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

#ifndef EC_KONTRON_KEMPLD_INTERNAL_H
#define EC_KONTRON_KEMPLD_INTERNAL_H

#include <device/device.h>

/* i/o ports */
#define KEMPLD_IDX		0xa80
#define  KEMPLD_MUTEX_KEY	0x80
#define KEMPLD_DAT		0xa81

/* indexed registers */
#define KEMPLD_SPEC			0x06
#define  KEMPLD_SPEC_GET_MINOR(x)	((x) & 0x0f)
#define  KEMPLD_SPEC_GET_MAJOR(x)	((x) >> 4 & 0x0f)

#define KEMPLD_CFG			0x37
#define  KEMPLD_CFG_GPIO_I2C_MUX	(1 << 0)

#define KEMPLD_UART_0			0x30
#define KEMPLD_UART_1			0x31
#define  KEMPLD_UART_IRQ_SHIFT		0
#define  KEMPLD_UART_IRQ_MASK		(0xf << KEMPLD_UART_IRQ_SHIFT)
#define  KEMPLD_UART_IO_SHIFT		4
#define  KEMPLD_UART_IO_MASK		(0x3 << KEMPLD_UART_IO_SHIFT)
#define  KEMPLD_UART_ENABLE		0x80

#define KEMPLD_CLK 33333333 /* 33MHz */

#define KEMPLD_GPIO_MASK(pin_num)	(1 << ((pin_num) % 8))
#define KEMPLD_GPIO_DIR(pin_num)	(0x40 + (pin_num) / 8)
#define KEMPLD_GPIO_LVL(pin_num)	(0x42 + (pin_num) / 8)

void kempld_i2c_device_init(struct device *const dev);
int kempld_gpio_pads_config(struct device *dev);

#endif /* EC_KONTRON_KEMPLD_INTERNAL_H */