Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 1 | /* |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 2 | * This file contains work-arounds for many known SD/MMC |
| 3 | * and SDIO hardware bugs. |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 4 | * |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 5 | * Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com> |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 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/mmc/card.h> |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 15 | |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 16 | #ifndef SDIO_VENDOR_ID_TI |
| 17 | #define SDIO_VENDOR_ID_TI 0x0097 |
| 18 | #endif |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 19 | |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 20 | #ifndef SDIO_DEVICE_ID_TI_WL1271 |
| 21 | #define SDIO_DEVICE_ID_TI_WL1271 0x4076 |
| 22 | #endif |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 23 | |
Pierre Tardy | db99350 | 2011-02-06 19:03:47 +0100 | [diff] [blame] | 24 | /* |
| 25 | * This hook just adds a quirk for all sdio devices |
| 26 | */ |
| 27 | static void add_quirk_for_sdio_devices(struct mmc_card *card, int data) |
| 28 | { |
| 29 | if (mmc_card_sdio(card)) |
| 30 | card->quirks |= data; |
| 31 | } |
| 32 | |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 33 | static const struct mmc_fixup mmc_fixup_methods[] = { |
Pierre Tardy | db99350 | 2011-02-06 19:03:47 +0100 | [diff] [blame] | 34 | /* by default sdio devices are considered CLK_GATING broken */ |
| 35 | /* good cards will be whitelisted as they are tested */ |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 36 | SDIO_FIXUP(SDIO_ANY_ID, SDIO_ANY_ID, |
| 37 | add_quirk_for_sdio_devices, |
| 38 | MMC_QUIRK_BROKEN_CLK_GATING), |
| 39 | |
| 40 | SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| 41 | remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING), |
| 42 | |
| 43 | SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| 44 | add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), |
| 45 | |
| 46 | SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| 47 | add_quirk, MMC_QUIRK_DISABLE_CD), |
| 48 | |
| 49 | END_FIXUP |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 50 | }; |
| 51 | |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 52 | void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table) |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 53 | { |
| 54 | const struct mmc_fixup *f; |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 55 | u64 rev = cid_rev_card(card); |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 56 | |
Andrei Warkentin | 32780cd | 2011-04-11 17:02:15 -0500 | [diff] [blame^] | 57 | /* Non-core specific workarounds. */ |
| 58 | if (!table) |
| 59 | table = mmc_fixup_methods; |
| 60 | |
| 61 | for (f = table; f->vendor_fixup; f++) { |
| 62 | if ((f->manfid == CID_MANFID_ANY || |
| 63 | f->manfid == card->cid.manfid) && |
| 64 | (f->oemid == CID_OEMID_ANY || |
| 65 | f->oemid == card->cid.oemid) && |
| 66 | (f->name == CID_NAME_ANY || |
| 67 | !strncmp(f->name, card->cid.prod_name, |
| 68 | sizeof(card->cid.prod_name))) && |
| 69 | (f->cis_vendor == card->cis.vendor || |
| 70 | f->cis_vendor == (u16) SDIO_ANY_ID) && |
| 71 | (f->cis_device == card->cis.device || |
| 72 | f->cis_device == (u16) SDIO_ANY_ID) && |
| 73 | rev >= f->rev_start && rev <= f->rev_end) { |
Pierre Tardy | 57f0adc | 2011-02-06 19:03:46 +0100 | [diff] [blame] | 74 | dev_dbg(&card->dev, "calling %pF\n", f->vendor_fixup); |
| 75 | f->vendor_fixup(card, f->data); |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | EXPORT_SYMBOL(mmc_fixup_device); |