1 /*
2  * Copyright 2019 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_JPEG_H__
25 #define __AMDGPU_JPEG_H__
26 
27 #define AMDGPU_MAX_JPEG_INSTANCES	2
28 
29 #define AMDGPU_JPEG_HARVEST_JPEG0 (1 << 0)
30 #define AMDGPU_JPEG_HARVEST_JPEG1 (1 << 1)
31 
32 struct amdgpu_jpeg_reg{
33 	unsigned jpeg_pitch;
34 };
35 
36 struct amdgpu_jpeg_inst {
37 	struct amdgpu_ring ring_dec;
38 	struct amdgpu_irq_src irq;
39 	struct amdgpu_jpeg_reg external;
40 };
41 
42 struct amdgpu_jpeg {
43 	uint8_t	num_jpeg_inst;
44 	struct amdgpu_jpeg_inst inst[AMDGPU_MAX_JPEG_INSTANCES];
45 	struct amdgpu_jpeg_reg internal;
46 	unsigned harvest_config;
47 	struct delayed_work idle_work;
48 	enum amd_powergating_state cur_state;
49 	struct mutex jpeg_pg_lock;
50 	atomic_t total_submission_cnt;
51 };
52 
53 int amdgpu_jpeg_sw_init(struct amdgpu_device *adev);
54 int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev);
55 int amdgpu_jpeg_suspend(struct amdgpu_device *adev);
56 int amdgpu_jpeg_resume(struct amdgpu_device *adev);
57 
58 void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring);
59 void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring);
60 
61 int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring);
62 int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
63 
64 #endif /*__AMDGPU_JPEG_H__*/
65