Merge "Use VSC to set the link priority for Unisoc BT chip" (17d6fef2) · Commits · e / os / android_packages_modules_Bluetooth

system/stack/include/hcidefs.h

+9 −0

Original line number	Diff line number	Diff line
		@@ -912,6 +912,9 @@ typedef struct {
		// TODO Remove this once all QTI specific hacks are removed.
		#define LMP_COMPID_QTI 0x001D

		// TODO Remove this once all UNISOC specific hacks are removed.
		#define LMP_COMPID_UNISOC 0x073F

		/* Parameter information for HCI_SYNA_SET_ACL_PRIORITY */
		#define HCI_SYNA_ACL_PRIORITY_PARAM_SIZE 3
		#define HCI_SYNA_ACL_NORMAL_PRIORITY 0xF0
		@@ -919,6 +922,12 @@ typedef struct {
		#define HCI_SYNA_ACL_HIGH_PRIORITY_LOW_LATENCY 0xF3
		#define HCI_SYNA_SET_ACL_PRIORITY (0x0057 \| HCI_GRP_VENDOR_SPECIFIC)

		/* Parameter information for HCI_UNISOC_SET_ACL_PRIORITY */
		#define HCI_UNISOC_ACL_PRIORITY_PARAM_SIZE 3
		#define HCI_UNISOC_SET_ACL_PRIORITY (0x0057 \| HCI_GRP_VENDOR_SPECIFIC)
		#define HCI_UNISOC_ACL_NORMAL_PRIORITY 0x00
		#define HCI_UNISOC_ACL_HIGH_PRIORITY 0xFF

		/*
		* Define packet size
		*/

+36 −0

Original line number	Diff line number	Diff line
		@@ -2313,6 +2313,38 @@ static void l2cu_set_acl_priority_latency_syna(tL2C_LCB* p_lcb,
		HCI_SYNA_ACL_PRIORITY_PARAM_SIZE, command, NULL);
		}

		/*******************************************************************************
		*
		* Function l2cu_set_acl_priority_unisoc
		*
		* Description Sends a VSC to set the ACL priority on Unisoc chip.
		*
		* Returns void
		*
		******************************************************************************/

		static void l2cu_set_acl_priority_unisoc(tL2C_LCB* p_lcb,
		tL2CAP_PRIORITY priority) {
		uint8_t vs_param;
		if (priority == L2CAP_PRIORITY_HIGH) {
		// priority to high
		LOG_INFO("Set ACL priority: High Priority Mode");
		vs_param = HCI_UNISOC_ACL_HIGH_PRIORITY;
		} else {
		// priority to normal
		LOG_INFO("Set ACL priority: Normal Mode");
		vs_param = HCI_UNISOC_ACL_NORMAL_PRIORITY;
		}

		uint8_t command[HCI_UNISOC_ACL_PRIORITY_PARAM_SIZE];
		uint8_t* pp = command;
		UINT16_TO_STREAM(pp, p_lcb->Handle());
		UINT8_TO_STREAM(pp, vs_param);

		BTM_VendorSpecificCommand(HCI_UNISOC_SET_ACL_PRIORITY,
		HCI_UNISOC_ACL_PRIORITY_PARAM_SIZE, command, NULL);
		}

		/*******************************************************************************
		*
		* Function l2cu_set_acl_priority
		@@ -2353,6 +2385,10 @@ bool l2cu_set_acl_priority(const RawAddress& bd_addr, tL2CAP_PRIORITY priority,
		l2cu_set_acl_priority_latency_syna(p_lcb, priority);
		break;

		case LMP_COMPID_UNISOC:
		l2cu_set_acl_priority_unisoc(p_lcb, priority);
		break;

		default:
		/* Not supported/required for other vendors */
		break;