1 /* $NetBSD: uaudio.c,v 1.174 2022/06/28 05:22:13 skrll 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 1.174 2022/06/28 05:22:13 skrll 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 void uaudio_halt_in_dma_unlocked(struct uaudio_softc *); 347 Static void uaudio_halt_out_dma_unlocked(struct uaudio_softc *); 348 Static int uaudio_getdev(void *, struct audio_device *); 349 Static int uaudio_mixer_set_port(void *, mixer_ctrl_t *); 350 Static int uaudio_mixer_get_port(void *, mixer_ctrl_t *); 351 Static int uaudio_query_devinfo(void *, mixer_devinfo_t *); 352 Static int uaudio_get_props(void *); 353 Static void uaudio_get_locks(void *, kmutex_t **, kmutex_t **); 354 355 Static const struct audio_hw_if uaudio_hw_if = { 356 .open = uaudio_open, 357 .query_format = uaudio_query_format, 358 .set_format = uaudio_set_format, 359 .round_blocksize = uaudio_round_blocksize, 360 .halt_output = uaudio_halt_out_dma, 361 .halt_input = uaudio_halt_in_dma, 362 .getdev = uaudio_getdev, 363 .set_port = uaudio_mixer_set_port, 364 .get_port = uaudio_mixer_get_port, 365 .query_devinfo = uaudio_query_devinfo, 366 .get_props = uaudio_get_props, 367 .trigger_output = uaudio_trigger_output, 368 .trigger_input = uaudio_trigger_input, 369 .get_locks = uaudio_get_locks, 370 }; 371 372 static int uaudio_match(device_t, cfdata_t, void *); 373 static void uaudio_attach(device_t, device_t, void *); 374 static int uaudio_detach(device_t, int); 375 static void uaudio_childdet(device_t, device_t); 376 static int uaudio_activate(device_t, enum devact); 377 378 379 380 CFATTACH_DECL2_NEW(uaudio, sizeof(struct uaudio_softc), 381 uaudio_match, uaudio_attach, uaudio_detach, uaudio_activate, NULL, 382 uaudio_childdet); 383 384 static int 385 uaudio_match(device_t parent, cfdata_t match, void *aux) 386 { 387 struct usbif_attach_arg *uiaa = aux; 388 389 /* Trigger on the control interface. */ 390 if (uiaa->uiaa_class != UICLASS_AUDIO || 391 uiaa->uiaa_subclass != UISUBCLASS_AUDIOCONTROL || 392 (usbd_get_quirks(uiaa->uiaa_device)->uq_flags & UQ_BAD_AUDIO)) 393 return UMATCH_NONE; 394 395 return UMATCH_IFACECLASS_IFACESUBCLASS; 396 } 397 398 static void 399 uaudio_attach(device_t parent, device_t self, void *aux) 400 { 401 struct uaudio_softc *sc = device_private(self); 402 struct usbif_attach_arg *uiaa = aux; 403 usb_interface_descriptor_t *id; 404 usb_config_descriptor_t *cdesc; 405 char *devinfop; 406 usbd_status err; 407 int i, j, found; 408 409 sc->sc_dev = self; 410 sc->sc_udev = uiaa->uiaa_device; 411 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 412 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 413 414 strlcpy(sc->sc_adev.name, "USB audio", sizeof(sc->sc_adev.name)); 415 strlcpy(sc->sc_adev.version, "", sizeof(sc->sc_adev.version)); 416 snprintf(sc->sc_adev.config, sizeof(sc->sc_adev.config), "usb:%08x", 417 sc->sc_udev->ud_cookie.cookie); 418 419 aprint_naive("\n"); 420 aprint_normal("\n"); 421 422 devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0); 423 aprint_normal_dev(self, "%s\n", devinfop); 424 usbd_devinfo_free(devinfop); 425 426 cdesc = usbd_get_config_descriptor(sc->sc_udev); 427 if (cdesc == NULL) { 428 aprint_error_dev(self, 429 "failed to get configuration descriptor\n"); 430 return; 431 } 432 433 err = uaudio_identify(sc, cdesc); 434 if (err) { 435 aprint_error_dev(self, 436 "audio descriptors make no sense, error=%d\n", err); 437 return; 438 } 439 440 sc->sc_ac_ifaceh = uiaa->uiaa_iface; 441 /* Pick up the AS interface. */ 442 for (i = 0; i < uiaa->uiaa_nifaces; i++) { 443 if (uiaa->uiaa_ifaces[i] == NULL) 444 continue; 445 id = usbd_get_interface_descriptor(uiaa->uiaa_ifaces[i]); 446 if (id == NULL) 447 continue; 448 found = 0; 449 for (j = 0; j < sc->sc_nalts; j++) { 450 if (id->bInterfaceNumber == 451 sc->sc_alts[j].idesc->bInterfaceNumber) { 452 sc->sc_alts[j].ifaceh = uiaa->uiaa_ifaces[i]; 453 found = 1; 454 } 455 } 456 if (found) 457 uiaa->uiaa_ifaces[i] = NULL; 458 } 459 460 for (j = 0; j < sc->sc_nalts; j++) { 461 if (sc->sc_alts[j].ifaceh == NULL) { 462 aprint_error_dev(self, 463 "alt %d missing AS interface(s)\n", j); 464 return; 465 } 466 } 467 468 aprint_normal_dev(self, "audio rev %d.%02x\n", 469 sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); 470 471 sc->sc_playchan.sc = sc->sc_recchan.sc = sc; 472 sc->sc_playchan.altidx = -1; 473 sc->sc_recchan.altidx = -1; 474 475 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_FRAC) 476 sc->sc_altflags |= UA_NOFRAC; 477 478 #ifndef UAUDIO_DEBUG 479 if (bootverbose) 480 #endif 481 aprint_normal_dev(self, "%d mixer controls\n", 482 sc->sc_nctls); 483 484 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 485 486 DPRINTF("%s", "doing audio_attach_mi\n"); 487 sc->sc_audiodev = audio_attach_mi(&uaudio_hw_if, sc, sc->sc_dev); 488 489 if (!pmf_device_register(self, NULL, NULL)) 490 aprint_error_dev(self, "couldn't establish power handler\n"); 491 492 return; 493 } 494 495 static int 496 uaudio_activate(device_t self, enum devact act) 497 { 498 struct uaudio_softc *sc = device_private(self); 499 500 switch (act) { 501 case DVACT_DEACTIVATE: 502 sc->sc_dying = 1; 503 return 0; 504 default: 505 return EOPNOTSUPP; 506 } 507 } 508 509 static void 510 uaudio_childdet(device_t self, device_t child) 511 { 512 struct uaudio_softc *sc = device_private(self); 513 514 KASSERT(sc->sc_audiodev == child); 515 sc->sc_audiodev = NULL; 516 } 517 518 static int 519 uaudio_detach(device_t self, int flags) 520 { 521 struct uaudio_softc *sc = device_private(self); 522 int rv; 523 524 sc->sc_dying = 1; 525 526 pmf_device_deregister(self); 527 528 /* Wait for outstanding requests to complete. */ 529 uaudio_halt_out_dma_unlocked(sc); 530 uaudio_halt_in_dma_unlocked(sc); 531 532 if (sc->sc_audiodev != NULL) { 533 rv = config_detach(sc->sc_audiodev, flags); 534 if (rv) 535 return rv; 536 } 537 538 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 539 540 if (sc->sc_formats != NULL) 541 kmem_free(sc->sc_formats, 542 sizeof(struct audio_format) * sc->sc_nformats); 543 544 mutex_destroy(&sc->sc_lock); 545 mutex_destroy(&sc->sc_intr_lock); 546 547 return 0; 548 } 549 550 Static int 551 uaudio_query_format(void *addr, audio_format_query_t *afp) 552 { 553 struct uaudio_softc *sc; 554 555 sc = addr; 556 return audio_query_format(sc->sc_formats, sc->sc_nformats, afp); 557 } 558 559 Static const usb_interface_descriptor_t * 560 uaudio_find_iface(const char *tbuf, int size, int *offsp, int subtype) 561 { 562 const usb_interface_descriptor_t *d; 563 564 while (*offsp + sizeof(*d) <= size) { 565 d = (const void *)(tbuf + *offsp); 566 DPRINTFN(3, "%d + %d <= %d type %d class %d/%d iface %d\n", 567 *offsp, d->bLength, size, 568 d->bDescriptorType, 569 d->bInterfaceClass, 570 d->bInterfaceSubClass, 571 d->bInterfaceNumber); 572 *offsp += d->bLength; 573 if (d->bDescriptorType == UDESC_INTERFACE && 574 d->bInterfaceClass == UICLASS_AUDIO && 575 d->bInterfaceSubClass == subtype) 576 return d; 577 } 578 return NULL; 579 } 580 581 Static void 582 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct mixerctl *mc) 583 { 584 int res; 585 size_t len; 586 struct mixerctl *nmc; 587 588 if (mc->class < UAC_NCLASSES) { 589 DPRINTF("adding %s.%s\n", uac_names[mc->class], mc->ctlname); 590 } else { 591 DPRINTF("adding %s\n", mc->ctlname); 592 } 593 len = sizeof(*mc) * (sc->sc_nctls + 1); 594 nmc = kmem_alloc(len, KM_SLEEP); 595 /* Copy old data, if there was any */ 596 if (sc->sc_nctls != 0) { 597 memcpy(nmc, sc->sc_ctls, sizeof(*mc) * (sc->sc_nctls)); 598 kmem_free(sc->sc_ctls, sizeof(*mc) * sc->sc_nctls); 599 } 600 sc->sc_ctls = nmc; 601 602 mc->delta = 0; 603 if (mc->type == MIX_ON_OFF) { 604 mc->minval = 0; 605 mc->maxval = 1; 606 } else if (mc->type == MIX_SELECTOR) { 607 ; 608 } else { 609 /* Determine min and max values. */ 610 mc->minval = uaudio_signext(mc->type, 611 uaudio_get(sc, GET_MIN, UT_READ_CLASS_INTERFACE, 612 mc->wValue[0], mc->wIndex, 613 MIX_SIZE(mc->type))); 614 mc->maxval = 1 + uaudio_signext(mc->type, 615 uaudio_get(sc, GET_MAX, UT_READ_CLASS_INTERFACE, 616 mc->wValue[0], mc->wIndex, 617 MIX_SIZE(mc->type))); 618 mc->mul = mc->maxval - mc->minval; 619 if (mc->mul == 0) 620 mc->mul = 1; 621 res = uaudio_get(sc, GET_RES, UT_READ_CLASS_INTERFACE, 622 mc->wValue[0], mc->wIndex, 623 MIX_SIZE(mc->type)); 624 if (res > 0) 625 mc->delta = (res * 255 + mc->mul/2) / mc->mul; 626 } 627 628 sc->sc_ctls[sc->sc_nctls++] = *mc; 629 630 #ifdef UAUDIO_DEBUG 631 if (uaudiodebug > 2) { 632 int i; 633 634 DPRINTFN_CLEAN(2, "wValue=%04x", mc->wValue[0]); 635 for (i = 1; i < mc->nchan; i++) 636 DPRINTFN_CLEAN(2, ",%04x", mc->wValue[i]); 637 DPRINTFN_CLEAN(2, " wIndex=%04x type=%d name='%s' unit='%s' " 638 "min=%d max=%d\n", 639 mc->wIndex, mc->type, mc->ctlname, mc->ctlunit, 640 mc->minval, mc->maxval); 641 } 642 #endif 643 } 644 645 Static char * 646 uaudio_id_name(struct uaudio_softc *sc, 647 const struct io_terminal *iot, int id) 648 { 649 static char tbuf[32]; 650 651 snprintf(tbuf, sizeof(tbuf), "i%d", id); 652 return tbuf; 653 } 654 655 #ifdef UAUDIO_DEBUG 656 Static void 657 uaudio_dump_cluster(const struct usb_audio_cluster *cl) 658 { 659 static const char *channel_names[16] = { 660 "LEFT", "RIGHT", "CENTER", "LFE", 661 "LEFT_SURROUND", "RIGHT_SURROUND", "LEFT_CENTER", "RIGHT_CENTER", 662 "SURROUND", "LEFT_SIDE", "RIGHT_SIDE", "TOP", 663 "RESERVED12", "RESERVED13", "RESERVED14", "RESERVED15", 664 }; 665 int cc, i, first; 666 667 cc = UGETW(cl->wChannelConfig); 668 printf("cluster: bNrChannels=%u wChannelConfig=%#.4x", 669 cl->bNrChannels, cc); 670 first = TRUE; 671 for (i = 0; cc != 0; i++) { 672 if (cc & 1) { 673 printf("%c%s", first ? '<' : ',', channel_names[i]); 674 first = FALSE; 675 } 676 cc = cc >> 1; 677 } 678 printf("> iChannelNames=%u", cl->iChannelNames); 679 } 680 #endif 681 682 Static struct usb_audio_cluster 683 uaudio_get_cluster(int id, const struct io_terminal *iot) 684 { 685 struct usb_audio_cluster r; 686 const uaudio_cs_descriptor_t *dp; 687 int i; 688 689 for (i = 0; i < 25; i++) { /* avoid infinite loops */ 690 dp = iot[id].d.desc; 691 if (dp == 0) 692 goto bad; 693 switch (dp->bDescriptorSubtype) { 694 case UDESCSUB_AC_INPUT: 695 r.bNrChannels = iot[id].d.it->bNrChannels; 696 USETW(r.wChannelConfig, UGETW(iot[id].d.it->wChannelConfig)); 697 r.iChannelNames = iot[id].d.it->iChannelNames; 698 return r; 699 case UDESCSUB_AC_OUTPUT: 700 id = iot[id].d.ot->bSourceId; 701 break; 702 case UDESCSUB_AC_MIXER: 703 r = *(const struct usb_audio_cluster *) 704 &iot[id].d.mu->baSourceId[iot[id].d.mu->bNrInPins]; 705 return r; 706 case UDESCSUB_AC_SELECTOR: 707 /* XXX This is not really right */ 708 id = iot[id].d.su->baSourceId[0]; 709 break; 710 case UDESCSUB_AC_FEATURE: 711 id = iot[id].d.fu->bSourceId; 712 break; 713 case UDESCSUB_AC_PROCESSING: 714 r = *(const struct usb_audio_cluster *) 715 &iot[id].d.pu->baSourceId[iot[id].d.pu->bNrInPins]; 716 return r; 717 case UDESCSUB_AC_EXTENSION: 718 r = *(const struct usb_audio_cluster *) 719 &iot[id].d.eu->baSourceId[iot[id].d.eu->bNrInPins]; 720 return r; 721 default: 722 goto bad; 723 } 724 } 725 bad: 726 aprint_error("uaudio_get_cluster: bad data\n"); 727 memset(&r, 0, sizeof(r)); 728 return r; 729 730 } 731 732 Static void 733 uaudio_add_input(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 734 { 735 const struct usb_audio_input_terminal *d; 736 737 d = iot[id].d.it; 738 #ifdef UAUDIO_DEBUG 739 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x " 740 "bAssocTerminal=%d bNrChannels=%d wChannelConfig=%d " 741 "iChannelNames=%d iTerminal=%d\n", 742 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 743 d->bNrChannels, UGETW(d->wChannelConfig), 744 d->iChannelNames, d->iTerminal); 745 #endif 746 /* If USB input terminal, record wChannelConfig */ 747 if ((UGETW(d->wTerminalType) & 0xff00) != 0x0100) 748 return; 749 sc->sc_channel_config = UGETW(d->wChannelConfig); 750 } 751 752 Static void 753 uaudio_add_output(struct uaudio_softc *sc, 754 const struct io_terminal *iot, int id) 755 { 756 #ifdef UAUDIO_DEBUG 757 const struct usb_audio_output_terminal *d; 758 759 d = iot[id].d.ot; 760 DPRINTFN(2,"bTerminalId=%d wTerminalType=0x%04x " 761 "bAssocTerminal=%d bSourceId=%d iTerminal=%d\n", 762 d->bTerminalId, UGETW(d->wTerminalType), d->bAssocTerminal, 763 d->bSourceId, d->iTerminal); 764 #endif 765 } 766 767 Static void 768 uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 769 { 770 const struct usb_audio_mixer_unit *d; 771 const struct usb_audio_mixer_unit_1 *d1; 772 int c, chs, ichs, ochs, i, o, bno, p, mo, mc, k; 773 const uByte *bm; 774 struct mixerctl mix; 775 776 d = iot[id].d.mu; 777 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 778 d->bUnitId, d->bNrInPins); 779 780 /* Compute the number of input channels */ 781 ichs = 0; 782 for (i = 0; i < d->bNrInPins; i++) 783 ichs += uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels; 784 785 /* and the number of output channels */ 786 d1 = (const struct usb_audio_mixer_unit_1 *)&d->baSourceId[d->bNrInPins]; 787 ochs = d1->bNrChannels; 788 DPRINTFN(2,"ichs=%d ochs=%d\n", ichs, ochs); 789 790 bm = d1->bmControls; 791 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 792 uaudio_determine_class(&iot[id], &mix); 793 mix.type = MIX_SIGNED_16; 794 mix.ctlunit = AudioNvolume; 795 #define _BIT(bno) ((bm[bno / 8] >> (7 - bno % 8)) & 1) 796 for (p = i = 0; i < d->bNrInPins; i++) { 797 chs = uaudio_get_cluster(d->baSourceId[i], iot).bNrChannels; 798 mc = 0; 799 for (c = 0; c < chs; c++) { 800 mo = 0; 801 for (o = 0; o < ochs; o++) { 802 bno = (p + c) * ochs + o; 803 if (_BIT(bno)) 804 mo++; 805 } 806 if (mo == 1) 807 mc++; 808 } 809 if (mc == chs && chs <= MIX_MAX_CHAN) { 810 k = 0; 811 for (c = 0; c < chs; c++) 812 for (o = 0; o < ochs; o++) { 813 bno = (p + c) * ochs + o; 814 if (_BIT(bno)) 815 mix.wValue[k++] = 816 MAKE(p+c+1, o+1); 817 } 818 snprintf(mix.ctlname, sizeof(mix.ctlname), "mix%d-%s", 819 d->bUnitId, uaudio_id_name(sc, iot, 820 d->baSourceId[i])); 821 mix.nchan = chs; 822 uaudio_mixer_add_ctl(sc, &mix); 823 } else { 824 /* XXX */ 825 } 826 #undef _BIT 827 p += chs; 828 } 829 830 } 831 832 Static void 833 uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 834 { 835 const struct usb_audio_selector_unit *d; 836 struct mixerctl mix; 837 int i, wp; 838 839 d = iot[id].d.su; 840 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 841 d->bUnitId, d->bNrInPins); 842 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 843 mix.wValue[0] = MAKE(0, 0); 844 uaudio_determine_class(&iot[id], &mix); 845 mix.nchan = 1; 846 mix.type = MIX_SELECTOR; 847 mix.ctlunit = ""; 848 mix.minval = 1; 849 mix.maxval = d->bNrInPins; 850 mix.mul = mix.maxval - mix.minval; 851 wp = snprintf(mix.ctlname, MAX_AUDIO_DEV_LEN, "sel%d-", d->bUnitId); 852 for (i = 1; i <= d->bNrInPins; i++) { 853 wp += snprintf(mix.ctlname + wp, MAX_AUDIO_DEV_LEN - wp, 854 "i%d", d->baSourceId[i - 1]); 855 if (wp > MAX_AUDIO_DEV_LEN - 1) 856 break; 857 } 858 uaudio_mixer_add_ctl(sc, &mix); 859 } 860 861 #ifdef UAUDIO_DEBUG 862 Static const char * 863 uaudio_get_terminal_name(int terminal_type) 864 { 865 static char tbuf[100]; 866 867 switch (terminal_type) { 868 /* USB terminal types */ 869 case UAT_UNDEFINED: return "UAT_UNDEFINED"; 870 case UAT_STREAM: return "UAT_STREAM"; 871 case UAT_VENDOR: return "UAT_VENDOR"; 872 /* input terminal types */ 873 case UATI_UNDEFINED: return "UATI_UNDEFINED"; 874 case UATI_MICROPHONE: return "UATI_MICROPHONE"; 875 case UATI_DESKMICROPHONE: return "UATI_DESKMICROPHONE"; 876 case UATI_PERSONALMICROPHONE: return "UATI_PERSONALMICROPHONE"; 877 case UATI_OMNIMICROPHONE: return "UATI_OMNIMICROPHONE"; 878 case UATI_MICROPHONEARRAY: return "UATI_MICROPHONEARRAY"; 879 case UATI_PROCMICROPHONEARR: return "UATI_PROCMICROPHONEARR"; 880 /* output terminal types */ 881 case UATO_UNDEFINED: return "UATO_UNDEFINED"; 882 case UATO_SPEAKER: return "UATO_SPEAKER"; 883 case UATO_HEADPHONES: return "UATO_HEADPHONES"; 884 case UATO_DISPLAYAUDIO: return "UATO_DISPLAYAUDIO"; 885 case UATO_DESKTOPSPEAKER: return "UATO_DESKTOPSPEAKER"; 886 case UATO_ROOMSPEAKER: return "UATO_ROOMSPEAKER"; 887 case UATO_COMMSPEAKER: return "UATO_COMMSPEAKER"; 888 case UATO_SUBWOOFER: return "UATO_SUBWOOFER"; 889 /* bidir terminal types */ 890 case UATB_UNDEFINED: return "UATB_UNDEFINED"; 891 case UATB_HANDSET: return "UATB_HANDSET"; 892 case UATB_HEADSET: return "UATB_HEADSET"; 893 case UATB_SPEAKERPHONE: return "UATB_SPEAKERPHONE"; 894 case UATB_SPEAKERPHONEESUP: return "UATB_SPEAKERPHONEESUP"; 895 case UATB_SPEAKERPHONEECANC: return "UATB_SPEAKERPHONEECANC"; 896 /* telephony terminal types */ 897 case UATT_UNDEFINED: return "UATT_UNDEFINED"; 898 case UATT_PHONELINE: return "UATT_PHONELINE"; 899 case UATT_TELEPHONE: return "UATT_TELEPHONE"; 900 case UATT_DOWNLINEPHONE: return "UATT_DOWNLINEPHONE"; 901 /* external terminal types */ 902 case UATE_UNDEFINED: return "UATE_UNDEFINED"; 903 case UATE_ANALOGCONN: return "UATE_ANALOGCONN"; 904 case UATE_LINECONN: return "UATE_LINECONN"; 905 case UATE_LEGACYCONN: return "UATE_LEGACYCONN"; 906 case UATE_DIGITALAUIFC: return "UATE_DIGITALAUIFC"; 907 case UATE_SPDIF: return "UATE_SPDIF"; 908 case UATE_1394DA: return "UATE_1394DA"; 909 case UATE_1394DV: return "UATE_1394DV"; 910 /* embedded function terminal types */ 911 case UATF_UNDEFINED: return "UATF_UNDEFINED"; 912 case UATF_CALIBNOISE: return "UATF_CALIBNOISE"; 913 case UATF_EQUNOISE: return "UATF_EQUNOISE"; 914 case UATF_CDPLAYER: return "UATF_CDPLAYER"; 915 case UATF_DAT: return "UATF_DAT"; 916 case UATF_DCC: return "UATF_DCC"; 917 case UATF_MINIDISK: return "UATF_MINIDISK"; 918 case UATF_ANALOGTAPE: return "UATF_ANALOGTAPE"; 919 case UATF_PHONOGRAPH: return "UATF_PHONOGRAPH"; 920 case UATF_VCRAUDIO: return "UATF_VCRAUDIO"; 921 case UATF_VIDEODISCAUDIO: return "UATF_VIDEODISCAUDIO"; 922 case UATF_DVDAUDIO: return "UATF_DVDAUDIO"; 923 case UATF_TVTUNERAUDIO: return "UATF_TVTUNERAUDIO"; 924 case UATF_SATELLITE: return "UATF_SATELLITE"; 925 case UATF_CABLETUNER: return "UATF_CABLETUNER"; 926 case UATF_DSS: return "UATF_DSS"; 927 case UATF_RADIORECV: return "UATF_RADIORECV"; 928 case UATF_RADIOXMIT: return "UATF_RADIOXMIT"; 929 case UATF_MULTITRACK: return "UATF_MULTITRACK"; 930 case UATF_SYNTHESIZER: return "UATF_SYNTHESIZER"; 931 default: 932 snprintf(tbuf, sizeof(tbuf), "unknown type (%#.4x)", terminal_type); 933 return tbuf; 934 } 935 } 936 #endif 937 938 Static int 939 uaudio_determine_class(const struct io_terminal *iot, struct mixerctl *mix) 940 { 941 int terminal_type; 942 943 if (iot == NULL || iot->output == NULL) { 944 mix->class = UAC_OUTPUT; 945 return 0; 946 } 947 terminal_type = 0; 948 if (iot->output->size == 1) 949 terminal_type = iot->output->terminals[0]; 950 /* 951 * If the only output terminal is USB, 952 * the class is UAC_RECORD. 953 */ 954 if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) { 955 mix->class = UAC_RECORD; 956 if (iot->inputs_size == 1 957 && iot->inputs[0] != NULL 958 && iot->inputs[0]->size == 1) 959 return iot->inputs[0]->terminals[0]; 960 else 961 return 0; 962 } 963 /* 964 * If the ultimate destination of the unit is just one output 965 * terminal and the unit is connected to the output terminal 966 * directly, the class is UAC_OUTPUT. 967 */ 968 if (terminal_type != 0 && iot->direct) { 969 mix->class = UAC_OUTPUT; 970 return terminal_type; 971 } 972 /* 973 * If the unit is connected to just one input terminal, 974 * the class is UAC_INPUT. 975 */ 976 if (iot->inputs_size == 1 && iot->inputs[0] != NULL 977 && iot->inputs[0]->size == 1) { 978 mix->class = UAC_INPUT; 979 return iot->inputs[0]->terminals[0]; 980 } 981 /* 982 * Otherwise, the class is UAC_OUTPUT. 983 */ 984 mix->class = UAC_OUTPUT; 985 return terminal_type; 986 } 987 988 Static const char * 989 uaudio_feature_name(const struct io_terminal *iot, struct mixerctl *mix) 990 { 991 int terminal_type; 992 993 terminal_type = uaudio_determine_class(iot, mix); 994 if (mix->class == UAC_RECORD && terminal_type == 0) 995 return AudioNmixerout; 996 DPRINTF("terminal_type=%s\n", uaudio_get_terminal_name(terminal_type)); 997 switch (terminal_type) { 998 case UAT_STREAM: 999 return AudioNdac; 1000 1001 case UATI_MICROPHONE: 1002 case UATI_DESKMICROPHONE: 1003 case UATI_PERSONALMICROPHONE: 1004 case UATI_OMNIMICROPHONE: 1005 case UATI_MICROPHONEARRAY: 1006 case UATI_PROCMICROPHONEARR: 1007 return AudioNmicrophone; 1008 1009 case UATO_SPEAKER: 1010 case UATO_DESKTOPSPEAKER: 1011 case UATO_ROOMSPEAKER: 1012 case UATO_COMMSPEAKER: 1013 return AudioNspeaker; 1014 1015 case UATO_HEADPHONES: 1016 return AudioNheadphone; 1017 1018 case UATO_SUBWOOFER: 1019 return AudioNlfe; 1020 1021 /* telephony terminal types */ 1022 case UATT_UNDEFINED: 1023 case UATT_PHONELINE: 1024 case UATT_TELEPHONE: 1025 case UATT_DOWNLINEPHONE: 1026 return "phone"; 1027 1028 case UATE_ANALOGCONN: 1029 case UATE_LINECONN: 1030 case UATE_LEGACYCONN: 1031 return AudioNline; 1032 1033 case UATE_DIGITALAUIFC: 1034 case UATE_SPDIF: 1035 case UATE_1394DA: 1036 case UATE_1394DV: 1037 return AudioNaux; 1038 1039 case UATF_CDPLAYER: 1040 return AudioNcd; 1041 1042 case UATF_SYNTHESIZER: 1043 return AudioNfmsynth; 1044 1045 case UATF_VIDEODISCAUDIO: 1046 case UATF_DVDAUDIO: 1047 case UATF_TVTUNERAUDIO: 1048 return AudioNvideo; 1049 1050 case UAT_UNDEFINED: 1051 case UAT_VENDOR: 1052 case UATI_UNDEFINED: 1053 /* output terminal types */ 1054 case UATO_UNDEFINED: 1055 case UATO_DISPLAYAUDIO: 1056 /* bidir terminal types */ 1057 case UATB_UNDEFINED: 1058 case UATB_HANDSET: 1059 case UATB_HEADSET: 1060 case UATB_SPEAKERPHONE: 1061 case UATB_SPEAKERPHONEESUP: 1062 case UATB_SPEAKERPHONEECANC: 1063 /* external terminal types */ 1064 case UATE_UNDEFINED: 1065 /* embedded function terminal types */ 1066 case UATF_UNDEFINED: 1067 case UATF_CALIBNOISE: 1068 case UATF_EQUNOISE: 1069 case UATF_DAT: 1070 case UATF_DCC: 1071 case UATF_MINIDISK: 1072 case UATF_ANALOGTAPE: 1073 case UATF_PHONOGRAPH: 1074 case UATF_VCRAUDIO: 1075 case UATF_SATELLITE: 1076 case UATF_CABLETUNER: 1077 case UATF_DSS: 1078 case UATF_RADIORECV: 1079 case UATF_RADIOXMIT: 1080 case UATF_MULTITRACK: 1081 case 0xffff: 1082 default: 1083 DPRINTF("'master' for %#.4x\n", terminal_type); 1084 return AudioNmaster; 1085 } 1086 return AudioNmaster; 1087 } 1088 1089 Static void 1090 uaudio_add_feature(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1091 { 1092 const struct usb_audio_feature_unit *d; 1093 const uByte *ctls; 1094 int ctlsize; 1095 int nchan; 1096 u_int fumask, mmask, cmask; 1097 struct mixerctl mix; 1098 int chan, ctl, i, unit; 1099 const char *mixername; 1100 1101 #define GET(i) (ctls[(i)*ctlsize] | \ 1102 (ctlsize > 1 ? ctls[(i)*ctlsize+1] << 8 : 0)) 1103 d = iot[id].d.fu; 1104 ctls = d->bmaControls; 1105 ctlsize = d->bControlSize; 1106 if (ctlsize == 0) { 1107 DPRINTF("ignoring feature %d with controlSize of zero\n", id); 1108 return; 1109 } 1110 nchan = (d->bLength - 7) / ctlsize; 1111 mmask = GET(0); 1112 /* Figure out what we can control */ 1113 for (cmask = 0, chan = 1; chan < nchan; chan++) { 1114 DPRINTFN(9,"chan=%d mask=%x\n", 1115 chan, GET(chan)); 1116 cmask |= GET(chan); 1117 } 1118 1119 DPRINTFN(1,"bUnitId=%d, " 1120 "%d channels, mmask=0x%04x, cmask=0x%04x\n", 1121 d->bUnitId, nchan, mmask, cmask); 1122 1123 if (nchan > MIX_MAX_CHAN) 1124 nchan = MIX_MAX_CHAN; 1125 unit = d->bUnitId; 1126 mix.wIndex = MAKE(unit, sc->sc_ac_iface); 1127 for (ctl = MUTE_CONTROL; ctl < LOUDNESS_CONTROL; ctl++) { 1128 fumask = FU_MASK(ctl); 1129 DPRINTFN(4,"ctl=%d fumask=0x%04x\n", 1130 ctl, fumask); 1131 if (mmask & fumask) { 1132 mix.nchan = 1; 1133 mix.wValue[0] = MAKE(ctl, 0); 1134 } else if (cmask & fumask) { 1135 mix.nchan = nchan - 1; 1136 for (i = 1; i < nchan; i++) { 1137 if (GET(i) & fumask) 1138 mix.wValue[i-1] = MAKE(ctl, i); 1139 else 1140 mix.wValue[i-1] = -1; 1141 } 1142 } else { 1143 continue; 1144 } 1145 #undef GET 1146 mixername = uaudio_feature_name(&iot[id], &mix); 1147 switch (ctl) { 1148 case MUTE_CONTROL: 1149 mix.type = MIX_ON_OFF; 1150 mix.ctlunit = ""; 1151 snprintf(mix.ctlname, sizeof(mix.ctlname), 1152 "%s.%s", mixername, AudioNmute); 1153 break; 1154 case VOLUME_CONTROL: 1155 mix.type = MIX_SIGNED_16; 1156 mix.ctlunit = AudioNvolume; 1157 strlcpy(mix.ctlname, mixername, sizeof(mix.ctlname)); 1158 break; 1159 case BASS_CONTROL: 1160 mix.type = MIX_SIGNED_8; 1161 mix.ctlunit = AudioNbass; 1162 snprintf(mix.ctlname, sizeof(mix.ctlname), 1163 "%s.%s", mixername, AudioNbass); 1164 break; 1165 case MID_CONTROL: 1166 mix.type = MIX_SIGNED_8; 1167 mix.ctlunit = AudioNmid; 1168 snprintf(mix.ctlname, sizeof(mix.ctlname), 1169 "%s.%s", mixername, AudioNmid); 1170 break; 1171 case TREBLE_CONTROL: 1172 mix.type = MIX_SIGNED_8; 1173 mix.ctlunit = AudioNtreble; 1174 snprintf(mix.ctlname, sizeof(mix.ctlname), 1175 "%s.%s", mixername, AudioNtreble); 1176 break; 1177 case GRAPHIC_EQUALIZER_CONTROL: 1178 continue; /* XXX don't add anything */ 1179 break; 1180 case AGC_CONTROL: 1181 mix.type = MIX_ON_OFF; 1182 mix.ctlunit = ""; 1183 snprintf(mix.ctlname, sizeof(mix.ctlname), "%s.%s", 1184 mixername, AudioNagc); 1185 break; 1186 case DELAY_CONTROL: 1187 mix.type = MIX_UNSIGNED_16; 1188 mix.ctlunit = "4 ms"; 1189 snprintf(mix.ctlname, sizeof(mix.ctlname), 1190 "%s.%s", mixername, AudioNdelay); 1191 break; 1192 case BASS_BOOST_CONTROL: 1193 mix.type = MIX_ON_OFF; 1194 mix.ctlunit = ""; 1195 snprintf(mix.ctlname, sizeof(mix.ctlname), 1196 "%s.%s", mixername, AudioNbassboost); 1197 break; 1198 case LOUDNESS_CONTROL: 1199 mix.type = MIX_ON_OFF; 1200 mix.ctlunit = ""; 1201 snprintf(mix.ctlname, sizeof(mix.ctlname), 1202 "%s.%s", mixername, AudioNloudness); 1203 break; 1204 } 1205 uaudio_mixer_add_ctl(sc, &mix); 1206 } 1207 } 1208 1209 Static void 1210 uaudio_add_processing_updown(struct uaudio_softc *sc, 1211 const struct io_terminal *iot, int id) 1212 { 1213 const struct usb_audio_processing_unit *d; 1214 const struct usb_audio_processing_unit_1 *d1; 1215 const struct usb_audio_processing_unit_updown *ud; 1216 struct mixerctl mix; 1217 int i; 1218 1219 d = iot[id].d.pu; 1220 d1 = (const struct usb_audio_processing_unit_1 *) 1221 &d->baSourceId[d->bNrInPins]; 1222 ud = (const struct usb_audio_processing_unit_updown *) 1223 &d1->bmControls[d1->bControlSize]; 1224 DPRINTFN(2,"bUnitId=%d bNrModes=%d\n", 1225 d->bUnitId, ud->bNrModes); 1226 1227 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 1228 DPRINTF("%s", "no mode select\n"); 1229 return; 1230 } 1231 1232 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1233 mix.nchan = 1; 1234 mix.wValue[0] = MAKE(UD_MODE_SELECT_CONTROL, 0); 1235 uaudio_determine_class(&iot[id], &mix); 1236 mix.type = MIX_ON_OFF; /* XXX */ 1237 mix.ctlunit = ""; 1238 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d-mode", d->bUnitId); 1239 1240 for (i = 0; i < ud->bNrModes; i++) { 1241 DPRINTFN(2,"i=%d bm=%#x\n", 1242 i, UGETW(ud->waModes[i])); 1243 /* XXX */ 1244 } 1245 uaudio_mixer_add_ctl(sc, &mix); 1246 } 1247 1248 Static void 1249 uaudio_add_processing(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1250 { 1251 const struct usb_audio_processing_unit *d; 1252 const struct usb_audio_processing_unit_1 *d1; 1253 int ptype; 1254 struct mixerctl mix; 1255 1256 d = iot[id].d.pu; 1257 d1 = (const struct usb_audio_processing_unit_1 *) 1258 &d->baSourceId[d->bNrInPins]; 1259 ptype = UGETW(d->wProcessType); 1260 DPRINTFN(2,"wProcessType=%d bUnitId=%d " 1261 "bNrInPins=%d\n", ptype, d->bUnitId, d->bNrInPins); 1262 1263 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 1264 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1265 mix.nchan = 1; 1266 mix.wValue[0] = MAKE(XX_ENABLE_CONTROL, 0); 1267 uaudio_determine_class(&iot[id], &mix); 1268 mix.type = MIX_ON_OFF; 1269 mix.ctlunit = ""; 1270 snprintf(mix.ctlname, sizeof(mix.ctlname), "pro%d.%d-enable", 1271 d->bUnitId, ptype); 1272 uaudio_mixer_add_ctl(sc, &mix); 1273 } 1274 1275 switch(ptype) { 1276 case UPDOWNMIX_PROCESS: 1277 uaudio_add_processing_updown(sc, iot, id); 1278 break; 1279 case DOLBY_PROLOGIC_PROCESS: 1280 case P3D_STEREO_EXTENDER_PROCESS: 1281 case REVERBATION_PROCESS: 1282 case CHORUS_PROCESS: 1283 case DYN_RANGE_COMP_PROCESS: 1284 default: 1285 #ifdef UAUDIO_DEBUG 1286 aprint_debug( 1287 "uaudio_add_processing: unit %d, type=%d not impl.\n", 1288 d->bUnitId, ptype); 1289 #endif 1290 break; 1291 } 1292 } 1293 1294 Static void 1295 uaudio_add_extension(struct uaudio_softc *sc, const struct io_terminal *iot, int id) 1296 { 1297 const struct usb_audio_extension_unit *d; 1298 const struct usb_audio_extension_unit_1 *d1; 1299 struct mixerctl mix; 1300 1301 d = iot[id].d.eu; 1302 d1 = (const struct usb_audio_extension_unit_1 *) 1303 &d->baSourceId[d->bNrInPins]; 1304 DPRINTFN(2,"bUnitId=%d bNrInPins=%d\n", 1305 d->bUnitId, d->bNrInPins); 1306 1307 if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_NO_XU) 1308 return; 1309 1310 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 1311 mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface); 1312 mix.nchan = 1; 1313 mix.wValue[0] = MAKE(UA_EXT_ENABLE, 0); 1314 uaudio_determine_class(&iot[id], &mix); 1315 mix.type = MIX_ON_OFF; 1316 mix.ctlunit = ""; 1317 snprintf(mix.ctlname, sizeof(mix.ctlname), "ext%d-enable", 1318 d->bUnitId); 1319 uaudio_mixer_add_ctl(sc, &mix); 1320 } 1321 } 1322 1323 Static struct terminal_list* 1324 uaudio_merge_terminal_list(const struct io_terminal *iot) 1325 { 1326 struct terminal_list *tml; 1327 uint16_t *ptm; 1328 int i, len; 1329 1330 len = 0; 1331 if (iot->inputs == NULL) 1332 return NULL; 1333 for (i = 0; i < iot->inputs_size; i++) { 1334 if (iot->inputs[i] != NULL) 1335 len += iot->inputs[i]->size; 1336 } 1337 tml = malloc(TERMINAL_LIST_SIZE(len), M_TEMP, M_NOWAIT); 1338 if (tml == NULL) { 1339 aprint_error("uaudio_merge_terminal_list: no memory\n"); 1340 return NULL; 1341 } 1342 tml->size = 0; 1343 ptm = tml->terminals; 1344 for (i = 0; i < iot->inputs_size; i++) { 1345 if (iot->inputs[i] == NULL) 1346 continue; 1347 if (iot->inputs[i]->size > len) 1348 break; 1349 memcpy(ptm, iot->inputs[i]->terminals, 1350 iot->inputs[i]->size * sizeof(uint16_t)); 1351 tml->size += iot->inputs[i]->size; 1352 ptm += iot->inputs[i]->size; 1353 len -= iot->inputs[i]->size; 1354 } 1355 return tml; 1356 } 1357 1358 Static struct terminal_list * 1359 uaudio_io_terminaltype(int outtype, struct io_terminal *iot, int id) 1360 { 1361 struct terminal_list *tml; 1362 struct io_terminal *it; 1363 int src_id, i; 1364 1365 it = &iot[id]; 1366 if (it->output != NULL) { 1367 /* already has outtype? */ 1368 for (i = 0; i < it->output->size; i++) 1369 if (it->output->terminals[i] == outtype) 1370 return uaudio_merge_terminal_list(it); 1371 tml = malloc(TERMINAL_LIST_SIZE(it->output->size + 1), 1372 M_TEMP, M_NOWAIT); 1373 if (tml == NULL) { 1374 aprint_error("uaudio_io_terminaltype: no memory\n"); 1375 return uaudio_merge_terminal_list(it); 1376 } 1377 memcpy(tml, it->output, TERMINAL_LIST_SIZE(it->output->size)); 1378 tml->terminals[it->output->size] = outtype; 1379 tml->size++; 1380 free(it->output, M_TEMP); 1381 it->output = tml; 1382 if (it->inputs != NULL) { 1383 for (i = 0; i < it->inputs_size; i++) 1384 if (it->inputs[i] != NULL) 1385 free(it->inputs[i], M_TEMP); 1386 free(it->inputs, M_TEMP); 1387 } 1388 it->inputs_size = 0; 1389 it->inputs = NULL; 1390 } else { /* end `iot[id] != NULL' */ 1391 it->inputs_size = 0; 1392 it->inputs = NULL; 1393 it->output = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT); 1394 if (it->output == NULL) { 1395 aprint_error("uaudio_io_terminaltype: no memory\n"); 1396 return NULL; 1397 } 1398 it->output->terminals[0] = outtype; 1399 it->output->size = 1; 1400 it->direct = FALSE; 1401 } 1402 1403 switch (it->d.desc->bDescriptorSubtype) { 1404 case UDESCSUB_AC_INPUT: 1405 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1406 if (it->inputs == NULL) { 1407 aprint_error("uaudio_io_terminaltype: no memory\n"); 1408 return NULL; 1409 } 1410 tml = malloc(TERMINAL_LIST_SIZE(1), M_TEMP, M_NOWAIT); 1411 if (tml == NULL) { 1412 aprint_error("uaudio_io_terminaltype: no memory\n"); 1413 free(it->inputs, M_TEMP); 1414 it->inputs = NULL; 1415 return NULL; 1416 } 1417 it->inputs[0] = tml; 1418 tml->terminals[0] = UGETW(it->d.it->wTerminalType); 1419 tml->size = 1; 1420 it->inputs_size = 1; 1421 return uaudio_merge_terminal_list(it); 1422 case UDESCSUB_AC_FEATURE: 1423 src_id = it->d.fu->bSourceId; 1424 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1425 if (it->inputs == NULL) { 1426 aprint_error("uaudio_io_terminaltype: no memory\n"); 1427 return uaudio_io_terminaltype(outtype, iot, src_id); 1428 } 1429 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id); 1430 it->inputs_size = 1; 1431 return uaudio_merge_terminal_list(it); 1432 case UDESCSUB_AC_OUTPUT: 1433 it->inputs = malloc(sizeof(struct terminal_list *), M_TEMP, M_NOWAIT); 1434 if (it->inputs == NULL) { 1435 aprint_error("uaudio_io_terminaltype: no memory\n"); 1436 return NULL; 1437 } 1438 src_id = it->d.ot->bSourceId; 1439 it->inputs[0] = uaudio_io_terminaltype(outtype, iot, src_id); 1440 it->inputs_size = 1; 1441 iot[src_id].direct = TRUE; 1442 return NULL; 1443 case UDESCSUB_AC_MIXER: 1444 it->inputs_size = 0; 1445 it->inputs = malloc(sizeof(struct terminal_list *) 1446 * it->d.mu->bNrInPins, M_TEMP, M_NOWAIT); 1447 if (it->inputs == NULL) { 1448 aprint_error("uaudio_io_terminaltype: no memory\n"); 1449 return NULL; 1450 } 1451 for (i = 0; i < it->d.mu->bNrInPins; i++) { 1452 src_id = it->d.mu->baSourceId[i]; 1453 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1454 src_id); 1455 it->inputs_size++; 1456 } 1457 return uaudio_merge_terminal_list(it); 1458 case UDESCSUB_AC_SELECTOR: 1459 it->inputs_size = 0; 1460 it->inputs = malloc(sizeof(struct terminal_list *) 1461 * it->d.su->bNrInPins, M_TEMP, M_NOWAIT); 1462 if (it->inputs == NULL) { 1463 aprint_error("uaudio_io_terminaltype: no memory\n"); 1464 return NULL; 1465 } 1466 for (i = 0; i < it->d.su->bNrInPins; i++) { 1467 src_id = it->d.su->baSourceId[i]; 1468 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1469 src_id); 1470 it->inputs_size++; 1471 } 1472 return uaudio_merge_terminal_list(it); 1473 case UDESCSUB_AC_PROCESSING: 1474 it->inputs_size = 0; 1475 it->inputs = malloc(sizeof(struct terminal_list *) 1476 * it->d.pu->bNrInPins, M_TEMP, M_NOWAIT); 1477 if (it->inputs == NULL) { 1478 aprint_error("uaudio_io_terminaltype: no memory\n"); 1479 return NULL; 1480 } 1481 for (i = 0; i < it->d.pu->bNrInPins; i++) { 1482 src_id = it->d.pu->baSourceId[i]; 1483 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1484 src_id); 1485 it->inputs_size++; 1486 } 1487 return uaudio_merge_terminal_list(it); 1488 case UDESCSUB_AC_EXTENSION: 1489 it->inputs_size = 0; 1490 it->inputs = malloc(sizeof(struct terminal_list *) 1491 * it->d.eu->bNrInPins, M_TEMP, M_NOWAIT); 1492 if (it->inputs == NULL) { 1493 aprint_error("uaudio_io_terminaltype: no memory\n"); 1494 return NULL; 1495 } 1496 for (i = 0; i < it->d.eu->bNrInPins; i++) { 1497 src_id = it->d.eu->baSourceId[i]; 1498 it->inputs[i] = uaudio_io_terminaltype(outtype, iot, 1499 src_id); 1500 it->inputs_size++; 1501 } 1502 return uaudio_merge_terminal_list(it); 1503 case UDESCSUB_AC_HEADER: 1504 default: 1505 return NULL; 1506 } 1507 } 1508 1509 Static usbd_status 1510 uaudio_identify(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc) 1511 { 1512 usbd_status err; 1513 1514 err = uaudio_identify_ac(sc, cdesc); 1515 if (err) 1516 return err; 1517 return uaudio_identify_as(sc, cdesc); 1518 } 1519 1520 Static void 1521 uaudio_add_alt(struct uaudio_softc *sc, const struct as_info *ai) 1522 { 1523 size_t len; 1524 struct as_info *nai; 1525 1526 len = sizeof(*ai) * (sc->sc_nalts + 1); 1527 nai = kmem_alloc(len, KM_SLEEP); 1528 /* Copy old data, if there was any */ 1529 if (sc->sc_nalts != 0) { 1530 memcpy(nai, sc->sc_alts, sizeof(*ai) * (sc->sc_nalts)); 1531 kmem_free(sc->sc_alts, sizeof(*ai) * sc->sc_nalts); 1532 } 1533 sc->sc_alts = nai; 1534 DPRINTFN(2,"adding alt=%d, enc=%d\n", 1535 ai->alt, ai->encoding); 1536 sc->sc_alts[sc->sc_nalts++] = *ai; 1537 } 1538 1539 Static usbd_status 1540 uaudio_process_as(struct uaudio_softc *sc, const char *tbuf, int *offsp, 1541 int size, const usb_interface_descriptor_t *id) 1542 { 1543 const struct usb_audio_streaming_interface_descriptor *asid; 1544 const struct usb_audio_streaming_type1_descriptor *asf1d; 1545 const usb_endpoint_descriptor_audio_t *ed; 1546 const usb_endpoint_descriptor_audio_t *epdesc1; 1547 const struct usb_audio_streaming_endpoint_descriptor *sed; 1548 int format, chan __unused, prec, enc; 1549 int dir, type, sync, epcount; 1550 struct as_info ai; 1551 const char *format_str __unused; 1552 const uaudio_cs_descriptor_t *desc; 1553 1554 DPRINTF("offset = %d < %d\n", *offsp, size); 1555 1556 epcount = 0; 1557 asid = NULL; 1558 asf1d = NULL; 1559 ed = NULL; 1560 epdesc1 = NULL; 1561 sed = NULL; 1562 1563 while (*offsp < size) { 1564 desc = (const uaudio_cs_descriptor_t *)(tbuf + *offsp); 1565 if (*offsp + desc->bLength > size) 1566 return USBD_INVAL; 1567 1568 switch (desc->bDescriptorType) { 1569 case UDESC_CS_INTERFACE: 1570 switch (desc->bDescriptorSubtype) { 1571 case AS_GENERAL: 1572 if (asid != NULL) 1573 goto ignore; 1574 asid = (const struct usb_audio_streaming_interface_descriptor *) desc; 1575 DPRINTF("asid: bTerminalLink=%d wFormatTag=%d bLength=%d\n", 1576 asid->bTerminalLink, UGETW(asid->wFormatTag), asid->bLength); 1577 break; 1578 case FORMAT_TYPE: 1579 if (asf1d != NULL) 1580 goto ignore; 1581 asf1d = (const struct usb_audio_streaming_type1_descriptor *) desc; 1582 DPRINTF("asf1d: bDescriptorType=%d bDescriptorSubtype=%d\n", 1583 asf1d->bDescriptorType, asf1d->bDescriptorSubtype); 1584 if (asf1d->bFormatType != FORMAT_TYPE_I) { 1585 aprint_normal_dev(sc->sc_dev, 1586 "ignored setting with type %d format\n", asf1d->bFormatType); 1587 return USBD_NORMAL_COMPLETION; 1588 } 1589 break; 1590 default: 1591 goto ignore; 1592 } 1593 break; 1594 case UDESC_ENDPOINT: 1595 epcount++; 1596 if (epcount > id->bNumEndpoints) 1597 goto ignore; 1598 switch (epcount) { 1599 case 1: 1600 ed = (const usb_endpoint_descriptor_audio_t *) desc; 1601 DPRINTF("endpoint[0] bLength=%d bDescriptorType=%d " 1602 "bEndpointAddress=%d bmAttributes=%#x wMaxPacketSize=%d " 1603 "bInterval=%d bRefresh=%d bSynchAddress=%d\n", 1604 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress, 1605 ed->bmAttributes, UGETW(ed->wMaxPacketSize), 1606 ed->bInterval, ed->bRefresh, ed->bSynchAddress); 1607 if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) 1608 return USBD_INVAL; 1609 break; 1610 case 2: 1611 epdesc1 = (const usb_endpoint_descriptor_audio_t *) desc; 1612 DPRINTF("endpoint[1] bLength=%d " 1613 "bDescriptorType=%d bEndpointAddress=%d " 1614 "bmAttributes=%#x wMaxPacketSize=%d bInterval=%d " 1615 "bRefresh=%d bSynchAddress=%d\n", 1616 epdesc1->bLength, epdesc1->bDescriptorType, 1617 epdesc1->bEndpointAddress, epdesc1->bmAttributes, 1618 UGETW(epdesc1->wMaxPacketSize), epdesc1->bInterval, 1619 epdesc1->bRefresh, epdesc1->bSynchAddress); 1620 if (epdesc1->bSynchAddress != 0) { 1621 aprint_error_dev(sc->sc_dev, 1622 "invalid endpoint: bSynchAddress=0\n"); 1623 return USBD_INVAL; 1624 } 1625 if (UE_GET_XFERTYPE(epdesc1->bmAttributes) != UE_ISOCHRONOUS) { 1626 aprint_error_dev(sc->sc_dev, 1627 "invalid endpoint: bmAttributes=%#x\n", 1628 epdesc1->bmAttributes); 1629 return USBD_INVAL; 1630 } 1631 if (epdesc1->bEndpointAddress != ed->bSynchAddress) { 1632 aprint_error_dev(sc->sc_dev, 1633 "invalid endpoint addresses: " 1634 "ep[0]->bSynchAddress=%#x " 1635 "ep[1]->bEndpointAddress=%#x\n", 1636 ed->bSynchAddress, epdesc1->bEndpointAddress); 1637 return USBD_INVAL; 1638 } 1639 /* UE_GET_ADDR(epdesc1->bEndpointAddress), and epdesc1->bRefresh */ 1640 break; 1641 default: 1642 goto ignore; 1643 } 1644 break; 1645 case UDESC_CS_ENDPOINT: 1646 switch (desc->bDescriptorSubtype) { 1647 case AS_GENERAL: 1648 if (sed != NULL) 1649 goto ignore; 1650 sed = (const struct usb_audio_streaming_endpoint_descriptor *) desc; 1651 DPRINTF(" streadming_endpoint: offset=%d bLength=%d\n", *offsp, sed->bLength); 1652 break; 1653 default: 1654 goto ignore; 1655 } 1656 break; 1657 case UDESC_INTERFACE: 1658 case UDESC_DEVICE: 1659 goto leave; 1660 default: 1661 ignore: 1662 aprint_normal_dev(sc->sc_dev, 1663 "ignored descriptor type %d subtype %d\n", 1664 desc->bDescriptorType, desc->bDescriptorSubtype); 1665 break; 1666 } 1667 1668 *offsp += desc->bLength; 1669 } 1670 leave: 1671 1672 if (asid == NULL) { 1673 DPRINTF("%s", "No streaming interface descriptor found\n"); 1674 return USBD_INVAL; 1675 } 1676 if (asf1d == NULL) { 1677 DPRINTF("%s", "No format type descriptor found\n"); 1678 return USBD_INVAL; 1679 } 1680 if (ed == NULL) { 1681 DPRINTF("%s", "No endpoint descriptor found\n"); 1682 return USBD_INVAL; 1683 } 1684 if (sed == NULL) { 1685 DPRINTF("%s", "No streaming endpoint descriptor found\n"); 1686 return USBD_INVAL; 1687 } 1688 1689 dir = UE_GET_DIR(ed->bEndpointAddress); 1690 type = UE_GET_ISO_TYPE(ed->bmAttributes); 1691 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_AU_INP_ASYNC) && 1692 dir == UE_DIR_IN && type == UE_ISO_ADAPT) 1693 type = UE_ISO_ASYNC; 1694 /* We can't handle endpoints that need a sync pipe yet. */ 1695 sync = FALSE; 1696 if (dir == UE_DIR_IN && type == UE_ISO_ADAPT) { 1697 sync = TRUE; 1698 #ifndef UAUDIO_MULTIPLE_ENDPOINTS 1699 aprint_normal_dev(sc->sc_dev, 1700 "ignored input endpoint of type adaptive\n"); 1701 return USBD_NORMAL_COMPLETION; 1702 #endif 1703 } 1704 if (dir != UE_DIR_IN && type == UE_ISO_ASYNC) { 1705 sync = TRUE; 1706 #ifndef UAUDIO_MULTIPLE_ENDPOINTS 1707 aprint_normal_dev(sc->sc_dev, 1708 "ignored output endpoint of type async\n"); 1709 return USBD_NORMAL_COMPLETION; 1710 #endif 1711 } 1712 #ifdef UAUDIO_MULTIPLE_ENDPOINTS 1713 if (sync && id->bNumEndpoints <= 1) { 1714 aprint_error_dev(sc->sc_dev, 1715 "a sync-pipe endpoint but no other endpoint\n"); 1716 return USBD_INVAL; 1717 } 1718 #endif 1719 if (!sync && id->bNumEndpoints > 1) { 1720 aprint_error_dev(sc->sc_dev, 1721 "non sync-pipe endpoint but multiple endpoints\n"); 1722 return USBD_INVAL; 1723 } 1724 1725 format = UGETW(asid->wFormatTag); 1726 chan = asf1d->bNrChannels; 1727 prec = asf1d->bBitResolution; 1728 if (prec != 8 && prec != 16 && prec != 24) { 1729 aprint_normal_dev(sc->sc_dev, 1730 "ignored setting with precision %d\n", prec); 1731 return USBD_NORMAL_COMPLETION; 1732 } 1733 switch (format) { 1734 case UA_FMT_PCM: 1735 if (prec == 8) { 1736 sc->sc_altflags |= HAS_8; 1737 } else if (prec == 16) { 1738 sc->sc_altflags |= HAS_16; 1739 } else if (prec == 24) { 1740 sc->sc_altflags |= HAS_24; 1741 } 1742 enc = AUDIO_ENCODING_SLINEAR_LE; 1743 format_str = "pcm"; 1744 break; 1745 case UA_FMT_PCM8: 1746 enc = AUDIO_ENCODING_ULINEAR_LE; 1747 sc->sc_altflags |= HAS_8U; 1748 format_str = "pcm8"; 1749 break; 1750 case UA_FMT_ALAW: 1751 enc = AUDIO_ENCODING_ALAW; 1752 sc->sc_altflags |= HAS_ALAW; 1753 format_str = "alaw"; 1754 break; 1755 case UA_FMT_MULAW: 1756 enc = AUDIO_ENCODING_ULAW; 1757 sc->sc_altflags |= HAS_MULAW; 1758 format_str = "mulaw"; 1759 break; 1760 case UA_FMT_IEEE_FLOAT: 1761 default: 1762 aprint_normal_dev(sc->sc_dev, 1763 "ignored setting with format %d\n", format); 1764 return USBD_NORMAL_COMPLETION; 1765 } 1766 #ifdef UAUDIO_DEBUG 1767 aprint_debug_dev(sc->sc_dev, "%s: %dch, %d/%dbit, %s,", 1768 dir == UE_DIR_IN ? "recording" : "playback", 1769 chan, prec, asf1d->bSubFrameSize * 8, format_str); 1770 if (asf1d->bSamFreqType == UA_SAMP_CONTNUOUS) { 1771 aprint_debug(" %d-%dHz\n", UA_SAMP_LO(asf1d), 1772 UA_SAMP_HI(asf1d)); 1773 } else { 1774 int r; 1775 aprint_debug(" %d", UA_GETSAMP(asf1d, 0)); 1776 for (r = 1; r < asf1d->bSamFreqType; r++) 1777 aprint_debug(",%d", UA_GETSAMP(asf1d, r)); 1778 aprint_debug("Hz\n"); 1779 } 1780 #endif 1781 ai.alt = id->bAlternateSetting; 1782 ai.encoding = enc; 1783 ai.attributes = sed->bmAttributes; 1784 ai.idesc = id; 1785 ai.edesc = ed; 1786 ai.edesc1 = epdesc1; 1787 ai.asf1desc = asf1d; 1788 ai.sc_busy = 0; 1789 ai.aformat = NULL; 1790 ai.ifaceh = NULL; 1791 uaudio_add_alt(sc, &ai); 1792 #ifdef UAUDIO_DEBUG 1793 if (ai.attributes & UA_SED_FREQ_CONTROL) 1794 DPRINTFN(1, "%s", "FREQ_CONTROL\n"); 1795 if (ai.attributes & UA_SED_PITCH_CONTROL) 1796 DPRINTFN(1, "%s", "PITCH_CONTROL\n"); 1797 #endif 1798 sc->sc_mode |= (dir == UE_DIR_OUT) ? AUMODE_PLAY : AUMODE_RECORD; 1799 1800 return USBD_NORMAL_COMPLETION; 1801 } 1802 1803 Static usbd_status 1804 uaudio_identify_as(struct uaudio_softc *sc, 1805 const usb_config_descriptor_t *cdesc) 1806 { 1807 const usb_interface_descriptor_t *id; 1808 const char *tbuf; 1809 struct audio_format *auf; 1810 const struct usb_audio_streaming_type1_descriptor *t1desc; 1811 int size, offs; 1812 int i, j; 1813 1814 size = UGETW(cdesc->wTotalLength); 1815 tbuf = (const char *)cdesc; 1816 1817 /* Locate the AudioStreaming interface descriptor. */ 1818 offs = 0; 1819 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1820 if (id == NULL) 1821 return USBD_INVAL; 1822 1823 /* Loop through all the alternate settings. */ 1824 while (offs <= size) { 1825 DPRINTFN(2, "interface=%d offset=%d\n", 1826 id->bInterfaceNumber, offs); 1827 switch (id->bNumEndpoints) { 1828 case 0: 1829 DPRINTFN(2, "AS null alt=%d\n", 1830 id->bAlternateSetting); 1831 sc->sc_nullalt = id->bAlternateSetting; 1832 break; 1833 case 1: 1834 #ifdef UAUDIO_MULTIPLE_ENDPOINTS 1835 case 2: 1836 #endif 1837 uaudio_process_as(sc, tbuf, &offs, size, id); 1838 break; 1839 default: 1840 aprint_error_dev(sc->sc_dev, 1841 "ignored audio interface with %d endpoints\n", 1842 id->bNumEndpoints); 1843 break; 1844 } 1845 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOSTREAM); 1846 if (id == NULL) 1847 break; 1848 } 1849 if (offs > size) 1850 return USBD_INVAL; 1851 DPRINTF("%d alts available\n", sc->sc_nalts); 1852 1853 if (sc->sc_mode == 0) { 1854 aprint_error_dev(sc->sc_dev, "no usable endpoint found\n"); 1855 return USBD_INVAL; 1856 } 1857 1858 /* build audio_format array */ 1859 sc->sc_formats = kmem_zalloc(sizeof(struct audio_format) * sc->sc_nalts, 1860 KM_SLEEP); 1861 sc->sc_nformats = sc->sc_nalts; 1862 for (i = 0; i < sc->sc_nalts; i++) { 1863 auf = &sc->sc_formats[i]; 1864 t1desc = sc->sc_alts[i].asf1desc; 1865 if (UE_GET_DIR(sc->sc_alts[i].edesc->bEndpointAddress) == UE_DIR_OUT) 1866 auf->mode = AUMODE_PLAY; 1867 else 1868 auf->mode = AUMODE_RECORD; 1869 auf->encoding = sc->sc_alts[i].encoding; 1870 auf->validbits = t1desc->bBitResolution; 1871 auf->precision = t1desc->bSubFrameSize * 8; 1872 auf->channels = t1desc->bNrChannels; 1873 auf->channel_mask = sc->sc_channel_config; 1874 auf->frequency_type = t1desc->bSamFreqType; 1875 if (t1desc->bSamFreqType == UA_SAMP_CONTNUOUS) { 1876 auf->frequency[0] = UA_SAMP_LO(t1desc); 1877 auf->frequency[1] = UA_SAMP_HI(t1desc); 1878 } else { 1879 for (j = 0; j < t1desc->bSamFreqType; j++) { 1880 if (j >= AUFMT_MAX_FREQUENCIES) { 1881 aprint_error("%s: please increase " 1882 "AUFMT_MAX_FREQUENCIES to %d\n", 1883 __func__, t1desc->bSamFreqType); 1884 auf->frequency_type = 1885 AUFMT_MAX_FREQUENCIES; 1886 break; 1887 } 1888 auf->frequency[j] = UA_GETSAMP(t1desc, j); 1889 } 1890 } 1891 sc->sc_alts[i].aformat = auf; 1892 } 1893 1894 return USBD_NORMAL_COMPLETION; 1895 } 1896 1897 #ifdef UAUDIO_DEBUG 1898 Static void 1899 uaudio_dump_tml(struct terminal_list *tml) { 1900 if (tml == NULL) { 1901 printf("NULL"); 1902 } else { 1903 int i; 1904 for (i = 0; i < tml->size; i++) 1905 printf("%s ", uaudio_get_terminal_name 1906 (tml->terminals[i])); 1907 } 1908 printf("\n"); 1909 } 1910 #endif 1911 1912 Static usbd_status 1913 uaudio_identify_ac(struct uaudio_softc *sc, const usb_config_descriptor_t *cdesc) 1914 { 1915 struct io_terminal* iot; 1916 const usb_interface_descriptor_t *id; 1917 const struct usb_audio_control_descriptor *acdp; 1918 const uaudio_cs_descriptor_t *dp; 1919 const struct usb_audio_output_terminal *pot; 1920 struct terminal_list *tml; 1921 const char *tbuf, *ibuf, *ibufend; 1922 int size, offs, ndps, i, j; 1923 1924 size = UGETW(cdesc->wTotalLength); 1925 tbuf = (const char *)cdesc; 1926 1927 /* Locate the AudioControl interface descriptor. */ 1928 offs = 0; 1929 id = uaudio_find_iface(tbuf, size, &offs, UISUBCLASS_AUDIOCONTROL); 1930 if (id == NULL) 1931 return USBD_INVAL; 1932 if (offs + sizeof(*acdp) > size) 1933 return USBD_INVAL; 1934 sc->sc_ac_iface = id->bInterfaceNumber; 1935 DPRINTFN(2,"AC interface is %d\n", sc->sc_ac_iface); 1936 1937 /* A class-specific AC interface header should follow. */ 1938 ibuf = tbuf + offs; 1939 ibufend = tbuf + size; 1940 acdp = (const struct usb_audio_control_descriptor *)ibuf; 1941 if (acdp->bDescriptorType != UDESC_CS_INTERFACE || 1942 acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER) 1943 return USBD_INVAL; 1944 1945 if (!(usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_BAD_ADC) && 1946 UGETW(acdp->bcdADC) != UAUDIO_VERSION) 1947 return USBD_INVAL; 1948 1949 sc->sc_audio_rev = UGETW(acdp->bcdADC); 1950 DPRINTFN(2, "found AC header, vers=%03x\n", sc->sc_audio_rev); 1951 1952 sc->sc_nullalt = -1; 1953 1954 /* Scan through all the AC specific descriptors */ 1955 dp = (const uaudio_cs_descriptor_t *)ibuf; 1956 ndps = 0; 1957 iot = malloc(sizeof(struct io_terminal) * 256, M_TEMP, M_NOWAIT | M_ZERO); 1958 if (iot == NULL) { 1959 aprint_error("%s: no memory\n", __func__); 1960 return USBD_NOMEM; 1961 } 1962 for (;;) { 1963 ibuf += dp->bLength; 1964 if (ibuf >= ibufend) 1965 break; 1966 dp = (const uaudio_cs_descriptor_t *)ibuf; 1967 if (ibuf + dp->bLength > ibufend) { 1968 free(iot, M_TEMP); 1969 return USBD_INVAL; 1970 } 1971 if (dp->bDescriptorType != UDESC_CS_INTERFACE) 1972 break; 1973 i = ((const struct usb_audio_input_terminal *)dp)->bTerminalId; 1974 iot[i].d.desc = dp; 1975 if (i > ndps) 1976 ndps = i; 1977 } 1978 ndps++; 1979 1980 /* construct io_terminal */ 1981 for (i = 0; i < ndps; i++) { 1982 dp = iot[i].d.desc; 1983 if (dp == NULL) 1984 continue; 1985 if (dp->bDescriptorSubtype != UDESCSUB_AC_OUTPUT) 1986 continue; 1987 pot = iot[i].d.ot; 1988 tml = uaudio_io_terminaltype(UGETW(pot->wTerminalType), iot, i); 1989 if (tml != NULL) 1990 free(tml, M_TEMP); 1991 } 1992 1993 #ifdef UAUDIO_DEBUG 1994 for (i = 0; i < 256; i++) { 1995 struct usb_audio_cluster cluster; 1996 1997 if (iot[i].d.desc == NULL) 1998 continue; 1999 printf("id %d:\t", i); 2000 switch (iot[i].d.desc->bDescriptorSubtype) { 2001 case UDESCSUB_AC_INPUT: 2002 printf("AC_INPUT type=%s\n", uaudio_get_terminal_name 2003 (UGETW(iot[i].d.it->wTerminalType))); 2004 printf("\t"); 2005 cluster = uaudio_get_cluster(i, iot); 2006 uaudio_dump_cluster(&cluster); 2007 printf("\n"); 2008 break; 2009 case UDESCSUB_AC_OUTPUT: 2010 printf("AC_OUTPUT type=%s ", uaudio_get_terminal_name 2011 (UGETW(iot[i].d.ot->wTerminalType))); 2012 printf("src=%d\n", iot[i].d.ot->bSourceId); 2013 break; 2014 case UDESCSUB_AC_MIXER: 2015 printf("AC_MIXER src="); 2016 for (j = 0; j < iot[i].d.mu->bNrInPins; j++) 2017 printf("%d ", iot[i].d.mu->baSourceId[j]); 2018 printf("\n\t"); 2019 cluster = uaudio_get_cluster(i, iot); 2020 uaudio_dump_cluster(&cluster); 2021 printf("\n"); 2022 break; 2023 case UDESCSUB_AC_SELECTOR: 2024 printf("AC_SELECTOR src="); 2025 for (j = 0; j < iot[i].d.su->bNrInPins; j++) 2026 printf("%d ", iot[i].d.su->baSourceId[j]); 2027 printf("\n"); 2028 break; 2029 case UDESCSUB_AC_FEATURE: 2030 printf("AC_FEATURE src=%d\n", iot[i].d.fu->bSourceId); 2031 break; 2032 case UDESCSUB_AC_PROCESSING: 2033 printf("AC_PROCESSING src="); 2034 for (j = 0; j < iot[i].d.pu->bNrInPins; j++) 2035 printf("%d ", iot[i].d.pu->baSourceId[j]); 2036 printf("\n\t"); 2037 cluster = uaudio_get_cluster(i, iot); 2038 uaudio_dump_cluster(&cluster); 2039 printf("\n"); 2040 break; 2041 case UDESCSUB_AC_EXTENSION: 2042 printf("AC_EXTENSION src="); 2043 for (j = 0; j < iot[i].d.eu->bNrInPins; j++) 2044 printf("%d ", iot[i].d.eu->baSourceId[j]); 2045 printf("\n\t"); 2046 cluster = uaudio_get_cluster(i, iot); 2047 uaudio_dump_cluster(&cluster); 2048 printf("\n"); 2049 break; 2050 default: 2051 printf("unknown audio control (subtype=%d)\n", 2052 iot[i].d.desc->bDescriptorSubtype); 2053 } 2054 for (j = 0; j < iot[i].inputs_size; j++) { 2055 printf("\tinput%d: ", j); 2056 uaudio_dump_tml(iot[i].inputs[j]); 2057 } 2058 printf("\toutput: "); 2059 uaudio_dump_tml(iot[i].output); 2060 } 2061 #endif 2062 2063 for (i = 0; i < ndps; i++) { 2064 dp = iot[i].d.desc; 2065 if (dp == NULL) 2066 continue; 2067 DPRINTF("id=%d subtype=%d\n", i, dp->bDescriptorSubtype); 2068 switch (dp->bDescriptorSubtype) { 2069 case UDESCSUB_AC_HEADER: 2070 aprint_error("uaudio_identify_ac: unexpected AC header\n"); 2071 break; 2072 case UDESCSUB_AC_INPUT: 2073 uaudio_add_input(sc, iot, i); 2074 break; 2075 case UDESCSUB_AC_OUTPUT: 2076 uaudio_add_output(sc, iot, i); 2077 break; 2078 case UDESCSUB_AC_MIXER: 2079 uaudio_add_mixer(sc, iot, i); 2080 break; 2081 case UDESCSUB_AC_SELECTOR: 2082 uaudio_add_selector(sc, iot, i); 2083 break; 2084 case UDESCSUB_AC_FEATURE: 2085 uaudio_add_feature(sc, iot, i); 2086 break; 2087 case UDESCSUB_AC_PROCESSING: 2088 uaudio_add_processing(sc, iot, i); 2089 break; 2090 case UDESCSUB_AC_EXTENSION: 2091 uaudio_add_extension(sc, iot, i); 2092 break; 2093 default: 2094 aprint_error( 2095 "uaudio_identify_ac: bad AC desc subtype=0x%02x\n", 2096 dp->bDescriptorSubtype); 2097 break; 2098 } 2099 } 2100 2101 /* delete io_terminal */ 2102 for (i = 0; i < 256; i++) { 2103 if (iot[i].d.desc == NULL) 2104 continue; 2105 if (iot[i].inputs != NULL) { 2106 for (j = 0; j < iot[i].inputs_size; j++) { 2107 if (iot[i].inputs[j] != NULL) 2108 free(iot[i].inputs[j], M_TEMP); 2109 } 2110 free(iot[i].inputs, M_TEMP); 2111 } 2112 if (iot[i].output != NULL) 2113 free(iot[i].output, M_TEMP); 2114 iot[i].d.desc = NULL; 2115 } 2116 free(iot, M_TEMP); 2117 2118 return USBD_NORMAL_COMPLETION; 2119 } 2120 2121 Static int 2122 uaudio_query_devinfo(void *addr, mixer_devinfo_t *mi) 2123 { 2124 struct uaudio_softc *sc; 2125 struct mixerctl *mc; 2126 int n, nctls, i; 2127 2128 DPRINTFN(7, "index=%d\n", mi->index); 2129 sc = addr; 2130 if (sc->sc_dying) 2131 return EIO; 2132 2133 n = mi->index; 2134 nctls = sc->sc_nctls; 2135 2136 switch (n) { 2137 case UAC_OUTPUT: 2138 mi->type = AUDIO_MIXER_CLASS; 2139 mi->mixer_class = UAC_OUTPUT; 2140 mi->next = mi->prev = AUDIO_MIXER_LAST; 2141 strlcpy(mi->label.name, AudioCoutputs, sizeof(mi->label.name)); 2142 return 0; 2143 case UAC_INPUT: 2144 mi->type = AUDIO_MIXER_CLASS; 2145 mi->mixer_class = UAC_INPUT; 2146 mi->next = mi->prev = AUDIO_MIXER_LAST; 2147 strlcpy(mi->label.name, AudioCinputs, sizeof(mi->label.name)); 2148 return 0; 2149 case UAC_EQUAL: 2150 mi->type = AUDIO_MIXER_CLASS; 2151 mi->mixer_class = UAC_EQUAL; 2152 mi->next = mi->prev = AUDIO_MIXER_LAST; 2153 strlcpy(mi->label.name, AudioCequalization, 2154 sizeof(mi->label.name)); 2155 return 0; 2156 case UAC_RECORD: 2157 mi->type = AUDIO_MIXER_CLASS; 2158 mi->mixer_class = UAC_RECORD; 2159 mi->next = mi->prev = AUDIO_MIXER_LAST; 2160 strlcpy(mi->label.name, AudioCrecord, sizeof(mi->label.name)); 2161 return 0; 2162 default: 2163 break; 2164 } 2165 2166 n -= UAC_NCLASSES; 2167 if (n < 0 || n >= nctls) 2168 return ENXIO; 2169 2170 mc = &sc->sc_ctls[n]; 2171 strlcpy(mi->label.name, mc->ctlname, sizeof(mi->label.name)); 2172 mi->mixer_class = mc->class; 2173 mi->next = mi->prev = AUDIO_MIXER_LAST; /* XXX */ 2174 switch (mc->type) { 2175 case MIX_ON_OFF: 2176 mi->type = AUDIO_MIXER_ENUM; 2177 mi->un.e.num_mem = 2; 2178 strlcpy(mi->un.e.member[0].label.name, AudioNoff, 2179 sizeof(mi->un.e.member[0].label.name)); 2180 mi->un.e.member[0].ord = 0; 2181 strlcpy(mi->un.e.member[1].label.name, AudioNon, 2182 sizeof(mi->un.e.member[1].label.name)); 2183 mi->un.e.member[1].ord = 1; 2184 break; 2185 case MIX_SELECTOR: 2186 mi->type = AUDIO_MIXER_ENUM; 2187 mi->un.e.num_mem = mc->maxval - mc->minval + 1; 2188 for (i = 0; i <= mc->maxval - mc->minval; i++) { 2189 snprintf(mi->un.e.member[i].label.name, 2190 sizeof(mi->un.e.member[i].label.name), 2191 "%d", i + mc->minval); 2192 mi->un.e.member[i].ord = i + mc->minval; 2193 } 2194 break; 2195 default: 2196 mi->type = AUDIO_MIXER_VALUE; 2197 strncpy(mi->un.v.units.name, mc->ctlunit, MAX_AUDIO_DEV_LEN); 2198 mi->un.v.num_channels = mc->nchan; 2199 mi->un.v.delta = mc->delta; 2200 break; 2201 } 2202 return 0; 2203 } 2204 2205 Static int 2206 uaudio_open(void *addr, int flags) 2207 { 2208 struct uaudio_softc *sc; 2209 2210 sc = addr; 2211 DPRINTF("sc=%p\n", sc); 2212 if (sc->sc_dying) 2213 return EIO; 2214 2215 if ((flags & FWRITE) && !(sc->sc_mode & AUMODE_PLAY)) 2216 return EACCES; 2217 if ((flags & FREAD) && !(sc->sc_mode & AUMODE_RECORD)) 2218 return EACCES; 2219 2220 return 0; 2221 } 2222 2223 Static int 2224 uaudio_halt_out_dma(void *addr) 2225 { 2226 struct uaudio_softc *sc = addr; 2227 2228 DPRINTF("%s", "enter\n"); 2229 2230 mutex_exit(&sc->sc_intr_lock); 2231 uaudio_halt_out_dma_unlocked(sc); 2232 mutex_enter(&sc->sc_intr_lock); 2233 2234 return 0; 2235 } 2236 2237 Static void 2238 uaudio_halt_out_dma_unlocked(struct uaudio_softc *sc) 2239 { 2240 if (sc->sc_playchan.pipe != NULL) { 2241 uaudio_chan_abort(sc, &sc->sc_playchan); 2242 uaudio_chan_free_buffers(sc, &sc->sc_playchan); 2243 uaudio_chan_close(sc, &sc->sc_playchan); 2244 sc->sc_playchan.intr = NULL; 2245 } 2246 } 2247 2248 Static int 2249 uaudio_halt_in_dma(void *addr) 2250 { 2251 struct uaudio_softc *sc = addr; 2252 2253 DPRINTF("%s", "enter\n"); 2254 2255 mutex_exit(&sc->sc_intr_lock); 2256 uaudio_halt_in_dma_unlocked(sc); 2257 mutex_enter(&sc->sc_intr_lock); 2258 2259 return 0; 2260 } 2261 2262 Static void 2263 uaudio_halt_in_dma_unlocked(struct uaudio_softc *sc) 2264 { 2265 if (sc->sc_recchan.pipe != NULL) { 2266 uaudio_chan_abort(sc, &sc->sc_recchan); 2267 uaudio_chan_free_buffers(sc, &sc->sc_recchan); 2268 uaudio_chan_close(sc, &sc->sc_recchan); 2269 sc->sc_recchan.intr = NULL; 2270 } 2271 } 2272 2273 Static int 2274 uaudio_getdev(void *addr, struct audio_device *retp) 2275 { 2276 struct uaudio_softc *sc; 2277 2278 DPRINTF("%s", "\n"); 2279 sc = addr; 2280 if (sc->sc_dying) 2281 return EIO; 2282 2283 *retp = sc->sc_adev; 2284 return 0; 2285 } 2286 2287 /* 2288 * Make sure the block size is large enough to hold all outstanding transfers. 2289 */ 2290 Static int 2291 uaudio_round_blocksize(void *addr, int blk, 2292 int mode, const audio_params_t *param) 2293 { 2294 struct uaudio_softc *sc; 2295 int b; 2296 2297 sc = addr; 2298 DPRINTF("blk=%d mode=%s\n", blk, 2299 mode == AUMODE_PLAY ? "AUMODE_PLAY" : "AUMODE_RECORD"); 2300 2301 /* chan.bytes_per_frame can be 0. */ 2302 if (mode == AUMODE_PLAY || sc->sc_recchan.bytes_per_frame <= 0) { 2303 b = param->sample_rate * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 2304 2305 /* 2306 * This does not make accurate value in the case 2307 * of b % USB_FRAMES_PER_SECOND != 0 2308 */ 2309 b /= USB_FRAMES_PER_SECOND; 2310 2311 b *= param->precision / 8 * param->channels; 2312 } else { 2313 /* 2314 * use wMaxPacketSize in bytes_per_frame. 2315 * See uaudio_set_format() and uaudio_chan_init() 2316 */ 2317 b = sc->sc_recchan.bytes_per_frame 2318 * UAUDIO_NFRAMES * UAUDIO_NCHANBUFS; 2319 } 2320 2321 if (b <= 0) 2322 b = 1; 2323 blk = blk <= b ? b : blk / b * b; 2324 2325 #ifdef DIAGNOSTIC 2326 if (blk <= 0) { 2327 aprint_debug("uaudio_round_blocksize: blk=%d\n", blk); 2328 blk = 512; 2329 } 2330 #endif 2331 2332 DPRINTF("resultant blk=%d\n", blk); 2333 return blk; 2334 } 2335 2336 Static int 2337 uaudio_get_props(void *addr) 2338 { 2339 struct uaudio_softc *sc; 2340 int props; 2341 2342 sc = addr; 2343 props = 0; 2344 if ((sc->sc_mode & AUMODE_PLAY)) 2345 props |= AUDIO_PROP_PLAYBACK; 2346 if ((sc->sc_mode & AUMODE_RECORD)) 2347 props |= AUDIO_PROP_CAPTURE; 2348 2349 /* XXX I'm not sure all bidirectional devices support FULLDUP&INDEP */ 2350 if (props == (AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE)) 2351 props |= AUDIO_PROP_FULLDUPLEX | AUDIO_PROP_INDEPENDENT; 2352 2353 return props; 2354 } 2355 2356 Static void 2357 uaudio_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 2358 { 2359 struct uaudio_softc *sc; 2360 2361 sc = addr; 2362 *intr = &sc->sc_intr_lock; 2363 *thread = &sc->sc_lock; 2364 } 2365 2366 Static int 2367 uaudio_get(struct uaudio_softc *sc, int which, int type, int wValue, 2368 int wIndex, int len) 2369 { 2370 usb_device_request_t req; 2371 uint8_t data[4]; 2372 usbd_status err; 2373 int val; 2374 2375 if (wValue == -1) 2376 return 0; 2377 2378 req.bmRequestType = type; 2379 req.bRequest = which; 2380 USETW(req.wValue, wValue); 2381 USETW(req.wIndex, wIndex); 2382 USETW(req.wLength, len); 2383 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x " 2384 "wIndex=0x%04x len=%d\n", 2385 type, which, wValue, wIndex, len); 2386 err = usbd_do_request(sc->sc_udev, &req, data); 2387 if (err) { 2388 DPRINTF("err=%s\n", usbd_errstr(err)); 2389 return -1; 2390 } 2391 switch (len) { 2392 case 1: 2393 val = data[0]; 2394 break; 2395 case 2: 2396 val = data[0] | (data[1] << 8); 2397 break; 2398 default: 2399 DPRINTF("bad length=%d\n", len); 2400 return -1; 2401 } 2402 DPRINTFN(2,"val=%d\n", val); 2403 return val; 2404 } 2405 2406 Static void 2407 uaudio_set(struct uaudio_softc *sc, int which, int type, int wValue, 2408 int wIndex, int len, int val) 2409 { 2410 usb_device_request_t req; 2411 uint8_t data[4]; 2412 int err __unused; 2413 2414 if (wValue == -1) 2415 return; 2416 2417 req.bmRequestType = type; 2418 req.bRequest = which; 2419 USETW(req.wValue, wValue); 2420 USETW(req.wIndex, wIndex); 2421 USETW(req.wLength, len); 2422 switch (len) { 2423 case 1: 2424 data[0] = val; 2425 break; 2426 case 2: 2427 data[0] = val; 2428 data[1] = val >> 8; 2429 break; 2430 default: 2431 return; 2432 } 2433 DPRINTFN(2,"type=0x%02x req=0x%02x wValue=0x%04x " 2434 "wIndex=0x%04x len=%d, val=%d\n", 2435 type, which, wValue, wIndex, len, val & 0xffff); 2436 err = usbd_do_request(sc->sc_udev, &req, data); 2437 #ifdef UAUDIO_DEBUG 2438 if (err) 2439 DPRINTF("err=%d\n", err); 2440 #endif 2441 } 2442 2443 Static int 2444 uaudio_signext(int type, int val) 2445 { 2446 if (!MIX_UNSIGNED(type)) { 2447 if (MIX_SIZE(type) == 2) 2448 val = (int16_t)val; 2449 else 2450 val = (int8_t)val; 2451 } 2452 return val; 2453 } 2454 2455 Static int 2456 uaudio_value2bsd(struct mixerctl *mc, int val) 2457 { 2458 DPRINTFN(5, "type=%03x val=%d min=%d max=%d ", 2459 mc->type, val, mc->minval, mc->maxval); 2460 if (mc->type == MIX_ON_OFF) { 2461 val = (val != 0); 2462 } else if (mc->type == MIX_SELECTOR) { 2463 if (val < mc->minval || val > mc->maxval) 2464 val = mc->minval; 2465 } else 2466 val = ((uaudio_signext(mc->type, val) - mc->minval) * 255 2467 + mc->mul/2) / mc->mul; 2468 DPRINTFN_CLEAN(5, "val'=%d\n", val); 2469 return val; 2470 } 2471 2472 int 2473 uaudio_bsd2value(struct mixerctl *mc, int val) 2474 { 2475 DPRINTFN(5,"type=%03x val=%d min=%d max=%d ", 2476 mc->type, val, mc->minval, mc->maxval); 2477 if (mc->type == MIX_ON_OFF) { 2478 val = (val != 0); 2479 } else if (mc->type == MIX_SELECTOR) { 2480 if (val < mc->minval || val > mc->maxval) 2481 val = mc->minval; 2482 } else 2483 val = (val + mc->delta/2) * mc->mul / 255 + mc->minval; 2484 DPRINTFN_CLEAN(5, "val'=%d\n", val); 2485 return val; 2486 } 2487 2488 Static int 2489 uaudio_ctl_get(struct uaudio_softc *sc, int which, struct mixerctl *mc, 2490 int chan) 2491 { 2492 int val; 2493 2494 DPRINTFN(5,"which=%d chan=%d\n", which, chan); 2495 mutex_exit(&sc->sc_lock); 2496 val = uaudio_get(sc, which, UT_READ_CLASS_INTERFACE, mc->wValue[chan], 2497 mc->wIndex, MIX_SIZE(mc->type)); 2498 mutex_enter(&sc->sc_lock); 2499 return uaudio_value2bsd(mc, val); 2500 } 2501 2502 Static void 2503 uaudio_ctl_set(struct uaudio_softc *sc, int which, struct mixerctl *mc, 2504 int chan, int val) 2505 { 2506 2507 val = uaudio_bsd2value(mc, val); 2508 mutex_exit(&sc->sc_lock); 2509 uaudio_set(sc, which, UT_WRITE_CLASS_INTERFACE, mc->wValue[chan], 2510 mc->wIndex, MIX_SIZE(mc->type), val); 2511 mutex_enter(&sc->sc_lock); 2512 } 2513 2514 Static int 2515 uaudio_mixer_get_port(void *addr, mixer_ctrl_t *cp) 2516 { 2517 struct uaudio_softc *sc; 2518 struct mixerctl *mc; 2519 int i, n, vals[MIX_MAX_CHAN], val; 2520 2521 DPRINTFN(2, "index=%d\n", cp->dev); 2522 sc = addr; 2523 if (sc->sc_dying) 2524 return EIO; 2525 2526 n = cp->dev - UAC_NCLASSES; 2527 if (n < 0 || n >= sc->sc_nctls) 2528 return ENXIO; 2529 mc = &sc->sc_ctls[n]; 2530 2531 if (mc->type == MIX_ON_OFF) { 2532 if (cp->type != AUDIO_MIXER_ENUM) 2533 return EINVAL; 2534 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 2535 } else if (mc->type == MIX_SELECTOR) { 2536 if (cp->type != AUDIO_MIXER_ENUM) 2537 return EINVAL; 2538 cp->un.ord = uaudio_ctl_get(sc, GET_CUR, mc, 0); 2539 } else { 2540 if (cp->type != AUDIO_MIXER_VALUE) 2541 return EINVAL; 2542 if (cp->un.value.num_channels != 1 && 2543 cp->un.value.num_channels != mc->nchan) 2544 return EINVAL; 2545 for (i = 0; i < mc->nchan; i++) 2546 vals[i] = uaudio_ctl_get(sc, GET_CUR, mc, i); 2547 if (cp->un.value.num_channels == 1 && mc->nchan != 1) { 2548 for (val = 0, i = 0; i < mc->nchan; i++) 2549 val += vals[i]; 2550 vals[0] = val / mc->nchan; 2551 } 2552 for (i = 0; i < cp->un.value.num_channels; i++) 2553 cp->un.value.level[i] = vals[i]; 2554 } 2555 2556 return 0; 2557 } 2558 2559 Static int 2560 uaudio_mixer_set_port(void *addr, mixer_ctrl_t *cp) 2561 { 2562 struct uaudio_softc *sc; 2563 struct mixerctl *mc; 2564 int i, n, vals[MIX_MAX_CHAN]; 2565 2566 DPRINTFN(2, "index = %d\n", cp->dev); 2567 sc = addr; 2568 if (sc->sc_dying) 2569 return EIO; 2570 2571 n = cp->dev - UAC_NCLASSES; 2572 if (n < 0 || n >= sc->sc_nctls) 2573 return ENXIO; 2574 mc = &sc->sc_ctls[n]; 2575 2576 if (mc->type == MIX_ON_OFF) { 2577 if (cp->type != AUDIO_MIXER_ENUM) 2578 return EINVAL; 2579 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 2580 } else if (mc->type == MIX_SELECTOR) { 2581 if (cp->type != AUDIO_MIXER_ENUM) 2582 return EINVAL; 2583 uaudio_ctl_set(sc, SET_CUR, mc, 0, cp->un.ord); 2584 } else { 2585 if (cp->type != AUDIO_MIXER_VALUE) 2586 return EINVAL; 2587 if (cp->un.value.num_channels == 1) 2588 for (i = 0; i < mc->nchan; i++) 2589 vals[i] = cp->un.value.level[0]; 2590 else if (cp->un.value.num_channels == mc->nchan) 2591 for (i = 0; i < mc->nchan; i++) 2592 vals[i] = cp->un.value.level[i]; 2593 else 2594 return EINVAL; 2595 for (i = 0; i < mc->nchan; i++) 2596 uaudio_ctl_set(sc, SET_CUR, mc, i, vals[i]); 2597 } 2598 return 0; 2599 } 2600 2601 Static int 2602 uaudio_trigger_input(void *addr, void *start, void *end, int blksize, 2603 void (*intr)(void *), void *arg, 2604 const audio_params_t *param) 2605 { 2606 struct uaudio_softc *sc; 2607 struct chan *ch; 2608 usbd_status err; 2609 int i; 2610 2611 sc = addr; 2612 if (sc->sc_dying) 2613 return EIO; 2614 2615 mutex_exit(&sc->sc_intr_lock); 2616 2617 DPRINTFN(3, "sc=%p start=%p end=%p " 2618 "blksize=%d\n", sc, start, end, blksize); 2619 ch = &sc->sc_recchan; 2620 uaudio_chan_set_param(ch, start, end, blksize); 2621 DPRINTFN(3, "sample_size=%d bytes/frame=%d " 2622 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 2623 ch->fraction); 2624 2625 err = uaudio_chan_open(sc, ch); 2626 if (err) { 2627 mutex_enter(&sc->sc_intr_lock); 2628 device_printf(sc->sc_dev,"%s open channel err=%s\n",__func__, usbd_errstr(err)); 2629 return EIO; 2630 } 2631 2632 err = uaudio_chan_alloc_buffers(sc, ch); 2633 if (err) { 2634 uaudio_chan_close(sc, ch); 2635 device_printf(sc->sc_dev,"%s alloc buffers err=%s\n",__func__, usbd_errstr(err)); 2636 mutex_enter(&sc->sc_intr_lock); 2637 return EIO; 2638 } 2639 2640 2641 ch->intr = intr; 2642 ch->arg = arg; 2643 2644 /* 2645 * Start as half as many channels for recording as for playback. 2646 * This stops playback from stuttering in full-duplex operation. 2647 */ 2648 for (i = 0; i < UAUDIO_NCHANBUFS / 2; i++) { 2649 uaudio_chan_rtransfer(ch); 2650 } 2651 2652 mutex_enter(&sc->sc_intr_lock); 2653 2654 return 0; 2655 } 2656 2657 Static int 2658 uaudio_trigger_output(void *addr, void *start, void *end, int blksize, 2659 void (*intr)(void *), void *arg, 2660 const audio_params_t *param) 2661 { 2662 struct uaudio_softc *sc; 2663 struct chan *ch; 2664 usbd_status err; 2665 int i; 2666 2667 sc = addr; 2668 if (sc->sc_dying) 2669 return EIO; 2670 2671 mutex_exit(&sc->sc_intr_lock); 2672 2673 DPRINTFN(3, "sc=%p start=%p end=%p " 2674 "blksize=%d\n", sc, start, end, blksize); 2675 ch = &sc->sc_playchan; 2676 uaudio_chan_set_param(ch, start, end, blksize); 2677 DPRINTFN(3, "sample_size=%d bytes/frame=%d " 2678 "fraction=0.%03d\n", ch->sample_size, ch->bytes_per_frame, 2679 ch->fraction); 2680 2681 err = uaudio_chan_open(sc, ch); 2682 if (err) { 2683 mutex_enter(&sc->sc_intr_lock); 2684 device_printf(sc->sc_dev,"%s open channel err=%s\n",__func__, usbd_errstr(err)); 2685 return EIO; 2686 } 2687 2688 err = uaudio_chan_alloc_buffers(sc, ch); 2689 if (err) { 2690 uaudio_chan_close(sc, ch); 2691 device_printf(sc->sc_dev,"%s alloc buffers err=%s\n",__func__, usbd_errstr(err)); 2692 mutex_enter(&sc->sc_intr_lock); 2693 return EIO; 2694 } 2695 2696 ch->intr = intr; 2697 ch->arg = arg; 2698 2699 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 2700 uaudio_chan_ptransfer(ch); 2701 2702 mutex_enter(&sc->sc_intr_lock); 2703 2704 return 0; 2705 } 2706 2707 /* Set up a pipe for a channel. */ 2708 Static usbd_status 2709 uaudio_chan_open(struct uaudio_softc *sc, struct chan *ch) 2710 { 2711 struct as_info *as; 2712 usb_device_descriptor_t *ddesc; 2713 int endpt; 2714 usbd_status err; 2715 2716 as = &sc->sc_alts[ch->altidx]; 2717 endpt = as->edesc->bEndpointAddress; 2718 DPRINTF("endpt=0x%02x, speed=%d, alt=%d\n", 2719 endpt, ch->sample_rate, as->alt); 2720 2721 /* Set alternate interface corresponding to the mode. */ 2722 err = usbd_set_interface(as->ifaceh, as->alt); 2723 if (err) 2724 return err; 2725 2726 /* 2727 * Roland SD-90 freezes by a SAMPLING_FREQ_CONTROL request. 2728 */ 2729 ddesc = usbd_get_device_descriptor(sc->sc_udev); 2730 if ((UGETW(ddesc->idVendor) != USB_VENDOR_ROLAND) && 2731 (UGETW(ddesc->idProduct) != USB_PRODUCT_ROLAND_SD90)) { 2732 err = uaudio_set_speed(sc, endpt, ch->sample_rate); 2733 if (err) { 2734 DPRINTF("set_speed failed err=%s\n", usbd_errstr(err)); 2735 } 2736 } 2737 2738 DPRINTF("create pipe to 0x%02x\n", endpt); 2739 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, &ch->pipe); 2740 if (err) 2741 return err; 2742 if (as->edesc1 != NULL) { 2743 endpt = as->edesc1->bEndpointAddress; 2744 DPRINTF("create sync-pipe to 0x%02x\n", endpt); 2745 err = usbd_open_pipe(as->ifaceh, endpt, USBD_MPSAFE, 2746 &ch->sync_pipe); 2747 } 2748 return err; 2749 } 2750 2751 Static void 2752 uaudio_chan_abort(struct uaudio_softc *sc, struct chan *ch) 2753 { 2754 struct usbd_pipe *pipe; 2755 struct as_info *as; 2756 2757 as = &sc->sc_alts[ch->altidx]; 2758 as->sc_busy = 0; 2759 if (sc->sc_nullalt >= 0) { 2760 DPRINTF("set null alt=%d\n", sc->sc_nullalt); 2761 usbd_set_interface(as->ifaceh, sc->sc_nullalt); 2762 } 2763 pipe = ch->pipe; 2764 if (pipe) { 2765 usbd_abort_pipe(pipe); 2766 } 2767 pipe = ch->sync_pipe; 2768 if (pipe) { 2769 usbd_abort_pipe(pipe); 2770 } 2771 } 2772 2773 Static void 2774 uaudio_chan_close(struct uaudio_softc *sc, struct chan *ch) 2775 { 2776 struct usbd_pipe *pipe; 2777 2778 pipe = atomic_swap_ptr(&ch->pipe, NULL); 2779 if (pipe) { 2780 usbd_close_pipe(pipe); 2781 } 2782 pipe = atomic_swap_ptr(&ch->sync_pipe, NULL); 2783 if (pipe) { 2784 usbd_close_pipe(pipe); 2785 } 2786 } 2787 2788 Static usbd_status 2789 uaudio_chan_alloc_buffers(struct uaudio_softc *sc, struct chan *ch) 2790 { 2791 int i, size; 2792 2793 size = (ch->bytes_per_frame + ch->sample_size) * UAUDIO_NFRAMES; 2794 for (i = 0; i < UAUDIO_NCHANBUFS; i++) { 2795 struct usbd_xfer *xfer; 2796 2797 int err = usbd_create_xfer(ch->pipe, size, 0, UAUDIO_NFRAMES, 2798 &xfer); 2799 if (err) 2800 goto bad; 2801 2802 ch->chanbufs[i].xfer = xfer; 2803 ch->chanbufs[i].buffer = usbd_get_buffer(xfer); 2804 ch->chanbufs[i].chan = ch; 2805 } 2806 2807 return USBD_NORMAL_COMPLETION; 2808 2809 bad: 2810 while (--i >= 0) 2811 /* implicit buffer free */ 2812 usbd_destroy_xfer(ch->chanbufs[i].xfer); 2813 return USBD_NOMEM; 2814 } 2815 2816 Static void 2817 uaudio_chan_free_buffers(struct uaudio_softc *sc, struct chan *ch) 2818 { 2819 int i; 2820 2821 for (i = 0; i < UAUDIO_NCHANBUFS; i++) 2822 usbd_destroy_xfer(ch->chanbufs[i].xfer); 2823 } 2824 2825 Static void 2826 uaudio_chan_ptransfer(struct chan *ch) 2827 { 2828 struct chanbuf *cb; 2829 int i, n, size, residue, total; 2830 2831 if (ch->sc->sc_dying) 2832 return; 2833 2834 /* Pick the next channel buffer. */ 2835 cb = &ch->chanbufs[ch->curchanbuf]; 2836 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2837 ch->curchanbuf = 0; 2838 2839 /* Compute the size of each frame in the next transfer. */ 2840 residue = ch->residue; 2841 total = 0; 2842 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2843 size = ch->bytes_per_frame; 2844 residue += ch->fraction; 2845 if (residue >= USB_FRAMES_PER_SECOND) { 2846 if ((ch->sc->sc_altflags & UA_NOFRAC) == 0) 2847 size += ch->sample_size; 2848 residue -= USB_FRAMES_PER_SECOND; 2849 } 2850 cb->sizes[i] = size; 2851 total += size; 2852 } 2853 ch->residue = residue; 2854 cb->size = total; 2855 2856 /* 2857 * Transfer data from upper layer buffer to channel buffer, taking 2858 * care of wrapping the upper layer buffer. 2859 */ 2860 n = uimin(total, ch->end - ch->cur); 2861 memcpy(cb->buffer, ch->cur, n); 2862 ch->cur += n; 2863 if (ch->cur >= ch->end) 2864 ch->cur = ch->start; 2865 if (total > n) { 2866 total -= n; 2867 memcpy(cb->buffer + n, ch->cur, total); 2868 ch->cur += total; 2869 } 2870 2871 #ifdef UAUDIO_DEBUG 2872 if (uaudiodebug > 8) { 2873 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue); 2874 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2875 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]); 2876 } 2877 } 2878 #endif 2879 2880 //DPRINTFN(5, "ptransfer xfer=%p\n", cb->xfer); 2881 /* Fill the request */ 2882 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0, 2883 uaudio_chan_pintr); 2884 2885 usbd_status err = usbd_transfer(cb->xfer); 2886 if (err != USBD_IN_PROGRESS && err != USBD_NORMAL_COMPLETION) 2887 device_printf(ch->sc->sc_dev, "ptransfer error %d\n", err); 2888 } 2889 2890 Static void 2891 uaudio_chan_pintr(struct usbd_xfer *xfer, void *priv, 2892 usbd_status status) 2893 { 2894 struct chanbuf *cb; 2895 struct chan *ch; 2896 uint32_t count; 2897 2898 cb = priv; 2899 ch = cb->chan; 2900 /* Return if we are aborting. */ 2901 if (status == USBD_CANCELLED) 2902 return; 2903 2904 if (status != USBD_NORMAL_COMPLETION) 2905 device_printf(ch->sc->sc_dev, "pintr error: %s\n", 2906 usbd_errstr(status)); 2907 2908 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2909 DPRINTFN(5, "count=%d, transferred=%d\n", 2910 count, ch->transferred); 2911 #ifdef DIAGNOSTIC 2912 if (count != cb->size) { 2913 device_printf(ch->sc->sc_dev, 2914 "uaudio_chan_pintr: count(%d) != size(%d), status(%d)\n", 2915 count, cb->size, status); 2916 } 2917 #endif 2918 2919 mutex_enter(&ch->sc->sc_intr_lock); 2920 ch->transferred += cb->size; 2921 /* Call back to upper layer */ 2922 while (ch->transferred >= ch->blksize) { 2923 ch->transferred -= ch->blksize; 2924 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg); 2925 ch->intr(ch->arg); 2926 } 2927 mutex_exit(&ch->sc->sc_intr_lock); 2928 2929 /* start next transfer */ 2930 uaudio_chan_ptransfer(ch); 2931 } 2932 2933 Static void 2934 uaudio_chan_rtransfer(struct chan *ch) 2935 { 2936 struct chanbuf *cb; 2937 int i, size, residue, total; 2938 2939 if (ch->sc->sc_dying) 2940 return; 2941 2942 /* Pick the next channel buffer. */ 2943 cb = &ch->chanbufs[ch->curchanbuf]; 2944 if (++ch->curchanbuf >= UAUDIO_NCHANBUFS) 2945 ch->curchanbuf = 0; 2946 2947 /* Compute the size of each frame in the next transfer. */ 2948 residue = ch->residue; 2949 total = 0; 2950 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2951 size = ch->bytes_per_frame; 2952 cb->sizes[i] = size; 2953 cb->offsets[i] = total; 2954 total += size; 2955 } 2956 ch->residue = residue; 2957 cb->size = total; 2958 2959 #ifdef UAUDIO_DEBUG 2960 if (uaudiodebug > 8) { 2961 DPRINTF("buffer=%p, residue=0.%03d\n", cb->buffer, ch->residue); 2962 for (i = 0; i < UAUDIO_NFRAMES; i++) { 2963 DPRINTF(" [%d] length %d\n", i, cb->sizes[i]); 2964 } 2965 } 2966 #endif 2967 2968 DPRINTFN(5, "transfer xfer=%p\n", cb->xfer); 2969 /* Fill the request */ 2970 usbd_setup_isoc_xfer(cb->xfer, cb, cb->sizes, UAUDIO_NFRAMES, 0, 2971 uaudio_chan_rintr); 2972 2973 usbd_status err = usbd_transfer(cb->xfer); 2974 if (err != USBD_IN_PROGRESS && err != USBD_NORMAL_COMPLETION) 2975 device_printf(ch->sc->sc_dev, "rtransfer error %d\n", err); 2976 } 2977 2978 Static void 2979 uaudio_chan_rintr(struct usbd_xfer *xfer, void *priv, 2980 usbd_status status) 2981 { 2982 struct chanbuf *cb; 2983 struct chan *ch; 2984 uint32_t count; 2985 int i, n, frsize; 2986 2987 cb = priv; 2988 ch = cb->chan; 2989 /* Return if we are aborting. */ 2990 if (status == USBD_CANCELLED) 2991 return; 2992 2993 if (status != USBD_NORMAL_COMPLETION && status != USBD_SHORT_XFER) 2994 device_printf(ch->sc->sc_dev, "rintr error: %s\n", 2995 usbd_errstr(status)); 2996 2997 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); 2998 DPRINTFN(5, "count=%d, transferred=%d\n", count, ch->transferred); 2999 3000 /* count < cb->size is normal for asynchronous source */ 3001 #ifdef DIAGNOSTIC 3002 if (count > cb->size) { 3003 device_printf(ch->sc->sc_dev, 3004 "uaudio_chan_rintr: count(%d) > size(%d) status(%d)\n", 3005 count, cb->size, status); 3006 } 3007 #endif 3008 3009 /* 3010 * Transfer data from channel buffer to upper layer buffer, taking 3011 * care of wrapping the upper layer buffer. 3012 */ 3013 for (i = 0; i < UAUDIO_NFRAMES; i++) { 3014 frsize = cb->sizes[i]; 3015 n = uimin(frsize, ch->end - ch->cur); 3016 memcpy(ch->cur, cb->buffer + cb->offsets[i], n); 3017 ch->cur += n; 3018 if (ch->cur >= ch->end) 3019 ch->cur = ch->start; 3020 if (frsize > n) { 3021 memcpy(ch->cur, cb->buffer + cb->offsets[i] + n, 3022 frsize - n); 3023 ch->cur += frsize - n; 3024 } 3025 } 3026 3027 /* Call back to upper layer */ 3028 mutex_enter(&ch->sc->sc_intr_lock); 3029 ch->transferred += count; 3030 while (ch->transferred >= ch->blksize) { 3031 ch->transferred -= ch->blksize; 3032 DPRINTFN(5, "call %p(%p)\n", ch->intr, ch->arg); 3033 ch->intr(ch->arg); 3034 } 3035 mutex_exit(&ch->sc->sc_intr_lock); 3036 3037 /* start next transfer */ 3038 uaudio_chan_rtransfer(ch); 3039 } 3040 3041 Static void 3042 uaudio_chan_init(struct chan *ch, int altidx, const struct audio_params *param, 3043 int maxpktsize) 3044 { 3045 int samples_per_frame, sample_size; 3046 3047 ch->altidx = altidx; 3048 sample_size = param->precision * param->channels / 8; 3049 samples_per_frame = param->sample_rate / USB_FRAMES_PER_SECOND; 3050 ch->sample_size = sample_size; 3051 ch->sample_rate = param->sample_rate; 3052 if (maxpktsize == 0) { 3053 ch->fraction = param->sample_rate % USB_FRAMES_PER_SECOND; 3054 ch->bytes_per_frame = samples_per_frame * sample_size; 3055 } else { 3056 ch->fraction = 0; 3057 ch->bytes_per_frame = maxpktsize; 3058 } 3059 ch->residue = 0; 3060 } 3061 3062 Static void 3063 uaudio_chan_set_param(struct chan *ch, u_char *start, u_char *end, int blksize) 3064 { 3065 3066 ch->start = start; 3067 ch->end = end; 3068 ch->cur = start; 3069 ch->blksize = blksize; 3070 ch->transferred = 0; 3071 ch->curchanbuf = 0; 3072 } 3073 3074 Static int 3075 uaudio_set_format(void *addr, int setmode, 3076 const audio_params_t *play, const audio_params_t *rec, 3077 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 3078 { 3079 struct uaudio_softc *sc; 3080 int paltidx, raltidx; 3081 3082 sc = addr; 3083 paltidx = -1; 3084 raltidx = -1; 3085 if (sc->sc_dying) 3086 return EIO; 3087 3088 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) { 3089 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 0; 3090 } 3091 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) { 3092 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 0; 3093 } 3094 3095 /* Some uaudio devices are unidirectional. Don't try to find a 3096 matching mode for the unsupported direction. */ 3097 setmode &= sc->sc_mode; 3098 3099 if ((setmode & AUMODE_PLAY)) { 3100 paltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats, 3101 AUMODE_PLAY, play); 3102 /* Transfer should have halted */ 3103 uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0); 3104 } 3105 if ((setmode & AUMODE_RECORD)) { 3106 raltidx = audio_indexof_format(sc->sc_formats, sc->sc_nformats, 3107 AUMODE_RECORD, rec); 3108 /* Transfer should have halted */ 3109 uaudio_chan_init(&sc->sc_recchan, raltidx, rec, 3110 UGETW(sc->sc_alts[raltidx].edesc->wMaxPacketSize)); 3111 } 3112 3113 if ((setmode & AUMODE_PLAY) && sc->sc_playchan.altidx != -1) { 3114 sc->sc_alts[sc->sc_playchan.altidx].sc_busy = 1; 3115 } 3116 if ((setmode & AUMODE_RECORD) && sc->sc_recchan.altidx != -1) { 3117 sc->sc_alts[sc->sc_recchan.altidx].sc_busy = 1; 3118 } 3119 3120 DPRINTF("use altidx=p%d/r%d, altno=p%d/r%d\n", 3121 sc->sc_playchan.altidx, sc->sc_recchan.altidx, 3122 (sc->sc_playchan.altidx >= 0) 3123 ?sc->sc_alts[sc->sc_playchan.altidx].idesc->bAlternateSetting 3124 : -1, 3125 (sc->sc_recchan.altidx >= 0) 3126 ? sc->sc_alts[sc->sc_recchan.altidx].idesc->bAlternateSetting 3127 : -1); 3128 3129 return 0; 3130 } 3131 3132 Static usbd_status 3133 uaudio_set_speed(struct uaudio_softc *sc, int endpt, u_int speed) 3134 { 3135 usb_device_request_t req; 3136 usbd_status err; 3137 uint8_t data[3]; 3138 3139 DPRINTFN(5, "endpt=%d speed=%u\n", endpt, speed); 3140 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 3141 req.bRequest = SET_CUR; 3142 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 3143 USETW(req.wIndex, endpt); 3144 USETW(req.wLength, 3); 3145 data[0] = speed; 3146 data[1] = speed >> 8; 3147 data[2] = speed >> 16; 3148 3149 err = usbd_do_request(sc->sc_udev, &req, data); 3150 3151 return err; 3152 } 3153 3154 #ifdef _MODULE 3155 3156 MODULE(MODULE_CLASS_DRIVER, uaudio, NULL); 3157 3158 static const struct cfiattrdata audiobuscf_iattrdata = { 3159 "audiobus", 0, { { NULL, NULL, 0 }, } 3160 }; 3161 static const struct cfiattrdata * const uaudio_attrs[] = { 3162 &audiobuscf_iattrdata, NULL 3163 }; 3164 CFDRIVER_DECL(uaudio, DV_DULL, uaudio_attrs); 3165 extern struct cfattach uaudio_ca; 3166 static int uaudioloc[6/*USBIFIFCF_NLOCS*/] = { 3167 -1/*USBIFIFCF_PORT_DEFAULT*/, 3168 -1/*USBIFIFCF_CONFIGURATION_DEFAULT*/, 3169 -1/*USBIFIFCF_INTERFACE_DEFAULT*/, 3170 -1/*USBIFIFCF_VENDOR_DEFAULT*/, 3171 -1/*USBIFIFCF_PRODUCT_DEFAULT*/, 3172 -1/*USBIFIFCF_RELEASE_DEFAULT*/}; 3173 static struct cfparent uhubparent = { 3174 "usbifif", NULL, DVUNIT_ANY 3175 }; 3176 static struct cfdata uaudio_cfdata[] = { 3177 { 3178 .cf_name = "uaudio", 3179 .cf_atname = "uaudio", 3180 .cf_unit = 0, 3181 .cf_fstate = FSTATE_STAR, 3182 .cf_loc = uaudioloc, 3183 .cf_flags = 0, 3184 .cf_pspec = &uhubparent, 3185 }, 3186 { NULL } 3187 }; 3188 3189 static int 3190 uaudio_modcmd(modcmd_t cmd, void *arg) 3191 { 3192 int err; 3193 3194 switch (cmd) { 3195 case MODULE_CMD_INIT: 3196 err = config_cfdriver_attach(&uaudio_cd); 3197 if (err) { 3198 return err; 3199 } 3200 err = config_cfattach_attach("uaudio", &uaudio_ca); 3201 if (err) { 3202 config_cfdriver_detach(&uaudio_cd); 3203 return err; 3204 } 3205 err = config_cfdata_attach(uaudio_cfdata, 1); 3206 if (err) { 3207 config_cfattach_detach("uaudio", &uaudio_ca); 3208 config_cfdriver_detach(&uaudio_cd); 3209 return err; 3210 } 3211 return 0; 3212 case MODULE_CMD_FINI: 3213 err = config_cfdata_detach(uaudio_cfdata); 3214 if (err) 3215 return err; 3216 config_cfattach_detach("uaudio", &uaudio_ca); 3217 config_cfdriver_detach(&uaudio_cd); 3218 return 0; 3219 default: 3220 return ENOTTY; 3221 } 3222 } 3223 3224 #endif 3225