7525996670
Add touch screen input driver for TPS6507x family of multi-function chips. Uses the TPS6507x MFD driver. No interrupt support due to testing limitations of current hardware. Signed-off-by: Todd Fischer <todd.fischer@ridgerun.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
169 lines
5 KiB
C
169 lines
5 KiB
C
/* linux/mfd/tps6507x.h
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*
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* Functions to access TPS65070 power management chip.
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*
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* Copyright (c) 2009 RidgeRun (todd.fischer@ridgerun.com)
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*
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*
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* For licencing details see kernel-base/COPYING
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*/
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#ifndef __LINUX_MFD_TPS6507X_H
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#define __LINUX_MFD_TPS6507X_H
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/*
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* ----------------------------------------------------------------------------
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* Registers, all 8 bits
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* ----------------------------------------------------------------------------
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*/
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/* Register definitions */
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#define TPS6507X_REG_PPATH1 0X01
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#define TPS6507X_CHG_USB BIT(7)
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#define TPS6507X_CHG_AC BIT(6)
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#define TPS6507X_CHG_USB_PW_ENABLE BIT(5)
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#define TPS6507X_CHG_AC_PW_ENABLE BIT(4)
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#define TPS6507X_CHG_AC_CURRENT BIT(2)
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#define TPS6507X_CHG_USB_CURRENT BIT(0)
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#define TPS6507X_REG_INT 0X02
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#define TPS6507X_REG_MASK_AC_USB BIT(7)
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#define TPS6507X_REG_MASK_TSC BIT(6)
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#define TPS6507X_REG_MASK_PB_IN BIT(5)
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#define TPS6507X_REG_TSC_INT BIT(3)
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#define TPS6507X_REG_PB_IN_INT BIT(2)
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#define TPS6507X_REG_AC_USB_APPLIED BIT(1)
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#define TPS6507X_REG_AC_USB_REMOVED BIT(0)
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#define TPS6507X_REG_CHGCONFIG0 0X03
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#define TPS6507X_REG_CHGCONFIG1 0X04
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#define TPS6507X_CON_CTRL1_DCDC1_ENABLE BIT(4)
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#define TPS6507X_CON_CTRL1_DCDC2_ENABLE BIT(3)
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#define TPS6507X_CON_CTRL1_DCDC3_ENABLE BIT(2)
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#define TPS6507X_CON_CTRL1_LDO1_ENABLE BIT(1)
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#define TPS6507X_CON_CTRL1_LDO2_ENABLE BIT(0)
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#define TPS6507X_REG_CHGCONFIG2 0X05
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#define TPS6507X_REG_CHGCONFIG3 0X06
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#define TPS6507X_REG_ADCONFIG 0X07
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#define TPS6507X_ADCONFIG_AD_ENABLE BIT(7)
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#define TPS6507X_ADCONFIG_START_CONVERSION BIT(6)
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#define TPS6507X_ADCONFIG_CONVERSION_DONE BIT(5)
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#define TPS6507X_ADCONFIG_VREF_ENABLE BIT(4)
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#define TPS6507X_ADCONFIG_INPUT_AD_IN1 0
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#define TPS6507X_ADCONFIG_INPUT_AD_IN2 1
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#define TPS6507X_ADCONFIG_INPUT_AD_IN3 2
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#define TPS6507X_ADCONFIG_INPUT_AD_IN4 3
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#define TPS6507X_ADCONFIG_INPUT_TS_PIN 4
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#define TPS6507X_ADCONFIG_INPUT_BAT_CURRENT 5
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#define TPS6507X_ADCONFIG_INPUT_AC_VOLTAGE 6
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#define TPS6507X_ADCONFIG_INPUT_SYS_VOLTAGE 7
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#define TPS6507X_ADCONFIG_INPUT_CHARGER_VOLTAGE 8
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#define TPS6507X_ADCONFIG_INPUT_BAT_VOLTAGE 9
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#define TPS6507X_ADCONFIG_INPUT_THRESHOLD_VOLTAGE 10
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#define TPS6507X_ADCONFIG_INPUT_ISET1_VOLTAGE 11
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#define TPS6507X_ADCONFIG_INPUT_ISET2_VOLTAGE 12
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#define TPS6507X_ADCONFIG_INPUT_REAL_TSC 14
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#define TPS6507X_ADCONFIG_INPUT_TSC 15
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#define TPS6507X_REG_TSCMODE 0X08
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#define TPS6507X_TSCMODE_X_POSITION 0
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#define TPS6507X_TSCMODE_Y_POSITION 1
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#define TPS6507X_TSCMODE_PRESSURE 2
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#define TPS6507X_TSCMODE_X_PLATE 3
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#define TPS6507X_TSCMODE_Y_PLATE 4
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#define TPS6507X_TSCMODE_STANDBY 5
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#define TPS6507X_TSCMODE_ADC_INPUT 6
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#define TPS6507X_TSCMODE_DISABLE 7
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#define TPS6507X_REG_ADRESULT_1 0X09
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#define TPS6507X_REG_ADRESULT_2 0X0A
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#define TPS6507X_REG_ADRESULT_2_MASK (BIT(1) | BIT(0))
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#define TPS6507X_REG_PGOOD 0X0B
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#define TPS6507X_REG_PGOODMASK 0X0C
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#define TPS6507X_REG_CON_CTRL1 0X0D
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#define TPS6507X_CON_CTRL1_DCDC1_ENABLE BIT(4)
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#define TPS6507X_CON_CTRL1_DCDC2_ENABLE BIT(3)
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#define TPS6507X_CON_CTRL1_DCDC3_ENABLE BIT(2)
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#define TPS6507X_CON_CTRL1_LDO1_ENABLE BIT(1)
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#define TPS6507X_CON_CTRL1_LDO2_ENABLE BIT(0)
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#define TPS6507X_REG_CON_CTRL2 0X0E
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#define TPS6507X_REG_CON_CTRL3 0X0F
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#define TPS6507X_REG_DEFDCDC1 0X10
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#define TPS6507X_DEFDCDC1_DCDC1_EXT_ADJ_EN BIT(7)
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#define TPS6507X_DEFDCDC1_DCDC1_MASK 0X3F
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#define TPS6507X_REG_DEFDCDC2_LOW 0X11
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#define TPS6507X_DEFDCDC2_LOW_DCDC2_MASK 0X3F
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#define TPS6507X_REG_DEFDCDC2_HIGH 0X12
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#define TPS6507X_DEFDCDC2_HIGH_DCDC2_MASK 0X3F
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#define TPS6507X_REG_DEFDCDC3_LOW 0X13
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#define TPS6507X_DEFDCDC3_LOW_DCDC3_MASK 0X3F
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#define TPS6507X_REG_DEFDCDC3_HIGH 0X14
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#define TPS6507X_DEFDCDC3_HIGH_DCDC3_MASK 0X3F
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#define TPS6507X_REG_DEFSLEW 0X15
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#define TPS6507X_REG_LDO_CTRL1 0X16
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#define TPS6507X_REG_LDO_CTRL1_LDO1_MASK 0X0F
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#define TPS6507X_REG_DEFLDO2 0X17
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#define TPS6507X_REG_DEFLDO2_LDO2_MASK 0X3F
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#define TPS6507X_REG_WLED_CTRL1 0X18
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#define TPS6507X_REG_WLED_CTRL2 0X19
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/* VDCDC MASK */
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#define TPS6507X_DEFDCDCX_DCDC_MASK 0X3F
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#define TPS6507X_MAX_REGISTER 0X19
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/**
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* struct tps6507x_board - packages regulator and touchscreen init data
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* @tps6507x_regulator_data: regulator initialization values
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*
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* Board data may be used to initialize regulator and touchscreen.
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*/
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struct tps6507x_board {
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struct regulator_init_data *tps6507x_pmic_init_data;
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struct touchscreen_init_data *tps6507x_ts_init_data;
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};
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/**
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* struct tps6507x_dev - tps6507x sub-driver chip access routines
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* @read_dev() - I2C register read function
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* @write_dev() - I2C register write function
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*
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* Device data may be used to access the TPS6507x chip
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*/
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struct tps6507x_dev {
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struct device *dev;
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struct i2c_client *i2c_client;
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int (*read_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
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void *dest);
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int (*write_dev)(struct tps6507x_dev *tps6507x, char reg, int size,
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void *src);
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/* Client devices */
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struct tps6507x_pmic *pmic;
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struct tps6507x_ts *ts;
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};
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#endif /* __LINUX_MFD_TPS6507X_H */
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