/* * Private header for the mmc subsystem * * Copyright (C) 2016 Linaro Ltd * * Author: Ulf Hansson * * License terms: GNU General Public License (GPL) version 2 */ #ifndef _MMC_CORE_CARD_H #define _MMC_CORE_CARD_H #include #define mmc_card_name(c) ((c)->cid.prod_name) #define mmc_card_id(c) (dev_name(&(c)->dev)) #define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev) /* Card states */ #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ #define MMC_STATE_READONLY (1<<1) /* card is read-only */ #define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */ #define MMC_CARD_SDXC (1<<3) /* card is SDXC */ #define MMC_CARD_REMOVED (1<<4) /* card has been removed */ #define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */ #define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */ #if defined(CONFIG_MTK_EMMC_CQ_SUPPORT) || defined(CONFIG_MTK_EMMC_HW_CQ) #define MMC_STATE_CMDQ (1<<12) /* card is in cmd queue mode */ #endif #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS) #define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS) #define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS) #define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED) #define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED) #if defined(CONFIG_MTK_EMMC_CQ_SUPPORT) || defined(CONFIG_MTK_EMMC_HW_CQ) #define mmc_card_cmdq(c) ((c) && ((c)->state & MMC_STATE_CMDQ)) #define mmc_card_set_cmdq(c) ((c)->state |= MMC_STATE_CMDQ) #define mmc_card_clr_cmdq(c) ((c)->state &= ~MMC_STATE_CMDQ) #endif /* * The world is not perfect and supplies us with broken mmc/sdio devices. * For at least some of these bugs we need a work-around. */ struct mmc_fixup { /* CID-specific fields. */ const char *name; /* Valid revision range */ u64 rev_start, rev_end; unsigned int manfid; unsigned short oemid; /* SDIO-specific fields. You can use SDIO_ANY_ID here of course */ u16 cis_vendor, cis_device; /* for MMC cards */ unsigned int ext_csd_rev; void (*vendor_fixup)(struct mmc_card *card, int data); int data; }; #define CID_MANFID_ANY (-1u) #define CID_OEMID_ANY ((unsigned short) -1) #define CID_NAME_ANY (NULL) #define EXT_CSD_REV_ANY (-1u) #define CID_MANFID_SANDISK 0x2 #define CID_MANFID_ATP 0x9 #define CID_MANFID_TOSHIBA 0x11 #define CID_MANFID_MICRON 0x13 #define CID_MANFID_SAMSUNG 0x15 #define CID_MANFID_APACER 0x27 #define CID_MANFID_KINGSTON 0x70 #define CID_MANFID_HYNIX 0x90 #define CID_MANFID_NUMONYX 0xFE #define END_FIXUP { NULL } #define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \ _cis_vendor, _cis_device, \ _fixup, _data, _ext_csd_rev) \ { \ .name = (_name), \ .manfid = (_manfid), \ .oemid = (_oemid), \ .rev_start = (_rev_start), \ .rev_end = (_rev_end), \ .cis_vendor = (_cis_vendor), \ .cis_device = (_cis_device), \ .vendor_fixup = (_fixup), \ .data = (_data), \ .ext_csd_rev = (_ext_csd_rev), \ } #define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \ _fixup, _data, _ext_csd_rev) \ _FIXUP_EXT(_name, _manfid, \ _oemid, _rev_start, _rev_end, \ SDIO_ANY_ID, SDIO_ANY_ID, \ _fixup, _data, _ext_csd_rev) \ #define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \ MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ EXT_CSD_REV_ANY) #define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data, \ _ext_csd_rev) \ MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ _ext_csd_rev) #define SDIO_FIXUP(_vendor, _device, _fixup, _data) \ _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \ CID_OEMID_ANY, 0, -1ull, \ _vendor, _device, \ _fixup, _data, EXT_CSD_REV_ANY) \ #define cid_rev(hwrev, fwrev, year, month) \ (((u64) hwrev) << 40 | \ ((u64) fwrev) << 32 | \ ((u64) year) << 16 | \ ((u64) month)) #define cid_rev_card(card) \ cid_rev(card->cid.hwrev, \ card->cid.fwrev, \ card->cid.year, \ card->cid.month) /* * Unconditionally quirk add/remove. */ static inline void __maybe_unused add_quirk(struct mmc_card *card, int data) { card->quirks |= data; } static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) { card->quirks &= ~data; } static inline void __maybe_unused add_limit_rate_quirk(struct mmc_card *card, int data) { card->quirk_max_rate = data; } /* * Quirk add/remove for MMC products. */ static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data) { if (mmc_card_mmc(card)) card->quirks |= data; } static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card, int data) { if (mmc_card_mmc(card)) card->quirks &= ~data; } /* * Quirk add/remove for SD products. */ static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data) { if (mmc_card_sd(card)) card->quirks |= data; } static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card, int data) { if (mmc_card_sd(card)) card->quirks &= ~data; } static inline int mmc_card_lenient_fn0(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_LENIENT_FN0; } static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; } static inline int mmc_card_disable_cd(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_DISABLE_CD; } static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF; } static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512; } static inline int mmc_card_long_read_time(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_LONG_READ_TIME; } static inline int mmc_card_broken_irq_polling(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING; } static inline int mmc_card_broken_hpi(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_HPI; } #endif