1 /* $NetBSD: uaudio.c,v 1.165 2020/03/14 02:35:33 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2012 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart@augustsson.net) at 9 * Carlstedt Research & Technology, and Matthew R. Green (mrg@eterna.com.au). 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * USB audio specs: http://www.usb.org/developers/docs/devclass_docs/audio10.pdf 35 * http://www.usb.org/developers/docs/devclass_docs/frmts10.pdf 36 * http://www.usb.org/developers/docs/devclass_docs/termt10.pdf 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: uaudio.c,v 1.165 2020/03/14 02:35:33 christos Exp $"); 41 42 #ifdef _KERNEL_OPT 43 #include "opt_usb.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #include <sys/device.h> 51 #include <sys/ioctl.h> 52 #include <sys/file.h> 53 #include <sys/reboot.h> /* for bootverbose */ 54 #include <sys/select.h> 55 #include <sys/proc.h> 56 #include <sys/vnode.h> 57 #include <sys/poll.h> 58 #include <sys/module.h> 59 #include <sys/bus.h> 60 #include <sys/cpu.h> 61 #include <sys/atomic.h> 62 63 #include <sys/audioio.h> 64 #include <dev/audio/audio_if.h> 65 66 #include <dev/usb/usb.h> 67 #include <dev/usb/usbdi.h> 68 #include <dev/usb/usbdivar.h> 69 #include <dev/usb/usbdi_util.h> 70 #include <dev/usb/usb_quirks.h> 71 72 #include <dev/usb/usbdevs.h> 73 74 #include <dev/usb/uaudioreg.h> 75 76 /* #define UAUDIO_DEBUG */ 77 /* #define UAUDIO_MULTIPLE_ENDPOINTS */ 78 #ifdef UAUDIO_DEBUG 79 #define DPRINTF(x,y...) do { \ 80 if (uaudiodebug) { \ 81 struct lwp *l = curlwp; \ 82 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \ 83 } \ 84 } while (0) 85 #define DPRINTFN_CLEAN(n,x...) do { \ 86 if (uaudiodebug > (n)) \ 87 printf(x); \ 88 } while (0) 89 #define DPRINTFN(n,x,y...) do { \ 90 if (uaudiodebug > (n)) { \ 91 struct lwp *l = curlwp; \ 92 printf("%s[%d:%d]: "x, __func__, l->l_proc->p_pid, l->l_lid, y); \ 93 } \ 94 } while (0) 95 int uaudiodebug = 0; 96 #else 97 #define DPRINTF(x,y...) 98 #define DPRINTFN_CLEAN(n,x...) 99 #define DPRINTFN(n,x,y...) 100 #endif 101 102 #define UAUDIO_NCHANBUFS 6 /* number of outstanding request */ 103 #define UAUDIO_NFRAMES 10 /* ms of sound in each request */ 104 105 106 #define MIX_MAX_CHAN 8 107 struct mixerctl { 108 uint16_t wValue[MIX_MAX_CHAN]; /* using nchan */ 109 uint16_t wIndex; 110 uint8_t nchan; 111 uint8_t type; 112 #define MIX_ON_OFF 1 113 #define MIX_SIGNED_16 2 114 #define MIX_UNSIGNED_16 3 115 #define MIX_SIGNED_8 4 116 #define MIX_SELECTOR 5 117 #define MIX_SIZE(n) ((n) == MIX_SIGNED_16 || (n) == MIX_UNSIGNED_16 ? 2 : 1) 118 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16) 119 int minval, maxval; 120 u_int delta; 121 u_int mul; 122 uint8_t class; 123 char ctlname[MAX_AUDIO_DEV_LEN]; 124 const char *ctlunit; 125 }; 126 #define MAKE(h,l) (((h) << 8) | (l)) 127 128 struct as_info { 129 uint8_t alt; 130 uint8_t encoding; 131 uint8_t attributes; /* Copy of bmAttributes of 132 * usb_audio_streaming_endpoint_descriptor 133 */ 134 struct usbd_interface * ifaceh; 135 const usb_interface_descriptor_t *idesc; 136 const usb_endpoint_descriptor_audio_t *edesc; 137 const usb_endpoint_descriptor_audio_t *edesc1; 138 const struct usb_audio_streaming_type1_descriptor *asf1desc; 139 struct audio_format *aformat; 140 int sc_busy; /* currently used */ 141 }; 142 143 struct chan { 144 void (*intr)(void *); /* DMA completion intr handler */ 145 void *arg; /* arg for intr() */ 146 struct usbd_pipe *pipe; 147 struct usbd_pipe *sync_pipe; 148 149 u_int sample_size; 150 u_int sample_rate; 151 u_int bytes_per_frame; 152 u_int fraction; /* fraction/1000 is the extra samples/frame */ 153 u_int residue; /* accumulates the fractional samples */ 154 155 u_char *start; /* upper layer buffer start */ 156 u_char *end; /* upper layer buffer end */ 157 u_char *cur; /* current position in upper layer buffer */ 158 int blksize; /* chunk size to report up */ 159 int transferred; /* transferred bytes not reported up */ 160 161 int altidx; /* currently used altidx */ 162 163 int curchanbuf; 164 struct chanbuf { 165 struct chan *chan; 166 struct usbd_xfer *xfer; 167 u_char *buffer; 168 uint16_t sizes[UAUDIO_NFRAMES]; 169 uint16_t offsets[UAUDIO_NFRAMES]; 170 uint16_t size; 171 } chanbufs[UAUDIO_NCHANBUFS]; 172 173 struct uaudio_softc *sc; /* our softc */ 174 }; 175 176 /* 177 * The MI USB audio subsystem is now MP-SAFE and expects sc_intr_lock to be 178 * held on entry the callbacks passed to uaudio_trigger_{in,out}put 179 */ 180 struct uaudio_softc { 181 device_t sc_dev; /* base device */ 182 kmutex_t sc_lock; 183 kmutex_t sc_intr_lock; 184 struct usbd_device *sc_udev; /* USB device */ 185 int sc_ac_iface; /* Audio Control interface */ 186 struct usbd_interface * sc_ac_ifaceh; 187 struct chan sc_playchan; /* play channel */ 188 struct chan sc_recchan; /* record channel */ 189 int sc_nullalt; 190 int sc_audio_rev; 191 struct as_info *sc_alts; /* alternate settings */ 192 int sc_nalts; /* # of alternate settings */ 193 int sc_altflags; 194 #define HAS_8 0x01 195 #define HAS_16 0x02 196 #define HAS_8U 0x04 197 #define HAS_ALAW 0x08 198 #define HAS_MULAW 0x10 199 #define UA_NOFRAC 0x20 /* don't do sample rate adjustment */ 200 #define HAS_24 0x40 201 int sc_mode; /* play/record capability */ 202 struct mixerctl *sc_ctls; /* mixer controls */ 203 int sc_nctls; /* # of mixer controls */ 204 device_t sc_audiodev; 205 struct audio_format *sc_formats; 206 int sc_nformats; 207 u_int sc_channel_config; 208 char sc_dying; 209 struct audio_device sc_adev; 210 }; 211 212 struct terminal_list { 213 int size; 214 uint16_t terminals[1]; 215 }; 216 #define TERMINAL_LIST_SIZE(N) (offsetof(struct terminal_list, terminals) \ 217 + sizeof(uint16_t) * (N)) 218 219 struct io_terminal { 220 union { 221 const uaudio_cs_descriptor_t *desc; 222 const struct usb_audio_input_terminal *it; 223 const struct usb_audio_output_terminal *ot; 224 const struct usb_audio_mixer_unit *mu; 225 const struct usb_audio_selector_unit *su; 226 const struct usb_audio_feature_unit *fu; 227 const struct usb_audio_processing_unit *pu; 228 const struct usb_audio_extension_unit *eu; 229 } d; 230 int inputs_size; 231 struct terminal_list **inputs; /* list of source input terminals */ 232 struct terminal_list *output; /* list of destination output terminals */ 233 int direct; /* directly connected to an output terminal */ 234 }; 235 236 #define UAC_OUTPUT 0 237 #define UAC_INPUT 1 238 #define UAC_EQUAL 2 239 #define UAC_RECORD 3 240 #define UAC_NCLASSES 4 241 #ifdef UAUDIO_DEBUG 242 Static const char *uac_names[] = { 243 AudioCoutputs, AudioCinputs, AudioCequalization, AudioCrecord, 244 }; 245 #endif 246 247 #ifdef UAUDIO_DEBUG 248 Static void uaudio_dump_tml 249 (struct terminal_list *tml); 250 #endif 251 Static usbd_status uaudio_identify_ac 252 (struct uaudio_softc *, const usb_config_descriptor_t *); 253 Static usbd_status uaudio_identify_as 254 (struct uaudio_softc *, const usb_config_descriptor_t *); 255 Static usbd_status uaudio_process_as 256 (struct uaudio_softc *, const char *, int *, int, 257 const usb_interface_descriptor_t *); 258 259 Static void uaudio_add_alt(struct uaudio_softc *, const struct as_info *); 260 261 Static const usb_interface_descriptor_t *uaudio_find_iface 262 (const char *, int, int *, int); 263 264 Static void uaudio_mixer_add_ctl(struct uaudio_softc *, struct mixerctl *); 265 Static char *uaudio_id_name 266 (struct uaudio_softc *, const struct io_terminal *, int); 267 #ifdef UAUDIO_DEBUG 268 Static void uaudio_dump_cluster(const struct usb_audio_cluster *); 269 #endif 270 Static struct usb_audio_cluster uaudio_get_cluster 271 (int, const struct io_terminal *); 272 Static void uaudio_add_input 273 (struct uaudio_softc *, const struct io_terminal *, int); 274 Static void uaudio_add_output 275 (struct uaudio_softc *, const struct io_terminal *, int); 276 Static void uaudio_add_mixer 277 (struct uaudio_softc *, const struct io_terminal *, int); 278 Static void uaudio_add_selector 279 (struct uaudio_softc *, const struct io_terminal *, int); 280 #ifdef UAUDIO_DEBUG 281 Static const char *uaudio_get_terminal_name(int); 282 #endif 283 Static int uaudio_determine_class 284 (const struct io_terminal *, struct mixerctl *); 285 Static const char *uaudio_feature_name 286 (const struct io_terminal *, struct mixerctl *); 287 Static void uaudio_add_feature 288 (struct uaudio_softc *, const struct io_terminal *, int); 289 Static void uaudio_add_processing_updown 290 (struct uaudio_softc *, const struct io_terminal *, int); 291 Static void uaudio_add_processing 292 (struct uaudio_softc *, const struct io_terminal *, int); 293 Static void uaudio_add_extension 294 (struct uaudio_softc *, const struct io_terminal *, int); 295 Static struct terminal_list *uaudio_merge_terminal_list 296 (const struct io_terminal *); 297 Static struct terminal_list *uaudio_io_terminaltype 298 (int, struct io_terminal *, int); 299 Static usbd_status uaudio_identify 300 (struct uaudio_softc *, const usb_config_descriptor_t *); 301 302 Static int uaudio_signext(int, int); 303 Static int uaudio_value2bsd(struct mixerctl *, int); 304 Static int uaudio_bsd2value(struct mixerctl *, int); 305 Static int uaudio_get(struct uaudio_softc *, int, int, int, int, int); 306 Static int uaudio_ctl_get 307 (struct uaudio_softc *, int, struct mixerctl *, int); 308 Static void uaudio_set 309 (struct uaudio_softc *, int, int, int, int, int, int); 310 Static void uaudio_ctl_set 311 (struct uaudio_softc *, int, struct mixerctl *, int, int); 312 313 Static usbd_status uaudio_set_speed(struct uaudio_softc *, int, u_int); 314 315 Static usbd_status uaudio_chan_open(struct uaudio_softc *, struct chan *); 316 Static void uaudio_chan_abort(struct uaudio_softc *, struct chan *); 317 Static void uaudio_chan_close(struct uaudio_softc *, struct chan *); 318 Static usbd_status uaudio_chan_alloc_buffers 319 (struct uaudio_softc *, struct chan *); 320 Static void uaudio_chan_free_buffers(struct uaudio_softc *, struct chan *); 321 Static void uaudio_chan_init 322 (struct chan *, int, const struct audio_params *, int); 323 Static void uaudio_chan_set_param(struct chan *, u_char *, u_char *, int); 324 Static void uaudio_chan_ptransfer(struct chan *); 325 Static void uaudio_chan_pintr 326 (struct usbd_xfer *, void *, usbd_status); 327 328 Static void uaudio_chan_rtransfer(struct chan *); 329 Static void uaudio_chan_rintr 330 (struct usbd_xfer *, void *, usbd_status); 331 332 Static int uaudio_open(void *, int); 333 Static int uaudio_query_format(void *, audio_format_query_t *); 334 Static int uaudio_set_format 335 (void *, int, const audio_params_t *, const audio_params_t *, 336 audio_filter_reg_t *, audio_filter_reg_t *); 337 Static int uaudio_round_blocksize(void *, int, int, const audio_params_t *); 338 Static int uaudio_trigger_output 339 (void *, void *, void *, int, void (*)(void *), void *, 340 const audio_params_t *); 341 Static int uaudio_trigger_input 342 (void *, void *, void *, int, void (*)(void *), void *, 343 const audio_params_t *); 344 Static int uaudio_halt_in_dma(void *); 345 Static int uaudio_halt_out_dma(void *); 346 Static int uaudio_getdev(void *, struct audio_device *); 347 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 348 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 349 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 350 Static int uaudio_get_props(void *); 351 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **); 352 353 Static const struct audio_hw_if uaudio_hw_if = { 354 .open = uaudio_open, 355 .query_format = uaudio_query_format, 356 .set_format = uaudio_set_format, 357 .round_blocksize = uaudio_round_blocksize, 358 .halt_output = uaudio_halt_out_dma, 359 .halt_input = uaudio_halt_in_dma, 360 .getdev = uaudio_getdev, 361 .set_port = uaudio_mixer_set_port, 362 .get_port = uaudio_mixer_get_port, 363 .query_devinfo = uaudio_query_devinfo, 364 .get_props = uaudio_get_props, 365 .trigger_output = uaudio_trigger_output, 366 .trigger_input = uaudio_trigger_input, 367 .get_locks = uaudio_get_locks, 368 }; 369 370 static int uaudio_match(device_t, cfdata_t, void *); 371 static void uaudio_attach(device_t, device_t, void *); 372 static int uaudio_detach(device_t, int); 373 static void uaudio_childdet(device_t, device_t); 374 static int uaudio_activate(device_t, enum devact); 375 376 377 378 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc), 379 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL, 380 uaudio_childdet); 381 382 static int 383 uaudio_match(device_t parent, cfdata_t match, void *aux) 384 { 385 struct usbif_attach_arg *uiaa = aux; 386 387 /* Trigger on the control interface. */ 388 if (uiaa->uiaa_class != UICLASS_AUDIO || 389 uiaa->uiaa_subclass != UISUBCLASS_AUDIOCONTROL || 390 (usbd_get_quirks(uiaa->uiaa_device)->uq_flags & UQ_BAD_AUDIO)) 391 return UMATCH_NONE; 392 393 return UMATCH_IFACECLASS_IFACESUBCLASS; 394 } 395 396 static void 397 uaudio_attach(device_t parent, device_t self, void *aux) 398 { 399 struct uaudio_softc *sc = device_private(self); 400 struct usbif_attach_arg *uiaa = aux; 401 usb_interface_descriptor_t *id; 402 usb_config_descriptor_t *cdesc; 403 char *devinfop; 404 usbd_status err; 405 int i, j, found; 406 407 sc->sc_dev = self; 408 sc->sc_udev = uiaa->uiaa_device; 409 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 410 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 411 412 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name)); 413 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version)); 414 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x", 415 sc->sc_udev->ud_cookie.cookie); 416 417 aprint_naive("\n"); 418 aprint_normal("\n"); 419 420 devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0); 421 aprint_normal_dev(self, "%s\n", devinfop); 422 usbd_devinfo_free(devinfop); 423 424 cdesc = usbd_get_config_descriptor(sc->sc_udev); 425 if (cdesc == NULL) { 426 aprint_error_dev(self, 427 "failed to get configuration descriptor\n"); 428 return; 429 } 430 431 err = uaudio_identify(sc, cdesc); 432 if (err) { 433 aprint_error_dev(self, 434 "audio descriptors make no sense, error=%d\n", err); 435 return; 436 } 437 438 sc->sc_ac_ifaceh = uiaa->uiaa_iface; 439 /* Pick up the AS interface. */ 440 for (i = 0; i < uiaa->uiaa_nifaces; i++) { 441 if (uiaa->uiaa_ifaces[i] == NULL) 442 continue; 443 id = usbd_get_interface_descriptor(uiaa->uiaa_ifaces[i]); 444 if (id == NULL) 445 continue; 446 found = 0; 447 for (j = 0; j < sc->sc_nalts; j++) { 448 if (id->bInterfaceNumber == 449 sc->sc_alts[j].idesc->bInterfaceNumber) { 450 sc->sc_alts[j].ifaceh = uiaa->uiaa_ifaces[i]; 451 found = 1; 452 } 453 } 454 if (found) 455 uiaa->uiaa_ifaces[i] = NULL; 456 } 457 458 for (j = 0; j < sc->sc_nalts; j++) { 459 if (sc->sc_alts[j].ifaceh == NULL) { 460 aprint_error_dev(self, 461 "alt %d missing AS interface(s)\n", j); 462 return; 463 } 464 } 465 466 aprint_normal_dev(self, "audio rev %d.%02x\n", 467 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 468 469 sc->sc_playchan.sc = sc->sc_recchan.sc = sc; 470 sc->sc_playchan.altidx = -1; 471 sc->sc_recchan.altidx = -1; 472 473 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 474 sc->sc_altflags |= UA_NOFRAC; 475 476 #ifndef UAUDIO_DEBUG 477 if (bootverbose) 478 #endif 479 aprint_normal_dev(self, "%d mixer controls\n", 480 sc->sc_nctls); 481 482 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 483 484 DPRINTF("%s", "doing audio_attach_mi\n"); 485 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev); 486 487 if (!pmf_device_register(self, NULL, NULL)) 488 aprint_error_dev(self, "couldn't establish power handler\n"); 489 490 return; 491 } 492 493 static int 494 uaudio_activate(device_t self, enum devact act) 495 { 496 struct uaudio_softc *sc = device_private(self); 497 498 switch (act) { 499 case DVACT_DEACTIVATE: 500 sc->sc_dying = 1; 501 return 0; 502 default: 503 return EOPNOTSUPP; 504 } 505 } 506 507 static void 508 uaudio_childdet(device_t self, device_t child) 509 { 510 struct uaudio_softc *sc = device_private(self); 511 512 KASSERT(sc->sc_audiodev == child); 513 sc->sc_audiodev = NULL; 514 } 515 516 static int 517 uaudio_detach(device_t self, int flags) 518 { 519 struct uaudio_softc *sc = device_private(self); 520 int rv = 0; 521 522 pmf_device_deregister(self); 523 524 /* Wait for outstanding requests to complete. */ 525 usbd_delay_ms(sc->sc_udev, UAUDIO_NCHANBUFS * UAUDIO_NFRAMES); 526 527 if (sc->sc_audiodev != NULL) 528 rv = config_detach(sc->sc_audiodev, flags); 529 530 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 531 532 if (sc->sc_formats != NULL) 533 kmem_free(sc->sc_formats, 534 sizeof(struct audio_format) * sc->sc_nformats); 535 536 mutex_destroy(&sc->sc_lock); 537 mutex_destroy(&sc->sc_intr_lock); 538 539 return rv; 540 } 541 542 Static int 543 uaudio_query_format(void *addr, audio_format_query_t *afp) 544 { 545 struct uaudio_softc *sc; 546 547 sc = addr; 548 return audio_query_format(sc->sc_formats, sc->sc_nformats, afp); 549 } 550 551 Static const usb_interface_descriptor_t * 552 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype) 553 { 554 const usb_interface_descriptor_t *d; 555 556 while (*offsp < size) { 557 d = (const void *)(tbuf + *offsp); 558 *offsp += d->bLength; 559 if (d->bDescriptorType == UDESC_INTERFACE && 560 d->bInterfaceClass == UICLASS_AUDIO && 561 d->bInterfaceSubClass == subtype) 562 return d; 563 } 564 return NULL; 565 } 566 567 Static void 568 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 569 { 570 int res; 571 size_t len; 572 struct mixerctl *nmc; 573 574 if (mc->class < UAC_NCLASSES) { 575 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname); 576 } else { 577 DPRINTF("adding %s\n", mc->ctlname); 578 } 579 len = sizeof(*mc) * (sc->sc_nctls + 1); 580 nmc = kmem_alloc(len, KM_SLEEP); 581 /* Copy old data, if there was any */ 582 if (sc->sc_nctls != 0) { 583 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls)); 584 kmem_free(sc->sc_ctls, sizeof(*mc) * sc->sc_nctls); 585 } 586 sc->sc_ctls = nmc; 587 588 mc->delta = 0; 589 if (mc->type == MIX_ON_OFF) { 590 mc->minval = 0; 591 mc->maxval = 1; 592 } else if (mc->type == MIX_SELECTOR) { 593 ; 594 } else { 595 /* Determine min and max values. */ 596 mc->minval = uaudio_signext(mc->type, 597 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 598 mc->wValue[0], mc->wIndex, 599 MIX_SIZE(mc->type))); 600 mc->maxval = 1 + uaudio_signext(mc->type, 601 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 602 mc->wValue[0], mc->wIndex, 603 MIX_SIZE(mc->type))); 604 mc->mul = mc->maxval - mc->minval; 605 if (mc->mul == 0) 606 mc->mul = 1; 607 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE, 608 mc->wValue[0], mc->wIndex, 609 MIX_SIZE(mc->type)); 610 if (res > 0) 611 mc->delta = (res * 255 + mc->mul/2) / mc->mul; 612 } 613 614 sc->sc_ctls[sc->sc_nctls++] = *mc; 615 616 #ifdef UAUDIO_DEBUG 617 if (uaudiodebug > 2) { 618 int i; 619 620 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]); 621 for (i = 1; i < mc->nchan; i++) 622 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]); 623 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' " 624 "min=%d max=%d\n", 625 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 626 mc->minval, mc->maxval); 627 } 628 #endif 629 } 630 631 Static char * 632 uaudio_id_name(struct uaudio_softc *sc, 633 const struct io_terminal *iot, int id) 634 { 635 static char tbuf[32]; 636 637 snprintf(tbuf, sizeof(tbuf), "i%d", id); 638 return tbuf; 639 } 640 641 #ifdef UAUDIO_DEBUG 642 Static void 643 uaudio_dump_cluster(const struct usb_audio_cluster *cl) 644 { 645 static const char *channel_names[16] = { 646 "LEFT", "RIGHT", "CENTER", "LFE", 647 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER", 648 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP", 649 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15", 650 }; 651 int cc, i, first; 652 653 cc = UGETW(cl->wChannelConfig); 654 printf("cluster: bNrChannels=%u wChannelConfig=%#.4x", 655 cl->bNrChannels, cc); 656 first = TRUE; 657 for (i = 0; cc != 0; i++) { 658 if (cc & 1) { 659 printf("%c%s", first ? '<' : ',', channel_names[i]); 660 first = FALSE; 661 } 662 cc = cc >> 1; 663 } 664 printf("> iChannelNames=%u", cl->iChannelNames); 665 } 666 #endif 667 668 Static struct usb_audio_cluster 669 uaudio_get_cluster(int id, const struct io_terminal *iot) 670 { 671 struct usb_audio_cluster r; 672 const uaudio_cs_descriptor_t *dp; 673 int i; 674 675 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 676 dp = iot[id].d.desc; 677 if (dp == 0) 678 goto bad; 679 switch (dp->bDescriptorSubtype) { 680 case UDESCSUB_AC_INPUT: 681 r.bNrChannels = iot[id].d.it->bNrChannels; 682 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig)); 683 r.iChannelNames = iot[id].d.it->iChannelNames; 684 return r; 685 case UDESCSUB_AC_OUTPUT: 686 id = iot[id].d.ot->bSourceId; 687 break; 688 case UDESCSUB_AC_MIXER: 689 r = *(const struct usb_audio_cluster *) 690 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins]; 691 return r; 692 case UDESCSUB_AC_SELECTOR: 693 /* XXX This is not really right */ 694 id = iot[id].d.su->baSourceId[0]; 695 break; 696 case UDESCSUB_AC_FEATURE: 697 id = iot[id].d.fu->bSourceId; 698 break; 699 case UDESCSUB_AC_PROCESSING: 700 r = *(const struct usb_audio_cluster *) 701 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins]; 702 return r; 703 case UDESCSUB_AC_EXTENSION: 704 r = *(const struct usb_audio_cluster *) 705 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins]; 706 return r; 707 default: 708 goto bad; 709 } 710 } 711 bad: 712 aprint_error("uaudio_get_cluster: bad data\n"); 713 memset(&r, 0, sizeof(r)); 714 return r; 715 716 } 717 718 Static void 719 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 720 { 721 const struct usb_audio_input_terminal *d; 722 723 d = iot[id].d.it; 724 #ifdef UAUDIO_DEBUG 725 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x " 726 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 727 "iChannelNames=%d iTerminal=%d\n", 728 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 729 d->bNrChannels, UGETW(d->wChannelConfig), 730 d->iChannelNames, d->iTerminal); 731 #endif 732 /* If USB input terminal, record wChannelConfig */ 733 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100) 734 return; 735 sc->sc_channel_config = UGETW(d->wChannelConfig); 736 } 737 738 Static void 739 uaudio_add_output(struct uaudio_softc *sc, 740 const struct io_terminal *iot, int id) 741 { 742 #ifdef UAUDIO_DEBUG 743 const struct usb_audio_output_terminal *d; 744 745 d = iot[id].d.ot; 746 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x " 747 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 748 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 749 d->bSourceId, d->iTerminal); 750 #endif 751 } 752 753 Static void 754 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 755 { 756 const struct usb_audio_mixer_unit *d; 757 const struct usb_audio_mixer_unit_1 *d1; 758 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 759 const uByte *bm; 760 struct mixerctl mix; 761 762 d = iot[id].d.mu; 763 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 764 d->bUnitId, d->bNrInPins); 765 766 /* Compute the number of input channels */ 767 ichs = 0; 768 for (i = 0; i < d->bNrInPins; i++) 769 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels; 770 771 /* and the number of output channels */ 772 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 773 ochs = d1->bNrChannels; 774 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs); 775 776 bm = d1->bmControls; 777 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 778 uaudio_determine_class(&iot[id], &mix); 779 mix.type = MIX_SIGNED_16; 780 mix.ctlunit = AudioNvolume; 781 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 782 for (p = i = 0; i < d->bNrInPins; i++) { 783 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels; 784 mc = 0; 785 for (c = 0; c < chs; c++) { 786 mo = 0; 787 for (o = 0; o < ochs; o++) { 788 bno = (p + c) * ochs + o; 789 if (_BIT(bno)) 790 mo++; 791 } 792 if (mo == 1) 793 mc++; 794 } 795 if (mc == chs && chs <= MIX_MAX_CHAN) { 796 k = 0; 797 for (c = 0; c < chs; c++) 798 for (o = 0; o < ochs; o++) { 799 bno = (p + c) * ochs + o; 800 if (_BIT(bno)) 801 mix.wValue[k++] = 802 MAKE(p+c+1, o+1); 803 } 804 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s", 805 d->bUnitId, uaudio_id_name(sc, iot, 806 d->baSourceId[i])); 807 mix.nchan = chs; 808 uaudio_mixer_add_ctl(sc, &mix); 809 } else { 810 /* XXX */ 811 } 812 #undef _BIT 813 p += chs; 814 } 815 816 } 817 818 Static void 819 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 820 { 821 const struct usb_audio_selector_unit *d; 822 struct mixerctl mix; 823 int i, wp; 824 825 d = iot[id].d.su; 826 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 827 d->bUnitId, d->bNrInPins); 828 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 829 mix.wValue[0] = MAKE(0, 0); 830 uaudio_determine_class(&iot[id], &mix); 831 mix.nchan = 1; 832 mix.type = MIX_SELECTOR; 833 mix.ctlunit = ""; 834 mix.minval = 1; 835 mix.maxval = d->bNrInPins; 836 mix.mul = mix.maxval - mix.minval; 837 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId); 838 for (i = 1; i <= d->bNrInPins; i++) { 839 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp, 840 "i%d", d->baSourceId[i - 1]); 841 if (wp > MAX_AUDIO_DEV_LEN - 1) 842 break; 843 } 844 uaudio_mixer_add_ctl(sc, &mix); 845 } 846 847 #ifdef UAUDIO_DEBUG 848 Static const char * 849 uaudio_get_terminal_name(int terminal_type) 850 { 851 static char tbuf[100]; 852 853 switch (terminal_type) { 854 /* USB terminal types */ 855 case UAT_UNDEFINED: return "UAT_UNDEFINED"; 856 case UAT_STREAM: return "UAT_STREAM"; 857 case UAT_VENDOR: return "UAT_VENDOR"; 858 /* input terminal types */ 859 case UATI_UNDEFINED: return "UATI_UNDEFINED"; 860 case UATI_MICROPHONE: return "UATI_MICROPHONE"; 861 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE"; 862 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE"; 863 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE"; 864 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY"; 865 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR"; 866 /* output terminal types */ 867 case UATO_UNDEFINED: return "UATO_UNDEFINED"; 868 case UATO_SPEAKER: return "UATO_SPEAKER"; 869 case UATO_HEADPHONES: return "UATO_HEADPHONES"; 870 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO"; 871 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER"; 872 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER"; 873 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER"; 874 case UATO_SUBWOOFER: return "UATO_SUBWOOFER"; 875 /* bidir terminal types */ 876 case UATB_UNDEFINED: return "UATB_UNDEFINED"; 877 case UATB_HANDSET: return "UATB_HANDSET"; 878 case UATB_HEADSET: return "UATB_HEADSET"; 879 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE"; 880 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP"; 881 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC"; 882 /* telephony terminal types */ 883 case UATT_UNDEFINED: return "UATT_UNDEFINED"; 884 case UATT_PHONELINE: return "UATT_PHONELINE"; 885 case UATT_TELEPHONE: return "UATT_TELEPHONE"; 886 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE"; 887 /* external terminal types */ 888 case UATE_UNDEFINED: return "UATE_UNDEFINED"; 889 case UATE_ANALOGCONN: return "UATE_ANALOGCONN"; 890 case UATE_LINECONN: return "UATE_LINECONN"; 891 case UATE_LEGACYCONN: return "UATE_LEGACYCONN"; 892 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC"; 893 case UATE_SPDIF: return "UATE_SPDIF"; 894 case UATE_1394DA: return "UATE_1394DA"; 895 case UATE_1394DV: return "UATE_1394DV"; 896 /* embedded function terminal types */ 897 case UATF_UNDEFINED: return "UATF_UNDEFINED"; 898 case UATF_CALIBNOISE: return "UATF_CALIBNOISE"; 899 case UATF_EQUNOISE: return "UATF_EQUNOISE"; 900 case UATF_CDPLAYER: return "UATF_CDPLAYER"; 901 case UATF_DAT: return "UATF_DAT"; 902 case UATF_DCC: return "UATF_DCC"; 903 case UATF_MINIDISK: return "UATF_MINIDISK"; 904 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE"; 905 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH"; 906 case UATF_VCRAUDIO: return "UATF_VCRAUDIO"; 907 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO"; 908 case UATF_DVDAUDIO: return "UATF_DVDAUDIO"; 909 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO"; 910 case UATF_SATELLITE: return "UATF_SATELLITE"; 911 case UATF_CABLETUNER: return "UATF_CABLETUNER"; 912 case UATF_DSS: return "UATF_DSS"; 913 case UATF_RADIORECV: return "UATF_RADIORECV"; 914 case UATF_RADIOXMIT: return "UATF_RADIOXMIT"; 915 case UATF_MULTITRACK: return "UATF_MULTITRACK"; 916 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER"; 917 default: 918 snprintf(tbuf, sizeof(tbuf), "unknown type (%#.4x)", terminal_type); 919 return tbuf; 920 } 921 } 922 #endif 923 924 Static int 925 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix) 926 { 927 int terminal_type; 928 929 if (iot == NULL || iot->output == NULL) { 930 mix->class = UAC_OUTPUT; 931 return 0; 932 } 933 terminal_type = 0; 934 if (iot->output->size == 1) 935 terminal_type = iot->output->terminals[0]; 936 /* 937 * If the only output terminal is USB, 938 * the class is UAC_RECORD. 939 */ 940 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) { 941 mix->class = UAC_RECORD; 942 if (iot->inputs_size == 1 943 && iot->inputs[0] != NULL 944 && iot->inputs[0]->size == 1) 945 return iot->inputs[0]->terminals[0]; 946 else 947 return 0; 948 } 949 /* 950 * If the ultimate destination of the unit is just one output 951 * terminal and the unit is connected to the output terminal 952 * directly, the class is UAC_OUTPUT. 953 */ 954 if (terminal_type != 0 && iot->direct) { 955 mix->class = UAC_OUTPUT; 956 return terminal_type; 957 } 958 /* 959 * If the unit is connected to just one input terminal, 960 * the class is UAC_INPUT. 961 */ 962 if (iot->inputs_size == 1 && iot->inputs[0] != NULL 963 && iot->inputs[0]->size == 1) { 964 mix->class = UAC_INPUT; 965 return iot->inputs[0]->terminals[0]; 966 } 967 /* 968 * Otherwise, the class is UAC_OUTPUT. 969 */ 970 mix->class = UAC_OUTPUT; 971 return terminal_type; 972 } 973 974 Static const char * 975 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix) 976 { 977 int terminal_type; 978 979 terminal_type = uaudio_determine_class(iot, mix); 980 if (mix->class == UAC_RECORD && terminal_type == 0) 981 return AudioNmixerout; 982 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type)); 983 switch (terminal_type) { 984 case UAT_STREAM: 985 return AudioNdac; 986 987 case UATI_MICROPHONE: 988 case UATI_DESKMICROPHONE: 989 case UATI_PERSONALMICROPHONE: 990 case UATI_OMNIMICROPHONE: 991 case UATI_MICROPHONEARRAY: 992 case UATI_PROCMICROPHONEARR: 993 return AudioNmicrophone; 994 995 case UATO_SPEAKER: 996 case UATO_DESKTOPSPEAKER: 997 case UATO_ROOMSPEAKER: 998 case UATO_COMMSPEAKER: 999 return AudioNspeaker; 1000 1001 case UATO_HEADPHONES: 1002 return AudioNheadphone; 1003 1004 case UATO_SUBWOOFER: 1005 return AudioNlfe; 1006 1007 /* telephony terminal types */ 1008 case UATT_UNDEFINED: 1009 case UATT_PHONELINE: 1010 case UATT_TELEPHONE: 1011 case UATT_DOWNLINEPHONE: 1012 return "phone"; 1013 1014 case UATE_ANALOGCONN: 1015 case UATE_LINECONN: 1016 case UATE_LEGACYCONN: 1017 return AudioNline; 1018 1019 case UATE_DIGITALAUIFC: 1020 case UATE_SPDIF: 1021 case UATE_1394DA: 1022 case UATE_1394DV: 1023 return AudioNaux; 1024 1025 case UATF_CDPLAYER: 1026 return AudioNcd; 1027 1028 case UATF_SYNTHESIZER: 1029 return AudioNfmsynth; 1030 1031 case UATF_VIDEODISCAUDIO: 1032 case UATF_DVDAUDIO: 1033 case UATF_TVTUNERAUDIO: 1034 return AudioNvideo; 1035 1036 case UAT_UNDEFINED: 1037 case UAT_VENDOR: 1038 case UATI_UNDEFINED: 1039 /* output terminal types */ 1040 case UATO_UNDEFINED: 1041 case UATO_DISPLAYAUDIO: 1042 /* bidir terminal types */ 1043 case UATB_UNDEFINED: 1044 case UATB_HANDSET: 1045 case UATB_HEADSET: 1046 case UATB_SPEAKERPHONE: 1047 case UATB_SPEAKERPHONEESUP: 1048 case UATB_SPEAKERPHONEECANC: 1049 /* external terminal types */ 1050 case UATE_UNDEFINED: 1051 /* embedded function terminal types */ 1052 case UATF_UNDEFINED: 1053 case UATF_CALIBNOISE: 1054 case UATF_EQUNOISE: 1055 case UATF_DAT: 1056 case UATF_DCC: 1057 case UATF_MINIDISK: 1058 case UATF_ANALOGTAPE: 1059 case UATF_PHONOGRAPH: 1060 case UATF_VCRAUDIO: 1061 case UATF_SATELLITE: 1062 case UATF_CABLETUNER: 1063 case UATF_DSS: 1064 case UATF_RADIORECV: 1065 case UATF_RADIOXMIT: 1066 case UATF_MULTITRACK: 1067 case 0xffff: 1068 default: 1069 DPRINTF("'master' for %#.4x\n", terminal_type); 1070 return AudioNmaster; 1071 } 1072 return AudioNmaster; 1073 } 1074 1075 Static void 1076 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1077 { 1078 const struct usb_audio_feature_unit *d; 1079 const uByte *ctls; 1080 int ctlsize; 1081 int nchan; 1082 u_int fumask, mmask, cmask; 1083 struct mixerctl mix; 1084 int chan, ctl, i, unit; 1085 const char *mixername; 1086 1087 #define GET(i) (ctls[(i)*ctlsize] | \ 1088 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 1089 d = iot[id].d.fu; 1090 ctls = d->bmaControls; 1091 ctlsize = d->bControlSize; 1092 if (ctlsize == 0) { 1093 DPRINTF("ignoring feature %d with controlSize of zero\n", id); 1094 return; 1095 } 1096 nchan = (d->bLength - 7) / ctlsize; 1097 mmask = GET(0); 1098 /* Figure out what we can control */ 1099 for (cmask = 0, chan = 1; chan < nchan; chan++) { 1100 DPRINTFN(9,"chan=%d mask=%x\n", 1101 chan, GET(chan)); 1102 cmask |= GET(chan); 1103 } 1104 1105 DPRINTFN(1,"bUnitId=%d, " 1106 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 1107 d->bUnitId, nchan, mmask, cmask); 1108 1109 if (nchan > MIX_MAX_CHAN) 1110 nchan = MIX_MAX_CHAN; 1111 unit = d->bUnitId; 1112 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 1113 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 1114 fumask = FU_MASK(ctl); 1115 DPRINTFN(4,"ctl=%d fumask=0x%04x\n", 1116 ctl, fumask); 1117 if (mmask & fumask) { 1118 mix.nchan = 1; 1119 mix.wValue[0] = MAKE(ctl, 0); 1120 } else if (cmask & fumask) { 1121 mix.nchan = nchan - 1; 1122 for (i = 1; i < nchan; i++) { 1123 if (GET(i) & fumask) 1124 mix.wValue[i-1] = MAKE(ctl, i); 1125 else 1126 mix.wValue[i-1] = -1; 1127 } 1128 } else { 1129 continue; 1130 } 1131 #undef GET 1132 mixername = uaudio_feature_name(&iot[id], &mix); 1133 switch (ctl) { 1134 case MUTE_CONTROL: 1135 mix.type = MIX_ON_OFF; 1136 mix.ctlunit = ""; 1137 snprintf(mix.ctlname, sizeof(mix.ctlname), 1138 "%s.%s", mixername, AudioNmute); 1139 break; 1140 case VOLUME_CONTROL: 1141 mix.type = MIX_SIGNED_16; 1142 mix.ctlunit = AudioNvolume; 1143 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname)); 1144 break; 1145 case BASS_CONTROL: 1146 mix.type = MIX_SIGNED_8; 1147 mix.ctlunit = AudioNbass; 1148 snprintf(mix.ctlname, sizeof(mix.ctlname), 1149 "%s.%s", mixername, AudioNbass); 1150 break; 1151 case MID_CONTROL: 1152 mix.type = MIX_SIGNED_8; 1153 mix.ctlunit = AudioNmid; 1154 snprintf(mix.ctlname, sizeof(mix.ctlname), 1155 "%s.%s", mixername, AudioNmid); 1156 break; 1157 case TREBLE_CONTROL: 1158 mix.type = MIX_SIGNED_8; 1159 mix.ctlunit = AudioNtreble; 1160 snprintf(mix.ctlname, sizeof(mix.ctlname), 1161 "%s.%s", mixername, AudioNtreble); 1162 break; 1163 case GRAPHIC_EQUALIZER_CONTROL: 1164 continue; /* XXX don't add anything */ 1165 break; 1166 case AGC_CONTROL: 1167 mix.type = MIX_ON_OFF; 1168 mix.ctlunit = ""; 1169 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s", 1170 mixername, AudioNagc); 1171 break; 1172 case DELAY_CONTROL: 1173 mix.type = MIX_UNSIGNED_16; 1174 mix.ctlunit = "4 ms"; 1175 snprintf(mix.ctlname, sizeof(mix.ctlname), 1176 "%s.%s", mixername, AudioNdelay); 1177 break; 1178 case BASS_BOOST_CONTROL: 1179 mix.type = MIX_ON_OFF; 1180 mix.ctlunit = ""; 1181 snprintf(mix.ctlname, sizeof(mix.ctlname), 1182 "%s.%s", mixername, AudioNbassboost); 1183 break; 1184 case LOUDNESS_CONTROL: 1185 mix.type = MIX_ON_OFF; 1186 mix.ctlunit = ""; 1187 snprintf(mix.ctlname, sizeof(mix.ctlname), 1188 "%s.%s", mixername, AudioNloudness); 1189 break; 1190 } 1191 uaudio_mixer_add_ctl(sc, &mix); 1192 } 1193 } 1194 1195 Static void 1196 uaudio_add_processing_updown(struct uaudio_softc *sc, 1197 const struct io_terminal *iot, int id) 1198 { 1199 const struct usb_audio_processing_unit *d; 1200 const struct usb_audio_processing_unit_1 *d1; 1201 const struct usb_audio_processing_unit_updown *ud; 1202 struct mixerctl mix; 1203 int i; 1204 1205 d = iot[id].d.pu; 1206 d1 = (const struct usb_audio_processing_unit_1 *) 1207 &d->baSourceId[d->bNrInPins]; 1208 ud = (const struct usb_audio_processing_unit_updown *) 1209 &d1->bmControls[d1->bControlSize]; 1210 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n", 1211 d->bUnitId, ud->bNrModes); 1212 1213 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 1214 DPRINTF("%s", "no mode select\n"); 1215 return; 1216 } 1217 1218 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1219 mix.nchan = 1; 1220 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 1221 uaudio_determine_class(&iot[id], &mix); 1222 mix.type = MIX_ON_OFF; /* XXX */ 1223 mix.ctlunit = ""; 1224 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId); 1225 1226 for (i = 0; i < ud->bNrModes; i++) { 1227 DPRINTFN(2,"i=%d bm=%#x\n", 1228 i, UGETW(ud->waModes[i])); 1229 /* XXX */ 1230 } 1231 uaudio_mixer_add_ctl(sc, &mix); 1232 } 1233 1234 Static void 1235 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1236 { 1237 const struct usb_audio_processing_unit *d; 1238 const struct usb_audio_processing_unit_1 *d1; 1239 int ptype; 1240 struct mixerctl mix; 1241 1242 d = iot[id].d.pu; 1243 d1 = (const struct usb_audio_processing_unit_1 *) 1244 &d->baSourceId[d->bNrInPins]; 1245 ptype = UGETW(d->wProcessType); 1246 DPRINTFN(2,"wProcessType=%d bUnitId=%d " 1247 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins); 1248 1249 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 1250 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1251 mix.nchan = 1; 1252 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 1253 uaudio_determine_class(&iot[id], &mix); 1254 mix.type = MIX_ON_OFF; 1255 mix.ctlunit = ""; 1256 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable", 1257 d->bUnitId, ptype); 1258 uaudio_mixer_add_ctl(sc, &mix); 1259 } 1260 1261 switch(ptype) { 1262 case UPDOWNMIX_PROCESS: 1263 uaudio_add_processing_updown(sc, iot, id); 1264 break; 1265 case DOLBY_PROLOGIC_PROCESS: 1266 case P3D_STEREO_EXTENDER_PROCESS: 1267 case REVERBATION_PROCESS: 1268 case CHORUS_PROCESS: 1269 case DYN_RANGE_COMP_PROCESS: 1270 default: 1271 #ifdef UAUDIO_DEBUG 1272 aprint_debug( 1273 "uaudio_add_processing: unit %d, type=%d not impl.\n", 1274 d->bUnitId, ptype); 1275 #endif 1276 break; 1277 } 1278 } 1279 1280 Static void 1281 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1282 { 1283 const struct usb_audio_extension_unit *d; 1284 const struct usb_audio_extension_unit_1 *d1; 1285 struct mixerctl mix; 1286 1287 d = iot[id].d.eu; 1288 d1 = (const struct usb_audio_extension_unit_1 *) 1289 &d->baSourceId[d->bNrInPins]; 1290 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 1291 d->bUnitId, d->bNrInPins); 1292 1293 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 1294 return; 1295 1296 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 1297 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1298 mix.nchan = 1; 1299 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 1300 uaudio_determine_class(&iot[id], &mix); 1301 mix.type = MIX_ON_OFF; 1302 mix.ctlunit = ""; 1303 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable", 1304 d->bUnitId); 1305 uaudio_mixer_add_ctl(sc, &mix); 1306 } 1307 } 1308 1309 Static struct terminal_list* 1310 uaudio_merge_terminal_list(const struct io_terminal *iot) 1311 { 1312 struct terminal_list *tml; 1313 uint16_t *ptm; 1314 int i, len; 1315 1316 len = 0; 1317 if (iot->inputs == NULL) 1318 return NULL; 1319 for (i = 0; i < iot->inputs_size; i++) { 1320 if (iot->inputs[i] != NULL) 1321 len += iot->inputs[i]->size; 1322 } 1323 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT); 1324 if (tml == NULL) { 1325 aprint_error("uaudio_merge_terminal_list: no memory\n"); 1326 return NULL; 1327 } 1328 tml->size = 0; 1329 ptm = tml->terminals; 1330 for (i = 0; i < iot->inputs_size; i++) { 1331 if (iot->inputs[i] == NULL) 1332 continue; 1333 if (iot->inputs[i]->size > len) 1334 break; 1335 memcpy(ptm, iot->inputs[i]->terminals, 1336 iot->inputs[i]->size * sizeof(uint16_t)); 1337 tml->size += iot->inputs[i]->size; 1338 ptm += iot->inputs[i]->size; 1339 len -= iot->inputs[i]->size; 1340 } 1341 return tml; 1342 } 1343 1344 Static struct terminal_list * 1345 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id) 1346 { 1347 struct terminal_list *tml; 1348 struct io_terminal *it; 1349 int src_id, i; 1350 1351 it = &iot[id]; 1352 if (it->output != NULL) { 1353 /* already has outtype? */ 1354 for (i = 0; i < it->output->size; i++) 1355 if (it->output->terminals[i] == outtype) 1356 return uaudio_merge_terminal_list(it); 1357 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1), 1358 M_TEMP, M_NOWAIT); 1359 if (tml == NULL) { 1360 aprint_error("uaudio_io_terminaltype: no memory\n"); 1361 return uaudio_merge_terminal_list(it); 1362 } 1363 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size)); 1364 tml->terminals[it->output->size] = outtype; 1365 tml->size++; 1366 free(it->output, M_TEMP); 1367 it->output = tml; 1368 if (it->inputs != NULL) { 1369 for (i = 0; i < it->inputs_size; i++) 1370 if (it->inputs[i] != NULL) 1371 free(it->inputs[i], M_TEMP); 1372 free(it->inputs, M_TEMP); 1373 } 1374 it->inputs_size = 0; 1375 it->inputs = NULL; 1376 } else { /* end `iot[id] != NULL' */ 1377 it->inputs_size = 0; 1378 it->inputs = NULL; 1379 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT); 1380 if (it->output == NULL) { 1381 aprint_error("uaudio_io_terminaltype: no memory\n"); 1382 return NULL; 1383 } 1384 it->output->terminals[0] = outtype; 1385 it->output->size = 1; 1386 it->direct = FALSE; 1387 } 1388 1389 switch (it->d.desc->bDescriptorSubtype) { 1390 case UDESCSUB_AC_INPUT: 1391 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1392 if (it->inputs == NULL) { 1393 aprint_error("uaudio_io_terminaltype: no memory\n"); 1394 return NULL; 1395 } 1396 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT); 1397 if (tml == NULL) { 1398 aprint_error("uaudio_io_terminaltype: no memory\n"); 1399 free(it->inputs, M_TEMP); 1400 it->inputs = NULL; 1401 return NULL; 1402 } 1403 it->inputs[0] = tml; 1404 tml->terminals[0] = UGETW(it->d.it->wTerminalType); 1405 tml->size = 1; 1406 it->inputs_size = 1; 1407 return uaudio_merge_terminal_list(it); 1408 case UDESCSUB_AC_FEATURE: 1409 src_id = it->d.fu->bSourceId; 1410 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1411 if (it->inputs == NULL) { 1412 aprint_error("uaudio_io_terminaltype: no memory\n"); 1413 return uaudio_io_terminaltype(outtype, iot, src_id); 1414 } 1415 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id); 1416 it->inputs_size = 1; 1417 return uaudio_merge_terminal_list(it); 1418 case UDESCSUB_AC_OUTPUT: 1419 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1420 if (it->inputs == NULL) { 1421 aprint_error("uaudio_io_terminaltype: no memory\n"); 1422 return NULL; 1423 } 1424 src_id = it->d.ot->bSourceId; 1425 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id); 1426 it->inputs_size = 1; 1427 iot[src_id].direct = TRUE; 1428 return NULL; 1429 case UDESCSUB_AC_MIXER: 1430 it->inputs_size = 0; 1431 it->inputs = malloc(sizeof(struct terminal_list *) 1432 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT); 1433 if (it->inputs == NULL) { 1434 aprint_error("uaudio_io_terminaltype: no memory\n"); 1435 return NULL; 1436 } 1437 for (i = 0; i < it->d.mu->bNrInPins; i++) { 1438 src_id = it->d.mu->baSourceId[i]; 1439 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1440 src_id); 1441 it->inputs_size++; 1442 } 1443 return uaudio_merge_terminal_list(it); 1444 case UDESCSUB_AC_SELECTOR: 1445 it->inputs_size = 0; 1446 it->inputs = malloc(sizeof(struct terminal_list *) 1447 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT); 1448 if (it->inputs == NULL) { 1449 aprint_error("uaudio_io_terminaltype: no memory\n"); 1450 return NULL; 1451 } 1452 for (i = 0; i < it->d.su->bNrInPins; i++) { 1453 src_id = it->d.su->baSourceId[i]; 1454 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1455 src_id); 1456 it->inputs_size++; 1457 } 1458 return uaudio_merge_terminal_list(it); 1459 case UDESCSUB_AC_PROCESSING: 1460 it->inputs_size = 0; 1461 it->inputs = malloc(sizeof(struct terminal_list *) 1462 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT); 1463 if (it->inputs == NULL) { 1464 aprint_error("uaudio_io_terminaltype: no memory\n"); 1465 return NULL; 1466 } 1467 for (i = 0; i < it->d.pu->bNrInPins; i++) { 1468 src_id = it->d.pu->baSourceId[i]; 1469 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1470 src_id); 1471 it->inputs_size++; 1472 } 1473 return uaudio_merge_terminal_list(it); 1474 case UDESCSUB_AC_EXTENSION: 1475 it->inputs_size = 0; 1476 it->inputs = malloc(sizeof(struct terminal_list *) 1477 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT); 1478 if (it->inputs == NULL) { 1479 aprint_error("uaudio_io_terminaltype: no memory\n"); 1480 return NULL; 1481 } 1482 for (i = 0; i < it->d.eu->bNrInPins; i++) { 1483 src_id = it->d.eu->baSourceId[i]; 1484 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1485 src_id); 1486 it->inputs_size++; 1487 } 1488 return uaudio_merge_terminal_list(it); 1489 case UDESCSUB_AC_HEADER: 1490 default: 1491 return NULL; 1492 } 1493 } 1494 1495 Static usbd_status 1496 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc) 1497 { 1498 usbd_status err; 1499 1500 err = uaudio_identify_ac(sc, cdesc); 1501 if (err) 1502 return err; 1503 return uaudio_identify_as(sc, cdesc); 1504 } 1505 1506 Static void 1507 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai) 1508 { 1509 size_t len; 1510 struct as_info *nai; 1511 1512 len = sizeof(*ai) * (sc->sc_nalts + 1); 1513 nai = kmem_alloc(len, KM_SLEEP); 1514 /* Copy old data, if there was any */ 1515 if (sc->sc_nalts != 0) { 1516 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts)); 1517 kmem_free(sc->sc_alts, sizeof(*ai) * sc->sc_nalts); 1518 } 1519 sc->sc_alts = nai; 1520 DPRINTFN(2,"adding alt=%d, enc=%d\n", 1521 ai->alt, ai->encoding); 1522 sc->sc_alts[sc->sc_nalts++] = *ai; 1523 } 1524 1525 Static usbd_status 1526 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp, 1527 int size, const usb_interface_descriptor_t *id) 1528 #define offs (*offsp) 1529 { 1530 const struct usb_audio_streaming_interface_descriptor *asid; 1531 const struct usb_audio_streaming_type1_descriptor *asf1d; 1532 const usb_endpoint_descriptor_audio_t *ed; 1533 const usb_endpoint_descriptor_audio_t *epdesc1; 1534 const struct usb_audio_streaming_endpoint_descriptor *sed; 1535 int format, chan __unused, prec, enc; 1536 int dir, type, sync; 1537 struct as_info ai; 1538 const char *format_str __unused; 1539 1540 asid = (const void *)(tbuf + offs); 1541 if (asid->bDescriptorType != UDESC_CS_INTERFACE || 1542 asid->bDescriptorSubtype != AS_GENERAL) 1543 return USBD_INVAL; 1544 DPRINTF("asid: bTerminakLink=%d wFormatTag=%d\n", 1545 asid->bTerminalLink, UGETW(asid->wFormatTag)); 1546 offs += asid->bLength; 1547 if (offs > size) 1548 return USBD_INVAL; 1549 1550 asf1d = (const void *)(tbuf + offs); 1551 if (asf1d->bDescriptorType != UDESC_CS_INTERFACE || 1552 asf1d->bDescriptorSubtype != FORMAT_TYPE) 1553 return USBD_INVAL; 1554 offs += asf1d->bLength; 1555 if (offs > size) 1556 return USBD_INVAL; 1557 1558 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1559 aprint_normal_dev(sc->sc_dev, 1560 "ignored setting with type %d format\n", UGETW(asid->wFormatTag)); 1561 return USBD_NORMAL_COMPLETION; 1562 } 1563 1564 ed = (const void *)(tbuf + offs); 1565 if (ed->bDescriptorType != UDESC_ENDPOINT) 1566 return USBD_INVAL; 1567 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d " 1568 "bEndpointAddress=%d bmAttributes=%#x wMaxPacketSize=%d " 1569 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1570 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1571 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1572 ed->bInterval, ed->bRefresh, ed->bSynchAddress); 1573 offs += ed->bLength; 1574 if (offs > size) 1575 return USBD_INVAL; 1576 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1577 return USBD_INVAL; 1578 1579 dir = UE_GET_DIR(ed->bEndpointAddress); 1580 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1581 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1582 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1583 type = UE_ISO_ASYNC; 1584 1585 /* We can't handle endpoints that need a sync pipe yet. */ 1586 sync = FALSE; 1587 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) { 1588 sync = TRUE; 1589 #ifndef UAUDIO_MULTIPLE_ENDPOINTS 1590 aprint_normal_dev(sc->sc_dev, 1591 "ignored input endpoint of type adaptive\n"); 1592 return USBD_NORMAL_COMPLETION; 1593 #endif 1594 } 1595 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) { 1596 sync = TRUE; 1597 #ifndef UAUDIO_MULTIPLE_ENDPOINTS 1598 aprint_normal_dev(sc->sc_dev, 1599 "ignored output endpoint of type async\n"); 1600 return USBD_NORMAL_COMPLETION; 1601 #endif 1602 } 1603 1604 sed = (const void *)(tbuf + offs); 1605 if (sed->bDescriptorType != UDESC_CS_ENDPOINT || 1606 sed->bDescriptorSubtype != AS_GENERAL) 1607 return USBD_INVAL; 1608 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", offs, sed->bLength); 1609 offs += sed->bLength; 1610 if (offs > size) 1611 return USBD_INVAL; 1612 1613 #ifdef UAUDIO_MULTIPLE_ENDPOINTS 1614 if (sync && id->bNumEndpoints <= 1) { 1615 aprint_error_dev(sc->sc_dev, 1616 "a sync-pipe endpoint but no other endpoint\n"); 1617 return USBD_INVAL; 1618 } 1619 #endif 1620 if (!sync && id->bNumEndpoints > 1) { 1621 aprint_error_dev(sc->sc_dev, 1622 "non sync-pipe endpoint but multiple endpoints\n"); 1623 return USBD_INVAL; 1624 } 1625 epdesc1 = NULL; 1626 if (id->bNumEndpoints > 1) { 1627 epdesc1 = (const void*)(tbuf + offs); 1628 if (epdesc1->bDescriptorType != UDESC_ENDPOINT) 1629 return USBD_INVAL; 1630 DPRINTF("endpoint[1] bLength=%d " 1631 "bDescriptorType=%d bEndpointAddress=%d " 1632 "bmAttributes=%#x wMaxPacketSize=%d bInterval=%d " 1633 "bRefresh=%d bSynchAddress=%d\n", 1634 epdesc1->bLength, epdesc1->bDescriptorType, 1635 epdesc1->bEndpointAddress, epdesc1->bmAttributes, 1636 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval, 1637 epdesc1->bRefresh, epdesc1->bSynchAddress); 1638 offs += epdesc1->bLength; 1639 if (offs > size) 1640 return USBD_INVAL; 1641 if (epdesc1->bSynchAddress != 0) { 1642 aprint_error_dev(sc->sc_dev, 1643 "invalid endpoint: bSynchAddress=0\n"); 1644 return USBD_INVAL; 1645 } 1646 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) { 1647 aprint_error_dev(sc->sc_dev, 1648 "invalid endpoint: bmAttributes=%#x\n", 1649 epdesc1->bmAttributes); 1650 return USBD_INVAL; 1651 } 1652 if (epdesc1->bEndpointAddress != ed->bSynchAddress) { 1653 aprint_error_dev(sc->sc_dev, 1654 "invalid endpoint addresses: " 1655 "ep[0]->bSynchAddress=%#x " 1656 "ep[1]->bEndpointAddress=%#x\n", 1657 ed->bSynchAddress, epdesc1->bEndpointAddress); 1658 return USBD_INVAL; 1659 } 1660 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */ 1661 } 1662 1663 format = UGETW(asid->wFormatTag); 1664 chan = asf1d->bNrChannels; 1665 prec = asf1d->bBitResolution; 1666 if (prec != 8 && prec != 16 && prec != 24) { 1667 aprint_normal_dev(sc->sc_dev, 1668 "ignored setting with precision %d\n", prec); 1669 return USBD_NORMAL_COMPLETION; 1670 } 1671 switch (format) { 1672 case UA_FMT_PCM: 1673 if (prec == 8) { 1674 sc->sc_altflags |= HAS_8; 1675 } else if (prec == 16) { 1676 sc->sc_altflags |= HAS_16; 1677 } else if (prec == 24) { 1678 sc->sc_altflags |= HAS_24; 1679 } 1680 enc = AUDIO_ENCODING_SLINEAR_LE; 1681 format_str = "pcm"; 1682 break; 1683 case UA_FMT_PCM8: 1684 enc = AUDIO_ENCODING_ULINEAR_LE; 1685 sc->sc_altflags |= HAS_8U; 1686 format_str = "pcm8"; 1687 break; 1688 case UA_FMT_ALAW: 1689 enc = AUDIO_ENCODING_ALAW; 1690 sc->sc_altflags |= HAS_ALAW; 1691 format_str = "alaw"; 1692 break; 1693 case UA_FMT_MULAW: 1694 enc = AUDIO_ENCODING_ULAW; 1695 sc->sc_altflags |= HAS_MULAW; 1696 format_str = "mulaw"; 1697 break; 1698 case UA_FMT_IEEE_FLOAT: 1699 default: 1700 aprint_normal_dev(sc->sc_dev, 1701 "ignored setting with format %d\n", format); 1702 return USBD_NORMAL_COMPLETION; 1703 } 1704 #ifdef UAUDIO_DEBUG 1705 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,", 1706 dir == UE_DIR_IN ? "recording" : "playback", 1707 chan, prec, asf1d->bSubFrameSize * 8, format_str); 1708 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 1709 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d), 1710 UA_SAMP_HI(asf1d)); 1711 } else { 1712 int r; 1713 aprint_debug(" %d", UA_GETSAMP(asf1d, 0)); 1714 for (r = 1; r < asf1d->bSamFreqType; r++) 1715 aprint_debug(",%d", UA_GETSAMP(asf1d, r)); 1716 aprint_debug("Hz\n"); 1717 } 1718 #endif 1719 ai.alt = id->bAlternateSetting; 1720 ai.encoding = enc; 1721 ai.attributes = sed->bmAttributes; 1722 ai.idesc = id; 1723 ai.edesc = ed; 1724 ai.edesc1 = epdesc1; 1725 ai.asf1desc = asf1d; 1726 ai.sc_busy = 0; 1727 ai.aformat = NULL; 1728 ai.ifaceh = NULL; 1729 uaudio_add_alt(sc, &ai); 1730 #ifdef UAUDIO_DEBUG 1731 if (ai.attributes & UA_SED_FREQ_CONTROL) 1732 DPRINTFN(1, "%s", "FREQ_CONTROL\n"); 1733 if (ai.attributes & UA_SED_PITCH_CONTROL) 1734 DPRINTFN(1, "%s", "PITCH_CONTROL\n"); 1735 #endif 1736 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD; 1737 1738 return USBD_NORMAL_COMPLETION; 1739 } 1740 #undef offs 1741 1742 Static usbd_status 1743 uaudio_identify_as(struct uaudio_softc *sc, 1744 const usb_config_descriptor_t *cdesc) 1745 { 1746 const usb_interface_descriptor_t *id; 1747 const char *tbuf; 1748 struct audio_format *auf; 1749 const struct usb_audio_streaming_type1_descriptor *t1desc; 1750 int size, offs; 1751 int i, j; 1752 1753 size = UGETW(cdesc->wTotalLength); 1754 tbuf = (const char *)cdesc; 1755 1756 /* Locate the AudioStreaming interface descriptor. */ 1757 offs = 0; 1758 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1759 if (id == NULL) 1760 return USBD_INVAL; 1761 1762 /* Loop through all the alternate settings. */ 1763 while (offs <= size) { 1764 DPRINTFN(2, "interface=%d offset=%d\n", 1765 id->bInterfaceNumber, offs); 1766 switch (id->bNumEndpoints) { 1767 case 0: 1768 DPRINTFN(2, "AS null alt=%d\n", 1769 id->bAlternateSetting); 1770 sc->sc_nullalt = id->bAlternateSetting; 1771 break; 1772 case 1: 1773 #ifdef UAUDIO_MULTIPLE_ENDPOINTS 1774 case 2: 1775 #endif 1776 uaudio_process_as(sc, tbuf, &offs, size, id); 1777 break; 1778 default: 1779 aprint_error_dev(sc->sc_dev, 1780 "ignored audio interface with %d endpoints\n", 1781 id->bNumEndpoints); 1782 break; 1783 } 1784 id = uaudio_find_iface(tbuf, size, &offs,UISUBCLASS_AUDIOSTREAM); 1785 if (id == NULL) 1786 break; 1787 } 1788 if (offs > size) 1789 return USBD_INVAL; 1790 DPRINTF("%d alts available\n", sc->sc_nalts); 1791 1792 if (sc->sc_mode == 0) { 1793 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n"); 1794 return USBD_INVAL; 1795 } 1796 1797 /* build audio_format array */ 1798 sc->sc_formats = kmem_zalloc(sizeof(struct audio_format) * sc->sc_nalts, 1799 KM_SLEEP); 1800 sc->sc_nformats = sc->sc_nalts; 1801 for (i = 0; i < sc->sc_nalts; i++) { 1802 auf = &sc->sc_formats[i]; 1803 t1desc = sc->sc_alts[i].asf1desc; 1804 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT) 1805 auf->mode = AUMODE_PLAY; 1806 else 1807 auf->mode = AUMODE_RECORD; 1808 auf->encoding = sc->sc_alts[i].encoding; 1809 auf->validbits = t1desc->bBitResolution; 1810 auf->precision = t1desc->bSubFrameSize * 8; 1811 auf->channels = t1desc->bNrChannels; 1812 auf->channel_mask = sc->sc_channel_config; 1813 auf->frequency_type = t1desc->bSamFreqType; 1814 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) { 1815 auf->frequency[0] = UA_SAMP_LO(t1desc); 1816 auf->frequency[1] = UA_SAMP_HI(t1desc); 1817 } else { 1818 for (j = 0; j < t1desc->bSamFreqType; j++) { 1819 if (j >= AUFMT_MAX_FREQUENCIES) { 1820 aprint_error("%s: please increase " 1821 "AUFMT_MAX_FREQUENCIES to %d\n", 1822 __func__, t1desc->bSamFreqType); 1823 auf->frequency_type = 1824 AUFMT_MAX_FREQUENCIES; 1825 break; 1826 } 1827 auf->frequency[j] = UA_GETSAMP(t1desc, j); 1828 } 1829 } 1830 sc->sc_alts[i].aformat = auf; 1831 } 1832 1833 return USBD_NORMAL_COMPLETION; 1834 } 1835 1836 #ifdef UAUDIO_DEBUG 1837 Static void 1838 uaudio_dump_tml(struct terminal_list *tml) { 1839 if (tml == NULL) { 1840 printf("NULL"); 1841 } else { 1842 int i; 1843 for (i = 0; i < tml->size; i++) 1844 printf("%s ", uaudio_get_terminal_name 1845 (tml->terminals[i])); 1846 } 1847 printf("\n"); 1848 } 1849 #endif 1850 1851 Static usbd_status 1852 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc) 1853 { 1854 struct io_terminal* iot; 1855 const usb_interface_descriptor_t *id; 1856 const struct usb_audio_control_descriptor *acdp; 1857 const uaudio_cs_descriptor_t *dp; 1858 const struct usb_audio_output_terminal *pot; 1859 struct terminal_list *tml; 1860 const char *tbuf, *ibuf, *ibufend; 1861 int size, offs, ndps, i, j; 1862 1863 size = UGETW(cdesc->wTotalLength); 1864 tbuf = (const char *)cdesc; 1865 1866 /* Locate the AudioControl interface descriptor. */ 1867 offs = 0; 1868 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1869 if (id == NULL) 1870 return USBD_INVAL; 1871 if (offs + sizeof(*acdp) > size) 1872 return USBD_INVAL; 1873 sc->sc_ac_iface = id->bInterfaceNumber; 1874 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface); 1875 1876 /* A class-specific AC interface header should follow. */ 1877 ibuf = tbuf + offs; 1878 ibufend = tbuf + size; 1879 acdp = (const struct usb_audio_control_descriptor *)ibuf; 1880 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1881 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1882 return USBD_INVAL; 1883 1884 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1885 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1886 return USBD_INVAL; 1887 1888 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1889 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev); 1890 1891 sc->sc_nullalt = -1; 1892 1893 /* Scan through all the AC specific descriptors */ 1894 dp = (const uaudio_cs_descriptor_t *)ibuf; 1895 ndps = 0; 1896 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO); 1897 if (iot == NULL) { 1898 aprint_error("%s: no memory\n", __func__); 1899 return USBD_NOMEM; 1900 } 1901 for (;;) { 1902 ibuf += dp->bLength; 1903 if (ibuf >= ibufend) 1904 break; 1905 dp = (const uaudio_cs_descriptor_t *)ibuf; 1906 if (ibuf + dp->bLength > ibufend) { 1907 free(iot, M_TEMP); 1908 return USBD_INVAL; 1909 } 1910 if (dp->bDescriptorType != UDESC_CS_INTERFACE) 1911 break; 1912 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId; 1913 iot[i].d.desc = dp; 1914 if (i > ndps) 1915 ndps = i; 1916 } 1917 ndps++; 1918 1919 /* construct io_terminal */ 1920 for (i = 0; i < ndps; i++) { 1921 dp = iot[i].d.desc; 1922 if (dp == NULL) 1923 continue; 1924 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT) 1925 continue; 1926 pot = iot[i].d.ot; 1927 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i); 1928 if (tml != NULL) 1929 free(tml, M_TEMP); 1930 } 1931 1932 #ifdef UAUDIO_DEBUG 1933 for (i = 0; i < 256; i++) { 1934 struct usb_audio_cluster cluster; 1935 1936 if (iot[i].d.desc == NULL) 1937 continue; 1938 printf("id %d:\t", i); 1939 switch (iot[i].d.desc->bDescriptorSubtype) { 1940 case UDESCSUB_AC_INPUT: 1941 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name 1942 (UGETW(iot[i].d.it->wTerminalType))); 1943 printf("\t"); 1944 cluster = uaudio_get_cluster(i, iot); 1945 uaudio_dump_cluster(&cluster); 1946 printf("\n"); 1947 break; 1948 case UDESCSUB_AC_OUTPUT: 1949 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name 1950 (UGETW(iot[i].d.ot->wTerminalType))); 1951 printf("src=%d\n", iot[i].d.ot->bSourceId); 1952 break; 1953 case UDESCSUB_AC_MIXER: 1954 printf("AC_MIXER src="); 1955 for (j = 0; j < iot[i].d.mu->bNrInPins; j++) 1956 printf("%d ", iot[i].d.mu->baSourceId[j]); 1957 printf("\n\t"); 1958 cluster = uaudio_get_cluster(i, iot); 1959 uaudio_dump_cluster(&cluster); 1960 printf("\n"); 1961 break; 1962 case UDESCSUB_AC_SELECTOR: 1963 printf("AC_SELECTOR src="); 1964 for (j = 0; j < iot[i].d.su->bNrInPins; j++) 1965 printf("%d ", iot[i].d.su->baSourceId[j]); 1966 printf("\n"); 1967 break; 1968 case UDESCSUB_AC_FEATURE: 1969 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId); 1970 break; 1971 case UDESCSUB_AC_PROCESSING: 1972 printf("AC_PROCESSING src="); 1973 for (j = 0; j < iot[i].d.pu->bNrInPins; j++) 1974 printf("%d ", iot[i].d.pu->baSourceId[j]); 1975 printf("\n\t"); 1976 cluster = uaudio_get_cluster(i, iot); 1977 uaudio_dump_cluster(&cluster); 1978 printf("\n"); 1979 break; 1980 case UDESCSUB_AC_EXTENSION: 1981 printf("AC_EXTENSION src="); 1982 for (j = 0; j < iot[i].d.eu->bNrInPins; j++) 1983 printf("%d ", iot[i].d.eu->baSourceId[j]); 1984 printf("\n\t"); 1985 cluster = uaudio_get_cluster(i, iot); 1986 uaudio_dump_cluster(&cluster); 1987 printf("\n"); 1988 break; 1989 default: 1990 printf("unknown audio control (subtype=%d)\n", 1991 iot[i].d.desc->bDescriptorSubtype); 1992 } 1993 for (j = 0; j < iot[i].inputs_size; j++) { 1994 printf("\tinput%d: ", j); 1995 uaudio_dump_tml(iot[i].inputs[j]); 1996 } 1997 printf("\toutput: "); 1998 uaudio_dump_tml(iot[i].output); 1999 } 2000 #endif 2001 2002 for (i = 0; i < ndps; i++) { 2003 dp = iot[i].d.desc; 2004 if (dp == NULL) 2005 continue; 2006 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype); 2007 switch (dp->bDescriptorSubtype) { 2008 case UDESCSUB_AC_HEADER: 2009 aprint_error("uaudio_identify_ac: unexpected AC header\n"); 2010 break; 2011 case UDESCSUB_AC_INPUT: 2012 uaudio_add_input(sc, iot, i); 2013 break; 2014 case UDESCSUB_AC_OUTPUT: 2015 uaudio_add_output(sc, iot, i); 2016 break; 2017 case UDESCSUB_AC_MIXER: 2018 uaudio_add_mixer(sc, iot, i); 2019 break; 2020 case UDESCSUB_AC_SELECTOR: 2021 uaudio_add_selector(sc, iot, i); 2022 break; 2023 case UDESCSUB_AC_FEATURE: 2024 uaudio_add_feature(sc, iot, i); 2025 break; 2026 case UDESCSUB_AC_PROCESSING: 2027 uaudio_add_processing(sc, iot, i); 2028 break; 2029 case UDESCSUB_AC_EXTENSION: 2030 uaudio_add_extension(sc, iot, i); 2031 break; 2032 default: 2033 aprint_error( 2034 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n", 2035 dp->bDescriptorSubtype); 2036 break; 2037 } 2038 } 2039 2040 /* delete io_terminal */ 2041 for (i = 0; i < 256; i++) { 2042 if (iot[i].d.desc == NULL) 2043 continue; 2044 if (iot[i].inputs != NULL) { 2045 for (j = 0; j < iot[i].inputs_size; j++) { 2046 if (iot[i].inputs[j] != NULL) 2047 free(iot[i].inputs[j], M_TEMP); 2048 } 2049 free(iot[i].inputs, M_TEMP); 2050 } 2051 if (iot[i].output != NULL) 2052 free(iot[i].output, M_TEMP); 2053 iot[i].d.desc = NULL; 2054 } 2055 free(iot, M_TEMP); 2056 2057 return USBD_NORMAL_COMPLETION; 2058 } 2059 2060 Static int 2061 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 2062 { 2063 struct uaudio_softc *sc; 2064 struct mixerctl *mc; 2065 int n, nctls, i; 2066 2067 DPRINTFN(7, "index=%d\n", mi->index); 2068 sc = addr; 2069 if (sc->sc_dying) 2070 return EIO; 2071 2072 n = mi->index; 2073 nctls = sc->sc_nctls; 2074 2075 switch (n) { 2076 case UAC_OUTPUT: 2077 mi->type = AUDIO_MIXER_CLASS; 2078 mi->mixer_class = UAC_OUTPUT; 2079 mi->next = mi->prev = AUDIO_MIXER_LAST; 2080 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name)); 2081 return 0; 2082 case UAC_INPUT: 2083 mi->type = AUDIO_MIXER_CLASS; 2084 mi->mixer_class = UAC_INPUT; 2085 mi->next = mi->prev = AUDIO_MIXER_LAST; 2086 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name)); 2087 return 0; 2088 case UAC_EQUAL: 2089 mi->type = AUDIO_MIXER_CLASS; 2090 mi->mixer_class = UAC_EQUAL; 2091 mi->next = mi->prev = AUDIO_MIXER_LAST; 2092 strlcpy(mi->label.name, AudioCequalization, 2093 sizeof(mi->label.name)); 2094 return 0; 2095 case UAC_RECORD: 2096 mi->type = AUDIO_MIXER_CLASS; 2097 mi->mixer_class = UAC_RECORD; 2098 mi->next = mi->prev = AUDIO_MIXER_LAST; 2099 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name)); 2100 return 0; 2101 default: 2102 break; 2103 } 2104 2105 n -= UAC_NCLASSES; 2106 if (n < 0 || n >= nctls) 2107 return ENXIO; 2108 2109 mc = &sc->sc_ctls[n]; 2110 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name)); 2111 mi->mixer_class = mc->class; 2112 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 2113 switch (mc->type) { 2114 case MIX_ON_OFF: 2115 mi->type = AUDIO_MIXER_ENUM; 2116 mi->un.e.num_mem = 2; 2117 strlcpy(mi->un.e.member[0].label.name, AudioNoff, 2118 sizeof(mi->un.e.member[0].label.name)); 2119 mi->un.e.member[0].ord = 0; 2120 strlcpy(mi->un.e.member[1].label.name, AudioNon, 2121 sizeof(mi->un.e.member[1].label.name)); 2122 mi->un.e.member[1].ord = 1; 2123 break; 2124 case MIX_SELECTOR: 2125 mi->type = AUDIO_MIXER_ENUM; 2126 mi->un.e.num_mem = mc->maxval - mc->minval + 1; 2127 for (i = 0; i <= mc->maxval - mc->minval; i++) { 2128 snprintf(mi->un.e.member[i].label.name, 2129 sizeof(mi->un.e.member[i].label.name), 2130 "%d", i + mc->minval); 2131 mi->un.e.member[i].ord = i + mc->minval; 2132 } 2133 break; 2134 default: 2135 mi->type = AUDIO_MIXER_VALUE; 2136 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 2137 mi->un.v.num_channels = mc->nchan; 2138 mi->un.v.delta = mc->delta; 2139 break; 2140 } 2141 return 0; 2142 } 2143 2144 Static int 2145 uaudio_open(void *addr, int flags) 2146 { 2147 struct uaudio_softc *sc; 2148 2149 sc = addr; 2150 DPRINTF("sc=%p\n", sc); 2151 if (sc->sc_dying) 2152 return EIO; 2153 2154 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY)) 2155 return EACCES; 2156 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD)) 2157 return EACCES; 2158 2159 return 0; 2160 } 2161 2162 Static int 2163 uaudio_halt_out_dma(void *addr) 2164 { 2165 struct uaudio_softc *sc = addr; 2166 2167 DPRINTF("%s", "enter\n"); 2168 2169 mutex_exit(&sc->sc_intr_lock); 2170 if (sc->sc_playchan.pipe != NULL) { 2171 uaudio_chan_abort(sc, &sc->sc_playchan); 2172 uaudio_chan_free_buffers(sc, &sc->sc_playchan); 2173 uaudio_chan_close(sc, &sc->sc_playchan); 2174 sc->sc_playchan.intr = NULL; 2175 } 2176 mutex_enter(&sc->sc_intr_lock); 2177 2178 return 0; 2179 } 2180 2181 Static int 2182 uaudio_halt_in_dma(void *addr) 2183 { 2184 struct uaudio_softc *sc = addr; 2185 2186 DPRINTF("%s", "enter\n"); 2187 2188 mutex_exit(&sc->sc_intr_lock); 2189 if (sc->sc_recchan.pipe != NULL) { 2190 uaudio_chan_abort(sc, &sc->sc_recchan); 2191 uaudio_chan_free_buffers(sc, &sc->sc_recchan); 2192 uaudio_chan_close(sc, &sc->sc_recchan); 2193 sc->sc_recchan.intr = NULL; 2194 } 2195 mutex_enter(&sc->sc_intr_lock); 2196 2197 return 0; 2198 } 2199 2200 Static int 2201 uaudio_getdev(void *addr, struct audio_device *retp) 2202 { 2203 struct uaudio_softc *sc; 2204 2205 DPRINTF("%s", "\n"); 2206 sc = addr; 2207 if (sc->sc_dying) 2208 return EIO; 2209 2210 *retp = sc->sc_adev; 2211 return 0; 2212 } 2213 2214 /* 2215 * Make sure the block size is large enough to hold all outstanding transfers. 2216 */ 2217 Static int 2218 uaudio_round_blocksize(void *addr, int blk, 2219 int mode, const audio_params_t *param) 2220 { 2221 struct uaudio_softc *sc; 2222 int b; 2223 2224 sc = addr; 2225 DPRINTF("blk=%d mode=%s\n", blk, 2226 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"); 2227 2228 /* chan.bytes_per_frame can be 0. */ 2229 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) { 2230 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 2231 2232 /* 2233 * This does not make accurate value in the case 2234 * of b % USB_FRAMES_PER_SECOND != 0 2235 */ 2236 b /= USB_FRAMES_PER_SECOND; 2237 2238 b *= param->precision / 8 * param->channels; 2239 } else { 2240 /* 2241 * use wMaxPacketSize in bytes_per_frame. 2242 * See uaudio_set_format() and uaudio_chan_init() 2243 */ 2244 b = sc->sc_recchan.bytes_per_frame 2245 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 2246 } 2247 2248 if (b <= 0) 2249 b = 1; 2250 blk = blk <= b ? b : blk / b * b; 2251 2252 #ifdef DIAGNOSTIC 2253 if (blk <= 0) { 2254 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk); 2255 blk = 512; 2256 } 2257 #endif 2258 2259 DPRINTF("resultant blk=%d\n", blk); 2260 return blk; 2261 } 2262 2263 Static int 2264 uaudio_get_props(void *addr) 2265 { 2266 struct uaudio_softc *sc; 2267 int props; 2268 2269 sc = addr; 2270 props = 0; 2271 if ((sc->sc_mode & AUMODE_PLAY)) 2272 props |= AUDIO_PROP_PLAYBACK; 2273 if ((sc->sc_mode & AUMODE_RECORD)) 2274 props |= AUDIO_PROP_CAPTURE; 2275 2276 /* XXX I'm not sure all bidirectional devices support FULLDUP&INDEP */ 2277 if (props == (AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE)) 2278 props |= AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT; 2279 2280 return props; 2281 } 2282 2283 Static void 2284 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 2285 { 2286 struct uaudio_softc *sc; 2287 2288 sc = addr; 2289 *intr = &sc->sc_intr_lock; 2290 *thread = &sc->sc_lock; 2291 } 2292 2293 Static int 2294 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 2295 int wIndex, int len) 2296 { 2297 usb_device_request_t req; 2298 uint8_t data[4]; 2299 usbd_status err; 2300 int val; 2301 2302 if (wValue == -1) 2303 return 0; 2304 2305 req.bmRequestType = type; 2306 req.bRequest = which; 2307 USETW(req.wValue, wValue); 2308 USETW(req.wIndex, wIndex); 2309 USETW(req.wLength, len); 2310 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x " 2311 "wIndex=0x%04x len=%d\n", 2312 type, which, wValue, wIndex, len); 2313 err = usbd_do_request(sc->sc_udev, &req, data); 2314 if (err) { 2315 DPRINTF("err=%s\n", usbd_errstr(err)); 2316 return -1; 2317 } 2318 switch (len) { 2319 case 1: 2320 val = data[0]; 2321 break; 2322 case 2: 2323 val = data[0] | (data[1] << 8); 2324 break; 2325 default: 2326 DPRINTF("bad length=%d\n", len); 2327 return -1; 2328 } 2329 DPRINTFN(2,"val=%d\n", val); 2330 return val; 2331 } 2332 2333 Static void 2334 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 2335 int wIndex, int len, int val) 2336 { 2337 usb_device_request_t req; 2338 uint8_t data[4]; 2339 int err __unused; 2340 2341 if (wValue == -1) 2342 return; 2343 2344 req.bmRequestType = type; 2345 req.bRequest = which; 2346 USETW(req.wValue, wValue); 2347 USETW(req.wIndex, wIndex); 2348 USETW(req.wLength, len); 2349 switch (len) { 2350 case 1: 2351 data[0] = val; 2352 break; 2353 case 2: 2354 data[0] = val; 2355 data[1] = val >> 8; 2356 break; 2357 default: 2358 return; 2359 } 2360 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x " 2361 "wIndex=0x%04x len=%d, val=%d\n", 2362 type, which, wValue, wIndex, len, val & 0xffff); 2363 err = usbd_do_request(sc->sc_udev, &req, data); 2364 #ifdef UAUDIO_DEBUG 2365 if (err) 2366 DPRINTF("err=%d\n", err); 2367 #endif 2368 } 2369 2370 Static int 2371 uaudio_signext(int type, int val) 2372 { 2373 if (!MIX_UNSIGNED(type)) { 2374 if (MIX_SIZE(type) == 2) 2375 val = (int16_t)val; 2376 else 2377 val = (int8_t)val; 2378 } 2379 return val; 2380 } 2381 2382 Static int 2383 uaudio_value2bsd(struct mixerctl *mc, int val) 2384 { 2385 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ", 2386 mc->type, val, mc->minval, mc->maxval); 2387 if (mc->type == MIX_ON_OFF) { 2388 val = (val != 0); 2389 } else if (mc->type == MIX_SELECTOR) { 2390 if (val < mc->minval || val > mc->maxval) 2391 val = mc->minval; 2392 } else 2393 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255 2394 + mc->mul/2) / mc->mul; 2395 DPRINTFN_CLEAN(5, "val'=%d\n", val); 2396 return val; 2397 } 2398 2399 int 2400 uaudio_bsd2value(struct mixerctl *mc, int val) 2401 { 2402 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ", 2403 mc->type, val, mc->minval, mc->maxval); 2404 if (mc->type == MIX_ON_OFF) { 2405 val = (val != 0); 2406 } else if (mc->type == MIX_SELECTOR) { 2407 if (val < mc->minval || val > mc->maxval) 2408 val = mc->minval; 2409 } else 2410 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval; 2411 DPRINTFN_CLEAN(5, "val'=%d\n", val); 2412 return val; 2413 } 2414 2415 Static int 2416 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 2417 int chan) 2418 { 2419 int val; 2420 2421 DPRINTFN(5,"which=%d chan=%d\n", which, chan); 2422 mutex_exit(&sc->sc_lock); 2423 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 2424 mc->wIndex, MIX_SIZE(mc->type)); 2425 mutex_enter(&sc->sc_lock); 2426 return uaudio_value2bsd(mc, val); 2427 } 2428 2429 Static void 2430 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 2431 int chan, int val) 2432 { 2433 2434 val = uaudio_bsd2value(mc, val); 2435 mutex_exit(&sc->sc_lock); 2436 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 2437 mc->wIndex, MIX_SIZE(mc->type), val); 2438 mutex_enter(&sc->sc_lock); 2439 } 2440 2441 Static int 2442 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 2443 { 2444 struct uaudio_softc *sc; 2445 struct mixerctl *mc; 2446 int i, n, vals[MIX_MAX_CHAN], val; 2447 2448 DPRINTFN(2, "index=%d\n", cp->dev); 2449 sc = addr; 2450 if (sc->sc_dying) 2451 return EIO; 2452 2453 n = cp->dev - UAC_NCLASSES; 2454 if (n < 0 || n >= sc->sc_nctls) 2455 return ENXIO; 2456 mc = &sc->sc_ctls[n]; 2457 2458 if (mc->type == MIX_ON_OFF) { 2459 if (cp->type != AUDIO_MIXER_ENUM) 2460 return EINVAL; 2461 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 2462 } else if (mc->type == MIX_SELECTOR) { 2463 if (cp->type != AUDIO_MIXER_ENUM) 2464 return EINVAL; 2465 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 2466 } else { 2467 if (cp->type != AUDIO_MIXER_VALUE) 2468 return EINVAL; 2469 if (cp->un.value.num_channels != 1 && 2470 cp->un.value.num_channels != mc->nchan) 2471 return EINVAL; 2472 for (i = 0; i < mc->nchan; i++) 2473 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 2474 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 2475 for (val = 0, i = 0; i < mc->nchan; i++) 2476 val += vals[i]; 2477 vals[0] = val / mc->nchan; 2478 } 2479 for (i = 0; i < cp->un.value.num_channels; i++) 2480 cp->un.value.level[i] = vals[i]; 2481 } 2482 2483 return 0; 2484 } 2485 2486 Static int 2487 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 2488 { 2489 struct uaudio_softc *sc; 2490 struct mixerctl *mc; 2491 int i, n, vals[MIX_MAX_CHAN]; 2492 2493 DPRINTFN(2, "index = %d\n", cp->dev); 2494 sc = addr; 2495 if (sc->sc_dying) 2496 return EIO; 2497 2498 n = cp->dev - UAC_NCLASSES; 2499 if (n < 0 || n >= sc->sc_nctls) 2500 return ENXIO; 2501 mc = &sc->sc_ctls[n]; 2502 2503 if (mc->type == MIX_ON_OFF) { 2504 if (cp->type != AUDIO_MIXER_ENUM) 2505 return EINVAL; 2506 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 2507 } else if (mc->type == MIX_SELECTOR) { 2508 if (cp->type != AUDIO_MIXER_ENUM) 2509 return EINVAL; 2510 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 2511 } else { 2512 if (cp->type != AUDIO_MIXER_VALUE) 2513 return EINVAL; 2514 if (cp->un.value.num_channels == 1) 2515 for (i = 0; i < mc->nchan; i++) 2516 vals[i] = cp->un.value.level[0]; 2517 else if (cp->un.value.num_channels == mc->nchan) 2518 for (i = 0; i < mc->nchan; i++) 2519 vals[i] = cp->un.value.level[i]; 2520 else 2521 return EINVAL; 2522 for (i = 0; i < mc->nchan; i++) 2523 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 2524 } 2525 return 0; 2526 } 2527 2528 Static int 2529 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 2530 void (*intr)(void *), void *arg, 2531 const audio_params_t *param) 2532 { 2533 struct uaudio_softc *sc; 2534 struct chan *ch; 2535 usbd_status err; 2536 int i; 2537 2538 sc = addr; 2539 if (sc->sc_dying) 2540 return EIO; 2541 2542 DPRINTFN(3, "sc=%p start=%p end=%p " 2543 "blksize=%d\n", sc, start, end, blksize); 2544 ch = &sc->sc_recchan; 2545 uaudio_chan_set_param(ch, start, end, blksize); 2546 DPRINTFN(3, "sample_size=%d bytes/frame=%d " 2547 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 2548 ch->fraction); 2549 2550 err = uaudio_chan_open(sc, ch); 2551 if (err) { 2552 return EIO; 2553 } 2554 2555 err = uaudio_chan_alloc_buffers(sc, ch); 2556 if (err) { 2557 uaudio_chan_close(sc, ch); 2558 return EIO; 2559 } 2560 2561 2562 ch->intr = intr; 2563 ch->arg = arg; 2564 2565 /* 2566 * Start as half as many channels for recording as for playback. 2567 * This stops playback from stuttering in full-duplex operation. 2568 */ 2569 for (i = 0; i < UAUDIO_NCHANBUFS / 2; i++) { 2570 uaudio_chan_rtransfer(ch); 2571 } 2572 2573 return 0; 2574 } 2575 2576 Static int 2577 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 2578 void (*intr)(void *), void *arg, 2579 const audio_params_t *param) 2580 { 2581 struct uaudio_softc *sc; 2582 struct chan *ch; 2583 usbd_status err; 2584 int i; 2585 2586 sc = addr; 2587 if (sc->sc_dying) 2588 return EIO; 2589 2590 DPRINTFN(3, "sc=%p start=%p end=%p " 2591 "blksize=%d\n", sc, start, end, blksize); 2592 ch = &sc->sc_playchan; 2593 uaudio_chan_set_param(ch, start, end, blksize); 2594 DPRINTFN(3, "sample_size=%d bytes/frame=%d " 2595 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 2596 ch->fraction); 2597 2598 err = uaudio_chan_open(sc, ch); 2599 if (err) { 2600 return EIO; 2601 } 2602 2603 err = uaudio_chan_alloc_buffers(sc, ch); 2604 if (err) { 2605 uaudio_chan_close(sc, ch); 2606 return EIO; 2607 } 2608 2609 ch->intr = intr; 2610 ch->arg = arg; 2611 2612 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 2613 uaudio_chan_ptransfer(ch); 2614 2615 return 0; 2616 } 2617 2618 /* Set up a pipe for a channel. */ 2619 Static usbd_status 2620 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 2621 { 2622 struct as_info *as; 2623 usb_device_descriptor_t *ddesc; 2624 int endpt; 2625 usbd_status err; 2626 2627 as = &sc->sc_alts[ch->altidx]; 2628 endpt = as->edesc->bEndpointAddress; 2629 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n", 2630 endpt, ch->sample_rate, as->alt); 2631 2632 /* Set alternate interface corresponding to the mode. */ 2633 err = usbd_set_interface(as->ifaceh, as->alt); 2634 if (err) 2635 return err; 2636 2637 /* 2638 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request. 2639 */ 2640 ddesc = usbd_get_device_descriptor(sc->sc_udev); 2641 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) && 2642 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) { 2643 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 2644 if (err) { 2645 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err)); 2646 } 2647 } 2648 2649 DPRINTF("create pipe to 0x%02x\n", endpt); 2650 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe); 2651 if (err) 2652 return err; 2653 if (as->edesc1 != NULL) { 2654 endpt = as->edesc1->bEndpointAddress; 2655 DPRINTF("create sync-pipe to 0x%02x\n", endpt); 2656 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, 2657 &ch->sync_pipe); 2658 } 2659 return err; 2660 } 2661 2662 Static void 2663 uaudio_chan_abort(struct uaudio_softc *sc, struct chan *ch) 2664 { 2665 struct usbd_pipe *pipe; 2666 struct as_info *as; 2667 2668 as = &sc->sc_alts[ch->altidx]; 2669 as->sc_busy = 0; 2670 if (sc->sc_nullalt >= 0) { 2671 DPRINTF("set null alt=%d\n", sc->sc_nullalt); 2672 usbd_set_interface(as->ifaceh, sc->sc_nullalt); 2673 } 2674 pipe = ch->pipe; 2675 if (pipe) { 2676 usbd_abort_pipe(pipe); 2677 } 2678 pipe = ch->sync_pipe; 2679 if (pipe) { 2680 usbd_abort_pipe(pipe); 2681 } 2682 } 2683 2684 Static void 2685 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 2686 { 2687 struct usbd_pipe *pipe; 2688 2689 pipe = atomic_swap_ptr(&ch->pipe, NULL); 2690 if (pipe) { 2691 usbd_close_pipe(pipe); 2692 } 2693 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL); 2694 if (pipe) { 2695 usbd_close_pipe(pipe); 2696 } 2697 } 2698 2699 Static usbd_status 2700 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 2701 { 2702 int i, size; 2703 2704 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 2705 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 2706 struct usbd_xfer *xfer; 2707 2708 int err = usbd_create_xfer(ch->pipe, size, 0, UAUDIO_NFRAMES, 2709 &xfer); 2710 if (err) 2711 goto bad; 2712 2713 ch->chanbufs[i].xfer = xfer; 2714 ch->chanbufs[i].buffer = usbd_get_buffer(xfer); 2715 ch->chanbufs[i].chan = ch; 2716 } 2717 2718 return USBD_NORMAL_COMPLETION; 2719 2720 bad: 2721 while (--i >= 0) 2722 /* implicit buffer free */ 2723 usbd_destroy_xfer(ch->chanbufs[i].xfer); 2724 return USBD_NOMEM; 2725 } 2726 2727 Static void 2728 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 2729 { 2730 int i; 2731 2732 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 2733 usbd_destroy_xfer(ch->chanbufs[i].xfer); 2734 } 2735 2736 Static void 2737 uaudio_chan_ptransfer(struct chan *ch) 2738 { 2739 struct chanbuf *cb; 2740 int i, n, size, residue, total; 2741 2742 if (ch->sc->sc_dying) 2743 return; 2744 2745 /* Pick the next channel buffer. */ 2746 cb = &ch->chanbufs[ch->curchanbuf]; 2747 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2748 ch->curchanbuf = 0; 2749 2750 /* Compute the size of each frame in the next transfer. */ 2751 residue = ch->residue; 2752 total = 0; 2753 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2754 size = ch->bytes_per_frame; 2755 residue += ch->fraction; 2756 if (residue >= USB_FRAMES_PER_SECOND) { 2757 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 2758 size += ch->sample_size; 2759 residue -= USB_FRAMES_PER_SECOND; 2760 } 2761 cb->sizes[i] = size; 2762 total += size; 2763 } 2764 ch->residue = residue; 2765 cb->size = total; 2766 2767 /* 2768 * Transfer data from upper layer buffer to channel buffer, taking 2769 * care of wrapping the upper layer buffer. 2770 */ 2771 n = uimin(total, ch->end - ch->cur); 2772 memcpy(cb->buffer, ch->cur, n); 2773 ch->cur += n; 2774 if (ch->cur >= ch->end) 2775 ch->cur = ch->start; 2776 if (total > n) { 2777 total -= n; 2778 memcpy(cb->buffer + n, ch->cur, total); 2779 ch->cur += total; 2780 } 2781 2782 #ifdef UAUDIO_DEBUG 2783 if (uaudiodebug > 8) { 2784 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue); 2785 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2786 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]); 2787 } 2788 } 2789 #endif 2790 2791 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer); 2792 /* Fill the request */ 2793 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0, 2794 uaudio_chan_pintr); 2795 2796 (void)usbd_transfer(cb->xfer); 2797 } 2798 2799 Static void 2800 uaudio_chan_pintr(struct usbd_xfer *xfer, void *priv, 2801 usbd_status status) 2802 { 2803 struct chanbuf *cb; 2804 struct chan *ch; 2805 uint32_t count; 2806 2807 cb = priv; 2808 ch = cb->chan; 2809 /* Return if we are aborting. */ 2810 if (status == USBD_CANCELLED) 2811 return; 2812 2813 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2814 DPRINTFN(5, "count=%d, transferred=%d\n", 2815 count, ch->transferred); 2816 #ifdef DIAGNOSTIC 2817 if (count != cb->size) { 2818 aprint_error("uaudio_chan_pintr: count(%d) != size(%d)\n", 2819 count, cb->size); 2820 } 2821 #endif 2822 2823 mutex_enter(&ch->sc->sc_intr_lock); 2824 ch->transferred += cb->size; 2825 /* Call back to upper layer */ 2826 while (ch->transferred >= ch->blksize) { 2827 ch->transferred -= ch->blksize; 2828 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg); 2829 ch->intr(ch->arg); 2830 } 2831 mutex_exit(&ch->sc->sc_intr_lock); 2832 2833 /* start next transfer */ 2834 uaudio_chan_ptransfer(ch); 2835 } 2836 2837 Static void 2838 uaudio_chan_rtransfer(struct chan *ch) 2839 { 2840 struct chanbuf *cb; 2841 int i, size, residue, total; 2842 2843 if (ch->sc->sc_dying) 2844 return; 2845 2846 /* Pick the next channel buffer. */ 2847 cb = &ch->chanbufs[ch->curchanbuf]; 2848 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2849 ch->curchanbuf = 0; 2850 2851 /* Compute the size of each frame in the next transfer. */ 2852 residue = ch->residue; 2853 total = 0; 2854 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2855 size = ch->bytes_per_frame; 2856 cb->sizes[i] = size; 2857 cb->offsets[i] = total; 2858 total += size; 2859 } 2860 ch->residue = residue; 2861 cb->size = total; 2862 2863 #ifdef UAUDIO_DEBUG 2864 if (uaudiodebug > 8) { 2865 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue); 2866 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2867 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]); 2868 } 2869 } 2870 #endif 2871 2872 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer); 2873 /* Fill the request */ 2874 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0, 2875 uaudio_chan_rintr); 2876 2877 (void)usbd_transfer(cb->xfer); 2878 } 2879 2880 Static void 2881 uaudio_chan_rintr(struct usbd_xfer *xfer, void *priv, 2882 usbd_status status) 2883 { 2884 struct chanbuf *cb; 2885 struct chan *ch; 2886 uint32_t count; 2887 int i, n, frsize; 2888 2889 cb = priv; 2890 ch = cb->chan; 2891 /* Return if we are aborting. */ 2892 if (status == USBD_CANCELLED) 2893 return; 2894 2895 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2896 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred); 2897 2898 /* count < cb->size is normal for asynchronous source */ 2899 #ifdef DIAGNOSTIC 2900 if (count > cb->size) { 2901 aprint_error("uaudio_chan_rintr: count(%d) > size(%d)\n", 2902 count, cb->size); 2903 } 2904 #endif 2905 2906 /* 2907 * Transfer data from channel buffer to upper layer buffer, taking 2908 * care of wrapping the upper layer buffer. 2909 */ 2910 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2911 frsize = cb->sizes[i]; 2912 n = uimin(frsize, ch->end - ch->cur); 2913 memcpy(ch->cur, cb->buffer + cb->offsets[i], n); 2914 ch->cur += n; 2915 if (ch->cur >= ch->end) 2916 ch->cur = ch->start; 2917 if (frsize > n) { 2918 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n, 2919 frsize - n); 2920 ch->cur += frsize - n; 2921 } 2922 } 2923 2924 /* Call back to upper layer */ 2925 mutex_enter(&ch->sc->sc_intr_lock); 2926 ch->transferred += count; 2927 while (ch->transferred >= ch->blksize) { 2928 ch->transferred -= ch->blksize; 2929 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg); 2930 ch->intr(ch->arg); 2931 } 2932 mutex_exit(&ch->sc->sc_intr_lock); 2933 2934 /* start next transfer */ 2935 uaudio_chan_rtransfer(ch); 2936 } 2937 2938 Static void 2939 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param, 2940 int maxpktsize) 2941 { 2942 int samples_per_frame, sample_size; 2943 2944 ch->altidx = altidx; 2945 sample_size = param->precision * param->channels / 8; 2946 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND; 2947 ch->sample_size = sample_size; 2948 ch->sample_rate = param->sample_rate; 2949 if (maxpktsize == 0) { 2950 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND; 2951 ch->bytes_per_frame = samples_per_frame * sample_size; 2952 } else { 2953 ch->fraction = 0; 2954 ch->bytes_per_frame = maxpktsize; 2955 } 2956 ch->residue = 0; 2957 } 2958 2959 Static void 2960 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize) 2961 { 2962 2963 ch->start = start; 2964 ch->end = end; 2965 ch->cur = start; 2966 ch->blksize = blksize; 2967 ch->transferred = 0; 2968 ch->curchanbuf = 0; 2969 } 2970 2971 Static int 2972 uaudio_set_format(void *addr, int setmode, 2973 const audio_params_t *play, const audio_params_t *rec, 2974 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 2975 { 2976 struct uaudio_softc *sc; 2977 int paltidx, raltidx; 2978 2979 sc = addr; 2980 paltidx = -1; 2981 raltidx = -1; 2982 if (sc->sc_dying) 2983 return EIO; 2984 2985 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) { 2986 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0; 2987 } 2988 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) { 2989 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0; 2990 } 2991 2992 /* Some uaudio devices are unidirectional. Don't try to find a 2993 matching mode for the unsupported direction. */ 2994 setmode &= sc->sc_mode; 2995 2996 if ((setmode & AUMODE_PLAY)) { 2997 paltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats, 2998 AUMODE_PLAY, play); 2999 /* Transfer should have halted */ 3000 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0); 3001 } 3002 if ((setmode & AUMODE_RECORD)) { 3003 raltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats, 3004 AUMODE_RECORD, rec); 3005 /* Transfer should have halted */ 3006 uaudio_chan_init(&sc->sc_recchan, raltidx, rec, 0); 3007 } 3008 3009 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) { 3010 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1; 3011 } 3012 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) { 3013 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1; 3014 } 3015 3016 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n", 3017 sc->sc_playchan.altidx, sc->sc_recchan.altidx, 3018 (sc->sc_playchan.altidx >= 0) 3019 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting 3020 : -1, 3021 (sc->sc_recchan.altidx >= 0) 3022 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting 3023 : -1); 3024 3025 return 0; 3026 } 3027 3028 Static usbd_status 3029 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed) 3030 { 3031 usb_device_request_t req; 3032 usbd_status err; 3033 uint8_t data[3]; 3034 3035 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed); 3036 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 3037 req.bRequest = SET_CUR; 3038 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 3039 USETW(req.wIndex, endpt); 3040 USETW(req.wLength, 3); 3041 data[0] = speed; 3042 data[1] = speed >> 8; 3043 data[2] = speed >> 16; 3044 3045 err = usbd_do_request(sc->sc_udev, &req, data); 3046 3047 return err; 3048 } 3049 3050 #ifdef _MODULE 3051 3052 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL); 3053 3054 static const struct cfiattrdata audiobuscf_iattrdata = { 3055 "audiobus", 0, { { NULL, NULL, 0 }, } 3056 }; 3057 static const struct cfiattrdata * const uaudio_attrs[] = { 3058 &audiobuscf_iattrdata, NULL 3059 }; 3060 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs); 3061 extern struct cfattach uaudio_ca; 3062 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = { 3063 -1/*USBIFIFCF_PORT_DEFAULT*/, 3064 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/, 3065 -1/*USBIFIFCF_INTERFACE_DEFAULT*/, 3066 -1/*USBIFIFCF_VENDOR_DEFAULT*/, 3067 -1/*USBIFIFCF_PRODUCT_DEFAULT*/, 3068 -1/*USBIFIFCF_RELEASE_DEFAULT*/}; 3069 static struct cfparent uhubparent = { 3070 "usbifif", NULL, DVUNIT_ANY 3071 }; 3072 static struct cfdata uaudio_cfdata[] = { 3073 { 3074 .cf_name = "uaudio", 3075 .cf_atname = "uaudio", 3076 .cf_unit = 0, 3077 .cf_fstate = FSTATE_STAR, 3078 .cf_loc = uaudioloc, 3079 .cf_flags = 0, 3080 .cf_pspec = &uhubparent, 3081 }, 3082 { NULL } 3083 }; 3084 3085 static int 3086 uaudio_modcmd(modcmd_t cmd, void *arg) 3087 { 3088 int err; 3089 3090 switch (cmd) { 3091 case MODULE_CMD_INIT: 3092 err = config_cfdriver_attach(&uaudio_cd); 3093 if (err) { 3094 return err; 3095 } 3096 err = config_cfattach_attach("uaudio", &uaudio_ca); 3097 if (err) { 3098 config_cfdriver_detach(&uaudio_cd); 3099 return err; 3100 } 3101 err = config_cfdata_attach(uaudio_cfdata, 1); 3102 if (err) { 3103 config_cfattach_detach("uaudio", &uaudio_ca); 3104 config_cfdriver_detach(&uaudio_cd); 3105 return err; 3106 } 3107 return 0; 3108 case MODULE_CMD_FINI: 3109 err = config_cfdata_detach(uaudio_cfdata); 3110 if (err) 3111 return err; 3112 config_cfattach_detach("uaudio", &uaudio_ca); 3113 config_cfdriver_detach(&uaudio_cd); 3114 return 0; 3115 default: 3116 return ENOTTY; 3117 } 3118 } 3119 3120 #endif 3121