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/cs_types.h>
23 #include <pcmcia/ss.h>
24 #include <pcmcia/cs.h>
26 #include "yenta_socket.h"
29 static int disable_clkrun;
30 module_param(disable_clkrun, bool, 0444);
31 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
33 static int isa_probe = 1;
34 module_param(isa_probe, bool, 0444);
35 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
37 static int pwr_irqs_off;
38 module_param(pwr_irqs_off, bool, 0644);
39 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
41 static char o2_speedup[] = "default";
42 module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
43 MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
44 "or 'default' (uses recommended behaviour for the detected bridge)");
47 * Only probe "regular" interrupts, don't
48 * touch dangerous spots like the mouse irq,
49 * because there are mice that apparently
50 * get really confused if they get fondled
53 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
55 static u32 isa_interrupts = 0x0ef8;
58 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
61 #define to_cycles(ns) ((ns)/120)
62 #define to_ns(cycles) ((cycles)*120)
65 * yenta PCI irq probing.
66 * currently only used in the TI/EnE initialization code
68 #ifdef CONFIG_YENTA_TI
69 static int yenta_probe_cb_irq(struct yenta_socket *socket);
70 static unsigned int yenta_probe_irq(struct yenta_socket *socket,
75 static unsigned int override_bios;
76 module_param(override_bios, uint, 0000);
77 MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
80 * Generate easy-to-use ways of reading a cardbus sockets
81 * regular memory space ("cb_xxx"), configuration space
82 * ("config_xxx") and compatibility space ("exca_xxxx")
84 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
86 u32 val = readl(socket->base + reg);
87 debug("%04x %08x\n", socket, reg, val);
91 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
93 debug("%04x %08x\n", socket, reg, val);
94 writel(val, socket->base + reg);
95 readl(socket->base + reg); /* avoid problems with PCI write posting */
98 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
101 pci_read_config_byte(socket->dev, offset, &val);
102 debug("%04x %02x\n", socket, offset, val);
106 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
109 pci_read_config_word(socket->dev, offset, &val);
110 debug("%04x %04x\n", socket, offset, val);
114 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
117 pci_read_config_dword(socket->dev, offset, &val);
118 debug("%04x %08x\n", socket, offset, val);
122 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
124 debug("%04x %02x\n", socket, offset, val);
125 pci_write_config_byte(socket->dev, offset, val);
128 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
130 debug("%04x %04x\n", socket, offset, val);
131 pci_write_config_word(socket->dev, offset, val);
134 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
136 debug("%04x %08x\n", socket, offset, val);
137 pci_write_config_dword(socket->dev, offset, val);
140 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
142 u8 val = readb(socket->base + 0x800 + reg);
143 debug("%04x %02x\n", socket, reg, val);
147 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
150 val = readb(socket->base + 0x800 + reg);
151 val |= readb(socket->base + 0x800 + reg + 1) << 8;
152 debug("%04x %04x\n", socket, reg, val);
156 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
158 debug("%04x %02x\n", socket, reg, val);
159 writeb(val, socket->base + 0x800 + reg);
160 readb(socket->base + 0x800 + reg); /* PCI write posting... */
163 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
165 debug("%04x %04x\n", socket, reg, val);
166 writeb(val, socket->base + 0x800 + reg);
167 writeb(val >> 8, socket->base + 0x800 + reg + 1);
169 /* PCI write posting... */
170 readb(socket->base + 0x800 + reg);
171 readb(socket->base + 0x800 + reg + 1);
174 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
176 struct pci_dev *dev = to_pci_dev(yentadev);
177 struct yenta_socket *socket = pci_get_drvdata(dev);
180 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
181 for (i = 0; i < 0x24; i += 4) {
184 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
185 val = cb_readl(socket, i);
186 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
189 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
190 for (i = 0; i < 0x45; i++) {
194 memcpy(buf + offset, " -", 2);
197 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
199 val = exca_readb(socket, i);
200 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
202 buf[offset++] = '\n';
206 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
209 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
210 * on what kind of card is inserted..
212 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
214 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
216 u32 state = cb_readl(socket, CB_SOCKET_STATE);
218 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
219 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
220 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
221 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
224 if (state & CB_CBCARD) {
226 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
227 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
228 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
229 } else if (state & CB_16BITCARD) {
230 u8 status = exca_readb(socket, I365_STATUS);
231 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
232 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
233 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
235 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
236 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
238 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
239 val |= (status & I365_CS_READY) ? SS_READY : 0;
240 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
247 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
249 /* some birdges require to use the ExCA registers to power 16bit cards */
250 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
251 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
253 reg = old = exca_readb(socket, I365_POWER);
254 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
256 /* i82365SL-DF style */
257 if (socket->flags & YENTA_16BIT_POWER_DF) {
258 switch (state->Vcc) {
269 switch (state->Vpp) {
275 reg |= I365_VPP1_12V;
279 /* i82365SL-B style */
280 switch (state->Vcc) {
288 switch (state->Vpp) {
290 reg |= I365_VPP1_5V | I365_VPP2_5V;
293 reg |= I365_VPP1_12V | I365_VPP2_12V;
299 exca_writeb(socket, I365_POWER, reg);
301 u32 reg = 0; /* CB_SC_STPCLK? */
302 switch (state->Vcc) {
313 switch (state->Vpp) {
321 reg |= CB_SC_VPP_12V;
324 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
325 cb_writel(socket, CB_SOCKET_CONTROL, reg);
329 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
331 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
334 /* if powering down: do it immediately */
336 yenta_set_power(socket, state);
338 socket->io_irq = state->io_irq;
339 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
340 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
342 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
344 /* ISA interrupt control? */
345 intr = exca_readb(socket, I365_INTCTL);
346 intr = (intr & ~0xf);
347 if (!socket->dev->irq) {
348 intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
349 bridge |= CB_BRIDGE_INTR;
351 exca_writeb(socket, I365_INTCTL, intr);
355 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
356 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
357 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
358 if (state->io_irq != socket->dev->irq) {
359 reg |= state->io_irq;
360 bridge |= CB_BRIDGE_INTR;
362 exca_writeb(socket, I365_INTCTL, reg);
364 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
365 reg |= I365_PWR_NORESET;
366 if (state->flags & SS_PWR_AUTO)
367 reg |= I365_PWR_AUTO;
368 if (state->flags & SS_OUTPUT_ENA)
370 if (exca_readb(socket, I365_POWER) != reg)
371 exca_writeb(socket, I365_POWER, reg);
373 /* CSC interrupt: no ISA irq for CSC */
374 reg = exca_readb(socket, I365_CSCINT);
375 reg &= I365_CSC_IRQ_MASK;
376 reg |= I365_CSC_DETECT;
377 if (state->flags & SS_IOCARD) {
378 if (state->csc_mask & SS_STSCHG)
379 reg |= I365_CSC_STSCHG;
381 if (state->csc_mask & SS_BATDEAD)
382 reg |= I365_CSC_BVD1;
383 if (state->csc_mask & SS_BATWARN)
384 reg |= I365_CSC_BVD2;
385 if (state->csc_mask & SS_READY)
386 reg |= I365_CSC_READY;
388 exca_writeb(socket, I365_CSCINT, reg);
389 exca_readb(socket, I365_CSC);
390 if (sock->zoom_video)
391 sock->zoom_video(sock, state->flags & SS_ZVCARD);
393 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
394 /* Socket event mask: get card insert/remove events.. */
395 cb_writel(socket, CB_SOCKET_EVENT, -1);
396 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
398 /* if powering up: do it as the last step when the socket is configured */
400 yenta_set_power(socket, state);
404 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
406 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
408 unsigned char ioctl, addr, enable;
415 enable = I365_ENA_IO(map);
416 addr = exca_readb(socket, I365_ADDRWIN);
418 /* Disable the window before changing it.. */
421 exca_writeb(socket, I365_ADDRWIN, addr);
424 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
425 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
427 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
428 if (io->flags & MAP_0WS)
429 ioctl |= I365_IOCTL_0WS(map);
430 if (io->flags & MAP_16BIT)
431 ioctl |= I365_IOCTL_16BIT(map);
432 if (io->flags & MAP_AUTOSZ)
433 ioctl |= I365_IOCTL_IOCS16(map);
434 exca_writeb(socket, I365_IOCTL, ioctl);
436 if (io->flags & MAP_ACTIVE)
437 exca_writeb(socket, I365_ADDRWIN, addr | enable);
441 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
443 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
444 struct pci_bus_region region;
446 unsigned char addr, enable;
447 unsigned int start, stop, card_start;
450 pcibios_resource_to_bus(socket->dev, ®ion, mem->res);
453 start = region.start;
455 card_start = mem->card_start;
457 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
458 (card_start >> 26) || mem->speed > 1000)
461 enable = I365_ENA_MEM(map);
462 addr = exca_readb(socket, I365_ADDRWIN);
465 exca_writeb(socket, I365_ADDRWIN, addr);
468 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
470 word = (start >> 12) & 0x0fff;
471 if (mem->flags & MAP_16BIT)
472 word |= I365_MEM_16BIT;
473 if (mem->flags & MAP_0WS)
474 word |= I365_MEM_0WS;
475 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
477 word = (stop >> 12) & 0x0fff;
478 switch (to_cycles(mem->speed)) {
482 word |= I365_MEM_WS0;
485 word |= I365_MEM_WS1;
488 word |= I365_MEM_WS1 | I365_MEM_WS0;
491 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
493 word = ((card_start - start) >> 12) & 0x3fff;
494 if (mem->flags & MAP_WRPROT)
495 word |= I365_MEM_WRPROT;
496 if (mem->flags & MAP_ATTRIB)
497 word |= I365_MEM_REG;
498 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
500 if (mem->flags & MAP_ACTIVE)
501 exca_writeb(socket, I365_ADDRWIN, addr | enable);
507 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
510 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
514 /* Clear interrupt status for the event */
515 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
516 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
518 csc = exca_readb(socket, I365_CSC);
520 if (!(cb_event || csc))
523 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
524 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
525 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
526 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
528 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
529 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
530 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
534 pcmcia_parse_events(&socket->socket, events);
539 static void yenta_interrupt_wrapper(unsigned long data)
541 struct yenta_socket *socket = (struct yenta_socket *) data;
543 yenta_interrupt(0, (void *)socket);
544 socket->poll_timer.expires = jiffies + HZ;
545 add_timer(&socket->poll_timer);
548 static void yenta_clear_maps(struct yenta_socket *socket)
551 struct resource res = { .start = 0, .end = 0x0fff };
552 pccard_io_map io = { 0, 0, 0, 0, 1 };
553 pccard_mem_map mem = { .res = &res, };
555 yenta_set_socket(&socket->socket, &dead_socket);
556 for (i = 0; i < 2; i++) {
558 yenta_set_io_map(&socket->socket, &io);
560 for (i = 0; i < 5; i++) {
562 yenta_set_mem_map(&socket->socket, &mem);
566 /* redoes voltage interrogation if required */
567 static void yenta_interrogate(struct yenta_socket *socket)
571 state = cb_readl(socket, CB_SOCKET_STATE);
572 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
573 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
574 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
575 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
578 /* Called at resume and initialization events */
579 static int yenta_sock_init(struct pcmcia_socket *sock)
581 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
583 exca_writeb(socket, I365_GBLCTL, 0x00);
584 exca_writeb(socket, I365_GENCTL, 0x00);
586 /* Redo card voltage interrogation */
587 yenta_interrogate(socket);
589 yenta_clear_maps(socket);
591 if (socket->type && socket->type->sock_init)
592 socket->type->sock_init(socket);
594 /* Re-enable CSC interrupts */
595 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
600 static int yenta_sock_suspend(struct pcmcia_socket *sock)
602 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
604 /* Disable CSC interrupts */
605 cb_writel(socket, CB_SOCKET_MASK, 0x0);
611 * Use an adaptive allocation for the memory resource,
612 * sometimes the memory behind pci bridges is limited:
613 * 1/8 of the size of the io window of the parent.
614 * max 4 MB, min 16 kB. We try very hard to not get below
615 * the "ACC" values, though.
617 #define BRIDGE_MEM_MAX (4*1024*1024)
618 #define BRIDGE_MEM_ACC (128*1024)
619 #define BRIDGE_MEM_MIN (16*1024)
621 #define BRIDGE_IO_MAX 512
622 #define BRIDGE_IO_ACC 256
623 #define BRIDGE_IO_MIN 32
625 #ifndef PCIBIOS_MIN_CARDBUS_IO
626 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
629 static int yenta_search_one_res(struct resource *root, struct resource *res,
632 u32 align, size, start, end;
634 if (res->flags & IORESOURCE_IO) {
636 size = BRIDGE_IO_MAX;
637 start = PCIBIOS_MIN_CARDBUS_IO;
640 unsigned long avail = root->end - root->start;
642 size = BRIDGE_MEM_MAX;
643 if (size > avail/8) {
645 /* round size down to next power of 2 */
647 while ((size /= 2) != 0)
654 start = PCIBIOS_MIN_MEM;
659 if (allocate_resource(root, res, size, start, end, align,
665 } while (size >= min);
671 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
674 struct resource *root;
677 pci_bus_for_each_resource(socket->dev->bus, root, i) {
681 if ((res->flags ^ root->flags) &
682 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
683 continue; /* Wrong type */
685 if (yenta_search_one_res(root, res, min))
691 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
693 struct pci_dev *dev = socket->dev;
694 struct resource *res;
695 struct pci_bus_region region;
698 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
699 /* Already allocated? */
703 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
705 if (type & IORESOURCE_IO)
708 res->name = dev->subordinate->name;
711 region.start = config_readl(socket, addr_start) & mask;
712 region.end = config_readl(socket, addr_end) | ~mask;
713 if (region.start && region.end > region.start && !override_bios) {
714 pcibios_bus_to_resource(dev, res, ®ion);
715 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
717 dev_printk(KERN_INFO, &dev->dev,
718 "Preassigned resource %d busy or not available, "
719 "reconfiguring...\n",
723 if (type & IORESOURCE_IO) {
724 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
725 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
726 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
729 if (type & IORESOURCE_PREFETCH) {
730 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
731 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
732 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
734 /* Approximating prefetchable by non-prefetchable */
735 res->flags = IORESOURCE_MEM;
737 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
738 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
739 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
743 dev_printk(KERN_INFO, &dev->dev,
744 "no resource of type %x available, trying to continue...\n",
746 res->start = res->end = res->flags = 0;
751 * Allocate the bridge mappings for the device..
753 static void yenta_allocate_resources(struct yenta_socket *socket)
756 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
757 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
758 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
759 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
760 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
761 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
762 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
763 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
765 pci_setup_cardbus(socket->dev->subordinate);
770 * Free the bridge mappings for the device..
772 static void yenta_free_resources(struct yenta_socket *socket)
775 for (i = 0; i < 4; i++) {
776 struct resource *res;
777 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
778 if (res->start != 0 && res->end != 0)
779 release_resource(res);
780 res->start = res->end = res->flags = 0;
786 * Close it down - release our resources and go home..
788 static void __devexit yenta_close(struct pci_dev *dev)
790 struct yenta_socket *sock = pci_get_drvdata(dev);
792 /* Remove the register attributes */
793 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
795 /* we don't want a dying socket registered */
796 pcmcia_unregister_socket(&sock->socket);
798 /* Disable all events so we don't die in an IRQ storm */
799 cb_writel(sock, CB_SOCKET_MASK, 0x0);
800 exca_writeb(sock, I365_CSCINT, 0);
803 free_irq(sock->cb_irq, sock);
805 del_timer_sync(&sock->poll_timer);
809 yenta_free_resources(sock);
811 pci_release_regions(dev);
812 pci_disable_device(dev);
813 pci_set_drvdata(dev, NULL);
817 static struct pccard_operations yenta_socket_operations = {
818 .init = yenta_sock_init,
819 .suspend = yenta_sock_suspend,
820 .get_status = yenta_get_status,
821 .set_socket = yenta_set_socket,
822 .set_io_map = yenta_set_io_map,
823 .set_mem_map = yenta_set_mem_map,
827 #ifdef CONFIG_YENTA_TI
830 #ifdef CONFIG_YENTA_RICOH
833 #ifdef CONFIG_YENTA_TOSHIBA
836 #ifdef CONFIG_YENTA_O2
841 CARDBUS_TYPE_DEFAULT = -1,
847 CARDBUS_TYPE_TOPIC95,
848 CARDBUS_TYPE_TOPIC97,
849 CARDBUS_TYPE_O2MICRO,
854 * Different cardbus controllers have slightly different
855 * initialization sequences etc details. List them here..
857 static struct cardbus_type cardbus_type[] = {
858 #ifdef CONFIG_YENTA_TI
859 [CARDBUS_TYPE_TI] = {
860 .override = ti_override,
861 .save_state = ti_save_state,
862 .restore_state = ti_restore_state,
863 .sock_init = ti_init,
865 [CARDBUS_TYPE_TI113X] = {
866 .override = ti113x_override,
867 .save_state = ti_save_state,
868 .restore_state = ti_restore_state,
869 .sock_init = ti_init,
871 [CARDBUS_TYPE_TI12XX] = {
872 .override = ti12xx_override,
873 .save_state = ti_save_state,
874 .restore_state = ti_restore_state,
875 .sock_init = ti_init,
877 [CARDBUS_TYPE_TI1250] = {
878 .override = ti1250_override,
879 .save_state = ti_save_state,
880 .restore_state = ti_restore_state,
881 .sock_init = ti_init,
883 [CARDBUS_TYPE_ENE] = {
884 .override = ene_override,
885 .save_state = ti_save_state,
886 .restore_state = ti_restore_state,
887 .sock_init = ti_init,
890 #ifdef CONFIG_YENTA_RICOH
891 [CARDBUS_TYPE_RICOH] = {
892 .override = ricoh_override,
893 .save_state = ricoh_save_state,
894 .restore_state = ricoh_restore_state,
897 #ifdef CONFIG_YENTA_TOSHIBA
898 [CARDBUS_TYPE_TOPIC95] = {
899 .override = topic95_override,
901 [CARDBUS_TYPE_TOPIC97] = {
902 .override = topic97_override,
905 #ifdef CONFIG_YENTA_O2
906 [CARDBUS_TYPE_O2MICRO] = {
907 .override = o2micro_override,
908 .restore_state = o2micro_restore_state,
914 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
922 * Probe for usable interrupts using the force
923 * register to generate bogus card status events.
925 cb_writel(socket, CB_SOCKET_EVENT, -1);
926 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
927 reg = exca_readb(socket, I365_CSCINT);
928 exca_writeb(socket, I365_CSCINT, 0);
929 val = probe_irq_on() & isa_irq_mask;
930 for (i = 1; i < 16; i++) {
931 if (!((val >> i) & 1))
933 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
934 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
936 cb_writel(socket, CB_SOCKET_EVENT, -1);
938 cb_writel(socket, CB_SOCKET_MASK, 0);
939 exca_writeb(socket, I365_CSCINT, reg);
941 mask = probe_irq_mask(val) & 0xffff;
948 * yenta PCI irq probing.
949 * currently only used in the TI/EnE initialization code
951 #ifdef CONFIG_YENTA_TI
953 /* interrupt handler, only used during probing */
954 static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
956 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
960 /* Clear interrupt status for the event */
961 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
962 cb_writel(socket, CB_SOCKET_EVENT, -1);
963 csc = exca_readb(socket, I365_CSC);
965 if (cb_event || csc) {
966 socket->probe_status = 1;
973 /* probes the PCI interrupt, use only on override functions */
974 static int yenta_probe_cb_irq(struct yenta_socket *socket)
981 socket->probe_status = 0;
983 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
984 dev_printk(KERN_WARNING, &socket->dev->dev,
985 "request_irq() in yenta_probe_cb_irq() failed!\n");
989 /* generate interrupt, wait */
990 if (!socket->dev->irq)
991 reg = exca_readb(socket, I365_CSCINT);
992 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
993 cb_writel(socket, CB_SOCKET_EVENT, -1);
994 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
995 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
999 /* disable interrupts */
1000 cb_writel(socket, CB_SOCKET_MASK, 0);
1001 exca_writeb(socket, I365_CSCINT, reg);
1002 cb_writel(socket, CB_SOCKET_EVENT, -1);
1003 exca_readb(socket, I365_CSC);
1005 free_irq(socket->cb_irq, socket);
1007 return (int) socket->probe_status;
1010 #endif /* CONFIG_YENTA_TI */
1014 * Set static data that doesn't need re-initializing..
1016 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1018 socket->socket.pci_irq = socket->cb_irq;
1020 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1022 socket->socket.irq_mask = 0;
1024 dev_printk(KERN_INFO, &socket->dev->dev,
1025 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1026 socket->socket.irq_mask, socket->cb_irq);
1030 * Initialize the standard cardbus registers
1032 static void yenta_config_init(struct yenta_socket *socket)
1035 struct pci_dev *dev = socket->dev;
1036 struct pci_bus_region region;
1038 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]);
1040 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1041 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1042 config_writew(socket, PCI_COMMAND,
1044 PCI_COMMAND_MEMORY |
1045 PCI_COMMAND_MASTER |
1048 /* MAGIC NUMBERS! Fixme */
1049 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1050 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1051 config_writel(socket, PCI_PRIMARY_BUS,
1052 (176 << 24) | /* sec. latency timer */
1053 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1054 (dev->subordinate->secondary << 8) | /* secondary bus */
1055 dev->subordinate->primary); /* primary bus */
1058 * Set up the bridging state:
1059 * - enable write posting.
1060 * - memory window 0 prefetchable, window 1 non-prefetchable
1061 * - PCI interrupts enabled if a PCI interrupt exists..
1063 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1064 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1065 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1066 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1070 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1071 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1073 * Checks if devices on the bus which the CardBus bridge bridges to would be
1074 * invisible during PCI scans because of a misconfigured subordinate number
1075 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1076 * Does the fixup carefully by checking how far it can go without conflicts.
1077 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1079 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1081 struct list_head *tmp;
1082 unsigned char upper_limit;
1084 * We only check and fix the parent bridge: All systems which need
1085 * this fixup that have been reviewed are laptops and the only bridge
1086 * which needed fixing was the parent bridge of the CardBus bridge:
1088 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1090 /* Check bus numbers are already set up correctly: */
1091 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1092 return; /* The subordinate number is ok, nothing to do */
1094 if (!bridge_to_fix->parent)
1095 return; /* Root bridges are ok */
1097 /* stay within the limits of the bus range of the parent: */
1098 upper_limit = bridge_to_fix->parent->subordinate;
1100 /* check the bus ranges of all silbling bridges to prevent overlap */
1101 list_for_each(tmp, &bridge_to_fix->parent->children) {
1102 struct pci_bus *silbling = pci_bus_b(tmp);
1104 * If the silbling has a higher secondary bus number
1105 * and it's secondary is equal or smaller than our
1106 * current upper limit, set the new upper limit to
1107 * the bus number below the silbling's range:
1109 if (silbling->secondary > bridge_to_fix->subordinate
1110 && silbling->secondary <= upper_limit)
1111 upper_limit = silbling->secondary - 1;
1114 /* Show that the wanted subordinate number is not possible: */
1115 if (cardbus_bridge->subordinate > upper_limit)
1116 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1117 "Upper limit for fixing this "
1118 "bridge's parent bridge: #%02x\n", upper_limit);
1120 /* If we have room to increase the bridge's subordinate number, */
1121 if (bridge_to_fix->subordinate < upper_limit) {
1123 /* use the highest number of the hidden bus, within limits */
1124 unsigned char subordinate_to_assign =
1125 min(cardbus_bridge->subordinate, upper_limit);
1127 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1128 "Raising subordinate bus# of parent "
1129 "bus (#%02x) from #%02x to #%02x\n",
1130 bridge_to_fix->number,
1131 bridge_to_fix->subordinate, subordinate_to_assign);
1133 /* Save the new subordinate in the bus struct of the bridge */
1134 bridge_to_fix->subordinate = subordinate_to_assign;
1136 /* and update the PCI config space with the new subordinate */
1137 pci_write_config_byte(bridge_to_fix->self,
1138 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1143 * Initialize a cardbus controller. Make sure we have a usable
1144 * interrupt, and that we can map the cardbus area. Fill in the
1145 * socket information structure..
1147 static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1149 struct yenta_socket *socket;
1153 * If we failed to assign proper bus numbers for this cardbus
1154 * controller during PCI probe, its subordinate pci_bus is NULL.
1157 if (!dev->subordinate) {
1158 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1159 "(try 'pci=assign-busses')\n");
1163 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1167 /* prepare pcmcia_socket */
1168 socket->socket.ops = ¥ta_socket_operations;
1169 socket->socket.resource_ops = &pccard_nonstatic_ops;
1170 socket->socket.dev.parent = &dev->dev;
1171 socket->socket.driver_data = socket;
1172 socket->socket.owner = THIS_MODULE;
1173 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1174 socket->socket.map_size = 0x1000;
1175 socket->socket.cb_dev = dev;
1177 /* prepare struct yenta_socket */
1179 pci_set_drvdata(dev, socket);
1182 * Do some basic sanity checking..
1184 if (pci_enable_device(dev)) {
1189 ret = pci_request_regions(dev, "yenta_socket");
1193 if (!pci_resource_start(dev, 0)) {
1194 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
1200 * Ok, start setup.. Map the cardbus registers,
1201 * and request the IRQ.
1203 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1204 if (!socket->base) {
1210 * report the subsystem vendor and device for help debugging
1213 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1214 dev->subsystem_vendor, dev->subsystem_device);
1216 yenta_config_init(socket);
1218 /* Disable all events */
1219 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1221 /* Set up the bridge regions.. */
1222 yenta_allocate_resources(socket);
1224 socket->cb_irq = dev->irq;
1226 /* Do we have special options for the device? */
1227 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1228 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1229 socket->type = &cardbus_type[id->driver_data];
1231 ret = socket->type->override(socket);
1236 /* We must finish initialization here */
1238 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1239 /* No IRQ or request_irq failed. Poll */
1240 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1241 init_timer(&socket->poll_timer);
1242 socket->poll_timer.function = yenta_interrupt_wrapper;
1243 socket->poll_timer.data = (unsigned long)socket;
1244 socket->poll_timer.expires = jiffies + HZ;
1245 add_timer(&socket->poll_timer);
1246 dev_printk(KERN_INFO, &dev->dev,
1247 "no PCI IRQ, CardBus support disabled for this "
1249 dev_printk(KERN_INFO, &dev->dev,
1250 "check your BIOS CardBus, BIOS IRQ or ACPI "
1253 socket->socket.features |= SS_CAP_CARDBUS;
1256 /* Figure out what the dang thing can do for the PCMCIA layer... */
1257 yenta_interrogate(socket);
1258 yenta_get_socket_capabilities(socket, isa_interrupts);
1259 dev_printk(KERN_INFO, &dev->dev,
1260 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1262 yenta_fixup_parent_bridge(dev->subordinate);
1264 /* Register it with the pcmcia layer.. */
1265 ret = pcmcia_register_socket(&socket->socket);
1267 /* Add the yenta register attributes */
1268 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1273 pcmcia_unregister_socket(&socket->socket);
1277 iounmap(socket->base);
1279 pci_release_regions(dev);
1281 pci_disable_device(dev);
1289 static int yenta_dev_suspend_noirq(struct device *dev)
1291 struct pci_dev *pdev = to_pci_dev(dev);
1292 struct yenta_socket *socket = pci_get_drvdata(pdev);
1297 if (socket->type && socket->type->save_state)
1298 socket->type->save_state(socket);
1300 pci_save_state(pdev);
1301 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1302 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1303 pci_disable_device(pdev);
1308 static int yenta_dev_resume_noirq(struct device *dev)
1310 struct pci_dev *pdev = to_pci_dev(dev);
1311 struct yenta_socket *socket = pci_get_drvdata(pdev);
1317 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1318 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1320 ret = pci_enable_device(pdev);
1324 pci_set_master(pdev);
1326 if (socket->type && socket->type->restore_state)
1327 socket->type->restore_state(socket);
1332 static const struct dev_pm_ops yenta_pm_ops = {
1333 .suspend_noirq = yenta_dev_suspend_noirq,
1334 .resume_noirq = yenta_dev_resume_noirq,
1335 .freeze_noirq = yenta_dev_suspend_noirq,
1336 .thaw_noirq = yenta_dev_resume_noirq,
1337 .poweroff_noirq = yenta_dev_suspend_noirq,
1338 .restore_noirq = yenta_dev_resume_noirq,
1341 #define YENTA_PM_OPS (¥ta_pm_ops)
1343 #define YENTA_PM_OPS NULL
1346 #define CB_ID(vend, dev, type) \
1350 .subvendor = PCI_ANY_ID, \
1351 .subdevice = PCI_ANY_ID, \
1352 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1354 .driver_data = CARDBUS_TYPE_##type, \
1357 static struct pci_device_id yenta_table[] = {
1358 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1361 * TBD: Check if these TI variants can use more
1362 * advanced overrides instead. (I can't get the
1363 * data sheets for these devices. --rmk)
1365 #ifdef CONFIG_YENTA_TI
1366 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1368 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1369 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1371 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1372 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1373 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1374 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1375 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1376 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1377 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1378 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1379 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1380 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1381 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1382 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1384 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1386 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1387 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1389 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1390 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1396 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1397 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1398 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1399 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1401 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1402 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1403 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1404 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
1405 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1406 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1407 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1408 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
1409 #endif /* CONFIG_YENTA_TI */
1411 #ifdef CONFIG_YENTA_RICOH
1412 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1413 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1414 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1415 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1416 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1419 #ifdef CONFIG_YENTA_TOSHIBA
1420 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1421 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1422 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1425 #ifdef CONFIG_YENTA_O2
1426 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1429 /* match any cardbus bridge */
1430 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1431 { /* all zeroes */ }
1433 MODULE_DEVICE_TABLE(pci, yenta_table);
1436 static struct pci_driver yenta_cardbus_driver = {
1437 .name = "yenta_cardbus",
1438 .id_table = yenta_table,
1439 .probe = yenta_probe,
1440 .remove = __devexit_p(yenta_close),
1441 .driver.pm = YENTA_PM_OPS,
1445 static int __init yenta_socket_init(void)
1447 return pci_register_driver(¥ta_cardbus_driver);
1451 static void __exit yenta_socket_exit(void)
1453 pci_unregister_driver(¥ta_cardbus_driver);
1457 module_init(yenta_socket_init);
1458 module_exit(yenta_socket_exit);
1460 MODULE_LICENSE("GPL");