3  * Copyright (c) 2023 Amrith Venkat Kesavamoorthi <amrith@mr-beam.org>
5  * SPDX-License-Identifier: Apache-2.0
11 #include <zephyr/dt-bindings/display/panel.h>
231 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_transmit()
234 	struct spi_buf_set tx_bufs = {.buffers = &tx_buf, .count = 1U};  in gc9x01x_transmit()
236 	ret = gpio_pin_set_dt(&config->cmd_data, GC9X01X_GPIO_LEVEL_CMD);  in gc9x01x_transmit()
240 	ret = spi_write_dt(&config->spi, &tx_bufs);  in gc9x01x_transmit()
250 		ret = gpio_pin_set_dt(&config->cmd_data, GC9X01X_GPIO_LEVEL_DATA);  in gc9x01x_transmit()
254 		ret = spi_write_dt(&config->spi, &tx_bufs);  in gc9x01x_transmit()
265 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_regs_init()
266 	const struct gc9x01x_regs *regs = config->regs;  in gc9x01x_regs_init()
269 	/* Enable inter-command mode */  in gc9x01x_regs_init()
289 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL2, regs->pwrctrl2, sizeof(regs->pwrctrl2));  in gc9x01x_regs_init()
293 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL3, regs->pwrctrl3, sizeof(regs->pwrctrl3));  in gc9x01x_regs_init()
297 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_PWRCTRL4, regs->pwrctrl4, sizeof(regs->pwrctrl4));  in gc9x01x_regs_init()
301 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA1, regs->gamma1, sizeof(regs->gamma1));  in gc9x01x_regs_init()
305 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA2, regs->gamma2, sizeof(regs->gamma2));  in gc9x01x_regs_init()
309 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA3, regs->gamma3, sizeof(regs->gamma3));  in gc9x01x_regs_init()
313 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_GAMMA4, regs->gamma4, sizeof(regs->gamma4));  in gc9x01x_regs_init()
317 	ret = gc9x01x_transmit(dev, GC9X01X_CMD_FRAMERATE, regs->framerate,  in gc9x01x_regs_init()
318 			       sizeof(regs->framerate));  in gc9x01x_regs_init()
373 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_hw_reset()
375 	if (config->reset.port == NULL) {  in gc9x01x_hw_reset()
376 		return -ENODEV;  in gc9x01x_hw_reset()
379 	gpio_pin_set_dt(&config->reset, 1U);  in gc9x01x_hw_reset()
381 	gpio_pin_set_dt(&config->reset, 0U);  in gc9x01x_hw_reset()
402 	struct gc9x01x_data *data = dev->data;  in gc9x01x_set_pixel_format()
415 		return -ENOTSUP;  in gc9x01x_set_pixel_format()
423 	data->pixel_format = pixel_format;  in gc9x01x_set_pixel_format()
424 	data->bytes_per_pixel = bytes_per_pixel;  in gc9x01x_set_pixel_format()
432 	struct gc9x01x_data *data = dev->data;  in gc9x01x_set_orientation()
437 		/* works 0° - default */  in gc9x01x_set_orientation()
454 	data->orientation = orientation;  in gc9x01x_set_orientation()
461 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_configure()
471 	ret = gc9x01x_set_pixel_format(dev, config->pixel_format);  in gc9x01x_configure()
477 	ret = gc9x01x_set_orientation(dev, config->orientation);  in gc9x01x_configure()
483 	if (config->inversion) {  in gc9x01x_configure()
495 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_init()
498 	if (!spi_is_ready_dt(&config->spi)) {  in gc9x01x_init()
500 		return -ENODEV;  in gc9x01x_init()
503 	if (!gpio_is_ready_dt(&config->cmd_data)) {  in gc9x01x_init()
505 		return -ENODEV;  in gc9x01x_init()
508 	ret = gpio_pin_configure_dt(&config->cmd_data, GPIO_OUTPUT);  in gc9x01x_init()
514 	if (config->reset.port != NULL) {  in gc9x01x_init()
515 		if (!device_is_ready(config->reset.port)) {  in gc9x01x_init()
517 			return -ENODEV;  in gc9x01x_init()
520 		ret = gpio_pin_configure_dt(&config->reset, GPIO_OUTPUT_INACTIVE);  in gc9x01x_init()
553 	spi_data[1] = sys_cpu_to_be16(x + w - 1U);  in gc9x01x_set_mem_area()
560 	spi_data[1] = sys_cpu_to_be16(y + h - 1U);  in gc9x01x_set_mem_area()
572 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_write()
573 	struct gc9x01x_data *data = dev->data;  in gc9x01x_write()
582 	__ASSERT(desc->width <= desc->pitch, "Pitch is smaller than width");  in gc9x01x_write()
583 	__ASSERT((desc->pitch * data->bytes_per_pixel * desc->height) <= desc->buf_size,  in gc9x01x_write()
586 	LOG_DBG("Writing %dx%d (w,h) @ %dx%d (x,y)", desc->width, desc->height, x, y);  in gc9x01x_write()
587 	ret = gc9x01x_set_mem_area(dev, x, y, desc->width, desc->height);  in gc9x01x_write()
592 	if (desc->pitch > desc->width) {  in gc9x01x_write()
594 		nbr_of_writes = desc->height;  in gc9x01x_write()
596 		write_h = desc->height;  in gc9x01x_write()
601 				  desc->width * data->bytes_per_pixel * write_h);  in gc9x01x_write()
607 	tx_bufs.count = 1U;  in gc9x01x_write()
609 	write_data_start += desc->pitch * data->bytes_per_pixel;  in gc9x01x_write()
612 		tx_buf.len = desc->width * data->bytes_per_pixel * write_h;  in gc9x01x_write()
614 		ret = spi_write_dt(&config->spi, &tx_bufs);  in gc9x01x_write()
619 		write_data_start += desc->pitch * data->bytes_per_pixel;  in gc9x01x_write()
628 	struct gc9x01x_data *data = dev->data;  in gc9x01x_get_capabilities()
629 	const struct gc9x01x_config *config = dev->config;  in gc9x01x_get_capabilities()
633 	capabilities->supported_pixel_formats = PIXEL_FORMAT_RGB_565 | PIXEL_FORMAT_RGB_888;  in gc9x01x_get_capabilities()
634 	capabilities->current_pixel_format = data->pixel_format;  in gc9x01x_get_capabilities()
636 	if (data->orientation == DISPLAY_ORIENTATION_NORMAL ||  in gc9x01x_get_capabilities()
637 	    data->orientation == DISPLAY_ORIENTATION_ROTATED_180) {  in gc9x01x_get_capabilities()
638 		capabilities->x_resolution = config->x_resolution;  in gc9x01x_get_capabilities()
639 		capabilities->y_resolution = config->y_resolution;  in gc9x01x_get_capabilities()
641 		capabilities->x_resolution = config->y_resolution;  in gc9x01x_get_capabilities()
642 		capabilities->y_resolution = config->x_resolution;  in gc9x01x_get_capabilities()
645 	capabilities->current_orientation = data->orientation;  in gc9x01x_get_capabilities()
661 		ret = -ENOTSUP;  in gc9x01x_pm_action()
687 		.x_resolution = DT_INST_PROP(inst, width),                                         \