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		(200*1024)
28 #define AMDGPU_VCN_HEAP_SIZE		(256*1024)
29 #define AMDGPU_VCN_SESSION_SIZE		(50*1024)
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 
48 struct amdgpu_vcn {
49 	struct amdgpu_bo	*vcpu_bo;
50 	void			*cpu_addr;
51 	uint64_t		gpu_addr;
52 	unsigned		fw_version;
53 	void			*saved_bo;
54 	struct delayed_work	idle_work;
55 	const struct firmware	*fw;	/* VCN firmware */
56 	struct amdgpu_ring	ring_dec;
57 	struct amdgpu_ring	ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
58 	struct amdgpu_irq_src	irq;
59 	struct amd_sched_entity entity_dec;
60 	struct amd_sched_entity entity_enc;
61 	unsigned		num_enc_rings;
62 };
63 
64 int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
65 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
66 int amdgpu_vcn_suspend(struct amdgpu_device *adev);
67 int amdgpu_vcn_resume(struct amdgpu_device *adev);
68 void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring);
69 void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring);
70 
71 int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring);
72 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
73 
74 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring);
75 int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout);
76 
77 #endif
78