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 K��nig <christian.koenig@amd.com>
23 */
24
25#include <linux/firmware.h>
26#include <drm/drmP.h>
27#include "radeon.h"
28#include "radeon_asic.h"
29#include "cikd.h"
30
31/**
32 * uvd_v4_2_resume - memory controller programming
33 *
34 * @rdev: radeon_device pointer
35 *
36 * Let the UVD memory controller know it's offsets
37 */
38int uvd_v4_2_resume(struct radeon_device *rdev)
39{
40	uint64_t addr;
41	uint32_t size;
42
43	/* programm the VCPU memory controller bits 0-27 */
44	addr = rdev->uvd.gpu_addr >> 3;
45	size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
46	WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
47	WREG32(UVD_VCPU_CACHE_SIZE0, size);
48
49	addr += size;
50	size = RADEON_UVD_STACK_SIZE >> 3;
51	WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
52	WREG32(UVD_VCPU_CACHE_SIZE1, size);
53
54	addr += size;
55	size = RADEON_UVD_HEAP_SIZE >> 3;
56	WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
57	WREG32(UVD_VCPU_CACHE_SIZE2, size);
58
59	/* bits 28-31 */
60	addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
61	WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
62
63	/* bits 32-39 */
64	addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
65	WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
66
67	return 0;
68}
69