drivers/gpu/drm/radeon/btc_dpm.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/radeon/btc_dpm.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/radeon/btc_dpm.h
Extension
.h
Size
2884 bytes
Lines
63
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 __BTC_DPM_H__
#define __BTC_DPM_H__

#include "radeon.h"
#include "rv770_dpm.h"

#define BTC_RLP_UVD_DFLT                              20
#define BTC_RMP_UVD_DFLT                              50
#define BTC_LHP_UVD_DFLT                              50
#define BTC_LMP_UVD_DFLT                              20
#define BARTS_MGCGCGTSSMCTRL_DFLT                     0x81944000
#define TURKS_MGCGCGTSSMCTRL_DFLT                     0x6e944000
#define CAICOS_MGCGCGTSSMCTRL_DFLT                    0x46944040
#define BTC_CGULVPARAMETER_DFLT                       0x00040035
#define BTC_CGULVCONTROL_DFLT                         0x00001450

extern u32 btc_valid_sclk[40];

void btc_read_arb_registers(struct radeon_device *rdev);
void btc_program_mgcg_hw_sequence(struct radeon_device *rdev,
				  const u32 *sequence, u32 count);
void btc_skip_blacklist_clocks(struct radeon_device *rdev,
			       const u32 max_sclk, const u32 max_mclk,
			       u32 *sclk, u32 *mclk);
void btc_adjust_clock_combinations(struct radeon_device *rdev,
				   const struct radeon_clock_and_voltage_limits *max_limits,
				   struct rv7xx_pl *pl);
void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
					u32 clock, u16 max_voltage, u16 *voltage);
void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
						     u32 *max_clock);
void btc_apply_voltage_delta_rules(struct radeon_device *rdev,
				   u16 max_vddc, u16 max_vddci,
				   u16 *vddc, u16 *vddci);
bool btc_dpm_enabled(struct radeon_device *rdev);
int btc_reset_to_default(struct radeon_device *rdev);
void btc_notify_uvd_to_smc(struct radeon_device *rdev,
			   struct radeon_ps *radeon_new_state);

#endif

Annotation

Implementation Notes