1 // SPDX-License-Identifier: GPL-2.0+
13  * struct buf_info - a data buffer holding audio data
29 	int width;  member
54 			puts("LCD window closed - quitting\n");  in sandbox_sdl_poll_events()
67 			return -EIO;  in sandbox_sdl_ensure_init()
77 int sandbox_sdl_init_display(int width, int height, int log2_bpp)  in sandbox_sdl_init_display()  argument
82 	if (!width || !state->show_lcd)  in sandbox_sdl_init_display()
89 		return -EPERM;  in sandbox_sdl_init_display()
91 	SDL_WM_SetCaption("U-Boot", "U-Boot");  in sandbox_sdl_init_display()
93 	sdl.width = width;  in sandbox_sdl_init_display()
96 	sdl.pitch = sdl.width * sdl.depth / 8;  in sandbox_sdl_init_display()
97 	sdl.screen = SDL_SetVideoMode(width, height, 0, 0);  in sandbox_sdl_init_display()
107 	frame = SDL_CreateRGBSurfaceFrom(lcd_base, sdl.width, sdl.height,  in sandbox_sdl_sync()
118 #define NONE (-1)
226 	int i, count;  in sandbox_sdl_scan_keys()  local
230 	for (i = count = 0; i < NUM_SDL_CODES; i++) {  in sandbox_sdl_scan_keys()
231 		if (count >= max_keys)  in sandbox_sdl_scan_keys()
234 			key[count++] = sdl_to_keycode[i];  in sandbox_sdl_scan_keys()
237 	return count;  in sandbox_sdl_scan_keys()
243 	int count;  in sandbox_sdl_key_pressed()  local
246 	count = sandbox_sdl_scan_keys(key, sizeof(key) / sizeof(key[0]));  in sandbox_sdl_key_pressed()
247 	for (i = 0; i < count; i++) {  in sandbox_sdl_key_pressed()
252 	return -ENOENT;  in sandbox_sdl_key_pressed()
263 		avail = buf->size - buf->pos;  in sandbox_sdl_fill_audio()
265 			sdl.cur_buf = 1 - sdl.cur_buf;  in sandbox_sdl_fill_audio()
271 		SDL_MixAudio(stream, buf->data + buf->pos, avail,  in sandbox_sdl_fill_audio()
273 		buf->pos += avail;  in sandbox_sdl_fill_audio()
274 		len -= avail;  in sandbox_sdl_fill_audio()
277 		if (buf->pos == buf->size)  in sandbox_sdl_fill_audio()
278 			buf->size = 0;  in sandbox_sdl_fill_audio()
290 		return -1;  in sandbox_sdl_sound_init()
299 	wanted.samples = 1024;  /* Good low-latency value for callback */  in sandbox_sdl_sound_init()
306 		buf->alloced = sizeof(uint16_t) * wanted.freq * wanted.channels;  in sandbox_sdl_sound_init()
307 		buf->data = malloc(buf->alloced);  in sandbox_sdl_sound_init()
308 		if (!buf->data) {  in sandbox_sdl_sound_init()
312 			return -1;  in sandbox_sdl_sound_init()
314 		buf->pos = 0;  in sandbox_sdl_sound_init()
315 		buf->size = 0;  in sandbox_sdl_sound_init()
338 	return -1;  in sandbox_sdl_sound_init()
349 	if (buf->size)  in sandbox_sdl_sound_play()
351 	while (buf->size)  in sandbox_sdl_sound_play()
354 	if (size > buf->alloced)  in sandbox_sdl_sound_play()
355 		return -E2BIG;  in sandbox_sdl_sound_play()
357 	memcpy(buf->data, data, size);  in sandbox_sdl_sound_play()
358 	buf->size = size;  in sandbox_sdl_sound_play()
359 	buf->pos = 0;  in sandbox_sdl_sound_play()