1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 */ 3 */
4 4
5 #include <linux/init.h> 5 #include <linux/init.h>
6 #include <linux/usb.h> 6 #include <linux/usb.h>
7 7
8 #include <sound/core.h> 8 #include <sound/core.h>
9 #include <sound/info.h> 9 #include <sound/info.h>
10 #include <sound/pcm.h> 10 #include <sound/pcm.h>
11 11
12 #include "usbaudio.h" 12 #include "usbaudio.h"
13 #include "helper.h" 13 #include "helper.h"
14 #include "card.h" 14 #include "card.h"
15 #include "endpoint.h" 15 #include "endpoint.h"
16 #include "proc.h" 16 #include "proc.h"
17 17
18 /* convert our full speed USB rate into sampli 18 /* convert our full speed USB rate into sampling rate in Hz */
19 static inline unsigned get_full_speed_hz(unsig 19 static inline unsigned get_full_speed_hz(unsigned int usb_rate)
20 { 20 {
21 return (usb_rate * 125 + (1 << 12)) >> 21 return (usb_rate * 125 + (1 << 12)) >> 13;
22 } 22 }
23 23
24 /* convert our high speed USB rate into sampli 24 /* convert our high speed USB rate into sampling rate in Hz */
25 static inline unsigned get_high_speed_hz(unsig 25 static inline unsigned get_high_speed_hz(unsigned int usb_rate)
26 { 26 {
27 return (usb_rate * 125 + (1 << 9)) >> 27 return (usb_rate * 125 + (1 << 9)) >> 10;
28 } 28 }
29 29
30 /* 30 /*
31 * common proc files to show the usb device in 31 * common proc files to show the usb device info
32 */ 32 */
33 static void proc_audio_usbbus_read(struct snd_ 33 static void proc_audio_usbbus_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
34 { 34 {
35 struct snd_usb_audio *chip = entry->pr 35 struct snd_usb_audio *chip = entry->private_data;
36 if (!atomic_read(&chip->shutdown)) 36 if (!atomic_read(&chip->shutdown))
37 snd_iprintf(buffer, "%03d/%03d 37 snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum);
38 } 38 }
39 39
40 static void proc_audio_usbid_read(struct snd_i 40 static void proc_audio_usbid_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
41 { 41 {
42 struct snd_usb_audio *chip = entry->pr 42 struct snd_usb_audio *chip = entry->private_data;
43 if (!atomic_read(&chip->shutdown)) 43 if (!atomic_read(&chip->shutdown))
44 snd_iprintf(buffer, "%04x:%04x 44 snd_iprintf(buffer, "%04x:%04x\n",
45 USB_ID_VENDOR(chip 45 USB_ID_VENDOR(chip->usb_id),
46 USB_ID_PRODUCT(chi 46 USB_ID_PRODUCT(chip->usb_id));
47 } 47 }
48 48
49 void snd_usb_audio_create_proc(struct snd_usb_ 49 void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
50 { 50 {
51 snd_card_ro_proc_new(chip->card, "usbb 51 snd_card_ro_proc_new(chip->card, "usbbus", chip,
52 proc_audio_usbbus 52 proc_audio_usbbus_read);
53 snd_card_ro_proc_new(chip->card, "usbi 53 snd_card_ro_proc_new(chip->card, "usbid", chip,
54 proc_audio_usbid_ 54 proc_audio_usbid_read);
55 } 55 }
56 56
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 <<
89 /* 57 /*
90 * proc interface for list the supported pcm f 58 * proc interface for list the supported pcm formats
91 */ 59 */
92 static void proc_dump_substream_formats(struct 60 static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
93 { 61 {
94 struct audioformat *fp; 62 struct audioformat *fp;
95 static const char * const sync_types[4 63 static const char * const sync_types[4] = {
96 "NONE", "ASYNC", "ADAPTIVE", " 64 "NONE", "ASYNC", "ADAPTIVE", "SYNC"
97 }; 65 };
98 66
99 list_for_each_entry(fp, &subs->fmt_lis 67 list_for_each_entry(fp, &subs->fmt_list, list) {
100 snd_pcm_format_t fmt; 68 snd_pcm_format_t fmt;
101 69
102 snd_iprintf(buffer, " Interfa 70 snd_iprintf(buffer, " Interface %d\n", fp->iface);
103 snd_iprintf(buffer, " Altse 71 snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
104 snd_iprintf(buffer, " Forma 72 snd_iprintf(buffer, " Format:");
105 pcm_for_each_format(fmt) 73 pcm_for_each_format(fmt)
106 if (fp->formats & pcm_ 74 if (fp->formats & pcm_format_to_bits(fmt))
107 snd_iprintf(bu 75 snd_iprintf(buffer, " %s",
108 sn 76 snd_pcm_format_name(fmt));
109 snd_iprintf(buffer, "\n"); 77 snd_iprintf(buffer, "\n");
110 snd_iprintf(buffer, " Chann 78 snd_iprintf(buffer, " Channels: %d\n", fp->channels);
111 snd_iprintf(buffer, " Endpo !! 79 snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
112 fp->endpoint, <<
113 fp->endpoint & USB 80 fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
114 fp->endpoint & USB 81 fp->endpoint & USB_DIR_IN ? "IN" : "OUT",
115 sync_types[(fp->ep 82 sync_types[(fp->ep_attr & USB_ENDPOINT_SYNCTYPE) >> 2]);
116 if (fp->rates & SNDRV_PCM_RATE 83 if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS) {
117 snd_iprintf(buffer, " 84 snd_iprintf(buffer, " Rates: %d - %d (continuous)\n",
118 fp->rate_m 85 fp->rate_min, fp->rate_max);
119 } else { 86 } else {
120 unsigned int i; 87 unsigned int i;
121 snd_iprintf(buffer, " 88 snd_iprintf(buffer, " Rates: ");
122 for (i = 0; i < fp->nr 89 for (i = 0; i < fp->nr_rates; i++) {
123 if (i > 0) 90 if (i > 0)
124 snd_ip 91 snd_iprintf(buffer, ", ");
125 snd_iprintf(bu 92 snd_iprintf(buffer, "%d", fp->rate_table[i]);
126 } 93 }
127 snd_iprintf(buffer, "\ 94 snd_iprintf(buffer, "\n");
128 } 95 }
129 if (subs->speed != USB_SPEED_F 96 if (subs->speed != USB_SPEED_FULL)
130 snd_iprintf(buffer, " 97 snd_iprintf(buffer, " Data packet interval: %d us\n",
131 125 * (1 < 98 125 * (1 << fp->datainterval));
132 snd_iprintf(buffer, " Bits: 99 snd_iprintf(buffer, " Bits: %d\n", fp->fmt_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 100 // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
168 // snd_iprintf(buffer, " EP 101 // snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
169 } 102 }
170 } 103 }
171 104
172 static void proc_dump_ep_status(struct snd_usb 105 static void proc_dump_ep_status(struct snd_usb_substream *subs,
173 struct snd_usb 106 struct snd_usb_endpoint *data_ep,
174 struct snd_usb 107 struct snd_usb_endpoint *sync_ep,
175 struct snd_inf 108 struct snd_info_buffer *buffer)
176 { 109 {
177 if (!data_ep) 110 if (!data_ep)
178 return; 111 return;
179 snd_iprintf(buffer, " Packet Size = 112 snd_iprintf(buffer, " Packet Size = %d\n", data_ep->curpacksize);
180 snd_iprintf(buffer, " Momentary fre 113 snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n",
181 subs->speed == USB_SPEED_F 114 subs->speed == USB_SPEED_FULL
182 ? get_full_speed_hz(data_e 115 ? get_full_speed_hz(data_ep->freqm)
183 : get_high_speed_hz(data_e 116 : get_high_speed_hz(data_ep->freqm),
184 data_ep->freqm >> 16, data 117 data_ep->freqm >> 16, data_ep->freqm & 0xffff);
185 if (sync_ep && data_ep->freqshift != I 118 if (sync_ep && data_ep->freqshift != INT_MIN) {
186 int res = 16 - data_ep->freqsh 119 int res = 16 - data_ep->freqshift;
187 snd_iprintf(buffer, " Feedb 120 snd_iprintf(buffer, " Feedback Format = %d.%d\n",
188 (sync_ep->syncmaxs 121 (sync_ep->syncmaxsize > 3 ? 32 : 24) - res, res);
189 } 122 }
190 } 123 }
191 124
192 static void proc_dump_substream_status(struct !! 125 static void proc_dump_substream_status(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)
193 struct <<
194 struct <<
195 { 126 {
196 mutex_lock(&chip->mutex); <<
197 if (subs->running) { 127 if (subs->running) {
198 snd_iprintf(buffer, " Status: 128 snd_iprintf(buffer, " Status: Running\n");
199 if (subs->cur_audiofmt) { !! 129 snd_iprintf(buffer, " Interface = %d\n", subs->interface);
200 snd_iprintf(buffer, " !! 130 snd_iprintf(buffer, " Altset = %d\n", subs->altset_idx);
201 snd_iprintf(buffer, " <<
202 } <<
203 proc_dump_ep_status(subs, subs 131 proc_dump_ep_status(subs, subs->data_endpoint, subs->sync_endpoint, buffer);
204 } else { 132 } else {
205 snd_iprintf(buffer, " Status: 133 snd_iprintf(buffer, " Status: Stop\n");
206 } 134 }
207 mutex_unlock(&chip->mutex); <<
208 } 135 }
209 136
210 static void proc_pcm_format_read(struct snd_in 137 static void proc_pcm_format_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
211 { 138 {
212 struct snd_usb_stream *stream = entry- 139 struct snd_usb_stream *stream = entry->private_data;
213 struct snd_usb_audio *chip = stream->c <<
214 140
215 snd_iprintf(buffer, "%s : %s\n", chip- !! 141 snd_iprintf(buffer, "%s : %s\n", stream->chip->card->longname, stream->pcm->name);
216 142
217 if (stream->substream[SNDRV_PCM_STREAM 143 if (stream->substream[SNDRV_PCM_STREAM_PLAYBACK].num_formats) {
218 snd_iprintf(buffer, "\nPlaybac 144 snd_iprintf(buffer, "\nPlayback:\n");
219 proc_dump_substream_status(chi !! 145 proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer);
220 proc_dump_substream_formats(&s 146 proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer);
221 } 147 }
222 if (stream->substream[SNDRV_PCM_STREAM 148 if (stream->substream[SNDRV_PCM_STREAM_CAPTURE].num_formats) {
223 snd_iprintf(buffer, "\nCapture 149 snd_iprintf(buffer, "\nCapture:\n");
224 proc_dump_substream_status(chi !! 150 proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer);
225 proc_dump_substream_formats(&s 151 proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer);
226 } 152 }
227 } 153 }
228 154
229 void snd_usb_proc_pcm_format_add(struct snd_us 155 void snd_usb_proc_pcm_format_add(struct snd_usb_stream *stream)
230 { 156 {
231 char name[32]; 157 char name[32];
232 struct snd_card *card = stream->chip-> 158 struct snd_card *card = stream->chip->card;
233 159
234 sprintf(name, "stream%d", stream->pcm_ 160 sprintf(name, "stream%d", stream->pcm_index);
235 snd_card_ro_proc_new(card, name, strea 161 snd_card_ro_proc_new(card, name, stream, proc_pcm_format_read);
236 } 162 }
237 163
238 164
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