4  * SPDX-License-Identifier: Apache-2.0
25  * -> high/1 means white, low/0 means black
26  * -> Display expects LSB first
29 #define LS0XX_PANEL_WIDTH   DT_INST_PROP(0, width)
35  * +-------------------+-------------------+----------------+
36  * | line num (8 bits) | data (WIDTH bits) | dummy (8 bits) |
37  * +-------------------+-------------------+----------------+
46 	struct spi_dt_spec bus;  member
62 		gpio_pin_toggle_dt(&config->extcomin_gpio);  in ls0xx_vcom_toggle()
64 		gpio_pin_toggle_dt(&config->extcomin_gpio);  in ls0xx_vcom_toggle()
76 	const struct ls0xx_config *config = dev->config;  in ls0xx_blanking_off()
78 	return gpio_pin_set_dt(&config->disp_en_gpio, 1);  in ls0xx_blanking_off()
81 	return -ENOTSUP;  in ls0xx_blanking_off()
88 	const struct ls0xx_config *config = dev->config;  in ls0xx_blanking_on()
90 	return gpio_pin_set_dt(&config->disp_en_gpio, 0);  in ls0xx_blanking_on()
93 	return -ENOTSUP;  in ls0xx_blanking_on()
99 	const struct ls0xx_config *config = dev->config;  in ls0xx_cmd()
103 	return spi_write_dt(&config->bus, &buf_set);  in ls0xx_cmd()
108 	const struct ls0xx_config *config = dev->config;  in ls0xx_clear()
113 	spi_release_dt(&config->bus);  in ls0xx_clear()
121 				const uint8_t *data)  in ls0xx_update_display()  argument
123 	const struct ls0xx_config *config = dev->config;  in ls0xx_update_display()
133 			.len = LS0XX_BYTES_PER_LINE - 2,  in ls0xx_update_display()
146 	LOG_DBG("Lines %d to %d", start_line, start_line + num_lines - 1);  in ls0xx_update_display()
152 	for (; ln <= start_line + num_lines - 1; ln++) {  in ls0xx_update_display()
153 		line_buf[1].buf = (uint8_t *)data;  in ls0xx_update_display()
154 		err |= spi_write_dt(&config->bus, &line_set);  in ls0xx_update_display()
155 		data += LS0XX_PANEL_WIDTH / LS0XX_PIXELS_PER_BYTE;  in ls0xx_update_display()
164 	spi_release_dt(&config->bus);  in ls0xx_update_display()
169 /* Buffer width should be equal to display width */
175 	LOG_DBG("X: %d, Y: %d, W: %d, H: %d", x, y, desc->width, desc->height);  in ls0xx_write()
179 		return -EINVAL;  in ls0xx_write()
182 	if (desc->width != LS0XX_PANEL_WIDTH) {  in ls0xx_write()
183 		LOG_ERR("Width not a multiple of %d", LS0XX_PANEL_WIDTH);  in ls0xx_write()
184 		return -EINVAL;  in ls0xx_write()
187 	if (desc->pitch != desc->width) {  in ls0xx_write()
189 		return -ENOTSUP;  in ls0xx_write()
192 	if ((y + desc->height) > LS0XX_PANEL_HEIGHT) {  in ls0xx_write()
194 		return -EINVAL;  in ls0xx_write()
198 		LOG_ERR("X-coordinate has to be 0");  in ls0xx_write()
199 		return -EINVAL;  in ls0xx_write()
203 	return ls0xx_update_display(dev, y + 1, desc->height, buf);  in ls0xx_write()
210 	caps->x_resolution = LS0XX_PANEL_WIDTH;  in ls0xx_get_capabilities()
211 	caps->y_resolution = LS0XX_PANEL_HEIGHT;  in ls0xx_get_capabilities()
212 	caps->supported_pixel_formats = PIXEL_FORMAT_MONO01;  in ls0xx_get_capabilities()
213 	caps->current_pixel_format = PIXEL_FORMAT_MONO01;  in ls0xx_get_capabilities()
214 	caps->screen_info = SCREEN_INFO_X_ALIGNMENT_WIDTH;  in ls0xx_get_capabilities()
225 	return -ENOTSUP;  in ls0xx_set_pixel_format()
230 	const struct ls0xx_config *config = dev->config;  in ls0xx_init()
232 	if (!spi_is_ready_dt(&config->bus)) {  in ls0xx_init()
233 		LOG_ERR("SPI bus %s not ready", config->bus.bus->name);  in ls0xx_init()
234 		return -ENODEV;  in ls0xx_init()
238 	if (!gpio_is_ready_dt(&config->disp_en_gpio)) {  in ls0xx_init()
240 		return -ENODEV;  in ls0xx_init()
243 	gpio_pin_configure_dt(&config->disp_en_gpio, GPIO_OUTPUT_HIGH);  in ls0xx_init()
247 	if (!gpio_is_ready_dt(&config->extcomin_gpio)) {  in ls0xx_init()
249 		return -ENODEV;  in ls0xx_init()
252 	gpio_pin_configure_dt(&config->extcomin_gpio, GPIO_OUTPUT_LOW);  in ls0xx_init()
264 	/* Clear display else it shows random data */  in ls0xx_init()
269 	.bus = SPI_DT_SPEC_INST_GET(