85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
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* Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
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* Copyright (c) 2019 Nordic Semiconductor ASA
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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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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_
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#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/spi.h>
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#include <zephyr/sys/util.h>
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/* Commands/registers. */
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#define ILI9XXX_SWRESET 0x01
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#define ILI9XXX_SLPOUT 0x11
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#define ILI9XXX_DINVON 0x21
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#define ILI9XXX_GAMSET 0x26
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#define ILI9XXX_DISPOFF 0x28
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#define ILI9XXX_DISPON 0x29
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#define ILI9XXX_CASET 0x2a
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#define ILI9XXX_PASET 0x2b
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#define ILI9XXX_RAMWR 0x2c
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#define ILI9XXX_MADCTL 0x36
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#define ILI9XXX_PIXSET 0x3A
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/* MADCTL register fields. */
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#define ILI9XXX_MADCTL_MY BIT(7U)
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#define ILI9XXX_MADCTL_MX BIT(6U)
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#define ILI9XXX_MADCTL_MV BIT(5U)
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#define ILI9XXX_MADCTL_ML BIT(4U)
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#define ILI9XXX_MADCTL_BGR BIT(3U)
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#define ILI9XXX_MADCTL_MH BIT(2U)
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/* PIXSET register fields. */
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#define ILI9XXX_PIXSET_RGB_18_BIT 0x60
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#define ILI9XXX_PIXSET_RGB_16_BIT 0x50
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#define ILI9XXX_PIXSET_MCU_18_BIT 0x06
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#define ILI9XXX_PIXSET_MCU_16_BIT 0x05
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/** Command/data GPIO level for commands. */
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#define ILI9XXX_CMD 1U
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/** Command/data GPIO level for data. */
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#define ILI9XXX_DATA 0U
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/** Sleep out time (ms), ref. 8.2.12 of ILI9XXX manual. */
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#define ILI9XXX_SLEEP_OUT_TIME 120
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/** Reset pulse time (ms), ref 15.4 of ILI9XXX manual. */
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#define ILI9XXX_RESET_PULSE_TIME 1
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/** Reset wait time (ms), ref 15.4 of ILI9XXX manual. */
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#define ILI9XXX_RESET_WAIT_TIME 5
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enum madctl_cmd_set {
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CMD_SET_1, /* Default for most of ILI9xxx display controllers */
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CMD_SET_2, /* Used by ILI9342c */
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};
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struct ili9xxx_quirks {
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enum madctl_cmd_set cmd_set;
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};
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struct ili9xxx_config {
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const struct ili9xxx_quirks *quirks;
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struct spi_dt_spec spi;
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struct gpio_dt_spec cmd_data;
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struct gpio_dt_spec reset;
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uint8_t pixel_format;
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uint16_t rotation;
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uint16_t x_resolution;
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uint16_t y_resolution;
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bool inversion;
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const void *regs;
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int (*regs_init_fn)(const struct device *dev);
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};
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int ili9xxx_transmit(const struct device *dev, uint8_t cmd,
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const void *tx_data, size_t tx_len);
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#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9XXX_H_ */
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