1 /* linux/drivers/mmc/host/sdhci-pci.c - SDHCI on PCI bus interface
3 * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or (at
8 * your option) any later version.
10 * Thanks to the following companies for their support:
12 * - JMicron (hardware and technical support)
15 #include <linux/delay.h>
16 #include <linux/highmem.h>
17 #include <linux/pci.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/slab.h>
20 #include <linux/device.h>
22 #include <linux/mmc/host.h>
24 #include <asm/scatterlist.h>
33 #define PCI_SDHCI_IFPIO 0x00
34 #define PCI_SDHCI_IFDMA 0x01
35 #define PCI_SDHCI_IFVENDOR 0x02
37 #define PCI_SLOT_INFO 0x40 /* 8 bits */
38 #define PCI_SLOT_INFO_SLOTS(x) ((x >> 4) & 7)
39 #define PCI_SLOT_INFO_FIRST_BAR_MASK 0x07
43 struct sdhci_pci_chip
;
44 struct sdhci_pci_slot
;
46 struct sdhci_pci_fixes
{
49 int (*probe
)(struct sdhci_pci_chip
*);
51 int (*probe_slot
)(struct sdhci_pci_slot
*);
52 void (*remove_slot
)(struct sdhci_pci_slot
*, int);
54 int (*suspend
)(struct sdhci_pci_chip
*,
56 int (*resume
)(struct sdhci_pci_chip
*);
59 struct sdhci_pci_slot
{
60 struct sdhci_pci_chip
*chip
;
61 struct sdhci_host
*host
;
66 struct sdhci_pci_chip
{
70 const struct sdhci_pci_fixes
*fixes
;
72 int num_slots
; /* Slots on controller */
73 struct sdhci_pci_slot
*slots
[MAX_SLOTS
]; /* Pointers to host slots */
77 /*****************************************************************************\
79 * Hardware specific quirk handling *
81 \*****************************************************************************/
83 static int ricoh_probe(struct sdhci_pci_chip
*chip
)
85 if (chip
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_SAMSUNG
||
86 chip
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_SONY
)
87 chip
->quirks
|= SDHCI_QUIRK_NO_CARD_NO_RESET
;
91 static int ricoh_mmc_probe_slot(struct sdhci_pci_slot
*slot
)
94 ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT
)
95 & SDHCI_TIMEOUT_CLK_MASK
) |
97 ((0x21 << SDHCI_CLOCK_BASE_SHIFT
)
98 & SDHCI_CLOCK_BASE_MASK
) |
100 SDHCI_TIMEOUT_CLK_UNIT
|
106 static int ricoh_mmc_resume(struct sdhci_pci_chip
*chip
)
108 /* Apply a delay to allow controller to settle */
109 /* Otherwise it becomes confused if card state changed
115 static const struct sdhci_pci_fixes sdhci_ricoh
= {
116 .probe
= ricoh_probe
,
117 .quirks
= SDHCI_QUIRK_32BIT_DMA_ADDR
|
118 SDHCI_QUIRK_FORCE_DMA
|
119 SDHCI_QUIRK_CLOCK_BEFORE_RESET
,
122 static const struct sdhci_pci_fixes sdhci_ricoh_mmc
= {
123 .probe_slot
= ricoh_mmc_probe_slot
,
124 .resume
= ricoh_mmc_resume
,
125 .quirks
= SDHCI_QUIRK_32BIT_DMA_ADDR
|
126 SDHCI_QUIRK_CLOCK_BEFORE_RESET
|
127 SDHCI_QUIRK_NO_CARD_NO_RESET
|
128 SDHCI_QUIRK_MISSING_CAPS
131 static const struct sdhci_pci_fixes sdhci_ene_712
= {
132 .quirks
= SDHCI_QUIRK_SINGLE_POWER_WRITE
|
133 SDHCI_QUIRK_BROKEN_DMA
,
136 static const struct sdhci_pci_fixes sdhci_ene_714
= {
137 .quirks
= SDHCI_QUIRK_SINGLE_POWER_WRITE
|
138 SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS
|
139 SDHCI_QUIRK_BROKEN_DMA
,
142 static const struct sdhci_pci_fixes sdhci_cafe
= {
143 .quirks
= SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER
|
144 SDHCI_QUIRK_NO_BUSY_IRQ
|
145 SDHCI_QUIRK_BROKEN_TIMEOUT_VAL
,
148 static int jmicron_pmos(struct sdhci_pci_chip
*chip
, int on
)
153 ret
= pci_read_config_byte(chip
->pdev
, 0xAE, &scratch
);
158 * Turn PMOS on [bit 0], set over current detection to 2.4 V
159 * [bit 1:2] and enable over current debouncing [bit 6].
166 ret
= pci_write_config_byte(chip
->pdev
, 0xAE, scratch
);
173 static int jmicron_probe(struct sdhci_pci_chip
*chip
)
177 if (chip
->pdev
->revision
== 0) {
178 chip
->quirks
|= SDHCI_QUIRK_32BIT_DMA_ADDR
|
179 SDHCI_QUIRK_32BIT_DMA_SIZE
|
180 SDHCI_QUIRK_32BIT_ADMA_SIZE
|
181 SDHCI_QUIRK_RESET_AFTER_REQUEST
|
182 SDHCI_QUIRK_BROKEN_SMALL_PIO
;
186 * JMicron chips can have two interfaces to the same hardware
187 * in order to work around limitations in Microsoft's driver.
188 * We need to make sure we only bind to one of them.
190 * This code assumes two things:
192 * 1. The PCI code adds subfunctions in order.
194 * 2. The MMC interface has a lower subfunction number
195 * than the SD interface.
197 if (chip
->pdev
->device
== PCI_DEVICE_ID_JMICRON_JMB38X_SD
) {
198 struct pci_dev
*sd_dev
;
201 while ((sd_dev
= pci_get_device(PCI_VENDOR_ID_JMICRON
,
202 PCI_DEVICE_ID_JMICRON_JMB38X_MMC
, sd_dev
)) != NULL
) {
203 if ((PCI_SLOT(chip
->pdev
->devfn
) ==
204 PCI_SLOT(sd_dev
->devfn
)) &&
205 (chip
->pdev
->bus
== sd_dev
->bus
))
211 dev_info(&chip
->pdev
->dev
, "Refusing to bind to "
212 "secondary interface.\n");
218 * JMicron chips need a bit of a nudge to enable the power
221 ret
= jmicron_pmos(chip
, 1);
223 dev_err(&chip
->pdev
->dev
, "Failure enabling card power\n");
230 static void jmicron_enable_mmc(struct sdhci_host
*host
, int on
)
234 scratch
= readb(host
->ioaddr
+ 0xC0);
241 writeb(scratch
, host
->ioaddr
+ 0xC0);
244 static int jmicron_probe_slot(struct sdhci_pci_slot
*slot
)
246 if (slot
->chip
->pdev
->revision
== 0) {
249 version
= readl(slot
->host
->ioaddr
+ SDHCI_HOST_VERSION
);
250 version
= (version
& SDHCI_VENDOR_VER_MASK
) >>
251 SDHCI_VENDOR_VER_SHIFT
;
254 * Older versions of the chip have lots of nasty glitches
255 * in the ADMA engine. It's best just to avoid it
259 slot
->host
->quirks
|= SDHCI_QUIRK_BROKEN_ADMA
;
263 * The secondary interface requires a bit set to get the
266 if (slot
->chip
->pdev
->device
== PCI_DEVICE_ID_JMICRON_JMB38X_MMC
)
267 jmicron_enable_mmc(slot
->host
, 1);
272 static void jmicron_remove_slot(struct sdhci_pci_slot
*slot
, int dead
)
277 if (slot
->chip
->pdev
->device
== PCI_DEVICE_ID_JMICRON_JMB38X_MMC
)
278 jmicron_enable_mmc(slot
->host
, 0);
281 static int jmicron_suspend(struct sdhci_pci_chip
*chip
, pm_message_t state
)
285 if (chip
->pdev
->device
== PCI_DEVICE_ID_JMICRON_JMB38X_MMC
) {
286 for (i
= 0;i
< chip
->num_slots
;i
++)
287 jmicron_enable_mmc(chip
->slots
[i
]->host
, 0);
293 static int jmicron_resume(struct sdhci_pci_chip
*chip
)
297 if (chip
->pdev
->device
== PCI_DEVICE_ID_JMICRON_JMB38X_MMC
) {
298 for (i
= 0;i
< chip
->num_slots
;i
++)
299 jmicron_enable_mmc(chip
->slots
[i
]->host
, 1);
302 ret
= jmicron_pmos(chip
, 1);
304 dev_err(&chip
->pdev
->dev
, "Failure enabling card power\n");
311 static const struct sdhci_pci_fixes sdhci_jmicron
= {
312 .probe
= jmicron_probe
,
314 .probe_slot
= jmicron_probe_slot
,
315 .remove_slot
= jmicron_remove_slot
,
317 .suspend
= jmicron_suspend
,
318 .resume
= jmicron_resume
,
321 /* SysKonnect CardBus2SDIO extra registers */
322 #define SYSKT_CTRL 0x200
323 #define SYSKT_RDFIFO_STAT 0x204
324 #define SYSKT_WRFIFO_STAT 0x208
325 #define SYSKT_POWER_DATA 0x20c
326 #define SYSKT_POWER_330 0xef
327 #define SYSKT_POWER_300 0xf8
328 #define SYSKT_POWER_184 0xcc
329 #define SYSKT_POWER_CMD 0x20d
330 #define SYSKT_POWER_START (1 << 7)
331 #define SYSKT_POWER_STATUS 0x20e
332 #define SYSKT_POWER_STATUS_OK (1 << 0)
333 #define SYSKT_BOARD_REV 0x210
334 #define SYSKT_CHIP_REV 0x211
335 #define SYSKT_CONF_DATA 0x212
336 #define SYSKT_CONF_DATA_1V8 (1 << 2)
337 #define SYSKT_CONF_DATA_2V5 (1 << 1)
338 #define SYSKT_CONF_DATA_3V3 (1 << 0)
340 static int syskt_probe(struct sdhci_pci_chip
*chip
)
342 if ((chip
->pdev
->class & 0x0000FF) == PCI_SDHCI_IFVENDOR
) {
343 chip
->pdev
->class &= ~0x0000FF;
344 chip
->pdev
->class |= PCI_SDHCI_IFDMA
;
349 static int syskt_probe_slot(struct sdhci_pci_slot
*slot
)
353 u8 board_rev
= readb(slot
->host
->ioaddr
+ SYSKT_BOARD_REV
);
354 u8 chip_rev
= readb(slot
->host
->ioaddr
+ SYSKT_CHIP_REV
);
355 dev_info(&slot
->chip
->pdev
->dev
, "SysKonnect CardBus2SDIO, "
356 "board rev %d.%d, chip rev %d.%d\n",
357 board_rev
>> 4, board_rev
& 0xf,
358 chip_rev
>> 4, chip_rev
& 0xf);
359 if (chip_rev
>= 0x20)
360 slot
->host
->quirks
|= SDHCI_QUIRK_FORCE_DMA
;
362 writeb(SYSKT_POWER_330
, slot
->host
->ioaddr
+ SYSKT_POWER_DATA
);
363 writeb(SYSKT_POWER_START
, slot
->host
->ioaddr
+ SYSKT_POWER_CMD
);
365 tm
= 10; /* Wait max 1 ms */
367 ps
= readw(slot
->host
->ioaddr
+ SYSKT_POWER_STATUS
);
368 if (ps
& SYSKT_POWER_STATUS_OK
)
373 dev_err(&slot
->chip
->pdev
->dev
,
374 "power regulator never stabilized");
375 writeb(0, slot
->host
->ioaddr
+ SYSKT_POWER_CMD
);
382 static const struct sdhci_pci_fixes sdhci_syskt
= {
383 .quirks
= SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER
,
384 .probe
= syskt_probe
,
385 .probe_slot
= syskt_probe_slot
,
388 static int via_probe(struct sdhci_pci_chip
*chip
)
390 if (chip
->pdev
->revision
== 0x10)
391 chip
->quirks
|= SDHCI_QUIRK_DELAY_AFTER_POWER
;
396 static const struct sdhci_pci_fixes sdhci_via
= {
400 static const struct pci_device_id pci_ids
[] __devinitdata
= {
402 .vendor
= PCI_VENDOR_ID_RICOH
,
403 .device
= PCI_DEVICE_ID_RICOH_R5C822
,
404 .subvendor
= PCI_ANY_ID
,
405 .subdevice
= PCI_ANY_ID
,
406 .driver_data
= (kernel_ulong_t
)&sdhci_ricoh
,
410 .vendor
= PCI_VENDOR_ID_RICOH
,
412 .subvendor
= PCI_ANY_ID
,
413 .subdevice
= PCI_ANY_ID
,
414 .driver_data
= (kernel_ulong_t
)&sdhci_ricoh_mmc
,
418 .vendor
= PCI_VENDOR_ID_RICOH
,
420 .subvendor
= PCI_ANY_ID
,
421 .subdevice
= PCI_ANY_ID
,
422 .driver_data
= (kernel_ulong_t
)&sdhci_ricoh_mmc
,
426 .vendor
= PCI_VENDOR_ID_ENE
,
427 .device
= PCI_DEVICE_ID_ENE_CB712_SD
,
428 .subvendor
= PCI_ANY_ID
,
429 .subdevice
= PCI_ANY_ID
,
430 .driver_data
= (kernel_ulong_t
)&sdhci_ene_712
,
434 .vendor
= PCI_VENDOR_ID_ENE
,
435 .device
= PCI_DEVICE_ID_ENE_CB712_SD_2
,
436 .subvendor
= PCI_ANY_ID
,
437 .subdevice
= PCI_ANY_ID
,
438 .driver_data
= (kernel_ulong_t
)&sdhci_ene_712
,
442 .vendor
= PCI_VENDOR_ID_ENE
,
443 .device
= PCI_DEVICE_ID_ENE_CB714_SD
,
444 .subvendor
= PCI_ANY_ID
,
445 .subdevice
= PCI_ANY_ID
,
446 .driver_data
= (kernel_ulong_t
)&sdhci_ene_714
,
450 .vendor
= PCI_VENDOR_ID_ENE
,
451 .device
= PCI_DEVICE_ID_ENE_CB714_SD_2
,
452 .subvendor
= PCI_ANY_ID
,
453 .subdevice
= PCI_ANY_ID
,
454 .driver_data
= (kernel_ulong_t
)&sdhci_ene_714
,
458 .vendor
= PCI_VENDOR_ID_MARVELL
,
459 .device
= PCI_DEVICE_ID_MARVELL_88ALP01_SD
,
460 .subvendor
= PCI_ANY_ID
,
461 .subdevice
= PCI_ANY_ID
,
462 .driver_data
= (kernel_ulong_t
)&sdhci_cafe
,
466 .vendor
= PCI_VENDOR_ID_JMICRON
,
467 .device
= PCI_DEVICE_ID_JMICRON_JMB38X_SD
,
468 .subvendor
= PCI_ANY_ID
,
469 .subdevice
= PCI_ANY_ID
,
470 .driver_data
= (kernel_ulong_t
)&sdhci_jmicron
,
474 .vendor
= PCI_VENDOR_ID_JMICRON
,
475 .device
= PCI_DEVICE_ID_JMICRON_JMB38X_MMC
,
476 .subvendor
= PCI_ANY_ID
,
477 .subdevice
= PCI_ANY_ID
,
478 .driver_data
= (kernel_ulong_t
)&sdhci_jmicron
,
482 .vendor
= PCI_VENDOR_ID_SYSKONNECT
,
484 .subvendor
= PCI_ANY_ID
,
485 .subdevice
= PCI_ANY_ID
,
486 .driver_data
= (kernel_ulong_t
)&sdhci_syskt
,
490 .vendor
= PCI_VENDOR_ID_VIA
,
492 .subvendor
= PCI_ANY_ID
,
493 .subdevice
= PCI_ANY_ID
,
494 .driver_data
= (kernel_ulong_t
)&sdhci_via
,
497 { /* Generic SD host controller */
498 PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI
<< 8), 0xFFFF00)
501 { /* end: all zeroes */ },
504 MODULE_DEVICE_TABLE(pci
, pci_ids
);
506 /*****************************************************************************\
508 * SDHCI core callbacks *
510 \*****************************************************************************/
512 static int sdhci_pci_enable_dma(struct sdhci_host
*host
)
514 struct sdhci_pci_slot
*slot
;
515 struct pci_dev
*pdev
;
518 slot
= sdhci_priv(host
);
519 pdev
= slot
->chip
->pdev
;
521 if (((pdev
->class & 0xFFFF00) == (PCI_CLASS_SYSTEM_SDHCI
<< 8)) &&
522 ((pdev
->class & 0x0000FF) != PCI_SDHCI_IFDMA
) &&
523 (host
->flags
& SDHCI_USE_SDMA
)) {
524 dev_warn(&pdev
->dev
, "Will use DMA mode even though HW "
525 "doesn't fully claim to support it.\n");
528 ret
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
532 pci_set_master(pdev
);
537 static struct sdhci_ops sdhci_pci_ops
= {
538 .enable_dma
= sdhci_pci_enable_dma
,
541 /*****************************************************************************\
545 \*****************************************************************************/
549 static int sdhci_pci_suspend (struct pci_dev
*pdev
, pm_message_t state
)
551 struct sdhci_pci_chip
*chip
;
552 struct sdhci_pci_slot
*slot
;
553 mmc_pm_flag_t pm_flags
= 0;
556 chip
= pci_get_drvdata(pdev
);
560 for (i
= 0;i
< chip
->num_slots
;i
++) {
561 slot
= chip
->slots
[i
];
565 ret
= sdhci_suspend_host(slot
->host
, state
);
569 sdhci_resume_host(chip
->slots
[i
]->host
);
573 pm_flags
|= slot
->host
->mmc
->pm_flags
;
576 if (chip
->fixes
&& chip
->fixes
->suspend
) {
577 ret
= chip
->fixes
->suspend(chip
, state
);
579 for (i
= chip
->num_slots
- 1;i
>= 0;i
--)
580 sdhci_resume_host(chip
->slots
[i
]->host
);
585 pci_save_state(pdev
);
586 if (pm_flags
& MMC_PM_KEEP_POWER
) {
587 if (pm_flags
& MMC_PM_WAKE_SDIO_IRQ
)
588 pci_enable_wake(pdev
, PCI_D3hot
, 1);
589 pci_set_power_state(pdev
, PCI_D3hot
);
591 pci_enable_wake(pdev
, pci_choose_state(pdev
, state
), 0);
592 pci_disable_device(pdev
);
593 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
599 static int sdhci_pci_resume (struct pci_dev
*pdev
)
601 struct sdhci_pci_chip
*chip
;
602 struct sdhci_pci_slot
*slot
;
605 chip
= pci_get_drvdata(pdev
);
609 pci_set_power_state(pdev
, PCI_D0
);
610 pci_restore_state(pdev
);
611 ret
= pci_enable_device(pdev
);
615 if (chip
->fixes
&& chip
->fixes
->resume
) {
616 ret
= chip
->fixes
->resume(chip
);
621 for (i
= 0;i
< chip
->num_slots
;i
++) {
622 slot
= chip
->slots
[i
];
626 ret
= sdhci_resume_host(slot
->host
);
634 #else /* CONFIG_PM */
636 #define sdhci_pci_suspend NULL
637 #define sdhci_pci_resume NULL
639 #endif /* CONFIG_PM */
641 /*****************************************************************************\
643 * Device probing/removal *
645 \*****************************************************************************/
647 static struct sdhci_pci_slot
* __devinit
sdhci_pci_probe_slot(
648 struct pci_dev
*pdev
, struct sdhci_pci_chip
*chip
, int bar
)
650 struct sdhci_pci_slot
*slot
;
651 struct sdhci_host
*host
;
653 resource_size_t addr
;
657 if (!(pci_resource_flags(pdev
, bar
) & IORESOURCE_MEM
)) {
658 dev_err(&pdev
->dev
, "BAR %d is not iomem. Aborting.\n", bar
);
659 return ERR_PTR(-ENODEV
);
662 if (pci_resource_len(pdev
, bar
) != 0x100) {
663 dev_err(&pdev
->dev
, "Invalid iomem size. You may "
664 "experience problems.\n");
667 if ((pdev
->class & 0x0000FF) == PCI_SDHCI_IFVENDOR
) {
668 dev_err(&pdev
->dev
, "Vendor specific interface. Aborting.\n");
669 return ERR_PTR(-ENODEV
);
672 if ((pdev
->class & 0x0000FF) > PCI_SDHCI_IFVENDOR
) {
673 dev_err(&pdev
->dev
, "Unknown interface. Aborting.\n");
674 return ERR_PTR(-ENODEV
);
677 host
= sdhci_alloc_host(&pdev
->dev
, sizeof(struct sdhci_pci_slot
));
679 dev_err(&pdev
->dev
, "cannot allocate host\n");
680 return ERR_CAST(host
);
683 slot
= sdhci_priv(host
);
689 host
->hw_name
= "PCI";
690 host
->ops
= &sdhci_pci_ops
;
691 host
->quirks
= chip
->quirks
;
693 host
->irq
= pdev
->irq
;
695 ret
= pci_request_region(pdev
, bar
, mmc_hostname(host
->mmc
));
697 dev_err(&pdev
->dev
, "cannot request region\n");
701 addr
= pci_resource_start(pdev
, bar
);
702 host
->ioaddr
= pci_ioremap_bar(pdev
, bar
);
704 dev_err(&pdev
->dev
, "failed to remap registers\n");
708 if (chip
->fixes
&& chip
->fixes
->probe_slot
) {
709 ret
= chip
->fixes
->probe_slot(slot
);
714 host
->mmc
->pm_caps
= MMC_PM_KEEP_POWER
| MMC_PM_WAKE_SDIO_IRQ
;
716 ret
= sdhci_add_host(host
);
723 if (chip
->fixes
&& chip
->fixes
->remove_slot
)
724 chip
->fixes
->remove_slot(slot
, 0);
727 iounmap(host
->ioaddr
);
730 pci_release_region(pdev
, bar
);
733 sdhci_free_host(host
);
738 static void sdhci_pci_remove_slot(struct sdhci_pci_slot
*slot
)
744 scratch
= readl(slot
->host
->ioaddr
+ SDHCI_INT_STATUS
);
745 if (scratch
== (u32
)-1)
748 sdhci_remove_host(slot
->host
, dead
);
750 if (slot
->chip
->fixes
&& slot
->chip
->fixes
->remove_slot
)
751 slot
->chip
->fixes
->remove_slot(slot
, dead
);
753 pci_release_region(slot
->chip
->pdev
, slot
->pci_bar
);
755 sdhci_free_host(slot
->host
);
758 static int __devinit
sdhci_pci_probe(struct pci_dev
*pdev
,
759 const struct pci_device_id
*ent
)
761 struct sdhci_pci_chip
*chip
;
762 struct sdhci_pci_slot
*slot
;
764 u8 slots
, rev
, first_bar
;
767 BUG_ON(pdev
== NULL
);
770 pci_read_config_byte(pdev
, PCI_CLASS_REVISION
, &rev
);
772 dev_info(&pdev
->dev
, "SDHCI controller found [%04x:%04x] (rev %x)\n",
773 (int)pdev
->vendor
, (int)pdev
->device
, (int)rev
);
775 ret
= pci_read_config_byte(pdev
, PCI_SLOT_INFO
, &slots
);
779 slots
= PCI_SLOT_INFO_SLOTS(slots
) + 1;
780 dev_dbg(&pdev
->dev
, "found %d slot(s)\n", slots
);
784 BUG_ON(slots
> MAX_SLOTS
);
786 ret
= pci_read_config_byte(pdev
, PCI_SLOT_INFO
, &first_bar
);
790 first_bar
&= PCI_SLOT_INFO_FIRST_BAR_MASK
;
793 dev_err(&pdev
->dev
, "Invalid first BAR. Aborting.\n");
797 ret
= pci_enable_device(pdev
);
801 chip
= kzalloc(sizeof(struct sdhci_pci_chip
), GFP_KERNEL
);
808 chip
->fixes
= (const struct sdhci_pci_fixes
*)ent
->driver_data
;
810 chip
->quirks
= chip
->fixes
->quirks
;
811 chip
->num_slots
= slots
;
813 pci_set_drvdata(pdev
, chip
);
815 if (chip
->fixes
&& chip
->fixes
->probe
) {
816 ret
= chip
->fixes
->probe(chip
);
821 for (i
= 0;i
< slots
;i
++) {
822 slot
= sdhci_pci_probe_slot(pdev
, chip
, first_bar
+ i
);
825 sdhci_pci_remove_slot(chip
->slots
[i
]);
830 chip
->slots
[i
] = slot
;
836 pci_set_drvdata(pdev
, NULL
);
840 pci_disable_device(pdev
);
844 static void __devexit
sdhci_pci_remove(struct pci_dev
*pdev
)
847 struct sdhci_pci_chip
*chip
;
849 chip
= pci_get_drvdata(pdev
);
852 for (i
= 0;i
< chip
->num_slots
; i
++)
853 sdhci_pci_remove_slot(chip
->slots
[i
]);
855 pci_set_drvdata(pdev
, NULL
);
859 pci_disable_device(pdev
);
862 static struct pci_driver sdhci_driver
= {
865 .probe
= sdhci_pci_probe
,
866 .remove
= __devexit_p(sdhci_pci_remove
),
867 .suspend
= sdhci_pci_suspend
,
868 .resume
= sdhci_pci_resume
,
871 /*****************************************************************************\
875 \*****************************************************************************/
877 static int __init
sdhci_drv_init(void)
879 return pci_register_driver(&sdhci_driver
);
882 static void __exit
sdhci_drv_exit(void)
884 pci_unregister_driver(&sdhci_driver
);
887 module_init(sdhci_drv_init
);
888 module_exit(sdhci_drv_exit
);
890 MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
891 MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver");
892 MODULE_LICENSE("GPL");