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 wfcmd = wavefront_get_command(cmd); 343 if (!wfcmd) { 344 snd_printk ("command 0x%x not supported.\n", 345 cmd); 346 return 1; 347 } 348 349 /* Hack to handle the one variable-size write command. See 350 wavefront_send_multisample() for the other half of this 351 gross and ugly strategy. 352 */ 353 354 if (cmd == WFC_DOWNLOAD_MULTISAMPLE) { 355 wfcmd->write_cnt = (unsigned long) rbuf; 356 rbuf = NULL; 357 } 358 359 DPRINT (WF_DEBUG_CMD, "0x%x [%s] (%d,%d,%d)\n", 360 cmd, wfcmd->action, wfcmd->read_cnt, 361 wfcmd->write_cnt, wfcmd->need_ack); 362 363 if (wavefront_write (dev, cmd)) { 364 DPRINT ((WF_DEBUG_IO|WF_DEBUG_CMD), "cannot request " 365 "0x%x [%s].\n", 366 cmd, wfcmd->action); 367 return 1; 368 } 369 370 if (wfcmd->write_cnt > 0) { 371 DPRINT (WF_DEBUG_DATA, "writing %d bytes " 372 "for 0x%x\n", 373 wfcmd->write_cnt, cmd); 374 375 for (i = 0; i < wfcmd->write_cnt; i++) { 376 if (wavefront_write (dev, wbuf[i])) { 377 DPRINT (WF_DEBUG_IO, "bad write for byte " 378 "%d of 0x%x [%s].\n", 379 i, cmd, wfcmd->action); 380 return 1; 381 } 382 383 DPRINT (WF_DEBUG_DATA, "write[%d] = 0x%x\n", 384 i, wbuf[i]); 385 } 386 } 387 388 if (wfcmd->read_cnt > 0) { 389 DPRINT (WF_DEBUG_DATA, "reading %d ints " 390 "for 0x%x\n", 391 wfcmd->read_cnt, cmd); 392 393 for (i = 0; i < wfcmd->read_cnt; i++) { 394 395 c = wavefront_read(dev); 396 if (c == -1) { 397 DPRINT (WF_DEBUG_IO, "bad read for byte " 398 "%d of 0x%x [%s].\n", 399 i, cmd, wfcmd->action); 400 return 1; 401 } 402 403 /* Now handle errors. Lots of special cases here */ 404 405 if (c == 0xff) { 406 c = wavefront_read(dev); 407 if (c == -1) { 408 DPRINT (WF_DEBUG_IO, "bad read for " 409 "error byte at " 410 "read byte %d " 411 "of 0x%x [%s].\n", 412 i, cmd, 413 wfcmd->action); 414 return 1; 415 } 416 417 /* Can you believe this madness ? */ 418 419 if (c == 1 && 420 wfcmd->cmd == WFC_IDENTIFY_SAMPLE_TYPE) { 421 rbuf[0] = WF_ST_EMPTY; 422 return (0); 423 424 } else if (c == 3 && 425 wfcmd->cmd == WFC_UPLOAD_PATCH) { 426 427 return 3; 428 429 } else if (c == 1 && 430 wfcmd->cmd == WFC_UPLOAD_PROGRAM) { 431 432 return 1; 433 434 } else { 435 436 DPRINT (WF_DEBUG_IO, "error %d (%s) " 437 "during " 438 "read for byte " 439 "%d of 0x%x " 440 "[%s].\n", 441 c, 442 wavefront_errorstr (c), 443 i, cmd, 444 wfcmd->action); 445 return 1; 446 447 } 448 449 } else { 450 rbuf[i] = c; 451 } 452 453 DPRINT (WF_DEBUG_DATA, "read[%d] = 0x%x\n",i, rbuf[i]); 454 } 455 } 456 457 if ((wfcmd->read_cnt == 0 && wfcmd->write_cnt == 0) || wfcmd->need_ack) { 458 459 DPRINT (WF_DEBUG_CMD, "reading ACK for 0x%x\n", cmd); 460 461 /* Some commands need an ACK, but return zero instead 462 of the standard value. 463 */ 464 465 ack = wavefront_read(dev); 466 if (ack == 0) 467 ack = WF_ACK; 468 469 if (ack != WF_ACK) { 470 if (ack == -1) { 471 DPRINT (WF_DEBUG_IO, "cannot read ack for " 472 "0x%x [%s].\n", 473 cmd, wfcmd->action); 474 return 1; 475 476 } else { 477 int err = -1; /* something unknown */ 478 479 if (ack == 0xff) { /* explicit error */ 480 481 err = wavefront_read(dev); 482 if (err == -1) { 483 DPRINT (WF_DEBUG_DATA, 484 "cannot read err " 485 "for 0x%x [%s].\n", 486 cmd, wfcmd->action); 487 } 488 } 489 490 DPRINT (WF_DEBUG_IO, "0x%x [%s] " 491 "failed (0x%x, 0x%x, %s)\n", 492 cmd, wfcmd->action, ack, err, 493 wavefront_errorstr (err)); 494 495 return -err; 496 } 497 } 498 499 DPRINT (WF_DEBUG_DATA, "ack received " 500 "for 0x%x [%s]\n", 501 cmd, wfcmd->action); 502 } else { 503 504 DPRINT (WF_DEBUG_CMD, "0x%x [%s] does not need " 505 "ACK (%d,%d,%d)\n", 506 cmd, wfcmd->action, wfcmd->read_cnt, 507 wfcmd->write_cnt, wfcmd->need_ack); 508 } 509 510 return 0; 511 512 } 513 514 /*********************************************************************** 515 WaveFront data munging 516 517 Things here are weird. All data written to the board cannot 518 have its most significant bit set. Any data item with values 519 potentially > 0x7F (127) must be split across multiple bytes. 520 521 Sometimes, we need to munge numeric values that are represented on 522 the x86 side as 8-32 bit values. Sometimes, we need to munge data 523 that is represented on the x86 side as an array of bytes. The most 524 efficient approach to handling both cases seems to be to use 2 525 different functions for munging and 2 for de-munging. This avoids 526 weird casting and worrying about bit-level offsets. 527 528 **********************************************************************/ 529 530 static unsigned char * 531 munge_int32 (unsigned int src, 532 unsigned char *dst, 533 unsigned int dst_size) 534 { 535 unsigned int i; 536 537 for (i = 0; i < dst_size; i++) { 538 *dst = src & 0x7F; /* Mask high bit of LSB */ 539 src = src >> 7; /* Rotate Right 7 bits */ 540 /* Note: we leave the upper bits in place */ 541 542 dst++; 543 } 544 return dst; 545 }; 546 547 static int 548 demunge_int32 (unsigned char* src, int src_size) 549 550 { 551 int i; 552 int outval = 0; 553 554 for (i = src_size - 1; i >= 0; i--) { 555 outval=(outval<<7)+src[i]; 556 } 557 558 return outval; 559 }; 560 561 static 562 unsigned char * 563 munge_buf (unsigned char *src, unsigned char *dst, unsigned int dst_size) 564 565 { 566 unsigned int i; 567 unsigned int last = dst_size / 2; 568 569 for (i = 0; i < last; i++) { 570 *dst++ = src[i] & 0x7f; 571 *dst++ = src[i] >> 7; 572 } 573 return dst; 574 } 575 576 static 577 unsigned char * 578 demunge_buf (unsigned char *src, unsigned char *dst, unsigned int src_bytes) 579 580 { 581 int i; 582 unsigned char *end = src + src_bytes; 583 584 end = src + src_bytes; 585 586 /* NOTE: src and dst *CAN* point to the same address */ 587 588 for (i = 0; src != end; i++) { 589 dst[i] = *src++; 590 dst[i] |= (*src++)<<7; 591 } 592 593 return dst; 594 } 595 596 /*********************************************************************** 597 WaveFront: sample, patch and program management. 598 ***********************************************************************/ 599 600 static int 601 wavefront_delete_sample (snd_wavefront_t *dev, int sample_num) 602 603 { 604 unsigned char wbuf[2]; 605 int x; 606 607 wbuf[0] = sample_num & 0x7f; 608 wbuf[1] = sample_num >> 7; 609 610 x = snd_wavefront_cmd(dev, WFC_DELETE_SAMPLE, NULL, wbuf); 611 if (!x) 612 dev->sample_status[sample_num] = WF_ST_EMPTY; 613 614 return x; 615 } 616 617 static int 618 wavefront_get_sample_status (snd_wavefront_t *dev, int assume_rom) 619 620 { 621 int i; 622 unsigned char rbuf[32], wbuf[32]; 623 unsigned int sc_real, sc_alias, sc_multi; 624 625 /* check sample status */ 626 627 if (snd_wavefront_cmd (dev, WFC_GET_NSAMPLES, rbuf, wbuf)) { 628 snd_printk ("cannot request sample count.\n"); 629 return -1; 630 } 631 632 sc_real = sc_alias = sc_multi = dev->samples_used = 0; 633 634 for (i = 0; i < WF_MAX_SAMPLE; i++) { 635 636 wbuf[0] = i & 0x7f; 637 wbuf[1] = i >> 7; 638 639 if (snd_wavefront_cmd (dev, WFC_IDENTIFY_SAMPLE_TYPE, rbuf, wbuf)) { 640 snd_printk(KERN_WARNING "cannot identify sample " 641 "type of slot %d\n", i); 642 dev->sample_status[i] = WF_ST_EMPTY; 643 continue; 644 } 645 646 dev->sample_status[i] = (WF_SLOT_FILLED|rbuf[0]); 647 648 if (assume_rom) { 649 dev->sample_status[i] |= WF_SLOT_ROM; 650 } 651 652 switch (rbuf[0] & WF_ST_MASK) { 653 case WF_ST_SAMPLE: 654 sc_real++; 655 break; 656 case WF_ST_MULTISAMPLE: 657 sc_multi++; 658 break; 659 case WF_ST_ALIAS: 660 sc_alias++; 661 break; 662 case WF_ST_EMPTY: 663 break; 664 665 default: 666 snd_printk ("unknown sample type for " 667 "slot %d (0x%x)\n", 668 i, rbuf[0]); 669 } 670 671 if (rbuf[0] != WF_ST_EMPTY) { 672 dev->samples_used++; 673 } 674 } 675 676 snd_printk ("%d samples used (%d real, %d aliases, %d multi), " 677 "%d empty\n", dev->samples_used, sc_real, sc_alias, sc_multi, 678 WF_MAX_SAMPLE - dev->samples_used); 679 680 681 return (0); 682 683 } 684 685 static int 686 wavefront_get_patch_status (snd_wavefront_t *dev) 687 688 { 689 unsigned char patchbuf[WF_PATCH_BYTES]; 690 unsigned char patchnum[2]; 691 wavefront_patch *p; 692 int i, x, cnt, cnt2; 693 694 for (i = 0; i < WF_MAX_PATCH; i++) { 695 patchnum[0] = i & 0x7f; 696 patchnum[1] = i >> 7; 697 698 x = snd_wavefront_cmd(dev, WFC_UPLOAD_PATCH, patchbuf, 699 patchnum); 700 if (x == 0) { 701 702 dev->patch_status[i] |= WF_SLOT_FILLED; 703 p = (wavefront_patch *) patchbuf; 704 dev->sample_status 705 [p->sample_number|(p->sample_msb<<7)] |= 706 WF_SLOT_USED; 707 708 } else if (x == 3) { /* Bad patch number */ 709 dev->patch_status[i] = 0; 710 } else { 711 snd_printk ("upload patch " 712 "error 0x%x\n", x); 713 dev->patch_status[i] = 0; 714 return 1; 715 } 716 } 717 718 /* program status has already filled in slot_used bits */ 719 720 for (i = 0, cnt = 0, cnt2 = 0; i < WF_MAX_PATCH; i++) { 721 if (dev->patch_status[i] & WF_SLOT_FILLED) { 722 cnt++; 723 } 724 if (dev->patch_status[i] & WF_SLOT_USED) { 725 cnt2++; 726 } 727 728 } 729 snd_printk ("%d patch slots filled, %d in use\n", cnt, cnt2); 730 731 return (0); 732 } 733 734 static int 735 wavefront_get_program_status (snd_wavefront_t *dev) 736 737 { 738 unsigned char progbuf[WF_PROGRAM_BYTES]; 739 wavefront_program prog; 740 unsigned char prognum; 741 int i, x, l, cnt; 742 743 for (i = 0; i < WF_MAX_PROGRAM; i++) { 744 prognum = i; 745 746 x = snd_wavefront_cmd(dev, WFC_UPLOAD_PROGRAM, progbuf, 747 &prognum); 748 if (x == 0) { 749 750 dev->prog_status[i] |= WF_SLOT_USED; 751 752 demunge_buf (progbuf, (unsigned char *) &prog, 753 WF_PROGRAM_BYTES); 754 755 for (l = 0; l < WF_NUM_LAYERS; l++) { 756 if (prog.layer[l].mute) { 757 dev->patch_status 758 [prog.layer[l].patch_number] |= 759 WF_SLOT_USED; 760 } 761 } 762 } else if (x == 1) { /* Bad program number */ 763 dev->prog_status[i] = 0; 764 } else { 765 snd_printk ("upload program " 766 "error 0x%x\n", x); 767 dev->prog_status[i] = 0; 768 } 769 } 770 771 for (i = 0, cnt = 0; i < WF_MAX_PROGRAM; i++) { 772 if (dev->prog_status[i]) { 773 cnt++; 774 } 775 } 776 777 snd_printk ("%d programs slots in use\n", cnt); 778 779 return (0); 780 } 781 782 static int 783 wavefront_send_patch (snd_wavefront_t *dev, wavefront_patch_info *header) 784 785 { 786 unsigned char buf[WF_PATCH_BYTES+2]; 787 unsigned char *bptr; 788 789 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading patch %d\n", 790 header->number); 791 792 if (header->number >= ARRAY_SIZE(dev->patch_status)) 793 return -EINVAL; 794 795 dev->patch_status[header->number] |= WF_SLOT_FILLED; 796 797 bptr = munge_int32 (header->number, buf, 2); 798 munge_buf ((unsigned char *)&header->hdr.p, bptr, WF_PATCH_BYTES); 799 800 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PATCH, NULL, buf)) { 801 snd_printk ("download patch failed\n"); 802 return -EIO; 803 } 804 805 return (0); 806 } 807 808 static int 809 wavefront_send_program (snd_wavefront_t *dev, wavefront_patch_info *header) 810 811 { 812 unsigned char buf[WF_PROGRAM_BYTES+1]; 813 int i; 814 815 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading program %d\n", 816 header->number); 817 818 if (header->number >= ARRAY_SIZE(dev->prog_status)) 819 return -EINVAL; 820 821 dev->prog_status[header->number] = WF_SLOT_USED; 822 823 /* XXX need to zero existing SLOT_USED bit for program_status[i] 824 where `i' is the program that's being (potentially) overwritten. 825 */ 826 827 for (i = 0; i < WF_NUM_LAYERS; i++) { 828 if (header->hdr.pr.layer[i].mute) { 829 dev->patch_status[header->hdr.pr.layer[i].patch_number] |= 830 WF_SLOT_USED; 831 832 /* XXX need to mark SLOT_USED for sample used by 833 patch_number, but this means we have to load it. Ick. 834 */ 835 } 836 } 837 838 buf[0] = header->number; 839 munge_buf ((unsigned char *)&header->hdr.pr, &buf[1], WF_PROGRAM_BYTES); 840 841 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_PROGRAM, NULL, buf)) { 842 snd_printk ("download patch failed\n"); 843 return -EIO; 844 } 845 846 return (0); 847 } 848 849 static int 850 wavefront_freemem (snd_wavefront_t *dev) 851 852 { 853 char rbuf[8]; 854 855 if (snd_wavefront_cmd (dev, WFC_REPORT_FREE_MEMORY, rbuf, NULL)) { 856 snd_printk ("can't get memory stats.\n"); 857 return -1; 858 } else { 859 return demunge_int32 (rbuf, 4); 860 } 861 } 862 863 static int 864 wavefront_send_sample (snd_wavefront_t *dev, 865 wavefront_patch_info *header, 866 u16 __user *dataptr, 867 int data_is_unsigned) 868 869 { 870 /* samples are downloaded via a 16-bit wide i/o port 871 (you could think of it as 2 adjacent 8-bit wide ports 872 but its less efficient that way). therefore, all 873 the blocksizes and so forth listed in the documentation, 874 and used conventionally to refer to sample sizes, 875 which are given in 8-bit units (bytes), need to be 876 divided by 2. 877 */ 878 879 u16 sample_short = 0; 880 u32 length; 881 u16 __user *data_end = NULL; 882 unsigned int i; 883 const unsigned int max_blksize = 4096/2; 884 unsigned int written; 885 unsigned int blocksize; 886 int dma_ack; 887 int blocknum; 888 unsigned char sample_hdr[WF_SAMPLE_HDR_BYTES]; 889 unsigned char *shptr; 890 int skip = 0; 891 int initial_skip = 0; 892 893 DPRINT (WF_DEBUG_LOAD_PATCH, "sample %sdownload for slot %d, " 894 "type %d, %d bytes from 0x%lx\n", 895 header->size ? "" : "header ", 896 header->number, header->subkey, 897 header->size, 898 (unsigned long) header->dataptr); 899 900 if (header->number == WAVEFRONT_FIND_FREE_SAMPLE_SLOT) { 901 int x; 902 903 x = wavefront_find_free_sample(dev); 904 if (x < 0) 905 return -ENOMEM; 906 snd_printk ("unspecified sample => %d\n", x); 907 header->number = x; 908 } 909 910 if (header->number >= WF_MAX_SAMPLE) 911 return -EINVAL; 912 913 if (header->size) { 914 915 /* XXX it's a debatable point whether or not RDONLY semantics 916 on the ROM samples should cover just the sample data or 917 the sample header. For now, it only covers the sample data, 918 so anyone is free at all times to rewrite sample headers. 919 920 My reason for this is that we have the sample headers 921 available in the WFB file for General MIDI, and so these 922 can always be reset if needed. The sample data, however, 923 cannot be recovered without a complete reset and firmware 924 reload of the ICS2115, which is a very expensive operation. 925 926 So, doing things this way allows us to honor the notion of 927 "RESETSAMPLES" reasonably cheaply. Note however, that this 928 is done purely at user level: there is no WFB parser in 929 this driver, and so a complete reset (back to General MIDI, 930 or theoretically some other configuration) is the 931 responsibility of the user level library. 932 933 To try to do this in the kernel would be a little 934 crazy: we'd need 158K of kernel space just to hold 935 a copy of the patch/program/sample header data. 936 */ 937 938 if (dev->rom_samples_rdonly) { 939 if (dev->sample_status[header->number] & WF_SLOT_ROM) { 940 snd_printk ("sample slot %d " 941 "write protected\n", 942 header->number); 943 return -EACCES; 944 } 945 } 946 947 wavefront_delete_sample (dev, header->number); 948 } 949 950 if (header->size) { 951 dev->freemem = wavefront_freemem (dev); 952 953 if (dev->freemem < (int)header->size) { 954 snd_printk ("insufficient memory to " 955 "load %d byte sample.\n", 956 header->size); 957 return -ENOMEM; 958 } 959 960 } 961 962 skip = WF_GET_CHANNEL(&header->hdr.s); 963 964 if (skip > 0 && header->hdr.s.SampleResolution != LINEAR_16BIT) { 965 snd_printk ("channel selection only " 966 "possible on 16-bit samples"); 967 return -EINVAL; 968 } 969 970 switch (skip) { 971 case 0: 972 initial_skip = 0; 973 skip = 1; 974 break; 975 case 1: 976 initial_skip = 0; 977 skip = 2; 978 break; 979 case 2: 980 initial_skip = 1; 981 skip = 2; 982 break; 983 case 3: 984 initial_skip = 2; 985 skip = 3; 986 break; 987 case 4: 988 initial_skip = 3; 989 skip = 4; 990 break; 991 case 5: 992 initial_skip = 4; 993 skip = 5; 994 break; 995 case 6: 996 initial_skip = 5; 997 skip = 6; 998 break; 999 } 1000 1001 DPRINT (WF_DEBUG_LOAD_PATCH, "channel selection: %d => " 1002 "initial skip = %d, skip = %d\n", 1003 WF_GET_CHANNEL (&header->hdr.s), 1004 initial_skip, skip); 1005 1006 /* Be safe, and zero the "Unused" bits ... */ 1007 1008 WF_SET_CHANNEL(&header->hdr.s, 0); 1009 1010 /* adjust size for 16 bit samples by dividing by two. We always 1011 send 16 bits per write, even for 8 bit samples, so the length 1012 is always half the size of the sample data in bytes. 1013 */ 1014 1015 length = header->size / 2; 1016 1017 /* the data we're sent has not been munged, and in fact, the 1018 header we have to send isn't just a munged copy either. 1019 so, build the sample header right here. 1020 */ 1021 1022 shptr = &sample_hdr[0]; 1023 1024 shptr = munge_int32 (header->number, shptr, 2); 1025 1026 if (header->size) { 1027 shptr = munge_int32 (length, shptr, 4); 1028 } 1029 1030 /* Yes, a 4 byte result doesn't contain all of the offset bits, 1031 but the offset only uses 24 bits. 1032 */ 1033 1034 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleStartOffset), 1035 shptr, 4); 1036 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopStartOffset), 1037 shptr, 4); 1038 shptr = munge_int32 (*((u32 *) &header->hdr.s.loopEndOffset), 1039 shptr, 4); 1040 shptr = munge_int32 (*((u32 *) &header->hdr.s.sampleEndOffset), 1041 shptr, 4); 1042 1043 /* This one is truly weird. What kind of weirdo decided that in 1044 a system dominated by 16 and 32 bit integers, they would use 1045 a just 12 bits ? 1046 */ 1047 1048 shptr = munge_int32 (header->hdr.s.FrequencyBias, shptr, 3); 1049 1050 /* Why is this nybblified, when the MSB is *always* zero ? 1051 Anyway, we can't take address of bitfield, so make a 1052 good-faith guess at where it starts. 1053 */ 1054 1055 shptr = munge_int32 (*(&header->hdr.s.FrequencyBias+1), 1056 shptr, 2); 1057 1058 if (snd_wavefront_cmd (dev, 1059 header->size ? 1060 WFC_DOWNLOAD_SAMPLE : WFC_DOWNLOAD_SAMPLE_HEADER, 1061 NULL, sample_hdr)) { 1062 snd_printk ("sample %sdownload refused.\n", 1063 header->size ? "" : "header "); 1064 return -EIO; 1065 } 1066 1067 if (header->size == 0) { 1068 goto sent; /* Sorry. Just had to have one somewhere */ 1069 } 1070 1071 data_end = dataptr + length; 1072 1073 /* Do any initial skip over an unused channel's data */ 1074 1075 dataptr += initial_skip; 1076 1077 for (written = 0, blocknum = 0; 1078 written < length; written += max_blksize, blocknum++) { 1079 1080 if ((length - written) > max_blksize) { 1081 blocksize = max_blksize; 1082 } else { 1083 /* round to nearest 16-byte value */ 1084 blocksize = ALIGN(length - written, 8); 1085 } 1086 1087 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_BLOCK, NULL, NULL)) { 1088 snd_printk ("download block " 1089 "request refused.\n"); 1090 return -EIO; 1091 } 1092 1093 for (i = 0; i < blocksize; i++) { 1094 1095 if (dataptr < data_end) { 1096 1097 if (get_user(sample_short, dataptr)) 1098 return -EFAULT; 1099 dataptr += skip; 1100 1101 if (data_is_unsigned) { /* GUS ? */ 1102 1103 if (WF_SAMPLE_IS_8BIT(&header->hdr.s)) { 1104 1105 /* 8 bit sample 1106 resolution, sign 1107 extend both bytes. 1108 */ 1109 1110 ((unsigned char*) 1111 &sample_short)[0] += 0x7f; 1112 ((unsigned char*) 1113 &sample_short)[1] += 0x7f; 1114 1115 } else { 1116 1117 /* 16 bit sample 1118 resolution, sign 1119 extend the MSB. 1120 */ 1121 1122 sample_short += 0x7fff; 1123 } 1124 } 1125 1126 } else { 1127 1128 /* In padding section of final block: 1129 1130 Don't fetch unsupplied data from 1131 user space, just continue with 1132 whatever the final value was. 1133 */ 1134 } 1135 1136 if (i < blocksize - 1) { 1137 outw (sample_short, dev->block_port); 1138 } else { 1139 outw (sample_short, dev->last_block_port); 1140 } 1141 } 1142 1143 /* Get "DMA page acknowledge", even though its really 1144 nothing to do with DMA at all. 1145 */ 1146 1147 dma_ack = wavefront_read(dev); 1148 if (dma_ack != WF_DMA_ACK) { 1149 if (dma_ack == -1) { 1150 snd_printk ("upload sample " 1151 "DMA ack timeout\n"); 1152 return -EIO; 1153 } else { 1154 snd_printk ("upload sample " 1155 "DMA ack error 0x%x\n", 1156 dma_ack); 1157 return -EIO; 1158 } 1159 } 1160 } 1161 1162 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_SAMPLE); 1163 1164 /* Note, label is here because sending the sample header shouldn't 1165 alter the sample_status info at all. 1166 */ 1167 1168 sent: 1169 return (0); 1170 } 1171 1172 static int 1173 wavefront_send_alias (snd_wavefront_t *dev, wavefront_patch_info *header) 1174 1175 { 1176 unsigned char alias_hdr[WF_ALIAS_BYTES]; 1177 1178 DPRINT (WF_DEBUG_LOAD_PATCH, "download alias, %d is " 1179 "alias for %d\n", 1180 header->number, 1181 header->hdr.a.OriginalSample); 1182 1183 if (header->number >= WF_MAX_SAMPLE) 1184 return -EINVAL; 1185 1186 munge_int32 (header->number, &alias_hdr[0], 2); 1187 munge_int32 (header->hdr.a.OriginalSample, &alias_hdr[2], 2); 1188 munge_int32 (*((unsigned int *)&header->hdr.a.sampleStartOffset), 1189 &alias_hdr[4], 4); 1190 munge_int32 (*((unsigned int *)&header->hdr.a.loopStartOffset), 1191 &alias_hdr[8], 4); 1192 munge_int32 (*((unsigned int *)&header->hdr.a.loopEndOffset), 1193 &alias_hdr[12], 4); 1194 munge_int32 (*((unsigned int *)&header->hdr.a.sampleEndOffset), 1195 &alias_hdr[16], 4); 1196 munge_int32 (header->hdr.a.FrequencyBias, &alias_hdr[20], 3); 1197 munge_int32 (*(&header->hdr.a.FrequencyBias+1), &alias_hdr[23], 2); 1198 1199 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_SAMPLE_ALIAS, NULL, alias_hdr)) { 1200 snd_printk ("download alias failed.\n"); 1201 return -EIO; 1202 } 1203 1204 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_ALIAS); 1205 1206 return (0); 1207 } 1208 1209 static int 1210 wavefront_send_multisample (snd_wavefront_t *dev, wavefront_patch_info *header) 1211 { 1212 int i; 1213 int num_samples; 1214 unsigned char *msample_hdr; 1215 1216 if (header->number >= WF_MAX_SAMPLE) 1217 return -EINVAL; 1218 1219 msample_hdr = kmalloc(WF_MSAMPLE_BYTES, GFP_KERNEL); 1220 if (! msample_hdr) 1221 return -ENOMEM; 1222 1223 munge_int32 (header->number, &msample_hdr[0], 2); 1224 1225 /* You'll recall at this point that the "number of samples" value 1226 in a wavefront_multisample struct is actually the log2 of the 1227 real number of samples. 1228 */ 1229 1230 num_samples = (1<<(header->hdr.ms.NumberOfSamples&7)); 1231 msample_hdr[2] = (unsigned char) header->hdr.ms.NumberOfSamples; 1232 1233 DPRINT (WF_DEBUG_LOAD_PATCH, "multi %d with %d=%d samples\n", 1234 header->number, 1235 header->hdr.ms.NumberOfSamples, 1236 num_samples); 1237 1238 for (i = 0; i < num_samples; i++) { 1239 DPRINT(WF_DEBUG_LOAD_PATCH|WF_DEBUG_DATA, "sample[%d] = %d\n", 1240 i, header->hdr.ms.SampleNumber[i]); 1241 munge_int32 (header->hdr.ms.SampleNumber[i], 1242 &msample_hdr[3+(i*2)], 2); 1243 } 1244 1245 /* Need a hack here to pass in the number of bytes 1246 to be written to the synth. This is ugly, and perhaps 1247 one day, I'll fix it. 1248 */ 1249 1250 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_MULTISAMPLE, 1251 (unsigned char *) (long) ((num_samples*2)+3), 1252 msample_hdr)) { 1253 snd_printk ("download of multisample failed.\n"); 1254 kfree(msample_hdr); 1255 return -EIO; 1256 } 1257 1258 dev->sample_status[header->number] = (WF_SLOT_FILLED|WF_ST_MULTISAMPLE); 1259 1260 kfree(msample_hdr); 1261 return (0); 1262 } 1263 1264 static int 1265 wavefront_fetch_multisample (snd_wavefront_t *dev, 1266 wavefront_patch_info *header) 1267 { 1268 int i; 1269 unsigned char log_ns[1]; 1270 unsigned char number[2]; 1271 int num_samples; 1272 1273 munge_int32 (header->number, number, 2); 1274 1275 if (snd_wavefront_cmd (dev, WFC_UPLOAD_MULTISAMPLE, log_ns, number)) { 1276 snd_printk ("upload multisample failed.\n"); 1277 return -EIO; 1278 } 1279 1280 DPRINT (WF_DEBUG_DATA, "msample %d has %d samples\n", 1281 header->number, log_ns[0]); 1282 1283 header->hdr.ms.NumberOfSamples = log_ns[0]; 1284 1285 /* get the number of samples ... */ 1286 1287 num_samples = (1 << log_ns[0]); 1288 1289 for (i = 0; i < num_samples; i++) { 1290 char d[2]; 1291 int val; 1292 1293 val = wavefront_read(dev); 1294 if (val == -1) { 1295 snd_printk ("upload multisample failed " 1296 "during sample loop.\n"); 1297 return -EIO; 1298 } 1299 d[0] = val; 1300 1301 val = wavefront_read(dev); 1302 if (val == -1) { 1303 snd_printk ("upload multisample failed " 1304 "during sample loop.\n"); 1305 return -EIO; 1306 } 1307 d[1] = val; 1308 1309 header->hdr.ms.SampleNumber[i] = 1310 demunge_int32 ((unsigned char *) d, 2); 1311 1312 DPRINT (WF_DEBUG_DATA, "msample sample[%d] = %d\n", 1313 i, header->hdr.ms.SampleNumber[i]); 1314 } 1315 1316 return (0); 1317 } 1318 1319 1320 static int 1321 wavefront_send_drum (snd_wavefront_t *dev, wavefront_patch_info *header) 1322 1323 { 1324 unsigned char drumbuf[WF_DRUM_BYTES]; 1325 wavefront_drum *drum = &header->hdr.d; 1326 int i; 1327 1328 DPRINT (WF_DEBUG_LOAD_PATCH, "downloading edrum for MIDI " 1329 "note %d, patch = %d\n", 1330 header->number, drum->PatchNumber); 1331 1332 drumbuf[0] = header->number & 0x7f; 1333 1334 for (i = 0; i < 4; i++) { 1335 munge_int32 (((unsigned char *)drum)[i], &drumbuf[1+(i*2)], 2); 1336 } 1337 1338 if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_EDRUM_PROGRAM, NULL, drumbuf)) { 1339 snd_printk ("download drum failed.\n"); 1340 return -EIO; 1341 } 1342 1343 return (0); 1344 } 1345 1346 static int 1347 wavefront_find_free_sample (snd_wavefront_t *dev) 1348 1349 { 1350 int i; 1351 1352 for (i = 0; i < WF_MAX_SAMPLE; i++) { 1353 if (!(dev->sample_status[i] & WF_SLOT_FILLED)) { 1354 return i; 1355 } 1356 } 1357 snd_printk ("no free sample slots!\n"); 1358 return -1; 1359 } 1360 1361 #if 0 1362 static int 1363 wavefront_find_free_patch (snd_wavefront_t *dev) 1364 1365 { 1366 int i; 1367 1368 for (i = 0; i < WF_MAX_PATCH; i++) { 1369 if (!(dev->patch_status[i] & WF_SLOT_FILLED)) { 1370 return i; 1371 } 1372 } 1373 snd_printk ("no free patch slots!\n"); 1374 return -1; 1375 } 1376 #endif 1377 1378 static int 1379 wavefront_load_patch (snd_wavefront_t *dev, const char __user *addr) 1380 { 1381 wavefront_patch_info *header; 1382 int err; 1383 1384 header = kmalloc(sizeof(*header), GFP_KERNEL); 1385 if (! header) 1386 return -ENOMEM; 1387 1388 if (copy_from_user (header, addr, sizeof(wavefront_patch_info) - 1389 sizeof(wavefront_any))) { 1390 snd_printk ("bad address for load patch.\n"); 1391 err = -EFAULT; 1392 goto __error; 1393 } 1394 1395 DPRINT (WF_DEBUG_LOAD_PATCH, "download " 1396 "Sample type: %d " 1397 "Sample number: %d " 1398 "Sample size: %d\n", 1399 header->subkey, 1400 header->number, 1401 header->size); 1402 1403 switch (header->subkey) { 1404 case WF_ST_SAMPLE: /* sample or sample_header, based on patch->size */ 1405 1406 if (copy_from_user (&header->hdr.s, header->hdrptr, 1407 sizeof (wavefront_sample))) { 1408 err = -EFAULT; 1409 break; 1410 } 1411 1412 err = wavefront_send_sample (dev, header, header->dataptr, 0); 1413 break; 1414 1415 case WF_ST_MULTISAMPLE: 1416 1417 if (copy_from_user (&header->hdr.s, header->hdrptr, 1418 sizeof (wavefront_multisample))) { 1419 err = -EFAULT; 1420 break; 1421 } 1422 1423 err = wavefront_send_multisample (dev, header); 1424 break; 1425 1426 case WF_ST_ALIAS: 1427 1428 if (copy_from_user (&header->hdr.a, header->hdrptr, 1429 sizeof (wavefront_alias))) { 1430 err = -EFAULT; 1431 break; 1432 } 1433 1434 err = wavefront_send_alias (dev, header); 1435 break; 1436 1437 case WF_ST_DRUM: 1438 if (copy_from_user (&header->hdr.d, header->hdrptr, 1439 sizeof (wavefront_drum))) { 1440 err = -EFAULT; 1441 break; 1442 } 1443 1444 err = wavefront_send_drum (dev, header); 1445 break; 1446 1447 case WF_ST_PATCH: 1448 if (copy_from_user (&header->hdr.p, header->hdrptr, 1449 sizeof (wavefront_patch))) { 1450 err = -EFAULT; 1451 break; 1452 } 1453 1454 err = wavefront_send_patch (dev, header); 1455 break; 1456 1457 case WF_ST_PROGRAM: 1458 if (copy_from_user (&header->hdr.pr, header->hdrptr, 1459 sizeof (wavefront_program))) { 1460 err = -EFAULT; 1461 break; 1462 } 1463 1464 err = wavefront_send_program (dev, header); 1465 break; 1466 1467 default: 1468 snd_printk ("unknown patch type %d.\n", 1469 header->subkey); 1470 err = -EINVAL; 1471 break; 1472 } 1473 1474 __error: 1475 kfree(header); 1476 return err; 1477 } 1478 1479 /*********************************************************************** 1480 WaveFront: hardware-dependent interface 1481 ***********************************************************************/ 1482 1483 static void 1484 process_sample_hdr (u8 *buf) 1485 1486 { 1487 wavefront_sample s; 1488 u8 *ptr; 1489 1490 ptr = buf; 1491 1492 /* The board doesn't send us an exact copy of a "wavefront_sample" 1493 in response to an Upload Sample Header command. Instead, we 1494 have to convert the data format back into our data structure, 1495 just as in the Download Sample command, where we have to do 1496 something very similar in the reverse direction. 1497 */ 1498 1499 *((u32 *) &s.sampleStartOffset) = demunge_int32 (ptr, 4); ptr += 4; 1500 *((u32 *) &s.loopStartOffset) = demunge_int32 (ptr, 4); ptr += 4; 1501 *((u32 *) &s.loopEndOffset) = demunge_int32 (ptr, 4); ptr += 4; 1502 *((u32 *) &s.sampleEndOffset) = demunge_int32 (ptr, 4); ptr += 4; 1503 *((u32 *) &s.FrequencyBias) = demunge_int32 (ptr, 3); ptr += 3; 1504 1505 s.SampleResolution = *ptr & 0x3; 1506 s.Loop = *ptr & 0x8; 1507 s.Bidirectional = *ptr & 0x10; 1508 s.Reverse = *ptr & 0x40; 1509 1510 /* Now copy it back to where it came from */ 1511 1512 memcpy (buf, (unsigned char *) &s, sizeof (wavefront_sample)); 1513 } 1514 1515 static int 1516 wavefront_synth_control (snd_wavefront_card_t *acard, 1517 wavefront_control *wc) 1518 1519 { 1520 snd_wavefront_t *dev = &acard->wavefront; 1521 unsigned char patchnumbuf[2]; 1522 int i; 1523 1524 DPRINT (WF_DEBUG_CMD, "synth control with " 1525 "cmd 0x%x\n", wc->cmd); 1526 1527 /* Pre-handling of or for various commands */ 1528 1529 switch (wc->cmd) { 1530 1531 case WFC_DISABLE_INTERRUPTS: 1532 snd_printk ("interrupts disabled.\n"); 1533 outb (0x80|0x20, dev->control_port); 1534 dev->interrupts_are_midi = 1; 1535 return 0; 1536 1537 case WFC_ENABLE_INTERRUPTS: 1538 snd_printk ("interrupts enabled.\n"); 1539 outb (0x80|0x40|0x20, dev->control_port); 1540 dev->interrupts_are_midi = 1; 1541 return 0; 1542 1543 case WFC_INTERRUPT_STATUS: 1544 wc->rbuf[0] = dev->interrupts_are_midi; 1545 return 0; 1546 1547 case WFC_ROMSAMPLES_RDONLY: 1548 dev->rom_samples_rdonly = wc->wbuf[0]; 1549 wc->status = 0; 1550 return 0; 1551 1552 case WFC_IDENTIFY_SLOT_TYPE: 1553 i = wc->wbuf[0] | (wc->wbuf[1] << 7); 1554 if (i <0 || i >= WF_MAX_SAMPLE) { 1555 snd_printk ("invalid slot ID %d\n", 1556 i); 1557 wc->status = EINVAL; 1558 return -EINVAL; 1559 } 1560 wc->rbuf[0] = dev->sample_status[i]; 1561 wc->status = 0; 1562 return 0; 1563 1564 case WFC_DEBUG_DRIVER: 1565 dev->debug = wc->wbuf[0]; 1566 snd_printk ("debug = 0x%x\n", dev->debug); 1567 return 0; 1568 1569 case WFC_UPLOAD_PATCH: 1570 munge_int32 (*((u32 *) wc->wbuf), patchnumbuf, 2); 1571 memcpy (wc->wbuf, patchnumbuf, 2); 1572 break; 1573 1574 case WFC_UPLOAD_MULTISAMPLE: 1575 /* multisamples have to be handled differently, and 1576 cannot be dealt with properly by snd_wavefront_cmd() alone. 1577 */ 1578 wc->status = wavefront_fetch_multisample 1579 (dev, (wavefront_patch_info *) wc->rbuf); 1580 return 0; 1581 1582 case WFC_UPLOAD_SAMPLE_ALIAS: 1583 snd_printk ("support for sample alias upload " 1584 "being considered.\n"); 1585 wc->status = EINVAL; 1586 return -EINVAL; 1587 } 1588 1589 wc->status = snd_wavefront_cmd (dev, wc->cmd, wc->rbuf, wc->wbuf); 1590 1591 /* Post-handling of certain commands. 1592 1593 In particular, if the command was an upload, demunge the data 1594 so that the user-level doesn't have to think about it. 1595 */ 1596 1597 if (wc->status == 0) { 1598 switch (wc->cmd) { 1599 /* intercept any freemem requests so that we know 1600 we are always current with the user-level view 1601 of things. 1602 */ 1603 1604 case WFC_REPORT_FREE_MEMORY: 1605 dev->freemem = demunge_int32 (wc->rbuf, 4); 1606 break; 1607 1608 case WFC_UPLOAD_PATCH: 1609 demunge_buf (wc->rbuf, wc->rbuf, WF_PATCH_BYTES); 1610 break; 1611 1612 case WFC_UPLOAD_PROGRAM: 1613 demunge_buf (wc->rbuf, wc->rbuf, WF_PROGRAM_BYTES); 1614 break; 1615 1616 case WFC_UPLOAD_EDRUM_PROGRAM: 1617 demunge_buf (wc->rbuf, wc->rbuf, WF_DRUM_BYTES - 1); 1618 break; 1619 1620 case WFC_UPLOAD_SAMPLE_HEADER: 1621 process_sample_hdr (wc->rbuf); 1622 break; 1623 1624 case WFC_UPLOAD_SAMPLE_ALIAS: 1625 snd_printk ("support for " 1626 "sample aliases still " 1627 "being considered.\n"); 1628 break; 1629 1630 case WFC_VMIDI_OFF: 1631 snd_wavefront_midi_disable_virtual (acard); 1632 break; 1633 1634 case WFC_VMIDI_ON: 1635 snd_wavefront_midi_enable_virtual (acard); 1636 break; 1637 } 1638 } 1639 1640 return 0; 1641 } 1642 1643 int 1644 snd_wavefront_synth_open (struct snd_hwdep *hw, struct file *file) 1645 1646 { 1647 if (!try_module_get(hw->card->module)) 1648 return -EFAULT; 1649 file->private_data = hw; 1650 return 0; 1651 } 1652 1653 int 1654 snd_wavefront_synth_release (struct snd_hwdep *hw, struct file *file) 1655 1656 { 1657 module_put(hw->card->module); 1658 return 0; 1659 } 1660 1661 int 1662 snd_wavefront_synth_ioctl (struct snd_hwdep *hw, struct file *file, 1663 unsigned int cmd, unsigned long arg) 1664 1665 { 1666 struct snd_card *card; 1667 snd_wavefront_t *dev; 1668 snd_wavefront_card_t *acard; 1669 wavefront_control *wc; 1670 void __user *argp = (void __user *)arg; 1671 int err; 1672 1673 card = (struct snd_card *) hw->card; 1674 1675 if (snd_BUG_ON(!card)) 1676 return -ENODEV; 1677 if (snd_BUG_ON(!card->private_data)) 1678 return -ENODEV; 1679 1680 acard = card->private_data; 1681 dev = &acard->wavefront; 1682 1683 switch (cmd) { 1684 case WFCTL_LOAD_SPP: 1685 if (wavefront_load_patch (dev, argp) != 0) { 1686 return -EIO; 1687 } 1688 break; 1689 1690 case WFCTL_WFCMD: 1691 wc = memdup_user(argp, sizeof(*wc)); 1692 if (IS_ERR(wc)) 1693 return PTR_ERR(wc); 1694 1695 if (wavefront_synth_control (acard, wc) < 0) 1696 err = -EIO; 1697 else if (copy_to_user (argp, wc, sizeof (*wc))) 1698 err = -EFAULT; 1699 else 1700 err = 0; 1701 kfree(wc); 1702 return err; 1703 1704 default: 1705 return -EINVAL; 1706 } 1707 1708 return 0; 1709 } 1710 1711 1712 /***********************************************************************/ 1713 /* WaveFront: interface for card-level wavefront module */ 1714 /***********************************************************************/ 1715 1716 void 1717 snd_wavefront_internal_interrupt (snd_wavefront_card_t *card) 1718 { 1719 snd_wavefront_t *dev = &card->wavefront; 1720 1721 /* 1722 Some comments on interrupts. I attempted a version of this 1723 driver that used interrupts throughout the code instead of 1724 doing busy and/or sleep-waiting. Alas, it appears that once 1725 the Motorola firmware is downloaded, the card *never* 1726 generates an RX interrupt. These are successfully generated 1727 during firmware loading, and after that wavefront_status() 1728 reports that an interrupt is pending on the card from time 1729 to time, but it never seems to be delivered to this 1730 driver. Note also that wavefront_status() continues to 1731 report that RX interrupts are enabled, suggesting that I 1732 didn't goof up and disable them by mistake. 1733 1734 Thus, I stepped back to a prior version of 1735 wavefront_wait(), the only place where this really 1736 matters. Its sad, but I've looked through the code to check 1737 on things, and I really feel certain that the Motorola 1738 firmware prevents RX-ready interrupts. 1739 */ 1740 1741 if ((wavefront_status(dev) & (STAT_INTR_READ|STAT_INTR_WRITE)) == 0) { 1742 return; 1743 } 1744 1745 spin_lock(&dev->irq_lock); 1746 dev->irq_ok = 1; 1747 dev->irq_cnt++; 1748 spin_unlock(&dev->irq_lock); 1749 wake_up(&dev->interrupt_sleeper); 1750 } 1751 1752 /* STATUS REGISTER 1753 1754 0 Host Rx Interrupt Enable (1=Enabled) 1755 1 Host Rx Register Full (1=Full) 1756 2 Host Rx Interrupt Pending (1=Interrupt) 1757 3 Unused 1758 4 Host Tx Interrupt (1=Enabled) 1759 5 Host Tx Register empty (1=Empty) 1760 6 Host Tx Interrupt Pending (1=Interrupt) 1761 7 Unused 1762 */ 1763 1764 static int 1765 snd_wavefront_interrupt_bits (int irq) 1766 1767 { 1768 int bits; 1769 1770 switch (irq) { 1771 case 9: 1772 bits = 0x00; 1773 break; 1774 case 5: 1775 bits = 0x08; 1776 break; 1777 case 12: 1778 bits = 0x10; 1779 break; 1780 case 15: 1781 bits = 0x18; 1782 break; 1783 1784 default: 1785 snd_printk ("invalid IRQ %d\n", irq); 1786 bits = -1; 1787 } 1788 1789 return bits; 1790 } 1791 1792 static void 1793 wavefront_should_cause_interrupt (snd_wavefront_t *dev, 1794 int val, int port, unsigned long timeout) 1795 1796 { 1797 wait_queue_entry_t wait; 1798 1799 init_waitqueue_entry(&wait, current); 1800 spin_lock_irq(&dev->irq_lock); 1801 add_wait_queue(&dev->interrupt_sleeper, &wait); 1802 dev->irq_ok = 0; 1803 outb (val,port); 1804 spin_unlock_irq(&dev->irq_lock); 1805 while (!dev->irq_ok && time_before(jiffies, timeout)) { 1806 schedule_timeout_uninterruptible(1); 1807 barrier(); 1808 } 1809 } 1810 1811 static int 1812 wavefront_reset_to_cleanliness (snd_wavefront_t *dev) 1813 1814 { 1815 int bits; 1816 int hwv[2]; 1817 1818 /* IRQ already checked */ 1819 1820 bits = snd_wavefront_interrupt_bits (dev->irq); 1821 1822 /* try reset of port */ 1823 1824 outb (0x0, dev->control_port); 1825 1826 /* At this point, the board is in reset, and the H/W initialization 1827 register is accessed at the same address as the data port. 1828 1829 Bit 7 - Enable IRQ Driver 1830 0 - Tri-state the Wave-Board drivers for the PC Bus IRQs 1831 1 - Enable IRQ selected by bits 5:3 to be driven onto the PC Bus. 1832 1833 Bit 6 - MIDI Interface Select 1834 1835 0 - Use the MIDI Input from the 26-pin WaveBlaster 1836 compatible header as the serial MIDI source 1837 1 - Use the MIDI Input from the 9-pin D connector as the 1838 serial MIDI source. 1839 1840 Bits 5:3 - IRQ Selection 1841 0 0 0 - IRQ 2/9 1842 0 0 1 - IRQ 5 1843 0 1 0 - IRQ 12 1844 0 1 1 - IRQ 15 1845 1 0 0 - Reserved 1846 1 0 1 - Reserved 1847 1 1 0 - Reserved 1848 1 1 1 - Reserved 1849 1850 Bits 2:1 - Reserved 1851 Bit 0 - Disable Boot ROM 1852 0 - memory accesses to 03FC30-03FFFFH utilize the internal Boot ROM 1853 1 - memory accesses to 03FC30-03FFFFH are directed to external 1854 storage. 1855 1856 */ 1857 1858 /* configure hardware: IRQ, enable interrupts, 1859 plus external 9-pin MIDI interface selected 1860 */ 1861 1862 outb (0x80 | 0x40 | bits, dev->data_port); 1863 1864 /* CONTROL REGISTER 1865 1866 0 Host Rx Interrupt Enable (1=Enabled) 0x1 1867 1 Unused 0x2 1868 2 Unused 0x4 1869 3 Unused 0x8 1870 4 Host Tx Interrupt Enable 0x10 1871 5 Mute (0=Mute; 1=Play) 0x20 1872 6 Master Interrupt Enable (1=Enabled) 0x40 1873 7 Master Reset (0=Reset; 1=Run) 0x80 1874 1875 Take us out of reset, mute output, master + TX + RX interrupts on. 1876 1877 We'll get an interrupt presumably to tell us that the TX 1878 register is clear. 1879 */ 1880 1881 wavefront_should_cause_interrupt(dev, 0x80|0x40|0x10|0x1, 1882 dev->control_port, 1883 (reset_time*HZ)/100); 1884 1885 /* Note: data port is now the data port, not the h/w initialization 1886 port. 1887 */ 1888 1889 if (!dev->irq_ok) { 1890 snd_printk ("intr not received after h/w un-reset.\n"); 1891 goto gone_bad; 1892 } 1893 1894 /* Note: data port is now the data port, not the h/w initialization 1895 port. 1896 1897 At this point, only "HW VERSION" or "DOWNLOAD OS" commands 1898 will work. So, issue one of them, and wait for TX 1899 interrupt. This can take a *long* time after a cold boot, 1900 while the ISC ROM does its RAM test. The SDK says up to 4 1901 seconds - with 12MB of RAM on a Tropez+, it takes a lot 1902 longer than that (~16secs). Note that the card understands 1903 the difference between a warm and a cold boot, so 1904 subsequent ISC2115 reboots (say, caused by module 1905 reloading) will get through this much faster. 1906 1907 XXX Interesting question: why is no RX interrupt received first ? 1908 */ 1909 1910 wavefront_should_cause_interrupt(dev, WFC_HARDWARE_VERSION, 1911 dev->data_port, ramcheck_time*HZ); 1912 1913 if (!dev->irq_ok) { 1914 snd_printk ("post-RAM-check interrupt not received.\n"); 1915 goto gone_bad; 1916 } 1917 1918 if (!wavefront_wait (dev, STAT_CAN_READ)) { 1919 snd_printk ("no response to HW version cmd.\n"); 1920 goto gone_bad; 1921 } 1922 1923 hwv[0] = wavefront_read(dev); 1924 if (hwv[0] == -1) { 1925 snd_printk ("board not responding correctly.\n"); 1926 goto gone_bad; 1927 } 1928 1929 if (hwv[0] == 0xFF) { /* NAK */ 1930 1931 /* Board's RAM test failed. Try to read error code, 1932 and tell us about it either way. 1933 */ 1934 1935 hwv[0] = wavefront_read(dev); 1936 if (hwv[0] == -1) { 1937 snd_printk ("on-board RAM test failed " 1938 "(bad error code).\n"); 1939 } else { 1940 snd_printk ("on-board RAM test failed " 1941 "(error code: 0x%x).\n", 1942 hwv[0]); 1943 } 1944 goto gone_bad; 1945 } 1946 1947 /* We're OK, just get the next byte of the HW version response */ 1948 1949 hwv[1] = wavefront_read(dev); 1950 if (hwv[1] == -1) { 1951 snd_printk ("incorrect h/w response.\n"); 1952 goto gone_bad; 1953 } 1954 1955 snd_printk ("hardware version %d.%d\n", 1956 hwv[0], hwv[1]); 1957 1958 return 0; 1959 1960 1961 gone_bad: 1962 return (1); 1963 } 1964 1965 static int 1966 wavefront_download_firmware (snd_wavefront_t *dev, char *path) 1967 1968 { 1969 const unsigned char *buf; 1970 int len, err; 1971 int section_cnt_downloaded = 0; 1972 const struct firmware *firmware; 1973 1974 err = request_firmware(&firmware, path, dev->card->dev); 1975 if (err < 0) { 1976 snd_printk(KERN_ERR "firmware (%s) download failed!!!\n", path); 1977 return 1; 1978 } 1979 1980 len = 0; 1981 buf = firmware->data; 1982 for (;;) { 1983 int section_length = *(signed char *)buf; 1984 if (section_length == 0) 1985 break; 1986 if (section_length < 0 || section_length > WF_SECTION_MAX) { 1987 snd_printk(KERN_ERR 1988 "invalid firmware section length %d\n", 1989 section_length); 1990 goto failure; 1991 } 1992 buf++; 1993 len++; 1994 1995 if (firmware->size < len + section_length) { 1996 snd_printk(KERN_ERR "firmware section read error.\n"); 1997 goto failure; 1998 } 1999 2000 /* Send command */ 2001 if (wavefront_write(dev, WFC_DOWNLOAD_OS)) 2002 goto failure; 2003 2004 for (; section_length; section_length--) { 2005 if (wavefront_write(dev, *buf)) 2006 goto failure; 2007 buf++; 2008 len++; 2009 } 2010 2011 /* get ACK */ 2012 if (!wavefront_wait(dev, STAT_CAN_READ)) { 2013 snd_printk(KERN_ERR "time out for firmware ACK.\n"); 2014 goto failure; 2015 } 2016 err = inb(dev->data_port); 2017 if (err != WF_ACK) { 2018 snd_printk(KERN_ERR 2019 "download of section #%d not " 2020 "acknowledged, ack = 0x%x\n", 2021 section_cnt_downloaded + 1, err); 2022 goto failure; 2023 } 2024 2025 section_cnt_downloaded++; 2026 } 2027 2028 release_firmware(firmware); 2029 return 0; 2030 2031 failure: 2032 release_firmware(firmware); 2033 snd_printk(KERN_ERR "firmware download failed!!!\n"); 2034 return 1; 2035 } 2036 2037 2038 static int 2039 wavefront_do_reset (snd_wavefront_t *dev) 2040 2041 { 2042 char voices[1]; 2043 2044 if (wavefront_reset_to_cleanliness (dev)) { 2045 snd_printk ("hw reset failed.\n"); 2046 goto gone_bad; 2047 } 2048 2049 if (dev->israw) { 2050 if (wavefront_download_firmware (dev, ospath)) { 2051 goto gone_bad; 2052 } 2053 2054 dev->israw = 0; 2055 2056 /* Wait for the OS to get running. The protocol for 2057 this is non-obvious, and was determined by 2058 using port-IO tracing in DOSemu and some 2059 experimentation here. 2060 2061 Rather than using timed waits, use interrupts creatively. 2062 */ 2063 2064 wavefront_should_cause_interrupt (dev, WFC_NOOP, 2065 dev->data_port, 2066 (osrun_time*HZ)); 2067 2068 if (!dev->irq_ok) { 2069 snd_printk ("no post-OS interrupt.\n"); 2070 goto gone_bad; 2071 } 2072 2073 /* Now, do it again ! */ 2074 2075 wavefront_should_cause_interrupt (dev, WFC_NOOP, 2076 dev->data_port, (10*HZ)); 2077 2078 if (!dev->irq_ok) { 2079 snd_printk ("no post-OS interrupt(2).\n"); 2080 goto gone_bad; 2081 } 2082 2083 /* OK, no (RX/TX) interrupts any more, but leave mute 2084 in effect. 2085 */ 2086 2087 outb (0x80|0x40, dev->control_port); 2088 } 2089 2090 /* SETUPSND.EXE asks for sample memory config here, but since i 2091 have no idea how to interpret the result, we'll forget 2092 about it. 2093 */ 2094 2095 dev->freemem = wavefront_freemem(dev); 2096 if (dev->freemem < 0) 2097 goto gone_bad; 2098 2099 snd_printk ("available DRAM %dk\n", dev->freemem / 1024); 2100 2101 if (wavefront_write (dev, 0xf0) || 2102 wavefront_write (dev, 1) || 2103 (wavefront_read (dev) < 0)) { 2104 dev->debug = 0; 2105 snd_printk ("MPU emulation mode not set.\n"); 2106 goto gone_bad; 2107 } 2108 2109 voices[0] = 32; 2110 2111 if (snd_wavefront_cmd (dev, WFC_SET_NVOICES, NULL, voices)) { 2112 snd_printk ("cannot set number of voices to 32.\n"); 2113 goto gone_bad; 2114 } 2115 2116 2117 return 0; 2118 2119 gone_bad: 2120 /* reset that sucker so that it doesn't bother us. */ 2121 2122 outb (0x0, dev->control_port); 2123 dev->interrupts_are_midi = 0; 2124 return 1; 2125 } 2126 2127 int 2128 snd_wavefront_start (snd_wavefront_t *dev) 2129 2130 { 2131 int samples_are_from_rom; 2132 2133 /* IMPORTANT: assumes that snd_wavefront_detect() and/or 2134 wavefront_reset_to_cleanliness() has already been called 2135 */ 2136 2137 if (dev->israw) { 2138 samples_are_from_rom = 1; 2139 } else { 2140 /* XXX is this always true ? */ 2141 samples_are_from_rom = 0; 2142 } 2143 2144 if (dev->israw || fx_raw) { 2145 if (wavefront_do_reset (dev)) { 2146 return -1; 2147 } 2148 } 2149 /* Check for FX device, present only on Tropez+ */ 2150 2151 dev->has_fx = (snd_wavefront_fx_detect (dev) == 0); 2152 2153 if (dev->has_fx && fx_raw) { 2154 snd_wavefront_fx_start (dev); 2155 } 2156 2157 wavefront_get_sample_status (dev, samples_are_from_rom); 2158 wavefront_get_program_status (dev); 2159 wavefront_get_patch_status (dev); 2160 2161 /* Start normal operation: unreset, master interrupt enabled, no mute 2162 */ 2163 2164 outb (0x80|0x40|0x20, dev->control_port); 2165 2166 return (0); 2167 } 2168 2169 int 2170 snd_wavefront_detect (snd_wavefront_card_t *card) 2171 2172 { 2173 unsigned char rbuf[4], wbuf[4]; 2174 snd_wavefront_t *dev = &card->wavefront; 2175 2176 /* returns zero if a WaveFront card is successfully detected. 2177 negative otherwise. 2178 */ 2179 2180 dev->israw = 0; 2181 dev->has_fx = 0; 2182 dev->debug = debug_default; 2183 dev->interrupts_are_midi = 0; 2184 dev->irq_cnt = 0; 2185 dev->rom_samples_rdonly = 1; 2186 2187 if (snd_wavefront_cmd (dev, WFC_FIRMWARE_VERSION, rbuf, wbuf) == 0) { 2188 2189 dev->fw_version[0] = rbuf[0]; 2190 dev->fw_version[1] = rbuf[1]; 2191 2192 snd_printk ("firmware %d.%d already loaded.\n", 2193 rbuf[0], rbuf[1]); 2194 2195 /* check that a command actually works */ 2196 2197 if (snd_wavefront_cmd (dev, WFC_HARDWARE_VERSION, 2198 rbuf, wbuf) == 0) { 2199 dev->hw_version[0] = rbuf[0]; 2200 dev->hw_version[1] = rbuf[1]; 2201 } else { 2202 snd_printk ("not raw, but no " 2203 "hardware version!\n"); 2204 return -1; 2205 } 2206 2207 if (!wf_raw) { 2208 return 0; 2209 } else { 2210 snd_printk ("reloading firmware as you requested.\n"); 2211 dev->israw = 1; 2212 } 2213 2214 } else { 2215 2216 dev->israw = 1; 2217 snd_printk ("no response to firmware probe, assume raw.\n"); 2218 2219 } 2220 2221 return 0; 2222 } 2223 2224 MODULE_FIRMWARE(DEFAULT_OSPATH); 2225