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Diffstat (limited to 'include/linux/mmc/host.h')
-rw-r--r--include/linux/mmc/host.h84
1 files changed, 20 insertions, 64 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 8bc884121465..83f1c4a9f03b 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -10,16 +10,12 @@
#ifndef LINUX_MMC_HOST_H
#define LINUX_MMC_HOST_H
-#include <linux/leds.h>
-#include <linux/mutex.h>
-#include <linux/timer.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/fault-inject.h>
#include <linux/mmc/core.h>
#include <linux/mmc/card.h>
-#include <linux/mmc/mmc.h>
#include <linux/mmc/pm.h>
struct mmc_ios {
@@ -82,6 +78,8 @@ struct mmc_ios {
bool enhanced_strobe; /* hs400es selection */
};
+struct mmc_host;
+
struct mmc_host_ops {
/*
* It is optional for the host to implement pre_req and post_req in
@@ -162,9 +160,6 @@ struct mmc_host_ops {
unsigned int direction, int blk_size);
};
-struct mmc_card;
-struct device;
-
struct mmc_async_req {
/* active mmc request */
struct mmc_request *mrq;
@@ -264,17 +259,16 @@ 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_3_3V_DDR (1 << 11) /* Host supports eMMC DDR 3.3V */
+#define MMC_CAP_1_8V_DDR (1 << 12) /* Host supports eMMC DDR 1.8V */
+#define MMC_CAP_1_2V_DDR (1 << 13) /* Host supports eMMC DDR 1.2V */
+#define MMC_CAP_POWER_OFF_CARD (1 << 14) /* Can power off after boot */
+#define MMC_CAP_BUS_WIDTH_TEST (1 << 15) /* CMD14/CMD19 bus width ok */
+#define MMC_CAP_UHS_SDR12 (1 << 16) /* Host supports UHS SDR12 mode */
+#define MMC_CAP_UHS_SDR25 (1 << 17) /* Host supports UHS SDR25 mode */
+#define MMC_CAP_UHS_SDR50 (1 << 18) /* Host supports UHS SDR50 mode */
+#define MMC_CAP_UHS_SDR104 (1 << 19) /* Host supports UHS SDR104 mode */
+#define MMC_CAP_UHS_DDR50 (1 << 20) /* Host supports UHS DDR50 mode */
#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 */
@@ -397,11 +391,14 @@ struct mmc_host {
unsigned long private[0] ____cacheline_aligned;
};
+struct device_node;
+
struct mmc_host *mmc_alloc_host(int extra, struct device *);
int mmc_add_host(struct mmc_host *);
void mmc_remove_host(struct mmc_host *);
void mmc_free_host(struct mmc_host *);
int mmc_of_parse(struct mmc_host *host);
+int mmc_of_parse_voltage(struct device_node *np, u32 *mask);
static inline void *mmc_priv(struct mmc_host *host)
{
@@ -457,6 +454,7 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc,
}
#endif
+u32 mmc_vddrange_to_ocrmask(int vdd_min, int vdd_max);
int mmc_regulator_get_supply(struct mmc_host *mmc);
static inline int mmc_card_is_removable(struct mmc_host *host)
@@ -474,56 +472,20 @@ 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;
-}
-
-static inline int mmc_boot_partition_access(struct mmc_host *host)
-{
- return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
-}
-
-static inline int mmc_host_uhs(struct mmc_host *host)
-{
- return host->caps &
- (MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
- MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
- MMC_CAP_UHS_DDR50);
-}
-
+/* TODO: Move to private header */
static inline int mmc_card_hs(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_SD_HS ||
card->host->ios.timing == MMC_TIMING_MMC_HS;
}
+/* TODO: Move to private header */
static inline int mmc_card_uhs(struct mmc_card *card)
{
return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 &&
card->host->ios.timing <= MMC_TIMING_UHS_DDR50;
}
-static inline bool mmc_card_hs200(struct mmc_card *card)
-{
- return card->host->ios.timing == MMC_TIMING_MMC_HS200;
-}
-
-static inline bool mmc_card_ddr52(struct mmc_card *card)
-{
- return card->host->ios.timing == MMC_TIMING_MMC_DDR52;
-}
-
-static inline bool mmc_card_hs400(struct mmc_card *card)
-{
- return card->host->ios.timing == MMC_TIMING_MMC_HS400;
-}
-
-static inline bool mmc_card_hs400es(struct mmc_card *card)
-{
- return card->host->ios.enhanced_strobe;
-}
-
void mmc_retune_timer_stop(struct mmc_host *host);
static inline void mmc_retune_needed(struct mmc_host *host)
@@ -532,18 +494,12 @@ static inline void mmc_retune_needed(struct mmc_host *host)
host->need_retune = 1;
}
-static inline void mmc_retune_recheck(struct mmc_host *host)
-{
- if (host->hold_retune <= 1)
- host->retune_now = 1;
-}
-
static inline bool mmc_can_retune(struct mmc_host *host)
{
return host->can_retune == 1;
}
-void mmc_retune_pause(struct mmc_host *host);
-void mmc_retune_unpause(struct mmc_host *host);
+int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
+int mmc_abort_tuning(struct mmc_host *host, u32 opcode);
#endif /* LINUX_MMC_HOST_H */