sound/pci/intel8x0.c

   1 /*
   2  *   ALSA driver for Intel ICH (i8x0) chipsets
   3  *
   4  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   5  *
   6  *
   7  *   This code also contains alpha support for SiS 735 chipsets provided
   8  *   by Mike Pieper <mptei@users.sourceforge.net>. 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/moduleparam.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 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  46 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  47 MODULE_LICENSE("GPL");
  48 MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
  49                 "{Intel,82901AB-ICH0},"
  50                 "{Intel,82801BA-ICH2},"
  51                 "{Intel,82801CA-ICH3},"
  52                 "{Intel,82801DB-ICH4},"
  53                 "{Intel,ICH5},"
  54                 "{Intel,ICH6},"
  55                 "{Intel,ICH7},"
  56                 "{Intel,6300ESB},"
  57                 "{Intel,ESB2},"
  58                 "{Intel,MX440},"
  59                 "{SiS,SI7012},"
  60                 "{NVidia,nForce Audio},"
  61                 "{NVidia,nForce2 Audio},"
  62                 "{NVidia,nForce3 Audio},"
  63                 "{NVidia,MCP04},"
  64                 "{NVidia,MCP501},"
  65                 "{NVidia,CK804},"
  66                 "{NVidia,CK8},"
  67                 "{NVidia,CK8S},"
  68                 "{AMD,AMD768},"
  69                 "{AMD,AMD8111},"
  70                 "{ALI,M5455}}");
  71
  72 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  73 static char *id = SNDRV_DEFAULT_STR1;   /* ID for this card */
  74 static int ac97_clock;
  75 static char *ac97_quirk;
  76 static int buggy_semaphore;
  77 static int buggy_irq = -1; /* auto-check */
  78 static int xbox;
  79 static int spdif_aclink = -1;
  80
  81 module_param(index, int, 0444);
  82 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  83 module_param(id, charp, 0444);
  84 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  85 module_param(ac97_clock, int, 0444);
  86 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
  87 module_param(ac97_quirk, charp, 0444);
  88 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  89 module_param(buggy_semaphore, bool, 0444);
  90 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  91 module_param(buggy_irq, bool, 0444);
  92 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
  93 module_param(xbox, bool, 0444);
  94 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
  95 module_param(spdif_aclink, int, 0444);
  96 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
  97
  98 /* just for backward compatibility */
  99 static int enable;
 100 module_param(enable, bool, 0444);
 101 static int joystick;
 102 module_param(joystick, int, 0444);
 103
 104 /*
 105  *  Direct registers
 106  */
 107 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
 108
 109 #define ICHREG(x) ICH_REG_##x
 110
 111 #define DEFINE_REGSET(name,base) \
 112 enum { \
 113         ICH_REG_##name##_BDBAR  = base + 0x0,   /* dword - buffer descriptor list base address */ \
 114         ICH_REG_##name##_CIV    = base + 0x04,  /* byte - current index value */ \
 115         ICH_REG_##name##_LVI    = base + 0x05,  /* byte - last valid index */ \
 116         ICH_REG_##name##_SR     = base + 0x06,  /* byte - status register */ \
 117         ICH_REG_##name##_PICB   = base + 0x08,  /* word - position in current buffer */ \
 118         ICH_REG_##name##_PIV    = base + 0x0a,  /* byte - prefetched index value */ \
 119         ICH_REG_##name##_CR     = base + 0x0b,  /* byte - control register */ \
 120 };
 121
 122 /* busmaster blocks */
 123 DEFINE_REGSET(OFF, 0);          /* offset */
 124 DEFINE_REGSET(PI, 0x00);        /* PCM in */
 125 DEFINE_REGSET(PO, 0x10);        /* PCM out */
 126 DEFINE_REGSET(MC, 0x20);        /* Mic in */
 127
 128 /* ICH4 busmaster blocks */
 129 DEFINE_REGSET(MC2, 0x40);       /* Mic in 2 */
 130 DEFINE_REGSET(PI2, 0x50);       /* PCM in 2 */
 131 DEFINE_REGSET(SP, 0x60);        /* SPDIF out */
 132
 133 /* values for each busmaster block */
 134
 135 /* LVI */
 136 #define ICH_REG_LVI_MASK                0x1f
 137
 138 /* SR */
 139 #define ICH_FIFOE                       0x10    /* FIFO error */
 140 #define ICH_BCIS                        0x08    /* buffer completion interrupt status */
 141 #define ICH_LVBCI                       0x04    /* last valid buffer completion interrupt */
 142 #define ICH_CELV                        0x02    /* current equals last valid */
 143 #define ICH_DCH                         0x01    /* DMA controller halted */
 144
 145 /* PIV */
 146 #define ICH_REG_PIV_MASK                0x1f    /* mask */
 147
 148 /* CR */
 149 #define ICH_IOCE                        0x10    /* interrupt on completion enable */
 150 #define ICH_FEIE                        0x08    /* fifo error interrupt enable */
 151 #define ICH_LVBIE                       0x04    /* last valid buffer interrupt enable */
 152 #define ICH_RESETREGS                   0x02    /* reset busmaster registers */
 153 #define ICH_STARTBM                     0x01    /* start busmaster operation */
 154
 155
 156 /* global block */
 157 #define ICH_REG_GLOB_CNT                0x2c    /* dword - global control */
 158 #define   ICH_PCM_SPDIF_MASK    0xc0000000      /* s/pdif pcm slot mask (ICH4) */
 159 #define   ICH_PCM_SPDIF_NONE    0x00000000      /* reserved - undefined */
 160 #define   ICH_PCM_SPDIF_78      0x40000000      /* s/pdif pcm on slots 7&8 */
 161 #define   ICH_PCM_SPDIF_69      0x80000000      /* s/pdif pcm on slots 6&9 */
 162 #define   ICH_PCM_SPDIF_1011    0xc0000000      /* s/pdif pcm on slots 10&11 */
 163 #define   ICH_PCM_20BIT         0x00400000      /* 20-bit samples (ICH4) */
 164 #define   ICH_PCM_246_MASK      0x00300000      /* chan mask (not all chips) */
 165 #define   ICH_PCM_8             0x00300000      /* 8 channels (not all chips) */
 166 #define   ICH_PCM_6             0x00200000      /* 6 channels (not all chips) */
 167 #define   ICH_PCM_4             0x00100000      /* 4 channels (not all chips) */
 168 #define   ICH_PCM_2             0x00000000      /* 2 channels (stereo) */
 169 #define   ICH_SIS_PCM_246_MASK  0x000000c0      /* 6 channels (SIS7012) */
 170 #define   ICH_SIS_PCM_6         0x00000080      /* 6 channels (SIS7012) */
 171 #define   ICH_SIS_PCM_4         0x00000040      /* 4 channels (SIS7012) */
 172 #define   ICH_SIS_PCM_2         0x00000000      /* 2 channels (SIS7012) */
 173 #define   ICH_TRIE              0x00000040      /* tertiary resume interrupt enable */
 174 #define   ICH_SRIE              0x00000020      /* secondary resume interrupt enable */
 175 #define   ICH_PRIE              0x00000010      /* primary resume interrupt enable */
 176 #define   ICH_ACLINK            0x00000008      /* AClink shut off */
 177 #define   ICH_AC97WARM          0x00000004      /* AC'97 warm reset */
 178 #define   ICH_AC97COLD          0x00000002      /* AC'97 cold reset */
 179 #define   ICH_GIE               0x00000001      /* GPI interrupt enable */
 180 #define ICH_REG_GLOB_STA                0x30    /* dword - global status */
 181 #define   ICH_TRI               0x20000000      /* ICH4: tertiary (AC_SDIN2) resume interrupt */
 182 #define   ICH_TCR               0x10000000      /* ICH4: tertiary (AC_SDIN2) codec ready */
 183 #define   ICH_BCS               0x08000000      /* ICH4: bit clock stopped */
 184 #define   ICH_SPINT             0x04000000      /* ICH4: S/PDIF interrupt */
 185 #define   ICH_P2INT             0x02000000      /* ICH4: PCM2-In interrupt */
 186 #define   ICH_M2INT             0x01000000      /* ICH4: Mic2-In interrupt */
 187 #define   ICH_SAMPLE_CAP        0x00c00000      /* ICH4: sample capability bits (RO) */
 188 #define   ICH_SAMPLE_16_20      0x00400000      /* ICH4: 16- and 20-bit samples */
 189 #define   ICH_MULTICHAN_CAP     0x00300000      /* ICH4: multi-channel capability bits (RO) */
 190 #define   ICH_SIS_TRI           0x00080000      /* SIS: tertiary resume irq */
 191 #define   ICH_SIS_TCR           0x00040000      /* SIS: tertiary codec ready */
 192 #define   ICH_MD3               0x00020000      /* modem power down semaphore */
 193 #define   ICH_AD3               0x00010000      /* audio power down semaphore */
 194 #define   ICH_RCS               0x00008000      /* read completion status */
 195 #define   ICH_BIT3              0x00004000      /* bit 3 slot 12 */
 196 #define   ICH_BIT2              0x00002000      /* bit 2 slot 12 */
 197 #define   ICH_BIT1              0x00001000      /* bit 1 slot 12 */
 198 #define   ICH_SRI               0x00000800      /* secondary (AC_SDIN1) resume interrupt */
 199 #define   ICH_PRI               0x00000400      /* primary (AC_SDIN0) resume interrupt */
 200 #define   ICH_SCR               0x00000200      /* secondary (AC_SDIN1) codec ready */
 201 #define   ICH_PCR               0x00000100      /* primary (AC_SDIN0) codec ready */
 202 #define   ICH_MCINT             0x00000080      /* MIC capture interrupt */
 203 #define   ICH_POINT             0x00000040      /* playback interrupt */
 204 #define   ICH_PIINT             0x00000020      /* capture interrupt */
 205 #define   ICH_NVSPINT           0x00000010      /* nforce spdif interrupt */
 206 #define   ICH_MOINT             0x00000004      /* modem playback interrupt */
 207 #define   ICH_MIINT             0x00000002      /* modem capture interrupt */
 208 #define   ICH_GSCI              0x00000001      /* GPI status change interrupt */
 209 #define ICH_REG_ACC_SEMA                0x34    /* byte - codec write semaphore */
 210 #define   ICH_CAS               0x01            /* codec access semaphore */
 211 #define ICH_REG_SDM             0x80
 212 #define   ICH_DI2L_MASK         0x000000c0      /* PCM In 2, Mic In 2 data in line */
 213 #define   ICH_DI2L_SHIFT        6
 214 #define   ICH_DI1L_MASK         0x00000030      /* PCM In 1, Mic In 1 data in line */
 215 #define   ICH_DI1L_SHIFT        4
 216 #define   ICH_SE                0x00000008      /* steer enable */
 217 #define   ICH_LDI_MASK          0x00000003      /* last codec read data input */
 218
 219 #define ICH_MAX_FRAGS           32              /* max hw frags */
 220
 221
 222 /*
 223  * registers for Ali5455
 224  */
 225
 226 /* ALi 5455 busmaster blocks */
 227 DEFINE_REGSET(AL_PI, 0x40);     /* ALi PCM in */
 228 DEFINE_REGSET(AL_PO, 0x50);     /* Ali PCM out */
 229 DEFINE_REGSET(AL_MC, 0x60);     /* Ali Mic in */
 230 DEFINE_REGSET(AL_CDC_SPO, 0x70);        /* Ali Codec SPDIF out */
 231 DEFINE_REGSET(AL_CENTER, 0x80);         /* Ali center out */
 232 DEFINE_REGSET(AL_LFE, 0x90);            /* Ali center out */
 233 DEFINE_REGSET(AL_CLR_SPI, 0xa0);        /* Ali Controller SPDIF in */
 234 DEFINE_REGSET(AL_CLR_SPO, 0xb0);        /* Ali Controller SPDIF out */
 235 DEFINE_REGSET(AL_I2S, 0xc0);    /* Ali I2S in */
 236 DEFINE_REGSET(AL_PI2, 0xd0);    /* Ali PCM2 in */
 237 DEFINE_REGSET(AL_MC2, 0xe0);    /* Ali Mic2 in */
 238
 239 enum {
 240         ICH_REG_ALI_SCR = 0x00,         /* System Control Register */
 241         ICH_REG_ALI_SSR = 0x04,         /* System Status Register  */
 242         ICH_REG_ALI_DMACR = 0x08,       /* DMA Control Register    */
 243         ICH_REG_ALI_FIFOCR1 = 0x0c,     /* FIFO Control Register 1  */
 244         ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
 245         ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
 246         ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt  Status Register */
 247         ICH_REG_ALI_FIFOCR2 = 0x1c,     /* FIFO Control Register 2   */
 248         ICH_REG_ALI_CPR = 0x20,         /* Command Port Register     */
 249         ICH_REG_ALI_CPR_ADDR = 0x22,    /* ac97 addr write */
 250         ICH_REG_ALI_SPR = 0x24,         /* Status Port Register      */
 251         ICH_REG_ALI_SPR_ADDR = 0x26,    /* ac97 addr read */
 252         ICH_REG_ALI_FIFOCR3 = 0x2c,     /* FIFO Control Register 3  */
 253         ICH_REG_ALI_TTSR = 0x30,        /* Transmit Tag Slot Register */
 254         ICH_REG_ALI_RTSR = 0x34,        /* Receive Tag Slot  Register */
 255         ICH_REG_ALI_CSPSR = 0x38,       /* Command/Status Port Status Register */
 256         ICH_REG_ALI_CAS = 0x3c,         /* Codec Write Semaphore Register */
 257         ICH_REG_ALI_HWVOL = 0xf0,       /* hardware volume control/status */
 258         ICH_REG_ALI_I2SCR = 0xf4,       /* I2S control/status */
 259         ICH_REG_ALI_SPDIFCSR = 0xf8,    /* spdif channel status register  */
 260         ICH_REG_ALI_SPDIFICS = 0xfc,    /* spdif interface control/status  */
 261 };
 262
 263 #define ALI_CAS_SEM_BUSY        0x80000000
 264 #define ALI_CPR_ADDR_SECONDARY  0x100
 265 #define ALI_CPR_ADDR_READ       0x80
 266 #define ALI_CSPSR_CODEC_READY   0x08
 267 #define ALI_CSPSR_READ_OK       0x02
 268 #define ALI_CSPSR_WRITE_OK      0x01
 269
 270 /* interrupts for the whole chip by interrupt status register finish */
 271
 272 #define ALI_INT_MICIN2          (1<<26)
 273 #define ALI_INT_PCMIN2          (1<<25)
 274 #define ALI_INT_I2SIN           (1<<24)
 275 #define ALI_INT_SPDIFOUT        (1<<23) /* controller spdif out INTERRUPT */
 276 #define ALI_INT_SPDIFIN         (1<<22)
 277 #define ALI_INT_LFEOUT          (1<<21)
 278 #define ALI_INT_CENTEROUT       (1<<20)
 279 #define ALI_INT_CODECSPDIFOUT   (1<<19)
 280 #define ALI_INT_MICIN           (1<<18)
 281 #define ALI_INT_PCMOUT          (1<<17)
 282 #define ALI_INT_PCMIN           (1<<16)
 283 #define ALI_INT_CPRAIS          (1<<7)  /* command port available */
 284 #define ALI_INT_SPRAIS          (1<<5)  /* status port available */
 285 #define ALI_INT_GPIO            (1<<1)
 286 #define ALI_INT_MASK            (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 287                                  ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 288
 289 #define ICH_ALI_SC_RESET        (1<<31) /* master reset */
 290 #define ICH_ALI_SC_AC97_DBL     (1<<30)
 291 #define ICH_ALI_SC_CODEC_SPDF   (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
 292 #define ICH_ALI_SC_IN_BITS      (3<<18)
 293 #define ICH_ALI_SC_OUT_BITS     (3<<16)
 294 #define ICH_ALI_SC_6CH_CFG      (3<<14)
 295 #define ICH_ALI_SC_PCM_4        (1<<8)
 296 #define ICH_ALI_SC_PCM_6        (2<<8)
 297 #define ICH_ALI_SC_PCM_246_MASK (3<<8)
 298
 299 #define ICH_ALI_SS_SEC_ID       (3<<5)
 300 #define ICH_ALI_SS_PRI_ID       (3<<3)
 301
 302 #define ICH_ALI_IF_AC97SP       (1<<21)
 303 #define ICH_ALI_IF_MC           (1<<20)
 304 #define ICH_ALI_IF_PI           (1<<19)
 305 #define ICH_ALI_IF_MC2          (1<<18)
 306 #define ICH_ALI_IF_PI2          (1<<17)
 307 #define ICH_ALI_IF_LINE_SRC     (1<<15) /* 0/1 = slot 3/6 */
 308 #define ICH_ALI_IF_MIC_SRC      (1<<14) /* 0/1 = slot 3/6 */
 309 #define ICH_ALI_IF_SPDF_SRC     (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 310 #define ICH_ALI_IF_AC97_OUT     (3<<8)  /* 00 = PCM, 10 = spdif-in, 11 = i2s */
 311 #define ICH_ALI_IF_PO_SPDF      (1<<3)
 312 #define ICH_ALI_IF_PO           (1<<1)
 313
 314 /*
 315  *
 316  */
 317
 318 enum {
 319         ICHD_PCMIN,
 320         ICHD_PCMOUT,
 321         ICHD_MIC,
 322         ICHD_MIC2,
 323         ICHD_PCM2IN,
 324         ICHD_SPBAR,
 325         ICHD_LAST = ICHD_SPBAR
 326 };
 327 enum {
 328         NVD_PCMIN,
 329         NVD_PCMOUT,
 330         NVD_MIC,
 331         NVD_SPBAR,
 332         NVD_LAST = NVD_SPBAR
 333 };
 334 enum {
 335         ALID_PCMIN,
 336         ALID_PCMOUT,
 337         ALID_MIC,
 338         ALID_AC97SPDIFOUT,
 339         ALID_SPDIFIN,
 340         ALID_SPDIFOUT,
 341         ALID_LAST = ALID_SPDIFOUT
 342 };
 343
 344 #define get_ichdev(substream) (substream->runtime->private_data)
 345
 346 struct ichdev {
 347         unsigned int ichd;                      /* ich device number */
 348         unsigned long reg_offset;               /* offset to bmaddr */
 349         u32 *bdbar;                             /* CPU address (32bit) */
 350         unsigned int bdbar_addr;                /* PCI bus address (32bit) */
 351         struct snd_pcm_substream *substream;
 352         unsigned int physbuf;                   /* physical address (32bit) */
 353         unsigned int size;
 354         unsigned int fragsize;
 355         unsigned int fragsize1;
 356         unsigned int position;
 357         unsigned int pos_shift;
 358         unsigned int last_pos;
 359         int frags;
 360         int lvi;
 361         int lvi_frag;
 362         int civ;
 363         int ack;
 364         int ack_reload;
 365         unsigned int ack_bit;
 366         unsigned int roff_sr;
 367         unsigned int roff_picb;
 368         unsigned int int_sta_mask;              /* interrupt status mask */
 369         unsigned int ali_slot;                  /* ALI DMA slot */
 370         struct ac97_pcm *pcm;
 371         int pcm_open_flag;
 372         unsigned int page_attr_changed: 1;
 373         unsigned int suspended: 1;
 374 };
 375
 376 struct intel8x0 {
 377         unsigned int device_type;
 378
 379         int irq;
 380
 381         void __iomem *addr;
 382         void __iomem *bmaddr;
 383
 384         struct pci_dev *pci;
 385         struct snd_card *card;
 386
 387         int pcm_devs;
 388         struct snd_pcm *pcm[6];
 389         struct ichdev ichd[6];
 390
 391         unsigned multi4: 1,
 392                  multi6: 1,
 393                  multi8 :1,
 394                  dra: 1,
 395                  smp20bit: 1;
 396         unsigned in_ac97_init: 1,
 397                  in_sdin_init: 1;
 398         unsigned in_measurement: 1;     /* during ac97 clock measurement */
 399         unsigned fix_nocache: 1;        /* workaround for 440MX */
 400         unsigned buggy_irq: 1;          /* workaround for buggy mobos */
 401         unsigned xbox: 1;               /* workaround for Xbox AC'97 detection */
 402         unsigned buggy_semaphore: 1;    /* workaround for buggy codec semaphore */
 403
 404         int spdif_idx;  /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 405         unsigned int sdm_saved; /* SDM reg value */
 406
 407         struct snd_ac97_bus *ac97_bus;
 408         struct snd_ac97 *ac97[3];
 409         unsigned int ac97_sdin[3];
 410         unsigned int max_codecs, ncodecs;
 411         unsigned int *codec_bit;
 412         unsigned int codec_isr_bits;
 413         unsigned int codec_ready_bits;
 414
 415         spinlock_t reg_lock;
 416
 417         u32 bdbars_count;
 418         struct snd_dma_buffer bdbars;
 419         u32 int_sta_reg;                /* interrupt status register */
 420         u32 int_sta_mask;               /* interrupt status mask */
 421 };
 422
 423 static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = {
 424         { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },   /* 82801AA */
 425         { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },   /* 82901AB */
 426         { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },   /* 82801BA */
 427         { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },   /* ICH3 */
 428         { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 429         { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 430         { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 431         { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 432         { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 433         { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 434         { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },   /* 440MX */
 435         { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },        /* SI7012 */
 436         { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */
 437         { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */
 438         { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */
 439         { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */
 440         { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */
 441         { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */
 442         { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */
 443         { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */
 444         { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },     /* AMD8111 */
 445         { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },     /* AMD768 */
 446         { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 447         { 0, }
 448 };
 449
 450 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 451
 452 /*
 453  *  Lowlevel I/O - busmaster
 454  */
 455
 456 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 457 {
 458         return ioread8(chip->bmaddr + offset);
 459 }
 460
 461 static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 462 {
 463         return ioread16(chip->bmaddr + offset);
 464 }
 465
 466 static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 467 {
 468         return ioread32(chip->bmaddr + offset);
 469 }
 470
 471 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 472 {
 473         iowrite8(val, chip->bmaddr + offset);
 474 }
 475
 476 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 477 {
 478         iowrite16(val, chip->bmaddr + offset);
 479 }
 480
 481 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 482 {
 483         iowrite32(val, chip->bmaddr + offset);
 484 }
 485
 486 /*
 487  *  Lowlevel I/O - AC'97 registers
 488  */
 489
 490 static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 491 {
 492         return ioread16(chip->addr + offset);
 493 }
 494
 495 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 496 {
 497         iowrite16(val, chip->addr + offset);
 498 }
 499
 500 /*
 501  *  Basic I/O
 502  */
 503
 504 /*
 505  * access to AC97 codec via normal i/o (for ICH and SIS7012)
 506  */
 507
 508 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 509 {
 510         int time;
 511
 512         if (codec > 2)
 513                 return -EIO;
 514         if (chip->in_sdin_init) {
 515                 /* we don't know the ready bit assignment at the moment */
 516                 /* so we check any */
 517                 codec = chip->codec_isr_bits;
 518         } else {
 519                 codec = chip->codec_bit[chip->ac97_sdin[codec]];
 520         }
 521
 522         /* codec ready ? */
 523         if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 524                 return -EIO;
 525
 526         if (chip->buggy_semaphore)
 527                 return 0; /* just ignore ... */
 528
 529         /* Anyone holding a semaphore for 1 msec should be shot... */
 530         time = 100;
 531         do {
 532                 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 533                         return 0;
 534                 udelay(10);
 535         } while (time--);
 536
 537         /* access to some forbidden (non existent) ac97 registers will not
 538          * reset the semaphore. So even if you don't get the semaphore, still
 539          * continue the access. We don't need the semaphore anyway. */
 540         snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 541                         igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 542         iagetword(chip, 0);     /* clear semaphore flag */
 543         /* I don't care about the semaphore */
 544         return -EBUSY;
 545 }
 546
 547 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 548                                      unsigned short reg,
 549                                      unsigned short val)
 550 {
 551         struct intel8x0 *chip = ac97->private_data;
 552
 553         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 554                 if (! chip->in_ac97_init)
 555                         snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 556         }
 557         iaputword(chip, reg + ac97->num * 0x80, val);
 558 }
 559
 560 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 561                                               unsigned short reg)
 562 {
 563         struct intel8x0 *chip = ac97->private_data;
 564         unsigned short res;
 565         unsigned int tmp;
 566
 567         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 568                 if (! chip->in_ac97_init)
 569                         snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 570                 res = 0xffff;
 571         } else {
 572                 res = iagetword(chip, reg + ac97->num * 0x80);
 573                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 574                         /* reset RCS and preserve other R/WC bits */
 575                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 576                                   ~(chip->codec_ready_bits | ICH_GSCI));
 577                         if (! chip->in_ac97_init)
 578                                 snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
 579                         res = 0xffff;
 580                 }
 581         }
 582         return res;
 583 }
 584
 585 static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 586                                                    unsigned int codec)
 587 {
 588         unsigned int tmp;
 589
 590         if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 591                 iagetword(chip, codec * 0x80);
 592                 if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 593                         /* reset RCS and preserve other R/WC bits */
 594                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 595                                   ~(chip->codec_ready_bits | ICH_GSCI));
 596                 }
 597         }
 598 }
 599
 600 /*
 601  * access to AC97 for Ali5455
 602  */
 603 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 604 {
 605         int count = 0;
 606         for (count = 0; count < 0x7f; count++) {
 607                 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 608                 if (val & mask)
 609                         return 0;
 610         }
 611         if (! chip->in_ac97_init)
 612                 snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
 613         return -EBUSY;
 614 }
 615
 616 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 617 {
 618         int time = 100;
 619         if (chip->buggy_semaphore)
 620                 return 0; /* just ignore ... */
 621         while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 622                 udelay(1);
 623         if (! time && ! chip->in_ac97_init)
 624                 snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
 625         return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 626 }
 627
 628 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 629 {
 630         struct intel8x0 *chip = ac97->private_data;
 631         unsigned short data = 0xffff;
 632
 633         if (snd_intel8x0_ali_codec_semaphore(chip))
 634                 goto __err;
 635         reg |= ALI_CPR_ADDR_READ;
 636         if (ac97->num)
 637                 reg |= ALI_CPR_ADDR_SECONDARY;
 638         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 639         if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 640                 goto __err;
 641         data = igetword(chip, ICHREG(ALI_SPR));
 642  __err:
 643         return data;
 644 }
 645
 646 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 647                                          unsigned short val)
 648 {
 649         struct intel8x0 *chip = ac97->private_data;
 650
 651         if (snd_intel8x0_ali_codec_semaphore(chip))
 652                 return;
 653         iputword(chip, ICHREG(ALI_CPR), val);
 654         if (ac97->num)
 655                 reg |= ALI_CPR_ADDR_SECONDARY;
 656         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 657         snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 658 }
 659
 660
 661 /*
 662  * DMA I/O
 663  */
 664 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
 665 {
 666         int idx;
 667         u32 *bdbar = ichdev->bdbar;
 668         unsigned long port = ichdev->reg_offset;
 669
 670         iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 671         if (ichdev->size == ichdev->fragsize) {
 672                 ichdev->ack_reload = ichdev->ack = 2;
 673                 ichdev->fragsize1 = ichdev->fragsize >> 1;
 674                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 675                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 676                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 677                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 678                         bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 679                         bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 680                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 681                 }
 682                 ichdev->frags = 2;
 683         } else {
 684                 ichdev->ack_reload = ichdev->ack = 1;
 685                 ichdev->fragsize1 = ichdev->fragsize;
 686                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 687                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 688                                                      (((idx >> 1) * ichdev->fragsize) %
 689                                                       ichdev->size));
 690                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 691                                                      ichdev->fragsize >> ichdev->pos_shift);
 692 #if 0
 693                         printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n",
 694                                idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 695 #endif
 696                 }
 697                 ichdev->frags = ichdev->size / ichdev->fragsize;
 698         }
 699         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 700         ichdev->civ = 0;
 701         iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 702         ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 703         ichdev->position = 0;
 704 #if 0
 705         printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, "
 706                "period_size1 = 0x%x\n",
 707                ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 708                ichdev->fragsize1);
 709 #endif
 710         /* clear interrupts */
 711         iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 712 }
 713
 714 #ifdef __i386__
 715 /*
 716  * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
 717  * which aborts PCI busmaster for audio transfer.  A workaround is to set
 718  * the pages as non-cached.  For details, see the errata in
 719  *      http://download.intel.com/design/chipsets/specupdt/24505108.pdf
 720  */
 721 static void fill_nocache(void *buf, int size, int nocache)
 722 {
 723         size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 724         if (nocache)
 725                 set_pages_uc(virt_to_page(buf), size);
 726         else
 727                 set_pages_wb(virt_to_page(buf), size);
 728 }
 729 #else
 730 #define fill_nocache(buf, size, nocache) do { ; } while (0)
 731 #endif
 732
 733 /*
 734  *  Interrupt handler
 735  */
 736
 737 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 738 {
 739         unsigned long port = ichdev->reg_offset;
 740         unsigned long flags;
 741         int status, civ, i, step;
 742         int ack = 0;
 743
 744         spin_lock_irqsave(&chip->reg_lock, flags);
 745         status = igetbyte(chip, port + ichdev->roff_sr);
 746         civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 747         if (!(status & ICH_BCIS)) {
 748                 step = 0;
 749         } else if (civ == ichdev->civ) {
 750                 // snd_printd("civ same %d\n", civ);
 751                 step = 1;
 752                 ichdev->civ++;
 753                 ichdev->civ &= ICH_REG_LVI_MASK;
 754         } else {
 755                 step = civ - ichdev->civ;
 756                 if (step < 0)
 757                         step += ICH_REG_LVI_MASK + 1;
 758                 // if (step != 1)
 759                 //      snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 760                 ichdev->civ = civ;
 761         }
 762
 763         ichdev->position += step * ichdev->fragsize1;
 764         if (! chip->in_measurement)
 765                 ichdev->position %= ichdev->size;
 766         ichdev->lvi += step;
 767         ichdev->lvi &= ICH_REG_LVI_MASK;
 768         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 769         for (i = 0; i < step; i++) {
 770                 ichdev->lvi_frag++;
 771                 ichdev->lvi_frag %= ichdev->frags;
 772                 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 773 #if 0
 774         printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, "
 775                "all = 0x%x, 0x%x\n",
 776                ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 777                ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 778                inl(port + 4), inb(port + ICH_REG_OFF_CR));
 779 #endif
 780                 if (--ichdev->ack == 0) {
 781                         ichdev->ack = ichdev->ack_reload;
 782                         ack = 1;
 783                 }
 784         }
 785         spin_unlock_irqrestore(&chip->reg_lock, flags);
 786         if (ack && ichdev->substream) {
 787                 snd_pcm_period_elapsed(ichdev->substream);
 788         }
 789         iputbyte(chip, port + ichdev->roff_sr,
 790                  status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 791 }
 792
 793 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 794 {
 795         struct intel8x0 *chip = dev_id;
 796         struct ichdev *ichdev;
 797         unsigned int status;
 798         unsigned int i;
 799
 800         status = igetdword(chip, chip->int_sta_reg);
 801         if (status == 0xffffffff)       /* we are not yet resumed */
 802                 return IRQ_NONE;
 803
 804         if ((status & chip->int_sta_mask) == 0) {
 805                 if (status) {
 806                         /* ack */
 807                         iputdword(chip, chip->int_sta_reg, status);
 808                         if (! chip->buggy_irq)
 809                                 status = 0;
 810                 }
 811                 return IRQ_RETVAL(status);
 812         }
 813
 814         for (i = 0; i < chip->bdbars_count; i++) {
 815                 ichdev = &chip->ichd[i];
 816                 if (status & ichdev->int_sta_mask)
 817                         snd_intel8x0_update(chip, ichdev);
 818         }
 819
 820         /* ack them */
 821         iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 822
 823         return IRQ_HANDLED;
 824 }
 825
 826 /*
 827  *  PCM part
 828  */
 829
 830 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 831 {
 832         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 833         struct ichdev *ichdev = get_ichdev(substream);
 834         unsigned char val = 0;
 835         unsigned long port = ichdev->reg_offset;
 836
 837         switch (cmd) {
 838         case SNDRV_PCM_TRIGGER_RESUME:
 839                 ichdev->suspended = 0;
 840                 /* fallthru */
 841         case SNDRV_PCM_TRIGGER_START:
 842         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 843                 val = ICH_IOCE | ICH_STARTBM;
 844                 ichdev->last_pos = ichdev->position;
 845                 break;
 846         case SNDRV_PCM_TRIGGER_SUSPEND:
 847                 ichdev->suspended = 1;
 848                 /* fallthru */
 849         case SNDRV_PCM_TRIGGER_STOP:
 850                 val = 0;
 851                 break;
 852         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 853                 val = ICH_IOCE;
 854                 break;
 855         default:
 856                 return -EINVAL;
 857         }
 858         iputbyte(chip, port + ICH_REG_OFF_CR, val);
 859         if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 860                 /* wait until DMA stopped */
 861                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 862                 /* reset whole DMA things */
 863                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 864         }
 865         return 0;
 866 }
 867
 868 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 869 {
 870         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 871         struct ichdev *ichdev = get_ichdev(substream);
 872         unsigned long port = ichdev->reg_offset;
 873         static int fiforeg[] = {
 874                 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 875         };
 876         unsigned int val, fifo;
 877
 878         val = igetdword(chip, ICHREG(ALI_DMACR));
 879         switch (cmd) {
 880         case SNDRV_PCM_TRIGGER_RESUME:
 881                 ichdev->suspended = 0;
 882                 /* fallthru */
 883         case SNDRV_PCM_TRIGGER_START:
 884         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 885                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 886                         /* clear FIFO for synchronization of channels */
 887                         fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 888                         fifo &= ~(0xff << (ichdev->ali_slot % 4));
 889                         fifo |= 0x83 << (ichdev->ali_slot % 4);
 890                         iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 891                 }
 892                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 893                 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 894                 /* start DMA */
 895                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 896                 break;
 897         case SNDRV_PCM_TRIGGER_SUSPEND:
 898                 ichdev->suspended = 1;
 899                 /* fallthru */
 900         case SNDRV_PCM_TRIGGER_STOP:
 901         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 902                 /* pause */
 903                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 904                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 905                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
 906                         ;
 907                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 908                         break;
 909                 /* reset whole DMA things */
 910                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 911                 /* clear interrupts */
 912                 iputbyte(chip, port + ICH_REG_OFF_SR,
 913                          igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 914                 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 915                           igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 916                 break;
 917         default:
 918                 return -EINVAL;
 919         }
 920         return 0;
 921 }
 922
 923 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 924                                   struct snd_pcm_hw_params *hw_params)
 925 {
 926         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 927         struct ichdev *ichdev = get_ichdev(substream);
 928         struct snd_pcm_runtime *runtime = substream->runtime;
 929         int dbl = params_rate(hw_params) > 48000;
 930         int err;
 931
 932         if (chip->fix_nocache && ichdev->page_attr_changed) {
 933                 fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
 934                 ichdev->page_attr_changed = 0;
 935         }
 936         err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 937         if (err < 0)
 938                 return err;
 939         if (chip->fix_nocache) {
 940                 if (runtime->dma_area && ! ichdev->page_attr_changed) {
 941                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
 942                         ichdev->page_attr_changed = 1;
 943                 }
 944         }
 945         if (ichdev->pcm_open_flag) {
 946                 snd_ac97_pcm_close(ichdev->pcm);
 947                 ichdev->pcm_open_flag = 0;
 948         }
 949         err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 950                                 params_channels(hw_params),
 951                                 ichdev->pcm->r[dbl].slots);
 952         if (err >= 0) {
 953                 ichdev->pcm_open_flag = 1;
 954                 /* Force SPDIF setting */
 955                 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 956                         snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 957                                           params_rate(hw_params));
 958         }
 959         return err;
 960 }
 961
 962 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 963 {
 964         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 965         struct ichdev *ichdev = get_ichdev(substream);
 966
 967         if (ichdev->pcm_open_flag) {
 968                 snd_ac97_pcm_close(ichdev->pcm);
 969                 ichdev->pcm_open_flag = 0;
 970         }
 971         if (chip->fix_nocache && ichdev->page_attr_changed) {
 972                 fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
 973                 ichdev->page_attr_changed = 0;
 974         }
 975         return snd_pcm_lib_free_pages(substream);
 976 }
 977
 978 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 979                                        struct snd_pcm_runtime *runtime)
 980 {
 981         unsigned int cnt;
 982         int dbl = runtime->rate > 48000;
 983
 984         spin_lock_irq(&chip->reg_lock);
 985         switch (chip->device_type) {
 986         case DEVICE_ALI:
 987                 cnt = igetdword(chip, ICHREG(ALI_SCR));
 988                 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
 989                 if (runtime->channels == 4 || dbl)
 990                         cnt |= ICH_ALI_SC_PCM_4;
 991                 else if (runtime->channels == 6)
 992                         cnt |= ICH_ALI_SC_PCM_6;
 993                 iputdword(chip, ICHREG(ALI_SCR), cnt);
 994                 break;
 995         case DEVICE_SIS:
 996                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
 997                 cnt &= ~ICH_SIS_PCM_246_MASK;
 998                 if (runtime->channels == 4 || dbl)
 999                         cnt |= ICH_SIS_PCM_4;
1000                 else if (runtime->channels == 6)
1001                         cnt |= ICH_SIS_PCM_6;
1002                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1003                 break;
1004         default:
1005                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
1006                 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1007                 if (runtime->channels == 4 || dbl)
1008                         cnt |= ICH_PCM_4;
1009                 else if (runtime->channels == 6)
1010                         cnt |= ICH_PCM_6;
1011                 else if (runtime->channels == 8)
1012                         cnt |= ICH_PCM_8;
1013                 if (chip->device_type == DEVICE_NFORCE) {
1014                         /* reset to 2ch once to keep the 6 channel data in alignment,
1015                          * to start from Front Left always
1016                          */
1017                         if (cnt & ICH_PCM_246_MASK) {
1018                                 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1019                                 spin_unlock_irq(&chip->reg_lock);
1020                                 msleep(50); /* grrr... */
1021                                 spin_lock_irq(&chip->reg_lock);
1022                         }
1023                 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
1024                         if (runtime->sample_bits > 16)
1025                                 cnt |= ICH_PCM_20BIT;
1026                 }
1027                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
1028                 break;
1029         }
1030         spin_unlock_irq(&chip->reg_lock);
1031 }
1032
1033 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1034 {
1035         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1036         struct snd_pcm_runtime *runtime = substream->runtime;
1037         struct ichdev *ichdev = get_ichdev(substream);
1038
1039         ichdev->physbuf = runtime->dma_addr;
1040         ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1041         ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1042         if (ichdev->ichd == ICHD_PCMOUT) {
1043                 snd_intel8x0_setup_pcm_out(chip, runtime);
1044                 if (chip->device_type == DEVICE_INTEL_ICH4)
1045                         ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1046         }
1047         snd_intel8x0_setup_periods(chip, ichdev);
1048         return 0;
1049 }
1050
1051 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1052 {
1053         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1054         struct ichdev *ichdev = get_ichdev(substream);
1055         size_t ptr1, ptr;
1056         int civ, timeout = 10;
1057         unsigned int position;
1058
1059         spin_lock(&chip->reg_lock);
1060         do {
1061                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1062                 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1063                 position = ichdev->position;
1064                 if (ptr1 == 0) {
1065                         udelay(10);
1066                         continue;
1067                 }
1068                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
1069                     ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1070                         break;
1071         } while (timeout--);
1072         ptr = ichdev->last_pos;
1073         if (ptr1 != 0) {
1074                 ptr1 <<= ichdev->pos_shift;
1075                 ptr = ichdev->fragsize1 - ptr1;
1076                 ptr += position;
1077                 if (ptr < ichdev->last_pos) {
1078                         unsigned int pos_base, last_base;
1079                         pos_base = position / ichdev->fragsize1;
1080                         last_base = ichdev->last_pos / ichdev->fragsize1;
1081                         /* another sanity check; ptr1 can go back to full
1082                          * before the base position is updated
1083                          */
1084                         if (pos_base == last_base)
1085                                 ptr = ichdev->last_pos;
1086                 }
1087         }
1088         ichdev->last_pos = ptr;
1089         spin_unlock(&chip->reg_lock);
1090         if (ptr >= ichdev->size)
1091                 return 0;
1092         return bytes_to_frames(substream->runtime, ptr);
1093 }
1094
1095 static struct snd_pcm_hardware snd_intel8x0_stream =
1096 {
1097         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1098                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1099                                  SNDRV_PCM_INFO_MMAP_VALID |
1100                                  SNDRV_PCM_INFO_PAUSE |
1101                                  SNDRV_PCM_INFO_RESUME),
1102         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1103         .rates =                SNDRV_PCM_RATE_48000,
1104         .rate_min =             48000,
1105         .rate_max =             48000,
1106         .channels_min =         2,
1107         .channels_max =         2,
1108         .buffer_bytes_max =     128 * 1024,
1109         .period_bytes_min =     32,
1110         .period_bytes_max =     128 * 1024,
1111         .periods_min =          1,
1112         .periods_max =          1024,
1113         .fifo_size =            0,
1114 };
1115
1116 static unsigned int channels4[] = {
1117         2, 4,
1118 };
1119
1120 static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1121         .count = ARRAY_SIZE(channels4),
1122         .list = channels4,
1123         .mask = 0,
1124 };
1125
1126 static unsigned int channels6[] = {
1127         2, 4, 6,
1128 };
1129
1130 static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1131         .count = ARRAY_SIZE(channels6),
1132         .list = channels6,
1133         .mask = 0,
1134 };
1135
1136 static unsigned int channels8[] = {
1137         2, 4, 6, 8,
1138 };
1139
1140 static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1141         .count = ARRAY_SIZE(channels8),
1142         .list = channels8,
1143         .mask = 0,
1144 };
1145
1146 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1147 {
1148         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1149         struct snd_pcm_runtime *runtime = substream->runtime;
1150         int err;
1151
1152         ichdev->substream = substream;
1153         runtime->hw = snd_intel8x0_stream;
1154         runtime->hw.rates = ichdev->pcm->rates;
1155         snd_pcm_limit_hw_rates(runtime);
1156         if (chip->device_type == DEVICE_SIS) {
1157                 runtime->hw.buffer_bytes_max = 64*1024;
1158                 runtime->hw.period_bytes_max = 64*1024;
1159         }
1160         if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1161                 return err;
1162         runtime->private_data = ichdev;
1163         return 0;
1164 }
1165
1166 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1167 {
1168         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169         struct snd_pcm_runtime *runtime = substream->runtime;
1170         int err;
1171
1172         err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1173         if (err < 0)
1174                 return err;
1175
1176         if (chip->multi8) {
1177                 runtime->hw.channels_max = 8;
1178                 snd_pcm_hw_constraint_list(runtime, 0,
1179                                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1180                                                 &hw_constraints_channels8);
1181         } else if (chip->multi6) {
1182                 runtime->hw.channels_max = 6;
1183                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1184                                            &hw_constraints_channels6);
1185         } else if (chip->multi4) {
1186                 runtime->hw.channels_max = 4;
1187                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1188                                            &hw_constraints_channels4);
1189         }
1190         if (chip->dra) {
1191                 snd_ac97_pcm_double_rate_rules(runtime);
1192         }
1193         if (chip->smp20bit) {
1194                 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1195                 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1196         }
1197         return 0;
1198 }
1199
1200 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1201 {
1202         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1203
1204         chip->ichd[ICHD_PCMOUT].substream = NULL;
1205         return 0;
1206 }
1207
1208 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1209 {
1210         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1211
1212         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1213 }
1214
1215 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1216 {
1217         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1218
1219         chip->ichd[ICHD_PCMIN].substream = NULL;
1220         return 0;
1221 }
1222
1223 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1224 {
1225         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1226
1227         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1228 }
1229
1230 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1231 {
1232         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1233
1234         chip->ichd[ICHD_MIC].substream = NULL;
1235         return 0;
1236 }
1237
1238 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1239 {
1240         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1241
1242         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1243 }
1244
1245 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1246 {
1247         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1248
1249         chip->ichd[ICHD_MIC2].substream = NULL;
1250         return 0;
1251 }
1252
1253 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1254 {
1255         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1256
1257         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1258 }
1259
1260 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1261 {
1262         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1263
1264         chip->ichd[ICHD_PCM2IN].substream = NULL;
1265         return 0;
1266 }
1267
1268 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1269 {
1270         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1271         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1272
1273         return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1274 }
1275
1276 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1277 {
1278         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1279         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1280
1281         chip->ichd[idx].substream = NULL;
1282         return 0;
1283 }
1284
1285 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1286 {
1287         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1288         unsigned int val;
1289
1290         spin_lock_irq(&chip->reg_lock);
1291         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1292         val |= ICH_ALI_IF_AC97SP;
1293         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1294         /* also needs to set ALI_SC_CODEC_SPDF correctly */
1295         spin_unlock_irq(&chip->reg_lock);
1296
1297         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1298 }
1299
1300 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1301 {
1302         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1303         unsigned int val;
1304
1305         chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1306         spin_lock_irq(&chip->reg_lock);
1307         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1308         val &= ~ICH_ALI_IF_AC97SP;
1309         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1310         spin_unlock_irq(&chip->reg_lock);
1311
1312         return 0;
1313 }
1314
1315 #if 0 // NYI
1316 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1317 {
1318         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1319
1320         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1321 }
1322
1323 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1324 {
1325         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1326
1327         chip->ichd[ALID_SPDIFIN].substream = NULL;
1328         return 0;
1329 }
1330
1331 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1332 {
1333         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1334
1335         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1336 }
1337
1338 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1339 {
1340         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1341
1342         chip->ichd[ALID_SPDIFOUT].substream = NULL;
1343         return 0;
1344 }
1345 #endif
1346
1347 static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1348         .open =         snd_intel8x0_playback_open,
1349         .close =        snd_intel8x0_playback_close,
1350         .ioctl =        snd_pcm_lib_ioctl,
1351         .hw_params =    snd_intel8x0_hw_params,
1352         .hw_free =      snd_intel8x0_hw_free,
1353         .prepare =      snd_intel8x0_pcm_prepare,
1354         .trigger =      snd_intel8x0_pcm_trigger,
1355         .pointer =      snd_intel8x0_pcm_pointer,
1356 };
1357
1358 static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1359         .open =         snd_intel8x0_capture_open,
1360         .close =        snd_intel8x0_capture_close,
1361         .ioctl =        snd_pcm_lib_ioctl,
1362         .hw_params =    snd_intel8x0_hw_params,
1363         .hw_free =      snd_intel8x0_hw_free,
1364         .prepare =      snd_intel8x0_pcm_prepare,
1365         .trigger =      snd_intel8x0_pcm_trigger,
1366         .pointer =      snd_intel8x0_pcm_pointer,
1367 };
1368
1369 static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1370         .open =         snd_intel8x0_mic_open,
1371         .close =        snd_intel8x0_mic_close,
1372         .ioctl =        snd_pcm_lib_ioctl,
1373         .hw_params =    snd_intel8x0_hw_params,
1374         .hw_free =      snd_intel8x0_hw_free,
1375         .prepare =      snd_intel8x0_pcm_prepare,
1376         .trigger =      snd_intel8x0_pcm_trigger,
1377         .pointer =      snd_intel8x0_pcm_pointer,
1378 };
1379
1380 static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1381         .open =         snd_intel8x0_mic2_open,
1382         .close =        snd_intel8x0_mic2_close,
1383         .ioctl =        snd_pcm_lib_ioctl,
1384         .hw_params =    snd_intel8x0_hw_params,
1385         .hw_free =      snd_intel8x0_hw_free,
1386         .prepare =      snd_intel8x0_pcm_prepare,
1387         .trigger =      snd_intel8x0_pcm_trigger,
1388         .pointer =      snd_intel8x0_pcm_pointer,
1389 };
1390
1391 static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1392         .open =         snd_intel8x0_capture2_open,
1393         .close =        snd_intel8x0_capture2_close,
1394         .ioctl =        snd_pcm_lib_ioctl,
1395         .hw_params =    snd_intel8x0_hw_params,
1396         .hw_free =      snd_intel8x0_hw_free,
1397         .prepare =      snd_intel8x0_pcm_prepare,
1398         .trigger =      snd_intel8x0_pcm_trigger,
1399         .pointer =      snd_intel8x0_pcm_pointer,
1400 };
1401
1402 static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1403         .open =         snd_intel8x0_spdif_open,
1404         .close =        snd_intel8x0_spdif_close,
1405         .ioctl =        snd_pcm_lib_ioctl,
1406         .hw_params =    snd_intel8x0_hw_params,
1407         .hw_free =      snd_intel8x0_hw_free,
1408         .prepare =      snd_intel8x0_pcm_prepare,
1409         .trigger =      snd_intel8x0_pcm_trigger,
1410         .pointer =      snd_intel8x0_pcm_pointer,
1411 };
1412
1413 static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1414         .open =         snd_intel8x0_playback_open,
1415         .close =        snd_intel8x0_playback_close,
1416         .ioctl =        snd_pcm_lib_ioctl,
1417         .hw_params =    snd_intel8x0_hw_params,
1418         .hw_free =      snd_intel8x0_hw_free,
1419         .prepare =      snd_intel8x0_pcm_prepare,
1420         .trigger =      snd_intel8x0_ali_trigger,
1421         .pointer =      snd_intel8x0_pcm_pointer,
1422 };
1423
1424 static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1425         .open =         snd_intel8x0_capture_open,
1426         .close =        snd_intel8x0_capture_close,
1427         .ioctl =        snd_pcm_lib_ioctl,
1428         .hw_params =    snd_intel8x0_hw_params,
1429         .hw_free =      snd_intel8x0_hw_free,
1430         .prepare =      snd_intel8x0_pcm_prepare,
1431         .trigger =      snd_intel8x0_ali_trigger,
1432         .pointer =      snd_intel8x0_pcm_pointer,
1433 };
1434
1435 static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1436         .open =         snd_intel8x0_mic_open,
1437         .close =        snd_intel8x0_mic_close,
1438         .ioctl =        snd_pcm_lib_ioctl,
1439         .hw_params =    snd_intel8x0_hw_params,
1440         .hw_free =      snd_intel8x0_hw_free,
1441         .prepare =      snd_intel8x0_pcm_prepare,
1442         .trigger =      snd_intel8x0_ali_trigger,
1443         .pointer =      snd_intel8x0_pcm_pointer,
1444 };
1445
1446 static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1447         .open =         snd_intel8x0_ali_ac97spdifout_open,
1448         .close =        snd_intel8x0_ali_ac97spdifout_close,
1449         .ioctl =        snd_pcm_lib_ioctl,
1450         .hw_params =    snd_intel8x0_hw_params,
1451         .hw_free =      snd_intel8x0_hw_free,
1452         .prepare =      snd_intel8x0_pcm_prepare,
1453         .trigger =      snd_intel8x0_ali_trigger,
1454         .pointer =      snd_intel8x0_pcm_pointer,
1455 };
1456
1457 #if 0 // NYI
1458 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1459         .open =         snd_intel8x0_ali_spdifin_open,
1460         .close =        snd_intel8x0_ali_spdifin_close,
1461         .ioctl =        snd_pcm_lib_ioctl,
1462         .hw_params =    snd_intel8x0_hw_params,
1463         .hw_free =      snd_intel8x0_hw_free,
1464         .prepare =      snd_intel8x0_pcm_prepare,
1465         .trigger =      snd_intel8x0_pcm_trigger,
1466         .pointer =      snd_intel8x0_pcm_pointer,
1467 };
1468
1469 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1470         .open =         snd_intel8x0_ali_spdifout_open,
1471         .close =        snd_intel8x0_ali_spdifout_close,
1472         .ioctl =        snd_pcm_lib_ioctl,
1473         .hw_params =    snd_intel8x0_hw_params,
1474         .hw_free =      snd_intel8x0_hw_free,
1475         .prepare =      snd_intel8x0_pcm_prepare,
1476         .trigger =      snd_intel8x0_pcm_trigger,
1477         .pointer =      snd_intel8x0_pcm_pointer,
1478 };
1479 #endif // NYI
1480
1481 struct ich_pcm_table {
1482         char *suffix;
1483         struct snd_pcm_ops *playback_ops;
1484         struct snd_pcm_ops *capture_ops;
1485         size_t prealloc_size;
1486         size_t prealloc_max_size;
1487         int ac97_idx;
1488 };
1489
1490 static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1491                                        struct ich_pcm_table *rec)
1492 {
1493         struct snd_pcm *pcm;
1494         int err;
1495         char name[32];
1496
1497         if (rec->suffix)
1498                 sprintf(name, "Intel ICH - %s", rec->suffix);
1499         else
1500                 strcpy(name, "Intel ICH");
1501         err = snd_pcm_new(chip->card, name, device,
1502                           rec->playback_ops ? 1 : 0,
1503                           rec->capture_ops ? 1 : 0, &pcm);
1504         if (err < 0)
1505                 return err;
1506
1507         if (rec->playback_ops)
1508                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1509         if (rec->capture_ops)
1510                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1511
1512         pcm->private_data = chip;
1513         pcm->info_flags = 0;
1514         if (rec->suffix)
1515                 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1516         else
1517                 strcpy(pcm->name, chip->card->shortname);
1518         chip->pcm[device] = pcm;
1519
1520         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1521                                               snd_dma_pci_data(chip->pci),
1522                                               rec->prealloc_size, rec->prealloc_max_size);
1523
1524         return 0;
1525 }
1526
1527 static struct ich_pcm_table intel_pcms[] __devinitdata = {
1528         {
1529                 .playback_ops = &snd_intel8x0_playback_ops,
1530                 .capture_ops = &snd_intel8x0_capture_ops,
1531                 .prealloc_size = 64 * 1024,
1532                 .prealloc_max_size = 128 * 1024,
1533         },
1534         {
1535                 .suffix = "MIC ADC",
1536                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1537                 .prealloc_size = 0,
1538                 .prealloc_max_size = 128 * 1024,
1539                 .ac97_idx = ICHD_MIC,
1540         },
1541         {
1542                 .suffix = "MIC2 ADC",
1543                 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1544                 .prealloc_size = 0,
1545                 .prealloc_max_size = 128 * 1024,
1546                 .ac97_idx = ICHD_MIC2,
1547         },
1548         {
1549                 .suffix = "ADC2",
1550                 .capture_ops = &snd_intel8x0_capture2_ops,
1551                 .prealloc_size = 0,
1552                 .prealloc_max_size = 128 * 1024,
1553                 .ac97_idx = ICHD_PCM2IN,
1554         },
1555         {
1556                 .suffix = "IEC958",
1557                 .playback_ops = &snd_intel8x0_spdif_ops,
1558                 .prealloc_size = 64 * 1024,
1559                 .prealloc_max_size = 128 * 1024,
1560                 .ac97_idx = ICHD_SPBAR,
1561         },
1562 };
1563
1564 static struct ich_pcm_table nforce_pcms[] __devinitdata = {
1565         {
1566                 .playback_ops = &snd_intel8x0_playback_ops,
1567                 .capture_ops = &snd_intel8x0_capture_ops,
1568                 .prealloc_size = 64 * 1024,
1569                 .prealloc_max_size = 128 * 1024,
1570         },
1571         {
1572                 .suffix = "MIC ADC",
1573                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1574                 .prealloc_size = 0,
1575                 .prealloc_max_size = 128 * 1024,
1576                 .ac97_idx = NVD_MIC,
1577         },
1578         {
1579                 .suffix = "IEC958",
1580                 .playback_ops = &snd_intel8x0_spdif_ops,
1581                 .prealloc_size = 64 * 1024,
1582                 .prealloc_max_size = 128 * 1024,
1583                 .ac97_idx = NVD_SPBAR,
1584         },
1585 };
1586
1587 static struct ich_pcm_table ali_pcms[] __devinitdata = {
1588         {
1589                 .playback_ops = &snd_intel8x0_ali_playback_ops,
1590                 .capture_ops = &snd_intel8x0_ali_capture_ops,
1591                 .prealloc_size = 64 * 1024,
1592                 .prealloc_max_size = 128 * 1024,
1593         },
1594         {
1595                 .suffix = "MIC ADC",
1596                 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1597                 .prealloc_size = 0,
1598                 .prealloc_max_size = 128 * 1024,
1599                 .ac97_idx = ALID_MIC,
1600         },
1601         {
1602                 .suffix = "IEC958",
1603                 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1604                 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1605                 .prealloc_size = 64 * 1024,
1606                 .prealloc_max_size = 128 * 1024,
1607                 .ac97_idx = ALID_AC97SPDIFOUT,
1608         },
1609 #if 0 // NYI
1610         {
1611                 .suffix = "HW IEC958",
1612                 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1613                 .prealloc_size = 64 * 1024,
1614                 .prealloc_max_size = 128 * 1024,
1615         },
1616 #endif
1617 };
1618
1619 static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
1620 {
1621         int i, tblsize, device, err;
1622         struct ich_pcm_table *tbl, *rec;
1623
1624         switch (chip->device_type) {
1625         case DEVICE_INTEL_ICH4:
1626                 tbl = intel_pcms;
1627                 tblsize = ARRAY_SIZE(intel_pcms);
1628                 if (spdif_aclink)
1629                         tblsize--;
1630                 break;
1631         case DEVICE_NFORCE:
1632                 tbl = nforce_pcms;
1633                 tblsize = ARRAY_SIZE(nforce_pcms);
1634                 if (spdif_aclink)
1635                         tblsize--;
1636                 break;
1637         case DEVICE_ALI:
1638                 tbl = ali_pcms;
1639                 tblsize = ARRAY_SIZE(ali_pcms);
1640                 break;
1641         default:
1642                 tbl = intel_pcms;
1643                 tblsize = 2;
1644                 break;
1645         }
1646
1647         device = 0;
1648         for (i = 0; i < tblsize; i++) {
1649                 rec = tbl + i;
1650                 if (i > 0 && rec->ac97_idx) {
1651                         /* activate PCM only when associated AC'97 codec */
1652                         if (! chip->ichd[rec->ac97_idx].pcm)
1653                                 continue;
1654                 }
1655                 err = snd_intel8x0_pcm1(chip, device, rec);
1656                 if (err < 0)
1657                         return err;
1658                 device++;
1659         }
1660
1661         chip->pcm_devs = device;
1662         return 0;
1663 }
1664
1665
1666 /*
1667  *  Mixer part
1668  */
1669
1670 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1671 {
1672         struct intel8x0 *chip = bus->private_data;
1673         chip->ac97_bus = NULL;
1674 }
1675
1676 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1677 {
1678         struct intel8x0 *chip = ac97->private_data;
1679         chip->ac97[ac97->num] = NULL;
1680 }
1681
1682 static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
1683         /* front PCM */
1684         {
1685                 .exclusive = 1,
1686                 .r = {  {
1687                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1688                                          (1 << AC97_SLOT_PCM_RIGHT) |
1689                                          (1 << AC97_SLOT_PCM_CENTER) |
1690                                          (1 << AC97_SLOT_PCM_SLEFT) |
1691                                          (1 << AC97_SLOT_PCM_SRIGHT) |
1692                                          (1 << AC97_SLOT_LFE)
1693                         },
1694                         {
1695                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1696                                          (1 << AC97_SLOT_PCM_RIGHT) |
1697                                          (1 << AC97_SLOT_PCM_LEFT_0) |
1698                                          (1 << AC97_SLOT_PCM_RIGHT_0)
1699                         }
1700                 }
1701         },
1702         /* PCM IN #1 */
1703         {
1704                 .stream = 1,
1705                 .exclusive = 1,
1706                 .r = {  {
1707                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1708                                          (1 << AC97_SLOT_PCM_RIGHT)
1709                         }
1710                 }
1711         },
1712         /* MIC IN #1 */
1713         {
1714                 .stream = 1,
1715                 .exclusive = 1,
1716                 .r = {  {
1717                                 .slots = (1 << AC97_SLOT_MIC)
1718                         }
1719                 }
1720         },
1721         /* S/PDIF PCM */
1722         {
1723                 .exclusive = 1,
1724                 .spdif = 1,
1725                 .r = {  {
1726                                 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1727                                          (1 << AC97_SLOT_SPDIF_RIGHT2)
1728                         }
1729                 }
1730         },
1731         /* PCM IN #2 */
1732         {
1733                 .stream = 1,
1734                 .exclusive = 1,
1735                 .r = {  {
1736                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1737                                          (1 << AC97_SLOT_PCM_RIGHT)
1738                         }
1739                 }
1740         },
1741         /* MIC IN #2 */
1742         {
1743                 .stream = 1,
1744                 .exclusive = 1,
1745                 .r = {  {
1746                                 .slots = (1 << AC97_SLOT_MIC)
1747                         }
1748                 }
1749         },
1750 };
1751
1752 static struct ac97_quirk ac97_quirks[] __devinitdata = {
1753         {
1754                 .subvendor = 0x0e11,
1755                 .subdevice = 0x000e,
1756                 .name = "Compaq Deskpro EN",    /* AD1885 */
1757                 .type = AC97_TUNE_HP_ONLY
1758         },
1759         {
1760                 .subvendor = 0x0e11,
1761                 .subdevice = 0x008a,
1762                 .name = "Compaq Evo W4000",     /* AD1885 */
1763                 .type = AC97_TUNE_HP_ONLY
1764         },
1765         {
1766                 .subvendor = 0x0e11,
1767                 .subdevice = 0x00b8,
1768                 .name = "Compaq Evo D510C",
1769                 .type = AC97_TUNE_HP_ONLY
1770         },
1771         {
1772                 .subvendor = 0x0e11,
1773                 .subdevice = 0x0860,
1774                 .name = "HP/Compaq nx7010",
1775                 .type = AC97_TUNE_MUTE_LED
1776         },
1777         {
1778                 .subvendor = 0x1014,
1779                 .subdevice = 0x0534,
1780                 .name = "ThinkPad X31",
1781                 .type = AC97_TUNE_INV_EAPD
1782         },
1783         {
1784                 .subvendor = 0x1014,
1785                 .subdevice = 0x1f00,
1786                 .name = "MS-9128",
1787                 .type = AC97_TUNE_ALC_JACK
1788         },
1789         {
1790                 .subvendor = 0x1014,
1791                 .subdevice = 0x0267,
1792                 .name = "IBM NetVista A30p",    /* AD1981B */
1793                 .type = AC97_TUNE_HP_ONLY
1794         },
1795         {
1796                 .subvendor = 0x1025,
1797                 .subdevice = 0x0082,
1798                 .name = "Acer Travelmate 2310",
1799                 .type = AC97_TUNE_HP_ONLY
1800         },
1801         {
1802                 .subvendor = 0x1025,
1803                 .subdevice = 0x0083,
1804                 .name = "Acer Aspire 3003LCi",
1805                 .type = AC97_TUNE_HP_ONLY
1806         },
1807         {
1808                 .subvendor = 0x1028,
1809                 .subdevice = 0x00d8,
1810                 .name = "Dell Precision 530",   /* AD1885 */
1811                 .type = AC97_TUNE_HP_ONLY
1812         },
1813         {
1814                 .subvendor = 0x1028,
1815                 .subdevice = 0x010d,
1816                 .name = "Dell", /* which model?  AD1885 */
1817                 .type = AC97_TUNE_HP_ONLY
1818         },
1819         {
1820                 .subvendor = 0x1028,
1821                 .subdevice = 0x0126,
1822                 .name = "Dell Optiplex GX260",  /* AD1981A */
1823                 .type = AC97_TUNE_HP_ONLY
1824         },
1825         {
1826                 .subvendor = 0x1028,
1827                 .subdevice = 0x012c,
1828                 .name = "Dell Precision 650",   /* AD1981A */
1829                 .type = AC97_TUNE_HP_ONLY
1830         },
1831         {
1832                 .subvendor = 0x1028,
1833                 .subdevice = 0x012d,
1834                 .name = "Dell Precision 450",   /* AD1981B*/
1835                 .type = AC97_TUNE_HP_ONLY
1836         },
1837         {
1838                 .subvendor = 0x1028,
1839                 .subdevice = 0x0147,
1840                 .name = "Dell", /* which model?  AD1981B*/
1841                 .type = AC97_TUNE_HP_ONLY
1842         },
1843         {
1844                 .subvendor = 0x1028,
1845                 .subdevice = 0x0151,
1846                 .name = "Dell Optiplex GX270",  /* AD1981B */
1847                 .type = AC97_TUNE_HP_ONLY
1848         },
1849         {
1850                 .subvendor = 0x1028,
1851                 .subdevice = 0x014e,
1852                 .name = "Dell D800", /* STAC9750/51 */
1853                 .type = AC97_TUNE_HP_ONLY
1854         },
1855         {
1856                 .subvendor = 0x1028,
1857                 .subdevice = 0x0163,
1858                 .name = "Dell Unknown", /* STAC9750/51 */
1859                 .type = AC97_TUNE_HP_ONLY
1860         },
1861         {
1862                 .subvendor = 0x1028,
1863                 .subdevice = 0x016a,
1864                 .name = "Dell Inspiron 8600",   /* STAC9750/51 */
1865                 .type = AC97_TUNE_HP_ONLY
1866         },
1867         {
1868                 .subvendor = 0x1028,
1869                 .subdevice = 0x0182,
1870                 .name = "Dell Latitude D610",   /* STAC9750/51 */
1871                 .type = AC97_TUNE_HP_ONLY
1872         },
1873         {
1874                 .subvendor = 0x1028,
1875                 .subdevice = 0x0186,
1876                 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1877                 .type = AC97_TUNE_HP_MUTE_LED
1878         },
1879         {
1880                 .subvendor = 0x1028,
1881                 .subdevice = 0x0188,
1882                 .name = "Dell Inspiron 6000",
1883                 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1884         },
1885         {
1886                 .subvendor = 0x1028,
1887                 .subdevice = 0x0191,
1888                 .name = "Dell Inspiron 8600",
1889                 .type = AC97_TUNE_HP_ONLY
1890         },
1891         {
1892                 .subvendor = 0x103c,
1893                 .subdevice = 0x006d,
1894                 .name = "HP zv5000",
1895                 .type = AC97_TUNE_MUTE_LED      /*AD1981B*/
1896         },
1897         {       /* FIXME: which codec? */
1898                 .subvendor = 0x103c,
1899                 .subdevice = 0x00c3,
1900                 .name = "HP xw6000",
1901                 .type = AC97_TUNE_HP_ONLY
1902         },
1903         {
1904                 .subvendor = 0x103c,
1905                 .subdevice = 0x088c,
1906                 .name = "HP nc8000",
1907                 .type = AC97_TUNE_HP_MUTE_LED
1908         },
1909         {
1910                 .subvendor = 0x103c,
1911                 .subdevice = 0x0890,
1912                 .name = "HP nc6000",
1913                 .type = AC97_TUNE_MUTE_LED
1914         },
1915         {
1916                 .subvendor = 0x103c,
1917                 .subdevice = 0x129d,
1918                 .name = "HP xw8000",
1919                 .type = AC97_TUNE_HP_ONLY
1920         },
1921         {
1922                 .subvendor = 0x103c,
1923                 .subdevice = 0x0938,
1924                 .name = "HP nc4200",
1925                 .type = AC97_TUNE_HP_MUTE_LED
1926         },
1927         {
1928                 .subvendor = 0x103c,
1929                 .subdevice = 0x099c,
1930                 .name = "HP nx6110/nc6120",
1931                 .type = AC97_TUNE_HP_MUTE_LED
1932         },
1933         {
1934                 .subvendor = 0x103c,
1935                 .subdevice = 0x0944,
1936                 .name = "HP nc6220",
1937                 .type = AC97_TUNE_HP_MUTE_LED
1938         },
1939         {
1940                 .subvendor = 0x103c,
1941                 .subdevice = 0x0934,
1942                 .name = "HP nc8220",
1943                 .type = AC97_TUNE_HP_MUTE_LED
1944         },
1945         {
1946                 .subvendor = 0x103c,
1947                 .subdevice = 0x12f1,
1948                 .name = "HP xw8200",    /* AD1981B*/
1949                 .type = AC97_TUNE_HP_ONLY
1950         },
1951         {
1952                 .subvendor = 0x103c,
1953                 .subdevice = 0x12f2,
1954                 .name = "HP xw6200",
1955                 .type = AC97_TUNE_HP_ONLY
1956         },
1957         {
1958                 .subvendor = 0x103c,
1959                 .subdevice = 0x3008,
1960                 .name = "HP xw4200",    /* AD1981B*/
1961                 .type = AC97_TUNE_HP_ONLY
1962         },
1963         {
1964                 .subvendor = 0x104d,
1965                 .subdevice = 0x8144,
1966                 .name = "Sony",
1967                 .type = AC97_TUNE_INV_EAPD
1968         },
1969         {
1970                 .subvendor = 0x104d,
1971                 .subdevice = 0x8197,
1972                 .name = "Sony S1XP",
1973                 .type = AC97_TUNE_INV_EAPD
1974         },
1975         {
1976                 .subvendor = 0x104d,
1977                 .subdevice = 0x81c0,
1978                 .name = "Sony VAIO VGN-T350P", /*AD1981B*/
1979                 .type = AC97_TUNE_INV_EAPD
1980         },
1981         {
1982                 .subvendor = 0x104d,
1983                 .subdevice = 0x81c5,
1984                 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/
1985                 .type = AC97_TUNE_INV_EAPD
1986         },
1987         {
1988                 .subvendor = 0x1043,
1989                 .subdevice = 0x80f3,
1990                 .name = "ASUS ICH5/AD1985",
1991                 .type = AC97_TUNE_AD_SHARING
1992         },
1993         {
1994                 .subvendor = 0x10cf,
1995                 .subdevice = 0x11c3,
1996                 .name = "Fujitsu-Siemens E4010",
1997                 .type = AC97_TUNE_HP_ONLY
1998         },
1999         {
2000                 .subvendor = 0x10cf,
2001                 .subdevice = 0x1225,
2002                 .name = "Fujitsu-Siemens T3010",
2003                 .type = AC97_TUNE_HP_ONLY
2004         },
2005         {
2006                 .subvendor = 0x10cf,
2007                 .subdevice = 0x1253,
2008                 .name = "Fujitsu S6210",        /* STAC9750/51 */
2009                 .type = AC97_TUNE_HP_ONLY
2010         },
2011         {
2012                 .subvendor = 0x10cf,
2013                 .subdevice = 0x127d,
2014                 .name = "Fujitsu Lifebook P7010",
2015                 .type = AC97_TUNE_HP_ONLY
2016         },
2017         {
2018                 .subvendor = 0x10cf,
2019                 .subdevice = 0x127e,
2020                 .name = "Fujitsu Lifebook C1211D",
2021                 .type = AC97_TUNE_HP_ONLY
2022         },
2023         {
2024                 .subvendor = 0x10cf,
2025                 .subdevice = 0x12ec,
2026                 .name = "Fujitsu-Siemens 4010",
2027                 .type = AC97_TUNE_HP_ONLY
2028         },
2029         {
2030                 .subvendor = 0x10cf,
2031                 .subdevice = 0x12f2,
2032                 .name = "Fujitsu-Siemens Celsius H320",
2033                 .type = AC97_TUNE_SWAP_HP
2034         },
2035         {
2036                 .subvendor = 0x10f1,
2037                 .subdevice = 0x2665,
2038                 .name = "Fujitsu-Siemens Celsius",      /* AD1981? */
2039                 .type = AC97_TUNE_HP_ONLY
2040         },
2041         {
2042                 .subvendor = 0x10f1,
2043                 .subdevice = 0x2885,
2044                 .name = "AMD64 Mobo",   /* ALC650 */
2045                 .type = AC97_TUNE_HP_ONLY
2046         },
2047         {
2048                 .subvendor = 0x10f1,
2049                 .subdevice = 0x2895,
2050                 .name = "Tyan Thunder K8WE",
2051                 .type = AC97_TUNE_HP_ONLY
2052         },
2053         {
2054                 .subvendor = 0x10f7,
2055                 .subdevice = 0x834c,
2056                 .name = "Panasonic CF-R4",
2057                 .type = AC97_TUNE_HP_ONLY,
2058         },
2059         {
2060                 .subvendor = 0x110a,
2061                 .subdevice = 0x0056,
2062                 .name = "Fujitsu-Siemens Scenic",       /* AD1981? */
2063                 .type = AC97_TUNE_HP_ONLY
2064         },
2065         {
2066                 .subvendor = 0x11d4,
2067                 .subdevice = 0x5375,
2068                 .name = "ADI AD1985 (discrete)",
2069                 .type = AC97_TUNE_HP_ONLY
2070         },
2071         {
2072                 .subvendor = 0x1462,
2073                 .subdevice = 0x5470,
2074                 .name = "MSI P4 ATX 645 Ultra",
2075                 .type = AC97_TUNE_HP_ONLY
2076         },
2077         {
2078                 .subvendor = 0x161f,
2079                 .subdevice = 0x203a,
2080                 .name = "Gateway 4525GZ",               /* AD1981B */
2081                 .type = AC97_TUNE_INV_EAPD
2082         },
2083         {
2084                 .subvendor = 0x1734,
2085                 .subdevice = 0x0088,
2086                 .name = "Fujitsu-Siemens D1522",        /* AD1981 */
2087                 .type = AC97_TUNE_HP_ONLY
2088         },
2089         {
2090                 .subvendor = 0x8086,
2091                 .subdevice = 0x2000,
2092                 .mask = 0xfff0,
2093                 .name = "Intel ICH5/AD1985",
2094                 .type = AC97_TUNE_AD_SHARING
2095         },
2096         {
2097                 .subvendor = 0x8086,
2098                 .subdevice = 0x4000,
2099                 .mask = 0xfff0,
2100                 .name = "Intel ICH5/AD1985",
2101                 .type = AC97_TUNE_AD_SHARING
2102         },
2103         {
2104                 .subvendor = 0x8086,
2105                 .subdevice = 0x4856,
2106                 .name = "Intel D845WN (82801BA)",
2107                 .type = AC97_TUNE_SWAP_HP
2108         },
2109         {
2110                 .subvendor = 0x8086,
2111                 .subdevice = 0x4d44,
2112                 .name = "Intel D850EMV2",       /* AD1885 */
2113                 .type = AC97_TUNE_HP_ONLY
2114         },
2115         {
2116                 .subvendor = 0x8086,
2117                 .subdevice = 0x4d56,
2118                 .name = "Intel ICH/AD1885",
2119                 .type = AC97_TUNE_HP_ONLY
2120         },
2121         {
2122                 .subvendor = 0x8086,
2123                 .subdevice = 0x6000,
2124                 .mask = 0xfff0,
2125                 .name = "Intel ICH5/AD1985",
2126                 .type = AC97_TUNE_AD_SHARING
2127         },
2128         {
2129                 .subvendor = 0x8086,
2130                 .subdevice = 0xe000,
2131                 .mask = 0xfff0,
2132                 .name = "Intel ICH5/AD1985",
2133                 .type = AC97_TUNE_AD_SHARING
2134         },
2135 #if 0 /* FIXME: this seems wrong on most boards */
2136         {
2137                 .subvendor = 0x8086,
2138                 .subdevice = 0xa000,
2139                 .mask = 0xfff0,
2140                 .name = "Intel ICH5/AD1985",
2141                 .type = AC97_TUNE_HP_ONLY
2142         },
2143 #endif
2144         { } /* terminator */
2145 };
2146
2147 static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2148                                         const char *quirk_override)
2149 {
2150         struct snd_ac97_bus *pbus;
2151         struct snd_ac97_template ac97;
2152         int err;
2153         unsigned int i, codecs;
2154         unsigned int glob_sta = 0;
2155         struct snd_ac97_bus_ops *ops;
2156         static struct snd_ac97_bus_ops standard_bus_ops = {
2157                 .write = snd_intel8x0_codec_write,
2158                 .read = snd_intel8x0_codec_read,
2159         };
2160         static struct snd_ac97_bus_ops ali_bus_ops = {
2161                 .write = snd_intel8x0_ali_codec_write,
2162                 .read = snd_intel8x0_ali_codec_read,
2163         };
2164
2165         chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2166         if (!spdif_aclink) {
2167                 switch (chip->device_type) {
2168                 case DEVICE_NFORCE:
2169                         chip->spdif_idx = NVD_SPBAR;
2170                         break;
2171                 case DEVICE_ALI:
2172                         chip->spdif_idx = ALID_AC97SPDIFOUT;
2173                         break;
2174                 case DEVICE_INTEL_ICH4:
2175                         chip->spdif_idx = ICHD_SPBAR;
2176                         break;
2177                 };
2178         }
2179
2180         chip->in_ac97_init = 1;
2181
2182         memset(&ac97, 0, sizeof(ac97));
2183         ac97.private_data = chip;
2184         ac97.private_free = snd_intel8x0_mixer_free_ac97;
2185         ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2186         if (chip->xbox)
2187                 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2188         if (chip->device_type != DEVICE_ALI) {
2189                 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2190                 ops = &standard_bus_ops;
2191                 chip->in_sdin_init = 1;
2192                 codecs = 0;
2193                 for (i = 0; i < chip->max_codecs; i++) {
2194                         if (! (glob_sta & chip->codec_bit[i]))
2195                                 continue;
2196                         if (chip->device_type == DEVICE_INTEL_ICH4) {
2197                                 snd_intel8x0_codec_read_test(chip, codecs);
2198                                 chip->ac97_sdin[codecs] =
2199                                         igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2200                                 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2201                                         chip->ac97_sdin[codecs] = 0;
2202                         } else
2203                                 chip->ac97_sdin[codecs] = i;
2204                         codecs++;
2205                 }
2206                 chip->in_sdin_init = 0;
2207                 if (! codecs)
2208                         codecs = 1;
2209         } else {
2210                 ops = &ali_bus_ops;
2211                 codecs = 1;
2212                 /* detect the secondary codec */
2213                 for (i = 0; i < 100; i++) {
2214                         unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2215                         if (reg & 0x40) {
2216                                 codecs = 2;
2217                                 break;
2218                         }
2219                         iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2220                         udelay(1);
2221                 }
2222         }
2223         if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2224                 goto __err;
2225         pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2226         if (ac97_clock >= 8000 && ac97_clock <= 48000)
2227                 pbus->clock = ac97_clock;
2228         /* FIXME: my test board doesn't work well with VRA... */
2229         if (chip->device_type == DEVICE_ALI)
2230                 pbus->no_vra = 1;
2231         else
2232                 pbus->dra = 1;
2233         chip->ac97_bus = pbus;
2234         chip->ncodecs = codecs;
2235
2236         ac97.pci = chip->pci;
2237         for (i = 0; i < codecs; i++) {
2238                 ac97.num = i;
2239                 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2240                         if (err != -EACCES)
2241                                 snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
2242                         if (i == 0)
2243                                 goto __err;
2244                 }
2245         }
2246         /* tune up the primary codec */
2247         snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2248         /* enable separate SDINs for ICH4 */
2249         if (chip->device_type == DEVICE_INTEL_ICH4)
2250                 pbus->isdin = 1;
2251         /* find the available PCM streams */
2252         i = ARRAY_SIZE(ac97_pcm_defs);
2253         if (chip->device_type != DEVICE_INTEL_ICH4)
2254                 i -= 2;         /* do not allocate PCM2IN and MIC2 */
2255         if (chip->spdif_idx < 0)
2256                 i--;            /* do not allocate S/PDIF */
2257         err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2258         if (err < 0)
2259                 goto __err;
2260         chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2261         chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2262         chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2263         if (chip->spdif_idx >= 0)
2264                 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2265         if (chip->device_type == DEVICE_INTEL_ICH4) {
2266                 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2267                 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2268         }
2269         /* enable separate SDINs for ICH4 */
2270         if (chip->device_type == DEVICE_INTEL_ICH4) {
2271                 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2272                 u8 tmp = igetbyte(chip, ICHREG(SDM));
2273                 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2274                 if (pcm) {
2275                         tmp |= ICH_SE;  /* steer enable for multiple SDINs */
2276                         tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2277                         for (i = 1; i < 4; i++) {
2278                                 if (pcm->r[0].codec[i]) {
2279                                         tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2280                                         break;
2281                                 }
2282                         }
2283                 } else {
2284                         tmp &= ~ICH_SE; /* steer disable */
2285                 }
2286                 iputbyte(chip, ICHREG(SDM), tmp);
2287         }
2288         if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2289                 chip->multi4 = 1;
2290                 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2291                         chip->multi6 = 1;
2292                         if (chip->ac97[0]->flags & AC97_HAS_8CH)
2293                                 chip->multi8 = 1;
2294                 }
2295         }
2296         if (pbus->pcms[0].r[1].rslots[0]) {
2297                 chip->dra = 1;
2298         }
2299         if (chip->device_type == DEVICE_INTEL_ICH4) {
2300                 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2301                         chip->smp20bit = 1;
2302         }
2303         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2304                 /* 48kHz only */
2305                 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2306         }
2307         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2308                 /* use slot 10/11 for SPDIF */
2309                 u32 val;
2310                 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2311                 val |= ICH_PCM_SPDIF_1011;
2312                 iputdword(chip, ICHREG(GLOB_CNT), val);
2313                 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2314         }
2315         chip->in_ac97_init = 0;
2316         return 0;
2317
2318  __err:
2319         /* clear the cold-reset bit for the next chance */
2320         if (chip->device_type != DEVICE_ALI)
2321                 iputdword(chip, ICHREG(GLOB_CNT),
2322                           igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2323         return err;
2324 }
2325
2326
2327 /*
2328  *
2329  */
2330
2331 static void do_ali_reset(struct intel8x0 *chip)
2332 {
2333         iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2334         iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2335         iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2336         iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2337         iputdword(chip, ICHREG(ALI_INTERFACECR),
2338                   ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2339         iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2340         iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2341 }
2342
2343 #ifdef CONFIG_SND_AC97_POWER_SAVE
2344 static struct snd_pci_quirk ich_chip_reset_mode[] = {
2345         SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2346         { } /* end */
2347 };
2348
2349 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2350 {
2351         unsigned int cnt;
2352         /* ACLink on, 2 channels */
2353
2354         if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2355                 return -EIO;
2356
2357         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2358         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2359
2360         /* do cold reset - the full ac97 powerdown may leave the controller
2361          * in a warm state but actually it cannot communicate with the codec.
2362          */
2363         iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2364         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2365         udelay(10);
2366         iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2367         msleep(1);
2368         return 0;
2369 }
2370 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2371         (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2372 #else
2373 #define snd_intel8x0_ich_chip_cold_reset(chip)  0
2374 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2375 #endif
2376
2377 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2378 {
2379         unsigned long end_time;
2380         unsigned int cnt;
2381         /* ACLink on, 2 channels */
2382         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2383         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2384         /* finish cold or do warm reset */
2385         cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2386         iputdword(chip, ICHREG(GLOB_CNT), cnt);
2387         end_time = (jiffies + (HZ / 4)) + 1;
2388         do {
2389                 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2390                         return 0;
2391                 schedule_timeout_uninterruptible(1);
2392         } while (time_after_eq(end_time, jiffies));
2393         snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2394                    igetdword(chip, ICHREG(GLOB_CNT)));
2395         return -EIO;
2396 }
2397
2398 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2399 {
2400         unsigned long end_time;
2401         unsigned int status, nstatus;
2402         unsigned int cnt;
2403         int err;
2404
2405         /* put logic to right state */
2406         /* first clear status bits */
2407         status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2408         if (chip->device_type == DEVICE_NFORCE)
2409                 status |= ICH_NVSPINT;
2410         cnt = igetdword(chip, ICHREG(GLOB_STA));
2411         iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2412
2413         if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2414                 err = snd_intel8x0_ich_chip_cold_reset(chip);
2415         else
2416                 err = snd_intel8x0_ich_chip_reset(chip);
2417         if (err < 0)
2418                 return err;
2419
2420         if (probing) {
2421                 /* wait for any codec ready status.
2422                  * Once it becomes ready it should remain ready
2423                  * as long as we do not disable the ac97 link.
2424                  */
2425                 end_time = jiffies + HZ;
2426                 do {
2427                         status = igetdword(chip, ICHREG(GLOB_STA)) &
2428                                 chip->codec_isr_bits;
2429                         if (status)
2430                                 break;
2431                         schedule_timeout_uninterruptible(1);
2432                 } while (time_after_eq(end_time, jiffies));
2433                 if (! status) {
2434                         /* no codec is found */
2435                         snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
2436                                    igetdword(chip, ICHREG(GLOB_STA)));
2437                         return -EIO;
2438                 }
2439
2440                 /* wait for other codecs ready status. */
2441                 end_time = jiffies + HZ / 4;
2442                 while (status != chip->codec_isr_bits &&
2443                        time_after_eq(end_time, jiffies)) {
2444                         schedule_timeout_uninterruptible(1);
2445                         status |= igetdword(chip, ICHREG(GLOB_STA)) &
2446                                 chip->codec_isr_bits;
2447                 }
2448
2449         } else {
2450                 /* resume phase */
2451                 int i;
2452                 status = 0;
2453                 for (i = 0; i < chip->ncodecs; i++)
2454                         if (chip->ac97[i])
2455                                 status |= chip->codec_bit[chip->ac97_sdin[i]];
2456                 /* wait until all the probed codecs are ready */
2457                 end_time = jiffies + HZ;
2458                 do {
2459                         nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2460                                 chip->codec_isr_bits;
2461                         if (status == nstatus)
2462                                 break;
2463                         schedule_timeout_uninterruptible(1);
2464                 } while (time_after_eq(end_time, jiffies));
2465         }
2466
2467         if (chip->device_type == DEVICE_SIS) {
2468                 /* unmute the output on SIS7012 */
2469                 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2470         }
2471         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2472                 /* enable SPDIF interrupt */
2473                 unsigned int val;
2474                 pci_read_config_dword(chip->pci, 0x4c, &val);
2475                 val |= 0x1000000;
2476                 pci_write_config_dword(chip->pci, 0x4c, val);
2477         }
2478         return 0;
2479 }
2480
2481 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2482 {
2483         u32 reg;
2484         int i = 0;
2485
2486         reg = igetdword(chip, ICHREG(ALI_SCR));
2487         if ((reg & 2) == 0)     /* Cold required */
2488                 reg |= 2;
2489         else
2490                 reg |= 1;       /* Warm */
2491         reg &= ~0x80000000;     /* ACLink on */
2492         iputdword(chip, ICHREG(ALI_SCR), reg);
2493
2494         for (i = 0; i < HZ / 2; i++) {
2495                 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2496                         goto __ok;
2497                 schedule_timeout_uninterruptible(1);
2498         }
2499         snd_printk(KERN_ERR "AC'97 reset failed.\n");
2500         if (probing)
2501                 return -EIO;
2502
2503  __ok:
2504         for (i = 0; i < HZ / 2; i++) {
2505                 reg = igetdword(chip, ICHREG(ALI_RTSR));
2506                 if (reg & 0x80) /* primary codec */
2507                         break;
2508                 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2509                 schedule_timeout_uninterruptible(1);
2510         }
2511
2512         do_ali_reset(chip);
2513         return 0;
2514 }
2515
2516 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2517 {
2518         unsigned int i, timeout;
2519         int err;
2520
2521         if (chip->device_type != DEVICE_ALI) {
2522                 if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2523                         return err;
2524                 iagetword(chip, 0);     /* clear semaphore flag */
2525         } else {
2526                 if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2527                         return err;
2528         }
2529
2530         /* disable interrupts */
2531         for (i = 0; i < chip->bdbars_count; i++)
2532                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2533         /* reset channels */
2534         for (i = 0; i < chip->bdbars_count; i++)
2535                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2536         for (i = 0; i < chip->bdbars_count; i++) {
2537                 timeout = 100000;
2538                 while (--timeout != 0) {
2539                         if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2540                                 break;
2541                 }
2542                 if (timeout == 0)
2543                         printk(KERN_ERR "intel8x0: reset of registers failed?\n");
2544         }
2545         /* initialize Buffer Descriptor Lists */
2546         for (i = 0; i < chip->bdbars_count; i++)
2547                 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2548                           chip->ichd[i].bdbar_addr);
2549         return 0;
2550 }
2551
2552 static int snd_intel8x0_free(struct intel8x0 *chip)
2553 {
2554         unsigned int i;
2555
2556         if (chip->irq < 0)
2557                 goto __hw_end;
2558         /* disable interrupts */
2559         for (i = 0; i < chip->bdbars_count; i++)
2560                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2561         /* reset channels */
2562         for (i = 0; i < chip->bdbars_count; i++)
2563                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2564         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2565                 /* stop the spdif interrupt */
2566                 unsigned int val;
2567                 pci_read_config_dword(chip->pci, 0x4c, &val);
2568                 val &= ~0x1000000;
2569                 pci_write_config_dword(chip->pci, 0x4c, val);
2570         }
2571         /* --- */
2572
2573       __hw_end:
2574         if (chip->irq >= 0)
2575                 free_irq(chip->irq, chip);
2576         if (chip->bdbars.area) {
2577                 if (chip->fix_nocache)
2578                         fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2579                 snd_dma_free_pages(&chip->bdbars);
2580         }
2581         if (chip->addr)
2582                 pci_iounmap(chip->pci, chip->addr);
2583         if (chip->bmaddr)
2584                 pci_iounmap(chip->pci, chip->bmaddr);
2585         pci_release_regions(chip->pci);
2586         pci_disable_device(chip->pci);
2587         kfree(chip);
2588         return 0;
2589 }
2590
2591 #ifdef CONFIG_PM
2592 /*
2593  * power management
2594  */
2595 static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
2596 {
2597         struct snd_card *card = pci_get_drvdata(pci);
2598         struct intel8x0 *chip = card->private_data;
2599         int i;
2600
2601         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2602         for (i = 0; i < chip->pcm_devs; i++)
2603                 snd_pcm_suspend_all(chip->pcm[i]);
2604         /* clear nocache */
2605         if (chip->fix_nocache) {
2606                 for (i = 0; i < chip->bdbars_count; i++) {
2607                         struct ichdev *ichdev = &chip->ichd[i];
2608                         if (ichdev->substream && ichdev->page_attr_changed) {
2609                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2610                                 if (runtime->dma_area)
2611                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2612                         }
2613                 }
2614         }
2615         for (i = 0; i < chip->ncodecs; i++)
2616                 snd_ac97_suspend(chip->ac97[i]);
2617         if (chip->device_type == DEVICE_INTEL_ICH4)
2618                 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2619
2620         if (chip->irq >= 0) {
2621                 free_irq(chip->irq, chip);
2622                 chip->irq = -1;
2623         }
2624         pci_disable_device(pci);
2625         pci_save_state(pci);
2626         /* The call below may disable built-in speaker on some laptops
2627          * after S2RAM.  So, don't touch it.
2628          */
2629         /* pci_set_power_state(pci, pci_choose_state(pci, state)); */
2630         return 0;
2631 }
2632
2633 static int intel8x0_resume(struct pci_dev *pci)
2634 {
2635         struct snd_card *card = pci_get_drvdata(pci);
2636         struct intel8x0 *chip = card->private_data;
2637         int i;
2638
2639         pci_set_power_state(pci, PCI_D0);
2640         pci_restore_state(pci);
2641         if (pci_enable_device(pci) < 0) {
2642                 printk(KERN_ERR "intel8x0: pci_enable_device failed, "
2643                        "disabling device\n");
2644                 snd_card_disconnect(card);
2645                 return -EIO;
2646         }
2647         pci_set_master(pci);
2648         snd_intel8x0_chip_init(chip, 0);
2649         if (request_irq(pci->irq, snd_intel8x0_interrupt,
2650                         IRQF_SHARED, card->shortname, chip)) {
2651                 printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
2652                        "disabling device\n", pci->irq);
2653                 snd_card_disconnect(card);
2654                 return -EIO;
2655         }
2656         chip->irq = pci->irq;
2657         synchronize_irq(chip->irq);
2658
2659         /* re-initialize mixer stuff */
2660         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2661                 /* enable separate SDINs for ICH4 */
2662                 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2663                 /* use slot 10/11 for SPDIF */
2664                 iputdword(chip, ICHREG(GLOB_CNT),
2665                           (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2666                           ICH_PCM_SPDIF_1011);
2667         }
2668
2669         /* refill nocache */
2670         if (chip->fix_nocache)
2671                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2672
2673         for (i = 0; i < chip->ncodecs; i++)
2674                 snd_ac97_resume(chip->ac97[i]);
2675
2676         /* refill nocache */
2677         if (chip->fix_nocache) {
2678                 for (i = 0; i < chip->bdbars_count; i++) {
2679                         struct ichdev *ichdev = &chip->ichd[i];
2680                         if (ichdev->substream && ichdev->page_attr_changed) {
2681                                 struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2682                                 if (runtime->dma_area)
2683                                         fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2684                         }
2685                 }
2686         }
2687
2688         /* resume status */
2689         for (i = 0; i < chip->bdbars_count; i++) {
2690                 struct ichdev *ichdev = &chip->ichd[i];
2691                 unsigned long port = ichdev->reg_offset;
2692                 if (! ichdev->substream || ! ichdev->suspended)
2693                         continue;
2694                 if (ichdev->ichd == ICHD_PCMOUT)
2695                         snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2696                 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2697                 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2698                 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2699                 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2700         }
2701
2702         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2703         return 0;
2704 }
2705 #endif /* CONFIG_PM */
2706
2707 #define INTEL8X0_TESTBUF_SIZE   32768   /* enough large for one shot */
2708
2709 static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2710 {
2711         struct snd_pcm_substream *subs;
2712         struct ichdev *ichdev;
2713         unsigned long port;
2714         unsigned long pos, pos1, t;
2715         int civ, timeout = 1000, attempt = 1;
2716         struct timespec start_time, stop_time;
2717
2718         if (chip->ac97_bus->clock != 48000)
2719                 return; /* specified in module option */
2720
2721       __again:
2722         subs = chip->pcm[0]->streams[0].substream;
2723         if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2724                 snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
2725                 return;
2726         }
2727         ichdev = &chip->ichd[ICHD_PCMOUT];
2728         ichdev->physbuf = subs->dma_buffer.addr;
2729         ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2730         ichdev->substream = NULL; /* don't process interrupts */
2731
2732         /* set rate */
2733         if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2734                 snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
2735                 return;
2736         }
2737         snd_intel8x0_setup_periods(chip, ichdev);
2738         port = ichdev->reg_offset;
2739         spin_lock_irq(&chip->reg_lock);
2740         chip->in_measurement = 1;
2741         /* trigger */
2742         if (chip->device_type != DEVICE_ALI)
2743                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2744         else {
2745                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2746                 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2747         }
2748         do_posix_clock_monotonic_gettime(&start_time);
2749         spin_unlock_irq(&chip->reg_lock);
2750         msleep(50);
2751         spin_lock_irq(&chip->reg_lock);
2752         /* check the position */
2753         do {
2754                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2755                 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2756                 if (pos1 == 0) {
2757                         udelay(10);
2758                         continue;
2759                 }
2760                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2761                     pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2762                         break;
2763         } while (timeout--);
2764         if (pos1 == 0) {        /* oops, this value is not reliable */
2765                 pos = 0;
2766         } else {
2767                 pos = ichdev->fragsize1;
2768                 pos -= pos1 << ichdev->pos_shift;
2769                 pos += ichdev->position;
2770         }
2771         chip->in_measurement = 0;
2772         do_posix_clock_monotonic_gettime(&stop_time);
2773         /* stop */
2774         if (chip->device_type == DEVICE_ALI) {
2775                 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2776                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2777                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2778                         ;
2779         } else {
2780                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2781                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2782                         ;
2783         }
2784         iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2785         spin_unlock_irq(&chip->reg_lock);
2786
2787         if (pos == 0) {
2788                 snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
2789               __retry:
2790                 if (attempt < 3) {
2791                         msleep(300);
2792                         attempt++;
2793                         goto __again;
2794                 }
2795                 goto __end;
2796         }
2797
2798         pos /= 4;
2799         t = stop_time.tv_sec - start_time.tv_sec;
2800         t *= 1000000;
2801         t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
2802         printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2803         if (t == 0) {
2804                 snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
2805                 goto __retry;
2806         }
2807         pos *= 1000;
2808         pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2809         if (pos < 40000 || pos >= 60000) {
2810                 /* abnormal value. hw problem? */
2811                 printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2812                 goto __retry;
2813         } else if (pos > 40500 && pos < 41500)
2814                 /* first exception - 41000Hz reference clock */
2815                 chip->ac97_bus->clock = 41000;
2816         else if (pos > 43600 && pos < 44600)
2817                 /* second exception - 44100HZ reference clock */
2818                 chip->ac97_bus->clock = 44100;
2819         else if (pos < 47500 || pos > 48500)
2820                 /* not 48000Hz, tuning the clock.. */
2821                 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2822       __end:
2823         printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2824         snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2825 }
2826
2827 static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = {
2828         SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2829         SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2830         SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2831         SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2832         SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2833         { }     /* terminator */
2834 };
2835
2836 static int __devinit intel8x0_in_clock_list(struct intel8x0 *chip)
2837 {
2838         struct pci_dev *pci = chip->pci;
2839         const struct snd_pci_quirk *wl;
2840
2841         wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2842         if (!wl)
2843                 return 0;
2844         printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n",
2845                pci->subsystem_vendor, pci->subsystem_device, wl->value);
2846         chip->ac97_bus->clock = wl->value;
2847         return 1;
2848 }
2849
2850 #ifdef CONFIG_PROC_FS
2851 static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2852                                    struct snd_info_buffer *buffer)
2853 {
2854         struct intel8x0 *chip = entry->private_data;
2855         unsigned int tmp;
2856
2857         snd_iprintf(buffer, "Intel8x0\n\n");
2858         if (chip->device_type == DEVICE_ALI)
2859                 return;
2860         tmp = igetdword(chip, ICHREG(GLOB_STA));
2861         snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2862         snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2863         if (chip->device_type == DEVICE_INTEL_ICH4)
2864                 snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2865         snd_iprintf(buffer, "AC'97 codecs ready    :");
2866         if (tmp & chip->codec_isr_bits) {
2867                 int i;
2868                 static const char *codecs[3] = {
2869                         "primary", "secondary", "tertiary"
2870                 };
2871                 for (i = 0; i < chip->max_codecs; i++)
2872                         if (tmp & chip->codec_bit[i])
2873                                 snd_iprintf(buffer, " %s", codecs[i]);
2874         } else
2875                 snd_iprintf(buffer, " none");
2876         snd_iprintf(buffer, "\n");
2877         if (chip->device_type == DEVICE_INTEL_ICH4 ||
2878             chip->device_type == DEVICE_SIS)
2879                 snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2880                         chip->ac97_sdin[0],
2881                         chip->ac97_sdin[1],
2882                         chip->ac97_sdin[2]);
2883 }
2884
2885 static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
2886 {
2887         struct snd_info_entry *entry;
2888
2889         if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2890                 snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2891 }
2892 #else
2893 #define snd_intel8x0_proc_init(x)
2894 #endif
2895
2896 static int snd_intel8x0_dev_free(struct snd_device *device)
2897 {
2898         struct intel8x0 *chip = device->device_data;
2899         return snd_intel8x0_free(chip);
2900 }
2901
2902 struct ich_reg_info {
2903         unsigned int int_sta_mask;
2904         unsigned int offset;
2905 };
2906
2907 static unsigned int ich_codec_bits[3] = {
2908         ICH_PCR, ICH_SCR, ICH_TCR
2909 };
2910 static unsigned int sis_codec_bits[3] = {
2911         ICH_PCR, ICH_SCR, ICH_SIS_TCR
2912 };
2913
2914 static int __devinit snd_intel8x0_create(struct snd_card *card,
2915                                          struct pci_dev *pci,
2916                                          unsigned long device_type,
2917                                          struct intel8x0 ** r_intel8x0)
2918 {
2919         struct intel8x0 *chip;
2920         int err;
2921         unsigned int i;
2922         unsigned int int_sta_masks;
2923         struct ichdev *ichdev;
2924         static struct snd_device_ops ops = {
2925                 .dev_free =     snd_intel8x0_dev_free,
2926         };
2927
2928         static unsigned int bdbars[] = {
2929                 3, /* DEVICE_INTEL */
2930                 6, /* DEVICE_INTEL_ICH4 */
2931                 3, /* DEVICE_SIS */
2932                 6, /* DEVICE_ALI */
2933                 4, /* DEVICE_NFORCE */
2934         };
2935         static struct ich_reg_info intel_regs[6] = {
2936                 { ICH_PIINT, 0 },
2937                 { ICH_POINT, 0x10 },
2938                 { ICH_MCINT, 0x20 },
2939                 { ICH_M2INT, 0x40 },
2940                 { ICH_P2INT, 0x50 },
2941                 { ICH_SPINT, 0x60 },
2942         };
2943         static struct ich_reg_info nforce_regs[4] = {
2944                 { ICH_PIINT, 0 },
2945                 { ICH_POINT, 0x10 },
2946                 { ICH_MCINT, 0x20 },
2947                 { ICH_NVSPINT, 0x70 },
2948         };
2949         static struct ich_reg_info ali_regs[6] = {
2950                 { ALI_INT_PCMIN, 0x40 },
2951                 { ALI_INT_PCMOUT, 0x50 },
2952                 { ALI_INT_MICIN, 0x60 },
2953                 { ALI_INT_CODECSPDIFOUT, 0x70 },
2954                 { ALI_INT_SPDIFIN, 0xa0 },
2955                 { ALI_INT_SPDIFOUT, 0xb0 },
2956         };
2957         struct ich_reg_info *tbl;
2958
2959         *r_intel8x0 = NULL;
2960
2961         if ((err = pci_enable_device(pci)) < 0)
2962                 return err;
2963
2964         chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2965         if (chip == NULL) {
2966                 pci_disable_device(pci);
2967                 return -ENOMEM;
2968         }
2969         spin_lock_init(&chip->reg_lock);
2970         chip->device_type = device_type;
2971         chip->card = card;
2972         chip->pci = pci;
2973         chip->irq = -1;
2974
2975         /* module parameters */
2976         chip->buggy_irq = buggy_irq;
2977         chip->buggy_semaphore = buggy_semaphore;
2978         if (xbox)
2979                 chip->xbox = 1;
2980
2981         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2982             pci->device == PCI_DEVICE_ID_INTEL_440MX)
2983                 chip->fix_nocache = 1; /* enable workaround */
2984
2985         if ((err = pci_request_regions(pci, card->shortname)) < 0) {
2986                 kfree(chip);
2987                 pci_disable_device(pci);
2988                 return err;
2989         }
2990
2991         if (device_type == DEVICE_ALI) {
2992                 /* ALI5455 has no ac97 region */
2993                 chip->bmaddr = pci_iomap(pci, 0, 0);
2994                 goto port_inited;
2995         }
2996
2997         if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
2998                 chip->addr = pci_iomap(pci, 2, 0);
2999         else
3000                 chip->addr = pci_iomap(pci, 0, 0);
3001         if (!chip->addr) {
3002                 snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
3003                 snd_intel8x0_free(chip);
3004                 return -EIO;
3005         }
3006         if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3007                 chip->bmaddr = pci_iomap(pci, 3, 0);
3008         else
3009                 chip->bmaddr = pci_iomap(pci, 1, 0);
3010         if (!chip->bmaddr) {
3011                 snd_printk(KERN_ERR "Controller space ioremap problem\n");
3012                 snd_intel8x0_free(chip);
3013                 return -EIO;
3014         }
3015
3016  port_inited:
3017         chip->bdbars_count = bdbars[device_type];
3018
3019         /* initialize offsets */
3020         switch (device_type) {
3021         case DEVICE_NFORCE:
3022                 tbl = nforce_regs;
3023                 break;
3024         case DEVICE_ALI:
3025                 tbl = ali_regs;
3026                 break;
3027         default:
3028                 tbl = intel_regs;
3029                 break;
3030         }
3031         for (i = 0; i < chip->bdbars_count; i++) {
3032                 ichdev = &chip->ichd[i];
3033                 ichdev->ichd = i;
3034                 ichdev->reg_offset = tbl[i].offset;
3035                 ichdev->int_sta_mask = tbl[i].int_sta_mask;
3036                 if (device_type == DEVICE_SIS) {
3037                         /* SiS 7012 swaps the registers */
3038                         ichdev->roff_sr = ICH_REG_OFF_PICB;
3039                         ichdev->roff_picb = ICH_REG_OFF_SR;
3040                 } else {
3041                         ichdev->roff_sr = ICH_REG_OFF_SR;
3042                         ichdev->roff_picb = ICH_REG_OFF_PICB;
3043                 }
3044                 if (device_type == DEVICE_ALI)
3045                         ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3046                 /* SIS7012 handles the pcm data in bytes, others are in samples */
3047                 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3048         }
3049
3050         /* allocate buffer descriptor lists */
3051         /* the start of each lists must be aligned to 8 bytes */
3052         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3053                                 chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3054                                 &chip->bdbars) < 0) {
3055                 snd_intel8x0_free(chip);
3056                 snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
3057                 return -ENOMEM;
3058         }
3059         /* tables must be aligned to 8 bytes here, but the kernel pages
3060            are much bigger, so we don't care (on i386) */
3061         /* workaround for 440MX */
3062         if (chip->fix_nocache)
3063                 fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3064         int_sta_masks = 0;
3065         for (i = 0; i < chip->bdbars_count; i++) {
3066                 ichdev = &chip->ichd[i];
3067                 ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3068                         (i * ICH_MAX_FRAGS * 2);
3069                 ichdev->bdbar_addr = chip->bdbars.addr +
3070                         (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3071                 int_sta_masks |= ichdev->int_sta_mask;
3072         }
3073         chip->int_sta_reg = device_type == DEVICE_ALI ?
3074                 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3075         chip->int_sta_mask = int_sta_masks;
3076
3077         pci_set_master(pci);
3078
3079         switch(chip->device_type) {
3080         case DEVICE_INTEL_ICH4:
3081                 /* ICH4 can have three codecs */
3082                 chip->max_codecs = 3;
3083                 chip->codec_bit = ich_codec_bits;
3084                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3085                 break;
3086         case DEVICE_SIS:
3087                 /* recent SIS7012 can have three codecs */
3088                 chip->max_codecs = 3;
3089                 chip->codec_bit = sis_codec_bits;
3090                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3091                 break;
3092         default:
3093                 /* others up to two codecs */
3094                 chip->max_codecs = 2;
3095                 chip->codec_bit = ich_codec_bits;
3096                 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3097                 break;
3098         }
3099         for (i = 0; i < chip->max_codecs; i++)
3100                 chip->codec_isr_bits |= chip->codec_bit[i];
3101
3102         if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3103                 snd_intel8x0_free(chip);
3104                 return err;
3105         }
3106
3107         /* request irq after initializaing int_sta_mask, etc */
3108         if (request_irq(pci->irq, snd_intel8x0_interrupt,
3109                         IRQF_SHARED, card->shortname, chip)) {
3110                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3111                 snd_intel8x0_free(chip);
3112                 return -EBUSY;
3113         }
3114         chip->irq = pci->irq;
3115
3116         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3117                 snd_intel8x0_free(chip);
3118                 return err;
3119         }
3120
3121         snd_card_set_dev(card, &pci->dev);
3122
3123         *r_intel8x0 = chip;
3124         return 0;
3125 }
3126
3127 static struct shortname_table {
3128         unsigned int id;
3129         const char *s;
3130 } shortnames[] __devinitdata = {
3131         { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3132         { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3133         { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3134         { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3135         { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3136         { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3137         { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3138         { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3139         { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3140         { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3141         { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3142         { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3143         { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3144         { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3145         { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3146         { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3147         { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3148         { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3149         { 0x003a, "NVidia MCP04" },
3150         { 0x746d, "AMD AMD8111" },
3151         { 0x7445, "AMD AMD768" },
3152         { 0x5455, "ALi M5455" },
3153         { 0, NULL },
3154 };
3155
3156 static struct snd_pci_quirk spdif_aclink_defaults[] __devinitdata = {
3157         SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3158         { } /* end */
3159 };
3160
3161 /* look up white/black list for SPDIF over ac-link */
3162 static int __devinit check_default_spdif_aclink(struct pci_dev *pci)
3163 {
3164         const struct snd_pci_quirk *w;
3165
3166         w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3167         if (w) {
3168                 if (w->value)
3169                         snd_printdd(KERN_INFO "intel8x0: Using SPDIF over "
3170                                     "AC-Link for %s\n", w->name);
3171                 else
3172                         snd_printdd(KERN_INFO "intel8x0: Using integrated "
3173                                     "SPDIF DMA for %s\n", w->name);
3174                 return w->value;
3175         }
3176         return 0;
3177 }
3178
3179 static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
3180                                         const struct pci_device_id *pci_id)
3181 {
3182         struct snd_card *card;
3183         struct intel8x0 *chip;
3184         int err;
3185         struct shortname_table *name;
3186
3187         err = snd_card_create(index, id, THIS_MODULE, 0, &card);
3188         if (err < 0)
3189                 return err;
3190
3191         if (spdif_aclink < 0)
3192                 spdif_aclink = check_default_spdif_aclink(pci);
3193
3194         strcpy(card->driver, "ICH");
3195         if (!spdif_aclink) {
3196                 switch (pci_id->driver_data) {
3197                 case DEVICE_NFORCE:
3198                         strcpy(card->driver, "NFORCE");
3199                         break;
3200                 case DEVICE_INTEL_ICH4:
3201                         strcpy(card->driver, "ICH4");
3202                 }
3203         }
3204
3205         strcpy(card->shortname, "Intel ICH");
3206         for (name = shortnames; name->id; name++) {
3207                 if (pci->device == name->id) {
3208                         strcpy(card->shortname, name->s);
3209                         break;
3210                 }
3211         }
3212
3213         if (buggy_irq < 0) {
3214                 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3215                  * Needs to return IRQ_HANDLED for unknown irqs.
3216                  */
3217                 if (pci_id->driver_data == DEVICE_NFORCE)
3218                         buggy_irq = 1;
3219                 else
3220                         buggy_irq = 0;
3221         }
3222
3223         if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3224                                        &chip)) < 0) {
3225                 snd_card_free(card);
3226                 return err;
3227         }
3228         card->private_data = chip;
3229
3230         if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3231                 snd_card_free(card);
3232                 return err;
3233         }
3234         if ((err = snd_intel8x0_pcm(chip)) < 0) {
3235                 snd_card_free(card);
3236                 return err;
3237         }
3238
3239         snd_intel8x0_proc_init(chip);
3240
3241         snprintf(card->longname, sizeof(card->longname),
3242                  "%s with %s at irq %i", card->shortname,
3243                  snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3244
3245         if (ac97_clock == 0 || ac97_clock == 1) {
3246                 if (ac97_clock == 0) {
3247                         if (intel8x0_in_clock_list(chip) == 0)
3248                                 intel8x0_measure_ac97_clock(chip);
3249                 } else {
3250                         intel8x0_measure_ac97_clock(chip);
3251                 }
3252         }
3253
3254         if ((err = snd_card_register(card)) < 0) {
3255                 snd_card_free(card);
3256                 return err;
3257         }
3258         pci_set_drvdata(pci, card);
3259         return 0;
3260 }
3261
3262 static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
3263 {
3264         snd_card_free(pci_get_drvdata(pci));
3265         pci_set_drvdata(pci, NULL);
3266 }
3267
3268 static struct pci_driver driver = {
3269         .name = "Intel ICH",
3270         .id_table = snd_intel8x0_ids,
3271         .probe = snd_intel8x0_probe,
3272         .remove = __devexit_p(snd_intel8x0_remove),
3273 #ifdef CONFIG_PM
3274         .suspend = intel8x0_suspend,
3275         .resume = intel8x0_resume,
3276 #endif
3277 };
3278
3279
3280 static int __init alsa_card_intel8x0_init(void)
3281 {
3282         return pci_register_driver(&driver);
3283 }
3284
3285 static void __exit alsa_card_intel8x0_exit(void)
3286 {
3287         pci_unregister_driver(&driver);
3288 }
3289
3290 module_init(alsa_card_intel8x0_init)
3291 module_exit(alsa_card_intel8x0_exit)