greybus: svc: Add support for the link config operation (784f8761) · Commits · 戴 / test

drivers/staging/greybus/greybus_protocols.h

+15 −0

Original line number	Diff line number	Diff line
		@@ -726,6 +726,7 @@ struct gb_spi_transfer_response {
		#define GB_SVC_TYPE_DME_PEER_SET 0x0a
		#define GB_SVC_TYPE_ROUTE_CREATE 0x0b
		#define GB_SVC_TYPE_ROUTE_DESTROY 0x0c
		#define GB_SVC_TYPE_LINK_CONFIG 0x0d

		/*
		* SVC version request/response has the same payload as
		@@ -806,6 +807,20 @@ struct gb_svc_dme_peer_set_response {
		__le16 result_code;
		} __packed;

		#define GB_SVC_LINK_CONFIG_BURST_PWM 0
		#define GB_SVC_LINK_CONFIG_BURST_HS_A 1
		#define GB_SVC_LINK_CONFIG_BURST_HS_B 2
		#define GB_SVC_LINK_CONFIG_FLAG_AUTO_SLEEP (1 << 0)

		struct gb_svc_link_config_request {
		__u8 intf_id;
		__u8 burst;
		__u8 gear;
		__u8 nlanes;
		__u8 flags;
		} __packed;
		/* link config response has no payload */

		/* Attributes for peer get/set operations */
		#define DME_ATTR_SELECTOR_INDEX 0
		#define DME_ATTR_T_TST_SRC_INCREMENT 0x4083

+18 −0

Original line number	Diff line number	Diff line
		@@ -270,6 +270,24 @@ static void gb_svc_route_destroy(struct gb_svc *svc, u8 intf1_id, u8 intf2_id)
		}
		}

		/* Creates bi-directional routes between the devices */
		int gb_svc_link_config(struct gb_svc *svc, u8 intf_id,
		unsigned int burst, unsigned int gear,
		unsigned int nlanes, unsigned int flags)
		{
		struct gb_svc_link_config_request request;

		request.intf_id = intf_id;
		request.burst = burst;
		request.gear = gear;
		request.nlanes = nlanes;
		request.flags = flags;

		return gb_operation_sync(svc->connection, GB_SVC_TYPE_LINK_CONFIG,
		&request, sizeof(request), NULL, 0);
		}
		EXPORT_SYMBOL_GPL(gb_svc_link_config);

		static int gb_svc_version_request(struct gb_operation *op)
		{
		struct gb_connection *connection = op->connection;

+3 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,9 @@ int gb_svc_dme_peer_get(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
		u32 *value);
		int gb_svc_dme_peer_set(struct gb_svc *svc, u8 intf_id, u16 attr, u16 selector,
		u32 value);
		int gb_svc_link_config(struct gb_svc *svc, u8 intf_id, unsigned int burst,
		unsigned int gear, unsigned int nlanes,
		unsigned int flags);

		int gb_svc_protocol_init(void);
		void gb_svc_protocol_exit(void);