diff options
| author | Victor Shih <victor.shih@genesyslogic.com.tw> | 2024-10-18 18:53:18 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2024-10-24 14:22:24 +0200 |
| commit | 9a9f7e13952b2638bc57bc9b34e6bdd106509836 (patch) | |
| tree | 467adc5b9dd8597b5f0fb9458fcc164f6ac74c30 /include/linux/mmc/host.h | |
| parent | 328bda09cc91b3d93bc64f4a4dadc44313dd8140 (diff) | |
mmc: core: Support UHS-II card control and access
Embed UHS-II access/control functionality into the MMC request
processing flow.
Signed-off-by: Jason Lai <jason.lai@genesyslogic.com.tw>
Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Message-ID: <20241018105333.4569-2-victorshihgli@gmail.com>
[Ulf: A couple of cleanups and fixed sd_uhs2_power_off()]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0980d06ed419..f166d6611ddb 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -127,6 +127,13 @@ struct sd_uhs2_caps { }; 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, }; @@ -453,6 +460,8 @@ struct mmc_host { #endif #define MMC_CAP2_ALT_GPT_TEGRA (1 << 28) /* Host with eMMC that has GPT entry at a non-standard location */ + 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 */ @@ -714,6 +723,12 @@ static inline void mmc_debugfs_err_stats_inc(struct mmc_host *host, host->err_stats[stat] += 1; } +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); |