1 files changed, 110 insertions, 5 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 1575b52c3bfa..1ee4424462eb 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -50,6 +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 {
@@ -111,6 +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;
@@ -123,7 +151,11 @@ struct mmc_host {
         const struct mmc_host_ops *ops;
         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;
 
 #define MMC_VDD_165_195         0x00000080      /* VDD voltage 1.65 - 1.95 */
@@ -157,13 +189,44 @@ struct mmc_host {
 #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_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 */
 
+#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 work_struct      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 */
+#endif
+
         /* host specific block data */
         unsigned int            max_seg_size;   /* see blk_queue_max_segment_size */
-        unsigned short          max_hw_segs;    /* see blk_queue_max_hw_segments */
-        unsigned short          max_phys_segs;  /* see blk_queue_max_phys_segments */
+        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 */
@@ -212,6 +275,10 @@ struct mmc_host {
         struct led_trigger      *led;           /* activity led */
 #endif
 
+#ifdef CONFIG_REGULATOR
+        bool                    regulator_enabled; /* regulator state */
+#endif
+
         struct dentry           *debugfs_root;
 
         unsigned long           private[0] ____cacheline_aligned;
@@ -236,8 +303,8 @@ static inline void *mmc_priv(struct mmc_host *host)
 extern int mmc_suspend_host(struct mmc_host *);
 extern int mmc_resume_host(struct mmc_host *);
 
-extern void mmc_power_save_host(struct mmc_host *host);
-extern void mmc_power_restore_host(struct mmc_host *host);
+extern int mmc_power_save_host(struct mmc_host *host);
+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 *);
@@ -250,8 +317,24 @@ static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 
 struct regulator;
 
+#ifdef CONFIG_REGULATOR
 int mmc_regulator_get_ocrmask(struct regulator *supply);
-int mmc_regulator_set_ocr(struct regulator *supply, unsigned short vdd_bit);
+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_card_awake(struct mmc_host *host);
 int mmc_card_sleep(struct mmc_host *host);
@@ -268,5 +351,27 @@ static inline void mmc_set_disable_delay(struct mmc_host *host,
         host->disable_delay = disable_delay;
 }
 
+/* Module parameter */
+extern int mmc_assume_removable;
+
+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_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