uaudio.c revision 1.63
1 /* $NetBSD: uaudio.c,v 1.63 2003/02/16 18:16:07 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/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.63 2003/02/16 18:16:07 augustss 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 offsets[UAUDIO_NFRAMES]; 149 u_int16_t size; 150 } chanbufs[UAUDIO_NCHANBUFS]; 151 152 struct uaudio_softc *sc; /* our softc */ 153 }; 154 155 struct uaudio_softc { 156 USBBASEDEVICE sc_dev; /* base device */ 157 usbd_device_handle sc_udev; /* USB device */ 158 159 int sc_ac_iface; /* Audio Control interface */ 160 usbd_interface_handle sc_ac_ifaceh; 161 162 struct chan sc_playchan; /* play channel */ 163 struct chan sc_recchan; /* record channel */ 164 165 int sc_nullalt; 166 167 int sc_audio_rev; 168 169 struct as_info *sc_alts; 170 int sc_nalts; 171 172 int sc_altflags; 173 #define HAS_8 0x01 174 #define HAS_16 0x02 175 #define HAS_8U 0x04 176 #define HAS_ALAW 0x08 177 #define HAS_MULAW 0x10 178 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */ 179 #define HAS_24 0x40 180 181 int sc_mode; /* play/record capability */ 182 183 struct mixerctl *sc_ctls; 184 int sc_nctls; 185 186 device_ptr_t sc_audiodev; 187 char sc_dying; 188 }; 189 190 #define UAC_OUTPUT 0 191 #define UAC_INPUT 1 192 #define UAC_EQUAL 2 193 #define UAC_NCLASSES 3 194 195 Static usbd_status uaudio_identify_ac(struct uaudio_softc *sc, 196 usb_config_descriptor_t *cdesc); 197 Static usbd_status uaudio_identify_as(struct uaudio_softc *sc, 198 usb_config_descriptor_t *cdesc); 199 Static usbd_status uaudio_process_as(struct uaudio_softc *sc, 200 char *buf, int *offsp, int size, 201 usb_interface_descriptor_t *id); 202 203 Static void uaudio_add_alt(struct uaudio_softc *sc, 204 struct as_info *ai); 205 Static void uaudio_mixer_alias_ctl(struct uaudio_softc *sc, 206 struct mixerctl *mp, const char *ctl); 207 208 Static usb_interface_descriptor_t *uaudio_find_iface(char *buf, 209 int size, int *offsp, int subtype); 210 211 Static void uaudio_mixer_add_ctl(struct uaudio_softc *sc, 212 struct mixerctl *mp); 213 Static char *uaudio_id_name(struct uaudio_softc *sc, 214 usb_descriptor_t **dps, int id); 215 Static struct usb_audio_cluster uaudio_get_cluster(int id, 216 usb_descriptor_t **dps); 217 Static void uaudio_add_input(struct uaudio_softc *sc, 218 usb_descriptor_t *v, usb_descriptor_t **dps); 219 Static void uaudio_add_output(struct uaudio_softc *sc, 220 usb_descriptor_t *v, usb_descriptor_t **dps); 221 Static void uaudio_add_mixer(struct uaudio_softc *sc, 222 usb_descriptor_t *v, usb_descriptor_t **dps); 223 Static void uaudio_add_selector(struct uaudio_softc *sc, 224 usb_descriptor_t *v, usb_descriptor_t **dps); 225 Static void uaudio_add_feature(struct uaudio_softc *sc, 226 usb_descriptor_t *v, usb_descriptor_t **dps); 227 Static void uaudio_add_processing_updown(struct uaudio_softc *sc, 228 usb_descriptor_t *v, usb_descriptor_t **dps); 229 Static void uaudio_add_processing(struct uaudio_softc *sc, 230 usb_descriptor_t *v, usb_descriptor_t **dps); 231 Static void uaudio_add_extension(struct uaudio_softc *sc, 232 usb_descriptor_t *v, usb_descriptor_t **dps); 233 Static usbd_status uaudio_identify(struct uaudio_softc *sc, 234 usb_config_descriptor_t *cdesc); 235 236 Static int uaudio_signext(int type, int val); 237 Static int uaudio_value2bsd(struct mixerctl *mc, int val); 238 Static int uaudio_bsd2value(struct mixerctl *mc, int val); 239 Static int uaudio_get(struct uaudio_softc *sc, int type, 240 int which, int wValue, int wIndex, int len); 241 Static int uaudio_ctl_get(struct uaudio_softc *sc, int which, 242 struct mixerctl *mc, int chan); 243 Static void uaudio_set(struct uaudio_softc *sc, int type, 244 int which, int wValue, int wIndex, int l, int v); 245 Static void uaudio_ctl_set(struct uaudio_softc *sc, int which, 246 struct mixerctl *mc, int chan, int val); 247 248 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int); 249 250 Static usbd_status uaudio_chan_open(struct uaudio_softc *sc, 251 struct chan *ch); 252 Static void uaudio_chan_close(struct uaudio_softc *sc, 253 struct chan *ch); 254 Static usbd_status uaudio_chan_alloc_buffers(struct uaudio_softc *, 255 struct chan *); 256 Static void uaudio_chan_free_buffers(struct uaudio_softc *, 257 struct chan *); 258 Static void uaudio_chan_init(struct chan *, int, 259 const struct audio_params *); 260 Static void uaudio_chan_set_param(struct chan *ch, u_char *start, 261 u_char *end, int blksize); 262 Static void uaudio_chan_ptransfer(struct chan *ch); 263 Static void uaudio_chan_pintr(usbd_xfer_handle xfer, 264 usbd_private_handle priv, usbd_status status); 265 266 Static void uaudio_chan_rtransfer(struct chan *ch); 267 Static void uaudio_chan_rintr(usbd_xfer_handle xfer, 268 usbd_private_handle priv, usbd_status status); 269 270 Static int uaudio_open(void *, int); 271 Static void uaudio_close(void *); 272 Static int uaudio_drain(void *); 273 Static int uaudio_query_encoding(void *, struct audio_encoding *); 274 Static void uaudio_get_minmax_rates(int, const struct as_info *, 275 const struct audio_params *, 276 int, u_long *, u_long *); 277 Static int uaudio_match_alt_sub(int, const struct as_info *, 278 const struct audio_params *, 279 int, u_long); 280 Static int uaudio_match_alt_chan(int, const struct as_info *, 281 struct audio_params *, int); 282 Static int uaudio_match_alt(int, const struct as_info *, 283 struct audio_params *, int); 284 Static int uaudio_set_params(void *, int, int, 285 struct audio_params *, struct audio_params *); 286 Static int uaudio_round_blocksize(void *, int); 287 Static int uaudio_trigger_output(void *, void *, void *, 288 int, void (*)(void *), void *, 289 struct audio_params *); 290 Static int uaudio_trigger_input (void *, void *, void *, 291 int, void (*)(void *), void *, 292 struct audio_params *); 293 Static int uaudio_halt_in_dma(void *); 294 Static int uaudio_halt_out_dma(void *); 295 Static int uaudio_getdev(void *, struct audio_device *); 296 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 297 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 298 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 299 Static int uaudio_get_props(void *); 300 301 Static struct audio_hw_if uaudio_hw_if = { 302 uaudio_open, 303 uaudio_close, 304 uaudio_drain, 305 uaudio_query_encoding, 306 uaudio_set_params, 307 uaudio_round_blocksize, 308 NULL, 309 NULL, 310 NULL, 311 NULL, 312 NULL, 313 uaudio_halt_out_dma, 314 uaudio_halt_in_dma, 315 NULL, 316 uaudio_getdev, 317 NULL, 318 uaudio_mixer_set_port, 319 uaudio_mixer_get_port, 320 uaudio_query_devinfo, 321 NULL, 322 NULL, 323 NULL, 324 NULL, 325 uaudio_get_props, 326 uaudio_trigger_output, 327 uaudio_trigger_input, 328 NULL, 329 }; 330 331 Static struct audio_device uaudio_device = { 332 "USB audio", 333 "", 334 "uaudio" 335 }; 336 337 USB_DECLARE_DRIVER(uaudio); 338 339 USB_MATCH(uaudio) 340 { 341 USB_MATCH_START(uaudio, uaa); 342 usb_interface_descriptor_t *id; 343 344 if (uaa->iface == NULL) 345 return (UMATCH_NONE); 346 347 id = usbd_get_interface_descriptor(uaa->iface); 348 /* Trigger on the control interface. */ 349 if (id == NULL || 350 id->bInterfaceClass != UICLASS_AUDIO || 351 id->bInterfaceSubClass != UISUBCLASS_AUDIOCONTROL || 352 (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_AUDIO)) 353 return (UMATCH_NONE); 354 355 return (UMATCH_IFACECLASS_IFACESUBCLASS); 356 } 357 358 USB_ATTACH(uaudio) 359 { 360 USB_ATTACH_START(uaudio, sc, uaa); 361 usb_interface_descriptor_t *id; 362 usb_config_descriptor_t *cdesc; 363 char devinfo[1024]; 364 usbd_status err; 365 int i, j, found; 366 367 usbd_devinfo(uaa->device, 0, devinfo); 368 printf(": %s\n", devinfo); 369 370 sc->sc_udev = uaa->device; 371 372 cdesc = usbd_get_config_descriptor(sc->sc_udev); 373 if (cdesc == NULL) { 374 printf("%s: failed to get configuration descriptor\n", 375 USBDEVNAME(sc->sc_dev)); 376 USB_ATTACH_ERROR_RETURN; 377 } 378 379 err = uaudio_identify(sc, cdesc); 380 if (err) { 381 printf("%s: audio descriptors make no sense, error=%d\n", 382 USBDEVNAME(sc->sc_dev), err); 383 USB_ATTACH_ERROR_RETURN; 384 } 385 386 sc->sc_ac_ifaceh = uaa->iface; 387 /* Pick up the AS interface. */ 388 for (i = 0; i < uaa->nifaces; i++) { 389 if (uaa->ifaces[i] == NULL) 390 continue; 391 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 392 if (id == NULL) 393 continue; 394 found = 0; 395 for (j = 0; j < sc->sc_nalts; j++) { 396 if (id->bInterfaceNumber == 397 sc->sc_alts[j].idesc->bInterfaceNumber) { 398 sc->sc_alts[j].ifaceh = uaa->ifaces[i]; 399 found = 1; 400 } 401 } 402 if (found) 403 uaa->ifaces[i] = NULL; 404 } 405 406 for (j = 0; j < sc->sc_nalts; j++) { 407 if (sc->sc_alts[j].ifaceh == NULL) { 408 printf("%s: alt %d missing AS interface(s)\n", 409 USBDEVNAME(sc->sc_dev), j); 410 USB_ATTACH_ERROR_RETURN; 411 } 412 } 413 414 printf("%s: audio rev %d.%02x\n", USBDEVNAME(sc->sc_dev), 415 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 416 417 sc->sc_playchan.sc = sc->sc_recchan.sc = sc; 418 sc->sc_playchan.altidx = -1; 419 sc->sc_recchan.altidx = -1; 420 421 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 422 sc->sc_altflags |= UA_NOFRAC; 423 424 #ifndef UAUDIO_DEBUG 425 if (bootverbose) 426 #endif 427 printf("%s: %d mixer controls\n", USBDEVNAME(sc->sc_dev), 428 sc->sc_nctls); 429 430 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 431 USBDEV(sc->sc_dev)); 432 433 DPRINTF(("uaudio_attach: doing audio_attach_mi\n")); 434 #if defined(__OpenBSD__) 435 audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 436 #else 437 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, &sc->sc_dev); 438 #endif 439 440 USB_ATTACH_SUCCESS_RETURN; 441 } 442 443 int 444 uaudio_activate(device_ptr_t self, enum devact act) 445 { 446 struct uaudio_softc *sc = (struct uaudio_softc *)self; 447 int rv = 0; 448 449 switch (act) { 450 case DVACT_ACTIVATE: 451 return (EOPNOTSUPP); 452 break; 453 454 case DVACT_DEACTIVATE: 455 if (sc->sc_audiodev != NULL) 456 rv = config_deactivate(sc->sc_audiodev); 457 sc->sc_dying = 1; 458 break; 459 } 460 return (rv); 461 } 462 463 int 464 uaudio_detach(device_ptr_t self, int flags) 465 { 466 struct uaudio_softc *sc = (struct uaudio_softc *)self; 467 int rv = 0; 468 469 /* Wait for outstanding requests to complete. */ 470 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 471 472 if (sc->sc_audiodev != NULL) 473 rv = config_detach(sc->sc_audiodev, flags); 474 475 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 476 USBDEV(sc->sc_dev)); 477 478 return (rv); 479 } 480 481 int 482 uaudio_query_encoding(void *addr, struct audio_encoding *fp) 483 { 484 struct uaudio_softc *sc = addr; 485 int flags = sc->sc_altflags; 486 int idx; 487 488 if (sc->sc_dying) 489 return (EIO); 490 491 if (sc->sc_nalts == 0 || flags == 0) 492 return (ENXIO); 493 494 idx = fp->index; 495 switch (idx) { 496 case 0: 497 strcpy(fp->name, AudioEulinear); 498 fp->encoding = AUDIO_ENCODING_ULINEAR; 499 fp->precision = 8; 500 fp->flags = flags&HAS_8U ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 501 return (0); 502 case 1: 503 strcpy(fp->name, AudioEmulaw); 504 fp->encoding = AUDIO_ENCODING_ULAW; 505 fp->precision = 8; 506 fp->flags = flags&HAS_MULAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 507 return (0); 508 case 2: 509 strcpy(fp->name, AudioEalaw); 510 fp->encoding = AUDIO_ENCODING_ALAW; 511 fp->precision = 8; 512 fp->flags = flags&HAS_ALAW ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 513 return (0); 514 case 3: 515 strcpy(fp->name, AudioEslinear); 516 fp->encoding = AUDIO_ENCODING_SLINEAR; 517 fp->precision = 8; 518 fp->flags = flags&HAS_8 ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 519 return (0); 520 case 4: 521 strcpy(fp->name, AudioEslinear_le); 522 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 523 fp->precision = 16; 524 fp->flags = 0; 525 return (0); 526 case 5: 527 strcpy(fp->name, AudioEulinear_le); 528 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 529 fp->precision = 16; 530 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 531 return (0); 532 case 6: 533 strcpy(fp->name, AudioEslinear_be); 534 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 535 fp->precision = 16; 536 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 537 return (0); 538 case 7: 539 strcpy(fp->name, AudioEulinear_be); 540 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 541 fp->precision = 16; 542 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 543 return (0); 544 default: 545 return (EINVAL); 546 } 547 } 548 549 usb_interface_descriptor_t * 550 uaudio_find_iface(char *buf, int size, int *offsp, int subtype) 551 { 552 usb_interface_descriptor_t *d; 553 554 while (*offsp < size) { 555 d = (void *)(buf + *offsp); 556 *offsp += d->bLength; 557 if (d->bDescriptorType == UDESC_INTERFACE && 558 d->bInterfaceClass == UICLASS_AUDIO && 559 d->bInterfaceSubClass == subtype) 560 return (d); 561 } 562 return (NULL); 563 } 564 565 void 566 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 567 { 568 int res; 569 size_t len = sizeof(*mc) * (sc->sc_nctls + 1); 570 struct mixerctl *nmc = sc->sc_nctls == 0 ? 571 malloc(len, M_USBDEV, M_NOWAIT) : 572 realloc(sc->sc_ctls, len, M_USBDEV, M_NOWAIT); 573 574 if (nmc == NULL) { 575 printf("uaudio_mixer_add_ctl: no memory\n"); 576 return; 577 } 578 sc->sc_ctls = nmc; 579 580 mc->delta = 0; 581 if (mc->type != MIX_ON_OFF) { 582 /* Determine min and max values. */ 583 mc->minval = uaudio_signext(mc->type, 584 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 585 mc->wValue[0], mc->wIndex, 586 MIX_SIZE(mc->type))); 587 mc->maxval = 1 + uaudio_signext(mc->type, 588 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 589 mc->wValue[0], mc->wIndex, 590 MIX_SIZE(mc->type))); 591 mc->mul = mc->maxval - mc->minval; 592 if (mc->mul == 0) 593 mc->mul = 1; 594 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE, 595 mc->wValue[0], mc->wIndex, 596 MIX_SIZE(mc->type)); 597 if (res > 0) 598 mc->delta = (res * 256 + mc->mul/2) / mc->mul; 599 } else { 600 mc->minval = 0; 601 mc->maxval = 1; 602 } 603 604 sc->sc_ctls[sc->sc_nctls++] = *mc; 605 606 #ifdef UAUDIO_DEBUG 607 if (uaudiodebug > 2) { 608 int i; 609 DPRINTF(("uaudio_mixer_add_ctl: wValue=%04x",mc->wValue[0])); 610 for (i = 1; i < mc->nchan; i++) 611 DPRINTF((",%04x", mc->wValue[i])); 612 DPRINTF((" wIndex=%04x type=%d name='%s' unit='%s' " 613 "min=%d max=%d\n", 614 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 615 mc->minval, mc->maxval)); 616 } 617 #endif 618 } 619 620 void 621 uaudio_mixer_alias_ctl(struct uaudio_softc *sc, struct mixerctl *mc, 622 const char *name) 623 { 624 /* XXX mark as alias? */ 625 strcpy(mc->ctlname, name); 626 uaudio_mixer_add_ctl(sc, mc); 627 } 628 629 char * 630 uaudio_id_name(struct uaudio_softc *sc, usb_descriptor_t **dps, int id) 631 { 632 static char buf[32]; 633 sprintf(buf, "i%d", id); 634 return (buf); 635 } 636 637 struct usb_audio_cluster 638 uaudio_get_cluster(int id, usb_descriptor_t **dps) 639 { 640 struct usb_audio_cluster r; 641 usb_descriptor_t *dp; 642 int i; 643 644 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 645 dp = dps[id]; 646 if (dp == 0) 647 goto bad; 648 switch (dp->bDescriptorSubtype) { 649 case UDESCSUB_AC_INPUT: 650 #define p ((struct usb_audio_input_terminal *)dp) 651 r.bNrChannels = p->bNrChannels; 652 USETW(r.wChannelConfig, UGETW(p->wChannelConfig)); 653 r.iChannelNames = p->iChannelNames; 654 #undef p 655 return (r); 656 case UDESCSUB_AC_OUTPUT: 657 #define p ((struct usb_audio_output_terminal *)dp) 658 id = p->bSourceId; 659 #undef p 660 break; 661 case UDESCSUB_AC_MIXER: 662 #define p ((struct usb_audio_mixer_unit *)dp) 663 r = *(struct usb_audio_cluster *) 664 &p->baSourceId[p->bNrInPins]; 665 #undef p 666 return (r); 667 case UDESCSUB_AC_SELECTOR: 668 /* XXX This is not really right */ 669 #define p ((struct usb_audio_selector_unit *)dp) 670 id = p->baSourceId[0]; 671 #undef p 672 break; 673 case UDESCSUB_AC_FEATURE: 674 #define p ((struct usb_audio_feature_unit *)dp) 675 id = p->bSourceId; 676 #undef p 677 break; 678 case UDESCSUB_AC_PROCESSING: 679 #define p ((struct usb_audio_processing_unit *)dp) 680 r = *(struct usb_audio_cluster *) 681 &p->baSourceId[p->bNrInPins]; 682 #undef p 683 return (r); 684 case UDESCSUB_AC_EXTENSION: 685 #define p ((struct usb_audio_extension_unit *)dp) 686 r = *(struct usb_audio_cluster *) 687 &p->baSourceId[p->bNrInPins]; 688 #undef p 689 return (r); 690 default: 691 goto bad; 692 } 693 } 694 bad: 695 printf("uaudio_get_cluster: bad data\n"); 696 memset(&r, 0, sizeof r); 697 return (r); 698 699 } 700 701 void 702 uaudio_add_input(struct uaudio_softc *sc, usb_descriptor_t *v, 703 usb_descriptor_t **dps) 704 { 705 #ifdef UAUDIO_DEBUG 706 struct usb_audio_input_terminal *d = 707 (struct usb_audio_input_terminal *)v; 708 709 DPRINTFN(2,("uaudio_add_input: bTerminalId=%d wTerminalType=0x%04x " 710 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 711 "iChannelNames=%d iTerminal=%d\n", 712 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 713 d->bNrChannels, UGETW(d->wChannelConfig), 714 d->iChannelNames, d->iTerminal)); 715 #endif 716 } 717 718 void 719 uaudio_add_output(struct uaudio_softc *sc, usb_descriptor_t *v, 720 usb_descriptor_t **dps) 721 { 722 #ifdef UAUDIO_DEBUG 723 struct usb_audio_output_terminal *d = 724 (struct usb_audio_output_terminal *)v; 725 726 DPRINTFN(2,("uaudio_add_output: bTerminalId=%d wTerminalType=0x%04x " 727 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 728 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 729 d->bSourceId, d->iTerminal)); 730 #endif 731 } 732 733 void 734 uaudio_add_mixer(struct uaudio_softc *sc, usb_descriptor_t *v, 735 usb_descriptor_t **dps) 736 { 737 struct usb_audio_mixer_unit *d = (struct usb_audio_mixer_unit *)v; 738 struct usb_audio_mixer_unit_1 *d1; 739 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 740 uByte *bm; 741 struct mixerctl mix; 742 743 DPRINTFN(2,("uaudio_add_mixer: bUnitId=%d bNrInPins=%d\n", 744 d->bUnitId, d->bNrInPins)); 745 746 /* Compute the number of input channels */ 747 ichs = 0; 748 for (i = 0; i < d->bNrInPins; i++) 749 ichs += uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 750 751 /* and the number of output channels */ 752 d1 = (struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 753 ochs = d1->bNrChannels; 754 DPRINTFN(2,("uaudio_add_mixer: ichs=%d ochs=%d\n", ichs, ochs)); 755 756 bm = d1->bmControls; 757 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 758 mix.class = -1; 759 mix.type = MIX_SIGNED_16; 760 mix.ctlunit = AudioNvolume; 761 #define BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 762 for (p = i = 0; i < d->bNrInPins; i++) { 763 chs = uaudio_get_cluster(d->baSourceId[i], dps).bNrChannels; 764 mc = 0; 765 for (c = 0; c < chs; c++) { 766 mo = 0; 767 for (o = 0; o < ochs; o++) { 768 bno = (p + c) * ochs + o; 769 if (BIT(bno)) 770 mo++; 771 } 772 if (mo == 1) 773 mc++; 774 } 775 if (mc == chs && chs <= MIX_MAX_CHAN) { 776 k = 0; 777 for (c = 0; c < chs; c++) 778 for (o = 0; o < ochs; o++) { 779 bno = (p + c) * ochs + o; 780 if (BIT(bno)) 781 mix.wValue[k++] = 782 MAKE(p+c+1, o+1); 783 } 784 sprintf(mix.ctlname, "mix%d-%s", d->bUnitId, 785 uaudio_id_name(sc, dps, d->baSourceId[i])); 786 mix.nchan = chs; 787 uaudio_mixer_add_ctl(sc, &mix); 788 } else { 789 /* XXX */ 790 } 791 #undef BIT 792 p += chs; 793 } 794 795 } 796 797 void 798 uaudio_add_selector(struct uaudio_softc *sc, usb_descriptor_t *v, 799 usb_descriptor_t **dps) 800 { 801 #ifdef UAUDIO_DEBUG 802 struct usb_audio_selector_unit *d = 803 (struct usb_audio_selector_unit *)v; 804 805 DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n", 806 d->bUnitId, d->bNrInPins)); 807 #endif 808 printf("uaudio_add_selector: NOT IMPLEMENTED\n"); 809 } 810 811 void 812 uaudio_add_feature(struct uaudio_softc *sc, usb_descriptor_t *v, 813 usb_descriptor_t **dps) 814 { 815 struct usb_audio_feature_unit *d = (struct usb_audio_feature_unit *)v; 816 uByte *ctls = d->bmaControls; 817 int ctlsize = d->bControlSize; 818 int nchan = (d->bLength - 7) / ctlsize; 819 int srcId = d->bSourceId; 820 u_int fumask, mmask, cmask; 821 struct mixerctl mix; 822 int chan, ctl, i, unit; 823 824 #define GET(i) (ctls[(i)*ctlsize] | \ 825 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 826 827 mmask = GET(0); 828 /* Figure out what we can control */ 829 for (cmask = 0, chan = 1; chan < nchan; chan++) { 830 DPRINTFN(9,("uaudio_add_feature: chan=%d mask=%x\n", 831 chan, GET(chan))); 832 cmask |= GET(chan); 833 } 834 835 DPRINTFN(1,("uaudio_add_feature: bUnitId=%d bSourceId=%d, " 836 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 837 d->bUnitId, srcId, nchan, mmask, cmask)); 838 839 if (nchan > MIX_MAX_CHAN) 840 nchan = MIX_MAX_CHAN; 841 unit = d->bUnitId; 842 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 843 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 844 fumask = FU_MASK(ctl); 845 DPRINTFN(4,("uaudio_add_feature: ctl=%d fumask=0x%04x\n", 846 ctl, fumask)); 847 if (mmask & fumask) { 848 mix.nchan = 1; 849 mix.wValue[0] = MAKE(ctl, 0); 850 } else if (cmask & fumask) { 851 mix.nchan = nchan - 1; 852 for (i = 1; i < nchan; i++) { 853 if (GET(i) & fumask) 854 mix.wValue[i-1] = MAKE(ctl, i); 855 else 856 mix.wValue[i-1] = -1; 857 } 858 } else { 859 continue; 860 } 861 #undef GET 862 mix.class = UAC_OUTPUT; /* XXX we don't really know this */ 863 switch (ctl) { 864 case MUTE_CONTROL: 865 mix.type = MIX_ON_OFF; 866 mix.ctlunit = ""; 867 uaudio_mixer_alias_ctl(sc, &mix, AudioNmute); 868 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 869 uaudio_id_name(sc, dps, srcId), 870 AudioNmute); 871 break; 872 case VOLUME_CONTROL: 873 mix.type = MIX_SIGNED_16; 874 mix.ctlunit = AudioNvolume; 875 uaudio_mixer_alias_ctl(sc, &mix, AudioNmaster); 876 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 877 uaudio_id_name(sc, dps, srcId), 878 AudioNmaster); 879 break; 880 case BASS_CONTROL: 881 mix.type = MIX_SIGNED_8; 882 mix.ctlunit = AudioNbass; 883 uaudio_mixer_alias_ctl(sc, &mix, AudioNbass); 884 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 885 uaudio_id_name(sc, dps, srcId), 886 AudioNbass); 887 break; 888 case MID_CONTROL: 889 mix.type = MIX_SIGNED_8; 890 mix.ctlunit = AudioNmid; 891 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 892 uaudio_id_name(sc, dps, srcId), 893 AudioNmid); 894 break; 895 case TREBLE_CONTROL: 896 mix.type = MIX_SIGNED_8; 897 mix.ctlunit = AudioNtreble; 898 uaudio_mixer_alias_ctl(sc, &mix, AudioNtreble); 899 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 900 uaudio_id_name(sc, dps, srcId), 901 AudioNtreble); 902 break; 903 case GRAPHIC_EQUALIZER_CONTROL: 904 continue; /* XXX don't add anything */ 905 break; 906 case AGC_CONTROL: 907 mix.type = MIX_ON_OFF; 908 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 909 uaudio_id_name(sc, dps, srcId), 910 AudioNagc); 911 mix.ctlunit = ""; 912 break; 913 case DELAY_CONTROL: 914 mix.type = MIX_UNSIGNED_16; 915 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 916 uaudio_id_name(sc, dps, srcId), 917 AudioNdelay); 918 mix.ctlunit = "4 ms"; 919 break; 920 case BASS_BOOST_CONTROL: 921 mix.type = MIX_ON_OFF; 922 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 923 uaudio_id_name(sc, dps, srcId), 924 AudioNbassboost); 925 mix.ctlunit = ""; 926 break; 927 case LOUDNESS_CONTROL: 928 mix.type = MIX_ON_OFF; 929 sprintf(mix.ctlname, "fea%d-%s-%s", unit, 930 uaudio_id_name(sc, dps, srcId), 931 AudioNloudness); 932 mix.ctlunit = ""; 933 break; 934 } 935 uaudio_mixer_add_ctl(sc, &mix); 936 } 937 } 938 939 void 940 uaudio_add_processing_updown(struct uaudio_softc *sc, usb_descriptor_t *v, 941 usb_descriptor_t **dps) 942 { 943 struct usb_audio_processing_unit *d = 944 (struct usb_audio_processing_unit *)v; 945 struct usb_audio_processing_unit_1 *d1 = 946 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 947 struct usb_audio_processing_unit_updown *ud = 948 (struct usb_audio_processing_unit_updown *) 949 &d1->bmControls[d1->bControlSize]; 950 struct mixerctl mix; 951 int i; 952 953 DPRINTFN(2,("uaudio_add_processing_updown: bUnitId=%d bNrModes=%d\n", 954 d->bUnitId, ud->bNrModes)); 955 956 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 957 DPRINTF(("uaudio_add_processing_updown: no mode select\n")); 958 return; 959 } 960 961 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 962 mix.nchan = 1; 963 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 964 mix.class = -1; 965 mix.type = MIX_ON_OFF; /* XXX */ 966 mix.ctlunit = ""; 967 sprintf(mix.ctlname, "pro%d-mode", d->bUnitId); 968 969 for (i = 0; i < ud->bNrModes; i++) { 970 DPRINTFN(2,("uaudio_add_processing_updown: i=%d bm=0x%x\n", 971 i, UGETW(ud->waModes[i]))); 972 /* XXX */ 973 } 974 uaudio_mixer_add_ctl(sc, &mix); 975 } 976 977 void 978 uaudio_add_processing(struct uaudio_softc *sc, usb_descriptor_t *v, 979 usb_descriptor_t **dps) 980 { 981 struct usb_audio_processing_unit *d = 982 (struct usb_audio_processing_unit *)v; 983 struct usb_audio_processing_unit_1 *d1 = 984 (struct usb_audio_processing_unit_1 *)&d->baSourceId[d->bNrInPins]; 985 int ptype = UGETW(d->wProcessType); 986 struct mixerctl mix; 987 988 DPRINTFN(2,("uaudio_add_processing: wProcessType=%d bUnitId=%d " 989 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins)); 990 991 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 992 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 993 mix.nchan = 1; 994 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 995 mix.class = -1; 996 mix.type = MIX_ON_OFF; 997 mix.ctlunit = ""; 998 sprintf(mix.ctlname, "pro%d.%d-enable", d->bUnitId, ptype); 999 uaudio_mixer_add_ctl(sc, &mix); 1000 } 1001 1002 switch(ptype) { 1003 case UPDOWNMIX_PROCESS: 1004 uaudio_add_processing_updown(sc, v, dps); 1005 break; 1006 case DOLBY_PROLOGIC_PROCESS: 1007 case P3D_STEREO_EXTENDER_PROCESS: 1008 case REVERBATION_PROCESS: 1009 case CHORUS_PROCESS: 1010 case DYN_RANGE_COMP_PROCESS: 1011 default: 1012 #ifdef UAUDIO_DEBUG 1013 printf("uaudio_add_processing: unit %d, type=%d not impl.\n", 1014 d->bUnitId, ptype); 1015 #endif 1016 break; 1017 } 1018 } 1019 1020 void 1021 uaudio_add_extension(struct uaudio_softc *sc, usb_descriptor_t *v, 1022 usb_descriptor_t **dps) 1023 { 1024 struct usb_audio_extension_unit *d = 1025 (struct usb_audio_extension_unit *)v; 1026 struct usb_audio_extension_unit_1 *d1 = 1027 (struct usb_audio_extension_unit_1 *)&d->baSourceId[d->bNrInPins]; 1028 struct mixerctl mix; 1029 1030 DPRINTFN(2,("uaudio_add_extension: bUnitId=%d bNrInPins=%d\n", 1031 d->bUnitId, d->bNrInPins)); 1032 1033 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 1034 return; 1035 1036 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 1037 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1038 mix.nchan = 1; 1039 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 1040 mix.class = -1; 1041 mix.type = MIX_ON_OFF; 1042 mix.ctlunit = ""; 1043 sprintf(mix.ctlname, "ext%d-enable", d->bUnitId); 1044 uaudio_mixer_add_ctl(sc, &mix); 1045 } 1046 } 1047 1048 usbd_status 1049 uaudio_identify(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1050 { 1051 usbd_status err; 1052 1053 err = uaudio_identify_ac(sc, cdesc); 1054 if (err) 1055 return (err); 1056 return (uaudio_identify_as(sc, cdesc)); 1057 } 1058 1059 void 1060 uaudio_add_alt(struct uaudio_softc *sc, struct as_info *ai) 1061 { 1062 size_t len = sizeof(*ai) * (sc->sc_nalts + 1); 1063 struct as_info *nai = (sc->sc_nalts == 0) ? 1064 malloc(len, M_USBDEV, M_NOWAIT) : 1065 realloc(sc->sc_alts, len, M_USBDEV, M_NOWAIT); 1066 1067 if (nai == NULL) { 1068 printf("uaudio_add_alt: no memory\n"); 1069 return; 1070 } 1071 1072 sc->sc_alts = nai; 1073 DPRINTFN(2,("uaudio_add_alt: adding alt=%d, enc=%d\n", 1074 ai->alt, ai->encoding)); 1075 sc->sc_alts[sc->sc_nalts++] = *ai; 1076 } 1077 1078 usbd_status 1079 uaudio_process_as(struct uaudio_softc *sc, char *buf, int *offsp, 1080 int size, usb_interface_descriptor_t *id) 1081 #define offs (*offsp) 1082 { 1083 struct usb_audio_streaming_interface_descriptor *asid; 1084 struct usb_audio_streaming_type1_descriptor *asf1d; 1085 usb_endpoint_descriptor_audio_t *ed; 1086 struct usb_audio_streaming_endpoint_descriptor *sed; 1087 int format, chan, prec, enc; 1088 int dir, type; 1089 struct as_info ai; 1090 1091 asid = (void *)(buf + offs); 1092 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 1093 asid->bDescriptorSubtype != AS_GENERAL) 1094 return (USBD_INVAL); 1095 offs += asid->bLength; 1096 if (offs > size) 1097 return (USBD_INVAL); 1098 asf1d = (void *)(buf + offs); 1099 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 1100 asf1d->bDescriptorSubtype != FORMAT_TYPE) 1101 return (USBD_INVAL); 1102 offs += asf1d->bLength; 1103 if (offs > size) 1104 return (USBD_INVAL); 1105 1106 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1107 printf("%s: ignored setting with type %d format\n", 1108 USBDEVNAME(sc->sc_dev), UGETW(asid->wFormatTag)); 1109 return (USBD_NORMAL_COMPLETION); 1110 } 1111 1112 ed = (void *)(buf + offs); 1113 if (ed->bDescriptorType != UDESC_ENDPOINT) 1114 return (USBD_INVAL); 1115 DPRINTF(("uaudio_process_as: endpoint bLength=%d bDescriptorType=%d " 1116 "bEndpointAddress=%d bmAttributes=0x%x wMaxPacketSize=%d " 1117 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1118 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1119 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1120 ed->bInterval, ed->bRefresh, ed->bSynchAddress)); 1121 offs += ed->bLength; 1122 if (offs > size) 1123 return (USBD_INVAL); 1124 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1125 return (USBD_INVAL); 1126 1127 dir = UE_GET_DIR(ed->bEndpointAddress); 1128 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1129 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1130 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1131 type = UE_ISO_ASYNC; 1132 1133 /* We can't handle endpoints that need a sync pipe yet. */ 1134 if (dir == UE_DIR_IN ? type == UE_ISO_ADAPT : type == UE_ISO_ASYNC) { 1135 printf("%s: ignored %sput endpoint of type %s\n", 1136 USBDEVNAME(sc->sc_dev), 1137 dir == UE_DIR_IN ? "in" : "out", 1138 dir == UE_DIR_IN ? "adaptive" : "async"); 1139 return (USBD_NORMAL_COMPLETION); 1140 } 1141 1142 sed = (void *)(buf + offs); 1143 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1144 sed->bDescriptorSubtype != AS_GENERAL) 1145 return (USBD_INVAL); 1146 offs += sed->bLength; 1147 if (offs > size) 1148 return (USBD_INVAL); 1149 1150 format = UGETW(asid->wFormatTag); 1151 chan = asf1d->bNrChannels; 1152 prec = asf1d->bBitResolution; 1153 if (prec != 8 && prec != 16 && prec != 24) { 1154 printf("%s: ignored setting with precision %d\n", 1155 USBDEVNAME(sc->sc_dev), prec); 1156 return (USBD_NORMAL_COMPLETION); 1157 } 1158 switch (format) { 1159 case UA_FMT_PCM: 1160 if (prec == 8) { 1161 sc->sc_altflags |= HAS_8; 1162 } else if (prec == 16) { 1163 sc->sc_altflags |= HAS_16; 1164 } else if (prec == 24) { 1165 sc->sc_altflags |= HAS_24; 1166 } 1167 enc = AUDIO_ENCODING_SLINEAR_LE; 1168 break; 1169 case UA_FMT_PCM8: 1170 enc = AUDIO_ENCODING_ULINEAR_LE; 1171 sc->sc_altflags |= HAS_8U; 1172 break; 1173 case UA_FMT_ALAW: 1174 enc = AUDIO_ENCODING_ALAW; 1175 sc->sc_altflags |= HAS_ALAW; 1176 break; 1177 case UA_FMT_MULAW: 1178 enc = AUDIO_ENCODING_ULAW; 1179 sc->sc_altflags |= HAS_MULAW; 1180 break; 1181 default: 1182 printf("%s: ignored setting with format %d\n", 1183 USBDEVNAME(sc->sc_dev), format); 1184 return (USBD_NORMAL_COMPLETION); 1185 } 1186 DPRINTFN(1, ("uaudio_process_as: alt=%d enc=%d chan=%d prec=%d\n", 1187 id->bAlternateSetting, enc, chan, prec)); 1188 ai.alt = id->bAlternateSetting; 1189 ai.encoding = enc; 1190 ai.attributes = sed->bmAttributes; 1191 ai.idesc = id; 1192 ai.edesc = ed; 1193 ai.asf1desc = asf1d; 1194 ai.sc_busy = 0; 1195 uaudio_add_alt(sc, &ai); 1196 #ifdef UAUDIO_DEBUG 1197 { 1198 int j; 1199 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 1200 DPRINTFN(1, ("uaudio_process_as: rate=%d-%d\n", 1201 UA_SAMP_LO(asf1d), UA_SAMP_HI(asf1d))); 1202 } else { 1203 DPRINTFN(1, ("uaudio_process_as: ")); 1204 for (j = 0; j < asf1d->bSamFreqType; j++) 1205 DPRINTFN(1, (" %d", UA_GETSAMP(asf1d, j))); 1206 DPRINTFN(1, ("\n")); 1207 } 1208 if (ai.attributes & UA_SED_FREQ_CONTROL) 1209 DPRINTFN(1, ("uaudio_process_as: FREQ_CONTROL\n")); 1210 if (ai.attributes & UA_SED_PITCH_CONTROL) 1211 DPRINTFN(1, ("uaudio_process_as: PITCH_CONTROL\n")); 1212 } 1213 #endif 1214 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD; 1215 1216 return (USBD_NORMAL_COMPLETION); 1217 } 1218 #undef offs 1219 1220 usbd_status 1221 uaudio_identify_as(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1222 { 1223 usb_interface_descriptor_t *id; 1224 usbd_status err; 1225 char *buf; 1226 int size, offs; 1227 1228 size = UGETW(cdesc->wTotalLength); 1229 buf = (char *)cdesc; 1230 1231 /* Locate the AudioStreaming interface descriptor. */ 1232 offs = 0; 1233 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1234 if (id == NULL) 1235 return (USBD_INVAL); 1236 1237 /* Loop through all the alternate settings. */ 1238 while (offs <= size) { 1239 DPRINTFN(2, ("uaudio_identify: interface %d\n", 1240 id->bInterfaceNumber)); 1241 switch (id->bNumEndpoints) { 1242 case 0: 1243 DPRINTFN(2, ("uaudio_identify: AS null alt=%d\n", 1244 id->bAlternateSetting)); 1245 sc->sc_nullalt = id->bAlternateSetting; 1246 break; 1247 case 1: 1248 err = uaudio_process_as(sc, buf, &offs, size, id); 1249 break; 1250 default: 1251 #ifdef UAUDIO_DEBUG 1252 printf("%s: ignored audio interface with %d " 1253 "endpoints\n", 1254 USBDEVNAME(sc->sc_dev), id->bNumEndpoints); 1255 #endif 1256 break; 1257 } 1258 id = uaudio_find_iface(buf, size, &offs,UISUBCLASS_AUDIOSTREAM); 1259 if (id == NULL) 1260 break; 1261 } 1262 if (offs > size) 1263 return (USBD_INVAL); 1264 DPRINTF(("uaudio_identify_as: %d alts available\n", sc->sc_nalts)); 1265 1266 if ((sc->sc_mode & (AUMODE_PLAY | AUMODE_RECORD)) == 0) { 1267 printf("%s: no usable endpoint found\n", 1268 USBDEVNAME(sc->sc_dev)); 1269 return (USBD_INVAL); 1270 } 1271 1272 return (USBD_NORMAL_COMPLETION); 1273 } 1274 1275 usbd_status 1276 uaudio_identify_ac(struct uaudio_softc *sc, usb_config_descriptor_t *cdesc) 1277 { 1278 usb_interface_descriptor_t *id; 1279 struct usb_audio_control_descriptor *acdp; 1280 usb_descriptor_t *dp, *dps[256]; 1281 char *buf, *ibuf, *ibufend; 1282 int size, offs, aclen, ndps, i; 1283 1284 size = UGETW(cdesc->wTotalLength); 1285 buf = (char *)cdesc; 1286 1287 /* Locate the AudioControl interface descriptor. */ 1288 offs = 0; 1289 id = uaudio_find_iface(buf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1290 if (id == NULL) 1291 return (USBD_INVAL); 1292 if (offs + sizeof *acdp > size) 1293 return (USBD_INVAL); 1294 sc->sc_ac_iface = id->bInterfaceNumber; 1295 DPRINTFN(2,("uaudio_identify: AC interface is %d\n", sc->sc_ac_iface)); 1296 1297 /* A class-specific AC interface header should follow. */ 1298 ibuf = buf + offs; 1299 acdp = (struct usb_audio_control_descriptor *)ibuf; 1300 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1301 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1302 return (USBD_INVAL); 1303 aclen = UGETW(acdp->wTotalLength); 1304 if (offs + aclen > size) 1305 return (USBD_INVAL); 1306 1307 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1308 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1309 return (USBD_INVAL); 1310 1311 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1312 DPRINTFN(2,("uaudio_identify: found AC header, vers=%03x, len=%d\n", 1313 sc->sc_audio_rev, aclen)); 1314 1315 sc->sc_nullalt = -1; 1316 1317 /* Scan through all the AC specific descriptors */ 1318 ibufend = ibuf + aclen; 1319 dp = (usb_descriptor_t *)ibuf; 1320 ndps = 0; 1321 memset(dps, 0, sizeof dps); 1322 for (;;) { 1323 ibuf += dp->bLength; 1324 if (ibuf >= ibufend) 1325 break; 1326 dp = (usb_descriptor_t *)ibuf; 1327 if (ibuf + dp->bLength > ibufend) 1328 return (USBD_INVAL); 1329 if (dp->bDescriptorType != UDESC_CS_INTERFACE) { 1330 printf("uaudio_identify: skip desc type=0x%02x\n", 1331 dp->bDescriptorType); 1332 continue; 1333 } 1334 i = ((struct usb_audio_input_terminal *)dp)->bTerminalId; 1335 dps[i] = dp; 1336 if (i > ndps) 1337 ndps = i; 1338 } 1339 ndps++; 1340 1341 for (i = 0; i < ndps; i++) { 1342 dp = dps[i]; 1343 if (dp == NULL) 1344 continue; 1345 DPRINTF(("uaudio_identify: subtype=%d\n", 1346 dp->bDescriptorSubtype)); 1347 switch (dp->bDescriptorSubtype) { 1348 case UDESCSUB_AC_HEADER: 1349 printf("uaudio_identify: unexpected AC header\n"); 1350 break; 1351 case UDESCSUB_AC_INPUT: 1352 uaudio_add_input(sc, dp, dps); 1353 break; 1354 case UDESCSUB_AC_OUTPUT: 1355 uaudio_add_output(sc, dp, dps); 1356 break; 1357 case UDESCSUB_AC_MIXER: 1358 uaudio_add_mixer(sc, dp, dps); 1359 break; 1360 case UDESCSUB_AC_SELECTOR: 1361 uaudio_add_selector(sc, dp, dps); 1362 break; 1363 case UDESCSUB_AC_FEATURE: 1364 uaudio_add_feature(sc, dp, dps); 1365 break; 1366 case UDESCSUB_AC_PROCESSING: 1367 uaudio_add_processing(sc, dp, dps); 1368 break; 1369 case UDESCSUB_AC_EXTENSION: 1370 uaudio_add_extension(sc, dp, dps); 1371 break; 1372 default: 1373 printf("uaudio_identify: bad AC desc subtype=0x%02x\n", 1374 dp->bDescriptorSubtype); 1375 break; 1376 } 1377 } 1378 return (USBD_NORMAL_COMPLETION); 1379 } 1380 1381 int 1382 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 1383 { 1384 struct uaudio_softc *sc = addr; 1385 struct mixerctl *mc; 1386 int n, nctls; 1387 1388 DPRINTFN(2,("uaudio_query_devinfo: index=%d\n", mi->index)); 1389 if (sc->sc_dying) 1390 return (EIO); 1391 1392 n = mi->index; 1393 nctls = sc->sc_nctls; 1394 1395 switch (n) { 1396 case UAC_OUTPUT: 1397 mi->type = AUDIO_MIXER_CLASS; 1398 mi->mixer_class = UAC_OUTPUT; 1399 mi->next = mi->prev = AUDIO_MIXER_LAST; 1400 strcpy(mi->label.name, AudioCoutputs); 1401 return (0); 1402 case UAC_INPUT: 1403 mi->type = AUDIO_MIXER_CLASS; 1404 mi->mixer_class = UAC_INPUT; 1405 mi->next = mi->prev = AUDIO_MIXER_LAST; 1406 strcpy(mi->label.name, AudioCinputs); 1407 return (0); 1408 case UAC_EQUAL: 1409 mi->type = AUDIO_MIXER_CLASS; 1410 mi->mixer_class = UAC_EQUAL; 1411 mi->next = mi->prev = AUDIO_MIXER_LAST; 1412 strcpy(mi->label.name, AudioCequalization); 1413 return (0); 1414 default: 1415 break; 1416 } 1417 1418 n -= UAC_NCLASSES; 1419 if (n < 0 || n >= nctls) 1420 return (ENXIO); 1421 1422 mc = &sc->sc_ctls[n]; 1423 strncpy(mi->label.name, mc->ctlname, MAX_AUDIO_DEV_LEN); 1424 mi->mixer_class = mc->class; 1425 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 1426 switch (mc->type) { 1427 case MIX_ON_OFF: 1428 mi->type = AUDIO_MIXER_ENUM; 1429 mi->un.e.num_mem = 2; 1430 strcpy(mi->un.e.member[0].label.name, AudioNoff); 1431 mi->un.e.member[0].ord = 0; 1432 strcpy(mi->un.e.member[1].label.name, AudioNon); 1433 mi->un.e.member[1].ord = 1; 1434 break; 1435 default: 1436 mi->type = AUDIO_MIXER_VALUE; 1437 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 1438 mi->un.v.num_channels = mc->nchan; 1439 mi->un.v.delta = mc->delta; 1440 break; 1441 } 1442 return (0); 1443 } 1444 1445 int 1446 uaudio_open(void *addr, int flags) 1447 { 1448 struct uaudio_softc *sc = addr; 1449 1450 DPRINTF(("uaudio_open: sc=%p\n", sc)); 1451 if (sc->sc_dying) 1452 return (EIO); 1453 1454 if (sc->sc_mode == 0) 1455 return (ENXIO); 1456 1457 if (flags & FREAD) { 1458 if ((sc->sc_mode & AUMODE_RECORD) == 0) 1459 return (EACCES); 1460 sc->sc_recchan.intr = NULL; 1461 } 1462 1463 if (flags & FWRITE) { 1464 if ((sc->sc_mode & AUMODE_PLAY) == 0) 1465 return (EACCES); 1466 sc->sc_playchan.intr = NULL; 1467 } 1468 1469 return (0); 1470 } 1471 1472 /* 1473 * Close function is called at splaudio(). 1474 */ 1475 void 1476 uaudio_close(void *addr) 1477 { 1478 struct uaudio_softc *sc = addr; 1479 1480 DPRINTF(("uaudio_close: sc=%p\n", sc)); 1481 uaudio_halt_in_dma(sc); 1482 uaudio_halt_out_dma(sc); 1483 1484 sc->sc_playchan.intr = sc->sc_recchan.intr = NULL; 1485 } 1486 1487 int 1488 uaudio_drain(void *addr) 1489 { 1490 struct uaudio_softc *sc = addr; 1491 1492 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 1493 1494 return (0); 1495 } 1496 1497 int 1498 uaudio_halt_out_dma(void *addr) 1499 { 1500 struct uaudio_softc *sc = addr; 1501 1502 DPRINTF(("uaudio_halt_out_dma: enter\n")); 1503 if (sc->sc_playchan.pipe != NULL) { 1504 uaudio_chan_close(sc, &sc->sc_playchan); 1505 sc->sc_playchan.pipe = NULL; 1506 uaudio_chan_free_buffers(sc, &sc->sc_playchan); 1507 } 1508 return (0); 1509 } 1510 1511 int 1512 uaudio_halt_in_dma(void *addr) 1513 { 1514 struct uaudio_softc *sc = addr; 1515 1516 DPRINTF(("uaudio_halt_in_dma: enter\n")); 1517 if (sc->sc_recchan.pipe != NULL) { 1518 uaudio_chan_close(sc, &sc->sc_recchan); 1519 sc->sc_recchan.pipe = NULL; 1520 uaudio_chan_free_buffers(sc, &sc->sc_recchan); 1521 } 1522 return (0); 1523 } 1524 1525 int 1526 uaudio_getdev(void *addr, struct audio_device *retp) 1527 { 1528 struct uaudio_softc *sc = addr; 1529 1530 DPRINTF(("uaudio_mixer_getdev:\n")); 1531 if (sc->sc_dying) 1532 return (EIO); 1533 1534 *retp = uaudio_device; 1535 return (0); 1536 } 1537 1538 /* 1539 * Make sure the block size is large enough to hold all outstanding transfers. 1540 */ 1541 int 1542 uaudio_round_blocksize(void *addr, int blk) 1543 { 1544 struct uaudio_softc *sc = addr; 1545 int bpf; 1546 1547 DPRINTF(("uaudio_round_blocksize: p.bpf=%d r.bpf=%d\n", 1548 sc->sc_playchan.bytes_per_frame, 1549 sc->sc_recchan.bytes_per_frame)); 1550 if (sc->sc_playchan.bytes_per_frame > sc->sc_recchan.bytes_per_frame) { 1551 bpf = sc->sc_playchan.bytes_per_frame 1552 + sc->sc_playchan.sample_size; 1553 } else { 1554 bpf = sc->sc_recchan.bytes_per_frame 1555 + sc->sc_recchan.sample_size; 1556 } 1557 /* XXX */ 1558 bpf *= UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 1559 1560 bpf = (bpf + 15) &~ 15; 1561 1562 if (blk < bpf) 1563 blk = bpf; 1564 1565 #ifdef DIAGNOSTIC 1566 if (blk <= 0) { 1567 printf("uaudio_round_blocksize: blk=%d\n", blk); 1568 blk = 512; 1569 } 1570 #endif 1571 1572 DPRINTFN(1,("uaudio_round_blocksize: blk=%d\n", blk)); 1573 return (blk); 1574 } 1575 1576 int 1577 uaudio_get_props(void *addr) 1578 { 1579 return (AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT); 1580 1581 } 1582 1583 int 1584 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 1585 int wIndex, int len) 1586 { 1587 usb_device_request_t req; 1588 u_int8_t data[4]; 1589 usbd_status err; 1590 int val; 1591 1592 if (wValue == -1) 1593 return (0); 1594 1595 req.bmRequestType = type; 1596 req.bRequest = which; 1597 USETW(req.wValue, wValue); 1598 USETW(req.wIndex, wIndex); 1599 USETW(req.wLength, len); 1600 DPRINTFN(2,("uaudio_get: type=0x%02x req=0x%02x wValue=0x%04x " 1601 "wIndex=0x%04x len=%d\n", 1602 type, which, wValue, wIndex, len)); 1603 err = usbd_do_request(sc->sc_udev, &req, data); 1604 if (err) { 1605 DPRINTF(("uaudio_get: err=%s\n", usbd_errstr(err))); 1606 return (-1); 1607 } 1608 switch (len) { 1609 case 1: 1610 val = data[0]; 1611 break; 1612 case 2: 1613 val = data[0] | (data[1] << 8); 1614 break; 1615 default: 1616 DPRINTF(("uaudio_get: bad length=%d\n", len)); 1617 return (-1); 1618 } 1619 DPRINTFN(2,("uaudio_get: val=%d\n", val)); 1620 return (val); 1621 } 1622 1623 void 1624 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 1625 int wIndex, int len, int val) 1626 { 1627 usb_device_request_t req; 1628 u_int8_t data[4]; 1629 usbd_status err; 1630 1631 if (wValue == -1) 1632 return; 1633 1634 req.bmRequestType = type; 1635 req.bRequest = which; 1636 USETW(req.wValue, wValue); 1637 USETW(req.wIndex, wIndex); 1638 USETW(req.wLength, len); 1639 switch (len) { 1640 case 1: 1641 data[0] = val; 1642 break; 1643 case 2: 1644 data[0] = val; 1645 data[1] = val >> 8; 1646 break; 1647 default: 1648 return; 1649 } 1650 DPRINTFN(2,("uaudio_set: type=0x%02x req=0x%02x wValue=0x%04x " 1651 "wIndex=0x%04x len=%d, val=%d\n", 1652 type, which, wValue, wIndex, len, val & 0xffff)); 1653 err = usbd_do_request(sc->sc_udev, &req, data); 1654 #ifdef UAUDIO_DEBUG 1655 if (err) 1656 DPRINTF(("uaudio_set: err=%d\n", err)); 1657 #endif 1658 } 1659 1660 int 1661 uaudio_signext(int type, int val) 1662 { 1663 if (!MIX_UNSIGNED(type)) { 1664 if (MIX_SIZE(type) == 2) 1665 val = (int16_t)val; 1666 else 1667 val = (int8_t)val; 1668 } 1669 return (val); 1670 } 1671 1672 int 1673 uaudio_value2bsd(struct mixerctl *mc, int val) 1674 { 1675 DPRINTFN(5, ("uaudio_value2bsd: type=%03x val=%d min=%d max=%d ", 1676 mc->type, val, mc->minval, mc->maxval)); 1677 if (mc->type == MIX_ON_OFF) 1678 val = (val != 0); 1679 else 1680 val = ((uaudio_signext(mc->type, val) - mc->minval) * 256 1681 + mc->mul/2) / mc->mul; 1682 DPRINTFN(5, ("val'=%d\n", val)); 1683 return (val); 1684 } 1685 1686 int 1687 uaudio_bsd2value(struct mixerctl *mc, int val) 1688 { 1689 DPRINTFN(5,("uaudio_bsd2value: type=%03x val=%d min=%d max=%d ", 1690 mc->type, val, mc->minval, mc->maxval)); 1691 if (mc->type == MIX_ON_OFF) 1692 val = (val != 0); 1693 else 1694 val = (val + mc->delta/2) * mc->mul / 256 + mc->minval; 1695 DPRINTFN(5, ("val'=%d\n", val)); 1696 return (val); 1697 } 1698 1699 int 1700 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1701 int chan) 1702 { 1703 int val; 1704 1705 DPRINTFN(5,("uaudio_ctl_get: which=%d chan=%d\n", which, chan)); 1706 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 1707 mc->wIndex, MIX_SIZE(mc->type)); 1708 return (uaudio_value2bsd(mc, val)); 1709 } 1710 1711 void 1712 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 1713 int chan, int val) 1714 { 1715 val = uaudio_bsd2value(mc, val); 1716 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 1717 mc->wIndex, MIX_SIZE(mc->type), val); 1718 } 1719 1720 int 1721 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1722 { 1723 struct uaudio_softc *sc = addr; 1724 struct mixerctl *mc; 1725 int i, n, vals[MIX_MAX_CHAN], val; 1726 1727 DPRINTFN(2,("uaudio_mixer_get_port: index=%d\n", cp->dev)); 1728 1729 if (sc->sc_dying) 1730 return (EIO); 1731 1732 n = cp->dev - UAC_NCLASSES; 1733 if (n < 0 || n >= sc->sc_nctls) 1734 return (ENXIO); 1735 mc = &sc->sc_ctls[n]; 1736 1737 if (mc->type == MIX_ON_OFF) { 1738 if (cp->type != AUDIO_MIXER_ENUM) 1739 return (EINVAL); 1740 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 1741 } else { 1742 if (cp->type != AUDIO_MIXER_VALUE) 1743 return (EINVAL); 1744 if (cp->un.value.num_channels != 1 && 1745 cp->un.value.num_channels != mc->nchan) 1746 return (EINVAL); 1747 for (i = 0; i < mc->nchan; i++) 1748 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 1749 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 1750 for (val = 0, i = 0; i < mc->nchan; i++) 1751 val += vals[i]; 1752 vals[0] = val / mc->nchan; 1753 } 1754 for (i = 0; i < cp->un.value.num_channels; i++) 1755 cp->un.value.level[i] = vals[i]; 1756 } 1757 1758 return (0); 1759 } 1760 1761 int 1762 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1763 { 1764 struct uaudio_softc *sc = addr; 1765 struct mixerctl *mc; 1766 int i, n, vals[MIX_MAX_CHAN]; 1767 1768 DPRINTFN(2,("uaudio_mixer_set_port: index = %d\n", cp->dev)); 1769 if (sc->sc_dying) 1770 return (EIO); 1771 1772 n = cp->dev - UAC_NCLASSES; 1773 if (n < 0 || n >= sc->sc_nctls) 1774 return (ENXIO); 1775 mc = &sc->sc_ctls[n]; 1776 1777 if (mc->type == MIX_ON_OFF) { 1778 if (cp->type != AUDIO_MIXER_ENUM) 1779 return (EINVAL); 1780 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 1781 } else { 1782 if (cp->type != AUDIO_MIXER_VALUE) 1783 return (EINVAL); 1784 if (cp->un.value.num_channels == 1) 1785 for (i = 0; i < mc->nchan; i++) 1786 vals[i] = cp->un.value.level[0]; 1787 else if (cp->un.value.num_channels == mc->nchan) 1788 for (i = 0; i < mc->nchan; i++) 1789 vals[i] = cp->un.value.level[i]; 1790 else 1791 return (EINVAL); 1792 for (i = 0; i < mc->nchan; i++) 1793 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 1794 } 1795 return (0); 1796 } 1797 1798 int 1799 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 1800 void (*intr)(void *), void *arg, 1801 struct audio_params *param) 1802 { 1803 struct uaudio_softc *sc = addr; 1804 struct chan *ch = &sc->sc_recchan; 1805 usbd_status err; 1806 int i, s; 1807 1808 if (sc->sc_dying) 1809 return (EIO); 1810 1811 DPRINTFN(3,("uaudio_trigger_input: sc=%p start=%p end=%p " 1812 "blksize=%d\n", sc, start, end, blksize)); 1813 1814 uaudio_chan_set_param(ch, start, end, blksize); 1815 DPRINTFN(3,("uaudio_trigger_input: sample_size=%d bytes/frame=%d " 1816 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1817 ch->fraction)); 1818 1819 err = uaudio_chan_alloc_buffers(sc, ch); 1820 if (err) 1821 return (EIO); 1822 1823 err = uaudio_chan_open(sc, ch); 1824 if (err) { 1825 uaudio_chan_free_buffers(sc, ch); 1826 return (EIO); 1827 } 1828 1829 ch->intr = intr; 1830 ch->arg = arg; 1831 1832 s = splusb(); 1833 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX -1 shouldn't be needed */ 1834 uaudio_chan_rtransfer(ch); 1835 splx(s); 1836 1837 return (0); 1838 } 1839 1840 int 1841 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 1842 void (*intr)(void *), void *arg, 1843 struct audio_params *param) 1844 { 1845 struct uaudio_softc *sc = addr; 1846 struct chan *ch = &sc->sc_playchan; 1847 usbd_status err; 1848 int i, s; 1849 1850 if (sc->sc_dying) 1851 return (EIO); 1852 1853 DPRINTFN(3,("uaudio_trigger_output: sc=%p start=%p end=%p " 1854 "blksize=%d\n", sc, start, end, blksize)); 1855 1856 uaudio_chan_set_param(ch, start, end, blksize); 1857 DPRINTFN(3,("uaudio_trigger_output: sample_size=%d bytes/frame=%d " 1858 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 1859 ch->fraction)); 1860 1861 err = uaudio_chan_alloc_buffers(sc, ch); 1862 if (err) 1863 return (EIO); 1864 1865 err = uaudio_chan_open(sc, ch); 1866 if (err) { 1867 uaudio_chan_free_buffers(sc, ch); 1868 return (EIO); 1869 } 1870 1871 ch->intr = intr; 1872 ch->arg = arg; 1873 1874 s = splusb(); 1875 for (i = 0; i < UAUDIO_NCHANBUFS-1; i++) /* XXX */ 1876 uaudio_chan_ptransfer(ch); 1877 splx(s); 1878 1879 return (0); 1880 } 1881 1882 /* Set up a pipe for a channel. */ 1883 usbd_status 1884 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 1885 { 1886 struct as_info *as = &sc->sc_alts[ch->altidx]; 1887 int endpt = as->edesc->bEndpointAddress; 1888 usbd_status err; 1889 1890 DPRINTF(("uaudio_chan_open: endpt=0x%02x, speed=%d, alt=%d\n", 1891 endpt, ch->sample_rate, as->alt)); 1892 1893 /* Set alternate interface corresponding to the mode. */ 1894 err = usbd_set_interface(as->ifaceh, as->alt); 1895 if (err) 1896 return (err); 1897 1898 /* Some devices do not support this request, so ignore errors. */ 1899 #ifdef UAUDIO_DEBUG 1900 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 1901 if (err) 1902 DPRINTF(("uaudio_chan_open: set_speed failed err=%s\n", 1903 usbd_errstr(err))); 1904 #else 1905 (void)uaudio_set_speed(sc, endpt, ch->sample_rate); 1906 #endif 1907 1908 DPRINTF(("uaudio_chan_open: create pipe to 0x%02x\n", endpt)); 1909 err = usbd_open_pipe(as->ifaceh, endpt, 0, &ch->pipe); 1910 return (err); 1911 } 1912 1913 void 1914 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 1915 { 1916 struct as_info *as = &sc->sc_alts[ch->altidx]; 1917 1918 as->sc_busy = 0; 1919 if (sc->sc_nullalt >= 0) { 1920 DPRINTF(("uaudio_chan_close: set null alt=%d\n", 1921 sc->sc_nullalt)); 1922 usbd_set_interface(as->ifaceh, sc->sc_nullalt); 1923 } 1924 usbd_abort_pipe(ch->pipe); 1925 usbd_close_pipe(ch->pipe); 1926 } 1927 1928 usbd_status 1929 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 1930 { 1931 usbd_xfer_handle xfer; 1932 void *buf; 1933 int i, size; 1934 1935 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 1936 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 1937 xfer = usbd_alloc_xfer(sc->sc_udev); 1938 if (xfer == 0) 1939 goto bad; 1940 ch->chanbufs[i].xfer = xfer; 1941 buf = usbd_alloc_buffer(xfer, size); 1942 if (buf == 0) { 1943 i++; 1944 goto bad; 1945 } 1946 ch->chanbufs[i].buffer = buf; 1947 ch->chanbufs[i].chan = ch; 1948 } 1949 1950 return (USBD_NORMAL_COMPLETION); 1951 1952 bad: 1953 while (--i >= 0) 1954 /* implicit buffer free */ 1955 usbd_free_xfer(ch->chanbufs[i].xfer); 1956 return (USBD_NOMEM); 1957 } 1958 1959 void 1960 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 1961 { 1962 int i; 1963 1964 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 1965 usbd_free_xfer(ch->chanbufs[i].xfer); 1966 } 1967 1968 /* Called at splusb() */ 1969 void 1970 uaudio_chan_ptransfer(struct chan *ch) 1971 { 1972 struct chanbuf *cb; 1973 int i, n, size, residue, total; 1974 1975 if (ch->sc->sc_dying) 1976 return; 1977 1978 /* Pick the next channel buffer. */ 1979 cb = &ch->chanbufs[ch->curchanbuf]; 1980 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 1981 ch->curchanbuf = 0; 1982 1983 /* Compute the size of each frame in the next transfer. */ 1984 residue = ch->residue; 1985 total = 0; 1986 for (i = 0; i < UAUDIO_NFRAMES; i++) { 1987 size = ch->bytes_per_frame; 1988 residue += ch->fraction; 1989 if (residue >= USB_FRAMES_PER_SECOND) { 1990 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 1991 size += ch->sample_size; 1992 residue -= USB_FRAMES_PER_SECOND; 1993 } 1994 cb->sizes[i] = size; 1995 total += size; 1996 } 1997 ch->residue = residue; 1998 cb->size = total; 1999 2000 /* 2001 * Transfer data from upper layer buffer to channel buffer, taking 2002 * care of wrapping the upper layer buffer. 2003 */ 2004 n = min(total, ch->end - ch->cur); 2005 memcpy(cb->buffer, ch->cur, n); 2006 ch->cur += n; 2007 if (ch->cur >= ch->end) 2008 ch->cur = ch->start; 2009 if (total > n) { 2010 total -= n; 2011 memcpy(cb->buffer + n, ch->cur, total); 2012 ch->cur += total; 2013 } 2014 2015 #ifdef UAUDIO_DEBUG 2016 if (uaudiodebug > 8) { 2017 DPRINTF(("uaudio_chan_ptransfer: buffer=%p, residue=0.%03d\n", 2018 cb->buffer, ch->residue)); 2019 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2020 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2021 } 2022 } 2023 #endif 2024 2025 DPRINTFN(5,("uaudio_chan_transfer: ptransfer xfer=%p\n", cb->xfer)); 2026 /* Fill the request */ 2027 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2028 UAUDIO_NFRAMES, USBD_NO_COPY, 2029 uaudio_chan_pintr); 2030 2031 (void)usbd_transfer(cb->xfer); 2032 } 2033 2034 void 2035 uaudio_chan_pintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2036 usbd_status status) 2037 { 2038 struct chanbuf *cb = priv; 2039 struct chan *ch = cb->chan; 2040 u_int32_t count; 2041 int s; 2042 2043 /* Return if we are aborting. */ 2044 if (status == USBD_CANCELLED) 2045 return; 2046 2047 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2048 DPRINTFN(5,("uaudio_chan_pintr: count=%d, transferred=%d\n", 2049 count, ch->transferred)); 2050 #ifdef DIAGNOSTIC 2051 if (count != cb->size) { 2052 printf("uaudio_chan_pintr: count(%d) != size(%d)\n", 2053 count, cb->size); 2054 } 2055 #endif 2056 2057 ch->transferred += cb->size; 2058 s = splaudio(); 2059 /* Call back to upper layer */ 2060 while (ch->transferred >= ch->blksize) { 2061 ch->transferred -= ch->blksize; 2062 DPRINTFN(5,("uaudio_chan_pintr: call %p(%p)\n", 2063 ch->intr, ch->arg)); 2064 ch->intr(ch->arg); 2065 } 2066 splx(s); 2067 2068 /* start next transfer */ 2069 uaudio_chan_ptransfer(ch); 2070 } 2071 2072 /* Called at splusb() */ 2073 void 2074 uaudio_chan_rtransfer(struct chan *ch) 2075 { 2076 struct chanbuf *cb; 2077 int i, size, residue, total; 2078 2079 if (ch->sc->sc_dying) 2080 return; 2081 2082 /* Pick the next channel buffer. */ 2083 cb = &ch->chanbufs[ch->curchanbuf]; 2084 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2085 ch->curchanbuf = 0; 2086 2087 /* Compute the size of each frame in the next transfer. */ 2088 residue = ch->residue; 2089 total = 0; 2090 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2091 size = ch->bytes_per_frame; 2092 residue += ch->fraction; 2093 if (residue >= USB_FRAMES_PER_SECOND) { 2094 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 2095 size += ch->sample_size; 2096 residue -= USB_FRAMES_PER_SECOND; 2097 } 2098 cb->sizes[i] = size; 2099 cb->offsets[i] = total; 2100 total += size; 2101 } 2102 ch->residue = residue; 2103 cb->size = total; 2104 2105 #ifdef UAUDIO_DEBUG 2106 if (uaudiodebug > 8) { 2107 DPRINTF(("uaudio_chan_rtransfer: buffer=%p, residue=0.%03d\n", 2108 cb->buffer, ch->residue)); 2109 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2110 DPRINTF((" [%d] length %d\n", i, cb->sizes[i])); 2111 } 2112 } 2113 #endif 2114 2115 DPRINTFN(5,("uaudio_chan_rtransfer: transfer xfer=%p\n", cb->xfer)); 2116 /* Fill the request */ 2117 usbd_setup_isoc_xfer(cb->xfer, ch->pipe, cb, cb->sizes, 2118 UAUDIO_NFRAMES, USBD_NO_COPY, 2119 uaudio_chan_rintr); 2120 2121 (void)usbd_transfer(cb->xfer); 2122 } 2123 2124 void 2125 uaudio_chan_rintr(usbd_xfer_handle xfer, usbd_private_handle priv, 2126 usbd_status status) 2127 { 2128 struct chanbuf *cb = priv; 2129 struct chan *ch = cb->chan; 2130 u_int32_t count; 2131 int s, i, n, frsize; 2132 2133 /* Return if we are aborting. */ 2134 if (status == USBD_CANCELLED) 2135 return; 2136 2137 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2138 DPRINTFN(5,("uaudio_chan_rintr: count=%d, transferred=%d\n", 2139 count, ch->transferred)); 2140 2141 /* count < cb->size is normal for asynchronous source */ 2142 #ifdef DIAGNOSTIC 2143 if (count > cb->size) { 2144 printf("uaudio_chan_rintr: count(%d) > size(%d)\n", 2145 count, cb->size); 2146 } 2147 #endif 2148 2149 /* 2150 * Transfer data from channel buffer to upper layer buffer, taking 2151 * care of wrapping the upper layer buffer. 2152 */ 2153 for(i = 0; i < UAUDIO_NFRAMES; i++) { 2154 frsize = cb->sizes[i]; 2155 n = min(frsize, ch->end - ch->cur); 2156 memcpy(ch->cur, cb->buffer + cb->offsets[i], n); 2157 ch->cur += n; 2158 if (ch->cur >= ch->end) 2159 ch->cur = ch->start; 2160 if (frsize > n) { 2161 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n, 2162 frsize - n); 2163 ch->cur += frsize - n; 2164 } 2165 } 2166 2167 /* Call back to upper layer */ 2168 ch->transferred += count; 2169 s = splaudio(); 2170 while (ch->transferred >= ch->blksize) { 2171 ch->transferred -= ch->blksize; 2172 DPRINTFN(5,("uaudio_chan_rintr: call %p(%p)\n", 2173 ch->intr, ch->arg)); 2174 ch->intr(ch->arg); 2175 } 2176 splx(s); 2177 2178 /* start next transfer */ 2179 uaudio_chan_rtransfer(ch); 2180 } 2181 2182 void 2183 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param) 2184 { 2185 int samples_per_frame, sample_size; 2186 2187 ch->altidx = altidx; 2188 sample_size = param->precision * param->factor * param->hw_channels / 8; 2189 samples_per_frame = param->hw_sample_rate / USB_FRAMES_PER_SECOND; 2190 ch->fraction = param->hw_sample_rate % USB_FRAMES_PER_SECOND; 2191 ch->sample_size = sample_size; 2192 ch->sample_rate = param->hw_sample_rate; 2193 ch->bytes_per_frame = samples_per_frame * sample_size; 2194 ch->residue = 0; 2195 } 2196 2197 void 2198 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize) 2199 { 2200 ch->start = start; 2201 ch->end = end; 2202 ch->cur = start; 2203 ch->blksize = blksize; 2204 ch->transferred = 0; 2205 2206 ch->curchanbuf = 0; 2207 } 2208 2209 void 2210 uaudio_get_minmax_rates(int nalts, const struct as_info *alts, 2211 const struct audio_params *p, int mode, 2212 u_long *min, u_long *max) 2213 { 2214 int i, j; 2215 struct usb_audio_streaming_type1_descriptor *a1d; 2216 2217 *min = ULONG_MAX; 2218 *max = 0; 2219 for (i = 0; i < nalts; i++) { 2220 a1d = alts[i].asf1desc; 2221 if (alts[i].sc_busy) 2222 continue; 2223 if (p->hw_channels != a1d->bNrChannels) 2224 continue; 2225 if (p->hw_precision != a1d->bBitResolution) 2226 continue; 2227 if (p->hw_encoding != alts[i].encoding) 2228 continue; 2229 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress)) 2230 continue; 2231 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2232 DPRINTFN(2,("uaudio_get_minmax_rates: cont %d-%d\n", 2233 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2234 if (UA_SAMP_LO(a1d) < *min) 2235 *min = UA_SAMP_LO(a1d); 2236 if (UA_SAMP_HI(a1d) > *max) 2237 *max = UA_SAMP_HI(a1d); 2238 } else { 2239 for (j = 0; j < a1d->bSamFreqType; j++) { 2240 DPRINTFN(2,("uaudio_get_minmax_rates: disc #%d: %d\n", 2241 j, UA_GETSAMP(a1d, j))); 2242 if (UA_GETSAMP(a1d, j) < *min) 2243 *min = UA_GETSAMP(a1d, j); 2244 if (UA_GETSAMP(a1d, j) > *max) 2245 *max = UA_GETSAMP(a1d, j); 2246 } 2247 } 2248 } 2249 } 2250 2251 int 2252 uaudio_match_alt_sub(int nalts, const struct as_info *alts, 2253 const struct audio_params *p, int mode, u_long rate) 2254 { 2255 int i, j; 2256 struct usb_audio_streaming_type1_descriptor *a1d; 2257 2258 DPRINTF(("uaudio_match_alt_sub: search for %luHz %dch\n", 2259 rate, p->hw_channels)); 2260 for (i = 0; i < nalts; i++) { 2261 a1d = alts[i].asf1desc; 2262 if (alts[i].sc_busy) 2263 continue; 2264 if (p->hw_channels != a1d->bNrChannels) 2265 continue; 2266 if (p->hw_precision != a1d->bBitResolution) 2267 continue; 2268 if (p->hw_encoding != alts[i].encoding) 2269 continue; 2270 if (mode != UE_GET_DIR(alts[i].edesc->bEndpointAddress)) 2271 continue; 2272 if (a1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 2273 DPRINTFN(2,("uaudio_match_alt_sub: cont %d-%d\n", 2274 UA_SAMP_LO(a1d), UA_SAMP_HI(a1d))); 2275 if (UA_SAMP_LO(a1d) < rate && rate < UA_SAMP_HI(a1d)) 2276 return i; 2277 } else { 2278 for (j = 0; j < a1d->bSamFreqType; j++) { 2279 DPRINTFN(2,("uaudio_match_alt_sub: disc #%d: %d\n", 2280 j, UA_GETSAMP(a1d, j))); 2281 /* XXX allow for some slack */ 2282 if (UA_GETSAMP(a1d, j) == rate) 2283 return i; 2284 } 2285 } 2286 } 2287 return -1; 2288 } 2289 2290 int 2291 uaudio_match_alt_chan(int nalts, const struct as_info *alts, 2292 struct audio_params *p, int mode) 2293 { 2294 int i, n; 2295 u_long min, max; 2296 u_long rate; 2297 2298 /* Exact match */ 2299 DPRINTF(("uaudio_match_alt_chan: examine %ldHz %dch %dbit.\n", 2300 p->sample_rate, p->hw_channels, p->hw_precision)); 2301 i = uaudio_match_alt_sub(nalts, alts, p, mode, p->sample_rate); 2302 if (i >= 0) 2303 return i; 2304 2305 uaudio_get_minmax_rates(nalts, alts, p, mode, &min, &max); 2306 DPRINTF(("uaudio_match_alt_chan: min=%lu max=%lu\n", min, max)); 2307 if (max <= 0) 2308 return -1; 2309 /* Search for biggers */ 2310 n = 2; 2311 while ((rate = p->sample_rate * n++) <= max) { 2312 i = uaudio_match_alt_sub(nalts, alts, p, mode, rate); 2313 if (i >= 0) { 2314 p->hw_sample_rate = rate; 2315 return i; 2316 } 2317 } 2318 if (p->sample_rate >= min) { 2319 i = uaudio_match_alt_sub(nalts, alts, p, mode, max); 2320 if (i >= 0) { 2321 p->hw_sample_rate = max; 2322 return i; 2323 } 2324 } else { 2325 i = uaudio_match_alt_sub(nalts, alts, p, mode, min); 2326 if (i >= 0) { 2327 p->hw_sample_rate = min; 2328 return i; 2329 } 2330 } 2331 return -1; 2332 } 2333 2334 int 2335 uaudio_match_alt(int nalts, const struct as_info *alts, 2336 struct audio_params *p, int mode) 2337 { 2338 int i, n; 2339 2340 mode = mode == AUMODE_PLAY ? UE_DIR_OUT : UE_DIR_IN; 2341 i = uaudio_match_alt_chan(nalts, alts, p, mode); 2342 if (i >= 0) 2343 return i; 2344 2345 for (n = p->channels + 1; n <= AUDIO_MAX_CHANNELS; n++) { 2346 p->hw_channels = n; 2347 i = uaudio_match_alt_chan(nalts, alts, p, mode); 2348 if (i >= 0) 2349 return i; 2350 } 2351 2352 if (p->channels != 2) 2353 return -1; 2354 p->hw_channels = 1; 2355 return uaudio_match_alt_chan(nalts, alts, p, mode); 2356 } 2357 2358 int 2359 uaudio_set_params(void *addr, int setmode, int usemode, 2360 struct audio_params *play, struct audio_params *rec) 2361 { 2362 struct uaudio_softc *sc = addr; 2363 int flags = sc->sc_altflags; 2364 int factor; 2365 int enc, i; 2366 int paltidx=-1, raltidx=-1; 2367 void (*swcode)(void *, u_char *buf, int cnt); 2368 struct audio_params *p; 2369 int mode; 2370 2371 if (sc->sc_dying) 2372 return (EIO); 2373 2374 if ((usemode == AUMODE_RECORD && sc->sc_recchan.pipe != NULL) 2375 || (usemode == AUMODE_PLAY && sc->sc_playchan.pipe != NULL)) 2376 return (EBUSY); 2377 2378 if (usemode & AUMODE_PLAY && sc->sc_playchan.altidx != -1) 2379 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0; 2380 if (usemode & AUMODE_RECORD && sc->sc_recchan.altidx != -1) 2381 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0; 2382 2383 for (mode = AUMODE_RECORD; mode != -1; 2384 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 2385 if ((setmode & mode) == 0) 2386 continue; 2387 2388 if ((sc->sc_mode & mode) == 0) 2389 continue; 2390 2391 p = (mode == AUMODE_PLAY) ? play : rec; 2392 2393 factor = 1; 2394 swcode = 0; 2395 enc = p->encoding; 2396 switch (enc) { 2397 case AUDIO_ENCODING_SLINEAR_BE: 2398 /* FALLTHROUGH */ 2399 case AUDIO_ENCODING_SLINEAR_LE: 2400 if (enc == AUDIO_ENCODING_SLINEAR_BE 2401 && p->precision == 16 && (flags & HAS_16)) { 2402 swcode = swap_bytes; 2403 enc = AUDIO_ENCODING_SLINEAR_LE; 2404 } else if (p->precision == 8) { 2405 if (flags & HAS_8) { 2406 /* No conversion */ 2407 } else if (flags & HAS_8U) { 2408 swcode = change_sign8; 2409 enc = AUDIO_ENCODING_ULINEAR_LE; 2410 } else if (flags & HAS_16) { 2411 factor = 2; 2412 p->hw_precision = 16; 2413 if (mode == AUMODE_PLAY) 2414 swcode = linear8_to_linear16_le; 2415 else 2416 swcode = linear16_to_linear8_le; 2417 } 2418 } 2419 break; 2420 case AUDIO_ENCODING_ULINEAR_BE: 2421 /* FALLTHROUGH */ 2422 case AUDIO_ENCODING_ULINEAR_LE: 2423 if (p->precision == 16) { 2424 if (enc == AUDIO_ENCODING_ULINEAR_LE) 2425 swcode = change_sign16_le; 2426 else if (mode == AUMODE_PLAY) 2427 swcode = swap_bytes_change_sign16_le; 2428 else 2429 swcode = change_sign16_swap_bytes_le; 2430 enc = AUDIO_ENCODING_SLINEAR_LE; 2431 } else if (p->precision == 8) { 2432 if (flags & HAS_8U) { 2433 /* No conversion */ 2434 } else if (flags & HAS_8) { 2435 swcode = change_sign8; 2436 enc = AUDIO_ENCODING_SLINEAR_LE; 2437 } else if (flags & HAS_16) { 2438 factor = 2; 2439 p->hw_precision = 16; 2440 enc = AUDIO_ENCODING_SLINEAR_LE; 2441 if (mode == AUMODE_PLAY) 2442 swcode = ulinear8_to_slinear16_le; 2443 else 2444 swcode = slinear16_to_ulinear8_le; 2445 } 2446 } 2447 break; 2448 case AUDIO_ENCODING_ULAW: 2449 if (flags & HAS_MULAW) 2450 break; 2451 if (flags & HAS_16) { 2452 if (mode == AUMODE_PLAY) 2453 swcode = mulaw_to_slinear16_le; 2454 else 2455 swcode = slinear16_to_mulaw_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 = mulaw_to_ulinear8; 2462 else 2463 swcode = ulinear8_to_mulaw; 2464 enc = AUDIO_ENCODING_ULINEAR_LE; 2465 } else if (flags & HAS_8) { 2466 if (mode == AUMODE_PLAY) 2467 swcode = mulaw_to_slinear8; 2468 else 2469 swcode = slinear8_to_mulaw; 2470 enc = AUDIO_ENCODING_SLINEAR_LE; 2471 } else 2472 return (EINVAL); 2473 break; 2474 case AUDIO_ENCODING_ALAW: 2475 if (flags & HAS_ALAW) 2476 break; 2477 if (mode == AUMODE_PLAY && (flags & HAS_16)) { 2478 swcode = alaw_to_slinear16_le; 2479 factor = 2; 2480 enc = AUDIO_ENCODING_SLINEAR_LE; 2481 p->hw_precision = 16; 2482 } else if (flags & HAS_8U) { 2483 if (mode == AUMODE_PLAY) 2484 swcode = alaw_to_ulinear8; 2485 else 2486 swcode = ulinear8_to_alaw; 2487 enc = AUDIO_ENCODING_ULINEAR_LE; 2488 } else if (flags & HAS_8) { 2489 if (mode == AUMODE_PLAY) 2490 swcode = alaw_to_slinear8; 2491 else 2492 swcode = slinear8_to_alaw; 2493 enc = AUDIO_ENCODING_SLINEAR_LE; 2494 } else 2495 return (EINVAL); 2496 break; 2497 default: 2498 return (EINVAL); 2499 } 2500 /* XXX do some other conversions... */ 2501 2502 DPRINTF(("uaudio_set_params: chan=%d prec=%d enc=%d rate=%ld\n", 2503 p->channels, p->hw_precision, enc, p->sample_rate)); 2504 2505 p->hw_encoding = enc; 2506 i = uaudio_match_alt(sc->sc_nalts, sc->sc_alts, p, mode); 2507 if (i < 0) 2508 return (EINVAL); 2509 2510 p->sw_code = swcode; 2511 p->factor = factor; 2512 if (usemode & mode) { 2513 if (mode == AUMODE_PLAY) { 2514 paltidx = i; 2515 sc->sc_alts[i].sc_busy = 1; 2516 } else { 2517 raltidx = i; 2518 sc->sc_alts[i].sc_busy = 1; 2519 } 2520 } 2521 } 2522 2523 if ((usemode & AUMODE_PLAY) /*&& paltidx != sc->sc_playchan.altidx*/) { 2524 /* XXX abort transfer if currently happening? */ 2525 uaudio_chan_init(&sc->sc_playchan, paltidx, play); 2526 } 2527 if ((usemode & AUMODE_RECORD) /*&& raltidx != sc->sc_recchan.altidx*/) { 2528 /* XXX abort transfer if currently happening? */ 2529 uaudio_chan_init(&sc->sc_recchan, raltidx, rec); 2530 } 2531 2532 DPRINTF(("uaudio_set_params: use altidx=p%d/r%d, altno=p%d/r%d\n", 2533 sc->sc_playchan.altidx, sc->sc_recchan.altidx, 2534 (sc->sc_playchan.altidx >= 0) 2535 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting 2536 : -1, 2537 (sc->sc_recchan.altidx >= 0) 2538 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting 2539 : -1)); 2540 2541 return (0); 2542 } 2543 2544 usbd_status 2545 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed) 2546 { 2547 usb_device_request_t req; 2548 u_int8_t data[3]; 2549 2550 DPRINTFN(5,("uaudio_set_speed: endpt=%d speed=%u\n", endpt, speed)); 2551 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 2552 req.bRequest = SET_CUR; 2553 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 2554 USETW(req.wIndex, endpt); 2555 USETW(req.wLength, 3); 2556 data[0] = speed; 2557 data[1] = speed >> 8; 2558 data[2] = speed >> 16; 2559 2560 return (usbd_do_request(sc->sc_udev, &req, data)); 2561 } 2562
Indexes created Fri Sep 26 20:09:58 GMT 2025