uaudio.c revision 1.13
1 /* $NetBSD: uaudio.c,v 1.13 1999/11/26 01:38:40 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 (augustss (at) carlstedt.se) 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.teleport.com/~usb/data/Audio10.pdf 42 * http://www.teleport.com/~usb/data/Frmts10.pdf 43 * http://www.teleport.com/~usb/data/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/select.h> 55 #include <sys/proc.h> 56 #include <sys/vnode.h> 57 #include <sys/device.h> 58 #include <sys/poll.h> 59 60 #include <sys/audioio.h> 61 #include <dev/audio_if.h> 62 #include <dev/mulaw.h> 63 #include <dev/auconv.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usb_quirks.h> 69 70 #include <dev/usb/uaudioreg.h> 71 72 #ifdef UAUDIO_DEBUG 73 #define DPRINTF(x) if (uaudiodebug) logprintf x 74 #define DPRINTFN(n,x) if (uaudiodebug>(n)) logprintf x 75 int uaudiodebug = 0; 76 #else 77 #define DPRINTF(x) 78 #define DPRINTFN(n,x) 79 #endif 80 81 #define UAUDIO_NCHANBUFS 5 /* number of outstanding request */ 82 #define UAUDIO_NFRAMES 20 /* ms of sound in each request */ 83 84 85 #define MIX_MAX_CHAN 8 86 struct mixerctl { 87 u_int16_t wValue[MIX_MAX_CHAN]; /* using nchan */ 88 u_int16_t wIndex; 89 u_int8_t nchan; 90 u_int8_t type; 91 #define MIX_ON_OFF 1 92 #define MIX_SIGNED_16 2 93 #define MIX_UNSIGNED_16 3 94 #define MIX_SIGNED_8 4 95 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1) 96 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16) 97 int minval, maxval; 98 u_int8_t class; 99 char ctlname[MAX_AUDIO_DEV_LEN]; 100 char *ctlunit; 101 }; 102 #define MAKE(h,l) (((h) << 8) | (l)) 103 104 struct as_info { 105 u_int8_t alt; 106 u_int8_t encoding; 107 usb_interface_descriptor_t *idesc; 108 usb_endpoint_descriptor_audio_t *edesc; 109 struct usb_audio_streaming_type1_descriptor *asf1desc; 110 }; 111 112 struct chan { 113 int terminal; /* terminal id */ 114 void (*intr) __P((void *)); /* dma completion intr handler */ 115 void *arg; /* arg for intr() */ 116 usbd_pipe_handle pipe; 117 int dir; /* direction, UE_DIR_XXX */ 118 119 u_int sample_size; 120 u_int sample_rate; 121 u_int bytes_per_frame; 122 u_int fraction; /* fraction/1000 is the extra samples/frame */ 123 u_int residue; /* accumulates the fractional samples */ 124 125 u_char *start; /* upper layer buffer start */ 126 u_char *end; /* upper layer buffer end */ 127 u_char *cur; /* current position in upper layer buffer */ 128 int blksize; /* chunk size to report up */ 129 int transferred; /* transferred bytes not reported up */ 130 131 int curchanbuf; 132 struct chanbuf { 133 struct chan *chan; 134 usbd_xfer_handle xfer; 135 u_char *buffer; 136 u_int16_t sizes[UAUDIO_NFRAMES]; 137 u_int16_t size; 138 } chanbufs[UAUDIO_NCHANBUFS]; 139 140 struct uaudio_softc *sc; /* our softc */ 141 }; 142 143 struct uaudio_softc { 144 USBBASEDEVICE sc_dev; /* base device */ 145 usbd_device_handle sc_udev; /* USB device */ 146 147 int sc_ac_iface; /* Audio Control interface */ 148 int sc_as_iface; /* Audio Streaming interface */ 149 usbd_interface_handle sc_ac_ifaceh; 150 usbd_interface_handle sc_as_ifaceh; 151 152 struct chan sc_chan; 153 154 int sc_curaltidx; 155 156 int sc_nullalt; 157 158 int sc_audio_rev; 159 160 struct as_info *sc_alts; 161 int sc_nalts; 162 int sc_props; 163 164 int sc_altflags; 165 #define HAS_8 0x01 166 #define HAS_16 0x02 167 #define HAS_8U 0x04 168 #define HAS_ALAW 0x08 169 #define HAS_MULAW 0x10 170 171 struct mixerctl *sc_ctls; 172 int sc_nctls; 173 174 device_ptr_t sc_audiodev; 175 char sc_dying; 176 }; 177 178 #define UAC_OUTPUT 0 179 #define UAC_INPUT 1 180 #define UAC_EQUAL 2 181 182 static usbd_status uaudio_identify_ac __P((struct uaudio_softc *sc, 183 usb_config_descriptor_t *cdesc)); 184 static usbd_status uaudio_identify_as __P((struct uaudio_softc *sc, 185 usb_config_descriptor_t *cdesc)); 186 static usbd_status uaudio_process_as __P((struct uaudio_softc *sc, 187 char *buf, int *offsp, int size, 188 usb_interface_descriptor_t *id)); 189 190 static void uaudio_add_alt __P((struct uaudio_softc *sc, 191 struct as_info *ai)); 192 193 static usb_interface_descriptor_t *uaudio_find_iface 194 __P((char *buf, int size, int *offsp, int subtype)); 195 196 static void uaudio_mixer_add_ctl __P((struct uaudio_softc *sc, 197 struct mixerctl *mp)); 198 static char *uaudio_id_name __P((struct uaudio_softc *sc, 199 usb_descriptor_t **dps, int id)); 200 static struct usb_audio_cluster uaudio_get_cluster __P((int id, 201 usb_descriptor_t **dps)); 202 static void uaudio_add_input __P((struct uaudio_softc *sc, 203 usb_descriptor_t *v, usb_descriptor_t **dps)); 204 static void uaudio_add_output __P((struct uaudio_softc *sc, 205 usb_descriptor_t *v, usb_descriptor_t **dps)); 206 static void uaudio_add_mixer __P((struct uaudio_softc *sc, 207 usb_descriptor_t *v, usb_descriptor_t **dps)); 208 static void uaudio_add_selector __P((struct uaudio_softc *sc, 209 usb_descriptor_t *v, usb_descriptor_t **dps)); 210 static void uaudio_add_feature __P((struct uaudio_softc *sc, 211 usb_descriptor_t *v, usb_descriptor_t **dps)); 212 static void uaudio_add_processing __P((struct uaudio_softc *sc, 213 usb_descriptor_t *v, usb_descriptor_t **dps)); 214 static void uaudio_add_extension __P((struct uaudio_softc *sc, 215 usb_descriptor_t *v, usb_descriptor_t **dps)); 216 static usbd_status uaudio_identify __P((struct uaudio_softc *sc, 217 usb_config_descriptor_t *cdesc)); 218 219 static int uaudio_signext __P((int type, int val)); 220 static int uaudio_value2bsd __P((struct mixerctl *mc, int val)); 221 static int uaudio_bsd2value __P((struct mixerctl *mc, int val)); 222 static int uaudio_get __P((struct uaudio_softc *sc, int type, 223 int which, int wValue, int wIndex, int len)); 224 static int uaudio_ctl_get __P((struct uaudio_softc *sc, int which, 225 struct mixerctl *mc, int chan)); 226 static void uaudio_set __P((struct uaudio_softc *sc, int type, 227 int which, int wValue, int wIndex, int l, int v)); 228 static void uaudio_ctl_set __P((struct uaudio_softc *sc, int which, 229 struct mixerctl *mc, int chan, int val)); 230 231 static usbd_status uaudio_set_speed __P((struct uaudio_softc *, int, 232 u_int)); 233 234 static usbd_status uaudio_chan_open __P((struct uaudio_softc *sc, 235 struct chan *ch)); 236 static void uaudio_chan_close __P((struct uaudio_softc *sc, 237 struct chan *ch)); 238 static usbd_status uaudio_chan_alloc_buffers __P((struct uaudio_softc *, 239 struct chan *)); 240 static void uaudio_chan_free_buffers __P((struct uaudio_softc *, 241 struct chan *)); 242 static void uaudio_chan_set_param __P((struct chan *ch, 243 struct audio_params *param, u_char *start, 244 u_char *end, int blksize)); 245 static void uaudio_chan_ptransfer __P((struct chan *ch)); 246 static void uaudio_chan_pintr __P((usbd_xfer_handle xfer, 247 usbd_private_handle priv, usbd_status status)); 248 249 static void uaudio_chan_rtransfer __P((struct chan *ch)); 250 static void uaudio_chan_rintr __P((usbd_xfer_handle xfer, 251 usbd_private_handle priv, usbd_status status)); 252 253 254 255 static int uaudio_open __P((void *, int)); 256 static void uaudio_close __P((void *)); 257 static int uaudio_drain __P((void *)); 258 static int uaudio_query_encoding __P((void *, 259 struct audio_encoding *)); 260 static int uaudio_set_params __P((void *, int, int, 261 struct audio_params *, struct audio_params *)); 262 static int uaudio_round_blocksize __P((void *, int)); 263 static int uaudio_trigger_output __P((void *, void *, void *, 264 int, void (*)(void *), void *, 265 struct audio_params *)); 266 static int uaudio_trigger_input __P((void *, void *, void *, 267 int, void (*)(void *), void *, 268 struct audio_params *)); 269 static int uaudio_halt_in_dma __P((void *)); 270 static int uaudio_halt_out_dma __P((void *)); 271 static int uaudio_getdev __P((void *, struct audio_device *)); 272 static int uaudio_mixer_set_port __P((void *, mixer_ctrl_t *)); 273 static int uaudio_mixer_get_port __P((void *, mixer_ctrl_t *)); 274 static int uaudio_query_devinfo __P((void *, mixer_devinfo_t *)); 275 static int uaudio_get_props __P((void *)); 276 277 static struct audio_hw_if uaudio_hw_if = { 278 uaudio_open, 279 uaudio_close, 280 uaudio_drain, 281 uaudio_query_encoding, 282 uaudio_set_params, 283 uaudio_round_blocksize, 284 NULL, 285 NULL, 286 NULL, 287 NULL, 288 NULL, 289 uaudio_halt_out_dma, 290 uaudio_halt_in_dma, 291 NULL, 292 uaudio_getdev, 293 NULL, 294 uaudio_mixer_set_port, 295 uaudio_mixer_get_port, 296 uaudio_query_devinfo, 297 NULL, 298 NULL, 299 NULL, 300 NULL, 301 uaudio_get_props, 302 uaudio_trigger_output, 303 uaudio_trigger_input, 304 }; 305 306 static struct audio_device uaudio_device = { 307 "USB audio", 308 "", 309 "uaudio" 310 }; 311 312 USB_DECLARE_DRIVER(uaudio); 313 314 USB_MATCH(uaudio) 315 { 316 USB_MATCH_START(uaudio, uaa); 317 usb_interface_descriptor_t *id; 318 319 if (uaa->iface == NULL) 320 return (UMATCH_NONE); 321 322 id = usbd_get_interface_descriptor(uaa->iface); 323 /* Trigger on the control interface. */ 324 if (id == NULL || 325 id->bInterfaceClass != UCLASS_AUDIO || 326 id->bInterfaceSubClass != USUBCLASS_AUDIOCONTROL || 327 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO)) 328 return (UMATCH_NONE); 329 330 return (UMATCH_IFACECLASS_IFACESUBCLASS); 331 } 332 333 USB_ATTACH(uaudio) 334 { 335 USB_ATTACH_START(uaudio, sc, uaa); 336 usb_interface_descriptor_t *id; 337 usb_config_descriptor_t *cdesc; 338 char devinfo[1024]; 339 usbd_status err; 340 int i; 341 342 usbd_devinfo(uaa->device, 0, devinfo); 343 printf(": %s\n", devinfo); 344 345 sc->sc_udev = uaa->device; 346 347 cdesc = usbd_get_config_descriptor(sc->sc_udev); 348 if (cdesc == NULL) { 349 printf("%s: failed to get configuration descriptor\n", 350 USBDEVNAME(sc->sc_dev)); 351 USB_ATTACH_ERROR_RETURN; 352 } 353 354 err = uaudio_identify(sc, cdesc); 355 if (err) { 356 printf("%s: audio descriptors make no sense, error=%d\n", 357 USBDEVNAME(sc->sc_dev), err); 358 USB_ATTACH_ERROR_RETURN; 359 } 360 361 sc->sc_ac_ifaceh = uaa->iface; 362 /* Pick up the AS interface. */ 363 for (i = 0; i < uaa->nifaces; i++) { 364 if (uaa->ifaces[i] != NULL) { 365 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 366 if (id != NULL && 367 id->bInterfaceNumber == sc->sc_as_iface) { 368 sc->sc_as_ifaceh = uaa->ifaces[i]; 369 uaa->ifaces[i] = NULL; 370 break; 371 } 372 } 373 } 374 375 if (sc->sc_as_ifaceh == NULL) { 376 printf("%s: missing AS interface(s)\n",USBDEVNAME(sc->sc_dev)); 377 USB_ATTACH_ERROR_RETURN; 378 } 379 380 printf("%s: streaming interface %d, audio rev %d.%02x\n", 381 USBDEVNAME(sc->sc_dev), sc->sc_as_iface, 382 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 383 384 sc->sc_chan.sc = sc; 385 386 DPRINTF(("uaudio_attach: doing audio_attach_mi\n")); 387 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 388 389 USB_ATTACH_SUCCESS_RETURN; 390 } 391 392 int 393 uaudio_activate(self, act) 394 device_ptr_t self; 395 enum devact act; 396 { 397 struct uaudio_softc *sc = (struct uaudio_softc *)self; 398 int rv = 0; 399 400 switch (act) { 401 case DVACT_ACTIVATE: 402 return (EOPNOTSUPP); 403 break; 404 405 case DVACT_DEACTIVATE: 406 if (sc->sc_audiodev) 407 rv = config_deactivate(sc->sc_audiodev); 408 sc->sc_dying = 1; 409 break; 410 } 411 return (rv); 412 } 413 414 int 415 uaudio_detach(self, flags) 416 device_ptr_t self; 417 int flags; 418 { 419 struct uaudio_softc *sc = (struct uaudio_softc *)self; 420 int rv = 0; 421 422 /* Wait for outstanding requests to complete. */ 423 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 424 425 if (sc->sc_audiodev != NULL) 426 rv = config_detach(sc->sc_audiodev, flags); 427 428 return (rv); 429 } 430 431 int 432 uaudio_query_encoding(addr, fp) 433 void *addr; 434 struct audio_encoding *fp; 435 { 436 struct uaudio_softc *sc = addr; 437 int flags = sc->sc_altflags; 438 int idx; 439 440 if (sc->sc_dying) 441 return (EIO); 442 443 if (sc->sc_nalts == 0 || flags == 0) 444 return (ENXIO); 445 446 idx = fp->index; 447 switch (idx) { 448 case 0: 449 strcpy(fp->name, AudioEulinear); 450 fp->encoding = AUDIO_ENCODING_ULINEAR; 451 fp->precision = 8; 452 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 453 return (0); 454 case 1: 455 strcpy(fp->name, AudioEmulaw); 456 fp->encoding = AUDIO_ENCODING_ULAW; 457 fp->precision = 8; 458 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 459 return (0); 460 case 2: 461 strcpy(fp->name, AudioEalaw); 462 fp->encoding = AUDIO_ENCODING_ALAW; 463 fp->precision = 8; 464 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 465 return (0); 466 case 3: 467 strcpy(fp->name, AudioEslinear); 468 fp->encoding = AUDIO_ENCODING_SLINEAR; 469 fp->precision = 8; 470 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 471 return (0); 472 case 4: 473 strcpy(fp->name, AudioEslinear_le); 474 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 475 fp->precision = 16; 476 fp->flags = 0; 477 return (0); 478 case 5: 479 strcpy(fp->name, AudioEulinear_le); 480 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 481 fp->precision = 16; 482 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 483 return (0); 484 case 6: 485 strcpy(fp->name, AudioEslinear_be); 486 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 487 fp->precision = 16; 488 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 489 return (0); 490 case 7: 491 strcpy(fp->name, AudioEulinear_be); 492 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 493 fp->precision = 16; 494 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 495 return (0); 496 default: 497 return (EINVAL); 498 } 499 } 500 501 usb_interface_descriptor_t * 502 uaudio_find_iface(buf, size, offsp, subtype) 503 char *buf; 504 int size; 505 int *offsp; 506 int subtype; 507 { 508 usb_interface_descriptor_t *d; 509 510 while (*offsp < size) { 511 d = (void *)(buf + *offsp); 512 *offsp += d->bLength; 513 if (d->bDescriptorType == UDESC_INTERFACE && 514 d->bInterfaceClass == UCLASS_AUDIO && 515 d->bInterfaceSubClass == subtype) 516 return (d); 517 } 518 return (0); 519 } 520 521 void 522 uaudio_mixer_add_ctl(sc, mc) 523 struct uaudio_softc *sc; 524 struct mixerctl *mc; 525 { 526 if (sc->sc_nctls == 0) 527 sc->sc_ctls = malloc(sizeof *mc, M_USBDEV, M_NOWAIT); 528 else 529 sc->sc_ctls = realloc(sc->sc_ctls, 530 (sc->sc_nctls+1) * sizeof *mc, 531 M_USBDEV, M_NOWAIT); 532 if (sc->sc_ctls == 0) { 533 printf("uaudio_mixer_add_ctl: no memory\n"); 534 return; 535 } 536 537 if (mc->type != MIX_ON_OFF) { 538 /* Determine min and max values. */ 539 mc->minval = uaudio_signext(mc->type, 540 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 541 mc->wValue[0], mc->wIndex, 542 MIX_SIZE(mc->type))); 543 mc->maxval = 1 + uaudio_signext(mc->type, 544 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 545 mc->wValue[0], mc->wIndex, 546 MIX_SIZE(mc->type))); 547 } else { 548 mc->minval = 0; 549 mc->maxval = 1; 550 } 551 552 sc->sc_ctls[sc->sc_nctls++] = *mc; 553 554 #ifdef UAUDIO_DEBUG 555 if (uaudiodebug > 2) { 556 int i; 557 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0])); 558 for (i = 1; i < mc->nchan; i++) 559 DPRINTF((",%04x", mc->wValue[i])); 560 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' " 561 "min=%d max=%d\n", 562 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 563 mc->minval, mc->maxval)); 564 } 565 #endif 566 } 567 568 char * 569 uaudio_id_name(sc, dps, id) 570 struct uaudio_softc *sc; 571 usb_descriptor_t **dps; 572 int id; 573 { 574 static char buf[32]; 575 sprintf(buf, "i%d", id); 576 return (buf); 577 } 578 579 struct usb_audio_cluster 580 uaudio_get_cluster(id, dps) 581 int id; 582 usb_descriptor_t **dps; 583 { 584 struct usb_audio_cluster r; 585 usb_descriptor_t *dp; 586 int i; 587 588 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 589 dp = dps[id]; 590 if (dp == 0) 591 goto bad; 592 switch (dp->bDescriptorSubtype) { 593 case UDESCSUB_AC_INPUT: 594 #define p ((struct usb_audio_input_terminal *)dp) 595 r.bNrChannels = p->bNrChannels; 596 USETW(r.wChannelConfig, UGETW(p->wChannelConfig)); 597 r.iChannelNames = p->iChannelNames; 598 #undef p 599 return (r); 600 case UDESCSUB_AC_OUTPUT: 601 #define p ((struct usb_audio_output_terminal *)dp) 602 id = p->bSourceId; 603 #undef p 604 break; 605 case UDESCSUB_AC_MIXER: 606 #define p ((struct usb_audio_mixer_unit *)dp) 607 r = *(struct usb_audio_cluster *) 608 &p->baSourceId[p->bNrInPins]; 609 #undef p 610 return (r); 611 case UDESCSUB_AC_SELECTOR: 612 /* XXX This is not really right */ 613 #define p ((struct usb_audio_selector_unit *)dp) 614 id = p->baSourceId[0]; 615 #undef p 616 break; 617 case UDESCSUB_AC_FEATURE: 618 #define p ((struct usb_audio_feature_unit *)dp) 619 id = p->bSourceId; 620 #undef p 621 break; 622 case UDESCSUB_AC_PROCESSING: 623 #define p ((struct usb_audio_processing_unit *)dp) 624 r = *(struct usb_audio_cluster *) 625 &p->baSourceId[p->bNrInPins]; 626 #undef p 627 return (r); 628 case UDESCSUB_AC_EXTENSION: 629 #define p ((struct usb_audio_extension_unit *)dp) 630 r = *(struct usb_audio_cluster *) 631 &p->baSourceId[p->bNrInPins]; 632 #undef p 633 return (r); 634 default: 635 goto bad; 636 } 637 } 638 bad: 639 printf("uaudio_get_cluster: bad data\n"); 640 memset(&r, 0, sizeof r); 641 return (r); 642 643 } 644 645 void 646 uaudio_add_input(sc, v, dps) 647 struct uaudio_softc *sc; 648 usb_descriptor_t *v; 649 usb_descriptor_t **dps; 650 { 651 #ifdef UAUDIO_DEBUG 652 struct usb_audio_input_terminal *d = 653 (struct usb_audio_input_terminal *)v; 654 655 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x " 656 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 657 "iChannelNames=%d iTerminal=%d\n", 658 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 659 d->bNrChannels, UGETW(d->wChannelConfig), 660 d->iChannelNames, d->iTerminal)); 661 #endif 662 } 663 664 void 665 uaudio_add_output(sc, v, dps) 666 struct uaudio_softc *sc; 667 usb_descriptor_t *v; 668 usb_descriptor_t **dps; 669 { 670 #ifdef UAUDIO_DEBUG 671 struct usb_audio_output_terminal *d = 672 (struct usb_audio_output_terminal *)v; 673 674 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x " 675 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 676 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 677 d->bSourceId, d->iTerminal)); 678 #endif 679 } 680 681 void 682 uaudio_add_mixer(sc, v, dps) 683 struct uaudio_softc *sc; 684 usb_descriptor_t *v; 685 usb_descriptor_t **dps; 686 { 687 struct usb_audio_mixer_unit *d = (struct usb_audio_mixer_unit *)v; 688 struct usb_audio_mixer_unit_1 *d1; 689 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 690 uByte *bm; 691 struct mixerctl mix; 692 693 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n", 694 d->bUnitId, d->bNrInPins)); 695 696 /* Compute the number of input channels */ 697 ichs = 0; 698 for (i = 0; i < d->bNrInPins; i++) 699 ichs += uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 700 701 /* and the number of output channels */ 702 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 703 ochs = d1->bNrChannels; 704 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs)); 705 706 bm = d1->bmControls; 707 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 708 mix.class = -1; 709 mix.type = MIX_SIGNED_16; 710 mix.ctlunit = AudioNvolume; 711 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 712 for (p = i = 0; i < d->bNrInPins; i++) { 713 chs = uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 714 mc = 0; 715 for (c = 0; c < chs; c++) { 716 mo = 0; 717 for (o = 0; o < ochs; o++) { 718 bno = (p + c) * ochs + o; 719 if (BIT(bno)) 720 mo++; 721 } 722 if (mo == 1) 723 mc++; 724 } 725 if (mc == chs && chs <= MIX_MAX_CHAN) { 726 k = 0; 727 for (c = 0; c < chs; c++) 728 for (o = 0; o < ochs; o++) { 729 bno = (p + c) * ochs + o; 730 if (BIT(bno)) 731 mix.wValue[k++] = 732 MAKE(p+c+1, o+1); 733 } 734 sprintf(mix.ctlname, "mix%d-%s", d->bUnitId, 735 uaudio_id_name(sc, dps, d->baSourceId[i])); 736 mix.nchan = chs; 737 uaudio_mixer_add_ctl(sc, &mix); 738 } else { 739 /* XXX */ 740 } 741 #undef BIT 742 p += chs; 743 } 744 745 } 746 747 void 748 uaudio_add_selector(sc, v, dps) 749 struct uaudio_softc *sc; 750 usb_descriptor_t *v; 751 usb_descriptor_t **dps; 752 { 753 #ifdef UAUDIO_DEBUG 754 struct usb_audio_selector_unit *d = 755 (struct usb_audio_selector_unit *)v; 756 757 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n", 758 d->bUnitId, d->bNrInPins)); 759 #endif 760 printf("uaudio_add_selector: NOT IMPLEMENTED\n"); 761 } 762 763 void 764 uaudio_add_feature(sc, v, dps) 765 struct uaudio_softc *sc; 766 usb_descriptor_t *v; 767 usb_descriptor_t **dps; 768 { 769 struct usb_audio_feature_unit *d = (struct usb_audio_feature_unit *)v; 770 uByte *ctls = d->bmaControls; 771 int ctlsize = d->bControlSize; 772 int nchan = (d->bLength - 7) / ctlsize; 773 int srcId = d->bSourceId; 774 u_int fumask, mmask, cmask; 775 struct mixerctl mix; 776 int chan, ctl, i, unit; 777 778 #define GET(i) (ctls[(i)*ctlsize] | \ 779 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 780 781 mmask = GET(0); 782 /* Figure out what we can control */ 783 for (cmask = 0, chan = 1; chan < nchan; chan++) { 784 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n", 785 chan, GET(chan))); 786 cmask |= GET(chan); 787 } 788 789 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d bSourceId=%d, " 790 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 791 d->bUnitId, srcId, nchan, mmask, cmask)); 792 793 if (nchan > MIX_MAX_CHAN) 794 nchan = MIX_MAX_CHAN; 795 unit = d->bUnitId; 796 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 797 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 798 fumask = FU_MASK(ctl); 799 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n", 800 ctl, fumask)); 801 if (mmask & fumask) { 802 mix.nchan = 1; 803 mix.wValue[0] = MAKE(ctl, 0); 804 } else if (cmask & fumask) { 805 mix.nchan = nchan - 1; 806 for (i = 1; i < nchan; i++) { 807 if (GET(i) & fumask) 808 mix.wValue[i-1] = MAKE(ctl, i); 809 else 810 mix.wValue[i-1] = -1; 811 } 812 } else { 813 continue; 814 } 815 #undef GET 816 mix.class = -1; /* XXX */ 817 switch (ctl) { 818 case MUTE_CONTROL: 819 mix.type = MIX_ON_OFF; 820 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 821 uaudio_id_name(sc, dps, srcId), 822 AudioNmute); 823 mix.ctlunit = ""; 824 break; 825 case VOLUME_CONTROL: 826 mix.type = MIX_SIGNED_16; 827 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 828 uaudio_id_name(sc, dps, srcId), 829 AudioNmaster); 830 mix.ctlunit = AudioNvolume; 831 break; 832 case BASS_CONTROL: 833 mix.type = MIX_SIGNED_8; 834 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 835 uaudio_id_name(sc, dps, srcId), 836 AudioNbass); 837 mix.ctlunit = AudioNbass; 838 break; 839 case MID_CONTROL: 840 mix.type = MIX_SIGNED_8; 841 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 842 uaudio_id_name(sc, dps, srcId), 843 AudioNmid); 844 mix.ctlunit = AudioNmid; 845 break; 846 case TREBLE_CONTROL: 847 mix.type = MIX_SIGNED_8; 848 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 849 uaudio_id_name(sc, dps, srcId), 850 AudioNtreble); 851 mix.ctlunit = AudioNtreble; 852 break; 853 case GRAPHIC_EQUALIZER_CONTROL: 854 continue; /* XXX don't add anything */ 855 break; 856 case AGC_CONTROL: 857 mix.type = MIX_ON_OFF; 858 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 859 uaudio_id_name(sc, dps, srcId), 860 AudioNagc); 861 mix.ctlunit = ""; 862 break; 863 case DELAY_CONTROL: 864 mix.type = MIX_UNSIGNED_16; 865 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 866 uaudio_id_name(sc, dps, srcId), 867 AudioNdelay); 868 mix.ctlunit = "4 ms"; 869 break; 870 case BASS_BOOST_CONTROL: 871 mix.type = MIX_ON_OFF; 872 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 873 uaudio_id_name(sc, dps, srcId), 874 AudioNbassboost); 875 mix.ctlunit = ""; 876 break; 877 case LOUDNESS_CONTROL: 878 mix.type = MIX_ON_OFF; 879 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 880 uaudio_id_name(sc, dps, srcId), 881 AudioNloudness); 882 mix.ctlunit = ""; 883 break; 884 } 885 uaudio_mixer_add_ctl(sc, &mix); 886 } 887 } 888 889 void 890 uaudio_add_processing(sc, v, dps) 891 struct uaudio_softc *sc; 892 usb_descriptor_t *v; 893 usb_descriptor_t **dps; 894 { 895 #ifdef UAUDIO_DEBUG 896 struct usb_audio_processing_unit *d = 897 (struct usb_audio_processing_unit *)v; 898 899 DPRINTFN(2,("uaudio_add_processing: bUnitId=%d bNrInPins=%d\n", 900 d->bUnitId, d->bNrInPins)); 901 printf("uaudio_add_processing: NOT IMPLEMENTED\n"); 902 #endif 903 } 904 905 void 906 uaudio_add_extension(sc, v, dps) 907 struct uaudio_softc *sc; 908 usb_descriptor_t *v; 909 usb_descriptor_t **dps; 910 { 911 struct usb_audio_extension_unit *d = 912 (struct usb_audio_extension_unit *)v; 913 struct usb_audio_extension_unit_1 *d1 = 914 (struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins]; 915 struct mixerctl mix; 916 917 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n", 918 d->bUnitId, d->bNrInPins)); 919 920 if (d1->bmControls[0] & (1 << UA_EXT_ENABLE)) { 921 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 922 mix.nchan = 1; 923 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 924 mix.class = -1; 925 mix.type = MIX_ON_OFF; 926 mix.ctlunit = ""; 927 sprintf(mix.ctlname, "ext%d-enable", d->bUnitId); 928 uaudio_mixer_add_ctl(sc, &mix); 929 } 930 } 931 932 usbd_status 933 uaudio_identify(sc, cdesc) 934 struct uaudio_softc *sc; 935 usb_config_descriptor_t *cdesc; 936 { 937 usbd_status err; 938 939 err = uaudio_identify_ac(sc, cdesc); 940 if (err) 941 return (err); 942 return (uaudio_identify_as(sc, cdesc)); 943 } 944 945 void 946 uaudio_add_alt(sc, ai) 947 struct uaudio_softc *sc; 948 struct as_info *ai; 949 { 950 if (sc->sc_nalts == 0) 951 sc->sc_alts = malloc(sizeof *ai, M_USBDEV, M_NOWAIT); 952 else 953 sc->sc_alts = realloc(sc->sc_alts, 954 (sc->sc_nalts+1) * sizeof *ai, 955 M_USBDEV, M_NOWAIT); 956 if (sc->sc_alts == 0) { 957 printf("uaudio_add_alt: no memory\n"); 958 return; 959 } 960 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n", 961 ai->alt, ai->encoding)); 962 sc->sc_alts[sc->sc_nalts++] = *ai; 963 } 964 965 usbd_status 966 uaudio_process_as(sc, buf, offsp, size, id) 967 struct uaudio_softc *sc; 968 char *buf; 969 int *offsp; 970 #define offs (*offsp) 971 int size; 972 usb_interface_descriptor_t *id; 973 { 974 struct usb_audio_streaming_interface_descriptor *asid; 975 struct usb_audio_streaming_type1_descriptor *asf1d; 976 usb_endpoint_descriptor_audio_t *ed; 977 struct usb_audio_streaming_endpoint_descriptor *sed; 978 int format, chan, prec, enc; 979 int dir, type; 980 struct as_info ai; 981 982 asid = (void *)(buf + offs); 983 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 984 asid->bDescriptorSubtype != AS_GENERAL) 985 return (USBD_INVAL); 986 offs += asid->bLength; 987 if (offs > size) 988 return (USBD_INVAL); 989 asf1d = (void *)(buf + offs); 990 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 991 asf1d->bDescriptorSubtype != FORMAT_TYPE) 992 return (USBD_INVAL); 993 offs += asf1d->bLength; 994 if (offs > size) 995 return (USBD_INVAL); 996 997 if (asf1d->bFormatType != FORMAT_TYPE_I) { 998 printf("%s: ignored setting with type %d format\n", 999 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag)); 1000 return (USBD_NORMAL_COMPLETION); 1001 } 1002 1003 ed = (void *)(buf + offs); 1004 if (ed->bDescriptorType != UDESC_ENDPOINT) 1005 return (USBD_INVAL); 1006 DPRINTF(("uaudio_process_as: endpoint bLength=%d bDescriptorType=%d " 1007 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d " 1008 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1009 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1010 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1011 ed->bInterval, ed->bRefresh, ed->bSynchAddress)); 1012 offs += ed->bLength; 1013 if (offs > size) 1014 return (USBD_INVAL); 1015 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1016 return (USBD_INVAL); 1017 1018 dir = UE_GET_DIR(ed->bEndpointAddress); 1019 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1020 /* We can't handle endpoints that need a sync pipe. */ 1021 if (dir == UE_DIR_IN ? type == UE_ISO_ADAPT : type == UE_ISO_ASYNC) { 1022 printf("%s: ignored %sput endpoint of type 0x%x\n", 1023 USBDEVNAME(sc->sc_dev), 1024 dir == UE_DIR_IN ? "in" : "out", 1025 ed->bmAttributes & UE_ISO_TYPE); 1026 return (USBD_NORMAL_COMPLETION); 1027 } 1028 1029 sed = (void *)(buf + offs); 1030 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1031 sed->bDescriptorSubtype != AS_GENERAL) 1032 return (USBD_INVAL); 1033 offs += sed->bLength; 1034 if (offs > size) 1035 return (USBD_INVAL); 1036 1037 format = UGETW(asid->wFormatTag); 1038 chan = asf1d->bNrChannels; 1039 prec = asf1d->bBitResolution; 1040 if (prec != 8 && prec != 16) { 1041 #ifdef AUDIO_DEBUG 1042 printf("%s: ignored setting with precision %d\n", 1043 USBDEVNAME(sc->sc_dev), prec); 1044 #endif 1045 return (USBD_NORMAL_COMPLETION); 1046 } 1047 switch (format) { 1048 case UA_FMT_PCM: 1049 sc->sc_altflags |= prec == 8 ? HAS_8 : HAS_16; 1050 enc = AUDIO_ENCODING_SLINEAR_LE; 1051 break; 1052 case UA_FMT_PCM8: 1053 enc = AUDIO_ENCODING_ULINEAR_LE; 1054 sc->sc_altflags |= HAS_8U; 1055 break; 1056 case UA_FMT_ALAW: 1057 enc = AUDIO_ENCODING_ALAW; 1058 sc->sc_altflags |= HAS_ALAW; 1059 break; 1060 case UA_FMT_MULAW: 1061 enc = AUDIO_ENCODING_ULAW; 1062 sc->sc_altflags |= HAS_MULAW; 1063 break; 1064 default: 1065 printf("%s: ignored setting with format %d\n", 1066 USBDEVNAME(sc->sc_dev), format); 1067 return (USBD_NORMAL_COMPLETION); 1068 } 1069 DPRINTFN(1,("uaudio_identify: alt=%d enc=%d chan=%d prec=%d\n", 1070 id->bAlternateSetting, enc, chan, prec)); 1071 ai.alt = id->bAlternateSetting; 1072 ai.encoding = enc; 1073 ai.idesc = id; 1074 ai.edesc = ed; 1075 ai.asf1desc = asf1d; 1076 uaudio_add_alt(sc, &ai); 1077 sc->sc_chan.terminal = asid->bTerminalLink; /* XXX */ 1078 sc->sc_chan.dir = dir; 1079 return (USBD_NORMAL_COMPLETION); 1080 } 1081 #undef offs 1082 1083 usbd_status 1084 uaudio_identify_as(sc, cdesc) 1085 struct uaudio_softc *sc; 1086 usb_config_descriptor_t *cdesc; 1087 { 1088 usb_interface_descriptor_t *id; 1089 usbd_status err; 1090 char *buf; 1091 int size, offs; 1092 1093 size = UGETW(cdesc->wTotalLength); 1094 buf = (char *)cdesc; 1095 1096 /* Locate the AudioStreaming interface descriptor. */ 1097 offs = 0; 1098 id = uaudio_find_iface(buf, size, &offs, USUBCLASS_AUDIOSTREAM); 1099 if (id == NULL) 1100 return (USBD_INVAL); 1101 sc->sc_as_iface = id->bInterfaceNumber; 1102 DPRINTF(("uaudio_identify_as: AS interface is %d\n", sc->sc_as_iface)); 1103 1104 sc->sc_chan.terminal = -1; 1105 1106 /* Loop through all the alternate settings. */ 1107 while (offs <= size) { 1108 switch (id->bNumEndpoints) { 1109 case 0: 1110 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n", 1111 id->bAlternateSetting)); 1112 sc->sc_nullalt = id->bAlternateSetting; 1113 break; 1114 case 1: 1115 err = uaudio_process_as(sc, buf, &offs, size, id); 1116 break; 1117 default: 1118 #ifdef AUDIO_DEBUG 1119 printf("%s: ignored audio interface with %d " 1120 "endpoints\n", 1121 USBDEVNAME(sc->sc_dev), id->bNumEndpoints); 1122 #endif 1123 break; 1124 } 1125 id = uaudio_find_iface(buf, size, &offs,USUBCLASS_AUDIOSTREAM); 1126 if (id == NULL) 1127 break; 1128 } 1129 if (offs > size) 1130 return (USBD_INVAL); 1131 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts)); 1132 if (sc->sc_chan.terminal < 0) { 1133 printf("%s: no useable endpoint found\n", 1134 USBDEVNAME(sc->sc_dev)); 1135 return (USBD_INVAL); 1136 } 1137 return (USBD_NORMAL_COMPLETION); 1138 } 1139 1140 usbd_status 1141 uaudio_identify_ac(sc, cdesc) 1142 struct uaudio_softc *sc; 1143 usb_config_descriptor_t *cdesc; 1144 { 1145 usb_interface_descriptor_t *id; 1146 struct usb_audio_control_descriptor *acdp; 1147 usb_descriptor_t *dp, *dps[256]; 1148 char *buf, *ibuf, *ibufend; 1149 int size, offs, aclen, ndps, i; 1150 1151 size = UGETW(cdesc->wTotalLength); 1152 buf = (char *)cdesc; 1153 1154 /* Locate the AudioControl interface descriptor. */ 1155 offs = 0; 1156 id = uaudio_find_iface(buf, size, &offs, USUBCLASS_AUDIOCONTROL); 1157 if (!id) 1158 return (USBD_INVAL); 1159 if (offs + sizeof *acdp > size) 1160 return (USBD_INVAL); 1161 sc->sc_ac_iface = id->bInterfaceNumber; 1162 DPRINTFN(2,("uaudio_identify: AC interface is %d\n", sc->sc_ac_iface)); 1163 1164 /* A class-specific AC interface header should follow. */ 1165 ibuf = buf + offs; 1166 acdp = (struct usb_audio_control_descriptor *)ibuf; 1167 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1168 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1169 return (USBD_INVAL); 1170 aclen = UGETW(acdp->wTotalLength); 1171 if (offs + aclen > size) 1172 return (USBD_INVAL); 1173 1174 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1175 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1176 return (USBD_INVAL); 1177 1178 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1179 DPRINTFN(2,("uaudio_identify: found AC header, vers=%03x, len=%d\n", 1180 sc->sc_audio_rev, aclen)); 1181 1182 sc->sc_nullalt = -1; 1183 1184 /* Scan through all the AC specific descriptors */ 1185 ibufend = ibuf + aclen; 1186 dp = (usb_descriptor_t *)ibuf; 1187 ndps = 0; 1188 memset(dps, 0, sizeof dps); 1189 for (;;) { 1190 ibuf += dp->bLength; 1191 if (ibuf >= ibufend) 1192 break; 1193 dp = (usb_descriptor_t *)ibuf; 1194 if (ibuf + dp->bLength > ibufend) 1195 return (USBD_INVAL); 1196 if (dp->bDescriptorType != UDESC_CS_INTERFACE) { 1197 printf("uaudio_identify: skip desc type=0x%02x\n", 1198 dp->bDescriptorType); 1199 continue; 1200 } 1201 i = ((struct usb_audio_input_terminal *)dp)->bTerminalId; 1202 dps[i] = dp; 1203 if (i > ndps) 1204 ndps = i; 1205 } 1206 ndps++; 1207 1208 for (i = 0; i < ndps; i++) { 1209 dp = dps[i]; 1210 if (dp == 0) 1211 continue; 1212 DPRINTF(("uaudio_identify: subtype=%d\n", 1213 dp->bDescriptorSubtype)); 1214 switch (dp->bDescriptorSubtype) { 1215 case UDESCSUB_AC_HEADER: 1216 printf("uaudio_identify: unexpected AC header\n"); 1217 break; 1218 case UDESCSUB_AC_INPUT: 1219 uaudio_add_input(sc, dp, dps); 1220 break; 1221 case UDESCSUB_AC_OUTPUT: 1222 uaudio_add_output(sc, dp, dps); 1223 break; 1224 case UDESCSUB_AC_MIXER: 1225 uaudio_add_mixer(sc, dp, dps); 1226 break; 1227 case UDESCSUB_AC_SELECTOR: 1228 uaudio_add_selector(sc, dp, dps); 1229 break; 1230 case UDESCSUB_AC_FEATURE: 1231 uaudio_add_feature(sc, dp, dps); 1232 break; 1233 case UDESCSUB_AC_PROCESSING: 1234 uaudio_add_processing(sc, dp, dps); 1235 break; 1236 case UDESCSUB_AC_EXTENSION: 1237 uaudio_add_extension(sc, dp, dps); 1238 break; 1239 default: 1240 printf("uaudio_identify: bad AC desc subtype=0x%02x\n", 1241 dp->bDescriptorSubtype); 1242 break; 1243 } 1244 } 1245 return (USBD_NORMAL_COMPLETION); 1246 } 1247 1248 int 1249 uaudio_query_devinfo(addr, mi) 1250 void *addr; 1251 mixer_devinfo_t *mi; 1252 { 1253 struct uaudio_softc *sc = addr; 1254 struct mixerctl *mc; 1255 int n, nctls; 1256 1257 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index)); 1258 if (sc->sc_dying) 1259 return (EIO); 1260 1261 n = mi->index; 1262 nctls = sc->sc_nctls; 1263 1264 if (n < 0 || n >= nctls) { 1265 switch (n - nctls) { 1266 case UAC_OUTPUT: 1267 mi->type = AUDIO_MIXER_CLASS; 1268 mi->mixer_class = nctls + UAC_OUTPUT; 1269 mi->next = mi->prev = AUDIO_MIXER_LAST; 1270 strcpy(mi->label.name, AudioCoutputs); 1271 return (0); 1272 case UAC_INPUT: 1273 mi->type = AUDIO_MIXER_CLASS; 1274 mi->mixer_class = nctls + UAC_INPUT; 1275 mi->next = mi->prev = AUDIO_MIXER_LAST; 1276 strcpy(mi->label.name, AudioCinputs); 1277 return (0); 1278 case UAC_EQUAL: 1279 mi->type = AUDIO_MIXER_CLASS; 1280 mi->mixer_class = nctls + UAC_EQUAL; 1281 mi->next = mi->prev = AUDIO_MIXER_LAST; 1282 strcpy(mi->label.name, AudioCequalization); 1283 return (0); 1284 default: 1285 return (ENXIO); 1286 } 1287 } 1288 mc = &sc->sc_ctls[n]; 1289 strncpy(mi->label.name, mc->ctlname, MAX_AUDIO_DEV_LEN); 1290 mi->mixer_class = mc->class; 1291 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 1292 switch (mc->type) { 1293 case MIX_ON_OFF: 1294 mi->type = AUDIO_MIXER_ENUM; 1295 mi->un.e.num_mem = 2; 1296 strcpy(mi->un.e.member[0].label.name, AudioNoff); 1297 mi->un.e.member[0].ord = 0; 1298 strcpy(mi->un.e.member[1].label.name, AudioNon); 1299 mi->un.e.member[1].ord = 1; 1300 break; 1301 default: 1302 mi->type = AUDIO_MIXER_VALUE; 1303 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 1304 mi->un.v.num_channels = mc->nchan; 1305 break; 1306 } 1307 return (0); 1308 } 1309 1310 int 1311 uaudio_open(addr, flags) 1312 void *addr; 1313 int flags; 1314 { 1315 struct uaudio_softc *sc = addr; 1316 1317 DPRINTF(("uaudio_open: sc=%p\n", sc)); 1318 if (sc->sc_dying) 1319 return (EIO); 1320 1321 if (sc->sc_chan.terminal < 0) 1322 return (ENXIO); 1323 1324 if ((flags & FREAD) && sc->sc_chan.dir != UE_DIR_IN) 1325 return (EACCES); 1326 if ((flags & FWRITE) && sc->sc_chan.dir != UE_DIR_OUT) 1327 return (EACCES); 1328 1329 sc->sc_chan.intr = 0; 1330 1331 return (0); 1332 } 1333 1334 /* 1335 * Close function is called at splaudio(). 1336 */ 1337 void 1338 uaudio_close(addr) 1339 void *addr; 1340 { 1341 struct uaudio_softc *sc = addr; 1342 1343 DPRINTF(("uaudio_close: sc=%p\n", sc)); 1344 uaudio_halt_in_dma(sc); 1345 uaudio_halt_out_dma(sc); 1346 1347 sc->sc_chan.intr = 0; 1348 } 1349 1350 int 1351 uaudio_drain(addr) 1352 void *addr; 1353 { 1354 struct uaudio_softc *sc = addr; 1355 1356 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 1357 1358 return (0); 1359 } 1360 1361 int 1362 uaudio_halt_out_dma(addr) 1363 void *addr; 1364 { 1365 struct uaudio_softc *sc = addr; 1366 1367 DPRINTF(("uaudio_halt_out_dma: enter\n")); 1368 if (sc->sc_chan.pipe) { 1369 uaudio_chan_close(sc, &sc->sc_chan); 1370 sc->sc_chan.pipe = 0; 1371 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1372 } 1373 return (0); 1374 } 1375 1376 int 1377 uaudio_halt_in_dma(addr) 1378 void *addr; 1379 { 1380 struct uaudio_softc *sc = addr; 1381 1382 DPRINTF(("uaudio_halt_in_dma: enter\n")); 1383 if (sc->sc_chan.pipe) { 1384 uaudio_chan_close(sc, &sc->sc_chan); 1385 sc->sc_chan.pipe = 0; 1386 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1387 } 1388 return (0); 1389 } 1390 1391 int 1392 uaudio_getdev(addr, retp) 1393 void *addr; 1394 struct audio_device *retp; 1395 { 1396 struct uaudio_softc *sc = addr; 1397 1398 DPRINTF(("uaudio_mixer_getdev:\n")); 1399 if (sc->sc_dying) 1400 return (EIO); 1401 1402 *retp = uaudio_device; 1403 return (0); 1404 } 1405 1406 /* 1407 * Make sure the block size is large enough to hold all outstanding transfers. 1408 */ 1409 int 1410 uaudio_round_blocksize(addr, blk) 1411 void *addr; 1412 int blk; 1413 { 1414 struct uaudio_softc *sc = addr; 1415 int bpf; 1416 1417 bpf = sc->sc_chan.bytes_per_frame + sc->sc_chan.sample_size; 1418 /* XXX */ 1419 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 1420 1421 bpf = (bpf + 15) &~ 15; 1422 1423 if (blk < bpf) 1424 blk = bpf; 1425 1426 #ifdef DIAGNOSTIC 1427 if (blk <= 0) { 1428 printf("uaudio_round_blocksize: blk=%d\n", blk); 1429 blk = 512; 1430 } 1431 #endif 1432 1433 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk)); 1434 return (blk); 1435 } 1436 1437 int 1438 uaudio_get_props(addr) 1439 void *addr; 1440 { 1441 struct uaudio_softc *sc = addr; 1442 1443 return (sc->sc_props); 1444 } 1445 1446 int 1447 uaudio_get(sc, which, type, wValue, wIndex, len) 1448 struct uaudio_softc *sc; 1449 int type, which, wValue, wIndex, len; 1450 { 1451 usb_device_request_t req; 1452 u_int8_t data[4]; 1453 usbd_status err; 1454 int val; 1455 1456 if (wValue == -1) 1457 return (0); 1458 1459 req.bmRequestType = type; 1460 req.bRequest = which; 1461 USETW(req.wValue, wValue); 1462 USETW(req.wIndex, wIndex); 1463 USETW(req.wLength, len); 1464 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x " 1465 "wIndex=0x%04x len=%d\n", 1466 type, which, wValue, wIndex, len)); 1467 err = usbd_do_request(sc->sc_udev, &req, &data); 1468 if (err) { 1469 DPRINTF(("uaudio_get: err=%d\n", err)); 1470 return (-1); 1471 } 1472 switch (len) { 1473 case 1: 1474 val = data[0]; 1475 break; 1476 case 2: 1477 val = data[0] | (data[1] << 8); 1478 break; 1479 default: 1480 DPRINTF(("uaudio_get: bad length=%d\n", len)); 1481 return (-1); 1482 } 1483 DPRINTFN(2,("uaudio_get: val=%d\n", val)); 1484 return (val); 1485 } 1486 1487 void 1488 uaudio_set(sc, which, type, wValue, wIndex, len, val) 1489 struct uaudio_softc *sc; 1490 int type, which, wValue, wIndex, len, val; 1491 { 1492 usb_device_request_t req; 1493 u_int8_t data[4]; 1494 usbd_status err; 1495 1496 if (wValue == -1) 1497 return; 1498 1499 req.bmRequestType = type; 1500 req.bRequest = which; 1501 USETW(req.wValue, wValue); 1502 USETW(req.wIndex, wIndex); 1503 USETW(req.wLength, len); 1504 switch (len) { 1505 case 1: 1506 data[0] = val; 1507 break; 1508 case 2: 1509 data[0] = val; 1510 data[1] = val >> 8; 1511 break; 1512 default: 1513 return; 1514 } 1515 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x " 1516 "wIndex=0x%04x len=%d, val=%d\n", 1517 type, which, wValue, wIndex, len, val & 0xffff)); 1518 err = usbd_do_request(sc->sc_udev, &req, &data); 1519 #ifdef UAUDIO_DEBUG 1520 if (err) 1521 DPRINTF(("uaudio_set: err=%d\n", err)); 1522 #endif 1523 } 1524 1525 int 1526 uaudio_signext(type, val) 1527 int type, val; 1528 { 1529 if (!MIX_UNSIGNED(type)) { 1530 if (MIX_SIZE(type) == 2) 1531 val = (int16_t)val; 1532 else 1533 val = (int8_t)val; 1534 } 1535 return (val); 1536 } 1537 1538 int 1539 uaudio_value2bsd(mc, val) 1540 struct mixerctl *mc; 1541 int val; 1542 { 1543 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ", 1544 mc->type, val, mc->minval, mc->maxval)); 1545 if (mc->type == MIX_ON_OFF) 1546 val = val != 0; 1547 else 1548 val = (uaudio_signext(mc->type, val) - mc->minval) * 256 1549 / (mc->maxval - mc->minval); 1550 DPRINTFN(5, ("val'=%d\n", val)); 1551 return (val); 1552 } 1553 1554 int 1555 uaudio_bsd2value(mc, val) 1556 struct mixerctl *mc; 1557 int val; 1558 { 1559 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ", 1560 mc->type, val, mc->minval, mc->maxval)); 1561 if (mc->type == MIX_ON_OFF) 1562 val = val != 0; 1563 else 1564 val = val * (mc->maxval - mc->minval) / 256 + mc->minval; 1565 DPRINTFN(5, ("val'=%d\n", val)); 1566 return (val); 1567 } 1568 1569 int 1570 uaudio_ctl_get(sc, which, mc, chan) 1571 struct uaudio_softc *sc; 1572 int which; 1573 struct mixerctl *mc; 1574 int chan; 1575 { 1576 int val; 1577 1578 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan)); 1579 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 1580 mc->wIndex, MIX_SIZE(mc->type)); 1581 return (uaudio_value2bsd(mc, val)); 1582 } 1583 1584 void 1585 uaudio_ctl_set(sc, which, mc, chan, val) 1586 struct uaudio_softc *sc; 1587 int which; 1588 struct mixerctl *mc; 1589 int chan; 1590 int val; 1591 { 1592 val = uaudio_bsd2value(mc, val); 1593 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 1594 mc->wIndex, MIX_SIZE(mc->type), val); 1595 } 1596 1597 int 1598 uaudio_mixer_get_port(addr, cp) 1599 void *addr; 1600 mixer_ctrl_t *cp; 1601 { 1602 struct uaudio_softc *sc = addr; 1603 struct mixerctl *mc; 1604 int i, n, vals[MIX_MAX_CHAN], val; 1605 1606 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev)); 1607 1608 if (sc->sc_dying) 1609 return (EIO); 1610 1611 n = cp->dev; 1612 if (n < 0 || n >= sc->sc_nctls) 1613 return (ENXIO); 1614 mc = &sc->sc_ctls[n]; 1615 1616 if (mc->type == MIX_ON_OFF) { 1617 if (cp->type != AUDIO_MIXER_ENUM) 1618 return (EINVAL); 1619 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 1620 } else { 1621 if (cp->type != AUDIO_MIXER_VALUE) 1622 return (EINVAL); 1623 if (cp->un.value.num_channels != 1 && 1624 cp->un.value.num_channels != mc->nchan) 1625 return (EINVAL); 1626 for (i = 0; i < mc->nchan; i++) 1627 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 1628 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 1629 for (val = 0, i = 0; i < mc->nchan; i++) 1630 val += vals[i]; 1631 vals[0] = val / mc->nchan; 1632 } 1633 for (i = 0; i < cp->un.value.num_channels; i++) 1634 cp->un.value.level[i] = vals[i]; 1635 } 1636 1637 return (0); 1638 } 1639 1640 int 1641 uaudio_mixer_set_port(addr, cp) 1642 void *addr; 1643 mixer_ctrl_t *cp; 1644 { 1645 struct uaudio_softc *sc = addr; 1646 struct mixerctl *mc; 1647 int i, n, vals[MIX_MAX_CHAN]; 1648 1649 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev)); 1650 if (sc->sc_dying) 1651 return (EIO); 1652 1653 n = cp->dev; 1654 if (n < 0 || n >= sc->sc_nctls) 1655 return (ENXIO); 1656 mc = &sc->sc_ctls[n]; 1657 1658 if (mc->type == MIX_ON_OFF) { 1659 if (cp->type != AUDIO_MIXER_ENUM) 1660 return (EINVAL); 1661 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 1662 } else { 1663 if (cp->type != AUDIO_MIXER_VALUE) 1664 return (EINVAL); 1665 if (cp->un.value.num_channels == 1) 1666 for (i = 0; i < mc->nchan; i++) 1667 vals[i] = cp->un.value.level[0]; 1668 else if (cp->un.value.num_channels == mc->nchan) 1669 for (i = 0; i < mc->nchan; i++) 1670 vals[i] = cp->un.value.level[i]; 1671 else 1672 return (EINVAL); 1673 for (i = 0; i < mc->nchan; i++) 1674 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 1675 } 1676 return (0); 1677 } 1678 1679 int 1680 uaudio_trigger_input(addr, start, end, blksize, intr, arg, param) 1681 void *addr; 1682 void *start, *end; 1683 int blksize; 1684 void (*intr) __P((void *)); 1685 void *arg; 1686 struct audio_params *param; 1687 { 1688 struct uaudio_softc *sc = addr; 1689 struct chan *ch = &sc->sc_chan; 1690 usbd_status err; 1691 int i, s; 1692 1693 if (sc->sc_dying) 1694 return (EIO); 1695 1696 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p " 1697 "blksize=%d\n", sc, start, end, blksize)); 1698 1699 uaudio_chan_set_param(ch, param, start, end, blksize); 1700 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d " 1701 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1702 ch->fraction)); 1703 1704 err = uaudio_chan_alloc_buffers(sc, ch); 1705 if (err) 1706 return (EIO); 1707 1708 err = uaudio_chan_open(sc, ch); 1709 if (err) { 1710 uaudio_chan_free_buffers(sc, ch); 1711 return (EIO); 1712 } 1713 1714 sc->sc_chan.intr = intr; 1715 sc->sc_chan.arg = arg; 1716 1717 s = splusb(); 1718 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1719 uaudio_chan_rtransfer(ch); 1720 splx(s); 1721 1722 return (0); 1723 } 1724 1725 int 1726 uaudio_trigger_output(addr, start, end, blksize, intr, arg, param) 1727 void *addr; 1728 void *start, *end; 1729 int blksize; 1730 void (*intr) __P((void *)); 1731 void *arg; 1732 struct audio_params *param; 1733 { 1734 struct uaudio_softc *sc = addr; 1735 struct chan *ch = &sc->sc_chan; 1736 usbd_status err; 1737 int i, s; 1738 1739 if (sc->sc_dying) 1740 return (EIO); 1741 1742 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p " 1743 "blksize=%d\n", sc, start, end, blksize)); 1744 1745 uaudio_chan_set_param(ch, param, start, end, blksize); 1746 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d " 1747 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1748 ch->fraction)); 1749 1750 err = uaudio_chan_alloc_buffers(sc, ch); 1751 if (err) 1752 return (EIO); 1753 1754 err = uaudio_chan_open(sc, ch); 1755 if (err) { 1756 uaudio_chan_free_buffers(sc, ch); 1757 return (EIO); 1758 } 1759 1760 sc->sc_chan.intr = intr; 1761 sc->sc_chan.arg = arg; 1762 1763 s = splusb(); 1764 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1765 uaudio_chan_ptransfer(ch); 1766 splx(s); 1767 1768 return (0); 1769 } 1770 1771 /* Set up a pipe for a channel. */ 1772 usbd_status 1773 uaudio_chan_open(sc, ch) 1774 struct uaudio_softc *sc; 1775 struct chan *ch; 1776 { 1777 struct as_info *as = &sc->sc_alts[sc->sc_curaltidx]; 1778 int endpt = as->edesc->bEndpointAddress; 1779 usbd_status err; 1780 1781 DPRINTF(("uaudio_open_chan: endpt=0x%02x, speed=%d, alt=%d\n", 1782 endpt, ch->sample_rate, as->alt)); 1783 1784 /* Set alternate interface corresponding to the mode. */ 1785 err = usbd_set_interface(sc->sc_as_ifaceh, as->alt); 1786 if (err) 1787 return (err); 1788 1789 /* Some devices do not support this request, so ignore errors. */ 1790 #ifdef UAUDIO_DEBUG 1791 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 1792 if (err) 1793 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n", 1794 usbd_errstr(err))); 1795 #else 1796 (void)uaudio_set_speed(sc, endpt, ch->sample_rate); 1797 #endif 1798 1799 DPRINTF(("uaudio_open_chan: create pipe to 0x%02x\n", endpt)); 1800 err = usbd_open_pipe(sc->sc_as_ifaceh, endpt, 0, &ch->pipe); 1801 return (err); 1802 } 1803 1804 void 1805 uaudio_chan_close(sc, ch) 1806 struct uaudio_softc *sc; 1807 struct chan *ch; 1808 { 1809 if (sc->sc_nullalt >= 0) { 1810 DPRINTF(("uaudio_close_chan: set null alt=%d\n", 1811 sc->sc_nullalt)); 1812 usbd_set_interface(sc->sc_as_ifaceh, sc->sc_nullalt); 1813 } 1814 usbd_abort_pipe(ch->pipe); 1815 usbd_close_pipe(ch->pipe); 1816 } 1817 1818 usbd_status 1819 uaudio_chan_alloc_buffers(sc, ch) 1820 struct uaudio_softc *sc; 1821 struct chan *ch; 1822 { 1823 usbd_xfer_handle xfer; 1824 void *buf; 1825 int i, size; 1826 1827 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 1828 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 1829 xfer = usbd_alloc_xfer(sc->sc_udev); 1830 if (xfer == 0) 1831 goto bad; 1832 ch->chanbufs[i].xfer = xfer; 1833 buf = usbd_alloc_buffer(xfer, size); 1834 if (buf == 0) { 1835 i++; 1836 goto bad; 1837 } 1838 ch->chanbufs[i].buffer = buf; 1839 ch->chanbufs[i].chan = ch; 1840 } 1841 1842 return (USBD_NORMAL_COMPLETION); 1843 1844 bad: 1845 while (--i >= 0) 1846 /* implicit buffer free */ 1847 usbd_free_xfer(ch->chanbufs[i].xfer); 1848 return (USBD_NOMEM); 1849 } 1850 1851 void 1852 uaudio_chan_free_buffers(sc, ch) 1853 struct uaudio_softc *sc; 1854 struct chan *ch; 1855 { 1856 int i; 1857 1858 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1859 usbd_free_xfer(ch->chanbufs[i].xfer); 1860 } 1861 1862 /* Called at splusb() */ 1863 void 1864 uaudio_chan_ptransfer(ch) 1865 struct chan *ch; 1866 { 1867 struct chanbuf *cb; 1868 int i, n, size, residue, total; 1869 1870 if (ch->sc->sc_dying) 1871 return; 1872 1873 /* Pick the next channel buffer. */ 1874 cb = &ch->chanbufs[ch->curchanbuf]; 1875 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1876 ch->curchanbuf = 0; 1877 1878 /* Compute the size of each frame in the next transfer. */ 1879 residue = ch->residue; 1880 total = 0; 1881 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1882 size = ch->bytes_per_frame; 1883 residue += ch->fraction; 1884 if (residue >= USB_FRAMES_PER_SECOND) { 1885 size += ch->sample_size; 1886 residue -= USB_FRAMES_PER_SECOND; 1887 } 1888 cb->sizes[i] = size; 1889 total += size; 1890 } 1891 ch->residue = residue; 1892 cb->size = total; 1893 1894 /* 1895 * Transfer data from upper layer buffer to channel buffer, taking 1896 * care of wrapping the upper layer buffer. 1897 */ 1898 n = min(total, ch->end - ch->cur); 1899 memcpy(cb->buffer, ch->cur, n); 1900 ch->cur += n; 1901 if (ch->cur >= ch->end) 1902 ch->cur = ch->start; 1903 if (total > n) { 1904 total -= n; 1905 memcpy(cb->buffer + n, ch->cur, total); 1906 ch->cur += total; 1907 } 1908 1909 #ifdef UAUDIO_DEBUG 1910 if (uaudiodebug > 8) { 1911 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n", 1912 cb->buffer, ch->residue)); 1913 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1914 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 1915 } 1916 } 1917 #endif 1918 1919 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer)); 1920 /* Fill the request */ 1921 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 1922 UAUDIO_NFRAMES, USBD_NO_COPY, 1923 uaudio_chan_pintr); 1924 1925 (void)usbd_transfer(cb->xfer); 1926 } 1927 1928 void 1929 uaudio_chan_pintr(xfer, priv, status) 1930 usbd_xfer_handle xfer; 1931 usbd_private_handle priv; 1932 usbd_status status; 1933 { 1934 struct chanbuf *cb = priv; 1935 struct chan *ch = cb->chan; 1936 u_int32_t count; 1937 int s; 1938 1939 /* Return if we are aborting. */ 1940 if (status == USBD_CANCELLED) 1941 return; 1942 1943 usbd_get_xfer_status(xfer, 0, 0, &count, 0); 1944 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n", 1945 count, ch->transferred)); 1946 #ifdef DIAGNOSTIC 1947 if (count != cb->size) { 1948 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 1949 count, cb->size); 1950 } 1951 #endif 1952 1953 ch->transferred += cb->size; 1954 s = splaudio(); 1955 /* Call back to upper layer */ 1956 while (ch->transferred >= ch->blksize) { 1957 ch->transferred -= ch->blksize; 1958 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 1959 ch->intr, ch->arg)); 1960 ch->intr(ch->arg); 1961 } 1962 splx(s); 1963 1964 /* start next transfer */ 1965 uaudio_chan_ptransfer(ch); 1966 } 1967 1968 /* Called at splusb() */ 1969 void 1970 uaudio_chan_rtransfer(ch) 1971 struct chan *ch; 1972 { 1973 struct chanbuf *cb; 1974 int i, size, residue, total; 1975 1976 if (ch->sc->sc_dying) 1977 return; 1978 1979 /* Pick the next channel buffer. */ 1980 cb = &ch->chanbufs[ch->curchanbuf]; 1981 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1982 ch->curchanbuf = 0; 1983 1984 /* Compute the size of each frame in the next transfer. */ 1985 residue = ch->residue; 1986 total = 0; 1987 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1988 size = ch->bytes_per_frame; 1989 residue += ch->fraction; 1990 if (residue >= USB_FRAMES_PER_SECOND) { 1991 size += ch->sample_size; 1992 residue -= USB_FRAMES_PER_SECOND; 1993 } 1994 cb->sizes[i] = size; 1995 total += size; 1996 } 1997 ch->residue = residue; 1998 cb->size = total; 1999 2000 #ifdef UAUDIO_DEBUG 2001 if (uaudiodebug > 8) { 2002 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n", 2003 cb->buffer, ch->residue)); 2004 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2005 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2006 } 2007 } 2008 #endif 2009 2010 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer)); 2011 /* Fill the request */ 2012 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2013 UAUDIO_NFRAMES, USBD_NO_COPY, 2014 uaudio_chan_rintr); 2015 2016 (void)usbd_transfer(cb->xfer); 2017 } 2018 2019 void 2020 uaudio_chan_rintr(xfer, priv, status) 2021 usbd_xfer_handle xfer; 2022 usbd_private_handle priv; 2023 usbd_status status; 2024 { 2025 struct chanbuf *cb = priv; 2026 struct chan *ch = cb->chan; 2027 u_int32_t count; 2028 int s, n; 2029 2030 /* Return if we are aborting. */ 2031 if (status == USBD_CANCELLED) 2032 return; 2033 2034 usbd_get_xfer_status(xfer, 0, 0, &count, 0); 2035 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n", 2036 count, ch->transferred)); 2037 #ifdef DIAGNOSTIC 2038 if (count != cb->size) { 2039 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 2040 count, cb->size); 2041 } 2042 #endif 2043 2044 /* 2045 * Transfer data from channel buffer to upper layer buffer, taking 2046 * care of wrapping the upper layer buffer. 2047 */ 2048 n = min(count, ch->end - ch->cur); 2049 memcpy(ch->cur, cb->buffer, n); 2050 ch->cur += n; 2051 if (ch->cur >= ch->end) 2052 ch->cur = ch->start; 2053 if (count > n) { 2054 memcpy(ch->cur, cb->buffer + n, count - n); 2055 ch->cur += count - n; 2056 } 2057 2058 /* Call back to upper layer */ 2059 ch->transferred += cb->size; 2060 s = splaudio(); 2061 while (ch->transferred >= ch->blksize) { 2062 ch->transferred -= ch->blksize; 2063 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 2064 ch->intr, ch->arg)); 2065 ch->intr(ch->arg); 2066 } 2067 splx(s); 2068 2069 /* start next transfer */ 2070 uaudio_chan_rtransfer(ch); 2071 } 2072 2073 void 2074 uaudio_chan_set_param(ch, param, start, end, blksize) 2075 struct chan *ch; 2076 struct audio_params *param; 2077 u_char *start, *end; 2078 int blksize; 2079 { 2080 int samples_per_frame, sample_size; 2081 2082 sample_size = param->precision * param->channels / 8; 2083 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND; 2084 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND; 2085 ch->sample_size = sample_size; 2086 ch->sample_rate = param->sample_rate; 2087 ch->bytes_per_frame = samples_per_frame * sample_size; 2088 ch->residue = 0; 2089 2090 ch->start = start; 2091 ch->end = end; 2092 ch->cur = start; 2093 ch->blksize = blksize; 2094 ch->transferred = 0; 2095 2096 ch->curchanbuf = 0; 2097 } 2098 2099 int 2100 uaudio_set_params(addr, setmode, usemode, p, r) 2101 void *addr; 2102 int setmode, usemode; 2103 struct audio_params *p, *r; 2104 { 2105 struct uaudio_softc *sc = addr; 2106 int flags = sc->sc_altflags; 2107 int pfactor, rfactor; 2108 int enc, i, j; 2109 void (*pswcode) __P((void *, u_char *buf, int cnt)); 2110 void (*rswcode) __P((void *, u_char *buf, int cnt)); 2111 2112 if (sc->sc_dying) 2113 return (EIO); 2114 2115 if (sc->sc_chan.pipe != NULL) 2116 return (EBUSY); 2117 2118 pswcode = rswcode = 0; 2119 pfactor = rfactor = 1; 2120 enc = p->encoding; 2121 switch (p->encoding) { 2122 case AUDIO_ENCODING_SLINEAR_BE: 2123 if (p->precision == 16) { 2124 rswcode = pswcode = swap_bytes; 2125 enc = AUDIO_ENCODING_SLINEAR_LE; 2126 } else if (p->precision == 8 && !(flags & HAS_8)) { 2127 pswcode = rswcode = change_sign8; 2128 enc = AUDIO_ENCODING_ULINEAR_LE; 2129 } 2130 break; 2131 case AUDIO_ENCODING_SLINEAR_LE: 2132 if (p->precision == 8 && !(flags & HAS_8)) { 2133 pswcode = rswcode = change_sign8; 2134 enc = AUDIO_ENCODING_ULINEAR_LE; 2135 } 2136 break; 2137 case AUDIO_ENCODING_ULINEAR_BE: 2138 if (p->precision == 16) { 2139 pswcode = swap_bytes_change_sign16_le; 2140 rswcode = change_sign16_swap_bytes_le; 2141 enc = AUDIO_ENCODING_SLINEAR_LE; 2142 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2143 pswcode = rswcode = change_sign8; 2144 enc = AUDIO_ENCODING_SLINEAR_LE; 2145 } 2146 break; 2147 case AUDIO_ENCODING_ULINEAR_LE: 2148 if (p->precision == 16) { 2149 pswcode = rswcode = change_sign16_le; 2150 enc = AUDIO_ENCODING_SLINEAR_LE; 2151 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2152 pswcode = rswcode = change_sign8; 2153 enc = AUDIO_ENCODING_SLINEAR_LE; 2154 } 2155 break; 2156 case AUDIO_ENCODING_ULAW: 2157 if (!(flags & HAS_MULAW)) { 2158 if (flags & HAS_8U) { 2159 pswcode = mulaw_to_ulinear8; 2160 rswcode = ulinear8_to_mulaw; 2161 enc = AUDIO_ENCODING_ULINEAR_LE; 2162 } else if (flags & HAS_8) { 2163 pswcode = mulaw_to_slinear8; 2164 rswcode = slinear8_to_mulaw; 2165 enc = AUDIO_ENCODING_SLINEAR_LE; 2166 #if 0 2167 } else if (flags & HAS_16) { 2168 pswcode = mulaw_to_slinear16_le; 2169 pfactor = 2; 2170 /* XXX recording not handled */ 2171 enc = AUDIO_ENCODING_SLINEAR_LE; 2172 #endif 2173 } else 2174 return (EINVAL); 2175 } 2176 break; 2177 case AUDIO_ENCODING_ALAW: 2178 if (!(flags & HAS_ALAW)) { 2179 if (flags & HAS_8U) { 2180 pswcode = alaw_to_ulinear8; 2181 rswcode = ulinear8_to_alaw; 2182 enc = AUDIO_ENCODING_ULINEAR_LE; 2183 } else if (flags & HAS_8) { 2184 pswcode = alaw_to_slinear8; 2185 rswcode = slinear8_to_alaw; 2186 enc = AUDIO_ENCODING_SLINEAR_LE; 2187 #if 0 2188 } else if (flags & HAS_16) { 2189 pswcode = alaw_to_slinear16_le; 2190 pfactor = 2; 2191 /* XXX recording not handled */ 2192 enc = AUDIO_ENCODING_SLINEAR_LE; 2193 #endif 2194 } else 2195 return (EINVAL); 2196 } 2197 break; 2198 default: 2199 return (EINVAL); 2200 } 2201 /* XXX do some other conversions... */ 2202 2203 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n", 2204 p->channels, p->precision, enc, p->sample_rate)); 2205 2206 for (i = 0; i < sc->sc_nalts; i++) { 2207 struct usb_audio_streaming_type1_descriptor *a1d = 2208 sc->sc_alts[i].asf1desc; 2209 if (p->channels == a1d->bNrChannels && 2210 p->precision ==a1d->bBitResolution && 2211 enc == sc->sc_alts[i].encoding) { 2212 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2213 if (UA_SAMP_LO(a1d) < p->sample_rate && 2214 p->sample_rate < UA_SAMP_HI(a1d)) 2215 goto found; 2216 } else { 2217 for (j = 0; j < a1d->bSamFreqType; j++) { 2218 /* XXX allow for some slack */ 2219 if (UA_GETSAMP(a1d, j) == 2220 p->sample_rate) 2221 goto found; 2222 } 2223 } 2224 } 2225 } 2226 return (EINVAL); 2227 2228 found: 2229 p->sw_code = pswcode; 2230 r->sw_code = rswcode; 2231 p->factor = pfactor; 2232 r->factor = rfactor; 2233 sc->sc_curaltidx = i; 2234 2235 DPRINTF(("uaudio_set_params: use altidx=%d, altno=%d\n", 2236 sc->sc_curaltidx, 2237 sc->sc_alts[sc->sc_curaltidx].idesc->bAlternateSetting)); 2238 2239 return (0); 2240 } 2241 2242 usbd_status 2243 uaudio_set_speed(sc, endpt, speed) 2244 struct uaudio_softc *sc; 2245 int endpt; 2246 u_int speed; 2247 { 2248 usb_device_request_t req; 2249 u_int8_t data[3]; 2250 2251 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed)); 2252 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 2253 req.bRequest = SET_CUR; 2254 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 2255 USETW(req.wIndex, endpt); 2256 USETW(req.wLength, 3); 2257 data[0] = speed; 2258 data[1] = speed >> 8; 2259 data[2] = speed >> 16; 2260 2261 return (usbd_do_request(sc->sc_udev, &req, &data)); 2262 } 2263 2264
Indexes created Wed Sep 24 05:09:52 GMT 2025