drivers/gpu/drm/amd/pm/powerplay/inc/cz_ppsmc.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/pm/powerplay/inc/cz_ppsmc.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/pm/powerplay/inc/cz_ppsmc.h
Extension
.h
Size
8927 bytes
Lines
187
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

#ifndef CZ_PP_SMC_H
#define CZ_PP_SMC_H

#pragma pack(push, 1)

/* Fan control algorithm:*/
#define FDO_MODE_HARDWARE 0
#define FDO_MODE_PIECE_WISE_LINEAR 1

enum FAN_CONTROL {
    FAN_CONTROL_FUZZY,
    FAN_CONTROL_TABLE
};

enum DPM_ARRAY {
    DPM_ARRAY_HARD_MAX,
    DPM_ARRAY_HARD_MIN,
    DPM_ARRAY_SOFT_MAX,
    DPM_ARRAY_SOFT_MIN
};

/*
 * Return codes for driver to SMC communication.
 * Leave these #define-s, enums might not be exactly 8-bits on the microcontroller.
 */
#define PPSMC_Result_OK             ((uint16_t)0x01)
#define PPSMC_Result_NoMore         ((uint16_t)0x02)
#define PPSMC_Result_NotNow         ((uint16_t)0x03)
#define PPSMC_Result_Failed         ((uint16_t)0xFF)
#define PPSMC_Result_UnknownCmd     ((uint16_t)0xFE)
#define PPSMC_Result_UnknownVT      ((uint16_t)0xFD)

#define PPSMC_isERROR(x)            ((uint16_t)0x80 & (x))

/*
 * Supported driver messages
 */
#define PPSMC_MSG_Test                        ((uint16_t) 0x1)
#define PPSMC_MSG_GetFeatureStatus            ((uint16_t) 0x2)
#define PPSMC_MSG_EnableAllSmuFeatures        ((uint16_t) 0x3)
#define PPSMC_MSG_DisableAllSmuFeatures       ((uint16_t) 0x4)
#define PPSMC_MSG_OptimizeBattery             ((uint16_t) 0x5)
#define PPSMC_MSG_MaximizePerf                ((uint16_t) 0x6)
#define PPSMC_MSG_UVDPowerOFF                 ((uint16_t) 0x7)
#define PPSMC_MSG_UVDPowerON                  ((uint16_t) 0x8)
#define PPSMC_MSG_VCEPowerOFF                 ((uint16_t) 0x9)
#define PPSMC_MSG_VCEPowerON                  ((uint16_t) 0xA)
#define PPSMC_MSG_ACPPowerOFF                 ((uint16_t) 0xB)
#define PPSMC_MSG_ACPPowerON                  ((uint16_t) 0xC)
#define PPSMC_MSG_SDMAPowerOFF                ((uint16_t) 0xD)
#define PPSMC_MSG_SDMAPowerON                 ((uint16_t) 0xE)
#define PPSMC_MSG_XDMAPowerOFF                ((uint16_t) 0xF)
#define PPSMC_MSG_XDMAPowerON                 ((uint16_t) 0x10)
#define PPSMC_MSG_SetMinDeepSleepSclk         ((uint16_t) 0x11)
#define PPSMC_MSG_SetSclkSoftMin              ((uint16_t) 0x12)
#define PPSMC_MSG_SetSclkSoftMax              ((uint16_t) 0x13)
#define PPSMC_MSG_SetSclkHardMin              ((uint16_t) 0x14)
#define PPSMC_MSG_SetSclkHardMax              ((uint16_t) 0x15)
#define PPSMC_MSG_SetLclkSoftMin              ((uint16_t) 0x16)
#define PPSMC_MSG_SetLclkSoftMax              ((uint16_t) 0x17)
#define PPSMC_MSG_SetLclkHardMin              ((uint16_t) 0x18)
#define PPSMC_MSG_SetLclkHardMax              ((uint16_t) 0x19)
#define PPSMC_MSG_SetUvdSoftMin               ((uint16_t) 0x1A)
#define PPSMC_MSG_SetUvdSoftMax               ((uint16_t) 0x1B)
#define PPSMC_MSG_SetUvdHardMin               ((uint16_t) 0x1C)
#define PPSMC_MSG_SetUvdHardMax               ((uint16_t) 0x1D)
#define PPSMC_MSG_SetEclkSoftMin              ((uint16_t) 0x1E)
#define PPSMC_MSG_SetEclkSoftMax              ((uint16_t) 0x1F)
#define PPSMC_MSG_SetEclkHardMin              ((uint16_t) 0x20)
#define PPSMC_MSG_SetEclkHardMax              ((uint16_t) 0x21)
#define PPSMC_MSG_SetAclkSoftMin              ((uint16_t) 0x22)
#define PPSMC_MSG_SetAclkSoftMax              ((uint16_t) 0x23)
#define PPSMC_MSG_SetAclkHardMin              ((uint16_t) 0x24)
#define PPSMC_MSG_SetAclkHardMax              ((uint16_t) 0x25)
#define PPSMC_MSG_SetNclkSoftMin              ((uint16_t) 0x26)
#define PPSMC_MSG_SetNclkSoftMax              ((uint16_t) 0x27)
#define PPSMC_MSG_SetNclkHardMin              ((uint16_t) 0x28)
#define PPSMC_MSG_SetNclkHardMax              ((uint16_t) 0x29)
#define PPSMC_MSG_SetPstateSoftMin            ((uint16_t) 0x2A)
#define PPSMC_MSG_SetPstateSoftMax            ((uint16_t) 0x2B)
#define PPSMC_MSG_SetPstateHardMin            ((uint16_t) 0x2C)
#define PPSMC_MSG_SetPstateHardMax            ((uint16_t) 0x2D)
#define PPSMC_MSG_DisableLowMemoryPstate      ((uint16_t) 0x2E)
#define PPSMC_MSG_EnableLowMemoryPstate       ((uint16_t) 0x2F)
#define PPSMC_MSG_UcodeAddressLow             ((uint16_t) 0x30)
#define PPSMC_MSG_UcodeAddressHigh            ((uint16_t) 0x31)
#define PPSMC_MSG_UcodeLoadStatus             ((uint16_t) 0x32)
#define PPSMC_MSG_DriverDramAddrHi            ((uint16_t) 0x33)
#define PPSMC_MSG_DriverDramAddrLo            ((uint16_t) 0x34)
#define PPSMC_MSG_CondExecDramAddrHi          ((uint16_t) 0x35)

Annotation

Implementation Notes