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

   1 /*
   2  * Driver for C-Media CMI8338 and 8738 PCI soundcards.
   3  * Copyright (c) 2000 by Takashi Iwai <tiwai@suse.de>
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation; either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program; if not, write to the Free Software
  17  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18  */
  19
  20 /* Does not work. Warning may block system in capture mode */
  21 /* #define USE_VAR48KRATE */
  22
  23 #include <sound/driver.h>
  24 #include <asm/io.h>
  25 #include <linux/delay.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/init.h>
  28 #include <linux/pci.h>
  29 #include <linux/slab.h>
  30 #include <linux/gameport.h>
  31 #include <linux/moduleparam.h>
  32 #include <sound/core.h>
  33 #include <sound/info.h>
  34 #include <sound/control.h>
  35 #include <sound/pcm.h>
  36 #include <sound/rawmidi.h>
  37 #include <sound/mpu401.h>
  38 #include <sound/opl3.h>
  39 #include <sound/sb.h>
  40 #include <sound/asoundef.h>
  41 #include <sound/initval.h>
  42
  43 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  44 MODULE_DESCRIPTION("C-Media CMI8x38 PCI");
  45 MODULE_LICENSE("GPL");
  46 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8738},"
  47                 "{C-Media,CMI8738B},"
  48                 "{C-Media,CMI8338A},"
  49                 "{C-Media,CMI8338B}}");
  50
  51 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
  52 #define SUPPORT_JOYSTICK 1
  53 #endif
  54
  55 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  56 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  57 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable switches */
  58 static long mpu_port[SNDRV_CARDS];
  59 static long fm_port[SNDRV_CARDS];
  60 static int soft_ac3[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)]=1};
  61 #ifdef SUPPORT_JOYSTICK
  62 static int joystick_port[SNDRV_CARDS];
  63 #endif
  64
  65 module_param_array(index, int, NULL, 0444);
  66 MODULE_PARM_DESC(index, "Index value for C-Media PCI soundcard.");
  67 module_param_array(id, charp, NULL, 0444);
  68 MODULE_PARM_DESC(id, "ID string for C-Media PCI soundcard.");
  69 module_param_array(enable, bool, NULL, 0444);
  70 MODULE_PARM_DESC(enable, "Enable C-Media PCI soundcard.");
  71 module_param_array(mpu_port, long, NULL, 0444);
  72 MODULE_PARM_DESC(mpu_port, "MPU-401 port.");
  73 module_param_array(fm_port, long, NULL, 0444);
  74 MODULE_PARM_DESC(fm_port, "FM port.");
  75 module_param_array(soft_ac3, bool, NULL, 0444);
  76 MODULE_PARM_DESC(soft_ac3, "Sofware-conversion of raw SPDIF packets (model 033 only).");
  77 #ifdef SUPPORT_JOYSTICK
  78 module_param_array(joystick_port, int, NULL, 0444);
  79 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
  80 #endif
  81
  82 #ifndef PCI_DEVICE_ID_CMEDIA_CM8738
  83 #define PCI_DEVICE_ID_CMEDIA_CM8738     0x0111
  84 #endif
  85 #ifndef PCI_DEVICE_ID_CMEDIA_CM8738B
  86 #define PCI_DEVICE_ID_CMEDIA_CM8738B    0x0112
  87 #endif
  88
  89 /*
  90  * CM8x38 registers definition
  91  */
  92
  93 #define CM_REG_FUNCTRL0         0x00
  94 #define CM_RST_CH1              0x00080000
  95 #define CM_RST_CH0              0x00040000
  96 #define CM_CHEN1                0x00020000      /* ch1: enable */
  97 #define CM_CHEN0                0x00010000      /* ch0: enable */
  98 #define CM_PAUSE1               0x00000008      /* ch1: pause */
  99 #define CM_PAUSE0               0x00000004      /* ch0: pause */
 100 #define CM_CHADC1               0x00000002      /* ch1, 0:playback, 1:record */
 101 #define CM_CHADC0               0x00000001      /* ch0, 0:playback, 1:record */
 102
 103 #define CM_REG_FUNCTRL1         0x04
 104 #define CM_ASFC_MASK            0x0000E000      /* ADC sampling frequency */
 105 #define CM_ASFC_SHIFT           13
 106 #define CM_DSFC_MASK            0x00001C00      /* DAC sampling frequency */
 107 #define CM_DSFC_SHIFT           10
 108 #define CM_SPDF_1               0x00000200      /* SPDIF IN/OUT at channel B */
 109 #define CM_SPDF_0               0x00000100      /* SPDIF OUT only channel A */
 110 #define CM_SPDFLOOP             0x00000080      /* ext. SPDIIF/OUT -> IN loopback */
 111 #define CM_SPDO2DAC             0x00000040      /* SPDIF/OUT can be heard from internal DAC */
 112 #define CM_INTRM                0x00000020      /* master control block (MCB) interrupt enabled */
 113 #define CM_BREQ                 0x00000010      /* bus master enabled */
 114 #define CM_VOICE_EN             0x00000008      /* legacy voice (SB16,FM) */
 115 #define CM_UART_EN              0x00000004      /* UART */
 116 #define CM_JYSTK_EN             0x00000002      /* joy stick */
 117
 118 #define CM_REG_CHFORMAT         0x08
 119
 120 #define CM_CHB3D5C              0x80000000      /* 5,6 channels */
 121 #define CM_CHB3D                0x20000000      /* 4 channels */
 122
 123 #define CM_CHIP_MASK1           0x1f000000
 124 #define CM_CHIP_037             0x01000000
 125
 126 #define CM_SPDIF_SELECT1        0x00080000      /* for model <= 037 ? */
 127 #define CM_AC3EN1               0x00100000      /* enable AC3: model 037 */
 128 #define CM_SPD24SEL             0x00020000      /* 24bit spdif: model 037 */
 129 /* #define CM_SPDIF_INVERSE     0x00010000 */ /* ??? */
 130
 131 #define CM_ADCBITLEN_MASK       0x0000C000
 132 #define CM_ADCBITLEN_16         0x00000000
 133 #define CM_ADCBITLEN_15         0x00004000
 134 #define CM_ADCBITLEN_14         0x00008000
 135 #define CM_ADCBITLEN_13         0x0000C000
 136
 137 #define CM_ADCDACLEN_MASK       0x00003000
 138 #define CM_ADCDACLEN_060        0x00000000
 139 #define CM_ADCDACLEN_066        0x00001000
 140 #define CM_ADCDACLEN_130        0x00002000
 141 #define CM_ADCDACLEN_280        0x00003000
 142
 143 #define CM_CH1_SRATE_176K       0x00000800
 144 #define CM_CH1_SRATE_88K        0x00000400
 145 #define CM_CH0_SRATE_176K       0x00000200
 146 #define CM_CH0_SRATE_88K        0x00000100
 147
 148 #define CM_SPDIF_INVERSE2       0x00000080      /* model 055? */
 149
 150 #define CM_CH1FMT_MASK          0x0000000C
 151 #define CM_CH1FMT_SHIFT         2
 152 #define CM_CH0FMT_MASK          0x00000003
 153 #define CM_CH0FMT_SHIFT         0
 154
 155 #define CM_REG_INT_HLDCLR       0x0C
 156 #define CM_CHIP_MASK2           0xff000000
 157 #define CM_CHIP_039             0x04000000
 158 #define CM_CHIP_039_6CH         0x01000000
 159 #define CM_CHIP_055             0x08000000
 160 #define CM_CHIP_8768            0x20000000
 161 #define CM_TDMA_INT_EN          0x00040000
 162 #define CM_CH1_INT_EN           0x00020000
 163 #define CM_CH0_INT_EN           0x00010000
 164 #define CM_INT_HOLD             0x00000002
 165 #define CM_INT_CLEAR            0x00000001
 166
 167 #define CM_REG_INT_STATUS       0x10
 168 #define CM_INTR                 0x80000000
 169 #define CM_VCO                  0x08000000      /* Voice Control? CMI8738 */
 170 #define CM_MCBINT               0x04000000      /* Master Control Block abort cond.? */
 171 #define CM_UARTINT              0x00010000
 172 #define CM_LTDMAINT             0x00008000
 173 #define CM_HTDMAINT             0x00004000
 174 #define CM_XDO46                0x00000080      /* Modell 033? Direct programming EEPROM (read data register) */
 175 #define CM_LHBTOG               0x00000040      /* High/Low status from DMA ctrl register */
 176 #define CM_LEG_HDMA             0x00000020      /* Legacy is in High DMA channel */
 177 #define CM_LEG_STEREO           0x00000010      /* Legacy is in Stereo mode */
 178 #define CM_CH1BUSY              0x00000008
 179 #define CM_CH0BUSY              0x00000004
 180 #define CM_CHINT1               0x00000002
 181 #define CM_CHINT0               0x00000001
 182
 183 #define CM_REG_LEGACY_CTRL      0x14
 184 #define CM_NXCHG                0x80000000      /* h/w multi channels? */
 185 #define CM_VMPU_MASK            0x60000000      /* MPU401 i/o port address */
 186 #define CM_VMPU_330             0x00000000
 187 #define CM_VMPU_320             0x20000000
 188 #define CM_VMPU_310             0x40000000
 189 #define CM_VMPU_300             0x60000000
 190 #define CM_VSBSEL_MASK          0x0C000000      /* SB16 base address */
 191 #define CM_VSBSEL_220           0x00000000
 192 #define CM_VSBSEL_240           0x04000000
 193 #define CM_VSBSEL_260           0x08000000
 194 #define CM_VSBSEL_280           0x0C000000
 195 #define CM_FMSEL_MASK           0x03000000      /* FM OPL3 base address */
 196 #define CM_FMSEL_388            0x00000000
 197 #define CM_FMSEL_3C8            0x01000000
 198 #define CM_FMSEL_3E0            0x02000000
 199 #define CM_FMSEL_3E8            0x03000000
 200 #define CM_ENSPDOUT             0x00800000      /* enable XPDIF/OUT to I/O interface */
 201 #define CM_SPDCOPYRHT           0x00400000      /* set copyright spdif in/out */
 202 #define CM_DAC2SPDO             0x00200000      /* enable wave+fm_midi -> SPDIF/OUT */
 203 #define CM_SETRETRY             0x00010000      /* 0: legacy i/o wait (default), 1: legacy i/o bus retry */
 204 #define CM_CHB3D6C              0x00008000      /* 5.1 channels support */
 205 #define CM_LINE_AS_BASS         0x00006000      /* use line-in as bass */
 206
 207 #define CM_REG_MISC_CTRL        0x18
 208 #define CM_PWD                  0x80000000
 209 #define CM_RESET                0x40000000
 210 #define CM_SFIL_MASK            0x30000000
 211 #define CM_TXVX                 0x08000000
 212 #define CM_N4SPK3D              0x04000000      /* 4ch output */
 213 #define CM_SPDO5V               0x02000000      /* 5V spdif output (1 = 0.5v (coax)) */
 214 #define CM_SPDIF48K             0x01000000      /* write */
 215 #define CM_SPATUS48K            0x01000000      /* read */
 216 #define CM_ENDBDAC              0x00800000      /* enable dual dac */
 217 #define CM_XCHGDAC              0x00400000      /* 0: front=ch0, 1: front=ch1 */
 218 #define CM_SPD32SEL             0x00200000      /* 0: 16bit SPDIF, 1: 32bit */
 219 #define CM_SPDFLOOPI            0x00100000      /* int. SPDIF-IN -> int. OUT */
 220 #define CM_FM_EN                0x00080000      /* enalbe FM */
 221 #define CM_AC3EN2               0x00040000      /* enable AC3: model 039 */
 222 #define CM_VIDWPDSB             0x00010000
 223 #define CM_SPDF_AC97            0x00008000      /* 0: SPDIF/OUT 44.1K, 1: 48K */
 224 #define CM_MASK_EN              0x00004000
 225 #define CM_VIDWPPRT             0x00002000
 226 #define CM_SFILENB              0x00001000
 227 #define CM_MMODE_MASK           0x00000E00
 228 #define CM_SPDIF_SELECT2        0x00000100      /* for model > 039 ? */
 229 #define CM_ENCENTER             0x00000080
 230 #define CM_FLINKON              0x00000040
 231 #define CM_FLINKOFF             0x00000020
 232 #define CM_MIDSMP               0x00000010
 233 #define CM_UPDDMA_MASK          0x0000000C
 234 #define CM_TWAIT_MASK           0x00000003
 235
 236         /* byte */
 237 #define CM_REG_MIXER0           0x20
 238
 239 #define CM_REG_SB16_DATA        0x22
 240 #define CM_REG_SB16_ADDR        0x23
 241
 242 #define CM_REFFREQ_XIN          (315*1000*1000)/22      /* 14.31818 Mhz reference clock frequency pin XIN */
 243 #define CM_ADCMULT_XIN          512                     /* Guessed (487 best for 44.1kHz, not for 88/176kHz) */
 244 #define CM_TOLERANCE_RATE       0.001                   /* Tolerance sample rate pitch (1000ppm) */
 245 #define CM_MAXIMUM_RATE         80000000                /* Note more than 80MHz */
 246
 247 #define CM_REG_MIXER1           0x24
 248 #define CM_FMMUTE               0x80    /* mute FM */
 249 #define CM_FMMUTE_SHIFT         7
 250 #define CM_WSMUTE               0x40    /* mute PCM */
 251 #define CM_WSMUTE_SHIFT         6
 252 #define CM_SPK4                 0x20    /* lin-in -> rear line out */
 253 #define CM_SPK4_SHIFT           5
 254 #define CM_REAR2FRONT           0x10    /* exchange rear/front */
 255 #define CM_REAR2FRONT_SHIFT     4
 256 #define CM_WAVEINL              0x08    /* digital wave rec. left chan */
 257 #define CM_WAVEINL_SHIFT        3
 258 #define CM_WAVEINR              0x04    /* digical wave rec. right */
 259 #define CM_WAVEINR_SHIFT        2
 260 #define CM_X3DEN                0x02    /* 3D surround enable */
 261 #define CM_X3DEN_SHIFT          1
 262 #define CM_CDPLAY               0x01    /* enable SPDIF/IN PCM -> DAC */
 263 #define CM_CDPLAY_SHIFT         0
 264
 265 #define CM_REG_MIXER2           0x25
 266 #define CM_RAUXREN              0x80    /* AUX right capture */
 267 #define CM_RAUXREN_SHIFT        7
 268 #define CM_RAUXLEN              0x40    /* AUX left capture */
 269 #define CM_RAUXLEN_SHIFT        6
 270 #define CM_VAUXRM               0x20    /* AUX right mute */
 271 #define CM_VAUXRM_SHIFT         5
 272 #define CM_VAUXLM               0x10    /* AUX left mute */
 273 #define CM_VAUXLM_SHIFT         4
 274 #define CM_VADMIC_MASK          0x0e    /* mic gain level (0-3) << 1 */
 275 #define CM_VADMIC_SHIFT         1
 276 #define CM_MICGAINZ             0x01    /* mic boost */
 277 #define CM_MICGAINZ_SHIFT       0
 278
 279 #define CM_REG_AUX_VOL          0x26
 280 #define CM_VAUXL_MASK           0xf0
 281 #define CM_VAUXR_MASK           0x0f
 282
 283 #define CM_REG_MISC             0x27
 284 #define CM_XGPO1                0x20
 285 // #define CM_XGPBIO            0x04
 286 #define CM_MIC_CENTER_LFE       0x04    /* mic as center/lfe out? (model 039 or later?) */
 287 #define CM_SPDIF_INVERSE        0x04    /* spdif input phase inverse (model 037) */
 288 #define CM_SPDVALID             0x02    /* spdif input valid check */
 289 #define CM_DMAUTO               0x01
 290
 291 #define CM_REG_AC97             0x28    /* hmmm.. do we have ac97 link? */
 292 /*
 293  * For CMI-8338 (0x28 - 0x2b) .. is this valid for CMI-8738
 294  * or identical with AC97 codec?
 295  */
 296 #define CM_REG_EXTERN_CODEC     CM_REG_AC97
 297
 298 /*
 299  * MPU401 pci port index address 0x40 - 0x4f (CMI-8738 spec ver. 0.6)
 300  */
 301 #define CM_REG_MPU_PCI          0x40
 302
 303 /*
 304  * FM pci port index address 0x50 - 0x5f (CMI-8738 spec ver. 0.6)
 305  */
 306 #define CM_REG_FM_PCI           0x50
 307
 308 /*
 309  * for CMI-8338 .. this is not valid for CMI-8738.
 310  */
 311 #define CM_REG_EXTENT_IND       0xf0
 312 #define CM_VPHONE_MASK          0xe0    /* Phone volume control (0-3) << 5 */
 313 #define CM_VPHONE_SHIFT         5
 314 #define CM_VPHOM                0x10    /* Phone mute control */
 315 #define CM_VSPKM                0x08    /* Speaker mute control, default high */
 316 #define CM_RLOOPREN             0x04    /* Rec. R-channel enable */
 317 #define CM_RLOOPLEN             0x02    /* Rec. L-channel enable */
 318
 319 /*
 320  * CMI-8338 spec ver 0.5 (this is not valid for CMI-8738):
 321  * the 8 registers 0xf8 - 0xff are used for programming m/n counter by the PLL
 322  * unit (readonly?).
 323  */
 324 #define CM_REG_PLL              0xf8
 325
 326 /*
 327  * extended registers
 328  */
 329 #define CM_REG_CH0_FRAME1       0x80    /* base address */
 330 #define CM_REG_CH0_FRAME2       0x84
 331 #define CM_REG_CH1_FRAME1       0x88    /* 0-15: count of samples at bus master; buffer size */
 332 #define CM_REG_CH1_FRAME2       0x8C    /* 16-31: count of samples at codec; fragment size */
 333 #define CM_REG_MISC_CTRL_8768   0x92    /* reg. name the same as 0x18 */
 334 #define CM_CHB3D8C              0x20    /* 7.1 channels support */
 335 #define CM_SPD32FMT             0x10    /* SPDIF/IN 32k */
 336 #define CM_ADC2SPDIF            0x08    /* ADC output to SPDIF/OUT */
 337 #define CM_SHAREADC             0x04    /* DAC in ADC as Center/LFE */
 338 #define CM_REALTCMP             0x02    /* monitor the CMPL/CMPR of ADC */
 339 #define CM_INVLRCK              0x01    /* invert ZVPORT's LRCK */
 340
 341 /*
 342  * size of i/o region
 343  */
 344 #define CM_EXTENT_CODEC   0x100
 345 #define CM_EXTENT_MIDI    0x2
 346 #define CM_EXTENT_SYNTH   0x4
 347
 348
 349 /*
 350  * pci ids
 351  */
 352 #ifndef PCI_VENDOR_ID_CMEDIA
 353 #define PCI_VENDOR_ID_CMEDIA         0x13F6
 354 #endif
 355 #ifndef PCI_DEVICE_ID_CMEDIA_CM8338A
 356 #define PCI_DEVICE_ID_CMEDIA_CM8338A 0x0100
 357 #endif
 358 #ifndef PCI_DEVICE_ID_CMEDIA_CM8338B
 359 #define PCI_DEVICE_ID_CMEDIA_CM8338B 0x0101
 360 #endif
 361 #ifndef PCI_DEVICE_ID_CMEDIA_CM8738
 362 #define PCI_DEVICE_ID_CMEDIA_CM8738  0x0111
 363 #endif
 364 #ifndef PCI_DEVICE_ID_CMEDIA_CM8738B
 365 #define PCI_DEVICE_ID_CMEDIA_CM8738B 0x0112
 366 #endif
 367
 368 /*
 369  * channels for playback / capture
 370  */
 371 #define CM_CH_PLAY      0
 372 #define CM_CH_CAPT      1
 373
 374 /*
 375  * flags to check device open/close
 376  */
 377 #define CM_OPEN_NONE    0
 378 #define CM_OPEN_CH_MASK 0x01
 379 #define CM_OPEN_DAC     0x10
 380 #define CM_OPEN_ADC     0x20
 381 #define CM_OPEN_SPDIF   0x40
 382 #define CM_OPEN_MCHAN   0x80
 383 #define CM_OPEN_PLAYBACK        (CM_CH_PLAY | CM_OPEN_DAC)
 384 #define CM_OPEN_PLAYBACK2       (CM_CH_CAPT | CM_OPEN_DAC)
 385 #define CM_OPEN_PLAYBACK_MULTI  (CM_CH_PLAY | CM_OPEN_DAC | CM_OPEN_MCHAN)
 386 #define CM_OPEN_CAPTURE         (CM_CH_CAPT | CM_OPEN_ADC)
 387 #define CM_OPEN_SPDIF_PLAYBACK  (CM_CH_PLAY | CM_OPEN_DAC | CM_OPEN_SPDIF)
 388 #define CM_OPEN_SPDIF_CAPTURE   (CM_CH_CAPT | CM_OPEN_ADC | CM_OPEN_SPDIF)
 389
 390
 391 #if CM_CH_PLAY == 1
 392 #define CM_PLAYBACK_SRATE_176K  CM_CH1_SRATE_176K
 393 #define CM_PLAYBACK_SPDF        CM_SPDF_1
 394 #define CM_CAPTURE_SPDF         CM_SPDF_0
 395 #else
 396 #define CM_PLAYBACK_SRATE_176K CM_CH0_SRATE_176K
 397 #define CM_PLAYBACK_SPDF        CM_SPDF_0
 398 #define CM_CAPTURE_SPDF         CM_SPDF_1
 399 #endif
 400
 401
 402 /*
 403  * driver data
 404  */
 405
 406 typedef struct snd_stru_cmipci cmipci_t;
 407 typedef struct snd_stru_cmipci_pcm cmipci_pcm_t;
 408
 409 struct snd_stru_cmipci_pcm {
 410         snd_pcm_substream_t *substream;
 411         int running;            /* dac/adc running? */
 412         unsigned int dma_size;  /* in frames */
 413         unsigned int period_size;       /* in frames */
 414         unsigned int offset;    /* physical address of the buffer */
 415         unsigned int fmt;       /* format bits */
 416         int ch;                 /* channel (0/1) */
 417         unsigned int is_dac;            /* is dac? */
 418         int bytes_per_frame;
 419         int shift;
 420 };
 421
 422 /* mixer elements toggled/resumed during ac3 playback */
 423 struct cmipci_mixer_auto_switches {
 424         const char *name;       /* switch to toggle */
 425         int toggle_on;          /* value to change when ac3 mode */
 426 };
 427 static const struct cmipci_mixer_auto_switches cm_saved_mixer[] = {
 428         {"PCM Playback Switch", 0},
 429         {"IEC958 Output Switch", 1},
 430         {"IEC958 Mix Analog", 0},
 431         // {"IEC958 Out To DAC", 1}, // no longer used
 432         {"IEC958 Loop", 0},
 433 };
 434 #define CM_SAVED_MIXERS         ARRAY_SIZE(cm_saved_mixer)
 435
 436 struct snd_stru_cmipci {
 437         snd_card_t *card;
 438
 439         struct pci_dev *pci;
 440         unsigned int device;    /* device ID */
 441         int irq;
 442
 443         unsigned long iobase;
 444         unsigned int ctrl;      /* FUNCTRL0 current value */
 445
 446         snd_pcm_t *pcm;         /* DAC/ADC PCM */
 447         snd_pcm_t *pcm2;        /* 2nd DAC */
 448         snd_pcm_t *pcm_spdif;   /* SPDIF */
 449
 450         int chip_version;
 451         int max_channels;
 452         unsigned int has_dual_dac: 1;
 453         unsigned int can_ac3_sw: 1;
 454         unsigned int can_ac3_hw: 1;
 455         unsigned int can_multi_ch: 1;
 456         unsigned int do_soft_ac3: 1;
 457
 458         unsigned int spdif_playback_avail: 1;   /* spdif ready? */
 459         unsigned int spdif_playback_enabled: 1; /* spdif switch enabled? */
 460         int spdif_counter;      /* for software AC3 */
 461
 462         unsigned int dig_status;
 463         unsigned int dig_pcm_status;
 464
 465         snd_pcm_hardware_t *hw_info[3]; /* for playbacks */
 466
 467         int opened[2];  /* open mode */
 468         struct semaphore open_mutex;
 469
 470         unsigned int mixer_insensitive: 1;
 471         snd_kcontrol_t *mixer_res_ctl[CM_SAVED_MIXERS];
 472         int mixer_res_status[CM_SAVED_MIXERS];
 473
 474         opl3_t *opl3;
 475         snd_hwdep_t *opl3hwdep;
 476
 477         cmipci_pcm_t channel[2];        /* ch0 - DAC, ch1 - ADC or 2nd DAC */
 478
 479         /* external MIDI */
 480         snd_rawmidi_t *rmidi;
 481
 482 #ifdef SUPPORT_JOYSTICK
 483         struct gameport *gameport;
 484 #endif
 485
 486         spinlock_t reg_lock;
 487 };
 488
 489
 490 /* read/write operations for dword register */
 491 static inline void snd_cmipci_write(cmipci_t *cm, unsigned int cmd, unsigned int data)
 492 {
 493         outl(data, cm->iobase + cmd);
 494 }
 495
 496 static inline unsigned int snd_cmipci_read(cmipci_t *cm, unsigned int cmd)
 497 {
 498         return inl(cm->iobase + cmd);
 499 }
 500
 501 /* read/write operations for word register */
 502 static inline void snd_cmipci_write_w(cmipci_t *cm, unsigned int cmd, unsigned short data)
 503 {
 504         outw(data, cm->iobase + cmd);
 505 }
 506
 507 static inline unsigned short snd_cmipci_read_w(cmipci_t *cm, unsigned int cmd)
 508 {
 509         return inw(cm->iobase + cmd);
 510 }
 511
 512 /* read/write operations for byte register */
 513 static inline void snd_cmipci_write_b(cmipci_t *cm, unsigned int cmd, unsigned char data)
 514 {
 515         outb(data, cm->iobase + cmd);
 516 }
 517
 518 static inline unsigned char snd_cmipci_read_b(cmipci_t *cm, unsigned int cmd)
 519 {
 520         return inb(cm->iobase + cmd);
 521 }
 522
 523 /* bit operations for dword register */
 524 static int snd_cmipci_set_bit(cmipci_t *cm, unsigned int cmd, unsigned int flag)
 525 {
 526         unsigned int val, oval;
 527         val = oval = inl(cm->iobase + cmd);
 528         val |= flag;
 529         if (val == oval)
 530                 return 0;
 531         outl(val, cm->iobase + cmd);
 532         return 1;
 533 }
 534
 535 static int snd_cmipci_clear_bit(cmipci_t *cm, unsigned int cmd, unsigned int flag)
 536 {
 537         unsigned int val, oval;
 538         val = oval = inl(cm->iobase + cmd);
 539         val &= ~flag;
 540         if (val == oval)
 541                 return 0;
 542         outl(val, cm->iobase + cmd);
 543         return 1;
 544 }
 545
 546 /* bit operations for byte register */
 547 static int snd_cmipci_set_bit_b(cmipci_t *cm, unsigned int cmd, unsigned char flag)
 548 {
 549         unsigned char val, oval;
 550         val = oval = inb(cm->iobase + cmd);
 551         val |= flag;
 552         if (val == oval)
 553                 return 0;
 554         outb(val, cm->iobase + cmd);
 555         return 1;
 556 }
 557
 558 static int snd_cmipci_clear_bit_b(cmipci_t *cm, unsigned int cmd, unsigned char flag)
 559 {
 560         unsigned char val, oval;
 561         val = oval = inb(cm->iobase + cmd);
 562         val &= ~flag;
 563         if (val == oval)
 564                 return 0;
 565         outb(val, cm->iobase + cmd);
 566         return 1;
 567 }
 568
 569
 570 /*
 571  * PCM interface
 572  */
 573
 574 /*
 575  * calculate frequency
 576  */
 577
 578 static unsigned int rates[] = { 5512, 11025, 22050, 44100, 8000, 16000, 32000, 48000 };
 579
 580 static unsigned int snd_cmipci_rate_freq(unsigned int rate)
 581 {
 582         unsigned int i;
 583         for (i = 0; i < ARRAY_SIZE(rates); i++) {
 584                 if (rates[i] == rate)
 585                         return i;
 586         }
 587         snd_BUG();
 588         return 0;
 589 }
 590
 591 #ifdef USE_VAR48KRATE
 592 /*
 593  * Determine PLL values for frequency setup, maybe the CMI8338 (CMI8738???)
 594  * does it this way .. maybe not.  Never get any information from C-Media about
 595  * that <werner@suse.de>.
 596  */
 597 static int snd_cmipci_pll_rmn(unsigned int rate, unsigned int adcmult, int *r, int *m, int *n)
 598 {
 599         unsigned int delta, tolerance;
 600         int xm, xn, xr;
 601
 602         for (*r = 0; rate < CM_MAXIMUM_RATE/adcmult; *r += (1<<5))
 603                 rate <<= 1;
 604         *n = -1;
 605         if (*r > 0xff)
 606                 goto out;
 607         tolerance = rate*CM_TOLERANCE_RATE;
 608
 609         for (xn = (1+2); xn < (0x1f+2); xn++) {
 610                 for (xm = (1+2); xm < (0xff+2); xm++) {
 611                         xr = ((CM_REFFREQ_XIN/adcmult) * xm) / xn;
 612
 613                         if (xr < rate)
 614                                 delta = rate - xr;
 615                         else
 616                                 delta = xr - rate;
 617
 618                         /*
 619                          * If we found one, remember this,
 620                          * and try to find a closer one
 621                          */
 622                         if (delta < tolerance) {
 623                                 tolerance = delta;
 624                                 *m = xm - 2;
 625                                 *n = xn - 2;
 626                         }
 627                 }
 628         }
 629 out:
 630         return (*n > -1);
 631 }
 632
 633 /*
 634  * Program pll register bits, I assume that the 8 registers 0xf8 upto 0xff
 635  * are mapped onto the 8 ADC/DAC sampling frequency which can be choosen
 636  * at the register CM_REG_FUNCTRL1 (0x04).
 637  * Problem: other ways are also possible (any information about that?)
 638  */
 639 static void snd_cmipci_set_pll(cmipci_t *cm, unsigned int rate, unsigned int slot)
 640 {
 641         unsigned int reg = CM_REG_PLL + slot;
 642         /*
 643          * Guess that this programs at reg. 0x04 the pos 15:13/12:10
 644          * for DSFC/ASFC (000 upto 111).
 645          */
 646
 647         /* FIXME: Init (Do we've to set an other register first before programming?) */
 648
 649         /* FIXME: Is this correct? Or shouldn't the m/n/r values be used for that? */
 650         snd_cmipci_write_b(cm, reg, rate>>8);
 651         snd_cmipci_write_b(cm, reg, rate&0xff);
 652
 653         /* FIXME: Setup (Do we've to set an other register first to enable this?) */
 654 }
 655 #endif /* USE_VAR48KRATE */
 656
 657 static int snd_cmipci_hw_params(snd_pcm_substream_t * substream,
 658                                 snd_pcm_hw_params_t * hw_params)
 659 {
 660         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 661 }
 662
 663 static int snd_cmipci_playback2_hw_params(snd_pcm_substream_t * substream,
 664                                           snd_pcm_hw_params_t * hw_params)
 665 {
 666         cmipci_t *cm = snd_pcm_substream_chip(substream);
 667         if (params_channels(hw_params) > 2) {
 668                 down(&cm->open_mutex);
 669                 if (cm->opened[CM_CH_PLAY]) {
 670                         up(&cm->open_mutex);
 671                         return -EBUSY;
 672                 }
 673                 /* reserve the channel A */
 674                 cm->opened[CM_CH_PLAY] = CM_OPEN_PLAYBACK_MULTI;
 675                 up(&cm->open_mutex);
 676         }
 677         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 678 }
 679
 680 static void snd_cmipci_ch_reset(cmipci_t *cm, int ch)
 681 {
 682         int reset = CM_RST_CH0 << (cm->channel[ch].ch);
 683         snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl | reset);
 684         snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset);
 685         udelay(10);
 686 }
 687
 688 static int snd_cmipci_hw_free(snd_pcm_substream_t * substream)
 689 {
 690         return snd_pcm_lib_free_pages(substream);
 691 }
 692
 693
 694 /*
 695  */
 696
 697 static unsigned int hw_channels[] = {1, 2, 4, 5, 6, 8};
 698 static snd_pcm_hw_constraint_list_t hw_constraints_channels_4 = {
 699         .count = 3,
 700         .list = hw_channels,
 701         .mask = 0,
 702 };
 703 static snd_pcm_hw_constraint_list_t hw_constraints_channels_6 = {
 704         .count = 5,
 705         .list = hw_channels,
 706         .mask = 0,
 707 };
 708 static snd_pcm_hw_constraint_list_t hw_constraints_channels_8 = {
 709         .count = 6,
 710         .list = hw_channels,
 711         .mask = 0,
 712 };
 713
 714 static int set_dac_channels(cmipci_t *cm, cmipci_pcm_t *rec, int channels)
 715 {
 716         if (channels > 2) {
 717                 if (! cm->can_multi_ch)
 718                         return -EINVAL;
 719                 if (rec->fmt != 0x03) /* stereo 16bit only */
 720                         return -EINVAL;
 721
 722                 spin_lock_irq(&cm->reg_lock);
 723                 snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_NXCHG);
 724                 snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC);
 725                 if (channels > 4) {
 726                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D);
 727                         snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_CHB3D5C);
 728                 } else {
 729                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D5C);
 730                         snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_CHB3D);
 731                 }
 732                 if (channels >= 6) {
 733                         snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_CHB3D6C);
 734                         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENCENTER);
 735                 } else {
 736                         snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_CHB3D6C);
 737                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENCENTER);
 738                 }
 739                 if (cm->chip_version == 68) {
 740                         if (channels == 8) {
 741                                 snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL_8768, CM_CHB3D8C);
 742                         } else {
 743                                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL_8768, CM_CHB3D8C);
 744                         }
 745                 }
 746                 spin_unlock_irq(&cm->reg_lock);
 747
 748         } else {
 749                 if (cm->can_multi_ch) {
 750                         spin_lock_irq(&cm->reg_lock);
 751                         snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_NXCHG);
 752                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D);
 753                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_CHB3D5C);
 754                         snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_CHB3D6C);
 755                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENCENTER);
 756                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC);
 757                         spin_unlock_irq(&cm->reg_lock);
 758                 }
 759         }
 760         return 0;
 761 }
 762
 763
 764 /*
 765  * prepare playback/capture channel
 766  * channel to be used must have been set in rec->ch.
 767  */
 768 static int snd_cmipci_pcm_prepare(cmipci_t *cm, cmipci_pcm_t *rec,
 769                                  snd_pcm_substream_t *substream)
 770 {
 771         unsigned int reg, freq, val;
 772         snd_pcm_runtime_t *runtime = substream->runtime;
 773
 774         rec->fmt = 0;
 775         rec->shift = 0;
 776         if (snd_pcm_format_width(runtime->format) >= 16) {
 777                 rec->fmt |= 0x02;
 778                 if (snd_pcm_format_width(runtime->format) > 16)
 779                         rec->shift++; /* 24/32bit */
 780         }
 781         if (runtime->channels > 1)
 782                 rec->fmt |= 0x01;
 783         if (rec->is_dac && set_dac_channels(cm, rec, runtime->channels) < 0) {
 784                 snd_printd("cannot set dac channels\n");
 785                 return -EINVAL;
 786         }
 787
 788         rec->offset = runtime->dma_addr;
 789         /* buffer and period sizes in frame */
 790         rec->dma_size = runtime->buffer_size << rec->shift;
 791         rec->period_size = runtime->period_size << rec->shift;
 792         if (runtime->channels > 2) {
 793                 /* multi-channels */
 794                 rec->dma_size = (rec->dma_size * runtime->channels) / 2;
 795                 rec->period_size = (rec->period_size * runtime->channels) / 2;
 796         }
 797
 798         spin_lock_irq(&cm->reg_lock);
 799
 800         /* set buffer address */
 801         reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1;
 802         snd_cmipci_write(cm, reg, rec->offset);
 803         /* program sample counts */
 804         reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2;
 805         snd_cmipci_write_w(cm, reg, rec->dma_size - 1);
 806         snd_cmipci_write_w(cm, reg + 2, rec->period_size - 1);
 807
 808         /* set adc/dac flag */
 809         val = rec->ch ? CM_CHADC1 : CM_CHADC0;
 810         if (rec->is_dac)
 811                 cm->ctrl &= ~val;
 812         else
 813                 cm->ctrl |= val;
 814         snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
 815         //snd_printd("cmipci: functrl0 = %08x\n", cm->ctrl);
 816
 817         /* set sample rate */
 818         freq = snd_cmipci_rate_freq(runtime->rate);
 819         val = snd_cmipci_read(cm, CM_REG_FUNCTRL1);
 820         if (rec->ch) {
 821                 val &= ~CM_ASFC_MASK;
 822                 val |= (freq << CM_ASFC_SHIFT) & CM_ASFC_MASK;
 823         } else {
 824                 val &= ~CM_DSFC_MASK;
 825                 val |= (freq << CM_DSFC_SHIFT) & CM_DSFC_MASK;
 826         }
 827         snd_cmipci_write(cm, CM_REG_FUNCTRL1, val);
 828         //snd_printd("cmipci: functrl1 = %08x\n", val);
 829
 830         /* set format */
 831         val = snd_cmipci_read(cm, CM_REG_CHFORMAT);
 832         if (rec->ch) {
 833                 val &= ~CM_CH1FMT_MASK;
 834                 val |= rec->fmt << CM_CH1FMT_SHIFT;
 835         } else {
 836                 val &= ~CM_CH0FMT_MASK;
 837                 val |= rec->fmt << CM_CH0FMT_SHIFT;
 838         }
 839         snd_cmipci_write(cm, CM_REG_CHFORMAT, val);
 840         //snd_printd("cmipci: chformat = %08x\n", val);
 841
 842         rec->running = 0;
 843         spin_unlock_irq(&cm->reg_lock);
 844
 845         return 0;
 846 }
 847
 848 /*
 849  * PCM trigger/stop
 850  */
 851 static int snd_cmipci_pcm_trigger(cmipci_t *cm, cmipci_pcm_t *rec,
 852                                  snd_pcm_substream_t *substream, int cmd)
 853 {
 854         unsigned int inthld, chen, reset, pause;
 855         int result = 0;
 856
 857         inthld = CM_CH0_INT_EN << rec->ch;
 858         chen = CM_CHEN0 << rec->ch;
 859         reset = CM_RST_CH0 << rec->ch;
 860         pause = CM_PAUSE0 << rec->ch;
 861
 862         spin_lock(&cm->reg_lock);
 863         switch (cmd) {
 864         case SNDRV_PCM_TRIGGER_START:
 865                 rec->running = 1;
 866                 /* set interrupt */
 867                 snd_cmipci_set_bit(cm, CM_REG_INT_HLDCLR, inthld);
 868                 cm->ctrl |= chen;
 869                 /* enable channel */
 870                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
 871                 //snd_printd("cmipci: functrl0 = %08x\n", cm->ctrl);
 872                 break;
 873         case SNDRV_PCM_TRIGGER_STOP:
 874                 rec->running = 0;
 875                 /* disable interrupt */
 876                 snd_cmipci_clear_bit(cm, CM_REG_INT_HLDCLR, inthld);
 877                 /* reset */
 878                 cm->ctrl &= ~chen;
 879                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl | reset);
 880                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset);
 881                 break;
 882         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 883                 cm->ctrl |= pause;
 884                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
 885                 break;
 886         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 887                 cm->ctrl &= ~pause;
 888                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
 889                 break;
 890         default:
 891                 result = -EINVAL;
 892                 break;
 893         }
 894         spin_unlock(&cm->reg_lock);
 895         return result;
 896 }
 897
 898 /*
 899  * return the current pointer
 900  */
 901 static snd_pcm_uframes_t snd_cmipci_pcm_pointer(cmipci_t *cm, cmipci_pcm_t *rec,
 902                                           snd_pcm_substream_t *substream)
 903 {
 904         size_t ptr;
 905         unsigned int reg;
 906         if (!rec->running)
 907                 return 0;
 908 #if 1 // this seems better..
 909         reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2;
 910         ptr = rec->dma_size - (snd_cmipci_read_w(cm, reg) + 1);
 911         ptr >>= rec->shift;
 912 #else
 913         reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1;
 914         ptr = snd_cmipci_read(cm, reg) - rec->offset;
 915         ptr = bytes_to_frames(substream->runtime, ptr);
 916 #endif
 917         if (substream->runtime->channels > 2)
 918                 ptr = (ptr * 2) / substream->runtime->channels;
 919         return ptr;
 920 }
 921
 922 /*
 923  * playback
 924  */
 925
 926 static int snd_cmipci_playback_trigger(snd_pcm_substream_t *substream,
 927                                        int cmd)
 928 {
 929         cmipci_t *cm = snd_pcm_substream_chip(substream);
 930         return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_PLAY], substream, cmd);
 931 }
 932
 933 static snd_pcm_uframes_t snd_cmipci_playback_pointer(snd_pcm_substream_t *substream)
 934 {
 935         cmipci_t *cm = snd_pcm_substream_chip(substream);
 936         return snd_cmipci_pcm_pointer(cm, &cm->channel[CM_CH_PLAY], substream);
 937 }
 938
 939
 940
 941 /*
 942  * capture
 943  */
 944
 945 static int snd_cmipci_capture_trigger(snd_pcm_substream_t *substream,
 946                                      int cmd)
 947 {
 948         cmipci_t *cm = snd_pcm_substream_chip(substream);
 949         return snd_cmipci_pcm_trigger(cm, &cm->channel[CM_CH_CAPT], substream, cmd);
 950 }
 951
 952 static snd_pcm_uframes_t snd_cmipci_capture_pointer(snd_pcm_substream_t *substream)
 953 {
 954         cmipci_t *cm = snd_pcm_substream_chip(substream);
 955         return snd_cmipci_pcm_pointer(cm, &cm->channel[CM_CH_CAPT], substream);
 956 }
 957
 958
 959 /*
 960  * hw preparation for spdif
 961  */
 962
 963 static int snd_cmipci_spdif_default_info(snd_kcontrol_t *kcontrol,
 964                                          snd_ctl_elem_info_t *uinfo)
 965 {
 966         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 967         uinfo->count = 1;
 968         return 0;
 969 }
 970
 971 static int snd_cmipci_spdif_default_get(snd_kcontrol_t *kcontrol,
 972                                         snd_ctl_elem_value_t *ucontrol)
 973 {
 974         cmipci_t *chip = snd_kcontrol_chip(kcontrol);
 975         int i;
 976
 977         spin_lock_irq(&chip->reg_lock);
 978         for (i = 0; i < 4; i++)
 979                 ucontrol->value.iec958.status[i] = (chip->dig_status >> (i * 8)) & 0xff;
 980         spin_unlock_irq(&chip->reg_lock);
 981         return 0;
 982 }
 983
 984 static int snd_cmipci_spdif_default_put(snd_kcontrol_t * kcontrol,
 985                                          snd_ctl_elem_value_t * ucontrol)
 986 {
 987         cmipci_t *chip = snd_kcontrol_chip(kcontrol);
 988         int i, change;
 989         unsigned int val;
 990
 991         val = 0;
 992         spin_lock_irq(&chip->reg_lock);
 993         for (i = 0; i < 4; i++)
 994                 val |= (unsigned int)ucontrol->value.iec958.status[i] << (i * 8);
 995         change = val != chip->dig_status;
 996         chip->dig_status = val;
 997         spin_unlock_irq(&chip->reg_lock);
 998         return change;
 999 }
1000
1001 static snd_kcontrol_new_t snd_cmipci_spdif_default __devinitdata =
1002 {
1003         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1004         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1005         .info =         snd_cmipci_spdif_default_info,
1006         .get =          snd_cmipci_spdif_default_get,
1007         .put =          snd_cmipci_spdif_default_put
1008 };
1009
1010 static int snd_cmipci_spdif_mask_info(snd_kcontrol_t *kcontrol,
1011                                       snd_ctl_elem_info_t *uinfo)
1012 {
1013         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1014         uinfo->count = 1;
1015         return 0;
1016 }
1017
1018 static int snd_cmipci_spdif_mask_get(snd_kcontrol_t * kcontrol,
1019                                      snd_ctl_elem_value_t *ucontrol)
1020 {
1021         ucontrol->value.iec958.status[0] = 0xff;
1022         ucontrol->value.iec958.status[1] = 0xff;
1023         ucontrol->value.iec958.status[2] = 0xff;
1024         ucontrol->value.iec958.status[3] = 0xff;
1025         return 0;
1026 }
1027
1028 static snd_kcontrol_new_t snd_cmipci_spdif_mask __devinitdata =
1029 {
1030         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1031         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1032         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
1033         .info =         snd_cmipci_spdif_mask_info,
1034         .get =          snd_cmipci_spdif_mask_get,
1035 };
1036
1037 static int snd_cmipci_spdif_stream_info(snd_kcontrol_t *kcontrol,
1038                                         snd_ctl_elem_info_t *uinfo)
1039 {
1040         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1041         uinfo->count = 1;
1042         return 0;
1043 }
1044
1045 static int snd_cmipci_spdif_stream_get(snd_kcontrol_t *kcontrol,
1046                                        snd_ctl_elem_value_t *ucontrol)
1047 {
1048         cmipci_t *chip = snd_kcontrol_chip(kcontrol);
1049         int i;
1050
1051         spin_lock_irq(&chip->reg_lock);
1052         for (i = 0; i < 4; i++)
1053                 ucontrol->value.iec958.status[i] = (chip->dig_pcm_status >> (i * 8)) & 0xff;
1054         spin_unlock_irq(&chip->reg_lock);
1055         return 0;
1056 }
1057
1058 static int snd_cmipci_spdif_stream_put(snd_kcontrol_t *kcontrol,
1059                                        snd_ctl_elem_value_t *ucontrol)
1060 {
1061         cmipci_t *chip = snd_kcontrol_chip(kcontrol);
1062         int i, change;
1063         unsigned int val;
1064
1065         val = 0;
1066         spin_lock_irq(&chip->reg_lock);
1067         for (i = 0; i < 4; i++)
1068                 val |= (unsigned int)ucontrol->value.iec958.status[i] << (i * 8);
1069         change = val != chip->dig_pcm_status;
1070         chip->dig_pcm_status = val;
1071         spin_unlock_irq(&chip->reg_lock);
1072         return change;
1073 }
1074
1075 static snd_kcontrol_new_t snd_cmipci_spdif_stream __devinitdata =
1076 {
1077         .access =       SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1078         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1079         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1080         .info =         snd_cmipci_spdif_stream_info,
1081         .get =          snd_cmipci_spdif_stream_get,
1082         .put =          snd_cmipci_spdif_stream_put
1083 };
1084
1085 /*
1086  */
1087
1088 /* save mixer setting and mute for AC3 playback */
1089 static int save_mixer_state(cmipci_t *cm)
1090 {
1091         if (! cm->mixer_insensitive) {
1092                 snd_ctl_elem_value_t *val;
1093                 unsigned int i;
1094
1095                 val = kmalloc(sizeof(*val), GFP_ATOMIC);
1096                 if (!val)
1097                         return -ENOMEM;
1098                 for (i = 0; i < CM_SAVED_MIXERS; i++) {
1099                         snd_kcontrol_t *ctl = cm->mixer_res_ctl[i];
1100                         if (ctl) {
1101                                 int event;
1102                                 memset(val, 0, sizeof(*val));
1103                                 ctl->get(ctl, val);
1104                                 cm->mixer_res_status[i] = val->value.integer.value[0];
1105                                 val->value.integer.value[0] = cm_saved_mixer[i].toggle_on;
1106                                 event = SNDRV_CTL_EVENT_MASK_INFO;
1107                                 if (cm->mixer_res_status[i] != val->value.integer.value[0]) {
1108                                         ctl->put(ctl, val); /* toggle */
1109                                         event |= SNDRV_CTL_EVENT_MASK_VALUE;
1110                                 }
1111                                 ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1112                                 snd_ctl_notify(cm->card, event, &ctl->id);
1113                         }
1114                 }
1115                 kfree(val);
1116                 cm->mixer_insensitive = 1;
1117         }
1118         return 0;
1119 }
1120
1121
1122 /* restore the previously saved mixer status */
1123 static void restore_mixer_state(cmipci_t *cm)
1124 {
1125         if (cm->mixer_insensitive) {
1126                 snd_ctl_elem_value_t *val;
1127                 unsigned int i;
1128
1129                 val = kmalloc(sizeof(*val), GFP_KERNEL);
1130                 if (!val)
1131                         return;
1132                 cm->mixer_insensitive = 0; /* at first clear this;
1133                                               otherwise the changes will be ignored */
1134                 for (i = 0; i < CM_SAVED_MIXERS; i++) {
1135                         snd_kcontrol_t *ctl = cm->mixer_res_ctl[i];
1136                         if (ctl) {
1137                                 int event;
1138
1139                                 memset(val, 0, sizeof(*val));
1140                                 ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1141                                 ctl->get(ctl, val);
1142                                 event = SNDRV_CTL_EVENT_MASK_INFO;
1143                                 if (val->value.integer.value[0] != cm->mixer_res_status[i]) {
1144                                         val->value.integer.value[0] = cm->mixer_res_status[i];
1145                                         ctl->put(ctl, val);
1146                                         event |= SNDRV_CTL_EVENT_MASK_VALUE;
1147                                 }
1148                                 snd_ctl_notify(cm->card, event, &ctl->id);
1149                         }
1150                 }
1151                 kfree(val);
1152         }
1153 }
1154
1155 /* spinlock held! */
1156 static void setup_ac3(cmipci_t *cm, snd_pcm_substream_t *subs, int do_ac3, int rate)
1157 {
1158         if (do_ac3) {
1159                 /* AC3EN for 037 */
1160                 snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_AC3EN1);
1161                 /* AC3EN for 039 */
1162                 snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_AC3EN2);
1163
1164                 if (cm->can_ac3_hw) {
1165                         /* SPD24SEL for 037, 0x02 */
1166                         /* SPD24SEL for 039, 0x20, but cannot be set */
1167                         snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL);
1168                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
1169                 } else { /* can_ac3_sw */
1170                         /* SPD32SEL for 037 & 039, 0x20 */
1171                         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
1172                         /* set 176K sample rate to fix 033 HW bug */
1173                         if (cm->chip_version == 33) {
1174                                 if (rate >= 48000) {
1175                                         snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K);
1176                                 } else {
1177                                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K);
1178                                 }
1179                         }
1180                 }
1181
1182         } else {
1183                 snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_AC3EN1);
1184                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_AC3EN2);
1185
1186                 if (cm->can_ac3_hw) {
1187                         /* chip model >= 37 */
1188                         if (snd_pcm_format_width(subs->runtime->format) > 16) {
1189                                 snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
1190                                 snd_cmipci_set_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL);
1191                         } else {
1192                                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
1193                                 snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL);
1194                         }
1195                 } else {
1196                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPD32SEL);
1197                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_SPD24SEL);
1198                         snd_cmipci_clear_bit(cm, CM_REG_CHFORMAT, CM_PLAYBACK_SRATE_176K);
1199                 }
1200         }
1201 }
1202
1203 static int setup_spdif_playback(cmipci_t *cm, snd_pcm_substream_t *subs, int up, int do_ac3)
1204 {
1205         int rate, err;
1206
1207         rate = subs->runtime->rate;
1208
1209         if (up && do_ac3)
1210                 if ((err = save_mixer_state(cm)) < 0)
1211                         return err;
1212
1213         spin_lock_irq(&cm->reg_lock);
1214         cm->spdif_playback_avail = up;
1215         if (up) {
1216                 /* they are controlled via "IEC958 Output Switch" */
1217                 /* snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT); */
1218                 /* snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_SPDO2DAC); */
1219                 if (cm->spdif_playback_enabled)
1220                         snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF);
1221                 setup_ac3(cm, subs, do_ac3, rate);
1222
1223                 if (rate == 48000)
1224                         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K | CM_SPDF_AC97);
1225                 else
1226                         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K | CM_SPDF_AC97);
1227
1228         } else {
1229                 /* they are controlled via "IEC958 Output Switch" */
1230                 /* snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT); */
1231                 /* snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_SPDO2DAC); */
1232                 snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF);
1233                 setup_ac3(cm, subs, 0, 0);
1234         }
1235         spin_unlock_irq(&cm->reg_lock);
1236         return 0;
1237 }
1238
1239
1240 /*
1241  * preparation
1242  */
1243
1244 /* playback - enable spdif only on the certain condition */
1245 static int snd_cmipci_playback_prepare(snd_pcm_substream_t *substream)
1246 {
1247         cmipci_t *cm = snd_pcm_substream_chip(substream);
1248         int rate = substream->runtime->rate;
1249         int err, do_spdif, do_ac3 = 0;
1250
1251         do_spdif = ((rate == 44100 || rate == 48000) &&
1252                     substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE &&
1253                     substream->runtime->channels == 2);
1254         if (do_spdif && cm->can_ac3_hw)
1255                 do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO;
1256         if ((err = setup_spdif_playback(cm, substream, do_spdif, do_ac3)) < 0)
1257                 return err;
1258         return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream);
1259 }
1260
1261 /* playback  (via device #2) - enable spdif always */
1262 static int snd_cmipci_playback_spdif_prepare(snd_pcm_substream_t *substream)
1263 {
1264         cmipci_t *cm = snd_pcm_substream_chip(substream);
1265         int err, do_ac3;
1266
1267         if (cm->can_ac3_hw)
1268                 do_ac3 = cm->dig_pcm_status & IEC958_AES0_NONAUDIO;
1269         else
1270                 do_ac3 = 1; /* doesn't matter */
1271         if ((err = setup_spdif_playback(cm, substream, 1, do_ac3)) < 0)
1272                 return err;
1273         return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_PLAY], substream);
1274 }
1275
1276 static int snd_cmipci_playback_hw_free(snd_pcm_substream_t *substream)
1277 {
1278         cmipci_t *cm = snd_pcm_substream_chip(substream);
1279         setup_spdif_playback(cm, substream, 0, 0);
1280         restore_mixer_state(cm);
1281         return snd_cmipci_hw_free(substream);
1282 }
1283
1284 /* capture */
1285 static int snd_cmipci_capture_prepare(snd_pcm_substream_t *substream)
1286 {
1287         cmipci_t *cm = snd_pcm_substream_chip(substream);
1288         return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_CAPT], substream);
1289 }
1290
1291 /* capture with spdif (via device #2) */
1292 static int snd_cmipci_capture_spdif_prepare(snd_pcm_substream_t *substream)
1293 {
1294         cmipci_t *cm = snd_pcm_substream_chip(substream);
1295
1296         spin_lock_irq(&cm->reg_lock);
1297         snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_CAPTURE_SPDF);
1298         spin_unlock_irq(&cm->reg_lock);
1299
1300         return snd_cmipci_pcm_prepare(cm, &cm->channel[CM_CH_CAPT], substream);
1301 }
1302
1303 static int snd_cmipci_capture_spdif_hw_free(snd_pcm_substream_t *subs)
1304 {
1305         cmipci_t *cm = snd_pcm_substream_chip(subs);
1306
1307         spin_lock_irq(&cm->reg_lock);
1308         snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_CAPTURE_SPDF);
1309         spin_unlock_irq(&cm->reg_lock);
1310
1311         return snd_cmipci_hw_free(subs);
1312 }
1313
1314
1315 /*
1316  * interrupt handler
1317  */
1318 static irqreturn_t snd_cmipci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1319 {
1320         cmipci_t *cm = dev_id;
1321         unsigned int status, mask = 0;
1322
1323         /* fastpath out, to ease interrupt sharing */
1324         status = snd_cmipci_read(cm, CM_REG_INT_STATUS);
1325         if (!(status & CM_INTR))
1326                 return IRQ_NONE;
1327
1328         /* acknowledge interrupt */
1329         spin_lock(&cm->reg_lock);
1330         if (status & CM_CHINT0)
1331                 mask |= CM_CH0_INT_EN;
1332         if (status & CM_CHINT1)
1333                 mask |= CM_CH1_INT_EN;
1334         snd_cmipci_clear_bit(cm, CM_REG_INT_HLDCLR, mask);
1335         snd_cmipci_set_bit(cm, CM_REG_INT_HLDCLR, mask);
1336         spin_unlock(&cm->reg_lock);
1337
1338         if (cm->rmidi && (status & CM_UARTINT))
1339                 snd_mpu401_uart_interrupt(irq, cm->rmidi->private_data, regs);
1340
1341         if (cm->pcm) {
1342                 if ((status & CM_CHINT0) && cm->channel[0].running)
1343                         snd_pcm_period_elapsed(cm->channel[0].substream);
1344                 if ((status & CM_CHINT1) && cm->channel[1].running)
1345                         snd_pcm_period_elapsed(cm->channel[1].substream);
1346         }
1347         return IRQ_HANDLED;
1348 }
1349
1350 /*
1351  * h/w infos
1352  */
1353
1354 /* playback on channel A */
1355 static snd_pcm_hardware_t snd_cmipci_playback =
1356 {
1357         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1358                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1359                                  SNDRV_PCM_INFO_MMAP_VALID),
1360         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1361         .rates =                SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
1362         .rate_min =             5512,
1363         .rate_max =             48000,
1364         .channels_min =         1,
1365         .channels_max =         2,
1366         .buffer_bytes_max =     (128*1024),
1367         .period_bytes_min =     64,
1368         .period_bytes_max =     (128*1024),
1369         .periods_min =          2,
1370         .periods_max =          1024,
1371         .fifo_size =            0,
1372 };
1373
1374 /* capture on channel B */
1375 static snd_pcm_hardware_t snd_cmipci_capture =
1376 {
1377         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1378                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1379                                  SNDRV_PCM_INFO_MMAP_VALID),
1380         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1381         .rates =                SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
1382         .rate_min =             5512,
1383         .rate_max =             48000,
1384         .channels_min =         1,
1385         .channels_max =         2,
1386         .buffer_bytes_max =     (128*1024),
1387         .period_bytes_min =     64,
1388         .period_bytes_max =     (128*1024),
1389         .periods_min =          2,
1390         .periods_max =          1024,
1391         .fifo_size =            0,
1392 };
1393
1394 /* playback on channel B - stereo 16bit only? */
1395 static snd_pcm_hardware_t snd_cmipci_playback2 =
1396 {
1397         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1398                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1399                                  SNDRV_PCM_INFO_MMAP_VALID),
1400         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1401         .rates =                SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
1402         .rate_min =             5512,
1403         .rate_max =             48000,
1404         .channels_min =         2,
1405         .channels_max =         2,
1406         .buffer_bytes_max =     (128*1024),
1407         .period_bytes_min =     64,
1408         .period_bytes_max =     (128*1024),
1409         .periods_min =          2,
1410         .periods_max =          1024,
1411         .fifo_size =            0,
1412 };
1413
1414 /* spdif playback on channel A */
1415 static snd_pcm_hardware_t snd_cmipci_playback_spdif =
1416 {
1417         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1418                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1419                                  SNDRV_PCM_INFO_MMAP_VALID),
1420         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1421         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
1422         .rate_min =             44100,
1423         .rate_max =             48000,
1424         .channels_min =         2,
1425         .channels_max =         2,
1426         .buffer_bytes_max =     (128*1024),
1427         .period_bytes_min =     64,
1428         .period_bytes_max =     (128*1024),
1429         .periods_min =          2,
1430         .periods_max =          1024,
1431         .fifo_size =            0,
1432 };
1433
1434 /* spdif playback on channel A (32bit, IEC958 subframes) */
1435 static snd_pcm_hardware_t snd_cmipci_playback_iec958_subframe =
1436 {
1437         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1438                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1439                                  SNDRV_PCM_INFO_MMAP_VALID),
1440         .formats =              SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE,
1441         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
1442         .rate_min =             44100,
1443         .rate_max =             48000,
1444         .channels_min =         2,
1445         .channels_max =         2,
1446         .buffer_bytes_max =     (128*1024),
1447         .period_bytes_min =     64,
1448         .period_bytes_max =     (128*1024),
1449         .periods_min =          2,
1450         .periods_max =          1024,
1451         .fifo_size =            0,
1452 };
1453
1454 /* spdif capture on channel B */
1455 static snd_pcm_hardware_t snd_cmipci_capture_spdif =
1456 {
1457         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1458                                  SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
1459                                  SNDRV_PCM_INFO_MMAP_VALID),
1460         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1461         .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
1462         .rate_min =             44100,
1463         .rate_max =             48000,
1464         .channels_min =         2,
1465         .channels_max =         2,
1466         .buffer_bytes_max =     (128*1024),
1467         .period_bytes_min =     64,
1468         .period_bytes_max =     (128*1024),
1469         .periods_min =          2,
1470         .periods_max =          1024,
1471         .fifo_size =            0,
1472 };
1473
1474 /*
1475  * check device open/close
1476  */
1477 static int open_device_check(cmipci_t *cm, int mode, snd_pcm_substream_t *subs)
1478 {
1479         int ch = mode & CM_OPEN_CH_MASK;
1480
1481         /* FIXME: a file should wait until the device becomes free
1482          * when it's opened on blocking mode.  however, since the current
1483          * pcm framework doesn't pass file pointer before actually opened,
1484          * we can't know whether blocking mode or not in open callback..
1485          */
1486         down(&cm->open_mutex);
1487         if (cm->opened[ch]) {
1488                 up(&cm->open_mutex);
1489                 return -EBUSY;
1490         }
1491         cm->opened[ch] = mode;
1492         cm->channel[ch].substream = subs;
1493         if (! (mode & CM_OPEN_DAC)) {
1494                 /* disable dual DAC mode */
1495                 cm->channel[ch].is_dac = 0;
1496                 spin_lock_irq(&cm->reg_lock);
1497                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC);
1498                 spin_unlock_irq(&cm->reg_lock);
1499         }
1500         up(&cm->open_mutex);
1501         return 0;
1502 }
1503
1504 static void close_device_check(cmipci_t *cm, int mode)
1505 {
1506         int ch = mode & CM_OPEN_CH_MASK;
1507
1508         down(&cm->open_mutex);
1509         if (cm->opened[ch] == mode) {
1510                 if (cm->channel[ch].substream) {
1511                         snd_cmipci_ch_reset(cm, ch);
1512                         cm->channel[ch].running = 0;
1513                         cm->channel[ch].substream = NULL;
1514                 }
1515                 cm->opened[ch] = 0;
1516                 if (! cm->channel[ch].is_dac) {
1517                         /* enable dual DAC mode again */
1518                         cm->channel[ch].is_dac = 1;
1519                         spin_lock_irq(&cm->reg_lock);
1520                         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC);
1521                         spin_unlock_irq(&cm->reg_lock);
1522                 }
1523         }
1524         up(&cm->open_mutex);
1525 }
1526
1527 /*
1528  */
1529
1530 static int snd_cmipci_playback_open(snd_pcm_substream_t *substream)
1531 {
1532         cmipci_t *cm = snd_pcm_substream_chip(substream);
1533         snd_pcm_runtime_t *runtime = substream->runtime;
1534         int err;
1535
1536         if ((err = open_device_check(cm, CM_OPEN_PLAYBACK, substream)) < 0)
1537                 return err;
1538         runtime->hw = snd_cmipci_playback;
1539         runtime->hw.channels_max = cm->max_channels;
1540         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000);
1541         cm->dig_pcm_status = cm->dig_status;
1542         return 0;
1543 }
1544
1545 static int snd_cmipci_capture_open(snd_pcm_substream_t *substream)
1546 {
1547         cmipci_t *cm = snd_pcm_substream_chip(substream);
1548         snd_pcm_runtime_t *runtime = substream->runtime;
1549         int err;
1550
1551         if ((err = open_device_check(cm, CM_OPEN_CAPTURE, substream)) < 0)
1552                 return err;
1553         runtime->hw = snd_cmipci_capture;
1554         if (cm->chip_version == 68) {   // 8768 only supports 44k/48k recording
1555                 runtime->hw.rate_min = 41000;
1556                 runtime->hw.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
1557         }
1558         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000);
1559         return 0;
1560 }
1561
1562 static int snd_cmipci_playback2_open(snd_pcm_substream_t *substream)
1563 {
1564         cmipci_t *cm = snd_pcm_substream_chip(substream);
1565         snd_pcm_runtime_t *runtime = substream->runtime;
1566         int err;
1567
1568         if ((err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream)) < 0) /* use channel B */
1569                 return err;
1570         runtime->hw = snd_cmipci_playback2;
1571         down(&cm->open_mutex);
1572         if (! cm->opened[CM_CH_PLAY]) {
1573                 if (cm->can_multi_ch) {
1574                         runtime->hw.channels_max = cm->max_channels;
1575                         if (cm->max_channels == 4)
1576                                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_4);
1577                         else if (cm->max_channels == 6)
1578                                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_6);
1579                         else if (cm->max_channels == 8)
1580                                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels_8);
1581                 }
1582                 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000);
1583         }
1584         up(&cm->open_mutex);
1585         return 0;
1586 }
1587
1588 static int snd_cmipci_playback_spdif_open(snd_pcm_substream_t *substream)
1589 {
1590         cmipci_t *cm = snd_pcm_substream_chip(substream);
1591         snd_pcm_runtime_t *runtime = substream->runtime;
1592         int err;
1593
1594         if ((err = open_device_check(cm, CM_OPEN_SPDIF_PLAYBACK, substream)) < 0) /* use channel A */
1595                 return err;
1596         if (cm->can_ac3_hw) {
1597                 runtime->hw = snd_cmipci_playback_spdif;
1598                 if (cm->chip_version >= 37)
1599                         runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1600         } else {
1601                 runtime->hw = snd_cmipci_playback_iec958_subframe;
1602         }
1603         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x40000);
1604         cm->dig_pcm_status = cm->dig_status;
1605         return 0;
1606 }
1607
1608 static int snd_cmipci_capture_spdif_open(snd_pcm_substream_t * substream)
1609 {
1610         cmipci_t *cm = snd_pcm_substream_chip(substream);
1611         snd_pcm_runtime_t *runtime = substream->runtime;
1612         int err;
1613
1614         if ((err = open_device_check(cm, CM_OPEN_SPDIF_CAPTURE, substream)) < 0) /* use channel B */
1615                 return err;
1616         runtime->hw = snd_cmipci_capture_spdif;
1617         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x40000);
1618         return 0;
1619 }
1620
1621
1622 /*
1623  */
1624
1625 static int snd_cmipci_playback_close(snd_pcm_substream_t * substream)
1626 {
1627         cmipci_t *cm = snd_pcm_substream_chip(substream);
1628         close_device_check(cm, CM_OPEN_PLAYBACK);
1629         return 0;
1630 }
1631
1632 static int snd_cmipci_capture_close(snd_pcm_substream_t * substream)
1633 {
1634         cmipci_t *cm = snd_pcm_substream_chip(substream);
1635         close_device_check(cm, CM_OPEN_CAPTURE);
1636         return 0;
1637 }
1638
1639 static int snd_cmipci_playback2_close(snd_pcm_substream_t * substream)
1640 {
1641         cmipci_t *cm = snd_pcm_substream_chip(substream);
1642         close_device_check(cm, CM_OPEN_PLAYBACK2);
1643         close_device_check(cm, CM_OPEN_PLAYBACK_MULTI);
1644         return 0;
1645 }
1646
1647 static int snd_cmipci_playback_spdif_close(snd_pcm_substream_t * substream)
1648 {
1649         cmipci_t *cm = snd_pcm_substream_chip(substream);
1650         close_device_check(cm, CM_OPEN_SPDIF_PLAYBACK);
1651         return 0;
1652 }
1653
1654 static int snd_cmipci_capture_spdif_close(snd_pcm_substream_t * substream)
1655 {
1656         cmipci_t *cm = snd_pcm_substream_chip(substream);
1657         close_device_check(cm, CM_OPEN_SPDIF_CAPTURE);
1658         return 0;
1659 }
1660
1661
1662 /*
1663  */
1664
1665 static snd_pcm_ops_t snd_cmipci_playback_ops = {
1666         .open =         snd_cmipci_playback_open,
1667         .close =        snd_cmipci_playback_close,
1668         .ioctl =        snd_pcm_lib_ioctl,
1669         .hw_params =    snd_cmipci_hw_params,
1670         .hw_free =      snd_cmipci_playback_hw_free,
1671         .prepare =      snd_cmipci_playback_prepare,
1672         .trigger =      snd_cmipci_playback_trigger,
1673         .pointer =      snd_cmipci_playback_pointer,
1674 };
1675
1676 static snd_pcm_ops_t snd_cmipci_capture_ops = {
1677         .open =         snd_cmipci_capture_open,
1678         .close =        snd_cmipci_capture_close,
1679         .ioctl =        snd_pcm_lib_ioctl,
1680         .hw_params =    snd_cmipci_hw_params,
1681         .hw_free =      snd_cmipci_hw_free,
1682         .prepare =      snd_cmipci_capture_prepare,
1683         .trigger =      snd_cmipci_capture_trigger,
1684         .pointer =      snd_cmipci_capture_pointer,
1685 };
1686
1687 static snd_pcm_ops_t snd_cmipci_playback2_ops = {
1688         .open =         snd_cmipci_playback2_open,
1689         .close =        snd_cmipci_playback2_close,
1690         .ioctl =        snd_pcm_lib_ioctl,
1691         .hw_params =    snd_cmipci_playback2_hw_params,
1692         .hw_free =      snd_cmipci_hw_free,
1693         .prepare =      snd_cmipci_capture_prepare,     /* channel B */
1694         .trigger =      snd_cmipci_capture_trigger,     /* channel B */
1695         .pointer =      snd_cmipci_capture_pointer,     /* channel B */
1696 };
1697
1698 static snd_pcm_ops_t snd_cmipci_playback_spdif_ops = {
1699         .open =         snd_cmipci_playback_spdif_open,
1700         .close =        snd_cmipci_playback_spdif_close,
1701         .ioctl =        snd_pcm_lib_ioctl,
1702         .hw_params =    snd_cmipci_hw_params,
1703         .hw_free =      snd_cmipci_playback_hw_free,
1704         .prepare =      snd_cmipci_playback_spdif_prepare,      /* set up rate */
1705         .trigger =      snd_cmipci_playback_trigger,
1706         .pointer =      snd_cmipci_playback_pointer,
1707 };
1708
1709 static snd_pcm_ops_t snd_cmipci_capture_spdif_ops = {
1710         .open =         snd_cmipci_capture_spdif_open,
1711         .close =        snd_cmipci_capture_spdif_close,
1712         .ioctl =        snd_pcm_lib_ioctl,
1713         .hw_params =    snd_cmipci_hw_params,
1714         .hw_free =      snd_cmipci_capture_spdif_hw_free,
1715         .prepare =      snd_cmipci_capture_spdif_prepare,
1716         .trigger =      snd_cmipci_capture_trigger,
1717         .pointer =      snd_cmipci_capture_pointer,
1718 };
1719
1720
1721 /*
1722  */
1723
1724 static void snd_cmipci_pcm_free(snd_pcm_t *pcm)
1725 {
1726         snd_pcm_lib_preallocate_free_for_all(pcm);
1727 }
1728
1729 static int __devinit snd_cmipci_pcm_new(cmipci_t *cm, int device)
1730 {
1731         snd_pcm_t *pcm;
1732         int err;
1733
1734         err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 1, &pcm);
1735         if (err < 0)
1736                 return err;
1737
1738         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback_ops);
1739         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cmipci_capture_ops);
1740
1741         pcm->private_data = cm;
1742         pcm->private_free = snd_cmipci_pcm_free;
1743         pcm->info_flags = 0;
1744         strcpy(pcm->name, "C-Media PCI DAC/ADC");
1745         cm->pcm = pcm;
1746
1747         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1748                                               snd_dma_pci_data(cm->pci), 64*1024, 128*1024);
1749
1750         return 0;
1751 }
1752
1753 static int __devinit snd_cmipci_pcm2_new(cmipci_t *cm, int device)
1754 {
1755         snd_pcm_t *pcm;
1756         int err;
1757
1758         err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 0, &pcm);
1759         if (err < 0)
1760                 return err;
1761
1762         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback2_ops);
1763
1764         pcm->private_data = cm;
1765         pcm->private_free = snd_cmipci_pcm_free;
1766         pcm->info_flags = 0;
1767         strcpy(pcm->name, "C-Media PCI 2nd DAC");
1768         cm->pcm2 = pcm;
1769
1770         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1771                                               snd_dma_pci_data(cm->pci), 64*1024, 128*1024);
1772
1773         return 0;
1774 }
1775
1776 static int __devinit snd_cmipci_pcm_spdif_new(cmipci_t *cm, int device)
1777 {
1778         snd_pcm_t *pcm;
1779         int err;
1780
1781         err = snd_pcm_new(cm->card, cm->card->driver, device, 1, 1, &pcm);
1782         if (err < 0)
1783                 return err;
1784
1785         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cmipci_playback_spdif_ops);
1786         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cmipci_capture_spdif_ops);
1787
1788         pcm->private_data = cm;
1789         pcm->private_free = snd_cmipci_pcm_free;
1790         pcm->info_flags = 0;
1791         strcpy(pcm->name, "C-Media PCI IEC958");
1792         cm->pcm_spdif = pcm;
1793
1794         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1795                                               snd_dma_pci_data(cm->pci), 64*1024, 128*1024);
1796
1797         return 0;
1798 }
1799
1800 /*
1801  * mixer interface:
1802  * - CM8338/8738 has a compatible mixer interface with SB16, but
1803  *   lack of some elements like tone control, i/o gain and AGC.
1804  * - Access to native registers:
1805  *   - A 3D switch
1806  *   - Output mute switches
1807  */
1808
1809 static void snd_cmipci_mixer_write(cmipci_t *s, unsigned char idx, unsigned char data)
1810 {
1811         outb(idx, s->iobase + CM_REG_SB16_ADDR);
1812         outb(data, s->iobase + CM_REG_SB16_DATA);
1813 }
1814
1815 static unsigned char snd_cmipci_mixer_read(cmipci_t *s, unsigned char idx)
1816 {
1817         unsigned char v;
1818
1819         outb(idx, s->iobase + CM_REG_SB16_ADDR);
1820         v = inb(s->iobase + CM_REG_SB16_DATA);
1821         return v;
1822 }
1823
1824 /*
1825  * general mixer element
1826  */
1827 typedef struct cmipci_sb_reg {
1828         unsigned int left_reg, right_reg;
1829         unsigned int left_shift, right_shift;
1830         unsigned int mask;
1831         unsigned int invert: 1;
1832         unsigned int stereo: 1;
1833 } cmipci_sb_reg_t;
1834
1835 #define COMPOSE_SB_REG(lreg,rreg,lshift,rshift,mask,invert,stereo) \
1836  ((lreg) | ((rreg) << 8) | (lshift << 16) | (rshift << 19) | (mask << 24) | (invert << 22) | (stereo << 23))
1837
1838 #define CMIPCI_DOUBLE(xname, left_reg, right_reg, left_shift, right_shift, mask, invert, stereo) \
1839 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
1840   .info = snd_cmipci_info_volume, \
1841   .get = snd_cmipci_get_volume, .put = snd_cmipci_put_volume, \
1842   .private_value = COMPOSE_SB_REG(left_reg, right_reg, left_shift, right_shift, mask, invert, stereo), \
1843 }
1844
1845 #define CMIPCI_SB_VOL_STEREO(xname,reg,shift,mask) CMIPCI_DOUBLE(xname, reg, reg+1, shift, shift, mask, 0, 1)
1846 #define CMIPCI_SB_VOL_MONO(xname,reg,shift,mask) CMIPCI_DOUBLE(xname, reg, reg, shift, shift, mask, 0, 0)
1847 #define CMIPCI_SB_SW_STEREO(xname,lshift,rshift) CMIPCI_DOUBLE(xname, SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, lshift, rshift, 1, 0, 1)
1848 #define CMIPCI_SB_SW_MONO(xname,shift) CMIPCI_DOUBLE(xname, SB_DSP4_OUTPUT_SW, SB_DSP4_OUTPUT_SW, shift, shift, 1, 0, 0)
1849
1850 static void cmipci_sb_reg_decode(cmipci_sb_reg_t *r, unsigned long val)
1851 {
1852         r->left_reg = val & 0xff;
1853         r->right_reg = (val >> 8) & 0xff;
1854         r->left_shift = (val >> 16) & 0x07;
1855         r->right_shift = (val >> 19) & 0x07;
1856         r->invert = (val >> 22) & 1;
1857         r->stereo = (val >> 23) & 1;
1858         r->mask = (val >> 24) & 0xff;
1859 }
1860
1861 static int snd_cmipci_info_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
1862 {
1863         cmipci_sb_reg_t reg;
1864
1865         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
1866         uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
1867         uinfo->count = reg.stereo + 1;
1868         uinfo->value.integer.min = 0;
1869         uinfo->value.integer.max = reg.mask;
1870         return 0;
1871 }
1872
1873 static int snd_cmipci_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1874 {
1875         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
1876         cmipci_sb_reg_t reg;
1877         int val;
1878
1879         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
1880         spin_lock_irq(&cm->reg_lock);
1881         val = (snd_cmipci_mixer_read(cm, reg.left_reg) >> reg.left_shift) & reg.mask;
1882         if (reg.invert)
1883                 val = reg.mask - val;
1884         ucontrol->value.integer.value[0] = val;
1885         if (reg.stereo) {
1886                 val = (snd_cmipci_mixer_read(cm, reg.right_reg) >> reg.right_shift) & reg.mask;
1887                 if (reg.invert)
1888                         val = reg.mask - val;
1889                  ucontrol->value.integer.value[1] = val;
1890         }
1891         spin_unlock_irq(&cm->reg_lock);
1892         return 0;
1893 }
1894
1895 static int snd_cmipci_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1896 {
1897         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
1898         cmipci_sb_reg_t reg;
1899         int change;
1900         int left, right, oleft, oright;
1901
1902         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
1903         left = ucontrol->value.integer.value[0] & reg.mask;
1904         if (reg.invert)
1905                 left = reg.mask - left;
1906         left <<= reg.left_shift;
1907         if (reg.stereo) {
1908                 right = ucontrol->value.integer.value[1] & reg.mask;
1909                 if (reg.invert)
1910                         right = reg.mask - right;
1911                 right <<= reg.right_shift;
1912         } else
1913                 right = 0;
1914         spin_lock_irq(&cm->reg_lock);
1915         oleft = snd_cmipci_mixer_read(cm, reg.left_reg);
1916         left |= oleft & ~(reg.mask << reg.left_shift);
1917         change = left != oleft;
1918         if (reg.stereo) {
1919                 if (reg.left_reg != reg.right_reg) {
1920                         snd_cmipci_mixer_write(cm, reg.left_reg, left);
1921                         oright = snd_cmipci_mixer_read(cm, reg.right_reg);
1922                 } else
1923                         oright = left;
1924                 right |= oright & ~(reg.mask << reg.right_shift);
1925                 change |= right != oright;
1926                 snd_cmipci_mixer_write(cm, reg.right_reg, right);
1927         } else
1928                 snd_cmipci_mixer_write(cm, reg.left_reg, left);
1929         spin_unlock_irq(&cm->reg_lock);
1930         return change;
1931 }
1932
1933 /*
1934  * input route (left,right) -> (left,right)
1935  */
1936 #define CMIPCI_SB_INPUT_SW(xname, left_shift, right_shift) \
1937 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
1938   .info = snd_cmipci_info_input_sw, \
1939   .get = snd_cmipci_get_input_sw, .put = snd_cmipci_put_input_sw, \
1940   .private_value = COMPOSE_SB_REG(SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, left_shift, right_shift, 1, 0, 1), \
1941 }
1942
1943 static int snd_cmipci_info_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo)
1944 {
1945         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1946         uinfo->count = 4;
1947         uinfo->value.integer.min = 0;
1948         uinfo->value.integer.max = 1;
1949         return 0;
1950 }
1951
1952 static int snd_cmipci_get_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1953 {
1954         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
1955         cmipci_sb_reg_t reg;
1956         int val1, val2;
1957
1958         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
1959         spin_lock_irq(&cm->reg_lock);
1960         val1 = snd_cmipci_mixer_read(cm, reg.left_reg);
1961         val2 = snd_cmipci_mixer_read(cm, reg.right_reg);
1962         spin_unlock_irq(&cm->reg_lock);
1963         ucontrol->value.integer.value[0] = (val1 >> reg.left_shift) & 1;
1964         ucontrol->value.integer.value[1] = (val2 >> reg.left_shift) & 1;
1965         ucontrol->value.integer.value[2] = (val1 >> reg.right_shift) & 1;
1966         ucontrol->value.integer.value[3] = (val2 >> reg.right_shift) & 1;
1967         return 0;
1968 }
1969
1970 static int snd_cmipci_put_input_sw(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1971 {
1972         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
1973         cmipci_sb_reg_t reg;
1974         int change;
1975         int val1, val2, oval1, oval2;
1976
1977         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
1978         spin_lock_irq(&cm->reg_lock);
1979         oval1 = snd_cmipci_mixer_read(cm, reg.left_reg);
1980         oval2 = snd_cmipci_mixer_read(cm, reg.right_reg);
1981         val1 = oval1 & ~((1 << reg.left_shift) | (1 << reg.right_shift));
1982         val2 = oval2 & ~((1 << reg.left_shift) | (1 << reg.right_shift));
1983         val1 |= (ucontrol->value.integer.value[0] & 1) << reg.left_shift;
1984         val2 |= (ucontrol->value.integer.value[1] & 1) << reg.left_shift;
1985         val1 |= (ucontrol->value.integer.value[2] & 1) << reg.right_shift;
1986         val2 |= (ucontrol->value.integer.value[3] & 1) << reg.right_shift;
1987         change = val1 != oval1 || val2 != oval2;
1988         snd_cmipci_mixer_write(cm, reg.left_reg, val1);
1989         snd_cmipci_mixer_write(cm, reg.right_reg, val2);
1990         spin_unlock_irq(&cm->reg_lock);
1991         return change;
1992 }
1993
1994 /*
1995  * native mixer switches/volumes
1996  */
1997
1998 #define CMIPCI_MIXER_SW_STEREO(xname, reg, lshift, rshift, invert) \
1999 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
2000   .info = snd_cmipci_info_native_mixer, \
2001   .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \
2002   .private_value = COMPOSE_SB_REG(reg, reg, lshift, rshift, 1, invert, 1), \
2003 }
2004
2005 #define CMIPCI_MIXER_SW_MONO(xname, reg, shift, invert) \
2006 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
2007   .info = snd_cmipci_info_native_mixer, \
2008   .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \
2009   .private_value = COMPOSE_SB_REG(reg, reg, shift, shift, 1, invert, 0), \
2010 }
2011
2012 #define CMIPCI_MIXER_VOL_STEREO(xname, reg, lshift, rshift, mask) \
2013 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
2014   .info = snd_cmipci_info_native_mixer, \
2015   .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \
2016   .private_value = COMPOSE_SB_REG(reg, reg, lshift, rshift, mask, 0, 1), \
2017 }
2018
2019 #define CMIPCI_MIXER_VOL_MONO(xname, reg, shift, mask) \
2020 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
2021   .info = snd_cmipci_info_native_mixer, \
2022   .get = snd_cmipci_get_native_mixer, .put = snd_cmipci_put_native_mixer, \
2023   .private_value = COMPOSE_SB_REG(reg, reg, shift, shift, mask, 0, 0), \
2024 }
2025
2026 static int snd_cmipci_info_native_mixer(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
2027 {
2028         cmipci_sb_reg_t reg;
2029
2030         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
2031         uinfo->type = reg.mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
2032         uinfo->count = reg.stereo + 1;
2033         uinfo->value.integer.min = 0;
2034         uinfo->value.integer.max = reg.mask;
2035         return 0;
2036
2037 }
2038
2039 static int snd_cmipci_get_native_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2040 {
2041         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2042         cmipci_sb_reg_t reg;
2043         unsigned char oreg, val;
2044
2045         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
2046         spin_lock_irq(&cm->reg_lock);
2047         oreg = inb(cm->iobase + reg.left_reg);
2048         val = (oreg >> reg.left_shift) & reg.mask;
2049         if (reg.invert)
2050                 val = reg.mask - val;
2051         ucontrol->value.integer.value[0] = val;
2052         if (reg.stereo) {
2053                 val = (oreg >> reg.right_shift) & reg.mask;
2054                 if (reg.invert)
2055                         val = reg.mask - val;
2056                 ucontrol->value.integer.value[1] = val;
2057         }
2058         spin_unlock_irq(&cm->reg_lock);
2059         return 0;
2060 }
2061
2062 static int snd_cmipci_put_native_mixer(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2063 {
2064         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2065         cmipci_sb_reg_t reg;
2066         unsigned char oreg, nreg, val;
2067
2068         cmipci_sb_reg_decode(&reg, kcontrol->private_value);
2069         spin_lock_irq(&cm->reg_lock);
2070         oreg = inb(cm->iobase + reg.left_reg);
2071         val = ucontrol->value.integer.value[0] & reg.mask;
2072         if (reg.invert)
2073                 val = reg.mask - val;
2074         nreg = oreg & ~(reg.mask << reg.left_shift);
2075         nreg |= (val << reg.left_shift);
2076         if (reg.stereo) {
2077                 val = ucontrol->value.integer.value[1] & reg.mask;
2078                 if (reg.invert)
2079                         val = reg.mask - val;
2080                 nreg &= ~(reg.mask << reg.right_shift);
2081                 nreg |= (val << reg.right_shift);
2082         }
2083         outb(nreg, cm->iobase + reg.left_reg);
2084         spin_unlock_irq(&cm->reg_lock);
2085         return (nreg != oreg);
2086 }
2087
2088 /*
2089  * special case - check mixer sensitivity
2090  */
2091 static int snd_cmipci_get_native_mixer_sensitive(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2092 {
2093         //cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2094         return snd_cmipci_get_native_mixer(kcontrol, ucontrol);
2095 }
2096
2097 static int snd_cmipci_put_native_mixer_sensitive(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2098 {
2099         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2100         if (cm->mixer_insensitive) {
2101                 /* ignored */
2102                 return 0;
2103         }
2104         return snd_cmipci_put_native_mixer(kcontrol, ucontrol);
2105 }
2106
2107
2108 static snd_kcontrol_new_t snd_cmipci_mixers[] __devinitdata = {
2109         CMIPCI_SB_VOL_STEREO("Master Playback Volume", SB_DSP4_MASTER_DEV, 3, 31),
2110         CMIPCI_MIXER_SW_MONO("3D Control - Switch", CM_REG_MIXER1, CM_X3DEN_SHIFT, 0),
2111         CMIPCI_SB_VOL_STEREO("PCM Playback Volume", SB_DSP4_PCM_DEV, 3, 31),
2112         //CMIPCI_MIXER_SW_MONO("PCM Playback Switch", CM_REG_MIXER1, CM_WSMUTE_SHIFT, 1),
2113         { /* switch with sensitivity */
2114                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2115                 .name = "PCM Playback Switch",
2116                 .info = snd_cmipci_info_native_mixer,
2117                 .get = snd_cmipci_get_native_mixer_sensitive,
2118                 .put = snd_cmipci_put_native_mixer_sensitive,
2119                 .private_value = COMPOSE_SB_REG(CM_REG_MIXER1, CM_REG_MIXER1, CM_WSMUTE_SHIFT, CM_WSMUTE_SHIFT, 1, 1, 0),
2120         },
2121         CMIPCI_MIXER_SW_STEREO("PCM Capture Switch", CM_REG_MIXER1, CM_WAVEINL_SHIFT, CM_WAVEINR_SHIFT, 0),
2122         CMIPCI_SB_VOL_STEREO("Synth Playback Volume", SB_DSP4_SYNTH_DEV, 3, 31),
2123         CMIPCI_MIXER_SW_MONO("Synth Playback Switch", CM_REG_MIXER1, CM_FMMUTE_SHIFT, 1),
2124         CMIPCI_SB_INPUT_SW("Synth Capture Route", 6, 5),
2125         CMIPCI_SB_VOL_STEREO("CD Playback Volume", SB_DSP4_CD_DEV, 3, 31),
2126         CMIPCI_SB_SW_STEREO("CD Playback Switch", 2, 1),
2127         CMIPCI_SB_INPUT_SW("CD Capture Route", 2, 1),
2128         CMIPCI_SB_VOL_STEREO("Line Playback Volume", SB_DSP4_LINE_DEV, 3, 31),
2129         CMIPCI_SB_SW_STEREO("Line Playback Switch", 4, 3),
2130         CMIPCI_SB_INPUT_SW("Line Capture Route", 4, 3),
2131         CMIPCI_SB_VOL_MONO("Mic Playback Volume", SB_DSP4_MIC_DEV, 3, 31),
2132         CMIPCI_SB_SW_MONO("Mic Playback Switch", 0),
2133         CMIPCI_DOUBLE("Mic Capture Switch", SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT, 0, 0, 1, 0, 0),
2134         CMIPCI_SB_VOL_MONO("PC Speaker Playback Volume", SB_DSP4_SPEAKER_DEV, 6, 3),
2135         CMIPCI_MIXER_VOL_STEREO("Aux Playback Volume", CM_REG_AUX_VOL, 4, 0, 15),
2136         CMIPCI_MIXER_SW_STEREO("Aux Playback Switch", CM_REG_MIXER2, CM_VAUXLM_SHIFT, CM_VAUXRM_SHIFT, 0),
2137         CMIPCI_MIXER_SW_STEREO("Aux Capture Switch", CM_REG_MIXER2, CM_RAUXLEN_SHIFT, CM_RAUXREN_SHIFT, 0),
2138         CMIPCI_MIXER_SW_MONO("Mic Boost", CM_REG_MIXER2, CM_MICGAINZ_SHIFT, 1),
2139         CMIPCI_MIXER_VOL_MONO("Mic Capture Volume", CM_REG_MIXER2, CM_VADMIC_SHIFT, 7),
2140 };
2141
2142 /*
2143  * other switches
2144  */
2145
2146 typedef struct snd_cmipci_switch_args {
2147         int reg;                /* register index */
2148         unsigned int mask;      /* mask bits */
2149         unsigned int mask_on;   /* mask bits to turn on */
2150         unsigned int is_byte: 1;                /* byte access? */
2151         unsigned int ac3_sensitive: 1;  /* access forbidden during non-audio operation? */
2152 } snd_cmipci_switch_args_t;
2153
2154 static int snd_cmipci_uswitch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
2155 {
2156         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2157         uinfo->count = 1;
2158         uinfo->value.integer.min = 0;
2159         uinfo->value.integer.max = 1;
2160         return 0;
2161 }
2162
2163 static int _snd_cmipci_uswitch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol, snd_cmipci_switch_args_t *args)
2164 {
2165         unsigned int val;
2166         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2167
2168         spin_lock_irq(&cm->reg_lock);
2169         if (args->ac3_sensitive && cm->mixer_insensitive) {
2170                 ucontrol->value.integer.value[0] = 0;
2171                 spin_unlock_irq(&cm->reg_lock);
2172                 return 0;
2173         }
2174         if (args->is_byte)
2175                 val = inb(cm->iobase + args->reg);
2176         else
2177                 val = snd_cmipci_read(cm, args->reg);
2178         ucontrol->value.integer.value[0] = ((val & args->mask) == args->mask_on) ? 1 : 0;
2179         spin_unlock_irq(&cm->reg_lock);
2180         return 0;
2181 }
2182
2183 static int snd_cmipci_uswitch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2184 {
2185         snd_cmipci_switch_args_t *args = (snd_cmipci_switch_args_t*)kcontrol->private_value;
2186         snd_assert(args != NULL, return -EINVAL);
2187         return _snd_cmipci_uswitch_get(kcontrol, ucontrol, args);
2188 }
2189
2190 static int _snd_cmipci_uswitch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol, snd_cmipci_switch_args_t *args)
2191 {
2192         unsigned int val;
2193         int change;
2194         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2195
2196         spin_lock_irq(&cm->reg_lock);
2197         if (args->ac3_sensitive && cm->mixer_insensitive) {
2198                 /* ignored */
2199                 spin_unlock_irq(&cm->reg_lock);
2200                 return 0;
2201         }
2202         if (args->is_byte)
2203                 val = inb(cm->iobase + args->reg);
2204         else
2205                 val = snd_cmipci_read(cm, args->reg);
2206         change = (val & args->mask) != (ucontrol->value.integer.value[0] ? args->mask : 0);
2207         if (change) {
2208                 val &= ~args->mask;
2209                 if (ucontrol->value.integer.value[0])
2210                         val |= args->mask_on;
2211                 else
2212                         val |= (args->mask & ~args->mask_on);
2213                 if (args->is_byte)
2214                         outb((unsigned char)val, cm->iobase + args->reg);
2215                 else
2216                         snd_cmipci_write(cm, args->reg, val);
2217         }
2218         spin_unlock_irq(&cm->reg_lock);
2219         return change;
2220 }
2221
2222 static int snd_cmipci_uswitch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2223 {
2224         snd_cmipci_switch_args_t *args = (snd_cmipci_switch_args_t*)kcontrol->private_value;
2225         snd_assert(args != NULL, return -EINVAL);
2226         return _snd_cmipci_uswitch_put(kcontrol, ucontrol, args);
2227 }
2228
2229 #define DEFINE_SWITCH_ARG(sname, xreg, xmask, xmask_on, xis_byte, xac3) \
2230 static snd_cmipci_switch_args_t cmipci_switch_arg_##sname = { \
2231   .reg = xreg, \
2232   .mask = xmask, \
2233   .mask_on = xmask_on, \
2234   .is_byte = xis_byte, \
2235   .ac3_sensitive = xac3, \
2236 }
2237
2238 #define DEFINE_BIT_SWITCH_ARG(sname, xreg, xmask, xis_byte, xac3) \
2239         DEFINE_SWITCH_ARG(sname, xreg, xmask, xmask, xis_byte, xac3)
2240
2241 #if 0 /* these will be controlled in pcm device */
2242 DEFINE_BIT_SWITCH_ARG(spdif_in, CM_REG_FUNCTRL1, CM_SPDF_1, 0, 0);
2243 DEFINE_BIT_SWITCH_ARG(spdif_out, CM_REG_FUNCTRL1, CM_SPDF_0, 0, 0);
2244 #endif
2245 DEFINE_BIT_SWITCH_ARG(spdif_in_sel1, CM_REG_CHFORMAT, CM_SPDIF_SELECT1, 0, 0);
2246 DEFINE_BIT_SWITCH_ARG(spdif_in_sel2, CM_REG_MISC_CTRL, CM_SPDIF_SELECT2, 0, 0);
2247 DEFINE_BIT_SWITCH_ARG(spdif_enable, CM_REG_LEGACY_CTRL, CM_ENSPDOUT, 0, 0);
2248 DEFINE_BIT_SWITCH_ARG(spdo2dac, CM_REG_FUNCTRL1, CM_SPDO2DAC, 0, 1);
2249 DEFINE_BIT_SWITCH_ARG(spdi_valid, CM_REG_MISC, CM_SPDVALID, 1, 0);
2250 DEFINE_BIT_SWITCH_ARG(spdif_copyright, CM_REG_LEGACY_CTRL, CM_SPDCOPYRHT, 0, 0);
2251 DEFINE_BIT_SWITCH_ARG(spdif_dac_out, CM_REG_LEGACY_CTRL, CM_DAC2SPDO, 0, 1);
2252 DEFINE_SWITCH_ARG(spdo_5v, CM_REG_MISC_CTRL, CM_SPDO5V, 0, 0, 0); /* inverse: 0 = 5V */
2253 // DEFINE_BIT_SWITCH_ARG(spdo_48k, CM_REG_MISC_CTRL, CM_SPDF_AC97|CM_SPDIF48K, 0, 1);
2254 DEFINE_BIT_SWITCH_ARG(spdif_loop, CM_REG_FUNCTRL1, CM_SPDFLOOP, 0, 1);
2255 DEFINE_BIT_SWITCH_ARG(spdi_monitor, CM_REG_MIXER1, CM_CDPLAY, 1, 0);
2256 /* DEFINE_BIT_SWITCH_ARG(spdi_phase, CM_REG_CHFORMAT, CM_SPDIF_INVERSE, 0, 0); */
2257 DEFINE_BIT_SWITCH_ARG(spdi_phase, CM_REG_MISC, CM_SPDIF_INVERSE, 1, 0);
2258 DEFINE_BIT_SWITCH_ARG(spdi_phase2, CM_REG_CHFORMAT, CM_SPDIF_INVERSE2, 0, 0);
2259 #if CM_CH_PLAY == 1
2260 DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, 0, 0, 0); /* reversed */
2261 #else
2262 DEFINE_SWITCH_ARG(exchange_dac, CM_REG_MISC_CTRL, CM_XCHGDAC, CM_XCHGDAC, 0, 0);
2263 #endif
2264 DEFINE_BIT_SWITCH_ARG(fourch, CM_REG_MISC_CTRL, CM_N4SPK3D, 0, 0);
2265 // DEFINE_BIT_SWITCH_ARG(line_rear, CM_REG_MIXER1, CM_SPK4, 1, 0);
2266 // DEFINE_BIT_SWITCH_ARG(line_bass, CM_REG_LEGACY_CTRL, CM_LINE_AS_BASS, 0, 0);
2267 // DEFINE_BIT_SWITCH_ARG(joystick, CM_REG_FUNCTRL1, CM_JYSTK_EN, 0, 0); /* now module option */
2268 DEFINE_SWITCH_ARG(modem, CM_REG_MISC_CTRL, CM_FLINKON|CM_FLINKOFF, CM_FLINKON, 0, 0);
2269
2270 #define DEFINE_SWITCH(sname, stype, sarg) \
2271 { .name = sname, \
2272   .iface = stype, \
2273   .info = snd_cmipci_uswitch_info, \
2274   .get = snd_cmipci_uswitch_get, \
2275   .put = snd_cmipci_uswitch_put, \
2276   .private_value = (unsigned long)&cmipci_switch_arg_##sarg,\
2277 }
2278
2279 #define DEFINE_CARD_SWITCH(sname, sarg) DEFINE_SWITCH(sname, SNDRV_CTL_ELEM_IFACE_CARD, sarg)
2280 #define DEFINE_MIXER_SWITCH(sname, sarg) DEFINE_SWITCH(sname, SNDRV_CTL_ELEM_IFACE_MIXER, sarg)
2281
2282
2283 /*
2284  * callbacks for spdif output switch
2285  * needs toggle two registers..
2286  */
2287 static int snd_cmipci_spdout_enable_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2288 {
2289         int changed;
2290         changed = _snd_cmipci_uswitch_get(kcontrol, ucontrol, &cmipci_switch_arg_spdif_enable);
2291         changed |= _snd_cmipci_uswitch_get(kcontrol, ucontrol, &cmipci_switch_arg_spdo2dac);
2292         return changed;
2293 }
2294
2295 static int snd_cmipci_spdout_enable_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
2296 {
2297         cmipci_t *chip = snd_kcontrol_chip(kcontrol);
2298         int changed;
2299         changed = _snd_cmipci_uswitch_put(kcontrol, ucontrol, &cmipci_switch_arg_spdif_enable);
2300         changed |= _snd_cmipci_uswitch_put(kcontrol, ucontrol, &cmipci_switch_arg_spdo2dac);
2301         if (changed) {
2302                 if (ucontrol->value.integer.value[0]) {
2303                         if (chip->spdif_playback_avail)
2304                                 snd_cmipci_set_bit(chip, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF);
2305                 } else {
2306                         if (chip->spdif_playback_avail)
2307                                 snd_cmipci_clear_bit(chip, CM_REG_FUNCTRL1, CM_PLAYBACK_SPDF);
2308                 }
2309         }
2310         chip->spdif_playback_enabled = ucontrol->value.integer.value[0];
2311         return changed;
2312 }
2313
2314
2315 static int snd_cmipci_line_in_mode_info(snd_kcontrol_t *kcontrol,
2316                                         snd_ctl_elem_info_t *uinfo)
2317 {
2318         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2319         static char *texts[3] = { "Line-In", "Rear Output", "Bass Output" };
2320         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2321         uinfo->count = 1;
2322         uinfo->value.enumerated.items = cm->chip_version >= 39 ? 3 : 2;
2323         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2324                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2325         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2326         return 0;
2327 }
2328
2329 static inline unsigned int get_line_in_mode(cmipci_t *cm)
2330 {
2331         unsigned int val;
2332         if (cm->chip_version >= 39) {
2333                 val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL);
2334                 if (val & CM_LINE_AS_BASS)
2335                         return 2;
2336         }
2337         val = snd_cmipci_read_b(cm, CM_REG_MIXER1);
2338         if (val & CM_SPK4)
2339                 return 1;
2340         return 0;
2341 }
2342
2343 static int snd_cmipci_line_in_mode_get(snd_kcontrol_t *kcontrol,
2344                                        snd_ctl_elem_value_t *ucontrol)
2345 {
2346         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2347
2348         spin_lock_irq(&cm->reg_lock);
2349         ucontrol->value.enumerated.item[0] = get_line_in_mode(cm);
2350         spin_unlock_irq(&cm->reg_lock);
2351         return 0;
2352 }
2353
2354 static int snd_cmipci_line_in_mode_put(snd_kcontrol_t *kcontrol,
2355                                        snd_ctl_elem_value_t *ucontrol)
2356 {
2357         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2358         int change;
2359
2360         spin_lock_irq(&cm->reg_lock);
2361         if (ucontrol->value.enumerated.item[0] == 2)
2362                 change = snd_cmipci_set_bit(cm, CM_REG_LEGACY_CTRL, CM_LINE_AS_BASS);
2363         else
2364                 change = snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_LINE_AS_BASS);
2365         if (ucontrol->value.enumerated.item[0] == 1)
2366                 change |= snd_cmipci_set_bit_b(cm, CM_REG_MIXER1, CM_SPK4);
2367         else
2368                 change |= snd_cmipci_clear_bit_b(cm, CM_REG_MIXER1, CM_SPK4);
2369         spin_unlock_irq(&cm->reg_lock);
2370         return change;
2371 }
2372
2373 static int snd_cmipci_mic_in_mode_info(snd_kcontrol_t *kcontrol,
2374                                        snd_ctl_elem_info_t *uinfo)
2375 {
2376         static char *texts[2] = { "Mic-In", "Center/LFE Output" };
2377         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2378         uinfo->count = 1;
2379         uinfo->value.enumerated.items = 2;
2380         if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2381                 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
2382         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
2383         return 0;
2384 }
2385
2386 static int snd_cmipci_mic_in_mode_get(snd_kcontrol_t *kcontrol,
2387                                       snd_ctl_elem_value_t *ucontrol)
2388 {
2389         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2390         /* same bit as spdi_phase */
2391         spin_lock_irq(&cm->reg_lock);
2392         ucontrol->value.enumerated.item[0] =
2393                 (snd_cmipci_read_b(cm, CM_REG_MISC) & CM_SPDIF_INVERSE) ? 1 : 0;
2394         spin_unlock_irq(&cm->reg_lock);
2395         return 0;
2396 }
2397
2398 static int snd_cmipci_mic_in_mode_put(snd_kcontrol_t *kcontrol,
2399                                       snd_ctl_elem_value_t *ucontrol)
2400 {
2401         cmipci_t *cm = snd_kcontrol_chip(kcontrol);
2402         int change;
2403
2404         spin_lock_irq(&cm->reg_lock);
2405         if (ucontrol->value.enumerated.item[0])
2406                 change = snd_cmipci_set_bit_b(cm, CM_REG_MISC, CM_SPDIF_INVERSE);
2407         else
2408                 change = snd_cmipci_clear_bit_b(cm, CM_REG_MISC, CM_SPDIF_INVERSE);
2409         spin_unlock_irq(&cm->reg_lock);
2410         return change;
2411 }
2412
2413 /* both for CM8338/8738 */
2414 static snd_kcontrol_new_t snd_cmipci_mixer_switches[] __devinitdata = {
2415         DEFINE_MIXER_SWITCH("Four Channel Mode", fourch),
2416         {
2417                 .name = "Line-In Mode",
2418                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2419                 .info = snd_cmipci_line_in_mode_info,
2420                 .get = snd_cmipci_line_in_mode_get,
2421                 .put = snd_cmipci_line_in_mode_put,
2422         },
2423 };
2424
2425 /* for non-multichannel chips */
2426 static snd_kcontrol_new_t snd_cmipci_nomulti_switch __devinitdata =
2427 DEFINE_MIXER_SWITCH("Exchange DAC", exchange_dac);
2428
2429 /* only for CM8738 */
2430 static snd_kcontrol_new_t snd_cmipci_8738_mixer_switches[] __devinitdata = {
2431 #if 0 /* controlled in pcm device */
2432         DEFINE_MIXER_SWITCH("IEC958 In Record", spdif_in),
2433         DEFINE_MIXER_SWITCH("IEC958 Out", spdif_out),
2434         DEFINE_MIXER_SWITCH("IEC958 Out To DAC", spdo2dac),
2435 #endif
2436         // DEFINE_MIXER_SWITCH("IEC958 Output Switch", spdif_enable),
2437         { .name = "IEC958 Output Switch",
2438           .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2439           .info = snd_cmipci_uswitch_info,
2440           .get = snd_cmipci_spdout_enable_get,
2441           .put = snd_cmipci_spdout_enable_put,
2442         },
2443         DEFINE_MIXER_SWITCH("IEC958 In Valid", spdi_valid),
2444         DEFINE_MIXER_SWITCH("IEC958 Copyright", spdif_copyright),
2445         DEFINE_MIXER_SWITCH("IEC958 5V", spdo_5v),
2446 //      DEFINE_MIXER_SWITCH("IEC958 In/Out 48KHz", spdo_48k),
2447         DEFINE_MIXER_SWITCH("IEC958 Loop", spdif_loop),
2448         DEFINE_MIXER_SWITCH("IEC958 In Monitor", spdi_monitor),
2449 };
2450
2451 /* only for model 033/037 */
2452 static snd_kcontrol_new_t snd_cmipci_old_mixer_switches[] __devinitdata = {
2453         DEFINE_MIXER_SWITCH("IEC958 Mix Analog", spdif_dac_out),
2454         DEFINE_MIXER_SWITCH("IEC958 In Phase Inverse", spdi_phase),
2455         DEFINE_MIXER_SWITCH("IEC958 In Select", spdif_in_sel1),
2456 };
2457
2458 /* only for model 039 or later */
2459 static snd_kcontrol_new_t snd_cmipci_extra_mixer_switches[] __devinitdata = {
2460         DEFINE_MIXER_SWITCH("IEC958 In Select", spdif_in_sel2),
2461         DEFINE_MIXER_SWITCH("IEC958 In Phase Inverse", spdi_phase2),
2462         {
2463                 .name = "Mic-In Mode",
2464                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2465                 .info = snd_cmipci_mic_in_mode_info,
2466                 .get = snd_cmipci_mic_in_mode_get,
2467                 .put = snd_cmipci_mic_in_mode_put,
2468         }
2469 };
2470
2471 /* card control switches */
2472 static snd_kcontrol_new_t snd_cmipci_control_switches[] __devinitdata = {
2473         // DEFINE_CARD_SWITCH("Joystick", joystick), /* now module option */
2474         DEFINE_CARD_SWITCH("Modem", modem),
2475 };
2476
2477
2478 static int __devinit snd_cmipci_mixer_new(cmipci_t *cm, int pcm_spdif_device)
2479 {
2480         snd_card_t *card;
2481         snd_kcontrol_new_t *sw;
2482         snd_kcontrol_t *kctl;
2483         unsigned int idx;
2484         int err;
2485
2486         snd_assert(cm != NULL && cm->card != NULL, return -EINVAL);
2487
2488         card = cm->card;
2489
2490         strcpy(card->mixername, "CMedia PCI");
2491
2492         spin_lock_irq(&cm->reg_lock);
2493         snd_cmipci_mixer_write(cm, 0x00, 0x00);         /* mixer reset */
2494         spin_unlock_irq(&cm->reg_lock);
2495
2496         for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_mixers); idx++) {
2497                 if (cm->chip_version == 68) {   // 8768 has no PCM volume
2498                         if (!strcmp(snd_cmipci_mixers[idx].name,
2499                                 "PCM Playback Volume"))
2500                                 continue;
2501                 }
2502                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cmipci_mixers[idx], cm))) < 0)
2503                         return err;
2504         }
2505
2506         /* mixer switches */
2507         sw = snd_cmipci_mixer_switches;
2508         for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_mixer_switches); idx++, sw++) {
2509                 err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
2510                 if (err < 0)
2511                         return err;
2512         }
2513         if (! cm->can_multi_ch) {
2514                 err = snd_ctl_add(cm->card, snd_ctl_new1(&snd_cmipci_nomulti_switch, cm));
2515                 if (err < 0)
2516                         return err;
2517         }
2518         if (cm->device == PCI_DEVICE_ID_CMEDIA_CM8738 ||
2519             cm->device == PCI_DEVICE_ID_CMEDIA_CM8738B) {
2520                 sw = snd_cmipci_8738_mixer_switches;
2521                 for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_8738_mixer_switches); idx++, sw++) {
2522                         err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
2523                         if (err < 0)
2524                                 return err;
2525                 }
2526                 if (cm->can_ac3_hw) {
2527                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_default, cm))) < 0)
2528                                 return err;
2529                         kctl->id.device = pcm_spdif_device;
2530                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_mask, cm))) < 0)
2531                                 return err;
2532                         kctl->id.device = pcm_spdif_device;
2533                         if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_cmipci_spdif_stream, cm))) < 0)
2534                                 return err;
2535                         kctl->id.device = pcm_spdif_device;
2536                 }
2537                 if (cm->chip_version <= 37) {
2538                         sw = snd_cmipci_old_mixer_switches;
2539                         for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_old_mixer_switches); idx++, sw++) {
2540                                 err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
2541                                 if (err < 0)
2542                                         return err;
2543                         }
2544                 }
2545         }
2546         if (cm->chip_version >= 39) {
2547                 sw = snd_cmipci_extra_mixer_switches;
2548                 for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_extra_mixer_switches); idx++, sw++) {
2549                         err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
2550                         if (err < 0)
2551                                 return err;
2552                 }
2553         }
2554
2555         /* card switches */
2556         sw = snd_cmipci_control_switches;
2557         for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_control_switches); idx++, sw++) {
2558                 err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
2559                 if (err < 0)
2560                         return err;
2561         }
2562
2563         for (idx = 0; idx < CM_SAVED_MIXERS; idx++) {
2564                 snd_ctl_elem_id_t id;
2565                 snd_kcontrol_t *ctl;
2566                 memset(&id, 0, sizeof(id));
2567                 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2568                 strcpy(id.name, cm_saved_mixer[idx].name);
2569                 if ((ctl = snd_ctl_find_id(cm->card, &id)) != NULL)
2570                         cm->mixer_res_ctl[idx] = ctl;
2571         }
2572
2573         return 0;
2574 }
2575
2576
2577 /*
2578  * proc interface
2579  */
2580
2581 #ifdef CONFIG_PROC_FS
2582 static void snd_cmipci_proc_read(snd_info_entry_t *entry,
2583                                  snd_info_buffer_t *buffer)
2584 {
2585         cmipci_t *cm = entry->private_data;
2586         int i;
2587
2588         snd_iprintf(buffer, "%s\n\n", cm->card->longname);
2589         for (i = 0; i < 0x40; i++) {
2590                 int v = inb(cm->iobase + i);
2591                 if (i % 4 == 0)
2592                         snd_iprintf(buffer, "%02x: ", i);
2593                 snd_iprintf(buffer, "%02x", v);
2594                 if (i % 4 == 3)
2595                         snd_iprintf(buffer, "\n");
2596                 else
2597                         snd_iprintf(buffer, " ");
2598         }
2599 }
2600
2601 static void __devinit snd_cmipci_proc_init(cmipci_t *cm)
2602 {
2603         snd_info_entry_t *entry;
2604
2605         if (! snd_card_proc_new(cm->card, "cmipci", &entry))
2606                 snd_info_set_text_ops(entry, cm, 1024, snd_cmipci_proc_read);
2607 }
2608 #else /* !CONFIG_PROC_FS */
2609 static inline void snd_cmipci_proc_init(cmipci_t *cm) {}
2610 #endif
2611
2612
2613 static struct pci_device_id snd_cmipci_ids[] = {
2614         {PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2615         {PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8338B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2616         {PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2617         {PCI_VENDOR_ID_CMEDIA, PCI_DEVICE_ID_CMEDIA_CM8738B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2618         {PCI_VENDOR_ID_AL, PCI_DEVICE_ID_CMEDIA_CM8738, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2619         {0,},
2620 };
2621
2622
2623 /*
2624  * check chip version and capabilities
2625  * driver name is modified according to the chip model
2626  */
2627 static void __devinit query_chip(cmipci_t *cm)
2628 {
2629         unsigned int detect;
2630
2631         /* check reg 0Ch, bit 24-31 */
2632         detect = snd_cmipci_read(cm, CM_REG_INT_HLDCLR) & CM_CHIP_MASK2;
2633         if (! detect) {
2634                 /* check reg 08h, bit 24-28 */
2635                 detect = snd_cmipci_read(cm, CM_REG_CHFORMAT) & CM_CHIP_MASK1;
2636                 if (! detect) {
2637                         cm->chip_version = 33;
2638                         cm->max_channels = 2;
2639                         if (cm->do_soft_ac3)
2640                                 cm->can_ac3_sw = 1;
2641                         else
2642                                 cm->can_ac3_hw = 1;
2643                         cm->has_dual_dac = 1;
2644                 } else {
2645                         cm->chip_version = 37;
2646                         cm->max_channels = 2;
2647                         cm->can_ac3_hw = 1;
2648                         cm->has_dual_dac = 1;
2649                 }
2650         } else {
2651                 /* check reg 0Ch, bit 26 */
2652                 if (detect & CM_CHIP_8768) {
2653                         cm->chip_version = 68;
2654                         cm->max_channels = 8;
2655                         cm->can_ac3_hw = 1;
2656                         cm->has_dual_dac = 1;
2657                         cm->can_multi_ch = 1;
2658                 } else if (detect & CM_CHIP_055) {
2659                         cm->chip_version = 55;
2660                         cm->max_channels = 6;
2661                         cm->can_ac3_hw = 1;
2662                         cm->has_dual_dac = 1;
2663                         cm->can_multi_ch = 1;
2664                 } else if (detect & CM_CHIP_039) {
2665                         cm->chip_version = 39;
2666                         if (detect & CM_CHIP_039_6CH) /* 4 or 6 channels */
2667                                 cm->max_channels = 6;
2668                         else
2669                                 cm->max_channels = 4;
2670                         cm->can_ac3_hw = 1;
2671                         cm->has_dual_dac = 1;
2672                         cm->can_multi_ch = 1;
2673                 } else {
2674                         printk(KERN_ERR "chip %x version not supported\n", detect);
2675                 }
2676         }
2677 }
2678
2679 #ifdef SUPPORT_JOYSTICK
2680 static int __devinit snd_cmipci_create_gameport(cmipci_t *cm, int dev)
2681 {
2682         static int ports[] = { 0x201, 0x200, 0 }; /* FIXME: majority is 0x201? */
2683         struct gameport *gp;
2684         struct resource *r = NULL;
2685         int i, io_port = 0;
2686
2687         if (joystick_port[dev] == 0)
2688                 return -ENODEV;
2689
2690         if (joystick_port[dev] == 1) { /* auto-detect */
2691                 for (i = 0; ports[i]; i++) {
2692                         io_port = ports[i];
2693                         r = request_region(io_port, 1, "CMIPCI gameport");
2694                         if (r)
2695                                 break;
2696                 }
2697         } else {
2698                 io_port = joystick_port[dev];
2699                 r = request_region(io_port, 1, "CMIPCI gameport");
2700         }
2701
2702         if (!r) {
2703                 printk(KERN_WARNING "cmipci: cannot reserve joystick ports\n");
2704                 return -EBUSY;
2705         }
2706
2707         cm->gameport = gp = gameport_allocate_port();
2708         if (!gp) {
2709                 printk(KERN_ERR "cmipci: cannot allocate memory for gameport\n");
2710                 release_resource(r);
2711                 kfree_nocheck(r);
2712                 return -ENOMEM;
2713         }
2714         gameport_set_name(gp, "C-Media Gameport");
2715         gameport_set_phys(gp, "pci%s/gameport0", pci_name(cm->pci));
2716         gameport_set_dev_parent(gp, &cm->pci->dev);
2717         gp->io = io_port;
2718         gameport_set_port_data(gp, r);
2719
2720         snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN);
2721
2722         gameport_register_port(cm->gameport);
2723
2724         return 0;
2725 }
2726
2727 static void snd_cmipci_free_gameport(cmipci_t *cm)
2728 {
2729         if (cm->gameport) {
2730                 struct resource *r = gameport_get_port_data(cm->gameport);
2731
2732                 gameport_unregister_port(cm->gameport);
2733                 cm->gameport = NULL;
2734
2735                 snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN);
2736                 release_resource(r);
2737                 kfree_nocheck(r);
2738         }
2739 }
2740 #else
2741 static inline int snd_cmipci_create_gameport(cmipci_t *cm, int dev) { return -ENOSYS; }
2742 static inline void snd_cmipci_free_gameport(cmipci_t *cm) { }
2743 #endif
2744
2745 static int snd_cmipci_free(cmipci_t *cm)
2746 {
2747         if (cm->irq >= 0) {
2748                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
2749                 snd_cmipci_clear_bit(cm, CM_REG_LEGACY_CTRL, CM_ENSPDOUT);
2750                 snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0);  /* disable ints */
2751                 snd_cmipci_ch_reset(cm, CM_CH_PLAY);
2752                 snd_cmipci_ch_reset(cm, CM_CH_CAPT);
2753                 snd_cmipci_write(cm, CM_REG_FUNCTRL0, 0); /* disable channels */
2754                 snd_cmipci_write(cm, CM_REG_FUNCTRL1, 0);
2755
2756                 /* reset mixer */
2757                 snd_cmipci_mixer_write(cm, 0, 0);
2758
2759                 synchronize_irq(cm->irq);
2760
2761                 free_irq(cm->irq, (void *)cm);
2762         }
2763
2764         snd_cmipci_free_gameport(cm);
2765         pci_release_regions(cm->pci);
2766         pci_disable_device(cm->pci);
2767         kfree(cm);
2768         return 0;
2769 }
2770
2771 static int snd_cmipci_dev_free(snd_device_t *device)
2772 {
2773         cmipci_t *cm = device->device_data;
2774         return snd_cmipci_free(cm);
2775 }
2776
2777 static int __devinit snd_cmipci_create(snd_card_t *card, struct pci_dev *pci,
2778                                        int dev, cmipci_t **rcmipci)
2779 {
2780         cmipci_t *cm;
2781         int err;
2782         static snd_device_ops_t ops = {
2783                 .dev_free =     snd_cmipci_dev_free,
2784         };
2785         unsigned int val = 0;
2786         long iomidi = mpu_port[dev];
2787         long iosynth = fm_port[dev];
2788         int pcm_index, pcm_spdif_index;
2789         static struct pci_device_id intel_82437vx[] = {
2790                 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437VX) },
2791                 { },
2792         };
2793
2794         *rcmipci = NULL;
2795
2796         if ((err = pci_enable_device(pci)) < 0)
2797                 return err;
2798
2799         cm = kcalloc(1, sizeof(*cm), GFP_KERNEL);
2800         if (cm == NULL) {
2801                 pci_disable_device(pci);
2802                 return -ENOMEM;
2803         }
2804
2805         spin_lock_init(&cm->reg_lock);
2806         init_MUTEX(&cm->open_mutex);
2807         cm->device = pci->device;
2808         cm->card = card;
2809         cm->pci = pci;
2810         cm->irq = -1;
2811         cm->channel[0].ch = 0;
2812         cm->channel[1].ch = 1;
2813         cm->channel[0].is_dac = cm->channel[1].is_dac = 1; /* dual DAC mode */
2814
2815         if ((err = pci_request_regions(pci, card->driver)) < 0) {
2816                 kfree(cm);
2817                 pci_disable_device(pci);
2818                 return err;
2819         }
2820         cm->iobase = pci_resource_start(pci, 0);
2821
2822         if (request_irq(pci->irq, snd_cmipci_interrupt, SA_INTERRUPT|SA_SHIRQ, card->driver, (void *)cm)) {
2823                 snd_printk("unable to grab IRQ %d\n", pci->irq);
2824                 snd_cmipci_free(cm);
2825                 return -EBUSY;
2826         }
2827         cm->irq = pci->irq;
2828
2829         pci_set_master(cm->pci);
2830
2831         /*
2832          * check chip version, max channels and capabilities
2833          */
2834
2835         cm->chip_version = 0;
2836         cm->max_channels = 2;
2837         cm->do_soft_ac3 = soft_ac3[dev];
2838
2839         if (pci->device != PCI_DEVICE_ID_CMEDIA_CM8338A &&
2840             pci->device != PCI_DEVICE_ID_CMEDIA_CM8338B)
2841                 query_chip(cm);
2842         /* added -MCx suffix for chip supporting multi-channels */
2843         if (cm->can_multi_ch)
2844                 sprintf(cm->card->driver + strlen(cm->card->driver),
2845                         "-MC%d", cm->max_channels);
2846         else if (cm->can_ac3_sw)
2847                 strcpy(cm->card->driver + strlen(cm->card->driver), "-SWIEC");
2848
2849         cm->dig_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
2850         cm->dig_pcm_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
2851
2852 #if CM_CH_PLAY == 1
2853         cm->ctrl = CM_CHADC0;   /* default FUNCNTRL0 */
2854 #else
2855         cm->ctrl = CM_CHADC1;   /* default FUNCNTRL0 */
2856 #endif
2857
2858         /* initialize codec registers */
2859         snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0);     /* disable ints */
2860         snd_cmipci_ch_reset(cm, CM_CH_PLAY);
2861         snd_cmipci_ch_reset(cm, CM_CH_CAPT);
2862         snd_cmipci_write(cm, CM_REG_FUNCTRL0, 0);       /* disable channels */
2863         snd_cmipci_write(cm, CM_REG_FUNCTRL1, 0);
2864
2865         snd_cmipci_write(cm, CM_REG_CHFORMAT, 0);
2866         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC|CM_N4SPK3D);
2867 #if CM_CH_PLAY == 1
2868         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC);
2869 #else
2870         snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_XCHGDAC);
2871 #endif
2872         /* Set Bus Master Request */
2873         snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_BREQ);
2874
2875         /* Assume TX and compatible chip set (Autodetection required for VX chip sets) */
2876         switch (pci->device) {
2877         case PCI_DEVICE_ID_CMEDIA_CM8738:
2878         case PCI_DEVICE_ID_CMEDIA_CM8738B:
2879                 if (!pci_dev_present(intel_82437vx))
2880                         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_TXVX);
2881                 break;
2882         default:
2883                 break;
2884         }
2885
2886         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, cm, &ops)) < 0) {
2887                 snd_cmipci_free(cm);
2888                 return err;
2889         }
2890
2891         /* set MPU address */
2892         switch (iomidi) {
2893         case 0x320: val = CM_VMPU_320; break;
2894         case 0x310: val = CM_VMPU_310; break;
2895         case 0x300: val = CM_VMPU_300; break;
2896         case 0x330: val = CM_VMPU_330; break;
2897         default:
2898                 iomidi = 0; break;
2899         }
2900         if (iomidi > 0) {
2901                 snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
2902                 /* enable UART */
2903                 snd_cmipci_set_bit(cm, CM_REG_FUNCTRL1, CM_UART_EN);
2904         }
2905
2906         /* set FM address */
2907         val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK;
2908         switch (iosynth) {
2909         case 0x3E8: val |= CM_FMSEL_3E8; break;
2910         case 0x3E0: val |= CM_FMSEL_3E0; break;
2911         case 0x3C8: val |= CM_FMSEL_3C8; break;
2912         case 0x388: val |= CM_FMSEL_388; break;
2913         default:
2914                 iosynth = 0; break;
2915         }
2916         if (iosynth > 0) {
2917                 snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val);
2918                 /* enable FM */
2919                 snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
2920
2921                 if (snd_opl3_create(card, iosynth, iosynth + 2,
2922                                     OPL3_HW_OPL3, 0, &cm->opl3) < 0) {
2923                         printk(KERN_ERR "cmipci: no OPL device at 0x%lx, skipping...\n", iosynth);
2924                         iosynth = 0;
2925                 } else {
2926                         if ((err = snd_opl3_hwdep_new(cm->opl3, 0, 1, &cm->opl3hwdep)) < 0) {
2927                                 printk(KERN_ERR "cmipci: cannot create OPL3 hwdep\n");
2928                                 return err;
2929                         }
2930                 }
2931         }
2932         if (! iosynth) {
2933                 /* disable FM */
2934                 snd_cmipci_write(cm, CM_REG_LEGACY_CTRL, val & ~CM_FMSEL_MASK);
2935                 snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_FM_EN);
2936         }
2937
2938         /* reset mixer */
2939         snd_cmipci_mixer_write(cm, 0, 0);
2940
2941         snd_cmipci_proc_init(cm);
2942
2943         /* create pcm devices */
2944         pcm_index = pcm_spdif_index = 0;
2945         if ((err = snd_cmipci_pcm_new(cm, pcm_index)) < 0)
2946                 return err;
2947         pcm_index++;
2948         if (cm->has_dual_dac) {
2949                 if ((err = snd_cmipci_pcm2_new(cm, pcm_index)) < 0)
2950                         return err;
2951                 pcm_index++;
2952         }
2953         if (cm->can_ac3_hw || cm->can_ac3_sw) {
2954                 pcm_spdif_index = pcm_index;
2955                 if ((err = snd_cmipci_pcm_spdif_new(cm, pcm_index)) < 0)
2956                         return err;
2957         }
2958
2959         /* create mixer interface & switches */
2960         if ((err = snd_cmipci_mixer_new(cm, pcm_spdif_index)) < 0)
2961                 return err;
2962
2963         if (iomidi > 0) {
2964                 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,
2965                                                iomidi, 0,
2966                                                cm->irq, 0, &cm->rmidi)) < 0) {
2967                         printk(KERN_ERR "cmipci: no UART401 device at 0x%lx\n", iomidi);
2968                 }
2969         }
2970
2971 #ifdef USE_VAR48KRATE
2972         for (val = 0; val < ARRAY_SIZE(rates); val++)
2973                 snd_cmipci_set_pll(cm, rates[val], val);
2974
2975         /*
2976          * (Re-)Enable external switch spdo_48k
2977          */
2978         snd_cmipci_set_bit(cm, CM_REG_MISC_CTRL, CM_SPDIF48K|CM_SPDF_AC97);
2979 #endif /* USE_VAR48KRATE */
2980
2981         if (snd_cmipci_create_gameport(cm, dev) < 0)
2982                 snd_cmipci_clear_bit(cm, CM_REG_FUNCTRL1, CM_JYSTK_EN);
2983
2984         snd_card_set_dev(card, &pci->dev);
2985
2986         *rcmipci = cm;
2987         return 0;
2988 }
2989
2990 /*
2991  */
2992
2993 MODULE_DEVICE_TABLE(pci, snd_cmipci_ids);
2994
2995 static int __devinit snd_cmipci_probe(struct pci_dev *pci,
2996                                       const struct pci_device_id *pci_id)
2997 {
2998         static int dev;
2999         snd_card_t *card;
3000         cmipci_t *cm;
3001         int err;
3002
3003         if (dev >= SNDRV_CARDS)
3004                 return -ENODEV;
3005         if (! enable[dev]) {
3006                 dev++;
3007                 return -ENOENT;
3008         }
3009
3010         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
3011         if (card == NULL)
3012                 return -ENOMEM;
3013
3014         switch (pci->device) {
3015         case PCI_DEVICE_ID_CMEDIA_CM8738:
3016         case PCI_DEVICE_ID_CMEDIA_CM8738B:
3017                 strcpy(card->driver, "CMI8738");
3018                 break;
3019         case PCI_DEVICE_ID_CMEDIA_CM8338A:
3020         case PCI_DEVICE_ID_CMEDIA_CM8338B:
3021                 strcpy(card->driver, "CMI8338");
3022                 break;
3023         default:
3024                 strcpy(card->driver, "CMIPCI");
3025                 break;
3026         }
3027
3028         if ((err = snd_cmipci_create(card, pci, dev, &cm)) < 0) {
3029                 snd_card_free(card);
3030                 return err;
3031         }
3032
3033         sprintf(card->shortname, "C-Media PCI %s", card->driver);
3034         sprintf(card->longname, "%s (model %d) at 0x%lx, irq %i",
3035                 card->shortname,
3036                 cm->chip_version,
3037                 cm->iobase,
3038                 cm->irq);
3039
3040         //snd_printd("%s is detected\n", card->longname);
3041
3042         if ((err = snd_card_register(card)) < 0) {
3043                 snd_card_free(card);
3044                 return err;
3045         }
3046         pci_set_drvdata(pci, card);
3047         dev++;
3048         return 0;
3049
3050 }
3051
3052 static void __devexit snd_cmipci_remove(struct pci_dev *pci)
3053 {
3054         snd_card_free(pci_get_drvdata(pci));
3055         pci_set_drvdata(pci, NULL);
3056 }
3057
3058
3059 static struct pci_driver driver = {
3060         .name = "C-Media PCI",
3061         .id_table = snd_cmipci_ids,
3062         .probe = snd_cmipci_probe,
3063         .remove = __devexit_p(snd_cmipci_remove),
3064 };
3065
3066 static int __init alsa_card_cmipci_init(void)
3067 {
3068         return pci_register_driver(&driver);
3069 }
3070
3071 static void __exit alsa_card_cmipci_exit(void)
3072 {
3073         pci_unregister_driver(&driver);
3074 }
3075
3076 module_init(alsa_card_cmipci_init)
3077 module_exit(alsa_card_cmipci_exit)