1 files changed, 57 insertions, 1 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))