uaudio.c revision 1.55
1 /* $NetBSD: uaudio.c,v 1.55 2002/03/23 16:23:20 kent 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/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.55 2002/03/23 16:23:20 kent Exp $"); 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/kernel.h> 52 #include <sys/malloc.h> 53 #include <sys/device.h> 54 #include <sys/ioctl.h> 55 #include <sys/tty.h> 56 #include <sys/file.h> 57 #include <sys/reboot.h> /* for bootverbose */ 58 #include <sys/select.h> 59 #include <sys/proc.h> 60 #include <sys/vnode.h> 61 #include <sys/device.h> 62 #include <sys/poll.h> 63 64 #include <sys/audioio.h> 65 #include <dev/audio_if.h> 66 #include <dev/mulaw.h> 67 #include <dev/auconv.h> 68 69 #include <dev/usb/usb.h> 70 #include <dev/usb/usbdi.h> 71 #include <dev/usb/usbdi_util.h> 72 #include <dev/usb/usb_quirks.h> 73 74 #include <dev/usb/uaudioreg.h> 75 76 #ifdef UAUDIO_DEBUG 77 #define DPRINTF(x) if (uaudiodebug) logprintf x 78 #define DPRINTFN(n,x) if (uaudiodebug>(n)) logprintf x 79 int uaudiodebug = 0; 80 #else 81 #define DPRINTF(x) 82 #define DPRINTFN(n,x) 83 #endif 84 85 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */ 86 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */ 87 88 89 #define MIX_MAX_CHAN 8 90 struct mixerctl { 91 u_int16_t wValue[MIX_MAX_CHAN]; /* using nchan */ 92 u_int16_t wIndex; 93 u_int8_t nchan; 94 u_int8_t type; 95 #define MIX_ON_OFF 1 96 #define MIX_SIGNED_16 2 97 #define MIX_UNSIGNED_16 3 98 #define MIX_SIGNED_8 4 99 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1) 100 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16) 101 int minval, maxval; 102 u_int delta; 103 u_int mul; 104 u_int8_t class; 105 char ctlname[MAX_AUDIO_DEV_LEN]; 106 char *ctlunit; 107 }; 108 #define MAKE(h,l) (((h) << 8) | (l)) 109 110 struct as_info { 111 u_int8_t alt; 112 u_int8_t encoding; 113 u_int8_t attributes; /* Copy of bmAttributes of 114 * usb_audio_streaming_endpoint_descriptor 115 */ 116 usbd_interface_handle ifaceh; 117 usb_interface_descriptor_t *idesc; 118 usb_endpoint_descriptor_audio_t *edesc; 119 struct usb_audio_streaming_type1_descriptor *asf1desc; 120 int sc_busy; /* currently used */ 121 }; 122 123 struct chan { 124 void (*intr)(void *); /* dma completion intr handler */ 125 void *arg; /* arg for intr() */ 126 usbd_pipe_handle pipe; 127 128 u_int sample_size; 129 u_int sample_rate; 130 u_int bytes_per_frame; 131 u_int fraction; /* fraction/1000 is the extra samples/frame */ 132 u_int residue; /* accumulates the fractional samples */ 133 134 u_char *start; /* upper layer buffer start */ 135 u_char *end; /* upper layer buffer end */ 136 u_char *cur; /* current position in upper layer buffer */ 137 int blksize; /* chunk size to report up */ 138 int transferred; /* transferred bytes not reported up */ 139 140 int altidx; /* currently used altidx */ 141 142 int curchanbuf; 143 struct chanbuf { 144 struct chan *chan; 145 usbd_xfer_handle xfer; 146 u_char *buffer; 147 u_int16_t sizes[UAUDIO_NFRAMES]; 148 u_int16_t size; 149 } chanbufs[UAUDIO_NCHANBUFS]; 150 151 struct uaudio_softc *sc; /* our softc */ 152 }; 153 154 struct uaudio_softc { 155 USBBASEDEVICE sc_dev; /* base device */ 156 usbd_device_handle sc_udev; /* USB device */ 157 158 int sc_ac_iface; /* Audio Control interface */ 159 usbd_interface_handle sc_ac_ifaceh; 160 161 struct chan sc_playchan; /* play channel */ 162 struct chan sc_recchan; /* record channel */ 163 164 int sc_nullalt; 165 166 int sc_audio_rev; 167 168 struct as_info *sc_alts; 169 int sc_nalts; 170 171 int sc_altflags; 172 #define HAS_8 0x01 173 #define HAS_16 0x02 174 #define HAS_8U 0x04 175 #define HAS_ALAW 0x08 176 #define HAS_MULAW 0x10 177 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */ 178 #define HAS_24 0x40 179 180 int sc_mode; /* play/record capability */ 181 182 struct mixerctl *sc_ctls; 183 int sc_nctls; 184 185 device_ptr_t sc_audiodev; 186 char sc_dying; 187 }; 188 189 #define UAC_OUTPUT 0 190 #define UAC_INPUT 1 191 #define UAC_EQUAL 2 192 193 Static usbd_status uaudio_identify_ac(struct uaudio_softc *sc, 194 usb_config_descriptor_t *cdesc); 195 Static usbd_status uaudio_identify_as(struct uaudio_softc *sc, 196 usb_config_descriptor_t *cdesc); 197 Static usbd_status uaudio_process_as(struct uaudio_softc *sc, 198 char *buf, int *offsp, int size, 199 usb_interface_descriptor_t *id); 200 201 Static void uaudio_add_alt(struct uaudio_softc *sc, 202 struct as_info *ai); 203 204 Static usb_interface_descriptor_t *uaudio_find_iface(char *buf, 205 int size, int *offsp, int subtype); 206 207 Static void uaudio_mixer_add_ctl(struct uaudio_softc *sc, 208 struct mixerctl *mp); 209 Static char *uaudio_id_name(struct uaudio_softc *sc, 210 usb_descriptor_t **dps, int id); 211 Static struct usb_audio_cluster uaudio_get_cluster(int id, 212 usb_descriptor_t **dps); 213 Static void uaudio_add_input(struct uaudio_softc *sc, 214 usb_descriptor_t *v, usb_descriptor_t **dps); 215 Static void uaudio_add_output(struct uaudio_softc *sc, 216 usb_descriptor_t *v, usb_descriptor_t **dps); 217 Static void uaudio_add_mixer(struct uaudio_softc *sc, 218 usb_descriptor_t *v, usb_descriptor_t **dps); 219 Static void uaudio_add_selector(struct uaudio_softc *sc, 220 usb_descriptor_t *v, usb_descriptor_t **dps); 221 Static void uaudio_add_feature(struct uaudio_softc *sc, 222 usb_descriptor_t *v, usb_descriptor_t **dps); 223 Static void uaudio_add_processing_updown(struct uaudio_softc *sc, 224 usb_descriptor_t *v, usb_descriptor_t **dps); 225 Static void uaudio_add_processing(struct uaudio_softc *sc, 226 usb_descriptor_t *v, usb_descriptor_t **dps); 227 Static void uaudio_add_extension(struct uaudio_softc *sc, 228 usb_descriptor_t *v, usb_descriptor_t **dps); 229 Static usbd_status uaudio_identify(struct uaudio_softc *sc, 230 usb_config_descriptor_t *cdesc); 231 232 Static int uaudio_signext(int type, int val); 233 Static int uaudio_value2bsd(struct mixerctl *mc, int val); 234 Static int uaudio_bsd2value(struct mixerctl *mc, int val); 235 Static int uaudio_get(struct uaudio_softc *sc, int type, 236 int which, int wValue, int wIndex, int len); 237 Static int uaudio_ctl_get(struct uaudio_softc *sc, int which, 238 struct mixerctl *mc, int chan); 239 Static void uaudio_set(struct uaudio_softc *sc, int type, 240 int which, int wValue, int wIndex, int l, int v); 241 Static void uaudio_ctl_set(struct uaudio_softc *sc, int which, 242 struct mixerctl *mc, int chan, int val); 243 244 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int); 245 246 Static usbd_status uaudio_chan_open(struct uaudio_softc *sc, 247 struct chan *ch); 248 Static void uaudio_chan_close(struct uaudio_softc *sc, 249 struct chan *ch); 250 Static usbd_status uaudio_chan_alloc_buffers(struct uaudio_softc *, 251 struct chan *); 252 Static void uaudio_chan_free_buffers(struct uaudio_softc *, 253 struct chan *); 254 Static void uaudio_chan_init(struct chan *, int, 255 const struct audio_params *); 256 Static void uaudio_chan_set_param(struct chan *ch, u_char *start, 257 u_char *end, int blksize); 258 Static void uaudio_chan_ptransfer(struct chan *ch); 259 Static void uaudio_chan_pintr(usbd_xfer_handle xfer, 260 usbd_private_handle priv, usbd_status status); 261 262 Static void uaudio_chan_rtransfer(struct chan *ch); 263 Static void uaudio_chan_rintr(usbd_xfer_handle xfer, 264 usbd_private_handle priv, usbd_status status); 265 266 Static int uaudio_open(void *, int); 267 Static void uaudio_close(void *); 268 Static int uaudio_drain(void *); 269 Static int uaudio_query_encoding(void *, struct audio_encoding *); 270 Static void uaudio_get_minmax_rates(int, const struct as_info *, 271 const struct audio_params *, 272 int, u_long *, u_long *); 273 Static int uaudio_match_alt_sub(int, const struct as_info *, 274 const struct audio_params *, 275 int, u_long); 276 Static int uaudio_match_alt_chan(int, const struct as_info *, 277 struct audio_params *, int); 278 Static int uaudio_match_alt(int, const struct as_info *, 279 struct audio_params *, int); 280 Static int uaudio_set_params(void *, int, int, 281 struct audio_params *, struct audio_params *); 282 Static int uaudio_round_blocksize(void *, int); 283 Static int uaudio_trigger_output(void *, void *, void *, 284 int, void (*)(void *), void *, 285 struct audio_params *); 286 Static int uaudio_trigger_input (void *, void *, void *, 287 int, void (*)(void *), void *, 288 struct audio_params *); 289 Static int uaudio_halt_in_dma(void *); 290 Static int uaudio_halt_out_dma(void *); 291 Static int uaudio_getdev(void *, struct audio_device *); 292 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 293 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 294 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 295 Static int uaudio_get_props(void *); 296 297 Static struct audio_hw_if uaudio_hw_if = { 298 uaudio_open, 299 uaudio_close, 300 uaudio_drain, 301 uaudio_query_encoding, 302 uaudio_set_params, 303 uaudio_round_blocksize, 304 NULL, 305 NULL, 306 NULL, 307 NULL, 308 NULL, 309 uaudio_halt_out_dma, 310 uaudio_halt_in_dma, 311 NULL, 312 uaudio_getdev, 313 NULL, 314 uaudio_mixer_set_port, 315 uaudio_mixer_get_port, 316 uaudio_query_devinfo, 317 NULL, 318 NULL, 319 NULL, 320 NULL, 321 uaudio_get_props, 322 uaudio_trigger_output, 323 uaudio_trigger_input, 324 NULL, 325 }; 326 327 Static struct audio_device uaudio_device = { 328 "USB audio", 329 "", 330 "uaudio" 331 }; 332 333 USB_DECLARE_DRIVER(uaudio); 334 335 USB_MATCH(uaudio) 336 { 337 USB_MATCH_START(uaudio, uaa); 338 usb_interface_descriptor_t *id; 339 340 if (uaa->iface == NULL) 341 return (UMATCH_NONE); 342 343 id = usbd_get_interface_descriptor(uaa->iface); 344 /* Trigger on the control interface. */ 345 if (id == NULL || 346 id->bInterfaceClass != UICLASS_AUDIO || 347 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL || 348 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO)) 349 return (UMATCH_NONE); 350 351 return (UMATCH_IFACECLASS_IFACESUBCLASS); 352 } 353 354 USB_ATTACH(uaudio) 355 { 356 USB_ATTACH_START(uaudio, sc, uaa); 357 usb_interface_descriptor_t *id; 358 usb_config_descriptor_t *cdesc; 359 char devinfo[1024]; 360 usbd_status err; 361 int i, j, found; 362 363 usbd_devinfo(uaa->device, 0, devinfo); 364 printf(": %s\n", devinfo); 365 366 sc->sc_udev = uaa->device; 367 368 cdesc = usbd_get_config_descriptor(sc->sc_udev); 369 if (cdesc == NULL) { 370 printf("%s: failed to get configuration descriptor\n", 371 USBDEVNAME(sc->sc_dev)); 372 USB_ATTACH_ERROR_RETURN; 373 } 374 375 err = uaudio_identify(sc, cdesc); 376 if (err) { 377 printf("%s: audio descriptors make no sense, error=%d\n", 378 USBDEVNAME(sc->sc_dev), err); 379 USB_ATTACH_ERROR_RETURN; 380 } 381 382 sc->sc_ac_ifaceh = uaa->iface; 383 /* Pick up the AS interface. */ 384 for (i = 0; i < uaa->nifaces; i++) { 385 if (uaa->ifaces[i] == NULL) 386 continue; 387 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 388 if (id == NULL) 389 continue; 390 found = 0; 391 for (j = 0; j < sc->sc_nalts; j++) { 392 if (id->bInterfaceNumber == 393 sc->sc_alts[j].idesc->bInterfaceNumber) { 394 sc->sc_alts[j].ifaceh = uaa->ifaces[i]; 395 found = 1; 396 } 397 } 398 if (found) 399 uaa->ifaces[i] = NULL; 400 } 401 402 for (j = 0; j < sc->sc_nalts; j++) { 403 if (sc->sc_alts[j].ifaceh == NULL) { 404 printf("%s: alt %d missing AS interface(s)\n", 405 USBDEVNAME(sc->sc_dev), j); 406 USB_ATTACH_ERROR_RETURN; 407 } 408 } 409 410 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev), 411 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 412 413 sc->sc_playchan.sc = sc->sc_recchan.sc = sc; 414 415 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 416 sc->sc_altflags |= UA_NOFRAC; 417 418 #ifndef UAUDIO_DEBUG 419 if (bootverbose) 420 #endif 421 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev), 422 sc->sc_nctls); 423 424 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 425 USBDEV(sc->sc_dev)); 426 427 DPRINTF(("uaudio_attach: doing audio_attach_mi\n")); 428 #if defined(__OpenBSD__) 429 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 430 #else 431 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 432 #endif 433 434 USB_ATTACH_SUCCESS_RETURN; 435 } 436 437 int 438 uaudio_activate(device_ptr_t self, enum devact act) 439 { 440 struct uaudio_softc *sc = (struct uaudio_softc *)self; 441 int rv = 0; 442 443 switch (act) { 444 case DVACT_ACTIVATE: 445 return (EOPNOTSUPP); 446 break; 447 448 case DVACT_DEACTIVATE: 449 if (sc->sc_audiodev != NULL) 450 rv = config_deactivate(sc->sc_audiodev); 451 sc->sc_dying = 1; 452 break; 453 } 454 return (rv); 455 } 456 457 int 458 uaudio_detach(device_ptr_t self, int flags) 459 { 460 struct uaudio_softc *sc = (struct uaudio_softc *)self; 461 int rv = 0; 462 463 /* Wait for outstanding requests to complete. */ 464 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 465 466 if (sc->sc_audiodev != NULL) 467 rv = config_detach(sc->sc_audiodev, flags); 468 469 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 470 USBDEV(sc->sc_dev)); 471 472 return (rv); 473 } 474 475 int 476 uaudio_query_encoding(void *addr, struct audio_encoding *fp) 477 { 478 struct uaudio_softc *sc = addr; 479 int flags = sc->sc_altflags; 480 int idx; 481 482 if (sc->sc_dying) 483 return (EIO); 484 485 if (sc->sc_nalts == 0 || flags == 0) 486 return (ENXIO); 487 488 idx = fp->index; 489 switch (idx) { 490 case 0: 491 strcpy(fp->name, AudioEulinear); 492 fp->encoding = AUDIO_ENCODING_ULINEAR; 493 fp->precision = 8; 494 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 495 return (0); 496 case 1: 497 strcpy(fp->name, AudioEmulaw); 498 fp->encoding = AUDIO_ENCODING_ULAW; 499 fp->precision = 8; 500 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 501 return (0); 502 case 2: 503 strcpy(fp->name, AudioEalaw); 504 fp->encoding = AUDIO_ENCODING_ALAW; 505 fp->precision = 8; 506 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 507 return (0); 508 case 3: 509 strcpy(fp->name, AudioEslinear); 510 fp->encoding = AUDIO_ENCODING_SLINEAR; 511 fp->precision = 8; 512 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 513 return (0); 514 case 4: 515 strcpy(fp->name, AudioEslinear_le); 516 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 517 fp->precision = 16; 518 fp->flags = 0; 519 return (0); 520 case 5: 521 strcpy(fp->name, AudioEulinear_le); 522 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 523 fp->precision = 16; 524 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 525 return (0); 526 case 6: 527 strcpy(fp->name, AudioEslinear_be); 528 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 529 fp->precision = 16; 530 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 531 return (0); 532 case 7: 533 strcpy(fp->name, AudioEulinear_be); 534 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 535 fp->precision = 16; 536 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 537 return (0); 538 default: 539 return (EINVAL); 540 } 541 } 542 543 usb_interface_descriptor_t * 544 uaudio_find_iface(char *buf, int size, int *offsp, int subtype) 545 { 546 usb_interface_descriptor_t *d; 547 548 while (*offsp < size) { 549 d = (void *)(buf + *offsp); 550 *offsp += d->bLength; 551 if (d->bDescriptorType == UDESC_INTERFACE && 552 d->bInterfaceClass == UICLASS_AUDIO && 553 d->bInterfaceSubClass == subtype) 554 return (d); 555 } 556 return (NULL); 557 } 558 559 void 560 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 561 { 562 int res; 563 size_t len = sizeof(*mc) * (sc->sc_nctls + 1); 564 struct mixerctl *nmc = sc->sc_nctls == 0 ? 565 malloc(len, M_USBDEV, M_NOWAIT) : 566 realloc(sc->sc_ctls, len, M_USBDEV, M_NOWAIT); 567 568 if (nmc == NULL) { 569 printf("uaudio_mixer_add_ctl: no memory\n"); 570 return; 571 } 572 sc->sc_ctls = nmc; 573 574 mc->delta = 0; 575 if (mc->type != MIX_ON_OFF) { 576 /* Determine min and max values. */ 577 mc->minval = uaudio_signext(mc->type, 578 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 579 mc->wValue[0], mc->wIndex, 580 MIX_SIZE(mc->type))); 581 mc->maxval = 1 + uaudio_signext(mc->type, 582 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 583 mc->wValue[0], mc->wIndex, 584 MIX_SIZE(mc->type))); 585 mc->mul = mc->maxval - mc->minval; 586 if (mc->mul == 0) 587 mc->mul = 1; 588 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE, 589 mc->wValue[0], mc->wIndex, 590 MIX_SIZE(mc->type)); 591 if (res > 0) 592 mc->delta = (res * 256 + mc->mul/2) / mc->mul; 593 } else { 594 mc->minval = 0; 595 mc->maxval = 1; 596 } 597 598 sc->sc_ctls[sc->sc_nctls++] = *mc; 599 600 #ifdef UAUDIO_DEBUG 601 if (uaudiodebug > 2) { 602 int i; 603 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0])); 604 for (i = 1; i < mc->nchan; i++) 605 DPRINTF((",%04x", mc->wValue[i])); 606 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' " 607 "min=%d max=%d\n", 608 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 609 mc->minval, mc->maxval)); 610 } 611 #endif 612 } 613 614 char * 615 uaudio_id_name(struct uaudio_softc *sc, usb_descriptor_t **dps, int id) 616 { 617 static char buf[32]; 618 sprintf(buf, "i%d", id); 619 return (buf); 620 } 621 622 struct usb_audio_cluster 623 uaudio_get_cluster(int id, usb_descriptor_t **dps) 624 { 625 struct usb_audio_cluster r; 626 usb_descriptor_t *dp; 627 int i; 628 629 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 630 dp = dps[id]; 631 if (dp == 0) 632 goto bad; 633 switch (dp->bDescriptorSubtype) { 634 case UDESCSUB_AC_INPUT: 635 #define p ((struct usb_audio_input_terminal *)dp) 636 r.bNrChannels = p->bNrChannels; 637 USETW(r.wChannelConfig, UGETW(p->wChannelConfig)); 638 r.iChannelNames = p->iChannelNames; 639 #undef p 640 return (r); 641 case UDESCSUB_AC_OUTPUT: 642 #define p ((struct usb_audio_output_terminal *)dp) 643 id = p->bSourceId; 644 #undef p 645 break; 646 case UDESCSUB_AC_MIXER: 647 #define p ((struct usb_audio_mixer_unit *)dp) 648 r = *(struct usb_audio_cluster *) 649 &p->baSourceId[p->bNrInPins]; 650 #undef p 651 return (r); 652 case UDESCSUB_AC_SELECTOR: 653 /* XXX This is not really right */ 654 #define p ((struct usb_audio_selector_unit *)dp) 655 id = p->baSourceId[0]; 656 #undef p 657 break; 658 case UDESCSUB_AC_FEATURE: 659 #define p ((struct usb_audio_feature_unit *)dp) 660 id = p->bSourceId; 661 #undef p 662 break; 663 case UDESCSUB_AC_PROCESSING: 664 #define p ((struct usb_audio_processing_unit *)dp) 665 r = *(struct usb_audio_cluster *) 666 &p->baSourceId[p->bNrInPins]; 667 #undef p 668 return (r); 669 case UDESCSUB_AC_EXTENSION: 670 #define p ((struct usb_audio_extension_unit *)dp) 671 r = *(struct usb_audio_cluster *) 672 &p->baSourceId[p->bNrInPins]; 673 #undef p 674 return (r); 675 default: 676 goto bad; 677 } 678 } 679 bad: 680 printf("uaudio_get_cluster: bad data\n"); 681 memset(&r, 0, sizeof r); 682 return (r); 683 684 } 685 686 void 687 uaudio_add_input(struct uaudio_softc *sc, usb_descriptor_t *v, 688 usb_descriptor_t **dps) 689 { 690 #ifdef UAUDIO_DEBUG 691 struct usb_audio_input_terminal *d = 692 (struct usb_audio_input_terminal *)v; 693 694 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x " 695 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 696 "iChannelNames=%d iTerminal=%d\n", 697 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 698 d->bNrChannels, UGETW(d->wChannelConfig), 699 d->iChannelNames, d->iTerminal)); 700 #endif 701 } 702 703 void 704 uaudio_add_output(struct uaudio_softc *sc, usb_descriptor_t *v, 705 usb_descriptor_t **dps) 706 { 707 #ifdef UAUDIO_DEBUG 708 struct usb_audio_output_terminal *d = 709 (struct usb_audio_output_terminal *)v; 710 711 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x " 712 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 713 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 714 d->bSourceId, d->iTerminal)); 715 #endif 716 } 717 718 void 719 uaudio_add_mixer(struct uaudio_softc *sc, usb_descriptor_t *v, 720 usb_descriptor_t **dps) 721 { 722 struct usb_audio_mixer_unit *d = (struct usb_audio_mixer_unit *)v; 723 struct usb_audio_mixer_unit_1 *d1; 724 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 725 uByte *bm; 726 struct mixerctl mix; 727 728 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n", 729 d->bUnitId, d->bNrInPins)); 730 731 /* Compute the number of input channels */ 732 ichs = 0; 733 for (i = 0; i < d->bNrInPins; i++) 734 ichs += uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 735 736 /* and the number of output channels */ 737 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 738 ochs = d1->bNrChannels; 739 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs)); 740 741 bm = d1->bmControls; 742 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 743 mix.class = -1; 744 mix.type = MIX_SIGNED_16; 745 mix.ctlunit = AudioNvolume; 746 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 747 for (p = i = 0; i < d->bNrInPins; i++) { 748 chs = uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 749 mc = 0; 750 for (c = 0; c < chs; c++) { 751 mo = 0; 752 for (o = 0; o < ochs; o++) { 753 bno = (p + c) * ochs + o; 754 if (BIT(bno)) 755 mo++; 756 } 757 if (mo == 1) 758 mc++; 759 } 760 if (mc == chs && chs <= MIX_MAX_CHAN) { 761 k = 0; 762 for (c = 0; c < chs; c++) 763 for (o = 0; o < ochs; o++) { 764 bno = (p + c) * ochs + o; 765 if (BIT(bno)) 766 mix.wValue[k++] = 767 MAKE(p+c+1, o+1); 768 } 769 sprintf(mix.ctlname, "mix%d-%s", d->bUnitId, 770 uaudio_id_name(sc, dps, d->baSourceId[i])); 771 mix.nchan = chs; 772 uaudio_mixer_add_ctl(sc, &mix); 773 } else { 774 /* XXX */ 775 } 776 #undef BIT 777 p += chs; 778 } 779 780 } 781 782 void 783 uaudio_add_selector(struct uaudio_softc *sc, usb_descriptor_t *v, 784 usb_descriptor_t **dps) 785 { 786 #ifdef UAUDIO_DEBUG 787 struct usb_audio_selector_unit *d = 788 (struct usb_audio_selector_unit *)v; 789 790 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n", 791 d->bUnitId, d->bNrInPins)); 792 #endif 793 printf("uaudio_add_selector: NOT IMPLEMENTED\n"); 794 } 795 796 void 797 uaudio_add_feature(struct uaudio_softc *sc, usb_descriptor_t *v, 798 usb_descriptor_t **dps) 799 { 800 struct usb_audio_feature_unit *d = (struct usb_audio_feature_unit *)v; 801 uByte *ctls = d->bmaControls; 802 int ctlsize = d->bControlSize; 803 int nchan = (d->bLength - 7) / ctlsize; 804 int srcId = d->bSourceId; 805 u_int fumask, mmask, cmask; 806 struct mixerctl mix; 807 int chan, ctl, i, unit; 808 809 #define GET(i) (ctls[(i)*ctlsize] | \ 810 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 811 812 mmask = GET(0); 813 /* Figure out what we can control */ 814 for (cmask = 0, chan = 1; chan < nchan; chan++) { 815 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n", 816 chan, GET(chan))); 817 cmask |= GET(chan); 818 } 819 820 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d bSourceId=%d, " 821 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 822 d->bUnitId, srcId, nchan, mmask, cmask)); 823 824 if (nchan > MIX_MAX_CHAN) 825 nchan = MIX_MAX_CHAN; 826 unit = d->bUnitId; 827 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 828 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 829 fumask = FU_MASK(ctl); 830 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n", 831 ctl, fumask)); 832 if (mmask & fumask) { 833 mix.nchan = 1; 834 mix.wValue[0] = MAKE(ctl, 0); 835 } else if (cmask & fumask) { 836 mix.nchan = nchan - 1; 837 for (i = 1; i < nchan; i++) { 838 if (GET(i) & fumask) 839 mix.wValue[i-1] = MAKE(ctl, i); 840 else 841 mix.wValue[i-1] = -1; 842 } 843 } else { 844 continue; 845 } 846 #undef GET 847 mix.class = -1; /* XXX */ 848 switch (ctl) { 849 case MUTE_CONTROL: 850 mix.type = MIX_ON_OFF; 851 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 852 uaudio_id_name(sc, dps, srcId), 853 AudioNmute); 854 mix.ctlunit = ""; 855 break; 856 case VOLUME_CONTROL: 857 mix.type = MIX_SIGNED_16; 858 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 859 uaudio_id_name(sc, dps, srcId), 860 AudioNmaster); 861 mix.ctlunit = AudioNvolume; 862 break; 863 case BASS_CONTROL: 864 mix.type = MIX_SIGNED_8; 865 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 866 uaudio_id_name(sc, dps, srcId), 867 AudioNbass); 868 mix.ctlunit = AudioNbass; 869 break; 870 case MID_CONTROL: 871 mix.type = MIX_SIGNED_8; 872 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 873 uaudio_id_name(sc, dps, srcId), 874 AudioNmid); 875 mix.ctlunit = AudioNmid; 876 break; 877 case TREBLE_CONTROL: 878 mix.type = MIX_SIGNED_8; 879 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 880 uaudio_id_name(sc, dps, srcId), 881 AudioNtreble); 882 mix.ctlunit = AudioNtreble; 883 break; 884 case GRAPHIC_EQUALIZER_CONTROL: 885 continue; /* XXX don't add anything */ 886 break; 887 case AGC_CONTROL: 888 mix.type = MIX_ON_OFF; 889 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 890 uaudio_id_name(sc, dps, srcId), 891 AudioNagc); 892 mix.ctlunit = ""; 893 break; 894 case DELAY_CONTROL: 895 mix.type = MIX_UNSIGNED_16; 896 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 897 uaudio_id_name(sc, dps, srcId), 898 AudioNdelay); 899 mix.ctlunit = "4 ms"; 900 break; 901 case BASS_BOOST_CONTROL: 902 mix.type = MIX_ON_OFF; 903 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 904 uaudio_id_name(sc, dps, srcId), 905 AudioNbassboost); 906 mix.ctlunit = ""; 907 break; 908 case LOUDNESS_CONTROL: 909 mix.type = MIX_ON_OFF; 910 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 911 uaudio_id_name(sc, dps, srcId), 912 AudioNloudness); 913 mix.ctlunit = ""; 914 break; 915 } 916 uaudio_mixer_add_ctl(sc, &mix); 917 } 918 } 919 920 void 921 uaudio_add_processing_updown(struct uaudio_softc *sc, usb_descriptor_t *v, 922 usb_descriptor_t **dps) 923 { 924 struct usb_audio_processing_unit *d = 925 (struct usb_audio_processing_unit *)v; 926 struct usb_audio_processing_unit_1 *d1 = 927 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 928 struct usb_audio_processing_unit_updown *ud = 929 (struct usb_audio_processing_unit_updown *) 930 &d1->bmControls[d1->bControlSize]; 931 struct mixerctl mix; 932 int i; 933 934 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n", 935 d->bUnitId, ud->bNrModes)); 936 937 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 938 DPRINTF(("uaudio_add_processing_updown: no mode select\n")); 939 return; 940 } 941 942 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 943 mix.nchan = 1; 944 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 945 mix.class = -1; 946 mix.type = MIX_ON_OFF; /* XXX */ 947 mix.ctlunit = ""; 948 sprintf(mix.ctlname, "pro%d-mode", d->bUnitId); 949 950 for (i = 0; i < ud->bNrModes; i++) { 951 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n", 952 i, UGETW(ud->waModes[i]))); 953 /* XXX */ 954 } 955 uaudio_mixer_add_ctl(sc, &mix); 956 } 957 958 void 959 uaudio_add_processing(struct uaudio_softc *sc, usb_descriptor_t *v, 960 usb_descriptor_t **dps) 961 { 962 struct usb_audio_processing_unit *d = 963 (struct usb_audio_processing_unit *)v; 964 struct usb_audio_processing_unit_1 *d1 = 965 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 966 int ptype = UGETW(d->wProcessType); 967 struct mixerctl mix; 968 969 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d " 970 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins)); 971 972 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 973 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 974 mix.nchan = 1; 975 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 976 mix.class = -1; 977 mix.type = MIX_ON_OFF; 978 mix.ctlunit = ""; 979 sprintf(mix.ctlname, "pro%d.%d-enable", d->bUnitId, ptype); 980 uaudio_mixer_add_ctl(sc, &mix); 981 } 982 983 switch(ptype) { 984 case UPDOWNMIX_PROCESS: 985 uaudio_add_processing_updown(sc, v, dps); 986 break; 987 case DOLBY_PROLOGIC_PROCESS: 988 case P3D_STEREO_EXTENDER_PROCESS: 989 case REVERBATION_PROCESS: 990 case CHORUS_PROCESS: 991 case DYN_RANGE_COMP_PROCESS: 992 default: 993 #ifdef UAUDIO_DEBUG 994 printf("uaudio_add_processing: unit %d, type=%d not impl.\n", 995 d->bUnitId, ptype); 996 #endif 997 break; 998 } 999 } 1000 1001 void 1002 uaudio_add_extension(struct uaudio_softc *sc, usb_descriptor_t *v, 1003 usb_descriptor_t **dps) 1004 { 1005 struct usb_audio_extension_unit *d = 1006 (struct usb_audio_extension_unit *)v; 1007 struct usb_audio_extension_unit_1 *d1 = 1008 (struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins]; 1009 struct mixerctl mix; 1010 1011 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n", 1012 d->bUnitId, d->bNrInPins)); 1013 1014 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 1015 return; 1016 1017 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 1018 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1019 mix.nchan = 1; 1020 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 1021 mix.class = -1; 1022 mix.type = MIX_ON_OFF; 1023 mix.ctlunit = ""; 1024 sprintf(mix.ctlname, "ext%d-enable", d->bUnitId); 1025 uaudio_mixer_add_ctl(sc, &mix); 1026 } 1027 } 1028 1029 usbd_status 1030 uaudio_identify(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1031 { 1032 usbd_status err; 1033 1034 err = uaudio_identify_ac(sc, cdesc); 1035 if (err) 1036 return (err); 1037 return (uaudio_identify_as(sc, cdesc)); 1038 } 1039 1040 void 1041 uaudio_add_alt(struct uaudio_softc *sc, struct as_info *ai) 1042 { 1043 size_t len = sizeof(*ai) * (sc->sc_nalts + 1); 1044 struct as_info *nai = (sc->sc_nalts == 0) ? 1045 malloc(len, M_USBDEV, M_NOWAIT) : 1046 realloc(sc->sc_alts, len, M_USBDEV, M_NOWAIT); 1047 1048 if (nai == NULL) { 1049 printf("uaudio_add_alt: no memory\n"); 1050 return; 1051 } 1052 1053 sc->sc_alts = nai; 1054 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n", 1055 ai->alt, ai->encoding)); 1056 sc->sc_alts[sc->sc_nalts++] = *ai; 1057 } 1058 1059 usbd_status 1060 uaudio_process_as(struct uaudio_softc *sc, char *buf, int *offsp, 1061 int size, usb_interface_descriptor_t *id) 1062 #define offs (*offsp) 1063 { 1064 struct usb_audio_streaming_interface_descriptor *asid; 1065 struct usb_audio_streaming_type1_descriptor *asf1d; 1066 usb_endpoint_descriptor_audio_t *ed; 1067 struct usb_audio_streaming_endpoint_descriptor *sed; 1068 int format, chan, prec, enc; 1069 int dir, type; 1070 struct as_info ai; 1071 1072 asid = (void *)(buf + offs); 1073 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 1074 asid->bDescriptorSubtype != AS_GENERAL) 1075 return (USBD_INVAL); 1076 offs += asid->bLength; 1077 if (offs > size) 1078 return (USBD_INVAL); 1079 asf1d = (void *)(buf + offs); 1080 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 1081 asf1d->bDescriptorSubtype != FORMAT_TYPE) 1082 return (USBD_INVAL); 1083 offs += asf1d->bLength; 1084 if (offs > size) 1085 return (USBD_INVAL); 1086 1087 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1088 printf("%s: ignored setting with type %d format\n", 1089 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag)); 1090 return (USBD_NORMAL_COMPLETION); 1091 } 1092 1093 ed = (void *)(buf + offs); 1094 if (ed->bDescriptorType != UDESC_ENDPOINT) 1095 return (USBD_INVAL); 1096 DPRINTF(("uaudio_process_as: endpoint bLength=%d bDescriptorType=%d " 1097 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d " 1098 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1099 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1100 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1101 ed->bInterval, ed->bRefresh, ed->bSynchAddress)); 1102 offs += ed->bLength; 1103 if (offs > size) 1104 return (USBD_INVAL); 1105 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1106 return (USBD_INVAL); 1107 1108 dir = UE_GET_DIR(ed->bEndpointAddress); 1109 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1110 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1111 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1112 type = UE_ISO_ASYNC; 1113 1114 /* We can't handle endpoints that need a sync pipe yet. */ 1115 if (dir == UE_DIR_IN ? type == UE_ISO_ADAPT : type == UE_ISO_ASYNC) { 1116 printf("%s: ignored %sput endpoint of type %s\n", 1117 USBDEVNAME(sc->sc_dev), 1118 dir == UE_DIR_IN ? "in" : "out", 1119 dir == UE_DIR_IN ? "adaptive" : "async"); 1120 return (USBD_NORMAL_COMPLETION); 1121 } 1122 1123 sed = (void *)(buf + offs); 1124 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1125 sed->bDescriptorSubtype != AS_GENERAL) 1126 return (USBD_INVAL); 1127 offs += sed->bLength; 1128 if (offs > size) 1129 return (USBD_INVAL); 1130 1131 format = UGETW(asid->wFormatTag); 1132 chan = asf1d->bNrChannels; 1133 prec = asf1d->bBitResolution; 1134 if (prec != 8 && prec != 16 && prec != 24) { 1135 printf("%s: ignored setting with precision %d\n", 1136 USBDEVNAME(sc->sc_dev), prec); 1137 return (USBD_NORMAL_COMPLETION); 1138 } 1139 switch (format) { 1140 case UA_FMT_PCM: 1141 if (prec == 8) { 1142 sc->sc_altflags |= HAS_8; 1143 } else if (prec == 16) { 1144 sc->sc_altflags |= HAS_16; 1145 } else if (prec == 24) { 1146 sc->sc_altflags |= HAS_24; 1147 } 1148 enc = AUDIO_ENCODING_SLINEAR_LE; 1149 break; 1150 case UA_FMT_PCM8: 1151 enc = AUDIO_ENCODING_ULINEAR_LE; 1152 sc->sc_altflags |= HAS_8U; 1153 break; 1154 case UA_FMT_ALAW: 1155 enc = AUDIO_ENCODING_ALAW; 1156 sc->sc_altflags |= HAS_ALAW; 1157 break; 1158 case UA_FMT_MULAW: 1159 enc = AUDIO_ENCODING_ULAW; 1160 sc->sc_altflags |= HAS_MULAW; 1161 break; 1162 default: 1163 printf("%s: ignored setting with format %d\n", 1164 USBDEVNAME(sc->sc_dev), format); 1165 return (USBD_NORMAL_COMPLETION); 1166 } 1167 DPRINTFN(1, ("uaudio_process_as: alt=%d enc=%d chan=%d prec=%d\n", 1168 id->bAlternateSetting, enc, chan, prec)); 1169 ai.alt = id->bAlternateSetting; 1170 ai.encoding = enc; 1171 ai.attributes = sed->bmAttributes; 1172 ai.idesc = id; 1173 ai.edesc = ed; 1174 ai.asf1desc = asf1d; 1175 ai.sc_busy = 0; 1176 uaudio_add_alt(sc, &ai); 1177 #ifdef UAUDIO_DEBUG 1178 { 1179 int j; 1180 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 1181 DPRINTFN(1, ("uaudio_process_as: rate=%d-%d\n", 1182 UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d))); 1183 } else { 1184 DPRINTFN(1, ("uaudio_process_as: ")); 1185 for (j = 0; j < asf1d->bSamFreqType; j++) 1186 DPRINTFN(1, (" %d", UA_GETSAMP(asf1d, j))); 1187 DPRINTFN(1, ("\n")); 1188 } 1189 if (ai.attributes & UA_SED_FREQ_CONTROL) 1190 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n")); 1191 if (ai.attributes & UA_SED_PITCH_CONTROL) 1192 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n")); 1193 } 1194 #endif 1195 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD; 1196 1197 return (USBD_NORMAL_COMPLETION); 1198 } 1199 #undef offs 1200 1201 usbd_status 1202 uaudio_identify_as(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1203 { 1204 usb_interface_descriptor_t *id; 1205 usbd_status err; 1206 char *buf; 1207 int size, offs; 1208 1209 size = UGETW(cdesc->wTotalLength); 1210 buf = (char *)cdesc; 1211 1212 /* Locate the AudioStreaming interface descriptor. */ 1213 offs = 0; 1214 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1215 if (id == NULL) 1216 return (USBD_INVAL); 1217 1218 /* Loop through all the alternate settings. */ 1219 while (offs <= size) { 1220 DPRINTFN(2, ("uaudio_identify: interface %d\n", 1221 id->bInterfaceNumber)); 1222 switch (id->bNumEndpoints) { 1223 case 0: 1224 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n", 1225 id->bAlternateSetting)); 1226 sc->sc_nullalt = id->bAlternateSetting; 1227 break; 1228 case 1: 1229 err = uaudio_process_as(sc, buf, &offs, size, id); 1230 break; 1231 default: 1232 #ifdef UAUDIO_DEBUG 1233 printf("%s: ignored audio interface with %d " 1234 "endpoints\n", 1235 USBDEVNAME(sc->sc_dev), id->bNumEndpoints); 1236 #endif 1237 break; 1238 } 1239 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM); 1240 if (id == NULL) 1241 break; 1242 } 1243 if (offs > size) 1244 return (USBD_INVAL); 1245 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts)); 1246 1247 if ((sc->sc_mode & (AUMODE_PLAY | AUMODE_RECORD)) == 0) { 1248 printf("%s: no usable endpoint found\n", 1249 USBDEVNAME(sc->sc_dev)); 1250 return (USBD_INVAL); 1251 } 1252 1253 return (USBD_NORMAL_COMPLETION); 1254 } 1255 1256 usbd_status 1257 uaudio_identify_ac(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1258 { 1259 usb_interface_descriptor_t *id; 1260 struct usb_audio_control_descriptor *acdp; 1261 usb_descriptor_t *dp, *dps[256]; 1262 char *buf, *ibuf, *ibufend; 1263 int size, offs, aclen, ndps, i; 1264 1265 size = UGETW(cdesc->wTotalLength); 1266 buf = (char *)cdesc; 1267 1268 /* Locate the AudioControl interface descriptor. */ 1269 offs = 0; 1270 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1271 if (id == NULL) 1272 return (USBD_INVAL); 1273 if (offs + sizeof *acdp > size) 1274 return (USBD_INVAL); 1275 sc->sc_ac_iface = id->bInterfaceNumber; 1276 DPRINTFN(2,("uaudio_identify: AC interface is %d\n", sc->sc_ac_iface)); 1277 1278 /* A class-specific AC interface header should follow. */ 1279 ibuf = buf + offs; 1280 acdp = (struct usb_audio_control_descriptor *)ibuf; 1281 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1282 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1283 return (USBD_INVAL); 1284 aclen = UGETW(acdp->wTotalLength); 1285 if (offs + aclen > size) 1286 return (USBD_INVAL); 1287 1288 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1289 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1290 return (USBD_INVAL); 1291 1292 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1293 DPRINTFN(2,("uaudio_identify: found AC header, vers=%03x, len=%d\n", 1294 sc->sc_audio_rev, aclen)); 1295 1296 sc->sc_nullalt = -1; 1297 1298 /* Scan through all the AC specific descriptors */ 1299 ibufend = ibuf + aclen; 1300 dp = (usb_descriptor_t *)ibuf; 1301 ndps = 0; 1302 memset(dps, 0, sizeof dps); 1303 for (;;) { 1304 ibuf += dp->bLength; 1305 if (ibuf >= ibufend) 1306 break; 1307 dp = (usb_descriptor_t *)ibuf; 1308 if (ibuf + dp->bLength > ibufend) 1309 return (USBD_INVAL); 1310 if (dp->bDescriptorType != UDESC_CS_INTERFACE) { 1311 printf("uaudio_identify: skip desc type=0x%02x\n", 1312 dp->bDescriptorType); 1313 continue; 1314 } 1315 i = ((struct usb_audio_input_terminal *)dp)->bTerminalId; 1316 dps[i] = dp; 1317 if (i > ndps) 1318 ndps = i; 1319 } 1320 ndps++; 1321 1322 for (i = 0; i < ndps; i++) { 1323 dp = dps[i]; 1324 if (dp == NULL) 1325 continue; 1326 DPRINTF(("uaudio_identify: subtype=%d\n", 1327 dp->bDescriptorSubtype)); 1328 switch (dp->bDescriptorSubtype) { 1329 case UDESCSUB_AC_HEADER: 1330 printf("uaudio_identify: unexpected AC header\n"); 1331 break; 1332 case UDESCSUB_AC_INPUT: 1333 uaudio_add_input(sc, dp, dps); 1334 break; 1335 case UDESCSUB_AC_OUTPUT: 1336 uaudio_add_output(sc, dp, dps); 1337 break; 1338 case UDESCSUB_AC_MIXER: 1339 uaudio_add_mixer(sc, dp, dps); 1340 break; 1341 case UDESCSUB_AC_SELECTOR: 1342 uaudio_add_selector(sc, dp, dps); 1343 break; 1344 case UDESCSUB_AC_FEATURE: 1345 uaudio_add_feature(sc, dp, dps); 1346 break; 1347 case UDESCSUB_AC_PROCESSING: 1348 uaudio_add_processing(sc, dp, dps); 1349 break; 1350 case UDESCSUB_AC_EXTENSION: 1351 uaudio_add_extension(sc, dp, dps); 1352 break; 1353 default: 1354 printf("uaudio_identify: bad AC desc subtype=0x%02x\n", 1355 dp->bDescriptorSubtype); 1356 break; 1357 } 1358 } 1359 return (USBD_NORMAL_COMPLETION); 1360 } 1361 1362 int 1363 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 1364 { 1365 struct uaudio_softc *sc = addr; 1366 struct mixerctl *mc; 1367 int n, nctls; 1368 1369 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index)); 1370 if (sc->sc_dying) 1371 return (EIO); 1372 1373 n = mi->index; 1374 nctls = sc->sc_nctls; 1375 1376 if (n < 0 || n >= nctls) { 1377 switch (n - nctls) { 1378 case UAC_OUTPUT: 1379 mi->type = AUDIO_MIXER_CLASS; 1380 mi->mixer_class = nctls + UAC_OUTPUT; 1381 mi->next = mi->prev = AUDIO_MIXER_LAST; 1382 strcpy(mi->label.name, AudioCoutputs); 1383 return (0); 1384 case UAC_INPUT: 1385 mi->type = AUDIO_MIXER_CLASS; 1386 mi->mixer_class = nctls + UAC_INPUT; 1387 mi->next = mi->prev = AUDIO_MIXER_LAST; 1388 strcpy(mi->label.name, AudioCinputs); 1389 return (0); 1390 case UAC_EQUAL: 1391 mi->type = AUDIO_MIXER_CLASS; 1392 mi->mixer_class = nctls + UAC_EQUAL; 1393 mi->next = mi->prev = AUDIO_MIXER_LAST; 1394 strcpy(mi->label.name, AudioCequalization); 1395 return (0); 1396 default: 1397 return (ENXIO); 1398 } 1399 } 1400 mc = &sc->sc_ctls[n]; 1401 strncpy(mi->label.name, mc->ctlname, MAX_AUDIO_DEV_LEN); 1402 mi->mixer_class = mc->class; 1403 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 1404 switch (mc->type) { 1405 case MIX_ON_OFF: 1406 mi->type = AUDIO_MIXER_ENUM; 1407 mi->un.e.num_mem = 2; 1408 strcpy(mi->un.e.member[0].label.name, AudioNoff); 1409 mi->un.e.member[0].ord = 0; 1410 strcpy(mi->un.e.member[1].label.name, AudioNon); 1411 mi->un.e.member[1].ord = 1; 1412 break; 1413 default: 1414 mi->type = AUDIO_MIXER_VALUE; 1415 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 1416 mi->un.v.num_channels = mc->nchan; 1417 mi->un.v.delta = mc->delta; 1418 break; 1419 } 1420 return (0); 1421 } 1422 1423 int 1424 uaudio_open(void *addr, int flags) 1425 { 1426 struct uaudio_softc *sc = addr; 1427 1428 DPRINTF(("uaudio_open: sc=%p\n", sc)); 1429 if (sc->sc_dying) 1430 return (EIO); 1431 1432 if (sc->sc_mode == 0) 1433 return (ENXIO); 1434 1435 if (flags & FREAD) { 1436 if ((sc->sc_mode & AUMODE_RECORD) == 0) 1437 return (EACCES); 1438 sc->sc_recchan.intr = NULL; 1439 } 1440 1441 if (flags & FWRITE) { 1442 if ((sc->sc_mode & AUMODE_PLAY) == 0) 1443 return (EACCES); 1444 sc->sc_playchan.intr = NULL; 1445 } 1446 1447 return (0); 1448 } 1449 1450 /* 1451 * Close function is called at splaudio(). 1452 */ 1453 void 1454 uaudio_close(void *addr) 1455 { 1456 struct uaudio_softc *sc = addr; 1457 1458 DPRINTF(("uaudio_close: sc=%p\n", sc)); 1459 uaudio_halt_in_dma(sc); 1460 uaudio_halt_out_dma(sc); 1461 1462 sc->sc_playchan.intr = sc->sc_recchan.intr = NULL; 1463 } 1464 1465 int 1466 uaudio_drain(void *addr) 1467 { 1468 struct uaudio_softc *sc = addr; 1469 1470 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 1471 1472 return (0); 1473 } 1474 1475 int 1476 uaudio_halt_out_dma(void *addr) 1477 { 1478 struct uaudio_softc *sc = addr; 1479 1480 DPRINTF(("uaudio_halt_out_dma: enter\n")); 1481 if (sc->sc_playchan.pipe != NULL) { 1482 uaudio_chan_close(sc, &sc->sc_playchan); 1483 sc->sc_playchan.pipe = NULL; 1484 uaudio_chan_free_buffers(sc, &sc->sc_playchan); 1485 } 1486 return (0); 1487 } 1488 1489 int 1490 uaudio_halt_in_dma(void *addr) 1491 { 1492 struct uaudio_softc *sc = addr; 1493 1494 DPRINTF(("uaudio_halt_in_dma: enter\n")); 1495 if (sc->sc_recchan.pipe != NULL) { 1496 uaudio_chan_close(sc, &sc->sc_recchan); 1497 sc->sc_recchan.pipe = NULL; 1498 uaudio_chan_free_buffers(sc, &sc->sc_recchan); 1499 } 1500 return (0); 1501 } 1502 1503 int 1504 uaudio_getdev(void *addr, struct audio_device *retp) 1505 { 1506 struct uaudio_softc *sc = addr; 1507 1508 DPRINTF(("uaudio_mixer_getdev:\n")); 1509 if (sc->sc_dying) 1510 return (EIO); 1511 1512 *retp = uaudio_device; 1513 return (0); 1514 } 1515 1516 /* 1517 * Make sure the block size is large enough to hold all outstanding transfers. 1518 */ 1519 int 1520 uaudio_round_blocksize(void *addr, int blk) 1521 { 1522 struct uaudio_softc *sc = addr; 1523 int bpf; 1524 1525 DPRINTF(("uaudio_round_blocksize: p.bpf=%d r.bpf=%d\n", 1526 sc->sc_playchan.bytes_per_frame, sc->sc_recchan.bytes_per_frame)); 1527 if (sc->sc_playchan.bytes_per_frame > sc->sc_recchan.bytes_per_frame) { 1528 bpf = sc->sc_playchan.bytes_per_frame 1529 + sc->sc_playchan.sample_size; 1530 } else { 1531 bpf = sc->sc_recchan.bytes_per_frame 1532 + sc->sc_recchan.sample_size; 1533 } 1534 /* XXX */ 1535 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 1536 1537 bpf = (bpf + 15) &~ 15; 1538 1539 if (blk < bpf) 1540 blk = bpf; 1541 1542 #ifdef DIAGNOSTIC 1543 if (blk <= 0) { 1544 printf("uaudio_round_blocksize: blk=%d\n", blk); 1545 blk = 512; 1546 } 1547 #endif 1548 1549 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk)); 1550 return (blk); 1551 } 1552 1553 int 1554 uaudio_get_props(void *addr) 1555 { 1556 return (AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT); 1557 1558 } 1559 1560 int 1561 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 1562 int wIndex, int len) 1563 { 1564 usb_device_request_t req; 1565 u_int8_t data[4]; 1566 usbd_status err; 1567 int val; 1568 1569 if (wValue == -1) 1570 return (0); 1571 1572 req.bmRequestType = type; 1573 req.bRequest = which; 1574 USETW(req.wValue, wValue); 1575 USETW(req.wIndex, wIndex); 1576 USETW(req.wLength, len); 1577 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x " 1578 "wIndex=0x%04x len=%d\n", 1579 type, which, wValue, wIndex, len)); 1580 err = usbd_do_request(sc->sc_udev, &req, data); 1581 if (err) { 1582 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err))); 1583 return (-1); 1584 } 1585 switch (len) { 1586 case 1: 1587 val = data[0]; 1588 break; 1589 case 2: 1590 val = data[0] | (data[1] << 8); 1591 break; 1592 default: 1593 DPRINTF(("uaudio_get: bad length=%d\n", len)); 1594 return (-1); 1595 } 1596 DPRINTFN(2,("uaudio_get: val=%d\n", val)); 1597 return (val); 1598 } 1599 1600 void 1601 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 1602 int wIndex, int len, int val) 1603 { 1604 usb_device_request_t req; 1605 u_int8_t data[4]; 1606 usbd_status err; 1607 1608 if (wValue == -1) 1609 return; 1610 1611 req.bmRequestType = type; 1612 req.bRequest = which; 1613 USETW(req.wValue, wValue); 1614 USETW(req.wIndex, wIndex); 1615 USETW(req.wLength, len); 1616 switch (len) { 1617 case 1: 1618 data[0] = val; 1619 break; 1620 case 2: 1621 data[0] = val; 1622 data[1] = val >> 8; 1623 break; 1624 default: 1625 return; 1626 } 1627 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x " 1628 "wIndex=0x%04x len=%d, val=%d\n", 1629 type, which, wValue, wIndex, len, val & 0xffff)); 1630 err = usbd_do_request(sc->sc_udev, &req, data); 1631 #ifdef UAUDIO_DEBUG 1632 if (err) 1633 DPRINTF(("uaudio_set: err=%d\n", err)); 1634 #endif 1635 } 1636 1637 int 1638 uaudio_signext(int type, int val) 1639 { 1640 if (!MIX_UNSIGNED(type)) { 1641 if (MIX_SIZE(type) == 2) 1642 val = (int16_t)val; 1643 else 1644 val = (int8_t)val; 1645 } 1646 return (val); 1647 } 1648 1649 int 1650 uaudio_value2bsd(struct mixerctl *mc, int val) 1651 { 1652 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ", 1653 mc->type, val, mc->minval, mc->maxval)); 1654 if (mc->type == MIX_ON_OFF) 1655 val = (val != 0); 1656 else 1657 val = ((uaudio_signext(mc->type, val) - mc->minval) * 256 1658 + mc->mul/2) / mc->mul; 1659 DPRINTFN(5, ("val'=%d\n", val)); 1660 return (val); 1661 } 1662 1663 int 1664 uaudio_bsd2value(struct mixerctl *mc, int val) 1665 { 1666 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ", 1667 mc->type, val, mc->minval, mc->maxval)); 1668 if (mc->type == MIX_ON_OFF) 1669 val = (val != 0); 1670 else 1671 val = (val + mc->delta/2) * mc->mul / 256 + mc->minval; 1672 DPRINTFN(5, ("val'=%d\n", val)); 1673 return (val); 1674 } 1675 1676 int 1677 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1678 int chan) 1679 { 1680 int val; 1681 1682 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan)); 1683 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 1684 mc->wIndex, MIX_SIZE(mc->type)); 1685 return (uaudio_value2bsd(mc, val)); 1686 } 1687 1688 void 1689 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1690 int chan, int val) 1691 { 1692 val = uaudio_bsd2value(mc, val); 1693 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 1694 mc->wIndex, MIX_SIZE(mc->type), val); 1695 } 1696 1697 int 1698 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1699 { 1700 struct uaudio_softc *sc = addr; 1701 struct mixerctl *mc; 1702 int i, n, vals[MIX_MAX_CHAN], val; 1703 1704 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev)); 1705 1706 if (sc->sc_dying) 1707 return (EIO); 1708 1709 n = cp->dev; 1710 if (n < 0 || n >= sc->sc_nctls) 1711 return (ENXIO); 1712 mc = &sc->sc_ctls[n]; 1713 1714 if (mc->type == MIX_ON_OFF) { 1715 if (cp->type != AUDIO_MIXER_ENUM) 1716 return (EINVAL); 1717 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 1718 } else { 1719 if (cp->type != AUDIO_MIXER_VALUE) 1720 return (EINVAL); 1721 if (cp->un.value.num_channels != 1 && 1722 cp->un.value.num_channels != mc->nchan) 1723 return (EINVAL); 1724 for (i = 0; i < mc->nchan; i++) 1725 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 1726 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 1727 for (val = 0, i = 0; i < mc->nchan; i++) 1728 val += vals[i]; 1729 vals[0] = val / mc->nchan; 1730 } 1731 for (i = 0; i < cp->un.value.num_channels; i++) 1732 cp->un.value.level[i] = vals[i]; 1733 } 1734 1735 return (0); 1736 } 1737 1738 int 1739 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1740 { 1741 struct uaudio_softc *sc = addr; 1742 struct mixerctl *mc; 1743 int i, n, vals[MIX_MAX_CHAN]; 1744 1745 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev)); 1746 if (sc->sc_dying) 1747 return (EIO); 1748 1749 n = cp->dev; 1750 if (n < 0 || n >= sc->sc_nctls) 1751 return (ENXIO); 1752 mc = &sc->sc_ctls[n]; 1753 1754 if (mc->type == MIX_ON_OFF) { 1755 if (cp->type != AUDIO_MIXER_ENUM) 1756 return (EINVAL); 1757 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 1758 } else { 1759 if (cp->type != AUDIO_MIXER_VALUE) 1760 return (EINVAL); 1761 if (cp->un.value.num_channels == 1) 1762 for (i = 0; i < mc->nchan; i++) 1763 vals[i] = cp->un.value.level[0]; 1764 else if (cp->un.value.num_channels == mc->nchan) 1765 for (i = 0; i < mc->nchan; i++) 1766 vals[i] = cp->un.value.level[i]; 1767 else 1768 return (EINVAL); 1769 for (i = 0; i < mc->nchan; i++) 1770 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 1771 } 1772 return (0); 1773 } 1774 1775 int 1776 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1777 void (*intr)(void *), void *arg, 1778 struct audio_params *param) 1779 { 1780 struct uaudio_softc *sc = addr; 1781 struct chan *ch = &sc->sc_recchan; 1782 usbd_status err; 1783 int i, s; 1784 1785 if (sc->sc_dying) 1786 return (EIO); 1787 1788 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p " 1789 "blksize=%d\n", sc, start, end, blksize)); 1790 1791 uaudio_chan_set_param(ch, start, end, blksize); 1792 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d " 1793 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1794 ch->fraction)); 1795 1796 err = uaudio_chan_alloc_buffers(sc, ch); 1797 if (err) 1798 return (EIO); 1799 1800 err = uaudio_chan_open(sc, ch); 1801 if (err) { 1802 uaudio_chan_free_buffers(sc, ch); 1803 return (EIO); 1804 } 1805 1806 ch->intr = intr; 1807 ch->arg = arg; 1808 1809 s = splusb(); 1810 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */ 1811 uaudio_chan_rtransfer(ch); 1812 splx(s); 1813 1814 return (0); 1815 } 1816 1817 int 1818 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 1819 void (*intr)(void *), void *arg, 1820 struct audio_params *param) 1821 { 1822 struct uaudio_softc *sc = addr; 1823 struct chan *ch = &sc->sc_playchan; 1824 usbd_status err; 1825 int i, s; 1826 1827 if (sc->sc_dying) 1828 return (EIO); 1829 1830 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p " 1831 "blksize=%d\n", sc, start, end, blksize)); 1832 1833 uaudio_chan_set_param(ch, start, end, blksize); 1834 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d " 1835 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1836 ch->fraction)); 1837 1838 err = uaudio_chan_alloc_buffers(sc, ch); 1839 if (err) 1840 return (EIO); 1841 1842 err = uaudio_chan_open(sc, ch); 1843 if (err) { 1844 uaudio_chan_free_buffers(sc, ch); 1845 return (EIO); 1846 } 1847 1848 ch->intr = intr; 1849 ch->arg = arg; 1850 1851 s = splusb(); 1852 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */ 1853 uaudio_chan_ptransfer(ch); 1854 splx(s); 1855 1856 return (0); 1857 } 1858 1859 /* Set up a pipe for a channel. */ 1860 usbd_status 1861 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 1862 { 1863 struct as_info *as = &sc->sc_alts[ch->altidx]; 1864 int endpt = as->edesc->bEndpointAddress; 1865 usbd_status err; 1866 1867 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n", 1868 endpt, ch->sample_rate, as->alt)); 1869 1870 /* Set alternate interface corresponding to the mode. */ 1871 err = usbd_set_interface(as->ifaceh, as->alt); 1872 if (err) 1873 return (err); 1874 1875 /* Some devices do not support this request, so ignore errors. */ 1876 #ifdef UAUDIO_DEBUG 1877 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 1878 if (err) 1879 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n", 1880 usbd_errstr(err))); 1881 #else 1882 (void)uaudio_set_speed(sc, endpt, ch->sample_rate); 1883 #endif 1884 1885 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt)); 1886 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe); 1887 return (err); 1888 } 1889 1890 void 1891 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 1892 { 1893 struct as_info *as = &sc->sc_alts[ch->altidx]; 1894 1895 if (sc->sc_nullalt >= 0) { 1896 DPRINTF(("uaudio_chan_close: set null alt=%d\n", 1897 sc->sc_nullalt)); 1898 usbd_set_interface(as->ifaceh, sc->sc_nullalt); 1899 } 1900 usbd_abort_pipe(ch->pipe); 1901 usbd_close_pipe(ch->pipe); 1902 } 1903 1904 usbd_status 1905 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 1906 { 1907 usbd_xfer_handle xfer; 1908 void *buf; 1909 int i, size; 1910 1911 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 1912 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 1913 xfer = usbd_alloc_xfer(sc->sc_udev); 1914 if (xfer == 0) 1915 goto bad; 1916 ch->chanbufs[i].xfer = xfer; 1917 buf = usbd_alloc_buffer(xfer, size); 1918 if (buf == 0) { 1919 i++; 1920 goto bad; 1921 } 1922 ch->chanbufs[i].buffer = buf; 1923 ch->chanbufs[i].chan = ch; 1924 } 1925 1926 return (USBD_NORMAL_COMPLETION); 1927 1928 bad: 1929 while (--i >= 0) 1930 /* implicit buffer free */ 1931 usbd_free_xfer(ch->chanbufs[i].xfer); 1932 return (USBD_NOMEM); 1933 } 1934 1935 void 1936 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 1937 { 1938 int i; 1939 1940 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1941 usbd_free_xfer(ch->chanbufs[i].xfer); 1942 } 1943 1944 /* Called at splusb() */ 1945 void 1946 uaudio_chan_ptransfer(struct chan *ch) 1947 { 1948 struct chanbuf *cb; 1949 int i, n, size, residue, total; 1950 1951 if (ch->sc->sc_dying) 1952 return; 1953 1954 /* Pick the next channel buffer. */ 1955 cb = &ch->chanbufs[ch->curchanbuf]; 1956 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1957 ch->curchanbuf = 0; 1958 1959 /* Compute the size of each frame in the next transfer. */ 1960 residue = ch->residue; 1961 total = 0; 1962 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1963 size = ch->bytes_per_frame; 1964 residue += ch->fraction; 1965 if (residue >= USB_FRAMES_PER_SECOND) { 1966 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 1967 size += ch->sample_size; 1968 residue -= USB_FRAMES_PER_SECOND; 1969 } 1970 cb->sizes[i] = size; 1971 total += size; 1972 } 1973 ch->residue = residue; 1974 cb->size = total; 1975 1976 /* 1977 * Transfer data from upper layer buffer to channel buffer, taking 1978 * care of wrapping the upper layer buffer. 1979 */ 1980 n = min(total, ch->end - ch->cur); 1981 memcpy(cb->buffer, ch->cur, n); 1982 ch->cur += n; 1983 if (ch->cur >= ch->end) 1984 ch->cur = ch->start; 1985 if (total > n) { 1986 total -= n; 1987 memcpy(cb->buffer + n, ch->cur, total); 1988 ch->cur += total; 1989 } 1990 1991 #ifdef UAUDIO_DEBUG 1992 if (uaudiodebug > 8) { 1993 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n", 1994 cb->buffer, ch->residue)); 1995 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1996 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 1997 } 1998 } 1999 #endif 2000 2001 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer)); 2002 /* Fill the request */ 2003 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2004 UAUDIO_NFRAMES, USBD_NO_COPY, 2005 uaudio_chan_pintr); 2006 2007 (void)usbd_transfer(cb->xfer); 2008 } 2009 2010 void 2011 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2012 usbd_status status) 2013 { 2014 struct chanbuf *cb = priv; 2015 struct chan *ch = cb->chan; 2016 u_int32_t count; 2017 int s; 2018 2019 /* Return if we are aborting. */ 2020 if (status == USBD_CANCELLED) 2021 return; 2022 2023 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2024 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n", 2025 count, ch->transferred)); 2026 #ifdef DIAGNOSTIC 2027 if (count != cb->size) { 2028 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 2029 count, cb->size); 2030 } 2031 #endif 2032 2033 ch->transferred += cb->size; 2034 s = splaudio(); 2035 /* Call back to upper layer */ 2036 while (ch->transferred >= ch->blksize) { 2037 ch->transferred -= ch->blksize; 2038 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 2039 ch->intr, ch->arg)); 2040 ch->intr(ch->arg); 2041 } 2042 splx(s); 2043 2044 /* start next transfer */ 2045 uaudio_chan_ptransfer(ch); 2046 } 2047 2048 /* Called at splusb() */ 2049 void 2050 uaudio_chan_rtransfer(struct chan *ch) 2051 { 2052 struct chanbuf *cb; 2053 int i, size, residue, total; 2054 2055 if (ch->sc->sc_dying) 2056 return; 2057 2058 /* Pick the next channel buffer. */ 2059 cb = &ch->chanbufs[ch->curchanbuf]; 2060 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2061 ch->curchanbuf = 0; 2062 2063 /* Compute the size of each frame in the next transfer. */ 2064 residue = ch->residue; 2065 total = 0; 2066 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2067 size = ch->bytes_per_frame; 2068 residue += ch->fraction; 2069 if (residue >= USB_FRAMES_PER_SECOND) { 2070 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 2071 size += ch->sample_size; 2072 residue -= USB_FRAMES_PER_SECOND; 2073 } 2074 cb->sizes[i] = size; 2075 total += size; 2076 } 2077 ch->residue = residue; 2078 cb->size = total; 2079 2080 #ifdef UAUDIO_DEBUG 2081 if (uaudiodebug > 8) { 2082 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n", 2083 cb->buffer, ch->residue)); 2084 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2085 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2086 } 2087 } 2088 #endif 2089 2090 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer)); 2091 /* Fill the request */ 2092 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2093 UAUDIO_NFRAMES, USBD_NO_COPY, 2094 uaudio_chan_rintr); 2095 2096 (void)usbd_transfer(cb->xfer); 2097 } 2098 2099 void 2100 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2101 usbd_status status) 2102 { 2103 struct chanbuf *cb = priv; 2104 struct chan *ch = cb->chan; 2105 u_int32_t count; 2106 int s, n; 2107 2108 /* Return if we are aborting. */ 2109 if (status == USBD_CANCELLED) 2110 return; 2111 2112 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2113 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n", 2114 count, ch->transferred)); 2115 2116 if (count < cb->size) { 2117 /* if the device fails to keep up, copy last byte */ 2118 u_char b = count ? cb->buffer[count-1] : 0; 2119 while (count < cb->size) 2120 cb->buffer[count++] = b; 2121 } 2122 2123 #ifdef DIAGNOSTIC 2124 if (count != cb->size) { 2125 printf("uaudio_chan_rintr: count(%d) != size(%d)\n", 2126 count, cb->size); 2127 } 2128 #endif 2129 2130 /* 2131 * Transfer data from channel buffer to upper layer buffer, taking 2132 * care of wrapping the upper layer buffer. 2133 */ 2134 n = min(count, ch->end - ch->cur); 2135 memcpy(ch->cur, cb->buffer, n); 2136 ch->cur += n; 2137 if (ch->cur >= ch->end) 2138 ch->cur = ch->start; 2139 if (count > n) { 2140 memcpy(ch->cur, cb->buffer + n, count - n); 2141 ch->cur += count - n; 2142 } 2143 2144 /* Call back to upper layer */ 2145 ch->transferred += cb->size; 2146 s = splaudio(); 2147 while (ch->transferred >= ch->blksize) { 2148 ch->transferred -= ch->blksize; 2149 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n", 2150 ch->intr, ch->arg)); 2151 ch->intr(ch->arg); 2152 } 2153 splx(s); 2154 2155 /* start next transfer */ 2156 uaudio_chan_rtransfer(ch); 2157 } 2158 2159 void 2160 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param) 2161 { 2162 int samples_per_frame, sample_size; 2163 2164 ch->altidx = altidx; 2165 sample_size = param->precision * param->factor * param->hw_channels / 8; 2166 samples_per_frame = param->hw_sample_rate / USB_FRAMES_PER_SECOND; 2167 ch->fraction = param->hw_sample_rate % USB_FRAMES_PER_SECOND; 2168 ch->sample_size = sample_size; 2169 ch->sample_rate = param->hw_sample_rate; 2170 ch->bytes_per_frame = samples_per_frame * sample_size; 2171 ch->residue = 0; 2172 } 2173 2174 void 2175 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize) 2176 { 2177 ch->start = start; 2178 ch->end = end; 2179 ch->cur = start; 2180 ch->blksize = blksize; 2181 ch->transferred = 0; 2182 2183 ch->curchanbuf = 0; 2184 } 2185 2186 void 2187 uaudio_get_minmax_rates(int nalts, const struct as_info *alts, 2188 const struct audio_params *p, int mode, 2189 u_long *min, u_long *max) 2190 { 2191 int i, j; 2192 struct usb_audio_streaming_type1_descriptor *a1d; 2193 2194 *min = ULONG_MAX; 2195 *max = 0; 2196 for (i = 0; i < nalts; i++) { 2197 a1d = alts[i].asf1desc; 2198 if (alts[i].sc_busy) 2199 continue; 2200 if (p->hw_channels != a1d->bNrChannels) 2201 continue; 2202 if (p->hw_precision != a1d->bBitResolution) 2203 continue; 2204 if (p->hw_encoding != alts[i].encoding) 2205 continue; 2206 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress)) 2207 continue; 2208 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2209 DPRINTFN(2,("uaudio_get_minmax_rates: cont %d-%d\n", 2210 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2211 if (UA_SAMP_LO(a1d) < *min) 2212 *min = UA_SAMP_LO(a1d); 2213 if (UA_SAMP_HI(a1d) > *max) 2214 *max = UA_SAMP_HI(a1d); 2215 } else { 2216 for (j = 0; j < a1d->bSamFreqType; j++) { 2217 DPRINTFN(2,("uaudio_get_minmax_rates: disc #%d: %d\n", 2218 j, UA_GETSAMP(a1d, j))); 2219 if (UA_GETSAMP(a1d, j) < *min) 2220 *min = UA_GETSAMP(a1d, j); 2221 if (UA_GETSAMP(a1d, j) > *max) 2222 *max = UA_GETSAMP(a1d, j); 2223 } 2224 } 2225 } 2226 } 2227 2228 int 2229 uaudio_match_alt_sub(int nalts, const struct as_info *alts, 2230 const struct audio_params *p, int mode, u_long rate) 2231 { 2232 int i, j; 2233 struct usb_audio_streaming_type1_descriptor *a1d; 2234 2235 DPRINTF(("uaudio_match_alt_sub: search for %luHz %dch\n", 2236 rate, p->hw_channels)); 2237 for (i = 0; i < nalts; i++) { 2238 a1d = alts[i].asf1desc; 2239 if (alts[i].sc_busy) 2240 continue; 2241 if (p->hw_channels != a1d->bNrChannels) 2242 continue; 2243 if (p->hw_precision != a1d->bBitResolution) 2244 continue; 2245 if (p->hw_encoding != alts[i].encoding) 2246 continue; 2247 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress)) 2248 continue; 2249 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2250 DPRINTFN(2,("uaudio_match_alt_sub: cont %d-%d\n", 2251 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2252 if (UA_SAMP_LO(a1d) < rate && rate < UA_SAMP_HI(a1d)) 2253 return i; 2254 } else { 2255 for (j = 0; j < a1d->bSamFreqType; j++) { 2256 DPRINTFN(2,("uaudio_match_alt_sub: disc #%d: %d\n", 2257 j, UA_GETSAMP(a1d, j))); 2258 /* XXX allow for some slack */ 2259 if (UA_GETSAMP(a1d, j) == rate) 2260 return i; 2261 } 2262 } 2263 } 2264 return -1; 2265 } 2266 2267 int 2268 uaudio_match_alt_chan(int nalts, const struct as_info *alts, 2269 struct audio_params *p, int mode) 2270 { 2271 int i, n; 2272 u_long min, max; 2273 u_long rate; 2274 2275 /* Exact match */ 2276 DPRINTF(("uaudio_match_alt_chan: examine %ldHz %dch %dbit.\n", 2277 p->sample_rate, p->hw_channels, p->hw_precision)); 2278 i = uaudio_match_alt_sub(nalts, alts, p, mode, p->sample_rate); 2279 if (i >= 0) 2280 return i; 2281 2282 uaudio_get_minmax_rates(nalts, alts, p, mode, &min, &max); 2283 DPRINTF(("uaudio_match_alt_chan: min=%lu max=%lu\n", min, max)); 2284 if (max <= 0) 2285 return -1; 2286 /* Search for biggers */ 2287 n = 2; 2288 while ((rate = p->sample_rate * n++) <= max) { 2289 i = uaudio_match_alt_sub(nalts, alts, p, mode, rate); 2290 if (i >= 0) { 2291 p->hw_sample_rate = rate; 2292 return i; 2293 } 2294 } 2295 if (p->sample_rate >= min) { 2296 i = uaudio_match_alt_sub(nalts, alts, p, mode, max); 2297 if (i >= 0) { 2298 p->hw_sample_rate = max; 2299 return i; 2300 } 2301 } else { 2302 i = uaudio_match_alt_sub(nalts, alts, p, mode, min); 2303 if (i >= 0) { 2304 p->hw_sample_rate = min; 2305 return i; 2306 } 2307 } 2308 return -1; 2309 } 2310 2311 int 2312 uaudio_match_alt(int nalts, const struct as_info *alts, 2313 struct audio_params *p, int mode) 2314 { 2315 int i, n; 2316 2317 mode = mode == AUMODE_PLAY ? UE_DIR_OUT : UE_DIR_IN; 2318 i = uaudio_match_alt_chan(nalts, alts, p, mode); 2319 if (i >= 0) 2320 return i; 2321 2322 for (n = p->channels + 1; n <= AUDIO_MAX_CHANNELS; n++) { 2323 p->hw_channels = n; 2324 i = uaudio_match_alt_chan(nalts, alts, p, mode); 2325 if (i >= 0) 2326 return i; 2327 } 2328 2329 if (p->channels != 2) 2330 return -1; 2331 p->hw_channels = 1; 2332 return uaudio_match_alt_chan(nalts, alts, p, mode); 2333 } 2334 2335 int 2336 uaudio_set_params(void *addr, int setmode, int usemode, 2337 struct audio_params *play, struct audio_params *rec) 2338 { 2339 struct uaudio_softc *sc = addr; 2340 int flags = sc->sc_altflags; 2341 int factor; 2342 int enc, i; 2343 int paltidx=-1, raltidx=-1; 2344 void (*swcode)(void *, u_char *buf, int cnt); 2345 struct audio_params *p; 2346 int mode; 2347 2348 if (sc->sc_dying) 2349 return (EIO); 2350 2351 if ((mode == AUMODE_RECORD && sc->sc_recchan.pipe != NULL) 2352 || (mode == AUMODE_PLAY && sc->sc_playchan.pipe != NULL)) 2353 return (EBUSY); 2354 2355 if (usemode & AUMODE_PLAY && sc->sc_playchan.altidx != -1) 2356 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0; 2357 if (usemode & AUMODE_RECORD && sc->sc_recchan.altidx != -1) 2358 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0; 2359 2360 for (mode = AUMODE_RECORD; mode != -1; 2361 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 2362 if ((setmode & mode) == 0) 2363 continue; 2364 2365 if ((sc->sc_mode & mode) == 0) 2366 continue; 2367 2368 p = (mode == AUMODE_PLAY) ? play : rec; 2369 2370 factor = 1; 2371 swcode = 0; 2372 enc = p->encoding; 2373 switch (enc) { 2374 case AUDIO_ENCODING_SLINEAR_BE: 2375 /* FALLTHROUGH */ 2376 case AUDIO_ENCODING_SLINEAR_LE: 2377 if (enc == AUDIO_ENCODING_SLINEAR_BE 2378 && p->precision == 16 && (flags & HAS_16)) { 2379 swcode = swap_bytes; 2380 enc = AUDIO_ENCODING_SLINEAR_LE; 2381 } else if (p->precision == 8) { 2382 if (flags & HAS_8) { 2383 /* No conversion */ 2384 } else if (flags & HAS_8U) { 2385 swcode = change_sign8; 2386 enc = AUDIO_ENCODING_ULINEAR_LE; 2387 } else if (flags & HAS_16) { 2388 factor = 2; 2389 p->hw_precision = 16; 2390 if (mode == AUMODE_PLAY) 2391 swcode = linear8_to_linear16_le; 2392 else 2393 swcode = linear16_to_linear8_le; 2394 } 2395 } 2396 break; 2397 case AUDIO_ENCODING_ULINEAR_BE: 2398 /* FALLTHROUGH */ 2399 case AUDIO_ENCODING_ULINEAR_LE: 2400 if (p->precision == 16) { 2401 if (enc == AUDIO_ENCODING_ULINEAR_LE) 2402 swcode = change_sign16_le; 2403 else if (mode == AUMODE_PLAY) 2404 swcode = swap_bytes_change_sign16_le; 2405 else 2406 swcode = change_sign16_swap_bytes_le; 2407 enc = AUDIO_ENCODING_SLINEAR_LE; 2408 } else if (p->precision == 8) { 2409 if (flags & HAS_8U) { 2410 /* No conversion */ 2411 } else if (flags & HAS_8) { 2412 swcode = change_sign8; 2413 enc = AUDIO_ENCODING_SLINEAR_LE; 2414 } else if (flags & HAS_16) { 2415 factor = 2; 2416 p->hw_precision = 16; 2417 enc = AUDIO_ENCODING_SLINEAR_LE; 2418 if (mode == AUMODE_PLAY) 2419 swcode = ulinear8_to_slinear16_le; 2420 else 2421 swcode = slinear16_to_ulinear8_le; 2422 } 2423 } 2424 break; 2425 case AUDIO_ENCODING_ULAW: 2426 if (flags & HAS_MULAW) 2427 break; 2428 if (flags & HAS_16) { 2429 if (mode == AUMODE_PLAY) 2430 swcode = mulaw_to_slinear16_le; 2431 else 2432 swcode = slinear16_to_mulaw_le; 2433 factor = 2; 2434 enc = AUDIO_ENCODING_SLINEAR_LE; 2435 p->hw_precision = 16; 2436 } else if (flags & HAS_8U) { 2437 if (mode == AUMODE_PLAY) 2438 swcode = mulaw_to_ulinear8; 2439 else 2440 swcode = ulinear8_to_mulaw; 2441 enc = AUDIO_ENCODING_ULINEAR_LE; 2442 } else if (flags & HAS_8) { 2443 if (mode == AUMODE_PLAY) 2444 swcode = mulaw_to_slinear8; 2445 else 2446 swcode = slinear8_to_mulaw; 2447 enc = AUDIO_ENCODING_SLINEAR_LE; 2448 } else 2449 return (EINVAL); 2450 break; 2451 case AUDIO_ENCODING_ALAW: 2452 if (flags & HAS_ALAW) 2453 break; 2454 if (mode == AUMODE_PLAY && (flags & HAS_16)) { 2455 swcode = alaw_to_slinear16_le; 2456 factor = 2; 2457 enc = AUDIO_ENCODING_SLINEAR_LE; 2458 p->hw_precision = 16; 2459 } else if (flags & HAS_8U) { 2460 if (mode == AUMODE_PLAY) 2461 swcode = alaw_to_ulinear8; 2462 else 2463 swcode = ulinear8_to_alaw; 2464 enc = AUDIO_ENCODING_ULINEAR_LE; 2465 } else if (flags & HAS_8) { 2466 if (mode == AUMODE_PLAY) 2467 swcode = alaw_to_slinear8; 2468 else 2469 swcode = slinear8_to_alaw; 2470 enc = AUDIO_ENCODING_SLINEAR_LE; 2471 } else 2472 return (EINVAL); 2473 break; 2474 default: 2475 return (EINVAL); 2476 } 2477 /* XXX do some other conversions... */ 2478 2479 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n", 2480 p->channels, p->hw_precision, enc, p->sample_rate)); 2481 2482 p->hw_encoding = enc; 2483 i = uaudio_match_alt(sc->sc_nalts, sc->sc_alts, p, mode); 2484 if (i < 0) 2485 return (EINVAL); 2486 2487 p->sw_code = swcode; 2488 p->factor = factor; 2489 if (usemode & mode) { 2490 if (mode == AUMODE_PLAY) { 2491 paltidx = i; 2492 sc->sc_alts[i].sc_busy = 1; 2493 } else { 2494 raltidx = i; 2495 sc->sc_alts[i].sc_busy = 1; 2496 } 2497 } 2498 } 2499 2500 if ((usemode & AUMODE_PLAY) /*&& paltidx != sc->sc_playchan.altidx*/) { 2501 /* XXX abort transfer if currently happening? */ 2502 uaudio_chan_init(&sc->sc_playchan, paltidx, play); 2503 } 2504 if ((usemode & AUMODE_RECORD) /*&& raltidx != sc->sc_recchan.altidx*/) { 2505 /* XXX abort transfer if currently happening? */ 2506 uaudio_chan_init(&sc->sc_playchan, raltidx, play); 2507 } 2508 2509 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n", 2510 sc->sc_playchan.altidx, sc->sc_recchan.altidx, 2511 (sc->sc_playchan.altidx >= 0) 2512 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting 2513 : -1, 2514 (sc->sc_recchan.altidx >= 0) 2515 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting 2516 : -1)); 2517 2518 return (0); 2519 } 2520 2521 usbd_status 2522 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed) 2523 { 2524 usb_device_request_t req; 2525 u_int8_t data[3]; 2526 2527 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed)); 2528 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 2529 req.bRequest = SET_CUR; 2530 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 2531 USETW(req.wIndex, endpt); 2532 USETW(req.wLength, 3); 2533 data[0] = speed; 2534 data[1] = speed >> 8; 2535 data[2] = speed >> 16; 2536 2537 return (usbd_do_request(sc->sc_udev, &req, data)); 2538 } 2539 2540
Indexes created Tue Sep 23 14:10:03 GMT 2025