/*
   * (C) Copyright 2010
   * Texas Instruments, <www.ti.com>
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */

  #ifndef TWL6030_H
  #define TWL6030_H

  #include <common.h>
  #include <i2c.h>
  
  /* I2C chip addresses */
  #define TWL6030_CHIP_PM		0x48
  
  #define TWL6030_CHIP_USB	0x49
  #define TWL6030_CHIP_ADC	0x49
  #define TWL6030_CHIP_CHARGER	0x49
  #define TWL6030_CHIP_PWM	0x49

  /* Slave Address 0x48 */

  #define VMMC_CFG_STATE		0x9A
  #define VMMC_CFG_VOLTATE	0x9B

  #define VUSB_CFG_STATE		0xA2
  
  #define MISC1			0xE4
  #define VAC_MEAS		(1 << 2)
  #define VBAT_MEAS		(1 << 1)
  #define BB_MEAS			(1 << 0)
  
  #define MISC2			0xE5
  
  /* Slave Address 0x49 */

  /* Battery CHARGER REGISTERS */
  #define CONTROLLER_INT_MASK	0xE0
  #define CONTROLLER_CTRL1	0xE1
  #define CONTROLLER_WDG		0xE2
  #define CONTROLLER_STAT1	0xE3
  #define CHARGERUSB_INT_STATUS	0xE4
  #define CHARGERUSB_INT_MASK	0xE5
  #define CHARGERUSB_STATUS_INT1	0xE6
  #define CHARGERUSB_STATUS_INT2	0xE7
  #define CHARGERUSB_CTRL1	0xE8
  #define CHARGERUSB_CTRL2	0xE9
  #define CHARGERUSB_CTRL3	0xEA
  #define CHARGERUSB_STAT1	0xEB
  #define CHARGERUSB_VOREG	0xEC
  #define CHARGERUSB_VICHRG	0xED
  #define CHARGERUSB_CINLIMIT	0xEE
  #define CHARGERUSB_CTRLLIMIT1	0xEF
  
  /* CHARGERUSB_VICHRG */
  #define CHARGERUSB_VICHRG_500		0x4
  #define CHARGERUSB_VICHRG_1500		0xE
  /* CHARGERUSB_CINLIMIT */
  #define CHARGERUSB_CIN_LIMIT_100	0x1
  #define CHARGERUSB_CIN_LIMIT_300	0x5
  #define CHARGERUSB_CIN_LIMIT_500	0x9
  #define CHARGERUSB_CIN_LIMIT_NONE	0xF
  /* CONTROLLER_INT_MASK */
  #define MVAC_FAULT		(1 << 6)
  #define MAC_EOC			(1 << 5)
  #define MBAT_REMOVED		(1 << 4)
  #define MFAULT_WDG		(1 << 3)
  #define MBAT_TEMP		(1 << 2)
  #define MVBUS_DET		(1 << 1)
  #define MVAC_DET		(1 << 0)
  /* CHARGERUSB_INT_MASK */
  #define MASK_MCURRENT_TERM		(1 << 3)
  #define MASK_MCHARGERUSB_STAT		(1 << 2)
  #define MASK_MCHARGERUSB_THMREG		(1 << 1)
  #define MASK_MCHARGERUSB_FAULT		(1 << 0)
  /* CHARGERUSB_VOREG */
  #define CHARGERUSB_VOREG_3P52		0x01
  #define CHARGERUSB_VOREG_4P0		0x19
  #define CHARGERUSB_VOREG_4P2		0x23
  #define CHARGERUSB_VOREG_4P76		0x3F

  /* CHARGERUSB_CTRL1 */
  #define SUSPEND_BOOT		(1 << 7)
  #define OPA_MODE		(1 << 6)
  #define HZ_MODE			(1 << 5)
  #define TERM			(1 << 4)

  /* CHARGERUSB_CTRL2 */
  #define CHARGERUSB_CTRL2_VITERM_50	(0 << 5)
  #define CHARGERUSB_CTRL2_VITERM_100	(1 << 5)
  #define CHARGERUSB_CTRL2_VITERM_150	(2 << 5)

  #define CHARGERUSB_CTRL2_VITERM_400	(7 << 5)

  /* CONTROLLER_CTRL1 */
  #define CONTROLLER_CTRL1_EN_CHARGER	(1 << 4)
  #define CONTROLLER_CTRL1_SEL_CHARGER	(1 << 3)

  /* CONTROLLER_STAT1 */
  #define CHRG_EXTCHRG_STATZ	(1 << 7)
  #define CHRG_DET_N		(1 << 5)
  #define VAC_DET			(1 << 3)
  #define VBUS_DET		(1 << 2)

  #define FG_REG_10	0xCA
  #define FG_REG_11	0xCB
  
  #define TOGGLE1		0x90
  #define FGS		(1 << 5)
  #define FGR		(1 << 4)
  #define GPADCS		(1 << 1)
  #define GPADCR		(1 << 0)
  
  #define CTRL_P2		0x34
  #define CTRL_P2_SP2	(1 << 2)
  #define CTRL_P2_EOCP2	(1 << 1)
  #define CTRL_P2_BUSY	(1 << 0)

  #define TWL6032_CTRL_P1	0x36
  #define CTRL_P1_SP1	(1 << 3)

  #define GPCH0_LSB	0x57
  #define GPCH0_MSB	0x58

  #define TWL6032_GPCH0_LSB	0x3b
  
  #define TWL6032_GPSELECT_ISB	0x35
  
  #define USB_PRODUCT_ID_LSB	0x02
  
  #define TWL6030_GPADC_VBAT_CHNL	0x07
  #define TWL6032_GPADC_VBAT_CHNL	0x12
  
  #define TWL6030_GPADC_CTRL	0x2e
  #define TWL6032_GPADC_CTRL2	0x2f
  #define GPADC_CTRL2_CH18_SCALER_EN	(1 << 2)
  #define GPADC_CTRL_SCALER_DIV4		(1 << 3)

  #define TWL6030_VBAT_MULT	40 * 1000

  #define TWL6032_VBAT_MULT	25 * 1000

  
  #define TWL6030_VBAT_SHIFT	(10 + 3)

  #define TWL6032_VBAT_SHIFT	(12 + 2)

  
  enum twl603x_chip_type{
  	chip_TWL6030,

  	chip_TWL6032,

  	chip_TWL603X_cnt
  };
  
  struct twl6030_data{
  	u8 chip_type;
  	u8 adc_rbase;
  	u8 adc_ctrl;
  	u8 adc_enable;
  	int vbat_mult;
  	int vbat_shift;
  };

  /* Functions to read and write from TWL6030 */
  static inline int twl6030_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
  {
  	return i2c_write(chip_no, reg, 1, &val, 1);
  }
  
  static inline int twl6030_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
  {
  	return i2c_read(chip_no, reg, 1, val, 1);
  }

  void twl6030_init_battery_charging(void);
  void twl6030_usb_device_settings(void);

  void twl6030_start_usb_charging(void);
  void twl6030_stop_usb_charging(void);
  int twl6030_get_battery_voltage(void);
  int twl6030_get_battery_current(void);

  void twl6030_power_mmc_init(void);

  
  #endif /* TWL6030_H */