80 static int update_content(struct mb_display *disp, const struct mb_image *img)  in update_content()  argument
91 	if (disp->msb) {  in update_content()
96 		ret = display_write(disp->lm_dev, 0, 0, &buf_desc, &tmp_img);  in update_content()
98 		ret = display_write(disp->lm_dev, 0, 0, &buf_desc, img);  in update_content()
106 	LOG_DBG("Image duration %d", disp->duration);  in update_content()
107 	if (disp->duration != SYS_FOREVER_MS) {  in update_content()
108 		k_work_reschedule(&disp->dwork, K_MSEC(disp->duration));  in update_content()
114 static int start_image(struct mb_display *disp, const struct mb_image *img)  in start_image()  argument
118 	ret = display_blanking_off(disp->lm_dev);  in start_image()
124 	return update_content(disp, img);  in start_image()
127 static int reset_display(struct mb_display *disp)  in reset_display()  argument
131 	disp->str = NULL;  in reset_display()
132 	disp->cur_img = 0U;  in reset_display()
133 	disp->img = NULL;  in reset_display()
134 	disp->img_count = 0U;  in reset_display()
135 	disp->scroll = SCROLL_OFF;  in reset_display()
137 	ret = display_blanking_on(disp->lm_dev);  in reset_display()
145 static const struct mb_image *current_img(struct mb_display *disp)  in current_img()  argument
147 	if (disp->scroll && disp->first) {  in current_img()
151 	if (disp->text) {  in current_img()
152 		return get_font(disp->str[disp->cur_img]);  in current_img()
154 		return &disp->img[disp->cur_img];  in current_img()
158 static const struct mb_image *next_img(struct mb_display *disp)  in next_img()  argument
160 	if (disp->text) {  in next_img()
161 		if (disp->first) {  in next_img()
162 			return get_font(disp->str[0]);  in next_img()
163 		} else if (disp->str[disp->cur_img]) {  in next_img()
164 			return get_font(disp->str[disp->cur_img + 1]);  in next_img()
169 		if (disp->first) {  in next_img()
170 			return &disp->img[0];  in next_img()
171 		} else if (disp->cur_img < (disp->img_count - 1)) {  in next_img()
172 			return &disp->img[disp->cur_img + 1];  in next_img()
179 static inline bool last_frame(struct mb_display *disp)  in last_frame()  argument
181 	if (disp->text) {  in last_frame()
182 		return (disp->str[disp->cur_img] == '\0');  in last_frame()
184 		return (disp->cur_img >= disp->img_count);  in last_frame()
188 static inline uint8_t scroll_steps(struct mb_display *disp)  in scroll_steps()  argument
190 	return MB_DISP_XRES + disp->img_sep;  in scroll_steps()
193 static int update_scroll(struct mb_display *disp)  in update_scroll()  argument
195 	if (disp->scroll < scroll_steps(disp)) {  in update_scroll()
199 			const struct mb_image *i1 = current_img(disp);  in update_scroll()
200 			const struct mb_image *i2 = next_img(disp);  in update_scroll()
202 			img.row[i] = ((i1->row[i] >> disp->scroll) |  in update_scroll()
203 				      (i2->row[i] << (scroll_steps(disp) -  in update_scroll()
204 						      disp->scroll)));  in update_scroll()
207 		disp->scroll++;  in update_scroll()
208 		return update_content(disp, &img);  in update_scroll()
210 		if (disp->first) {  in update_scroll()
211 			disp->first = 0U;  in update_scroll()
213 			disp->cur_img++;  in update_scroll()
216 		if (last_frame(disp)) {  in update_scroll()
217 			if (!disp->loop) {  in update_scroll()
218 				return reset_display(disp);  in update_scroll()
221 			disp->cur_img = 0U;  in update_scroll()
222 			disp->first = 1U;  in update_scroll()
225 		disp->scroll = SCROLL_START;  in update_scroll()
226 		return update_content(disp, current_img(disp));  in update_scroll()
230 static int update_image(struct mb_display *disp)  in update_image()  argument
232 	disp->cur_img++;  in update_image()
234 	if (last_frame(disp)) {  in update_image()
235 		if (!disp->loop) {  in update_image()
236 			return reset_display(disp);  in update_image()
239 		disp->cur_img = 0U;  in update_image()
242 	return update_content(disp, current_img(disp));  in update_image()
248 	struct mb_display *disp = CONTAINER_OF(dwork, struct mb_display, dwork);  in update_display_work()  local
251 	if (disp->scroll) {  in update_display_work()
252 		ret = update_scroll(disp);  in update_display_work()
254 		ret = update_image(disp);  in update_display_work()
260 static int start_scroll(struct mb_display *disp, int32_t duration)  in start_scroll()  argument
264 		disp->duration = duration / scroll_steps(disp);  in start_scroll()
266 		disp->duration = SCROLL_DEFAULT_DURATION_MS;  in start_scroll()
269 	disp->scroll = SCROLL_START;  in start_scroll()
270 	disp->first = 1U;  in start_scroll()
271 	disp->cur_img = 0U;  in start_scroll()
272 	return start_image(disp, get_font(' '));  in start_scroll()
275 static int start_single(struct mb_display *disp, int32_t duration)  in start_single()  argument
277 	disp->duration = duration;  in start_single()
279 	if (disp->text) {  in start_single()
280 		return start_image(disp, get_font(disp->str[0]));  in start_single()
282 		return start_image(disp, disp->img);  in start_single()
286 void mb_display_stop(struct mb_display *disp)  in mb_display_stop()  argument
291 	k_work_cancel_delayable_sync(&disp->dwork, &sync);  in mb_display_stop()
292 	LOG_DBG("delayable work stopped %p", disp);  in mb_display_stop()
293 	ret = reset_display(disp);  in mb_display_stop()
297 void mb_display_image(struct mb_display *disp, uint32_t mode, int32_t duration,  in mb_display_image()  argument
302 	mb_display_stop(disp);  in mb_display_image()
306 	disp->text = 0U;  in mb_display_image()
307 	disp->img_count = img_count;  in mb_display_image()
308 	disp->img = img;  in mb_display_image()
309 	disp->img_sep = 0U;  in mb_display_image()
310 	disp->cur_img = 0U;  in mb_display_image()
311 	disp->loop = !!(mode & MB_DISPLAY_FLAG_LOOP);  in mb_display_image()
316 		ret = start_single(disp, duration);  in mb_display_image()
320 		ret = start_scroll(disp, duration);  in mb_display_image()
328 void mb_display_print(struct mb_display *disp, uint32_t mode,  in mb_display_print()  argument
334 	mb_display_stop(disp);  in mb_display_print()
337 	vsnprintk(disp->str_buf, sizeof(disp->str_buf), fmt, ap);  in mb_display_print()
340 	if (disp->str_buf[0] == '\0') {  in mb_display_print()
344 	disp->str = disp->str_buf;  in mb_display_print()
345 	disp->text = 1U;  in mb_display_print()
346 	disp->img_sep = 1U;  in mb_display_print()
347 	disp->cur_img = 0U;  in mb_display_print()
348 	disp->loop = !!(mode & MB_DISPLAY_FLAG_LOOP);  in mb_display_print()
353 		ret = start_scroll(disp, duration);  in mb_display_print()
357 		ret = start_single(disp, duration);  in mb_display_print()
365 static int mb_display_init(struct mb_display *disp)  in mb_display_init()  argument
370 	display_get_capabilities(disp->lm_dev, &caps);  in mb_display_init()
378 		disp->msb = 1U;  in mb_display_init()
381 	ret = display_set_brightness(disp->lm_dev, 0xFF);  in mb_display_init()
387 	k_work_init_delayable(&disp->dwork, update_display_work);  in mb_display_init()