mfd: cros-ec: Introduce CEC commands and events definitions. (f47674e5) · Commits · 戴 / test

include/linux/mfd/cros_ec_commands.h

+81 −0

Original line number	Diff line number	Diff line
		@@ -804,6 +804,8 @@ enum ec_feature_code {
		EC_FEATURE_MOTION_SENSE_FIFO = 24,
		/* EC has RTC feature that can be controlled by host commands */
		EC_FEATURE_RTC = 27,
		/* EC supports CEC commands */
		EC_FEATURE_CEC = 35,
		};

		#define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32))
		@@ -2078,6 +2080,12 @@ enum ec_mkbp_event {
		/* EC sent a sysrq command */
		EC_MKBP_EVENT_SYSRQ = 6,

		/* Notify the AP that something happened on CEC */
		EC_MKBP_EVENT_CEC_EVENT = 8,

		/* Send an incoming CEC message to the AP */
		EC_MKBP_EVENT_CEC_MESSAGE = 9,

		/* Number of MKBP events */
		EC_MKBP_EVENT_COUNT,
		};
		@@ -2845,6 +2853,79 @@ struct ec_params_reboot_ec {
		#define EC_ACPI_MEM_VERSION_CURRENT 1


		/*****************************************************************************/
		/*
		* HDMI CEC commands
		*
		* These commands are for sending and receiving message via HDMI CEC
		*/
		#define EC_MAX_CEC_MSG_LEN 16

		/* CEC message from the AP to be written on the CEC bus */
		#define EC_CMD_CEC_WRITE_MSG 0x00B8

		/**
		* struct ec_params_cec_write - Message to write to the CEC bus
		* @msg: message content to write to the CEC bus
		*/
		struct ec_params_cec_write {
		uint8_t msg[EC_MAX_CEC_MSG_LEN];
		} __packed;

		/* Set various CEC parameters */
		#define EC_CMD_CEC_SET 0x00BA

		/**
		* struct ec_params_cec_set - CEC parameters set
		* @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
		* @val: in case cmd is CEC_CMD_ENABLE, this field can be 0 to disable CEC
		* or 1 to enable CEC functionality, in case cmd is CEC_CMD_LOGICAL_ADDRESS,
		* this field encodes the requested logical address between 0 and 15
		* or 0xff to unregister
		*/
		struct ec_params_cec_set {
		uint8_t cmd; /* enum cec_command */
		uint8_t val;
		} __packed;

		/* Read various CEC parameters */
		#define EC_CMD_CEC_GET 0x00BB

		/**
		* struct ec_params_cec_get - CEC parameters get
		* @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
		*/
		struct ec_params_cec_get {
		uint8_t cmd; /* enum cec_command */
		} __packed;

		/**
		* struct ec_response_cec_get - CEC parameters get response
		* @val: in case cmd was CEC_CMD_ENABLE, this field will 0 if CEC is
		* disabled or 1 if CEC functionality is enabled,
		* in case cmd was CEC_CMD_LOGICAL_ADDRESS, this will encode the
		* configured logical address between 0 and 15 or 0xff if unregistered
		*/
		struct ec_response_cec_get {
		uint8_t val;
		} __packed;

		/* CEC parameters command */
		enum ec_cec_command {
		/* CEC reading, writing and events enable */
		CEC_CMD_ENABLE,
		/* CEC logical address */
		CEC_CMD_LOGICAL_ADDRESS,
		};

		/* Events from CEC to AP */
		enum mkbp_cec_event {
		/* Outgoing message was acknowledged by a follower */
		EC_MKBP_CEC_SEND_OK = BIT(0),
		/* Outgoing message was not acknowledged */
		EC_MKBP_CEC_SEND_FAILED = BIT(1),
		};

		/*****************************************************************************/
		/*
		* Special commands

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