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      1 /*	$NetBSD: radeon_uvd_v2_2.c,v 1.3 2021/12/18 23:45:43 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2013 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  * Authors: Christian Knig <christian.koenig (at) amd.com>
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: radeon_uvd_v2_2.c,v 1.3 2021/12/18 23:45:43 riastradh Exp $");
     29 
     30 #include <linux/firmware.h>
     31 
     32 #include "radeon.h"
     33 #include "radeon_asic.h"
     34 #include "rv770d.h"
     35 
     36 /**
     37  * uvd_v2_2_fence_emit - emit an fence & trap command
     38  *
     39  * @rdev: radeon_device pointer
     40  * @fence: fence to emit
     41  *
     42  * Write a fence and a trap command to the ring.
     43  */
     44 void uvd_v2_2_fence_emit(struct radeon_device *rdev,
     45 			 struct radeon_fence *fence)
     46 {
     47 	struct radeon_ring *ring = &rdev->ring[fence->ring];
     48 	uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
     49 
     50 	radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
     51 	radeon_ring_write(ring, fence->seq);
     52 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
     53 	radeon_ring_write(ring, lower_32_bits(addr));
     54 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
     55 	radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
     56 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
     57 	radeon_ring_write(ring, 0);
     58 
     59 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
     60 	radeon_ring_write(ring, 0);
     61 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
     62 	radeon_ring_write(ring, 0);
     63 	radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
     64 	radeon_ring_write(ring, 2);
     65 }
     66 
     67 /**
     68  * uvd_v2_2_semaphore_emit - emit semaphore command
     69  *
     70  * @rdev: radeon_device pointer
     71  * @ring: radeon_ring pointer
     72  * @semaphore: semaphore to emit commands for
     73  * @emit_wait: true if we should emit a wait command
     74  *
     75  * Emit a semaphore command (either wait or signal) to the UVD ring.
     76  */
     77 bool uvd_v2_2_semaphore_emit(struct radeon_device *rdev,
     78 			     struct radeon_ring *ring,
     79 			     struct radeon_semaphore *semaphore,
     80 			     bool emit_wait)
     81 {
     82 	uint64_t addr = semaphore->gpu_addr;
     83 
     84 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
     85 	radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
     86 
     87 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
     88 	radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
     89 
     90 	radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
     91 	radeon_ring_write(ring, emit_wait ? 1 : 0);
     92 
     93 	return true;
     94 }
     95 
     96 /**
     97  * uvd_v2_2_resume - memory controller programming
     98  *
     99  * @rdev: radeon_device pointer
    100  *
    101  * Let the UVD memory controller know it's offsets
    102  */
    103 int uvd_v2_2_resume(struct radeon_device *rdev)
    104 {
    105 	uint64_t addr;
    106 	uint32_t chip_id, size;
    107 	int r;
    108 
    109 	/* RV770 uses V1.0 MC */
    110 	if (rdev->family == CHIP_RV770)
    111 		return uvd_v1_0_resume(rdev);
    112 
    113 	r = radeon_uvd_resume(rdev);
    114 	if (r)
    115 		return r;
    116 
    117 	/* programm the VCPU memory controller bits 0-27 */
    118 	addr = rdev->uvd.gpu_addr >> 3;
    119 	size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
    120 	WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
    121 	WREG32(UVD_VCPU_CACHE_SIZE0, size);
    122 
    123 	addr += size;
    124 	size = RADEON_UVD_HEAP_SIZE >> 3;
    125 	WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
    126 	WREG32(UVD_VCPU_CACHE_SIZE1, size);
    127 
    128 	addr += size;
    129 	size = (RADEON_UVD_STACK_SIZE +
    130 	       (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
    131 	WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
    132 	WREG32(UVD_VCPU_CACHE_SIZE2, size);
    133 
    134 	/* bits 28-31 */
    135 	addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
    136 	WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
    137 
    138 	/* bits 32-39 */
    139 	addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
    140 	WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1U << 31));
    141 
    142 	/* tell firmware which hardware it is running on */
    143 	switch (rdev->family) {
    144 	default:
    145 		return -EINVAL;
    146 	case CHIP_RV710:
    147 		chip_id = 0x01000005;
    148 		break;
    149 	case CHIP_RV730:
    150 		chip_id = 0x01000006;
    151 		break;
    152 	case CHIP_RV740:
    153 		chip_id = 0x01000007;
    154 		break;
    155 	case CHIP_CYPRESS:
    156 	case CHIP_HEMLOCK:
    157 		chip_id = 0x01000008;
    158 		break;
    159 	case CHIP_JUNIPER:
    160 		chip_id = 0x01000009;
    161 		break;
    162 	case CHIP_REDWOOD:
    163 		chip_id = 0x0100000a;
    164 		break;
    165 	case CHIP_CEDAR:
    166 		chip_id = 0x0100000b;
    167 		break;
    168 	case CHIP_SUMO:
    169 	case CHIP_SUMO2:
    170 		chip_id = 0x0100000c;
    171 		break;
    172 	case CHIP_PALM:
    173 		chip_id = 0x0100000e;
    174 		break;
    175 	case CHIP_CAYMAN:
    176 		chip_id = 0x0100000f;
    177 		break;
    178 	case CHIP_BARTS:
    179 		chip_id = 0x01000010;
    180 		break;
    181 	case CHIP_TURKS:
    182 		chip_id = 0x01000011;
    183 		break;
    184 	case CHIP_CAICOS:
    185 		chip_id = 0x01000012;
    186 		break;
    187 	case CHIP_TAHITI:
    188 		chip_id = 0x01000014;
    189 		break;
    190 	case CHIP_VERDE:
    191 		chip_id = 0x01000015;
    192 		break;
    193 	case CHIP_PITCAIRN:
    194 	case CHIP_OLAND:
    195 		chip_id = 0x01000016;
    196 		break;
    197 	case CHIP_ARUBA:
    198 		chip_id = 0x01000017;
    199 		break;
    200 	}
    201 	WREG32(UVD_VCPU_CHIP_ID, chip_id);
    202 
    203 	return 0;
    204 }
    205