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

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

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/pm/powerplay/inc/smu_ucode_xfer_cz.h
Extension
.h
Size
6017 bytes
Lines
170
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

struct SMU_Task {
    uint8_t type;
    uint8_t arg;
    uint16_t next;
    data_64_t addr;
    uint32_t size_bytes;
};
typedef struct SMU_Task SMU_Task;

struct TOC {
    uint8_t JobList[NUM_JOBLIST_ENTRIES];
    SMU_Task tasks[];
};

// META DATA COMMAND Definitions
#define METADATA_CMD_MODE0         0x00000103 
#define METADATA_CMD_MODE1         0x00000113 
#define METADATA_CMD_MODE2         0x00000123 
#define METADATA_CMD_MODE3         0x00000133
#define METADATA_CMD_DELAY         0x00000203
#define METADATA_CMD_CHNG_REGSPACE 0x00000303
#define METADATA_PERFORM_ON_SAVE   0x00001000
#define METADATA_PERFORM_ON_LOAD   0x00002000
#define METADATA_CMD_ARG_MASK      0xFFFF0000
#define METADATA_CMD_ARG_SHIFT     16

// Simple register addr/data fields
struct SMU_MetaData_Mode0 {
    uint32_t register_address;
    uint32_t register_data;
};
typedef struct SMU_MetaData_Mode0 SMU_MetaData_Mode0;

// Register addr/data with mask
struct SMU_MetaData_Mode1 {
    uint32_t register_address;
    uint32_t register_mask;
    uint32_t register_data;
};
typedef struct SMU_MetaData_Mode1 SMU_MetaData_Mode1;

struct SMU_MetaData_Mode2 {
    uint32_t register_address;
    uint32_t register_mask;
    uint32_t target_value;
};
typedef struct SMU_MetaData_Mode2 SMU_MetaData_Mode2;

// Always write data (even on a save operation)
struct SMU_MetaData_Mode3 {
    uint32_t register_address;
    uint32_t register_mask;
    uint32_t register_data;
};
typedef struct SMU_MetaData_Mode3 SMU_MetaData_Mode3;

#endif

Annotation

Implementation Notes