sound/pci/ac97/ac97_codec.c

   1 /*
   2  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   3  *  Universal interface for Audio Codec '97
   4  *
   5  *  For more details look to AC '97 component specification revision 2.2
   6  *  by Intel Corporation (http://developer.intel.com).
   7  *
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  *
  23  */
  24
  25 #include <sound/driver.h>
  26 #include <linux/delay.h>
  27 #include <linux/init.h>
  28 #include <linux/slab.h>
  29 #include <linux/pci.h>
  30 #include <linux/moduleparam.h>
  31 #include <sound/core.h>
  32 #include <sound/pcm.h>
  33 #include <sound/ac97_codec.h>
  34 #include <sound/asoundef.h>
  35 #include <sound/initval.h>
  36 #include "ac97_local.h"
  37 #include "ac97_id.h"
  38 #include "ac97_patch.h"
  39
  40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  41 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
  42 MODULE_LICENSE("GPL");
  43
  44 static int enable_loopback;
  45
  46 module_param(enable_loopback, bool, 0444);
  47 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
  48
  49 /*
  50
  51  */
  52
  53 typedef struct {
  54         unsigned int id;
  55         unsigned int mask;
  56         const char *name;
  57         int (*patch)(ac97_t *ac97);
  58         int (*mpatch)(ac97_t *ac97);
  59 } ac97_codec_id_t;
  60
  61 static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
  62 { 0x414b4d00, 0xffffff00, "Asahi Kasei",        NULL,   NULL },
  63 { 0x41445300, 0xffffff00, "Analog Devices",     NULL,   NULL },
  64 { 0x414c4300, 0xffffff00, "Realtek",            NULL,   NULL },
  65 { 0x414c4700, 0xffffff00, "Realtek",            NULL,   NULL },
  66 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL,  NULL },
  67 { 0x43525900, 0xffffff00, "Cirrus Logic",       NULL,   NULL },
  68 { 0x43585400, 0xffffff00, "Conexant",           NULL,   NULL },
  69 { 0x44543000, 0xffffff00, "Diamond Technology", NULL,   NULL },
  70 { 0x454d4300, 0xffffff00, "eMicro",             NULL,   NULL },
  71 { 0x45838300, 0xffffff00, "ESS Technology",     NULL,   NULL },
  72 { 0x48525300, 0xffffff00, "Intersil",           NULL,   NULL },
  73 { 0x49434500, 0xffffff00, "ICEnsemble",         NULL,   NULL },
  74 { 0x49544500, 0xffffff00, "ITE Tech.Inc",       NULL,   NULL },
  75 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
  76 { 0x50534300, 0xffffff00, "Philips",            NULL,   NULL },
  77 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL,   NULL },
  78 { 0x54524100, 0xffffff00, "TriTech",            NULL,   NULL },
  79 { 0x54584e00, 0xffffff00, "Texas Instruments",  NULL,   NULL },
  80 { 0x56494100, 0xffffff00, "VIA Technologies",   NULL,   NULL },
  81 { 0x57454300, 0xffffff00, "Winbond",            NULL,   NULL },
  82 { 0x574d4c00, 0xffffff00, "Wolfson",            NULL,   NULL },
  83 { 0x594d4800, 0xffffff00, "Yamaha",             NULL,   NULL },
  84 { 0x83847600, 0xffffff00, "SigmaTel",           NULL,   NULL },
  85 { 0,          0,          NULL,                 NULL,   NULL }
  86 };
  87
  88 static const ac97_codec_id_t snd_ac97_codec_ids[] = {
  89 { 0x414b4d00, 0xffffffff, "AK4540",             NULL,           NULL },
  90 { 0x414b4d01, 0xffffffff, "AK4542",             NULL,           NULL },
  91 { 0x414b4d02, 0xffffffff, "AK4543",             NULL,           NULL },
  92 { 0x414b4d06, 0xffffffff, "AK4544A",            NULL,           NULL },
  93 { 0x414b4d07, 0xffffffff, "AK4545",             NULL,           NULL },
  94 { 0x41445303, 0xffffffff, "AD1819",             patch_ad1819,   NULL },
  95 { 0x41445340, 0xffffffff, "AD1881",             patch_ad1881,   NULL },
  96 { 0x41445348, 0xffffffff, "AD1881A",            patch_ad1881,   NULL },
  97 { 0x41445360, 0xffffffff, "AD1885",             patch_ad1885,   NULL },
  98 { 0x41445361, 0xffffffff, "AD1886",             patch_ad1886,   NULL },
  99 { 0x41445362, 0xffffffff, "AD1887",             patch_ad1881,   NULL },
 100 { 0x41445363, 0xffffffff, "AD1886A",            patch_ad1881,   NULL },
 101 { 0x41445368, 0xffffffff, "AD1888",             patch_ad1888,   NULL },
 102 { 0x41445370, 0xffffffff, "AD1980",             patch_ad1980,   NULL },
 103 { 0x41445372, 0xffffffff, "AD1981A",            patch_ad1981a,  NULL },
 104 { 0x41445374, 0xffffffff, "AD1981B",            patch_ad1981b,  NULL },
 105 { 0x41445375, 0xffffffff, "AD1985",             patch_ad1985,   NULL },
 106 { 0x414c4300, 0xffffff00, "ALC100/100P",        NULL,           NULL },
 107 { 0x414c4710, 0xfffffff0, "ALC200/200P",        NULL,           NULL },
 108 { 0x414c4721, 0xffffffff, "ALC650D",            NULL,   NULL }, /* already patched */
 109 { 0x414c4722, 0xffffffff, "ALC650E",            NULL,   NULL }, /* already patched */
 110 { 0x414c4723, 0xffffffff, "ALC650F",            NULL,   NULL }, /* already patched */
 111 { 0x414c4720, 0xfffffff0, "ALC650",             patch_alc650,   NULL },
 112 { 0x414c4760, 0xfffffff0, "ALC655",             patch_alc655,   NULL },
 113 { 0x414c4780, 0xfffffff0, "ALC658",             patch_alc655,   NULL },
 114 { 0x414c4790, 0xfffffff0, "ALC850",             patch_alc850,   NULL },
 115 { 0x414c4730, 0xffffffff, "ALC101",             NULL,           NULL },
 116 { 0x414c4740, 0xfffffff0, "ALC202",             NULL,           NULL },
 117 { 0x414c4750, 0xfffffff0, "ALC250",             NULL,           NULL },
 118 { 0x414c4770, 0xfffffff0, "ALC203",             NULL,           NULL },
 119 { 0x434d4941, 0xffffffff, "CMI9738",            patch_cm9738,   NULL },
 120 { 0x434d4961, 0xffffffff, "CMI9739",            patch_cm9739,   NULL },
 121 { 0x43525900, 0xfffffff8, "CS4297",             NULL,           NULL },
 122 { 0x43525910, 0xfffffff8, "CS4297A",            patch_cirrus_spdif,     NULL },
 123 { 0x43525920, 0xfffffff8, "CS4294/4298",        NULL,           NULL },
 124 { 0x43525928, 0xfffffff8, "CS4294",             NULL,           NULL },
 125 { 0x43525930, 0xfffffff8, "CS4299",             patch_cirrus_cs4299,    NULL },
 126 { 0x43525948, 0xfffffff8, "CS4201",             NULL,           NULL },
 127 { 0x43525958, 0xfffffff8, "CS4205",             patch_cirrus_spdif,     NULL },
 128 { 0x43525960, 0xfffffff8, "CS4291",             NULL,           NULL },
 129 { 0x43525970, 0xfffffff8, "CS4202",             NULL,           NULL },
 130 { 0x43585421, 0xffffffff, "HSD11246",           NULL,           NULL }, // SmartMC II
 131 { 0x43585428, 0xfffffff8, "Cx20468",            patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
 132 { 0x44543031, 0xfffffff0, "DT0398",             NULL,           NULL },
 133 { 0x454d4328, 0xffffffff, "28028",              NULL,           NULL },  // same as TR28028?
 134 { 0x45838308, 0xffffffff, "ESS1988",            NULL,           NULL },
 135 { 0x48525300, 0xffffff00, "HMP9701",            NULL,           NULL },
 136 { 0x49434501, 0xffffffff, "ICE1230",            NULL,           NULL },
 137 { 0x49434511, 0xffffffff, "ICE1232",            NULL,           NULL }, // alias VIA VT1611A?
 138 { 0x49434514, 0xffffffff, "ICE1232A",           NULL,           NULL },
 139 { 0x49434551, 0xffffffff, "VT1616",             patch_vt1616,   NULL },
 140 { 0x49434552, 0xffffffff, "VT1616i",            patch_vt1616,   NULL }, // VT1616 compatible (chipset integrated)
 141 { 0x49544520, 0xffffffff, "IT2226E",            NULL,           NULL },
 142 { 0x49544561, 0xffffffff, "IT2646E",            patch_it2646,   NULL },
 143 { 0x4e534300, 0xffffffff, "LM4540/43/45/46/48", NULL,           NULL }, // only guess --jk
 144 { 0x4e534331, 0xffffffff, "LM4549",             NULL,           NULL },
 145 { 0x4e534350, 0xffffffff, "LM4550",             NULL,           NULL },
 146 { 0x50534304, 0xffffffff, "UCB1400",            NULL,           NULL },
 147 { 0x53494c20, 0xffffffe0, "Si3036/8",           NULL,           mpatch_si3036 },
 148 { 0x54524102, 0xffffffff, "TR28022",            NULL,           NULL },
 149 { 0x54524106, 0xffffffff, "TR28026",            NULL,           NULL },
 150 { 0x54524108, 0xffffffff, "TR28028",            patch_tritech_tr28028,  NULL }, // added by xin jin [07/09/99]
 151 { 0x54524123, 0xffffffff, "TR28602",            NULL,           NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
 152 { 0x54584e20, 0xffffffff, "TLC320AD9xC",        NULL,           NULL },
 153 { 0x56494161, 0xffffffff, "VIA1612A",           NULL,           NULL }, // modified ICE1232 with S/PDIF
 154 { 0x57454301, 0xffffffff, "W83971D",            NULL,           NULL },
 155 { 0x574d4c00, 0xffffffff, "WM9701A",            NULL,           NULL },
 156 { 0x574d4C03, 0xffffffff, "WM9703/WM9707/WM9708/WM9717", patch_wolfson03, NULL},
 157 { 0x574d4C04, 0xffffffff, "WM9704M/WM9704Q",    patch_wolfson04, NULL},
 158 { 0x574d4C05, 0xffffffff, "WM9705/WM9710",      patch_wolfson05, NULL},
 159 { 0x574d4C09, 0xffffffff, "WM9709",             NULL,           NULL},
 160 { 0x574d4C12, 0xffffffff, "WM9711/WM9712",      patch_wolfson11, NULL},
 161 { 0x594d4800, 0xffffffff, "YMF743",             NULL,           NULL },
 162 { 0x594d4802, 0xffffffff, "YMF752",             NULL,           NULL },
 163 { 0x594d4803, 0xffffffff, "YMF753",             patch_yamaha_ymf753,    NULL },
 164 { 0x83847600, 0xffffffff, "STAC9700/83/84",     patch_sigmatel_stac9700,        NULL },
 165 { 0x83847604, 0xffffffff, "STAC9701/3/4/5",     NULL,           NULL },
 166 { 0x83847605, 0xffffffff, "STAC9704",           NULL,           NULL },
 167 { 0x83847608, 0xffffffff, "STAC9708/11",        patch_sigmatel_stac9708,        NULL },
 168 { 0x83847609, 0xffffffff, "STAC9721/23",        patch_sigmatel_stac9721,        NULL },
 169 { 0x83847644, 0xffffffff, "STAC9744",           patch_sigmatel_stac9744,        NULL },
 170 { 0x83847650, 0xffffffff, "STAC9750/51",        NULL,           NULL }, // patch?
 171 { 0x83847652, 0xffffffff, "STAC9752/53",        NULL,           NULL }, // patch?
 172 { 0x83847656, 0xffffffff, "STAC9756/57",        patch_sigmatel_stac9756,        NULL },
 173 { 0x83847658, 0xffffffff, "STAC9758/59",        patch_sigmatel_stac9758,        NULL },
 174 { 0x83847666, 0xffffffff, "STAC9766/67",        NULL,           NULL }, // patch?
 175 { 0,          0,          NULL,                 NULL,           NULL }
 176 };
 177
 178 const char *snd_ac97_stereo_enhancements[] =
 179 {
 180   /*   0 */ "No 3D Stereo Enhancement",
 181   /*   1 */ "Analog Devices Phat Stereo",
 182   /*   2 */ "Creative Stereo Enhancement",
 183   /*   3 */ "National Semi 3D Stereo Enhancement",
 184   /*   4 */ "YAMAHA Ymersion",
 185   /*   5 */ "BBE 3D Stereo Enhancement",
 186   /*   6 */ "Crystal Semi 3D Stereo Enhancement",
 187   /*   7 */ "Qsound QXpander",
 188   /*   8 */ "Spatializer 3D Stereo Enhancement",
 189   /*   9 */ "SRS 3D Stereo Enhancement",
 190   /*  10 */ "Platform Tech 3D Stereo Enhancement",
 191   /*  11 */ "AKM 3D Audio",
 192   /*  12 */ "Aureal Stereo Enhancement",
 193   /*  13 */ "Aztech 3D Enhancement",
 194   /*  14 */ "Binaura 3D Audio Enhancement",
 195   /*  15 */ "ESS Technology Stereo Enhancement",
 196   /*  16 */ "Harman International VMAx",
 197   /*  17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
 198   /*  18 */ "Philips Incredible Sound",
 199   /*  19 */ "Texas Instruments 3D Stereo Enhancement",
 200   /*  20 */ "VLSI Technology 3D Stereo Enhancement",
 201   /*  21 */ "TriTech 3D Stereo Enhancement",
 202   /*  22 */ "Realtek 3D Stereo Enhancement",
 203   /*  23 */ "Samsung 3D Stereo Enhancement",
 204   /*  24 */ "Wolfson Microelectronics 3D Enhancement",
 205   /*  25 */ "Delta Integration 3D Enhancement",
 206   /*  26 */ "SigmaTel 3D Enhancement",
 207   /*  27 */ "IC Ensemble/KS Waves",
 208   /*  28 */ "Rockwell 3D Stereo Enhancement",
 209   /*  29 */ "Reserved 29",
 210   /*  30 */ "Reserved 30",
 211   /*  31 */ "Reserved 31"
 212 };
 213
 214 /*
 215  * Shared AC97 controllers (ICH, ATIIXP...)
 216  */
 217 static DECLARE_MUTEX(shared_codec_mutex);
 218 static ac97_t *shared_codec[AC97_SHARED_TYPES][4];
 219
 220
 221 /*
 222  *  I/O routines
 223  */
 224
 225 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
 226 {
 227         if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
 228                 return 0;
 229
 230         /* filter some registers for buggy codecs */
 231         switch (ac97->id) {
 232         case AC97_ID_AK4540:
 233         case AC97_ID_AK4542:
 234                 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
 235                         return 1;
 236                 return 0;
 237         case AC97_ID_AD1819:    /* AD1819 */
 238         case AC97_ID_AD1881:    /* AD1881 */
 239         case AC97_ID_AD1881A:   /* AD1881A */
 240                 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
 241                         return 0;
 242                 return 1;
 243         case AC97_ID_AD1885:    /* AD1885 */
 244         case AC97_ID_AD1886:    /* AD1886 */
 245         case AC97_ID_AD1886A:   /* AD1886A - !!verify!! --jk */
 246         case AC97_ID_AD1887:    /* AD1887 - !!verify!! --jk */
 247                 if (reg == 0x5a)
 248                         return 1;
 249                 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
 250                         return 0;
 251                 return 1;
 252         case AC97_ID_STAC9700:
 253         case AC97_ID_STAC9704:
 254         case AC97_ID_STAC9705:
 255         case AC97_ID_STAC9708:
 256         case AC97_ID_STAC9721:
 257         case AC97_ID_STAC9744:
 258         case AC97_ID_STAC9756:
 259                 if (reg <= 0x3a || reg >= 0x5a)
 260                         return 1;
 261                 return 0;
 262         }
 263         return 1;
 264 }
 265
 266 /**
 267  * snd_ac97_write - write a value on the given register
 268  * @ac97: the ac97 instance
 269  * @reg: the register to change
 270  * @value: the value to set
 271  *
 272  * Writes a value on the given register.  This will invoke the write
 273  * callback directly after the register check.
 274  * This function doesn't change the register cache unlike
 275  * #snd_ca97_write_cache(), so use this only when you don't want to
 276  * reflect the change to the suspend/resume state.
 277  */
 278 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
 279 {
 280         if (!snd_ac97_valid_reg(ac97, reg))
 281                 return;
 282         if ((ac97->id & 0xffffff00) == AC97_ID_ALC100) {
 283                 /* Fix H/W bug of ALC100/100P */
 284                 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
 285                         ac97->bus->ops->write(ac97, AC97_RESET, 0);     /* reset audio codec */
 286         }
 287         ac97->bus->ops->write(ac97, reg, value);
 288 }
 289
 290 /**
 291  * snd_ac97_read - read a value from the given register
 292  *
 293  * @ac97: the ac97 instance
 294  * @reg: the register to read
 295  *
 296  * Reads a value from the given register.  This will invoke the read
 297  * callback directly after the register check.
 298  *
 299  * Returns the read value.
 300  */
 301 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
 302 {
 303         if (!snd_ac97_valid_reg(ac97, reg))
 304                 return 0;
 305         return ac97->bus->ops->read(ac97, reg);
 306 }
 307
 308 /* read a register - return the cached value if already read */
 309 static inline unsigned short snd_ac97_read_cache(ac97_t *ac97, unsigned short reg)
 310 {
 311         if (! test_bit(reg, ac97->reg_accessed)) {
 312                 ac97->regs[reg] = ac97->bus->ops->read(ac97, reg);
 313                 // set_bit(reg, ac97->reg_accessed);
 314         }
 315         return ac97->regs[reg];
 316 }
 317
 318 /**
 319  * snd_ac97_write_cache - write a value on the given register and update the cache
 320  * @ac97: the ac97 instance
 321  * @reg: the register to change
 322  * @value: the value to set
 323  *
 324  * Writes a value on the given register and updates the register
 325  * cache.  The cached values are used for the cached-read and the
 326  * suspend/resume.
 327  */
 328 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
 329 {
 330         if (!snd_ac97_valid_reg(ac97, reg))
 331                 return;
 332         spin_lock(&ac97->reg_lock);
 333         ac97->regs[reg] = value;
 334         spin_unlock(&ac97->reg_lock);
 335         ac97->bus->ops->write(ac97, reg, value);
 336         set_bit(reg, ac97->reg_accessed);
 337 }
 338
 339 /**
 340  * snd_ac97_update - update the value on the given register
 341  * @ac97: the ac97 instance
 342  * @reg: the register to change
 343  * @value: the value to set
 344  *
 345  * Compares the value with the register cache and updates the value
 346  * only when the value is changed.
 347  *
 348  * Returns 1 if the value is changed, 0 if no change, or a negative
 349  * code on failure.
 350  */
 351 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
 352 {
 353         int change;
 354
 355         if (!snd_ac97_valid_reg(ac97, reg))
 356                 return -EINVAL;
 357         spin_lock(&ac97->reg_lock);
 358         change = ac97->regs[reg] != value;
 359         if (change) {
 360                 ac97->regs[reg] = value;
 361                 spin_unlock(&ac97->reg_lock);
 362                 ac97->bus->ops->write(ac97, reg, value);
 363         } else
 364                 spin_unlock(&ac97->reg_lock);
 365         return change;
 366 }
 367
 368 /**
 369  * snd_ac97_update_bits - update the bits on the given register
 370  * @ac97: the ac97 instance
 371  * @reg: the register to change
 372  * @mask: the bit-mask to change
 373  * @value: the value to set
 374  *
 375  * Updates the masked-bits on the given register only when the value
 376  * is changed.
 377  *
 378  * Returns 1 if the bits are changed, 0 if no change, or a negative
 379  * code on failure.
 380  */
 381 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
 382 {
 383         int change;
 384         unsigned short old, new;
 385
 386         if (!snd_ac97_valid_reg(ac97, reg))
 387                 return -EINVAL;
 388         spin_lock(&ac97->reg_lock);
 389         old = snd_ac97_read_cache(ac97, reg);
 390         new = (old & ~mask) | value;
 391         change = old != new;
 392         if (change) {
 393                 ac97->regs[reg] = new;
 394                 spin_unlock(&ac97->reg_lock);
 395                 ac97->bus->ops->write(ac97, reg, new);
 396         } else
 397                 spin_unlock(&ac97->reg_lock);
 398         return change;
 399 }
 400
 401 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
 402 {
 403         int change;
 404         unsigned short old, new, cfg;
 405
 406         down(&ac97->mutex);
 407         spin_lock(&ac97->reg_lock);
 408         old = ac97->spec.ad18xx.pcmreg[codec];
 409         new = (old & ~mask) | value;
 410         cfg = snd_ac97_read_cache(ac97, AC97_AD_SERIAL_CFG);
 411         change = old != new;
 412         if (change) {
 413                 ac97->spec.ad18xx.pcmreg[codec] = new;
 414                 spin_unlock(&ac97->reg_lock);
 415                 /* select single codec */
 416                 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
 417                                  (cfg & ~0x7000) |
 418                                  ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
 419                 /* update PCM bits */
 420                 ac97->bus->ops->write(ac97, AC97_PCM, new);
 421                 /* select all codecs */
 422                 ac97->bus->ops->write(ac97, AC97_AD_SERIAL_CFG,
 423                                  cfg | 0x7000);
 424         } else
 425                 spin_unlock(&ac97->reg_lock);
 426         up(&ac97->mutex);
 427         return change;
 428 }
 429
 430 /*
 431  *
 432  */
 433
 434 static int snd_ac97_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 435 {
 436         static char *texts[8] = {
 437                 "Mic", "CD", "Video", "Aux", "Line",
 438                 "Mix", "Mix Mono", "Phone"
 439         };
 440
 441         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 442         uinfo->count = 2;
 443         uinfo->value.enumerated.items = 8;
 444         if (uinfo->value.enumerated.item > 7)
 445                 uinfo->value.enumerated.item = 7;
 446         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 447         return 0;
 448 }
 449
 450 static int snd_ac97_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 451 {
 452         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 453         unsigned short val;
 454
 455         val = snd_ac97_read_cache(ac97, AC97_REC_SEL);
 456         ucontrol->value.enumerated.item[0] = (val >> 8) & 7;
 457         ucontrol->value.enumerated.item[1] = (val >> 0) & 7;
 458         return 0;
 459 }
 460
 461 static int snd_ac97_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 462 {
 463         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 464         unsigned short val;
 465
 466         if (ucontrol->value.enumerated.item[0] > 7 ||
 467             ucontrol->value.enumerated.item[1] > 7)
 468                 return -EINVAL;
 469         val = (ucontrol->value.enumerated.item[0] << 8) |
 470               (ucontrol->value.enumerated.item[1] << 0);
 471         return snd_ac97_update(ac97, AC97_REC_SEL, val);
 472 }
 473
 474 #define AC97_ENUM_DOUBLE(xname, reg, shift, invert) \
 475 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_enum_double, \
 476   .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
 477   .private_value = reg | (shift << 8) | (invert << 24) }
 478
 479 static int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 480 {
 481         static char *texts1[2] = { "pre 3D", "post 3D" };
 482         static char *texts2[2] = { "Mix", "Mic" };
 483         static char *texts3[2] = { "Mic1", "Mic2" };
 484         char **texts = NULL;
 485         int reg = kcontrol->private_value & 0xff;
 486         int shift = (kcontrol->private_value >> 8) & 0xff;
 487
 488         switch (reg) {
 489         case AC97_GENERAL_PURPOSE:
 490                 switch (shift) {
 491                 case 15: texts = texts1; break;
 492                 case 9: texts = texts2; break;
 493                 case 8: texts = texts3; break;
 494                 }
 495         }
 496         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 497         uinfo->count = 1;
 498         uinfo->value.enumerated.items = 2;
 499         if (uinfo->value.enumerated.item > 1)
 500                 uinfo->value.enumerated.item = 1;
 501         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 502         return 0;
 503 }
 504
 505 static int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 506 {
 507         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 508         unsigned short val;
 509         int reg = kcontrol->private_value & 0xff;
 510         int shift = (kcontrol->private_value >> 8) & 0xff;
 511         int invert = (kcontrol->private_value >> 24) & 0xff;
 512
 513         val = (snd_ac97_read_cache(ac97, reg) >> shift) & 1;
 514         if (invert)
 515                 val ^= 1;
 516         ucontrol->value.enumerated.item[0] = val;
 517         return 0;
 518 }
 519
 520 static int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 521 {
 522         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 523         unsigned short val;
 524         int reg = kcontrol->private_value & 0xff;
 525         int shift = (kcontrol->private_value >> 8) & 0xff;
 526         int invert = (kcontrol->private_value >> 24) & 0xff;
 527
 528         if (ucontrol->value.enumerated.item[0] > 1)
 529                 return -EINVAL;
 530         val = !!ucontrol->value.enumerated.item[0];
 531         if (invert)
 532                 val = !val;
 533         return snd_ac97_update_bits(ac97, reg, 1 << shift, val << shift);
 534 }
 535
 536 int snd_ac97_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 537 {
 538         int mask = (kcontrol->private_value >> 16) & 0xff;
 539
 540         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 541         uinfo->count = 1;
 542         uinfo->value.integer.min = 0;
 543         uinfo->value.integer.max = mask;
 544         return 0;
 545 }
 546
 547 int snd_ac97_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 548 {
 549         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 550         int reg = kcontrol->private_value & 0xff;
 551         int shift = (kcontrol->private_value >> 8) & 0xff;
 552         int mask = (kcontrol->private_value >> 16) & 0xff;
 553         int invert = (kcontrol->private_value >> 24) & 0x01;
 554
 555         ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift) & mask;
 556         if (invert)
 557                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 558         return 0;
 559 }
 560
 561 int snd_ac97_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 562 {
 563         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 564         int reg = kcontrol->private_value & 0xff;
 565         int shift = (kcontrol->private_value >> 8) & 0xff;
 566         int mask = (kcontrol->private_value >> 16) & 0xff;
 567         int invert = (kcontrol->private_value >> 24) & 0x01;
 568         unsigned short val;
 569
 570         val = (ucontrol->value.integer.value[0] & mask);
 571         if (invert)
 572                 val = mask - val;
 573         return snd_ac97_update_bits(ac97, reg, mask << shift, val << shift);
 574 }
 575
 576 #define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 577 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_ac97_info_double, \
 578   .get = snd_ac97_get_double, .put = snd_ac97_put_double, \
 579   .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
 580
 581 static int snd_ac97_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 582 {
 583         int mask = (kcontrol->private_value >> 16) & 0xff;
 584
 585         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 586         uinfo->count = 2;
 587         uinfo->value.integer.min = 0;
 588         uinfo->value.integer.max = mask;
 589         return 0;
 590 }
 591
 592 static int snd_ac97_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 593 {
 594         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 595         int reg = kcontrol->private_value & 0xff;
 596         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 597         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 598         int mask = (kcontrol->private_value >> 16) & 0xff;
 599         int invert = (kcontrol->private_value >> 24) & 0xff;
 600
 601         spin_lock(&ac97->reg_lock);
 602         ucontrol->value.integer.value[0] = (snd_ac97_read_cache(ac97, reg) >> shift_left) & mask;
 603         ucontrol->value.integer.value[1] = (snd_ac97_read_cache(ac97, reg) >> shift_right) & mask;
 604         spin_unlock(&ac97->reg_lock);
 605         if (invert) {
 606                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 607                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 608         }
 609         return 0;
 610 }
 611
 612 static int snd_ac97_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 613 {
 614         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 615         int reg = kcontrol->private_value & 0xff;
 616         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 617         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 618         int mask = (kcontrol->private_value >> 16) & 0xff;
 619         int invert = (kcontrol->private_value >> 24) & 0xff;
 620         unsigned short val1, val2;
 621
 622         val1 = ucontrol->value.integer.value[0] & mask;
 623         val2 = ucontrol->value.integer.value[1] & mask;
 624         if (invert) {
 625                 val1 = mask - val1;
 626                 val2 = mask - val2;
 627         }
 628         return snd_ac97_update_bits(ac97, reg,
 629                                     (mask << shift_left) | (mask << shift_right),
 630                                     (val1 << shift_left) | (val2 << shift_right));
 631 }
 632
 633 int snd_ac97_getput_page(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol,
 634                          int (*func)(snd_kcontrol_t *, snd_ctl_elem_value_t *))
 635 {
 636         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 637         int reg = kcontrol->private_value & 0xff;
 638         int err;
 639
 640         if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23 &&
 641             (reg >= 0x60 && reg < 0x70)) {
 642                 unsigned short page_save;
 643                 unsigned short page = (kcontrol->private_value >> 25) & 0x0f;
 644                 down(&ac97->mutex); /* lock paging */
 645                 page_save = snd_ac97_read(ac97, AC97_INT_PAGING) & AC97_PAGE_MASK;
 646                 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page);
 647                 err = func(kcontrol, ucontrol);
 648                 snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, page_save);
 649                 up(&ac97->mutex); /* unlock paging */
 650         } else
 651                 err = func(kcontrol, ucontrol);
 652         return err;
 653 }
 654
 655 /* for rev2.3 paging */
 656 int snd_ac97_page_get_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 657 {
 658         return snd_ac97_getput_page(kcontrol, ucontrol, snd_ac97_get_single);
 659 }
 660
 661 /* for rev2.3 paging */
 662 int snd_ac97_page_put_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 663 {
 664         return snd_ac97_getput_page(kcontrol, ucontrol, snd_ac97_put_single);
 665 }
 666
 667 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
 668 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 669 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
 670 };
 671
 672 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
 673 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
 674 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
 675 };
 676
 677 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
 678 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
 679 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
 680 };
 681
 682 static const snd_kcontrol_new_t snd_ac97_controls_phone[2] = {
 683 AC97_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
 684 AC97_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 15, 1)
 685 };
 686
 687 static const snd_kcontrol_new_t snd_ac97_controls_mic[3] = {
 688 AC97_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
 689 AC97_SINGLE("Mic Playback Volume", AC97_MIC, 0, 15, 1),
 690 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0)
 691 };
 692
 693 static const snd_kcontrol_new_t snd_ac97_control_capture_src = {
 694         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 695         .name = "Capture Source",
 696         .info = snd_ac97_info_mux,
 697         .get = snd_ac97_get_mux,
 698         .put = snd_ac97_put_mux,
 699 };
 700
 701 static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
 702 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
 703
 704 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
 705 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
 706 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
 707 };
 708
 709 typedef enum {
 710         AC97_GENERAL_PCM_OUT = 0,
 711         AC97_GENERAL_STEREO_ENHANCEMENT,
 712         AC97_GENERAL_3D,
 713         AC97_GENERAL_LOUDNESS,
 714         AC97_GENERAL_MONO,
 715         AC97_GENERAL_MIC,
 716         AC97_GENERAL_LOOPBACK
 717 } ac97_general_index_t;
 718
 719 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
 720 AC97_ENUM_DOUBLE("PCM Out Path & Mute", AC97_GENERAL_PURPOSE, 15, 0),
 721 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
 722 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
 723 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
 724 AC97_ENUM_DOUBLE("Mono Output Select", AC97_GENERAL_PURPOSE, 9, 0),
 725 AC97_ENUM_DOUBLE("Mic Select", AC97_GENERAL_PURPOSE, 8, 0),
 726 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
 727 };
 728
 729 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
 730 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
 731 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
 732 };
 733
 734 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
 735 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
 736 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
 737 };
 738
 739 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
 740 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
 741 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
 742 };
 743
 744 static const snd_kcontrol_new_t snd_ac97_controls_surround[2] = {
 745 AC97_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
 746 AC97_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
 747 };
 748
 749 static const snd_kcontrol_new_t snd_ac97_control_eapd =
 750 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
 751
 752 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 753 {
 754         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 755         uinfo->count = 1;
 756         return 0;
 757 }
 758
 759 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 760 {
 761         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 762                                            IEC958_AES0_NONAUDIO |
 763                                            IEC958_AES0_CON_EMPHASIS_5015 |
 764                                            IEC958_AES0_CON_NOT_COPYRIGHT;
 765         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
 766                                            IEC958_AES1_CON_ORIGINAL;
 767         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
 768         return 0;
 769 }
 770
 771 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 772 {
 773         /* FIXME: AC'97 spec doesn't say which bits are used for what */
 774         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 775                                            IEC958_AES0_NONAUDIO |
 776                                            IEC958_AES0_PRO_FS |
 777                                            IEC958_AES0_PRO_EMPHASIS_5015;
 778         return 0;
 779 }
 780
 781 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 782 {
 783         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 784
 785         spin_lock(&ac97->reg_lock);
 786         ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
 787         ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
 788         ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
 789         ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
 790         spin_unlock(&ac97->reg_lock);
 791         return 0;
 792 }
 793
 794 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 795 {
 796         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 797         unsigned int new = 0;
 798         unsigned short val = 0;
 799         int change;
 800
 801         spin_lock(&ac97->reg_lock);
 802         new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
 803         if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
 804                 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
 805                 switch (new & IEC958_AES0_PRO_FS) {
 806                 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
 807                 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
 808                 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
 809                 default:                       val |= 1<<12; break;
 810                 }
 811                 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
 812                         val |= 1<<3;
 813         } else {
 814                 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
 815                 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
 816                 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
 817                 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
 818                         val |= 1<<3;
 819                 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
 820                         val |= 1<<2;
 821                 val |= ((new >> 8) & 0xff) << 4;        // category + original
 822                 switch ((new >> 24) & 0xff) {
 823                 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
 824                 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
 825                 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
 826                 default:                       val |= 1<<12; break;
 827                 }
 828         }
 829
 830         change = ac97->spdif_status != new;
 831         ac97->spdif_status = new;
 832         spin_unlock(&ac97->reg_lock);
 833
 834         if (ac97->flags & AC97_CS_SPDIF) {
 835                 int x = (val >> 12) & 0x03;
 836                 switch (x) {
 837                 case 0: x = 1; break;  // 44.1
 838                 case 2: x = 0; break;  // 48.0
 839                 default: x = 0; break; // illegal.
 840                 }
 841                 change |= snd_ac97_update_bits(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
 842         } else if (ac97->flags & AC97_CX_SPDIF) {
 843                 int v;
 844                 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
 845                 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
 846                 change |= snd_ac97_update_bits(ac97, AC97_CXR_AUDIO_MISC,
 847                                                AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
 848                                                v);
 849         } else {
 850                 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
 851                 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
 852
 853                 change |= snd_ac97_update_bits(ac97, AC97_SPDIF, 0x3fff, val);
 854                 if (extst & AC97_EA_SPDIF) {
 855                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
 856                 }
 857         }
 858
 859         return change;
 860 }
 861
 862 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 863 {
 864         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 865         int reg = kcontrol->private_value & 0xff;
 866         int shift = (kcontrol->private_value >> 8) & 0xff;
 867         int mask = (kcontrol->private_value >> 16) & 0xff;
 868         // int invert = (kcontrol->private_value >> 24) & 0xff;
 869         unsigned short value, old, new;
 870
 871         value = (ucontrol->value.integer.value[0] & mask);
 872
 873         mask <<= shift;
 874         value <<= shift;
 875         spin_lock(&ac97->reg_lock);
 876         old = snd_ac97_read_cache(ac97, reg);
 877         new = (old & ~mask) | value;
 878         spin_unlock(&ac97->reg_lock);
 879
 880         if (old != new) {
 881                 int change;
 882                 unsigned short extst = snd_ac97_read_cache(ac97, AC97_EXTENDED_STATUS);
 883                 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
 884                 change = snd_ac97_update_bits(ac97, reg, mask, value);
 885                 if (extst & AC97_EA_SPDIF)
 886                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
 887                 return change;
 888         }
 889         return 0;
 890 }
 891
 892 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
 893         {
 894                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 895                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 896                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
 897                 .info = snd_ac97_spdif_mask_info,
 898                 .get = snd_ac97_spdif_cmask_get,
 899         },
 900         {
 901                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 902                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 903                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
 904                 .info = snd_ac97_spdif_mask_info,
 905                 .get = snd_ac97_spdif_pmask_get,
 906         },
 907         {
 908                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 909                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 910                 .info = snd_ac97_spdif_mask_info,
 911                 .get = snd_ac97_spdif_default_get,
 912                 .put = snd_ac97_spdif_default_put,
 913         },
 914
 915         AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
 916         {
 917                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 918                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
 919                 .info = snd_ac97_info_single,
 920                 .get = snd_ac97_get_single,
 921                 .put = snd_ac97_put_spsa,
 922                 .private_value = AC97_SINGLE_VALUE(AC97_EXTENDED_STATUS, 4, 3, 0)
 923         },
 924 };
 925
 926 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
 927 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
 928   .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
 929   .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 16) }
 930
 931 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 932 {
 933         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 934         int mask = (kcontrol->private_value >> 16) & 0x0f;
 935         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 936         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 937
 938         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 939         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
 940                 uinfo->count = 2;
 941         else
 942                 uinfo->count = 1;
 943         uinfo->value.integer.min = 0;
 944         uinfo->value.integer.max = mask;
 945         return 0;
 946 }
 947
 948 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 949 {
 950         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 951         int codec = kcontrol->private_value & 3;
 952         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 953         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 954         int mask = (kcontrol->private_value >> 16) & 0xff;
 955
 956         ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
 957         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
 958                 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
 959         return 0;
 960 }
 961
 962 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 963 {
 964         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 965         int codec = kcontrol->private_value & 3;
 966         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 967         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 968         int mask = (kcontrol->private_value >> 16) & 0xff;
 969         unsigned short val, valmask;
 970
 971         val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
 972         valmask = mask << lshift;
 973         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
 974                 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
 975                 valmask |= mask << rshift;
 976         }
 977         return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
 978 }
 979
 980 #define AD18XX_PCM_VOLUME(xname, codec) \
 981 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
 982   .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
 983   .private_value = codec }
 984
 985 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 986 {
 987         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 988         uinfo->count = 2;
 989         uinfo->value.integer.min = 0;
 990         uinfo->value.integer.max = 31;
 991         return 0;
 992 }
 993
 994 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 995 {
 996         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 997         int codec = kcontrol->private_value & 3;
 998
 999         spin_lock(&ac97->reg_lock);
1000         ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
1001         ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
1002         spin_unlock(&ac97->reg_lock);
1003         return 0;
1004 }
1005
1006 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1007 {
1008         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
1009         int codec = kcontrol->private_value & 3;
1010         unsigned short val1, val2;
1011
1012         val1 = 31 - (ucontrol->value.integer.value[0] & 31);
1013         val2 = 31 - (ucontrol->value.integer.value[1] & 31);
1014         return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
1015 }
1016
1017 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
1018 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
1019 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
1020 };
1021
1022 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
1023 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
1024 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
1025 };
1026
1027 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
1028 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
1029 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
1030 };
1031
1032 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
1033 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
1034 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
1035 };
1036
1037 /*
1038  *
1039  */
1040
1041 static void snd_ac97_powerdown(ac97_t *ac97);
1042
1043 static int snd_ac97_bus_free(ac97_bus_t *bus)
1044 {
1045         if (bus) {
1046                 snd_ac97_bus_proc_done(bus);
1047                 if (bus->pcms)
1048                         kfree(bus->pcms);
1049                 if (bus->private_free)
1050                         bus->private_free(bus);
1051                 kfree(bus);
1052         }
1053         return 0;
1054 }
1055
1056 static int snd_ac97_bus_dev_free(snd_device_t *device)
1057 {
1058         ac97_bus_t *bus = device->device_data;
1059         return snd_ac97_bus_free(bus);
1060 }
1061
1062 static int snd_ac97_free(ac97_t *ac97)
1063 {
1064         if (ac97) {
1065                 snd_ac97_proc_done(ac97);
1066                 if (ac97->bus) {
1067                         ac97->bus->codec[ac97->num] = NULL;
1068                         if (ac97->bus->shared_type) {
1069                                 down(&shared_codec_mutex);
1070                                 shared_codec[ac97->bus->shared_type-1][ac97->num] = NULL;
1071                                 up(&shared_codec_mutex);
1072                         }
1073                 }
1074                 if (ac97->private_free)
1075                         ac97->private_free(ac97);
1076                 kfree(ac97);
1077         }
1078         return 0;
1079 }
1080
1081 static int snd_ac97_dev_free(snd_device_t *device)
1082 {
1083         ac97_t *ac97 = device->device_data;
1084         snd_ac97_powerdown(ac97); /* for avoiding click noises during shut down */
1085         return snd_ac97_free(ac97);
1086 }
1087
1088 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1089 {
1090         unsigned short val, mask = 0x8000;
1091
1092         if (! snd_ac97_valid_reg(ac97, reg))
1093                 return 0;
1094
1095         switch (reg) {
1096         case AC97_MASTER_TONE:
1097                 return ac97->caps & 0x04 ? 1 : 0;
1098         case AC97_HEADPHONE:
1099                 return ac97->caps & 0x10 ? 1 : 0;
1100         case AC97_REC_GAIN_MIC:
1101                 return ac97->caps & 0x01 ? 1 : 0;
1102         case AC97_3D_CONTROL:
1103                 if (ac97->caps & 0x7c00) {
1104                         val = snd_ac97_read(ac97, reg);
1105                         /* if nonzero - fixed and we can't set it */
1106                         return val == 0;
1107                 }
1108                 return 0;
1109         case AC97_CENTER_LFE_MASTER:    /* center */
1110                 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1111                         return 0;
1112                 break;
1113         case AC97_CENTER_LFE_MASTER+1:  /* lfe */
1114                 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1115                         return 0;
1116                 reg = AC97_CENTER_LFE_MASTER;
1117                 mask = 0x0080;
1118                 break;
1119         case AC97_SURROUND_MASTER:
1120                 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1121                         return 0;
1122                 break;
1123         }
1124
1125         if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1126                 return 1; /* allow without check */
1127
1128         val = snd_ac97_read(ac97, reg);
1129         if (!(val & mask)) {
1130                 /* nothing seems to be here - mute flag is not set */
1131                 /* try another test */
1132                 snd_ac97_write_cache(ac97, reg, val | mask);
1133                 val = snd_ac97_read(ac97, reg);
1134                 if (!(val & mask))
1135                         return 0;       /* nothing here */
1136         }
1137         return 1;               /* success, useable */
1138 }
1139
1140 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1141 {
1142         unsigned short mask, val, orig, res;
1143
1144         mask = 1 << bit;
1145         orig = snd_ac97_read(ac97, reg);
1146         val = orig ^ mask;
1147         snd_ac97_write(ac97, reg, val);
1148         res = snd_ac97_read(ac97, reg);
1149         snd_ac97_write_cache(ac97, reg, orig);
1150         return res == val;
1151 }
1152
1153 static void snd_ac97_change_volume_params1(ac97_t * ac97, int reg, unsigned char *max)
1154 {
1155         unsigned short val, val1;
1156
1157         *max = 63;
1158         val = 0x8000 | 0x0020;
1159         snd_ac97_write(ac97, reg, val);
1160         val1 = snd_ac97_read(ac97, reg);
1161         if (val != val1) {
1162                 *max = 31;
1163         }
1164         /* reset volume to zero */
1165         snd_ac97_write_cache(ac97, reg, 0x8000);
1166 }
1167
1168 /* check the volume resolution of center/lfe */
1169 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1170 {
1171         unsigned short val, val1;
1172
1173         *max = 63;
1174         val = 0x8080 | (0x20 << shift);
1175         snd_ac97_write(ac97, reg, val);
1176         val1 = snd_ac97_read(ac97, reg);
1177         if (val != val1) {
1178                 *max = 31;
1179         }
1180         /* reset volume to zero */
1181         snd_ac97_write_cache(ac97, reg, 0x8080);
1182 }
1183
1184 /* check whether the volume resolution is 4 or 5 bits */
1185 static void snd_ac97_change_volume_params3(ac97_t * ac97, int reg, unsigned char *max)
1186 {
1187         unsigned short val, val1;
1188
1189         *max = 31;
1190         val = 0x8000 | 0x0010;
1191         snd_ac97_write(ac97, reg, val);
1192         val1 = snd_ac97_read(ac97, reg);
1193         if (val != val1) {
1194                 *max = 15;
1195         }
1196         /* reset volume to zero */
1197         snd_ac97_write_cache(ac97, reg, 0x8000);
1198 }
1199
1200 /* check whether the volume is mono or stereo */
1201 static int snd_ac97_is_stereo_vol(ac97_t *ac97, int reg)
1202 {
1203         unsigned short val, val1, val2;
1204         val = snd_ac97_read(ac97, reg);
1205         val1 = val | 0x8000 | (0x01 << 8);
1206         snd_ac97_write(ac97, reg, val1);
1207         val2 = snd_ac97_read(ac97, reg);
1208         snd_ac97_write(ac97, reg, val); /* restore */
1209         return val1 == val2;
1210 }
1211
1212 static inline int printable(unsigned int x)
1213 {
1214         x &= 0xff;
1215         if (x < ' ' || x >= 0x71) {
1216                 if (x <= 0x89)
1217                         return x - 0x71 + 'A';
1218                 return '?';
1219         }
1220         return x;
1221 }
1222
1223 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1224 {
1225         snd_kcontrol_new_t template;
1226         memcpy(&template, _template, sizeof(template));
1227         snd_runtime_check(!template.index, return NULL);
1228         template.index = ac97->num;
1229         return snd_ctl_new1(&template, ac97);
1230 }
1231
1232 /*
1233  * create mute switch(es) for normal stereo controls
1234  */
1235 static int snd_ac97_cmute_new(snd_card_t *card, char *name, int reg, ac97_t *ac97)
1236 {
1237         snd_kcontrol_t *kctl;
1238         int stereo = 0;
1239
1240         if (! snd_ac97_valid_reg(ac97, reg))
1241                 return 0;
1242
1243         if (ac97->flags & AC97_STEREO_MUTES) {
1244                 /* check whether both mute bits work */
1245                 unsigned short val, val1;
1246                 val = snd_ac97_read(ac97, reg);
1247                 val1 = val | 0x8080;
1248                 snd_ac97_write(ac97, reg, val1);
1249                 if (val1 == snd_ac97_read(ac97, reg))
1250                         stereo = 1;
1251                 snd_ac97_write(ac97, reg, val);
1252         }
1253         if (stereo) {
1254                 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1255                 tmp.index = ac97->num;
1256                 kctl = snd_ctl_new1(&tmp, ac97);
1257         } else {
1258                 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1259                 tmp.index = ac97->num;
1260                 kctl = snd_ctl_new1(&tmp, ac97);
1261         }
1262         return snd_ctl_add(card, kctl);
1263 }
1264
1265 /*
1266  * create volumes for normal stereo controls
1267  */
1268 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int max, ac97_t *ac97)
1269 {
1270         int err;
1271         snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, (unsigned int)max, 1);
1272         tmp.index = ac97->num;
1273
1274         if (! snd_ac97_valid_reg(ac97, reg))
1275                 return 0;
1276         if ((err = snd_ctl_add(card, snd_ctl_new1(&tmp, ac97))) < 0)
1277                 return err;
1278         snd_ac97_write_cache(ac97, reg,
1279                              ((ac97->flags & AC97_STEREO_MUTES) ? 0x8080 : 0x8000) |
1280                              (unsigned short)max | ((unsigned short)max << 8));
1281         return 0;
1282 }
1283
1284 /*
1285  * create mute-switch and volumes for normal stereo controls
1286  */
1287 static int snd_ac97_cmix_new(snd_card_t *card, const char *pfx, int reg, int check_res, ac97_t *ac97)
1288 {
1289         int err;
1290         char name[44];
1291         unsigned char max;
1292
1293         if (! snd_ac97_valid_reg(ac97, reg))
1294                 return 0;
1295
1296         sprintf(name, "%s Switch", pfx);
1297         if ((err = snd_ac97_cmute_new(card, name, reg, ac97)) < 0)
1298                 return err;
1299         sprintf(name, "%s Volume", pfx);
1300         if (check_res)
1301                 snd_ac97_change_volume_params1(ac97, reg, &max);
1302         else
1303                 max = 31; /* 5bit */
1304         if ((err = snd_ac97_cvol_new(card, name, reg, max, ac97)) < 0)
1305                 return err;
1306         return 0;
1307 }
1308
1309
1310 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97);
1311
1312 static int snd_ac97_mixer_build(ac97_t * ac97)
1313 {
1314         snd_card_t *card = ac97->bus->card;
1315         snd_kcontrol_t *kctl;
1316         int err;
1317         unsigned int idx;
1318         unsigned char max;
1319
1320         /* build master controls */
1321         /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1322         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1323                 if ((err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, 1, ac97)) < 0)
1324                         return err;
1325         }
1326
1327         ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1328
1329         /* build center controls */
1330         if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1331                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1332                         return err;
1333                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1334                         return err;
1335                 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1336                 kctl->private_value &= ~(0xff << 16);
1337                 kctl->private_value |= (int)max << 16;
1338                 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1339         }
1340
1341         /* build LFE controls */
1342         if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1343                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1344                         return err;
1345                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1346                         return err;
1347                 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1348                 kctl->private_value &= ~(0xff << 16);
1349                 kctl->private_value |= (int)max << 16;
1350                 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1351         }
1352
1353         /* build surround controls */
1354         if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1355                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_surround[0], ac97))) < 0)
1356                         return err;
1357                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_surround[1], ac97))) < 0)
1358                         return err;
1359                 snd_ac97_change_volume_params2(ac97, AC97_SURROUND_MASTER, 0, &max);
1360                 kctl->private_value &= ~(0xff << 16);
1361                 kctl->private_value |= (int)max << 16;
1362                 snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x8080 | max | (max << 8));
1363         }
1364
1365         /* build headphone controls */
1366         if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE)) {
1367                 if ((err = snd_ac97_cmix_new(card, "Headphone Playback", AC97_HEADPHONE, 1, ac97)) < 0)
1368                         return err;
1369         }
1370
1371         /* build master mono controls */
1372         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1373                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_master_mono[0], ac97))) < 0)
1374                         return err;
1375                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_master_mono[1], ac97))) < 0)
1376                         return err;
1377                 snd_ac97_change_volume_params1(ac97, AC97_MASTER_MONO, &max);
1378                 kctl->private_value &= ~(0xff << 16);
1379                 kctl->private_value |= (int)max << 16;
1380                 snd_ac97_write_cache(ac97, AC97_MASTER_MONO, 0x8000 | max);
1381         }
1382
1383         /* build master tone controls */
1384         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1385                 for (idx = 0; idx < 2; idx++) {
1386                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1387                                 return err;
1388                         if (ac97->id == AC97_ID_YMF753) {
1389                                 kctl->private_value &= ~(0xff << 16);
1390                                 kctl->private_value |= 7 << 16;
1391                         }
1392                 }
1393                 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1394         }
1395
1396         /* build PC Speaker controls */
1397         if ((ac97->flags & AC97_HAS_PC_BEEP) ||
1398             snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP)) {
1399                 for (idx = 0; idx < 2; idx++)
1400                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1401                                 return err;
1402                 snd_ac97_write_cache(ac97, AC97_PC_BEEP,
1403                                      snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e);
1404         }
1405
1406         /* build Phone controls */
1407         if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1408                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_phone[0], ac97))) < 0)
1409                         return err;
1410                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_phone[1], ac97))) < 0)
1411                         return err;
1412                 snd_ac97_change_volume_params3(ac97, AC97_PHONE, &max);
1413                 kctl->private_value &= ~(0xff << 16);
1414                 kctl->private_value |= (int)max << 16;
1415                 snd_ac97_write_cache(ac97, AC97_PHONE, 0x8000 | max);
1416         }
1417
1418         /* build MIC controls */
1419         snd_ac97_change_volume_params3(ac97, AC97_MIC, &max);
1420         if (snd_ac97_is_stereo_vol(ac97, AC97_MIC)) {
1421                 /* build stereo mic */
1422                 if ((err = snd_ac97_cmute_new(card, "Mic Playback Switch", AC97_MIC, ac97)) < 0)
1423                         return err;
1424                 if ((err = snd_ac97_cvol_new(card, "Mic Playback Volume", AC97_MIC, max, ac97)) < 0)
1425                         return err;
1426                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic[2], ac97))) < 0)
1427                         return err;
1428         } else {
1429                 /* build mono mic */
1430                 for (idx = 0; idx < 3; idx++) {
1431                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic[idx], ac97))) < 0)
1432                                 return err;
1433                         if (idx == 1) {         // volume
1434                                 kctl->private_value &= ~(0xff << 16);
1435                                 kctl->private_value |= (int)max << 16;
1436                         }
1437                 }
1438                 snd_ac97_write_cache(ac97, AC97_MIC, 0x8000 | max);
1439         }
1440
1441         /* build Line controls */
1442         if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, 0, ac97)) < 0)
1443                 return err;
1444
1445         /* build CD controls */
1446         if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, 0, ac97)) < 0)
1447                 return err;
1448
1449         /* build Video controls */
1450         if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1451                 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, 0, ac97)) < 0)
1452                         return err;
1453         }
1454
1455         /* build Aux controls */
1456         if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1457                 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, 0, ac97)) < 0)
1458                         return err;
1459         }
1460
1461         /* build PCM controls */
1462         if (ac97->flags & AC97_AD_MULTI) {
1463                 unsigned short init_val;
1464                 if (ac97->flags & AC97_STEREO_MUTES)
1465                         init_val = 0x9f9f;
1466                 else
1467                         init_val = 0x9f1f;
1468                 for (idx = 0; idx < 2; idx++)
1469                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1470                                 return err;
1471                 ac97->spec.ad18xx.pcmreg[0] = init_val;
1472                 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1473                         for (idx = 0; idx < 2; idx++)
1474                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1475                                         return err;
1476                         ac97->spec.ad18xx.pcmreg[1] = init_val;
1477                 }
1478                 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1479                         for (idx = 0; idx < 2; idx++)
1480                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1481                                         return err;
1482                         for (idx = 0; idx < 2; idx++)
1483                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1484                                         return err;
1485                         ac97->spec.ad18xx.pcmreg[2] = init_val;
1486                 }
1487                 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1488         } else {
1489                 if ((err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97)) < 0)
1490                         return err;
1491                 /* FIXME: C-Media chips have no PCM volume!! */
1492                 if (ac97->id == AC97_ID_CM9739)
1493                         snd_ac97_write_cache(ac97, AC97_PCM, 0x9f1f);
1494                 else {
1495                         if ((err = snd_ac97_cvol_new(card, "PCM Playback Volume", AC97_PCM, 31, ac97)) < 0)
1496                                 return err;
1497                 }
1498         }
1499
1500         /* build Capture controls */
1501         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1502                 return err;
1503         if (snd_ac97_try_bit(ac97, AC97_REC_GAIN, 15)) {
1504                 if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1505                         return err;
1506         }
1507         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1508                 return err;
1509         snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1510         snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1511
1512         /* build MIC Capture controls */
1513         if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1514                 for (idx = 0; idx < 2; idx++)
1515                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1516                                 return err;
1517                 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1518         }
1519
1520         /* build PCM out path & mute control */
1521         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1522                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1523                         return err;
1524         }
1525
1526         /* build Simulated Stereo Enhancement control */
1527         if (ac97->caps & 0x0008) {
1528                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1529                         return err;
1530         }
1531
1532         /* build 3D Stereo Enhancement control */
1533         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1534                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1535                         return err;
1536         }
1537
1538         /* build Loudness control */
1539         if (ac97->caps & 0x0020) {
1540                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1541                         return err;
1542         }
1543
1544         /* build Mono output select control */
1545         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1546                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1547                         return err;
1548         }
1549
1550         /* build Mic select control */
1551         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1552                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1553                         return err;
1554         }
1555
1556         /* build ADC/DAC loopback control */
1557         if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1558                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1559                         return err;
1560         }
1561
1562         snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0x0000);
1563
1564         /* build 3D controls */
1565         if (ac97->build_ops && ac97->build_ops->build_3d) {
1566                 ac97->build_ops->build_3d(ac97);
1567         } else {
1568                 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1569                         unsigned short val;
1570                         val = 0x0707;
1571                         snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1572                         val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1573                         val = val == 0x0606;
1574                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1575                                 return err;
1576                         if (val)
1577                                 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1578                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1579                                 return err;
1580                         if (val)
1581                                 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1582                         snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1583                 }
1584         }
1585
1586         /* build S/PDIF controls */
1587         if (ac97->ext_id & AC97_EI_SPDIF) {
1588                 if (ac97->build_ops && ac97->build_ops->build_spdif) {
1589                         if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1590                                 return err;
1591                 } else {
1592                         for (idx = 0; idx < 5; idx++)
1593                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1594                                         return err;
1595                         if (ac97->build_ops && ac97->build_ops->build_post_spdif) {
1596                                 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1597                                         return err;
1598                         }
1599                         /* set default PCM S/PDIF params */
1600                         /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1601                         snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1602                         ac97->rates[AC97_RATES_SPDIF] = snd_ac97_determine_spdif_rates(ac97);
1603                 }
1604                 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1605         }
1606
1607         /* build chip specific controls */
1608         if (ac97->build_ops && ac97->build_ops->build_specific)
1609                 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1610                         return err;
1611
1612         if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1613                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_eapd, ac97))) < 0)
1614                         return err;
1615         }
1616
1617         return 0;
1618 }
1619
1620 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1621 {
1622         /* TODO */
1623         //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1624         snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1625         snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1626         snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1627         snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1628         snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1629         return 0;
1630 }
1631
1632 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1633 {
1634         unsigned short val;
1635         unsigned int tmp;
1636
1637         tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1638         snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1639         if (shadow_reg)
1640                 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1641         val = snd_ac97_read(ac97, reg);
1642         return val == (tmp & 0xffff);
1643 }
1644
1645 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1646 {
1647         unsigned int result = 0;
1648
1649         /* test a non-standard rate */
1650         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1651                 result |= SNDRV_PCM_RATE_CONTINUOUS;
1652         /* let's try to obtain standard rates */
1653         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1654                 result |= SNDRV_PCM_RATE_8000;
1655         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1656                 result |= SNDRV_PCM_RATE_11025;
1657         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1658                 result |= SNDRV_PCM_RATE_16000;
1659         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1660                 result |= SNDRV_PCM_RATE_22050;
1661         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1662                 result |= SNDRV_PCM_RATE_32000;
1663         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1664                 result |= SNDRV_PCM_RATE_44100;
1665         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1666                 result |= SNDRV_PCM_RATE_48000;
1667         *r_result = result;
1668 }
1669
1670 /* check AC97_SPDIF register to accept which sample rates */
1671 static unsigned int snd_ac97_determine_spdif_rates(ac97_t *ac97)
1672 {
1673         unsigned int result = 0;
1674         int i;
1675         static unsigned short ctl_bits[] = {
1676                 AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K
1677         };
1678         static unsigned int rate_bits[] = {
1679                 SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000
1680         };
1681
1682         for (i = 0; i < (int)ARRAY_SIZE(ctl_bits); i++) {
1683                 snd_ac97_update_bits(ac97, AC97_SPDIF, AC97_SC_SPSR_MASK, ctl_bits[i]);
1684                 if ((snd_ac97_read(ac97, AC97_SPDIF) & AC97_SC_SPSR_MASK) == ctl_bits[i])
1685                         result |= rate_bits[i];
1686         }
1687         return result;
1688 }
1689
1690 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1691 {
1692         const ac97_codec_id_t *pid;
1693
1694         sprintf(name, "0x%x %c%c%c", id,
1695                 printable(id >> 24),
1696                 printable(id >> 16),
1697                 printable(id >> 8));
1698         for (pid = snd_ac97_codec_id_vendors; pid->id; pid++)
1699                 if (pid->id == (id & pid->mask)) {
1700                         strcpy(name, pid->name);
1701                         if (ac97) {
1702                                 if (!modem && pid->patch)
1703                                         pid->patch(ac97);
1704                                 else if (modem && pid->mpatch)
1705                                         pid->mpatch(ac97);
1706                         }
1707                         goto __vendor_ok;
1708                 }
1709         return;
1710
1711       __vendor_ok:
1712         for (pid = snd_ac97_codec_ids; pid->id; pid++)
1713                 if (pid->id == (id & pid->mask)) {
1714                         strcat(name, " ");
1715                         strcat(name, pid->name);
1716                         if (pid->mask != 0xffffffff)
1717                                 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1718                         if (ac97) {
1719                                 if (!modem && pid->patch)
1720                                         pid->patch(ac97);
1721                                 else if (modem && pid->mpatch)
1722                                         pid->mpatch(ac97);
1723                         }
1724                         return;
1725                 }
1726         sprintf(name + strlen(name), " id %x", id & 0xff);
1727 }
1728
1729
1730 /* wait for a while until registers are accessible after RESET
1731  * return 0 if ok, negative not ready
1732  */
1733 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1734 {
1735         unsigned long end_time;
1736         end_time = jiffies + timeout;
1737         do {
1738                 unsigned short ext_mid;
1739
1740                 /* use preliminary reads to settle the communication */
1741                 snd_ac97_read(ac97, AC97_RESET);
1742                 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1743                 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1744                 /* modem? */
1745                 if (with_modem) {
1746                         ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1747                         if (ext_mid != 0xffff && (ext_mid & 1) != 0)
1748                                 return 0;
1749                 }
1750                 /* because the PCM or MASTER volume registers can be modified,
1751                  * the REC_GAIN register is used for tests
1752                  */
1753                 /* test if we can write to the record gain volume register */
1754                 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1755                 if ((snd_ac97_read(ac97, AC97_REC_GAIN) & 0x7fff) == 0x0a05)
1756                         return 0;
1757                 set_current_state(TASK_UNINTERRUPTIBLE);
1758                 schedule_timeout(1);
1759         } while (time_after_eq(end_time, jiffies));
1760         return -ENODEV;
1761 }
1762
1763 /**
1764  * snd_ac97_bus - create an AC97 bus component
1765  * @card: the card instance
1766  * @num: the bus number
1767  * @ops: the bus callbacks table
1768  * @private_data: private data pointer for the new instance
1769  * @rbus: the pointer to store the new AC97 bus instance.
1770  *
1771  * Creates an AC97 bus component.  An ac97_bus_t instance is newly
1772  * allocated and initialized.
1773  *
1774  * The ops table must include valid callbacks (at least read and
1775  * write).  The other callbacks, wait and reset, are not mandatory.
1776  *
1777  * The clock is set to 48000.  If another clock is needed, set
1778  * (*rbus)->clock manually.
1779  *
1780  * The AC97 bus instance is registered as a low-level device, so you don't
1781  * have to release it manually.
1782  *
1783  * Returns zero if successful, or a negative error code on failure.
1784  */
1785 int snd_ac97_bus(snd_card_t *card, int num, ac97_bus_ops_t *ops,
1786                  void *private_data, ac97_bus_t **rbus)
1787 {
1788         int err;
1789         ac97_bus_t *bus;
1790         static snd_device_ops_t dev_ops = {
1791                 .dev_free =     snd_ac97_bus_dev_free,
1792         };
1793
1794         snd_assert(card != NULL, return -EINVAL);
1795         snd_assert(rbus != NULL, return -EINVAL);
1796         bus = kcalloc(1, sizeof(*bus), GFP_KERNEL);
1797         if (bus == NULL)
1798                 return -ENOMEM;
1799         bus->card = card;
1800         bus->num = num;
1801         bus->ops = ops;
1802         bus->private_data = private_data;
1803         bus->clock = 48000;
1804         spin_lock_init(&bus->bus_lock);
1805         snd_ac97_bus_proc_init(bus);
1806         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, bus, &dev_ops)) < 0) {
1807                 snd_ac97_bus_free(bus);
1808                 return err;
1809         }
1810         *rbus = bus;
1811         return 0;
1812 }
1813
1814 /**
1815  * snd_ac97_mixer - create an Codec97 component
1816  * @bus: the AC97 bus which codec is attached to
1817  * @template: the template of ac97, including index, callbacks and
1818  *         the private data.
1819  * @rac97: the pointer to store the new ac97 instance.
1820  *
1821  * Creates an Codec97 component.  An ac97_t instance is newly
1822  * allocated and initialized from the template.  The codec
1823  * is then initialized by the standard procedure.
1824  *
1825  * The template must include the codec number (num) and address (addr),
1826  * and the private data (private_data).
1827  *
1828  * The ac97 instance is registered as a low-level device, so you don't
1829  * have to release it manually.
1830  *
1831  * Returns zero if successful, or a negative error code on failure.
1832  */
1833 int snd_ac97_mixer(ac97_bus_t *bus, ac97_template_t *template, ac97_t **rac97)
1834 {
1835         int err;
1836         ac97_t *ac97;
1837         snd_card_t *card;
1838         char name[64];
1839         unsigned long end_time;
1840         unsigned int reg;
1841         static snd_device_ops_t ops = {
1842                 .dev_free =     snd_ac97_dev_free,
1843         };
1844
1845         snd_assert(rac97 != NULL, return -EINVAL);
1846         *rac97 = NULL;
1847         snd_assert(bus != NULL && template != NULL, return -EINVAL);
1848         snd_assert(template->num < 4 && bus->codec[template->num] == NULL, return -EINVAL);
1849
1850         snd_assert(bus->shared_type <= AC97_SHARED_TYPES, return -EINVAL);
1851         if (bus->shared_type) {
1852                 /* already shared? */
1853                 down(&shared_codec_mutex);
1854                 ac97 = shared_codec[bus->shared_type-1][template->num];
1855                 if (ac97) {
1856                         if ((ac97_is_audio(ac97) && (template->scaps & AC97_SCAP_SKIP_AUDIO)) ||
1857                             (ac97_is_modem(ac97) && (template->scaps & AC97_SCAP_SKIP_MODEM))) {
1858                                 up(&shared_codec_mutex);
1859                                 return -EACCES; /* skip this */
1860                         }
1861                 }
1862                 up(&shared_codec_mutex);
1863         }
1864
1865         card = bus->card;
1866         ac97 = kcalloc(1, sizeof(*ac97), GFP_KERNEL);
1867         if (ac97 == NULL)
1868                 return -ENOMEM;
1869         ac97->private_data = template->private_data;
1870         ac97->private_free = template->private_free;
1871         ac97->bus = bus;
1872         ac97->pci = template->pci;
1873         ac97->num = template->num;
1874         ac97->addr = template->addr;
1875         ac97->scaps = template->scaps;
1876         ac97->limited_regs = template->limited_regs;
1877         memcpy(ac97->reg_accessed, template->reg_accessed, sizeof(ac97->reg_accessed));
1878         bus->codec[ac97->num] = ac97;
1879         spin_lock_init(&ac97->reg_lock);
1880         init_MUTEX(&ac97->mutex);
1881
1882         if (ac97->pci) {
1883                 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1884                 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1885         }
1886         if (bus->ops->reset) {
1887                 bus->ops->reset(ac97);
1888                 goto __access_ok;
1889         }
1890
1891         snd_ac97_write(ac97, AC97_RESET, 0);    /* reset to defaults */
1892         if (bus->ops->wait)
1893                 bus->ops->wait(ac97);
1894         else {
1895                 udelay(50);
1896                 if (ac97->scaps & AC97_SCAP_SKIP_AUDIO)
1897                         err = ac97_reset_wait(ac97, HZ/2, 1);
1898                 else {
1899                         err = ac97_reset_wait(ac97, HZ/2, 0);
1900                         if (err < 0)
1901                                 err = ac97_reset_wait(ac97, HZ/2, 1);
1902                 }
1903                 if (err < 0) {
1904                         snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1905                         /* proceed anyway - it's often non-critical */
1906                 }
1907         }
1908       __access_ok:
1909         ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1910         ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1911         if (ac97->id == 0x00000000 || ac97->id == 0xffffffff) {
1912                 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1913                 snd_ac97_free(ac97);
1914                 return -EIO;
1915         }
1916
1917         /* test for AC'97 */
1918         if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1919                 /* test if we can write to the record gain volume register */
1920                 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1921                 if (((err = snd_ac97_read(ac97, AC97_REC_GAIN)) & 0x7fff) == 0x0a06)
1922                         ac97->scaps |= AC97_SCAP_AUDIO;
1923         }
1924         if (ac97->scaps & AC97_SCAP_AUDIO) {
1925                 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1926                 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1927                 if (ac97->ext_id == 0xffff)     /* invalid combination */
1928                         ac97->ext_id = 0;
1929         }
1930
1931         /* test for MC'97 */
1932         if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1933                 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1934                 if (ac97->ext_mid == 0xffff)    /* invalid combination */
1935                         ac97->ext_mid = 0;
1936                 if (ac97->ext_mid & 1)
1937                         ac97->scaps |= AC97_SCAP_MODEM;
1938         }
1939
1940         if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1941                 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1942                         snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1943                 snd_ac97_free(ac97);
1944                 return -EACCES;
1945         }
1946
1947         if (bus->ops->reset) // FIXME: always skipping?
1948                 goto __ready_ok;
1949
1950         /* FIXME: add powerdown control */
1951         if (ac97_is_audio(ac97)) {
1952                 /* nothing should be in powerdown mode */
1953                 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1954                 snd_ac97_write_cache(ac97, AC97_RESET, 0);              /* reset to defaults */
1955                 udelay(100);
1956                 /* nothing should be in powerdown mode */
1957                 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1958                 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1959                 end_time = jiffies + (HZ / 10);
1960                 do {
1961                         if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1962                                 goto __ready_ok;
1963                         set_current_state(TASK_UNINTERRUPTIBLE);
1964                         schedule_timeout(1);
1965                 } while (time_after_eq(end_time, jiffies));
1966                 snd_printk(KERN_WARNING "AC'97 %d analog subsections not ready\n", ac97->num);
1967         }
1968
1969         /* FIXME: add powerdown control */
1970         if (ac97_is_modem(ac97)) {
1971                 unsigned char tmp;
1972
1973                 /* nothing should be in powerdown mode */
1974                 /* note: it's important to set the rate at first */
1975                 tmp = AC97_MEA_GPIO;
1976                 if (ac97->ext_mid & AC97_MEI_LINE1) {
1977                         snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 12000);
1978                         tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1979                 }
1980                 if (ac97->ext_mid & AC97_MEI_LINE2) {
1981                         snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000);
1982                         tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1983                 }
1984                 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1985                         snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000);
1986                         tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1987                 }
1988                 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1989                 udelay(100);
1990                 /* nothing should be in powerdown mode */
1991                 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1992                 end_time = jiffies + (HZ / 10);
1993                 do {
1994                         if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1995                                 goto __ready_ok;
1996                         set_current_state(TASK_UNINTERRUPTIBLE);
1997                         schedule_timeout(1);
1998                 } while (time_after_eq(end_time, jiffies));
1999                 snd_printk(KERN_WARNING "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
2000         }
2001
2002       __ready_ok:
2003         if (ac97_is_audio(ac97))
2004                 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
2005         else
2006                 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
2007         if (ac97->ext_id & 0x0189)      /* L/R, MIC, SDAC, LDAC VRA support */
2008                 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, ac97->ext_id & 0x0189);
2009         if (ac97->ext_id & AC97_EI_VRA) {       /* VRA support */
2010                 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
2011                 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
2012         } else {
2013                 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
2014                 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
2015         }
2016         if (ac97->ext_id & AC97_EI_SPDIF) {
2017                 /* codec specific code (patch) should override these values */
2018                 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_32000;
2019         }
2020         if (ac97->ext_id & AC97_EI_VRM) {       /* MIC VRA support */
2021                 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
2022         } else {
2023                 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
2024         }
2025         if (ac97->ext_id & AC97_EI_SDAC) {      /* SDAC support */
2026                 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
2027                 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
2028         }
2029         if (ac97->ext_id & AC97_EI_LDAC) {      /* LDAC support */
2030                 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
2031                 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
2032         }
2033         /* additional initializations */
2034         if (bus->ops->init)
2035                 bus->ops->init(ac97);
2036         snd_ac97_get_name(ac97, ac97->id, name, !ac97_is_audio(ac97));
2037         snd_ac97_get_name(NULL, ac97->id, name, !ac97_is_audio(ac97));  // ac97->id might be changed in the special setup code
2038         if (ac97_is_audio(ac97)) {
2039                 if (card->mixername[0] == '\0') {
2040                         strcpy(card->mixername, name);
2041                 } else {
2042                         if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2043                                 strcat(card->mixername, ",");
2044                                 strcat(card->mixername, name);
2045                         }
2046                 }
2047                 if ((err = snd_component_add(card, "AC97a")) < 0) {
2048                         snd_ac97_free(ac97);
2049                         return err;
2050                 }
2051                 if (snd_ac97_mixer_build(ac97) < 0) {
2052                         snd_ac97_free(ac97);
2053                         return -ENOMEM;
2054                 }
2055         }
2056         if (ac97_is_modem(ac97)) {
2057                 if (card->mixername[0] == '\0') {
2058                         strcpy(card->mixername, name);
2059                 } else {
2060                         if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
2061                                 strcat(card->mixername, ",");
2062                                 strcat(card->mixername, name);
2063                         }
2064                 }
2065                 if ((err = snd_component_add(card, "AC97m")) < 0) {
2066                         snd_ac97_free(ac97);
2067                         return err;
2068                 }
2069                 if (snd_ac97_modem_build(card, ac97) < 0) {
2070                         snd_ac97_free(ac97);
2071                         return -ENOMEM;
2072                 }
2073         }
2074         /* make sure the proper powerdown bits are cleared */
2075         if (ac97->scaps) {
2076                 reg = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
2077                 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
2078                         reg &= ~AC97_EA_PRJ;
2079                 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
2080                         reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
2081                 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, reg);
2082         }
2083         snd_ac97_proc_init(ac97);
2084         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ac97, &ops)) < 0) {
2085                 snd_ac97_free(ac97);
2086                 return err;
2087         }
2088         *rac97 = ac97;
2089
2090         if (bus->shared_type) {
2091                 down(&shared_codec_mutex);
2092                 shared_codec[bus->shared_type-1][ac97->num] = ac97;
2093                 up(&shared_codec_mutex);
2094         }
2095
2096         return 0;
2097 }
2098
2099
2100 /*
2101  * Power down the chip.
2102  *
2103  * MASTER and HEADPHONE registers are muted but the register cache values
2104  * are not changed, so that the values can be restored in snd_ac97_resume().
2105  */
2106 static void snd_ac97_powerdown(ac97_t *ac97)
2107 {
2108         unsigned short power;
2109
2110         if (ac97_is_audio(ac97)) {
2111                 /* some codecs have stereo mute bits */
2112                 snd_ac97_write(ac97, AC97_MASTER, 0x9f9f);
2113                 snd_ac97_write(ac97, AC97_HEADPHONE, 0x9f9f);
2114         }
2115
2116         power = ac97->regs[AC97_POWERDOWN] | 0x8000;    /* EAPD */
2117         power |= 0x4000;        /* Headphone amplifier powerdown */
2118         power |= 0x0300;        /* ADC & DAC powerdown */
2119         snd_ac97_write(ac97, AC97_POWERDOWN, power);
2120         udelay(100);
2121         power |= 0x0400;        /* Analog Mixer powerdown (Vref on) */
2122         snd_ac97_write(ac97, AC97_POWERDOWN, power);
2123         udelay(100);
2124 #if 0
2125         /* FIXME: this causes click noises on some boards at resume */
2126         power |= 0x3800;        /* AC-link powerdown, internal Clk disable */
2127         snd_ac97_write(ac97, AC97_POWERDOWN, power);
2128 #endif
2129 }
2130
2131
2132 #ifdef CONFIG_PM
2133 /**
2134  * snd_ac97_suspend - General suspend function for AC97 codec
2135  * @ac97: the ac97 instance
2136  *
2137  * Suspends the codec, power down the chip.
2138  */
2139 void snd_ac97_suspend(ac97_t *ac97)
2140 {
2141         snd_ac97_powerdown(ac97);
2142 }
2143
2144 /**
2145  * snd_ac97_resume - General resume function for AC97 codec
2146  * @ac97: the ac97 instance
2147  *
2148  * Do the standard resume procedure, power up and restoring the
2149  * old register values.
2150  */
2151 void snd_ac97_resume(ac97_t *ac97)
2152 {
2153         int i, is_ad18xx, codec;
2154
2155         if (ac97->bus->ops->reset) {
2156                 ac97->bus->ops->reset(ac97);
2157                 goto  __reset_ready;
2158         }
2159
2160         snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2161         snd_ac97_write(ac97, AC97_RESET, 0);
2162         udelay(100);
2163         snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2164         snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2165
2166         snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2167         if (ac97_is_audio(ac97)) {
2168                 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8101);
2169                 for (i = HZ/10; i >= 0; i--) {
2170                         if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2171                                 break;
2172                         set_current_state(TASK_UNINTERRUPTIBLE);
2173                         schedule_timeout(1);
2174                 }
2175                 /* FIXME: extra delay */
2176                 ac97->bus->ops->write(ac97, AC97_MASTER, 0x8000);
2177                 if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
2178                         set_current_state(TASK_UNINTERRUPTIBLE);
2179                         schedule_timeout(HZ/4);
2180                 }
2181         } else {
2182                 for (i = HZ/10; i >= 0; i--) {
2183                         unsigned short val = snd_ac97_read(ac97, AC97_EXTENDED_MID);
2184                         if (val != 0xffff && (val & 1) != 0)
2185                                 break;
2186                         set_current_state(TASK_UNINTERRUPTIBLE);
2187                         schedule_timeout(1);
2188                 }
2189         }
2190 __reset_ready:
2191
2192         if (ac97->bus->ops->init)
2193                 ac97->bus->ops->init(ac97);
2194
2195         is_ad18xx = (ac97->flags & AC97_AD_MULTI);
2196         if (is_ad18xx) {
2197                 /* restore the AD18xx codec configurations */
2198                 for (codec = 0; codec < 3; codec++) {
2199                         if (! ac97->spec.ad18xx.id[codec])
2200                                 continue;
2201                         /* select single codec */
2202                         snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
2203                                              ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
2204                         ac97->bus->ops->write(ac97, AC97_AD_CODEC_CFG, ac97->spec.ad18xx.codec_cfg[codec]);
2205                 }
2206                 /* select all codecs */
2207                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
2208         }
2209
2210         /* restore ac97 status */
2211         for (i = 2; i < 0x7c ; i += 2) {
2212                 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2213                         continue;
2214                 /* restore only accessible registers
2215                  * some chip (e.g. nm256) may hang up when unsupported registers
2216                  * are accessed..!
2217                  */
2218                 if (test_bit(i, ac97->reg_accessed)) {
2219                         if (is_ad18xx) {
2220                                 /* handle multi codecs for AD18xx */
2221                                 if (i == AC97_PCM) {
2222                                         for (codec = 0; codec < 3; codec++) {
2223                                                 if (! ac97->spec.ad18xx.id[codec])
2224                                                         continue;
2225                                                 /* select single codec */
2226                                                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
2227                                                                      ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
2228                                                 /* update PCM bits */
2229                                                 ac97->bus->ops->write(ac97, AC97_PCM, ac97->spec.ad18xx.pcmreg[codec]);
2230                                         }
2231                                         /* select all codecs */
2232                                         snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
2233                                         continue;
2234                                 } else if (i == AC97_AD_TEST ||
2235                                            i == AC97_AD_CODEC_CFG ||
2236                                            i == AC97_AD_SERIAL_CFG)
2237                                         continue; /* ignore */
2238                         }
2239                         snd_ac97_write(ac97, i, ac97->regs[i]);
2240                         snd_ac97_read(ac97, i);
2241                 }
2242         }
2243
2244         if (ac97->ext_id & AC97_EI_SPDIF) {
2245                 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2246                         /* reset spdif status */
2247                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2248                         snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2249                         if (ac97->flags & AC97_CS_SPDIF)
2250                                 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2251                         else
2252                                 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2253                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2254                 }
2255         }
2256 }
2257 #endif
2258
2259
2260 /*
2261  */
2262 static void set_ctl_name(char *dst, const char *src, const char *suffix)
2263 {
2264         if (suffix)
2265                 sprintf(dst, "%s %s", src, suffix);
2266         else
2267                 strcpy(dst, src);
2268 }
2269
2270 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name, const char *suffix)
2271 {
2272         snd_ctl_elem_id_t id;
2273         memset(&id, 0, sizeof(id));
2274         set_ctl_name(id.name, name, suffix);
2275         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2276         return snd_ctl_remove_id(ac97->bus->card, &id);
2277 }
2278
2279 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name, const char *suffix)
2280 {
2281         snd_ctl_elem_id_t sid;
2282         memset(&sid, 0, sizeof(sid));
2283         set_ctl_name(sid.name, name, suffix);
2284         sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2285         return snd_ctl_find_id(ac97->bus->card, &sid);
2286 }
2287
2288 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst, const char *suffix)
2289 {
2290         snd_kcontrol_t *kctl = ctl_find(ac97, src, suffix);
2291         if (kctl) {
2292                 set_ctl_name(kctl->id.name, dst, suffix);
2293                 return 0;
2294         }
2295         return -ENOENT;
2296 }
2297
2298 /* rename both Volume and Switch controls - don't check the return value */
2299 void snd_ac97_rename_vol_ctl(ac97_t *ac97, const char *src, const char *dst)
2300 {
2301         snd_ac97_rename_ctl(ac97, src, dst, "Switch");
2302         snd_ac97_rename_ctl(ac97, src, dst, "Volume");
2303 }
2304
2305 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2, const char *suffix)
2306 {
2307         snd_kcontrol_t *kctl1, *kctl2;
2308         kctl1 = ctl_find(ac97, s1, suffix);
2309         kctl2 = ctl_find(ac97, s2, suffix);
2310         if (kctl1 && kctl2) {
2311                 set_ctl_name(kctl1->id.name, s2, suffix);
2312                 set_ctl_name(kctl2->id.name, s1, suffix);
2313                 return 0;
2314         }
2315         return -ENOENT;
2316 }
2317
2318 static int swap_headphone(ac97_t *ac97, int remove_master)
2319 {
2320         if (remove_master) {
2321                 if (ctl_find(ac97, "Headphone Playback Switch", NULL) == NULL)
2322                         return 0;
2323                 snd_ac97_remove_ctl(ac97, "Master Playback", "Switch");
2324                 snd_ac97_remove_ctl(ac97, "Master Playback", "Volume");
2325         } else
2326                 snd_ac97_rename_vol_ctl(ac97, "Master Playback", "Line-Out Playback");
2327         snd_ac97_rename_vol_ctl(ac97, "Headphone Playback", "Master Playback");
2328         return 0;
2329 }
2330
2331 static int swap_surround(ac97_t *ac97)
2332 {
2333         /* FIXME: error checks.. */
2334         snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Switch");
2335         snd_ac97_swap_ctl(ac97, "Master Playback", "Surround Playback", "Volume");
2336         return 0;
2337 }
2338
2339 static int tune_ad_sharing(ac97_t *ac97)
2340 {
2341         unsigned short scfg;
2342         if ((ac97->id & 0xffffff00) != 0x41445300) {
2343                 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2344                 return -EINVAL;
2345         }
2346         /* Turn on OMS bit to route microphone to back panel */
2347         scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2348         snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2349         return 0;
2350 }
2351
2352 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2353 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2354
2355 static int tune_alc_jack(ac97_t *ac97)
2356 {
2357         if ((ac97->id & 0xffffff00) != 0x414c4700) {
2358                 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2359                 return -EINVAL;
2360         }
2361         snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2362         snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2363         return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2364 }
2365
2366 static int apply_quirk(ac97_t *ac97, int quirk)
2367 {
2368         switch (quirk) {
2369         case AC97_TUNE_NONE:
2370                 return 0;
2371         case AC97_TUNE_HP_ONLY:
2372                 return swap_headphone(ac97, 1);
2373         case AC97_TUNE_SWAP_HP:
2374                 return swap_headphone(ac97, 0);
2375         case AC97_TUNE_SWAP_SURROUND:
2376                 return swap_surround(ac97);
2377         case AC97_TUNE_AD_SHARING:
2378                 return tune_ad_sharing(ac97);
2379         case AC97_TUNE_ALC_JACK:
2380                 return tune_alc_jack(ac97);
2381         }
2382         return -EINVAL;
2383 }
2384
2385 /**
2386  * snd_ac97_tune_hardware - tune up the hardware
2387  * @ac97: the ac97 instance
2388  * @quirk: quirk list
2389  * @override: explicit quirk value (overrides the list if not AC97_TUNE_DEFAULT)
2390  *
2391  * Do some workaround for each pci device, such as renaming of the
2392  * headphone (true line-out) control as "Master".
2393  * The quirk-list must be terminated with a zero-filled entry.
2394  *
2395  * Returns zero if successful, or a negative error code on failure.
2396  */
2397
2398 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override)
2399 {
2400         int result;
2401
2402         snd_assert(quirk, return -EINVAL);
2403
2404         if (override != AC97_TUNE_DEFAULT) {
2405                 result = apply_quirk(ac97, override);
2406                 if (result < 0)
2407                         snd_printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
2408                 return result;
2409         }
2410
2411         for (; quirk->vendor; quirk++) {
2412                 if (quirk->vendor != ac97->subsystem_vendor)
2413                         continue;
2414                 if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
2415                     quirk->device == (quirk->mask & ac97->subsystem_device)) {
2416                         snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2417                         result = apply_quirk(ac97, quirk->type);
2418                         if (result < 0)
2419                                 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2420                         return result;
2421                 }
2422         }
2423         return 0;
2424 }
2425
2426
2427 /*
2428  *  Exported symbols
2429  */
2430
2431 EXPORT_SYMBOL(snd_ac97_write);
2432 EXPORT_SYMBOL(snd_ac97_read);
2433 EXPORT_SYMBOL(snd_ac97_write_cache);
2434 EXPORT_SYMBOL(snd_ac97_update);
2435 EXPORT_SYMBOL(snd_ac97_update_bits);
2436 EXPORT_SYMBOL(snd_ac97_bus);
2437 EXPORT_SYMBOL(snd_ac97_mixer);
2438 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2439 EXPORT_SYMBOL(snd_ac97_pcm_open);
2440 EXPORT_SYMBOL(snd_ac97_pcm_close);
2441 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2442 EXPORT_SYMBOL(snd_ac97_set_rate);
2443 #ifdef CONFIG_PM
2444 EXPORT_SYMBOL(snd_ac97_resume);
2445 EXPORT_SYMBOL(snd_ac97_suspend);
2446 #endif
2447
2448 /*
2449  *  INIT part
2450  */
2451
2452 static int __init alsa_ac97_init(void)
2453 {
2454         return 0;
2455 }
2456
2457 static void __exit alsa_ac97_exit(void)
2458 {
2459 }
2460
2461 module_init(alsa_ac97_init)
2462 module_exit(alsa_ac97_exit)