From 925ff3a7a334b3fe968ae15f07d22df21addad26 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 29 Nov 2016 12:09:16 +0200 Subject: mmc: mmc: Add Command Queue definitions Add definitions relating to Command Queuing. Signed-off-by: Adrian Hunter Reviewed-by: Linus Walleij Signed-off-by: Ulf Hansson --- include/linux/mmc/card.h | 2 ++ include/linux/mmc/mmc.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) (limited to 'include/linux/mmc') diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index e49a3ff..95d69d4 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -89,6 +89,8 @@ struct mmc_ext_csd { unsigned int boot_ro_lock; /* ro lock support */ bool boot_ro_lockable; bool ffu_capable; /* Firmware upgrade support */ + bool cmdq_support; /* Command Queue supported */ + unsigned int cmdq_depth; /* Command Queue depth */ #define MMC_FIRMWARE_LEN 8 u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */ u8 raw_exception_status; /* 54 */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index c376209..672730a 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -84,6 +84,13 @@ #define MMC_APP_CMD 55 /* ac [31:16] RCA R1 */ #define MMC_GEN_CMD 56 /* adtc [0] RD/WR R1 */ + /* class 11 */ +#define MMC_QUE_TASK_PARAMS 44 /* ac [20:16] task id R1 */ +#define MMC_QUE_TASK_ADDR 45 /* ac [31:0] data addr R1 */ +#define MMC_EXECUTE_READ_TASK 46 /* adtc [20:16] task id R1 */ +#define MMC_EXECUTE_WRITE_TASK 47 /* adtc [20:16] task id R1 */ +#define MMC_CMDQ_TASK_MGMT 48 /* ac [20:16] task id R1b */ + static inline bool mmc_op_multi(u32 opcode) { return opcode == MMC_WRITE_MULTIPLE_BLOCK || @@ -272,6 +279,7 @@ struct _mmc_csd { * EXT_CSD fields */ +#define EXT_CSD_CMDQ_MODE_EN 15 /* R/W */ #define EXT_CSD_FLUSH_CACHE 32 /* W */ #define EXT_CSD_CACHE_CTRL 33 /* R/W */ #define EXT_CSD_POWER_OFF_NOTIFICATION 34 /* R/W */ @@ -331,6 +339,8 @@ struct _mmc_csd { #define EXT_CSD_CACHE_SIZE 249 /* RO, 4 bytes */ #define EXT_CSD_PWR_CL_DDR_200_360 253 /* RO */ #define EXT_CSD_FIRMWARE_VERSION 254 /* RO, 8 bytes */ +#define EXT_CSD_CMDQ_DEPTH 307 /* RO */ +#define EXT_CSD_CMDQ_SUPPORT 308 /* RO */ #define EXT_CSD_SUPPORTED_MODE 493 /* RO */ #define EXT_CSD_TAG_UNIT_SIZE 498 /* RO */ #define EXT_CSD_DATA_TAG_SUPPORT 499 /* RO */ @@ -438,6 +448,13 @@ struct _mmc_csd { #define EXT_CSD_MANUAL_BKOPS_MASK 0x01 /* + * Command Queue + */ +#define EXT_CSD_CMDQ_MODE_ENABLED BIT(0) +#define EXT_CSD_CMDQ_DEPTH_MASK GENMASK(4, 0) +#define EXT_CSD_CMDQ_SUPPORTED BIT(0) + +/* * MMC_SWITCH access modes */ -- cgit v1.1