1 // SPDX-License-Identifier: GPL-2.0-only
3 * Regular cardbus driver ("yenta_socket")
5 * (C) Copyright 1999, 2000 Linus Torvalds
8 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
9 * Dynamically adjust the size of the bridge resource
11 * May 2003: Dominik Brodowski <linux@brodo.de>
12 * Merge pci_socket.c and yenta.c into one file
14 #include <linux/init.h>
15 #include <linux/pci.h>
16 #include <linux/workqueue.h>
17 #include <linux/interrupt.h>
18 #include <linux/delay.h>
19 #include <linux/module.h>
21 #include <linux/slab.h>
23 #include <pcmcia/ss.h>
25 #include "yenta_socket.h"
28 static bool disable_clkrun;
29 module_param(disable_clkrun, bool, 0444);
30 MODULE_PARM_DESC(disable_clkrun,
31 "If PC card doesn't function properly, please try this option (TI and Ricoh bridges only)");
33 static bool 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 bool 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);
148 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
151 val = readb(socket->base + 0x800 + reg);
152 val |= readb(socket->base + 0x800 + reg + 1) << 8;
153 debug("%04x %04x\n", socket, reg, val);
158 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
160 debug("%04x %02x\n", socket, reg, val);
161 writeb(val, socket->base + 0x800 + reg);
162 readb(socket->base + 0x800 + reg); /* PCI write posting... */
165 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
167 debug("%04x %04x\n", socket, reg, val);
168 writeb(val, socket->base + 0x800 + reg);
169 writeb(val >> 8, socket->base + 0x800 + reg + 1);
171 /* PCI write posting... */
172 readb(socket->base + 0x800 + reg);
173 readb(socket->base + 0x800 + reg + 1);
176 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
178 struct yenta_socket *socket = dev_get_drvdata(yentadev);
181 offset = sysfs_emit(buf, "CB registers:");
182 for (i = 0; i < 0x24; i += 4) {
185 offset += sysfs_emit_at(buf, offset, "\n%02x:", i);
186 val = cb_readl(socket, i);
187 offset += sysfs_emit_at(buf, offset, " %08x", val);
190 offset += sysfs_emit_at(buf, offset, "\n\nExCA registers:");
191 for (i = 0; i < 0x45; i++) {
195 memcpy(buf + offset, " -", 2);
198 offset += sysfs_emit_at(buf, offset, "\n%02x:", i);
200 val = exca_readb(socket, i);
201 offset += sysfs_emit_at(buf, offset, " %02x", val);
203 sysfs_emit_at(buf, offset, "\n");
207 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
210 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
211 * on what kind of card is inserted..
213 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
215 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
217 u32 state = cb_readl(socket, CB_SOCKET_STATE);
219 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
220 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
221 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
222 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
225 if (state & CB_CBCARD) {
227 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
228 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
229 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
230 } else if (state & CB_16BITCARD) {
231 u8 status = exca_readb(socket, I365_STATUS);
232 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
233 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
234 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
236 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
237 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
239 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
240 val |= (status & I365_CS_READY) ? SS_READY : 0;
241 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
248 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
250 /* some birdges require to use the ExCA registers to power 16bit cards */
251 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
252 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
254 reg = old = exca_readb(socket, I365_POWER);
255 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
257 /* i82365SL-DF style */
258 if (socket->flags & YENTA_16BIT_POWER_DF) {
259 switch (state->Vcc) {
270 switch (state->Vpp) {
276 reg |= I365_VPP1_12V;
280 /* i82365SL-B style */
281 switch (state->Vcc) {
289 switch (state->Vpp) {
291 reg |= I365_VPP1_5V | I365_VPP2_5V;
294 reg |= I365_VPP1_12V | I365_VPP2_12V;
300 exca_writeb(socket, I365_POWER, reg);
302 u32 reg = 0; /* CB_SC_STPCLK? */
303 switch (state->Vcc) {
314 switch (state->Vpp) {
322 reg |= CB_SC_VPP_12V;
325 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
326 cb_writel(socket, CB_SOCKET_CONTROL, reg);
330 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
332 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
335 /* if powering down: do it immediately */
337 yenta_set_power(socket, state);
339 socket->io_irq = state->io_irq;
340 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
341 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
343 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
345 /* ISA interrupt control? */
346 intr = exca_readb(socket, I365_INTCTL);
347 intr = (intr & ~0xf);
348 if (!socket->dev->irq) {
349 intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
350 bridge |= CB_BRIDGE_INTR;
352 exca_writeb(socket, I365_INTCTL, intr);
356 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
357 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
358 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
359 if (state->io_irq != socket->dev->irq) {
360 reg |= state->io_irq;
361 bridge |= CB_BRIDGE_INTR;
363 exca_writeb(socket, I365_INTCTL, reg);
365 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
366 reg |= I365_PWR_NORESET;
367 if (state->flags & SS_PWR_AUTO)
368 reg |= I365_PWR_AUTO;
369 if (state->flags & SS_OUTPUT_ENA)
371 if (exca_readb(socket, I365_POWER) != reg)
372 exca_writeb(socket, I365_POWER, reg);
374 /* CSC interrupt: no ISA irq for CSC */
375 reg = exca_readb(socket, I365_CSCINT);
376 reg &= I365_CSC_IRQ_MASK;
377 reg |= I365_CSC_DETECT;
378 if (state->flags & SS_IOCARD) {
379 if (state->csc_mask & SS_STSCHG)
380 reg |= I365_CSC_STSCHG;
382 if (state->csc_mask & SS_BATDEAD)
383 reg |= I365_CSC_BVD1;
384 if (state->csc_mask & SS_BATWARN)
385 reg |= I365_CSC_BVD2;
386 if (state->csc_mask & SS_READY)
387 reg |= I365_CSC_READY;
389 exca_writeb(socket, I365_CSCINT, reg);
390 exca_readb(socket, I365_CSC);
391 if (sock->zoom_video)
392 sock->zoom_video(sock, state->flags & SS_ZVCARD);
394 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
395 /* Socket event mask: get card insert/remove events.. */
396 cb_writel(socket, CB_SOCKET_EVENT, -1);
397 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
399 /* if powering up: do it as the last step when the socket is configured */
401 yenta_set_power(socket, state);
405 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
407 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
409 unsigned char ioctl, addr, enable;
416 enable = I365_ENA_IO(map);
417 addr = exca_readb(socket, I365_ADDRWIN);
419 /* Disable the window before changing it.. */
422 exca_writeb(socket, I365_ADDRWIN, addr);
425 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
426 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
428 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
429 if (io->flags & MAP_0WS)
430 ioctl |= I365_IOCTL_0WS(map);
431 if (io->flags & MAP_16BIT)
432 ioctl |= I365_IOCTL_16BIT(map);
433 if (io->flags & MAP_AUTOSZ)
434 ioctl |= I365_IOCTL_IOCS16(map);
435 exca_writeb(socket, I365_IOCTL, ioctl);
437 if (io->flags & MAP_ACTIVE)
438 exca_writeb(socket, I365_ADDRWIN, addr | enable);
442 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
444 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
445 struct pci_bus_region region;
447 unsigned char addr, enable;
448 unsigned int start, stop, card_start;
451 pcibios_resource_to_bus(socket->dev->bus, ®ion, mem->res);
454 start = region.start;
456 card_start = mem->card_start;
458 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
459 (card_start >> 26) || mem->speed > 1000)
462 enable = I365_ENA_MEM(map);
463 addr = exca_readb(socket, I365_ADDRWIN);
466 exca_writeb(socket, I365_ADDRWIN, addr);
469 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
471 word = (start >> 12) & 0x0fff;
472 if (mem->flags & MAP_16BIT)
473 word |= I365_MEM_16BIT;
474 if (mem->flags & MAP_0WS)
475 word |= I365_MEM_0WS;
476 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
478 word = (stop >> 12) & 0x0fff;
479 switch (to_cycles(mem->speed)) {
483 word |= I365_MEM_WS0;
486 word |= I365_MEM_WS1;
489 word |= I365_MEM_WS1 | I365_MEM_WS0;
492 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
494 word = ((card_start - start) >> 12) & 0x3fff;
495 if (mem->flags & MAP_WRPROT)
496 word |= I365_MEM_WRPROT;
497 if (mem->flags & MAP_ATTRIB)
498 word |= I365_MEM_REG;
499 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
501 if (mem->flags & MAP_ACTIVE)
502 exca_writeb(socket, I365_ADDRWIN, addr | enable);
508 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
511 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
515 /* Clear interrupt status for the event */
516 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
517 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
519 csc = exca_readb(socket, I365_CSC);
521 if (!(cb_event || csc))
524 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
525 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
526 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
527 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
529 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
530 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
531 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
535 pcmcia_parse_events(&socket->socket, events);
540 static void yenta_interrupt_wrapper(struct timer_list *t)
542 struct yenta_socket *socket = from_timer(socket, t, poll_timer);
544 yenta_interrupt(0, (void *)socket);
545 socket->poll_timer.expires = jiffies + HZ;
546 add_timer(&socket->poll_timer);
549 static void yenta_clear_maps(struct yenta_socket *socket)
552 struct resource res = { .start = 0, .end = 0x0fff };
553 pccard_io_map io = { 0, 0, 0, 0, 1 };
554 pccard_mem_map mem = { .res = &res, };
556 yenta_set_socket(&socket->socket, &dead_socket);
557 for (i = 0; i < 2; i++) {
559 yenta_set_io_map(&socket->socket, &io);
561 for (i = 0; i < 5; i++) {
563 yenta_set_mem_map(&socket->socket, &mem);
567 /* redoes voltage interrogation if required */
568 static void yenta_interrogate(struct yenta_socket *socket)
572 state = cb_readl(socket, CB_SOCKET_STATE);
573 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
574 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
575 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
576 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
579 /* Called at resume and initialization events */
580 static int yenta_sock_init(struct pcmcia_socket *sock)
582 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
584 exca_writeb(socket, I365_GBLCTL, 0x00);
585 exca_writeb(socket, I365_GENCTL, 0x00);
587 /* Redo card voltage interrogation */
588 yenta_interrogate(socket);
590 yenta_clear_maps(socket);
592 if (socket->type && socket->type->sock_init)
593 socket->type->sock_init(socket);
595 /* Re-enable CSC interrupts */
596 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
601 static int yenta_sock_suspend(struct pcmcia_socket *sock)
603 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
605 /* Disable CSC interrupts */
606 cb_writel(socket, CB_SOCKET_MASK, 0x0);
612 * Use an adaptive allocation for the memory resource,
613 * sometimes the memory behind pci bridges is limited:
614 * 1/8 of the size of the io window of the parent.
615 * max 4 MB, min 16 kB. We try very hard to not get below
616 * the "ACC" values, though.
618 #define BRIDGE_MEM_MAX (4*1024*1024)
619 #define BRIDGE_MEM_ACC (128*1024)
620 #define BRIDGE_MEM_MIN (16*1024)
622 #define BRIDGE_IO_MAX 512
623 #define BRIDGE_IO_ACC 256
624 #define BRIDGE_IO_MIN 32
626 #ifndef PCIBIOS_MIN_CARDBUS_IO
627 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
630 static int yenta_search_one_res(struct resource *root, struct resource *res,
633 u32 align, size, start, end;
635 if (res->flags & IORESOURCE_IO) {
637 size = BRIDGE_IO_MAX;
638 start = PCIBIOS_MIN_CARDBUS_IO;
641 unsigned long avail = root->end - root->start;
643 size = BRIDGE_MEM_MAX;
644 if (size > avail/8) {
646 /* round size down to next power of 2 */
648 while ((size /= 2) != 0)
655 start = PCIBIOS_MIN_MEM;
660 if (allocate_resource(root, res, size, start, end, align,
666 } while (size >= min);
672 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
675 struct resource *root;
678 pci_bus_for_each_resource(socket->dev->bus, root, i) {
682 if ((res->flags ^ root->flags) &
683 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
684 continue; /* Wrong type */
686 if (yenta_search_one_res(root, res, min))
692 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
694 struct pci_dev *dev = socket->dev;
695 struct resource *res;
696 struct pci_bus_region region;
699 res = &dev->resource[nr];
700 /* Already allocated? */
704 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
706 if (type & IORESOURCE_IO)
709 res->name = dev->subordinate->name;
712 region.start = config_readl(socket, addr_start) & mask;
713 region.end = config_readl(socket, addr_end) | ~mask;
714 if (region.start && region.end > region.start && !override_bios) {
715 pcibios_bus_to_resource(dev->bus, res, ®ion);
716 if (pci_claim_resource(dev, nr) == 0)
719 "Preassigned resource %d busy or not available, 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)))
744 "no resource of type %x available, trying to continue...\n",
746 res->start = res->end = res->flags = 0;
750 static void yenta_free_res(struct yenta_socket *socket, int nr)
752 struct pci_dev *dev = socket->dev;
753 struct resource *res;
755 res = &dev->resource[nr];
756 if (res->start != 0 && res->end != 0)
757 release_resource(res);
759 res->start = res->end = res->flags = 0;
763 * Allocate the bridge mappings for the device..
765 static void yenta_allocate_resources(struct yenta_socket *socket)
768 program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW,
770 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
771 program += yenta_allocate_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW,
773 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
774 program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW,
775 IORESOURCE_MEM | IORESOURCE_PREFETCH,
776 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
777 program += yenta_allocate_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW,
779 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
781 pci_setup_cardbus(socket->dev->subordinate);
786 * Free the bridge mappings for the device..
788 static void yenta_free_resources(struct yenta_socket *socket)
790 yenta_free_res(socket, PCI_CB_BRIDGE_IO_0_WINDOW);
791 yenta_free_res(socket, PCI_CB_BRIDGE_IO_1_WINDOW);
792 yenta_free_res(socket, PCI_CB_BRIDGE_MEM_0_WINDOW);
793 yenta_free_res(socket, PCI_CB_BRIDGE_MEM_1_WINDOW);
798 * Close it down - release our resources and go home..
800 static void yenta_close(struct pci_dev *dev)
802 struct yenta_socket *sock = pci_get_drvdata(dev);
804 /* Remove the register attributes */
805 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
807 /* we don't want a dying socket registered */
808 pcmcia_unregister_socket(&sock->socket);
810 /* Disable all events so we don't die in an IRQ storm */
811 cb_writel(sock, CB_SOCKET_MASK, 0x0);
812 exca_writeb(sock, I365_CSCINT, 0);
815 free_irq(sock->cb_irq, sock);
817 timer_shutdown_sync(&sock->poll_timer);
820 yenta_free_resources(sock);
822 pci_release_regions(dev);
823 pci_disable_device(dev);
824 pci_set_drvdata(dev, NULL);
829 static struct pccard_operations yenta_socket_operations = {
830 .init = yenta_sock_init,
831 .suspend = yenta_sock_suspend,
832 .get_status = yenta_get_status,
833 .set_socket = yenta_set_socket,
834 .set_io_map = yenta_set_io_map,
835 .set_mem_map = yenta_set_mem_map,
839 #ifdef CONFIG_YENTA_TI
842 #ifdef CONFIG_YENTA_RICOH
845 #ifdef CONFIG_YENTA_TOSHIBA
848 #ifdef CONFIG_YENTA_O2
853 CARDBUS_TYPE_DEFAULT = -1,
859 CARDBUS_TYPE_TOPIC95,
860 CARDBUS_TYPE_TOPIC97,
861 CARDBUS_TYPE_O2MICRO,
866 * Different cardbus controllers have slightly different
867 * initialization sequences etc details. List them here..
869 static struct cardbus_type cardbus_type[] = {
870 #ifdef CONFIG_YENTA_TI
871 [CARDBUS_TYPE_TI] = {
872 .override = ti_override,
873 .save_state = ti_save_state,
874 .restore_state = ti_restore_state,
875 .sock_init = ti_init,
877 [CARDBUS_TYPE_TI113X] = {
878 .override = ti113x_override,
879 .save_state = ti_save_state,
880 .restore_state = ti_restore_state,
881 .sock_init = ti_init,
883 [CARDBUS_TYPE_TI12XX] = {
884 .override = ti12xx_override,
885 .save_state = ti_save_state,
886 .restore_state = ti_restore_state,
887 .sock_init = ti_init,
889 [CARDBUS_TYPE_TI1250] = {
890 .override = ti1250_override,
891 .save_state = ti_save_state,
892 .restore_state = ti_restore_state,
893 .sock_init = ti_init,
895 [CARDBUS_TYPE_ENE] = {
896 .override = ene_override,
897 .save_state = ti_save_state,
898 .restore_state = ti_restore_state,
899 .sock_init = ti_init,
902 #ifdef CONFIG_YENTA_RICOH
903 [CARDBUS_TYPE_RICOH] = {
904 .override = ricoh_override,
905 .save_state = ricoh_save_state,
906 .restore_state = ricoh_restore_state,
909 #ifdef CONFIG_YENTA_TOSHIBA
910 [CARDBUS_TYPE_TOPIC95] = {
911 .override = topic95_override,
913 [CARDBUS_TYPE_TOPIC97] = {
914 .override = topic97_override,
917 #ifdef CONFIG_YENTA_O2
918 [CARDBUS_TYPE_O2MICRO] = {
919 .override = o2micro_override,
920 .restore_state = o2micro_restore_state,
926 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
934 * Probe for usable interrupts using the force
935 * register to generate bogus card status events.
937 cb_writel(socket, CB_SOCKET_EVENT, -1);
938 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
939 reg = exca_readb(socket, I365_CSCINT);
940 exca_writeb(socket, I365_CSCINT, 0);
941 val = probe_irq_on() & isa_irq_mask;
942 for (i = 1; i < 16; i++) {
943 if (!((val >> i) & 1))
945 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
946 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
948 cb_writel(socket, CB_SOCKET_EVENT, -1);
950 cb_writel(socket, CB_SOCKET_MASK, 0);
951 exca_writeb(socket, I365_CSCINT, reg);
953 mask = probe_irq_mask(val) & 0xffff;
960 * yenta PCI irq probing.
961 * currently only used in the TI/EnE initialization code
963 #ifdef CONFIG_YENTA_TI
965 /* interrupt handler, only used during probing */
966 static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
968 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
972 /* Clear interrupt status for the event */
973 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
974 cb_writel(socket, CB_SOCKET_EVENT, -1);
975 csc = exca_readb(socket, I365_CSC);
977 if (cb_event || csc) {
978 socket->probe_status = 1;
985 /* probes the PCI interrupt, use only on override functions */
986 static int yenta_probe_cb_irq(struct yenta_socket *socket)
993 socket->probe_status = 0;
995 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
996 dev_warn(&socket->dev->dev,
997 "request_irq() in yenta_probe_cb_irq() failed!\n");
1001 /* generate interrupt, wait */
1002 if (!socket->dev->irq)
1003 reg = exca_readb(socket, I365_CSCINT);
1004 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
1005 cb_writel(socket, CB_SOCKET_EVENT, -1);
1006 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
1007 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
1011 /* disable interrupts */
1012 cb_writel(socket, CB_SOCKET_MASK, 0);
1013 exca_writeb(socket, I365_CSCINT, reg);
1014 cb_writel(socket, CB_SOCKET_EVENT, -1);
1015 exca_readb(socket, I365_CSC);
1017 free_irq(socket->cb_irq, socket);
1019 return (int) socket->probe_status;
1022 #endif /* CONFIG_YENTA_TI */
1026 * Set static data that doesn't need re-initializing..
1028 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1030 socket->socket.pci_irq = socket->cb_irq;
1032 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1034 socket->socket.irq_mask = 0;
1036 dev_info(&socket->dev->dev, "ISA IRQ mask 0x%04x, PCI irq %d\n",
1037 socket->socket.irq_mask, socket->cb_irq);
1041 * Initialize the standard cardbus registers
1043 static void yenta_config_init(struct yenta_socket *socket)
1046 struct pci_dev *dev = socket->dev;
1047 struct pci_bus_region region;
1049 pcibios_resource_to_bus(socket->dev->bus, ®ion, &dev->resource[0]);
1051 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1052 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1053 config_writew(socket, PCI_COMMAND,
1055 PCI_COMMAND_MEMORY |
1056 PCI_COMMAND_MASTER |
1059 /* MAGIC NUMBERS! Fixme */
1060 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1061 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1062 config_writel(socket, PCI_PRIMARY_BUS,
1063 (176 << 24) | /* sec. latency timer */
1064 ((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */
1065 ((unsigned int)dev->subordinate->busn_res.start << 8) | /* secondary bus */
1066 dev->subordinate->primary); /* primary bus */
1069 * Set up the bridging state:
1070 * - enable write posting.
1071 * - memory window 0 prefetchable, window 1 non-prefetchable
1072 * - PCI interrupts enabled if a PCI interrupt exists..
1074 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1075 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1076 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1077 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1081 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1082 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1084 * Checks if devices on the bus which the CardBus bridge bridges to would be
1085 * invisible during PCI scans because of a misconfigured subordinate number
1086 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1087 * Does the fixup carefully by checking how far it can go without conflicts.
1088 * See http://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1090 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1092 struct pci_bus *sibling;
1093 unsigned char upper_limit;
1095 * We only check and fix the parent bridge: All systems which need
1096 * this fixup that have been reviewed are laptops and the only bridge
1097 * which needed fixing was the parent bridge of the CardBus bridge:
1099 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1101 /* Check bus numbers are already set up correctly: */
1102 if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end)
1103 return; /* The subordinate number is ok, nothing to do */
1105 if (!bridge_to_fix->parent)
1106 return; /* Root bridges are ok */
1108 /* stay within the limits of the bus range of the parent: */
1109 upper_limit = bridge_to_fix->parent->busn_res.end;
1111 /* check the bus ranges of all sibling bridges to prevent overlap */
1112 list_for_each_entry(sibling, &bridge_to_fix->parent->children,
1115 * If the sibling has a higher secondary bus number
1116 * and it's secondary is equal or smaller than our
1117 * current upper limit, set the new upper limit to
1118 * the bus number below the sibling's range:
1120 if (sibling->busn_res.start > bridge_to_fix->busn_res.end
1121 && sibling->busn_res.start <= upper_limit)
1122 upper_limit = sibling->busn_res.start - 1;
1125 /* Show that the wanted subordinate number is not possible: */
1126 if (cardbus_bridge->busn_res.end > upper_limit)
1127 dev_warn(&cardbus_bridge->dev,
1128 "Upper limit for fixing this bridge's parent bridge: #%02x\n",
1131 /* If we have room to increase the bridge's subordinate number, */
1132 if (bridge_to_fix->busn_res.end < upper_limit) {
1134 /* use the highest number of the hidden bus, within limits */
1135 unsigned char subordinate_to_assign =
1136 min_t(int, cardbus_bridge->busn_res.end, upper_limit);
1138 dev_info(&bridge_to_fix->dev,
1139 "Raising subordinate bus# of parent bus (#%02x) from #%02x to #%02x\n",
1140 bridge_to_fix->number,
1141 (int)bridge_to_fix->busn_res.end,
1142 subordinate_to_assign);
1144 /* Save the new subordinate in the bus struct of the bridge */
1145 bridge_to_fix->busn_res.end = subordinate_to_assign;
1147 /* and update the PCI config space with the new subordinate */
1148 pci_write_config_byte(bridge_to_fix->self,
1149 PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end);
1154 * Initialize a cardbus controller. Make sure we have a usable
1155 * interrupt, and that we can map the cardbus area. Fill in the
1156 * socket information structure..
1158 static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1160 struct yenta_socket *socket;
1164 * If we failed to assign proper bus numbers for this cardbus
1165 * controller during PCI probe, its subordinate pci_bus is NULL.
1168 if (!dev->subordinate) {
1169 dev_err(&dev->dev, "no bus associated! (try 'pci=assign-busses')\n");
1173 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1177 /* prepare pcmcia_socket */
1178 socket->socket.ops = ¥ta_socket_operations;
1179 socket->socket.resource_ops = &pccard_nonstatic_ops;
1180 socket->socket.dev.parent = &dev->dev;
1181 socket->socket.driver_data = socket;
1182 socket->socket.owner = THIS_MODULE;
1183 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1184 socket->socket.map_size = 0x1000;
1185 socket->socket.cb_dev = dev;
1187 /* prepare struct yenta_socket */
1189 pci_set_drvdata(dev, socket);
1192 * Do some basic sanity checking..
1194 if (pci_enable_device(dev)) {
1199 ret = pci_request_regions(dev, "yenta_socket");
1203 if (!pci_resource_start(dev, 0)) {
1204 dev_err(&dev->dev, "No cardbus resource!\n");
1210 * Ok, start setup.. Map the cardbus registers,
1211 * and request the IRQ.
1213 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1214 if (!socket->base) {
1220 * report the subsystem vendor and device for help debugging
1223 dev_info(&dev->dev, "CardBus bridge found [%04x:%04x]\n",
1224 dev->subsystem_vendor, dev->subsystem_device);
1226 yenta_config_init(socket);
1228 /* Disable all events */
1229 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1231 /* Set up the bridge regions.. */
1232 yenta_allocate_resources(socket);
1234 socket->cb_irq = dev->irq;
1236 /* Do we have special options for the device? */
1237 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1238 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1239 socket->type = &cardbus_type[id->driver_data];
1241 ret = socket->type->override(socket);
1246 /* We must finish initialization here */
1248 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1249 /* No IRQ or request_irq failed. Poll */
1250 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1251 timer_setup(&socket->poll_timer, yenta_interrupt_wrapper, 0);
1252 mod_timer(&socket->poll_timer, jiffies + HZ);
1254 "no PCI IRQ, CardBus support disabled for this socket.\n");
1256 "check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
1258 socket->socket.features |= SS_CAP_CARDBUS;
1261 /* Figure out what the dang thing can do for the PCMCIA layer... */
1262 yenta_interrogate(socket);
1263 yenta_get_socket_capabilities(socket, isa_interrupts);
1264 dev_info(&dev->dev, "Socket status: %08x\n",
1265 cb_readl(socket, CB_SOCKET_STATE));
1267 yenta_fixup_parent_bridge(dev->subordinate);
1269 /* Register it with the pcmcia layer.. */
1270 ret = pcmcia_register_socket(&socket->socket);
1274 /* Add the yenta register attributes */
1275 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1277 goto unregister_socket;
1283 pcmcia_unregister_socket(&socket->socket);
1286 free_irq(socket->cb_irq, socket);
1288 timer_shutdown_sync(&socket->poll_timer);
1290 iounmap(socket->base);
1291 yenta_free_resources(socket);
1293 pci_release_regions(dev);
1295 pci_disable_device(dev);
1297 pci_set_drvdata(dev, NULL);
1302 #ifdef CONFIG_PM_SLEEP
1303 static int yenta_dev_suspend_noirq(struct device *dev)
1305 struct pci_dev *pdev = to_pci_dev(dev);
1306 struct yenta_socket *socket = pci_get_drvdata(pdev);
1311 if (socket->type && socket->type->save_state)
1312 socket->type->save_state(socket);
1314 pci_save_state(pdev);
1315 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1316 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1317 pci_disable_device(pdev);
1322 static int yenta_dev_resume_noirq(struct device *dev)
1324 struct pci_dev *pdev = to_pci_dev(dev);
1325 struct yenta_socket *socket = pci_get_drvdata(pdev);
1331 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1332 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1334 ret = pci_enable_device(pdev);
1338 pci_set_master(pdev);
1340 if (socket->type && socket->type->restore_state)
1341 socket->type->restore_state(socket);
1346 static const struct dev_pm_ops yenta_pm_ops = {
1347 SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(yenta_dev_suspend_noirq, yenta_dev_resume_noirq)
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 const 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, ENE),
1411 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1412 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1413 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
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 = yenta_close,
1450 .driver.pm = YENTA_PM_OPS,
1453 module_pci_driver(yenta_cardbus_driver);
1455 MODULE_LICENSE("GPL");