/*
 * Copyright (c) 2021 Microchip Technology Inc.
 * SPDX-License-Identifier: Apache-2.0
 */

/** @file
 * @brief Microchip XEC MCU family I2C port support.
 *
 */

#ifndef _MICROCHIP_MEC_SOC_I2C_H_
#define _MICROCHIP_MEC_SOC_I2C_H_

/* 144-pin package I2C port masks */
#if defined(CONFIG_SOC_MEC172X_NSZ)
#define MEC_I2C_PORT_MASK	0xFEFFU
#elif defined(CONFIG_SOC_MEC1501_HSZ)
#define MEC_I2C_PORT_MASK	0xFEFFU
#elif defined(CONFIG_SOC_MEC1701_QSZ)
#define MEC_I2C_PORT_MASK	0x07FFU
#endif

#define MCHP_I2C_PORT_0		0
#define MCHP_I2C_PORT_1		1
#define MCHP_I2C_PORT_2		2
#define MCHP_I2C_PORT_3		3
#define MCHP_I2C_PORT_4		4
#define MCHP_I2C_PORT_5		5
#define MCHP_I2C_PORT_6		6
#define MCHP_I2C_PORT_7		7
#define MCHP_I2C_PORT_8		8
#define MCHP_I2C_PORT_9		9
#define MCHP_I2C_PORT_10	10
#define MCHP_I2C_PORT_11	11
#define MCHP_I2C_PORT_12	12
#define MCHP_I2C_PORT_13	13
#define MCHP_I2C_PORT_14	14
#define MCHP_I2C_PORT_15	15
#define MCHP_I2C_PORT_MAX	16

/*
 * Read pin states of specified I2C port.
 * We GPIO control register always active RO pad input bit.
 * lines b[0]=SCL pin state at pad, b[1]=SDA pin state at pad
 * Returns 0 success or -EINVAL if port is not support or lines is NULL.
 */
#define SOC_I2C_SCL_POS		0
#define SOC_I2C_SDA_POS		1

int soc_i2c_port_lines_get(uint8_t port, uint32_t *lines);

#endif /* _MICROCHIP_MEC_SOC_I2C_H_ */