1  /*
2   * Copyright 2014 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_VCE_H__
25  #define __AMDGPU_VCE_H__
26  
27  #define AMDGPU_MAX_VCE_HANDLES	16
28  #define AMDGPU_VCE_FIRMWARE_OFFSET 256
29  
30  #define AMDGPU_VCE_HARVEST_VCE0 (1 << 0)
31  #define AMDGPU_VCE_HARVEST_VCE1 (1 << 1)
32  
33  #define AMDGPU_VCE_FW_53_45	((53 << 24) | (45 << 16))
34  
35  struct amdgpu_vce {
36  	struct amdgpu_bo	*vcpu_bo;
37  	uint64_t		gpu_addr;
38  	void			*cpu_addr;
39  	void			*saved_bo;
40  	unsigned		fw_version;
41  	unsigned		fb_version;
42  	atomic_t		handles[AMDGPU_MAX_VCE_HANDLES];
43  	struct drm_file		*filp[AMDGPU_MAX_VCE_HANDLES];
44  	uint32_t		img_size[AMDGPU_MAX_VCE_HANDLES];
45  	struct delayed_work	idle_work;
46  	struct mutex		idle_mutex;
47  	const struct firmware	*fw;	/* VCE firmware */
48  	struct amdgpu_ring	ring[AMDGPU_MAX_VCE_RINGS];
49  	struct amdgpu_irq_src	irq;
50  	unsigned		harvest_config;
51  	struct drm_sched_entity	entity;
52  	uint32_t                srbm_soft_reset;
53  	unsigned		num_rings;
54  };
55  
56  int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size);
57  int amdgpu_vce_sw_fini(struct amdgpu_device *adev);
58  int amdgpu_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring);
59  int amdgpu_vce_suspend(struct amdgpu_device *adev);
60  int amdgpu_vce_resume(struct amdgpu_device *adev);
61  void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp);
62  int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
63  			     struct amdgpu_ib *ib);
64  int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p,
65  				struct amdgpu_job *job,
66  				struct amdgpu_ib *ib);
67  void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_job *job,
68  				struct amdgpu_ib *ib, uint32_t flags);
69  void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
70  				unsigned flags);
71  int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring);
72  int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout);
73  void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring);
74  void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring);
75  unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring);
76  unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring);
77  enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring);
78  
79  #endif
80