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https://github.com/edk2-porting/linux-next.git
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69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
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/*
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* Copyright 2013 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Christian König <christian.koenig@amd.com>
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*/
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#include <linux/firmware.h>
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#include <drm/drmP.h>
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#include "radeon.h"
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#include "radeon_asic.h"
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#include "cikd.h"
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/**
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* uvd_v4_2_resume - memory controller programming
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*
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* @rdev: radeon_device pointer
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*
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* Let the UVD memory controller know it's offsets
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*/
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int uvd_v4_2_resume(struct radeon_device *rdev)
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{
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uint64_t addr;
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uint32_t size;
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/* programm the VCPU memory controller bits 0-27 */
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addr = rdev->uvd.gpu_addr >> 3;
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size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
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WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
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WREG32(UVD_VCPU_CACHE_SIZE0, size);
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addr += size;
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size = RADEON_UVD_STACK_SIZE >> 3;
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WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
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WREG32(UVD_VCPU_CACHE_SIZE1, size);
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addr += size;
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size = RADEON_UVD_HEAP_SIZE >> 3;
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WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
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WREG32(UVD_VCPU_CACHE_SIZE2, size);
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/* bits 28-31 */
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addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
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WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
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/* bits 32-39 */
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addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
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WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
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return 0;
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}
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