1 /*	$NetBSD: amdgpu_vce.h,v 1.3 2021/12/18 23:44:58 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2014 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  */
25 
26 #ifndef __AMDGPU_VCE_H__
27 #define __AMDGPU_VCE_H__
28 
29 #define AMDGPU_MAX_VCE_HANDLES	16
30 #define AMDGPU_VCE_FIRMWARE_OFFSET 256
31 
32 #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
33 #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
34 
35 #define AMDGPU_VCE_FW_53_45	((53 << 24) | (45 << 16))
36 
37 struct amdgpu_vce {
38 	struct amdgpu_bo	*vcpu_bo;
39 	uint64_t		gpu_addr;
40 	void			*cpu_addr;
41 	void			*saved_bo;
42 	unsigned		fw_version;
43 	unsigned		fb_version;
44 	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];
45 	struct drm_file		*filp[AMDGPU_MAX_VCE_HANDLES];
46 	uint32_t		img_size[AMDGPU_MAX_VCE_HANDLES];
47 	struct delayed_work	idle_work;
48 	struct mutex		idle_mutex;
49 	const struct firmware	*fw;	/* VCE firmware */
50 	struct amdgpu_ring	ring[AMDGPU_MAX_VCE_RINGS];
51 	struct amdgpu_irq_src	irq;
52 	unsigned		harvest_config;
53 	struct drm_sched_entity	entity;
54 	uint32_t                srbm_soft_reset;
55 	unsigned		num_rings;
56 };
57 
58 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size);
59 int amdgpu_vce_sw_fini(struct amdgpu_device *adev);
60 int amdgpu_vce_entity_init(struct amdgpu_device *adev);
61 int amdgpu_vce_suspend(struct amdgpu_device *adev);
62 int amdgpu_vce_resume(struct amdgpu_device *adev);
63 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp);
64 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx);
65 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx);
66 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
67 				struct amdgpu_ib *ib, uint32_t flags);
68 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
69 				unsigned flags);
70 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring);
71 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout);
72 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring);
73 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring);
74 unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring);
75 unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring);
76 
77 #endif
78