2 * Regular cardbus driver ("yenta_socket")
4 * (C) Copyright 1999, 2000 Linus Torvalds
7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
8 * Dynamically adjust the size of the bridge resource
10 * May 2003: Dominik Brodowski <linux@brodo.de>
11 * Merge pci_socket.c and yenta.c into one file
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/workqueue.h>
16 #include <linux/interrupt.h>
17 #include <linux/delay.h>
18 #include <linux/module.h>
21 #include <pcmcia/cs_types.h>
22 #include <pcmcia/ss.h>
23 #include <pcmcia/cs.h>
25 #include "yenta_socket.h"
28 static int disable_clkrun;
29 module_param(disable_clkrun, bool, 0444);
30 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
32 static int isa_probe = 1;
33 module_param(isa_probe, bool, 0444);
34 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
36 static int pwr_irqs_off;
37 module_param(pwr_irqs_off, bool, 0644);
38 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
40 static char o2_speedup[] = "default";
41 module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
42 MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
43 "or 'default' (uses recommended behaviour for the detected bridge)");
45 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
48 #define to_cycles(ns) ((ns)/120)
49 #define to_ns(cycles) ((cycles)*120)
52 * yenta PCI irq probing.
53 * currently only used in the TI/EnE initialization code
55 #ifdef CONFIG_YENTA_TI
56 static int yenta_probe_cb_irq(struct yenta_socket *socket);
60 static unsigned int override_bios;
61 module_param(override_bios, uint, 0000);
62 MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
65 * Generate easy-to-use ways of reading a cardbus sockets
66 * regular memory space ("cb_xxx"), configuration space
67 * ("config_xxx") and compatibility space ("exca_xxxx")
69 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
71 u32 val = readl(socket->base + reg);
72 debug("%04x %08x\n", socket, reg, val);
76 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
78 debug("%04x %08x\n", socket, reg, val);
79 writel(val, socket->base + reg);
80 readl(socket->base + reg); /* avoid problems with PCI write posting */
83 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
86 pci_read_config_byte(socket->dev, offset, &val);
87 debug("%04x %02x\n", socket, offset, val);
91 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
94 pci_read_config_word(socket->dev, offset, &val);
95 debug("%04x %04x\n", socket, offset, val);
99 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
102 pci_read_config_dword(socket->dev, offset, &val);
103 debug("%04x %08x\n", socket, offset, val);
107 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
109 debug("%04x %02x\n", socket, offset, val);
110 pci_write_config_byte(socket->dev, offset, val);
113 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
115 debug("%04x %04x\n", socket, offset, val);
116 pci_write_config_word(socket->dev, offset, val);
119 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
121 debug("%04x %08x\n", socket, offset, val);
122 pci_write_config_dword(socket->dev, offset, val);
125 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
127 u8 val = readb(socket->base + 0x800 + reg);
128 debug("%04x %02x\n", socket, reg, val);
132 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
135 val = readb(socket->base + 0x800 + reg);
136 val |= readb(socket->base + 0x800 + reg + 1) << 8;
137 debug("%04x %04x\n", socket, reg, val);
141 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
143 debug("%04x %02x\n", socket, reg, val);
144 writeb(val, socket->base + 0x800 + reg);
145 readb(socket->base + 0x800 + reg); /* PCI write posting... */
148 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
150 debug("%04x %04x\n", socket, reg, val);
151 writeb(val, socket->base + 0x800 + reg);
152 writeb(val >> 8, socket->base + 0x800 + reg + 1);
154 /* PCI write posting... */
155 readb(socket->base + 0x800 + reg);
156 readb(socket->base + 0x800 + reg + 1);
159 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
161 struct pci_dev *dev = to_pci_dev(yentadev);
162 struct yenta_socket *socket = pci_get_drvdata(dev);
165 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
166 for (i = 0; i < 0x24; i += 4) {
169 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
170 val = cb_readl(socket, i);
171 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
174 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
175 for (i = 0; i < 0x45; i++) {
179 memcpy(buf + offset, " -", 2);
182 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
184 val = exca_readb(socket, i);
185 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
187 buf[offset++] = '\n';
191 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
194 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
195 * on what kind of card is inserted..
197 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
199 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
201 u32 state = cb_readl(socket, CB_SOCKET_STATE);
203 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
204 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
205 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
206 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
209 if (state & CB_CBCARD) {
211 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
212 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
213 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
214 } else if (state & CB_16BITCARD) {
215 u8 status = exca_readb(socket, I365_STATUS);
216 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
217 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
218 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
220 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
221 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
223 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
224 val |= (status & I365_CS_READY) ? SS_READY : 0;
225 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
232 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
234 /* some birdges require to use the ExCA registers to power 16bit cards */
235 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
236 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
238 reg = old = exca_readb(socket, I365_POWER);
239 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
241 /* i82365SL-DF style */
242 if (socket->flags & YENTA_16BIT_POWER_DF) {
243 switch (state->Vcc) {
254 switch (state->Vpp) {
260 reg |= I365_VPP1_12V;
264 /* i82365SL-B style */
265 switch (state->Vcc) {
273 switch (state->Vpp) {
275 reg |= I365_VPP1_5V | I365_VPP2_5V;
278 reg |= I365_VPP1_12V | I365_VPP2_12V;
284 exca_writeb(socket, I365_POWER, reg);
286 u32 reg = 0; /* CB_SC_STPCLK? */
287 switch (state->Vcc) {
298 switch (state->Vpp) {
306 reg |= CB_SC_VPP_12V;
309 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
310 cb_writel(socket, CB_SOCKET_CONTROL, reg);
314 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
316 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
319 /* if powering down: do it immediately */
321 yenta_set_power(socket, state);
323 socket->io_irq = state->io_irq;
324 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
325 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
327 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
329 /* ISA interrupt control? */
330 intr = exca_readb(socket, I365_INTCTL);
331 intr = (intr & ~0xf);
332 if (!socket->cb_irq) {
333 intr |= state->io_irq;
334 bridge |= CB_BRIDGE_INTR;
336 exca_writeb(socket, I365_INTCTL, intr);
340 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
341 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
342 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
343 if (state->io_irq != socket->cb_irq) {
344 reg |= state->io_irq;
345 bridge |= CB_BRIDGE_INTR;
347 exca_writeb(socket, I365_INTCTL, reg);
349 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
350 reg |= I365_PWR_NORESET;
351 if (state->flags & SS_PWR_AUTO)
352 reg |= I365_PWR_AUTO;
353 if (state->flags & SS_OUTPUT_ENA)
355 if (exca_readb(socket, I365_POWER) != reg)
356 exca_writeb(socket, I365_POWER, reg);
358 /* CSC interrupt: no ISA irq for CSC */
359 reg = I365_CSC_DETECT;
360 if (state->flags & SS_IOCARD) {
361 if (state->csc_mask & SS_STSCHG)
362 reg |= I365_CSC_STSCHG;
364 if (state->csc_mask & SS_BATDEAD)
365 reg |= I365_CSC_BVD1;
366 if (state->csc_mask & SS_BATWARN)
367 reg |= I365_CSC_BVD2;
368 if (state->csc_mask & SS_READY)
369 reg |= I365_CSC_READY;
371 exca_writeb(socket, I365_CSCINT, reg);
372 exca_readb(socket, I365_CSC);
373 if (sock->zoom_video)
374 sock->zoom_video(sock, state->flags & SS_ZVCARD);
376 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
377 /* Socket event mask: get card insert/remove events.. */
378 cb_writel(socket, CB_SOCKET_EVENT, -1);
379 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
381 /* if powering up: do it as the last step when the socket is configured */
383 yenta_set_power(socket, state);
387 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
389 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
391 unsigned char ioctl, addr, enable;
398 enable = I365_ENA_IO(map);
399 addr = exca_readb(socket, I365_ADDRWIN);
401 /* Disable the window before changing it.. */
404 exca_writeb(socket, I365_ADDRWIN, addr);
407 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
408 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
410 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
411 if (io->flags & MAP_0WS)
412 ioctl |= I365_IOCTL_0WS(map);
413 if (io->flags & MAP_16BIT)
414 ioctl |= I365_IOCTL_16BIT(map);
415 if (io->flags & MAP_AUTOSZ)
416 ioctl |= I365_IOCTL_IOCS16(map);
417 exca_writeb(socket, I365_IOCTL, ioctl);
419 if (io->flags & MAP_ACTIVE)
420 exca_writeb(socket, I365_ADDRWIN, addr | enable);
424 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
426 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
427 struct pci_bus_region region;
429 unsigned char addr, enable;
430 unsigned int start, stop, card_start;
433 pcibios_resource_to_bus(socket->dev, ®ion, mem->res);
436 start = region.start;
438 card_start = mem->card_start;
440 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
441 (card_start >> 26) || mem->speed > 1000)
444 enable = I365_ENA_MEM(map);
445 addr = exca_readb(socket, I365_ADDRWIN);
448 exca_writeb(socket, I365_ADDRWIN, addr);
451 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
453 word = (start >> 12) & 0x0fff;
454 if (mem->flags & MAP_16BIT)
455 word |= I365_MEM_16BIT;
456 if (mem->flags & MAP_0WS)
457 word |= I365_MEM_0WS;
458 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
460 word = (stop >> 12) & 0x0fff;
461 switch (to_cycles(mem->speed)) {
465 word |= I365_MEM_WS0;
468 word |= I365_MEM_WS1;
471 word |= I365_MEM_WS1 | I365_MEM_WS0;
474 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
476 word = ((card_start - start) >> 12) & 0x3fff;
477 if (mem->flags & MAP_WRPROT)
478 word |= I365_MEM_WRPROT;
479 if (mem->flags & MAP_ATTRIB)
480 word |= I365_MEM_REG;
481 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
483 if (mem->flags & MAP_ACTIVE)
484 exca_writeb(socket, I365_ADDRWIN, addr | enable);
490 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
493 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
497 /* Clear interrupt status for the event */
498 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
499 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
501 csc = exca_readb(socket, I365_CSC);
503 if (!(cb_event || csc))
506 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
507 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
508 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
509 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
511 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
512 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
513 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
517 pcmcia_parse_events(&socket->socket, events);
522 static void yenta_interrupt_wrapper(unsigned long data)
524 struct yenta_socket *socket = (struct yenta_socket *) data;
526 yenta_interrupt(0, (void *)socket);
527 socket->poll_timer.expires = jiffies + HZ;
528 add_timer(&socket->poll_timer);
531 static void yenta_clear_maps(struct yenta_socket *socket)
534 struct resource res = { .start = 0, .end = 0x0fff };
535 pccard_io_map io = { 0, 0, 0, 0, 1 };
536 pccard_mem_map mem = { .res = &res, };
538 yenta_set_socket(&socket->socket, &dead_socket);
539 for (i = 0; i < 2; i++) {
541 yenta_set_io_map(&socket->socket, &io);
543 for (i = 0; i < 5; i++) {
545 yenta_set_mem_map(&socket->socket, &mem);
549 /* redoes voltage interrogation if required */
550 static void yenta_interrogate(struct yenta_socket *socket)
554 state = cb_readl(socket, CB_SOCKET_STATE);
555 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
556 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
557 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
558 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
561 /* Called at resume and initialization events */
562 static int yenta_sock_init(struct pcmcia_socket *sock)
564 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
566 exca_writeb(socket, I365_GBLCTL, 0x00);
567 exca_writeb(socket, I365_GENCTL, 0x00);
569 /* Redo card voltage interrogation */
570 yenta_interrogate(socket);
572 yenta_clear_maps(socket);
574 if (socket->type && socket->type->sock_init)
575 socket->type->sock_init(socket);
577 /* Re-enable CSC interrupts */
578 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
583 static int yenta_sock_suspend(struct pcmcia_socket *sock)
585 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
587 /* Disable CSC interrupts */
588 cb_writel(socket, CB_SOCKET_MASK, 0x0);
594 * Use an adaptive allocation for the memory resource,
595 * sometimes the memory behind pci bridges is limited:
596 * 1/8 of the size of the io window of the parent.
597 * max 4 MB, min 16 kB. We try very hard to not get below
598 * the "ACC" values, though.
600 #define BRIDGE_MEM_MAX (4*1024*1024)
601 #define BRIDGE_MEM_ACC (128*1024)
602 #define BRIDGE_MEM_MIN (16*1024)
604 #define BRIDGE_IO_MAX 512
605 #define BRIDGE_IO_ACC 256
606 #define BRIDGE_IO_MIN 32
608 #ifndef PCIBIOS_MIN_CARDBUS_IO
609 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
612 static int yenta_search_one_res(struct resource *root, struct resource *res,
615 u32 align, size, start, end;
617 if (res->flags & IORESOURCE_IO) {
619 size = BRIDGE_IO_MAX;
620 start = PCIBIOS_MIN_CARDBUS_IO;
623 unsigned long avail = root->end - root->start;
625 size = BRIDGE_MEM_MAX;
626 if (size > avail/8) {
628 /* round size down to next power of 2 */
630 while ((size /= 2) != 0)
637 start = PCIBIOS_MIN_MEM;
642 if (allocate_resource(root, res, size, start, end, align,
648 } while (size >= min);
654 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
658 for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
659 struct resource *root = socket->dev->bus->resource[i];
663 if ((res->flags ^ root->flags) &
664 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
665 continue; /* Wrong type */
667 if (yenta_search_one_res(root, res, min))
673 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
675 struct pci_dev *dev = socket->dev;
676 struct resource *res;
677 struct pci_bus_region region;
680 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
681 /* Already allocated? */
685 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
687 if (type & IORESOURCE_IO)
690 res->name = dev->subordinate->name;
693 region.start = config_readl(socket, addr_start) & mask;
694 region.end = config_readl(socket, addr_end) | ~mask;
695 if (region.start && region.end > region.start && !override_bios) {
696 pcibios_bus_to_resource(dev, res, ®ion);
697 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
699 dev_printk(KERN_INFO, &dev->dev,
700 "Preassigned resource %d busy or not available, "
701 "reconfiguring...\n",
705 if (type & IORESOURCE_IO) {
706 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
707 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
708 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
711 if (type & IORESOURCE_PREFETCH) {
712 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
713 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
714 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
716 /* Approximating prefetchable by non-prefetchable */
717 res->flags = IORESOURCE_MEM;
719 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
720 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
721 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
725 dev_printk(KERN_INFO, &dev->dev,
726 "no resource of type %x available, trying to continue...\n",
728 res->start = res->end = res->flags = 0;
733 * Allocate the bridge mappings for the device..
735 static void yenta_allocate_resources(struct yenta_socket *socket)
738 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
739 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
740 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
741 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
742 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
743 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
744 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
745 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
747 pci_setup_cardbus(socket->dev->subordinate);
752 * Free the bridge mappings for the device..
754 static void yenta_free_resources(struct yenta_socket *socket)
757 for (i = 0; i < 4; i++) {
758 struct resource *res;
759 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
760 if (res->start != 0 && res->end != 0)
761 release_resource(res);
762 res->start = res->end = res->flags = 0;
768 * Close it down - release our resources and go home..
770 static void __devexit yenta_close(struct pci_dev *dev)
772 struct yenta_socket *sock = pci_get_drvdata(dev);
774 /* Remove the register attributes */
775 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
777 /* we don't want a dying socket registered */
778 pcmcia_unregister_socket(&sock->socket);
780 /* Disable all events so we don't die in an IRQ storm */
781 cb_writel(sock, CB_SOCKET_MASK, 0x0);
782 exca_writeb(sock, I365_CSCINT, 0);
785 free_irq(sock->cb_irq, sock);
787 del_timer_sync(&sock->poll_timer);
791 yenta_free_resources(sock);
793 pci_release_regions(dev);
794 pci_disable_device(dev);
795 pci_set_drvdata(dev, NULL);
799 static struct pccard_operations yenta_socket_operations = {
800 .init = yenta_sock_init,
801 .suspend = yenta_sock_suspend,
802 .get_status = yenta_get_status,
803 .set_socket = yenta_set_socket,
804 .set_io_map = yenta_set_io_map,
805 .set_mem_map = yenta_set_mem_map,
809 #ifdef CONFIG_YENTA_TI
812 #ifdef CONFIG_YENTA_RICOH
815 #ifdef CONFIG_YENTA_TOSHIBA
818 #ifdef CONFIG_YENTA_O2
823 CARDBUS_TYPE_DEFAULT = -1,
829 CARDBUS_TYPE_TOPIC95,
830 CARDBUS_TYPE_TOPIC97,
831 CARDBUS_TYPE_O2MICRO,
836 * Different cardbus controllers have slightly different
837 * initialization sequences etc details. List them here..
839 static struct cardbus_type cardbus_type[] = {
840 #ifdef CONFIG_YENTA_TI
841 [CARDBUS_TYPE_TI] = {
842 .override = ti_override,
843 .save_state = ti_save_state,
844 .restore_state = ti_restore_state,
845 .sock_init = ti_init,
847 [CARDBUS_TYPE_TI113X] = {
848 .override = ti113x_override,
849 .save_state = ti_save_state,
850 .restore_state = ti_restore_state,
851 .sock_init = ti_init,
853 [CARDBUS_TYPE_TI12XX] = {
854 .override = ti12xx_override,
855 .save_state = ti_save_state,
856 .restore_state = ti_restore_state,
857 .sock_init = ti_init,
859 [CARDBUS_TYPE_TI1250] = {
860 .override = ti1250_override,
861 .save_state = ti_save_state,
862 .restore_state = ti_restore_state,
863 .sock_init = ti_init,
866 #ifdef CONFIG_YENTA_RICOH
867 [CARDBUS_TYPE_RICOH] = {
868 .override = ricoh_override,
869 .save_state = ricoh_save_state,
870 .restore_state = ricoh_restore_state,
873 #ifdef CONFIG_YENTA_TOSHIBA
874 [CARDBUS_TYPE_TOPIC95] = {
875 .override = topic95_override,
877 [CARDBUS_TYPE_TOPIC97] = {
878 .override = topic97_override,
881 #ifdef CONFIG_YENTA_O2
882 [CARDBUS_TYPE_O2MICRO] = {
883 .override = o2micro_override,
884 .restore_state = o2micro_restore_state,
887 #ifdef CONFIG_YENTA_TI
888 [CARDBUS_TYPE_ENE] = {
889 .override = ene_override,
890 .save_state = ti_save_state,
891 .restore_state = ti_restore_state,
892 .sock_init = ti_init,
899 * Only probe "regular" interrupts, don't
900 * touch dangerous spots like the mouse irq,
901 * because there are mice that apparently
902 * get really confused if they get fondled
905 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
907 static u32 isa_interrupts = 0x0ef8;
909 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
916 * Probe for usable interrupts using the force
917 * register to generate bogus card status events.
919 cb_writel(socket, CB_SOCKET_EVENT, -1);
920 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
921 exca_writeb(socket, I365_CSCINT, 0);
922 val = probe_irq_on() & isa_irq_mask;
923 for (i = 1; i < 16; i++) {
924 if (!((val >> i) & 1))
926 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
927 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
929 cb_writel(socket, CB_SOCKET_EVENT, -1);
931 cb_writel(socket, CB_SOCKET_MASK, 0);
932 exca_writeb(socket, I365_CSCINT, 0);
934 mask = probe_irq_mask(val) & 0xffff;
941 * yenta PCI irq probing.
942 * currently only used in the TI/EnE initialization code
944 #ifdef CONFIG_YENTA_TI
946 /* interrupt handler, only used during probing */
947 static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
949 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
953 /* Clear interrupt status for the event */
954 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
955 cb_writel(socket, CB_SOCKET_EVENT, -1);
956 csc = exca_readb(socket, I365_CSC);
958 if (cb_event || csc) {
959 socket->probe_status = 1;
966 /* probes the PCI interrupt, use only on override functions */
967 static int yenta_probe_cb_irq(struct yenta_socket *socket)
972 socket->probe_status = 0;
974 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
975 dev_printk(KERN_WARNING, &socket->dev->dev,
976 "request_irq() in yenta_probe_cb_irq() failed!\n");
980 /* generate interrupt, wait */
981 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
982 cb_writel(socket, CB_SOCKET_EVENT, -1);
983 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
984 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
988 /* disable interrupts */
989 cb_writel(socket, CB_SOCKET_MASK, 0);
990 exca_writeb(socket, I365_CSCINT, 0);
991 cb_writel(socket, CB_SOCKET_EVENT, -1);
992 exca_readb(socket, I365_CSC);
994 free_irq(socket->cb_irq, socket);
996 return (int) socket->probe_status;
999 #endif /* CONFIG_YENTA_TI */
1003 * Set static data that doesn't need re-initializing..
1005 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1007 socket->socket.pci_irq = socket->cb_irq;
1009 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1011 socket->socket.irq_mask = 0;
1013 dev_printk(KERN_INFO, &socket->dev->dev,
1014 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1015 socket->socket.irq_mask, socket->cb_irq);
1019 * Initialize the standard cardbus registers
1021 static void yenta_config_init(struct yenta_socket *socket)
1024 struct pci_dev *dev = socket->dev;
1025 struct pci_bus_region region;
1027 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]);
1029 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1030 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1031 config_writew(socket, PCI_COMMAND,
1033 PCI_COMMAND_MEMORY |
1034 PCI_COMMAND_MASTER |
1037 /* MAGIC NUMBERS! Fixme */
1038 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1039 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1040 config_writel(socket, PCI_PRIMARY_BUS,
1041 (176 << 24) | /* sec. latency timer */
1042 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1043 (dev->subordinate->secondary << 8) | /* secondary bus */
1044 dev->subordinate->primary); /* primary bus */
1047 * Set up the bridging state:
1048 * - enable write posting.
1049 * - memory window 0 prefetchable, window 1 non-prefetchable
1050 * - PCI interrupts enabled if a PCI interrupt exists..
1052 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1053 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1054 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1055 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1059 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1060 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1062 * Checks if devices on the bus which the CardBus bridge bridges to would be
1063 * invisible during PCI scans because of a misconfigured subordinate number
1064 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1065 * Does the fixup carefully by checking how far it can go without conflicts.
1066 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1068 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1070 struct list_head *tmp;
1071 unsigned char upper_limit;
1073 * We only check and fix the parent bridge: All systems which need
1074 * this fixup that have been reviewed are laptops and the only bridge
1075 * which needed fixing was the parent bridge of the CardBus bridge:
1077 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1079 /* Check bus numbers are already set up correctly: */
1080 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1081 return; /* The subordinate number is ok, nothing to do */
1083 if (!bridge_to_fix->parent)
1084 return; /* Root bridges are ok */
1086 /* stay within the limits of the bus range of the parent: */
1087 upper_limit = bridge_to_fix->parent->subordinate;
1089 /* check the bus ranges of all silbling bridges to prevent overlap */
1090 list_for_each(tmp, &bridge_to_fix->parent->children) {
1091 struct pci_bus *silbling = pci_bus_b(tmp);
1093 * If the silbling has a higher secondary bus number
1094 * and it's secondary is equal or smaller than our
1095 * current upper limit, set the new upper limit to
1096 * the bus number below the silbling's range:
1098 if (silbling->secondary > bridge_to_fix->subordinate
1099 && silbling->secondary <= upper_limit)
1100 upper_limit = silbling->secondary - 1;
1103 /* Show that the wanted subordinate number is not possible: */
1104 if (cardbus_bridge->subordinate > upper_limit)
1105 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1106 "Upper limit for fixing this "
1107 "bridge's parent bridge: #%02x\n", upper_limit);
1109 /* If we have room to increase the bridge's subordinate number, */
1110 if (bridge_to_fix->subordinate < upper_limit) {
1112 /* use the highest number of the hidden bus, within limits */
1113 unsigned char subordinate_to_assign =
1114 min(cardbus_bridge->subordinate, upper_limit);
1116 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1117 "Raising subordinate bus# of parent "
1118 "bus (#%02x) from #%02x to #%02x\n",
1119 bridge_to_fix->number,
1120 bridge_to_fix->subordinate, subordinate_to_assign);
1122 /* Save the new subordinate in the bus struct of the bridge */
1123 bridge_to_fix->subordinate = subordinate_to_assign;
1125 /* and update the PCI config space with the new subordinate */
1126 pci_write_config_byte(bridge_to_fix->self,
1127 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1132 * Initialize a cardbus controller. Make sure we have a usable
1133 * interrupt, and that we can map the cardbus area. Fill in the
1134 * socket information structure..
1136 static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1138 struct yenta_socket *socket;
1142 * If we failed to assign proper bus numbers for this cardbus
1143 * controller during PCI probe, its subordinate pci_bus is NULL.
1146 if (!dev->subordinate) {
1147 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1148 "(try 'pci=assign-busses')\n");
1152 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1156 /* prepare pcmcia_socket */
1157 socket->socket.ops = ¥ta_socket_operations;
1158 socket->socket.resource_ops = &pccard_nonstatic_ops;
1159 socket->socket.dev.parent = &dev->dev;
1160 socket->socket.driver_data = socket;
1161 socket->socket.owner = THIS_MODULE;
1162 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1163 socket->socket.map_size = 0x1000;
1164 socket->socket.cb_dev = dev;
1166 /* prepare struct yenta_socket */
1168 pci_set_drvdata(dev, socket);
1171 * Do some basic sanity checking..
1173 if (pci_enable_device(dev)) {
1178 ret = pci_request_regions(dev, "yenta_socket");
1182 if (!pci_resource_start(dev, 0)) {
1183 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
1189 * Ok, start setup.. Map the cardbus registers,
1190 * and request the IRQ.
1192 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1193 if (!socket->base) {
1199 * report the subsystem vendor and device for help debugging
1202 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1203 dev->subsystem_vendor, dev->subsystem_device);
1205 yenta_config_init(socket);
1207 /* Disable all events */
1208 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1210 /* Set up the bridge regions.. */
1211 yenta_allocate_resources(socket);
1213 socket->cb_irq = dev->irq;
1215 /* Do we have special options for the device? */
1216 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1217 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1218 socket->type = &cardbus_type[id->driver_data];
1220 ret = socket->type->override(socket);
1225 /* We must finish initialization here */
1227 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1228 /* No IRQ or request_irq failed. Poll */
1229 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1230 init_timer(&socket->poll_timer);
1231 socket->poll_timer.function = yenta_interrupt_wrapper;
1232 socket->poll_timer.data = (unsigned long)socket;
1233 socket->poll_timer.expires = jiffies + HZ;
1234 add_timer(&socket->poll_timer);
1235 dev_printk(KERN_INFO, &dev->dev,
1236 "no PCI IRQ, CardBus support disabled for this "
1238 dev_printk(KERN_INFO, &dev->dev,
1239 "check your BIOS CardBus, BIOS IRQ or ACPI "
1242 socket->socket.features |= SS_CAP_CARDBUS;
1245 /* Figure out what the dang thing can do for the PCMCIA layer... */
1246 yenta_interrogate(socket);
1247 yenta_get_socket_capabilities(socket, isa_interrupts);
1248 dev_printk(KERN_INFO, &dev->dev,
1249 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1251 yenta_fixup_parent_bridge(dev->subordinate);
1253 /* Register it with the pcmcia layer.. */
1254 ret = pcmcia_register_socket(&socket->socket);
1256 /* Add the yenta register attributes */
1257 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1262 pcmcia_unregister_socket(&socket->socket);
1266 iounmap(socket->base);
1268 pci_release_regions(dev);
1270 pci_disable_device(dev);
1278 static int yenta_dev_suspend_noirq(struct device *dev)
1280 struct pci_dev *pdev = to_pci_dev(dev);
1281 struct yenta_socket *socket = pci_get_drvdata(pdev);
1284 ret = pcmcia_socket_dev_suspend(dev);
1289 if (socket->type && socket->type->save_state)
1290 socket->type->save_state(socket);
1292 pci_save_state(pdev);
1293 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1294 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1295 pci_disable_device(pdev);
1298 * Some laptops (IBM T22) do not like us putting the Cardbus
1299 * bridge into D3. At a guess, some other laptop will
1300 * probably require this, so leave it commented out for now.
1302 /* pci_set_power_state(dev, 3); */
1307 static int yenta_dev_resume_noirq(struct device *dev)
1309 struct pci_dev *pdev = to_pci_dev(dev);
1310 struct yenta_socket *socket = pci_get_drvdata(pdev);
1316 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1317 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1319 ret = pci_enable_device(pdev);
1323 pci_set_master(pdev);
1325 if (socket->type && socket->type->restore_state)
1326 socket->type->restore_state(socket);
1328 pcmcia_socket_dev_early_resume(dev);
1332 static int yenta_dev_resume(struct device *dev)
1334 pcmcia_socket_dev_late_resume(dev);
1338 static const struct dev_pm_ops yenta_pm_ops = {
1339 .suspend_noirq = yenta_dev_suspend_noirq,
1340 .resume_noirq = yenta_dev_resume_noirq,
1341 .resume = yenta_dev_resume,
1342 .freeze_noirq = yenta_dev_suspend_noirq,
1343 .thaw_noirq = yenta_dev_resume_noirq,
1344 .thaw = yenta_dev_resume,
1345 .poweroff_noirq = yenta_dev_suspend_noirq,
1346 .restore_noirq = yenta_dev_resume_noirq,
1347 .restore = yenta_dev_resume,
1350 #define YENTA_PM_OPS (¥ta_pm_ops)
1352 #define YENTA_PM_OPS NULL
1355 #define CB_ID(vend, dev, type) \
1359 .subvendor = PCI_ANY_ID, \
1360 .subdevice = PCI_ANY_ID, \
1361 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1363 .driver_data = CARDBUS_TYPE_##type, \
1366 static struct pci_device_id yenta_table[] = {
1367 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1370 * TBD: Check if these TI variants can use more
1371 * advanced overrides instead. (I can't get the
1372 * data sheets for these devices. --rmk)
1374 #ifdef CONFIG_YENTA_TI
1375 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1377 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1378 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1380 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1381 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1382 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1384 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1386 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1387 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1388 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1389 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1390 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1391 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1396 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1398 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1399 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1401 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1402 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
1403 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
1404 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1405 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1406 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1407 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1408 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1410 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX),
1411 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX),
1412 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX),
1413 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX),
1414 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1415 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1416 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1417 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
1418 #endif /* CONFIG_YENTA_TI */
1420 #ifdef CONFIG_YENTA_RICOH
1421 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1422 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1423 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1424 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1425 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1428 #ifdef CONFIG_YENTA_TOSHIBA
1429 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1430 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1431 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1434 #ifdef CONFIG_YENTA_O2
1435 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1438 /* match any cardbus bridge */
1439 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1440 { /* all zeroes */ }
1442 MODULE_DEVICE_TABLE(pci, yenta_table);
1445 static struct pci_driver yenta_cardbus_driver = {
1446 .name = "yenta_cardbus",
1447 .id_table = yenta_table,
1448 .probe = yenta_probe,
1449 .remove = __devexit_p(yenta_close),
1450 .driver.pm = YENTA_PM_OPS,
1454 static int __init yenta_socket_init(void)
1456 return pci_register_driver(¥ta_cardbus_driver);
1460 static void __exit yenta_socket_exit(void)
1462 pci_unregister_driver(¥ta_cardbus_driver);
1466 module_init(yenta_socket_init);
1467 module_exit(yenta_socket_exit);
1469 MODULE_LICENSE("GPL");