1 // SPDX-License-Identifier: GPL-2.0
9 // every PCM device it can find.  This may conflict with other system
21 #include "alsa-local.h"
36 	snd_pcm_t *handle;  member
38 	int device;  member
71 	if (tstamp->tv_nsec > now.tv_nsec) {  in timestamp_diff_ms()
72 		diff.tv_sec = now.tv_sec - tstamp->tv_sec - 1;  in timestamp_diff_ms()
73 		diff.tv_nsec = (now.tv_nsec + 1000000000L) - tstamp->tv_nsec;  in timestamp_diff_ms()
75 		diff.tv_sec = now.tv_sec - tstamp->tv_sec;  in timestamp_diff_ms()
76 		diff.tv_nsec = now.tv_nsec - tstamp->tv_nsec;  in timestamp_diff_ms()
92 		return -1;  in device_from_id()
96 static void missing_device(int card, int device, int subdevice, snd_pcm_stream_t stream)  in missing_device()  argument
100 	for (pcm_data = pcm_list; pcm_data != NULL; pcm_data = pcm_data->next) {  in missing_device()
101 		if (pcm_data->card != card)  in missing_device()
103 		if (pcm_data->device != device)  in missing_device()
105 		if (pcm_data->subdevice != subdevice)  in missing_device()
107 		if (pcm_data->stream != stream)  in missing_device()
114 	pcm_data->card = card;  in missing_device()
115 	pcm_data->device = device;  in missing_device()
116 	pcm_data->subdevice = subdevice;  in missing_device()
117 	pcm_data->stream = stream;  in missing_device()
118 	pcm_data->next = pcm_missing;  in missing_device()
127 	int device, subdevice;  in missing_devices()  local
134 		device = device_from_id(node1);  in missing_devices()
135 		if (device < 0)  in missing_devices()
145 				missing_device(card, device, subdevice, SND_PCM_STREAM_PLAYBACK);  in missing_devices()
147 				missing_device(card, device, subdevice, SND_PCM_STREAM_CAPTURE);  in missing_devices()
159 	snd_ctl_t *handle;  in find_pcms()  local
166 	card = -1;  in find_pcms()
179 		err = snd_ctl_open_lconf(&handle, name, 0, config);  in find_pcms()
193 		err = snd_ctl_card_info_malloc(&card_data->info);  in find_pcms()
198 		err = snd_ctl_card_info(handle, card_data->info);  in find_pcms()
200 			card_data->name = snd_ctl_card_info_get_id(card_data->info);  in find_pcms()
201 			if (!card_data->name)  in find_pcms()
207 		if (!card_data->name)  in find_pcms()
208 			card_data->name = "Unknown";  in find_pcms()
210 		ksft_print_msg("Card %d/%s - %s (%s)\n", card,  in find_pcms()
211 			       card_data->name, card_name, card_longname);  in find_pcms()
215 		card_data->card = card;  in find_pcms()
216 		card_data->next = card_list;  in find_pcms()
219 		dev = -1;  in find_pcms()
221 			if (snd_ctl_pcm_next_device(handle, &dev) < 0)  in find_pcms()
237 				err = snd_ctl_pcm_info(handle, pcm_info);  in find_pcms()
238 				if (err == -ENOENT)  in find_pcms()
244 				ksft_print_msg("%s.0 - %s\n", card_data->name,  in find_pcms()
258 					pcm_data->card = card;  in find_pcms()
259 					pcm_data->device = dev;  in find_pcms()
260 					pcm_data->subdevice = subdev;  in find_pcms()
261 					pcm_data->card_name = card_data->name;  in find_pcms()
262 					pcm_data->stream = stream;  in find_pcms()
263 					pcm_data->pcm_config = conf_get_subtree(card_config, key, NULL);  in find_pcms()
264 					pcm_data->next = pcm_list;  in find_pcms()
274 		snd_ctl_close(handle);  in find_pcms()
292 	snd_pcm_t *handle = NULL;  in test_pcm_time()  local
324 		ksft_print_msg("%s.%s.%s.%d.%d.%s - %s\n",  in test_pcm_time()
326 			       data->card_name, data->device, data->subdevice,  in test_pcm_time()
327 			       snd_pcm_stream_name(data->stream),  in test_pcm_time()
350 	sprintf(name, "hw:%d,%d,%d", data->card, data->device, data->subdevice);  in test_pcm_time()
351 	err = snd_pcm_open(&handle, name, data->stream, 0);  in test_pcm_time()
353 		snprintf(msg, sizeof(msg), "Failed to get pcm handle: %s", snd_strerror(err));  in test_pcm_time()
357 	err = snd_pcm_hw_params_any(handle, hw_params);  in test_pcm_time()
362 	err = snd_pcm_hw_params_set_rate_resample(handle, hw_params, 0);  in test_pcm_time()
367 	err = snd_pcm_hw_params_set_access(handle, hw_params, access);  in test_pcm_time()
373 	i = -1;  in test_pcm_time()
375 	err = snd_pcm_hw_params_set_format(handle, hw_params, format);  in test_pcm_time()
382 				ksft_print_msg("%s.%s.%d.%d.%s.%s format %s -> %s\n",  in test_pcm_time()
384 						 data->card_name, data->device, data->subdevice,  in test_pcm_time()
385 						 snd_pcm_stream_name(data->stream),  in test_pcm_time()
401 	err = snd_pcm_hw_params_set_channels(handle, hw_params, channels);  in test_pcm_time()
407 	err = snd_pcm_hw_params_set_rate_near(handle, hw_params, &rrate, 0);  in test_pcm_time()
417 	err = snd_pcm_hw_params_set_period_size_near(handle, hw_params, &rperiod_size, 0);  in test_pcm_time()
423 	err = snd_pcm_hw_params_set_buffer_size_near(handle, hw_params, &rbuffer_size);  in test_pcm_time()
428 	err = snd_pcm_hw_params(handle, hw_params);  in test_pcm_time()
434 	err = snd_pcm_sw_params_current(handle, sw_params);  in test_pcm_time()
439 	if (data->stream == SND_PCM_STREAM_PLAYBACK) {  in test_pcm_time()
444 	err = snd_pcm_sw_params_set_start_threshold(handle, sw_params, start_threshold);  in test_pcm_time()
449 	err = snd_pcm_sw_params_set_avail_min(handle, sw_params, rperiod_size);  in test_pcm_time()
454 	err = snd_pcm_sw_params(handle, sw_params);  in test_pcm_time()
462 			 data->card_name, data->device, data->subdevice,  in test_pcm_time()
463 			 snd_pcm_stream_name(data->stream),  in test_pcm_time()
475 		if (data->stream == SND_PCM_STREAM_PLAYBACK) {  in test_pcm_time()
476 			frames = snd_pcm_writei(handle, samples, rate);  in test_pcm_time()
488 			frames = snd_pcm_readi(handle, samples, rate);  in test_pcm_time()
502 	snd_pcm_drain(handle);  in test_pcm_time()
504 	if (ms < duration_ms - margin_ms || ms > duration_ms + margin_ms) {  in test_pcm_time()
523 				 data->card_name, data->device,  in test_pcm_time()
524 				 data->subdevice,  in test_pcm_time()
525 				 snd_pcm_stream_name(data->stream));  in test_pcm_time()
534 				 data->card_name, data->device,  in test_pcm_time()
535 				 data->subdevice,  in test_pcm_time()
536 				 snd_pcm_stream_name(data->stream));  in test_pcm_time()
540 				 data->card_name, data->device,  in test_pcm_time()
541 				 data->subdevice,  in test_pcm_time()
542 				 snd_pcm_stream_name(data->stream));  in test_pcm_time()
550 	if (handle)  in test_pcm_time()
551 		snd_pcm_close(handle);  in test_pcm_time()
585 	for (pcm = pcm_list; pcm != NULL; pcm = pcm->next) {  in card_thread()
586 		if (pcm->card != card->card)  in card_thread()
590 		run_time_tests(pcm, TEST_CLASS_SYSTEM, pcm->pcm_config);  in card_thread()
608 	global_config = conf_load_from_file("pcm-test.conf");  in main()
617 	for (conf = conf_cards; conf; conf = conf->next)  in main()
618 		if (conf->card < 0)  in main()
623 	for (pcm = pcm_list; pcm != NULL; pcm = pcm->next) {  in main()
625 		cfg = pcm->pcm_config;  in main()
636 	for (conf = conf_cards; conf; conf = conf->next)  in main()
637 		if (conf->card < 0)  in main()
639 					      conf->filename, conf->config_id);  in main()
641 	for (pcm = pcm_missing; pcm != NULL; pcm = pcm->next) {  in main()
643 				 pcm->card_name, pcm->device, pcm->subdevice,  in main()
644 				 snd_pcm_stream_name(pcm->stream));  in main()
647 	for (card = card_list; card != NULL; card = card->next) {  in main()
648 		ret = pthread_create(&card->thread, NULL, card_thread, card);  in main()
651 					   card->card, ret,  in main()
656 	for (card = card_list; card != NULL; card = card->next) {  in main()
657 		ret = pthread_join(card->thread, &thread_ret);  in main()
660 					   card->card, ret,  in main()