Merge branch 'master' into for-linus

5 files changed, 71 insertions, 6 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index d02d2c6e0cfe..6b7525099e56 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -24,12 +24,14 @@ struct mmc_cid {
 };
 
 struct mmc_csd {
+        unsigned char           structure;
         unsigned char           mmca_vsn;
         unsigned short          cmdclass;
         unsigned short          tacc_clks;
         unsigned int            tacc_ns;
         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;
@@ -41,9 +43,16 @@ struct mmc_csd {
 
 struct mmc_ext_csd {
         u8                      rev;
+        u8                      erase_group_def;
+        u8                      sec_feature_support;
         unsigned int            sa_timeout;             /* Units: 100ns */
         unsigned int            hs_max_dtr;
         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 */
 };
 
 struct sd_scr {
@@ -53,6 +62,12 @@ struct sd_scr {
 #define SD_SCR_BUS_WIDTH_4      (1<<2)
 };
 
+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;
 };
@@ -92,6 +107,7 @@ struct mmc_card {
 #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 */
@@ -101,6 +117,13 @@ struct mmc_card {
 #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) */
+
+        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 */
@@ -109,6 +132,7 @@ struct mmc_card {
         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 */
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index e4898e9eeb59..7429033acb66 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -92,6 +92,8 @@ struct mmc_command {
  *              actively failing requests
  */
 
+        unsigned int            erase_timeout;  /* in milliseconds */
+
         struct mmc_data         *data;          /* data segment associated with cmd */
         struct mmc_request      *mrq;           /* associated request */
 };
@@ -134,6 +136,23 @@ extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
 extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
         struct mmc_command *, int);
 
+#define MMC_ERASE_ARG           0x00000000
+#define MMC_SECURE_ERASE_ARG    0x80000000
+#define MMC_TRIM_ARG            0x00000001
+#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_secure_erase_trim(struct mmc_card *card);
+extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
+                                   unsigned int nr);
+
 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);
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index f65913c9f5a4..1575b52c3bfa 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -124,6 +124,7 @@ struct mmc_host {
         unsigned int            f_min;
         unsigned int            f_max;
         u32                     ocr_avail;
+        struct notifier_block   pm_notify;
 
 #define MMC_VDD_165_195         0x00000080      /* VDD voltage 1.65 - 1.95 */
 #define MMC_VDD_20_21           0x00000100      /* VDD voltage 2.0 ~ 2.1 */
@@ -155,6 +156,7 @@ struct mmc_host {
 #define MMC_CAP_DISABLE         (1 << 7)        /* Can the host be disabled */
 #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 */
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */
 
@@ -183,6 +185,7 @@ struct mmc_host {
 
         /* Only used with MMC_CAP_DISABLE */
         int                     enabled;        /* host is enabled */
+        int                     rescan_disable; /* disable card detection */
         int                     nesting_cnt;    /* "enable" nesting count */
         int                     en_dis_recurs;  /* detect recursion */
         unsigned int            disable_delay;  /* disable delay in msecs */
@@ -257,6 +260,7 @@ int mmc_card_can_sleep(struct mmc_host *host);
 int mmc_host_enable(struct mmc_host *host);
 int mmc_host_disable(struct mmc_host *host);
 int mmc_host_lazy_disable(struct mmc_host *host);
+int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *);
 
 static inline void mmc_set_disable_delay(struct mmc_host *host,
                                          unsigned int disable_delay)
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 8a49cbf0376d..dd11ae51fb68 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -251,12 +251,21 @@ struct _mmc_csd {
  * EXT_CSD fields
  */
 
-#define EXT_CSD_BUS_WIDTH       183     /* R/W */
-#define EXT_CSD_HS_TIMING       185     /* R/W */
-#define EXT_CSD_CARD_TYPE       196     /* RO */
-#define EXT_CSD_REV             192     /* RO */
-#define EXT_CSD_SEC_CNT         212     /* RO, 4 bytes */
-#define EXT_CSD_S_A_TIMEOUT     217
+#define EXT_CSD_ERASE_GROUP_DEF         175     /* 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_SEC_CNT                 212     /* RO, 4 bytes */
+#define EXT_CSD_S_A_TIMEOUT             217     /* RO */
+#define EXT_CSD_ERASE_TIMEOUT_MULT      223     /* RO */
+#define EXT_CSD_HC_ERASE_GRP_SIZE       224     /* 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 */
 
 /*
  * EXT_CSD field definitions
@@ -274,6 +283,10 @@ struct _mmc_csd {
 #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_SEC_ER_EN       BIT(0)
+#define EXT_CSD_SEC_BD_BLK_EN   BIT(2)
+#define EXT_CSD_SEC_GB_CL_EN    BIT(4)
+
 /*
  * MMC_SWITCH access modes
  */
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index f310062cffb4..3fd85e088cc3 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -21,8 +21,13 @@
   /* 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  */