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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/regulator/internal.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/regulator/internal.h')
-rw-r--r-- | drivers/regulator/internal.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/regulator/internal.h b/drivers/regulator/internal.h new file mode 100644 index 0000000000..fb4433068d --- /dev/null +++ b/drivers/regulator/internal.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * internal.h -- Voltage/Current Regulator framework internal code + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * Copyright 2008 SlimLogic Ltd. + * + * Author: Liam Girdwood <lrg@slimlogic.co.uk> + */ + +#ifndef __REGULATOR_INTERNAL_H +#define __REGULATOR_INTERNAL_H + +#include <linux/suspend.h> + +#define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1) + +#define rdev_crit(rdev, fmt, ...) \ + pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_err(rdev, fmt, ...) \ + pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_warn(rdev, fmt, ...) \ + pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_info(rdev, fmt, ...) \ + pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) +#define rdev_dbg(rdev, fmt, ...) \ + pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__) + +struct regulator_voltage { + int min_uV; + int max_uV; +}; + +/* + * struct regulator + * + * One for each consumer device. + * @voltage - a voltage array for each state of runtime, i.e.: + * PM_SUSPEND_ON + * PM_SUSPEND_TO_IDLE + * PM_SUSPEND_STANDBY + * PM_SUSPEND_MEM + * PM_SUSPEND_MAX + */ +struct regulator { + struct device *dev; + struct list_head list; + unsigned int always_on:1; + unsigned int bypass:1; + unsigned int device_link:1; + int uA_load; + unsigned int enable_count; + unsigned int deferred_disables; + struct regulator_voltage voltage[REGULATOR_STATES_NUM]; + const char *supply_name; + struct device_attribute dev_attr; + struct regulator_dev *rdev; + struct dentry *debugfs; +}; + +extern struct class regulator_class; + +static inline struct regulator_dev *dev_to_rdev(struct device *dev) +{ + return container_of(dev, struct regulator_dev, dev); +} + +#ifdef CONFIG_OF +struct regulator_dev *of_find_regulator_by_node(struct device_node *np); +struct regulator_init_data *regulator_of_get_init_data(struct device *dev, + const struct regulator_desc *desc, + struct regulator_config *config, + struct device_node **node); + +struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev, + int index); + +int of_get_n_coupled(struct regulator_dev *rdev); + +bool of_check_coupling_data(struct regulator_dev *rdev); + +#else +static inline struct regulator_dev * +of_find_regulator_by_node(struct device_node *np) +{ + return NULL; +} + +static inline struct regulator_init_data * +regulator_of_get_init_data(struct device *dev, + const struct regulator_desc *desc, + struct regulator_config *config, + struct device_node **node) +{ + return NULL; +} + +static inline struct regulator_dev * +of_parse_coupled_regulator(struct regulator_dev *rdev, + int index) +{ + return NULL; +} + +static inline int of_get_n_coupled(struct regulator_dev *rdev) +{ + return 0; +} + +static inline bool of_check_coupling_data(struct regulator_dev *rdev) +{ + return false; +} + +#endif +enum regulator_get_type { + NORMAL_GET, + EXCLUSIVE_GET, + OPTIONAL_GET, + MAX_GET_TYPE +}; + +struct regulator *_regulator_get(struct device *dev, const char *id, + enum regulator_get_type get_type); +int _regulator_bulk_get(struct device *dev, int num_consumers, + struct regulator_bulk_data *consumers, enum regulator_get_type get_type); +#endif |