diff options
Diffstat (limited to 'include/linux/mfd/max8998-private.h')
| -rw-r--r-- | include/linux/mfd/max8998-private.h | 129 |
1 files changed, 96 insertions, 33 deletions
diff --git a/include/linux/mfd/max8998-private.h b/include/linux/mfd/max8998-private.h index 6dc75b3e2d3..7363dea6bbc 100644 --- a/include/linux/mfd/max8998-private.h +++ b/include/linux/mfd/max8998-private.h @@ -1,5 +1,5 @@ /* - * max8698.h - Voltage regulator driver for the Maxim 8998 + * max8998.h - Voltage regulator driver for the Maxim 8998 * * Copyright (C) 2009-2010 Samsung Electrnoics * Kyungmin Park <kyungmin.park@samsung.com> @@ -23,6 +23,8 @@ #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, @@ -46,12 +48,12 @@ enum { MAX8998_REG_ONOFF2, MAX8998_REG_ONOFF3, MAX8998_REG_ONOFF4, - MAX8998_REG_BUCK1_DVSARM1, - MAX8998_REG_BUCK1_DVSARM2, - MAX8998_REG_BUCK1_DVSARM3, - MAX8998_REG_BUCK1_DVSARM4, - MAX8998_REG_BUCK2_DVSINT1, - MAX8998_REG_BUCK2_DVSINT2, + 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, @@ -72,41 +74,102 @@ enum { 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 max8998_dev - max8998 master device for sub-drivers * @dev: master device of the chip (can be used to access platform data) - * @i2c_client: i2c client private data - * @dev_read(): chip register read function - * @dev_write(): chip register write function - * @dev_update(): chip register update function + * @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 i2c_client *i2c_client; - int (*dev_read)(struct max8998_dev *max8998, u8 reg, u8 *dest); - int (*dev_write)(struct max8998_dev *max8998, u8 reg, u8 val); - int (*dev_update)(struct max8998_dev *max8998, u8 reg, u8 val, u8 mask); + struct i2c_client *i2c; + struct i2c_client *rtc; struct mutex iolock; + struct mutex irqlock; + + int irq_base; + int irq; + int ono; + u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS]; + u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS]; + int type; }; -static inline int max8998_read_reg(struct max8998_dev *max8998, u8 reg, - u8 *value) -{ - return max8998->dev_read(max8998, reg, value); -} - -static inline int max8998_write_reg(struct max8998_dev *max8998, u8 reg, - u8 value) -{ - return max8998->dev_write(max8998, reg, value); -} - -static inline int max8998_update_reg(struct max8998_dev *max8998, u8 reg, - u8 value, u8 mask) -{ - return max8998->dev_update(max8998, reg, value, mask); -} +int max8998_irq_init(struct max8998_dev *max8998); +void max8998_irq_exit(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 */ |