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