9 files changed, 340 insertions, 4 deletions

diff --git a/include/linux/mmc/Kbuild b/include/linux/mmc/Kbuild
new file mode 100644
index 00000000000..1fb26448faa
--- /dev/null
+++ b/include/linux/mmc/Kbuild
@@ -0,0 +1 @@
+header-y += ioctl.h
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index adb4888248b..c6927a4d157 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -11,6 +11,7 @@
 #define LINUX_MMC_CARD_H
 
 #include <linux/mmc/core.h>
+#include <linux/mod_devicetable.h>
 
 struct mmc_cid {
         unsigned int            manfid;
@@ -29,6 +30,7 @@ struct mmc_csd {
         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 */
@@ -45,6 +47,10 @@ struct mmc_ext_csd {
         u8                      rev;
         u8                      erase_group_def;
         u8                      sec_feature_support;
+        u8                      rel_sectors;
+        u8                      rel_param;
+        u8                      part_config;
+        unsigned int            part_time;              /* Units: ms */
         unsigned int            sa_timeout;             /* Units: 100ns */
         unsigned int            hs_max_dtr;
         unsigned int            sectors;
@@ -57,13 +63,18 @@ struct mmc_ext_csd {
         bool                    enhanced_area_en;       /* enable bit */
         unsigned long long      enhanced_area_offset;   /* Units: Byte */
         unsigned int            enhanced_area_size;     /* Units: KB */
+        unsigned int            boot_size;              /* in bytes */
 };
 
 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 {
@@ -74,6 +85,39 @@ struct sd_ssr {
 
 struct sd_switch_caps {
         unsigned int            hs_max_dtr;
+        unsigned int            uhs_max_dtr;
+#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 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_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_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 {
@@ -118,6 +162,8 @@ struct mmc_card {
 #define MMC_STATE_HIGHSPEED     (1<<2)          /* card is in high speed mode */
 #define MMC_STATE_BLOCKADDR     (1<<3)          /* card uses block-addressing */
 #define MMC_STATE_HIGHSPEED_DDR (1<<4)          /* card is in high speed mode */
+#define MMC_STATE_ULTRAHIGHSPEED (1<<5)         /* card is in ultra high speed mode */
+#define MMC_CARD_SDXC           (1<<6)          /* card is SDXC */
         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 */
@@ -125,6 +171,10 @@ struct mmc_card {
 #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 */
 
         unsigned int            erase_size;     /* erase size in sectors */
         unsigned int            erase_shift;    /* if erase unit is power 2 */
@@ -145,14 +195,100 @@ struct mmc_card {
         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 */
+
         struct dentry           *debugfs_root;
 };
 
-void mmc_fixup_device(struct mmc_card *dev);
+/*
+ *  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 { 0 }
+
+#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)
@@ -163,12 +299,50 @@ void mmc_fixup_device(struct mmc_card *dev);
 #define mmc_card_highspeed(c)   ((c)->state & MMC_STATE_HIGHSPEED)
 #define mmc_card_blockaddr(c)   ((c)->state & MMC_STATE_BLOCKADDR)
 #define mmc_card_ddr_mode(c)    ((c)->state & MMC_STATE_HIGHSPEED_DDR)
+#define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
+#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 
 #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_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
+#define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
+#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
+
+/*
+ * 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)
 {
@@ -180,6 +354,16 @@ 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;
+}
+
 #define mmc_card_name(c)        ((c)->cid.prod_name)
 #define mmc_card_id(c)          (dev_name(&(c)->dev))
 
@@ -203,4 +387,7 @@ struct mmc_driver {
 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
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 07f27af4dba..b6718e549a5 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -92,7 +92,7 @@ struct mmc_command {
  *              actively failing requests
  */
 
-        unsigned int            erase_timeout;  /* in milliseconds */
+        unsigned int            cmd_timeout_ms; /* in milliseconds */
 
         struct mmc_data         *data;          /* data segment associated with cmd */
         struct mmc_request      *mrq;           /* associated request */
@@ -120,6 +120,7 @@ struct mmc_data {
 };
 
 struct mmc_request {
+        struct mmc_command      *sbc;           /* SET_BLOCK_COUNT for multiblock */
         struct mmc_command      *cmd;
         struct mmc_data         *data;
         struct mmc_command      *stop;
@@ -133,8 +134,10 @@ 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 int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
 
 #define MMC_ERASE_ARG           0x00000000
 #define MMC_SECURE_ERASE_ARG    0x80000000
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bcb793ec737..1ee4424462e 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -50,12 +50,30 @@ struct mmc_ios {
 #define MMC_TIMING_LEGACY       0
 #define MMC_TIMING_MMC_HS       1
 #define MMC_TIMING_SD_HS        2
+#define MMC_TIMING_UHS_SDR12    MMC_TIMING_LEGACY
+#define MMC_TIMING_UHS_SDR25    MMC_TIMING_SD_HS
+#define MMC_TIMING_UHS_SDR50    3
+#define MMC_TIMING_UHS_SDR104   4
+#define MMC_TIMING_UHS_DDR50    5
 
         unsigned char   ddr;                    /* dual data rate used */
 
 #define MMC_SDR_MODE            0
 #define MMC_1_2V_DDR_MODE       1
 #define MMC_1_8V_DDR_MODE       2
+
+        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 {
@@ -117,6 +135,10 @@ struct mmc_host_ops {
 
         /* 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);
+        int     (*execute_tuning)(struct mmc_host *host);
+        void    (*enable_preset_value)(struct mmc_host *host, bool enable);
 };
 
 struct mmc_card;
@@ -173,6 +195,22 @@ struct mmc_host {
                                                 /* 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_SET_XPC_330     (1 << 20)       /* Host supports >150mA current at 3.3V */
+#define MMC_CAP_SET_XPC_300     (1 << 21)       /* Host supports >150mA current at 3.0V */
+#define MMC_CAP_SET_XPC_180     (1 << 22)       /* Host supports >150mA current at 1.8V */
+#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_MAX_CURRENT_200 (1 << 26)       /* Host max current limit is 200mA */
+#define MMC_CAP_MAX_CURRENT_400 (1 << 27)       /* Host max current limit is 400mA */
+#define MMC_CAP_MAX_CURRENT_600 (1 << 28)       /* Host max current limit is 600mA */
+#define MMC_CAP_MAX_CURRENT_800 (1 << 29)       /* Host max current limit is 800mA */
+#define MMC_CAP_CMD23           (1 << 30)       /* CMD23 supported. */
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */
 
@@ -321,10 +359,19 @@ static inline int mmc_card_is_removable(struct mmc_host *host)
         return !(host->caps & MMC_CAP_NONREMOVABLE) && mmc_assume_removable;
 }
 
-static inline int mmc_card_is_powered_resumed(struct mmc_host *host)
+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;
+}
 #endif
 
diff --git a/include/linux/mmc/ioctl.h b/include/linux/mmc/ioctl.h
new file mode 100644
index 00000000000..5baf2983a12
--- /dev/null
+++ b/include/linux/mmc/ioctl.h
@@ -0,0 +1,54 @@
+#ifndef LINUX_MMC_IOCTL_H
+#define LINUX_MMC_IOCTL_H
+struct mmc_ioc_cmd {
+        /* Implies direction of data.  true = write, false = read */
+        int write_flag;
+
+        /* Application-specific command.  true = precede with CMD55 */
+        int is_acmd;
+
+        __u32 opcode;
+        __u32 arg;
+        __u32 response[4];  /* CMD response */
+        unsigned int flags;
+        unsigned int blksz;
+        unsigned int blocks;
+
+        /*
+         * Sleep at least postsleep_min_us useconds, and at most
+         * postsleep_max_us useconds *after* issuing command.  Needed for
+         * some read commands for which cards have no other way of indicating
+         * they're ready for the next command (i.e. there is no equivalent of
+         * a "busy" indicator for read operations).
+         */
+        unsigned int postsleep_min_us;
+        unsigned int postsleep_max_us;
+
+        /*
+         * Override driver-computed timeouts.  Note the difference in units!
+         */
+        unsigned int data_timeout_ns;
+        unsigned int cmd_timeout_ms;
+
+        /*
+         * For 64-bit machines, the next member, ``__u64 data_ptr``, wants to
+         * be 8-byte aligned.  Make sure this struct is the same size when
+         * built for 32-bit.
+         */
+        __u32 __pad;
+
+        /* DAT buffer */
+        __u64 data_ptr;
+};
+#define mmc_ioc_cmd_set_data(ic, ptr) ic.data_ptr = (__u64)(unsigned long) ptr
+
+#define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd)
+
+/*
+ * Since this ioctl is only meant to enhance (and not replace) normal access
+ * to the mmc bus device, an upper data transfer limit of MMC_IOC_MAX_BYTES
+ * is enforced per ioctl call.  For larger data transfers, use the normal
+ * block device operations.
+ */
+#define MMC_IOC_MAX_BYTES  (512L * 256)
+#endif  /* LINUX_MMC_IOCTL_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 264ba5451e3..ac26a685cca 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -50,6 +50,7 @@
 #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  */
 
   /* class 3 */
 #define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */
@@ -82,6 +83,12 @@
 #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:
  *
@@ -255,18 +262,23 @@ struct _mmc_csd {
 
 #define EXT_CSD_PARTITION_ATTRIBUTE     156     /* R/W */
 #define EXT_CSD_PARTITION_SUPPORT       160     /* RO */
+#define EXT_CSD_WR_REL_PARAM            166     /* RO */
 #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_REV                     192     /* RO */
 #define EXT_CSD_STRUCTURE               194     /* RO */
 #define EXT_CSD_CARD_TYPE               196     /* RO */
+#define EXT_CSD_PART_SWITCH_TIME        199     /* 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 */
@@ -276,6 +288,12 @@ struct _mmc_csd {
  * EXT_CSD field definitions
  */
 
+#define EXT_CSD_WR_REL_PARAM_EN         (1<<2)
+
+#define EXT_CSD_PART_CONFIG_ACC_MASK    (0x7)
+#define EXT_CSD_PART_CONFIG_ACC_BOOT0   (0x1)
+#define EXT_CSD_PART_CONFIG_ACC_BOOT1   (0x2)
+
 #define EXT_CSD_CMD_SET_NORMAL          (1<<0)
 #define EXT_CSD_CMD_SET_SECURE          (1<<1)
 #define EXT_CSD_CMD_SET_CPSECURE        (1<<2)
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 3fd85e088cc..7d35d52c3df 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -17,6 +17,7 @@
 /* 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  */
@@ -32,6 +33,12 @@
 #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:
  *
@@ -59,7 +66,7 @@
 
 #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 */
+#define SCR_SPEC_VER_2          2       /* Implements system specification 2.00-3.0X */
 
 /*
  * SD bus widths
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 83bd9f76709..6a68c4eb4e4 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -85,6 +85,8 @@ struct sdhci_host {
 #define SDHCI_QUIRK_NO_HISPD_BIT                        (1<<29)
 /* Controller treats ADMA descriptors with length 0000h incorrectly */
 #define SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC            (1<<30)
+/* The read-only detection via SDHCI_PRESENT_STATE register is unstable */
+#define SDHCI_QUIRK_UNSTABLE_RO_DETECT                  (1<<31)
 
         int irq;                /* Device IRQ */
         void __iomem *ioaddr;   /* Mapped address */
@@ -109,11 +111,16 @@ struct sdhci_host {
 #define SDHCI_USE_ADMA          (1<<1)  /* Host is ADMA capable */
 #define SDHCI_REQ_USE_DMA       (1<<2)  /* Use DMA for this req. */
 #define SDHCI_DEVICE_DEAD       (1<<3)  /* Device unresponsive */
+#define SDHCI_SDR50_NEEDS_TUNING (1<<4) /* SDR50 needs tuning */
+#define SDHCI_NEEDS_RETUNING    (1<<5)  /* Host needs retuning */
+#define SDHCI_AUTO_CMD12        (1<<6)  /* Auto CMD12 support */
+#define SDHCI_AUTO_CMD23        (1<<7)  /* Auto CMD23 support */
 
         unsigned int version;   /* SDHCI spec. version */
 
         unsigned int max_clk;   /* Max possible freq (MHz) */
         unsigned int timeout_clk;       /* Timeout freq (KHz) */
+        unsigned int clk_mul;   /* Clock Muliplier value */
 
         unsigned int clock;     /* Current clock (MHz) */
         u8 pwr;                 /* Current voltage */
@@ -145,6 +152,14 @@ struct sdhci_host {
         unsigned int            ocr_avail_sd;
         unsigned int            ocr_avail_mmc;
 
+        wait_queue_head_t       buf_ready_int;  /* Waitqueue for Buffer Read Ready interrupt */
+        unsigned int            tuning_done;    /* Condition flag set when CMD19 succeeds */
+
+        unsigned int            tuning_count;   /* Timer count for re-tuning */
+        unsigned int            tuning_mode;    /* Re-tuning mode supported by host */
+#define SDHCI_TUNING_MODE_1     0
+        struct timer_list       tuning_timer;   /* Timer for tuning */
+
         unsigned long private[0] ____cacheline_aligned;
 };
 #endif /* __SDHCI_H */
diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h
index c981b959760..faf32b6ec18 100644
--- a/include/linux/mmc/sh_mobile_sdhi.h
+++ b/include/linux/mmc/sh_mobile_sdhi.h
@@ -3,12 +3,16 @@
 
 #include <linux/types.h>
 
+struct platform_device;
+struct tmio_mmc_data;
+
 struct sh_mobile_sdhi_info {
         int dma_slave_tx;
         int dma_slave_rx;
         unsigned long tmio_flags;
         unsigned long tmio_caps;
         u32 tmio_ocr_mask;      /* available MMC voltages */
+        struct tmio_mmc_data *pdata;
         void (*set_pwr)(struct platform_device *pdev, int state);
         int (*get_cd)(struct platform_device *pdev);
 };