git.oblomov.eu Git - linux-2.6/blob - sound/pci/ca0106/ca0106_proc.c

   1 /*
   2  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
   3  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
   4  *  Version: 0.0.18
   5  *
   6  *  FEATURES currently supported:
   7  *    See ca0106_main.c for features.
   8  *
   9  *  Changelog:
  10  *    Support interrupts per period.
  11  *    Removed noise from Center/LFE channel when in Analog mode.
  12  *    Rename and remove mixer controls.
  13  *  0.0.6
  14  *    Use separate card based DMA buffer for periods table list.
  15  *  0.0.7
  16  *    Change remove and rename ctrls into lists.
  17  *  0.0.8
  18  *    Try to fix capture sources.
  19  *  0.0.9
  20  *    Fix AC3 output.
  21  *    Enable S32_LE format support.
  22  *  0.0.10
  23  *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
  24  *  0.0.11
  25  *    Add Model name recognition.
  26  *  0.0.12
  27  *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
  28  *    Remove redundent "voice" handling.
  29  *  0.0.13
  30  *    Single trigger call for multi channels.
  31  *  0.0.14
  32  *    Set limits based on what the sound card hardware can do.
  33  *    playback periods_min=2, periods_max=8
  34  *    capture hw constraints require period_size = n * 64 bytes.
  35  *    playback hw constraints require period_size = n * 64 bytes.
  36  *  0.0.15
  37  *    Separate ca0106.c into separate functional .c files.
  38  *  0.0.16
  39  *    Modified Copyright message.
  40  *  0.0.17
  41  *    Add iec958 file in proc file system to show status of SPDIF in.
  42  *  0.0.18
  43  *    Implement support for Line-in capture on SB Live 24bit.
  44  *
  45  *  This code was initally based on code from ALSA's emu10k1x.c which is:
  46  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
  47  *
  48  *   This program is free software; you can redistribute it and/or modify
  49  *   it under the terms of the GNU General Public License as published by
  50  *   the Free Software Foundation; either version 2 of the License, or
  51  *   (at your option) any later version.
  52  *
  53  *   This program is distributed in the hope that it will be useful,
  54  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  55  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  56  *   GNU General Public License for more details.
  57  *
  58  *   You should have received a copy of the GNU General Public License
  59  *   along with this program; if not, write to the Free Software
  60  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  61  *
  62  */
  63 #include <linux/delay.h>
  64 #include <linux/init.h>
  65 #include <linux/interrupt.h>
  66 #include <linux/slab.h>
  67 #include <linux/moduleparam.h>
  68 #include <sound/core.h>
  69 #include <sound/initval.h>
  70 #include <sound/pcm.h>
  71 #include <sound/ac97_codec.h>
  72 #include <sound/info.h>
  73 #include <sound/asoundef.h>
  74 #include <asm/io.h>
  75
  76 #include "ca0106.h"
  77
  78
  79 #ifdef CONFIG_PROC_FS
  80
  81 struct snd_ca0106_category_str {
  82         int val;
  83         const char *name;
  84 };
  85
  86 static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
  87         { IEC958_AES1_CON_DAT, "DAT" },
  88         { IEC958_AES1_CON_VCR, "VCR" },
  89         { IEC958_AES1_CON_MICROPHONE, "microphone" },
  90         { IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
  91         { IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
  92         { IEC958_AES1_CON_MIXER, "mixer" },
  93         { IEC958_AES1_CON_SAMPLER, "sampler" },
  94         { IEC958_AES1_CON_PCM_CODER, "PCM coder" },
  95         { IEC958_AES1_CON_IEC908_CD, "CD" },
  96         { IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
  97         { IEC958_AES1_CON_GENERAL, "general" },
  98 };
  99
 100
 101 static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
 102 {
 103         int i;
 104         u32 status[4];
 105         status[0] = value & 0xff;
 106         status[1] = (value >> 8) & 0xff;
 107         status[2] = (value >> 16)  & 0xff;
 108         status[3] = (value >> 24)  & 0xff;
 109
 110         if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
 111                 /* consumer */
 112                 snd_iprintf(buffer, "Mode: consumer\n");
 113                 snd_iprintf(buffer, "Data: ");
 114                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
 115                         snd_iprintf(buffer, "audio\n");
 116                 } else {
 117                         snd_iprintf(buffer, "non-audio\n");
 118                 }
 119                 snd_iprintf(buffer, "Rate: ");
 120                 switch (status[3] & IEC958_AES3_CON_FS) {
 121                 case IEC958_AES3_CON_FS_44100:
 122                         snd_iprintf(buffer, "44100 Hz\n");
 123                         break;
 124                 case IEC958_AES3_CON_FS_48000:
 125                         snd_iprintf(buffer, "48000 Hz\n");
 126                         break;
 127                 case IEC958_AES3_CON_FS_32000:
 128                         snd_iprintf(buffer, "32000 Hz\n");
 129                         break;
 130                 default:
 131                         snd_iprintf(buffer, "unknown\n");
 132                         break;
 133                 }
 134                 snd_iprintf(buffer, "Copyright: ");
 135                 if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
 136                         snd_iprintf(buffer, "permitted\n");
 137                 } else {
 138                         snd_iprintf(buffer, "protected\n");
 139                 }
 140                 snd_iprintf(buffer, "Emphasis: ");
 141                 if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
 142                         snd_iprintf(buffer, "none\n");
 143                 } else {
 144                         snd_iprintf(buffer, "50/15us\n");
 145                 }
 146                 snd_iprintf(buffer, "Category: ");
 147                 for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
 148                         if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
 149                                 snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
 150                                 break;
 151                         }
 152                 }
 153                 if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
 154                         snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
 155                 }
 156                 snd_iprintf(buffer, "Original: ");
 157                 if (status[1] & IEC958_AES1_CON_ORIGINAL) {
 158                         snd_iprintf(buffer, "original\n");
 159                 } else {
 160                         snd_iprintf(buffer, "1st generation\n");
 161                 }
 162                 snd_iprintf(buffer, "Clock: ");
 163                 switch (status[3] & IEC958_AES3_CON_CLOCK) {
 164                 case IEC958_AES3_CON_CLOCK_1000PPM:
 165                         snd_iprintf(buffer, "1000 ppm\n");
 166                         break;
 167                 case IEC958_AES3_CON_CLOCK_50PPM:
 168                         snd_iprintf(buffer, "50 ppm\n");
 169                         break;
 170                 case IEC958_AES3_CON_CLOCK_VARIABLE:
 171                         snd_iprintf(buffer, "variable pitch\n");
 172                         break;
 173                 default:
 174                         snd_iprintf(buffer, "unknown\n");
 175                         break;
 176                 }
 177         } else {
 178                 snd_iprintf(buffer, "Mode: professional\n");
 179                 snd_iprintf(buffer, "Data: ");
 180                 if (!(status[0] & IEC958_AES0_NONAUDIO)) {
 181                         snd_iprintf(buffer, "audio\n");
 182                 } else {
 183                         snd_iprintf(buffer, "non-audio\n");
 184                 }
 185                 snd_iprintf(buffer, "Rate: ");
 186                 switch (status[0] & IEC958_AES0_PRO_FS) {
 187                 case IEC958_AES0_PRO_FS_44100:
 188                         snd_iprintf(buffer, "44100 Hz\n");
 189                         break;
 190                 case IEC958_AES0_PRO_FS_48000:
 191                         snd_iprintf(buffer, "48000 Hz\n");
 192                         break;
 193                 case IEC958_AES0_PRO_FS_32000:
 194                         snd_iprintf(buffer, "32000 Hz\n");
 195                         break;
 196                 default:
 197                         snd_iprintf(buffer, "unknown\n");
 198                         break;
 199                 }
 200                 snd_iprintf(buffer, "Rate Locked: ");
 201                 if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
 202                         snd_iprintf(buffer, "no\n");
 203                 else
 204                         snd_iprintf(buffer, "yes\n");
 205                 snd_iprintf(buffer, "Emphasis: ");
 206                 switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
 207                 case IEC958_AES0_PRO_EMPHASIS_CCITT:
 208                         snd_iprintf(buffer, "CCITT J.17\n");
 209                         break;
 210                 case IEC958_AES0_PRO_EMPHASIS_NONE:
 211                         snd_iprintf(buffer, "none\n");
 212                         break;
 213                 case IEC958_AES0_PRO_EMPHASIS_5015:
 214                         snd_iprintf(buffer, "50/15us\n");
 215                         break;
 216                 case IEC958_AES0_PRO_EMPHASIS_NOTID:
 217                 default:
 218                         snd_iprintf(buffer, "unknown\n");
 219                         break;
 220                 }
 221                 snd_iprintf(buffer, "Stereophonic: ");
 222                 if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
 223                         snd_iprintf(buffer, "stereo\n");
 224                 } else {
 225                         snd_iprintf(buffer, "not indicated\n");
 226                 }
 227                 snd_iprintf(buffer, "Userbits: ");
 228                 switch (status[1] & IEC958_AES1_PRO_USERBITS) {
 229                 case IEC958_AES1_PRO_USERBITS_192:
 230                         snd_iprintf(buffer, "192bit\n");
 231                         break;
 232                 case IEC958_AES1_PRO_USERBITS_UDEF:
 233                         snd_iprintf(buffer, "user-defined\n");
 234                         break;
 235                 default:
 236                         snd_iprintf(buffer, "unkown\n");
 237                         break;
 238                 }
 239                 snd_iprintf(buffer, "Sample Bits: ");
 240                 switch (status[2] & IEC958_AES2_PRO_SBITS) {
 241                 case IEC958_AES2_PRO_SBITS_20:
 242                         snd_iprintf(buffer, "20 bit\n");
 243                         break;
 244                 case IEC958_AES2_PRO_SBITS_24:
 245                         snd_iprintf(buffer, "24 bit\n");
 246                         break;
 247                 case IEC958_AES2_PRO_SBITS_UDEF:
 248                         snd_iprintf(buffer, "user defined\n");
 249                         break;
 250                 default:
 251                         snd_iprintf(buffer, "unknown\n");
 252                         break;
 253                 }
 254                 snd_iprintf(buffer, "Word Length: ");
 255                 switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
 256                 case IEC958_AES2_PRO_WORDLEN_22_18:
 257                         snd_iprintf(buffer, "22 bit or 18 bit\n");
 258                         break;
 259                 case IEC958_AES2_PRO_WORDLEN_23_19:
 260                         snd_iprintf(buffer, "23 bit or 19 bit\n");
 261                         break;
 262                 case IEC958_AES2_PRO_WORDLEN_24_20:
 263                         snd_iprintf(buffer, "24 bit or 20 bit\n");
 264                         break;
 265                 case IEC958_AES2_PRO_WORDLEN_20_16:
 266                         snd_iprintf(buffer, "20 bit or 16 bit\n");
 267                         break;
 268                 default:
 269                         snd_iprintf(buffer, "unknown\n");
 270                         break;
 271                 }
 272         }
 273 }
 274
 275 static void snd_ca0106_proc_iec958(struct snd_info_entry *entry,
 276                                        struct snd_info_buffer *buffer)
 277 {
 278         struct snd_ca0106 *emu = entry->private_data;
 279         u32 value;
 280
 281         value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
 282         snd_iprintf(buffer, "Status: %s, %s, %s\n",
 283                   (value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
 284                   (value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
 285                   (value & 0x400000) ? "Audio Valid" : "No valid audio" );
 286         snd_iprintf(buffer, "Estimated sample rate: %u\n",
 287                   ((value & 0xfffff) * 48000) / 0x8000 );
 288         if (value & 0x200000) {
 289                 snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
 290                 value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
 291                 snd_ca0106_proc_dump_iec958(buffer, value);
 292         }
 293
 294         snd_iprintf(buffer, "\n");
 295 }
 296
 297 static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry,
 298                                        struct snd_info_buffer *buffer)
 299 {
 300         struct snd_ca0106 *emu = entry->private_data;
 301         unsigned long flags;
 302         char line[64];
 303         u32 reg, val;
 304         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 305                 if (sscanf(line, "%x %x", &reg, &val) != 2)
 306                         continue;
 307                 if ((reg < 0x40) && (reg >=0) && (val <= 0xffffffff) ) {
 308                         spin_lock_irqsave(&emu->emu_lock, flags);
 309                         outl(val, emu->port + (reg & 0xfffffffc));
 310                         spin_unlock_irqrestore(&emu->emu_lock, flags);
 311                 }
 312         }
 313 }
 314
 315 static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry,
 316                                        struct snd_info_buffer *buffer)
 317 {
 318         struct snd_ca0106 *emu = entry->private_data;
 319         unsigned long value;
 320         unsigned long flags;
 321         int i;
 322         snd_iprintf(buffer, "Registers:\n\n");
 323         for(i = 0; i < 0x20; i+=4) {
 324                 spin_lock_irqsave(&emu->emu_lock, flags);
 325                 value = inl(emu->port + i);
 326                 spin_unlock_irqrestore(&emu->emu_lock, flags);
 327                 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
 328         }
 329 }
 330
 331 static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry,
 332                                        struct snd_info_buffer *buffer)
 333 {
 334         struct snd_ca0106 *emu = entry->private_data;
 335         unsigned int value;
 336         unsigned long flags;
 337         int i;
 338         snd_iprintf(buffer, "Registers:\n\n");
 339         for(i = 0; i < 0x20; i+=2) {
 340                 spin_lock_irqsave(&emu->emu_lock, flags);
 341                 value = inw(emu->port + i);
 342                 spin_unlock_irqrestore(&emu->emu_lock, flags);
 343                 snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
 344         }
 345 }
 346
 347 static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry,
 348                                        struct snd_info_buffer *buffer)
 349 {
 350         struct snd_ca0106 *emu = entry->private_data;
 351         unsigned int value;
 352         unsigned long flags;
 353         int i;
 354         snd_iprintf(buffer, "Registers:\n\n");
 355         for(i = 0; i < 0x20; i+=1) {
 356                 spin_lock_irqsave(&emu->emu_lock, flags);
 357                 value = inb(emu->port + i);
 358                 spin_unlock_irqrestore(&emu->emu_lock, flags);
 359                 snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
 360         }
 361 }
 362
 363 static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry,
 364                                        struct snd_info_buffer *buffer)
 365 {
 366         struct snd_ca0106 *emu = entry->private_data;
 367         unsigned long value;
 368         int i,j;
 369
 370         snd_iprintf(buffer, "Registers\n");
 371         for(i = 0; i < 0x40; i++) {
 372                 snd_iprintf(buffer, "%02X: ",i);
 373                 for (j = 0; j < 4; j++) {
 374                   value = snd_ca0106_ptr_read(emu, i, j);
 375                   snd_iprintf(buffer, "%08lX ", value);
 376                 }
 377                 snd_iprintf(buffer, "\n");
 378         }
 379 }
 380
 381 static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry,
 382                                        struct snd_info_buffer *buffer)
 383 {
 384         struct snd_ca0106 *emu = entry->private_data;
 385         unsigned long value;
 386         int i,j;
 387
 388         snd_iprintf(buffer, "Registers\n");
 389         for(i = 0x40; i < 0x80; i++) {
 390                 snd_iprintf(buffer, "%02X: ",i);
 391                 for (j = 0; j < 4; j++) {
 392                   value = snd_ca0106_ptr_read(emu, i, j);
 393                   snd_iprintf(buffer, "%08lX ", value);
 394                 }
 395                 snd_iprintf(buffer, "\n");
 396         }
 397 }
 398
 399 static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry,
 400                                        struct snd_info_buffer *buffer)
 401 {
 402         struct snd_ca0106 *emu = entry->private_data;
 403         char line[64];
 404         unsigned int reg, channel_id , val;
 405         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 406                 if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
 407                         continue;
 408                 if ((reg < 0x80) && (reg >=0) && (val <= 0xffffffff) && (channel_id >=0) && (channel_id <= 3) )
 409                         snd_ca0106_ptr_write(emu, reg, channel_id, val);
 410         }
 411 }
 412
 413 static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry,
 414                                        struct snd_info_buffer *buffer)
 415 {
 416         struct snd_ca0106 *emu = entry->private_data;
 417         char line[64];
 418         unsigned int reg, val;
 419         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 420                 if (sscanf(line, "%x %x", &reg, &val) != 2)
 421                         continue;
 422                 if ((reg <= 0x7f) || (val <= 0x1ff)) {
 423                         snd_ca0106_i2c_write(emu, reg, val);
 424                 }
 425         }
 426 }
 427
 428 int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
 429 {
 430         struct snd_info_entry *entry;
 431
 432         if(! snd_card_proc_new(emu->card, "iec958", &entry))
 433                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_iec958);
 434         if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) {
 435                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read32);
 436                 entry->c.text.write = snd_ca0106_proc_reg_write32;
 437                 entry->mode |= S_IWUSR;
 438         }
 439         if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry))
 440                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read16);
 441         if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry))
 442                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read8);
 443         if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) {
 444                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read1);
 445                 entry->c.text.write = snd_ca0106_proc_reg_write;
 446                 entry->mode |= S_IWUSR;
 447         }
 448         if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
 449                 entry->c.text.write = snd_ca0106_proc_i2c_write;
 450                 entry->private_data = emu;
 451                 entry->mode |= S_IWUSR;
 452         }
 453         if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry))
 454                 snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);
 455         return 0;
 456 }
 457
 458 #endif /* CONFIG_PROC_FS */