linux/drivers/gpu/drm/radeon/vce_v2_0.c

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/*
* Copyright 2013 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* Authors: Christian König <christian.koenig@amd.com>
*/
#include <linux/firmware.h>
#include <drm/drmP.h>
#include "radeon.h"
#include "radeon_asic.h"
#include "cikd.h"
int vce_v2_0_resume(struct radeon_device *rdev)
{
uint64_t addr = rdev->vce.gpu_addr;
uint32_t size;
WREG32_P(VCE_CLOCK_GATING_A, 0, ~(1 << 16));
WREG32_P(VCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
WREG32_P(VCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
WREG32(VCE_CLOCK_GATING_B, 0xf7);
WREG32(VCE_LMI_CTRL, 0x00398000);
WREG32_P(VCE_LMI_CACHE_CTRL, 0x0, ~0x1);
WREG32(VCE_LMI_SWAP_CNTL, 0);
WREG32(VCE_LMI_SWAP_CNTL1, 0);
WREG32(VCE_LMI_VM_CTRL, 0);
size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size);
WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE0, size);
addr += size;
size = RADEON_VCE_STACK_SIZE;
WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE1, size);
addr += size;
size = RADEON_VCE_HEAP_SIZE;
WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE2, size);
WREG32_P(VCE_LMI_CTRL2, 0x0, ~0x100);
WREG32_P(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN,
~VCE_SYS_INT_TRAP_INTERRUPT_EN);
return 0;
}