1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <sound/pcm.h>
18 /* convert our full speed USB rate into sampling rate in Hz */
24 /* convert our high speed USB rate into sampling rate in Hz */
35 	struct snd_usb_audio *chip = entry->private_data;  in proc_audio_usbbus_read()
36 	if (!atomic_read(&chip->shutdown))  in proc_audio_usbbus_read()
37 		snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum);  in proc_audio_usbbus_read()
42 	struct snd_usb_audio *chip = entry->private_data;  in proc_audio_usbid_read()
43 	if (!atomic_read(&chip->shutdown))  in proc_audio_usbid_read()
45 			    USB_ID_VENDOR(chip->usb_id),  in proc_audio_usbid_read()
46 			    USB_ID_PRODUCT(chip->usb_id));  in proc_audio_usbid_read()
51 	snd_card_ro_proc_new(chip->card, "usbbus", chip,  in snd_usb_audio_create_proc()
53 	snd_card_ro_proc_new(chip->card, "usbid", chip,  in snd_usb_audio_create_proc()
90  * proc interface for list the supported pcm formats
99 	list_for_each_entry(fp, &subs->fmt_list, list) {  in proc_dump_substream_formats()
102 		snd_iprintf(buffer, "  Interface %d\n", fp->iface);  in proc_dump_substream_formats()
103 		snd_iprintf(buffer, "    Altset %d\n", fp->altsetting);  in proc_dump_substream_formats()
106 			if (fp->formats & pcm_format_to_bits(fmt))  in proc_dump_substream_formats()
110 		snd_iprintf(buffer, "    Channels: %d\n", fp->channels);  in proc_dump_substream_formats()
112 			    fp->endpoint & USB_ENDPOINT_NUMBER_MASK,  in proc_dump_substream_formats()
113 			    fp->endpoint & USB_DIR_IN ? "IN" : "OUT",  in proc_dump_substream_formats()
114 			    sync_types[(fp->ep_attr & USB_ENDPOINT_SYNCTYPE) >> 2]);  in proc_dump_substream_formats()
115 		if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS) {  in proc_dump_substream_formats()
116 			snd_iprintf(buffer, "    Rates: %d - %d (continuous)\n",  in proc_dump_substream_formats()
117 				    fp->rate_min, fp->rate_max);  in proc_dump_substream_formats()
121 			for (i = 0; i < fp->nr_rates; i++) {  in proc_dump_substream_formats()
124 				snd_iprintf(buffer, "%d", fp->rate_table[i]);  in proc_dump_substream_formats()
128 		if (subs->speed != USB_SPEED_FULL)  in proc_dump_substream_formats()
130 				    125 * (1 << fp->datainterval));  in proc_dump_substream_formats()
131 		snd_iprintf(buffer, "    Bits: %d\n", fp->fmt_bits);  in proc_dump_substream_formats()
133 		if (fp->dsd_raw)  in proc_dump_substream_formats()
135 				    fp->dsd_dop, fp->dsd_bitrev);  in proc_dump_substream_formats()
137 		if (fp->chmap) {  in proc_dump_substream_formats()
138 			const struct snd_pcm_chmap_elem *map = fp->chmap;  in proc_dump_substream_formats()
142 			for (c = 0; c < map->channels; c++) {  in proc_dump_substream_formats()
143 				if (map->map[c] >= ARRAY_SIZE(channel_labels) ||  in proc_dump_substream_formats()
144 				    !channel_labels[map->map[c]])  in proc_dump_substream_formats()
145 					snd_iprintf(buffer, " --");  in proc_dump_substream_formats()
148 						    channel_labels[map->map[c]]);  in proc_dump_substream_formats()
153 		// snd_iprintf(buffer, "    Max Packet Size = %d\n", fp->maxpacksize);  in proc_dump_substream_formats()
154 		// snd_iprintf(buffer, "    EP Attribute = %#x\n", fp->attributes);  in proc_dump_substream_formats()
165 	snd_iprintf(buffer, "    Packet Size = %d\n", data_ep->curpacksize);  in proc_dump_ep_status()
167 		    subs->speed == USB_SPEED_FULL  in proc_dump_ep_status()
168 		    ? get_full_speed_hz(data_ep->freqm)  in proc_dump_ep_status()
169 		    : get_high_speed_hz(data_ep->freqm),  in proc_dump_ep_status()
170 		    data_ep->freqm >> 16, data_ep->freqm & 0xffff);  in proc_dump_ep_status()
171 	if (sync_ep && data_ep->freqshift != INT_MIN) {  in proc_dump_ep_status()
172 		int res = 16 - data_ep->freqshift;  in proc_dump_ep_status()
174 			    (sync_ep->syncmaxsize > 3 ? 32 : 24) - res, res);  in proc_dump_ep_status()
180 	if (subs->running) {  in proc_dump_substream_status()
182 		snd_iprintf(buffer, "    Interface = %d\n", subs->interface);  in proc_dump_substream_status()
183 		snd_iprintf(buffer, "    Altset = %d\n", subs->altset_idx);  in proc_dump_substream_status()
184 		proc_dump_ep_status(subs, subs->data_endpoint, subs->sync_endpoint, buffer);  in proc_dump_substream_status()
192 	struct snd_usb_stream *stream = entry->private_data;  in proc_pcm_format_read()
194 	snd_iprintf(buffer, "%s : %s\n", stream->chip->card->longname, stream->pcm->name);  in proc_pcm_format_read()
196 	if (stream->substream[SNDRV_PCM_STREAM_PLAYBACK].num_formats) {  in proc_pcm_format_read()
198 		proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer);  in proc_pcm_format_read()
199 		proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer);  in proc_pcm_format_read()
201 	if (stream->substream[SNDRV_PCM_STREAM_CAPTURE].num_formats) {  in proc_pcm_format_read()
203 		proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer);  in proc_pcm_format_read()
204 		proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer);  in proc_pcm_format_read()
211 	struct snd_card *card = stream->chip->card;  in snd_usb_proc_pcm_format_add()
213 	sprintf(name, "stream%d", stream->pcm_index);  in snd_usb_proc_pcm_format_add()