sound/pci/intel8x0.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   ALSA driver for Intel ICH (i8x0) chipsets
   4  *
   5  *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   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  */
  13
  14 #include <linux/io.h>
  15 #include <linux/delay.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/init.h>
  18 #include <linux/pci.h>
  19 #include <linux/slab.h>
  20 #include <linux/module.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/ac97_codec.h>
  24 #include <sound/info.h>
  25 #include <sound/initval.h>
  26
  27 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  28 MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  29 MODULE_LICENSE("GPL");
  30
  31 static int index = SNDRV_DEFAULT_IDX1;  /* Index 0-MAX */
  32 static char *id = SNDRV_DEFAULT_STR1;   /* ID for this card */
  33 static int ac97_clock;
  34 static char *ac97_quirk;
  35 static bool buggy_semaphore;
  36 static int buggy_irq = -1; /* auto-check */
  37 static bool xbox;
  38 static int spdif_aclink = -1;
  39 static int inside_vm = -1;
  40
  41 module_param(index, int, 0444);
  42 MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  43 module_param(id, charp, 0444);
  44 MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  45 module_param(ac97_clock, int, 0444);
  46 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = allowlist + auto-detect, 1 = force autodetect).");
  47 module_param(ac97_quirk, charp, 0444);
  48 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  49 module_param(buggy_semaphore, bool, 0444);
  50 MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  51 module_param(buggy_irq, bint, 0444);
  52 MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
  53 module_param(xbox, bool, 0444);
  54 MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
  55 module_param(spdif_aclink, int, 0444);
  56 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
  57 module_param(inside_vm, bint, 0444);
  58 MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
  59
  60 /* just for backward compatibility */
  61 static bool enable;
  62 module_param(enable, bool, 0444);
  63 static int joystick;
  64 module_param(joystick, int, 0444);
  65
  66 /*
  67  *  Direct registers
  68  */
  69 enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
  70
  71 #define ICHREG(x) ICH_REG_##x
  72
  73 #define DEFINE_REGSET(name,base) \
  74 enum { \
  75         ICH_REG_##name##_BDBAR  = base + 0x0,   /* dword - buffer descriptor list base address */ \
  76         ICH_REG_##name##_CIV    = base + 0x04,  /* byte - current index value */ \
  77         ICH_REG_##name##_LVI    = base + 0x05,  /* byte - last valid index */ \
  78         ICH_REG_##name##_SR     = base + 0x06,  /* byte - status register */ \
  79         ICH_REG_##name##_PICB   = base + 0x08,  /* word - position in current buffer */ \
  80         ICH_REG_##name##_PIV    = base + 0x0a,  /* byte - prefetched index value */ \
  81         ICH_REG_##name##_CR     = base + 0x0b,  /* byte - control register */ \
  82 }
  83
  84 /* busmaster blocks */
  85 DEFINE_REGSET(OFF, 0);          /* offset */
  86 DEFINE_REGSET(PI, 0x00);        /* PCM in */
  87 DEFINE_REGSET(PO, 0x10);        /* PCM out */
  88 DEFINE_REGSET(MC, 0x20);        /* Mic in */
  89
  90 /* ICH4 busmaster blocks */
  91 DEFINE_REGSET(MC2, 0x40);       /* Mic in 2 */
  92 DEFINE_REGSET(PI2, 0x50);       /* PCM in 2 */
  93 DEFINE_REGSET(SP, 0x60);        /* SPDIF out */
  94
  95 /* values for each busmaster block */
  96
  97 /* LVI */
  98 #define ICH_REG_LVI_MASK                0x1f
  99
 100 /* SR */
 101 #define ICH_FIFOE                       0x10    /* FIFO error */
 102 #define ICH_BCIS                        0x08    /* buffer completion interrupt status */
 103 #define ICH_LVBCI                       0x04    /* last valid buffer completion interrupt */
 104 #define ICH_CELV                        0x02    /* current equals last valid */
 105 #define ICH_DCH                         0x01    /* DMA controller halted */
 106
 107 /* PIV */
 108 #define ICH_REG_PIV_MASK                0x1f    /* mask */
 109
 110 /* CR */
 111 #define ICH_IOCE                        0x10    /* interrupt on completion enable */
 112 #define ICH_FEIE                        0x08    /* fifo error interrupt enable */
 113 #define ICH_LVBIE                       0x04    /* last valid buffer interrupt enable */
 114 #define ICH_RESETREGS                   0x02    /* reset busmaster registers */
 115 #define ICH_STARTBM                     0x01    /* start busmaster operation */
 116
 117
 118 /* global block */
 119 #define ICH_REG_GLOB_CNT                0x2c    /* dword - global control */
 120 #define   ICH_PCM_SPDIF_MASK    0xc0000000      /* s/pdif pcm slot mask (ICH4) */
 121 #define   ICH_PCM_SPDIF_NONE    0x00000000      /* reserved - undefined */
 122 #define   ICH_PCM_SPDIF_78      0x40000000      /* s/pdif pcm on slots 7&8 */
 123 #define   ICH_PCM_SPDIF_69      0x80000000      /* s/pdif pcm on slots 6&9 */
 124 #define   ICH_PCM_SPDIF_1011    0xc0000000      /* s/pdif pcm on slots 10&11 */
 125 #define   ICH_PCM_20BIT         0x00400000      /* 20-bit samples (ICH4) */
 126 #define   ICH_PCM_246_MASK      0x00300000      /* chan mask (not all chips) */
 127 #define   ICH_PCM_8             0x00300000      /* 8 channels (not all chips) */
 128 #define   ICH_PCM_6             0x00200000      /* 6 channels (not all chips) */
 129 #define   ICH_PCM_4             0x00100000      /* 4 channels (not all chips) */
 130 #define   ICH_PCM_2             0x00000000      /* 2 channels (stereo) */
 131 #define   ICH_SIS_PCM_246_MASK  0x000000c0      /* 6 channels (SIS7012) */
 132 #define   ICH_SIS_PCM_6         0x00000080      /* 6 channels (SIS7012) */
 133 #define   ICH_SIS_PCM_4         0x00000040      /* 4 channels (SIS7012) */
 134 #define   ICH_SIS_PCM_2         0x00000000      /* 2 channels (SIS7012) */
 135 #define   ICH_TRIE              0x00000040      /* tertiary resume interrupt enable */
 136 #define   ICH_SRIE              0x00000020      /* secondary resume interrupt enable */
 137 #define   ICH_PRIE              0x00000010      /* primary resume interrupt enable */
 138 #define   ICH_ACLINK            0x00000008      /* AClink shut off */
 139 #define   ICH_AC97WARM          0x00000004      /* AC'97 warm reset */
 140 #define   ICH_AC97COLD          0x00000002      /* AC'97 cold reset */
 141 #define   ICH_GIE               0x00000001      /* GPI interrupt enable */
 142 #define ICH_REG_GLOB_STA                0x30    /* dword - global status */
 143 #define   ICH_TRI               0x20000000      /* ICH4: tertiary (AC_SDIN2) resume interrupt */
 144 #define   ICH_TCR               0x10000000      /* ICH4: tertiary (AC_SDIN2) codec ready */
 145 #define   ICH_BCS               0x08000000      /* ICH4: bit clock stopped */
 146 #define   ICH_SPINT             0x04000000      /* ICH4: S/PDIF interrupt */
 147 #define   ICH_P2INT             0x02000000      /* ICH4: PCM2-In interrupt */
 148 #define   ICH_M2INT             0x01000000      /* ICH4: Mic2-In interrupt */
 149 #define   ICH_SAMPLE_CAP        0x00c00000      /* ICH4: sample capability bits (RO) */
 150 #define   ICH_SAMPLE_16_20      0x00400000      /* ICH4: 16- and 20-bit samples */
 151 #define   ICH_MULTICHAN_CAP     0x00300000      /* ICH4: multi-channel capability bits (RO) */
 152 #define   ICH_SIS_TRI           0x00080000      /* SIS: tertiary resume irq */
 153 #define   ICH_SIS_TCR           0x00040000      /* SIS: tertiary codec ready */
 154 #define   ICH_MD3               0x00020000      /* modem power down semaphore */
 155 #define   ICH_AD3               0x00010000      /* audio power down semaphore */
 156 #define   ICH_RCS               0x00008000      /* read completion status */
 157 #define   ICH_BIT3              0x00004000      /* bit 3 slot 12 */
 158 #define   ICH_BIT2              0x00002000      /* bit 2 slot 12 */
 159 #define   ICH_BIT1              0x00001000      /* bit 1 slot 12 */
 160 #define   ICH_SRI               0x00000800      /* secondary (AC_SDIN1) resume interrupt */
 161 #define   ICH_PRI               0x00000400      /* primary (AC_SDIN0) resume interrupt */
 162 #define   ICH_SCR               0x00000200      /* secondary (AC_SDIN1) codec ready */
 163 #define   ICH_PCR               0x00000100      /* primary (AC_SDIN0) codec ready */
 164 #define   ICH_MCINT             0x00000080      /* MIC capture interrupt */
 165 #define   ICH_POINT             0x00000040      /* playback interrupt */
 166 #define   ICH_PIINT             0x00000020      /* capture interrupt */
 167 #define   ICH_NVSPINT           0x00000010      /* nforce spdif interrupt */
 168 #define   ICH_MOINT             0x00000004      /* modem playback interrupt */
 169 #define   ICH_MIINT             0x00000002      /* modem capture interrupt */
 170 #define   ICH_GSCI              0x00000001      /* GPI status change interrupt */
 171 #define ICH_REG_ACC_SEMA                0x34    /* byte - codec write semaphore */
 172 #define   ICH_CAS               0x01            /* codec access semaphore */
 173 #define ICH_REG_SDM             0x80
 174 #define   ICH_DI2L_MASK         0x000000c0      /* PCM In 2, Mic In 2 data in line */
 175 #define   ICH_DI2L_SHIFT        6
 176 #define   ICH_DI1L_MASK         0x00000030      /* PCM In 1, Mic In 1 data in line */
 177 #define   ICH_DI1L_SHIFT        4
 178 #define   ICH_SE                0x00000008      /* steer enable */
 179 #define   ICH_LDI_MASK          0x00000003      /* last codec read data input */
 180
 181 #define ICH_MAX_FRAGS           32              /* max hw frags */
 182
 183
 184 /*
 185  * registers for Ali5455
 186  */
 187
 188 /* ALi 5455 busmaster blocks */
 189 DEFINE_REGSET(AL_PI, 0x40);     /* ALi PCM in */
 190 DEFINE_REGSET(AL_PO, 0x50);     /* Ali PCM out */
 191 DEFINE_REGSET(AL_MC, 0x60);     /* Ali Mic in */
 192 DEFINE_REGSET(AL_CDC_SPO, 0x70);        /* Ali Codec SPDIF out */
 193 DEFINE_REGSET(AL_CENTER, 0x80);         /* Ali center out */
 194 DEFINE_REGSET(AL_LFE, 0x90);            /* Ali center out */
 195 DEFINE_REGSET(AL_CLR_SPI, 0xa0);        /* Ali Controller SPDIF in */
 196 DEFINE_REGSET(AL_CLR_SPO, 0xb0);        /* Ali Controller SPDIF out */
 197 DEFINE_REGSET(AL_I2S, 0xc0);    /* Ali I2S in */
 198 DEFINE_REGSET(AL_PI2, 0xd0);    /* Ali PCM2 in */
 199 DEFINE_REGSET(AL_MC2, 0xe0);    /* Ali Mic2 in */
 200
 201 enum {
 202         ICH_REG_ALI_SCR = 0x00,         /* System Control Register */
 203         ICH_REG_ALI_SSR = 0x04,         /* System Status Register  */
 204         ICH_REG_ALI_DMACR = 0x08,       /* DMA Control Register    */
 205         ICH_REG_ALI_FIFOCR1 = 0x0c,     /* FIFO Control Register 1  */
 206         ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
 207         ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
 208         ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt  Status Register */
 209         ICH_REG_ALI_FIFOCR2 = 0x1c,     /* FIFO Control Register 2   */
 210         ICH_REG_ALI_CPR = 0x20,         /* Command Port Register     */
 211         ICH_REG_ALI_CPR_ADDR = 0x22,    /* ac97 addr write */
 212         ICH_REG_ALI_SPR = 0x24,         /* Status Port Register      */
 213         ICH_REG_ALI_SPR_ADDR = 0x26,    /* ac97 addr read */
 214         ICH_REG_ALI_FIFOCR3 = 0x2c,     /* FIFO Control Register 3  */
 215         ICH_REG_ALI_TTSR = 0x30,        /* Transmit Tag Slot Register */
 216         ICH_REG_ALI_RTSR = 0x34,        /* Receive Tag Slot  Register */
 217         ICH_REG_ALI_CSPSR = 0x38,       /* Command/Status Port Status Register */
 218         ICH_REG_ALI_CAS = 0x3c,         /* Codec Write Semaphore Register */
 219         ICH_REG_ALI_HWVOL = 0xf0,       /* hardware volume control/status */
 220         ICH_REG_ALI_I2SCR = 0xf4,       /* I2S control/status */
 221         ICH_REG_ALI_SPDIFCSR = 0xf8,    /* spdif channel status register  */
 222         ICH_REG_ALI_SPDIFICS = 0xfc,    /* spdif interface control/status  */
 223 };
 224
 225 #define ALI_CAS_SEM_BUSY        0x80000000
 226 #define ALI_CPR_ADDR_SECONDARY  0x100
 227 #define ALI_CPR_ADDR_READ       0x80
 228 #define ALI_CSPSR_CODEC_READY   0x08
 229 #define ALI_CSPSR_READ_OK       0x02
 230 #define ALI_CSPSR_WRITE_OK      0x01
 231
 232 /* interrupts for the whole chip by interrupt status register finish */
 233
 234 #define ALI_INT_MICIN2          (1<<26)
 235 #define ALI_INT_PCMIN2          (1<<25)
 236 #define ALI_INT_I2SIN           (1<<24)
 237 #define ALI_INT_SPDIFOUT        (1<<23) /* controller spdif out INTERRUPT */
 238 #define ALI_INT_SPDIFIN         (1<<22)
 239 #define ALI_INT_LFEOUT          (1<<21)
 240 #define ALI_INT_CENTEROUT       (1<<20)
 241 #define ALI_INT_CODECSPDIFOUT   (1<<19)
 242 #define ALI_INT_MICIN           (1<<18)
 243 #define ALI_INT_PCMOUT          (1<<17)
 244 #define ALI_INT_PCMIN           (1<<16)
 245 #define ALI_INT_CPRAIS          (1<<7)  /* command port available */
 246 #define ALI_INT_SPRAIS          (1<<5)  /* status port available */
 247 #define ALI_INT_GPIO            (1<<1)
 248 #define ALI_INT_MASK            (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 249                                  ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 250
 251 #define ICH_ALI_SC_RESET        (1<<31) /* master reset */
 252 #define ICH_ALI_SC_AC97_DBL     (1<<30)
 253 #define ICH_ALI_SC_CODEC_SPDF   (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */
 254 #define ICH_ALI_SC_IN_BITS      (3<<18)
 255 #define ICH_ALI_SC_OUT_BITS     (3<<16)
 256 #define ICH_ALI_SC_6CH_CFG      (3<<14)
 257 #define ICH_ALI_SC_PCM_4        (1<<8)
 258 #define ICH_ALI_SC_PCM_6        (2<<8)
 259 #define ICH_ALI_SC_PCM_246_MASK (3<<8)
 260
 261 #define ICH_ALI_SS_SEC_ID       (3<<5)
 262 #define ICH_ALI_SS_PRI_ID       (3<<3)
 263
 264 #define ICH_ALI_IF_AC97SP       (1<<21)
 265 #define ICH_ALI_IF_MC           (1<<20)
 266 #define ICH_ALI_IF_PI           (1<<19)
 267 #define ICH_ALI_IF_MC2          (1<<18)
 268 #define ICH_ALI_IF_PI2          (1<<17)
 269 #define ICH_ALI_IF_LINE_SRC     (1<<15) /* 0/1 = slot 3/6 */
 270 #define ICH_ALI_IF_MIC_SRC      (1<<14) /* 0/1 = slot 3/6 */
 271 #define ICH_ALI_IF_SPDF_SRC     (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 272 #define ICH_ALI_IF_AC97_OUT     (3<<8)  /* 00 = PCM, 10 = spdif-in, 11 = i2s */
 273 #define ICH_ALI_IF_PO_SPDF      (1<<3)
 274 #define ICH_ALI_IF_PO           (1<<1)
 275
 276 /*
 277  *
 278  */
 279
 280 enum {
 281         ICHD_PCMIN,
 282         ICHD_PCMOUT,
 283         ICHD_MIC,
 284         ICHD_MIC2,
 285         ICHD_PCM2IN,
 286         ICHD_SPBAR,
 287         ICHD_LAST = ICHD_SPBAR
 288 };
 289 enum {
 290         NVD_PCMIN,
 291         NVD_PCMOUT,
 292         NVD_MIC,
 293         NVD_SPBAR,
 294         NVD_LAST = NVD_SPBAR
 295 };
 296 enum {
 297         ALID_PCMIN,
 298         ALID_PCMOUT,
 299         ALID_MIC,
 300         ALID_AC97SPDIFOUT,
 301         ALID_SPDIFIN,
 302         ALID_SPDIFOUT,
 303         ALID_LAST = ALID_SPDIFOUT
 304 };
 305
 306 #define get_ichdev(substream) (substream->runtime->private_data)
 307
 308 struct ichdev {
 309         unsigned int ichd;                      /* ich device number */
 310         unsigned long reg_offset;               /* offset to bmaddr */
 311         __le32 *bdbar;                          /* CPU address (32bit) */
 312         unsigned int bdbar_addr;                /* PCI bus address (32bit) */
 313         struct snd_pcm_substream *substream;
 314         unsigned int physbuf;                   /* physical address (32bit) */
 315         unsigned int size;
 316         unsigned int fragsize;
 317         unsigned int fragsize1;
 318         unsigned int position;
 319         unsigned int pos_shift;
 320         unsigned int last_pos;
 321         int frags;
 322         int lvi;
 323         int lvi_frag;
 324         int civ;
 325         int ack;
 326         int ack_reload;
 327         unsigned int ack_bit;
 328         unsigned int roff_sr;
 329         unsigned int roff_picb;
 330         unsigned int int_sta_mask;              /* interrupt status mask */
 331         unsigned int ali_slot;                  /* ALI DMA slot */
 332         struct ac97_pcm *pcm;
 333         int pcm_open_flag;
 334         unsigned int prepared:1;
 335         unsigned int suspended: 1;
 336 };
 337
 338 struct intel8x0 {
 339         unsigned int device_type;
 340
 341         int irq;
 342
 343         void __iomem *addr;
 344         void __iomem *bmaddr;
 345
 346         struct pci_dev *pci;
 347         struct snd_card *card;
 348
 349         int pcm_devs;
 350         struct snd_pcm *pcm[6];
 351         struct ichdev ichd[6];
 352
 353         unsigned multi4: 1,
 354                  multi6: 1,
 355                  multi8 :1,
 356                  dra: 1,
 357                  smp20bit: 1;
 358         unsigned in_ac97_init: 1,
 359                  in_sdin_init: 1;
 360         unsigned in_measurement: 1;     /* during ac97 clock measurement */
 361         unsigned fix_nocache: 1;        /* workaround for 440MX */
 362         unsigned buggy_irq: 1;          /* workaround for buggy mobos */
 363         unsigned xbox: 1;               /* workaround for Xbox AC'97 detection */
 364         unsigned buggy_semaphore: 1;    /* workaround for buggy codec semaphore */
 365         unsigned inside_vm: 1;          /* enable VM optimization */
 366
 367         int spdif_idx;  /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 368         unsigned int sdm_saved; /* SDM reg value */
 369
 370         struct snd_ac97_bus *ac97_bus;
 371         struct snd_ac97 *ac97[3];
 372         unsigned int ac97_sdin[3];
 373         unsigned int max_codecs, ncodecs;
 374         const unsigned int *codec_bit;
 375         unsigned int codec_isr_bits;
 376         unsigned int codec_ready_bits;
 377
 378         spinlock_t reg_lock;
 379
 380         u32 bdbars_count;
 381         struct snd_dma_buffer *bdbars;
 382         u32 int_sta_reg;                /* interrupt status register */
 383         u32 int_sta_mask;               /* interrupt status mask */
 384 };
 385
 386 static const struct pci_device_id snd_intel8x0_ids[] = {
 387         { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },   /* 82801AA */
 388         { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },   /* 82901AB */
 389         { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },   /* 82801BA */
 390         { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },   /* ICH3 */
 391         { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 392         { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 393         { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 394         { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 395         { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 396         { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 397         { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },   /* 440MX */
 398         { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },        /* SI7012 */
 399         { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE }, /* NFORCE */
 400         { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE }, /* MCP04 */
 401         { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE }, /* NFORCE2 */
 402         { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE }, /* CK804 */
 403         { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE }, /* CK8 */
 404         { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE }, /* NFORCE3 */
 405         { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE }, /* CK8S */
 406         { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE }, /* MCP51 */
 407         { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },     /* AMD8111 */
 408         { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },     /* AMD768 */
 409         { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 410         { 0, }
 411 };
 412
 413 MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 414
 415 /*
 416  *  Lowlevel I/O - busmaster
 417  */
 418
 419 static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 420 {
 421         return ioread8(chip->bmaddr + offset);
 422 }
 423
 424 static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 425 {
 426         return ioread16(chip->bmaddr + offset);
 427 }
 428
 429 static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 430 {
 431         return ioread32(chip->bmaddr + offset);
 432 }
 433
 434 static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 435 {
 436         iowrite8(val, chip->bmaddr + offset);
 437 }
 438
 439 static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 440 {
 441         iowrite16(val, chip->bmaddr + offset);
 442 }
 443
 444 static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 445 {
 446         iowrite32(val, chip->bmaddr + offset);
 447 }
 448
 449 /*
 450  *  Lowlevel I/O - AC'97 registers
 451  */
 452
 453 static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 454 {
 455         return ioread16(chip->addr + offset);
 456 }
 457
 458 static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 459 {
 460         iowrite16(val, chip->addr + offset);
 461 }
 462
 463 /*
 464  *  Basic I/O
 465  */
 466
 467 /*
 468  * access to AC97 codec via normal i/o (for ICH and SIS7012)
 469  */
 470
 471 static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 472 {
 473         int time;
 474
 475         if (codec > 2)
 476                 return -EIO;
 477         if (chip->in_sdin_init) {
 478                 /* we don't know the ready bit assignment at the moment */
 479                 /* so we check any */
 480                 codec = chip->codec_isr_bits;
 481         } else {
 482                 codec = chip->codec_bit[chip->ac97_sdin[codec]];
 483         }
 484
 485         /* codec ready ? */
 486         if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 487                 return -EIO;
 488
 489         if (chip->buggy_semaphore)
 490                 return 0; /* just ignore ... */
 491
 492         /* Anyone holding a semaphore for 1 msec should be shot... */
 493         time = 100;
 494         do {
 495                 if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 496                         return 0;
 497                 udelay(10);
 498         } while (time--);
 499
 500         /* access to some forbidden (non existent) ac97 registers will not
 501          * reset the semaphore. So even if you don't get the semaphore, still
 502          * continue the access. We don't need the semaphore anyway. */
 503         dev_err(chip->card->dev,
 504                 "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 505                         igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 506         iagetword(chip, 0);     /* clear semaphore flag */
 507         /* I don't care about the semaphore */
 508         return -EBUSY;
 509 }
 510
 511 static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 512                                      unsigned short reg,
 513                                      unsigned short val)
 514 {
 515         struct intel8x0 *chip = ac97->private_data;
 516
 517         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 518                 if (! chip->in_ac97_init)
 519                         dev_err(chip->card->dev,
 520                                 "codec_write %d: semaphore is not ready for register 0x%x\n",
 521                                 ac97->num, reg);
 522         }
 523         iaputword(chip, reg + ac97->num * 0x80, val);
 524 }
 525
 526 static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 527                                               unsigned short reg)
 528 {
 529         struct intel8x0 *chip = ac97->private_data;
 530         unsigned short res;
 531         unsigned int tmp;
 532
 533         if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 534                 if (! chip->in_ac97_init)
 535                         dev_err(chip->card->dev,
 536                                 "codec_read %d: semaphore is not ready for register 0x%x\n",
 537                                 ac97->num, reg);
 538                 res = 0xffff;
 539         } else {
 540                 res = iagetword(chip, reg + ac97->num * 0x80);
 541                 tmp = igetdword(chip, ICHREG(GLOB_STA));
 542                 if (tmp & ICH_RCS) {
 543                         /* reset RCS and preserve other R/WC bits */
 544                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 545                                   ~(chip->codec_ready_bits | ICH_GSCI));
 546                         if (! chip->in_ac97_init)
 547                                 dev_err(chip->card->dev,
 548                                         "codec_read %d: read timeout for register 0x%x\n",
 549                                         ac97->num, reg);
 550                         res = 0xffff;
 551                 }
 552         }
 553         return res;
 554 }
 555
 556 static void snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 557                                          unsigned int codec)
 558 {
 559         unsigned int tmp;
 560
 561         if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 562                 iagetword(chip, codec * 0x80);
 563                 tmp = igetdword(chip, ICHREG(GLOB_STA));
 564                 if (tmp & ICH_RCS) {
 565                         /* reset RCS and preserve other R/WC bits */
 566                         iputdword(chip, ICHREG(GLOB_STA), tmp &
 567                                   ~(chip->codec_ready_bits | ICH_GSCI));
 568                 }
 569         }
 570 }
 571
 572 /*
 573  * access to AC97 for Ali5455
 574  */
 575 static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 576 {
 577         int count = 0;
 578         for (count = 0; count < 0x7f; count++) {
 579                 int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 580                 if (val & mask)
 581                         return 0;
 582         }
 583         if (! chip->in_ac97_init)
 584                 dev_warn(chip->card->dev, "AC97 codec ready timeout.\n");
 585         return -EBUSY;
 586 }
 587
 588 static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 589 {
 590         int time = 100;
 591         if (chip->buggy_semaphore)
 592                 return 0; /* just ignore ... */
 593         while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 594                 udelay(1);
 595         if (! time && ! chip->in_ac97_init)
 596                 dev_warn(chip->card->dev, "ali_codec_semaphore timeout\n");
 597         return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 598 }
 599
 600 static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 601 {
 602         struct intel8x0 *chip = ac97->private_data;
 603         unsigned short data = 0xffff;
 604
 605         if (snd_intel8x0_ali_codec_semaphore(chip))
 606                 goto __err;
 607         reg |= ALI_CPR_ADDR_READ;
 608         if (ac97->num)
 609                 reg |= ALI_CPR_ADDR_SECONDARY;
 610         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 611         if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 612                 goto __err;
 613         data = igetword(chip, ICHREG(ALI_SPR));
 614  __err:
 615         return data;
 616 }
 617
 618 static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 619                                          unsigned short val)
 620 {
 621         struct intel8x0 *chip = ac97->private_data;
 622
 623         if (snd_intel8x0_ali_codec_semaphore(chip))
 624                 return;
 625         iputword(chip, ICHREG(ALI_CPR), val);
 626         if (ac97->num)
 627                 reg |= ALI_CPR_ADDR_SECONDARY;
 628         iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 629         snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 630 }
 631
 632
 633 /*
 634  * DMA I/O
 635  */
 636 static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
 637 {
 638         int idx;
 639         __le32 *bdbar = ichdev->bdbar;
 640         unsigned long port = ichdev->reg_offset;
 641
 642         iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 643         if (ichdev->size == ichdev->fragsize) {
 644                 ichdev->ack_reload = ichdev->ack = 2;
 645                 ichdev->fragsize1 = ichdev->fragsize >> 1;
 646                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 647                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 648                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 649                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 650                         bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 651                         bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 652                                                      ichdev->fragsize1 >> ichdev->pos_shift);
 653                 }
 654                 ichdev->frags = 2;
 655         } else {
 656                 ichdev->ack_reload = ichdev->ack = 1;
 657                 ichdev->fragsize1 = ichdev->fragsize;
 658                 for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 659                         bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 660                                                      (((idx >> 1) * ichdev->fragsize) %
 661                                                       ichdev->size));
 662                         bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 663                                                      ichdev->fragsize >> ichdev->pos_shift);
 664 #if 0
 665                         dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n",
 666                                idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 667 #endif
 668                 }
 669                 ichdev->frags = ichdev->size / ichdev->fragsize;
 670         }
 671         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 672         ichdev->civ = 0;
 673         iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 674         ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 675         ichdev->position = 0;
 676 #if 0
 677         dev_dbg(chip->card->dev,
 678                 "lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
 679                ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 680                ichdev->fragsize1);
 681 #endif
 682         /* clear interrupts */
 683         iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 684 }
 685
 686 /*
 687  *  Interrupt handler
 688  */
 689
 690 static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 691 {
 692         unsigned long port = ichdev->reg_offset;
 693         unsigned long flags;
 694         int status, civ, i, step;
 695         int ack = 0;
 696
 697         if (!(ichdev->prepared || chip->in_measurement) || ichdev->suspended)
 698                 return;
 699
 700         spin_lock_irqsave(&chip->reg_lock, flags);
 701         status = igetbyte(chip, port + ichdev->roff_sr);
 702         civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 703         if (!(status & ICH_BCIS)) {
 704                 step = 0;
 705         } else if (civ == ichdev->civ) {
 706                 // snd_printd("civ same %d\n", civ);
 707                 step = 1;
 708                 ichdev->civ++;
 709                 ichdev->civ &= ICH_REG_LVI_MASK;
 710         } else {
 711                 step = civ - ichdev->civ;
 712                 if (step < 0)
 713                         step += ICH_REG_LVI_MASK + 1;
 714                 // if (step != 1)
 715                 //      snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 716                 ichdev->civ = civ;
 717         }
 718
 719         ichdev->position += step * ichdev->fragsize1;
 720         if (! chip->in_measurement)
 721                 ichdev->position %= ichdev->size;
 722         ichdev->lvi += step;
 723         ichdev->lvi &= ICH_REG_LVI_MASK;
 724         iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 725         for (i = 0; i < step; i++) {
 726                 ichdev->lvi_frag++;
 727                 ichdev->lvi_frag %= ichdev->frags;
 728                 ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 729 #if 0
 730         dev_dbg(chip->card->dev,
 731                 "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
 732                ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 733                ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 734                inl(port + 4), inb(port + ICH_REG_OFF_CR));
 735 #endif
 736                 if (--ichdev->ack == 0) {
 737                         ichdev->ack = ichdev->ack_reload;
 738                         ack = 1;
 739                 }
 740         }
 741         spin_unlock_irqrestore(&chip->reg_lock, flags);
 742         if (ack && ichdev->substream) {
 743                 snd_pcm_period_elapsed(ichdev->substream);
 744         }
 745         iputbyte(chip, port + ichdev->roff_sr,
 746                  status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 747 }
 748
 749 static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 750 {
 751         struct intel8x0 *chip = dev_id;
 752         struct ichdev *ichdev;
 753         unsigned int status;
 754         unsigned int i;
 755
 756         status = igetdword(chip, chip->int_sta_reg);
 757         if (status == 0xffffffff)       /* we are not yet resumed */
 758                 return IRQ_NONE;
 759
 760         if ((status & chip->int_sta_mask) == 0) {
 761                 if (status) {
 762                         /* ack */
 763                         iputdword(chip, chip->int_sta_reg, status);
 764                         if (! chip->buggy_irq)
 765                                 status = 0;
 766                 }
 767                 return IRQ_RETVAL(status);
 768         }
 769
 770         for (i = 0; i < chip->bdbars_count; i++) {
 771                 ichdev = &chip->ichd[i];
 772                 if (status & ichdev->int_sta_mask)
 773                         snd_intel8x0_update(chip, ichdev);
 774         }
 775
 776         /* ack them */
 777         iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 778
 779         return IRQ_HANDLED;
 780 }
 781
 782 /*
 783  *  PCM part
 784  */
 785
 786 static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 787 {
 788         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 789         struct ichdev *ichdev = get_ichdev(substream);
 790         unsigned char val = 0;
 791         unsigned long port = ichdev->reg_offset;
 792
 793         switch (cmd) {
 794         case SNDRV_PCM_TRIGGER_RESUME:
 795                 ichdev->suspended = 0;
 796                 fallthrough;
 797         case SNDRV_PCM_TRIGGER_START:
 798         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 799                 val = ICH_IOCE | ICH_STARTBM;
 800                 ichdev->last_pos = ichdev->position;
 801                 break;
 802         case SNDRV_PCM_TRIGGER_SUSPEND:
 803                 ichdev->suspended = 1;
 804                 fallthrough;
 805         case SNDRV_PCM_TRIGGER_STOP:
 806                 val = 0;
 807                 break;
 808         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 809                 val = ICH_IOCE;
 810                 break;
 811         default:
 812                 return -EINVAL;
 813         }
 814         iputbyte(chip, port + ICH_REG_OFF_CR, val);
 815         if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 816                 /* wait until DMA stopped */
 817                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 818                 /* reset whole DMA things */
 819                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 820         }
 821         return 0;
 822 }
 823
 824 static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 825 {
 826         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 827         struct ichdev *ichdev = get_ichdev(substream);
 828         unsigned long port = ichdev->reg_offset;
 829         static const int fiforeg[] = {
 830                 ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 831         };
 832         unsigned int val, fifo;
 833
 834         val = igetdword(chip, ICHREG(ALI_DMACR));
 835         switch (cmd) {
 836         case SNDRV_PCM_TRIGGER_RESUME:
 837                 ichdev->suspended = 0;
 838                 fallthrough;
 839         case SNDRV_PCM_TRIGGER_START:
 840         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 841                 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 842                         /* clear FIFO for synchronization of channels */
 843                         fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 844                         fifo &= ~(0xff << (ichdev->ali_slot % 4));
 845                         fifo |= 0x83 << (ichdev->ali_slot % 4);
 846                         iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 847                 }
 848                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 849                 val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 850                 /* start DMA */
 851                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 852                 break;
 853         case SNDRV_PCM_TRIGGER_SUSPEND:
 854                 ichdev->suspended = 1;
 855                 fallthrough;
 856         case SNDRV_PCM_TRIGGER_STOP:
 857         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 858                 /* pause */
 859                 iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 860                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 861                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
 862                         ;
 863                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 864                         break;
 865                 /* reset whole DMA things */
 866                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 867                 /* clear interrupts */
 868                 iputbyte(chip, port + ICH_REG_OFF_SR,
 869                          igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 870                 iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 871                           igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 872                 break;
 873         default:
 874                 return -EINVAL;
 875         }
 876         return 0;
 877 }
 878
 879 static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 880                                   struct snd_pcm_hw_params *hw_params)
 881 {
 882         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 883         struct ichdev *ichdev = get_ichdev(substream);
 884         int dbl = params_rate(hw_params) > 48000;
 885         int err;
 886
 887         if (ichdev->pcm_open_flag) {
 888                 snd_ac97_pcm_close(ichdev->pcm);
 889                 ichdev->pcm_open_flag = 0;
 890                 ichdev->prepared = 0;
 891         }
 892         err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 893                                 params_channels(hw_params),
 894                                 ichdev->pcm->r[dbl].slots);
 895         if (err >= 0) {
 896                 ichdev->pcm_open_flag = 1;
 897                 /* Force SPDIF setting */
 898                 if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 899                         snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 900                                           params_rate(hw_params));
 901         }
 902         return err;
 903 }
 904
 905 static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 906 {
 907         struct ichdev *ichdev = get_ichdev(substream);
 908
 909         if (ichdev->pcm_open_flag) {
 910                 snd_ac97_pcm_close(ichdev->pcm);
 911                 ichdev->pcm_open_flag = 0;
 912                 ichdev->prepared = 0;
 913         }
 914         return 0;
 915 }
 916
 917 static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 918                                        struct snd_pcm_runtime *runtime)
 919 {
 920         unsigned int cnt;
 921         int dbl = runtime->rate > 48000;
 922
 923         spin_lock_irq(&chip->reg_lock);
 924         switch (chip->device_type) {
 925         case DEVICE_ALI:
 926                 cnt = igetdword(chip, ICHREG(ALI_SCR));
 927                 cnt &= ~ICH_ALI_SC_PCM_246_MASK;
 928                 if (runtime->channels == 4 || dbl)
 929                         cnt |= ICH_ALI_SC_PCM_4;
 930                 else if (runtime->channels == 6)
 931                         cnt |= ICH_ALI_SC_PCM_6;
 932                 iputdword(chip, ICHREG(ALI_SCR), cnt);
 933                 break;
 934         case DEVICE_SIS:
 935                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
 936                 cnt &= ~ICH_SIS_PCM_246_MASK;
 937                 if (runtime->channels == 4 || dbl)
 938                         cnt |= ICH_SIS_PCM_4;
 939                 else if (runtime->channels == 6)
 940                         cnt |= ICH_SIS_PCM_6;
 941                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
 942                 break;
 943         default:
 944                 cnt = igetdword(chip, ICHREG(GLOB_CNT));
 945                 cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
 946                 if (runtime->channels == 4 || dbl)
 947                         cnt |= ICH_PCM_4;
 948                 else if (runtime->channels == 6)
 949                         cnt |= ICH_PCM_6;
 950                 else if (runtime->channels == 8)
 951                         cnt |= ICH_PCM_8;
 952                 if (chip->device_type == DEVICE_NFORCE) {
 953                         /* reset to 2ch once to keep the 6 channel data in alignment,
 954                          * to start from Front Left always
 955                          */
 956                         if (cnt & ICH_PCM_246_MASK) {
 957                                 iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
 958                                 spin_unlock_irq(&chip->reg_lock);
 959                                 msleep(50); /* grrr... */
 960                                 spin_lock_irq(&chip->reg_lock);
 961                         }
 962                 } else if (chip->device_type == DEVICE_INTEL_ICH4) {
 963                         if (runtime->sample_bits > 16)
 964                                 cnt |= ICH_PCM_20BIT;
 965                 }
 966                 iputdword(chip, ICHREG(GLOB_CNT), cnt);
 967                 break;
 968         }
 969         spin_unlock_irq(&chip->reg_lock);
 970 }
 971
 972 static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
 973 {
 974         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 975         struct snd_pcm_runtime *runtime = substream->runtime;
 976         struct ichdev *ichdev = get_ichdev(substream);
 977
 978         ichdev->physbuf = runtime->dma_addr;
 979         ichdev->size = snd_pcm_lib_buffer_bytes(substream);
 980         ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
 981         if (ichdev->ichd == ICHD_PCMOUT) {
 982                 snd_intel8x0_setup_pcm_out(chip, runtime);
 983                 if (chip->device_type == DEVICE_INTEL_ICH4)
 984                         ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
 985         }
 986         snd_intel8x0_setup_periods(chip, ichdev);
 987         ichdev->prepared = 1;
 988         return 0;
 989 }
 990
 991 static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
 992 {
 993         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 994         struct ichdev *ichdev = get_ichdev(substream);
 995         size_t ptr1, ptr;
 996         int civ, timeout = 10;
 997         unsigned int position;
 998
 999         spin_lock(&chip->reg_lock);
1000         do {
1001                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1002                 ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1003                 position = ichdev->position;
1004                 if (ptr1 == 0) {
1005                         udelay(10);
1006                         continue;
1007                 }
1008                 if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1009                         continue;
1010
1011                 /* IO read operation is very expensive inside virtual machine
1012                  * as it is emulated. The probability that subsequent PICB read
1013                  * will return different result is high enough to loop till
1014                  * timeout here.
1015                  * Same CIV is strict enough condition to be sure that PICB
1016                  * is valid inside VM on emulated card. */
1017                 if (chip->inside_vm)
1018                         break;
1019                 if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1020                         break;
1021         } while (timeout--);
1022         ptr = ichdev->last_pos;
1023         if (ptr1 != 0) {
1024                 ptr1 <<= ichdev->pos_shift;
1025                 ptr = ichdev->fragsize1 - ptr1;
1026                 ptr += position;
1027                 if (ptr < ichdev->last_pos) {
1028                         unsigned int pos_base, last_base;
1029                         pos_base = position / ichdev->fragsize1;
1030                         last_base = ichdev->last_pos / ichdev->fragsize1;
1031                         /* another sanity check; ptr1 can go back to full
1032                          * before the base position is updated
1033                          */
1034                         if (pos_base == last_base)
1035                                 ptr = ichdev->last_pos;
1036                 }
1037         }
1038         ichdev->last_pos = ptr;
1039         spin_unlock(&chip->reg_lock);
1040         if (ptr >= ichdev->size)
1041                 return 0;
1042         return bytes_to_frames(substream->runtime, ptr);
1043 }
1044
1045 static const struct snd_pcm_hardware snd_intel8x0_stream =
1046 {
1047         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1048                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1049                                  SNDRV_PCM_INFO_MMAP_VALID |
1050                                  SNDRV_PCM_INFO_PAUSE |
1051                                  SNDRV_PCM_INFO_RESUME),
1052         .formats =              SNDRV_PCM_FMTBIT_S16_LE,
1053         .rates =                SNDRV_PCM_RATE_48000,
1054         .rate_min =             48000,
1055         .rate_max =             48000,
1056         .channels_min =         2,
1057         .channels_max =         2,
1058         .buffer_bytes_max =     128 * 1024,
1059         .period_bytes_min =     32,
1060         .period_bytes_max =     128 * 1024,
1061         .periods_min =          1,
1062         .periods_max =          1024,
1063         .fifo_size =            0,
1064 };
1065
1066 static const unsigned int channels4[] = {
1067         2, 4,
1068 };
1069
1070 static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1071         .count = ARRAY_SIZE(channels4),
1072         .list = channels4,
1073         .mask = 0,
1074 };
1075
1076 static const unsigned int channels6[] = {
1077         2, 4, 6,
1078 };
1079
1080 static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1081         .count = ARRAY_SIZE(channels6),
1082         .list = channels6,
1083         .mask = 0,
1084 };
1085
1086 static const unsigned int channels8[] = {
1087         2, 4, 6, 8,
1088 };
1089
1090 static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1091         .count = ARRAY_SIZE(channels8),
1092         .list = channels8,
1093         .mask = 0,
1094 };
1095
1096 static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1097 {
1098         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1099         struct snd_pcm_runtime *runtime = substream->runtime;
1100         int err;
1101
1102         ichdev->substream = substream;
1103         runtime->hw = snd_intel8x0_stream;
1104         runtime->hw.rates = ichdev->pcm->rates;
1105         snd_pcm_limit_hw_rates(runtime);
1106         if (chip->device_type == DEVICE_SIS) {
1107                 runtime->hw.buffer_bytes_max = 64*1024;
1108                 runtime->hw.period_bytes_max = 64*1024;
1109         }
1110         err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1111         if (err < 0)
1112                 return err;
1113         runtime->private_data = ichdev;
1114         return 0;
1115 }
1116
1117 static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1118 {
1119         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1120         struct snd_pcm_runtime *runtime = substream->runtime;
1121         int err;
1122
1123         err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1124         if (err < 0)
1125                 return err;
1126
1127         if (chip->multi8) {
1128                 runtime->hw.channels_max = 8;
1129                 snd_pcm_hw_constraint_list(runtime, 0,
1130                                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1131                                                 &hw_constraints_channels8);
1132         } else if (chip->multi6) {
1133                 runtime->hw.channels_max = 6;
1134                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1135                                            &hw_constraints_channels6);
1136         } else if (chip->multi4) {
1137                 runtime->hw.channels_max = 4;
1138                 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1139                                            &hw_constraints_channels4);
1140         }
1141         if (chip->dra) {
1142                 snd_ac97_pcm_double_rate_rules(runtime);
1143         }
1144         if (chip->smp20bit) {
1145                 runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1146                 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1147         }
1148         return 0;
1149 }
1150
1151 static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1152 {
1153         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1154
1155         chip->ichd[ICHD_PCMOUT].substream = NULL;
1156         return 0;
1157 }
1158
1159 static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1160 {
1161         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1162
1163         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1164 }
1165
1166 static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1167 {
1168         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169
1170         chip->ichd[ICHD_PCMIN].substream = NULL;
1171         return 0;
1172 }
1173
1174 static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1175 {
1176         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1177
1178         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1179 }
1180
1181 static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1182 {
1183         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1184
1185         chip->ichd[ICHD_MIC].substream = NULL;
1186         return 0;
1187 }
1188
1189 static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1190 {
1191         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1192
1193         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1194 }
1195
1196 static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1197 {
1198         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1199
1200         chip->ichd[ICHD_MIC2].substream = NULL;
1201         return 0;
1202 }
1203
1204 static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1205 {
1206         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1207
1208         return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1209 }
1210
1211 static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1212 {
1213         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1214
1215         chip->ichd[ICHD_PCM2IN].substream = NULL;
1216         return 0;
1217 }
1218
1219 static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1220 {
1221         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1222         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1223
1224         return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1225 }
1226
1227 static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1228 {
1229         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1230         int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1231
1232         chip->ichd[idx].substream = NULL;
1233         return 0;
1234 }
1235
1236 static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1237 {
1238         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1239         unsigned int val;
1240
1241         spin_lock_irq(&chip->reg_lock);
1242         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1243         val |= ICH_ALI_IF_AC97SP;
1244         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1245         /* also needs to set ALI_SC_CODEC_SPDF correctly */
1246         spin_unlock_irq(&chip->reg_lock);
1247
1248         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1249 }
1250
1251 static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1252 {
1253         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1254         unsigned int val;
1255
1256         chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1257         spin_lock_irq(&chip->reg_lock);
1258         val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1259         val &= ~ICH_ALI_IF_AC97SP;
1260         iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1261         spin_unlock_irq(&chip->reg_lock);
1262
1263         return 0;
1264 }
1265
1266 #if 0 // NYI
1267 static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1268 {
1269         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1270
1271         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1272 }
1273
1274 static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1275 {
1276         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1277
1278         chip->ichd[ALID_SPDIFIN].substream = NULL;
1279         return 0;
1280 }
1281
1282 static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1283 {
1284         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1285
1286         return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1287 }
1288
1289 static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1290 {
1291         struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1292
1293         chip->ichd[ALID_SPDIFOUT].substream = NULL;
1294         return 0;
1295 }
1296 #endif
1297
1298 static const struct snd_pcm_ops snd_intel8x0_playback_ops = {
1299         .open =         snd_intel8x0_playback_open,
1300         .close =        snd_intel8x0_playback_close,
1301         .hw_params =    snd_intel8x0_hw_params,
1302         .hw_free =      snd_intel8x0_hw_free,
1303         .prepare =      snd_intel8x0_pcm_prepare,
1304         .trigger =      snd_intel8x0_pcm_trigger,
1305         .pointer =      snd_intel8x0_pcm_pointer,
1306 };
1307
1308 static const struct snd_pcm_ops snd_intel8x0_capture_ops = {
1309         .open =         snd_intel8x0_capture_open,
1310         .close =        snd_intel8x0_capture_close,
1311         .hw_params =    snd_intel8x0_hw_params,
1312         .hw_free =      snd_intel8x0_hw_free,
1313         .prepare =      snd_intel8x0_pcm_prepare,
1314         .trigger =      snd_intel8x0_pcm_trigger,
1315         .pointer =      snd_intel8x0_pcm_pointer,
1316 };
1317
1318 static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1319         .open =         snd_intel8x0_mic_open,
1320         .close =        snd_intel8x0_mic_close,
1321         .hw_params =    snd_intel8x0_hw_params,
1322         .hw_free =      snd_intel8x0_hw_free,
1323         .prepare =      snd_intel8x0_pcm_prepare,
1324         .trigger =      snd_intel8x0_pcm_trigger,
1325         .pointer =      snd_intel8x0_pcm_pointer,
1326 };
1327
1328 static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1329         .open =         snd_intel8x0_mic2_open,
1330         .close =        snd_intel8x0_mic2_close,
1331         .hw_params =    snd_intel8x0_hw_params,
1332         .hw_free =      snd_intel8x0_hw_free,
1333         .prepare =      snd_intel8x0_pcm_prepare,
1334         .trigger =      snd_intel8x0_pcm_trigger,
1335         .pointer =      snd_intel8x0_pcm_pointer,
1336 };
1337
1338 static const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1339         .open =         snd_intel8x0_capture2_open,
1340         .close =        snd_intel8x0_capture2_close,
1341         .hw_params =    snd_intel8x0_hw_params,
1342         .hw_free =      snd_intel8x0_hw_free,
1343         .prepare =      snd_intel8x0_pcm_prepare,
1344         .trigger =      snd_intel8x0_pcm_trigger,
1345         .pointer =      snd_intel8x0_pcm_pointer,
1346 };
1347
1348 static const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1349         .open =         snd_intel8x0_spdif_open,
1350         .close =        snd_intel8x0_spdif_close,
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 const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1359         .open =         snd_intel8x0_playback_open,
1360         .close =        snd_intel8x0_playback_close,
1361         .hw_params =    snd_intel8x0_hw_params,
1362         .hw_free =      snd_intel8x0_hw_free,
1363         .prepare =      snd_intel8x0_pcm_prepare,
1364         .trigger =      snd_intel8x0_ali_trigger,
1365         .pointer =      snd_intel8x0_pcm_pointer,
1366 };
1367
1368 static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1369         .open =         snd_intel8x0_capture_open,
1370         .close =        snd_intel8x0_capture_close,
1371         .hw_params =    snd_intel8x0_hw_params,
1372         .hw_free =      snd_intel8x0_hw_free,
1373         .prepare =      snd_intel8x0_pcm_prepare,
1374         .trigger =      snd_intel8x0_ali_trigger,
1375         .pointer =      snd_intel8x0_pcm_pointer,
1376 };
1377
1378 static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1379         .open =         snd_intel8x0_mic_open,
1380         .close =        snd_intel8x0_mic_close,
1381         .hw_params =    snd_intel8x0_hw_params,
1382         .hw_free =      snd_intel8x0_hw_free,
1383         .prepare =      snd_intel8x0_pcm_prepare,
1384         .trigger =      snd_intel8x0_ali_trigger,
1385         .pointer =      snd_intel8x0_pcm_pointer,
1386 };
1387
1388 static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1389         .open =         snd_intel8x0_ali_ac97spdifout_open,
1390         .close =        snd_intel8x0_ali_ac97spdifout_close,
1391         .hw_params =    snd_intel8x0_hw_params,
1392         .hw_free =      snd_intel8x0_hw_free,
1393         .prepare =      snd_intel8x0_pcm_prepare,
1394         .trigger =      snd_intel8x0_ali_trigger,
1395         .pointer =      snd_intel8x0_pcm_pointer,
1396 };
1397
1398 #if 0 // NYI
1399 static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1400         .open =         snd_intel8x0_ali_spdifin_open,
1401         .close =        snd_intel8x0_ali_spdifin_close,
1402         .hw_params =    snd_intel8x0_hw_params,
1403         .hw_free =      snd_intel8x0_hw_free,
1404         .prepare =      snd_intel8x0_pcm_prepare,
1405         .trigger =      snd_intel8x0_pcm_trigger,
1406         .pointer =      snd_intel8x0_pcm_pointer,
1407 };
1408
1409 static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1410         .open =         snd_intel8x0_ali_spdifout_open,
1411         .close =        snd_intel8x0_ali_spdifout_close,
1412         .hw_params =    snd_intel8x0_hw_params,
1413         .hw_free =      snd_intel8x0_hw_free,
1414         .prepare =      snd_intel8x0_pcm_prepare,
1415         .trigger =      snd_intel8x0_pcm_trigger,
1416         .pointer =      snd_intel8x0_pcm_pointer,
1417 };
1418 #endif // NYI
1419
1420 struct ich_pcm_table {
1421         char *suffix;
1422         const struct snd_pcm_ops *playback_ops;
1423         const struct snd_pcm_ops *capture_ops;
1424         size_t prealloc_size;
1425         size_t prealloc_max_size;
1426         int ac97_idx;
1427 };
1428
1429 #define intel8x0_dma_type(chip) \
1430         ((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_WC : SNDRV_DMA_TYPE_DEV)
1431
1432 static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1433                              const struct ich_pcm_table *rec)
1434 {
1435         struct snd_pcm *pcm;
1436         int err;
1437         char name[32];
1438
1439         if (rec->suffix)
1440                 sprintf(name, "Intel ICH - %s", rec->suffix);
1441         else
1442                 strcpy(name, "Intel ICH");
1443         err = snd_pcm_new(chip->card, name, device,
1444                           rec->playback_ops ? 1 : 0,
1445                           rec->capture_ops ? 1 : 0, &pcm);
1446         if (err < 0)
1447                 return err;
1448
1449         if (rec->playback_ops)
1450                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1451         if (rec->capture_ops)
1452                 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1453
1454         pcm->private_data = chip;
1455         pcm->info_flags = 0;
1456         if (rec->suffix)
1457                 sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1458         else
1459                 strcpy(pcm->name, chip->card->shortname);
1460         chip->pcm[device] = pcm;
1461
1462         snd_pcm_set_managed_buffer_all(pcm, intel8x0_dma_type(chip),
1463                                        &chip->pci->dev,
1464                                        rec->prealloc_size, rec->prealloc_max_size);
1465
1466         if (rec->playback_ops &&
1467             rec->playback_ops->open == snd_intel8x0_playback_open) {
1468                 struct snd_pcm_chmap *chmap;
1469                 int chs = 2;
1470                 if (chip->multi8)
1471                         chs = 8;
1472                 else if (chip->multi6)
1473                         chs = 6;
1474                 else if (chip->multi4)
1475                         chs = 4;
1476                 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1477                                              snd_pcm_alt_chmaps, chs, 0,
1478                                              &chmap);
1479                 if (err < 0)
1480                         return err;
1481                 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
1482                 chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1483         }
1484
1485         return 0;
1486 }
1487
1488 static const struct ich_pcm_table intel_pcms[] = {
1489         {
1490                 .playback_ops = &snd_intel8x0_playback_ops,
1491                 .capture_ops = &snd_intel8x0_capture_ops,
1492                 .prealloc_size = 64 * 1024,
1493                 .prealloc_max_size = 128 * 1024,
1494         },
1495         {
1496                 .suffix = "MIC ADC",
1497                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1498                 .prealloc_size = 0,
1499                 .prealloc_max_size = 128 * 1024,
1500                 .ac97_idx = ICHD_MIC,
1501         },
1502         {
1503                 .suffix = "MIC2 ADC",
1504                 .capture_ops = &snd_intel8x0_capture_mic2_ops,
1505                 .prealloc_size = 0,
1506                 .prealloc_max_size = 128 * 1024,
1507                 .ac97_idx = ICHD_MIC2,
1508         },
1509         {
1510                 .suffix = "ADC2",
1511                 .capture_ops = &snd_intel8x0_capture2_ops,
1512                 .prealloc_size = 0,
1513                 .prealloc_max_size = 128 * 1024,
1514                 .ac97_idx = ICHD_PCM2IN,
1515         },
1516         {
1517                 .suffix = "IEC958",
1518                 .playback_ops = &snd_intel8x0_spdif_ops,
1519                 .prealloc_size = 64 * 1024,
1520                 .prealloc_max_size = 128 * 1024,
1521                 .ac97_idx = ICHD_SPBAR,
1522         },
1523 };
1524
1525 static const struct ich_pcm_table nforce_pcms[] = {
1526         {
1527                 .playback_ops = &snd_intel8x0_playback_ops,
1528                 .capture_ops = &snd_intel8x0_capture_ops,
1529                 .prealloc_size = 64 * 1024,
1530                 .prealloc_max_size = 128 * 1024,
1531         },
1532         {
1533                 .suffix = "MIC ADC",
1534                 .capture_ops = &snd_intel8x0_capture_mic_ops,
1535                 .prealloc_size = 0,
1536                 .prealloc_max_size = 128 * 1024,
1537                 .ac97_idx = NVD_MIC,
1538         },
1539         {
1540                 .suffix = "IEC958",
1541                 .playback_ops = &snd_intel8x0_spdif_ops,
1542                 .prealloc_size = 64 * 1024,
1543                 .prealloc_max_size = 128 * 1024,
1544                 .ac97_idx = NVD_SPBAR,
1545         },
1546 };
1547
1548 static const struct ich_pcm_table ali_pcms[] = {
1549         {
1550                 .playback_ops = &snd_intel8x0_ali_playback_ops,
1551                 .capture_ops = &snd_intel8x0_ali_capture_ops,
1552                 .prealloc_size = 64 * 1024,
1553                 .prealloc_max_size = 128 * 1024,
1554         },
1555         {
1556                 .suffix = "MIC ADC",
1557                 .capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1558                 .prealloc_size = 0,
1559                 .prealloc_max_size = 128 * 1024,
1560                 .ac97_idx = ALID_MIC,
1561         },
1562         {
1563                 .suffix = "IEC958",
1564                 .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1565                 /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1566                 .prealloc_size = 64 * 1024,
1567                 .prealloc_max_size = 128 * 1024,
1568                 .ac97_idx = ALID_AC97SPDIFOUT,
1569         },
1570 #if 0 // NYI
1571         {
1572                 .suffix = "HW IEC958",
1573                 .playback_ops = &snd_intel8x0_ali_spdifout_ops,
1574                 .prealloc_size = 64 * 1024,
1575                 .prealloc_max_size = 128 * 1024,
1576         },
1577 #endif
1578 };
1579
1580 static int snd_intel8x0_pcm(struct intel8x0 *chip)
1581 {
1582         int i, tblsize, device, err;
1583         const struct ich_pcm_table *tbl, *rec;
1584
1585         switch (chip->device_type) {
1586         case DEVICE_INTEL_ICH4:
1587                 tbl = intel_pcms;
1588                 tblsize = ARRAY_SIZE(intel_pcms);
1589                 if (spdif_aclink)
1590                         tblsize--;
1591                 break;
1592         case DEVICE_NFORCE:
1593                 tbl = nforce_pcms;
1594                 tblsize = ARRAY_SIZE(nforce_pcms);
1595                 if (spdif_aclink)
1596                         tblsize--;
1597                 break;
1598         case DEVICE_ALI:
1599                 tbl = ali_pcms;
1600                 tblsize = ARRAY_SIZE(ali_pcms);
1601                 break;
1602         default:
1603                 tbl = intel_pcms;
1604                 tblsize = 2;
1605                 break;
1606         }
1607
1608         device = 0;
1609         for (i = 0; i < tblsize; i++) {
1610                 rec = tbl + i;
1611                 if (i > 0 && rec->ac97_idx) {
1612                         /* activate PCM only when associated AC'97 codec */
1613                         if (! chip->ichd[rec->ac97_idx].pcm)
1614                                 continue;
1615                 }
1616                 err = snd_intel8x0_pcm1(chip, device, rec);
1617                 if (err < 0)
1618                         return err;
1619                 device++;
1620         }
1621
1622         chip->pcm_devs = device;
1623         return 0;
1624 }
1625
1626
1627 /*
1628  *  Mixer part
1629  */
1630
1631 static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1632 {
1633         struct intel8x0 *chip = bus->private_data;
1634         chip->ac97_bus = NULL;
1635 }
1636
1637 static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1638 {
1639         struct intel8x0 *chip = ac97->private_data;
1640         chip->ac97[ac97->num] = NULL;
1641 }
1642
1643 static const struct ac97_pcm ac97_pcm_defs[] = {
1644         /* front PCM */
1645         {
1646                 .exclusive = 1,
1647                 .r = {  {
1648                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1649                                          (1 << AC97_SLOT_PCM_RIGHT) |
1650                                          (1 << AC97_SLOT_PCM_CENTER) |
1651                                          (1 << AC97_SLOT_PCM_SLEFT) |
1652                                          (1 << AC97_SLOT_PCM_SRIGHT) |
1653                                          (1 << AC97_SLOT_LFE)
1654                         },
1655                         {
1656                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1657                                          (1 << AC97_SLOT_PCM_RIGHT) |
1658                                          (1 << AC97_SLOT_PCM_LEFT_0) |
1659                                          (1 << AC97_SLOT_PCM_RIGHT_0)
1660                         }
1661                 }
1662         },
1663         /* PCM IN #1 */
1664         {
1665                 .stream = 1,
1666                 .exclusive = 1,
1667                 .r = {  {
1668                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1669                                          (1 << AC97_SLOT_PCM_RIGHT)
1670                         }
1671                 }
1672         },
1673         /* MIC IN #1 */
1674         {
1675                 .stream = 1,
1676                 .exclusive = 1,
1677                 .r = {  {
1678                                 .slots = (1 << AC97_SLOT_MIC)
1679                         }
1680                 }
1681         },
1682         /* S/PDIF PCM */
1683         {
1684                 .exclusive = 1,
1685                 .spdif = 1,
1686                 .r = {  {
1687                                 .slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1688                                          (1 << AC97_SLOT_SPDIF_RIGHT2)
1689                         }
1690                 }
1691         },
1692         /* PCM IN #2 */
1693         {
1694                 .stream = 1,
1695                 .exclusive = 1,
1696                 .r = {  {
1697                                 .slots = (1 << AC97_SLOT_PCM_LEFT) |
1698                                          (1 << AC97_SLOT_PCM_RIGHT)
1699                         }
1700                 }
1701         },
1702         /* MIC IN #2 */
1703         {
1704                 .stream = 1,
1705                 .exclusive = 1,
1706                 .r = {  {
1707                                 .slots = (1 << AC97_SLOT_MIC)
1708                         }
1709                 }
1710         },
1711 };
1712
1713 static const struct ac97_quirk ac97_quirks[] = {
1714         {
1715                 .subvendor = 0x0e11,
1716                 .subdevice = 0x000e,
1717                 .name = "Compaq Deskpro EN",    /* AD1885 */
1718                 .type = AC97_TUNE_HP_ONLY
1719         },
1720         {
1721                 .subvendor = 0x0e11,
1722                 .subdevice = 0x008a,
1723                 .name = "Compaq Evo W4000",     /* AD1885 */
1724                 .type = AC97_TUNE_HP_ONLY
1725         },
1726         {
1727                 .subvendor = 0x0e11,
1728                 .subdevice = 0x00b8,
1729                 .name = "Compaq Evo D510C",
1730                 .type = AC97_TUNE_HP_ONLY
1731         },
1732         {
1733                 .subvendor = 0x0e11,
1734                 .subdevice = 0x0860,
1735                 .name = "HP/Compaq nx7010",
1736                 .type = AC97_TUNE_MUTE_LED
1737         },
1738         {
1739                 .subvendor = 0x1014,
1740                 .subdevice = 0x0534,
1741                 .name = "ThinkPad X31",
1742                 .type = AC97_TUNE_INV_EAPD
1743         },
1744         {
1745                 .subvendor = 0x1014,
1746                 .subdevice = 0x1f00,
1747                 .name = "MS-9128",
1748                 .type = AC97_TUNE_ALC_JACK
1749         },
1750         {
1751                 .subvendor = 0x1014,
1752                 .subdevice = 0x0267,
1753                 .name = "IBM NetVista A30p",    /* AD1981B */
1754                 .type = AC97_TUNE_HP_ONLY
1755         },
1756         {
1757                 .subvendor = 0x1025,
1758                 .subdevice = 0x0082,
1759                 .name = "Acer Travelmate 2310",
1760                 .type = AC97_TUNE_HP_ONLY
1761         },
1762         {
1763                 .subvendor = 0x1025,
1764                 .subdevice = 0x0083,
1765                 .name = "Acer Aspire 3003LCi",
1766                 .type = AC97_TUNE_HP_ONLY
1767         },
1768         {
1769                 .subvendor = 0x1028,
1770                 .subdevice = 0x00d8,
1771                 .name = "Dell Precision 530",   /* AD1885 */
1772                 .type = AC97_TUNE_HP_ONLY
1773         },
1774         {
1775                 .subvendor = 0x1028,
1776                 .subdevice = 0x010d,
1777                 .name = "Dell", /* which model?  AD1885 */
1778                 .type = AC97_TUNE_HP_ONLY
1779         },
1780         {
1781                 .subvendor = 0x1028,
1782                 .subdevice = 0x0126,
1783                 .name = "Dell Optiplex GX260",  /* AD1981A */
1784                 .type = AC97_TUNE_HP_ONLY
1785         },
1786         {
1787                 .subvendor = 0x1028,
1788                 .subdevice = 0x012c,
1789                 .name = "Dell Precision 650",   /* AD1981A */
1790                 .type = AC97_TUNE_HP_ONLY
1791         },
1792         {
1793                 .subvendor = 0x1028,
1794                 .subdevice = 0x012d,
1795                 .name = "Dell Precision 450",   /* AD1981B*/
1796                 .type = AC97_TUNE_HP_ONLY
1797         },
1798         {
1799                 .subvendor = 0x1028,
1800                 .subdevice = 0x0147,
1801                 .name = "Dell", /* which model?  AD1981B*/
1802                 .type = AC97_TUNE_HP_ONLY
1803         },
1804         {
1805                 .subvendor = 0x1028,
1806                 .subdevice = 0x0151,
1807                 .name = "Dell Optiplex GX270",  /* AD1981B */
1808                 .type = AC97_TUNE_HP_ONLY
1809         },
1810         {
1811                 .subvendor = 0x1028,
1812                 .subdevice = 0x014e,
1813                 .name = "Dell D800", /* STAC9750/51 */
1814                 .type = AC97_TUNE_HP_ONLY
1815         },
1816         {
1817                 .subvendor = 0x1028,
1818                 .subdevice = 0x0163,
1819                 .name = "Dell Unknown", /* STAC9750/51 */
1820                 .type = AC97_TUNE_HP_ONLY
1821         },
1822         {
1823                 .subvendor = 0x1028,
1824                 .subdevice = 0x016a,
1825                 .name = "Dell Inspiron 8600",   /* STAC9750/51 */
1826                 .type = AC97_TUNE_HP_ONLY
1827         },
1828         {
1829                 .subvendor = 0x1028,
1830                 .subdevice = 0x0182,
1831                 .name = "Dell Latitude D610",   /* STAC9750/51 */
1832                 .type = AC97_TUNE_HP_ONLY
1833         },
1834         {
1835                 .subvendor = 0x1028,
1836                 .subdevice = 0x0186,
1837                 .name = "Dell Latitude D810", /* cf. Malone #41015 */
1838                 .type = AC97_TUNE_HP_MUTE_LED
1839         },
1840         {
1841                 .subvendor = 0x1028,
1842                 .subdevice = 0x0188,
1843                 .name = "Dell Inspiron 6000",
1844                 .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1845         },
1846         {
1847                 .subvendor = 0x1028,
1848                 .subdevice = 0x0189,
1849                 .name = "Dell Inspiron 9300",
1850                 .type = AC97_TUNE_HP_MUTE_LED
1851         },
1852         {
1853                 .subvendor = 0x1028,
1854                 .subdevice = 0x0191,
1855                 .name = "Dell Inspiron 8600",
1856                 .type = AC97_TUNE_HP_ONLY
1857         },
1858         {
1859                 .subvendor = 0x103c,
1860                 .subdevice = 0x006d,
1861                 .name = "HP zv5000",
1862                 .type = AC97_TUNE_MUTE_LED      /*AD1981B*/
1863         },
1864         {       /* FIXME: which codec? */
1865                 .subvendor = 0x103c,
1866                 .subdevice = 0x00c3,
1867                 .name = "HP xw6000",
1868                 .type = AC97_TUNE_HP_ONLY
1869         },
1870         {
1871                 .subvendor = 0x103c,
1872                 .subdevice = 0x088c,
1873                 .name = "HP nc8000",
1874                 .type = AC97_TUNE_HP_MUTE_LED
1875         },
1876         {
1877                 .subvendor = 0x103c,
1878                 .subdevice = 0x0890,
1879                 .name = "HP nc6000",
1880                 .type = AC97_TUNE_MUTE_LED
1881         },
1882         {
1883                 .subvendor = 0x103c,
1884                 .subdevice = 0x129d,
1885                 .name = "HP xw8000",
1886                 .type = AC97_TUNE_HP_ONLY
1887         },
1888         {
1889                 .subvendor = 0x103c,
1890                 .subdevice = 0x0938,
1891                 .name = "HP nc4200",
1892                 .type = AC97_TUNE_HP_MUTE_LED
1893         },
1894         {
1895                 .subvendor = 0x103c,
1896                 .subdevice = 0x099c,
1897                 .name = "HP nx6110/nc6120",
1898                 .type = AC97_TUNE_HP_MUTE_LED
1899         },
1900         {
1901                 .subvendor = 0x103c,
1902                 .subdevice = 0x0944,
1903                 .name = "HP nc6220",
1904                 .type = AC97_TUNE_HP_MUTE_LED
1905         },
1906         {
1907                 .subvendor = 0x103c,
1908                 .subdevice = 0x0934,
1909                 .name = "HP nc8220",
1910                 .type = AC97_TUNE_HP_MUTE_LED
1911         },
1912         {
1913                 .subvendor = 0x103c,
1914                 .subdevice = 0x12f1,
1915                 .name = "HP xw8200",    /* AD1981B*/
1916                 .type = AC97_TUNE_HP_ONLY
1917         },
1918         {
1919                 .subvendor = 0x103c,
1920                 .subdevice = 0x12f2,
1921                 .name = "HP xw6200",
1922                 .type = AC97_TUNE_HP_ONLY
1923         },
1924         {
1925                 .subvendor = 0x103c,
1926                 .subdevice = 0x3008,
1927                 .name = "HP xw4200",    /* AD1981B*/
1928                 .type = AC97_TUNE_HP_ONLY
1929         },
1930         {
1931                 .subvendor = 0x104d,
1932                 .subdevice = 0x8144,
1933                 .name = "Sony",
1934                 .type = AC97_TUNE_INV_EAPD
1935         },
1936         {
1937                 .subvendor = 0x104d,
1938                 .subdevice = 0x8197,
1939                 .name = "Sony S1XP",
1940                 .type = AC97_TUNE_INV_EAPD
1941         },
1942         {
1943                 .subvendor = 0x104d,
1944                 .subdevice = 0x81c0,
1945                 .name = "Sony VAIO VGN-T350P", /*AD1981B*/
1946                 .type = AC97_TUNE_INV_EAPD
1947         },
1948         {
1949                 .subvendor = 0x104d,
1950                 .subdevice = 0x81c5,
1951                 .name = "Sony VAIO VGN-B1VP", /*AD1981B*/
1952                 .type = AC97_TUNE_INV_EAPD
1953         },
1954         {
1955                 .subvendor = 0x1043,
1956                 .subdevice = 0x80f3,
1957                 .name = "ASUS ICH5/AD1985",
1958                 .type = AC97_TUNE_AD_SHARING
1959         },
1960         {
1961                 .subvendor = 0x10cf,
1962                 .subdevice = 0x11c3,
1963                 .name = "Fujitsu-Siemens E4010",
1964                 .type = AC97_TUNE_HP_ONLY
1965         },
1966         {
1967                 .subvendor = 0x10cf,
1968                 .subdevice = 0x1225,
1969                 .name = "Fujitsu-Siemens T3010",
1970                 .type = AC97_TUNE_HP_ONLY
1971         },
1972         {
1973                 .subvendor = 0x10cf,
1974                 .subdevice = 0x1253,
1975                 .name = "Fujitsu S6210",        /* STAC9750/51 */
1976                 .type = AC97_TUNE_HP_ONLY
1977         },
1978         {
1979                 .subvendor = 0x10cf,
1980                 .subdevice = 0x127d,
1981                 .name = "Fujitsu Lifebook P7010",
1982                 .type = AC97_TUNE_HP_ONLY
1983         },
1984         {
1985                 .subvendor = 0x10cf,
1986                 .subdevice = 0x127e,
1987                 .name = "Fujitsu Lifebook C1211D",
1988                 .type = AC97_TUNE_HP_ONLY
1989         },
1990         {
1991                 .subvendor = 0x10cf,
1992                 .subdevice = 0x12ec,
1993                 .name = "Fujitsu-Siemens 4010",
1994                 .type = AC97_TUNE_HP_ONLY
1995         },
1996         {
1997                 .subvendor = 0x10cf,
1998                 .subdevice = 0x12f2,
1999                 .name = "Fujitsu-Siemens Celsius H320",
2000                 .type = AC97_TUNE_SWAP_HP
2001         },
2002         {
2003                 .subvendor = 0x10f1,
2004                 .subdevice = 0x2665,
2005                 .name = "Fujitsu-Siemens Celsius",      /* AD1981? */
2006                 .type = AC97_TUNE_HP_ONLY
2007         },
2008         {
2009                 .subvendor = 0x10f1,
2010                 .subdevice = 0x2885,
2011                 .name = "AMD64 Mobo",   /* ALC650 */
2012                 .type = AC97_TUNE_HP_ONLY
2013         },
2014         {
2015                 .subvendor = 0x10f1,
2016                 .subdevice = 0x2895,
2017                 .name = "Tyan Thunder K8WE",
2018                 .type = AC97_TUNE_HP_ONLY
2019         },
2020         {
2021                 .subvendor = 0x10f7,
2022                 .subdevice = 0x834c,
2023                 .name = "Panasonic CF-R4",
2024                 .type = AC97_TUNE_HP_ONLY,
2025         },
2026         {
2027                 .subvendor = 0x110a,
2028                 .subdevice = 0x0056,
2029                 .name = "Fujitsu-Siemens Scenic",       /* AD1981? */
2030                 .type = AC97_TUNE_HP_ONLY
2031         },
2032         {
2033                 .subvendor = 0x11d4,
2034                 .subdevice = 0x5375,
2035                 .name = "ADI AD1985 (discrete)",
2036                 .type = AC97_TUNE_HP_ONLY
2037         },
2038         {
2039                 .subvendor = 0x1462,
2040                 .subdevice = 0x5470,
2041                 .name = "MSI P4 ATX 645 Ultra",
2042                 .type = AC97_TUNE_HP_ONLY
2043         },
2044         {
2045                 .subvendor = 0x161f,
2046                 .subdevice = 0x202f,
2047                 .name = "Gateway M520",
2048                 .type = AC97_TUNE_INV_EAPD
2049         },
2050         {
2051                 .subvendor = 0x161f,
2052                 .subdevice = 0x203a,
2053                 .name = "Gateway 4525GZ",               /* AD1981B */
2054                 .type = AC97_TUNE_INV_EAPD
2055         },
2056         {
2057                 .subvendor = 0x1734,
2058                 .subdevice = 0x0088,
2059                 .name = "Fujitsu-Siemens D1522",        /* AD1981 */
2060                 .type = AC97_TUNE_HP_ONLY
2061         },
2062         {
2063                 .subvendor = 0x8086,
2064                 .subdevice = 0x2000,
2065                 .mask = 0xfff0,
2066                 .name = "Intel ICH5/AD1985",
2067                 .type = AC97_TUNE_AD_SHARING
2068         },
2069         {
2070                 .subvendor = 0x8086,
2071                 .subdevice = 0x4000,
2072                 .mask = 0xfff0,
2073                 .name = "Intel ICH5/AD1985",
2074                 .type = AC97_TUNE_AD_SHARING
2075         },
2076         {
2077                 .subvendor = 0x8086,
2078                 .subdevice = 0x4856,
2079                 .name = "Intel D845WN (82801BA)",
2080                 .type = AC97_TUNE_SWAP_HP
2081         },
2082         {
2083                 .subvendor = 0x8086,
2084                 .subdevice = 0x4d44,
2085                 .name = "Intel D850EMV2",       /* AD1885 */
2086                 .type = AC97_TUNE_HP_ONLY
2087         },
2088         {
2089                 .subvendor = 0x8086,
2090                 .subdevice = 0x4d56,
2091                 .name = "Intel ICH/AD1885",
2092                 .type = AC97_TUNE_HP_ONLY
2093         },
2094         {
2095                 .subvendor = 0x8086,
2096                 .subdevice = 0x6000,
2097                 .mask = 0xfff0,
2098                 .name = "Intel ICH5/AD1985",
2099                 .type = AC97_TUNE_AD_SHARING
2100         },
2101         {
2102                 .subvendor = 0x8086,
2103                 .subdevice = 0xe000,
2104                 .mask = 0xfff0,
2105                 .name = "Intel ICH5/AD1985",
2106                 .type = AC97_TUNE_AD_SHARING
2107         },
2108 #if 0 /* FIXME: this seems wrong on most boards */
2109         {
2110                 .subvendor = 0x8086,
2111                 .subdevice = 0xa000,
2112                 .mask = 0xfff0,
2113                 .name = "Intel ICH5/AD1985",
2114                 .type = AC97_TUNE_HP_ONLY
2115         },
2116 #endif
2117         { } /* terminator */
2118 };
2119
2120 static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2121                               const char *quirk_override)
2122 {
2123         struct snd_ac97_bus *pbus;
2124         struct snd_ac97_template ac97;
2125         int err;
2126         unsigned int i, codecs;
2127         unsigned int glob_sta = 0;
2128         const struct snd_ac97_bus_ops *ops;
2129         static const struct snd_ac97_bus_ops standard_bus_ops = {
2130                 .write = snd_intel8x0_codec_write,
2131                 .read = snd_intel8x0_codec_read,
2132         };
2133         static const struct snd_ac97_bus_ops ali_bus_ops = {
2134                 .write = snd_intel8x0_ali_codec_write,
2135                 .read = snd_intel8x0_ali_codec_read,
2136         };
2137
2138         chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2139         if (!spdif_aclink) {
2140                 switch (chip->device_type) {
2141                 case DEVICE_NFORCE:
2142                         chip->spdif_idx = NVD_SPBAR;
2143                         break;
2144                 case DEVICE_ALI:
2145                         chip->spdif_idx = ALID_AC97SPDIFOUT;
2146                         break;
2147                 case DEVICE_INTEL_ICH4:
2148                         chip->spdif_idx = ICHD_SPBAR;
2149                         break;
2150                 }
2151         }
2152
2153         chip->in_ac97_init = 1;
2154
2155         memset(&ac97, 0, sizeof(ac97));
2156         ac97.private_data = chip;
2157         ac97.private_free = snd_intel8x0_mixer_free_ac97;
2158         ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2159         if (chip->xbox)
2160                 ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2161         if (chip->device_type != DEVICE_ALI) {
2162                 glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2163                 ops = &standard_bus_ops;
2164                 chip->in_sdin_init = 1;
2165                 codecs = 0;
2166                 for (i = 0; i < chip->max_codecs; i++) {
2167                         if (! (glob_sta & chip->codec_bit[i]))
2168                                 continue;
2169                         if (chip->device_type == DEVICE_INTEL_ICH4) {
2170                                 snd_intel8x0_codec_read_test(chip, codecs);
2171                                 chip->ac97_sdin[codecs] =
2172                                         igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2173                                 if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2174                                         chip->ac97_sdin[codecs] = 0;
2175                         } else
2176                                 chip->ac97_sdin[codecs] = i;
2177                         codecs++;
2178                 }
2179                 chip->in_sdin_init = 0;
2180                 if (! codecs)
2181                         codecs = 1;
2182         } else {
2183                 ops = &ali_bus_ops;
2184                 codecs = 1;
2185                 /* detect the secondary codec */
2186                 for (i = 0; i < 100; i++) {
2187                         unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2188                         if (reg & 0x40) {
2189                                 codecs = 2;
2190                                 break;
2191                         }
2192                         iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2193                         udelay(1);
2194                 }
2195         }
2196         err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus);
2197         if (err < 0)
2198                 goto __err;
2199         pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2200         if (ac97_clock >= 8000 && ac97_clock <= 48000)
2201                 pbus->clock = ac97_clock;
2202         /* FIXME: my test board doesn't work well with VRA... */
2203         if (chip->device_type == DEVICE_ALI)
2204                 pbus->no_vra = 1;
2205         else
2206                 pbus->dra = 1;
2207         chip->ac97_bus = pbus;
2208         chip->ncodecs = codecs;
2209
2210         ac97.pci = chip->pci;
2211         for (i = 0; i < codecs; i++) {
2212                 ac97.num = i;
2213                 err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i]);
2214                 if (err < 0) {
2215                         if (err != -EACCES)
2216                                 dev_err(chip->card->dev,
2217                                         "Unable to initialize codec #%d\n", i);
2218                         if (i == 0)
2219                                 goto __err;
2220                 }
2221         }
2222         /* tune up the primary codec */
2223         snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2224         /* enable separate SDINs for ICH4 */
2225         if (chip->device_type == DEVICE_INTEL_ICH4)
2226                 pbus->isdin = 1;
2227         /* find the available PCM streams */
2228         i = ARRAY_SIZE(ac97_pcm_defs);
2229         if (chip->device_type != DEVICE_INTEL_ICH4)
2230                 i -= 2;         /* do not allocate PCM2IN and MIC2 */
2231         if (chip->spdif_idx < 0)
2232                 i--;            /* do not allocate S/PDIF */
2233         err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2234         if (err < 0)
2235                 goto __err;
2236         chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2237         chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2238         chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2239         if (chip->spdif_idx >= 0)
2240                 chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2241         if (chip->device_type == DEVICE_INTEL_ICH4) {
2242                 chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2243                 chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2244         }
2245         /* enable separate SDINs for ICH4 */
2246         if (chip->device_type == DEVICE_INTEL_ICH4) {
2247                 struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2248                 u8 tmp = igetbyte(chip, ICHREG(SDM));
2249                 tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2250                 if (pcm) {
2251                         tmp |= ICH_SE;  /* steer enable for multiple SDINs */
2252                         tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2253                         for (i = 1; i < 4; i++) {
2254                                 if (pcm->r[0].codec[i]) {
2255                                         tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2256                                         break;
2257                                 }
2258                         }
2259                 } else {
2260                         tmp &= ~ICH_SE; /* steer disable */
2261                 }
2262                 iputbyte(chip, ICHREG(SDM), tmp);
2263         }
2264         if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2265                 chip->multi4 = 1;
2266                 if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2267                         chip->multi6 = 1;
2268                         if (chip->ac97[0]->flags & AC97_HAS_8CH)
2269                                 chip->multi8 = 1;
2270                 }
2271         }
2272         if (pbus->pcms[0].r[1].rslots[0]) {
2273                 chip->dra = 1;
2274         }
2275         if (chip->device_type == DEVICE_INTEL_ICH4) {
2276                 if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2277                         chip->smp20bit = 1;
2278         }
2279         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2280                 /* 48kHz only */
2281                 chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2282         }
2283         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2284                 /* use slot 10/11 for SPDIF */
2285                 u32 val;
2286                 val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2287                 val |= ICH_PCM_SPDIF_1011;
2288                 iputdword(chip, ICHREG(GLOB_CNT), val);
2289                 snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2290         }
2291         chip->in_ac97_init = 0;
2292         return 0;
2293
2294  __err:
2295         /* clear the cold-reset bit for the next chance */
2296         if (chip->device_type != DEVICE_ALI)
2297                 iputdword(chip, ICHREG(GLOB_CNT),
2298                           igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2299         return err;
2300 }
2301
2302
2303 /*
2304  *
2305  */
2306
2307 static void do_ali_reset(struct intel8x0 *chip)
2308 {
2309         iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2310         iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2311         iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2312         iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2313         iputdword(chip, ICHREG(ALI_INTERFACECR),
2314                   ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2315         iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2316         iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2317 }
2318
2319 #ifdef CONFIG_SND_AC97_POWER_SAVE
2320 static const struct snd_pci_quirk ich_chip_reset_mode[] = {
2321         SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2322         { } /* end */
2323 };
2324
2325 static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2326 {
2327         unsigned int cnt;
2328         /* ACLink on, 2 channels */
2329
2330         if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2331                 return -EIO;
2332
2333         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2334         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2335
2336         /* do cold reset - the full ac97 powerdown may leave the controller
2337          * in a warm state but actually it cannot communicate with the codec.
2338          */
2339         iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2340         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2341         udelay(10);
2342         iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2343         msleep(1);
2344         return 0;
2345 }
2346 #define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2347         (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2348 #else
2349 #define snd_intel8x0_ich_chip_cold_reset(chip)  0
2350 #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2351 #endif
2352
2353 static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2354 {
2355         unsigned long end_time;
2356         unsigned int cnt;
2357         /* ACLink on, 2 channels */
2358         cnt = igetdword(chip, ICHREG(GLOB_CNT));
2359         cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2360         /* finish cold or do warm reset */
2361         cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2362         iputdword(chip, ICHREG(GLOB_CNT), cnt);
2363         end_time = (jiffies + (HZ / 4)) + 1;
2364         do {
2365                 if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2366                         return 0;
2367                 schedule_timeout_uninterruptible(1);
2368         } while (time_after_eq(end_time, jiffies));
2369         dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n",
2370                    igetdword(chip, ICHREG(GLOB_CNT)));
2371         return -EIO;
2372 }
2373
2374 static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2375 {
2376         unsigned long end_time;
2377         unsigned int status, nstatus;
2378         unsigned int cnt;
2379         int err;
2380
2381         /* put logic to right state */
2382         /* first clear status bits */
2383         status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2384         if (chip->device_type == DEVICE_NFORCE)
2385                 status |= ICH_NVSPINT;
2386         cnt = igetdword(chip, ICHREG(GLOB_STA));
2387         iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2388
2389         if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2390                 err = snd_intel8x0_ich_chip_cold_reset(chip);
2391         else
2392                 err = snd_intel8x0_ich_chip_reset(chip);
2393         if (err < 0)
2394                 return err;
2395
2396         if (probing) {
2397                 /* wait for any codec ready status.
2398                  * Once it becomes ready it should remain ready
2399                  * as long as we do not disable the ac97 link.
2400                  */
2401                 end_time = jiffies + HZ;
2402                 do {
2403                         status = igetdword(chip, ICHREG(GLOB_STA)) &
2404                                 chip->codec_isr_bits;
2405                         if (status)
2406                                 break;
2407                         schedule_timeout_uninterruptible(1);
2408                 } while (time_after_eq(end_time, jiffies));
2409                 if (! status) {
2410                         /* no codec is found */
2411                         dev_err(chip->card->dev,
2412                                 "codec_ready: codec is not ready [0x%x]\n",
2413                                    igetdword(chip, ICHREG(GLOB_STA)));
2414                         return -EIO;
2415                 }
2416
2417                 /* wait for other codecs ready status. */
2418                 end_time = jiffies + HZ / 4;
2419                 while (status != chip->codec_isr_bits &&
2420                        time_after_eq(end_time, jiffies)) {
2421                         schedule_timeout_uninterruptible(1);
2422                         status |= igetdword(chip, ICHREG(GLOB_STA)) &
2423                                 chip->codec_isr_bits;
2424                 }
2425
2426         } else {
2427                 /* resume phase */
2428                 int i;
2429                 status = 0;
2430                 for (i = 0; i < chip->ncodecs; i++)
2431                         if (chip->ac97[i])
2432                                 status |= chip->codec_bit[chip->ac97_sdin[i]];
2433                 /* wait until all the probed codecs are ready */
2434                 end_time = jiffies + HZ;
2435                 do {
2436                         nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2437                                 chip->codec_isr_bits;
2438                         if (status == nstatus)
2439                                 break;
2440                         schedule_timeout_uninterruptible(1);
2441                 } while (time_after_eq(end_time, jiffies));
2442         }
2443
2444         if (chip->device_type == DEVICE_SIS) {
2445                 /* unmute the output on SIS7012 */
2446                 iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2447         }
2448         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2449                 /* enable SPDIF interrupt */
2450                 unsigned int val;
2451                 pci_read_config_dword(chip->pci, 0x4c, &val);
2452                 val |= 0x1000000;
2453                 pci_write_config_dword(chip->pci, 0x4c, val);
2454         }
2455         return 0;
2456 }
2457
2458 static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2459 {
2460         u32 reg;
2461         int i = 0;
2462
2463         reg = igetdword(chip, ICHREG(ALI_SCR));
2464         if ((reg & 2) == 0)     /* Cold required */
2465                 reg |= 2;
2466         else
2467                 reg |= 1;       /* Warm */
2468         reg &= ~0x80000000;     /* ACLink on */
2469         iputdword(chip, ICHREG(ALI_SCR), reg);
2470
2471         for (i = 0; i < HZ / 2; i++) {
2472                 if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2473                         goto __ok;
2474                 schedule_timeout_uninterruptible(1);
2475         }
2476         dev_err(chip->card->dev, "AC'97 reset failed.\n");
2477         if (probing)
2478                 return -EIO;
2479
2480  __ok:
2481         for (i = 0; i < HZ / 2; i++) {
2482                 reg = igetdword(chip, ICHREG(ALI_RTSR));
2483                 if (reg & 0x80) /* primary codec */
2484                         break;
2485                 iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2486                 schedule_timeout_uninterruptible(1);
2487         }
2488
2489         do_ali_reset(chip);
2490         return 0;
2491 }
2492
2493 static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2494 {
2495         unsigned int i, timeout;
2496         int err;
2497
2498         if (chip->device_type != DEVICE_ALI) {
2499                 err = snd_intel8x0_ich_chip_init(chip, probing);
2500                 if (err < 0)
2501                         return err;
2502                 iagetword(chip, 0);     /* clear semaphore flag */
2503         } else {
2504                 err = snd_intel8x0_ali_chip_init(chip, probing);
2505                 if (err < 0)
2506                         return err;
2507         }
2508
2509         /* disable interrupts */
2510         for (i = 0; i < chip->bdbars_count; i++)
2511                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2512         /* reset channels */
2513         for (i = 0; i < chip->bdbars_count; i++)
2514                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2515         for (i = 0; i < chip->bdbars_count; i++) {
2516                 timeout = 100000;
2517                 while (--timeout != 0) {
2518                         if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2519                                 break;
2520                 }
2521                 if (timeout == 0)
2522                         dev_err(chip->card->dev, "reset of registers failed?\n");
2523         }
2524         /* initialize Buffer Descriptor Lists */
2525         for (i = 0; i < chip->bdbars_count; i++)
2526                 iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2527                           chip->ichd[i].bdbar_addr);
2528         return 0;
2529 }
2530
2531 static void snd_intel8x0_free(struct snd_card *card)
2532 {
2533         struct intel8x0 *chip = card->private_data;
2534         unsigned int i;
2535
2536         if (chip->irq < 0)
2537                 goto __hw_end;
2538         /* disable interrupts */
2539         for (i = 0; i < chip->bdbars_count; i++)
2540                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2541         /* reset channels */
2542         for (i = 0; i < chip->bdbars_count; i++)
2543                 iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2544         if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2545                 /* stop the spdif interrupt */
2546                 unsigned int val;
2547                 pci_read_config_dword(chip->pci, 0x4c, &val);
2548                 val &= ~0x1000000;
2549                 pci_write_config_dword(chip->pci, 0x4c, val);
2550         }
2551         /* --- */
2552
2553       __hw_end:
2554         if (chip->irq >= 0)
2555                 free_irq(chip->irq, chip);
2556 }
2557
2558 #ifdef CONFIG_PM_SLEEP
2559 /*
2560  * power management
2561  */
2562 static int intel8x0_suspend(struct device *dev)
2563 {
2564         struct snd_card *card = dev_get_drvdata(dev);
2565         struct intel8x0 *chip = card->private_data;
2566         int i;
2567
2568         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2569         for (i = 0; i < chip->ncodecs; i++)
2570                 snd_ac97_suspend(chip->ac97[i]);
2571         if (chip->device_type == DEVICE_INTEL_ICH4)
2572                 chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2573
2574         if (chip->irq >= 0) {
2575                 free_irq(chip->irq, chip);
2576                 chip->irq = -1;
2577                 card->sync_irq = -1;
2578         }
2579         return 0;
2580 }
2581
2582 static int intel8x0_resume(struct device *dev)
2583 {
2584         struct pci_dev *pci = to_pci_dev(dev);
2585         struct snd_card *card = dev_get_drvdata(dev);
2586         struct intel8x0 *chip = card->private_data;
2587         int i;
2588
2589         snd_intel8x0_chip_init(chip, 0);
2590         if (request_irq(pci->irq, snd_intel8x0_interrupt,
2591                         IRQF_SHARED, KBUILD_MODNAME, chip)) {
2592                 dev_err(dev, "unable to grab IRQ %d, disabling device\n",
2593                         pci->irq);
2594                 snd_card_disconnect(card);
2595                 return -EIO;
2596         }
2597         chip->irq = pci->irq;
2598         card->sync_irq = chip->irq;
2599
2600         /* re-initialize mixer stuff */
2601         if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2602                 /* enable separate SDINs for ICH4 */
2603                 iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2604                 /* use slot 10/11 for SPDIF */
2605                 iputdword(chip, ICHREG(GLOB_CNT),
2606                           (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2607                           ICH_PCM_SPDIF_1011);
2608         }
2609
2610         for (i = 0; i < chip->ncodecs; i++)
2611                 snd_ac97_resume(chip->ac97[i]);
2612
2613         /* resume status */
2614         for (i = 0; i < chip->bdbars_count; i++) {
2615                 struct ichdev *ichdev = &chip->ichd[i];
2616                 unsigned long port = ichdev->reg_offset;
2617                 if (! ichdev->substream || ! ichdev->suspended)
2618                         continue;
2619                 if (ichdev->ichd == ICHD_PCMOUT)
2620                         snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2621                 iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2622                 iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2623                 iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2624                 iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2625         }
2626
2627         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2628         return 0;
2629 }
2630
2631 static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
2632 #define INTEL8X0_PM_OPS &intel8x0_pm
2633 #else
2634 #define INTEL8X0_PM_OPS NULL
2635 #endif /* CONFIG_PM_SLEEP */
2636
2637 #define INTEL8X0_TESTBUF_SIZE   32768   /* enough large for one shot */
2638
2639 static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2640 {
2641         struct snd_pcm_substream *subs;
2642         struct ichdev *ichdev;
2643         unsigned long port;
2644         unsigned long pos, pos1, t;
2645         int civ, timeout = 1000, attempt = 1;
2646         ktime_t start_time, stop_time;
2647
2648         if (chip->ac97_bus->clock != 48000)
2649                 return; /* specified in module option */
2650         if (chip->inside_vm && !ac97_clock)
2651                 return; /* no measurement on VM */
2652
2653       __again:
2654         subs = chip->pcm[0]->streams[0].substream;
2655         if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2656                 dev_warn(chip->card->dev,
2657                          "no playback buffer allocated - aborting measure ac97 clock\n");
2658                 return;
2659         }
2660         ichdev = &chip->ichd[ICHD_PCMOUT];
2661         ichdev->physbuf = subs->dma_buffer.addr;
2662         ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2663         ichdev->substream = NULL; /* don't process interrupts */
2664
2665         /* set rate */
2666         if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2667                 dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n",
2668                         chip->ac97_bus->clock);
2669                 return;
2670         }
2671         snd_intel8x0_setup_periods(chip, ichdev);
2672         port = ichdev->reg_offset;
2673         spin_lock_irq(&chip->reg_lock);
2674         chip->in_measurement = 1;
2675         /* trigger */
2676         if (chip->device_type != DEVICE_ALI)
2677                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2678         else {
2679                 iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2680                 iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2681         }
2682         start_time = ktime_get();
2683         spin_unlock_irq(&chip->reg_lock);
2684         msleep(50);
2685         spin_lock_irq(&chip->reg_lock);
2686         /* check the position */
2687         do {
2688                 civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2689                 pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2690                 if (pos1 == 0) {
2691                         udelay(10);
2692                         continue;
2693                 }
2694                 if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2695                     pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2696                         break;
2697         } while (timeout--);
2698         if (pos1 == 0) {        /* oops, this value is not reliable */
2699                 pos = 0;
2700         } else {
2701                 pos = ichdev->fragsize1;
2702                 pos -= pos1 << ichdev->pos_shift;
2703                 pos += ichdev->position;
2704         }
2705         chip->in_measurement = 0;
2706         stop_time = ktime_get();
2707         /* stop */
2708         if (chip->device_type == DEVICE_ALI) {
2709                 iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2710                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2711                 while (igetbyte(chip, port + ICH_REG_OFF_CR))
2712                         ;
2713         } else {
2714                 iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2715                 while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2716                         ;
2717         }
2718         iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2719         spin_unlock_irq(&chip->reg_lock);
2720
2721         if (pos == 0) {
2722                 dev_err(chip->card->dev,
2723                         "measure - unreliable DMA position..\n");
2724               __retry:
2725                 if (attempt < 3) {
2726                         msleep(300);
2727                         attempt++;
2728                         goto __again;
2729                 }
2730                 goto __end;
2731         }
2732
2733         pos /= 4;
2734         t = ktime_us_delta(stop_time, start_time);
2735         dev_info(chip->card->dev,
2736                  "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2737         if (t == 0) {
2738                 dev_err(chip->card->dev, "?? calculation error..\n");
2739                 goto __retry;
2740         }
2741         pos *= 1000;
2742         pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2743         if (pos < 40000 || pos >= 60000) {
2744                 /* abnormal value. hw problem? */
2745                 dev_info(chip->card->dev, "measured clock %ld rejected\n", pos);
2746                 goto __retry;
2747         } else if (pos > 40500 && pos < 41500)
2748                 /* first exception - 41000Hz reference clock */
2749                 chip->ac97_bus->clock = 41000;
2750         else if (pos > 43600 && pos < 44600)
2751                 /* second exception - 44100HZ reference clock */
2752                 chip->ac97_bus->clock = 44100;
2753         else if (pos < 47500 || pos > 48500)
2754                 /* not 48000Hz, tuning the clock.. */
2755                 chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2756       __end:
2757         dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock);
2758         snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2759 }
2760
2761 static const struct snd_pci_quirk intel8x0_clock_list[] = {
2762         SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2763         SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
2764         SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2765         SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2766         SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2767         SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2768         { }     /* terminator */
2769 };
2770
2771 static int intel8x0_in_clock_list(struct intel8x0 *chip)
2772 {
2773         struct pci_dev *pci = chip->pci;
2774         const struct snd_pci_quirk *wl;
2775
2776         wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2777         if (!wl)
2778                 return 0;
2779         dev_info(chip->card->dev, "allow list rate for %04x:%04x is %i\n",
2780                pci->subsystem_vendor, pci->subsystem_device, wl->value);
2781         chip->ac97_bus->clock = wl->value;
2782         return 1;
2783 }
2784
2785 static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2786                                    struct snd_info_buffer *buffer)
2787 {
2788         struct intel8x0 *chip = entry->private_data;
2789         unsigned int tmp;
2790
2791         snd_iprintf(buffer, "Intel8x0\n\n");
2792         if (chip->device_type == DEVICE_ALI)
2793                 return;
2794         tmp = igetdword(chip, ICHREG(GLOB_STA));
2795         snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2796         snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2797         if (chip->device_type == DEVICE_INTEL_ICH4)
2798                 snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2799         snd_iprintf(buffer, "AC'97 codecs ready    :");
2800         if (tmp & chip->codec_isr_bits) {
2801                 int i;
2802                 static const char *codecs[3] = {
2803                         "primary", "secondary", "tertiary"
2804                 };
2805                 for (i = 0; i < chip->max_codecs; i++)
2806                         if (tmp & chip->codec_bit[i])
2807                                 snd_iprintf(buffer, " %s", codecs[i]);
2808         } else
2809                 snd_iprintf(buffer, " none");
2810         snd_iprintf(buffer, "\n");
2811         if (chip->device_type == DEVICE_INTEL_ICH4 ||
2812             chip->device_type == DEVICE_SIS)
2813                 snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2814                         chip->ac97_sdin[0],
2815                         chip->ac97_sdin[1],
2816                         chip->ac97_sdin[2]);
2817 }
2818
2819 static void snd_intel8x0_proc_init(struct intel8x0 *chip)
2820 {
2821         snd_card_ro_proc_new(chip->card, "intel8x0", chip,
2822                              snd_intel8x0_proc_read);
2823 }
2824
2825 struct ich_reg_info {
2826         unsigned int int_sta_mask;
2827         unsigned int offset;
2828 };
2829
2830 static const unsigned int ich_codec_bits[3] = {
2831         ICH_PCR, ICH_SCR, ICH_TCR
2832 };
2833 static const unsigned int sis_codec_bits[3] = {
2834         ICH_PCR, ICH_SCR, ICH_SIS_TCR
2835 };
2836
2837 static int snd_intel8x0_inside_vm(struct pci_dev *pci)
2838 {
2839         int result  = inside_vm;
2840         char *msg   = NULL;
2841
2842         /* check module parameter first (override detection) */
2843         if (result >= 0) {
2844                 msg = result ? "enable (forced) VM" : "disable (forced) VM";
2845                 goto fini;
2846         }
2847
2848         /* check for known (emulated) devices */
2849         result = 0;
2850         if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
2851             pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
2852                 /* KVM emulated sound, PCI SSID: 1af4:1100 */
2853                 msg = "enable KVM";
2854                 result = 1;
2855         } else if (pci->subsystem_vendor == 0x1ab8) {
2856                 /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2857                 msg = "enable Parallels VM";
2858                 result = 1;
2859         }
2860
2861 fini:
2862         if (msg != NULL)
2863                 dev_info(&pci->dev, "%s optimization\n", msg);
2864
2865         return result;
2866 }
2867
2868 static int snd_intel8x0_init(struct snd_card *card,
2869                              struct pci_dev *pci,
2870                              unsigned long device_type)
2871 {
2872         struct intel8x0 *chip = card->private_data;
2873         int err;
2874         unsigned int i;
2875         unsigned int int_sta_masks;
2876         struct ichdev *ichdev;
2877
2878         static const unsigned int bdbars[] = {
2879                 3, /* DEVICE_INTEL */
2880                 6, /* DEVICE_INTEL_ICH4 */
2881                 3, /* DEVICE_SIS */
2882                 6, /* DEVICE_ALI */
2883                 4, /* DEVICE_NFORCE */
2884         };
2885         static const struct ich_reg_info intel_regs[6] = {
2886                 { ICH_PIINT, 0 },
2887                 { ICH_POINT, 0x10 },
2888                 { ICH_MCINT, 0x20 },
2889                 { ICH_M2INT, 0x40 },
2890                 { ICH_P2INT, 0x50 },
2891                 { ICH_SPINT, 0x60 },
2892         };
2893         static const struct ich_reg_info nforce_regs[4] = {
2894                 { ICH_PIINT, 0 },
2895                 { ICH_POINT, 0x10 },
2896                 { ICH_MCINT, 0x20 },
2897                 { ICH_NVSPINT, 0x70 },
2898         };
2899         static const struct ich_reg_info ali_regs[6] = {
2900                 { ALI_INT_PCMIN, 0x40 },
2901                 { ALI_INT_PCMOUT, 0x50 },
2902                 { ALI_INT_MICIN, 0x60 },
2903                 { ALI_INT_CODECSPDIFOUT, 0x70 },
2904                 { ALI_INT_SPDIFIN, 0xa0 },
2905                 { ALI_INT_SPDIFOUT, 0xb0 },
2906         };
2907         const struct ich_reg_info *tbl;
2908
2909         err = pcim_enable_device(pci);
2910         if (err < 0)
2911                 return err;
2912
2913         spin_lock_init(&chip->reg_lock);
2914         chip->device_type = device_type;
2915         chip->card = card;
2916         chip->pci = pci;
2917         chip->irq = -1;
2918
2919         /* module parameters */
2920         chip->buggy_irq = buggy_irq;
2921         chip->buggy_semaphore = buggy_semaphore;
2922         if (xbox)
2923                 chip->xbox = 1;
2924
2925         chip->inside_vm = snd_intel8x0_inside_vm(pci);
2926
2927         /*
2928          * Intel 82443MX running a 100MHz processor system bus has a hardware
2929          * bug, which aborts PCI busmaster for audio transfer.  A workaround
2930          * is to set the pages as non-cached.  For details, see the errata in
2931          *     http://download.intel.com/design/chipsets/specupdt/24505108.pdf
2932          */
2933         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2934             pci->device == PCI_DEVICE_ID_INTEL_440MX)
2935                 chip->fix_nocache = 1; /* enable workaround */
2936
2937         err = pci_request_regions(pci, card->shortname);
2938         if (err < 0)
2939                 return err;
2940
2941         if (device_type == DEVICE_ALI) {
2942                 /* ALI5455 has no ac97 region */
2943                 chip->bmaddr = pcim_iomap(pci, 0, 0);
2944         } else {
2945                 if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
2946                         chip->addr = pcim_iomap(pci, 2, 0);
2947                 else
2948                         chip->addr = pcim_iomap(pci, 0, 0);
2949                 if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
2950                         chip->bmaddr = pcim_iomap(pci, 3, 0);
2951                 else
2952                         chip->bmaddr = pcim_iomap(pci, 1, 0);
2953         }
2954
2955         chip->bdbars_count = bdbars[device_type];
2956
2957         /* initialize offsets */
2958         switch (device_type) {
2959         case DEVICE_NFORCE:
2960                 tbl = nforce_regs;
2961                 break;
2962         case DEVICE_ALI:
2963                 tbl = ali_regs;
2964                 break;
2965         default:
2966                 tbl = intel_regs;
2967                 break;
2968         }
2969         for (i = 0; i < chip->bdbars_count; i++) {
2970                 ichdev = &chip->ichd[i];
2971                 ichdev->ichd = i;
2972                 ichdev->reg_offset = tbl[i].offset;
2973                 ichdev->int_sta_mask = tbl[i].int_sta_mask;
2974                 if (device_type == DEVICE_SIS) {
2975                         /* SiS 7012 swaps the registers */
2976                         ichdev->roff_sr = ICH_REG_OFF_PICB;
2977                         ichdev->roff_picb = ICH_REG_OFF_SR;
2978                 } else {
2979                         ichdev->roff_sr = ICH_REG_OFF_SR;
2980                         ichdev->roff_picb = ICH_REG_OFF_PICB;
2981                 }
2982                 if (device_type == DEVICE_ALI)
2983                         ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
2984                 /* SIS7012 handles the pcm data in bytes, others are in samples */
2985                 ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
2986         }
2987
2988         /* allocate buffer descriptor lists */
2989         /* the start of each lists must be aligned to 8 bytes */
2990         chip->bdbars = snd_devm_alloc_pages(&pci->dev, intel8x0_dma_type(chip),
2991                                             chip->bdbars_count * sizeof(u32) *
2992                                             ICH_MAX_FRAGS * 2);
2993         if (!chip->bdbars)
2994                 return -ENOMEM;
2995
2996         /* tables must be aligned to 8 bytes here, but the kernel pages
2997            are much bigger, so we don't care (on i386) */
2998         int_sta_masks = 0;
2999         for (i = 0; i < chip->bdbars_count; i++) {
3000                 ichdev = &chip->ichd[i];
3001                 ichdev->bdbar = ((__le32 *)chip->bdbars->area) +
3002                         (i * ICH_MAX_FRAGS * 2);
3003                 ichdev->bdbar_addr = chip->bdbars->addr +
3004                         (i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3005                 int_sta_masks |= ichdev->int_sta_mask;
3006         }
3007         chip->int_sta_reg = device_type == DEVICE_ALI ?
3008                 ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3009         chip->int_sta_mask = int_sta_masks;
3010
3011         pci_set_master(pci);
3012
3013         switch(chip->device_type) {
3014         case DEVICE_INTEL_ICH4:
3015                 /* ICH4 can have three codecs */
3016                 chip->max_codecs = 3;
3017                 chip->codec_bit = ich_codec_bits;
3018                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3019                 break;
3020         case DEVICE_SIS:
3021                 /* recent SIS7012 can have three codecs */
3022                 chip->max_codecs = 3;
3023                 chip->codec_bit = sis_codec_bits;
3024                 chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3025                 break;
3026         default:
3027                 /* others up to two codecs */
3028                 chip->max_codecs = 2;
3029                 chip->codec_bit = ich_codec_bits;
3030                 chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3031                 break;
3032         }
3033         for (i = 0; i < chip->max_codecs; i++)
3034                 chip->codec_isr_bits |= chip->codec_bit[i];
3035
3036         err = snd_intel8x0_chip_init(chip, 1);
3037         if (err < 0)
3038                 return err;
3039
3040         /* request irq after initializaing int_sta_mask, etc */
3041         /* NOTE: we don't use devm version here since it's released /
3042          * re-acquired in PM callbacks.
3043          * It's released explicitly in snd_intel8x0_free(), too.
3044          */
3045         if (request_irq(pci->irq, snd_intel8x0_interrupt,
3046                         IRQF_SHARED, KBUILD_MODNAME, chip)) {
3047                 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
3048                 return -EBUSY;
3049         }
3050         chip->irq = pci->irq;
3051         card->sync_irq = chip->irq;
3052
3053         card->private_free = snd_intel8x0_free;
3054
3055         return 0;
3056 }
3057
3058 static struct shortname_table {
3059         unsigned int id;
3060         const char *s;
3061 } shortnames[] = {
3062         { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3063         { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3064         { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3065         { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3066         { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3067         { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3068         { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3069         { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3070         { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3071         { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3072         { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3073         { PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3074         { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3075         { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3076         { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3077         { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3078         { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3079         { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3080         { 0x003a, "NVidia MCP04" },
3081         { 0x746d, "AMD AMD8111" },
3082         { 0x7445, "AMD AMD768" },
3083         { 0x5455, "ALi M5455" },
3084         { 0, NULL },
3085 };
3086
3087 static const struct snd_pci_quirk spdif_aclink_defaults[] = {
3088         SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3089         { } /* end */
3090 };
3091
3092 /* look up allow/deny list for SPDIF over ac-link */
3093 static int check_default_spdif_aclink(struct pci_dev *pci)
3094 {
3095         const struct snd_pci_quirk *w;
3096
3097         w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3098         if (w) {
3099                 if (w->value)
3100                         dev_dbg(&pci->dev,
3101                                 "Using SPDIF over AC-Link for %s\n",
3102                                     snd_pci_quirk_name(w));
3103                 else
3104                         dev_dbg(&pci->dev,
3105                                 "Using integrated SPDIF DMA for %s\n",
3106                                     snd_pci_quirk_name(w));
3107                 return w->value;
3108         }
3109         return 0;
3110 }
3111
3112 static int __snd_intel8x0_probe(struct pci_dev *pci,
3113                                 const struct pci_device_id *pci_id)
3114 {
3115         struct snd_card *card;
3116         struct intel8x0 *chip;
3117         int err;
3118         struct shortname_table *name;
3119
3120         err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE,
3121                                 sizeof(*chip), &card);
3122         if (err < 0)
3123                 return err;
3124         chip = card->private_data;
3125
3126         if (spdif_aclink < 0)
3127                 spdif_aclink = check_default_spdif_aclink(pci);
3128
3129         strcpy(card->driver, "ICH");
3130         if (!spdif_aclink) {
3131                 switch (pci_id->driver_data) {
3132                 case DEVICE_NFORCE:
3133                         strcpy(card->driver, "NFORCE");
3134                         break;
3135                 case DEVICE_INTEL_ICH4:
3136                         strcpy(card->driver, "ICH4");
3137                 }
3138         }
3139
3140         strcpy(card->shortname, "Intel ICH");
3141         for (name = shortnames; name->id; name++) {
3142                 if (pci->device == name->id) {
3143                         strcpy(card->shortname, name->s);
3144                         break;
3145                 }
3146         }
3147
3148         if (buggy_irq < 0) {
3149                 /* some Nforce[2] and ICH boards have problems with IRQ handling.
3150                  * Needs to return IRQ_HANDLED for unknown irqs.
3151                  */
3152                 if (pci_id->driver_data == DEVICE_NFORCE)
3153                         buggy_irq = 1;
3154                 else
3155                         buggy_irq = 0;
3156         }
3157
3158         err = snd_intel8x0_init(card, pci, pci_id->driver_data);
3159         if (err < 0)
3160                 return err;
3161
3162         err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk);
3163         if (err < 0)
3164                 return err;
3165         err = snd_intel8x0_pcm(chip);
3166         if (err < 0)
3167                 return err;
3168
3169         snd_intel8x0_proc_init(chip);
3170
3171         snprintf(card->longname, sizeof(card->longname),
3172                  "%s with %s at irq %i", card->shortname,
3173                  snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3174
3175         if (ac97_clock == 0 || ac97_clock == 1) {
3176                 if (ac97_clock == 0) {
3177                         if (intel8x0_in_clock_list(chip) == 0)
3178                                 intel8x0_measure_ac97_clock(chip);
3179                 } else {
3180                         intel8x0_measure_ac97_clock(chip);
3181                 }
3182         }
3183
3184         err = snd_card_register(card);
3185         if (err < 0)
3186                 return err;
3187
3188         pci_set_drvdata(pci, card);
3189         return 0;
3190 }
3191
3192 static int snd_intel8x0_probe(struct pci_dev *pci,
3193                               const struct pci_device_id *pci_id)
3194 {
3195         return snd_card_free_on_error(&pci->dev, __snd_intel8x0_probe(pci, pci_id));
3196 }
3197
3198 static struct pci_driver intel8x0_driver = {
3199         .name = KBUILD_MODNAME,
3200         .id_table = snd_intel8x0_ids,
3201         .probe = snd_intel8x0_probe,
3202         .driver = {
3203                 .pm = INTEL8X0_PM_OPS,
3204         },
3205 };
3206
3207 module_pci_driver(intel8x0_driver);