diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 120 |
1 files changed, 93 insertions, 27 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 5894bf912f7b..68f09a955a90 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -10,12 +10,14 @@ #include <linux/sched.h> #include <linux/device.h> #include <linux/fault-inject.h> +#include <linux/debugfs.h> #include <linux/mmc/core.h> #include <linux/mmc/card.h> #include <linux/mmc/pm.h> #include <linux/dma-direction.h> #include <linux/blk-crypto-profile.h> +#include <linux/mmc/sd_uhs2.h> struct mmc_ios { unsigned int clock; /* clock rate */ @@ -63,6 +65,10 @@ 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) */ @@ -70,6 +76,9 @@ struct mmc_ios { #define MMC_SIGNAL_VOLTAGE_180 1 #define MMC_SIGNAL_VOLTAGE_120 2 + unsigned char vqmmc2_voltage; +#define MMC_VQMMC2_VOLTAGE_180 0 + unsigned char drv_type; /* driver type (A, B, C, D) */ #define MMC_SET_DRIVER_TYPE_B 0 @@ -91,6 +100,43 @@ struct mmc_clk_phase_map { struct mmc_clk_phase phase[MMC_NUM_CLK_PHASES]; }; +struct sd_uhs2_caps { + u32 dap; + u32 gap; + u32 group_desc; + u32 maxblk_len; + u32 n_fcu; + u8 n_lanes; + u8 addr64; + u8 card_type; + u8 phy_rev; + u8 speed_range; + u8 n_lss_sync; + u8 n_lss_dir; + u8 link_rev; + u8 host_type; + u8 n_data_gap; + + u32 maxblk_len_set; + u32 n_fcu_set; + u8 n_lanes_set; + u8 n_lss_sync_set; + u8 n_lss_dir_set; + u8 n_data_gap_set; + u8 max_retry_set; +}; + +enum sd_uhs2_operation { + UHS2_PHY_INIT = 0, + UHS2_SET_CONFIG, + UHS2_ENABLE_INT, + UHS2_DISABLE_INT, + UHS2_ENABLE_CLK, + UHS2_DISABLE_CLK, + UHS2_CHECK_DORMANT, + UHS2_SET_IOS, +}; + struct mmc_host; enum mmc_err_stat { @@ -218,6 +264,14 @@ 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 { @@ -264,16 +318,6 @@ struct mmc_cqe_ops { void (*cqe_recovery_finish)(struct mmc_host *host); }; -struct mmc_async_req { - /* active mmc request */ - struct mmc_request *mrq; - /* - * Check error status of completed mmc request. - * Returns 0 if success otherwise non zero. - */ - enum mmc_blk_status (*err_check)(struct mmc_card *, struct mmc_async_req *); -}; - /** * struct mmc_slot - MMC slot functions * @@ -291,26 +335,13 @@ 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 - */ -struct mmc_context_info { - bool is_done_rcv; - bool is_new_req; - bool is_waiting_last_req; - wait_queue_head_t wait; -}; - struct regulator; struct mmc_pwrseq; struct mmc_supply { struct regulator *vmmc; /* Card power supply */ struct regulator *vqmmc; /* Optional Vccq supply */ + struct regulator *vqmmc2; /* Optional supply for phy */ }; struct mmc_ctx { @@ -402,6 +433,7 @@ 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 */ @@ -428,13 +460,17 @@ struct mmc_host { #endif #define MMC_CAP2_ALT_GPT_TEGRA (1 << 28) /* Host with eMMC that has GPT entry at a non-standard location */ + bool uhs2_sd_tran; /* UHS-II flag for SD_TRAN state */ + bool uhs2_app_cmd; /* UHS-II flag for APP command */ + 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 */ /* host specific block data */ - unsigned int max_seg_size; /* see blk_queue_max_segment_size */ - unsigned short max_segs; /* see blk_queue_max_segments */ + unsigned int max_seg_size; /* lim->max_segment_size */ + unsigned short max_segs; /* lim->max_segments */ unsigned short unused; unsigned int max_req_size; /* maximum number of bytes in one req */ unsigned int max_blk_size; /* maximum size of one mmc block */ @@ -554,6 +590,14 @@ static inline struct mmc_host *mmc_from_priv(void *priv) return container_of(priv, struct mmc_host, private); } +#ifdef CONFIG_MMC_CRYPTO +static inline struct mmc_host * +mmc_from_crypto_profile(struct blk_crypto_profile *profile) +{ + return container_of(profile, struct mmc_host, crypto_profile); +} +#endif + #define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) #define mmc_dev(x) ((x)->parent) @@ -590,6 +634,7 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, unsigned short vdd_bit); int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios); +int mmc_regulator_set_vqmmc2(struct mmc_host *mmc, struct mmc_ios *ios); #else static inline int mmc_regulator_set_ocr(struct mmc_host *mmc, struct regulator *supply, @@ -603,6 +648,12 @@ static inline int mmc_regulator_set_vqmmc(struct mmc_host *mmc, { return -EINVAL; } + +static inline int mmc_regulator_set_vqmmc2(struct mmc_host *mmc, + struct mmc_ios *ios) +{ + return -EINVAL; +} #endif int mmc_regulator_get_supply(struct mmc_host *mmc); @@ -638,6 +689,14 @@ static inline int mmc_card_uhs(struct mmc_card *card) card->host->ios.timing <= MMC_TIMING_UHS_DDR50; } +static inline bool mmc_card_uhs2(struct mmc_host *host) +{ + return host->ios.timing == MMC_TIMING_UHS2_SPEED_A || + host->ios.timing == MMC_TIMING_UHS2_SPEED_A_HD || + host->ios.timing == MMC_TIMING_UHS2_SPEED_B || + host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD; +} + void mmc_retune_timer_stop(struct mmc_host *host); static inline void mmc_retune_needed(struct mmc_host *host) @@ -672,7 +731,14 @@ static inline void mmc_debugfs_err_stats_inc(struct mmc_host *host, host->err_stats[stat] += 1; } -int mmc_sd_switch(struct mmc_card *card, int mode, int group, u8 value, u8 *resp); +static inline int mmc_card_uhs2_hd_mode(struct mmc_host *host) +{ + return host->ios.timing == MMC_TIMING_UHS2_SPEED_A_HD || + host->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD; +} + +int mmc_sd_switch(struct mmc_card *card, bool mode, int group, + u8 value, u8 *resp); int mmc_send_status(struct mmc_card *card, u32 *status); int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); int mmc_send_abort_tuning(struct mmc_host *host, u32 opcode); |