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Diffstat (limited to 'include/linux/mfd/samsung/core.h')
| -rw-r--r-- | include/linux/mfd/samsung/core.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h new file mode 100644 index 000000000000..b50c38f8bc48 --- /dev/null +++ b/include/linux/mfd/samsung/core.h @@ -0,0 +1,159 @@ +/* + * core.h + * + * copyright (c) 2011 Samsung Electronics Co., Ltd + * http://www.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. + * + */ + +#ifndef __LINUX_MFD_SEC_CORE_H +#define __LINUX_MFD_SEC_CORE_H + +#define NUM_IRQ_REGS 4 + +enum sec_device_type { + S5M8751X, + S5M8763X, + S5M8767X, + S2MPS11X, +}; + +/** + * struct sec_pmic_dev - s5m87xx master device for sub-drivers + * @dev: master device of the chip (can be used to access platform data) + * @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 sec-pmic, required for IRQs + * @irq: generic IRQ number for s5m87xx + * @ono: power onoff IRQ number for s5m87xx + * @irq_masks_cur: currently active value + * @irq_masks_cache: cached hardware value + * @type: indicate which s5m87xx "variant" is used + */ +struct sec_pmic_dev { + struct device *dev; + struct regmap *regmap; + struct i2c_client *i2c; + struct i2c_client *rtc; + struct mutex iolock; + struct mutex irqlock; + + int device_type; + int irq_base; + int irq; + struct regmap_irq_chip_data *irq_data; + + int ono; + u8 irq_masks_cur[NUM_IRQ_REGS]; + u8 irq_masks_cache[NUM_IRQ_REGS]; + int type; + bool wakeup; +}; + +int sec_irq_init(struct sec_pmic_dev *sec_pmic); +void sec_irq_exit(struct sec_pmic_dev *sec_pmic); +int sec_irq_resume(struct sec_pmic_dev *sec_pmic); + +extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest); +extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf); +extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value); +extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf); +extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask); + +struct sec_platform_data { + struct sec_regulator_data *regulators; + struct sec_opmode_data *opmode; + int device_type; + int num_regulators; + + int irq_base; + int (*cfg_pmic_irq)(void); + + int ono; + bool wakeup; + bool buck_voltage_lock; + + int buck_gpios[3]; + int buck_ds[3]; + int buck2_voltage[8]; + bool buck2_gpiodvs; + int buck3_voltage[8]; + bool buck3_gpiodvs; + int buck4_voltage[8]; + bool buck4_gpiodvs; + + int buck_set1; + int buck_set2; + int buck_set3; + int buck2_enable; + int buck3_enable; + int buck4_enable; + int buck_default_idx; + int buck2_default_idx; + int buck3_default_idx; + int buck4_default_idx; + + int buck_ramp_delay; + + int buck2_ramp_delay; + int buck34_ramp_delay; + int buck5_ramp_delay; + int buck16_ramp_delay; + int buck7810_ramp_delay; + int buck9_ramp_delay; + + bool buck2_ramp_enable; + bool buck3_ramp_enable; + bool buck4_ramp_enable; + bool buck6_ramp_enable; + + int buck2_init; + int buck3_init; + int buck4_init; +}; + +/** + * sec_regulator_data - regulator data + * @id: regulator id + * @initdata: regulator init data (contraints, supplies, ...) + */ +struct sec_regulator_data { + int id; + struct regulator_init_data *initdata; +}; + +/* + * sec_opmode_data - regulator operation mode data + * @id: regulator id + * @mode: regulator operation mode + */ +struct sec_opmode_data { + int id; + int mode; +}; + +/* + * samsung regulator operation mode + * SEC_OPMODE_OFF Regulator always OFF + * SEC_OPMODE_ON Regulator always ON + * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode + * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin + * If PWREN is high, regulator is on + * If PWREN is low, regulator is off + */ + +enum sec_opmode { + SEC_OPMODE_OFF, + SEC_OPMODE_ON, + SEC_OPMODE_LOWPOWER, + SEC_OPMODE_SUSPEND, +}; + +#endif /* __LINUX_MFD_SEC_CORE_H */ |