| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2007-2009 ST-Ericsson AB |
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| 4 | * |
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| 5 | * ABX500 core access functions. |
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| 6 | * The abx500 interface is used for the Analog Baseband chips. |
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| 7 | * |
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| 8 | * Author: Mattias Wallin <mattias.wallin@stericsson.com> |
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| 9 | * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> |
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| 10 | * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> |
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| 11 | * Author: Rickard Andersson <rickard.andersson@stericsson.com> |
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| 12 | */ |
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| 13 | |
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| 14 | #include <linux/regulator/machine.h> |
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| 15 | |
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| 16 | struct device; |
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| 17 | |
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| 18 | #ifndef MFD_ABX500_H |
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| 19 | #define MFD_ABX500_H |
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| 20 | |
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| 21 | /** |
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| 22 | * struct abx500_init_setting |
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| 23 | * Initial value of the registers for driver to use during setup. |
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| 24 | */ |
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| 25 | struct abx500_init_settings { |
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| 26 | u8 bank; |
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| 27 | u8 reg; |
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| 28 | u8 setting; |
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| 29 | }; |
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| 30 | |
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| 31 | int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, |
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| 32 | u8 value); |
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| 33 | int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, |
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| 34 | u8 *value); |
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| 35 | int abx500_get_register_page_interruptible(struct device *dev, u8 bank, |
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| 36 | u8 first_reg, u8 *regvals, u8 numregs); |
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| 37 | int abx500_set_register_page_interruptible(struct device *dev, u8 bank, |
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| 38 | u8 first_reg, u8 *regvals, u8 numregs); |
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| 39 | /** |
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| 40 | * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a |
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| 41 | * target register |
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| 42 | * |
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| 43 | * @dev: The AB sub device. |
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| 44 | * @bank: The i2c bank number. |
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| 45 | * @bitmask: The bit mask to use. |
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| 46 | * @bitvalues: The new bit values. |
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| 47 | * |
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| 48 | * Updates the value of an AB register: |
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| 49 | * value -> ((value & ~bitmask) | (bitvalues & bitmask)) |
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| 50 | */ |
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| 51 | int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, |
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| 52 | u8 reg, u8 bitmask, u8 bitvalues); |
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| 53 | int abx500_get_chip_id(struct device *dev); |
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| 54 | int abx500_event_registers_startup_state_get(struct device *dev, u8 *event); |
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| 55 | int abx500_startup_irq_enabled(struct device *dev, unsigned int irq); |
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| 56 | |
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| 57 | struct abx500_ops { |
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| 58 | int (*get_chip_id) (struct device *); |
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| 59 | int (*get_register) (struct device *, u8, u8, u8 *); |
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| 60 | int (*set_register) (struct device *, u8, u8, u8); |
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| 61 | int (*get_register_page) (struct device *, u8, u8, u8 *, u8); |
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| 62 | int (*set_register_page) (struct device *, u8, u8, u8 *, u8); |
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| 63 | int (*mask_and_set_register) (struct device *, u8, u8, u8, u8); |
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| 64 | int (*event_registers_startup_state_get) (struct device *, u8 *); |
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| 65 | int (*startup_irq_enabled) (struct device *, unsigned int); |
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| 66 | void (*dump_all_banks) (struct device *); |
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| 67 | }; |
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| 68 | |
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| 69 | int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops); |
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| 70 | void abx500_remove_ops(struct device *dev); |
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| 71 | #endif |
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| 72 | |
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