| /* | |
| * Maxim8925 Interface | |
| * | |
| * Copyright (C) 2009 Marvell International Ltd. | |
| * Haojian Zhuang <haojian.zhuang@marvell.com> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #ifndef __LINUX_MFD_MAX8925_H | |
| #define __LINUX_MFD_MAX8925_H | |
| #include <linux/mutex.h> | |
| #include <linux/interrupt.h> | |
| /* Unified sub device IDs for MAX8925 */ | |
| enum { | |
| MAX8925_ID_SD1, | |
| MAX8925_ID_SD2, | |
| MAX8925_ID_SD3, | |
| MAX8925_ID_LDO1, | |
| MAX8925_ID_LDO2, | |
| MAX8925_ID_LDO3, | |
| MAX8925_ID_LDO4, | |
| MAX8925_ID_LDO5, | |
| MAX8925_ID_LDO6, | |
| MAX8925_ID_LDO7, | |
| MAX8925_ID_LDO8, | |
| MAX8925_ID_LDO9, | |
| MAX8925_ID_LDO10, | |
| MAX8925_ID_LDO11, | |
| MAX8925_ID_LDO12, | |
| MAX8925_ID_LDO13, | |
| MAX8925_ID_LDO14, | |
| MAX8925_ID_LDO15, | |
| MAX8925_ID_LDO16, | |
| MAX8925_ID_LDO17, | |
| MAX8925_ID_LDO18, | |
| MAX8925_ID_LDO19, | |
| MAX8925_ID_LDO20, | |
| MAX8925_ID_MAX, | |
| }; | |
| enum { | |
| /* | |
| * Charging current threshold trigger going from fast charge | |
| * to TOPOFF charge. From 5% to 20% of fasting charging current. | |
| */ | |
| MAX8925_TOPOFF_THR_5PER, | |
| MAX8925_TOPOFF_THR_10PER, | |
| MAX8925_TOPOFF_THR_15PER, | |
| MAX8925_TOPOFF_THR_20PER, | |
| }; | |
| enum { | |
| /* Fast charging current */ | |
| MAX8925_FCHG_85MA, | |
| MAX8925_FCHG_300MA, | |
| MAX8925_FCHG_460MA, | |
| MAX8925_FCHG_600MA, | |
| MAX8925_FCHG_700MA, | |
| MAX8925_FCHG_800MA, | |
| MAX8925_FCHG_900MA, | |
| MAX8925_FCHG_1000MA, | |
| }; | |
| /* Charger registers */ | |
| #define MAX8925_CHG_IRQ1 (0x7e) | |
| #define MAX8925_CHG_IRQ2 (0x7f) | |
| #define MAX8925_CHG_IRQ1_MASK (0x80) | |
| #define MAX8925_CHG_IRQ2_MASK (0x81) | |
| #define MAX8925_CHG_STATUS (0x82) | |
| /* GPM registers */ | |
| #define MAX8925_SYSENSEL (0x00) | |
| #define MAX8925_ON_OFF_IRQ1 (0x01) | |
| #define MAX8925_ON_OFF_IRQ1_MASK (0x02) | |
| #define MAX8925_ON_OFF_STATUS (0x03) | |
| #define MAX8925_ON_OFF_IRQ2 (0x0d) | |
| #define MAX8925_ON_OFF_IRQ2_MASK (0x0e) | |
| #define MAX8925_RESET_CNFG (0x0f) | |
| /* Touch registers */ | |
| #define MAX8925_TSC_IRQ (0x00) | |
| #define MAX8925_TSC_IRQ_MASK (0x01) | |
| #define MAX8925_TSC_CNFG1 (0x02) | |
| #define MAX8925_ADC_SCHED (0x10) | |
| #define MAX8925_ADC_RES_END (0x6f) | |
| #define MAX8925_NREF_OK (1 << 4) | |
| /* RTC registers */ | |
| #define MAX8925_ALARM0_CNTL (0x18) | |
| #define MAX8925_ALARM1_CNTL (0x19) | |
| #define MAX8925_RTC_IRQ (0x1c) | |
| #define MAX8925_RTC_IRQ_MASK (0x1d) | |
| #define MAX8925_MPL_CNTL (0x1e) | |
| /* WLED registers */ | |
| #define MAX8925_WLED_MODE_CNTL (0x84) | |
| #define MAX8925_WLED_CNTL (0x85) | |
| /* MAX8925 Registers */ | |
| #define MAX8925_SDCTL1 (0x04) | |
| #define MAX8925_SDCTL2 (0x07) | |
| #define MAX8925_SDCTL3 (0x0A) | |
| #define MAX8925_SDV1 (0x06) | |
| #define MAX8925_SDV2 (0x09) | |
| #define MAX8925_SDV3 (0x0C) | |
| #define MAX8925_LDOCTL1 (0x18) | |
| #define MAX8925_LDOCTL2 (0x1C) | |
| #define MAX8925_LDOCTL3 (0x20) | |
| #define MAX8925_LDOCTL4 (0x24) | |
| #define MAX8925_LDOCTL5 (0x28) | |
| #define MAX8925_LDOCTL6 (0x2C) | |
| #define MAX8925_LDOCTL7 (0x30) | |
| #define MAX8925_LDOCTL8 (0x34) | |
| #define MAX8925_LDOCTL9 (0x38) | |
| #define MAX8925_LDOCTL10 (0x3C) | |
| #define MAX8925_LDOCTL11 (0x40) | |
| #define MAX8925_LDOCTL12 (0x44) | |
| #define MAX8925_LDOCTL13 (0x48) | |
| #define MAX8925_LDOCTL14 (0x4C) | |
| #define MAX8925_LDOCTL15 (0x50) | |
| #define MAX8925_LDOCTL16 (0x10) | |
| #define MAX8925_LDOCTL17 (0x14) | |
| #define MAX8925_LDOCTL18 (0x72) | |
| #define MAX8925_LDOCTL19 (0x5C) | |
| #define MAX8925_LDOCTL20 (0x9C) | |
| #define MAX8925_LDOVOUT1 (0x1A) | |
| #define MAX8925_LDOVOUT2 (0x1E) | |
| #define MAX8925_LDOVOUT3 (0x22) | |
| #define MAX8925_LDOVOUT4 (0x26) | |
| #define MAX8925_LDOVOUT5 (0x2A) | |
| #define MAX8925_LDOVOUT6 (0x2E) | |
| #define MAX8925_LDOVOUT7 (0x32) | |
| #define MAX8925_LDOVOUT8 (0x36) | |
| #define MAX8925_LDOVOUT9 (0x3A) | |
| #define MAX8925_LDOVOUT10 (0x3E) | |
| #define MAX8925_LDOVOUT11 (0x42) | |
| #define MAX8925_LDOVOUT12 (0x46) | |
| #define MAX8925_LDOVOUT13 (0x4A) | |
| #define MAX8925_LDOVOUT14 (0x4E) | |
| #define MAX8925_LDOVOUT15 (0x52) | |
| #define MAX8925_LDOVOUT16 (0x12) | |
| #define MAX8925_LDOVOUT17 (0x16) | |
| #define MAX8925_LDOVOUT18 (0x74) | |
| #define MAX8925_LDOVOUT19 (0x5E) | |
| #define MAX8925_LDOVOUT20 (0x9E) | |
| /* bit definitions */ | |
| #define CHG_IRQ1_MASK (0x07) | |
| #define CHG_IRQ2_MASK (0xff) | |
| #define ON_OFF_IRQ1_MASK (0xff) | |
| #define ON_OFF_IRQ2_MASK (0x03) | |
| #define TSC_IRQ_MASK (0x03) | |
| #define RTC_IRQ_MASK (0x0c) | |
| #define MAX8925_MAX_REGULATOR (23) | |
| #define MAX8925_NAME_SIZE (32) | |
| /* IRQ definitions */ | |
| enum { | |
| MAX8925_IRQ_VCHG_DC_OVP, | |
| MAX8925_IRQ_VCHG_DC_F, | |
| MAX8925_IRQ_VCHG_DC_R, | |
| MAX8925_IRQ_VCHG_THM_OK_R, | |
| MAX8925_IRQ_VCHG_THM_OK_F, | |
| MAX8925_IRQ_VCHG_SYSLOW_F, | |
| MAX8925_IRQ_VCHG_SYSLOW_R, | |
| MAX8925_IRQ_VCHG_RST, | |
| MAX8925_IRQ_VCHG_DONE, | |
| MAX8925_IRQ_VCHG_TOPOFF, | |
| MAX8925_IRQ_VCHG_TMR_FAULT, | |
| MAX8925_IRQ_GPM_RSTIN, | |
| MAX8925_IRQ_GPM_MPL, | |
| MAX8925_IRQ_GPM_SW_3SEC, | |
| MAX8925_IRQ_GPM_EXTON_F, | |
| MAX8925_IRQ_GPM_EXTON_R, | |
| MAX8925_IRQ_GPM_SW_1SEC, | |
| MAX8925_IRQ_GPM_SW_F, | |
| MAX8925_IRQ_GPM_SW_R, | |
| MAX8925_IRQ_GPM_SYSCKEN_F, | |
| MAX8925_IRQ_GPM_SYSCKEN_R, | |
| MAX8925_IRQ_RTC_ALARM1, | |
| MAX8925_IRQ_RTC_ALARM0, | |
| MAX8925_IRQ_TSC_STICK, | |
| MAX8925_IRQ_TSC_NSTICK, | |
| MAX8925_NR_IRQS, | |
| }; | |
| struct max8925_chip { | |
| struct device *dev; | |
| struct i2c_client *i2c; | |
| struct i2c_client *adc; | |
| struct i2c_client *rtc; | |
| struct mutex io_lock; | |
| struct mutex irq_lock; | |
| int irq_base; | |
| int core_irq; | |
| int tsc_irq; | |
| unsigned int wakeup_flag; | |
| }; | |
| struct max8925_backlight_pdata { | |
| int lxw_scl; /* 0/1 -- 0.8Ohm/0.4Ohm */ | |
| int lxw_freq; /* 700KHz ~ 1400KHz */ | |
| int dual_string; /* 0/1 -- single/dual string */ | |
| }; | |
| struct max8925_touch_pdata { | |
| unsigned int flags; | |
| }; | |
| struct max8925_power_pdata { | |
| int (*set_charger)(int); | |
| unsigned batt_detect:1; | |
| unsigned topoff_threshold:2; | |
| unsigned fast_charge:3; /* charge current */ | |
| unsigned no_temp_support:1; /* set if no temperature detect */ | |
| unsigned no_insert_detect:1; /* set if no ac insert detect */ | |
| char **supplied_to; | |
| int num_supplicants; | |
| }; | |
| /* | |
| * irq_base: stores IRQ base number of MAX8925 in platform | |
| * tsc_irq: stores IRQ number of MAX8925 TSC | |
| */ | |
| struct max8925_platform_data { | |
| struct max8925_backlight_pdata *backlight; | |
| struct max8925_touch_pdata *touch; | |
| struct max8925_power_pdata *power; | |
| struct regulator_init_data *regulator[MAX8925_MAX_REGULATOR]; | |
| int irq_base; | |
| int tsc_irq; | |
| }; | |
| extern int max8925_reg_read(struct i2c_client *, int); | |
| extern int max8925_reg_write(struct i2c_client *, int, unsigned char); | |
| extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *); | |
| extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *); | |
| extern int max8925_set_bits(struct i2c_client *, int, unsigned char, | |
| unsigned char); | |
| extern int max8925_device_init(struct max8925_chip *, | |
| struct max8925_platform_data *); | |
| extern void max8925_device_exit(struct max8925_chip *); | |
| #endif /* __LINUX_MFD_MAX8925_H */ | |