1 // SPDX-License-Identifier: GPL-2.0-or-later << 2 /* 1 /* >> 2 * This program is free software; you can redistribute it and/or modify >> 3 * it under the terms of the GNU General Public License as published by >> 4 * the Free Software Foundation; either version 2 of the License, or >> 5 * (at your option) any later version. >> 6 * >> 7 * This program is distributed in the hope that it will be useful, >> 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of >> 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> 10 * GNU General Public License for more details. >> 11 * >> 12 * You should have received a copy of the GNU General Public License >> 13 * along with this program; if not, write to the Free Software >> 14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA >> 15 * 3 */ 16 */ 4 17 5 #include <linux/init.h> 18 #include <linux/init.h> 6 #include <linux/usb.h> 19 #include <linux/usb.h> 7 20 8 #include <sound/core.h> 21 #include <sound/core.h> 9 #include <sound/info.h> 22 #include <sound/info.h> 10 #include <sound/pcm.h> 23 #include <sound/pcm.h> 11 24 12 #include "usbaudio.h" 25 #include "usbaudio.h" 13 #include "helper.h" 26 #include "helper.h" 14 #include "card.h" 27 #include "card.h" 15 #include "endpoint.h" 28 #include "endpoint.h" 16 #include "proc.h" 29 #include "proc.h" 17 30 18 /* convert our full speed USB rate into sampli 31 /* convert our full speed USB rate into sampling rate in Hz */ 19 static inline unsigned get_full_speed_hz(unsig 32 static inline unsigned get_full_speed_hz(unsigned int usb_rate) 20 { 33 { 21 return (usb_rate * 125 + (1 << 12)) >> 34 return (usb_rate * 125 + (1 << 12)) >> 13; 22 } 35 } 23 36 24 /* convert our high speed USB rate into sampli 37 /* convert our high speed USB rate into sampling rate in Hz */ 25 static inline unsigned get_high_speed_hz(unsig 38 static inline unsigned get_high_speed_hz(unsigned int usb_rate) 26 { 39 { 27 return (usb_rate * 125 + (1 << 9)) >> 40 return (usb_rate * 125 + (1 << 9)) >> 10; 28 } 41 } 29 42 30 /* 43 /* 31 * common proc files to show the usb device in 44 * common proc files to show the usb device info 32 */ 45 */ 33 static void proc_audio_usbbus_read(struct snd_ 46 static void proc_audio_usbbus_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 34 { 47 { 35 struct snd_usb_audio *chip = entry->pr 48 struct snd_usb_audio *chip = entry->private_data; 36 if (!atomic_read(&chip->shutdown)) 49 if (!atomic_read(&chip->shutdown)) 37 snd_iprintf(buffer, "%03d/%03d 50 snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum); 38 } 51 } 39 52 40 static void proc_audio_usbid_read(struct snd_i 53 static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 41 { 54 { 42 struct snd_usb_audio *chip = entry->pr 55 struct snd_usb_audio *chip = entry->private_data; 43 if (!atomic_read(&chip->shutdown)) 56 if (!atomic_read(&chip->shutdown)) 44 snd_iprintf(buffer, "%04x:%04x 57 snd_iprintf(buffer, "%04x:%04x\n", 45 USB_ID_VENDOR(chip 58 USB_ID_VENDOR(chip->usb_id), 46 USB_ID_PRODUCT(chi 59 USB_ID_PRODUCT(chip->usb_id)); 47 } 60 } 48 61 49 void snd_usb_audio_create_proc(struct snd_usb_ 62 void snd_usb_audio_create_proc(struct snd_usb_audio *chip) 50 { 63 { 51 snd_card_ro_proc_new(chip->card, "usbb !! 64 struct snd_info_entry *entry; 52 proc_audio_usbbus !! 65 if (!snd_card_proc_new(chip->card, "usbbus", &entry)) 53 snd_card_ro_proc_new(chip->card, "usbi !! 66 snd_info_set_text_ops(entry, chip, proc_audio_usbbus_read); 54 proc_audio_usbid_ !! 67 if (!snd_card_proc_new(chip->card, "usbid", &entry)) 55 } !! 68 snd_info_set_text_ops(entry, chip, proc_audio_usbid_read); 56 !! 69 } 57 static const char * const channel_labels[] = { << 58 [SNDRV_CHMAP_NA] = "N/A", << 59 [SNDRV_CHMAP_MONO] = "MONO", << 60 [SNDRV_CHMAP_FL] = "FL", << 61 [SNDRV_CHMAP_FR] = "FR", << 62 [SNDRV_CHMAP_FC] = "FC", << 63 [SNDRV_CHMAP_LFE] = "LFE", << 64 [SNDRV_CHMAP_RL] = "RL", << 65 [SNDRV_CHMAP_RR] = "RR", << 66 [SNDRV_CHMAP_FLC] = "FLC", << 67 [SNDRV_CHMAP_FRC] = "FRC", << 68 [SNDRV_CHMAP_RC] = "RC", << 69 [SNDRV_CHMAP_SL] = "SL", << 70 [SNDRV_CHMAP_SR] = "SR", << 71 [SNDRV_CHMAP_TC] = "TC", << 72 [SNDRV_CHMAP_TFL] = "TFL", << 73 [SNDRV_CHMAP_TFC] = "TFC", << 74 [SNDRV_CHMAP_TFR] = "TFR", << 75 [SNDRV_CHMAP_TRL] = "TRL", << 76 [SNDRV_CHMAP_TRC] = "TRC", << 77 [SNDRV_CHMAP_TRR] = "TRR", << 78 [SNDRV_CHMAP_TFLC] = "TFLC", << 79 [SNDRV_CHMAP_TFRC] = "TFRC", << 80 [SNDRV_CHMAP_LLFE] = "LLFE", << 81 [SNDRV_CHMAP_RLFE] = "RLFE", << 82 [SNDRV_CHMAP_TSL] = "TSL", << 83 [SNDRV_CHMAP_TSR] = "TSR", << 84 [SNDRV_CHMAP_BC] = "BC", << 85 [SNDRV_CHMAP_RLC] = "RLC", << 86 [SNDRV_CHMAP_RRC] = "RRC", << 87 }; << 88 70 89 /* 71 /* 90 * proc interface for list the supported pcm f 72 * proc interface for list the supported pcm formats 91 */ 73 */ 92 static void proc_dump_substream_formats(struct 74 static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct snd_info_buffer *buffer) 93 { 75 { 94 struct audioformat *fp; 76 struct audioformat *fp; 95 static const char * const sync_types[4 !! 77 static char *sync_types[4] = { 96 "NONE", "ASYNC", "ADAPTIVE", " 78 "NONE", "ASYNC", "ADAPTIVE", "SYNC" 97 }; 79 }; 98 80 99 list_for_each_entry(fp, &subs->fmt_lis 81 list_for_each_entry(fp, &subs->fmt_list, list) { 100 snd_pcm_format_t fmt; 82 snd_pcm_format_t fmt; 101 83 102 snd_iprintf(buffer, " Interfa 84 snd_iprintf(buffer, " Interface %d\n", fp->iface); 103 snd_iprintf(buffer, " Altse 85 snd_iprintf(buffer, " Altset %d\n", fp->altsetting); 104 snd_iprintf(buffer, " Forma 86 snd_iprintf(buffer, " Format:"); 105 pcm_for_each_format(fmt) !! 87 for (fmt = 0; fmt <= SNDRV_PCM_FORMAT_LAST; ++fmt) 106 if (fp->formats & pcm_ 88 if (fp->formats & pcm_format_to_bits(fmt)) 107 snd_iprintf(bu 89 snd_iprintf(buffer, " %s", 108 sn 90 snd_pcm_format_name(fmt)); 109 snd_iprintf(buffer, "\n"); 91 snd_iprintf(buffer, "\n"); 110 snd_iprintf(buffer, " Chann 92 snd_iprintf(buffer, " Channels: %d\n", fp->channels); 111 snd_iprintf(buffer, " Endpo !! 93 snd_iprintf(buffer, " Endpoint: %d %s (%s)\n", 112 fp->endpoint, << 113 fp->endpoint & USB 94 fp->endpoint & USB_ENDPOINT_NUMBER_MASK, 114 fp->endpoint & USB 95 fp->endpoint & USB_DIR_IN ? "IN" : "OUT", 115 sync_types[(fp->ep 96 sync_types[(fp->ep_attr & USB_ENDPOINT_SYNCTYPE) >> 2]); 116 if (fp->rates & SNDRV_PCM_RATE 97 if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS) { 117 snd_iprintf(buffer, " 98 snd_iprintf(buffer, " Rates: %d - %d (continuous)\n", 118 fp->rate_m 99 fp->rate_min, fp->rate_max); 119 } else { 100 } else { 120 unsigned int i; 101 unsigned int i; 121 snd_iprintf(buffer, " 102 snd_iprintf(buffer, " Rates: "); 122 for (i = 0; i < fp->nr 103 for (i = 0; i < fp->nr_rates; i++) { 123 if (i > 0) 104 if (i > 0) 124 snd_ip 105 snd_iprintf(buffer, ", "); 125 snd_iprintf(bu 106 snd_iprintf(buffer, "%d", fp->rate_table[i]); 126 } 107 } 127 snd_iprintf(buffer, "\ 108 snd_iprintf(buffer, "\n"); 128 } 109 } 129 if (subs->speed != USB_SPEED_F 110 if (subs->speed != USB_SPEED_FULL) 130 snd_iprintf(buffer, " 111 snd_iprintf(buffer, " Data packet interval: %d us\n", 131 125 * (1 < 112 125 * (1 << fp->datainterval)); 132 snd_iprintf(buffer, " Bits: << 133 << 134 if (fp->dsd_raw) << 135 snd_iprintf(buffer, " << 136 fp->dsd_do << 137 << 138 if (fp->chmap) { << 139 const struct snd_pcm_c << 140 int c; << 141 << 142 snd_iprintf(buffer, " << 143 for (c = 0; c < map->c << 144 if (map->map[c << 145 !channel_l << 146 snd_ip << 147 else << 148 snd_ip << 149 << 150 } << 151 snd_iprintf(buffer, "\ << 152 } << 153 << 154 if (fp->sync_ep) { << 155 snd_iprintf(buffer, " << 156 fp->sync_e << 157 fp->sync_e << 158 fp->sync_e << 159 snd_iprintf(buffer, " << 160 fp->sync_i << 161 snd_iprintf(buffer, " << 162 fp->sync_a << 163 snd_iprintf(buffer, " << 164 fp->implic << 165 } << 166 << 167 // snd_iprintf(buffer, " Ma 113 // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize); 168 // snd_iprintf(buffer, " EP 114 // snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes); 169 } 115 } 170 } 116 } 171 117 172 static void proc_dump_ep_status(struct snd_usb 118 static void proc_dump_ep_status(struct snd_usb_substream *subs, 173 struct snd_usb 119 struct snd_usb_endpoint *data_ep, 174 struct snd_usb 120 struct snd_usb_endpoint *sync_ep, 175 struct snd_inf 121 struct snd_info_buffer *buffer) 176 { 122 { 177 if (!data_ep) 123 if (!data_ep) 178 return; 124 return; 179 snd_iprintf(buffer, " Packet Size = 125 snd_iprintf(buffer, " Packet Size = %d\n", data_ep->curpacksize); 180 snd_iprintf(buffer, " Momentary fre 126 snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", 181 subs->speed == USB_SPEED_F 127 subs->speed == USB_SPEED_FULL 182 ? get_full_speed_hz(data_e 128 ? get_full_speed_hz(data_ep->freqm) 183 : get_high_speed_hz(data_e 129 : get_high_speed_hz(data_ep->freqm), 184 data_ep->freqm >> 16, data 130 data_ep->freqm >> 16, data_ep->freqm & 0xffff); 185 if (sync_ep && data_ep->freqshift != I 131 if (sync_ep && data_ep->freqshift != INT_MIN) { 186 int res = 16 - data_ep->freqsh 132 int res = 16 - data_ep->freqshift; 187 snd_iprintf(buffer, " Feedb 133 snd_iprintf(buffer, " Feedback Format = %d.%d\n", 188 (sync_ep->syncmaxs 134 (sync_ep->syncmaxsize > 3 ? 32 : 24) - res, res); 189 } 135 } 190 } 136 } 191 137 192 static void proc_dump_substream_status(struct !! 138 static void proc_dump_substream_status(struct snd_usb_substream *subs, struct snd_info_buffer *buffer) 193 struct << 194 struct << 195 { 139 { 196 mutex_lock(&chip->mutex); << 197 if (subs->running) { 140 if (subs->running) { 198 snd_iprintf(buffer, " Status: 141 snd_iprintf(buffer, " Status: Running\n"); 199 if (subs->cur_audiofmt) { !! 142 snd_iprintf(buffer, " Interface = %d\n", subs->interface); 200 snd_iprintf(buffer, " !! 143 snd_iprintf(buffer, " Altset = %d\n", subs->altset_idx); 201 snd_iprintf(buffer, " << 202 } << 203 proc_dump_ep_status(subs, subs 144 proc_dump_ep_status(subs, subs->data_endpoint, subs->sync_endpoint, buffer); 204 } else { 145 } else { 205 snd_iprintf(buffer, " Status: 146 snd_iprintf(buffer, " Status: Stop\n"); 206 } 147 } 207 mutex_unlock(&chip->mutex); << 208 } 148 } 209 149 210 static void proc_pcm_format_read(struct snd_in 150 static void proc_pcm_format_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 211 { 151 { 212 struct snd_usb_stream *stream = entry- 152 struct snd_usb_stream *stream = entry->private_data; 213 struct snd_usb_audio *chip = stream->c << 214 153 215 snd_iprintf(buffer, "%s : %s\n", chip- !! 154 snd_iprintf(buffer, "%s : %s\n", stream->chip->card->longname, stream->pcm->name); 216 155 217 if (stream->substream[SNDRV_PCM_STREAM 156 if (stream->substream[SNDRV_PCM_STREAM_PLAYBACK].num_formats) { 218 snd_iprintf(buffer, "\nPlaybac 157 snd_iprintf(buffer, "\nPlayback:\n"); 219 proc_dump_substream_status(chi !! 158 proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer); 220 proc_dump_substream_formats(&s 159 proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer); 221 } 160 } 222 if (stream->substream[SNDRV_PCM_STREAM 161 if (stream->substream[SNDRV_PCM_STREAM_CAPTURE].num_formats) { 223 snd_iprintf(buffer, "\nCapture 162 snd_iprintf(buffer, "\nCapture:\n"); 224 proc_dump_substream_status(chi !! 163 proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer); 225 proc_dump_substream_formats(&s 164 proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer); 226 } 165 } 227 } 166 } 228 167 229 void snd_usb_proc_pcm_format_add(struct snd_us 168 void snd_usb_proc_pcm_format_add(struct snd_usb_stream *stream) 230 { 169 { >> 170 struct snd_info_entry *entry; 231 char name[32]; 171 char name[32]; 232 struct snd_card *card = stream->chip-> 172 struct snd_card *card = stream->chip->card; 233 173 234 sprintf(name, "stream%d", stream->pcm_ 174 sprintf(name, "stream%d", stream->pcm_index); 235 snd_card_ro_proc_new(card, name, strea !! 175 if (!snd_card_proc_new(card, name, &entry)) >> 176 snd_info_set_text_ops(entry, stream, proc_pcm_format_read); 236 } 177 } 237 178 238 179
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