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-rw-r--r--drivers/regulator/internal.h127
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