diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 609f87ca536b..0411c9f36461 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -128,6 +128,7 @@ #define SDHCI_INT_CARD_INSERT 0x00000040 #define SDHCI_INT_CARD_REMOVE 0x00000080 #define SDHCI_INT_CARD_INT 0x00000100 +#define SDHCI_INT_RETUNE 0x00001000 #define SDHCI_INT_ERROR 0x00008000 #define SDHCI_INT_TIMEOUT 0x00010000 #define SDHCI_INT_CRC 0x00020000 @@ -186,6 +187,7 @@ #define SDHCI_CAN_DO_ADMA1 0x00100000 #define SDHCI_CAN_DO_HISPD 0x00200000 #define SDHCI_CAN_DO_SDMA 0x00400000 +#define SDHCI_CAN_DO_SUSPEND 0x00800000 #define SDHCI_CAN_VDD_330 0x01000000 #define SDHCI_CAN_VDD_300 0x02000000 #define SDHCI_CAN_VDD_180 0x04000000 @@ -314,6 +316,9 @@ struct sdhci_adma2_64_desc { */ #define SDHCI_MAX_SEGS 128 +/* Allow for a a command request and a data request at the same time */ +#define SDHCI_MAX_MRQS 2 + enum sdhci_cookie { COOKIE_UNMAPPED, COOKIE_PRE_MAPPED, /* mapped by sdhci_pre_req() */ @@ -447,6 +452,9 @@ struct sdhci_host { #define SDHCI_SDIO_IRQ_ENABLED (1<<9) /* SDIO irq enabled */ #define SDHCI_USE_64_BIT_DMA (1<<12) /* Use 64-bit DMA */ #define SDHCI_HS400_TUNING (1<<13) /* Tuning for HS400 */ +#define SDHCI_SIGNALING_330 (1<<14) /* Host is capable of 3.3V signaling */ +#define SDHCI_SIGNALING_180 (1<<15) /* Host is capable of 1.8V signaling */ +#define SDHCI_SIGNALING_120 (1<<16) /* Host is capable of 1.2V signaling */ unsigned int version; /* SDHCI spec. version */ @@ -460,12 +468,13 @@ struct sdhci_host { bool runtime_suspended; /* Host is runtime suspended */ bool bus_on; /* Bus power prevents runtime suspend */ bool preset_enabled; /* Preset is enabled */ + bool pending_reset; /* Cmd/data reset is pending */ - struct mmc_request *mrq; /* Current request */ + struct mmc_request *mrqs_done[SDHCI_MAX_MRQS]; /* Requests done */ struct mmc_command *cmd; /* Current command */ + struct mmc_command *data_cmd; /* Current data command */ struct mmc_data *data; /* Current data request */ unsigned int data_early:1; /* Data finished before cmd */ - unsigned int busy_handle:1; /* Handling the order of Busy-end */ struct sg_mapping_iter sg_miter; /* SG state for PIO */ unsigned int blocks; /* remaining PIO blocks */ @@ -486,9 +495,11 @@ struct sdhci_host { struct tasklet_struct finish_tasklet; /* Tasklet structures */ struct timer_list timer; /* Timer for timeouts */ + struct timer_list data_timer; /* Timer for data timeouts */ - u32 caps; /* Alternative CAPABILITY_0 */ - u32 caps1; /* Alternative CAPABILITY_1 */ + u32 caps; /* CAPABILITY_0 */ + u32 caps1; /* CAPABILITY_1 */ + bool read_caps; /* Capability flags have been read */ unsigned int ocr_avail_sdio; /* OCR bit masks */ unsigned int ocr_avail_sd; @@ -508,6 +519,8 @@ struct sdhci_host { unsigned int tuning_count; /* Timer count for re-tuning */ unsigned int tuning_mode; /* Re-tuning mode supported by host */ #define SDHCI_TUNING_MODE_1 0 +#define SDHCI_TUNING_MODE_2 1 +#define SDHCI_TUNING_MODE_3 2 unsigned long private[0] ____cacheline_aligned; }; @@ -645,11 +658,20 @@ static inline void *sdhci_priv(struct sdhci_host *host) } extern void sdhci_card_detect(struct sdhci_host *host); +extern void __sdhci_read_caps(struct sdhci_host *host, u16 *ver, u32 *caps, + u32 *caps1); +extern int sdhci_setup_host(struct sdhci_host *host); +extern int __sdhci_add_host(struct sdhci_host *host); extern int sdhci_add_host(struct sdhci_host *host); extern void sdhci_remove_host(struct sdhci_host *host, int dead); extern void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd); +static inline void sdhci_read_caps(struct sdhci_host *host) +{ + __sdhci_read_caps(host, NULL, NULL, NULL); +} + static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) { return !!(host->flags & SDHCI_SDIO_IRQ_ENABLED); |