1 // SPDX-License-Identifier: GPL-2.0-only 2 /* Copyright (C) by Paul Barton-Davis 1998-1999 3 * 4 * Some portions of this file are taken from work that is 5 * copyright (C) by Hannu Savolainen 1993-1996 6 */ 7 8 /* 9 * An ALSA lowlevel driver for Turtle Beach ICS2115 wavetable synth 10 * (Maui, Tropez, Tropez Plus) 11 * 12 * This driver supports the onboard wavetable synthesizer (an ICS2115), 13 * including patch, sample and program loading and unloading, conversion 14 * of GUS patches during loading, and full user-level access to all 15 * WaveFront commands. It tries to provide semi-intelligent patch and 16 * sample management as well. 17 * 18 */ 19 20 #include <linux/io.h> 21 #include <linux/interrupt.h> 22 #include <linux/init.h> 23 #include <linux/delay.h> 24 #include <linux/time.h> 25 #include <linux/wait.h> 26 #include <linux/sched/signal.h> 27 #include <linux/firmware.h> 28 #include <linux/moduleparam.h> 29 #include <linux/slab.h> 30 #include <linux/module.h> 31 #include <sound/core.h> 32 #include <sound/snd_wavefront.h> 33 #include <sound/initval.h> 34 35 static int wf_raw = 0; /* we normally check for "raw state" to firmware 36 loading. if non-zero, then during driver loading, the 37 state of the board is ignored, and we reset the 38 board and load the firmware anyway. 39 */ 40 41 static int fx_raw = 1; /* if this is zero, we'll leave the FX processor in 42 whatever state it is when the driver is loaded. 43 The default is to download the microprogram and 44 associated coefficients to set it up for "default" 45 operation, whatever that means. 46 */ 47 48 static int debug_default = 0; /* you can set this to control debugging 49 during driver loading. it takes any combination 50 of the WF_DEBUG_* flags defined in 51 wavefront.h 52 */ 53 54 /* XXX this needs to be made firmware and hardware version dependent */ 55 56 #define DEFAULT_OSPATH "wavefront.os" 57 static char *ospath = DEFAULT_OSPATH; /* the firmware file name */ 58 59 static int wait_usecs = 150; /* This magic number seems to give pretty optimal 60 throughput based on my limited experimentation. 61 If you want to play around with it and find a better 62 value, be my guest. Remember, the idea is to 63 get a number that causes us to just busy wait 64 for as many WaveFront commands as possible, without 65 coming up with a number so large that we hog the 66 whole CPU. 67 68 Specifically, with this number, out of about 134,000 69 status waits, only about 250 result in a sleep. 70 */ 71 72 static int sleep_interval = 100; /* HZ/sleep_interval seconds per sleep */ 73 static int sleep_tries = 50; /* number of times we'll try to sleep */ 74 75 static int reset_time = 2; /* hundreths of a second we wait after a HW 76 reset for the expected interrupt. 77 */ 78 79 static int ramcheck_time = 20; /* time in seconds to wait while ROM code 80 checks on-board RAM. 81 */ 82 83 static int osrun_time = 10; /* time in seconds we wait for the OS to 84 start running. 85 */ 86 module_param(wf_raw, int, 0444); 87 MODULE_PARM_DESC(wf_raw, "if non-zero, assume that we need to boot the OS"); 88 module_param(fx_raw, int, 0444); 89 MODULE_PARM_DESC(fx_raw, "if non-zero, assume that the FX process needs help"); 90 module_param(debug_default, int, 0444); 91 MODULE_PARM_DESC(debug_default, "debug parameters for card initialization"); 92 module_param(wait_usecs, int, 0444); 93 MODULE_PARM_DESC(wait_usecs, "how long to wait without sleeping, usecs"); 94 module_param(sleep_interval, int, 0444); 95 MODULE_PARM_DESC(sleep_interval, "how long to sleep when waiting for reply"); 96 module_param(sleep_tries, int, 0444); 97 MODULE_PARM_DESC(sleep_tries, "how many times to try sleeping during a wait"); 98 module_param(ospath, charp, 0444); 99 MODULE_PARM_DESC(ospath, "pathname to processed ICS2115 OS firmware"); 100 module_param(reset_time, int, 0444); 101 MODULE_PARM_DESC(reset_time, "how long to wait for a reset to take effect"); 102 module_param(ramcheck_time, int, 0444); 103 MODULE_PARM_DESC(ramcheck_time, "how many seconds to wait for the RAM test"); 104 module_param(osrun_time, int, 0444); 105 MODULE_PARM_DESC(osrun_time, "how many seconds to wait for the ICS2115 OS"); 106 107 /* if WF_DEBUG not defined, no run-time debugging messages will 108 be available via the debug flag setting. Given the current 109 beta state of the driver, this will remain set until a future 110 version. 111 */ 112 113 #define WF_DEBUG 1 114 115 #ifdef WF_DEBUG 116 117 #define DPRINT(cond, ...) \ 118 if ((dev->debug & (cond)) == (cond)) { \ 119 snd_printk (__VA_ARGS__); \ 120 } 121 #else 122 #define DPRINT(cond, args...) 123 #endif /* WF_DEBUG */ 124 125 #define LOGNAME "WaveFront: " 126 127 /* bitmasks for WaveFront status port value */ 128 129 #define STAT_RINTR_ENABLED 0x01 130 #define STAT_CAN_READ 0x02 131 #define STAT_INTR_READ 0x04 132 #define STAT_WINTR_ENABLED 0x10 133 #define STAT_CAN_WRITE 0x20 134 #define STAT_INTR_WRITE 0x40 135 136 static int wavefront_delete_sample (snd_wavefront_t *, int sampnum); 137 static int wavefront_find_free_sample (snd_wavefront_t *); 138 139 struct wavefront_command { 140 int cmd; 141 char *action; 142 unsigned int read_cnt; 143 unsigned int write_cnt; 144 int need_ack; 145 }; 146 147 static struct { 148 int errno; 149 const char *errstr; 150 } wavefront_errors[] = { 151 { 0x01, "Bad sample number" }, 152 { 0x02, "Out of sample memory" }, 153 { 0x03, "Bad patch number" }, 154 { 0x04, "Error in number of voices" }, 155 { 0x06, "Sample load already in progress" }, 156 { 0x0B, "No sample load request pending" }, 157 { 0x0E, "Bad MIDI channel number" }, 158 { 0x10, "Download Record Error" }, 159 { 0x80, "Success" }, 160 { 0x0 } 161 }; 162 163 #define NEEDS_ACK 1 164 165 static struct wavefront_command wavefront_commands[] = { 166 { WFC_SET_SYNTHVOL, "set synthesizer volume", 0, 1, NEEDS_ACK }, 167 { WFC_GET_SYNTHVOL, "get synthesizer volume", 1, 0, 0}, 168 { WFC_SET_NVOICES, "set number of voices", 0, 1, NEEDS_ACK }, 169 { WFC_GET_NVOICES, "get number of voices", 1, 0, 0 }, 170 { WFC_SET_TUNING, "set synthesizer tuning", 0, 2, NEEDS_ACK }, 171 { WFC_GET_TUNING, "get synthesizer tuning", 2, 0, 0 }, 172 { WFC_DISABLE_CHANNEL, "disable synth channel", 0, 1, NEEDS_ACK }, 173 { WFC_ENABLE_CHANNEL, "enable synth channel", 0, 1, NEEDS_ACK }, 174 { WFC_GET_CHANNEL_STATUS, "get synth channel status", 3, 0, 0 }, 175 { WFC_MISYNTH_OFF, "disable midi-in to synth", 0, 0, NEEDS_ACK }, 176 { WFC_MISYNTH_ON, "enable midi-in to synth", 0, 0, NEEDS_ACK }, 177 { WFC_VMIDI_ON, "enable virtual midi mode", 0, 0, NEEDS_ACK }, 178 { WFC_VMIDI_OFF, "disable virtual midi mode", 0, 0, NEEDS_ACK }, 179 { WFC_MIDI_STATUS, "report midi status", 1, 0, 0 }, 180 { WFC_FIRMWARE_VERSION, "report firmware version", 2, 0, 0 }, 181 { WFC_HARDWARE_VERSION, "report hardware version", 2, 0, 0 }, 182 { WFC_GET_NSAMPLES, "report number of samples", 2, 0, 0 }, 183 { WFC_INSTOUT_LEVELS, "report instantaneous output levels", 7, 0, 0 }, 184 { WFC_PEAKOUT_LEVELS, "report peak output levels", 7, 0, 0 }, 185 { WFC_DOWNLOAD_SAMPLE, "download sample", 186 0, WF_SAMPLE_BYTES, NEEDS_ACK }, 187 { WFC_DOWNLOAD_BLOCK, "download block", 0, 0, NEEDS_ACK}, 188 { WFC_DOWNLOAD_SAMPLE_HEADER, "download sample header", 189 0, WF_SAMPLE_HDR_BYTES, NEEDS_ACK }, 190 { WFC_UPLOAD_SAMPLE_HEADER, "upload sample header", 13, 2, 0 }, 191 192 /* This command requires a variable number of bytes to be written. 193 There is a hack in snd_wavefront_cmd() to support this. The actual 194 count is passed in as the read buffer ptr, cast appropriately. 195 Ugh. 196 */ 197 198 { WFC_DOWNLOAD_MULTISAMPLE, "download multisample", 0, 0, NEEDS_ACK }, 199 200 /* This one is a hack as well. We just read the first byte of the 201 response, don't fetch an ACK, and leave the rest to the 202 calling function. Ugly, ugly, ugly. 203 */ 204 205 { WFC_UPLOAD_MULTISAMPLE, "upload multisample", 2, 1, 0 }, 206 { WFC_DOWNLOAD_SAMPLE_ALIAS, "download sample alias", 207 0, WF_ALIAS_BYTES, NEEDS_ACK }, 208 { WFC_UPLOAD_SAMPLE_ALIAS, "upload sample alias", WF_ALIAS_BYTES, 2, 0}, 209 { WFC_DELETE_SAMPLE, "delete sample", 0, 2, NEEDS_ACK }, 210 { WFC_IDENTIFY_SAMPLE_TYPE, "identify sample type", 5, 2, 0 }, 211 { WFC_UPLOAD_SAMPLE_PARAMS, "upload sample parameters" }, 212 { WFC_REPORT_FREE_MEMORY, "report free memory", 4, 0, 0 }, 213 { WFC_DOWNLOAD_PATCH, "download patch", 0, 134, NEEDS_ACK }, 214 { WFC_UPLOAD_PATCH, "upload patch", 132, 2, 0 }, 215 { WFC_DOWNLOAD_PROGRAM, "download program", 0, 33, NEEDS_ACK }, 216 { WFC_UPLOAD_PROGRAM, "upload program", 32, 1, 0 }, 217 { WFC_DOWNLOAD_EDRUM_PROGRAM, "download enhanced drum program", 0, 9, 218 NEEDS_ACK}, 219 { WFC_UPLOAD_EDRUM_PROGRAM, "upload enhanced drum program", 8, 1, 0}, 220 { WFC_SET_EDRUM_CHANNEL, "set enhanced drum program channel", 221 0, 1, NEEDS_ACK }, 222 { WFC_DISABLE_DRUM_PROGRAM, "disable drum program", 0, 1, NEEDS_ACK }, 223 { WFC_REPORT_CHANNEL_PROGRAMS, "report channel program numbers", 224 32, 0, 0 }, 225 { WFC_NOOP, "the no-op command", 0, 0, NEEDS_ACK }, 226 { 0x00 } 227 }; 228 229 static const char * 230 wavefront_errorstr (int errnum) 231 232 { 233 int i; 234 235 for (i = 0; wavefront_errors[i].errstr; i++) { 236 if (wavefront_errors[i].errno == errnum) { 237 return wavefront_errors[i].errstr; 238 } 239 } 240 241 return "Unknown WaveFront error"; 242 } 243 244 static struct wavefront_command * 245 wavefront_get_command (int cmd) 246 247 { 248 int i; 249 250 for (i = 0; wavefront_commands[i].cmd != 0; i++) { 251 if (cmd == wavefront_commands[i].cmd) { 252 return &wavefront_commands[i]; 253 } 254 } 255 256 return NULL; 257 } 258 259 static inline int 260 wavefront_status (snd_wavefront_t *dev) 261 262 { 263 return inb (dev->status_port); 264 } 265 266 static int 267 wavefront_sleep (int limit) 268 269 { 270 schedule_timeout_interruptible(limit); 271 272 return signal_pending(current); 273 } 274 275 static int 276 wavefront_wait (snd_wavefront_t *dev, int mask) 277 278 { 279 int i; 280 281 /* Spin for a short period of time, because >99% of all 282 requests to the WaveFront can be serviced inline like this. 283 */ 284 285 for (i = 0; i < wait_usecs; i += 5) { 286 if (wavefront_status (dev) & mask) { 287 return 1; 288 } 289 udelay(5); 290 } 291 292 for (i = 0; i < sleep_tries; i++) { 293 294 if (wavefront_status (dev) & mask) { 295 return 1; 296 } 297 298 if (wavefront_sleep (HZ/sleep_interval)) { 299 return (0); 300 } 301 } 302 303 return (0); 304 } 305 306 static int 307 wavefront_read (snd_wavefront_t *dev) 308 309 { 310 if (wavefront_wait (dev, STAT_CAN_READ)) 311 return inb (dev->data_port); 312 313 DPRINT (WF_DEBUG_DATA, "read timeout.\n"); 314 315 return -1; 316 } 317 318 static int 319 wavefront_write (snd_wavefront_t *dev, unsigned char data) 320 321 { 322 if (wavefront_wait (dev, STAT_CAN_WRITE)) { 323 outb (data, dev->data_port); 324 return 0; 325 } 326 327 DPRINT (WF_DEBUG_DATA, "write timeout.\n"); 328 329 return -1; 330 } 331 332 int 333 snd_wavefront_cmd (snd_wavefront_t *dev, 334 int cmd, unsigned char *rbuf, unsigned char *wbuf) 335 336 { 337 int ack; 338 unsigned int i; 339 int c; 340 struct wavefront_command *wfcmd; 341 342 if ((wfcmd = wavefront_get_command (cmd)) == NULL) { 343 snd_printk ("command 0x%x not supported.\n", 344 cmd); 345 return 1; 346 } 347 348 /* Hack to handle the one variable-size write command. See 349 wavefront_send_multisample() for the other half of this 350 gross and ugly strategy. 351 */ 352 353 if (cmd == WFC_DOWNLOAD_MULTISAMPLE) { 354 wfcmd->write_cnt = (unsigned long) rbuf; 355 rbuf = NULL; 356 } 357 358 DPRINT (WF_DEBUG_CMD, "0x%x [%s] (%d,%d,%d)\n", 359 cmd, wfcmd->action, wfcmd->read_cnt, 360 wfcmd->write_cnt, wfcmd->need_ack); 361 362 if (wavefront_write (dev, cmd)) { 363 DPRINT ((WF_DEBUG_IO|WF_DEBUG_CMD), "cannot request " 364 "0x%x [%s].\n", 365 cmd, wfcmd->action); 366 return 1; 367 } 368 369 if (wfcmd->write_cnt > 0) { 370 DPRINT (WF_DEBUG_DATA, "writing %d bytes " 371 "for 0x%x\n", 372 wfcmd->write_cnt, cmd); 373 374 for (i = 0; i < wfcmd->write_cnt; i++) { 375 if (wavefront_write (dev, wbuf[i])) { 376 DPRINT (WF_DEBUG_IO, "bad write for byte " 377 "%d of 0x%x [%s].\n", 378 i, cmd, wfcmd->action); 379 return 1; 380 } 381 382 DPRINT (WF_DEBUG_DATA, "write[%d] = 0x%x\n", 383 i, wbuf[i]); 384 } 385 } 386 387 if (wfcmd->read_cnt > 0) { 388 DPRINT (WF_DEBUG_DATA, "reading %d ints " 389 "for 0x%x\n", 390 wfcmd->read_cnt, cmd); 391 392 for (i = 0; i < wfcmd->read_cnt; i++) { 393 394 if ((c = wavefront_read (dev)) == -1) { 395 DPRINT (WF_DEBUG_IO, "bad read for byte " 396 "%d of 0x%x [%s].\n", 397 i, cmd, wfcmd->action); 398 return 1; 399 } 400 401 /* Now handle errors. Lots of special cases here */ 402 403 if (c == 0xff) { 404 if ((c = wavefront_read (dev)) == -1) { 405 DPRINT (WF_DEBUG_IO, "bad read for " 406 "error byte at " 407 "read byte %d " 408 "of 0x%x [%s].\n", 409 i, cmd, 410 wfcmd->action); 411 return 1; 412 } 413 414 /* Can you believe this madness ? */ 415 416 if (c == 1 && 417 wfcmd->cmd == WFC_IDENTIFY_SAMPLE_TYPE) { 418 rbuf[0] = WF_ST_EMPTY; 419 return (0); 420 421 } else if (c == 3 && 422 wfcmd->cmd == WFC_UPLOAD_PATCH) { 423 424 return 3; 425 426 } else if (c == 1 && 427 wfcmd->cmd == WFC_UPLOAD_PROGRAM) { 428 429 return 1; 430 431 } else { 432 433 DPRINT (WF_DEBUG_IO, "error %d (%s) " 434 "during " 435 "read for byte " 436 "%d of 0x%x " 437 "[%s].\n", 438 c, 439 wavefront_errorstr (c), 440 i, cmd, 441 wfcmd->action); 442 return 1; 443 444 } 445 446 } else { 447 rbuf[i] = c; 448 } 449 450 DPRINT (WF_DEBUG_DATA, "read[%d] = 0x%x\n",i, rbuf[i]); 451 } 452 } 453 454 if ((wfcmd->read_cnt == 0 && wfcmd->write_cnt == 0) || wfcmd->need_ack) { 455 456 DPRINT (WF_DEBUG_CMD, "reading ACK for 0x%x\n", cmd); 457 458 /* Some commands need an ACK, but return zero instead 459 of the standard value. 460 */ 461 462 if ((ack = wavefront_read (dev)) == 0) { 463 ack = WF_ACK; 464 } 465 466 if (ack != WF_ACK) { 467 if (ack == -1) { 468 DPRINT (WF_DEBUG_IO, "cannot read ack for " 469 "0x%x [%s].\n", 470 cmd, wfcmd->action); 471 return 1; 472 473 } else { 474 int err = -1; /* something unknown */ 475 476 if (ack == 0xff) { /* explicit error */ 477 478 if ((err = wavefront_read (dev)) == -1) { 479 DPRINT (WF_DEBUG_DATA, 480 "cannot read err " 481 "for 0x%x [%s].\n", 482 cmd, wfcmd->action); 483 } 484 } 485 486 DPRINT (WF_DEBUG_IO, "0x%x [%s] " 487 "failed (0x%x, 0x%x, %s)\n", 488 cmd, wfcmd->action, ack, err, 489 wavefront_errorstr (err)); 490 491 return -err; 492 } 493 } 494 495 DPRINT (WF_DEBUG_DATA, "ack received " 496 "for 0x%x [%s]\n", 497 cmd, wfcmd->action); 498 } else { 499 500 DPRINT (WF_DEBUG_CMD, "0x%x [%s] does not need " 501 "ACK (%d,%d,%d)\n", 502 cmd, wfcmd->action, wfcmd->read_cnt, 503 wfcmd->write_cnt, wfcmd->need_ack); 504 } 505 506 return 0; 507 508 } 509 510 /*********************************************************************** 511 WaveFront data munging 512 513 Things here are weird. All data written to the board cannot 514 have its most significant bit set. Any data item with values 515 potentially > 0x7F (127) must be split across multiple bytes. 516 517 Sometimes, we need to munge numeric values that are represented on 518 the x86 side as 8-32 bit values. Sometimes, we need to munge data 519 that is represented on the x86 side as an array of bytes. The most 520 efficient approach to handling both cases seems to be to use 2 521 different functions for munging and 2 for de-munging. This avoids 522 weird casting and worrying about bit-level offsets. 523 524 **********************************************************************/ 525 526 static unsigned char * 527 munge_int32 (unsigned int src, 528 unsigned char *dst, 529 unsigned int dst_size) 530 { 531 unsigned int i; 532 533 for (i = 0; i < dst_size; i++) { 534 *dst = src & 0x7F; /* Mask high bit of LSB */ 535 src = src >> 7; /* Rotate Right 7 bits */ 536 /* Note: we leave the upper bits in place */ 537 538 dst++; 539 } 540 return dst; 541 }; 542 543 static int 544 demunge_int32 (unsigned char* src, int src_size) 545 546 { 547 int i; 548 int outval = 0; 549 550 for (i = src_size - 1; i >= 0; i--) { 551 outval=(outval<<7)+src[i]; 552 } 553 554 return outval; 555 }; 556 557 static 558 unsigned char * 559 munge_buf (unsigned char *src, unsigned char *dst, unsigned int dst_size) 560 561 { 562 unsigned int i; 563 unsigned int last = dst_size / 2; 564 565 for (i = 0; i < last; i++) { 566 *dst++ = src[i] & 0x7f; 567 *dst++ = src[i] >> 7; 568 } 569 return dst; 570 } 571 572 static 573 unsigned char * 574 demunge_buf (unsigned char *src, unsigned char *dst, unsigned int src_bytes) 575 576 { 577 int i; 578 unsigned char *end = src + src_bytes; 579 580 end = src + src_bytes; 581 582 /* NOTE: src and dst *CAN* point to the same address */ 583 584 for (i = 0; src != end; i++) { 585 dst[i] = *src++; 586 dst[i] |= (*src++)<<7; 587 } 588 589 return dst; 590 } 591 592 /*********************************************************************** 593 WaveFront: sample, patch and program management. 594 ***********************************************************************/ 595 596 static int 597 wavefront_delete_sample (snd_wavefront_t *dev, int sample_num) 598 599 { 600 unsigned char wbuf[2]; 601 int x; 602 603 wbuf[0] = sample_num & 0x7f; 604 wbuf[1] = sample_num >> 7; 605 606 if ((x = snd_wavefront_cmd (dev, WFC_DELETE_SAMPLE, NULL, wbuf)) == 0) { 607 dev->sample_status[sample_num] = WF_ST_EMPTY; 608 } 609 610 return x; 611 } 612 613 static int 614 wavefront_get_sample_status (snd_wavefront_t *dev, int assume_rom) 615 616 { 617 int i; 618 unsigned char rbuf[32], wbuf[32]; 619 unsigned int sc_real, sc_alias, sc_multi; 620 621 /* check sample status */ 622 623 if (snd_wavefront_cmd (dev, WFC_GET_NSAMPLES, rbuf, wbuf)) { 624 snd_printk ("cannot request sample count.\n"); 625 return -1; 626 } 627 628 sc_real = sc_alias = sc_multi = dev->samples_used = 0; 629 630 for (i = 0; i < WF_MAX_SAMPLE; i++) { 631 632 wbuf[0] = i & 0x7f; 633 wbuf[1] = i >> 7; 634 635 if (snd_wavefront_cmd (dev, WFC_IDENTIFY_SAMPLE_TYPE, rbuf, wbuf)) { 636 snd_printk(KERN_WARNING "cannot identify sample " 637 "type of slot %d\n", i); 638 dev->sample_status[i] = WF_ST_EMPTY; 639 continue; 640 } 641 642 dev->sample_status[i] = (WF_SLOT_FILLED|rbuf[0]); 643 644 if (assume_rom) { 645 dev->sample_status[i] |= WF_SLOT_ROM; 646 } 647 648 switch (rbuf[0] & WF_ST_MASK) { 649 case WF_ST_SAMPLE: 650 sc_real++; 651 break; 652 case WF_ST_MULTISAMPLE: 653 sc_multi++; 654 break; 655 case WF_ST_ALIAS: 656 sc_alias++; 657 break; 658 case WF_ST_EMPTY: 659 break; 660 661 default: 662 snd_printk ("unknown sample type for " 663 "slot %d (0x%x)\n", 664 i, rbuf[0]); 665 } 666 667 if (rbuf[0] != WF_ST_EMPTY) { 668 dev->samples_used++; 669 } 670 } 671 672 snd_printk ("%d samples used (%d real, %d aliases, %d multi), " 673 "%d empty\n", dev->samples_used, sc_real, sc_alias, sc_multi, 674 WF_MAX_SAMPLE - dev->samples_used); 675 676 677 return (0); 678 679 } 680 681 static int 682 wavefront_get_patch_status (snd_wavefront_t *dev) 683 684 { 685 unsigned char patchbuf[WF_PATCH_BYTES]; 686 unsigned char patchnum[2]; 687 wavefront_patch *p; 688 int i, x, cnt, cnt2; 689 690 for (i = 0; i < WF_MAX_PATCH; i++) { 691 patchnum[0] = i & 0x7f; 692 patchnum[1] = i >> 7; 693 694 if ((x = snd_wavefront_cmd (dev, WFC_UPLOAD_PATCH, patchbuf, 695 patchnum)) == 0) { 696 697 dev->patch_status[i] |= WF_SLOT_FILLED; 698 p = (wavefront_patch *) patchbuf; 699 dev->sample_status 700 [p->sample_number|(p->sample_msb<<7)] |= 701 WF_SLOT_USED; 702 703 } else if (x == 3) { /* Bad patch number */ 704 dev->patch_status[i] = 0; 705 } else { 706 snd_printk ("upload patch " 707 "error 0x%x\n", x); 708 dev->patch_status[i] = 0; 709 return 1; 710 } 711 } 712 713 /* program status has already filled in slot_used bits */ 714 715 for (i = 0, cnt = 0, cnt2 = 0; i < WF_MAX_PATCH; i++) { 716 if (dev->patch_status[i] & WF_SLOT_FILLED) { 717 cnt++; 718 } 719 if (dev->patch_status[i] & WF_SLOT_USED) { 720 cnt2++; 721 } 722 723 } 724 snd_printk ("%d patch slots filled, %d in use\n", cnt, cnt2); 725 726 return (0); 727 } 728 729 static int 730 wavefront_get_program_status (snd_wavefront_t *dev) 731 732 { 733 unsigned char progbuf[WF_PROGRAM_BYTES]; 734 wavefront_program prog; 735 unsigned char prognum; 736 int i, x, l, cnt; 737 738 for (i = 0; i < WF_MAX_PROGRAM; i++) { 739 prognum = i; 740 741 if ((x = snd_wavefront_cmd (dev, WFC_UPLOAD_PROGRAM, progbuf, 742 &prognum)) == 0) { 743 744 dev->prog_status[i] |= WF_SLOT_USED; 745 746 demunge_buf (progbuf, (unsigned char *) &prog, 747 WF_PROGRAM_BYTES); 748 749 for (l = 0; l < WF_NUM_LAYERS; l++) { 750 if (prog.layer[l].mute) { 751 dev->patch_status 752 [prog.layer[l].patch_number] |= 753 WF_SLOT_USED; 754 } 755 } 756 } else if (x == 1) { /* Bad program number */ 757 dev->prog_status[i] = 0; 758 } else { 759 snd_printk ("upload program " 760 "error 0x%x\n", x); 761 dev->prog_status[i] = 0; 762 } 763 } 764 765 for (i = 0, cnt = 0; i < WF_MAX_PROGRAM; i++) { 766 if (dev->prog_status[i]) { 767 cnt++; 768 } 769 } 770 771 snd_printk ("%d programs slots in use\n", cnt); 772 773 return (0); 774 } 775 776 static int 777 wavefront_send_patch (snd_wavefront_t *dev, wavefront_patch_info *header) 778 779 { 780 unsigned char buf[WF_PATCH_BYTES+2]; 781 unsigned char *bptr; 782 783 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading patch %d\n", 784 header->number); 785 786 if (header->number >= ARRAY_SIZE(dev->patch_status)) 787 return -EINVAL; 788 789 dev->patch_status[header->number] |= WF_SLOT_FILLED; 790 791 bptr = munge_int32 (header->number, buf, 2); 792 munge_buf ((unsigned char *)&header->hdr.p, bptr, WF_PATCH_BYTES); 793 794 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PATCH, NULL, buf)) { 795 snd_printk ("download patch failed\n"); 796 return -EIO; 797 } 798 799 return (0); 800 } 801 802 static int 803 wavefront_send_program (snd_wavefront_t *dev, wavefront_patch_info *header) 804 805 { 806 unsigned char buf[WF_PROGRAM_BYTES+1]; 807 int i; 808 809 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading program %d\n", 810 header->number); 811 812 if (header->number >= ARRAY_SIZE(dev->prog_status)) 813 return -EINVAL; 814 815 dev->prog_status[header->number] = WF_SLOT_USED; 816 817 /* XXX need to zero existing SLOT_USED bit for program_status[i] 818 where `i' is the program that's being (potentially) overwritten. 819 */ 820 821 for (i = 0; i < WF_NUM_LAYERS; i++) { 822 if (header->hdr.pr.layer[i].mute) { 823 dev->patch_status[header->hdr.pr.layer[i].patch_number] |= 824 WF_SLOT_USED; 825 826 /* XXX need to mark SLOT_USED for sample used by 827 patch_number, but this means we have to load it. Ick. 828 */ 829 } 830 } 831 832 buf[0] = header->number; 833 munge_buf ((unsigned char *)&header->hdr.pr, &buf[1], WF_PROGRAM_BYTES); 834 835 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PROGRAM, NULL, buf)) { 836 snd_printk ("download patch failed\n"); 837 return -EIO; 838 } 839 840 return (0); 841 } 842 843 static int 844 wavefront_freemem (snd_wavefront_t *dev) 845 846 { 847 char rbuf[8]; 848 849 if (snd_wavefront_cmd (dev, WFC_REPORT_FREE_MEMORY, rbuf, NULL)) { 850 snd_printk ("can't get memory stats.\n"); 851 return -1; 852 } else { 853 return demunge_int32 (rbuf, 4); 854 } 855 } 856 857 static int 858 wavefront_send_sample (snd_wavefront_t *dev, 859 wavefront_patch_info *header, 860 u16 __user *dataptr, 861 int data_is_unsigned) 862 863 { 864 /* samples are downloaded via a 16-bit wide i/o port 865 (you could think of it as 2 adjacent 8-bit wide ports 866 but its less efficient that way). therefore, all 867 the blocksizes and so forth listed in the documentation, 868 and used conventionally to refer to sample sizes, 869 which are given in 8-bit units (bytes), need to be 870 divided by 2. 871 */ 872 873 u16 sample_short = 0; 874 u32 length; 875 u16 __user *data_end = NULL; 876 unsigned int i; 877 const unsigned int max_blksize = 4096/2; 878 unsigned int written; 879 unsigned int blocksize; 880 int dma_ack; 881 int blocknum; 882 unsigned char sample_hdr[WF_SAMPLE_HDR_BYTES]; 883 unsigned char *shptr; 884 int skip = 0; 885 int initial_skip = 0; 886 887 DPRINT (WF_DEBUG_LOAD_PATCH, "sample %sdownload for slot %d, " 888 "type %d, %d bytes from 0x%lx\n", 889 header->size ? "" : "header ", 890 header->number, header->subkey, 891 header->size, 892 (unsigned long) header->dataptr); 893 894 if (header->number == WAVEFRONT_FIND_FREE_SAMPLE_SLOT) { 895 int x; 896 897 if ((x = wavefront_find_free_sample (dev)) < 0) { 898 return -ENOMEM; 899 } 900 snd_printk ("unspecified sample => %d\n", x); 901 header->number = x; 902 } 903 904 if (header->number >= WF_MAX_SAMPLE) 905 return -EINVAL; 906 907 if (header->size) { 908 909 /* XXX it's a debatable point whether or not RDONLY semantics 910 on the ROM samples should cover just the sample data or 911 the sample header. For now, it only covers the sample data, 912 so anyone is free at all times to rewrite sample headers. 913 914 My reason for this is that we have the sample headers 915 available in the WFB file for General MIDI, and so these 916 can always be reset if needed. The sample data, however, 917 cannot be recovered without a complete reset and firmware 918 reload of the ICS2115, which is a very expensive operation. 919 920 So, doing things this way allows us to honor the notion of 921 "RESETSAMPLES" reasonably cheaply. Note however, that this 922 is done purely at user level: there is no WFB parser in 923 this driver, and so a complete reset (back to General MIDI, 924 or theoretically some other configuration) is the 925 responsibility of the user level library. 926 927 To try to do this in the kernel would be a little 928 crazy: we'd need 158K of kernel space just to hold 929 a copy of the patch/program/sample header data. 930 */ 931 932 if (dev->rom_samples_rdonly) { 933 if (dev->sample_status[header->number] & WF_SLOT_ROM) { 934 snd_printk ("sample slot %d " 935 "write protected\n", 936 header->number); 937 return -EACCES; 938 } 939 } 940 941 wavefront_delete_sample (dev, header->number); 942 } 943 944 if (header->size) { 945 dev->freemem = wavefront_freemem (dev); 946 947 if (dev->freemem < (int)header->size) { 948 snd_printk ("insufficient memory to " 949 "load %d byte sample.\n", 950 header->size); 951 return -ENOMEM; 952 } 953 954 } 955 956 skip = WF_GET_CHANNEL(&header->hdr.s); 957 958 if (skip > 0 && header->hdr.s.SampleResolution != LINEAR_16BIT) { 959 snd_printk ("channel selection only " 960 "possible on 16-bit samples"); 961 return -EINVAL; 962 } 963 964 switch (skip) { 965 case 0: 966 initial_skip = 0; 967 skip = 1; 968 break; 969 case 1: 970 initial_skip = 0; 971 skip = 2; 972 break; 973 case 2: 974 initial_skip = 1; 975 skip = 2; 976 break; 977 case 3: 978 initial_skip = 2; 979 skip = 3; 980 break; 981 case 4: 982 initial_skip = 3; 983 skip = 4; 984 break; 985 case 5: 986 initial_skip = 4; 987 skip = 5; 988 break; 989 case 6: 990 initial_skip = 5; 991 skip = 6; 992 break; 993 } 994 995 DPRINT (WF_DEBUG_LOAD_PATCH, "channel selection: %d => " 996 "initial skip = %d, skip = %d\n", 997 WF_GET_CHANNEL (&header->hdr.s), 998 initial_skip, skip); 999 1000 /* Be safe, and zero the "Unused" bits ... */ 1001 1002 WF_SET_CHANNEL(&header->hdr.s, 0); 1003 1004 /* adjust size for 16 bit samples by dividing by two. We always 1005 send 16 bits per write, even for 8 bit samples, so the length 1006 is always half the size of the sample data in bytes. 1007 */ 1008 1009 length = header->size / 2; 1010 1011 /* the data we're sent has not been munged, and in fact, the 1012 header we have to send isn't just a munged copy either. 1013 so, build the sample header right here. 1014 */ 1015 1016 shptr = &sample_hdr[0]; 1017 1018 shptr = munge_int32 (header->number, shptr, 2); 1019 1020 if (header->size) { 1021 shptr = munge_int32 (length, shptr, 4); 1022 } 1023 1024 /* Yes, a 4 byte result doesn't contain all of the offset bits, 1025 but the offset only uses 24 bits. 1026 */ 1027 1028 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleStartOffset), 1029 shptr, 4); 1030 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopStartOffset), 1031 shptr, 4); 1032 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopEndOffset), 1033 shptr, 4); 1034 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleEndOffset), 1035 shptr, 4); 1036 1037 /* This one is truly weird. What kind of weirdo decided that in 1038 a system dominated by 16 and 32 bit integers, they would use 1039 a just 12 bits ? 1040 */ 1041 1042 shptr = munge_int32 (header->hdr.s.FrequencyBias, shptr, 3); 1043 1044 /* Why is this nybblified, when the MSB is *always* zero ? 1045 Anyway, we can't take address of bitfield, so make a 1046 good-faith guess at where it starts. 1047 */ 1048 1049 shptr = munge_int32 (*(&header->hdr.s.FrequencyBias+1), 1050 shptr, 2); 1051 1052 if (snd_wavefront_cmd (dev, 1053 header->size ? 1054 WFC_DOWNLOAD_SAMPLE : WFC_DOWNLOAD_SAMPLE_HEADER, 1055 NULL, sample_hdr)) { 1056 snd_printk ("sample %sdownload refused.\n", 1057 header->size ? "" : "header "); 1058 return -EIO; 1059 } 1060 1061 if (header->size == 0) { 1062 goto sent; /* Sorry. Just had to have one somewhere */ 1063 } 1064 1065 data_end = dataptr + length; 1066 1067 /* Do any initial skip over an unused channel's data */ 1068 1069 dataptr += initial_skip; 1070 1071 for (written = 0, blocknum = 0; 1072 written < length; written += max_blksize, blocknum++) { 1073 1074 if ((length - written) > max_blksize) { 1075 blocksize = max_blksize; 1076 } else { 1077 /* round to nearest 16-byte value */ 1078 blocksize = ALIGN(length - written, 8); 1079 } 1080 1081 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_BLOCK, NULL, NULL)) { 1082 snd_printk ("download block " 1083 "request refused.\n"); 1084 return -EIO; 1085 } 1086 1087 for (i = 0; i < blocksize; i++) { 1088 1089 if (dataptr < data_end) { 1090 1091 __get_user (sample_short, dataptr); 1092 dataptr += skip; 1093 1094 if (data_is_unsigned) { /* GUS ? */ 1095 1096 if (WF_SAMPLE_IS_8BIT(&header->hdr.s)) { 1097 1098 /* 8 bit sample 1099 resolution, sign 1100 extend both bytes. 1101 */ 1102 1103 ((unsigned char*) 1104 &sample_short)[0] += 0x7f; 1105 ((unsigned char*) 1106 &sample_short)[1] += 0x7f; 1107 1108 } else { 1109 1110 /* 16 bit sample 1111 resolution, sign 1112 extend the MSB. 1113 */ 1114 1115 sample_short += 0x7fff; 1116 } 1117 } 1118 1119 } else { 1120 1121 /* In padding section of final block: 1122 1123 Don't fetch unsupplied data from 1124 user space, just continue with 1125 whatever the final value was. 1126 */ 1127 } 1128 1129 if (i < blocksize - 1) { 1130 outw (sample_short, dev->block_port); 1131 } else { 1132 outw (sample_short, dev->last_block_port); 1133 } 1134 } 1135 1136 /* Get "DMA page acknowledge", even though its really 1137 nothing to do with DMA at all. 1138 */ 1139 1140 if ((dma_ack = wavefront_read (dev)) != WF_DMA_ACK) { 1141 if (dma_ack == -1) { 1142 snd_printk ("upload sample " 1143 "DMA ack timeout\n"); 1144 return -EIO; 1145 } else { 1146 snd_printk ("upload sample " 1147 "DMA ack error 0x%x\n", 1148 dma_ack); 1149 return -EIO; 1150 } 1151 } 1152 } 1153 1154 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_SAMPLE); 1155 1156 /* Note, label is here because sending the sample header shouldn't 1157 alter the sample_status info at all. 1158 */ 1159 1160 sent: 1161 return (0); 1162 } 1163 1164 static int 1165 wavefront_send_alias (snd_wavefront_t *dev, wavefront_patch_info *header) 1166 1167 { 1168 unsigned char alias_hdr[WF_ALIAS_BYTES]; 1169 1170 DPRINT (WF_DEBUG_LOAD_PATCH, "download alias, %d is " 1171 "alias for %d\n", 1172 header->number, 1173 header->hdr.a.OriginalSample); 1174 1175 if (header->number >= WF_MAX_SAMPLE) 1176 return -EINVAL; 1177 1178 munge_int32 (header->number, &alias_hdr[0], 2); 1179 munge_int32 (header->hdr.a.OriginalSample, &alias_hdr[2], 2); 1180 munge_int32 (*((unsigned int *)&header->hdr.a.sampleStartOffset), 1181 &alias_hdr[4], 4); 1182 munge_int32 (*((unsigned int *)&header->hdr.a.loopStartOffset), 1183 &alias_hdr[8], 4); 1184 munge_int32 (*((unsigned int *)&header->hdr.a.loopEndOffset), 1185 &alias_hdr[12], 4); 1186 munge_int32 (*((unsigned int *)&header->hdr.a.sampleEndOffset), 1187 &alias_hdr[16], 4); 1188 munge_int32 (header->hdr.a.FrequencyBias, &alias_hdr[20], 3); 1189 munge_int32 (*(&header->hdr.a.FrequencyBias+1), &alias_hdr[23], 2); 1190 1191 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_SAMPLE_ALIAS, NULL, alias_hdr)) { 1192 snd_printk ("download alias failed.\n"); 1193 return -EIO; 1194 } 1195 1196 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_ALIAS); 1197 1198 return (0); 1199 } 1200 1201 static int 1202 wavefront_send_multisample (snd_wavefront_t *dev, wavefront_patch_info *header) 1203 { 1204 int i; 1205 int num_samples; 1206 unsigned char *msample_hdr; 1207 1208 if (header->number >= WF_MAX_SAMPLE) 1209 return -EINVAL; 1210 1211 msample_hdr = kmalloc(WF_MSAMPLE_BYTES, GFP_KERNEL); 1212 if (! msample_hdr) 1213 return -ENOMEM; 1214 1215 munge_int32 (header->number, &msample_hdr[0], 2); 1216 1217 /* You'll recall at this point that the "number of samples" value 1218 in a wavefront_multisample struct is actually the log2 of the 1219 real number of samples. 1220 */ 1221 1222 num_samples = (1<<(header->hdr.ms.NumberOfSamples&7)); 1223 msample_hdr[2] = (unsigned char) header->hdr.ms.NumberOfSamples; 1224 1225 DPRINT (WF_DEBUG_LOAD_PATCH, "multi %d with %d=%d samples\n", 1226 header->number, 1227 header->hdr.ms.NumberOfSamples, 1228 num_samples); 1229 1230 for (i = 0; i < num_samples; i++) { 1231 DPRINT(WF_DEBUG_LOAD_PATCH|WF_DEBUG_DATA, "sample[%d] = %d\n", 1232 i, header->hdr.ms.SampleNumber[i]); 1233 munge_int32 (header->hdr.ms.SampleNumber[i], 1234 &msample_hdr[3+(i*2)], 2); 1235 } 1236 1237 /* Need a hack here to pass in the number of bytes 1238 to be written to the synth. This is ugly, and perhaps 1239 one day, I'll fix it. 1240 */ 1241 1242 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_MULTISAMPLE, 1243 (unsigned char *) (long) ((num_samples*2)+3), 1244 msample_hdr)) { 1245 snd_printk ("download of multisample failed.\n"); 1246 kfree(msample_hdr); 1247 return -EIO; 1248 } 1249 1250 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_MULTISAMPLE); 1251 1252 kfree(msample_hdr); 1253 return (0); 1254 } 1255 1256 static int 1257 wavefront_fetch_multisample (snd_wavefront_t *dev, 1258 wavefront_patch_info *header) 1259 { 1260 int i; 1261 unsigned char log_ns[1]; 1262 unsigned char number[2]; 1263 int num_samples; 1264 1265 munge_int32 (header->number, number, 2); 1266 1267 if (snd_wavefront_cmd (dev, WFC_UPLOAD_MULTISAMPLE, log_ns, number)) { 1268 snd_printk ("upload multisample failed.\n"); 1269 return -EIO; 1270 } 1271 1272 DPRINT (WF_DEBUG_DATA, "msample %d has %d samples\n", 1273 header->number, log_ns[0]); 1274 1275 header->hdr.ms.NumberOfSamples = log_ns[0]; 1276 1277 /* get the number of samples ... */ 1278 1279 num_samples = (1 << log_ns[0]); 1280 1281 for (i = 0; i < num_samples; i++) { 1282 char d[2]; 1283 int val; 1284 1285 if ((val = wavefront_read (dev)) == -1) { 1286 snd_printk ("upload multisample failed " 1287 "during sample loop.\n"); 1288 return -EIO; 1289 } 1290 d[0] = val; 1291 1292 if ((val = wavefront_read (dev)) == -1) { 1293 snd_printk ("upload multisample failed " 1294 "during sample loop.\n"); 1295 return -EIO; 1296 } 1297 d[1] = val; 1298 1299 header->hdr.ms.SampleNumber[i] = 1300 demunge_int32 ((unsigned char *) d, 2); 1301 1302 DPRINT (WF_DEBUG_DATA, "msample sample[%d] = %d\n", 1303 i, header->hdr.ms.SampleNumber[i]); 1304 } 1305 1306 return (0); 1307 } 1308 1309 1310 static int 1311 wavefront_send_drum (snd_wavefront_t *dev, wavefront_patch_info *header) 1312 1313 { 1314 unsigned char drumbuf[WF_DRUM_BYTES]; 1315 wavefront_drum *drum = &header->hdr.d; 1316 int i; 1317 1318 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading edrum for MIDI " 1319 "note %d, patch = %d\n", 1320 header->number, drum->PatchNumber); 1321 1322 drumbuf[0] = header->number & 0x7f; 1323 1324 for (i = 0; i < 4; i++) { 1325 munge_int32 (((unsigned char *)drum)[i], &drumbuf[1+(i*2)], 2); 1326 } 1327 1328 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_EDRUM_PROGRAM, NULL, drumbuf)) { 1329 snd_printk ("download drum failed.\n"); 1330 return -EIO; 1331 } 1332 1333 return (0); 1334 } 1335 1336 static int 1337 wavefront_find_free_sample (snd_wavefront_t *dev) 1338 1339 { 1340 int i; 1341 1342 for (i = 0; i < WF_MAX_SAMPLE; i++) { 1343 if (!(dev->sample_status[i] & WF_SLOT_FILLED)) { 1344 return i; 1345 } 1346 } 1347 snd_printk ("no free sample slots!\n"); 1348 return -1; 1349 } 1350 1351 #if 0 1352 static int 1353 wavefront_find_free_patch (snd_wavefront_t *dev) 1354 1355 { 1356 int i; 1357 1358 for (i = 0; i < WF_MAX_PATCH; i++) { 1359 if (!(dev->patch_status[i] & WF_SLOT_FILLED)) { 1360 return i; 1361 } 1362 } 1363 snd_printk ("no free patch slots!\n"); 1364 return -1; 1365 } 1366 #endif 1367 1368 static int 1369 wavefront_load_patch (snd_wavefront_t *dev, const char __user *addr) 1370 { 1371 wavefront_patch_info *header; 1372 int err; 1373 1374 header = kmalloc(sizeof(*header), GFP_KERNEL); 1375 if (! header) 1376 return -ENOMEM; 1377 1378 if (copy_from_user (header, addr, sizeof(wavefront_patch_info) - 1379 sizeof(wavefront_any))) { 1380 snd_printk ("bad address for load patch.\n"); 1381 err = -EFAULT; 1382 goto __error; 1383 } 1384 1385 DPRINT (WF_DEBUG_LOAD_PATCH, "download " 1386 "Sample type: %d " 1387 "Sample number: %d " 1388 "Sample size: %d\n", 1389 header->subkey, 1390 header->number, 1391 header->size); 1392 1393 switch (header->subkey) { 1394 case WF_ST_SAMPLE: /* sample or sample_header, based on patch->size */ 1395 1396 if (copy_from_user (&header->hdr.s, header->hdrptr, 1397 sizeof (wavefront_sample))) { 1398 err = -EFAULT; 1399 break; 1400 } 1401 1402 err = wavefront_send_sample (dev, header, header->dataptr, 0); 1403 break; 1404 1405 case WF_ST_MULTISAMPLE: 1406 1407 if (copy_from_user (&header->hdr.s, header->hdrptr, 1408 sizeof (wavefront_multisample))) { 1409 err = -EFAULT; 1410 break; 1411 } 1412 1413 err = wavefront_send_multisample (dev, header); 1414 break; 1415 1416 case WF_ST_ALIAS: 1417 1418 if (copy_from_user (&header->hdr.a, header->hdrptr, 1419 sizeof (wavefront_alias))) { 1420 err = -EFAULT; 1421 break; 1422 } 1423 1424 err = wavefront_send_alias (dev, header); 1425 break; 1426 1427 case WF_ST_DRUM: 1428 if (copy_from_user (&header->hdr.d, header->hdrptr, 1429 sizeof (wavefront_drum))) { 1430 err = -EFAULT; 1431 break; 1432 } 1433 1434 err = wavefront_send_drum (dev, header); 1435 break; 1436 1437 case WF_ST_PATCH: 1438 if (copy_from_user (&header->hdr.p, header->hdrptr, 1439 sizeof (wavefront_patch))) { 1440 err = -EFAULT; 1441 break; 1442 } 1443 1444 err = wavefront_send_patch (dev, header); 1445 break; 1446 1447 case WF_ST_PROGRAM: 1448 if (copy_from_user (&header->hdr.pr, header->hdrptr, 1449 sizeof (wavefront_program))) { 1450 err = -EFAULT; 1451 break; 1452 } 1453 1454 err = wavefront_send_program (dev, header); 1455 break; 1456 1457 default: 1458 snd_printk ("unknown patch type %d.\n", 1459 header->subkey); 1460 err = -EINVAL; 1461 break; 1462 } 1463 1464 __error: 1465 kfree(header); 1466 return err; 1467 } 1468 1469 /*********************************************************************** 1470 WaveFront: hardware-dependent interface 1471 ***********************************************************************/ 1472 1473 static void 1474 process_sample_hdr (u8 *buf) 1475 1476 { 1477 wavefront_sample s; 1478 u8 *ptr; 1479 1480 ptr = buf; 1481 1482 /* The board doesn't send us an exact copy of a "wavefront_sample" 1483 in response to an Upload Sample Header command. Instead, we 1484 have to convert the data format back into our data structure, 1485 just as in the Download Sample command, where we have to do 1486 something very similar in the reverse direction. 1487 */ 1488 1489 *((u32 *) &s.sampleStartOffset) = demunge_int32 (ptr, 4); ptr += 4; 1490 *((u32 *) &s.loopStartOffset) = demunge_int32 (ptr, 4); ptr += 4; 1491 *((u32 *) &s.loopEndOffset) = demunge_int32 (ptr, 4); ptr += 4; 1492 *((u32 *) &s.sampleEndOffset) = demunge_int32 (ptr, 4); ptr += 4; 1493 *((u32 *) &s.FrequencyBias) = demunge_int32 (ptr, 3); ptr += 3; 1494 1495 s.SampleResolution = *ptr & 0x3; 1496 s.Loop = *ptr & 0x8; 1497 s.Bidirectional = *ptr & 0x10; 1498 s.Reverse = *ptr & 0x40; 1499 1500 /* Now copy it back to where it came from */ 1501 1502 memcpy (buf, (unsigned char *) &s, sizeof (wavefront_sample)); 1503 } 1504 1505 static int 1506 wavefront_synth_control (snd_wavefront_card_t *acard, 1507 wavefront_control *wc) 1508 1509 { 1510 snd_wavefront_t *dev = &acard->wavefront; 1511 unsigned char patchnumbuf[2]; 1512 int i; 1513 1514 DPRINT (WF_DEBUG_CMD, "synth control with " 1515 "cmd 0x%x\n", wc->cmd); 1516 1517 /* Pre-handling of or for various commands */ 1518 1519 switch (wc->cmd) { 1520 1521 case WFC_DISABLE_INTERRUPTS: 1522 snd_printk ("interrupts disabled.\n"); 1523 outb (0x80|0x20, dev->control_port); 1524 dev->interrupts_are_midi = 1; 1525 return 0; 1526 1527 case WFC_ENABLE_INTERRUPTS: 1528 snd_printk ("interrupts enabled.\n"); 1529 outb (0x80|0x40|0x20, dev->control_port); 1530 dev->interrupts_are_midi = 1; 1531 return 0; 1532 1533 case WFC_INTERRUPT_STATUS: 1534 wc->rbuf[0] = dev->interrupts_are_midi; 1535 return 0; 1536 1537 case WFC_ROMSAMPLES_RDONLY: 1538 dev->rom_samples_rdonly = wc->wbuf[0]; 1539 wc->status = 0; 1540 return 0; 1541 1542 case WFC_IDENTIFY_SLOT_TYPE: 1543 i = wc->wbuf[0] | (wc->wbuf[1] << 7); 1544 if (i <0 || i >= WF_MAX_SAMPLE) { 1545 snd_printk ("invalid slot ID %d\n", 1546 i); 1547 wc->status = EINVAL; 1548 return -EINVAL; 1549 } 1550 wc->rbuf[0] = dev->sample_status[i]; 1551 wc->status = 0; 1552 return 0; 1553 1554 case WFC_DEBUG_DRIVER: 1555 dev->debug = wc->wbuf[0]; 1556 snd_printk ("debug = 0x%x\n", dev->debug); 1557 return 0; 1558 1559 case WFC_UPLOAD_PATCH: 1560 munge_int32 (*((u32 *) wc->wbuf), patchnumbuf, 2); 1561 memcpy (wc->wbuf, patchnumbuf, 2); 1562 break; 1563 1564 case WFC_UPLOAD_MULTISAMPLE: 1565 /* multisamples have to be handled differently, and 1566 cannot be dealt with properly by snd_wavefront_cmd() alone. 1567 */ 1568 wc->status = wavefront_fetch_multisample 1569 (dev, (wavefront_patch_info *) wc->rbuf); 1570 return 0; 1571 1572 case WFC_UPLOAD_SAMPLE_ALIAS: 1573 snd_printk ("support for sample alias upload " 1574 "being considered.\n"); 1575 wc->status = EINVAL; 1576 return -EINVAL; 1577 } 1578 1579 wc->status = snd_wavefront_cmd (dev, wc->cmd, wc->rbuf, wc->wbuf); 1580 1581 /* Post-handling of certain commands. 1582 1583 In particular, if the command was an upload, demunge the data 1584 so that the user-level doesn't have to think about it. 1585 */ 1586 1587 if (wc->status == 0) { 1588 switch (wc->cmd) { 1589 /* intercept any freemem requests so that we know 1590 we are always current with the user-level view 1591 of things. 1592 */ 1593 1594 case WFC_REPORT_FREE_MEMORY: 1595 dev->freemem = demunge_int32 (wc->rbuf, 4); 1596 break; 1597 1598 case WFC_UPLOAD_PATCH: 1599 demunge_buf (wc->rbuf, wc->rbuf, WF_PATCH_BYTES); 1600 break; 1601 1602 case WFC_UPLOAD_PROGRAM: 1603 demunge_buf (wc->rbuf, wc->rbuf, WF_PROGRAM_BYTES); 1604 break; 1605 1606 case WFC_UPLOAD_EDRUM_PROGRAM: 1607 demunge_buf (wc->rbuf, wc->rbuf, WF_DRUM_BYTES - 1); 1608 break; 1609 1610 case WFC_UPLOAD_SAMPLE_HEADER: 1611 process_sample_hdr (wc->rbuf); 1612 break; 1613 1614 case WFC_UPLOAD_SAMPLE_ALIAS: 1615 snd_printk ("support for " 1616 "sample aliases still " 1617 "being considered.\n"); 1618 break; 1619 1620 case WFC_VMIDI_OFF: 1621 snd_wavefront_midi_disable_virtual (acard); 1622 break; 1623 1624 case WFC_VMIDI_ON: 1625 snd_wavefront_midi_enable_virtual (acard); 1626 break; 1627 } 1628 } 1629 1630 return 0; 1631 } 1632 1633 int 1634 snd_wavefront_synth_open (struct snd_hwdep *hw, struct file *file) 1635 1636 { 1637 if (!try_module_get(hw->card->module)) 1638 return -EFAULT; 1639 file->private_data = hw; 1640 return 0; 1641 } 1642 1643 int 1644 snd_wavefront_synth_release (struct snd_hwdep *hw, struct file *file) 1645 1646 { 1647 module_put(hw->card->module); 1648 return 0; 1649 } 1650 1651 int 1652 snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file, 1653 unsigned int cmd, unsigned long arg) 1654 1655 { 1656 struct snd_card *card; 1657 snd_wavefront_t *dev; 1658 snd_wavefront_card_t *acard; 1659 wavefront_control *wc; 1660 void __user *argp = (void __user *)arg; 1661 int err; 1662 1663 card = (struct snd_card *) hw->card; 1664 1665 if (snd_BUG_ON(!card)) 1666 return -ENODEV; 1667 if (snd_BUG_ON(!card->private_data)) 1668 return -ENODEV; 1669 1670 acard = card->private_data; 1671 dev = &acard->wavefront; 1672 1673 switch (cmd) { 1674 case WFCTL_LOAD_SPP: 1675 if (wavefront_load_patch (dev, argp) != 0) { 1676 return -EIO; 1677 } 1678 break; 1679 1680 case WFCTL_WFCMD: 1681 wc = memdup_user(argp, sizeof(*wc)); 1682 if (IS_ERR(wc)) 1683 return PTR_ERR(wc); 1684 1685 if (wavefront_synth_control (acard, wc) < 0) 1686 err = -EIO; 1687 else if (copy_to_user (argp, wc, sizeof (*wc))) 1688 err = -EFAULT; 1689 else 1690 err = 0; 1691 kfree(wc); 1692 return err; 1693 1694 default: 1695 return -EINVAL; 1696 } 1697 1698 return 0; 1699 } 1700 1701 1702 /***********************************************************************/ 1703 /* WaveFront: interface for card-level wavefront module */ 1704 /***********************************************************************/ 1705 1706 void 1707 snd_wavefront_internal_interrupt (snd_wavefront_card_t *card) 1708 { 1709 snd_wavefront_t *dev = &card->wavefront; 1710 1711 /* 1712 Some comments on interrupts. I attempted a version of this 1713 driver that used interrupts throughout the code instead of 1714 doing busy and/or sleep-waiting. Alas, it appears that once 1715 the Motorola firmware is downloaded, the card *never* 1716 generates an RX interrupt. These are successfully generated 1717 during firmware loading, and after that wavefront_status() 1718 reports that an interrupt is pending on the card from time 1719 to time, but it never seems to be delivered to this 1720 driver. Note also that wavefront_status() continues to 1721 report that RX interrupts are enabled, suggesting that I 1722 didn't goof up and disable them by mistake. 1723 1724 Thus, I stepped back to a prior version of 1725 wavefront_wait(), the only place where this really 1726 matters. Its sad, but I've looked through the code to check 1727 on things, and I really feel certain that the Motorola 1728 firmware prevents RX-ready interrupts. 1729 */ 1730 1731 if ((wavefront_status(dev) & (STAT_INTR_READ|STAT_INTR_WRITE)) == 0) { 1732 return; 1733 } 1734 1735 spin_lock(&dev->irq_lock); 1736 dev->irq_ok = 1; 1737 dev->irq_cnt++; 1738 spin_unlock(&dev->irq_lock); 1739 wake_up(&dev->interrupt_sleeper); 1740 } 1741 1742 /* STATUS REGISTER 1743 1744 0 Host Rx Interrupt Enable (1=Enabled) 1745 1 Host Rx Register Full (1=Full) 1746 2 Host Rx Interrupt Pending (1=Interrupt) 1747 3 Unused 1748 4 Host Tx Interrupt (1=Enabled) 1749 5 Host Tx Register empty (1=Empty) 1750 6 Host Tx Interrupt Pending (1=Interrupt) 1751 7 Unused 1752 */ 1753 1754 static int 1755 snd_wavefront_interrupt_bits (int irq) 1756 1757 { 1758 int bits; 1759 1760 switch (irq) { 1761 case 9: 1762 bits = 0x00; 1763 break; 1764 case 5: 1765 bits = 0x08; 1766 break; 1767 case 12: 1768 bits = 0x10; 1769 break; 1770 case 15: 1771 bits = 0x18; 1772 break; 1773 1774 default: 1775 snd_printk ("invalid IRQ %d\n", irq); 1776 bits = -1; 1777 } 1778 1779 return bits; 1780 } 1781 1782 static void 1783 wavefront_should_cause_interrupt (snd_wavefront_t *dev, 1784 int val, int port, unsigned long timeout) 1785 1786 { 1787 wait_queue_entry_t wait; 1788 1789 init_waitqueue_entry(&wait, current); 1790 spin_lock_irq(&dev->irq_lock); 1791 add_wait_queue(&dev->interrupt_sleeper, &wait); 1792 dev->irq_ok = 0; 1793 outb (val,port); 1794 spin_unlock_irq(&dev->irq_lock); 1795 while (!dev->irq_ok && time_before(jiffies, timeout)) { 1796 schedule_timeout_uninterruptible(1); 1797 barrier(); 1798 } 1799 } 1800 1801 static int 1802 wavefront_reset_to_cleanliness (snd_wavefront_t *dev) 1803 1804 { 1805 int bits; 1806 int hwv[2]; 1807 1808 /* IRQ already checked */ 1809 1810 bits = snd_wavefront_interrupt_bits (dev->irq); 1811 1812 /* try reset of port */ 1813 1814 outb (0x0, dev->control_port); 1815 1816 /* At this point, the board is in reset, and the H/W initialization 1817 register is accessed at the same address as the data port. 1818 1819 Bit 7 - Enable IRQ Driver 1820 0 - Tri-state the Wave-Board drivers for the PC Bus IRQs 1821 1 - Enable IRQ selected by bits 5:3 to be driven onto the PC Bus. 1822 1823 Bit 6 - MIDI Interface Select 1824 1825 0 - Use the MIDI Input from the 26-pin WaveBlaster 1826 compatible header as the serial MIDI source 1827 1 - Use the MIDI Input from the 9-pin D connector as the 1828 serial MIDI source. 1829 1830 Bits 5:3 - IRQ Selection 1831 0 0 0 - IRQ 2/9 1832 0 0 1 - IRQ 5 1833 0 1 0 - IRQ 12 1834 0 1 1 - IRQ 15 1835 1 0 0 - Reserved 1836 1 0 1 - Reserved 1837 1 1 0 - Reserved 1838 1 1 1 - Reserved 1839 1840 Bits 2:1 - Reserved 1841 Bit 0 - Disable Boot ROM 1842 0 - memory accesses to 03FC30-03FFFFH utilize the internal Boot ROM 1843 1 - memory accesses to 03FC30-03FFFFH are directed to external 1844 storage. 1845 1846 */ 1847 1848 /* configure hardware: IRQ, enable interrupts, 1849 plus external 9-pin MIDI interface selected 1850 */ 1851 1852 outb (0x80 | 0x40 | bits, dev->data_port); 1853 1854 /* CONTROL REGISTER 1855 1856 0 Host Rx Interrupt Enable (1=Enabled) 0x1 1857 1 Unused 0x2 1858 2 Unused 0x4 1859 3 Unused 0x8 1860 4 Host Tx Interrupt Enable 0x10 1861 5 Mute (0=Mute; 1=Play) 0x20 1862 6 Master Interrupt Enable (1=Enabled) 0x40 1863 7 Master Reset (0=Reset; 1=Run) 0x80 1864 1865 Take us out of reset, mute output, master + TX + RX interrupts on. 1866 1867 We'll get an interrupt presumably to tell us that the TX 1868 register is clear. 1869 */ 1870 1871 wavefront_should_cause_interrupt(dev, 0x80|0x40|0x10|0x1, 1872 dev->control_port, 1873 (reset_time*HZ)/100); 1874 1875 /* Note: data port is now the data port, not the h/w initialization 1876 port. 1877 */ 1878 1879 if (!dev->irq_ok) { 1880 snd_printk ("intr not received after h/w un-reset.\n"); 1881 goto gone_bad; 1882 } 1883 1884 /* Note: data port is now the data port, not the h/w initialization 1885 port. 1886 1887 At this point, only "HW VERSION" or "DOWNLOAD OS" commands 1888 will work. So, issue one of them, and wait for TX 1889 interrupt. This can take a *long* time after a cold boot, 1890 while the ISC ROM does its RAM test. The SDK says up to 4 1891 seconds - with 12MB of RAM on a Tropez+, it takes a lot 1892 longer than that (~16secs). Note that the card understands 1893 the difference between a warm and a cold boot, so 1894 subsequent ISC2115 reboots (say, caused by module 1895 reloading) will get through this much faster. 1896 1897 XXX Interesting question: why is no RX interrupt received first ? 1898 */ 1899 1900 wavefront_should_cause_interrupt(dev, WFC_HARDWARE_VERSION, 1901 dev->data_port, ramcheck_time*HZ); 1902 1903 if (!dev->irq_ok) { 1904 snd_printk ("post-RAM-check interrupt not received.\n"); 1905 goto gone_bad; 1906 } 1907 1908 if (!wavefront_wait (dev, STAT_CAN_READ)) { 1909 snd_printk ("no response to HW version cmd.\n"); 1910 goto gone_bad; 1911 } 1912 1913 if ((hwv[0] = wavefront_read (dev)) == -1) { 1914 snd_printk ("board not responding correctly.\n"); 1915 goto gone_bad; 1916 } 1917 1918 if (hwv[0] == 0xFF) { /* NAK */ 1919 1920 /* Board's RAM test failed. Try to read error code, 1921 and tell us about it either way. 1922 */ 1923 1924 if ((hwv[0] = wavefront_read (dev)) == -1) { 1925 snd_printk ("on-board RAM test failed " 1926 "(bad error code).\n"); 1927 } else { 1928 snd_printk ("on-board RAM test failed " 1929 "(error code: 0x%x).\n", 1930 hwv[0]); 1931 } 1932 goto gone_bad; 1933 } 1934 1935 /* We're OK, just get the next byte of the HW version response */ 1936 1937 if ((hwv[1] = wavefront_read (dev)) == -1) { 1938 snd_printk ("incorrect h/w response.\n"); 1939 goto gone_bad; 1940 } 1941 1942 snd_printk ("hardware version %d.%d\n", 1943 hwv[0], hwv[1]); 1944 1945 return 0; 1946 1947 1948 gone_bad: 1949 return (1); 1950 } 1951 1952 static int 1953 wavefront_download_firmware (snd_wavefront_t *dev, char *path) 1954 1955 { 1956 const unsigned char *buf; 1957 int len, err; 1958 int section_cnt_downloaded = 0; 1959 const struct firmware *firmware; 1960 1961 err = request_firmware(&firmware, path, dev->card->dev); 1962 if (err < 0) { 1963 snd_printk(KERN_ERR "firmware (%s) download failed!!!\n", path); 1964 return 1; 1965 } 1966 1967 len = 0; 1968 buf = firmware->data; 1969 for (;;) { 1970 int section_length = *(signed char *)buf; 1971 if (section_length == 0) 1972 break; 1973 if (section_length < 0 || section_length > WF_SECTION_MAX) { 1974 snd_printk(KERN_ERR 1975 "invalid firmware section length %d\n", 1976 section_length); 1977 goto failure; 1978 } 1979 buf++; 1980 len++; 1981 1982 if (firmware->size < len + section_length) { 1983 snd_printk(KERN_ERR "firmware section read error.\n"); 1984 goto failure; 1985 } 1986 1987 /* Send command */ 1988 if (wavefront_write(dev, WFC_DOWNLOAD_OS)) 1989 goto failure; 1990 1991 for (; section_length; section_length--) { 1992 if (wavefront_write(dev, *buf)) 1993 goto failure; 1994 buf++; 1995 len++; 1996 } 1997 1998 /* get ACK */ 1999 if (!wavefront_wait(dev, STAT_CAN_READ)) { 2000 snd_printk(KERN_ERR "time out for firmware ACK.\n"); 2001 goto failure; 2002 } 2003 err = inb(dev->data_port); 2004 if (err != WF_ACK) { 2005 snd_printk(KERN_ERR 2006 "download of section #%d not " 2007 "acknowledged, ack = 0x%x\n", 2008 section_cnt_downloaded + 1, err); 2009 goto failure; 2010 } 2011 2012 section_cnt_downloaded++; 2013 } 2014 2015 release_firmware(firmware); 2016 return 0; 2017 2018 failure: 2019 release_firmware(firmware); 2020 snd_printk(KERN_ERR "firmware download failed!!!\n"); 2021 return 1; 2022 } 2023 2024 2025 static int 2026 wavefront_do_reset (snd_wavefront_t *dev) 2027 2028 { 2029 char voices[1]; 2030 2031 if (wavefront_reset_to_cleanliness (dev)) { 2032 snd_printk ("hw reset failed.\n"); 2033 goto gone_bad; 2034 } 2035 2036 if (dev->israw) { 2037 if (wavefront_download_firmware (dev, ospath)) { 2038 goto gone_bad; 2039 } 2040 2041 dev->israw = 0; 2042 2043 /* Wait for the OS to get running. The protocol for 2044 this is non-obvious, and was determined by 2045 using port-IO tracing in DOSemu and some 2046 experimentation here. 2047 2048 Rather than using timed waits, use interrupts creatively. 2049 */ 2050 2051 wavefront_should_cause_interrupt (dev, WFC_NOOP, 2052 dev->data_port, 2053 (osrun_time*HZ)); 2054 2055 if (!dev->irq_ok) { 2056 snd_printk ("no post-OS interrupt.\n"); 2057 goto gone_bad; 2058 } 2059 2060 /* Now, do it again ! */ 2061 2062 wavefront_should_cause_interrupt (dev, WFC_NOOP, 2063 dev->data_port, (10*HZ)); 2064 2065 if (!dev->irq_ok) { 2066 snd_printk ("no post-OS interrupt(2).\n"); 2067 goto gone_bad; 2068 } 2069 2070 /* OK, no (RX/TX) interrupts any more, but leave mute 2071 in effect. 2072 */ 2073 2074 outb (0x80|0x40, dev->control_port); 2075 } 2076 2077 /* SETUPSND.EXE asks for sample memory config here, but since i 2078 have no idea how to interpret the result, we'll forget 2079 about it. 2080 */ 2081 2082 if ((dev->freemem = wavefront_freemem (dev)) < 0) { 2083 goto gone_bad; 2084 } 2085 2086 snd_printk ("available DRAM %dk\n", dev->freemem / 1024); 2087 2088 if (wavefront_write (dev, 0xf0) || 2089 wavefront_write (dev, 1) || 2090 (wavefront_read (dev) < 0)) { 2091 dev->debug = 0; 2092 snd_printk ("MPU emulation mode not set.\n"); 2093 goto gone_bad; 2094 } 2095 2096 voices[0] = 32; 2097 2098 if (snd_wavefront_cmd (dev, WFC_SET_NVOICES, NULL, voices)) { 2099 snd_printk ("cannot set number of voices to 32.\n"); 2100 goto gone_bad; 2101 } 2102 2103 2104 return 0; 2105 2106 gone_bad: 2107 /* reset that sucker so that it doesn't bother us. */ 2108 2109 outb (0x0, dev->control_port); 2110 dev->interrupts_are_midi = 0; 2111 return 1; 2112 } 2113 2114 int 2115 snd_wavefront_start (snd_wavefront_t *dev) 2116 2117 { 2118 int samples_are_from_rom; 2119 2120 /* IMPORTANT: assumes that snd_wavefront_detect() and/or 2121 wavefront_reset_to_cleanliness() has already been called 2122 */ 2123 2124 if (dev->israw) { 2125 samples_are_from_rom = 1; 2126 } else { 2127 /* XXX is this always true ? */ 2128 samples_are_from_rom = 0; 2129 } 2130 2131 if (dev->israw || fx_raw) { 2132 if (wavefront_do_reset (dev)) { 2133 return -1; 2134 } 2135 } 2136 /* Check for FX device, present only on Tropez+ */ 2137 2138 dev->has_fx = (snd_wavefront_fx_detect (dev) == 0); 2139 2140 if (dev->has_fx && fx_raw) { 2141 snd_wavefront_fx_start (dev); 2142 } 2143 2144 wavefront_get_sample_status (dev, samples_are_from_rom); 2145 wavefront_get_program_status (dev); 2146 wavefront_get_patch_status (dev); 2147 2148 /* Start normal operation: unreset, master interrupt enabled, no mute 2149 */ 2150 2151 outb (0x80|0x40|0x20, dev->control_port); 2152 2153 return (0); 2154 } 2155 2156 int 2157 snd_wavefront_detect (snd_wavefront_card_t *card) 2158 2159 { 2160 unsigned char rbuf[4], wbuf[4]; 2161 snd_wavefront_t *dev = &card->wavefront; 2162 2163 /* returns zero if a WaveFront card is successfully detected. 2164 negative otherwise. 2165 */ 2166 2167 dev->israw = 0; 2168 dev->has_fx = 0; 2169 dev->debug = debug_default; 2170 dev->interrupts_are_midi = 0; 2171 dev->irq_cnt = 0; 2172 dev->rom_samples_rdonly = 1; 2173 2174 if (snd_wavefront_cmd (dev, WFC_FIRMWARE_VERSION, rbuf, wbuf) == 0) { 2175 2176 dev->fw_version[0] = rbuf[0]; 2177 dev->fw_version[1] = rbuf[1]; 2178 2179 snd_printk ("firmware %d.%d already loaded.\n", 2180 rbuf[0], rbuf[1]); 2181 2182 /* check that a command actually works */ 2183 2184 if (snd_wavefront_cmd (dev, WFC_HARDWARE_VERSION, 2185 rbuf, wbuf) == 0) { 2186 dev->hw_version[0] = rbuf[0]; 2187 dev->hw_version[1] = rbuf[1]; 2188 } else { 2189 snd_printk ("not raw, but no " 2190 "hardware version!\n"); 2191 return -1; 2192 } 2193 2194 if (!wf_raw) { 2195 return 0; 2196 } else { 2197 snd_printk ("reloading firmware as you requested.\n"); 2198 dev->israw = 1; 2199 } 2200 2201 } else { 2202 2203 dev->israw = 1; 2204 snd_printk ("no response to firmware probe, assume raw.\n"); 2205 2206 } 2207 2208 return 0; 2209 } 2210 2211 MODULE_FIRMWARE(DEFAULT_OSPATH); 2212