sound/pci/emu10k1/p16v.c

   1 /*
   2  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
   3  *  Driver p16v chips
   4  *  Version: 0.25
   5  *
   6  *  FEATURES currently supported:
   7  *    Output fixed at S32_LE, 2 channel to hw:0,0
   8  *    Rates: 44.1, 48, 96, 192.
   9  *
  10  *  Changelog:
  11  *  0.8
  12  *    Use separate card based buffer for periods table.
  13  *  0.9
  14  *    Use 2 channel output streams instead of 8 channel.
  15  *       (8 channel output streams might be good for ASIO type output)
  16  *    Corrected speaker output, so Front -> Front etc.
  17  *  0.10
  18  *    Fixed missed interrupts.
  19  *  0.11
  20  *    Add Sound card model number and names.
  21  *    Add Analog volume controls.
  22  *  0.12
  23  *    Corrected playback interrupts. Now interrupt per period, instead of half period.
  24  *  0.13
  25  *    Use single trigger for multichannel.
  26  *  0.14
  27  *    Mic capture now works at fixed: S32_LE, 96000Hz, Stereo.
  28  *  0.15
  29  *    Force buffer_size / period_size == INTEGER.
  30  *  0.16
  31  *    Update p16v.c to work with changed alsa api.
  32  *  0.17
  33  *    Update p16v.c to work with changed alsa api. Removed boot_devs.
  34  *  0.18
  35  *    Merging with snd-emu10k1 driver.
  36  *  0.19
  37  *    One stereo channel at 24bit now works.
  38  *  0.20
  39  *    Added better register defines.
  40  *  0.21
  41  *    Integrated with snd-emu10k1 driver.
  42  *  0.22
  43  *    Removed #if 0 ... #endif
  44  *  0.23
  45  *    Implement different capture rates.
  46  *  0.24
  47  *    Implement different capture source channels.
  48  *    e.g. When HD Capture source is set to SPDIF,
  49  *    setting HD Capture channel to 0 captures from CDROM digital input.
  50  *    setting HD Capture channel to 1 captures from SPDIF in.
  51  *  0.25
  52  *    Include capture buffer sizes.
  53  *
  54  *  BUGS:
  55  *    Some stability problems when unloading the snd-p16v kernel module.
  56  *    --
  57  *
  58  *  TODO:
  59  *    SPDIF out.
  60  *    Find out how to change capture sample rates. E.g. To record SPDIF at 48000Hz.
  61  *    Currently capture fixed at 48000Hz.
  62  *
  63  *    --
  64  *  GENERAL INFO:
  65  *    Model: SB0240
  66  *    P16V Chip: CA0151-DBS
  67  *    Audigy 2 Chip: CA0102-IAT
  68  *    AC97 Codec: STAC 9721
  69  *    ADC: Philips 1361T (Stereo 24bit)
  70  *    DAC: CS4382-K (8-channel, 24bit, 192Khz)
  71  *
  72  *  This code was initially based on code from ALSA's emu10k1x.c which is:
  73  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
  74  *
  75  *   This program is free software; you can redistribute it and/or modify
  76  *   it under the terms of the GNU General Public License as published by
  77  *   the Free Software Foundation; either version 2 of the License, or
  78  *   (at your option) any later version.
  79  *
  80  *   This program is distributed in the hope that it will be useful,
  81  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  82  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  83  *   GNU General Public License for more details.
  84  *
  85  *   You should have received a copy of the GNU General Public License
  86  *   along with this program; if not, write to the Free Software
  87  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  88  *
  89  */
  90 #include <linux/delay.h>
  91 #include <linux/init.h>
  92 #include <linux/interrupt.h>
  93 #include <linux/pci.h>
  94 #include <linux/slab.h>
  95 #include <linux/vmalloc.h>
  96 #include <linux/moduleparam.h>
  97 #include <sound/core.h>
  98 #include <sound/initval.h>
  99 #include <sound/pcm.h>
 100 #include <sound/ac97_codec.h>
 101 #include <sound/info.h>
 102 #include <sound/tlv.h>
 103 #include <sound/emu10k1.h>
 104 #include "p16v.h"
 105
 106 #define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
 107 #define PCM_FRONT_CHANNEL 0
 108 #define PCM_REAR_CHANNEL 1
 109 #define PCM_CENTER_LFE_CHANNEL 2
 110 #define PCM_SIDE_CHANNEL 3
 111 #define CONTROL_FRONT_CHANNEL 0
 112 #define CONTROL_REAR_CHANNEL 3
 113 #define CONTROL_CENTER_LFE_CHANNEL 1
 114 #define CONTROL_SIDE_CHANNEL 2
 115
 116 /* Card IDs:
 117  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2002 -> Audigy2 ZS 7.1 Model:SB0350
 118  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1007 -> Audigy2 6.1    Model:SB0240
 119  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1002 -> Audigy2 Platinum  Model:SB msb0240230009266
 120  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2007 -> Audigy4 Pro Model:SB0380 M1SB0380472001901E
 121  *
 122  */
 123
 124  /* hardware definition */
 125 static struct snd_pcm_hardware snd_p16v_playback_hw = {
 126         .info =                 SNDRV_PCM_INFO_MMAP |
 127                                 SNDRV_PCM_INFO_INTERLEAVED |
 128                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 129                                 SNDRV_PCM_INFO_RESUME |
 130                                 SNDRV_PCM_INFO_MMAP_VALID |
 131                                 SNDRV_PCM_INFO_SYNC_START,
 132         .formats =              SNDRV_PCM_FMTBIT_S32_LE, /* Only supports 24-bit samples padded to 32 bits. */
 133         .rates =                SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
 134         .rate_min =             44100,
 135         .rate_max =             192000,
 136         .channels_min =         8,
 137         .channels_max =         8,
 138         .buffer_bytes_max =     ((65536 - 64) * 8),
 139         .period_bytes_min =     64,
 140         .period_bytes_max =     (65536 - 64),
 141         .periods_min =          2,
 142         .periods_max =          8,
 143         .fifo_size =            0,
 144 };
 145
 146 static struct snd_pcm_hardware snd_p16v_capture_hw = {
 147         .info =                 (SNDRV_PCM_INFO_MMAP |
 148                                  SNDRV_PCM_INFO_INTERLEAVED |
 149                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 150                                  SNDRV_PCM_INFO_RESUME |
 151                                  SNDRV_PCM_INFO_MMAP_VALID),
 152         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 153         .rates =                SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
 154         .rate_min =             44100,
 155         .rate_max =             192000,
 156         .channels_min =         2,
 157         .channels_max =         2,
 158         .buffer_bytes_max =     (65536 - 64),
 159         .period_bytes_min =     64,
 160         .period_bytes_max =     (65536 - 128) >> 1,  /* size has to be N*64 bytes */
 161         .periods_min =          2,
 162         .periods_max =          2,
 163         .fifo_size =            0,
 164 };
 165
 166 static void snd_p16v_pcm_free_substream(struct snd_pcm_runtime *runtime)
 167 {
 168         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 169
 170         if (epcm) {
 171                 /* snd_printk(KERN_DEBUG "epcm free: %p\n", epcm); */
 172                 kfree(epcm);
 173         }
 174 }
 175
 176 /* open_playback callback */
 177 static int snd_p16v_pcm_open_playback_channel(struct snd_pcm_substream *substream, int channel_id)
 178 {
 179         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 180         struct snd_emu10k1_voice *channel = &(emu->p16v_voices[channel_id]);
 181         struct snd_emu10k1_pcm *epcm;
 182         struct snd_pcm_runtime *runtime = substream->runtime;
 183         int err;
 184
 185         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 186         /* snd_printk(KERN_DEBUG "epcm kcalloc: %p\n", epcm); */
 187
 188         if (epcm == NULL)
 189                 return -ENOMEM;
 190         epcm->emu = emu;
 191         epcm->substream = substream;
 192         /*
 193         snd_printk(KERN_DEBUG "epcm device=%d, channel_id=%d\n",
 194                    substream->pcm->device, channel_id);
 195         */
 196         runtime->private_data = epcm;
 197         runtime->private_free = snd_p16v_pcm_free_substream;
 198
 199         runtime->hw = snd_p16v_playback_hw;
 200
 201         channel->emu = emu;
 202         channel->number = channel_id;
 203
 204         channel->use=1;
 205 #if 0 /* debug */
 206         snd_printk(KERN_DEBUG
 207                    "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 208                    channel_id, channel, channel->use);
 209         printk(KERN_DEBUG "open:channel_id=%d, chip=%p, channel=%p\n",
 210                channel_id, chip, channel);
 211 #endif /* debug */
 212         /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 213         channel->epcm = epcm;
 214         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 215                 return err;
 216
 217         runtime->sync.id32[0] = substream->pcm->card->number;
 218         runtime->sync.id32[1] = 'P';
 219         runtime->sync.id32[2] = 16;
 220         runtime->sync.id32[3] = 'V';
 221
 222         return 0;
 223 }
 224 /* open_capture callback */
 225 static int snd_p16v_pcm_open_capture_channel(struct snd_pcm_substream *substream, int channel_id)
 226 {
 227         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 228         struct snd_emu10k1_voice *channel = &(emu->p16v_capture_voice);
 229         struct snd_emu10k1_pcm *epcm;
 230         struct snd_pcm_runtime *runtime = substream->runtime;
 231         int err;
 232
 233         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 234         /* snd_printk(KERN_DEBUG "epcm kcalloc: %p\n", epcm); */
 235
 236         if (epcm == NULL)
 237                 return -ENOMEM;
 238         epcm->emu = emu;
 239         epcm->substream = substream;
 240         /*
 241         snd_printk(KERN_DEBUG "epcm device=%d, channel_id=%d\n",
 242                    substream->pcm->device, channel_id);
 243         */
 244         runtime->private_data = epcm;
 245         runtime->private_free = snd_p16v_pcm_free_substream;
 246
 247         runtime->hw = snd_p16v_capture_hw;
 248
 249         channel->emu = emu;
 250         channel->number = channel_id;
 251
 252         channel->use=1;
 253 #if 0 /* debug */
 254         snd_printk(KERN_DEBUG
 255                    "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 256                    channel_id, channel, channel->use);
 257         printk(KERN_DEBUG "open:channel_id=%d, chip=%p, channel=%p\n",
 258                channel_id, chip, channel);
 259 #endif /* debug */
 260         /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 261         channel->epcm = epcm;
 262         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 263                 return err;
 264
 265         return 0;
 266 }
 267
 268
 269 /* close callback */
 270 static int snd_p16v_pcm_close_playback(struct snd_pcm_substream *substream)
 271 {
 272         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 273         //struct snd_pcm_runtime *runtime = substream->runtime;
 274         //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 275         emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use = 0;
 276         /* FIXME: maybe zero others */
 277         return 0;
 278 }
 279
 280 /* close callback */
 281 static int snd_p16v_pcm_close_capture(struct snd_pcm_substream *substream)
 282 {
 283         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 284         //struct snd_pcm_runtime *runtime = substream->runtime;
 285         //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 286         emu->p16v_capture_voice.use = 0;
 287         /* FIXME: maybe zero others */
 288         return 0;
 289 }
 290
 291 static int snd_p16v_pcm_open_playback_front(struct snd_pcm_substream *substream)
 292 {
 293         return snd_p16v_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
 294 }
 295
 296 static int snd_p16v_pcm_open_capture(struct snd_pcm_substream *substream)
 297 {
 298         // Only using channel 0 for now, but the card has 2 channels.
 299         return snd_p16v_pcm_open_capture_channel(substream, 0);
 300 }
 301
 302 /* hw_params callback */
 303 static int snd_p16v_pcm_hw_params_playback(struct snd_pcm_substream *substream,
 304                                       struct snd_pcm_hw_params *hw_params)
 305 {
 306         int result;
 307         result = snd_pcm_lib_malloc_pages(substream,
 308                                         params_buffer_bytes(hw_params));
 309         return result;
 310 }
 311
 312 /* hw_params callback */
 313 static int snd_p16v_pcm_hw_params_capture(struct snd_pcm_substream *substream,
 314                                       struct snd_pcm_hw_params *hw_params)
 315 {
 316         int result;
 317         result = snd_pcm_lib_malloc_pages(substream,
 318                                         params_buffer_bytes(hw_params));
 319         return result;
 320 }
 321
 322
 323 /* hw_free callback */
 324 static int snd_p16v_pcm_hw_free_playback(struct snd_pcm_substream *substream)
 325 {
 326         int result;
 327         result = snd_pcm_lib_free_pages(substream);
 328         return result;
 329 }
 330
 331 /* hw_free callback */
 332 static int snd_p16v_pcm_hw_free_capture(struct snd_pcm_substream *substream)
 333 {
 334         int result;
 335         result = snd_pcm_lib_free_pages(substream);
 336         return result;
 337 }
 338
 339
 340 /* prepare playback callback */
 341 static int snd_p16v_pcm_prepare_playback(struct snd_pcm_substream *substream)
 342 {
 343         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 344         struct snd_pcm_runtime *runtime = substream->runtime;
 345         int channel = substream->pcm->device - emu->p16v_device_offset;
 346         u32 *table_base = (u32 *)(emu->p16v_buffer.area+(8*16*channel));
 347         u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
 348         int i;
 349         u32 tmp;
 350
 351 #if 0 /* debug */
 352         snd_printk(KERN_DEBUG "prepare:channel_number=%d, rate=%d, "
 353                    "format=0x%x, channels=%d, buffer_size=%ld, "
 354                    "period_size=%ld, periods=%u, frames_to_bytes=%d\n",
 355                    channel, runtime->rate, runtime->format, runtime->channels,
 356                    runtime->buffer_size, runtime->period_size,
 357                    runtime->periods, frames_to_bytes(runtime, 1));
 358         snd_printk(KERN_DEBUG "dma_addr=%x, dma_area=%p, table_base=%p\n",
 359                    runtime->dma_addr, runtime->dma_area, table_base);
 360         snd_printk(KERN_DEBUG "dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",
 361                    emu->p16v_buffer.addr, emu->p16v_buffer.area,
 362                    emu->p16v_buffer.bytes);
 363 #endif /* debug */
 364         tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 365         switch (runtime->rate) {
 366         case 44100:
 367           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x8080);
 368           break;
 369         case 96000:
 370           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x4040);
 371           break;
 372         case 192000:
 373           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x2020);
 374           break;
 375         case 48000:
 376         default:
 377           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x0000);
 378           break;
 379         }
 380         /* FIXME: Check emu->buffer.size before actually writing to it. */
 381         for(i = 0; i < runtime->periods; i++) {
 382                 table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
 383                 table_base[(i*2)+1]=period_size_bytes<<16;
 384         }
 385
 386         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_ADDR, channel, emu->p16v_buffer.addr+(8*16*channel));
 387         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
 388         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_PTR, channel, 0);
 389         snd_emu10k1_ptr20_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
 390         //snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
 391         snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
 392         snd_emu10k1_ptr20_write(emu, PLAYBACK_POINTER, channel, 0);
 393         snd_emu10k1_ptr20_write(emu, 0x07, channel, 0x0);
 394         snd_emu10k1_ptr20_write(emu, 0x08, channel, 0);
 395
 396         return 0;
 397 }
 398
 399 /* prepare capture callback */
 400 static int snd_p16v_pcm_prepare_capture(struct snd_pcm_substream *substream)
 401 {
 402         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 403         struct snd_pcm_runtime *runtime = substream->runtime;
 404         int channel = substream->pcm->device - emu->p16v_device_offset;
 405         u32 tmp;
 406
 407         /*
 408         printk(KERN_DEBUG "prepare capture:channel_number=%d, rate=%d, "
 409                "format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, "
 410                "frames_to_bytes=%d\n",
 411                channel, runtime->rate, runtime->format, runtime->channels,
 412                runtime->buffer_size, runtime->period_size,
 413                frames_to_bytes(runtime, 1));
 414         */
 415         tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 416         switch (runtime->rate) {
 417         case 44100:
 418           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0800);
 419           break;
 420         case 96000:
 421           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0400);
 422           break;
 423         case 192000:
 424           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0200);
 425           break;
 426         case 48000:
 427         default:
 428           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0000);
 429           break;
 430         }
 431         /* FIXME: Check emu->buffer.size before actually writing to it. */
 432         snd_emu10k1_ptr20_write(emu, 0x13, channel, 0);
 433         snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
 434         snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size) << 16); // buffer size in bytes
 435         snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
 436         //snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
 437         //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
 438
 439         return 0;
 440 }
 441
 442 static void snd_p16v_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
 443 {
 444         unsigned long flags;
 445         unsigned int enable;
 446
 447         spin_lock_irqsave(&emu->emu_lock, flags);
 448         enable = inl(emu->port + INTE2) | intrenb;
 449         outl(enable, emu->port + INTE2);
 450         spin_unlock_irqrestore(&emu->emu_lock, flags);
 451 }
 452
 453 static void snd_p16v_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
 454 {
 455         unsigned long flags;
 456         unsigned int disable;
 457
 458         spin_lock_irqsave(&emu->emu_lock, flags);
 459         disable = inl(emu->port + INTE2) & (~intrenb);
 460         outl(disable, emu->port + INTE2);
 461         spin_unlock_irqrestore(&emu->emu_lock, flags);
 462 }
 463
 464 /* trigger_playback callback */
 465 static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 466                                     int cmd)
 467 {
 468         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 469         struct snd_pcm_runtime *runtime;
 470         struct snd_emu10k1_pcm *epcm;
 471         int channel;
 472         int result = 0;
 473         struct snd_pcm_substream *s;
 474         u32 basic = 0;
 475         u32 inte = 0;
 476         int running = 0;
 477
 478         switch (cmd) {
 479         case SNDRV_PCM_TRIGGER_START:
 480                 running=1;
 481                 break;
 482         case SNDRV_PCM_TRIGGER_STOP:
 483         default:
 484                 running = 0;
 485                 break;
 486         }
 487         snd_pcm_group_for_each_entry(s, substream) {
 488                 if (snd_pcm_substream_chip(s) != emu ||
 489                     s->stream != SNDRV_PCM_STREAM_PLAYBACK)
 490                         continue;
 491                 runtime = s->runtime;
 492                 epcm = runtime->private_data;
 493                 channel = substream->pcm->device-emu->p16v_device_offset;
 494                 /* snd_printk(KERN_DEBUG "p16v channel=%d\n", channel); */
 495                 epcm->running = running;
 496                 basic |= (0x1<<channel);
 497                 inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
 498                 snd_pcm_trigger_done(s, substream);
 499         }
 500         /* snd_printk(KERN_DEBUG "basic=0x%x, inte=0x%x\n", basic, inte); */
 501
 502         switch (cmd) {
 503         case SNDRV_PCM_TRIGGER_START:
 504                 snd_p16v_intr_enable(emu, inte);
 505                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
 506                 break;
 507         case SNDRV_PCM_TRIGGER_STOP:
 508                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
 509                 snd_p16v_intr_disable(emu, inte);
 510                 break;
 511         default:
 512                 result = -EINVAL;
 513                 break;
 514         }
 515         return result;
 516 }
 517
 518 /* trigger_capture callback */
 519 static int snd_p16v_pcm_trigger_capture(struct snd_pcm_substream *substream,
 520                                    int cmd)
 521 {
 522         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 523         struct snd_pcm_runtime *runtime = substream->runtime;
 524         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 525         int channel = 0;
 526         int result = 0;
 527         u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;
 528
 529         switch (cmd) {
 530         case SNDRV_PCM_TRIGGER_START:
 531                 snd_p16v_intr_enable(emu, inte);
 532                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
 533                 epcm->running = 1;
 534                 break;
 535         case SNDRV_PCM_TRIGGER_STOP:
 536                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
 537                 snd_p16v_intr_disable(emu, inte);
 538                 //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
 539                 epcm->running = 0;
 540                 break;
 541         default:
 542                 result = -EINVAL;
 543                 break;
 544         }
 545         return result;
 546 }
 547
 548 /* pointer_playback callback */
 549 static snd_pcm_uframes_t
 550 snd_p16v_pcm_pointer_playback(struct snd_pcm_substream *substream)
 551 {
 552         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 553         struct snd_pcm_runtime *runtime = substream->runtime;
 554         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 555         snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
 556         int channel = substream->pcm->device - emu->p16v_device_offset;
 557         if (!epcm->running)
 558                 return 0;
 559
 560         ptr3 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 561         ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 562         ptr4 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 563         if (ptr3 != ptr4) ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 564         ptr2 = bytes_to_frames(runtime, ptr1);
 565         ptr2+= (ptr4 >> 3) * runtime->period_size;
 566         ptr=ptr2;
 567         if (ptr >= runtime->buffer_size)
 568                 ptr -= runtime->buffer_size;
 569
 570         return ptr;
 571 }
 572
 573 /* pointer_capture callback */
 574 static snd_pcm_uframes_t
 575 snd_p16v_pcm_pointer_capture(struct snd_pcm_substream *substream)
 576 {
 577         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 578         struct snd_pcm_runtime *runtime = substream->runtime;
 579         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 580         snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
 581         int channel = 0;
 582
 583         if (!epcm->running)
 584                 return 0;
 585
 586         ptr1 = snd_emu10k1_ptr20_read(emu, CAPTURE_POINTER, channel);
 587         ptr2 = bytes_to_frames(runtime, ptr1);
 588         ptr=ptr2;
 589         if (ptr >= runtime->buffer_size) {
 590                 ptr -= runtime->buffer_size;
 591                 printk(KERN_WARNING "buffer capture limited!\n");
 592         }
 593         /*
 594         printk(KERN_DEBUG "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, "
 595                "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n",
 596                ptr1, ptr2, ptr, (int)runtime->buffer_size,
 597                (int)runtime->period_size, (int)runtime->frame_bits,
 598                (int)runtime->rate);
 599         */
 600         return ptr;
 601 }
 602
 603 /* operators */
 604 static struct snd_pcm_ops snd_p16v_playback_front_ops = {
 605         .open =        snd_p16v_pcm_open_playback_front,
 606         .close =       snd_p16v_pcm_close_playback,
 607         .ioctl =       snd_pcm_lib_ioctl,
 608         .hw_params =   snd_p16v_pcm_hw_params_playback,
 609         .hw_free =     snd_p16v_pcm_hw_free_playback,
 610         .prepare =     snd_p16v_pcm_prepare_playback,
 611         .trigger =     snd_p16v_pcm_trigger_playback,
 612         .pointer =     snd_p16v_pcm_pointer_playback,
 613 };
 614
 615 static struct snd_pcm_ops snd_p16v_capture_ops = {
 616         .open =        snd_p16v_pcm_open_capture,
 617         .close =       snd_p16v_pcm_close_capture,
 618         .ioctl =       snd_pcm_lib_ioctl,
 619         .hw_params =   snd_p16v_pcm_hw_params_capture,
 620         .hw_free =     snd_p16v_pcm_hw_free_capture,
 621         .prepare =     snd_p16v_pcm_prepare_capture,
 622         .trigger =     snd_p16v_pcm_trigger_capture,
 623         .pointer =     snd_p16v_pcm_pointer_capture,
 624 };
 625
 626
 627 int snd_p16v_free(struct snd_emu10k1 *chip)
 628 {
 629         // release the data
 630         if (chip->p16v_buffer.area) {
 631                 snd_dma_free_pages(&chip->p16v_buffer);
 632                 /*
 633                 snd_printk(KERN_DEBUG "period lables free: %p\n",
 634                            &chip->p16v_buffer);
 635                 */
 636         }
 637         return 0;
 638 }
 639
 640 int __devinit snd_p16v_pcm(struct snd_emu10k1 *emu, int device, struct snd_pcm **rpcm)
 641 {
 642         struct snd_pcm *pcm;
 643         struct snd_pcm_substream *substream;
 644         int err;
 645         int capture=1;
 646
 647         /* snd_printk(KERN_DEBUG "snd_p16v_pcm called. device=%d\n", device); */
 648         emu->p16v_device_offset = device;
 649         if (rpcm)
 650                 *rpcm = NULL;
 651
 652         if ((err = snd_pcm_new(emu->card, "p16v", device, 1, capture, &pcm)) < 0)
 653                 return err;
 654
 655         pcm->private_data = emu;
 656         // Single playback 8 channel device.
 657         // Single capture 2 channel device.
 658         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_p16v_playback_front_ops);
 659         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_p16v_capture_ops);
 660
 661         pcm->info_flags = 0;
 662         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 663         strcpy(pcm->name, "p16v");
 664         emu->pcm_p16v = pcm;
 665
 666         for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 667             substream;
 668             substream = substream->next) {
 669                 if ((err = snd_pcm_lib_preallocate_pages(substream,
 670                                                          SNDRV_DMA_TYPE_DEV,
 671                                                          snd_dma_pci_data(emu->pci),
 672                                                          ((65536 - 64) * 8), ((65536 - 64) * 8))) < 0)
 673                         return err;
 674                 /*
 675                 snd_printk(KERN_DEBUG
 676                            "preallocate playback substream: err=%d\n", err);
 677                 */
 678         }
 679
 680         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 681               substream;
 682               substream = substream->next) {
 683                 if ((err = snd_pcm_lib_preallocate_pages(substream,
 684                                                    SNDRV_DMA_TYPE_DEV,
 685                                                    snd_dma_pci_data(emu->pci),
 686                                                    65536 - 64, 65536 - 64)) < 0)
 687                         return err;
 688                 /*
 689                 snd_printk(KERN_DEBUG
 690                            "preallocate capture substream: err=%d\n", err);
 691                 */
 692         }
 693
 694         if (rpcm)
 695                 *rpcm = pcm;
 696
 697         return 0;
 698 }
 699
 700 static int snd_p16v_volume_info(struct snd_kcontrol *kcontrol,
 701                                 struct snd_ctl_elem_info *uinfo)
 702 {
 703         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 704         uinfo->count = 2;
 705         uinfo->value.integer.min = 0;
 706         uinfo->value.integer.max = 255;
 707         return 0;
 708 }
 709
 710 static int snd_p16v_volume_get(struct snd_kcontrol *kcontrol,
 711                                struct snd_ctl_elem_value *ucontrol)
 712 {
 713         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 714         int high_low = (kcontrol->private_value >> 8) & 0xff;
 715         int reg = kcontrol->private_value & 0xff;
 716         u32 value;
 717
 718         value = snd_emu10k1_ptr20_read(emu, reg, high_low);
 719         if (high_low) {
 720                 ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
 721                 ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
 722         } else {
 723                 ucontrol->value.integer.value[0] = 0xff - ((value >> 8) & 0xff); /* Left */
 724                 ucontrol->value.integer.value[1] = 0xff - ((value >> 0) & 0xff); /* Right */
 725         }
 726         return 0;
 727 }
 728
 729 static int snd_p16v_volume_put(struct snd_kcontrol *kcontrol,
 730                                struct snd_ctl_elem_value *ucontrol)
 731 {
 732         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 733         int high_low = (kcontrol->private_value >> 8) & 0xff;
 734         int reg = kcontrol->private_value & 0xff;
 735         u32 value, oval;
 736
 737         oval = value = snd_emu10k1_ptr20_read(emu, reg, 0);
 738         if (high_low == 1) {
 739                 value &= 0xffff;
 740                 value |= ((0xff - ucontrol->value.integer.value[0]) << 24) |
 741                         ((0xff - ucontrol->value.integer.value[1]) << 16);
 742         } else {
 743                 value &= 0xffff0000;
 744                 value |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
 745                         ((0xff - ucontrol->value.integer.value[1]) );
 746         }
 747         if (value != oval) {
 748                 snd_emu10k1_ptr20_write(emu, reg, 0, value);
 749                 return 1;
 750         }
 751         return 0;
 752 }
 753
 754 static int snd_p16v_capture_source_info(struct snd_kcontrol *kcontrol,
 755                                         struct snd_ctl_elem_info *uinfo)
 756 {
 757         static char *texts[8] = {
 758                 "SPDIF", "I2S", "SRC48", "SRCMulti_SPDIF", "SRCMulti_I2S",
 759                 "CDIF", "FX", "AC97"
 760         };
 761
 762         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 763         uinfo->count = 1;
 764         uinfo->value.enumerated.items = 8;
 765         if (uinfo->value.enumerated.item > 7)
 766                 uinfo->value.enumerated.item = 7;
 767         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 768         return 0;
 769 }
 770
 771 static int snd_p16v_capture_source_get(struct snd_kcontrol *kcontrol,
 772                                         struct snd_ctl_elem_value *ucontrol)
 773 {
 774         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 775
 776         ucontrol->value.enumerated.item[0] = emu->p16v_capture_source;
 777         return 0;
 778 }
 779
 780 static int snd_p16v_capture_source_put(struct snd_kcontrol *kcontrol,
 781                                         struct snd_ctl_elem_value *ucontrol)
 782 {
 783         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 784         unsigned int val;
 785         int change = 0;
 786         u32 mask;
 787         u32 source;
 788
 789         val = ucontrol->value.enumerated.item[0] ;
 790         if (val > 7)
 791                 return -EINVAL;
 792         change = (emu->p16v_capture_source != val);
 793         if (change) {
 794                 emu->p16v_capture_source = val;
 795                 source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
 796                 mask = snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & 0xffff;
 797                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, source | mask);
 798         }
 799         return change;
 800 }
 801
 802 static int snd_p16v_capture_channel_info(struct snd_kcontrol *kcontrol,
 803                                          struct snd_ctl_elem_info *uinfo)
 804 {
 805         static char *texts[4] = { "0", "1", "2", "3",  };
 806
 807         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 808         uinfo->count = 1;
 809         uinfo->value.enumerated.items = 4;
 810         if (uinfo->value.enumerated.item > 3)
 811                 uinfo->value.enumerated.item = 3;
 812         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 813         return 0;
 814 }
 815
 816 static int snd_p16v_capture_channel_get(struct snd_kcontrol *kcontrol,
 817                                         struct snd_ctl_elem_value *ucontrol)
 818 {
 819         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 820
 821         ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
 822         return 0;
 823 }
 824
 825 static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol,
 826                                         struct snd_ctl_elem_value *ucontrol)
 827 {
 828         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 829         unsigned int val;
 830         int change = 0;
 831         u32 tmp;
 832
 833         val = ucontrol->value.enumerated.item[0] ;
 834         if (val > 3)
 835                 return -EINVAL;
 836         change = (emu->p16v_capture_channel != val);
 837         if (change) {
 838                 emu->p16v_capture_channel = val;
 839                 tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
 840                 snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
 841         }
 842         return change;
 843 }
 844 static const DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1);
 845
 846 #define P16V_VOL(xname,xreg,xhl) { \
 847         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 848         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
 849                   SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
 850         .info = snd_p16v_volume_info, \
 851         .get = snd_p16v_volume_get, \
 852         .put = snd_p16v_volume_put, \
 853         .tlv = { .p = snd_p16v_db_scale1 },     \
 854         .private_value = ((xreg) | ((xhl) << 8)) \
 855 }
 856
 857 static struct snd_kcontrol_new p16v_mixer_controls[] __devinitdata = {
 858         P16V_VOL("HD Analog Front Playback Volume", PLAYBACK_VOLUME_MIXER9, 0),
 859         P16V_VOL("HD Analog Rear Playback Volume", PLAYBACK_VOLUME_MIXER10, 1),
 860         P16V_VOL("HD Analog Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER9, 1),
 861         P16V_VOL("HD Analog Side Playback Volume", PLAYBACK_VOLUME_MIXER10, 0),
 862         P16V_VOL("HD SPDIF Front Playback Volume", PLAYBACK_VOLUME_MIXER7, 0),
 863         P16V_VOL("HD SPDIF Rear Playback Volume", PLAYBACK_VOLUME_MIXER8, 1),
 864         P16V_VOL("HD SPDIF Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER7, 1),
 865         P16V_VOL("HD SPDIF Side Playback Volume", PLAYBACK_VOLUME_MIXER8, 0),
 866         {
 867                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 868                 .name =         "HD source Capture",
 869                 .info =         snd_p16v_capture_source_info,
 870                 .get =          snd_p16v_capture_source_get,
 871                 .put =          snd_p16v_capture_source_put
 872         },
 873         {
 874                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 875                 .name =         "HD channel Capture",
 876                 .info =         snd_p16v_capture_channel_info,
 877                 .get =          snd_p16v_capture_channel_get,
 878                 .put =          snd_p16v_capture_channel_put
 879         },
 880 };
 881
 882
 883 int __devinit snd_p16v_mixer(struct snd_emu10k1 *emu)
 884 {
 885         int i, err;
 886         struct snd_card *card = emu->card;
 887
 888         for (i = 0; i < ARRAY_SIZE(p16v_mixer_controls); i++) {
 889                 if ((err = snd_ctl_add(card, snd_ctl_new1(&p16v_mixer_controls[i],
 890                                                           emu))) < 0)
 891                         return err;
 892         }
 893         return 0;
 894 }
 895
 896 #ifdef CONFIG_PM
 897
 898 #define NUM_CHS 1       /* up to 4, but only first channel is used */
 899
 900 int __devinit snd_p16v_alloc_pm_buffer(struct snd_emu10k1 *emu)
 901 {
 902         emu->p16v_saved = vmalloc(NUM_CHS * 4 * 0x80);
 903         if (! emu->p16v_saved)
 904                 return -ENOMEM;
 905         return 0;
 906 }
 907
 908 void snd_p16v_free_pm_buffer(struct snd_emu10k1 *emu)
 909 {
 910         vfree(emu->p16v_saved);
 911 }
 912
 913 void snd_p16v_suspend(struct snd_emu10k1 *emu)
 914 {
 915         int i, ch;
 916         unsigned int *val;
 917
 918         val = emu->p16v_saved;
 919         for (ch = 0; ch < NUM_CHS; ch++)
 920                 for (i = 0; i < 0x80; i++, val++)
 921                         *val = snd_emu10k1_ptr20_read(emu, i, ch);
 922 }
 923
 924 void snd_p16v_resume(struct snd_emu10k1 *emu)
 925 {
 926         int i, ch;
 927         unsigned int *val;
 928
 929         val = emu->p16v_saved;
 930         for (ch = 0; ch < NUM_CHS; ch++)
 931                 for (i = 0; i < 0x80; i++, val++)
 932                         snd_emu10k1_ptr20_write(emu, i, ch, *val);
 933 }
 934 #endif