4  * SPDX-License-Identifier: Apache-2.0
24 	const struct led_strip_buffer *strips;  member
40 	const size_t mods_per_row = config->width / config->module_width;  in pixel_index()
41 	const size_t mod_w = config->module_width;  in pixel_index()
42 	const size_t mod_h = config->module_height;  in pixel_index()
45 		config->modules_start_from_bottom ? (mod_h - 1) - (y / mod_h) : y / mod_h;  in pixel_index()
46 	const size_t y_in_mod = config->start_from_bottom ? (mod_h - 1) - (y % mod_h) : y % mod_h;  in pixel_index()
50 	if (config->modules_circulative) {  in pixel_index()
51 		if (config->modules_start_from_right) {  in pixel_index()
52 			mod_col = mods_per_row - 1 - mod_col;  in pixel_index()
55 		if ((mod_row % 2) == !config->modules_start_from_right) {  in pixel_index()
56 			mod_col = mods_per_row - 1 - mod_col;  in pixel_index()
60 	if (config->circulative) {  in pixel_index()
61 		if (config->start_from_right) {  in pixel_index()
62 			x_in_mod = (mod_w - 1) - (x % mod_w);  in pixel_index()
65 		if ((y_in_mod % 2) == !config->start_from_right) {  in pixel_index()
66 			x_in_mod = (mod_w - 1) - (x % mod_w);  in pixel_index()
78 	for (size_t i = 0; i < config->num_of_strips; i++) {  in pixel_address()
79 		if (idx < config->strips[i].chain_length) {  in pixel_address()
80 			return &config->strips[i].pixels[idx];  in pixel_address()
82 		idx -= config->strips[i].chain_length;  in pixel_address()
91 	__ASSERT(desc->width <= desc->pitch, "Pitch is smaller than width");  in check_descriptor()
92 	__ASSERT(desc->pitch <= config->width, "Pitch in descriptor is larger than screen size");  in check_descriptor()
93 	__ASSERT(desc->height <= config->height, "Height in descriptor is larger than screen size");  in check_descriptor()
94 	__ASSERT(x + desc->pitch <= config->width,  in check_descriptor()
96 	__ASSERT(y + desc->height <= config->height,  in check_descriptor()
99 	if (desc->width > desc->pitch || x + desc->pitch > config->width ||  in check_descriptor()
100 	    y + desc->height > config->height) {  in check_descriptor()
101 		return -EINVAL;  in check_descriptor()
110 	const struct led_strip_matrix_config *config = dev->config;  in led_strip_matrix_write()
120 	for (size_t ypos = y; ypos < (y + desc->height); ypos++) {  in led_strip_matrix_write()
121 		for (size_t xpos = x; xpos < (x + desc->width); xpos++) {  in led_strip_matrix_write()
124 			if (config->pixel_format == PIXEL_FORMAT_ARGB_8888) {  in led_strip_matrix_write()
127 				pix->r = (color >> 16) & 0xFF;  in led_strip_matrix_write()
128 				pix->g = (color >> 8) & 0xFF;  in led_strip_matrix_write()
129 				pix->b = (color) & 0xFF;  in led_strip_matrix_write()
133 				pix->r = *buf_ptr;  in led_strip_matrix_write()
135 				pix->g = *buf_ptr;  in led_strip_matrix_write()
137 				pix->b = *buf_ptr;  in led_strip_matrix_write()
141 		buf_ptr += (desc->pitch - desc->width) *  in led_strip_matrix_write()
142 			   (config->pixel_format == PIXEL_FORMAT_ARGB_8888 ? 4 : 3);  in led_strip_matrix_write()
145 	for (size_t i = 0; i < config->num_of_strips; i++) {  in led_strip_matrix_write()
146 		rc = led_strip_update_rgb(config->strips[i].dev, config->strips[i].pixels,  in led_strip_matrix_write()
147 					  config->width * config->height);  in led_strip_matrix_write()
159 	const struct led_strip_matrix_config *config = dev->config;  in led_strip_matrix_read()
169 	for (size_t ypos = y; ypos < (y + desc->height); ypos++) {  in led_strip_matrix_read()
170 		for (size_t xpos = x; xpos < (x + desc->width); xpos++) {  in led_strip_matrix_read()
173 			if (config->pixel_format == PIXEL_FORMAT_ARGB_8888) {  in led_strip_matrix_read()
176 				*pix_ptr = 0xFF000000 | pix->r << 16 | pix->g << 8 | pix->b;  in led_strip_matrix_read()
178 				*buf_ptr = pix->r;  in led_strip_matrix_read()
180 				*buf_ptr = pix->g;  in led_strip_matrix_read()
182 				*buf_ptr = pix->b;  in led_strip_matrix_read()
186 		buf_ptr += (desc->pitch - desc->width) *  in led_strip_matrix_read()
187 			   (config->pixel_format == PIXEL_FORMAT_ARGB_8888 ? 4 : 3);  in led_strip_matrix_read()
196 	const struct led_strip_matrix_config *config = dev->config;  in led_strip_matrix_get_capabilities()
199 	caps->x_resolution = config->width;  in led_strip_matrix_get_capabilities()
200 	caps->y_resolution = config->height;  in led_strip_matrix_get_capabilities()
201 	caps->supported_pixel_formats = PIXEL_FORMAT_ARGB_8888 | PIXEL_FORMAT_RGB_888;  in led_strip_matrix_get_capabilities()
202 	caps->current_pixel_format = config->pixel_format;  in led_strip_matrix_get_capabilities()
203 	caps->screen_info = 0;  in led_strip_matrix_get_capabilities()
214 	const struct led_strip_matrix_config *config = dev->config;  in led_strip_matrix_init()
216 	for (size_t i = 0; i < config->num_of_strips; i++) {  in led_strip_matrix_init()
217 		if (!device_is_ready(config->strips[i].dev)) {  in led_strip_matrix_init()
218 			LOG_ERR("LED strip device %s is not ready", config->strips[i].dev->name);  in led_strip_matrix_init()
219 			return -EINVAL;  in led_strip_matrix_init()
257 		.strips = strip_buffer##inst,                                                      \