/*
* Copyright 2016 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __AMDGPU_VCN_H__
#define __AMDGPU_VCN_H__
#define AMDGPU_VCN_STACK_SIZE (200*1024)
#define AMDGPU_VCN_HEAP_SIZE (256*1024)
#define AMDGPU_VCN_SESSION_SIZE (50*1024)
#define AMDGPU_VCN_FIRMWARE_OFFSET 256
#define AMDGPU_VCN_MAX_ENC_RINGS 3
#define VCN_DEC_CMD_FENCE 0x00000000
#define VCN_DEC_CMD_TRAP 0x00000001
#define VCN_DEC_CMD_WRITE_REG 0x00000004
#define VCN_DEC_CMD_REG_READ_COND_WAIT 0x00000006
#define VCN_DEC_CMD_PACKET_START 0x0000000a
#define VCN_DEC_CMD_PACKET_END 0x0000000b
struct amdgpu_vcn {
struct amdgpu_bo *vcpu_bo;
void *cpu_addr;
uint64_t gpu_addr;
unsigned fw_version;
void *saved_bo;
struct delayed_work idle_work;
const struct firmware *fw; /* VCN firmware */
struct amdgpu_ring ring_dec;
struct amdgpu_ring ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
struct amdgpu_irq_src irq;
struct amd_sched_entity entity_dec;
struct amd_sched_entity entity_enc;
unsigned num_enc_rings;
};
int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
int amdgpu_vcn_suspend(struct amdgpu_device *adev);
int amdgpu_vcn_resume(struct amdgpu_device *adev);
void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
#endif
