Merge "ipc: add audio apr virtualization support" (1f03ebdb) · Commits · e / devices / android_kernel_fairphone_FP5

include/ipc/apr.h

+5 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2010-2017, The Linux Foundation. All rights reserved.
		* Copyright (c) 2010-2017, 2019, The Linux Foundation. All rights reserved.
		*/
		#ifndef __APR_H_
		#define __APR_H_
		@@ -129,6 +129,10 @@ struct apr_svc {
		struct mutex m_lock;
		spinlock_t w_lock;
		uint8_t pkt_owner;
		#ifdef CONFIG_MSM_QDSP6_APRV2_VM
		uint16_t vm_dest_svc;
		uint32_t vm_handle;
		#endif
		};

		struct apr_client {

include/ipc/aprv2_vm.h

0 → 100644

+108 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2016-2017, 2019 The Linux Foundation. All rights reserved.
		*/
		#ifndef __APRV2_VM_H__
		#define __APRV2_VM_H__

		#define APRV2_VM_MAX_DNS_SIZE (31)
		/* Includes NULL character. */
		#define APRV2_VM_PKT_SERVICE_ID_MASK (0x00FF)
		/* Bitmask of the service ID field. */

		/* Packet Structure Definition */
		struct aprv2_vm_packet_t {
		uint32_t header;
		uint16_t src_addr;
		uint16_t src_port;
		uint16_t dst_addr;
		uint16_t dst_port;
		uint32_t token;
		uint32_t opcode;
		};

		/**
		* In order to send command/event via MM HAB, the following buffer
		* format shall be followed, where the buffer is provided to the
		* HAB send API.
		* \|-----cmd_id or evt_id -----\| <- 32 bit, e.g. APRV2_VM_CMDID_REGISTER
		* \|-----cmd payload ----------\| e.g. aprv2_vm_cmd_register_t
		* \| ... \|
		*
		* In order to receive a command response or event ack, the following
		* buffer format shall be followed, where the buffer is provided to
		* the HAB receive API.
		* \|-----cmd response ---------\| e.g. aprv2_vm_cmd_register_rsp_t
		* \| ... \|
		*/

		/* Registers a service with the backend APR driver. */
		#define APRV2_VM_CMDID_REGISTER (0x00000001)

		struct aprv2_vm_cmd_register_t {
		uint32_t name_size;
		/*< The service name string size in bytes. /
		char name[APRV2_VM_MAX_DNS_SIZE];
		/**<
		* The service name string to register.
		*
		* A NULL name means the service does not have a name.
		*/
		uint16_t addr;
		/**<
		* The address to register.
		*
		* A zero value means to auto-generate a free dynamic address.
		* A non-zero value means to directly use the statically assigned address.
		*/
		};

		struct aprv2_vm_cmd_register_rsp_t {
		int32_t status;
		/*< The status of registration. /
		uint32_t handle;
		/*< The registered service handle. /
		uint16_t addr;
		/*< The actual registered address. /
		};

		#define APRV2_VM_CMDID_DEREGISTER (0x00000002)

		struct aprv2_vm_cmd_deregister_t {
		uint32_t handle;
		/*< The registered service handle. /
		};

		struct aprv2_vm_cmd_deregister_rsp_t {
		int32_t status;
		/*< The status of de-registration. /
		};

		#define APRV2_VM_CMDID_ASYNC_SEND (0x00000003)

		struct aprv2_vm_cmd_async_send_t {
		uint32_t handle;
		/*< The registered service handle. /
		struct aprv2_vm_packet_t pkt_header;
		/*< The packet header. /
		/* The apr packet payload follows */
		};

		struct aprv2_vm_cmd_async_send_rsp_t {
		int32_t status;
		/*< The status of send. /
		};

		#define APRV2_VM_EVT_RX_PKT_AVAILABLE (0x00000004)

		struct aprv2_vm_evt_rx_pkt_available_t {
		struct aprv2_vm_packet_t pkt_header;
		/*< The packet header. /
		/* The apr packet payload follows */
		};

		struct aprv2_vm_ack_rx_pkt_available_t {
		int32_t status;
		};

		#endif /* __APRV2_VM_H__ */

ipc/Kbuild

+6 −0

Original line number	Diff line number	Diff line
		@@ -89,6 +89,11 @@ APRV_GLINK += apr_v3.o
		APRV_GLINK += apr_tal_rpmsg.o
		endif

		ifdef CONFIG_MSM_QDSP6_APRV2_VM
		APRV_GLINK += apr_vm.o
		APRV_GLINK += apr_v2.o
		endif

		ifdef CONFIG_WCD_DSP_GLINK
		WDSP_GLINK += wcd-dsp-glink.o
		endif
		@@ -147,6 +152,7 @@ endif
		# Module information used by KBuild framework
		obj-$(CONFIG_MSM_QDSP6_APRV2_RPMSG) += apr_dlkm.o
		obj-$(CONFIG_MSM_QDSP6_APRV3_RPMSG) += apr_dlkm.o
		obj-$(CONFIG_MSM_QDSP6_APRV2_VM) += apr_dlkm.o
		apr_dlkm-y := $(APRV_GLINK)

		obj-$(CONFIG_WCD_DSP_GLINK) += wglink_dlkm.o

ipc/apr_vm.c

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+1477 −0

File added.

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