xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2014 Advanced Micro Devices, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun  * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun  * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun  * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun  * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun  * all copies or substantial portions of the Software.
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*4882a593Smuzhiyun  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4882a593Smuzhiyun  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4882a593Smuzhiyun  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4882a593Smuzhiyun  * OTHER DEALINGS IN THE SOFTWARE.
21*4882a593Smuzhiyun  *
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifndef __AMDGPU_UVD_H__
25*4882a593Smuzhiyun #define __AMDGPU_UVD_H__
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #define AMDGPU_DEFAULT_UVD_HANDLES	10
28*4882a593Smuzhiyun #define AMDGPU_MAX_UVD_HANDLES		40
29*4882a593Smuzhiyun #define AMDGPU_UVD_STACK_SIZE		(200*1024)
30*4882a593Smuzhiyun #define AMDGPU_UVD_HEAP_SIZE		(256*1024)
31*4882a593Smuzhiyun #define AMDGPU_UVD_SESSION_SIZE		(50*1024)
32*4882a593Smuzhiyun #define AMDGPU_UVD_FIRMWARE_OFFSET	256
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define AMDGPU_MAX_UVD_INSTANCES			2
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #define AMDGPU_UVD_FIRMWARE_SIZE(adev)    \
37*4882a593Smuzhiyun 	(AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(((const struct common_firmware_header *)(adev)->uvd.fw->data)->ucode_size_bytes) + \
38*4882a593Smuzhiyun 			       8) - AMDGPU_UVD_FIRMWARE_OFFSET)
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun struct amdgpu_uvd_inst {
41*4882a593Smuzhiyun 	struct amdgpu_bo	*vcpu_bo;
42*4882a593Smuzhiyun 	void			*cpu_addr;
43*4882a593Smuzhiyun 	uint64_t		gpu_addr;
44*4882a593Smuzhiyun 	void			*saved_bo;
45*4882a593Smuzhiyun 	struct amdgpu_ring	ring;
46*4882a593Smuzhiyun 	struct amdgpu_ring	ring_enc[AMDGPU_MAX_UVD_ENC_RINGS];
47*4882a593Smuzhiyun 	struct amdgpu_irq_src	irq;
48*4882a593Smuzhiyun 	uint32_t                srbm_soft_reset;
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #define AMDGPU_UVD_HARVEST_UVD0 (1 << 0)
52*4882a593Smuzhiyun #define AMDGPU_UVD_HARVEST_UVD1 (1 << 1)
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun struct amdgpu_uvd {
55*4882a593Smuzhiyun 	const struct firmware	*fw;	/* UVD firmware */
56*4882a593Smuzhiyun 	unsigned		fw_version;
57*4882a593Smuzhiyun 	unsigned		max_handles;
58*4882a593Smuzhiyun 	unsigned		num_enc_rings;
59*4882a593Smuzhiyun 	uint8_t			num_uvd_inst;
60*4882a593Smuzhiyun 	bool			address_64_bit;
61*4882a593Smuzhiyun 	bool			use_ctx_buf;
62*4882a593Smuzhiyun 	struct amdgpu_uvd_inst	inst[AMDGPU_MAX_UVD_INSTANCES];
63*4882a593Smuzhiyun 	struct drm_file		*filp[AMDGPU_MAX_UVD_HANDLES];
64*4882a593Smuzhiyun 	atomic_t		handles[AMDGPU_MAX_UVD_HANDLES];
65*4882a593Smuzhiyun 	struct drm_sched_entity entity;
66*4882a593Smuzhiyun 	struct delayed_work	idle_work;
67*4882a593Smuzhiyun 	unsigned		harvest_config;
68*4882a593Smuzhiyun 	/* store image width to adjust nb memory state */
69*4882a593Smuzhiyun 	unsigned		decode_image_width;
70*4882a593Smuzhiyun 	uint32_t                keyselect;
71*4882a593Smuzhiyun };
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
74*4882a593Smuzhiyun int amdgpu_uvd_sw_fini(struct amdgpu_device *adev);
75*4882a593Smuzhiyun int amdgpu_uvd_entity_init(struct amdgpu_device *adev);
76*4882a593Smuzhiyun int amdgpu_uvd_suspend(struct amdgpu_device *adev);
77*4882a593Smuzhiyun int amdgpu_uvd_resume(struct amdgpu_device *adev);
78*4882a593Smuzhiyun int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
79*4882a593Smuzhiyun 			      struct dma_fence **fence);
80*4882a593Smuzhiyun int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
81*4882a593Smuzhiyun 			       bool direct, struct dma_fence **fence);
82*4882a593Smuzhiyun void amdgpu_uvd_free_handles(struct amdgpu_device *adev,
83*4882a593Smuzhiyun 			     struct drm_file *filp);
84*4882a593Smuzhiyun int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx);
85*4882a593Smuzhiyun void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring);
86*4882a593Smuzhiyun void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring);
87*4882a593Smuzhiyun int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout);
88*4882a593Smuzhiyun uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev);
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun #endif
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