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 struct amdgpu_vce { 34 struct amdgpu_bo *vcpu_bo; 35 uint64_t gpu_addr; 36 unsigned fw_version; 37 unsigned fb_version; 38 atomic_t handles[AMDGPU_MAX_VCE_HANDLES]; 39 struct drm_file *filp[AMDGPU_MAX_VCE_HANDLES]; 40 uint32_t img_size[AMDGPU_MAX_VCE_HANDLES]; 41 struct delayed_work idle_work; 42 struct mutex idle_mutex; 43 const struct firmware *fw; /* VCE firmware */ 44 struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS]; 45 struct amdgpu_irq_src irq; 46 unsigned harvest_config; 47 struct amd_sched_entity entity; 48 uint32_t srbm_soft_reset; 49 unsigned num_rings; 50 }; 51 52 int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size); 53 int amdgpu_vce_sw_fini(struct amdgpu_device *adev); 54 int amdgpu_vce_suspend(struct amdgpu_device *adev); 55 int amdgpu_vce_resume(struct amdgpu_device *adev); 56 int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, 57 struct dma_fence **fence); 58 int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, 59 bool direct, struct dma_fence **fence); 60 void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp); 61 int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx); 62 int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx); 63 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib, 64 unsigned vm_id, bool ctx_switch); 65 void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 66 unsigned flags); 67 int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring); 68 int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout); 69 void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring); 70 void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring); 71 unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring); 72 unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring); 73 74 #endif 75