mfd: cros_ec: Add Smart Battery Firmware update API (77c48c76) · Commits · 戴 / test

include/linux/mfd/cros_ec_commands.h

+73 −0

Original line number	Diff line number	Diff line
		@@ -4243,6 +4243,79 @@ struct ec_response_battery_vendor_param {
		uint32_t value;
		} __ec_align4;

		/*****************************************************************************/
		/*
		* Smart Battery Firmware Update Commands
		*/
		#define EC_CMD_SB_FW_UPDATE 0x00B5

		enum ec_sb_fw_update_subcmd {
		EC_SB_FW_UPDATE_PREPARE = 0x0,
		EC_SB_FW_UPDATE_INFO = 0x1, /query sb info /
		EC_SB_FW_UPDATE_BEGIN = 0x2, /check if protected /
		EC_SB_FW_UPDATE_WRITE = 0x3, /check if protected /
		EC_SB_FW_UPDATE_END = 0x4,
		EC_SB_FW_UPDATE_STATUS = 0x5,
		EC_SB_FW_UPDATE_PROTECT = 0x6,
		EC_SB_FW_UPDATE_MAX = 0x7,
		};

		#define SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE 32
		#define SB_FW_UPDATE_CMD_STATUS_SIZE 2
		#define SB_FW_UPDATE_CMD_INFO_SIZE 8

		struct ec_sb_fw_update_header {
		uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */
		uint16_t fw_id; /* firmware id */
		} __ec_align4;

		struct ec_params_sb_fw_update {
		struct ec_sb_fw_update_header hdr;
		union {
		/* EC_SB_FW_UPDATE_PREPARE = 0x0 */
		/* EC_SB_FW_UPDATE_INFO = 0x1 */
		/* EC_SB_FW_UPDATE_BEGIN = 0x2 */
		/* EC_SB_FW_UPDATE_END = 0x4 */
		/* EC_SB_FW_UPDATE_STATUS = 0x5 */
		/* EC_SB_FW_UPDATE_PROTECT = 0x6 */
		/* Those have no args */

		/* EC_SB_FW_UPDATE_WRITE = 0x3 */
		struct __ec_align4 {
		uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE];
		} write;
		};
		} __ec_align4;

		struct ec_response_sb_fw_update {
		union {
		/* EC_SB_FW_UPDATE_INFO = 0x1 */
		struct __ec_align1 {
		uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE];
		} info;

		/* EC_SB_FW_UPDATE_STATUS = 0x5 */
		struct __ec_align1 {
		uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE];
		} status;
		};
		} __ec_align1;

		/*
		* Entering Verified Boot Mode Command
		* Default mode is VBOOT_MODE_NORMAL if EC did not receive this command.
		* Valid Modes are: normal, developer, and recovery.
		*/
		#define EC_CMD_ENTERING_MODE 0x00B6

		struct ec_params_entering_mode {
		int vboot_mode;
		} __ec_align4;

		#define VBOOT_MODE_NORMAL 0
		#define VBOOT_MODE_DEVELOPER 1
		#define VBOOT_MODE_RECOVERY 2

		/*****************************************************************************/
		/*
		* HDMI CEC commands

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