sound/pci/ca0106/ca0106_main.c

   1 /*
   2  *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
   3  *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
   4  *  Version: 0.0.22
   5  *
   6  *  FEATURES currently supported:
   7  *    Front, Rear and Center/LFE.
   8  *    Surround40 and Surround51.
   9  *    Capture from MIC an LINE IN input.
  10  *    SPDIF digital playback of PCM stereo and AC3/DTS works.
  11  *    (One can use a standard mono mini-jack to one RCA plugs cable.
  12  *     or one can use a standard stereo mini-jack to two RCA plugs cable.
  13  *     Plug one of the RCA plugs into the Coax input of the external decoder/receiver.)
  14  *    ( In theory one could output 3 different AC3 streams at once, to 3 different SPDIF outputs. )
  15  *    Notes on how to capture sound:
  16  *      The AC97 is used in the PLAYBACK direction.
  17  *      The output from the AC97 chip, instead of reaching the speakers, is fed into the Philips 1361T ADC.
  18  *      So, to record from the MIC, set the MIC Playback volume to max,
  19  *      unmute the MIC and turn up the MASTER Playback volume.
  20  *      So, to prevent feedback when capturing, minimise the "Capture feedback into Playback" volume.
  21  *
  22  *    The only playback controls that currently do anything are: -
  23  *    Analog Front
  24  *    Analog Rear
  25  *    Analog Center/LFE
  26  *    SPDIF Front
  27  *    SPDIF Rear
  28  *    SPDIF Center/LFE
  29  *
  30  *    For capture from Mic in or Line in.
  31  *    Digital/Analog ( switch must be in Analog mode for CAPTURE. )
  32  *
  33  *    CAPTURE feedback into PLAYBACK
  34  *
  35  *  Changelog:
  36  *    Support interrupts per period.
  37  *    Removed noise from Center/LFE channel when in Analog mode.
  38  *    Rename and remove mixer controls.
  39  *  0.0.6
  40  *    Use separate card based DMA buffer for periods table list.
  41  *  0.0.7
  42  *    Change remove and rename ctrls into lists.
  43  *  0.0.8
  44  *    Try to fix capture sources.
  45  *  0.0.9
  46  *    Fix AC3 output.
  47  *    Enable S32_LE format support.
  48  *  0.0.10
  49  *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
  50  *  0.0.11
  51  *    Add Model name recognition.
  52  *  0.0.12
  53  *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
  54  *    Remove redundent "voice" handling.
  55  *  0.0.13
  56  *    Single trigger call for multi channels.
  57  *  0.0.14
  58  *    Set limits based on what the sound card hardware can do.
  59  *    playback periods_min=2, periods_max=8
  60  *    capture hw constraints require period_size = n * 64 bytes.
  61  *    playback hw constraints require period_size = n * 64 bytes.
  62  *  0.0.15
  63  *    Minor updates.
  64  *  0.0.16
  65  *    Implement 192000 sample rate.
  66  *  0.0.17
  67  *    Add support for SB0410 and SB0413.
  68  *  0.0.18
  69  *    Modified Copyright message.
  70  *  0.0.19
  71  *    Finally fix support for SB Live 24 bit. SB0410 and SB0413.
  72  *    The output codec needs resetting, otherwise all output is muted.
  73  *  0.0.20
  74  *    Merge "pci_disable_device(pci);" fixes.
  75  *  0.0.21
  76  *    Add 4 capture channels. (SPDIF only comes in on channel 0. )
  77  *    Add SPDIF capture using optional digital I/O module for SB Live 24bit. (Analog capture does not yet work.)
  78  *  0.0.22
  79  *    Add support for MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97. From kiksen, bug #901
  80  *
  81  *  BUGS:
  82  *    Some stability problems when unloading the snd-ca0106 kernel module.
  83  *    --
  84  *
  85  *  TODO:
  86  *    4 Capture channels, only one implemented so far.
  87  *    Other capture rates apart from 48khz not implemented.
  88  *    MIDI
  89  *    --
  90  *  GENERAL INFO:
  91  *    Model: SB0310
  92  *    P17 Chip: CA0106-DAT
  93  *    AC97 Codec: STAC 9721
  94  *    ADC: Philips 1361T (Stereo 24bit)
  95  *    DAC: WM8746EDS (6-channel, 24bit, 192Khz)
  96  *
  97  *  GENERAL INFO:
  98  *    Model: SB0410
  99  *    P17 Chip: CA0106-DAT
 100  *    AC97 Codec: None
 101  *    ADC: WM8775EDS (4 Channel)
 102  *    DAC: CS4382 (114 dB, 24-Bit, 192 kHz, 8-Channel D/A Converter with DSD Support)
 103  *    SPDIF Out control switches between Mic in and SPDIF out.
 104  *    No sound out or mic input working yet.
 105  *
 106  *  GENERAL INFO:
 107  *    Model: SB0413
 108  *    P17 Chip: CA0106-DAT
 109  *    AC97 Codec: None.
 110  *    ADC: Unknown
 111  *    DAC: Unknown
 112  *    Trying to handle it like the SB0410.
 113  *
 114  *  This code was initally based on code from ALSA's emu10k1x.c which is:
 115  *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
 116  *
 117  *   This program is free software; you can redistribute it and/or modify
 118  *   it under the terms of the GNU General Public License as published by
 119  *   the Free Software Foundation; either version 2 of the License, or
 120  *   (at your option) any later version.
 121  *
 122  *   This program is distributed in the hope that it will be useful,
 123  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 124  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 125  *   GNU General Public License for more details.
 126  *
 127  *   You should have received a copy of the GNU General Public License
 128  *   along with this program; if not, write to the Free Software
 129  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 130  *
 131  */
 132 #include <sound/driver.h>
 133 #include <linux/delay.h>
 134 #include <linux/init.h>
 135 #include <linux/interrupt.h>
 136 #include <linux/pci.h>
 137 #include <linux/slab.h>
 138 #include <linux/moduleparam.h>
 139 #include <sound/core.h>
 140 #include <sound/initval.h>
 141 #include <sound/pcm.h>
 142 #include <sound/ac97_codec.h>
 143 #include <sound/info.h>
 144
 145 MODULE_AUTHOR("James Courtier-Dutton <James@superbug.demon.co.uk>");
 146 MODULE_DESCRIPTION("CA0106");
 147 MODULE_LICENSE("GPL");
 148 MODULE_SUPPORTED_DEVICE("{{Creative,SB CA0106 chip}}");
 149
 150 // module parameters (see "Module Parameters")
 151 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 152 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 153 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 154
 155 module_param_array(index, int, NULL, 0444);
 156 MODULE_PARM_DESC(index, "Index value for the CA0106 soundcard.");
 157 module_param_array(id, charp, NULL, 0444);
 158 MODULE_PARM_DESC(id, "ID string for the CA0106 soundcard.");
 159 module_param_array(enable, bool, NULL, 0444);
 160 MODULE_PARM_DESC(enable, "Enable the CA0106 soundcard.");
 161
 162 #include "ca0106.h"
 163
 164 typedef struct {
 165         u32 serial;
 166         char * name;
 167 } ca0106_names_t;
 168
 169 static ca0106_names_t ca0106_chip_names[] = {
 170          { 0x10021102, "AudigyLS [SB0310]"} ,
 171          { 0x10051102, "AudigyLS [SB0310b]"} , /* Unknown AudigyLS that also says SB0310 on it */
 172          { 0x10061102, "Live! 7.1 24bit [SB0410]"} , /* New Sound Blaster Live! 7.1 24bit. This does not have an AC97. 53SB041000001 */
 173          { 0x10071102, "Live! 7.1 24bit [SB0413]"} , /* New Dell Sound Blaster Live! 7.1 24bit. This does not have an AC97.  */
 174          { 0x10091462, "MSI K8N Diamond MB [SB0438]"}, /* MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97 */
 175          { 0, "AudigyLS [Unknown]" }
 176 };
 177
 178 /* hardware definition */
 179 static snd_pcm_hardware_t snd_ca0106_playback_hw = {
 180         .info =                 (SNDRV_PCM_INFO_MMAP |
 181                                  SNDRV_PCM_INFO_INTERLEAVED |
 182                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 183                                  SNDRV_PCM_INFO_MMAP_VALID),
 184         .formats =              SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
 185         .rates =                SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
 186         .rate_min =             48000,
 187         .rate_max =             192000,
 188         .channels_min =         2,  //1,
 189         .channels_max =         2,  //6,
 190         .buffer_bytes_max =     ((65536 - 64) * 8),
 191         .period_bytes_min =     64,
 192         .period_bytes_max =     (65536 - 64),
 193         .periods_min =          2,
 194         .periods_max =          8,
 195         .fifo_size =            0,
 196 };
 197
 198 static snd_pcm_hardware_t snd_ca0106_capture_hw = {
 199         .info =                 (SNDRV_PCM_INFO_MMAP |
 200                                  SNDRV_PCM_INFO_INTERLEAVED |
 201                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
 202                                  SNDRV_PCM_INFO_MMAP_VALID),
 203         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
 204         .rates =                SNDRV_PCM_RATE_48000,
 205         .rate_min =             48000,
 206         .rate_max =             48000,
 207         .channels_min =         2,
 208         .channels_max =         2,
 209         .buffer_bytes_max =     ((65536 - 64) * 8),
 210         .period_bytes_min =     64,
 211         .period_bytes_max =     (65536 - 64),
 212         .periods_min =          2,
 213         .periods_max =          2,
 214         .fifo_size =            0,
 215 };
 216
 217 unsigned int snd_ca0106_ptr_read(ca0106_t * emu,
 218                                           unsigned int reg,
 219                                           unsigned int chn)
 220 {
 221         unsigned long flags;
 222         unsigned int regptr, val;
 223
 224         regptr = (reg << 16) | chn;
 225
 226         spin_lock_irqsave(&emu->emu_lock, flags);
 227         outl(regptr, emu->port + PTR);
 228         val = inl(emu->port + DATA);
 229         spin_unlock_irqrestore(&emu->emu_lock, flags);
 230         return val;
 231 }
 232
 233 void snd_ca0106_ptr_write(ca0106_t *emu,
 234                                    unsigned int reg,
 235                                    unsigned int chn,
 236                                    unsigned int data)
 237 {
 238         unsigned int regptr;
 239         unsigned long flags;
 240
 241         regptr = (reg << 16) | chn;
 242
 243         spin_lock_irqsave(&emu->emu_lock, flags);
 244         outl(regptr, emu->port + PTR);
 245         outl(data, emu->port + DATA);
 246         spin_unlock_irqrestore(&emu->emu_lock, flags);
 247 }
 248
 249 static void snd_ca0106_intr_enable(ca0106_t *emu, unsigned int intrenb)
 250 {
 251         unsigned long flags;
 252         unsigned int enable;
 253
 254         spin_lock_irqsave(&emu->emu_lock, flags);
 255         enable = inl(emu->port + INTE) | intrenb;
 256         outl(enable, emu->port + INTE);
 257         spin_unlock_irqrestore(&emu->emu_lock, flags);
 258 }
 259
 260 static void snd_ca0106_pcm_free_substream(snd_pcm_runtime_t *runtime)
 261 {
 262         ca0106_pcm_t *epcm = runtime->private_data;
 263
 264         if (epcm) {
 265                 kfree(epcm);
 266         }
 267 }
 268
 269 /* open_playback callback */
 270 static int snd_ca0106_pcm_open_playback_channel(snd_pcm_substream_t *substream, int channel_id)
 271 {
 272         ca0106_t *chip = snd_pcm_substream_chip(substream);
 273         ca0106_channel_t *channel = &(chip->playback_channels[channel_id]);
 274         ca0106_pcm_t *epcm;
 275         snd_pcm_runtime_t *runtime = substream->runtime;
 276         int err;
 277
 278         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 279
 280         if (epcm == NULL)
 281                 return -ENOMEM;
 282         epcm->emu = chip;
 283         epcm->substream = substream;
 284         epcm->channel_id=channel_id;
 285
 286         runtime->private_data = epcm;
 287         runtime->private_free = snd_ca0106_pcm_free_substream;
 288
 289         runtime->hw = snd_ca0106_playback_hw;
 290
 291         channel->emu = chip;
 292         channel->number = channel_id;
 293
 294         channel->use=1;
 295         //printk("open:channel_id=%d, chip=%p, channel=%p\n",channel_id, chip, channel);
 296         //channel->interrupt = snd_ca0106_pcm_channel_interrupt;
 297         channel->epcm=epcm;
 298         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 299                 return err;
 300         if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
 301                 return err;
 302         return 0;
 303 }
 304
 305 /* close callback */
 306 static int snd_ca0106_pcm_close_playback(snd_pcm_substream_t *substream)
 307 {
 308         ca0106_t *chip = snd_pcm_substream_chip(substream);
 309         snd_pcm_runtime_t *runtime = substream->runtime;
 310         ca0106_pcm_t *epcm = runtime->private_data;
 311         chip->playback_channels[epcm->channel_id].use=0;
 312 /* FIXME: maybe zero others */
 313         return 0;
 314 }
 315
 316 static int snd_ca0106_pcm_open_playback_front(snd_pcm_substream_t *substream)
 317 {
 318         return snd_ca0106_pcm_open_playback_channel(substream, PCM_FRONT_CHANNEL);
 319 }
 320
 321 static int snd_ca0106_pcm_open_playback_center_lfe(snd_pcm_substream_t *substream)
 322 {
 323         return snd_ca0106_pcm_open_playback_channel(substream, PCM_CENTER_LFE_CHANNEL);
 324 }
 325
 326 static int snd_ca0106_pcm_open_playback_unknown(snd_pcm_substream_t *substream)
 327 {
 328         return snd_ca0106_pcm_open_playback_channel(substream, PCM_UNKNOWN_CHANNEL);
 329 }
 330
 331 static int snd_ca0106_pcm_open_playback_rear(snd_pcm_substream_t *substream)
 332 {
 333         return snd_ca0106_pcm_open_playback_channel(substream, PCM_REAR_CHANNEL);
 334 }
 335
 336 /* open_capture callback */
 337 static int snd_ca0106_pcm_open_capture_channel(snd_pcm_substream_t *substream, int channel_id)
 338 {
 339         ca0106_t *chip = snd_pcm_substream_chip(substream);
 340         ca0106_channel_t *channel = &(chip->capture_channels[channel_id]);
 341         ca0106_pcm_t *epcm;
 342         snd_pcm_runtime_t *runtime = substream->runtime;
 343         int err;
 344
 345         epcm = kcalloc(1, sizeof(*epcm), GFP_KERNEL);
 346         if (epcm == NULL) {
 347                 snd_printk("open_capture_channel: failed epcm alloc\n");
 348                 return -ENOMEM;
 349         }
 350         epcm->emu = chip;
 351         epcm->substream = substream;
 352         epcm->channel_id=channel_id;
 353
 354         runtime->private_data = epcm;
 355         runtime->private_free = snd_ca0106_pcm_free_substream;
 356
 357         runtime->hw = snd_ca0106_capture_hw;
 358
 359         channel->emu = chip;
 360         channel->number = channel_id;
 361
 362         channel->use=1;
 363         //printk("open:channel_id=%d, chip=%p, channel=%p\n",channel_id, chip, channel);
 364         //channel->interrupt = snd_ca0106_pcm_channel_interrupt;
 365         channel->epcm=epcm;
 366         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
 367                 return err;
 368         //snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
 369         if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
 370                 return err;
 371         return 0;
 372 }
 373
 374 /* close callback */
 375 static int snd_ca0106_pcm_close_capture(snd_pcm_substream_t *substream)
 376 {
 377         ca0106_t *chip = snd_pcm_substream_chip(substream);
 378         snd_pcm_runtime_t *runtime = substream->runtime;
 379         ca0106_pcm_t *epcm = runtime->private_data;
 380         chip->capture_channels[epcm->channel_id].use=0;
 381 /* FIXME: maybe zero others */
 382         return 0;
 383 }
 384
 385 static int snd_ca0106_pcm_open_0_capture(snd_pcm_substream_t *substream)
 386 {
 387         return snd_ca0106_pcm_open_capture_channel(substream, 0);
 388 }
 389
 390 static int snd_ca0106_pcm_open_1_capture(snd_pcm_substream_t *substream)
 391 {
 392         return snd_ca0106_pcm_open_capture_channel(substream, 1);
 393 }
 394
 395 static int snd_ca0106_pcm_open_2_capture(snd_pcm_substream_t *substream)
 396 {
 397         return snd_ca0106_pcm_open_capture_channel(substream, 2);
 398 }
 399
 400 static int snd_ca0106_pcm_open_3_capture(snd_pcm_substream_t *substream)
 401 {
 402         return snd_ca0106_pcm_open_capture_channel(substream, 3);
 403 }
 404
 405 /* hw_params callback */
 406 static int snd_ca0106_pcm_hw_params_playback(snd_pcm_substream_t *substream,
 407                                       snd_pcm_hw_params_t * hw_params)
 408 {
 409         return snd_pcm_lib_malloc_pages(substream,
 410                                         params_buffer_bytes(hw_params));
 411 }
 412
 413 /* hw_free callback */
 414 static int snd_ca0106_pcm_hw_free_playback(snd_pcm_substream_t *substream)
 415 {
 416         return snd_pcm_lib_free_pages(substream);
 417 }
 418
 419 /* hw_params callback */
 420 static int snd_ca0106_pcm_hw_params_capture(snd_pcm_substream_t *substream,
 421                                       snd_pcm_hw_params_t * hw_params)
 422 {
 423         return snd_pcm_lib_malloc_pages(substream,
 424                                         params_buffer_bytes(hw_params));
 425 }
 426
 427 /* hw_free callback */
 428 static int snd_ca0106_pcm_hw_free_capture(snd_pcm_substream_t *substream)
 429 {
 430         return snd_pcm_lib_free_pages(substream);
 431 }
 432
 433 /* prepare playback callback */
 434 static int snd_ca0106_pcm_prepare_playback(snd_pcm_substream_t *substream)
 435 {
 436         ca0106_t *emu = snd_pcm_substream_chip(substream);
 437         snd_pcm_runtime_t *runtime = substream->runtime;
 438         ca0106_pcm_t *epcm = runtime->private_data;
 439         int channel = epcm->channel_id;
 440         u32 *table_base = (u32 *)(emu->buffer.area+(8*16*channel));
 441         u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
 442         u32 hcfg_mask = HCFG_PLAYBACK_S32_LE;
 443         u32 hcfg_set = 0x00000000;
 444         u32 hcfg;
 445         u32 reg40_mask = 0x30000 << (channel<<1);
 446         u32 reg40_set = 0;
 447         u32 reg40;
 448         /* FIXME: Depending on mixer selection of SPDIF out or not, select the spdif rate or the DAC rate. */
 449         u32 reg71_mask = 0x03030000 ; /* Global. Set SPDIF rate. We only support 44100 to spdif, not to DAC. */
 450         u32 reg71_set = 0;
 451         u32 reg71;
 452         int i;
 453
 454         //snd_printk("prepare:channel_number=%d, rate=%d, format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, periods=%u, frames_to_bytes=%d\n",channel, runtime->rate, runtime->format, runtime->channels, runtime->buffer_size, runtime->period_size, runtime->periods, frames_to_bytes(runtime, 1));
 455         //snd_printk("dma_addr=%x, dma_area=%p, table_base=%p\n",runtime->dma_addr, runtime->dma_area, table_base);
 456         //snd_printk("dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",emu->buffer.addr, emu->buffer.area, emu->buffer.bytes);
 457         /* Rate can be set per channel. */
 458         /* reg40 control host to fifo */
 459         /* reg71 controls DAC rate. */
 460         switch (runtime->rate) {
 461         case 44100:
 462                 reg40_set = 0x10000 << (channel<<1);
 463                 reg71_set = 0x01010000;
 464                 break;
 465         case 48000:
 466                 reg40_set = 0;
 467                 reg71_set = 0;
 468                 break;
 469         case 96000:
 470                 reg40_set = 0x20000 << (channel<<1);
 471                 reg71_set = 0x02020000;
 472                 break;
 473         case 192000:
 474                 reg40_set = 0x30000 << (channel<<1);
 475                 reg71_set = 0x03030000;
 476                 break;
 477         default:
 478                 reg40_set = 0;
 479                 reg71_set = 0;
 480                 break;
 481         }
 482         /* Format is a global setting */
 483         /* FIXME: Only let the first channel accessed set this. */
 484         switch (runtime->format) {
 485         case SNDRV_PCM_FORMAT_S16_LE:
 486                 hcfg_set = 0;
 487                 break;
 488         case SNDRV_PCM_FORMAT_S32_LE:
 489                 hcfg_set = HCFG_PLAYBACK_S32_LE;
 490                 break;
 491         default:
 492                 hcfg_set = 0;
 493                 break;
 494         }
 495         hcfg = inl(emu->port + HCFG) ;
 496         hcfg = (hcfg & ~hcfg_mask) | hcfg_set;
 497         outl(hcfg, emu->port + HCFG);
 498         reg40 = snd_ca0106_ptr_read(emu, 0x40, 0);
 499         reg40 = (reg40 & ~reg40_mask) | reg40_set;
 500         snd_ca0106_ptr_write(emu, 0x40, 0, reg40);
 501         reg71 = snd_ca0106_ptr_read(emu, 0x71, 0);
 502         reg71 = (reg71 & ~reg71_mask) | reg71_set;
 503         snd_ca0106_ptr_write(emu, 0x71, 0, reg71);
 504
 505         /* FIXME: Check emu->buffer.size before actually writing to it. */
 506         for(i=0; i < runtime->periods; i++) {
 507                 table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
 508                 table_base[(i*2)+1]=period_size_bytes<<16;
 509         }
 510
 511         snd_ca0106_ptr_write(emu, PLAYBACK_LIST_ADDR, channel, emu->buffer.addr+(8*16*channel));
 512         snd_ca0106_ptr_write(emu, PLAYBACK_LIST_SIZE, channel, (runtime->periods - 1) << 19);
 513         snd_ca0106_ptr_write(emu, PLAYBACK_LIST_PTR, channel, 0);
 514         snd_ca0106_ptr_write(emu, PLAYBACK_DMA_ADDR, channel, runtime->dma_addr);
 515         snd_ca0106_ptr_write(emu, PLAYBACK_PERIOD_SIZE, channel, frames_to_bytes(runtime, runtime->period_size)<<16); // buffer size in bytes
 516         /* FIXME  test what 0 bytes does. */
 517         snd_ca0106_ptr_write(emu, PLAYBACK_PERIOD_SIZE, channel, 0); // buffer size in bytes
 518         snd_ca0106_ptr_write(emu, PLAYBACK_POINTER, channel, 0);
 519         snd_ca0106_ptr_write(emu, 0x07, channel, 0x0);
 520         snd_ca0106_ptr_write(emu, 0x08, channel, 0);
 521         snd_ca0106_ptr_write(emu, PLAYBACK_MUTE, 0x0, 0x0); /* Unmute output */
 522 #if 0
 523         snd_ca0106_ptr_write(emu, SPCS0, 0,
 524                                SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
 525                                SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 526                                SPCS_GENERATIONSTATUS | 0x00001200 |
 527                                0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT );
 528         }
 529 #endif
 530
 531         return 0;
 532 }
 533
 534 /* prepare capture callback */
 535 static int snd_ca0106_pcm_prepare_capture(snd_pcm_substream_t *substream)
 536 {
 537         ca0106_t *emu = snd_pcm_substream_chip(substream);
 538         snd_pcm_runtime_t *runtime = substream->runtime;
 539         ca0106_pcm_t *epcm = runtime->private_data;
 540         int channel = epcm->channel_id;
 541         //printk("prepare:channel_number=%d, rate=%d, format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, frames_to_bytes=%d\n",channel, runtime->rate, runtime->format, runtime->channels, runtime->buffer_size, runtime->period_size,  frames_to_bytes(runtime, 1));
 542         snd_ca0106_ptr_write(emu, 0x13, channel, 0);
 543         snd_ca0106_ptr_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);
 544         snd_ca0106_ptr_write(emu, CAPTURE_BUFFER_SIZE, channel, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes
 545         snd_ca0106_ptr_write(emu, CAPTURE_POINTER, channel, 0);
 546
 547         return 0;
 548 }
 549
 550 /* trigger_playback callback */
 551 static int snd_ca0106_pcm_trigger_playback(snd_pcm_substream_t *substream,
 552                                     int cmd)
 553 {
 554         ca0106_t *emu = snd_pcm_substream_chip(substream);
 555         snd_pcm_runtime_t *runtime;
 556         ca0106_pcm_t *epcm;
 557         int channel;
 558         int result = 0;
 559         struct list_head *pos;
 560         snd_pcm_substream_t *s;
 561         u32 basic = 0;
 562         u32 extended = 0;
 563         int running=0;
 564
 565         switch (cmd) {
 566         case SNDRV_PCM_TRIGGER_START:
 567                 running=1;
 568                 break;
 569         case SNDRV_PCM_TRIGGER_STOP:
 570         default:
 571                 running=0;
 572                 break;
 573         }
 574         snd_pcm_group_for_each(pos, substream) {
 575                 s = snd_pcm_group_substream_entry(pos);
 576                 runtime = s->runtime;
 577                 epcm = runtime->private_data;
 578                 channel = epcm->channel_id;
 579                 //snd_printk("channel=%d\n",channel);
 580                 epcm->running = running;
 581                 basic |= (0x1<<channel);
 582                 extended |= (0x10<<channel);
 583                 snd_pcm_trigger_done(s, substream);
 584         }
 585         //snd_printk("basic=0x%x, extended=0x%x\n",basic, extended);
 586
 587         switch (cmd) {
 588         case SNDRV_PCM_TRIGGER_START:
 589                 snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) | (extended));
 590                 snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0)|(basic));
 591                 break;
 592         case SNDRV_PCM_TRIGGER_STOP:
 593                 snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
 594                 snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) & ~(extended));
 595                 break;
 596         default:
 597                 result = -EINVAL;
 598                 break;
 599         }
 600         return result;
 601 }
 602
 603 /* trigger_capture callback */
 604 static int snd_ca0106_pcm_trigger_capture(snd_pcm_substream_t *substream,
 605                                     int cmd)
 606 {
 607         ca0106_t *emu = snd_pcm_substream_chip(substream);
 608         snd_pcm_runtime_t *runtime = substream->runtime;
 609         ca0106_pcm_t *epcm = runtime->private_data;
 610         int channel = epcm->channel_id;
 611         int result = 0;
 612
 613         switch (cmd) {
 614         case SNDRV_PCM_TRIGGER_START:
 615                 snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) | (0x110000<<channel));
 616                 snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
 617                 epcm->running = 1;
 618                 break;
 619         case SNDRV_PCM_TRIGGER_STOP:
 620                 snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
 621                 snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
 622                 epcm->running = 0;
 623                 break;
 624         default:
 625                 result = -EINVAL;
 626                 break;
 627         }
 628         return result;
 629 }
 630
 631 /* pointer_playback callback */
 632 static snd_pcm_uframes_t
 633 snd_ca0106_pcm_pointer_playback(snd_pcm_substream_t *substream)
 634 {
 635         ca0106_t *emu = snd_pcm_substream_chip(substream);
 636         snd_pcm_runtime_t *runtime = substream->runtime;
 637         ca0106_pcm_t *epcm = runtime->private_data;
 638         snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0;
 639         int channel = epcm->channel_id;
 640
 641         if (!epcm->running)
 642                 return 0;
 643
 644         ptr3 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
 645         ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel);
 646         ptr4 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
 647         if (ptr3 != ptr4) ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel);
 648         ptr2 = bytes_to_frames(runtime, ptr1);
 649         ptr2+= (ptr4 >> 3) * runtime->period_size;
 650         ptr=ptr2;
 651         if (ptr >= runtime->buffer_size)
 652                 ptr -= runtime->buffer_size;
 653         //printk("ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n", ptr1, ptr2, ptr, (int)runtime->buffer_size, (int)runtime->period_size, (int)runtime->frame_bits, (int)runtime->rate);
 654
 655         return ptr;
 656 }
 657
 658 /* pointer_capture callback */
 659 static snd_pcm_uframes_t
 660 snd_ca0106_pcm_pointer_capture(snd_pcm_substream_t *substream)
 661 {
 662         ca0106_t *emu = snd_pcm_substream_chip(substream);
 663         snd_pcm_runtime_t *runtime = substream->runtime;
 664         ca0106_pcm_t *epcm = runtime->private_data;
 665         snd_pcm_uframes_t ptr, ptr1, ptr2 = 0;
 666         int channel = channel=epcm->channel_id;
 667
 668         if (!epcm->running)
 669                 return 0;
 670
 671         ptr1 = snd_ca0106_ptr_read(emu, CAPTURE_POINTER, channel);
 672         ptr2 = bytes_to_frames(runtime, ptr1);
 673         ptr=ptr2;
 674         if (ptr >= runtime->buffer_size)
 675                 ptr -= runtime->buffer_size;
 676         //printk("ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n", ptr1, ptr2, ptr, (int)runtime->buffer_size, (int)runtime->period_size, (int)runtime->frame_bits, (int)runtime->rate);
 677
 678         return ptr;
 679 }
 680
 681 /* operators */
 682 static snd_pcm_ops_t snd_ca0106_playback_front_ops = {
 683         .open =        snd_ca0106_pcm_open_playback_front,
 684         .close =       snd_ca0106_pcm_close_playback,
 685         .ioctl =       snd_pcm_lib_ioctl,
 686         .hw_params =   snd_ca0106_pcm_hw_params_playback,
 687         .hw_free =     snd_ca0106_pcm_hw_free_playback,
 688         .prepare =     snd_ca0106_pcm_prepare_playback,
 689         .trigger =     snd_ca0106_pcm_trigger_playback,
 690         .pointer =     snd_ca0106_pcm_pointer_playback,
 691 };
 692
 693 static snd_pcm_ops_t snd_ca0106_capture_0_ops = {
 694         .open =        snd_ca0106_pcm_open_0_capture,
 695         .close =       snd_ca0106_pcm_close_capture,
 696         .ioctl =       snd_pcm_lib_ioctl,
 697         .hw_params =   snd_ca0106_pcm_hw_params_capture,
 698         .hw_free =     snd_ca0106_pcm_hw_free_capture,
 699         .prepare =     snd_ca0106_pcm_prepare_capture,
 700         .trigger =     snd_ca0106_pcm_trigger_capture,
 701         .pointer =     snd_ca0106_pcm_pointer_capture,
 702 };
 703
 704 static snd_pcm_ops_t snd_ca0106_capture_1_ops = {
 705         .open =        snd_ca0106_pcm_open_1_capture,
 706         .close =       snd_ca0106_pcm_close_capture,
 707         .ioctl =       snd_pcm_lib_ioctl,
 708         .hw_params =   snd_ca0106_pcm_hw_params_capture,
 709         .hw_free =     snd_ca0106_pcm_hw_free_capture,
 710         .prepare =     snd_ca0106_pcm_prepare_capture,
 711         .trigger =     snd_ca0106_pcm_trigger_capture,
 712         .pointer =     snd_ca0106_pcm_pointer_capture,
 713 };
 714
 715 static snd_pcm_ops_t snd_ca0106_capture_2_ops = {
 716         .open =        snd_ca0106_pcm_open_2_capture,
 717         .close =       snd_ca0106_pcm_close_capture,
 718         .ioctl =       snd_pcm_lib_ioctl,
 719         .hw_params =   snd_ca0106_pcm_hw_params_capture,
 720         .hw_free =     snd_ca0106_pcm_hw_free_capture,
 721         .prepare =     snd_ca0106_pcm_prepare_capture,
 722         .trigger =     snd_ca0106_pcm_trigger_capture,
 723         .pointer =     snd_ca0106_pcm_pointer_capture,
 724 };
 725
 726 static snd_pcm_ops_t snd_ca0106_capture_3_ops = {
 727         .open =        snd_ca0106_pcm_open_3_capture,
 728         .close =       snd_ca0106_pcm_close_capture,
 729         .ioctl =       snd_pcm_lib_ioctl,
 730         .hw_params =   snd_ca0106_pcm_hw_params_capture,
 731         .hw_free =     snd_ca0106_pcm_hw_free_capture,
 732         .prepare =     snd_ca0106_pcm_prepare_capture,
 733         .trigger =     snd_ca0106_pcm_trigger_capture,
 734         .pointer =     snd_ca0106_pcm_pointer_capture,
 735 };
 736
 737 static snd_pcm_ops_t snd_ca0106_playback_center_lfe_ops = {
 738         .open =         snd_ca0106_pcm_open_playback_center_lfe,
 739         .close =        snd_ca0106_pcm_close_playback,
 740         .ioctl =        snd_pcm_lib_ioctl,
 741         .hw_params =    snd_ca0106_pcm_hw_params_playback,
 742         .hw_free =      snd_ca0106_pcm_hw_free_playback,
 743         .prepare =      snd_ca0106_pcm_prepare_playback,
 744         .trigger =      snd_ca0106_pcm_trigger_playback,
 745         .pointer =      snd_ca0106_pcm_pointer_playback,
 746 };
 747
 748 static snd_pcm_ops_t snd_ca0106_playback_unknown_ops = {
 749         .open =         snd_ca0106_pcm_open_playback_unknown,
 750         .close =        snd_ca0106_pcm_close_playback,
 751         .ioctl =        snd_pcm_lib_ioctl,
 752         .hw_params =    snd_ca0106_pcm_hw_params_playback,
 753         .hw_free =      snd_ca0106_pcm_hw_free_playback,
 754         .prepare =      snd_ca0106_pcm_prepare_playback,
 755         .trigger =      snd_ca0106_pcm_trigger_playback,
 756         .pointer =      snd_ca0106_pcm_pointer_playback,
 757 };
 758
 759 static snd_pcm_ops_t snd_ca0106_playback_rear_ops = {
 760         .open =         snd_ca0106_pcm_open_playback_rear,
 761         .close =        snd_ca0106_pcm_close_playback,
 762         .ioctl =        snd_pcm_lib_ioctl,
 763         .hw_params =    snd_ca0106_pcm_hw_params_playback,
 764                 .hw_free =      snd_ca0106_pcm_hw_free_playback,
 765         .prepare =      snd_ca0106_pcm_prepare_playback,
 766         .trigger =      snd_ca0106_pcm_trigger_playback,
 767         .pointer =      snd_ca0106_pcm_pointer_playback,
 768 };
 769
 770
 771 static unsigned short snd_ca0106_ac97_read(ac97_t *ac97,
 772                                              unsigned short reg)
 773 {
 774         ca0106_t *emu = ac97->private_data;
 775         unsigned long flags;
 776         unsigned short val;
 777
 778         spin_lock_irqsave(&emu->emu_lock, flags);
 779         outb(reg, emu->port + AC97ADDRESS);
 780         val = inw(emu->port + AC97DATA);
 781         spin_unlock_irqrestore(&emu->emu_lock, flags);
 782         return val;
 783 }
 784
 785 static void snd_ca0106_ac97_write(ac97_t *ac97,
 786                                     unsigned short reg, unsigned short val)
 787 {
 788         ca0106_t *emu = ac97->private_data;
 789         unsigned long flags;
 790
 791         spin_lock_irqsave(&emu->emu_lock, flags);
 792         outb(reg, emu->port + AC97ADDRESS);
 793         outw(val, emu->port + AC97DATA);
 794         spin_unlock_irqrestore(&emu->emu_lock, flags);
 795 }
 796
 797 static int snd_ca0106_ac97(ca0106_t *chip)
 798 {
 799         ac97_bus_t *pbus;
 800         ac97_template_t ac97;
 801         int err;
 802         static ac97_bus_ops_t ops = {
 803                 .write = snd_ca0106_ac97_write,
 804                 .read = snd_ca0106_ac97_read,
 805         };
 806
 807         if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
 808                 return err;
 809         pbus->no_vra = 1; /* we don't need VRA */
 810
 811         memset(&ac97, 0, sizeof(ac97));
 812         ac97.private_data = chip;
 813         return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
 814 }
 815
 816 static int snd_ca0106_free(ca0106_t *chip)
 817 {
 818         if (chip->res_port != NULL) {    /* avoid access to already used hardware */
 819                 // disable interrupts
 820                 snd_ca0106_ptr_write(chip, BASIC_INTERRUPT, 0, 0);
 821                 outl(0, chip->port + INTE);
 822                 snd_ca0106_ptr_write(chip, EXTENDED_INT_MASK, 0, 0);
 823                 udelay(1000);
 824                 // disable audio
 825                 //outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
 826                 outl(0, chip->port + HCFG);
 827                 /* FIXME: We need to stop and DMA transfers here.
 828                  *        But as I am not sure how yet, we cannot from the dma pages.
 829                  * So we can fix: snd-malloc: Memory leak?  pages not freed = 8
 830                  */
 831         }
 832         // release the data
 833 #if 1
 834         if (chip->buffer.area)
 835                 snd_dma_free_pages(&chip->buffer);
 836 #endif
 837
 838         // release the i/o port
 839         if (chip->res_port) {
 840                 release_resource(chip->res_port);
 841                 kfree_nocheck(chip->res_port);
 842         }
 843         // release the irq
 844         if (chip->irq >= 0)
 845                 free_irq(chip->irq, (void *)chip);
 846         pci_disable_device(chip->pci);
 847         kfree(chip);
 848         return 0;
 849 }
 850
 851 static int snd_ca0106_dev_free(snd_device_t *device)
 852 {
 853         ca0106_t *chip = device->device_data;
 854         return snd_ca0106_free(chip);
 855 }
 856
 857 static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
 858                                           struct pt_regs *regs)
 859 {
 860         unsigned int status;
 861
 862         ca0106_t *chip = dev_id;
 863         int i;
 864         int mask;
 865         unsigned int stat76;
 866         ca0106_channel_t *pchannel;
 867
 868         spin_lock(&chip->emu_lock);
 869
 870         status = inl(chip->port + IPR);
 871
 872         // call updater, unlock before it
 873         spin_unlock(&chip->emu_lock);
 874
 875         if (! status)
 876                 return IRQ_NONE;
 877
 878         stat76 = snd_ca0106_ptr_read(chip, EXTENDED_INT, 0);
 879         //snd_printk("interrupt status = 0x%08x, stat76=0x%08x\n", status, stat76);
 880         //snd_printk("ptr=0x%08x\n",snd_ca0106_ptr_read(chip, PLAYBACK_POINTER, 0));
 881         mask = 0x11; /* 0x1 for one half, 0x10 for the other half period. */
 882         for(i = 0; i < 4; i++) {
 883                 pchannel = &(chip->playback_channels[i]);
 884                 if(stat76 & mask) {
 885 /* FIXME: Select the correct substream for period elapsed */
 886                         if(pchannel->use) {
 887                           snd_pcm_period_elapsed(pchannel->epcm->substream);
 888                         //printk(KERN_INFO "interrupt [%d] used\n", i);
 889                         }
 890                 }
 891                 //printk(KERN_INFO "channel=%p\n",pchannel);
 892                 //printk(KERN_INFO "interrupt stat76[%d] = %08x, use=%d, channel=%d\n", i, stat76, pchannel->use, pchannel->number);
 893                 mask <<= 1;
 894         }
 895         mask = 0x110000; /* 0x1 for one half, 0x10 for the other half period. */
 896         for(i = 0; i < 4; i++) {
 897                 pchannel = &(chip->capture_channels[i]);
 898                 if(stat76 & mask) {
 899 /* FIXME: Select the correct substream for period elapsed */
 900                         if(pchannel->use) {
 901                           snd_pcm_period_elapsed(pchannel->epcm->substream);
 902                         //printk(KERN_INFO "interrupt [%d] used\n", i);
 903                         }
 904                 }
 905                 //printk(KERN_INFO "channel=%p\n",pchannel);
 906                 //printk(KERN_INFO "interrupt stat76[%d] = %08x, use=%d, channel=%d\n", i, stat76, pchannel->use, pchannel->number);
 907                 mask <<= 1;
 908         }
 909
 910         snd_ca0106_ptr_write(chip, EXTENDED_INT, 0, stat76);
 911         spin_lock(&chip->emu_lock);
 912         // acknowledge the interrupt if necessary
 913         outl(status, chip->port+IPR);
 914
 915         spin_unlock(&chip->emu_lock);
 916
 917         return IRQ_HANDLED;
 918 }
 919
 920 static void snd_ca0106_pcm_free(snd_pcm_t *pcm)
 921 {
 922         ca0106_t *emu = pcm->private_data;
 923         emu->pcm = NULL;
 924         snd_pcm_lib_preallocate_free_for_all(pcm);
 925 }
 926
 927 static int __devinit snd_ca0106_pcm(ca0106_t *emu, int device, snd_pcm_t **rpcm)
 928 {
 929         snd_pcm_t *pcm;
 930         snd_pcm_substream_t *substream;
 931         int err;
 932
 933         if (rpcm)
 934                 *rpcm = NULL;
 935         if ((err = snd_pcm_new(emu->card, "ca0106", device, 1, 1, &pcm)) < 0)
 936                 return err;
 937
 938         pcm->private_data = emu;
 939         pcm->private_free = snd_ca0106_pcm_free;
 940
 941         switch (device) {
 942         case 0:
 943           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ca0106_playback_front_ops);
 944           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ca0106_capture_0_ops);
 945           break;
 946         case 1:
 947           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ca0106_playback_rear_ops);
 948           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ca0106_capture_1_ops);
 949           break;
 950         case 2:
 951           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ca0106_playback_center_lfe_ops);
 952           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ca0106_capture_2_ops);
 953           break;
 954         case 3:
 955           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ca0106_playback_unknown_ops);
 956           snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ca0106_capture_3_ops);
 957           break;
 958         }
 959
 960         pcm->info_flags = 0;
 961         pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 962         strcpy(pcm->name, "CA0106");
 963         emu->pcm = pcm;
 964
 965         for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 966             substream;
 967             substream = substream->next) {
 968                 if ((err = snd_pcm_lib_preallocate_pages(substream,
 969                                                          SNDRV_DMA_TYPE_DEV,
 970                                                          snd_dma_pci_data(emu->pci),
 971                                                          64*1024, 64*1024)) < 0) /* FIXME: 32*1024 for sound buffer, between 32and64 for Periods table. */
 972                         return err;
 973         }
 974
 975         for (substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 976               substream;
 977               substream = substream->next) {
 978                 if ((err = snd_pcm_lib_preallocate_pages(substream,
 979                                                    SNDRV_DMA_TYPE_DEV,
 980                                                    snd_dma_pci_data(emu->pci),
 981                                                    64*1024, 64*1024)) < 0)
 982                         return err;
 983         }
 984
 985         if (rpcm)
 986                 *rpcm = pcm;
 987
 988         return 0;
 989 }
 990
 991 static int __devinit snd_ca0106_create(snd_card_t *card,
 992                                          struct pci_dev *pci,
 993                                          ca0106_t **rchip)
 994 {
 995         ca0106_t *chip;
 996         int err;
 997         int ch;
 998         static snd_device_ops_t ops = {
 999                 .dev_free = snd_ca0106_dev_free,
1000         };
1001
1002         *rchip = NULL;
1003
1004         if ((err = pci_enable_device(pci)) < 0)
1005                 return err;
1006         if (pci_set_dma_mask(pci, 0xffffffffUL) < 0 ||
1007             pci_set_consistent_dma_mask(pci, 0xffffffffUL) < 0) {
1008                 printk(KERN_ERR "error to set 32bit mask DMA\n");
1009                 pci_disable_device(pci);
1010                 return -ENXIO;
1011         }
1012
1013         chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
1014         if (chip == NULL) {
1015                 pci_disable_device(pci);
1016                 return -ENOMEM;
1017         }
1018
1019         chip->card = card;
1020         chip->pci = pci;
1021         chip->irq = -1;
1022
1023         spin_lock_init(&chip->emu_lock);
1024
1025         chip->port = pci_resource_start(pci, 0);
1026         if ((chip->res_port = request_region(chip->port, 0x20,
1027                                              "snd_ca0106")) == NULL) {
1028                 snd_ca0106_free(chip);
1029                 printk(KERN_ERR "cannot allocate the port\n");
1030                 return -EBUSY;
1031         }
1032
1033         if (request_irq(pci->irq, snd_ca0106_interrupt,
1034                         SA_INTERRUPT|SA_SHIRQ, "snd_ca0106",
1035                         (void *)chip)) {
1036                 snd_ca0106_free(chip);
1037                 printk(KERN_ERR "cannot grab irq\n");
1038                 return -EBUSY;
1039         }
1040         chip->irq = pci->irq;
1041
1042         /* This stores the periods table. */
1043         if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1024, &chip->buffer) < 0) {
1044                 snd_ca0106_free(chip);
1045                 return -ENOMEM;
1046         }
1047
1048         pci_set_master(pci);
1049         /* read revision & serial */
1050         pci_read_config_byte(pci, PCI_REVISION_ID, (char *)&chip->revision);
1051         pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
1052         pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
1053 #if 1
1054         printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
1055                chip->revision, chip->serial);
1056 #endif
1057
1058         outl(0, chip->port + INTE);
1059
1060         /*
1061          *  Init to 0x02109204 :
1062          *  Clock accuracy    = 0     (1000ppm)
1063          *  Sample Rate       = 2     (48kHz)
1064          *  Audio Channel     = 1     (Left of 2)
1065          *  Source Number     = 0     (Unspecified)
1066          *  Generation Status = 1     (Original for Cat Code 12)
1067          *  Cat Code          = 12    (Digital Signal Mixer)
1068          *  Mode              = 0     (Mode 0)
1069          *  Emphasis          = 0     (None)
1070          *  CP                = 1     (Copyright unasserted)
1071          *  AN                = 0     (Audio data)
1072          *  P                 = 0     (Consumer)
1073          */
1074         snd_ca0106_ptr_write(chip, SPCS0, 0,
1075                                 chip->spdif_bits[0] =
1076                                 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1077                                 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1078                                 SPCS_GENERATIONSTATUS | 0x00001200 |
1079                                 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1080         /* Only SPCS1 has been tested */
1081         snd_ca0106_ptr_write(chip, SPCS1, 0,
1082                                 chip->spdif_bits[1] =
1083                                 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1084                                 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1085                                 SPCS_GENERATIONSTATUS | 0x00001200 |
1086                                 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1087         snd_ca0106_ptr_write(chip, SPCS2, 0,
1088                                 chip->spdif_bits[2] =
1089                                 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1090                                 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1091                                 SPCS_GENERATIONSTATUS | 0x00001200 |
1092                                 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1093         snd_ca0106_ptr_write(chip, SPCS3, 0,
1094                                 chip->spdif_bits[3] =
1095                                 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1096                                 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1097                                 SPCS_GENERATIONSTATUS | 0x00001200 |
1098                                 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1099
1100         snd_ca0106_ptr_write(chip, PLAYBACK_MUTE, 0, 0x00fc0000);
1101         snd_ca0106_ptr_write(chip, CAPTURE_MUTE, 0, 0x00fc0000);
1102
1103         /* Write 0x8000 to AC97_REC_GAIN to mute it. */
1104         outb(AC97_REC_GAIN, chip->port + AC97ADDRESS);
1105         outw(0x8000, chip->port + AC97DATA);
1106 #if 0
1107         snd_ca0106_ptr_write(chip, SPCS0, 0, 0x2108006);
1108         snd_ca0106_ptr_write(chip, 0x42, 0, 0x2108006);
1109         snd_ca0106_ptr_write(chip, 0x43, 0, 0x2108006);
1110         snd_ca0106_ptr_write(chip, 0x44, 0, 0x2108006);
1111 #endif
1112
1113         //snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0xf0f003f); /* OSS drivers set this. */
1114         /* Analog or Digital output */
1115         snd_ca0106_ptr_write(chip, SPDIF_SELECT1, 0, 0xf);
1116         snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000b0000); /* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers */
1117         chip->spdif_enable = 0; /* Set digital SPDIF output off */
1118         chip->capture_source = 3; /* Set CAPTURE_SOURCE */
1119         //snd_ca0106_ptr_write(chip, 0x45, 0, 0); /* Analogue out */
1120         //snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00); /* Digital out */
1121
1122         snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 0, 0x40c81000); /* goes to 0x40c80000 when doing SPDIF IN/OUT */
1123         snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 1, 0xffffffff); /* (Mute) CAPTURE feedback into PLAYBACK volume. Only lower 16 bits matter. */
1124         snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 2, 0x30300000); /* SPDIF IN Volume */
1125         snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 3, 0x00700000); /* SPDIF IN Volume, 0x70 = (vol & 0x3f) | 0x40 */
1126         snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING1, 0, 0x32765410);
1127         snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING2, 0, 0x76767676);
1128         snd_ca0106_ptr_write(chip, CAPTURE_ROUTING1, 0, 0x32765410);
1129         snd_ca0106_ptr_write(chip, CAPTURE_ROUTING2, 0, 0x76767676);
1130         for(ch = 0; ch < 4; ch++) {
1131                 snd_ca0106_ptr_write(chip, CAPTURE_VOLUME1, ch, 0x30303030); /* Only high 16 bits matter */
1132                 snd_ca0106_ptr_write(chip, CAPTURE_VOLUME2, ch, 0x30303030);
1133                 //snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0x40404040); /* Mute */
1134                 //snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0x40404040); /* Mute */
1135                 snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff); /* Mute */
1136                 snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff); /* Mute */
1137         }
1138         snd_ca0106_ptr_write(chip, CAPTURE_SOURCE, 0x0, 0x333300e4); /* Select MIC, Line in, TAD in, AUX in */
1139         chip->capture_source = 3; /* Set CAPTURE_SOURCE */
1140
1141         if ((chip->serial == 0x10061102) ||
1142             (chip->serial == 0x10071102) ||
1143             (chip->serial == 0x10091462)) { /* The SB0410 and SB0413 use GPIO differently. */
1144                 /* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
1145                 outl(0x0, chip->port+GPIO);
1146                 //outl(0x00f0e000, chip->port+GPIO); /* Analog */
1147                 outl(0x005f4300, chip->port+GPIO); /* Analog */
1148         } else {
1149                 outl(0x0, chip->port+GPIO);
1150                 outl(0x005f03a3, chip->port+GPIO); /* Analog */
1151                 //outl(0x005f02a2, chip->port+GPIO);   /* SPDIF */
1152         }
1153         snd_ca0106_intr_enable(chip, 0x105); /* Win2000 uses 0x1e0 */
1154
1155         //outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
1156         //outl(0x00001409, chip->port+HCFG); /* 0x1000 causes AC3 to fails. Maybe it effects 24 bit output. */
1157         //outl(0x00000009, chip->port+HCFG);
1158         outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG); /* AC97 2.0, Enable outputs. */
1159
1160         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
1161                                   chip, &ops)) < 0) {
1162                 snd_ca0106_free(chip);
1163                 return err;
1164         }
1165         *rchip = chip;
1166         return 0;
1167 }
1168
1169 static int __devinit snd_ca0106_probe(struct pci_dev *pci,
1170                                         const struct pci_device_id *pci_id)
1171 {
1172         static int dev;
1173         snd_card_t *card;
1174         ca0106_t *chip;
1175         ca0106_names_t *c;
1176         int err;
1177
1178         if (dev >= SNDRV_CARDS)
1179                 return -ENODEV;
1180         if (!enable[dev]) {
1181                 dev++;
1182                 return -ENOENT;
1183         }
1184
1185         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1186         if (card == NULL)
1187                 return -ENOMEM;
1188
1189         if ((err = snd_ca0106_create(card, pci, &chip)) < 0) {
1190                 snd_card_free(card);
1191                 return err;
1192         }
1193
1194         if ((err = snd_ca0106_pcm(chip, 0, NULL)) < 0) {
1195                 snd_card_free(card);
1196                 return err;
1197         }
1198         if ((err = snd_ca0106_pcm(chip, 1, NULL)) < 0) {
1199                 snd_card_free(card);
1200                 return err;
1201         }
1202         if ((err = snd_ca0106_pcm(chip, 2, NULL)) < 0) {
1203                 snd_card_free(card);
1204                 return err;
1205         }
1206         if ((err = snd_ca0106_pcm(chip, 3, NULL)) < 0) {
1207                 snd_card_free(card);
1208                 return err;
1209         }
1210         if ((chip->serial != 0x10061102) &&
1211             (chip->serial != 0x10071102) &&
1212             (chip->serial != 0x10091462) ) { /* The SB0410 and SB0413 do not have an ac97 chip. */
1213                 if ((err = snd_ca0106_ac97(chip)) < 0) {
1214                         snd_card_free(card);
1215                         return err;
1216                 }
1217         }
1218         if ((err = snd_ca0106_mixer(chip)) < 0) {
1219                 snd_card_free(card);
1220                 return err;
1221         }
1222
1223         snd_ca0106_proc_init(chip);
1224
1225         strcpy(card->driver, "CA0106");
1226         strcpy(card->shortname, "CA0106");
1227
1228         for (c=ca0106_chip_names; c->serial; c++) {
1229                 if (c->serial == chip->serial) break;
1230         }
1231         sprintf(card->longname, "%s at 0x%lx irq %i",
1232                 c->name, chip->port, chip->irq);
1233
1234         if ((err = snd_card_register(card)) < 0) {
1235                 snd_card_free(card);
1236                 return err;
1237         }
1238
1239         pci_set_drvdata(pci, card);
1240         dev++;
1241         return 0;
1242 }
1243
1244 static void __devexit snd_ca0106_remove(struct pci_dev *pci)
1245 {
1246         snd_card_free(pci_get_drvdata(pci));
1247         pci_set_drvdata(pci, NULL);
1248 }
1249
1250 // PCI IDs
1251 static struct pci_device_id snd_ca0106_ids[] = {
1252         { 0x1102, 0x0007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },    /* Audigy LS or Live 24bit */
1253         { 0, }
1254 };
1255 MODULE_DEVICE_TABLE(pci, snd_ca0106_ids);
1256
1257 // pci_driver definition
1258 static struct pci_driver driver = {
1259         .name = "CA0106",
1260         .id_table = snd_ca0106_ids,
1261         .probe = snd_ca0106_probe,
1262         .remove = __devexit_p(snd_ca0106_remove),
1263 };
1264
1265 // initialization of the module
1266 static int __init alsa_card_ca0106_init(void)
1267 {
1268         int err;
1269
1270         if ((err = pci_module_init(&driver)) > 0)
1271                 return err;
1272
1273         return 0;
1274 }
1275
1276 // clean up the module
1277 static void __exit alsa_card_ca0106_exit(void)
1278 {
1279         pci_unregister_driver(&driver);
1280 }
1281
1282 module_init(alsa_card_ca0106_init)
1283 module_exit(alsa_card_ca0106_exit)