sound/isa/sb/sb16_csp.c

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