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>
20 #include <linux/slab.h>
22 #include <pcmcia/ss.h>
24 #include "yenta_socket.h"
27 static int disable_clkrun;
28 module_param(disable_clkrun, bool, 0444);
29 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
31 static int isa_probe = 1;
32 module_param(isa_probe, bool, 0444);
33 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
35 static int pwr_irqs_off;
36 module_param(pwr_irqs_off, bool, 0644);
37 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
39 static char o2_speedup[] = "default";
40 module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
41 MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
42 "or 'default' (uses recommended behaviour for the detected bridge)");
45 * Only probe "regular" interrupts, don't
46 * touch dangerous spots like the mouse irq,
47 * because there are mice that apparently
48 * get really confused if they get fondled
51 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
53 static u32 isa_interrupts = 0x0ef8;
56 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
59 #define to_cycles(ns) ((ns)/120)
60 #define to_ns(cycles) ((cycles)*120)
63 * yenta PCI irq probing.
64 * currently only used in the TI/EnE initialization code
66 #ifdef CONFIG_YENTA_TI
67 static int yenta_probe_cb_irq(struct yenta_socket *socket);
68 static unsigned int yenta_probe_irq(struct yenta_socket *socket,
73 static unsigned int override_bios;
74 module_param(override_bios, uint, 0000);
75 MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
78 * Generate easy-to-use ways of reading a cardbus sockets
79 * regular memory space ("cb_xxx"), configuration space
80 * ("config_xxx") and compatibility space ("exca_xxxx")
82 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
84 u32 val = readl(socket->base + reg);
85 debug("%04x %08x\n", socket, reg, val);
89 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
91 debug("%04x %08x\n", socket, reg, val);
92 writel(val, socket->base + reg);
93 readl(socket->base + reg); /* avoid problems with PCI write posting */
96 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
99 pci_read_config_byte(socket->dev, offset, &val);
100 debug("%04x %02x\n", socket, offset, val);
104 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
107 pci_read_config_word(socket->dev, offset, &val);
108 debug("%04x %04x\n", socket, offset, val);
112 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
115 pci_read_config_dword(socket->dev, offset, &val);
116 debug("%04x %08x\n", socket, offset, val);
120 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
122 debug("%04x %02x\n", socket, offset, val);
123 pci_write_config_byte(socket->dev, offset, val);
126 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
128 debug("%04x %04x\n", socket, offset, val);
129 pci_write_config_word(socket->dev, offset, val);
132 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
134 debug("%04x %08x\n", socket, offset, val);
135 pci_write_config_dword(socket->dev, offset, val);
138 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
140 u8 val = readb(socket->base + 0x800 + reg);
141 debug("%04x %02x\n", socket, reg, val);
145 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
148 val = readb(socket->base + 0x800 + reg);
149 val |= readb(socket->base + 0x800 + reg + 1) << 8;
150 debug("%04x %04x\n", socket, reg, val);
154 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
156 debug("%04x %02x\n", socket, reg, val);
157 writeb(val, socket->base + 0x800 + reg);
158 readb(socket->base + 0x800 + reg); /* PCI write posting... */
161 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
163 debug("%04x %04x\n", socket, reg, val);
164 writeb(val, socket->base + 0x800 + reg);
165 writeb(val >> 8, socket->base + 0x800 + reg + 1);
167 /* PCI write posting... */
168 readb(socket->base + 0x800 + reg);
169 readb(socket->base + 0x800 + reg + 1);
172 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
174 struct pci_dev *dev = to_pci_dev(yentadev);
175 struct yenta_socket *socket = pci_get_drvdata(dev);
178 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
179 for (i = 0; i < 0x24; i += 4) {
182 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
183 val = cb_readl(socket, i);
184 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
187 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
188 for (i = 0; i < 0x45; i++) {
192 memcpy(buf + offset, " -", 2);
195 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
197 val = exca_readb(socket, i);
198 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
200 buf[offset++] = '\n';
204 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
207 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
208 * on what kind of card is inserted..
210 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
212 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
214 u32 state = cb_readl(socket, CB_SOCKET_STATE);
216 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
217 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
218 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
219 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
222 if (state & CB_CBCARD) {
224 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
225 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
226 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
227 } else if (state & CB_16BITCARD) {
228 u8 status = exca_readb(socket, I365_STATUS);
229 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
230 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
231 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
233 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
234 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
236 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
237 val |= (status & I365_CS_READY) ? SS_READY : 0;
238 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
245 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
247 /* some birdges require to use the ExCA registers to power 16bit cards */
248 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
249 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
251 reg = old = exca_readb(socket, I365_POWER);
252 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
254 /* i82365SL-DF style */
255 if (socket->flags & YENTA_16BIT_POWER_DF) {
256 switch (state->Vcc) {
267 switch (state->Vpp) {
273 reg |= I365_VPP1_12V;
277 /* i82365SL-B style */
278 switch (state->Vcc) {
286 switch (state->Vpp) {
288 reg |= I365_VPP1_5V | I365_VPP2_5V;
291 reg |= I365_VPP1_12V | I365_VPP2_12V;
297 exca_writeb(socket, I365_POWER, reg);
299 u32 reg = 0; /* CB_SC_STPCLK? */
300 switch (state->Vcc) {
311 switch (state->Vpp) {
319 reg |= CB_SC_VPP_12V;
322 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
323 cb_writel(socket, CB_SOCKET_CONTROL, reg);
327 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
329 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
332 /* if powering down: do it immediately */
334 yenta_set_power(socket, state);
336 socket->io_irq = state->io_irq;
337 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
338 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
340 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
342 /* ISA interrupt control? */
343 intr = exca_readb(socket, I365_INTCTL);
344 intr = (intr & ~0xf);
345 if (!socket->dev->irq) {
346 intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
347 bridge |= CB_BRIDGE_INTR;
349 exca_writeb(socket, I365_INTCTL, intr);
353 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
354 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
355 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
356 if (state->io_irq != socket->dev->irq) {
357 reg |= state->io_irq;
358 bridge |= CB_BRIDGE_INTR;
360 exca_writeb(socket, I365_INTCTL, reg);
362 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
363 reg |= I365_PWR_NORESET;
364 if (state->flags & SS_PWR_AUTO)
365 reg |= I365_PWR_AUTO;
366 if (state->flags & SS_OUTPUT_ENA)
368 if (exca_readb(socket, I365_POWER) != reg)
369 exca_writeb(socket, I365_POWER, reg);
371 /* CSC interrupt: no ISA irq for CSC */
372 reg = exca_readb(socket, I365_CSCINT);
373 reg &= I365_CSC_IRQ_MASK;
374 reg |= I365_CSC_DETECT;
375 if (state->flags & SS_IOCARD) {
376 if (state->csc_mask & SS_STSCHG)
377 reg |= I365_CSC_STSCHG;
379 if (state->csc_mask & SS_BATDEAD)
380 reg |= I365_CSC_BVD1;
381 if (state->csc_mask & SS_BATWARN)
382 reg |= I365_CSC_BVD2;
383 if (state->csc_mask & SS_READY)
384 reg |= I365_CSC_READY;
386 exca_writeb(socket, I365_CSCINT, reg);
387 exca_readb(socket, I365_CSC);
388 if (sock->zoom_video)
389 sock->zoom_video(sock, state->flags & SS_ZVCARD);
391 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
392 /* Socket event mask: get card insert/remove events.. */
393 cb_writel(socket, CB_SOCKET_EVENT, -1);
394 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
396 /* if powering up: do it as the last step when the socket is configured */
398 yenta_set_power(socket, state);
402 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
404 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
406 unsigned char ioctl, addr, enable;
413 enable = I365_ENA_IO(map);
414 addr = exca_readb(socket, I365_ADDRWIN);
416 /* Disable the window before changing it.. */
419 exca_writeb(socket, I365_ADDRWIN, addr);
422 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
423 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
425 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
426 if (io->flags & MAP_0WS)
427 ioctl |= I365_IOCTL_0WS(map);
428 if (io->flags & MAP_16BIT)
429 ioctl |= I365_IOCTL_16BIT(map);
430 if (io->flags & MAP_AUTOSZ)
431 ioctl |= I365_IOCTL_IOCS16(map);
432 exca_writeb(socket, I365_IOCTL, ioctl);
434 if (io->flags & MAP_ACTIVE)
435 exca_writeb(socket, I365_ADDRWIN, addr | enable);
439 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
441 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
442 struct pci_bus_region region;
444 unsigned char addr, enable;
445 unsigned int start, stop, card_start;
448 pcibios_resource_to_bus(socket->dev, ®ion, mem->res);
451 start = region.start;
453 card_start = mem->card_start;
455 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
456 (card_start >> 26) || mem->speed > 1000)
459 enable = I365_ENA_MEM(map);
460 addr = exca_readb(socket, I365_ADDRWIN);
463 exca_writeb(socket, I365_ADDRWIN, addr);
466 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
468 word = (start >> 12) & 0x0fff;
469 if (mem->flags & MAP_16BIT)
470 word |= I365_MEM_16BIT;
471 if (mem->flags & MAP_0WS)
472 word |= I365_MEM_0WS;
473 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
475 word = (stop >> 12) & 0x0fff;
476 switch (to_cycles(mem->speed)) {
480 word |= I365_MEM_WS0;
483 word |= I365_MEM_WS1;
486 word |= I365_MEM_WS1 | I365_MEM_WS0;
489 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
491 word = ((card_start - start) >> 12) & 0x3fff;
492 if (mem->flags & MAP_WRPROT)
493 word |= I365_MEM_WRPROT;
494 if (mem->flags & MAP_ATTRIB)
495 word |= I365_MEM_REG;
496 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
498 if (mem->flags & MAP_ACTIVE)
499 exca_writeb(socket, I365_ADDRWIN, addr | enable);
505 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
508 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
512 /* Clear interrupt status for the event */
513 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
514 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
516 csc = exca_readb(socket, I365_CSC);
518 if (!(cb_event || csc))
521 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
522 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
523 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
524 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
526 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
527 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
528 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
532 pcmcia_parse_events(&socket->socket, events);
537 static void yenta_interrupt_wrapper(unsigned long data)
539 struct yenta_socket *socket = (struct yenta_socket *) data;
541 yenta_interrupt(0, (void *)socket);
542 socket->poll_timer.expires = jiffies + HZ;
543 add_timer(&socket->poll_timer);
546 static void yenta_clear_maps(struct yenta_socket *socket)
549 struct resource res = { .start = 0, .end = 0x0fff };
550 pccard_io_map io = { 0, 0, 0, 0, 1 };
551 pccard_mem_map mem = { .res = &res, };
553 yenta_set_socket(&socket->socket, &dead_socket);
554 for (i = 0; i < 2; i++) {
556 yenta_set_io_map(&socket->socket, &io);
558 for (i = 0; i < 5; i++) {
560 yenta_set_mem_map(&socket->socket, &mem);
564 /* redoes voltage interrogation if required */
565 static void yenta_interrogate(struct yenta_socket *socket)
569 state = cb_readl(socket, CB_SOCKET_STATE);
570 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
571 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
572 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
573 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
576 /* Called at resume and initialization events */
577 static int yenta_sock_init(struct pcmcia_socket *sock)
579 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
581 exca_writeb(socket, I365_GBLCTL, 0x00);
582 exca_writeb(socket, I365_GENCTL, 0x00);
584 /* Redo card voltage interrogation */
585 yenta_interrogate(socket);
587 yenta_clear_maps(socket);
589 if (socket->type && socket->type->sock_init)
590 socket->type->sock_init(socket);
592 /* Re-enable CSC interrupts */
593 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
598 static int yenta_sock_suspend(struct pcmcia_socket *sock)
600 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
602 /* Disable CSC interrupts */
603 cb_writel(socket, CB_SOCKET_MASK, 0x0);
609 * Use an adaptive allocation for the memory resource,
610 * sometimes the memory behind pci bridges is limited:
611 * 1/8 of the size of the io window of the parent.
612 * max 4 MB, min 16 kB. We try very hard to not get below
613 * the "ACC" values, though.
615 #define BRIDGE_MEM_MAX (4*1024*1024)
616 #define BRIDGE_MEM_ACC (128*1024)
617 #define BRIDGE_MEM_MIN (16*1024)
619 #define BRIDGE_IO_MAX 512
620 #define BRIDGE_IO_ACC 256
621 #define BRIDGE_IO_MIN 32
623 #ifndef PCIBIOS_MIN_CARDBUS_IO
624 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
627 static int yenta_search_one_res(struct resource *root, struct resource *res,
630 u32 align, size, start, end;
632 if (res->flags & IORESOURCE_IO) {
634 size = BRIDGE_IO_MAX;
635 start = PCIBIOS_MIN_CARDBUS_IO;
638 unsigned long avail = root->end - root->start;
640 size = BRIDGE_MEM_MAX;
641 if (size > avail/8) {
643 /* round size down to next power of 2 */
645 while ((size /= 2) != 0)
652 start = PCIBIOS_MIN_MEM;
657 if (allocate_resource(root, res, size, start, end, align,
663 } while (size >= min);
669 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
672 struct resource *root;
675 pci_bus_for_each_resource(socket->dev->bus, root, i) {
679 if ((res->flags ^ root->flags) &
680 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
681 continue; /* Wrong type */
683 if (yenta_search_one_res(root, res, min))
689 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
691 struct pci_dev *dev = socket->dev;
692 struct resource *res;
693 struct pci_bus_region region;
696 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
697 /* Already allocated? */
701 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
703 if (type & IORESOURCE_IO)
706 res->name = dev->subordinate->name;
709 region.start = config_readl(socket, addr_start) & mask;
710 region.end = config_readl(socket, addr_end) | ~mask;
711 if (region.start && region.end > region.start && !override_bios) {
712 pcibios_bus_to_resource(dev, res, ®ion);
713 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
715 dev_printk(KERN_INFO, &dev->dev,
716 "Preassigned resource %d busy or not available, "
717 "reconfiguring...\n",
721 if (type & IORESOURCE_IO) {
722 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
723 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
724 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
727 if (type & IORESOURCE_PREFETCH) {
728 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
729 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
730 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
732 /* Approximating prefetchable by non-prefetchable */
733 res->flags = IORESOURCE_MEM;
735 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
736 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
737 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
741 dev_printk(KERN_INFO, &dev->dev,
742 "no resource of type %x available, trying to continue...\n",
744 res->start = res->end = res->flags = 0;
749 * Allocate the bridge mappings for the device..
751 static void yenta_allocate_resources(struct yenta_socket *socket)
754 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
755 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
756 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
757 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
758 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
759 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
760 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
761 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
763 pci_setup_cardbus(socket->dev->subordinate);
768 * Free the bridge mappings for the device..
770 static void yenta_free_resources(struct yenta_socket *socket)
773 for (i = 0; i < 4; i++) {
774 struct resource *res;
775 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
776 if (res->start != 0 && res->end != 0)
777 release_resource(res);
778 res->start = res->end = res->flags = 0;
784 * Close it down - release our resources and go home..
786 static void __devexit yenta_close(struct pci_dev *dev)
788 struct yenta_socket *sock = pci_get_drvdata(dev);
790 /* Remove the register attributes */
791 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
793 /* we don't want a dying socket registered */
794 pcmcia_unregister_socket(&sock->socket);
796 /* Disable all events so we don't die in an IRQ storm */
797 cb_writel(sock, CB_SOCKET_MASK, 0x0);
798 exca_writeb(sock, I365_CSCINT, 0);
801 free_irq(sock->cb_irq, sock);
803 del_timer_sync(&sock->poll_timer);
807 yenta_free_resources(sock);
809 pci_release_regions(dev);
810 pci_disable_device(dev);
811 pci_set_drvdata(dev, NULL);
815 static struct pccard_operations yenta_socket_operations = {
816 .init = yenta_sock_init,
817 .suspend = yenta_sock_suspend,
818 .get_status = yenta_get_status,
819 .set_socket = yenta_set_socket,
820 .set_io_map = yenta_set_io_map,
821 .set_mem_map = yenta_set_mem_map,
825 #ifdef CONFIG_YENTA_TI
828 #ifdef CONFIG_YENTA_RICOH
831 #ifdef CONFIG_YENTA_TOSHIBA
834 #ifdef CONFIG_YENTA_O2
839 CARDBUS_TYPE_DEFAULT = -1,
845 CARDBUS_TYPE_TOPIC95,
846 CARDBUS_TYPE_TOPIC97,
847 CARDBUS_TYPE_O2MICRO,
852 * Different cardbus controllers have slightly different
853 * initialization sequences etc details. List them here..
855 static struct cardbus_type cardbus_type[] = {
856 #ifdef CONFIG_YENTA_TI
857 [CARDBUS_TYPE_TI] = {
858 .override = ti_override,
859 .save_state = ti_save_state,
860 .restore_state = ti_restore_state,
861 .sock_init = ti_init,
863 [CARDBUS_TYPE_TI113X] = {
864 .override = ti113x_override,
865 .save_state = ti_save_state,
866 .restore_state = ti_restore_state,
867 .sock_init = ti_init,
869 [CARDBUS_TYPE_TI12XX] = {
870 .override = ti12xx_override,
871 .save_state = ti_save_state,
872 .restore_state = ti_restore_state,
873 .sock_init = ti_init,
875 [CARDBUS_TYPE_TI1250] = {
876 .override = ti1250_override,
877 .save_state = ti_save_state,
878 .restore_state = ti_restore_state,
879 .sock_init = ti_init,
881 [CARDBUS_TYPE_ENE] = {
882 .override = ene_override,
883 .save_state = ti_save_state,
884 .restore_state = ti_restore_state,
885 .sock_init = ti_init,
888 #ifdef CONFIG_YENTA_RICOH
889 [CARDBUS_TYPE_RICOH] = {
890 .override = ricoh_override,
891 .save_state = ricoh_save_state,
892 .restore_state = ricoh_restore_state,
895 #ifdef CONFIG_YENTA_TOSHIBA
896 [CARDBUS_TYPE_TOPIC95] = {
897 .override = topic95_override,
899 [CARDBUS_TYPE_TOPIC97] = {
900 .override = topic97_override,
903 #ifdef CONFIG_YENTA_O2
904 [CARDBUS_TYPE_O2MICRO] = {
905 .override = o2micro_override,
906 .restore_state = o2micro_restore_state,
912 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
920 * Probe for usable interrupts using the force
921 * register to generate bogus card status events.
923 cb_writel(socket, CB_SOCKET_EVENT, -1);
924 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
925 reg = exca_readb(socket, I365_CSCINT);
926 exca_writeb(socket, I365_CSCINT, 0);
927 val = probe_irq_on() & isa_irq_mask;
928 for (i = 1; i < 16; i++) {
929 if (!((val >> i) & 1))
931 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
932 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
934 cb_writel(socket, CB_SOCKET_EVENT, -1);
936 cb_writel(socket, CB_SOCKET_MASK, 0);
937 exca_writeb(socket, I365_CSCINT, reg);
939 mask = probe_irq_mask(val) & 0xffff;
946 * yenta PCI irq probing.
947 * currently only used in the TI/EnE initialization code
949 #ifdef CONFIG_YENTA_TI
951 /* interrupt handler, only used during probing */
952 static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
954 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
958 /* Clear interrupt status for the event */
959 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
960 cb_writel(socket, CB_SOCKET_EVENT, -1);
961 csc = exca_readb(socket, I365_CSC);
963 if (cb_event || csc) {
964 socket->probe_status = 1;
971 /* probes the PCI interrupt, use only on override functions */
972 static int yenta_probe_cb_irq(struct yenta_socket *socket)
979 socket->probe_status = 0;
981 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
982 dev_printk(KERN_WARNING, &socket->dev->dev,
983 "request_irq() in yenta_probe_cb_irq() failed!\n");
987 /* generate interrupt, wait */
988 if (!socket->dev->irq)
989 reg = exca_readb(socket, I365_CSCINT);
990 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
991 cb_writel(socket, CB_SOCKET_EVENT, -1);
992 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
993 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
997 /* disable interrupts */
998 cb_writel(socket, CB_SOCKET_MASK, 0);
999 exca_writeb(socket, I365_CSCINT, reg);
1000 cb_writel(socket, CB_SOCKET_EVENT, -1);
1001 exca_readb(socket, I365_CSC);
1003 free_irq(socket->cb_irq, socket);
1005 return (int) socket->probe_status;
1008 #endif /* CONFIG_YENTA_TI */
1012 * Set static data that doesn't need re-initializing..
1014 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1016 socket->socket.pci_irq = socket->cb_irq;
1018 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1020 socket->socket.irq_mask = 0;
1022 dev_printk(KERN_INFO, &socket->dev->dev,
1023 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1024 socket->socket.irq_mask, socket->cb_irq);
1028 * Initialize the standard cardbus registers
1030 static void yenta_config_init(struct yenta_socket *socket)
1033 struct pci_dev *dev = socket->dev;
1034 struct pci_bus_region region;
1036 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]);
1038 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1039 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1040 config_writew(socket, PCI_COMMAND,
1042 PCI_COMMAND_MEMORY |
1043 PCI_COMMAND_MASTER |
1046 /* MAGIC NUMBERS! Fixme */
1047 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1048 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1049 config_writel(socket, PCI_PRIMARY_BUS,
1050 (176 << 24) | /* sec. latency timer */
1051 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1052 (dev->subordinate->secondary << 8) | /* secondary bus */
1053 dev->subordinate->primary); /* primary bus */
1056 * Set up the bridging state:
1057 * - enable write posting.
1058 * - memory window 0 prefetchable, window 1 non-prefetchable
1059 * - PCI interrupts enabled if a PCI interrupt exists..
1061 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1062 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1063 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1064 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1068 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1069 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1071 * Checks if devices on the bus which the CardBus bridge bridges to would be
1072 * invisible during PCI scans because of a misconfigured subordinate number
1073 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1074 * Does the fixup carefully by checking how far it can go without conflicts.
1075 * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1077 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1079 struct list_head *tmp;
1080 unsigned char upper_limit;
1082 * We only check and fix the parent bridge: All systems which need
1083 * this fixup that have been reviewed are laptops and the only bridge
1084 * which needed fixing was the parent bridge of the CardBus bridge:
1086 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1088 /* Check bus numbers are already set up correctly: */
1089 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1090 return; /* The subordinate number is ok, nothing to do */
1092 if (!bridge_to_fix->parent)
1093 return; /* Root bridges are ok */
1095 /* stay within the limits of the bus range of the parent: */
1096 upper_limit = bridge_to_fix->parent->subordinate;
1098 /* check the bus ranges of all silbling bridges to prevent overlap */
1099 list_for_each(tmp, &bridge_to_fix->parent->children) {
1100 struct pci_bus *silbling = pci_bus_b(tmp);
1102 * If the silbling has a higher secondary bus number
1103 * and it's secondary is equal or smaller than our
1104 * current upper limit, set the new upper limit to
1105 * the bus number below the silbling's range:
1107 if (silbling->secondary > bridge_to_fix->subordinate
1108 && silbling->secondary <= upper_limit)
1109 upper_limit = silbling->secondary - 1;
1112 /* Show that the wanted subordinate number is not possible: */
1113 if (cardbus_bridge->subordinate > upper_limit)
1114 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1115 "Upper limit for fixing this "
1116 "bridge's parent bridge: #%02x\n", upper_limit);
1118 /* If we have room to increase the bridge's subordinate number, */
1119 if (bridge_to_fix->subordinate < upper_limit) {
1121 /* use the highest number of the hidden bus, within limits */
1122 unsigned char subordinate_to_assign =
1123 min(cardbus_bridge->subordinate, upper_limit);
1125 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1126 "Raising subordinate bus# of parent "
1127 "bus (#%02x) from #%02x to #%02x\n",
1128 bridge_to_fix->number,
1129 bridge_to_fix->subordinate, subordinate_to_assign);
1131 /* Save the new subordinate in the bus struct of the bridge */
1132 bridge_to_fix->subordinate = subordinate_to_assign;
1134 /* and update the PCI config space with the new subordinate */
1135 pci_write_config_byte(bridge_to_fix->self,
1136 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1141 * Initialize a cardbus controller. Make sure we have a usable
1142 * interrupt, and that we can map the cardbus area. Fill in the
1143 * socket information structure..
1145 static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1147 struct yenta_socket *socket;
1151 * If we failed to assign proper bus numbers for this cardbus
1152 * controller during PCI probe, its subordinate pci_bus is NULL.
1155 if (!dev->subordinate) {
1156 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1157 "(try 'pci=assign-busses')\n");
1161 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1165 /* prepare pcmcia_socket */
1166 socket->socket.ops = ¥ta_socket_operations;
1167 socket->socket.resource_ops = &pccard_nonstatic_ops;
1168 socket->socket.dev.parent = &dev->dev;
1169 socket->socket.driver_data = socket;
1170 socket->socket.owner = THIS_MODULE;
1171 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1172 socket->socket.map_size = 0x1000;
1173 socket->socket.cb_dev = dev;
1175 /* prepare struct yenta_socket */
1177 pci_set_drvdata(dev, socket);
1180 * Do some basic sanity checking..
1182 if (pci_enable_device(dev)) {
1187 ret = pci_request_regions(dev, "yenta_socket");
1191 if (!pci_resource_start(dev, 0)) {
1192 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
1198 * Ok, start setup.. Map the cardbus registers,
1199 * and request the IRQ.
1201 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1202 if (!socket->base) {
1208 * report the subsystem vendor and device for help debugging
1211 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1212 dev->subsystem_vendor, dev->subsystem_device);
1214 yenta_config_init(socket);
1216 /* Disable all events */
1217 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1219 /* Set up the bridge regions.. */
1220 yenta_allocate_resources(socket);
1222 socket->cb_irq = dev->irq;
1224 /* Do we have special options for the device? */
1225 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1226 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1227 socket->type = &cardbus_type[id->driver_data];
1229 ret = socket->type->override(socket);
1234 /* We must finish initialization here */
1236 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1237 /* No IRQ or request_irq failed. Poll */
1238 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1239 init_timer(&socket->poll_timer);
1240 socket->poll_timer.function = yenta_interrupt_wrapper;
1241 socket->poll_timer.data = (unsigned long)socket;
1242 socket->poll_timer.expires = jiffies + HZ;
1243 add_timer(&socket->poll_timer);
1244 dev_printk(KERN_INFO, &dev->dev,
1245 "no PCI IRQ, CardBus support disabled for this "
1247 dev_printk(KERN_INFO, &dev->dev,
1248 "check your BIOS CardBus, BIOS IRQ or ACPI "
1251 socket->socket.features |= SS_CAP_CARDBUS;
1254 /* Figure out what the dang thing can do for the PCMCIA layer... */
1255 yenta_interrogate(socket);
1256 yenta_get_socket_capabilities(socket, isa_interrupts);
1257 dev_printk(KERN_INFO, &dev->dev,
1258 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1260 yenta_fixup_parent_bridge(dev->subordinate);
1262 /* Register it with the pcmcia layer.. */
1263 ret = pcmcia_register_socket(&socket->socket);
1265 /* Add the yenta register attributes */
1266 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1271 pcmcia_unregister_socket(&socket->socket);
1275 iounmap(socket->base);
1277 pci_release_regions(dev);
1279 pci_disable_device(dev);
1287 static int yenta_dev_suspend_noirq(struct device *dev)
1289 struct pci_dev *pdev = to_pci_dev(dev);
1290 struct yenta_socket *socket = pci_get_drvdata(pdev);
1295 if (socket->type && socket->type->save_state)
1296 socket->type->save_state(socket);
1298 pci_save_state(pdev);
1299 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1300 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1301 pci_disable_device(pdev);
1306 static int yenta_dev_resume_noirq(struct device *dev)
1308 struct pci_dev *pdev = to_pci_dev(dev);
1309 struct yenta_socket *socket = pci_get_drvdata(pdev);
1315 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1316 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1318 ret = pci_enable_device(pdev);
1322 pci_set_master(pdev);
1324 if (socket->type && socket->type->restore_state)
1325 socket->type->restore_state(socket);
1330 static const struct dev_pm_ops yenta_pm_ops = {
1331 .suspend_noirq = yenta_dev_suspend_noirq,
1332 .resume_noirq = yenta_dev_resume_noirq,
1333 .freeze_noirq = yenta_dev_suspend_noirq,
1334 .thaw_noirq = yenta_dev_resume_noirq,
1335 .poweroff_noirq = yenta_dev_suspend_noirq,
1336 .restore_noirq = yenta_dev_resume_noirq,
1339 #define YENTA_PM_OPS (¥ta_pm_ops)
1341 #define YENTA_PM_OPS NULL
1344 #define CB_ID(vend, dev, type) \
1348 .subvendor = PCI_ANY_ID, \
1349 .subdevice = PCI_ANY_ID, \
1350 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1352 .driver_data = CARDBUS_TYPE_##type, \
1355 static struct pci_device_id yenta_table[] = {
1356 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1359 * TBD: Check if these TI variants can use more
1360 * advanced overrides instead. (I can't get the
1361 * data sheets for these devices. --rmk)
1363 #ifdef CONFIG_YENTA_TI
1364 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1366 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1367 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1369 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1370 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1371 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1372 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1373 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1374 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1375 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1376 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1377 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1378 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1379 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1380 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1381 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1382 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1384 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1387 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1388 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1390 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1391 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1396 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1397 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1399 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1400 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1401 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1402 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
1403 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1404 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1405 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1406 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
1407 #endif /* CONFIG_YENTA_TI */
1409 #ifdef CONFIG_YENTA_RICOH
1410 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1411 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1412 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1413 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1414 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1417 #ifdef CONFIG_YENTA_TOSHIBA
1418 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1419 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1420 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1423 #ifdef CONFIG_YENTA_O2
1424 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1427 /* match any cardbus bridge */
1428 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1429 { /* all zeroes */ }
1431 MODULE_DEVICE_TABLE(pci, yenta_table);
1434 static struct pci_driver yenta_cardbus_driver = {
1435 .name = "yenta_cardbus",
1436 .id_table = yenta_table,
1437 .probe = yenta_probe,
1438 .remove = __devexit_p(yenta_close),
1439 .driver.pm = YENTA_PM_OPS,
1443 static int __init yenta_socket_init(void)
1445 return pci_register_driver(¥ta_cardbus_driver);
1449 static void __exit yenta_socket_exit(void)
1451 pci_unregister_driver(¥ta_cardbus_driver);
1455 module_init(yenta_socket_init);
1456 module_exit(yenta_socket_exit);
1458 MODULE_LICENSE("GPL");