72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2007-2009 ST-Ericsson AB
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*
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* ABX500 core access functions.
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* The abx500 interface is used for the Analog Baseband chips.
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*
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* Author: Mattias Wallin <mattias.wallin@stericsson.com>
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* Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
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* Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
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* Author: Rickard Andersson <rickard.andersson@stericsson.com>
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*/
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#include <linux/regulator/machine.h>
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struct device;
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#ifndef MFD_ABX500_H
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#define MFD_ABX500_H
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/**
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* struct abx500_init_setting
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* Initial value of the registers for driver to use during setup.
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*/
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struct abx500_init_settings {
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u8 bank;
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u8 reg;
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u8 setting;
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};
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int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg,
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u8 value);
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int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg,
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u8 *value);
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int abx500_get_register_page_interruptible(struct device *dev, u8 bank,
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u8 first_reg, u8 *regvals, u8 numregs);
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int abx500_set_register_page_interruptible(struct device *dev, u8 bank,
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u8 first_reg, u8 *regvals, u8 numregs);
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/**
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* abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a
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* target register
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*
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* @dev: The AB sub device.
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* @bank: The i2c bank number.
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* @bitmask: The bit mask to use.
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* @bitvalues: The new bit values.
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*
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* Updates the value of an AB register:
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* value -> ((value & ~bitmask) | (bitvalues & bitmask))
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*/
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int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank,
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u8 reg, u8 bitmask, u8 bitvalues);
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int abx500_get_chip_id(struct device *dev);
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int abx500_event_registers_startup_state_get(struct device *dev, u8 *event);
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int abx500_startup_irq_enabled(struct device *dev, unsigned int irq);
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struct abx500_ops {
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int (*get_chip_id) (struct device *);
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int (*get_register) (struct device *, u8, u8, u8 *);
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int (*set_register) (struct device *, u8, u8, u8);
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int (*get_register_page) (struct device *, u8, u8, u8 *, u8);
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int (*set_register_page) (struct device *, u8, u8, u8 *, u8);
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int (*mask_and_set_register) (struct device *, u8, u8, u8, u8);
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int (*event_registers_startup_state_get) (struct device *, u8 *);
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int (*startup_irq_enabled) (struct device *, unsigned int);
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void (*dump_all_banks) (struct device *);
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};
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int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops);
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void abx500_remove_ops(struct device *dev);
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#endif
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