1/*
 2 *  This file contains work-arounds for many known SD/MMC
 3 *  and SDIO hardware bugs.
 4 *
 5 *  Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com>
 6 *  Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com>
 7 *  Inspired from pci fixup code:
 8 *  Copyright (c) 1999 Martin Mares <mj@ucw.cz>
 9 *
10 */
11
12#include <linux/types.h>
13#include <linux/kernel.h>
14#include <linux/export.h>
15#include <linux/mmc/card.h>
16#include <linux/mmc/sdio_ids.h>
17
18#ifndef SDIO_VENDOR_ID_TI
19#define SDIO_VENDOR_ID_TI		0x0097
20#endif
21
22#ifndef SDIO_DEVICE_ID_TI_WL1271
23#define SDIO_DEVICE_ID_TI_WL1271	0x4076
24#endif
25
26#ifndef SDIO_VENDOR_ID_STE
27#define SDIO_VENDOR_ID_STE		0x0020
28#endif
29
30#ifndef SDIO_DEVICE_ID_STE_CW1200
31#define SDIO_DEVICE_ID_STE_CW1200	0x2280
32#endif
33
34#ifndef SDIO_DEVICE_ID_MARVELL_8797_F0
35#define SDIO_DEVICE_ID_MARVELL_8797_F0	0x9128
36#endif
37
38static const struct mmc_fixup mmc_fixup_methods[] = {
39	SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
40		   add_quirk, MMC_QUIRK_NONSTD_FUNC_IF),
41
42	SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
43		   add_quirk, MMC_QUIRK_DISABLE_CD),
44
45	SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200,
46		   add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512),
47
48	SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,
49		   add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),
50
51	END_FIXUP
52};
53
54void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table)
55{
56	const struct mmc_fixup *f;
57	u64 rev = cid_rev_card(card);
58
59	/* Non-core specific workarounds. */
60	if (!table)
61		table = mmc_fixup_methods;
62
63	for (f = table; f->vendor_fixup; f++) {
64		if ((f->manfid == CID_MANFID_ANY ||
65		     f->manfid == card->cid.manfid) &&
66		    (f->oemid == CID_OEMID_ANY ||
67		     f->oemid == card->cid.oemid) &&
68		    (f->name == CID_NAME_ANY ||
69		     !strncmp(f->name, card->cid.prod_name,
70			      sizeof(card->cid.prod_name))) &&
71		    (f->cis_vendor == card->cis.vendor ||
72		     f->cis_vendor == (u16) SDIO_ANY_ID) &&
73		    (f->cis_device == card->cis.device ||
74		     f->cis_device == (u16) SDIO_ANY_ID) &&
75		    (f->ext_csd_rev == EXT_CSD_REV_ANY ||
76		     f->ext_csd_rev == card->ext_csd.rev) &&
77		    rev >= f->rev_start && rev <= f->rev_end) {
78			dev_dbg(&card->dev, "calling %pf\n", f->vendor_fixup);
79			f->vendor_fixup(card, f->data);
80		}
81	}
82}
83EXPORT_SYMBOL(mmc_fixup_device);