1 /* $NetBSD: uaudio.c,v 1.91 2004/11/05 17:46:14 kent Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 1999 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Lennart Augustsson (lennart@augustsson.net) at 11 * Carlstedt Research & Technology. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 /* 37 * USB audio specs: http://www.usb.org/developers/devclass_docs/audio10.pdf 38 * http://www.usb.org/developers/devclass_docs/frmts10.pdf 39 * http://www.usb.org/developers/devclass_docs/termt10.pdf 40 */ 41 42 /* 43 * Also merged: 44 * $NetBSD: uaudio.c,v 1.94 2005/01/15 15:19:53 kent Exp $ 45 * $NetBSD: uaudio.c,v 1.95 2005/01/16 06:02:19 dsainty Exp $ 46 * $NetBSD: uaudio.c,v 1.96 2005/01/16 12:46:00 kent Exp $ 47 * $NetBSD: uaudio.c,v 1.97 2005/02/24 08:19:38 martin Exp $ 48 */ 49 50 #include <sys/stdint.h> 51 #include <sys/stddef.h> 52 #include <sys/param.h> 53 #include <sys/queue.h> 54 #include <sys/types.h> 55 #include <sys/systm.h> 56 #include <sys/kernel.h> 57 #include <sys/bus.h> 58 #include <sys/module.h> 59 #include <sys/lock.h> 60 #include <sys/mutex.h> 61 #include <sys/condvar.h> 62 #include <sys/sysctl.h> 63 #include <sys/sx.h> 64 #include <sys/unistd.h> 65 #include <sys/callout.h> 66 #include <sys/malloc.h> 67 #include <sys/priv.h> 68 69 #include <dev/hid/hid.h> 70 71 #include "usbdevs.h" 72 #include <dev/usb/usb.h> 73 #include <dev/usb/usbdi.h> 74 #include <dev/usb/usbdi_util.h> 75 #include <dev/usb/usbhid.h> 76 #include <dev/usb/usb_request.h> 77 #include <dev/usb/usb_process.h> 78 79 #define USB_DEBUG_VAR uaudio_debug 80 #include <dev/usb/usb_debug.h> 81 82 #include <dev/usb/quirk/usb_quirk.h> 83 84 #include <sys/reboot.h> /* for bootverbose */ 85 86 #ifdef HAVE_KERNEL_OPTION_HEADERS 87 #include "opt_snd.h" 88 #endif 89 90 #include <dev/sound/pcm/sound.h> 91 #include <dev/sound/usb/uaudioreg.h> 92 #include <dev/sound/usb/uaudio.h> 93 #include "feeder_if.h" 94 95 static int uaudio_default_rate = 0; /* use rate list */ 96 static int uaudio_default_bits = 0; /* use default sample size */ 97 static int uaudio_default_channels = 0; /* use default */ 98 static int uaudio_buffer_ms = 4; 99 static bool uaudio_handle_hid = true; 100 101 static SYSCTL_NODE(_hw_usb, OID_AUTO, uaudio, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 102 "USB uaudio"); 103 SYSCTL_BOOL(_hw_usb_uaudio, OID_AUTO, handle_hid, CTLFLAG_RWTUN, 104 &uaudio_handle_hid, 0, "uaudio handles any HID volume/mute keys, if set"); 105 SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, default_rate, CTLFLAG_RWTUN, 106 &uaudio_default_rate, 0, "uaudio default sample rate"); 107 SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, default_bits, CTLFLAG_RWTUN, 108 &uaudio_default_bits, 0, "uaudio default sample bits"); 109 SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, default_channels, CTLFLAG_RWTUN, 110 &uaudio_default_channels, 0, "uaudio default sample channels"); 111 112 #define UAUDIO_BUFFER_MS_MIN 1 113 #define UAUDIO_BUFFER_MS_MAX 8 114 115 static int 116 uaudio_buffer_ms_sysctl(SYSCTL_HANDLER_ARGS) 117 { 118 int err, val; 119 120 val = uaudio_buffer_ms; 121 err = sysctl_handle_int(oidp, &val, 0, req); 122 123 if (err != 0 || req->newptr == NULL || val == uaudio_buffer_ms) 124 return (err); 125 126 if (val > UAUDIO_BUFFER_MS_MAX) 127 val = UAUDIO_BUFFER_MS_MAX; 128 else if (val < UAUDIO_BUFFER_MS_MIN) 129 val = UAUDIO_BUFFER_MS_MIN; 130 131 uaudio_buffer_ms = val; 132 133 return (0); 134 } 135 SYSCTL_PROC(_hw_usb_uaudio, OID_AUTO, buffer_ms, 136 CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 0, sizeof(int), 137 uaudio_buffer_ms_sysctl, "I", 138 "uaudio buffering delay in milliseconds, from 1 to 8"); 139 140 #ifdef USB_DEBUG 141 static int uaudio_debug; 142 143 SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, debug, CTLFLAG_RWTUN, 144 &uaudio_debug, 0, "uaudio debug level"); 145 #else 146 #define uaudio_debug 0 147 #endif 148 149 #define UAUDIO_NFRAMES 64 /* must be factor of 8 due HS-USB */ 150 #define UAUDIO_NCHANBUFS 2 /* number of outstanding request */ 151 #define UAUDIO_RECURSE_LIMIT 255 /* rounds */ 152 #define UAUDIO_BITS_MAX 32 /* maximum sample size in bits */ 153 #define UAUDIO_CHANNELS_MAX MIN(64, AFMT_CHANNEL_MAX) 154 #define UAUDIO_MATRIX_MAX 8 /* channels */ 155 156 #define MAKE_WORD(h,l) (((h) << 8) | (l)) 157 #define BIT_TEST(bm,bno) (((bm)[(bno) / 8] >> (7 - ((bno) % 8))) & 1) 158 #define UAUDIO_MAX_CHAN(x) (x) 159 #define MIX(sc) ((sc)->sc_mixer_node) 160 161 union uaudio_asid { 162 const struct usb_audio_streaming_interface_descriptor *v1; 163 const struct usb_audio20_streaming_interface_descriptor *v2; 164 }; 165 166 union uaudio_asf1d { 167 const struct usb_audio_streaming_type1_descriptor *v1; 168 const struct usb_audio20_streaming_type1_descriptor *v2; 169 }; 170 171 union uaudio_sed { 172 const struct usb_audio_streaming_endpoint_descriptor *v1; 173 const struct usb_audio20_streaming_endpoint_descriptor *v2; 174 }; 175 176 struct uaudio_mixer_node { 177 const char *name; 178 179 int32_t minval; 180 int32_t maxval; 181 #define MIX_MAX_CHAN 16 182 int32_t wValue[MIX_MAX_CHAN]; /* using nchan */ 183 uint32_t mul; 184 uint32_t ctl; 185 186 int wData[MIX_MAX_CHAN]; /* using nchan */ 187 uint16_t wIndex; 188 189 uint8_t update[(MIX_MAX_CHAN + 7) / 8]; 190 uint8_t nchan; 191 uint8_t type; 192 #define MIX_ON_OFF 1 193 #define MIX_SIGNED_16 2 194 #define MIX_UNSIGNED_16 3 195 #define MIX_SIGNED_8 4 196 #define MIX_SELECTOR 5 197 #define MIX_UNKNOWN 6 198 #define MIX_SIZE(n) ((((n) == MIX_SIGNED_16) || \ 199 ((n) == MIX_UNSIGNED_16)) ? 2 : 1) 200 #define MIX_UNSIGNED(n) ((n) == MIX_UNSIGNED_16) 201 202 #define MAX_SELECTOR_INPUT_PIN 256 203 uint8_t slctrtype[MAX_SELECTOR_INPUT_PIN]; 204 uint8_t val_default; 205 206 uint8_t desc[64]; 207 208 struct uaudio_mixer_node *next; 209 }; 210 211 struct uaudio_configure_msg { 212 struct usb_proc_msg hdr; 213 struct uaudio_softc *sc; 214 }; 215 216 #define CHAN_MAX_ALT 24 217 218 struct uaudio_chan_alt { 219 union uaudio_asf1d p_asf1d; 220 union uaudio_sed p_sed; 221 const usb_endpoint_descriptor_audio_t *p_ed1; 222 const struct uaudio_format *p_fmt; 223 const struct usb_config *usb_cfg; 224 uint32_t sample_rate; /* in Hz */ 225 uint16_t sample_size; 226 uint8_t iface_index; 227 uint8_t iface_alt_index; 228 uint8_t channels; 229 }; 230 231 struct uaudio_chan { 232 struct pcmchan_caps pcm_cap; /* capabilities */ 233 struct uaudio_chan_alt usb_alt[CHAN_MAX_ALT]; 234 struct snd_dbuf *pcm_buf; 235 struct mtx *pcm_mtx; /* lock protecting this structure */ 236 struct uaudio_softc *priv_sc; 237 struct pcm_channel *pcm_ch; 238 struct usb_xfer *xfer[UAUDIO_NCHANBUFS + 1]; 239 240 uint8_t *buf; /* pointer to buffer */ 241 uint8_t *start; /* upper layer buffer start */ 242 uint8_t *end; /* upper layer buffer end */ 243 uint8_t *cur; /* current position in upper layer 244 * buffer */ 245 246 uint32_t intr_frames; /* in units */ 247 uint32_t frames_per_second; 248 uint32_t sample_rem; 249 uint32_t sample_curr; 250 uint32_t max_buf; 251 int32_t jitter_rem; 252 int32_t jitter_curr; 253 254 int feedback_rate; 255 256 uint32_t pcm_format[2]; 257 258 uint16_t bytes_per_frame[2]; 259 260 uint32_t intr_counter; 261 uint32_t running; 262 uint32_t num_alt; 263 uint32_t cur_alt; 264 uint32_t set_alt; 265 uint32_t operation; 266 #define CHAN_OP_NONE 0 267 #define CHAN_OP_START 1 268 #define CHAN_OP_STOP 2 269 #define CHAN_OP_DRAIN 3 270 271 uint8_t iface_index; 272 }; 273 274 #define UMIDI_EMB_JACK_MAX 16 /* units */ 275 #define UMIDI_TX_FRAMES 256 /* units */ 276 #define UMIDI_TX_BUFFER (UMIDI_TX_FRAMES * 4) /* bytes */ 277 278 enum { 279 UMIDI_TX_TRANSFER, 280 UMIDI_RX_TRANSFER, 281 UMIDI_N_TRANSFER, 282 }; 283 284 struct umidi_sub_chan { 285 struct usb_fifo_sc fifo; 286 uint8_t *temp_cmd; 287 uint8_t temp_0[4]; 288 uint8_t temp_1[4]; 289 uint8_t state; 290 #define UMIDI_ST_UNKNOWN 0 /* scan for command */ 291 #define UMIDI_ST_1PARAM 1 292 #define UMIDI_ST_2PARAM_1 2 293 #define UMIDI_ST_2PARAM_2 3 294 #define UMIDI_ST_SYSEX_0 4 295 #define UMIDI_ST_SYSEX_1 5 296 #define UMIDI_ST_SYSEX_2 6 297 298 uint8_t read_open:1; 299 uint8_t write_open:1; 300 uint8_t unused:6; 301 }; 302 303 struct umidi_chan { 304 struct umidi_sub_chan sub[UMIDI_EMB_JACK_MAX]; 305 struct mtx mtx; 306 307 struct usb_xfer *xfer[UMIDI_N_TRANSFER]; 308 309 uint8_t iface_index; 310 uint8_t iface_alt_index; 311 312 uint8_t read_open_refcount; 313 uint8_t write_open_refcount; 314 315 uint8_t curr_cable; 316 uint8_t max_emb_jack; 317 uint8_t valid; 318 uint8_t single_command; 319 }; 320 321 struct uaudio_search_result { 322 uint8_t bit_input[(256 + 7) / 8]; 323 uint8_t bit_output[(256 + 7) / 8]; 324 uint8_t recurse_level; 325 uint8_t id_max; 326 uint8_t is_input; 327 }; 328 329 enum { 330 UAUDIO_HID_RX_TRANSFER, 331 UAUDIO_HID_N_TRANSFER, 332 }; 333 334 struct uaudio_hid { 335 struct usb_xfer *xfer[UAUDIO_HID_N_TRANSFER]; 336 struct hid_location volume_up_loc; 337 struct hid_location volume_down_loc; 338 struct hid_location mute_loc; 339 uint32_t flags; 340 #define UAUDIO_HID_VALID 0x0001 341 #define UAUDIO_HID_HAS_ID 0x0002 342 #define UAUDIO_HID_HAS_VOLUME_UP 0x0004 343 #define UAUDIO_HID_HAS_VOLUME_DOWN 0x0008 344 #define UAUDIO_HID_HAS_MUTE 0x0010 345 uint8_t iface_index; 346 uint8_t volume_up_id; 347 uint8_t volume_down_id; 348 uint8_t mute_id; 349 }; 350 351 #define UAUDIO_SPDIF_OUT 0x01 /* Enable S/PDIF output */ 352 #define UAUDIO_SPDIF_OUT_48K 0x02 /* Out sample rate = 48K */ 353 #define UAUDIO_SPDIF_OUT_96K 0x04 /* Out sample rate = 96K */ 354 #define UAUDIO_SPDIF_IN_MIX 0x10 /* Input mix enable */ 355 356 #define UAUDIO_MAX_CHILD 2 357 358 struct uaudio_softc_child { 359 device_t pcm_device; 360 struct mtx *mixer_lock; 361 struct snd_mixer *mixer_dev; 362 363 uint32_t mix_info; 364 uint32_t recsrc_info; 365 366 uint8_t pcm_registered:1; 367 uint8_t mixer_init:1; 368 }; 369 370 struct uaudio_softc { 371 struct sndcard_func sc_sndcard_func; 372 struct uaudio_chan sc_rec_chan[UAUDIO_MAX_CHILD]; 373 struct uaudio_chan sc_play_chan[UAUDIO_MAX_CHILD]; 374 struct umidi_chan sc_midi_chan; 375 struct uaudio_hid sc_hid; 376 struct uaudio_search_result sc_mixer_clocks; 377 struct uaudio_mixer_node sc_mixer_node; 378 struct uaudio_configure_msg sc_config_msg[2]; 379 struct uaudio_softc_child sc_child[UAUDIO_MAX_CHILD]; 380 381 struct usb_device *sc_udev; 382 struct usb_xfer *sc_mixer_xfer[1]; 383 struct uaudio_mixer_node *sc_mixer_root; 384 struct uaudio_mixer_node *sc_mixer_curr; 385 int (*sc_set_spdif_fn) (struct uaudio_softc *, int); 386 387 uint16_t sc_audio_rev; 388 uint16_t sc_mixer_count; 389 390 uint8_t sc_mixer_iface_index; 391 uint8_t sc_mixer_iface_no; 392 uint8_t sc_mixer_chan; 393 uint8_t sc_uq_audio_swap_lr:1; 394 uint8_t sc_uq_au_inp_async:1; 395 uint8_t sc_uq_au_no_xu:1; 396 uint8_t sc_uq_bad_adc:1; 397 uint8_t sc_uq_au_vendor_class:1; 398 uint8_t sc_pcm_bitperfect:1; 399 }; 400 401 struct uaudio_terminal_node { 402 union { 403 const struct usb_descriptor *desc; 404 const struct usb_audio_input_terminal *it_v1; 405 const struct usb_audio_output_terminal *ot_v1; 406 const struct usb_audio_mixer_unit_0 *mu_v1; 407 const struct usb_audio_selector_unit *su_v1; 408 const struct usb_audio_feature_unit *fu_v1; 409 const struct usb_audio_processing_unit_0 *pu_v1; 410 const struct usb_audio_extension_unit_0 *eu_v1; 411 const struct usb_audio20_clock_source_unit *csrc_v2; 412 const struct usb_audio20_clock_selector_unit_0 *csel_v2; 413 const struct usb_audio20_clock_multiplier_unit *cmul_v2; 414 const struct usb_audio20_input_terminal *it_v2; 415 const struct usb_audio20_output_terminal *ot_v2; 416 const struct usb_audio20_mixer_unit_0 *mu_v2; 417 const struct usb_audio20_selector_unit *su_v2; 418 const struct usb_audio20_feature_unit *fu_v2; 419 const struct usb_audio20_sample_rate_unit *ru_v2; 420 const struct usb_audio20_processing_unit_0 *pu_v2; 421 const struct usb_audio20_extension_unit_0 *eu_v2; 422 const struct usb_audio20_effect_unit *ef_v2; 423 } u; 424 struct uaudio_search_result usr; 425 struct uaudio_terminal_node *root; 426 }; 427 428 struct uaudio_format { 429 uint16_t wFormat; 430 uint8_t bPrecision; 431 uint32_t freebsd_fmt; 432 const char *description; 433 }; 434 435 static const struct uaudio_format uaudio10_formats[] = { 436 {UA_FMT_PCM8, 8, AFMT_U8, "8-bit U-LE PCM"}, 437 {UA_FMT_PCM8, 16, AFMT_U16_LE, "16-bit U-LE PCM"}, 438 {UA_FMT_PCM8, 24, AFMT_U24_LE, "24-bit U-LE PCM"}, 439 {UA_FMT_PCM8, 32, AFMT_U32_LE, "32-bit U-LE PCM"}, 440 441 {UA_FMT_PCM, 8, AFMT_S8, "8-bit S-LE PCM"}, 442 {UA_FMT_PCM, 16, AFMT_S16_LE, "16-bit S-LE PCM"}, 443 {UA_FMT_PCM, 24, AFMT_S24_LE, "24-bit S-LE PCM"}, 444 {UA_FMT_PCM, 32, AFMT_S32_LE, "32-bit S-LE PCM"}, 445 446 {UA_FMT_ALAW, 8, AFMT_A_LAW, "8-bit A-Law"}, 447 {UA_FMT_MULAW, 8, AFMT_MU_LAW, "8-bit mu-Law"}, 448 {0, 0, 0, NULL} 449 }; 450 451 static const struct uaudio_format uaudio20_formats[] = { 452 {UA20_FMT_PCM, 8, AFMT_S8, "8-bit S-LE PCM"}, 453 {UA20_FMT_PCM, 16, AFMT_S16_LE, "16-bit S-LE PCM"}, 454 {UA20_FMT_PCM, 24, AFMT_S24_LE, "24-bit S-LE PCM"}, 455 {UA20_FMT_PCM, 32, AFMT_S32_LE, "32-bit S-LE PCM"}, 456 457 {UA20_FMT_PCM8, 8, AFMT_U8, "8-bit U-LE PCM"}, 458 {UA20_FMT_PCM8, 16, AFMT_U16_LE, "16-bit U-LE PCM"}, 459 {UA20_FMT_PCM8, 24, AFMT_U24_LE, "24-bit U-LE PCM"}, 460 {UA20_FMT_PCM8, 32, AFMT_U32_LE, "32-bit U-LE PCM"}, 461 462 {UA20_FMT_ALAW, 8, AFMT_A_LAW, "8-bit A-Law"}, 463 {UA20_FMT_MULAW, 8, AFMT_MU_LAW, "8-bit mu-Law"}, 464 {0, 0, 0, NULL} 465 }; 466 467 /* prototypes */ 468 469 static device_probe_t uaudio_probe; 470 static device_attach_t uaudio_attach; 471 static device_detach_t uaudio_detach; 472 473 static usb_callback_t uaudio_chan_play_callback; 474 static usb_callback_t uaudio_chan_play_sync_callback; 475 static usb_callback_t uaudio_chan_record_callback; 476 static usb_callback_t uaudio_chan_record_sync_callback; 477 static usb_callback_t uaudio_mixer_write_cfg_callback; 478 static usb_callback_t umidi_bulk_read_callback; 479 static usb_callback_t umidi_bulk_write_callback; 480 static usb_callback_t uaudio_hid_rx_callback; 481 482 static usb_proc_callback_t uaudio_configure_msg; 483 484 /* ==== USB mixer ==== */ 485 486 static int uaudio_mixer_sysctl_handler(SYSCTL_HANDLER_ARGS); 487 static void uaudio_mixer_ctl_free(struct uaudio_softc *); 488 static void uaudio_mixer_register_sysctl(struct uaudio_softc *, device_t, unsigned); 489 static void uaudio_mixer_reload_all(struct uaudio_softc *); 490 static void uaudio_mixer_controls_create_ftu(struct uaudio_softc *); 491 492 /* ==== USB audio v1.0 ==== */ 493 494 static void uaudio_mixer_add_mixer(struct uaudio_softc *, 495 const struct uaudio_terminal_node *, int); 496 static void uaudio_mixer_add_selector(struct uaudio_softc *, 497 const struct uaudio_terminal_node *, int); 498 static uint32_t uaudio_mixer_feature_get_bmaControls( 499 const struct usb_audio_feature_unit *, uint8_t); 500 static void uaudio_mixer_add_feature(struct uaudio_softc *, 501 const struct uaudio_terminal_node *, int); 502 static void uaudio_mixer_add_processing_updown(struct uaudio_softc *, 503 const struct uaudio_terminal_node *, int); 504 static void uaudio_mixer_add_processing(struct uaudio_softc *, 505 const struct uaudio_terminal_node *, int); 506 static void uaudio_mixer_add_extension(struct uaudio_softc *, 507 const struct uaudio_terminal_node *, int); 508 static struct usb_audio_cluster uaudio_mixer_get_cluster(uint8_t, 509 const struct uaudio_terminal_node *); 510 static uint16_t uaudio_mixer_determine_class(const struct uaudio_terminal_node *); 511 static void uaudio_mixer_find_inputs_sub(struct uaudio_terminal_node *, 512 const uint8_t *, uint8_t, struct uaudio_search_result *); 513 static const void *uaudio_mixer_verify_desc(const void *, uint32_t); 514 static usb_error_t uaudio_set_speed(struct usb_device *, uint8_t, uint32_t); 515 static int uaudio_mixer_get(struct usb_device *, uint16_t, uint8_t, 516 struct uaudio_mixer_node *); 517 518 /* ==== USB audio v2.0 ==== */ 519 520 static void uaudio20_mixer_add_mixer(struct uaudio_softc *, 521 const struct uaudio_terminal_node *, int); 522 static void uaudio20_mixer_add_selector(struct uaudio_softc *, 523 const struct uaudio_terminal_node *, int); 524 static void uaudio20_mixer_add_feature(struct uaudio_softc *, 525 const struct uaudio_terminal_node *, int); 526 static struct usb_audio20_cluster uaudio20_mixer_get_cluster(uint8_t, 527 const struct uaudio_terminal_node *); 528 static uint16_t uaudio20_mixer_determine_class(const struct uaudio_terminal_node *); 529 static void uaudio20_mixer_find_inputs_sub(struct uaudio_terminal_node *, 530 const uint8_t *, uint8_t, struct uaudio_search_result *); 531 static const void *uaudio20_mixer_verify_desc(const void *, uint32_t); 532 static usb_error_t uaudio20_set_speed(struct usb_device *, uint8_t, 533 uint8_t, uint32_t); 534 535 /* USB audio v1.0 and v2.0 */ 536 537 static void uaudio_chan_fill_info_sub(struct uaudio_softc *, 538 struct usb_device *, uint32_t, uint8_t, uint8_t); 539 static void uaudio_chan_fill_info(struct uaudio_softc *, 540 struct usb_device *); 541 static void uaudio_mixer_add_ctl_sub(struct uaudio_softc *, 542 struct uaudio_mixer_node *); 543 static void uaudio_mixer_add_ctl(struct uaudio_softc *, 544 struct uaudio_mixer_node *); 545 static void uaudio_mixer_fill_info(struct uaudio_softc *, 546 struct usb_device *, void *); 547 static int uaudio_mixer_signext(uint8_t, int); 548 static void uaudio_mixer_init(struct uaudio_softc *, unsigned); 549 static uint8_t umidi_convert_to_usb(struct umidi_sub_chan *, uint8_t, uint8_t); 550 static struct umidi_sub_chan *umidi_sub_by_fifo(struct usb_fifo *); 551 static void umidi_start_read(struct usb_fifo *); 552 static void umidi_stop_read(struct usb_fifo *); 553 static void umidi_start_write(struct usb_fifo *); 554 static void umidi_stop_write(struct usb_fifo *); 555 static int umidi_open(struct usb_fifo *, int); 556 static int umidi_ioctl(struct usb_fifo *, u_long cmd, void *, int); 557 static void umidi_close(struct usb_fifo *, int); 558 static void umidi_init(device_t dev); 559 static int umidi_probe(device_t dev); 560 static int umidi_detach(device_t dev); 561 static int uaudio_hid_probe(struct uaudio_softc *sc, 562 struct usb_attach_arg *uaa); 563 static void uaudio_hid_detach(struct uaudio_softc *sc); 564 565 #ifdef USB_DEBUG 566 static void uaudio_chan_dump_ep_desc( 567 const usb_endpoint_descriptor_audio_t *); 568 #endif 569 570 static const struct usb_config 571 uaudio_cfg_record[UAUDIO_NCHANBUFS + 1] = { 572 [0] = { 573 .type = UE_ISOCHRONOUS, 574 .endpoint = UE_ADDR_ANY, 575 .direction = UE_DIR_IN, 576 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 577 .frames = UAUDIO_NFRAMES, 578 .flags = {.short_xfer_ok = 1,}, 579 .callback = &uaudio_chan_record_callback, 580 }, 581 582 [1] = { 583 .type = UE_ISOCHRONOUS, 584 .endpoint = UE_ADDR_ANY, 585 .direction = UE_DIR_IN, 586 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 587 .frames = UAUDIO_NFRAMES, 588 .flags = {.short_xfer_ok = 1,}, 589 .callback = &uaudio_chan_record_callback, 590 }, 591 592 [2] = { 593 .type = UE_ISOCHRONOUS, 594 .endpoint = UE_ADDR_ANY, 595 .direction = UE_DIR_OUT, 596 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 597 .frames = 1, 598 .flags = {.no_pipe_ok = 1,.short_xfer_ok = 1,}, 599 .callback = &uaudio_chan_record_sync_callback, 600 }, 601 }; 602 603 static const struct usb_config 604 uaudio_cfg_play[UAUDIO_NCHANBUFS + 1] = { 605 [0] = { 606 .type = UE_ISOCHRONOUS, 607 .endpoint = UE_ADDR_ANY, 608 .direction = UE_DIR_OUT, 609 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 610 .frames = UAUDIO_NFRAMES, 611 .flags = {.short_xfer_ok = 1,}, 612 .callback = &uaudio_chan_play_callback, 613 }, 614 615 [1] = { 616 .type = UE_ISOCHRONOUS, 617 .endpoint = UE_ADDR_ANY, 618 .direction = UE_DIR_OUT, 619 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 620 .frames = UAUDIO_NFRAMES, 621 .flags = {.short_xfer_ok = 1,}, 622 .callback = &uaudio_chan_play_callback, 623 }, 624 625 [2] = { 626 .type = UE_ISOCHRONOUS, 627 .endpoint = UE_ADDR_ANY, 628 .direction = UE_DIR_IN, 629 .bufsize = 0, /* use "wMaxPacketSize * frames" */ 630 .frames = 1, 631 .flags = {.no_pipe_ok = 1,.short_xfer_ok = 1,}, 632 .callback = &uaudio_chan_play_sync_callback, 633 }, 634 }; 635 636 static const struct usb_config 637 uaudio_mixer_config[1] = { 638 [0] = { 639 .type = UE_CONTROL, 640 .endpoint = 0x00, /* Control pipe */ 641 .direction = UE_DIR_ANY, 642 .bufsize = (sizeof(struct usb_device_request) + 4), 643 .callback = &uaudio_mixer_write_cfg_callback, 644 .timeout = 1000, /* 1 second */ 645 }, 646 }; 647 648 static const 649 uint8_t umidi_cmd_to_len[16] = { 650 [0x0] = 0, /* reserved */ 651 [0x1] = 0, /* reserved */ 652 [0x2] = 2, /* bytes */ 653 [0x3] = 3, /* bytes */ 654 [0x4] = 3, /* bytes */ 655 [0x5] = 1, /* bytes */ 656 [0x6] = 2, /* bytes */ 657 [0x7] = 3, /* bytes */ 658 [0x8] = 3, /* bytes */ 659 [0x9] = 3, /* bytes */ 660 [0xA] = 3, /* bytes */ 661 [0xB] = 3, /* bytes */ 662 [0xC] = 2, /* bytes */ 663 [0xD] = 2, /* bytes */ 664 [0xE] = 3, /* bytes */ 665 [0xF] = 1, /* bytes */ 666 }; 667 668 static const struct usb_config 669 umidi_config[UMIDI_N_TRANSFER] = { 670 [UMIDI_TX_TRANSFER] = { 671 .type = UE_BULK, 672 .endpoint = UE_ADDR_ANY, 673 .direction = UE_DIR_OUT, 674 .bufsize = UMIDI_TX_BUFFER, 675 .flags = {.no_pipe_ok = 1}, 676 .callback = &umidi_bulk_write_callback, 677 }, 678 679 [UMIDI_RX_TRANSFER] = { 680 .type = UE_BULK, 681 .endpoint = UE_ADDR_ANY, 682 .direction = UE_DIR_IN, 683 .bufsize = 4, /* bytes */ 684 .flags = {.short_xfer_ok = 1,.proxy_buffer = 1,.no_pipe_ok = 1}, 685 .callback = &umidi_bulk_read_callback, 686 }, 687 }; 688 689 static const struct usb_config 690 uaudio_hid_config[UAUDIO_HID_N_TRANSFER] = { 691 [UAUDIO_HID_RX_TRANSFER] = { 692 .type = UE_INTERRUPT, 693 .endpoint = UE_ADDR_ANY, 694 .direction = UE_DIR_IN, 695 .bufsize = 0, /* use wMaxPacketSize */ 696 .flags = {.short_xfer_ok = 1,}, 697 .callback = &uaudio_hid_rx_callback, 698 }, 699 }; 700 701 static device_method_t uaudio_methods[] = { 702 DEVMETHOD(device_probe, uaudio_probe), 703 DEVMETHOD(device_attach, uaudio_attach), 704 DEVMETHOD(device_detach, uaudio_detach), 705 DEVMETHOD(device_suspend, bus_generic_suspend), 706 DEVMETHOD(device_resume, bus_generic_resume), 707 DEVMETHOD(device_shutdown, bus_generic_shutdown), 708 709 DEVMETHOD_END 710 }; 711 712 static driver_t uaudio_driver = { 713 .name = "uaudio", 714 .methods = uaudio_methods, 715 .size = sizeof(struct uaudio_softc), 716 }; 717 718 /* The following table is derived from Linux's quirks-table.h */ 719 static const STRUCT_USB_HOST_ID uaudio_vendor_midi[] = { 720 { USB_VPI(USB_VENDOR_YAMAHA, 0x1000, 0) }, /* UX256 */ 721 { USB_VPI(USB_VENDOR_YAMAHA, 0x1001, 0) }, /* MU1000 */ 722 { USB_VPI(USB_VENDOR_YAMAHA, 0x1002, 0) }, /* MU2000 */ 723 { USB_VPI(USB_VENDOR_YAMAHA, 0x1003, 0) }, /* MU500 */ 724 { USB_VPI(USB_VENDOR_YAMAHA, 0x1004, 3) }, /* UW500 */ 725 { USB_VPI(USB_VENDOR_YAMAHA, 0x1005, 0) }, /* MOTIF6 */ 726 { USB_VPI(USB_VENDOR_YAMAHA, 0x1006, 0) }, /* MOTIF7 */ 727 { USB_VPI(USB_VENDOR_YAMAHA, 0x1007, 0) }, /* MOTIF8 */ 728 { USB_VPI(USB_VENDOR_YAMAHA, 0x1008, 0) }, /* UX96 */ 729 { USB_VPI(USB_VENDOR_YAMAHA, 0x1009, 0) }, /* UX16 */ 730 { USB_VPI(USB_VENDOR_YAMAHA, 0x100a, 3) }, /* EOS BX */ 731 { USB_VPI(USB_VENDOR_YAMAHA, 0x100c, 0) }, /* UC-MX */ 732 { USB_VPI(USB_VENDOR_YAMAHA, 0x100d, 0) }, /* UC-KX */ 733 { USB_VPI(USB_VENDOR_YAMAHA, 0x100e, 0) }, /* S08 */ 734 { USB_VPI(USB_VENDOR_YAMAHA, 0x100f, 0) }, /* CLP-150 */ 735 { USB_VPI(USB_VENDOR_YAMAHA, 0x1010, 0) }, /* CLP-170 */ 736 { USB_VPI(USB_VENDOR_YAMAHA, 0x1011, 0) }, /* P-250 */ 737 { USB_VPI(USB_VENDOR_YAMAHA, 0x1012, 0) }, /* TYROS */ 738 { USB_VPI(USB_VENDOR_YAMAHA, 0x1013, 0) }, /* PF-500 */ 739 { USB_VPI(USB_VENDOR_YAMAHA, 0x1014, 0) }, /* S90 */ 740 { USB_VPI(USB_VENDOR_YAMAHA, 0x1015, 0) }, /* MOTIF-R */ 741 { USB_VPI(USB_VENDOR_YAMAHA, 0x1016, 0) }, /* MDP-5 */ 742 { USB_VPI(USB_VENDOR_YAMAHA, 0x1017, 0) }, /* CVP-204 */ 743 { USB_VPI(USB_VENDOR_YAMAHA, 0x1018, 0) }, /* CVP-206 */ 744 { USB_VPI(USB_VENDOR_YAMAHA, 0x1019, 0) }, /* CVP-208 */ 745 { USB_VPI(USB_VENDOR_YAMAHA, 0x101a, 0) }, /* CVP-210 */ 746 { USB_VPI(USB_VENDOR_YAMAHA, 0x101b, 0) }, /* PSR-1100 */ 747 { USB_VPI(USB_VENDOR_YAMAHA, 0x101c, 0) }, /* PSR-2100 */ 748 { USB_VPI(USB_VENDOR_YAMAHA, 0x101d, 0) }, /* CLP-175 */ 749 { USB_VPI(USB_VENDOR_YAMAHA, 0x101e, 0) }, /* PSR-K1 */ 750 { USB_VPI(USB_VENDOR_YAMAHA, 0x101f, 0) }, /* EZ-J24 */ 751 { USB_VPI(USB_VENDOR_YAMAHA, 0x1020, 0) }, /* EZ-250i */ 752 { USB_VPI(USB_VENDOR_YAMAHA, 0x1021, 0) }, /* MOTIF ES 6 */ 753 { USB_VPI(USB_VENDOR_YAMAHA, 0x1022, 0) }, /* MOTIF ES 7 */ 754 { USB_VPI(USB_VENDOR_YAMAHA, 0x1023, 0) }, /* MOTIF ES 8 */ 755 { USB_VPI(USB_VENDOR_YAMAHA, 0x1024, 0) }, /* CVP-301 */ 756 { USB_VPI(USB_VENDOR_YAMAHA, 0x1025, 0) }, /* CVP-303 */ 757 { USB_VPI(USB_VENDOR_YAMAHA, 0x1026, 0) }, /* CVP-305 */ 758 { USB_VPI(USB_VENDOR_YAMAHA, 0x1027, 0) }, /* CVP-307 */ 759 { USB_VPI(USB_VENDOR_YAMAHA, 0x1028, 0) }, /* CVP-309 */ 760 { USB_VPI(USB_VENDOR_YAMAHA, 0x1029, 0) }, /* CVP-309GP */ 761 { USB_VPI(USB_VENDOR_YAMAHA, 0x102a, 0) }, /* PSR-1500 */ 762 { USB_VPI(USB_VENDOR_YAMAHA, 0x102b, 0) }, /* PSR-3000 */ 763 { USB_VPI(USB_VENDOR_YAMAHA, 0x102e, 0) }, /* ELS-01/01C */ 764 { USB_VPI(USB_VENDOR_YAMAHA, 0x1030, 0) }, /* PSR-295/293 */ 765 { USB_VPI(USB_VENDOR_YAMAHA, 0x1031, 0) }, /* DGX-205/203 */ 766 { USB_VPI(USB_VENDOR_YAMAHA, 0x1032, 0) }, /* DGX-305 */ 767 { USB_VPI(USB_VENDOR_YAMAHA, 0x1033, 0) }, /* DGX-505 */ 768 { USB_VPI(USB_VENDOR_YAMAHA, 0x1034, 0) }, /* NULL */ 769 { USB_VPI(USB_VENDOR_YAMAHA, 0x1035, 0) }, /* NULL */ 770 { USB_VPI(USB_VENDOR_YAMAHA, 0x1036, 0) }, /* NULL */ 771 { USB_VPI(USB_VENDOR_YAMAHA, 0x1037, 0) }, /* NULL */ 772 { USB_VPI(USB_VENDOR_YAMAHA, 0x1038, 0) }, /* NULL */ 773 { USB_VPI(USB_VENDOR_YAMAHA, 0x1039, 0) }, /* NULL */ 774 { USB_VPI(USB_VENDOR_YAMAHA, 0x103a, 0) }, /* NULL */ 775 { USB_VPI(USB_VENDOR_YAMAHA, 0x103b, 0) }, /* NULL */ 776 { USB_VPI(USB_VENDOR_YAMAHA, 0x103c, 0) }, /* NULL */ 777 { USB_VPI(USB_VENDOR_YAMAHA, 0x103d, 0) }, /* NULL */ 778 { USB_VPI(USB_VENDOR_YAMAHA, 0x103e, 0) }, /* NULL */ 779 { USB_VPI(USB_VENDOR_YAMAHA, 0x103f, 0) }, /* NULL */ 780 { USB_VPI(USB_VENDOR_YAMAHA, 0x1040, 0) }, /* NULL */ 781 { USB_VPI(USB_VENDOR_YAMAHA, 0x1041, 0) }, /* NULL */ 782 { USB_VPI(USB_VENDOR_YAMAHA, 0x1042, 0) }, /* NULL */ 783 { USB_VPI(USB_VENDOR_YAMAHA, 0x1043, 0) }, /* NULL */ 784 { USB_VPI(USB_VENDOR_YAMAHA, 0x1044, 0) }, /* NULL */ 785 { USB_VPI(USB_VENDOR_YAMAHA, 0x1045, 0) }, /* NULL */ 786 { USB_VPI(USB_VENDOR_YAMAHA, 0x104e, 0) }, /* NULL */ 787 { USB_VPI(USB_VENDOR_YAMAHA, 0x104f, 0) }, /* NULL */ 788 { USB_VPI(USB_VENDOR_YAMAHA, 0x1050, 0) }, /* NULL */ 789 { USB_VPI(USB_VENDOR_YAMAHA, 0x1051, 0) }, /* NULL */ 790 { USB_VPI(USB_VENDOR_YAMAHA, 0x1052, 0) }, /* NULL */ 791 { USB_VPI(USB_VENDOR_YAMAHA, 0x1053, 0) }, /* NULL */ 792 { USB_VPI(USB_VENDOR_YAMAHA, 0x1054, 0) }, /* NULL */ 793 { USB_VPI(USB_VENDOR_YAMAHA, 0x1055, 0) }, /* NULL */ 794 { USB_VPI(USB_VENDOR_YAMAHA, 0x1056, 0) }, /* NULL */ 795 { USB_VPI(USB_VENDOR_YAMAHA, 0x1057, 0) }, /* NULL */ 796 { USB_VPI(USB_VENDOR_YAMAHA, 0x1058, 0) }, /* NULL */ 797 { USB_VPI(USB_VENDOR_YAMAHA, 0x1059, 0) }, /* NULL */ 798 { USB_VPI(USB_VENDOR_YAMAHA, 0x105a, 0) }, /* NULL */ 799 { USB_VPI(USB_VENDOR_YAMAHA, 0x105b, 0) }, /* NULL */ 800 { USB_VPI(USB_VENDOR_YAMAHA, 0x105c, 0) }, /* NULL */ 801 { USB_VPI(USB_VENDOR_YAMAHA, 0x105d, 0) }, /* NULL */ 802 { USB_VPI(USB_VENDOR_YAMAHA, 0x1503, 3) }, /* MOX6/MOX8 */ 803 { USB_VPI(USB_VENDOR_YAMAHA, 0x2000, 0) }, /* DGP-7 */ 804 { USB_VPI(USB_VENDOR_YAMAHA, 0x2001, 0) }, /* DGP-5 */ 805 { USB_VPI(USB_VENDOR_YAMAHA, 0x2002, 0) }, /* NULL */ 806 { USB_VPI(USB_VENDOR_YAMAHA, 0x2003, 0) }, /* NULL */ 807 { USB_VPI(USB_VENDOR_YAMAHA, 0x5000, 0) }, /* CS1D */ 808 { USB_VPI(USB_VENDOR_YAMAHA, 0x5001, 0) }, /* DSP1D */ 809 { USB_VPI(USB_VENDOR_YAMAHA, 0x5002, 0) }, /* DME32 */ 810 { USB_VPI(USB_VENDOR_YAMAHA, 0x5003, 0) }, /* DM2000 */ 811 { USB_VPI(USB_VENDOR_YAMAHA, 0x5004, 0) }, /* 02R96 */ 812 { USB_VPI(USB_VENDOR_YAMAHA, 0x5005, 0) }, /* ACU16-C */ 813 { USB_VPI(USB_VENDOR_YAMAHA, 0x5006, 0) }, /* NHB32-C */ 814 { USB_VPI(USB_VENDOR_YAMAHA, 0x5007, 0) }, /* DM1000 */ 815 { USB_VPI(USB_VENDOR_YAMAHA, 0x5008, 0) }, /* 01V96 */ 816 { USB_VPI(USB_VENDOR_YAMAHA, 0x5009, 0) }, /* SPX2000 */ 817 { USB_VPI(USB_VENDOR_YAMAHA, 0x500a, 0) }, /* PM5D */ 818 { USB_VPI(USB_VENDOR_YAMAHA, 0x500b, 0) }, /* DME64N */ 819 { USB_VPI(USB_VENDOR_YAMAHA, 0x500c, 0) }, /* DME24N */ 820 { USB_VPI(USB_VENDOR_YAMAHA, 0x500d, 0) }, /* NULL */ 821 { USB_VPI(USB_VENDOR_YAMAHA, 0x500e, 0) }, /* NULL */ 822 { USB_VPI(USB_VENDOR_YAMAHA, 0x500f, 0) }, /* NULL */ 823 { USB_VPI(USB_VENDOR_YAMAHA, 0x7000, 0) }, /* DTX */ 824 { USB_VPI(USB_VENDOR_YAMAHA, 0x7010, 0) }, /* UB99 */ 825 }; 826 827 static const STRUCT_USB_HOST_ID __used uaudio_devs[] = { 828 /* Generic USB audio class match */ 829 {USB_IFACE_CLASS(UICLASS_AUDIO), 830 USB_IFACE_SUBCLASS(UISUBCLASS_AUDIOCONTROL),}, 831 /* Generic USB MIDI class match */ 832 {USB_IFACE_CLASS(UICLASS_AUDIO), 833 USB_IFACE_SUBCLASS(UISUBCLASS_MIDISTREAM),}, 834 }; 835 836 static unsigned 837 uaudio_get_child_index_by_dev(struct uaudio_softc *sc, device_t dev) 838 { 839 unsigned i; 840 841 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 842 if (dev == sc->sc_child[i].pcm_device) 843 return (i); 844 } 845 panic("uaudio_get_child_index_dev: Invalid device: %p\n", dev); 846 return (0); 847 } 848 849 static unsigned 850 uaudio_get_child_index_by_chan(struct uaudio_softc *sc, struct uaudio_chan *ch) 851 { 852 unsigned i; 853 854 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 855 if ((sc->sc_play_chan + i) == ch || 856 (sc->sc_rec_chan + i) == ch) 857 return (i); 858 } 859 panic("uaudio_get_child_index_by_chan: Invalid chan: %p\n", ch); 860 return (0); 861 } 862 863 static int 864 uaudio_probe(device_t dev) 865 { 866 struct usb_attach_arg *uaa = device_get_ivars(dev); 867 868 if (uaa->usb_mode != USB_MODE_HOST) 869 return (ENXIO); 870 871 /* lookup non-standard device(s) */ 872 873 if (usbd_lookup_id_by_uaa(uaudio_vendor_midi, 874 sizeof(uaudio_vendor_midi), uaa) == 0) { 875 return (BUS_PROBE_SPECIFIC); 876 } 877 878 if (uaa->info.bInterfaceClass != UICLASS_AUDIO) { 879 if (uaa->info.bInterfaceClass != UICLASS_VENDOR || 880 usb_test_quirk(uaa, UQ_AU_VENDOR_CLASS) == 0) 881 return (ENXIO); 882 } 883 884 /* check for AUDIO control interface */ 885 886 if (uaa->info.bInterfaceSubClass == UISUBCLASS_AUDIOCONTROL) { 887 if (usb_test_quirk(uaa, UQ_BAD_AUDIO)) 888 return (ENXIO); 889 else 890 return (BUS_PROBE_GENERIC); 891 } 892 893 /* check for MIDI stream */ 894 895 if (uaa->info.bInterfaceSubClass == UISUBCLASS_MIDISTREAM) { 896 if (usb_test_quirk(uaa, UQ_BAD_MIDI)) 897 return (ENXIO); 898 else 899 return (BUS_PROBE_GENERIC); 900 } 901 return (ENXIO); 902 } 903 904 /* 905 * Set Cmedia CM6206 S/PDIF settings 906 * Source: CM6206 Datasheet v2.3. 907 */ 908 static int 909 uaudio_set_spdif_cm6206(struct uaudio_softc *sc, int flags) 910 { 911 uint8_t cmd[2][4] = { 912 {0x20, 0x20, 0x00, 0}, 913 {0x20, 0x30, 0x02, 1} 914 }; 915 int i; 916 917 if (flags & UAUDIO_SPDIF_OUT) 918 cmd[1][1] = 0x00; 919 else 920 cmd[1][1] = 0x02; 921 922 if (flags & UAUDIO_SPDIF_OUT_96K) 923 cmd[0][1] = 0x60; /* 96K: 3'b110 */ 924 925 if (flags & UAUDIO_SPDIF_IN_MIX) 926 cmd[1][1] = 0x03; /* SPDIFMIX */ 927 928 for (i = 0; i < 2; i++) { 929 if (usbd_req_set_report(sc->sc_udev, NULL, 930 cmd[i], sizeof(cmd[0]), 931 sc->sc_mixer_iface_index, UHID_OUTPUT_REPORT, 0) != 0) { 932 return (ENXIO); 933 } 934 } 935 return (0); 936 } 937 938 static int 939 uaudio_set_spdif_dummy(struct uaudio_softc *sc, int flags) 940 { 941 return (0); 942 } 943 944 static usb_error_t 945 uaudio_force_power_save(struct uaudio_softc *sc, uint8_t iface_index) 946 { 947 struct usb_interface *iface; 948 usb_error_t err; 949 950 iface = usbd_get_iface(sc->sc_udev, iface_index); 951 if (iface == NULL || iface->idesc == NULL) 952 return (USB_ERR_INVAL); 953 954 /* check if correct alternate setting is already selected */ 955 if (iface->alt_index == 0) { 956 /* force power save mode by selecting default alternate setting */ 957 err = usbd_req_set_alt_interface_no(sc->sc_udev, NULL, iface_index, 958 iface->idesc->bAlternateSetting); 959 } else { 960 err = usbd_set_alt_interface_index(sc->sc_udev, iface_index, 0); 961 } 962 return (err); 963 } 964 965 static int 966 uaudio_attach(device_t dev) 967 { 968 struct usb_attach_arg *uaa = device_get_ivars(dev); 969 struct uaudio_softc *sc = device_get_softc(dev); 970 struct usb_interface_descriptor *id; 971 usb_error_t err; 972 unsigned i; 973 974 sc->sc_udev = uaa->device; 975 sc->sc_mixer_iface_index = uaa->info.bIfaceIndex; 976 sc->sc_mixer_iface_no = uaa->info.bIfaceNum; 977 sc->sc_config_msg[0].hdr.pm_callback = &uaudio_configure_msg; 978 sc->sc_config_msg[0].sc = sc; 979 sc->sc_config_msg[1].hdr.pm_callback = &uaudio_configure_msg; 980 sc->sc_config_msg[1].sc = sc; 981 982 if (usb_test_quirk(uaa, UQ_AUDIO_SWAP_LR)) 983 sc->sc_uq_audio_swap_lr = 1; 984 985 if (usb_test_quirk(uaa, UQ_AU_INP_ASYNC)) 986 sc->sc_uq_au_inp_async = 1; 987 988 if (usb_test_quirk(uaa, UQ_AU_NO_XU)) 989 sc->sc_uq_au_no_xu = 1; 990 991 if (usb_test_quirk(uaa, UQ_BAD_ADC)) 992 sc->sc_uq_bad_adc = 1; 993 994 if (usb_test_quirk(uaa, UQ_AU_VENDOR_CLASS)) 995 sc->sc_uq_au_vendor_class = 1; 996 997 /* set S/PDIF function */ 998 if (usb_test_quirk(uaa, UQ_AU_SET_SPDIF_CM6206)) 999 sc->sc_set_spdif_fn = uaudio_set_spdif_cm6206; 1000 else 1001 sc->sc_set_spdif_fn = uaudio_set_spdif_dummy; 1002 1003 umidi_init(dev); 1004 1005 device_set_usb_desc(dev); 1006 1007 id = usbd_get_interface_descriptor(uaa->iface); 1008 1009 /* must fill mixer info before channel info */ 1010 uaudio_mixer_fill_info(sc, uaa->device, id); 1011 1012 /* fill channel info */ 1013 uaudio_chan_fill_info(sc, uaa->device); 1014 1015 DPRINTF("audio rev %d.%02x\n", 1016 sc->sc_audio_rev >> 8, 1017 sc->sc_audio_rev & 0xff); 1018 1019 if (sc->sc_mixer_count == 0) { 1020 if (uaa->info.idVendor == USB_VENDOR_MAUDIO && 1021 (uaa->info.idProduct == USB_PRODUCT_MAUDIO_FASTTRACKULTRA || 1022 uaa->info.idProduct == USB_PRODUCT_MAUDIO_FASTTRACKULTRA8R)) { 1023 DPRINTF("Generating mixer descriptors\n"); 1024 uaudio_mixer_controls_create_ftu(sc); 1025 } 1026 } 1027 1028 DPRINTF("%d mixer controls\n", 1029 sc->sc_mixer_count); 1030 1031 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1032 uint8_t x; 1033 1034 if (sc->sc_play_chan[i].num_alt <= 0) 1035 break; 1036 1037 /* 1038 * Need to set a default alternate interface, else 1039 * some USB audio devices might go into an infinite 1040 * re-enumeration loop: 1041 */ 1042 err = uaudio_force_power_save(sc, 1043 sc->sc_play_chan[i].usb_alt[0].iface_index); 1044 if (err) { 1045 DPRINTF("setting of alternate index failed: %s!\n", 1046 usbd_errstr(err)); 1047 } 1048 1049 for (x = 0; x != sc->sc_play_chan[i].num_alt; x++) { 1050 device_printf(dev, "Play[%u]: %d Hz, %d ch, %s format, " 1051 "2x%dms buffer.%s\n", i, 1052 sc->sc_play_chan[i].usb_alt[x].sample_rate, 1053 sc->sc_play_chan[i].usb_alt[x].channels, 1054 sc->sc_play_chan[i].usb_alt[x].p_fmt->description, 1055 uaudio_buffer_ms, 1056 (x == 0) ? " (selected)" : ""); 1057 } 1058 } 1059 if (i == 0) 1060 device_printf(dev, "No playback.\n"); 1061 1062 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1063 uint8_t x; 1064 1065 if (sc->sc_rec_chan[i].num_alt <= 0) 1066 break; 1067 1068 /* 1069 * Need to set a default alternate interface, else 1070 * some USB audio devices might go into an infinite 1071 * re-enumeration loop: 1072 */ 1073 err = uaudio_force_power_save(sc, 1074 sc->sc_rec_chan[i].usb_alt[0].iface_index); 1075 if (err) { 1076 DPRINTF("setting of alternate index failed: %s!\n", 1077 usbd_errstr(err)); 1078 } 1079 1080 for (x = 0; x != sc->sc_rec_chan[i].num_alt; x++) { 1081 device_printf(dev, "Record[%u]: %d Hz, %d ch, %s format, " 1082 "2x%dms buffer.%s\n", i, 1083 sc->sc_rec_chan[i].usb_alt[x].sample_rate, 1084 sc->sc_rec_chan[i].usb_alt[x].channels, 1085 sc->sc_rec_chan[i].usb_alt[x].p_fmt->description, 1086 uaudio_buffer_ms, 1087 (x == 0) ? " (selected)" : ""); 1088 } 1089 } 1090 if (i == 0) 1091 device_printf(dev, "No recording.\n"); 1092 1093 if (sc->sc_midi_chan.valid == 0) { 1094 if (usbd_lookup_id_by_uaa(uaudio_vendor_midi, 1095 sizeof(uaudio_vendor_midi), uaa) == 0) { 1096 sc->sc_midi_chan.iface_index = 1097 (uint8_t)uaa->driver_info; 1098 sc->sc_midi_chan.iface_alt_index = 0; 1099 sc->sc_midi_chan.valid = 1; 1100 } 1101 } 1102 1103 if (sc->sc_midi_chan.valid) { 1104 if (umidi_probe(dev)) { 1105 goto detach; 1106 } 1107 device_printf(dev, "MIDI sequencer.\n"); 1108 } else { 1109 device_printf(dev, "No MIDI sequencer.\n"); 1110 } 1111 1112 DPRINTF("doing child attach\n"); 1113 1114 /* attach the children */ 1115 1116 sc->sc_sndcard_func.func = SCF_PCM; 1117 1118 /* 1119 * Only attach a PCM device if we have a playback, recording 1120 * or mixer device present: 1121 */ 1122 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1123 if (sc->sc_play_chan[i].num_alt <= 0 && 1124 sc->sc_rec_chan[i].num_alt <= 0 && 1125 sc->sc_child[i].mix_info == 0) 1126 continue; 1127 sc->sc_child[i].pcm_device = 1128 device_add_child(dev, "pcm", DEVICE_UNIT_ANY); 1129 1130 if (sc->sc_child[i].pcm_device == NULL) { 1131 DPRINTF("out of memory\n"); 1132 goto detach; 1133 } 1134 device_set_ivars(sc->sc_child[i].pcm_device, 1135 &sc->sc_sndcard_func); 1136 } 1137 1138 bus_attach_children(dev); 1139 1140 if (uaudio_handle_hid) { 1141 if (uaudio_hid_probe(sc, uaa) == 0) { 1142 device_printf(dev, "HID volume keys found.\n"); 1143 } else { 1144 device_printf(dev, "No HID volume keys found.\n"); 1145 } 1146 } 1147 1148 /* reload all mixer settings */ 1149 uaudio_mixer_reload_all(sc); 1150 1151 /* enable S/PDIF output, if any */ 1152 if (sc->sc_set_spdif_fn(sc, 1153 UAUDIO_SPDIF_OUT | UAUDIO_SPDIF_OUT_48K) != 0) { 1154 device_printf(dev, "Failed to enable S/PDIF at 48K\n"); 1155 } 1156 return (0); /* success */ 1157 1158 detach: 1159 uaudio_detach(dev); 1160 return (ENXIO); 1161 } 1162 1163 static void 1164 uaudio_pcm_setflags(device_t dev, uint32_t flags) 1165 { 1166 pcm_setflags(dev, pcm_getflags(dev) | flags); 1167 } 1168 1169 int 1170 uaudio_attach_sub(device_t dev, kobj_class_t mixer_class, kobj_class_t chan_class) 1171 { 1172 struct uaudio_softc *sc = device_get_softc(device_get_parent(dev)); 1173 unsigned i = uaudio_get_child_index_by_dev(sc, dev); 1174 char status[SND_STATUSLEN]; 1175 1176 uaudio_mixer_init(sc, i); 1177 1178 if (sc->sc_uq_audio_swap_lr) { 1179 DPRINTF("hardware has swapped left and right\n"); 1180 /* uaudio_pcm_setflags(dev, SD_F_PSWAPLR); */ 1181 } 1182 if (sc->sc_play_chan[i].num_alt > 0 && 1183 (sc->sc_child[i].mix_info & SOUND_MASK_PCM) == 0) { 1184 DPRINTF("software controlled main volume\n"); 1185 1186 /* 1187 * Emulate missing pcm mixer controller 1188 * through FEEDER_VOLUME 1189 */ 1190 uaudio_pcm_setflags(dev, SD_F_SOFTPCMVOL); 1191 } 1192 if (sc->sc_pcm_bitperfect) { 1193 DPRINTF("device needs bitperfect by default\n"); 1194 uaudio_pcm_setflags(dev, SD_F_BITPERFECT); 1195 } 1196 if (mixer_init(dev, mixer_class, sc)) 1197 goto detach; 1198 sc->sc_child[i].mixer_init = 1; 1199 1200 mixer_hwvol_init(dev); 1201 1202 device_set_descf(dev, "%s %s", 1203 usb_get_manufacturer(sc->sc_udev), 1204 usb_get_product(sc->sc_udev)); 1205 1206 snprintf(status, sizeof(status), "on %s", 1207 device_get_nameunit(device_get_parent(dev))); 1208 1209 pcm_init(dev, sc); 1210 1211 uaudio_pcm_setflags(dev, SD_F_MPSAFE); 1212 1213 if (sc->sc_play_chan[i].num_alt > 0) { 1214 sc->sc_play_chan[i].priv_sc = sc; 1215 pcm_addchan(dev, PCMDIR_PLAY, chan_class, 1216 &sc->sc_play_chan[i]); 1217 } 1218 1219 if (sc->sc_rec_chan[i].num_alt > 0) { 1220 sc->sc_rec_chan[i].priv_sc = sc; 1221 pcm_addchan(dev, PCMDIR_REC, chan_class, 1222 &sc->sc_rec_chan[i]); 1223 } 1224 if (pcm_register(dev, status)) 1225 goto detach; 1226 sc->sc_child[i].pcm_registered = 1; 1227 1228 uaudio_mixer_register_sysctl(sc, dev, i); 1229 1230 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 1231 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, 1232 "feedback_rate", CTLFLAG_RD, &sc->sc_play_chan[i].feedback_rate, 1233 0, "Feedback sample rate in Hz"); 1234 1235 return (0); /* success */ 1236 1237 detach: 1238 uaudio_detach_sub(dev); 1239 return (ENXIO); 1240 } 1241 1242 int 1243 uaudio_detach_sub(device_t dev) 1244 { 1245 struct uaudio_softc *sc = device_get_softc(device_get_parent(dev)); 1246 unsigned i = uaudio_get_child_index_by_dev(sc, dev); 1247 int error = 0; 1248 1249 if (sc->sc_child[i].pcm_registered) { 1250 error = pcm_unregister(dev); 1251 } else if (sc->sc_child[i].mixer_init) { 1252 error = mixer_uninit(dev); 1253 } 1254 1255 return (error); 1256 } 1257 1258 static int 1259 uaudio_detach(device_t dev) 1260 { 1261 struct uaudio_softc *sc = device_get_softc(dev); 1262 unsigned i; 1263 1264 /* 1265 * Stop USB transfers early so that any audio applications 1266 * will time out and close opened /dev/dspX.Y device(s), if 1267 * any. 1268 */ 1269 usb_proc_explore_lock(sc->sc_udev); 1270 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1271 sc->sc_play_chan[i].operation = CHAN_OP_DRAIN; 1272 sc->sc_rec_chan[i].operation = CHAN_OP_DRAIN; 1273 } 1274 usb_proc_explore_mwait(sc->sc_udev, 1275 &sc->sc_config_msg[0], &sc->sc_config_msg[1]); 1276 usb_proc_explore_unlock(sc->sc_udev); 1277 1278 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1279 usbd_transfer_unsetup(sc->sc_play_chan[i].xfer, UAUDIO_NCHANBUFS + 1); 1280 usbd_transfer_unsetup(sc->sc_rec_chan[i].xfer, UAUDIO_NCHANBUFS + 1); 1281 } 1282 1283 uaudio_hid_detach(sc); 1284 1285 if (bus_generic_detach(dev) != 0) { 1286 DPRINTF("detach failed!\n"); 1287 } 1288 1289 umidi_detach(dev); 1290 1291 /* free mixer data */ 1292 1293 uaudio_mixer_ctl_free(sc); 1294 1295 /* disable S/PDIF output, if any */ 1296 (void) sc->sc_set_spdif_fn(sc, 0); 1297 1298 return (0); 1299 } 1300 1301 static uint32_t 1302 uaudio_get_interval_frames(const usb_endpoint_descriptor_audio_t *ed) 1303 { 1304 uint32_t frames = 1; 1305 /* Isochronous transfer interval is 2^(bInterval - 1) frames. */ 1306 if (ed->bInterval >= 1 && ed->bInterval <= 16) 1307 frames = (1 << (ed->bInterval - 1)); 1308 /* Limit transfer interval to maximum number of frames. */ 1309 if (frames > UAUDIO_NFRAMES) 1310 frames = UAUDIO_NFRAMES; 1311 return (frames); 1312 } 1313 1314 static uint32_t 1315 uaudio_get_buffer_ms(struct uaudio_softc *sc, uint32_t int_frames) 1316 { 1317 uint32_t ms = 1; 1318 uint32_t fps = usbd_get_isoc_fps(sc->sc_udev); 1319 /* Make sure a whole USB transfer interval fits into the buffer. */ 1320 if (fps >= 1000 && int_frames > 0 && int_frames <= UAUDIO_NFRAMES) { 1321 /* Convert interval frames to milliseconds. */ 1322 ms = ((int_frames * 1000) / fps); 1323 } 1324 /* Respect minimum buffer length set through buffer_ms tunable. */ 1325 if (ms < uaudio_buffer_ms) 1326 ms = uaudio_buffer_ms; 1327 /* Limit buffer length to 8 milliseconds. */ 1328 if (ms > UAUDIO_BUFFER_MS_MAX) 1329 ms = UAUDIO_BUFFER_MS_MAX; 1330 return (ms); 1331 } 1332 1333 static uint32_t 1334 uaudio_get_buffer_size(struct uaudio_chan *ch, uint8_t alt) 1335 { 1336 struct uaudio_chan_alt *chan_alt = &ch->usb_alt[alt]; 1337 uint32_t int_frames, ms, buf_size; 1338 /* USB transfer interval in frames, from endpoint descriptor. */ 1339 int_frames = uaudio_get_interval_frames(chan_alt->p_ed1); 1340 /* Buffer length in milliseconds, and in bytes of audio data. */ 1341 ms = uaudio_get_buffer_ms(ch->priv_sc, int_frames); 1342 buf_size = chan_alt->sample_size * 1343 howmany(chan_alt->sample_rate * ms, 1000); 1344 return (buf_size); 1345 } 1346 1347 static uint32_t 1348 uaudio_max_buffer_size(struct uaudio_chan *ch, uint8_t alt) 1349 { 1350 struct uaudio_chan_alt *chan_alt = &ch->usb_alt[alt]; 1351 uint32_t buf_size; 1352 /* Maximum buffer length is 8 milliseconds. */ 1353 buf_size = chan_alt->sample_size * 1354 howmany(chan_alt->sample_rate * UAUDIO_BUFFER_MS_MAX, 1000); 1355 return (buf_size); 1356 } 1357 1358 static void 1359 uaudio_configure_msg_sub(struct uaudio_softc *sc, 1360 struct uaudio_chan *chan, int dir) 1361 { 1362 struct uaudio_chan_alt *chan_alt; 1363 uint32_t frames; 1364 uint32_t buf_size; 1365 uint16_t fps; 1366 uint8_t next_alt; 1367 uint8_t fps_shift; 1368 uint8_t operation; 1369 usb_error_t err; 1370 1371 if (chan->num_alt <= 0) 1372 return; 1373 1374 DPRINTF("\n"); 1375 1376 usb_proc_explore_lock(sc->sc_udev); 1377 operation = chan->operation; 1378 switch (operation) { 1379 case CHAN_OP_START: 1380 case CHAN_OP_STOP: 1381 chan->operation = CHAN_OP_NONE; 1382 break; 1383 default: 1384 break; 1385 } 1386 usb_proc_explore_unlock(sc->sc_udev); 1387 1388 switch (operation) { 1389 case CHAN_OP_STOP: 1390 /* Unsetup prior USB transfers, if any. */ 1391 usbd_transfer_unsetup(chan->xfer, UAUDIO_NCHANBUFS + 1); 1392 1393 mtx_lock(chan->pcm_mtx); 1394 chan->cur_alt = CHAN_MAX_ALT; 1395 mtx_unlock(chan->pcm_mtx); 1396 1397 /* 1398 * The first alternate setting is typically used for 1399 * power saving mode. Set this alternate setting as 1400 * part of entering stop. 1401 */ 1402 err = usbd_set_alt_interface_index(sc->sc_udev, chan->iface_index, 0); 1403 if (err) { 1404 DPRINTF("setting of default alternate index failed: %s!\n", 1405 usbd_errstr(err)); 1406 } 1407 return; 1408 1409 case CHAN_OP_START: 1410 /* Unsetup prior USB transfers, if any. */ 1411 usbd_transfer_unsetup(chan->xfer, UAUDIO_NCHANBUFS + 1); 1412 break; 1413 1414 default: 1415 return; 1416 } 1417 1418 mtx_lock(chan->pcm_mtx); 1419 next_alt = chan->set_alt; 1420 mtx_unlock(chan->pcm_mtx); 1421 1422 chan_alt = chan->usb_alt + next_alt; 1423 1424 err = usbd_set_alt_interface_index(sc->sc_udev, 1425 chan_alt->iface_index, chan_alt->iface_alt_index); 1426 if (err) { 1427 DPRINTF("setting of alternate index failed: %s!\n", 1428 usbd_errstr(err)); 1429 goto error; 1430 } 1431 1432 /* 1433 * Only set the sample rate if the channel reports that it 1434 * supports the frequency control. 1435 */ 1436 1437 if (sc->sc_audio_rev >= UAUDIO_VERSION_30) { 1438 /* FALLTHROUGH */ 1439 } else if (sc->sc_audio_rev >= UAUDIO_VERSION_20) { 1440 unsigned int x; 1441 1442 for (x = 0; x != 256; x++) { 1443 if (dir == PCMDIR_PLAY) { 1444 if (!(sc->sc_mixer_clocks.bit_output[x / 8] & 1445 (1 << (x % 8)))) { 1446 continue; 1447 } 1448 } else { 1449 if (!(sc->sc_mixer_clocks.bit_input[x / 8] & 1450 (1 << (x % 8)))) { 1451 continue; 1452 } 1453 } 1454 1455 if (uaudio20_set_speed(sc->sc_udev, 1456 sc->sc_mixer_iface_no, x, chan_alt->sample_rate)) { 1457 /* 1458 * If the endpoint is adaptive setting 1459 * the speed may fail. 1460 */ 1461 DPRINTF("setting of sample rate failed! " 1462 "(continuing anyway)\n"); 1463 } 1464 } 1465 } else if (chan_alt->p_sed.v1->bmAttributes & UA_SED_FREQ_CONTROL) { 1466 if (uaudio_set_speed(sc->sc_udev, 1467 chan_alt->p_ed1->bEndpointAddress, chan_alt->sample_rate)) { 1468 /* 1469 * If the endpoint is adaptive setting the 1470 * speed may fail. 1471 */ 1472 DPRINTF("setting of sample rate failed! " 1473 "(continuing anyway)\n"); 1474 } 1475 } 1476 if (usbd_transfer_setup(sc->sc_udev, &chan_alt->iface_index, chan->xfer, 1477 chan_alt->usb_cfg, UAUDIO_NCHANBUFS + 1, chan, chan->pcm_mtx)) { 1478 DPRINTF("could not allocate USB transfers!\n"); 1479 goto error; 1480 } 1481 1482 fps = usbd_get_isoc_fps(sc->sc_udev); 1483 1484 if (fps < 8000) { 1485 /* FULL speed USB */ 1486 frames = uaudio_buffer_ms; 1487 } else { 1488 /* HIGH speed USB */ 1489 frames = uaudio_buffer_ms * 8; 1490 } 1491 1492 fps_shift = usbd_xfer_get_fps_shift(chan->xfer[0]); 1493 1494 /* down shift number of frames per second, if any */ 1495 fps >>= fps_shift; 1496 frames >>= fps_shift; 1497 1498 /* bytes per frame should not be zero */ 1499 chan->bytes_per_frame[0] = 1500 ((chan_alt->sample_rate / fps) * chan_alt->sample_size); 1501 chan->bytes_per_frame[1] = howmany(chan_alt->sample_rate, fps) * 1502 chan_alt->sample_size; 1503 1504 /* setup data rate dithering, if any */ 1505 chan->frames_per_second = fps; 1506 chan->sample_rem = chan_alt->sample_rate % fps; 1507 chan->sample_curr = 0; 1508 1509 /* compute required buffer size */ 1510 buf_size = (chan->bytes_per_frame[1] * frames); 1511 1512 if (buf_size > (chan->end - chan->start)) { 1513 DPRINTF("buffer size is too big\n"); 1514 goto error; 1515 } 1516 1517 chan->intr_frames = frames; 1518 1519 DPRINTF("fps=%d sample_rem=%d\n", (int)fps, (int)chan->sample_rem); 1520 1521 if (chan->intr_frames == 0) { 1522 DPRINTF("frame shift is too high!\n"); 1523 goto error; 1524 } 1525 1526 #if (UAUDIO_NCHANBUFS != 2) 1527 #error "Please update code below!" 1528 #endif 1529 1530 mtx_lock(chan->pcm_mtx); 1531 chan->cur_alt = next_alt; 1532 usbd_transfer_start(chan->xfer[0]); 1533 usbd_transfer_start(chan->xfer[1]); 1534 mtx_unlock(chan->pcm_mtx); 1535 return; 1536 error: 1537 usbd_transfer_unsetup(chan->xfer, UAUDIO_NCHANBUFS + 1); 1538 1539 mtx_lock(chan->pcm_mtx); 1540 chan->cur_alt = CHAN_MAX_ALT; 1541 mtx_unlock(chan->pcm_mtx); 1542 } 1543 1544 static void 1545 uaudio_configure_msg(struct usb_proc_msg *pm) 1546 { 1547 struct uaudio_softc *sc = ((struct uaudio_configure_msg *)pm)->sc; 1548 unsigned i; 1549 1550 usb_proc_explore_unlock(sc->sc_udev); 1551 for (i = 0; i != UAUDIO_MAX_CHILD; i++) { 1552 uaudio_configure_msg_sub(sc, &sc->sc_play_chan[i], PCMDIR_PLAY); 1553 uaudio_configure_msg_sub(sc, &sc->sc_rec_chan[i], PCMDIR_REC); 1554 } 1555 usb_proc_explore_lock(sc->sc_udev); 1556 } 1557 1558 /*========================================================================* 1559 * AS - Audio Stream - routines 1560 *========================================================================*/ 1561 1562 #ifdef USB_DEBUG 1563 static void 1564 uaudio_chan_dump_ep_desc(const usb_endpoint_descriptor_audio_t *ed) 1565 { 1566 if (ed) { 1567 DPRINTF("endpoint=%p bLength=%d bDescriptorType=%d \n" 1568 "bEndpointAddress=%d bmAttributes=0x%x \n" 1569 "wMaxPacketSize=%d bInterval=%d \n" 1570 "bRefresh=%d bSynchAddress=%d\n", 1571 ed, ed->bLength, ed->bDescriptorType, 1572 ed->bEndpointAddress, ed->bmAttributes, 1573 UGETW(ed->wMaxPacketSize), ed->bInterval, 1574 UEP_HAS_REFRESH(ed) ? ed->bRefresh : 0, 1575 UEP_HAS_SYNCADDR(ed) ? ed->bSynchAddress : 0); 1576 } 1577 } 1578 1579 #endif 1580 1581 /* 1582 * The following is a workaround for broken no-name USB audio devices 1583 * sold by dealextreme called "3D sound". The problem is that the 1584 * manufacturer computed wMaxPacketSize is too small to hold the 1585 * actual data sent. In other words the device sometimes sends more 1586 * data than it actually reports it can send in a single isochronous 1587 * packet. 1588 */ 1589 static void 1590 uaudio_record_fix_fs(usb_endpoint_descriptor_audio_t *ep, 1591 uint32_t xps, uint32_t add) 1592 { 1593 uint32_t mps; 1594 1595 mps = UGETW(ep->wMaxPacketSize); 1596 1597 /* 1598 * If the device indicates it can send more data than what the 1599 * sample rate indicates, we apply the workaround. 1600 */ 1601 if (mps > xps) { 1602 /* allow additional data */ 1603 xps += add; 1604 1605 /* check against the maximum USB 1.x length */ 1606 if (xps > 1023) 1607 xps = 1023; 1608 1609 /* check if we should do an update */ 1610 if (mps < xps) { 1611 /* simply update the wMaxPacketSize field */ 1612 USETW(ep->wMaxPacketSize, xps); 1613 DPRINTF("Workaround: Updated wMaxPacketSize " 1614 "from %d to %d bytes.\n", 1615 (int)mps, (int)xps); 1616 } 1617 } 1618 } 1619 1620 static usb_error_t 1621 uaudio20_check_rate(struct usb_device *udev, uint8_t iface_no, 1622 uint8_t clockid, uint32_t rate) 1623 { 1624 struct usb_device_request req; 1625 usb_error_t error; 1626 #define UAUDIO20_MAX_RATES 32 /* we support at maximum 32 rates */ 1627 uint8_t data[2 + UAUDIO20_MAX_RATES * 12]; 1628 uint16_t actlen; 1629 uint16_t rates; 1630 uint16_t x; 1631 1632 DPRINTFN(6, "ifaceno=%d clockid=%d rate=%u\n", 1633 iface_no, clockid, rate); 1634 1635 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1636 req.bRequest = UA20_CS_RANGE; 1637 USETW2(req.wValue, UA20_CS_SAM_FREQ_CONTROL, 0); 1638 USETW2(req.wIndex, clockid, iface_no); 1639 /* 1640 * Assume there is at least one rate to begin with, else some 1641 * devices might refuse to return the USB descriptor: 1642 */ 1643 USETW(req.wLength, (2 + 1 * 12)); 1644 1645 error = usbd_do_request_flags(udev, NULL, &req, data, 1646 USB_SHORT_XFER_OK, &actlen, USB_DEFAULT_TIMEOUT); 1647 1648 if (error != 0 || actlen < 2) { 1649 /* 1650 * Likely the descriptor doesn't fit into the supplied 1651 * buffer. Try using a larger buffer and see if that 1652 * helps: 1653 */ 1654 rates = MIN(UAUDIO20_MAX_RATES, (255 - 2) / 12); 1655 error = USB_ERR_INVAL; 1656 } else { 1657 rates = UGETW(data); 1658 1659 if (rates > UAUDIO20_MAX_RATES) { 1660 DPRINTF("Too many rates truncating to %d\n", UAUDIO20_MAX_RATES); 1661 rates = UAUDIO20_MAX_RATES; 1662 error = USB_ERR_INVAL; 1663 } else if (rates > 1) { 1664 DPRINTF("Need to read full rate descriptor\n"); 1665 error = USB_ERR_INVAL; 1666 } 1667 } 1668 1669 if (error != 0) { 1670 /* 1671 * Try to read full rate descriptor. 1672 */ 1673 actlen = (2 + rates * 12); 1674 1675 USETW(req.wLength, actlen); 1676 1677 error = usbd_do_request_flags(udev, NULL, &req, data, 1678 USB_SHORT_XFER_OK, &actlen, USB_DEFAULT_TIMEOUT); 1679 1680 if (error != 0 || actlen < 2) 1681 return (USB_ERR_INVAL); 1682 1683 rates = UGETW(data); 1684 } 1685 1686 actlen = (actlen - 2) / 12; 1687 1688 if (rates > actlen) { 1689 DPRINTF("Too many rates truncating to %d\n", actlen); 1690 rates = actlen; 1691 } 1692 1693 for (x = 0; x != rates; x++) { 1694 uint32_t min = UGETDW(data + 2 + (12 * x)); 1695 uint32_t max = UGETDW(data + 6 + (12 * x)); 1696 uint32_t res = UGETDW(data + 10 + (12 * x)); 1697 1698 if (res == 0) { 1699 DPRINTF("Zero residue\n"); 1700 res = 1; 1701 } 1702 1703 if (min > max) { 1704 DPRINTF("Swapped max and min\n"); 1705 uint32_t temp; 1706 temp = min; 1707 min = max; 1708 max = temp; 1709 } 1710 1711 if (rate >= min && rate <= max && 1712 (((rate - min) % res) == 0)) { 1713 return (0); 1714 } 1715 } 1716 return (USB_ERR_INVAL); 1717 } 1718 1719 static struct uaudio_chan * 1720 uaudio_get_chan(struct uaudio_softc *sc, struct uaudio_chan *chan, 1721 uint8_t iface_index) 1722 { 1723 unsigned i; 1724 1725 for (i = 0; i != UAUDIO_MAX_CHILD; i++, chan++) { 1726 if (chan->num_alt == 0) { 1727 chan->iface_index = iface_index; 1728 return (chan); 1729 } else if (chan->iface_index == iface_index) 1730 return (chan); 1731 } 1732 return (NULL); 1733 } 1734 1735 static void 1736 uaudio_chan_fill_info_sub(struct uaudio_softc *sc, struct usb_device *udev, 1737 uint32_t rate, uint8_t channels, uint8_t bit_resolution) 1738 { 1739 struct usb_descriptor *desc = NULL; 1740 union uaudio_asid asid = { NULL }; 1741 union uaudio_asf1d asf1d = { NULL }; 1742 union uaudio_sed sed = { NULL }; 1743 struct usb_midi_streaming_endpoint_descriptor *msid = NULL; 1744 usb_endpoint_descriptor_audio_t *ed1 = NULL; 1745 const struct usb_audio_control_descriptor *acdp = NULL; 1746 struct usb_config_descriptor *cd = usbd_get_config_descriptor(udev); 1747 struct usb_interface_descriptor *id; 1748 const struct uaudio_format *p_fmt = NULL; 1749 struct uaudio_chan *chan; 1750 struct uaudio_chan_alt *chan_alt; 1751 uint32_t format; 1752 uint16_t curidx = 0xFFFF; 1753 uint16_t lastidx = 0xFFFF; 1754 uint16_t alt_index = 0; 1755 uint16_t audio_rev = 0; 1756 uint16_t x; 1757 uint8_t ep_dir; 1758 uint8_t bChannels; 1759 uint8_t bBitResolution; 1760 uint8_t audio_if = 0; 1761 uint8_t midi_if = 0; 1762 uint8_t uma_if_class; 1763 1764 while ((desc = usb_desc_foreach(cd, desc))) { 1765 if ((desc->bDescriptorType == UDESC_INTERFACE) && 1766 (desc->bLength >= sizeof(*id))) { 1767 id = (void *)desc; 1768 1769 if (id->bInterfaceNumber != lastidx) { 1770 lastidx = id->bInterfaceNumber; 1771 curidx++; 1772 alt_index = 0; 1773 1774 } else { 1775 alt_index++; 1776 } 1777 1778 if ((!(sc->sc_hid.flags & UAUDIO_HID_VALID)) && 1779 (id->bInterfaceClass == UICLASS_HID) && 1780 (id->bInterfaceSubClass == 0) && 1781 (id->bInterfaceProtocol == 0) && 1782 (alt_index == 0) && 1783 usbd_get_iface(udev, curidx) != NULL) { 1784 DPRINTF("Found HID interface at %d\n", 1785 curidx); 1786 sc->sc_hid.flags |= UAUDIO_HID_VALID; 1787 sc->sc_hid.iface_index = curidx; 1788 } 1789 1790 uma_if_class = 1791 ((id->bInterfaceClass == UICLASS_AUDIO) || 1792 ((id->bInterfaceClass == UICLASS_VENDOR) && 1793 (sc->sc_uq_au_vendor_class != 0))); 1794 1795 if ((uma_if_class != 0) && 1796 (id->bInterfaceSubClass == UISUBCLASS_AUDIOSTREAM)) { 1797 audio_if = 1; 1798 } else { 1799 audio_if = 0; 1800 } 1801 1802 if ((uma_if_class != 0) && 1803 (id->bInterfaceSubClass == UISUBCLASS_MIDISTREAM)) { 1804 /* 1805 * XXX could allow multiple MIDI interfaces 1806 */ 1807 midi_if = 1; 1808 1809 if ((sc->sc_midi_chan.valid == 0) && 1810 (usbd_get_iface(udev, curidx) != NULL)) { 1811 sc->sc_midi_chan.iface_index = curidx; 1812 sc->sc_midi_chan.iface_alt_index = alt_index; 1813 sc->sc_midi_chan.valid = 1; 1814 } 1815 } else { 1816 midi_if = 0; 1817 } 1818 asid.v1 = NULL; 1819 asf1d.v1 = NULL; 1820 ed1 = NULL; 1821 sed.v1 = NULL; 1822 1823 /* 1824 * There can only be one USB audio instance 1825 * per USB device. Grab all USB audio 1826 * interfaces on this USB device so that we 1827 * don't attach USB audio twice: 1828 */ 1829 if (alt_index == 0 && curidx != sc->sc_mixer_iface_index && 1830 (id->bInterfaceClass == UICLASS_AUDIO || audio_if != 0 || 1831 midi_if != 0)) { 1832 usbd_set_parent_iface(sc->sc_udev, curidx, 1833 sc->sc_mixer_iface_index); 1834 } 1835 } 1836 1837 if (audio_if == 0) { 1838 if (midi_if == 0) { 1839 if ((acdp == NULL) && 1840 (desc->bDescriptorType == UDESC_CS_INTERFACE) && 1841 (desc->bDescriptorSubtype == UDESCSUB_AC_HEADER) && 1842 (desc->bLength >= sizeof(*acdp))) { 1843 acdp = (void *)desc; 1844 audio_rev = UGETW(acdp->bcdADC); 1845 } 1846 } else { 1847 msid = (void *)desc; 1848 1849 /* get the maximum number of embedded jacks in use, if any */ 1850 if (msid->bLength >= sizeof(*msid) && 1851 msid->bDescriptorType == UDESC_CS_ENDPOINT && 1852 msid->bDescriptorSubtype == MS_GENERAL && 1853 msid->bNumEmbMIDIJack > sc->sc_midi_chan.max_emb_jack) { 1854 sc->sc_midi_chan.max_emb_jack = msid->bNumEmbMIDIJack; 1855 } 1856 } 1857 /* 1858 * Don't collect any USB audio descriptors if 1859 * this is not an USB audio stream interface. 1860 */ 1861 continue; 1862 } 1863 1864 if ((acdp != NULL || sc->sc_uq_au_vendor_class != 0) && 1865 (desc->bDescriptorType == UDESC_CS_INTERFACE) && 1866 (desc->bDescriptorSubtype == AS_GENERAL) && 1867 (asid.v1 == NULL)) { 1868 if (audio_rev >= UAUDIO_VERSION_30) { 1869 /* FALLTHROUGH */ 1870 } else if (audio_rev >= UAUDIO_VERSION_20) { 1871 if (desc->bLength >= sizeof(*asid.v2)) { 1872 asid.v2 = (void *)desc; 1873 } 1874 } else { 1875 if (desc->bLength >= sizeof(*asid.v1)) { 1876 asid.v1 = (void *)desc; 1877 } 1878 } 1879 } 1880 if ((acdp != NULL || sc->sc_uq_au_vendor_class != 0) && 1881 (desc->bDescriptorType == UDESC_CS_INTERFACE) && 1882 (desc->bDescriptorSubtype == FORMAT_TYPE) && 1883 (asf1d.v1 == NULL)) { 1884 if (audio_rev >= UAUDIO_VERSION_30) { 1885 /* FALLTHROUGH */ 1886 } else if (audio_rev >= UAUDIO_VERSION_20) { 1887 if (desc->bLength >= sizeof(*asf1d.v2)) 1888 asf1d.v2 = (void *)desc; 1889 } else { 1890 if (desc->bLength >= sizeof(*asf1d.v1)) { 1891 asf1d.v1 = (void *)desc; 1892 1893 if (asf1d.v1->bFormatType != FORMAT_TYPE_I) { 1894 DPRINTFN(11, "ignored bFormatType = %d\n", 1895 asf1d.v1->bFormatType); 1896 asf1d.v1 = NULL; 1897 continue; 1898 } 1899 if (desc->bLength < (sizeof(*asf1d.v1) + 1900 ((asf1d.v1->bSamFreqType == 0) ? 6 : 1901 (asf1d.v1->bSamFreqType * 3)))) { 1902 DPRINTFN(11, "invalid descriptor, " 1903 "too short\n"); 1904 asf1d.v1 = NULL; 1905 continue; 1906 } 1907 } 1908 } 1909 } 1910 if ((desc->bDescriptorType == UDESC_ENDPOINT) && 1911 (desc->bLength >= UEP_MINSIZE) && 1912 (ed1 == NULL)) { 1913 ed1 = (void *)desc; 1914 if (UE_GET_XFERTYPE(ed1->bmAttributes) != UE_ISOCHRONOUS) { 1915 ed1 = NULL; 1916 continue; 1917 } 1918 } 1919 if ((acdp != NULL || sc->sc_uq_au_vendor_class != 0) && 1920 (desc->bDescriptorType == UDESC_CS_ENDPOINT) && 1921 (desc->bDescriptorSubtype == AS_GENERAL) && 1922 (sed.v1 == NULL)) { 1923 if (audio_rev >= UAUDIO_VERSION_30) { 1924 /* FALLTHROUGH */ 1925 } else if (audio_rev >= UAUDIO_VERSION_20) { 1926 if (desc->bLength >= sizeof(*sed.v2)) 1927 sed.v2 = (void *)desc; 1928 } else { 1929 if (desc->bLength >= sizeof(*sed.v1)) 1930 sed.v1 = (void *)desc; 1931 } 1932 } 1933 if (asid.v1 == NULL || asf1d.v1 == NULL || 1934 ed1 == NULL || sed.v1 == NULL) { 1935 /* need more descriptors */ 1936 continue; 1937 } 1938 1939 ep_dir = UE_GET_DIR(ed1->bEndpointAddress); 1940 1941 /* We ignore sync endpoint information until further. */ 1942 1943 if (audio_rev >= UAUDIO_VERSION_30) { 1944 goto next_ep; 1945 } else if (audio_rev >= UAUDIO_VERSION_20) { 1946 uint32_t dwFormat; 1947 1948 dwFormat = UGETDW(asid.v2->bmFormats); 1949 bChannels = asid.v2->bNrChannels; 1950 bBitResolution = asf1d.v2->bSubslotSize * 8; 1951 1952 if ((bChannels != channels) || 1953 (bBitResolution != bit_resolution)) { 1954 DPRINTF("Wrong number of channels\n"); 1955 goto next_ep; 1956 } 1957 1958 for (p_fmt = uaudio20_formats; 1959 p_fmt->wFormat != 0; p_fmt++) { 1960 if ((p_fmt->wFormat & dwFormat) && 1961 (p_fmt->bPrecision == bBitResolution)) 1962 break; 1963 } 1964 1965 if (p_fmt->wFormat == 0) { 1966 DPRINTF("Unsupported audio format\n"); 1967 goto next_ep; 1968 } 1969 1970 for (x = 0; x != 256; x++) { 1971 if (ep_dir == UE_DIR_OUT) { 1972 if (!(sc->sc_mixer_clocks.bit_output[x / 8] & 1973 (1 << (x % 8)))) { 1974 continue; 1975 } 1976 } else { 1977 if (!(sc->sc_mixer_clocks.bit_input[x / 8] & 1978 (1 << (x % 8)))) { 1979 continue; 1980 } 1981 } 1982 1983 DPRINTF("Checking clock ID=%d\n", x); 1984 1985 if (uaudio20_check_rate(udev, 1986 sc->sc_mixer_iface_no, x, rate)) { 1987 DPRINTF("Unsupported sampling " 1988 "rate, id=%d\n", x); 1989 goto next_ep; 1990 } 1991 } 1992 } else { 1993 uint16_t wFormat; 1994 1995 wFormat = UGETW(asid.v1->wFormatTag); 1996 bChannels = UAUDIO_MAX_CHAN(asf1d.v1->bNrChannels); 1997 bBitResolution = asf1d.v1->bSubFrameSize * 8; 1998 1999 if (asf1d.v1->bSamFreqType == 0) { 2000 DPRINTFN(16, "Sample rate: %d-%dHz\n", 2001 UA_SAMP_LO(asf1d.v1), 2002 UA_SAMP_HI(asf1d.v1)); 2003 2004 if ((rate >= UA_SAMP_LO(asf1d.v1)) && 2005 (rate <= UA_SAMP_HI(asf1d.v1))) 2006 goto found_rate; 2007 } else { 2008 for (x = 0; x < asf1d.v1->bSamFreqType; x++) { 2009 DPRINTFN(16, "Sample rate = %dHz\n", 2010 UA_GETSAMP(asf1d.v1, x)); 2011 2012 if (rate == UA_GETSAMP(asf1d.v1, x)) 2013 goto found_rate; 2014 } 2015 } 2016 goto next_ep; 2017 2018 found_rate: 2019 for (p_fmt = uaudio10_formats; 2020 p_fmt->wFormat != 0; p_fmt++) { 2021 if ((p_fmt->wFormat == wFormat) && 2022 (p_fmt->bPrecision == bBitResolution)) 2023 break; 2024 } 2025 if (p_fmt->wFormat == 0) { 2026 DPRINTF("Unsupported audio format\n"); 2027 goto next_ep; 2028 } 2029 2030 if ((bChannels != channels) || 2031 (bBitResolution != bit_resolution)) { 2032 DPRINTF("Wrong number of channels\n"); 2033 goto next_ep; 2034 } 2035 } 2036 2037 chan = uaudio_get_chan(sc, (ep_dir == UE_DIR_OUT) ? &sc->sc_play_chan[0] : 2038 &sc->sc_rec_chan[0], curidx); 2039 if (chan == NULL) { 2040 DPRINTF("More than %d sub devices. (skipped)\n", UAUDIO_MAX_CHILD); 2041 goto next_ep; 2042 } 2043 2044 if (usbd_get_iface(udev, curidx) == NULL) { 2045 DPRINTF("Interface is not valid\n"); 2046 goto next_ep; 2047 } 2048 if (chan->num_alt == CHAN_MAX_ALT) { 2049 DPRINTF("Too many alternate settings\n"); 2050 goto next_ep; 2051 } 2052 chan->set_alt = 0; 2053 chan->cur_alt = CHAN_MAX_ALT; 2054 2055 chan_alt = &chan->usb_alt[chan->num_alt++]; 2056 2057 #ifdef USB_DEBUG 2058 uaudio_chan_dump_ep_desc(ed1); 2059 #endif 2060 DPRINTF("Sample rate = %dHz, channels = %d, " 2061 "bits = %d, format = %s, ep 0x%02x, chan %p\n", rate, channels, 2062 bit_resolution, p_fmt->description, ed1->bEndpointAddress, chan); 2063 2064 chan_alt->sample_rate = rate; 2065 chan_alt->p_asf1d = asf1d; 2066 chan_alt->p_ed1 = ed1; 2067 chan_alt->p_fmt = p_fmt; 2068 chan_alt->p_sed = sed; 2069 chan_alt->iface_index = curidx; 2070 chan_alt->iface_alt_index = alt_index; 2071 2072 if (ep_dir == UE_DIR_IN) 2073 chan_alt->usb_cfg = uaudio_cfg_record; 2074 else 2075 chan_alt->usb_cfg = uaudio_cfg_play; 2076 2077 chan_alt->sample_size = (UAUDIO_MAX_CHAN(channels) * 2078 p_fmt->bPrecision) / 8; 2079 chan_alt->channels = channels; 2080 2081 if (ep_dir == UE_DIR_IN && 2082 usbd_get_speed(udev) == USB_SPEED_FULL) { 2083 uaudio_record_fix_fs(ed1, 2084 chan_alt->sample_size * (rate / 1000), 2085 chan_alt->sample_size * (rate / 4000)); 2086 } 2087 2088 /* setup play/record format */ 2089 2090 format = chan_alt->p_fmt->freebsd_fmt; 2091 2092 /* get default SND_FORMAT() */ 2093 format = SND_FORMAT(format, chan_alt->channels, 0); 2094 2095 switch (chan_alt->channels) { 2096 uint32_t temp_fmt; 2097 case 1: 2098 case 2: 2099 /* mono and stereo */ 2100 break; 2101 default: 2102 /* surround and more */ 2103 temp_fmt = feeder_matrix_default_format(format); 2104 /* if multichannel, then format can be zero */ 2105 if (temp_fmt != 0) 2106 format = temp_fmt; 2107 break; 2108 } 2109 2110 /* check if format is not supported */ 2111 if (format == 0) { 2112 DPRINTF("The selected audio format is not supported\n"); 2113 chan->num_alt--; 2114 goto next_ep; 2115 } 2116 if (chan->num_alt > 1) { 2117 /* we only accumulate one format at different sample rates */ 2118 if (chan->pcm_format[0] != format) { 2119 DPRINTF("Multiple formats is not supported\n"); 2120 chan->num_alt--; 2121 goto next_ep; 2122 } 2123 /* ignore if duplicate sample rate entry */ 2124 if (rate == chan->usb_alt[chan->num_alt - 2].sample_rate) { 2125 DPRINTF("Duplicate sample rate detected\n"); 2126 chan->num_alt--; 2127 goto next_ep; 2128 } 2129 } 2130 chan->pcm_cap.fmtlist = chan->pcm_format; 2131 chan->pcm_cap.fmtlist[0] = format; 2132 2133 /* check if device needs bitperfect */ 2134 if (chan_alt->channels > UAUDIO_MATRIX_MAX) 2135 sc->sc_pcm_bitperfect = 1; 2136 2137 if (rate < chan->pcm_cap.minspeed || chan->pcm_cap.minspeed == 0) 2138 chan->pcm_cap.minspeed = rate; 2139 if (rate > chan->pcm_cap.maxspeed || chan->pcm_cap.maxspeed == 0) 2140 chan->pcm_cap.maxspeed = rate; 2141 2142 next_ep: 2143 sed.v1 = NULL; 2144 ed1 = NULL; 2145 } 2146 } 2147 2148 /* This structure defines all the supported rates. */ 2149 2150 static const uint32_t uaudio_rate_list[CHAN_MAX_ALT] = { 2151 384000, 2152 352800, 2153 192000, 2154 176400, 2155 96000, 2156 88200, 2157 88000, 2158 80000, 2159 72000, 2160 64000, 2161 56000, 2162 48000, 2163 44100, 2164 40000, 2165 32000, 2166 24000, 2167 22050, 2168 16000, 2169 11025, 2170 8000, 2171 0 2172 }; 2173 2174 static void 2175 uaudio_chan_fill_info(struct uaudio_softc *sc, struct usb_device *udev) 2176 { 2177 uint32_t rate = uaudio_default_rate; 2178 uint8_t z; 2179 uint8_t bits = uaudio_default_bits; 2180 uint8_t y; 2181 uint8_t channels = uaudio_default_channels; 2182 uint8_t channels_max; 2183 uint8_t x; 2184 2185 bits -= (bits % 8); 2186 if ((bits == 0) || (bits > UAUDIO_BITS_MAX)) { 2187 /* set a valid value */ 2188 bits = UAUDIO_BITS_MAX; 2189 } 2190 2191 if (channels > UAUDIO_CHANNELS_MAX) 2192 channels = UAUDIO_CHANNELS_MAX; 2193 switch (usbd_get_speed(udev)) { 2194 case USB_SPEED_LOW: 2195 case USB_SPEED_FULL: 2196 /* 2197 * Due to high bandwidth usage and problems 2198 * with HIGH-speed split transactions we 2199 * disable surround setups on FULL-speed USB 2200 * by default 2201 */ 2202 channels_max = 4; 2203 /* more channels on request */ 2204 if (channels > channels_max) 2205 channels_max = channels; 2206 break; 2207 default: 2208 channels_max = UAUDIO_CHANNELS_MAX; 2209 break; 2210 } 2211 if (channels == 0) 2212 channels = channels_max; 2213 2214 /* try to search for a valid config */ 2215 2216 for (x = channels; x; x--) { 2217 for (y = bits; y; y -= 8) { 2218 /* try user defined rate, if any */ 2219 if (rate != 0) 2220 uaudio_chan_fill_info_sub(sc, udev, rate, x, y); 2221 2222 /* try find a matching rate, if any */ 2223 for (z = 0; uaudio_rate_list[z]; z++) { 2224 if (uaudio_rate_list[z] != rate) 2225 uaudio_chan_fill_info_sub(sc, udev, 2226 uaudio_rate_list[z], x, y); 2227 } 2228 2229 /* after default value in first round, proceed with max bits */ 2230 if (y == bits) 2231 y = UAUDIO_BITS_MAX + 8; 2232 /* skip default value subsequently */ 2233 if (y == (bits + 8)) 2234 y -= 8; 2235 } 2236 2237 /* after default value in first round, proceed with max channels */ 2238 if (x == channels) 2239 x = channels_max + 1; 2240 /* skip default value subsequently */ 2241 if (x == (channels + 1)) 2242 x--; 2243 } 2244 } 2245 2246 static void 2247 uaudio_chan_play_sync_callback(struct usb_xfer *xfer, usb_error_t error) 2248 { 2249 struct uaudio_chan *ch = usbd_xfer_softc(xfer); 2250 struct usb_page_cache *pc; 2251 uint64_t sample_rate; 2252 uint8_t buf[4]; 2253 uint64_t temp; 2254 unsigned i; 2255 int len; 2256 int actlen; 2257 int nframes; 2258 2259 usbd_xfer_status(xfer, &actlen, NULL, NULL, &nframes); 2260 2261 i = uaudio_get_child_index_by_chan(ch->priv_sc, ch); 2262 2263 switch (USB_GET_STATE(xfer)) { 2264 case USB_ST_TRANSFERRED: 2265 2266 DPRINTFN(6, "transferred %d bytes\n", actlen); 2267 2268 if (nframes == 0) 2269 break; 2270 len = usbd_xfer_frame_len(xfer, 0); 2271 if (len == 0) 2272 break; 2273 if (len > sizeof(buf)) 2274 len = sizeof(buf); 2275 2276 memset(buf, 0, sizeof(buf)); 2277 2278 pc = usbd_xfer_get_frame(xfer, 0); 2279 usbd_copy_out(pc, 0, buf, len); 2280 2281 temp = UGETDW(buf); 2282 2283 DPRINTF("Value = 0x%08x\n", (int)temp); 2284 2285 /* auto-detect SYNC format */ 2286 2287 if (len == 4) 2288 temp &= 0x0fffffff; 2289 2290 /* check for no data */ 2291 2292 if (temp == 0) 2293 break; 2294 2295 temp *= 125ULL; 2296 2297 sample_rate = ch->usb_alt[ch->cur_alt].sample_rate; 2298 2299 /* auto adjust */ 2300 while (temp < (sample_rate - (sample_rate / 4))) 2301 temp *= 2; 2302 2303 while (temp > (sample_rate + (sample_rate / 2))) 2304 temp /= 2; 2305 2306 DPRINTF("Comparing %d Hz :: %d Hz\n", 2307 (int)temp, (int)sample_rate); 2308 2309 /* 2310 * Use feedback value as fallback when there is no 2311 * recording channel: 2312 */ 2313 if (ch->priv_sc->sc_rec_chan[i].num_alt == 0) { 2314 int32_t jitter_max = howmany(sample_rate, 16000); 2315 2316 /* 2317 * Range check the jitter values to avoid 2318 * bogus sample rate adjustments. The expected 2319 * deviation should not be more than 1Hz per 2320 * second. The USB v2.0 specification also 2321 * mandates this requirement. Refer to chapter 2322 * 5.12.4.2 about feedback. 2323 */ 2324 ch->jitter_curr = temp - sample_rate; 2325 if (ch->jitter_curr > jitter_max) 2326 ch->jitter_curr = jitter_max; 2327 else if (ch->jitter_curr < -jitter_max) 2328 ch->jitter_curr = -jitter_max; 2329 } 2330 ch->feedback_rate = temp; 2331 break; 2332 2333 case USB_ST_SETUP: 2334 /* 2335 * Check if the recording stream can be used as a 2336 * source of jitter information to save some 2337 * isochronous bandwidth: 2338 */ 2339 if (ch->priv_sc->sc_rec_chan[i].num_alt != 0 && 2340 uaudio_debug == 0) 2341 break; 2342 usbd_xfer_set_frames(xfer, 1); 2343 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_framelen(xfer)); 2344 usbd_transfer_submit(xfer); 2345 break; 2346 2347 default: /* Error */ 2348 break; 2349 } 2350 } 2351 2352 static int 2353 uaudio_chan_is_async(struct uaudio_chan *ch, uint8_t alt) 2354 { 2355 uint8_t attr = ch->usb_alt[alt].p_ed1->bmAttributes; 2356 return (UE_GET_ISO_TYPE(attr) == UE_ISO_ASYNC); 2357 } 2358 2359 static void 2360 uaudio_chan_play_callback(struct usb_xfer *xfer, usb_error_t error) 2361 { 2362 struct uaudio_chan *ch = usbd_xfer_softc(xfer); 2363 struct uaudio_chan *ch_rec; 2364 struct usb_page_cache *pc; 2365 uint32_t mfl; 2366 uint32_t total; 2367 uint32_t blockcount; 2368 uint32_t n; 2369 uint32_t offset; 2370 unsigned i; 2371 int sample_size; 2372 int actlen; 2373 int sumlen; 2374 2375 if (ch->running == 0 || ch->start == ch->end) { 2376 DPRINTF("not running or no buffer!\n"); 2377 return; 2378 } 2379 2380 i = uaudio_get_child_index_by_chan(ch->priv_sc, ch); 2381 2382 /* check if there is a valid record channel */ 2383 ch_rec = ch->priv_sc->sc_rec_chan + i; 2384 2385 if (ch_rec->num_alt == 0) 2386 ch_rec = NULL; 2387 2388 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 2389 2390 switch (USB_GET_STATE(xfer)) { 2391 case USB_ST_SETUP: 2392 tr_setup: 2393 if (ch_rec != NULL) { 2394 /* 2395 * NOTE: The play and record callbacks are 2396 * executed from the same USB thread and 2397 * locking the record channel mutex here is 2398 * not needed. This avoids a LOR situation. 2399 */ 2400 2401 /* reset receive jitter counters */ 2402 ch_rec->jitter_curr = 0; 2403 ch_rec->jitter_rem = 0; 2404 } 2405 2406 /* reset transmit jitter counters */ 2407 ch->jitter_curr = 0; 2408 ch->jitter_rem = 0; 2409 2410 /* FALLTHROUGH */ 2411 case USB_ST_TRANSFERRED: 2412 if (actlen < sumlen) { 2413 DPRINTF("short transfer, " 2414 "%d of %d bytes\n", actlen, sumlen); 2415 } 2416 chn_intr(ch->pcm_ch); 2417 2418 /* 2419 * Check for asynchronous playback endpoint and that 2420 * the playback endpoint is properly configured: 2421 */ 2422 if (ch_rec != NULL && 2423 uaudio_chan_is_async(ch, ch->cur_alt) != 0) { 2424 uint32_t rec_alt = ch_rec->cur_alt; 2425 if (rec_alt < ch_rec->num_alt) { 2426 int64_t tx_jitter; 2427 int64_t rx_rate; 2428 /* 2429 * NOTE: The play and record callbacks 2430 * are executed from the same USB 2431 * thread and locking the record 2432 * channel mutex here is not needed. 2433 * This avoids a LOR situation. 2434 */ 2435 2436 /* translate receive jitter into transmit jitter */ 2437 tx_jitter = ch->usb_alt[ch->cur_alt].sample_rate; 2438 tx_jitter = (tx_jitter * ch_rec->jitter_curr) + 2439 ch->jitter_rem; 2440 2441 /* reset receive jitter counters */ 2442 ch_rec->jitter_curr = 0; 2443 ch_rec->jitter_rem = 0; 2444 2445 /* compute exact number of transmit jitter samples */ 2446 rx_rate = ch_rec->usb_alt[rec_alt].sample_rate; 2447 ch->jitter_curr += tx_jitter / rx_rate; 2448 ch->jitter_rem = tx_jitter % rx_rate; 2449 } 2450 } 2451 2452 /* start the SYNC transfer one time per second, if any */ 2453 ch->intr_counter += ch->intr_frames; 2454 if (ch->intr_counter >= ch->frames_per_second) { 2455 ch->intr_counter -= ch->frames_per_second; 2456 usbd_transfer_start(ch->xfer[UAUDIO_NCHANBUFS]); 2457 } 2458 2459 mfl = usbd_xfer_max_framelen(xfer); 2460 2461 if (ch->bytes_per_frame[1] > mfl) { 2462 DPRINTF("bytes per transfer, %d, " 2463 "exceeds maximum, %d!\n", 2464 ch->bytes_per_frame[1], 2465 mfl); 2466 break; 2467 } 2468 2469 blockcount = ch->intr_frames; 2470 2471 /* setup number of frames */ 2472 usbd_xfer_set_frames(xfer, blockcount); 2473 2474 /* get sample size */ 2475 sample_size = ch->usb_alt[ch->cur_alt].sample_size; 2476 2477 /* reset total length */ 2478 total = 0; 2479 2480 /* setup frame lengths */ 2481 for (n = 0; n != blockcount; n++) { 2482 uint32_t frame_len; 2483 2484 ch->sample_curr += ch->sample_rem; 2485 if (ch->sample_curr >= ch->frames_per_second) { 2486 ch->sample_curr -= ch->frames_per_second; 2487 frame_len = ch->bytes_per_frame[1]; 2488 } else { 2489 frame_len = ch->bytes_per_frame[0]; 2490 } 2491 2492 /* handle free running clock case */ 2493 if (ch->jitter_curr > 0 && 2494 (frame_len + sample_size) <= mfl) { 2495 DPRINTFN(6, "sending one sample more\n"); 2496 ch->jitter_curr--; 2497 frame_len += sample_size; 2498 } else if (ch->jitter_curr < 0 && 2499 frame_len >= sample_size) { 2500 DPRINTFN(6, "sending one sample less\n"); 2501 ch->jitter_curr++; 2502 frame_len -= sample_size; 2503 } 2504 usbd_xfer_set_frame_len(xfer, n, frame_len); 2505 total += frame_len; 2506 } 2507 2508 DPRINTFN(6, "transferring %d bytes\n", total); 2509 2510 offset = 0; 2511 2512 pc = usbd_xfer_get_frame(xfer, 0); 2513 while (total > 0) { 2514 n = (ch->end - ch->cur); 2515 if (n > total) 2516 n = total; 2517 2518 usbd_copy_in(pc, offset, ch->cur, n); 2519 2520 total -= n; 2521 ch->cur += n; 2522 offset += n; 2523 2524 if (ch->cur >= ch->end) 2525 ch->cur = ch->start; 2526 } 2527 usbd_transfer_submit(xfer); 2528 break; 2529 2530 default: /* Error */ 2531 if (error != USB_ERR_CANCELLED) 2532 goto tr_setup; 2533 break; 2534 } 2535 } 2536 2537 static void 2538 uaudio_chan_record_sync_callback(struct usb_xfer *xfer, usb_error_t error) 2539 { 2540 /* TODO */ 2541 } 2542 2543 static void 2544 uaudio_chan_record_callback(struct usb_xfer *xfer, usb_error_t error) 2545 { 2546 struct uaudio_chan *ch = usbd_xfer_softc(xfer); 2547 struct usb_page_cache *pc; 2548 uint32_t offset0; 2549 uint32_t mfl; 2550 int m; 2551 int n; 2552 int len; 2553 int actlen; 2554 int nframes; 2555 int expected_bytes; 2556 int sample_size; 2557 2558 if (ch->start == ch->end) { 2559 DPRINTF("no buffer!\n"); 2560 return; 2561 } 2562 2563 usbd_xfer_status(xfer, &actlen, NULL, NULL, &nframes); 2564 mfl = usbd_xfer_max_framelen(xfer); 2565 2566 switch (USB_GET_STATE(xfer)) { 2567 case USB_ST_TRANSFERRED: 2568 2569 offset0 = 0; 2570 pc = usbd_xfer_get_frame(xfer, 0); 2571 2572 /* try to compute the number of expected bytes */ 2573 ch->sample_curr += (ch->sample_rem * ch->intr_frames); 2574 2575 /* compute number of expected bytes */ 2576 expected_bytes = (ch->intr_frames * ch->bytes_per_frame[0]) + 2577 ((ch->sample_curr / ch->frames_per_second) * 2578 (ch->bytes_per_frame[1] - ch->bytes_per_frame[0])); 2579 2580 /* keep remainder */ 2581 ch->sample_curr %= ch->frames_per_second; 2582 2583 /* get current sample size */ 2584 sample_size = ch->usb_alt[ch->cur_alt].sample_size; 2585 2586 for (n = 0; n != nframes; n++) { 2587 uint32_t offset1 = offset0; 2588 2589 len = usbd_xfer_frame_len(xfer, n); 2590 2591 /* make sure we only receive complete samples */ 2592 len = len - (len % sample_size); 2593 2594 /* subtract bytes received from expected payload */ 2595 expected_bytes -= len; 2596 2597 /* don't receive data when not ready */ 2598 if (ch->running == 0 || ch->cur_alt != ch->set_alt) 2599 continue; 2600 2601 /* fill ring buffer with samples, if any */ 2602 while (len > 0) { 2603 m = (ch->end - ch->cur); 2604 2605 if (m > len) 2606 m = len; 2607 2608 usbd_copy_out(pc, offset1, ch->cur, m); 2609 2610 len -= m; 2611 offset1 += m; 2612 ch->cur += m; 2613 2614 if (ch->cur >= ch->end) 2615 ch->cur = ch->start; 2616 } 2617 2618 offset0 += mfl; 2619 } 2620 2621 /* update current jitter */ 2622 ch->jitter_curr -= (expected_bytes / sample_size); 2623 2624 /* don't allow a huge amount of jitter to accumulate */ 2625 nframes = 2 * ch->intr_frames; 2626 2627 /* range check current jitter */ 2628 if (ch->jitter_curr < -nframes) 2629 ch->jitter_curr = -nframes; 2630 else if (ch->jitter_curr > nframes) 2631 ch->jitter_curr = nframes; 2632 2633 DPRINTFN(6, "transferred %d bytes, jitter %d samples\n", 2634 actlen, ch->jitter_curr); 2635 2636 if (ch->running != 0) 2637 chn_intr(ch->pcm_ch); 2638 2639 case USB_ST_SETUP: 2640 tr_setup: 2641 nframes = ch->intr_frames; 2642 2643 usbd_xfer_set_frames(xfer, nframes); 2644 for (n = 0; n != nframes; n++) 2645 usbd_xfer_set_frame_len(xfer, n, mfl); 2646 2647 usbd_transfer_submit(xfer); 2648 break; 2649 2650 default: /* Error */ 2651 if (error != USB_ERR_CANCELLED) 2652 goto tr_setup; 2653 break; 2654 } 2655 } 2656 2657 void * 2658 uaudio_chan_init(struct uaudio_chan *ch, struct snd_dbuf *b, 2659 struct pcm_channel *c, int dir) 2660 { 2661 uint32_t buf_size; 2662 uint8_t x; 2663 2664 /* store mutex and PCM channel */ 2665 2666 ch->pcm_ch = c; 2667 ch->pcm_mtx = c->lock; 2668 2669 /* compute worst case buffer */ 2670 2671 buf_size = 0; 2672 for (x = 0; x != ch->num_alt; x++) { 2673 uint32_t temp = uaudio_max_buffer_size(ch, x); 2674 if (temp > buf_size) 2675 buf_size = temp; 2676 } 2677 2678 /* allow double buffering */ 2679 buf_size *= 2; 2680 2681 DPRINTF("Worst case buffer is %d bytes\n", (int)buf_size); 2682 2683 ch->buf = malloc(buf_size, M_DEVBUF, M_WAITOK | M_ZERO); 2684 if (sndbuf_setup(b, ch->buf, buf_size) != 0) 2685 goto error; 2686 2687 ch->start = ch->buf; 2688 ch->end = ch->buf + buf_size; 2689 ch->cur = ch->buf; 2690 ch->pcm_buf = b; 2691 ch->max_buf = buf_size; 2692 2693 if (ch->pcm_mtx == NULL) { 2694 DPRINTF("ERROR: PCM channels does not have a mutex!\n"); 2695 goto error; 2696 } 2697 return (ch); 2698 2699 error: 2700 uaudio_chan_free(ch); 2701 return (NULL); 2702 } 2703 2704 int 2705 uaudio_chan_free(struct uaudio_chan *ch) 2706 { 2707 if (ch->buf != NULL) { 2708 free(ch->buf, M_DEVBUF); 2709 ch->buf = NULL; 2710 } 2711 usbd_transfer_unsetup(ch->xfer, UAUDIO_NCHANBUFS + 1); 2712 2713 ch->num_alt = 0; 2714 2715 return (0); 2716 } 2717 2718 int 2719 uaudio_chan_set_param_blocksize(struct uaudio_chan *ch, uint32_t blocksize) 2720 { 2721 uint32_t temp = 2 * uaudio_get_buffer_size(ch, ch->set_alt); 2722 sndbuf_setup(ch->pcm_buf, ch->buf, temp); 2723 return (temp / 2); 2724 } 2725 2726 int 2727 uaudio_chan_set_param_fragments(struct uaudio_chan *ch, uint32_t blocksize, 2728 uint32_t blockcount) 2729 { 2730 return (1); 2731 } 2732 2733 int 2734 uaudio_chan_set_param_speed(struct uaudio_chan *ch, uint32_t speed) 2735 { 2736 struct uaudio_softc *sc; 2737 uint8_t x, y; 2738 2739 sc = ch->priv_sc; 2740 2741 for (x = 0, y = 1; y < ch->num_alt; y++) { 2742 /* prefer sample rate closer to and greater than requested */ 2743 if ((ch->usb_alt[x].sample_rate < speed && 2744 ch->usb_alt[x].sample_rate < ch->usb_alt[y].sample_rate) || 2745 (speed <= ch->usb_alt[y].sample_rate && 2746 ch->usb_alt[y].sample_rate < ch->usb_alt[x].sample_rate)) 2747 x = y; 2748 } 2749 2750 usb_proc_explore_lock(sc->sc_udev); 2751 ch->set_alt = x; 2752 usb_proc_explore_unlock(sc->sc_udev); 2753 2754 DPRINTF("Selecting alt %d\n", (int)x); 2755 2756 return (ch->usb_alt[x].sample_rate); 2757 } 2758 2759 int 2760 uaudio_chan_getptr(struct uaudio_chan *ch) 2761 { 2762 return (ch->cur - ch->start); 2763 } 2764 2765 struct pcmchan_caps * 2766 uaudio_chan_getcaps(struct uaudio_chan *ch) 2767 { 2768 return (&ch->pcm_cap); 2769 } 2770 2771 static struct pcmchan_matrix uaudio_chan_matrix_swap_2_0 = { 2772 .id = SND_CHN_MATRIX_DRV, 2773 .channels = 2, 2774 .ext = 0, 2775 .map = { 2776 /* Right */ 2777 [0] = { 2778 .type = SND_CHN_T_FR, 2779 .members = 2780 SND_CHN_T_MASK_FR | SND_CHN_T_MASK_FC | 2781 SND_CHN_T_MASK_LF | SND_CHN_T_MASK_BR | 2782 SND_CHN_T_MASK_BC | SND_CHN_T_MASK_SR 2783 }, 2784 /* Left */ 2785 [1] = { 2786 .type = SND_CHN_T_FL, 2787 .members = 2788 SND_CHN_T_MASK_FL | SND_CHN_T_MASK_FC | 2789 SND_CHN_T_MASK_LF | SND_CHN_T_MASK_BL | 2790 SND_CHN_T_MASK_BC | SND_CHN_T_MASK_SL 2791 }, 2792 [2] = { 2793 .type = SND_CHN_T_MAX, 2794 .members = 0 2795 } 2796 }, 2797 .mask = SND_CHN_T_MASK_FR | SND_CHN_T_MASK_FL, 2798 .offset = { 1, 0, -1, -1, -1, -1, -1, -1, -1, 2799 -1, -1, -1, -1, -1, -1, -1, -1, -1 } 2800 }; 2801 2802 struct pcmchan_matrix * 2803 uaudio_chan_getmatrix(struct uaudio_chan *ch, uint32_t format) 2804 { 2805 struct uaudio_softc *sc; 2806 2807 sc = ch->priv_sc; 2808 2809 if (sc != NULL && sc->sc_uq_audio_swap_lr != 0 && 2810 AFMT_CHANNEL(format) == 2) 2811 return (&uaudio_chan_matrix_swap_2_0); 2812 2813 return (feeder_matrix_format_map(format)); 2814 } 2815 2816 int 2817 uaudio_chan_set_param_format(struct uaudio_chan *ch, uint32_t format) 2818 { 2819 DPRINTF("Selecting format 0x%08x\n", (unsigned int)format); 2820 return (0); 2821 } 2822 2823 static void 2824 uaudio_chan_reconfigure(struct uaudio_chan *ch, uint8_t operation) 2825 { 2826 struct uaudio_softc *sc = ch->priv_sc; 2827 2828 /* Check for shutdown. */ 2829 if (ch->operation == CHAN_OP_DRAIN) 2830 return; 2831 2832 /* Set next operation. */ 2833 ch->operation = operation; 2834 2835 /* 2836 * Because changing the alternate setting modifies the USB 2837 * configuration, this part must be executed from the USB 2838 * explore process. 2839 */ 2840 (void)usb_proc_explore_msignal(sc->sc_udev, 2841 &sc->sc_config_msg[0], &sc->sc_config_msg[1]); 2842 } 2843 2844 static int 2845 uaudio_chan_need_both(struct uaudio_chan *pchan, struct uaudio_chan *rchan) 2846 { 2847 return (pchan->num_alt > 0 && 2848 pchan->running != 0 && 2849 uaudio_chan_is_async(pchan, pchan->set_alt) != 0 && 2850 rchan->num_alt > 0 && 2851 rchan->running == 0); 2852 } 2853 2854 static int 2855 uaudio_chan_need_none(struct uaudio_chan *pchan, struct uaudio_chan *rchan) 2856 { 2857 return (pchan->num_alt > 0 && 2858 pchan->running == 0 && 2859 rchan->num_alt > 0 && 2860 rchan->running == 0); 2861 } 2862 2863 void 2864 uaudio_chan_start(struct uaudio_chan *ch) 2865 { 2866 struct uaudio_softc *sc = ch->priv_sc; 2867 unsigned i = uaudio_get_child_index_by_chan(sc, ch); 2868 2869 /* make operation atomic */ 2870 usb_proc_explore_lock(sc->sc_udev); 2871 2872 /* check if not running */ 2873 if (ch->running == 0) { 2874 uint32_t temp; 2875 2876 /* get current buffer size */ 2877 temp = 2 * uaudio_get_buffer_size(ch, ch->set_alt); 2878 2879 /* set running flag */ 2880 ch->running = 1; 2881 2882 /* ensure the hardware buffer is reset */ 2883 ch->start = ch->buf; 2884 ch->end = ch->buf + temp; 2885 ch->cur = ch->buf; 2886 2887 if (uaudio_chan_need_both( 2888 &sc->sc_play_chan[i], 2889 &sc->sc_rec_chan[i])) { 2890 /* 2891 * Start both endpoints because of need for 2892 * jitter information: 2893 */ 2894 uaudio_chan_reconfigure(&sc->sc_rec_chan[i], CHAN_OP_START); 2895 uaudio_chan_reconfigure(&sc->sc_play_chan[i], CHAN_OP_START); 2896 } else { 2897 uaudio_chan_reconfigure(ch, CHAN_OP_START); 2898 } 2899 } 2900 2901 /* exit atomic operation */ 2902 usb_proc_explore_unlock(sc->sc_udev); 2903 } 2904 2905 void 2906 uaudio_chan_stop(struct uaudio_chan *ch) 2907 { 2908 struct uaudio_softc *sc = ch->priv_sc; 2909 unsigned i = uaudio_get_child_index_by_chan(sc, ch); 2910 2911 /* make operation atomic */ 2912 usb_proc_explore_lock(sc->sc_udev); 2913 2914 /* check if running */ 2915 if (ch->running != 0) { 2916 /* clear running flag */ 2917 ch->running = 0; 2918 2919 if (uaudio_chan_need_both( 2920 &sc->sc_play_chan[i], 2921 &sc->sc_rec_chan[i])) { 2922 /* 2923 * Leave the endpoints running because we need 2924 * information about jitter! 2925 */ 2926 } else if (uaudio_chan_need_none( 2927 &sc->sc_play_chan[i], 2928 &sc->sc_rec_chan[i])) { 2929 /* 2930 * Stop both endpoints in case the one was used for 2931 * jitter information: 2932 */ 2933 uaudio_chan_reconfigure(&sc->sc_rec_chan[i], CHAN_OP_STOP); 2934 uaudio_chan_reconfigure(&sc->sc_play_chan[i], CHAN_OP_STOP); 2935 } else { 2936 uaudio_chan_reconfigure(ch, CHAN_OP_STOP); 2937 } 2938 } 2939 2940 /* exit atomic operation */ 2941 usb_proc_explore_unlock(sc->sc_udev); 2942 } 2943 2944 /*========================================================================* 2945 * AC - Audio Controller - routines 2946 *========================================================================*/ 2947 2948 static int 2949 uaudio_mixer_sysctl_handler(SYSCTL_HANDLER_ARGS) 2950 { 2951 struct uaudio_softc *sc; 2952 struct uaudio_mixer_node *pmc; 2953 int hint; 2954 int error; 2955 int temp = 0; 2956 int chan = 0; 2957 2958 sc = (struct uaudio_softc *)oidp->oid_arg1; 2959 hint = oidp->oid_arg2; 2960 2961 if (sc->sc_child[0].mixer_lock == NULL) 2962 return (ENXIO); 2963 2964 /* lookup mixer node */ 2965 2966 mtx_lock(sc->sc_child[0].mixer_lock); 2967 for (pmc = sc->sc_mixer_root; pmc != NULL; pmc = pmc->next) { 2968 for (chan = 0; chan != (int)pmc->nchan; chan++) { 2969 if (pmc->wValue[chan] != -1 && 2970 pmc->wValue[chan] == hint) { 2971 temp = pmc->wData[chan]; 2972 goto found; 2973 } 2974 } 2975 } 2976 found: 2977 mtx_unlock(sc->sc_child[0].mixer_lock); 2978 2979 error = sysctl_handle_int(oidp, &temp, 0, req); 2980 if (error != 0 || req->newptr == NULL) 2981 return (error); 2982 2983 /* update mixer value */ 2984 2985 mtx_lock(sc->sc_child[0].mixer_lock); 2986 if (pmc != NULL && 2987 temp >= pmc->minval && 2988 temp <= pmc->maxval) { 2989 pmc->wData[chan] = temp; 2990 pmc->update[(chan / 8)] |= (1 << (chan % 8)); 2991 2992 /* start the transfer, if not already started */ 2993 usbd_transfer_start(sc->sc_mixer_xfer[0]); 2994 } 2995 mtx_unlock(sc->sc_child[0].mixer_lock); 2996 2997 return (0); 2998 } 2999 3000 static void 3001 uaudio_mixer_ctl_free(struct uaudio_softc *sc) 3002 { 3003 struct uaudio_mixer_node *p_mc; 3004 3005 while ((p_mc = sc->sc_mixer_root) != NULL) { 3006 sc->sc_mixer_root = p_mc->next; 3007 free(p_mc, M_USBDEV); 3008 } 3009 } 3010 3011 static void 3012 uaudio_mixer_register_sysctl(struct uaudio_softc *sc, device_t dev, 3013 unsigned index) 3014 { 3015 struct uaudio_mixer_node *pmc; 3016 struct sysctl_oid *mixer_tree; 3017 struct sysctl_oid *control_tree; 3018 char buf[32]; 3019 int chan; 3020 int n; 3021 3022 if (index != 0) 3023 return; 3024 3025 mixer_tree = SYSCTL_ADD_NODE(device_get_sysctl_ctx(dev), 3026 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "mixer", 3027 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, ""); 3028 3029 if (mixer_tree == NULL) 3030 return; 3031 3032 for (n = 0, pmc = sc->sc_mixer_root; pmc != NULL; 3033 pmc = pmc->next, n++) { 3034 for (chan = 0; chan < pmc->nchan; chan++) { 3035 if (pmc->nchan > 1) { 3036 snprintf(buf, sizeof(buf), "%s_%d_%d", 3037 pmc->name, n, chan); 3038 } else { 3039 snprintf(buf, sizeof(buf), "%s_%d", 3040 pmc->name, n); 3041 } 3042 3043 control_tree = SYSCTL_ADD_NODE(device_get_sysctl_ctx(dev), 3044 SYSCTL_CHILDREN(mixer_tree), OID_AUTO, buf, 3045 CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, 3046 "Mixer control nodes"); 3047 3048 if (control_tree == NULL) 3049 continue; 3050 3051 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 3052 SYSCTL_CHILDREN(control_tree), 3053 OID_AUTO, "val", 3054 CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, 3055 sc, pmc->wValue[chan], 3056 uaudio_mixer_sysctl_handler, "I", "Current value"); 3057 3058 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 3059 SYSCTL_CHILDREN(control_tree), 3060 OID_AUTO, "min", CTLFLAG_RD, 0, pmc->minval, 3061 "Minimum value"); 3062 3063 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev), 3064 SYSCTL_CHILDREN(control_tree), 3065 OID_AUTO, "max", CTLFLAG_RD, 0, pmc->maxval, 3066 "Maximum value"); 3067 3068 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 3069 SYSCTL_CHILDREN(control_tree), 3070 OID_AUTO, "desc", CTLFLAG_RD, pmc->desc, 0, 3071 "Description"); 3072 } 3073 } 3074 } 3075 3076 /* M-Audio FastTrack Ultra Mixer Description */ 3077 /* Origin: Linux USB Audio driver */ 3078 static void 3079 uaudio_mixer_controls_create_ftu(struct uaudio_softc *sc) 3080 { 3081 int chx; 3082 int chy; 3083 3084 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3085 MIX(sc).wIndex = MAKE_WORD(6, sc->sc_mixer_iface_no); 3086 MIX(sc).wValue[0] = MAKE_WORD(8, 0); 3087 MIX(sc).type = MIX_UNSIGNED_16; 3088 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3089 MIX(sc).name = "effect"; 3090 MIX(sc).minval = 0; 3091 MIX(sc).maxval = 7; 3092 MIX(sc).mul = 7; 3093 MIX(sc).nchan = 1; 3094 MIX(sc).update[0] = 1; 3095 strlcpy(MIX(sc).desc, "Room1,2,3,Hall1,2,Plate,Delay,Echo", sizeof(MIX(sc).desc)); 3096 uaudio_mixer_add_ctl_sub(sc, &MIX(sc)); 3097 3098 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3099 MIX(sc).wIndex = MAKE_WORD(5, sc->sc_mixer_iface_no); 3100 3101 for (chx = 0; chx != 8; chx++) { 3102 for (chy = 0; chy != 8; chy++) { 3103 MIX(sc).wValue[0] = MAKE_WORD(chx + 1, chy + 1); 3104 MIX(sc).type = MIX_SIGNED_16; 3105 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3106 MIX(sc).name = "mix_rec"; 3107 MIX(sc).nchan = 1; 3108 MIX(sc).update[0] = 1; 3109 MIX(sc).val_default = 0; 3110 snprintf(MIX(sc).desc, sizeof(MIX(sc).desc), 3111 "AIn%d - Out%d Record Volume", chy + 1, chx + 1); 3112 3113 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3114 3115 MIX(sc).wValue[0] = MAKE_WORD(chx + 1, chy + 1 + 8); 3116 MIX(sc).type = MIX_SIGNED_16; 3117 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3118 MIX(sc).name = "mix_play"; 3119 MIX(sc).nchan = 1; 3120 MIX(sc).update[0] = 1; 3121 MIX(sc).val_default = (chx == chy) ? 2 : 0; 3122 snprintf(MIX(sc).desc, sizeof(MIX(sc).desc), 3123 "DIn%d - Out%d Playback Volume", chy + 1, chx + 1); 3124 3125 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3126 } 3127 } 3128 3129 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3130 MIX(sc).wIndex = MAKE_WORD(6, sc->sc_mixer_iface_no); 3131 MIX(sc).wValue[0] = MAKE_WORD(2, 0); 3132 MIX(sc).type = MIX_SIGNED_8; 3133 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3134 MIX(sc).name = "effect_vol"; 3135 MIX(sc).nchan = 1; 3136 MIX(sc).update[0] = 1; 3137 MIX(sc).minval = 0; 3138 MIX(sc).maxval = 0x7f; 3139 MIX(sc).mul = 0x7f; 3140 MIX(sc).nchan = 1; 3141 MIX(sc).update[0] = 1; 3142 strlcpy(MIX(sc).desc, "Effect Volume", sizeof(MIX(sc).desc)); 3143 uaudio_mixer_add_ctl_sub(sc, &MIX(sc)); 3144 3145 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3146 MIX(sc).wIndex = MAKE_WORD(6, sc->sc_mixer_iface_no); 3147 MIX(sc).wValue[0] = MAKE_WORD(3, 0); 3148 MIX(sc).type = MIX_SIGNED_16; 3149 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3150 MIX(sc).name = "effect_dur"; 3151 MIX(sc).nchan = 1; 3152 MIX(sc).update[0] = 1; 3153 MIX(sc).minval = 0; 3154 MIX(sc).maxval = 0x7f00; 3155 MIX(sc).mul = 0x7f00; 3156 MIX(sc).nchan = 1; 3157 MIX(sc).update[0] = 1; 3158 strlcpy(MIX(sc).desc, "Effect Duration", sizeof(MIX(sc).desc)); 3159 uaudio_mixer_add_ctl_sub(sc, &MIX(sc)); 3160 3161 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3162 MIX(sc).wIndex = MAKE_WORD(6, sc->sc_mixer_iface_no); 3163 MIX(sc).wValue[0] = MAKE_WORD(4, 0); 3164 MIX(sc).type = MIX_SIGNED_8; 3165 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3166 MIX(sc).name = "effect_fb"; 3167 MIX(sc).nchan = 1; 3168 MIX(sc).update[0] = 1; 3169 MIX(sc).minval = 0; 3170 MIX(sc).maxval = 0x7f; 3171 MIX(sc).mul = 0x7f; 3172 MIX(sc).nchan = 1; 3173 MIX(sc).update[0] = 1; 3174 strlcpy(MIX(sc).desc, "Effect Feedback Volume", sizeof(MIX(sc).desc)); 3175 uaudio_mixer_add_ctl_sub(sc, &MIX(sc)); 3176 3177 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3178 MIX(sc).wIndex = MAKE_WORD(7, sc->sc_mixer_iface_no); 3179 for (chy = 0; chy != 4; chy++) { 3180 MIX(sc).wValue[0] = MAKE_WORD(7, chy + 1); 3181 MIX(sc).type = MIX_SIGNED_16; 3182 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3183 MIX(sc).name = "effect_ret"; 3184 MIX(sc).nchan = 1; 3185 MIX(sc).update[0] = 1; 3186 snprintf(MIX(sc).desc, sizeof(MIX(sc).desc), 3187 "Effect Return %d Volume", chy + 1); 3188 3189 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3190 } 3191 3192 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3193 MIX(sc).wIndex = MAKE_WORD(5, sc->sc_mixer_iface_no); 3194 3195 for (chy = 0; chy != 8; chy++) { 3196 MIX(sc).wValue[0] = MAKE_WORD(9, chy + 1); 3197 MIX(sc).type = MIX_SIGNED_16; 3198 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3199 MIX(sc).name = "effect_send"; 3200 MIX(sc).nchan = 1; 3201 MIX(sc).update[0] = 1; 3202 snprintf(MIX(sc).desc, sizeof(MIX(sc).desc), 3203 "Effect Send AIn%d Volume", chy + 1); 3204 3205 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3206 3207 MIX(sc).wValue[0] = MAKE_WORD(9, chy + 1 + 8); 3208 MIX(sc).type = MIX_SIGNED_16; 3209 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3210 MIX(sc).name = "effect_send"; 3211 MIX(sc).nchan = 1; 3212 MIX(sc).update[0] = 1; 3213 snprintf(MIX(sc).desc, sizeof(MIX(sc).desc), 3214 "Effect Send DIn%d Volume", chy + 1); 3215 3216 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3217 } 3218 } 3219 3220 static void 3221 uaudio_mixer_reload_all(struct uaudio_softc *sc) 3222 { 3223 struct uaudio_mixer_node *pmc; 3224 int chan; 3225 3226 if (sc->sc_child[0].mixer_lock == NULL) 3227 return; 3228 3229 mtx_lock(sc->sc_child[0].mixer_lock); 3230 for (pmc = sc->sc_mixer_root; pmc != NULL; pmc = pmc->next) { 3231 /* use reset defaults for non-oss controlled settings */ 3232 if (pmc->ctl == SOUND_MIXER_NRDEVICES) 3233 continue; 3234 for (chan = 0; chan < pmc->nchan; chan++) 3235 pmc->update[chan / 8] |= (1 << (chan % 8)); 3236 } 3237 usbd_transfer_start(sc->sc_mixer_xfer[0]); 3238 3239 /* start HID volume keys, if any */ 3240 usbd_transfer_start(sc->sc_hid.xfer[0]); 3241 mtx_unlock(sc->sc_child[0].mixer_lock); 3242 } 3243 3244 static void 3245 uaudio_mixer_add_ctl_sub(struct uaudio_softc *sc, struct uaudio_mixer_node *mc) 3246 { 3247 struct uaudio_mixer_node *p_mc_new = 3248 malloc(sizeof(*p_mc_new), M_USBDEV, M_WAITOK); 3249 int ch; 3250 3251 memcpy(p_mc_new, mc, sizeof(*p_mc_new)); 3252 p_mc_new->next = sc->sc_mixer_root; 3253 sc->sc_mixer_root = p_mc_new; 3254 sc->sc_mixer_count++; 3255 3256 /* set default value for all channels */ 3257 for (ch = 0; ch < p_mc_new->nchan; ch++) { 3258 switch (p_mc_new->val_default) { 3259 case 1: 3260 /* 50% */ 3261 p_mc_new->wData[ch] = (p_mc_new->maxval + p_mc_new->minval) / 2; 3262 break; 3263 case 2: 3264 /* 100% */ 3265 p_mc_new->wData[ch] = p_mc_new->maxval; 3266 break; 3267 default: 3268 /* 0% */ 3269 p_mc_new->wData[ch] = p_mc_new->minval; 3270 break; 3271 } 3272 } 3273 } 3274 3275 static void 3276 uaudio_mixer_add_ctl(struct uaudio_softc *sc, struct uaudio_mixer_node *mc) 3277 { 3278 int32_t res; 3279 3280 DPRINTF("adding %d\n", mc->ctl); 3281 3282 if (mc->type == MIX_ON_OFF) { 3283 mc->minval = 0; 3284 mc->maxval = 1; 3285 } else if (mc->type == MIX_SELECTOR) { 3286 } else { 3287 /* determine min and max values */ 3288 3289 mc->minval = uaudio_mixer_get(sc->sc_udev, 3290 sc->sc_audio_rev, GET_MIN, mc); 3291 mc->maxval = uaudio_mixer_get(sc->sc_udev, 3292 sc->sc_audio_rev, GET_MAX, mc); 3293 3294 /* check if max and min was swapped */ 3295 3296 if (mc->maxval < mc->minval) { 3297 res = mc->maxval; 3298 mc->maxval = mc->minval; 3299 mc->minval = res; 3300 } 3301 3302 /* compute value range */ 3303 mc->mul = mc->maxval - mc->minval; 3304 if (mc->mul == 0) 3305 mc->mul = 1; 3306 3307 /* compute value alignment */ 3308 res = uaudio_mixer_get(sc->sc_udev, 3309 sc->sc_audio_rev, GET_RES, mc); 3310 3311 DPRINTF("Resolution = %d\n", (int)res); 3312 } 3313 3314 uaudio_mixer_add_ctl_sub(sc, mc); 3315 3316 #ifdef USB_DEBUG 3317 if (uaudio_debug > 2) { 3318 uint8_t i; 3319 3320 for (i = 0; i < mc->nchan; i++) { 3321 DPRINTF("[mix] wValue=%04x\n", mc->wValue[0]); 3322 } 3323 DPRINTF("[mix] wIndex=%04x type=%d ctl='%d' " 3324 "min=%d max=%d\n", 3325 mc->wIndex, mc->type, mc->ctl, 3326 mc->minval, mc->maxval); 3327 } 3328 #endif 3329 } 3330 3331 static void 3332 uaudio_mixer_add_mixer(struct uaudio_softc *sc, 3333 const struct uaudio_terminal_node *iot, int id) 3334 { 3335 const struct usb_audio_mixer_unit_0 *d0 = iot[id].u.mu_v1; 3336 const struct usb_audio_mixer_unit_1 *d1; 3337 3338 uint32_t bno; /* bit number */ 3339 uint32_t p; /* bit number accumulator */ 3340 uint32_t mo; /* matching outputs */ 3341 uint32_t mc; /* matching channels */ 3342 uint32_t ichs; /* input channels */ 3343 uint32_t ochs; /* output channels */ 3344 uint32_t c; 3345 uint32_t chs; /* channels */ 3346 uint32_t i; 3347 uint32_t o; 3348 3349 DPRINTFN(3, "bUnitId=%d bNrInPins=%d\n", 3350 d0->bUnitId, d0->bNrInPins); 3351 3352 /* compute the number of input channels */ 3353 3354 ichs = 0; 3355 for (i = 0; i < d0->bNrInPins; i++) { 3356 ichs += uaudio_mixer_get_cluster( 3357 d0->baSourceId[i], iot).bNrChannels; 3358 } 3359 3360 d1 = (const void *)(d0->baSourceId + d0->bNrInPins); 3361 3362 /* and the number of output channels */ 3363 3364 ochs = d1->bNrChannels; 3365 3366 DPRINTFN(3, "ichs=%d ochs=%d\n", ichs, ochs); 3367 3368 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3369 3370 MIX(sc).wIndex = MAKE_WORD(d0->bUnitId, sc->sc_mixer_iface_no); 3371 MIX(sc).type = MIX_SIGNED_16; 3372 3373 if (uaudio_mixer_verify_desc(d0, ((ichs * ochs) + 7) / 8) == NULL) 3374 return; 3375 3376 for (p = i = 0; i < d0->bNrInPins; i++) { 3377 chs = uaudio_mixer_get_cluster( 3378 d0->baSourceId[i], iot).bNrChannels; 3379 mc = 0; 3380 for (c = 0; c < chs; c++) { 3381 mo = 0; 3382 for (o = 0; o < ochs; o++) { 3383 bno = ((p + c) * ochs) + o; 3384 if (BIT_TEST(d1->bmControls, bno)) 3385 mo++; 3386 } 3387 if (mo == 1) 3388 mc++; 3389 } 3390 if ((mc == chs) && (chs <= MIX_MAX_CHAN)) { 3391 /* repeat bit-scan */ 3392 3393 mc = 0; 3394 for (c = 0; c < chs; c++) { 3395 for (o = 0; o < ochs; o++) { 3396 bno = ((p + c) * ochs) + o; 3397 if (BIT_TEST(d1->bmControls, bno)) 3398 MIX(sc).wValue[mc++] = MAKE_WORD(p + c + 1, o + 1); 3399 } 3400 } 3401 MIX(sc).nchan = chs; 3402 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3403 } 3404 p += chs; 3405 } 3406 } 3407 3408 static void 3409 uaudio20_mixer_add_mixer(struct uaudio_softc *sc, 3410 const struct uaudio_terminal_node *iot, int id) 3411 { 3412 const struct usb_audio20_mixer_unit_0 *d0 = iot[id].u.mu_v2; 3413 const struct usb_audio20_mixer_unit_1 *d1; 3414 3415 uint32_t bno; /* bit number */ 3416 uint32_t p; /* bit number accumulator */ 3417 uint32_t mo; /* matching outputs */ 3418 uint32_t mc; /* matching channels */ 3419 uint32_t ichs; /* input channels */ 3420 uint32_t ochs; /* output channels */ 3421 uint32_t c; 3422 uint32_t chs; /* channels */ 3423 uint32_t i; 3424 uint32_t o; 3425 3426 DPRINTFN(3, "bUnitId=%d bNrInPins=%d\n", 3427 d0->bUnitId, d0->bNrInPins); 3428 3429 /* compute the number of input channels */ 3430 3431 ichs = 0; 3432 for (i = 0; i < d0->bNrInPins; i++) { 3433 ichs += uaudio20_mixer_get_cluster( 3434 d0->baSourceId[i], iot).bNrChannels; 3435 } 3436 3437 d1 = (const void *)(d0->baSourceId + d0->bNrInPins); 3438 3439 /* and the number of output channels */ 3440 3441 ochs = d1->bNrChannels; 3442 3443 DPRINTFN(3, "ichs=%d ochs=%d\n", ichs, ochs); 3444 3445 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3446 3447 MIX(sc).wIndex = MAKE_WORD(d0->bUnitId, sc->sc_mixer_iface_no); 3448 MIX(sc).type = MIX_SIGNED_16; 3449 3450 if (uaudio20_mixer_verify_desc(d0, ((ichs * ochs) + 7) / 8) == NULL) 3451 return; 3452 3453 for (p = i = 0; i < d0->bNrInPins; i++) { 3454 chs = uaudio20_mixer_get_cluster( 3455 d0->baSourceId[i], iot).bNrChannels; 3456 mc = 0; 3457 for (c = 0; c < chs; c++) { 3458 mo = 0; 3459 for (o = 0; o < ochs; o++) { 3460 bno = ((p + c) * ochs) + o; 3461 if (BIT_TEST(d1->bmControls, bno)) 3462 mo++; 3463 } 3464 if (mo == 1) 3465 mc++; 3466 } 3467 if ((mc == chs) && (chs <= MIX_MAX_CHAN)) { 3468 /* repeat bit-scan */ 3469 3470 mc = 0; 3471 for (c = 0; c < chs; c++) { 3472 for (o = 0; o < ochs; o++) { 3473 bno = ((p + c) * ochs) + o; 3474 if (BIT_TEST(d1->bmControls, bno)) 3475 MIX(sc).wValue[mc++] = MAKE_WORD(p + c + 1, o + 1); 3476 } 3477 } 3478 MIX(sc).nchan = chs; 3479 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3480 } 3481 p += chs; 3482 } 3483 } 3484 3485 static void 3486 uaudio_mixer_check_selectors(struct uaudio_softc *sc) 3487 { 3488 uint8_t reserve_feature[] = { 3489 SOUND_MIXER_LINE, 3490 SOUND_MIXER_LINE1, 3491 SOUND_MIXER_LINE2, 3492 SOUND_MIXER_LINE3, 3493 SOUND_MIXER_DIGITAL1, 3494 SOUND_MIXER_DIGITAL2, 3495 SOUND_MIXER_DIGITAL3, 3496 }; 3497 const uint16_t reserve_max = 3498 sizeof(reserve_feature) / sizeof(reserve_feature[0]); 3499 uint16_t i; 3500 uint16_t j; 3501 uint16_t k; 3502 3503 /* remove existing selector types from the reserve */ 3504 for (i = 0; i < MIX(sc).maxval; i++) { 3505 if (MIX(sc).slctrtype[i] == SOUND_MIXER_NRDEVICES) 3506 continue; 3507 for (j = 0; j != reserve_max; j++) { 3508 if (reserve_feature[j] == MIX(sc).slctrtype[i]) 3509 reserve_feature[j] = SOUND_MIXER_NRDEVICES; 3510 } 3511 } 3512 3513 /* make sure selector types are not overlapping */ 3514 for (i = 0; i < MIX(sc).maxval; i++) { 3515 if (MIX(sc).slctrtype[i] == SOUND_MIXER_NRDEVICES) 3516 continue; 3517 for (j = i + 1; j < MIX(sc).maxval; j++) { 3518 if (MIX(sc).slctrtype[j] == SOUND_MIXER_NRDEVICES) 3519 continue; 3520 if (MIX(sc).slctrtype[i] != MIX(sc).slctrtype[j]) 3521 continue; 3522 for (k = 0; k != reserve_max; k++) { 3523 if (reserve_feature[k] == SOUND_MIXER_NRDEVICES) 3524 continue; 3525 MIX(sc).slctrtype[j] = reserve_feature[k]; 3526 reserve_feature[k] = SOUND_MIXER_NRDEVICES; 3527 break; 3528 } 3529 if (k == reserve_max) { 3530 DPRINTF("Selector type %d is not selectable!\n", j); 3531 MIX(sc).slctrtype[j] = SOUND_MIXER_NRDEVICES; 3532 } 3533 } 3534 } 3535 } 3536 3537 static void 3538 uaudio_mixer_add_selector(struct uaudio_softc *sc, 3539 const struct uaudio_terminal_node *iot, int id) 3540 { 3541 const struct usb_audio_selector_unit *d = iot[id].u.su_v1; 3542 uint16_t i; 3543 3544 DPRINTFN(3, "bUnitId=%d bNrInPins=%d\n", 3545 d->bUnitId, d->bNrInPins); 3546 3547 if (d->bNrInPins == 0) 3548 return; 3549 3550 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3551 3552 MIX(sc).wIndex = MAKE_WORD(d->bUnitId, sc->sc_mixer_iface_no); 3553 MIX(sc).wValue[0] = MAKE_WORD(0, 0); 3554 MIX(sc).nchan = 1; 3555 MIX(sc).type = MIX_SELECTOR; 3556 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3557 MIX(sc).minval = 1; 3558 MIX(sc).maxval = d->bNrInPins; 3559 MIX(sc).name = "selector"; 3560 3561 i = d->baSourceId[d->bNrInPins]; 3562 if (i == 0 || 3563 usbd_req_get_string_any(sc->sc_udev, NULL, 3564 MIX(sc).desc, sizeof(MIX(sc).desc), i) != 0) { 3565 MIX(sc).desc[0] = 0; 3566 } 3567 3568 if (MIX(sc).maxval > MAX_SELECTOR_INPUT_PIN) 3569 MIX(sc).maxval = MAX_SELECTOR_INPUT_PIN; 3570 3571 MIX(sc).mul = MIX(sc).maxval - MIX(sc).minval; 3572 3573 for (i = 0; i < MIX(sc).maxval; i++) { 3574 MIX(sc).slctrtype[i] = 3575 uaudio_mixer_determine_class(&iot[d->baSourceId[i]]); 3576 } 3577 for (; i < MAX_SELECTOR_INPUT_PIN; i++) 3578 MIX(sc).slctrtype[i] = SOUND_MIXER_NRDEVICES; 3579 3580 uaudio_mixer_check_selectors(sc); 3581 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3582 } 3583 3584 static void 3585 uaudio20_mixer_add_selector(struct uaudio_softc *sc, 3586 const struct uaudio_terminal_node *iot, int id) 3587 { 3588 const struct usb_audio20_selector_unit *d = iot[id].u.su_v2; 3589 uint16_t i; 3590 3591 DPRINTFN(3, "bUnitId=%d bNrInPins=%d\n", 3592 d->bUnitId, d->bNrInPins); 3593 3594 if (d->bNrInPins == 0) 3595 return; 3596 3597 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3598 3599 MIX(sc).wIndex = MAKE_WORD(d->bUnitId, sc->sc_mixer_iface_no); 3600 MIX(sc).wValue[0] = MAKE_WORD(0, 0); 3601 MIX(sc).nchan = 1; 3602 MIX(sc).type = MIX_SELECTOR; 3603 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; 3604 MIX(sc).minval = 1; 3605 MIX(sc).maxval = d->bNrInPins; 3606 MIX(sc).name = "selector"; 3607 3608 i = d->baSourceId[d->bNrInPins]; 3609 if (i == 0 || 3610 usbd_req_get_string_any(sc->sc_udev, NULL, 3611 MIX(sc).desc, sizeof(MIX(sc).desc), i) != 0) { 3612 MIX(sc).desc[0] = 0; 3613 } 3614 3615 if (MIX(sc).maxval > MAX_SELECTOR_INPUT_PIN) 3616 MIX(sc).maxval = MAX_SELECTOR_INPUT_PIN; 3617 3618 MIX(sc).mul = MIX(sc).maxval - MIX(sc).minval; 3619 3620 for (i = 0; i < MIX(sc).maxval; i++) { 3621 MIX(sc).slctrtype[i] = 3622 uaudio20_mixer_determine_class(&iot[d->baSourceId[i]]); 3623 } 3624 for (; i < MAX_SELECTOR_INPUT_PIN; i++) 3625 MIX(sc).slctrtype[i] = SOUND_MIXER_NRDEVICES; 3626 3627 uaudio_mixer_check_selectors(sc); 3628 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3629 } 3630 3631 static uint32_t 3632 uaudio_mixer_feature_get_bmaControls(const struct usb_audio_feature_unit *d, 3633 uint8_t i) 3634 { 3635 uint32_t temp = 0; 3636 uint32_t offset = (i * d->bControlSize); 3637 3638 if (d->bControlSize > 0) { 3639 temp |= d->bmaControls[offset]; 3640 if (d->bControlSize > 1) { 3641 temp |= d->bmaControls[offset + 1] << 8; 3642 if (d->bControlSize > 2) { 3643 temp |= d->bmaControls[offset + 2] << 16; 3644 if (d->bControlSize > 3) { 3645 temp |= d->bmaControls[offset + 3] << 24; 3646 } 3647 } 3648 } 3649 } 3650 return (temp); 3651 } 3652 3653 static void 3654 uaudio_mixer_add_feature(struct uaudio_softc *sc, 3655 const struct uaudio_terminal_node *iot, int id) 3656 { 3657 const struct usb_audio_feature_unit *d = iot[id].u.fu_v1; 3658 uint32_t fumask; 3659 uint32_t mmask; 3660 uint32_t cmask; 3661 uint16_t mixernumber; 3662 uint8_t nchan; 3663 uint8_t chan; 3664 uint8_t ctl; 3665 uint8_t i; 3666 3667 if (d->bControlSize == 0) 3668 return; 3669 3670 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3671 3672 nchan = (d->bLength - 7) / d->bControlSize; 3673 mmask = uaudio_mixer_feature_get_bmaControls(d, 0); 3674 cmask = 0; 3675 3676 if (nchan == 0) 3677 return; 3678 3679 /* figure out what we can control */ 3680 3681 for (chan = 1; chan < nchan; chan++) { 3682 DPRINTFN(10, "chan=%d mask=%x\n", 3683 chan, uaudio_mixer_feature_get_bmaControls(d, chan)); 3684 3685 cmask |= uaudio_mixer_feature_get_bmaControls(d, chan); 3686 } 3687 3688 MIX(sc).wIndex = MAKE_WORD(d->bUnitId, sc->sc_mixer_iface_no); 3689 3690 i = d->bmaControls[nchan * d->bControlSize]; 3691 if (i == 0 || 3692 usbd_req_get_string_any(sc->sc_udev, NULL, 3693 MIX(sc).desc, sizeof(MIX(sc).desc), i) != 0) { 3694 MIX(sc).desc[0] = 0; 3695 } 3696 3697 if (nchan > MIX_MAX_CHAN) 3698 nchan = MIX_MAX_CHAN; 3699 3700 for (ctl = 1; ctl <= LOUDNESS_CONTROL; ctl++) { 3701 fumask = FU_MASK(ctl); 3702 3703 DPRINTFN(5, "ctl=%d fumask=0x%04x\n", 3704 ctl, fumask); 3705 3706 if (mmask & fumask) { 3707 MIX(sc).nchan = 1; 3708 MIX(sc).wValue[0] = MAKE_WORD(ctl, 0); 3709 } else if (cmask & fumask) { 3710 MIX(sc).nchan = nchan - 1; 3711 for (i = 1; i < nchan; i++) { 3712 if (uaudio_mixer_feature_get_bmaControls(d, i) & fumask) 3713 MIX(sc).wValue[i - 1] = MAKE_WORD(ctl, i); 3714 else 3715 MIX(sc).wValue[i - 1] = -1; 3716 } 3717 } else { 3718 continue; 3719 } 3720 3721 mixernumber = uaudio_mixer_determine_class(&iot[id]); 3722 3723 switch (ctl) { 3724 case MUTE_CONTROL: 3725 MIX(sc).type = MIX_ON_OFF; 3726 MIX(sc).ctl = SOUND_MIXER_MUTE; 3727 MIX(sc).name = "mute"; 3728 break; 3729 3730 case VOLUME_CONTROL: 3731 MIX(sc).type = MIX_SIGNED_16; 3732 MIX(sc).ctl = mixernumber; 3733 MIX(sc).name = "vol"; 3734 break; 3735 3736 case BASS_CONTROL: 3737 MIX(sc).type = MIX_SIGNED_8; 3738 MIX(sc).ctl = SOUND_MIXER_BASS; 3739 MIX(sc).name = "bass"; 3740 break; 3741 3742 case MID_CONTROL: 3743 MIX(sc).type = MIX_SIGNED_8; 3744 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3745 MIX(sc).name = "mid"; 3746 break; 3747 3748 case TREBLE_CONTROL: 3749 MIX(sc).type = MIX_SIGNED_8; 3750 MIX(sc).ctl = SOUND_MIXER_TREBLE; 3751 MIX(sc).name = "treble"; 3752 break; 3753 3754 case GRAPHIC_EQUALIZER_CONTROL: 3755 continue; /* XXX don't add anything */ 3756 3757 case AGC_CONTROL: 3758 MIX(sc).type = MIX_ON_OFF; 3759 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3760 MIX(sc).name = "agc"; 3761 break; 3762 3763 case DELAY_CONTROL: 3764 MIX(sc).type = MIX_UNSIGNED_16; 3765 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3766 MIX(sc).name = "delay"; 3767 break; 3768 3769 case BASS_BOOST_CONTROL: 3770 MIX(sc).type = MIX_ON_OFF; 3771 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3772 MIX(sc).name = "boost"; 3773 break; 3774 3775 case LOUDNESS_CONTROL: 3776 MIX(sc).type = MIX_ON_OFF; 3777 MIX(sc).ctl = SOUND_MIXER_LOUD; /* Is this correct ? */ 3778 MIX(sc).name = "loudness"; 3779 break; 3780 3781 default: 3782 MIX(sc).type = MIX_UNKNOWN; 3783 break; 3784 } 3785 3786 if (MIX(sc).type != MIX_UNKNOWN) 3787 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3788 } 3789 } 3790 3791 static void 3792 uaudio20_mixer_add_feature(struct uaudio_softc *sc, 3793 const struct uaudio_terminal_node *iot, int id) 3794 { 3795 const struct usb_audio20_feature_unit *d = iot[id].u.fu_v2; 3796 uint32_t ctl; 3797 uint32_t mmask; 3798 uint32_t cmask; 3799 uint16_t mixernumber; 3800 uint8_t nchan; 3801 uint8_t chan; 3802 uint8_t i; 3803 uint8_t what; 3804 3805 if (UGETDW(d->bmaControls[0]) == 0) 3806 return; 3807 3808 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3809 3810 nchan = (d->bLength - 6) / 4; 3811 mmask = UGETDW(d->bmaControls[0]); 3812 cmask = 0; 3813 3814 if (nchan == 0) 3815 return; 3816 3817 /* figure out what we can control */ 3818 3819 for (chan = 1; chan < nchan; chan++) 3820 cmask |= UGETDW(d->bmaControls[chan]); 3821 3822 MIX(sc).wIndex = MAKE_WORD(d->bUnitId, sc->sc_mixer_iface_no); 3823 3824 i = d->bmaControls[nchan][0]; 3825 if (i == 0 || 3826 usbd_req_get_string_any(sc->sc_udev, NULL, 3827 MIX(sc).desc, sizeof(MIX(sc).desc), i) != 0) { 3828 MIX(sc).desc[0] = 0; 3829 } 3830 3831 if (nchan > MIX_MAX_CHAN) 3832 nchan = MIX_MAX_CHAN; 3833 3834 for (ctl = 3; ctl != 0; ctl <<= 2) { 3835 mixernumber = uaudio20_mixer_determine_class(&iot[id]); 3836 3837 switch (ctl) { 3838 case (3 << 0): 3839 MIX(sc).type = MIX_ON_OFF; 3840 MIX(sc).ctl = SOUND_MIXER_MUTE; 3841 MIX(sc).name = "mute"; 3842 what = MUTE_CONTROL; 3843 break; 3844 case (3 << 2): 3845 MIX(sc).type = MIX_SIGNED_16; 3846 MIX(sc).ctl = mixernumber; 3847 MIX(sc).name = "vol"; 3848 what = VOLUME_CONTROL; 3849 break; 3850 case (3 << 4): 3851 MIX(sc).type = MIX_SIGNED_8; 3852 MIX(sc).ctl = SOUND_MIXER_BASS; 3853 MIX(sc).name = "bass"; 3854 what = BASS_CONTROL; 3855 break; 3856 case (3 << 6): 3857 MIX(sc).type = MIX_SIGNED_8; 3858 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3859 MIX(sc).name = "mid"; 3860 what = MID_CONTROL; 3861 break; 3862 case (3 << 8): 3863 MIX(sc).type = MIX_SIGNED_8; 3864 MIX(sc).ctl = SOUND_MIXER_TREBLE; 3865 MIX(sc).name = "treble"; 3866 what = TREBLE_CONTROL; 3867 break; 3868 case (3 << 12): 3869 MIX(sc).type = MIX_ON_OFF; 3870 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3871 MIX(sc).name = "agc"; 3872 what = AGC_CONTROL; 3873 break; 3874 case (3 << 14): 3875 MIX(sc).type = MIX_UNSIGNED_16; 3876 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3877 MIX(sc).name = "delay"; 3878 what = DELAY_CONTROL; 3879 break; 3880 case (3 << 16): 3881 MIX(sc).type = MIX_ON_OFF; 3882 MIX(sc).ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */ 3883 MIX(sc).name = "boost"; 3884 what = BASS_BOOST_CONTROL; 3885 break; 3886 case (3 << 18): 3887 MIX(sc).type = MIX_ON_OFF; 3888 MIX(sc).ctl = SOUND_MIXER_LOUD; /* Is this correct ? */ 3889 MIX(sc).name = "loudness"; 3890 what = LOUDNESS_CONTROL; 3891 break; 3892 case (3 << 20): 3893 MIX(sc).type = MIX_SIGNED_16; 3894 MIX(sc).ctl = mixernumber; 3895 MIX(sc).name = "igain"; 3896 what = INPUT_GAIN_CONTROL; 3897 break; 3898 case (3 << 22): 3899 MIX(sc).type = MIX_SIGNED_16; 3900 MIX(sc).ctl = mixernumber; 3901 MIX(sc).name = "igainpad"; 3902 what = INPUT_GAIN_PAD_CONTROL; 3903 break; 3904 default: 3905 continue; 3906 } 3907 3908 if ((mmask & ctl) == ctl) { 3909 MIX(sc).nchan = 1; 3910 MIX(sc).wValue[0] = MAKE_WORD(what, 0); 3911 } else if ((cmask & ctl) == ctl) { 3912 MIX(sc).nchan = nchan - 1; 3913 for (i = 1; i < nchan; i++) { 3914 if ((UGETDW(d->bmaControls[i]) & ctl) == ctl) 3915 MIX(sc).wValue[i - 1] = MAKE_WORD(what, i); 3916 else 3917 MIX(sc).wValue[i - 1] = -1; 3918 } 3919 } else { 3920 continue; 3921 } 3922 3923 if (MIX(sc).type != MIX_UNKNOWN) 3924 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3925 } 3926 } 3927 3928 static void 3929 uaudio_mixer_add_processing_updown(struct uaudio_softc *sc, 3930 const struct uaudio_terminal_node *iot, int id) 3931 { 3932 const struct usb_audio_processing_unit_0 *d0 = iot[id].u.pu_v1; 3933 const struct usb_audio_processing_unit_1 *d1 = 3934 (const void *)(d0->baSourceId + d0->bNrInPins); 3935 const struct usb_audio_processing_unit_updown *ud = 3936 (const void *)(d1->bmControls + d1->bControlSize); 3937 uint8_t i; 3938 3939 if (uaudio_mixer_verify_desc(d0, sizeof(*ud)) == NULL) { 3940 return; 3941 } 3942 if (uaudio_mixer_verify_desc(d0, sizeof(*ud) + (2 * ud->bNrModes)) 3943 == NULL) { 3944 return; 3945 } 3946 DPRINTFN(3, "bUnitId=%d bNrModes=%d\n", 3947 d0->bUnitId, ud->bNrModes); 3948 3949 if (!(d1->bmControls[0] & UA_PROC_MASK(UD_MODE_SELECT_CONTROL))) { 3950 DPRINTF("no mode select\n"); 3951 return; 3952 } 3953 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3954 3955 MIX(sc).wIndex = MAKE_WORD(d0->bUnitId, sc->sc_mixer_iface_no); 3956 MIX(sc).nchan = 1; 3957 MIX(sc).wValue[0] = MAKE_WORD(UD_MODE_SELECT_CONTROL, 0); 3958 MIX(sc).type = MIX_ON_OFF; /* XXX */ 3959 3960 for (i = 0; i < ud->bNrModes; i++) { 3961 DPRINTFN(3, "i=%d bm=0x%x\n", i, UGETW(ud->waModes[i])); 3962 /* XXX */ 3963 } 3964 3965 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3966 } 3967 3968 static void 3969 uaudio_mixer_add_processing(struct uaudio_softc *sc, 3970 const struct uaudio_terminal_node *iot, int id) 3971 { 3972 const struct usb_audio_processing_unit_0 *d0 = iot[id].u.pu_v1; 3973 const struct usb_audio_processing_unit_1 *d1 = 3974 (const void *)(d0->baSourceId + d0->bNrInPins); 3975 uint16_t ptype; 3976 3977 memset(&MIX(sc), 0, sizeof(MIX(sc))); 3978 3979 ptype = UGETW(d0->wProcessType); 3980 3981 DPRINTFN(3, "wProcessType=%d bUnitId=%d " 3982 "bNrInPins=%d\n", ptype, d0->bUnitId, d0->bNrInPins); 3983 3984 if (d1->bControlSize == 0) { 3985 return; 3986 } 3987 if (d1->bmControls[0] & UA_PROC_ENABLE_MASK) { 3988 MIX(sc).wIndex = MAKE_WORD(d0->bUnitId, sc->sc_mixer_iface_no); 3989 MIX(sc).nchan = 1; 3990 MIX(sc).wValue[0] = MAKE_WORD(XX_ENABLE_CONTROL, 0); 3991 MIX(sc).type = MIX_ON_OFF; 3992 uaudio_mixer_add_ctl(sc, &MIX(sc)); 3993 } 3994 switch (ptype) { 3995 case UPDOWNMIX_PROCESS: 3996 uaudio_mixer_add_processing_updown(sc, iot, id); 3997 break; 3998 3999 case DOLBY_PROLOGIC_PROCESS: 4000 case P3D_STEREO_EXTENDER_PROCESS: 4001 case REVERBATION_PROCESS: 4002 case CHORUS_PROCESS: 4003 case DYN_RANGE_COMP_PROCESS: 4004 default: 4005 DPRINTF("unit %d, type=%d is not implemented\n", 4006 d0->bUnitId, ptype); 4007 break; 4008 } 4009 } 4010 4011 static void 4012 uaudio_mixer_add_extension(struct uaudio_softc *sc, 4013 const struct uaudio_terminal_node *iot, int id) 4014 { 4015 const struct usb_audio_extension_unit_0 *d0 = iot[id].u.eu_v1; 4016 const struct usb_audio_extension_unit_1 *d1 = 4017 (const void *)(d0->baSourceId + d0->bNrInPins); 4018 4019 DPRINTFN(3, "bUnitId=%d bNrInPins=%d\n", 4020 d0->bUnitId, d0->bNrInPins); 4021 4022 if (sc->sc_uq_au_no_xu) { 4023 return; 4024 } 4025 if (d1->bControlSize == 0) { 4026 return; 4027 } 4028 if (d1->bmControls[0] & UA_EXT_ENABLE_MASK) { 4029 memset(&MIX(sc), 0, sizeof(MIX(sc))); 4030 4031 MIX(sc).wIndex = MAKE_WORD(d0->bUnitId, sc->sc_mixer_iface_no); 4032 MIX(sc).nchan = 1; 4033 MIX(sc).wValue[0] = MAKE_WORD(UA_EXT_ENABLE, 0); 4034 MIX(sc).type = MIX_ON_OFF; 4035 4036 uaudio_mixer_add_ctl(sc, &MIX(sc)); 4037 } 4038 } 4039 4040 static const void * 4041 uaudio_mixer_verify_desc(const void *arg, uint32_t len) 4042 { 4043 const struct usb_audio_mixer_unit_1 *d1; 4044 const struct usb_audio_extension_unit_1 *e1; 4045 const struct usb_audio_processing_unit_1 *u1; 4046 4047 union { 4048 const struct usb_descriptor *desc; 4049 const struct usb_audio_input_terminal *it; 4050 const struct usb_audio_output_terminal *ot; 4051 const struct usb_audio_mixer_unit_0 *mu; 4052 const struct usb_audio_selector_unit *su; 4053 const struct usb_audio_feature_unit *fu; 4054 const struct usb_audio_processing_unit_0 *pu; 4055 const struct usb_audio_extension_unit_0 *eu; 4056 } u; 4057 4058 u.desc = arg; 4059 4060 if (u.desc == NULL) { 4061 goto error; 4062 } 4063 if (u.desc->bDescriptorType != UDESC_CS_INTERFACE) { 4064 goto error; 4065 } 4066 switch (u.desc->bDescriptorSubtype) { 4067 case UDESCSUB_AC_INPUT: 4068 len += sizeof(*u.it); 4069 break; 4070 4071 case UDESCSUB_AC_OUTPUT: 4072 len += sizeof(*u.ot); 4073 break; 4074 4075 case UDESCSUB_AC_MIXER: 4076 len += sizeof(*u.mu); 4077 4078 if (u.desc->bLength < len) { 4079 goto error; 4080 } 4081 len += u.mu->bNrInPins; 4082 4083 if (u.desc->bLength < len) { 4084 goto error; 4085 } 4086 d1 = (const void *)(u.mu->baSourceId + u.mu->bNrInPins); 4087 4088 len += sizeof(*d1); 4089 break; 4090 4091 case UDESCSUB_AC_SELECTOR: 4092 len += sizeof(*u.su); 4093 4094 if (u.desc->bLength < len) { 4095 goto error; 4096 } 4097 len += u.su->bNrInPins + 1; 4098 break; 4099 4100 case UDESCSUB_AC_FEATURE: 4101 len += sizeof(*u.fu) + 1; 4102 4103 if (u.desc->bLength < len) 4104 goto error; 4105 4106 len += u.fu->bControlSize; 4107 break; 4108 4109 case UDESCSUB_AC_PROCESSING: 4110 len += sizeof(*u.pu); 4111 4112 if (u.desc->bLength < len) { 4113 goto error; 4114 } 4115 len += u.pu->bNrInPins; 4116 4117 if (u.desc->bLength < len) { 4118 goto error; 4119 } 4120 u1 = (const void *)(u.pu->baSourceId + u.pu->bNrInPins); 4121 4122 len += sizeof(*u1); 4123 4124 if (u.desc->bLength < len) { 4125 goto error; 4126 } 4127 len += u1->bControlSize; 4128 4129 break; 4130 4131 case UDESCSUB_AC_EXTENSION: 4132 len += sizeof(*u.eu); 4133 4134 if (u.desc->bLength < len) { 4135 goto error; 4136 } 4137 len += u.eu->bNrInPins; 4138 4139 if (u.desc->bLength < len) { 4140 goto error; 4141 } 4142 e1 = (const void *)(u.eu->baSourceId + u.eu->bNrInPins); 4143 4144 len += sizeof(*e1); 4145 4146 if (u.desc->bLength < len) { 4147 goto error; 4148 } 4149 len += e1->bControlSize; 4150 break; 4151 4152 default: 4153 goto error; 4154 } 4155 4156 if (u.desc->bLength < len) { 4157 goto error; 4158 } 4159 return (u.desc); 4160 4161 error: 4162 if (u.desc) { 4163 DPRINTF("invalid descriptor, type=%d, " 4164 "sub_type=%d, len=%d of %d bytes\n", 4165 u.desc->bDescriptorType, 4166 u.desc->bDescriptorSubtype, 4167 u.desc->bLength, len); 4168 } 4169 return (NULL); 4170 } 4171 4172 static const void * 4173 uaudio20_mixer_verify_desc(const void *arg, uint32_t len) 4174 { 4175 const struct usb_audio20_mixer_unit_1 *d1; 4176 const struct usb_audio20_extension_unit_1 *e1; 4177 const struct usb_audio20_processing_unit_1 *u1; 4178 const struct usb_audio20_clock_selector_unit_1 *c1; 4179 4180 union { 4181 const struct usb_descriptor *desc; 4182 const struct usb_audio20_clock_source_unit *csrc; 4183 const struct usb_audio20_clock_selector_unit_0 *csel; 4184 const struct usb_audio20_clock_multiplier_unit *cmul; 4185 const struct usb_audio20_input_terminal *it; 4186 const struct usb_audio20_output_terminal *ot; 4187 const struct usb_audio20_mixer_unit_0 *mu; 4188 const struct usb_audio20_selector_unit *su; 4189 const struct usb_audio20_feature_unit *fu; 4190 const struct usb_audio20_sample_rate_unit *ru; 4191 const struct usb_audio20_processing_unit_0 *pu; 4192 const struct usb_audio20_extension_unit_0 *eu; 4193 const struct usb_audio20_effect_unit *ef; 4194 } u; 4195 4196 u.desc = arg; 4197 4198 if (u.desc == NULL) 4199 goto error; 4200 4201 if (u.desc->bDescriptorType != UDESC_CS_INTERFACE) 4202 goto error; 4203 4204 switch (u.desc->bDescriptorSubtype) { 4205 case UDESCSUB_AC_INPUT: 4206 len += sizeof(*u.it); 4207 break; 4208 4209 case UDESCSUB_AC_OUTPUT: 4210 len += sizeof(*u.ot); 4211 break; 4212 4213 case UDESCSUB_AC_MIXER: 4214 len += sizeof(*u.mu); 4215 4216 if (u.desc->bLength < len) 4217 goto error; 4218 len += u.mu->bNrInPins; 4219 4220 if (u.desc->bLength < len) 4221 goto error; 4222 4223 d1 = (const void *)(u.mu->baSourceId + u.mu->bNrInPins); 4224 4225 len += sizeof(*d1) + d1->bNrChannels; 4226 break; 4227 4228 case UDESCSUB_AC_SELECTOR: 4229 len += sizeof(*u.su); 4230 4231 if (u.desc->bLength < len) 4232 goto error; 4233 4234 len += u.su->bNrInPins + 1; 4235 break; 4236 4237 case UDESCSUB_AC_FEATURE: 4238 len += sizeof(*u.fu) + 1; 4239 break; 4240 4241 case UDESCSUB_AC_EFFECT: 4242 len += sizeof(*u.ef) + 4; 4243 break; 4244 4245 case UDESCSUB_AC_PROCESSING_V2: 4246 len += sizeof(*u.pu); 4247 4248 if (u.desc->bLength < len) 4249 goto error; 4250 4251 len += u.pu->bNrInPins; 4252 4253 if (u.desc->bLength < len) 4254 goto error; 4255 4256 u1 = (const void *)(u.pu->baSourceId + u.pu->bNrInPins); 4257 4258 len += sizeof(*u1); 4259 break; 4260 4261 case UDESCSUB_AC_EXTENSION_V2: 4262 len += sizeof(*u.eu); 4263 4264 if (u.desc->bLength < len) 4265 goto error; 4266 4267 len += u.eu->bNrInPins; 4268 4269 if (u.desc->bLength < len) 4270 goto error; 4271 4272 e1 = (const void *)(u.eu->baSourceId + u.eu->bNrInPins); 4273 4274 len += sizeof(*e1); 4275 break; 4276 4277 case UDESCSUB_AC_CLOCK_SRC: 4278 len += sizeof(*u.csrc); 4279 break; 4280 4281 case UDESCSUB_AC_CLOCK_SEL: 4282 len += sizeof(*u.csel); 4283 4284 if (u.desc->bLength < len) 4285 goto error; 4286 4287 len += u.csel->bNrInPins; 4288 4289 if (u.desc->bLength < len) 4290 goto error; 4291 4292 c1 = (const void *)(u.csel->baCSourceId + u.csel->bNrInPins); 4293 4294 len += sizeof(*c1); 4295 break; 4296 4297 case UDESCSUB_AC_CLOCK_MUL: 4298 len += sizeof(*u.cmul); 4299 break; 4300 4301 case UDESCSUB_AC_SAMPLE_RT: 4302 len += sizeof(*u.ru); 4303 break; 4304 4305 default: 4306 goto error; 4307 } 4308 4309 if (u.desc->bLength < len) 4310 goto error; 4311 4312 return (u.desc); 4313 4314 error: 4315 if (u.desc) { 4316 DPRINTF("invalid descriptor, type=%d, " 4317 "sub_type=%d, len=%d of %d bytes\n", 4318 u.desc->bDescriptorType, 4319 u.desc->bDescriptorSubtype, 4320 u.desc->bLength, len); 4321 } 4322 return (NULL); 4323 } 4324 4325 static struct usb_audio_cluster 4326 uaudio_mixer_get_cluster(uint8_t id, const struct uaudio_terminal_node *iot) 4327 { 4328 struct usb_audio_cluster r; 4329 const struct usb_descriptor *dp; 4330 uint8_t i; 4331 4332 for (i = 0; i < UAUDIO_RECURSE_LIMIT; i++) { /* avoid infinite loops */ 4333 dp = iot[id].u.desc; 4334 if (dp == NULL) { 4335 goto error; 4336 } 4337 switch (dp->bDescriptorSubtype) { 4338 case UDESCSUB_AC_INPUT: 4339 r.bNrChannels = iot[id].u.it_v1->bNrChannels; 4340 r.wChannelConfig[0] = iot[id].u.it_v1->wChannelConfig[0]; 4341 r.wChannelConfig[1] = iot[id].u.it_v1->wChannelConfig[1]; 4342 r.iChannelNames = iot[id].u.it_v1->iChannelNames; 4343 goto done; 4344 4345 case UDESCSUB_AC_OUTPUT: 4346 id = iot[id].u.ot_v1->bSourceId; 4347 break; 4348 4349 case UDESCSUB_AC_MIXER: 4350 r = *(const struct usb_audio_cluster *) 4351 &iot[id].u.mu_v1->baSourceId[ 4352 iot[id].u.mu_v1->bNrInPins]; 4353 goto done; 4354 4355 case UDESCSUB_AC_SELECTOR: 4356 if (iot[id].u.su_v1->bNrInPins > 0) { 4357 /* XXX This is not really right */ 4358 id = iot[id].u.su_v1->baSourceId[0]; 4359 } 4360 break; 4361 4362 case UDESCSUB_AC_FEATURE: 4363 id = iot[id].u.fu_v1->bSourceId; 4364 break; 4365 4366 case UDESCSUB_AC_PROCESSING: 4367 r = *((const struct usb_audio_cluster *) 4368 &iot[id].u.pu_v1->baSourceId[ 4369 iot[id].u.pu_v1->bNrInPins]); 4370 goto done; 4371 4372 case UDESCSUB_AC_EXTENSION: 4373 r = *((const struct usb_audio_cluster *) 4374 &iot[id].u.eu_v1->baSourceId[ 4375 iot[id].u.eu_v1->bNrInPins]); 4376 goto done; 4377 4378 default: 4379 goto error; 4380 } 4381 } 4382 error: 4383 DPRINTF("bad data\n"); 4384 memset(&r, 0, sizeof(r)); 4385 done: 4386 return (r); 4387 } 4388 4389 static struct usb_audio20_cluster 4390 uaudio20_mixer_get_cluster(uint8_t id, const struct uaudio_terminal_node *iot) 4391 { 4392 struct usb_audio20_cluster r; 4393 const struct usb_descriptor *dp; 4394 uint8_t i; 4395 4396 for (i = 0; i < UAUDIO_RECURSE_LIMIT; i++) { /* avoid infinite loops */ 4397 dp = iot[id].u.desc; 4398 if (dp == NULL) 4399 goto error; 4400 4401 switch (dp->bDescriptorSubtype) { 4402 case UDESCSUB_AC_INPUT: 4403 r.bNrChannels = iot[id].u.it_v2->bNrChannels; 4404 r.bmChannelConfig[0] = iot[id].u.it_v2->bmChannelConfig[0]; 4405 r.bmChannelConfig[1] = iot[id].u.it_v2->bmChannelConfig[1]; 4406 r.bmChannelConfig[2] = iot[id].u.it_v2->bmChannelConfig[2]; 4407 r.bmChannelConfig[3] = iot[id].u.it_v2->bmChannelConfig[3]; 4408 r.iChannelNames = iot[id].u.it_v2->iTerminal; 4409 goto done; 4410 4411 case UDESCSUB_AC_OUTPUT: 4412 id = iot[id].u.ot_v2->bSourceId; 4413 break; 4414 4415 case UDESCSUB_AC_MIXER: 4416 r = *(const struct usb_audio20_cluster *) 4417 &iot[id].u.mu_v2->baSourceId[ 4418 iot[id].u.mu_v2->bNrInPins]; 4419 goto done; 4420 4421 case UDESCSUB_AC_SELECTOR: 4422 if (iot[id].u.su_v2->bNrInPins > 0) { 4423 /* XXX This is not really right */ 4424 id = iot[id].u.su_v2->baSourceId[0]; 4425 } 4426 break; 4427 4428 case UDESCSUB_AC_SAMPLE_RT: 4429 id = iot[id].u.ru_v2->bSourceId; 4430 break; 4431 4432 case UDESCSUB_AC_EFFECT: 4433 id = iot[id].u.ef_v2->bSourceId; 4434 break; 4435 4436 case UDESCSUB_AC_FEATURE: 4437 id = iot[id].u.fu_v2->bSourceId; 4438 break; 4439 4440 case UDESCSUB_AC_PROCESSING_V2: 4441 r = *((const struct usb_audio20_cluster *) 4442 &iot[id].u.pu_v2->baSourceId[ 4443 iot[id].u.pu_v2->bNrInPins]); 4444 goto done; 4445 4446 case UDESCSUB_AC_EXTENSION_V2: 4447 r = *((const struct usb_audio20_cluster *) 4448 &iot[id].u.eu_v2->baSourceId[ 4449 iot[id].u.eu_v2->bNrInPins]); 4450 goto done; 4451 4452 default: 4453 goto error; 4454 } 4455 } 4456 error: 4457 DPRINTF("Bad data!\n"); 4458 memset(&r, 0, sizeof(r)); 4459 done: 4460 return (r); 4461 } 4462 4463 static bool 4464 uaudio_mixer_foreach_input(const struct uaudio_terminal_node *iot, uint8_t *pindex) 4465 { 4466 uint8_t n; 4467 4468 n = *pindex; 4469 4470 while (1) { 4471 if (!n--) 4472 n = iot->usr.id_max; 4473 if (n == 0) 4474 return (false); 4475 if (iot->usr.bit_input[n / 8] & (1 << (n % 8))) 4476 break; 4477 } 4478 *pindex = n; 4479 return (true); 4480 } 4481 4482 static bool 4483 uaudio_mixer_foreach_output(const struct uaudio_terminal_node *iot, uint8_t *pindex) 4484 { 4485 uint8_t n; 4486 4487 n = *pindex; 4488 4489 while (1) { 4490 if (!n--) 4491 n = iot->usr.id_max; 4492 if (n == 0) 4493 return (false); 4494 if (iot->usr.bit_output[n / 8] & (1 << (n % 8))) 4495 break; 4496 } 4497 *pindex = n; 4498 return (true); 4499 } 4500 4501 struct uaudio_tt_to_feature { 4502 uint16_t terminal_type; 4503 uint16_t feature; 4504 }; 4505 4506 static const struct uaudio_tt_to_feature uaudio_tt_to_feature[] = { 4507 {UATI_MICROPHONE, SOUND_MIXER_MIC}, 4508 {UATI_DESKMICROPHONE, SOUND_MIXER_MIC}, 4509 {UATI_PERSONALMICROPHONE, SOUND_MIXER_MIC}, 4510 {UATI_OMNIMICROPHONE, SOUND_MIXER_MIC}, 4511 {UATI_MICROPHONEARRAY, SOUND_MIXER_MIC}, 4512 {UATI_PROCMICROPHONEARR, SOUND_MIXER_MIC}, 4513 4514 {UATE_ANALOGCONN, SOUND_MIXER_LINE}, 4515 {UATE_LINECONN, SOUND_MIXER_LINE}, 4516 {UATE_LEGACYCONN, SOUND_MIXER_LINE}, 4517 4518 {UATE_DIGITALAUIFC, SOUND_MIXER_ALTPCM}, 4519 {UATE_SPDIF, SOUND_MIXER_ALTPCM}, 4520 {UATE_1394DA, SOUND_MIXER_ALTPCM}, 4521 {UATE_1394DV, SOUND_MIXER_ALTPCM}, 4522 4523 {UATF_CDPLAYER, SOUND_MIXER_CD}, 4524 4525 {UATF_SYNTHESIZER, SOUND_MIXER_SYNTH}, 4526 4527 {UATF_VIDEODISCAUDIO, SOUND_MIXER_VIDEO}, 4528 {UATF_DVDAUDIO, SOUND_MIXER_VIDEO}, 4529 {UATF_TVTUNERAUDIO, SOUND_MIXER_VIDEO}, 4530 4531 {UATF_RADIORECV, SOUND_MIXER_RADIO}, 4532 {UATF_RADIOXMIT, SOUND_MIXER_RADIO}, 4533 4534 {} /* END */ 4535 }; 4536 4537 static uint16_t 4538 uaudio_mixer_get_feature_by_tt(uint16_t terminal_type, uint16_t default_type) 4539 { 4540 const struct uaudio_tt_to_feature *uat = uaudio_tt_to_feature; 4541 uint16_t retval; 4542 4543 if (terminal_type == 0) { 4544 retval = default_type; 4545 } else while (1) { 4546 if (uat->terminal_type == 0) { 4547 switch (terminal_type >> 8) { 4548 case UATI_UNDEFINED >> 8: 4549 retval = SOUND_MIXER_RECLEV; 4550 goto done; 4551 case UATO_UNDEFINED >> 8: 4552 retval = SOUND_MIXER_PCM; 4553 goto done; 4554 case UATT_UNDEFINED >> 8: 4555 retval = SOUND_MIXER_PHONEIN; 4556 goto done; 4557 default: 4558 retval = default_type; 4559 goto done; 4560 } 4561 } else if (uat->terminal_type == terminal_type) { 4562 retval = uat->feature; 4563 goto done; 4564 } 4565 uat++; 4566 } 4567 done: 4568 DPRINTF("terminal_type=0x%04x RET=%d DEF=%d\n", 4569 terminal_type, retval, default_type); 4570 return (retval); 4571 } 4572 4573 static uint16_t 4574 uaudio_mixer_determine_class(const struct uaudio_terminal_node *iot) 4575 { 4576 const struct uaudio_terminal_node *ptr; 4577 uint16_t terminal_type_input = 0; 4578 uint16_t terminal_type_output = 0; 4579 uint16_t temp; 4580 uint8_t match = 0; 4581 uint8_t i; 4582 4583 for (i = 0; uaudio_mixer_foreach_input(iot, &i); ) { 4584 ptr = iot->root + i; 4585 temp = UGETW(ptr->u.it_v1->wTerminalType); 4586 4587 if (temp == 0) 4588 continue; 4589 else if (temp == UAT_STREAM) 4590 match |= 1; 4591 else if ((temp & 0xFF00) != (UAT_UNDEFINED & 0xff00)) 4592 terminal_type_input = temp; 4593 } 4594 4595 for (i = 0; uaudio_mixer_foreach_output(iot, &i); ) { 4596 ptr = iot->root + i; 4597 temp = UGETW(ptr->u.ot_v1->wTerminalType); 4598 4599 if (temp == 0) 4600 continue; 4601 else if (temp == UAT_STREAM) 4602 match |= 2; 4603 else if ((temp & 0xFF00) != (UAT_UNDEFINED & 0xff00)) 4604 terminal_type_output = temp; 4605 } 4606 4607 DPRINTF("MATCH=%d IN=0x%04x OUT=0x%04x\n", 4608 match, terminal_type_input, terminal_type_output); 4609 4610 switch (match) { 4611 case 0: /* not connected to USB */ 4612 if (terminal_type_output != 0) { 4613 return (uaudio_mixer_get_feature_by_tt( 4614 terminal_type_output, SOUND_MIXER_MONITOR)); 4615 } else { 4616 return (uaudio_mixer_get_feature_by_tt( 4617 terminal_type_input, SOUND_MIXER_MONITOR)); 4618 } 4619 case 3: /* connected to both USB input and USB output */ 4620 return (SOUND_MIXER_IMIX); 4621 case 2: /* connected to USB output */ 4622 return (uaudio_mixer_get_feature_by_tt( 4623 terminal_type_input, SOUND_MIXER_RECLEV)); 4624 case 1: /* connected to USB input */ 4625 return (uaudio_mixer_get_feature_by_tt( 4626 terminal_type_output, SOUND_MIXER_PCM)); 4627 default: 4628 return (SOUND_MIXER_NRDEVICES); 4629 } 4630 } 4631 4632 static uint16_t 4633 uaudio20_mixer_determine_class(const struct uaudio_terminal_node *iot) 4634 { 4635 const struct uaudio_terminal_node *ptr; 4636 uint16_t terminal_type_input = 0; 4637 uint16_t terminal_type_output = 0; 4638 uint16_t temp; 4639 uint8_t match = 0; 4640 uint8_t i; 4641 4642 for (i = 0; uaudio_mixer_foreach_input(iot, &i); ) { 4643 ptr = iot->root + i; 4644 temp = UGETW(ptr->u.it_v2->wTerminalType); 4645 4646 if (temp == 0) 4647 continue; 4648 else if (temp == UAT_STREAM) 4649 match |= 1; 4650 else if ((temp & 0xFF00) != (UAT_UNDEFINED & 0xff00)) 4651 terminal_type_input = temp; 4652 } 4653 4654 for (i = 0; uaudio_mixer_foreach_output(iot, &i); ) { 4655 ptr = iot->root + i; 4656 temp = UGETW(ptr->u.ot_v2->wTerminalType); 4657 4658 if (temp == 0) 4659 continue; 4660 else if (temp == UAT_STREAM) 4661 match |= 2; 4662 else if ((temp & 0xFF00) != (UAT_UNDEFINED & 0xff00)) 4663 terminal_type_output = temp; 4664 } 4665 4666 DPRINTF("MATCH=%d IN=0x%04x OUT=0x%04x\n", 4667 match, terminal_type_input, terminal_type_output); 4668 4669 switch (match) { 4670 case 0: /* not connected to USB */ 4671 if (terminal_type_output != 0) { 4672 return (uaudio_mixer_get_feature_by_tt( 4673 terminal_type_output, SOUND_MIXER_MONITOR)); 4674 } else { 4675 return (uaudio_mixer_get_feature_by_tt( 4676 terminal_type_input, SOUND_MIXER_MONITOR)); 4677 } 4678 case 3: /* connected to both USB input and USB output */ 4679 return (SOUND_MIXER_IMIX); 4680 case 2: /* connected to USB output */ 4681 return (uaudio_mixer_get_feature_by_tt( 4682 terminal_type_input, SOUND_MIXER_RECLEV)); 4683 case 1: /* connected to USB input */ 4684 return (uaudio_mixer_get_feature_by_tt( 4685 terminal_type_output, SOUND_MIXER_PCM)); 4686 default: 4687 return (SOUND_MIXER_NRDEVICES); 4688 } 4689 } 4690 4691 static void 4692 uaudio_mixer_merge_outputs(struct uaudio_search_result *dst, 4693 const struct uaudio_search_result *src) 4694 { 4695 const uint8_t max = sizeof(src->bit_output) / sizeof(src->bit_output[0]); 4696 uint8_t x; 4697 4698 for (x = 0; x != max; x++) 4699 dst->bit_output[x] |= src->bit_output[x]; 4700 } 4701 4702 static void 4703 uaudio_mixer_find_inputs_sub(struct uaudio_terminal_node *root, 4704 const uint8_t *p_id, uint8_t n_id, 4705 struct uaudio_search_result *info) 4706 { 4707 struct uaudio_terminal_node *iot; 4708 uint8_t n; 4709 uint8_t i; 4710 4711 for (n = 0; n < n_id; n++) { 4712 i = p_id[n]; 4713 4714 if (info->recurse_level == UAUDIO_RECURSE_LIMIT) { 4715 DPRINTF("avoided going into a circle at id=%d!\n", i); 4716 return; 4717 } 4718 4719 info->recurse_level++; 4720 4721 iot = (root + i); 4722 4723 if (iot->u.desc == NULL) 4724 continue; 4725 4726 switch (iot->u.desc->bDescriptorSubtype) { 4727 case UDESCSUB_AC_INPUT: 4728 uaudio_mixer_merge_outputs(&iot->usr, info); 4729 info->bit_input[i / 8] |= (1 << (i % 8)); 4730 break; 4731 4732 case UDESCSUB_AC_FEATURE: 4733 uaudio_mixer_merge_outputs(&iot->usr, info); 4734 uaudio_mixer_find_inputs_sub( 4735 root, &iot->u.fu_v1->bSourceId, 1, info); 4736 break; 4737 4738 case UDESCSUB_AC_OUTPUT: 4739 info->bit_output[i / 8] |= (1 << (i % 8)); 4740 uaudio_mixer_find_inputs_sub( 4741 root, &iot->u.ot_v1->bSourceId, 1, info); 4742 info->bit_output[i / 8] &= ~(1 << (i % 8)); 4743 break; 4744 4745 case UDESCSUB_AC_MIXER: 4746 uaudio_mixer_merge_outputs(&iot->usr, info); 4747 uaudio_mixer_find_inputs_sub( 4748 root, iot->u.mu_v1->baSourceId, 4749 iot->u.mu_v1->bNrInPins, info); 4750 break; 4751 4752 case UDESCSUB_AC_SELECTOR: 4753 uaudio_mixer_merge_outputs(&iot->usr, info); 4754 uaudio_mixer_find_inputs_sub( 4755 root, iot->u.su_v1->baSourceId, 4756 iot->u.su_v1->bNrInPins, info); 4757 break; 4758 4759 case UDESCSUB_AC_PROCESSING: 4760 uaudio_mixer_merge_outputs(&iot->usr, info); 4761 uaudio_mixer_find_inputs_sub( 4762 root, iot->u.pu_v1->baSourceId, 4763 iot->u.pu_v1->bNrInPins, info); 4764 break; 4765 4766 case UDESCSUB_AC_EXTENSION: 4767 uaudio_mixer_merge_outputs(&iot->usr, info); 4768 uaudio_mixer_find_inputs_sub( 4769 root, iot->u.eu_v1->baSourceId, 4770 iot->u.eu_v1->bNrInPins, info); 4771 break; 4772 4773 default: 4774 break; 4775 } 4776 } 4777 } 4778 4779 static void 4780 uaudio20_mixer_find_inputs_sub(struct uaudio_terminal_node *root, 4781 const uint8_t *p_id, uint8_t n_id, 4782 struct uaudio_search_result *info) 4783 { 4784 struct uaudio_terminal_node *iot; 4785 uint8_t n; 4786 uint8_t i; 4787 4788 for (n = 0; n < n_id; n++) { 4789 i = p_id[n]; 4790 4791 if (info->recurse_level == UAUDIO_RECURSE_LIMIT) { 4792 DPRINTF("avoided going into a circle at id=%d!\n", i); 4793 return; 4794 } 4795 4796 info->recurse_level++; 4797 4798 iot = (root + i); 4799 4800 if (iot->u.desc == NULL) 4801 continue; 4802 4803 switch (iot->u.desc->bDescriptorSubtype) { 4804 case UDESCSUB_AC_INPUT: 4805 uaudio_mixer_merge_outputs(&iot->usr, info); 4806 info->bit_input[i / 8] |= (1 << (i % 8)); 4807 break; 4808 4809 case UDESCSUB_AC_OUTPUT: 4810 info->bit_output[i / 8] |= (1 << (i % 8)); 4811 uaudio20_mixer_find_inputs_sub( 4812 root, &iot->u.ot_v2->bSourceId, 1, info); 4813 info->bit_output[i / 8] &= ~(1 << (i % 8)); 4814 break; 4815 4816 case UDESCSUB_AC_MIXER: 4817 uaudio_mixer_merge_outputs(&iot->usr, info); 4818 uaudio20_mixer_find_inputs_sub( 4819 root, iot->u.mu_v2->baSourceId, 4820 iot->u.mu_v2->bNrInPins, info); 4821 break; 4822 4823 case UDESCSUB_AC_SELECTOR: 4824 uaudio_mixer_merge_outputs(&iot->usr, info); 4825 uaudio20_mixer_find_inputs_sub( 4826 root, iot->u.su_v2->baSourceId, 4827 iot->u.su_v2->bNrInPins, info); 4828 break; 4829 4830 case UDESCSUB_AC_SAMPLE_RT: 4831 uaudio_mixer_merge_outputs(&iot->usr, info); 4832 uaudio20_mixer_find_inputs_sub( 4833 root, &iot->u.ru_v2->bSourceId, 4834 1, info); 4835 break; 4836 4837 case UDESCSUB_AC_EFFECT: 4838 uaudio_mixer_merge_outputs(&iot->usr, info); 4839 uaudio20_mixer_find_inputs_sub( 4840 root, &iot->u.ef_v2->bSourceId, 4841 1, info); 4842 break; 4843 4844 case UDESCSUB_AC_FEATURE: 4845 uaudio_mixer_merge_outputs(&iot->usr, info); 4846 uaudio20_mixer_find_inputs_sub( 4847 root, &iot->u.fu_v2->bSourceId, 1, info); 4848 break; 4849 4850 case UDESCSUB_AC_PROCESSING_V2: 4851 uaudio_mixer_merge_outputs(&iot->usr, info); 4852 uaudio20_mixer_find_inputs_sub( 4853 root, iot->u.pu_v2->baSourceId, 4854 iot->u.pu_v2->bNrInPins, info); 4855 break; 4856 4857 case UDESCSUB_AC_EXTENSION_V2: 4858 uaudio_mixer_merge_outputs(&iot->usr, info); 4859 uaudio20_mixer_find_inputs_sub( 4860 root, iot->u.eu_v2->baSourceId, 4861 iot->u.eu_v2->bNrInPins, info); 4862 break; 4863 default: 4864 break; 4865 } 4866 } 4867 } 4868 4869 static void 4870 uaudio20_mixer_find_clocks_sub(struct uaudio_terminal_node *root, 4871 const uint8_t *p_id, uint8_t n_id, 4872 struct uaudio_search_result *info) 4873 { 4874 struct uaudio_terminal_node *iot; 4875 uint8_t n; 4876 uint8_t i; 4877 uint8_t is_last; 4878 uint8_t id; 4879 4880 top: 4881 for (n = 0; n < n_id; n++) { 4882 i = p_id[n]; 4883 4884 if (info->recurse_level == UAUDIO_RECURSE_LIMIT) { 4885 DPRINTF("avoided going into a circle at id=%d!\n", i); 4886 return; 4887 } 4888 4889 info->recurse_level++; 4890 4891 iot = (root + i); 4892 4893 if (iot->u.desc == NULL) 4894 continue; 4895 4896 is_last = ((n + 1) == n_id); 4897 4898 switch (iot->u.desc->bDescriptorSubtype) { 4899 case UDESCSUB_AC_INPUT: 4900 info->is_input = 1; 4901 if (is_last) { 4902 p_id = &iot->u.it_v2->bCSourceId; 4903 n_id = 1; 4904 goto top; 4905 } 4906 uaudio20_mixer_find_clocks_sub(root, 4907 &iot->u.it_v2->bCSourceId, 1, info); 4908 break; 4909 4910 case UDESCSUB_AC_OUTPUT: 4911 info->is_input = 0; 4912 if (is_last) { 4913 p_id = &iot->u.ot_v2->bCSourceId; 4914 n_id = 1; 4915 goto top; 4916 } 4917 uaudio20_mixer_find_clocks_sub(root, 4918 &iot->u.ot_v2->bCSourceId, 1, info); 4919 break; 4920 4921 case UDESCSUB_AC_CLOCK_SEL: 4922 if (is_last) { 4923 p_id = iot->u.csel_v2->baCSourceId; 4924 n_id = iot->u.csel_v2->bNrInPins; 4925 goto top; 4926 } 4927 uaudio20_mixer_find_clocks_sub(root, 4928 iot->u.csel_v2->baCSourceId, 4929 iot->u.csel_v2->bNrInPins, info); 4930 break; 4931 4932 case UDESCSUB_AC_CLOCK_MUL: 4933 if (is_last) { 4934 p_id = &iot->u.cmul_v2->bCSourceId; 4935 n_id = 1; 4936 goto top; 4937 } 4938 uaudio20_mixer_find_clocks_sub(root, 4939 &iot->u.cmul_v2->bCSourceId, 4940 1, info); 4941 break; 4942 4943 case UDESCSUB_AC_CLOCK_SRC: 4944 4945 id = iot->u.csrc_v2->bClockId; 4946 4947 switch (info->is_input) { 4948 case 0: 4949 info->bit_output[id / 8] |= (1 << (id % 8)); 4950 break; 4951 case 1: 4952 info->bit_input[id / 8] |= (1 << (id % 8)); 4953 break; 4954 default: 4955 break; 4956 } 4957 break; 4958 4959 default: 4960 break; 4961 } 4962 } 4963 } 4964 4965 static void 4966 uaudio_mixer_fill_info(struct uaudio_softc *sc, 4967 struct usb_device *udev, void *desc) 4968 { 4969 const struct usb_audio_control_descriptor *acdp; 4970 struct usb_config_descriptor *cd = usbd_get_config_descriptor(udev); 4971 const struct usb_descriptor *dp; 4972 const struct usb_audio_unit *au; 4973 struct uaudio_terminal_node *iot = NULL; 4974 uint16_t wTotalLen; 4975 uint8_t ID_max = 0; /* inclusive */ 4976 uint8_t i; 4977 4978 desc = usb_desc_foreach(cd, desc); 4979 4980 if (desc == NULL) { 4981 DPRINTF("no Audio Control header\n"); 4982 goto done; 4983 } 4984 acdp = desc; 4985 4986 if ((acdp->bLength < sizeof(*acdp)) || 4987 (acdp->bDescriptorType != UDESC_CS_INTERFACE) || 4988 (acdp->bDescriptorSubtype != UDESCSUB_AC_HEADER)) { 4989 DPRINTF("invalid Audio Control header\n"); 4990 goto done; 4991 } 4992 /* "wTotalLen" is allowed to be corrupt */ 4993 wTotalLen = UGETW(acdp->wTotalLength) - acdp->bLength; 4994 4995 /* get USB audio revision */ 4996 sc->sc_audio_rev = UGETW(acdp->bcdADC); 4997 4998 DPRINTFN(3, "found AC header, vers=%03x, len=%d\n", 4999 sc->sc_audio_rev, wTotalLen); 5000 5001 iot = malloc(sizeof(struct uaudio_terminal_node) * 256, M_TEMP, 5002 M_WAITOK | M_ZERO); 5003 5004 while ((desc = usb_desc_foreach(cd, desc))) { 5005 dp = desc; 5006 5007 if (dp->bLength > wTotalLen) { 5008 break; 5009 } else { 5010 wTotalLen -= dp->bLength; 5011 } 5012 5013 if (sc->sc_audio_rev >= UAUDIO_VERSION_30) 5014 au = NULL; 5015 else if (sc->sc_audio_rev >= UAUDIO_VERSION_20) 5016 au = uaudio20_mixer_verify_desc(dp, 0); 5017 else 5018 au = uaudio_mixer_verify_desc(dp, 0); 5019 5020 if (au) { 5021 iot[au->bUnitId].u.desc = (const void *)au; 5022 if (au->bUnitId > ID_max) 5023 ID_max = au->bUnitId; 5024 } 5025 } 5026 5027 DPRINTF("Maximum ID=%d\n", ID_max); 5028 5029 /* 5030 * determine sourcing inputs for 5031 * all nodes in the tree: 5032 */ 5033 i = ID_max; 5034 do { 5035 if (sc->sc_audio_rev >= UAUDIO_VERSION_30) { 5036 /* FALLTHROUGH */ 5037 } else if (sc->sc_audio_rev >= UAUDIO_VERSION_20) { 5038 uaudio20_mixer_find_inputs_sub(iot, 5039 &i, 1, &((iot + i)->usr)); 5040 5041 sc->sc_mixer_clocks.is_input = 255; 5042 sc->sc_mixer_clocks.recurse_level = 0; 5043 5044 uaudio20_mixer_find_clocks_sub(iot, 5045 &i, 1, &sc->sc_mixer_clocks); 5046 } else { 5047 uaudio_mixer_find_inputs_sub(iot, 5048 &i, 1, &((iot + i)->usr)); 5049 } 5050 } while (i--); 5051 5052 /* set "id_max" and "root" */ 5053 5054 i = ID_max; 5055 do { 5056 (iot + i)->usr.id_max = ID_max; 5057 (iot + i)->root = iot; 5058 } while (i--); 5059 5060 /* 5061 * Scan the config to create a linked list of "mixer" nodes: 5062 */ 5063 5064 i = ID_max; 5065 do { 5066 dp = iot[i].u.desc; 5067 5068 if (dp == NULL) 5069 continue; 5070 5071 DPRINTFN(11, "id=%d subtype=%d\n", 5072 i, dp->bDescriptorSubtype); 5073 5074 if (sc->sc_audio_rev >= UAUDIO_VERSION_30) { 5075 continue; 5076 } else if (sc->sc_audio_rev >= UAUDIO_VERSION_20) { 5077 switch (dp->bDescriptorSubtype) { 5078 case UDESCSUB_AC_HEADER: 5079 DPRINTF("unexpected AC header\n"); 5080 break; 5081 5082 case UDESCSUB_AC_INPUT: 5083 case UDESCSUB_AC_OUTPUT: 5084 case UDESCSUB_AC_PROCESSING_V2: 5085 case UDESCSUB_AC_EXTENSION_V2: 5086 case UDESCSUB_AC_EFFECT: 5087 case UDESCSUB_AC_CLOCK_SRC: 5088 case UDESCSUB_AC_CLOCK_SEL: 5089 case UDESCSUB_AC_CLOCK_MUL: 5090 case UDESCSUB_AC_SAMPLE_RT: 5091 break; 5092 5093 case UDESCSUB_AC_MIXER: 5094 uaudio20_mixer_add_mixer(sc, iot, i); 5095 break; 5096 5097 case UDESCSUB_AC_SELECTOR: 5098 uaudio20_mixer_add_selector(sc, iot, i); 5099 break; 5100 5101 case UDESCSUB_AC_FEATURE: 5102 uaudio20_mixer_add_feature(sc, iot, i); 5103 break; 5104 5105 default: 5106 DPRINTF("bad AC desc subtype=0x%02x\n", 5107 dp->bDescriptorSubtype); 5108 break; 5109 } 5110 continue; 5111 } 5112 5113 switch (dp->bDescriptorSubtype) { 5114 case UDESCSUB_AC_HEADER: 5115 DPRINTF("unexpected AC header\n"); 5116 break; 5117 5118 case UDESCSUB_AC_INPUT: 5119 case UDESCSUB_AC_OUTPUT: 5120 break; 5121 5122 case UDESCSUB_AC_MIXER: 5123 uaudio_mixer_add_mixer(sc, iot, i); 5124 break; 5125 5126 case UDESCSUB_AC_SELECTOR: 5127 uaudio_mixer_add_selector(sc, iot, i); 5128 break; 5129 5130 case UDESCSUB_AC_FEATURE: 5131 uaudio_mixer_add_feature(sc, iot, i); 5132 break; 5133 5134 case UDESCSUB_AC_PROCESSING: 5135 uaudio_mixer_add_processing(sc, iot, i); 5136 break; 5137 5138 case UDESCSUB_AC_EXTENSION: 5139 uaudio_mixer_add_extension(sc, iot, i); 5140 break; 5141 5142 default: 5143 DPRINTF("bad AC desc subtype=0x%02x\n", 5144 dp->bDescriptorSubtype); 5145 break; 5146 } 5147 5148 } while (i--); 5149 5150 done: 5151 free(iot, M_TEMP); 5152 } 5153 5154 static int 5155 uaudio_mixer_get(struct usb_device *udev, uint16_t audio_rev, 5156 uint8_t what, struct uaudio_mixer_node *mc) 5157 { 5158 struct usb_device_request req; 5159 int val; 5160 uint8_t data[2 + (2 * 3)]; 5161 usb_error_t err; 5162 5163 if (mc->wValue[0] == -1) 5164 return (0); 5165 5166 if (audio_rev >= UAUDIO_VERSION_30) 5167 return (0); 5168 else if (audio_rev >= UAUDIO_VERSION_20) { 5169 if (what == GET_CUR) { 5170 req.bRequest = UA20_CS_CUR; 5171 USETW(req.wLength, 2); 5172 } else { 5173 req.bRequest = UA20_CS_RANGE; 5174 USETW(req.wLength, 8); 5175 } 5176 } else { 5177 uint16_t len = MIX_SIZE(mc->type); 5178 5179 req.bRequest = what; 5180 USETW(req.wLength, len); 5181 } 5182 5183 req.bmRequestType = UT_READ_CLASS_INTERFACE; 5184 USETW(req.wValue, mc->wValue[0]); 5185 USETW(req.wIndex, mc->wIndex); 5186 5187 memset(data, 0, sizeof(data)); 5188 5189 err = usbd_do_request(udev, NULL, &req, data); 5190 if (err) { 5191 DPRINTF("err=%s\n", usbd_errstr(err)); 5192 return (0); 5193 } 5194 5195 if (audio_rev >= UAUDIO_VERSION_30) { 5196 val = 0; 5197 } else if (audio_rev >= UAUDIO_VERSION_20) { 5198 switch (what) { 5199 case GET_CUR: 5200 val = (data[0] | (data[1] << 8)); 5201 break; 5202 case GET_MIN: 5203 val = (data[2] | (data[3] << 8)); 5204 break; 5205 case GET_MAX: 5206 val = (data[4] | (data[5] << 8)); 5207 break; 5208 case GET_RES: 5209 val = (data[6] | (data[7] << 8)); 5210 break; 5211 default: 5212 val = 0; 5213 break; 5214 } 5215 } else { 5216 val = (data[0] | (data[1] << 8)); 5217 } 5218 5219 if (what == GET_CUR || what == GET_MIN || what == GET_MAX) 5220 val = uaudio_mixer_signext(mc->type, val); 5221 5222 DPRINTFN(3, "val=%d\n", val); 5223 5224 return (val); 5225 } 5226 5227 static void 5228 uaudio_mixer_write_cfg_callback(struct usb_xfer *xfer, usb_error_t error) 5229 { 5230 struct usb_device_request req; 5231 struct uaudio_softc *sc = usbd_xfer_softc(xfer); 5232 struct uaudio_mixer_node *mc = sc->sc_mixer_curr; 5233 struct usb_page_cache *pc; 5234 uint16_t len; 5235 uint8_t repeat = 1; 5236 uint8_t update; 5237 uint8_t chan; 5238 uint8_t buf[2]; 5239 5240 DPRINTF("\n"); 5241 5242 switch (USB_GET_STATE(xfer)) { 5243 case USB_ST_TRANSFERRED: 5244 tr_transferred: 5245 case USB_ST_SETUP: 5246 tr_setup: 5247 5248 if (mc == NULL) { 5249 mc = sc->sc_mixer_root; 5250 sc->sc_mixer_curr = mc; 5251 sc->sc_mixer_chan = 0; 5252 repeat = 0; 5253 } 5254 while (mc) { 5255 while (sc->sc_mixer_chan < mc->nchan) { 5256 chan = sc->sc_mixer_chan; 5257 5258 sc->sc_mixer_chan++; 5259 5260 update = ((mc->update[chan / 8] & (1 << (chan % 8))) && 5261 (mc->wValue[chan] != -1)); 5262 5263 mc->update[chan / 8] &= ~(1 << (chan % 8)); 5264 5265 if (update) { 5266 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 5267 USETW(req.wValue, mc->wValue[chan]); 5268 USETW(req.wIndex, mc->wIndex); 5269 5270 if (sc->sc_audio_rev >= UAUDIO_VERSION_30) { 5271 return; 5272 } else if (sc->sc_audio_rev >= UAUDIO_VERSION_20) { 5273 len = 2; 5274 req.bRequest = UA20_CS_CUR; 5275 USETW(req.wLength, len); 5276 } else { 5277 len = MIX_SIZE(mc->type); 5278 req.bRequest = SET_CUR; 5279 USETW(req.wLength, len); 5280 } 5281 5282 buf[0] = (mc->wData[chan] & 0xFF); 5283 buf[1] = (mc->wData[chan] >> 8) & 0xFF; 5284 5285 pc = usbd_xfer_get_frame(xfer, 0); 5286 usbd_copy_in(pc, 0, &req, sizeof(req)); 5287 pc = usbd_xfer_get_frame(xfer, 1); 5288 usbd_copy_in(pc, 0, buf, len); 5289 5290 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 5291 usbd_xfer_set_frame_len(xfer, 1, len); 5292 usbd_xfer_set_frames(xfer, len ? 2 : 1); 5293 usbd_transfer_submit(xfer); 5294 return; 5295 } 5296 } 5297 5298 mc = mc->next; 5299 sc->sc_mixer_curr = mc; 5300 sc->sc_mixer_chan = 0; 5301 } 5302 5303 if (repeat) { 5304 goto tr_setup; 5305 } 5306 break; 5307 5308 default: /* Error */ 5309 DPRINTF("error=%s\n", usbd_errstr(error)); 5310 if (error == USB_ERR_CANCELLED) { 5311 /* do nothing - we are detaching */ 5312 break; 5313 } 5314 goto tr_transferred; 5315 } 5316 } 5317 5318 static usb_error_t 5319 uaudio_set_speed(struct usb_device *udev, uint8_t endpt, uint32_t speed) 5320 { 5321 struct usb_device_request req; 5322 uint8_t data[3]; 5323 5324 DPRINTFN(6, "endpt=%d speed=%u\n", endpt, speed); 5325 5326 req.bmRequestType = UT_WRITE_CLASS_ENDPOINT; 5327 req.bRequest = SET_CUR; 5328 USETW2(req.wValue, SAMPLING_FREQ_CONTROL, 0); 5329 USETW(req.wIndex, endpt); 5330 USETW(req.wLength, 3); 5331 data[0] = speed; 5332 data[1] = speed >> 8; 5333 data[2] = speed >> 16; 5334 5335 return (usbd_do_request(udev, NULL, &req, data)); 5336 } 5337 5338 static usb_error_t 5339 uaudio20_set_speed(struct usb_device *udev, uint8_t iface_no, 5340 uint8_t clockid, uint32_t speed) 5341 { 5342 struct usb_device_request req; 5343 uint8_t data[4]; 5344 5345 DPRINTFN(6, "ifaceno=%d clockid=%d speed=%u\n", 5346 iface_no, clockid, speed); 5347 5348 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 5349 req.bRequest = UA20_CS_CUR; 5350 USETW2(req.wValue, UA20_CS_SAM_FREQ_CONTROL, 0); 5351 USETW2(req.wIndex, clockid, iface_no); 5352 USETW(req.wLength, 4); 5353 data[0] = speed; 5354 data[1] = speed >> 8; 5355 data[2] = speed >> 16; 5356 data[3] = speed >> 24; 5357 5358 return (usbd_do_request(udev, NULL, &req, data)); 5359 } 5360 5361 static int 5362 uaudio_mixer_signext(uint8_t type, int val) 5363 { 5364 if (!MIX_UNSIGNED(type)) { 5365 if (MIX_SIZE(type) == 2) { 5366 val = (int16_t)val; 5367 } else { 5368 val = (int8_t)val; 5369 } 5370 } 5371 return (val); 5372 } 5373 5374 static int 5375 uaudio_mixer_bsd2value(struct uaudio_mixer_node *mc, int val) 5376 { 5377 if (mc->type == MIX_ON_OFF) { 5378 val = (val != 0); 5379 } else if (mc->type != MIX_SELECTOR) { 5380 /* compute actual volume */ 5381 val = (val * mc->mul) / 100; 5382 5383 /* add lower offset */ 5384 val = val + mc->minval; 5385 } 5386 /* make sure we don't write a value out of range */ 5387 if (val > mc->maxval) 5388 val = mc->maxval; 5389 else if (val < mc->minval) 5390 val = mc->minval; 5391 5392 DPRINTFN(6, "type=0x%03x val=%d min=%d max=%d val=%d\n", 5393 mc->type, val, mc->minval, mc->maxval, val); 5394 return (val); 5395 } 5396 5397 static void 5398 uaudio_mixer_ctl_set(struct uaudio_softc *sc, struct uaudio_mixer_node *mc, 5399 uint8_t chan, int val) 5400 { 5401 val = uaudio_mixer_bsd2value(mc, val); 5402 5403 mc->update[chan / 8] |= (1 << (chan % 8)); 5404 mc->wData[chan] = val; 5405 5406 /* start the transfer, if not already started */ 5407 5408 usbd_transfer_start(sc->sc_mixer_xfer[0]); 5409 } 5410 5411 static void 5412 uaudio_mixer_init(struct uaudio_softc *sc, unsigned index) 5413 { 5414 struct uaudio_mixer_node *mc; 5415 int32_t i; 5416 5417 if (index != 0) 5418 return; 5419 for (mc = sc->sc_mixer_root; mc; mc = mc->next) { 5420 if (mc->ctl != SOUND_MIXER_NRDEVICES) { 5421 /* 5422 * Set device mask bits. See 5423 * /usr/include/machine/soundcard.h 5424 */ 5425 sc->sc_child[index].mix_info |= 1U << mc->ctl; 5426 } 5427 if ((mc->ctl == SOUND_MIXER_NRDEVICES) && 5428 (mc->type == MIX_SELECTOR)) { 5429 for (i = mc->minval; (i > 0) && (i <= mc->maxval); i++) { 5430 if (mc->slctrtype[i - 1] == SOUND_MIXER_NRDEVICES) 5431 continue; 5432 sc->sc_child[index].recsrc_info |= 1U << mc->slctrtype[i - 1]; 5433 } 5434 } 5435 } 5436 } 5437 5438 int 5439 uaudio_mixer_init_sub(struct uaudio_softc *sc, struct snd_mixer *m) 5440 { 5441 unsigned i = uaudio_get_child_index_by_dev(sc, mix_get_dev(m)); 5442 5443 DPRINTF("child=%u\n", i); 5444 5445 sc->sc_child[i].mixer_lock = mixer_get_lock(m); 5446 sc->sc_child[i].mixer_dev = m; 5447 5448 if (i == 0 && 5449 usbd_transfer_setup(sc->sc_udev, &sc->sc_mixer_iface_index, 5450 sc->sc_mixer_xfer, uaudio_mixer_config, 1, sc, 5451 sc->sc_child[i].mixer_lock)) { 5452 DPRINTFN(0, "could not allocate USB transfer for mixer!\n"); 5453 return (ENOMEM); 5454 } 5455 5456 if (sc->sc_play_chan[i].num_alt > 0 && 5457 (sc->sc_child[i].mix_info & SOUND_MASK_VOLUME) == 0) { 5458 mix_setparentchild(m, SOUND_MIXER_VOLUME, SOUND_MASK_PCM); 5459 mix_setrealdev(m, SOUND_MIXER_VOLUME, SOUND_MIXER_NONE); 5460 } 5461 mix_setdevs(m, sc->sc_child[i].mix_info); 5462 mix_setrecdevs(m, sc->sc_child[i].recsrc_info); 5463 return (0); 5464 } 5465 5466 int 5467 uaudio_mixer_uninit_sub(struct uaudio_softc *sc, struct snd_mixer *m) 5468 { 5469 unsigned index = uaudio_get_child_index_by_dev(sc, mix_get_dev(m)); 5470 5471 DPRINTF("child=%u\n", index); 5472 5473 if (index == 0) 5474 usbd_transfer_unsetup(sc->sc_mixer_xfer, 1); 5475 5476 sc->sc_child[index].mixer_lock = NULL; 5477 5478 return (0); 5479 } 5480 5481 void 5482 uaudio_mixer_set(struct uaudio_softc *sc, struct snd_mixer *m, 5483 unsigned type, unsigned left, unsigned right) 5484 { 5485 unsigned index = uaudio_get_child_index_by_dev(sc, mix_get_dev(m)); 5486 struct uaudio_mixer_node *mc; 5487 int chan; 5488 5489 if (index != 0) 5490 return; 5491 for (mc = sc->sc_mixer_root; mc != NULL; mc = mc->next) { 5492 if (mc->ctl == type) { 5493 for (chan = 0; chan < mc->nchan; chan++) { 5494 uaudio_mixer_ctl_set(sc, mc, chan, 5495 chan == 0 ? left : right); 5496 } 5497 } 5498 } 5499 } 5500 5501 uint32_t 5502 uaudio_mixer_setrecsrc(struct uaudio_softc *sc, struct snd_mixer *m, uint32_t src) 5503 { 5504 unsigned index = uaudio_get_child_index_by_dev(sc, mix_get_dev(m)); 5505 struct uaudio_mixer_node *mc; 5506 uint32_t mask; 5507 uint32_t temp; 5508 int32_t i; 5509 5510 if (index != 0) 5511 return (0); 5512 for (mc = sc->sc_mixer_root; mc; mc = mc->next) { 5513 if ((mc->ctl == SOUND_MIXER_NRDEVICES) && 5514 (mc->type == MIX_SELECTOR)) { 5515 /* compute selector mask */ 5516 5517 mask = 0; 5518 for (i = mc->minval; (i > 0) && (i <= mc->maxval); i++) 5519 mask |= 1U << mc->slctrtype[i - 1]; 5520 5521 temp = mask & src; 5522 if (temp == 0) 5523 continue; 5524 5525 /* find the first set bit */ 5526 temp = (-temp) & temp; 5527 5528 /* update "src" */ 5529 src &= ~mask; 5530 src |= temp; 5531 5532 for (i = mc->minval; (i > 0) && (i <= mc->maxval); i++) { 5533 if (temp != (1U << mc->slctrtype[i - 1])) 5534 continue; 5535 uaudio_mixer_ctl_set(sc, mc, 0, i); 5536 break; 5537 } 5538 } 5539 } 5540 return (src); 5541 } 5542 5543 /*========================================================================* 5544 * MIDI support routines 5545 *========================================================================*/ 5546 5547 static void 5548 umidi_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 5549 { 5550 struct umidi_chan *chan = usbd_xfer_softc(xfer); 5551 struct umidi_sub_chan *sub; 5552 struct usb_page_cache *pc; 5553 uint8_t buf[4]; 5554 uint8_t cmd_len; 5555 uint8_t cn; 5556 uint16_t pos; 5557 int actlen; 5558 5559 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 5560 5561 switch (USB_GET_STATE(xfer)) { 5562 case USB_ST_TRANSFERRED: 5563 5564 DPRINTF("actlen=%d bytes\n", actlen); 5565 5566 pos = 0; 5567 pc = usbd_xfer_get_frame(xfer, 0); 5568 5569 while (actlen >= 4) { 5570 /* copy out the MIDI data */ 5571 usbd_copy_out(pc, pos, buf, 4); 5572 /* command length */ 5573 cmd_len = umidi_cmd_to_len[buf[0] & 0xF]; 5574 /* cable number */ 5575 cn = buf[0] >> 4; 5576 /* 5577 * Lookup sub-channel. The index is range 5578 * checked below. 5579 */ 5580 sub = &chan->sub[cn]; 5581 5582 if ((cmd_len != 0) && (cn < chan->max_emb_jack) && 5583 (sub->read_open != 0)) { 5584 /* Send data to the application */ 5585 usb_fifo_put_data_linear( 5586 sub->fifo.fp[USB_FIFO_RX], 5587 buf + 1, cmd_len, 1); 5588 } 5589 actlen -= 4; 5590 pos += 4; 5591 } 5592 5593 case USB_ST_SETUP: 5594 DPRINTF("start\n"); 5595 tr_setup: 5596 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 5597 usbd_transfer_submit(xfer); 5598 break; 5599 5600 default: 5601 DPRINTF("error=%s\n", usbd_errstr(error)); 5602 5603 if (error != USB_ERR_CANCELLED) { 5604 /* try to clear stall first */ 5605 usbd_xfer_set_stall(xfer); 5606 goto tr_setup; 5607 } 5608 break; 5609 } 5610 } 5611 5612 /* 5613 * The following statemachine, that converts MIDI commands to 5614 * USB MIDI packets, derives from Linux's usbmidi.c, which 5615 * was written by "Clemens Ladisch": 5616 * 5617 * Returns: 5618 * 0: No command 5619 * Else: Command is complete 5620 */ 5621 static uint8_t 5622 umidi_convert_to_usb(struct umidi_sub_chan *sub, uint8_t cn, uint8_t b) 5623 { 5624 uint8_t p0 = (cn << 4); 5625 5626 if (b >= 0xf8) { 5627 sub->temp_0[0] = p0 | 0x0f; 5628 sub->temp_0[1] = b; 5629 sub->temp_0[2] = 0; 5630 sub->temp_0[3] = 0; 5631 sub->temp_cmd = sub->temp_0; 5632 return (1); 5633 5634 } else if (b >= 0xf0) { 5635 switch (b) { 5636 case 0xf0: /* system exclusive begin */ 5637 sub->temp_1[1] = b; 5638 sub->state = UMIDI_ST_SYSEX_1; 5639 break; 5640 case 0xf1: /* MIDI time code */ 5641 case 0xf3: /* song select */ 5642 sub->temp_1[1] = b; 5643 sub->state = UMIDI_ST_1PARAM; 5644 break; 5645 case 0xf2: /* song position pointer */ 5646 sub->temp_1[1] = b; 5647 sub->state = UMIDI_ST_2PARAM_1; 5648 break; 5649 case 0xf4: /* unknown */ 5650 case 0xf5: /* unknown */ 5651 sub->state = UMIDI_ST_UNKNOWN; 5652 break; 5653 case 0xf6: /* tune request */ 5654 sub->temp_1[0] = p0 | 0x05; 5655 sub->temp_1[1] = 0xf6; 5656 sub->temp_1[2] = 0; 5657 sub->temp_1[3] = 0; 5658 sub->temp_cmd = sub->temp_1; 5659 sub->state = UMIDI_ST_UNKNOWN; 5660 return (1); 5661 5662 case 0xf7: /* system exclusive end */ 5663 switch (sub->state) { 5664 case UMIDI_ST_SYSEX_0: 5665 sub->temp_1[0] = p0 | 0x05; 5666 sub->temp_1[1] = 0xf7; 5667 sub->temp_1[2] = 0; 5668 sub->temp_1[3] = 0; 5669 sub->temp_cmd = sub->temp_1; 5670 sub->state = UMIDI_ST_UNKNOWN; 5671 return (1); 5672 case UMIDI_ST_SYSEX_1: 5673 sub->temp_1[0] = p0 | 0x06; 5674 sub->temp_1[2] = 0xf7; 5675 sub->temp_1[3] = 0; 5676 sub->temp_cmd = sub->temp_1; 5677 sub->state = UMIDI_ST_UNKNOWN; 5678 return (1); 5679 case UMIDI_ST_SYSEX_2: 5680 sub->temp_1[0] = p0 | 0x07; 5681 sub->temp_1[3] = 0xf7; 5682 sub->temp_cmd = sub->temp_1; 5683 sub->state = UMIDI_ST_UNKNOWN; 5684 return (1); 5685 } 5686 sub->state = UMIDI_ST_UNKNOWN; 5687 break; 5688 } 5689 } else if (b >= 0x80) { 5690 sub->temp_1[1] = b; 5691 if ((b >= 0xc0) && (b <= 0xdf)) { 5692 sub->state = UMIDI_ST_1PARAM; 5693 } else { 5694 sub->state = UMIDI_ST_2PARAM_1; 5695 } 5696 } else { /* b < 0x80 */ 5697 switch (sub->state) { 5698 case UMIDI_ST_1PARAM: 5699 if (sub->temp_1[1] < 0xf0) { 5700 p0 |= sub->temp_1[1] >> 4; 5701 } else { 5702 p0 |= 0x02; 5703 sub->state = UMIDI_ST_UNKNOWN; 5704 } 5705 sub->temp_1[0] = p0; 5706 sub->temp_1[2] = b; 5707 sub->temp_1[3] = 0; 5708 sub->temp_cmd = sub->temp_1; 5709 return (1); 5710 case UMIDI_ST_2PARAM_1: 5711 sub->temp_1[2] = b; 5712 sub->state = UMIDI_ST_2PARAM_2; 5713 break; 5714 case UMIDI_ST_2PARAM_2: 5715 if (sub->temp_1[1] < 0xf0) { 5716 p0 |= sub->temp_1[1] >> 4; 5717 sub->state = UMIDI_ST_2PARAM_1; 5718 } else { 5719 p0 |= 0x03; 5720 sub->state = UMIDI_ST_UNKNOWN; 5721 } 5722 sub->temp_1[0] = p0; 5723 sub->temp_1[3] = b; 5724 sub->temp_cmd = sub->temp_1; 5725 return (1); 5726 case UMIDI_ST_SYSEX_0: 5727 sub->temp_1[1] = b; 5728 sub->state = UMIDI_ST_SYSEX_1; 5729 break; 5730 case UMIDI_ST_SYSEX_1: 5731 sub->temp_1[2] = b; 5732 sub->state = UMIDI_ST_SYSEX_2; 5733 break; 5734 case UMIDI_ST_SYSEX_2: 5735 sub->temp_1[0] = p0 | 0x04; 5736 sub->temp_1[3] = b; 5737 sub->temp_cmd = sub->temp_1; 5738 sub->state = UMIDI_ST_SYSEX_0; 5739 return (1); 5740 default: 5741 break; 5742 } 5743 } 5744 return (0); 5745 } 5746 5747 static void 5748 umidi_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 5749 { 5750 struct umidi_chan *chan = usbd_xfer_softc(xfer); 5751 struct umidi_sub_chan *sub; 5752 struct usb_page_cache *pc; 5753 uint32_t actlen; 5754 uint16_t nframes; 5755 uint8_t buf; 5756 uint8_t start_cable; 5757 uint8_t tr_any; 5758 int len; 5759 5760 usbd_xfer_status(xfer, &len, NULL, NULL, NULL); 5761 5762 /* 5763 * NOTE: Some MIDI devices only accept 4 bytes of data per 5764 * short terminated USB transfer. 5765 */ 5766 switch (USB_GET_STATE(xfer)) { 5767 case USB_ST_TRANSFERRED: 5768 DPRINTF("actlen=%d bytes\n", len); 5769 5770 case USB_ST_SETUP: 5771 tr_setup: 5772 DPRINTF("start\n"); 5773 5774 nframes = 0; /* reset */ 5775 start_cable = chan->curr_cable; 5776 tr_any = 0; 5777 pc = usbd_xfer_get_frame(xfer, 0); 5778 5779 while (1) { 5780 /* round robin de-queueing */ 5781 5782 sub = &chan->sub[chan->curr_cable]; 5783 5784 if (sub->write_open) { 5785 usb_fifo_get_data_linear(sub->fifo.fp[USB_FIFO_TX], 5786 &buf, 1, &actlen, 0); 5787 } else { 5788 actlen = 0; 5789 } 5790 5791 if (actlen) { 5792 tr_any = 1; 5793 5794 DPRINTF("byte=0x%02x from FIFO %u\n", buf, 5795 (unsigned int)chan->curr_cable); 5796 5797 if (umidi_convert_to_usb(sub, chan->curr_cable, buf)) { 5798 DPRINTF("sub=0x%02x 0x%02x 0x%02x 0x%02x\n", 5799 sub->temp_cmd[0], sub->temp_cmd[1], 5800 sub->temp_cmd[2], sub->temp_cmd[3]); 5801 5802 usbd_copy_in(pc, nframes * 4, sub->temp_cmd, 4); 5803 5804 nframes++; 5805 5806 if ((nframes >= UMIDI_TX_FRAMES) || (chan->single_command != 0)) 5807 break; 5808 } else { 5809 continue; 5810 } 5811 } 5812 5813 chan->curr_cable++; 5814 if (chan->curr_cable >= chan->max_emb_jack) 5815 chan->curr_cable = 0; 5816 5817 if (chan->curr_cable == start_cable) { 5818 if (tr_any == 0) 5819 break; 5820 tr_any = 0; 5821 } 5822 } 5823 5824 if (nframes != 0) { 5825 DPRINTF("Transferring %d frames\n", (int)nframes); 5826 usbd_xfer_set_frame_len(xfer, 0, 4 * nframes); 5827 usbd_transfer_submit(xfer); 5828 } 5829 break; 5830 5831 default: /* Error */ 5832 5833 DPRINTF("error=%s\n", usbd_errstr(error)); 5834 5835 if (error != USB_ERR_CANCELLED) { 5836 /* try to clear stall first */ 5837 usbd_xfer_set_stall(xfer); 5838 goto tr_setup; 5839 } 5840 break; 5841 } 5842 } 5843 5844 static struct umidi_sub_chan * 5845 umidi_sub_by_fifo(struct usb_fifo *fifo) 5846 { 5847 struct umidi_chan *chan = usb_fifo_softc(fifo); 5848 struct umidi_sub_chan *sub; 5849 uint32_t n; 5850 5851 for (n = 0; n < UMIDI_EMB_JACK_MAX; n++) { 5852 sub = &chan->sub[n]; 5853 if ((sub->fifo.fp[USB_FIFO_RX] == fifo) || 5854 (sub->fifo.fp[USB_FIFO_TX] == fifo)) { 5855 return (sub); 5856 } 5857 } 5858 5859 panic("%s:%d cannot find usb_fifo!\n", 5860 __FILE__, __LINE__); 5861 5862 return (NULL); 5863 } 5864 5865 static void 5866 umidi_start_read(struct usb_fifo *fifo) 5867 { 5868 struct umidi_chan *chan = usb_fifo_softc(fifo); 5869 5870 usbd_transfer_start(chan->xfer[UMIDI_RX_TRANSFER]); 5871 } 5872 5873 static void 5874 umidi_stop_read(struct usb_fifo *fifo) 5875 { 5876 struct umidi_chan *chan = usb_fifo_softc(fifo); 5877 struct umidi_sub_chan *sub = umidi_sub_by_fifo(fifo); 5878 5879 DPRINTF("\n"); 5880 5881 sub->read_open = 0; 5882 5883 if (--(chan->read_open_refcount) == 0) { 5884 /* 5885 * XXX don't stop the read transfer here, hence that causes 5886 * problems with some MIDI adapters 5887 */ 5888 DPRINTF("(stopping read transfer)\n"); 5889 } 5890 } 5891 5892 static void 5893 umidi_start_write(struct usb_fifo *fifo) 5894 { 5895 struct umidi_chan *chan = usb_fifo_softc(fifo); 5896 5897 if (chan->xfer[UMIDI_TX_TRANSFER] == NULL) { 5898 uint8_t buf[1]; 5899 int actlen; 5900 do { 5901 /* dump data */ 5902 usb_fifo_get_data_linear(fifo, buf, 1, &actlen, 0); 5903 } while (actlen > 0); 5904 } else { 5905 usbd_transfer_start(chan->xfer[UMIDI_TX_TRANSFER]); 5906 } 5907 } 5908 5909 static void 5910 umidi_stop_write(struct usb_fifo *fifo) 5911 { 5912 struct umidi_chan *chan = usb_fifo_softc(fifo); 5913 struct umidi_sub_chan *sub = umidi_sub_by_fifo(fifo); 5914 5915 DPRINTF("\n"); 5916 5917 sub->write_open = 0; 5918 5919 if (--(chan->write_open_refcount) == 0) { 5920 DPRINTF("(stopping write transfer)\n"); 5921 usbd_transfer_stop(chan->xfer[UMIDI_TX_TRANSFER]); 5922 } 5923 } 5924 5925 static int 5926 umidi_open(struct usb_fifo *fifo, int fflags) 5927 { 5928 struct umidi_chan *chan = usb_fifo_softc(fifo); 5929 struct umidi_sub_chan *sub = umidi_sub_by_fifo(fifo); 5930 5931 if (fflags & FREAD) { 5932 if (usb_fifo_alloc_buffer(fifo, 4, (1024 / 4))) { 5933 return (ENOMEM); 5934 } 5935 mtx_lock(&chan->mtx); 5936 chan->read_open_refcount++; 5937 sub->read_open = 1; 5938 mtx_unlock(&chan->mtx); 5939 } 5940 if (fflags & FWRITE) { 5941 if (usb_fifo_alloc_buffer(fifo, 32, (1024 / 32))) { 5942 return (ENOMEM); 5943 } 5944 /* clear stall first */ 5945 mtx_lock(&chan->mtx); 5946 chan->write_open_refcount++; 5947 sub->write_open = 1; 5948 5949 /* reset */ 5950 sub->state = UMIDI_ST_UNKNOWN; 5951 mtx_unlock(&chan->mtx); 5952 } 5953 return (0); /* success */ 5954 } 5955 5956 static void 5957 umidi_close(struct usb_fifo *fifo, int fflags) 5958 { 5959 if (fflags & FREAD) { 5960 usb_fifo_free_buffer(fifo); 5961 } 5962 if (fflags & FWRITE) { 5963 usb_fifo_free_buffer(fifo); 5964 } 5965 } 5966 5967 static int 5968 umidi_ioctl(struct usb_fifo *fifo, u_long cmd, void *data, 5969 int fflags) 5970 { 5971 return (ENODEV); 5972 } 5973 5974 static void 5975 umidi_init(device_t dev) 5976 { 5977 struct uaudio_softc *sc = device_get_softc(dev); 5978 struct umidi_chan *chan = &sc->sc_midi_chan; 5979 5980 mtx_init(&chan->mtx, "umidi lock", NULL, MTX_DEF | MTX_RECURSE); 5981 } 5982 5983 static struct usb_fifo_methods umidi_fifo_methods = { 5984 .f_start_read = &umidi_start_read, 5985 .f_start_write = &umidi_start_write, 5986 .f_stop_read = &umidi_stop_read, 5987 .f_stop_write = &umidi_stop_write, 5988 .f_open = &umidi_open, 5989 .f_close = &umidi_close, 5990 .f_ioctl = &umidi_ioctl, 5991 .basename[0] = "umidi", 5992 }; 5993 5994 static int 5995 umidi_probe(device_t dev) 5996 { 5997 struct uaudio_softc *sc = device_get_softc(dev); 5998 struct usb_attach_arg *uaa = device_get_ivars(dev); 5999 struct umidi_chan *chan = &sc->sc_midi_chan; 6000 struct umidi_sub_chan *sub; 6001 int unit = device_get_unit(dev); 6002 int error; 6003 uint32_t n; 6004 6005 if (usb_test_quirk(uaa, UQ_SINGLE_CMD_MIDI)) 6006 chan->single_command = 1; 6007 6008 error = usbd_set_alt_interface_index(sc->sc_udev, 6009 chan->iface_index, chan->iface_alt_index); 6010 if (error) { 6011 DPRINTF("setting of alternate index failed: %s\n", 6012 usbd_errstr(error)); 6013 goto detach; 6014 } 6015 usbd_set_parent_iface(sc->sc_udev, chan->iface_index, 6016 sc->sc_mixer_iface_index); 6017 6018 error = usbd_transfer_setup(uaa->device, &chan->iface_index, 6019 chan->xfer, umidi_config, UMIDI_N_TRANSFER, 6020 chan, &chan->mtx); 6021 if (error) { 6022 DPRINTF("error=%s\n", usbd_errstr(error)); 6023 goto detach; 6024 } 6025 if (chan->xfer[UMIDI_TX_TRANSFER] == NULL && 6026 chan->xfer[UMIDI_RX_TRANSFER] == NULL) { 6027 DPRINTF("no BULK or INTERRUPT MIDI endpoint(s) found\n"); 6028 goto detach; 6029 } 6030 6031 /* 6032 * Some USB MIDI device makers couldn't resist using 6033 * wMaxPacketSize = 4 for RX and TX BULK endpoints, although 6034 * that size is an unsupported value for FULL speed BULK 6035 * endpoints. The same applies to some HIGH speed MIDI devices 6036 * which are using a wMaxPacketSize different from 512 bytes. 6037 * 6038 * Refer to section 5.8.3 in USB 2.0 PDF: Cite: "All Host 6039 * Controllers are required to have support for 8-, 16-, 32-, 6040 * and 64-byte maximum packet sizes for full-speed bulk 6041 * endpoints and 512 bytes for high-speed bulk endpoints." 6042 */ 6043 if (chan->xfer[UMIDI_TX_TRANSFER] != NULL && 6044 usbd_xfer_maxp_was_clamped(chan->xfer[UMIDI_TX_TRANSFER])) 6045 chan->single_command = 1; 6046 6047 if (chan->single_command != 0) 6048 device_printf(dev, "Single command MIDI quirk enabled\n"); 6049 6050 if ((chan->max_emb_jack == 0) || 6051 (chan->max_emb_jack > UMIDI_EMB_JACK_MAX)) { 6052 chan->max_emb_jack = UMIDI_EMB_JACK_MAX; 6053 } 6054 6055 for (n = 0; n < chan->max_emb_jack; n++) { 6056 sub = &chan->sub[n]; 6057 6058 error = usb_fifo_attach(sc->sc_udev, chan, &chan->mtx, 6059 &umidi_fifo_methods, &sub->fifo, unit, n, 6060 chan->iface_index, 6061 UID_ROOT, GID_OPERATOR, 0666); 6062 if (error) { 6063 goto detach; 6064 } 6065 } 6066 6067 mtx_lock(&chan->mtx); 6068 6069 /* 6070 * NOTE: At least one device will not work properly unless the 6071 * BULK IN pipe is open all the time. This might have to do 6072 * about that the internal queues of the device overflow if we 6073 * don't read them regularly. 6074 */ 6075 usbd_transfer_start(chan->xfer[UMIDI_RX_TRANSFER]); 6076 6077 mtx_unlock(&chan->mtx); 6078 6079 return (0); /* success */ 6080 6081 detach: 6082 return (ENXIO); /* failure */ 6083 } 6084 6085 static int 6086 umidi_detach(device_t dev) 6087 { 6088 struct uaudio_softc *sc = device_get_softc(dev); 6089 struct umidi_chan *chan = &sc->sc_midi_chan; 6090 uint32_t n; 6091 6092 for (n = 0; n < UMIDI_EMB_JACK_MAX; n++) 6093 usb_fifo_detach(&chan->sub[n].fifo); 6094 6095 mtx_lock(&chan->mtx); 6096 6097 usbd_transfer_stop(chan->xfer[UMIDI_RX_TRANSFER]); 6098 6099 mtx_unlock(&chan->mtx); 6100 6101 usbd_transfer_unsetup(chan->xfer, UMIDI_N_TRANSFER); 6102 6103 mtx_destroy(&chan->mtx); 6104 6105 return (0); 6106 } 6107 6108 static void 6109 uaudio_hid_rx_callback(struct usb_xfer *xfer, usb_error_t error) 6110 { 6111 struct uaudio_softc *sc = usbd_xfer_softc(xfer); 6112 const uint8_t *buffer = usbd_xfer_get_frame_buffer(xfer, 0); 6113 struct snd_mixer *m; 6114 uint8_t id; 6115 int actlen; 6116 6117 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 6118 6119 switch (USB_GET_STATE(xfer)) { 6120 case USB_ST_TRANSFERRED: 6121 DPRINTF("actlen=%d\n", actlen); 6122 6123 if (actlen != 0 && 6124 (sc->sc_hid.flags & UAUDIO_HID_HAS_ID)) { 6125 id = *buffer; 6126 buffer++; 6127 actlen--; 6128 } else { 6129 id = 0; 6130 } 6131 6132 m = sc->sc_child[0].mixer_dev; 6133 6134 if ((sc->sc_hid.flags & UAUDIO_HID_HAS_MUTE) && 6135 (sc->sc_hid.mute_id == id) && 6136 hid_get_data(buffer, actlen, 6137 &sc->sc_hid.mute_loc)) { 6138 DPRINTF("Mute toggle\n"); 6139 6140 mixer_hwvol_mute_locked(m); 6141 } 6142 6143 if ((sc->sc_hid.flags & UAUDIO_HID_HAS_VOLUME_UP) && 6144 (sc->sc_hid.volume_up_id == id) && 6145 hid_get_data(buffer, actlen, 6146 &sc->sc_hid.volume_up_loc)) { 6147 DPRINTF("Volume Up\n"); 6148 6149 mixer_hwvol_step_locked(m, 1, 1); 6150 } 6151 6152 if ((sc->sc_hid.flags & UAUDIO_HID_HAS_VOLUME_DOWN) && 6153 (sc->sc_hid.volume_down_id == id) && 6154 hid_get_data(buffer, actlen, 6155 &sc->sc_hid.volume_down_loc)) { 6156 DPRINTF("Volume Down\n"); 6157 6158 mixer_hwvol_step_locked(m, -1, -1); 6159 } 6160 6161 case USB_ST_SETUP: 6162 tr_setup: 6163 /* check if we can put more data into the FIFO */ 6164 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 6165 usbd_transfer_submit(xfer); 6166 break; 6167 6168 default: /* Error */ 6169 6170 DPRINTF("error=%s\n", usbd_errstr(error)); 6171 6172 if (error != USB_ERR_CANCELLED) { 6173 /* try to clear stall first */ 6174 usbd_xfer_set_stall(xfer); 6175 goto tr_setup; 6176 } 6177 break; 6178 } 6179 } 6180 6181 static int 6182 uaudio_hid_probe(struct uaudio_softc *sc, 6183 struct usb_attach_arg *uaa) 6184 { 6185 void *d_ptr; 6186 uint32_t flags; 6187 uint16_t d_len; 6188 uint8_t id; 6189 int error; 6190 6191 if (!(sc->sc_hid.flags & UAUDIO_HID_VALID)) 6192 return (-1); 6193 6194 if (sc->sc_child[0].mixer_lock == NULL) 6195 return (-1); 6196 6197 /* Get HID descriptor */ 6198 error = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr, 6199 &d_len, M_TEMP, sc->sc_hid.iface_index); 6200 6201 if (error) { 6202 DPRINTF("error reading report description\n"); 6203 return (-1); 6204 } 6205 6206 /* check if there is an ID byte */ 6207 hid_report_size_max(d_ptr, d_len, hid_input, &id); 6208 6209 if (id != 0) 6210 sc->sc_hid.flags |= UAUDIO_HID_HAS_ID; 6211 6212 if (hid_locate(d_ptr, d_len, 6213 HID_USAGE2(HUP_CONSUMER, 0xE9 /* Volume Increment */), 6214 hid_input, 0, &sc->sc_hid.volume_up_loc, &flags, 6215 &sc->sc_hid.volume_up_id)) { 6216 if (flags & HIO_VARIABLE) 6217 sc->sc_hid.flags |= UAUDIO_HID_HAS_VOLUME_UP; 6218 DPRINTFN(1, "Found Volume Up key\n"); 6219 } 6220 6221 if (hid_locate(d_ptr, d_len, 6222 HID_USAGE2(HUP_CONSUMER, 0xEA /* Volume Decrement */), 6223 hid_input, 0, &sc->sc_hid.volume_down_loc, &flags, 6224 &sc->sc_hid.volume_down_id)) { 6225 if (flags & HIO_VARIABLE) 6226 sc->sc_hid.flags |= UAUDIO_HID_HAS_VOLUME_DOWN; 6227 DPRINTFN(1, "Found Volume Down key\n"); 6228 } 6229 6230 if (hid_locate(d_ptr, d_len, 6231 HID_USAGE2(HUP_CONSUMER, 0xE2 /* Mute */), 6232 hid_input, 0, &sc->sc_hid.mute_loc, &flags, 6233 &sc->sc_hid.mute_id)) { 6234 if (flags & HIO_VARIABLE) 6235 sc->sc_hid.flags |= UAUDIO_HID_HAS_MUTE; 6236 DPRINTFN(1, "Found Mute key\n"); 6237 } 6238 6239 free(d_ptr, M_TEMP); 6240 6241 if (!(sc->sc_hid.flags & (UAUDIO_HID_HAS_VOLUME_UP | 6242 UAUDIO_HID_HAS_VOLUME_DOWN | 6243 UAUDIO_HID_HAS_MUTE))) { 6244 DPRINTFN(1, "Did not find any volume related keys\n"); 6245 return (-1); 6246 } 6247 6248 /* prevent the uhid driver from attaching */ 6249 usbd_set_parent_iface(uaa->device, sc->sc_hid.iface_index, 6250 sc->sc_mixer_iface_index); 6251 6252 /* allocate USB transfers */ 6253 error = usbd_transfer_setup(uaa->device, &sc->sc_hid.iface_index, 6254 sc->sc_hid.xfer, uaudio_hid_config, UAUDIO_HID_N_TRANSFER, 6255 sc, sc->sc_child[0].mixer_lock); 6256 if (error) { 6257 DPRINTF("error=%s\n", usbd_errstr(error)); 6258 return (-1); 6259 } 6260 return (0); 6261 } 6262 6263 static void 6264 uaudio_hid_detach(struct uaudio_softc *sc) 6265 { 6266 usbd_transfer_unsetup(sc->sc_hid.xfer, UAUDIO_HID_N_TRANSFER); 6267 } 6268 6269 DRIVER_MODULE_ORDERED(snd_uaudio, uhub, uaudio_driver, NULL, NULL, SI_ORDER_ANY); 6270 MODULE_DEPEND(snd_uaudio, usb, 1, 1, 1); 6271 MODULE_DEPEND(snd_uaudio, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 6272 MODULE_DEPEND(snd_uaudio, hid, 1, 1, 1); 6273 MODULE_VERSION(snd_uaudio, 1); 6274 USB_PNP_HOST_INFO(uaudio_devs); 6275 USB_PNP_HOST_INFO(uaudio_vendor_midi); 6276