sound/pci/emu10k1/p16v.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
   4  *  Driver p16v chips
   5  *  Version: 0.25
   6  *
   7  *  FEATURES currently supported:
   8  *    Output fixed at S32_LE, 2 channel to hw:0,0
   9  *    Rates: 44.1, 48, 96, 192.
  10  *
  11  *  Changelog:
  12  *  0.8
  13  *    Use separate card based buffer for periods table.
  14  *  0.9
  15  *    Use 2 channel output streams instead of 8 channel.
  16  *       (8 channel output streams might be good for ASIO type output)
  17  *    Corrected speaker output, so Front -> Front etc.
  18  *  0.10
  19  *    Fixed missed interrupts.
  20  *  0.11
  21  *    Add Sound card model number and names.
  22  *    Add Analog volume controls.
  23  *  0.12
  24  *    Corrected playback interrupts. Now interrupt per period, instead of half period.
  25  *  0.13
  26  *    Use single trigger for multichannel.
  27  *  0.14
  28  *    Mic capture now works at fixed: S32_LE, 96000Hz, Stereo.
  29  *  0.15
  30  *    Force buffer_size / period_size == INTEGER.
  31  *  0.16
  32  *    Update p16v.c to work with changed alsa api.
  33  *  0.17
  34  *    Update p16v.c to work with changed alsa api. Removed boot_devs.
  35  *  0.18
  36  *    Merging with snd-emu10k1 driver.
  37  *  0.19
  38  *    One stereo channel at 24bit now works.
  39  *  0.20
  40  *    Added better register defines.
  41  *  0.21
  42  *    Integrated with snd-emu10k1 driver.
  43  *  0.22
  44  *    Removed #if 0 ... #endif
  45  *  0.23
  46  *    Implement different capture rates.
  47  *  0.24
  48  *    Implement different capture source channels.
  49  *    e.g. When HD Capture source is set to SPDIF,
  50  *    setting HD Capture channel to 0 captures from CDROM digital input.
  51  *    setting HD Capture channel to 1 captures from SPDIF in.
  52  *  0.25
  53  *    Include capture buffer sizes.
  54  *
  55  *  BUGS:
  56  *    Some stability problems when unloading the snd-p16v kernel module.
  57  *    --
  58  *
  59  *  TODO:
  60  *    SPDIF out.
  61  *    Find out how to change capture sample rates. E.g. To record SPDIF at 48000Hz.
  62  *    Currently capture fixed at 48000Hz.
  63  *
  64  *    --
  65  *  GENERAL INFO:
  66  *    Model: SB0240
  67  *    P16V Chip: CA0151-DBS
  68  *    Audigy 2 Chip: CA0102-IAT
  69  *    AC97 Codec: STAC 9721
  70  *    ADC: Philips 1361T (Stereo 24bit)
  71  *    DAC: CS4382-K (8-channel, 24bit, 192Khz)
  72  *
  73  *  This code was initially based on code from ALSA's emu10k1x.c which is:
  74  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
  75  */
  76 #include <linux/delay.h>
  77 #include <linux/init.h>
  78 #include <linux/interrupt.h>
  79 #include <linux/pci.h>
  80 #include <linux/slab.h>
  81 #include <linux/vmalloc.h>
  82 #include <linux/moduleparam.h>
  83 #include <sound/core.h>
  84 #include <sound/initval.h>
  85 #include <sound/pcm.h>
  86 #include <sound/ac97_codec.h>
  87 #include <sound/info.h>
  88 #include <sound/tlv.h>
  89 #include <sound/emu10k1.h>
  90 #include "p16v.h"
  91
  92 #define SET_CHANNEL 0  /* Testing channel outputs 0=Front, 1=Center/LFE, 2=Unknown, 3=Rear */
  93 #define PCM_FRONT_CHANNEL 0
  94 #define PCM_REAR_CHANNEL 1
  95 #define PCM_CENTER_LFE_CHANNEL 2
  96 #define PCM_SIDE_CHANNEL 3
  97 #define CONTROL_FRONT_CHANNEL 0
  98 #define CONTROL_REAR_CHANNEL 3
  99 #define CONTROL_CENTER_LFE_CHANNEL 1
 100 #define CONTROL_SIDE_CHANNEL 2
 101
 102 /* Card IDs:
 103  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2002 -> Audigy2 ZS 7.1 Model:SB0350
 104  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1007 -> Audigy2 6.1    Model:SB0240
 105  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:1002 -> Audigy2 Platinum  Model:SB msb0240230009266
 106  * Class 0401: 1102:0004 (rev 04) Subsystem: 1102:2007 -> Audigy4 Pro Model:SB0380 M1SB0380472001901E
 107  *
 108  */
 109
 110  /* hardware definition */
 111 static const struct snd_pcm_hardware snd_p16v_playback_hw = {
 112         .info =                 SNDRV_PCM_INFO_MMAP |
 113                                 SNDRV_PCM_INFO_INTERLEAVED |
 114                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 115                                 SNDRV_PCM_INFO_RESUME |
 116                                 SNDRV_PCM_INFO_MMAP_VALID |
 117                                 SNDRV_PCM_INFO_SYNC_START,
 118         .formats =              SNDRV_PCM_FMTBIT_S32_LE, /* Only supports 24-bit samples padded to 32 bits. */
 119         .rates =                SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
 120         .rate_min =             44100,
 121         .rate_max =             192000,
 122         .channels_min =         8,
 123         .channels_max =         8,
 124         .buffer_bytes_max =     ((65536 - 64) * 8),
 125         .period_bytes_min =     64,
 126         .period_bytes_max =     (65536 - 64),
 127         .periods_min =          2,
 128         .periods_max =          8,
 129         .fifo_size =            0,
 130 };
 131
 132 static const struct snd_pcm_hardware snd_p16v_capture_hw = {
 133         .info =                 (SNDRV_PCM_INFO_MMAP |
 134                                  SNDRV_PCM_INFO_INTERLEAVED |
 135                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 136                                  SNDRV_PCM_INFO_RESUME |
 137                                  SNDRV_PCM_INFO_MMAP_VALID),
 138         .formats =              SNDRV_PCM_FMTBIT_S32_LE,
 139         .rates =                SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100,
 140         .rate_min =             44100,
 141         .rate_max =             192000,
 142         .channels_min =         2,
 143         .channels_max =         2,
 144         .buffer_bytes_max =     (65536 - 64),
 145         .period_bytes_min =     64,
 146         .period_bytes_max =     (65536 - 128) >> 1,  /* size has to be N*64 bytes */
 147         .periods_min =          2,
 148         .periods_max =          2,
 149         .fifo_size =            0,
 150 };
 151
 152 static void snd_p16v_pcm_free_substream(struct snd_pcm_runtime *runtime)
 153 {
 154         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 155
 156         kfree(epcm);
 157 }
 158
 159 /* open_playback callback */
 160 static int snd_p16v_pcm_open_playback_channel(struct snd_pcm_substream *substream, int channel_id)
 161 {
 162         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 163         struct snd_emu10k1_voice *channel = &(emu->p16v_voices[channel_id]);
 164         struct snd_emu10k1_pcm *epcm;
 165         struct snd_pcm_runtime *runtime = substream->runtime;
 166         int err;
 167
 168         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 169         /* dev_dbg(emu->card->dev, "epcm kcalloc: %p\n", epcm); */
 170
 171         if (epcm == NULL)
 172                 return -ENOMEM;
 173         epcm->emu = emu;
 174         epcm->substream = substream;
 175         /*
 176         dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
 177                    substream->pcm->device, channel_id);
 178         */
 179         runtime->private_data = epcm;
 180         runtime->private_free = snd_p16v_pcm_free_substream;
 181
 182         runtime->hw = snd_p16v_playback_hw;
 183
 184         channel->emu = emu;
 185         channel->number = channel_id;
 186
 187         channel->use=1;
 188 #if 0 /* debug */
 189         dev_dbg(emu->card->dev,
 190                    "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 191                    channel_id, channel, channel->use);
 192         dev_dbg(emu->card->dev, "open:channel_id=%d, chip=%p, channel=%p\n",
 193                channel_id, chip, channel);
 194 #endif /* debug */
 195         /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 196         channel->epcm = epcm;
 197         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 198         if (err < 0)
 199                 return err;
 200
 201         runtime->sync.id32[0] = substream->pcm->card->number;
 202         runtime->sync.id32[1] = 'P';
 203         runtime->sync.id32[2] = 16;
 204         runtime->sync.id32[3] = 'V';
 205
 206         return 0;
 207 }
 208 /* open_capture callback */
 209 static int snd_p16v_pcm_open_capture_channel(struct snd_pcm_substream *substream, int channel_id)
 210 {
 211         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 212         struct snd_emu10k1_voice *channel = &(emu->p16v_capture_voice);
 213         struct snd_emu10k1_pcm *epcm;
 214         struct snd_pcm_runtime *runtime = substream->runtime;
 215         int err;
 216
 217         epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
 218         /* dev_dbg(emu->card->dev, "epcm kcalloc: %p\n", epcm); */
 219
 220         if (epcm == NULL)
 221                 return -ENOMEM;
 222         epcm->emu = emu;
 223         epcm->substream = substream;
 224         /*
 225         dev_dbg(emu->card->dev, "epcm device=%d, channel_id=%d\n",
 226                    substream->pcm->device, channel_id);
 227         */
 228         runtime->private_data = epcm;
 229         runtime->private_free = snd_p16v_pcm_free_substream;
 230
 231         runtime->hw = snd_p16v_capture_hw;
 232
 233         channel->emu = emu;
 234         channel->number = channel_id;
 235
 236         channel->use=1;
 237 #if 0 /* debug */
 238         dev_dbg(emu->card->dev,
 239                    "p16v: open channel_id=%d, channel=%p, use=0x%x\n",
 240                    channel_id, channel, channel->use);
 241         dev_dbg(emu->card->dev, "open:channel_id=%d, chip=%p, channel=%p\n",
 242                channel_id, chip, channel);
 243 #endif /* debug */
 244         /* channel->interrupt = snd_p16v_pcm_channel_interrupt; */
 245         channel->epcm = epcm;
 246         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
 247         if (err < 0)
 248                 return err;
 249
 250         return 0;
 251 }
 252
 253
 254 /* close callback */
 255 static int snd_p16v_pcm_close_playback(struct snd_pcm_substream *substream)
 256 {
 257         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 258         //struct snd_pcm_runtime *runtime = substream->runtime;
 259         //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 260         emu->p16v_voices[substream->pcm->device - emu->p16v_device_offset].use = 0;
 261         /* FIXME: maybe zero others */
 262         return 0;
 263 }
 264
 265 /* close callback */
 266 static int snd_p16v_pcm_close_capture(struct snd_pcm_substream *substream)
 267 {
 268         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 269         //struct snd_pcm_runtime *runtime = substream->runtime;
 270         //struct snd_emu10k1_pcm *epcm = runtime->private_data;
 271         emu->p16v_capture_voice.use = 0;
 272         /* FIXME: maybe zero others */
 273         return 0;
 274 }
 275
 276 static int snd_p16v_pcm_open_playback_front(struct snd_pcm_substream *substream)
 277 {
 278         return snd_p16v_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
 279 }
 280
 281 static int snd_p16v_pcm_open_capture(struct snd_pcm_substream *substream)
 282 {
 283         // Only using channel 0 for now, but the card has 2 channels.
 284         return snd_p16v_pcm_open_capture_channel(substream, 0);
 285 }
 286
 287 /* prepare playback callback */
 288 static int snd_p16v_pcm_prepare_playback(struct snd_pcm_substream *substream)
 289 {
 290         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 291         struct snd_pcm_runtime *runtime = substream->runtime;
 292         int channel = substream->pcm->device - emu->p16v_device_offset;
 293         u32 *table_base = (u32 *)(emu->p16v_buffer->area+(8*16*channel));
 294         u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
 295         int i;
 296         u32 tmp;
 297
 298 #if 0 /* debug */
 299         dev_dbg(emu->card->dev,
 300                 "prepare:channel_number=%d, rate=%d, "
 301                    "format=0x%x, channels=%d, buffer_size=%ld, "
 302                    "period_size=%ld, periods=%u, frames_to_bytes=%d\n",
 303                    channel, runtime->rate, runtime->format, runtime->channels,
 304                    runtime->buffer_size, runtime->period_size,
 305                    runtime->periods, frames_to_bytes(runtime, 1));
 306         dev_dbg(emu->card->dev,
 307                 "dma_addr=%x, dma_area=%p, table_base=%p\n",
 308                    runtime->dma_addr, runtime->dma_area, table_base);
 309         dev_dbg(emu->card->dev,
 310                 "dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",
 311                    emu->p16v_buffer->addr, emu->p16v_buffer->area,
 312                    emu->p16v_buffer->bytes);
 313 #endif /* debug */
 314         tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 315         switch (runtime->rate) {
 316         case 44100:
 317           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x8080);
 318           break;
 319         case 96000:
 320           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x4040);
 321           break;
 322         case 192000:
 323           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x2020);
 324           break;
 325         case 48000:
 326         default:
 327           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0xe0e0) | 0x0000);
 328           break;
 329         }
 330         /* FIXME: Check emu->buffer.size before actually writing to it. */
 331         for(i = 0; i < runtime->periods; i++) {
 332                 table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
 333                 table_base[(i*2)+1]=period_size_bytes<<16;
 334         }
 335
 336         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_ADDR, channel, emu->p16v_buffer->addr+(8*16*channel));
 337         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
 338         snd_emu10k1_ptr20_write(emu, PLAYBACK_LIST_PTR, channel, 0);
 339         snd_emu10k1_ptr20_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
 340         //snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
 341         snd_emu10k1_ptr20_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
 342         snd_emu10k1_ptr20_write(emu, PLAYBACK_POINTER, channel, 0);
 343         snd_emu10k1_ptr20_write(emu, 0x07, channel, 0x0);
 344         snd_emu10k1_ptr20_write(emu, 0x08, channel, 0);
 345
 346         return 0;
 347 }
 348
 349 /* prepare capture callback */
 350 static int snd_p16v_pcm_prepare_capture(struct snd_pcm_substream *substream)
 351 {
 352         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 353         struct snd_pcm_runtime *runtime = substream->runtime;
 354         int channel = substream->pcm->device - emu->p16v_device_offset;
 355         u32 tmp;
 356
 357         /*
 358         dev_dbg(emu->card->dev, "prepare capture:channel_number=%d, rate=%d, "
 359                "format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, "
 360                "frames_to_bytes=%d\n",
 361                channel, runtime->rate, runtime->format, runtime->channels,
 362                runtime->buffer_size, runtime->period_size,
 363                frames_to_bytes(runtime, 1));
 364         */
 365         tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, channel);
 366         switch (runtime->rate) {
 367         case 44100:
 368           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0800);
 369           break;
 370         case 96000:
 371           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0400);
 372           break;
 373         case 192000:
 374           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0200);
 375           break;
 376         case 48000:
 377         default:
 378           snd_emu10k1_ptr_write(emu, A_SPDIF_SAMPLERATE, channel, (tmp & ~0x0e00) | 0x0000);
 379           break;
 380         }
 381         /* FIXME: Check emu->buffer.size before actually writing to it. */
 382         snd_emu10k1_ptr20_write(emu, 0x13, channel, 0);
 383         snd_emu10k1_ptr20_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
 384         snd_emu10k1_ptr20_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size) << 16); // buffer size in bytes
 385         snd_emu10k1_ptr20_write(emu, CAPTURE_POINTER, channel, 0);
 386         //snd_emu10k1_ptr20_write(emu, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC or Line in */
 387         //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
 388
 389         return 0;
 390 }
 391
 392 static void snd_p16v_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
 393 {
 394         unsigned long flags;
 395         unsigned int enable;
 396
 397         spin_lock_irqsave(&emu->emu_lock, flags);
 398         enable = inl(emu->port + INTE2) | intrenb;
 399         outl(enable, emu->port + INTE2);
 400         spin_unlock_irqrestore(&emu->emu_lock, flags);
 401 }
 402
 403 static void snd_p16v_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb)
 404 {
 405         unsigned long flags;
 406         unsigned int disable;
 407
 408         spin_lock_irqsave(&emu->emu_lock, flags);
 409         disable = inl(emu->port + INTE2) & (~intrenb);
 410         outl(disable, emu->port + INTE2);
 411         spin_unlock_irqrestore(&emu->emu_lock, flags);
 412 }
 413
 414 /* trigger_playback callback */
 415 static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 416                                     int cmd)
 417 {
 418         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 419         struct snd_pcm_runtime *runtime;
 420         struct snd_emu10k1_pcm *epcm;
 421         int channel;
 422         int result = 0;
 423         struct snd_pcm_substream *s;
 424         u32 basic = 0;
 425         u32 inte = 0;
 426         int running = 0;
 427
 428         switch (cmd) {
 429         case SNDRV_PCM_TRIGGER_START:
 430                 running=1;
 431                 break;
 432         case SNDRV_PCM_TRIGGER_STOP:
 433         default:
 434                 running = 0;
 435                 break;
 436         }
 437         snd_pcm_group_for_each_entry(s, substream) {
 438                 if (snd_pcm_substream_chip(s) != emu ||
 439                     s->stream != SNDRV_PCM_STREAM_PLAYBACK)
 440                         continue;
 441                 runtime = s->runtime;
 442                 epcm = runtime->private_data;
 443                 channel = substream->pcm->device-emu->p16v_device_offset;
 444                 /* dev_dbg(emu->card->dev, "p16v channel=%d\n", channel); */
 445                 epcm->running = running;
 446                 basic |= (0x1<<channel);
 447                 inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
 448                 snd_pcm_trigger_done(s, substream);
 449         }
 450         /* dev_dbg(emu->card->dev, "basic=0x%x, inte=0x%x\n", basic, inte); */
 451
 452         switch (cmd) {
 453         case SNDRV_PCM_TRIGGER_START:
 454                 snd_p16v_intr_enable(emu, inte);
 455                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
 456                 break;
 457         case SNDRV_PCM_TRIGGER_STOP:
 458                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
 459                 snd_p16v_intr_disable(emu, inte);
 460                 break;
 461         default:
 462                 result = -EINVAL;
 463                 break;
 464         }
 465         return result;
 466 }
 467
 468 /* trigger_capture callback */
 469 static int snd_p16v_pcm_trigger_capture(struct snd_pcm_substream *substream,
 470                                    int cmd)
 471 {
 472         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 473         struct snd_pcm_runtime *runtime = substream->runtime;
 474         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 475         int channel = 0;
 476         int result = 0;
 477         u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;
 478
 479         switch (cmd) {
 480         case SNDRV_PCM_TRIGGER_START:
 481                 snd_p16v_intr_enable(emu, inte);
 482                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
 483                 epcm->running = 1;
 484                 break;
 485         case SNDRV_PCM_TRIGGER_STOP:
 486                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
 487                 snd_p16v_intr_disable(emu, inte);
 488                 //snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
 489                 epcm->running = 0;
 490                 break;
 491         default:
 492                 result = -EINVAL;
 493                 break;
 494         }
 495         return result;
 496 }
 497
 498 /* pointer_playback callback */
 499 static snd_pcm_uframes_t
 500 snd_p16v_pcm_pointer_playback(struct snd_pcm_substream *substream)
 501 {
 502         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 503         struct snd_pcm_runtime *runtime = substream->runtime;
 504         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 505         snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
 506         int channel = substream->pcm->device - emu->p16v_device_offset;
 507         if (!epcm->running)
 508                 return 0;
 509
 510         ptr3 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 511         ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 512         ptr4 = snd_emu10k1_ptr20_read(emu, PLAYBACK_LIST_PTR, channel);
 513         if (ptr3 != ptr4) ptr1 = snd_emu10k1_ptr20_read(emu, PLAYBACK_POINTER, channel);
 514         ptr2 = bytes_to_frames(runtime, ptr1);
 515         ptr2+= (ptr4 >> 3) * runtime->period_size;
 516         ptr=ptr2;
 517         if (ptr >= runtime->buffer_size)
 518                 ptr -= runtime->buffer_size;
 519
 520         return ptr;
 521 }
 522
 523 /* pointer_capture callback */
 524 static snd_pcm_uframes_t
 525 snd_p16v_pcm_pointer_capture(struct snd_pcm_substream *substream)
 526 {
 527         struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
 528         struct snd_pcm_runtime *runtime = substream->runtime;
 529         struct snd_emu10k1_pcm *epcm = runtime->private_data;
 530         snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
 531         int channel = 0;
 532
 533         if (!epcm->running)
 534                 return 0;
 535
 536         ptr1 = snd_emu10k1_ptr20_read(emu, CAPTURE_POINTER, channel);
 537         ptr2 = bytes_to_frames(runtime, ptr1);
 538         ptr=ptr2;
 539         if (ptr >= runtime->buffer_size) {
 540                 ptr -= runtime->buffer_size;
 541                 dev_warn(emu->card->dev, "buffer capture limited!\n");
 542         }
 543         /*
 544         dev_dbg(emu->card->dev, "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, "
 545                "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n",
 546                ptr1, ptr2, ptr, (int)runtime->buffer_size,
 547                (int)runtime->period_size, (int)runtime->frame_bits,
 548                (int)runtime->rate);
 549         */
 550         return ptr;
 551 }
 552
 553 /* operators */
 554 static const struct snd_pcm_ops snd_p16v_playback_front_ops = {
 555         .open =        snd_p16v_pcm_open_playback_front,
 556         .close =       snd_p16v_pcm_close_playback,
 557         .prepare =     snd_p16v_pcm_prepare_playback,
 558         .trigger =     snd_p16v_pcm_trigger_playback,
 559         .pointer =     snd_p16v_pcm_pointer_playback,
 560 };
 561
 562 static const struct snd_pcm_ops snd_p16v_capture_ops = {
 563         .open =        snd_p16v_pcm_open_capture,
 564         .close =       snd_p16v_pcm_close_capture,
 565         .prepare =     snd_p16v_pcm_prepare_capture,
 566         .trigger =     snd_p16v_pcm_trigger_capture,
 567         .pointer =     snd_p16v_pcm_pointer_capture,
 568 };
 569
 570 int snd_p16v_pcm(struct snd_emu10k1 *emu, int device)
 571 {
 572         struct snd_pcm *pcm;
 573         struct snd_pcm_substream *substream;
 574         int err;
 575         int capture=1;
 576
 577         /* dev_dbg(emu->card->dev, "snd_p16v_pcm called. device=%d\n", device); */
 578         emu->p16v_device_offset = device;
 579
 580         err = snd_pcm_new(emu->card, "p16v", device, 1, capture, &pcm);
 581         if (err < 0)
 582                 return err;
 583
 584         pcm->private_data = emu;
 585         // Single playback 8 channel device.
 586         // Single capture 2 channel device.
 587         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_p16v_playback_front_ops);
 588         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_p16v_capture_ops);
 589
 590         pcm->info_flags = 0;
 591         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 592         strcpy(pcm->name, "p16v");
 593         emu->pcm_p16v = pcm;
 594
 595         for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 596             substream;
 597             substream = substream->next) {
 598                 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
 599                                            &emu->pci->dev,
 600                                            (65536 - 64) * 8,
 601                                            (65536 - 64) * 8);
 602                 /*
 603                 dev_dbg(emu->card->dev,
 604                            "preallocate playback substream: err=%d\n", err);
 605                 */
 606         }
 607
 608         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 609               substream;
 610               substream = substream->next) {
 611                 snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
 612                                            &emu->pci->dev,
 613                                            65536 - 64, 65536 - 64);
 614                 /*
 615                 dev_dbg(emu->card->dev,
 616                            "preallocate capture substream: err=%d\n", err);
 617                 */
 618         }
 619
 620         return 0;
 621 }
 622
 623 static int snd_p16v_volume_info(struct snd_kcontrol *kcontrol,
 624                                 struct snd_ctl_elem_info *uinfo)
 625 {
 626         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 627         uinfo->count = 2;
 628         uinfo->value.integer.min = 0;
 629         uinfo->value.integer.max = 255;
 630         return 0;
 631 }
 632
 633 static int snd_p16v_volume_get(struct snd_kcontrol *kcontrol,
 634                                struct snd_ctl_elem_value *ucontrol)
 635 {
 636         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 637         int high_low = (kcontrol->private_value >> 8) & 0xff;
 638         int reg = kcontrol->private_value & 0xff;
 639         u32 value;
 640
 641         value = snd_emu10k1_ptr20_read(emu, reg, high_low);
 642         if (high_low) {
 643                 ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
 644                 ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
 645         } else {
 646                 ucontrol->value.integer.value[0] = 0xff - ((value >> 8) & 0xff); /* Left */
 647                 ucontrol->value.integer.value[1] = 0xff - ((value >> 0) & 0xff); /* Right */
 648         }
 649         return 0;
 650 }
 651
 652 static int snd_p16v_volume_put(struct snd_kcontrol *kcontrol,
 653                                struct snd_ctl_elem_value *ucontrol)
 654 {
 655         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 656         int high_low = (kcontrol->private_value >> 8) & 0xff;
 657         int reg = kcontrol->private_value & 0xff;
 658         u32 value, oval;
 659
 660         oval = value = snd_emu10k1_ptr20_read(emu, reg, 0);
 661         if (high_low == 1) {
 662                 value &= 0xffff;
 663                 value |= ((0xff - ucontrol->value.integer.value[0]) << 24) |
 664                         ((0xff - ucontrol->value.integer.value[1]) << 16);
 665         } else {
 666                 value &= 0xffff0000;
 667                 value |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
 668                         ((0xff - ucontrol->value.integer.value[1]) );
 669         }
 670         if (value != oval) {
 671                 snd_emu10k1_ptr20_write(emu, reg, 0, value);
 672                 return 1;
 673         }
 674         return 0;
 675 }
 676
 677 static int snd_p16v_capture_source_info(struct snd_kcontrol *kcontrol,
 678                                         struct snd_ctl_elem_info *uinfo)
 679 {
 680         static const char * const texts[8] = {
 681                 "SPDIF", "I2S", "SRC48", "SRCMulti_SPDIF", "SRCMulti_I2S",
 682                 "CDIF", "FX", "AC97"
 683         };
 684
 685         return snd_ctl_enum_info(uinfo, 1, 8, texts);
 686 }
 687
 688 static int snd_p16v_capture_source_get(struct snd_kcontrol *kcontrol,
 689                                         struct snd_ctl_elem_value *ucontrol)
 690 {
 691         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 692
 693         ucontrol->value.enumerated.item[0] = emu->p16v_capture_source;
 694         return 0;
 695 }
 696
 697 static int snd_p16v_capture_source_put(struct snd_kcontrol *kcontrol,
 698                                         struct snd_ctl_elem_value *ucontrol)
 699 {
 700         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 701         unsigned int val;
 702         int change = 0;
 703         u32 mask;
 704         u32 source;
 705
 706         val = ucontrol->value.enumerated.item[0] ;
 707         if (val > 7)
 708                 return -EINVAL;
 709         change = (emu->p16v_capture_source != val);
 710         if (change) {
 711                 emu->p16v_capture_source = val;
 712                 source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
 713                 mask = snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & 0xffff;
 714                 snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, source | mask);
 715         }
 716         return change;
 717 }
 718
 719 static int snd_p16v_capture_channel_info(struct snd_kcontrol *kcontrol,
 720                                          struct snd_ctl_elem_info *uinfo)
 721 {
 722         static const char * const texts[4] = { "0", "1", "2", "3", };
 723
 724         return snd_ctl_enum_info(uinfo, 1, 4, texts);
 725 }
 726
 727 static int snd_p16v_capture_channel_get(struct snd_kcontrol *kcontrol,
 728                                         struct snd_ctl_elem_value *ucontrol)
 729 {
 730         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 731
 732         ucontrol->value.enumerated.item[0] = emu->p16v_capture_channel;
 733         return 0;
 734 }
 735
 736 static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol,
 737                                         struct snd_ctl_elem_value *ucontrol)
 738 {
 739         struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
 740         unsigned int val;
 741         int change = 0;
 742         u32 tmp;
 743
 744         val = ucontrol->value.enumerated.item[0] ;
 745         if (val > 3)
 746                 return -EINVAL;
 747         change = (emu->p16v_capture_channel != val);
 748         if (change) {
 749                 emu->p16v_capture_channel = val;
 750                 tmp = snd_emu10k1_ptr20_read(emu, CAPTURE_P16V_SOURCE, 0) & 0xfffc;
 751                 snd_emu10k1_ptr20_write(emu, CAPTURE_P16V_SOURCE, 0, tmp | val);
 752         }
 753         return change;
 754 }
 755 static const DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1);
 756
 757 #define P16V_VOL(xname,xreg,xhl) { \
 758         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 759         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |             \
 760                   SNDRV_CTL_ELEM_ACCESS_TLV_READ,               \
 761         .info = snd_p16v_volume_info, \
 762         .get = snd_p16v_volume_get, \
 763         .put = snd_p16v_volume_put, \
 764         .tlv = { .p = snd_p16v_db_scale1 },     \
 765         .private_value = ((xreg) | ((xhl) << 8)) \
 766 }
 767
 768 static const struct snd_kcontrol_new p16v_mixer_controls[] = {
 769         P16V_VOL("HD Analog Front Playback Volume", PLAYBACK_VOLUME_MIXER9, 0),
 770         P16V_VOL("HD Analog Rear Playback Volume", PLAYBACK_VOLUME_MIXER10, 1),
 771         P16V_VOL("HD Analog Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER9, 1),
 772         P16V_VOL("HD Analog Side Playback Volume", PLAYBACK_VOLUME_MIXER10, 0),
 773         P16V_VOL("HD SPDIF Front Playback Volume", PLAYBACK_VOLUME_MIXER7, 0),
 774         P16V_VOL("HD SPDIF Rear Playback Volume", PLAYBACK_VOLUME_MIXER8, 1),
 775         P16V_VOL("HD SPDIF Center/LFE Playback Volume", PLAYBACK_VOLUME_MIXER7, 1),
 776         P16V_VOL("HD SPDIF Side Playback Volume", PLAYBACK_VOLUME_MIXER8, 0),
 777         {
 778                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 779                 .name =         "HD source Capture",
 780                 .info =         snd_p16v_capture_source_info,
 781                 .get =          snd_p16v_capture_source_get,
 782                 .put =          snd_p16v_capture_source_put
 783         },
 784         {
 785                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 786                 .name =         "HD channel Capture",
 787                 .info =         snd_p16v_capture_channel_info,
 788                 .get =          snd_p16v_capture_channel_get,
 789                 .put =          snd_p16v_capture_channel_put
 790         },
 791 };
 792
 793
 794 int snd_p16v_mixer(struct snd_emu10k1 *emu)
 795 {
 796         int i, err;
 797         struct snd_card *card = emu->card;
 798
 799         for (i = 0; i < ARRAY_SIZE(p16v_mixer_controls); i++) {
 800                 err = snd_ctl_add(card, snd_ctl_new1(&p16v_mixer_controls[i], emu));
 801                 if (err < 0)
 802                         return err;
 803         }
 804         return 0;
 805 }
 806
 807 #ifdef CONFIG_PM_SLEEP
 808
 809 #define NUM_CHS 1       /* up to 4, but only first channel is used */
 810
 811 int snd_p16v_alloc_pm_buffer(struct snd_emu10k1 *emu)
 812 {
 813         emu->p16v_saved = vmalloc(array_size(NUM_CHS * 4, 0x80));
 814         if (! emu->p16v_saved)
 815                 return -ENOMEM;
 816         return 0;
 817 }
 818
 819 void snd_p16v_free_pm_buffer(struct snd_emu10k1 *emu)
 820 {
 821         vfree(emu->p16v_saved);
 822 }
 823
 824 void snd_p16v_suspend(struct snd_emu10k1 *emu)
 825 {
 826         int i, ch;
 827         unsigned int *val;
 828
 829         val = emu->p16v_saved;
 830         for (ch = 0; ch < NUM_CHS; ch++)
 831                 for (i = 0; i < 0x80; i++, val++)
 832                         *val = snd_emu10k1_ptr20_read(emu, i, ch);
 833 }
 834
 835 void snd_p16v_resume(struct snd_emu10k1 *emu)
 836 {
 837         int i, ch;
 838         unsigned int *val;
 839
 840         val = emu->p16v_saved;
 841         for (ch = 0; ch < NUM_CHS; ch++)
 842                 for (i = 0; i < 0x80; i++, val++)
 843                         snd_emu10k1_ptr20_write(emu, i, ch, *val);
 844 }
 845 #endif