tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2016 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef __AMDGPU_VCN_H__
25#define __AMDGPU_VCN_H__
26
27#define AMDGPU_VCN_STACK_SIZE (128*1024)
28#define AMDGPU_VCN_CONTEXT_SIZE (512*1024)
29
30#define AMDGPU_VCN_FIRMWARE_OFFSET 256
31#define AMDGPU_VCN_MAX_ENC_RINGS 3
32
33#define VCN_DEC_CMD_FENCE 0x00000000
34#define VCN_DEC_CMD_TRAP 0x00000001
35#define VCN_DEC_CMD_WRITE_REG 0x00000004
36#define VCN_DEC_CMD_REG_READ_COND_WAIT 0x00000006
37#define VCN_DEC_CMD_PACKET_START 0x0000000a
38#define VCN_DEC_CMD_PACKET_END 0x0000000b
39
40#define VCN_ENC_CMD_NO_OP 0x00000000
41#define VCN_ENC_CMD_END 0x00000001
42#define VCN_ENC_CMD_IB 0x00000002
43#define VCN_ENC_CMD_FENCE 0x00000003
44#define VCN_ENC_CMD_TRAP 0x00000004
45#define VCN_ENC_CMD_REG_WRITE 0x0000000b
46#define VCN_ENC_CMD_REG_WAIT 0x0000000c
47
48enum engine_status_constants {
49 UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
50 UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002,
51 UVD_STATUS__UVD_BUSY = 0x00000004,
52 GB_ADDR_CONFIG_DEFAULT = 0x26010011,
53 UVD_STATUS__IDLE = 0x2,
54 UVD_STATUS__BUSY = 0x5,
55 UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1,
56 UVD_STATUS__RBC_BUSY = 0x1,
57};
58
59enum internal_dpg_state {
60 VCN_DPG_STATE__UNPAUSE = 0,
61 VCN_DPG_STATE__PAUSE,
62};
63
64struct dpg_pause_state {
65 enum internal_dpg_state fw_based;
66 enum internal_dpg_state jpeg;
67};
68
69struct amdgpu_vcn {
70 struct amdgpu_bo *vcpu_bo;
71 void *cpu_addr;
72 uint64_t gpu_addr;
73 unsigned fw_version;
74 void *saved_bo;
75 struct delayed_work idle_work;
76 const struct firmware *fw; /* VCN firmware */
77 struct amdgpu_ring ring_dec;
78 struct amdgpu_ring ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
79 struct amdgpu_ring ring_jpeg;
80 struct amdgpu_irq_src irq;
81 unsigned num_enc_rings;
82 enum amd_powergating_state cur_state;
83 struct dpg_pause_state pause_state;
84};
85
86int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
87int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
88int amdgpu_vcn_suspend(struct amdgpu_device *adev);
89int amdgpu_vcn_resume(struct amdgpu_device *adev);
90void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
91void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
92
93int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
94int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
95
96int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
97int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
98
99int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring);
100int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout);
101
102#endif