linux/sound/pci/emu10k1/p16v.c
<<
>>
Prefs
   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 */
 125static const 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
 146static const 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
 166static void snd_p16v_pcm_free_substream(struct snd_pcm_runtime *runtime)
 167{
 168        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 169
 170        kfree(epcm);
 171}
 172
 173/* open_playback callback */
 174static int snd_p16v_pcm_open_playback_channel(struct snd_pcm_substream *substream, int channel_id)
 175{
 176        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 177        struct snd_emu10k1_voice *channel = &(emu->p16v_voices[channel_id]);
 178        struct snd_emu10k1_pcm *epcm;
 179        struct snd_pcm_runtime *runtime = substream->runtime;
 180        int err;
 181
 182        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 183        /* dev_dbg(emu->card->dev, "epcm kcalloc: %p\n", epcm); */
 184
 185        if (epcm == NULL)
 186                return -ENOMEM;
 187        epcm->emu = emu;
 188        epcm->substream = substream;
 189        /*
 190        dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
 191                   substream->pcm->device, channel_id);
 192        */
 193        runtime->private_data = epcm;
 194        runtime->private_free = snd_p16v_pcm_free_substream;
 195  
 196        runtime->hw = snd_p16v_playback_hw;
 197
 198        channel->emu = emu;
 199        channel->number = channel_id;
 200
 201        channel->use=1;
 202#if 0 /* debug */
 203        dev_dbg(emu->card->dev,
 204                   "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 205                   channel_id, channel, channel->use);
 206        dev_dbg(emu->card->dev, "open:channel_id=%d, chip=%p, channel=%p\n",
 207               channel_id, chip, channel);
 208#endif /* debug */
 209        /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 210        channel->epcm = epcm;
 211        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 212                return err;
 213
 214        runtime->sync.id32[0] = substream->pcm->card->number;
 215        runtime->sync.id32[1] = 'P';
 216        runtime->sync.id32[2] = 16;
 217        runtime->sync.id32[3] = 'V';
 218
 219        return 0;
 220}
 221/* open_capture callback */
 222static int snd_p16v_pcm_open_capture_channel(struct snd_pcm_substream *substream, int channel_id)
 223{
 224        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 225        struct snd_emu10k1_voice *channel = &(emu->p16v_capture_voice);
 226        struct snd_emu10k1_pcm *epcm;
 227        struct snd_pcm_runtime *runtime = substream->runtime;
 228        int err;
 229
 230        epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 231        /* dev_dbg(emu->card->dev, "epcm kcalloc: %p\n", epcm); */
 232
 233        if (epcm == NULL)
 234                return -ENOMEM;
 235        epcm->emu = emu;
 236        epcm->substream = substream;
 237        /*
 238        dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
 239                   substream->pcm->device, channel_id);
 240        */
 241        runtime->private_data = epcm;
 242        runtime->private_free = snd_p16v_pcm_free_substream;
 243  
 244        runtime->hw = snd_p16v_capture_hw;
 245
 246        channel->emu = emu;
 247        channel->number = channel_id;
 248
 249        channel->use=1;
 250#if 0 /* debug */
 251        dev_dbg(emu->card->dev,
 252                   "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 253                   channel_id, channel, channel->use);
 254        dev_dbg(emu->card->dev, "open:channel_id=%d, chip=%p, channel=%p\n",
 255               channel_id, chip, channel);
 256#endif /* debug */
 257        /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 258        channel->epcm = epcm;
 259        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 260                return err;
 261
 262        return 0;
 263}
 264
 265
 266/* close callback */
 267static int snd_p16v_pcm_close_playback(struct snd_pcm_substream *substream)
 268{
 269        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 270        //struct snd_pcm_runtime *runtime = substream->runtime;
 271        //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 272        emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use = 0;
 273        /* FIXME: maybe zero others */
 274        return 0;
 275}
 276
 277/* close callback */
 278static int snd_p16v_pcm_close_capture(struct snd_pcm_substream *substream)
 279{
 280        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 281        //struct snd_pcm_runtime *runtime = substream->runtime;
 282        //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 283        emu->p16v_capture_voice.use = 0;
 284        /* FIXME: maybe zero others */
 285        return 0;
 286}
 287
 288static int snd_p16v_pcm_open_playback_front(struct snd_pcm_substream *substream)
 289{
 290        return snd_p16v_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
 291}
 292
 293static int snd_p16v_pcm_open_capture(struct snd_pcm_substream *substream)
 294{
 295        // Only using channel 0 for now, but the card has 2 channels.
 296        return snd_p16v_pcm_open_capture_channel(substream, 0);
 297}
 298
 299/* hw_params callback */
 300static int snd_p16v_pcm_hw_params_playback(struct snd_pcm_substream *substream,
 301                                      struct snd_pcm_hw_params *hw_params)
 302{
 303        return snd_pcm_lib_malloc_pages(substream,
 304                                        params_buffer_bytes(hw_params));
 305}
 306
 307/* hw_params callback */
 308static int snd_p16v_pcm_hw_params_capture(struct snd_pcm_substream *substream,
 309                                      struct snd_pcm_hw_params *hw_params)
 310{
 311        return snd_pcm_lib_malloc_pages(substream,
 312                                        params_buffer_bytes(hw_params));
 313}
 314
 315
 316/* hw_free callback */
 317static int snd_p16v_pcm_hw_free_playback(struct snd_pcm_substream *substream)
 318{
 319        return snd_pcm_lib_free_pages(substream);
 320}
 321
 322/* hw_free callback */
 323static int snd_p16v_pcm_hw_free_capture(struct snd_pcm_substream *substream)
 324{
 325        return snd_pcm_lib_free_pages(substream);
 326}
 327
 328
 329/* prepare playback callback */
 330static int snd_p16v_pcm_prepare_playback(struct snd_pcm_substream *substream)
 331{
 332        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 333        struct snd_pcm_runtime *runtime = substream->runtime;
 334        int channel = substream->pcm->device - emu->p16v_device_offset;
 335        u32 *table_base = (u32 *)(emu->p16v_buffer.area+(8*16*channel));
 336        u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
 337        int i;
 338        u32 tmp;
 339        
 340#if 0 /* debug */
 341        dev_dbg(emu->card->dev,
 342                "prepare:channel_number=%d, rate=%d, "
 343                   "format=0x%x, channels=%d, buffer_size=%ld, "
 344                   "period_size=%ld, periods=%u, frames_to_bytes=%d\n",
 345                   channel, runtime->rate, runtime->format, runtime->channels,
 346                   runtime->buffer_size, runtime->period_size,
 347                   runtime->periods, frames_to_bytes(runtime, 1));
 348        dev_dbg(emu->card->dev,
 349                "dma_addr=%x, dma_area=%p, table_base=%p\n",
 350                   runtime->dma_addr, runtime->dma_area, table_base);
 351        dev_dbg(emu->card->dev,
 352                "dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",
 353                   emu->p16v_buffer.addr, emu->p16v_buffer.area,
 354                   emu->p16v_buffer.bytes);
 355#endif /* debug */
 356        tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 357        switch (runtime->rate) {
 358        case 44100:
 359          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x8080);
 360          break;
 361        case 96000:
 362          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x4040);
 363          break;
 364        case 192000:
 365          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x2020);
 366          break;
 367        case 48000:
 368        default:
 369          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x0000);
 370          break;
 371        }
 372        /* FIXME: Check emu->buffer.size before actually writing to it. */
 373        for(i = 0; i < runtime->periods; i++) {
 374                table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
 375                table_base[(i*2)+1]=period_size_bytes<<16;
 376        }
 377 
 378        snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_ADDR, channel, emu->p16v_buffer.addr+(8*16*channel));
 379        snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
 380        snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_PTR, channel, 0);
 381        snd_emu10k1_ptr20_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
 382        //snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
 383        snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
 384        snd_emu10k1_ptr20_write(emu, PLAYBACK_POINTER, channel, 0);
 385        snd_emu10k1_ptr20_write(emu, 0x07, channel, 0x0);
 386        snd_emu10k1_ptr20_write(emu, 0x08, channel, 0);
 387
 388        return 0;
 389}
 390
 391/* prepare capture callback */
 392static int snd_p16v_pcm_prepare_capture(struct snd_pcm_substream *substream)
 393{
 394        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 395        struct snd_pcm_runtime *runtime = substream->runtime;
 396        int channel = substream->pcm->device - emu->p16v_device_offset;
 397        u32 tmp;
 398
 399        /*
 400        dev_dbg(emu->card->dev, "prepare capture:channel_number=%d, rate=%d, "
 401               "format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, "
 402               "frames_to_bytes=%d\n",
 403               channel, runtime->rate, runtime->format, runtime->channels,
 404               runtime->buffer_size, runtime->period_size,
 405               frames_to_bytes(runtime, 1));
 406        */
 407        tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 408        switch (runtime->rate) {
 409        case 44100:
 410          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0800);
 411          break;
 412        case 96000:
 413          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0400);
 414          break;
 415        case 192000:
 416          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0200);
 417          break;
 418        case 48000:
 419        default:
 420          snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0000);
 421          break;
 422        }
 423        /* FIXME: Check emu->buffer.size before actually writing to it. */
 424        snd_emu10k1_ptr20_write(emu, 0x13, channel, 0);
 425        snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
 426        snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size) << 16); // buffer size in bytes
 427        snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
 428        //snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
 429        //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
 430
 431        return 0;
 432}
 433
 434static void snd_p16v_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
 435{
 436        unsigned long flags;
 437        unsigned int enable;
 438
 439        spin_lock_irqsave(&emu->emu_lock, flags);
 440        enable = inl(emu->port + INTE2) | intrenb;
 441        outl(enable, emu->port + INTE2);
 442        spin_unlock_irqrestore(&emu->emu_lock, flags);
 443}
 444
 445static void snd_p16v_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
 446{
 447        unsigned long flags;
 448        unsigned int disable;
 449
 450        spin_lock_irqsave(&emu->emu_lock, flags);
 451        disable = inl(emu->port + INTE2) & (~intrenb);
 452        outl(disable, emu->port + INTE2);
 453        spin_unlock_irqrestore(&emu->emu_lock, flags);
 454}
 455
 456/* trigger_playback callback */
 457static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 458                                    int cmd)
 459{
 460        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 461        struct snd_pcm_runtime *runtime;
 462        struct snd_emu10k1_pcm *epcm;
 463        int channel;
 464        int result = 0;
 465        struct snd_pcm_substream *s;
 466        u32 basic = 0;
 467        u32 inte = 0;
 468        int running = 0;
 469
 470        switch (cmd) {
 471        case SNDRV_PCM_TRIGGER_START:
 472                running=1;
 473                break;
 474        case SNDRV_PCM_TRIGGER_STOP:
 475        default:
 476                running = 0;
 477                break;
 478        }
 479        snd_pcm_group_for_each_entry(s, substream) {
 480                if (snd_pcm_substream_chip(s) != emu ||
 481                    s->stream != SNDRV_PCM_STREAM_PLAYBACK)
 482                        continue;
 483                runtime = s->runtime;
 484                epcm = runtime->private_data;
 485                channel = substream->pcm->device-emu->p16v_device_offset;
 486                /* dev_dbg(emu->card->dev, "p16v channel=%d\n", channel); */
 487                epcm->running = running;
 488                basic |= (0x1<<channel);
 489                inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
 490                snd_pcm_trigger_done(s, substream);
 491        }
 492        /* dev_dbg(emu->card->dev, "basic=0x%x, inte=0x%x\n", basic, inte); */
 493
 494        switch (cmd) {
 495        case SNDRV_PCM_TRIGGER_START:
 496                snd_p16v_intr_enable(emu, inte);
 497                snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
 498                break;
 499        case SNDRV_PCM_TRIGGER_STOP:
 500                snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
 501                snd_p16v_intr_disable(emu, inte);
 502                break;
 503        default:
 504                result = -EINVAL;
 505                break;
 506        }
 507        return result;
 508}
 509
 510/* trigger_capture callback */
 511static int snd_p16v_pcm_trigger_capture(struct snd_pcm_substream *substream,
 512                                   int cmd)
 513{
 514        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 515        struct snd_pcm_runtime *runtime = substream->runtime;
 516        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 517        int channel = 0;
 518        int result = 0;
 519        u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;
 520
 521        switch (cmd) {
 522        case SNDRV_PCM_TRIGGER_START:
 523                snd_p16v_intr_enable(emu, inte);
 524                snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
 525                epcm->running = 1;
 526                break;
 527        case SNDRV_PCM_TRIGGER_STOP:
 528                snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
 529                snd_p16v_intr_disable(emu, inte);
 530                //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
 531                epcm->running = 0;
 532                break;
 533        default:
 534                result = -EINVAL;
 535                break;
 536        }
 537        return result;
 538}
 539
 540/* pointer_playback callback */
 541static snd_pcm_uframes_t
 542snd_p16v_pcm_pointer_playback(struct snd_pcm_substream *substream)
 543{
 544        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 545        struct snd_pcm_runtime *runtime = substream->runtime;
 546        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 547        snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
 548        int channel = substream->pcm->device - emu->p16v_device_offset;
 549        if (!epcm->running)
 550                return 0;
 551
 552        ptr3 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 553        ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 554        ptr4 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 555        if (ptr3 != ptr4) ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 556        ptr2 = bytes_to_frames(runtime, ptr1);
 557        ptr2+= (ptr4 >> 3) * runtime->period_size;
 558        ptr=ptr2;
 559        if (ptr >= runtime->buffer_size)
 560                ptr -= runtime->buffer_size;
 561
 562        return ptr;
 563}
 564
 565/* pointer_capture callback */
 566static snd_pcm_uframes_t
 567snd_p16v_pcm_pointer_capture(struct snd_pcm_substream *substream)
 568{
 569        struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 570        struct snd_pcm_runtime *runtime = substream->runtime;
 571        struct snd_emu10k1_pcm *epcm = runtime->private_data;
 572        snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
 573        int channel = 0;
 574
 575        if (!epcm->running)
 576                return 0;
 577
 578        ptr1 = snd_emu10k1_ptr20_read(emu, CAPTURE_POINTER, channel);
 579        ptr2 = bytes_to_frames(runtime, ptr1);
 580        ptr=ptr2;
 581        if (ptr >= runtime->buffer_size) {
 582                ptr -= runtime->buffer_size;
 583                dev_warn(emu->card->dev, "buffer capture limited!\n");
 584        }
 585        /*
 586        dev_dbg(emu->card->dev, "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, "
 587               "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n",
 588               ptr1, ptr2, ptr, (int)runtime->buffer_size,
 589               (int)runtime->period_size, (int)runtime->frame_bits,
 590               (int)runtime->rate);
 591        */
 592        return ptr;
 593}
 594
 595/* operators */
 596static const struct snd_pcm_ops snd_p16v_playback_front_ops = {
 597        .open =        snd_p16v_pcm_open_playback_front,
 598        .close =       snd_p16v_pcm_close_playback,
 599        .ioctl =       snd_pcm_lib_ioctl,
 600        .hw_params =   snd_p16v_pcm_hw_params_playback,
 601        .hw_free =     snd_p16v_pcm_hw_free_playback,
 602        .prepare =     snd_p16v_pcm_prepare_playback,
 603        .trigger =     snd_p16v_pcm_trigger_playback,
 604        .pointer =     snd_p16v_pcm_pointer_playback,
 605};
 606
 607static const struct snd_pcm_ops snd_p16v_capture_ops = {
 608        .open =        snd_p16v_pcm_open_capture,
 609        .close =       snd_p16v_pcm_close_capture,
 610        .ioctl =       snd_pcm_lib_ioctl,
 611        .hw_params =   snd_p16v_pcm_hw_params_capture,
 612        .hw_free =     snd_p16v_pcm_hw_free_capture,
 613        .prepare =     snd_p16v_pcm_prepare_capture,
 614        .trigger =     snd_p16v_pcm_trigger_capture,
 615        .pointer =     snd_p16v_pcm_pointer_capture,
 616};
 617
 618
 619int snd_p16v_free(struct snd_emu10k1 *chip)
 620{
 621        // release the data
 622        if (chip->p16v_buffer.area) {
 623                snd_dma_free_pages(&chip->p16v_buffer);
 624                /*
 625                dev_dbg(chip->card->dev, "period lables free: %p\n",
 626                           &chip->p16v_buffer);
 627                */
 628        }
 629        return 0;
 630}
 631
 632int snd_p16v_pcm(struct snd_emu10k1 *emu, int device)
 633{
 634        struct snd_pcm *pcm;
 635        struct snd_pcm_substream *substream;
 636        int err;
 637        int capture=1;
 638  
 639        /* dev_dbg(emu->card->dev, "snd_p16v_pcm called. device=%d\n", device); */
 640        emu->p16v_device_offset = device;
 641
 642        if ((err = snd_pcm_new(emu->card, "p16v", device, 1, capture, &pcm)) < 0)
 643                return err;
 644  
 645        pcm->private_data = emu;
 646        // Single playback 8 channel device.
 647        // Single capture 2 channel device.
 648        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_p16v_playback_front_ops);
 649        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_p16v_capture_ops);
 650
 651        pcm->info_flags = 0;
 652        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 653        strcpy(pcm->name, "p16v");
 654        emu->pcm_p16v = pcm;
 655
 656        for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; 
 657            substream; 
 658            substream = substream->next) {
 659                if ((err = snd_pcm_lib_preallocate_pages(substream, 
 660                                                         SNDRV_DMA_TYPE_DEV, 
 661                                                         snd_dma_pci_data(emu->pci), 
 662                                                         ((65536 - 64) * 8), ((65536 - 64) * 8))) < 0) 
 663                        return err;
 664                /*
 665                dev_dbg(emu->card->dev,
 666                           "preallocate playback substream: err=%d\n", err);
 667                */
 668        }
 669
 670        for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; 
 671              substream; 
 672              substream = substream->next) {
 673                if ((err = snd_pcm_lib_preallocate_pages(substream, 
 674                                                   SNDRV_DMA_TYPE_DEV, 
 675                                                   snd_dma_pci_data(emu->pci), 
 676                                                   65536 - 64, 65536 - 64)) < 0)
 677                        return err;
 678                /*
 679                dev_dbg(emu->card->dev,
 680                           "preallocate capture substream: err=%d\n", err);
 681                */
 682        }
 683  
 684        return 0;
 685}
 686
 687static int snd_p16v_volume_info(struct snd_kcontrol *kcontrol,
 688                                struct snd_ctl_elem_info *uinfo)
 689{
 690        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 691        uinfo->count = 2;
 692        uinfo->value.integer.min = 0;
 693        uinfo->value.integer.max = 255;
 694        return 0;
 695}
 696
 697static int snd_p16v_volume_get(struct snd_kcontrol *kcontrol,
 698                               struct snd_ctl_elem_value *ucontrol)
 699{
 700        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 701        int high_low = (kcontrol->private_value >> 8) & 0xff;
 702        int reg = kcontrol->private_value & 0xff;
 703        u32 value;
 704
 705        value = snd_emu10k1_ptr20_read(emu, reg, high_low);
 706        if (high_low) {
 707                ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
 708                ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
 709        } else {
 710                ucontrol->value.integer.value[0] = 0xff - ((value >> 8) & 0xff); /* Left */
 711                ucontrol->value.integer.value[1] = 0xff - ((value >> 0) & 0xff); /* Right */
 712        }
 713        return 0;
 714}
 715
 716static int snd_p16v_volume_put(struct snd_kcontrol *kcontrol,
 717                               struct snd_ctl_elem_value *ucontrol)
 718{
 719        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 720        int high_low = (kcontrol->private_value >> 8) & 0xff;
 721        int reg = kcontrol->private_value & 0xff;
 722        u32 value, oval;
 723
 724        oval = value = snd_emu10k1_ptr20_read(emu, reg, 0);
 725        if (high_low == 1) {
 726                value &= 0xffff;
 727                value |= ((0xff - ucontrol->value.integer.value[0]) << 24) |
 728                        ((0xff - ucontrol->value.integer.value[1]) << 16);
 729        } else {
 730                value &= 0xffff0000;
 731                value |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
 732                        ((0xff - ucontrol->value.integer.value[1]) );
 733        }
 734        if (value != oval) {
 735                snd_emu10k1_ptr20_write(emu, reg, 0, value);
 736                return 1;
 737        }
 738        return 0;
 739}
 740
 741static int snd_p16v_capture_source_info(struct snd_kcontrol *kcontrol,
 742                                        struct snd_ctl_elem_info *uinfo)
 743{
 744        static const char * const texts[8] = {
 745                "SPDIF", "I2S", "SRC48", "SRCMulti_SPDIF", "SRCMulti_I2S",
 746                "CDIF", "FX", "AC97"
 747        };
 748
 749        return snd_ctl_enum_info(uinfo, 1, 8, texts);
 750}
 751
 752static int snd_p16v_capture_source_get(struct snd_kcontrol *kcontrol,
 753                                        struct snd_ctl_elem_value *ucontrol)
 754{
 755        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 756
 757        ucontrol->value.enumerated.item[0] = emu->p16v_capture_source;
 758        return 0;
 759}
 760
 761static int snd_p16v_capture_source_put(struct snd_kcontrol *kcontrol,
 762                                        struct snd_ctl_elem_value *ucontrol)
 763{
 764        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 765        unsigned int val;
 766        int change = 0;
 767        u32 mask;
 768        u32 source;
 769
 770        val = ucontrol->value.enumerated.item[0] ;
 771        if (val > 7)
 772                return -EINVAL;
 773        change = (emu->p16v_capture_source != val);
 774        if (change) {
 775                emu->p16v_capture_source = val;
 776                source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
 777                mask = snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & 0xffff;
 778                snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, source | mask);
 779        }
 780        return change;
 781}
 782
 783static int snd_p16v_capture_channel_info(struct snd_kcontrol *kcontrol,
 784                                         struct snd_ctl_elem_info *uinfo)
 785{
 786        static const char * const texts[4] = { "0", "1", "2", "3", };
 787
 788        return snd_ctl_enum_info(uinfo, 1, 4, texts);
 789}
 790
 791static int snd_p16v_capture_channel_get(struct snd_kcontrol *kcontrol,
 792                                        struct snd_ctl_elem_value *ucontrol)
 793{
 794        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 795
 796        ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
 797        return 0;
 798}
 799
 800static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol,
 801                                        struct snd_ctl_elem_value *ucontrol)
 802{
 803        struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 804        unsigned int val;
 805        int change = 0;
 806        u32 tmp;
 807
 808        val = ucontrol->value.enumerated.item[0] ;
 809        if (val > 3)
 810                return -EINVAL;
 811        change = (emu->p16v_capture_channel != val);
 812        if (change) {
 813                emu->p16v_capture_channel = val;
 814                tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
 815                snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
 816        }
 817        return change;
 818}
 819static const DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1);
 820
 821#define P16V_VOL(xname,xreg,xhl) { \
 822        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 823        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
 824                  SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
 825        .info = snd_p16v_volume_info, \
 826        .get = snd_p16v_volume_get, \
 827        .put = snd_p16v_volume_put, \
 828        .tlv = { .p = snd_p16v_db_scale1 },     \
 829        .private_value = ((xreg) | ((xhl) << 8)) \
 830}
 831
 832static struct snd_kcontrol_new p16v_mixer_controls[] = {
 833        P16V_VOL("HD Analog Front Playback Volume", PLAYBACK_VOLUME_MIXER9, 0),
 834        P16V_VOL("HD Analog Rear Playback Volume", PLAYBACK_VOLUME_MIXER10, 1),
 835        P16V_VOL("HD Analog Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER9, 1),
 836        P16V_VOL("HD Analog Side Playback Volume", PLAYBACK_VOLUME_MIXER10, 0),
 837        P16V_VOL("HD SPDIF Front Playback Volume", PLAYBACK_VOLUME_MIXER7, 0),
 838        P16V_VOL("HD SPDIF Rear Playback Volume", PLAYBACK_VOLUME_MIXER8, 1),
 839        P16V_VOL("HD SPDIF Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER7, 1),
 840        P16V_VOL("HD SPDIF Side Playback Volume", PLAYBACK_VOLUME_MIXER8, 0),
 841        {
 842                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 843                .name =         "HD source Capture",
 844                .info =         snd_p16v_capture_source_info,
 845                .get =          snd_p16v_capture_source_get,
 846                .put =          snd_p16v_capture_source_put
 847        },
 848        {
 849                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 850                .name =         "HD channel Capture",
 851                .info =         snd_p16v_capture_channel_info,
 852                .get =          snd_p16v_capture_channel_get,
 853                .put =          snd_p16v_capture_channel_put
 854        },
 855};
 856
 857
 858int snd_p16v_mixer(struct snd_emu10k1 *emu)
 859{
 860        int i, err;
 861        struct snd_card *card = emu->card;
 862
 863        for (i = 0; i < ARRAY_SIZE(p16v_mixer_controls); i++) {
 864                if ((err = snd_ctl_add(card, snd_ctl_new1(&p16v_mixer_controls[i],
 865                                                          emu))) < 0)
 866                        return err;
 867        }
 868        return 0;
 869}
 870
 871#ifdef CONFIG_PM_SLEEP
 872
 873#define NUM_CHS 1       /* up to 4, but only first channel is used */
 874
 875int snd_p16v_alloc_pm_buffer(struct snd_emu10k1 *emu)
 876{
 877        emu->p16v_saved = vmalloc(array_size(NUM_CHS * 4, 0x80));
 878        if (! emu->p16v_saved)
 879                return -ENOMEM;
 880        return 0;
 881}
 882
 883void snd_p16v_free_pm_buffer(struct snd_emu10k1 *emu)
 884{
 885        vfree(emu->p16v_saved);
 886}
 887
 888void snd_p16v_suspend(struct snd_emu10k1 *emu)
 889{
 890        int i, ch;
 891        unsigned int *val;
 892
 893        val = emu->p16v_saved;
 894        for (ch = 0; ch < NUM_CHS; ch++)
 895                for (i = 0; i < 0x80; i++, val++)
 896                        *val = snd_emu10k1_ptr20_read(emu, i, ch);
 897}
 898
 899void snd_p16v_resume(struct snd_emu10k1 *emu)
 900{
 901        int i, ch;
 902        unsigned int *val;
 903
 904        val = emu->p16v_saved;
 905        for (ch = 0; ch < NUM_CHS; ch++)
 906                for (i = 0; i < 0x80; i++, val++)
 907                        snd_emu10k1_ptr20_write(emu, i, ch, *val);
 908}
 909#endif
 910