/* * max8998-private.h - Voltage regulator driver for the Maxim 8998 * * Copyright (C) 2009-2010 Samsung Electrnoics * Kyungmin Park <kyungmin.park@samsung.com> * Marek Szyprowski <m.szyprowski@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX8998_PRIV_H #define __LINUX_MFD_MAX8998_PRIV_H #define MAX8998_NUM_IRQ_REGS 4 /* MAX 8998 registers */ enum { MAX8998_REG_IRQ1, MAX8998_REG_IRQ2, MAX8998_REG_IRQ3, MAX8998_REG_IRQ4, MAX8998_REG_IRQM1, MAX8998_REG_IRQM2, MAX8998_REG_IRQM3, MAX8998_REG_IRQM4, MAX8998_REG_STATUS1, MAX8998_REG_STATUS2, MAX8998_REG_STATUSM1, MAX8998_REG_STATUSM2, MAX8998_REG_CHGR1, MAX8998_REG_CHGR2, MAX8998_REG_LDO_ACTIVE_DISCHARGE1, MAX8998_REG_LDO_ACTIVE_DISCHARGE2, MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, MAX8998_REG_ONOFF1, MAX8998_REG_ONOFF2, MAX8998_REG_ONOFF3, MAX8998_REG_ONOFF4, MAX8998_REG_BUCK1_VOLTAGE1, MAX8998_REG_BUCK1_VOLTAGE2, MAX8998_REG_BUCK1_VOLTAGE3, MAX8998_REG_BUCK1_VOLTAGE4, MAX8998_REG_BUCK2_VOLTAGE1, MAX8998_REG_BUCK2_VOLTAGE2, MAX8998_REG_BUCK3, MAX8998_REG_BUCK4, MAX8998_REG_LDO2_LDO3, MAX8998_REG_LDO4, MAX8998_REG_LDO5, MAX8998_REG_LDO6, MAX8998_REG_LDO7, MAX8998_REG_LDO8_LDO9, MAX8998_REG_LDO10_LDO11, MAX8998_REG_LDO12, MAX8998_REG_LDO13, MAX8998_REG_LDO14, MAX8998_REG_LDO15, MAX8998_REG_LDO16, MAX8998_REG_LDO17, MAX8998_REG_BKCHR, MAX8998_REG_LBCNFG1, MAX8998_REG_LBCNFG2, }; /* IRQ definitions */ enum { MAX8998_IRQ_DCINF, MAX8998_IRQ_DCINR, MAX8998_IRQ_JIGF, MAX8998_IRQ_JIGR, MAX8998_IRQ_PWRONF, MAX8998_IRQ_PWRONR, MAX8998_IRQ_WTSREVNT, MAX8998_IRQ_SMPLEVNT, MAX8998_IRQ_ALARM1, MAX8998_IRQ_ALARM0, MAX8998_IRQ_ONKEY1S, MAX8998_IRQ_TOPOFFR, MAX8998_IRQ_DCINOVPR, MAX8998_IRQ_CHGRSTF, MAX8998_IRQ_DONER, MAX8998_IRQ_CHGFAULT, MAX8998_IRQ_LOBAT1, MAX8998_IRQ_LOBAT2, MAX8998_IRQ_NR, }; /* MAX8998 various variants */ enum { TYPE_MAX8998 = 0, /* Default */ TYPE_LP3974, /* National version of MAX8998 */ TYPE_LP3979, /* Added AVS */ }; #define MAX8998_IRQ_DCINF_MASK (1 << 2) #define MAX8998_IRQ_DCINR_MASK (1 << 3) #define MAX8998_IRQ_JIGF_MASK (1 << 4) #define MAX8998_IRQ_JIGR_MASK (1 << 5) #define MAX8998_IRQ_PWRONF_MASK (1 << 6) #define MAX8998_IRQ_PWRONR_MASK (1 << 7) #define MAX8998_IRQ_WTSREVNT_MASK (1 << 0) #define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1) #define MAX8998_IRQ_ALARM1_MASK (1 << 2) #define MAX8998_IRQ_ALARM0_MASK (1 << 3) #define MAX8998_IRQ_ONKEY1S_MASK (1 << 0) #define MAX8998_IRQ_TOPOFFR_MASK (1 << 2) #define MAX8998_IRQ_DCINOVPR_MASK (1 << 3) #define MAX8998_IRQ_CHGRSTF_MASK (1 << 4) #define MAX8998_IRQ_DONER_MASK (1 << 5) #define MAX8998_IRQ_CHGFAULT_MASK (1 << 7) #define MAX8998_IRQ_LOBAT1_MASK (1 << 0) #define MAX8998_IRQ_LOBAT2_MASK (1 << 1) #define MAX8998_ENRAMP (1 << 4) struct irq_domain; /** * struct max8998_dev - max8998 master device for sub-drivers * @dev: master device of the chip (can be used to access platform data) * @pdata: platform data for the driver and subdrivers * @i2c: i2c client private data for regulator * @rtc: i2c client private data for rtc * @iolock: mutex for serializing io access * @irqlock: mutex for buslock * @irq_base: base IRQ number for max8998, required for IRQs * @irq: generic IRQ number for max8998 * @ono: power onoff IRQ number for max8998 * @irq_masks_cur: currently active value * @irq_masks_cache: cached hardware value * @type: indicate which max8998 "variant" is used */ struct max8998_dev { struct device *dev; struct max8998_platform_data *pdata; struct i2c_client *i2c; struct i2c_client *rtc; struct mutex iolock; struct mutex irqlock; unsigned int irq_base; struct irq_domain *irq_domain; int irq; int ono; u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS]; u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS]; unsigned long type; bool wakeup; }; int max8998_irq_init(struct max8998_dev *max8998); void max8998_irq_exit(struct max8998_dev *max8998); int max8998_irq_resume(struct max8998_dev *max8998); extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf); extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value); extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf); extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); #endif /* __LINUX_MFD_MAX8998_PRIV_H */
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