111 lines
2.7 KiB
C
Executable File
111 lines
2.7 KiB
C
Executable File
/*
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* s2mpb02.h - Driver for the Samsung s2mpb02
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*
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* Copyright (C) 2014 Samsung Electrnoics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* S2MPB02 has Flash LED devices.
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* The devices share the same I2C bus and included in
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* this mfd driver.
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*/
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#ifndef __S2MPB02_H__
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#define __S2MPB02_H__
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#include <linux/i2c.h>
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#define MFD_DEV_NAME "s2mpb02"
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#define S2MPB02_I2C_ADDR (0xB2 >> 1)
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#define S2MPB02_REG_INVALID (0xff)
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#define S2MPB02_PMIC_REV(iodev) (iodev)->rev_num
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enum s2mpb02_types {
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TYPE_S2MPB02,
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};
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enum s2mpb02_irq_source {
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LED_INT = 0,
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S2MPB02_IRQ_GROUP_NR,
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};
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enum s2mpb02_irq {
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/* FLASH */
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S2MPB02_LED_IRQ_IRLED_END,
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S2MPB02_IRQ_NR,
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};
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struct s2mpb02_dev {
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struct device *dev;
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struct i2c_client *i2c; /* 0xB2; PMIC, Flash LED */
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struct mutex i2c_lock;
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int type;
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u8 rev_num; /* pmic Rev */
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int irq;
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int irq_base;
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int irq_gpio;
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bool wakeup;
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struct mutex irqlock;
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int irq_masks_cur[S2MPB02_IRQ_GROUP_NR];
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int irq_masks_cache[S2MPB02_IRQ_GROUP_NR];
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struct s2mpb02_platform_data *pdata;
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};
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#ifdef CONFIG_LEDS_S2MPB02
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struct s2mpb02_led_platform_data;
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#endif
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struct s2mpb02_regulator_data {
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int id;
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struct regulator_init_data *initdata;
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struct device_node *reg_node;
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};
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struct s2mpb02_platform_data {
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/* IRQ */
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int irq_base;
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int irq_gpio;
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bool wakeup;
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int num_regulators;
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struct s2mpb02_regulator_data *regulators;
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#ifdef CONFIG_LEDS_S2MPB02
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/* led (flash/torch) data */
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struct s2mpb02_led_platform_data *led_data;
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#endif
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};
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extern int s2mpb02_irq_init(struct s2mpb02_dev *s2mpb02);
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extern void s2mpb02_irq_exit(struct s2mpb02_dev *s2mpb02);
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extern int s2mpb02_irq_resume(struct s2mpb02_dev *s2mpb02);
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/* S2MPB02 shared i2c API function */
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extern int s2mpb02_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
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extern int s2mpb02_bulk_read(struct i2c_client *i2c, u8 reg, int count,
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u8 *buf);
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extern int s2mpb02_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
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extern int s2mpb02_bulk_write(struct i2c_client *i2c, u8 reg, int count,
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u8 *buf);
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extern int s2mpb02_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
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#endif /* __S2MPB02_H__ */
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