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/*
* Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
* Copyright (c) 2019 Nordic Semiconductor ASA
* Copyright (c) 2020 Teslabs Engineering S.L.
* Copyright (c) 2021 Krivorot Oleg <krivorot.oleg@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_
#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_
#include <drivers/gpio.h>
#include <drivers/spi.h>
#include <sys/util.h>
/* Commands/registers. */
#define ILI9XXX_SWRESET 0x01
#define ILI9XXX_SLPOUT 0x11
#define ILI9XXX_DINVON 0x21
#define ILI9XXX_GAMSET 0x26
#define ILI9XXX_DISPOFF 0x28
#define ILI9XXX_DISPON 0x29
#define ILI9XXX_CASET 0x2a
#define ILI9XXX_PASET 0x2b
#define ILI9XXX_RAMWR 0x2c
#define ILI9XXX_MADCTL 0x36
#define ILI9XXX_PIXSET 0x3A
/* MADCTL register fields. */
#define ILI9XXX_MADCTL_MY BIT(7U)
#define ILI9XXX_MADCTL_MX BIT(6U)
#define ILI9XXX_MADCTL_MV BIT(5U)
#define ILI9XXX_MADCTL_ML BIT(4U)
#define ILI9XXX_MADCTL_BGR BIT(3U)
#define ILI9XXX_MADCTL_MH BIT(2U)
/* PIXSET register fields. */
#define ILI9XXX_PIXSET_RGB_18_BIT 0x60
#define ILI9XXX_PIXSET_RGB_16_BIT 0x50
#define ILI9XXX_PIXSET_MCU_18_BIT 0x06
#define ILI9XXX_PIXSET_MCU_16_BIT 0x05
/** Command/data GPIO level for commands. */
#define ILI9XXX_CMD 1U
/** Command/data GPIO level for data. */
#define ILI9XXX_DATA 0U
/** Sleep out time (ms), ref. 8.2.12 of ILI9XXX manual. */
#define ILI9XXX_SLEEP_OUT_TIME 120
/** Reset pulse time (ms), ref 15.4 of ILI9XXX manual. */
#define ILI9XXX_RESET_PULSE_TIME 1
/** Reset wait time (ms), ref 15.4 of ILI9XXX manual. */
#define ILI9XXX_RESET_WAIT_TIME 5
struct ili9xxx_config {
struct spi_dt_spec spi;
struct gpio_dt_spec cmd_data;
struct gpio_dt_spec reset;
uint8_t pixel_format;
uint16_t rotation;
uint16_t x_resolution;
uint16_t y_resolution;
bool inversion;
const void *regs;
int (*regs_init_fn)(const struct device *dev);
};
int ili9xxx_transmit(const struct device *dev, uint8_t cmd,
const void *tx_data, size_t tx_len);
#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_ */