drivers/gpu/drm/radeon/radeon.h

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

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/radeon/radeon.h
Extension
.h
Size
96463 bytes
Lines
2967
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 radeon_dummy_page {
	uint64_t	entry;
	struct page	*page;
	dma_addr_t	addr;
};
int radeon_dummy_page_init(struct radeon_device *rdev);
void radeon_dummy_page_fini(struct radeon_device *rdev);


/*
 * Clocks
 */
struct radeon_clock {
	struct radeon_pll p1pll;
	struct radeon_pll p2pll;
	struct radeon_pll dcpll;
	struct radeon_pll spll;
	struct radeon_pll mpll;
	/* 10 Khz units */
	uint32_t default_mclk;
	uint32_t default_sclk;
	uint32_t default_dispclk;
	uint32_t current_dispclk;
	uint32_t dp_extclk;
	uint32_t max_pixel_clock;
	uint32_t vco_freq;
};

/*
 * Power management
 */
int radeon_pm_init(struct radeon_device *rdev);
int radeon_pm_late_init(struct radeon_device *rdev);
void radeon_pm_fini(struct radeon_device *rdev);
void radeon_pm_compute_clocks(struct radeon_device *rdev);
void radeon_pm_suspend(struct radeon_device *rdev);
void radeon_pm_resume(struct radeon_device *rdev);
void radeon_combios_get_power_modes(struct radeon_device *rdev);
void radeon_atombios_get_power_modes(struct radeon_device *rdev);
int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
				   u8 clock_type,
				   u32 clock,
				   bool strobe_mode,
				   struct atom_clock_dividers *dividers);
int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
					u32 clock,
					bool strobe_mode,
					struct atom_mpll_param *mpll_param);
void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type);
int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
					  u16 voltage_level, u8 voltage_type,
					  u32 *gpio_value, u32 *gpio_mask);
void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
					 u32 eng_clock, u32 mem_clock);
int radeon_atom_get_voltage_step(struct radeon_device *rdev,
				 u8 voltage_type, u16 *voltage_step);
int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
			     u16 voltage_id, u16 *voltage);
int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
						      u16 *voltage,
						      u16 leakage_idx);
int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
					  u16 *leakage_id);
int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
							 u16 *vddc, u16 *vddci,
							 u16 virtual_voltage_id,
							 u16 vbios_voltage_id);
int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
				u16 virtual_voltage_id,
				u16 *voltage);
int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
				      u8 voltage_type,
				      u16 nominal_voltage,
				      u16 *true_voltage);
int radeon_atom_get_min_voltage(struct radeon_device *rdev,
				u8 voltage_type, u16 *min_voltage);
int radeon_atom_get_max_voltage(struct radeon_device *rdev,
				u8 voltage_type, u16 *max_voltage);
int radeon_atom_get_voltage_table(struct radeon_device *rdev,
				  u8 voltage_type, u8 voltage_mode,
				  struct atom_voltage_table *voltage_table);
bool radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
				 u8 voltage_type, u8 voltage_mode);
int radeon_atom_get_svi2_info(struct radeon_device *rdev,
			      u8 voltage_type,
			      u8 *svd_gpio_id, u8 *svc_gpio_id);
void radeon_atom_update_memory_dll(struct radeon_device *rdev,
				   u32 mem_clock);
void radeon_atom_set_ac_timing(struct radeon_device *rdev,
			       u32 mem_clock);

Annotation

Implementation Notes