diff options
Diffstat (limited to 'include/linux/mfd/rt5033.h')
| -rw-r--r-- | include/linux/mfd/rt5033.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h new file mode 100644 index 00000000..0037670c --- /dev/null +++ b/include/linux/mfd/rt5033.h @@ -0,0 +1,179 @@ +/* + * include/linux/mfd/rt5033.h + * + * Driver to Richtek RT5033 + * Multi function device -- Charger / Battery Gauge / DCDC Converter / LED Flashlight + * + * Copyright (C) 2013 Richtek Technology Corp. + * Author: Patrick Chang <patrick_chang@richtek.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; either version 2 + * of the License, or (at your option) any later version. + */ + +#ifndef RT5033_H +#define RT5033_H +/* delete below header caused it is only for this module*/ +/*#include <linux/rtdefs.h> */ + +#include <linux/mutex.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/kernel.h> + +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/device.h> +#include <linux/wakelock.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/workqueue.h> +#include <linux/slab.h> + +#include <linux/battery/sec_charging_common.h> + +#define RT5033_DRV_VER "1.2.1_S" + +#ifdef CONFIG_RT5033_SADDR +#define RT5033FG_SLAVE_ADDR_MSB (0x40) +#else +#define RT5033FG_SLAVE_ADDR_MSB (0x00) +#endif + +#define RT5033FG_SLAVE_ADDR (0x35|RT5033FG_SLAVE_ADDR_MSB) +#define RT5033_SLAVE_ADDR (0x34|RT5033FG_SLAVE_ADDR_MSB) + +#define RT5033_CHG_IRQ_REGS_NR 3 +#define RT5033_LED_IRQ_REGS_NR 1 +#define RT5033_PMIC_IRQ_REGS_NR 1 + +#define RT5033_IRQ_REGS_NR \ + (RT5033_CHG_IRQ_REGS_NR + \ + RT5033_LED_IRQ_REGS_NR + \ + RT5033_PMIC_IRQ_REGS_NR) + +enum { + RT5033_ID_LDO_SAFE = 0, + RT5033_ID_LDO1, + RT5033_ID_DCDC1, + RT5033_MAX_REGULATOR, +}; + +typedef union rt5033_irq_status { + struct { + uint8_t chg_irq_status[RT5033_CHG_IRQ_REGS_NR]; + uint8_t fled_irq_status[RT5033_LED_IRQ_REGS_NR]; + uint8_t pmic_irq_status[RT5033_PMIC_IRQ_REGS_NR]; + }; + struct { + uint8_t regs[RT5033_IRQ_REGS_NR]; + }; +} rt5033_irq_status_t; + +typedef union rt5033_pmic_shdn_ctrl { + struct { + uint8_t reserved : 2; + uint8_t buck_ocp_enshdn : 1; + uint8_t buck_lv_enshdn : 1; + uint8_t sldo_lv_enshdn : 1; + uint8_t ldo_lv_enshdn : 1; + uint8_t ot_enshdn : 1; + uint8_t vdda_uv_enshdn : 1; + } shdn_ctrl1; + uint8_t shdn_ctrl[1]; + +} rt5033_pmic_shdn_ctrl_t; + + +typedef struct rt5033_regulator_platform_data { + struct regulator_init_data *regulator[RT5033_MAX_REGULATOR]; +} rt5033_regulator_platform_data_t; + + +struct rt5033_fled_platform_data; + +typedef struct rt5033_charger_platform_data { + sec_charging_current_t *charging_current_table; + int chg_float_voltage; + char *charger_name; + uint32_t is_750kHz_switching : 1; + uint32_t is_fixed_switching : 1; +} rt5033_charger_platform_data_t; + +struct rt5033_mfd_platform_data { + rt5033_regulator_platform_data_t *regulator_platform_data; + struct rt5033_fled_platform_data *fled_platform_data; + int irq_gpio; + int irq_base; +#ifdef CONFIG_MFD_RT5033_EN_MRSTB + /* MRSTB function to reset charger */ + int mrstb_gpio; +#endif /* CONFIG_MFD_RT5033_EN_MRSTB */ +#ifdef CONFIG_CHARGER_RT5033 + rt5033_charger_platform_data_t *charger_platform_data; +#endif +}; + +#define rt5033_mfd_platform_data_t \ + struct rt5033_mfd_platform_data + +struct rt5033_charger_data; + +struct rt5033_mfd_chip { + struct i2c_client *i2c_client; + struct device *dev; + rt5033_mfd_platform_data_t *pdata; + int irq_base; + struct mutex io_lock; + struct mutex irq_lock; + struct mutex suspend_flag_lock; + struct wake_lock irq_wake_lock; + /* prev IRQ status and now IRQ_status*/ + rt5033_irq_status_t irq_status[2]; + /* irq_status_index ^= 0x01; after access irq*/ + int irq_status_index; + int irq; + uint8_t irq_masks_cache[RT5033_IRQ_REGS_NR]; + bool suspend_flag; + bool pending_irq; + struct rt5033_charger_data *charger; + +#ifdef CONFIG_FLED_RT5033 + struct rt5033_fled_info *fled_info; +#endif +#ifdef CONFIG_REGULATOR_RT5033 + struct rt5033_regulator_info *regulator_info[RT5033_MAX_REGULATOR]; +#endif +}; + +#define rt5033_mfd_chip_t \ + struct rt5033_mfd_chip + +extern int rt5033_block_read_device(struct i2c_client *i2c, + int reg, int bytes, void *dest); + +extern int rt5033_block_write_device(struct i2c_client *i2c, + int reg, int bytes, const void *src); + +extern int rt5033_reg_read(struct i2c_client *i2c, int reg_addr); +extern int rt5033_reg_write(struct i2c_client *i2c, int reg_addr, unsigned char data); +extern int rt5033_assign_bits(struct i2c_client *i2c, int reg_addr, unsigned char mask, + unsigned char data); +extern int rt5033_set_bits(struct i2c_client *i2c, int reg_addr, unsigned char mask); +extern int rt5033_clr_bits(struct i2c_client *i2c, int reg_addr, unsigned char mask); + +typedef enum { + RT5033_PREV_STATUS = 0, + RT5033_NOW_STATUS } rt5033_irq_status_sel_t; + +extern rt5033_irq_status_t *rt5033_get_irq_status(rt5033_mfd_chip_t *mfd_chip, + rt5033_irq_status_sel_t sel); + +#endif // RT5033_H |