/*-
 * Copyright (c) 2016 Emmanuel Vadot <manu@freeebsd.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _AXP209REG_H_
#define _AXP209REG_H_

/* Power State Register */
#define AXP2XX_PSR              0x00
#define AXP2XX_PSR_ACIN         0x80
#define AXP2XX_PSR_ACIN_SHIFT   7
#define AXP2XX_PSR_VBUS         0x20
#define AXP2XX_PSR_VBUS_SHIFT   5

/* Shutdown and battery control */
#define AXP2XX_SHUTBAT          0x32
#define AXP2XX_SHUTBAT_SHUTDOWN 0x80

/* Voltage/Current Monitor */
#define AXP209_ACIN_VOLTAGE             0x56
#define AXP209_ACIN_CURRENT             0x58
#define AXP209_VBUS_VOLTAGE             0x5A
#define AXP209_VBUS_CURRENT             0x5C
#define AXP2XX_BAT_VOLTAGE              0x78
#define AXP2XX_BAT_CHARGE_CURRENT       0x7A
#define AXP2XX_BAT_DISCHARGE_CURRENT    0x7C

#define AXP209_VOLT_STEP        1700
#define AXP2XX_BATVOLT_STEP     1100
#define AXP209_ACCURRENT_STEP   625
#define AXP209_VBUSCURRENT_STEP 375
#define AXP2XX_BATCURRENT_STEP  500

/* Temperature monitor */
#define AXP209_TEMPMON          0x5e
#define AXP209_TEMPMON_MIN      1447    /* -144.7C */
#define AXP221_TEMPMON_MIN      2437    /* -243.7C */

#define AXP221_TEMPMON          0x56

/* Sensors conversion macros */
#define AXP209_SENSOR_H(a)      ((a) << 4)
#define AXP209_SENSOR_L(a)      ((a) & 0xf)
#define AXP209_SENSOR_BAT_H(a)  ((a) << 5)
#define AXP209_SENSOR_BAT_L(a)  ((a) & 0x1f)

#define AXP209_0C_TO_K          2732

/* ADC Sensors */
#define AXP2XX_ADC_ENABLE1      0x82
#define AXP209_ADC_ENABLE2      0x83

#define AXP2XX_ADC1_BATVOLT     (1 << 7)
#define AXP2XX_ADC1_BATCURRENT  (1 << 6)
#define AXP209_ADC1_ACVOLT      (1 << 5)
#define AXP221_ADC1_TEMP        (1 << 5)
#define AXP209_ADC1_ACCURRENT   (1 << 4)
#define AXP209_ADC1_VBUSVOLT    (1 << 3)
#define AXP209_ADC1_VBUSCURRENT (1 << 2)
#define AXP221_ADC1_TS_PIN      (1 << 0)

#define AXP209_ADC2_TEMP        (1 << 7)

/* Interrupt related registers */
#define AXP2XX_IRQ1_ENABLE      0x40
#define AXP2XX_IRQ1_STATUS      0x48
#define  AXP2XX_IRQ1_AC_OVERVOLT        (1 << 7)
#define  AXP2XX_IRQ1_AC_CONN            (1 << 6)
#define  AXP2XX_IRQ1_AC_DISCONN         (1 << 5)
#define  AXP2XX_IRQ1_VBUS_OVERVOLT      (1 << 4)
#define  AXP2XX_IRQ1_VBUS_CONN          (1 << 3)
#define  AXP2XX_IRQ1_VBUS_DISCONN       (1 << 2)
#define  AXP2XX_IRQ1_VBUS_LOW           (1 << 1)

#define AXP2XX_IRQ2_ENABLE      0x41
#define AXP2XX_IRQ2_STATUS      0x49
#define  AXP2XX_IRQ2_BATT_CONN                  (1 << 7)
#define  AXP2XX_IRQ2_BATT_DISCONN               (1 << 6)
#define  AXP2XX_IRQ2_BATT_CHARGE_ACCT_ON        (1 << 5)
#define  AXP2XX_IRQ2_BATT_CHARGE_ACCT_OFF       (1 << 4)
#define  AXP2XX_IRQ2_BATT_CHARGING              (1 << 3)
#define  AXP2XX_IRQ2_BATT_CHARGED               (1 << 2)
#define  AXP2XX_IRQ2_BATT_TEMP_OVER             (1 << 1)
#define  AXP2XX_IRQ2_BATT_TEMP_LOW              (1 << 0)

#define AXP2XX_IRQ3_ENABLE      0x42
#define AXP2XX_IRQ3_STATUS      0x4A
#define  AXP2XX_IRQ3_TEMP_OVER          (1 << 7)
#define  AXP2XX_IRQ3_CHARGE_CURRENT_LOW (1 << 6)
#define  AXP2XX_IRQ3_DCDC2_LOW          (1 << 4)
#define  AXP2XX_IRQ3_DCDC3_LOW          (1 << 3)
#define  AXP2XX_IRQ3_LDO3_LOW           (1 << 2)
#define  AXP2XX_IRQ3_PEK_SHORT          (1 << 1)
#define  AXP2XX_IRQ3_PEK_LONG           (1 << 0)

#define AXP2XX_IRQ4_ENABLE      0x43
#define AXP2XX_IRQ4_STATUS      0x4B
#define  AXP2XX_IRQ4_NOE_START          (1 << 7)
#define  AXP2XX_IRQ4_NOE_SHUT           (1 << 6)
#define  AXP2XX_IRQ4_VBUS_VALID         (1 << 5)
#define  AXP2XX_IRQ4_VBUS_INVALID       (1 << 4)
#define  AXP2XX_IRQ4_VBUS_SESSION       (1 << 3)
#define  AXP2XX_IRQ4_VBUS_SESSION_END   (1 << 2)
#define  AXP2XX_IRQ4_APS_LOW_1          (1 << 1)
#define  AXP2XX_IRQ4_APS_LOW_2          (1 << 0)

#define AXP2XX_IRQ5_ENABLE      0x44
#define AXP2XX_IRQ5_STATUS      0x4C
#define  AXP2XX_IRQ5_TIMER_EXPIRE       (1 << 7)
#define  AXP2XX_IRQ5_PEK_RISE_EDGE      (1 << 6)
#define  AXP2XX_IRQ5_PEK_FALL_EDGE      (1 << 5)
#define  AXP2XX_IRQ5_GPIO3      (1 << 3)
#define  AXP2XX_IRQ5_GPIO2      (1 << 2)
#define  AXP2XX_IRQ5_GPIO1      (1 << 1)
#define  AXP2XX_IRQ5_GPIO0      (1 << 0)

#define AXP2XX_IRQ_ACK          0xff

/* GPIOs registers */
#define AXP2XX_GPIO_FUNC_MASK           0x7

#define AXP2XX_GPIO_FUNC_DRVLO          0x0
#define AXP2XX_GPIO_FUNC_DRVHI          0x1
#define AXP2XX_GPIO_FUNC_INPUT          0x2

#define AXP2XX_GPIO0_CTRL       0x90
#define AXP2XX_GPIO1_CTRL       0x92
#define AXP209_GPIO2_CTRL       0x93
#define AXP2XX_GPIO_STATUS      0x94

/* Regulators registers */
#define AXP209_POWERCTL                 0x12
#define  AXP209_POWERCTL_LDO3           (1 << 6)
#define  AXP209_POWERCTL_DCDC2          (1 << 4)
#define  AXP209_POWERCTL_LDO4           (1 << 3)
#define  AXP209_POWERCTL_LDO2           (1 << 2)
#define  AXP209_POWERCTL_DCDC3          (1 << 1)

#define AXP221_POWERCTL_1               0x10
#define  AXP221_POWERCTL1_ALDO2         (1 << 7)
#define  AXP221_POWERCTL1_ALDO1         (1 << 6)
#define  AXP221_POWERCTL1_DCDC5         (1 << 5)
#define  AXP221_POWERCTL1_DCDC4         (1 << 4)
#define  AXP221_POWERCTL1_DCDC3         (1 << 3)
#define  AXP221_POWERCTL1_DCDC2         (1 << 2)
#define  AXP221_POWERCTL1_DCDC1         (1 << 1)
#define  AXP221_POWERCTL1_DC5LDO        (1 << 0)

#define AXP221_POWERCTL_2               0x12
#define  AXP221_POWERCTL2_DC1SW         (1 << 7)
#define  AXP221_POWERCTL2_DLDO4         (1 << 6)
#define  AXP221_POWERCTL2_DLDO3         (1 << 5)
#define  AXP221_POWERCTL2_DLDO2         (1 << 4)
#define  AXP221_POWERCTL2_DLDO1         (1 << 3)
#define  AXP221_POWERCTL2_ELDO3         (1 << 2)
#define  AXP221_POWERCTL2_ELDO2         (1 << 1)
#define  AXP221_POWERCTL2_ELDO1         (1 << 0)

#define AXP221_POWERCTL_3               0x14
#define  AXP221_POWERCTL3_ALDO3         (1 << 7)

#define AXP209_REG_DCDC2_VOLTAGE        0x23
#define AXP209_REG_DCDC3_VOLTAGE        0x27
#define AXP209_REG_LDO24_VOLTAGE        0x28
#define AXP209_REG_LDO3_VOLTAGE         0x29

#define AXP221_REG_DLDO1_VOLTAGE        0x15
#define AXP221_REG_DLDO2_VOLTAGE        0x16
#define AXP221_REG_DLDO3_VOLTAGE        0x17
#define AXP221_REG_DLDO4_VOLTAGE        0x18
#define AXP221_REG_ELDO1_VOLTAGE        0x19
#define AXP221_REG_ELDO2_VOLTAGE        0x1A
#define AXP221_REG_ELDO3_VOLTAGE        0x1B
#define AXP221_REG_DC5LDO_VOLTAGE       0x1C
#define AXP221_REG_DCDC1_VOLTAGE        0x21
#define AXP221_REG_DCDC2_VOLTAGE        0x22
#define AXP221_REG_DCDC3_VOLTAGE        0x23
#define AXP221_REG_DCDC4_VOLTAGE        0x24
#define AXP221_REG_DCDC5_VOLTAGE        0x25
#define AXP221_REG_DCDC23_VRC           0x27
#define AXP221_REG_ALDO1_VOLTAGE        0x28
#define AXP221_REG_ALDO2_VOLTAGE        0x29
#define AXP221_REG_ALDO3_VOLTAGE        0x2A

enum axp2xx_sensor {
        AXP209_ACVOLT,
        AXP209_ACCURRENT,
        AXP209_VBUSVOLT,
        AXP209_VBUSCURRENT,
        AXP2XX_TEMP,
        AXP2XX_BATVOLT,
        AXP2XX_BATCHARGECURRENT,
        AXP2XX_BATDISCHARGECURRENT,
};

enum axp2xx_regulators {
        AXP209_REG_ID_DCDC2,
        AXP209_REG_ID_DCDC3,
        AXP209_REG_ID_LDO1,
        AXP209_REG_ID_LDO2,
        AXP209_REG_ID_LDO3,
        /* LDO4 is weird, need to find a correct way to handle it */
        /* AXP209_REG_ID_LDO4, */
        AXP209_REG_ID_LDO5,
        AXP221_REG_ID_DLDO1,
        AXP221_REG_ID_DLDO2,
        AXP221_REG_ID_DLDO3,
        AXP221_REG_ID_DLDO4,
        AXP221_REG_ID_ELDO1,
        AXP221_REG_ID_ELDO2,
        AXP221_REG_ID_ELDO3,
        AXP221_REG_ID_DC5LDO,
        AXP221_REG_ID_DCDC1,
        AXP221_REG_ID_DCDC2,
        AXP221_REG_ID_DCDC3,
        AXP221_REG_ID_DCDC4,
        AXP221_REG_ID_DCDC5,
        AXP221_REG_ID_ALDO1,
        AXP221_REG_ID_ALDO2,
        AXP221_REG_ID_ALDO3,
        AXP221_REG_ID_DC1SW,
};

#endif /* _AXP209REG_H_ */