diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
-rw-r--r-- | drivers/mmc/host/sdhci.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 902f855efe8f..a6a3ddcf97e7 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -114,6 +114,7 @@ #define SDHCI_DIV_HI_MASK 0x300 #define SDHCI_PROG_CLOCK_MODE 0x0020 #define SDHCI_CLOCK_CARD_EN 0x0004 +#define SDHCI_CLOCK_PLL_EN 0x0008 #define SDHCI_CLOCK_INT_STABLE 0x0002 #define SDHCI_CLOCK_INT_EN 0x0001 @@ -408,6 +409,8 @@ struct sdhci_host { #define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) /* Controller reports inverted write-protect state */ #define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) +/* Controller has unusable command queue engine */ +#define SDHCI_QUIRK_BROKEN_CQE (1<<17) /* Controller does not like fast PIO transfers */ #define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) /* Controller does not have a LED */ @@ -484,6 +487,7 @@ struct sdhci_host { int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ + phys_addr_t mapbase; /* physical address base */ char *bounce_buffer; /* For packing SDMA reads/writes */ dma_addr_t bounce_addr; unsigned int bounce_buffer_size; @@ -511,7 +515,6 @@ struct sdhci_host { #define SDHCI_AUTO_CMD12 (1<<6) /* Auto CMD12 support */ #define SDHCI_AUTO_CMD23 (1<<7) /* Auto CMD23 support */ #define SDHCI_PV_ENABLED (1<<8) /* Preset value enabled */ -#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 */ @@ -533,6 +536,7 @@ struct sdhci_host { bool pending_reset; /* Cmd/data reset is pending */ bool irq_wake_enabled; /* IRQ wakeup is enabled */ bool v4_mode; /* Host Version 4 Enable */ + bool use_external_dma; /* Host selects to use external DMA */ struct mmc_request *mrqs_done[SDHCI_MAX_MRQS]; /* Requests done */ struct mmc_command *cmd; /* Current command */ @@ -554,7 +558,8 @@ struct sdhci_host { dma_addr_t adma_addr; /* Mapped ADMA descr. table */ dma_addr_t align_addr; /* Mapped bounce buffer */ - unsigned int desc_sz; /* ADMA descriptor size */ + unsigned int desc_sz; /* ADMA current descriptor size */ + unsigned int alloc_desc_sz; /* ADMA descr. max size host supports */ struct workqueue_struct *complete_wq; /* Request completion wq */ struct work_struct complete_work; /* Request completion work */ @@ -562,6 +567,11 @@ struct sdhci_host { struct timer_list timer; /* Timer for timeouts */ struct timer_list data_timer; /* Timer for data timeouts */ +#if IS_ENABLED(CONFIG_MMC_SDHCI_EXTERNAL_DMA) + struct dma_chan *rx_chan; + struct dma_chan *tx_chan; +#endif + u32 caps; /* CAPABILITY_0 */ u32 caps1; /* CAPABILITY_1 */ bool read_caps; /* Capability flags have been read */ @@ -622,6 +632,7 @@ struct sdhci_ops { u32 (*irq)(struct sdhci_host *host, u32 intmask); + int (*set_dma_mask)(struct sdhci_host *host); int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); unsigned int (*get_min_clock)(struct sdhci_host *host); @@ -738,8 +749,8 @@ static inline void *sdhci_priv(struct sdhci_host *host) } void sdhci_card_detect(struct sdhci_host *host); -void __sdhci_read_caps(struct sdhci_host *host, u16 *ver, u32 *caps, - u32 *caps1); +void __sdhci_read_caps(struct sdhci_host *host, const u16 *ver, + const u32 *caps, const u32 *caps1); int sdhci_setup_host(struct sdhci_host *host); void sdhci_cleanup_host(struct sdhci_host *host); int __sdhci_add_host(struct sdhci_host *host); @@ -752,11 +763,6 @@ 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); -} - u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock, unsigned int *actual_clock); void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); @@ -796,5 +802,9 @@ void sdhci_start_tuning(struct sdhci_host *host); void sdhci_end_tuning(struct sdhci_host *host); void sdhci_reset_tuning(struct sdhci_host *host); void sdhci_send_tuning(struct sdhci_host *host, u32 opcode); +void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode); +void sdhci_switch_external_dma(struct sdhci_host *host, bool en); +void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable); +void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd); #endif /* __SDHCI_HW_H */ |