sound/pci/intel8x0.c

   1 /*
   2  *   ALSA driver for Intel ICH (i8x0) chipsets
   3  *
   4  *      Copyright (c) 2000 Jaroslav Kysela <[email protected]>
   5  *
   6  *
   7  *   This code also contains alpha support for SiS 735 chipsets provided
   8  *   by Mike Pieper <[email protected]>. We have no datasheet
   9  *   for SiS735, so the code is not fully functional.
  10  *
  11  *
  12  *   This program is free software; you can redistribute it and/or modify
  13  *   it under the terms of the GNU General Public License as published by
  14  *   the Free Software Foundation; either version 2 of the License, or
  15  *   (at your option) any later version.
  16  *
  17  *   This program is distributed in the hope that it will be useful,
  18  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *   GNU General Public License for more details.
  21  *
  22  *   You should have received a copy of the GNU General Public License
  23  *   along with this program; if not, write to the Free Software
  24  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25
  26  *
  27  */
  28
  29 #include <asm/io.h>
  30 #include <linux/delay.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/init.h>
  33 #include <linux/pci.h>
  34 #include <linux/slab.h>
  35 #include <linux/module.h>
  36 #include <sound/core.h>
  37 #include <sound/pcm.h>
  38 #include <sound/ac97_codec.h>
  39 #include <sound/info.h>
  40 #include <sound/initval.h>
  41 /* for 440MX workaround */
  42 #include <asm/pgtable.h>
  43 #include <asm/cacheflush.h>
  44
  45 #ifdef CONFIG_KVM_GUEST
  46 #include <linux/kvm_para.h>
  47 #else
  48 #define kvm_para_available() (0)
  49 #endif
  50
  51 MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
  52 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  53 MODULE_LICENSE("GPL");
  54 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
  55                 "{Intel,82901AB-ICH0},"
  56                 "{Intel,82801BA-ICH2},"
  57                 "{Intel,82801CA-ICH3},"
  58                 "{Intel,82801DB-ICH4},"
  59                 "{Intel,ICH5},"
  60                 "{Intel,ICH6},"
  61                 "{Intel,ICH7},"
  62                 "{Intel,6300ESB},"
  63                 "{Intel,ESB2},"
  64                 "{Intel,MX440},"
  65                 "{SiS,SI7012},"
  66                 "{NVidia,nForce Audio},"
  67                 "{NVidia,nForce2 Audio},"
  68                 "{NVidia,nForce3 Audio},"
  69                 "{NVidia,MCP04},"
  70                 "{NVidia,MCP501},"
  71                 "{NVidia,CK804},"
  72                 "{NVidia,CK8},"
  73                 "{NVidia,CK8S},"
  74                 "{AMD,AMD768},"
  75                 "{AMD,AMD8111},"
  76                 "{ALI,M5455}}");
  77
  78 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  79 static char *id = SNDRV_DEFAULT_STR1;   /* ID for this card */
  80 static int ac97_clock;
  81 static char *ac97_quirk;
  82 static bool buggy_semaphore;
  83 static int buggy_irq = -1; /* auto-check */
  84 static bool xbox;
  85 static int spdif_aclink = -1;
  86 static int inside_vm = -1;
  87
  88 module_param(index, int, 0444);
  89 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  90 module_param(id, charp, 0444);
  91 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  92 module_param(ac97_clock, int, 0444);
  93 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
  94 module_param(ac97_quirk, charp, 0444);
  95 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  96 module_param(buggy_semaphore, bool, 0444);
  97 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  98 module_param(buggy_irq, bint, 0444);
  99 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
 100 module_param(xbox, bool, 0444);
 101 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
 102 module_param(spdif_aclink, int, 0444);
 103 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
 104 module_param(inside_vm, bint, 0444);
 105 MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
 106
 107 /* just for backward compatibility */
 108 static bool enable;
 109 module_param(enable, bool, 0444);
 110 static int joystick;
 111 module_param(joystick, int, 0444);
 112
 113 /*
 114  *  Direct registers
 115  */
 116 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
 117
 118 #define ICHREG(x) ICH_REG_##x
 119
 120 #define DEFINE_REGSET(name,base) \
 121 enum { \
 122         ICH_REG_##name##_BDBAR  = base + 0x0,   /* dword - buffer descriptor list base address */ \
 123         ICH_REG_##name##_CIV    = base + 0x04,  /* byte - current index value */ \
 124         ICH_REG_##name##_LVI    = base + 0x05,  /* byte - last valid index */ \
 125         ICH_REG_##name##_SR     = base + 0x06,  /* byte - status register */ \
 126         ICH_REG_##name##_PICB   = base + 0x08,  /* word - position in current buffer */ \
 127         ICH_REG_##name##_PIV    = base + 0x0a,  /* byte - prefetched index value */ \
 128         ICH_REG_##name##_CR     = base + 0x0b,  /* byte - control register */ \
 129 };
 130
 131 /* busmaster blocks */
 132 DEFINE_REGSET(OFF, 0);          /* offset */
 133 DEFINE_REGSET(PI, 0x00);        /* PCM in */
 134 DEFINE_REGSET(PO, 0x10);        /* PCM out */
 135 DEFINE_REGSET(MC, 0x20);        /* Mic in */
 136
 137 /* ICH4 busmaster blocks */
 138 DEFINE_REGSET(MC2, 0x40);       /* Mic in 2 */
 139 DEFINE_REGSET(PI2, 0x50);       /* PCM in 2 */
 140 DEFINE_REGSET(SP, 0x60);        /* SPDIF out */
 141
 142 /* values for each busmaster block */
 143
 144 /* LVI */
 145 #define ICH_REG_LVI_MASK                0x1f
 146
 147 /* SR */
 148 #define ICH_FIFOE                       0x10    /* FIFO error */
 149 #define ICH_BCIS                        0x08    /* buffer completion interrupt status */
 150 #define ICH_LVBCI                       0x04    /* last valid buffer completion interrupt */
 151 #define ICH_CELV                        0x02    /* current equals last valid */
 152 #define ICH_DCH                         0x01    /* DMA controller halted */
 153
 154 /* PIV */
 155 #define ICH_REG_PIV_MASK                0x1f    /* mask */
 156
 157 /* CR */
 158 #define ICH_IOCE                        0x10    /* interrupt on completion enable */
 159 #define ICH_FEIE                        0x08    /* fifo error interrupt enable */
 160 #define ICH_LVBIE                       0x04    /* last valid buffer interrupt enable */
 161 #define ICH_RESETREGS                   0x02    /* reset busmaster registers */
 162 #define ICH_STARTBM                     0x01    /* start busmaster operation */
 163
 164
 165 /* global block */
 166 #define ICH_REG_GLOB_CNT                0x2c    /* dword - global control */
 167 #define   ICH_PCM_SPDIF_MASK    0xc0000000      /* s/pdif pcm slot mask (ICH4) */
 168 #define   ICH_PCM_SPDIF_NONE    0x00000000      /* reserved - undefined */
 169 #define   ICH_PCM_SPDIF_78      0x40000000      /* s/pdif pcm on slots 7&8 */
 170 #define   ICH_PCM_SPDIF_69      0x80000000      /* s/pdif pcm on slots 6&9 */
 171 #define   ICH_PCM_SPDIF_1011    0xc0000000      /* s/pdif pcm on slots 10&11 */
 172 #define   ICH_PCM_20BIT         0x00400000      /* 20-bit samples (ICH4) */
 173 #define   ICH_PCM_246_MASK      0x00300000      /* chan mask (not all chips) */
 174 #define   ICH_PCM_8             0x00300000      /* 8 channels (not all chips) */
 175 #define   ICH_PCM_6             0x00200000      /* 6 channels (not all chips) */
 176 #define   ICH_PCM_4             0x00100000      /* 4 channels (not all chips) */
 177 #define   ICH_PCM_2             0x00000000      /* 2 channels (stereo) */
 178 #define   ICH_SIS_PCM_246_MASK  0x000000c0      /* 6 channels (SIS7012) */
 179 #define   ICH_SIS_PCM_6         0x00000080      /* 6 channels (SIS7012) */
 180 #define   ICH_SIS_PCM_4         0x00000040      /* 4 channels (SIS7012) */
 181 #define   ICH_SIS_PCM_2         0x00000000      /* 2 channels (SIS7012) */
 182 #define   ICH_TRIE              0x00000040      /* tertiary resume interrupt enable */
 183 #define   ICH_SRIE              0x00000020      /* secondary resume interrupt enable */
 184 #define   ICH_PRIE              0x00000010      /* primary resume interrupt enable */
 185 #define   ICH_ACLINK            0x00000008      /* AClink shut off */
 186 #define   ICH_AC97WARM          0x00000004      /* AC'97 warm reset */
 187 #define   ICH_AC97COLD          0x00000002      /* AC'97 cold reset */
 188 #define   ICH_GIE               0x00000001      /* GPI interrupt enable */
 189 #define ICH_REG_GLOB_STA                0x30    /* dword - global status */
 190 #define   ICH_TRI               0x20000000      /* ICH4: tertiary (AC_SDIN2) resume interrupt */
 191 #define   ICH_TCR               0x10000000      /* ICH4: tertiary (AC_SDIN2) codec ready */
 192 #define   ICH_BCS               0x08000000      /* ICH4: bit clock stopped */
 193 #define   ICH_SPINT             0x04000000      /* ICH4: S/PDIF interrupt */
 194 #define   ICH_P2INT             0x02000000      /* ICH4: PCM2-In interrupt */
 195 #define   ICH_M2INT             0x01000000      /* ICH4: Mic2-In interrupt */
 196 #define   ICH_SAMPLE_CAP        0x00c00000      /* ICH4: sample capability bits (RO) */
 197 #define   ICH_SAMPLE_16_20      0x00400000      /* ICH4: 16- and 20-bit samples */
 198 #define   ICH_MULTICHAN_CAP     0x00300000      /* ICH4: multi-channel capability bits (RO) */
 199 #define   ICH_SIS_TRI           0x00080000      /* SIS: tertiary resume irq */
 200 #define   ICH_SIS_TCR           0x00040000      /* SIS: tertiary codec ready */
 201 #define   ICH_MD3               0x00020000      /* modem power down semaphore */
 202 #define   ICH_AD3               0x00010000      /* audio power down semaphore */
 203 #define   ICH_RCS               0x00008000      /* read completion status */
 204 #define   ICH_BIT3              0x00004000      /* bit 3 slot 12 */
 205 #define   ICH_BIT2              0x00002000      /* bit 2 slot 12 */
 206 #define   ICH_BIT1              0x00001000      /* bit 1 slot 12 */
 207 #define   ICH_SRI               0x00000800      /* secondary (AC_SDIN1) resume interrupt */
 208 #define   ICH_PRI               0x00000400      /* primary (AC_SDIN0) resume interrupt */
 209 #define   ICH_SCR               0x00000200      /* secondary (AC_SDIN1) codec ready */
 210 #define   ICH_PCR               0x00000100      /* primary (AC_SDIN0) codec ready */
 211 #define   ICH_MCINT             0x00000080      /* MIC capture interrupt */
 212 #define   ICH_POINT             0x00000040      /* playback interrupt */
 213 #define   ICH_PIINT             0x00000020      /* capture interrupt */
 214 #define   ICH_NVSPINT           0x00000010      /* nforce spdif interrupt */
 215 #define   ICH_MOINT             0x00000004      /* modem playback interrupt */
 216 #define   ICH_MIINT             0x00000002      /* modem capture interrupt */
 217 #define   ICH_GSCI              0x00000001      /* GPI status change interrupt */
 218 #define ICH_REG_ACC_SEMA                0x34    /* byte - codec write semaphore */
 219 #define   ICH_CAS               0x01            /* codec access semaphore */
 220 #define ICH_REG_SDM             0x80
 221 #define   ICH_DI2L_MASK         0x000000c0      /* PCM In 2, Mic In 2 data in line */
 222 #define   ICH_DI2L_SHIFT        6
 223 #define   ICH_DI1L_MASK         0x00000030      /* PCM In 1, Mic In 1 data in line */
 224 #define   ICH_DI1L_SHIFT        4
 225 #define   ICH_SE                0x00000008      /* steer enable */
 226 #define   ICH_LDI_MASK          0x00000003      /* last codec read data input */
 227
 228 #define ICH_MAX_FRAGS           32              /* max hw frags */
 229
 230
 231 /*
 232  * registers for Ali5455
 233  */
 234
 235 /* ALi 5455 busmaster blocks */
 236 DEFINE_REGSET(AL_PI, 0x40);     /* ALi PCM in */
 237 DEFINE_REGSET(AL_PO, 0x50);     /* Ali PCM out */
 238 DEFINE_REGSET(AL_MC, 0x60);     /* Ali Mic in */
 239 DEFINE_REGSET(AL_CDC_SPO, 0x70);        /* Ali Codec SPDIF out */
 240 DEFINE_REGSET(AL_CENTER, 0x80);         /* Ali center out */
 241 DEFINE_REGSET(AL_LFE, 0x90);            /* Ali center out */
 242 DEFINE_REGSET(AL_CLR_SPI, 0xa0);        /* Ali Controller SPDIF in */
 243 DEFINE_REGSET(AL_CLR_SPO, 0xb0);        /* Ali Controller SPDIF out */
 244 DEFINE_REGSET(AL_I2S, 0xc0);    /* Ali I2S in */
 245 DEFINE_REGSET(AL_PI2, 0xd0);    /* Ali PCM2 in */
 246 DEFINE_REGSET(AL_MC2, 0xe0);    /* Ali Mic2 in */
 247
 248 enum {
 249         ICH_REG_ALI_SCR = 0x00,         /* System Control Register */
 250         ICH_REG_ALI_SSR = 0x04,         /* System Status Register  */
 251         ICH_REG_ALI_DMACR = 0x08,       /* DMA Control Register    */
 252         ICH_REG_ALI_FIFOCR1 = 0x0c,     /* FIFO Control Register 1  */
 253         ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
 254         ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
 255         ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt  Status Register */
 256         ICH_REG_ALI_FIFOCR2 = 0x1c,     /* FIFO Control Register 2   */
 257         ICH_REG_ALI_CPR = 0x20,         /* Command Port Register     */
 258         ICH_REG_ALI_CPR_ADDR = 0x22,    /* ac97 addr write */
 259         ICH_REG_ALI_SPR = 0x24,         /* Status Port Register      */
 260         ICH_REG_ALI_SPR_ADDR = 0x26,    /* ac97 addr read */
 261         ICH_REG_ALI_FIFOCR3 = 0x2c,     /* FIFO Control Register 3  */
 262         ICH_REG_ALI_TTSR = 0x30,        /* Transmit Tag Slot Register */
 263         ICH_REG_ALI_RTSR = 0x34,        /* Receive Tag Slot  Register */
 264         ICH_REG_ALI_CSPSR = 0x38,       /* Command/Status Port Status Register */
 265         ICH_REG_ALI_CAS = 0x3c,         /* Codec Write Semaphore Register */
 266         ICH_REG_ALI_HWVOL = 0xf0,       /* hardware volume control/status */
 267         ICH_REG_ALI_I2SCR = 0xf4,       /* I2S control/status */
 268         ICH_REG_ALI_SPDIFCSR = 0xf8,    /* spdif channel status register  */
 269         ICH_REG_ALI_SPDIFICS = 0xfc,    /* spdif interface control/status  */
 270 };
 271
 272 #define ALI_CAS_SEM_BUSY        0x80000000
 273 #define ALI_CPR_ADDR_SECONDARY  0x100
 274 #define ALI_CPR_ADDR_READ       0x80
 275 #define ALI_CSPSR_CODEC_READY   0x08
 276 #define ALI_CSPSR_READ_OK       0x02
 277 #define ALI_CSPSR_WRITE_OK      0x01
 278
 279 /* interrupts for the whole chip by interrupt status register finish */
 280
 281 #define ALI_INT_MICIN2          (1<<26)
 282 #define ALI_INT_PCMIN2          (1<<25)
 283 #define ALI_INT_I2SIN           (1<<24)
 284 #define ALI_INT_SPDIFOUT        (1<<23) /* controller spdif out INTERRUPT */
 285 #define ALI_INT_SPDIFIN         (1<<22)
 286 #define ALI_INT_LFEOUT          (1<<21)
 287 #define ALI_INT_CENTEROUT       (1<<20)
 288 #define ALI_INT_CODECSPDIFOUT   (1<<19)
 289 #define ALI_INT_MICIN           (1<<18)
 290 #define ALI_INT_PCMOUT          (1<<17)
 291 #define ALI_INT_PCMIN           (1<<16)
 292 #define ALI_INT_CPRAIS          (1<<7)  /* command port available */
 293 #define ALI_INT_SPRAIS          (1<<5)  /* status port available */
 294 #define ALI_INT_GPIO            (1<<1)
 295 #define ALI_INT_MASK            (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 296                                  ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 297
 298 #define ICH_ALI_SC_RESET        (1<<31) /* master reset */
 299 #define ICH_ALI_SC_AC97_DBL     (1<<30)
 300 #define ICH_ALI_SC_CODEC_SPDF   (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
 301 #define ICH_ALI_SC_IN_BITS      (3<<18)
 302 #define ICH_ALI_SC_OUT_BITS     (3<<16)
 303 #define ICH_ALI_SC_6CH_CFG      (3<<14)
 304 #define ICH_ALI_SC_PCM_4        (1<<8)
 305 #define ICH_ALI_SC_PCM_6        (2<<8)
 306 #define ICH_ALI_SC_PCM_246_MASK (3<<8)
 307
 308 #define ICH_ALI_SS_SEC_ID       (3<<5)
 309 #define ICH_ALI_SS_PRI_ID       (3<<3)
 310
 311 #define ICH_ALI_IF_AC97SP       (1<<21)
 312 #define ICH_ALI_IF_MC           (1<<20)
 313 #define ICH_ALI_IF_PI           (1<<19)
 314 #define ICH_ALI_IF_MC2          (1<<18)
 315 #define ICH_ALI_IF_PI2          (1<<17)
 316 #define ICH_ALI_IF_LINE_SRC     (1<<15) /* 0/1 = slot 3/6 */
 317 #define ICH_ALI_IF_MIC_SRC      (1<<14) /* 0/1 = slot 3/6 */
 318 #define ICH_ALI_IF_SPDF_SRC     (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 319 #define ICH_ALI_IF_AC97_OUT     (3<<8)  /* 00 = PCM, 10 = spdif-in, 11 = i2s */
 320 #define ICH_ALI_IF_PO_SPDF      (1<<3)
 321 #define ICH_ALI_IF_PO           (1<<1)
 322
 323 /*
 324  *
 325  */
 326
 327 enum {
 328         ICHD_PCMIN,
 329         ICHD_PCMOUT,
 330         ICHD_MIC,
 331         ICHD_MIC2,
 332         ICHD_PCM2IN,
 333         ICHD_SPBAR,
 334         ICHD_LAST = ICHD_SPBAR
 335 };
 336 enum {
 337         NVD_PCMIN,
 338         NVD_PCMOUT,
 339         NVD_MIC,
 340         NVD_SPBAR,
 341         NVD_LAST = NVD_SPBAR
 342 };
 343 enum {
 344         ALID_PCMIN,
 345         ALID_PCMOUT,
 346         ALID_MIC,
 347         ALID_AC97SPDIFOUT,
 348         ALID_SPDIFIN,
 349         ALID_SPDIFOUT,
 350         ALID_LAST = ALID_SPDIFOUT
 351 };
 352
 353 #define get_ichdev(substream) (substream->runtime->private_data)
 354
 355 struct ichdev {
 356         unsigned int ichd;                      /* ich device number */
 357         unsigned long reg_offset;               /* offset to bmaddr */
 358         u32 *bdbar;                             /* CPU address (32bit) */
 359         unsigned int bdbar_addr;                /* PCI bus address (32bit) */
 360         struct snd_pcm_substream *substream;
 361         unsigned int physbuf;                   /* physical address (32bit) */
 362         unsigned int size;
 363         unsigned int fragsize;
 364         unsigned int fragsize1;
 365         unsigned int position;
 366         unsigned int pos_shift;
 367         unsigned int last_pos;
 368         int frags;
 369         int lvi;
 370         int lvi_frag;
 371         int civ;
 372         int ack;
 373         int ack_reload;
 374         unsigned int ack_bit;
 375         unsigned int roff_sr;
 376         unsigned int roff_picb;
 377         unsigned int int_sta_mask;              /* interrupt status mask */
 378         unsigned int ali_slot;                  /* ALI DMA slot */
 379         struct ac97_pcm *pcm;
 380         int pcm_open_flag;
 381         unsigned int page_attr_changed: 1;
 382         unsigned int suspended: 1;
 383 };
 384
 385 struct intel8x0 {
 386         unsigned int device_type;
 387
 388         int irq;
 389
 390         void __iomem *addr;
 391         void __iomem *bmaddr;
 392
 393         struct pci_dev *pci;
 394         struct snd_card *card;
 395
 396         int pcm_devs;
 397         struct snd_pcm *pcm[6];
 398         struct ichdev ichd[6];
 399
 400         unsigned multi4: 1,
 401                  multi6: 1,
 402                  multi8 :1,
 403                  dra: 1,
 404                  smp20bit: 1;
 405         unsigned in_ac97_init: 1,
 406                  in_sdin_init: 1;
 407         unsigned in_measurement: 1;     /* during ac97 clock measurement */
 408         unsigned fix_nocache: 1;        /* workaround for 440MX */
 409         unsigned buggy_irq: 1;          /* workaround for buggy mobos */
 410         unsigned xbox: 1;               /* workaround for Xbox AC'97 detection */
 411         unsigned buggy_semaphore: 1;    /* workaround for buggy codec semaphore */
 412         unsigned inside_vm: 1;          /* enable VM optimization */
 413
 414         int spdif_idx;  /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 415         unsigned int sdm_saved; /* SDM reg value */
 416
 417         struct snd_ac97_bus *ac97_bus;
 418         struct snd_ac97 *ac97[3];
 419         unsigned int ac97_sdin[3];
 420         unsigned int max_codecs, ncodecs;
 421         unsigned int *codec_bit;
 422         unsigned int codec_isr_bits;
 423         unsigned int codec_ready_bits;
 424
 425         spinlock_t reg_lock;
 426
 427         u32 bdbars_count;
 428         struct snd_dma_buffer bdbars;
 429         u32 int_sta_reg;                /* interrupt status register */
 430         u32 int_sta_mask;               /* interrupt status mask */
 431 };
 432
 433 static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = {
 434         { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },   /* 82801AA */
 435         { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },   /* 82901AB */
 436         { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },   /* 82801BA */
 437         { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },   /* ICH3 */
 438         { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 439         { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 440         { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 441         { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 442         { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 443         { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 444         { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },   /* 440MX */
 445         { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },        /* SI7012 */
 446         { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */
 447         { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */
 448         { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */
 449         { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */
 450         { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */
 451         { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */
 452         { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */
 453         { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */
 454         { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },     /* AMD8111 */
 455         { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },     /* AMD768 */
 456         { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 457         { 0, }
 458 };
 459
 460 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 461
 462 /*
 463  *  Lowlevel I/O - busmaster
 464  */
 465
 466 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 467 {
 468         return ioread8(chip->bmaddr + offset);
 469 }
 470
 471 static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 472 {
 473         return ioread16(chip->bmaddr + offset);
 474 }
 475
 476 static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 477 {
 478         return ioread32(chip->bmaddr + offset);
 479 }
 480
 481 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 482 {
 483         iowrite8(val, chip->bmaddr + offset);
 484 }
 485
 486 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 487 {
 488         iowrite16(val, chip->bmaddr + offset);
 489 }
 490
 491 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 492 {
 493         iowrite32(val, chip->bmaddr + offset);
 494 }
 495
 496 /*
 497  *  Lowlevel I/O - AC'97 registers
 498  */
 499
 500 static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 501 {
 502         return ioread16(chip->addr + offset);
 503 }
 504
 505 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 506 {
 507         iowrite16(val, chip->addr + offset);
 508 }
 509
 510 /*
 511  *  Basic I/O
 512  */
 513
 514 /*
 515  * access to AC97 codec via normal i/o (for ICH and SIS7012)
 516  */
 517
 518 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 519 {
 520         int time;
 521
 522         if (codec > 2)
 523                 return -EIO;
 524         if (chip->in_sdin_init) {
 525                 /* we don't know the ready bit assignment at the moment */
 526                 /* so we check any */
 527                 codec = chip->codec_isr_bits;
 528         } else {
 529                 codec = chip->codec_bit[chip->ac97_sdin[codec]];
 530         }
 531
 532         /* codec ready ? */
 533         if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 534                 return -EIO;
 535
 536         if (chip->buggy_semaphore)
 537                 return 0; /* just ignore ... */
 538
 539         /* Anyone holding a semaphore for 1 msec should be shot... */
 540         time = 100;
 541         do {
 542                 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 543                         return 0;
 544                 udelay(10);
 545         } while (time--);
 546
 547         /* access to some forbidden (non existent) ac97 registers will not
 548          * reset the semaphore. So even if you don't get the semaphore, still
 549          * continue the access. We don't need the semaphore anyway. */
 550         snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 551                         igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 552         iagetword(chip, 0);     /* clear semaphore flag */
 553         /* I don't care about the semaphore */
 554         return -EBUSY;
 555 }
 556
 557 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 558                                      unsigned short reg,
 559                                      unsigned short val)
 560 {
 561         struct intel8x0 *chip = ac97->private_data;
 562
 563         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 564                 if (! chip->in_ac97_init)
 565                         snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 566         }
 567         iaputword(chip, reg + ac97->num * 0x80, val);
 568 }
 569
 570 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 571                                               unsigned short reg)
 572 {
 573         struct intel8x0 *chip = ac97->private_data;
 574         unsigned short res;
 575         unsigned int tmp;
 576
 577         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 578                 if (! chip->in_ac97_init)
 579                         snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 580                 res = 0xffff;
 581         } else {
 582                 res = iagetword(chip, reg + ac97->num * 0x80);
 583                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 584                         /* reset RCS and preserve other R/WC bits */
 585                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 586                                   ~(chip->codec_ready_bits | ICH_GSCI));
 587                         if (! chip->in_ac97_init)
 588                                 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
 589                         res = 0xffff;
 590                 }
 591         }
 592         return res;
 593 }
 594
 595 static void snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 596                                          unsigned int codec)
 597 {
 598         unsigned int tmp;
 599
 600         if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 601                 iagetword(chip, codec * 0x80);
 602                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 603                         /* reset RCS and preserve other R/WC bits */
 604                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 605                                   ~(chip->codec_ready_bits | ICH_GSCI));
 606                 }
 607         }
 608 }
 609
 610 /*
 611  * access to AC97 for Ali5455
 612  */
 613 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 614 {
 615         int count = 0;
 616         for (count = 0; count < 0x7f; count++) {
 617                 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 618                 if (val & mask)
 619                         return 0;
 620         }
 621         if (! chip->in_ac97_init)
 622                 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
 623         return -EBUSY;
 624 }
 625
 626 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 627 {
 628         int time = 100;
 629         if (chip->buggy_semaphore)
 630                 return 0; /* just ignore ... */
 631         while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 632                 udelay(1);
 633         if (! time && ! chip->in_ac97_init)
 634                 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
 635         return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 636 }
 637
 638 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 639 {
 640         struct intel8x0 *chip = ac97->private_data;
 641         unsigned short data = 0xffff;
 642
 643         if (snd_intel8x0_ali_codec_semaphore(chip))
 644                 goto __err;
 645         reg |= ALI_CPR_ADDR_READ;
 646         if (ac97->num)
 647                 reg |= ALI_CPR_ADDR_SECONDARY;
 648         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 649         if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 650                 goto __err;
 651         data = igetword(chip, ICHREG(ALI_SPR));
 652  __err:
 653         return data;
 654 }
 655
 656 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 657                                          unsigned short val)
 658 {
 659         struct intel8x0 *chip = ac97->private_data;
 660
 661         if (snd_intel8x0_ali_codec_semaphore(chip))
 662                 return;
 663         iputword(chip, ICHREG(ALI_CPR), val);
 664         if (ac97->num)
 665                 reg |= ALI_CPR_ADDR_SECONDARY;
 666         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 667         snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 668 }
 669
 670
 671 /*
 672  * DMA I/O
 673  */
 674 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
 675 {
 676         int idx;
 677         u32 *bdbar = ichdev->bdbar;
 678         unsigned long port = ichdev->reg_offset;
 679
 680         iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 681         if (ichdev->size == ichdev->fragsize) {
 682                 ichdev->ack_reload = ichdev->ack = 2;
 683                 ichdev->fragsize1 = ichdev->fragsize >> 1;
 684                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 685                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 686                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 687                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 688                         bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 689                         bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 690                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 691                 }
 692                 ichdev->frags = 2;
 693         } else {
 694                 ichdev->ack_reload = ichdev->ack = 1;
 695                 ichdev->fragsize1 = ichdev->fragsize;
 696                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 697                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 698                                                      (((idx >> 1) * ichdev->fragsize) %
 699                                                       ichdev->size));
 700                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 701                                                      ichdev->fragsize >> ichdev->pos_shift);
 702 #if 0
 703                         printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n",
 704                                idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 705 #endif
 706                 }
 707                 ichdev->frags = ichdev->size / ichdev->fragsize;
 708         }
 709         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 710         ichdev->civ = 0;
 711         iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 712         ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 713         ichdev->position = 0;
 714 #if 0
 715         printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, "
 716                "period_size1 = 0x%x\n",
 717                ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 718                ichdev->fragsize1);
 719 #endif
 720         /* clear interrupts */
 721         iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 722 }
 723
 724 #ifdef __i386__
 725 /*
 726  * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
 727  * which aborts PCI busmaster for audio transfer.  A workaround is to set
 728  * the pages as non-cached.  For details, see the errata in
 729  *      http://download.intel.com/design/chipsets/specupdt/24505108.pdf
 730  */
 731 static void fill_nocache(void *buf, int size, int nocache)
 732 {
 733         size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 734         if (nocache)
 735                 set_pages_uc(virt_to_page(buf), size);
 736         else
 737                 set_pages_wb(virt_to_page(buf), size);
 738 }
 739 #else
 740 #define fill_nocache(buf, size, nocache) do { ; } while (0)
 741 #endif
 742
 743 /*
 744  *  Interrupt handler
 745  */
 746
 747 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 748 {
 749         unsigned long port = ichdev->reg_offset;
 750         unsigned long flags;
 751         int status, civ, i, step;
 752         int ack = 0;
 753
 754         spin_lock_irqsave(&chip->reg_lock, flags);
 755         status = igetbyte(chip, port + ichdev->roff_sr);
 756         civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 757         if (!(status & ICH_BCIS)) {
 758                 step = 0;
 759         } else if (civ == ichdev->civ) {
 760                 // snd_printd("civ same %d\n", civ);
 761                 step = 1;
 762                 ichdev->civ++;
 763                 ichdev->civ &= ICH_REG_LVI_MASK;
 764         } else {
 765                 step = civ - ichdev->civ;
 766                 if (step < 0)
 767                         step += ICH_REG_LVI_MASK + 1;
 768                 // if (step != 1)
 769                 //      snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 770                 ichdev->civ = civ;
 771         }
 772
 773         ichdev->position += step * ichdev->fragsize1;
 774         if (! chip->in_measurement)
 775                 ichdev->position %= ichdev->size;
 776         ichdev->lvi += step;
 777         ichdev->lvi &= ICH_REG_LVI_MASK;
 778         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 779         for (i = 0; i < step; i++) {
 780                 ichdev->lvi_frag++;
 781                 ichdev->lvi_frag %= ichdev->frags;
 782                 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 783 #if 0
 784         printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, "
 785                "all = 0x%x, 0x%x\n",
 786                ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 787                ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 788                inl(port + 4), inb(port + ICH_REG_OFF_CR));
 789 #endif
 790                 if (--ichdev->ack == 0) {
 791                         ichdev->ack = ichdev->ack_reload;
 792                         ack = 1;
 793                 }
 794         }
 795         spin_unlock_irqrestore(&chip->reg_lock, flags);
 796         if (ack && ichdev->substream) {
 797                 snd_pcm_period_elapsed(ichdev->substream);
 798         }
 799         iputbyte(chip, port + ichdev->roff_sr,
 800                  status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 801 }
 802
 803 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 804 {
 805         struct intel8x0 *chip = dev_id;
 806         struct ichdev *ichdev;
 807         unsigned int status;
 808         unsigned int i;
 809
 810         status = igetdword(chip, chip->int_sta_reg);
 811         if (status == 0xffffffff)       /* we are not yet resumed */
 812                 return IRQ_NONE;
 813
 814         if ((status & chip->int_sta_mask) == 0) {
 815                 if (status) {
 816                         /* ack */
 817                         iputdword(chip, chip->int_sta_reg, status);
 818                         if (! chip->buggy_irq)
 819                                 status = 0;
 820                 }
 821                 return IRQ_RETVAL(status);
 822         }
 823
 824         for (i = 0; i < chip->bdbars_count; i++) {
 825                 ichdev = &chip->ichd[i];
 826                 if (status & ichdev->int_sta_mask)
 827                         snd_intel8x0_update(chip, ichdev);
 828         }
 829
 830         /* ack them */
 831         iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 832
 833         return IRQ_HANDLED;
 834 }
 835
 836 /*
 837  *  PCM part
 838  */
 839
 840 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 841 {
 842         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 843         struct ichdev *ichdev = get_ichdev(substream);
 844         unsigned char val = 0;
 845         unsigned long port = ichdev->reg_offset;
 846
 847         switch (cmd) {
 848         case SNDRV_PCM_TRIGGER_RESUME:
 849                 ichdev->suspended = 0;
 850                 /* fallthru */
 851         case SNDRV_PCM_TRIGGER_START:
 852         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 853                 val = ICH_IOCE | ICH_STARTBM;
 854                 ichdev->last_pos = ichdev->position;
 855                 break;
 856         case SNDRV_PCM_TRIGGER_SUSPEND:
 857                 ichdev->suspended = 1;
 858                 /* fallthru */
 859         case SNDRV_PCM_TRIGGER_STOP:
 860                 val = 0;
 861                 break;
 862         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 863                 val = ICH_IOCE;
 864                 break;
 865         default:
 866                 return -EINVAL;
 867         }
 868         iputbyte(chip, port + ICH_REG_OFF_CR, val);
 869         if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 870                 /* wait until DMA stopped */
 871                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 872                 /* reset whole DMA things */
 873                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 874         }
 875         return 0;
 876 }
 877
 878 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 879 {
 880         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 881         struct ichdev *ichdev = get_ichdev(substream);
 882         unsigned long port = ichdev->reg_offset;
 883         static int fiforeg[] = {
 884                 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 885         };
 886         unsigned int val, fifo;
 887
 888         val = igetdword(chip, ICHREG(ALI_DMACR));
 889         switch (cmd) {
 890         case SNDRV_PCM_TRIGGER_RESUME:
 891                 ichdev->suspended = 0;
 892                 /* fallthru */
 893         case SNDRV_PCM_TRIGGER_START:
 894         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 895                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 896                         /* clear FIFO for synchronization of channels */
 897                         fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 898                         fifo &= ~(0xff << (ichdev->ali_slot % 4));
 899                         fifo |= 0x83 << (ichdev->ali_slot % 4);
 900                         iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 901                 }
 902                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 903                 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 904                 /* start DMA */
 905                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 906                 break;
 907         case SNDRV_PCM_TRIGGER_SUSPEND:
 908                 ichdev->suspended = 1;
 909                 /* fallthru */
 910         case SNDRV_PCM_TRIGGER_STOP:
 911         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 912                 /* pause */
 913                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 914                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 915                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
 916                         ;
 917                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 918                         break;
 919                 /* reset whole DMA things */
 920                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 921                 /* clear interrupts */
 922                 iputbyte(chip, port + ICH_REG_OFF_SR,
 923                          igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 924                 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 925                           igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 926                 break;
 927         default:
 928                 return -EINVAL;
 929         }
 930         return 0;
 931 }
 932
 933 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 934                                   struct snd_pcm_hw_params *hw_params)
 935 {
 936         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 937         struct ichdev *ichdev = get_ichdev(substream);
 938         struct snd_pcm_runtime *runtime = substream->runtime;
 939         int dbl = params_rate(hw_params) > 48000;
 940         int err;
 941
 942         if (chip->fix_nocache && ichdev->page_attr_changed) {
 943                 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
 944                 ichdev->page_attr_changed = 0;
 945         }
 946         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 947         if (err < 0)
 948                 return err;
 949         if (chip->fix_nocache) {
 950                 if (runtime->dma_area && ! ichdev->page_attr_changed) {
 951                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
 952                         ichdev->page_attr_changed = 1;
 953                 }
 954         }
 955         if (ichdev->pcm_open_flag) {
 956                 snd_ac97_pcm_close(ichdev->pcm);
 957                 ichdev->pcm_open_flag = 0;
 958         }
 959         err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 960                                 params_channels(hw_params),
 961                                 ichdev->pcm->r[dbl].slots);
 962         if (err >= 0) {
 963                 ichdev->pcm_open_flag = 1;
 964                 /* Force SPDIF setting */
 965                 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 966                         snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 967                                           params_rate(hw_params));
 968         }
 969         return err;
 970 }
 971
 972 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 973 {
 974         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 975         struct ichdev *ichdev = get_ichdev(substream);
 976
 977         if (ichdev->pcm_open_flag) {
 978                 snd_ac97_pcm_close(ichdev->pcm);
 979                 ichdev->pcm_open_flag = 0;
 980         }
 981         if (chip->fix_nocache && ichdev->page_attr_changed) {
 982                 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
 983                 ichdev->page_attr_changed = 0;
 984         }
 985         return snd_pcm_lib_free_pages(substream);
 986 }
 987
 988 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 989                                        struct snd_pcm_runtime *runtime)
 990 {
 991         unsigned int cnt;
 992         int dbl = runtime->rate > 48000;
 993
 994         spin_lock_irq(&chip->reg_lock);
 995         switch (chip->device_type) {
 996         case DEVICE_ALI:
 997                 cnt = igetdword(chip, ICHREG(ALI_SCR));
 998                 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
 999                 if (runtime->channels == 4 || dbl)
1000                         cnt |= ICH_ALI_SC_PCM_4;
1001                 else if (runtime->channels == 6)
1002                         cnt |= ICH_ALI_SC_PCM_6;
1003                 iputdword(chip, ICHREG(ALI_SCR), cnt);
1004                 break;
1005         case DEVICE_SIS:
1006                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1007                 cnt &= ~ICH_SIS_PCM_246_MASK;
1008                 if (runtime->channels == 4 || dbl)
1009                         cnt |= ICH_SIS_PCM_4;
1010                 else if (runtime->channels == 6)
1011                         cnt |= ICH_SIS_PCM_6;
1012                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1013                 break;
1014         default:
1015                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1016                 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1017                 if (runtime->channels == 4 || dbl)
1018                         cnt |= ICH_PCM_4;
1019                 else if (runtime->channels == 6)
1020                         cnt |= ICH_PCM_6;
1021                 else if (runtime->channels == 8)
1022                         cnt |= ICH_PCM_8;
1023                 if (chip->device_type == DEVICE_NFORCE) {
1024                         /* reset to 2ch once to keep the 6 channel data in alignment,
1025                          * to start from Front Left always
1026                          */
1027                         if (cnt & ICH_PCM_246_MASK) {
1028                                 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1029                                 spin_unlock_irq(&chip->reg_lock);
1030                                 msleep(50); /* grrr... */
1031                                 spin_lock_irq(&chip->reg_lock);
1032                         }
1033                 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
1034                         if (runtime->sample_bits > 16)
1035                                 cnt |= ICH_PCM_20BIT;
1036                 }
1037                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1038                 break;
1039         }
1040         spin_unlock_irq(&chip->reg_lock);
1041 }
1042
1043 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1044 {
1045         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1046         struct snd_pcm_runtime *runtime = substream->runtime;
1047         struct ichdev *ichdev = get_ichdev(substream);
1048
1049         ichdev->physbuf = runtime->dma_addr;
1050         ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1051         ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1052         if (ichdev->ichd == ICHD_PCMOUT) {
1053                 snd_intel8x0_setup_pcm_out(chip, runtime);
1054                 if (chip->device_type == DEVICE_INTEL_ICH4)
1055                         ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1056         }
1057         snd_intel8x0_setup_periods(chip, ichdev);
1058         return 0;
1059 }
1060
1061 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1062 {
1063         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1064         struct ichdev *ichdev = get_ichdev(substream);
1065         size_t ptr1, ptr;
1066         int civ, timeout = 10;
1067         unsigned int position;
1068
1069         spin_lock(&chip->reg_lock);
1070         do {
1071                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1072                 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1073                 position = ichdev->position;
1074                 if (ptr1 == 0) {
1075                         udelay(10);
1076                         continue;
1077                 }
1078                 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1079                         continue;
1080
1081                 /* IO read operation is very expensive inside virtual machine
1082                  * as it is emulated. The probability that subsequent PICB read
1083                  * will return different result is high enough to loop till
1084                  * timeout here.
1085                  * Same CIV is strict enough condition to be sure that PICB
1086                  * is valid inside VM on emulated card. */
1087                 if (chip->inside_vm)
1088                         break;
1089                 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1090                         break;
1091         } while (timeout--);
1092         ptr = ichdev->last_pos;
1093         if (ptr1 != 0) {
1094                 ptr1 <<= ichdev->pos_shift;
1095                 ptr = ichdev->fragsize1 - ptr1;
1096                 ptr += position;
1097                 if (ptr < ichdev->last_pos) {
1098                         unsigned int pos_base, last_base;
1099                         pos_base = position / ichdev->fragsize1;
1100                         last_base = ichdev->last_pos / ichdev->fragsize1;
1101                         /* another sanity check; ptr1 can go back to full
1102                          * before the base position is updated
1103                          */
1104                         if (pos_base == last_base)
1105                                 ptr = ichdev->last_pos;
1106                 }
1107         }
1108         ichdev->last_pos = ptr;
1109         spin_unlock(&chip->reg_lock);
1110         if (ptr >= ichdev->size)
1111                 return 0;
1112         return bytes_to_frames(substream->runtime, ptr);
1113 }
1114
1115 static struct snd_pcm_hardware snd_intel8x0_stream =
1116 {
1117         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1118                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1119                                  SNDRV_PCM_INFO_MMAP_VALID |
1120                                  SNDRV_PCM_INFO_PAUSE |
1121                                  SNDRV_PCM_INFO_RESUME),
1122         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1123         .rates =                SNDRV_PCM_RATE_48000,
1124         .rate_min =             48000,
1125         .rate_max =             48000,
1126         .channels_min =         2,
1127         .channels_max =         2,
1128         .buffer_bytes_max =     128 * 1024,
1129         .period_bytes_min =     32,
1130         .period_bytes_max =     128 * 1024,
1131         .periods_min =          1,
1132         .periods_max =          1024,
1133         .fifo_size =            0,
1134 };
1135
1136 static unsigned int channels4[] = {
1137         2, 4,
1138 };
1139
1140 static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1141         .count = ARRAY_SIZE(channels4),
1142         .list = channels4,
1143         .mask = 0,
1144 };
1145
1146 static unsigned int channels6[] = {
1147         2, 4, 6,
1148 };
1149
1150 static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1151         .count = ARRAY_SIZE(channels6),
1152         .list = channels6,
1153         .mask = 0,
1154 };
1155
1156 static unsigned int channels8[] = {
1157         2, 4, 6, 8,
1158 };
1159
1160 static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1161         .count = ARRAY_SIZE(channels8),
1162         .list = channels8,
1163         .mask = 0,
1164 };
1165
1166 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1167 {
1168         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169         struct snd_pcm_runtime *runtime = substream->runtime;
1170         int err;
1171
1172         ichdev->substream = substream;
1173         runtime->hw = snd_intel8x0_stream;
1174         runtime->hw.rates = ichdev->pcm->rates;
1175         snd_pcm_limit_hw_rates(runtime);
1176         if (chip->device_type == DEVICE_SIS) {
1177                 runtime->hw.buffer_bytes_max = 64*1024;
1178                 runtime->hw.period_bytes_max = 64*1024;
1179         }
1180         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1181                 return err;
1182         runtime->private_data = ichdev;
1183         return 0;
1184 }
1185
1186 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1187 {
1188         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1189         struct snd_pcm_runtime *runtime = substream->runtime;
1190         int err;
1191
1192         err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1193         if (err < 0)
1194                 return err;
1195
1196         if (chip->multi8) {
1197                 runtime->hw.channels_max = 8;
1198                 snd_pcm_hw_constraint_list(runtime, 0,
1199                                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1200                                                 &hw_constraints_channels8);
1201         } else if (chip->multi6) {
1202                 runtime->hw.channels_max = 6;
1203                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1204                                            &hw_constraints_channels6);
1205         } else if (chip->multi4) {
1206                 runtime->hw.channels_max = 4;
1207                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1208                                            &hw_constraints_channels4);
1209         }
1210         if (chip->dra) {
1211                 snd_ac97_pcm_double_rate_rules(runtime);
1212         }
1213         if (chip->smp20bit) {
1214                 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1215                 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1216         }
1217         return 0;
1218 }
1219
1220 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1221 {
1222         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1223
1224         chip->ichd[ICHD_PCMOUT].substream = NULL;
1225         return 0;
1226 }
1227
1228 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1229 {
1230         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1231
1232         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1233 }
1234
1235 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1236 {
1237         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1238
1239         chip->ichd[ICHD_PCMIN].substream = NULL;
1240         return 0;
1241 }
1242
1243 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1244 {
1245         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1246
1247         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1248 }
1249
1250 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1251 {
1252         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1253
1254         chip->ichd[ICHD_MIC].substream = NULL;
1255         return 0;
1256 }
1257
1258 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1259 {
1260         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1261
1262         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1263 }
1264
1265 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1266 {
1267         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1268
1269         chip->ichd[ICHD_MIC2].substream = NULL;
1270         return 0;
1271 }
1272
1273 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1274 {
1275         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1276
1277         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1278 }
1279
1280 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1281 {
1282         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1283
1284         chip->ichd[ICHD_PCM2IN].substream = NULL;
1285         return 0;
1286 }
1287
1288 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1289 {
1290         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1291         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1292
1293         return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1294 }
1295
1296 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1297 {
1298         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1299         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1300
1301         chip->ichd[idx].substream = NULL;
1302         return 0;
1303 }
1304
1305 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1306 {
1307         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1308         unsigned int val;
1309
1310         spin_lock_irq(&chip->reg_lock);
1311         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1312         val |= ICH_ALI_IF_AC97SP;
1313         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1314         /* also needs to set ALI_SC_CODEC_SPDF correctly */
1315         spin_unlock_irq(&chip->reg_lock);
1316
1317         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1318 }
1319
1320 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1321 {
1322         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1323         unsigned int val;
1324
1325         chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1326         spin_lock_irq(&chip->reg_lock);
1327         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1328         val &= ~ICH_ALI_IF_AC97SP;
1329         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1330         spin_unlock_irq(&chip->reg_lock);
1331
1332         return 0;
1333 }
1334
1335 #if 0 // NYI
1336 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1337 {
1338         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1339
1340         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1341 }
1342
1343 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1344 {
1345         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1346
1347         chip->ichd[ALID_SPDIFIN].substream = NULL;
1348         return 0;
1349 }
1350
1351 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1352 {
1353         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1354
1355         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1356 }
1357
1358 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1359 {
1360         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1361
1362         chip->ichd[ALID_SPDIFOUT].substream = NULL;
1363         return 0;
1364 }
1365 #endif
1366
1367 static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1368         .open =         snd_intel8x0_playback_open,
1369         .close =        snd_intel8x0_playback_close,
1370         .ioctl =        snd_pcm_lib_ioctl,
1371         .hw_params =    snd_intel8x0_hw_params,
1372         .hw_free =      snd_intel8x0_hw_free,
1373         .prepare =      snd_intel8x0_pcm_prepare,
1374         .trigger =      snd_intel8x0_pcm_trigger,
1375         .pointer =      snd_intel8x0_pcm_pointer,
1376 };
1377
1378 static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1379         .open =         snd_intel8x0_capture_open,
1380         .close =        snd_intel8x0_capture_close,
1381         .ioctl =        snd_pcm_lib_ioctl,
1382         .hw_params =    snd_intel8x0_hw_params,
1383         .hw_free =      snd_intel8x0_hw_free,
1384         .prepare =      snd_intel8x0_pcm_prepare,
1385         .trigger =      snd_intel8x0_pcm_trigger,
1386         .pointer =      snd_intel8x0_pcm_pointer,
1387 };
1388
1389 static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1390         .open =         snd_intel8x0_mic_open,
1391         .close =        snd_intel8x0_mic_close,
1392         .ioctl =        snd_pcm_lib_ioctl,
1393         .hw_params =    snd_intel8x0_hw_params,
1394         .hw_free =      snd_intel8x0_hw_free,
1395         .prepare =      snd_intel8x0_pcm_prepare,
1396         .trigger =      snd_intel8x0_pcm_trigger,
1397         .pointer =      snd_intel8x0_pcm_pointer,
1398 };
1399
1400 static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1401         .open =         snd_intel8x0_mic2_open,
1402         .close =        snd_intel8x0_mic2_close,
1403         .ioctl =        snd_pcm_lib_ioctl,
1404         .hw_params =    snd_intel8x0_hw_params,
1405         .hw_free =      snd_intel8x0_hw_free,
1406         .prepare =      snd_intel8x0_pcm_prepare,
1407         .trigger =      snd_intel8x0_pcm_trigger,
1408         .pointer =      snd_intel8x0_pcm_pointer,
1409 };
1410
1411 static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1412         .open =         snd_intel8x0_capture2_open,
1413         .close =        snd_intel8x0_capture2_close,
1414         .ioctl =        snd_pcm_lib_ioctl,
1415         .hw_params =    snd_intel8x0_hw_params,
1416         .hw_free =      snd_intel8x0_hw_free,
1417         .prepare =      snd_intel8x0_pcm_prepare,
1418         .trigger =      snd_intel8x0_pcm_trigger,
1419         .pointer =      snd_intel8x0_pcm_pointer,
1420 };
1421
1422 static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1423         .open =         snd_intel8x0_spdif_open,
1424         .close =        snd_intel8x0_spdif_close,
1425         .ioctl =        snd_pcm_lib_ioctl,
1426         .hw_params =    snd_intel8x0_hw_params,
1427         .hw_free =      snd_intel8x0_hw_free,
1428         .prepare =      snd_intel8x0_pcm_prepare,
1429         .trigger =      snd_intel8x0_pcm_trigger,
1430         .pointer =      snd_intel8x0_pcm_pointer,
1431 };
1432
1433 static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1434         .open =         snd_intel8x0_playback_open,
1435         .close =        snd_intel8x0_playback_close,
1436         .ioctl =        snd_pcm_lib_ioctl,
1437         .hw_params =    snd_intel8x0_hw_params,
1438         .hw_free =      snd_intel8x0_hw_free,
1439         .prepare =      snd_intel8x0_pcm_prepare,
1440         .trigger =      snd_intel8x0_ali_trigger,
1441         .pointer =      snd_intel8x0_pcm_pointer,
1442 };
1443
1444 static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1445         .open =         snd_intel8x0_capture_open,
1446         .close =        snd_intel8x0_capture_close,
1447         .ioctl =        snd_pcm_lib_ioctl,
1448         .hw_params =    snd_intel8x0_hw_params,
1449         .hw_free =      snd_intel8x0_hw_free,
1450         .prepare =      snd_intel8x0_pcm_prepare,
1451         .trigger =      snd_intel8x0_ali_trigger,
1452         .pointer =      snd_intel8x0_pcm_pointer,
1453 };
1454
1455 static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1456         .open =         snd_intel8x0_mic_open,
1457         .close =        snd_intel8x0_mic_close,
1458         .ioctl =        snd_pcm_lib_ioctl,
1459         .hw_params =    snd_intel8x0_hw_params,
1460         .hw_free =      snd_intel8x0_hw_free,
1461         .prepare =      snd_intel8x0_pcm_prepare,
1462         .trigger =      snd_intel8x0_ali_trigger,
1463         .pointer =      snd_intel8x0_pcm_pointer,
1464 };
1465
1466 static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1467         .open =         snd_intel8x0_ali_ac97spdifout_open,
1468         .close =        snd_intel8x0_ali_ac97spdifout_close,
1469         .ioctl =        snd_pcm_lib_ioctl,
1470         .hw_params =    snd_intel8x0_hw_params,
1471         .hw_free =      snd_intel8x0_hw_free,
1472         .prepare =      snd_intel8x0_pcm_prepare,
1473         .trigger =      snd_intel8x0_ali_trigger,
1474         .pointer =      snd_intel8x0_pcm_pointer,
1475 };
1476
1477 #if 0 // NYI
1478 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1479         .open =         snd_intel8x0_ali_spdifin_open,
1480         .close =        snd_intel8x0_ali_spdifin_close,
1481         .ioctl =        snd_pcm_lib_ioctl,
1482         .hw_params =    snd_intel8x0_hw_params,
1483         .hw_free =      snd_intel8x0_hw_free,
1484         .prepare =      snd_intel8x0_pcm_prepare,
1485         .trigger =      snd_intel8x0_pcm_trigger,
1486         .pointer =      snd_intel8x0_pcm_pointer,
1487 };
1488
1489 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1490         .open =         snd_intel8x0_ali_spdifout_open,
1491         .close =        snd_intel8x0_ali_spdifout_close,
1492         .ioctl =        snd_pcm_lib_ioctl,
1493         .hw_params =    snd_intel8x0_hw_params,
1494         .hw_free =      snd_intel8x0_hw_free,
1495         .prepare =      snd_intel8x0_pcm_prepare,
1496         .trigger =      snd_intel8x0_pcm_trigger,
1497         .pointer =      snd_intel8x0_pcm_pointer,
1498 };
1499 #endif // NYI
1500
1501 struct ich_pcm_table {
1502         char *suffix;
1503         struct snd_pcm_ops *playback_ops;
1504         struct snd_pcm_ops *capture_ops;
1505         size_t prealloc_size;
1506         size_t prealloc_max_size;
1507         int ac97_idx;
1508 };
1509
1510 static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1511                              struct ich_pcm_table *rec)
1512 {
1513         struct snd_pcm *pcm;
1514         int err;
1515         char name[32];
1516
1517         if (rec->suffix)
1518                 sprintf(name, "Intel ICH - %s", rec->suffix);
1519         else
1520                 strcpy(name, "Intel ICH");
1521         err = snd_pcm_new(chip->card, name, device,
1522                           rec->playback_ops ? 1 : 0,
1523                           rec->capture_ops ? 1 : 0, &pcm);
1524         if (err < 0)
1525                 return err;
1526
1527         if (rec->playback_ops)
1528                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1529         if (rec->capture_ops)
1530                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1531
1532         pcm->private_data = chip;
1533         pcm->info_flags = 0;
1534         if (rec->suffix)
1535                 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1536         else
1537                 strcpy(pcm->name, chip->card->shortname);
1538         chip->pcm[device] = pcm;
1539
1540         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1541                                               snd_dma_pci_data(chip->pci),
1542                                               rec->prealloc_size, rec->prealloc_max_size);
1543
1544         if (rec->playback_ops &&
1545             rec->playback_ops->open == snd_intel8x0_playback_open) {
1546                 struct snd_pcm_chmap *chmap;
1547                 int chs = 2;
1548                 if (chip->multi8)
1549                         chs = 8;
1550                 else if (chip->multi6)
1551                         chs = 6;
1552                 else if (chip->multi4)
1553                         chs = 4;
1554                 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1555                                              snd_pcm_alt_chmaps, chs, 0,
1556                                              &chmap);
1557                 if (err < 0)
1558                         return err;
1559                 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
1560                 chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1561         }
1562
1563         return 0;
1564 }
1565
1566 static struct ich_pcm_table intel_pcms[] = {
1567         {
1568                 .playback_ops = &snd_intel8x0_playback_ops,
1569                 .capture_ops = &snd_intel8x0_capture_ops,
1570                 .prealloc_size = 64 * 1024,
1571                 .prealloc_max_size = 128 * 1024,
1572         },
1573         {
1574                 .suffix = "MIC ADC",
1575                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1576                 .prealloc_size = 0,
1577                 .prealloc_max_size = 128 * 1024,
1578                 .ac97_idx = ICHD_MIC,
1579         },
1580         {
1581                 .suffix = "MIC2 ADC",
1582                 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1583                 .prealloc_size = 0,
1584                 .prealloc_max_size = 128 * 1024,
1585                 .ac97_idx = ICHD_MIC2,
1586         },
1587         {
1588                 .suffix = "ADC2",
1589                 .capture_ops = &snd_intel8x0_capture2_ops,
1590                 .prealloc_size = 0,
1591                 .prealloc_max_size = 128 * 1024,
1592                 .ac97_idx = ICHD_PCM2IN,
1593         },
1594         {
1595                 .suffix = "IEC958",
1596                 .playback_ops = &snd_intel8x0_spdif_ops,
1597                 .prealloc_size = 64 * 1024,
1598                 .prealloc_max_size = 128 * 1024,
1599                 .ac97_idx = ICHD_SPBAR,
1600         },
1601 };
1602
1603 static struct ich_pcm_table nforce_pcms[] = {
1604         {
1605                 .playback_ops = &snd_intel8x0_playback_ops,
1606                 .capture_ops = &snd_intel8x0_capture_ops,
1607                 .prealloc_size = 64 * 1024,
1608                 .prealloc_max_size = 128 * 1024,
1609         },
1610         {
1611                 .suffix = "MIC ADC",
1612                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1613                 .prealloc_size = 0,
1614                 .prealloc_max_size = 128 * 1024,
1615                 .ac97_idx = NVD_MIC,
1616         },
1617         {
1618                 .suffix = "IEC958",
1619                 .playback_ops = &snd_intel8x0_spdif_ops,
1620                 .prealloc_size = 64 * 1024,
1621                 .prealloc_max_size = 128 * 1024,
1622                 .ac97_idx = NVD_SPBAR,
1623         },
1624 };
1625
1626 static struct ich_pcm_table ali_pcms[] = {
1627         {
1628                 .playback_ops = &snd_intel8x0_ali_playback_ops,
1629                 .capture_ops = &snd_intel8x0_ali_capture_ops,
1630                 .prealloc_size = 64 * 1024,
1631                 .prealloc_max_size = 128 * 1024,
1632         },
1633         {
1634                 .suffix = "MIC ADC",
1635                 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1636                 .prealloc_size = 0,
1637                 .prealloc_max_size = 128 * 1024,
1638                 .ac97_idx = ALID_MIC,
1639         },
1640         {
1641                 .suffix = "IEC958",
1642                 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1643                 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1644                 .prealloc_size = 64 * 1024,
1645                 .prealloc_max_size = 128 * 1024,
1646                 .ac97_idx = ALID_AC97SPDIFOUT,
1647         },
1648 #if 0 // NYI
1649         {
1650                 .suffix = "HW IEC958",
1651                 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1652                 .prealloc_size = 64 * 1024,
1653                 .prealloc_max_size = 128 * 1024,
1654         },
1655 #endif
1656 };
1657
1658 static int snd_intel8x0_pcm(struct intel8x0 *chip)
1659 {
1660         int i, tblsize, device, err;
1661         struct ich_pcm_table *tbl, *rec;
1662
1663         switch (chip->device_type) {
1664         case DEVICE_INTEL_ICH4:
1665                 tbl = intel_pcms;
1666                 tblsize = ARRAY_SIZE(intel_pcms);
1667                 if (spdif_aclink)
1668                         tblsize--;
1669                 break;
1670         case DEVICE_NFORCE:
1671                 tbl = nforce_pcms;
1672                 tblsize = ARRAY_SIZE(nforce_pcms);
1673                 if (spdif_aclink)
1674                         tblsize--;
1675                 break;
1676         case DEVICE_ALI:
1677                 tbl = ali_pcms;
1678                 tblsize = ARRAY_SIZE(ali_pcms);
1679                 break;
1680         default:
1681                 tbl = intel_pcms;
1682                 tblsize = 2;
1683                 break;
1684         }
1685
1686         device = 0;
1687         for (i = 0; i < tblsize; i++) {
1688                 rec = tbl + i;
1689                 if (i > 0 && rec->ac97_idx) {
1690                         /* activate PCM only when associated AC'97 codec */
1691                         if (! chip->ichd[rec->ac97_idx].pcm)
1692                                 continue;
1693                 }
1694                 err = snd_intel8x0_pcm1(chip, device, rec);
1695                 if (err < 0)
1696                         return err;
1697                 device++;
1698         }
1699
1700         chip->pcm_devs = device;
1701         return 0;
1702 }
1703
1704
1705 /*
1706  *  Mixer part
1707  */
1708
1709 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1710 {
1711         struct intel8x0 *chip = bus->private_data;
1712         chip->ac97_bus = NULL;
1713 }
1714
1715 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1716 {
1717         struct intel8x0 *chip = ac97->private_data;
1718         chip->ac97[ac97->num] = NULL;
1719 }
1720
1721 static struct ac97_pcm ac97_pcm_defs[] = {
1722         /* front PCM */
1723         {
1724                 .exclusive = 1,
1725                 .r = {  {
1726                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1727                                          (1 << AC97_SLOT_PCM_RIGHT) |
1728                                          (1 << AC97_SLOT_PCM_CENTER) |
1729                                          (1 << AC97_SLOT_PCM_SLEFT) |
1730                                          (1 << AC97_SLOT_PCM_SRIGHT) |
1731                                          (1 << AC97_SLOT_LFE)
1732                         },
1733                         {
1734                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1735                                          (1 << AC97_SLOT_PCM_RIGHT) |
1736                                          (1 << AC97_SLOT_PCM_LEFT_0) |
1737                                          (1 << AC97_SLOT_PCM_RIGHT_0)
1738                         }
1739                 }
1740         },
1741         /* PCM IN #1 */
1742         {
1743                 .stream = 1,
1744                 .exclusive = 1,
1745                 .r = {  {
1746                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1747                                          (1 << AC97_SLOT_PCM_RIGHT)
1748                         }
1749                 }
1750         },
1751         /* MIC IN #1 */
1752         {
1753                 .stream = 1,
1754                 .exclusive = 1,
1755                 .r = {  {
1756                                 .slots = (1 << AC97_SLOT_MIC)
1757                         }
1758                 }
1759         },
1760         /* S/PDIF PCM */
1761         {
1762                 .exclusive = 1,
1763                 .spdif = 1,
1764                 .r = {  {
1765                                 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1766                                          (1 << AC97_SLOT_SPDIF_RIGHT2)
1767                         }
1768                 }
1769         },
1770         /* PCM IN #2 */
1771         {
1772                 .stream = 1,
1773                 .exclusive = 1,
1774                 .r = {  {
1775                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1776                                          (1 << AC97_SLOT_PCM_RIGHT)
1777                         }
1778                 }
1779         },
1780         /* MIC IN #2 */
1781         {
1782                 .stream = 1,
1783                 .exclusive = 1,
1784                 .r = {  {
1785                                 .slots = (1 << AC97_SLOT_MIC)
1786                         }
1787                 }
1788         },
1789 };
1790
1791 static struct ac97_quirk ac97_quirks[] = {
1792         {
1793                 .subvendor = 0x0e11,
1794                 .subdevice = 0x000e,
1795                 .name = "Compaq Deskpro EN",    /* AD1885 */
1796                 .type = AC97_TUNE_HP_ONLY
1797         },
1798         {
1799                 .subvendor = 0x0e11,
1800                 .subdevice = 0x008a,
1801                 .name = "Compaq Evo W4000",     /* AD1885 */
1802                 .type = AC97_TUNE_HP_ONLY
1803         },
1804         {
1805                 .subvendor = 0x0e11,
1806                 .subdevice = 0x00b8,
1807                 .name = "Compaq Evo D510C",
1808                 .type = AC97_TUNE_HP_ONLY
1809         },
1810         {
1811                 .subvendor = 0x0e11,
1812                 .subdevice = 0x0860,
1813                 .name = "HP/Compaq nx7010",
1814                 .type = AC97_TUNE_MUTE_LED
1815         },
1816         {
1817                 .subvendor = 0x1014,
1818                 .subdevice = 0x0534,
1819                 .name = "ThinkPad X31",
1820                 .type = AC97_TUNE_INV_EAPD
1821         },
1822         {
1823                 .subvendor = 0x1014,
1824                 .subdevice = 0x1f00,
1825                 .name = "MS-9128",
1826                 .type = AC97_TUNE_ALC_JACK
1827         },
1828         {
1829                 .subvendor = 0x1014,
1830                 .subdevice = 0x0267,
1831                 .name = "IBM NetVista A30p",    /* AD1981B */
1832                 .type = AC97_TUNE_HP_ONLY
1833         },
1834         {
1835                 .subvendor = 0x1025,
1836                 .subdevice = 0x0082,
1837                 .name = "Acer Travelmate 2310",
1838                 .type = AC97_TUNE_HP_ONLY
1839         },
1840         {
1841                 .subvendor = 0x1025,
1842                 .subdevice = 0x0083,
1843                 .name = "Acer Aspire 3003LCi",
1844                 .type = AC97_TUNE_HP_ONLY
1845         },
1846         {
1847                 .subvendor = 0x1028,
1848                 .subdevice = 0x00d8,
1849                 .name = "Dell Precision 530",   /* AD1885 */
1850                 .type = AC97_TUNE_HP_ONLY
1851         },
1852         {
1853                 .subvendor = 0x1028,
1854                 .subdevice = 0x010d,
1855                 .name = "Dell", /* which model?  AD1885 */
1856                 .type = AC97_TUNE_HP_ONLY
1857         },
1858         {
1859                 .subvendor = 0x1028,
1860                 .subdevice = 0x0126,
1861                 .name = "Dell Optiplex GX260",  /* AD1981A */
1862                 .type = AC97_TUNE_HP_ONLY
1863         },
1864         {
1865                 .subvendor = 0x1028,
1866                 .subdevice = 0x012c,
1867                 .name = "Dell Precision 650",   /* AD1981A */
1868                 .type = AC97_TUNE_HP_ONLY
1869         },
1870         {
1871                 .subvendor = 0x1028,
1872                 .subdevice = 0x012d,
1873                 .name = "Dell Precision 450",   /* AD1981B*/
1874                 .type = AC97_TUNE_HP_ONLY
1875         },
1876         {
1877                 .subvendor = 0x1028,
1878                 .subdevice = 0x0147,
1879                 .name = "Dell", /* which model?  AD1981B*/
1880                 .type = AC97_TUNE_HP_ONLY
1881         },
1882         {
1883                 .subvendor = 0x1028,
1884                 .subdevice = 0x0151,
1885                 .name = "Dell Optiplex GX270",  /* AD1981B */
1886                 .type = AC97_TUNE_HP_ONLY
1887         },
1888         {
1889                 .subvendor = 0x1028,
1890                 .subdevice = 0x014e,
1891                 .name = "Dell D800", /* STAC9750/51 */
1892                 .type = AC97_TUNE_HP_ONLY
1893         },
1894         {
1895                 .subvendor = 0x1028,
1896                 .subdevice = 0x0163,
1897                 .name = "Dell Unknown", /* STAC9750/51 */
1898                 .type = AC97_TUNE_HP_ONLY
1899         },
1900         {
1901                 .subvendor = 0x1028,
1902                 .subdevice = 0x016a,
1903                 .name = "Dell Inspiron 8600",   /* STAC9750/51 */
1904                 .type = AC97_TUNE_HP_ONLY
1905         },
1906         {
1907                 .subvendor = 0x1028,
1908                 .subdevice = 0x0182,
1909                 .name = "Dell Latitude D610",   /* STAC9750/51 */
1910                 .type = AC97_TUNE_HP_ONLY
1911         },
1912         {
1913                 .subvendor = 0x1028,
1914                 .subdevice = 0x0186,
1915                 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1916                 .type = AC97_TUNE_HP_MUTE_LED
1917         },
1918         {
1919                 .subvendor = 0x1028,
1920                 .subdevice = 0x0188,
1921                 .name = "Dell Inspiron 6000",
1922                 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1923         },
1924         {
1925                 .subvendor = 0x1028,
1926                 .subdevice = 0x0189,
1927                 .name = "Dell Inspiron 9300",
1928                 .type = AC97_TUNE_HP_MUTE_LED
1929         },
1930         {
1931                 .subvendor = 0x1028,
1932                 .subdevice = 0x0191,
1933                 .name = "Dell Inspiron 8600",
1934                 .type = AC97_TUNE_HP_ONLY
1935         },
1936         {
1937                 .subvendor = 0x103c,
1938                 .subdevice = 0x006d,
1939                 .name = "HP zv5000",
1940                 .type = AC97_TUNE_MUTE_LED      /*AD1981B*/
1941         },
1942         {       /* FIXME: which codec? */
1943                 .subvendor = 0x103c,
1944                 .subdevice = 0x00c3,
1945                 .name = "HP xw6000",
1946                 .type = AC97_TUNE_HP_ONLY
1947         },
1948         {
1949                 .subvendor = 0x103c,
1950                 .subdevice = 0x088c,
1951                 .name = "HP nc8000",
1952                 .type = AC97_TUNE_HP_MUTE_LED
1953         },
1954         {
1955                 .subvendor = 0x103c,
1956                 .subdevice = 0x0890,
1957                 .name = "HP nc6000",
1958                 .type = AC97_TUNE_MUTE_LED
1959         },
1960         {
1961                 .subvendor = 0x103c,
1962                 .subdevice = 0x129d,
1963                 .name = "HP xw8000",
1964                 .type = AC97_TUNE_HP_ONLY
1965         },
1966         {
1967                 .subvendor = 0x103c,
1968                 .subdevice = 0x0938,
1969                 .name = "HP nc4200",
1970                 .type = AC97_TUNE_HP_MUTE_LED
1971         },
1972         {
1973                 .subvendor = 0x103c,
1974                 .subdevice = 0x099c,
1975                 .name = "HP nx6110/nc6120",
1976                 .type = AC97_TUNE_HP_MUTE_LED
1977         },
1978         {
1979                 .subvendor = 0x103c,
1980                 .subdevice = 0x0944,
1981                 .name = "HP nc6220",
1982                 .type = AC97_TUNE_HP_MUTE_LED
1983         },
1984         {
1985                 .subvendor = 0x103c,
1986                 .subdevice = 0x0934,
1987                 .name = "HP nc8220",
1988                 .type = AC97_TUNE_HP_MUTE_LED
1989         },
1990         {
1991                 .subvendor = 0x103c,
1992                 .subdevice = 0x12f1,
1993                 .name = "HP xw8200",    /* AD1981B*/
1994                 .type = AC97_TUNE_HP_ONLY
1995         },
1996         {
1997                 .subvendor = 0x103c,
1998                 .subdevice = 0x12f2,
1999                 .name = "HP xw6200",
2000                 .type = AC97_TUNE_HP_ONLY
2001         },
2002         {
2003                 .subvendor = 0x103c,
2004                 .subdevice = 0x3008,
2005                 .name = "HP xw4200",    /* AD1981B*/
2006                 .type = AC97_TUNE_HP_ONLY
2007         },
2008         {
2009                 .subvendor = 0x104d,
2010                 .subdevice = 0x8144,
2011                 .name = "Sony",
2012                 .type = AC97_TUNE_INV_EAPD
2013         },
2014         {
2015                 .subvendor = 0x104d,
2016                 .subdevice = 0x8197,
2017                 .name = "Sony S1XP",
2018                 .type = AC97_TUNE_INV_EAPD
2019         },
2020         {
2021                 .subvendor = 0x104d,
2022                 .subdevice = 0x81c0,
2023                 .name = "Sony VAIO VGN-T350P", /*AD1981B*/
2024                 .type = AC97_TUNE_INV_EAPD
2025         },
2026         {
2027                 .subvendor = 0x104d,
2028                 .subdevice = 0x81c5,
2029                 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/
2030                 .type = AC97_TUNE_INV_EAPD
2031         },
2032         {
2033                 .subvendor = 0x1043,
2034                 .subdevice = 0x80f3,
2035                 .name = "ASUS ICH5/AD1985",
2036                 .type = AC97_TUNE_AD_SHARING
2037         },
2038         {
2039                 .subvendor = 0x10cf,
2040                 .subdevice = 0x11c3,
2041                 .name = "Fujitsu-Siemens E4010",
2042                 .type = AC97_TUNE_HP_ONLY
2043         },
2044         {
2045                 .subvendor = 0x10cf,
2046                 .subdevice = 0x1225,
2047                 .name = "Fujitsu-Siemens T3010",
2048                 .type = AC97_TUNE_HP_ONLY
2049         },
2050         {
2051                 .subvendor = 0x10cf,
2052                 .subdevice = 0x1253,
2053                 .name = "Fujitsu S6210",        /* STAC9750/51 */
2054                 .type = AC97_TUNE_HP_ONLY
2055         },
2056         {
2057                 .subvendor = 0x10cf,
2058                 .subdevice = 0x127d,
2059                 .name = "Fujitsu Lifebook P7010",
2060                 .type = AC97_TUNE_HP_ONLY
2061         },
2062         {
2063                 .subvendor = 0x10cf,
2064                 .subdevice = 0x127e,
2065                 .name = "Fujitsu Lifebook C1211D",
2066                 .type = AC97_TUNE_HP_ONLY
2067         },
2068         {
2069                 .subvendor = 0x10cf,
2070                 .subdevice = 0x12ec,
2071                 .name = "Fujitsu-Siemens 4010",
2072                 .type = AC97_TUNE_HP_ONLY
2073         },
2074         {
2075                 .subvendor = 0x10cf,
2076                 .subdevice = 0x12f2,
2077                 .name = "Fujitsu-Siemens Celsius H320",
2078                 .type = AC97_TUNE_SWAP_HP
2079         },
2080         {
2081                 .subvendor = 0x10f1,
2082                 .subdevice = 0x2665,
2083                 .name = "Fujitsu-Siemens Celsius",      /* AD1981? */
2084                 .type = AC97_TUNE_HP_ONLY
2085         },
2086         {
2087                 .subvendor = 0x10f1,
2088                 .subdevice = 0x2885,
2089                 .name = "AMD64 Mobo",   /* ALC650 */
2090                 .type = AC97_TUNE_HP_ONLY
2091         },
2092         {
2093                 .subvendor = 0x10f1,
2094                 .subdevice = 0x2895,
2095                 .name = "Tyan Thunder K8WE",
2096                 .type = AC97_TUNE_HP_ONLY
2097         },
2098         {
2099                 .subvendor = 0x10f7,
2100                 .subdevice = 0x834c,
2101                 .name = "Panasonic CF-R4",
2102                 .type = AC97_TUNE_HP_ONLY,
2103         },
2104         {
2105                 .subvendor = 0x110a,
2106                 .subdevice = 0x0056,
2107                 .name = "Fujitsu-Siemens Scenic",       /* AD1981? */
2108                 .type = AC97_TUNE_HP_ONLY
2109         },
2110         {
2111                 .subvendor = 0x11d4,
2112                 .subdevice = 0x5375,
2113                 .name = "ADI AD1985 (discrete)",
2114                 .type = AC97_TUNE_HP_ONLY
2115         },
2116         {
2117                 .subvendor = 0x1462,
2118                 .subdevice = 0x5470,
2119                 .name = "MSI P4 ATX 645 Ultra",
2120                 .type = AC97_TUNE_HP_ONLY
2121         },
2122         {
2123                 .subvendor = 0x161f,
2124                 .subdevice = 0x202f,
2125                 .name = "Gateway M520",
2126                 .type = AC97_TUNE_INV_EAPD
2127         },
2128         {
2129                 .subvendor = 0x161f,
2130                 .subdevice = 0x203a,
2131                 .name = "Gateway 4525GZ",               /* AD1981B */
2132                 .type = AC97_TUNE_INV_EAPD
2133         },
2134         {
2135                 .subvendor = 0x1734,
2136                 .subdevice = 0x0088,
2137                 .name = "Fujitsu-Siemens D1522",        /* AD1981 */
2138                 .type = AC97_TUNE_HP_ONLY
2139         },
2140         {
2141                 .subvendor = 0x8086,
2142                 .subdevice = 0x2000,
2143                 .mask = 0xfff0,
2144                 .name = "Intel ICH5/AD1985",
2145                 .type = AC97_TUNE_AD_SHARING
2146         },
2147         {
2148                 .subvendor = 0x8086,
2149                 .subdevice = 0x4000,
2150                 .mask = 0xfff0,
2151                 .name = "Intel ICH5/AD1985",
2152                 .type = AC97_TUNE_AD_SHARING
2153         },
2154         {
2155                 .subvendor = 0x8086,
2156                 .subdevice = 0x4856,
2157                 .name = "Intel D845WN (82801BA)",
2158                 .type = AC97_TUNE_SWAP_HP
2159         },
2160         {
2161                 .subvendor = 0x8086,
2162                 .subdevice = 0x4d44,
2163                 .name = "Intel D850EMV2",       /* AD1885 */
2164                 .type = AC97_TUNE_HP_ONLY
2165         },
2166         {
2167                 .subvendor = 0x8086,
2168                 .subdevice = 0x4d56,
2169                 .name = "Intel ICH/AD1885",
2170                 .type = AC97_TUNE_HP_ONLY
2171         },
2172         {
2173                 .subvendor = 0x8086,
2174                 .subdevice = 0x6000,
2175                 .mask = 0xfff0,
2176                 .name = "Intel ICH5/AD1985",
2177                 .type = AC97_TUNE_AD_SHARING
2178         },
2179         {
2180                 .subvendor = 0x8086,
2181                 .subdevice = 0xe000,
2182                 .mask = 0xfff0,
2183                 .name = "Intel ICH5/AD1985",
2184                 .type = AC97_TUNE_AD_SHARING
2185         },
2186 #if 0 /* FIXME: this seems wrong on most boards */
2187         {
2188                 .subvendor = 0x8086,
2189                 .subdevice = 0xa000,
2190                 .mask = 0xfff0,
2191                 .name = "Intel ICH5/AD1985",
2192                 .type = AC97_TUNE_HP_ONLY
2193         },
2194 #endif
2195         { } /* terminator */
2196 };
2197
2198 static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2199                               const char *quirk_override)
2200 {
2201         struct snd_ac97_bus *pbus;
2202         struct snd_ac97_template ac97;
2203         int err;
2204         unsigned int i, codecs;
2205         unsigned int glob_sta = 0;
2206         struct snd_ac97_bus_ops *ops;
2207         static struct snd_ac97_bus_ops standard_bus_ops = {
2208                 .write = snd_intel8x0_codec_write,
2209                 .read = snd_intel8x0_codec_read,
2210         };
2211         static struct snd_ac97_bus_ops ali_bus_ops = {
2212                 .write = snd_intel8x0_ali_codec_write,
2213                 .read = snd_intel8x0_ali_codec_read,
2214         };
2215
2216         chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2217         if (!spdif_aclink) {
2218                 switch (chip->device_type) {
2219                 case DEVICE_NFORCE:
2220                         chip->spdif_idx = NVD_SPBAR;
2221                         break;
2222                 case DEVICE_ALI:
2223                         chip->spdif_idx = ALID_AC97SPDIFOUT;
2224                         break;
2225                 case DEVICE_INTEL_ICH4:
2226                         chip->spdif_idx = ICHD_SPBAR;
2227                         break;
2228                 }
2229         }
2230
2231         chip->in_ac97_init = 1;
2232
2233         memset(&ac97, 0, sizeof(ac97));
2234         ac97.private_data = chip;
2235         ac97.private_free = snd_intel8x0_mixer_free_ac97;
2236         ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2237         if (chip->xbox)
2238                 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2239         if (chip->device_type != DEVICE_ALI) {
2240                 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2241                 ops = &standard_bus_ops;
2242                 chip->in_sdin_init = 1;
2243                 codecs = 0;
2244                 for (i = 0; i < chip->max_codecs; i++) {
2245                         if (! (glob_sta & chip->codec_bit[i]))
2246                                 continue;
2247                         if (chip->device_type == DEVICE_INTEL_ICH4) {
2248                                 snd_intel8x0_codec_read_test(chip, codecs);
2249                                 chip->ac97_sdin[codecs] =
2250                                         igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2251                                 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2252                                         chip->ac97_sdin[codecs] = 0;
2253                         } else
2254                                 chip->ac97_sdin[codecs] = i;
2255                         codecs++;
2256                 }
2257                 chip->in_sdin_init = 0;
2258                 if (! codecs)
2259                         codecs = 1;
2260         } else {
2261                 ops = &ali_bus_ops;
2262                 codecs = 1;
2263                 /* detect the secondary codec */
2264                 for (i = 0; i < 100; i++) {
2265                         unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2266                         if (reg & 0x40) {
2267                                 codecs = 2;
2268                                 break;
2269                         }
2270                         iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2271                         udelay(1);
2272                 }
2273         }
2274         if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2275                 goto __err;
2276         pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2277         if (ac97_clock >= 8000 && ac97_clock <= 48000)
2278                 pbus->clock = ac97_clock;
2279         /* FIXME: my test board doesn't work well with VRA... */
2280         if (chip->device_type == DEVICE_ALI)
2281                 pbus->no_vra = 1;
2282         else
2283                 pbus->dra = 1;
2284         chip->ac97_bus = pbus;
2285         chip->ncodecs = codecs;
2286
2287         ac97.pci = chip->pci;
2288         for (i = 0; i < codecs; i++) {
2289                 ac97.num = i;
2290                 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2291                         if (err != -EACCES)
2292                                 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
2293                         if (i == 0)
2294                                 goto __err;
2295                 }
2296         }
2297         /* tune up the primary codec */
2298         snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2299         /* enable separate SDINs for ICH4 */
2300         if (chip->device_type == DEVICE_INTEL_ICH4)
2301                 pbus->isdin = 1;
2302         /* find the available PCM streams */
2303         i = ARRAY_SIZE(ac97_pcm_defs);
2304         if (chip->device_type != DEVICE_INTEL_ICH4)
2305                 i -= 2;         /* do not allocate PCM2IN and MIC2 */
2306         if (chip->spdif_idx < 0)
2307                 i--;            /* do not allocate S/PDIF */
2308         err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2309         if (err < 0)
2310                 goto __err;
2311         chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2312         chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2313         chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2314         if (chip->spdif_idx >= 0)
2315                 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2316         if (chip->device_type == DEVICE_INTEL_ICH4) {
2317                 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2318                 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2319         }
2320         /* enable separate SDINs for ICH4 */
2321         if (chip->device_type == DEVICE_INTEL_ICH4) {
2322                 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2323                 u8 tmp = igetbyte(chip, ICHREG(SDM));
2324                 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2325                 if (pcm) {
2326                         tmp |= ICH_SE;  /* steer enable for multiple SDINs */
2327                         tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2328                         for (i = 1; i < 4; i++) {
2329                                 if (pcm->r[0].codec[i]) {
2330                                         tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2331                                         break;
2332                                 }
2333                         }
2334                 } else {
2335                         tmp &= ~ICH_SE; /* steer disable */
2336                 }
2337                 iputbyte(chip, ICHREG(SDM), tmp);
2338         }
2339         if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2340                 chip->multi4 = 1;
2341                 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2342                         chip->multi6 = 1;
2343                         if (chip->ac97[0]->flags & AC97_HAS_8CH)
2344                                 chip->multi8 = 1;
2345                 }
2346         }
2347         if (pbus->pcms[0].r[1].rslots[0]) {
2348                 chip->dra = 1;
2349         }
2350         if (chip->device_type == DEVICE_INTEL_ICH4) {
2351                 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2352                         chip->smp20bit = 1;
2353         }
2354         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2355                 /* 48kHz only */
2356                 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2357         }
2358         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2359                 /* use slot 10/11 for SPDIF */
2360                 u32 val;
2361                 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2362                 val |= ICH_PCM_SPDIF_1011;
2363                 iputdword(chip, ICHREG(GLOB_CNT), val);
2364                 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2365         }
2366         chip->in_ac97_init = 0;
2367         return 0;
2368
2369  __err:
2370         /* clear the cold-reset bit for the next chance */
2371         if (chip->device_type != DEVICE_ALI)
2372                 iputdword(chip, ICHREG(GLOB_CNT),
2373                           igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2374         return err;
2375 }
2376
2377
2378 /*
2379  *
2380  */
2381
2382 static void do_ali_reset(struct intel8x0 *chip)
2383 {
2384         iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2385         iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2386         iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2387         iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2388         iputdword(chip, ICHREG(ALI_INTERFACECR),
2389                   ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2390         iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2391         iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2392 }
2393
2394 #ifdef CONFIG_SND_AC97_POWER_SAVE
2395 static struct snd_pci_quirk ich_chip_reset_mode[] = {
2396         SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2397         { } /* end */
2398 };
2399
2400 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2401 {
2402         unsigned int cnt;
2403         /* ACLink on, 2 channels */
2404
2405         if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2406                 return -EIO;
2407
2408         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2409         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2410
2411         /* do cold reset - the full ac97 powerdown may leave the controller
2412          * in a warm state but actually it cannot communicate with the codec.
2413          */
2414         iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2415         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2416         udelay(10);
2417         iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2418         msleep(1);
2419         return 0;
2420 }
2421 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2422         (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2423 #else
2424 #define snd_intel8x0_ich_chip_cold_reset(chip)  0
2425 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2426 #endif
2427
2428 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2429 {
2430         unsigned long end_time;
2431         unsigned int cnt;
2432         /* ACLink on, 2 channels */
2433         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2434         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2435         /* finish cold or do warm reset */
2436         cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2437         iputdword(chip, ICHREG(GLOB_CNT), cnt);
2438         end_time = (jiffies + (HZ / 4)) + 1;
2439         do {
2440                 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2441                         return 0;
2442                 schedule_timeout_uninterruptible(1);
2443         } while (time_after_eq(end_time, jiffies));
2444         snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2445                    igetdword(chip, ICHREG(GLOB_CNT)));
2446         return -EIO;
2447 }
2448
2449 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2450 {
2451         unsigned long end_time;
2452         unsigned int status, nstatus;
2453         unsigned int cnt;
2454         int err;
2455
2456         /* put logic to right state */
2457         /* first clear status bits */
2458         status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2459         if (chip->device_type == DEVICE_NFORCE)
2460                 status |= ICH_NVSPINT;
2461         cnt = igetdword(chip, ICHREG(GLOB_STA));
2462         iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2463
2464         if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2465                 err = snd_intel8x0_ich_chip_cold_reset(chip);
2466         else
2467                 err = snd_intel8x0_ich_chip_reset(chip);
2468         if (err < 0)
2469                 return err;
2470
2471         if (probing) {
2472                 /* wait for any codec ready status.
2473                  * Once it becomes ready it should remain ready
2474                  * as long as we do not disable the ac97 link.
2475                  */
2476                 end_time = jiffies + HZ;
2477                 do {
2478                         status = igetdword(chip, ICHREG(GLOB_STA)) &
2479                                 chip->codec_isr_bits;
2480                         if (status)
2481                                 break;
2482                         schedule_timeout_uninterruptible(1);
2483                 } while (time_after_eq(end_time, jiffies));
2484                 if (! status) {
2485                         /* no codec is found */
2486                         snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
2487                                    igetdword(chip, ICHREG(GLOB_STA)));
2488                         return -EIO;
2489                 }
2490
2491                 /* wait for other codecs ready status. */
2492                 end_time = jiffies + HZ / 4;
2493                 while (status != chip->codec_isr_bits &&
2494                        time_after_eq(end_time, jiffies)) {
2495                         schedule_timeout_uninterruptible(1);
2496                         status |= igetdword(chip, ICHREG(GLOB_STA)) &
2497                                 chip->codec_isr_bits;
2498                 }
2499
2500         } else {
2501                 /* resume phase */
2502                 int i;
2503                 status = 0;
2504                 for (i = 0; i < chip->ncodecs; i++)
2505                         if (chip->ac97[i])
2506                                 status |= chip->codec_bit[chip->ac97_sdin[i]];
2507                 /* wait until all the probed codecs are ready */
2508                 end_time = jiffies + HZ;
2509                 do {
2510                         nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2511                                 chip->codec_isr_bits;
2512                         if (status == nstatus)
2513                                 break;
2514                         schedule_timeout_uninterruptible(1);
2515                 } while (time_after_eq(end_time, jiffies));
2516         }
2517
2518         if (chip->device_type == DEVICE_SIS) {
2519                 /* unmute the output on SIS7012 */
2520                 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2521         }
2522         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2523                 /* enable SPDIF interrupt */
2524                 unsigned int val;
2525                 pci_read_config_dword(chip->pci, 0x4c, &val);
2526                 val |= 0x1000000;
2527                 pci_write_config_dword(chip->pci, 0x4c, val);
2528         }
2529         return 0;
2530 }
2531
2532 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2533 {
2534         u32 reg;
2535         int i = 0;
2536
2537         reg = igetdword(chip, ICHREG(ALI_SCR));
2538         if ((reg & 2) == 0)     /* Cold required */
2539                 reg |= 2;
2540         else
2541                 reg |= 1;       /* Warm */
2542         reg &= ~0x80000000;     /* ACLink on */
2543         iputdword(chip, ICHREG(ALI_SCR), reg);
2544
2545         for (i = 0; i < HZ / 2; i++) {
2546                 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2547                         goto __ok;
2548                 schedule_timeout_uninterruptible(1);
2549         }
2550         snd_printk(KERN_ERR "AC'97 reset failed.\n");
2551         if (probing)
2552                 return -EIO;
2553
2554  __ok:
2555         for (i = 0; i < HZ / 2; i++) {
2556                 reg = igetdword(chip, ICHREG(ALI_RTSR));
2557                 if (reg & 0x80) /* primary codec */
2558                         break;
2559                 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2560                 schedule_timeout_uninterruptible(1);
2561         }
2562
2563         do_ali_reset(chip);
2564         return 0;
2565 }
2566
2567 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2568 {
2569         unsigned int i, timeout;
2570         int err;
2571
2572         if (chip->device_type != DEVICE_ALI) {
2573                 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2574                         return err;
2575                 iagetword(chip, 0);     /* clear semaphore flag */
2576         } else {
2577                 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2578                         return err;
2579         }
2580
2581         /* disable interrupts */
2582         for (i = 0; i < chip->bdbars_count; i++)
2583                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2584         /* reset channels */
2585         for (i = 0; i < chip->bdbars_count; i++)
2586                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2587         for (i = 0; i < chip->bdbars_count; i++) {
2588                 timeout = 100000;
2589                 while (--timeout != 0) {
2590                         if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2591                                 break;
2592                 }
2593                 if (timeout == 0)
2594                         printk(KERN_ERR "intel8x0: reset of registers failed?\n");
2595         }
2596         /* initialize Buffer Descriptor Lists */
2597         for (i = 0; i < chip->bdbars_count; i++)
2598                 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2599                           chip->ichd[i].bdbar_addr);
2600         return 0;
2601 }
2602
2603 static int snd_intel8x0_free(struct intel8x0 *chip)
2604 {
2605         unsigned int i;
2606
2607         if (chip->irq < 0)
2608                 goto __hw_end;
2609         /* disable interrupts */
2610         for (i = 0; i < chip->bdbars_count; i++)
2611                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2612         /* reset channels */
2613         for (i = 0; i < chip->bdbars_count; i++)
2614                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2615         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2616                 /* stop the spdif interrupt */
2617                 unsigned int val;
2618                 pci_read_config_dword(chip->pci, 0x4c, &val);
2619                 val &= ~0x1000000;
2620                 pci_write_config_dword(chip->pci, 0x4c, val);
2621         }
2622         /* --- */
2623
2624       __hw_end:
2625         if (chip->irq >= 0)
2626                 free_irq(chip->irq, chip);
2627         if (chip->bdbars.area) {
2628                 if (chip->fix_nocache)
2629                         fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2630                 snd_dma_free_pages(&chip->bdbars);
2631         }
2632         if (chip->addr)
2633                 pci_iounmap(chip->pci, chip->addr);
2634         if (chip->bmaddr)
2635                 pci_iounmap(chip->pci, chip->bmaddr);
2636         pci_release_regions(chip->pci);
2637         pci_disable_device(chip->pci);
2638         kfree(chip);
2639         return 0;
2640 }
2641
2642 #ifdef CONFIG_PM_SLEEP
2643 /*
2644  * power management
2645  */
2646 static int intel8x0_suspend(struct device *dev)
2647 {
2648         struct pci_dev *pci = to_pci_dev(dev);
2649         struct snd_card *card = dev_get_drvdata(dev);
2650         struct intel8x0 *chip = card->private_data;
2651         int i;
2652
2653         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2654         for (i = 0; i < chip->pcm_devs; i++)
2655                 snd_pcm_suspend_all(chip->pcm[i]);
2656         /* clear nocache */
2657         if (chip->fix_nocache) {
2658                 for (i = 0; i < chip->bdbars_count; i++) {
2659                         struct ichdev *ichdev = &chip->ichd[i];
2660                         if (ichdev->substream && ichdev->page_attr_changed) {
2661                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2662                                 if (runtime->dma_area)
2663                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2664                         }
2665                 }
2666         }
2667         for (i = 0; i < chip->ncodecs; i++)
2668                 snd_ac97_suspend(chip->ac97[i]);
2669         if (chip->device_type == DEVICE_INTEL_ICH4)
2670                 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2671
2672         if (chip->irq >= 0) {
2673                 free_irq(chip->irq, chip);
2674                 chip->irq = -1;
2675         }
2676         pci_disable_device(pci);
2677         pci_save_state(pci);
2678         /* The call below may disable built-in speaker on some laptops
2679          * after S2RAM.  So, don't touch it.
2680          */
2681         /* pci_set_power_state(pci, PCI_D3hot); */
2682         return 0;
2683 }
2684
2685 static int intel8x0_resume(struct device *dev)
2686 {
2687         struct pci_dev *pci = to_pci_dev(dev);
2688         struct snd_card *card = dev_get_drvdata(dev);
2689         struct intel8x0 *chip = card->private_data;
2690         int i;
2691
2692         pci_set_power_state(pci, PCI_D0);
2693         pci_restore_state(pci);
2694         if (pci_enable_device(pci) < 0) {
2695                 printk(KERN_ERR "intel8x0: pci_enable_device failed, "
2696                        "disabling device\n");
2697                 snd_card_disconnect(card);
2698                 return -EIO;
2699         }
2700         pci_set_master(pci);
2701         snd_intel8x0_chip_init(chip, 0);
2702         if (request_irq(pci->irq, snd_intel8x0_interrupt,
2703                         IRQF_SHARED, KBUILD_MODNAME, chip)) {
2704                 printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
2705                        "disabling device\n", pci->irq);
2706                 snd_card_disconnect(card);
2707                 return -EIO;
2708         }
2709         chip->irq = pci->irq;
2710         synchronize_irq(chip->irq);
2711
2712         /* re-initialize mixer stuff */
2713         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2714                 /* enable separate SDINs for ICH4 */
2715                 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2716                 /* use slot 10/11 for SPDIF */
2717                 iputdword(chip, ICHREG(GLOB_CNT),
2718                           (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2719                           ICH_PCM_SPDIF_1011);
2720         }
2721
2722         /* refill nocache */
2723         if (chip->fix_nocache)
2724                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2725
2726         for (i = 0; i < chip->ncodecs; i++)
2727                 snd_ac97_resume(chip->ac97[i]);
2728
2729         /* refill nocache */
2730         if (chip->fix_nocache) {
2731                 for (i = 0; i < chip->bdbars_count; i++) {
2732                         struct ichdev *ichdev = &chip->ichd[i];
2733                         if (ichdev->substream && ichdev->page_attr_changed) {
2734                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2735                                 if (runtime->dma_area)
2736                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2737                         }
2738                 }
2739         }
2740
2741         /* resume status */
2742         for (i = 0; i < chip->bdbars_count; i++) {
2743                 struct ichdev *ichdev = &chip->ichd[i];
2744                 unsigned long port = ichdev->reg_offset;
2745                 if (! ichdev->substream || ! ichdev->suspended)
2746                         continue;
2747                 if (ichdev->ichd == ICHD_PCMOUT)
2748                         snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2749                 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2750                 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2751                 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2752                 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2753         }
2754
2755         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2756         return 0;
2757 }
2758
2759 static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
2760 #define INTEL8X0_PM_OPS &intel8x0_pm
2761 #else
2762 #define INTEL8X0_PM_OPS NULL
2763 #endif /* CONFIG_PM_SLEEP */
2764
2765 #define INTEL8X0_TESTBUF_SIZE   32768   /* enough large for one shot */
2766
2767 static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2768 {
2769         struct snd_pcm_substream *subs;
2770         struct ichdev *ichdev;
2771         unsigned long port;
2772         unsigned long pos, pos1, t;
2773         int civ, timeout = 1000, attempt = 1;
2774         struct timespec start_time, stop_time;
2775
2776         if (chip->ac97_bus->clock != 48000)
2777                 return; /* specified in module option */
2778
2779       __again:
2780         subs = chip->pcm[0]->streams[0].substream;
2781         if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2782                 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
2783                 return;
2784         }
2785         ichdev = &chip->ichd[ICHD_PCMOUT];
2786         ichdev->physbuf = subs->dma_buffer.addr;
2787         ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2788         ichdev->substream = NULL; /* don't process interrupts */
2789
2790         /* set rate */
2791         if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2792                 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
2793                 return;
2794         }
2795         snd_intel8x0_setup_periods(chip, ichdev);
2796         port = ichdev->reg_offset;
2797         spin_lock_irq(&chip->reg_lock);
2798         chip->in_measurement = 1;
2799         /* trigger */
2800         if (chip->device_type != DEVICE_ALI)
2801                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2802         else {
2803                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2804                 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2805         }
2806         do_posix_clock_monotonic_gettime(&start_time);
2807         spin_unlock_irq(&chip->reg_lock);
2808         msleep(50);
2809         spin_lock_irq(&chip->reg_lock);
2810         /* check the position */
2811         do {
2812                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2813                 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2814                 if (pos1 == 0) {
2815                         udelay(10);
2816                         continue;
2817                 }
2818                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2819                     pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2820                         break;
2821         } while (timeout--);
2822         if (pos1 == 0) {        /* oops, this value is not reliable */
2823                 pos = 0;
2824         } else {
2825                 pos = ichdev->fragsize1;
2826                 pos -= pos1 << ichdev->pos_shift;
2827                 pos += ichdev->position;
2828         }
2829         chip->in_measurement = 0;
2830         do_posix_clock_monotonic_gettime(&stop_time);
2831         /* stop */
2832         if (chip->device_type == DEVICE_ALI) {
2833                 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2834                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2835                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2836                         ;
2837         } else {
2838                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2839                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2840                         ;
2841         }
2842         iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2843         spin_unlock_irq(&chip->reg_lock);
2844
2845         if (pos == 0) {
2846                 snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
2847               __retry:
2848                 if (attempt < 3) {
2849                         msleep(300);
2850                         attempt++;
2851                         goto __again;
2852                 }
2853                 goto __end;
2854         }
2855
2856         pos /= 4;
2857         t = stop_time.tv_sec - start_time.tv_sec;
2858         t *= 1000000;
2859         t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
2860         printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2861         if (t == 0) {
2862                 snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
2863                 goto __retry;
2864         }
2865         pos *= 1000;
2866         pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2867         if (pos < 40000 || pos >= 60000) {
2868                 /* abnormal value. hw problem? */
2869                 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2870                 goto __retry;
2871         } else if (pos > 40500 && pos < 41500)
2872                 /* first exception - 41000Hz reference clock */
2873                 chip->ac97_bus->clock = 41000;
2874         else if (pos > 43600 && pos < 44600)
2875                 /* second exception - 44100HZ reference clock */
2876                 chip->ac97_bus->clock = 44100;
2877         else if (pos < 47500 || pos > 48500)
2878                 /* not 48000Hz, tuning the clock.. */
2879                 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2880       __end:
2881         printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2882         snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2883 }
2884
2885 static struct snd_pci_quirk intel8x0_clock_list[] = {
2886         SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2887         SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2888         SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2889         SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2890         SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2891         { }     /* terminator */
2892 };
2893
2894 static int intel8x0_in_clock_list(struct intel8x0 *chip)
2895 {
2896         struct pci_dev *pci = chip->pci;
2897         const struct snd_pci_quirk *wl;
2898
2899         wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2900         if (!wl)
2901                 return 0;
2902         printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n",
2903                pci->subsystem_vendor, pci->subsystem_device, wl->value);
2904         chip->ac97_bus->clock = wl->value;
2905         return 1;
2906 }
2907
2908 #ifdef CONFIG_PROC_FS
2909 static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2910                                    struct snd_info_buffer *buffer)
2911 {
2912         struct intel8x0 *chip = entry->private_data;
2913         unsigned int tmp;
2914
2915         snd_iprintf(buffer, "Intel8x0\n\n");
2916         if (chip->device_type == DEVICE_ALI)
2917                 return;
2918         tmp = igetdword(chip, ICHREG(GLOB_STA));
2919         snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2920         snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2921         if (chip->device_type == DEVICE_INTEL_ICH4)
2922                 snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2923         snd_iprintf(buffer, "AC'97 codecs ready    :");
2924         if (tmp & chip->codec_isr_bits) {
2925                 int i;
2926                 static const char *codecs[3] = {
2927                         "primary", "secondary", "tertiary"
2928                 };
2929                 for (i = 0; i < chip->max_codecs; i++)
2930                         if (tmp & chip->codec_bit[i])
2931                                 snd_iprintf(buffer, " %s", codecs[i]);
2932         } else
2933                 snd_iprintf(buffer, " none");
2934         snd_iprintf(buffer, "\n");
2935         if (chip->device_type == DEVICE_INTEL_ICH4 ||
2936             chip->device_type == DEVICE_SIS)
2937                 snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2938                         chip->ac97_sdin[0],
2939                         chip->ac97_sdin[1],
2940                         chip->ac97_sdin[2]);
2941 }
2942
2943 static void snd_intel8x0_proc_init(struct intel8x0 *chip)
2944 {
2945         struct snd_info_entry *entry;
2946
2947         if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2948                 snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2949 }
2950 #else
2951 #define snd_intel8x0_proc_init(x)
2952 #endif
2953
2954 static int snd_intel8x0_dev_free(struct snd_device *device)
2955 {
2956         struct intel8x0 *chip = device->device_data;
2957         return snd_intel8x0_free(chip);
2958 }
2959
2960 struct ich_reg_info {
2961         unsigned int int_sta_mask;
2962         unsigned int offset;
2963 };
2964
2965 static unsigned int ich_codec_bits[3] = {
2966         ICH_PCR, ICH_SCR, ICH_TCR
2967 };
2968 static unsigned int sis_codec_bits[3] = {
2969         ICH_PCR, ICH_SCR, ICH_SIS_TCR
2970 };
2971
2972 static int snd_intel8x0_inside_vm(struct pci_dev *pci)
2973 {
2974         int result  = inside_vm;
2975         char *msg   = NULL;
2976
2977         /* check module parameter first (override detection) */
2978         if (result >= 0) {
2979                 msg = result ? "enable (forced) VM" : "disable (forced) VM";
2980                 goto fini;
2981         }
2982
2983         /* detect KVM and Parallels virtual environments */
2984         result = kvm_para_available();
2985 #ifdef X86_FEATURE_HYPERVISOR
2986         result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
2987 #endif
2988         if (!result)
2989                 goto fini;
2990
2991         /* check for known (emulated) devices */
2992         if (pci->subsystem_vendor == 0x1af4 &&
2993             pci->subsystem_device == 0x1100) {
2994                 /* KVM emulated sound, PCI SSID: 1af4:1100 */
2995                 msg = "enable KVM";
2996         } else if (pci->subsystem_vendor == 0x1ab8) {
2997                 /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2998                 msg = "enable Parallels VM";
2999         } else {
3000                 msg = "disable (unknown or VT-d) VM";
3001                 result = 0;
3002         }
3003
3004 fini:
3005         if (msg != NULL)
3006                 printk(KERN_INFO "intel8x0: %s optimization\n", msg);
3007
3008         return result;
3009 }
3010
3011 static int snd_intel8x0_create(struct snd_card *card,
3012                                struct pci_dev *pci,
3013                                unsigned long device_type,
3014                                struct intel8x0 **r_intel8x0)
3015 {
3016         struct intel8x0 *chip;
3017         int err;
3018         unsigned int i;
3019         unsigned int int_sta_masks;
3020         struct ichdev *ichdev;
3021         static struct snd_device_ops ops = {
3022                 .dev_free =     snd_intel8x0_dev_free,
3023         };
3024
3025         static unsigned int bdbars[] = {
3026                 3, /* DEVICE_INTEL */
3027                 6, /* DEVICE_INTEL_ICH4 */
3028                 3, /* DEVICE_SIS */
3029                 6, /* DEVICE_ALI */
3030                 4, /* DEVICE_NFORCE */
3031         };
3032         static struct ich_reg_info intel_regs[6] = {
3033                 { ICH_PIINT, 0 },
3034                 { ICH_POINT, 0x10 },
3035                 { ICH_MCINT, 0x20 },
3036                 { ICH_M2INT, 0x40 },
3037                 { ICH_P2INT, 0x50 },
3038                 { ICH_SPINT, 0x60 },
3039         };
3040         static struct ich_reg_info nforce_regs[4] = {
3041                 { ICH_PIINT, 0 },
3042                 { ICH_POINT, 0x10 },
3043                 { ICH_MCINT, 0x20 },
3044                 { ICH_NVSPINT, 0x70 },
3045         };
3046         static struct ich_reg_info ali_regs[6] = {
3047                 { ALI_INT_PCMIN, 0x40 },
3048                 { ALI_INT_PCMOUT, 0x50 },
3049                 { ALI_INT_MICIN, 0x60 },
3050                 { ALI_INT_CODECSPDIFOUT, 0x70 },
3051                 { ALI_INT_SPDIFIN, 0xa0 },
3052                 { ALI_INT_SPDIFOUT, 0xb0 },
3053         };
3054         struct ich_reg_info *tbl;
3055
3056         *r_intel8x0 = NULL;
3057
3058         if ((err = pci_enable_device(pci)) < 0)
3059                 return err;
3060
3061         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
3062         if (chip == NULL) {
3063                 pci_disable_device(pci);
3064                 return -ENOMEM;
3065         }
3066         spin_lock_init(&chip->reg_lock);
3067         chip->device_type = device_type;
3068         chip->card = card;
3069         chip->pci = pci;
3070         chip->irq = -1;
3071
3072         /* module parameters */
3073         chip->buggy_irq = buggy_irq;
3074         chip->buggy_semaphore = buggy_semaphore;
3075         if (xbox)
3076                 chip->xbox = 1;
3077
3078         chip->inside_vm = snd_intel8x0_inside_vm(pci);
3079
3080         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
3081             pci->device == PCI_DEVICE_ID_INTEL_440MX)
3082                 chip->fix_nocache = 1; /* enable workaround */
3083
3084         if ((err = pci_request_regions(pci, card->shortname)) < 0) {
3085                 kfree(chip);
3086                 pci_disable_device(pci);
3087                 return err;
3088         }
3089
3090         if (device_type == DEVICE_ALI) {
3091                 /* ALI5455 has no ac97 region */
3092                 chip->bmaddr = pci_iomap(pci, 0, 0);
3093                 goto port_inited;
3094         }
3095
3096         if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
3097                 chip->addr = pci_iomap(pci, 2, 0);
3098         else
3099                 chip->addr = pci_iomap(pci, 0, 0);
3100         if (!chip->addr) {
3101                 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
3102                 snd_intel8x0_free(chip);
3103                 return -EIO;
3104         }
3105         if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3106                 chip->bmaddr = pci_iomap(pci, 3, 0);
3107         else
3108                 chip->bmaddr = pci_iomap(pci, 1, 0);
3109         if (!chip->bmaddr) {
3110                 snd_printk(KERN_ERR "Controller space ioremap problem\n");
3111                 snd_intel8x0_free(chip);
3112                 return -EIO;
3113         }
3114
3115  port_inited:
3116         chip->bdbars_count = bdbars[device_type];
3117
3118         /* initialize offsets */
3119         switch (device_type) {
3120         case DEVICE_NFORCE:
3121                 tbl = nforce_regs;
3122                 break;
3123         case DEVICE_ALI:
3124                 tbl = ali_regs;
3125                 break;
3126         default:
3127                 tbl = intel_regs;
3128                 break;
3129         }
3130         for (i = 0; i < chip->bdbars_count; i++) {
3131                 ichdev = &chip->ichd[i];
3132                 ichdev->ichd = i;
3133                 ichdev->reg_offset = tbl[i].offset;
3134                 ichdev->int_sta_mask = tbl[i].int_sta_mask;
3135                 if (device_type == DEVICE_SIS) {
3136                         /* SiS 7012 swaps the registers */
3137                         ichdev->roff_sr = ICH_REG_OFF_PICB;
3138                         ichdev->roff_picb = ICH_REG_OFF_SR;
3139                 } else {
3140                         ichdev->roff_sr = ICH_REG_OFF_SR;
3141                         ichdev->roff_picb = ICH_REG_OFF_PICB;
3142                 }
3143                 if (device_type == DEVICE_ALI)
3144                         ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3145                 /* SIS7012 handles the pcm data in bytes, others are in samples */
3146                 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3147         }
3148
3149         /* allocate buffer descriptor lists */
3150         /* the start of each lists must be aligned to 8 bytes */
3151         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3152                                 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3153                                 &chip->bdbars) < 0) {
3154                 snd_intel8x0_free(chip);
3155                 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
3156                 return -ENOMEM;
3157         }
3158         /* tables must be aligned to 8 bytes here, but the kernel pages
3159            are much bigger, so we don't care (on i386) */
3160         /* workaround for 440MX */
3161         if (chip->fix_nocache)
3162                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3163         int_sta_masks = 0;
3164         for (i = 0; i < chip->bdbars_count; i++) {
3165                 ichdev = &chip->ichd[i];
3166                 ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3167                         (i * ICH_MAX_FRAGS * 2);
3168                 ichdev->bdbar_addr = chip->bdbars.addr +
3169                         (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3170                 int_sta_masks |= ichdev->int_sta_mask;
3171         }
3172         chip->int_sta_reg = device_type == DEVICE_ALI ?
3173                 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3174         chip->int_sta_mask = int_sta_masks;
3175
3176         pci_set_master(pci);
3177
3178         switch(chip->device_type) {
3179         case DEVICE_INTEL_ICH4:
3180                 /* ICH4 can have three codecs */
3181                 chip->max_codecs = 3;
3182                 chip->codec_bit = ich_codec_bits;
3183                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3184                 break;
3185         case DEVICE_SIS:
3186                 /* recent SIS7012 can have three codecs */
3187                 chip->max_codecs = 3;
3188                 chip->codec_bit = sis_codec_bits;
3189                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3190                 break;
3191         default:
3192                 /* others up to two codecs */
3193                 chip->max_codecs = 2;
3194                 chip->codec_bit = ich_codec_bits;
3195                 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3196                 break;
3197         }
3198         for (i = 0; i < chip->max_codecs; i++)
3199                 chip->codec_isr_bits |= chip->codec_bit[i];
3200
3201         if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3202                 snd_intel8x0_free(chip);
3203                 return err;
3204         }
3205
3206         /* request irq after initializaing int_sta_mask, etc */
3207         if (request_irq(pci->irq, snd_intel8x0_interrupt,
3208                         IRQF_SHARED, KBUILD_MODNAME, chip)) {
3209                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3210                 snd_intel8x0_free(chip);
3211                 return -EBUSY;
3212         }
3213         chip->irq = pci->irq;
3214
3215         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3216                 snd_intel8x0_free(chip);
3217                 return err;
3218         }
3219
3220         snd_card_set_dev(card, &pci->dev);
3221
3222         *r_intel8x0 = chip;
3223         return 0;
3224 }
3225
3226 static struct shortname_table {
3227         unsigned int id;
3228         const char *s;
3229 } shortnames[] = {
3230         { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3231         { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3232         { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3233         { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3234         { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3235         { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3236         { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3237         { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3238         { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3239         { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3240         { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3241         { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3242         { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3243         { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3244         { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3245         { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3246         { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3247         { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3248         { 0x003a, "NVidia MCP04" },
3249         { 0x746d, "AMD AMD8111" },
3250         { 0x7445, "AMD AMD768" },
3251         { 0x5455, "ALi M5455" },
3252         { 0, NULL },
3253 };
3254
3255 static struct snd_pci_quirk spdif_aclink_defaults[] = {
3256         SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3257         { } /* end */
3258 };
3259
3260 /* look up white/black list for SPDIF over ac-link */
3261 static int check_default_spdif_aclink(struct pci_dev *pci)
3262 {
3263         const struct snd_pci_quirk *w;
3264
3265         w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3266         if (w) {
3267                 if (w->value)
3268                         snd_printdd(KERN_INFO
3269                                     "intel8x0: Using SPDIF over AC-Link for %s\n",
3270                                     snd_pci_quirk_name(w));
3271                 else
3272                         snd_printdd(KERN_INFO
3273                                     "intel8x0: Using integrated SPDIF DMA for %s\n",
3274                                     snd_pci_quirk_name(w));
3275                 return w->value;
3276         }
3277         return 0;
3278 }
3279
3280 static int snd_intel8x0_probe(struct pci_dev *pci,
3281                               const struct pci_device_id *pci_id)
3282 {
3283         struct snd_card *card;
3284         struct intel8x0 *chip;
3285         int err;
3286         struct shortname_table *name;
3287
3288         err = snd_card_create(index, id, THIS_MODULE, 0, &card);
3289         if (err < 0)
3290                 return err;
3291
3292         if (spdif_aclink < 0)
3293                 spdif_aclink = check_default_spdif_aclink(pci);
3294
3295         strcpy(card->driver, "ICH");
3296         if (!spdif_aclink) {
3297                 switch (pci_id->driver_data) {
3298                 case DEVICE_NFORCE:
3299                         strcpy(card->driver, "NFORCE");
3300                         break;
3301                 case DEVICE_INTEL_ICH4:
3302                         strcpy(card->driver, "ICH4");
3303                 }
3304         }
3305
3306         strcpy(card->shortname, "Intel ICH");
3307         for (name = shortnames; name->id; name++) {
3308                 if (pci->device == name->id) {
3309                         strcpy(card->shortname, name->s);
3310                         break;
3311                 }
3312         }
3313
3314         if (buggy_irq < 0) {
3315                 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3316                  * Needs to return IRQ_HANDLED for unknown irqs.
3317                  */
3318                 if (pci_id->driver_data == DEVICE_NFORCE)
3319                         buggy_irq = 1;
3320                 else
3321                         buggy_irq = 0;
3322         }
3323
3324         if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3325                                        &chip)) < 0) {
3326                 snd_card_free(card);
3327                 return err;
3328         }
3329         card->private_data = chip;
3330
3331         if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3332                 snd_card_free(card);
3333                 return err;
3334         }
3335         if ((err = snd_intel8x0_pcm(chip)) < 0) {
3336                 snd_card_free(card);
3337                 return err;
3338         }
3339
3340         snd_intel8x0_proc_init(chip);
3341
3342         snprintf(card->longname, sizeof(card->longname),
3343                  "%s with %s at irq %i", card->shortname,
3344                  snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3345
3346         if (ac97_clock == 0 || ac97_clock == 1) {
3347                 if (ac97_clock == 0) {
3348                         if (intel8x0_in_clock_list(chip) == 0)
3349                                 intel8x0_measure_ac97_clock(chip);
3350                 } else {
3351                         intel8x0_measure_ac97_clock(chip);
3352                 }
3353         }
3354
3355         if ((err = snd_card_register(card)) < 0) {
3356                 snd_card_free(card);
3357                 return err;
3358         }
3359         pci_set_drvdata(pci, card);
3360         return 0;
3361 }
3362
3363 static void snd_intel8x0_remove(struct pci_dev *pci)
3364 {
3365         snd_card_free(pci_get_drvdata(pci));
3366 }
3367
3368 static struct pci_driver intel8x0_driver = {
3369         .name = KBUILD_MODNAME,
3370         .id_table = snd_intel8x0_ids,
3371         .probe = snd_intel8x0_probe,
3372         .remove = snd_intel8x0_remove,
3373         .driver = {
3374                 .pm = INTEL8X0_PM_OPS,
3375         },
3376 };
3377
3378 module_pci_driver(intel8x0_driver);