xref: /openbmc/linux/drivers/gpu/drm/radeon/uvd_v2_2.c (revision 6197e5b7)
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 	/* program 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 }
200