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 5
6 #include <linux/init.h> 6 #include <linux/init.h>
7 #include <linux/slab.h> 7 #include <linux/slab.h>
8 #include <linux/usb.h> 8 #include <linux/usb.h>
9 #include <linux/usb/audio.h> 9 #include <linux/usb/audio.h>
10 #include <linux/usb/audio-v2.h> 10 #include <linux/usb/audio-v2.h>
11 #include <linux/usb/audio-v3.h> 11 #include <linux/usb/audio-v3.h>
12 12
13 #include <sound/core.h> 13 #include <sound/core.h>
14 #include <sound/pcm.h> 14 #include <sound/pcm.h>
15 #include <sound/control.h> 15 #include <sound/control.h>
16 #include <sound/tlv.h> 16 #include <sound/tlv.h>
17 17
18 #include "usbaudio.h" 18 #include "usbaudio.h"
19 #include "card.h" 19 #include "card.h"
20 #include "proc.h" 20 #include "proc.h"
21 #include "quirks.h" 21 #include "quirks.h"
22 #include "endpoint.h" 22 #include "endpoint.h"
23 #include "pcm.h" 23 #include "pcm.h"
24 #include "helper.h" 24 #include "helper.h"
25 #include "format.h" 25 #include "format.h"
26 #include "clock.h" 26 #include "clock.h"
27 #include "stream.h" 27 #include "stream.h"
28 #include "power.h" 28 #include "power.h"
29 #include "media.h" 29 #include "media.h"
30 30
31 static void audioformat_free(struct audioforma 31 static void audioformat_free(struct audioformat *fp)
32 { 32 {
33 list_del(&fp->list); /* unlink for avo 33 list_del(&fp->list); /* unlink for avoiding double-free */
34 kfree(fp->rate_table); 34 kfree(fp->rate_table);
35 kfree(fp->chmap); 35 kfree(fp->chmap);
36 kfree(fp); 36 kfree(fp);
37 } 37 }
38 38
39 /* 39 /*
40 * free a substream 40 * free a substream
41 */ 41 */
42 static void free_substream(struct snd_usb_subs 42 static void free_substream(struct snd_usb_substream *subs)
43 { 43 {
44 struct audioformat *fp, *n; 44 struct audioformat *fp, *n;
45 45
46 if (!subs->num_formats) 46 if (!subs->num_formats)
47 return; /* not initialized */ 47 return; /* not initialized */
48 list_for_each_entry_safe(fp, n, &subs- 48 list_for_each_entry_safe(fp, n, &subs->fmt_list, list)
49 audioformat_free(fp); 49 audioformat_free(fp);
>> 50 kfree(subs->rate_list.list);
50 kfree(subs->str_pd); 51 kfree(subs->str_pd);
51 snd_media_stream_delete(subs); 52 snd_media_stream_delete(subs);
52 } 53 }
53 54
54 55
55 /* 56 /*
56 * free a usb stream instance 57 * free a usb stream instance
57 */ 58 */
58 static void snd_usb_audio_stream_free(struct s 59 static void snd_usb_audio_stream_free(struct snd_usb_stream *stream)
59 { 60 {
60 free_substream(&stream->substream[0]); 61 free_substream(&stream->substream[0]);
61 free_substream(&stream->substream[1]); 62 free_substream(&stream->substream[1]);
62 list_del(&stream->list); 63 list_del(&stream->list);
63 kfree(stream); 64 kfree(stream);
64 } 65 }
65 66
66 static void snd_usb_audio_pcm_free(struct snd_ 67 static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)
67 { 68 {
68 struct snd_usb_stream *stream = pcm->p 69 struct snd_usb_stream *stream = pcm->private_data;
69 if (stream) { 70 if (stream) {
70 stream->pcm = NULL; 71 stream->pcm = NULL;
71 snd_usb_audio_stream_free(stre 72 snd_usb_audio_stream_free(stream);
72 } 73 }
73 } 74 }
74 75
75 /* 76 /*
76 * initialize the substream instance. 77 * initialize the substream instance.
77 */ 78 */
78 79
79 static void snd_usb_init_substream(struct snd_ 80 static void snd_usb_init_substream(struct snd_usb_stream *as,
80 int stream, 81 int stream,
81 struct audi 82 struct audioformat *fp,
82 struct snd_ 83 struct snd_usb_power_domain *pd)
83 { 84 {
84 struct snd_usb_substream *subs = &as-> 85 struct snd_usb_substream *subs = &as->substream[stream];
85 86
86 INIT_LIST_HEAD(&subs->fmt_list); 87 INIT_LIST_HEAD(&subs->fmt_list);
87 spin_lock_init(&subs->lock); 88 spin_lock_init(&subs->lock);
88 89
89 subs->stream = as; 90 subs->stream = as;
90 subs->direction = stream; 91 subs->direction = stream;
91 subs->dev = as->chip->dev; 92 subs->dev = as->chip->dev;
92 subs->txfr_quirk = !!(as->chip->quirk_ !! 93 subs->txfr_quirk = as->chip->txfr_quirk;
93 subs->tx_length_quirk = !!(as->chip->q !! 94 subs->tx_length_quirk = as->chip->tx_length_quirk;
94 subs->speed = snd_usb_get_speed(subs-> 95 subs->speed = snd_usb_get_speed(subs->dev);
95 subs->pkt_offset_adj = 0; 96 subs->pkt_offset_adj = 0;
96 subs->stream_offset_adj = 0; <<
97 97
98 snd_usb_set_pcm_ops(as->pcm, stream); 98 snd_usb_set_pcm_ops(as->pcm, stream);
99 99
100 list_add_tail(&fp->list, &subs->fmt_li 100 list_add_tail(&fp->list, &subs->fmt_list);
101 subs->formats |= fp->formats; 101 subs->formats |= fp->formats;
102 subs->num_formats++; 102 subs->num_formats++;
103 subs->fmt_type = fp->fmt_type; 103 subs->fmt_type = fp->fmt_type;
104 subs->ep_num = fp->endpoint; 104 subs->ep_num = fp->endpoint;
105 if (fp->channels > subs->channels_max) 105 if (fp->channels > subs->channels_max)
106 subs->channels_max = fp->chann 106 subs->channels_max = fp->channels;
107 107
108 if (pd) { 108 if (pd) {
109 subs->str_pd = pd; 109 subs->str_pd = pd;
110 /* Initialize Power Domain to 110 /* Initialize Power Domain to idle status D1 */
111 snd_usb_power_domain_set(subs- 111 snd_usb_power_domain_set(subs->stream->chip, pd,
112 UAC3_ 112 UAC3_PD_STATE_D1);
113 } 113 }
114 114
115 snd_usb_preallocate_buffer(subs); 115 snd_usb_preallocate_buffer(subs);
116 } 116 }
117 117
118 /* kctl callbacks for usb-audio channel maps * 118 /* kctl callbacks for usb-audio channel maps */
119 static int usb_chmap_ctl_info(struct snd_kcont 119 static int usb_chmap_ctl_info(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_e 120 struct snd_ctl_elem_info *uinfo)
121 { 121 {
122 struct snd_pcm_chmap *info = snd_kcont 122 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
123 struct snd_usb_substream *subs = info- 123 struct snd_usb_substream *subs = info->private_data;
124 124
125 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTE 125 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
126 uinfo->count = subs->channels_max; 126 uinfo->count = subs->channels_max;
127 uinfo->value.integer.min = 0; 127 uinfo->value.integer.min = 0;
128 uinfo->value.integer.max = SNDRV_CHMAP 128 uinfo->value.integer.max = SNDRV_CHMAP_LAST;
129 return 0; 129 return 0;
130 } 130 }
131 131
132 /* check whether a duplicated entry exists in 132 /* check whether a duplicated entry exists in the audiofmt list */
133 static bool have_dup_chmap(struct snd_usb_subs 133 static bool have_dup_chmap(struct snd_usb_substream *subs,
134 struct audioformat 134 struct audioformat *fp)
135 { 135 {
136 struct audioformat *prev = fp; 136 struct audioformat *prev = fp;
137 137
138 list_for_each_entry_continue_reverse(p 138 list_for_each_entry_continue_reverse(prev, &subs->fmt_list, list) {
139 if (prev->chmap && 139 if (prev->chmap &&
140 !memcmp(prev->chmap, fp->c 140 !memcmp(prev->chmap, fp->chmap, sizeof(*fp->chmap)))
141 return true; 141 return true;
142 } 142 }
143 return false; 143 return false;
144 } 144 }
145 145
146 static int usb_chmap_ctl_tlv(struct snd_kcontr 146 static int usb_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
147 unsigned int size 147 unsigned int size, unsigned int __user *tlv)
148 { 148 {
149 struct snd_pcm_chmap *info = snd_kcont 149 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
150 struct snd_usb_substream *subs = info- 150 struct snd_usb_substream *subs = info->private_data;
151 struct audioformat *fp; 151 struct audioformat *fp;
152 unsigned int __user *dst; 152 unsigned int __user *dst;
153 int count = 0; 153 int count = 0;
154 154
155 if (size < 8) 155 if (size < 8)
156 return -ENOMEM; 156 return -ENOMEM;
157 if (put_user(SNDRV_CTL_TLVT_CONTAINER, 157 if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
158 return -EFAULT; 158 return -EFAULT;
159 size -= 8; 159 size -= 8;
160 dst = tlv + 2; 160 dst = tlv + 2;
161 list_for_each_entry(fp, &subs->fmt_lis 161 list_for_each_entry(fp, &subs->fmt_list, list) {
162 int i, ch_bytes; 162 int i, ch_bytes;
163 163
164 if (!fp->chmap) 164 if (!fp->chmap)
165 continue; 165 continue;
166 if (have_dup_chmap(subs, fp)) 166 if (have_dup_chmap(subs, fp))
167 continue; 167 continue;
168 /* copy the entry */ 168 /* copy the entry */
169 ch_bytes = fp->chmap->channels 169 ch_bytes = fp->chmap->channels * 4;
170 if (size < 8 + ch_bytes) 170 if (size < 8 + ch_bytes)
171 return -ENOMEM; 171 return -ENOMEM;
172 if (put_user(SNDRV_CTL_TLVT_CH 172 if (put_user(SNDRV_CTL_TLVT_CHMAP_FIXED, dst) ||
173 put_user(ch_bytes, dst + 1 173 put_user(ch_bytes, dst + 1))
174 return -EFAULT; 174 return -EFAULT;
175 dst += 2; 175 dst += 2;
176 for (i = 0; i < fp->chmap->cha 176 for (i = 0; i < fp->chmap->channels; i++, dst++) {
177 if (put_user(fp->chmap 177 if (put_user(fp->chmap->map[i], dst))
178 return -EFAULT 178 return -EFAULT;
179 } 179 }
180 180
181 count += 8 + ch_bytes; 181 count += 8 + ch_bytes;
182 size -= 8 + ch_bytes; 182 size -= 8 + ch_bytes;
183 } 183 }
184 if (put_user(count, tlv + 1)) 184 if (put_user(count, tlv + 1))
185 return -EFAULT; 185 return -EFAULT;
186 return 0; 186 return 0;
187 } 187 }
188 188
189 static int usb_chmap_ctl_get(struct snd_kcontr 189 static int usb_chmap_ctl_get(struct snd_kcontrol *kcontrol,
190 struct snd_ctl_el 190 struct snd_ctl_elem_value *ucontrol)
191 { 191 {
192 struct snd_pcm_chmap *info = snd_kcont 192 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
193 struct snd_usb_substream *subs = info- 193 struct snd_usb_substream *subs = info->private_data;
194 struct snd_pcm_chmap_elem *chmap = NUL 194 struct snd_pcm_chmap_elem *chmap = NULL;
195 int i = 0; !! 195 int i;
196 196
>> 197 memset(ucontrol->value.integer.value, 0,
>> 198 sizeof(ucontrol->value.integer.value));
197 if (subs->cur_audiofmt) 199 if (subs->cur_audiofmt)
198 chmap = subs->cur_audiofmt->ch 200 chmap = subs->cur_audiofmt->chmap;
199 if (chmap) { 201 if (chmap) {
200 for (i = 0; i < chmap->channel 202 for (i = 0; i < chmap->channels; i++)
201 ucontrol->value.intege 203 ucontrol->value.integer.value[i] = chmap->map[i];
202 } 204 }
203 for (; i < subs->channels_max; i++) <<
204 ucontrol->value.integer.value[ <<
205 return 0; 205 return 0;
206 } 206 }
207 207
208 /* create a chmap kctl assigned to the given U 208 /* create a chmap kctl assigned to the given USB substream */
209 static int add_chmap(struct snd_pcm *pcm, int 209 static int add_chmap(struct snd_pcm *pcm, int stream,
210 struct snd_usb_substream 210 struct snd_usb_substream *subs)
211 { 211 {
212 struct audioformat *fp; 212 struct audioformat *fp;
213 struct snd_pcm_chmap *chmap; 213 struct snd_pcm_chmap *chmap;
214 struct snd_kcontrol *kctl; 214 struct snd_kcontrol *kctl;
215 int err; 215 int err;
216 216
217 list_for_each_entry(fp, &subs->fmt_lis 217 list_for_each_entry(fp, &subs->fmt_list, list)
218 if (fp->chmap) 218 if (fp->chmap)
219 goto ok; 219 goto ok;
220 /* no chmap is found */ 220 /* no chmap is found */
221 return 0; 221 return 0;
222 222
223 ok: 223 ok:
224 err = snd_pcm_add_chmap_ctls(pcm, stre 224 err = snd_pcm_add_chmap_ctls(pcm, stream, NULL, 0, 0, &chmap);
225 if (err < 0) 225 if (err < 0)
226 return err; 226 return err;
227 227
228 /* override handlers */ 228 /* override handlers */
229 chmap->private_data = subs; 229 chmap->private_data = subs;
230 kctl = chmap->kctl; 230 kctl = chmap->kctl;
231 kctl->info = usb_chmap_ctl_info; 231 kctl->info = usb_chmap_ctl_info;
232 kctl->get = usb_chmap_ctl_get; 232 kctl->get = usb_chmap_ctl_get;
233 kctl->tlv.c = usb_chmap_ctl_tlv; 233 kctl->tlv.c = usb_chmap_ctl_tlv;
234 234
235 return 0; 235 return 0;
236 } 236 }
237 237
238 /* convert from USB ChannelConfig bits to ALSA 238 /* convert from USB ChannelConfig bits to ALSA chmap element */
239 static struct snd_pcm_chmap_elem *convert_chma 239 static struct snd_pcm_chmap_elem *convert_chmap(int channels, unsigned int bits,
240 240 int protocol)
241 { 241 {
242 static const unsigned int uac1_maps[] 242 static const unsigned int uac1_maps[] = {
243 SNDRV_CHMAP_FL, /* lef 243 SNDRV_CHMAP_FL, /* left front */
244 SNDRV_CHMAP_FR, /* rig 244 SNDRV_CHMAP_FR, /* right front */
245 SNDRV_CHMAP_FC, /* cen 245 SNDRV_CHMAP_FC, /* center front */
246 SNDRV_CHMAP_LFE, /* LFE 246 SNDRV_CHMAP_LFE, /* LFE */
247 SNDRV_CHMAP_RL, /* lef !! 247 SNDRV_CHMAP_SL, /* left surround */
248 SNDRV_CHMAP_RR, /* rig !! 248 SNDRV_CHMAP_SR, /* right surround */
249 SNDRV_CHMAP_FLC, /* lef 249 SNDRV_CHMAP_FLC, /* left of center */
250 SNDRV_CHMAP_FRC, /* rig 250 SNDRV_CHMAP_FRC, /* right of center */
251 SNDRV_CHMAP_RC, /* sur 251 SNDRV_CHMAP_RC, /* surround */
252 SNDRV_CHMAP_SL, /* sid 252 SNDRV_CHMAP_SL, /* side left */
253 SNDRV_CHMAP_SR, /* sid 253 SNDRV_CHMAP_SR, /* side right */
254 SNDRV_CHMAP_TC, /* top 254 SNDRV_CHMAP_TC, /* top */
255 0 /* terminator */ 255 0 /* terminator */
256 }; 256 };
257 static const unsigned int uac2_maps[] 257 static const unsigned int uac2_maps[] = {
258 SNDRV_CHMAP_FL, /* fro 258 SNDRV_CHMAP_FL, /* front left */
259 SNDRV_CHMAP_FR, /* fro 259 SNDRV_CHMAP_FR, /* front right */
260 SNDRV_CHMAP_FC, /* fro 260 SNDRV_CHMAP_FC, /* front center */
261 SNDRV_CHMAP_LFE, /* LFE 261 SNDRV_CHMAP_LFE, /* LFE */
262 SNDRV_CHMAP_RL, /* bac 262 SNDRV_CHMAP_RL, /* back left */
263 SNDRV_CHMAP_RR, /* bac 263 SNDRV_CHMAP_RR, /* back right */
264 SNDRV_CHMAP_FLC, /* fro 264 SNDRV_CHMAP_FLC, /* front left of center */
265 SNDRV_CHMAP_FRC, /* fro 265 SNDRV_CHMAP_FRC, /* front right of center */
266 SNDRV_CHMAP_RC, /* bac 266 SNDRV_CHMAP_RC, /* back center */
267 SNDRV_CHMAP_SL, /* sid 267 SNDRV_CHMAP_SL, /* side left */
268 SNDRV_CHMAP_SR, /* sid 268 SNDRV_CHMAP_SR, /* side right */
269 SNDRV_CHMAP_TC, /* top 269 SNDRV_CHMAP_TC, /* top center */
270 SNDRV_CHMAP_TFL, /* top 270 SNDRV_CHMAP_TFL, /* top front left */
271 SNDRV_CHMAP_TFC, /* top 271 SNDRV_CHMAP_TFC, /* top front center */
272 SNDRV_CHMAP_TFR, /* top 272 SNDRV_CHMAP_TFR, /* top front right */
273 SNDRV_CHMAP_TRL, /* top 273 SNDRV_CHMAP_TRL, /* top back left */
274 SNDRV_CHMAP_TRC, /* top 274 SNDRV_CHMAP_TRC, /* top back center */
275 SNDRV_CHMAP_TRR, /* top 275 SNDRV_CHMAP_TRR, /* top back right */
276 SNDRV_CHMAP_TFLC, /* top 276 SNDRV_CHMAP_TFLC, /* top front left of center */
277 SNDRV_CHMAP_TFRC, /* top 277 SNDRV_CHMAP_TFRC, /* top front right of center */
278 SNDRV_CHMAP_LLFE, /* lef 278 SNDRV_CHMAP_LLFE, /* left LFE */
279 SNDRV_CHMAP_RLFE, /* rig 279 SNDRV_CHMAP_RLFE, /* right LFE */
280 SNDRV_CHMAP_TSL, /* top 280 SNDRV_CHMAP_TSL, /* top side left */
281 SNDRV_CHMAP_TSR, /* top 281 SNDRV_CHMAP_TSR, /* top side right */
282 SNDRV_CHMAP_BC, /* bot 282 SNDRV_CHMAP_BC, /* bottom center */
283 SNDRV_CHMAP_RLC, /* bac 283 SNDRV_CHMAP_RLC, /* back left of center */
284 SNDRV_CHMAP_RRC, /* bac 284 SNDRV_CHMAP_RRC, /* back right of center */
285 0 /* terminator */ 285 0 /* terminator */
286 }; 286 };
287 struct snd_pcm_chmap_elem *chmap; 287 struct snd_pcm_chmap_elem *chmap;
288 const unsigned int *maps; 288 const unsigned int *maps;
289 int c; 289 int c;
290 290
291 if (channels > ARRAY_SIZE(chmap->map)) 291 if (channels > ARRAY_SIZE(chmap->map))
292 return NULL; 292 return NULL;
293 293
294 chmap = kzalloc(sizeof(*chmap), GFP_KE 294 chmap = kzalloc(sizeof(*chmap), GFP_KERNEL);
295 if (!chmap) 295 if (!chmap)
296 return NULL; 296 return NULL;
297 297
298 maps = protocol == UAC_VERSION_2 ? uac 298 maps = protocol == UAC_VERSION_2 ? uac2_maps : uac1_maps;
299 chmap->channels = channels; 299 chmap->channels = channels;
300 c = 0; 300 c = 0;
301 301
302 if (bits) { 302 if (bits) {
303 for (; bits && *maps; maps++, !! 303 for (; bits && *maps; maps++, bits >>= 1)
304 if (bits & 1) 304 if (bits & 1)
305 chmap->map[c++ 305 chmap->map[c++] = *maps;
306 if (c == chmap->channe <<
307 break; <<
308 } <<
309 } else { 306 } else {
310 /* If we're missing wChannelCo 307 /* If we're missing wChannelConfig, then guess something
311 to make sure the channel m 308 to make sure the channel map is not skipped entirely */
312 if (channels == 1) 309 if (channels == 1)
313 chmap->map[c++] = SNDR 310 chmap->map[c++] = SNDRV_CHMAP_MONO;
314 else 311 else
315 for (; c < channels && 312 for (; c < channels && *maps; maps++)
316 chmap->map[c++ 313 chmap->map[c++] = *maps;
317 } 314 }
318 315
319 for (; c < channels; c++) 316 for (; c < channels; c++)
320 chmap->map[c] = SNDRV_CHMAP_UN 317 chmap->map[c] = SNDRV_CHMAP_UNKNOWN;
321 318
322 return chmap; 319 return chmap;
323 } 320 }
324 321
325 /* UAC3 device stores channels information in 322 /* UAC3 device stores channels information in Cluster Descriptors */
326 static struct 323 static struct
327 snd_pcm_chmap_elem *convert_chmap_v3(struct ua 324 snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor
328 325 *cluster)
329 { 326 {
330 unsigned int channels = cluster->bNrCh 327 unsigned int channels = cluster->bNrChannels;
331 struct snd_pcm_chmap_elem *chmap; 328 struct snd_pcm_chmap_elem *chmap;
332 void *p = cluster; 329 void *p = cluster;
333 int len, c; 330 int len, c;
334 331
335 if (channels > ARRAY_SIZE(chmap->map)) 332 if (channels > ARRAY_SIZE(chmap->map))
336 return NULL; 333 return NULL;
337 334
338 chmap = kzalloc(sizeof(*chmap), GFP_KE 335 chmap = kzalloc(sizeof(*chmap), GFP_KERNEL);
339 if (!chmap) 336 if (!chmap)
340 return NULL; 337 return NULL;
341 338
342 len = le16_to_cpu(cluster->wLength); 339 len = le16_to_cpu(cluster->wLength);
343 c = 0; 340 c = 0;
344 p += sizeof(struct uac3_cluster_header 341 p += sizeof(struct uac3_cluster_header_descriptor);
345 342
346 while (((p - (void *)cluster) < len) & 343 while (((p - (void *)cluster) < len) && (c < channels)) {
347 struct uac3_cluster_segment_de 344 struct uac3_cluster_segment_descriptor *cs_desc = p;
348 u16 cs_len; 345 u16 cs_len;
349 u8 cs_type; 346 u8 cs_type;
350 347
351 cs_len = le16_to_cpu(cs_desc-> 348 cs_len = le16_to_cpu(cs_desc->wLength);
352 cs_type = cs_desc->bSegmentTyp 349 cs_type = cs_desc->bSegmentType;
353 350
354 if (cs_type == UAC3_CHANNEL_IN 351 if (cs_type == UAC3_CHANNEL_INFORMATION) {
355 struct uac3_cluster_in 352 struct uac3_cluster_information_segment_descriptor *is = p;
356 unsigned char map; 353 unsigned char map;
357 354
358 /* 355 /*
359 * TODO: this conversi 356 * TODO: this conversion is not complete, update it
360 * after adding UAC3 v 357 * after adding UAC3 values to asound.h
361 */ 358 */
362 switch (is->bChRelatio 359 switch (is->bChRelationship) {
363 case UAC3_CH_MONO: 360 case UAC3_CH_MONO:
364 map = SNDRV_CH 361 map = SNDRV_CHMAP_MONO;
365 break; 362 break;
366 case UAC3_CH_LEFT: 363 case UAC3_CH_LEFT:
367 case UAC3_CH_FRONT_LEF 364 case UAC3_CH_FRONT_LEFT:
368 case UAC3_CH_HEADPHONE 365 case UAC3_CH_HEADPHONE_LEFT:
369 map = SNDRV_CH 366 map = SNDRV_CHMAP_FL;
370 break; 367 break;
371 case UAC3_CH_RIGHT: 368 case UAC3_CH_RIGHT:
372 case UAC3_CH_FRONT_RIG 369 case UAC3_CH_FRONT_RIGHT:
373 case UAC3_CH_HEADPHONE 370 case UAC3_CH_HEADPHONE_RIGHT:
374 map = SNDRV_CH 371 map = SNDRV_CHMAP_FR;
375 break; 372 break;
376 case UAC3_CH_FRONT_CEN 373 case UAC3_CH_FRONT_CENTER:
377 map = SNDRV_CH 374 map = SNDRV_CHMAP_FC;
378 break; 375 break;
379 case UAC3_CH_FRONT_LEF 376 case UAC3_CH_FRONT_LEFT_OF_CENTER:
380 map = SNDRV_CH 377 map = SNDRV_CHMAP_FLC;
381 break; 378 break;
382 case UAC3_CH_FRONT_RIG 379 case UAC3_CH_FRONT_RIGHT_OF_CENTER:
383 map = SNDRV_CH 380 map = SNDRV_CHMAP_FRC;
384 break; 381 break;
385 case UAC3_CH_SIDE_LEFT 382 case UAC3_CH_SIDE_LEFT:
386 map = SNDRV_CH 383 map = SNDRV_CHMAP_SL;
387 break; 384 break;
388 case UAC3_CH_SIDE_RIGH 385 case UAC3_CH_SIDE_RIGHT:
389 map = SNDRV_CH 386 map = SNDRV_CHMAP_SR;
390 break; 387 break;
391 case UAC3_CH_BACK_LEFT 388 case UAC3_CH_BACK_LEFT:
392 map = SNDRV_CH 389 map = SNDRV_CHMAP_RL;
393 break; 390 break;
394 case UAC3_CH_BACK_RIGH 391 case UAC3_CH_BACK_RIGHT:
395 map = SNDRV_CH 392 map = SNDRV_CHMAP_RR;
396 break; 393 break;
397 case UAC3_CH_BACK_CENT 394 case UAC3_CH_BACK_CENTER:
398 map = SNDRV_CH 395 map = SNDRV_CHMAP_RC;
399 break; 396 break;
400 case UAC3_CH_BACK_LEFT 397 case UAC3_CH_BACK_LEFT_OF_CENTER:
401 map = SNDRV_CH 398 map = SNDRV_CHMAP_RLC;
402 break; 399 break;
403 case UAC3_CH_BACK_RIGH 400 case UAC3_CH_BACK_RIGHT_OF_CENTER:
404 map = SNDRV_CH 401 map = SNDRV_CHMAP_RRC;
405 break; 402 break;
406 case UAC3_CH_TOP_CENTE 403 case UAC3_CH_TOP_CENTER:
407 map = SNDRV_CH 404 map = SNDRV_CHMAP_TC;
408 break; 405 break;
409 case UAC3_CH_TOP_FRONT 406 case UAC3_CH_TOP_FRONT_LEFT:
410 map = SNDRV_CH 407 map = SNDRV_CHMAP_TFL;
411 break; 408 break;
412 case UAC3_CH_TOP_FRONT 409 case UAC3_CH_TOP_FRONT_RIGHT:
413 map = SNDRV_CH 410 map = SNDRV_CHMAP_TFR;
414 break; 411 break;
415 case UAC3_CH_TOP_FRONT 412 case UAC3_CH_TOP_FRONT_CENTER:
416 map = SNDRV_CH 413 map = SNDRV_CHMAP_TFC;
417 break; 414 break;
418 case UAC3_CH_TOP_FRONT 415 case UAC3_CH_TOP_FRONT_LOC:
419 map = SNDRV_CH 416 map = SNDRV_CHMAP_TFLC;
420 break; 417 break;
421 case UAC3_CH_TOP_FRONT 418 case UAC3_CH_TOP_FRONT_ROC:
422 map = SNDRV_CH 419 map = SNDRV_CHMAP_TFRC;
423 break; 420 break;
424 case UAC3_CH_TOP_SIDE_ 421 case UAC3_CH_TOP_SIDE_LEFT:
425 map = SNDRV_CH 422 map = SNDRV_CHMAP_TSL;
426 break; 423 break;
427 case UAC3_CH_TOP_SIDE_ 424 case UAC3_CH_TOP_SIDE_RIGHT:
428 map = SNDRV_CH 425 map = SNDRV_CHMAP_TSR;
429 break; 426 break;
430 case UAC3_CH_TOP_BACK_ 427 case UAC3_CH_TOP_BACK_LEFT:
431 map = SNDRV_CH 428 map = SNDRV_CHMAP_TRL;
432 break; 429 break;
433 case UAC3_CH_TOP_BACK_ 430 case UAC3_CH_TOP_BACK_RIGHT:
434 map = SNDRV_CH 431 map = SNDRV_CHMAP_TRR;
435 break; 432 break;
436 case UAC3_CH_TOP_BACK_ 433 case UAC3_CH_TOP_BACK_CENTER:
437 map = SNDRV_CH 434 map = SNDRV_CHMAP_TRC;
438 break; 435 break;
439 case UAC3_CH_BOTTOM_CE 436 case UAC3_CH_BOTTOM_CENTER:
440 map = SNDRV_CH 437 map = SNDRV_CHMAP_BC;
441 break; 438 break;
442 case UAC3_CH_LOW_FREQU 439 case UAC3_CH_LOW_FREQUENCY_EFFECTS:
443 map = SNDRV_CH 440 map = SNDRV_CHMAP_LFE;
444 break; 441 break;
445 case UAC3_CH_LFE_LEFT: 442 case UAC3_CH_LFE_LEFT:
446 map = SNDRV_CH 443 map = SNDRV_CHMAP_LLFE;
447 break; 444 break;
448 case UAC3_CH_LFE_RIGHT 445 case UAC3_CH_LFE_RIGHT:
449 map = SNDRV_CH 446 map = SNDRV_CHMAP_RLFE;
450 break; 447 break;
451 case UAC3_CH_RELATIONS 448 case UAC3_CH_RELATIONSHIP_UNDEFINED:
452 default: 449 default:
453 map = SNDRV_CH 450 map = SNDRV_CHMAP_UNKNOWN;
454 break; 451 break;
455 } 452 }
456 chmap->map[c++] = map; 453 chmap->map[c++] = map;
457 } 454 }
458 p += cs_len; 455 p += cs_len;
459 } 456 }
460 457
461 if (channels < c) 458 if (channels < c)
462 pr_err("%s: channel number mis 459 pr_err("%s: channel number mismatch\n", __func__);
463 460
464 chmap->channels = channels; 461 chmap->channels = channels;
465 462
466 for (; c < channels; c++) 463 for (; c < channels; c++)
467 chmap->map[c] = SNDRV_CHMAP_UN 464 chmap->map[c] = SNDRV_CHMAP_UNKNOWN;
468 465
469 return chmap; 466 return chmap;
470 } 467 }
471 468
472 /* 469 /*
473 * add this endpoint to the chip instance. 470 * add this endpoint to the chip instance.
474 * if a stream with the same endpoint already 471 * if a stream with the same endpoint already exists, append to it.
475 * if not, create a new pcm stream. note, fp i 472 * if not, create a new pcm stream. note, fp is added to the substream
476 * fmt_list and will be freed on the chip inst 473 * fmt_list and will be freed on the chip instance release. do not free
477 * fp or do remove it from the substream fmt_l 474 * fp or do remove it from the substream fmt_list to avoid double-free.
478 */ 475 */
479 static int __snd_usb_add_audio_stream(struct s 476 static int __snd_usb_add_audio_stream(struct snd_usb_audio *chip,
480 int stre 477 int stream,
481 struct a 478 struct audioformat *fp,
482 struct s 479 struct snd_usb_power_domain *pd)
483 480
484 { 481 {
485 struct snd_usb_stream *as; 482 struct snd_usb_stream *as;
486 struct snd_usb_substream *subs; 483 struct snd_usb_substream *subs;
487 struct snd_pcm *pcm; 484 struct snd_pcm *pcm;
488 int err; 485 int err;
489 486
490 list_for_each_entry(as, &chip->pcm_lis 487 list_for_each_entry(as, &chip->pcm_list, list) {
491 if (as->fmt_type != fp->fmt_ty 488 if (as->fmt_type != fp->fmt_type)
492 continue; 489 continue;
493 subs = &as->substream[stream]; 490 subs = &as->substream[stream];
494 if (subs->ep_num == fp->endpoi 491 if (subs->ep_num == fp->endpoint) {
495 list_add_tail(&fp->lis 492 list_add_tail(&fp->list, &subs->fmt_list);
496 subs->num_formats++; 493 subs->num_formats++;
497 subs->formats |= fp->f 494 subs->formats |= fp->formats;
498 return 0; 495 return 0;
499 } 496 }
500 } 497 }
501 <<
502 if (chip->card->registered) <<
503 chip->need_delayed_register = <<
504 <<
505 /* look for an empty stream */ 498 /* look for an empty stream */
506 list_for_each_entry(as, &chip->pcm_lis 499 list_for_each_entry(as, &chip->pcm_list, list) {
507 if (as->fmt_type != fp->fmt_ty 500 if (as->fmt_type != fp->fmt_type)
508 continue; 501 continue;
509 subs = &as->substream[stream]; 502 subs = &as->substream[stream];
510 if (subs->ep_num) 503 if (subs->ep_num)
511 continue; 504 continue;
512 err = snd_pcm_new_stream(as->p 505 err = snd_pcm_new_stream(as->pcm, stream, 1);
513 if (err < 0) 506 if (err < 0)
514 return err; 507 return err;
515 snd_usb_init_substream(as, str 508 snd_usb_init_substream(as, stream, fp, pd);
516 return add_chmap(as->pcm, stre 509 return add_chmap(as->pcm, stream, subs);
517 } 510 }
518 511
519 /* create a new pcm */ 512 /* create a new pcm */
520 as = kzalloc(sizeof(*as), GFP_KERNEL); 513 as = kzalloc(sizeof(*as), GFP_KERNEL);
521 if (!as) 514 if (!as)
522 return -ENOMEM; 515 return -ENOMEM;
523 as->pcm_index = chip->pcm_devs; 516 as->pcm_index = chip->pcm_devs;
524 as->chip = chip; 517 as->chip = chip;
525 as->fmt_type = fp->fmt_type; 518 as->fmt_type = fp->fmt_type;
526 err = snd_pcm_new(chip->card, "USB Aud 519 err = snd_pcm_new(chip->card, "USB Audio", chip->pcm_devs,
527 stream == SNDRV_PCM_ 520 stream == SNDRV_PCM_STREAM_PLAYBACK ? 1 : 0,
528 stream == SNDRV_PCM_ 521 stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1,
529 &pcm); 522 &pcm);
530 if (err < 0) { 523 if (err < 0) {
531 kfree(as); 524 kfree(as);
532 return err; 525 return err;
533 } 526 }
534 as->pcm = pcm; 527 as->pcm = pcm;
535 pcm->private_data = as; 528 pcm->private_data = as;
536 pcm->private_free = snd_usb_audio_pcm_ 529 pcm->private_free = snd_usb_audio_pcm_free;
537 pcm->info_flags = 0; 530 pcm->info_flags = 0;
538 if (chip->pcm_devs > 0) 531 if (chip->pcm_devs > 0)
539 sprintf(pcm->name, "USB Audio 532 sprintf(pcm->name, "USB Audio #%d", chip->pcm_devs);
540 else 533 else
541 strcpy(pcm->name, "USB Audio") 534 strcpy(pcm->name, "USB Audio");
542 535
543 snd_usb_init_substream(as, stream, fp, 536 snd_usb_init_substream(as, stream, fp, pd);
544 537
545 /* 538 /*
546 * Keep using head insertion for M-Aud 539 * Keep using head insertion for M-Audio Audiophile USB (tm) which has a
547 * fix to swap capture stream order in 540 * fix to swap capture stream order in conf/cards/USB-audio.conf
548 */ 541 */
549 if (chip->usb_id == USB_ID(0x0763, 0x2 542 if (chip->usb_id == USB_ID(0x0763, 0x2003))
550 list_add(&as->list, &chip->pcm 543 list_add(&as->list, &chip->pcm_list);
551 else 544 else
552 list_add_tail(&as->list, &chip 545 list_add_tail(&as->list, &chip->pcm_list);
553 546
554 chip->pcm_devs++; 547 chip->pcm_devs++;
555 548
556 snd_usb_proc_pcm_format_add(as); 549 snd_usb_proc_pcm_format_add(as);
557 550
558 return add_chmap(pcm, stream, &as->sub 551 return add_chmap(pcm, stream, &as->substream[stream]);
559 } 552 }
560 553
561 int snd_usb_add_audio_stream(struct snd_usb_au 554 int snd_usb_add_audio_stream(struct snd_usb_audio *chip,
562 int stream, 555 int stream,
563 struct audioforma 556 struct audioformat *fp)
564 { 557 {
565 return __snd_usb_add_audio_stream(chip 558 return __snd_usb_add_audio_stream(chip, stream, fp, NULL);
566 } 559 }
567 560
568 static int snd_usb_add_audio_stream_v3(struct 561 static int snd_usb_add_audio_stream_v3(struct snd_usb_audio *chip,
569 int str 562 int stream,
570 struct 563 struct audioformat *fp,
571 struct 564 struct snd_usb_power_domain *pd)
572 { 565 {
573 return __snd_usb_add_audio_stream(chip 566 return __snd_usb_add_audio_stream(chip, stream, fp, pd);
574 } 567 }
575 568
576 static int parse_uac_endpoint_attributes(struc 569 static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip,
577 struc 570 struct usb_host_interface *alts,
578 int p 571 int protocol, int iface_no)
579 { 572 {
580 /* parsed with a v1 header here. that' 573 /* parsed with a v1 header here. that's ok as we only look at the
581 * header first which is the same for 574 * header first which is the same for both versions */
582 struct uac_iso_endpoint_descriptor *cs 575 struct uac_iso_endpoint_descriptor *csep;
583 struct usb_interface_descriptor *altsd 576 struct usb_interface_descriptor *altsd = get_iface_desc(alts);
584 int attributes = 0; 577 int attributes = 0;
585 578
586 csep = snd_usb_find_desc(alts->endpoin 579 csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT);
587 580
588 /* Creamware Noah has this descriptor 581 /* Creamware Noah has this descriptor after the 2nd endpoint */
589 if (!csep && altsd->bNumEndpoints >= 2 582 if (!csep && altsd->bNumEndpoints >= 2)
590 csep = snd_usb_find_desc(alts- 583 csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);
591 584
592 /* 585 /*
593 * If we can't locate the USB_DT_CS_EN 586 * If we can't locate the USB_DT_CS_ENDPOINT descriptor in the extra
594 * bytes after the first endpoint, go 587 * bytes after the first endpoint, go search the entire interface.
595 * Some devices have it directly *befo 588 * Some devices have it directly *before* the standard endpoint.
596 */ 589 */
597 if (!csep) 590 if (!csep)
598 csep = snd_usb_find_desc(alts- 591 csep = snd_usb_find_desc(alts->extra, alts->extralen, NULL, USB_DT_CS_ENDPOINT);
599 592
600 if (!csep || csep->bLength < 7 || 593 if (!csep || csep->bLength < 7 ||
601 csep->bDescriptorSubtype != UAC_EP 594 csep->bDescriptorSubtype != UAC_EP_GENERAL)
602 goto error; 595 goto error;
603 596
604 if (protocol == UAC_VERSION_1) { 597 if (protocol == UAC_VERSION_1) {
605 attributes = csep->bmAttribute 598 attributes = csep->bmAttributes;
606 } else if (protocol == UAC_VERSION_2) 599 } else if (protocol == UAC_VERSION_2) {
607 struct uac2_iso_endpoint_descr 600 struct uac2_iso_endpoint_descriptor *csep2 =
608 (struct uac2_iso_endpo 601 (struct uac2_iso_endpoint_descriptor *) csep;
609 602
610 if (csep2->bLength < sizeof(*c 603 if (csep2->bLength < sizeof(*csep2))
611 goto error; 604 goto error;
612 attributes = csep->bmAttribute 605 attributes = csep->bmAttributes & UAC_EP_CS_ATTR_FILL_MAX;
613 606
614 /* emulate the endpoint attrib 607 /* emulate the endpoint attributes of a v1 device */
615 if (csep2->bmControls & UAC2_C 608 if (csep2->bmControls & UAC2_CONTROL_PITCH)
616 attributes |= UAC_EP_C 609 attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
617 } else { /* UAC_VERSION_3 */ 610 } else { /* UAC_VERSION_3 */
618 struct uac3_iso_endpoint_descr 611 struct uac3_iso_endpoint_descriptor *csep3 =
619 (struct uac3_iso_endpo 612 (struct uac3_iso_endpoint_descriptor *) csep;
620 613
621 if (csep3->bLength < sizeof(*c 614 if (csep3->bLength < sizeof(*csep3))
622 goto error; 615 goto error;
623 /* emulate the endpoint attrib 616 /* emulate the endpoint attributes of a v1 device */
624 if (le32_to_cpu(csep3->bmContr 617 if (le32_to_cpu(csep3->bmControls) & UAC2_CONTROL_PITCH)
625 attributes |= UAC_EP_C 618 attributes |= UAC_EP_CS_ATTR_PITCH_CONTROL;
626 } 619 }
627 620
628 return attributes; 621 return attributes;
629 622
630 error: 623 error:
631 usb_audio_warn(chip, 624 usb_audio_warn(chip,
632 "%u:%d : no or invalid 625 "%u:%d : no or invalid class specific endpoint descriptor\n",
633 iface_no, altsd->bAlter 626 iface_no, altsd->bAlternateSetting);
634 return 0; 627 return 0;
635 } 628 }
636 629
637 /* find an input terminal descriptor (either U 630 /* find an input terminal descriptor (either UAC1 or UAC2) with the given
638 * terminal id 631 * terminal id
639 */ 632 */
640 static void * 633 static void *
641 snd_usb_find_input_terminal_descriptor(struct 634 snd_usb_find_input_terminal_descriptor(struct usb_host_interface *ctrl_iface,
642 int ter 635 int terminal_id, int protocol)
643 { 636 {
644 struct uac2_input_terminal_descriptor 637 struct uac2_input_terminal_descriptor *term = NULL;
645 638
646 while ((term = snd_usb_find_csint_desc 639 while ((term = snd_usb_find_csint_desc(ctrl_iface->extra,
647 640 ctrl_iface->extralen,
648 641 term, UAC_INPUT_TERMINAL))) {
649 if (!snd_usb_validate_audio_de 642 if (!snd_usb_validate_audio_desc(term, protocol))
650 continue; 643 continue;
651 if (term->bTerminalID == termi 644 if (term->bTerminalID == terminal_id)
652 return term; 645 return term;
653 } 646 }
654 647
655 return NULL; 648 return NULL;
656 } 649 }
657 650
658 static void * 651 static void *
659 snd_usb_find_output_terminal_descriptor(struct 652 snd_usb_find_output_terminal_descriptor(struct usb_host_interface *ctrl_iface,
660 int te 653 int terminal_id, int protocol)
661 { 654 {
662 /* OK to use with both UAC2 and UAC3 * 655 /* OK to use with both UAC2 and UAC3 */
663 struct uac2_output_terminal_descriptor 656 struct uac2_output_terminal_descriptor *term = NULL;
664 657
665 while ((term = snd_usb_find_csint_desc 658 while ((term = snd_usb_find_csint_desc(ctrl_iface->extra,
666 659 ctrl_iface->extralen,
667 660 term, UAC_OUTPUT_TERMINAL))) {
668 if (!snd_usb_validate_audio_de 661 if (!snd_usb_validate_audio_desc(term, protocol))
669 continue; 662 continue;
670 if (term->bTerminalID == termi 663 if (term->bTerminalID == terminal_id)
671 return term; 664 return term;
672 } 665 }
673 666
674 return NULL; 667 return NULL;
675 } 668 }
676 669
677 static struct audioformat * 670 static struct audioformat *
678 audio_format_alloc_init(struct snd_usb_audio * 671 audio_format_alloc_init(struct snd_usb_audio *chip,
679 struct usb_host_interfa 672 struct usb_host_interface *alts,
680 int protocol, int iface 673 int protocol, int iface_no, int altset_idx,
681 int altno, int num_chan 674 int altno, int num_channels, int clock)
682 { 675 {
683 struct audioformat *fp; 676 struct audioformat *fp;
684 677
685 fp = kzalloc(sizeof(*fp), GFP_KERNEL); 678 fp = kzalloc(sizeof(*fp), GFP_KERNEL);
686 if (!fp) 679 if (!fp)
687 return NULL; 680 return NULL;
688 681
689 fp->iface = iface_no; 682 fp->iface = iface_no;
690 fp->altsetting = altno; 683 fp->altsetting = altno;
691 fp->altset_idx = altset_idx; 684 fp->altset_idx = altset_idx;
692 fp->endpoint = get_endpoint(alts, 0)-> 685 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
693 fp->ep_attr = get_endpoint(alts, 0)->b 686 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
694 fp->datainterval = snd_usb_parse_datai 687 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
695 fp->protocol = protocol; 688 fp->protocol = protocol;
696 fp->maxpacksize = le16_to_cpu(get_endp 689 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
697 fp->channels = num_channels; 690 fp->channels = num_channels;
698 if (snd_usb_get_speed(chip->dev) == US 691 if (snd_usb_get_speed(chip->dev) == USB_SPEED_HIGH)
699 fp->maxpacksize = (((fp->maxpa 692 fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)
700 * (fp->maxpack 693 * (fp->maxpacksize & 0x7ff);
701 fp->clock = clock; 694 fp->clock = clock;
702 INIT_LIST_HEAD(&fp->list); 695 INIT_LIST_HEAD(&fp->list);
703 696
704 return fp; 697 return fp;
705 } 698 }
706 699
707 static struct audioformat * 700 static struct audioformat *
708 snd_usb_get_audioformat_uac12(struct snd_usb_a 701 snd_usb_get_audioformat_uac12(struct snd_usb_audio *chip,
709 struct usb_host_ 702 struct usb_host_interface *alts,
710 int protocol, in 703 int protocol, int iface_no, int altset_idx,
711 int altno, int s 704 int altno, int stream, int bm_quirk)
712 { 705 {
713 struct usb_device *dev = chip->dev; 706 struct usb_device *dev = chip->dev;
714 struct uac_format_type_i_continuous_de 707 struct uac_format_type_i_continuous_descriptor *fmt;
715 unsigned int num_channels = 0, chconfi 708 unsigned int num_channels = 0, chconfig = 0;
716 struct usb_host_interface *ctrl_intf; <<
717 struct audioformat *fp; 709 struct audioformat *fp;
718 int clock = 0; 710 int clock = 0;
719 u64 format; 711 u64 format;
720 712
721 ctrl_intf = snd_usb_find_ctrl_interfac <<
722 <<
723 /* get audio formats */ 713 /* get audio formats */
724 if (protocol == UAC_VERSION_1) { 714 if (protocol == UAC_VERSION_1) {
725 struct uac1_as_header_descript 715 struct uac1_as_header_descriptor *as =
726 snd_usb_find_csint_des 716 snd_usb_find_csint_desc(alts->extra, alts->extralen,
727 717 NULL, UAC_AS_GENERAL);
728 struct uac_input_terminal_desc 718 struct uac_input_terminal_descriptor *iterm;
729 719
730 if (!as) { 720 if (!as) {
731 dev_err(&dev->dev, 721 dev_err(&dev->dev,
732 "%u:%d : UAC_A 722 "%u:%d : UAC_AS_GENERAL descriptor not found\n",
733 iface_no, altn 723 iface_no, altno);
734 return NULL; 724 return NULL;
735 } 725 }
736 726
737 if (as->bLength < sizeof(*as)) 727 if (as->bLength < sizeof(*as)) {
738 dev_err(&dev->dev, 728 dev_err(&dev->dev,
739 "%u:%d : inval 729 "%u:%d : invalid UAC_AS_GENERAL desc\n",
740 iface_no, altn 730 iface_no, altno);
741 return NULL; 731 return NULL;
742 } 732 }
743 733
744 format = le16_to_cpu(as->wForm 734 format = le16_to_cpu(as->wFormatTag); /* remember the format value */
745 735
746 iterm = snd_usb_find_input_ter !! 736 iterm = snd_usb_find_input_terminal_descriptor(chip->ctrl_intf,
747 737 as->bTerminalLink,
748 738 protocol);
749 if (iterm) { 739 if (iterm) {
750 num_channels = iterm-> 740 num_channels = iterm->bNrChannels;
751 chconfig = le16_to_cpu 741 chconfig = le16_to_cpu(iterm->wChannelConfig);
752 } 742 }
753 } else { /* UAC_VERSION_2 */ 743 } else { /* UAC_VERSION_2 */
754 struct uac2_input_terminal_des 744 struct uac2_input_terminal_descriptor *input_term;
755 struct uac2_output_terminal_de 745 struct uac2_output_terminal_descriptor *output_term;
756 struct uac2_as_header_descript 746 struct uac2_as_header_descriptor *as =
757 snd_usb_find_csint_des 747 snd_usb_find_csint_desc(alts->extra, alts->extralen,
758 748 NULL, UAC_AS_GENERAL);
759 749
760 if (!as) { 750 if (!as) {
761 dev_err(&dev->dev, 751 dev_err(&dev->dev,
762 "%u:%d : UAC_A 752 "%u:%d : UAC_AS_GENERAL descriptor not found\n",
763 iface_no, altn 753 iface_no, altno);
764 return NULL; 754 return NULL;
765 } 755 }
766 756
767 if (as->bLength < sizeof(*as)) 757 if (as->bLength < sizeof(*as)) {
768 dev_err(&dev->dev, 758 dev_err(&dev->dev,
769 "%u:%d : inval 759 "%u:%d : invalid UAC_AS_GENERAL desc\n",
770 iface_no, altn 760 iface_no, altno);
771 return NULL; 761 return NULL;
772 } 762 }
773 763
774 num_channels = as->bNrChannels 764 num_channels = as->bNrChannels;
775 format = le32_to_cpu(as->bmFor 765 format = le32_to_cpu(as->bmFormats);
776 chconfig = le32_to_cpu(as->bmC 766 chconfig = le32_to_cpu(as->bmChannelConfig);
777 767
778 /* 768 /*
779 * lookup the terminal associa 769 * lookup the terminal associated to this interface
780 * to extract the clock 770 * to extract the clock
781 */ 771 */
782 input_term = snd_usb_find_inpu !! 772 input_term = snd_usb_find_input_terminal_descriptor(chip->ctrl_intf,
783 773 as->bTerminalLink,
784 774 protocol);
785 if (input_term) { 775 if (input_term) {
786 clock = input_term->bC 776 clock = input_term->bCSourceID;
787 if (!chconfig && (num_ 777 if (!chconfig && (num_channels == input_term->bNrChannels))
788 chconfig = le3 778 chconfig = le32_to_cpu(input_term->bmChannelConfig);
789 goto found_clock; 779 goto found_clock;
790 } 780 }
791 781
792 output_term = snd_usb_find_out !! 782 output_term = snd_usb_find_output_terminal_descriptor(chip->ctrl_intf,
793 783 as->bTerminalLink,
794 784 protocol);
795 if (output_term) { 785 if (output_term) {
796 clock = output_term->b 786 clock = output_term->bCSourceID;
797 goto found_clock; 787 goto found_clock;
798 } 788 }
799 789
800 dev_err(&dev->dev, 790 dev_err(&dev->dev,
801 "%u:%d : bogus bTermin 791 "%u:%d : bogus bTerminalLink %d\n",
802 iface_no, altno, as->b 792 iface_no, altno, as->bTerminalLink);
803 return NULL; 793 return NULL;
804 } 794 }
805 795
806 found_clock: 796 found_clock:
807 /* get format type */ 797 /* get format type */
808 fmt = snd_usb_find_csint_desc(alts->ex 798 fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen,
809 NULL, UA 799 NULL, UAC_FORMAT_TYPE);
810 if (!fmt) { 800 if (!fmt) {
811 dev_err(&dev->dev, 801 dev_err(&dev->dev,
812 "%u:%d : no UAC_FORMAT 802 "%u:%d : no UAC_FORMAT_TYPE desc\n",
813 iface_no, altno); 803 iface_no, altno);
814 return NULL; 804 return NULL;
815 } 805 }
816 if (((protocol == UAC_VERSION_1) && (f 806 if (((protocol == UAC_VERSION_1) && (fmt->bLength < 8))
817 || ((protocol == UAC_V 807 || ((protocol == UAC_VERSION_2) &&
818 (fmt-> 808 (fmt->bLength < 6))) {
819 dev_err(&dev->dev, 809 dev_err(&dev->dev,
820 "%u:%d : invalid UAC_F 810 "%u:%d : invalid UAC_FORMAT_TYPE desc\n",
821 iface_no, altno); 811 iface_no, altno);
822 return NULL; 812 return NULL;
823 } 813 }
824 814
825 /* 815 /*
826 * Blue Microphones workaround: The la 816 * Blue Microphones workaround: The last altsetting is
827 * identical with the previous one, ex 817 * identical with the previous one, except for a larger
828 * packet size, but is actually a misl 818 * packet size, but is actually a mislabeled two-channel
829 * setting; ignore it. 819 * setting; ignore it.
830 * 820 *
831 * Part 2: analyze quirk flag and form 821 * Part 2: analyze quirk flag and format
832 */ 822 */
833 if (bm_quirk && fmt->bNrChannels == 1 823 if (bm_quirk && fmt->bNrChannels == 1 && fmt->bSubframeSize == 2)
834 return NULL; 824 return NULL;
835 825
836 fp = audio_format_alloc_init(chip, alt 826 fp = audio_format_alloc_init(chip, alts, protocol, iface_no,
837 altset_id 827 altset_idx, altno, num_channels, clock);
838 if (!fp) 828 if (!fp)
839 return ERR_PTR(-ENOMEM); 829 return ERR_PTR(-ENOMEM);
840 830
841 fp->attributes = parse_uac_endpoint_at 831 fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol,
842 832 iface_no);
843 833
844 /* some quirks for attributes here */ 834 /* some quirks for attributes here */
845 snd_usb_audioformat_attributes_quirk(c 835 snd_usb_audioformat_attributes_quirk(chip, fp, stream);
846 836
847 /* ok, let's parse further... */ 837 /* ok, let's parse further... */
848 if (snd_usb_parse_audio_format(chip, f 838 if (snd_usb_parse_audio_format(chip, fp, format,
849 fmt, s 839 fmt, stream) < 0) {
850 audioformat_free(fp); 840 audioformat_free(fp);
851 return NULL; 841 return NULL;
852 } 842 }
853 843
854 /* Create chmap */ 844 /* Create chmap */
855 if (fp->channels != num_channels) 845 if (fp->channels != num_channels)
856 chconfig = 0; 846 chconfig = 0;
857 847
858 fp->chmap = convert_chmap(fp->channels 848 fp->chmap = convert_chmap(fp->channels, chconfig, protocol);
859 849
860 return fp; 850 return fp;
861 } 851 }
862 852
863 static struct audioformat * 853 static struct audioformat *
864 snd_usb_get_audioformat_uac3(struct snd_usb_au 854 snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip,
865 struct usb_host_i 855 struct usb_host_interface *alts,
866 struct snd_usb_po 856 struct snd_usb_power_domain **pd_out,
867 int iface_no, int 857 int iface_no, int altset_idx,
868 int altno, int st 858 int altno, int stream)
869 { 859 {
870 struct usb_device *dev = chip->dev; 860 struct usb_device *dev = chip->dev;
871 struct uac3_input_terminal_descriptor 861 struct uac3_input_terminal_descriptor *input_term;
872 struct uac3_output_terminal_descriptor 862 struct uac3_output_terminal_descriptor *output_term;
873 struct uac3_cluster_header_descriptor 863 struct uac3_cluster_header_descriptor *cluster;
874 struct uac3_as_header_descriptor *as = 864 struct uac3_as_header_descriptor *as = NULL;
875 struct uac3_hc_descriptor_header hc_he 865 struct uac3_hc_descriptor_header hc_header;
876 struct usb_host_interface *ctrl_intf; <<
877 struct snd_pcm_chmap_elem *chmap; 866 struct snd_pcm_chmap_elem *chmap;
878 struct snd_usb_power_domain *pd; 867 struct snd_usb_power_domain *pd;
879 unsigned char badd_profile; 868 unsigned char badd_profile;
880 u64 badd_formats = 0; 869 u64 badd_formats = 0;
881 unsigned int num_channels; 870 unsigned int num_channels;
882 struct audioformat *fp; 871 struct audioformat *fp;
883 u16 cluster_id, wLength; 872 u16 cluster_id, wLength;
884 int clock = 0; 873 int clock = 0;
885 int err; 874 int err;
886 875
887 badd_profile = chip->badd_profile; 876 badd_profile = chip->badd_profile;
888 ctrl_intf = snd_usb_find_ctrl_interfac <<
889 877
890 if (badd_profile >= UAC3_FUNCTION_SUBC 878 if (badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) {
891 unsigned int maxpacksize = 879 unsigned int maxpacksize =
892 le16_to_cpu(get_endpoi 880 le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
893 881
894 switch (maxpacksize) { 882 switch (maxpacksize) {
895 default: 883 default:
896 dev_err(&dev->dev, 884 dev_err(&dev->dev,
897 "%u:%d : incor 885 "%u:%d : incorrect wMaxPacketSize for BADD profile\n",
898 iface_no, altn 886 iface_no, altno);
899 return NULL; 887 return NULL;
900 case UAC3_BADD_EP_MAXPSIZE_SYN 888 case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_16:
901 case UAC3_BADD_EP_MAXPSIZE_ASY 889 case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_16:
902 badd_formats = SNDRV_P 890 badd_formats = SNDRV_PCM_FMTBIT_S16_LE;
903 num_channels = 1; 891 num_channels = 1;
904 break; 892 break;
905 case UAC3_BADD_EP_MAXPSIZE_SYN 893 case UAC3_BADD_EP_MAXPSIZE_SYNC_MONO_24:
906 case UAC3_BADD_EP_MAXPSIZE_ASY 894 case UAC3_BADD_EP_MAXPSIZE_ASYNC_MONO_24:
907 badd_formats = SNDRV_P 895 badd_formats = SNDRV_PCM_FMTBIT_S24_3LE;
908 num_channels = 1; 896 num_channels = 1;
909 break; 897 break;
910 case UAC3_BADD_EP_MAXPSIZE_SYN 898 case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_16:
911 case UAC3_BADD_EP_MAXPSIZE_ASY 899 case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_16:
912 badd_formats = SNDRV_P 900 badd_formats = SNDRV_PCM_FMTBIT_S16_LE;
913 num_channels = 2; 901 num_channels = 2;
914 break; 902 break;
915 case UAC3_BADD_EP_MAXPSIZE_SYN 903 case UAC3_BADD_EP_MAXPSIZE_SYNC_STEREO_24:
916 case UAC3_BADD_EP_MAXPSIZE_ASY 904 case UAC3_BADD_EP_MAXPSIZE_ASYNC_STEREO_24:
917 badd_formats = SNDRV_P 905 badd_formats = SNDRV_PCM_FMTBIT_S24_3LE;
918 num_channels = 2; 906 num_channels = 2;
919 break; 907 break;
920 } 908 }
921 909
922 chmap = kzalloc(sizeof(*chmap) 910 chmap = kzalloc(sizeof(*chmap), GFP_KERNEL);
923 if (!chmap) 911 if (!chmap)
924 return ERR_PTR(-ENOMEM 912 return ERR_PTR(-ENOMEM);
925 913
926 if (num_channels == 1) { 914 if (num_channels == 1) {
927 chmap->map[0] = SNDRV_ 915 chmap->map[0] = SNDRV_CHMAP_MONO;
928 } else { 916 } else {
929 chmap->map[0] = SNDRV_ 917 chmap->map[0] = SNDRV_CHMAP_FL;
930 chmap->map[1] = SNDRV_ 918 chmap->map[1] = SNDRV_CHMAP_FR;
931 } 919 }
932 920
933 chmap->channels = num_channels 921 chmap->channels = num_channels;
934 clock = UAC3_BADD_CS_ID9; 922 clock = UAC3_BADD_CS_ID9;
935 goto found_clock; 923 goto found_clock;
936 } 924 }
937 925
938 as = snd_usb_find_csint_desc(alts->ext 926 as = snd_usb_find_csint_desc(alts->extra, alts->extralen,
939 NULL, UAC 927 NULL, UAC_AS_GENERAL);
940 if (!as) { 928 if (!as) {
941 dev_err(&dev->dev, 929 dev_err(&dev->dev,
942 "%u:%d : UAC_AS_GENERA 930 "%u:%d : UAC_AS_GENERAL descriptor not found\n",
943 iface_no, altno); 931 iface_no, altno);
944 return NULL; 932 return NULL;
945 } 933 }
946 934
947 if (as->bLength < sizeof(*as)) { 935 if (as->bLength < sizeof(*as)) {
948 dev_err(&dev->dev, 936 dev_err(&dev->dev,
949 "%u:%d : invalid UAC_A 937 "%u:%d : invalid UAC_AS_GENERAL desc\n",
950 iface_no, altno); 938 iface_no, altno);
951 return NULL; 939 return NULL;
952 } 940 }
953 941
954 cluster_id = le16_to_cpu(as->wClusterD 942 cluster_id = le16_to_cpu(as->wClusterDescrID);
955 if (!cluster_id) { 943 if (!cluster_id) {
956 dev_err(&dev->dev, 944 dev_err(&dev->dev,
957 "%u:%d : no cluster de 945 "%u:%d : no cluster descriptor\n",
958 iface_no, altno); 946 iface_no, altno);
959 return NULL; 947 return NULL;
960 } 948 }
961 949
962 /* 950 /*
963 * Get number of channels and channel 951 * Get number of channels and channel map through
964 * High Capability Cluster Descriptor 952 * High Capability Cluster Descriptor
965 * 953 *
966 * First step: get High Capability hea 954 * First step: get High Capability header and
967 * read size of Cluster Descriptor 955 * read size of Cluster Descriptor
968 */ 956 */
969 err = snd_usb_ctl_msg(chip->dev, 957 err = snd_usb_ctl_msg(chip->dev,
970 usb_rcvctrlpipe(chip-> 958 usb_rcvctrlpipe(chip->dev, 0),
971 UAC3_CS_REQ_HIGH_CAPAB 959 UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR,
972 USB_RECIP_INTERFACE | 960 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
973 cluster_id, 961 cluster_id,
974 snd_usb_ctrl_intf(ctrl !! 962 snd_usb_ctrl_intf(chip),
975 &hc_header, sizeof(hc_ 963 &hc_header, sizeof(hc_header));
976 if (err < 0) 964 if (err < 0)
977 return ERR_PTR(err); 965 return ERR_PTR(err);
978 else if (err != sizeof(hc_header)) { 966 else if (err != sizeof(hc_header)) {
979 dev_err(&dev->dev, 967 dev_err(&dev->dev,
980 "%u:%d : can't get Hig 968 "%u:%d : can't get High Capability descriptor\n",
981 iface_no, altno); 969 iface_no, altno);
982 return ERR_PTR(-EIO); 970 return ERR_PTR(-EIO);
983 } 971 }
984 972
985 /* 973 /*
986 * Second step: allocate needed amount 974 * Second step: allocate needed amount of memory
987 * and request Cluster Descriptor 975 * and request Cluster Descriptor
988 */ 976 */
989 wLength = le16_to_cpu(hc_header.wLengt 977 wLength = le16_to_cpu(hc_header.wLength);
990 cluster = kzalloc(wLength, GFP_KERNEL) 978 cluster = kzalloc(wLength, GFP_KERNEL);
991 if (!cluster) 979 if (!cluster)
992 return ERR_PTR(-ENOMEM); 980 return ERR_PTR(-ENOMEM);
993 err = snd_usb_ctl_msg(chip->dev, 981 err = snd_usb_ctl_msg(chip->dev,
994 usb_rcvctrlpipe(chip-> 982 usb_rcvctrlpipe(chip->dev, 0),
995 UAC3_CS_REQ_HIGH_CAPAB 983 UAC3_CS_REQ_HIGH_CAPABILITY_DESCRIPTOR,
996 USB_RECIP_INTERFACE | 984 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
997 cluster_id, 985 cluster_id,
998 snd_usb_ctrl_intf(ctrl !! 986 snd_usb_ctrl_intf(chip),
999 cluster, wLength); 987 cluster, wLength);
1000 if (err < 0) { 988 if (err < 0) {
1001 kfree(cluster); 989 kfree(cluster);
1002 return ERR_PTR(err); 990 return ERR_PTR(err);
1003 } else if (err != wLength) { 991 } else if (err != wLength) {
1004 dev_err(&dev->dev, 992 dev_err(&dev->dev,
1005 "%u:%d : can't get Cl 993 "%u:%d : can't get Cluster Descriptor\n",
1006 iface_no, altno); 994 iface_no, altno);
1007 kfree(cluster); 995 kfree(cluster);
1008 return ERR_PTR(-EIO); 996 return ERR_PTR(-EIO);
1009 } 997 }
1010 998
1011 num_channels = cluster->bNrChannels; 999 num_channels = cluster->bNrChannels;
1012 chmap = convert_chmap_v3(cluster); 1000 chmap = convert_chmap_v3(cluster);
1013 kfree(cluster); 1001 kfree(cluster);
1014 1002
1015 /* 1003 /*
1016 * lookup the terminal associated to 1004 * lookup the terminal associated to this interface
1017 * to extract the clock 1005 * to extract the clock
1018 */ 1006 */
1019 input_term = snd_usb_find_input_termi !! 1007 input_term = snd_usb_find_input_terminal_descriptor(chip->ctrl_intf,
1020 1008 as->bTerminalLink,
1021 1009 UAC_VERSION_3);
1022 if (input_term) { 1010 if (input_term) {
1023 clock = input_term->bCSourceI 1011 clock = input_term->bCSourceID;
1024 goto found_clock; 1012 goto found_clock;
1025 } 1013 }
1026 1014
1027 output_term = snd_usb_find_output_ter !! 1015 output_term = snd_usb_find_output_terminal_descriptor(chip->ctrl_intf,
1028 1016 as->bTerminalLink,
1029 1017 UAC_VERSION_3);
1030 if (output_term) { 1018 if (output_term) {
1031 clock = output_term->bCSource 1019 clock = output_term->bCSourceID;
1032 goto found_clock; 1020 goto found_clock;
1033 } 1021 }
1034 1022
1035 dev_err(&dev->dev, "%u:%d : bogus bTe 1023 dev_err(&dev->dev, "%u:%d : bogus bTerminalLink %d\n",
1036 iface_no, altno, as-> 1024 iface_no, altno, as->bTerminalLink);
1037 kfree(chmap); 1025 kfree(chmap);
1038 return NULL; 1026 return NULL;
1039 1027
1040 found_clock: 1028 found_clock:
1041 fp = audio_format_alloc_init(chip, al 1029 fp = audio_format_alloc_init(chip, alts, UAC_VERSION_3, iface_no,
1042 altset_i 1030 altset_idx, altno, num_channels, clock);
1043 if (!fp) { 1031 if (!fp) {
1044 kfree(chmap); 1032 kfree(chmap);
1045 return ERR_PTR(-ENOMEM); 1033 return ERR_PTR(-ENOMEM);
1046 } 1034 }
1047 1035
1048 fp->chmap = chmap; 1036 fp->chmap = chmap;
1049 1037
1050 if (badd_profile >= UAC3_FUNCTION_SUB 1038 if (badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) {
1051 fp->attributes = 0; /* No att 1039 fp->attributes = 0; /* No attributes */
1052 1040
1053 fp->fmt_type = UAC_FORMAT_TYP 1041 fp->fmt_type = UAC_FORMAT_TYPE_I;
1054 fp->formats = badd_formats; 1042 fp->formats = badd_formats;
1055 1043
1056 fp->nr_rates = 0; /* SN 1044 fp->nr_rates = 0; /* SNDRV_PCM_RATE_CONTINUOUS */
1057 fp->rate_min = UAC3_BADD_SAMP 1045 fp->rate_min = UAC3_BADD_SAMPLING_RATE;
1058 fp->rate_max = UAC3_BADD_SAMP 1046 fp->rate_max = UAC3_BADD_SAMPLING_RATE;
1059 fp->rates = SNDRV_PCM_RATE_CO 1047 fp->rates = SNDRV_PCM_RATE_CONTINUOUS;
1060 1048
1061 pd = kzalloc(sizeof(*pd), GFP 1049 pd = kzalloc(sizeof(*pd), GFP_KERNEL);
1062 if (!pd) { 1050 if (!pd) {
1063 audioformat_free(fp); 1051 audioformat_free(fp);
1064 return NULL; 1052 return NULL;
1065 } 1053 }
1066 pd->pd_id = (stream == SNDRV_ 1054 pd->pd_id = (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
1067 UAC3_ 1055 UAC3_BADD_PD_ID10 : UAC3_BADD_PD_ID11;
1068 pd->pd_d1d0_rec = UAC3_BADD_P 1056 pd->pd_d1d0_rec = UAC3_BADD_PD_RECOVER_D1D0;
1069 pd->pd_d2d0_rec = UAC3_BADD_P 1057 pd->pd_d2d0_rec = UAC3_BADD_PD_RECOVER_D2D0;
1070 pd->ctrl_iface = ctrl_intf; <<
1071 1058
1072 } else { 1059 } else {
1073 fp->attributes = parse_uac_en 1060 fp->attributes = parse_uac_endpoint_attributes(chip, alts,
1074 1061 UAC_VERSION_3,
1075 1062 iface_no);
1076 1063
1077 pd = snd_usb_find_power_domai !! 1064 pd = snd_usb_find_power_domain(chip->ctrl_intf,
1078 1065 as->bTerminalLink);
1079 1066
1080 /* ok, let's parse further... 1067 /* ok, let's parse further... */
1081 if (snd_usb_parse_audio_forma 1068 if (snd_usb_parse_audio_format_v3(chip, fp, as, stream) < 0) {
1082 kfree(pd); 1069 kfree(pd);
1083 audioformat_free(fp); 1070 audioformat_free(fp);
1084 return NULL; 1071 return NULL;
1085 } 1072 }
1086 } 1073 }
1087 1074
1088 if (pd) 1075 if (pd)
1089 *pd_out = pd; 1076 *pd_out = pd;
1090 1077
1091 return fp; 1078 return fp;
1092 } 1079 }
1093 1080
1094 static int __snd_usb_parse_audio_interface(st 1081 static int __snd_usb_parse_audio_interface(struct snd_usb_audio *chip,
1095 in 1082 int iface_no,
1096 bo 1083 bool *has_non_pcm, bool non_pcm)
1097 { 1084 {
1098 struct usb_device *dev; 1085 struct usb_device *dev;
1099 struct usb_interface *iface; 1086 struct usb_interface *iface;
1100 struct usb_host_interface *alts; 1087 struct usb_host_interface *alts;
1101 struct usb_interface_descriptor *alts 1088 struct usb_interface_descriptor *altsd;
1102 int i, altno, err, stream; 1089 int i, altno, err, stream;
1103 struct audioformat *fp = NULL; 1090 struct audioformat *fp = NULL;
1104 struct snd_usb_power_domain *pd = NUL 1091 struct snd_usb_power_domain *pd = NULL;
1105 bool set_iface_first; <<
1106 int num, protocol; 1092 int num, protocol;
1107 1093
1108 dev = chip->dev; 1094 dev = chip->dev;
1109 1095
1110 /* parse the interface's altsettings 1096 /* parse the interface's altsettings */
1111 iface = usb_ifnum_to_if(dev, iface_no 1097 iface = usb_ifnum_to_if(dev, iface_no);
1112 1098
1113 num = iface->num_altsetting; 1099 num = iface->num_altsetting;
1114 1100
1115 /* 1101 /*
1116 * Dallas DS4201 workaround: It prese 1102 * Dallas DS4201 workaround: It presents 5 altsettings, but the last
1117 * one misses syncpipe, and does not 1103 * one misses syncpipe, and does not produce any sound.
1118 */ 1104 */
1119 if (chip->usb_id == USB_ID(0x04fa, 0x !! 1105 if (chip->usb_id == USB_ID(0x04fa, 0x4201))
1120 num = 4; 1106 num = 4;
1121 1107
1122 for (i = 0; i < num; i++) { 1108 for (i = 0; i < num; i++) {
1123 alts = &iface->altsetting[i]; 1109 alts = &iface->altsetting[i];
1124 altsd = get_iface_desc(alts); 1110 altsd = get_iface_desc(alts);
1125 protocol = altsd->bInterfaceP 1111 protocol = altsd->bInterfaceProtocol;
1126 /* skip invalid one */ 1112 /* skip invalid one */
1127 if (((altsd->bInterfaceClass 1113 if (((altsd->bInterfaceClass != USB_CLASS_AUDIO ||
1128 (altsd->bInterfaceSubCl 1114 (altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING &&
1129 altsd->bInterfaceSubCl 1115 altsd->bInterfaceSubClass != USB_SUBCLASS_VENDOR_SPEC)) &&
1130 altsd->bInterfaceClass ! 1116 altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
1131 altsd->bNumEndpoints < 1 1117 altsd->bNumEndpoints < 1 ||
1132 le16_to_cpu(get_endpoint( 1118 le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) == 0)
1133 continue; 1119 continue;
1134 /* must be isochronous */ 1120 /* must be isochronous */
1135 if ((get_endpoint(alts, 0)->b 1121 if ((get_endpoint(alts, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
1136 USB_ENDPOINT_XFER_ISOC) 1122 USB_ENDPOINT_XFER_ISOC)
1137 continue; 1123 continue;
1138 /* check direction */ 1124 /* check direction */
1139 stream = (get_endpoint(alts, 1125 stream = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN) ?
1140 SNDRV_PCM_STREAM_CAPT 1126 SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
1141 altno = altsd->bAlternateSett 1127 altno = altsd->bAlternateSetting;
1142 1128
1143 if (snd_usb_apply_interface_q 1129 if (snd_usb_apply_interface_quirk(chip, iface_no, altno))
1144 continue; 1130 continue;
1145 1131
1146 /* 1132 /*
1147 * Roland audio streaming int 1133 * Roland audio streaming interfaces are marked with protocols
1148 * 0/1/2, but are UAC 1 compa 1134 * 0/1/2, but are UAC 1 compatible.
1149 */ 1135 */
1150 if (USB_ID_VENDOR(chip->usb_i 1136 if (USB_ID_VENDOR(chip->usb_id) == 0x0582 &&
1151 altsd->bInterfaceClass == 1137 altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC &&
1152 protocol <= 2) 1138 protocol <= 2)
1153 protocol = UAC_VERSIO 1139 protocol = UAC_VERSION_1;
1154 1140
1155 switch (protocol) { 1141 switch (protocol) {
1156 default: 1142 default:
1157 dev_dbg(&dev->dev, "% 1143 dev_dbg(&dev->dev, "%u:%d: unknown interface protocol %#02x, assuming v1\n",
1158 iface_no, alt 1144 iface_no, altno, protocol);
1159 protocol = UAC_VERSIO 1145 protocol = UAC_VERSION_1;
1160 fallthrough; !! 1146 /* fall through */
1161 case UAC_VERSION_1: 1147 case UAC_VERSION_1:
>> 1148 /* fall through */
1162 case UAC_VERSION_2: { 1149 case UAC_VERSION_2: {
1163 int bm_quirk = 0; 1150 int bm_quirk = 0;
1164 1151
1165 /* 1152 /*
1166 * Blue Microphones w 1153 * Blue Microphones workaround: The last altsetting is
1167 * identical with the 1154 * identical with the previous one, except for a larger
1168 * packet size, but i 1155 * packet size, but is actually a mislabeled two-channel
1169 * setting; ignore it 1156 * setting; ignore it.
1170 * 1157 *
1171 * Part 1: prepare qu 1158 * Part 1: prepare quirk flag
1172 */ 1159 */
1173 if (altno == 2 && num 1160 if (altno == 2 && num == 3 &&
1174 fp && fp->altsett 1161 fp && fp->altsetting == 1 && fp->channels == 1 &&
1175 fp->formats == SN 1162 fp->formats == SNDRV_PCM_FMTBIT_S16_LE &&
1176 protocol == UAC_V 1163 protocol == UAC_VERSION_1 &&
1177 le16_to_cpu(get_e 1164 le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) ==
1178 1165 fp->maxpacksize * 2)
1179 bm_quirk = 1; 1166 bm_quirk = 1;
1180 1167
1181 fp = snd_usb_get_audi 1168 fp = snd_usb_get_audioformat_uac12(chip, alts, protocol,
1182 1169 iface_no, i, altno,
1183 1170 stream, bm_quirk);
1184 break; 1171 break;
1185 } 1172 }
1186 case UAC_VERSION_3: 1173 case UAC_VERSION_3:
1187 fp = snd_usb_get_audi 1174 fp = snd_usb_get_audioformat_uac3(chip, alts, &pd,
1188 1175 iface_no, i, altno, stream);
1189 break; 1176 break;
1190 } 1177 }
1191 1178
1192 if (!fp) 1179 if (!fp)
1193 continue; 1180 continue;
1194 else if (IS_ERR(fp)) 1181 else if (IS_ERR(fp))
1195 return PTR_ERR(fp); 1182 return PTR_ERR(fp);
1196 1183
1197 if (fp->fmt_type != UAC_FORMA 1184 if (fp->fmt_type != UAC_FORMAT_TYPE_I)
1198 *has_non_pcm = true; 1185 *has_non_pcm = true;
1199 if ((fp->fmt_type == UAC_FORM 1186 if ((fp->fmt_type == UAC_FORMAT_TYPE_I) == non_pcm) {
1200 audioformat_free(fp); 1187 audioformat_free(fp);
1201 kfree(pd); 1188 kfree(pd);
1202 fp = NULL; 1189 fp = NULL;
1203 pd = NULL; 1190 pd = NULL;
1204 continue; 1191 continue;
1205 } 1192 }
1206 1193
1207 snd_usb_audioformat_set_sync_ <<
1208 <<
1209 dev_dbg(&dev->dev, "%u:%d: ad 1194 dev_dbg(&dev->dev, "%u:%d: add audio endpoint %#x\n", iface_no, altno, fp->endpoint);
1210 if (protocol == UAC_VERSION_3 1195 if (protocol == UAC_VERSION_3)
1211 err = snd_usb_add_aud 1196 err = snd_usb_add_audio_stream_v3(chip, stream, fp, pd);
1212 else 1197 else
1213 err = snd_usb_add_aud 1198 err = snd_usb_add_audio_stream(chip, stream, fp);
1214 1199
1215 if (err < 0) { 1200 if (err < 0) {
1216 audioformat_free(fp); 1201 audioformat_free(fp);
1217 kfree(pd); 1202 kfree(pd);
1218 return err; 1203 return err;
1219 } 1204 }
1220 <<
1221 /* add endpoints */ <<
1222 err = snd_usb_add_endpoint(ch <<
1223 SN <<
1224 if (err < 0) <<
1225 return err; <<
1226 <<
1227 if (fp->sync_ep) { <<
1228 err = snd_usb_add_end <<
1229 <<
1230 <<
1231 <<
1232 if (err < 0) <<
1233 return err; <<
1234 } <<
1235 <<
1236 set_iface_first = false; <<
1237 if (protocol == UAC_VERSION_1 <<
1238 (chip->quirk_flags & QUIR <<
1239 set_iface_first = tru <<
1240 <<
1241 /* try to set the interface.. 1205 /* try to set the interface... */
1242 usb_set_interface(chip->dev, !! 1206 usb_set_interface(chip->dev, iface_no, altno);
1243 if (set_iface_first) !! 1207 snd_usb_init_pitch(chip, iface_no, alts, fp);
1244 usb_set_interface(chi !! 1208 snd_usb_init_sample_rate(chip, iface_no, alts, fp, fp->rate_max);
1245 snd_usb_init_pitch(chip, fp); <<
1246 snd_usb_init_sample_rate(chip <<
1247 if (!set_iface_first) <<
1248 usb_set_interface(chi <<
1249 } 1209 }
1250 return 0; 1210 return 0;
1251 } 1211 }
1252 1212
1253 int snd_usb_parse_audio_interface(struct snd_ 1213 int snd_usb_parse_audio_interface(struct snd_usb_audio *chip, int iface_no)
1254 { 1214 {
1255 int err; 1215 int err;
1256 bool has_non_pcm = false; 1216 bool has_non_pcm = false;
1257 1217
1258 /* parse PCM formats */ 1218 /* parse PCM formats */
1259 err = __snd_usb_parse_audio_interface 1219 err = __snd_usb_parse_audio_interface(chip, iface_no, &has_non_pcm, false);
1260 if (err < 0) 1220 if (err < 0)
1261 return err; 1221 return err;
1262 1222
1263 if (has_non_pcm) { 1223 if (has_non_pcm) {
1264 /* parse non-PCM formats */ 1224 /* parse non-PCM formats */
1265 err = __snd_usb_parse_audio_i 1225 err = __snd_usb_parse_audio_interface(chip, iface_no, &has_non_pcm, true);
1266 if (err < 0) 1226 if (err < 0)
1267 return err; 1227 return err;
1268 } 1228 }
1269 1229
1270 return 0; 1230 return 0;
1271 } 1231 }
1272 1232
1273 1233
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