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 <sound/core.h>
  31 #include <sound/pcm.h>
  32 #include <sound/ac97_codec.h>
  33 #include <sound/asoundef.h>
  34 #include <sound/initval.h>
  35 #include "ac97_local.h"
  36 #include "ac97_id.h"
  37 #include "ac97_patch.h"
  38
  39 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  40 MODULE_DESCRIPTION("Universal interface for Audio Codec '97");
  41 MODULE_LICENSE("GPL");
  42
  43 static int enable_loopback;
  44
  45 MODULE_PARM(enable_loopback, "i");
  46 MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
  47 MODULE_PARM_SYNTAX(enable_loopback, SNDRV_BOOLEAN_FALSE_DESC);
  48
  49 #define chip_t ac97_t
  50
  51 /*
  52
  53  */
  54
  55 typedef struct {
  56         unsigned int id;
  57         unsigned int mask;
  58         const char *name;
  59         int (*patch)(ac97_t *ac97);
  60         int (*mpatch)(ac97_t *ac97);
  61 } ac97_codec_id_t;
  62
  63 static const ac97_codec_id_t snd_ac97_codec_id_vendors[] = {
  64 { 0x414b4d00, 0xffffff00, "Asahi Kasei",        NULL,   NULL },
  65 { 0x41445300, 0xffffff00, "Analog Devices",     NULL,   NULL },
  66 { 0x414c4300, 0xffffff00, "Realtek",            NULL,   NULL },
  67 { 0x414c4700, 0xffffff00, "Realtek",            NULL,   NULL },
  68 { 0x434d4900, 0xffffff00, "C-Media Electronics", NULL,  NULL },
  69 { 0x43525900, 0xffffff00, "Cirrus Logic",       NULL,   NULL },
  70 { 0x43585400, 0xffffff00, "Conexant",           NULL,   NULL },
  71 { 0x44543000, 0xffffff00, "Diamond Technology", NULL,   NULL },
  72 { 0x454d4300, 0xffffff00, "eMicro",             NULL,   NULL },
  73 { 0x45838300, 0xffffff00, "ESS Technology",     NULL,   NULL },
  74 { 0x48525300, 0xffffff00, "Intersil",           NULL,   NULL },
  75 { 0x49434500, 0xffffff00, "ICEnsemble",         NULL,   NULL },
  76 { 0x49544500, 0xffffff00, "ITE Tech.Inc",       NULL,   NULL },
  77 { 0x4e534300, 0xffffff00, "National Semiconductor", NULL, NULL },
  78 { 0x50534300, 0xffffff00, "Philips",            NULL,   NULL },
  79 { 0x53494c00, 0xffffff00, "Silicon Laboratory", NULL,   NULL },
  80 { 0x54524100, 0xffffff00, "TriTech",            NULL,   NULL },
  81 { 0x54584e00, 0xffffff00, "Texas Instruments",  NULL,   NULL },
  82 { 0x56494100, 0xffffff00, "VIA Technologies",   NULL,   NULL },
  83 { 0x57454300, 0xffffff00, "Winbond",            NULL,   NULL },
  84 { 0x574d4c00, 0xffffff00, "Wolfson",            NULL,   NULL },
  85 { 0x594d4800, 0xffffff00, "Yamaha",             NULL,   NULL },
  86 { 0x83847600, 0xffffff00, "SigmaTel",           NULL,   NULL },
  87 { 0,          0,          NULL,                 NULL,   NULL }
  88 };
  89
  90 static const ac97_codec_id_t snd_ac97_codec_ids[] = {
  91 { 0x414b4d00, 0xffffffff, "AK4540",             NULL,           NULL },
  92 { 0x414b4d01, 0xffffffff, "AK4542",             NULL,           NULL },
  93 { 0x414b4d02, 0xffffffff, "AK4543",             NULL,           NULL },
  94 { 0x414b4d06, 0xffffffff, "AK4544A",            NULL,           NULL },
  95 { 0x414b4d07, 0xffffffff, "AK4545",             NULL,           NULL },
  96 { 0x41445303, 0xffffffff, "AD1819",             patch_ad1819,   NULL },
  97 { 0x41445340, 0xffffffff, "AD1881",             patch_ad1881,   NULL },
  98 { 0x41445348, 0xffffffff, "AD1881A",            patch_ad1881,   NULL },
  99 { 0x41445360, 0xffffffff, "AD1885",             patch_ad1885,   NULL },
 100 { 0x41445361, 0xffffffff, "AD1886",             patch_ad1886,   NULL },
 101 { 0x41445362, 0xffffffff, "AD1887",             patch_ad1881,   NULL },
 102 { 0x41445363, 0xffffffff, "AD1886A",            patch_ad1881,   NULL },
 103 { 0x41445368, 0xffffffff, "AD1888",             patch_ad1888,   NULL },
 104 { 0x41445370, 0xffffffff, "AD1980",             patch_ad1980,   NULL },
 105 { 0x41445372, 0xffffffff, "AD1981A",            patch_ad1981a,  NULL },
 106 { 0x41445374, 0xffffffff, "AD1981B",            patch_ad1981b,  NULL },
 107 { 0x41445375, 0xffffffff, "AD1985",             patch_ad1985,   NULL },
 108 { 0x414c4300, 0xffffff00, "ALC100/100P",        NULL,           NULL },
 109 { 0x414c4710, 0xfffffff0, "ALC200/200P",        NULL,           NULL },
 110 { 0x414c4720, 0xfffffff0, "ALC650",             patch_alc650,   NULL },
 111 { 0x414c4721, 0xfffffff0, "ALC650D",            patch_alc650,   NULL },
 112 { 0x414c4722, 0xfffffff0, "ALC650E",            patch_alc650,   NULL },
 113 { 0x414c4723, 0xfffffff0, "ALC650F",            patch_alc650,   NULL },
 114 { 0x414c4760, 0xfffffff0, "ALC655",             patch_alc655,   NULL },
 115 { 0x414c4780, 0xfffffff0, "ALC658",             patch_alc655,   NULL },
 116 { 0x414c4730, 0xffffffff, "ALC101",             NULL,           NULL },
 117 { 0x414c4740, 0xfffffff0, "ALC202",             NULL,           NULL },
 118 { 0x414c4750, 0xfffffff0, "ALC250",             NULL,           NULL },
 119 { 0x414c4770, 0xfffffff0, "ALC203",             NULL,           NULL },
 120 { 0x434d4941, 0xffffffff, "CMI9738",            patch_cm9738,   NULL },
 121 { 0x434d4961, 0xffffffff, "CMI9739",            patch_cm9739,   NULL },
 122 { 0x43525900, 0xfffffff8, "CS4297",             NULL,           NULL },
 123 { 0x43525910, 0xfffffff8, "CS4297A",            patch_cirrus_spdif,     NULL },
 124 { 0x43525920, 0xfffffff8, "CS4294/4298",        NULL,           NULL },
 125 { 0x43525928, 0xfffffff8, "CS4294",             NULL,           NULL },
 126 { 0x43525930, 0xfffffff8, "CS4299",             patch_cirrus_cs4299,    NULL },
 127 { 0x43525948, 0xfffffff8, "CS4201",             NULL,           NULL },
 128 { 0x43525958, 0xfffffff8, "CS4205",             patch_cirrus_spdif,     NULL },
 129 { 0x43525960, 0xfffffff8, "CS4291",             NULL,           NULL },
 130 { 0x43525970, 0xfffffff8, "CS4202",             NULL,           NULL },
 131 { 0x43585421, 0xffffffff, "HSD11246",           NULL,           NULL }, // SmartMC II
 132 { 0x43585428, 0xfffffff8, "Cx20468",            patch_conexant, NULL }, // SmartAMC fixme: the mask might be different
 133 { 0x44543031, 0xfffffff0, "DT0398",             NULL,           NULL },
 134 { 0x454d4328, 0xffffffff, "28028",              NULL,           NULL },  // same as TR28028?
 135 { 0x45838308, 0xffffffff, "ESS1988",            NULL,           NULL },
 136 { 0x48525300, 0xffffff00, "HMP9701",            NULL,           NULL },
 137 { 0x49434501, 0xffffffff, "ICE1230",            NULL,           NULL },
 138 { 0x49434511, 0xffffffff, "ICE1232",            NULL,           NULL }, // alias VIA VT1611A?
 139 { 0x49434514, 0xffffffff, "ICE1232A",           NULL,           NULL },
 140 { 0x49434551, 0xffffffff, "VT1616",             patch_vt1616,   NULL },
 141 { 0x49434552, 0xffffffff, "VT1616i",            patch_vt1616,   NULL }, // VT1616 compatible (chipset integrated)
 142 { 0x49544520, 0xffffffff, "IT2226E",            NULL,           NULL },
 143 { 0x49544561, 0xffffffff, "IT2646E",            patch_it2646,   NULL },
 144 { 0x4e534300, 0xffffffff, "LM4540/43/45/46/48", NULL,           NULL }, // only guess --jk
 145 { 0x4e534331, 0xffffffff, "LM4549",             NULL,           NULL },
 146 { 0x4e534350, 0xffffffff, "LM4550",             NULL,           NULL },
 147 { 0x50534304, 0xffffffff, "UCB1400",            NULL,           NULL },
 148 { 0x53494c20, 0xffffffe0, "Si3036/8",           NULL,           mpatch_si3036 },
 149 { 0x54524102, 0xffffffff, "TR28022",            NULL,           NULL },
 150 { 0x54524106, 0xffffffff, "TR28026",            NULL,           NULL },
 151 { 0x54524108, 0xffffffff, "TR28028",            patch_tritech_tr28028,  NULL }, // added by xin jin [07/09/99]
 152 { 0x54524123, 0xffffffff, "TR28602",            NULL,           NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)]
 153 { 0x54584e20, 0xffffffff, "TLC320AD9xC",        NULL,           NULL },
 154 { 0x56494161, 0xffffffff, "VIA1612A",           NULL,           NULL }, // modified ICE1232 with S/PDIF
 155 { 0x57454301, 0xffffffff, "W83971D",            NULL,           NULL },
 156 { 0x574d4c00, 0xffffffff, "WM9701A",            NULL,           NULL },
 157 { 0x574d4C03, 0xffffffff, "WM9703/WM9707/WM9708/WM9717", patch_wolfson03, NULL},
 158 { 0x574d4C04, 0xffffffff, "WM9704M/WM9704Q",    patch_wolfson04, NULL},
 159 { 0x574d4C05, 0xffffffff, "WM9705/WM9710",      patch_wolfson05, NULL},
 160 { 0x574d4C09, 0xffffffff, "WM9709",             NULL,           NULL},
 161 { 0x574d4C12, 0xffffffff, "WM9711/WM9712",      patch_wolfson11, NULL},
 162 { 0x594d4800, 0xffffffff, "YMF743",             NULL,           NULL },
 163 { 0x594d4802, 0xffffffff, "YMF752",             NULL,           NULL },
 164 { 0x594d4803, 0xffffffff, "YMF753",             patch_yamaha_ymf753,    NULL },
 165 { 0x83847600, 0xffffffff, "STAC9700/83/84",     patch_sigmatel_stac9700,        NULL },
 166 { 0x83847604, 0xffffffff, "STAC9701/3/4/5",     NULL,           NULL },
 167 { 0x83847605, 0xffffffff, "STAC9704",           NULL,           NULL },
 168 { 0x83847608, 0xffffffff, "STAC9708/11",        patch_sigmatel_stac9708,        NULL },
 169 { 0x83847609, 0xffffffff, "STAC9721/23",        patch_sigmatel_stac9721,        NULL },
 170 { 0x83847644, 0xffffffff, "STAC9744",           patch_sigmatel_stac9744,        NULL },
 171 { 0x83847650, 0xffffffff, "STAC9750/51",        NULL,           NULL }, // patch?
 172 { 0x83847652, 0xffffffff, "STAC9752/53",        NULL,           NULL }, // patch?
 173 { 0x83847656, 0xffffffff, "STAC9756/57",        patch_sigmatel_stac9756,        NULL },
 174 { 0x83847658, 0xffffffff, "STAC9758/59",        patch_sigmatel_stac9758,        NULL },
 175 { 0x83847666, 0xffffffff, "STAC9766/67",        NULL,           NULL }, // patch?
 176 { 0,          0,          NULL,                 NULL,           NULL }
 177 };
 178
 179 const char *snd_ac97_stereo_enhancements[] =
 180 {
 181   /*   0 */ "No 3D Stereo Enhancement",
 182   /*   1 */ "Analog Devices Phat Stereo",
 183   /*   2 */ "Creative Stereo Enhancement",
 184   /*   3 */ "National Semi 3D Stereo Enhancement",
 185   /*   4 */ "YAMAHA Ymersion",
 186   /*   5 */ "BBE 3D Stereo Enhancement",
 187   /*   6 */ "Crystal Semi 3D Stereo Enhancement",
 188   /*   7 */ "Qsound QXpander",
 189   /*   8 */ "Spatializer 3D Stereo Enhancement",
 190   /*   9 */ "SRS 3D Stereo Enhancement",
 191   /*  10 */ "Platform Tech 3D Stereo Enhancement",
 192   /*  11 */ "AKM 3D Audio",
 193   /*  12 */ "Aureal Stereo Enhancement",
 194   /*  13 */ "Aztech 3D Enhancement",
 195   /*  14 */ "Binaura 3D Audio Enhancement",
 196   /*  15 */ "ESS Technology Stereo Enhancement",
 197   /*  16 */ "Harman International VMAx",
 198   /*  17 */ "Nvidea/IC Ensemble/KS Waves 3D Stereo Enhancement",
 199   /*  18 */ "Philips Incredible Sound",
 200   /*  19 */ "Texas Instruments 3D Stereo Enhancement",
 201   /*  20 */ "VLSI Technology 3D Stereo Enhancement",
 202   /*  21 */ "TriTech 3D Stereo Enhancement",
 203   /*  22 */ "Realtek 3D Stereo Enhancement",
 204   /*  23 */ "Samsung 3D Stereo Enhancement",
 205   /*  24 */ "Wolfson Microelectronics 3D Enhancement",
 206   /*  25 */ "Delta Integration 3D Enhancement",
 207   /*  26 */ "SigmaTel 3D Enhancement",
 208   /*  27 */ "IC Ensemble/KS Waves",
 209   /*  28 */ "Rockwell 3D Stereo Enhancement",
 210   /*  29 */ "Reserved 29",
 211   /*  30 */ "Reserved 30",
 212   /*  31 */ "Reserved 31"
 213 };
 214
 215 /*
 216  *  I/O routines
 217  */
 218
 219 static int snd_ac97_valid_reg(ac97_t *ac97, unsigned short reg)
 220 {
 221         if (ac97->limited_regs && ! test_bit(reg, ac97->reg_accessed))
 222                 return 0;
 223
 224         /* filter some registers for buggy codecs */
 225         switch (ac97->id) {
 226         case AC97_ID_AK4540:
 227         case AC97_ID_AK4542:
 228                 if (reg <= 0x1c || reg == 0x20 || reg == 0x26 || reg >= 0x7c)
 229                         return 1;
 230                 return 0;
 231         case AC97_ID_AD1819:    /* AD1819 */
 232         case AC97_ID_AD1881:    /* AD1881 */
 233         case AC97_ID_AD1881A:   /* AD1881A */
 234                 if (reg >= 0x3a && reg <= 0x6e) /* 0x59 */
 235                         return 0;
 236                 return 1;
 237         case AC97_ID_AD1885:    /* AD1885 */
 238         case AC97_ID_AD1886:    /* AD1886 */
 239         case AC97_ID_AD1886A:   /* AD1886A - !!verify!! --jk */
 240         case AC97_ID_AD1887:    /* AD1887 - !!verify!! --jk */
 241                 if (reg == 0x5a)
 242                         return 1;
 243                 if (reg >= 0x3c && reg <= 0x6e) /* 0x59 */
 244                         return 0;
 245                 return 1;
 246         case AC97_ID_STAC9700:
 247         case AC97_ID_STAC9704:
 248         case AC97_ID_STAC9705:
 249         case AC97_ID_STAC9708:
 250         case AC97_ID_STAC9721:
 251         case AC97_ID_STAC9744:
 252         case AC97_ID_STAC9756:
 253                 if (reg <= 0x3a || reg >= 0x5a)
 254                         return 1;
 255                 return 0;
 256         }
 257         return 1;
 258 }
 259
 260 /**
 261  * snd_ac97_write - write a value on the given register
 262  * @ac97: the ac97 instance
 263  * @reg: the register to change
 264  * @value: the value to set
 265  *
 266  * Writes a value on the given register.  This will invoke the write
 267  * callback directly after the register check.
 268  * This function doesn't change the register cache unlike
 269  * #snd_ca97_write_cache(), so use this only when you don't want to
 270  * reflect the change to the suspend/resume state.
 271  */
 272 void snd_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short value)
 273 {
 274         if (!snd_ac97_valid_reg(ac97, reg))
 275                 return;
 276         if ((ac97->id & 0xffffff00) == 0x414c4300) {
 277                 /* Fix H/W bug of ALC100/100P */
 278                 if (reg == AC97_MASTER || reg == AC97_HEADPHONE)
 279                         ac97->bus->write(ac97, AC97_RESET, 0);  /* reset audio codec */
 280         }
 281         ac97->bus->write(ac97, reg, value);
 282 }
 283
 284 /**
 285  * snd_ac97_read - read a value from the given register
 286  *
 287  * @ac97: the ac97 instance
 288  * @reg: the register to read
 289  *
 290  * Reads a value from the given register.  This will invoke the read
 291  * callback directly after the register check.
 292  *
 293  * Returns the read value.
 294  */
 295 unsigned short snd_ac97_read(ac97_t *ac97, unsigned short reg)
 296 {
 297         if (!snd_ac97_valid_reg(ac97, reg))
 298                 return 0;
 299         return ac97->bus->read(ac97, reg);
 300 }
 301
 302 /**
 303  * snd_ac97_write_cache - write a value on the given register and update the cache
 304  * @ac97: the ac97 instance
 305  * @reg: the register to change
 306  * @value: the value to set
 307  *
 308  * Writes a value on the given register and updates the register
 309  * cache.  The cached values are used for the cached-read and the
 310  * suspend/resume.
 311  */
 312 void snd_ac97_write_cache(ac97_t *ac97, unsigned short reg, unsigned short value)
 313 {
 314         if (!snd_ac97_valid_reg(ac97, reg))
 315                 return;
 316         spin_lock(&ac97->reg_lock);
 317         ac97->regs[reg] = value;
 318         spin_unlock(&ac97->reg_lock);
 319         ac97->bus->write(ac97, reg, value);
 320         set_bit(reg, ac97->reg_accessed);
 321 }
 322
 323 /**
 324  * snd_ac97_update - update the value on the given register
 325  * @ac97: the ac97 instance
 326  * @reg: the register to change
 327  * @value: the value to set
 328  *
 329  * Compares the value with the register cache and updates the value
 330  * only when the value is changed.
 331  *
 332  * Returns 1 if the value is changed, 0 if no change, or a negative
 333  * code on failure.
 334  */
 335 int snd_ac97_update(ac97_t *ac97, unsigned short reg, unsigned short value)
 336 {
 337         int change;
 338
 339         if (!snd_ac97_valid_reg(ac97, reg))
 340                 return -EINVAL;
 341         spin_lock(&ac97->reg_lock);
 342         change = ac97->regs[reg] != value;
 343         if (change) {
 344                 ac97->regs[reg] = value;
 345                 spin_unlock(&ac97->reg_lock);
 346                 ac97->bus->write(ac97, reg, value);
 347         } else
 348                 spin_unlock(&ac97->reg_lock);
 349         return change;
 350 }
 351
 352 /**
 353  * snd_ac97_update_bits - update the bits on the given register
 354  * @ac97: the ac97 instance
 355  * @reg: the register to change
 356  * @mask: the bit-mask to change
 357  * @value: the value to set
 358  *
 359  * Updates the masked-bits on the given register only when the value
 360  * is changed.
 361  *
 362  * Returns 1 if the bits are changed, 0 if no change, or a negative
 363  * code on failure.
 364  */
 365 int snd_ac97_update_bits(ac97_t *ac97, unsigned short reg, unsigned short mask, unsigned short value)
 366 {
 367         int change;
 368         unsigned short old, new;
 369
 370         if (!snd_ac97_valid_reg(ac97, reg))
 371                 return -EINVAL;
 372         spin_lock(&ac97->reg_lock);
 373         old = ac97->regs[reg];
 374         new = (old & ~mask) | value;
 375         change = old != new;
 376         if (change) {
 377                 ac97->regs[reg] = new;
 378                 spin_unlock(&ac97->reg_lock);
 379                 ac97->bus->write(ac97, reg, new);
 380         } else
 381                 spin_unlock(&ac97->reg_lock);
 382         return change;
 383 }
 384
 385 static int snd_ac97_ad18xx_update_pcm_bits(ac97_t *ac97, int codec, unsigned short mask, unsigned short value)
 386 {
 387         int change;
 388         unsigned short old, new;
 389
 390         down(&ac97->spec.ad18xx.mutex);
 391         spin_lock(&ac97->reg_lock);
 392         old = ac97->spec.ad18xx.pcmreg[codec];
 393         new = (old & ~mask) | value;
 394         change = old != new;
 395         if (change) {
 396                 ac97->spec.ad18xx.pcmreg[codec] = new;
 397                 spin_unlock(&ac97->reg_lock);
 398                 /* select single codec */
 399                 ac97->bus->write(ac97, AC97_AD_SERIAL_CFG,
 400                                  (ac97->regs[AC97_AD_SERIAL_CFG] & ~0x7000) |
 401                                  ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
 402                 /* update PCM bits */
 403                 ac97->bus->write(ac97, AC97_PCM, new);
 404                 /* select all codecs */
 405                 ac97->bus->write(ac97, AC97_AD_SERIAL_CFG,
 406                                  ac97->regs[AC97_AD_SERIAL_CFG] | 0x7000);
 407         } else
 408                 spin_unlock(&ac97->reg_lock);
 409         up(&ac97->spec.ad18xx.mutex);
 410         return change;
 411 }
 412
 413 /*
 414  *
 415  */
 416
 417 static int snd_ac97_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 418 {
 419         static char *texts[8] = {
 420                 "Mic", "CD", "Video", "Aux", "Line",
 421                 "Mix", "Mix Mono", "Phone"
 422         };
 423
 424         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 425         uinfo->count = 2;
 426         uinfo->value.enumerated.items = 8;
 427         if (uinfo->value.enumerated.item > 7)
 428                 uinfo->value.enumerated.item = 7;
 429         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 430         return 0;
 431 }
 432
 433 static int snd_ac97_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 434 {
 435         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 436         unsigned short val;
 437
 438         val = ac97->regs[AC97_REC_SEL];
 439         ucontrol->value.enumerated.item[0] = (val >> 8) & 7;
 440         ucontrol->value.enumerated.item[1] = (val >> 0) & 7;
 441         return 0;
 442 }
 443
 444 static int snd_ac97_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 445 {
 446         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 447         unsigned short val;
 448
 449         if (ucontrol->value.enumerated.item[0] > 7 ||
 450             ucontrol->value.enumerated.item[1] > 7)
 451                 return -EINVAL;
 452         val = (ucontrol->value.enumerated.item[0] << 8) |
 453               (ucontrol->value.enumerated.item[1] << 0);
 454         return snd_ac97_update(ac97, AC97_REC_SEL, val);
 455 }
 456
 457 #define AC97_ENUM_DOUBLE(xname, reg, shift, invert) \
 458 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_info_enum_double, \
 459   .get = snd_ac97_get_enum_double, .put = snd_ac97_put_enum_double, \
 460   .private_value = reg | (shift << 8) | (invert << 24) }
 461
 462 static int snd_ac97_info_enum_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 463 {
 464         static char *texts1[2] = { "pre 3D", "post 3D" };
 465         static char *texts2[2] = { "Mix", "Mic" };
 466         static char *texts3[2] = { "Mic1", "Mic2" };
 467         char **texts = NULL;
 468         int reg = kcontrol->private_value & 0xff;
 469         int shift = (kcontrol->private_value >> 8) & 0xff;
 470
 471         switch (reg) {
 472         case AC97_GENERAL_PURPOSE:
 473                 switch (shift) {
 474                 case 15: texts = texts1; break;
 475                 case 9: texts = texts2; break;
 476                 case 8: texts = texts3; break;
 477                 }
 478         }
 479         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 480         uinfo->count = 1;
 481         uinfo->value.enumerated.items = 2;
 482         if (uinfo->value.enumerated.item > 1)
 483                 uinfo->value.enumerated.item = 1;
 484         strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
 485         return 0;
 486 }
 487
 488 static int snd_ac97_get_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 489 {
 490         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 491         unsigned short val;
 492         int reg = kcontrol->private_value & 0xff;
 493         int shift = (kcontrol->private_value >> 8) & 0xff;
 494         int invert = (kcontrol->private_value >> 24) & 0xff;
 495
 496         val = (ac97->regs[reg] >> shift) & 1;
 497         if (invert)
 498                 val ^= 1;
 499         ucontrol->value.enumerated.item[0] = val;
 500         return 0;
 501 }
 502
 503 static int snd_ac97_put_enum_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 504 {
 505         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 506         unsigned short val;
 507         int reg = kcontrol->private_value & 0xff;
 508         int shift = (kcontrol->private_value >> 8) & 0xff;
 509         int invert = (kcontrol->private_value >> 24) & 0xff;
 510
 511         if (ucontrol->value.enumerated.item[0] > 1)
 512                 return -EINVAL;
 513         val = !!ucontrol->value.enumerated.item[0];
 514         if (invert)
 515                 val = !val;
 516         return snd_ac97_update_bits(ac97, reg, 1 << shift, val << shift);
 517 }
 518
 519 int snd_ac97_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 520 {
 521         int mask = (kcontrol->private_value >> 16) & 0xff;
 522
 523         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 524         uinfo->count = 1;
 525         uinfo->value.integer.min = 0;
 526         uinfo->value.integer.max = mask;
 527         return 0;
 528 }
 529
 530 int snd_ac97_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 531 {
 532         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 533         int reg = kcontrol->private_value & 0xff;
 534         int shift = (kcontrol->private_value >> 8) & 0xff;
 535         int mask = (kcontrol->private_value >> 16) & 0xff;
 536         int invert = (kcontrol->private_value >> 24) & 0xff;
 537
 538         ucontrol->value.integer.value[0] = (ac97->regs[reg] >> shift) & mask;
 539         if (invert)
 540                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 541         return 0;
 542 }
 543
 544 int snd_ac97_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 545 {
 546         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 547         int reg = kcontrol->private_value & 0xff;
 548         int shift = (kcontrol->private_value >> 8) & 0xff;
 549         int mask = (kcontrol->private_value >> 16) & 0xff;
 550         int invert = (kcontrol->private_value >> 24) & 0xff;
 551         unsigned short val;
 552
 553         val = (ucontrol->value.integer.value[0] & mask);
 554         if (invert)
 555                 val = mask - val;
 556         return snd_ac97_update_bits(ac97, reg, mask << shift, val << shift);
 557 }
 558
 559 #define AC97_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
 560 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .info = snd_ac97_info_double, \
 561   .get = snd_ac97_get_double, .put = snd_ac97_put_double, \
 562   .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) }
 563
 564 static int snd_ac97_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 565 {
 566         int mask = (kcontrol->private_value >> 16) & 0xff;
 567
 568         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 569         uinfo->count = 2;
 570         uinfo->value.integer.min = 0;
 571         uinfo->value.integer.max = mask;
 572         return 0;
 573 }
 574
 575 static int snd_ac97_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 576 {
 577         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 578         int reg = kcontrol->private_value & 0xff;
 579         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 580         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 581         int mask = (kcontrol->private_value >> 16) & 0xff;
 582         int invert = (kcontrol->private_value >> 24) & 0xff;
 583
 584         spin_lock(&ac97->reg_lock);
 585         ucontrol->value.integer.value[0] = (ac97->regs[reg] >> shift_left) & mask;
 586         ucontrol->value.integer.value[1] = (ac97->regs[reg] >> shift_right) & mask;
 587         spin_unlock(&ac97->reg_lock);
 588         if (invert) {
 589                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
 590                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
 591         }
 592         return 0;
 593 }
 594
 595 static int snd_ac97_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 596 {
 597         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 598         int reg = kcontrol->private_value & 0xff;
 599         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
 600         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
 601         int mask = (kcontrol->private_value >> 16) & 0xff;
 602         int invert = (kcontrol->private_value >> 24) & 0xff;
 603         unsigned short val1, val2;
 604
 605         val1 = ucontrol->value.integer.value[0] & mask;
 606         val2 = ucontrol->value.integer.value[1] & mask;
 607         if (invert) {
 608                 val1 = mask - val1;
 609                 val2 = mask - val2;
 610         }
 611         return snd_ac97_update_bits(ac97, reg,
 612                                     (mask << shift_left) | (mask << shift_right),
 613                                     (val1 << shift_left) | (val2 << shift_right));
 614 }
 615
 616 static const snd_kcontrol_new_t snd_ac97_controls_master_mono[2] = {
 617 AC97_SINGLE("Master Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 618 AC97_SINGLE("Master Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1)
 619 };
 620
 621 static const snd_kcontrol_new_t snd_ac97_controls_tone[2] = {
 622 AC97_SINGLE("Tone Control - Bass", AC97_MASTER_TONE, 8, 15, 1),
 623 AC97_SINGLE("Tone Control - Treble", AC97_MASTER_TONE, 0, 15, 1)
 624 };
 625
 626 static const snd_kcontrol_new_t snd_ac97_controls_pc_beep[2] = {
 627 AC97_SINGLE("PC Speaker Playback Switch", AC97_PC_BEEP, 15, 1, 1),
 628 AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
 629 };
 630
 631 static const snd_kcontrol_new_t snd_ac97_controls_phone[2] = {
 632 AC97_SINGLE("Phone Playback Switch", AC97_PHONE, 15, 1, 1),
 633 AC97_SINGLE("Phone Playback Volume", AC97_PHONE, 0, 15, 1)
 634 };
 635
 636 static const snd_kcontrol_new_t snd_ac97_controls_mic[3] = {
 637 AC97_SINGLE("Mic Playback Switch", AC97_MIC, 15, 1, 1),
 638 AC97_SINGLE("Mic Playback Volume", AC97_MIC, 0, 15, 1),
 639 AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0)
 640 };
 641
 642 static const snd_kcontrol_new_t snd_ac97_control_capture_src = {
 643         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 644         .name = "Capture Source",
 645         .info = snd_ac97_info_mux,
 646         .get = snd_ac97_get_mux,
 647         .put = snd_ac97_put_mux,
 648 };
 649
 650 static const snd_kcontrol_new_t snd_ac97_control_capture_vol =
 651 AC97_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 15, 0);
 652
 653 static const snd_kcontrol_new_t snd_ac97_controls_mic_capture[2] = {
 654 AC97_SINGLE("Mic Capture Switch", AC97_REC_GAIN_MIC, 15, 1, 1),
 655 AC97_SINGLE("Mic Capture Volume", AC97_REC_GAIN_MIC, 0, 15, 0)
 656 };
 657
 658 typedef enum {
 659         AC97_GENERAL_PCM_OUT = 0,
 660         AC97_GENERAL_STEREO_ENHANCEMENT,
 661         AC97_GENERAL_3D,
 662         AC97_GENERAL_LOUDNESS,
 663         AC97_GENERAL_MONO,
 664         AC97_GENERAL_MIC,
 665         AC97_GENERAL_LOOPBACK
 666 } ac97_general_index_t;
 667
 668 static const snd_kcontrol_new_t snd_ac97_controls_general[7] = {
 669 AC97_ENUM_DOUBLE("PCM Out Path & Mute", AC97_GENERAL_PURPOSE, 15, 0),
 670 AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
 671 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
 672 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
 673 AC97_ENUM_DOUBLE("Mono Output Select", AC97_GENERAL_PURPOSE, 9, 0),
 674 AC97_ENUM_DOUBLE("Mic Select", AC97_GENERAL_PURPOSE, 8, 0),
 675 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
 676 };
 677
 678 const snd_kcontrol_new_t snd_ac97_controls_3d[2] = {
 679 AC97_SINGLE("3D Control - Center", AC97_3D_CONTROL, 8, 15, 0),
 680 AC97_SINGLE("3D Control - Depth", AC97_3D_CONTROL, 0, 15, 0)
 681 };
 682
 683 static const snd_kcontrol_new_t snd_ac97_controls_center[2] = {
 684 AC97_SINGLE("Center Playback Switch", AC97_CENTER_LFE_MASTER, 7, 1, 1),
 685 AC97_SINGLE("Center Playback Volume", AC97_CENTER_LFE_MASTER, 0, 31, 1)
 686 };
 687
 688 static const snd_kcontrol_new_t snd_ac97_controls_lfe[2] = {
 689 AC97_SINGLE("LFE Playback Switch", AC97_CENTER_LFE_MASTER, 15, 1, 1),
 690 AC97_SINGLE("LFE Playback Volume", AC97_CENTER_LFE_MASTER, 8, 31, 1)
 691 };
 692
 693 static const snd_kcontrol_new_t snd_ac97_controls_surround[2] = {
 694 AC97_DOUBLE("Surround Playback Switch", AC97_SURROUND_MASTER, 15, 7, 1, 1),
 695 AC97_DOUBLE("Surround Playback Volume", AC97_SURROUND_MASTER, 8, 0, 31, 1),
 696 };
 697
 698 static const snd_kcontrol_new_t snd_ac97_control_eapd =
 699 AC97_SINGLE("External Amplifier", AC97_POWERDOWN, 15, 1, 1);
 700
 701 static int snd_ac97_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 702 {
 703         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 704         uinfo->count = 1;
 705         return 0;
 706 }
 707
 708 static int snd_ac97_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 709 {
 710         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 711                                            IEC958_AES0_NONAUDIO |
 712                                            IEC958_AES0_CON_EMPHASIS_5015 |
 713                                            IEC958_AES0_CON_NOT_COPYRIGHT;
 714         ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
 715                                            IEC958_AES1_CON_ORIGINAL;
 716         ucontrol->value.iec958.status[3] = IEC958_AES3_CON_FS;
 717         return 0;
 718 }
 719
 720 static int snd_ac97_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 721 {
 722         /* FIXME: AC'97 spec doesn't say which bits are used for what */
 723         ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
 724                                            IEC958_AES0_NONAUDIO |
 725                                            IEC958_AES0_PRO_FS |
 726                                            IEC958_AES0_PRO_EMPHASIS_5015;
 727         return 0;
 728 }
 729
 730 static int snd_ac97_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 731 {
 732         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 733
 734         spin_lock(&ac97->reg_lock);
 735         ucontrol->value.iec958.status[0] = ac97->spdif_status & 0xff;
 736         ucontrol->value.iec958.status[1] = (ac97->spdif_status >> 8) & 0xff;
 737         ucontrol->value.iec958.status[2] = (ac97->spdif_status >> 16) & 0xff;
 738         ucontrol->value.iec958.status[3] = (ac97->spdif_status >> 24) & 0xff;
 739         spin_unlock(&ac97->reg_lock);
 740         return 0;
 741 }
 742
 743 static int snd_ac97_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
 744 {
 745         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 746         unsigned int new = 0;
 747         unsigned short val = 0;
 748         int change;
 749
 750         spin_lock(&ac97->reg_lock);
 751         new = val = ucontrol->value.iec958.status[0] & (IEC958_AES0_PROFESSIONAL|IEC958_AES0_NONAUDIO);
 752         if (ucontrol->value.iec958.status[0] & IEC958_AES0_PROFESSIONAL) {
 753                 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_PRO_FS|IEC958_AES0_PRO_EMPHASIS_5015);
 754                 switch (new & IEC958_AES0_PRO_FS) {
 755                 case IEC958_AES0_PRO_FS_44100: val |= 0<<12; break;
 756                 case IEC958_AES0_PRO_FS_48000: val |= 2<<12; break;
 757                 case IEC958_AES0_PRO_FS_32000: val |= 3<<12; break;
 758                 default:                       val |= 1<<12; break;
 759                 }
 760                 if ((new & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015)
 761                         val |= 1<<3;
 762         } else {
 763                 new |= ucontrol->value.iec958.status[0] & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT);
 764                 new |= ((ucontrol->value.iec958.status[1] & (IEC958_AES1_CON_CATEGORY|IEC958_AES1_CON_ORIGINAL)) << 8);
 765                 new |= ((ucontrol->value.iec958.status[3] & IEC958_AES3_CON_FS) << 24);
 766                 if ((new & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015)
 767                         val |= 1<<3;
 768                 if (!(new & IEC958_AES0_CON_NOT_COPYRIGHT))
 769                         val |= 1<<2;
 770                 val |= ((new >> 8) & 0xff) << 4;        // category + original
 771                 switch ((new >> 24) & 0xff) {
 772                 case IEC958_AES3_CON_FS_44100: val |= 0<<12; break;
 773                 case IEC958_AES3_CON_FS_48000: val |= 2<<12; break;
 774                 case IEC958_AES3_CON_FS_32000: val |= 3<<12; break;
 775                 default:                       val |= 1<<12; break;
 776                 }
 777         }
 778
 779         change = ac97->spdif_status != new;
 780         ac97->spdif_status = new;
 781         spin_unlock(&ac97->reg_lock);
 782
 783         if (ac97->flags & AC97_CS_SPDIF) {
 784                 int x = (val >> 12) & 0x03;
 785                 switch (x) {
 786                 case 0: x = 1; break;  // 44.1
 787                 case 2: x = 0; break;  // 48.0
 788                 default: x = 0; break; // illegal.
 789                 }
 790                 change |= snd_ac97_update_bits(ac97, AC97_CSR_SPDIF, 0x3fff, ((val & 0xcfff) | (x << 12)));
 791         } else if (ac97->flags & AC97_CX_SPDIF) {
 792                 int v;
 793                 v = new & (IEC958_AES0_CON_EMPHASIS_5015|IEC958_AES0_CON_NOT_COPYRIGHT) ? 0 : AC97_CXR_COPYRGT;
 794                 v |= new & IEC958_AES0_NONAUDIO ? AC97_CXR_SPDIF_AC3 : AC97_CXR_SPDIF_PCM;
 795                 change |= snd_ac97_update_bits(ac97, AC97_CXR_AUDIO_MISC,
 796                                                AC97_CXR_SPDIF_MASK | AC97_CXR_COPYRGT,
 797                                                v);
 798         } else {
 799                 unsigned short extst = ac97->regs[AC97_EXTENDED_STATUS];
 800                 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
 801
 802                 change |= snd_ac97_update_bits(ac97, AC97_SPDIF, 0x3fff, val);
 803                 if (extst & AC97_EA_SPDIF) {
 804                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
 805                 }
 806         }
 807
 808         return change;
 809 }
 810
 811 static int snd_ac97_put_spsa(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 812 {
 813         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 814         int reg = kcontrol->private_value & 0xff;
 815         int shift = (kcontrol->private_value >> 8) & 0xff;
 816         int mask = (kcontrol->private_value >> 16) & 0xff;
 817         // int invert = (kcontrol->private_value >> 24) & 0xff;
 818         unsigned short value, old, new;
 819
 820         value = (ucontrol->value.integer.value[0] & mask);
 821
 822         mask <<= shift;
 823         value <<= shift;
 824         spin_lock(&ac97->reg_lock);
 825         old = ac97->regs[reg];
 826         new = (old & ~mask) | value;
 827         spin_unlock(&ac97->reg_lock);
 828
 829         if (old != new) {
 830                 int change;
 831                 unsigned short extst = ac97->regs[AC97_EXTENDED_STATUS];
 832                 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0); /* turn off */
 833                 change = snd_ac97_update_bits(ac97, reg, mask, value);
 834                 if (extst & AC97_EA_SPDIF)
 835                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
 836                 return change;
 837         }
 838         return 0;
 839 }
 840
 841 const snd_kcontrol_new_t snd_ac97_controls_spdif[5] = {
 842         {
 843                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 844                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 845                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
 846                 .info = snd_ac97_spdif_mask_info,
 847                 .get = snd_ac97_spdif_cmask_get,
 848         },
 849         {
 850                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 851                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 852                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
 853                 .info = snd_ac97_spdif_mask_info,
 854                 .get = snd_ac97_spdif_pmask_get,
 855         },
 856         {
 857                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 858                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 859                 .info = snd_ac97_spdif_mask_info,
 860                 .get = snd_ac97_spdif_default_get,
 861                 .put = snd_ac97_spdif_default_put,
 862         },
 863
 864         AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),AC97_EXTENDED_STATUS, 2, 1, 0),
 865         {
 866                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 867                 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA",
 868                 .info = snd_ac97_info_single,
 869                 .get = snd_ac97_get_single,
 870                 .put = snd_ac97_put_spsa,
 871                 .private_value = AC97_EXTENDED_STATUS | (4 << 8) | (3 << 16) | (0 << 24),
 872         },
 873 };
 874
 875 #define AD18XX_PCM_BITS(xname, codec, lshift, rshift, mask) \
 876 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_bits, \
 877   .get = snd_ac97_ad18xx_pcm_get_bits, .put = snd_ac97_ad18xx_pcm_put_bits, \
 878   .private_value = (codec) | ((lshift) << 8) | ((rshift) << 12) | ((mask) << 24) }
 879
 880 static int snd_ac97_ad18xx_pcm_info_bits(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 881 {
 882         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 883         int mask = (kcontrol->private_value >> 16) & 0x0f;
 884         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 885         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 886
 887         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
 888         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
 889                 uinfo->count = 2;
 890         else
 891                 uinfo->count = 1;
 892         uinfo->value.integer.min = 0;
 893         uinfo->value.integer.max = mask;
 894         return 0;
 895 }
 896
 897 static int snd_ac97_ad18xx_pcm_get_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 898 {
 899         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 900         int codec = kcontrol->private_value & 3;
 901         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 902         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 903         int mask = (kcontrol->private_value >> 16) & 0xff;
 904
 905         ucontrol->value.integer.value[0] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> lshift) & mask);
 906         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES))
 907                 ucontrol->value.integer.value[1] = mask - ((ac97->spec.ad18xx.pcmreg[codec] >> rshift) & mask);
 908         return 0;
 909 }
 910
 911 static int snd_ac97_ad18xx_pcm_put_bits(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 912 {
 913         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 914         int codec = kcontrol->private_value & 3;
 915         int lshift = (kcontrol->private_value >> 8) & 0x0f;
 916         int rshift = (kcontrol->private_value >> 12) & 0x0f;
 917         int mask = (kcontrol->private_value >> 16) & 0xff;
 918         unsigned short val, valmask;
 919
 920         val = (mask - (ucontrol->value.integer.value[0] & mask)) << lshift;
 921         valmask = mask << lshift;
 922         if (lshift != rshift && (ac97->flags & AC97_STEREO_MUTES)) {
 923                 val |= (mask - (ucontrol->value.integer.value[1] & mask)) << rshift;
 924                 valmask |= mask << rshift;
 925         }
 926         return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, valmask, val);
 927 }
 928
 929 #define AD18XX_PCM_VOLUME(xname, codec) \
 930 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ac97_ad18xx_pcm_info_volume, \
 931   .get = snd_ac97_ad18xx_pcm_get_volume, .put = snd_ac97_ad18xx_pcm_put_volume, \
 932   .private_value = codec }
 933
 934 static int snd_ac97_ad18xx_pcm_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 935 {
 936         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 937         uinfo->count = 2;
 938         uinfo->value.integer.min = 0;
 939         uinfo->value.integer.max = 31;
 940         return 0;
 941 }
 942
 943 static int snd_ac97_ad18xx_pcm_get_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 944 {
 945         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 946         int codec = kcontrol->private_value & 3;
 947
 948         spin_lock(&ac97->reg_lock);
 949         ucontrol->value.integer.value[0] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 0) & 31);
 950         ucontrol->value.integer.value[1] = 31 - ((ac97->spec.ad18xx.pcmreg[codec] >> 8) & 31);
 951         spin_unlock(&ac97->reg_lock);
 952         return 0;
 953 }
 954
 955 static int snd_ac97_ad18xx_pcm_put_volume(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
 956 {
 957         ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
 958         int codec = kcontrol->private_value & 3;
 959         unsigned short val1, val2;
 960
 961         val1 = 31 - (ucontrol->value.integer.value[0] & 31);
 962         val2 = 31 - (ucontrol->value.integer.value[1] & 31);
 963         return snd_ac97_ad18xx_update_pcm_bits(ac97, codec, 0x1f1f, (val1 << 8) | val2);
 964 }
 965
 966 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_pcm[2] = {
 967 AD18XX_PCM_BITS("PCM Playback Switch", 0, 15, 7, 1),
 968 AD18XX_PCM_VOLUME("PCM Playback Volume", 0)
 969 };
 970
 971 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_surround[2] = {
 972 AD18XX_PCM_BITS("Surround Playback Switch", 1, 15, 7, 1),
 973 AD18XX_PCM_VOLUME("Surround Playback Volume", 1)
 974 };
 975
 976 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_center[2] = {
 977 AD18XX_PCM_BITS("Center Playback Switch", 2, 15, 15, 1),
 978 AD18XX_PCM_BITS("Center Playback Volume", 2, 8, 8, 31)
 979 };
 980
 981 static const snd_kcontrol_new_t snd_ac97_controls_ad18xx_lfe[2] = {
 982 AD18XX_PCM_BITS("LFE Playback Switch", 2, 7, 7, 1),
 983 AD18XX_PCM_BITS("LFE Playback Volume", 2, 0, 0, 31)
 984 };
 985
 986 /*
 987  *
 988  */
 989
 990 static int snd_ac97_bus_free(ac97_bus_t *bus)
 991 {
 992         if (bus) {
 993                 snd_ac97_bus_proc_done(bus);
 994                 if (bus->pcms)
 995                         kfree(bus->pcms);
 996                 if (bus->private_free)
 997                         bus->private_free(bus);
 998                 snd_magic_kfree(bus);
 999         }
1000         return 0;
1001 }
1002
1003 static int snd_ac97_bus_dev_free(snd_device_t *device)
1004 {
1005         ac97_bus_t *bus = snd_magic_cast(ac97_bus_t, device->device_data, return -ENXIO);
1006         return snd_ac97_bus_free(bus);
1007 }
1008
1009 static int snd_ac97_free(ac97_t *ac97)
1010 {
1011         if (ac97) {
1012                 snd_ac97_proc_done(ac97);
1013                 if (ac97->bus)
1014                         ac97->bus->codec[ac97->num] = NULL;
1015                 if (ac97->private_free)
1016                         ac97->private_free(ac97);
1017                 snd_magic_kfree(ac97);
1018         }
1019         return 0;
1020 }
1021
1022 static int snd_ac97_dev_free(snd_device_t *device)
1023 {
1024         ac97_t *ac97 = snd_magic_cast(ac97_t, device->device_data, return -ENXIO);
1025         return snd_ac97_free(ac97);
1026 }
1027
1028 static int snd_ac97_try_volume_mix(ac97_t * ac97, int reg)
1029 {
1030         unsigned short val, mask = 0x8000;
1031
1032         if (! snd_ac97_valid_reg(ac97, reg))
1033                 return 0;
1034
1035         switch (reg) {
1036         case AC97_MASTER_TONE:
1037                 return ac97->caps & 0x04 ? 1 : 0;
1038         case AC97_HEADPHONE:
1039                 return ac97->caps & 0x10 ? 1 : 0;
1040         case AC97_REC_GAIN_MIC:
1041                 return ac97->caps & 0x01 ? 1 : 0;
1042         case AC97_3D_CONTROL:
1043                 if (ac97->caps & 0x7c00) {
1044                         val = snd_ac97_read(ac97, reg);
1045                         /* if nonzero - fixed and we can't set it */
1046                         return val == 0;
1047                 }
1048                 return 0;
1049         case AC97_CENTER_LFE_MASTER:    /* center */
1050                 if ((ac97->ext_id & AC97_EI_CDAC) == 0)
1051                         return 0;
1052                 break;
1053         case AC97_CENTER_LFE_MASTER+1:  /* lfe */
1054                 if ((ac97->ext_id & AC97_EI_LDAC) == 0)
1055                         return 0;
1056                 reg = AC97_CENTER_LFE_MASTER;
1057                 mask = 0x0080;
1058                 break;
1059         case AC97_SURROUND_MASTER:
1060                 if ((ac97->ext_id & AC97_EI_SDAC) == 0)
1061                         return 0;
1062                 break;
1063         }
1064
1065         if (ac97->limited_regs && test_bit(reg, ac97->reg_accessed))
1066                 return 1; /* allow without check */
1067
1068         val = snd_ac97_read(ac97, reg);
1069         if (!(val & mask)) {
1070                 /* nothing seems to be here - mute flag is not set */
1071                 /* try another test */
1072                 snd_ac97_write_cache(ac97, reg, val | mask);
1073                 val = snd_ac97_read(ac97, reg);
1074                 if (!(val & mask))
1075                         return 0;       /* nothing here */
1076         }
1077         return 1;               /* success, useable */
1078 }
1079
1080 int snd_ac97_try_bit(ac97_t * ac97, int reg, int bit)
1081 {
1082         unsigned short mask, val, orig, res;
1083
1084         mask = 1 << bit;
1085         orig = snd_ac97_read(ac97, reg);
1086         val = orig ^ mask;
1087         snd_ac97_write(ac97, reg, val);
1088         res = snd_ac97_read(ac97, reg);
1089         snd_ac97_write_cache(ac97, reg, orig);
1090         return res == val;
1091 }
1092
1093 static void snd_ac97_change_volume_params1(ac97_t * ac97, int reg, unsigned char *max)
1094 {
1095         unsigned short val, val1;
1096
1097         *max = 63;
1098         val = 0x8000 | 0x0020;
1099         snd_ac97_write(ac97, reg, val);
1100         val1 = snd_ac97_read(ac97, reg);
1101         if (val != val1) {
1102                 *max = 31;
1103         }
1104         /* reset volume to zero */
1105         snd_ac97_write_cache(ac97, reg, 0x8000);
1106 }
1107
1108 static void snd_ac97_change_volume_params2(ac97_t * ac97, int reg, int shift, unsigned char *max)
1109 {
1110         unsigned short val, val1;
1111
1112         *max = 63;
1113         val = 0x8080 | (0x20 << shift);
1114         snd_ac97_write(ac97, reg, val);
1115         val1 = snd_ac97_read(ac97, reg);
1116         if (val != val1) {
1117                 *max = 31;
1118         }
1119         /* reset volume to zero */
1120         snd_ac97_write_cache(ac97, reg, 0x8080);
1121 }
1122
1123 static void snd_ac97_change_volume_params3(ac97_t * ac97, int reg, unsigned char *max)
1124 {
1125         unsigned short val, val1;
1126
1127         *max = 31;
1128         val = 0x8000 | 0x0010;
1129         snd_ac97_write(ac97, reg, val);
1130         val1 = snd_ac97_read(ac97, reg);
1131         if (val != val1) {
1132                 *max = 15;
1133         }
1134         /* reset volume to zero */
1135         snd_ac97_write_cache(ac97, reg, 0x8000);
1136 }
1137
1138 static inline int printable(unsigned int x)
1139 {
1140         x &= 0xff;
1141         if (x < ' ' || x >= 0x71) {
1142                 if (x <= 0x89)
1143                         return x - 0x71 + 'A';
1144                 return '?';
1145         }
1146         return x;
1147 }
1148
1149 snd_kcontrol_t *snd_ac97_cnew(const snd_kcontrol_new_t *_template, ac97_t * ac97)
1150 {
1151         snd_kcontrol_new_t template;
1152         memcpy(&template, _template, sizeof(template));
1153         snd_runtime_check(!template.index, return NULL);
1154         template.index = ac97->num;
1155         return snd_ctl_new1(&template, ac97);
1156 }
1157
1158 /*
1159  * create mute switch(es) for normal stereo controls
1160  */
1161 static int snd_ac97_cmute_new(snd_card_t *card, char *name, int reg, ac97_t *ac97)
1162 {
1163         snd_kcontrol_t *kctl;
1164         int stereo = 0;
1165
1166         if (ac97->flags & AC97_STEREO_MUTES) {
1167                 /* check whether both mute bits work */
1168                 unsigned short val, val1;
1169                 val = snd_ac97_read(ac97, reg);
1170                 val1 = val | 0x8080;
1171                 snd_ac97_write(ac97, reg, val1);
1172                 if (val1 == snd_ac97_read(ac97, reg))
1173                         stereo = 1;
1174                 snd_ac97_write(ac97, reg, val);
1175         }
1176         if (stereo) {
1177                 snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 15, 7, 1, 1);
1178                 tmp.index = ac97->num;
1179                 kctl = snd_ctl_new1(&tmp, ac97);
1180         } else {
1181                 snd_kcontrol_new_t tmp = AC97_SINGLE(name, reg, 15, 1, 1);
1182                 tmp.index = ac97->num;
1183                 kctl = snd_ctl_new1(&tmp, ac97);
1184         }
1185         return snd_ctl_add(card, kctl);
1186 }
1187
1188 /*
1189  * create volumes for normal stereo controls
1190  */
1191 static int snd_ac97_cvol_new(snd_card_t *card, char *name, int reg, unsigned int max, ac97_t *ac97)
1192 {
1193         int err;
1194         snd_kcontrol_new_t tmp = AC97_DOUBLE(name, reg, 8, 0, (unsigned int)max, 1);
1195         tmp.index = ac97->num;
1196         if ((err = snd_ctl_add(card, snd_ctl_new1(&tmp, ac97))) < 0)
1197                 return err;
1198         snd_ac97_write_cache(ac97, reg,
1199                              ((ac97->flags & AC97_STEREO_MUTES) ? 0x8080 : 0x8000) |
1200                              (unsigned short)max | ((unsigned short)max << 8));
1201         return 0;
1202 }
1203
1204 /*
1205  * create mute-switch and volumes for normal stereo controls
1206  */
1207 static int snd_ac97_cmix_new(snd_card_t *card, const char *pfx, int reg, int check_res, ac97_t *ac97)
1208 {
1209         int err;
1210         char name[44];
1211         unsigned char max;
1212
1213         sprintf(name, "%s Switch", pfx);
1214         if ((err = snd_ac97_cmute_new(card, name, reg, ac97)) < 0)
1215                 return err;
1216         sprintf(name, "%s Volume", pfx);
1217         if (check_res)
1218                 snd_ac97_change_volume_params1(ac97, reg, &max);
1219         else
1220                 max = 31; /* 5bit */
1221         if ((err = snd_ac97_cvol_new(card, name, reg, max, ac97)) < 0)
1222                 return err;
1223         return 0;
1224 }
1225
1226
1227 static int snd_ac97_mixer_build(ac97_t * ac97)
1228 {
1229         snd_card_t *card = ac97->bus->card;
1230         snd_kcontrol_t *kctl;
1231         int err;
1232         unsigned int idx;
1233         unsigned char max;
1234
1235         /* build master controls */
1236         /* AD claims to remove this control from AD1887, although spec v2.2 does not allow this */
1237         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER)) {
1238                 if ((err = snd_ac97_cmix_new(card, "Master Playback", AC97_MASTER, 1, ac97)) < 0)
1239                         return err;
1240         }
1241
1242         ac97->regs[AC97_CENTER_LFE_MASTER] = 0x8080;
1243
1244         /* build center controls */
1245         if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER)) {
1246                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_center[0], ac97))) < 0)
1247                         return err;
1248                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_center[1], ac97))) < 0)
1249                         return err;
1250                 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max);
1251                 kctl->private_value &= ~(0xff << 16);
1252                 kctl->private_value |= (int)max << 16;
1253                 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max);
1254         }
1255
1256         /* build LFE controls */
1257         if (snd_ac97_try_volume_mix(ac97, AC97_CENTER_LFE_MASTER+1)) {
1258                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_lfe[0], ac97))) < 0)
1259                         return err;
1260                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_lfe[1], ac97))) < 0)
1261                         return err;
1262                 snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max);
1263                 kctl->private_value &= ~(0xff << 16);
1264                 kctl->private_value |= (int)max << 16;
1265                 snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8);
1266         }
1267
1268         /* build surround controls */
1269         if (snd_ac97_try_volume_mix(ac97, AC97_SURROUND_MASTER)) {
1270                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_surround[0], ac97))) < 0)
1271                         return err;
1272                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_surround[1], ac97))) < 0)
1273                         return err;
1274                 snd_ac97_change_volume_params2(ac97, AC97_SURROUND_MASTER, 0, &max);
1275                 kctl->private_value &= ~(0xff << 16);
1276                 kctl->private_value |= (int)max << 16;
1277                 snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x8080 | max | (max << 8));
1278         }
1279
1280         /* build headphone controls */
1281         if (snd_ac97_try_volume_mix(ac97, AC97_HEADPHONE) || ac97->id == AC97_ID_STAC9708) {
1282                 const char *name = ac97->id == AC97_ID_STAC9708 ?
1283                         "Sigmatel Surround Playback" :
1284                         "Headphone Playback";
1285                 if ((err = snd_ac97_cmix_new(card, name, AC97_HEADPHONE, 1, ac97)) < 0)
1286                         return err;
1287         }
1288
1289         /* build master mono controls */
1290         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_MONO)) {
1291                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_master_mono[0], ac97))) < 0)
1292                         return err;
1293                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_master_mono[1], ac97))) < 0)
1294                         return err;
1295                 snd_ac97_change_volume_params1(ac97, AC97_MASTER_MONO, &max);
1296                 kctl->private_value &= ~(0xff << 16);
1297                 kctl->private_value |= (int)max << 16;
1298                 snd_ac97_write_cache(ac97, AC97_MASTER_MONO, 0x8000 | max);
1299         }
1300
1301         /* build master tone controls */
1302         if (snd_ac97_try_volume_mix(ac97, AC97_MASTER_TONE)) {
1303                 for (idx = 0; idx < 2; idx++) {
1304                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_tone[idx], ac97))) < 0)
1305                                 return err;
1306                         if (ac97->id == AC97_ID_YMF753) {
1307                                 kctl->private_value &= ~(0xff << 16);
1308                                 kctl->private_value |= 7 << 16;
1309                         }
1310                 }
1311                 snd_ac97_write_cache(ac97, AC97_MASTER_TONE, 0x0f0f);
1312         }
1313
1314         /* build PC Speaker controls */
1315         if ((ac97->flags & AC97_HAS_PC_BEEP) ||
1316             snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP)) {
1317                 for (idx = 0; idx < 2; idx++)
1318                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0)
1319                                 return err;
1320                 snd_ac97_write_cache(ac97, AC97_PC_BEEP, 0x801e);
1321         }
1322
1323         /* build Phone controls */
1324         if (snd_ac97_try_volume_mix(ac97, AC97_PHONE)) {
1325                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_phone[0], ac97))) < 0)
1326                         return err;
1327                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_phone[1], ac97))) < 0)
1328                         return err;
1329                 snd_ac97_change_volume_params3(ac97, AC97_PHONE, &max);
1330                 kctl->private_value &= ~(0xff << 16);
1331                 kctl->private_value |= (int)max << 16;
1332                 snd_ac97_write_cache(ac97, AC97_PHONE, 0x8000 | max);
1333         }
1334
1335         /* build MIC controls */
1336         snd_ac97_change_volume_params3(ac97, AC97_MIC, &max);
1337         for (idx = 0; idx < 3; idx++) {
1338                 if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic[idx], ac97))) < 0)
1339                         return err;
1340                 if (idx == 1) {         // volume
1341                         kctl->private_value &= ~(0xff << 16);
1342                         kctl->private_value |= (int)max << 16;
1343                 }
1344         }
1345         snd_ac97_write_cache(ac97, AC97_MIC, 0x8000 | max);
1346
1347         /* build Line controls */
1348         if ((err = snd_ac97_cmix_new(card, "Line Playback", AC97_LINE, 0, ac97)) < 0)
1349                 return err;
1350
1351         /* build CD controls */
1352         if ((err = snd_ac97_cmix_new(card, "CD Playback", AC97_CD, 0, ac97)) < 0)
1353                 return err;
1354
1355         /* build Video controls */
1356         if (snd_ac97_try_volume_mix(ac97, AC97_VIDEO)) {
1357                 if ((err = snd_ac97_cmix_new(card, "Video Playback", AC97_VIDEO, 0, ac97)) < 0)
1358                         return err;
1359         }
1360
1361         /* build Aux controls */
1362         if (snd_ac97_try_volume_mix(ac97, AC97_AUX)) {
1363                 if ((err = snd_ac97_cmix_new(card, "Aux Playback", AC97_AUX, 0, ac97)) < 0)
1364                         return err;
1365         }
1366
1367         /* build PCM controls */
1368         if (ac97->flags & AC97_AD_MULTI) {
1369                 unsigned short init_val;
1370                 if (ac97->flags & AC97_STEREO_MUTES)
1371                         init_val = 0x9f9f;
1372                 else
1373                         init_val = 0x9f1f;
1374                 for (idx = 0; idx < 2; idx++)
1375                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0)
1376                                 return err;
1377                 ac97->spec.ad18xx.pcmreg[0] = init_val;
1378                 if (ac97->scaps & AC97_SCAP_SURROUND_DAC) {
1379                         for (idx = 0; idx < 2; idx++)
1380                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0)
1381                                         return err;
1382                         ac97->spec.ad18xx.pcmreg[1] = init_val;
1383                 }
1384                 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) {
1385                         for (idx = 0; idx < 2; idx++)
1386                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0)
1387                                         return err;
1388                         for (idx = 0; idx < 2; idx++)
1389                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0)
1390                                         return err;
1391                         ac97->spec.ad18xx.pcmreg[2] = init_val;
1392                 }
1393                 snd_ac97_write_cache(ac97, AC97_PCM, init_val);
1394         } else {
1395                 if ((err = snd_ac97_cmute_new(card, "PCM Playback Switch", AC97_PCM, ac97)) < 0)
1396                         return err;
1397                 /* FIXME: C-Media chips have no PCM volume!! */
1398                 if (/*ac97->id == 0x434d4941 ||*/
1399                     ac97->id == 0x434d4942 ||
1400                     ac97->id == 0x434d4961)
1401                         snd_ac97_write_cache(ac97, AC97_PCM, 0x9f1f);
1402                 else {
1403                         if ((err = snd_ac97_cvol_new(card, "PCM Playback Volume", AC97_PCM, 31, ac97)) < 0)
1404                                 return err;
1405                 }
1406         }
1407
1408         /* build Capture controls */
1409         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_src, ac97))) < 0)
1410                 return err;
1411         if ((err = snd_ac97_cmute_new(card, "Capture Switch", AC97_REC_GAIN, ac97)) < 0)
1412                 return err;
1413         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0)
1414                 return err;
1415         snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000);
1416         snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000);
1417
1418         /* build MIC Capture controls */
1419         if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) {
1420                 for (idx = 0; idx < 2; idx++)
1421                         if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0)
1422                                 return err;
1423                 snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000);
1424         }
1425
1426         /* build PCM out path & mute control */
1427         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 15)) {
1428                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_PCM_OUT], ac97))) < 0)
1429                         return err;
1430         }
1431
1432         /* build Simulated Stereo Enhancement control */
1433         if (ac97->caps & 0x0008) {
1434                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_STEREO_ENHANCEMENT], ac97))) < 0)
1435                         return err;
1436         }
1437
1438         /* build 3D Stereo Enhancement control */
1439         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 13)) {
1440                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_3D], ac97))) < 0)
1441                         return err;
1442         }
1443
1444         /* build Loudness control */
1445         if (ac97->caps & 0x0020) {
1446                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOUDNESS], ac97))) < 0)
1447                         return err;
1448         }
1449
1450         /* build Mono output select control */
1451         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 9)) {
1452                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MONO], ac97))) < 0)
1453                         return err;
1454         }
1455
1456         /* build Mic select control */
1457         if (snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 8)) {
1458                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_MIC], ac97))) < 0)
1459                         return err;
1460         }
1461
1462         /* build ADC/DAC loopback control */
1463         if (enable_loopback && snd_ac97_try_bit(ac97, AC97_GENERAL_PURPOSE, 7)) {
1464                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_general[AC97_GENERAL_LOOPBACK], ac97))) < 0)
1465                         return err;
1466         }
1467
1468         snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0x0000);
1469
1470         /* build 3D controls */
1471         if (ac97->build_ops && ac97->build_ops->build_3d) {
1472                 ac97->build_ops->build_3d(ac97);
1473         } else {
1474                 if (snd_ac97_try_volume_mix(ac97, AC97_3D_CONTROL)) {
1475                         unsigned short val;
1476                         val = 0x0707;
1477                         snd_ac97_write(ac97, AC97_3D_CONTROL, val);
1478                         val = snd_ac97_read(ac97, AC97_3D_CONTROL);
1479                         val = val == 0x0606;
1480                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
1481                                 return err;
1482                         if (val)
1483                                 kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
1484                         if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[1], ac97))) < 0)
1485                                 return err;
1486                         if (val)
1487                                 kctl->private_value = AC97_3D_CONTROL | (1 << 8) | (7 << 16);
1488                         snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
1489                 }
1490         }
1491
1492         /* build S/PDIF controls */
1493         if (ac97->ext_id & AC97_EI_SPDIF) {
1494                 if (ac97->build_ops && ac97->build_ops->build_spdif) {
1495                         if ((err = ac97->build_ops->build_spdif(ac97)) < 0)
1496                                 return err;
1497                 } else {
1498                         for (idx = 0; idx < 5; idx++)
1499                                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_spdif[idx], ac97))) < 0)
1500                                         return err;
1501                         if (ac97->build_ops && ac97->build_ops->build_post_spdif) {
1502                                 if ((err = ac97->build_ops->build_post_spdif(ac97)) < 0)
1503                                         return err;
1504                         }
1505                         /* set default PCM S/PDIF params */
1506                         /* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
1507                         snd_ac97_write_cache(ac97, AC97_SPDIF, 0x2a20);
1508                 }
1509                 ac97->spdif_status = SNDRV_PCM_DEFAULT_CON_SPDIF;
1510         }
1511
1512         /* build chip specific controls */
1513         if (ac97->build_ops && ac97->build_ops->build_specific)
1514                 if ((err = ac97->build_ops->build_specific(ac97)) < 0)
1515                         return err;
1516
1517         if (snd_ac97_try_bit(ac97, AC97_POWERDOWN, 15)) {
1518                 if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_eapd, ac97))) < 0)
1519                         return err;
1520         }
1521
1522         return 0;
1523 }
1524
1525 static int snd_ac97_modem_build(snd_card_t * card, ac97_t * ac97)
1526 {
1527         /* TODO */
1528         //printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
1529         snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
1530         snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
1531         snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);
1532         snd_ac97_write(ac97, AC97_GPIO_WAKEUP, 0x0);
1533         snd_ac97_write(ac97, AC97_MISC_AFE, 0x0);
1534         return 0;
1535 }
1536
1537 static int snd_ac97_test_rate(ac97_t *ac97, int reg, int shadow_reg, int rate)
1538 {
1539         unsigned short val;
1540         unsigned int tmp;
1541
1542         tmp = ((unsigned int)rate * ac97->bus->clock) / 48000;
1543         snd_ac97_write_cache(ac97, reg, tmp & 0xffff);
1544         if (shadow_reg)
1545                 snd_ac97_write_cache(ac97, shadow_reg, tmp & 0xffff);
1546         val = snd_ac97_read(ac97, reg);
1547         return val == (tmp & 0xffff);
1548 }
1549
1550 static void snd_ac97_determine_rates(ac97_t *ac97, int reg, int shadow_reg, unsigned int *r_result)
1551 {
1552         unsigned int result = 0;
1553
1554         /* test a non-standard rate */
1555         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11000))
1556                 result |= SNDRV_PCM_RATE_CONTINUOUS;
1557         /* let's try to obtain standard rates */
1558         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 8000))
1559                 result |= SNDRV_PCM_RATE_8000;
1560         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 11025))
1561                 result |= SNDRV_PCM_RATE_11025;
1562         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 16000))
1563                 result |= SNDRV_PCM_RATE_16000;
1564         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 22050))
1565                 result |= SNDRV_PCM_RATE_22050;
1566         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 32000))
1567                 result |= SNDRV_PCM_RATE_32000;
1568         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 44100))
1569                 result |= SNDRV_PCM_RATE_44100;
1570         if (snd_ac97_test_rate(ac97, reg, shadow_reg, 48000))
1571                 result |= SNDRV_PCM_RATE_48000;
1572         *r_result = result;
1573 }
1574
1575 void snd_ac97_get_name(ac97_t *ac97, unsigned int id, char *name, int modem)
1576 {
1577         const ac97_codec_id_t *pid;
1578
1579         sprintf(name, "0x%x %c%c%c", id,
1580                 printable(id >> 24),
1581                 printable(id >> 16),
1582                 printable(id >> 8));
1583         for (pid = snd_ac97_codec_id_vendors; pid->id; pid++)
1584                 if (pid->id == (id & pid->mask)) {
1585                         strcpy(name, pid->name);
1586                         if (ac97) {
1587                                 if (!modem && pid->patch)
1588                                         pid->patch(ac97);
1589                                 else if (modem && pid->mpatch)
1590                                         pid->mpatch(ac97);
1591                         }
1592                         goto __vendor_ok;
1593                 }
1594         return;
1595
1596       __vendor_ok:
1597         for (pid = snd_ac97_codec_ids; pid->id; pid++)
1598                 if (pid->id == (id & pid->mask)) {
1599                         strcat(name, " ");
1600                         strcat(name, pid->name);
1601                         if (pid->mask != 0xffffffff)
1602                                 sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
1603                         if (ac97) {
1604                                 if (!modem && pid->patch)
1605                                         pid->patch(ac97);
1606                                 else if (modem && pid->mpatch)
1607                                         pid->mpatch(ac97);
1608                         }
1609                         return;
1610                 }
1611         sprintf(name + strlen(name), " id %x", id & 0xff);
1612 }
1613
1614
1615 /* wait for a while until registers are accessible after RESET
1616  * return 0 if ok, negative not ready
1617  */
1618 static int ac97_reset_wait(ac97_t *ac97, int timeout, int with_modem)
1619 {
1620         unsigned long end_time;
1621         end_time = jiffies + timeout;
1622         do {
1623                 unsigned short ext_mid;
1624
1625                 /* use preliminary reads to settle the communication */
1626                 snd_ac97_read(ac97, AC97_RESET);
1627                 snd_ac97_read(ac97, AC97_VENDOR_ID1);
1628                 snd_ac97_read(ac97, AC97_VENDOR_ID2);
1629                 /* modem? */
1630                 if (with_modem) {
1631                         ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1632                         if (ext_mid != 0xffff && (ext_mid & 1) != 0)
1633                                 return 0;
1634                 }
1635                 /* because the PCM or MASTER volume registers can be modified,
1636                  * the REC_GAIN register is used for tests
1637                  */
1638                 /* test if we can write to the record gain volume register */
1639                 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a05);
1640                 if (snd_ac97_read(ac97, AC97_REC_GAIN) == 0x8a05)
1641                         return 0;
1642                 set_current_state(TASK_UNINTERRUPTIBLE);
1643                 schedule_timeout(HZ/100);
1644         } while (time_after_eq(end_time, jiffies));
1645         return -ENODEV;
1646 }
1647
1648 /**
1649  * snd_ac97_bus - create an AC97 bus component
1650  * @card: the card instance
1651  * @_bus: the template of AC97 bus, callbacks and
1652  *         the private data.
1653  * @rbus: the pointer to store the new AC97 bus instance.
1654  *
1655  * Creates an AC97 bus component.  An ac97_bus_t instance is newly
1656  * allocated and initialized from the template (_bus).
1657  *
1658  * The template must include the valid callbacks (at least read and
1659  * write), the bus number (num), and the private data (private_data).
1660  * The other callbacks, wait and reset, are not mandatory.
1661  *
1662  * The clock is set to 48000.  If another clock is needed, set
1663  * bus->clock manually.
1664  *
1665  * The AC97 bus instance is registered as a low-level device, so you don't
1666  * have to release it manually.
1667  *
1668  * Returns zero if successful, or a negative error code on failure.
1669  */
1670 int snd_ac97_bus(snd_card_t * card, ac97_bus_t * _bus, ac97_bus_t ** rbus)
1671 {
1672         int err;
1673         ac97_bus_t *bus;
1674         static snd_device_ops_t ops = {
1675                 .dev_free =     snd_ac97_bus_dev_free,
1676         };
1677
1678         snd_assert(card != NULL, return -EINVAL);
1679         snd_assert(_bus != NULL && rbus != NULL, return -EINVAL);
1680         bus = snd_magic_kmalloc(ac97_bus_t, 0, GFP_KERNEL);
1681         if (bus == NULL)
1682                 return -ENOMEM;
1683         *bus = *_bus;
1684         bus->card = card;
1685         if (bus->clock == 0)
1686                 bus->clock = 48000;
1687         spin_lock_init(&bus->bus_lock);
1688         snd_ac97_bus_proc_init(bus);
1689         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, bus, &ops)) < 0) {
1690                 snd_ac97_bus_free(bus);
1691                 return err;
1692         }
1693         *rbus = bus;
1694         return 0;
1695 }
1696
1697 /**
1698  * snd_ac97_mixer - create an Codec97 component
1699  * @bus: the AC97 bus which codec is attached to
1700  * @_ac97: the template of ac97, including index, callbacks and
1701  *         the private data.
1702  * @rac97: the pointer to store the new ac97 instance.
1703  *
1704  * Creates an Codec97 component.  An ac97_t instance is newly
1705  * allocated and initialized from the template (_ac97).  The codec
1706  * is then initialized by the standard procedure.
1707  *
1708  * The template must include the valid callbacks (at least read and
1709  * write), the codec number (num) and address (addr), and the private
1710  * data (private_data).  The other callbacks, wait and reset, are not
1711  * mandatory.
1712  *
1713  * The ac97 instance is registered as a low-level device, so you don't
1714  * have to release it manually.
1715  *
1716  * Returns zero if successful, or a negative error code on failure.
1717  */
1718 int snd_ac97_mixer(ac97_bus_t * bus, ac97_t * _ac97, ac97_t ** rac97)
1719 {
1720         int err;
1721         ac97_t *ac97;
1722         snd_card_t *card;
1723         char name[64];
1724         unsigned long end_time;
1725         unsigned int reg;
1726         static snd_device_ops_t ops = {
1727                 .dev_free =     snd_ac97_dev_free,
1728         };
1729
1730         snd_assert(rac97 != NULL, return -EINVAL);
1731         *rac97 = NULL;
1732         snd_assert(bus != NULL && _ac97 != NULL, return -EINVAL);
1733         snd_assert(_ac97->num < 4 && bus->codec[_ac97->num] == NULL, return -EINVAL);
1734         card = bus->card;
1735         ac97 = snd_magic_kmalloc(ac97_t, 0, GFP_KERNEL);
1736         if (ac97 == NULL)
1737                 return -ENOMEM;
1738         *ac97 = *_ac97;
1739         ac97->bus = bus;
1740         bus->codec[ac97->num] = ac97;
1741         spin_lock_init(&ac97->reg_lock);
1742
1743         if (ac97->pci) {
1744                 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_VENDOR_ID, &ac97->subsystem_vendor);
1745                 pci_read_config_word(ac97->pci, PCI_SUBSYSTEM_ID, &ac97->subsystem_device);
1746         }
1747         if (bus->reset) {
1748                 bus->reset(ac97);
1749                 goto __access_ok;
1750         }
1751
1752         snd_ac97_write(ac97, AC97_RESET, 0);    /* reset to defaults */
1753         if (bus->wait)
1754                 bus->wait(ac97);
1755         else {
1756                 udelay(50);
1757                 if (ac97_reset_wait(ac97, HZ/2, 0) < 0 &&
1758                     ac97_reset_wait(ac97, HZ/2, 1) < 0) {
1759                         snd_printk(KERN_WARNING "AC'97 %d does not respond - RESET\n", ac97->num);
1760                         /* proceed anyway - it's often non-critical */
1761                 }
1762         }
1763       __access_ok:
1764         ac97->id = snd_ac97_read(ac97, AC97_VENDOR_ID1) << 16;
1765         ac97->id |= snd_ac97_read(ac97, AC97_VENDOR_ID2);
1766         if (ac97->id == 0x00000000 || ac97->id == 0xffffffff) {
1767                 snd_printk(KERN_ERR "AC'97 %d access is not valid [0x%x], removing mixer.\n", ac97->num, ac97->id);
1768                 snd_ac97_free(ac97);
1769                 return -EIO;
1770         }
1771         /* AC97 audio codec chip revision detection. */
1772         /* Currently only Realtek ALC650 detection implemented. */
1773         switch(ac97->id & 0xfffffff0) {
1774         case 0x414c4720:        /* ALC650 */
1775                 reg = snd_ac97_read(ac97, AC97_ALC650_REVISION);
1776                 if (((reg & 0x3f) >= 0) && ((reg & 0x3f) < 3))
1777                         ac97->id = 0x414c4720;          /* Old version */
1778                 else if (((reg & 0x3f) >= 3) && ((reg & 0x3f) < 0x10))
1779                         ac97->id = 0x414c4721;          /* D version */
1780                 else if ((reg&0x30) == 0x10)
1781                         ac97->id = 0x414c4722;          /* E version */
1782                 else if ((reg&0x30) == 0x20)
1783                         ac97->id = 0x414c4723;          /* F version */
1784         }
1785
1786         /* test for AC'97 */
1787         if (!(ac97->scaps & AC97_SCAP_SKIP_AUDIO) && !(ac97->scaps & AC97_SCAP_AUDIO)) {
1788                 /* test if we can write to the record gain volume register */
1789                 snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x8a06);
1790                 if ((err = snd_ac97_read(ac97, AC97_REC_GAIN)) == 0x8a06)
1791                         ac97->scaps |= AC97_SCAP_AUDIO;
1792         }
1793         if (ac97->scaps & AC97_SCAP_AUDIO) {
1794                 ac97->caps = snd_ac97_read(ac97, AC97_RESET);
1795                 ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1796                 if (ac97->ext_id == 0xffff)     /* invalid combination */
1797                         ac97->ext_id = 0;
1798         }
1799
1800         /* test for MC'97 */
1801         if (!(ac97->scaps & AC97_SCAP_SKIP_MODEM) && !(ac97->scaps & AC97_SCAP_MODEM)) {
1802                 ac97->ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID);
1803                 if (ac97->ext_mid == 0xffff)    /* invalid combination */
1804                         ac97->ext_mid = 0;
1805                 if (ac97->ext_mid & 1)
1806                         ac97->scaps |= AC97_SCAP_MODEM;
1807         }
1808
1809         if (!ac97_is_audio(ac97) && !ac97_is_modem(ac97)) {
1810                 if (!(ac97->scaps & (AC97_SCAP_SKIP_AUDIO|AC97_SCAP_SKIP_MODEM)))
1811                         snd_printk(KERN_ERR "AC'97 %d access error (not audio or modem codec)\n", ac97->num);
1812                 snd_ac97_free(ac97);
1813                 return -EACCES;
1814         }
1815
1816         if (bus->reset) // FIXME: always skipping?
1817                 goto __ready_ok;
1818
1819         /* FIXME: add powerdown control */
1820         if (ac97_is_audio(ac97)) {
1821                 /* nothing should be in powerdown mode */
1822                 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1823                 snd_ac97_write_cache(ac97, AC97_RESET, 0);              /* reset to defaults */
1824                 udelay(100);
1825                 /* nothing should be in powerdown mode */
1826                 snd_ac97_write_cache(ac97, AC97_POWERDOWN, 0);
1827                 snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0);
1828                 end_time = jiffies + (HZ / 10);
1829                 do {
1830                         if ((snd_ac97_read(ac97, AC97_POWERDOWN) & 0x0f) == 0x0f)
1831                                 goto __ready_ok;
1832                         set_current_state(TASK_UNINTERRUPTIBLE);
1833                         schedule_timeout(HZ/10);
1834                 } while (time_after_eq(end_time, jiffies));
1835                 snd_printk(KERN_ERR "AC'97 %d analog subsections not ready\n", ac97->num);
1836         }
1837
1838         /* FIXME: add powerdown control */
1839         if (ac97_is_modem(ac97)) {
1840                 unsigned char tmp;
1841
1842                 /* nothing should be in powerdown mode */
1843                 /* note: it's important to set the rate at first */
1844                 tmp = AC97_MEA_GPIO;
1845                 if (ac97->ext_mid & AC97_MEI_LINE1) {
1846                         snd_ac97_write_cache(ac97, AC97_LINE1_RATE, 12000);
1847                         tmp |= AC97_MEA_ADC1 | AC97_MEA_DAC1;
1848                 }
1849                 if (ac97->ext_mid & AC97_MEI_LINE2) {
1850                         snd_ac97_write_cache(ac97, AC97_LINE2_RATE, 12000);
1851                         tmp |= AC97_MEA_ADC2 | AC97_MEA_DAC2;
1852                 }
1853                 if (ac97->ext_mid & AC97_MEI_HANDSET) {
1854                         snd_ac97_write_cache(ac97, AC97_HANDSET_RATE, 12000);
1855                         tmp |= AC97_MEA_HADC | AC97_MEA_HDAC;
1856                 }
1857                 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1858                 udelay(100);
1859                 /* nothing should be in powerdown mode */
1860                 snd_ac97_write_cache(ac97, AC97_EXTENDED_MSTATUS, 0xff00 & ~(tmp << 8));
1861                 end_time = jiffies + (HZ / 10);
1862                 do {
1863                         if ((snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS) & tmp) == tmp)
1864                                 goto __ready_ok;
1865                         set_current_state(TASK_UNINTERRUPTIBLE);
1866                         schedule_timeout(HZ/10);
1867                 } while (time_after_eq(end_time, jiffies));
1868                 snd_printk(KERN_ERR "MC'97 %d converters and GPIO not ready (0x%x)\n", ac97->num, snd_ac97_read(ac97, AC97_EXTENDED_MSTATUS));
1869         }
1870
1871       __ready_ok:
1872         if (ac97_is_audio(ac97))
1873                 ac97->addr = (ac97->ext_id & AC97_EI_ADDR_MASK) >> AC97_EI_ADDR_SHIFT;
1874         else
1875                 ac97->addr = (ac97->ext_mid & AC97_MEI_ADDR_MASK) >> AC97_MEI_ADDR_SHIFT;
1876         if (ac97->ext_id & 0x0189)      /* L/R, MIC, SDAC, LDAC VRA support */
1877                 snd_ac97_write_cache(ac97, AC97_EXTENDED_STATUS, ac97->ext_id & 0x0189);
1878         if (ac97->ext_id & AC97_EI_VRA) {       /* VRA support */
1879                 snd_ac97_determine_rates(ac97, AC97_PCM_FRONT_DAC_RATE, 0, &ac97->rates[AC97_RATES_FRONT_DAC]);
1880                 snd_ac97_determine_rates(ac97, AC97_PCM_LR_ADC_RATE, 0, &ac97->rates[AC97_RATES_ADC]);
1881         } else {
1882                 ac97->rates[AC97_RATES_FRONT_DAC] = SNDRV_PCM_RATE_48000;
1883                 ac97->rates[AC97_RATES_ADC] = SNDRV_PCM_RATE_48000;
1884         }
1885         if (ac97->ext_id & AC97_EI_SPDIF) {
1886                 /* codec specific code (patch) should override these values */
1887                 if (ac97->flags & AC97_CS_SPDIF)
1888                         ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100;
1889                 else if (ac97->id == AC97_ID_CM9739)
1890                         ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000;
1891                 else
1892                         ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_48000 |
1893                                                 SNDRV_PCM_RATE_44100 |
1894                                                 SNDRV_PCM_RATE_32000;
1895         }
1896         if (ac97->ext_id & AC97_EI_VRM) {       /* MIC VRA support */
1897                 snd_ac97_determine_rates(ac97, AC97_PCM_MIC_ADC_RATE, 0, &ac97->rates[AC97_RATES_MIC_ADC]);
1898         } else {
1899                 ac97->rates[AC97_RATES_MIC_ADC] = SNDRV_PCM_RATE_48000;
1900         }
1901         if (ac97->ext_id & AC97_EI_SDAC) {      /* SDAC support */
1902                 snd_ac97_determine_rates(ac97, AC97_PCM_SURR_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_SURR_DAC]);
1903                 ac97->scaps |= AC97_SCAP_SURROUND_DAC;
1904         }
1905         if (ac97->ext_id & AC97_EI_LDAC) {      /* LDAC support */
1906                 snd_ac97_determine_rates(ac97, AC97_PCM_LFE_DAC_RATE, AC97_PCM_FRONT_DAC_RATE, &ac97->rates[AC97_RATES_LFE_DAC]);
1907                 ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
1908         }
1909         /* additional initializations */
1910         if (bus->init)
1911                 bus->init(ac97);
1912         snd_ac97_get_name(ac97, ac97->id, name, 0);
1913         snd_ac97_get_name(NULL, ac97->id, name, 0);  // ac97->id might be changed in the special setup code
1914         if (ac97_is_audio(ac97)) {
1915                 if (card->mixername[0] == '\0') {
1916                         strcpy(card->mixername, name);
1917                 } else {
1918                         if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
1919                                 strcat(card->mixername, ",");
1920                                 strcat(card->mixername, name);
1921                         }
1922                 }
1923                 if ((err = snd_component_add(card, "AC97a")) < 0) {
1924                         snd_ac97_free(ac97);
1925                         return err;
1926                 }
1927                 if (snd_ac97_mixer_build(ac97) < 0) {
1928                         snd_ac97_free(ac97);
1929                         return -ENOMEM;
1930                 }
1931         }
1932         if (ac97_is_modem(ac97)) {
1933                 if (card->mixername[0] == '\0') {
1934                         strcpy(card->mixername, name);
1935                 } else {
1936                         if (strlen(card->mixername) + 1 + strlen(name) + 1 <= sizeof(card->mixername)) {
1937                                 strcat(card->mixername, ",");
1938                                 strcat(card->mixername, name);
1939                         }
1940                 }
1941                 if ((err = snd_component_add(card, "AC97m")) < 0) {
1942                         snd_ac97_free(ac97);
1943                         return err;
1944                 }
1945                 if (snd_ac97_modem_build(card, ac97) < 0) {
1946                         snd_ac97_free(ac97);
1947                         return -ENOMEM;
1948                 }
1949         }
1950         /* make sure the proper powerdown bits are cleared */
1951         if (ac97->scaps) {
1952                 reg = snd_ac97_read(ac97, AC97_EXTENDED_ID);
1953                 if (ac97->scaps & AC97_SCAP_SURROUND_DAC)
1954                         reg &= ~AC97_EA_PRJ;
1955                 if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC)
1956                         reg &= ~(AC97_EA_PRI | AC97_EA_PRK);
1957                 snd_ac97_write_cache(ac97, AC97_EXTENDED_ID, reg);
1958         }
1959         snd_ac97_proc_init(ac97);
1960         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ac97, &ops)) < 0) {
1961                 snd_ac97_free(ac97);
1962                 return err;
1963         }
1964         *rac97 = ac97;
1965         return 0;
1966 }
1967
1968 #ifdef CONFIG_PM
1969 /**
1970  * snd_ac97_suspend - General suspend function for AC97 codec
1971  * @ac97: the ac97 instance
1972  *
1973  * Suspends the codec, power down the chip.
1974  */
1975 void snd_ac97_suspend(ac97_t *ac97)
1976 {
1977         unsigned short power = (ac97->regs[AC97_POWERDOWN] ^ 0x8000) & ~0x8000; /* invert EAPD */
1978
1979         power |= 0x4000;        /* Headphone amplifier powerdown */
1980         power |= 0x0300;        /* ADC & DAC powerdown */
1981         snd_ac97_write(ac97, AC97_POWERDOWN, power);
1982         udelay(100);
1983         power |= 0x0400;        /* Analog Mixer powerdown (Vref on) */
1984         snd_ac97_write(ac97, AC97_POWERDOWN, power);
1985         udelay(100);
1986         power |= 0x3800;        /* AC-link powerdown, internal Clk disable */
1987         snd_ac97_write(ac97, AC97_POWERDOWN, power);
1988 }
1989
1990 /**
1991  * snd_ac97_resume - General resume function for AC97 codec
1992  * @ac97: the ac97 instance
1993  *
1994  * Do the standard resume procedure, power up and restoring the
1995  * old register values.
1996  */
1997 void snd_ac97_resume(ac97_t *ac97)
1998 {
1999         int i, is_ad18xx, codec;
2000
2001         if (ac97->bus->reset) {
2002                 ac97->bus->reset(ac97);
2003                 goto  __reset_ready;
2004         }
2005
2006         snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2007         snd_ac97_write(ac97, AC97_RESET, 0);
2008         udelay(100);
2009         snd_ac97_write(ac97, AC97_POWERDOWN, 0);
2010         snd_ac97_write(ac97, AC97_GENERAL_PURPOSE, 0);
2011
2012         snd_ac97_write(ac97, AC97_POWERDOWN, ac97->regs[AC97_POWERDOWN]);
2013         ac97->bus->write(ac97, AC97_MASTER, 0x8101);
2014         for (i = 0; i < 10; i++) {
2015                 if (snd_ac97_read(ac97, AC97_MASTER) == 0x8101)
2016                         break;
2017                 set_current_state(TASK_UNINTERRUPTIBLE);
2018                 schedule_timeout(1);
2019         }
2020         /* FIXME: extra delay */
2021         ac97->bus->write(ac97, AC97_MASTER, 0x8000);
2022         if (snd_ac97_read(ac97, AC97_MASTER) != 0x8000) {
2023                 set_current_state(TASK_UNINTERRUPTIBLE);
2024                 schedule_timeout(HZ/4);
2025         }
2026 __reset_ready:
2027
2028         if (ac97->bus->init)
2029                 ac97->bus->init(ac97);
2030
2031         is_ad18xx = (ac97->flags & AC97_AD_MULTI);
2032         if (is_ad18xx) {
2033                 /* restore the AD18xx codec configurations */
2034                 for (codec = 0; codec < 3; codec++) {
2035                         if (! ac97->spec.ad18xx.id[codec])
2036                                 continue;
2037                         /* select single codec */
2038                         snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
2039                                              ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
2040                         ac97->bus->write(ac97, AC97_AD_CODEC_CFG, ac97->spec.ad18xx.codec_cfg[codec]);
2041                 }
2042                 /* select all codecs */
2043                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
2044         }
2045
2046         /* restore ac97 status */
2047         for (i = 2; i < 0x7c ; i += 2) {
2048                 if (i == AC97_POWERDOWN || i == AC97_EXTENDED_ID)
2049                         continue;
2050                 /* restore only accessible registers
2051                  * some chip (e.g. nm256) may hang up when unsupported registers
2052                  * are accessed..!
2053                  */
2054                 if (test_bit(i, ac97->reg_accessed)) {
2055                         if (is_ad18xx) {
2056                                 /* handle multi codecs for AD18xx */
2057                                 if (i == AC97_PCM) {
2058                                         for (codec = 0; codec < 3; codec++) {
2059                                                 if (! ac97->spec.ad18xx.id[codec])
2060                                                         continue;
2061                                                 /* select single codec */
2062                                                 snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000,
2063                                                                      ac97->spec.ad18xx.unchained[codec] | ac97->spec.ad18xx.chained[codec]);
2064                                                 /* update PCM bits */
2065                                                 ac97->bus->write(ac97, AC97_PCM, ac97->spec.ad18xx.pcmreg[codec]);
2066                                         }
2067                                         /* select all codecs */
2068                                         snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, 0x7000);
2069                                         continue;
2070                                 } else if (i == AC97_AD_TEST ||
2071                                            i == AC97_AD_CODEC_CFG ||
2072                                            i == AC97_AD_SERIAL_CFG)
2073                                         continue; /* ignore */
2074                         }
2075                         snd_ac97_write(ac97, i, ac97->regs[i]);
2076                         snd_ac97_read(ac97, i);
2077                 }
2078         }
2079
2080         if (ac97->ext_id & AC97_EI_SPDIF) {
2081                 if (ac97->regs[AC97_EXTENDED_STATUS] & AC97_EA_SPDIF) {
2082                         /* reset spdif status */
2083                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, 0);
2084                         snd_ac97_write(ac97, AC97_EXTENDED_STATUS, ac97->regs[AC97_EXTENDED_STATUS]);
2085                         if (ac97->flags & AC97_CS_SPDIF)
2086                                 snd_ac97_write(ac97, AC97_CSR_SPDIF, ac97->regs[AC97_CSR_SPDIF]);
2087                         else
2088                                 snd_ac97_write(ac97, AC97_SPDIF, ac97->regs[AC97_SPDIF]);
2089                         snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS, AC97_EA_SPDIF, AC97_EA_SPDIF); /* turn on again */
2090                 }
2091         }
2092 }
2093 #endif
2094
2095
2096 /*
2097  */
2098 int snd_ac97_remove_ctl(ac97_t *ac97, const char *name)
2099 {
2100         snd_ctl_elem_id_t id;
2101         memset(&id, 0, sizeof(id));
2102         strcpy(id.name, name);
2103         id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2104         return snd_ctl_remove_id(ac97->bus->card, &id);
2105 }
2106
2107 static snd_kcontrol_t *ctl_find(ac97_t *ac97, const char *name)
2108 {
2109         snd_ctl_elem_id_t sid;
2110         memset(&sid, 0, sizeof(sid));
2111         strcpy(sid.name, name);
2112         sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2113         return snd_ctl_find_id(ac97->bus->card, &sid);
2114 }
2115
2116 int snd_ac97_rename_ctl(ac97_t *ac97, const char *src, const char *dst)
2117 {
2118         snd_kcontrol_t *kctl = ctl_find(ac97, src);
2119         if (kctl) {
2120                 strcpy(kctl->id.name, dst);
2121                 return 0;
2122         }
2123         return -ENOENT;
2124 }
2125
2126 int snd_ac97_swap_ctl(ac97_t *ac97, const char *s1, const char *s2)
2127 {
2128         snd_kcontrol_t *kctl1, *kctl2;
2129         kctl1 = ctl_find(ac97, s1);
2130         kctl2 = ctl_find(ac97, s2);
2131         if (kctl1 && kctl2) {
2132                 strcpy(kctl1->id.name, s2);
2133                 strcpy(kctl2->id.name, s1);
2134                 return 0;
2135         }
2136         return -ENOENT;
2137 }
2138
2139 static int swap_headphone(ac97_t *ac97, int remove_master)
2140 {
2141         /* FIXME: error checks.. */
2142         if (remove_master) {
2143                 if (ctl_find(ac97, "Headphone Playback Switch") == NULL)
2144                         return 0;
2145                 snd_ac97_remove_ctl(ac97, "Master Playback Switch");
2146                 snd_ac97_remove_ctl(ac97, "Master Playback Volume");
2147         } else {
2148                 snd_ac97_rename_ctl(ac97, "Master Playback Switch", "Line-Out Playback Switch");
2149                 snd_ac97_rename_ctl(ac97, "Master Playback Volume", "Line-Out Playback Volume");
2150         }
2151         snd_ac97_rename_ctl(ac97, "Headphone Playback Switch", "Master Playback Switch");
2152         snd_ac97_rename_ctl(ac97, "Headphone Playback Volume", "Master Playback Volume");
2153         return 0;
2154 }
2155
2156 static int swap_surround(ac97_t *ac97)
2157 {
2158         /* FIXME: error checks.. */
2159         snd_ac97_swap_ctl(ac97, "Master Playback Switch", "Surround Playback Switch");
2160         snd_ac97_swap_ctl(ac97, "Master Playback Volume", "Surround Playback Volume");
2161         return 0;
2162 }
2163
2164 static int tune_ad_sharing(ac97_t *ac97)
2165 {
2166         unsigned short scfg;
2167         if ((ac97->id & 0xffffff00) != 0x41445300) {
2168                 snd_printk(KERN_ERR "ac97_quirk AD_SHARING is only for AD codecs\n");
2169                 return -EINVAL;
2170         }
2171         /* Turn on OMS bit to route microphone to back panel */
2172         scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
2173         snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x0200);
2174         return 0;
2175 }
2176
2177 static const snd_kcontrol_new_t snd_ac97_alc_jack_detect =
2178 AC97_SINGLE("Jack Detect", AC97_ALC650_CLOCK, 5, 1, 0);
2179
2180 static int tune_alc_jack(ac97_t *ac97)
2181 {
2182         if ((ac97->id & 0xffffff00) != 0x414c4700) {
2183                 snd_printk(KERN_ERR "ac97_quirk ALC_JACK is only for Realtek codecs\n");
2184                 return -EINVAL;
2185         }
2186         snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
2187         snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
2188         return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
2189 }
2190
2191 static int apply_quirk(ac97_t *ac97, int quirk)
2192 {
2193         switch (quirk) {
2194         case AC97_TUNE_NONE:
2195                 return 0;
2196         case AC97_TUNE_HP_ONLY:
2197                 return swap_headphone(ac97, 1);
2198         case AC97_TUNE_SWAP_HP:
2199                 return swap_headphone(ac97, 0);
2200         case AC97_TUNE_SWAP_SURROUND:
2201                 return swap_surround(ac97);
2202         case AC97_TUNE_AD_SHARING:
2203                 return tune_ad_sharing(ac97);
2204         case AC97_TUNE_ALC_JACK:
2205                 return tune_alc_jack(ac97);
2206         }
2207         return -EINVAL;
2208 }
2209
2210 /**
2211  * snd_ac97_tune_hardware - tune up the hardware
2212  * @ac97: the ac97 instance
2213  * @quirk: quirk list
2214  * @override: explicit quirk value (overrides the list if not AC97_TUNE_DEFAULT)
2215  *
2216  * Do some workaround for each pci device, such as renaming of the
2217  * headphone (true line-out) control as "Master".
2218  * The quirk-list must be terminated with a zero-filled entry.
2219  *
2220  * Returns zero if successful, or a negative error code on failure.
2221  */
2222
2223 int snd_ac97_tune_hardware(ac97_t *ac97, struct ac97_quirk *quirk, int override)
2224 {
2225         int result;
2226
2227         snd_assert(quirk, return -EINVAL);
2228
2229         if (override != AC97_TUNE_DEFAULT) {
2230                 result = apply_quirk(ac97, override);
2231                 if (result < 0)
2232                         snd_printk(KERN_ERR "applying quirk type %d failed (%d)\n", override, result);
2233                 return result;
2234         }
2235
2236         for (; quirk->vendor; quirk++) {
2237                 if (quirk->vendor != ac97->subsystem_vendor)
2238                         continue;
2239                 if ((! quirk->mask && quirk->device == ac97->subsystem_device) ||
2240                     quirk->device == (quirk->mask & ac97->subsystem_device)) {
2241                         snd_printdd("ac97 quirk for %s (%04x:%04x)\n", quirk->name, ac97->subsystem_vendor, ac97->subsystem_device);
2242                         result = apply_quirk(ac97, quirk->type);
2243                         if (result < 0)
2244                                 snd_printk(KERN_ERR "applying quirk type %d for %s failed (%d)\n", quirk->type, quirk->name, result);
2245                         return result;
2246                 }
2247         }
2248         return 0;
2249 }
2250
2251
2252 /*
2253  *  Exported symbols
2254  */
2255
2256 EXPORT_SYMBOL(snd_ac97_write);
2257 EXPORT_SYMBOL(snd_ac97_read);
2258 EXPORT_SYMBOL(snd_ac97_write_cache);
2259 EXPORT_SYMBOL(snd_ac97_update);
2260 EXPORT_SYMBOL(snd_ac97_update_bits);
2261 EXPORT_SYMBOL(snd_ac97_bus);
2262 EXPORT_SYMBOL(snd_ac97_mixer);
2263 EXPORT_SYMBOL(snd_ac97_pcm_assign);
2264 EXPORT_SYMBOL(snd_ac97_pcm_open);
2265 EXPORT_SYMBOL(snd_ac97_pcm_close);
2266 EXPORT_SYMBOL(snd_ac97_tune_hardware);
2267 EXPORT_SYMBOL(snd_ac97_set_rate);
2268 #ifdef CONFIG_PM
2269 EXPORT_SYMBOL(snd_ac97_resume);
2270 #endif
2271
2272 /*
2273  *  INIT part
2274  */
2275
2276 static int __init alsa_ac97_init(void)
2277 {
2278         return 0;
2279 }
2280
2281 static void __exit alsa_ac97_exit(void)
2282 {
2283 }
2284
2285 module_init(alsa_ac97_init)
2286 module_exit(alsa_ac97_exit)