diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mmc/card.h | 7 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 23 |
2 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index eb67d3d5ff5b..0bb1ad1ea4dc 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -209,6 +209,11 @@ struct sd_ext_reg { #define SD_EXT_PERF_CMD_QUEUE (1<<4) }; +struct sd_uhs2_config { + u32 node_id; + /* TODO: Extend with more register configs. */ +}; + struct sdio_cccr { unsigned int sdio_vsn; unsigned int sd_vsn; @@ -320,6 +325,8 @@ struct mmc_card { struct sd_ext_reg ext_power; /* SD extension reg for PM */ struct sd_ext_reg ext_perf; /* SD extension reg for PERF */ + struct sd_uhs2_config uhs2_config; /* SD UHS-II config */ + unsigned int sdio_funcs; /* number of SDIO functions */ atomic_t sdio_funcs_probed; /* number of probed SDIO funcs */ struct sdio_cccr cccr; /* common card info */ diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 8fc2b328ec4d..e1d380de3aaa 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -64,6 +64,10 @@ struct mmc_ios { #define MMC_TIMING_MMC_HS400 10 #define MMC_TIMING_SD_EXP 11 #define MMC_TIMING_SD_EXP_1_2V 12 +#define MMC_TIMING_UHS2_SPEED_A 13 +#define MMC_TIMING_UHS2_SPEED_A_HD 14 +#define MMC_TIMING_UHS2_SPEED_B 15 +#define MMC_TIMING_UHS2_SPEED_B_HD 16 unsigned char signal_voltage; /* signalling voltage (1.8V or 3.3V) */ @@ -92,6 +96,14 @@ struct mmc_clk_phase_map { struct mmc_clk_phase phase[MMC_NUM_CLK_PHASES]; }; +struct sd_uhs2_caps { + /* TODO: Add UHS-II capabilities for the host. */ +}; + +enum sd_uhs2_operation { + UHS2_SET_IOS, +}; + struct mmc_host; enum mmc_err_stat { @@ -219,6 +231,14 @@ struct mmc_host_ops { /* Initialize an SD express card, mandatory for MMC_CAP2_SD_EXP. */ int (*init_sd_express)(struct mmc_host *host, struct mmc_ios *ios); + + /* + * The uhs2_control callback is used to execute SD UHS-II specific + * operations. It's mandatory to implement for hosts that supports the + * SD UHS-II interface (MMC_CAP2_SD_UHS2). Expected return values are a + * negative errno in case of a failure or zero for success. + */ + int (*uhs2_control)(struct mmc_host *host, enum sd_uhs2_operation op); }; struct mmc_cqe_ops { @@ -379,6 +399,7 @@ struct mmc_host { MMC_CAP2_HS200_1_2V_SDR) #define MMC_CAP2_SD_EXP (1 << 7) /* SD express via PCIe */ #define MMC_CAP2_SD_EXP_1_2V (1 << 8) /* SD express 1.2V */ +#define MMC_CAP2_SD_UHS2 (1 << 9) /* SD UHS-II support */ #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_NO_PRESCAN_POWERUP (1 << 14) /* Don't power up before scan */ @@ -405,6 +426,8 @@ struct mmc_host { #endif #define MMC_CAP2_ALT_GPT_TEGRA (1 << 28) /* Host with eMMC that has GPT entry at a non-standard location */ + struct sd_uhs2_caps uhs2_caps; /* Host UHS-II capabilities */ + int fixed_drv_type; /* fixed driver type for non-removable media */ mmc_pm_flag_t pm_caps; /* supported pm features */ |