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-rw-r--r--kernel/include/linux/mmc/boot.h7
-rw-r--r--kernel/include/linux/mmc/card.h531
-rw-r--r--kernel/include/linux/mmc/core.h215
-rw-r--r--kernel/include/linux/mmc/dw_mmc.h271
-rw-r--r--kernel/include/linux/mmc/host.h516
-rw-r--r--kernel/include/linux/mmc/mmc.h444
-rw-r--r--kernel/include/linux/mmc/pm.h30
-rw-r--r--kernel/include/linux/mmc/sd.h94
-rw-r--r--kernel/include/linux/mmc/sdhci-pci-data.h18
-rw-r--r--kernel/include/linux/mmc/sdio.h193
-rw-r--r--kernel/include/linux/mmc/sdio_func.h162
-rw-r--r--kernel/include/linux/mmc/sdio_ids.h61
-rw-r--r--kernel/include/linux/mmc/sh_mmcif.h218
-rw-r--r--kernel/include/linux/mmc/sh_mobile_sdhi.h10
-rw-r--r--kernel/include/linux/mmc/slot-gpio.h33
-rw-r--r--kernel/include/linux/mmc/tmio.h66
16 files changed, 2869 insertions, 0 deletions
diff --git a/kernel/include/linux/mmc/boot.h b/kernel/include/linux/mmc/boot.h
new file mode 100644
index 000000000..23acc3baa
--- /dev/null
+++ b/kernel/include/linux/mmc/boot.h
@@ -0,0 +1,7 @@
+#ifndef LINUX_MMC_BOOT_H
+#define LINUX_MMC_BOOT_H
+
+enum { MMC_PROGRESS_ENTER, MMC_PROGRESS_INIT,
+ MMC_PROGRESS_LOAD, MMC_PROGRESS_DONE };
+
+#endif /* LINUX_MMC_BOOT_H */
diff --git a/kernel/include/linux/mmc/card.h b/kernel/include/linux/mmc/card.h
new file mode 100644
index 000000000..19f0175c0
--- /dev/null
+++ b/kernel/include/linux/mmc/card.h
@@ -0,0 +1,531 @@
+/*
+ * linux/include/linux/mmc/card.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Card driver specific definitions.
+ */
+#ifndef LINUX_MMC_CARD_H
+#define LINUX_MMC_CARD_H
+
+#include <linux/device.h>
+#include <linux/mmc/core.h>
+#include <linux/mod_devicetable.h>
+
+struct mmc_cid {
+ unsigned int manfid;
+ char prod_name[8];
+ unsigned char prv;
+ unsigned int serial;
+ unsigned short oemid;
+ unsigned short year;
+ unsigned char hwrev;
+ unsigned char fwrev;
+ unsigned char month;
+};
+
+struct mmc_csd {
+ unsigned char structure;
+ unsigned char mmca_vsn;
+ unsigned short cmdclass;
+ unsigned short tacc_clks;
+ unsigned int tacc_ns;
+ unsigned int c_size;
+ unsigned int r2w_factor;
+ unsigned int max_dtr;
+ unsigned int erase_size; /* In sectors */
+ unsigned int read_blkbits;
+ unsigned int write_blkbits;
+ unsigned int capacity;
+ unsigned int read_partial:1,
+ read_misalign:1,
+ write_partial:1,
+ write_misalign:1,
+ dsr_imp:1;
+};
+
+struct mmc_ext_csd {
+ u8 rev;
+ u8 erase_group_def;
+ u8 sec_feature_support;
+ u8 rel_sectors;
+ u8 rel_param;
+ u8 part_config;
+ u8 cache_ctrl;
+ u8 rst_n_function;
+ u8 max_packed_writes;
+ u8 max_packed_reads;
+ u8 packed_event_en;
+ unsigned int part_time; /* Units: ms */
+ unsigned int sa_timeout; /* Units: 100ns */
+ unsigned int generic_cmd6_time; /* Units: 10ms */
+ unsigned int power_off_longtime; /* Units: ms */
+ u8 power_off_notification; /* state */
+ unsigned int hs_max_dtr;
+ unsigned int hs200_max_dtr;
+#define MMC_HIGH_26_MAX_DTR 26000000
+#define MMC_HIGH_52_MAX_DTR 52000000
+#define MMC_HIGH_DDR_MAX_DTR 52000000
+#define MMC_HS200_MAX_DTR 200000000
+ unsigned int sectors;
+ unsigned int hc_erase_size; /* In sectors */
+ unsigned int hc_erase_timeout; /* In milliseconds */
+ unsigned int sec_trim_mult; /* Secure trim multiplier */
+ unsigned int sec_erase_mult; /* Secure erase multiplier */
+ unsigned int trim_timeout; /* In milliseconds */
+ bool partition_setting_completed; /* enable bit */
+ unsigned long long enhanced_area_offset; /* Units: Byte */
+ unsigned int enhanced_area_size; /* Units: KB */
+ unsigned int cache_size; /* Units: KB */
+ bool hpi_en; /* HPI enablebit */
+ bool hpi; /* HPI support bit */
+ unsigned int hpi_cmd; /* cmd used as HPI */
+ bool bkops; /* background support bit */
+ bool man_bkops_en; /* manual bkops enable bit */
+ unsigned int data_sector_size; /* 512 bytes or 4KB */
+ unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
+ unsigned int boot_ro_lock; /* ro lock support */
+ bool boot_ro_lockable;
+ bool ffu_capable; /* Firmware upgrade support */
+#define MMC_FIRMWARE_LEN 8
+ u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */
+ u8 raw_exception_status; /* 54 */
+ u8 raw_partition_support; /* 160 */
+ u8 raw_rpmb_size_mult; /* 168 */
+ u8 raw_erased_mem_count; /* 181 */
+ u8 raw_ext_csd_structure; /* 194 */
+ u8 raw_card_type; /* 196 */
+ u8 out_of_int_time; /* 198 */
+ u8 raw_pwr_cl_52_195; /* 200 */
+ u8 raw_pwr_cl_26_195; /* 201 */
+ u8 raw_pwr_cl_52_360; /* 202 */
+ u8 raw_pwr_cl_26_360; /* 203 */
+ u8 raw_s_a_timeout; /* 217 */
+ u8 raw_hc_erase_gap_size; /* 221 */
+ u8 raw_erase_timeout_mult; /* 223 */
+ u8 raw_hc_erase_grp_size; /* 224 */
+ u8 raw_sec_trim_mult; /* 229 */
+ u8 raw_sec_erase_mult; /* 230 */
+ u8 raw_sec_feature_support;/* 231 */
+ u8 raw_trim_mult; /* 232 */
+ u8 raw_pwr_cl_200_195; /* 236 */
+ u8 raw_pwr_cl_200_360; /* 237 */
+ u8 raw_pwr_cl_ddr_52_195; /* 238 */
+ u8 raw_pwr_cl_ddr_52_360; /* 239 */
+ u8 raw_pwr_cl_ddr_200_360; /* 253 */
+ u8 raw_bkops_status; /* 246 */
+ u8 raw_sectors[4]; /* 212 - 4 bytes */
+
+ unsigned int feature_support;
+#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */
+};
+
+struct sd_scr {
+ unsigned char sda_vsn;
+ unsigned char sda_spec3;
+ unsigned char bus_widths;
+#define SD_SCR_BUS_WIDTH_1 (1<<0)
+#define SD_SCR_BUS_WIDTH_4 (1<<2)
+ unsigned char cmds;
+#define SD_SCR_CMD20_SUPPORT (1<<0)
+#define SD_SCR_CMD23_SUPPORT (1<<1)
+};
+
+struct sd_ssr {
+ unsigned int au; /* In sectors */
+ unsigned int erase_timeout; /* In milliseconds */
+ unsigned int erase_offset; /* In milliseconds */
+};
+
+struct sd_switch_caps {
+ unsigned int hs_max_dtr;
+ unsigned int uhs_max_dtr;
+#define HIGH_SPEED_MAX_DTR 50000000
+#define UHS_SDR104_MAX_DTR 208000000
+#define UHS_SDR50_MAX_DTR 100000000
+#define UHS_DDR50_MAX_DTR 50000000
+#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
+#define UHS_SDR12_MAX_DTR 25000000
+ unsigned int sd3_bus_mode;
+#define UHS_SDR12_BUS_SPEED 0
+#define HIGH_SPEED_BUS_SPEED 1
+#define UHS_SDR25_BUS_SPEED 1
+#define UHS_SDR50_BUS_SPEED 2
+#define UHS_SDR104_BUS_SPEED 3
+#define UHS_DDR50_BUS_SPEED 4
+
+#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
+#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
+#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
+#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
+#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
+#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
+ unsigned int sd3_drv_type;
+#define SD_DRIVER_TYPE_B 0x01
+#define SD_DRIVER_TYPE_A 0x02
+#define SD_DRIVER_TYPE_C 0x04
+#define SD_DRIVER_TYPE_D 0x08
+ unsigned int sd3_curr_limit;
+#define SD_SET_CURRENT_LIMIT_200 0
+#define SD_SET_CURRENT_LIMIT_400 1
+#define SD_SET_CURRENT_LIMIT_600 2
+#define SD_SET_CURRENT_LIMIT_800 3
+#define SD_SET_CURRENT_NO_CHANGE (-1)
+
+#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
+#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
+#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
+#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
+};
+
+struct sdio_cccr {
+ unsigned int sdio_vsn;
+ unsigned int sd_vsn;
+ unsigned int multi_block:1,
+ low_speed:1,
+ wide_bus:1,
+ high_power:1,
+ high_speed:1,
+ disable_cd:1;
+};
+
+struct sdio_cis {
+ unsigned short vendor;
+ unsigned short device;
+ unsigned short blksize;
+ unsigned int max_dtr;
+};
+
+struct mmc_host;
+struct mmc_ios;
+struct sdio_func;
+struct sdio_func_tuple;
+
+#define SDIO_MAX_FUNCS 7
+
+enum mmc_blk_status {
+ MMC_BLK_SUCCESS = 0,
+ MMC_BLK_PARTIAL,
+ MMC_BLK_CMD_ERR,
+ MMC_BLK_RETRY,
+ MMC_BLK_ABORT,
+ MMC_BLK_DATA_ERR,
+ MMC_BLK_ECC_ERR,
+ MMC_BLK_NOMEDIUM,
+ MMC_BLK_NEW_REQUEST,
+};
+
+/* The number of MMC physical partitions. These consist of:
+ * boot partitions (2), general purpose partitions (4) and
+ * RPMB partition (1) in MMC v4.4.
+ */
+#define MMC_NUM_BOOT_PARTITION 2
+#define MMC_NUM_GP_PARTITION 4
+#define MMC_NUM_PHY_PARTITION 7
+#define MAX_MMC_PART_NAME_LEN 20
+
+/*
+ * MMC Physical partitions
+ */
+struct mmc_part {
+ unsigned int size; /* partition size (in bytes) */
+ unsigned int part_cfg; /* partition type */
+ char name[MAX_MMC_PART_NAME_LEN];
+ bool force_ro; /* to make boot parts RO by default */
+ unsigned int area_type;
+#define MMC_BLK_DATA_AREA_MAIN (1<<0)
+#define MMC_BLK_DATA_AREA_BOOT (1<<1)
+#define MMC_BLK_DATA_AREA_GP (1<<2)
+#define MMC_BLK_DATA_AREA_RPMB (1<<3)
+};
+
+/*
+ * MMC device
+ */
+struct mmc_card {
+ struct mmc_host *host; /* the host this device belongs to */
+ struct device dev; /* the device */
+ u32 ocr; /* the current OCR setting */
+ unsigned int rca; /* relative card address of device */
+ unsigned int type; /* card type */
+#define MMC_TYPE_MMC 0 /* MMC card */
+#define MMC_TYPE_SD 1 /* SD card */
+#define MMC_TYPE_SDIO 2 /* SDIO card */
+#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
+ unsigned int state; /* (our) card state */
+#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 */
+ unsigned int quirks; /* card quirks */
+#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
+#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
+ /* for byte mode */
+#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
+ /* (missing CIA registers) */
+#define MMC_QUIRK_BROKEN_CLK_GATING (1<<3) /* clock gating the sdio bus will make card fail */
+#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
+#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
+#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
+#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
+#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
+ /* byte mode */
+#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
+#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
+#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
+
+ unsigned int erase_size; /* erase size in sectors */
+ unsigned int erase_shift; /* if erase unit is power 2 */
+ unsigned int pref_erase; /* in sectors */
+ u8 erased_byte; /* value of erased bytes */
+
+ u32 raw_cid[4]; /* raw card CID */
+ u32 raw_csd[4]; /* raw card CSD */
+ u32 raw_scr[2]; /* raw card SCR */
+ struct mmc_cid cid; /* card identification */
+ struct mmc_csd csd; /* card specific */
+ struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
+ struct sd_scr scr; /* extra SD information */
+ struct sd_ssr ssr; /* yet more SD information */
+ struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
+
+ unsigned int sdio_funcs; /* number of SDIO functions */
+ struct sdio_cccr cccr; /* common card info */
+ struct sdio_cis cis; /* common tuple info */
+ struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
+ struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
+ unsigned num_info; /* number of info strings */
+ const char **info; /* info strings */
+ struct sdio_func_tuple *tuples; /* unknown common tuples */
+
+ unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
+ unsigned int mmc_avail_type; /* supported device type by both host and card */
+
+ struct dentry *debugfs_root;
+ struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
+ unsigned int nr_parts;
+};
+
+/*
+ * This function fill contents in mmc_part.
+ */
+static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
+ unsigned int part_cfg, char *name, int idx, bool ro,
+ int area_type)
+{
+ card->part[card->nr_parts].size = size;
+ card->part[card->nr_parts].part_cfg = part_cfg;
+ sprintf(card->part[card->nr_parts].name, name, idx);
+ card->part[card->nr_parts].force_ro = ro;
+ card->part[card->nr_parts].area_type = area_type;
+ card->nr_parts++;
+}
+
+static inline bool mmc_large_sector(struct mmc_card *card)
+{
+ return card->ext_csd.data_sector_size == 4096;
+}
+
+/*
+ * 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-specfic fields. You can use SDIO_ANY_ID here of course */
+ u16 cis_vendor, cis_device;
+
+ 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 END_FIXUP { NULL }
+
+#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
+ _cis_vendor, _cis_device, \
+ _fixup, _data) \
+ { \
+ .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), \
+ }
+
+#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
+ _fixup, _data) \
+ _FIXUP_EXT(_name, _manfid, \
+ _oemid, _rev_start, _rev_end, \
+ SDIO_ANY_ID, SDIO_ANY_ID, \
+ _fixup, _data) \
+
+#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
+ MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
+
+#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
+ _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
+ CID_OEMID_ANY, 0, -1ull, \
+ _vendor, _device, \
+ _fixup, _data) \
+
+#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;
+}
+
+#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
+#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
+#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
+
+#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)
+
+/*
+ * 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;
+}
+
+#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)
+
+/*
+ * MMC device driver (e.g., Flash card, I/O card...)
+ */
+struct mmc_driver {
+ struct device_driver drv;
+ int (*probe)(struct mmc_card *);
+ void (*remove)(struct mmc_card *);
+ void (*shutdown)(struct mmc_card *);
+};
+
+extern int mmc_register_driver(struct mmc_driver *);
+extern void mmc_unregister_driver(struct mmc_driver *);
+
+extern void mmc_fixup_device(struct mmc_card *card,
+ const struct mmc_fixup *table);
+
+#endif /* LINUX_MMC_CARD_H */
diff --git a/kernel/include/linux/mmc/core.h b/kernel/include/linux/mmc/core.h
new file mode 100644
index 000000000..de722d4e9
--- /dev/null
+++ b/kernel/include/linux/mmc/core.h
@@ -0,0 +1,215 @@
+/*
+ * linux/include/linux/mmc/core.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef LINUX_MMC_CORE_H
+#define LINUX_MMC_CORE_H
+
+#include <linux/interrupt.h>
+#include <linux/completion.h>
+
+struct request;
+struct mmc_data;
+struct mmc_request;
+
+struct mmc_command {
+ u32 opcode;
+ u32 arg;
+#define MMC_CMD23_ARG_REL_WR (1 << 31)
+#define MMC_CMD23_ARG_PACKED ((0 << 31) | (1 << 30))
+#define MMC_CMD23_ARG_TAG_REQ (1 << 29)
+ u32 resp[4];
+ unsigned int flags; /* expected response type */
+#define MMC_RSP_PRESENT (1 << 0)
+#define MMC_RSP_136 (1 << 1) /* 136 bit response */
+#define MMC_RSP_CRC (1 << 2) /* expect valid crc */
+#define MMC_RSP_BUSY (1 << 3) /* card may send busy */
+#define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */
+
+#define MMC_CMD_MASK (3 << 5) /* non-SPI command type */
+#define MMC_CMD_AC (0 << 5)
+#define MMC_CMD_ADTC (1 << 5)
+#define MMC_CMD_BC (2 << 5)
+#define MMC_CMD_BCR (3 << 5)
+
+#define MMC_RSP_SPI_S1 (1 << 7) /* one status byte */
+#define MMC_RSP_SPI_S2 (1 << 8) /* second byte */
+#define MMC_RSP_SPI_B4 (1 << 9) /* four data bytes */
+#define MMC_RSP_SPI_BUSY (1 << 10) /* card may send busy */
+
+/*
+ * These are the native response types, and correspond to valid bit
+ * patterns of the above flags. One additional valid pattern
+ * is all zeros, which means we don't expect a response.
+ */
+#define MMC_RSP_NONE (0)
+#define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R1B (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE|MMC_RSP_BUSY)
+#define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC)
+#define MMC_RSP_R3 (MMC_RSP_PRESENT)
+#define MMC_RSP_R4 (MMC_RSP_PRESENT)
+#define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+#define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE)
+
+#define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE))
+
+/*
+ * These are the SPI response types for MMC, SD, and SDIO cards.
+ * Commands return R1, with maybe more info. Zero is an error type;
+ * callers must always provide the appropriate MMC_RSP_SPI_Rx flags.
+ */
+#define MMC_RSP_SPI_R1 (MMC_RSP_SPI_S1)
+#define MMC_RSP_SPI_R1B (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY)
+#define MMC_RSP_SPI_R2 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R3 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R4 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+#define MMC_RSP_SPI_R5 (MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
+#define MMC_RSP_SPI_R7 (MMC_RSP_SPI_S1|MMC_RSP_SPI_B4)
+
+#define mmc_spi_resp_type(cmd) ((cmd)->flags & \
+ (MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY|MMC_RSP_SPI_S2|MMC_RSP_SPI_B4))
+
+/*
+ * These are the command types.
+ */
+#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK)
+
+ unsigned int retries; /* max number of retries */
+ int error; /* command error */
+
+/*
+ * Standard errno values are used for errors, but some have specific
+ * meaning in the MMC layer:
+ *
+ * ETIMEDOUT Card took too long to respond
+ * EILSEQ Basic format problem with the received or sent data
+ * (e.g. CRC check failed, incorrect opcode in response
+ * or bad end bit)
+ * EINVAL Request cannot be performed because of restrictions
+ * in hardware and/or the driver
+ * ENOMEDIUM Host can determine that the slot is empty and is
+ * actively failing requests
+ */
+
+ unsigned int busy_timeout; /* busy detect timeout in ms */
+ /* Set this flag only for blocking sanitize request */
+ bool sanitize_busy;
+
+ struct mmc_data *data; /* data segment associated with cmd */
+ struct mmc_request *mrq; /* associated request */
+};
+
+struct mmc_data {
+ unsigned int timeout_ns; /* data timeout (in ns, max 80ms) */
+ unsigned int timeout_clks; /* data timeout (in clocks) */
+ unsigned int blksz; /* data block size */
+ unsigned int blocks; /* number of blocks */
+ int error; /* data error */
+ unsigned int flags;
+
+#define MMC_DATA_WRITE (1 << 8)
+#define MMC_DATA_READ (1 << 9)
+#define MMC_DATA_STREAM (1 << 10)
+
+ unsigned int bytes_xfered;
+
+ struct mmc_command *stop; /* stop command */
+ struct mmc_request *mrq; /* associated request */
+
+ unsigned int sg_len; /* size of scatter list */
+ struct scatterlist *sg; /* I/O scatter list */
+ s32 host_cookie; /* host private data */
+};
+
+struct mmc_host;
+struct mmc_request {
+ struct mmc_command *sbc; /* SET_BLOCK_COUNT for multiblock */
+ struct mmc_command *cmd;
+ struct mmc_data *data;
+ struct mmc_command *stop;
+
+ struct completion completion;
+ void (*done)(struct mmc_request *);/* completion function */
+ struct mmc_host *host;
+};
+
+struct mmc_card;
+struct mmc_async_req;
+
+extern int mmc_stop_bkops(struct mmc_card *);
+extern int mmc_read_bkops_status(struct mmc_card *);
+extern struct mmc_async_req *mmc_start_req(struct mmc_host *,
+ struct mmc_async_req *, int *);
+extern int mmc_interrupt_hpi(struct mmc_card *);
+extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
+extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
+extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *);
+extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
+ struct mmc_command *, int);
+extern void mmc_start_bkops(struct mmc_card *card, bool from_exception);
+extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool,
+ bool, bool);
+extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
+extern int mmc_send_tuning(struct mmc_host *host);
+extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
+
+#define MMC_ERASE_ARG 0x00000000
+#define MMC_SECURE_ERASE_ARG 0x80000000
+#define MMC_TRIM_ARG 0x00000001
+#define MMC_DISCARD_ARG 0x00000003
+#define MMC_SECURE_TRIM1_ARG 0x80000001
+#define MMC_SECURE_TRIM2_ARG 0x80008000
+
+#define MMC_SECURE_ARGS 0x80000000
+#define MMC_TRIM_ARGS 0x00008001
+
+extern int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
+ unsigned int arg);
+extern int mmc_can_erase(struct mmc_card *card);
+extern int mmc_can_trim(struct mmc_card *card);
+extern int mmc_can_discard(struct mmc_card *card);
+extern int mmc_can_sanitize(struct mmc_card *card);
+extern int mmc_can_secure_erase_trim(struct mmc_card *card);
+extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
+ unsigned int nr);
+extern unsigned int mmc_calc_max_discard(struct mmc_card *card);
+
+extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
+extern int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount,
+ bool is_rel_write);
+extern int mmc_hw_reset(struct mmc_host *host);
+extern int mmc_can_reset(struct mmc_card *card);
+
+extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);
+extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
+
+extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
+extern void mmc_release_host(struct mmc_host *host);
+
+extern void mmc_get_card(struct mmc_card *card);
+extern void mmc_put_card(struct mmc_card *card);
+
+extern int mmc_flush_cache(struct mmc_card *);
+
+extern int mmc_detect_card_removed(struct mmc_host *host);
+
+/**
+ * mmc_claim_host - exclusively claim a host
+ * @host: mmc host to claim
+ *
+ * Claim a host for a set of operations.
+ */
+static inline void mmc_claim_host(struct mmc_host *host)
+{
+ __mmc_claim_host(host, NULL);
+}
+
+struct device_node;
+extern u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
+extern int mmc_of_parse_voltage(struct device_node *np, u32 *mask);
+
+#endif /* LINUX_MMC_CORE_H */
diff --git a/kernel/include/linux/mmc/dw_mmc.h b/kernel/include/linux/mmc/dw_mmc.h
new file mode 100644
index 000000000..12111993a
--- /dev/null
+++ b/kernel/include/linux/mmc/dw_mmc.h
@@ -0,0 +1,271 @@
+/*
+ * Synopsys DesignWare Multimedia Card Interface driver
+ * (Based on NXP driver for lpc 31xx)
+ *
+ * Copyright (C) 2009 NXP Semiconductors
+ * Copyright (C) 2009, 2010 Imagination Technologies Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef LINUX_MMC_DW_MMC_H
+#define LINUX_MMC_DW_MMC_H
+
+#include <linux/scatterlist.h>
+#include <linux/mmc/core.h>
+
+#define MAX_MCI_SLOTS 2
+
+enum dw_mci_state {
+ STATE_IDLE = 0,
+ STATE_SENDING_CMD,
+ STATE_SENDING_DATA,
+ STATE_DATA_BUSY,
+ STATE_SENDING_STOP,
+ STATE_DATA_ERROR,
+ STATE_SENDING_CMD11,
+ STATE_WAITING_CMD11_DONE,
+};
+
+enum {
+ EVENT_CMD_COMPLETE = 0,
+ EVENT_XFER_COMPLETE,
+ EVENT_DATA_COMPLETE,
+ EVENT_DATA_ERROR,
+ EVENT_XFER_ERROR
+};
+
+struct mmc_data;
+
+/**
+ * struct dw_mci - MMC controller state shared between all slots
+ * @lock: Spinlock protecting the queue and associated data.
+ * @regs: Pointer to MMIO registers.
+ * @fifo_reg: Pointer to MMIO registers for data FIFO
+ * @sg: Scatterlist entry currently being processed by PIO code, if any.
+ * @sg_miter: PIO mapping scatterlist iterator.
+ * @cur_slot: The slot which is currently using the controller.
+ * @mrq: The request currently being processed on @cur_slot,
+ * or NULL if the controller is idle.
+ * @cmd: The command currently being sent to the card, or NULL.
+ * @data: The data currently being transferred, or NULL if no data
+ * transfer is in progress.
+ * @use_dma: Whether DMA channel is initialized or not.
+ * @using_dma: Whether DMA is in use for the current transfer.
+ * @dma_64bit_address: Whether DMA supports 64-bit address mode or not.
+ * @sg_dma: Bus address of DMA buffer.
+ * @sg_cpu: Virtual address of DMA buffer.
+ * @dma_ops: Pointer to platform-specific DMA callbacks.
+ * @cmd_status: Snapshot of SR taken upon completion of the current
+ * command. Only valid when EVENT_CMD_COMPLETE is pending.
+ * @data_status: Snapshot of SR taken upon completion of the current
+ * data transfer. Only valid when EVENT_DATA_COMPLETE or
+ * EVENT_DATA_ERROR is pending.
+ * @stop_cmdr: Value to be loaded into CMDR when the stop command is
+ * to be sent.
+ * @dir_status: Direction of current transfer.
+ * @tasklet: Tasklet running the request state machine.
+ * @card_tasklet: Tasklet handling card detect.
+ * @pending_events: Bitmask of events flagged by the interrupt handler
+ * to be processed by the tasklet.
+ * @completed_events: Bitmask of events which the state machine has
+ * processed.
+ * @state: Tasklet state.
+ * @queue: List of slots waiting for access to the controller.
+ * @bus_hz: The rate of @mck in Hz. This forms the basis for MMC bus
+ * rate and timeout calculations.
+ * @current_speed: Configured rate of the controller.
+ * @num_slots: Number of slots available.
+ * @verid: Denote Version ID.
+ * @dev: Device associated with the MMC controller.
+ * @pdata: Platform data associated with the MMC controller.
+ * @drv_data: Driver specific data for identified variant of the controller
+ * @priv: Implementation defined private data.
+ * @biu_clk: Pointer to bus interface unit clock instance.
+ * @ciu_clk: Pointer to card interface unit clock instance.
+ * @slot: Slots sharing this MMC controller.
+ * @fifo_depth: depth of FIFO.
+ * @data_shift: log2 of FIFO item size.
+ * @part_buf_start: Start index in part_buf.
+ * @part_buf_count: Bytes of partial data in part_buf.
+ * @part_buf: Simple buffer for partial fifo reads/writes.
+ * @push_data: Pointer to FIFO push function.
+ * @pull_data: Pointer to FIFO pull function.
+ * @quirks: Set of quirks that apply to specific versions of the IP.
+ * @irq_flags: The flags to be passed to request_irq.
+ * @irq: The irq value to be passed to request_irq.
+ * @sdio_id0: Number of slot0 in the SDIO interrupt registers.
+ *
+ * Locking
+ * =======
+ *
+ * @lock is a softirq-safe spinlock protecting @queue as well as
+ * @cur_slot, @mrq and @state. These must always be updated
+ * at the same time while holding @lock.
+ *
+ * @irq_lock is an irq-safe spinlock protecting the INTMASK register
+ * to allow the interrupt handler to modify it directly. Held for only long
+ * enough to read-modify-write INTMASK and no other locks are grabbed when
+ * holding this one.
+ *
+ * The @mrq field of struct dw_mci_slot is also protected by @lock,
+ * and must always be written at the same time as the slot is added to
+ * @queue.
+ *
+ * @pending_events and @completed_events are accessed using atomic bit
+ * operations, so they don't need any locking.
+ *
+ * None of the fields touched by the interrupt handler need any
+ * locking. However, ordering is important: Before EVENT_DATA_ERROR or
+ * EVENT_DATA_COMPLETE is set in @pending_events, all data-related
+ * interrupts must be disabled and @data_status updated with a
+ * snapshot of SR. Similarly, before EVENT_CMD_COMPLETE is set, the
+ * CMDRDY interrupt must be disabled and @cmd_status updated with a
+ * snapshot of SR, and before EVENT_XFER_COMPLETE can be set, the
+ * bytes_xfered field of @data must be written. This is ensured by
+ * using barriers.
+ */
+struct dw_mci {
+ spinlock_t lock;
+ spinlock_t irq_lock;
+ void __iomem *regs;
+ void __iomem *fifo_reg;
+
+ struct scatterlist *sg;
+ struct sg_mapping_iter sg_miter;
+
+ struct dw_mci_slot *cur_slot;
+ struct mmc_request *mrq;
+ struct mmc_command *cmd;
+ struct mmc_data *data;
+ struct mmc_command stop_abort;
+ unsigned int prev_blksz;
+ unsigned char timing;
+
+ /* DMA interface members*/
+ int use_dma;
+ int using_dma;
+ int dma_64bit_address;
+
+ dma_addr_t sg_dma;
+ void *sg_cpu;
+ const struct dw_mci_dma_ops *dma_ops;
+#ifdef CONFIG_MMC_DW_IDMAC
+ unsigned int ring_size;
+#else
+ struct dw_mci_dma_data *dma_data;
+#endif
+ u32 cmd_status;
+ u32 data_status;
+ u32 stop_cmdr;
+ u32 dir_status;
+ struct tasklet_struct tasklet;
+ unsigned long pending_events;
+ unsigned long completed_events;
+ enum dw_mci_state state;
+ struct list_head queue;
+
+ u32 bus_hz;
+ u32 current_speed;
+ u32 num_slots;
+ u32 fifoth_val;
+ u16 verid;
+ struct device *dev;
+ struct dw_mci_board *pdata;
+ const struct dw_mci_drv_data *drv_data;
+ void *priv;
+ struct clk *biu_clk;
+ struct clk *ciu_clk;
+ struct dw_mci_slot *slot[MAX_MCI_SLOTS];
+
+ /* FIFO push and pull */
+ int fifo_depth;
+ int data_shift;
+ u8 part_buf_start;
+ u8 part_buf_count;
+ union {
+ u16 part_buf16;
+ u32 part_buf32;
+ u64 part_buf;
+ };
+ void (*push_data)(struct dw_mci *host, void *buf, int cnt);
+ void (*pull_data)(struct dw_mci *host, void *buf, int cnt);
+
+ /* Workaround flags */
+ u32 quirks;
+
+ bool vqmmc_enabled;
+ unsigned long irq_flags; /* IRQ flags */
+ int irq;
+
+ int sdio_id0;
+
+ struct timer_list cmd11_timer;
+};
+
+/* DMA ops for Internal/External DMAC interface */
+struct dw_mci_dma_ops {
+ /* DMA Ops */
+ int (*init)(struct dw_mci *host);
+ void (*start)(struct dw_mci *host, unsigned int sg_len);
+ void (*complete)(struct dw_mci *host);
+ void (*stop)(struct dw_mci *host);
+ void (*cleanup)(struct dw_mci *host);
+ void (*exit)(struct dw_mci *host);
+};
+
+/* IP Quirks/flags. */
+/* DTO fix for command transmission with IDMAC configured */
+#define DW_MCI_QUIRK_IDMAC_DTO BIT(0)
+/* delay needed between retries on some 2.11a implementations */
+#define DW_MCI_QUIRK_RETRY_DELAY BIT(1)
+/* High Speed Capable - Supports HS cards (up to 50MHz) */
+#define DW_MCI_QUIRK_HIGHSPEED BIT(2)
+/* Unreliable card detection */
+#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3)
+/* No write protect */
+#define DW_MCI_QUIRK_NO_WRITE_PROTECT BIT(4)
+
+/* Slot level quirks */
+/* This slot has no write protect */
+#define DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT BIT(0)
+
+struct dma_pdata;
+
+struct block_settings {
+ unsigned short max_segs; /* see blk_queue_max_segments */
+ unsigned int max_blk_size; /* maximum size of one mmc block */
+ unsigned int max_blk_count; /* maximum number of blocks in one req*/
+ unsigned int max_req_size; /* maximum number of bytes in one req*/
+ unsigned int max_seg_size; /* see blk_queue_max_segment_size */
+};
+
+/* Board platform data */
+struct dw_mci_board {
+ u32 num_slots;
+
+ u32 quirks; /* Workaround / Quirk flags */
+ unsigned int bus_hz; /* Clock speed at the cclk_in pad */
+
+ u32 caps; /* Capabilities */
+ u32 caps2; /* More capabilities */
+ u32 pm_caps; /* PM capabilities */
+ /*
+ * Override fifo depth. If 0, autodetect it from the FIFOTH register,
+ * but note that this may not be reliable after a bootloader has used
+ * it.
+ */
+ unsigned int fifo_depth;
+
+ /* delay in mS before detecting cards after interrupt */
+ u32 detect_delay_ms;
+
+ struct dw_mci_dma_ops *dma_ops;
+ struct dma_pdata *data;
+ struct block_settings *blk_settings;
+};
+
+#endif /* LINUX_MMC_DW_MMC_H */
diff --git a/kernel/include/linux/mmc/host.h b/kernel/include/linux/mmc/host.h
new file mode 100644
index 000000000..b5bedaec6
--- /dev/null
+++ b/kernel/include/linux/mmc/host.h
@@ -0,0 +1,516 @@
+/*
+ * linux/include/linux/mmc/host.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Host driver specific definitions.
+ */
+#ifndef LINUX_MMC_HOST_H
+#define LINUX_MMC_HOST_H
+
+#include <linux/leds.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+#include <linux/device.h>
+#include <linux/fault-inject.h>
+
+#include <linux/mmc/core.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/pm.h>
+
+struct mmc_ios {
+ unsigned int clock; /* clock rate */
+ unsigned short vdd;
+
+/* vdd stores the bit number of the selected voltage range from below. */
+
+ unsigned char bus_mode; /* command output mode */
+
+#define MMC_BUSMODE_OPENDRAIN 1
+#define MMC_BUSMODE_PUSHPULL 2
+
+ unsigned char chip_select; /* SPI chip select */
+
+#define MMC_CS_DONTCARE 0
+#define MMC_CS_HIGH 1
+#define MMC_CS_LOW 2
+
+ unsigned char power_mode; /* power supply mode */
+
+#define MMC_POWER_OFF 0
+#define MMC_POWER_UP 1
+#define MMC_POWER_ON 2
+#define MMC_POWER_UNDEFINED 3
+
+ unsigned char bus_width; /* data bus width */
+
+#define MMC_BUS_WIDTH_1 0
+#define MMC_BUS_WIDTH_4 2
+#define MMC_BUS_WIDTH_8 3
+
+ unsigned char timing; /* timing specification used */
+
+#define MMC_TIMING_LEGACY 0
+#define MMC_TIMING_MMC_HS 1
+#define MMC_TIMING_SD_HS 2
+#define MMC_TIMING_UHS_SDR12 3
+#define MMC_TIMING_UHS_SDR25 4
+#define MMC_TIMING_UHS_SDR50 5
+#define MMC_TIMING_UHS_SDR104 6
+#define MMC_TIMING_UHS_DDR50 7
+#define MMC_TIMING_MMC_DDR52 8
+#define MMC_TIMING_MMC_HS200 9
+#define MMC_TIMING_MMC_HS400 10
+
+ unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */
+
+#define MMC_SIGNAL_VOLTAGE_330 0
+#define MMC_SIGNAL_VOLTAGE_180 1
+#define MMC_SIGNAL_VOLTAGE_120 2
+
+ unsigned char drv_type; /* driver type (A, B, C, D) */
+
+#define MMC_SET_DRIVER_TYPE_B 0
+#define MMC_SET_DRIVER_TYPE_A 1
+#define MMC_SET_DRIVER_TYPE_C 2
+#define MMC_SET_DRIVER_TYPE_D 3
+};
+
+struct mmc_host_ops {
+ /*
+ * It is optional for the host to implement pre_req and post_req in
+ * order to support double buffering of requests (prepare one
+ * request while another request is active).
+ * pre_req() must always be followed by a post_req().
+ * To undo a call made to pre_req(), call post_req() with
+ * a nonzero err condition.
+ */
+ void (*post_req)(struct mmc_host *host, struct mmc_request *req,
+ int err);
+ void (*pre_req)(struct mmc_host *host, struct mmc_request *req,
+ bool is_first_req);
+ void (*request)(struct mmc_host *host, struct mmc_request *req);
+ /*
+ * Avoid calling these three functions too often or in a "fast path",
+ * since underlaying controller might implement them in an expensive
+ * and/or slow way.
+ *
+ * Also note that these functions might sleep, so don't call them
+ * in the atomic contexts!
+ *
+ * Return values for the get_ro callback should be:
+ * 0 for a read/write card
+ * 1 for a read-only card
+ * -ENOSYS when not supported (equal to NULL callback)
+ * or a negative errno value when something bad happened
+ *
+ * Return values for the get_cd callback should be:
+ * 0 for a absent card
+ * 1 for a present card
+ * -ENOSYS when not supported (equal to NULL callback)
+ * or a negative errno value when something bad happened
+ */
+ void (*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
+ int (*get_ro)(struct mmc_host *host);
+ int (*get_cd)(struct mmc_host *host);
+
+ void (*enable_sdio_irq)(struct mmc_host *host, int enable);
+
+ /* optional callback for HC quirks */
+ void (*init_card)(struct mmc_host *host, struct mmc_card *card);
+
+ int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);
+
+ /* Check if the card is pulling dat[0:3] low */
+ int (*card_busy)(struct mmc_host *host);
+
+ /* The tuning command opcode value is different for SD and eMMC cards */
+ int (*execute_tuning)(struct mmc_host *host, u32 opcode);
+
+ /* Prepare HS400 target operating frequency depending host driver */
+ int (*prepare_hs400_tuning)(struct mmc_host *host, struct mmc_ios *ios);
+ int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
+ void (*hw_reset)(struct mmc_host *host);
+ void (*card_event)(struct mmc_host *host);
+
+ /*
+ * Optional callback to support controllers with HW issues for multiple
+ * I/O. Returns the number of supported blocks for the request.
+ */
+ int (*multi_io_quirk)(struct mmc_card *card,
+ unsigned int direction, int blk_size);
+};
+
+struct mmc_card;
+struct device;
+
+struct mmc_async_req {
+ /* active mmc request */
+ struct mmc_request *mrq;
+ /*
+ * Check error status of completed mmc request.
+ * Returns 0 if success otherwise non zero.
+ */
+ int (*err_check) (struct mmc_card *, struct mmc_async_req *);
+};
+
+/**
+ * struct mmc_slot - MMC slot functions
+ *
+ * @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL
+ * @handler_priv: MMC/SD-card slot context
+ *
+ * Some MMC/SD host controllers implement slot-functions like card and
+ * write-protect detection natively. However, a large number of controllers
+ * leave these functions to the CPU. This struct provides a hook to attach
+ * such slot-function drivers.
+ */
+struct mmc_slot {
+ int cd_irq;
+ void *handler_priv;
+};
+
+/**
+ * mmc_context_info - synchronization details for mmc context
+ * @is_done_rcv wake up reason was done request
+ * @is_new_req wake up reason was new request
+ * @is_waiting_last_req mmc context waiting for single running request
+ * @wait wait queue
+ * @lock lock to protect data fields
+ */
+struct mmc_context_info {
+ bool is_done_rcv;
+ bool is_new_req;
+ bool is_waiting_last_req;
+ wait_queue_head_t wait;
+ spinlock_t lock;
+};
+
+struct regulator;
+struct mmc_pwrseq;
+
+struct mmc_supply {
+ struct regulator *vmmc; /* Card power supply */
+ struct regulator *vqmmc; /* Optional Vccq supply */
+};
+
+struct mmc_host {
+ struct device *parent;
+ struct device class_dev;
+ int index;
+ const struct mmc_host_ops *ops;
+ struct mmc_pwrseq *pwrseq;
+ unsigned int f_min;
+ unsigned int f_max;
+ unsigned int f_init;
+ u32 ocr_avail;
+ u32 ocr_avail_sdio; /* SDIO-specific OCR */
+ u32 ocr_avail_sd; /* SD-specific OCR */
+ u32 ocr_avail_mmc; /* MMC-specific OCR */
+ struct notifier_block pm_notify;
+ u32 max_current_330;
+ u32 max_current_300;
+ u32 max_current_180;
+
+#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
+#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
+#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
+#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
+#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
+#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
+#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
+#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
+#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
+#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
+#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
+#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
+#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
+#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
+#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
+#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
+#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
+
+ u32 caps; /* Host capabilities */
+
+#define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */
+#define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */
+#define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */
+#define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */
+#define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */
+#define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */
+#define MMC_CAP_8_BIT_DATA (1 << 6) /* Can the host do 8 bit transfers */
+#define MMC_CAP_AGGRESSIVE_PM (1 << 7) /* Suspend (e)MMC/SD at idle */
+#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */
+#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */
+#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */
+#define MMC_CAP_1_8V_DDR (1 << 11) /* can support */
+ /* DDR mode at 1.8V */
+#define MMC_CAP_1_2V_DDR (1 << 12) /* can support */
+ /* DDR mode at 1.2V */
+#define MMC_CAP_POWER_OFF_CARD (1 << 13) /* Can power off after boot */
+#define MMC_CAP_BUS_WIDTH_TEST (1 << 14) /* CMD14/CMD19 bus width ok */
+#define MMC_CAP_UHS_SDR12 (1 << 15) /* Host supports UHS SDR12 mode */
+#define MMC_CAP_UHS_SDR25 (1 << 16) /* Host supports UHS SDR25 mode */
+#define MMC_CAP_UHS_SDR50 (1 << 17) /* Host supports UHS SDR50 mode */
+#define MMC_CAP_UHS_SDR104 (1 << 18) /* Host supports UHS SDR104 mode */
+#define MMC_CAP_UHS_DDR50 (1 << 19) /* Host supports UHS DDR50 mode */
+#define MMC_CAP_RUNTIME_RESUME (1 << 20) /* Resume at runtime_resume. */
+#define MMC_CAP_DRIVER_TYPE_A (1 << 23) /* Host supports Driver Type A */
+#define MMC_CAP_DRIVER_TYPE_C (1 << 24) /* Host supports Driver Type C */
+#define MMC_CAP_DRIVER_TYPE_D (1 << 25) /* Host supports Driver Type D */
+#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */
+#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */
+
+ u32 caps2; /* More host capabilities */
+
+#define MMC_CAP2_BOOTPART_NOACC (1 << 0) /* Boot partition no access */
+#define MMC_CAP2_FULL_PWR_CYCLE (1 << 2) /* Can do full power cycle */
+#define MMC_CAP2_HS200_1_8V_SDR (1 << 5) /* can support */
+#define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */
+#define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \
+ MMC_CAP2_HS200_1_2V_SDR)
+#define MMC_CAP2_HC_ERASE_SZ (1 << 9) /* High-capacity erase size */
+#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */
+#define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */
+#define MMC_CAP2_PACKED_RD (1 << 12) /* Allow packed read */
+#define MMC_CAP2_PACKED_WR (1 << 13) /* Allow packed write */
+#define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \
+ MMC_CAP2_PACKED_WR)
+#define MMC_CAP2_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */
+#define MMC_CAP2_HS400_1_8V (1 << 15) /* Can support HS400 1.8V */
+#define MMC_CAP2_HS400_1_2V (1 << 16) /* Can support HS400 1.2V */
+#define MMC_CAP2_HS400 (MMC_CAP2_HS400_1_8V | \
+ MMC_CAP2_HS400_1_2V)
+#define MMC_CAP2_HSX00_1_2V (MMC_CAP2_HS200_1_2V_SDR | MMC_CAP2_HS400_1_2V)
+#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
+
+ mmc_pm_flag_t pm_caps; /* supported pm features */
+
+#ifdef CONFIG_MMC_CLKGATE
+ int clk_requests; /* internal reference counter */
+ unsigned int clk_delay; /* number of MCI clk hold cycles */
+ bool clk_gated; /* clock gated */
+ struct delayed_work clk_gate_work; /* delayed clock gate */
+ unsigned int clk_old; /* old clock value cache */
+ spinlock_t clk_lock; /* lock for clk fields */
+ struct mutex clk_gate_mutex; /* mutex for clock gating */
+ struct device_attribute clkgate_delay_attr;
+ unsigned long clkgate_delay;
+#endif
+
+ /* host specific block data */
+ unsigned int max_seg_size; /* see blk_queue_max_segment_size */
+ unsigned short max_segs; /* see blk_queue_max_segments */
+ unsigned short unused;
+ unsigned int max_req_size; /* maximum number of bytes in one req */
+ unsigned int max_blk_size; /* maximum size of one mmc block */
+ unsigned int max_blk_count; /* maximum number of blocks in one req */
+ unsigned int max_busy_timeout; /* max busy timeout in ms */
+
+ /* private data */
+ spinlock_t lock; /* lock for claim and bus ops */
+
+ struct mmc_ios ios; /* current io bus settings */
+
+ /* group bitfields together to minimize padding */
+ unsigned int use_spi_crc:1;
+ unsigned int claimed:1; /* host exclusively claimed */
+ unsigned int bus_dead:1; /* bus has been released */
+#ifdef CONFIG_MMC_DEBUG
+ unsigned int removed:1; /* host is being removed */
+#endif
+
+ int rescan_disable; /* disable card detection */
+ int rescan_entered; /* used with nonremovable devices */
+
+ bool trigger_card_event; /* card_event necessary */
+
+ struct mmc_card *card; /* device attached to this host */
+
+ wait_queue_head_t wq;
+ struct task_struct *claimer; /* task that has host claimed */
+ int claim_cnt; /* "claim" nesting count */
+
+ struct delayed_work detect;
+ int detect_change; /* card detect flag */
+ struct mmc_slot slot;
+
+ const struct mmc_bus_ops *bus_ops; /* current bus driver */
+ unsigned int bus_refs; /* reference counter */
+
+ unsigned int sdio_irqs;
+ struct task_struct *sdio_irq_thread;
+ bool sdio_irq_pending;
+ atomic_t sdio_irq_thread_abort;
+
+ mmc_pm_flag_t pm_flags; /* requested pm features */
+
+ struct led_trigger *led; /* activity led */
+
+#ifdef CONFIG_REGULATOR
+ bool regulator_enabled; /* regulator state */
+#endif
+ struct mmc_supply supply;
+
+ struct dentry *debugfs_root;
+
+ struct mmc_async_req *areq; /* active async req */
+ struct mmc_context_info context_info; /* async synchronization info */
+
+#ifdef CONFIG_FAIL_MMC_REQUEST
+ struct fault_attr fail_mmc_request;
+#endif
+
+ unsigned int actual_clock; /* Actual HC clock rate */
+
+ unsigned int slotno; /* used for sdio acpi binding */
+
+ int dsr_req; /* DSR value is valid */
+ u32 dsr; /* optional driver stage (DSR) value */
+
+ unsigned long private[0] ____cacheline_aligned;
+};
+
+struct mmc_host *mmc_alloc_host(int extra, struct device *);
+int mmc_add_host(struct mmc_host *);
+void mmc_remove_host(struct mmc_host *);
+void mmc_free_host(struct mmc_host *);
+int mmc_of_parse(struct mmc_host *host);
+
+static inline void *mmc_priv(struct mmc_host *host)
+{
+ return (void *)host->private;
+}
+
+#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI)
+
+#define mmc_dev(x) ((x)->parent)
+#define mmc_classdev(x) (&(x)->class_dev)
+#define mmc_hostname(x) (dev_name(&(x)->class_dev))
+
+int mmc_power_save_host(struct mmc_host *host);
+int mmc_power_restore_host(struct mmc_host *host);
+
+void mmc_detect_change(struct mmc_host *, unsigned long delay);
+void mmc_request_done(struct mmc_host *, struct mmc_request *);
+
+static inline void mmc_signal_sdio_irq(struct mmc_host *host)
+{
+ host->ops->enable_sdio_irq(host, 0);
+ host->sdio_irq_pending = true;
+ wake_up_process(host->sdio_irq_thread);
+}
+
+void sdio_run_irqs(struct mmc_host *host);
+
+#ifdef CONFIG_REGULATOR
+int mmc_regulator_get_ocrmask(struct regulator *supply);
+int mmc_regulator_set_ocr(struct mmc_host *mmc,
+ struct regulator *supply,
+ unsigned short vdd_bit);
+#else
+static inline int mmc_regulator_get_ocrmask(struct regulator *supply)
+{
+ return 0;
+}
+
+static inline int mmc_regulator_set_ocr(struct mmc_host *mmc,
+ struct regulator *supply,
+ unsigned short vdd_bit)
+{
+ return 0;
+}
+#endif
+
+int mmc_regulator_get_supply(struct mmc_host *mmc);
+
+int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *);
+
+static inline int mmc_card_is_removable(struct mmc_host *host)
+{
+ return !(host->caps & MMC_CAP_NONREMOVABLE);
+}
+
+static inline int mmc_card_keep_power(struct mmc_host *host)
+{
+ return host->pm_flags & MMC_PM_KEEP_POWER;
+}
+
+static inline int mmc_card_wake_sdio_irq(struct mmc_host *host)
+{
+ return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ;
+}
+
+static inline int mmc_host_cmd23(struct mmc_host *host)
+{
+ return host->caps & MMC_CAP_CMD23;
+}
+
+static inline int mmc_boot_partition_access(struct mmc_host *host)
+{
+ return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
+}
+
+static inline int mmc_host_uhs(struct mmc_host *host)
+{
+ return host->caps &
+ (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
+ MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
+ MMC_CAP_UHS_DDR50);
+}
+
+static inline int mmc_host_packed_wr(struct mmc_host *host)
+{
+ return host->caps2 & MMC_CAP2_PACKED_WR;
+}
+
+#ifdef CONFIG_MMC_CLKGATE
+void mmc_host_clk_hold(struct mmc_host *host);
+void mmc_host_clk_release(struct mmc_host *host);
+unsigned int mmc_host_clk_rate(struct mmc_host *host);
+
+#else
+static inline void mmc_host_clk_hold(struct mmc_host *host)
+{
+}
+
+static inline void mmc_host_clk_release(struct mmc_host *host)
+{
+}
+
+static inline unsigned int mmc_host_clk_rate(struct mmc_host *host)
+{
+ return host->ios.clock;
+}
+#endif
+
+static inline int mmc_card_hs(struct mmc_card *card)
+{
+ return card->host->ios.timing == MMC_TIMING_SD_HS ||
+ card->host->ios.timing == MMC_TIMING_MMC_HS;
+}
+
+static inline int mmc_card_uhs(struct mmc_card *card)
+{
+ return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 &&
+ card->host->ios.timing <= MMC_TIMING_UHS_DDR50;
+}
+
+static inline bool mmc_card_hs200(struct mmc_card *card)
+{
+ return card->host->ios.timing == MMC_TIMING_MMC_HS200;
+}
+
+static inline bool mmc_card_ddr52(struct mmc_card *card)
+{
+ return card->host->ios.timing == MMC_TIMING_MMC_DDR52;
+}
+
+static inline bool mmc_card_hs400(struct mmc_card *card)
+{
+ return card->host->ios.timing == MMC_TIMING_MMC_HS400;
+}
+
+#endif /* LINUX_MMC_HOST_H */
diff --git a/kernel/include/linux/mmc/mmc.h b/kernel/include/linux/mmc/mmc.h
new file mode 100644
index 000000000..124f56211
--- /dev/null
+++ b/kernel/include/linux/mmc/mmc.h
@@ -0,0 +1,444 @@
+/*
+ * Header for MultiMediaCard (MMC)
+ *
+ * Copyright 2002 Hewlett-Packard Company
+ *
+ * Use consistent with the GNU GPL is permitted,
+ * provided that this copyright notice is
+ * preserved in its entirety in all copies and derived works.
+ *
+ * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
+ * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
+ * FITNESS FOR ANY PARTICULAR PURPOSE.
+ *
+ * Many thanks to Alessandro Rubini and Jonathan Corbet!
+ *
+ * Based strongly on code by:
+ *
+ * Author: Yong-iL Joh <tolkien@mizi.com>
+ *
+ * Author: Andrew Christian
+ * 15 May 2002
+ */
+
+#ifndef LINUX_MMC_MMC_H
+#define LINUX_MMC_MMC_H
+
+/* Standard MMC commands (4.1) type argument response */
+ /* class 1 */
+#define MMC_GO_IDLE_STATE 0 /* bc */
+#define MMC_SEND_OP_COND 1 /* bcr [31:0] OCR R3 */
+#define MMC_ALL_SEND_CID 2 /* bcr R2 */
+#define MMC_SET_RELATIVE_ADDR 3 /* ac [31:16] RCA R1 */
+#define MMC_SET_DSR 4 /* bc [31:16] RCA */
+#define MMC_SLEEP_AWAKE 5 /* ac [31:16] RCA 15:flg R1b */
+#define MMC_SWITCH 6 /* ac [31:0] See below R1b */
+#define MMC_SELECT_CARD 7 /* ac [31:16] RCA R1 */
+#define MMC_SEND_EXT_CSD 8 /* adtc R1 */
+#define MMC_SEND_CSD 9 /* ac [31:16] RCA R2 */
+#define MMC_SEND_CID 10 /* ac [31:16] RCA R2 */
+#define MMC_READ_DAT_UNTIL_STOP 11 /* adtc [31:0] dadr R1 */
+#define MMC_STOP_TRANSMISSION 12 /* ac R1b */
+#define MMC_SEND_STATUS 13 /* ac [31:16] RCA R1 */
+#define MMC_BUS_TEST_R 14 /* adtc R1 */
+#define MMC_GO_INACTIVE_STATE 15 /* ac [31:16] RCA */
+#define MMC_BUS_TEST_W 19 /* adtc R1 */
+#define MMC_SPI_READ_OCR 58 /* spi spi_R3 */
+#define MMC_SPI_CRC_ON_OFF 59 /* spi [0:0] flag spi_R1 */
+
+ /* class 2 */
+#define MMC_SET_BLOCKLEN 16 /* ac [31:0] block len R1 */
+#define MMC_READ_SINGLE_BLOCK 17 /* adtc [31:0] data addr R1 */
+#define MMC_READ_MULTIPLE_BLOCK 18 /* adtc [31:0] data addr R1 */
+#define MMC_SEND_TUNING_BLOCK 19 /* adtc R1 */
+#define MMC_SEND_TUNING_BLOCK_HS200 21 /* adtc R1 */
+
+ /* class 3 */
+#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
+
+ /* class 4 */
+#define MMC_SET_BLOCK_COUNT 23 /* adtc [31:0] data addr R1 */
+#define MMC_WRITE_BLOCK 24 /* adtc [31:0] data addr R1 */
+#define MMC_WRITE_MULTIPLE_BLOCK 25 /* adtc R1 */
+#define MMC_PROGRAM_CID 26 /* adtc R1 */
+#define MMC_PROGRAM_CSD 27 /* adtc R1 */
+
+ /* class 6 */
+#define MMC_SET_WRITE_PROT 28 /* ac [31:0] data addr R1b */
+#define MMC_CLR_WRITE_PROT 29 /* ac [31:0] data addr R1b */
+#define MMC_SEND_WRITE_PROT 30 /* adtc [31:0] wpdata addr R1 */
+
+ /* class 5 */
+#define MMC_ERASE_GROUP_START 35 /* ac [31:0] data addr R1 */
+#define MMC_ERASE_GROUP_END 36 /* ac [31:0] data addr R1 */
+#define MMC_ERASE 38 /* ac R1b */
+
+ /* class 9 */
+#define MMC_FAST_IO 39 /* ac <Complex> R4 */
+#define MMC_GO_IRQ_STATE 40 /* bcr R5 */
+
+ /* class 7 */
+#define MMC_LOCK_UNLOCK 42 /* adtc R1b */
+
+ /* class 8 */
+#define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */
+#define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */
+
+static inline bool mmc_op_multi(u32 opcode)
+{
+ return opcode == MMC_WRITE_MULTIPLE_BLOCK ||
+ opcode == MMC_READ_MULTIPLE_BLOCK;
+}
+
+/*
+ * MMC_SWITCH argument format:
+ *
+ * [31:26] Always 0
+ * [25:24] Access Mode
+ * [23:16] Location of target Byte in EXT_CSD
+ * [15:08] Value Byte
+ * [07:03] Always 0
+ * [02:00] Command Set
+ */
+
+/*
+ MMC status in R1, for native mode (SPI bits are different)
+ Type
+ e : error bit
+ s : status bit
+ r : detected and set for the actual command response
+ x : detected and set during command execution. the host must poll
+ the card by sending status command in order to read these bits.
+ Clear condition
+ a : according to the card state
+ b : always related to the previous command. Reception of
+ a valid command will clear it (with a delay of one command)
+ c : clear by read
+ */
+
+#define R1_OUT_OF_RANGE (1 << 31) /* er, c */
+#define R1_ADDRESS_ERROR (1 << 30) /* erx, c */
+#define R1_BLOCK_LEN_ERROR (1 << 29) /* er, c */
+#define R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
+#define R1_ERASE_PARAM (1 << 27) /* ex, c */
+#define R1_WP_VIOLATION (1 << 26) /* erx, c */
+#define R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
+#define R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
+#define R1_COM_CRC_ERROR (1 << 23) /* er, b */
+#define R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
+#define R1_CARD_ECC_FAILED (1 << 21) /* ex, c */
+#define R1_CC_ERROR (1 << 20) /* erx, c */
+#define R1_ERROR (1 << 19) /* erx, c */
+#define R1_UNDERRUN (1 << 18) /* ex, c */
+#define R1_OVERRUN (1 << 17) /* ex, c */
+#define R1_CID_CSD_OVERWRITE (1 << 16) /* erx, c, CID/CSD overwrite */
+#define R1_WP_ERASE_SKIP (1 << 15) /* sx, c */
+#define R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
+#define R1_ERASE_RESET (1 << 13) /* sr, c */
+#define R1_STATUS(x) (x & 0xFFFFE000)
+#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
+#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
+#define R1_SWITCH_ERROR (1 << 7) /* sx, c */
+#define R1_EXCEPTION_EVENT (1 << 6) /* sr, a */
+#define R1_APP_CMD (1 << 5) /* sr, c */
+
+#define R1_STATE_IDLE 0
+#define R1_STATE_READY 1
+#define R1_STATE_IDENT 2
+#define R1_STATE_STBY 3
+#define R1_STATE_TRAN 4
+#define R1_STATE_DATA 5
+#define R1_STATE_RCV 6
+#define R1_STATE_PRG 7
+#define R1_STATE_DIS 8
+
+/*
+ * MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS
+ * R1 is the low order byte; R2 is the next highest byte, when present.
+ */
+#define R1_SPI_IDLE (1 << 0)
+#define R1_SPI_ERASE_RESET (1 << 1)
+#define R1_SPI_ILLEGAL_COMMAND (1 << 2)
+#define R1_SPI_COM_CRC (1 << 3)
+#define R1_SPI_ERASE_SEQ (1 << 4)
+#define R1_SPI_ADDRESS (1 << 5)
+#define R1_SPI_PARAMETER (1 << 6)
+/* R1 bit 7 is always zero */
+#define R2_SPI_CARD_LOCKED (1 << 8)
+#define R2_SPI_WP_ERASE_SKIP (1 << 9) /* or lock/unlock fail */
+#define R2_SPI_LOCK_UNLOCK_FAIL R2_SPI_WP_ERASE_SKIP
+#define R2_SPI_ERROR (1 << 10)
+#define R2_SPI_CC_ERROR (1 << 11)
+#define R2_SPI_CARD_ECC_ERROR (1 << 12)
+#define R2_SPI_WP_VIOLATION (1 << 13)
+#define R2_SPI_ERASE_PARAM (1 << 14)
+#define R2_SPI_OUT_OF_RANGE (1 << 15) /* or CSD overwrite */
+#define R2_SPI_CSD_OVERWRITE R2_SPI_OUT_OF_RANGE
+
+/* These are unpacked versions of the actual responses */
+
+struct _mmc_csd {
+ u8 csd_structure;
+ u8 spec_vers;
+ u8 taac;
+ u8 nsac;
+ u8 tran_speed;
+ u16 ccc;
+ u8 read_bl_len;
+ u8 read_bl_partial;
+ u8 write_blk_misalign;
+ u8 read_blk_misalign;
+ u8 dsr_imp;
+ u16 c_size;
+ u8 vdd_r_curr_min;
+ u8 vdd_r_curr_max;
+ u8 vdd_w_curr_min;
+ u8 vdd_w_curr_max;
+ u8 c_size_mult;
+ union {
+ struct { /* MMC system specification version 3.1 */
+ u8 erase_grp_size;
+ u8 erase_grp_mult;
+ } v31;
+ struct { /* MMC system specification version 2.2 */
+ u8 sector_size;
+ u8 erase_grp_size;
+ } v22;
+ } erase;
+ u8 wp_grp_size;
+ u8 wp_grp_enable;
+ u8 default_ecc;
+ u8 r2w_factor;
+ u8 write_bl_len;
+ u8 write_bl_partial;
+ u8 file_format_grp;
+ u8 copy;
+ u8 perm_write_protect;
+ u8 tmp_write_protect;
+ u8 file_format;
+ u8 ecc;
+};
+
+/*
+ * OCR bits are mostly in host.h
+ */
+#define MMC_CARD_BUSY 0x80000000 /* Card Power up status bit */
+
+/*
+ * Card Command Classes (CCC)
+ */
+#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */
+ /* (CMD0,1,2,3,4,7,9,10,12,13,15) */
+ /* (and for SPI, CMD58,59) */
+#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */
+ /* (CMD11) */
+#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */
+ /* (CMD16,17,18) */
+#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */
+ /* (CMD20) */
+#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */
+ /* (CMD16,24,25,26,27) */
+#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */
+ /* (CMD32,33,34,35,36,37,38,39) */
+#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */
+ /* (CMD28,29,30) */
+#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */
+ /* (CMD16,CMD42) */
+#define CCC_APP_SPEC (1<<8) /* (8) Application specific */
+ /* (CMD55,56,57,ACMD*) */
+#define CCC_IO_MODE (1<<9) /* (9) I/O mode */
+ /* (CMD5,39,40,52,53) */
+#define CCC_SWITCH (1<<10) /* (10) High speed switch */
+ /* (CMD6,34,35,36,37,50) */
+ /* (11) Reserved */
+ /* (CMD?) */
+
+/*
+ * CSD field definitions
+ */
+
+#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
+#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
+#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1 */
+#define CSD_STRUCT_EXT_CSD 3 /* Version is coded in CSD_STRUCTURE in EXT_CSD */
+
+#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
+#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
+#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
+#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 - 3.2 - 3.31 */
+#define CSD_SPEC_VER_4 4 /* Implements system specification 4.0 - 4.1 */
+
+/*
+ * EXT_CSD fields
+ */
+
+#define EXT_CSD_FLUSH_CACHE 32 /* W */
+#define EXT_CSD_CACHE_CTRL 33 /* R/W */
+#define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
+#define EXT_CSD_PACKED_FAILURE_INDEX 35 /* RO */
+#define EXT_CSD_PACKED_CMD_STATUS 36 /* RO */
+#define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO, 2 bytes */
+#define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */
+#define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
+#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
+#define EXT_CSD_PARTITION_SETTING_COMPLETED 155 /* R/W */
+#define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
+#define EXT_CSD_PARTITION_SUPPORT 160 /* RO */
+#define EXT_CSD_HPI_MGMT 161 /* R/W */
+#define EXT_CSD_RST_N_FUNCTION 162 /* R/W */
+#define EXT_CSD_BKOPS_EN 163 /* R/W */
+#define EXT_CSD_BKOPS_START 164 /* W */
+#define EXT_CSD_SANITIZE_START 165 /* W */
+#define EXT_CSD_WR_REL_PARAM 166 /* RO */
+#define EXT_CSD_RPMB_MULT 168 /* RO */
+#define EXT_CSD_FW_CONFIG 169 /* R/W */
+#define EXT_CSD_BOOT_WP 173 /* R/W */
+#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
+#define EXT_CSD_PART_CONFIG 179 /* R/W */
+#define EXT_CSD_ERASED_MEM_CONT 181 /* RO */
+#define EXT_CSD_BUS_WIDTH 183 /* R/W */
+#define EXT_CSD_HS_TIMING 185 /* R/W */
+#define EXT_CSD_POWER_CLASS 187 /* R/W */
+#define EXT_CSD_REV 192 /* RO */
+#define EXT_CSD_STRUCTURE 194 /* RO */
+#define EXT_CSD_CARD_TYPE 196 /* RO */
+#define EXT_CSD_OUT_OF_INTERRUPT_TIME 198 /* RO */
+#define EXT_CSD_PART_SWITCH_TIME 199 /* RO */
+#define EXT_CSD_PWR_CL_52_195 200 /* RO */
+#define EXT_CSD_PWR_CL_26_195 201 /* RO */
+#define EXT_CSD_PWR_CL_52_360 202 /* RO */
+#define EXT_CSD_PWR_CL_26_360 203 /* RO */
+#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
+#define EXT_CSD_S_A_TIMEOUT 217 /* RO */
+#define EXT_CSD_REL_WR_SEC_C 222 /* RO */
+#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
+#define EXT_CSD_ERASE_TIMEOUT_MULT 223 /* RO */
+#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
+#define EXT_CSD_BOOT_MULT 226 /* RO */
+#define EXT_CSD_SEC_TRIM_MULT 229 /* RO */
+#define EXT_CSD_SEC_ERASE_MULT 230 /* RO */
+#define EXT_CSD_SEC_FEATURE_SUPPORT 231 /* RO */
+#define EXT_CSD_TRIM_MULT 232 /* RO */
+#define EXT_CSD_PWR_CL_200_195 236 /* RO */
+#define EXT_CSD_PWR_CL_200_360 237 /* RO */
+#define EXT_CSD_PWR_CL_DDR_52_195 238 /* RO */
+#define EXT_CSD_PWR_CL_DDR_52_360 239 /* RO */
+#define EXT_CSD_BKOPS_STATUS 246 /* RO */
+#define EXT_CSD_POWER_OFF_LONG_TIME 247 /* RO */
+#define EXT_CSD_GENERIC_CMD6_TIME 248 /* RO */
+#define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */
+#define EXT_CSD_PWR_CL_DDR_200_360 253 /* RO */
+#define EXT_CSD_FIRMWARE_VERSION 254 /* RO, 8 bytes */
+#define EXT_CSD_SUPPORTED_MODE 493 /* RO */
+#define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */
+#define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */
+#define EXT_CSD_MAX_PACKED_WRITES 500 /* RO */
+#define EXT_CSD_MAX_PACKED_READS 501 /* RO */
+#define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
+#define EXT_CSD_HPI_FEATURES 503 /* RO */
+
+/*
+ * EXT_CSD field definitions
+ */
+
+#define EXT_CSD_WR_REL_PARAM_EN (1<<2)
+
+#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
+#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
+#define EXT_CSD_BOOT_WP_B_PERM_WP_EN (0x04)
+#define EXT_CSD_BOOT_WP_B_PWR_WP_EN (0x01)
+
+#define EXT_CSD_PART_CONFIG_ACC_MASK (0x7)
+#define EXT_CSD_PART_CONFIG_ACC_BOOT0 (0x1)
+#define EXT_CSD_PART_CONFIG_ACC_RPMB (0x3)
+#define EXT_CSD_PART_CONFIG_ACC_GP0 (0x4)
+
+#define EXT_CSD_PART_SETTING_COMPLETED (0x1)
+#define EXT_CSD_PART_SUPPORT_PART_EN (0x1)
+
+#define EXT_CSD_CMD_SET_NORMAL (1<<0)
+#define EXT_CSD_CMD_SET_SECURE (1<<1)
+#define EXT_CSD_CMD_SET_CPSECURE (1<<2)
+
+#define EXT_CSD_CARD_TYPE_HS_26 (1<<0) /* Card can run at 26MHz */
+#define EXT_CSD_CARD_TYPE_HS_52 (1<<1) /* Card can run at 52MHz */
+#define EXT_CSD_CARD_TYPE_HS (EXT_CSD_CARD_TYPE_HS_26 | \
+ EXT_CSD_CARD_TYPE_HS_52)
+#define EXT_CSD_CARD_TYPE_DDR_1_8V (1<<2) /* Card can run at 52MHz */
+ /* DDR mode @1.8V or 3V I/O */
+#define EXT_CSD_CARD_TYPE_DDR_1_2V (1<<3) /* Card can run at 52MHz */
+ /* DDR mode @1.2V I/O */
+#define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \
+ | EXT_CSD_CARD_TYPE_DDR_1_2V)
+#define EXT_CSD_CARD_TYPE_HS200_1_8V (1<<4) /* Card can run at 200MHz */
+#define EXT_CSD_CARD_TYPE_HS200_1_2V (1<<5) /* Card can run at 200MHz */
+ /* SDR mode @1.2V I/O */
+#define EXT_CSD_CARD_TYPE_HS200 (EXT_CSD_CARD_TYPE_HS200_1_8V | \
+ EXT_CSD_CARD_TYPE_HS200_1_2V)
+#define EXT_CSD_CARD_TYPE_HS400_1_8V (1<<6) /* Card can run at 200MHz DDR, 1.8V */
+#define EXT_CSD_CARD_TYPE_HS400_1_2V (1<<7) /* Card can run at 200MHz DDR, 1.2V */
+#define EXT_CSD_CARD_TYPE_HS400 (EXT_CSD_CARD_TYPE_HS400_1_8V | \
+ EXT_CSD_CARD_TYPE_HS400_1_2V)
+
+#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
+#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
+#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
+#define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */
+#define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */
+
+#define EXT_CSD_TIMING_BC 0 /* Backwards compatility */
+#define EXT_CSD_TIMING_HS 1 /* High speed */
+#define EXT_CSD_TIMING_HS200 2 /* HS200 */
+#define EXT_CSD_TIMING_HS400 3 /* HS400 */
+
+#define EXT_CSD_SEC_ER_EN BIT(0)
+#define EXT_CSD_SEC_BD_BLK_EN BIT(2)
+#define EXT_CSD_SEC_GB_CL_EN BIT(4)
+#define EXT_CSD_SEC_SANITIZE BIT(6) /* v4.5 only */
+
+#define EXT_CSD_RST_N_EN_MASK 0x3
+#define EXT_CSD_RST_N_ENABLED 1 /* RST_n is enabled on card */
+
+#define EXT_CSD_NO_POWER_NOTIFICATION 0
+#define EXT_CSD_POWER_ON 1
+#define EXT_CSD_POWER_OFF_SHORT 2
+#define EXT_CSD_POWER_OFF_LONG 3
+
+#define EXT_CSD_PWR_CL_8BIT_MASK 0xF0 /* 8 bit PWR CLS */
+#define EXT_CSD_PWR_CL_4BIT_MASK 0x0F /* 8 bit PWR CLS */
+#define EXT_CSD_PWR_CL_8BIT_SHIFT 4
+#define EXT_CSD_PWR_CL_4BIT_SHIFT 0
+
+#define EXT_CSD_PACKED_EVENT_EN BIT(3)
+
+/*
+ * EXCEPTION_EVENT_STATUS field
+ */
+#define EXT_CSD_URGENT_BKOPS BIT(0)
+#define EXT_CSD_DYNCAP_NEEDED BIT(1)
+#define EXT_CSD_SYSPOOL_EXHAUSTED BIT(2)
+#define EXT_CSD_PACKED_FAILURE BIT(3)
+
+#define EXT_CSD_PACKED_GENERIC_ERROR BIT(0)
+#define EXT_CSD_PACKED_INDEXED_ERROR BIT(1)
+
+/*
+ * BKOPS status level
+ */
+#define EXT_CSD_BKOPS_LEVEL_2 0x2
+
+/*
+ * BKOPS modes
+ */
+#define EXT_CSD_MANUAL_BKOPS_MASK 0x01
+
+/*
+ * MMC_SWITCH access modes
+ */
+
+#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */
+#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits which are 1 in value */
+#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits which are 1 in value */
+#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target to value */
+
+#endif /* LINUX_MMC_MMC_H */
diff --git a/kernel/include/linux/mmc/pm.h b/kernel/include/linux/mmc/pm.h
new file mode 100644
index 000000000..4a139204c
--- /dev/null
+++ b/kernel/include/linux/mmc/pm.h
@@ -0,0 +1,30 @@
+/*
+ * linux/include/linux/mmc/pm.h
+ *
+ * Author: Nicolas Pitre
+ * Copyright: (C) 2009 Marvell Technology Group Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef LINUX_MMC_PM_H
+#define LINUX_MMC_PM_H
+
+/*
+ * These flags are used to describe power management features that
+ * some cards (typically SDIO cards) might wish to benefit from when
+ * the host system is being suspended. There are several layers of
+ * abstractions involved, from the host controller driver, to the MMC core
+ * code, to the SDIO core code, to finally get to the actual SDIO function
+ * driver. This file is therefore used for common definitions shared across
+ * all those layers.
+ */
+
+typedef unsigned int mmc_pm_flag_t;
+
+#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
+#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
+
+#endif /* LINUX_MMC_PM_H */
diff --git a/kernel/include/linux/mmc/sd.h b/kernel/include/linux/mmc/sd.h
new file mode 100644
index 000000000..1ebcf9ba1
--- /dev/null
+++ b/kernel/include/linux/mmc/sd.h
@@ -0,0 +1,94 @@
+/*
+ * include/linux/mmc/sd.h
+ *
+ * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef LINUX_MMC_SD_H
+#define LINUX_MMC_SD_H
+
+/* SD commands type argument response */
+ /* class 0 */
+/* This is basically the same command as for MMC with some quirks. */
+#define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
+#define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
+#define SD_SWITCH_VOLTAGE 11 /* ac R1 */
+
+ /* class 10 */
+#define SD_SWITCH 6 /* adtc [31:0] See below R1 */
+
+ /* class 5 */
+#define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
+#define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
+
+ /* Application commands */
+#define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
+#define SD_APP_SD_STATUS 13 /* adtc R1 */
+#define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
+#define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
+#define SD_APP_SEND_SCR 51 /* adtc R1 */
+
+/* OCR bit definitions */
+#define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
+#define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
+#define SD_OCR_XPC (1 << 28) /* SDXC power control */
+#define SD_OCR_CCS (1 << 30) /* Card Capacity Status */
+
+/*
+ * SD_SWITCH argument format:
+ *
+ * [31] Check (0) or switch (1)
+ * [30:24] Reserved (0)
+ * [23:20] Function group 6
+ * [19:16] Function group 5
+ * [15:12] Function group 4
+ * [11:8] Function group 3
+ * [7:4] Function group 2
+ * [3:0] Function group 1
+ */
+
+/*
+ * SD_SEND_IF_COND argument format:
+ *
+ * [31:12] Reserved (0)
+ * [11:8] Host Voltage Supply Flags
+ * [7:0] Check Pattern (0xAA)
+ */
+
+/*
+ * SCR field definitions
+ */
+
+#define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
+#define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
+#define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
+
+/*
+ * SD bus widths
+ */
+#define SD_BUS_WIDTH_1 0
+#define SD_BUS_WIDTH_4 2
+
+/*
+ * SD_SWITCH mode
+ */
+#define SD_SWITCH_CHECK 0
+#define SD_SWITCH_SET 1
+
+/*
+ * SD_SWITCH function groups
+ */
+#define SD_SWITCH_GRP_ACCESS 0
+
+/*
+ * SD_SWITCH access modes
+ */
+#define SD_SWITCH_ACCESS_DEF 0
+#define SD_SWITCH_ACCESS_HS 1
+
+#endif /* LINUX_MMC_SD_H */
diff --git a/kernel/include/linux/mmc/sdhci-pci-data.h b/kernel/include/linux/mmc/sdhci-pci-data.h
new file mode 100644
index 000000000..8959604a1
--- /dev/null
+++ b/kernel/include/linux/mmc/sdhci-pci-data.h
@@ -0,0 +1,18 @@
+#ifndef LINUX_MMC_SDHCI_PCI_DATA_H
+#define LINUX_MMC_SDHCI_PCI_DATA_H
+
+struct pci_dev;
+
+struct sdhci_pci_data {
+ struct pci_dev *pdev;
+ int slotno;
+ int rst_n_gpio; /* Set to -EINVAL if unused */
+ int cd_gpio; /* Set to -EINVAL if unused */
+ int (*setup)(struct sdhci_pci_data *data);
+ void (*cleanup)(struct sdhci_pci_data *data);
+};
+
+extern struct sdhci_pci_data *(*sdhci_pci_get_data)(struct pci_dev *pdev,
+ int slotno);
+
+#endif
diff --git a/kernel/include/linux/mmc/sdio.h b/kernel/include/linux/mmc/sdio.h
new file mode 100644
index 000000000..17446d3c3
--- /dev/null
+++ b/kernel/include/linux/mmc/sdio.h
@@ -0,0 +1,193 @@
+/*
+ * include/linux/mmc/sdio.h
+ *
+ * Copyright 2006-2007 Pierre Ossman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef LINUX_MMC_SDIO_H
+#define LINUX_MMC_SDIO_H
+
+/* SDIO commands type argument response */
+#define SD_IO_SEND_OP_COND 5 /* bcr [23:0] OCR R4 */
+#define SD_IO_RW_DIRECT 52 /* ac [31:0] See below R5 */
+#define SD_IO_RW_EXTENDED 53 /* adtc [31:0] See below R5 */
+
+/*
+ * SD_IO_RW_DIRECT argument format:
+ *
+ * [31] R/W flag
+ * [30:28] Function number
+ * [27] RAW flag
+ * [25:9] Register address
+ * [7:0] Data
+ */
+
+/*
+ * SD_IO_RW_EXTENDED argument format:
+ *
+ * [31] R/W flag
+ * [30:28] Function number
+ * [27] Block mode
+ * [26] Increment address
+ * [25:9] Register address
+ * [8:0] Byte/block count
+ */
+
+#define R4_18V_PRESENT (1<<24)
+#define R4_MEMORY_PRESENT (1 << 27)
+
+/*
+ SDIO status in R5
+ Type
+ e : error bit
+ s : status bit
+ r : detected and set for the actual command response
+ x : detected and set during command execution. the host must poll
+ the card by sending status command in order to read these bits.
+ Clear condition
+ a : according to the card state
+ b : always related to the previous command. Reception of
+ a valid command will clear it (with a delay of one command)
+ c : clear by read
+ */
+
+#define R5_COM_CRC_ERROR (1 << 15) /* er, b */
+#define R5_ILLEGAL_COMMAND (1 << 14) /* er, b */
+#define R5_ERROR (1 << 11) /* erx, c */
+#define R5_FUNCTION_NUMBER (1 << 9) /* er, c */
+#define R5_OUT_OF_RANGE (1 << 8) /* er, c */
+#define R5_STATUS(x) (x & 0xCB00)
+#define R5_IO_CURRENT_STATE(x) ((x & 0x3000) >> 12) /* s, b */
+
+/*
+ * Card Common Control Registers (CCCR)
+ */
+
+#define SDIO_CCCR_CCCR 0x00
+
+#define SDIO_CCCR_REV_1_00 0 /* CCCR/FBR Version 1.00 */
+#define SDIO_CCCR_REV_1_10 1 /* CCCR/FBR Version 1.10 */
+#define SDIO_CCCR_REV_1_20 2 /* CCCR/FBR Version 1.20 */
+#define SDIO_CCCR_REV_3_00 3 /* CCCR/FBR Version 3.00 */
+
+#define SDIO_SDIO_REV_1_00 0 /* SDIO Spec Version 1.00 */
+#define SDIO_SDIO_REV_1_10 1 /* SDIO Spec Version 1.10 */
+#define SDIO_SDIO_REV_1_20 2 /* SDIO Spec Version 1.20 */
+#define SDIO_SDIO_REV_2_00 3 /* SDIO Spec Version 2.00 */
+#define SDIO_SDIO_REV_3_00 4 /* SDIO Spec Version 3.00 */
+
+#define SDIO_CCCR_SD 0x01
+
+#define SDIO_SD_REV_1_01 0 /* SD Physical Spec Version 1.01 */
+#define SDIO_SD_REV_1_10 1 /* SD Physical Spec Version 1.10 */
+#define SDIO_SD_REV_2_00 2 /* SD Physical Spec Version 2.00 */
+#define SDIO_SD_REV_3_00 3 /* SD Physical Spev Version 3.00 */
+
+#define SDIO_CCCR_IOEx 0x02
+#define SDIO_CCCR_IORx 0x03
+
+#define SDIO_CCCR_IENx 0x04 /* Function/Master Interrupt Enable */
+#define SDIO_CCCR_INTx 0x05 /* Function Interrupt Pending */
+
+#define SDIO_CCCR_ABORT 0x06 /* function abort/card reset */
+
+#define SDIO_CCCR_IF 0x07 /* bus interface controls */
+
+#define SDIO_BUS_WIDTH_MASK 0x03 /* data bus width setting */
+#define SDIO_BUS_WIDTH_1BIT 0x00
+#define SDIO_BUS_WIDTH_RESERVED 0x01
+#define SDIO_BUS_WIDTH_4BIT 0x02
+#define SDIO_BUS_ECSI 0x20 /* Enable continuous SPI interrupt */
+#define SDIO_BUS_SCSI 0x40 /* Support continuous SPI interrupt */
+
+#define SDIO_BUS_ASYNC_INT 0x20
+
+#define SDIO_BUS_CD_DISABLE 0x80 /* disable pull-up on DAT3 (pin 1) */
+
+#define SDIO_CCCR_CAPS 0x08
+
+#define SDIO_CCCR_CAP_SDC 0x01 /* can do CMD52 while data transfer */
+#define SDIO_CCCR_CAP_SMB 0x02 /* can do multi-block xfers (CMD53) */
+#define SDIO_CCCR_CAP_SRW 0x04 /* supports read-wait protocol */
+#define SDIO_CCCR_CAP_SBS 0x08 /* supports suspend/resume */
+#define SDIO_CCCR_CAP_S4MI 0x10 /* interrupt during 4-bit CMD53 */
+#define SDIO_CCCR_CAP_E4MI 0x20 /* enable ints during 4-bit CMD53 */
+#define SDIO_CCCR_CAP_LSC 0x40 /* low speed card */
+#define SDIO_CCCR_CAP_4BLS 0x80 /* 4 bit low speed card */
+
+#define SDIO_CCCR_CIS 0x09 /* common CIS pointer (3 bytes) */
+
+/* Following 4 regs are valid only if SBS is set */
+#define SDIO_CCCR_SUSPEND 0x0c
+#define SDIO_CCCR_SELx 0x0d
+#define SDIO_CCCR_EXECx 0x0e
+#define SDIO_CCCR_READYx 0x0f
+
+#define SDIO_CCCR_BLKSIZE 0x10
+
+#define SDIO_CCCR_POWER 0x12
+
+#define SDIO_POWER_SMPC 0x01 /* Supports Master Power Control */
+#define SDIO_POWER_EMPC 0x02 /* Enable Master Power Control */
+
+#define SDIO_CCCR_SPEED 0x13
+
+#define SDIO_SPEED_SHS 0x01 /* Supports High-Speed mode */
+#define SDIO_SPEED_BSS_SHIFT 1
+#define SDIO_SPEED_BSS_MASK (7<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_SDR12 (0<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_SDR25 (1<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_SDR50 (2<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_SDR104 (3<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_DDR50 (4<<SDIO_SPEED_BSS_SHIFT)
+#define SDIO_SPEED_EHS SDIO_SPEED_SDR25 /* Enable High-Speed */
+
+#define SDIO_CCCR_UHS 0x14
+#define SDIO_UHS_SDR50 0x01
+#define SDIO_UHS_SDR104 0x02
+#define SDIO_UHS_DDR50 0x04
+
+#define SDIO_CCCR_DRIVE_STRENGTH 0x15
+#define SDIO_SDTx_MASK 0x07
+#define SDIO_DRIVE_SDTA (1<<0)
+#define SDIO_DRIVE_SDTC (1<<1)
+#define SDIO_DRIVE_SDTD (1<<2)
+#define SDIO_DRIVE_DTSx_MASK 0x03
+#define SDIO_DRIVE_DTSx_SHIFT 4
+#define SDIO_DTSx_SET_TYPE_B (0 << SDIO_DRIVE_DTSx_SHIFT)
+#define SDIO_DTSx_SET_TYPE_A (1 << SDIO_DRIVE_DTSx_SHIFT)
+#define SDIO_DTSx_SET_TYPE_C (2 << SDIO_DRIVE_DTSx_SHIFT)
+#define SDIO_DTSx_SET_TYPE_D (3 << SDIO_DRIVE_DTSx_SHIFT)
+/*
+ * Function Basic Registers (FBR)
+ */
+
+#define SDIO_FBR_BASE(f) ((f) * 0x100) /* base of function f's FBRs */
+
+#define SDIO_FBR_STD_IF 0x00
+
+#define SDIO_FBR_SUPPORTS_CSA 0x40 /* supports Code Storage Area */
+#define SDIO_FBR_ENABLE_CSA 0x80 /* enable Code Storage Area */
+
+#define SDIO_FBR_STD_IF_EXT 0x01
+
+#define SDIO_FBR_POWER 0x02
+
+#define SDIO_FBR_POWER_SPS 0x01 /* Supports Power Selection */
+#define SDIO_FBR_POWER_EPS 0x02 /* Enable (low) Power Selection */
+
+#define SDIO_FBR_CIS 0x09 /* CIS pointer (3 bytes) */
+
+
+#define SDIO_FBR_CSA 0x0C /* CSA pointer (3 bytes) */
+
+#define SDIO_FBR_CSA_DATA 0x0F
+
+#define SDIO_FBR_BLKSIZE 0x10 /* block size (2 bytes) */
+
+#endif /* LINUX_MMC_SDIO_H */
diff --git a/kernel/include/linux/mmc/sdio_func.h b/kernel/include/linux/mmc/sdio_func.h
new file mode 100644
index 000000000..aab032a6a
--- /dev/null
+++ b/kernel/include/linux/mmc/sdio_func.h
@@ -0,0 +1,162 @@
+/*
+ * include/linux/mmc/sdio_func.h
+ *
+ * Copyright 2007-2008 Pierre Ossman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef LINUX_MMC_SDIO_FUNC_H
+#define LINUX_MMC_SDIO_FUNC_H
+
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+
+#include <linux/mmc/pm.h>
+
+struct mmc_card;
+struct sdio_func;
+
+typedef void (sdio_irq_handler_t)(struct sdio_func *);
+
+/*
+ * SDIO function CIS tuple (unknown to the core)
+ */
+struct sdio_func_tuple {
+ struct sdio_func_tuple *next;
+ unsigned char code;
+ unsigned char size;
+ unsigned char data[0];
+};
+
+/*
+ * SDIO function devices
+ */
+struct sdio_func {
+ struct mmc_card *card; /* the card this device belongs to */
+ struct device dev; /* the device */
+ sdio_irq_handler_t *irq_handler; /* IRQ callback */
+ unsigned int num; /* function number */
+
+ unsigned char class; /* standard interface class */
+ unsigned short vendor; /* vendor id */
+ unsigned short device; /* device id */
+
+ unsigned max_blksize; /* maximum block size */
+ unsigned cur_blksize; /* current block size */
+
+ unsigned enable_timeout; /* max enable timeout in msec */
+
+ unsigned int state; /* function state */
+#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */
+
+ u8 tmpbuf[4]; /* DMA:able scratch buffer */
+
+ unsigned num_info; /* number of info strings */
+ const char **info; /* info strings */
+
+ struct sdio_func_tuple *tuples;
+};
+
+#define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT)
+
+#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT)
+
+#define sdio_func_id(f) (dev_name(&(f)->dev))
+
+#define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev)
+#define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d)
+#define dev_to_sdio_func(d) container_of(d, struct sdio_func, dev)
+
+/*
+ * SDIO function device driver
+ */
+struct sdio_driver {
+ char *name;
+ const struct sdio_device_id *id_table;
+
+ int (*probe)(struct sdio_func *, const struct sdio_device_id *);
+ void (*remove)(struct sdio_func *);
+
+ struct device_driver drv;
+};
+
+/**
+ * SDIO_DEVICE - macro used to describe a specific SDIO device
+ * @vend: the 16 bit manufacturer code
+ * @dev: the 16 bit function id
+ *
+ * This macro is used to create a struct sdio_device_id that matches a
+ * specific device. The class field will be set to SDIO_ANY_ID.
+ */
+#define SDIO_DEVICE(vend,dev) \
+ .class = SDIO_ANY_ID, \
+ .vendor = (vend), .device = (dev)
+
+/**
+ * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class
+ * @dev_class: the 8 bit standard interface code
+ *
+ * This macro is used to create a struct sdio_device_id that matches a
+ * specific standard SDIO function type. The vendor and device fields will
+ * be set to SDIO_ANY_ID.
+ */
+#define SDIO_DEVICE_CLASS(dev_class) \
+ .class = (dev_class), \
+ .vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID
+
+extern int sdio_register_driver(struct sdio_driver *);
+extern void sdio_unregister_driver(struct sdio_driver *);
+
+/*
+ * SDIO I/O operations
+ */
+extern void sdio_claim_host(struct sdio_func *func);
+extern void sdio_release_host(struct sdio_func *func);
+
+extern int sdio_enable_func(struct sdio_func *func);
+extern int sdio_disable_func(struct sdio_func *func);
+
+extern int sdio_set_block_size(struct sdio_func *func, unsigned blksz);
+
+extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
+extern int sdio_release_irq(struct sdio_func *func);
+
+extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);
+
+extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
+extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);
+
+extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst,
+ unsigned int addr, int count);
+extern int sdio_readsb(struct sdio_func *func, void *dst,
+ unsigned int addr, int count);
+
+extern void sdio_writeb(struct sdio_func *func, u8 b,
+ unsigned int addr, int *err_ret);
+extern void sdio_writew(struct sdio_func *func, u16 b,
+ unsigned int addr, int *err_ret);
+extern void sdio_writel(struct sdio_func *func, u32 b,
+ unsigned int addr, int *err_ret);
+
+extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
+ unsigned int addr, int *err_ret);
+
+extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
+ void *src, int count);
+extern int sdio_writesb(struct sdio_func *func, unsigned int addr,
+ void *src, int count);
+
+extern unsigned char sdio_f0_readb(struct sdio_func *func,
+ unsigned int addr, int *err_ret);
+extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
+ unsigned int addr, int *err_ret);
+
+extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
+extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
+
+#endif /* LINUX_MMC_SDIO_FUNC_H */
diff --git a/kernel/include/linux/mmc/sdio_ids.h b/kernel/include/linux/mmc/sdio_ids.h
new file mode 100644
index 000000000..83430f2ea
--- /dev/null
+++ b/kernel/include/linux/mmc/sdio_ids.h
@@ -0,0 +1,61 @@
+/*
+ * SDIO Classes, Interface Types, Manufacturer IDs, etc.
+ */
+
+#ifndef LINUX_MMC_SDIO_IDS_H
+#define LINUX_MMC_SDIO_IDS_H
+
+/*
+ * Standard SDIO Function Interfaces
+ */
+
+#define SDIO_CLASS_NONE 0x00 /* Not a SDIO standard interface */
+#define SDIO_CLASS_UART 0x01 /* standard UART interface */
+#define SDIO_CLASS_BT_A 0x02 /* Type-A BlueTooth std interface */
+#define SDIO_CLASS_BT_B 0x03 /* Type-B BlueTooth std interface */
+#define SDIO_CLASS_GPS 0x04 /* GPS standard interface */
+#define SDIO_CLASS_CAMERA 0x05 /* Camera standard interface */
+#define SDIO_CLASS_PHS 0x06 /* PHS standard interface */
+#define SDIO_CLASS_WLAN 0x07 /* WLAN interface */
+#define SDIO_CLASS_ATA 0x08 /* Embedded SDIO-ATA std interface */
+#define SDIO_CLASS_BT_AMP 0x09 /* Type-A Bluetooth AMP interface */
+
+/*
+ * Vendors and devices. Sort key: vendor first, device next.
+ */
+#define SDIO_VENDOR_ID_BROADCOM 0x02d0
+#define SDIO_DEVICE_ID_BROADCOM_43143 0xa887
+#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324
+#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
+#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330
+#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334
+#define SDIO_DEVICE_ID_BROADCOM_43340 0xa94c
+#define SDIO_DEVICE_ID_BROADCOM_43341 0xa94d
+#define SDIO_DEVICE_ID_BROADCOM_4335_4339 0x4335
+#define SDIO_DEVICE_ID_BROADCOM_43362 0xa962
+#define SDIO_DEVICE_ID_BROADCOM_43430 0xa9a6
+#define SDIO_DEVICE_ID_BROADCOM_4345 0x4345
+#define SDIO_DEVICE_ID_BROADCOM_4354 0x4354
+
+#define SDIO_VENDOR_ID_INTEL 0x0089
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIFI 0x1403
+#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP 0x1404
+#define SDIO_DEVICE_ID_INTEL_IWMC3200GPS 0x1405
+#define SDIO_DEVICE_ID_INTEL_IWMC3200BT 0x1406
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5 0x1407
+
+#define SDIO_VENDOR_ID_MARVELL 0x02df
+#define SDIO_DEVICE_ID_MARVELL_LIBERTAS 0x9103
+#define SDIO_DEVICE_ID_MARVELL_8688WLAN 0x9104
+#define SDIO_DEVICE_ID_MARVELL_8688BT 0x9105
+
+#define SDIO_VENDOR_ID_SIANO 0x039a
+#define SDIO_DEVICE_ID_SIANO_NOVA_B0 0x0201
+#define SDIO_DEVICE_ID_SIANO_NICE 0x0202
+#define SDIO_DEVICE_ID_SIANO_VEGA_A0 0x0300
+#define SDIO_DEVICE_ID_SIANO_VENICE 0x0301
+#define SDIO_DEVICE_ID_SIANO_NOVA_A0 0x1100
+#define SDIO_DEVICE_ID_SIANO_STELLAR 0x5347
+
+#endif /* LINUX_MMC_SDIO_IDS_H */
diff --git a/kernel/include/linux/mmc/sh_mmcif.h b/kernel/include/linux/mmc/sh_mmcif.h
new file mode 100644
index 000000000..ccd8fb2ca
--- /dev/null
+++ b/kernel/include/linux/mmc/sh_mmcif.h
@@ -0,0 +1,218 @@
+/*
+ * include/linux/mmc/sh_mmcif.h
+ *
+ * platform data for eMMC driver
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ *
+ */
+
+#ifndef LINUX_MMC_SH_MMCIF_H
+#define LINUX_MMC_SH_MMCIF_H
+
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+/*
+ * MMCIF : CE_CLK_CTRL [19:16]
+ * 1000 : Peripheral clock / 512
+ * 0111 : Peripheral clock / 256
+ * 0110 : Peripheral clock / 128
+ * 0101 : Peripheral clock / 64
+ * 0100 : Peripheral clock / 32
+ * 0011 : Peripheral clock / 16
+ * 0010 : Peripheral clock / 8
+ * 0001 : Peripheral clock / 4
+ * 0000 : Peripheral clock / 2
+ * 1111 : Peripheral clock (sup_pclk set '1')
+ */
+
+struct sh_mmcif_plat_data {
+ int (*get_cd)(struct platform_device *pdef);
+ unsigned int slave_id_tx; /* embedded slave_id_[tr]x */
+ unsigned int slave_id_rx;
+ bool use_cd_gpio : 1;
+ bool ccs_unsupported : 1;
+ bool clk_ctrl2_present : 1;
+ unsigned int cd_gpio;
+ u8 sup_pclk; /* 1 :SH7757, 0: SH7724/SH7372 */
+ unsigned long caps;
+ u32 ocr;
+};
+
+#define MMCIF_CE_CMD_SET 0x00000000
+#define MMCIF_CE_ARG 0x00000008
+#define MMCIF_CE_ARG_CMD12 0x0000000C
+#define MMCIF_CE_CMD_CTRL 0x00000010
+#define MMCIF_CE_BLOCK_SET 0x00000014
+#define MMCIF_CE_CLK_CTRL 0x00000018
+#define MMCIF_CE_BUF_ACC 0x0000001C
+#define MMCIF_CE_RESP3 0x00000020
+#define MMCIF_CE_RESP2 0x00000024
+#define MMCIF_CE_RESP1 0x00000028
+#define MMCIF_CE_RESP0 0x0000002C
+#define MMCIF_CE_RESP_CMD12 0x00000030
+#define MMCIF_CE_DATA 0x00000034
+#define MMCIF_CE_INT 0x00000040
+#define MMCIF_CE_INT_MASK 0x00000044
+#define MMCIF_CE_HOST_STS1 0x00000048
+#define MMCIF_CE_HOST_STS2 0x0000004C
+#define MMCIF_CE_CLK_CTRL2 0x00000070
+#define MMCIF_CE_VERSION 0x0000007C
+
+/* CE_BUF_ACC */
+#define BUF_ACC_DMAWEN (1 << 25)
+#define BUF_ACC_DMAREN (1 << 24)
+#define BUF_ACC_BUSW_32 (0 << 17)
+#define BUF_ACC_BUSW_16 (1 << 17)
+#define BUF_ACC_ATYP (1 << 16)
+
+/* CE_CLK_CTRL */
+#define CLK_ENABLE (1 << 24) /* 1: output mmc clock */
+#define CLK_CLEAR (0xf << 16)
+#define CLK_SUP_PCLK (0xf << 16)
+#define CLKDIV_4 (1 << 16) /* mmc clock frequency.
+ * n: bus clock/(2^(n+1)) */
+#define CLKDIV_256 (7 << 16) /* mmc clock frequency. (see above) */
+#define SRSPTO_256 (2 << 12) /* resp timeout */
+#define SRBSYTO_29 (0xf << 8) /* resp busy timeout */
+#define SRWDTO_29 (0xf << 4) /* read/write timeout */
+#define SCCSTO_29 (0xf << 0) /* ccs timeout */
+
+/* CE_VERSION */
+#define SOFT_RST_ON (1 << 31)
+#define SOFT_RST_OFF 0
+
+static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
+{
+ return __raw_readl(addr + reg);
+}
+
+static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
+{
+ __raw_writel(val, addr + reg);
+}
+
+#define SH_MMCIF_BBS 512 /* boot block size */
+
+static inline void sh_mmcif_boot_cmd_send(void __iomem *base,
+ unsigned long cmd, unsigned long arg)
+{
+ sh_mmcif_writel(base, MMCIF_CE_INT, 0);
+ sh_mmcif_writel(base, MMCIF_CE_ARG, arg);
+ sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd);
+}
+
+static inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
+{
+ unsigned long tmp;
+ int cnt;
+
+ for (cnt = 0; cnt < 1000000; cnt++) {
+ tmp = sh_mmcif_readl(base, MMCIF_CE_INT);
+ if (tmp & mask) {
+ sh_mmcif_writel(base, MMCIF_CE_INT, tmp & ~mask);
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+static inline int sh_mmcif_boot_cmd(void __iomem *base,
+ unsigned long cmd, unsigned long arg)
+{
+ sh_mmcif_boot_cmd_send(base, cmd, arg);
+ return sh_mmcif_boot_cmd_poll(base, 0x00010000);
+}
+
+static inline int sh_mmcif_boot_do_read_single(void __iomem *base,
+ unsigned int block_nr,
+ unsigned long *buf)
+{
+ int k;
+
+ /* CMD13 - Status */
+ sh_mmcif_boot_cmd(base, 0x0d400000, 0x00010000);
+
+ if (sh_mmcif_readl(base, MMCIF_CE_RESP0) != 0x0900)
+ return -1;
+
+ /* CMD17 - Read */
+ sh_mmcif_boot_cmd(base, 0x11480000, block_nr * SH_MMCIF_BBS);
+ if (sh_mmcif_boot_cmd_poll(base, 0x00100000) < 0)
+ return -1;
+
+ for (k = 0; k < (SH_MMCIF_BBS / 4); k++)
+ buf[k] = sh_mmcif_readl(base, MMCIF_CE_DATA);
+
+ return 0;
+}
+
+static inline int sh_mmcif_boot_do_read(void __iomem *base,
+ unsigned long first_block,
+ unsigned long nr_blocks,
+ void *buf)
+{
+ unsigned long k;
+ int ret = 0;
+
+ /* In data transfer mode: Set clock to Bus clock/4 (about 20Mhz) */
+ sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
+ CLK_ENABLE | CLKDIV_4 | SRSPTO_256 |
+ SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
+
+ /* CMD9 - Get CSD */
+ sh_mmcif_boot_cmd(base, 0x09806000, 0x00010000);
+
+ /* CMD7 - Select the card */
+ sh_mmcif_boot_cmd(base, 0x07400000, 0x00010000);
+
+ /* CMD16 - Set the block size */
+ sh_mmcif_boot_cmd(base, 0x10400000, SH_MMCIF_BBS);
+
+ for (k = 0; !ret && k < nr_blocks; k++)
+ ret = sh_mmcif_boot_do_read_single(base, first_block + k,
+ buf + (k * SH_MMCIF_BBS));
+
+ return ret;
+}
+
+static inline void sh_mmcif_boot_init(void __iomem *base)
+{
+ /* reset */
+ sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_ON);
+ sh_mmcif_writel(base, MMCIF_CE_VERSION, SOFT_RST_OFF);
+
+ /* byte swap */
+ sh_mmcif_writel(base, MMCIF_CE_BUF_ACC, BUF_ACC_ATYP);
+
+ /* Set block size in MMCIF hardware */
+ sh_mmcif_writel(base, MMCIF_CE_BLOCK_SET, SH_MMCIF_BBS);
+
+ /* Enable the clock, set it to Bus clock/256 (about 325Khz). */
+ sh_mmcif_writel(base, MMCIF_CE_CLK_CTRL,
+ CLK_ENABLE | CLKDIV_256 | SRSPTO_256 |
+ SRBSYTO_29 | SRWDTO_29 | SCCSTO_29);
+
+ /* CMD0 */
+ sh_mmcif_boot_cmd(base, 0x00000040, 0);
+
+ /* CMD1 - Get OCR */
+ do {
+ sh_mmcif_boot_cmd(base, 0x01405040, 0x40300000); /* CMD1 */
+ } while ((sh_mmcif_readl(base, MMCIF_CE_RESP0) & 0x80000000)
+ != 0x80000000);
+
+ /* CMD2 - Get CID */
+ sh_mmcif_boot_cmd(base, 0x02806040, 0);
+
+ /* CMD3 - Set card relative address */
+ sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000);
+}
+
+#endif /* LINUX_MMC_SH_MMCIF_H */
diff --git a/kernel/include/linux/mmc/sh_mobile_sdhi.h b/kernel/include/linux/mmc/sh_mobile_sdhi.h
new file mode 100644
index 000000000..95d6f0314
--- /dev/null
+++ b/kernel/include/linux/mmc/sh_mobile_sdhi.h
@@ -0,0 +1,10 @@
+#ifndef LINUX_MMC_SH_MOBILE_SDHI_H
+#define LINUX_MMC_SH_MOBILE_SDHI_H
+
+#include <linux/types.h>
+
+#define SH_MOBILE_SDHI_IRQ_CARD_DETECT "card_detect"
+#define SH_MOBILE_SDHI_IRQ_SDCARD "sdcard"
+#define SH_MOBILE_SDHI_IRQ_SDIO "sdio"
+
+#endif /* LINUX_MMC_SH_MOBILE_SDHI_H */
diff --git a/kernel/include/linux/mmc/slot-gpio.h b/kernel/include/linux/mmc/slot-gpio.h
new file mode 100644
index 000000000..3945a8c9d
--- /dev/null
+++ b/kernel/include/linux/mmc/slot-gpio.h
@@ -0,0 +1,33 @@
+/*
+ * Generic GPIO card-detect helper header
+ *
+ * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef MMC_SLOT_GPIO_H
+#define MMC_SLOT_GPIO_H
+
+struct mmc_host;
+
+int mmc_gpio_get_ro(struct mmc_host *host);
+int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
+
+int mmc_gpio_get_cd(struct mmc_host *host);
+int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
+ unsigned int debounce);
+
+int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
+ unsigned int idx, bool override_active_level,
+ unsigned int debounce, bool *gpio_invert);
+int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
+ unsigned int idx, bool override_active_level,
+ unsigned int debounce, bool *gpio_invert);
+void mmc_gpio_set_cd_isr(struct mmc_host *host,
+ irqreturn_t (*isr)(int irq, void *dev_id));
+void mmc_gpiod_request_cd_irq(struct mmc_host *host);
+
+#endif
diff --git a/kernel/include/linux/mmc/tmio.h b/kernel/include/linux/mmc/tmio.h
new file mode 100644
index 000000000..84d9053b5
--- /dev/null
+++ b/kernel/include/linux/mmc/tmio.h
@@ -0,0 +1,66 @@
+/*
+ * include/linux/mmc/tmio.h
+ *
+ * Copyright (C) 2007 Ian Molton
+ * Copyright (C) 2004 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Driver for the MMC / SD / SDIO cell found in:
+ *
+ * TC6393XB TC6391XB TC6387XB T7L66XB ASIC3
+ */
+#ifndef LINUX_MMC_TMIO_H
+#define LINUX_MMC_TMIO_H
+
+#define CTL_SD_CMD 0x00
+#define CTL_ARG_REG 0x04
+#define CTL_STOP_INTERNAL_ACTION 0x08
+#define CTL_XFER_BLK_COUNT 0xa
+#define CTL_RESPONSE 0x0c
+#define CTL_STATUS 0x1c
+#define CTL_STATUS2 0x1e
+#define CTL_IRQ_MASK 0x20
+#define CTL_SD_CARD_CLK_CTL 0x24
+#define CTL_SD_XFER_LEN 0x26
+#define CTL_SD_MEM_CARD_OPT 0x28
+#define CTL_SD_ERROR_DETAIL_STATUS 0x2c
+#define CTL_SD_DATA_PORT 0x30
+#define CTL_TRANSACTION_CTL 0x34
+#define CTL_SDIO_STATUS 0x36
+#define CTL_SDIO_IRQ_MASK 0x38
+#define CTL_DMA_ENABLE 0xd8
+#define CTL_RESET_SD 0xe0
+#define CTL_VERSION 0xe2
+#define CTL_SDIO_REGS 0x100
+#define CTL_CLK_AND_WAIT_CTL 0x138
+#define CTL_RESET_SDIO 0x1e0
+
+/* Definitions for values the CTRL_STATUS register can take. */
+#define TMIO_STAT_CMDRESPEND 0x00000001
+#define TMIO_STAT_DATAEND 0x00000004
+#define TMIO_STAT_CARD_REMOVE 0x00000008
+#define TMIO_STAT_CARD_INSERT 0x00000010
+#define TMIO_STAT_SIGSTATE 0x00000020
+#define TMIO_STAT_WRPROTECT 0x00000080
+#define TMIO_STAT_CARD_REMOVE_A 0x00000100
+#define TMIO_STAT_CARD_INSERT_A 0x00000200
+#define TMIO_STAT_SIGSTATE_A 0x00000400
+#define TMIO_STAT_CMD_IDX_ERR 0x00010000
+#define TMIO_STAT_CRCFAIL 0x00020000
+#define TMIO_STAT_STOPBIT_ERR 0x00040000
+#define TMIO_STAT_DATATIMEOUT 0x00080000
+#define TMIO_STAT_RXOVERFLOW 0x00100000
+#define TMIO_STAT_TXUNDERRUN 0x00200000
+#define TMIO_STAT_CMDTIMEOUT 0x00400000
+#define TMIO_STAT_RXRDY 0x01000000
+#define TMIO_STAT_TXRQ 0x02000000
+#define TMIO_STAT_ILL_FUNC 0x20000000
+#define TMIO_STAT_CMD_BUSY 0x40000000
+#define TMIO_STAT_ILL_ACCESS 0x80000000
+
+#define TMIO_BBS 512 /* Boot block size */
+
+#endif /* LINUX_MMC_TMIO_H */