Edit File: ab3100.h
/* * 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/regulator/machine.h> struct device; #ifndef MFD_AB3100_H #define MFD_AB3100_H #define AB3100_P1A 0xc0 #define AB3100_P1B 0xc1 #define AB3100_P1C 0xc2 #define AB3100_P1D 0xc3 #define AB3100_P1E 0xc4 #define AB3100_P1F 0xc5 #define AB3100_P1G 0xc6 #define AB3100_R2A 0xc7 #define AB3100_R2B 0xc8 /* * 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) /* * AB3100 contains 8 regulators, one external regulator controller * and a buck converter, further the LDO E and buck converter can * have separate settings if they are in sleep mode, this is * modeled as a separate regulator. */ #define AB3100_NUM_REGULATORS 10 /** * 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 * @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 blocking_notifier_head event_subscribers; u8 startup_events[3]; bool startup_events_read; }; /** * struct ab3100_platform_data * Data supplied to initialize board connections to the AB3100 * @reg_constraints: regulator constraints for target board * the order of these constraints are: LDO A, C, D, E, * F, G, H, K, EXT and BUCK. * @reg_initvals: initial values for the regulator registers * plus two sleep settings for LDO E and the BUCK converter. * exactly AB3100_NUM_REGULATORS+2 values must be sent in. * Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK, * BUCK sleep, LDO D. (LDO D need to be initialized last.) * @external_voltage: voltage level of the external regulator. */ struct ab3100_platform_data { struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS]; u8 reg_initvals[AB3100_NUM_REGULATORS+2]; int external_voltage; }; int ab3100_event_register(struct ab3100 *ab3100, struct notifier_block *nb); int ab3100_event_unregister(struct ab3100 *ab3100, struct notifier_block *nb); #endif /* MFD_AB3100_H */