| /* |
| * 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 |
