2 * Regular cardbus driver ("yenta_socket")
4 * (C) Copyright 1999, 2000 Linus Torvalds
7 * Aug 2002: Manfred Spraul <manfred@colorfullife.com>
8 * Dynamically adjust the size of the bridge resource
10 * May 2003: Dominik Brodowski <linux@brodo.de>
11 * Merge pci_socket.c and yenta.c into one file
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/workqueue.h>
16 #include <linux/interrupt.h>
17 #include <linux/delay.h>
18 #include <linux/module.h>
20 #include <linux/slab.h>
22 #include <pcmcia/ss.h>
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)");
46 * Only probe "regular" interrupts, don't
47 * touch dangerous spots like the mouse irq,
48 * because there are mice that apparently
49 * get really confused if they get fondled
52 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
54 static u32 isa_interrupts = 0x0ef8;
57 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
60 #define to_cycles(ns) ((ns)/120)
61 #define to_ns(cycles) ((cycles)*120)
64 * yenta PCI irq probing.
65 * currently only used in the TI/EnE initialization code
67 #ifdef CONFIG_YENTA_TI
68 static int yenta_probe_cb_irq(struct yenta_socket *socket);
69 static unsigned int yenta_probe_irq(struct yenta_socket *socket,
74 static unsigned int override_bios;
75 module_param(override_bios, uint, 0000);
76 MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");
79 * Generate easy-to-use ways of reading a cardbus sockets
80 * regular memory space ("cb_xxx"), configuration space
81 * ("config_xxx") and compatibility space ("exca_xxxx")
83 static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
85 u32 val = readl(socket->base + reg);
86 debug("%04x %08x\n", socket, reg, val);
90 static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
92 debug("%04x %08x\n", socket, reg, val);
93 writel(val, socket->base + reg);
94 readl(socket->base + reg); /* avoid problems with PCI write posting */
97 static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
100 pci_read_config_byte(socket->dev, offset, &val);
101 debug("%04x %02x\n", socket, offset, val);
105 static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
108 pci_read_config_word(socket->dev, offset, &val);
109 debug("%04x %04x\n", socket, offset, val);
113 static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
116 pci_read_config_dword(socket->dev, offset, &val);
117 debug("%04x %08x\n", socket, offset, val);
121 static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
123 debug("%04x %02x\n", socket, offset, val);
124 pci_write_config_byte(socket->dev, offset, val);
127 static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
129 debug("%04x %04x\n", socket, offset, val);
130 pci_write_config_word(socket->dev, offset, val);
133 static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
135 debug("%04x %08x\n", socket, offset, val);
136 pci_write_config_dword(socket->dev, offset, val);
139 static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
141 u8 val = readb(socket->base + 0x800 + reg);
142 debug("%04x %02x\n", socket, reg, val);
146 static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
149 val = readb(socket->base + 0x800 + reg);
150 val |= readb(socket->base + 0x800 + reg + 1) << 8;
151 debug("%04x %04x\n", socket, reg, val);
155 static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
157 debug("%04x %02x\n", socket, reg, val);
158 writeb(val, socket->base + 0x800 + reg);
159 readb(socket->base + 0x800 + reg); /* PCI write posting... */
162 static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
164 debug("%04x %04x\n", socket, reg, val);
165 writeb(val, socket->base + 0x800 + reg);
166 writeb(val >> 8, socket->base + 0x800 + reg + 1);
168 /* PCI write posting... */
169 readb(socket->base + 0x800 + reg);
170 readb(socket->base + 0x800 + reg + 1);
173 static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
175 struct pci_dev *dev = to_pci_dev(yentadev);
176 struct yenta_socket *socket = pci_get_drvdata(dev);
179 offset = snprintf(buf, PAGE_SIZE, "CB registers:");
180 for (i = 0; i < 0x24; i += 4) {
183 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
184 val = cb_readl(socket, i);
185 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
188 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
189 for (i = 0; i < 0x45; i++) {
193 memcpy(buf + offset, " -", 2);
196 offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
198 val = exca_readb(socket, i);
199 offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
201 buf[offset++] = '\n';
205 static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);
208 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
209 * on what kind of card is inserted..
211 static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
213 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
215 u32 state = cb_readl(socket, CB_SOCKET_STATE);
217 val = (state & CB_3VCARD) ? SS_3VCARD : 0;
218 val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
219 val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
220 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;
223 if (state & CB_CBCARD) {
225 val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
226 val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
227 val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
228 } else if (state & CB_16BITCARD) {
229 u8 status = exca_readb(socket, I365_STATUS);
230 val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
231 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
232 val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
234 val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
235 val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
237 val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
238 val |= (status & I365_CS_READY) ? SS_READY : 0;
239 val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
246 static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
248 /* some birdges require to use the ExCA registers to power 16bit cards */
249 if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
250 (socket->flags & YENTA_16BIT_POWER_EXCA)) {
252 reg = old = exca_readb(socket, I365_POWER);
253 reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);
255 /* i82365SL-DF style */
256 if (socket->flags & YENTA_16BIT_POWER_DF) {
257 switch (state->Vcc) {
268 switch (state->Vpp) {
274 reg |= I365_VPP1_12V;
278 /* i82365SL-B style */
279 switch (state->Vcc) {
287 switch (state->Vpp) {
289 reg |= I365_VPP1_5V | I365_VPP2_5V;
292 reg |= I365_VPP1_12V | I365_VPP2_12V;
298 exca_writeb(socket, I365_POWER, reg);
300 u32 reg = 0; /* CB_SC_STPCLK? */
301 switch (state->Vcc) {
312 switch (state->Vpp) {
320 reg |= CB_SC_VPP_12V;
323 if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
324 cb_writel(socket, CB_SOCKET_CONTROL, reg);
328 static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
330 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
333 /* if powering down: do it immediately */
335 yenta_set_power(socket, state);
337 socket->io_irq = state->io_irq;
338 bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
339 if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
341 bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;
343 /* ISA interrupt control? */
344 intr = exca_readb(socket, I365_INTCTL);
345 intr = (intr & ~0xf);
346 if (!socket->dev->irq) {
347 intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
348 bridge |= CB_BRIDGE_INTR;
350 exca_writeb(socket, I365_INTCTL, intr);
354 reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
355 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
356 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
357 if (state->io_irq != socket->dev->irq) {
358 reg |= state->io_irq;
359 bridge |= CB_BRIDGE_INTR;
361 exca_writeb(socket, I365_INTCTL, reg);
363 reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
364 reg |= I365_PWR_NORESET;
365 if (state->flags & SS_PWR_AUTO)
366 reg |= I365_PWR_AUTO;
367 if (state->flags & SS_OUTPUT_ENA)
369 if (exca_readb(socket, I365_POWER) != reg)
370 exca_writeb(socket, I365_POWER, reg);
372 /* CSC interrupt: no ISA irq for CSC */
373 reg = exca_readb(socket, I365_CSCINT);
374 reg &= I365_CSC_IRQ_MASK;
375 reg |= I365_CSC_DETECT;
376 if (state->flags & SS_IOCARD) {
377 if (state->csc_mask & SS_STSCHG)
378 reg |= I365_CSC_STSCHG;
380 if (state->csc_mask & SS_BATDEAD)
381 reg |= I365_CSC_BVD1;
382 if (state->csc_mask & SS_BATWARN)
383 reg |= I365_CSC_BVD2;
384 if (state->csc_mask & SS_READY)
385 reg |= I365_CSC_READY;
387 exca_writeb(socket, I365_CSCINT, reg);
388 exca_readb(socket, I365_CSC);
389 if (sock->zoom_video)
390 sock->zoom_video(sock, state->flags & SS_ZVCARD);
392 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
393 /* Socket event mask: get card insert/remove events.. */
394 cb_writel(socket, CB_SOCKET_EVENT, -1);
395 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
397 /* if powering up: do it as the last step when the socket is configured */
399 yenta_set_power(socket, state);
403 static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
405 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
407 unsigned char ioctl, addr, enable;
414 enable = I365_ENA_IO(map);
415 addr = exca_readb(socket, I365_ADDRWIN);
417 /* Disable the window before changing it.. */
420 exca_writeb(socket, I365_ADDRWIN, addr);
423 exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
424 exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);
426 ioctl = exca_readb(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
427 if (io->flags & MAP_0WS)
428 ioctl |= I365_IOCTL_0WS(map);
429 if (io->flags & MAP_16BIT)
430 ioctl |= I365_IOCTL_16BIT(map);
431 if (io->flags & MAP_AUTOSZ)
432 ioctl |= I365_IOCTL_IOCS16(map);
433 exca_writeb(socket, I365_IOCTL, ioctl);
435 if (io->flags & MAP_ACTIVE)
436 exca_writeb(socket, I365_ADDRWIN, addr | enable);
440 static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
442 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
443 struct pci_bus_region region;
445 unsigned char addr, enable;
446 unsigned int start, stop, card_start;
449 pcibios_resource_to_bus(socket->dev, ®ion, mem->res);
452 start = region.start;
454 card_start = mem->card_start;
456 if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
457 (card_start >> 26) || mem->speed > 1000)
460 enable = I365_ENA_MEM(map);
461 addr = exca_readb(socket, I365_ADDRWIN);
464 exca_writeb(socket, I365_ADDRWIN, addr);
467 exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);
469 word = (start >> 12) & 0x0fff;
470 if (mem->flags & MAP_16BIT)
471 word |= I365_MEM_16BIT;
472 if (mem->flags & MAP_0WS)
473 word |= I365_MEM_0WS;
474 exca_writew(socket, I365_MEM(map) + I365_W_START, word);
476 word = (stop >> 12) & 0x0fff;
477 switch (to_cycles(mem->speed)) {
481 word |= I365_MEM_WS0;
484 word |= I365_MEM_WS1;
487 word |= I365_MEM_WS1 | I365_MEM_WS0;
490 exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);
492 word = ((card_start - start) >> 12) & 0x3fff;
493 if (mem->flags & MAP_WRPROT)
494 word |= I365_MEM_WRPROT;
495 if (mem->flags & MAP_ATTRIB)
496 word |= I365_MEM_REG;
497 exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);
499 if (mem->flags & MAP_ACTIVE)
500 exca_writeb(socket, I365_ADDRWIN, addr | enable);
506 static irqreturn_t yenta_interrupt(int irq, void *dev_id)
509 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
513 /* Clear interrupt status for the event */
514 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
515 cb_writel(socket, CB_SOCKET_EVENT, cb_event);
517 csc = exca_readb(socket, I365_CSC);
519 if (!(cb_event || csc))
522 events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
523 events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
524 if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
525 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
527 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
528 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
529 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
533 pcmcia_parse_events(&socket->socket, events);
538 static void yenta_interrupt_wrapper(unsigned long data)
540 struct yenta_socket *socket = (struct yenta_socket *) data;
542 yenta_interrupt(0, (void *)socket);
543 socket->poll_timer.expires = jiffies + HZ;
544 add_timer(&socket->poll_timer);
547 static void yenta_clear_maps(struct yenta_socket *socket)
550 struct resource res = { .start = 0, .end = 0x0fff };
551 pccard_io_map io = { 0, 0, 0, 0, 1 };
552 pccard_mem_map mem = { .res = &res, };
554 yenta_set_socket(&socket->socket, &dead_socket);
555 for (i = 0; i < 2; i++) {
557 yenta_set_io_map(&socket->socket, &io);
559 for (i = 0; i < 5; i++) {
561 yenta_set_mem_map(&socket->socket, &mem);
565 /* redoes voltage interrogation if required */
566 static void yenta_interrogate(struct yenta_socket *socket)
570 state = cb_readl(socket, CB_SOCKET_STATE);
571 if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
572 (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
573 ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
574 cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
577 /* Called at resume and initialization events */
578 static int yenta_sock_init(struct pcmcia_socket *sock)
580 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
582 exca_writeb(socket, I365_GBLCTL, 0x00);
583 exca_writeb(socket, I365_GENCTL, 0x00);
585 /* Redo card voltage interrogation */
586 yenta_interrogate(socket);
588 yenta_clear_maps(socket);
590 if (socket->type && socket->type->sock_init)
591 socket->type->sock_init(socket);
593 /* Re-enable CSC interrupts */
594 cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);
599 static int yenta_sock_suspend(struct pcmcia_socket *sock)
601 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
603 /* Disable CSC interrupts */
604 cb_writel(socket, CB_SOCKET_MASK, 0x0);
610 * Use an adaptive allocation for the memory resource,
611 * sometimes the memory behind pci bridges is limited:
612 * 1/8 of the size of the io window of the parent.
613 * max 4 MB, min 16 kB. We try very hard to not get below
614 * the "ACC" values, though.
616 #define BRIDGE_MEM_MAX (4*1024*1024)
617 #define BRIDGE_MEM_ACC (128*1024)
618 #define BRIDGE_MEM_MIN (16*1024)
620 #define BRIDGE_IO_MAX 512
621 #define BRIDGE_IO_ACC 256
622 #define BRIDGE_IO_MIN 32
624 #ifndef PCIBIOS_MIN_CARDBUS_IO
625 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
628 static int yenta_search_one_res(struct resource *root, struct resource *res,
631 u32 align, size, start, end;
633 if (res->flags & IORESOURCE_IO) {
635 size = BRIDGE_IO_MAX;
636 start = PCIBIOS_MIN_CARDBUS_IO;
639 unsigned long avail = root->end - root->start;
641 size = BRIDGE_MEM_MAX;
642 if (size > avail/8) {
644 /* round size down to next power of 2 */
646 while ((size /= 2) != 0)
653 start = PCIBIOS_MIN_MEM;
658 if (allocate_resource(root, res, size, start, end, align,
664 } while (size >= min);
670 static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
673 struct resource *root;
676 pci_bus_for_each_resource(socket->dev->bus, root, i) {
680 if ((res->flags ^ root->flags) &
681 (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
682 continue; /* Wrong type */
684 if (yenta_search_one_res(root, res, min))
690 static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
692 struct pci_dev *dev = socket->dev;
693 struct resource *res;
694 struct pci_bus_region region;
697 res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
698 /* Already allocated? */
702 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
704 if (type & IORESOURCE_IO)
707 res->name = dev->subordinate->name;
710 region.start = config_readl(socket, addr_start) & mask;
711 region.end = config_readl(socket, addr_end) | ~mask;
712 if (region.start && region.end > region.start && !override_bios) {
713 pcibios_bus_to_resource(dev, res, ®ion);
714 if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
716 dev_printk(KERN_INFO, &dev->dev,
717 "Preassigned resource %d busy or not available, "
718 "reconfiguring...\n",
722 if (type & IORESOURCE_IO) {
723 if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
724 (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
725 (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
728 if (type & IORESOURCE_PREFETCH) {
729 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
730 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
731 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
733 /* Approximating prefetchable by non-prefetchable */
734 res->flags = IORESOURCE_MEM;
736 if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
737 (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
738 (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
742 dev_printk(KERN_INFO, &dev->dev,
743 "no resource of type %x available, trying to continue...\n",
745 res->start = res->end = res->flags = 0;
750 * Allocate the bridge mappings for the device..
752 static void yenta_allocate_resources(struct yenta_socket *socket)
755 program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
756 PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
757 program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
758 PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
759 program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
760 PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
761 program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
762 PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
764 pci_setup_cardbus(socket->dev->subordinate);
769 * Free the bridge mappings for the device..
771 static void yenta_free_resources(struct yenta_socket *socket)
774 for (i = 0; i < 4; i++) {
775 struct resource *res;
776 res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
777 if (res->start != 0 && res->end != 0)
778 release_resource(res);
779 res->start = res->end = res->flags = 0;
785 * Close it down - release our resources and go home..
787 static void __devexit yenta_close(struct pci_dev *dev)
789 struct yenta_socket *sock = pci_get_drvdata(dev);
791 /* Remove the register attributes */
792 device_remove_file(&dev->dev, &dev_attr_yenta_registers);
794 /* we don't want a dying socket registered */
795 pcmcia_unregister_socket(&sock->socket);
797 /* Disable all events so we don't die in an IRQ storm */
798 cb_writel(sock, CB_SOCKET_MASK, 0x0);
799 exca_writeb(sock, I365_CSCINT, 0);
802 free_irq(sock->cb_irq, sock);
804 del_timer_sync(&sock->poll_timer);
808 yenta_free_resources(sock);
810 pci_release_regions(dev);
811 pci_disable_device(dev);
812 pci_set_drvdata(dev, NULL);
816 static struct pccard_operations yenta_socket_operations = {
817 .init = yenta_sock_init,
818 .suspend = yenta_sock_suspend,
819 .get_status = yenta_get_status,
820 .set_socket = yenta_set_socket,
821 .set_io_map = yenta_set_io_map,
822 .set_mem_map = yenta_set_mem_map,
826 #ifdef CONFIG_YENTA_TI
829 #ifdef CONFIG_YENTA_RICOH
832 #ifdef CONFIG_YENTA_TOSHIBA
835 #ifdef CONFIG_YENTA_O2
840 CARDBUS_TYPE_DEFAULT = -1,
846 CARDBUS_TYPE_TOPIC95,
847 CARDBUS_TYPE_TOPIC97,
848 CARDBUS_TYPE_O2MICRO,
853 * Different cardbus controllers have slightly different
854 * initialization sequences etc details. List them here..
856 static struct cardbus_type cardbus_type[] = {
857 #ifdef CONFIG_YENTA_TI
858 [CARDBUS_TYPE_TI] = {
859 .override = ti_override,
860 .save_state = ti_save_state,
861 .restore_state = ti_restore_state,
862 .sock_init = ti_init,
864 [CARDBUS_TYPE_TI113X] = {
865 .override = ti113x_override,
866 .save_state = ti_save_state,
867 .restore_state = ti_restore_state,
868 .sock_init = ti_init,
870 [CARDBUS_TYPE_TI12XX] = {
871 .override = ti12xx_override,
872 .save_state = ti_save_state,
873 .restore_state = ti_restore_state,
874 .sock_init = ti_init,
876 [CARDBUS_TYPE_TI1250] = {
877 .override = ti1250_override,
878 .save_state = ti_save_state,
879 .restore_state = ti_restore_state,
880 .sock_init = ti_init,
882 [CARDBUS_TYPE_ENE] = {
883 .override = ene_override,
884 .save_state = ti_save_state,
885 .restore_state = ti_restore_state,
886 .sock_init = ti_init,
889 #ifdef CONFIG_YENTA_RICOH
890 [CARDBUS_TYPE_RICOH] = {
891 .override = ricoh_override,
892 .save_state = ricoh_save_state,
893 .restore_state = ricoh_restore_state,
896 #ifdef CONFIG_YENTA_TOSHIBA
897 [CARDBUS_TYPE_TOPIC95] = {
898 .override = topic95_override,
900 [CARDBUS_TYPE_TOPIC97] = {
901 .override = topic97_override,
904 #ifdef CONFIG_YENTA_O2
905 [CARDBUS_TYPE_O2MICRO] = {
906 .override = o2micro_override,
907 .restore_state = o2micro_restore_state,
913 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
921 * Probe for usable interrupts using the force
922 * register to generate bogus card status events.
924 cb_writel(socket, CB_SOCKET_EVENT, -1);
925 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
926 reg = exca_readb(socket, I365_CSCINT);
927 exca_writeb(socket, I365_CSCINT, 0);
928 val = probe_irq_on() & isa_irq_mask;
929 for (i = 1; i < 16; i++) {
930 if (!((val >> i) & 1))
932 exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
933 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
935 cb_writel(socket, CB_SOCKET_EVENT, -1);
937 cb_writel(socket, CB_SOCKET_MASK, 0);
938 exca_writeb(socket, I365_CSCINT, reg);
940 mask = probe_irq_mask(val) & 0xffff;
947 * yenta PCI irq probing.
948 * currently only used in the TI/EnE initialization code
950 #ifdef CONFIG_YENTA_TI
952 /* interrupt handler, only used during probing */
953 static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
955 struct yenta_socket *socket = (struct yenta_socket *) dev_id;
959 /* Clear interrupt status for the event */
960 cb_event = cb_readl(socket, CB_SOCKET_EVENT);
961 cb_writel(socket, CB_SOCKET_EVENT, -1);
962 csc = exca_readb(socket, I365_CSC);
964 if (cb_event || csc) {
965 socket->probe_status = 1;
972 /* probes the PCI interrupt, use only on override functions */
973 static int yenta_probe_cb_irq(struct yenta_socket *socket)
980 socket->probe_status = 0;
982 if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
983 dev_printk(KERN_WARNING, &socket->dev->dev,
984 "request_irq() in yenta_probe_cb_irq() failed!\n");
988 /* generate interrupt, wait */
989 if (!socket->dev->irq)
990 reg = exca_readb(socket, I365_CSCINT);
991 exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
992 cb_writel(socket, CB_SOCKET_EVENT, -1);
993 cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
994 cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
998 /* disable interrupts */
999 cb_writel(socket, CB_SOCKET_MASK, 0);
1000 exca_writeb(socket, I365_CSCINT, reg);
1001 cb_writel(socket, CB_SOCKET_EVENT, -1);
1002 exca_readb(socket, I365_CSC);
1004 free_irq(socket->cb_irq, socket);
1006 return (int) socket->probe_status;
1009 #endif /* CONFIG_YENTA_TI */
1013 * Set static data that doesn't need re-initializing..
1015 static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
1017 socket->socket.pci_irq = socket->cb_irq;
1019 socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
1021 socket->socket.irq_mask = 0;
1023 dev_printk(KERN_INFO, &socket->dev->dev,
1024 "ISA IRQ mask 0x%04x, PCI irq %d\n",
1025 socket->socket.irq_mask, socket->cb_irq);
1029 * Initialize the standard cardbus registers
1031 static void yenta_config_init(struct yenta_socket *socket)
1034 struct pci_dev *dev = socket->dev;
1035 struct pci_bus_region region;
1037 pcibios_resource_to_bus(socket->dev, ®ion, &dev->resource[0]);
1039 config_writel(socket, CB_LEGACY_MODE_BASE, 0);
1040 config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
1041 config_writew(socket, PCI_COMMAND,
1043 PCI_COMMAND_MEMORY |
1044 PCI_COMMAND_MASTER |
1047 /* MAGIC NUMBERS! Fixme */
1048 config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
1049 config_writeb(socket, PCI_LATENCY_TIMER, 168);
1050 config_writel(socket, PCI_PRIMARY_BUS,
1051 (176 << 24) | /* sec. latency timer */
1052 (dev->subordinate->subordinate << 16) | /* subordinate bus */
1053 (dev->subordinate->secondary << 8) | /* secondary bus */
1054 dev->subordinate->primary); /* primary bus */
1057 * Set up the bridging state:
1058 * - enable write posting.
1059 * - memory window 0 prefetchable, window 1 non-prefetchable
1060 * - PCI interrupts enabled if a PCI interrupt exists..
1062 bridge = config_readw(socket, CB_BRIDGE_CONTROL);
1063 bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
1064 bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
1065 config_writew(socket, CB_BRIDGE_CONTROL, bridge);
1069 * yenta_fixup_parent_bridge - Fix subordinate bus# of the parent bridge
1070 * @cardbus_bridge: The PCI bus which the CardBus bridge bridges to
1072 * Checks if devices on the bus which the CardBus bridge bridges to would be
1073 * invisible during PCI scans because of a misconfigured subordinate number
1074 * of the parent brige - some BIOSes seem to be too lazy to set it right.
1075 * Does the fixup carefully by checking how far it can go without conflicts.
1076 * See http\://bugzilla.kernel.org/show_bug.cgi?id=2944 for more information.
1078 static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
1080 struct list_head *tmp;
1081 unsigned char upper_limit;
1083 * We only check and fix the parent bridge: All systems which need
1084 * this fixup that have been reviewed are laptops and the only bridge
1085 * which needed fixing was the parent bridge of the CardBus bridge:
1087 struct pci_bus *bridge_to_fix = cardbus_bridge->parent;
1089 /* Check bus numbers are already set up correctly: */
1090 if (bridge_to_fix->subordinate >= cardbus_bridge->subordinate)
1091 return; /* The subordinate number is ok, nothing to do */
1093 if (!bridge_to_fix->parent)
1094 return; /* Root bridges are ok */
1096 /* stay within the limits of the bus range of the parent: */
1097 upper_limit = bridge_to_fix->parent->subordinate;
1099 /* check the bus ranges of all silbling bridges to prevent overlap */
1100 list_for_each(tmp, &bridge_to_fix->parent->children) {
1101 struct pci_bus *silbling = pci_bus_b(tmp);
1103 * If the silbling has a higher secondary bus number
1104 * and it's secondary is equal or smaller than our
1105 * current upper limit, set the new upper limit to
1106 * the bus number below the silbling's range:
1108 if (silbling->secondary > bridge_to_fix->subordinate
1109 && silbling->secondary <= upper_limit)
1110 upper_limit = silbling->secondary - 1;
1113 /* Show that the wanted subordinate number is not possible: */
1114 if (cardbus_bridge->subordinate > upper_limit)
1115 dev_printk(KERN_WARNING, &cardbus_bridge->dev,
1116 "Upper limit for fixing this "
1117 "bridge's parent bridge: #%02x\n", upper_limit);
1119 /* If we have room to increase the bridge's subordinate number, */
1120 if (bridge_to_fix->subordinate < upper_limit) {
1122 /* use the highest number of the hidden bus, within limits */
1123 unsigned char subordinate_to_assign =
1124 min(cardbus_bridge->subordinate, upper_limit);
1126 dev_printk(KERN_INFO, &bridge_to_fix->dev,
1127 "Raising subordinate bus# of parent "
1128 "bus (#%02x) from #%02x to #%02x\n",
1129 bridge_to_fix->number,
1130 bridge_to_fix->subordinate, subordinate_to_assign);
1132 /* Save the new subordinate in the bus struct of the bridge */
1133 bridge_to_fix->subordinate = subordinate_to_assign;
1135 /* and update the PCI config space with the new subordinate */
1136 pci_write_config_byte(bridge_to_fix->self,
1137 PCI_SUBORDINATE_BUS, bridge_to_fix->subordinate);
1142 * Initialize a cardbus controller. Make sure we have a usable
1143 * interrupt, and that we can map the cardbus area. Fill in the
1144 * socket information structure..
1146 static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
1148 struct yenta_socket *socket;
1152 * If we failed to assign proper bus numbers for this cardbus
1153 * controller during PCI probe, its subordinate pci_bus is NULL.
1156 if (!dev->subordinate) {
1157 dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
1158 "(try 'pci=assign-busses')\n");
1162 socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
1166 /* prepare pcmcia_socket */
1167 socket->socket.ops = ¥ta_socket_operations;
1168 socket->socket.resource_ops = &pccard_nonstatic_ops;
1169 socket->socket.dev.parent = &dev->dev;
1170 socket->socket.driver_data = socket;
1171 socket->socket.owner = THIS_MODULE;
1172 socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
1173 socket->socket.map_size = 0x1000;
1174 socket->socket.cb_dev = dev;
1176 /* prepare struct yenta_socket */
1178 pci_set_drvdata(dev, socket);
1181 * Do some basic sanity checking..
1183 if (pci_enable_device(dev)) {
1188 ret = pci_request_regions(dev, "yenta_socket");
1192 if (!pci_resource_start(dev, 0)) {
1193 dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
1199 * Ok, start setup.. Map the cardbus registers,
1200 * and request the IRQ.
1202 socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
1203 if (!socket->base) {
1209 * report the subsystem vendor and device for help debugging
1212 dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
1213 dev->subsystem_vendor, dev->subsystem_device);
1215 yenta_config_init(socket);
1217 /* Disable all events */
1218 cb_writel(socket, CB_SOCKET_MASK, 0x0);
1220 /* Set up the bridge regions.. */
1221 yenta_allocate_resources(socket);
1223 socket->cb_irq = dev->irq;
1225 /* Do we have special options for the device? */
1226 if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
1227 id->driver_data < ARRAY_SIZE(cardbus_type)) {
1228 socket->type = &cardbus_type[id->driver_data];
1230 ret = socket->type->override(socket);
1235 /* We must finish initialization here */
1237 if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
1238 /* No IRQ or request_irq failed. Poll */
1239 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
1240 init_timer(&socket->poll_timer);
1241 socket->poll_timer.function = yenta_interrupt_wrapper;
1242 socket->poll_timer.data = (unsigned long)socket;
1243 socket->poll_timer.expires = jiffies + HZ;
1244 add_timer(&socket->poll_timer);
1245 dev_printk(KERN_INFO, &dev->dev,
1246 "no PCI IRQ, CardBus support disabled for this "
1248 dev_printk(KERN_INFO, &dev->dev,
1249 "check your BIOS CardBus, BIOS IRQ or ACPI "
1252 socket->socket.features |= SS_CAP_CARDBUS;
1255 /* Figure out what the dang thing can do for the PCMCIA layer... */
1256 yenta_interrogate(socket);
1257 yenta_get_socket_capabilities(socket, isa_interrupts);
1258 dev_printk(KERN_INFO, &dev->dev,
1259 "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));
1261 yenta_fixup_parent_bridge(dev->subordinate);
1263 /* Register it with the pcmcia layer.. */
1264 ret = pcmcia_register_socket(&socket->socket);
1266 /* Add the yenta register attributes */
1267 ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
1272 pcmcia_unregister_socket(&socket->socket);
1276 iounmap(socket->base);
1278 pci_release_regions(dev);
1280 pci_disable_device(dev);
1288 static int yenta_dev_suspend_noirq(struct device *dev)
1290 struct pci_dev *pdev = to_pci_dev(dev);
1291 struct yenta_socket *socket = pci_get_drvdata(pdev);
1296 if (socket->type && socket->type->save_state)
1297 socket->type->save_state(socket);
1299 pci_save_state(pdev);
1300 pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
1301 pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
1302 pci_disable_device(pdev);
1307 static int yenta_dev_resume_noirq(struct device *dev)
1309 struct pci_dev *pdev = to_pci_dev(dev);
1310 struct yenta_socket *socket = pci_get_drvdata(pdev);
1316 pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
1317 pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);
1319 ret = pci_enable_device(pdev);
1323 pci_set_master(pdev);
1325 if (socket->type && socket->type->restore_state)
1326 socket->type->restore_state(socket);
1331 static const struct dev_pm_ops yenta_pm_ops = {
1332 .suspend_noirq = yenta_dev_suspend_noirq,
1333 .resume_noirq = yenta_dev_resume_noirq,
1334 .freeze_noirq = yenta_dev_suspend_noirq,
1335 .thaw_noirq = yenta_dev_resume_noirq,
1336 .poweroff_noirq = yenta_dev_suspend_noirq,
1337 .restore_noirq = yenta_dev_resume_noirq,
1340 #define YENTA_PM_OPS (¥ta_pm_ops)
1342 #define YENTA_PM_OPS NULL
1345 #define CB_ID(vend, dev, type) \
1349 .subvendor = PCI_ANY_ID, \
1350 .subdevice = PCI_ANY_ID, \
1351 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1353 .driver_data = CARDBUS_TYPE_##type, \
1356 static struct pci_device_id yenta_table[] = {
1357 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),
1360 * TBD: Check if these TI variants can use more
1361 * advanced overrides instead. (I can't get the
1362 * data sheets for these devices. --rmk)
1364 #ifdef CONFIG_YENTA_TI
1365 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),
1367 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
1368 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),
1370 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
1371 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
1372 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
1373 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
1374 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
1375 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
1376 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
1377 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
1378 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
1379 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
1380 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
1381 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
1382 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
1383 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
1384 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
1385 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
1386 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),
1388 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
1389 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),
1391 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
1392 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
1393 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
1394 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
1395 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
1396 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
1397 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1398 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1400 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1401 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1402 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1403 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
1404 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1405 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1406 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
1407 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
1408 #endif /* CONFIG_YENTA_TI */
1410 #ifdef CONFIG_YENTA_RICOH
1411 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
1412 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
1413 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
1414 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
1415 CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
1418 #ifdef CONFIG_YENTA_TOSHIBA
1419 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
1420 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
1421 CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
1424 #ifdef CONFIG_YENTA_O2
1425 CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
1428 /* match any cardbus bridge */
1429 CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
1430 { /* all zeroes */ }
1432 MODULE_DEVICE_TABLE(pci, yenta_table);
1435 static struct pci_driver yenta_cardbus_driver = {
1436 .name = "yenta_cardbus",
1437 .id_table = yenta_table,
1438 .probe = yenta_probe,
1439 .remove = __devexit_p(yenta_close),
1440 .driver.pm = YENTA_PM_OPS,
1444 static int __init yenta_socket_init(void)
1446 return pci_register_driver(¥ta_cardbus_driver);
1450 static void __exit yenta_socket_exit(void)
1452 pci_unregister_driver(¥ta_cardbus_driver);
1456 module_init(yenta_socket_init);
1457 module_exit(yenta_socket_exit);
1459 MODULE_LICENSE("GPL");