/*
 * Copyright (c) 2022 Vaishnav Achath
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_
#define TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_

#include <zephyr/types.h>

/* Defines for enabling/disabling an IO */
#define IOC_SLEW_ENABLE         0x00001000
#define IOC_SLEW_DISABLE        0x00000000
#define IOC_INPUT_ENABLE        0x20000000
#define IOC_INPUT_DISABLE       0x00000000
#define IOC_HYST_ENABLE         0x40000000
#define IOC_HYST_DISABLE        0x00000000

/* Defines that can be used to set the IO Mode of an IO */
#define IOC_IOMODE_NORMAL                0x00000000
#define IOC_IOMODE_INV                   0x01000000
#define IOC_IOMODE_OPEN_DRAIN_NORMAL     0x04000000
#define IOC_IOMODE_OPEN_DRAIN_INV        0x05000000
#define IOC_IOMODE_OPEN_SRC_NORMAL       0x06000000
#define IOC_IOMODE_OPEN_SRC_INV          0x07000000

/* Defines that can be used to set pull on an IO */
#define IOC_NO_IOPULL           0x00006000
#define IOC_IOPULL_UP           0x00004000
#define IOC_IOPULL_DOWN         0x00002000

typedef struct pinctrl_soc_pin_t {
	uint32_t pin;
	uint32_t iofunc;
	uint32_t iomode;
} pinctrl_soc_pin_t;

/* Convert DT flags to SoC flags */
#define CC13XX_CC26XX_PIN_FLAGS(node_id) \
	(DT_PROP(node_id, bias_pull_up) * IOC_IOPULL_UP | \
	DT_PROP(node_id, bias_pull_down) * IOC_IOPULL_DOWN | \
	DT_PROP(node_id, bias_disable) * IOC_NO_IOPULL |  \
	DT_PROP(node_id, drive_open_drain) * IOC_IOMODE_OPEN_DRAIN_NORMAL | \
	DT_PROP(node_id, drive_open_source) * IOC_IOMODE_OPEN_SRC_NORMAL | \
	DT_PROP(node_id, input_enable) * IOC_INPUT_ENABLE | \
	DT_PROP(node_id, input_schmitt_enable) * IOC_HYST_ENABLE)

#define CC13XX_CC26XX_DT_PIN(node_id)					\
	{							\
		.pin = DT_PROP_BY_IDX(node_id, pinmux, 0),	\
		.iofunc = DT_PROP_BY_IDX(node_id, pinmux, 1),	\
		.iomode = CC13XX_CC26XX_PIN_FLAGS(node_id)	\
	},

#define Z_PINCTRL_STATE_PIN_INIT(node_id, prop, idx)		\
	CC13XX_CC26XX_DT_PIN(DT_PROP_BY_IDX(node_id, prop, idx))

#define Z_PINCTRL_STATE_PINS_INIT(node_id, prop)		\
	{ DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT) }

#endif /* TI_SIMPLELINK_CC13XX_CC26XX_SOC_PINCTRL_H_ */