_writel(socket, addr_end, res->end);
651 return;
652 }
653 /* Approximating prefetchable by non-prefetchable */
654 res->flags = IORESOURCE_MEM;
655 }
656 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
657 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
658 (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) {
659 config_writel(socket, addr_start, res->start);
660 config_writel(socket, addr_end, res->end);
661 return;
662 }
663 }
664
665 printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n",
666 pci_name(socket->dev), type);
667 res->start = res->end = res->flags = 0;
668 }
669
670 /*
671 * Allocate the bridge mappings for the device..
672 */
673 static void yenta_allocate_resources(struct yenta_socket *socket)
674 {
675 yenta_allocate_res(socket, 0, IORESOURCE_IO,
676 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
677 yenta_allocate_res(socket, 1, IORESOURCE_IO,
678 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
679 yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
680 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
681 yenta_allocate_res(socket, 3, IORESOURCE_MEM,
682 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
683 }
684
685
686 /*
687 * Free the bridge mappings for the device..
688 */
689 static void yenta_free_resources(struct yenta_socket *socket)
690 {
691 int i;
692 for (i=0;i<4;i++) {
693 struct resource *res;
694 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
695 if (res->start != 0 && res->end != 0)
696 release_resource(res);
697 res->start = res->end = 0;
698 }
699 }
700
701
702 /*
703 * Close it down - release our resources and go home..
704 */
705 static void yenta_close(struct pci_dev *dev)
706 {
707 struct yenta_socket *sock = pci_get_drvdata(dev);
708
709 /* we don't want a dying socket registered */
710 pcmcia_unregister_socket(&sock->socket);
711
712 /* Disable all events so we don't die in an IRQ storm */
713 cb_writel(sock, CB_SOCKET_MASK, 0x0);
714 exca_writeb(sock, I365_CSCINT, 0);
715
716 if (sock->cb_irq)
717 free_irq(sock->cb_irq, sock);
718 else
719 del_timer_sync(&sock->poll_timer);
720
721 if (sock->base)
722 iounmap(sock->base);
723 yenta_free_resources(sock);
724
725 pci_release_regions(dev);
726 pci_disable_device(dev);
727 pci_set_drvdata(dev, NULL);
728 }
729
730
731 static struct pccard_operations yenta_socket_operations = {
732 .init = yenta_sock_init,
733 .suspend = yenta_sock_suspend,
734 .get_status = yenta_get_status,
735 .get_socket = yenta_get_socket,
736 .set_socket = yenta_set_socket,
737 .set_io_map = yenta_set_io_map,
738 .set_mem_map = yenta_set_mem_map,
739 };
740
741
742 #include "ti113x.h"
743 #include "ricoh.h"
744 #include "topic.h"
745 #include "o2micro.h"
746
747 enum {
748 CARDBUS_TYPE_DEFAULT = -1,
749 CARDBUS_TYPE_TI,
750 CARDBUS_TYPE_TI113X,
751 CARDBUS_TYPE_TI12XX,
752 CARDBUS_TYPE_TI1250,
753 CARDBUS_TYPE_RICOH,
754 CARDBUS_TYPE_TOPIC97,
755 CARDBUS_TYPE_O2MICRO,
756 };
757
758 /*
759 * Different cardbus controllers have slightly different
760 * initialization sequences etc details. List them here..
761 */
762 static struct cardbus_type cardbus_type[] = {
763 [CARDBUS_TYPE_TI] = {
764 .override = ti_override,
765 .save_state = ti_save_state,
766 .restore_state = ti_restore_state,
767 .sock_init = ti_init,
768 },
769 [CARDBUS_TYPE_TI113X] = {
770 .override = ti113x_override,
771 .save_state = ti_save_state,
772 .restore_state = ti_restore_state,
773 .sock_init = ti_init,
774 },
775 [CARDBUS_TYPE_TI12XX] = {
776 .override = ti12xx_override,
777 .save_state = ti_save_state,
778 .restore_state = ti_restore_state,
779 .sock_init = ti_init,
780 },
781 [CARDBUS_TYPE_TI1250] = {
782 .override = ti1250_override,
783 .save_state = ti_save_state,
784 .restore_state = ti_restore_state,
785 .sock_init = ti_init,
786 },
787 [CARDBUS_TYPE_RICOH] = {
788 .override = ricoh_override,
789 .save_state = ricoh_save_state,
790 .restore_state = ricoh_restore_state,
791 },
792 [CARDBUS_TYPE_TOPIC97] = {
793 .override = topic97_override,
794 },
795 [CARDBUS_TYPE_O2MICRO] = {
796 .override = o2micro_override,
797 .restore_state = o2micro_restore_state,
798 },
799 };
800
801
802 /*
803 * Only probe "regular" interrupts, don't
804 * touch dangerous spots like the mouse irq,
805 * because there are mice that apparently
806 * get really confused if they get fondled
807 * too intimately.
808 *
809 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
810 */
811 static u32 isa_interrupts = 0x0ef8;
812
813 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
814 {
815 int i;
816 unsigned long val;
817 u16 bridge_ctrl;
818 u32 mask;
819
820 /* Set up ISA irq routing to probe the ISA irqs.. */
821 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
822 if (!(bridge_ctrl & CB_BRIDGE_INTR)) {
823 bridge_ctrl |= CB_BRIDGE_INTR;
824 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
825 }
826
827 /*
828 * Probe for usable interrupts using the force
829 * register to generate bogus card status events.
830 */
831 cb_writel(socket, CB_SOCKET_EVENT, -1);
832 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
833 exca_writeb(socket, I365_CSCINT, 0);
834 val = probe_irq_on() & isa_irq_mask;
835 for (i = 1; i < 16; i++) {
836 if (!((val >> i) & 1))
837 continue;
838 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
839 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
840 udelay(100);
841 cb_writel(socket, CB_SOCKET_EVENT, -1);
842 }
843 cb_writel(socket, CB_SOCKET_MASK, 0);
844 exca_writeb(socket, I365_CSCINT, 0);
845
846 mask = probe_irq_mask(val) & 0xffff;
847
848 bridge_ctrl &= ~CB_BRIDGE_INTR;
849 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
850
851 return mask;
852 }
853
854
855 /* interrupt handler, only used during probing */
856 static irqreturn_t yenta_probe_handler(int irq, void *dev_id, struct pt_regs *regs)
857 {
858 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
859 u8 csc;
860 u32 cb_event;
861
862 /* Clear interrupt status for the event */
863 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
864 cb_writel(socket, CB_SOCKET_EVENT, -1);
865 csc = exca_readb(socket, I365_CSC);
866
867 if (cb_event || csc) {
868 socket->probe_status = 1;
869 return IRQ_HANDLED;
870 }
871
872 return IRQ_NONE;
873 }
874
875 /* probes the PCI interrupt, use only on override functions */
876 static int yenta_probe_cb_irq(struct yenta_socket *socket)
877 {
878 u16 bridge_ctrl;
879
880 if (!socket->cb_irq)
881 return -1;
882
883 socket->probe_status = 0;
884
885 /* disable ISA interrupts */
886 bridge_ctrl = config_readw(socket, CB_BRIDGE_CONTROL);
887 bridge_ctrl &= ~CB_BRIDGE_INTR;
888 config_writew(socket, CB_BRIDGE_CONTROL, bridge_ctrl);
889
890 if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) {
891 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
892 return -1;
893 }
894
895 /* generate interrupt, wait */
896 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
897 cb_writel(socket, CB_SOCKET_EVENT, -1);
898 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
899 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
900
901 msleep(100);
902
903 /* disable interrupts */
904 cb_writel(socket, CB_SOCKET_MASK, 0);
905 exca_writeb(socket, I365_CSCINT, 0);
906 cb_writel(socket, CB_SOCKET_EVENT, -1);
907 exca_readb(socket, I365_CSC);
908
909 free_irq(socket->cb_irq, socket);
910
911 return (int) socket->probe_status;
912 }
913
914
915
916 /*
917 * Set static data that doesn't need re-initializing..
918 */
919 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
920 {
921 socket->socket.pci_irq = socket->cb_irq;
922 if (isa_probe)
923 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
924 else
925 socket->socket.irq_mask = 0;
926
927 printk(KERN_INFO "Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n",
928 socket->socket.irq_mask, socket->cb_irq);
929 }
930
931 /*
932 * Initialize the standard cardbus registers
933 */
934 static void yenta_config_init(struct yenta_socket *socket)
935 {
936 u16 bridge;
937 struct pci_dev *dev = socket->dev;
938
939 pci_set_power_state(socket->dev, 0);
940
941 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
942 config_writel(socket, PCI_BASE_ADDRESS_0, dev->resource[0].start);
943 config_writew(socket, PCI_COMMAND,
944 PCI_COMMAND_IO |
945 PCI_COMMAND_MEMORY |
946 PCI_COMMAND_MASTER |
947 PCI_COMMAND_WAIT);
948
949 /* MAGIC NUMBERS! Fixme */
950 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
951 config_writeb(socket, PCI_LATENCY_TIMER, 168);
952 config_writel(socket, PCI_PRIMARY_BUS,
953 (176 << 24) | /* sec. latency timer */
954 (dev->subordinate->subordinate << 16) | /* subordinate bus */
955 (dev->subordinate->secondary << 8) | /* secondary bus */
956 dev->subordinate->primary); /* primary bus */
957
958 /*
959 * Set up the bridging state:
960 * - enable write posting.
961 * - memory window 0 prefetchable, window 1 non-prefetchable
962 * - PCI interrupts enabled if a PCI interrupt exists..
963 */
964 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
965 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_INTR | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
966 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN | CB_BRIDGE_INTR;
967 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
968 }
969
970 /*
971 * Initialize a cardbus controller. Make sure we have a usable
972 * interrupt, and that we can map the cardbus area. Fill in the
973 * socket information structure..
974 */
975 static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_id *id)
976 {
977 struct yenta_socket *socket;
978 int ret;
979
980 socket = kmalloc(sizeof(struct yenta_socket), GFP_KERNEL);
981 if (!socket)
982 return -ENOMEM;
983 memset(socket, 0, sizeof(*socket));
984
985 /* prepare pcmcia_socket */
986 socket->socket.ops = &yenta_socket_operations;
987 socket->socket.resource_ops = &pccard_nonstatic_ops;
988 socket->socket.dev.dev = &dev->dev;
989 socket->socket.driver_data = socket;
990 socket->socket.owner = THIS_MODULE;
991 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
992 socket->socket.map_size = 0x1000;
993 socket->socket.cb_dev = dev;
994
995 /* prepare struct yenta_socket */
996 socket->dev = dev;
997 pci_set_drvdata(dev, socket);
998
999 /*
1000 * Do some basic sanity checking..
1001 */
1002 if (pci_enable_device(dev)) {
1003 ret = -EBUSY;
1004 goto free;
1005 }
1006
1007 ret = pci_request_regions(dev, "yenta_socket");
1008 if (ret)
1009 goto disable;
1010
1011 if (!pci_resource_start(dev, 0)) {
1012 printk(KERN_ERR "No cardbus resource!\n");
1013 ret = -ENODEV;
1014 goto release;
1015 }
1016
1017 /*
1018 * Ok, start setup.. Map the cardbus registers,
1019 * and request the IRQ.
1020 */
1021 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1022 if (!socket->base) {
1023 ret = -ENOMEM;
1024 goto release;
1025 }
1026
1027 /*
1028 * report the subsystem vendor and device for help debugging
1029 * the irq stuff...
1030 */
1031 printk(KERN_INFO "Yenta: CardBus bridge found at %s [%04x:%04x]\n",
1032 pci_name(dev), dev->subsystem_vendor, dev->subsystem_device);
1033
1034 yenta_config_init(socket);
1035
1036 /* Disable all events */
1037 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1038
1039 /* Set up the bridge regions.. */
1040 yenta_allocate_resources(socket);
1041
1042 socket->cb_irq = dev->irq;
1043
1044 /* Do we have special options for the device? */
1045 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1046 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1047 socket->type = &cardbus_type[id->driver_data];
1048
1049 ret = socket->type->override(socket);
1050 if (ret < 0)
1051 goto unmap;
1052 }
1053
1054 /* We must finish initialization here */
1055
1056 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, SA_SHIRQ, "yenta", socket)) {
1057 /* No IRQ or request_irq failed. Poll */
1058 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1059 init_timer(&socket->poll_timer);
1060 socket->poll_timer.function = yenta_interrupt_wrapper;
1061 socket->poll_timer.data = (unsigned long)socket;
1062 socket->poll_timer.expires = jiffies + HZ;
1063 add_timer(&socket->poll_timer);
1064 printk(KERN_INFO "Yenta: no PCI IRQ, CardBus support disabled for this socket.\n"
1065 KERN_INFO "Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
1066 } else {
1067 socket->socket.features |= SS_CAP_CARDBUS;
1068 }
1069
1070 /* Figure out what the dang thing can do for the PCMCIA layer... */
1071 yenta_interrogate(socket);
1072 yenta_get_socket_capabilities(socket, isa_interrupts);
1073 printk(KERN_INFO "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1074
1075 /* Register it with the pcmcia layer.. */
1076 ret = pcmcia_register_socket(&socket->socket);
1077 if (ret == 0)
1078 goto out;
1079
1080 unmap:
1081 iounmap(socket->base);
1082 release:
1083 pci_release_regions(dev);
1084 disable:
1085 pci_disable_device(dev);
1086 free:
1087 kfree(socket);
1088 out:
1089 return ret;
1090 }
1091
1092
1093 static int yenta_dev_suspend (struct pci_dev *dev, pm_message_t state)
1094 {
1095 struct yenta_socket *socket = pci_get_drvdata(dev);
1096 int ret;
1097
1098 ret = pcmcia_socket_dev_suspend(&dev->dev, state);
1099
1100 if (socket) {
1101 if (socket->type && socket->type->save_state)
1102 socket->type->save_state(socket);
1103
1104 /* FIXME: pci_save_state needs to have a better interface */
1105 pci_save_state(dev);
1106 pci_read_config_dword(dev, 16*4, &socket->saved_state[0]);
1107 pci_read_config_dword(dev, 17*4, &socket->saved_state[1]);
1108 pci_disable_device(dev);
1109
1110 /*
1111 * Some laptops (IBM T22) do not like us putting the Cardbus
1112 * bridge into D3. At a guess, some other laptop will
1113 * probably require this, so leave it commented out for now.
1114 */
1115 /* pci_set_power_state(dev, 3); */
1116 }
1117
1118 return ret;
1119 }
1120
1121
1122 static int yenta_dev_resume (struct pci_dev *dev)
1123 {
1124 struct yenta_socket *socket = pci_get_drvdata(dev);
1125
1126 if (socket) {
1127 pci_set_power_state(dev, 0);
1128 /* FIXME: pci_restore_state needs to have a better interface */
1129 pci_restore_state(dev);
1130 pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
1131 pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
1132 pci_enable_device(dev);
1133 pci_set_master(dev);
1134
1135 if (socket->type && socket->type->restore_state)
1136 socket->type->restore_state(socket);
1137 }
1138
1139 return pcmcia_socket_dev_resume(&dev->dev);
1140 }
1141
1142
1143 #define CB_ID(vend,dev,type) \
1144 { \
1145 .vendor = vend, \
1146 .device = dev, \
1147 .subvendor = PCI_ANY_ID, \
1148 .subdevice = PCI_ANY_ID, \
1149 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1150 .class_mask = ~0, \
1151 .driver_data = CARDBUS_TYPE_##type, \
1152 }
1153
1154 static struct pci_device_id yenta_table [] = {
1155 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1156
1157 /*
1158 * TBD: Check if these TI variants can use more
1159 * advanced overrides instead. (I can't get the
1160 * data sheets for these devices. --rmk)
1161 */
1162 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1163
1164 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1165 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1166
1167 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1168 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1169 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1170 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1171 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1172 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1173 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1174 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1175 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1176 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1177 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1178 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1179 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1180 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1181 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1182 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1183 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1184
1185 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1186 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1187
1188 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, TI12XX),
1189 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, TI12XX),
1190 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, TI1250),
1191 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, TI12XX),
1192
1193 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1194 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1195 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1196 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1197 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1198
1199 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1200 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1201
1202 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1203
1204 /* match any cardbus bridge */
1205 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1206 { /* all zeroes */ }
1207 };
1208 MODULE_DEVICE_TABLE(pci, yenta_table);
1209
1210
1211 static struct pci_driver yenta_cardbus_driver = {
1212 .name = "yenta_cardbus",
1213 .id_table = yenta_table,
1214 .probe = yenta_probe,
1215 .remove = __devexit_p(yenta_close),
1216 .suspend = yenta_dev_suspend,
1217 .resume = yenta_dev_resume,
1218 };
1219
1220
1221 static int __init yenta_socket_init(void)
1222 {
1223 return pci_register_driver (&yenta_cardbus_driver);
1224 }
1225
1226
1227 static void __exit yenta_socket_exit (void)
1228 {
1229 pci_unregister_driver (&yenta_cardbus_driver);
1230 }
1231
1232
1233 module_init(yenta_socket_init);
1234 module_exit(yenta_socket_exit);
1235
1236 MODULE_LICENSE("GPL");
kernel-based virtual machine