root/drivers/gpu/drm/radeon/uvd_v2_2.c

DEFINITIONS

1. uvd_v2_2_fence_emit
2. uvd_v2_2_semaphore_emit
3. uvd_v2_2_resume

   1 /*
   2  * Copyright 2013 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  * Authors: Christian König <christian.koenig@amd.com>
  23  */
  24 
  25 #include <linux/firmware.h>
  26 
  27 #include "radeon.h"
  28 #include "radeon_asic.h"
  29 #include "rv770d.h"
  30 
  31 /**
  32  * uvd_v2_2_fence_emit - emit an fence & trap command
  33  *
  34  * @rdev: radeon_device pointer
  35  * @fence: fence to emit
  36  *
  37  * Write a fence and a trap command to the ring.
  38  */
  39 void uvd_v2_2_fence_emit(struct radeon_device *rdev,
  40                          struct radeon_fence *fence)
  41 {
  42         struct radeon_ring *ring = &rdev->ring[fence->ring];
  43         uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
  44 
  45         radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
  46         radeon_ring_write(ring, fence->seq);
  47         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
  48         radeon_ring_write(ring, lower_32_bits(addr));
  49         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
  50         radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
  51         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
  52         radeon_ring_write(ring, 0);
  53 
  54         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
  55         radeon_ring_write(ring, 0);
  56         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
  57         radeon_ring_write(ring, 0);
  58         radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
  59         radeon_ring_write(ring, 2);
  60 }
  61 
  62 /**
  63  * uvd_v2_2_semaphore_emit - emit semaphore command
  64  *
  65  * @rdev: radeon_device pointer
  66  * @ring: radeon_ring pointer
  67  * @semaphore: semaphore to emit commands for
  68  * @emit_wait: true if we should emit a wait command
  69  *
  70  * Emit a semaphore command (either wait or signal) to the UVD ring.
  71  */
  72 bool uvd_v2_2_semaphore_emit(struct radeon_device *rdev,
  73                              struct radeon_ring *ring,
  74                              struct radeon_semaphore *semaphore,
  75                              bool emit_wait)
  76 {
  77         uint64_t addr = semaphore->gpu_addr;
  78 
  79         radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
  80         radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
  81 
  82         radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
  83         radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
  84 
  85         radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
  86         radeon_ring_write(ring, emit_wait ? 1 : 0);
  87 
  88         return true;
  89 }
  90 
  91 /**
  92  * uvd_v2_2_resume - memory controller programming
  93  *
  94  * @rdev: radeon_device pointer
  95  *
  96  * Let the UVD memory controller know it's offsets
  97  */
  98 int uvd_v2_2_resume(struct radeon_device *rdev)
  99 {
 100         uint64_t addr;
 101         uint32_t chip_id, size;
 102         int r;
 103 
 104         /* RV770 uses V1.0 MC */
 105         if (rdev->family == CHIP_RV770)
 106                 return uvd_v1_0_resume(rdev);
 107 
 108         r = radeon_uvd_resume(rdev);
 109         if (r)
 110                 return r;
 111 
 112         /* programm the VCPU memory controller bits 0-27 */
 113         addr = rdev->uvd.gpu_addr >> 3;
 114         size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
 115         WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
 116         WREG32(UVD_VCPU_CACHE_SIZE0, size);
 117 
 118         addr += size;
 119         size = RADEON_UVD_HEAP_SIZE >> 3;
 120         WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
 121         WREG32(UVD_VCPU_CACHE_SIZE1, size);
 122 
 123         addr += size;
 124         size = (RADEON_UVD_STACK_SIZE +
 125                (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
 126         WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
 127         WREG32(UVD_VCPU_CACHE_SIZE2, size);
 128 
 129         /* bits 28-31 */
 130         addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
 131         WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
 132 
 133         /* bits 32-39 */
 134         addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
 135         WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
 136 
 137         /* tell firmware which hardware it is running on */
 138         switch (rdev->family) {
 139         default:
 140                 return -EINVAL;
 141         case CHIP_RV710:
 142                 chip_id = 0x01000005;
 143                 break;
 144         case CHIP_RV730:
 145                 chip_id = 0x01000006;
 146                 break;
 147         case CHIP_RV740:
 148                 chip_id = 0x01000007;
 149                 break;
 150         case CHIP_CYPRESS:
 151         case CHIP_HEMLOCK:
 152                 chip_id = 0x01000008;
 153                 break;
 154         case CHIP_JUNIPER:
 155                 chip_id = 0x01000009;
 156                 break;
 157         case CHIP_REDWOOD:
 158                 chip_id = 0x0100000a;
 159                 break;
 160         case CHIP_CEDAR:
 161                 chip_id = 0x0100000b;
 162                 break;
 163         case CHIP_SUMO:
 164         case CHIP_SUMO2:
 165                 chip_id = 0x0100000c;
 166                 break;
 167         case CHIP_PALM:
 168                 chip_id = 0x0100000e;
 169                 break;
 170         case CHIP_CAYMAN:
 171                 chip_id = 0x0100000f;
 172                 break;
 173         case CHIP_BARTS:
 174                 chip_id = 0x01000010;
 175                 break;
 176         case CHIP_TURKS:
 177                 chip_id = 0x01000011;
 178                 break;
 179         case CHIP_CAICOS:
 180                 chip_id = 0x01000012;
 181                 break;
 182         case CHIP_TAHITI:
 183                 chip_id = 0x01000014;
 184                 break;
 185         case CHIP_VERDE:
 186                 chip_id = 0x01000015;
 187                 break;
 188         case CHIP_PITCAIRN:
 189         case CHIP_OLAND:
 190                 chip_id = 0x01000016;
 191                 break;
 192         case CHIP_ARUBA:
 193                 chip_id = 0x01000017;
 194                 break;
 195         }
 196         WREG32(UVD_VCPU_CHIP_ID, chip_id);
 197 
 198         return 0;
 199 }