linux/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c

/*
 * Copyright 2013 Advanced Micro Devices, Inc.
 *
 * 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, sublicense,
 * 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 above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Alex Deucher
 */

#include "amdgpu.h"
#include "cikd.h"
#include "kv_dpm.h"

#include "smu/smu_7_0_0_d.h"
#include "smu/smu_7_0_0_sh_mask.h"

int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id)
{ … }

int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask)
{ … }

int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
				      PPSMC_Msg msg, u32 parameter)
{ … }

static int kv_set_smc_sram_address(struct amdgpu_device *adev,
				   u32 smc_address, u32 limit)
{ … }

int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
			   u32 *value, u32 limit)
{ … }

int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable)
{ … }

int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable)
{ … }

int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev,
			 u32 smc_start_address,
			 const u8 *src, u32 byte_count, u32 limit)
{ … }