drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_smu.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_smu.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_smu.c
Extension
.c
Size
11324 bytes
Lines
399
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: MIT
/*
 * Copyright 2022 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: AMD
 *
 */



#include "core_types.h"
#include "clk_mgr_internal.h"
#include "reg_helper.h"
#include "dm_helpers.h"
#include "dcn314_smu.h"

#include "mp/mp_13_0_5_offset.h"

/* TODO: Use the real headers when they're correct */
#define MP1_BASE__INST0_SEG0                       0x00016000
#define MP1_BASE__INST0_SEG1                       0x0243FC00
#define MP1_BASE__INST0_SEG2                       0x00DC0000
#define MP1_BASE__INST0_SEG3                       0x00E00000
#define MP1_BASE__INST0_SEG4                       0x00E40000
#define MP1_BASE__INST0_SEG5                       0

#ifdef BASE_INNER
#undef BASE_INNER
#endif

#define BASE_INNER(seg) MP1_BASE__INST0_SEG ## seg

#define BASE(seg) BASE_INNER(seg)

#define REG(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name)

#define FN(reg_name, field) \
	FD(reg_name##__##field)

#include "logger_types.h"
#undef DC_LOGGER
#define DC_LOGGER \
	CTX->logger
#define smu_print(str, ...) {DC_LOG_SMU(str, ##__VA_ARGS__); }

#define VBIOSSMC_MSG_TestMessage                  0x1
#define VBIOSSMC_MSG_GetSmuVersion                0x2
#define VBIOSSMC_MSG_PowerUpGfx                   0x3
#define VBIOSSMC_MSG_SetDispclkFreq               0x4
#define VBIOSSMC_MSG_SetDprefclkFreq              0x5   //Not used. DPRef is constant
#define VBIOSSMC_MSG_SetDppclkFreq                0x6
#define VBIOSSMC_MSG_SetHardMinDcfclkByFreq       0x7
#define VBIOSSMC_MSG_SetMinDeepSleepDcfclk        0x8
#define VBIOSSMC_MSG_SetPhyclkVoltageByFreq       0x9	//Keep it in case VMIN dees not support phy clk
#define VBIOSSMC_MSG_GetFclkFrequency             0xA
#define VBIOSSMC_MSG_SetDisplayCount              0xB   //Not used anymore
#define VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown 0xC   //Not used anymore
#define VBIOSSMC_MSG_UpdatePmeRestore             0xD
#define VBIOSSMC_MSG_SetVbiosDramAddrHigh         0xE   //Used for WM table txfr
#define VBIOSSMC_MSG_SetVbiosDramAddrLow          0xF
#define VBIOSSMC_MSG_TransferTableSmu2Dram        0x10
#define VBIOSSMC_MSG_TransferTableDram2Smu        0x11
#define VBIOSSMC_MSG_SetDisplayIdleOptimizations  0x12
#define VBIOSSMC_MSG_GetDprefclkFreq              0x13
#define VBIOSSMC_MSG_GetDtbclkFreq                0x14
#define VBIOSSMC_MSG_AllowZstatesEntry            0x15
#define VBIOSSMC_MSG_DisallowZstatesEntry	  0x16
#define VBIOSSMC_MSG_SetDtbClk                    0x17
#define VBIOSSMC_Message_Count                    0x18

#define VBIOSSMC_Status_BUSY                      0x0
#define VBIOSSMC_Result_OK                        0x1

Annotation

Implementation Notes