2 * Regular cardbus driver ("yenta_socket")
4 * (C) Copyright 1999, 2000 Linus Torvalds
7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
8 * Dynamically adjust the size of the bridge resource
10 * May 2003: Dominik Brodowski <linux@brodo.de>
11 * Merge pci_socket.c and yenta.c into one file
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/workqueue.h>
16 #include <linux/interrupt.h>
17 #include <linux/delay.h>
18 #include <linux/module.h>
21 #include <pcmcia/cs_types.h>
22 #include <pcmcia/ss.h>
23 #include <pcmcia/cs.h>
25 #include "yenta_socket.h"
28 static int disable_clkrun;
29 module_param(disable_clkrun, bool, 0444);
30 MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
32 static int isa_probe = 1;
33 module_param(isa_probe, bool, 0444);
34 MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
36 static int pwr_irqs_off;
37 module_param(pwr_irqs_off, bool, 0644);
38 MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
40 static char o2_speedup[] = "default";
41 module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
42 MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
43 "or 'default' (uses recommended behaviour for the detected bridge)");
45 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
48 #define to_cycles(ns) ((ns)/120)
49 #define to_ns(cycles) ((cycles)*120)
52 * yenta PCI irq probing.
53 * currently only used in the TI/EnE initialization code
55 #ifdef CONFIG_YENTA_TI
56 static int yenta_probe_cb_irq(struct yenta_socket *socket);
60 static unsigned int override_bios;
61 module_param(override_bios, uint, 0000);
62 MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
65 * Generate easy-to-use ways of reading a cardbus sockets
66 * regular memory space ("cb_xxx"), configuration space
67 * ("config_xxx") and compatibility space ("exca_xxxx")
69 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
71 u32 val = readl(socket->base + reg);
72 debug("%04x %08x\n", socket, reg, val);
76 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
78 debug("%04x %08x\n", socket, reg, val);
79 writel(val, socket->base + reg);
80 readl(socket->base + reg); /* avoid problems with PCI write posting */
83 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
86 pci_read_config_byte(socket->dev, offset, &val);
87 debug("%04x %02x\n", socket, offset, val);
91 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
94 pci_read_config_word(socket->dev, offset, &val);
95 debug("%04x %04x\n", socket, offset, val);
99 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
102 pci_read_config_dword(socket->dev, offset, &val);
103 debug("%04x %08x\n", socket, offset, val);
107 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
109 debug("%04x %02x\n", socket, offset, val);
110 pci_write_config_byte(socket->dev, offset, val);
113 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
115 debug("%04x %04x\n", socket, offset, val);
116 pci_write_config_word(socket->dev, offset, val);
119 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
121 debug("%04x %08x\n", socket, offset, val);
122 pci_write_config_dword(socket->dev, offset, val);
125 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
127 u8 val = readb(socket->base + 0x800 + reg);
128 debug("%04x %02x\n", socket, reg, val);
132 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
135 val = readb(socket->base + 0x800 + reg);
136 val |= readb(socket->base + 0x800 + reg + 1) << 8;
137 debug("%04x %04x\n", socket, reg, val);
141 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
143 debug("%04x %02x\n", socket, reg, val);
144 writeb(val, socket->base + 0x800 + reg);
145 readb(socket->base + 0x800 + reg); /* PCI write posting... */
148 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
150 debug("%04x %04x\n", socket, reg, val);
151 writeb(val, socket->base + 0x800 + reg);
152 writeb(val >> 8, socket->base + 0x800 + reg + 1);
154 /* PCI write posting... */
155 readb(socket->base + 0x800 + reg);
156 readb(socket->base + 0x800 + reg + 1);
159 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
161 struct pci_dev *dev = to_pci_dev(yentadev);
162 struct yenta_socket *socket = pci_get_drvdata(dev);
165 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
166 for (i = 0; i < 0x24; i += 4) {
169 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
170 val = cb_readl(socket, i);
171 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
174 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
175 for (i = 0; i < 0x45; i++) {
179 memcpy(buf + offset, " -", 2);
182 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
184 val = exca_readb(socket, i);
185 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
187 buf[offset++] = '\n';
191 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
194 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
195 * on what kind of card is inserted..
197 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
199 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
201 u32 state = cb_readl(socket, CB_SOCKET_STATE);
203 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
204 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
205 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
206 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
209 if (state & CB_CBCARD) {
211 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
212 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
213 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
214 } else if (state & CB_16BITCARD) {
215 u8 status = exca_readb(socket, I365_STATUS);
216 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
217 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
218 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
220 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
221 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
223 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
224 val |= (status & I365_CS_READY) ? SS_READY : 0;
225 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
232 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
234 /* some birdges require to use the ExCA registers to power 16bit cards */
235 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
236 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
238 reg = old = exca_readb(socket, I365_POWER);
239 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
241 /* i82365SL-DF style */
242 if (socket->flags & YENTA_16BIT_POWER_DF) {
243 switch (state->Vcc) {
254 switch (state->Vpp) {
260 reg |= I365_VPP1_12V;
264 /* i82365SL-B style */
265 switch (state->Vcc) {
273 switch (state->Vpp) {
275 reg |= I365_VPP1_5V | I365_VPP2_5V;
278 reg |= I365_VPP1_12V | I365_VPP2_12V;
284 exca_writeb(socket, I365_POWER, reg);
286 u32 reg = 0; /* CB_SC_STPCLK? */
287 switch (state->Vcc) {
298 switch (state->Vpp) {
306 reg |= CB_SC_VPP_12V;
309 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
310 cb_writel(socket, CB_SOCKET_CONTROL, reg);
314 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
316 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
319 /* if powering down: do it immediately */
321 yenta_set_power(socket, state);
323 socket->io_irq = state->io_irq;
324 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
325 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
327 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
329 /* ISA interrupt control? */
330 intr = exca_readb(socket, I365_INTCTL);
331 intr = (intr & ~0xf);
332 if (!socket->cb_irq) {
333 intr |= state->io_irq;
334 bridge |= CB_BRIDGE_INTR;
336 exca_writeb(socket, I365_INTCTL, intr);
340 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
341 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
342 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
343 if (state->io_irq != socket->cb_irq) {
344 reg |= state->io_irq;
345 bridge |= CB_BRIDGE_INTR;
347 exca_writeb(socket, I365_INTCTL, reg);
349 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
350 reg |= I365_PWR_NORESET;
351 if (state->flags & SS_PWR_AUTO)
352 reg |= I365_PWR_AUTO;
353 if (state->flags & SS_OUTPUT_ENA)
355 if (exca_readb(socket, I365_POWER) != reg)
356 exca_writeb(socket, I365_POWER, reg);
358 /* CSC interrupt: no ISA irq for CSC */
359 reg = exca_readb(socket, I365_CSCINT);
360 reg &= I365_CSC_IRQ_MASK;
361 reg |= I365_CSC_DETECT;
362 if (state->flags & SS_IOCARD) {
363 if (state->csc_mask & SS_STSCHG)
364 reg |= I365_CSC_STSCHG;
366 if (state->csc_mask & SS_BATDEAD)
367 reg |= I365_CSC_BVD1;
368 if (state->csc_mask & SS_BATWARN)
369 reg |= I365_CSC_BVD2;
370 if (state->csc_mask & SS_READY)
371 reg |= I365_CSC_READY;
373 exca_writeb(socket, I365_CSCINT, reg);
374 exca_readb(socket, I365_CSC);
375 if (sock->zoom_video)
376 sock->zoom_video(sock, state->flags & SS_ZVCARD);
378 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
379 /* Socket event mask: get card insert/remove events.. */
380 cb_writel(socket, CB_SOCKET_EVENT, -1);
381 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
383 /* if powering up: do it as the last step when the socket is configured */
385 yenta_set_power(socket, state);
389 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
391 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
393 unsigned char ioctl, addr, enable;
400 enable = I365_ENA_IO(map);
401 addr = exca_readb(socket, I365_ADDRWIN);
403 /* Disable the window before changing it.. */
406 exca_writeb(socket, I365_ADDRWIN, addr);
409 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
410 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
412 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
413 if (io->flags & MAP_0WS)
414 ioctl |= I365_IOCTL_0WS(map);
415 if (io->flags & MAP_16BIT)
416 ioctl |= I365_IOCTL_16BIT(map);
417 if (io->flags & MAP_AUTOSZ)
418 ioctl |= I365_IOCTL_IOCS16(map);
419 exca_writeb(socket, I365_IOCTL, ioctl);
421 if (io->flags & MAP_ACTIVE)
422 exca_writeb(socket, I365_ADDRWIN, addr | enable);
426 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
428 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
429 struct pci_bus_region region;
431 unsigned char addr, enable;
432 unsigned int start, stop, card_start;
435 pcibios_resource_to_bus(socket->dev, ®ion, mem->res);
438 start = region.start;
440 card_start = mem->card_start;
442 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
443 (card_start >> 26) || mem->speed > 1000)
446 enable = I365_ENA_MEM(map);
447 addr = exca_readb(socket, I365_ADDRWIN);
450 exca_writeb(socket, I365_ADDRWIN, addr);
453 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
455 word = (start >> 12) & 0x0fff;
456 if (mem->flags & MAP_16BIT)
457 word |= I365_MEM_16BIT;
458 if (mem->flags & MAP_0WS)
459 word |= I365_MEM_0WS;
460 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
462 word = (stop >> 12) & 0x0fff;
463 switch (to_cycles(mem->speed)) {
467 word |= I365_MEM_WS0;
470 word |= I365_MEM_WS1;
473 word |= I365_MEM_WS1 | I365_MEM_WS0;
476 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
478 word = ((card_start - start) >> 12) & 0x3fff;
479 if (mem->flags & MAP_WRPROT)
480 word |= I365_MEM_WRPROT;
481 if (mem->flags & MAP_ATTRIB)
482 word |= I365_MEM_REG;
483 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
485 if (mem->flags & MAP_ACTIVE)
486 exca_writeb(socket, I365_ADDRWIN, addr | enable);
492 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
495 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
499 /* Clear interrupt status for the event */
500 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
501 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
503 csc = exca_readb(socket, I365_CSC);
505 if (!(cb_event || csc))
508 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
509 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
510 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
511 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
513 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
514 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
515 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
519 pcmcia_parse_events(&socket->socket, events);
524 static void yenta_interrupt_wrapper(unsigned long data)
526 struct yenta_socket *socket = (struct yenta_socket *) data;
528 yenta_interrupt(0, (void *)socket);
529 socket->poll_timer.expires = jiffies + HZ;
530 add_timer(&socket->poll_timer);
533 static void yenta_clear_maps(struct yenta_socket *socket)
536 struct resource res = { .start = 0, .end = 0x0fff };
537 pccard_io_map io = { 0, 0, 0, 0, 1 };
538 pccard_mem_map mem = { .res = &res, };
540 yenta_set_socket(&socket->socket, &dead_socket);
541 for (i = 0; i < 2; i++) {
543 yenta_set_io_map(&socket->socket, &io);
545 for (i = 0; i < 5; i++) {
547 yenta_set_mem_map(&socket->socket, &mem);
551 /* redoes voltage interrogation if required */
552 static void yenta_interrogate(struct yenta_socket *socket)
556 state = cb_readl(socket, CB_SOCKET_STATE);
557 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
558 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
559 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
560 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
563 /* Called at resume and initialization events */
564 static int yenta_sock_init(struct pcmcia_socket *sock)
566 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
568 exca_writeb(socket, I365_GBLCTL, 0x00);
569 exca_writeb(socket, I365_GENCTL, 0x00);
571 /* Redo card voltage interrogation */
572 yenta_interrogate(socket);
574 yenta_clear_maps(socket);
576 if (socket->type && socket->type->sock_init)
577 socket->type->sock_init(socket);
579 /* Re-enable CSC interrupts */
580 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
585 static int yenta_sock_suspend(struct pcmcia_socket *sock)
587 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
589 /* Disable CSC interrupts */
590 cb_writel(socket, CB_SOCKET_MASK, 0x0);
596 * Use an adaptive allocation for the memory resource,
597 * sometimes the memory behind pci bridges is limited:
598 * 1/8 of the size of the io window of the parent.
599 * max 4 MB, min 16 kB. We try very hard to not get below
600 * the "ACC" values, though.
602 #define BRIDGE_MEM_MAX (4*1024*1024)
603 #define BRIDGE_MEM_ACC (128*1024)
604 #define BRIDGE_MEM_MIN (16*1024)
606 #define BRIDGE_IO_MAX 512
607 #define BRIDGE_IO_ACC 256
608 #define BRIDGE_IO_MIN 32
610 #ifndef PCIBIOS_MIN_CARDBUS_IO
611 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
614 static int yenta_search_one_res(struct resource *root, struct resource *res,
617 u32 align, size, start, end;
619 if (res->flags & IORESOURCE_IO) {
621 size = BRIDGE_IO_MAX;
622 start = PCIBIOS_MIN_CARDBUS_IO;
625 unsigned long avail = root->end - root->start;
627 size = BRIDGE_MEM_MAX;
628 if (size > avail/8) {
630 /* round size down to next power of 2 */
632 while ((size /= 2) != 0)
639 start = PCIBIOS_MIN_MEM;
644 if (allocate_resource(root, res, size, start, end, align,
650 } while (size >= min);
656 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
659 struct resource *root;
662 pci_bus_for_each_resource(socket->dev->bus, root, i) {
666 if ((res->flags ^ root->flags) &
667 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
668 continue; /* Wrong type */
670 if (yenta_search_one_res(root, res, min))
676 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
678 struct pci_dev *dev = socket->dev;
679 struct resource *res;
680 struct pci_bus_region region;
683 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
684 /* Already allocated? */
688 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
690 if (type & IORESOURCE_IO)
693 res->name = dev->subordinate->name;
696 region.start = config_readl(socket, addr_start) & mask;
697 region.end = config_readl(socket, addr_end) | ~mask;
698 if (region.start && region.end > region.start && !override_bios) {
699 pcibios_bus_to_resource(dev, res, ®ion);
700 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
702 dev_printk(KERN_INFO, &dev->dev,
703 "Preassigned resource %d busy or not available, "
704 "reconfiguring...\n",
708 if (type & IORESOURCE_IO) {
709 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
710 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
711 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
714 if (type & IORESOURCE_PREFETCH) {
715 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
716 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
717 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
719 /* Approximating prefetchable by non-prefetchable */
720 res->flags = IORESOURCE_MEM;
722 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
723 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
724 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
728 dev_printk(KERN_INFO, &dev->dev,
729 "no resource of type %x available, trying to continue...\n",
731 res->start = res->end = res->flags = 0;
736 * Allocate the bridge mappings for the device..
738 static void yenta_allocate_resources(struct yenta_socket *socket)
741 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
742 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
743 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
744 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
745 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
746 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
747 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
748 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
750 pci_setup_cardbus(socket->dev->subordinate);
755 * Free the bridge mappings for the device..
757 static void yenta_free_resources(struct yenta_socket *socket)
760 for (i = 0; i < 4; i++) {
761 struct resource *res;
762 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
763 if (res->start != 0 && res->end != 0)
764 release_resource(res);
765 res->start = res->end = res->flags = 0;
771 * Close it down - release our resources and go home..
773 static void __devexit yenta_close(struct pci_dev *dev)
775 struct yenta_socket *sock = pci_get_drvdata(dev);
777 /* Remove the register attributes */
778 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
780 /* we don't want a dying socket registered */
781 pcmcia_unregister_socket(&sock->socket);
783 /* Disable all events so we don't die in an IRQ storm */
784 cb_writel(sock, CB_SOCKET_MASK, 0x0);
785 exca_writeb(sock, I365_CSCINT, 0);
788 free_irq(sock->cb_irq, sock);
790 del_timer_sync(&sock->poll_timer);
794 yenta_free_resources(sock);
796 pci_release_regions(dev);
797 pci_disable_device(dev);
798 pci_set_drvdata(dev, NULL);
802 static struct pccard_operations yenta_socket_operations = {
803 .init = yenta_sock_init,
804 .suspend = yenta_sock_suspend,
805 .get_status = yenta_get_status,
806 .set_socket = yenta_set_socket,
807 .set_io_map = yenta_set_io_map,
808 .set_mem_map = yenta_set_mem_map,
812 #ifdef CONFIG_YENTA_TI
815 #ifdef CONFIG_YENTA_RICOH
818 #ifdef CONFIG_YENTA_TOSHIBA
821 #ifdef CONFIG_YENTA_O2
826 CARDBUS_TYPE_DEFAULT = -1,
832 CARDBUS_TYPE_TOPIC95,
833 CARDBUS_TYPE_TOPIC97,
834 CARDBUS_TYPE_O2MICRO,
839 * Different cardbus controllers have slightly different
840 * initialization sequences etc details. List them here..
842 static struct cardbus_type cardbus_type[] = {
843 #ifdef CONFIG_YENTA_TI
844 [CARDBUS_TYPE_TI] = {
845 .override = ti_override,
846 .save_state = ti_save_state,
847 .restore_state = ti_restore_state,
848 .sock_init = ti_init,
850 [CARDBUS_TYPE_TI113X] = {
851 .override = ti113x_override,
852 .save_state = ti_save_state,
853 .restore_state = ti_restore_state,
854 .sock_init = ti_init,
856 [CARDBUS_TYPE_TI12XX] = {
857 .override = ti12xx_override,
858 .save_state = ti_save_state,
859 .restore_state = ti_restore_state,
860 .sock_init = ti_init,
862 [CARDBUS_TYPE_TI1250] = {
863 .override = ti1250_override,
864 .save_state = ti_save_state,
865 .restore_state = ti_restore_state,
866 .sock_init = ti_init,
869 #ifdef CONFIG_YENTA_RICOH
870 [CARDBUS_TYPE_RICOH] = {
871 .override = ricoh_override,
872 .save_state = ricoh_save_state,
873 .restore_state = ricoh_restore_state,
876 #ifdef CONFIG_YENTA_TOSHIBA
877 [CARDBUS_TYPE_TOPIC95] = {
878 .override = topic95_override,
880 [CARDBUS_TYPE_TOPIC97] = {
881 .override = topic97_override,
884 #ifdef CONFIG_YENTA_O2
885 [CARDBUS_TYPE_O2MICRO] = {
886 .override = o2micro_override,
887 .restore_state = o2micro_restore_state,
890 #ifdef CONFIG_YENTA_TI
891 [CARDBUS_TYPE_ENE] = {
892 .override = ene_override,
893 .save_state = ti_save_state,
894 .restore_state = ti_restore_state,
895 .sock_init = ti_init,
902 * Only probe "regular" interrupts, don't
903 * touch dangerous spots like the mouse irq,
904 * because there are mice that apparently
905 * get really confused if they get fondled
908 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
910 static u32 isa_interrupts = 0x0ef8;
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 reg = exca_readb(socket, I365_CSCINT);
989 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
990 cb_writel(socket, CB_SOCKET_EVENT, -1);
991 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
992 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
996 /* disable interrupts */
997 cb_writel(socket, CB_SOCKET_MASK, 0);
998 exca_writeb(socket, I365_CSCINT, reg);
999 cb_writel(socket, CB_SOCKET_EVENT, -1);
1000 exca_readb(socket, I365_CSC);
1002 free_irq(socket->cb_irq, socket);
1004 return (int) socket->probe_status;
1007 #endif /* CONFIG_YENTA_TI */
1011 * Set static data that doesn't need re-initializing..
1013 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1015 socket->socket.pci_irq = socket->cb_irq;
1017 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1019 socket->socket.irq_mask = 0;
1021 dev_printk(KERN_INFO, &socket->dev->dev,
1022 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1023 socket->socket.irq_mask, socket->cb_irq);
1027 * Initialize the standard cardbus registers
1029 static void yenta_config_init(struct yenta_socket *socket)
1032 struct pci_dev *dev = socket->dev;
1033 struct pci_bus_region region;
1035 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]);
1037 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1038 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1039 config_writew(socket, PCI_COMMAND,
1041 PCI_COMMAND_MEMORY |
1042 PCI_COMMAND_MASTER |
1045 /* MAGIC NUMBERS! Fixme */
1046 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1047 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1048 config_writel(socket, PCI_PRIMARY_BUS,
1049 (176 << 24) | /* sec. latency timer */
1050 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1051 (dev->subordinate->secondary << 8) | /* secondary bus */
1052 dev->subordinate->primary); /* primary bus */
1055 * Set up the bridging state:
1056 * - enable write posting.
1057 * - memory window 0 prefetchable, window 1 non-prefetchable
1058 * - PCI interrupts enabled if a PCI interrupt exists..
1060 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1061 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1062 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1063 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1067 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1068 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1070 * Checks if devices on the bus which the CardBus bridge bridges to would be
1071 * invisible during PCI scans because of a misconfigured subordinate number
1072 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1073 * Does the fixup carefully by checking how far it can go without conflicts.
1074 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1076 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1078 struct list_head *tmp;
1079 unsigned char upper_limit;
1081 * We only check and fix the parent bridge: All systems which need
1082 * this fixup that have been reviewed are laptops and the only bridge
1083 * which needed fixing was the parent bridge of the CardBus bridge:
1085 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1087 /* Check bus numbers are already set up correctly: */
1088 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1089 return; /* The subordinate number is ok, nothing to do */
1091 if (!bridge_to_fix->parent)
1092 return; /* Root bridges are ok */
1094 /* stay within the limits of the bus range of the parent: */
1095 upper_limit = bridge_to_fix->parent->subordinate;
1097 /* check the bus ranges of all silbling bridges to prevent overlap */
1098 list_for_each(tmp, &bridge_to_fix->parent->children) {
1099 struct pci_bus *silbling = pci_bus_b(tmp);
1101 * If the silbling has a higher secondary bus number
1102 * and it's secondary is equal or smaller than our
1103 * current upper limit, set the new upper limit to
1104 * the bus number below the silbling's range:
1106 if (silbling->secondary > bridge_to_fix->subordinate
1107 && silbling->secondary <= upper_limit)
1108 upper_limit = silbling->secondary - 1;
1111 /* Show that the wanted subordinate number is not possible: */
1112 if (cardbus_bridge->subordinate > upper_limit)
1113 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1114 "Upper limit for fixing this "
1115 "bridge's parent bridge: #%02x\n", upper_limit);
1117 /* If we have room to increase the bridge's subordinate number, */
1118 if (bridge_to_fix->subordinate < upper_limit) {
1120 /* use the highest number of the hidden bus, within limits */
1121 unsigned char subordinate_to_assign =
1122 min(cardbus_bridge->subordinate, upper_limit);
1124 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1125 "Raising subordinate bus# of parent "
1126 "bus (#%02x) from #%02x to #%02x\n",
1127 bridge_to_fix->number,
1128 bridge_to_fix->subordinate, subordinate_to_assign);
1130 /* Save the new subordinate in the bus struct of the bridge */
1131 bridge_to_fix->subordinate = subordinate_to_assign;
1133 /* and update the PCI config space with the new subordinate */
1134 pci_write_config_byte(bridge_to_fix->self,
1135 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1140 * Initialize a cardbus controller. Make sure we have a usable
1141 * interrupt, and that we can map the cardbus area. Fill in the
1142 * socket information structure..
1144 static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1146 struct yenta_socket *socket;
1150 * If we failed to assign proper bus numbers for this cardbus
1151 * controller during PCI probe, its subordinate pci_bus is NULL.
1154 if (!dev->subordinate) {
1155 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1156 "(try 'pci=assign-busses')\n");
1160 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1164 /* prepare pcmcia_socket */
1165 socket->socket.ops = ¥ta_socket_operations;
1166 socket->socket.resource_ops = &pccard_nonstatic_ops;
1167 socket->socket.dev.parent = &dev->dev;
1168 socket->socket.driver_data = socket;
1169 socket->socket.owner = THIS_MODULE;
1170 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1171 socket->socket.map_size = 0x1000;
1172 socket->socket.cb_dev = dev;
1174 /* prepare struct yenta_socket */
1176 pci_set_drvdata(dev, socket);
1179 * Do some basic sanity checking..
1181 if (pci_enable_device(dev)) {
1186 ret = pci_request_regions(dev, "yenta_socket");
1190 if (!pci_resource_start(dev, 0)) {
1191 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
1197 * Ok, start setup.. Map the cardbus registers,
1198 * and request the IRQ.
1200 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1201 if (!socket->base) {
1207 * report the subsystem vendor and device for help debugging
1210 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1211 dev->subsystem_vendor, dev->subsystem_device);
1213 yenta_config_init(socket);
1215 /* Disable all events */
1216 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1218 /* Set up the bridge regions.. */
1219 yenta_allocate_resources(socket);
1221 socket->cb_irq = dev->irq;
1223 /* Do we have special options for the device? */
1224 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1225 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1226 socket->type = &cardbus_type[id->driver_data];
1228 ret = socket->type->override(socket);
1233 /* We must finish initialization here */
1235 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1236 /* No IRQ or request_irq failed. Poll */
1237 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1238 init_timer(&socket->poll_timer);
1239 socket->poll_timer.function = yenta_interrupt_wrapper;
1240 socket->poll_timer.data = (unsigned long)socket;
1241 socket->poll_timer.expires = jiffies + HZ;
1242 add_timer(&socket->poll_timer);
1243 dev_printk(KERN_INFO, &dev->dev,
1244 "no PCI IRQ, CardBus support disabled for this "
1246 dev_printk(KERN_INFO, &dev->dev,
1247 "check your BIOS CardBus, BIOS IRQ or ACPI "
1250 socket->socket.features |= SS_CAP_CARDBUS;
1253 /* Figure out what the dang thing can do for the PCMCIA layer... */
1254 yenta_interrogate(socket);
1255 yenta_get_socket_capabilities(socket, isa_interrupts);
1256 dev_printk(KERN_INFO, &dev->dev,
1257 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1259 yenta_fixup_parent_bridge(dev->subordinate);
1261 /* Register it with the pcmcia layer.. */
1262 ret = pcmcia_register_socket(&socket->socket);
1264 /* Add the yenta register attributes */
1265 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1270 pcmcia_unregister_socket(&socket->socket);
1274 iounmap(socket->base);
1276 pci_release_regions(dev);
1278 pci_disable_device(dev);
1286 static int yenta_dev_suspend_noirq(struct device *dev)
1288 struct pci_dev *pdev = to_pci_dev(dev);
1289 struct yenta_socket *socket = pci_get_drvdata(pdev);
1292 ret = pcmcia_socket_dev_suspend(dev);
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);
1306 * Some laptops (IBM T22) do not like us putting the Cardbus
1307 * bridge into D3. At a guess, some other laptop will
1308 * probably require this, so leave it commented out for now.
1310 /* pci_set_power_state(dev, 3); */
1315 static int yenta_dev_resume_noirq(struct device *dev)
1317 struct pci_dev *pdev = to_pci_dev(dev);
1318 struct yenta_socket *socket = pci_get_drvdata(pdev);
1324 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1325 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1327 ret = pci_enable_device(pdev);
1331 pci_set_master(pdev);
1333 if (socket->type && socket->type->restore_state)
1334 socket->type->restore_state(socket);
1336 pcmcia_socket_dev_early_resume(dev);
1340 static int yenta_dev_resume(struct device *dev)
1342 pcmcia_socket_dev_late_resume(dev);
1346 static const struct dev_pm_ops yenta_pm_ops = {
1347 .suspend_noirq = yenta_dev_suspend_noirq,
1348 .resume_noirq = yenta_dev_resume_noirq,
1349 .resume = yenta_dev_resume,
1350 .freeze_noirq = yenta_dev_suspend_noirq,
1351 .thaw_noirq = yenta_dev_resume_noirq,
1352 .thaw = yenta_dev_resume,
1353 .poweroff_noirq = yenta_dev_suspend_noirq,
1354 .restore_noirq = yenta_dev_resume_noirq,
1355 .restore = yenta_dev_resume,
1358 #define YENTA_PM_OPS (¥ta_pm_ops)
1360 #define YENTA_PM_OPS NULL
1363 #define CB_ID(vend, dev, type) \
1367 .subvendor = PCI_ANY_ID, \
1368 .subdevice = PCI_ANY_ID, \
1369 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1371 .driver_data = CARDBUS_TYPE_##type, \
1374 static struct pci_device_id yenta_table[] = {
1375 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1378 * TBD: Check if these TI variants can use more
1379 * advanced overrides instead. (I can't get the
1380 * data sheets for these devices. --rmk)
1382 #ifdef CONFIG_YENTA_TI
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1386 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1388 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1389 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1390 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1391 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1396 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1397 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1398 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1399 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1400 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1401 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1402 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1403 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1404 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1406 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1407 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1409 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1410 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
1411 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
1412 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1413 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1414 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1415 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1416 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1418 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1419 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1420 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1421 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
1422 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1423 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1424 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1425 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
1426 #endif /* CONFIG_YENTA_TI */
1428 #ifdef CONFIG_YENTA_RICOH
1429 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1430 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1431 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1432 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1433 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1436 #ifdef CONFIG_YENTA_TOSHIBA
1437 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1438 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1439 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1442 #ifdef CONFIG_YENTA_O2
1443 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1446 /* match any cardbus bridge */
1447 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1448 { /* all zeroes */ }
1450 MODULE_DEVICE_TABLE(pci, yenta_table);
1453 static struct pci_driver yenta_cardbus_driver = {
1454 .name = "yenta_cardbus",
1455 .id_table = yenta_table,
1456 .probe = yenta_probe,
1457 .remove = __devexit_p(yenta_close),
1458 .driver.pm = YENTA_PM_OPS,
1462 static int __init yenta_socket_init(void)
1464 return pci_register_driver(¥ta_cardbus_driver);
1468 static void __exit yenta_socket_exit(void)
1470 pci_unregister_driver(¥ta_cardbus_driver);
1474 module_init(yenta_socket_init);
1475 module_exit(yenta_socket_exit);
1477 MODULE_LICENSE("GPL");