File: | dev/usb/uaudio.c |
Warning: | line 4213, column 8 3rd function call argument is an uninitialized value |
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1 | /* $OpenBSD: uaudio.c,v 1.174 2023/12/10 06:32:14 ratchov Exp $ */ | |||
2 | /* | |||
3 | * Copyright (c) 2018 Alexandre Ratchov <alex@caoua.org> | |||
4 | * | |||
5 | * Permission to use, copy, modify, and distribute this software for any | |||
6 | * purpose with or without fee is hereby granted, provided that the above | |||
7 | * copyright notice and this permission notice appear in all copies. | |||
8 | * | |||
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |||
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |||
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |||
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |||
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |||
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
16 | */ | |||
17 | /* | |||
18 | * The USB Audio Class (UAC) defines what is an audio device and how | |||
19 | * to use it. There are two versions of the UAC: v1.0 and v2.0. They | |||
20 | * are not compatible with each other but they are close enough to | |||
21 | * attempt to have the same driver for both. | |||
22 | * | |||
23 | */ | |||
24 | #include <sys/param.h> | |||
25 | #include <sys/types.h> | |||
26 | #include <sys/device.h> | |||
27 | #include <sys/errno.h> | |||
28 | #include <sys/fcntl.h> | |||
29 | #include <sys/malloc.h> | |||
30 | #include <sys/systm.h> | |||
31 | #include <sys/time.h> | |||
32 | #include <sys/audioio.h> | |||
33 | #include <machine/bus.h> | |||
34 | #include <dev/audio_if.h> | |||
35 | #include <dev/usb/usb.h> | |||
36 | #include <dev/usb/usbdi.h> | |||
37 | #include <dev/usb/usbdivar.h> | |||
38 | #include <dev/usb/usb_mem.h> | |||
39 | ||||
40 | #ifdef UAUDIO_DEBUG | |||
41 | #define DPRINTF(...)do {} while(0) \ | |||
42 | do { \ | |||
43 | if (uaudio_debug) \ | |||
44 | printf(__VA_ARGS__); \ | |||
45 | } while (0) | |||
46 | #else | |||
47 | #define DPRINTF(...)do {} while(0) do {} while(0) | |||
48 | #endif | |||
49 | ||||
50 | #define DEVNAME(sc)((sc)->dev.dv_xname) ((sc)->dev.dv_xname) | |||
51 | ||||
52 | /* | |||
53 | * Isochronous endpoint usage (XXX: these belong to dev/usb/usb.h). | |||
54 | */ | |||
55 | #define UE_ISO_USAGE0x30 0x30 | |||
56 | #define UE_ISO_USAGE_DATA0x00 0x00 | |||
57 | #define UE_ISO_USAGE_FEEDBACK0x10 0x10 | |||
58 | #define UE_ISO_USAGE_IMPL0x20 0x20 | |||
59 | #define UE_GET_ISO_USAGE(a)((a) & 0x30) ((a) & UE_ISO_USAGE0x30) | |||
60 | ||||
61 | /* | |||
62 | * Max length of unit names | |||
63 | */ | |||
64 | #define UAUDIO_NAMEMAX16 MAX_AUDIO_DEV_LEN16 | |||
65 | ||||
66 | /* | |||
67 | * USB audio class versions | |||
68 | */ | |||
69 | #define UAUDIO_V10x100 0x100 | |||
70 | #define UAUDIO_V20x200 0x200 | |||
71 | ||||
72 | /* | |||
73 | * AC class-specific descriptor interface sub-type | |||
74 | */ | |||
75 | #define UAUDIO_AC_HEADER0x1 0x1 | |||
76 | #define UAUDIO_AC_INPUT0x2 0x2 | |||
77 | #define UAUDIO_AC_OUTPUT0x3 0x3 | |||
78 | #define UAUDIO_AC_MIXER0x4 0x4 | |||
79 | #define UAUDIO_AC_SELECTOR0x5 0x5 | |||
80 | #define UAUDIO_AC_FEATURE0x6 0x6 | |||
81 | #define UAUDIO_AC_EFFECT0x7 0x7 | |||
82 | #define UAUDIO_AC_PROCESSING0x8 0x8 | |||
83 | #define UAUDIO_AC_EXTENSION0x9 0x9 | |||
84 | #define UAUDIO_AC_CLKSRC0xa 0xa | |||
85 | #define UAUDIO_AC_CLKSEL0xb 0xb | |||
86 | #define UAUDIO_AC_CLKMULT0xc 0xc | |||
87 | #define UAUDIO_AC_RATECONV0xd 0xd | |||
88 | ||||
89 | /* | |||
90 | * AS class-specific interface sub-types | |||
91 | */ | |||
92 | #define UAUDIO_AS_GENERAL0x1 0x1 | |||
93 | #define UAUDIO_AS_FORMAT0x2 0x2 | |||
94 | ||||
95 | /* | |||
96 | * AS class-specific endpoint sub-type | |||
97 | */ | |||
98 | #define UAUDIO_EP_GENERAL0x1 0x1 | |||
99 | ||||
100 | /* | |||
101 | * UAC v1 formats, wFormatTag is an enum | |||
102 | */ | |||
103 | #define UAUDIO_V1_FMT_PCM0x1 0x1 | |||
104 | #define UAUDIO_V1_FMT_PCM80x2 0x2 | |||
105 | #define UAUDIO_V1_FMT_FLOAT0x3 0x3 | |||
106 | #define UAUDIO_V1_FMT_ALAW0x4 0x4 | |||
107 | #define UAUDIO_V1_FMT_MULAW0x5 0x5 | |||
108 | ||||
109 | /* | |||
110 | * UAC v2 formats, bmFormats is a bitmap | |||
111 | */ | |||
112 | #define UAUDIO_V2_FMT_PCM0x01 0x01 | |||
113 | #define UAUDIO_V2_FMT_PCM80x02 0x02 | |||
114 | #define UAUDIO_V2_FMT_FLOAT0x04 0x04 | |||
115 | #define UAUDIO_V2_FMT_ALAW0x08 0x08 | |||
116 | #define UAUDIO_V2_FMT_MULAW0x10 0x10 | |||
117 | ||||
118 | /* | |||
119 | * AC requests | |||
120 | */ | |||
121 | #define UAUDIO_V1_REQ_SET_CUR0x01 0x01 | |||
122 | #define UAUDIO_V1_REQ_SET_MIN0x02 0x02 | |||
123 | #define UAUDIO_V1_REQ_SET_MAX0x03 0x03 | |||
124 | #define UAUDIO_V1_REQ_SET_RES0x04 0x04 | |||
125 | #define UAUDIO_V1_REQ_GET_CUR0x81 0x81 | |||
126 | #define UAUDIO_V1_REQ_GET_MIN0x82 0x82 | |||
127 | #define UAUDIO_V1_REQ_GET_MAX0x83 0x83 | |||
128 | #define UAUDIO_V1_REQ_GET_RES0x84 0x84 | |||
129 | #define UAUDIO_V2_REQ_CUR1 1 | |||
130 | #define UAUDIO_V2_REQ_RANGES2 2 | |||
131 | ||||
132 | /* | |||
133 | * AC request "selector control" | |||
134 | */ | |||
135 | #define UAUDIO_V2_REQSEL_CLKFREQ1 1 | |||
136 | #define UAUDIO_V2_REQSEL_CLKSEL1 1 | |||
137 | ||||
138 | /* | |||
139 | * AS class-specific endpoint attributes | |||
140 | */ | |||
141 | #define UAUDIO_EP_FREQCTL0x01 0x01 | |||
142 | ||||
143 | /* | |||
144 | * AC feature control selectors (aka wValue in the request) | |||
145 | */ | |||
146 | #define UAUDIO_REQSEL_MUTE0x01 0x01 | |||
147 | #define UAUDIO_REQSEL_VOLUME0x02 0x02 | |||
148 | #define UAUDIO_REQSEL_BASS0x03 0x03 | |||
149 | #define UAUDIO_REQSEL_MID0x04 0x04 | |||
150 | #define UAUDIO_REQSEL_TREBLE0x05 0x05 | |||
151 | #define UAUDIO_REQSEL_EQ0x06 0x06 | |||
152 | #define UAUDIO_REQSEL_AGC0x07 0x07 | |||
153 | #define UAUDIO_REQSEL_DELAY0x08 0x08 | |||
154 | #define UAUDIO_REQSEL_BASSBOOST0x09 0x09 | |||
155 | #define UAUDIO_REQSEL_LOUDNESS0x0a 0x0a | |||
156 | #define UAUDIO_REQSEL_GAIN0x0b 0x0b | |||
157 | #define UAUDIO_REQSEL_GAINPAD0x0c 0x0c | |||
158 | #define UAUDIO_REQSEL_PHASEINV0x0d 0x0d | |||
159 | ||||
160 | /* | |||
161 | * Endpoint (UAC v1) or clock-source unit (UAC v2) sample rate control | |||
162 | */ | |||
163 | #define UAUDIO_REQSEL_RATE0x01 0x01 | |||
164 | ||||
165 | /* | |||
166 | * Samples-per-frame are fractions. UAC v2.0 requires the denominator to | |||
167 | * be multiple of 2^16, as used in the sync pipe. On the other hand, to | |||
168 | * represent sample-per-frame of all rates we support, we need the | |||
169 | * denominator to be such that (rate / 1000) can be represented exactly, | |||
170 | * 80 works. So we use the least common multiplier of both. | |||
171 | */ | |||
172 | #define UAUDIO_SPF_DIV327680 327680 | |||
173 | ||||
174 | /* | |||
175 | * names of DAC and ADC unit names | |||
176 | */ | |||
177 | #define UAUDIO_NAME_PLAY"dac" "dac" | |||
178 | #define UAUDIO_NAME_REC"record" "record" | |||
179 | ||||
180 | /* | |||
181 | * read/write pointers for secure sequential access of binary data, | |||
182 | * ex. usb descriptors, tables and alike. Bytes are read using the | |||
183 | * read pointer up to the write pointer. | |||
184 | */ | |||
185 | struct uaudio_blob { | |||
186 | unsigned char *rptr, *wptr; | |||
187 | }; | |||
188 | ||||
189 | /* | |||
190 | * Ranges of integer values used to represent controls values and | |||
191 | * sample frequencies. | |||
192 | */ | |||
193 | struct uaudio_ranges { | |||
194 | unsigned int nval; | |||
195 | struct uaudio_ranges_el { | |||
196 | struct uaudio_ranges_el *next; | |||
197 | int min, max, res; | |||
198 | } *el; | |||
199 | }; | |||
200 | ||||
201 | struct uaudio_softc { | |||
202 | struct device dev; | |||
203 | struct usbd_device *udev; | |||
204 | int version; | |||
205 | ||||
206 | /* | |||
207 | * UAC exposes the device as a circuit of units. Input and | |||
208 | * output jacks are known as terminal units, others are | |||
209 | * processing units. The purpose of this driver is to give | |||
210 | * them reasonable names and expose them as mixer(1) | |||
211 | * controls. Control names are derived from the type of the | |||
212 | * unit and its role in the circuit. | |||
213 | * | |||
214 | * UAC v2.0 exposes also the clock circuitry using units, so | |||
215 | * selecting the sample rate also involves units usage. | |||
216 | */ | |||
217 | struct uaudio_unit { | |||
218 | struct uaudio_unit *unit_next, *src_next, *dst_next; | |||
219 | struct uaudio_unit *src_list, *dst_list; | |||
220 | char name[UAUDIO_NAMEMAX16]; | |||
221 | unsigned int nch; | |||
222 | int type, id; | |||
223 | ||||
224 | /* terminal or clock type */ | |||
225 | unsigned int term; | |||
226 | ||||
227 | /* clock source, if a terminal or selector */ | |||
228 | struct uaudio_unit *clock; | |||
229 | ||||
230 | /* sample rates, if this is a clock source */ | |||
231 | struct uaudio_ranges rates; | |||
232 | ||||
233 | /* mixer(4) bits */ | |||
234 | #define UAUDIO_CLASS_OUT0 0 | |||
235 | #define UAUDIO_CLASS_IN1 1 | |||
236 | #define UAUDIO_CLASS_COUNT2 2 | |||
237 | int mixer_class; | |||
238 | struct uaudio_mixent { | |||
239 | struct uaudio_mixent *next; | |||
240 | char *fname; | |||
241 | #define UAUDIO_MIX_SW0 0 | |||
242 | #define UAUDIO_MIX_NUM1 1 | |||
243 | #define UAUDIO_MIX_ENUM2 2 | |||
244 | int type; | |||
245 | int chan; | |||
246 | int req_sel; | |||
247 | struct uaudio_ranges ranges; | |||
248 | } *mixent_list; | |||
249 | } *unit_list; | |||
250 | ||||
251 | /* | |||
252 | * Current clock, UAC v2.0 only | |||
253 | */ | |||
254 | struct uaudio_unit *clock; | |||
255 | ||||
256 | /* | |||
257 | * Number of input and output terminals | |||
258 | */ | |||
259 | unsigned int nin, nout; | |||
260 | ||||
261 | /* | |||
262 | * When unique names are needed, they are generated using a | |||
263 | * base string suffixed with a number. Ex. "spkr5". The | |||
264 | * following structure is used to keep track of strings we | |||
265 | * allocated. | |||
266 | */ | |||
267 | struct uaudio_name { | |||
268 | struct uaudio_name *next; | |||
269 | char *templ; | |||
270 | unsigned int unit; | |||
271 | } *names; | |||
272 | ||||
273 | /* | |||
274 | * Audio streaming (AS) alternate settings, i.e. stream format | |||
275 | * and USB-related parameters to use it. | |||
276 | */ | |||
277 | struct uaudio_alt { | |||
278 | struct uaudio_alt *next; | |||
279 | int ifnum, altnum; | |||
280 | int mode; /* one of AUMODE_{RECORD,PLAY} */ | |||
281 | int data_addr; /* data endpoint address */ | |||
282 | int sync_addr; /* feedback endpoint address */ | |||
283 | int maxpkt; /* max supported bytes per frame */ | |||
284 | int fps; /* USB (micro-)frames per second */ | |||
285 | int bps, bits, nch; /* audio encoding */ | |||
286 | int v1_rates; /* if UAC 1.0, bitmap of rates */ | |||
287 | } *alts; | |||
288 | ||||
289 | /* | |||
290 | * Audio parameters: play and record stream formats usable | |||
291 | * together. | |||
292 | */ | |||
293 | struct uaudio_params { | |||
294 | struct uaudio_params *next; | |||
295 | struct uaudio_alt *palt, *ralt; | |||
296 | int v1_rates; | |||
297 | } *params_list, *params; | |||
298 | ||||
299 | /* | |||
300 | * One direction audio stream, aka "DMA" in progress | |||
301 | */ | |||
302 | struct uaudio_stream { | |||
303 | #define UAUDIO_NXFERS_MIN2 2 | |||
304 | #define UAUDIO_NXFERS_MAX8 8 | |||
305 | struct uaudio_xfer { | |||
306 | struct usbd_xfer *usb_xfer; | |||
307 | unsigned char *buf; | |||
308 | uint16_t *sizes; | |||
309 | unsigned int size; /* bytes requested */ | |||
310 | unsigned int nframes; /* frames requested */ | |||
311 | } data_xfers[UAUDIO_NXFERS_MAX8], sync_xfers[UAUDIO_NXFERS_MAX8]; | |||
312 | ||||
313 | /* | |||
314 | * We don't use all the data_xfers[] entries because | |||
315 | * we can't schedule too many frames in the usb | |||
316 | * controller. | |||
317 | */ | |||
318 | unsigned int nxfers; | |||
319 | ||||
320 | unsigned int spf_remain; /* frac sample left */ | |||
321 | unsigned int spf; /* avg samples per frame */ | |||
322 | unsigned int spf_min, spf_max; /* allowed boundaries */ | |||
323 | ||||
324 | /* | |||
325 | * The max frame size we'll need (which may be lower | |||
326 | * than the maxpkt the usb pipe supports). | |||
327 | */ | |||
328 | unsigned int maxpkt; | |||
329 | ||||
330 | /* | |||
331 | * max number of frames per xfer we'll need | |||
332 | */ | |||
333 | unsigned int nframes_max; | |||
334 | ||||
335 | /* | |||
336 | * At usb2.0 speed, the number of (micro-)frames per | |||
337 | * transfer must correspond to 1ms, which is the usb1.1 | |||
338 | * frame duration. This is required by lower level usb | |||
339 | * drivers. | |||
340 | * | |||
341 | * The nframes_mask variable is used to test if the | |||
342 | * number of frames per transfer is usable (by checking | |||
343 | * that least significant bits are zero). For instance, | |||
344 | * nframes_mask will be set to 0x0 on usb1.1 device and | |||
345 | * 0x7 on usb2.0 devices running at 8000 fps. | |||
346 | */ | |||
347 | unsigned int nframes_mask; | |||
348 | ||||
349 | unsigned int data_nextxfer, sync_nextxfer; | |||
350 | struct usbd_pipe *data_pipe; | |||
351 | struct usbd_pipe *sync_pipe; | |||
352 | void (*intr)(void *); | |||
353 | void *arg; | |||
354 | ||||
355 | /* audio ring extents, passed to trigger() methods */ | |||
356 | unsigned char *ring_start, *ring_end; | |||
357 | ||||
358 | /* pointer to first byte available */ | |||
359 | unsigned char *ring_pos; | |||
360 | ||||
361 | /* audio(9) block size in bytes */ | |||
362 | int ring_blksz; | |||
363 | ||||
364 | /* xfer position relative to block boundary */ | |||
365 | int ring_offs; | |||
366 | ||||
367 | /* | |||
368 | * As USB sample-per-frame is not constant, we must | |||
369 | * schedule transfers slightly larger that one audio | |||
370 | * block. This is the "safe" block size, that ensures | |||
371 | * the transfer will cross the audio block boundary. | |||
372 | */ | |||
373 | int safe_blksz; | |||
374 | ||||
375 | /* | |||
376 | * Number of bytes completed, when it reaches a | |||
377 | * block size, we fire an audio(9) interrupt. | |||
378 | */ | |||
379 | int ring_icnt; | |||
380 | ||||
381 | /* | |||
382 | * USB transfers are used as a FIFO which is the | |||
383 | * concatenation of all transfers. This is the write | |||
384 | * (read) position of the play (rec) stream | |||
385 | */ | |||
386 | unsigned int ubuf_xfer; /* xfer index */ | |||
387 | unsigned int ubuf_pos; /* offset in bytes */ | |||
388 | } pstream, rstream; | |||
389 | ||||
390 | int ctl_ifnum; /* aka AC interface */ | |||
391 | ||||
392 | int mode; /* open() mode */ | |||
393 | int trigger_mode; /* trigger() mode */ | |||
394 | ||||
395 | unsigned int rate; /* current sample rate */ | |||
396 | unsigned int ufps; /* USB frames per second */ | |||
397 | unsigned int sync_pktsz; /* size of sync packet */ | |||
398 | unsigned int host_nframes; /* max frames we can schedule */ | |||
399 | ||||
400 | int diff_nsamp; /* samples play is ahead of rec */ | |||
401 | int diff_nframes; /* frames play is ahead of rec */ | |||
402 | unsigned int adjspf_age; /* frames since last uaudio_adjspf */ | |||
403 | ||||
404 | /* | |||
405 | * bytes pending to be copied to transfer buffer. This is play | |||
406 | * only, as recorded frames are copied as soon they are | |||
407 | * received. | |||
408 | */ | |||
409 | size_t copy_todo; | |||
410 | }; | |||
411 | ||||
412 | int uaudio_match(struct device *, void *, void *); | |||
413 | void uaudio_attach(struct device *, struct device *, void *); | |||
414 | int uaudio_detach(struct device *, int); | |||
415 | ||||
416 | int uaudio_open(void *, int); | |||
417 | void uaudio_close(void *); | |||
418 | int uaudio_set_params(void *, int, int, struct audio_params *, | |||
419 | struct audio_params *); | |||
420 | unsigned int uaudio_set_blksz(void *, int, | |||
421 | struct audio_params *, struct audio_params *, unsigned int); | |||
422 | int uaudio_trigger_output(void *, void *, void *, int, | |||
423 | void (*)(void *), void *, struct audio_params *); | |||
424 | int uaudio_trigger_input(void *, void *, void *, int, | |||
425 | void (*)(void *), void *, struct audio_params *); | |||
426 | void uaudio_copy_output(void *, size_t); | |||
427 | void uaudio_underrun(void *); | |||
428 | int uaudio_halt_output(void *); | |||
429 | int uaudio_halt_input(void *); | |||
430 | int uaudio_query_devinfo(void *, struct mixer_devinfo *); | |||
431 | int uaudio_get_port(void *, struct mixer_ctrl *); | |||
432 | int uaudio_set_port(void *, struct mixer_ctrl *); | |||
433 | ||||
434 | int uaudio_process_unit(struct uaudio_softc *, | |||
435 | struct uaudio_unit *, int, | |||
436 | struct uaudio_blob, | |||
437 | struct uaudio_unit **); | |||
438 | ||||
439 | void uaudio_pdata_intr(struct usbd_xfer *, void *, usbd_status); | |||
440 | void uaudio_rdata_intr(struct usbd_xfer *, void *, usbd_status); | |||
441 | void uaudio_psync_intr(struct usbd_xfer *, void *, usbd_status); | |||
442 | ||||
443 | #ifdef UAUDIO_DEBUG | |||
444 | char *uaudio_isoname(int isotype); | |||
445 | char *uaudio_modename(int mode); | |||
446 | char *uaudio_usagename(int usage); | |||
447 | void uaudio_rates_print(int rates); | |||
448 | void uaudio_ranges_print(struct uaudio_ranges *r); | |||
449 | void uaudio_print_unit(struct uaudio_softc *sc, struct uaudio_unit *u); | |||
450 | void uaudio_mixer_print(struct uaudio_softc *sc); | |||
451 | void uaudio_conf_print(struct uaudio_softc *sc); | |||
452 | ||||
453 | /* | |||
454 | * 0 - nothing, same as if UAUDIO_DEBUG isn't defined | |||
455 | * 1 - initialisations & setup | |||
456 | * 2 - audio(4) calls | |||
457 | * 3 - transfers | |||
458 | */ | |||
459 | int uaudio_debug = 1; | |||
460 | #endif | |||
461 | ||||
462 | struct cfdriver uaudio_cd = { | |||
463 | NULL((void *)0), "uaudio", DV_DULL | |||
464 | }; | |||
465 | ||||
466 | const struct cfattach uaudio_ca = { | |||
467 | sizeof(struct uaudio_softc), uaudio_match, uaudio_attach, uaudio_detach | |||
468 | }; | |||
469 | ||||
470 | const struct audio_hw_if uaudio_hw_if = { | |||
471 | .open = uaudio_open, | |||
472 | .close = uaudio_close, | |||
473 | .set_params = uaudio_set_params, | |||
474 | .halt_output = uaudio_halt_output, | |||
475 | .halt_input = uaudio_halt_input, | |||
476 | .set_port = uaudio_set_port, | |||
477 | .get_port = uaudio_get_port, | |||
478 | .query_devinfo = uaudio_query_devinfo, | |||
479 | .trigger_output = uaudio_trigger_output, | |||
480 | .trigger_input = uaudio_trigger_input, | |||
481 | .copy_output = uaudio_copy_output, | |||
482 | .underrun = uaudio_underrun, | |||
483 | .set_blksz = uaudio_set_blksz, | |||
484 | }; | |||
485 | ||||
486 | /* | |||
487 | * To keep things simple, we support only the following rates, we | |||
488 | * don't care about continuous sample rates or other "advanced" | |||
489 | * features which complicate implementation. | |||
490 | */ | |||
491 | const int uaudio_rates[] = { | |||
492 | 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, | |||
493 | 64000, 88200, 96000, 128000, 176400, 192000 | |||
494 | }; | |||
495 | ||||
496 | /* | |||
497 | * Convert 8, 16, or 24-bit signed value to an int by expanding the | |||
498 | * sign bit. | |||
499 | */ | |||
500 | int | |||
501 | uaudio_sign_expand(unsigned int val, int opsize) | |||
502 | { | |||
503 | unsigned int s; | |||
504 | ||||
505 | s = 1 << (8 * opsize - 1); | |||
506 | return (val ^ s) - s; | |||
507 | } | |||
508 | ||||
509 | int | |||
510 | uaudio_req(struct uaudio_softc *sc, | |||
511 | unsigned int type, | |||
512 | unsigned int req, | |||
513 | unsigned int sel, | |||
514 | unsigned int chan, | |||
515 | unsigned int ifnum, | |||
516 | unsigned int id, | |||
517 | unsigned char *buf, | |||
518 | size_t size) | |||
519 | { | |||
520 | struct usb_device_request r; | |||
521 | int err; | |||
522 | ||||
523 | r.bmRequestType = type; | |||
524 | r.bRequest = req; | |||
525 | USETW(r.wValue, sel << 8 | chan)(*(u_int16_t *)(r.wValue) = (sel << 8 | chan)); | |||
526 | USETW(r.wIndex, id << 8 | ifnum)(*(u_int16_t *)(r.wIndex) = (id << 8 | ifnum)); | |||
527 | USETW(r.wLength, size)(*(u_int16_t *)(r.wLength) = (size)); | |||
528 | ||||
529 | DPRINTF("%s: type = 0x%x, req = 0x%x, val = 0x%x, "do {} while(0) | |||
530 | "index = 0x%x, size = %d\n", __func__,do {} while(0) | |||
531 | type, req, UGETW(r.wValue), UGETW(r.wIndex), UGETW(r.wLength))do {} while(0); | |||
532 | ||||
533 | err = usbd_do_request(sc->udev, &r, buf); | |||
534 | if (err) { | |||
535 | DPRINTF("%s: failed: %s\n", __func__, usbd_errstr(err))do {} while(0); | |||
536 | return 0; | |||
537 | } | |||
538 | return 1; | |||
539 | } | |||
540 | ||||
541 | /* | |||
542 | * Read a number of the given size (in bytes) from the given | |||
543 | * blob. Return 0 on error. | |||
544 | */ | |||
545 | int | |||
546 | uaudio_getnum(struct uaudio_blob *p, unsigned int size, unsigned int *ret) | |||
547 | { | |||
548 | unsigned int i, num = 0; | |||
549 | ||||
550 | if (p->wptr - p->rptr < size) { | |||
551 | DPRINTF("%s: %d: too small\n", __func__, size)do {} while(0); | |||
552 | return 0; | |||
553 | } | |||
554 | ||||
555 | for (i = 0; i < size; i++) | |||
556 | num |= *p->rptr++ << (8 * i); | |||
557 | ||||
558 | if (ret) | |||
559 | *ret = num; | |||
560 | return 1; | |||
561 | } | |||
562 | ||||
563 | /* | |||
564 | * Read a USB descriptor from the given blob. Return 0 on error. | |||
565 | */ | |||
566 | int | |||
567 | uaudio_getdesc(struct uaudio_blob *p, struct uaudio_blob *ret) | |||
568 | { | |||
569 | unsigned int size; | |||
570 | ||||
571 | if (!uaudio_getnum(p, 1, &size)) | |||
572 | return 0; | |||
573 | if (size-- == 0) { | |||
574 | DPRINTF("%s: zero sized desc\n", __func__)do {} while(0); | |||
575 | return 0; | |||
576 | } | |||
577 | if (p->wptr - p->rptr < size) { | |||
578 | DPRINTF("%s: too small\n", __func__)do {} while(0); | |||
579 | return 0; | |||
580 | } | |||
581 | ret->rptr = p->rptr; | |||
582 | ret->wptr = p->rptr + size; | |||
583 | p->rptr += size; | |||
584 | return 1; | |||
585 | } | |||
586 | ||||
587 | /* | |||
588 | * Find the unit with the given id, return NULL if not found. | |||
589 | */ | |||
590 | struct uaudio_unit * | |||
591 | uaudio_unit_byid(struct uaudio_softc *sc, unsigned int id) | |||
592 | { | |||
593 | struct uaudio_unit *u; | |||
594 | ||||
595 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
596 | if (u->id == id) | |||
597 | break; | |||
598 | } | |||
599 | return u; | |||
600 | } | |||
601 | ||||
602 | /* | |||
603 | * Return a terminal name for the given terminal type. | |||
604 | */ | |||
605 | char * | |||
606 | uaudio_tname(struct uaudio_softc *sc, unsigned int type, int isout) | |||
607 | { | |||
608 | unsigned int hi, lo; | |||
609 | char *name; | |||
610 | ||||
611 | hi = type >> 8; | |||
612 | lo = type & 0xff; | |||
613 | ||||
614 | /* usb data stream */ | |||
615 | if (hi == 1) | |||
616 | return isout ? UAUDIO_NAME_REC"record" : UAUDIO_NAME_PLAY"dac"; | |||
617 | ||||
618 | /* if there is only one input (output) use "input" ("output") */ | |||
619 | if (isout) { | |||
620 | if (sc->nout == 1) | |||
621 | return "output"; | |||
622 | } else { | |||
623 | if (sc->nin == 1) | |||
624 | return "input"; | |||
625 | } | |||
626 | ||||
627 | /* determine name from USB terminal type */ | |||
628 | switch (hi) { | |||
629 | case 2: | |||
630 | /* embedded inputs */ | |||
631 | name = isout ? "mic-out" : "mic"; | |||
632 | break; | |||
633 | case 3: | |||
634 | /* embedded outputs, mostly speakers, except 0x302 */ | |||
635 | switch (lo) { | |||
636 | case 0x02: | |||
637 | name = isout ? "hp" : "hp-in"; | |||
638 | break; | |||
639 | default: | |||
640 | name = isout ? "spkr" : "spkr-in"; | |||
641 | break; | |||
642 | } | |||
643 | break; | |||
644 | case 4: | |||
645 | /* handsets and headset */ | |||
646 | name = isout ? "spkr" : "mic"; | |||
647 | break; | |||
648 | case 5: | |||
649 | /* phone line */ | |||
650 | name = isout ? "phone-in" : "phone-out"; | |||
651 | break; | |||
652 | case 6: | |||
653 | /* external sources/sinks */ | |||
654 | switch (lo) { | |||
655 | case 0x02: | |||
656 | case 0x05: | |||
657 | case 0x06: | |||
658 | case 0x07: | |||
659 | case 0x09: | |||
660 | case 0x0a: | |||
661 | name = isout ? "dig-out" : "dig-in"; | |||
662 | break; | |||
663 | default: | |||
664 | name = isout ? "line-out" : "line-in"; | |||
665 | break; | |||
666 | } | |||
667 | break; | |||
668 | case 7: | |||
669 | /* internal devices */ | |||
670 | name = isout ? "int-out" : "int-in"; | |||
671 | break; | |||
672 | default: | |||
673 | name = isout ? "unk-out" : "unk-in"; | |||
674 | } | |||
675 | return name; | |||
676 | } | |||
677 | ||||
678 | /* | |||
679 | * Return a clock name for the given clock type. | |||
680 | */ | |||
681 | char * | |||
682 | uaudio_clkname(unsigned int attr) | |||
683 | { | |||
684 | static char *names[] = {"ext", "fixed", "var", "prog"}; | |||
685 | ||||
686 | return names[attr & 3]; | |||
687 | } | |||
688 | ||||
689 | /* | |||
690 | * Return an unique name for the given template. | |||
691 | */ | |||
692 | void | |||
693 | uaudio_mkname(struct uaudio_softc *sc, char *templ, char *res) | |||
694 | { | |||
695 | struct uaudio_name *n; | |||
696 | char *sep; | |||
697 | ||||
698 | /* | |||
699 | * if this is not a terminal name (i.e. there's a underscore | |||
700 | * in the name, like in "spkr2_mic3"), then use underscore as | |||
701 | * separator to avoid concatenating two numbers | |||
702 | */ | |||
703 | sep = strchr(templ, '_') != NULL((void *)0) ? "_" : ""; | |||
704 | ||||
705 | n = sc->names; | |||
706 | while (1) { | |||
707 | if (n == NULL((void *)0)) { | |||
708 | n = malloc(sizeof(struct uaudio_name), | |||
709 | M_USBDEV102, M_WAITOK0x0001); | |||
710 | n->templ = templ; | |||
711 | n->unit = 0; | |||
712 | n->next = sc->names; | |||
713 | sc->names = n; | |||
714 | } | |||
715 | if (strcmp(n->templ, templ) == 0) | |||
716 | break; | |||
717 | n = n->next; | |||
718 | } | |||
719 | if (n->unit == 0) | |||
720 | snprintf(res, UAUDIO_NAMEMAX16, "%s", templ); | |||
721 | else | |||
722 | snprintf(res, UAUDIO_NAMEMAX16, "%s%s%u", templ, sep, n->unit); | |||
723 | n->unit++; | |||
724 | } | |||
725 | ||||
726 | /* | |||
727 | * Convert UAC v1.0 feature bitmap to UAC v2.0 feature bitmap. | |||
728 | */ | |||
729 | unsigned int | |||
730 | uaudio_feature_fixup(struct uaudio_softc *sc, unsigned int ctl) | |||
731 | { | |||
732 | int i; | |||
733 | unsigned int bits, n; | |||
734 | ||||
735 | switch (sc->version) { | |||
736 | case UAUDIO_V10x100: | |||
737 | n = 0; | |||
738 | for (i = 0; i < 16; i++) { | |||
739 | bits = (ctl >> i) & 1; | |||
740 | if (bits) | |||
741 | bits |= 2; | |||
742 | n |= bits << (2 * i); | |||
743 | } | |||
744 | return n; | |||
745 | case UAUDIO_V20x200: | |||
746 | break; | |||
747 | } | |||
748 | return ctl; | |||
749 | } | |||
750 | ||||
751 | /* | |||
752 | * Initialize a uaudio_ranges to the empty set | |||
753 | */ | |||
754 | void | |||
755 | uaudio_ranges_init(struct uaudio_ranges *r) | |||
756 | { | |||
757 | r->el = NULL((void *)0); | |||
758 | r->nval = 0; | |||
759 | } | |||
760 | ||||
761 | /* | |||
762 | * Add the given range to the uaudio_ranges structures. Ranges are | |||
763 | * not supposed to overlap (required by USB spec). If they do we just | |||
764 | * return. | |||
765 | */ | |||
766 | void | |||
767 | uaudio_ranges_add(struct uaudio_ranges *r, int min, int max, int res) | |||
768 | { | |||
769 | struct uaudio_ranges_el *e, **pe; | |||
770 | ||||
771 | if (min > max) { | |||
772 | DPRINTF("%s: [%d:%d]/%d: bad range\n", __func__,do {} while(0) | |||
773 | min, max, res)do {} while(0); | |||
774 | return; | |||
775 | } | |||
776 | ||||
777 | for (pe = &r->el; (e = *pe) != NULL((void *)0); pe = &e->next) { | |||
778 | if (min <= e->max && max >= e->min) { | |||
779 | DPRINTF("%s: overlapping ranges\n", __func__)do {} while(0); | |||
780 | return; | |||
781 | } | |||
782 | if (min < e->max) | |||
783 | break; | |||
784 | } | |||
785 | ||||
786 | /* XXX: use 'res' here */ | |||
787 | r->nval += max - min + 1; | |||
788 | ||||
789 | e = malloc(sizeof(struct uaudio_ranges_el), M_USBDEV102, M_WAITOK0x0001); | |||
790 | e->min = min; | |||
791 | e->max = max; | |||
792 | e->res = res; | |||
793 | e->next = *pe; | |||
794 | *pe = e; | |||
795 | } | |||
796 | ||||
797 | /* | |||
798 | * Free all ranges making the uaudio_ranges the empty set | |||
799 | */ | |||
800 | void | |||
801 | uaudio_ranges_clear(struct uaudio_ranges *r) | |||
802 | { | |||
803 | struct uaudio_ranges_el *e; | |||
804 | ||||
805 | while ((e = r->el) != NULL((void *)0)) { | |||
806 | r->el = e->next; | |||
807 | free(e, M_USBDEV102, sizeof(struct uaudio_ranges_el)); | |||
808 | } | |||
809 | r->nval = 0; | |||
810 | } | |||
811 | ||||
812 | /* | |||
813 | * Convert a value in the given uaudio_ranges, into a 0..255 integer | |||
814 | * suitable for mixer usage | |||
815 | */ | |||
816 | int | |||
817 | uaudio_ranges_decode(struct uaudio_ranges *r, int val) | |||
818 | { | |||
819 | struct uaudio_ranges_el *e; | |||
820 | int diff, pos; | |||
821 | ||||
822 | pos = 0; | |||
823 | ||||
824 | for (e = r->el; e != NULL((void *)0); e = e->next) { | |||
825 | if (val >= e->min && val <= e->max) { | |||
826 | pos += val - e->min; | |||
827 | return (r->nval == 1) ? 0 : | |||
828 | (pos * 255 + (r->nval - 1) / 2) / (r->nval - 1); | |||
829 | } | |||
830 | diff = e->max - e->min + 1; | |||
831 | pos += diff; | |||
832 | } | |||
833 | return 0; | |||
834 | } | |||
835 | ||||
836 | /* | |||
837 | * Convert a 0..255 to a value in the uaudio_ranges suitable for a USB | |||
838 | * request. | |||
839 | */ | |||
840 | unsigned int | |||
841 | uaudio_ranges_encode(struct uaudio_ranges *r, int val) | |||
842 | { | |||
843 | struct uaudio_ranges_el *e; | |||
844 | int diff, pos; | |||
845 | ||||
846 | pos = (val * (r->nval - 1) + 127) / 255; | |||
847 | ||||
848 | for (e = r->el; e != NULL((void *)0); e = e->next) { | |||
849 | diff = e->max - e->min + 1; | |||
850 | if (pos < diff) | |||
851 | return e->min + pos; | |||
852 | pos -= diff; | |||
853 | } | |||
854 | return 0; | |||
855 | } | |||
856 | ||||
857 | /* | |||
858 | * Return the bitmap of supported rates included in the given ranges. | |||
859 | * This is not a mixer thing, UAC v2.0 uses ranges to report sample | |||
860 | * rates. | |||
861 | */ | |||
862 | int | |||
863 | uaudio_ranges_getrates(struct uaudio_ranges *r, | |||
864 | unsigned int mult, unsigned int div) | |||
865 | { | |||
866 | struct uaudio_ranges_el *e; | |||
867 | int rates, i, v; | |||
868 | ||||
869 | rates = 0; | |||
870 | ||||
871 | for (e = r->el; e != NULL((void *)0); e = e->next) { | |||
872 | for (i = 0; i < nitems(uaudio_rates)(sizeof((uaudio_rates)) / sizeof((uaudio_rates)[0])); i++) { | |||
873 | v = (unsigned long long)uaudio_rates[i] * mult / div; | |||
874 | if (v < e->min || v > e->max) | |||
875 | continue; | |||
876 | if (e->res == 0 || v - e->min % e->res == 0) | |||
877 | rates |= 1 << i; | |||
878 | } | |||
879 | } | |||
880 | ||||
881 | return rates; | |||
882 | } | |||
883 | ||||
884 | /* | |||
885 | * Return the index in the uaudio_rates[] array of rate closest to the | |||
886 | * given rate in Hz. | |||
887 | */ | |||
888 | int | |||
889 | uaudio_rates_indexof(int mask, int rate) | |||
890 | { | |||
891 | int i, diff, best_index, best_diff; | |||
892 | ||||
893 | best_index = -1; | |||
894 | best_diff = INT_MAX0x7fffffff; | |||
895 | for (i = 0; i < nitems(uaudio_rates)(sizeof((uaudio_rates)) / sizeof((uaudio_rates)[0])); i++) { | |||
896 | if ((mask & (1 << i)) == 0) | |||
897 | continue; | |||
898 | diff = uaudio_rates[i] - rate; | |||
899 | if (diff < 0) | |||
900 | diff = -diff; | |||
901 | if (diff < best_diff) { | |||
902 | best_index = i; | |||
903 | best_diff = diff; | |||
904 | } | |||
905 | } | |||
906 | return best_index; | |||
907 | } | |||
908 | ||||
909 | /* | |||
910 | * Do a request that results in a uaudio_ranges. On UAC v1.0, this is | |||
911 | * simply a min/max/res triplet. On UAC v2.0, this is an array of | |||
912 | * min/max/res triplets. | |||
913 | */ | |||
914 | int | |||
915 | uaudio_req_ranges(struct uaudio_softc *sc, | |||
916 | unsigned int opsize, | |||
917 | unsigned int sel, | |||
918 | unsigned int chan, | |||
919 | unsigned int ifnum, | |||
920 | unsigned int id, | |||
921 | struct uaudio_ranges *r) | |||
922 | { | |||
923 | unsigned char req_buf[16], *req = NULL((void *)0); | |||
924 | size_t req_size; | |||
925 | struct uaudio_blob p; | |||
926 | unsigned int count, min, max, res; | |||
927 | int i; | |||
928 | ||||
929 | switch (sc->version) { | |||
930 | case UAUDIO_V10x100: | |||
931 | count = 1; | |||
932 | req = req_buf; | |||
933 | p.rptr = p.wptr = req; | |||
934 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
935 | UAUDIO_V1_REQ_GET_MIN0x82, sel, chan, | |||
936 | ifnum, id, p.wptr, opsize)) | |||
937 | return 0; | |||
938 | p.wptr += opsize; | |||
939 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
940 | UAUDIO_V1_REQ_GET_MAX0x83, sel, chan, | |||
941 | ifnum, id, p.wptr, opsize)) | |||
942 | return 0; | |||
943 | p.wptr += opsize; | |||
944 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
945 | UAUDIO_V1_REQ_GET_RES0x84, sel, chan, | |||
946 | ifnum, id, p.wptr, opsize)) | |||
947 | return 0; | |||
948 | p.wptr += opsize; | |||
949 | break; | |||
950 | case UAUDIO_V20x200: | |||
951 | /* fetch the ranges count only (first 2 bytes) */ | |||
952 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
953 | UAUDIO_V2_REQ_RANGES2, sel, chan, | |||
954 | ifnum, id, req_buf, 2)) | |||
955 | return 0; | |||
956 | ||||
957 | /* count is at most 65535 */ | |||
958 | count = req_buf[0] | req_buf[1] << 8; | |||
959 | ||||
960 | /* restart the request on a large enough buffer */ | |||
961 | req_size = 2 + 3 * opsize * count; | |||
962 | if (sizeof(req_buf) >= req_size) | |||
963 | req = req_buf; | |||
964 | else | |||
965 | req = malloc(req_size, M_USBDEV102, M_WAITOK0x0001); | |||
966 | ||||
967 | p.rptr = p.wptr = req; | |||
968 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
969 | UAUDIO_V2_REQ_RANGES2, sel, chan, | |||
970 | ifnum, id, p.wptr, req_size)) | |||
971 | return 0; | |||
972 | p.wptr += req_size; | |||
973 | ||||
974 | /* skip initial 2 bytes of count */ | |||
975 | p.rptr += 2; | |||
976 | break; | |||
977 | } | |||
978 | ||||
979 | for (i = 0; i < count; i++) { | |||
980 | if (!uaudio_getnum(&p, opsize, &min)) | |||
981 | return 0; | |||
982 | if (!uaudio_getnum(&p, opsize, &max)) | |||
983 | return 0; | |||
984 | if (!uaudio_getnum(&p, opsize, &res)) | |||
985 | return 0; | |||
986 | uaudio_ranges_add(r, | |||
987 | uaudio_sign_expand(min, opsize), | |||
988 | uaudio_sign_expand(max, opsize), | |||
989 | uaudio_sign_expand(res, opsize)); | |||
990 | } | |||
991 | ||||
992 | if (req != req_buf) | |||
993 | free(req, M_USBDEV102, req_size); | |||
994 | ||||
995 | return 1; | |||
996 | } | |||
997 | ||||
998 | /* | |||
999 | * Return the rates bitmap of the given interface alt setting | |||
1000 | */ | |||
1001 | int | |||
1002 | uaudio_alt_getrates(struct uaudio_softc *sc, struct uaudio_alt *p) | |||
1003 | { | |||
1004 | struct uaudio_unit *u; | |||
1005 | unsigned int mult = 1, div = 1; | |||
1006 | ||||
1007 | switch (sc->version) { | |||
1008 | case UAUDIO_V10x100: | |||
1009 | return p->v1_rates; | |||
1010 | case UAUDIO_V20x200: | |||
1011 | u = sc->clock; | |||
1012 | while (1) { | |||
1013 | switch (u->type) { | |||
1014 | case UAUDIO_AC_CLKSRC0xa: | |||
1015 | return uaudio_ranges_getrates(&u->rates, | |||
1016 | mult, div); | |||
1017 | case UAUDIO_AC_CLKSEL0xb: | |||
1018 | u = u->clock; | |||
1019 | break; | |||
1020 | case UAUDIO_AC_CLKMULT0xc: | |||
1021 | case UAUDIO_AC_RATECONV0xd: | |||
1022 | /* XXX: adjust rate with multiplier */ | |||
1023 | u = u->src_list; | |||
1024 | break; | |||
1025 | default: | |||
1026 | DPRINTF("%s: no clock\n", __func__)do {} while(0); | |||
1027 | return 0; | |||
1028 | } | |||
1029 | } | |||
1030 | } | |||
1031 | return 0; | |||
1032 | } | |||
1033 | ||||
1034 | /* | |||
1035 | * return the clock unit of the given terminal unit (v2 only) | |||
1036 | */ | |||
1037 | int | |||
1038 | uaudio_clock_id(struct uaudio_softc *sc) | |||
1039 | { | |||
1040 | struct uaudio_unit *u; | |||
1041 | ||||
1042 | u = sc->clock; | |||
1043 | while (1) { | |||
1044 | if (u == NULL((void *)0)) { | |||
1045 | DPRINTF("%s: NULL clock pointer\n", __func__)do {} while(0); | |||
1046 | return -1; | |||
1047 | } | |||
1048 | switch (u->type) { | |||
1049 | case UAUDIO_AC_CLKSRC0xa: | |||
1050 | return u->id; | |||
1051 | case UAUDIO_AC_CLKSEL0xb: | |||
1052 | u = u->clock; | |||
1053 | break; | |||
1054 | case UAUDIO_AC_CLKMULT0xc: | |||
1055 | case UAUDIO_AC_RATECONV0xd: | |||
1056 | u = u->src_list; | |||
1057 | break; | |||
1058 | default: | |||
1059 | DPRINTF("%s: no clock\n", __func__)do {} while(0); | |||
1060 | return -1; | |||
1061 | } | |||
1062 | } | |||
1063 | } | |||
1064 | ||||
1065 | /* | |||
1066 | * Return the rates bitmap of the given parameters setting | |||
1067 | */ | |||
1068 | int | |||
1069 | uaudio_getrates(struct uaudio_softc *sc, struct uaudio_params *p) | |||
1070 | { | |||
1071 | switch (sc->version) { | |||
1072 | case UAUDIO_V10x100: | |||
1073 | return p->v1_rates; | |||
1074 | case UAUDIO_V20x200: | |||
1075 | return uaudio_alt_getrates(sc, p->palt ? p->palt : p->ralt); | |||
1076 | } | |||
1077 | return 0; | |||
1078 | } | |||
1079 | ||||
1080 | /* | |||
1081 | * Add the given feature (aka mixer control) to the given unit. | |||
1082 | */ | |||
1083 | void | |||
1084 | uaudio_feature_addent(struct uaudio_softc *sc, | |||
1085 | struct uaudio_unit *u, int uac_type, int chan) | |||
1086 | { | |||
1087 | static struct { | |||
1088 | char *name; | |||
1089 | int mix_type; | |||
1090 | int req_sel; | |||
1091 | } features[] = { | |||
1092 | {"mute", UAUDIO_MIX_SW0, UAUDIO_REQSEL_MUTE0x01}, | |||
1093 | {"level", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_VOLUME0x02}, | |||
1094 | {"bass", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_BASS0x03}, | |||
1095 | {"mid", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_MID0x04}, | |||
1096 | {"treble", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_TREBLE0x05}, | |||
1097 | {"eq", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_EQ0x06}, | |||
1098 | {"agc", UAUDIO_MIX_SW0, UAUDIO_REQSEL_AGC0x07}, | |||
1099 | {NULL((void *)0), -1, -1}, /* delay */ | |||
1100 | {"bassboost", UAUDIO_MIX_SW0, UAUDIO_REQSEL_BASSBOOST0x09}, | |||
1101 | {"loud", UAUDIO_MIX_SW0, UAUDIO_REQSEL_LOUDNESS0x0a}, | |||
1102 | {"gain", UAUDIO_MIX_NUM1, UAUDIO_REQSEL_GAIN0x0b}, | |||
1103 | {"gainpad", UAUDIO_MIX_SW0, UAUDIO_REQSEL_GAINPAD0x0c}, | |||
1104 | {"phase", UAUDIO_MIX_SW0, UAUDIO_REQSEL_PHASEINV0x0d}, | |||
1105 | {NULL((void *)0), -1, -1}, /* underflow */ | |||
1106 | {NULL((void *)0), -1, -1} /* overflow */ | |||
1107 | }; | |||
1108 | struct uaudio_mixent *m, *i, **pi; | |||
1109 | int cmp; | |||
1110 | ||||
1111 | if (uac_type >= sizeof(features) / sizeof(features[0])) { | |||
1112 | printf("%s: skipped unknown feature\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
1113 | return; | |||
1114 | } | |||
1115 | ||||
1116 | m = malloc(sizeof(struct uaudio_mixent), M_USBDEV102, M_WAITOK0x0001); | |||
1117 | m->chan = chan; | |||
1118 | m->fname = features[uac_type].name; | |||
1119 | m->type = features[uac_type].mix_type; | |||
1120 | m->req_sel = features[uac_type].req_sel; | |||
1121 | uaudio_ranges_init(&m->ranges); | |||
1122 | ||||
1123 | if (m->type == UAUDIO_MIX_NUM1) { | |||
1124 | if (!uaudio_req_ranges(sc, 2, | |||
1125 | m->req_sel, chan < 0 ? 0 : chan + 1, | |||
1126 | sc->ctl_ifnum, u->id, | |||
1127 | &m->ranges)) { | |||
1128 | printf("%s: failed to get ranges for %s control\n", | |||
1129 | DEVNAME(sc)((sc)->dev.dv_xname), m->fname); | |||
1130 | free(m, M_USBDEV102, sizeof(struct uaudio_mixent)); | |||
1131 | return; | |||
1132 | } | |||
1133 | if (m->ranges.el == NULL((void *)0)) { | |||
1134 | printf("%s: skipped %s control with empty range\n", | |||
1135 | DEVNAME(sc)((sc)->dev.dv_xname), m->fname); | |||
1136 | free(m, M_USBDEV102, sizeof(struct uaudio_mixent)); | |||
1137 | return; | |||
1138 | } | |||
1139 | #ifdef UAUDIO_DEBUG | |||
1140 | if (uaudio_debug) | |||
1141 | uaudio_ranges_print(&m->ranges); | |||
1142 | #endif | |||
1143 | } | |||
1144 | ||||
1145 | /* | |||
1146 | * Add to unit's mixer controls list, sorting entries by name | |||
1147 | * and increasing channel number. | |||
1148 | */ | |||
1149 | for (pi = &u->mixent_list; (i = *pi) != NULL((void *)0); pi = &i->next) { | |||
1150 | cmp = strcmp(i->fname, m->fname); | |||
1151 | if (cmp == 0) | |||
1152 | cmp = i->chan - m->chan; | |||
1153 | if (cmp == 0) { | |||
1154 | DPRINTF("%02u: %s.%s: duplicate feature for chan %d\n",do {} while(0) | |||
1155 | u->id, u->name, m->fname, m->chan)do {} while(0); | |||
1156 | free(m, M_USBDEV102, sizeof(struct uaudio_mixent)); | |||
1157 | return; | |||
1158 | } | |||
1159 | if (cmp > 0) | |||
1160 | break; | |||
1161 | } | |||
1162 | m->next = *pi; | |||
1163 | *pi = m; | |||
1164 | ||||
1165 | DPRINTF("\t%s[%d]\n", m->fname, m->chan)do {} while(0); | |||
1166 | } | |||
1167 | ||||
1168 | /* | |||
1169 | * For the given unit, parse the list of its sources and recursively | |||
1170 | * call uaudio_process_unit() for each. | |||
1171 | */ | |||
1172 | int | |||
1173 | uaudio_process_srcs(struct uaudio_softc *sc, | |||
1174 | struct uaudio_unit *u, struct uaudio_blob units, | |||
1175 | struct uaudio_blob *p) | |||
1176 | { | |||
1177 | struct uaudio_unit *s, **ps; | |||
1178 | unsigned int i, npin, sid; | |||
1179 | ||||
1180 | if (!uaudio_getnum(p, 1, &npin)) | |||
1181 | return 0; | |||
1182 | ps = &u->src_list; | |||
1183 | for (i = 0; i < npin; i++) { | |||
1184 | if (!uaudio_getnum(p, 1, &sid)) | |||
1185 | return 0; | |||
1186 | if (!uaudio_process_unit(sc, u, sid, units, &s)) | |||
1187 | return 0; | |||
1188 | s->src_next = NULL((void *)0); | |||
1189 | *ps = s; | |||
1190 | ps = &s->src_next; | |||
1191 | } | |||
1192 | return 1; | |||
1193 | } | |||
1194 | ||||
1195 | /* | |||
1196 | * Parse the number of channels. | |||
1197 | */ | |||
1198 | int | |||
1199 | uaudio_process_nch(struct uaudio_softc *sc, | |||
1200 | struct uaudio_unit *u, struct uaudio_blob *p) | |||
1201 | { | |||
1202 | if (!uaudio_getnum(p, 1, &u->nch)) | |||
1203 | return 0; | |||
1204 | /* skip junk */ | |||
1205 | switch (sc->version) { | |||
1206 | case UAUDIO_V10x100: | |||
1207 | if (!uaudio_getnum(p, 2, NULL((void *)0))) /* bmChannelConfig */ | |||
1208 | return 0; | |||
1209 | break; | |||
1210 | case UAUDIO_V20x200: | |||
1211 | if (!uaudio_getnum(p, 4, NULL((void *)0))) /* wChannelConfig */ | |||
1212 | return 0; | |||
1213 | break; | |||
1214 | } | |||
1215 | if (!uaudio_getnum(p, 1, NULL((void *)0))) /* iChannelNames */ | |||
1216 | return 0; | |||
1217 | return 1; | |||
1218 | } | |||
1219 | ||||
1220 | /* | |||
1221 | * Find the AC class-specific descriptor for this unit id. | |||
1222 | */ | |||
1223 | int | |||
1224 | uaudio_unit_getdesc(struct uaudio_softc *sc, int id, | |||
1225 | struct uaudio_blob units, | |||
1226 | struct uaudio_blob *p, | |||
1227 | unsigned int *rtype) | |||
1228 | { | |||
1229 | unsigned int i, type, subtype; | |||
1230 | ||||
1231 | /* | |||
1232 | * Find the usb descriptor for this id. | |||
1233 | */ | |||
1234 | while (1) { | |||
1235 | if (units.rptr == units.wptr) { | |||
1236 | DPRINTF("%s: %02u: not found\n", __func__, id)do {} while(0); | |||
1237 | return 0; | |||
1238 | } | |||
1239 | if (!uaudio_getdesc(&units, p)) | |||
1240 | return 0; | |||
1241 | if (!uaudio_getnum(p, 1, &type)) | |||
1242 | return 0; | |||
1243 | if (!uaudio_getnum(p, 1, &subtype)) | |||
1244 | return 0; | |||
1245 | if (!uaudio_getnum(p, 1, &i)) | |||
1246 | return 0; | |||
1247 | if (i == id) | |||
1248 | break; | |||
1249 | } | |||
1250 | *rtype = subtype; | |||
1251 | return 1; | |||
1252 | } | |||
1253 | ||||
1254 | /* | |||
1255 | * Parse a unit, possibly calling uaudio_process_unit() for each of | |||
1256 | * its sources. | |||
1257 | */ | |||
1258 | int | |||
1259 | uaudio_process_unit(struct uaudio_softc *sc, | |||
1260 | struct uaudio_unit *dest, int id, | |||
1261 | struct uaudio_blob units, | |||
1262 | struct uaudio_unit **rchild) | |||
1263 | { | |||
1264 | struct uaudio_blob p; | |||
1265 | struct uaudio_unit *u, *s; | |||
1266 | unsigned int i, j, size, ctl, type, subtype, assoc, clk; | |||
1267 | #ifdef UAUDIO_DEBUG | |||
1268 | unsigned int bit; | |||
1269 | #endif | |||
1270 | ||||
1271 | if (!uaudio_unit_getdesc(sc, id, units, &p, &subtype)) | |||
1272 | return 0; | |||
1273 | ||||
1274 | /* | |||
1275 | * find this unit on the list as it may be already processed as | |||
1276 | * the source of another destination | |||
1277 | */ | |||
1278 | u = uaudio_unit_byid(sc, id); | |||
1279 | if (u == NULL((void *)0)) { | |||
1280 | u = malloc(sizeof(struct uaudio_unit), M_USBDEV102, M_WAITOK0x0001); | |||
1281 | u->id = id; | |||
1282 | u->type = subtype; | |||
1283 | u->term = 0; | |||
1284 | u->src_list = NULL((void *)0); | |||
1285 | u->dst_list = NULL((void *)0); | |||
1286 | u->clock = NULL((void *)0); | |||
1287 | u->mixent_list = NULL((void *)0); | |||
1288 | u->nch = 0; | |||
1289 | u->name[0] = 0; | |||
1290 | uaudio_ranges_init(&u->rates); | |||
1291 | u->unit_next = sc->unit_list; | |||
1292 | sc->unit_list = u; | |||
1293 | } else { | |||
1294 | switch (u->type) { | |||
1295 | case UAUDIO_AC_CLKSRC0xa: | |||
1296 | case UAUDIO_AC_CLKSEL0xb: | |||
1297 | case UAUDIO_AC_CLKMULT0xc: | |||
1298 | case UAUDIO_AC_RATECONV0xd: | |||
1299 | /* not using 'dest' list */ | |||
1300 | *rchild = u; | |||
1301 | return 1; | |||
1302 | } | |||
1303 | } | |||
1304 | ||||
1305 | if (dest) { | |||
1306 | dest->dst_next = u->dst_list; | |||
1307 | u->dst_list = dest; | |||
1308 | if (dest->dst_next != NULL((void *)0)) { | |||
1309 | /* already seen */ | |||
1310 | *rchild = u; | |||
1311 | return 1; | |||
1312 | } | |||
1313 | } | |||
1314 | ||||
1315 | switch (u->type) { | |||
1316 | case UAUDIO_AC_INPUT0x2: | |||
1317 | if (!uaudio_getnum(&p, 2, &u->term)) | |||
1318 | return 0; | |||
1319 | if (!uaudio_getnum(&p, 1, &assoc)) | |||
1320 | return 0; | |||
1321 | if (u->term >> 8 != 1) | |||
1322 | sc->nin++; | |||
1323 | switch (sc->version) { | |||
1324 | case UAUDIO_V10x100: | |||
1325 | break; | |||
1326 | case UAUDIO_V20x200: | |||
1327 | if (!uaudio_getnum(&p, 1, &clk)) | |||
1328 | return 0; | |||
1329 | if (!uaudio_process_unit(sc, NULL((void *)0), | |||
1330 | clk, units, &u->clock)) | |||
1331 | return 0; | |||
1332 | break; | |||
1333 | } | |||
1334 | if (!uaudio_getnum(&p, 1, &u->nch)) | |||
1335 | return 0; | |||
1336 | DPRINTF("%02u: "do {} while(0) | |||
1337 | "in, nch = %d, term = 0x%x, assoc = %d\n",do {} while(0) | |||
1338 | u->id, u->nch, u->term, assoc)do {} while(0); | |||
1339 | break; | |||
1340 | case UAUDIO_AC_OUTPUT0x3: | |||
1341 | if (!uaudio_getnum(&p, 2, &u->term)) | |||
1342 | return 0; | |||
1343 | if (!uaudio_getnum(&p, 1, &assoc)) | |||
1344 | return 0; | |||
1345 | if (!uaudio_getnum(&p, 1, &id)) | |||
1346 | return 0; | |||
1347 | if (!uaudio_process_unit(sc, u, id, units, &s)) | |||
1348 | return 0; | |||
1349 | if (u->term >> 8 != 1) | |||
1350 | sc->nout++; | |||
1351 | switch (sc->version) { | |||
1352 | case UAUDIO_V10x100: | |||
1353 | break; | |||
1354 | case UAUDIO_V20x200: | |||
1355 | if (!uaudio_getnum(&p, 1, &clk)) | |||
1356 | return 0; | |||
1357 | if (!uaudio_process_unit(sc, NULL((void *)0), | |||
1358 | clk, units, &u->clock)) | |||
1359 | return 0; | |||
1360 | break; | |||
1361 | } | |||
1362 | u->src_list = s; | |||
1363 | s->src_next = NULL((void *)0); | |||
1364 | u->nch = s->nch; | |||
1365 | DPRINTF("%02u: "do {} while(0) | |||
1366 | "out, id = %d, nch = %d, term = 0x%x, assoc = %d\n",do {} while(0) | |||
1367 | u->id, id, u->nch, u->term, assoc)do {} while(0); | |||
1368 | break; | |||
1369 | case UAUDIO_AC_MIXER0x4: | |||
1370 | if (!uaudio_process_srcs(sc, u, units, &p)) | |||
1371 | return 0; | |||
1372 | if (!uaudio_process_nch(sc, u, &p)) | |||
1373 | return 0; | |||
1374 | DPRINTF("%02u: mixer, nch = %u:\n", u->id, u->nch)do {} while(0); | |||
1375 | ||||
1376 | #ifdef UAUDIO_DEBUG | |||
1377 | /* | |||
1378 | * Print the list of available mixer's unit knobs (a bit | |||
1379 | * matrix). Matrix mixers are rare because levels are | |||
1380 | * already controlled by feature units, making the mixer | |||
1381 | * knobs redundant with the feature's knobs. So, for | |||
1382 | * now, we don't add clutter to the mixer(4) interface | |||
1383 | * and ignore all knobs. Other popular OSes doesn't | |||
1384 | * seem to expose them either. | |||
1385 | */ | |||
1386 | bit = 0; | |||
1387 | for (s = u->src_list; s != NULL((void *)0); s = s->src_next) { | |||
1388 | for (i = 0; i < s->nch; i++) { | |||
1389 | for (j = 0; j < u->nch; j++) { | |||
1390 | if ((bit++ & 7) == 0) { | |||
1391 | if (!uaudio_getnum(&p, 1, &ctl)) | |||
1392 | return 0; | |||
1393 | } | |||
1394 | if (ctl & 0x80) | |||
1395 | DPRINTF("\t%02u[%d] -> [%d]\n",do {} while(0) | |||
1396 | s->id, i, j)do {} while(0); | |||
1397 | ctl <<= 1; | |||
1398 | } | |||
1399 | } | |||
1400 | } | |||
1401 | #endif | |||
1402 | break; | |||
1403 | case UAUDIO_AC_SELECTOR0x5: | |||
1404 | /* | |||
1405 | * Selectors are extremely rare, so not supported yet. | |||
1406 | */ | |||
1407 | if (!uaudio_process_srcs(sc, u, units, &p)) | |||
1408 | return 0; | |||
1409 | if (u->src_list == NULL((void *)0)) { | |||
1410 | printf("%s: selector %02u has no sources\n", | |||
1411 | DEVNAME(sc)((sc)->dev.dv_xname), u->id); | |||
1412 | return 0; | |||
1413 | } | |||
1414 | u->nch = u->src_list->nch; | |||
1415 | DPRINTF("%02u: selector, nch = %u\n", u->id, u->nch)do {} while(0); | |||
1416 | break; | |||
1417 | case UAUDIO_AC_FEATURE0x6: | |||
1418 | if (!uaudio_getnum(&p, 1, &id)) | |||
1419 | return 0; | |||
1420 | if (!uaudio_process_unit(sc, u, id, units, &s)) | |||
1421 | return 0; | |||
1422 | s->src_next = u->src_list; | |||
1423 | u->src_list = s; | |||
1424 | u->nch = s->nch; | |||
1425 | switch (sc->version) { | |||
1426 | case UAUDIO_V10x100: | |||
1427 | if (!uaudio_getnum(&p, 1, &size)) | |||
1428 | return 0; | |||
1429 | break; | |||
1430 | case UAUDIO_V20x200: | |||
1431 | size = 4; | |||
1432 | break; | |||
1433 | } | |||
1434 | DPRINTF("%02d: feature id = %d, nch = %d, size = %d\n",do {} while(0) | |||
1435 | u->id, id, u->nch, size)do {} while(0); | |||
1436 | ||||
1437 | if (!uaudio_getnum(&p, size, &ctl)) | |||
1438 | return 0; | |||
1439 | ctl = uaudio_feature_fixup(sc, ctl); | |||
1440 | for (i = 0; i < 16; i++) { | |||
1441 | if ((ctl & 3) == 3) | |||
1442 | uaudio_feature_addent(sc, u, i, -1); | |||
1443 | ctl >>= 2; | |||
1444 | } | |||
1445 | ||||
1446 | /* | |||
1447 | * certain devices provide no per-channel control descriptors | |||
1448 | */ | |||
1449 | if (p.wptr - p.rptr == 1) | |||
1450 | break; | |||
1451 | ||||
1452 | for (j = 0; j < u->nch; j++) { | |||
1453 | if (!uaudio_getnum(&p, size, &ctl)) | |||
1454 | return 0; | |||
1455 | ctl = uaudio_feature_fixup(sc, ctl); | |||
1456 | for (i = 0; i < 16; i++) { | |||
1457 | if ((ctl & 3) == 3) | |||
1458 | uaudio_feature_addent(sc, u, i, j); | |||
1459 | ctl >>= 2; | |||
1460 | } | |||
1461 | } | |||
1462 | break; | |||
1463 | case UAUDIO_AC_EFFECT0x7: | |||
1464 | if (!uaudio_getnum(&p, 2, &type)) | |||
1465 | return 0; | |||
1466 | if (!uaudio_getnum(&p, 1, &id)) | |||
1467 | return 0; | |||
1468 | if (!uaudio_process_unit(sc, u, id, units, &s)) | |||
1469 | return 0; | |||
1470 | s->src_next = u->src_list; | |||
1471 | u->src_list = s; | |||
1472 | u->nch = s->nch; | |||
1473 | DPRINTF("%02d: effect, type = %u, id = %d, nch = %d\n",do {} while(0) | |||
1474 | u->id, type, id, u->nch)do {} while(0); | |||
1475 | break; | |||
1476 | case UAUDIO_AC_PROCESSING0x8: | |||
1477 | case UAUDIO_AC_EXTENSION0x9: | |||
1478 | if (!uaudio_getnum(&p, 2, &type)) | |||
1479 | return 0; | |||
1480 | if (!uaudio_process_srcs(sc, u, units, &p)) | |||
1481 | return 0; | |||
1482 | if (!uaudio_process_nch(sc, u, &p)) | |||
1483 | return 0; | |||
1484 | DPRINTF("%02u: proc/ext, type = 0x%x, nch = %u\n",do {} while(0) | |||
1485 | u->id, type, u->nch)do {} while(0); | |||
1486 | for (s = u->src_list; s != NULL((void *)0); s = s->src_next) { | |||
1487 | DPRINTF("%u:\tpin %u:\n", u->id, s->id)do {} while(0); | |||
1488 | } | |||
1489 | break; | |||
1490 | case UAUDIO_AC_CLKSRC0xa: | |||
1491 | if (!uaudio_getnum(&p, 1, &u->term)) | |||
1492 | return 0; | |||
1493 | if (!uaudio_getnum(&p, 1, &ctl)) | |||
1494 | return 0; | |||
1495 | DPRINTF("%02u: clock source, attr = 0x%x, ctl = 0x%x\n",do {} while(0) | |||
1496 | u->id, u->term, ctl)do {} while(0); | |||
1497 | break; | |||
1498 | case UAUDIO_AC_CLKSEL0xb: | |||
1499 | DPRINTF("%02u: clock sel\n", u->id)do {} while(0); | |||
1500 | if (!uaudio_process_srcs(sc, u, units, &p)) | |||
1501 | return 0; | |||
1502 | if (u->src_list == NULL((void *)0)) { | |||
1503 | printf("%s: clock selector %02u with no srcs\n", | |||
1504 | DEVNAME(sc)((sc)->dev.dv_xname), u->id); | |||
1505 | return 0; | |||
1506 | } | |||
1507 | break; | |||
1508 | case UAUDIO_AC_CLKMULT0xc: | |||
1509 | DPRINTF("%02u: clock mult\n", u->id)do {} while(0); | |||
1510 | ||||
1511 | /* XXX: fetch multiplier */ | |||
1512 | printf("%s: clock multiplier not supported\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
1513 | break; | |||
1514 | case UAUDIO_AC_RATECONV0xd: | |||
1515 | DPRINTF("%02u: rate conv\n", u->id)do {} while(0); | |||
1516 | ||||
1517 | /* XXX: fetch multiplier */ | |||
1518 | printf("%s: rate converter not supported\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
1519 | break; | |||
1520 | } | |||
1521 | if (rchild) | |||
1522 | *rchild = u; | |||
1523 | return 1; | |||
1524 | } | |||
1525 | ||||
1526 | /* | |||
1527 | * Try to set the unit name to the name of its destination terminal. If | |||
1528 | * the name is ambiguous (already given to another source unit or having | |||
1529 | * multiple destinations) then return 0. | |||
1530 | */ | |||
1531 | int | |||
1532 | uaudio_setname_dsts(struct uaudio_softc *sc, struct uaudio_unit *u, char *name) | |||
1533 | { | |||
1534 | struct uaudio_unit *d = u; | |||
1535 | ||||
1536 | while (d != NULL((void *)0)) { | |||
1537 | if (d->dst_list == NULL((void *)0) || d->dst_list->dst_next != NULL((void *)0)) | |||
1538 | break; | |||
1539 | d = d->dst_list; | |||
1540 | if (d->src_list == NULL((void *)0) || d->src_list->src_next != NULL((void *)0)) | |||
1541 | break; | |||
1542 | if (d->name[0] != '\0') { | |||
1543 | if (name != NULL((void *)0) && strcmp(name, d->name) != 0) | |||
1544 | break; | |||
1545 | strlcpy(u->name, d->name, UAUDIO_NAMEMAX16); | |||
1546 | return 1; | |||
1547 | } | |||
1548 | } | |||
1549 | return 0; | |||
1550 | } | |||
1551 | ||||
1552 | /* | |||
1553 | * Try to set the unit name to the name of its source terminal. If the | |||
1554 | * name is ambiguous (already given to another destination unit or | |||
1555 | * having multiple sources) then return 0. | |||
1556 | */ | |||
1557 | int | |||
1558 | uaudio_setname_srcs(struct uaudio_softc *sc, struct uaudio_unit *u, char *name) | |||
1559 | { | |||
1560 | struct uaudio_unit *s = u; | |||
1561 | ||||
1562 | while (s != NULL((void *)0)) { | |||
1563 | if (s->src_list == NULL((void *)0) || s->src_list->src_next != NULL((void *)0)) | |||
1564 | break; | |||
1565 | s = s->src_list; | |||
1566 | if (s->dst_list == NULL((void *)0) || s->dst_list->dst_next != NULL((void *)0)) | |||
1567 | break; | |||
1568 | if (s->name[0] != '\0') { | |||
1569 | if (name != NULL((void *)0) && strcmp(name, s->name) != 0) | |||
1570 | break; | |||
1571 | strlcpy(u->name, s->name, UAUDIO_NAMEMAX16); | |||
1572 | return 1; | |||
1573 | } | |||
1574 | } | |||
1575 | return 0; | |||
1576 | } | |||
1577 | ||||
1578 | /* | |||
1579 | * Set the name of the given unit by using both its source and | |||
1580 | * destination units. This is naming scheme is only useful to units | |||
1581 | * that would have ambiguous names if only sources or only destination | |||
1582 | * were used. | |||
1583 | */ | |||
1584 | void | |||
1585 | uaudio_setname_middle(struct uaudio_softc *sc, struct uaudio_unit *u) | |||
1586 | { | |||
1587 | struct uaudio_unit *s, *d; | |||
1588 | char name[UAUDIO_NAMEMAX16]; | |||
1589 | ||||
1590 | s = u->src_list; | |||
1591 | while (1) { | |||
1592 | if (s == NULL((void *)0)) { | |||
1593 | DPRINTF("%s: %02u: has no srcs\n",do {} while(0) | |||
1594 | __func__, u->id)do {} while(0); | |||
1595 | return; | |||
1596 | } | |||
1597 | if (s->name[0] != '\0') | |||
1598 | break; | |||
1599 | s = s->src_list; | |||
1600 | } | |||
1601 | ||||
1602 | d = u->dst_list; | |||
1603 | while (1) { | |||
1604 | if (d == NULL((void *)0)) { | |||
1605 | DPRINTF("%s: %02u: has no dests\n",do {} while(0) | |||
1606 | __func__, u->id)do {} while(0); | |||
1607 | return; | |||
1608 | } | |||
1609 | if (d->name[0] != '\0') | |||
1610 | break; | |||
1611 | d = d->dst_list; | |||
1612 | } | |||
1613 | ||||
1614 | snprintf(name, UAUDIO_NAMEMAX16, "%s_%s", d->name, s->name); | |||
1615 | uaudio_mkname(sc, name, u->name); | |||
1616 | } | |||
1617 | ||||
1618 | #ifdef UAUDIO_DEBUG | |||
1619 | /* | |||
1620 | * Return the synchronization type name, for debug purposes only. | |||
1621 | */ | |||
1622 | char * | |||
1623 | uaudio_isoname(int isotype) | |||
1624 | { | |||
1625 | switch (isotype) { | |||
1626 | case UE_ISO_ASYNC0x04: | |||
1627 | return "async"; | |||
1628 | case UE_ISO_ADAPT0x08: | |||
1629 | return "adapt"; | |||
1630 | case UE_ISO_SYNC0x0c: | |||
1631 | return "sync"; | |||
1632 | default: | |||
1633 | return "unk"; | |||
1634 | } | |||
1635 | } | |||
1636 | ||||
1637 | /* | |||
1638 | * Return the name of the given mode, debug only | |||
1639 | */ | |||
1640 | char * | |||
1641 | uaudio_modename(int mode) | |||
1642 | { | |||
1643 | switch (mode) { | |||
1644 | case 0: | |||
1645 | return "none"; | |||
1646 | case AUMODE_PLAY0x01: | |||
1647 | return "play"; | |||
1648 | case AUMODE_RECORD0x02: | |||
1649 | return "rec"; | |||
1650 | case AUMODE_PLAY0x01 | AUMODE_RECORD0x02: | |||
1651 | return "duplex"; | |||
1652 | default: | |||
1653 | return "unk"; | |||
1654 | } | |||
1655 | } | |||
1656 | ||||
1657 | /* | |||
1658 | * Return UAC v2.0 endpoint usage, debug only | |||
1659 | */ | |||
1660 | char * | |||
1661 | uaudio_usagename(int usage) | |||
1662 | { | |||
1663 | switch (usage) { | |||
1664 | case UE_ISO_USAGE_DATA0x00: | |||
1665 | return "data"; | |||
1666 | case UE_ISO_USAGE_FEEDBACK0x10: | |||
1667 | return "feed"; | |||
1668 | case UE_ISO_USAGE_IMPL0x20: | |||
1669 | return "impl"; | |||
1670 | default: | |||
1671 | return "unk"; | |||
1672 | } | |||
1673 | } | |||
1674 | ||||
1675 | /* | |||
1676 | * Print a bitmap of rates on the console. | |||
1677 | */ | |||
1678 | void | |||
1679 | uaudio_rates_print(int rates) | |||
1680 | { | |||
1681 | unsigned int i; | |||
1682 | ||||
1683 | for (i = 0; i < nitems(uaudio_rates)(sizeof((uaudio_rates)) / sizeof((uaudio_rates)[0])); i++) { | |||
1684 | if (rates & (1 << i)) | |||
1685 | printf(" %d", uaudio_rates[i]); | |||
1686 | } | |||
1687 | printf("\n"); | |||
1688 | } | |||
1689 | ||||
1690 | ||||
1691 | /* | |||
1692 | * Print uaudio_ranges to console. | |||
1693 | */ | |||
1694 | void | |||
1695 | uaudio_ranges_print(struct uaudio_ranges *r) | |||
1696 | { | |||
1697 | struct uaudio_ranges_el *e; | |||
1698 | int more = 0; | |||
1699 | ||||
1700 | for (e = r->el; e != NULL((void *)0); e = e->next) { | |||
1701 | if (more) | |||
1702 | printf(", "); | |||
1703 | if (e->min == e->max) | |||
1704 | printf("%d", e->min); | |||
1705 | else | |||
1706 | printf("[%d:%d]/%d", e->min, e->max, e->res); | |||
1707 | more = 1; | |||
1708 | } | |||
1709 | printf(" (%d vals)\n", r->nval); | |||
1710 | } | |||
1711 | ||||
1712 | /* | |||
1713 | * Print unit to the console. | |||
1714 | */ | |||
1715 | void | |||
1716 | uaudio_print_unit(struct uaudio_softc *sc, struct uaudio_unit *u) | |||
1717 | { | |||
1718 | struct uaudio_unit *s; | |||
1719 | ||||
1720 | switch (u->type) { | |||
1721 | case UAUDIO_AC_INPUT0x2: | |||
1722 | printf("%02u: input <%s>, dest = %02u <%s>\n", | |||
1723 | u->id, u->name, u->dst_list->id, u->dst_list->name); | |||
1724 | break; | |||
1725 | case UAUDIO_AC_OUTPUT0x3: | |||
1726 | printf("%02u: output <%s>, source = %02u <%s>\n", | |||
1727 | u->id, u->name, u->src_list->id, u->src_list->name); | |||
1728 | break; | |||
1729 | case UAUDIO_AC_MIXER0x4: | |||
1730 | printf("%02u: mixer <%s>:\n", u->id, u->name); | |||
1731 | for (s = u->src_list; s != NULL((void *)0); s = s->src_next) | |||
1732 | printf("%02u:\tsource %u <%s>:\n", | |||
1733 | u->id, s->id, s->name); | |||
1734 | break; | |||
1735 | case UAUDIO_AC_SELECTOR0x5: | |||
1736 | printf("%02u: selector <%s>:\n", u->id, u->name); | |||
1737 | for (s = u->src_list; s != NULL((void *)0); s = s->src_next) | |||
1738 | printf("%02u:\tsource %u <%s>:\n", | |||
1739 | u->id, s->id, s->name); | |||
1740 | break; | |||
1741 | case UAUDIO_AC_FEATURE0x6: | |||
1742 | printf("%02u: feature <%s>, " | |||
1743 | "src = %02u <%s>, dst = %02u <%s>, cls = %d\n", | |||
1744 | u->id, u->name, | |||
1745 | u->src_list->id, u->src_list->name, | |||
1746 | u->dst_list->id, u->dst_list->name, u->mixer_class); | |||
1747 | break; | |||
1748 | case UAUDIO_AC_EFFECT0x7: | |||
1749 | printf("%02u: effect <%s>, " | |||
1750 | "src = %02u <%s>, dst = %02u <%s>\n", | |||
1751 | u->id, u->name, | |||
1752 | u->src_list->id, u->src_list->name, | |||
1753 | u->dst_list->id, u->dst_list->name); | |||
1754 | break; | |||
1755 | case UAUDIO_AC_PROCESSING0x8: | |||
1756 | case UAUDIO_AC_EXTENSION0x9: | |||
1757 | printf("%02u: proc/ext <%s>:\n", u->id, u->name); | |||
1758 | for (s = u->src_list; s != NULL((void *)0); s = s->src_next) | |||
1759 | printf("%02u:\tsource %u <%s>:\n", | |||
1760 | u->id, s->id, s->name); | |||
1761 | break; | |||
1762 | case UAUDIO_AC_CLKSRC0xa: | |||
1763 | printf("%02u: clock source <%s>\n", u->id, u->name); | |||
1764 | break; | |||
1765 | case UAUDIO_AC_CLKSEL0xb: | |||
1766 | printf("%02u: clock sel <%s>\n", u->id, u->name); | |||
1767 | break; | |||
1768 | case UAUDIO_AC_CLKMULT0xc: | |||
1769 | printf("%02u: clock mult\n", u->id); | |||
1770 | break; | |||
1771 | case UAUDIO_AC_RATECONV0xd: | |||
1772 | printf("%02u: rate conv\n", u->id); | |||
1773 | break; | |||
1774 | } | |||
1775 | } | |||
1776 | ||||
1777 | /* | |||
1778 | * Print the full mixer on the console. | |||
1779 | */ | |||
1780 | void | |||
1781 | uaudio_mixer_print(struct uaudio_softc *sc) | |||
1782 | { | |||
1783 | struct uaudio_mixent *m; | |||
1784 | struct uaudio_unit *u; | |||
1785 | ||||
1786 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
1787 | for (m = u->mixent_list; m != NULL((void *)0); m = m->next) { | |||
1788 | printf("%02u:\t%s.%s", | |||
1789 | u->id, u->name, m->fname); | |||
1790 | if (m->chan >= 0) | |||
1791 | printf("[%u]", m->chan); | |||
1792 | printf("\n"); | |||
1793 | } | |||
1794 | } | |||
1795 | } | |||
1796 | ||||
1797 | /* | |||
1798 | * Print the full device configuration on the console. | |||
1799 | */ | |||
1800 | void | |||
1801 | uaudio_conf_print(struct uaudio_softc *sc) | |||
1802 | { | |||
1803 | struct uaudio_alt *a; | |||
1804 | struct uaudio_params *p; | |||
1805 | struct mixer_devinfo mi; | |||
1806 | struct mixer_ctrl ctl; | |||
1807 | int i, rates; | |||
1808 | ||||
1809 | mi.index = 0; | |||
1810 | while (1) { | |||
1811 | if (uaudio_query_devinfo(sc, &mi) != 0) | |||
1812 | break; | |||
1813 | ||||
1814 | if (mi.type != AUDIO_MIXER_CLASS0) { | |||
1815 | ctl.dev = mi.index; | |||
1816 | if (uaudio_get_port(sc, &ctl) != 0) { | |||
1817 | printf("%02u: failed to get port\n", mi.index); | |||
1818 | memset(&ctl.un, 0, sizeof(ctl.un))__builtin_memset((&ctl.un), (0), (sizeof(ctl.un))); | |||
1819 | } | |||
1820 | } | |||
1821 | ||||
1822 | printf("%02u: <%s>, next = %d, prev = %d, class = %d", | |||
1823 | mi.index, mi.label.name, mi.next, mi.prev, mi.mixer_class); | |||
1824 | ||||
1825 | switch (mi.type) { | |||
1826 | case AUDIO_MIXER_CLASS0: | |||
1827 | break; | |||
1828 | case AUDIO_MIXER_VALUE3: | |||
1829 | printf(", nch = %d, delta = %d", | |||
1830 | mi.un.v.num_channels, mi.un.v.delta); | |||
1831 | printf(", val ="); | |||
1832 | for (i = 0; i < mi.un.v.num_channels; i++) | |||
1833 | printf(" %d", ctl.un.value.level[i]); | |||
1834 | break; | |||
1835 | case AUDIO_MIXER_ENUM1: | |||
1836 | printf(", members:"); | |||
1837 | for (i = 0; i != mi.un.e.num_mem; i++) { | |||
1838 | printf(" %s(=%d)", | |||
1839 | mi.un.e.member[i].label.name, | |||
1840 | mi.un.e.member[i].ord); | |||
1841 | } | |||
1842 | printf(", val = %d", ctl.un.ord); | |||
1843 | break; | |||
1844 | } | |||
1845 | ||||
1846 | printf("\n"); | |||
1847 | mi.index++; | |||
1848 | } | |||
1849 | ||||
1850 | printf("%d controls\n", mi.index); | |||
1851 | ||||
1852 | printf("alts:\n"); | |||
1853 | for (a = sc->alts; a != NULL((void *)0); a = a->next) { | |||
1854 | rates = uaudio_alt_getrates(sc, a); | |||
1855 | printf("mode = %s, ifnum = %d, altnum = %d, " | |||
1856 | "addr = 0x%x, maxpkt = %d, sync = 0x%x, " | |||
1857 | "nch = %d, fmt = s%dle%d, rates:", | |||
1858 | uaudio_modename(a->mode), | |||
1859 | a->ifnum, a->altnum, | |||
1860 | a->data_addr, a->maxpkt, | |||
1861 | a->sync_addr, | |||
1862 | a->nch, a->bits, a->bps); | |||
1863 | uaudio_rates_print(rates); | |||
1864 | } | |||
1865 | ||||
1866 | printf("parameters:\n"); | |||
1867 | for (p = sc->params_list; p != NULL((void *)0); p = p->next) { | |||
1868 | switch (sc->version) { | |||
1869 | case UAUDIO_V10x100: | |||
1870 | rates = p->v1_rates; | |||
1871 | break; | |||
1872 | case UAUDIO_V20x200: | |||
1873 | rates = uaudio_getrates(sc, p); | |||
1874 | break; | |||
1875 | } | |||
1876 | printf("pchan = %d, s%dle%d, rchan = %d, s%dle%d, rates:", | |||
1877 | p->palt ? p->palt->nch : 0, | |||
1878 | p->palt ? p->palt->bits : 0, | |||
1879 | p->palt ? p->palt->bps : 0, | |||
1880 | p->ralt ? p->ralt->nch : 0, | |||
1881 | p->ralt ? p->ralt->bits : 0, | |||
1882 | p->ralt ? p->ralt->bps : 0); | |||
1883 | uaudio_rates_print(rates); | |||
1884 | } | |||
1885 | } | |||
1886 | #endif | |||
1887 | ||||
1888 | /* | |||
1889 | * Return the number of mixer controls that have the same name but | |||
1890 | * control different channels of the same stream. | |||
1891 | */ | |||
1892 | int | |||
1893 | uaudio_mixer_nchan(struct uaudio_mixent *m, struct uaudio_mixent **rnext) | |||
1894 | { | |||
1895 | char *name; | |||
1896 | int i; | |||
1897 | ||||
1898 | i = 0; | |||
1899 | name = m->fname; | |||
1900 | while (m != NULL((void *)0) && strcmp(name, m->fname) == 0) { | |||
1901 | m = m->next; | |||
1902 | i++; | |||
1903 | } | |||
1904 | if (rnext) | |||
1905 | *rnext = m; | |||
1906 | return i; | |||
1907 | } | |||
1908 | ||||
1909 | /* | |||
1910 | * Skip redundant mixer entries that we don't want to expose to userland. | |||
1911 | * For instance if there is a mute-all-channels control and per-channel | |||
1912 | * mute controls, we don't want both (we expose the per-channel mute) | |||
1913 | */ | |||
1914 | void | |||
1915 | uaudio_mixer_skip(struct uaudio_mixent **pm) | |||
1916 | { | |||
1917 | struct uaudio_mixent *m = *pm; | |||
1918 | ||||
1919 | if (m != NULL((void *)0) && | |||
1920 | m->chan == -1 && | |||
1921 | m->next != NULL((void *)0) && | |||
1922 | strcmp(m->fname, m->next->fname) == 0) | |||
1923 | m = m->next; | |||
1924 | ||||
1925 | *pm = m; | |||
1926 | } | |||
1927 | ||||
1928 | /* | |||
1929 | * Return pointer to the unit and mixer entry which have the given | |||
1930 | * index exposed by the mixer(4) API. | |||
1931 | */ | |||
1932 | int | |||
1933 | uaudio_mixer_byindex(struct uaudio_softc *sc, int index, | |||
1934 | struct uaudio_unit **ru, struct uaudio_mixent **rm) | |||
1935 | { | |||
1936 | struct uaudio_unit *u; | |||
1937 | struct uaudio_mixent *m; | |||
1938 | char *name; | |||
1939 | int i; | |||
1940 | ||||
1941 | i = UAUDIO_CLASS_COUNT2; | |||
1942 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
1943 | m = u->mixent_list; | |||
1944 | while (1) { | |||
1945 | uaudio_mixer_skip(&m); | |||
1946 | if (m == NULL((void *)0)) | |||
1947 | break; | |||
1948 | if (index == i) { | |||
1949 | *ru = u; | |||
1950 | *rm = m; | |||
1951 | return 1; | |||
1952 | } | |||
1953 | if (m->type == UAUDIO_MIX_NUM1) { | |||
1954 | name = m->fname; | |||
1955 | while (m != NULL((void *)0) && | |||
1956 | strcmp(name, m->fname) == 0) | |||
1957 | m = m->next; | |||
1958 | } else | |||
1959 | m = m->next; | |||
1960 | i++; | |||
1961 | } | |||
1962 | } | |||
1963 | return 0; | |||
1964 | } | |||
1965 | ||||
1966 | /* | |||
1967 | * Parse AC header descriptor, we use it only to determine UAC | |||
1968 | * version. Other properties (like wTotalLength) can be determined | |||
1969 | * using other descriptors, so we try to no rely on them to avoid | |||
1970 | * inconsistencies and the need for certain quirks. | |||
1971 | */ | |||
1972 | int | |||
1973 | uaudio_process_header(struct uaudio_softc *sc, struct uaudio_blob *p) | |||
1974 | { | |||
1975 | struct uaudio_blob ph; | |||
1976 | unsigned int type, subtype; | |||
1977 | ||||
1978 | if (!uaudio_getdesc(p, &ph)) | |||
1979 | return 0; | |||
1980 | if (!uaudio_getnum(&ph, 1, &type)) | |||
1981 | return 0; | |||
1982 | if (type != UDESC_CS_INTERFACE0x24) { | |||
1983 | DPRINTF("%s: expected cs iface desc\n", __func__)do {} while(0); | |||
1984 | return 0; | |||
1985 | } | |||
1986 | if (!uaudio_getnum(&ph, 1, &subtype)) | |||
1987 | return 0; | |||
1988 | if (subtype != UAUDIO_AC_HEADER0x1) { | |||
1989 | DPRINTF("%s: expected header desc\n", __func__)do {} while(0); | |||
1990 | return 0; | |||
1991 | } | |||
1992 | if (!uaudio_getnum(&ph, 2, &sc->version)) | |||
1993 | return 0; | |||
1994 | ||||
1995 | DPRINTF("%s: version 0x%x\n", __func__, sc->version)do {} while(0); | |||
1996 | return 1; | |||
1997 | } | |||
1998 | ||||
1999 | /* | |||
2000 | * Process AC interrupt endpoint descriptor, this is mainly to skip | |||
2001 | * the descriptor as we use neither of its properties. Our mixer | |||
2002 | * interface doesn't support unsolicitated state changes, so we've no | |||
2003 | * use of it yet. | |||
2004 | */ | |||
2005 | int | |||
2006 | uaudio_process_ac_ep(struct uaudio_softc *sc, struct uaudio_blob *p) | |||
2007 | { | |||
2008 | #ifdef UAUDIO_DEBUG | |||
2009 | static const char *xfer[] = { | |||
2010 | "ctl", "iso", "bulk", "intr" | |||
2011 | }; | |||
2012 | #endif | |||
2013 | struct uaudio_blob dp; | |||
2014 | unsigned int type, addr, attr, maxpkt, ival; | |||
2015 | unsigned char *savepos; | |||
2016 | ||||
2017 | /* | |||
2018 | * parse optional interrupt endpoint descriptor | |||
2019 | */ | |||
2020 | if (p->rptr == p->wptr) | |||
2021 | return 1; | |||
2022 | savepos = p->rptr; | |||
2023 | if (!uaudio_getdesc(p, &dp)) | |||
2024 | return 0; | |||
2025 | if (!uaudio_getnum(&dp, 1, &type)) | |||
2026 | return 0; | |||
2027 | if (type != UDESC_ENDPOINT0x05) { | |||
2028 | p->rptr = savepos; | |||
2029 | return 1; | |||
2030 | } | |||
2031 | ||||
2032 | if (!uaudio_getnum(&dp, 1, &addr)) | |||
2033 | return 0; | |||
2034 | if (!uaudio_getnum(&dp, 1, &attr)) | |||
2035 | return 0; | |||
2036 | if (!uaudio_getnum(&dp, 2, &maxpkt)) | |||
2037 | return 0; | |||
2038 | if (!uaudio_getnum(&dp, 1, &ival)) | |||
2039 | return 0; | |||
2040 | ||||
2041 | DPRINTF("%s: addr = 0x%x, type = %s, maxpkt = %d, ival = %d\n",do {} while(0) | |||
2042 | __func__, addr, xfer[UE_GET_XFERTYPE(attr)],do {} while(0) | |||
2043 | UE_GET_SIZE(maxpkt), ival)do {} while(0); | |||
2044 | ||||
2045 | return 1; | |||
2046 | } | |||
2047 | ||||
2048 | /* | |||
2049 | * Process the AC interface descriptors: mainly build the mixer and, | |||
2050 | * for UAC v2.0, find the clock source. | |||
2051 | * | |||
2052 | * The audio device exposes an audio control (AC) interface with a big | |||
2053 | * set of USB descriptors which expose the complete circuit the | |||
2054 | * device. The circuit describes how the signal flows between the USB | |||
2055 | * streaming interfaces to the terminal connectors (jacks, speakers, | |||
2056 | * mics, ...). The circuit is build of mixers, source selectors, gain | |||
2057 | * controls, mutters, processors, and alike; each comes with its own | |||
2058 | * set of controls. Most of the boring driver work is to parse the | |||
2059 | * circuit and build a human-usable set of controls that could be | |||
2060 | * exposed through the mixer(4) interface. | |||
2061 | */ | |||
2062 | int | |||
2063 | uaudio_process_ac(struct uaudio_softc *sc, struct uaudio_blob *p, int ifnum) | |||
2064 | { | |||
2065 | struct uaudio_blob units, pu; | |||
2066 | struct uaudio_unit *u, *v; | |||
2067 | unsigned char *savepos; | |||
2068 | unsigned int type, subtype, id; | |||
2069 | char *name, val; | |||
2070 | ||||
2071 | DPRINTF("%s: ifnum = %d, %zd bytes to process\n", __func__,do {} while(0) | |||
2072 | ifnum, p->wptr - p->rptr)do {} while(0); | |||
2073 | ||||
2074 | sc->ctl_ifnum = ifnum; | |||
2075 | ||||
2076 | /* The first AC class-specific descriptor is the AC header */ | |||
2077 | if (!uaudio_process_header(sc, p)) | |||
2078 | return 0; | |||
2079 | ||||
2080 | /* | |||
2081 | * Determine the size of the AC descriptors array: scan | |||
2082 | * descriptors until we get the first non-class-specific | |||
2083 | * descriptor. This avoids relying on the wTotalLength field. | |||
2084 | */ | |||
2085 | savepos = p->rptr; | |||
2086 | units.rptr = units.wptr = p->rptr; | |||
2087 | while (p->rptr != p->wptr) { | |||
2088 | if (!uaudio_getdesc(p, &pu)) | |||
2089 | return 0; | |||
2090 | if (!uaudio_getnum(&pu, 1, &type)) | |||
2091 | return 0; | |||
2092 | if (type != UDESC_CS_INTERFACE0x24) | |||
2093 | break; | |||
2094 | units.wptr = p->rptr; | |||
2095 | } | |||
2096 | p->rptr = savepos; | |||
2097 | ||||
2098 | /* | |||
2099 | * Load units, walking from outputs to inputs, as | |||
2100 | * the usb audio class spec requires. | |||
2101 | */ | |||
2102 | while (p->rptr != units.wptr) { | |||
2103 | if (!uaudio_getdesc(p, &pu)) | |||
2104 | return 0; | |||
2105 | if (!uaudio_getnum(&pu, 1, &type)) | |||
2106 | return 0; | |||
2107 | if (!uaudio_getnum(&pu, 1, &subtype)) | |||
2108 | return 0; | |||
2109 | if (subtype == UAUDIO_AC_OUTPUT0x3) { | |||
2110 | if (!uaudio_getnum(&pu, 1, &id)) | |||
2111 | return 0; | |||
2112 | if (!uaudio_process_unit(sc, NULL((void *)0), id, units, NULL((void *)0))) | |||
2113 | return 0; | |||
2114 | } | |||
2115 | } | |||
2116 | ||||
2117 | /* | |||
2118 | * set terminal, effect, and processor unit names | |||
2119 | */ | |||
2120 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
2121 | switch (u->type) { | |||
2122 | case UAUDIO_AC_INPUT0x2: | |||
2123 | uaudio_mkname(sc, uaudio_tname(sc, u->term, 0), u->name); | |||
2124 | break; | |||
2125 | case UAUDIO_AC_OUTPUT0x3: | |||
2126 | uaudio_mkname(sc, uaudio_tname(sc, u->term, 1), u->name); | |||
2127 | break; | |||
2128 | case UAUDIO_AC_CLKSRC0xa: | |||
2129 | uaudio_mkname(sc, uaudio_clkname(u->term), u->name); | |||
2130 | break; | |||
2131 | case UAUDIO_AC_CLKSEL0xb: | |||
2132 | uaudio_mkname(sc, "clksel", u->name); | |||
2133 | break; | |||
2134 | case UAUDIO_AC_EFFECT0x7: | |||
2135 | uaudio_mkname(sc, "fx", u->name); | |||
2136 | break; | |||
2137 | case UAUDIO_AC_PROCESSING0x8: | |||
2138 | uaudio_mkname(sc, "proc", u->name); | |||
2139 | break; | |||
2140 | case UAUDIO_AC_EXTENSION0x9: | |||
2141 | uaudio_mkname(sc, "ext", u->name); | |||
2142 | break; | |||
2143 | } | |||
2144 | } | |||
2145 | ||||
2146 | /* | |||
2147 | * set mixer/selector unit names | |||
2148 | */ | |||
2149 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
2150 | if (u->type != UAUDIO_AC_MIXER0x4 && | |||
2151 | u->type != UAUDIO_AC_SELECTOR0x5) | |||
2152 | continue; | |||
2153 | if (!uaudio_setname_dsts(sc, u, NULL((void *)0))) { | |||
2154 | switch (u->type) { | |||
2155 | case UAUDIO_AC_MIXER0x4: | |||
2156 | name = "mix"; | |||
2157 | break; | |||
2158 | case UAUDIO_AC_SELECTOR0x5: | |||
2159 | name = "sel"; | |||
2160 | break; | |||
2161 | } | |||
2162 | uaudio_mkname(sc, name, u->name); | |||
2163 | } | |||
2164 | } | |||
2165 | ||||
2166 | /* | |||
2167 | * set feature unit names and classes | |||
2168 | */ | |||
2169 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
2170 | if (u->type != UAUDIO_AC_FEATURE0x6) | |||
2171 | continue; | |||
2172 | if (uaudio_setname_dsts(sc, u, UAUDIO_NAME_REC"record")) { | |||
2173 | u->mixer_class = UAUDIO_CLASS_IN1; | |||
2174 | continue; | |||
2175 | } | |||
2176 | if (uaudio_setname_srcs(sc, u, UAUDIO_NAME_PLAY"dac")) { | |||
2177 | u->mixer_class = UAUDIO_CLASS_OUT0; | |||
2178 | continue; | |||
2179 | } | |||
2180 | if (uaudio_setname_dsts(sc, u, NULL((void *)0))) { | |||
2181 | u->mixer_class = UAUDIO_CLASS_OUT0; | |||
2182 | continue; | |||
2183 | } | |||
2184 | if (uaudio_setname_srcs(sc, u, NULL((void *)0))) { | |||
2185 | u->mixer_class = UAUDIO_CLASS_IN1; | |||
2186 | continue; | |||
2187 | } | |||
2188 | uaudio_setname_middle(sc, u); | |||
2189 | u->mixer_class = UAUDIO_CLASS_IN1; | |||
2190 | } | |||
2191 | ||||
2192 | #ifdef UAUDIO_DEBUG | |||
2193 | if (uaudio_debug) { | |||
2194 | printf("%s: units list:\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2195 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) | |||
2196 | uaudio_print_unit(sc, u); | |||
2197 | ||||
2198 | printf("%s: mixer controls:\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2199 | uaudio_mixer_print(sc); | |||
2200 | } | |||
2201 | #endif | |||
2202 | ||||
2203 | /* follows optional interrupt endpoint descriptor */ | |||
2204 | if (!uaudio_process_ac_ep(sc, p)) | |||
2205 | return 0; | |||
2206 | ||||
2207 | /* fetch clock source rates */ | |||
2208 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
2209 | switch (u->type) { | |||
2210 | case UAUDIO_AC_CLKSRC0xa: | |||
2211 | if (!uaudio_req_ranges(sc, 4, | |||
2212 | UAUDIO_V2_REQSEL_CLKFREQ1, | |||
2213 | 0, /* channel (not used) */ | |||
2214 | sc->ctl_ifnum, | |||
2215 | u->id, | |||
2216 | &u->rates)) { | |||
2217 | printf("%s: failed to read clock rates\n", | |||
2218 | DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2219 | return 0; | |||
2220 | } | |||
2221 | #ifdef UAUDIO_DEBUG | |||
2222 | if (uaudio_debug) { | |||
2223 | printf("%02u: clock rates: ", u->id); | |||
2224 | uaudio_ranges_print(&u->rates); | |||
2225 | } | |||
2226 | #endif | |||
2227 | break; | |||
2228 | case UAUDIO_AC_CLKSEL0xb: | |||
2229 | if (!uaudio_req(sc, UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
2230 | UAUDIO_V2_REQ_CUR1, | |||
2231 | UAUDIO_V2_REQSEL_CLKSEL1, 0, | |||
2232 | sc->ctl_ifnum, u->id, | |||
2233 | &val, 1)) { | |||
2234 | printf("%s: failed to read clock selector\n", | |||
2235 | DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2236 | return 0; | |||
2237 | } | |||
2238 | for (v = u->src_list; v != NULL((void *)0); v = v->src_next) { | |||
2239 | if (--val == 0) | |||
2240 | break; | |||
2241 | } | |||
2242 | u->clock = v; | |||
2243 | break; | |||
2244 | } | |||
2245 | } | |||
2246 | ||||
2247 | if (sc->version == UAUDIO_V20x200) { | |||
2248 | /* | |||
2249 | * Find common clock unit. We assume all terminals | |||
2250 | * belong to the same clock domain (ie are connected | |||
2251 | * to the same source) | |||
2252 | */ | |||
2253 | sc->clock = NULL((void *)0); | |||
2254 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
2255 | if (u->type != UAUDIO_AC_INPUT0x2 && | |||
2256 | u->type != UAUDIO_AC_OUTPUT0x3) | |||
2257 | continue; | |||
2258 | if (sc->clock == NULL((void *)0)) { | |||
2259 | if (u->clock == NULL((void *)0)) { | |||
2260 | printf("%s: terminal with no clock\n", | |||
2261 | DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2262 | return 0; | |||
2263 | } | |||
2264 | sc->clock = u->clock; | |||
2265 | } else if (u->clock != sc->clock) { | |||
2266 | printf("%s: only one clock domain supported\n", | |||
2267 | DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2268 | return 0; | |||
2269 | } | |||
2270 | } | |||
2271 | ||||
2272 | if (sc->clock == NULL((void *)0)) { | |||
2273 | printf("%s: no clock found\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2274 | return 0; | |||
2275 | } | |||
2276 | } | |||
2277 | return 1; | |||
2278 | } | |||
2279 | ||||
2280 | /* | |||
2281 | * Parse endpoint descriptor with the following format: | |||
2282 | * | |||
2283 | * For playback there's a output data endpoint, of the | |||
2284 | * following types: | |||
2285 | * | |||
2286 | * type sync descr | |||
2287 | * ------------------------------------------------------- | |||
2288 | * async: Yes the device uses its own clock but | |||
2289 | * sends feedback on a (input) sync endpoint | |||
2290 | * for the host to adjust next packet size | |||
2291 | * | |||
2292 | * sync: - data rate is constant, and device | |||
2293 | * is clocked to the usb bus. | |||
2294 | * | |||
2295 | * adapt: - the device adapts to data rate of the | |||
2296 | * host. If fixed packet size is used, | |||
2297 | * data rate is equivalent to the usb clock | |||
2298 | * so this mode is the same as the | |||
2299 | * sync mode. | |||
2300 | * | |||
2301 | * For recording there's and input data endpoint, of | |||
2302 | * the following types: | |||
2303 | * | |||
2304 | * type sync descr | |||
2305 | * ------------------------------------------------------- | |||
2306 | * async: - the device uses its own clock and | |||
2307 | * adjusts packet sizes. | |||
2308 | * | |||
2309 | * sync: - the device uses usb clock rate | |||
2310 | * | |||
2311 | * adapt: Yes the device uses host's feedback (on | |||
2312 | * on a dedicated (output) sync endpoint | |||
2313 | * to adapt to software's desired rate | |||
2314 | * | |||
2315 | * | |||
2316 | * For usb1.1 ival is cardcoded to 1 for isochronous | |||
2317 | * transfers, which means one transfer every ms. I.e one | |||
2318 | * transfer every frame period. | |||
2319 | * | |||
2320 | * For usb2, ival the poll interval is: | |||
2321 | * | |||
2322 | * frame_period * 2^(ival - 1) | |||
2323 | * | |||
2324 | * so, if we use this formula, we get something working in all | |||
2325 | * cases. | |||
2326 | * | |||
2327 | * The MaxPacketsOnly attribute is used only by "Type II" encodings, | |||
2328 | * so we don't care about it. | |||
2329 | */ | |||
2330 | int | |||
2331 | uaudio_process_as_ep(struct uaudio_softc *sc, | |||
2332 | struct uaudio_blob *p, struct uaudio_alt *a, int nep) | |||
2333 | { | |||
2334 | unsigned int addr, attr, maxpkt, isotype, ival; | |||
2335 | ||||
2336 | if (!uaudio_getnum(p, 1, &addr)) | |||
2337 | return 0; | |||
2338 | if (!uaudio_getnum(p, 1, &attr)) | |||
2339 | return 0; | |||
2340 | if (!uaudio_getnum(p, 2, &maxpkt)) | |||
2341 | return 0; | |||
2342 | if (!uaudio_getnum(p, 1, &ival)) /* bInterval */ | |||
2343 | return 0; | |||
2344 | ||||
2345 | DPRINTF("%s: addr = 0x%x, %s/%s, "do {} while(0) | |||
2346 | "maxpktsz = %d, ival = %d\n",do {} while(0) | |||
2347 | __func__, addr,do {} while(0) | |||
2348 | uaudio_isoname(UE_GET_ISO_TYPE(attr)),do {} while(0) | |||
2349 | uaudio_usagename(UE_GET_ISO_USAGE(attr)),do {} while(0) | |||
2350 | maxpkt, ival)do {} while(0); | |||
2351 | ||||
2352 | if (UE_GET_XFERTYPE(attr)((attr) & 0x03) != UE_ISOCHRONOUS0x01) { | |||
2353 | printf("%s: skipped non-isoc endpt.\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2354 | return 1; | |||
2355 | } | |||
2356 | ||||
2357 | /* | |||
2358 | * For each AS interface setting, there's a single data | |||
2359 | * endpoint and an optional feedback endpoint. The | |||
2360 | * synchronization type is non-zero and must be set in the data | |||
2361 | * endpoints. | |||
2362 | * | |||
2363 | * However, the isoc sync type field of the attribute can't be | |||
2364 | * trusted: a lot of devices have it wrong. If the isoc sync | |||
2365 | * type is set it's necessarily a data endpoint, if it's not, | |||
2366 | * then if it is the only endpoint, it necessarily the data | |||
2367 | * endpoint. | |||
2368 | */ | |||
2369 | isotype = UE_GET_ISO_TYPE(attr)((attr) & 0x0c); | |||
2370 | if (isotype || nep == 1) { | |||
2371 | /* this is the data endpoint */ | |||
2372 | ||||
2373 | if (a->data_addr && addr != a->data_addr) { | |||
2374 | printf("%s: skipped extra data endpt.\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2375 | return 1; | |||
2376 | } | |||
2377 | ||||
2378 | a->mode = (UE_GET_DIR(addr)((addr) & 0x80) == UE_DIR_IN0x80) ? | |||
2379 | AUMODE_RECORD0x02 : AUMODE_PLAY0x01; | |||
2380 | a->data_addr = addr; | |||
2381 | a->fps = sc->ufps / (1 << (ival - 1)); | |||
2382 | a->maxpkt = UE_GET_SIZE(maxpkt)((maxpkt) & 0x7ff); | |||
2383 | } else { | |||
2384 | /* this is the sync endpoint */ | |||
2385 | ||||
2386 | if (a->sync_addr && addr != a->sync_addr) { | |||
2387 | printf("%s: skipped extra sync endpt.\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2388 | return 1; | |||
2389 | } | |||
2390 | a->sync_addr = addr; | |||
2391 | } | |||
2392 | ||||
2393 | return 1; | |||
2394 | } | |||
2395 | ||||
2396 | /* | |||
2397 | * Parse AS general descriptor. Non-PCM interfaces are skipped. UAC | |||
2398 | * v2.0 report the number of channels. For UAC v1.0 we set the number | |||
2399 | * of channels to zero, it will be determined later from the format | |||
2400 | * descriptor. | |||
2401 | */ | |||
2402 | int | |||
2403 | uaudio_process_as_general(struct uaudio_softc *sc, | |||
2404 | struct uaudio_blob *p, int *rispcm, struct uaudio_alt *a) | |||
2405 | { | |||
2406 | unsigned int term, fmt, ctl, fmt_type, fmt_map, nch; | |||
2407 | ||||
2408 | if (!uaudio_getnum(p, 1, &term)) | |||
2409 | return 0; | |||
2410 | switch (sc->version) { | |||
2411 | case UAUDIO_V10x100: | |||
2412 | if (!uaudio_getnum(p, 1, NULL((void *)0))) /* bDelay */ | |||
2413 | return 0; | |||
2414 | if (!uaudio_getnum(p, 1, &fmt)) | |||
2415 | return 0; | |||
2416 | *rispcm = (fmt == UAUDIO_V1_FMT_PCM0x1); | |||
2417 | break; | |||
2418 | case UAUDIO_V20x200: | |||
2419 | /* XXX: should we check if alt setting control is valid ? */ | |||
2420 | if (!uaudio_getnum(p, 1, &ctl)) | |||
2421 | return 0; | |||
2422 | if (!uaudio_getnum(p, 1, &fmt_type)) | |||
2423 | return 0; | |||
2424 | if (!uaudio_getnum(p, 4, &fmt_map)) | |||
2425 | return 0; | |||
2426 | if (!uaudio_getnum(p, 1, &nch)) | |||
2427 | return 0; | |||
2428 | a->nch = nch; | |||
2429 | *rispcm = (fmt_type == 1) && (fmt_map & UAUDIO_V2_FMT_PCM0x01); | |||
2430 | } | |||
2431 | return 1; | |||
2432 | } | |||
2433 | ||||
2434 | /* | |||
2435 | * Parse AS format descriptor: we support only "Type 1" formats, aka | |||
2436 | * PCM. Other formats are not really audio, they are data-only | |||
2437 | * interfaces that we don't want to support: ethernet is much better | |||
2438 | * for raw data transfers. | |||
2439 | * | |||
2440 | * XXX: handle ieee 754 32-bit floating point formats. | |||
2441 | */ | |||
2442 | int | |||
2443 | uaudio_process_as_format(struct uaudio_softc *sc, | |||
2444 | struct uaudio_blob *p, struct uaudio_alt *a, int *ispcm) | |||
2445 | { | |||
2446 | unsigned int type, bps, bits, nch, nrates, rate_min, rate_max, rates; | |||
2447 | int i, j; | |||
2448 | ||||
2449 | switch (sc->version) { | |||
2450 | case UAUDIO_V10x100: | |||
2451 | if (!uaudio_getnum(p, 1, &type)) | |||
2452 | return 0; | |||
2453 | if (type != 1) { | |||
2454 | DPRINTF("%s: class v1: "do {} while(0) | |||
2455 | "skipped unsupported type = %d\n", __func__, type)do {} while(0); | |||
2456 | *ispcm = 0; | |||
2457 | return 1; | |||
2458 | } | |||
2459 | if (!uaudio_getnum(p, 1, &nch)) | |||
2460 | return 0; | |||
2461 | if (!uaudio_getnum(p, 1, &bps)) | |||
2462 | return 0; | |||
2463 | if (!uaudio_getnum(p, 1, &bits)) | |||
2464 | return 0; | |||
2465 | if (!uaudio_getnum(p, 1, &nrates)) | |||
2466 | return 0; | |||
2467 | rates = 0; | |||
2468 | if (nrates == 0) { | |||
2469 | if (!uaudio_getnum(p, 3, &rate_min)) | |||
2470 | return 0; | |||
2471 | if (!uaudio_getnum(p, 3, &rate_max)) | |||
2472 | return 0; | |||
2473 | for (i = 0; i < nitems(uaudio_rates)(sizeof((uaudio_rates)) / sizeof((uaudio_rates)[0])); i++) { | |||
2474 | if (uaudio_rates[i] >= rate_min && | |||
2475 | uaudio_rates[i] <= rate_max) | |||
2476 | rates |= 1 << i; | |||
2477 | } | |||
2478 | } else { | |||
2479 | for (j = 0; j < nrates; j++) { | |||
2480 | if (!uaudio_getnum(p, 3, &rate_min)) | |||
2481 | return 0; | |||
2482 | for (i = 0; i < nitems(uaudio_rates)(sizeof((uaudio_rates)) / sizeof((uaudio_rates)[0])); i++) { | |||
2483 | if (uaudio_rates[i] == rate_min) | |||
2484 | rates |= 1 << i; | |||
2485 | } | |||
2486 | } | |||
2487 | } | |||
2488 | a->v1_rates = rates; | |||
2489 | a->nch = nch; | |||
2490 | break; | |||
2491 | case UAUDIO_V20x200: | |||
2492 | /* | |||
2493 | * sample rate ranges are obtained with requests to | |||
2494 | * the clock source, as defined by the clock source | |||
2495 | * descriptor | |||
2496 | * | |||
2497 | * the number of channels is in the GENERAL descriptor | |||
2498 | */ | |||
2499 | if (!uaudio_getnum(p, 1, &type)) | |||
2500 | return 0; | |||
2501 | if (type != 1) { | |||
2502 | DPRINTF("%s: class v2: "do {} while(0) | |||
2503 | "skipped unsupported type = %d\n", __func__, type)do {} while(0); | |||
2504 | *ispcm = 0; | |||
2505 | return 1; | |||
2506 | } | |||
2507 | if (!uaudio_getnum(p, 1, &bps)) | |||
2508 | return 0; | |||
2509 | if (!uaudio_getnum(p, 1, &bits)) | |||
2510 | return 0; | |||
2511 | ||||
2512 | /* | |||
2513 | * nch is in the v2 general desc, rates come from the | |||
2514 | * clock source, so we're done. | |||
2515 | */ | |||
2516 | break; | |||
2517 | } | |||
2518 | a->bps = bps; | |||
2519 | a->bits = bits; | |||
2520 | *ispcm = 1; | |||
2521 | return 1; | |||
2522 | } | |||
2523 | ||||
2524 | /* | |||
2525 | * Parse AS descriptors. | |||
2526 | * | |||
2527 | * The audio streaming (AS) interfaces are used to move data between | |||
2528 | * the host and the device. On the one hand, the device has | |||
2529 | * analog-to-digital (ADC) and digital-to-analog (DAC) converters | |||
2530 | * which have their own low-jitter clock source. On other hand, the | |||
2531 | * USB host runs a bus clock using another clock source. So both | |||
2532 | * drift. That's why, the device sends feedback to the driver for the | |||
2533 | * host to adjust continuously its data rate, hence the need for sync | |||
2534 | * endpoints. | |||
2535 | */ | |||
2536 | int | |||
2537 | uaudio_process_as(struct uaudio_softc *sc, | |||
2538 | struct uaudio_blob *p, int ifnum, int altnum, int nep) | |||
2539 | { | |||
2540 | struct uaudio_alt *a, *anext, **pa; | |||
2541 | struct uaudio_blob dp; | |||
2542 | unsigned char *savep; | |||
2543 | unsigned int type, subtype; | |||
2544 | int ispcm = 0; | |||
2545 | ||||
2546 | a = malloc(sizeof(struct uaudio_alt), M_USBDEV102, M_WAITOK0x0001); | |||
2547 | a->mode = 0; | |||
2548 | a->nch = 0; | |||
2549 | a->v1_rates = 0; | |||
2550 | a->data_addr = 0; | |||
2551 | a->sync_addr = 0; | |||
2552 | a->ifnum = ifnum; | |||
2553 | a->altnum = altnum; | |||
2554 | ||||
2555 | while (p->rptr != p->wptr) { | |||
2556 | savep = p->rptr; | |||
2557 | if (!uaudio_getdesc(p, &dp)) | |||
2558 | goto failed; | |||
2559 | if (!uaudio_getnum(&dp, 1, &type)) | |||
2560 | goto failed; | |||
2561 | if (type != UDESC_CS_INTERFACE0x24) { | |||
2562 | p->rptr = savep; | |||
2563 | break; | |||
2564 | } | |||
2565 | if (!uaudio_getnum(&dp, 1, &subtype)) | |||
2566 | goto failed; | |||
2567 | switch (subtype) { | |||
2568 | case UAUDIO_AS_GENERAL0x1: | |||
2569 | if (!uaudio_process_as_general(sc, &dp, &ispcm, a)) | |||
2570 | goto failed; | |||
2571 | break; | |||
2572 | case UAUDIO_AS_FORMAT0x2: | |||
2573 | if (!uaudio_process_as_format(sc, &dp, a, &ispcm)) | |||
2574 | goto failed; | |||
2575 | break; | |||
2576 | default: | |||
2577 | DPRINTF("%s: unknown desc\n", __func__)do {} while(0); | |||
2578 | continue; | |||
2579 | } | |||
2580 | if (!ispcm) { | |||
2581 | DPRINTF("%s: non-pcm iface\n", __func__)do {} while(0); | |||
2582 | free(a, M_USBDEV102, sizeof(struct uaudio_alt)); | |||
2583 | return 1; | |||
2584 | } | |||
2585 | } | |||
2586 | ||||
2587 | while (p->rptr != p->wptr) { | |||
2588 | savep = p->rptr; | |||
2589 | if (!uaudio_getdesc(p, &dp)) | |||
2590 | goto failed; | |||
2591 | if (!uaudio_getnum(&dp, 1, &type)) | |||
2592 | goto failed; | |||
2593 | if (type == UDESC_CS_ENDPOINT0x25) | |||
2594 | continue; | |||
2595 | if (type != UDESC_ENDPOINT0x05) { | |||
2596 | p->rptr = savep; | |||
2597 | break; | |||
2598 | } | |||
2599 | if (!uaudio_process_as_ep(sc, &dp, a, nep)) | |||
2600 | goto failed; | |||
2601 | } | |||
2602 | ||||
2603 | if (a->mode == 0) { | |||
2604 | printf("%s: no data endpoints found\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2605 | free(a, M_USBDEV102, sizeof(struct uaudio_alt)); | |||
2606 | return 1; | |||
2607 | } | |||
2608 | ||||
2609 | /* | |||
2610 | * Append to list of alts, but keep the list sorted by number | |||
2611 | * of channels, bits and rate. From the most capable to the | |||
2612 | * less capable. | |||
2613 | */ | |||
2614 | pa = &sc->alts; | |||
2615 | while (1) { | |||
2616 | if ((anext = *pa) == NULL((void *)0)) | |||
2617 | break; | |||
2618 | if (a->nch > anext->nch) | |||
2619 | break; | |||
2620 | else if (a->nch == anext->nch) { | |||
2621 | if (a->bits > anext->bits) | |||
2622 | break; | |||
2623 | else if (sc->version == UAUDIO_V10x100 && | |||
2624 | a->v1_rates > anext->v1_rates) | |||
2625 | break; | |||
2626 | } | |||
2627 | pa = &anext->next; | |||
2628 | } | |||
2629 | a->next = *pa; | |||
2630 | *pa = a; | |||
2631 | return 1; | |||
2632 | failed: | |||
2633 | free(a, M_USBDEV102, sizeof(struct uaudio_alt)); | |||
2634 | return 0; | |||
2635 | } | |||
2636 | ||||
2637 | /* | |||
2638 | * Populate the sc->params_list with combinations of play and rec alt | |||
2639 | * settings that work together in full-duplex. | |||
2640 | */ | |||
2641 | void | |||
2642 | uaudio_fixup_params(struct uaudio_softc *sc) | |||
2643 | { | |||
2644 | struct uaudio_alt *ap, *ar, *a; | |||
2645 | struct uaudio_params *p, **pp; | |||
2646 | int rates; | |||
2647 | ||||
2648 | /* | |||
2649 | * Add full-duplex parameter combinations. | |||
2650 | */ | |||
2651 | pp = &sc->params_list; | |||
2652 | for (ap = sc->alts; ap != NULL((void *)0); ap = ap->next) { | |||
2653 | if (ap->mode != AUMODE_PLAY0x01) | |||
2654 | continue; | |||
2655 | for (ar = sc->alts; ar != NULL((void *)0); ar = ar->next) { | |||
2656 | if (ar->mode != AUMODE_RECORD0x02) | |||
2657 | continue; | |||
2658 | if (ar->bps != ap->bps || ar->bits != ap->bits) | |||
2659 | continue; | |||
2660 | switch (sc->version) { | |||
2661 | case UAUDIO_V10x100: | |||
2662 | rates = ap->v1_rates & ar->v1_rates; | |||
2663 | if (rates == 0) | |||
2664 | continue; | |||
2665 | break; | |||
2666 | case UAUDIO_V20x200: | |||
2667 | /* UAC v2.0 common rates */ | |||
2668 | rates = 0; | |||
2669 | break; | |||
2670 | } | |||
2671 | p = malloc(sizeof(struct uaudio_params), | |||
2672 | M_USBDEV102, M_WAITOK0x0001); | |||
2673 | p->palt = ap; | |||
2674 | p->ralt = ar; | |||
2675 | p->v1_rates = rates; | |||
2676 | p->next = NULL((void *)0); | |||
2677 | *pp = p; | |||
2678 | pp = &p->next; | |||
2679 | } | |||
2680 | } | |||
2681 | ||||
2682 | /* | |||
2683 | * For unidirectional devices, add play-only and or rec-only | |||
2684 | * parameters. | |||
2685 | */ | |||
2686 | if (sc->params_list == NULL((void *)0)) { | |||
2687 | for (a = sc->alts; a != NULL((void *)0); a = a->next) { | |||
2688 | p = malloc(sizeof(struct uaudio_params), | |||
2689 | M_USBDEV102, M_WAITOK0x0001); | |||
2690 | if (a->mode == AUMODE_PLAY0x01) { | |||
2691 | p->palt = a; | |||
2692 | p->ralt = NULL((void *)0); | |||
2693 | } else { | |||
2694 | p->palt = NULL((void *)0); | |||
2695 | p->ralt = a; | |||
2696 | } | |||
2697 | p->v1_rates = a->v1_rates; | |||
2698 | p->next = NULL((void *)0); | |||
2699 | *pp = p; | |||
2700 | pp = &p->next; | |||
2701 | } | |||
2702 | } | |||
2703 | } | |||
2704 | ||||
2705 | /* | |||
2706 | * Parse all descriptors and build configuration of the device. | |||
2707 | */ | |||
2708 | int | |||
2709 | uaudio_process_conf(struct uaudio_softc *sc, struct uaudio_blob *p) | |||
2710 | { | |||
2711 | struct uaudio_blob dp; | |||
2712 | struct uaudio_alt *a; | |||
2713 | unsigned int type, ifnum, altnum, nep, class, subclass; | |||
2714 | ||||
2715 | while (p->rptr != p->wptr) { | |||
2716 | if (!uaudio_getdesc(p, &dp)) | |||
2717 | return 0; | |||
2718 | if (!uaudio_getnum(&dp, 1, &type)) | |||
2719 | return 0; | |||
2720 | if (type != UDESC_INTERFACE0x04) | |||
2721 | continue; | |||
2722 | if (!uaudio_getnum(&dp, 1, &ifnum)) | |||
2723 | return 0; | |||
2724 | if (!uaudio_getnum(&dp, 1, &altnum)) | |||
2725 | return 0; | |||
2726 | if (!uaudio_getnum(&dp, 1, &nep)) | |||
2727 | return 0; | |||
2728 | if (!uaudio_getnum(&dp, 1, &class)) | |||
2729 | return 0; | |||
2730 | if (!uaudio_getnum(&dp, 1, &subclass)) | |||
2731 | return 0; | |||
2732 | if (class != UICLASS_AUDIO0x01) { | |||
2733 | DPRINTF("%s: skipped iface\n", __func__)do {} while(0); | |||
2734 | continue; | |||
2735 | } | |||
2736 | ||||
2737 | switch (subclass) { | |||
2738 | case UISUBCLASS_AUDIOCONTROL1: | |||
2739 | if (usbd_iface_claimed(sc->udev, ifnum)) { | |||
2740 | DPRINTF("%s: %d: AC already claimed\n", __func__, ifnum)do {} while(0); | |||
2741 | break; | |||
2742 | } | |||
2743 | if (sc->unit_list != NULL((void *)0)) { | |||
2744 | DPRINTF("%s: >1 AC ifaces\n", __func__)do {} while(0); | |||
2745 | goto done; | |||
2746 | } | |||
2747 | if (!uaudio_process_ac(sc, p, ifnum)) | |||
2748 | return 0; | |||
2749 | break; | |||
2750 | case UISUBCLASS_AUDIOSTREAM2: | |||
2751 | if (usbd_iface_claimed(sc->udev, ifnum)) { | |||
2752 | DPRINTF("%s: %d: AS already claimed\n", __func__, ifnum)do {} while(0); | |||
2753 | break; | |||
2754 | } | |||
2755 | if (nep == 0) { | |||
2756 | DPRINTF("%s: "do {} while(0) | |||
2757 | "stop altnum %d\n", __func__, altnum)do {} while(0); | |||
2758 | break; /* 0 is "stop sound", skip it */ | |||
2759 | } | |||
2760 | if (!uaudio_process_as(sc, p, ifnum, altnum, nep)) | |||
2761 | return 0; | |||
2762 | } | |||
2763 | } | |||
2764 | done: | |||
2765 | uaudio_fixup_params(sc); | |||
2766 | ||||
2767 | /* | |||
2768 | * Claim all interfaces we use. This prevents other uaudio(4) | |||
2769 | * devices from trying to use them. | |||
2770 | */ | |||
2771 | for (a = sc->alts; a != NULL((void *)0); a = a->next) | |||
2772 | usbd_claim_iface(sc->udev, a->ifnum); | |||
2773 | ||||
2774 | usbd_claim_iface(sc->udev, sc->ctl_ifnum); | |||
2775 | ||||
2776 | return 1; | |||
2777 | } | |||
2778 | ||||
2779 | /* | |||
2780 | * Allocate a isochronous transfer and its bounce-buffers with the | |||
2781 | * given maximum framesize and maximum frames per transfer. | |||
2782 | */ | |||
2783 | int | |||
2784 | uaudio_xfer_alloc(struct uaudio_softc *sc, struct uaudio_xfer *xfer, | |||
2785 | unsigned int framesize, unsigned int count) | |||
2786 | { | |||
2787 | xfer->usb_xfer = usbd_alloc_xfer(sc->udev); | |||
2788 | if (xfer->usb_xfer == NULL((void *)0)) | |||
2789 | return ENOMEM12; | |||
2790 | ||||
2791 | xfer->buf = usbd_alloc_buffer(xfer->usb_xfer, framesize * count); | |||
2792 | if (xfer->buf == NULL((void *)0)) | |||
2793 | return ENOMEM12; | |||
2794 | ||||
2795 | xfer->sizes = mallocarray(count, | |||
2796 | sizeof(xfer->sizes[0]), M_USBDEV102, M_WAITOK0x0001); | |||
2797 | if (xfer->sizes == NULL((void *)0)) | |||
2798 | return ENOMEM12; | |||
2799 | ||||
2800 | return 0; | |||
2801 | } | |||
2802 | ||||
2803 | /* | |||
2804 | * Free a isochronous transfer and its bounce-buffers. | |||
2805 | */ | |||
2806 | void | |||
2807 | uaudio_xfer_free(struct uaudio_softc *sc, struct uaudio_xfer *xfer, | |||
2808 | unsigned int count) | |||
2809 | { | |||
2810 | if (xfer->usb_xfer != NULL((void *)0)) { | |||
2811 | /* frees request buffer as well */ | |||
2812 | usbd_free_xfer(xfer->usb_xfer); | |||
2813 | xfer->usb_xfer = NULL((void *)0); | |||
2814 | } | |||
2815 | if (xfer->sizes != NULL((void *)0)) { | |||
2816 | free(xfer->sizes, M_USBDEV102, | |||
2817 | sizeof(xfer->sizes[0]) * count); | |||
2818 | xfer->sizes = NULL((void *)0); | |||
2819 | } | |||
2820 | } | |||
2821 | ||||
2822 | /* | |||
2823 | * Close a stream and free all associated resources | |||
2824 | */ | |||
2825 | void | |||
2826 | uaudio_stream_close(struct uaudio_softc *sc, int dir) | |||
2827 | { | |||
2828 | struct uaudio_stream *s = &sc->pstream; | |||
2829 | struct uaudio_alt *a = sc->params->palt; | |||
2830 | struct usbd_interface *iface; | |||
2831 | int err, i; | |||
2832 | ||||
2833 | if (dir == AUMODE_PLAY0x01) { | |||
2834 | s = &sc->pstream; | |||
2835 | a = sc->params->palt; | |||
2836 | } else { | |||
2837 | s = &sc->rstream; | |||
2838 | a = sc->params->ralt; | |||
2839 | } | |||
2840 | ||||
2841 | if (s->data_pipe) { | |||
2842 | usbd_close_pipe(s->data_pipe); | |||
2843 | s->data_pipe = NULL((void *)0); | |||
2844 | } | |||
2845 | ||||
2846 | if (s->sync_pipe) { | |||
2847 | usbd_close_pipe(s->sync_pipe); | |||
2848 | s->sync_pipe = NULL((void *)0); | |||
2849 | } | |||
2850 | ||||
2851 | err = usbd_device2interface_handle(sc->udev, a->ifnum, &iface); | |||
2852 | if (err) | |||
2853 | printf("%s: can't get iface handle\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2854 | else { | |||
2855 | err = usbd_set_interface(iface, 0); | |||
2856 | if (err) | |||
2857 | printf("%s: can't reset interface\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2858 | } | |||
2859 | ||||
2860 | for (i = 0; i < UAUDIO_NXFERS_MAX8; i++) { | |||
2861 | uaudio_xfer_free(sc, s->data_xfers + i, s->nframes_max); | |||
2862 | uaudio_xfer_free(sc, s->sync_xfers + i, 1); | |||
2863 | } | |||
2864 | } | |||
2865 | ||||
2866 | /* | |||
2867 | * Open a stream with the given buffer settings and set the current | |||
2868 | * interface alt setting. | |||
2869 | */ | |||
2870 | int | |||
2871 | uaudio_stream_open(struct uaudio_softc *sc, int dir, | |||
2872 | void *start, void *end, size_t blksz, void (*intr)(void *), void *arg) | |||
2873 | { | |||
2874 | struct uaudio_stream *s; | |||
2875 | struct uaudio_alt *a; | |||
2876 | struct usbd_interface *iface; | |||
2877 | unsigned char req_buf[4]; | |||
2878 | unsigned int bpa, spf_max, min_blksz; | |||
2879 | int err, clock_id, i; | |||
2880 | ||||
2881 | if (dir == AUMODE_PLAY0x01) { | |||
2882 | s = &sc->pstream; | |||
2883 | a = sc->params->palt; | |||
2884 | } else { | |||
2885 | s = &sc->rstream; | |||
2886 | a = sc->params->ralt; | |||
2887 | } | |||
2888 | ||||
2889 | for (i = 0; i < UAUDIO_NXFERS_MAX8; i++) { | |||
2890 | s->data_xfers[i].usb_xfer = NULL((void *)0); | |||
2891 | s->data_xfers[i].sizes = NULL((void *)0); | |||
2892 | s->sync_xfers[i].usb_xfer = NULL((void *)0); | |||
2893 | s->sync_xfers[i].sizes = NULL((void *)0); | |||
2894 | } | |||
2895 | s->data_pipe = NULL((void *)0); | |||
2896 | s->sync_pipe = NULL((void *)0); | |||
2897 | ||||
2898 | s->nframes_mask = 0; | |||
2899 | i = a->fps; | |||
2900 | while (i > 1000) { | |||
2901 | s->nframes_mask = (s->nframes_mask << 1) | 1; | |||
2902 | i >>= 1; | |||
2903 | } | |||
2904 | ||||
2905 | /* bytes per audio frame */ | |||
2906 | bpa = a->bps * a->nch; | |||
2907 | ||||
2908 | /* ideal samples per usb frame, fixed-point */ | |||
2909 | s->spf = (uint64_t)sc->rate * UAUDIO_SPF_DIV327680 / a->fps; | |||
2910 | ||||
2911 | /* | |||
2912 | * UAC2.0 spec allows 1000PPM tolerance in sample frequency, | |||
2913 | * while USB1.1 requires 1Hz, which is 125PPM at 8kHz. We | |||
2914 | * accept as much as 1/256, which is 2500PPM. | |||
2915 | */ | |||
2916 | s->spf_min = (uint64_t)s->spf * 255 / 256; | |||
2917 | s->spf_max = (uint64_t)s->spf * 257 / 256; | |||
2918 | ||||
2919 | /* max spf can't exceed the device usb packet size */ | |||
2920 | spf_max = (a->maxpkt / bpa) * UAUDIO_SPF_DIV327680; | |||
2921 | if (s->spf > spf_max) { | |||
2922 | printf("%s: samples per frame too large\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2923 | return EIO5; | |||
2924 | } | |||
2925 | if (s->spf_max > spf_max) | |||
2926 | s->spf_max = spf_max; | |||
2927 | ||||
2928 | /* | |||
2929 | * Upon transfer completion the device must reach the audio | |||
2930 | * block boundary, which is propagated to upper layers. In the | |||
2931 | * worst case, we schedule only frames of spf_max samples, but | |||
2932 | * the device returns only frames of spf_min samples; in this | |||
2933 | * case the amount actually transferred is at least: | |||
2934 | * | |||
2935 | * min_blksz = blksz / spf_max * spf_min | |||
2936 | * | |||
2937 | * As we've UAUDIO_NXFERS outstanding blocks, worst-case | |||
2938 | * remaining bytes is at most: | |||
2939 | * | |||
2940 | * UAUDIO_NXFERS * (blksz - min_blksz) | |||
2941 | */ | |||
2942 | min_blksz = (((uint64_t)blksz << 32) / s->spf_max * s->spf_min) >> 32; | |||
2943 | ||||
2944 | /* round to sample size */ | |||
2945 | min_blksz -= min_blksz % bpa; | |||
2946 | ||||
2947 | /* finally this is what ensures we cross block boundary */ | |||
2948 | s->safe_blksz = blksz + UAUDIO_NXFERS_MAX8 * (blksz - min_blksz); | |||
2949 | ||||
2950 | /* max number of (micro-)frames we'll ever use */ | |||
2951 | s->nframes_max = (uint64_t)(s->safe_blksz / bpa) * | |||
2952 | UAUDIO_SPF_DIV327680 / s->spf_min + 1; | |||
2953 | ||||
2954 | /* round to next usb1.1 frame */ | |||
2955 | s->nframes_max = (s->nframes_max + s->nframes_mask) & | |||
2956 | ~s->nframes_mask; | |||
2957 | ||||
2958 | /* this is the max packet size we'll ever need */ | |||
2959 | s->maxpkt = bpa * | |||
2960 | ((s->spf_max + UAUDIO_SPF_DIV327680 - 1) / UAUDIO_SPF_DIV327680); | |||
2961 | ||||
2962 | /* how many xfers we need to fill sc->host_nframes */ | |||
2963 | s->nxfers = sc->host_nframes / s->nframes_max; | |||
2964 | if (s->nxfers > UAUDIO_NXFERS_MAX8) | |||
2965 | s->nxfers = UAUDIO_NXFERS_MAX8; | |||
2966 | ||||
2967 | DPRINTF("%s: %s: blksz = %zu, rate = %u, fps = %u\n", __func__,do {} while(0) | |||
2968 | dir == AUMODE_PLAY ? "play" : "rec", blksz, sc->rate, a->fps)do {} while(0); | |||
2969 | DPRINTF("%s: spf = 0x%x in [0x%x:0x%x]\n", __func__,do {} while(0) | |||
2970 | s->spf, s->spf_min, s->spf_max)do {} while(0); | |||
2971 | DPRINTF("%s: nframes_max = %u, nframes_mask = %u, maxpkt = %u\n",do {} while(0) | |||
2972 | __func__, s->nframes_max, s->nframes_mask, s->maxpkt)do {} while(0); | |||
2973 | DPRINTF("%s: safe_blksz = %d, nxfers = %d\n", __func__,do {} while(0) | |||
2974 | s->safe_blksz, s->nxfers)do {} while(0); | |||
2975 | ||||
2976 | if (s->nxfers < UAUDIO_NXFERS_MIN2) { | |||
2977 | printf("%s: block size too large\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2978 | return EIO5; | |||
2979 | } | |||
2980 | ||||
2981 | /* | |||
2982 | * Require at least 2ms block size to ensure no | |||
2983 | * transfer exceeds two blocks. | |||
2984 | * | |||
2985 | * XXX: use s->nframes_mask instead of 1000 | |||
2986 | */ | |||
2987 | if (1000 * blksz < 2 * sc->rate * bpa) { | |||
2988 | printf("%s: audio block too small\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
2989 | return EIO5; | |||
2990 | } | |||
2991 | ||||
2992 | for (i = 0; i < s->nxfers; i++) { | |||
2993 | err = uaudio_xfer_alloc(sc, s->data_xfers + i, | |||
2994 | s->maxpkt, s->nframes_max); | |||
2995 | if (err) | |||
2996 | goto failed; | |||
2997 | if (a->sync_addr) { | |||
2998 | err = uaudio_xfer_alloc(sc, s->sync_xfers + i, | |||
2999 | sc->sync_pktsz, 1); | |||
3000 | if (err) | |||
3001 | goto failed; | |||
3002 | } | |||
3003 | } | |||
3004 | ||||
3005 | err = usbd_device2interface_handle(sc->udev, a->ifnum, &iface); | |||
3006 | if (err) { | |||
3007 | printf("%s: can't get iface handle\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3008 | goto failed; | |||
3009 | } | |||
3010 | ||||
3011 | err = usbd_set_interface(iface, a->altnum); | |||
3012 | if (err) { | |||
3013 | printf("%s: can't set interface\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3014 | goto failed; | |||
3015 | } | |||
3016 | ||||
3017 | /* | |||
3018 | * Set the sample rate. | |||
3019 | * | |||
3020 | * Certain devices are able to lock their clock to the data | |||
3021 | * rate and expose no frequency control. In this case, the | |||
3022 | * request to set the frequency will fail, but this error is | |||
3023 | * safe to ignore. | |||
3024 | * | |||
3025 | * Such devices expose this capability in the class-specific | |||
3026 | * endpoint descriptor (UAC v1.0) or in the clock unit | |||
3027 | * descriptor (UAC v2.0) but we don't want to use them for now | |||
3028 | * as certain devices have them wrong, missing or misplaced. | |||
3029 | */ | |||
3030 | switch (sc->version) { | |||
3031 | case UAUDIO_V10x100: | |||
3032 | req_buf[0] = sc->rate; | |||
3033 | req_buf[1] = sc->rate >> 8; | |||
3034 | req_buf[2] = sc->rate >> 16; | |||
3035 | if (!uaudio_req(sc, UT_WRITE_CLASS_ENDPOINT(0x00 | 0x20 | 0x02), | |||
3036 | UAUDIO_V1_REQ_SET_CUR0x01, UAUDIO_REQSEL_RATE0x01, 0, | |||
3037 | a->data_addr, 0, req_buf, 3)) { | |||
3038 | DPRINTF("%s: not setting endpoint rate\n", __func__)do {} while(0); | |||
3039 | } | |||
3040 | break; | |||
3041 | case UAUDIO_V20x200: | |||
3042 | req_buf[0] = sc->rate; | |||
3043 | req_buf[1] = sc->rate >> 8; | |||
3044 | req_buf[2] = sc->rate >> 16; | |||
3045 | req_buf[3] = sc->rate >> 24; | |||
3046 | clock_id = uaudio_clock_id(sc); | |||
3047 | if (clock_id < 0) { | |||
3048 | printf("%s: can't get clock id\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3049 | goto failed; | |||
3050 | } | |||
3051 | if (!uaudio_req(sc, UT_WRITE_CLASS_INTERFACE(0x00 | 0x20 | 0x01), | |||
3052 | UAUDIO_V2_REQ_CUR1, UAUDIO_REQSEL_RATE0x01, 0, | |||
3053 | sc->ctl_ifnum, clock_id, req_buf, 4)) { | |||
3054 | DPRINTF("%s: not setting clock rate\n", __func__)do {} while(0); | |||
3055 | } | |||
3056 | break; | |||
3057 | } | |||
3058 | ||||
3059 | err = usbd_open_pipe(iface, a->data_addr, 0, &s->data_pipe); | |||
3060 | if (err) { | |||
3061 | printf("%s: can't open data pipe\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3062 | goto failed; | |||
3063 | } | |||
3064 | ||||
3065 | if (a->sync_addr) { | |||
3066 | err = usbd_open_pipe(iface, a->sync_addr, 0, &s->sync_pipe); | |||
3067 | if (err) { | |||
3068 | printf("%s: can't open sync pipe\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3069 | goto failed; | |||
3070 | } | |||
3071 | } | |||
3072 | ||||
3073 | s->data_nextxfer = 0; | |||
3074 | s->sync_nextxfer = 0; | |||
3075 | s->spf_remain = 0; | |||
3076 | ||||
3077 | s->intr = intr; | |||
3078 | s->arg = arg; | |||
3079 | s->ring_start = start; | |||
3080 | s->ring_end = end; | |||
3081 | s->ring_blksz = blksz; | |||
3082 | ||||
3083 | s->ring_pos = s->ring_start; | |||
3084 | s->ring_offs = 0; | |||
3085 | s->ring_icnt = 0; | |||
3086 | ||||
3087 | s->ubuf_xfer = 0; | |||
3088 | s->ubuf_pos = 0; | |||
3089 | return 0; | |||
3090 | ||||
3091 | failed: | |||
3092 | uaudio_stream_close(sc, dir); | |||
3093 | return ENOMEM12; | |||
3094 | } | |||
3095 | ||||
3096 | /* | |||
3097 | * Adjust play samples-per-frame to keep play and rec streams in sync. | |||
3098 | */ | |||
3099 | void | |||
3100 | uaudio_adjspf(struct uaudio_softc *sc) | |||
3101 | { | |||
3102 | struct uaudio_stream *s = &sc->pstream; | |||
3103 | int diff; | |||
3104 | ||||
3105 | if (sc->mode != (AUMODE_RECORD0x02 | AUMODE_PLAY0x01)) | |||
3106 | return; | |||
3107 | if (s->sync_pipe != NULL((void *)0)) | |||
3108 | return; | |||
3109 | ||||
3110 | /* | |||
3111 | * number of samples play stream is ahead of record stream. | |||
3112 | */ | |||
3113 | diff = sc->diff_nsamp; | |||
3114 | if (sc->diff_nframes > 0) { | |||
3115 | diff -= (uint64_t)sc->pstream.spf * | |||
3116 | sc->diff_nframes / UAUDIO_SPF_DIV327680; | |||
3117 | } else { | |||
3118 | diff += (uint64_t)sc->rstream.spf * | |||
3119 | -sc->diff_nframes / UAUDIO_SPF_DIV327680; | |||
3120 | } | |||
3121 | ||||
3122 | /* | |||
3123 | * adjust samples-per-frames to resync within the next second | |||
3124 | */ | |||
3125 | s->spf = (uint64_t)(sc->rate - diff) * UAUDIO_SPF_DIV327680 / sc->ufps; | |||
3126 | if (s->spf > s->spf_max) | |||
3127 | s->spf = s->spf_max; | |||
3128 | else if (s->spf < s->spf_min) | |||
3129 | s->spf = s->spf_min; | |||
3130 | #ifdef UAUDIO_DEBUG | |||
3131 | if (uaudio_debug >= 2) | |||
3132 | printf("%s: diff = %d, spf = 0x%x\n", __func__, diff, s->spf); | |||
3133 | #endif | |||
3134 | } | |||
3135 | ||||
3136 | /* | |||
3137 | * Copy one audio block to the xfer buffer. | |||
3138 | */ | |||
3139 | void | |||
3140 | uaudio_pdata_copy(struct uaudio_softc *sc) | |||
3141 | { | |||
3142 | struct uaudio_stream *s = &sc->pstream; | |||
3143 | struct uaudio_xfer *xfer; | |||
3144 | size_t count, avail; | |||
3145 | int index; | |||
3146 | #ifdef UAUDIO_DEBUG | |||
3147 | struct timeval tv; | |||
3148 | ||||
3149 | getmicrotime(&tv); | |||
3150 | #endif | |||
3151 | while (sc->copy_todo > 0 && s->ubuf_xfer < s->nxfers) { | |||
3152 | index = s->data_nextxfer + s->ubuf_xfer; | |||
3153 | if (index >= s->nxfers) | |||
3154 | index -= s->nxfers; | |||
3155 | xfer = s->data_xfers + index; | |||
3156 | avail = s->ring_end - s->ring_pos; | |||
3157 | count = xfer->size - s->ubuf_pos; | |||
3158 | if (count > avail) | |||
3159 | count = avail; | |||
3160 | if (count > sc->copy_todo) | |||
3161 | count = sc->copy_todo; | |||
3162 | #ifdef UAUDIO_DEBUG | |||
3163 | if (uaudio_debug >= 2) { | |||
3164 | printf("%s: %llu.%06lu: %zd..%zd -> %u:%u..%zu\n", | |||
3165 | __func__, tv.tv_sec, tv.tv_usec, | |||
3166 | s->ring_pos - s->ring_start, | |||
3167 | s->ring_pos - s->ring_start + count, | |||
3168 | s->ubuf_xfer, s->ubuf_pos, s->ubuf_pos + count); | |||
3169 | } | |||
3170 | #endif | |||
3171 | memcpy(xfer->buf + s->ubuf_pos, s->ring_pos, count)__builtin_memcpy((xfer->buf + s->ubuf_pos), (s->ring_pos ), (count)); | |||
3172 | sc->copy_todo -= count; | |||
3173 | s->ring_pos += count; | |||
3174 | if (s->ring_pos == s->ring_end) { | |||
3175 | s->ring_pos = s->ring_start; | |||
3176 | } | |||
3177 | s->ubuf_pos += count; | |||
3178 | if (s->ubuf_pos == xfer->size) { | |||
3179 | usb_syncmem(&xfer->usb_xfer->dmabuf, 0, xfer->size, | |||
3180 | BUS_DMASYNC_PREWRITE0x04); | |||
3181 | s->ubuf_pos = 0; | |||
3182 | #ifdef DIAGNOSTIC1 | |||
3183 | if (s->ubuf_xfer == s->nxfers) { | |||
3184 | printf("%s: overflow\n", __func__); | |||
3185 | return; | |||
3186 | } | |||
3187 | #endif | |||
3188 | s->ubuf_xfer++; | |||
3189 | } | |||
3190 | } | |||
3191 | } | |||
3192 | ||||
3193 | /* | |||
3194 | * Calculate and fill xfer frames sizes. | |||
3195 | */ | |||
3196 | void | |||
3197 | uaudio_pdata_calcsizes(struct uaudio_softc *sc, struct uaudio_xfer *xfer) | |||
3198 | { | |||
3199 | #ifdef UAUDIO_DEBUG | |||
3200 | struct timeval tv; | |||
3201 | #endif | |||
3202 | struct uaudio_stream *s = &sc->pstream; | |||
3203 | struct uaudio_alt *a = sc->params->palt; | |||
3204 | unsigned int fsize, bpf; | |||
3205 | int done; | |||
3206 | ||||
3207 | bpf = a->bps * a->nch; | |||
3208 | done = s->ring_offs; | |||
3209 | xfer->nframes = 0; | |||
3210 | ||||
3211 | while (1) { | |||
3212 | /* | |||
3213 | * if we crossed the next block boundary, we're done | |||
3214 | */ | |||
3215 | if ((xfer->nframes & s->nframes_mask) == 0 && | |||
3216 | done > s->safe_blksz) | |||
3217 | break; | |||
3218 | ||||
3219 | /* | |||
3220 | * this can't happen, debug only | |||
3221 | */ | |||
3222 | if (xfer->nframes == s->nframes_max) { | |||
3223 | printf("%s: too many frames for play xfer: " | |||
3224 | "done = %u, blksz = %d\n", | |||
3225 | DEVNAME(sc)((sc)->dev.dv_xname), done, s->ring_blksz); | |||
3226 | break; | |||
3227 | } | |||
3228 | ||||
3229 | /* | |||
3230 | * calculate frame size and adjust state | |||
3231 | */ | |||
3232 | s->spf_remain += s->spf; | |||
3233 | fsize = s->spf_remain / UAUDIO_SPF_DIV327680 * bpf; | |||
3234 | s->spf_remain %= UAUDIO_SPF_DIV327680; | |||
3235 | done += fsize; | |||
3236 | xfer->sizes[xfer->nframes] = fsize; | |||
3237 | xfer->nframes++; | |||
3238 | } | |||
3239 | ||||
3240 | xfer->size = done - s->ring_offs; | |||
3241 | s->ring_offs = done - s->ring_blksz; | |||
3242 | ||||
3243 | #ifdef UAUDIO_DEBUG | |||
3244 | if (uaudio_debug >= 3) { | |||
3245 | getmicrotime(&tv); | |||
3246 | printf("%s: size = %d, offs -> %d\n", __func__, | |||
3247 | xfer->size, s->ring_offs); | |||
3248 | } | |||
3249 | #endif | |||
3250 | memset(xfer->buf, 0, xfer->size)__builtin_memset((xfer->buf), (0), (xfer->size)); | |||
3251 | } | |||
3252 | ||||
3253 | /* | |||
3254 | * Submit a play data transfer to the USB driver. | |||
3255 | */ | |||
3256 | void | |||
3257 | uaudio_pdata_xfer(struct uaudio_softc *sc) | |||
3258 | { | |||
3259 | #ifdef UAUDIO_DEBUG | |||
3260 | struct timeval tv; | |||
3261 | #endif | |||
3262 | struct uaudio_stream *s = &sc->pstream; | |||
3263 | struct uaudio_xfer *xfer; | |||
3264 | int err; | |||
3265 | ||||
3266 | xfer = s->data_xfers + s->data_nextxfer; | |||
3267 | ||||
3268 | #ifdef UAUDIO_DEBUG | |||
3269 | if (uaudio_debug >= 3) { | |||
3270 | getmicrotime(&tv); | |||
3271 | printf("%s: %llu.%06lu: " | |||
3272 | "%d bytes, %u frames, remain = 0x%x, offs = %d\n", | |||
3273 | __func__, tv.tv_sec, tv.tv_usec, | |||
3274 | xfer->size, xfer->nframes, | |||
3275 | s->spf_remain, s->ring_offs); | |||
3276 | } | |||
3277 | #endif | |||
3278 | ||||
3279 | /* this can't happen, debug only */ | |||
3280 | if (xfer->nframes == 0) { | |||
3281 | printf("%s: zero frame play xfer\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3282 | return; | |||
3283 | } | |||
3284 | ||||
3285 | /* | |||
3286 | * We accept short transfers because in case of babble/stale frames | |||
3287 | * the transfer will be short | |||
3288 | */ | |||
3289 | usbd_setup_isoc_xfer(xfer->usb_xfer, s->data_pipe, sc, | |||
3290 | xfer->sizes, xfer->nframes, | |||
3291 | USBD_NO_COPY0x01 | USBD_SHORT_XFER_OK0x04, | |||
3292 | uaudio_pdata_intr); | |||
3293 | ||||
3294 | err = usbd_transfer(xfer->usb_xfer); | |||
3295 | if (err != 0 && err != USBD_IN_PROGRESS) | |||
3296 | printf("%s: play xfer, err = %d\n", DEVNAME(sc)((sc)->dev.dv_xname), err); | |||
3297 | ||||
3298 | if (++s->data_nextxfer == s->nxfers) | |||
3299 | s->data_nextxfer = 0; | |||
3300 | } | |||
3301 | ||||
3302 | /* | |||
3303 | * Callback called by the USB driver upon completion of play data transfer. | |||
3304 | */ | |||
3305 | void | |||
3306 | uaudio_pdata_intr(struct usbd_xfer *usb_xfer, void *arg, usbd_status status) | |||
3307 | { | |||
3308 | #ifdef UAUDIO_DEBUG | |||
3309 | struct timeval tv; | |||
3310 | #endif | |||
3311 | struct uaudio_softc *sc = arg; | |||
3312 | struct uaudio_stream *s = &sc->pstream; | |||
3313 | struct uaudio_xfer *xfer; | |||
3314 | uint32_t size; | |||
3315 | int nintr; | |||
3316 | ||||
3317 | if (status != 0 && status != USBD_IOERROR) { | |||
3318 | DPRINTF("%s: xfer status = %d\n", __func__, status)do {} while(0); | |||
3319 | return; | |||
3320 | } | |||
3321 | ||||
3322 | xfer = s->data_xfers + s->data_nextxfer; | |||
3323 | if (xfer->usb_xfer != usb_xfer) { | |||
3324 | DPRINTF("%s: wrong xfer\n", __func__)do {} while(0); | |||
3325 | return; | |||
3326 | } | |||
3327 | ||||
3328 | sc->diff_nsamp += xfer->size / | |||
3329 | (sc->params->palt->nch * sc->params->palt->bps); | |||
3330 | sc->diff_nframes += xfer->nframes; | |||
3331 | ||||
3332 | #ifdef UAUDIO_DEBUG | |||
3333 | if (uaudio_debug >= 2) { | |||
3334 | getmicrotime(&tv); | |||
3335 | printf("%s: %llu.%06lu: %u: %u bytes\n", | |||
3336 | __func__, tv.tv_sec, tv.tv_usec, | |||
3337 | s->data_nextxfer, xfer->size); | |||
3338 | } | |||
3339 | #endif | |||
3340 | usbd_get_xfer_status(usb_xfer, NULL((void *)0), NULL((void *)0), &size, NULL((void *)0)); | |||
3341 | if (size != xfer->size) { | |||
3342 | DPRINTF("%s: %u bytes out of %u: incomplete play xfer\n",do {} while(0) | |||
3343 | DEVNAME(sc), size, xfer->size)do {} while(0); | |||
3344 | } | |||
3345 | ||||
3346 | /* | |||
3347 | * Upper layer call-back may call uaudio_underrun(), which | |||
3348 | * needs the current size of this transfer. So, don't | |||
3349 | * recalculate the sizes and don't schedule the transfer yet. | |||
3350 | */ | |||
3351 | s->ring_icnt += xfer->size; | |||
3352 | nintr = 0; | |||
3353 | mtx_enter(&audio_lock); | |||
3354 | while (s->ring_icnt >= s->ring_blksz) { | |||
3355 | s->intr(s->arg); | |||
3356 | s->ring_icnt -= s->ring_blksz; | |||
3357 | nintr++; | |||
3358 | } | |||
3359 | mtx_leave(&audio_lock); | |||
3360 | if (nintr != 1) | |||
3361 | printf("%s: %d: bad play intr count\n", __func__, nintr); | |||
3362 | ||||
3363 | uaudio_pdata_calcsizes(sc, xfer); | |||
3364 | uaudio_pdata_xfer(sc); | |||
3365 | #ifdef DIAGNOSTIC1 | |||
3366 | if (s->ubuf_xfer == 0) { | |||
3367 | printf("%s: underflow\n", __func__); | |||
3368 | return; | |||
3369 | } | |||
3370 | #endif | |||
3371 | s->ubuf_xfer--; | |||
3372 | uaudio_pdata_copy(sc); | |||
3373 | } | |||
3374 | ||||
3375 | /* | |||
3376 | * Submit a play sync transfer to the USB driver. | |||
3377 | */ | |||
3378 | void | |||
3379 | uaudio_psync_xfer(struct uaudio_softc *sc) | |||
3380 | { | |||
3381 | #ifdef UAUDIO_DEBUG | |||
3382 | struct timeval tv; | |||
3383 | #endif | |||
3384 | struct uaudio_stream *s = &sc->pstream; | |||
3385 | struct uaudio_xfer *xfer; | |||
3386 | unsigned int i; | |||
3387 | int err; | |||
3388 | ||||
3389 | xfer = s->sync_xfers + s->sync_nextxfer; | |||
3390 | xfer->nframes = 1; | |||
3391 | ||||
3392 | for (i = 0; i < xfer->nframes; i++) | |||
3393 | xfer->sizes[i] = sc->sync_pktsz; | |||
3394 | ||||
3395 | xfer->size = xfer->nframes * sc->sync_pktsz; | |||
3396 | ||||
3397 | #ifdef UAUDIO_DEBUG | |||
3398 | memset(xfer->buf, 0xd0, sc->sync_pktsz * xfer->nframes)__builtin_memset((xfer->buf), (0xd0), (sc->sync_pktsz * xfer->nframes)); | |||
3399 | #endif | |||
3400 | ||||
3401 | usbd_setup_isoc_xfer(xfer->usb_xfer, s->sync_pipe, sc, | |||
3402 | xfer->sizes, xfer->nframes, | |||
3403 | USBD_NO_COPY0x01 | USBD_SHORT_XFER_OK0x04, | |||
3404 | uaudio_psync_intr); | |||
3405 | ||||
3406 | err = usbd_transfer(xfer->usb_xfer); | |||
3407 | if (err != 0 && err != USBD_IN_PROGRESS) | |||
3408 | printf("%s: sync play xfer, err = %d\n", DEVNAME(sc)((sc)->dev.dv_xname), err); | |||
3409 | ||||
3410 | if (++s->sync_nextxfer == s->nxfers) | |||
3411 | s->sync_nextxfer = 0; | |||
3412 | ||||
3413 | #ifdef UAUDIO_DEBUG | |||
3414 | if (uaudio_debug >= 3) { | |||
3415 | getmicrotime(&tv); | |||
3416 | printf("%s: %llu.%06lu: %dB, %d fr\n", __func__, | |||
3417 | tv.tv_sec, tv.tv_usec, sc->sync_pktsz, xfer->nframes); | |||
3418 | } | |||
3419 | #endif | |||
3420 | } | |||
3421 | ||||
3422 | /* | |||
3423 | * Callback called by the USB driver upon completion of play sync transfer. | |||
3424 | */ | |||
3425 | void | |||
3426 | uaudio_psync_intr(struct usbd_xfer *usb_xfer, void *arg, usbd_status status) | |||
3427 | { | |||
3428 | #ifdef UAUDIO_DEBUG | |||
3429 | struct timeval tv; | |||
3430 | #endif | |||
3431 | struct uaudio_softc *sc = arg; | |||
3432 | struct uaudio_stream *s = &sc->pstream; | |||
3433 | struct uaudio_xfer *xfer; | |||
3434 | unsigned char *buf; | |||
3435 | unsigned int i; | |||
3436 | int32_t val; | |||
3437 | ||||
3438 | if (status != 0) { | |||
3439 | DPRINTF("%s: xfer status = %d\n", __func__, status)do {} while(0); | |||
3440 | return; | |||
3441 | } | |||
3442 | ||||
3443 | xfer = s->sync_xfers + s->sync_nextxfer; | |||
3444 | if (xfer->usb_xfer != usb_xfer) { | |||
3445 | DPRINTF("%s: wrong xfer\n", __func__)do {} while(0); | |||
3446 | return; | |||
3447 | } | |||
3448 | ||||
3449 | /* XXX: there's only one frame, the loop is not necessary */ | |||
3450 | ||||
3451 | buf = xfer->buf; | |||
3452 | for (i = 0; i < xfer->nframes; i++) { | |||
3453 | if (xfer->sizes[i] == sc->sync_pktsz) { | |||
3454 | val = buf[0] | buf[1] << 8 | buf[2] << 16; | |||
3455 | if (sc->sync_pktsz == 4) | |||
3456 | val |= xfer->buf[3] << 24; | |||
3457 | else | |||
3458 | val <<= 2; | |||
3459 | val *= UAUDIO_SPF_DIV327680 / (1 << 16); | |||
3460 | #ifdef UAUDIO_DEBUG | |||
3461 | if (uaudio_debug >= 2) { | |||
3462 | getmicrotime(&tv); | |||
3463 | printf("%s: %llu.%06lu: spf: %08x\n", | |||
3464 | __func__, tv.tv_sec, tv.tv_usec, val); | |||
3465 | } | |||
3466 | #endif | |||
3467 | if (val > s->spf_max) | |||
3468 | s->spf = s->spf_max; | |||
3469 | else if (val < s->spf_min) | |||
3470 | s->spf = s->spf_min; | |||
3471 | else | |||
3472 | s->spf = val; | |||
3473 | } | |||
3474 | buf += sc->sync_pktsz; | |||
3475 | } | |||
3476 | ||||
3477 | uaudio_psync_xfer(sc); | |||
3478 | } | |||
3479 | ||||
3480 | /* | |||
3481 | * Submit a rec data transfer to the USB driver. | |||
3482 | */ | |||
3483 | void | |||
3484 | uaudio_rdata_xfer(struct uaudio_softc *sc) | |||
3485 | { | |||
3486 | #ifdef UAUDIO_DEBUG | |||
3487 | struct timeval tv; | |||
3488 | #endif | |||
3489 | struct uaudio_stream *s = &sc->rstream; | |||
3490 | struct uaudio_alt *a = sc->params->ralt; | |||
3491 | struct uaudio_xfer *xfer; | |||
3492 | unsigned int fsize, bpf; | |||
3493 | int done; | |||
3494 | int err; | |||
3495 | ||||
3496 | xfer = s->data_xfers + s->data_nextxfer; | |||
3497 | bpf = a->bps * a->nch; | |||
3498 | xfer->nframes = 0; | |||
3499 | done = s->ring_offs; | |||
3500 | ||||
3501 | while (1) { | |||
3502 | /* | |||
3503 | * if we crossed the next block boundary, we're done | |||
3504 | */ | |||
3505 | if ((xfer->nframes & s->nframes_mask) == 0 && | |||
3506 | done > s->safe_blksz) { | |||
3507 | done: | |||
3508 | xfer->size = done - s->ring_offs; | |||
3509 | s->ring_offs = done - s->ring_blksz; | |||
3510 | break; | |||
3511 | } | |||
3512 | ||||
3513 | /* | |||
3514 | * this can't happen, debug only | |||
3515 | */ | |||
3516 | if (xfer->nframes == s->nframes_max) { | |||
3517 | printf("%s: too many frames for rec xfer: " | |||
3518 | "done = %d, blksz = %d\n", | |||
3519 | DEVNAME(sc)((sc)->dev.dv_xname), done, s->ring_blksz); | |||
3520 | goto done; | |||
3521 | } | |||
3522 | ||||
3523 | /* | |||
3524 | * estimate next block using s->spf, but allow | |||
3525 | * transfers up to maxpkt | |||
3526 | */ | |||
3527 | s->spf_remain += s->spf; | |||
3528 | fsize = s->spf_remain / UAUDIO_SPF_DIV327680 * bpf; | |||
3529 | s->spf_remain %= UAUDIO_SPF_DIV327680; | |||
3530 | done += fsize; | |||
3531 | xfer->sizes[xfer->nframes] = s->maxpkt; | |||
3532 | xfer->nframes++; | |||
3533 | } | |||
3534 | ||||
3535 | #ifdef UAUDIO_DEBUG | |||
3536 | if (uaudio_debug >= 3) { | |||
3537 | getmicrotime(&tv); | |||
3538 | printf("%s: %llu.%06lu: " | |||
3539 | "%u fr, %d bytes (max %d), offs = %d\n", | |||
3540 | __func__, tv.tv_sec, tv.tv_usec, | |||
3541 | xfer->nframes, xfer->size, | |||
3542 | s->maxpkt * xfer->nframes, s->ring_offs); | |||
3543 | } | |||
3544 | #endif | |||
3545 | ||||
3546 | /* this can't happen, debug only */ | |||
3547 | if (xfer->nframes == 0) { | |||
3548 | printf("%s: zero frame rec xfer\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3549 | return; | |||
3550 | } | |||
3551 | ||||
3552 | #ifdef UAUDIO_DEBUG | |||
3553 | memset(xfer->buf, 0xd0, s->maxpkt * xfer->nframes)__builtin_memset((xfer->buf), (0xd0), (s->maxpkt * xfer ->nframes)); | |||
3554 | #endif | |||
3555 | usbd_setup_isoc_xfer(xfer->usb_xfer, s->data_pipe, sc, | |||
3556 | xfer->sizes, xfer->nframes, USBD_NO_COPY0x01 | USBD_SHORT_XFER_OK0x04, | |||
3557 | uaudio_rdata_intr); | |||
3558 | ||||
3559 | err = usbd_transfer(xfer->usb_xfer); | |||
3560 | if (err != 0 && err != USBD_IN_PROGRESS) | |||
3561 | printf("%s: rec xfer, err = %d\n", DEVNAME(sc)((sc)->dev.dv_xname), err); | |||
3562 | ||||
3563 | if (++s->data_nextxfer == s->nxfers) | |||
3564 | s->data_nextxfer = 0; | |||
3565 | } | |||
3566 | ||||
3567 | /* | |||
3568 | * Callback called by the USB driver upon completion of rec data transfer. | |||
3569 | */ | |||
3570 | void | |||
3571 | uaudio_rdata_intr(struct usbd_xfer *usb_xfer, void *arg, usbd_status status) | |||
3572 | { | |||
3573 | #ifdef UAUDIO_DEBUG | |||
3574 | struct timeval tv; | |||
3575 | #endif | |||
3576 | struct uaudio_softc *sc = arg; | |||
3577 | struct uaudio_stream *s = &sc->rstream; | |||
3578 | struct uaudio_alt *a = sc->params->ralt; | |||
3579 | struct uaudio_xfer *xfer; | |||
3580 | unsigned char *buf, *framebuf; | |||
3581 | unsigned int count, fsize, fsize_min, nframes, bpf; | |||
3582 | unsigned int data_size, null_count; | |||
3583 | unsigned int nintr; | |||
3584 | ||||
3585 | if (status != 0) { | |||
3586 | DPRINTF("%s: xfer status = %d\n", __func__, status)do {} while(0); | |||
3587 | return; | |||
3588 | } | |||
3589 | ||||
3590 | xfer = s->data_xfers + s->data_nextxfer; | |||
3591 | if (xfer->usb_xfer != usb_xfer) { | |||
3592 | DPRINTF("%s: wrong xfer\n", __func__)do {} while(0); | |||
3593 | return; | |||
3594 | } | |||
3595 | ||||
3596 | bpf = a->bps * a->nch; | |||
3597 | framebuf = xfer->buf; | |||
3598 | nframes = 0; | |||
3599 | null_count = 0; | |||
3600 | data_size = 0; | |||
3601 | fsize_min = s->spf_min / UAUDIO_SPF_DIV327680; | |||
3602 | for (nframes = 0; nframes < xfer->nframes; nframes++) { | |||
3603 | ||||
3604 | /* | |||
3605 | * Device clock may take some time to lock during which | |||
3606 | * we'd receive empty or incomplete packets for which we | |||
3607 | * need to generate silence. | |||
3608 | */ | |||
3609 | fsize = xfer->sizes[nframes]; | |||
3610 | if (fsize < fsize_min) { | |||
3611 | s->spf_remain += s->spf; | |||
3612 | fsize = s->spf_remain / UAUDIO_SPF_DIV327680 * bpf; | |||
3613 | s->spf_remain %= UAUDIO_SPF_DIV327680; | |||
3614 | memset(framebuf, 0, fsize)__builtin_memset((framebuf), (0), (fsize)); | |||
3615 | null_count++; | |||
3616 | } | |||
3617 | data_size += fsize; | |||
3618 | ||||
3619 | /* | |||
3620 | * fill ring from frame buffer, handling | |||
3621 | * boundary conditions | |||
3622 | */ | |||
3623 | buf = framebuf; | |||
3624 | while (fsize > 0) { | |||
3625 | count = s->ring_end - s->ring_pos; | |||
3626 | if (count > fsize) | |||
3627 | count = fsize; | |||
3628 | memcpy(s->ring_pos, buf, count)__builtin_memcpy((s->ring_pos), (buf), (count)); | |||
3629 | s->ring_pos += count; | |||
3630 | if (s->ring_pos == s->ring_end) | |||
3631 | s->ring_pos = s->ring_start; | |||
3632 | buf += count; | |||
3633 | fsize -= count; | |||
3634 | } | |||
3635 | ||||
3636 | framebuf += s->maxpkt; | |||
3637 | } | |||
3638 | ||||
3639 | s->ring_offs += data_size - xfer->size; | |||
3640 | s->ring_icnt += data_size; | |||
3641 | ||||
3642 | sc->diff_nsamp -= data_size / | |||
3643 | (sc->params->ralt->nch * sc->params->ralt->bps); | |||
3644 | sc->diff_nframes -= xfer->nframes; | |||
3645 | ||||
3646 | sc->adjspf_age += xfer->nframes; | |||
3647 | if (sc->adjspf_age >= sc->ufps / 8) { | |||
3648 | sc->adjspf_age -= sc->ufps / 8; | |||
3649 | uaudio_adjspf(sc); | |||
3650 | } | |||
3651 | ||||
3652 | #ifdef UAUDIO_DEBUG | |||
3653 | if (uaudio_debug >= 2) { | |||
3654 | getmicrotime(&tv); | |||
3655 | printf("%s: %llu.%06lu: %u: " | |||
3656 | "%u bytes of %u, offs -> %d\n", | |||
3657 | __func__, tv.tv_sec, tv.tv_usec, | |||
3658 | s->data_nextxfer, data_size, xfer->size, s->ring_offs); | |||
3659 | } | |||
3660 | if (null_count > 0) { | |||
3661 | DPRINTF("%s: %u null frames out of %u: incomplete record xfer\n",do {} while(0) | |||
3662 | DEVNAME(sc), null_count, xfer->nframes)do {} while(0); | |||
3663 | } | |||
3664 | #endif | |||
3665 | uaudio_rdata_xfer(sc); | |||
3666 | ||||
3667 | nintr = 0; | |||
3668 | mtx_enter(&audio_lock); | |||
3669 | while (s->ring_icnt >= s->ring_blksz) { | |||
3670 | s->intr(s->arg); | |||
3671 | s->ring_icnt -= s->ring_blksz; | |||
3672 | nintr++; | |||
3673 | } | |||
3674 | mtx_leave(&audio_lock); | |||
3675 | if (nintr != 1) | |||
3676 | printf("%s: %u: bad rec intr count\n", DEVNAME(sc)((sc)->dev.dv_xname), nintr); | |||
3677 | } | |||
3678 | ||||
3679 | /* | |||
3680 | * Start simultaneously playback and recording, unless trigger_input() | |||
3681 | * and trigger_output() were not both called yet. | |||
3682 | */ | |||
3683 | void | |||
3684 | uaudio_trigger(struct uaudio_softc *sc) | |||
3685 | { | |||
3686 | int i, s; | |||
3687 | ||||
3688 | if (sc->mode != sc->trigger_mode) | |||
3689 | return; | |||
3690 | ||||
3691 | DPRINTF("%s: preparing\n", __func__)do {} while(0); | |||
3692 | if (sc->mode & AUMODE_PLAY0x01) { | |||
3693 | for (i = 0; i < sc->pstream.nxfers; i++) | |||
3694 | uaudio_pdata_calcsizes(sc, sc->pstream.data_xfers + i); | |||
3695 | ||||
3696 | uaudio_pdata_copy(sc); | |||
3697 | } | |||
3698 | ||||
3699 | sc->diff_nsamp = 0; | |||
3700 | sc->diff_nframes = 0; | |||
3701 | sc->adjspf_age = 0; | |||
3702 | ||||
3703 | DPRINTF("%s: starting\n", __func__)do {} while(0); | |||
3704 | s = splusb()splraise(0x2); | |||
3705 | for (i = 0; i < UAUDIO_NXFERS_MAX8; i++) { | |||
3706 | if ((sc->mode & AUMODE_PLAY0x01) && i < sc->pstream.nxfers) { | |||
3707 | if (sc->pstream.sync_pipe) | |||
3708 | uaudio_psync_xfer(sc); | |||
3709 | uaudio_pdata_xfer(sc); | |||
3710 | } | |||
3711 | if ((sc->mode & AUMODE_RECORD0x02) && i < sc->rstream.nxfers) | |||
3712 | uaudio_rdata_xfer(sc); | |||
3713 | } | |||
3714 | splx(s)spllower(s); | |||
3715 | } | |||
3716 | ||||
3717 | void | |||
3718 | uaudio_print(struct uaudio_softc *sc) | |||
3719 | { | |||
3720 | struct uaudio_unit *u; | |||
3721 | struct uaudio_mixent *m; | |||
3722 | struct uaudio_params *p; | |||
3723 | int pchan = 0, rchan = 0, async = 0; | |||
3724 | int nctl = 0; | |||
3725 | ||||
3726 | for (u = sc->unit_list; u != NULL((void *)0); u = u->unit_next) { | |||
3727 | m = u->mixent_list; | |||
3728 | while (1) { | |||
3729 | uaudio_mixer_skip(&m); | |||
3730 | if (m == NULL((void *)0)) | |||
3731 | break; | |||
3732 | m = m->next; | |||
3733 | nctl++; | |||
3734 | } | |||
3735 | } | |||
3736 | ||||
3737 | for (p = sc->params_list; p != NULL((void *)0); p = p->next) { | |||
3738 | if (p->palt && p->palt->nch > pchan) | |||
3739 | pchan = p->palt->nch; | |||
3740 | if (p->ralt && p->ralt->nch > rchan) | |||
3741 | rchan = p->ralt->nch; | |||
3742 | if (p->palt && p->palt->sync_addr) | |||
3743 | async = 1; | |||
3744 | if (p->ralt && p->ralt->sync_addr) | |||
3745 | async = 1; | |||
3746 | } | |||
3747 | ||||
3748 | printf("%s: class v%d, %s, %s, channels: %d play, %d rec, %d ctls\n", | |||
3749 | DEVNAME(sc)((sc)->dev.dv_xname), | |||
3750 | sc->version >> 8, | |||
3751 | sc->ufps == 1000 ? "full-speed" : "high-speed", | |||
3752 | async ? "async" : "sync", | |||
3753 | pchan, rchan, nctl); | |||
3754 | } | |||
3755 | ||||
3756 | int | |||
3757 | uaudio_match(struct device *parent, void *match, void *aux) | |||
3758 | { | |||
3759 | struct usb_attach_arg *arg = aux; | |||
3760 | struct usb_interface_descriptor *idesc; | |||
3761 | ||||
3762 | if (arg->iface == NULL((void *)0) || arg->device == NULL((void *)0)) | |||
3763 | return UMATCH_NONE0; | |||
3764 | ||||
3765 | idesc = usbd_get_interface_descriptor(arg->iface); | |||
3766 | if (idesc == NULL((void *)0)) { | |||
3767 | DPRINTF("%s: couldn't get idesc\n", __func__)do {} while(0); | |||
3768 | return UMATCH_NONE0; | |||
3769 | } | |||
3770 | ||||
3771 | if (idesc->bInterfaceClass != UICLASS_AUDIO0x01 || | |||
3772 | idesc->bInterfaceSubClass != UISUBCLASS_AUDIOSTREAM2) | |||
3773 | return UMATCH_NONE0; | |||
3774 | ||||
3775 | return UMATCH_VENDOR_PRODUCT_CONF_IFACE8; | |||
3776 | } | |||
3777 | ||||
3778 | void | |||
3779 | uaudio_attach(struct device *parent, struct device *self, void *aux) | |||
3780 | { | |||
3781 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
3782 | struct usb_attach_arg *arg = aux; | |||
3783 | struct usb_config_descriptor *cdesc; | |||
3784 | struct uaudio_blob desc; | |||
3785 | ||||
3786 | /* | |||
3787 | * this device has audio AC or AS or MS interface, get the | |||
3788 | * full config descriptor and attach audio devices | |||
3789 | */ | |||
3790 | ||||
3791 | cdesc = usbd_get_config_descriptor(arg->device); | |||
3792 | if (cdesc == NULL((void *)0)) | |||
3793 | return; | |||
3794 | ||||
3795 | desc.rptr = (unsigned char *)cdesc; | |||
3796 | desc.wptr = desc.rptr + UGETW(cdesc->wTotalLength)(*(u_int16_t *)(cdesc->wTotalLength)); | |||
3797 | ||||
3798 | sc->udev = arg->device; | |||
3799 | sc->unit_list = NULL((void *)0); | |||
3800 | sc->names = NULL((void *)0); | |||
3801 | sc->alts = NULL((void *)0); | |||
3802 | sc->params_list = NULL((void *)0); | |||
3803 | sc->clock = NULL((void *)0); | |||
3804 | sc->params = NULL((void *)0); | |||
3805 | sc->rate = 0; | |||
3806 | sc->mode = 0; | |||
3807 | sc->trigger_mode = 0; | |||
3808 | sc->copy_todo = 0; | |||
3809 | ||||
3810 | /* | |||
3811 | * Ideally the USB host controller should expose the number of | |||
3812 | * frames we're allowed to schedule, but there's no such | |||
3813 | * interface. The uhci(4) driver can buffer up to 128 frames | |||
3814 | * (or it crashes), ehci(4) starts recording null frames if we | |||
3815 | * exceed 256 (micro-)frames, ohci(4) works with at most 50 | |||
3816 | * frames. | |||
3817 | */ | |||
3818 | switch (sc->udev->speed) { | |||
3819 | case USB_SPEED_LOW1: | |||
3820 | case USB_SPEED_FULL2: | |||
3821 | sc->ufps = 1000; | |||
3822 | sc->sync_pktsz = 3; | |||
3823 | sc->host_nframes = 50; | |||
3824 | break; | |||
3825 | case USB_SPEED_HIGH3: | |||
3826 | case USB_SPEED_SUPER4: | |||
3827 | sc->ufps = 8000; | |||
3828 | sc->sync_pktsz = 4; | |||
3829 | sc->host_nframes = 240; | |||
3830 | break; | |||
3831 | default: | |||
3832 | printf("%s: unsupported bus speed\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3833 | return; | |||
3834 | } | |||
3835 | ||||
3836 | if (!uaudio_process_conf(sc, &desc)) | |||
3837 | return; | |||
3838 | ||||
3839 | #ifdef UAUDIO_DEBUG | |||
3840 | if (uaudio_debug) | |||
3841 | uaudio_conf_print(sc); | |||
3842 | #endif | |||
3843 | /* print a nice uaudio attach line */ | |||
3844 | uaudio_print(sc); | |||
3845 | ||||
3846 | audio_attach_mi(&uaudio_hw_if, sc, arg->cookie, &sc->dev); | |||
3847 | } | |||
3848 | ||||
3849 | int | |||
3850 | uaudio_detach(struct device *self, int flags) | |||
3851 | { | |||
3852 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
3853 | struct uaudio_unit *unit; | |||
3854 | struct uaudio_params *params; | |||
3855 | struct uaudio_alt *alt; | |||
3856 | struct uaudio_name *name; | |||
3857 | struct uaudio_mixent *mixent; | |||
3858 | int rv; | |||
3859 | ||||
3860 | rv = config_detach_children(self, flags); | |||
3861 | ||||
3862 | usbd_ref_wait(sc->udev); | |||
3863 | ||||
3864 | while ((alt = sc->alts) != NULL((void *)0)) { | |||
3865 | sc->alts = alt->next; | |||
3866 | free(alt, M_USBDEV102, sizeof(struct uaudio_alt)); | |||
3867 | } | |||
3868 | ||||
3869 | while ((params = sc->params_list) != NULL((void *)0)) { | |||
3870 | sc->params_list = params->next; | |||
3871 | free(params, M_USBDEV102, sizeof(struct uaudio_params)); | |||
3872 | } | |||
3873 | ||||
3874 | while ((unit = sc->unit_list) != NULL((void *)0)) { | |||
3875 | sc->unit_list = unit->unit_next; | |||
3876 | while ((mixent = unit->mixent_list) != NULL((void *)0)) { | |||
3877 | unit->mixent_list = mixent->next; | |||
3878 | uaudio_ranges_clear(&mixent->ranges); | |||
3879 | free(mixent, M_USBDEV102, sizeof(struct uaudio_mixent)); | |||
3880 | } | |||
3881 | uaudio_ranges_clear(&unit->rates); | |||
3882 | free(unit, M_USBDEV102, sizeof(struct uaudio_unit)); | |||
3883 | } | |||
3884 | ||||
3885 | while ((name = sc->names)) { | |||
3886 | sc->names = name->next; | |||
3887 | free(name, M_USBDEV102, sizeof(struct uaudio_name)); | |||
3888 | } | |||
3889 | ||||
3890 | return rv; | |||
3891 | } | |||
3892 | ||||
3893 | int | |||
3894 | uaudio_open(void *self, int flags) | |||
3895 | { | |||
3896 | struct uaudio_softc *sc = self; | |||
3897 | struct uaudio_params *p; | |||
3898 | ||||
3899 | if (usbd_is_dying(sc->udev)) | |||
3900 | return EIO5; | |||
3901 | ||||
3902 | usbd_ref_incr(sc->udev); | |||
3903 | ||||
3904 | flags &= (FREAD0x0001 | FWRITE0x0002); | |||
3905 | ||||
3906 | for (p = sc->params_list; p != NULL((void *)0); p = p->next) { | |||
3907 | switch (flags) { | |||
3908 | case FWRITE0x0002: | |||
3909 | if (!p->palt) | |||
3910 | break; | |||
3911 | sc->mode = AUMODE_PLAY0x01; | |||
3912 | return 0; | |||
3913 | case FREAD0x0001: | |||
3914 | if (!p->ralt) | |||
3915 | break; | |||
3916 | sc->mode = AUMODE_RECORD0x02; | |||
3917 | return 0; | |||
3918 | case FREAD0x0001 | FWRITE0x0002: | |||
3919 | if (!(p->ralt && p->palt)) | |||
3920 | break; | |||
3921 | sc->mode = AUMODE_RECORD0x02 | AUMODE_PLAY0x01; | |||
3922 | return 0; | |||
3923 | } | |||
3924 | } | |||
3925 | ||||
3926 | usbd_ref_decr(sc->udev); | |||
3927 | return ENXIO6; | |||
3928 | } | |||
3929 | ||||
3930 | void | |||
3931 | uaudio_close(void *self) | |||
3932 | { | |||
3933 | struct uaudio_softc *sc = self; | |||
3934 | ||||
3935 | sc->mode = 0; | |||
3936 | usbd_ref_decr(sc->udev); | |||
3937 | } | |||
3938 | ||||
3939 | int | |||
3940 | uaudio_set_params(void *self, int setmode, int usemode, | |||
3941 | struct audio_params *ap, struct audio_params *ar) | |||
3942 | { | |||
3943 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
3944 | struct uaudio_params *p, *best_mode, *best_rate, *best_nch; | |||
3945 | int rate, rateindex; | |||
3946 | ||||
3947 | #ifdef DIAGNOSTIC1 | |||
3948 | if (setmode != usemode || setmode != sc->mode) { | |||
3949 | printf("%s: bad call to uaudio_set_params()\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3950 | return EINVAL22; | |||
3951 | } | |||
3952 | if (sc->mode == 0) { | |||
3953 | printf("%s: uaudio_set_params(): not open\n", DEVNAME(sc)((sc)->dev.dv_xname)); | |||
3954 | return EINVAL22; | |||
3955 | } | |||
3956 | #endif | |||
3957 | /* | |||
3958 | * audio(4) layer requests equal play and record rates | |||
3959 | */ | |||
3960 | rate = (sc->mode & AUMODE_PLAY0x01) ? ap->sample_rate : ar->sample_rate; | |||
3961 | rateindex = uaudio_rates_indexof(~0, rate); | |||
3962 | ||||
3963 | DPRINTF("%s: rate %d -> %d (index %d)\n", __func__,do {} while(0) | |||
3964 | rate, uaudio_rates[rateindex], rateindex)do {} while(0); | |||
3965 | ||||
3966 | best_mode = best_rate = best_nch = NULL((void *)0); | |||
3967 | ||||
3968 | for (p = sc->params_list; p != NULL((void *)0); p = p->next) { | |||
3969 | ||||
3970 | /* test if params match the requested mode */ | |||
3971 | if (sc->mode & AUMODE_PLAY0x01) { | |||
3972 | if (p->palt == NULL((void *)0)) | |||
3973 | continue; | |||
3974 | } | |||
3975 | if (sc->mode & AUMODE_RECORD0x02) { | |||
3976 | if (p->ralt == NULL((void *)0)) | |||
3977 | continue; | |||
3978 | } | |||
3979 | if (best_mode == NULL((void *)0)) | |||
3980 | best_mode = p; | |||
3981 | ||||
3982 | /* test if params match the requested rate */ | |||
3983 | if ((uaudio_getrates(sc, p) & (1 << rateindex)) == 0) | |||
3984 | continue; | |||
3985 | if (best_rate == NULL((void *)0)) | |||
3986 | best_rate = p; | |||
3987 | ||||
3988 | /* test if params match the requested channel counts */ | |||
3989 | if (sc->mode & AUMODE_PLAY0x01) { | |||
3990 | if (p->palt->nch != ap->channels) | |||
3991 | continue; | |||
3992 | } | |||
3993 | if (sc->mode & AUMODE_RECORD0x02) { | |||
3994 | if (p->ralt->nch != ar->channels) | |||
3995 | continue; | |||
3996 | } | |||
3997 | if (best_nch == NULL((void *)0)) | |||
3998 | best_nch = p; | |||
3999 | ||||
4000 | /* test if params match the requested precision */ | |||
4001 | if (sc->mode & AUMODE_PLAY0x01) { | |||
4002 | if (p->palt->bits != ap->precision) | |||
4003 | continue; | |||
4004 | } | |||
4005 | if (sc->mode & AUMODE_RECORD0x02) { | |||
4006 | if (p->ralt->bits != ar->precision) | |||
4007 | continue; | |||
4008 | } | |||
4009 | ||||
4010 | /* everything matched, we're done */ | |||
4011 | break; | |||
4012 | } | |||
4013 | ||||
4014 | if (p == NULL((void *)0)) { | |||
4015 | if (best_nch) | |||
4016 | p = best_nch; | |||
4017 | else if (best_rate) | |||
4018 | p = best_rate; | |||
4019 | else if (best_mode) | |||
4020 | p = best_mode; | |||
4021 | else | |||
4022 | return ENOTTY25; | |||
4023 | } | |||
4024 | ||||
4025 | /* | |||
4026 | * Recalculate rate index, because the chosen parameters | |||
4027 | * may not support the requested one | |||
4028 | */ | |||
4029 | rateindex = uaudio_rates_indexof(uaudio_getrates(sc, p), rate); | |||
4030 | if (rateindex < 0) | |||
4031 | return ENOTTY25; | |||
4032 | ||||
4033 | sc->params = p; | |||
4034 | sc->rate = uaudio_rates[rateindex]; | |||
4035 | ||||
4036 | DPRINTF("%s: rate = %u\n", __func__, sc->rate)do {} while(0); | |||
4037 | ||||
4038 | if (sc->mode & AUMODE_PLAY0x01) { | |||
4039 | ap->sample_rate = sc->rate; | |||
4040 | ap->precision = p->palt->bits; | |||
4041 | ap->encoding = AUDIO_ENCODING_SLINEAR_LE6; | |||
4042 | ap->bps = p->palt->bps; | |||
4043 | ap->msb = 1; | |||
4044 | ap->channels = p->palt->nch; | |||
4045 | } | |||
4046 | if (sc->mode & AUMODE_RECORD0x02) { | |||
4047 | ar->sample_rate = sc->rate; | |||
4048 | ar->precision = p->ralt->bits; | |||
4049 | ar->encoding = AUDIO_ENCODING_SLINEAR_LE6; | |||
4050 | ar->bps = p->ralt->bps; | |||
4051 | ar->msb = 1; | |||
4052 | ar->channels = p->ralt->nch; | |||
4053 | } | |||
4054 | ||||
4055 | return 0; | |||
4056 | } | |||
4057 | ||||
4058 | unsigned int | |||
4059 | uaudio_set_blksz(void *self, int mode, | |||
4060 | struct audio_params *p, struct audio_params *r, unsigned int blksz) | |||
4061 | { | |||
4062 | struct uaudio_softc *sc = self; | |||
4063 | unsigned int fps, fps_min; | |||
4064 | unsigned int blksz_max, blksz_min; | |||
4065 | ||||
4066 | /* | |||
4067 | * minimum block size is two transfers, see uaudio_stream_open() | |||
4068 | */ | |||
4069 | fps_min = sc->ufps; | |||
4070 | if (mode & AUMODE_PLAY0x01) { | |||
4071 | fps = sc->params->palt->fps; | |||
4072 | if (fps_min > fps) | |||
4073 | fps_min = fps; | |||
4074 | } | |||
4075 | if (mode & AUMODE_RECORD0x02) { | |||
4076 | fps = sc->params->ralt->fps; | |||
4077 | if (fps_min > fps) | |||
4078 | fps_min = fps; | |||
4079 | } | |||
4080 | blksz_min = (sc->rate * 2 + fps_min - 1) / fps_min; | |||
4081 | ||||
4082 | /* | |||
4083 | * max block size is only limited by the number of frames the | |||
4084 | * host can schedule | |||
4085 | */ | |||
4086 | blksz_max = sc->rate * (sc->host_nframes / UAUDIO_NXFERS_MIN2) / | |||
4087 | sc->ufps * 85 / 100; | |||
4088 | ||||
4089 | if (blksz > blksz_max) | |||
4090 | blksz = blksz_max; | |||
4091 | else if (blksz < blksz_min) | |||
4092 | blksz = blksz_min; | |||
4093 | ||||
4094 | return blksz; | |||
4095 | } | |||
4096 | ||||
4097 | int | |||
4098 | uaudio_trigger_output(void *self, void *start, void *end, int blksz, | |||
4099 | void (*intr)(void *), void *arg, struct audio_params *param) | |||
4100 | { | |||
4101 | struct uaudio_softc *sc = self; | |||
4102 | int err; | |||
4103 | ||||
4104 | err = uaudio_stream_open(sc, | |||
4105 | AUMODE_PLAY0x01, start, end, blksz, intr, arg); | |||
4106 | if (err) | |||
4107 | return err; | |||
4108 | ||||
4109 | sc->trigger_mode |= AUMODE_PLAY0x01; | |||
4110 | uaudio_trigger(sc); | |||
4111 | return 0; | |||
4112 | } | |||
4113 | ||||
4114 | int | |||
4115 | uaudio_trigger_input(void *self, void *start, void *end, int blksz, | |||
4116 | void (*intr)(void *), void *arg, struct audio_params *param) | |||
4117 | { | |||
4118 | struct uaudio_softc *sc = self; | |||
4119 | int err; | |||
4120 | ||||
4121 | err = uaudio_stream_open(sc, | |||
4122 | AUMODE_RECORD0x02, start, end, blksz, intr, arg); | |||
4123 | if (err) | |||
4124 | return err; | |||
4125 | ||||
4126 | sc->trigger_mode |= AUMODE_RECORD0x02; | |||
4127 | uaudio_trigger(sc); | |||
4128 | return 0; | |||
4129 | } | |||
4130 | ||||
4131 | void | |||
4132 | uaudio_copy_output(void *self, size_t todo) | |||
4133 | { | |||
4134 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
4135 | int s; | |||
4136 | ||||
4137 | s = splusb()splraise(0x2); | |||
4138 | sc->copy_todo += todo; | |||
4139 | ||||
4140 | #ifdef UAUDIO_DEBUG | |||
4141 | if (uaudio_debug >= 3) { | |||
4142 | printf("%s: copy_todo -> %zd (+%zd)\n", __func__, | |||
4143 | sc->copy_todo, todo); | |||
4144 | } | |||
4145 | #endif | |||
4146 | ||||
4147 | if (sc->mode == sc->trigger_mode) | |||
4148 | uaudio_pdata_copy(sc); | |||
4149 | splx(s)spllower(s); | |||
4150 | } | |||
4151 | ||||
4152 | void | |||
4153 | uaudio_underrun(void *self) | |||
4154 | { | |||
4155 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
4156 | struct uaudio_stream *s = &sc->pstream; | |||
4157 | ||||
4158 | sc->copy_todo += s->ring_blksz; | |||
4159 | ||||
4160 | #ifdef UAUDIO_DEBUG | |||
4161 | if (uaudio_debug >= 3) | |||
4162 | printf("%s: copy_todo -> %zd\n", __func__, sc->copy_todo); | |||
4163 | #endif | |||
4164 | ||||
4165 | /* copy data (actually silence) produced by the audio(4) layer */ | |||
4166 | uaudio_pdata_copy(sc); | |||
4167 | } | |||
4168 | ||||
4169 | int | |||
4170 | uaudio_halt_output(void *self) | |||
4171 | { | |||
4172 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
4173 | ||||
4174 | uaudio_stream_close(sc, AUMODE_PLAY0x01); | |||
4175 | sc->trigger_mode &= ~AUMODE_PLAY0x01; | |||
4176 | sc->copy_todo = 0; | |||
4177 | return 0; | |||
4178 | } | |||
4179 | ||||
4180 | int | |||
4181 | uaudio_halt_input(void *self) | |||
4182 | { | |||
4183 | struct uaudio_softc *sc = (struct uaudio_softc *)self; | |||
4184 | ||||
4185 | uaudio_stream_close(sc, AUMODE_RECORD0x02); | |||
4186 | sc->trigger_mode &= ~AUMODE_RECORD0x02; | |||
4187 | return 0; | |||
4188 | } | |||
4189 | ||||
4190 | int | |||
4191 | uaudio_get_port_do(struct uaudio_softc *sc, struct mixer_ctrl *ctl) | |||
4192 | { | |||
4193 | struct uaudio_unit *u; | |||
4194 | struct uaudio_mixent *m; | |||
4195 | unsigned char req_buf[4]; | |||
4196 | struct uaudio_blob p; | |||
4197 | int i, nch, val, req_num; | |||
4198 | ||||
4199 | if (!uaudio_mixer_byindex(sc, ctl->dev, &u, &m)) | |||
4200 | return ENOENT2; | |||
4201 | ||||
4202 | switch (sc->version) { | |||
4203 | case UAUDIO_V10x100: | |||
4204 | req_num = UAUDIO_V1_REQ_GET_CUR0x81; | |||
4205 | break; | |||
4206 | case UAUDIO_V20x200: | |||
4207 | req_num = UAUDIO_V2_REQ_CUR1; | |||
4208 | } | |||
4209 | ||||
4210 | switch (m->type) { | |||
4211 | case UAUDIO_MIX_SW0: | |||
4212 | p.rptr = p.wptr = req_buf; | |||
4213 | if (!uaudio_req(sc, | |||
| ||||
4214 | UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
4215 | req_num, | |||
4216 | m->req_sel, | |||
4217 | m->chan < 0 ? 0 : m->chan, | |||
4218 | sc->ctl_ifnum, | |||
4219 | u->id, | |||
4220 | req_buf, | |||
4221 | 1)) | |||
4222 | return EIO5; | |||
4223 | p.wptr++; | |||
4224 | if (!uaudio_getnum(&p, 1, &val)) | |||
4225 | return EIO5; | |||
4226 | ctl->un.ord = !!val; | |||
4227 | break; | |||
4228 | case UAUDIO_MIX_NUM1: | |||
4229 | nch = uaudio_mixer_nchan(m, NULL((void *)0)); | |||
4230 | ctl->un.value.num_channels = nch; | |||
4231 | for (i = 0; i < nch; i++) { | |||
4232 | p.rptr = p.wptr = req_buf; | |||
4233 | if (!uaudio_req(sc, | |||
4234 | UT_READ_CLASS_INTERFACE(0x80 | 0x20 | 0x01), | |||
4235 | req_num, | |||
4236 | m->req_sel, | |||
4237 | m->chan < 0 ? 0 : i + 1, | |||
4238 | sc->ctl_ifnum, | |||
4239 | u->id, | |||
4240 | req_buf, | |||
4241 | 2)) | |||
4242 | return EIO5; | |||
4243 | p.wptr += 2; | |||
4244 | if (!uaudio_getnum(&p, 2, &val)) | |||
4245 | return EIO5; | |||
4246 | ctl->un.value.level[i] = | |||
4247 | uaudio_ranges_decode(&m->ranges, | |||
4248 | uaudio_sign_expand(val, 2)); | |||
4249 | m = m->next; | |||
4250 | } | |||
4251 | break; | |||
4252 | case UAUDIO_MIX_ENUM2: | |||
4253 | /* XXX: not used yet */ | |||
4254 | break; | |||
4255 | } | |||
4256 | return 0; | |||
4257 | } | |||
4258 | ||||
4259 | int | |||
4260 | uaudio_set_port_do(struct uaudio_softc *sc, struct mixer_ctrl *ctl) | |||
4261 | { | |||
4262 | struct uaudio_unit *u; | |||
4263 | struct uaudio_mixent *m; | |||
4264 | unsigned char req_buf[4]; | |||
4265 | unsigned int val; | |||
4266 | int i, nch; | |||
4267 | ||||
4268 | if (!uaudio_mixer_byindex(sc, ctl->dev, &u, &m)) | |||
4269 | return ENOENT2; | |||
4270 | ||||
4271 | switch (m->type) { | |||
4272 | case UAUDIO_MIX_SW0: | |||
4273 | if (ctl->un.ord < 0 || ctl->un.ord > 1) | |||
4274 | return EINVAL22; | |||
4275 | req_buf[0] = ctl->un.ord; | |||
4276 | if (!uaudio_req(sc, | |||
4277 | UT_WRITE_CLASS_INTERFACE(0x00 | 0x20 | 0x01), | |||
4278 | UAUDIO_V1_REQ_SET_CUR0x01, | |||
4279 | m->req_sel, | |||
4280 | m->chan < 0 ? 0 : m->chan, | |||
4281 | sc->ctl_ifnum, | |||
4282 | u->id, | |||
4283 | req_buf, | |||
4284 | 1)) | |||
4285 | return EIO5; | |||
4286 | break; | |||
4287 | case UAUDIO_MIX_NUM1: | |||
4288 | nch = uaudio_mixer_nchan(m, NULL((void *)0)); | |||
4289 | ctl->un.value.num_channels = nch; | |||
4290 | for (i = 0; i < nch; i++) { | |||
4291 | val = uaudio_ranges_encode(&m->ranges, | |||
4292 | ctl->un.value.level[i]); | |||
4293 | DPRINTF("%s: ch %d, ctl %d, num val %d\n", __func__,do {} while(0) | |||
4294 | i, ctl->un.value.level[i], val)do {} while(0); | |||
4295 | req_buf[0] = val; | |||
4296 | req_buf[1] = val >> 8; | |||
4297 | if (!uaudio_req(sc, | |||
4298 | UT_WRITE_CLASS_INTERFACE(0x00 | 0x20 | 0x01), | |||
4299 | UAUDIO_V1_REQ_SET_CUR0x01, | |||
4300 | m->req_sel, | |||
4301 | m->chan < 0 ? 0 : i + 1, | |||
4302 | sc->ctl_ifnum, | |||
4303 | u->id, | |||
4304 | req_buf, | |||
4305 | 2)) | |||
4306 | return EIO5; | |||
4307 | m = m->next; | |||
4308 | } | |||
4309 | break; | |||
4310 | case UAUDIO_MIX_ENUM2: | |||
4311 | /* XXX: not used yet */ | |||
4312 | break; | |||
4313 | } | |||
4314 | return 0; | |||
4315 | } | |||
4316 | ||||
4317 | int | |||
4318 | uaudio_query_devinfo_do(struct uaudio_softc *sc, struct mixer_devinfo *devinfo) | |||
4319 | { | |||
4320 | struct uaudio_unit *u; | |||
4321 | struct uaudio_mixent *m; | |||
4322 | ||||
4323 | devinfo->next = -1; | |||
4324 | devinfo->prev = -1; | |||
4325 | switch (devinfo->index) { | |||
4326 | case UAUDIO_CLASS_IN1: | |||
4327 | strlcpy(devinfo->label.name, AudioCinputs"inputs", MAX_AUDIO_DEV_LEN16); | |||
4328 | devinfo->type = AUDIO_MIXER_CLASS0; | |||
4329 | devinfo->mixer_class = -1; | |||
4330 | return 0; | |||
4331 | case UAUDIO_CLASS_OUT0: | |||
4332 | strlcpy(devinfo->label.name, AudioCoutputs"outputs", MAX_AUDIO_DEV_LEN16); | |||
4333 | devinfo->type = AUDIO_MIXER_CLASS0; | |||
4334 | devinfo->mixer_class = -1; | |||
4335 | return 0; | |||
4336 | } | |||
4337 | ||||
4338 | /* | |||
4339 | * find the unit & mixent structure for the given index | |||
4340 | */ | |||
4341 | if (!uaudio_mixer_byindex(sc, devinfo->index, &u, &m)) | |||
4342 | return ENOENT2; | |||
4343 | ||||
4344 | if (strcmp(m->fname, "level") == 0) { | |||
4345 | /* | |||
4346 | * mixer(4) interface doesn't give a names to level | |||
4347 | * controls | |||
4348 | */ | |||
4349 | strlcpy(devinfo->label.name, u->name, MAX_AUDIO_DEV_LEN16); | |||
4350 | } else { | |||
4351 | if (m->chan == -1) { | |||
4352 | snprintf(devinfo->label.name, MAX_AUDIO_DEV_LEN16, | |||
4353 | "%s_%s", u->name, m->fname); | |||
4354 | } else { | |||
4355 | snprintf(devinfo->label.name, MAX_AUDIO_DEV_LEN16, | |||
4356 | "%s_%s%u", u->name, m->fname, m->chan); | |||
4357 | } | |||
4358 | } | |||
4359 | ||||
4360 | devinfo->mixer_class = u->mixer_class; | |||
4361 | switch (m->type) { | |||
4362 | case UAUDIO_MIX_SW0: | |||
4363 | devinfo->type = AUDIO_MIXER_ENUM1; | |||
4364 | devinfo->un.e.num_mem = 2; | |||
4365 | devinfo->un.e.member[0].ord = 0; | |||
4366 | strlcpy(devinfo->un.e.member[0].label.name, "off", | |||
4367 | MAX_AUDIO_DEV_LEN16); | |||
4368 | devinfo->un.e.member[1].ord = 1; | |||
4369 | strlcpy(devinfo->un.e.member[1].label.name, "on", | |||
4370 | MAX_AUDIO_DEV_LEN16); | |||
4371 | break; | |||
4372 | case UAUDIO_MIX_NUM1: | |||
4373 | devinfo->type = AUDIO_MIXER_VALUE3; | |||
4374 | devinfo->un.v.num_channels = uaudio_mixer_nchan(m, NULL((void *)0)); | |||
4375 | devinfo->un.v.delta = 1; | |||
4376 | break; | |||
4377 | case UAUDIO_MIX_ENUM2: | |||
4378 | /* XXX: not used yet */ | |||
4379 | devinfo->type = AUDIO_MIXER_ENUM1; | |||
4380 | devinfo->un.e.num_mem = 0; | |||
4381 | break; | |||
4382 | } | |||
4383 | return 0; | |||
4384 | } | |||
4385 | ||||
4386 | int | |||
4387 | uaudio_get_port(void *arg, struct mixer_ctrl *ctl) | |||
4388 | { | |||
4389 | struct uaudio_softc *sc = arg; | |||
4390 | int rc; | |||
4391 | ||||
4392 | usbd_ref_incr(sc->udev); | |||
4393 | rc = uaudio_get_port_do(sc, ctl); | |||
| ||||
4394 | usbd_ref_decr(sc->udev); | |||
4395 | return rc; | |||
4396 | } | |||
4397 | ||||
4398 | int | |||
4399 | uaudio_set_port(void *arg, struct mixer_ctrl *ctl) | |||
4400 | { | |||
4401 | struct uaudio_softc *sc = arg; | |||
4402 | int rc; | |||
4403 | ||||
4404 | usbd_ref_incr(sc->udev); | |||
4405 | rc = uaudio_set_port_do(sc, ctl); | |||
4406 | usbd_ref_decr(sc->udev); | |||
4407 | return rc; | |||
4408 | } | |||
4409 | ||||
4410 | int | |||
4411 | uaudio_query_devinfo(void *arg, struct mixer_devinfo *devinfo) | |||
4412 | { | |||
4413 | struct uaudio_softc *sc = arg; | |||
4414 | int rc; | |||
4415 | ||||
4416 | usbd_ref_incr(sc->udev); | |||
4417 | rc = uaudio_query_devinfo_do(sc, devinfo); | |||
4418 | usbd_ref_decr(sc->udev); | |||
4419 | return rc; | |||
4420 | } |