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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef __LINUX_REGULATOR_DRIVER_H_#define __LINUX_REGULATOR_DRIVER_H_
#include <linux/device.h>#include <linux/linear_range.h>#include <linux/notifier.h>#include <linux/regulator/consumer.h>#include <linux/ww_mutex.h>
struct gpio_desc;struct regmap;struct regulator_dev;struct regulator_config;struct regulator_init_data;struct regulator_enable_gpio;
enum regulator_status { REGULATOR_STATUS_OFF, REGULATOR_STATUS_ON, REGULATOR_STATUS_ERROR, /* fast/normal/idle/standby are flavors of "on" */ REGULATOR_STATUS_FAST, REGULATOR_STATUS_NORMAL, REGULATOR_STATUS_IDLE, REGULATOR_STATUS_STANDBY, /* The regulator is enabled but not regulating */ REGULATOR_STATUS_BYPASS, /* in case that any other status doesn't apply */ REGULATOR_STATUS_UNDEFINED,};
enum regulator_detection_severity { /* Hardware shut down voltage outputs if condition is detected */ REGULATOR_SEVERITY_PROT, /* Hardware is probably damaged/inoperable */ REGULATOR_SEVERITY_ERR, /* Hardware is still recoverable but recovery action must be taken */ REGULATOR_SEVERITY_WARN,};
/* Initialize struct linear_range for regulators */#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV)
/* Initialize struct linear_range using voltages, not selectors */#define REGULATOR_LINEAR_VRANGE(_offs_uV, _min_uV, _max_uV, _step_uV) \ LINEAR_RANGE(_min_uV, ((_min_uV) - (_offs_uV)) / (_step_uV), \ ((_max_uV) - (_offs_uV)) / (_step_uV), _step_uV)
/** * struct regulator_ops - regulator operations. * * @enable: Configure the regulator as enabled. * @disable: Configure the regulator as disabled. * @is_enabled: Return 1 if the regulator is enabled, 0 if not. * May also return negative errno. * * @set_voltage: Set the voltage for the regulator within the range specified. * The driver should select the voltage closest to min_uV. * @set_voltage_sel: Set the voltage for the regulator using the specified * selector. * @map_voltage: Convert a voltage into a selector * @get_voltage: Return the currently configured voltage for the regulator; * return -ENOTRECOVERABLE if regulator can't be read at * bootup and hasn't been set yet. * @get_voltage_sel: Return the currently configured voltage selector for the * regulator; return -ENOTRECOVERABLE if regulator can't * be read at bootup and hasn't been set yet. * @list_voltage: Return one of the supported voltages, in microvolts; zero * if the selector indicates a voltage that is unusable on this system; * or negative errno. Selectors range from zero to one less than * regulator_desc.n_voltages. Voltages may be reported in any order. * * @set_current_limit: Configure a limit for a current-limited regulator. * The driver should select the current closest to max_uA. * @get_current_limit: Get the configured limit for a current-limited regulator. * @set_input_current_limit: Configure an input limit. * * @set_over_current_protection: Support enabling of and setting limits for over * current situation detection. Detection can be configured for three * levels of severity. * * - REGULATOR_SEVERITY_PROT should automatically shut down the regulator(s). * * - REGULATOR_SEVERITY_ERR should indicate that over-current situation is * caused by an unrecoverable error but HW does not perform * automatic shut down. * * - REGULATOR_SEVERITY_WARN should indicate situation where hardware is * still believed to not be damaged but that a board sepcific * recovery action is needed. If lim_uA is 0 the limit should not * be changed but the detection should just be enabled/disabled as * is requested. * * @set_over_voltage_protection: Support enabling of and setting limits for over * voltage situation detection. Detection can be configured for same * severities as over current protection. Units of uV. * @set_under_voltage_protection: Support enabling of and setting limits for * under voltage situation detection. Detection can be configured for same * severities as over current protection. Units of uV. * @set_thermal_protection: Support enabling of and setting limits for over * temperature situation detection.Detection can be configured for same * severities as over current protection. Units of degree Kelvin. * * @set_active_discharge: Set active discharge enable/disable of regulators. * * @set_mode: Set the configured operating mode for the regulator. * @get_mode: Get the configured operating mode for the regulator. * @get_error_flags: Get the current error(s) for the regulator. * @get_status: Return actual (not as-configured) status of regulator, as a * REGULATOR_STATUS value (or negative errno) * @get_optimum_mode: Get the most efficient operating mode for the regulator * when running with the specified parameters. * @set_load: Set the load for the regulator. * * @set_bypass: Set the regulator in bypass mode. * @get_bypass: Get the regulator bypass mode state. * * @enable_time: Time taken for the regulator voltage output voltage to * stabilise after being enabled, in microseconds. * @set_ramp_delay: Set the ramp delay for the regulator. The driver should * select ramp delay equal to or less than(closest) ramp_delay. * @set_voltage_time: Time taken for the regulator voltage output voltage * to stabilise after being set to a new value, in microseconds. * The function receives the from and to voltage as input, it * should return the worst case. * @set_voltage_time_sel: Time taken for the regulator voltage output voltage * to stabilise after being set to a new value, in microseconds. * The function receives the from and to voltage selector as * input, it should return the worst case. * @set_soft_start: Enable soft start for the regulator. * * @set_suspend_voltage: Set the voltage for the regulator when the system * is suspended. * @set_suspend_enable: Mark the regulator as enabled when the system is * suspended. * @set_suspend_disable: Mark the regulator as disabled when the system is * suspended. * @set_suspend_mode: Set the operating mode for the regulator when the * system is suspended. * @resume: Resume operation of suspended regulator. * @set_pull_down: Configure the regulator to pull down when the regulator * is disabled. * * This struct describes regulator operations which can be implemented by * regulator chip drivers. */struct regulator_ops {
/* enumerate supported voltages */ int (*list_voltage) (struct regulator_dev *, unsigned selector);
/* get/set regulator voltage */ int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV, unsigned *selector); int (*map_voltage)(struct regulator_dev *, int min_uV, int max_uV); int (*set_voltage_sel) (struct regulator_dev *, unsigned selector); int (*get_voltage) (struct regulator_dev *); int (*get_voltage_sel) (struct regulator_dev *);
/* get/set regulator current */ int (*set_current_limit) (struct regulator_dev *, int min_uA, int max_uA); int (*get_current_limit) (struct regulator_dev *);
int (*set_input_current_limit) (struct regulator_dev *, int lim_uA); int (*set_over_current_protection)(struct regulator_dev *, int lim_uA, int severity, bool enable); int (*set_over_voltage_protection)(struct regulator_dev *, int lim_uV, int severity, bool enable); int (*set_under_voltage_protection)(struct regulator_dev *, int lim_uV, int severity, bool enable); int (*set_thermal_protection)(struct regulator_dev *, int lim, int severity, bool enable); int (*set_active_discharge)(struct regulator_dev *, bool enable);
/* enable/disable regulator */ int (*enable) (struct regulator_dev *); int (*disable) (struct regulator_dev *); int (*is_enabled) (struct regulator_dev *);
/* get/set regulator operating mode (defined in consumer.h) */ int (*set_mode) (struct regulator_dev *, unsigned int mode); unsigned int (*get_mode) (struct regulator_dev *);
/* retrieve current error flags on the regulator */ int (*get_error_flags)(struct regulator_dev *, unsigned int *flags);
/* Time taken to enable or set voltage on the regulator */ int (*enable_time) (struct regulator_dev *); int (*set_ramp_delay) (struct regulator_dev *, int ramp_delay); int (*set_voltage_time) (struct regulator_dev *, int old_uV, int new_uV); int (*set_voltage_time_sel) (struct regulator_dev *, unsigned int old_selector, unsigned int new_selector);
int (*set_soft_start) (struct regulator_dev *);
/* report regulator status ... most other accessors report * control inputs, this reports results of combining inputs * from Linux (and other sources) with the actual load. * returns REGULATOR_STATUS_* or negative errno. */ int (*get_status)(struct regulator_dev *);
/* get most efficient regulator operating mode for load */ unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV, int output_uV, int load_uA); /* set the load on the regulator */ int (*set_load)(struct regulator_dev *, int load_uA);
/* control and report on bypass mode */ int (*set_bypass)(struct regulator_dev *dev, bool enable); int (*get_bypass)(struct regulator_dev *dev, bool *enable);
/* the operations below are for configuration of regulator state when * its parent PMIC enters a global STANDBY/HIBERNATE state */
/* set regulator suspend voltage */ int (*set_suspend_voltage) (struct regulator_dev *, int uV);
/* enable/disable regulator in suspend state */ int (*set_suspend_enable) (struct regulator_dev *); int (*set_suspend_disable) (struct regulator_dev *);
/* set regulator suspend operating mode (defined in consumer.h) */ int (*set_suspend_mode) (struct regulator_dev *, unsigned int mode);
int (*resume)(struct regulator_dev *rdev);
int (*set_pull_down) (struct regulator_dev *);};
/* * Regulators can either control voltage or current. */enum regulator_type { REGULATOR_VOLTAGE, REGULATOR_CURRENT,};
/** * struct regulator_desc - Static regulator descriptor * * Each regulator registered with the core is described with a * structure of this type and a struct regulator_config. This * structure contains the non-varying parts of the regulator * description. * * @name: Identifying name for the regulator. * @supply_name: Identifying the regulator supply * @of_match: Name used to identify regulator in DT. * @of_match_full_name: A flag to indicate that the of_match string, if * present, should be matched against the node full_name. * @regulators_node: Name of node containing regulator definitions in DT. * @of_parse_cb: Optional callback called only if of_match is present. * Will be called for each regulator parsed from DT, during * init_data parsing. * The regulator_config passed as argument to the callback will * be a copy of config passed to regulator_register, valid only * for this particular call. Callback may freely change the * config but it cannot store it for later usage. * Callback should return 0 on success or negative ERRNO * indicating failure. * @init_cb: Optional callback called after the parsing of init_data. * Allows the regulator to perform runtime init if necessary, * such as synching the regulator and the parsed constraints. * Callback should return 0 on success or negative ERRNO * indicating failure. * @id: Numerical identifier for the regulator. * @ops: Regulator operations table. * @irq: Interrupt number for the regulator. * @type: Indicates if the regulator is a voltage or current regulator. * @owner: Module providing the regulator, used for refcounting. * * @continuous_voltage_range: Indicates if the regulator can set any * voltage within constrains range. * @n_voltages: Number of selectors available for ops.list_voltage(). * @n_current_limits: Number of selectors available for current limits * * @min_uV: Voltage given by the lowest selector (if linear mapping) * @uV_step: Voltage increase with each selector (if linear mapping) * @linear_min_sel: Minimal selector for starting linear mapping * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) * @min_dropout_uV: The minimum dropout voltage this regulator can handle * @linear_ranges: A constant table of possible voltage ranges. * @linear_range_selectors_bitfield: A constant table of voltage range * selectors as bitfield values. If * pickable ranges are used each range * must have corresponding selector here. * @n_linear_ranges: Number of entries in the @linear_ranges (and in * linear_range_selectors_bitfield if used) table(s). * @volt_table: Voltage mapping table (if table based mapping) * @curr_table: Current limit mapping table (if table based mapping) * * @vsel_range_reg: Register for range selector when using pickable ranges * and ``regulator_map_*_voltage_*_pickable`` functions. * @vsel_range_mask: Mask for register bitfield used for range selector * @range_applied_by_vsel: A flag to indicate that changes to vsel_range_reg * are only effective after vsel_reg is written * @vsel_reg: Register for selector when using ``regulator_map_*_voltage_*`` * @vsel_mask: Mask for register bitfield used for selector * @vsel_step: Specify the resolution of selector stepping when setting * voltage. If 0, then no stepping is done (requested selector is * set directly), if >0 then the regulator API will ramp the * voltage up/down gradually each time increasing/decreasing the * selector by the specified step value. * @csel_reg: Register for current limit selector using regmap set_current_limit * @csel_mask: Mask for register bitfield used for current limit selector * @apply_reg: Register for initiate voltage change on the output when * using regulator_set_voltage_sel_regmap * @apply_bit: Register bitfield used for initiate voltage change on the * output when using regulator_set_voltage_sel_regmap * @enable_reg: Register for control when using regmap enable/disable ops * @enable_mask: Mask for control when using regmap enable/disable ops * @enable_val: Enabling value for control when using regmap enable/disable ops * @disable_val: Disabling value for control when using regmap enable/disable ops * @enable_is_inverted: A flag to indicate set enable_mask bits to disable * when using regulator_enable_regmap and friends APIs. * @bypass_reg: Register for control when using regmap set_bypass * @bypass_mask: Mask for control when using regmap set_bypass * @bypass_val_on: Enabling value for control when using regmap set_bypass * @bypass_val_off: Disabling value for control when using regmap set_bypass * @active_discharge_off: Enabling value for control when using regmap * set_active_discharge * @active_discharge_on: Disabling value for control when using regmap * set_active_discharge * @active_discharge_mask: Mask for control when using regmap * set_active_discharge * @active_discharge_reg: Register for control when using regmap * set_active_discharge * @soft_start_reg: Register for control when using regmap set_soft_start * @soft_start_mask: Mask for control when using regmap set_soft_start * @soft_start_val_on: Enabling value for control when using regmap * set_soft_start * @pull_down_reg: Register for control when using regmap set_pull_down * @pull_down_mask: Mask for control when using regmap set_pull_down * @pull_down_val_on: Enabling value for control when using regmap * set_pull_down * * @ramp_reg: Register for controlling the regulator ramp-rate. * @ramp_mask: Bitmask for the ramp-rate control register. * @ramp_delay_table: Table for mapping the regulator ramp-rate values. Values * should be given in units of V/S (uV/uS). See the * regulator_set_ramp_delay_regmap(). * @n_ramp_values: number of elements at @ramp_delay_table. * * @enable_time: Time taken for initial enable of regulator (in uS). * @off_on_delay: guard time (in uS), before re-enabling a regulator * * @poll_enabled_time: The polling interval (in uS) to use while checking that * the regulator was actually enabled. Max upto enable_time. * * @of_map_mode: Maps a hardware mode defined in a DeviceTree to a standard mode */struct regulator_desc { const char *name; const char *supply_name; const char *of_match; bool of_match_full_name; const char *regulators_node; int (*of_parse_cb)(struct device_node *, const struct regulator_desc *, struct regulator_config *); int (*init_cb)(struct regulator_dev *, struct regulator_config *); int id; unsigned int continuous_voltage_range:1; unsigned n_voltages; unsigned int n_current_limits; const struct regulator_ops *ops; int irq; enum regulator_type type; struct module *owner;
unsigned int min_uV; unsigned int uV_step; unsigned int linear_min_sel; int fixed_uV; unsigned int ramp_delay; int min_dropout_uV;
const struct linear_range *linear_ranges; const unsigned int *linear_range_selectors_bitfield;
int n_linear_ranges;
const unsigned int *volt_table; const unsigned int *curr_table;
unsigned int vsel_range_reg; unsigned int vsel_range_mask; bool range_applied_by_vsel; unsigned int vsel_reg; unsigned int vsel_mask; unsigned int vsel_step; unsigned int csel_reg; unsigned int csel_mask; unsigned int apply_reg; unsigned int apply_bit; unsigned int enable_reg; unsigned int enable_mask; unsigned int enable_val; unsigned int disable_val; bool enable_is_inverted; unsigned int bypass_reg; unsigned int bypass_mask; unsigned int bypass_val_on; unsigned int bypass_val_off; unsigned int active_discharge_on; unsigned int active_discharge_off; unsigned int active_discharge_mask; unsigned int active_discharge_reg; unsigned int soft_start_reg; unsigned int soft_start_mask; unsigned int soft_start_val_on; unsigned int pull_down_reg; unsigned int pull_down_mask; unsigned int pull_down_val_on; unsigned int ramp_reg; unsigned int ramp_mask; const unsigned int *ramp_delay_table; unsigned int n_ramp_values;
unsigned int enable_time;
unsigned int off_on_delay;
unsigned int poll_enabled_time;
unsigned int (*of_map_mode)(unsigned int mode);};
/** * struct regulator_config - Dynamic regulator descriptor * * Each regulator registered with the core is described with a * structure of this type and a struct regulator_desc. This structure * contains the runtime variable parts of the regulator description. * * @dev: struct device for the regulator * @init_data: platform provided init data, passed through by driver * @driver_data: private regulator data * @of_node: OpenFirmware node to parse for device tree bindings (may be * NULL). * @regmap: regmap to use for core regmap helpers if dev_get_regmap() is * insufficient. * @ena_gpiod: GPIO controlling regulator enable. */struct regulator_config { struct device *dev; const struct regulator_init_data *init_data; void *driver_data; struct device_node *of_node; struct regmap *regmap;
struct gpio_desc *ena_gpiod;};
/** * struct regulator_err_state - regulator error/notification status * * @rdev: Regulator which status the struct indicates. * @notifs: Events which have occurred on the regulator. * @errors: Errors which are active on the regulator. * @possible_errs: Errors which can be signaled (by given IRQ). */struct regulator_err_state { struct regulator_dev *rdev; unsigned long notifs; unsigned long errors; int possible_errs;};
/** * struct regulator_irq_data - regulator error/notification status data * * @states: Status structs for each of the associated regulators. * @num_states: Amount of associated regulators. * @data: Driver data pointer given at regulator_irq_desc. * @opaque: Value storage for IC driver. Core does not update this. ICs * may want to store status register value here at map_event and * compare contents at 'renable' callback to see if new problems * have been added to status. If that is the case it may be * desirable to return REGULATOR_ERROR_CLEARED and not * REGULATOR_ERROR_ON to allow IRQ fire again and to generate * notifications also for the new issues. * * This structure is passed to 'map_event' and 'renable' callbacks for * reporting regulator status to core. */struct regulator_irq_data { struct regulator_err_state *states; int num_states; void *data; long opaque;};
/** * struct regulator_irq_desc - notification sender for IRQ based events. * * @name: The visible name for the IRQ * @fatal_cnt: If this IRQ is used to signal HW damaging condition it may be * best to shut-down regulator(s) or reboot the SOC if error * handling is repeatedly failing. If fatal_cnt is given the IRQ * handling is aborted if it fails for fatal_cnt times and die() * callback (if populated) is called. If die() is not populated * poweroff for the system is attempted in order to prevent any * further damage. * @reread_ms: The time which is waited before attempting to re-read status * at the worker if IC reading fails. Immediate re-read is done * if time is not specified. * @irq_off_ms: The time which IRQ is kept disabled before re-evaluating the * status for devices which keep IRQ disabled for duration of the * error. If this is not given the IRQ is left enabled and renable * is not called. * @skip_off: If set to true the IRQ handler will attempt to check if any of * the associated regulators are enabled prior to taking other * actions. If no regulators are enabled and this is set to true * a spurious IRQ is assumed and IRQ_NONE is returned. * @high_prio: Boolean to indicate that high priority WQ should be used. * @data: Driver private data pointer which will be passed as such to * the renable, map_event and die callbacks in regulator_irq_data. * @die: Protection callback. If IC status reading or recovery actions * fail fatal_cnt times this callback is called or system is * powered off. This callback should implement a final protection * attempt like disabling the regulator. If protection succeeded * die() may return 0. If anything else is returned the core * assumes final protection failed and attempts to perform a * poweroff as a last resort. * @map_event: Driver callback to map IRQ status into regulator devices with * events / errors. NOTE: callback MUST initialize both the * errors and notifs for all rdevs which it signals having * active events as core does not clean the map data. * REGULATOR_FAILED_RETRY can be returned to indicate that the * status reading from IC failed. If this is repeated for * fatal_cnt times the core will call die() callback or power-off * the system as a last resort to protect the HW. * @renable: Optional callback to check status (if HW supports that) before * re-enabling IRQ. If implemented this should clear the error * flags so that errors fetched by regulator_get_error_flags() * are updated. If callback is not implemented then errors are * assumed to be cleared and IRQ is re-enabled. * REGULATOR_FAILED_RETRY can be returned to * indicate that the status reading from IC failed. If this is * repeated for 'fatal_cnt' times the core will call die() * callback or if die() is not populated then attempt to power-off * the system as a last resort to protect the HW. * Returning zero indicates that the problem in HW has been solved * and IRQ will be re-enabled. Returning REGULATOR_ERROR_ON * indicates the error condition is still active and keeps IRQ * disabled. Please note that returning REGULATOR_ERROR_ON does * not retrigger evaluating what events are active or resending * notifications. If this is needed you probably want to return * zero and allow IRQ to retrigger causing events to be * re-evaluated and re-sent. * * This structure is used for registering regulator IRQ notification helper. */struct regulator_irq_desc { const char *name; int fatal_cnt; int reread_ms; int irq_off_ms; bool skip_off; bool high_prio; void *data;
int (*die)(struct regulator_irq_data *rid); int (*map_event)(int irq, struct regulator_irq_data *rid, unsigned long *dev_mask); int (*renable)(struct regulator_irq_data *rid);};
/* * Return values for regulator IRQ helpers. */enum { REGULATOR_ERROR_CLEARED, REGULATOR_FAILED_RETRY, REGULATOR_ERROR_ON,};
/* * struct coupling_desc * * Describes coupling of regulators. Each regulator should have * at least a pointer to itself in coupled_rdevs array. * When a new coupled regulator is resolved, n_resolved is * incremented. */struct coupling_desc { struct regulator_dev **coupled_rdevs; struct regulator_coupler *coupler; int n_resolved; int n_coupled;};
/* * struct regulator_dev * * Voltage / Current regulator class device. One for each * regulator. * * This should *not* be used directly by anything except the regulator * core and notification injection (which should take the mutex and do * no other direct access). */struct regulator_dev { const struct regulator_desc *desc; int exclusive; u32 use_count; u32 open_count; u32 bypass_count;
/* lists we belong to */ struct list_head list; /* list of all regulators */
/* lists we own */ struct list_head consumer_list; /* consumers we supply */
struct coupling_desc coupling_desc;
struct blocking_notifier_head notifier; struct ww_mutex mutex; /* consumer lock */ struct task_struct *mutex_owner; int ref_cnt; struct module *owner; struct device dev; struct device bdev; struct regulation_constraints *constraints; struct regulator *supply; /* for tree */ const char *supply_name; struct regmap *regmap;
struct delayed_work disable_work;
void *reg_data; /* regulator_dev data */
struct dentry *debugfs;
struct regulator_enable_gpio *ena_pin; unsigned int ena_gpio_state:1;
unsigned int constraints_pending:1; unsigned int is_switch:1;
/* time when this regulator was disabled last time */ ktime_t last_off; int cached_err; bool use_cached_err; spinlock_t err_lock;
int pw_requested_mW;
/* regulator notification forwarding */ struct notifier_block supply_fwd_nb;};
/* * Convert error flags to corresponding notifications. * * Can be used by drivers which use the notification helpers to * find out correct notification flags based on the error flags. Drivers * can avoid storing both supported notification and error flags which * may save few bytes. */static inline int regulator_err2notif(int err){ switch (err) { case REGULATOR_ERROR_UNDER_VOLTAGE: return REGULATOR_EVENT_UNDER_VOLTAGE; case REGULATOR_ERROR_OVER_CURRENT: return REGULATOR_EVENT_OVER_CURRENT; case REGULATOR_ERROR_REGULATION_OUT: return REGULATOR_EVENT_REGULATION_OUT; case REGULATOR_ERROR_FAIL: return REGULATOR_EVENT_FAIL; case REGULATOR_ERROR_OVER_TEMP: return REGULATOR_EVENT_OVER_TEMP; case REGULATOR_ERROR_UNDER_VOLTAGE_WARN: return REGULATOR_EVENT_UNDER_VOLTAGE_WARN; case REGULATOR_ERROR_OVER_CURRENT_WARN: return REGULATOR_EVENT_OVER_CURRENT_WARN; case REGULATOR_ERROR_OVER_VOLTAGE_WARN: return REGULATOR_EVENT_OVER_VOLTAGE_WARN; case REGULATOR_ERROR_OVER_TEMP_WARN: return REGULATOR_EVENT_OVER_TEMP_WARN; } return 0;}
struct regulator_dev *regulator_register(struct device *dev, const struct regulator_desc *regulator_desc, const struct regulator_config *config);struct regulator_dev *devm_regulator_register(struct device *dev, const struct regulator_desc *regulator_desc, const struct regulator_config *config);void regulator_unregister(struct regulator_dev *rdev);
int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data);void *devm_regulator_irq_helper(struct device *dev, const struct regulator_irq_desc *d, int irq, int irq_flags, int common_errs, int *per_rdev_errs, struct regulator_dev **rdev, int rdev_amount);void *regulator_irq_helper(struct device *dev, const struct regulator_irq_desc *d, int irq, int irq_flags, int common_errs, int *per_rdev_errs, struct regulator_dev **rdev, int rdev_amount);void regulator_irq_helper_cancel(void **handle);int regulator_irq_map_event_simple(int irq, struct regulator_irq_data *rid, unsigned long *dev_mask);
void *rdev_get_drvdata(struct regulator_dev *rdev);struct device *rdev_get_dev(struct regulator_dev *rdev);struct regmap *rdev_get_regmap(struct regulator_dev *rdev);int rdev_get_id(struct regulator_dev *rdev);
int regulator_mode_to_status(unsigned int);
int regulator_list_voltage_linear(struct regulator_dev *rdev, unsigned int selector);int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev, unsigned int selector);int regulator_list_voltage_linear_range(struct regulator_dev *rdev, unsigned int selector);int regulator_list_voltage_table(struct regulator_dev *rdev, unsigned int selector);int regulator_map_voltage_linear(struct regulator_dev *rdev, int min_uV, int max_uV);int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev, int min_uV, int max_uV);int regulator_map_voltage_linear_range(struct regulator_dev *rdev, int min_uV, int max_uV);int regulator_map_voltage_iterate(struct regulator_dev *rdev, int min_uV, int max_uV);int regulator_map_voltage_ascend(struct regulator_dev *rdev, int min_uV, int max_uV);int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev);int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev, unsigned int sel);int regulator_get_voltage_sel_regmap(struct regulator_dev *rdev);int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel);int regulator_is_enabled_regmap(struct regulator_dev *rdev);int regulator_enable_regmap(struct regulator_dev *rdev);int regulator_disable_regmap(struct regulator_dev *rdev);int regulator_set_voltage_time_sel(struct regulator_dev *rdev, unsigned int old_selector, unsigned int new_selector);int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable);int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable);int regulator_set_soft_start_regmap(struct regulator_dev *rdev);int regulator_set_pull_down_regmap(struct regulator_dev *rdev);
int regulator_set_active_discharge_regmap(struct regulator_dev *rdev, bool enable);int regulator_set_current_limit_regmap(struct regulator_dev *rdev, int min_uA, int max_uA);int regulator_get_current_limit_regmap(struct regulator_dev *rdev);void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);int regulator_find_closest_bigger(unsigned int target, const unsigned int *table, unsigned int num_sel, unsigned int *sel);int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay);int regulator_sync_voltage_rdev(struct regulator_dev *rdev);
/* * Helper functions intended to be used by regulator drivers prior registering * their regulators. */int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, unsigned int selector);
int regulator_desc_list_voltage_linear(const struct regulator_desc *desc, unsigned int selector);
#ifdef CONFIG_REGULATORconst char *rdev_get_name(struct regulator_dev *rdev);#elsestatic inline const char *rdev_get_name(struct regulator_dev *rdev){ return NULL;}#endif
#endif