| /* |
| * This file contains work-arounds for many known SD/MMC |
| * and SDIO hardware bugs. |
| * |
| * Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com> |
| * Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com> |
| * Inspired from pci fixup code: |
| * Copyright (c) 1999 Martin Mares <mj@ucw.cz> |
| * |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/kernel.h> |
| #include <linux/export.h> |
| #include <linux/mmc/card.h> |
| |
| #ifndef SDIO_VENDOR_ID_TI |
| #define SDIO_VENDOR_ID_TI 0x0097 |
| #endif |
| |
| #ifndef SDIO_DEVICE_ID_TI_WL1271 |
| #define SDIO_DEVICE_ID_TI_WL1271 0x4076 |
| #endif |
| |
| #ifndef SDIO_VENDOR_ID_STE |
| #define SDIO_VENDOR_ID_STE 0x0020 |
| #endif |
| |
| #ifndef SDIO_DEVICE_ID_STE_CW1200 |
| #define SDIO_DEVICE_ID_STE_CW1200 0x2280 |
| #endif |
| |
| #ifndef SDIO_VENDOR_ID_MSM |
| #define SDIO_VENDOR_ID_MSM 0x0070 |
| #endif |
| |
| #ifndef SDIO_DEVICE_ID_MSM_WCN1314 |
| #define SDIO_DEVICE_ID_MSM_WCN1314 0x2881 |
| #endif |
| |
| #ifndef SDIO_VENDOR_ID_MSM_QCA |
| #define SDIO_VENDOR_ID_MSM_QCA 0x271 |
| #endif |
| |
| #ifndef SDIO_DEVICE_ID_MSM_QCA_AR6003_1 |
| #define SDIO_DEVICE_ID_MSM_QCA_AR6003_1 0x300 |
| #endif |
| |
| #ifndef SDIO_DEVICE_ID_MSM_QCA_AR6003_2 |
| #define SDIO_DEVICE_ID_MSM_QCA_AR6003_2 0x301 |
| #endif |
| |
| /* |
| * This hook just adds a quirk for all sdio devices |
| */ |
| static void add_quirk_for_sdio_devices(struct mmc_card *card, int data) |
| { |
| if (mmc_card_sdio(card)) |
| card->quirks |= data; |
| } |
| |
| static const struct mmc_fixup mmc_fixup_methods[] = { |
| /* by default sdio devices are considered CLK_GATING broken */ |
| /* good cards will be whitelisted as they are tested */ |
| SDIO_FIXUP(SDIO_ANY_ID, SDIO_ANY_ID, |
| add_quirk_for_sdio_devices, |
| MMC_QUIRK_BROKEN_CLK_GATING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_MSM, SDIO_DEVICE_ID_MSM_WCN1314, |
| remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_MSM_QCA, SDIO_DEVICE_ID_MSM_QCA_AR6003_1, |
| remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_MSM_QCA, SDIO_DEVICE_ID_MSM_QCA_AR6003_2, |
| remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| add_quirk, MMC_QUIRK_NONSTD_FUNC_IF), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271, |
| add_quirk, MMC_QUIRK_DISABLE_CD), |
| |
| SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200, |
| add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512), |
| |
| END_FIXUP |
| }; |
| |
| void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table) |
| { |
| const struct mmc_fixup *f; |
| u64 rev = cid_rev_card(card); |
| |
| /* Non-core specific workarounds. */ |
| if (!table) |
| table = mmc_fixup_methods; |
| |
| for (f = table; f->vendor_fixup; f++) { |
| if ((f->manfid == CID_MANFID_ANY || |
| f->manfid == card->cid.manfid) && |
| (f->oemid == CID_OEMID_ANY || |
| f->oemid == card->cid.oemid) && |
| (f->name == CID_NAME_ANY || |
| !strncmp(f->name, card->cid.prod_name, |
| sizeof(card->cid.prod_name))) && |
| (f->ext_csd_rev == EXT_CSD_REV_ANY || |
| f->ext_csd_rev == card->ext_csd.rev) && |
| (f->cis_vendor == card->cis.vendor || |
| f->cis_vendor == (u16) SDIO_ANY_ID) && |
| (f->cis_device == card->cis.device || |
| f->cis_device == (u16) SDIO_ANY_ID) && |
| rev >= f->rev_start && rev <= f->rev_end) { |
| dev_dbg(&card->dev, "calling %pF\n", f->vendor_fixup); |
| f->vendor_fixup(card, f->data); |
| } |
| } |
| } |
| EXPORT_SYMBOL(mmc_fixup_device); |