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-rw-r--r--include/linux/mmc/card.h22
-rw-r--r--include/linux/mmc/core.h7
-rw-r--r--include/linux/mmc/dw_mmc.h6
-rw-r--r--include/linux/mmc/host.h61
-rw-r--r--include/linux/mmc/mmc.h15
-rw-r--r--include/linux/mmc/sdhci.h1
-rw-r--r--include/linux/mmc/sh_mobile_sdhi.h2
7 files changed, 94 insertions, 20 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 5c69315d60cc..61b2c30c903b 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -53,6 +53,9 @@ struct mmc_ext_csd {
u8 part_config;
u8 cache_ctrl;
u8 rst_n_function;
+ u8 max_packed_writes;
+ u8 max_packed_reads;
+ u8 packed_event_en;
unsigned int part_time; /* Units: ms */
unsigned int sa_timeout; /* Units: 100ns */
unsigned int generic_cmd6_time; /* Units: 10ms */
@@ -83,7 +86,7 @@ struct mmc_ext_csd {
unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
unsigned int boot_ro_lock; /* ro lock support */
bool boot_ro_lockable;
- u8 raw_exception_status; /* 53 */
+ u8 raw_exception_status; /* 54 */
u8 raw_partition_support; /* 160 */
u8 raw_rpmb_size_mult; /* 168 */
u8 raw_erased_mem_count; /* 181 */
@@ -187,6 +190,18 @@ struct sdio_func_tuple;
#define SDIO_MAX_FUNCS 7
+enum mmc_blk_status {
+ MMC_BLK_SUCCESS = 0,
+ MMC_BLK_PARTIAL,
+ MMC_BLK_CMD_ERR,
+ MMC_BLK_RETRY,
+ MMC_BLK_ABORT,
+ MMC_BLK_DATA_ERR,
+ MMC_BLK_ECC_ERR,
+ MMC_BLK_NOMEDIUM,
+ MMC_BLK_NEW_REQUEST,
+};
+
/* The number of MMC physical partitions. These consist of:
* boot partitions (2), general purpose partitions (4) in MMC v4.4.
*/
@@ -295,6 +310,11 @@ static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
card->nr_parts++;
}
+static inline bool mmc_large_sector(struct mmc_card *card)
+{
+ return card->ext_csd.data_sector_size == 4096;
+}
+
/*
* 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.
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 5bf7c2274fcb..39613b9a6fc5 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -18,6 +18,9 @@ struct mmc_request;
struct mmc_command {
u32 opcode;
u32 arg;
+#define MMC_CMD23_ARG_REL_WR (1 << 31)
+#define MMC_CMD23_ARG_PACKED ((0 << 31) | (1 << 30))
+#define MMC_CMD23_ARG_TAG_REQ (1 << 29)
u32 resp[4];
unsigned int flags; /* expected response type */
#define MMC_RSP_PRESENT (1 << 0)
@@ -120,6 +123,7 @@ struct mmc_data {
s32 host_cookie; /* host private data */
};
+struct mmc_host;
struct mmc_request {
struct mmc_command *sbc; /* SET_BLOCK_COUNT for multiblock */
struct mmc_command *cmd;
@@ -128,9 +132,9 @@ struct mmc_request {
struct completion completion;
void (*done)(struct mmc_request *);/* completion function */
+ struct mmc_host *host;
};
-struct mmc_host;
struct mmc_card;
struct mmc_async_req;
@@ -147,6 +151,7 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
extern void mmc_start_bkops(struct mmc_card *card, bool from_exception);
extern int __mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int, bool);
extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
+extern int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd);
#define MMC_ERASE_ARG 0x00000000
#define MMC_SECURE_ERASE_ARG 0x80000000
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 34be4f47293c..198f0fa44e9f 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -209,8 +209,10 @@ struct dw_mci_dma_ops {
#define DW_MCI_QUIRK_HIGHSPEED BIT(2)
/* Unreliable card detection */
#define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3)
-/* Write Protect detection not available */
-#define DW_MCI_QUIRK_NO_WRITE_PROTECT BIT(4)
+
+/* Slot level quirks */
+/* This slot has no write protect */
+#define DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT BIT(0)
struct dma_pdata;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 61a10c17aabd..d6f20cc6415e 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -131,9 +131,11 @@ struct mmc_host_ops {
int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);
+ /* Check if the card is pulling dat[0:3] low */
+ int (*card_busy)(struct mmc_host *host);
+
/* The tuning command opcode value is different for SD and eMMC cards */
int (*execute_tuning)(struct mmc_host *host, u32 opcode);
- void (*enable_preset_value)(struct mmc_host *host, bool enable);
int (*select_drive_strength)(unsigned int max_dtr, int host_drv, int card_drv);
void (*hw_reset)(struct mmc_host *host);
void (*card_event)(struct mmc_host *host);
@@ -170,6 +172,22 @@ struct mmc_slot {
void *handler_priv;
};
+/**
+ * mmc_context_info - synchronization details for mmc context
+ * @is_done_rcv wake up reason was done request
+ * @is_new_req wake up reason was new request
+ * @is_waiting_last_req mmc context waiting for single running request
+ * @wait wait queue
+ * @lock lock to protect data fields
+ */
+struct mmc_context_info {
+ bool is_done_rcv;
+ bool is_new_req;
+ bool is_waiting_last_req;
+ wait_queue_head_t wait;
+ spinlock_t lock;
+};
+
struct regulator;
struct mmc_supply {
@@ -258,6 +276,10 @@ struct mmc_host {
#define MMC_CAP2_HC_ERASE_SZ (1 << 9) /* High-capacity erase size */
#define MMC_CAP2_CD_ACTIVE_HIGH (1 << 10) /* Card-detect signal active high */
#define MMC_CAP2_RO_ACTIVE_HIGH (1 << 11) /* Write-protect signal active high */
+#define MMC_CAP2_PACKED_RD (1 << 12) /* Allow packed read */
+#define MMC_CAP2_PACKED_WR (1 << 13) /* Allow packed write */
+#define MMC_CAP2_PACKED_CMD (MMC_CAP2_PACKED_RD | \
+ MMC_CAP2_PACKED_WR)
mmc_pm_flag_t pm_caps; /* supported pm features */
@@ -331,6 +353,7 @@ struct mmc_host {
struct dentry *debugfs_root;
struct mmc_async_req *areq; /* active async req */
+ struct mmc_context_info context_info; /* async synchronization info */
#ifdef CONFIG_FAIL_MMC_REQUEST
struct fault_attr fail_mmc_request;
@@ -341,10 +364,11 @@ struct mmc_host {
unsigned long private[0] ____cacheline_aligned;
};
-extern struct mmc_host *mmc_alloc_host(int extra, struct device *);
-extern int mmc_add_host(struct mmc_host *);
-extern void mmc_remove_host(struct mmc_host *);
-extern void mmc_free_host(struct mmc_host *);
+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 *);
+void mmc_of_parse(struct mmc_host *host);
static inline void *mmc_priv(struct mmc_host *host)
{
@@ -357,16 +381,16 @@ static inline void *mmc_priv(struct mmc_host *host)
#define mmc_classdev(x) (&(x)->class_dev)
#define mmc_hostname(x) (dev_name(&(x)->class_dev))
-extern int mmc_suspend_host(struct mmc_host *);
-extern int mmc_resume_host(struct mmc_host *);
+int mmc_suspend_host(struct mmc_host *);
+int mmc_resume_host(struct mmc_host *);
-extern int mmc_power_save_host(struct mmc_host *host);
-extern int mmc_power_restore_host(struct mmc_host *host);
+int mmc_power_save_host(struct mmc_host *host);
+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 *);
+void mmc_detect_change(struct mmc_host *, unsigned long delay);
+void mmc_request_done(struct mmc_host *, struct mmc_request *);
-extern int mmc_cache_ctrl(struct mmc_host *, u8);
+int mmc_cache_ctrl(struct mmc_host *, u8);
static inline void mmc_signal_sdio_irq(struct mmc_host *host)
{
@@ -434,6 +458,19 @@ 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);
+}
+
+static inline int mmc_host_packed_wr(struct mmc_host *host)
+{
+ return host->caps2 & MMC_CAP2_PACKED_WR;
+}
+
#ifdef CONFIG_MMC_CLKGATE
void mmc_host_clk_hold(struct mmc_host *host);
void mmc_host_clk_release(struct mmc_host *host);
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 94d532e41c61..50bcde3677ca 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -139,7 +139,7 @@ static inline bool mmc_op_multi(u32 opcode)
#define R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
#define R1_READY_FOR_DATA (1 << 8) /* sx, a */
#define R1_SWITCH_ERROR (1 << 7) /* sx, c */
-#define R1_EXCEPTION_EVENT (1 << 6) /* sx, a */
+#define R1_EXCEPTION_EVENT (1 << 6) /* sr, a */
#define R1_APP_CMD (1 << 5) /* sr, c */
#define R1_STATE_IDLE 0
@@ -275,7 +275,10 @@ struct _mmc_csd {
#define EXT_CSD_FLUSH_CACHE 32 /* W */
#define EXT_CSD_CACHE_CTRL 33 /* R/W */
#define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */
-#define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO */
+#define EXT_CSD_PACKED_FAILURE_INDEX 35 /* RO */
+#define EXT_CSD_PACKED_CMD_STATUS 36 /* RO */
+#define EXT_CSD_EXP_EVENTS_STATUS 54 /* RO, 2 bytes */
+#define EXT_CSD_EXP_EVENTS_CTRL 56 /* R/W, 2 bytes */
#define EXT_CSD_DATA_SECTOR_SIZE 61 /* R */
#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
#define EXT_CSD_PARTITION_ATTRIBUTE 156 /* R/W */
@@ -324,6 +327,8 @@ struct _mmc_csd {
#define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */
#define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */
#define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */
+#define EXT_CSD_MAX_PACKED_WRITES 500 /* RO */
+#define EXT_CSD_MAX_PACKED_READS 501 /* RO */
#define EXT_CSD_BKOPS_SUPPORT 502 /* RO */
#define EXT_CSD_HPI_FEATURES 503 /* RO */
@@ -385,6 +390,9 @@ struct _mmc_csd {
#define EXT_CSD_PWR_CL_4BIT_MASK 0x0F /* 8 bit PWR CLS */
#define EXT_CSD_PWR_CL_8BIT_SHIFT 4
#define EXT_CSD_PWR_CL_4BIT_SHIFT 0
+
+#define EXT_CSD_PACKED_EVENT_EN BIT(3)
+
/*
* EXCEPTION_EVENT_STATUS field
*/
@@ -393,6 +401,9 @@ struct _mmc_csd {
#define EXT_CSD_SYSPOOL_EXHAUSTED BIT(2)
#define EXT_CSD_PACKED_FAILURE BIT(3)
+#define EXT_CSD_PACKED_GENERIC_ERROR BIT(0)
+#define EXT_CSD_PACKED_INDEXED_ERROR BIT(1)
+
/*
* BKOPS status level
*/
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 4bbc3301fbbf..b838ffc49e4a 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -94,6 +94,7 @@ struct sdhci_host {
#define SDHCI_QUIRK2_HOST_NO_CMD23 (1<<1)
/* The system physically doesn't support 1.8v, even if the host does */
#define SDHCI_QUIRK2_NO_1_8_V (1<<2)
+#define SDHCI_QUIRK2_PRESET_VALUE_BROKEN (1<<3)
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */
diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h
index b65679ffa880..b76bcf0621f6 100644
--- a/include/linux/mmc/sh_mobile_sdhi.h
+++ b/include/linux/mmc/sh_mobile_sdhi.h
@@ -4,7 +4,6 @@
#include <linux/types.h>
struct platform_device;
-struct tmio_mmc_data;
#define SH_MOBILE_SDHI_IRQ_CARD_DETECT "card_detect"
#define SH_MOBILE_SDHI_IRQ_SDCARD "sdcard"
@@ -26,7 +25,6 @@ struct sh_mobile_sdhi_info {
unsigned long tmio_caps2;
u32 tmio_ocr_mask; /* available MMC voltages */
unsigned int cd_gpio;
- struct tmio_mmc_data *pdata;
void (*set_pwr)(struct platform_device *pdev, int state);
int (*get_cd)(struct platform_device *pdev);
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