drivers/platform/x86/amd/pmc/pmc.h

Source file repositories/reference/linux-study-clean/drivers/platform/x86/amd/pmc/pmc.h

File Facts

System
Linux kernel
Corpus path
drivers/platform/x86/amd/pmc/pmc.h
Extension
.h
Size
4543 bytes
Lines
175
Domain
Driver Families
Bucket
drivers/platform
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 amd_mp2_dev {
	void __iomem *mmio;
	void __iomem *vslbase;
	void *stbdata;
	void *devres_gid;
	struct pci_dev *pdev;
	dma_addr_t dma_addr;
	int stb_len;
	bool is_stb_data;
};

struct stb_arg {
	u32 s2d_msg_id;
	u32 msg;
	u32 arg;
	u32 resp;
};

struct amd_pmc_dev {
	void __iomem *regbase;
	void __iomem *smu_virt_addr;
	void __iomem *stb_virt_addr;
	void __iomem *fch_virt_addr;
	u32 base_addr;
	u32 cpu_id;
	u32 dram_size;
	u32 active_ips;
	const struct amd_pmc_bit_map *ips_ptr;
	u32 num_ips;
	u32 smu_msg;
/* SMU version information */
	u8 smu_program;
	u8 major;
	u8 minor;
	u8 rev;
	u8 msg_port;
	struct device *dev;
	struct pci_dev *rdev;
	struct mutex lock; /* generic mutex lock */
	struct dentry *dbgfs_dir;
	struct quirk_entry *quirks;
	bool disable_8042_wakeup;
	struct amd_mp2_dev *mp2;
	struct stb_arg stb_arg;
};

struct amd_pmc_bit_map {
	const char *name;
	u32 bit_mask;
};

struct smu_metrics {
	u32 table_version;
	u32 hint_count;
	u32 s0i3_last_entry_status;
	u32 timein_s0i2;
	u64 timeentering_s0i3_lastcapture;
	u64 timeentering_s0i3_totaltime;
	u64 timeto_resume_to_os_lastcapture;
	u64 timeto_resume_to_os_totaltime;
	u64 timein_s0i3_lastcapture;
	u64 timein_s0i3_totaltime;
	u64 timein_swdrips_lastcapture;
	u64 timein_swdrips_totaltime;
	u64 timecondition_notmet_lastcapture[32];
	u64 timecondition_notmet_totaltime[32];
} __packed;

enum amd_pmc_def {
	MSG_TEST = 0x01,
	MSG_OS_HINT_PCO,
	MSG_OS_HINT_RN,
};

void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev);
void amd_pmc_quirks_init(struct amd_pmc_dev *dev);
void amd_mp2_stb_init(struct amd_pmc_dev *dev);
void amd_mp2_stb_deinit(struct amd_pmc_dev *dev);

/* List of supported CPU ids */
#define AMD_CPU_ID_RV			0x15D0
#define AMD_CPU_ID_RN			0x1630
#define AMD_CPU_ID_PCO			AMD_CPU_ID_RV
#define AMD_CPU_ID_CZN			AMD_CPU_ID_RN
#define AMD_CPU_ID_VG			0x1645
#define AMD_CPU_ID_YC			0x14B5
#define AMD_CPU_ID_CB			0x14D8
#define AMD_CPU_ID_PS			0x14E8
#define AMD_CPU_ID_SP			0x14A4
#define AMD_CPU_ID_SHP			0x153A

Annotation

Implementation Notes