zephyr/drivers/display/display_ili9342c.h

96 lines
3.3 KiB
C

/*
* Copyright (c) 2020 Teslabs Engineering S.L.
* Copyright (c) 2021 Krivorot Oleg <krivorot.oleg@gmail.com>
* Copyright (c) 2022 Konstantinos Papadopoulos <kostas.papadopulos@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9342C_H_
#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9342C_H_
#include <zephyr/device.h>
/* Commands/registers. */
#define ILI9342C_GAMSET 0x26
#define ILI9342C_IFMODE 0xB0
#define ILI9342C_FRMCTR1 0xB1
#define ILI9342C_INVTR 0xB4
#define ILI9342C_DISCTRL 0xB6
#define ILI9342C_ETMOD 0xB7
#define ILI9342C_PWCTRL1 0xC0
#define ILI9342C_PWCTRL2 0xC1
#define ILI9342C_PWCTRL3 0xC2
#define ILI9342C_VMCTRL1 0xC5
#define ILI9342C_SETEXTC 0xC8
#define ILI9342C_PGAMCTRL 0xE0
#define ILI9342C_NGAMCTRL 0xE1
#define ILI9342C_IFCTL 0xF6
/* Commands/registers length. */
#define ILI9342C_GAMSET_LEN 1U
#define ILI9342C_IFMODE_LEN 1U
#define ILI9342C_FRMCTR1_LEN 2U
#define ILI9342C_INVTR_LEN 1U
#define ILI9342C_DISCTRL_LEN 4U
#define ILI9342C_ETMOD_LEN 1U
#define ILI9342C_PWCTRL1_LEN 2U
#define ILI9342C_PWCTRL2_LEN 1U
#define ILI9342C_PWCTRL3_LEN 1U
#define ILI9342C_VMCTRL1_LEN 1U
#define ILI9342C_SETEXTC_LEN 3U
#define ILI9342C_PGAMCTRL_LEN 15U
#define ILI9342C_NGAMCTRL_LEN 15U
#define ILI9342C_IFCTL_LEN 3U
/** X resolution (pixels). */
#define ILI9342c_X_RES 320U
/** Y resolution (pixels). */
#define ILI9342c_Y_RES 240U
/** ILI9342C registers to be initialized. */
struct ili9342c_regs {
uint8_t gamset[ILI9342C_GAMSET_LEN];
uint8_t ifmode[ILI9342C_IFMODE_LEN];
uint8_t frmctr1[ILI9342C_FRMCTR1_LEN];
uint8_t invtr[ILI9342C_INVTR_LEN];
uint8_t disctrl[ILI9342C_DISCTRL_LEN];
uint8_t etmod[ILI9342C_ETMOD_LEN];
uint8_t pwctrl1[ILI9342C_PWCTRL1_LEN];
uint8_t pwctrl2[ILI9342C_PWCTRL2_LEN];
uint8_t pwctrl3[ILI9342C_PWCTRL3_LEN];
uint8_t vmctrl1[ILI9342C_VMCTRL1_LEN];
uint8_t setextc[ILI9342C_SETEXTC_LEN];
uint8_t pgamctrl[ILI9342C_PGAMCTRL_LEN];
uint8_t ngamctrl[ILI9342C_NGAMCTRL_LEN];
uint8_t ifctl[ILI9342C_IFCTL_LEN];
};
/* Initializer macro for ILI9342C registers. */
#define ILI9342c_REGS_INIT(n) \
static const struct ili9342c_regs ili9xxx_regs_##n = { \
.gamset = DT_PROP(DT_INST(n, ilitek_ili9342c), gamset), \
.ifmode = DT_PROP(DT_INST(n, ilitek_ili9342c), ifmode), \
.frmctr1 = DT_PROP(DT_INST(n, ilitek_ili9342c), frmctr1), \
.invtr = DT_PROP(DT_INST(n, ilitek_ili9342c), invtr), \
.disctrl = DT_PROP(DT_INST(n, ilitek_ili9342c), disctrl), \
.etmod = DT_PROP(DT_INST(n, ilitek_ili9342c), etmod), \
.pwctrl1 = DT_PROP(DT_INST(n, ilitek_ili9342c), pwctrl1), \
.pwctrl2 = DT_PROP(DT_INST(n, ilitek_ili9342c), pwctrl2), \
.pwctrl3 = DT_PROP(DT_INST(n, ilitek_ili9342c), pwctrl3), \
.vmctrl1 = DT_PROP(DT_INST(n, ilitek_ili9342c), vmctrl1), \
.setextc = {0xFF, 0x93, 0x42}, \
.pgamctrl = DT_PROP(DT_INST(n, ilitek_ili9342c), pgamctrl), \
.ngamctrl = DT_PROP(DT_INST(n, ilitek_ili9342c), ngamctrl), \
.ifctl = DT_PROP(DT_INST(n, ilitek_ili9342c), ifctl), \
};
/**
* @brief Initialize ILI9342C registers with DT values.
*
* @param dev ILI9342C device instance
* @return 0 on success, errno otherwise.
*/
int ili9342c_regs_init(const struct device *dev);
#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9342C_H_ */