diff options
Diffstat (limited to 'freebsd/sys/dev/sdhci/sdhci.h')
| -rw-r--r-- | freebsd/sys/dev/sdhci/sdhci.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/freebsd/sys/dev/sdhci/sdhci.h b/freebsd/sys/dev/sdhci/sdhci.h index a22e0235..4c4c2745 100644 --- a/freebsd/sys/dev/sdhci/sdhci.h +++ b/freebsd/sys/dev/sdhci/sdhci.h @@ -32,8 +32,8 @@ #include <rtems/bsd/local/opt_mmccam.h> -#define DMA_BLOCK_SIZE 4096 -#define DMA_BOUNDARY 0 /* DMA reload every 4K */ +/* Macro for sizing the SDMA bounce buffer on the SDMA buffer boundary. */ +#define SDHCI_SDMA_BNDRY_TO_BBUFSZ(bndry) (4096 * (1 << bndry)) /* Controller doesn't honor resets unless we touch the clock register */ #define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1 << 0) @@ -95,6 +95,8 @@ #define SDHCI_QUIRK_BROKEN_AUTO_STOP (1 << 28) /* Controller supports eMMC HS400 mode if SDHCI_CAN_SDR104 is set. */ #define SDHCI_QUIRK_MMC_HS400_IF_CAN_SDR104 (1 << 29) +/* SDMA boundary in SDHCI_BLOCK_SIZE broken - use front-end supplied value. */ +#define SDHCI_QUIRK_BROKEN_SDMA_BOUNDARY (1 << 30) /* * Controller registers @@ -102,6 +104,14 @@ #define SDHCI_DMA_ADDRESS 0x00 #define SDHCI_BLOCK_SIZE 0x04 +#define SDHCI_BLKSZ_SDMA_BNDRY_4K 0x00 +#define SDHCI_BLKSZ_SDMA_BNDRY_8K 0x01 +#define SDHCI_BLKSZ_SDMA_BNDRY_16K 0x02 +#define SDHCI_BLKSZ_SDMA_BNDRY_32K 0x03 +#define SDHCI_BLKSZ_SDMA_BNDRY_64K 0x04 +#define SDHCI_BLKSZ_SDMA_BNDRY_128K 0x05 +#define SDHCI_BLKSZ_SDMA_BNDRY_256K 0x06 +#define SDHCI_BLKSZ_SDMA_BNDRY_512K 0x07 #define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF)) #define SDHCI_BLOCK_COUNT 0x06 @@ -362,6 +372,8 @@ struct sdhci_slot { bus_dmamap_t dmamap; u_char *dmamem; bus_addr_t paddr; /* DMA buffer address */ + uint32_t sdma_bbufsz; /* SDMA bounce buffer size */ + uint8_t sdma_boundary; /* SDMA boundary */ struct task card_task; /* Card presence check task */ struct timeout_task card_delayed_task;/* Card insert delayed task */ @@ -434,4 +446,9 @@ bool sdhci_generic_get_card_present(device_t brdev, struct sdhci_slot *slot); void sdhci_generic_set_uhs_timing(device_t brdev, struct sdhci_slot *slot); void sdhci_handle_card_present(struct sdhci_slot *slot, bool is_present); +#define SDHCI_VERSION 2 + +#define SDHCI_DEPEND(name) \ + MODULE_DEPEND(name, sdhci, SDHCI_VERSION, SDHCI_VERSION, SDHCI_VERSION); + #endif /* __SDHCI_H__ */ |