104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2007-2009 ST-Ericsson AB
|
||
|
|
* License terms: GNU General Public License (GPL) version 2
|
||
|
|
* AB3100 core access functions
|
||
|
|
* Author: Linus Walleij <linus.walleij@stericsson.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
|
||
|
|
#ifndef MFD_AB3100_H
|
||
|
|
#define MFD_AB3100_H
|
||
|
|
|
||
|
|
#define ABUNKNOWN 0
|
||
|
|
#define AB3000 1
|
||
|
|
#define AB3100 2
|
||
|
|
|
||
|
|
/*
|
||
|
|
* AB3100, EVENTA1, A2 and A3 event register flags
|
||
|
|
* these are catenated into a single 32-bit flag in the code
|
||
|
|
* for event notification broadcasts.
|
||
|
|
*/
|
||
|
|
#define AB3100_EVENTA1_ONSWA (0x01<<16)
|
||
|
|
#define AB3100_EVENTA1_ONSWB (0x02<<16)
|
||
|
|
#define AB3100_EVENTA1_ONSWC (0x04<<16)
|
||
|
|
#define AB3100_EVENTA1_DCIO (0x08<<16)
|
||
|
|
#define AB3100_EVENTA1_OVER_TEMP (0x10<<16)
|
||
|
|
#define AB3100_EVENTA1_SIM_OFF (0x20<<16)
|
||
|
|
#define AB3100_EVENTA1_VBUS (0x40<<16)
|
||
|
|
#define AB3100_EVENTA1_VSET_USB (0x80<<16)
|
||
|
|
|
||
|
|
#define AB3100_EVENTA2_READY_TX (0x01<<8)
|
||
|
|
#define AB3100_EVENTA2_READY_RX (0x02<<8)
|
||
|
|
#define AB3100_EVENTA2_OVERRUN_ERROR (0x04<<8)
|
||
|
|
#define AB3100_EVENTA2_FRAMING_ERROR (0x08<<8)
|
||
|
|
#define AB3100_EVENTA2_CHARG_OVERCURRENT (0x10<<8)
|
||
|
|
#define AB3100_EVENTA2_MIDR (0x20<<8)
|
||
|
|
#define AB3100_EVENTA2_BATTERY_REM (0x40<<8)
|
||
|
|
#define AB3100_EVENTA2_ALARM (0x80<<8)
|
||
|
|
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG5 (0x01)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG4 (0x02)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG3 (0x04)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG2 (0x08)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIGVBAT (0x10)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIGVTX (0x20)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG1 (0x40)
|
||
|
|
#define AB3100_EVENTA3_ADC_TRIG0 (0x80)
|
||
|
|
|
||
|
|
/* AB3100, STR register flags */
|
||
|
|
#define AB3100_STR_ONSWA (0x01)
|
||
|
|
#define AB3100_STR_ONSWB (0x02)
|
||
|
|
#define AB3100_STR_ONSWC (0x04)
|
||
|
|
#define AB3100_STR_DCIO (0x08)
|
||
|
|
#define AB3100_STR_BOOT_MODE (0x10)
|
||
|
|
#define AB3100_STR_SIM_OFF (0x20)
|
||
|
|
#define AB3100_STR_BATT_REMOVAL (0x40)
|
||
|
|
#define AB3100_STR_VBUS (0x80)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct ab3100
|
||
|
|
* @access_mutex: lock out concurrent accesses to the AB3100 registers
|
||
|
|
* @dev: pointer to the containing device
|
||
|
|
* @i2c_client: I2C client for this chip
|
||
|
|
* @testreg_client: secondary client for test registers
|
||
|
|
* @chip_name: name of this chip variant
|
||
|
|
* @chip_id: 8 bit chip ID for this chip variant
|
||
|
|
* @work: an event handling worker
|
||
|
|
* @event_subscribers: event subscribers are listed here
|
||
|
|
* @startup_events: a copy of the first reading of the event registers
|
||
|
|
* @startup_events_read: whether the first events have been read
|
||
|
|
*
|
||
|
|
* This struct is PRIVATE and devices using it should NOT
|
||
|
|
* access ANY fields. It is used as a token for calling the
|
||
|
|
* AB3100 functions.
|
||
|
|
*/
|
||
|
|
struct ab3100 {
|
||
|
|
struct mutex access_mutex;
|
||
|
|
struct device *dev;
|
||
|
|
struct i2c_client *i2c_client;
|
||
|
|
struct i2c_client *testreg_client;
|
||
|
|
char chip_name[32];
|
||
|
|
u8 chip_id;
|
||
|
|
struct work_struct work;
|
||
|
|
struct blocking_notifier_head event_subscribers;
|
||
|
|
u32 startup_events;
|
||
|
|
bool startup_events_read;
|
||
|
|
};
|
||
|
|
|
||
|
|
int ab3100_set_register(struct ab3100 *ab3100, u8 reg, u8 regval);
|
||
|
|
int ab3100_get_register(struct ab3100 *ab3100, u8 reg, u8 *regval);
|
||
|
|
int ab3100_get_register_page(struct ab3100 *ab3100,
|
||
|
|
u8 first_reg, u8 *regvals, u8 numregs);
|
||
|
|
int ab3100_mask_and_set_register(struct ab3100 *ab3100,
|
||
|
|
u8 reg, u8 andmask, u8 ormask);
|
||
|
|
u8 ab3100_get_chip_type(struct ab3100 *ab3100);
|
||
|
|
int ab3100_event_register(struct ab3100 *ab3100,
|
||
|
|
struct notifier_block *nb);
|
||
|
|
int ab3100_event_unregister(struct ab3100 *ab3100,
|
||
|
|
struct notifier_block *nb);
|
||
|
|
int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100,
|
||
|
|
u32 *fatevent);
|
||
|
|
|
||
|
|
#endif
|