1 /* $NetBSD: uaudio.c,v 1.43 2001/10/03 00:04:53 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart@augustsson.net) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * USB audio specs: http://www.usb.org/developers/data/devclass/audio10.pdf 42 * http://www.usb.org/developers/data/devclass/frmts10.pdf 43 * http://www.usb.org/developers/data/devclass/termt10.pdf 44 */ 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/device.h> 51 #include <sys/ioctl.h> 52 #include <sys/tty.h> 53 #include <sys/file.h> 54 #include <sys/reboot.h> /* for bootverbose */ 55 #include <sys/select.h> 56 #include <sys/proc.h> 57 #include <sys/vnode.h> 58 #include <sys/device.h> 59 #include <sys/poll.h> 60 61 #include <sys/audioio.h> 62 #include <dev/audio_if.h> 63 #include <dev/mulaw.h> 64 #include <dev/auconv.h> 65 66 #include <dev/usb/usb.h> 67 #include <dev/usb/usbdi.h> 68 #include <dev/usb/usbdi_util.h> 69 #include <dev/usb/usb_quirks.h> 70 71 #include <dev/usb/uaudioreg.h> 72 73 #ifdef UAUDIO_DEBUG 74 #define DPRINTF(x) if (uaudiodebug) logprintf x 75 #define DPRINTFN(n,x) if (uaudiodebug>(n)) logprintf x 76 int uaudiodebug = 0; 77 #else 78 #define DPRINTF(x) 79 #define DPRINTFN(n,x) 80 #endif 81 82 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */ 83 #define UAUDIO_NFRAMES 20 /* ms of sound in each request */ 84 85 86 #define MIX_MAX_CHAN 8 87 struct mixerctl { 88 u_int16_t wValue[MIX_MAX_CHAN]; /* using nchan */ 89 u_int16_t wIndex; 90 u_int8_t nchan; 91 u_int8_t type; 92 #define MIX_ON_OFF 1 93 #define MIX_SIGNED_16 2 94 #define MIX_UNSIGNED_16 3 95 #define MIX_SIGNED_8 4 96 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1) 97 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16) 98 int minval, maxval; 99 u_int delta; 100 u_int mul; 101 u_int8_t class; 102 char ctlname[MAX_AUDIO_DEV_LEN]; 103 char *ctlunit; 104 }; 105 #define MAKE(h,l) (((h) << 8) | (l)) 106 107 struct as_info { 108 u_int8_t alt; 109 u_int8_t encoding; 110 usbd_interface_handle ifaceh; 111 usb_interface_descriptor_t *idesc; 112 usb_endpoint_descriptor_audio_t *edesc; 113 struct usb_audio_streaming_type1_descriptor *asf1desc; 114 }; 115 116 struct chan { 117 int terminal; /* terminal id */ 118 void (*intr)(void *); /* dma completion intr handler */ 119 void *arg; /* arg for intr() */ 120 usbd_pipe_handle pipe; 121 int dir; /* direction */ 122 123 u_int sample_size; 124 u_int sample_rate; 125 u_int bytes_per_frame; 126 u_int fraction; /* fraction/1000 is the extra samples/frame */ 127 u_int residue; /* accumulates the fractional samples */ 128 129 u_char *start; /* upper layer buffer start */ 130 u_char *end; /* upper layer buffer end */ 131 u_char *cur; /* current position in upper layer buffer */ 132 int blksize; /* chunk size to report up */ 133 int transferred; /* transferred bytes not reported up */ 134 135 char nofrac; /* don't do sample rate adjustment */ 136 137 int curchanbuf; 138 struct chanbuf { 139 struct chan *chan; 140 usbd_xfer_handle xfer; 141 u_char *buffer; 142 u_int16_t sizes[UAUDIO_NFRAMES]; 143 u_int16_t size; 144 } chanbufs[UAUDIO_NCHANBUFS]; 145 146 struct uaudio_softc *sc; /* our softc */ 147 }; 148 149 struct uaudio_softc { 150 USBBASEDEVICE sc_dev; /* base device */ 151 usbd_device_handle sc_udev; /* USB device */ 152 153 int sc_ac_iface; /* Audio Control interface */ 154 usbd_interface_handle sc_ac_ifaceh; 155 156 struct chan sc_chan; 157 158 int sc_curaltidx; 159 160 int sc_nullalt; 161 162 int sc_audio_rev; 163 164 struct as_info *sc_alts; 165 int sc_nalts; 166 int sc_props; 167 168 int sc_altflags; 169 #define HAS_8 0x01 170 #define HAS_16 0x02 171 #define HAS_8U 0x04 172 #define HAS_ALAW 0x08 173 #define HAS_MULAW 0x10 174 175 struct mixerctl *sc_ctls; 176 int sc_nctls; 177 178 device_ptr_t sc_audiodev; 179 char sc_dying; 180 }; 181 182 #define UAC_OUTPUT 0 183 #define UAC_INPUT 1 184 #define UAC_EQUAL 2 185 186 Static usbd_status uaudio_identify_ac(struct uaudio_softc *sc, 187 usb_config_descriptor_t *cdesc); 188 Static usbd_status uaudio_identify_as(struct uaudio_softc *sc, 189 usb_config_descriptor_t *cdesc); 190 Static usbd_status uaudio_process_as(struct uaudio_softc *sc, 191 char *buf, int *offsp, int size, 192 usb_interface_descriptor_t *id); 193 194 Static void uaudio_add_alt(struct uaudio_softc *sc, 195 struct as_info *ai); 196 197 Static usb_interface_descriptor_t *uaudio_find_iface(char *buf, 198 int size, int *offsp, int subtype); 199 200 Static void uaudio_mixer_add_ctl(struct uaudio_softc *sc, 201 struct mixerctl *mp); 202 Static char *uaudio_id_name(struct uaudio_softc *sc, 203 usb_descriptor_t **dps, int id); 204 Static struct usb_audio_cluster uaudio_get_cluster(int id, 205 usb_descriptor_t **dps); 206 Static void uaudio_add_input(struct uaudio_softc *sc, 207 usb_descriptor_t *v, usb_descriptor_t **dps); 208 Static void uaudio_add_output(struct uaudio_softc *sc, 209 usb_descriptor_t *v, usb_descriptor_t **dps); 210 Static void uaudio_add_mixer(struct uaudio_softc *sc, 211 usb_descriptor_t *v, usb_descriptor_t **dps); 212 Static void uaudio_add_selector(struct uaudio_softc *sc, 213 usb_descriptor_t *v, usb_descriptor_t **dps); 214 Static void uaudio_add_feature(struct uaudio_softc *sc, 215 usb_descriptor_t *v, usb_descriptor_t **dps); 216 Static void uaudio_add_processing_updown(struct uaudio_softc *sc, 217 usb_descriptor_t *v, usb_descriptor_t **dps); 218 Static void uaudio_add_processing(struct uaudio_softc *sc, 219 usb_descriptor_t *v, usb_descriptor_t **dps); 220 Static void uaudio_add_extension(struct uaudio_softc *sc, 221 usb_descriptor_t *v, usb_descriptor_t **dps); 222 Static usbd_status uaudio_identify(struct uaudio_softc *sc, 223 usb_config_descriptor_t *cdesc); 224 225 Static int uaudio_signext(int type, int val); 226 Static int uaudio_value2bsd(struct mixerctl *mc, int val); 227 Static int uaudio_bsd2value(struct mixerctl *mc, int val); 228 Static int uaudio_get(struct uaudio_softc *sc, int type, 229 int which, int wValue, int wIndex, int len); 230 Static int uaudio_ctl_get(struct uaudio_softc *sc, int which, 231 struct mixerctl *mc, int chan); 232 Static void uaudio_set(struct uaudio_softc *sc, int type, 233 int which, int wValue, int wIndex, int l, int v); 234 Static void uaudio_ctl_set(struct uaudio_softc *sc, int which, 235 struct mixerctl *mc, int chan, int val); 236 237 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int); 238 239 Static usbd_status uaudio_chan_open(struct uaudio_softc *sc, 240 struct chan *ch); 241 Static void uaudio_chan_close(struct uaudio_softc *sc, 242 struct chan *ch); 243 Static usbd_status uaudio_chan_alloc_buffers(struct uaudio_softc *, 244 struct chan *); 245 Static void uaudio_chan_free_buffers(struct uaudio_softc *, 246 struct chan *); 247 Static void uaudio_chan_set_param(struct chan *ch, 248 struct audio_params *param, u_char *start, 249 u_char *end, int blksize); 250 Static void uaudio_chan_ptransfer(struct chan *ch); 251 Static void uaudio_chan_pintr(usbd_xfer_handle xfer, 252 usbd_private_handle priv, usbd_status status); 253 254 Static void uaudio_chan_rtransfer(struct chan *ch); 255 Static void uaudio_chan_rintr(usbd_xfer_handle xfer, 256 usbd_private_handle priv, usbd_status status); 257 258 Static int uaudio_open(void *, int); 259 Static void uaudio_close(void *); 260 Static int uaudio_drain(void *); 261 Static int uaudio_query_encoding(void *, struct audio_encoding *); 262 Static int uaudio_set_params(void *, int, int, 263 struct audio_params *, struct audio_params *); 264 Static int uaudio_round_blocksize(void *, int); 265 Static int uaudio_trigger_output(void *, void *, void *, 266 int, void (*)(void *), void *, 267 struct audio_params *); 268 Static int uaudio_trigger_input (void *, void *, void *, 269 int, void (*)(void *), void *, 270 struct audio_params *); 271 Static int uaudio_halt_in_dma(void *); 272 Static int uaudio_halt_out_dma(void *); 273 Static int uaudio_getdev(void *, struct audio_device *); 274 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 275 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 276 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 277 Static int uaudio_get_props(void *); 278 279 Static struct audio_hw_if uaudio_hw_if = { 280 uaudio_open, 281 uaudio_close, 282 uaudio_drain, 283 uaudio_query_encoding, 284 uaudio_set_params, 285 uaudio_round_blocksize, 286 NULL, 287 NULL, 288 NULL, 289 NULL, 290 NULL, 291 uaudio_halt_out_dma, 292 uaudio_halt_in_dma, 293 NULL, 294 uaudio_getdev, 295 NULL, 296 uaudio_mixer_set_port, 297 uaudio_mixer_get_port, 298 uaudio_query_devinfo, 299 NULL, 300 NULL, 301 NULL, 302 NULL, 303 uaudio_get_props, 304 uaudio_trigger_output, 305 uaudio_trigger_input, 306 NULL, 307 }; 308 309 Static struct audio_device uaudio_device = { 310 "USB audio", 311 "", 312 "uaudio" 313 }; 314 315 USB_DECLARE_DRIVER(uaudio); 316 317 USB_MATCH(uaudio) 318 { 319 USB_MATCH_START(uaudio, uaa); 320 usb_interface_descriptor_t *id; 321 322 if (uaa->iface == NULL) 323 return (UMATCH_NONE); 324 325 id = usbd_get_interface_descriptor(uaa->iface); 326 /* Trigger on the control interface. */ 327 if (id == NULL || 328 id->bInterfaceClass != UICLASS_AUDIO || 329 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL || 330 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO)) 331 return (UMATCH_NONE); 332 333 return (UMATCH_IFACECLASS_IFACESUBCLASS); 334 } 335 336 USB_ATTACH(uaudio) 337 { 338 USB_ATTACH_START(uaudio, sc, uaa); 339 usb_interface_descriptor_t *id; 340 usb_config_descriptor_t *cdesc; 341 char devinfo[1024]; 342 usbd_status err; 343 int i, j, found; 344 345 usbd_devinfo(uaa->device, 0, devinfo); 346 printf(": %s\n", devinfo); 347 348 sc->sc_udev = uaa->device; 349 350 cdesc = usbd_get_config_descriptor(sc->sc_udev); 351 if (cdesc == NULL) { 352 printf("%s: failed to get configuration descriptor\n", 353 USBDEVNAME(sc->sc_dev)); 354 USB_ATTACH_ERROR_RETURN; 355 } 356 357 err = uaudio_identify(sc, cdesc); 358 if (err) { 359 printf("%s: audio descriptors make no sense, error=%d\n", 360 USBDEVNAME(sc->sc_dev), err); 361 USB_ATTACH_ERROR_RETURN; 362 } 363 364 sc->sc_ac_ifaceh = uaa->iface; 365 /* Pick up the AS interface. */ 366 for (i = 0; i < uaa->nifaces; i++) { 367 if (uaa->ifaces[i] == NULL) 368 continue; 369 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 370 if (id == NULL) 371 continue; 372 found = 0; 373 for (j = 0; j < sc->sc_nalts; j++) { 374 if (id->bInterfaceNumber == 375 sc->sc_alts[j].idesc->bInterfaceNumber) { 376 sc->sc_alts[j].ifaceh = uaa->ifaces[i]; 377 found = 1; 378 } 379 } 380 if (found) 381 uaa->ifaces[i] = NULL; 382 } 383 384 for (j = 0; j < sc->sc_nalts; j++) { 385 if (sc->sc_alts[j].ifaceh == NULL) { 386 printf("%s: alt %d missing AS interface(s)\n", 387 USBDEVNAME(sc->sc_dev), j); 388 USB_ATTACH_ERROR_RETURN; 389 } 390 } 391 392 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev), 393 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 394 395 sc->sc_chan.sc = sc; 396 397 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 398 sc->sc_chan.nofrac = 1; 399 400 #ifndef UAUDIO_DEBUG 401 if (bootverbose) 402 #endif 403 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev), 404 sc->sc_nctls); 405 406 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 407 USBDEV(sc->sc_dev)); 408 409 DPRINTF(("uaudio_attach: doing audio_attach_mi\n")); 410 #if defined(__OpenBSD__) 411 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 412 #else 413 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 414 #endif 415 416 USB_ATTACH_SUCCESS_RETURN; 417 } 418 419 int 420 uaudio_activate(device_ptr_t self, enum devact act) 421 { 422 struct uaudio_softc *sc = (struct uaudio_softc *)self; 423 int rv = 0; 424 425 switch (act) { 426 case DVACT_ACTIVATE: 427 return (EOPNOTSUPP); 428 break; 429 430 case DVACT_DEACTIVATE: 431 if (sc->sc_audiodev != NULL) 432 rv = config_deactivate(sc->sc_audiodev); 433 sc->sc_dying = 1; 434 break; 435 } 436 return (rv); 437 } 438 439 int 440 uaudio_detach(device_ptr_t self, int flags) 441 { 442 struct uaudio_softc *sc = (struct uaudio_softc *)self; 443 int rv = 0; 444 445 /* Wait for outstanding requests to complete. */ 446 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 447 448 if (sc->sc_audiodev != NULL) 449 rv = config_detach(sc->sc_audiodev, flags); 450 451 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 452 USBDEV(sc->sc_dev)); 453 454 return (rv); 455 } 456 457 int 458 uaudio_query_encoding(void *addr, struct audio_encoding *fp) 459 { 460 struct uaudio_softc *sc = addr; 461 int flags = sc->sc_altflags; 462 int idx; 463 464 if (sc->sc_dying) 465 return (EIO); 466 467 if (sc->sc_nalts == 0 || flags == 0) 468 return (ENXIO); 469 470 idx = fp->index; 471 switch (idx) { 472 case 0: 473 strcpy(fp->name, AudioEulinear); 474 fp->encoding = AUDIO_ENCODING_ULINEAR; 475 fp->precision = 8; 476 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 477 return (0); 478 case 1: 479 strcpy(fp->name, AudioEmulaw); 480 fp->encoding = AUDIO_ENCODING_ULAW; 481 fp->precision = 8; 482 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 483 return (0); 484 case 2: 485 strcpy(fp->name, AudioEalaw); 486 fp->encoding = AUDIO_ENCODING_ALAW; 487 fp->precision = 8; 488 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 489 return (0); 490 case 3: 491 strcpy(fp->name, AudioEslinear); 492 fp->encoding = AUDIO_ENCODING_SLINEAR; 493 fp->precision = 8; 494 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 495 return (0); 496 case 4: 497 strcpy(fp->name, AudioEslinear_le); 498 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 499 fp->precision = 16; 500 fp->flags = 0; 501 return (0); 502 case 5: 503 strcpy(fp->name, AudioEulinear_le); 504 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 505 fp->precision = 16; 506 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 507 return (0); 508 case 6: 509 strcpy(fp->name, AudioEslinear_be); 510 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 511 fp->precision = 16; 512 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 513 return (0); 514 case 7: 515 strcpy(fp->name, AudioEulinear_be); 516 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 517 fp->precision = 16; 518 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 519 return (0); 520 default: 521 return (EINVAL); 522 } 523 } 524 525 usb_interface_descriptor_t * 526 uaudio_find_iface(char *buf, int size, int *offsp, int subtype) 527 { 528 usb_interface_descriptor_t *d; 529 530 while (*offsp < size) { 531 d = (void *)(buf + *offsp); 532 *offsp += d->bLength; 533 if (d->bDescriptorType == UDESC_INTERFACE && 534 d->bInterfaceClass == UICLASS_AUDIO && 535 d->bInterfaceSubClass == subtype) 536 return (d); 537 } 538 return (NULL); 539 } 540 541 void 542 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 543 { 544 int res; 545 size_t len = sizeof(*mc) * (sc->sc_nctls + 1); 546 struct mixerctl *nmc = sc->sc_nctls == 0 ? 547 malloc(len, M_USBDEV, M_NOWAIT) : 548 realloc(sc->sc_ctls, len, M_USBDEV, M_NOWAIT); 549 550 if (nmc == NULL) { 551 printf("uaudio_mixer_add_ctl: no memory\n"); 552 return; 553 } 554 sc->sc_ctls = nmc; 555 556 mc->delta = 0; 557 if (mc->type != MIX_ON_OFF) { 558 /* Determine min and max values. */ 559 mc->minval = uaudio_signext(mc->type, 560 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 561 mc->wValue[0], mc->wIndex, 562 MIX_SIZE(mc->type))); 563 mc->maxval = 1 + uaudio_signext(mc->type, 564 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 565 mc->wValue[0], mc->wIndex, 566 MIX_SIZE(mc->type))); 567 mc->mul = mc->maxval - mc->minval; 568 if (mc->mul == 0) 569 mc->mul = 1; 570 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE, 571 mc->wValue[0], mc->wIndex, 572 MIX_SIZE(mc->type)); 573 if (res > 0) 574 mc->delta = (res * 256 + mc->mul/2) / mc->mul; 575 } else { 576 mc->minval = 0; 577 mc->maxval = 1; 578 } 579 580 sc->sc_ctls[sc->sc_nctls++] = *mc; 581 582 #ifdef UAUDIO_DEBUG 583 if (uaudiodebug > 2) { 584 int i; 585 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0])); 586 for (i = 1; i < mc->nchan; i++) 587 DPRINTF((",%04x", mc->wValue[i])); 588 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' " 589 "min=%d max=%d\n", 590 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 591 mc->minval, mc->maxval)); 592 } 593 #endif 594 } 595 596 char * 597 uaudio_id_name(struct uaudio_softc *sc, usb_descriptor_t **dps, int id) 598 { 599 static char buf[32]; 600 sprintf(buf, "i%d", id); 601 return (buf); 602 } 603 604 struct usb_audio_cluster 605 uaudio_get_cluster(int id, usb_descriptor_t **dps) 606 { 607 struct usb_audio_cluster r; 608 usb_descriptor_t *dp; 609 int i; 610 611 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 612 dp = dps[id]; 613 if (dp == 0) 614 goto bad; 615 switch (dp->bDescriptorSubtype) { 616 case UDESCSUB_AC_INPUT: 617 #define p ((struct usb_audio_input_terminal *)dp) 618 r.bNrChannels = p->bNrChannels; 619 USETW(r.wChannelConfig, UGETW(p->wChannelConfig)); 620 r.iChannelNames = p->iChannelNames; 621 #undef p 622 return (r); 623 case UDESCSUB_AC_OUTPUT: 624 #define p ((struct usb_audio_output_terminal *)dp) 625 id = p->bSourceId; 626 #undef p 627 break; 628 case UDESCSUB_AC_MIXER: 629 #define p ((struct usb_audio_mixer_unit *)dp) 630 r = *(struct usb_audio_cluster *) 631 &p->baSourceId[p->bNrInPins]; 632 #undef p 633 return (r); 634 case UDESCSUB_AC_SELECTOR: 635 /* XXX This is not really right */ 636 #define p ((struct usb_audio_selector_unit *)dp) 637 id = p->baSourceId[0]; 638 #undef p 639 break; 640 case UDESCSUB_AC_FEATURE: 641 #define p ((struct usb_audio_feature_unit *)dp) 642 id = p->bSourceId; 643 #undef p 644 break; 645 case UDESCSUB_AC_PROCESSING: 646 #define p ((struct usb_audio_processing_unit *)dp) 647 r = *(struct usb_audio_cluster *) 648 &p->baSourceId[p->bNrInPins]; 649 #undef p 650 return (r); 651 case UDESCSUB_AC_EXTENSION: 652 #define p ((struct usb_audio_extension_unit *)dp) 653 r = *(struct usb_audio_cluster *) 654 &p->baSourceId[p->bNrInPins]; 655 #undef p 656 return (r); 657 default: 658 goto bad; 659 } 660 } 661 bad: 662 printf("uaudio_get_cluster: bad data\n"); 663 memset(&r, 0, sizeof r); 664 return (r); 665 666 } 667 668 void 669 uaudio_add_input(struct uaudio_softc *sc, usb_descriptor_t *v, 670 usb_descriptor_t **dps) 671 { 672 #ifdef UAUDIO_DEBUG 673 struct usb_audio_input_terminal *d = 674 (struct usb_audio_input_terminal *)v; 675 676 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x " 677 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 678 "iChannelNames=%d iTerminal=%d\n", 679 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 680 d->bNrChannels, UGETW(d->wChannelConfig), 681 d->iChannelNames, d->iTerminal)); 682 #endif 683 } 684 685 void 686 uaudio_add_output(struct uaudio_softc *sc, usb_descriptor_t *v, 687 usb_descriptor_t **dps) 688 { 689 #ifdef UAUDIO_DEBUG 690 struct usb_audio_output_terminal *d = 691 (struct usb_audio_output_terminal *)v; 692 693 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x " 694 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 695 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 696 d->bSourceId, d->iTerminal)); 697 #endif 698 } 699 700 void 701 uaudio_add_mixer(struct uaudio_softc *sc, usb_descriptor_t *v, 702 usb_descriptor_t **dps) 703 { 704 struct usb_audio_mixer_unit *d = (struct usb_audio_mixer_unit *)v; 705 struct usb_audio_mixer_unit_1 *d1; 706 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 707 uByte *bm; 708 struct mixerctl mix; 709 710 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n", 711 d->bUnitId, d->bNrInPins)); 712 713 /* Compute the number of input channels */ 714 ichs = 0; 715 for (i = 0; i < d->bNrInPins; i++) 716 ichs += uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 717 718 /* and the number of output channels */ 719 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 720 ochs = d1->bNrChannels; 721 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs)); 722 723 bm = d1->bmControls; 724 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 725 mix.class = -1; 726 mix.type = MIX_SIGNED_16; 727 mix.ctlunit = AudioNvolume; 728 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 729 for (p = i = 0; i < d->bNrInPins; i++) { 730 chs = uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 731 mc = 0; 732 for (c = 0; c < chs; c++) { 733 mo = 0; 734 for (o = 0; o < ochs; o++) { 735 bno = (p + c) * ochs + o; 736 if (BIT(bno)) 737 mo++; 738 } 739 if (mo == 1) 740 mc++; 741 } 742 if (mc == chs && chs <= MIX_MAX_CHAN) { 743 k = 0; 744 for (c = 0; c < chs; c++) 745 for (o = 0; o < ochs; o++) { 746 bno = (p + c) * ochs + o; 747 if (BIT(bno)) 748 mix.wValue[k++] = 749 MAKE(p+c+1, o+1); 750 } 751 sprintf(mix.ctlname, "mix%d-%s", d->bUnitId, 752 uaudio_id_name(sc, dps, d->baSourceId[i])); 753 mix.nchan = chs; 754 uaudio_mixer_add_ctl(sc, &mix); 755 } else { 756 /* XXX */ 757 } 758 #undef BIT 759 p += chs; 760 } 761 762 } 763 764 void 765 uaudio_add_selector(struct uaudio_softc *sc, usb_descriptor_t *v, 766 usb_descriptor_t **dps) 767 { 768 #ifdef UAUDIO_DEBUG 769 struct usb_audio_selector_unit *d = 770 (struct usb_audio_selector_unit *)v; 771 772 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n", 773 d->bUnitId, d->bNrInPins)); 774 #endif 775 printf("uaudio_add_selector: NOT IMPLEMENTED\n"); 776 } 777 778 void 779 uaudio_add_feature(struct uaudio_softc *sc, usb_descriptor_t *v, 780 usb_descriptor_t **dps) 781 { 782 struct usb_audio_feature_unit *d = (struct usb_audio_feature_unit *)v; 783 uByte *ctls = d->bmaControls; 784 int ctlsize = d->bControlSize; 785 int nchan = (d->bLength - 7) / ctlsize; 786 int srcId = d->bSourceId; 787 u_int fumask, mmask, cmask; 788 struct mixerctl mix; 789 int chan, ctl, i, unit; 790 791 #define GET(i) (ctls[(i)*ctlsize] | \ 792 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 793 794 mmask = GET(0); 795 /* Figure out what we can control */ 796 for (cmask = 0, chan = 1; chan < nchan; chan++) { 797 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n", 798 chan, GET(chan))); 799 cmask |= GET(chan); 800 } 801 802 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d bSourceId=%d, " 803 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 804 d->bUnitId, srcId, nchan, mmask, cmask)); 805 806 if (nchan > MIX_MAX_CHAN) 807 nchan = MIX_MAX_CHAN; 808 unit = d->bUnitId; 809 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 810 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 811 fumask = FU_MASK(ctl); 812 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n", 813 ctl, fumask)); 814 if (mmask & fumask) { 815 mix.nchan = 1; 816 mix.wValue[0] = MAKE(ctl, 0); 817 } else if (cmask & fumask) { 818 mix.nchan = nchan - 1; 819 for (i = 1; i < nchan; i++) { 820 if (GET(i) & fumask) 821 mix.wValue[i-1] = MAKE(ctl, i); 822 else 823 mix.wValue[i-1] = -1; 824 } 825 } else { 826 continue; 827 } 828 #undef GET 829 mix.class = -1; /* XXX */ 830 switch (ctl) { 831 case MUTE_CONTROL: 832 mix.type = MIX_ON_OFF; 833 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 834 uaudio_id_name(sc, dps, srcId), 835 AudioNmute); 836 mix.ctlunit = ""; 837 break; 838 case VOLUME_CONTROL: 839 mix.type = MIX_SIGNED_16; 840 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 841 uaudio_id_name(sc, dps, srcId), 842 AudioNmaster); 843 mix.ctlunit = AudioNvolume; 844 break; 845 case BASS_CONTROL: 846 mix.type = MIX_SIGNED_8; 847 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 848 uaudio_id_name(sc, dps, srcId), 849 AudioNbass); 850 mix.ctlunit = AudioNbass; 851 break; 852 case MID_CONTROL: 853 mix.type = MIX_SIGNED_8; 854 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 855 uaudio_id_name(sc, dps, srcId), 856 AudioNmid); 857 mix.ctlunit = AudioNmid; 858 break; 859 case TREBLE_CONTROL: 860 mix.type = MIX_SIGNED_8; 861 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 862 uaudio_id_name(sc, dps, srcId), 863 AudioNtreble); 864 mix.ctlunit = AudioNtreble; 865 break; 866 case GRAPHIC_EQUALIZER_CONTROL: 867 continue; /* XXX don't add anything */ 868 break; 869 case AGC_CONTROL: 870 mix.type = MIX_ON_OFF; 871 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 872 uaudio_id_name(sc, dps, srcId), 873 AudioNagc); 874 mix.ctlunit = ""; 875 break; 876 case DELAY_CONTROL: 877 mix.type = MIX_UNSIGNED_16; 878 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 879 uaudio_id_name(sc, dps, srcId), 880 AudioNdelay); 881 mix.ctlunit = "4 ms"; 882 break; 883 case BASS_BOOST_CONTROL: 884 mix.type = MIX_ON_OFF; 885 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 886 uaudio_id_name(sc, dps, srcId), 887 AudioNbassboost); 888 mix.ctlunit = ""; 889 break; 890 case LOUDNESS_CONTROL: 891 mix.type = MIX_ON_OFF; 892 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 893 uaudio_id_name(sc, dps, srcId), 894 AudioNloudness); 895 mix.ctlunit = ""; 896 break; 897 } 898 uaudio_mixer_add_ctl(sc, &mix); 899 } 900 } 901 902 void 903 uaudio_add_processing_updown(struct uaudio_softc *sc, usb_descriptor_t *v, 904 usb_descriptor_t **dps) 905 { 906 struct usb_audio_processing_unit *d = 907 (struct usb_audio_processing_unit *)v; 908 struct usb_audio_processing_unit_1 *d1 = 909 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 910 struct usb_audio_processing_unit_updown *ud = 911 (struct usb_audio_processing_unit_updown *) 912 &d1->bmControls[d1->bControlSize]; 913 struct mixerctl mix; 914 int i; 915 916 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n", 917 d->bUnitId, ud->bNrModes)); 918 919 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 920 DPRINTF(("uaudio_add_processing_updown: no mode select\n")); 921 return; 922 } 923 924 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 925 mix.nchan = 1; 926 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 927 mix.class = -1; 928 mix.type = MIX_ON_OFF; /* XXX */ 929 mix.ctlunit = ""; 930 sprintf(mix.ctlname, "pro%d-mode", d->bUnitId); 931 932 for (i = 0; i < ud->bNrModes; i++) { 933 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n", 934 i, UGETW(ud->waModes[i]))); 935 /* XXX */ 936 } 937 uaudio_mixer_add_ctl(sc, &mix); 938 } 939 940 void 941 uaudio_add_processing(struct uaudio_softc *sc, usb_descriptor_t *v, 942 usb_descriptor_t **dps) 943 { 944 struct usb_audio_processing_unit *d = 945 (struct usb_audio_processing_unit *)v; 946 struct usb_audio_processing_unit_1 *d1 = 947 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 948 int ptype = UGETW(d->wProcessType); 949 struct mixerctl mix; 950 951 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d " 952 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins)); 953 954 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 955 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 956 mix.nchan = 1; 957 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 958 mix.class = -1; 959 mix.type = MIX_ON_OFF; 960 mix.ctlunit = ""; 961 sprintf(mix.ctlname, "pro%d.%d-enable", d->bUnitId, ptype); 962 uaudio_mixer_add_ctl(sc, &mix); 963 } 964 965 switch(ptype) { 966 case UPDOWNMIX_PROCESS: 967 uaudio_add_processing_updown(sc, v, dps); 968 break; 969 case DOLBY_PROLOGIC_PROCESS: 970 case P3D_STEREO_EXTENDER_PROCESS: 971 case REVERBATION_PROCESS: 972 case CHORUS_PROCESS: 973 case DYN_RANGE_COMP_PROCESS: 974 default: 975 #ifdef UAUDIO_DEBUG 976 printf("uaudio_add_processing: unit %d, type=%d not impl.\n", 977 d->bUnitId, ptype); 978 #endif 979 break; 980 } 981 } 982 983 void 984 uaudio_add_extension(struct uaudio_softc *sc, usb_descriptor_t *v, 985 usb_descriptor_t **dps) 986 { 987 struct usb_audio_extension_unit *d = 988 (struct usb_audio_extension_unit *)v; 989 struct usb_audio_extension_unit_1 *d1 = 990 (struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins]; 991 struct mixerctl mix; 992 993 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n", 994 d->bUnitId, d->bNrInPins)); 995 996 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 997 return; 998 999 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 1000 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1001 mix.nchan = 1; 1002 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 1003 mix.class = -1; 1004 mix.type = MIX_ON_OFF; 1005 mix.ctlunit = ""; 1006 sprintf(mix.ctlname, "ext%d-enable", d->bUnitId); 1007 uaudio_mixer_add_ctl(sc, &mix); 1008 } 1009 } 1010 1011 usbd_status 1012 uaudio_identify(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1013 { 1014 usbd_status err; 1015 1016 err = uaudio_identify_ac(sc, cdesc); 1017 if (err) 1018 return (err); 1019 return (uaudio_identify_as(sc, cdesc)); 1020 } 1021 1022 void 1023 uaudio_add_alt(struct uaudio_softc *sc, struct as_info *ai) 1024 { 1025 size_t len = sizeof(*ai) * (sc->sc_nalts + 1); 1026 struct as_info *nai = sc->sc_nalts == 0 ? 1027 malloc(len, M_USBDEV, M_NOWAIT) : 1028 realloc(sc->sc_alts, len, M_USBDEV, M_NOWAIT); 1029 1030 if (nai == NULL) { 1031 printf("uaudio_add_alt: no memory\n"); 1032 return; 1033 } 1034 1035 sc->sc_alts = nai; 1036 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n", 1037 ai->alt, ai->encoding)); 1038 sc->sc_alts[sc->sc_nalts++] = *ai; 1039 } 1040 1041 usbd_status 1042 uaudio_process_as(struct uaudio_softc *sc, char *buf, int *offsp, 1043 int size, usb_interface_descriptor_t *id) 1044 #define offs (*offsp) 1045 { 1046 struct usb_audio_streaming_interface_descriptor *asid; 1047 struct usb_audio_streaming_type1_descriptor *asf1d; 1048 usb_endpoint_descriptor_audio_t *ed; 1049 struct usb_audio_streaming_endpoint_descriptor *sed; 1050 int format, chan, prec, enc; 1051 int dir, type; 1052 struct as_info ai; 1053 1054 asid = (void *)(buf + offs); 1055 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 1056 asid->bDescriptorSubtype != AS_GENERAL) 1057 return (USBD_INVAL); 1058 offs += asid->bLength; 1059 if (offs > size) 1060 return (USBD_INVAL); 1061 asf1d = (void *)(buf + offs); 1062 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 1063 asf1d->bDescriptorSubtype != FORMAT_TYPE) 1064 return (USBD_INVAL); 1065 offs += asf1d->bLength; 1066 if (offs > size) 1067 return (USBD_INVAL); 1068 1069 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1070 printf("%s: ignored setting with type %d format\n", 1071 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag)); 1072 return (USBD_NORMAL_COMPLETION); 1073 } 1074 1075 ed = (void *)(buf + offs); 1076 if (ed->bDescriptorType != UDESC_ENDPOINT) 1077 return (USBD_INVAL); 1078 DPRINTF(("uaudio_process_as: endpoint bLength=%d bDescriptorType=%d " 1079 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d " 1080 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1081 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1082 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1083 ed->bInterval, ed->bRefresh, ed->bSynchAddress)); 1084 offs += ed->bLength; 1085 if (offs > size) 1086 return (USBD_INVAL); 1087 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1088 return (USBD_INVAL); 1089 1090 dir = UE_GET_DIR(ed->bEndpointAddress); 1091 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1092 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1093 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1094 type = UE_ISO_ASYNC; 1095 1096 /* We can't handle endpoints that need a sync pipe yet. */ 1097 if (dir == UE_DIR_IN ? type == UE_ISO_ADAPT : type == UE_ISO_ASYNC) { 1098 printf("%s: ignored %sput endpoint of type %s\n", 1099 USBDEVNAME(sc->sc_dev), 1100 dir == UE_DIR_IN ? "in" : "out", 1101 dir == UE_DIR_IN ? "adaptive" : "async"); 1102 return (USBD_NORMAL_COMPLETION); 1103 } 1104 1105 sed = (void *)(buf + offs); 1106 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1107 sed->bDescriptorSubtype != AS_GENERAL) 1108 return (USBD_INVAL); 1109 offs += sed->bLength; 1110 if (offs > size) 1111 return (USBD_INVAL); 1112 1113 format = UGETW(asid->wFormatTag); 1114 chan = asf1d->bNrChannels; 1115 prec = asf1d->bBitResolution; 1116 if (prec != 8 && prec != 16) { 1117 #ifdef UAUDIO_DEBUG 1118 printf("%s: ignored setting with precision %d\n", 1119 USBDEVNAME(sc->sc_dev), prec); 1120 #endif 1121 return (USBD_NORMAL_COMPLETION); 1122 } 1123 switch (format) { 1124 case UA_FMT_PCM: 1125 sc->sc_altflags |= prec == 8 ? HAS_8 : HAS_16; 1126 enc = AUDIO_ENCODING_SLINEAR_LE; 1127 break; 1128 case UA_FMT_PCM8: 1129 enc = AUDIO_ENCODING_ULINEAR_LE; 1130 sc->sc_altflags |= HAS_8U; 1131 break; 1132 case UA_FMT_ALAW: 1133 enc = AUDIO_ENCODING_ALAW; 1134 sc->sc_altflags |= HAS_ALAW; 1135 break; 1136 case UA_FMT_MULAW: 1137 enc = AUDIO_ENCODING_ULAW; 1138 sc->sc_altflags |= HAS_MULAW; 1139 break; 1140 default: 1141 printf("%s: ignored setting with format %d\n", 1142 USBDEVNAME(sc->sc_dev), format); 1143 return (USBD_NORMAL_COMPLETION); 1144 } 1145 DPRINTFN(1,("uaudio_identify: alt=%d enc=%d chan=%d prec=%d\n", 1146 id->bAlternateSetting, enc, chan, prec)); 1147 ai.alt = id->bAlternateSetting; 1148 ai.encoding = enc; 1149 ai.idesc = id; 1150 ai.edesc = ed; 1151 ai.asf1desc = asf1d; 1152 uaudio_add_alt(sc, &ai); 1153 sc->sc_chan.terminal = asid->bTerminalLink; /* XXX */ 1154 sc->sc_chan.dir |= dir == UE_DIR_OUT ? AUMODE_PLAY : AUMODE_RECORD; 1155 return (USBD_NORMAL_COMPLETION); 1156 } 1157 #undef offs 1158 1159 usbd_status 1160 uaudio_identify_as(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1161 { 1162 usb_interface_descriptor_t *id; 1163 usbd_status err; 1164 char *buf; 1165 int size, offs; 1166 1167 size = UGETW(cdesc->wTotalLength); 1168 buf = (char *)cdesc; 1169 1170 /* Locate the AudioStreaming interface descriptor. */ 1171 offs = 0; 1172 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1173 if (id == NULL) 1174 return (USBD_INVAL); 1175 1176 sc->sc_chan.terminal = -1; 1177 sc->sc_chan.dir = 0; 1178 1179 /* Loop through all the alternate settings. */ 1180 while (offs <= size) { 1181 DPRINTFN(2, ("uaudio_identify: interface %d\n", 1182 id->bInterfaceNumber)); 1183 switch (id->bNumEndpoints) { 1184 case 0: 1185 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n", 1186 id->bAlternateSetting)); 1187 sc->sc_nullalt = id->bAlternateSetting; 1188 break; 1189 case 1: 1190 err = uaudio_process_as(sc, buf, &offs, size, id); 1191 break; 1192 default: 1193 #ifdef UAUDIO_DEBUG 1194 printf("%s: ignored audio interface with %d " 1195 "endpoints\n", 1196 USBDEVNAME(sc->sc_dev), id->bNumEndpoints); 1197 #endif 1198 break; 1199 } 1200 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM); 1201 if (id == NULL) 1202 break; 1203 } 1204 if (offs > size) 1205 return (USBD_INVAL); 1206 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts)); 1207 if (sc->sc_chan.terminal < 0) { 1208 printf("%s: no useable endpoint found\n", 1209 USBDEVNAME(sc->sc_dev)); 1210 return (USBD_INVAL); 1211 } 1212 #if 0 1213 if (sc->sc_chan.dir == (AUMODE_PLAY | AUMODE_RECORD)) 1214 sc->sc_props |= AUDIO_PROP_FULLDUPLEX; 1215 #endif 1216 return (USBD_NORMAL_COMPLETION); 1217 } 1218 1219 usbd_status 1220 uaudio_identify_ac(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1221 { 1222 usb_interface_descriptor_t *id; 1223 struct usb_audio_control_descriptor *acdp; 1224 usb_descriptor_t *dp, *dps[256]; 1225 char *buf, *ibuf, *ibufend; 1226 int size, offs, aclen, ndps, i; 1227 1228 size = UGETW(cdesc->wTotalLength); 1229 buf = (char *)cdesc; 1230 1231 /* Locate the AudioControl interface descriptor. */ 1232 offs = 0; 1233 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1234 if (id == NULL) 1235 return (USBD_INVAL); 1236 if (offs + sizeof *acdp > size) 1237 return (USBD_INVAL); 1238 sc->sc_ac_iface = id->bInterfaceNumber; 1239 DPRINTFN(2,("uaudio_identify: AC interface is %d\n", sc->sc_ac_iface)); 1240 1241 /* A class-specific AC interface header should follow. */ 1242 ibuf = buf + offs; 1243 acdp = (struct usb_audio_control_descriptor *)ibuf; 1244 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1245 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1246 return (USBD_INVAL); 1247 aclen = UGETW(acdp->wTotalLength); 1248 if (offs + aclen > size) 1249 return (USBD_INVAL); 1250 1251 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1252 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1253 return (USBD_INVAL); 1254 1255 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1256 DPRINTFN(2,("uaudio_identify: found AC header, vers=%03x, len=%d\n", 1257 sc->sc_audio_rev, aclen)); 1258 1259 sc->sc_nullalt = -1; 1260 1261 /* Scan through all the AC specific descriptors */ 1262 ibufend = ibuf + aclen; 1263 dp = (usb_descriptor_t *)ibuf; 1264 ndps = 0; 1265 memset(dps, 0, sizeof dps); 1266 for (;;) { 1267 ibuf += dp->bLength; 1268 if (ibuf >= ibufend) 1269 break; 1270 dp = (usb_descriptor_t *)ibuf; 1271 if (ibuf + dp->bLength > ibufend) 1272 return (USBD_INVAL); 1273 if (dp->bDescriptorType != UDESC_CS_INTERFACE) { 1274 printf("uaudio_identify: skip desc type=0x%02x\n", 1275 dp->bDescriptorType); 1276 continue; 1277 } 1278 i = ((struct usb_audio_input_terminal *)dp)->bTerminalId; 1279 dps[i] = dp; 1280 if (i > ndps) 1281 ndps = i; 1282 } 1283 ndps++; 1284 1285 for (i = 0; i < ndps; i++) { 1286 dp = dps[i]; 1287 if (dp == NULL) 1288 continue; 1289 DPRINTF(("uaudio_identify: subtype=%d\n", 1290 dp->bDescriptorSubtype)); 1291 switch (dp->bDescriptorSubtype) { 1292 case UDESCSUB_AC_HEADER: 1293 printf("uaudio_identify: unexpected AC header\n"); 1294 break; 1295 case UDESCSUB_AC_INPUT: 1296 uaudio_add_input(sc, dp, dps); 1297 break; 1298 case UDESCSUB_AC_OUTPUT: 1299 uaudio_add_output(sc, dp, dps); 1300 break; 1301 case UDESCSUB_AC_MIXER: 1302 uaudio_add_mixer(sc, dp, dps); 1303 break; 1304 case UDESCSUB_AC_SELECTOR: 1305 uaudio_add_selector(sc, dp, dps); 1306 break; 1307 case UDESCSUB_AC_FEATURE: 1308 uaudio_add_feature(sc, dp, dps); 1309 break; 1310 case UDESCSUB_AC_PROCESSING: 1311 uaudio_add_processing(sc, dp, dps); 1312 break; 1313 case UDESCSUB_AC_EXTENSION: 1314 uaudio_add_extension(sc, dp, dps); 1315 break; 1316 default: 1317 printf("uaudio_identify: bad AC desc subtype=0x%02x\n", 1318 dp->bDescriptorSubtype); 1319 break; 1320 } 1321 } 1322 return (USBD_NORMAL_COMPLETION); 1323 } 1324 1325 int 1326 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 1327 { 1328 struct uaudio_softc *sc = addr; 1329 struct mixerctl *mc; 1330 int n, nctls; 1331 1332 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index)); 1333 if (sc->sc_dying) 1334 return (EIO); 1335 1336 n = mi->index; 1337 nctls = sc->sc_nctls; 1338 1339 if (n < 0 || n >= nctls) { 1340 switch (n - nctls) { 1341 case UAC_OUTPUT: 1342 mi->type = AUDIO_MIXER_CLASS; 1343 mi->mixer_class = nctls + UAC_OUTPUT; 1344 mi->next = mi->prev = AUDIO_MIXER_LAST; 1345 strcpy(mi->label.name, AudioCoutputs); 1346 return (0); 1347 case UAC_INPUT: 1348 mi->type = AUDIO_MIXER_CLASS; 1349 mi->mixer_class = nctls + UAC_INPUT; 1350 mi->next = mi->prev = AUDIO_MIXER_LAST; 1351 strcpy(mi->label.name, AudioCinputs); 1352 return (0); 1353 case UAC_EQUAL: 1354 mi->type = AUDIO_MIXER_CLASS; 1355 mi->mixer_class = nctls + UAC_EQUAL; 1356 mi->next = mi->prev = AUDIO_MIXER_LAST; 1357 strcpy(mi->label.name, AudioCequalization); 1358 return (0); 1359 default: 1360 return (ENXIO); 1361 } 1362 } 1363 mc = &sc->sc_ctls[n]; 1364 strncpy(mi->label.name, mc->ctlname, MAX_AUDIO_DEV_LEN); 1365 mi->mixer_class = mc->class; 1366 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 1367 switch (mc->type) { 1368 case MIX_ON_OFF: 1369 mi->type = AUDIO_MIXER_ENUM; 1370 mi->un.e.num_mem = 2; 1371 strcpy(mi->un.e.member[0].label.name, AudioNoff); 1372 mi->un.e.member[0].ord = 0; 1373 strcpy(mi->un.e.member[1].label.name, AudioNon); 1374 mi->un.e.member[1].ord = 1; 1375 break; 1376 default: 1377 mi->type = AUDIO_MIXER_VALUE; 1378 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 1379 mi->un.v.num_channels = mc->nchan; 1380 mi->un.v.delta = mc->delta; 1381 break; 1382 } 1383 return (0); 1384 } 1385 1386 int 1387 uaudio_open(void *addr, int flags) 1388 { 1389 struct uaudio_softc *sc = addr; 1390 1391 DPRINTF(("uaudio_open: sc=%p\n", sc)); 1392 if (sc->sc_dying) 1393 return (EIO); 1394 1395 if (sc->sc_chan.terminal < 0) 1396 return (ENXIO); 1397 1398 if ((flags & FREAD) && !(sc->sc_chan.dir & AUMODE_RECORD)) 1399 return (EACCES); 1400 if ((flags & FWRITE) && !(sc->sc_chan.dir & AUMODE_PLAY)) 1401 return (EACCES); 1402 1403 sc->sc_chan.intr = 0; 1404 1405 return (0); 1406 } 1407 1408 /* 1409 * Close function is called at splaudio(). 1410 */ 1411 void 1412 uaudio_close(void *addr) 1413 { 1414 struct uaudio_softc *sc = addr; 1415 1416 DPRINTF(("uaudio_close: sc=%p\n", sc)); 1417 uaudio_halt_in_dma(sc); 1418 uaudio_halt_out_dma(sc); 1419 1420 sc->sc_chan.intr = 0; 1421 } 1422 1423 int 1424 uaudio_drain(void *addr) 1425 { 1426 struct uaudio_softc *sc = addr; 1427 1428 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 1429 1430 return (0); 1431 } 1432 1433 int 1434 uaudio_halt_out_dma(void *addr) 1435 { 1436 struct uaudio_softc *sc = addr; 1437 1438 DPRINTF(("uaudio_halt_out_dma: enter\n")); 1439 if (sc->sc_chan.pipe != NULL) { 1440 uaudio_chan_close(sc, &sc->sc_chan); 1441 sc->sc_chan.pipe = 0; 1442 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1443 } 1444 return (0); 1445 } 1446 1447 int 1448 uaudio_halt_in_dma(void *addr) 1449 { 1450 struct uaudio_softc *sc = addr; 1451 1452 DPRINTF(("uaudio_halt_in_dma: enter\n")); 1453 if (sc->sc_chan.pipe != NULL) { 1454 uaudio_chan_close(sc, &sc->sc_chan); 1455 sc->sc_chan.pipe = 0; 1456 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1457 } 1458 return (0); 1459 } 1460 1461 int 1462 uaudio_getdev(void *addr, struct audio_device *retp) 1463 { 1464 struct uaudio_softc *sc = addr; 1465 1466 DPRINTF(("uaudio_mixer_getdev:\n")); 1467 if (sc->sc_dying) 1468 return (EIO); 1469 1470 *retp = uaudio_device; 1471 return (0); 1472 } 1473 1474 /* 1475 * Make sure the block size is large enough to hold all outstanding transfers. 1476 */ 1477 int 1478 uaudio_round_blocksize(void *addr, int blk) 1479 { 1480 struct uaudio_softc *sc = addr; 1481 int bpf; 1482 1483 bpf = sc->sc_chan.bytes_per_frame + sc->sc_chan.sample_size; 1484 /* XXX */ 1485 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 1486 1487 bpf = (bpf + 15) &~ 15; 1488 1489 if (blk < bpf) 1490 blk = bpf; 1491 1492 #ifdef DIAGNOSTIC 1493 if (blk <= 0) { 1494 printf("uaudio_round_blocksize: blk=%d\n", blk); 1495 blk = 512; 1496 } 1497 #endif 1498 1499 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk)); 1500 return (blk); 1501 } 1502 1503 int 1504 uaudio_get_props(void *addr) 1505 { 1506 struct uaudio_softc *sc = addr; 1507 1508 return (sc->sc_props); 1509 } 1510 1511 int 1512 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 1513 int wIndex, int len) 1514 { 1515 usb_device_request_t req; 1516 u_int8_t data[4]; 1517 usbd_status err; 1518 int val; 1519 1520 if (wValue == -1) 1521 return (0); 1522 1523 req.bmRequestType = type; 1524 req.bRequest = which; 1525 USETW(req.wValue, wValue); 1526 USETW(req.wIndex, wIndex); 1527 USETW(req.wLength, len); 1528 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x " 1529 "wIndex=0x%04x len=%d\n", 1530 type, which, wValue, wIndex, len)); 1531 err = usbd_do_request(sc->sc_udev, &req, &data); 1532 if (err) { 1533 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err))); 1534 return (-1); 1535 } 1536 switch (len) { 1537 case 1: 1538 val = data[0]; 1539 break; 1540 case 2: 1541 val = data[0] | (data[1] << 8); 1542 break; 1543 default: 1544 DPRINTF(("uaudio_get: bad length=%d\n", len)); 1545 return (-1); 1546 } 1547 DPRINTFN(2,("uaudio_get: val=%d\n", val)); 1548 return (val); 1549 } 1550 1551 void 1552 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 1553 int wIndex, int len, int val) 1554 { 1555 usb_device_request_t req; 1556 u_int8_t data[4]; 1557 usbd_status err; 1558 1559 if (wValue == -1) 1560 return; 1561 1562 req.bmRequestType = type; 1563 req.bRequest = which; 1564 USETW(req.wValue, wValue); 1565 USETW(req.wIndex, wIndex); 1566 USETW(req.wLength, len); 1567 switch (len) { 1568 case 1: 1569 data[0] = val; 1570 break; 1571 case 2: 1572 data[0] = val; 1573 data[1] = val >> 8; 1574 break; 1575 default: 1576 return; 1577 } 1578 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x " 1579 "wIndex=0x%04x len=%d, val=%d\n", 1580 type, which, wValue, wIndex, len, val & 0xffff)); 1581 err = usbd_do_request(sc->sc_udev, &req, &data); 1582 #ifdef UAUDIO_DEBUG 1583 if (err) 1584 DPRINTF(("uaudio_set: err=%d\n", err)); 1585 #endif 1586 } 1587 1588 int 1589 uaudio_signext(int type, int val) 1590 { 1591 if (!MIX_UNSIGNED(type)) { 1592 if (MIX_SIZE(type) == 2) 1593 val = (int16_t)val; 1594 else 1595 val = (int8_t)val; 1596 } 1597 return (val); 1598 } 1599 1600 int 1601 uaudio_value2bsd(struct mixerctl *mc, int val) 1602 { 1603 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ", 1604 mc->type, val, mc->minval, mc->maxval)); 1605 if (mc->type == MIX_ON_OFF) 1606 val = val != 0; 1607 else 1608 val = ((uaudio_signext(mc->type, val) - mc->minval) * 256 1609 + mc->mul/2) / mc->mul; 1610 DPRINTFN(5, ("val'=%d\n", val)); 1611 return (val); 1612 } 1613 1614 int 1615 uaudio_bsd2value(struct mixerctl *mc, int val) 1616 { 1617 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ", 1618 mc->type, val, mc->minval, mc->maxval)); 1619 if (mc->type == MIX_ON_OFF) 1620 val = val != 0; 1621 else 1622 val = (val + mc->delta/2) * mc->mul / 256 + mc->minval; 1623 DPRINTFN(5, ("val'=%d\n", val)); 1624 return (val); 1625 } 1626 1627 int 1628 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1629 int chan) 1630 { 1631 int val; 1632 1633 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan)); 1634 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 1635 mc->wIndex, MIX_SIZE(mc->type)); 1636 return (uaudio_value2bsd(mc, val)); 1637 } 1638 1639 void 1640 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1641 int chan, int val) 1642 { 1643 val = uaudio_bsd2value(mc, val); 1644 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 1645 mc->wIndex, MIX_SIZE(mc->type), val); 1646 } 1647 1648 int 1649 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1650 { 1651 struct uaudio_softc *sc = addr; 1652 struct mixerctl *mc; 1653 int i, n, vals[MIX_MAX_CHAN], val; 1654 1655 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev)); 1656 1657 if (sc->sc_dying) 1658 return (EIO); 1659 1660 n = cp->dev; 1661 if (n < 0 || n >= sc->sc_nctls) 1662 return (ENXIO); 1663 mc = &sc->sc_ctls[n]; 1664 1665 if (mc->type == MIX_ON_OFF) { 1666 if (cp->type != AUDIO_MIXER_ENUM) 1667 return (EINVAL); 1668 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 1669 } else { 1670 if (cp->type != AUDIO_MIXER_VALUE) 1671 return (EINVAL); 1672 if (cp->un.value.num_channels != 1 && 1673 cp->un.value.num_channels != mc->nchan) 1674 return (EINVAL); 1675 for (i = 0; i < mc->nchan; i++) 1676 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 1677 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 1678 for (val = 0, i = 0; i < mc->nchan; i++) 1679 val += vals[i]; 1680 vals[0] = val / mc->nchan; 1681 } 1682 for (i = 0; i < cp->un.value.num_channels; i++) 1683 cp->un.value.level[i] = vals[i]; 1684 } 1685 1686 return (0); 1687 } 1688 1689 int 1690 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1691 { 1692 struct uaudio_softc *sc = addr; 1693 struct mixerctl *mc; 1694 int i, n, vals[MIX_MAX_CHAN]; 1695 1696 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev)); 1697 if (sc->sc_dying) 1698 return (EIO); 1699 1700 n = cp->dev; 1701 if (n < 0 || n >= sc->sc_nctls) 1702 return (ENXIO); 1703 mc = &sc->sc_ctls[n]; 1704 1705 if (mc->type == MIX_ON_OFF) { 1706 if (cp->type != AUDIO_MIXER_ENUM) 1707 return (EINVAL); 1708 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 1709 } else { 1710 if (cp->type != AUDIO_MIXER_VALUE) 1711 return (EINVAL); 1712 if (cp->un.value.num_channels == 1) 1713 for (i = 0; i < mc->nchan; i++) 1714 vals[i] = cp->un.value.level[0]; 1715 else if (cp->un.value.num_channels == mc->nchan) 1716 for (i = 0; i < mc->nchan; i++) 1717 vals[i] = cp->un.value.level[i]; 1718 else 1719 return (EINVAL); 1720 for (i = 0; i < mc->nchan; i++) 1721 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 1722 } 1723 return (0); 1724 } 1725 1726 int 1727 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1728 void (*intr)(void *), void *arg, 1729 struct audio_params *param) 1730 { 1731 struct uaudio_softc *sc = addr; 1732 struct chan *ch = &sc->sc_chan; 1733 usbd_status err; 1734 int i, s; 1735 1736 if (sc->sc_dying) 1737 return (EIO); 1738 1739 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p " 1740 "blksize=%d\n", sc, start, end, blksize)); 1741 1742 uaudio_chan_set_param(ch, param, start, end, blksize); 1743 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d " 1744 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1745 ch->fraction)); 1746 1747 err = uaudio_chan_alloc_buffers(sc, ch); 1748 if (err) 1749 return (EIO); 1750 1751 err = uaudio_chan_open(sc, ch); 1752 if (err) { 1753 uaudio_chan_free_buffers(sc, ch); 1754 return (EIO); 1755 } 1756 1757 sc->sc_chan.intr = intr; 1758 sc->sc_chan.arg = arg; 1759 1760 s = splusb(); 1761 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */ 1762 uaudio_chan_rtransfer(ch); 1763 splx(s); 1764 1765 return (0); 1766 } 1767 1768 int 1769 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 1770 void (*intr)(void *), void *arg, 1771 struct audio_params *param) 1772 { 1773 struct uaudio_softc *sc = addr; 1774 struct chan *ch = &sc->sc_chan; 1775 usbd_status err; 1776 int i, s; 1777 1778 if (sc->sc_dying) 1779 return (EIO); 1780 1781 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p " 1782 "blksize=%d\n", sc, start, end, blksize)); 1783 1784 uaudio_chan_set_param(ch, param, start, end, blksize); 1785 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d " 1786 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1787 ch->fraction)); 1788 1789 err = uaudio_chan_alloc_buffers(sc, ch); 1790 if (err) 1791 return (EIO); 1792 1793 err = uaudio_chan_open(sc, ch); 1794 if (err) { 1795 uaudio_chan_free_buffers(sc, ch); 1796 return (EIO); 1797 } 1798 1799 sc->sc_chan.intr = intr; 1800 sc->sc_chan.arg = arg; 1801 1802 s = splusb(); 1803 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */ 1804 uaudio_chan_ptransfer(ch); 1805 splx(s); 1806 1807 return (0); 1808 } 1809 1810 /* Set up a pipe for a channel. */ 1811 usbd_status 1812 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 1813 { 1814 struct as_info *as = &sc->sc_alts[sc->sc_curaltidx]; 1815 int endpt = as->edesc->bEndpointAddress; 1816 usbd_status err; 1817 1818 DPRINTF(("uaudio_open_chan: endpt=0x%02x, speed=%d, alt=%d\n", 1819 endpt, ch->sample_rate, as->alt)); 1820 1821 /* Set alternate interface corresponding to the mode. */ 1822 err = usbd_set_interface(as->ifaceh, as->alt); 1823 if (err) 1824 return (err); 1825 1826 /* Some devices do not support this request, so ignore errors. */ 1827 #ifdef UAUDIO_DEBUG 1828 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 1829 if (err) 1830 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n", 1831 usbd_errstr(err))); 1832 #else 1833 (void)uaudio_set_speed(sc, endpt, ch->sample_rate); 1834 #endif 1835 1836 DPRINTF(("uaudio_open_chan: create pipe to 0x%02x\n", endpt)); 1837 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe); 1838 return (err); 1839 } 1840 1841 void 1842 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 1843 { 1844 struct as_info *as = &sc->sc_alts[sc->sc_curaltidx]; 1845 1846 if (sc->sc_nullalt >= 0) { 1847 DPRINTF(("uaudio_close_chan: set null alt=%d\n", 1848 sc->sc_nullalt)); 1849 usbd_set_interface(as->ifaceh, sc->sc_nullalt); 1850 } 1851 usbd_abort_pipe(ch->pipe); 1852 usbd_close_pipe(ch->pipe); 1853 } 1854 1855 usbd_status 1856 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 1857 { 1858 usbd_xfer_handle xfer; 1859 void *buf; 1860 int i, size; 1861 1862 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 1863 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 1864 xfer = usbd_alloc_xfer(sc->sc_udev); 1865 if (xfer == 0) 1866 goto bad; 1867 ch->chanbufs[i].xfer = xfer; 1868 buf = usbd_alloc_buffer(xfer, size); 1869 if (buf == 0) { 1870 i++; 1871 goto bad; 1872 } 1873 ch->chanbufs[i].buffer = buf; 1874 ch->chanbufs[i].chan = ch; 1875 } 1876 1877 return (USBD_NORMAL_COMPLETION); 1878 1879 bad: 1880 while (--i >= 0) 1881 /* implicit buffer free */ 1882 usbd_free_xfer(ch->chanbufs[i].xfer); 1883 return (USBD_NOMEM); 1884 } 1885 1886 void 1887 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 1888 { 1889 int i; 1890 1891 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1892 usbd_free_xfer(ch->chanbufs[i].xfer); 1893 } 1894 1895 /* Called at splusb() */ 1896 void 1897 uaudio_chan_ptransfer(struct chan *ch) 1898 { 1899 struct chanbuf *cb; 1900 int i, n, size, residue, total; 1901 1902 if (ch->sc->sc_dying) 1903 return; 1904 1905 /* Pick the next channel buffer. */ 1906 cb = &ch->chanbufs[ch->curchanbuf]; 1907 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1908 ch->curchanbuf = 0; 1909 1910 /* Compute the size of each frame in the next transfer. */ 1911 residue = ch->residue; 1912 total = 0; 1913 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1914 size = ch->bytes_per_frame; 1915 residue += ch->fraction; 1916 if (residue >= USB_FRAMES_PER_SECOND) { 1917 if (!ch->nofrac) 1918 size += ch->sample_size; 1919 residue -= USB_FRAMES_PER_SECOND; 1920 } 1921 cb->sizes[i] = size; 1922 total += size; 1923 } 1924 ch->residue = residue; 1925 cb->size = total; 1926 1927 /* 1928 * Transfer data from upper layer buffer to channel buffer, taking 1929 * care of wrapping the upper layer buffer. 1930 */ 1931 n = min(total, ch->end - ch->cur); 1932 memcpy(cb->buffer, ch->cur, n); 1933 ch->cur += n; 1934 if (ch->cur >= ch->end) 1935 ch->cur = ch->start; 1936 if (total > n) { 1937 total -= n; 1938 memcpy(cb->buffer + n, ch->cur, total); 1939 ch->cur += total; 1940 } 1941 1942 #ifdef UAUDIO_DEBUG 1943 if (uaudiodebug > 8) { 1944 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n", 1945 cb->buffer, ch->residue)); 1946 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1947 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 1948 } 1949 } 1950 #endif 1951 1952 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer)); 1953 /* Fill the request */ 1954 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 1955 UAUDIO_NFRAMES, USBD_NO_COPY, 1956 uaudio_chan_pintr); 1957 1958 (void)usbd_transfer(cb->xfer); 1959 } 1960 1961 void 1962 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv, 1963 usbd_status status) 1964 { 1965 struct chanbuf *cb = priv; 1966 struct chan *ch = cb->chan; 1967 u_int32_t count; 1968 int s; 1969 1970 /* Return if we are aborting. */ 1971 if (status == USBD_CANCELLED) 1972 return; 1973 1974 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 1975 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n", 1976 count, ch->transferred)); 1977 #ifdef DIAGNOSTIC 1978 if (count != cb->size) { 1979 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 1980 count, cb->size); 1981 } 1982 #endif 1983 1984 ch->transferred += cb->size; 1985 s = splaudio(); 1986 /* Call back to upper layer */ 1987 while (ch->transferred >= ch->blksize) { 1988 ch->transferred -= ch->blksize; 1989 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 1990 ch->intr, ch->arg)); 1991 ch->intr(ch->arg); 1992 } 1993 splx(s); 1994 1995 /* start next transfer */ 1996 uaudio_chan_ptransfer(ch); 1997 } 1998 1999 /* Called at splusb() */ 2000 void 2001 uaudio_chan_rtransfer(struct chan *ch) 2002 { 2003 struct chanbuf *cb; 2004 int i, size, residue, total; 2005 2006 if (ch->sc->sc_dying) 2007 return; 2008 2009 /* Pick the next channel buffer. */ 2010 cb = &ch->chanbufs[ch->curchanbuf]; 2011 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2012 ch->curchanbuf = 0; 2013 2014 /* Compute the size of each frame in the next transfer. */ 2015 residue = ch->residue; 2016 total = 0; 2017 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2018 size = ch->bytes_per_frame; 2019 residue += ch->fraction; 2020 if (residue >= USB_FRAMES_PER_SECOND) { 2021 if (!ch->nofrac) 2022 size += ch->sample_size; 2023 residue -= USB_FRAMES_PER_SECOND; 2024 } 2025 cb->sizes[i] = size; 2026 total += size; 2027 } 2028 ch->residue = residue; 2029 cb->size = total; 2030 2031 #ifdef UAUDIO_DEBUG 2032 if (uaudiodebug > 8) { 2033 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n", 2034 cb->buffer, ch->residue)); 2035 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2036 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2037 } 2038 } 2039 #endif 2040 2041 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer)); 2042 /* Fill the request */ 2043 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2044 UAUDIO_NFRAMES, USBD_NO_COPY, 2045 uaudio_chan_rintr); 2046 2047 (void)usbd_transfer(cb->xfer); 2048 } 2049 2050 void 2051 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2052 usbd_status status) 2053 { 2054 struct chanbuf *cb = priv; 2055 struct chan *ch = cb->chan; 2056 u_int32_t count; 2057 int s, n; 2058 2059 /* Return if we are aborting. */ 2060 if (status == USBD_CANCELLED) 2061 return; 2062 2063 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2064 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n", 2065 count, ch->transferred)); 2066 2067 if (count < cb->size) { 2068 /* if the device fails to keep up, copy last byte */ 2069 u_char b = count ? cb->buffer[count-1] : 0; 2070 while (count < cb->size) 2071 cb->buffer[count++] = b; 2072 } 2073 2074 #ifdef DIAGNOSTIC 2075 if (count != cb->size) { 2076 printf("uaudio_chan_rintr: count(%d) != size(%d)\n", 2077 count, cb->size); 2078 } 2079 #endif 2080 2081 /* 2082 * Transfer data from channel buffer to upper layer buffer, taking 2083 * care of wrapping the upper layer buffer. 2084 */ 2085 n = min(count, ch->end - ch->cur); 2086 memcpy(ch->cur, cb->buffer, n); 2087 ch->cur += n; 2088 if (ch->cur >= ch->end) 2089 ch->cur = ch->start; 2090 if (count > n) { 2091 memcpy(ch->cur, cb->buffer + n, count - n); 2092 ch->cur += count - n; 2093 } 2094 2095 /* Call back to upper layer */ 2096 ch->transferred += cb->size; 2097 s = splaudio(); 2098 while (ch->transferred >= ch->blksize) { 2099 ch->transferred -= ch->blksize; 2100 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n", 2101 ch->intr, ch->arg)); 2102 ch->intr(ch->arg); 2103 } 2104 splx(s); 2105 2106 /* start next transfer */ 2107 uaudio_chan_rtransfer(ch); 2108 } 2109 2110 void 2111 uaudio_chan_set_param(struct chan *ch, struct audio_params *param, 2112 u_char *start, u_char *end, int blksize) 2113 { 2114 int samples_per_frame, sample_size; 2115 2116 sample_size = param->precision * param->channels / 8; 2117 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND; 2118 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND; 2119 ch->sample_size = sample_size; 2120 ch->sample_rate = param->sample_rate; 2121 ch->bytes_per_frame = samples_per_frame * sample_size; 2122 ch->residue = 0; 2123 2124 ch->start = start; 2125 ch->end = end; 2126 ch->cur = start; 2127 ch->blksize = blksize; 2128 ch->transferred = 0; 2129 2130 ch->curchanbuf = 0; 2131 } 2132 2133 int 2134 uaudio_set_params(void *addr, int setmode, int usemode, 2135 struct audio_params *play, struct audio_params *rec) 2136 { 2137 struct uaudio_softc *sc = addr; 2138 int flags = sc->sc_altflags; 2139 int factor; 2140 int enc, i, j; 2141 void (*swcode)(void *, u_char *buf, int cnt); 2142 struct audio_params *p; 2143 int mode; 2144 2145 if (sc->sc_dying) 2146 return (EIO); 2147 2148 if (sc->sc_chan.pipe != NULL) 2149 return (EBUSY); 2150 2151 for (mode = AUMODE_RECORD; mode != -1; 2152 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 2153 if ((setmode & mode) == 0) 2154 continue; 2155 if ((sc->sc_chan.dir & mode) == 0) 2156 continue; 2157 2158 p = mode == AUMODE_PLAY ? play : rec; 2159 2160 factor = 1; 2161 swcode = 0; 2162 enc = p->encoding; 2163 switch (enc) { 2164 case AUDIO_ENCODING_SLINEAR_BE: 2165 if (p->precision == 16) { 2166 swcode = swap_bytes; 2167 enc = AUDIO_ENCODING_SLINEAR_LE; 2168 } else if (p->precision == 8 && !(flags & HAS_8)) { 2169 swcode = change_sign8; 2170 enc = AUDIO_ENCODING_ULINEAR_LE; 2171 } 2172 break; 2173 case AUDIO_ENCODING_SLINEAR_LE: 2174 if (p->precision == 8 && !(flags & HAS_8)) { 2175 swcode = change_sign8; 2176 enc = AUDIO_ENCODING_ULINEAR_LE; 2177 } 2178 break; 2179 case AUDIO_ENCODING_ULINEAR_BE: 2180 if (p->precision == 16) { 2181 if (mode == AUMODE_PLAY) 2182 swcode = swap_bytes_change_sign16_le; 2183 else 2184 swcode = change_sign16_swap_bytes_le; 2185 enc = AUDIO_ENCODING_SLINEAR_LE; 2186 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2187 swcode = change_sign8; 2188 enc = AUDIO_ENCODING_SLINEAR_LE; 2189 } 2190 break; 2191 case AUDIO_ENCODING_ULINEAR_LE: 2192 if (p->precision == 16) { 2193 swcode = change_sign16_le; 2194 enc = AUDIO_ENCODING_SLINEAR_LE; 2195 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2196 swcode = change_sign8; 2197 enc = AUDIO_ENCODING_SLINEAR_LE; 2198 } 2199 break; 2200 case AUDIO_ENCODING_ULAW: 2201 if (!(flags & HAS_MULAW)) { 2202 if (mode == AUMODE_PLAY && 2203 (flags & HAS_16)) { 2204 swcode = mulaw_to_slinear16_le; 2205 factor = 2; 2206 enc = AUDIO_ENCODING_SLINEAR_LE; 2207 } else if (flags & HAS_8U) { 2208 if (mode == AUMODE_PLAY) 2209 swcode = mulaw_to_ulinear8; 2210 else 2211 swcode = ulinear8_to_mulaw; 2212 enc = AUDIO_ENCODING_ULINEAR_LE; 2213 } else if (flags & HAS_8) { 2214 if (mode == AUMODE_PLAY) 2215 swcode = mulaw_to_slinear8; 2216 else 2217 swcode = slinear8_to_mulaw; 2218 enc = AUDIO_ENCODING_SLINEAR_LE; 2219 } else 2220 return (EINVAL); 2221 } 2222 break; 2223 case AUDIO_ENCODING_ALAW: 2224 if (!(flags & HAS_ALAW)) { 2225 if (mode == AUMODE_PLAY && 2226 (flags & HAS_16)) { 2227 swcode = alaw_to_slinear16_le; 2228 factor = 2; 2229 enc = AUDIO_ENCODING_SLINEAR_LE; 2230 } else if (flags & HAS_8U) { 2231 if (mode == AUMODE_PLAY) 2232 swcode = alaw_to_ulinear8; 2233 else 2234 swcode = ulinear8_to_alaw; 2235 enc = AUDIO_ENCODING_ULINEAR_LE; 2236 } else if (flags & HAS_8) { 2237 if (mode == AUMODE_PLAY) 2238 swcode = alaw_to_slinear8; 2239 else 2240 swcode = slinear8_to_alaw; 2241 enc = AUDIO_ENCODING_SLINEAR_LE; 2242 } else 2243 return (EINVAL); 2244 } 2245 break; 2246 default: 2247 return (EINVAL); 2248 } 2249 /* XXX do some other conversions... */ 2250 2251 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n", 2252 p->channels, p->precision, enc, p->sample_rate)); 2253 2254 for (i = 0; i < sc->sc_nalts; i++) { 2255 struct usb_audio_streaming_type1_descriptor *a1d = 2256 sc->sc_alts[i].asf1desc; 2257 if (p->channels == a1d->bNrChannels && 2258 p->precision == a1d->bBitResolution && 2259 enc == sc->sc_alts[i].encoding && 2260 (mode == AUMODE_PLAY ? UE_DIR_OUT : UE_DIR_IN) == 2261 UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress)) { 2262 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2263 DPRINTFN(2,("uaudio_set_params: cont %d-%d\n", 2264 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2265 if (UA_SAMP_LO(a1d) < p->sample_rate && 2266 p->sample_rate < UA_SAMP_HI(a1d)) 2267 goto found; 2268 } else { 2269 for (j = 0; j < a1d->bSamFreqType; j++) { 2270 DPRINTFN(2,("uaudio_set_params: disc #" 2271 "%d: %d\n", j, UA_GETSAMP(a1d, j))); 2272 /* XXX allow for some slack */ 2273 if (UA_GETSAMP(a1d, j) == 2274 p->sample_rate) 2275 goto found; 2276 } 2277 } 2278 } 2279 } 2280 return (EINVAL); 2281 2282 found: 2283 p->sw_code = swcode; 2284 p->factor = factor; 2285 if (usemode == mode) 2286 sc->sc_curaltidx = i; 2287 } 2288 2289 DPRINTF(("uaudio_set_params: use altidx=%d, altno=%d\n", 2290 sc->sc_curaltidx, 2291 sc->sc_alts[sc->sc_curaltidx].idesc->bAlternateSetting)); 2292 2293 return (0); 2294 } 2295 2296 usbd_status 2297 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed) 2298 { 2299 usb_device_request_t req; 2300 u_int8_t data[3]; 2301 2302 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed)); 2303 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 2304 req.bRequest = SET_CUR; 2305 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 2306 USETW(req.wIndex, endpt); 2307 USETW(req.wLength, 3); 2308 data[0] = speed; 2309 data[1] = speed >> 8; 2310 data[2] = speed >> 16; 2311 2312 return (usbd_do_request(sc->sc_udev, &req, &data)); 2313 } 2314 2315