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125 lines
3.0 KiB
125 lines
3.0 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* internal.h -- Voltage/Current Regulator framework internal code |
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* |
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* Copyright 2007, 2008 Wolfson Microelectronics PLC. |
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* Copyright 2008 SlimLogic Ltd. |
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* |
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* Author: Liam Girdwood <[email protected]> |
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*/ |
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#ifndef __REGULATOR_INTERNAL_H |
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#define __REGULATOR_INTERNAL_H |
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#include <linux/suspend.h> |
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#define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1) |
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#define rdev_crit(rdev, fmt, ...) \ |
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pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) |
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#define rdev_err(rdev, fmt, ...) \ |
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pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) |
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#define rdev_warn(rdev, fmt, ...) \ |
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pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) |
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#define rdev_info(rdev, fmt, ...) \ |
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pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) |
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#define rdev_dbg(rdev, fmt, ...) \ |
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pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) |
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struct regulator_voltage { |
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int min_uV; |
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int max_uV; |
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}; |
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/* |
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* struct regulator |
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* |
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* One for each consumer device. |
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* @voltage - a voltage array for each state of runtime, i.e.: |
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* PM_SUSPEND_ON |
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* PM_SUSPEND_TO_IDLE |
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* PM_SUSPEND_STANDBY |
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* PM_SUSPEND_MEM |
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* PM_SUSPEND_MAX |
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*/ |
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struct regulator { |
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struct device *dev; |
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struct list_head list; |
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unsigned int always_on:1; |
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unsigned int bypass:1; |
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unsigned int device_link:1; |
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int uA_load; |
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unsigned int enable_count; |
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unsigned int deferred_disables; |
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struct regulator_voltage voltage[REGULATOR_STATES_NUM]; |
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const char *supply_name; |
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struct device_attribute dev_attr; |
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struct regulator_dev *rdev; |
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struct dentry *debugfs; |
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}; |
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extern struct class regulator_class; |
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static inline struct regulator_dev *dev_to_rdev(struct device *dev) |
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{ |
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return container_of(dev, struct regulator_dev, dev); |
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} |
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#ifdef CONFIG_OF |
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struct regulator_dev *of_find_regulator_by_node(struct device_node *np); |
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struct regulator_init_data *regulator_of_get_init_data(struct device *dev, |
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const struct regulator_desc *desc, |
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struct regulator_config *config, |
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struct device_node **node); |
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struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev, |
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int index); |
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int of_get_n_coupled(struct regulator_dev *rdev); |
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bool of_check_coupling_data(struct regulator_dev *rdev); |
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#else |
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static inline struct regulator_dev * |
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of_find_regulator_by_node(struct device_node *np) |
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{ |
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return NULL; |
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} |
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static inline struct regulator_init_data * |
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regulator_of_get_init_data(struct device *dev, |
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const struct regulator_desc *desc, |
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struct regulator_config *config, |
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struct device_node **node) |
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{ |
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return NULL; |
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} |
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static inline struct regulator_dev * |
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of_parse_coupled_regulator(struct regulator_dev *rdev, |
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int index) |
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{ |
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return NULL; |
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} |
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static inline int of_get_n_coupled(struct regulator_dev *rdev) |
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{ |
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return 0; |
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} |
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static inline bool of_check_coupling_data(struct regulator_dev *rdev) |
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{ |
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return false; |
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} |
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#endif |
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enum regulator_get_type { |
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NORMAL_GET, |
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EXCLUSIVE_GET, |
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OPTIONAL_GET, |
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MAX_GET_TYPE |
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}; |
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struct regulator *_regulator_get(struct device *dev, const char *id, |
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enum regulator_get_type get_type); |
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#endif
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