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amdgpu_jpeg.h revision 1.2 
      1 /*	$NetBSD: amdgpu_jpeg.h,v 1.2 2021/12/18 23:44:58 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2019 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_JPEG_H__
     27 #define __AMDGPU_JPEG_H__
     28 
     29 #define AMDGPU_MAX_JPEG_INSTANCES	2
     30 
     31 #define AMDGPU_JPEG_HARVEST_JPEG0 (1 << 0)
     32 #define AMDGPU_JPEG_HARVEST_JPEG1 (1 << 1)
     33 
     34 struct amdgpu_jpeg_reg{
     35 	unsigned jpeg_pitch;
     36 };
     37 
     38 struct amdgpu_jpeg_inst {
     39 	struct amdgpu_ring ring_dec;
     40 	struct amdgpu_irq_src irq;
     41 	struct amdgpu_jpeg_reg external;
     42 };
     43 
     44 struct amdgpu_jpeg {
     45 	uint8_t	num_jpeg_inst;
     46 	struct amdgpu_jpeg_inst inst[AMDGPU_MAX_JPEG_INSTANCES];
     47 	struct amdgpu_jpeg_reg internal;
     48 	struct drm_gpu_scheduler *jpeg_sched[AMDGPU_MAX_JPEG_INSTANCES];
     49 	uint32_t num_jpeg_sched;
     50 	unsigned harvest_config;
     51 	struct delayed_work idle_work;
     52 	enum amd_powergating_state cur_state;
     53 };
     54 
     55 int amdgpu_jpeg_sw_init(struct amdgpu_device *adev);
     56 int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev);
     57 int amdgpu_jpeg_suspend(struct amdgpu_device *adev);
     58 int amdgpu_jpeg_resume(struct amdgpu_device *adev);
     59 
     60 void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring);
     61 void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring);
     62 
     63 int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring);
     64 int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
     65 
     66 #endif /*__AMDGPU_JPEG_H__*/
     67