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