4  * SPDX-License-Identifier: Apache-2.0
69 	const struct ssd1322_config *config = dev->config;  in ssd1322_write_command()
71 	return mipi_dbi_command_write(config->mipi_dev, &config->dbi_config, cmd, buf, len);  in ssd1322_write_command()
85  * The controller uses 4-bit grayscale format, so one pixel is represented by 4 bits.
86  * Zephyr's display API does not support this format, so this uses mono01, and converts each 1-bit
87  * pixel to 1111 or 0000.
89  * buf_in: pointer to input buffer in mono01 format. This value will bel updated to point to
90  * the first byte after the last converted pixel.
99 	/* Output buffer size gets rounded down to avoid splitting chunks in the middle of input  in ssd1322_conv_mono01_grayscale()
122 	*pixel_count -= pixels_in_chunk;  in ssd1322_conv_mono01_grayscale()
128 	const struct ssd1322_config *config = dev->config;  in ssd1322_write_pixels()
136 		len = ssd1322_conv_mono01_grayscale(&buf, &pixel_count, config->conversion_buf,  in ssd1322_write_pixels()
137 						    config->conversion_buf_size,  in ssd1322_write_pixels()
138 						    config->segments_per_pixel);  in ssd1322_write_pixels()
142 		 * with some mipi-dbi implementations, the SPI-based driver ignores this metadata,  in ssd1322_write_pixels()
149 		ret = mipi_dbi_write_display(config->mipi_dev, &config->dbi_config,  in ssd1322_write_pixels()
150 					     config->conversion_buf, &mipi_desc,  in ssd1322_write_pixels()
162 	const struct ssd1322_config *config = dev->config;  in ssd1322_write()
166 	int32_t pixel_count = desc->width * desc->height;  in ssd1322_write()
168 	if (desc->pitch < desc->width) {  in ssd1322_write()
170 		return -EINVAL;  in ssd1322_write()
173 	buf_len = MIN(desc->buf_size, desc->height * desc->width / 8);  in ssd1322_write()
176 		return -EINVAL;  in ssd1322_write()
179 	if (desc->pitch > desc->width) {  in ssd1322_write()
181 		return -EINVAL;  in ssd1322_write()
184 	LOG_DBG("x %u, y %u, pitch %u, width %u, height %u, buf_len %u", x, y, desc->pitch,  in ssd1322_write()
185 		desc->width, desc->height, buf_len);  in ssd1322_write()
187 	cmd_data[0] = config->column_offset + (x >> 2) * config->segments_per_pixel;  in ssd1322_write()
189 		config->column_offset + ((x + desc->width) >> 2) * config->segments_per_pixel - 1;  in ssd1322_write()
196 	cmd_data[1] = y + desc->height - 1;  in ssd1322_write()
217 	const struct ssd1322_config *config = dev->config;  in ssd1322_get_capabilities()
220 	caps->x_resolution = config->width;  in ssd1322_get_capabilities()
221 	caps->y_resolution = config->height;  in ssd1322_get_capabilities()
222 	caps->supported_pixel_formats = PIXEL_FORMAT_MONO01;  in ssd1322_get_capabilities()
223 	caps->current_pixel_format = PIXEL_FORMAT_MONO01;  in ssd1322_get_capabilities()
230 	const struct ssd1322_config *config = dev->config;  in ssd1322_init_device()
232 	ret = mipi_dbi_reset(config->mipi_dev, 1);  in ssd1322_init_device()
249 	data[0] = config->mux_ratio - 1;  in ssd1322_init_device()
255 	data[0] = config->start_line;  in ssd1322_init_device()
261 	data[0] = config->row_offset;  in ssd1322_init_device()
269 	WRITE_BIT(data[0], 0, config->remap_row_first);  in ssd1322_init_device()
270 	WRITE_BIT(data[0], 1, config->remap_columns);  in ssd1322_init_device()
271 	WRITE_BIT(data[0], 2, config->remap_nibble);  in ssd1322_init_device()
272 	WRITE_BIT(data[0], 4, config->remap_rows);  in ssd1322_init_device()
273 	WRITE_BIT(data[0], 5, config->remap_com_odd_even_split);  in ssd1322_init_device()
274 	WRITE_BIT(data[1], 4, config->remap_com_dual);  in ssd1322_init_device()
335 	const struct ssd1322_config *config = dev->config;  in ssd1322_init()
337 	if (!device_is_ready(config->mipi_dev)) {  in ssd1322_init()
339 		return -ENODEV;  in ssd1322_init()
346 		return -EIO;  in ssd1322_init()