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-rw-r--r--include/linux/mmc/host.h49
1 files changed, 48 insertions, 1 deletions
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