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