1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> 4 * Takashi Iwai <tiwai@suse.de> 5 * 6 * SB16ASP/AWE32 CSP control 7 * 8 * CSP microcode loader: 9 * alsa-tools/sb16_csp/ 10 */ 11 12 #include <linux/delay.h> 13 #include <linux/init.h> 14 #include <linux/slab.h> 15 #include <linux/module.h> 16 #include <sound/core.h> 17 #include <sound/control.h> 18 #include <sound/info.h> 19 #include <sound/sb16_csp.h> 20 #include <sound/initval.h> 21 22 MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>"); 23 MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor"); 24 MODULE_LICENSE("GPL"); 25 MODULE_FIRMWARE("sb16/mulaw_main.csp"); 26 MODULE_FIRMWARE("sb16/alaw_main.csp"); 27 MODULE_FIRMWARE("sb16/ima_adpcm_init.csp"); 28 MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp"); 29 MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp"); 30 31 #ifdef SNDRV_LITTLE_ENDIAN 32 #define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24)) 33 #else 34 #define CSP_HDR_VALUE(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24)) 35 #endif 36 37 #define RIFF_HEADER CSP_HDR_VALUE('R', 'I', 'F', 'F') 38 #define CSP__HEADER CSP_HDR_VALUE('C', 'S', 'P', ' ') 39 #define LIST_HEADER CSP_HDR_VALUE('L', 'I', 'S', 'T') 40 #define FUNC_HEADER CSP_HDR_VALUE('f', 'u', 'n', 'c') 41 #define CODE_HEADER CSP_HDR_VALUE('c', 'o', 'd', 'e') 42 #define INIT_HEADER CSP_HDR_VALUE('i', 'n', 'i', 't') 43 #define MAIN_HEADER CSP_HDR_VALUE('m', 'a', 'i', 'n') 44 45 /* 46 * RIFF data format 47 */ 48 struct riff_header { 49 __le32 name; 50 __le32 len; 51 }; 52 53 struct desc_header { 54 struct riff_header info; 55 __le16 func_nr; 56 __le16 VOC_type; 57 __le16 flags_play_rec; 58 __le16 flags_16bit_8bit; 59 __le16 flags_stereo_mono; 60 __le16 flags_rates; 61 }; 62 63 /* 64 * prototypes 65 */ 66 static void snd_sb_csp_free(struct snd_hwdep *hw); 67 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file); 68 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg); 69 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file); 70 71 static int csp_detect(struct snd_sb *chip, int *version); 72 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val); 73 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val); 74 static int read_register(struct snd_sb *chip, unsigned char reg); 75 static int set_mode_register(struct snd_sb *chip, unsigned char mode); 76 static int get_version(struct snd_sb *chip); 77 78 static int snd_sb_csp_riff_load(struct snd_sb_csp * p, 79 struct snd_sb_csp_microcode __user * code); 80 static int snd_sb_csp_unload(struct snd_sb_csp * p); 81 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags); 82 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode); 83 static int snd_sb_csp_check_version(struct snd_sb_csp * p); 84 85 static int snd_sb_csp_use(struct snd_sb_csp * p); 86 static int snd_sb_csp_unuse(struct snd_sb_csp * p); 87 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels); 88 static int snd_sb_csp_stop(struct snd_sb_csp * p); 89 static int snd_sb_csp_pause(struct snd_sb_csp * p); 90 static int snd_sb_csp_restart(struct snd_sb_csp * p); 91 92 static int snd_sb_qsound_build(struct snd_sb_csp * p); 93 static void snd_sb_qsound_destroy(struct snd_sb_csp * p); 94 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p); 95 96 static int init_proc_entry(struct snd_sb_csp * p, int device); 97 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer); 98 99 /* 100 * Detect CSP chip and create a new instance 101 */ 102 int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep) 103 { 104 struct snd_sb_csp *p; 105 int version; 106 int err; 107 struct snd_hwdep *hw; 108 109 if (rhwdep) 110 *rhwdep = NULL; 111 112 if (csp_detect(chip, &version)) 113 return -ENODEV; 114 115 err = snd_hwdep_new(chip->card, "SB16-CSP", device, &hw); 116 if (err < 0) 117 return err; 118 119 p = kzalloc(sizeof(*p), GFP_KERNEL); 120 if (!p) { 121 snd_device_free(chip->card, hw); 122 return -ENOMEM; 123 } 124 p->chip = chip; 125 p->version = version; 126 127 /* CSP operators */ 128 p->ops.csp_use = snd_sb_csp_use; 129 p->ops.csp_unuse = snd_sb_csp_unuse; 130 p->ops.csp_autoload = snd_sb_csp_autoload; 131 p->ops.csp_start = snd_sb_csp_start; 132 p->ops.csp_stop = snd_sb_csp_stop; 133 p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer; 134 135 mutex_init(&p->access_mutex); 136 sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f)); 137 hw->iface = SNDRV_HWDEP_IFACE_SB16CSP; 138 hw->private_data = p; 139 hw->private_free = snd_sb_csp_free; 140 141 /* operators - only write/ioctl */ 142 hw->ops.open = snd_sb_csp_open; 143 hw->ops.ioctl = snd_sb_csp_ioctl; 144 hw->ops.release = snd_sb_csp_release; 145 146 /* create a proc entry */ 147 init_proc_entry(p, device); 148 if (rhwdep) 149 *rhwdep = hw; 150 return 0; 151 } 152 153 /* 154 * free_private for hwdep instance 155 */ 156 static void snd_sb_csp_free(struct snd_hwdep *hwdep) 157 { 158 int i; 159 struct snd_sb_csp *p = hwdep->private_data; 160 if (p) { 161 if (p->running & SNDRV_SB_CSP_ST_RUNNING) 162 snd_sb_csp_stop(p); 163 for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i) 164 release_firmware(p->csp_programs[i]); 165 kfree(p); 166 } 167 } 168 169 /* ------------------------------ */ 170 171 /* 172 * open the device exclusively 173 */ 174 static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file) 175 { 176 struct snd_sb_csp *p = hw->private_data; 177 return (snd_sb_csp_use(p)); 178 } 179 180 /* 181 * ioctl for hwdep device: 182 */ 183 static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg) 184 { 185 struct snd_sb_csp *p = hw->private_data; 186 struct snd_sb_csp_info info; 187 struct snd_sb_csp_start start_info; 188 int err; 189 190 if (snd_BUG_ON(!p)) 191 return -EINVAL; 192 193 if (snd_sb_csp_check_version(p)) 194 return -ENODEV; 195 196 switch (cmd) { 197 /* get information */ 198 case SNDRV_SB_CSP_IOCTL_INFO: 199 memset(&info, 0, sizeof(info)); 200 *info.codec_name = *p->codec_name; 201 info.func_nr = p->func_nr; 202 info.acc_format = p->acc_format; 203 info.acc_channels = p->acc_channels; 204 info.acc_width = p->acc_width; 205 info.acc_rates = p->acc_rates; 206 info.csp_mode = p->mode; 207 info.run_channels = p->run_channels; 208 info.run_width = p->run_width; 209 info.version = p->version; 210 info.state = p->running; 211 if (copy_to_user((void __user *)arg, &info, sizeof(info))) 212 err = -EFAULT; 213 else 214 err = 0; 215 break; 216 217 /* load CSP microcode */ 218 case SNDRV_SB_CSP_IOCTL_LOAD_CODE: 219 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? 220 -EBUSY : snd_sb_csp_riff_load(p, (struct snd_sb_csp_microcode __user *) arg)); 221 break; 222 case SNDRV_SB_CSP_IOCTL_UNLOAD_CODE: 223 err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? 224 -EBUSY : snd_sb_csp_unload(p)); 225 break; 226 227 /* change CSP running state */ 228 case SNDRV_SB_CSP_IOCTL_START: 229 if (copy_from_user(&start_info, (void __user *) arg, sizeof(start_info))) 230 err = -EFAULT; 231 else 232 err = snd_sb_csp_start(p, start_info.sample_width, start_info.channels); 233 break; 234 case SNDRV_SB_CSP_IOCTL_STOP: 235 err = snd_sb_csp_stop(p); 236 break; 237 case SNDRV_SB_CSP_IOCTL_PAUSE: 238 err = snd_sb_csp_pause(p); 239 break; 240 case SNDRV_SB_CSP_IOCTL_RESTART: 241 err = snd_sb_csp_restart(p); 242 break; 243 default: 244 err = -ENOTTY; 245 break; 246 } 247 248 return err; 249 } 250 251 /* 252 * close the device 253 */ 254 static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file) 255 { 256 struct snd_sb_csp *p = hw->private_data; 257 return (snd_sb_csp_unuse(p)); 258 } 259 260 /* ------------------------------ */ 261 262 /* 263 * acquire device 264 */ 265 static int snd_sb_csp_use(struct snd_sb_csp * p) 266 { 267 mutex_lock(&p->access_mutex); 268 if (p->used) { 269 mutex_unlock(&p->access_mutex); 270 return -EAGAIN; 271 } 272 p->used++; 273 mutex_unlock(&p->access_mutex); 274 275 return 0; 276 277 } 278 279 /* 280 * release device 281 */ 282 static int snd_sb_csp_unuse(struct snd_sb_csp * p) 283 { 284 mutex_lock(&p->access_mutex); 285 p->used--; 286 mutex_unlock(&p->access_mutex); 287 288 return 0; 289 } 290 291 /* 292 * load microcode via ioctl: 293 * code is user-space pointer 294 */ 295 static int snd_sb_csp_riff_load(struct snd_sb_csp * p, 296 struct snd_sb_csp_microcode __user * mcode) 297 { 298 struct snd_sb_csp_mc_header info; 299 struct device *dev = p->chip->card->dev; 300 301 unsigned char __user *data_ptr; 302 unsigned char __user *data_end; 303 unsigned short func_nr = 0; 304 305 struct riff_header file_h, item_h, code_h; 306 __le32 item_type; 307 struct desc_header funcdesc_h; 308 309 unsigned long flags; 310 int err; 311 312 if (copy_from_user(&info, mcode, sizeof(info))) 313 return -EFAULT; 314 data_ptr = mcode->data; 315 316 if (copy_from_user(&file_h, data_ptr, sizeof(file_h))) 317 return -EFAULT; 318 if ((le32_to_cpu(file_h.name) != RIFF_HEADER) || 319 (le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) { 320 dev_dbg(dev, "%s: Invalid RIFF header\n", __func__); 321 return -EINVAL; 322 } 323 data_ptr += sizeof(file_h); 324 data_end = data_ptr + le32_to_cpu(file_h.len); 325 326 if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) 327 return -EFAULT; 328 if (le32_to_cpu(item_type) != CSP__HEADER) { 329 dev_dbg(dev, "%s: Invalid RIFF file type\n", __func__); 330 return -EINVAL; 331 } 332 data_ptr += sizeof (item_type); 333 334 for (; data_ptr < data_end; data_ptr += le32_to_cpu(item_h.len)) { 335 if (copy_from_user(&item_h, data_ptr, sizeof(item_h))) 336 return -EFAULT; 337 data_ptr += sizeof(item_h); 338 if (le32_to_cpu(item_h.name) != LIST_HEADER) 339 continue; 340 341 if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) 342 return -EFAULT; 343 switch (le32_to_cpu(item_type)) { 344 case FUNC_HEADER: 345 if (copy_from_user(&funcdesc_h, data_ptr + sizeof(item_type), sizeof(funcdesc_h))) 346 return -EFAULT; 347 func_nr = le16_to_cpu(funcdesc_h.func_nr); 348 break; 349 case CODE_HEADER: 350 if (func_nr != info.func_req) 351 break; /* not required function, try next */ 352 data_ptr += sizeof(item_type); 353 354 /* destroy QSound mixer element */ 355 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { 356 snd_sb_qsound_destroy(p); 357 } 358 /* Clear all flags */ 359 p->running = 0; 360 p->mode = 0; 361 362 /* load microcode blocks */ 363 for (;;) { 364 if (data_ptr >= data_end) 365 return -EINVAL; 366 if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) 367 return -EFAULT; 368 369 /* init microcode blocks */ 370 if (le32_to_cpu(code_h.name) != INIT_HEADER) 371 break; 372 data_ptr += sizeof(code_h); 373 err = snd_sb_csp_load_user(p, data_ptr, le32_to_cpu(code_h.len), 374 SNDRV_SB_CSP_LOAD_INITBLOCK); 375 if (err) 376 return err; 377 data_ptr += le32_to_cpu(code_h.len); 378 } 379 /* main microcode block */ 380 if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) 381 return -EFAULT; 382 383 if (le32_to_cpu(code_h.name) != MAIN_HEADER) { 384 dev_dbg(dev, "%s: Missing 'main' microcode\n", __func__); 385 return -EINVAL; 386 } 387 data_ptr += sizeof(code_h); 388 err = snd_sb_csp_load_user(p, data_ptr, 389 le32_to_cpu(code_h.len), 0); 390 if (err) 391 return err; 392 393 /* fill in codec header */ 394 strscpy(p->codec_name, info.codec_name, sizeof(p->codec_name)); 395 p->func_nr = func_nr; 396 p->mode = le16_to_cpu(funcdesc_h.flags_play_rec); 397 switch (le16_to_cpu(funcdesc_h.VOC_type)) { 398 case 0x0001: /* QSound decoder */ 399 if (le16_to_cpu(funcdesc_h.flags_play_rec) == SNDRV_SB_CSP_MODE_DSP_WRITE) { 400 if (snd_sb_qsound_build(p) == 0) 401 /* set QSound flag and clear all other mode flags */ 402 p->mode = SNDRV_SB_CSP_MODE_QSOUND; 403 } 404 p->acc_format = 0; 405 break; 406 case 0x0006: /* A Law codec */ 407 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; 408 break; 409 case 0x0007: /* Mu Law codec */ 410 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; 411 break; 412 case 0x0011: /* what Creative thinks is IMA ADPCM codec */ 413 case 0x0200: /* Creative ADPCM codec */ 414 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; 415 break; 416 case 201: /* Text 2 Speech decoder */ 417 /* TODO: Text2Speech handling routines */ 418 p->acc_format = 0; 419 break; 420 case 0x0202: /* Fast Speech 8 codec */ 421 case 0x0203: /* Fast Speech 10 codec */ 422 p->acc_format = SNDRV_PCM_FMTBIT_SPECIAL; 423 break; 424 default: /* other codecs are unsupported */ 425 p->acc_format = p->acc_width = p->acc_rates = 0; 426 p->mode = 0; 427 dev_dbg(dev, "%s: Unsupported CSP codec type: 0x%04x\n", 428 __func__, 429 le16_to_cpu(funcdesc_h.VOC_type)); 430 return -EINVAL; 431 } 432 p->acc_channels = le16_to_cpu(funcdesc_h.flags_stereo_mono); 433 p->acc_width = le16_to_cpu(funcdesc_h.flags_16bit_8bit); 434 p->acc_rates = le16_to_cpu(funcdesc_h.flags_rates); 435 436 /* Decouple CSP from IRQ and DMAREQ lines */ 437 spin_lock_irqsave(&p->chip->reg_lock, flags); 438 set_mode_register(p->chip, 0xfc); 439 set_mode_register(p->chip, 0x00); 440 spin_unlock_irqrestore(&p->chip->reg_lock, flags); 441 442 /* finished loading successfully */ 443 p->running = SNDRV_SB_CSP_ST_LOADED; /* set LOADED flag */ 444 return 0; 445 } 446 } 447 dev_dbg(dev, "%s: Function #%d not found\n", __func__, info.func_req); 448 return -EINVAL; 449 } 450 451 /* 452 * unload CSP microcode 453 */ 454 static int snd_sb_csp_unload(struct snd_sb_csp * p) 455 { 456 if (p->running & SNDRV_SB_CSP_ST_RUNNING) 457 return -EBUSY; 458 if (!(p->running & SNDRV_SB_CSP_ST_LOADED)) 459 return -ENXIO; 460 461 /* clear supported formats */ 462 p->acc_format = 0; 463 p->acc_channels = p->acc_width = p->acc_rates = 0; 464 /* destroy QSound mixer element */ 465 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { 466 snd_sb_qsound_destroy(p); 467 } 468 /* clear all flags */ 469 p->running = 0; 470 p->mode = 0; 471 return 0; 472 } 473 474 /* 475 * send command sequence to DSP 476 */ 477 static inline int command_seq(struct snd_sb *chip, const unsigned char *seq, int size) 478 { 479 int i; 480 for (i = 0; i < size; i++) { 481 if (!snd_sbdsp_command(chip, seq[i])) 482 return -EIO; 483 } 484 return 0; 485 } 486 487 /* 488 * set CSP codec parameter 489 */ 490 static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val) 491 { 492 unsigned char dsp_cmd[3]; 493 494 dsp_cmd[0] = 0x05; /* CSP set codec parameter */ 495 dsp_cmd[1] = val; /* Parameter value */ 496 dsp_cmd[2] = par; /* Parameter */ 497 command_seq(chip, dsp_cmd, 3); 498 snd_sbdsp_command(chip, 0x03); /* DSP read? */ 499 if (snd_sbdsp_get_byte(chip) != par) 500 return -EIO; 501 return 0; 502 } 503 504 /* 505 * set CSP register 506 */ 507 static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val) 508 { 509 unsigned char dsp_cmd[3]; 510 511 dsp_cmd[0] = 0x0e; /* CSP set register */ 512 dsp_cmd[1] = reg; /* CSP Register */ 513 dsp_cmd[2] = val; /* value */ 514 return command_seq(chip, dsp_cmd, 3); 515 } 516 517 /* 518 * read CSP register 519 * return < 0 -> error 520 */ 521 static int read_register(struct snd_sb *chip, unsigned char reg) 522 { 523 unsigned char dsp_cmd[2]; 524 525 dsp_cmd[0] = 0x0f; /* CSP read register */ 526 dsp_cmd[1] = reg; /* CSP Register */ 527 command_seq(chip, dsp_cmd, 2); 528 return snd_sbdsp_get_byte(chip); /* Read DSP value */ 529 } 530 531 /* 532 * set CSP mode register 533 */ 534 static int set_mode_register(struct snd_sb *chip, unsigned char mode) 535 { 536 unsigned char dsp_cmd[2]; 537 538 dsp_cmd[0] = 0x04; /* CSP set mode register */ 539 dsp_cmd[1] = mode; /* mode */ 540 return command_seq(chip, dsp_cmd, 2); 541 } 542 543 /* 544 * Detect CSP 545 * return 0 if CSP exists. 546 */ 547 static int csp_detect(struct snd_sb *chip, int *version) 548 { 549 unsigned char csp_test1, csp_test2; 550 unsigned long flags; 551 int result = -ENODEV; 552 553 spin_lock_irqsave(&chip->reg_lock, flags); 554 555 set_codec_parameter(chip, 0x00, 0x00); 556 set_mode_register(chip, 0xfc); /* 0xfc = ?? */ 557 558 csp_test1 = read_register(chip, 0x83); 559 set_register(chip, 0x83, ~csp_test1); 560 csp_test2 = read_register(chip, 0x83); 561 if (csp_test2 != (csp_test1 ^ 0xff)) 562 goto __fail; 563 564 set_register(chip, 0x83, csp_test1); 565 csp_test2 = read_register(chip, 0x83); 566 if (csp_test2 != csp_test1) 567 goto __fail; 568 569 set_mode_register(chip, 0x00); /* 0x00 = ? */ 570 571 *version = get_version(chip); 572 snd_sbdsp_reset(chip); /* reset DSP after getversion! */ 573 if (*version >= 0x10 && *version <= 0x1f) 574 result = 0; /* valid version id */ 575 576 __fail: 577 spin_unlock_irqrestore(&chip->reg_lock, flags); 578 return result; 579 } 580 581 /* 582 * get CSP version number 583 */ 584 static int get_version(struct snd_sb *chip) 585 { 586 unsigned char dsp_cmd[2]; 587 588 dsp_cmd[0] = 0x08; /* SB_DSP_!something! */ 589 dsp_cmd[1] = 0x03; /* get chip version id? */ 590 command_seq(chip, dsp_cmd, 2); 591 592 return (snd_sbdsp_get_byte(chip)); 593 } 594 595 /* 596 * check if the CSP version is valid 597 */ 598 static int snd_sb_csp_check_version(struct snd_sb_csp * p) 599 { 600 if (p->version < 0x10 || p->version > 0x1f) { 601 dev_dbg(p->chip->card->dev, 602 "%s: Invalid CSP version: 0x%x\n", 603 __func__, p->version); 604 return 1; 605 } 606 return 0; 607 } 608 609 /* 610 * download microcode to CSP (microcode should have one "main" block). 611 */ 612 static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int size, int load_flags) 613 { 614 int status, i; 615 int err; 616 int result = -EIO; 617 unsigned long flags; 618 619 spin_lock_irqsave(&p->chip->reg_lock, flags); 620 snd_sbdsp_command(p->chip, 0x01); /* CSP download command */ 621 if (snd_sbdsp_get_byte(p->chip)) { 622 dev_dbg(p->chip->card->dev, "%s: Download command failed\n", __func__); 623 goto __fail; 624 } 625 /* Send CSP low byte (size - 1) */ 626 snd_sbdsp_command(p->chip, (unsigned char)(size - 1)); 627 /* Send high byte */ 628 snd_sbdsp_command(p->chip, (unsigned char)((size - 1) >> 8)); 629 /* send microcode sequence */ 630 /* load from kernel space */ 631 while (size--) { 632 if (!snd_sbdsp_command(p->chip, *buf++)) 633 goto __fail; 634 } 635 if (snd_sbdsp_get_byte(p->chip)) 636 goto __fail; 637 638 if (load_flags & SNDRV_SB_CSP_LOAD_INITBLOCK) { 639 i = 0; 640 /* some codecs (FastSpeech) take some time to initialize */ 641 while (1) { 642 snd_sbdsp_command(p->chip, 0x03); 643 status = snd_sbdsp_get_byte(p->chip); 644 if (status == 0x55 || ++i >= 10) 645 break; 646 udelay (10); 647 } 648 if (status != 0x55) { 649 dev_dbg(p->chip->card->dev, 650 "%s: Microcode initialization failed\n", 651 __func__); 652 goto __fail; 653 } 654 } else { 655 /* 656 * Read mixer register SB_DSP4_DMASETUP after loading 'main' code. 657 * Start CSP chip if no 16bit DMA channel is set - some kind 658 * of autorun or perhaps a bugfix? 659 */ 660 spin_lock(&p->chip->mixer_lock); 661 status = snd_sbmixer_read(p->chip, SB_DSP4_DMASETUP); 662 spin_unlock(&p->chip->mixer_lock); 663 if (!(status & (SB_DMASETUP_DMA7 | SB_DMASETUP_DMA6 | SB_DMASETUP_DMA5))) { 664 err = (set_codec_parameter(p->chip, 0xaa, 0x00) || 665 set_codec_parameter(p->chip, 0xff, 0x00)); 666 snd_sbdsp_reset(p->chip); /* really! */ 667 if (err) 668 goto __fail; 669 set_mode_register(p->chip, 0xc0); /* c0 = STOP */ 670 set_mode_register(p->chip, 0x70); /* 70 = RUN */ 671 } 672 } 673 result = 0; 674 675 __fail: 676 spin_unlock_irqrestore(&p->chip->reg_lock, flags); 677 return result; 678 } 679 680 static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags) 681 { 682 int err; 683 unsigned char *kbuf; 684 685 kbuf = memdup_user(buf, size); 686 if (IS_ERR(kbuf)) 687 return PTR_ERR(kbuf); 688 689 err = snd_sb_csp_load(p, kbuf, size, load_flags); 690 691 kfree(kbuf); 692 return err; 693 } 694 695 static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags) 696 { 697 static const char *const names[] = { 698 "sb16/mulaw_main.csp", 699 "sb16/alaw_main.csp", 700 "sb16/ima_adpcm_init.csp", 701 "sb16/ima_adpcm_playback.csp", 702 "sb16/ima_adpcm_capture.csp", 703 }; 704 const struct firmware *program; 705 706 BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT); 707 program = p->csp_programs[index]; 708 if (!program) { 709 int err = request_firmware(&program, names[index], 710 p->chip->card->dev); 711 if (err < 0) 712 return err; 713 p->csp_programs[index] = program; 714 } 715 return snd_sb_csp_load(p, program->data, program->size, flags); 716 } 717 718 /* 719 * autoload hardware codec if necessary 720 * return 0 if CSP is loaded and ready to run (p->running != 0) 721 */ 722 static int snd_sb_csp_autoload(struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode) 723 { 724 unsigned long flags; 725 int err = 0; 726 727 /* if CSP is running or manually loaded then exit */ 728 if (p->running & (SNDRV_SB_CSP_ST_RUNNING | SNDRV_SB_CSP_ST_LOADED)) 729 return -EBUSY; 730 731 /* autoload microcode only if requested hardware codec is not already loaded */ 732 if (((1U << (__force int)pcm_sfmt) & p->acc_format) && (play_rec_mode & p->mode)) { 733 p->running = SNDRV_SB_CSP_ST_AUTO; 734 } else { 735 switch (pcm_sfmt) { 736 case SNDRV_PCM_FORMAT_MU_LAW: 737 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0); 738 p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; 739 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; 740 break; 741 case SNDRV_PCM_FORMAT_A_LAW: 742 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0); 743 p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; 744 p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; 745 break; 746 case SNDRV_PCM_FORMAT_IMA_ADPCM: 747 err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT, 748 SNDRV_SB_CSP_LOAD_INITBLOCK); 749 if (err) 750 break; 751 if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) { 752 err = snd_sb_csp_firmware_load 753 (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0); 754 p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE; 755 } else { 756 err = snd_sb_csp_firmware_load 757 (p, CSP_PROGRAM_ADPCM_CAPTURE, 0); 758 p->mode = SNDRV_SB_CSP_MODE_DSP_READ; 759 } 760 p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; 761 break; 762 default: 763 /* Decouple CSP from IRQ and DMAREQ lines */ 764 if (p->running & SNDRV_SB_CSP_ST_AUTO) { 765 spin_lock_irqsave(&p->chip->reg_lock, flags); 766 set_mode_register(p->chip, 0xfc); 767 set_mode_register(p->chip, 0x00); 768 spin_unlock_irqrestore(&p->chip->reg_lock, flags); 769 p->running = 0; /* clear autoloaded flag */ 770 } 771 return -EINVAL; 772 } 773 if (err) { 774 p->acc_format = 0; 775 p->acc_channels = p->acc_width = p->acc_rates = 0; 776 777 p->running = 0; /* clear autoloaded flag */ 778 p->mode = 0; 779 return (err); 780 } else { 781 p->running = SNDRV_SB_CSP_ST_AUTO; /* set autoloaded flag */ 782 p->acc_width = SNDRV_SB_CSP_SAMPLE_16BIT; /* only 16 bit data */ 783 p->acc_channels = SNDRV_SB_CSP_MONO | SNDRV_SB_CSP_STEREO; 784 p->acc_rates = SNDRV_SB_CSP_RATE_ALL; /* HW codecs accept all rates */ 785 } 786 787 } 788 return (p->running & SNDRV_SB_CSP_ST_AUTO) ? 0 : -ENXIO; 789 } 790 791 /* 792 * start CSP 793 */ 794 static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels) 795 { 796 struct device *dev = p->chip->card->dev; 797 unsigned char s_type; /* sample type */ 798 unsigned char mixL, mixR; 799 int result = -EIO; 800 unsigned long flags; 801 802 if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) { 803 dev_dbg(dev, "%s: Microcode not loaded\n", __func__); 804 return -ENXIO; 805 } 806 if (p->running & SNDRV_SB_CSP_ST_RUNNING) { 807 dev_dbg(dev, "%s: CSP already running\n", __func__); 808 return -EBUSY; 809 } 810 if (!(sample_width & p->acc_width)) { 811 dev_dbg(dev, "%s: Unsupported PCM sample width\n", __func__); 812 return -EINVAL; 813 } 814 if (!(channels & p->acc_channels)) { 815 dev_dbg(dev, "%s: Invalid number of channels\n", __func__); 816 return -EINVAL; 817 } 818 819 /* Mute PCM volume */ 820 spin_lock_irqsave(&p->chip->mixer_lock, flags); 821 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); 822 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); 823 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); 824 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); 825 spin_unlock_irqrestore(&p->chip->mixer_lock, flags); 826 827 spin_lock(&p->chip->reg_lock); 828 set_mode_register(p->chip, 0xc0); /* c0 = STOP */ 829 set_mode_register(p->chip, 0x70); /* 70 = RUN */ 830 831 s_type = 0x00; 832 if (channels == SNDRV_SB_CSP_MONO) 833 s_type = 0x11; /* 000n 000n (n = 1 if mono) */ 834 if (sample_width == SNDRV_SB_CSP_SAMPLE_8BIT) 835 s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */ 836 837 if (set_codec_parameter(p->chip, 0x81, s_type)) { 838 dev_dbg(dev, "%s: Set sample type command failed\n", __func__); 839 goto __fail; 840 } 841 if (set_codec_parameter(p->chip, 0x80, 0x00)) { 842 dev_dbg(dev, "%s: Codec start command failed\n", __func__); 843 goto __fail; 844 } 845 p->run_width = sample_width; 846 p->run_channels = channels; 847 848 p->running |= SNDRV_SB_CSP_ST_RUNNING; 849 850 if (p->mode & SNDRV_SB_CSP_MODE_QSOUND) { 851 set_codec_parameter(p->chip, 0xe0, 0x01); 852 /* enable QSound decoder */ 853 set_codec_parameter(p->chip, 0x00, 0xff); 854 set_codec_parameter(p->chip, 0x01, 0xff); 855 p->running |= SNDRV_SB_CSP_ST_QSOUND; 856 /* set QSound startup value */ 857 snd_sb_csp_qsound_transfer(p); 858 } 859 result = 0; 860 861 __fail: 862 spin_unlock(&p->chip->reg_lock); 863 864 /* restore PCM volume */ 865 spin_lock_irqsave(&p->chip->mixer_lock, flags); 866 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); 867 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); 868 spin_unlock_irqrestore(&p->chip->mixer_lock, flags); 869 870 return result; 871 } 872 873 /* 874 * stop CSP 875 */ 876 static int snd_sb_csp_stop(struct snd_sb_csp * p) 877 { 878 int result; 879 unsigned char mixL, mixR; 880 unsigned long flags; 881 882 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) 883 return 0; 884 885 /* Mute PCM volume */ 886 spin_lock_irqsave(&p->chip->mixer_lock, flags); 887 mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); 888 mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); 889 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); 890 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); 891 spin_unlock_irqrestore(&p->chip->mixer_lock, flags); 892 893 spin_lock(&p->chip->reg_lock); 894 if (p->running & SNDRV_SB_CSP_ST_QSOUND) { 895 set_codec_parameter(p->chip, 0xe0, 0x01); 896 /* disable QSound decoder */ 897 set_codec_parameter(p->chip, 0x00, 0x00); 898 set_codec_parameter(p->chip, 0x01, 0x00); 899 900 p->running &= ~SNDRV_SB_CSP_ST_QSOUND; 901 } 902 result = set_mode_register(p->chip, 0xc0); /* c0 = STOP */ 903 spin_unlock(&p->chip->reg_lock); 904 905 /* restore PCM volume */ 906 spin_lock_irqsave(&p->chip->mixer_lock, flags); 907 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); 908 snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); 909 spin_unlock_irqrestore(&p->chip->mixer_lock, flags); 910 911 if (!(result)) 912 p->running &= ~(SNDRV_SB_CSP_ST_PAUSED | SNDRV_SB_CSP_ST_RUNNING); 913 return result; 914 } 915 916 /* 917 * pause CSP codec and hold DMA transfer 918 */ 919 static int snd_sb_csp_pause(struct snd_sb_csp * p) 920 { 921 int result; 922 unsigned long flags; 923 924 if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) 925 return -EBUSY; 926 927 spin_lock_irqsave(&p->chip->reg_lock, flags); 928 result = set_codec_parameter(p->chip, 0x80, 0xff); 929 spin_unlock_irqrestore(&p->chip->reg_lock, flags); 930 if (!(result)) 931 p->running |= SNDRV_SB_CSP_ST_PAUSED; 932 933 return result; 934 } 935 936 /* 937 * restart CSP codec and resume DMA transfer 938 */ 939 static int snd_sb_csp_restart(struct snd_sb_csp * p) 940 { 941 int result; 942 unsigned long flags; 943 944 if (!(p->running & SNDRV_SB_CSP_ST_PAUSED)) 945 return -EBUSY; 946 947 spin_lock_irqsave(&p->chip->reg_lock, flags); 948 result = set_codec_parameter(p->chip, 0x80, 0x00); 949 spin_unlock_irqrestore(&p->chip->reg_lock, flags); 950 if (!(result)) 951 p->running &= ~SNDRV_SB_CSP_ST_PAUSED; 952 953 return result; 954 } 955 956 /* ------------------------------ */ 957 958 /* 959 * QSound mixer control for PCM 960 */ 961 962 #define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info 963 964 static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 965 { 966 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); 967 968 ucontrol->value.integer.value[0] = p->q_enabled ? 1 : 0; 969 return 0; 970 } 971 972 static int snd_sb_qsound_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 973 { 974 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); 975 unsigned long flags; 976 int change; 977 unsigned char nval; 978 979 nval = ucontrol->value.integer.value[0] & 0x01; 980 spin_lock_irqsave(&p->q_lock, flags); 981 change = p->q_enabled != nval; 982 p->q_enabled = nval; 983 spin_unlock_irqrestore(&p->q_lock, flags); 984 return change; 985 } 986 987 static int snd_sb_qsound_space_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 988 { 989 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 990 uinfo->count = 2; 991 uinfo->value.integer.min = 0; 992 uinfo->value.integer.max = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; 993 return 0; 994 } 995 996 static int snd_sb_qsound_space_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 997 { 998 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); 999 unsigned long flags; 1000 1001 spin_lock_irqsave(&p->q_lock, flags); 1002 ucontrol->value.integer.value[0] = p->qpos_left; 1003 ucontrol->value.integer.value[1] = p->qpos_right; 1004 spin_unlock_irqrestore(&p->q_lock, flags); 1005 return 0; 1006 } 1007 1008 static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1009 { 1010 struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); 1011 unsigned long flags; 1012 int change; 1013 unsigned char nval1, nval2; 1014 1015 nval1 = ucontrol->value.integer.value[0]; 1016 if (nval1 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) 1017 nval1 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; 1018 nval2 = ucontrol->value.integer.value[1]; 1019 if (nval2 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) 1020 nval2 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; 1021 spin_lock_irqsave(&p->q_lock, flags); 1022 change = p->qpos_left != nval1 || p->qpos_right != nval2; 1023 p->qpos_left = nval1; 1024 p->qpos_right = nval2; 1025 p->qpos_changed = change; 1026 spin_unlock_irqrestore(&p->q_lock, flags); 1027 return change; 1028 } 1029 1030 static const struct snd_kcontrol_new snd_sb_qsound_switch = { 1031 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1032 .name = "3D Control - Switch", 1033 .info = snd_sb_qsound_switch_info, 1034 .get = snd_sb_qsound_switch_get, 1035 .put = snd_sb_qsound_switch_put 1036 }; 1037 1038 static const struct snd_kcontrol_new snd_sb_qsound_space = { 1039 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1040 .name = "3D Control - Space", 1041 .info = snd_sb_qsound_space_info, 1042 .get = snd_sb_qsound_space_get, 1043 .put = snd_sb_qsound_space_put 1044 }; 1045 1046 static int snd_sb_qsound_build(struct snd_sb_csp * p) 1047 { 1048 struct snd_card *card; 1049 struct snd_kcontrol *kctl; 1050 int err; 1051 1052 if (snd_BUG_ON(!p)) 1053 return -EINVAL; 1054 1055 card = p->chip->card; 1056 p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2; 1057 p->qpos_changed = 0; 1058 1059 spin_lock_init(&p->q_lock); 1060 1061 kctl = snd_ctl_new1(&snd_sb_qsound_switch, p); 1062 err = snd_ctl_add(card, kctl); 1063 if (err < 0) 1064 goto __error; 1065 p->qsound_switch = kctl; 1066 kctl = snd_ctl_new1(&snd_sb_qsound_space, p); 1067 err = snd_ctl_add(card, kctl); 1068 if (err < 0) 1069 goto __error; 1070 p->qsound_space = kctl; 1071 1072 return 0; 1073 1074 __error: 1075 snd_sb_qsound_destroy(p); 1076 return err; 1077 } 1078 1079 static void snd_sb_qsound_destroy(struct snd_sb_csp * p) 1080 { 1081 struct snd_card *card; 1082 unsigned long flags; 1083 1084 if (snd_BUG_ON(!p)) 1085 return; 1086 1087 card = p->chip->card; 1088 1089 snd_ctl_remove(card, p->qsound_switch); 1090 p->qsound_switch = NULL; 1091 snd_ctl_remove(card, p->qsound_space); 1092 p->qsound_space = NULL; 1093 1094 /* cancel pending transfer of QSound parameters */ 1095 spin_lock_irqsave (&p->q_lock, flags); 1096 p->qpos_changed = 0; 1097 spin_unlock_irqrestore (&p->q_lock, flags); 1098 } 1099 1100 /* 1101 * Transfer qsound parameters to CSP, 1102 * function should be called from interrupt routine 1103 */ 1104 static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p) 1105 { 1106 int err = -ENXIO; 1107 1108 spin_lock(&p->q_lock); 1109 if (p->running & SNDRV_SB_CSP_ST_QSOUND) { 1110 set_codec_parameter(p->chip, 0xe0, 0x01); 1111 /* left channel */ 1112 set_codec_parameter(p->chip, 0x00, p->qpos_left); 1113 set_codec_parameter(p->chip, 0x02, 0x00); 1114 /* right channel */ 1115 set_codec_parameter(p->chip, 0x00, p->qpos_right); 1116 set_codec_parameter(p->chip, 0x03, 0x00); 1117 err = 0; 1118 } 1119 p->qpos_changed = 0; 1120 spin_unlock(&p->q_lock); 1121 return err; 1122 } 1123 1124 /* ------------------------------ */ 1125 1126 /* 1127 * proc interface 1128 */ 1129 static int init_proc_entry(struct snd_sb_csp * p, int device) 1130 { 1131 char name[16]; 1132 1133 sprintf(name, "cspD%d", device); 1134 snd_card_ro_proc_new(p->chip->card, name, p, info_read); 1135 return 0; 1136 } 1137 1138 static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) 1139 { 1140 struct snd_sb_csp *p = entry->private_data; 1141 1142 snd_iprintf(buffer, "Creative Signal Processor [v%d.%d]\n", (p->version >> 4), (p->version & 0x0f)); 1143 snd_iprintf(buffer, "State: %cx%c%c%c\n", ((p->running & SNDRV_SB_CSP_ST_QSOUND) ? 'Q' : '-'), 1144 ((p->running & SNDRV_SB_CSP_ST_PAUSED) ? 'P' : '-'), 1145 ((p->running & SNDRV_SB_CSP_ST_RUNNING) ? 'R' : '-'), 1146 ((p->running & SNDRV_SB_CSP_ST_LOADED) ? 'L' : '-')); 1147 if (p->running & SNDRV_SB_CSP_ST_LOADED) { 1148 snd_iprintf(buffer, "Codec: %s [func #%d]\n", p->codec_name, p->func_nr); 1149 snd_iprintf(buffer, "Sample rates: "); 1150 if (p->acc_rates == SNDRV_SB_CSP_RATE_ALL) { 1151 snd_iprintf(buffer, "All\n"); 1152 } else { 1153 snd_iprintf(buffer, "%s%s%s%s\n", 1154 ((p->acc_rates & SNDRV_SB_CSP_RATE_8000) ? "8000Hz " : ""), 1155 ((p->acc_rates & SNDRV_SB_CSP_RATE_11025) ? "11025Hz " : ""), 1156 ((p->acc_rates & SNDRV_SB_CSP_RATE_22050) ? "22050Hz " : ""), 1157 ((p->acc_rates & SNDRV_SB_CSP_RATE_44100) ? "44100Hz" : "")); 1158 } 1159 if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { 1160 snd_iprintf(buffer, "QSound decoder %sabled\n", 1161 p->q_enabled ? "en" : "dis"); 1162 } else { 1163 snd_iprintf(buffer, "PCM format ID: 0x%x (%s/%s) [%s/%s] [%s/%s]\n", 1164 p->acc_format, 1165 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? "16bit" : "-"), 1166 ((p->acc_width & SNDRV_SB_CSP_SAMPLE_8BIT) ? "8bit" : "-"), 1167 ((p->acc_channels & SNDRV_SB_CSP_MONO) ? "mono" : "-"), 1168 ((p->acc_channels & SNDRV_SB_CSP_STEREO) ? "stereo" : "-"), 1169 ((p->mode & SNDRV_SB_CSP_MODE_DSP_WRITE) ? "playback" : "-"), 1170 ((p->mode & SNDRV_SB_CSP_MODE_DSP_READ) ? "capture" : "-")); 1171 } 1172 } 1173 if (p->running & SNDRV_SB_CSP_ST_AUTO) { 1174 snd_iprintf(buffer, "Autoloaded Mu-Law, A-Law or Ima-ADPCM hardware codec\n"); 1175 } 1176 if (p->running & SNDRV_SB_CSP_ST_RUNNING) { 1177 snd_iprintf(buffer, "Processing %dbit %s PCM samples\n", 1178 ((p->run_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? 16 : 8), 1179 ((p->run_channels & SNDRV_SB_CSP_MONO) ? "mono" : "stereo")); 1180 } 1181 if (p->running & SNDRV_SB_CSP_ST_QSOUND) { 1182 snd_iprintf(buffer, "Qsound position: left = 0x%x, right = 0x%x\n", 1183 p->qpos_left, p->qpos_right); 1184 } 1185 } 1186 1187 /* */ 1188 1189 EXPORT_SYMBOL(snd_sb_csp_new); 1190