include/linux/mfd/abx500.h

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