9 files changed, 153 insertions, 3 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index b460fc2af8a1..415f2db414e1 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -50,8 +50,12 @@ struct mmc_ext_csd {
         u8                      rel_sectors;
         u8                      rel_param;
         u8                      part_config;
+        u8                      cache_ctrl;
+        u8                      rst_n_function;
         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 */
         unsigned int            hs_max_dtr;
         unsigned int            sectors;
         unsigned int            card_type;
@@ -63,11 +67,15 @@ 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 */
+        unsigned int            cache_size;             /* Units: KB */
+        bool                    hpi_en;                 /* HPI enablebit */
+        bool                    hpi;                    /* HPI support bit */
+        unsigned int            hpi_cmd;                /* cmd used as HPI */
         u8                      raw_partition_support;  /* 160 */
         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_s_a_timeout;                /* 217 */
         u8                      raw_hc_erase_gap_size;  /* 221 */
         u8                      raw_erase_timeout_mult; /* 223 */
@@ -77,6 +85,9 @@ struct mmc_ext_csd {
         u8                      raw_sec_feature_support;/* 231 */
         u8                      raw_trim_mult;          /* 232 */
         u8                      raw_sectors[4];         /* 212 - 4 bytes */
+
+        unsigned int            feature_support;
+#define MMC_DISCARD_FEATURE     BIT(0)                  /* CMD38 feature */
 };
 
 struct sd_scr {
@@ -157,6 +168,24 @@ struct sdio_func_tuple;
 
 #define SDIO_MAX_FUNCS          7
 
+/* The number of MMC physical partitions.  These consist of:
+ * boot partitions (2), general purpose partitions (4) in MMC v4.4.
+ */
+#define MMC_NUM_BOOT_PARTITION  2
+#define MMC_NUM_GP_PARTITION    4
+#define MMC_NUM_PHY_PARTITION   6
+#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 */
+};
+
 /*
  * MMC device
  */
@@ -188,6 +217,13 @@ struct mmc_card {
 #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 */
+        unsigned int    poweroff_notify_state;  /* eMMC4.5 notify feature */
+#define MMC_NO_POWER_NOTIFICATION       0
+#define MMC_POWERED_ON                  1
+#define MMC_POWEROFF_SHORT              2
+#define MMC_POWEROFF_LONG               3
 
         unsigned int            erase_size;     /* erase size in sectors */
         unsigned int            erase_shift;    /* if erase unit is power 2 */
@@ -216,9 +252,24 @@ struct mmc_card {
         unsigned int            sd_bus_speed;   /* Bus Speed Mode set for the 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)
+{
+        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->nr_parts++;
+}
+
+/*
  *  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.
  */
@@ -377,6 +428,11 @@ 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;
+}
+
 #define mmc_card_name(c)        ((c)->cid.prod_name)
 #define mmc_card_id(c)          (dev_name(&(c)->dev))
 
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index b8b1b7a311f1..174a844a5dda 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -136,6 +136,7 @@ struct mmc_async_req;
 
 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 *);
@@ -146,6 +147,7 @@ extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
 #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
 
@@ -156,12 +158,17 @@ 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_hw_reset(struct mmc_host *host);
+extern int mmc_hw_reset_check(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);
@@ -171,6 +178,8 @@ extern void mmc_release_host(struct mmc_host *host);
 extern void mmc_do_release_host(struct mmc_host *host);
 extern int mmc_try_claim_host(struct mmc_host *host);
 
+extern int mmc_flush_cache(struct mmc_card *);
+
 /**
  *      mmc_claim_host - exclusively claim a host
  *      @host: mmc host to claim
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 6b46819705d1..6dc9b80568a0 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -72,6 +72,8 @@ struct mmc_data;
  *      rate and timeout calculations.
  * @current_speed: Configured rate of the controller.
  * @num_slots: Number of slots available.
+ * @verid: Denote Version ID.
+ * @data_offset: Set the offset of DATA register according to VERID.
  * @pdev: Platform device associated with the MMC controller.
  * @pdata: Platform data associated with the MMC controller.
  * @slot: Slots sharing this MMC controller.
@@ -147,6 +149,8 @@ struct dw_mci {
         u32                     current_speed;
         u32                     num_slots;
         u32                     fifoth_val;
+        u16                     verid;
+        u16                     data_offset;
         struct platform_device  *pdev;
         struct dw_mci_board     *pdata;
         struct dw_mci_slot      *slot[MAX_MCI_SLOTS];
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 1d09562ccf73..a3ac9c48e5de 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -12,6 +12,7 @@
 
 #include <linux/leds.h>
 #include <linux/sched.h>
+#include <linux/fault-inject.h>
 
 #include <linux/mmc/core.h>
 #include <linux/mmc/pm.h>
@@ -108,6 +109,9 @@ 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);
@@ -147,6 +151,7 @@ struct mmc_host_ops {
         int     (*execute_tuning)(struct mmc_host *host);
         void    (*enable_preset_value)(struct mmc_host *host, bool enable);
         int     (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
+        void    (*hw_reset)(struct mmc_host *host);
 };
 
 struct mmc_card;
@@ -229,8 +234,20 @@ struct mmc_host {
 #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. */
+#define MMC_CAP_HW_RESET        (1 << 31)       /* Hardware reset */
+
+        unsigned int            caps2;          /* More host capabilities */
+
+#define MMC_CAP2_BOOTPART_NOACC (1 << 0)        /* Boot partition no access */
+#define MMC_CAP2_CACHE_CTRL     (1 << 1)        /* Allow cache control */
+#define MMC_CAP2_POWEROFF_NOTIFY (1 << 2)       /* Notify poweroff supported */
+#define MMC_CAP2_NO_MULTI_READ  (1 << 3)        /* Multiblock reads don't work */
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */
+        unsigned int        power_notify_type;
+#define MMC_HOST_PW_NOTIFY_NONE         0
+#define MMC_HOST_PW_NOTIFY_SHORT        1
+#define MMC_HOST_PW_NOTIFY_LONG         2
 
 #ifdef CONFIG_MMC_CLKGATE
         int                     clk_requests;   /* internal reference counter */
@@ -302,6 +319,10 @@ struct mmc_host {
 
         struct mmc_async_req    *areq;          /* active async req */
 
+#ifdef CONFIG_FAIL_MMC_REQUEST
+        struct fault_attr       fail_mmc_request;
+#endif
+
         unsigned long           private[0] ____cacheline_aligned;
 };
 
@@ -330,6 +351,8 @@ extern int mmc_power_restore_host(struct mmc_host *host);
 extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
 extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
 
+extern int mmc_cache_ctrl(struct mmc_host *, u8);
+
 static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 {
         host->ops->enable_sdio_irq(host, 0);
@@ -394,4 +417,10 @@ 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);
+}
+
 #endif /* LINUX_MMC_HOST_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 5a794cb503ea..0e7135697d11 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -270,18 +270,31 @@ struct _mmc_csd {
  * 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_GP_SIZE_MULT            143     /* 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_SANITIZE_START          165     /* W */
 #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_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 */
@@ -293,6 +306,14 @@ struct _mmc_csd {
 #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_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_HPI_FEATURES            503     /* RO */
 
 /*
  * EXT_CSD field definitions
@@ -302,7 +323,9 @@ struct _mmc_csd {
 
 #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_PART_CONFIG_ACC_GP0     (0x4)
+
+#define EXT_CSD_PART_SUPPORT_PART_EN    (0x1)
 
 #define EXT_CSD_CMD_SET_NORMAL          (1<<0)
 #define EXT_CSD_CMD_SET_SECURE          (1<<1)
@@ -327,7 +350,20 @@ struct _mmc_csd {
 #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
 /*
  * MMC_SWITCH access modes
  */
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 5666f3abfab7..e4b69353678d 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -88,6 +88,10 @@ struct sdhci_host {
 /* The read-only detection via SDHCI_PRESENT_STATE register is unstable */
 #define SDHCI_QUIRK_UNSTABLE_RO_DETECT                  (1<<31)
 
+        unsigned int quirks2;   /* More deviations from spec. */
+
+#define SDHCI_QUIRK2_OWN_CARD_DETECTION                 (1<<0)
+
         int irq;                /* Device IRQ */
         void __iomem *ioaddr;   /* Mapped address */
 
@@ -115,6 +119,8 @@ struct sdhci_host {
 #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 */
+#define SDHCI_PV_ENABLED        (1<<8)  /* Preset value enabled */
+#define SDHCI_SDIO_IRQ_ENABLED  (1<<9)  /* SDIO irq enabled */
 
         unsigned int version;   /* SDHCI spec. version */
 
@@ -125,6 +131,8 @@ struct sdhci_host {
         unsigned int clock;     /* Current clock (MHz) */
         u8 pwr;                 /* Current voltage */
 
+        bool runtime_suspended; /* Host is runtime suspended */
+
         struct mmc_request *mrq;        /* Current request */
         struct mmc_command *cmd;        /* Current command */
         struct mmc_data *data;  /* Current data request */
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index 2a2e9905a247..e0b1123497b9 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -72,11 +72,13 @@
 #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
 
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index 0222cd8ebe76..04ff452bf5c3 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -41,7 +41,9 @@ struct sh_mmcif_plat_data {
         void (*set_pwr)(struct platform_device *pdev, int state);
         void (*down_pwr)(struct platform_device *pdev);
         int (*get_cd)(struct platform_device *pdef);
-        struct sh_mmcif_dma     *dma;
+        struct sh_mmcif_dma     *dma;           /* Deprecated. Instead */
+        unsigned int            slave_id_tx;    /* use embedded slave_id_[tr]x */
+        unsigned int            slave_id_rx;
         u8                      sup_pclk;       /* 1 :SH7757, 0: SH7724/SH7372 */
         unsigned long           caps;
         u32                     ocr;
diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h
index bd50b365167f..71b805451bd8 100644
--- a/include/linux/mmc/sh_mobile_sdhi.h
+++ b/include/linux/mmc/sh_mobile_sdhi.h
@@ -6,6 +6,10 @@
 struct platform_device;
 struct tmio_mmc_data;
 
+#define SH_MOBILE_SDHI_IRQ_CARD_DETECT  "card_detect"
+#define SH_MOBILE_SDHI_IRQ_SDCARD       "sdcard"
+#define SH_MOBILE_SDHI_IRQ_SDIO         "sdio"
+
 struct sh_mobile_sdhi_info {
         int dma_slave_tx;
         int dma_slave_rx;