uaudio.c revision 1.32
1 /* $NetBSD: uaudio.c,v 1.32 2000/12/29 01:14:15 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 (at) 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/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 6 /* 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)(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 char nofrac; /* don't do sample rate adjustment */ 132 133 int curchanbuf; 134 struct chanbuf { 135 struct chan *chan; 136 usbd_xfer_handle xfer; 137 u_char *buffer; 138 u_int16_t sizes[UAUDIO_NFRAMES]; 139 u_int16_t size; 140 } chanbufs[UAUDIO_NCHANBUFS]; 141 142 struct uaudio_softc *sc; /* our softc */ 143 }; 144 145 struct uaudio_softc { 146 USBBASEDEVICE sc_dev; /* base device */ 147 usbd_device_handle sc_udev; /* USB device */ 148 149 int sc_ac_iface; /* Audio Control interface */ 150 int sc_as_iface; /* Audio Streaming interface */ 151 usbd_interface_handle sc_ac_ifaceh; 152 usbd_interface_handle sc_as_ifaceh; 153 154 struct chan sc_chan; 155 156 int sc_curaltidx; 157 158 int sc_nullalt; 159 160 int sc_audio_rev; 161 162 struct as_info *sc_alts; 163 int sc_nalts; 164 int sc_props; 165 166 int sc_altflags; 167 #define HAS_8 0x01 168 #define HAS_16 0x02 169 #define HAS_8U 0x04 170 #define HAS_ALAW 0x08 171 #define HAS_MULAW 0x10 172 173 struct mixerctl *sc_ctls; 174 int sc_nctls; 175 176 device_ptr_t sc_audiodev; 177 char sc_dying; 178 }; 179 180 #define UAC_OUTPUT 0 181 #define UAC_INPUT 1 182 #define UAC_EQUAL 2 183 184 Static usbd_status uaudio_identify_ac(struct uaudio_softc *sc, 185 usb_config_descriptor_t *cdesc); 186 Static usbd_status uaudio_identify_as(struct uaudio_softc *sc, 187 usb_config_descriptor_t *cdesc); 188 Static usbd_status uaudio_process_as(struct uaudio_softc *sc, 189 char *buf, int *offsp, int size, 190 usb_interface_descriptor_t *id); 191 192 Static void uaudio_add_alt(struct uaudio_softc *sc, 193 struct as_info *ai); 194 195 Static usb_interface_descriptor_t *uaudio_find_iface(char *buf, 196 int size, int *offsp, int subtype); 197 198 Static void uaudio_mixer_add_ctl(struct uaudio_softc *sc, 199 struct mixerctl *mp); 200 Static char *uaudio_id_name(struct uaudio_softc *sc, 201 usb_descriptor_t **dps, int id); 202 Static struct usb_audio_cluster uaudio_get_cluster(int id, 203 usb_descriptor_t **dps); 204 Static void uaudio_add_input(struct uaudio_softc *sc, 205 usb_descriptor_t *v, usb_descriptor_t **dps); 206 Static void uaudio_add_output(struct uaudio_softc *sc, 207 usb_descriptor_t *v, usb_descriptor_t **dps); 208 Static void uaudio_add_mixer(struct uaudio_softc *sc, 209 usb_descriptor_t *v, usb_descriptor_t **dps); 210 Static void uaudio_add_selector(struct uaudio_softc *sc, 211 usb_descriptor_t *v, usb_descriptor_t **dps); 212 Static void uaudio_add_feature(struct uaudio_softc *sc, 213 usb_descriptor_t *v, usb_descriptor_t **dps); 214 Static void uaudio_add_processing_updown(struct uaudio_softc *sc, 215 usb_descriptor_t *v, usb_descriptor_t **dps); 216 Static void uaudio_add_processing(struct uaudio_softc *sc, 217 usb_descriptor_t *v, usb_descriptor_t **dps); 218 Static void uaudio_add_extension(struct uaudio_softc *sc, 219 usb_descriptor_t *v, usb_descriptor_t **dps); 220 Static usbd_status uaudio_identify(struct uaudio_softc *sc, 221 usb_config_descriptor_t *cdesc); 222 223 Static int uaudio_signext(int type, int val); 224 Static int uaudio_value2bsd(struct mixerctl *mc, int val); 225 Static int uaudio_bsd2value(struct mixerctl *mc, int val); 226 Static int uaudio_get(struct uaudio_softc *sc, int type, 227 int which, int wValue, int wIndex, int len); 228 Static int uaudio_ctl_get(struct uaudio_softc *sc, int which, 229 struct mixerctl *mc, int chan); 230 Static void uaudio_set(struct uaudio_softc *sc, int type, 231 int which, int wValue, int wIndex, int l, int v); 232 Static void uaudio_ctl_set(struct uaudio_softc *sc, int which, 233 struct mixerctl *mc, int chan, int val); 234 235 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int); 236 237 Static usbd_status uaudio_chan_open(struct uaudio_softc *sc, 238 struct chan *ch); 239 Static void uaudio_chan_close(struct uaudio_softc *sc, 240 struct chan *ch); 241 Static usbd_status uaudio_chan_alloc_buffers(struct uaudio_softc *, 242 struct chan *); 243 Static void uaudio_chan_free_buffers(struct uaudio_softc *, 244 struct chan *); 245 Static void uaudio_chan_set_param(struct chan *ch, 246 struct audio_params *param, u_char *start, 247 u_char *end, int blksize); 248 Static void uaudio_chan_ptransfer(struct chan *ch); 249 Static void uaudio_chan_pintr(usbd_xfer_handle xfer, 250 usbd_private_handle priv, usbd_status status); 251 252 Static void uaudio_chan_rtransfer(struct chan *ch); 253 Static void uaudio_chan_rintr(usbd_xfer_handle xfer, 254 usbd_private_handle priv, usbd_status status); 255 256 Static int uaudio_open(void *, int); 257 Static void uaudio_close(void *); 258 Static int uaudio_drain(void *); 259 Static int uaudio_query_encoding(void *, struct audio_encoding *); 260 Static int uaudio_set_params(void *, int, int, 261 struct audio_params *, struct audio_params *); 262 Static int uaudio_round_blocksize(void *, int); 263 Static int uaudio_trigger_output(void *, void *, void *, 264 int, void (*)(void *), void *, 265 struct audio_params *); 266 Static int uaudio_trigger_input (void *, void *, void *, 267 int, void (*)(void *), void *, 268 struct audio_params *); 269 Static int uaudio_halt_in_dma(void *); 270 Static int uaudio_halt_out_dma(void *); 271 Static int uaudio_getdev(void *, struct audio_device *); 272 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 273 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 274 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 275 Static int uaudio_get_props(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 != UICLASS_AUDIO || 326 id->bInterfaceSubClass != UISUBCLASS_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 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 387 sc->sc_chan.nofrac = 1; 388 389 DPRINTF(("uaudio_attach: doing audio_attach_mi\n")); 390 #if defined(__OpenBSD__) 391 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 392 #else 393 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 394 #endif 395 396 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 397 USBDEV(sc->sc_dev)); 398 399 USB_ATTACH_SUCCESS_RETURN; 400 } 401 402 int 403 uaudio_activate(device_ptr_t self, enum devact act) 404 { 405 struct uaudio_softc *sc = (struct uaudio_softc *)self; 406 int rv = 0; 407 408 switch (act) { 409 case DVACT_ACTIVATE: 410 return (EOPNOTSUPP); 411 break; 412 413 case DVACT_DEACTIVATE: 414 if (sc->sc_audiodev) 415 rv = config_deactivate(sc->sc_audiodev); 416 sc->sc_dying = 1; 417 break; 418 } 419 return (rv); 420 } 421 422 int 423 uaudio_detach(device_ptr_t self, int flags) 424 { 425 struct uaudio_softc *sc = (struct uaudio_softc *)self; 426 int rv = 0; 427 428 /* Wait for outstanding requests to complete. */ 429 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 430 431 if (sc->sc_audiodev != NULL) 432 rv = config_detach(sc->sc_audiodev, flags); 433 434 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 435 USBDEV(sc->sc_dev)); 436 437 return (rv); 438 } 439 440 int 441 uaudio_query_encoding(void *addr, struct audio_encoding *fp) 442 { 443 struct uaudio_softc *sc = addr; 444 int flags = sc->sc_altflags; 445 int idx; 446 447 if (sc->sc_dying) 448 return (EIO); 449 450 if (sc->sc_nalts == 0 || flags == 0) 451 return (ENXIO); 452 453 idx = fp->index; 454 switch (idx) { 455 case 0: 456 strcpy(fp->name, AudioEulinear); 457 fp->encoding = AUDIO_ENCODING_ULINEAR; 458 fp->precision = 8; 459 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 460 return (0); 461 case 1: 462 strcpy(fp->name, AudioEmulaw); 463 fp->encoding = AUDIO_ENCODING_ULAW; 464 fp->precision = 8; 465 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 466 return (0); 467 case 2: 468 strcpy(fp->name, AudioEalaw); 469 fp->encoding = AUDIO_ENCODING_ALAW; 470 fp->precision = 8; 471 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 472 return (0); 473 case 3: 474 strcpy(fp->name, AudioEslinear); 475 fp->encoding = AUDIO_ENCODING_SLINEAR; 476 fp->precision = 8; 477 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 478 return (0); 479 case 4: 480 strcpy(fp->name, AudioEslinear_le); 481 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 482 fp->precision = 16; 483 fp->flags = 0; 484 return (0); 485 case 5: 486 strcpy(fp->name, AudioEulinear_le); 487 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 488 fp->precision = 16; 489 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 490 return (0); 491 case 6: 492 strcpy(fp->name, AudioEslinear_be); 493 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 494 fp->precision = 16; 495 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 496 return (0); 497 case 7: 498 strcpy(fp->name, AudioEulinear_be); 499 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 500 fp->precision = 16; 501 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 502 return (0); 503 default: 504 return (EINVAL); 505 } 506 } 507 508 usb_interface_descriptor_t * 509 uaudio_find_iface(char *buf, int size, int *offsp, int subtype) 510 { 511 usb_interface_descriptor_t *d; 512 513 while (*offsp < size) { 514 d = (void *)(buf + *offsp); 515 *offsp += d->bLength; 516 if (d->bDescriptorType == UDESC_INTERFACE && 517 d->bInterfaceClass == UICLASS_AUDIO && 518 d->bInterfaceSubClass == subtype) 519 return (d); 520 } 521 return (0); 522 } 523 524 void 525 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 526 { 527 if (sc->sc_nctls == 0) 528 sc->sc_ctls = malloc(sizeof *mc, M_USBDEV, M_NOWAIT); 529 else 530 sc->sc_ctls = realloc(sc->sc_ctls, 531 (sc->sc_nctls+1) * sizeof *mc, 532 M_USBDEV, M_NOWAIT); 533 if (sc->sc_ctls == NULL) { 534 printf("uaudio_mixer_add_ctl: no memory\n"); 535 return; 536 } 537 538 if (mc->type != MIX_ON_OFF) { 539 /* Determine min and max values. */ 540 mc->minval = uaudio_signext(mc->type, 541 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 542 mc->wValue[0], mc->wIndex, 543 MIX_SIZE(mc->type))); 544 mc->maxval = 1 + uaudio_signext(mc->type, 545 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 546 mc->wValue[0], mc->wIndex, 547 MIX_SIZE(mc->type))); 548 } else { 549 mc->minval = 0; 550 mc->maxval = 1; 551 } 552 553 sc->sc_ctls[sc->sc_nctls++] = *mc; 554 555 #ifdef UAUDIO_DEBUG 556 if (uaudiodebug > 2) { 557 int i; 558 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0])); 559 for (i = 1; i < mc->nchan; i++) 560 DPRINTF((",%04x", mc->wValue[i])); 561 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' " 562 "min=%d max=%d\n", 563 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 564 mc->minval, mc->maxval)); 565 } 566 #endif 567 } 568 569 char * 570 uaudio_id_name(struct uaudio_softc *sc, usb_descriptor_t **dps, int id) 571 { 572 static char buf[32]; 573 sprintf(buf, "i%d", id); 574 return (buf); 575 } 576 577 struct usb_audio_cluster 578 uaudio_get_cluster(int id, usb_descriptor_t **dps) 579 { 580 struct usb_audio_cluster r; 581 usb_descriptor_t *dp; 582 int i; 583 584 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 585 dp = dps[id]; 586 if (dp == 0) 587 goto bad; 588 switch (dp->bDescriptorSubtype) { 589 case UDESCSUB_AC_INPUT: 590 #define p ((struct usb_audio_input_terminal *)dp) 591 r.bNrChannels = p->bNrChannels; 592 USETW(r.wChannelConfig, UGETW(p->wChannelConfig)); 593 r.iChannelNames = p->iChannelNames; 594 #undef p 595 return (r); 596 case UDESCSUB_AC_OUTPUT: 597 #define p ((struct usb_audio_output_terminal *)dp) 598 id = p->bSourceId; 599 #undef p 600 break; 601 case UDESCSUB_AC_MIXER: 602 #define p ((struct usb_audio_mixer_unit *)dp) 603 r = *(struct usb_audio_cluster *) 604 &p->baSourceId[p->bNrInPins]; 605 #undef p 606 return (r); 607 case UDESCSUB_AC_SELECTOR: 608 /* XXX This is not really right */ 609 #define p ((struct usb_audio_selector_unit *)dp) 610 id = p->baSourceId[0]; 611 #undef p 612 break; 613 case UDESCSUB_AC_FEATURE: 614 #define p ((struct usb_audio_feature_unit *)dp) 615 id = p->bSourceId; 616 #undef p 617 break; 618 case UDESCSUB_AC_PROCESSING: 619 #define p ((struct usb_audio_processing_unit *)dp) 620 r = *(struct usb_audio_cluster *) 621 &p->baSourceId[p->bNrInPins]; 622 #undef p 623 return (r); 624 case UDESCSUB_AC_EXTENSION: 625 #define p ((struct usb_audio_extension_unit *)dp) 626 r = *(struct usb_audio_cluster *) 627 &p->baSourceId[p->bNrInPins]; 628 #undef p 629 return (r); 630 default: 631 goto bad; 632 } 633 } 634 bad: 635 printf("uaudio_get_cluster: bad data\n"); 636 memset(&r, 0, sizeof r); 637 return (r); 638 639 } 640 641 void 642 uaudio_add_input(struct uaudio_softc *sc, usb_descriptor_t *v, 643 usb_descriptor_t **dps) 644 { 645 #ifdef UAUDIO_DEBUG 646 struct usb_audio_input_terminal *d = 647 (struct usb_audio_input_terminal *)v; 648 649 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x " 650 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 651 "iChannelNames=%d iTerminal=%d\n", 652 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 653 d->bNrChannels, UGETW(d->wChannelConfig), 654 d->iChannelNames, d->iTerminal)); 655 #endif 656 } 657 658 void 659 uaudio_add_output(struct uaudio_softc *sc, usb_descriptor_t *v, 660 usb_descriptor_t **dps) 661 { 662 #ifdef UAUDIO_DEBUG 663 struct usb_audio_output_terminal *d = 664 (struct usb_audio_output_terminal *)v; 665 666 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x " 667 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 668 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 669 d->bSourceId, d->iTerminal)); 670 #endif 671 } 672 673 void 674 uaudio_add_mixer(struct uaudio_softc *sc, usb_descriptor_t *v, 675 usb_descriptor_t **dps) 676 { 677 struct usb_audio_mixer_unit *d = (struct usb_audio_mixer_unit *)v; 678 struct usb_audio_mixer_unit_1 *d1; 679 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 680 uByte *bm; 681 struct mixerctl mix; 682 683 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n", 684 d->bUnitId, d->bNrInPins)); 685 686 /* Compute the number of input channels */ 687 ichs = 0; 688 for (i = 0; i < d->bNrInPins; i++) 689 ichs += uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 690 691 /* and the number of output channels */ 692 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 693 ochs = d1->bNrChannels; 694 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs)); 695 696 bm = d1->bmControls; 697 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 698 mix.class = -1; 699 mix.type = MIX_SIGNED_16; 700 mix.ctlunit = AudioNvolume; 701 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 702 for (p = i = 0; i < d->bNrInPins; i++) { 703 chs = uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 704 mc = 0; 705 for (c = 0; c < chs; c++) { 706 mo = 0; 707 for (o = 0; o < ochs; o++) { 708 bno = (p + c) * ochs + o; 709 if (BIT(bno)) 710 mo++; 711 } 712 if (mo == 1) 713 mc++; 714 } 715 if (mc == chs && chs <= MIX_MAX_CHAN) { 716 k = 0; 717 for (c = 0; c < chs; c++) 718 for (o = 0; o < ochs; o++) { 719 bno = (p + c) * ochs + o; 720 if (BIT(bno)) 721 mix.wValue[k++] = 722 MAKE(p+c+1, o+1); 723 } 724 sprintf(mix.ctlname, "mix%d-%s", d->bUnitId, 725 uaudio_id_name(sc, dps, d->baSourceId[i])); 726 mix.nchan = chs; 727 uaudio_mixer_add_ctl(sc, &mix); 728 } else { 729 /* XXX */ 730 } 731 #undef BIT 732 p += chs; 733 } 734 735 } 736 737 void 738 uaudio_add_selector(struct uaudio_softc *sc, usb_descriptor_t *v, 739 usb_descriptor_t **dps) 740 { 741 #ifdef UAUDIO_DEBUG 742 struct usb_audio_selector_unit *d = 743 (struct usb_audio_selector_unit *)v; 744 745 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n", 746 d->bUnitId, d->bNrInPins)); 747 #endif 748 printf("uaudio_add_selector: NOT IMPLEMENTED\n"); 749 } 750 751 void 752 uaudio_add_feature(struct uaudio_softc *sc, usb_descriptor_t *v, 753 usb_descriptor_t **dps) 754 { 755 struct usb_audio_feature_unit *d = (struct usb_audio_feature_unit *)v; 756 uByte *ctls = d->bmaControls; 757 int ctlsize = d->bControlSize; 758 int nchan = (d->bLength - 7) / ctlsize; 759 int srcId = d->bSourceId; 760 u_int fumask, mmask, cmask; 761 struct mixerctl mix; 762 int chan, ctl, i, unit; 763 764 #define GET(i) (ctls[(i)*ctlsize] | \ 765 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 766 767 mmask = GET(0); 768 /* Figure out what we can control */ 769 for (cmask = 0, chan = 1; chan < nchan; chan++) { 770 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n", 771 chan, GET(chan))); 772 cmask |= GET(chan); 773 } 774 775 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d bSourceId=%d, " 776 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 777 d->bUnitId, srcId, nchan, mmask, cmask)); 778 779 if (nchan > MIX_MAX_CHAN) 780 nchan = MIX_MAX_CHAN; 781 unit = d->bUnitId; 782 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 783 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 784 fumask = FU_MASK(ctl); 785 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n", 786 ctl, fumask)); 787 if (mmask & fumask) { 788 mix.nchan = 1; 789 mix.wValue[0] = MAKE(ctl, 0); 790 } else if (cmask & fumask) { 791 mix.nchan = nchan - 1; 792 for (i = 1; i < nchan; i++) { 793 if (GET(i) & fumask) 794 mix.wValue[i-1] = MAKE(ctl, i); 795 else 796 mix.wValue[i-1] = -1; 797 } 798 } else { 799 continue; 800 } 801 #undef GET 802 mix.class = -1; /* XXX */ 803 switch (ctl) { 804 case MUTE_CONTROL: 805 mix.type = MIX_ON_OFF; 806 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 807 uaudio_id_name(sc, dps, srcId), 808 AudioNmute); 809 mix.ctlunit = ""; 810 break; 811 case VOLUME_CONTROL: 812 mix.type = MIX_SIGNED_16; 813 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 814 uaudio_id_name(sc, dps, srcId), 815 AudioNmaster); 816 mix.ctlunit = AudioNvolume; 817 break; 818 case BASS_CONTROL: 819 mix.type = MIX_SIGNED_8; 820 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 821 uaudio_id_name(sc, dps, srcId), 822 AudioNbass); 823 mix.ctlunit = AudioNbass; 824 break; 825 case MID_CONTROL: 826 mix.type = MIX_SIGNED_8; 827 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 828 uaudio_id_name(sc, dps, srcId), 829 AudioNmid); 830 mix.ctlunit = AudioNmid; 831 break; 832 case TREBLE_CONTROL: 833 mix.type = MIX_SIGNED_8; 834 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 835 uaudio_id_name(sc, dps, srcId), 836 AudioNtreble); 837 mix.ctlunit = AudioNtreble; 838 break; 839 case GRAPHIC_EQUALIZER_CONTROL: 840 continue; /* XXX don't add anything */ 841 break; 842 case AGC_CONTROL: 843 mix.type = MIX_ON_OFF; 844 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 845 uaudio_id_name(sc, dps, srcId), 846 AudioNagc); 847 mix.ctlunit = ""; 848 break; 849 case DELAY_CONTROL: 850 mix.type = MIX_UNSIGNED_16; 851 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 852 uaudio_id_name(sc, dps, srcId), 853 AudioNdelay); 854 mix.ctlunit = "4 ms"; 855 break; 856 case BASS_BOOST_CONTROL: 857 mix.type = MIX_ON_OFF; 858 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 859 uaudio_id_name(sc, dps, srcId), 860 AudioNbassboost); 861 mix.ctlunit = ""; 862 break; 863 case LOUDNESS_CONTROL: 864 mix.type = MIX_ON_OFF; 865 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 866 uaudio_id_name(sc, dps, srcId), 867 AudioNloudness); 868 mix.ctlunit = ""; 869 break; 870 } 871 uaudio_mixer_add_ctl(sc, &mix); 872 } 873 } 874 875 void 876 uaudio_add_processing_updown(struct uaudio_softc *sc, usb_descriptor_t *v, 877 usb_descriptor_t **dps) 878 { 879 struct usb_audio_processing_unit *d = 880 (struct usb_audio_processing_unit *)v; 881 struct usb_audio_processing_unit_1 *d1 = 882 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 883 struct usb_audio_processing_unit_updown *ud = 884 (struct usb_audio_processing_unit_updown *) 885 &d1->bmControls[d1->bControlSize]; 886 struct mixerctl mix; 887 int i; 888 889 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n", 890 d->bUnitId, ud->bNrModes)); 891 892 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 893 DPRINTF(("uaudio_add_processing_updown: no mode select\n")); 894 return; 895 } 896 897 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 898 mix.nchan = 1; 899 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 900 mix.class = -1; 901 mix.type = MIX_ON_OFF; /* XXX */ 902 mix.ctlunit = ""; 903 sprintf(mix.ctlname, "pro%d-mode", d->bUnitId); 904 905 for (i = 0; i < ud->bNrModes; i++) { 906 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n", 907 i, UGETW(ud->waModes[i]))); 908 /* XXX */ 909 } 910 uaudio_mixer_add_ctl(sc, &mix); 911 } 912 913 void 914 uaudio_add_processing(struct uaudio_softc *sc, usb_descriptor_t *v, 915 usb_descriptor_t **dps) 916 { 917 struct usb_audio_processing_unit *d = 918 (struct usb_audio_processing_unit *)v; 919 struct usb_audio_processing_unit_1 *d1 = 920 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 921 int ptype = UGETW(d->wProcessType); 922 struct mixerctl mix; 923 924 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d " 925 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins)); 926 927 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 928 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 929 mix.nchan = 1; 930 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 931 mix.class = -1; 932 mix.type = MIX_ON_OFF; 933 mix.ctlunit = ""; 934 sprintf(mix.ctlname, "pro%d.%d-enable", d->bUnitId, ptype); 935 uaudio_mixer_add_ctl(sc, &mix); 936 } 937 938 switch(ptype) { 939 case UPDOWNMIX_PROCESS: 940 uaudio_add_processing_updown(sc, v, dps); 941 break; 942 case DOLBY_PROLOGIC_PROCESS: 943 case P3D_STEREO_EXTENDER_PROCESS: 944 case REVERBATION_PROCESS: 945 case CHORUS_PROCESS: 946 case DYN_RANGE_COMP_PROCESS: 947 default: 948 #ifdef UAUDIO_DEBUG 949 printf("uaudio_add_processing: unit %d, type=%d not impl.\n", 950 d->bUnitId, ptype); 951 #endif 952 break; 953 } 954 } 955 956 void 957 uaudio_add_extension(struct uaudio_softc *sc, usb_descriptor_t *v, 958 usb_descriptor_t **dps) 959 { 960 struct usb_audio_extension_unit *d = 961 (struct usb_audio_extension_unit *)v; 962 struct usb_audio_extension_unit_1 *d1 = 963 (struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins]; 964 struct mixerctl mix; 965 966 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n", 967 d->bUnitId, d->bNrInPins)); 968 969 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 970 return; 971 972 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 973 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 974 mix.nchan = 1; 975 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 976 mix.class = -1; 977 mix.type = MIX_ON_OFF; 978 mix.ctlunit = ""; 979 sprintf(mix.ctlname, "ext%d-enable", d->bUnitId); 980 uaudio_mixer_add_ctl(sc, &mix); 981 } 982 } 983 984 usbd_status 985 uaudio_identify(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 986 { 987 usbd_status err; 988 989 err = uaudio_identify_ac(sc, cdesc); 990 if (err) 991 return (err); 992 return (uaudio_identify_as(sc, cdesc)); 993 } 994 995 void 996 uaudio_add_alt(struct uaudio_softc *sc, struct as_info *ai) 997 { 998 if (sc->sc_nalts == 0) 999 sc->sc_alts = malloc(sizeof *ai, M_USBDEV, M_NOWAIT); 1000 else 1001 sc->sc_alts = realloc(sc->sc_alts, 1002 (sc->sc_nalts+1) * sizeof *ai, 1003 M_USBDEV, M_NOWAIT); 1004 if (sc->sc_alts == NULL) { 1005 printf("uaudio_add_alt: no memory\n"); 1006 return; 1007 } 1008 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n", 1009 ai->alt, ai->encoding)); 1010 sc->sc_alts[sc->sc_nalts++] = *ai; 1011 } 1012 1013 usbd_status 1014 uaudio_process_as(struct uaudio_softc *sc, char *buf, int *offsp, 1015 int size, usb_interface_descriptor_t *id) 1016 #define offs (*offsp) 1017 { 1018 struct usb_audio_streaming_interface_descriptor *asid; 1019 struct usb_audio_streaming_type1_descriptor *asf1d; 1020 usb_endpoint_descriptor_audio_t *ed; 1021 struct usb_audio_streaming_endpoint_descriptor *sed; 1022 int format, chan, prec, enc; 1023 int dir, type; 1024 struct as_info ai; 1025 1026 asid = (void *)(buf + offs); 1027 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 1028 asid->bDescriptorSubtype != AS_GENERAL) 1029 return (USBD_INVAL); 1030 offs += asid->bLength; 1031 if (offs > size) 1032 return (USBD_INVAL); 1033 asf1d = (void *)(buf + offs); 1034 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 1035 asf1d->bDescriptorSubtype != FORMAT_TYPE) 1036 return (USBD_INVAL); 1037 offs += asf1d->bLength; 1038 if (offs > size) 1039 return (USBD_INVAL); 1040 1041 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1042 printf("%s: ignored setting with type %d format\n", 1043 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag)); 1044 return (USBD_NORMAL_COMPLETION); 1045 } 1046 1047 ed = (void *)(buf + offs); 1048 if (ed->bDescriptorType != UDESC_ENDPOINT) 1049 return (USBD_INVAL); 1050 DPRINTF(("uaudio_process_as: endpoint bLength=%d bDescriptorType=%d " 1051 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d " 1052 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1053 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1054 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1055 ed->bInterval, ed->bRefresh, ed->bSynchAddress)); 1056 offs += ed->bLength; 1057 if (offs > size) 1058 return (USBD_INVAL); 1059 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1060 return (USBD_INVAL); 1061 1062 dir = UE_GET_DIR(ed->bEndpointAddress); 1063 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1064 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1065 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1066 type = UE_ISO_ASYNC; 1067 1068 /* We can't handle endpoints that need a sync pipe. */ 1069 if (dir == UE_DIR_IN ? type == UE_ISO_ADAPT : type == UE_ISO_ASYNC) { 1070 printf("%s: ignored %sput endpoint of type %s\n", 1071 USBDEVNAME(sc->sc_dev), 1072 dir == UE_DIR_IN ? "in" : "out", 1073 dir == UE_DIR_IN ? "adaptive" : "async"); 1074 return (USBD_NORMAL_COMPLETION); 1075 } 1076 1077 sed = (void *)(buf + offs); 1078 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1079 sed->bDescriptorSubtype != AS_GENERAL) 1080 return (USBD_INVAL); 1081 offs += sed->bLength; 1082 if (offs > size) 1083 return (USBD_INVAL); 1084 1085 format = UGETW(asid->wFormatTag); 1086 chan = asf1d->bNrChannels; 1087 prec = asf1d->bBitResolution; 1088 if (prec != 8 && prec != 16) { 1089 #ifdef AUDIO_DEBUG 1090 printf("%s: ignored setting with precision %d\n", 1091 USBDEVNAME(sc->sc_dev), prec); 1092 #endif 1093 return (USBD_NORMAL_COMPLETION); 1094 } 1095 switch (format) { 1096 case UA_FMT_PCM: 1097 sc->sc_altflags |= prec == 8 ? HAS_8 : HAS_16; 1098 enc = AUDIO_ENCODING_SLINEAR_LE; 1099 break; 1100 case UA_FMT_PCM8: 1101 enc = AUDIO_ENCODING_ULINEAR_LE; 1102 sc->sc_altflags |= HAS_8U; 1103 break; 1104 case UA_FMT_ALAW: 1105 enc = AUDIO_ENCODING_ALAW; 1106 sc->sc_altflags |= HAS_ALAW; 1107 break; 1108 case UA_FMT_MULAW: 1109 enc = AUDIO_ENCODING_ULAW; 1110 sc->sc_altflags |= HAS_MULAW; 1111 break; 1112 default: 1113 printf("%s: ignored setting with format %d\n", 1114 USBDEVNAME(sc->sc_dev), format); 1115 return (USBD_NORMAL_COMPLETION); 1116 } 1117 DPRINTFN(1,("uaudio_identify: alt=%d enc=%d chan=%d prec=%d\n", 1118 id->bAlternateSetting, enc, chan, prec)); 1119 ai.alt = id->bAlternateSetting; 1120 ai.encoding = enc; 1121 ai.idesc = id; 1122 ai.edesc = ed; 1123 ai.asf1desc = asf1d; 1124 uaudio_add_alt(sc, &ai); 1125 sc->sc_chan.terminal = asid->bTerminalLink; /* XXX */ 1126 sc->sc_chan.dir = dir; 1127 return (USBD_NORMAL_COMPLETION); 1128 } 1129 #undef offs 1130 1131 usbd_status 1132 uaudio_identify_as(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1133 { 1134 usb_interface_descriptor_t *id; 1135 usbd_status err; 1136 char *buf; 1137 int size, offs; 1138 1139 size = UGETW(cdesc->wTotalLength); 1140 buf = (char *)cdesc; 1141 1142 /* Locate the AudioStreaming interface descriptor. */ 1143 offs = 0; 1144 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1145 if (id == NULL) 1146 return (USBD_INVAL); 1147 sc->sc_as_iface = id->bInterfaceNumber; 1148 DPRINTF(("uaudio_identify_as: AS interface is %d\n", sc->sc_as_iface)); 1149 1150 sc->sc_chan.terminal = -1; 1151 1152 /* Loop through all the alternate settings. */ 1153 while (offs <= size) { 1154 switch (id->bNumEndpoints) { 1155 case 0: 1156 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n", 1157 id->bAlternateSetting)); 1158 sc->sc_nullalt = id->bAlternateSetting; 1159 break; 1160 case 1: 1161 err = uaudio_process_as(sc, buf, &offs, size, id); 1162 break; 1163 default: 1164 #ifdef AUDIO_DEBUG 1165 printf("%s: ignored audio interface with %d " 1166 "endpoints\n", 1167 USBDEVNAME(sc->sc_dev), id->bNumEndpoints); 1168 #endif 1169 break; 1170 } 1171 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM); 1172 if (id == NULL) 1173 break; 1174 } 1175 if (offs > size) 1176 return (USBD_INVAL); 1177 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts)); 1178 if (sc->sc_chan.terminal < 0) { 1179 printf("%s: no useable endpoint found\n", 1180 USBDEVNAME(sc->sc_dev)); 1181 return (USBD_INVAL); 1182 } 1183 return (USBD_NORMAL_COMPLETION); 1184 } 1185 1186 usbd_status 1187 uaudio_identify_ac(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1188 { 1189 usb_interface_descriptor_t *id; 1190 struct usb_audio_control_descriptor *acdp; 1191 usb_descriptor_t *dp, *dps[256]; 1192 char *buf, *ibuf, *ibufend; 1193 int size, offs, aclen, ndps, i; 1194 1195 size = UGETW(cdesc->wTotalLength); 1196 buf = (char *)cdesc; 1197 1198 /* Locate the AudioControl interface descriptor. */ 1199 offs = 0; 1200 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1201 if (id == NULL) 1202 return (USBD_INVAL); 1203 if (offs + sizeof *acdp > size) 1204 return (USBD_INVAL); 1205 sc->sc_ac_iface = id->bInterfaceNumber; 1206 DPRINTFN(2,("uaudio_identify: AC interface is %d\n", sc->sc_ac_iface)); 1207 1208 /* A class-specific AC interface header should follow. */ 1209 ibuf = buf + offs; 1210 acdp = (struct usb_audio_control_descriptor *)ibuf; 1211 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1212 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1213 return (USBD_INVAL); 1214 aclen = UGETW(acdp->wTotalLength); 1215 if (offs + aclen > size) 1216 return (USBD_INVAL); 1217 1218 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1219 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1220 return (USBD_INVAL); 1221 1222 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1223 DPRINTFN(2,("uaudio_identify: found AC header, vers=%03x, len=%d\n", 1224 sc->sc_audio_rev, aclen)); 1225 1226 sc->sc_nullalt = -1; 1227 1228 /* Scan through all the AC specific descriptors */ 1229 ibufend = ibuf + aclen; 1230 dp = (usb_descriptor_t *)ibuf; 1231 ndps = 0; 1232 memset(dps, 0, sizeof dps); 1233 for (;;) { 1234 ibuf += dp->bLength; 1235 if (ibuf >= ibufend) 1236 break; 1237 dp = (usb_descriptor_t *)ibuf; 1238 if (ibuf + dp->bLength > ibufend) 1239 return (USBD_INVAL); 1240 if (dp->bDescriptorType != UDESC_CS_INTERFACE) { 1241 printf("uaudio_identify: skip desc type=0x%02x\n", 1242 dp->bDescriptorType); 1243 continue; 1244 } 1245 i = ((struct usb_audio_input_terminal *)dp)->bTerminalId; 1246 dps[i] = dp; 1247 if (i > ndps) 1248 ndps = i; 1249 } 1250 ndps++; 1251 1252 for (i = 0; i < ndps; i++) { 1253 dp = dps[i]; 1254 if (dp == NULL) 1255 continue; 1256 DPRINTF(("uaudio_identify: subtype=%d\n", 1257 dp->bDescriptorSubtype)); 1258 switch (dp->bDescriptorSubtype) { 1259 case UDESCSUB_AC_HEADER: 1260 printf("uaudio_identify: unexpected AC header\n"); 1261 break; 1262 case UDESCSUB_AC_INPUT: 1263 uaudio_add_input(sc, dp, dps); 1264 break; 1265 case UDESCSUB_AC_OUTPUT: 1266 uaudio_add_output(sc, dp, dps); 1267 break; 1268 case UDESCSUB_AC_MIXER: 1269 uaudio_add_mixer(sc, dp, dps); 1270 break; 1271 case UDESCSUB_AC_SELECTOR: 1272 uaudio_add_selector(sc, dp, dps); 1273 break; 1274 case UDESCSUB_AC_FEATURE: 1275 uaudio_add_feature(sc, dp, dps); 1276 break; 1277 case UDESCSUB_AC_PROCESSING: 1278 uaudio_add_processing(sc, dp, dps); 1279 break; 1280 case UDESCSUB_AC_EXTENSION: 1281 uaudio_add_extension(sc, dp, dps); 1282 break; 1283 default: 1284 printf("uaudio_identify: bad AC desc subtype=0x%02x\n", 1285 dp->bDescriptorSubtype); 1286 break; 1287 } 1288 } 1289 return (USBD_NORMAL_COMPLETION); 1290 } 1291 1292 int 1293 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 1294 { 1295 struct uaudio_softc *sc = addr; 1296 struct mixerctl *mc; 1297 int n, nctls; 1298 1299 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index)); 1300 if (sc->sc_dying) 1301 return (EIO); 1302 1303 n = mi->index; 1304 nctls = sc->sc_nctls; 1305 1306 if (n < 0 || n >= nctls) { 1307 switch (n - nctls) { 1308 case UAC_OUTPUT: 1309 mi->type = AUDIO_MIXER_CLASS; 1310 mi->mixer_class = nctls + UAC_OUTPUT; 1311 mi->next = mi->prev = AUDIO_MIXER_LAST; 1312 strcpy(mi->label.name, AudioCoutputs); 1313 return (0); 1314 case UAC_INPUT: 1315 mi->type = AUDIO_MIXER_CLASS; 1316 mi->mixer_class = nctls + UAC_INPUT; 1317 mi->next = mi->prev = AUDIO_MIXER_LAST; 1318 strcpy(mi->label.name, AudioCinputs); 1319 return (0); 1320 case UAC_EQUAL: 1321 mi->type = AUDIO_MIXER_CLASS; 1322 mi->mixer_class = nctls + UAC_EQUAL; 1323 mi->next = mi->prev = AUDIO_MIXER_LAST; 1324 strcpy(mi->label.name, AudioCequalization); 1325 return (0); 1326 default: 1327 return (ENXIO); 1328 } 1329 } 1330 mc = &sc->sc_ctls[n]; 1331 strncpy(mi->label.name, mc->ctlname, MAX_AUDIO_DEV_LEN); 1332 mi->mixer_class = mc->class; 1333 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 1334 switch (mc->type) { 1335 case MIX_ON_OFF: 1336 mi->type = AUDIO_MIXER_ENUM; 1337 mi->un.e.num_mem = 2; 1338 strcpy(mi->un.e.member[0].label.name, AudioNoff); 1339 mi->un.e.member[0].ord = 0; 1340 strcpy(mi->un.e.member[1].label.name, AudioNon); 1341 mi->un.e.member[1].ord = 1; 1342 break; 1343 default: 1344 mi->type = AUDIO_MIXER_VALUE; 1345 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 1346 mi->un.v.num_channels = mc->nchan; 1347 break; 1348 } 1349 return (0); 1350 } 1351 1352 int 1353 uaudio_open(void *addr, int flags) 1354 { 1355 struct uaudio_softc *sc = addr; 1356 1357 DPRINTF(("uaudio_open: sc=%p\n", sc)); 1358 if (sc->sc_dying) 1359 return (EIO); 1360 1361 if (sc->sc_chan.terminal < 0) 1362 return (ENXIO); 1363 1364 if ((flags & FREAD) && sc->sc_chan.dir != UE_DIR_IN) 1365 return (EACCES); 1366 if ((flags & FWRITE) && sc->sc_chan.dir != UE_DIR_OUT) 1367 return (EACCES); 1368 1369 sc->sc_chan.intr = 0; 1370 1371 return (0); 1372 } 1373 1374 /* 1375 * Close function is called at splaudio(). 1376 */ 1377 void 1378 uaudio_close(void *addr) 1379 { 1380 struct uaudio_softc *sc = addr; 1381 1382 DPRINTF(("uaudio_close: sc=%p\n", sc)); 1383 uaudio_halt_in_dma(sc); 1384 uaudio_halt_out_dma(sc); 1385 1386 sc->sc_chan.intr = 0; 1387 } 1388 1389 int 1390 uaudio_drain(void *addr) 1391 { 1392 struct uaudio_softc *sc = addr; 1393 1394 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 1395 1396 return (0); 1397 } 1398 1399 int 1400 uaudio_halt_out_dma(void *addr) 1401 { 1402 struct uaudio_softc *sc = addr; 1403 1404 DPRINTF(("uaudio_halt_out_dma: enter\n")); 1405 if (sc->sc_chan.pipe != NULL) { 1406 uaudio_chan_close(sc, &sc->sc_chan); 1407 sc->sc_chan.pipe = 0; 1408 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1409 } 1410 return (0); 1411 } 1412 1413 int 1414 uaudio_halt_in_dma(void *addr) 1415 { 1416 struct uaudio_softc *sc = addr; 1417 1418 DPRINTF(("uaudio_halt_in_dma: enter\n")); 1419 if (sc->sc_chan.pipe != NULL) { 1420 uaudio_chan_close(sc, &sc->sc_chan); 1421 sc->sc_chan.pipe = 0; 1422 uaudio_chan_free_buffers(sc, &sc->sc_chan); 1423 } 1424 return (0); 1425 } 1426 1427 int 1428 uaudio_getdev(void *addr, struct audio_device *retp) 1429 { 1430 struct uaudio_softc *sc = addr; 1431 1432 DPRINTF(("uaudio_mixer_getdev:\n")); 1433 if (sc->sc_dying) 1434 return (EIO); 1435 1436 *retp = uaudio_device; 1437 return (0); 1438 } 1439 1440 /* 1441 * Make sure the block size is large enough to hold all outstanding transfers. 1442 */ 1443 int 1444 uaudio_round_blocksize(void *addr, int blk) 1445 { 1446 struct uaudio_softc *sc = addr; 1447 int bpf; 1448 1449 bpf = sc->sc_chan.bytes_per_frame + sc->sc_chan.sample_size; 1450 /* XXX */ 1451 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 1452 1453 bpf = (bpf + 15) &~ 15; 1454 1455 if (blk < bpf) 1456 blk = bpf; 1457 1458 #ifdef DIAGNOSTIC 1459 if (blk <= 0) { 1460 printf("uaudio_round_blocksize: blk=%d\n", blk); 1461 blk = 512; 1462 } 1463 #endif 1464 1465 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk)); 1466 return (blk); 1467 } 1468 1469 int 1470 uaudio_get_props(void *addr) 1471 { 1472 struct uaudio_softc *sc = addr; 1473 1474 return (sc->sc_props); 1475 } 1476 1477 int 1478 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 1479 int wIndex, int len) 1480 { 1481 usb_device_request_t req; 1482 u_int8_t data[4]; 1483 usbd_status err; 1484 int val; 1485 1486 if (wValue == -1) 1487 return (0); 1488 1489 req.bmRequestType = type; 1490 req.bRequest = which; 1491 USETW(req.wValue, wValue); 1492 USETW(req.wIndex, wIndex); 1493 USETW(req.wLength, len); 1494 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x " 1495 "wIndex=0x%04x len=%d\n", 1496 type, which, wValue, wIndex, len)); 1497 err = usbd_do_request(sc->sc_udev, &req, &data); 1498 if (err) { 1499 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err))); 1500 return (-1); 1501 } 1502 switch (len) { 1503 case 1: 1504 val = data[0]; 1505 break; 1506 case 2: 1507 val = data[0] | (data[1] << 8); 1508 break; 1509 default: 1510 DPRINTF(("uaudio_get: bad length=%d\n", len)); 1511 return (-1); 1512 } 1513 DPRINTFN(2,("uaudio_get: val=%d\n", val)); 1514 return (val); 1515 } 1516 1517 void 1518 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 1519 int wIndex, int len, int val) 1520 { 1521 usb_device_request_t req; 1522 u_int8_t data[4]; 1523 usbd_status err; 1524 1525 if (wValue == -1) 1526 return; 1527 1528 req.bmRequestType = type; 1529 req.bRequest = which; 1530 USETW(req.wValue, wValue); 1531 USETW(req.wIndex, wIndex); 1532 USETW(req.wLength, len); 1533 switch (len) { 1534 case 1: 1535 data[0] = val; 1536 break; 1537 case 2: 1538 data[0] = val; 1539 data[1] = val >> 8; 1540 break; 1541 default: 1542 return; 1543 } 1544 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x " 1545 "wIndex=0x%04x len=%d, val=%d\n", 1546 type, which, wValue, wIndex, len, val & 0xffff)); 1547 err = usbd_do_request(sc->sc_udev, &req, &data); 1548 #ifdef UAUDIO_DEBUG 1549 if (err) 1550 DPRINTF(("uaudio_set: err=%d\n", err)); 1551 #endif 1552 } 1553 1554 int 1555 uaudio_signext(int type, int val) 1556 { 1557 if (!MIX_UNSIGNED(type)) { 1558 if (MIX_SIZE(type) == 2) 1559 val = (int16_t)val; 1560 else 1561 val = (int8_t)val; 1562 } 1563 return (val); 1564 } 1565 1566 int 1567 uaudio_value2bsd(struct mixerctl *mc, int val) 1568 { 1569 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ", 1570 mc->type, val, mc->minval, mc->maxval)); 1571 if (mc->type == MIX_ON_OFF) 1572 val = val != 0; 1573 else 1574 val = (uaudio_signext(mc->type, val) - mc->minval) * 256 1575 / (mc->maxval - mc->minval); 1576 DPRINTFN(5, ("val'=%d\n", val)); 1577 return (val); 1578 } 1579 1580 int 1581 uaudio_bsd2value(struct mixerctl *mc, int val) 1582 { 1583 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ", 1584 mc->type, val, mc->minval, mc->maxval)); 1585 if (mc->type == MIX_ON_OFF) 1586 val = val != 0; 1587 else 1588 val = val * (mc->maxval - mc->minval) / 256 + mc->minval; 1589 DPRINTFN(5, ("val'=%d\n", val)); 1590 return (val); 1591 } 1592 1593 int 1594 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1595 int chan) 1596 { 1597 int val; 1598 1599 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan)); 1600 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 1601 mc->wIndex, MIX_SIZE(mc->type)); 1602 return (uaudio_value2bsd(mc, val)); 1603 } 1604 1605 void 1606 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1607 int chan, int val) 1608 { 1609 val = uaudio_bsd2value(mc, val); 1610 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 1611 mc->wIndex, MIX_SIZE(mc->type), val); 1612 } 1613 1614 int 1615 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1616 { 1617 struct uaudio_softc *sc = addr; 1618 struct mixerctl *mc; 1619 int i, n, vals[MIX_MAX_CHAN], val; 1620 1621 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev)); 1622 1623 if (sc->sc_dying) 1624 return (EIO); 1625 1626 n = cp->dev; 1627 if (n < 0 || n >= sc->sc_nctls) 1628 return (ENXIO); 1629 mc = &sc->sc_ctls[n]; 1630 1631 if (mc->type == MIX_ON_OFF) { 1632 if (cp->type != AUDIO_MIXER_ENUM) 1633 return (EINVAL); 1634 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 1635 } else { 1636 if (cp->type != AUDIO_MIXER_VALUE) 1637 return (EINVAL); 1638 if (cp->un.value.num_channels != 1 && 1639 cp->un.value.num_channels != mc->nchan) 1640 return (EINVAL); 1641 for (i = 0; i < mc->nchan; i++) 1642 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 1643 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 1644 for (val = 0, i = 0; i < mc->nchan; i++) 1645 val += vals[i]; 1646 vals[0] = val / mc->nchan; 1647 } 1648 for (i = 0; i < cp->un.value.num_channels; i++) 1649 cp->un.value.level[i] = vals[i]; 1650 } 1651 1652 return (0); 1653 } 1654 1655 int 1656 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1657 { 1658 struct uaudio_softc *sc = addr; 1659 struct mixerctl *mc; 1660 int i, n, vals[MIX_MAX_CHAN]; 1661 1662 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev)); 1663 if (sc->sc_dying) 1664 return (EIO); 1665 1666 n = cp->dev; 1667 if (n < 0 || n >= sc->sc_nctls) 1668 return (ENXIO); 1669 mc = &sc->sc_ctls[n]; 1670 1671 if (mc->type == MIX_ON_OFF) { 1672 if (cp->type != AUDIO_MIXER_ENUM) 1673 return (EINVAL); 1674 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 1675 } else { 1676 if (cp->type != AUDIO_MIXER_VALUE) 1677 return (EINVAL); 1678 if (cp->un.value.num_channels == 1) 1679 for (i = 0; i < mc->nchan; i++) 1680 vals[i] = cp->un.value.level[0]; 1681 else if (cp->un.value.num_channels == mc->nchan) 1682 for (i = 0; i < mc->nchan; i++) 1683 vals[i] = cp->un.value.level[i]; 1684 else 1685 return (EINVAL); 1686 for (i = 0; i < mc->nchan; i++) 1687 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 1688 } 1689 return (0); 1690 } 1691 1692 int 1693 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1694 void (*intr)(void *), void *arg, 1695 struct audio_params *param) 1696 { 1697 struct uaudio_softc *sc = addr; 1698 struct chan *ch = &sc->sc_chan; 1699 usbd_status err; 1700 int i, s; 1701 1702 if (sc->sc_dying) 1703 return (EIO); 1704 1705 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p " 1706 "blksize=%d\n", sc, start, end, blksize)); 1707 1708 uaudio_chan_set_param(ch, param, start, end, blksize); 1709 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d " 1710 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1711 ch->fraction)); 1712 1713 err = uaudio_chan_alloc_buffers(sc, ch); 1714 if (err) 1715 return (EIO); 1716 1717 err = uaudio_chan_open(sc, ch); 1718 if (err) { 1719 uaudio_chan_free_buffers(sc, ch); 1720 return (EIO); 1721 } 1722 1723 sc->sc_chan.intr = intr; 1724 sc->sc_chan.arg = arg; 1725 1726 s = splusb(); 1727 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */ 1728 uaudio_chan_rtransfer(ch); 1729 splx(s); 1730 1731 return (0); 1732 } 1733 1734 int 1735 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 1736 void (*intr)(void *), void *arg, 1737 struct audio_params *param) 1738 { 1739 struct uaudio_softc *sc = addr; 1740 struct chan *ch = &sc->sc_chan; 1741 usbd_status err; 1742 int i, s; 1743 1744 if (sc->sc_dying) 1745 return (EIO); 1746 1747 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p " 1748 "blksize=%d\n", sc, start, end, blksize)); 1749 1750 uaudio_chan_set_param(ch, param, start, end, blksize); 1751 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d " 1752 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1753 ch->fraction)); 1754 1755 err = uaudio_chan_alloc_buffers(sc, ch); 1756 if (err) 1757 return (EIO); 1758 1759 err = uaudio_chan_open(sc, ch); 1760 if (err) { 1761 uaudio_chan_free_buffers(sc, ch); 1762 return (EIO); 1763 } 1764 1765 sc->sc_chan.intr = intr; 1766 sc->sc_chan.arg = arg; 1767 1768 s = splusb(); 1769 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */ 1770 uaudio_chan_ptransfer(ch); 1771 splx(s); 1772 1773 return (0); 1774 } 1775 1776 /* Set up a pipe for a channel. */ 1777 usbd_status 1778 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 1779 { 1780 struct as_info *as = &sc->sc_alts[sc->sc_curaltidx]; 1781 int endpt = as->edesc->bEndpointAddress; 1782 usbd_status err; 1783 1784 DPRINTF(("uaudio_open_chan: endpt=0x%02x, speed=%d, alt=%d\n", 1785 endpt, ch->sample_rate, as->alt)); 1786 1787 /* Set alternate interface corresponding to the mode. */ 1788 err = usbd_set_interface(sc->sc_as_ifaceh, as->alt); 1789 if (err) 1790 return (err); 1791 1792 /* Some devices do not support this request, so ignore errors. */ 1793 #ifdef UAUDIO_DEBUG 1794 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 1795 if (err) 1796 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n", 1797 usbd_errstr(err))); 1798 #else 1799 (void)uaudio_set_speed(sc, endpt, ch->sample_rate); 1800 #endif 1801 1802 DPRINTF(("uaudio_open_chan: create pipe to 0x%02x\n", endpt)); 1803 err = usbd_open_pipe(sc->sc_as_ifaceh, endpt, 0, &ch->pipe); 1804 return (err); 1805 } 1806 1807 void 1808 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 1809 { 1810 if (sc->sc_nullalt >= 0) { 1811 DPRINTF(("uaudio_close_chan: set null alt=%d\n", 1812 sc->sc_nullalt)); 1813 usbd_set_interface(sc->sc_as_ifaceh, sc->sc_nullalt); 1814 } 1815 usbd_abort_pipe(ch->pipe); 1816 usbd_close_pipe(ch->pipe); 1817 } 1818 1819 usbd_status 1820 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 1821 { 1822 usbd_xfer_handle xfer; 1823 void *buf; 1824 int i, size; 1825 1826 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 1827 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 1828 xfer = usbd_alloc_xfer(sc->sc_udev); 1829 if (xfer == 0) 1830 goto bad; 1831 ch->chanbufs[i].xfer = xfer; 1832 buf = usbd_alloc_buffer(xfer, size); 1833 if (buf == 0) { 1834 i++; 1835 goto bad; 1836 } 1837 ch->chanbufs[i].buffer = buf; 1838 ch->chanbufs[i].chan = ch; 1839 } 1840 1841 return (USBD_NORMAL_COMPLETION); 1842 1843 bad: 1844 while (--i >= 0) 1845 /* implicit buffer free */ 1846 usbd_free_xfer(ch->chanbufs[i].xfer); 1847 return (USBD_NOMEM); 1848 } 1849 1850 void 1851 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 1852 { 1853 int i; 1854 1855 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1856 usbd_free_xfer(ch->chanbufs[i].xfer); 1857 } 1858 1859 /* Called at splusb() */ 1860 void 1861 uaudio_chan_ptransfer(struct chan *ch) 1862 { 1863 struct chanbuf *cb; 1864 int i, n, size, residue, total; 1865 1866 if (ch->sc->sc_dying) 1867 return; 1868 1869 /* Pick the next channel buffer. */ 1870 cb = &ch->chanbufs[ch->curchanbuf]; 1871 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1872 ch->curchanbuf = 0; 1873 1874 /* Compute the size of each frame in the next transfer. */ 1875 residue = ch->residue; 1876 total = 0; 1877 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1878 size = ch->bytes_per_frame; 1879 residue += ch->fraction; 1880 if (residue >= USB_FRAMES_PER_SECOND) { 1881 if (!ch->nofrac) 1882 size += ch->sample_size; 1883 residue -= USB_FRAMES_PER_SECOND; 1884 } 1885 cb->sizes[i] = size; 1886 total += size; 1887 } 1888 ch->residue = residue; 1889 cb->size = total; 1890 1891 /* 1892 * Transfer data from upper layer buffer to channel buffer, taking 1893 * care of wrapping the upper layer buffer. 1894 */ 1895 n = min(total, ch->end - ch->cur); 1896 memcpy(cb->buffer, ch->cur, n); 1897 ch->cur += n; 1898 if (ch->cur >= ch->end) 1899 ch->cur = ch->start; 1900 if (total > n) { 1901 total -= n; 1902 memcpy(cb->buffer + n, ch->cur, total); 1903 ch->cur += total; 1904 } 1905 1906 #ifdef UAUDIO_DEBUG 1907 if (uaudiodebug > 8) { 1908 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n", 1909 cb->buffer, ch->residue)); 1910 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1911 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 1912 } 1913 } 1914 #endif 1915 1916 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer)); 1917 /* Fill the request */ 1918 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 1919 UAUDIO_NFRAMES, USBD_NO_COPY, 1920 uaudio_chan_pintr); 1921 1922 (void)usbd_transfer(cb->xfer); 1923 } 1924 1925 void 1926 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv, 1927 usbd_status status) 1928 { 1929 struct chanbuf *cb = priv; 1930 struct chan *ch = cb->chan; 1931 u_int32_t count; 1932 int s; 1933 1934 /* Return if we are aborting. */ 1935 if (status == USBD_CANCELLED) 1936 return; 1937 1938 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 1939 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n", 1940 count, ch->transferred)); 1941 #ifdef DIAGNOSTIC 1942 if (count != cb->size) { 1943 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 1944 count, cb->size); 1945 } 1946 #endif 1947 1948 ch->transferred += cb->size; 1949 s = splaudio(); 1950 /* Call back to upper layer */ 1951 while (ch->transferred >= ch->blksize) { 1952 ch->transferred -= ch->blksize; 1953 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 1954 ch->intr, ch->arg)); 1955 ch->intr(ch->arg); 1956 } 1957 splx(s); 1958 1959 /* start next transfer */ 1960 uaudio_chan_ptransfer(ch); 1961 } 1962 1963 /* Called at splusb() */ 1964 void 1965 uaudio_chan_rtransfer(struct chan *ch) 1966 { 1967 struct chanbuf *cb; 1968 int i, size, residue, total; 1969 1970 if (ch->sc->sc_dying) 1971 return; 1972 1973 /* Pick the next channel buffer. */ 1974 cb = &ch->chanbufs[ch->curchanbuf]; 1975 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1976 ch->curchanbuf = 0; 1977 1978 /* Compute the size of each frame in the next transfer. */ 1979 residue = ch->residue; 1980 total = 0; 1981 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1982 size = ch->bytes_per_frame; 1983 residue += ch->fraction; 1984 if (residue >= USB_FRAMES_PER_SECOND) { 1985 if (!ch->nofrac) 1986 size += ch->sample_size; 1987 residue -= USB_FRAMES_PER_SECOND; 1988 } 1989 cb->sizes[i] = size; 1990 total += size; 1991 } 1992 ch->residue = residue; 1993 cb->size = total; 1994 1995 #ifdef UAUDIO_DEBUG 1996 if (uaudiodebug > 8) { 1997 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n", 1998 cb->buffer, ch->residue)); 1999 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2000 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2001 } 2002 } 2003 #endif 2004 2005 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer)); 2006 /* Fill the request */ 2007 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2008 UAUDIO_NFRAMES, USBD_NO_COPY, 2009 uaudio_chan_rintr); 2010 2011 (void)usbd_transfer(cb->xfer); 2012 } 2013 2014 void 2015 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2016 usbd_status status) 2017 { 2018 struct chanbuf *cb = priv; 2019 struct chan *ch = cb->chan; 2020 u_int32_t count; 2021 int s, n; 2022 2023 /* Return if we are aborting. */ 2024 if (status == USBD_CANCELLED) 2025 return; 2026 2027 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2028 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n", 2029 count, ch->transferred)); 2030 2031 if (count < cb->size) { 2032 /* if the device fails to keep up, copy last byte */ 2033 u_char b = count ? cb->buffer[count-1] : 0; 2034 while (count < cb->size) 2035 cb->buffer[count++] = b; 2036 } 2037 2038 #ifdef DIAGNOSTIC 2039 if (count != cb->size) { 2040 printf("uaudio_chan_rintr: count(%d) != size(%d)\n", 2041 count, cb->size); 2042 } 2043 #endif 2044 2045 /* 2046 * Transfer data from channel buffer to upper layer buffer, taking 2047 * care of wrapping the upper layer buffer. 2048 */ 2049 n = min(count, ch->end - ch->cur); 2050 memcpy(ch->cur, cb->buffer, n); 2051 ch->cur += n; 2052 if (ch->cur >= ch->end) 2053 ch->cur = ch->start; 2054 if (count > n) { 2055 memcpy(ch->cur, cb->buffer + n, count - n); 2056 ch->cur += count - n; 2057 } 2058 2059 /* Call back to upper layer */ 2060 ch->transferred += cb->size; 2061 s = splaudio(); 2062 while (ch->transferred >= ch->blksize) { 2063 ch->transferred -= ch->blksize; 2064 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n", 2065 ch->intr, ch->arg)); 2066 ch->intr(ch->arg); 2067 } 2068 splx(s); 2069 2070 /* start next transfer */ 2071 uaudio_chan_rtransfer(ch); 2072 } 2073 2074 void 2075 uaudio_chan_set_param(struct chan *ch, struct audio_params *param, 2076 u_char *start, u_char *end, int blksize) 2077 { 2078 int samples_per_frame, sample_size; 2079 2080 sample_size = param->precision * param->channels / 8; 2081 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND; 2082 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND; 2083 ch->sample_size = sample_size; 2084 ch->sample_rate = param->sample_rate; 2085 ch->bytes_per_frame = samples_per_frame * sample_size; 2086 ch->residue = 0; 2087 2088 ch->start = start; 2089 ch->end = end; 2090 ch->cur = start; 2091 ch->blksize = blksize; 2092 ch->transferred = 0; 2093 2094 ch->curchanbuf = 0; 2095 } 2096 2097 int 2098 uaudio_set_params(void *addr, int setmode, int usemode, 2099 struct audio_params *p, struct audio_params *r) 2100 { 2101 struct uaudio_softc *sc = addr; 2102 int flags = sc->sc_altflags; 2103 int pfactor, rfactor; 2104 int enc, i, j; 2105 void (*pswcode)(void *, u_char *buf, int cnt); 2106 void (*rswcode)(void *, u_char *buf, int cnt); 2107 2108 if (sc->sc_dying) 2109 return (EIO); 2110 2111 if (sc->sc_chan.pipe != NULL) 2112 return (EBUSY); 2113 2114 pswcode = rswcode = 0; 2115 pfactor = rfactor = 1; 2116 enc = p->encoding; 2117 switch (p->encoding) { 2118 case AUDIO_ENCODING_SLINEAR_BE: 2119 if (p->precision == 16) { 2120 rswcode = pswcode = swap_bytes; 2121 enc = AUDIO_ENCODING_SLINEAR_LE; 2122 } else if (p->precision == 8 && !(flags & HAS_8)) { 2123 pswcode = rswcode = change_sign8; 2124 enc = AUDIO_ENCODING_ULINEAR_LE; 2125 } 2126 break; 2127 case AUDIO_ENCODING_SLINEAR_LE: 2128 if (p->precision == 8 && !(flags & HAS_8)) { 2129 pswcode = rswcode = change_sign8; 2130 enc = AUDIO_ENCODING_ULINEAR_LE; 2131 } 2132 break; 2133 case AUDIO_ENCODING_ULINEAR_BE: 2134 if (p->precision == 16) { 2135 pswcode = swap_bytes_change_sign16_le; 2136 rswcode = change_sign16_swap_bytes_le; 2137 enc = AUDIO_ENCODING_SLINEAR_LE; 2138 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2139 pswcode = rswcode = change_sign8; 2140 enc = AUDIO_ENCODING_SLINEAR_LE; 2141 } 2142 break; 2143 case AUDIO_ENCODING_ULINEAR_LE: 2144 if (p->precision == 16) { 2145 pswcode = rswcode = change_sign16_le; 2146 enc = AUDIO_ENCODING_SLINEAR_LE; 2147 } else if (p->precision == 8 && !(flags & HAS_8U)) { 2148 pswcode = rswcode = change_sign8; 2149 enc = AUDIO_ENCODING_SLINEAR_LE; 2150 } 2151 break; 2152 case AUDIO_ENCODING_ULAW: 2153 if (!(flags & HAS_MULAW)) { 2154 if (flags & HAS_8U) { 2155 pswcode = mulaw_to_ulinear8; 2156 rswcode = ulinear8_to_mulaw; 2157 enc = AUDIO_ENCODING_ULINEAR_LE; 2158 } else if (flags & HAS_8) { 2159 pswcode = mulaw_to_slinear8; 2160 rswcode = slinear8_to_mulaw; 2161 enc = AUDIO_ENCODING_SLINEAR_LE; 2162 } else if (flags & HAS_16) { 2163 pswcode = mulaw_to_slinear16_le; 2164 pfactor = 2; 2165 enc = AUDIO_ENCODING_SLINEAR_LE; 2166 /* XXX recording not handled */ 2167 if (setmode & AUMODE_RECORD) 2168 return (EINVAL); 2169 } else 2170 return (EINVAL); 2171 } 2172 break; 2173 case AUDIO_ENCODING_ALAW: 2174 if (!(flags & HAS_ALAW)) { 2175 if (flags & HAS_8U) { 2176 pswcode = alaw_to_ulinear8; 2177 rswcode = ulinear8_to_alaw; 2178 enc = AUDIO_ENCODING_ULINEAR_LE; 2179 } else if (flags & HAS_8) { 2180 pswcode = alaw_to_slinear8; 2181 rswcode = slinear8_to_alaw; 2182 enc = AUDIO_ENCODING_SLINEAR_LE; 2183 } else if (flags & HAS_16) { 2184 pswcode = alaw_to_slinear16_le; 2185 pfactor = 2; 2186 enc = AUDIO_ENCODING_SLINEAR_LE; 2187 /* XXX recording not handled */ 2188 if (setmode & AUMODE_RECORD) 2189 return (EINVAL); 2190 } else 2191 return (EINVAL); 2192 } 2193 break; 2194 default: 2195 return (EINVAL); 2196 } 2197 /* XXX do some other conversions... */ 2198 2199 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n", 2200 p->channels, p->precision, enc, p->sample_rate)); 2201 2202 for (i = 0; i < sc->sc_nalts; i++) { 2203 struct usb_audio_streaming_type1_descriptor *a1d = 2204 sc->sc_alts[i].asf1desc; 2205 if (p->channels == a1d->bNrChannels && 2206 p->precision ==a1d->bBitResolution && 2207 enc == sc->sc_alts[i].encoding) { 2208 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2209 DPRINTFN(2,("uaudio_set_params: cont %d-%d\n", 2210 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2211 if (UA_SAMP_LO(a1d) < p->sample_rate && 2212 p->sample_rate < UA_SAMP_HI(a1d)) 2213 goto found; 2214 } else { 2215 for (j = 0; j < a1d->bSamFreqType; j++) { 2216 DPRINTFN(2,("uaudio_set_params: disc #" 2217 "%d: %d\n", j, UA_GETSAMP(a1d, 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(struct uaudio_softc *sc, int endpt, u_int speed) 2244 { 2245 usb_device_request_t req; 2246 u_int8_t data[3]; 2247 2248 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed)); 2249 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 2250 req.bRequest = SET_CUR; 2251 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 2252 USETW(req.wIndex, endpt); 2253 USETW(req.wLength, 3); 2254 data[0] = speed; 2255 data[1] = speed >> 8; 2256 data[2] = speed >> 16; 2257 2258 return (usbd_do_request(sc->sc_udev, &req, &data)); 2259 } 2260 2261
Indexes created Wed Sep 24 05:09:52 GMT 2025