include/linux/mfd/db8500-prcmu.h

Source file repositories/reference/linux-study-clean/include/linux/mfd/db8500-prcmu.h

File Facts

System
Linux kernel
Corpus path
include/linux/mfd/db8500-prcmu.h
Extension
.h
Size
21842 bytes
Lines
749
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct prcmu_auto_pm_config {
	u8 sia_auto_pm_enable;
	u8 sia_power_on;
	u8 sia_policy;
	u8 sva_auto_pm_enable;
	u8 sva_power_on;
	u8 sva_policy;
};

#ifdef CONFIG_MFD_DB8500_PRCMU

void db8500_prcmu_early_init(void);
int prcmu_set_rc_a2p(enum romcode_write);
enum romcode_read prcmu_get_rc_p2a(void);
enum ap_pwrst prcmu_get_xp70_current_state(void);
bool prcmu_has_arm_maxopp(void);
struct prcmu_fw_version *prcmu_get_fw_version(void);
int prcmu_release_usb_wakeup_state(void);
void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
	struct prcmu_auto_pm_config *idle);
bool prcmu_is_auto_pm_enabled(void);

int prcmu_config_clkout(u8 clkout, u8 source, u8 div);
int prcmu_set_clock_divider(u8 clock, u8 divider);
int db8500_prcmu_config_hotdog(u8 threshold);
int db8500_prcmu_config_hotmon(u8 low, u8 high);
int db8500_prcmu_start_temp_sense(u16 cycles32k);
int db8500_prcmu_stop_temp_sense(void);
int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);

int prcmu_ac_wake_req(void);
void prcmu_ac_sleep_req(void);
void db8500_prcmu_modem_reset(void);

int db8500_prcmu_config_a9wdog(u8 num, bool sleep_auto_off);
int db8500_prcmu_enable_a9wdog(u8 id);
int db8500_prcmu_disable_a9wdog(u8 id);
int db8500_prcmu_kick_a9wdog(u8 id);
int db8500_prcmu_load_a9wdog(u8 id, u32 val);

void db8500_prcmu_system_reset(u16 reset_code);
int db8500_prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll);
u8 db8500_prcmu_get_power_state_result(void);
void db8500_prcmu_enable_wakeups(u32 wakeups);
int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state);
int db8500_prcmu_request_clock(u8 clock, bool enable);
void db8500_prcmu_config_abb_event_readout(u32 abb_events);
void db8500_prcmu_get_abb_event_buffer(void __iomem **buf);
int db8500_prcmu_config_esram0_deep_sleep(u8 state);
u16 db8500_prcmu_get_reset_code(void);
bool db8500_prcmu_is_ac_wake_requested(void);
int db8500_prcmu_set_arm_opp(u8 opp);
int db8500_prcmu_get_arm_opp(void);
int db8500_prcmu_set_ape_opp(u8 opp);
int db8500_prcmu_get_ape_opp(void);
int db8500_prcmu_request_ape_opp_100_voltage(bool enable);
int db8500_prcmu_get_ddr_opp(void);

u32 db8500_prcmu_read(unsigned int reg);
void db8500_prcmu_write(unsigned int reg, u32 value);
void db8500_prcmu_write_masked(unsigned int reg, u32 mask, u32 value);

#else /* !CONFIG_MFD_DB8500_PRCMU */

static inline void db8500_prcmu_early_init(void) {}

static inline int prcmu_set_rc_a2p(enum romcode_write code)
{
	return 0;
}

static inline enum romcode_read prcmu_get_rc_p2a(void)
{
	return INIT;
}

static inline enum ap_pwrst prcmu_get_xp70_current_state(void)
{
	return AP_EXECUTE;
}

static inline bool prcmu_has_arm_maxopp(void)
{
	return false;
}

static inline struct prcmu_fw_version *prcmu_get_fw_version(void)
{
	return NULL;

Annotation

Implementation Notes