/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef __LINUX_MFD_MAX7360_H
#define __LINUX_MFD_MAX7360_H

#include <linux/bits.h>

#define MAX7360_MAX_KEY_ROWS            8
#define MAX7360_MAX_KEY_COLS            8
#define MAX7360_MAX_KEY_NUM             (MAX7360_MAX_KEY_ROWS * MAX7360_MAX_KEY_COLS)
#define MAX7360_ROW_SHIFT               3

#define MAX7360_MAX_GPIO                8
#define MAX7360_MAX_GPO                 6
#define MAX7360_PORT_PWM_COUNT          8
#define MAX7360_PORT_RTR_PIN            (MAX7360_PORT_PWM_COUNT - 1)

/*
 * MAX7360 registers
 */
#define MAX7360_REG_KEYFIFO             0x00
#define MAX7360_REG_CONFIG              0x01
#define MAX7360_REG_DEBOUNCE            0x02
#define MAX7360_REG_INTERRUPT           0x03
#define MAX7360_REG_PORTS               0x04
#define MAX7360_REG_KEYREP              0x05
#define MAX7360_REG_SLEEP               0x06

/*
 * MAX7360 GPIO registers
 *
 * All these registers are reset together when writing bit 3 of
 * MAX7360_REG_GPIOCFG.
 */
#define MAX7360_REG_GPIOCFG             0x40
#define MAX7360_REG_GPIOCTRL            0x41
#define MAX7360_REG_GPIODEB             0x42
#define MAX7360_REG_GPIOCURR            0x43
#define MAX7360_REG_GPIOOUTM            0x44
#define MAX7360_REG_PWMCOM              0x45
#define MAX7360_REG_RTRCFG              0x46
#define MAX7360_REG_I2C_TIMEOUT         0x48
#define MAX7360_REG_GPIOIN              0x49
#define MAX7360_REG_RTR_CNT             0x4A
#define MAX7360_REG_PWMBASE             0x50
#define MAX7360_REG_PWMCFGBASE          0x58

#define MAX7360_REG_GPIO_LAST           0x5F

#define MAX7360_REG_PWM(x)              (MAX7360_REG_PWMBASE + (x))
#define MAX7360_REG_PWMCFG(x)           (MAX7360_REG_PWMCFGBASE + (x))

/*
 * Configuration register bits
 */
#define MAX7360_FIFO_EMPTY              0x3F
#define MAX7360_FIFO_OVERFLOW           0x7F
#define MAX7360_FIFO_RELEASE            BIT(6)
#define MAX7360_FIFO_COL                GENMASK(5, 3)
#define MAX7360_FIFO_ROW                GENMASK(2, 0)

#define MAX7360_CFG_SLEEP               BIT(7)
#define MAX7360_CFG_INTERRUPT           BIT(5)
#define MAX7360_CFG_KEY_RELEASE         BIT(3)
#define MAX7360_CFG_WAKEUP              BIT(1)
#define MAX7360_CFG_TIMEOUT             BIT(0)

#define MAX7360_DEBOUNCE                GENMASK(4, 0)
#define MAX7360_DEBOUNCE_MIN            9
#define MAX7360_DEBOUNCE_MAX            40
#define MAX7360_PORTS                   GENMASK(8, 5)

#define MAX7360_INTERRUPT_TIME_MASK     GENMASK(4, 0)
#define MAX7360_INTERRUPT_FIFO_MASK     GENMASK(7, 5)

#define MAX7360_PORT_CFG_INTERRUPT_MASK         BIT(7)
#define MAX7360_PORT_CFG_INTERRUPT_EDGES        BIT(6)
#define MAX7360_PORT_CFG_COMMON_PWM             BIT(5)

/*
 * Autosleep register values
 */
#define MAX7360_AUTOSLEEP_8192MS        0x01
#define MAX7360_AUTOSLEEP_4096MS        0x02
#define MAX7360_AUTOSLEEP_2048MS        0x03
#define MAX7360_AUTOSLEEP_1024MS        0x04
#define MAX7360_AUTOSLEEP_512MS         0x05
#define MAX7360_AUTOSLEEP_256MS         0x06

#define MAX7360_GPIO_CFG_RTR_EN         BIT(7)
#define MAX7360_GPIO_CFG_GPIO_EN        BIT(4)
#define MAX7360_GPIO_CFG_GPIO_RST       BIT(3)

#define MAX7360_ROT_DEBOUNCE            GENMASK(3, 0)
#define MAX7360_ROT_DEBOUNCE_MIN        0
#define MAX7360_ROT_DEBOUNCE_MAX        15
#define MAX7360_ROT_INTCNT              GENMASK(6, 4)
#define MAX7360_ROT_INTCNT_DLY          BIT(7)

#define MAX7360_INT_INTI                0
#define MAX7360_INT_INTK                1

#define MAX7360_INT_GPIO                0
#define MAX7360_INT_KEYPAD              1
#define MAX7360_INT_ROTARY              2

#define MAX7360_NR_INTERNAL_IRQS        3

#endif