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/sched.h>
16 #include <linux/workqueue.h>
17 #include <linux/interrupt.h>
18 #include <linux/delay.h>
19 #include <linux/module.h>
21 #include <pcmcia/cs_types.h>
22 #include <pcmcia/ss.h>
23 #include <pcmcia/cs.h>
27 #include "yenta_socket.h"
30 static int disable_clkrun
;
31 module_param(disable_clkrun
, bool, 0444);
32 MODULE_PARM_DESC(disable_clkrun
, "If PC card doesn't function properly, please try this option");
34 static int isa_probe
= 1;
35 module_param(isa_probe
, bool, 0444);
36 MODULE_PARM_DESC(isa_probe
, "If set ISA interrupts are probed (default). Set to N to disable probing");
38 static int pwr_irqs_off
;
39 module_param(pwr_irqs_off
, bool, 0644);
40 MODULE_PARM_DESC(pwr_irqs_off
, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
43 #define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
45 #define debug(x,args...)
49 #define to_cycles(ns) ((ns)/120)
50 #define to_ns(cycles) ((cycles)*120)
52 static int yenta_probe_cb_irq(struct yenta_socket
*socket
);
55 static unsigned int override_bios
;
56 module_param(override_bios
, uint
, 0000);
57 MODULE_PARM_DESC (override_bios
, "yenta ignore bios resource allocation");
60 * Generate easy-to-use ways of reading a cardbus sockets
61 * regular memory space ("cb_xxx"), configuration space
62 * ("config_xxx") and compatibility space ("exca_xxxx")
64 static inline u32
cb_readl(struct yenta_socket
*socket
, unsigned reg
)
66 u32 val
= readl(socket
->base
+ reg
);
67 debug("%p %04x %08x\n", socket
, reg
, val
);
71 static inline void cb_writel(struct yenta_socket
*socket
, unsigned reg
, u32 val
)
73 debug("%p %04x %08x\n", socket
, reg
, val
);
74 writel(val
, socket
->base
+ reg
);
75 readl(socket
->base
+ reg
); /* avoid problems with PCI write posting */
78 static inline u8
config_readb(struct yenta_socket
*socket
, unsigned offset
)
81 pci_read_config_byte(socket
->dev
, offset
, &val
);
82 debug("%p %04x %02x\n", socket
, offset
, val
);
86 static inline u16
config_readw(struct yenta_socket
*socket
, unsigned offset
)
89 pci_read_config_word(socket
->dev
, offset
, &val
);
90 debug("%p %04x %04x\n", socket
, offset
, val
);
94 static inline u32
config_readl(struct yenta_socket
*socket
, unsigned offset
)
97 pci_read_config_dword(socket
->dev
, offset
, &val
);
98 debug("%p %04x %08x\n", socket
, offset
, val
);
102 static inline void config_writeb(struct yenta_socket
*socket
, unsigned offset
, u8 val
)
104 debug("%p %04x %02x\n", socket
, offset
, val
);
105 pci_write_config_byte(socket
->dev
, offset
, val
);
108 static inline void config_writew(struct yenta_socket
*socket
, unsigned offset
, u16 val
)
110 debug("%p %04x %04x\n", socket
, offset
, val
);
111 pci_write_config_word(socket
->dev
, offset
, val
);
114 static inline void config_writel(struct yenta_socket
*socket
, unsigned offset
, u32 val
)
116 debug("%p %04x %08x\n", socket
, offset
, val
);
117 pci_write_config_dword(socket
->dev
, offset
, val
);
120 static inline u8
exca_readb(struct yenta_socket
*socket
, unsigned reg
)
122 u8 val
= readb(socket
->base
+ 0x800 + reg
);
123 debug("%p %04x %02x\n", socket
, reg
, val
);
127 static inline u8
exca_readw(struct yenta_socket
*socket
, unsigned reg
)
130 val
= readb(socket
->base
+ 0x800 + reg
);
131 val
|= readb(socket
->base
+ 0x800 + reg
+ 1) << 8;
132 debug("%p %04x %04x\n", socket
, reg
, val
);
136 static inline void exca_writeb(struct yenta_socket
*socket
, unsigned reg
, u8 val
)
138 debug("%p %04x %02x\n", socket
, reg
, val
);
139 writeb(val
, socket
->base
+ 0x800 + reg
);
140 readb(socket
->base
+ 0x800 + reg
); /* PCI write posting... */
143 static void exca_writew(struct yenta_socket
*socket
, unsigned reg
, u16 val
)
145 debug("%p %04x %04x\n", socket
, reg
, val
);
146 writeb(val
, socket
->base
+ 0x800 + reg
);
147 writeb(val
>> 8, socket
->base
+ 0x800 + reg
+ 1);
149 /* PCI write posting... */
150 readb(socket
->base
+ 0x800 + reg
);
151 readb(socket
->base
+ 0x800 + reg
+ 1);
154 static ssize_t
show_yenta_registers(struct device
*yentadev
, struct device_attribute
*attr
, char *buf
)
156 struct pci_dev
*dev
= to_pci_dev(yentadev
);
157 struct yenta_socket
*socket
= pci_get_drvdata(dev
);
160 offset
= snprintf(buf
, PAGE_SIZE
, "CB registers:");
161 for (i
= 0; i
< 0x24; i
+= 4) {
164 offset
+= snprintf(buf
+ offset
, PAGE_SIZE
- offset
, "\n%02x:", i
);
165 val
= cb_readl(socket
, i
);
166 offset
+= snprintf(buf
+ offset
, PAGE_SIZE
- offset
, " %08x", val
);
169 offset
+= snprintf(buf
+ offset
, PAGE_SIZE
- offset
, "\n\nExCA registers:");
170 for (i
= 0; i
< 0x45; i
++) {
174 memcpy(buf
+ offset
, " -", 2);
177 offset
+= snprintf(buf
+ offset
, PAGE_SIZE
- offset
, "\n%02x:", i
);
179 val
= exca_readb(socket
, i
);
180 offset
+= snprintf(buf
+ offset
, PAGE_SIZE
- offset
, " %02x", val
);
182 buf
[offset
++] = '\n';
186 static DEVICE_ATTR(yenta_registers
, S_IRUSR
, show_yenta_registers
, NULL
);
189 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
190 * on what kind of card is inserted..
192 static int yenta_get_status(struct pcmcia_socket
*sock
, unsigned int *value
)
194 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
196 u32 state
= cb_readl(socket
, CB_SOCKET_STATE
);
198 val
= (state
& CB_3VCARD
) ? SS_3VCARD
: 0;
199 val
|= (state
& CB_XVCARD
) ? SS_XVCARD
: 0;
200 val
|= (state
& (CB_5VCARD
| CB_3VCARD
| CB_XVCARD
| CB_YVCARD
)) ? 0 : SS_PENDING
;
201 val
|= (state
& (CB_CDETECT1
| CB_CDETECT2
)) ? SS_PENDING
: 0;
204 if (state
& CB_CBCARD
) {
206 val
|= (state
& CB_CARDSTS
) ? SS_STSCHG
: 0;
207 val
|= (state
& (CB_CDETECT1
| CB_CDETECT2
)) ? 0 : SS_DETECT
;
208 val
|= (state
& CB_PWRCYCLE
) ? SS_POWERON
| SS_READY
: 0;
209 } else if (state
& CB_16BITCARD
) {
210 u8 status
= exca_readb(socket
, I365_STATUS
);
211 val
|= ((status
& I365_CS_DETECT
) == I365_CS_DETECT
) ? SS_DETECT
: 0;
212 if (exca_readb(socket
, I365_INTCTL
) & I365_PC_IOCARD
) {
213 val
|= (status
& I365_CS_STSCHG
) ? 0 : SS_STSCHG
;
215 val
|= (status
& I365_CS_BVD1
) ? 0 : SS_BATDEAD
;
216 val
|= (status
& I365_CS_BVD2
) ? 0 : SS_BATWARN
;
218 val
|= (status
& I365_CS_WRPROT
) ? SS_WRPROT
: 0;
219 val
|= (status
& I365_CS_READY
) ? SS_READY
: 0;
220 val
|= (status
& I365_CS_POWERON
) ? SS_POWERON
: 0;
227 static void yenta_set_power(struct yenta_socket
*socket
, socket_state_t
*state
)
229 /* some birdges require to use the ExCA registers to power 16bit cards */
230 if (!(cb_readl(socket
, CB_SOCKET_STATE
) & CB_CBCARD
) &&
231 (socket
->flags
& YENTA_16BIT_POWER_EXCA
)) {
233 reg
= old
= exca_readb(socket
, I365_POWER
);
234 reg
&= ~(I365_VCC_MASK
| I365_VPP1_MASK
| I365_VPP2_MASK
);
236 /* i82365SL-DF style */
237 if (socket
->flags
& YENTA_16BIT_POWER_DF
) {
238 switch (state
->Vcc
) {
239 case 33: reg
|= I365_VCC_3V
; break;
240 case 50: reg
|= I365_VCC_5V
; break;
241 default: reg
= 0; break;
243 switch (state
->Vpp
) {
245 case 50: reg
|= I365_VPP1_5V
; break;
246 case 120: reg
|= I365_VPP1_12V
; break;
249 /* i82365SL-B style */
250 switch (state
->Vcc
) {
251 case 50: reg
|= I365_VCC_5V
; break;
252 default: reg
= 0; break;
254 switch (state
->Vpp
) {
255 case 50: reg
|= I365_VPP1_5V
| I365_VPP2_5V
; break;
256 case 120: reg
|= I365_VPP1_12V
| I365_VPP2_12V
; break;
261 exca_writeb(socket
, I365_POWER
, reg
);
263 u32 reg
= 0; /* CB_SC_STPCLK? */
264 switch (state
->Vcc
) {
265 case 33: reg
= CB_SC_VCC_3V
; break;
266 case 50: reg
= CB_SC_VCC_5V
; break;
267 default: reg
= 0; break;
269 switch (state
->Vpp
) {
270 case 33: reg
|= CB_SC_VPP_3V
; break;
271 case 50: reg
|= CB_SC_VPP_5V
; break;
272 case 120: reg
|= CB_SC_VPP_12V
; break;
274 if (reg
!= cb_readl(socket
, CB_SOCKET_CONTROL
))
275 cb_writel(socket
, CB_SOCKET_CONTROL
, reg
);
279 static int yenta_set_socket(struct pcmcia_socket
*sock
, socket_state_t
*state
)
281 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
284 yenta_set_power(socket
, state
);
285 socket
->io_irq
= state
->io_irq
;
286 bridge
= config_readw(socket
, CB_BRIDGE_CONTROL
) & ~(CB_BRIDGE_CRST
| CB_BRIDGE_INTR
);
287 if (cb_readl(socket
, CB_SOCKET_STATE
) & CB_CBCARD
) {
289 bridge
|= (state
->flags
& SS_RESET
) ? CB_BRIDGE_CRST
: 0;
291 /* ISA interrupt control? */
292 intr
= exca_readb(socket
, I365_INTCTL
);
293 intr
= (intr
& ~0xf);
294 if (!socket
->cb_irq
) {
295 intr
|= state
->io_irq
;
296 bridge
|= CB_BRIDGE_INTR
;
298 exca_writeb(socket
, I365_INTCTL
, intr
);
302 reg
= exca_readb(socket
, I365_INTCTL
) & (I365_RING_ENA
| I365_INTR_ENA
);
303 reg
|= (state
->flags
& SS_RESET
) ? 0 : I365_PC_RESET
;
304 reg
|= (state
->flags
& SS_IOCARD
) ? I365_PC_IOCARD
: 0;
305 if (state
->io_irq
!= socket
->cb_irq
) {
306 reg
|= state
->io_irq
;
307 bridge
|= CB_BRIDGE_INTR
;
309 exca_writeb(socket
, I365_INTCTL
, reg
);
311 reg
= exca_readb(socket
, I365_POWER
) & (I365_VCC_MASK
|I365_VPP1_MASK
);
312 reg
|= I365_PWR_NORESET
;
313 if (state
->flags
& SS_PWR_AUTO
) reg
|= I365_PWR_AUTO
;
314 if (state
->flags
& SS_OUTPUT_ENA
) reg
|= I365_PWR_OUT
;
315 if (exca_readb(socket
, I365_POWER
) != reg
)
316 exca_writeb(socket
, I365_POWER
, reg
);
318 /* CSC interrupt: no ISA irq for CSC */
319 reg
= I365_CSC_DETECT
;
320 if (state
->flags
& SS_IOCARD
) {
321 if (state
->csc_mask
& SS_STSCHG
) reg
|= I365_CSC_STSCHG
;
323 if (state
->csc_mask
& SS_BATDEAD
) reg
|= I365_CSC_BVD1
;
324 if (state
->csc_mask
& SS_BATWARN
) reg
|= I365_CSC_BVD2
;
325 if (state
->csc_mask
& SS_READY
) reg
|= I365_CSC_READY
;
327 exca_writeb(socket
, I365_CSCINT
, reg
);
328 exca_readb(socket
, I365_CSC
);
330 sock
->zoom_video(sock
, state
->flags
& SS_ZVCARD
);
332 config_writew(socket
, CB_BRIDGE_CONTROL
, bridge
);
333 /* Socket event mask: get card insert/remove events.. */
334 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
335 cb_writel(socket
, CB_SOCKET_MASK
, CB_CDMASK
);
339 static int yenta_set_io_map(struct pcmcia_socket
*sock
, struct pccard_io_map
*io
)
341 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
343 unsigned char ioctl
, addr
, enable
;
350 enable
= I365_ENA_IO(map
);
351 addr
= exca_readb(socket
, I365_ADDRWIN
);
353 /* Disable the window before changing it.. */
356 exca_writeb(socket
, I365_ADDRWIN
, addr
);
359 exca_writew(socket
, I365_IO(map
)+I365_W_START
, io
->start
);
360 exca_writew(socket
, I365_IO(map
)+I365_W_STOP
, io
->stop
);
362 ioctl
= exca_readb(socket
, I365_IOCTL
) & ~I365_IOCTL_MASK(map
);
363 if (io
->flags
& MAP_0WS
) ioctl
|= I365_IOCTL_0WS(map
);
364 if (io
->flags
& MAP_16BIT
) ioctl
|= I365_IOCTL_16BIT(map
);
365 if (io
->flags
& MAP_AUTOSZ
) ioctl
|= I365_IOCTL_IOCS16(map
);
366 exca_writeb(socket
, I365_IOCTL
, ioctl
);
368 if (io
->flags
& MAP_ACTIVE
)
369 exca_writeb(socket
, I365_ADDRWIN
, addr
| enable
);
373 static int yenta_set_mem_map(struct pcmcia_socket
*sock
, struct pccard_mem_map
*mem
)
375 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
376 struct pci_bus_region region
;
378 unsigned char addr
, enable
;
379 unsigned int start
, stop
, card_start
;
382 pcibios_resource_to_bus(socket
->dev
, ®ion
, mem
->res
);
385 start
= region
.start
;
387 card_start
= mem
->card_start
;
389 if (map
> 4 || start
> stop
|| ((start
^ stop
) >> 24) ||
390 (card_start
>> 26) || mem
->speed
> 1000)
393 enable
= I365_ENA_MEM(map
);
394 addr
= exca_readb(socket
, I365_ADDRWIN
);
397 exca_writeb(socket
, I365_ADDRWIN
, addr
);
400 exca_writeb(socket
, CB_MEM_PAGE(map
), start
>> 24);
402 word
= (start
>> 12) & 0x0fff;
403 if (mem
->flags
& MAP_16BIT
)
404 word
|= I365_MEM_16BIT
;
405 if (mem
->flags
& MAP_0WS
)
406 word
|= I365_MEM_0WS
;
407 exca_writew(socket
, I365_MEM(map
) + I365_W_START
, word
);
409 word
= (stop
>> 12) & 0x0fff;
410 switch (to_cycles(mem
->speed
)) {
412 case 1: word
|= I365_MEM_WS0
; break;
413 case 2: word
|= I365_MEM_WS1
; break;
414 default: word
|= I365_MEM_WS1
| I365_MEM_WS0
; break;
416 exca_writew(socket
, I365_MEM(map
) + I365_W_STOP
, word
);
418 word
= ((card_start
- start
) >> 12) & 0x3fff;
419 if (mem
->flags
& MAP_WRPROT
)
420 word
|= I365_MEM_WRPROT
;
421 if (mem
->flags
& MAP_ATTRIB
)
422 word
|= I365_MEM_REG
;
423 exca_writew(socket
, I365_MEM(map
) + I365_W_OFF
, word
);
425 if (mem
->flags
& MAP_ACTIVE
)
426 exca_writeb(socket
, I365_ADDRWIN
, addr
| enable
);
432 static irqreturn_t
yenta_interrupt(int irq
, void *dev_id
, struct pt_regs
*regs
)
435 struct yenta_socket
*socket
= (struct yenta_socket
*) dev_id
;
439 /* Clear interrupt status for the event */
440 cb_event
= cb_readl(socket
, CB_SOCKET_EVENT
);
441 cb_writel(socket
, CB_SOCKET_EVENT
, cb_event
);
443 csc
= exca_readb(socket
, I365_CSC
);
445 if (!(cb_event
|| csc
))
448 events
= (cb_event
& (CB_CD1EVENT
| CB_CD2EVENT
)) ? SS_DETECT
: 0 ;
449 events
|= (csc
& I365_CSC_DETECT
) ? SS_DETECT
: 0;
450 if (exca_readb(socket
, I365_INTCTL
) & I365_PC_IOCARD
) {
451 events
|= (csc
& I365_CSC_STSCHG
) ? SS_STSCHG
: 0;
453 events
|= (csc
& I365_CSC_BVD1
) ? SS_BATDEAD
: 0;
454 events
|= (csc
& I365_CSC_BVD2
) ? SS_BATWARN
: 0;
455 events
|= (csc
& I365_CSC_READY
) ? SS_READY
: 0;
459 pcmcia_parse_events(&socket
->socket
, events
);
464 static void yenta_interrupt_wrapper(unsigned long data
)
466 struct yenta_socket
*socket
= (struct yenta_socket
*) data
;
468 yenta_interrupt(0, (void *)socket
, NULL
);
469 socket
->poll_timer
.expires
= jiffies
+ HZ
;
470 add_timer(&socket
->poll_timer
);
473 static void yenta_clear_maps(struct yenta_socket
*socket
)
476 struct resource res
= { .start
= 0, .end
= 0x0fff };
477 pccard_io_map io
= { 0, 0, 0, 0, 1 };
478 pccard_mem_map mem
= { .res
= &res
, };
480 yenta_set_socket(&socket
->socket
, &dead_socket
);
481 for (i
= 0; i
< 2; i
++) {
483 yenta_set_io_map(&socket
->socket
, &io
);
485 for (i
= 0; i
< 5; i
++) {
487 yenta_set_mem_map(&socket
->socket
, &mem
);
491 /* redoes voltage interrogation if required */
492 static void yenta_interrogate(struct yenta_socket
*socket
)
496 state
= cb_readl(socket
, CB_SOCKET_STATE
);
497 if (!(state
& (CB_5VCARD
| CB_3VCARD
| CB_XVCARD
| CB_YVCARD
)) ||
498 (state
& (CB_CDETECT1
| CB_CDETECT2
| CB_NOTACARD
| CB_BADVCCREQ
)) ||
499 ((state
& (CB_16BITCARD
| CB_CBCARD
)) == (CB_16BITCARD
| CB_CBCARD
)))
500 cb_writel(socket
, CB_SOCKET_FORCE
, CB_CVSTEST
);
503 /* Called at resume and initialization events */
504 static int yenta_sock_init(struct pcmcia_socket
*sock
)
506 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
508 exca_writeb(socket
, I365_GBLCTL
, 0x00);
509 exca_writeb(socket
, I365_GENCTL
, 0x00);
511 /* Redo card voltage interrogation */
512 yenta_interrogate(socket
);
514 yenta_clear_maps(socket
);
516 if (socket
->type
&& socket
->type
->sock_init
)
517 socket
->type
->sock_init(socket
);
519 /* Re-enable CSC interrupts */
520 cb_writel(socket
, CB_SOCKET_MASK
, CB_CDMASK
);
525 static int yenta_sock_suspend(struct pcmcia_socket
*sock
)
527 struct yenta_socket
*socket
= container_of(sock
, struct yenta_socket
, socket
);
529 /* Disable CSC interrupts */
530 cb_writel(socket
, CB_SOCKET_MASK
, 0x0);
536 * Use an adaptive allocation for the memory resource,
537 * sometimes the memory behind pci bridges is limited:
538 * 1/8 of the size of the io window of the parent.
539 * max 4 MB, min 16 kB. We try very hard to not get below
540 * the "ACC" values, though.
542 #define BRIDGE_MEM_MAX 4*1024*1024
543 #define BRIDGE_MEM_ACC 128*1024
544 #define BRIDGE_MEM_MIN 16*1024
546 #define BRIDGE_IO_MAX 512
547 #define BRIDGE_IO_ACC 256
548 #define BRIDGE_IO_MIN 32
550 #ifndef PCIBIOS_MIN_CARDBUS_IO
551 #define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
554 static int yenta_search_one_res(struct resource
*root
, struct resource
*res
,
557 u32 align
, size
, start
, end
;
559 if (res
->flags
& IORESOURCE_IO
) {
561 size
= BRIDGE_IO_MAX
;
562 start
= PCIBIOS_MIN_CARDBUS_IO
;
565 unsigned long avail
= root
->end
- root
->start
;
567 size
= BRIDGE_MEM_MAX
;
568 if (size
> avail
/8) {
570 /* round size down to next power of 2 */
572 while ((size
/= 2) != 0)
579 start
= PCIBIOS_MIN_MEM
;
584 if (allocate_resource(root
, res
, size
, start
, end
, align
,
590 } while (size
>= min
);
596 static int yenta_search_res(struct yenta_socket
*socket
, struct resource
*res
,
600 for (i
=0; i
<PCI_BUS_NUM_RESOURCES
; i
++) {
601 struct resource
* root
= socket
->dev
->bus
->resource
[i
];
605 if ((res
->flags
^ root
->flags
) &
606 (IORESOURCE_IO
| IORESOURCE_MEM
| IORESOURCE_PREFETCH
))
607 continue; /* Wrong type */
609 if (yenta_search_one_res(root
, res
, min
))
615 static int yenta_allocate_res(struct yenta_socket
*socket
, int nr
, unsigned type
, int addr_start
, int addr_end
)
617 struct resource
*root
, *res
;
618 struct pci_bus_region region
;
621 res
= socket
->dev
->resource
+ PCI_BRIDGE_RESOURCES
+ nr
;
622 /* Already allocated? */
626 /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
628 if (type
& IORESOURCE_IO
)
631 res
->name
= socket
->dev
->subordinate
->name
;
634 region
.start
= config_readl(socket
, addr_start
) & mask
;
635 region
.end
= config_readl(socket
, addr_end
) | ~mask
;
636 if (region
.start
&& region
.end
> region
.start
&& !override_bios
) {
637 pcibios_bus_to_resource(socket
->dev
, res
, ®ion
);
638 root
= pci_find_parent_resource(socket
->dev
, res
);
639 if (root
&& (request_resource(root
, res
) == 0))
641 printk(KERN_INFO
"yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n",
642 pci_name(socket
->dev
), nr
);
645 if (type
& IORESOURCE_IO
) {
646 if ((yenta_search_res(socket
, res
, BRIDGE_IO_MAX
)) ||
647 (yenta_search_res(socket
, res
, BRIDGE_IO_ACC
)) ||
648 (yenta_search_res(socket
, res
, BRIDGE_IO_MIN
)))
651 if (type
& IORESOURCE_PREFETCH
) {
652 if ((yenta_search_res(socket
, res
, BRIDGE_MEM_MAX
)) ||
653 (yenta_search_res(socket
, res
, BRIDGE_MEM_ACC
)) ||
654 (yenta_search_res(socket
, res
, BRIDGE_MEM_MIN
)))
656 /* Approximating prefetchable by non-prefetchable */
657 res
->flags
= IORESOURCE_MEM
;
659 if ((yenta_search_res(socket
, res
, BRIDGE_MEM_MAX
)) ||
660 (yenta_search_res(socket
, res
, BRIDGE_MEM_ACC
)) ||
661 (yenta_search_res(socket
, res
, BRIDGE_MEM_MIN
)))
665 printk(KERN_INFO
"yenta %s: no resource of type %x available, trying to continue...\n",
666 pci_name(socket
->dev
), type
);
667 res
->start
= res
->end
= res
->flags
= 0;
672 * Allocate the bridge mappings for the device..
674 static void yenta_allocate_resources(struct yenta_socket
*socket
)
677 program
+= yenta_allocate_res(socket
, 0, IORESOURCE_IO
,
678 PCI_CB_IO_BASE_0
, PCI_CB_IO_LIMIT_0
);
679 program
+= yenta_allocate_res(socket
, 1, IORESOURCE_IO
,
680 PCI_CB_IO_BASE_1
, PCI_CB_IO_LIMIT_1
);
681 program
+= yenta_allocate_res(socket
, 2, IORESOURCE_MEM
|IORESOURCE_PREFETCH
,
682 PCI_CB_MEMORY_BASE_0
, PCI_CB_MEMORY_LIMIT_0
);
683 program
+= yenta_allocate_res(socket
, 3, IORESOURCE_MEM
,
684 PCI_CB_MEMORY_BASE_1
, PCI_CB_MEMORY_LIMIT_1
);
686 pci_setup_cardbus(socket
->dev
->subordinate
);
691 * Free the bridge mappings for the device..
693 static void yenta_free_resources(struct yenta_socket
*socket
)
697 struct resource
*res
;
698 res
= socket
->dev
->resource
+ PCI_BRIDGE_RESOURCES
+ i
;
699 if (res
->start
!= 0 && res
->end
!= 0)
700 release_resource(res
);
701 res
->start
= res
->end
= res
->flags
= 0;
707 * Close it down - release our resources and go home..
709 static void yenta_close(struct pci_dev
*dev
)
711 struct yenta_socket
*sock
= pci_get_drvdata(dev
);
713 /* Remove the register attributes */
714 device_remove_file(&dev
->dev
, &dev_attr_yenta_registers
);
716 /* we don't want a dying socket registered */
717 pcmcia_unregister_socket(&sock
->socket
);
719 /* Disable all events so we don't die in an IRQ storm */
720 cb_writel(sock
, CB_SOCKET_MASK
, 0x0);
721 exca_writeb(sock
, I365_CSCINT
, 0);
724 free_irq(sock
->cb_irq
, sock
);
726 del_timer_sync(&sock
->poll_timer
);
730 yenta_free_resources(sock
);
732 pci_release_regions(dev
);
733 pci_disable_device(dev
);
734 pci_set_drvdata(dev
, NULL
);
738 static struct pccard_operations yenta_socket_operations
= {
739 .init
= yenta_sock_init
,
740 .suspend
= yenta_sock_suspend
,
741 .get_status
= yenta_get_status
,
742 .set_socket
= yenta_set_socket
,
743 .set_io_map
= yenta_set_io_map
,
744 .set_mem_map
= yenta_set_mem_map
,
754 CARDBUS_TYPE_DEFAULT
= -1,
760 CARDBUS_TYPE_TOPIC95
,
761 CARDBUS_TYPE_TOPIC97
,
762 CARDBUS_TYPE_O2MICRO
,
767 * Different cardbus controllers have slightly different
768 * initialization sequences etc details. List them here..
770 static struct cardbus_type cardbus_type
[] = {
771 [CARDBUS_TYPE_TI
] = {
772 .override
= ti_override
,
773 .save_state
= ti_save_state
,
774 .restore_state
= ti_restore_state
,
775 .sock_init
= ti_init
,
777 [CARDBUS_TYPE_TI113X
] = {
778 .override
= ti113x_override
,
779 .save_state
= ti_save_state
,
780 .restore_state
= ti_restore_state
,
781 .sock_init
= ti_init
,
783 [CARDBUS_TYPE_TI12XX
] = {
784 .override
= ti12xx_override
,
785 .save_state
= ti_save_state
,
786 .restore_state
= ti_restore_state
,
787 .sock_init
= ti_init
,
789 [CARDBUS_TYPE_TI1250
] = {
790 .override
= ti1250_override
,
791 .save_state
= ti_save_state
,
792 .restore_state
= ti_restore_state
,
793 .sock_init
= ti_init
,
795 [CARDBUS_TYPE_RICOH
] = {
796 .override
= ricoh_override
,
797 .save_state
= ricoh_save_state
,
798 .restore_state
= ricoh_restore_state
,
800 [CARDBUS_TYPE_TOPIC95
] = {
801 .override
= topic95_override
,
803 [CARDBUS_TYPE_TOPIC97
] = {
804 .override
= topic97_override
,
806 [CARDBUS_TYPE_O2MICRO
] = {
807 .override
= o2micro_override
,
808 .restore_state
= o2micro_restore_state
,
810 [CARDBUS_TYPE_ENE
] = {
811 .override
= ene_override
,
812 .save_state
= ti_save_state
,
813 .restore_state
= ti_restore_state
,
814 .sock_init
= ti_init
,
820 * Only probe "regular" interrupts, don't
821 * touch dangerous spots like the mouse irq,
822 * because there are mice that apparently
823 * get really confused if they get fondled
826 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
828 static u32 isa_interrupts
= 0x0ef8;
830 static unsigned int yenta_probe_irq(struct yenta_socket
*socket
, u32 isa_irq_mask
)
837 * Probe for usable interrupts using the force
838 * register to generate bogus card status events.
840 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
841 cb_writel(socket
, CB_SOCKET_MASK
, CB_CSTSMASK
);
842 exca_writeb(socket
, I365_CSCINT
, 0);
843 val
= probe_irq_on() & isa_irq_mask
;
844 for (i
= 1; i
< 16; i
++) {
845 if (!((val
>> i
) & 1))
847 exca_writeb(socket
, I365_CSCINT
, I365_CSC_STSCHG
| (i
<< 4));
848 cb_writel(socket
, CB_SOCKET_FORCE
, CB_FCARDSTS
);
850 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
852 cb_writel(socket
, CB_SOCKET_MASK
, 0);
853 exca_writeb(socket
, I365_CSCINT
, 0);
855 mask
= probe_irq_mask(val
) & 0xffff;
861 /* interrupt handler, only used during probing */
862 static irqreturn_t
yenta_probe_handler(int irq
, void *dev_id
, struct pt_regs
*regs
)
864 struct yenta_socket
*socket
= (struct yenta_socket
*) dev_id
;
868 /* Clear interrupt status for the event */
869 cb_event
= cb_readl(socket
, CB_SOCKET_EVENT
);
870 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
871 csc
= exca_readb(socket
, I365_CSC
);
873 if (cb_event
|| csc
) {
874 socket
->probe_status
= 1;
881 /* probes the PCI interrupt, use only on override functions */
882 static int yenta_probe_cb_irq(struct yenta_socket
*socket
)
887 socket
->probe_status
= 0;
889 if (request_irq(socket
->cb_irq
, yenta_probe_handler
, SA_SHIRQ
, "yenta", socket
)) {
890 printk(KERN_WARNING
"Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
894 /* generate interrupt, wait */
895 exca_writeb(socket
, I365_CSCINT
, I365_CSC_STSCHG
);
896 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
897 cb_writel(socket
, CB_SOCKET_MASK
, CB_CSTSMASK
);
898 cb_writel(socket
, CB_SOCKET_FORCE
, CB_FCARDSTS
);
902 /* disable interrupts */
903 cb_writel(socket
, CB_SOCKET_MASK
, 0);
904 exca_writeb(socket
, I365_CSCINT
, 0);
905 cb_writel(socket
, CB_SOCKET_EVENT
, -1);
906 exca_readb(socket
, I365_CSC
);
908 free_irq(socket
->cb_irq
, socket
);
910 return (int) socket
->probe_status
;
916 * Set static data that doesn't need re-initializing..
918 static void yenta_get_socket_capabilities(struct yenta_socket
*socket
, u32 isa_irq_mask
)
920 socket
->socket
.pci_irq
= socket
->cb_irq
;
922 socket
->socket
.irq_mask
= yenta_probe_irq(socket
, isa_irq_mask
);
924 socket
->socket
.irq_mask
= 0;
926 printk(KERN_INFO
"Yenta: ISA IRQ mask 0x%04x, PCI irq %d\n",
927 socket
->socket
.irq_mask
, socket
->cb_irq
);
931 * Initialize the standard cardbus registers
933 static void yenta_config_init(struct yenta_socket
*socket
)
936 struct pci_dev
*dev
= socket
->dev
;
937 struct pci_bus_region region
;
939 pcibios_resource_to_bus(socket
->dev
, ®ion
, &dev
->resource
[0]);
941 config_writel(socket
, CB_LEGACY_MODE_BASE
, 0);
942 config_writel(socket
, PCI_BASE_ADDRESS_0
, region
.start
);
943 config_writew(socket
, PCI_COMMAND
,
949 /* MAGIC NUMBERS! Fixme */
950 config_writeb(socket
, PCI_CACHE_LINE_SIZE
, L1_CACHE_BYTES
/ 4);
951 config_writeb(socket
, PCI_LATENCY_TIMER
, 168);
952 config_writel(socket
, PCI_PRIMARY_BUS
,
953 (176 << 24) | /* sec. latency timer */
954 (dev
->subordinate
->subordinate
<< 16) | /* subordinate bus */
955 (dev
->subordinate
->secondary
<< 8) | /* secondary bus */
956 dev
->subordinate
->primary
); /* primary bus */
959 * Set up the bridging state:
960 * - enable write posting.
961 * - memory window 0 prefetchable, window 1 non-prefetchable
962 * - PCI interrupts enabled if a PCI interrupt exists..
964 bridge
= config_readw(socket
, CB_BRIDGE_CONTROL
);
965 bridge
&= ~(CB_BRIDGE_CRST
| CB_BRIDGE_PREFETCH1
| CB_BRIDGE_ISAEN
| CB_BRIDGE_VGAEN
);
966 bridge
|= CB_BRIDGE_PREFETCH0
| CB_BRIDGE_POSTEN
;
967 config_writew(socket
, CB_BRIDGE_CONTROL
, bridge
);
971 * Initialize a cardbus controller. Make sure we have a usable
972 * interrupt, and that we can map the cardbus area. Fill in the
973 * socket information structure..
975 static int __devinit
yenta_probe (struct pci_dev
*dev
, const struct pci_device_id
*id
)
977 struct yenta_socket
*socket
;
981 * If we failed to assign proper bus numbers for this cardbus
982 * controller during PCI probe, its subordinate pci_bus is NULL.
985 if (!dev
->subordinate
) {
986 printk(KERN_ERR
"Yenta: no bus associated with %s! "
987 "(try 'pci=assign-busses')\n", pci_name(dev
));
991 socket
= kmalloc(sizeof(struct yenta_socket
), GFP_KERNEL
);
994 memset(socket
, 0, sizeof(*socket
));
996 /* prepare pcmcia_socket */
997 socket
->socket
.ops
= ¥ta_socket_operations
;
998 socket
->socket
.resource_ops
= &pccard_nonstatic_ops
;
999 socket
->socket
.dev
.dev
= &dev
->dev
;
1000 socket
->socket
.driver_data
= socket
;
1001 socket
->socket
.owner
= THIS_MODULE
;
1002 socket
->socket
.features
= SS_CAP_PAGE_REGS
| SS_CAP_PCCARD
;
1003 socket
->socket
.map_size
= 0x1000;
1004 socket
->socket
.cb_dev
= dev
;
1006 /* prepare struct yenta_socket */
1008 pci_set_drvdata(dev
, socket
);
1011 * Do some basic sanity checking..
1013 if (pci_enable_device(dev
)) {
1018 ret
= pci_request_regions(dev
, "yenta_socket");
1022 if (!pci_resource_start(dev
, 0)) {
1023 printk(KERN_ERR
"No cardbus resource!\n");
1029 * Ok, start setup.. Map the cardbus registers,
1030 * and request the IRQ.
1032 socket
->base
= ioremap(pci_resource_start(dev
, 0), 0x1000);
1033 if (!socket
->base
) {
1039 * report the subsystem vendor and device for help debugging
1042 printk(KERN_INFO
"Yenta: CardBus bridge found at %s [%04x:%04x]\n",
1043 pci_name(dev
), dev
->subsystem_vendor
, dev
->subsystem_device
);
1045 yenta_config_init(socket
);
1047 /* Disable all events */
1048 cb_writel(socket
, CB_SOCKET_MASK
, 0x0);
1050 /* Set up the bridge regions.. */
1051 yenta_allocate_resources(socket
);
1053 socket
->cb_irq
= dev
->irq
;
1055 /* Do we have special options for the device? */
1056 if (id
->driver_data
!= CARDBUS_TYPE_DEFAULT
&&
1057 id
->driver_data
< ARRAY_SIZE(cardbus_type
)) {
1058 socket
->type
= &cardbus_type
[id
->driver_data
];
1060 ret
= socket
->type
->override(socket
);
1065 /* We must finish initialization here */
1067 if (!socket
->cb_irq
|| request_irq(socket
->cb_irq
, yenta_interrupt
, SA_SHIRQ
, "yenta", socket
)) {
1068 /* No IRQ or request_irq failed. Poll */
1069 socket
->cb_irq
= 0; /* But zero is a valid IRQ number. */
1070 init_timer(&socket
->poll_timer
);
1071 socket
->poll_timer
.function
= yenta_interrupt_wrapper
;
1072 socket
->poll_timer
.data
= (unsigned long)socket
;
1073 socket
->poll_timer
.expires
= jiffies
+ HZ
;
1074 add_timer(&socket
->poll_timer
);
1075 printk(KERN_INFO
"Yenta: no PCI IRQ, CardBus support disabled for this socket.\n"
1076 KERN_INFO
"Yenta: check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
1078 socket
->socket
.features
|= SS_CAP_CARDBUS
;
1081 /* Figure out what the dang thing can do for the PCMCIA layer... */
1082 yenta_interrogate(socket
);
1083 yenta_get_socket_capabilities(socket
, isa_interrupts
);
1084 printk(KERN_INFO
"Socket status: %08x\n", cb_readl(socket
, CB_SOCKET_STATE
));
1086 /* Register it with the pcmcia layer.. */
1087 ret
= pcmcia_register_socket(&socket
->socket
);
1089 /* Add the yenta register attributes */
1090 device_create_file(&dev
->dev
, &dev_attr_yenta_registers
);
1095 iounmap(socket
->base
);
1097 pci_release_regions(dev
);
1099 pci_disable_device(dev
);
1107 static int yenta_dev_suspend (struct pci_dev
*dev
, pm_message_t state
)
1109 struct yenta_socket
*socket
= pci_get_drvdata(dev
);
1112 ret
= pcmcia_socket_dev_suspend(&dev
->dev
, state
);
1115 if (socket
->type
&& socket
->type
->save_state
)
1116 socket
->type
->save_state(socket
);
1118 /* FIXME: pci_save_state needs to have a better interface */
1119 pci_save_state(dev
);
1120 pci_read_config_dword(dev
, 16*4, &socket
->saved_state
[0]);
1121 pci_read_config_dword(dev
, 17*4, &socket
->saved_state
[1]);
1122 pci_disable_device(dev
);
1125 * Some laptops (IBM T22) do not like us putting the Cardbus
1126 * bridge into D3. At a guess, some other laptop will
1127 * probably require this, so leave it commented out for now.
1129 /* pci_set_power_state(dev, 3); */
1136 static int yenta_dev_resume (struct pci_dev
*dev
)
1138 struct yenta_socket
*socket
= pci_get_drvdata(dev
);
1141 pci_set_power_state(dev
, 0);
1142 /* FIXME: pci_restore_state needs to have a better interface */
1143 pci_restore_state(dev
);
1144 pci_write_config_dword(dev
, 16*4, socket
->saved_state
[0]);
1145 pci_write_config_dword(dev
, 17*4, socket
->saved_state
[1]);
1146 pci_enable_device(dev
);
1147 pci_set_master(dev
);
1149 if (socket
->type
&& socket
->type
->restore_state
)
1150 socket
->type
->restore_state(socket
);
1153 return pcmcia_socket_dev_resume(&dev
->dev
);
1157 #define CB_ID(vend,dev,type) \
1161 .subvendor = PCI_ANY_ID, \
1162 .subdevice = PCI_ANY_ID, \
1163 .class = PCI_CLASS_BRIDGE_CARDBUS << 8, \
1165 .driver_data = CARDBUS_TYPE_##type, \
1168 static struct pci_device_id yenta_table
[] = {
1169 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1031
, TI
),
1172 * TBD: Check if these TI variants can use more
1173 * advanced overrides instead. (I can't get the
1174 * data sheets for these devices. --rmk)
1176 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1210
, TI
),
1178 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1130
, TI113X
),
1179 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1131
, TI113X
),
1181 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1211
, TI12XX
),
1182 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1220
, TI12XX
),
1183 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1221
, TI12XX
),
1184 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1225
, TI12XX
),
1185 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1251A
, TI12XX
),
1186 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1251B
, TI12XX
),
1187 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1420
, TI12XX
),
1188 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1450
, TI12XX
),
1189 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1451A
, TI12XX
),
1190 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1510
, TI12XX
),
1191 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1520
, TI12XX
),
1192 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1620
, TI12XX
),
1193 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_4410
, TI12XX
),
1194 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_4450
, TI12XX
),
1195 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_4451
, TI12XX
),
1196 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_4510
, TI12XX
),
1197 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_4520
, TI12XX
),
1199 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1250
, TI1250
),
1200 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1410
, TI1250
),
1202 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_XX21_XX11
, TI12XX
),
1203 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_X515
, TI12XX
),
1204 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_X420
, TI12XX
),
1205 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_X620
, TI12XX
),
1206 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_7410
, TI12XX
),
1207 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_7510
, TI12XX
),
1208 CB_ID(PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_7610
, TI12XX
),
1210 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_710
, TI12XX
),
1211 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_712
, TI12XX
),
1212 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_720
, TI12XX
),
1213 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_722
, TI12XX
),
1214 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_1211
, ENE
),
1215 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_1225
, ENE
),
1216 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_1410
, ENE
),
1217 CB_ID(PCI_VENDOR_ID_ENE
, PCI_DEVICE_ID_ENE_1420
, ENE
),
1219 CB_ID(PCI_VENDOR_ID_RICOH
, PCI_DEVICE_ID_RICOH_RL5C465
, RICOH
),
1220 CB_ID(PCI_VENDOR_ID_RICOH
, PCI_DEVICE_ID_RICOH_RL5C466
, RICOH
),
1221 CB_ID(PCI_VENDOR_ID_RICOH
, PCI_DEVICE_ID_RICOH_RL5C475
, RICOH
),
1222 CB_ID(PCI_VENDOR_ID_RICOH
, PCI_DEVICE_ID_RICOH_RL5C476
, RICOH
),
1223 CB_ID(PCI_VENDOR_ID_RICOH
, PCI_DEVICE_ID_RICOH_RL5C478
, RICOH
),
1225 CB_ID(PCI_VENDOR_ID_TOSHIBA
, PCI_DEVICE_ID_TOSHIBA_TOPIC95
, TOPIC95
),
1226 CB_ID(PCI_VENDOR_ID_TOSHIBA
, PCI_DEVICE_ID_TOSHIBA_TOPIC97
, TOPIC97
),
1227 CB_ID(PCI_VENDOR_ID_TOSHIBA
, PCI_DEVICE_ID_TOSHIBA_TOPIC100
, TOPIC97
),
1229 CB_ID(PCI_VENDOR_ID_O2
, PCI_ANY_ID
, O2MICRO
),
1231 /* match any cardbus bridge */
1232 CB_ID(PCI_ANY_ID
, PCI_ANY_ID
, DEFAULT
),
1233 { /* all zeroes */ }
1235 MODULE_DEVICE_TABLE(pci
, yenta_table
);
1238 static struct pci_driver yenta_cardbus_driver
= {
1239 .name
= "yenta_cardbus",
1240 .id_table
= yenta_table
,
1241 .probe
= yenta_probe
,
1242 .remove
= __devexit_p(yenta_close
),
1243 .suspend
= yenta_dev_suspend
,
1244 .resume
= yenta_dev_resume
,
1248 static int __init
yenta_socket_init(void)
1250 return pci_register_driver (¥ta_cardbus_driver
);
1254 static void __exit
yenta_socket_exit (void)
1256 pci_unregister_driver (¥ta_cardbus_driver
);
1260 module_init(yenta_socket_init
);
1261 module_exit(yenta_socket_exit
);
1263 MODULE_LICENSE("GPL");