sound/pci/via82xx.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   ALSA driver for VIA VT82xx (South Bridge)
   4  *
   5  *   VT82C686A/B/C, VT8233A/C, VT8235
   6  *
   7  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   8  *                         Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com>
   9  *                    2002 Takashi Iwai <tiwai@suse.de>
  10  */
  11
  12 /*
  13  * Changes:
  14  *
  15  * Dec. 19, 2002        Takashi Iwai <tiwai@suse.de>
  16  *      - use the DSX channels for the first pcm playback.
  17  *        (on VIA8233, 8233C and 8235 only)
  18  *        this will allow you play simultaneously up to 4 streams.
  19  *        multi-channel playback is assigned to the second device
  20  *        on these chips.
  21  *      - support the secondary capture (on VIA8233/C,8235)
  22  *      - SPDIF support
  23  *        the DSX3 channel can be used for SPDIF output.
  24  *        on VIA8233A, this channel is assigned to the second pcm
  25  *        playback.
  26  *        the card config of alsa-lib will assign the correct
  27  *        device for applications.
  28  *      - clean up the code, separate low-level initialization
  29  *        routines for each chipset.
  30  *
  31  * Sep. 26, 2005        Karsten Wiese <annabellesgarden@yahoo.de>
  32  *      - Optimize position calculation for the 823x chips.
  33  */
  34
  35 #include <linux/io.h>
  36 #include <linux/delay.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/init.h>
  39 #include <linux/pci.h>
  40 #include <linux/slab.h>
  41 #include <linux/gameport.h>
  42 #include <linux/module.h>
  43 #include <sound/core.h>
  44 #include <sound/pcm.h>
  45 #include <sound/pcm_params.h>
  46 #include <sound/info.h>
  47 #include <sound/tlv.h>
  48 #include <sound/ac97_codec.h>
  49 #include <sound/mpu401.h>
  50 #include <sound/initval.h>
  51
  52 #if 0
  53 #define POINTER_DEBUG
  54 #endif
  55
  56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  57 MODULE_DESCRIPTION("VIA VT82xx audio");
  58 MODULE_LICENSE("GPL");
  59 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}");
  60
  61 #if IS_REACHABLE(CONFIG_GAMEPORT)
  62 #define SUPPORT_JOYSTICK 1
  63 #endif
  64
  65 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  66 static char *id = SNDRV_DEFAULT_STR1;   /* ID for this card */
  67 static long mpu_port;
  68 #ifdef SUPPORT_JOYSTICK
  69 static bool joystick;
  70 #endif
  71 static int ac97_clock = 48000;
  72 static char *ac97_quirk;
  73 static int dxs_support;
  74 static int dxs_init_volume = 31;
  75 static int nodelay;
  76
  77 module_param(index, int, 0444);
  78 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge.");
  79 module_param(id, charp, 0444);
  80 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge.");
  81 module_param_hw(mpu_port, long, ioport, 0444);
  82 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)");
  83 #ifdef SUPPORT_JOYSTICK
  84 module_param(joystick, bool, 0444);
  85 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)");
  86 #endif
  87 module_param(ac97_clock, int, 0444);
  88 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz).");
  89 module_param(ac97_quirk, charp, 0444);
  90 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  91 module_param(dxs_support, int, 0444);
  92 MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA, 5 = enable any sample rate)");
  93 module_param(dxs_init_volume, int, 0644);
  94 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)");
  95 module_param(nodelay, int, 0444);
  96 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay");
  97
  98 /* just for backward compatibility */
  99 static bool enable;
 100 module_param(enable, bool, 0444);
 101
 102
 103 /* revision numbers for via686 */
 104 #define VIA_REV_686_A           0x10
 105 #define VIA_REV_686_B           0x11
 106 #define VIA_REV_686_C           0x12
 107 #define VIA_REV_686_D           0x13
 108 #define VIA_REV_686_E           0x14
 109 #define VIA_REV_686_H           0x20
 110
 111 /* revision numbers for via8233 */
 112 #define VIA_REV_PRE_8233        0x10    /* not in market */
 113 #define VIA_REV_8233C           0x20    /* 2 rec, 4 pb, 1 multi-pb */
 114 #define VIA_REV_8233            0x30    /* 2 rec, 4 pb, 1 multi-pb, spdif */
 115 #define VIA_REV_8233A           0x40    /* 1 rec, 1 multi-pb, spdf */
 116 #define VIA_REV_8235            0x50    /* 2 rec, 4 pb, 1 multi-pb, spdif */
 117 #define VIA_REV_8237            0x60
 118 #define VIA_REV_8251            0x70
 119
 120 /*
 121  *  Direct registers
 122  */
 123
 124 #define VIAREG(via, x) ((via)->port + VIA_REG_##x)
 125 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x)
 126
 127 /* common offsets */
 128 #define VIA_REG_OFFSET_STATUS           0x00    /* byte - channel status */
 129 #define   VIA_REG_STAT_ACTIVE           0x80    /* RO */
 130 #define   VIA8233_SHADOW_STAT_ACTIVE    0x08    /* RO */
 131 #define   VIA_REG_STAT_PAUSED           0x40    /* RO */
 132 #define   VIA_REG_STAT_TRIGGER_QUEUED   0x08    /* RO */
 133 #define   VIA_REG_STAT_STOPPED          0x04    /* RWC */
 134 #define   VIA_REG_STAT_EOL              0x02    /* RWC */
 135 #define   VIA_REG_STAT_FLAG             0x01    /* RWC */
 136 #define VIA_REG_OFFSET_CONTROL          0x01    /* byte - channel control */
 137 #define   VIA_REG_CTRL_START            0x80    /* WO */
 138 #define   VIA_REG_CTRL_TERMINATE        0x40    /* WO */
 139 #define   VIA_REG_CTRL_AUTOSTART        0x20
 140 #define   VIA_REG_CTRL_PAUSE            0x08    /* RW */
 141 #define   VIA_REG_CTRL_INT_STOP         0x04
 142 #define   VIA_REG_CTRL_INT_EOL          0x02
 143 #define   VIA_REG_CTRL_INT_FLAG         0x01
 144 #define   VIA_REG_CTRL_RESET            0x01    /* RW - probably reset? undocumented */
 145 #define   VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART)
 146 #define VIA_REG_OFFSET_TYPE             0x02    /* byte - channel type (686 only) */
 147 #define   VIA_REG_TYPE_AUTOSTART        0x80    /* RW - autostart at EOL */
 148 #define   VIA_REG_TYPE_16BIT            0x20    /* RW */
 149 #define   VIA_REG_TYPE_STEREO           0x10    /* RW */
 150 #define   VIA_REG_TYPE_INT_LLINE        0x00
 151 #define   VIA_REG_TYPE_INT_LSAMPLE      0x04
 152 #define   VIA_REG_TYPE_INT_LESSONE      0x08
 153 #define   VIA_REG_TYPE_INT_MASK         0x0c
 154 #define   VIA_REG_TYPE_INT_EOL          0x02
 155 #define   VIA_REG_TYPE_INT_FLAG         0x01
 156 #define VIA_REG_OFFSET_TABLE_PTR        0x04    /* dword - channel table pointer */
 157 #define VIA_REG_OFFSET_CURR_PTR         0x04    /* dword - channel current pointer */
 158 #define VIA_REG_OFFSET_STOP_IDX         0x08    /* dword - stop index, channel type, sample rate */
 159 #define   VIA8233_REG_TYPE_16BIT        0x00200000      /* RW */
 160 #define   VIA8233_REG_TYPE_STEREO       0x00100000      /* RW */
 161 #define VIA_REG_OFFSET_CURR_COUNT       0x0c    /* dword - channel current count (24 bit) */
 162 #define VIA_REG_OFFSET_CURR_INDEX       0x0f    /* byte - channel current index (for via8233 only) */
 163
 164 #define DEFINE_VIA_REGSET(name,val) \
 165 enum {\
 166         VIA_REG_##name##_STATUS         = (val),\
 167         VIA_REG_##name##_CONTROL        = (val) + 0x01,\
 168         VIA_REG_##name##_TYPE           = (val) + 0x02,\
 169         VIA_REG_##name##_TABLE_PTR      = (val) + 0x04,\
 170         VIA_REG_##name##_CURR_PTR       = (val) + 0x04,\
 171         VIA_REG_##name##_STOP_IDX       = (val) + 0x08,\
 172         VIA_REG_##name##_CURR_COUNT     = (val) + 0x0c,\
 173 }
 174
 175 /* playback block */
 176 DEFINE_VIA_REGSET(PLAYBACK, 0x00);
 177 DEFINE_VIA_REGSET(CAPTURE, 0x10);
 178 DEFINE_VIA_REGSET(FM, 0x20);
 179
 180 /* AC'97 */
 181 #define VIA_REG_AC97                    0x80    /* dword */
 182 #define   VIA_REG_AC97_CODEC_ID_MASK    (3<<30)
 183 #define   VIA_REG_AC97_CODEC_ID_SHIFT   30
 184 #define   VIA_REG_AC97_CODEC_ID_PRIMARY 0x00
 185 #define   VIA_REG_AC97_CODEC_ID_SECONDARY 0x01
 186 #define   VIA_REG_AC97_SECONDARY_VALID  (1<<27)
 187 #define   VIA_REG_AC97_PRIMARY_VALID    (1<<25)
 188 #define   VIA_REG_AC97_BUSY             (1<<24)
 189 #define   VIA_REG_AC97_READ             (1<<23)
 190 #define   VIA_REG_AC97_CMD_SHIFT        16
 191 #define   VIA_REG_AC97_CMD_MASK         0x7e
 192 #define   VIA_REG_AC97_DATA_SHIFT       0
 193 #define   VIA_REG_AC97_DATA_MASK        0xffff
 194
 195 #define VIA_REG_SGD_SHADOW              0x84    /* dword */
 196 /* via686 */
 197 #define   VIA_REG_SGD_STAT_PB_FLAG      (1<<0)
 198 #define   VIA_REG_SGD_STAT_CP_FLAG      (1<<1)
 199 #define   VIA_REG_SGD_STAT_FM_FLAG      (1<<2)
 200 #define   VIA_REG_SGD_STAT_PB_EOL       (1<<4)
 201 #define   VIA_REG_SGD_STAT_CP_EOL       (1<<5)
 202 #define   VIA_REG_SGD_STAT_FM_EOL       (1<<6)
 203 #define   VIA_REG_SGD_STAT_PB_STOP      (1<<8)
 204 #define   VIA_REG_SGD_STAT_CP_STOP      (1<<9)
 205 #define   VIA_REG_SGD_STAT_FM_STOP      (1<<10)
 206 #define   VIA_REG_SGD_STAT_PB_ACTIVE    (1<<12)
 207 #define   VIA_REG_SGD_STAT_CP_ACTIVE    (1<<13)
 208 #define   VIA_REG_SGD_STAT_FM_ACTIVE    (1<<14)
 209 /* via8233 */
 210 #define   VIA8233_REG_SGD_STAT_FLAG     (1<<0)
 211 #define   VIA8233_REG_SGD_STAT_EOL      (1<<1)
 212 #define   VIA8233_REG_SGD_STAT_STOP     (1<<2)
 213 #define   VIA8233_REG_SGD_STAT_ACTIVE   (1<<3)
 214 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4))
 215 #define   VIA8233_REG_SGD_CHAN_SDX      0
 216 #define   VIA8233_REG_SGD_CHAN_MULTI    4
 217 #define   VIA8233_REG_SGD_CHAN_REC      6
 218 #define   VIA8233_REG_SGD_CHAN_REC1     7
 219
 220 #define VIA_REG_GPI_STATUS              0x88
 221 #define VIA_REG_GPI_INTR                0x8c
 222
 223 /* multi-channel and capture registers for via8233 */
 224 DEFINE_VIA_REGSET(MULTPLAY, 0x40);
 225 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60);
 226
 227 /* via8233-specific registers */
 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_L   0x02    /* byte */
 229 #define VIA_REG_OFS_PLAYBACK_VOLUME_R   0x03    /* byte */
 230 #define VIA_REG_OFS_MULTPLAY_FORMAT     0x02    /* byte - format and channels */
 231 #define   VIA_REG_MULTPLAY_FMT_8BIT     0x00
 232 #define   VIA_REG_MULTPLAY_FMT_16BIT    0x80
 233 #define   VIA_REG_MULTPLAY_FMT_CH_MASK  0x70    /* # channels << 4 (valid = 1,2,4,6) */
 234 #define VIA_REG_OFS_CAPTURE_FIFO        0x02    /* byte - bit 6 = fifo  enable */
 235 #define   VIA_REG_CAPTURE_FIFO_ENABLE   0x40
 236
 237 #define VIA_DXS_MAX_VOLUME              31      /* max. volume (attenuation) of reg 0x32/33 */
 238
 239 #define VIA_REG_CAPTURE_CHANNEL         0x63    /* byte - input select */
 240 #define   VIA_REG_CAPTURE_CHANNEL_MIC   0x4
 241 #define   VIA_REG_CAPTURE_CHANNEL_LINE  0
 242 #define   VIA_REG_CAPTURE_SELECT_CODEC  0x03    /* recording source codec (0 = primary) */
 243
 244 #define VIA_TBL_BIT_FLAG        0x40000000
 245 #define VIA_TBL_BIT_EOL         0x80000000
 246
 247 /* pci space */
 248 #define VIA_ACLINK_STAT         0x40
 249 #define  VIA_ACLINK_C11_READY   0x20
 250 #define  VIA_ACLINK_C10_READY   0x10
 251 #define  VIA_ACLINK_C01_READY   0x04 /* secondary codec ready */
 252 #define  VIA_ACLINK_LOWPOWER    0x02 /* low-power state */
 253 #define  VIA_ACLINK_C00_READY   0x01 /* primary codec ready */
 254 #define VIA_ACLINK_CTRL         0x41
 255 #define  VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */
 256 #define  VIA_ACLINK_CTRL_RESET  0x40 /* 0: assert, 1: de-assert */
 257 #define  VIA_ACLINK_CTRL_SYNC   0x20 /* 0: release SYNC, 1: force SYNC hi */
 258 #define  VIA_ACLINK_CTRL_SDO    0x10 /* 0: release SDO, 1: force SDO hi */
 259 #define  VIA_ACLINK_CTRL_VRA    0x08 /* 0: disable VRA, 1: enable VRA */
 260 #define  VIA_ACLINK_CTRL_PCM    0x04 /* 0: disable PCM, 1: enable PCM */
 261 #define  VIA_ACLINK_CTRL_FM     0x02 /* via686 only */
 262 #define  VIA_ACLINK_CTRL_SB     0x01 /* via686 only */
 263 #define  VIA_ACLINK_CTRL_INIT   (VIA_ACLINK_CTRL_ENABLE|\
 264                                  VIA_ACLINK_CTRL_RESET|\
 265                                  VIA_ACLINK_CTRL_PCM|\
 266                                  VIA_ACLINK_CTRL_VRA)
 267 #define VIA_FUNC_ENABLE         0x42
 268 #define  VIA_FUNC_MIDI_PNP      0x80 /* FIXME: it's 0x40 in the datasheet! */
 269 #define  VIA_FUNC_MIDI_IRQMASK  0x40 /* FIXME: not documented! */
 270 #define  VIA_FUNC_RX2C_WRITE    0x20
 271 #define  VIA_FUNC_SB_FIFO_EMPTY 0x10
 272 #define  VIA_FUNC_ENABLE_GAME   0x08
 273 #define  VIA_FUNC_ENABLE_FM     0x04
 274 #define  VIA_FUNC_ENABLE_MIDI   0x02
 275 #define  VIA_FUNC_ENABLE_SB     0x01
 276 #define VIA_PNP_CONTROL         0x43
 277 #define VIA_FM_NMI_CTRL         0x48
 278 #define VIA8233_VOLCHG_CTRL     0x48
 279 #define VIA8233_SPDIF_CTRL      0x49
 280 #define  VIA8233_SPDIF_DX3      0x08
 281 #define  VIA8233_SPDIF_SLOT_MASK        0x03
 282 #define  VIA8233_SPDIF_SLOT_1011        0x00
 283 #define  VIA8233_SPDIF_SLOT_34          0x01
 284 #define  VIA8233_SPDIF_SLOT_78          0x02
 285 #define  VIA8233_SPDIF_SLOT_69          0x03
 286
 287 /*
 288  */
 289
 290 #define VIA_DXS_AUTO    0
 291 #define VIA_DXS_ENABLE  1
 292 #define VIA_DXS_DISABLE 2
 293 #define VIA_DXS_48K     3
 294 #define VIA_DXS_NO_VRA  4
 295 #define VIA_DXS_SRC     5
 296
 297
 298 /*
 299  * pcm stream
 300  */
 301
 302 struct snd_via_sg_table {
 303         unsigned int offset;
 304         unsigned int size;
 305 } ;
 306
 307 #define VIA_TABLE_SIZE  255
 308 #define VIA_MAX_BUFSIZE (1<<24)
 309
 310 struct viadev {
 311         unsigned int reg_offset;
 312         unsigned long port;
 313         int direction;  /* playback = 0, capture = 1 */
 314         struct snd_pcm_substream *substream;
 315         int running;
 316         unsigned int tbl_entries; /* # descriptors */
 317         struct snd_dma_buffer table;
 318         struct snd_via_sg_table *idx_table;
 319         /* for recovery from the unexpected pointer */
 320         unsigned int lastpos;
 321         unsigned int fragsize;
 322         unsigned int bufsize;
 323         unsigned int bufsize2;
 324         int hwptr_done;         /* processed frame position in the buffer */
 325         int in_interrupt;
 326         int shadow_shift;
 327 };
 328
 329
 330 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 };
 331 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A };
 332
 333 #define VIA_MAX_DEVS    7       /* 4 playback, 1 multi, 2 capture */
 334
 335 struct via_rate_lock {
 336         spinlock_t lock;
 337         int rate;
 338         int used;
 339 };
 340
 341 struct via82xx {
 342         int irq;
 343
 344         unsigned long port;
 345         struct resource *mpu_res;
 346         int chip_type;
 347         unsigned char revision;
 348
 349         unsigned char old_legacy;
 350         unsigned char old_legacy_cfg;
 351 #ifdef CONFIG_PM_SLEEP
 352         unsigned char legacy_saved;
 353         unsigned char legacy_cfg_saved;
 354         unsigned char spdif_ctrl_saved;
 355         unsigned char capture_src_saved[2];
 356         unsigned int mpu_port_saved;
 357 #endif
 358
 359         unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */
 360         unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */
 361
 362         unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */
 363
 364         struct pci_dev *pci;
 365         struct snd_card *card;
 366
 367         unsigned int num_devs;
 368         unsigned int playback_devno, multi_devno, capture_devno;
 369         struct viadev devs[VIA_MAX_DEVS];
 370         struct via_rate_lock rates[2]; /* playback and capture */
 371         unsigned int dxs_fixed: 1;      /* DXS channel accepts only 48kHz */
 372         unsigned int no_vra: 1;         /* no need to set VRA on DXS channels */
 373         unsigned int dxs_src: 1;        /* use full SRC capabilities of DXS */
 374         unsigned int spdif_on: 1;       /* only spdif rates work to external DACs */
 375
 376         struct snd_pcm *pcms[2];
 377         struct snd_rawmidi *rmidi;
 378         struct snd_kcontrol *dxs_controls[4];
 379
 380         struct snd_ac97_bus *ac97_bus;
 381         struct snd_ac97 *ac97;
 382         unsigned int ac97_clock;
 383         unsigned int ac97_secondary;    /* secondary AC'97 codec is present */
 384
 385         spinlock_t reg_lock;
 386         struct snd_info_entry *proc_entry;
 387
 388 #ifdef SUPPORT_JOYSTICK
 389         struct gameport *gameport;
 390 #endif
 391 };
 392
 393 static const struct pci_device_id snd_via82xx_ids[] = {
 394         /* 0x1106, 0x3058 */
 395         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, },    /* 686A */
 396         /* 0x1106, 0x3059 */
 397         { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, },     /* VT8233 */
 398         { 0, }
 399 };
 400
 401 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids);
 402
 403 /*
 404  */
 405
 406 /*
 407  * allocate and initialize the descriptor buffers
 408  * periods = number of periods
 409  * fragsize = period size in bytes
 410  */
 411 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream,
 412                            struct pci_dev *pci,
 413                            unsigned int periods, unsigned int fragsize)
 414 {
 415         unsigned int i, idx, ofs, rest;
 416         struct via82xx *chip = snd_pcm_substream_chip(substream);
 417         __le32 *pgtbl;
 418
 419         if (dev->table.area == NULL) {
 420                 /* the start of each lists must be aligned to 8 bytes,
 421                  * but the kernel pages are much bigger, so we don't care
 422                  */
 423                 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
 424                                         PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8),
 425                                         &dev->table) < 0)
 426                         return -ENOMEM;
 427         }
 428         if (! dev->idx_table) {
 429                 dev->idx_table = kmalloc_array(VIA_TABLE_SIZE,
 430                                                sizeof(*dev->idx_table),
 431                                                GFP_KERNEL);
 432                 if (! dev->idx_table)
 433                         return -ENOMEM;
 434         }
 435
 436         /* fill the entries */
 437         idx = 0;
 438         ofs = 0;
 439         pgtbl = (__le32 *)dev->table.area;
 440         for (i = 0; i < periods; i++) {
 441                 rest = fragsize;
 442                 /* fill descriptors for a period.
 443                  * a period can be split to several descriptors if it's
 444                  * over page boundary.
 445                  */
 446                 do {
 447                         unsigned int r;
 448                         unsigned int flag;
 449                         unsigned int addr;
 450
 451                         if (idx >= VIA_TABLE_SIZE) {
 452                                 dev_err(&pci->dev, "too much table size!\n");
 453                                 return -EINVAL;
 454                         }
 455                         addr = snd_pcm_sgbuf_get_addr(substream, ofs);
 456                         pgtbl[idx << 1] = cpu_to_le32(addr);
 457                         r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest);
 458                         rest -= r;
 459                         if (! rest) {
 460                                 if (i == periods - 1)
 461                                         flag = VIA_TBL_BIT_EOL; /* buffer boundary */
 462                                 else
 463                                         flag = VIA_TBL_BIT_FLAG; /* period boundary */
 464                         } else
 465                                 flag = 0; /* period continues to the next */
 466                         /*
 467                         dev_dbg(&pci->dev,
 468                                 "tbl %d: at %d  size %d (rest %d)\n",
 469                                 idx, ofs, r, rest);
 470                         */
 471                         pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag);
 472                         dev->idx_table[idx].offset = ofs;
 473                         dev->idx_table[idx].size = r;
 474                         ofs += r;
 475                         idx++;
 476                 } while (rest > 0);
 477         }
 478         dev->tbl_entries = idx;
 479         dev->bufsize = periods * fragsize;
 480         dev->bufsize2 = dev->bufsize / 2;
 481         dev->fragsize = fragsize;
 482         return 0;
 483 }
 484
 485
 486 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream,
 487                            struct pci_dev *pci)
 488 {
 489         if (dev->table.area) {
 490                 snd_dma_free_pages(&dev->table);
 491                 dev->table.area = NULL;
 492         }
 493         kfree(dev->idx_table);
 494         dev->idx_table = NULL;
 495         return 0;
 496 }
 497
 498 /*
 499  *  Basic I/O
 500  */
 501
 502 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip)
 503 {
 504         return inl(VIAREG(chip, AC97));
 505 }
 506
 507 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val)
 508 {
 509         outl(val, VIAREG(chip, AC97));
 510 }
 511
 512 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary)
 513 {
 514         unsigned int timeout = 1000;    /* 1ms */
 515         unsigned int val;
 516
 517         while (timeout-- > 0) {
 518                 udelay(1);
 519                 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY))
 520                         return val & 0xffff;
 521         }
 522         dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n",
 523                    secondary, snd_via82xx_codec_xread(chip));
 524         return -EIO;
 525 }
 526
 527 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary)
 528 {
 529         unsigned int timeout = 1000;    /* 1ms */
 530         unsigned int val, val1;
 531         unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID :
 532                                          VIA_REG_AC97_SECONDARY_VALID;
 533
 534         while (timeout-- > 0) {
 535                 val = snd_via82xx_codec_xread(chip);
 536                 val1 = val & (VIA_REG_AC97_BUSY | stat);
 537                 if (val1 == stat)
 538                         return val & 0xffff;
 539                 udelay(1);
 540         }
 541         return -EIO;
 542 }
 543
 544 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97)
 545 {
 546         struct via82xx *chip = ac97->private_data;
 547         int err;
 548         err = snd_via82xx_codec_ready(chip, ac97->num);
 549         /* here we need to wait fairly for long time.. */
 550         if (!nodelay)
 551                 msleep(500);
 552 }
 553
 554 static void snd_via82xx_codec_write(struct snd_ac97 *ac97,
 555                                     unsigned short reg,
 556                                     unsigned short val)
 557 {
 558         struct via82xx *chip = ac97->private_data;
 559         unsigned int xval;
 560
 561         xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY;
 562         xval <<= VIA_REG_AC97_CODEC_ID_SHIFT;
 563         xval |= reg << VIA_REG_AC97_CMD_SHIFT;
 564         xval |= val << VIA_REG_AC97_DATA_SHIFT;
 565         snd_via82xx_codec_xwrite(chip, xval);
 566         snd_via82xx_codec_ready(chip, ac97->num);
 567 }
 568
 569 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 570 {
 571         struct via82xx *chip = ac97->private_data;
 572         unsigned int xval, val = 0xffff;
 573         int again = 0;
 574
 575         xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT;
 576         xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID;
 577         xval |= VIA_REG_AC97_READ;
 578         xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT;
 579         while (1) {
 580                 if (again++ > 3) {
 581                         dev_err(chip->card->dev,
 582                                 "codec_read: codec %i is not valid [0x%x]\n",
 583                                    ac97->num, snd_via82xx_codec_xread(chip));
 584                         return 0xffff;
 585                 }
 586                 snd_via82xx_codec_xwrite(chip, xval);
 587                 udelay (20);
 588                 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) {
 589                         udelay(25);
 590                         val = snd_via82xx_codec_xread(chip);
 591                         break;
 592                 }
 593         }
 594         return val & 0xffff;
 595 }
 596
 597 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev)
 598 {
 599         outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET,
 600              VIADEV_REG(viadev, OFFSET_CONTROL));
 601         inb(VIADEV_REG(viadev, OFFSET_CONTROL));
 602         udelay(50);
 603         /* disable interrupts */
 604         outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL));
 605         /* clear interrupts */
 606         outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS));
 607         outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */
 608         // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR));
 609         viadev->lastpos = 0;
 610         viadev->hwptr_done = 0;
 611 }
 612
 613
 614 /*
 615  *  Interrupt handler
 616  *  Used for 686 and 8233A
 617  */
 618 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id)
 619 {
 620         struct via82xx *chip = dev_id;
 621         unsigned int status;
 622         unsigned int i;
 623
 624         status = inl(VIAREG(chip, SGD_SHADOW));
 625         if (! (status & chip->intr_mask)) {
 626                 if (chip->rmidi)
 627                         /* check mpu401 interrupt */
 628                         return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data);
 629                 return IRQ_NONE;
 630         }
 631
 632         /* check status for each stream */
 633         spin_lock(&chip->reg_lock);
 634         for (i = 0; i < chip->num_devs; i++) {
 635                 struct viadev *viadev = &chip->devs[i];
 636                 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS));
 637                 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED)))
 638                         continue;
 639                 if (viadev->substream && viadev->running) {
 640                         /*
 641                          * Update hwptr_done based on 'period elapsed'
 642                          * interrupts. We'll use it, when the chip returns 0
 643                          * for OFFSET_CURR_COUNT.
 644                          */
 645                         if (c_status & VIA_REG_STAT_EOL)
 646                                 viadev->hwptr_done = 0;
 647                         else
 648                                 viadev->hwptr_done += viadev->fragsize;
 649                         viadev->in_interrupt = c_status;
 650                         spin_unlock(&chip->reg_lock);
 651                         snd_pcm_period_elapsed(viadev->substream);
 652                         spin_lock(&chip->reg_lock);
 653                         viadev->in_interrupt = 0;
 654                 }
 655                 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */
 656         }
 657         spin_unlock(&chip->reg_lock);
 658         return IRQ_HANDLED;
 659 }
 660
 661 /*
 662  *  Interrupt handler
 663  */
 664 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id)
 665 {
 666         struct via82xx *chip = dev_id;
 667         unsigned int status;
 668         unsigned int i;
 669         int irqreturn = 0;
 670
 671         /* check status for each stream */
 672         spin_lock(&chip->reg_lock);
 673         status = inl(VIAREG(chip, SGD_SHADOW));
 674
 675         for (i = 0; i < chip->num_devs; i++) {
 676                 struct viadev *viadev = &chip->devs[i];
 677                 struct snd_pcm_substream *substream;
 678                 unsigned char c_status, shadow_status;
 679
 680                 shadow_status = (status >> viadev->shadow_shift) &
 681                         (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL|
 682                          VIA_REG_STAT_FLAG);
 683                 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG);
 684                 if (!c_status)
 685                         continue;
 686
 687                 substream = viadev->substream;
 688                 if (substream && viadev->running) {
 689                         /*
 690                          * Update hwptr_done based on 'period elapsed'
 691                          * interrupts. We'll use it, when the chip returns 0
 692                          * for OFFSET_CURR_COUNT.
 693                          */
 694                         if (c_status & VIA_REG_STAT_EOL)
 695                                 viadev->hwptr_done = 0;
 696                         else
 697                                 viadev->hwptr_done += viadev->fragsize;
 698                         viadev->in_interrupt = c_status;
 699                         if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE)
 700                                 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE;
 701                         spin_unlock(&chip->reg_lock);
 702
 703                         snd_pcm_period_elapsed(substream);
 704
 705                         spin_lock(&chip->reg_lock);
 706                         viadev->in_interrupt = 0;
 707                 }
 708                 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */
 709                 irqreturn = 1;
 710         }
 711         spin_unlock(&chip->reg_lock);
 712         return IRQ_RETVAL(irqreturn);
 713 }
 714
 715 /*
 716  *  PCM callbacks
 717  */
 718
 719 /*
 720  * trigger callback
 721  */
 722 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 723 {
 724         struct via82xx *chip = snd_pcm_substream_chip(substream);
 725         struct viadev *viadev = substream->runtime->private_data;
 726         unsigned char val;
 727
 728         if (chip->chip_type != TYPE_VIA686)
 729                 val = VIA_REG_CTRL_INT;
 730         else
 731                 val = 0;
 732         switch (cmd) {
 733         case SNDRV_PCM_TRIGGER_START:
 734         case SNDRV_PCM_TRIGGER_RESUME:
 735                 val |= VIA_REG_CTRL_START;
 736                 viadev->running = 1;
 737                 break;
 738         case SNDRV_PCM_TRIGGER_STOP:
 739         case SNDRV_PCM_TRIGGER_SUSPEND:
 740                 val = VIA_REG_CTRL_TERMINATE;
 741                 viadev->running = 0;
 742                 break;
 743         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 744                 val |= VIA_REG_CTRL_PAUSE;
 745                 viadev->running = 0;
 746                 break;
 747         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 748                 viadev->running = 1;
 749                 break;
 750         default:
 751                 return -EINVAL;
 752         }
 753         outb(val, VIADEV_REG(viadev, OFFSET_CONTROL));
 754         if (cmd == SNDRV_PCM_TRIGGER_STOP)
 755                 snd_via82xx_channel_reset(chip, viadev);
 756         return 0;
 757 }
 758
 759
 760 /*
 761  * pointer callbacks
 762  */
 763
 764 /*
 765  * calculate the linear position at the given sg-buffer index and the rest count
 766  */
 767
 768 #define check_invalid_pos(viadev,pos) \
 769         ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\
 770                                      viadev->lastpos < viadev->bufsize2))
 771
 772 static inline unsigned int calc_linear_pos(struct via82xx *chip,
 773                                            struct viadev *viadev,
 774                                            unsigned int idx,
 775                                            unsigned int count)
 776 {
 777         unsigned int size, base, res;
 778
 779         size = viadev->idx_table[idx].size;
 780         base = viadev->idx_table[idx].offset;
 781         res = base + size - count;
 782         if (res >= viadev->bufsize)
 783                 res -= viadev->bufsize;
 784
 785         /* check the validity of the calculated position */
 786         if (size < count) {
 787                 dev_dbg(chip->card->dev,
 788                         "invalid via82xx_cur_ptr (size = %d, count = %d)\n",
 789                            (int)size, (int)count);
 790                 res = viadev->lastpos;
 791         } else {
 792                 if (! count) {
 793                         /* Some mobos report count = 0 on the DMA boundary,
 794                          * i.e. count = size indeed.
 795                          * Let's check whether this step is above the expected size.
 796                          */
 797                         int delta = res - viadev->lastpos;
 798                         if (delta < 0)
 799                                 delta += viadev->bufsize;
 800                         if ((unsigned int)delta > viadev->fragsize)
 801                                 res = base;
 802                 }
 803                 if (check_invalid_pos(viadev, res)) {
 804 #ifdef POINTER_DEBUG
 805                         dev_dbg(chip->card->dev,
 806                                 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n",
 807                                 idx, viadev->tbl_entries,
 808                                viadev->lastpos, viadev->bufsize2,
 809                                viadev->idx_table[idx].offset,
 810                                viadev->idx_table[idx].size, count);
 811 #endif
 812                         /* count register returns full size when end of buffer is reached */
 813                         res = base + size;
 814                         if (check_invalid_pos(viadev, res)) {
 815                                 dev_dbg(chip->card->dev,
 816                                         "invalid via82xx_cur_ptr (2), using last valid pointer\n");
 817                                 res = viadev->lastpos;
 818                         }
 819                 }
 820         }
 821         return res;
 822 }
 823
 824 /*
 825  * get the current pointer on via686
 826  */
 827 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream)
 828 {
 829         struct via82xx *chip = snd_pcm_substream_chip(substream);
 830         struct viadev *viadev = substream->runtime->private_data;
 831         unsigned int idx, ptr, count, res;
 832
 833         if (snd_BUG_ON(!viadev->tbl_entries))
 834                 return 0;
 835         if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE))
 836                 return 0;
 837
 838         spin_lock(&chip->reg_lock);
 839         count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff;
 840         /* The via686a does not have the current index register,
 841          * so we need to calculate the index from CURR_PTR.
 842          */
 843         ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR));
 844         if (ptr <= (unsigned int)viadev->table.addr)
 845                 idx = 0;
 846         else /* CURR_PTR holds the address + 8 */
 847                 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries;
 848         res = calc_linear_pos(chip, viadev, idx, count);
 849         viadev->lastpos = res; /* remember the last position */
 850         spin_unlock(&chip->reg_lock);
 851
 852         return bytes_to_frames(substream->runtime, res);
 853 }
 854
 855 /*
 856  * get the current pointer on via823x
 857  */
 858 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream)
 859 {
 860         struct via82xx *chip = snd_pcm_substream_chip(substream);
 861         struct viadev *viadev = substream->runtime->private_data;
 862         unsigned int idx, count, res;
 863         int status;
 864
 865         if (snd_BUG_ON(!viadev->tbl_entries))
 866                 return 0;
 867
 868         spin_lock(&chip->reg_lock);
 869         count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT));
 870         status = viadev->in_interrupt;
 871         if (!status)
 872                 status = inb(VIADEV_REG(viadev, OFFSET_STATUS));
 873
 874         /* An apparent bug in the 8251 is worked around by sending a
 875          * REG_CTRL_START. */
 876         if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL))
 877                 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START);
 878
 879         if (!(status & VIA_REG_STAT_ACTIVE)) {
 880                 res = 0;
 881                 goto unlock;
 882         }
 883         if (count & 0xffffff) {
 884                 idx = count >> 24;
 885                 if (idx >= viadev->tbl_entries) {
 886 #ifdef POINTER_DEBUG
 887                         dev_dbg(chip->card->dev,
 888                                 "fail: invalid idx = %i/%i\n", idx,
 889                                viadev->tbl_entries);
 890 #endif
 891                         res = viadev->lastpos;
 892                 } else {
 893                         count &= 0xffffff;
 894                         res = calc_linear_pos(chip, viadev, idx, count);
 895                 }
 896         } else {
 897                 res = viadev->hwptr_done;
 898                 if (!viadev->in_interrupt) {
 899                         if (status & VIA_REG_STAT_EOL) {
 900                                 res = 0;
 901                         } else
 902                                 if (status & VIA_REG_STAT_FLAG) {
 903                                         res += viadev->fragsize;
 904                                 }
 905                 }
 906         }
 907 unlock:
 908         viadev->lastpos = res;
 909         spin_unlock(&chip->reg_lock);
 910
 911         return bytes_to_frames(substream->runtime, res);
 912 }
 913
 914
 915 /*
 916  * hw_params callback:
 917  * allocate the buffer and build up the buffer description table
 918  */
 919 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream,
 920                                  struct snd_pcm_hw_params *hw_params)
 921 {
 922         struct via82xx *chip = snd_pcm_substream_chip(substream);
 923         struct viadev *viadev = substream->runtime->private_data;
 924
 925         return build_via_table(viadev, substream, chip->pci,
 926                                params_periods(hw_params),
 927                                params_period_bytes(hw_params));
 928 }
 929
 930 /*
 931  * hw_free callback:
 932  * clean up the buffer description table and release the buffer
 933  */
 934 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream)
 935 {
 936         struct via82xx *chip = snd_pcm_substream_chip(substream);
 937         struct viadev *viadev = substream->runtime->private_data;
 938
 939         clean_via_table(viadev, substream, chip->pci);
 940         return 0;
 941 }
 942
 943
 944 /*
 945  * set up the table pointer
 946  */
 947 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev)
 948 {
 949         snd_via82xx_codec_ready(chip, 0);
 950         outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR));
 951         udelay(20);
 952         snd_via82xx_codec_ready(chip, 0);
 953 }
 954
 955 /*
 956  * prepare callback for playback and capture on via686
 957  */
 958 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev,
 959                                 struct snd_pcm_runtime *runtime)
 960 {
 961         snd_via82xx_channel_reset(chip, viadev);
 962         /* this must be set after channel_reset */
 963         snd_via82xx_set_table_ptr(chip, viadev);
 964         outb(VIA_REG_TYPE_AUTOSTART |
 965              (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) |
 966              (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) |
 967              ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) |
 968              VIA_REG_TYPE_INT_EOL |
 969              VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE));
 970 }
 971
 972 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream)
 973 {
 974         struct via82xx *chip = snd_pcm_substream_chip(substream);
 975         struct viadev *viadev = substream->runtime->private_data;
 976         struct snd_pcm_runtime *runtime = substream->runtime;
 977
 978         snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate);
 979         snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate);
 980         via686_setup_format(chip, viadev, runtime);
 981         return 0;
 982 }
 983
 984 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream)
 985 {
 986         struct via82xx *chip = snd_pcm_substream_chip(substream);
 987         struct viadev *viadev = substream->runtime->private_data;
 988         struct snd_pcm_runtime *runtime = substream->runtime;
 989
 990         snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate);
 991         via686_setup_format(chip, viadev, runtime);
 992         return 0;
 993 }
 994
 995 /*
 996  * lock the current rate
 997  */
 998 static int via_lock_rate(struct via_rate_lock *rec, int rate)
 999 {
1000         int changed = 0;
1001
1002         spin_lock_irq(&rec->lock);
1003         if (rec->rate != rate) {
1004                 if (rec->rate && rec->used > 1) /* already set */
1005                         changed = -EINVAL;
1006                 else {
1007                         rec->rate = rate;
1008                         changed = 1;
1009                 }
1010         }
1011         spin_unlock_irq(&rec->lock);
1012         return changed;
1013 }
1014
1015 /*
1016  * prepare callback for DSX playback on via823x
1017  */
1018 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream)
1019 {
1020         struct via82xx *chip = snd_pcm_substream_chip(substream);
1021         struct viadev *viadev = substream->runtime->private_data;
1022         struct snd_pcm_runtime *runtime = substream->runtime;
1023         int ac97_rate = chip->dxs_src ? 48000 : runtime->rate;
1024         int rate_changed;
1025         u32 rbits;
1026
1027         if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0)
1028                 return rate_changed;
1029         if (rate_changed)
1030                 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE,
1031                                   chip->no_vra ? 48000 : runtime->rate);
1032         if (chip->spdif_on && viadev->reg_offset == 0x30)
1033                 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate);
1034
1035         if (runtime->rate == 48000)
1036                 rbits = 0xfffff;
1037         else
1038                 rbits = (0x100000 / 48000) * runtime->rate +
1039                         ((0x100000 % 48000) * runtime->rate) / 48000;
1040         snd_BUG_ON(rbits & ~0xfffff);
1041         snd_via82xx_channel_reset(chip, viadev);
1042         snd_via82xx_set_table_ptr(chip, viadev);
1043         outb(chip->playback_volume[viadev->reg_offset / 0x10][0],
1044              VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L));
1045         outb(chip->playback_volume[viadev->reg_offset / 0x10][1],
1046              VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R));
1047         outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */
1048              (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */
1049              rbits | /* rate */
1050              0xff000000,    /* STOP index is never reached */
1051              VIADEV_REG(viadev, OFFSET_STOP_IDX));
1052         udelay(20);
1053         snd_via82xx_codec_ready(chip, 0);
1054         return 0;
1055 }
1056
1057 /*
1058  * prepare callback for multi-channel playback on via823x
1059  */
1060 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream)
1061 {
1062         struct via82xx *chip = snd_pcm_substream_chip(substream);
1063         struct viadev *viadev = substream->runtime->private_data;
1064         struct snd_pcm_runtime *runtime = substream->runtime;
1065         unsigned int slots;
1066         int fmt;
1067
1068         if (via_lock_rate(&chip->rates[0], runtime->rate) < 0)
1069                 return -EINVAL;
1070         snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate);
1071         snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1072         snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate);
1073         snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate);
1074         snd_via82xx_channel_reset(chip, viadev);
1075         snd_via82xx_set_table_ptr(chip, viadev);
1076
1077         fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ?
1078                 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT;
1079         fmt |= runtime->channels << 4;
1080         outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT));
1081 #if 0
1082         if (chip->revision == VIA_REV_8233A)
1083                 slots = 0;
1084         else
1085 #endif
1086         {
1087                 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */
1088                 /* corresponding to FL, FR, RL, RR, C, LFE ?? */
1089                 switch (runtime->channels) {
1090                 case 1: slots = (1<<0) | (1<<4); break;
1091                 case 2: slots = (1<<0) | (2<<4); break;
1092                 case 3: slots = (1<<0) | (2<<4) | (5<<8); break;
1093                 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break;
1094                 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break;
1095                 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break;
1096                 default: slots = 0; break;
1097                 }
1098         }
1099         /* STOP index is never reached */
1100         outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX));
1101         udelay(20);
1102         snd_via82xx_codec_ready(chip, 0);
1103         return 0;
1104 }
1105
1106 /*
1107  * prepare callback for capture on via823x
1108  */
1109 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream)
1110 {
1111         struct via82xx *chip = snd_pcm_substream_chip(substream);
1112         struct viadev *viadev = substream->runtime->private_data;
1113         struct snd_pcm_runtime *runtime = substream->runtime;
1114
1115         if (via_lock_rate(&chip->rates[1], runtime->rate) < 0)
1116                 return -EINVAL;
1117         snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate);
1118         snd_via82xx_channel_reset(chip, viadev);
1119         snd_via82xx_set_table_ptr(chip, viadev);
1120         outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO));
1121         outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) |
1122              (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) |
1123              0xff000000,    /* STOP index is never reached */
1124              VIADEV_REG(viadev, OFFSET_STOP_IDX));
1125         udelay(20);
1126         snd_via82xx_codec_ready(chip, 0);
1127         return 0;
1128 }
1129
1130
1131 /*
1132  * pcm hardware definition, identical for both playback and capture
1133  */
1134 static const struct snd_pcm_hardware snd_via82xx_hw =
1135 {
1136         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1137                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1138                                  SNDRV_PCM_INFO_MMAP_VALID |
1139                                  /* SNDRV_PCM_INFO_RESUME | */
1140                                  SNDRV_PCM_INFO_PAUSE),
1141         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1142         .rates =                SNDRV_PCM_RATE_48000,
1143         .rate_min =             48000,
1144         .rate_max =             48000,
1145         .channels_min =         1,
1146         .channels_max =         2,
1147         .buffer_bytes_max =     VIA_MAX_BUFSIZE,
1148         .period_bytes_min =     32,
1149         .period_bytes_max =     VIA_MAX_BUFSIZE / 2,
1150         .periods_min =          2,
1151         .periods_max =          VIA_TABLE_SIZE / 2,
1152         .fifo_size =            0,
1153 };
1154
1155
1156 /*
1157  * open callback skeleton
1158  */
1159 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev,
1160                                 struct snd_pcm_substream *substream)
1161 {
1162         struct snd_pcm_runtime *runtime = substream->runtime;
1163         int err;
1164         struct via_rate_lock *ratep;
1165         bool use_src = false;
1166
1167         runtime->hw = snd_via82xx_hw;
1168
1169         /* set the hw rate condition */
1170         ratep = &chip->rates[viadev->direction];
1171         spin_lock_irq(&ratep->lock);
1172         ratep->used++;
1173         if (chip->spdif_on && viadev->reg_offset == 0x30) {
1174                 /* DXS#3 and spdif is on */
1175                 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF];
1176                 snd_pcm_limit_hw_rates(runtime);
1177         } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) {
1178                 /* fixed DXS playback rate */
1179                 runtime->hw.rates = SNDRV_PCM_RATE_48000;
1180                 runtime->hw.rate_min = runtime->hw.rate_max = 48000;
1181         } else if (chip->dxs_src && viadev->reg_offset < 0x40) {
1182                 /* use full SRC capabilities of DXS */
1183                 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS |
1184                                      SNDRV_PCM_RATE_8000_48000);
1185                 runtime->hw.rate_min = 8000;
1186                 runtime->hw.rate_max = 48000;
1187                 use_src = true;
1188         } else if (! ratep->rate) {
1189                 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC;
1190                 runtime->hw.rates = chip->ac97->rates[idx];
1191                 snd_pcm_limit_hw_rates(runtime);
1192         } else {
1193                 /* a fixed rate */
1194                 runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
1195                 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate;
1196         }
1197         spin_unlock_irq(&ratep->lock);
1198
1199         /* we may remove following constaint when we modify table entries
1200            in interrupt */
1201         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1202                 return err;
1203
1204         if (use_src) {
1205                 err = snd_pcm_hw_rule_noresample(runtime, 48000);
1206                 if (err < 0)
1207                         return err;
1208         }
1209
1210         runtime->private_data = viadev;
1211         viadev->substream = substream;
1212
1213         return 0;
1214 }
1215
1216
1217 /*
1218  * open callback for playback on via686
1219  */
1220 static int snd_via686_playback_open(struct snd_pcm_substream *substream)
1221 {
1222         struct via82xx *chip = snd_pcm_substream_chip(substream);
1223         struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number];
1224         int err;
1225
1226         if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0)
1227                 return err;
1228         return 0;
1229 }
1230
1231 /*
1232  * open callback for playback on via823x DXS
1233  */
1234 static int snd_via8233_playback_open(struct snd_pcm_substream *substream)
1235 {
1236         struct via82xx *chip = snd_pcm_substream_chip(substream);
1237         struct viadev *viadev;
1238         unsigned int stream;
1239         int err;
1240
1241         viadev = &chip->devs[chip->playback_devno + substream->number];
1242         if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0)
1243                 return err;
1244         stream = viadev->reg_offset / 0x10;
1245         if (chip->dxs_controls[stream]) {
1246                 chip->playback_volume[stream][0] =
1247                                 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31);
1248                 chip->playback_volume[stream][1] =
1249                                 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31);
1250                 chip->dxs_controls[stream]->vd[0].access &=
1251                         ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1252                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
1253                                SNDRV_CTL_EVENT_MASK_INFO,
1254                                &chip->dxs_controls[stream]->id);
1255         }
1256         return 0;
1257 }
1258
1259 /*
1260  * open callback for playback on via823x multi-channel
1261  */
1262 static int snd_via8233_multi_open(struct snd_pcm_substream *substream)
1263 {
1264         struct via82xx *chip = snd_pcm_substream_chip(substream);
1265         struct viadev *viadev = &chip->devs[chip->multi_devno];
1266         int err;
1267         /* channels constraint for VIA8233A
1268          * 3 and 5 channels are not supported
1269          */
1270         static const unsigned int channels[] = {
1271                 1, 2, 4, 6
1272         };
1273         static const struct snd_pcm_hw_constraint_list hw_constraints_channels = {
1274                 .count = ARRAY_SIZE(channels),
1275                 .list = channels,
1276                 .mask = 0,
1277         };
1278
1279         if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0)
1280                 return err;
1281         substream->runtime->hw.channels_max = 6;
1282         if (chip->revision == VIA_REV_8233A)
1283                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1284                                            SNDRV_PCM_HW_PARAM_CHANNELS,
1285                                            &hw_constraints_channels);
1286         return 0;
1287 }
1288
1289 /*
1290  * open callback for capture on via686 and via823x
1291  */
1292 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream)
1293 {
1294         struct via82xx *chip = snd_pcm_substream_chip(substream);
1295         struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device];
1296
1297         return snd_via82xx_pcm_open(chip, viadev, substream);
1298 }
1299
1300 /*
1301  * close callback
1302  */
1303 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream)
1304 {
1305         struct via82xx *chip = snd_pcm_substream_chip(substream);
1306         struct viadev *viadev = substream->runtime->private_data;
1307         struct via_rate_lock *ratep;
1308
1309         /* release the rate lock */
1310         ratep = &chip->rates[viadev->direction];
1311         spin_lock_irq(&ratep->lock);
1312         ratep->used--;
1313         if (! ratep->used)
1314                 ratep->rate = 0;
1315         spin_unlock_irq(&ratep->lock);
1316         if (! ratep->rate) {
1317                 if (! viadev->direction) {
1318                         snd_ac97_update_power(chip->ac97,
1319                                               AC97_PCM_FRONT_DAC_RATE, 0);
1320                         snd_ac97_update_power(chip->ac97,
1321                                               AC97_PCM_SURR_DAC_RATE, 0);
1322                         snd_ac97_update_power(chip->ac97,
1323                                               AC97_PCM_LFE_DAC_RATE, 0);
1324                 } else
1325                         snd_ac97_update_power(chip->ac97,
1326                                               AC97_PCM_LR_ADC_RATE, 0);
1327         }
1328         viadev->substream = NULL;
1329         return 0;
1330 }
1331
1332 static int snd_via8233_playback_close(struct snd_pcm_substream *substream)
1333 {
1334         struct via82xx *chip = snd_pcm_substream_chip(substream);
1335         struct viadev *viadev = substream->runtime->private_data;
1336         unsigned int stream;
1337
1338         stream = viadev->reg_offset / 0x10;
1339         if (chip->dxs_controls[stream]) {
1340                 chip->dxs_controls[stream]->vd[0].access |=
1341                         SNDRV_CTL_ELEM_ACCESS_INACTIVE;
1342                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO,
1343                                &chip->dxs_controls[stream]->id);
1344         }
1345         return snd_via82xx_pcm_close(substream);
1346 }
1347
1348
1349 /* via686 playback callbacks */
1350 static const struct snd_pcm_ops snd_via686_playback_ops = {
1351         .open =         snd_via686_playback_open,
1352         .close =        snd_via82xx_pcm_close,
1353         .hw_params =    snd_via82xx_hw_params,
1354         .hw_free =      snd_via82xx_hw_free,
1355         .prepare =      snd_via686_playback_prepare,
1356         .trigger =      snd_via82xx_pcm_trigger,
1357         .pointer =      snd_via686_pcm_pointer,
1358 };
1359
1360 /* via686 capture callbacks */
1361 static const struct snd_pcm_ops snd_via686_capture_ops = {
1362         .open =         snd_via82xx_capture_open,
1363         .close =        snd_via82xx_pcm_close,
1364         .hw_params =    snd_via82xx_hw_params,
1365         .hw_free =      snd_via82xx_hw_free,
1366         .prepare =      snd_via686_capture_prepare,
1367         .trigger =      snd_via82xx_pcm_trigger,
1368         .pointer =      snd_via686_pcm_pointer,
1369 };
1370
1371 /* via823x DSX playback callbacks */
1372 static const struct snd_pcm_ops snd_via8233_playback_ops = {
1373         .open =         snd_via8233_playback_open,
1374         .close =        snd_via8233_playback_close,
1375         .hw_params =    snd_via82xx_hw_params,
1376         .hw_free =      snd_via82xx_hw_free,
1377         .prepare =      snd_via8233_playback_prepare,
1378         .trigger =      snd_via82xx_pcm_trigger,
1379         .pointer =      snd_via8233_pcm_pointer,
1380 };
1381
1382 /* via823x multi-channel playback callbacks */
1383 static const struct snd_pcm_ops snd_via8233_multi_ops = {
1384         .open =         snd_via8233_multi_open,
1385         .close =        snd_via82xx_pcm_close,
1386         .hw_params =    snd_via82xx_hw_params,
1387         .hw_free =      snd_via82xx_hw_free,
1388         .prepare =      snd_via8233_multi_prepare,
1389         .trigger =      snd_via82xx_pcm_trigger,
1390         .pointer =      snd_via8233_pcm_pointer,
1391 };
1392
1393 /* via823x capture callbacks */
1394 static const struct snd_pcm_ops snd_via8233_capture_ops = {
1395         .open =         snd_via82xx_capture_open,
1396         .close =        snd_via82xx_pcm_close,
1397         .hw_params =    snd_via82xx_hw_params,
1398         .hw_free =      snd_via82xx_hw_free,
1399         .prepare =      snd_via8233_capture_prepare,
1400         .trigger =      snd_via82xx_pcm_trigger,
1401         .pointer =      snd_via8233_pcm_pointer,
1402 };
1403
1404
1405 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset,
1406                         int shadow_pos, int direction)
1407 {
1408         chip->devs[idx].reg_offset = reg_offset;
1409         chip->devs[idx].shadow_shift = shadow_pos * 4;
1410         chip->devs[idx].direction = direction;
1411         chip->devs[idx].port = chip->port + reg_offset;
1412 }
1413
1414 /*
1415  * create pcm instances for VIA8233, 8233C and 8235 (not 8233A)
1416  */
1417 static int snd_via8233_pcm_new(struct via82xx *chip)
1418 {
1419         struct snd_pcm *pcm;
1420         struct snd_pcm_chmap *chmap;
1421         int i, err;
1422
1423         chip->playback_devno = 0;       /* x 4 */
1424         chip->multi_devno = 4;          /* x 1 */
1425         chip->capture_devno = 5;        /* x 2 */
1426         chip->num_devs = 7;
1427         chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */
1428
1429         /* PCM #0:  4 DSX playbacks and 1 capture */
1430         err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm);
1431         if (err < 0)
1432                 return err;
1433         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops);
1434         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops);
1435         pcm->private_data = chip;
1436         strcpy(pcm->name, chip->card->shortname);
1437         chip->pcms[0] = pcm;
1438         /* set up playbacks */
1439         for (i = 0; i < 4; i++)
1440                 init_viadev(chip, i, 0x10 * i, i, 0);
1441         /* capture */
1442         init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
1443
1444         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1445                                        &chip->pci->dev,
1446                                        64*1024, VIA_MAX_BUFSIZE);
1447
1448         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1449                                      snd_pcm_std_chmaps, 2, 0,
1450                                      &chmap);
1451         if (err < 0)
1452                 return err;
1453
1454         /* PCM #1:  multi-channel playback and 2nd capture */
1455         err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm);
1456         if (err < 0)
1457                 return err;
1458         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops);
1459         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops);
1460         pcm->private_data = chip;
1461         strcpy(pcm->name, chip->card->shortname);
1462         chip->pcms[1] = pcm;
1463         /* set up playback */
1464         init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0);
1465         /* set up capture */
1466         init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1);
1467
1468         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1469                                        &chip->pci->dev,
1470                                        64*1024, VIA_MAX_BUFSIZE);
1471
1472         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1473                                      snd_pcm_alt_chmaps, 6, 0,
1474                                      &chmap);
1475         if (err < 0)
1476                 return err;
1477         chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1478
1479         return 0;
1480 }
1481
1482 /*
1483  * create pcm instances for VIA8233A
1484  */
1485 static int snd_via8233a_pcm_new(struct via82xx *chip)
1486 {
1487         struct snd_pcm *pcm;
1488         struct snd_pcm_chmap *chmap;
1489         int err;
1490
1491         chip->multi_devno = 0;
1492         chip->playback_devno = 1;
1493         chip->capture_devno = 2;
1494         chip->num_devs = 3;
1495         chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */
1496
1497         /* PCM #0:  multi-channel playback and capture */
1498         err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm);
1499         if (err < 0)
1500                 return err;
1501         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops);
1502         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops);
1503         pcm->private_data = chip;
1504         strcpy(pcm->name, chip->card->shortname);
1505         chip->pcms[0] = pcm;
1506         /* set up playback */
1507         init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0);
1508         /* capture */
1509         init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1);
1510
1511         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1512                                        &chip->pci->dev,
1513                                        64*1024, VIA_MAX_BUFSIZE);
1514
1515         err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1516                                      snd_pcm_alt_chmaps, 6, 0,
1517                                      &chmap);
1518         if (err < 0)
1519                 return err;
1520         chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1521
1522         /* SPDIF supported? */
1523         if (! ac97_can_spdif(chip->ac97))
1524                 return 0;
1525
1526         /* PCM #1:  DXS3 playback (for spdif) */
1527         err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm);
1528         if (err < 0)
1529                 return err;
1530         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops);
1531         pcm->private_data = chip;
1532         strcpy(pcm->name, chip->card->shortname);
1533         chip->pcms[1] = pcm;
1534         /* set up playback */
1535         init_viadev(chip, chip->playback_devno, 0x30, 3, 0);
1536
1537         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1538                                        &chip->pci->dev,
1539                                        64*1024, VIA_MAX_BUFSIZE);
1540         return 0;
1541 }
1542
1543 /*
1544  * create a pcm instance for via686a/b
1545  */
1546 static int snd_via686_pcm_new(struct via82xx *chip)
1547 {
1548         struct snd_pcm *pcm;
1549         int err;
1550
1551         chip->playback_devno = 0;
1552         chip->capture_devno = 1;
1553         chip->num_devs = 2;
1554         chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */
1555
1556         err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm);
1557         if (err < 0)
1558                 return err;
1559         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops);
1560         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops);
1561         pcm->private_data = chip;
1562         strcpy(pcm->name, chip->card->shortname);
1563         chip->pcms[0] = pcm;
1564         init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0);
1565         init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1);
1566
1567         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1568                                        &chip->pci->dev,
1569                                        64*1024, VIA_MAX_BUFSIZE);
1570         return 0;
1571 }
1572
1573
1574 /*
1575  *  Mixer part
1576  */
1577
1578 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol,
1579                                            struct snd_ctl_elem_info *uinfo)
1580 {
1581         /* formerly they were "Line" and "Mic", but it looks like that they
1582          * have nothing to do with the actual physical connections...
1583          */
1584         static const char * const texts[2] = {
1585                 "Input1", "Input2"
1586         };
1587         return snd_ctl_enum_info(uinfo, 1, 2, texts);
1588 }
1589
1590 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol,
1591                                           struct snd_ctl_elem_value *ucontrol)
1592 {
1593         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1594         unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL);
1595         ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0;
1596         return 0;
1597 }
1598
1599 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol,
1600                                           struct snd_ctl_elem_value *ucontrol)
1601 {
1602         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1603         unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL);
1604         u8 val, oval;
1605
1606         spin_lock_irq(&chip->reg_lock);
1607         oval = inb(port);
1608         val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC;
1609         if (ucontrol->value.enumerated.item[0])
1610                 val |= VIA_REG_CAPTURE_CHANNEL_MIC;
1611         if (val != oval)
1612                 outb(val, port);
1613         spin_unlock_irq(&chip->reg_lock);
1614         return val != oval;
1615 }
1616
1617 static struct snd_kcontrol_new snd_via8233_capture_source = {
1618         .name = "Input Source Select",
1619         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1620         .info = snd_via8233_capture_source_info,
1621         .get = snd_via8233_capture_source_get,
1622         .put = snd_via8233_capture_source_put,
1623 };
1624
1625 #define snd_via8233_dxs3_spdif_info     snd_ctl_boolean_mono_info
1626
1627 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol,
1628                                       struct snd_ctl_elem_value *ucontrol)
1629 {
1630         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1631         u8 val;
1632
1633         pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val);
1634         ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0;
1635         return 0;
1636 }
1637
1638 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol,
1639                                       struct snd_ctl_elem_value *ucontrol)
1640 {
1641         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1642         u8 val, oval;
1643
1644         pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval);
1645         val = oval & ~VIA8233_SPDIF_DX3;
1646         if (ucontrol->value.integer.value[0])
1647                 val |= VIA8233_SPDIF_DX3;
1648         /* save the spdif flag for rate filtering */
1649         chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0;
1650         if (val != oval) {
1651                 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val);
1652                 return 1;
1653         }
1654         return 0;
1655 }
1656
1657 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = {
1658         .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH),
1659         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1660         .info = snd_via8233_dxs3_spdif_info,
1661         .get = snd_via8233_dxs3_spdif_get,
1662         .put = snd_via8233_dxs3_spdif_put,
1663 };
1664
1665 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol,
1666                                        struct snd_ctl_elem_info *uinfo)
1667 {
1668         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1669         uinfo->count = 2;
1670         uinfo->value.integer.min = 0;
1671         uinfo->value.integer.max = VIA_DXS_MAX_VOLUME;
1672         return 0;
1673 }
1674
1675 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol,
1676                                       struct snd_ctl_elem_value *ucontrol)
1677 {
1678         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1679         unsigned int idx = kcontrol->id.subdevice;
1680
1681         ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0];
1682         ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1];
1683         return 0;
1684 }
1685
1686 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol,
1687                                          struct snd_ctl_elem_value *ucontrol)
1688 {
1689         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1690         ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0];
1691         ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1];
1692         return 0;
1693 }
1694
1695 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol,
1696                                       struct snd_ctl_elem_value *ucontrol)
1697 {
1698         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1699         unsigned int idx = kcontrol->id.subdevice;
1700         unsigned long port = chip->port + 0x10 * idx;
1701         unsigned char val;
1702         int i, change = 0;
1703
1704         for (i = 0; i < 2; i++) {
1705                 val = ucontrol->value.integer.value[i];
1706                 if (val > VIA_DXS_MAX_VOLUME)
1707                         val = VIA_DXS_MAX_VOLUME;
1708                 val = VIA_DXS_MAX_VOLUME - val;
1709                 change |= val != chip->playback_volume[idx][i];
1710                 if (change) {
1711                         chip->playback_volume[idx][i] = val;
1712                         outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i);
1713                 }
1714         }
1715         return change;
1716 }
1717
1718 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol,
1719                                          struct snd_ctl_elem_value *ucontrol)
1720 {
1721         struct via82xx *chip = snd_kcontrol_chip(kcontrol);
1722         unsigned int idx;
1723         unsigned char val;
1724         int i, change = 0;
1725
1726         for (i = 0; i < 2; i++) {
1727                 val = ucontrol->value.integer.value[i];
1728                 if (val > VIA_DXS_MAX_VOLUME)
1729                         val = VIA_DXS_MAX_VOLUME;
1730                 val = VIA_DXS_MAX_VOLUME - val;
1731                 if (val != chip->playback_volume_c[i]) {
1732                         change = 1;
1733                         chip->playback_volume_c[i] = val;
1734                         for (idx = 0; idx < 4; idx++) {
1735                                 unsigned long port = chip->port + 0x10 * idx;
1736                                 chip->playback_volume[idx][i] = val;
1737                                 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i);
1738                         }
1739                 }
1740         }
1741         return change;
1742 }
1743
1744 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1);
1745
1746 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = {
1747         .name = "PCM Playback Volume",
1748         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1749         .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
1750                    SNDRV_CTL_ELEM_ACCESS_TLV_READ),
1751         .info = snd_via8233_dxs_volume_info,
1752         .get = snd_via8233_pcmdxs_volume_get,
1753         .put = snd_via8233_pcmdxs_volume_put,
1754         .tlv = { .p = db_scale_dxs }
1755 };
1756
1757 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = {
1758         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1759         .device = 0,
1760         /* .subdevice set later */
1761         .name = "PCM Playback Volume",
1762         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1763                   SNDRV_CTL_ELEM_ACCESS_TLV_READ |
1764                   SNDRV_CTL_ELEM_ACCESS_INACTIVE,
1765         .info = snd_via8233_dxs_volume_info,
1766         .get = snd_via8233_dxs_volume_get,
1767         .put = snd_via8233_dxs_volume_put,
1768         .tlv = { .p = db_scale_dxs }
1769 };
1770
1771 /*
1772  */
1773
1774 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1775 {
1776         struct via82xx *chip = bus->private_data;
1777         chip->ac97_bus = NULL;
1778 }
1779
1780 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97)
1781 {
1782         struct via82xx *chip = ac97->private_data;
1783         chip->ac97 = NULL;
1784 }
1785
1786 static const struct ac97_quirk ac97_quirks[] = {
1787         {
1788                 .subvendor = 0x1106,
1789                 .subdevice = 0x4161,
1790                 .codec_id = 0x56494161, /* VT1612A */
1791                 .name = "Soltek SL-75DRV5",
1792                 .type = AC97_TUNE_NONE
1793         },
1794         {       /* FIXME: which codec? */
1795                 .subvendor = 0x1106,
1796                 .subdevice = 0x4161,
1797                 .name = "ASRock K7VT2",
1798                 .type = AC97_TUNE_HP_ONLY
1799         },
1800         {
1801                 .subvendor = 0x110a,
1802                 .subdevice = 0x0079,
1803                 .name = "Fujitsu Siemens D1289",
1804                 .type = AC97_TUNE_HP_ONLY
1805         },
1806         {
1807                 .subvendor = 0x1019,
1808                 .subdevice = 0x0a81,
1809                 .name = "ECS K7VTA3",
1810                 .type = AC97_TUNE_HP_ONLY
1811         },
1812         {
1813                 .subvendor = 0x1019,
1814                 .subdevice = 0x0a85,
1815                 .name = "ECS L7VMM2",
1816                 .type = AC97_TUNE_HP_ONLY
1817         },
1818         {
1819                 .subvendor = 0x1019,
1820                 .subdevice = 0x1841,
1821                 .name = "ECS K7VTA3",
1822                 .type = AC97_TUNE_HP_ONLY
1823         },
1824         {
1825                 .subvendor = 0x1849,
1826                 .subdevice = 0x3059,
1827                 .name = "ASRock K7VM2",
1828                 .type = AC97_TUNE_HP_ONLY       /* VT1616 */
1829         },
1830         {
1831                 .subvendor = 0x14cd,
1832                 .subdevice = 0x7002,
1833                 .name = "Unknown",
1834                 .type = AC97_TUNE_ALC_JACK
1835         },
1836         {
1837                 .subvendor = 0x1071,
1838                 .subdevice = 0x8590,
1839                 .name = "Mitac Mobo",
1840                 .type = AC97_TUNE_ALC_JACK
1841         },
1842         {
1843                 .subvendor = 0x161f,
1844                 .subdevice = 0x202b,
1845                 .name = "Arima Notebook",
1846                 .type = AC97_TUNE_HP_ONLY,
1847         },
1848         {
1849                 .subvendor = 0x161f,
1850                 .subdevice = 0x2032,
1851                 .name = "Targa Traveller 811",
1852                 .type = AC97_TUNE_HP_ONLY,
1853         },
1854         {
1855                 .subvendor = 0x161f,
1856                 .subdevice = 0x2032,
1857                 .name = "m680x",
1858                 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */
1859         },
1860         {
1861                 .subvendor = 0x1297,
1862                 .subdevice = 0xa232,
1863                 .name = "Shuttle AK32VN",
1864                 .type = AC97_TUNE_HP_ONLY
1865         },
1866         { } /* terminator */
1867 };
1868
1869 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override)
1870 {
1871         struct snd_ac97_template ac97;
1872         int err;
1873         static const struct snd_ac97_bus_ops ops = {
1874                 .write = snd_via82xx_codec_write,
1875                 .read = snd_via82xx_codec_read,
1876                 .wait = snd_via82xx_codec_wait,
1877         };
1878
1879         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0)
1880                 return err;
1881         chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus;
1882         chip->ac97_bus->clock = chip->ac97_clock;
1883
1884         memset(&ac97, 0, sizeof(ac97));
1885         ac97.private_data = chip;
1886         ac97.private_free = snd_via82xx_mixer_free_ac97;
1887         ac97.pci = chip->pci;
1888         ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
1889         if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0)
1890                 return err;
1891
1892         snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override);
1893
1894         if (chip->chip_type != TYPE_VIA686) {
1895                 /* use slot 10/11 */
1896                 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
1897         }
1898
1899         return 0;
1900 }
1901
1902 #ifdef SUPPORT_JOYSTICK
1903 #define JOYSTICK_ADDR   0x200
1904 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy)
1905 {
1906         struct gameport *gp;
1907         struct resource *r;
1908
1909         if (!joystick)
1910                 return -ENODEV;
1911
1912         r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport");
1913         if (!r) {
1914                 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n",
1915                        JOYSTICK_ADDR);
1916                 return -EBUSY;
1917         }
1918
1919         chip->gameport = gp = gameport_allocate_port();
1920         if (!gp) {
1921                 dev_err(chip->card->dev,
1922                         "cannot allocate memory for gameport\n");
1923                 release_and_free_resource(r);
1924                 return -ENOMEM;
1925         }
1926
1927         gameport_set_name(gp, "VIA686 Gameport");
1928         gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
1929         gameport_set_dev_parent(gp, &chip->pci->dev);
1930         gp->io = JOYSTICK_ADDR;
1931         gameport_set_port_data(gp, r);
1932
1933         /* Enable legacy joystick port */
1934         *legacy |= VIA_FUNC_ENABLE_GAME;
1935         pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy);
1936
1937         gameport_register_port(chip->gameport);
1938
1939         return 0;
1940 }
1941
1942 static void snd_via686_free_gameport(struct via82xx *chip)
1943 {
1944         if (chip->gameport) {
1945                 struct resource *r = gameport_get_port_data(chip->gameport);
1946
1947                 gameport_unregister_port(chip->gameport);
1948                 chip->gameport = NULL;
1949                 release_and_free_resource(r);
1950         }
1951 }
1952 #else
1953 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy)
1954 {
1955         return -ENOSYS;
1956 }
1957 static inline void snd_via686_free_gameport(struct via82xx *chip) { }
1958 #endif
1959
1960
1961 /*
1962  *
1963  */
1964
1965 static int snd_via8233_init_misc(struct via82xx *chip)
1966 {
1967         int i, err, caps;
1968         unsigned char val;
1969
1970         caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2;
1971         for (i = 0; i < caps; i++) {
1972                 snd_via8233_capture_source.index = i;
1973                 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip));
1974                 if (err < 0)
1975                         return err;
1976         }
1977         if (ac97_can_spdif(chip->ac97)) {
1978                 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip));
1979                 if (err < 0)
1980                         return err;
1981         }
1982         if (chip->chip_type != TYPE_VIA8233A) {
1983                 /* when no h/w PCM volume control is found, use DXS volume control
1984                  * as the PCM vol control
1985                  */
1986                 struct snd_ctl_elem_id sid;
1987                 memset(&sid, 0, sizeof(sid));
1988                 strcpy(sid.name, "PCM Playback Volume");
1989                 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1990                 if (! snd_ctl_find_id(chip->card, &sid)) {
1991                         dev_info(chip->card->dev,
1992                                  "Using DXS as PCM Playback\n");
1993                         err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip));
1994                         if (err < 0)
1995                                 return err;
1996                 }
1997                 else /* Using DXS when PCM emulation is enabled is really weird */
1998                 {
1999                         for (i = 0; i < 4; ++i) {
2000                                 struct snd_kcontrol *kctl;
2001
2002                                 kctl = snd_ctl_new1(
2003                                         &snd_via8233_dxs_volume_control, chip);
2004                                 if (!kctl)
2005                                         return -ENOMEM;
2006                                 kctl->id.subdevice = i;
2007                                 err = snd_ctl_add(chip->card, kctl);
2008                                 if (err < 0)
2009                                         return err;
2010                                 chip->dxs_controls[i] = kctl;
2011                         }
2012                 }
2013         }
2014         /* select spdif data slot 10/11 */
2015         pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val);
2016         val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011;
2017         val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */
2018         pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val);
2019
2020         return 0;
2021 }
2022
2023 static int snd_via686_init_misc(struct via82xx *chip)
2024 {
2025         unsigned char legacy, legacy_cfg;
2026         int rev_h = 0;
2027
2028         legacy = chip->old_legacy;
2029         legacy_cfg = chip->old_legacy_cfg;
2030         legacy |= VIA_FUNC_MIDI_IRQMASK;        /* FIXME: correct? (disable MIDI) */
2031         legacy &= ~VIA_FUNC_ENABLE_GAME;        /* disable joystick */
2032         if (chip->revision >= VIA_REV_686_H) {
2033                 rev_h = 1;
2034                 if (mpu_port >= 0x200) {        /* force MIDI */
2035                         mpu_port &= 0xfffc;
2036                         pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01);
2037 #ifdef CONFIG_PM_SLEEP
2038                         chip->mpu_port_saved = mpu_port;
2039 #endif
2040                 } else {
2041                         mpu_port = pci_resource_start(chip->pci, 2);
2042                 }
2043         } else {
2044                 switch (mpu_port) {     /* force MIDI */
2045                 case 0x300:
2046                 case 0x310:
2047                 case 0x320:
2048                 case 0x330:
2049                         legacy_cfg &= ~(3 << 2);
2050                         legacy_cfg |= (mpu_port & 0x0030) >> 2;
2051                         break;
2052                 default:                        /* no, use BIOS settings */
2053                         if (legacy & VIA_FUNC_ENABLE_MIDI)
2054                                 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2);
2055                         break;
2056                 }
2057         }
2058         if (mpu_port >= 0x200 &&
2059             (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401"))
2060             != NULL) {
2061                 if (rev_h)
2062                         legacy |= VIA_FUNC_MIDI_PNP;    /* enable PCI I/O 2 */
2063                 legacy |= VIA_FUNC_ENABLE_MIDI;
2064         } else {
2065                 if (rev_h)
2066                         legacy &= ~VIA_FUNC_MIDI_PNP;   /* disable PCI I/O 2 */
2067                 legacy &= ~VIA_FUNC_ENABLE_MIDI;
2068                 mpu_port = 0;
2069         }
2070
2071         pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy);
2072         pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg);
2073         if (chip->mpu_res) {
2074                 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A,
2075                                         mpu_port, MPU401_INFO_INTEGRATED |
2076                                         MPU401_INFO_IRQ_HOOK, -1,
2077                                         &chip->rmidi) < 0) {
2078                         dev_warn(chip->card->dev,
2079                                  "unable to initialize MPU-401 at 0x%lx, skipping\n",
2080                                  mpu_port);
2081                         legacy &= ~VIA_FUNC_ENABLE_MIDI;
2082                 } else {
2083                         legacy &= ~VIA_FUNC_MIDI_IRQMASK;       /* enable MIDI interrupt */
2084                 }
2085                 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy);
2086         }
2087
2088         snd_via686_create_gameport(chip, &legacy);
2089
2090 #ifdef CONFIG_PM_SLEEP
2091         chip->legacy_saved = legacy;
2092         chip->legacy_cfg_saved = legacy_cfg;
2093 #endif
2094
2095         return 0;
2096 }
2097
2098
2099 /*
2100  * proc interface
2101  */
2102 static void snd_via82xx_proc_read(struct snd_info_entry *entry,
2103                                   struct snd_info_buffer *buffer)
2104 {
2105         struct via82xx *chip = entry->private_data;
2106         int i;
2107
2108         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
2109         for (i = 0; i < 0xa0; i += 4) {
2110                 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i));
2111         }
2112 }
2113
2114 static void snd_via82xx_proc_init(struct via82xx *chip)
2115 {
2116         snd_card_ro_proc_new(chip->card, "via82xx", chip,
2117                              snd_via82xx_proc_read);
2118 }
2119
2120 /*
2121  *
2122  */
2123
2124 static int snd_via82xx_chip_init(struct via82xx *chip)
2125 {
2126         unsigned int val;
2127         unsigned long end_time;
2128         unsigned char pval;
2129
2130 #if 0 /* broken on K7M? */
2131         if (chip->chip_type == TYPE_VIA686)
2132                 /* disable all legacy ports */
2133                 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0);
2134 #endif
2135         pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval);
2136         if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */
2137                 /* deassert ACLink reset, force SYNC */
2138                 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL,
2139                                       VIA_ACLINK_CTRL_ENABLE |
2140                                       VIA_ACLINK_CTRL_RESET |
2141                                       VIA_ACLINK_CTRL_SYNC);
2142                 udelay(100);
2143 #if 1 /* FIXME: should we do full reset here for all chip models? */
2144                 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00);
2145                 udelay(100);
2146 #else
2147                 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */
2148                 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL,
2149                                       VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC);
2150                 udelay(2);
2151 #endif
2152                 /* ACLink on, deassert ACLink reset, VSR, SGD data out */
2153                 /* note - FM data out has trouble with non VRA codecs !! */
2154                 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT);
2155                 udelay(100);
2156         }
2157
2158         /* Make sure VRA is enabled, in case we didn't do a
2159          * complete codec reset, above */
2160         pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval);
2161         if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) {
2162                 /* ACLink on, deassert ACLink reset, VSR, SGD data out */
2163                 /* note - FM data out has trouble with non VRA codecs !! */
2164                 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT);
2165                 udelay(100);
2166         }
2167
2168         /* wait until codec ready */
2169         end_time = jiffies + msecs_to_jiffies(750);
2170         do {
2171                 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval);
2172                 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */
2173                         break;
2174                 schedule_timeout_uninterruptible(1);
2175         } while (time_before(jiffies, end_time));
2176
2177         if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)
2178                 dev_err(chip->card->dev,
2179                         "AC'97 codec is not ready [0x%x]\n", val);
2180
2181 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */
2182         snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ |
2183                                  VIA_REG_AC97_SECONDARY_VALID |
2184                                  (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT));
2185         end_time = jiffies + msecs_to_jiffies(750);
2186         snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ |
2187                                  VIA_REG_AC97_SECONDARY_VALID |
2188                                  (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT));
2189         do {
2190                 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) {
2191                         chip->ac97_secondary = 1;
2192                         goto __ac97_ok2;
2193                 }
2194                 schedule_timeout_uninterruptible(1);
2195         } while (time_before(jiffies, end_time));
2196         /* This is ok, the most of motherboards have only one codec */
2197
2198       __ac97_ok2:
2199 #endif
2200
2201         if (chip->chip_type == TYPE_VIA686) {
2202                 /* route FM trap to IRQ, disable FM trap */
2203                 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0);
2204                 /* disable all GPI interrupts */
2205                 outl(0, VIAREG(chip, GPI_INTR));
2206         }
2207
2208         if (chip->chip_type != TYPE_VIA686) {
2209                 /* Workaround for Award BIOS bug:
2210                  * DXS channels don't work properly with VRA if MC97 is disabled.
2211                  */
2212                 struct pci_dev *pci;
2213                 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */
2214                 if (pci) {
2215                         unsigned char data;
2216                         pci_read_config_byte(pci, 0x44, &data);
2217                         pci_write_config_byte(pci, 0x44, data | 0x40);
2218                         pci_dev_put(pci);
2219                 }
2220         }
2221
2222         if (chip->chip_type != TYPE_VIA8233A) {
2223                 int i, idx;
2224                 for (idx = 0; idx < 4; idx++) {
2225                         unsigned long port = chip->port + 0x10 * idx;
2226                         for (i = 0; i < 2; i++) {
2227                                 chip->playback_volume[idx][i]=chip->playback_volume_c[i];
2228                                 outb(chip->playback_volume_c[i],
2229                                      port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i);
2230                         }
2231                 }
2232         }
2233
2234         return 0;
2235 }
2236
2237 #ifdef CONFIG_PM_SLEEP
2238 /*
2239  * power management
2240  */
2241 static int snd_via82xx_suspend(struct device *dev)
2242 {
2243         struct snd_card *card = dev_get_drvdata(dev);
2244         struct via82xx *chip = card->private_data;
2245         int i;
2246
2247         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2248         for (i = 0; i < chip->num_devs; i++)
2249                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
2250         snd_ac97_suspend(chip->ac97);
2251
2252         /* save misc values */
2253         if (chip->chip_type != TYPE_VIA686) {
2254                 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved);
2255                 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL);
2256                 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
2257         }
2258
2259         return 0;
2260 }
2261
2262 static int snd_via82xx_resume(struct device *dev)
2263 {
2264         struct snd_card *card = dev_get_drvdata(dev);
2265         struct via82xx *chip = card->private_data;
2266         int i;
2267
2268         snd_via82xx_chip_init(chip);
2269
2270         if (chip->chip_type == TYPE_VIA686) {
2271                 if (chip->mpu_port_saved)
2272                         pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01);
2273                 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved);
2274                 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved);
2275         } else {
2276                 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved);
2277                 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL);
2278                 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
2279         }
2280
2281         snd_ac97_resume(chip->ac97);
2282
2283         for (i = 0; i < chip->num_devs; i++)
2284                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
2285
2286         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2287         return 0;
2288 }
2289
2290 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume);
2291 #define SND_VIA82XX_PM_OPS      &snd_via82xx_pm
2292 #else
2293 #define SND_VIA82XX_PM_OPS      NULL
2294 #endif /* CONFIG_PM_SLEEP */
2295
2296 static int snd_via82xx_free(struct via82xx *chip)
2297 {
2298         unsigned int i;
2299
2300         if (chip->irq < 0)
2301                 goto __end_hw;
2302         /* disable interrupts */
2303         for (i = 0; i < chip->num_devs; i++)
2304                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
2305
2306         if (chip->irq >= 0)
2307                 free_irq(chip->irq, chip);
2308  __end_hw:
2309         release_and_free_resource(chip->mpu_res);
2310         pci_release_regions(chip->pci);
2311
2312         if (chip->chip_type == TYPE_VIA686) {
2313                 snd_via686_free_gameport(chip);
2314                 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy);
2315                 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg);
2316         }
2317         pci_disable_device(chip->pci);
2318         kfree(chip);
2319         return 0;
2320 }
2321
2322 static int snd_via82xx_dev_free(struct snd_device *device)
2323 {
2324         struct via82xx *chip = device->device_data;
2325         return snd_via82xx_free(chip);
2326 }
2327
2328 static int snd_via82xx_create(struct snd_card *card,
2329                               struct pci_dev *pci,
2330                               int chip_type,
2331                               int revision,
2332                               unsigned int ac97_clock,
2333                               struct via82xx **r_via)
2334 {
2335         struct via82xx *chip;
2336         int err;
2337         static const struct snd_device_ops ops = {
2338                 .dev_free =     snd_via82xx_dev_free,
2339         };
2340
2341         if ((err = pci_enable_device(pci)) < 0)
2342                 return err;
2343
2344         if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) {
2345                 pci_disable_device(pci);
2346                 return -ENOMEM;
2347         }
2348
2349         chip->chip_type = chip_type;
2350         chip->revision = revision;
2351
2352         spin_lock_init(&chip->reg_lock);
2353         spin_lock_init(&chip->rates[0].lock);
2354         spin_lock_init(&chip->rates[1].lock);
2355         chip->card = card;
2356         chip->pci = pci;
2357         chip->irq = -1;
2358
2359         pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy);
2360         pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg);
2361         pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE,
2362                               chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM));
2363
2364         if ((err = pci_request_regions(pci, card->driver)) < 0) {
2365                 kfree(chip);
2366                 pci_disable_device(pci);
2367                 return err;
2368         }
2369         chip->port = pci_resource_start(pci, 0);
2370         if (request_irq(pci->irq,
2371                         chip_type == TYPE_VIA8233 ?
2372                         snd_via8233_interrupt : snd_via686_interrupt,
2373                         IRQF_SHARED,
2374                         KBUILD_MODNAME, chip)) {
2375                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
2376                 snd_via82xx_free(chip);
2377                 return -EBUSY;
2378         }
2379         chip->irq = pci->irq;
2380         card->sync_irq = chip->irq;
2381         if (ac97_clock >= 8000 && ac97_clock <= 48000)
2382                 chip->ac97_clock = ac97_clock;
2383
2384         if ((err = snd_via82xx_chip_init(chip)) < 0) {
2385                 snd_via82xx_free(chip);
2386                 return err;
2387         }
2388
2389         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
2390                 snd_via82xx_free(chip);
2391                 return err;
2392         }
2393
2394         /* The 8233 ac97 controller does not implement the master bit
2395          * in the pci command register. IMHO this is a violation of the PCI spec.
2396          * We call pci_set_master here because it does not hurt. */
2397         pci_set_master(pci);
2398
2399         *r_via = chip;
2400         return 0;
2401 }
2402
2403 struct via823x_info {
2404         int revision;
2405         char *name;
2406         int type;
2407 };
2408 static const struct via823x_info via823x_cards[] = {
2409         { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 },
2410         { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 },
2411         { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 },
2412         { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A },
2413         { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 },
2414         { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 },
2415         { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 },
2416 };
2417
2418 /*
2419  * auto detection of DXS channel supports.
2420  */
2421
2422 static const struct snd_pci_quirk dxs_whitelist[] = {
2423         SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE),
2424         SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K),
2425         SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA),
2426         SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA),
2427         SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC),
2428         SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC),
2429         SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA),
2430         SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC),
2431         SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA),
2432         SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA),
2433         SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE),
2434         SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC),
2435         SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC),
2436         SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC),
2437         SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC),
2438         SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE),
2439         SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE),
2440         SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE),
2441         SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE),
2442         SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC),
2443         SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE),
2444         SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE),
2445         SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE),
2446         SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA),
2447         SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE),
2448         SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC),
2449         SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC),
2450         SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE),
2451         SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA),
2452         SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA),
2453         SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K),
2454         SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE),
2455         SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE),
2456         SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC),
2457         SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC),
2458         SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC),
2459         SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA),
2460         SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC),
2461         SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8",  VIA_DXS_NO_VRA),
2462         SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC),
2463         { } /* terminator */
2464 };
2465
2466 static int check_dxs_list(struct pci_dev *pci, int revision)
2467 {
2468         const struct snd_pci_quirk *w;
2469
2470         w = snd_pci_quirk_lookup(pci, dxs_whitelist);
2471         if (w) {
2472                 dev_dbg(&pci->dev, "DXS white list for %s found\n",
2473                             snd_pci_quirk_name(w));
2474                 return w->value;
2475         }
2476
2477         /* for newer revision, default to DXS_SRC */
2478         if (revision >= VIA_REV_8235)
2479                 return VIA_DXS_SRC;
2480
2481         /*
2482          * not detected, try 48k rate only to be sure.
2483          */
2484         dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n");
2485         dev_info(&pci->dev, "         Please try dxs_support=5 option\n");
2486         dev_info(&pci->dev, "         and report if it works on your machine.\n");
2487         dev_info(&pci->dev, "         For more details, read ALSA-Configuration.txt.\n");
2488         return VIA_DXS_48K;
2489 };
2490
2491 static int snd_via82xx_probe(struct pci_dev *pci,
2492                              const struct pci_device_id *pci_id)
2493 {
2494         struct snd_card *card;
2495         struct via82xx *chip;
2496         int chip_type = 0, card_type;
2497         unsigned int i;
2498         int err;
2499
2500         err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
2501         if (err < 0)
2502                 return err;
2503
2504         card_type = pci_id->driver_data;
2505         switch (card_type) {
2506         case TYPE_CARD_VIA686:
2507                 strcpy(card->driver, "VIA686A");
2508                 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision);
2509                 chip_type = TYPE_VIA686;
2510                 break;
2511         case TYPE_CARD_VIA8233:
2512                 chip_type = TYPE_VIA8233;
2513                 sprintf(card->shortname, "VIA 823x rev%x", pci->revision);
2514                 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) {
2515                         if (pci->revision == via823x_cards[i].revision) {
2516                                 chip_type = via823x_cards[i].type;
2517                                 strcpy(card->shortname, via823x_cards[i].name);
2518                                 break;
2519                         }
2520                 }
2521                 if (chip_type != TYPE_VIA8233A) {
2522                         if (dxs_support == VIA_DXS_AUTO)
2523                                 dxs_support = check_dxs_list(pci, pci->revision);
2524                         /* force to use VIA8233 or 8233A model according to
2525                          * dxs_support module option
2526                          */
2527                         if (dxs_support == VIA_DXS_DISABLE)
2528                                 chip_type = TYPE_VIA8233A;
2529                         else
2530                                 chip_type = TYPE_VIA8233;
2531                 }
2532                 if (chip_type == TYPE_VIA8233A)
2533                         strcpy(card->driver, "VIA8233A");
2534                 else if (pci->revision >= VIA_REV_8237)
2535                         strcpy(card->driver, "VIA8237"); /* no slog assignment */
2536                 else
2537                         strcpy(card->driver, "VIA8233");
2538                 break;
2539         default:
2540                 dev_err(card->dev, "invalid card type %d\n", card_type);
2541                 err = -EINVAL;
2542                 goto __error;
2543         }
2544
2545         if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision,
2546                                       ac97_clock, &chip)) < 0)
2547                 goto __error;
2548         card->private_data = chip;
2549         if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0)
2550                 goto __error;
2551
2552         if (chip_type == TYPE_VIA686) {
2553                 if ((err = snd_via686_pcm_new(chip)) < 0 ||
2554                     (err = snd_via686_init_misc(chip)) < 0)
2555                         goto __error;
2556         } else {
2557                 if (chip_type == TYPE_VIA8233A) {
2558                         if ((err = snd_via8233a_pcm_new(chip)) < 0)
2559                                 goto __error;
2560                         // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */
2561                 } else {
2562                         if ((err = snd_via8233_pcm_new(chip)) < 0)
2563                                 goto __error;
2564                         if (dxs_support == VIA_DXS_48K)
2565                                 chip->dxs_fixed = 1;
2566                         else if (dxs_support == VIA_DXS_NO_VRA)
2567                                 chip->no_vra = 1;
2568                         else if (dxs_support == VIA_DXS_SRC) {
2569                                 chip->no_vra = 1;
2570                                 chip->dxs_src = 1;
2571                         }
2572                 }
2573                 if ((err = snd_via8233_init_misc(chip)) < 0)
2574                         goto __error;
2575         }
2576
2577         /* disable interrupts */
2578         for (i = 0; i < chip->num_devs; i++)
2579                 snd_via82xx_channel_reset(chip, &chip->devs[i]);
2580
2581         snprintf(card->longname, sizeof(card->longname),
2582                  "%s with %s at %#lx, irq %d", card->shortname,
2583                  snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq);
2584
2585         snd_via82xx_proc_init(chip);
2586
2587         if ((err = snd_card_register(card)) < 0) {
2588                 snd_card_free(card);
2589                 return err;
2590         }
2591         pci_set_drvdata(pci, card);
2592         return 0;
2593
2594  __error:
2595         snd_card_free(card);
2596         return err;
2597 }
2598
2599 static void snd_via82xx_remove(struct pci_dev *pci)
2600 {
2601         snd_card_free(pci_get_drvdata(pci));
2602 }
2603
2604 static struct pci_driver via82xx_driver = {
2605         .name = KBUILD_MODNAME,
2606         .id_table = snd_via82xx_ids,
2607         .probe = snd_via82xx_probe,
2608         .remove = snd_via82xx_remove,
2609         .driver = {
2610                 .pm = SND_VIA82XX_PM_OPS,
2611         },
2612 };
2613
2614 module_pci_driver(via82xx_driver);