1 /*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifdef HAVE_KERNEL_OPTION_HEADERS 28 #include "opt_snd.h" 29 #endif 30 31 #include <dev/sound/pcm/sound.h> 32 #include <dev/sound/pcm/ac97.h> 33 #include <dev/sound/pcm/ac97_patch.h> 34 35 #include <bus/pci/pcivar.h> 36 37 #include "mixer_if.h" 38 39 SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pcm/ac97.c 227293 2011-11-07 06:44:47Z ed $"); 40 41 static MALLOC_DEFINE(M_AC97, "ac97", "ac97 codec"); 42 43 struct ac97mixtable_entry { 44 int reg; /* register index */ 45 /* reg < 0 if inverted polarity */ 46 unsigned bits:4; /* width of control field */ 47 unsigned ofs:4; /* offset (only if stereo=0) */ 48 unsigned stereo:1; /* set for stereo controls */ 49 unsigned mute:1; /* bit15 is MUTE */ 50 unsigned recidx:4; /* index in rec mux */ 51 unsigned mask:1; /* use only masked bits */ 52 unsigned enable:1; /* entry is enabled */ 53 }; 54 55 #define AC97_MIXER_SIZE SOUND_MIXER_NRDEVICES 56 57 struct ac97_info { 58 kobj_t methods; 59 device_t dev; 60 void *devinfo; 61 u_int32_t id; 62 u_int32_t subvendor; 63 unsigned count, caps, se, extcaps, extid, extstat, noext:1; 64 u_int32_t flags; 65 struct ac97mixtable_entry mix[AC97_MIXER_SIZE]; 66 char name[16]; 67 struct lock *lock; 68 }; 69 70 struct ac97_vendorid { 71 u_int32_t id; 72 const char *name; 73 }; 74 75 struct ac97_codecid { 76 u_int32_t id; 77 u_int8_t stepmask; 78 u_int8_t noext:1; 79 char *name; 80 ac97_patch patch; 81 }; 82 83 static const struct ac97mixtable_entry ac97mixtable_default[AC97_MIXER_SIZE] = { 84 /* [offset] reg bits of st mu re mk en */ 85 [SOUND_MIXER_VOLUME] = { AC97_MIX_MASTER, 5, 0, 1, 1, 6, 0, 1 }, 86 [SOUND_MIXER_OGAIN] = { AC97_MIX_AUXOUT, 5, 0, 1, 1, 0, 0, 0 }, 87 [SOUND_MIXER_PHONEOUT] = { AC97_MIX_MONO, 5, 0, 0, 1, 7, 0, 0 }, 88 [SOUND_MIXER_BASS] = { AC97_MIX_TONE, 4, 8, 0, 0, 0, 1, 0 }, 89 [SOUND_MIXER_TREBLE] = { AC97_MIX_TONE, 4, 0, 0, 0, 0, 1, 0 }, 90 [SOUND_MIXER_PCM] = { AC97_MIX_PCM, 5, 0, 1, 1, 0, 0, 1 }, 91 [SOUND_MIXER_SPEAKER] = { AC97_MIX_BEEP, 4, 1, 0, 1, 0, 0, 0 }, 92 [SOUND_MIXER_LINE] = { AC97_MIX_LINE, 5, 0, 1, 1, 5, 0, 1 }, 93 [SOUND_MIXER_PHONEIN] = { AC97_MIX_PHONE, 5, 0, 0, 1, 8, 0, 0 }, 94 [SOUND_MIXER_MIC] = { AC97_MIX_MIC, 5, 0, 0, 1, 1, 1, 1 }, 95 /* use igain for the mic 20dB boost */ 96 [SOUND_MIXER_IGAIN] = { -AC97_MIX_MIC, 1, 6, 0, 0, 0, 1, 1 }, 97 [SOUND_MIXER_CD] = { AC97_MIX_CD, 5, 0, 1, 1, 2, 0, 1 }, 98 [SOUND_MIXER_LINE1] = { AC97_MIX_AUX, 5, 0, 1, 1, 4, 0, 0 }, 99 [SOUND_MIXER_VIDEO] = { AC97_MIX_VIDEO, 5, 0, 1, 1, 3, 0, 0 }, 100 [SOUND_MIXER_RECLEV] = { -AC97_MIX_RGAIN, 4, 0, 1, 1, 0, 0, 1 } 101 }; 102 103 static const struct ac97_vendorid ac97vendorid[] = { 104 { 0x41445300, "Analog Devices" }, 105 { 0x414b4d00, "Asahi Kasei" }, 106 { 0x414c4300, "Realtek" }, 107 { 0x414c4700, "Avance Logic" }, 108 { 0x43525900, "Cirrus Logic" }, 109 { 0x434d4900, "C-Media Electronics" }, 110 { 0x43585400, "Conexant" }, 111 { 0x44543000, "Diamond Technology" }, 112 { 0x454d4300, "eMicro" }, 113 { 0x45838300, "ESS Technology" }, 114 { 0x48525300, "Intersil" }, 115 { 0x49434500, "ICEnsemble" }, 116 { 0x49544500, "ITE, Inc." }, 117 { 0x4e534300, "National Semiconductor" }, 118 { 0x50534300, "Philips Semiconductor" }, 119 { 0x83847600, "SigmaTel" }, 120 { 0x53494c00, "Silicon Laboratories" }, 121 { 0x54524100, "TriTech" }, 122 { 0x54584e00, "Texas Instruments" }, 123 { 0x56494100, "VIA Technologies" }, 124 { 0x57454300, "Winbond" }, 125 { 0x574d4c00, "Wolfson" }, 126 { 0x594d4800, "Yamaha" }, 127 /* 128 * XXX This is a fluke, really! The real vendor 129 * should be SigmaTel, not this! This should be 130 * removed someday! 131 */ 132 { 0x01408300, "Creative" }, 133 { 0x00000000, NULL } 134 }; 135 136 static struct ac97_codecid ac97codecid[] = { 137 { 0x41445303, 0x00, 0, "AD1819", 0 }, 138 { 0x41445340, 0x00, 0, "AD1881", 0 }, 139 { 0x41445348, 0x00, 0, "AD1881A", 0 }, 140 { 0x41445360, 0x00, 0, "AD1885", 0 }, 141 { 0x41445361, 0x00, 0, "AD1886", ad1886_patch }, 142 { 0x41445362, 0x00, 0, "AD1887", 0 }, 143 { 0x41445363, 0x00, 0, "AD1886A", 0 }, 144 { 0x41445368, 0x00, 0, "AD1888", ad198x_patch }, 145 { 0x41445370, 0x00, 0, "AD1980", ad198x_patch }, 146 { 0x41445372, 0x00, 0, "AD1981A", 0 }, 147 { 0x41445374, 0x00, 0, "AD1981B", ad1981b_patch }, 148 { 0x41445375, 0x00, 0, "AD1985", ad198x_patch }, 149 { 0x41445378, 0x00, 0, "AD1986", ad198x_patch }, 150 { 0x414b4d00, 0x00, 1, "AK4540", 0 }, 151 { 0x414b4d01, 0x00, 1, "AK4542", 0 }, 152 { 0x414b4d02, 0x00, 1, "AK4543", 0 }, 153 { 0x414b4d06, 0x00, 0, "AK4544A", 0 }, 154 { 0x454b4d07, 0x00, 0, "AK4545", 0 }, 155 { 0x414c4320, 0x0f, 0, "ALC100", 0 }, 156 { 0x414c4730, 0x0f, 0, "ALC101", 0 }, 157 { 0x414c4710, 0x0f, 0, "ALC200", 0 }, 158 { 0x414c4740, 0x0f, 0, "ALC202", 0 }, 159 { 0x414c4720, 0x0f, 0, "ALC650", 0 }, 160 { 0x414c4752, 0x0f, 0, "ALC250", 0 }, 161 { 0x414c4760, 0x0f, 0, "ALC655", alc655_patch }, 162 { 0x414c4770, 0x0f, 0, "ALC203", 0 }, 163 { 0x414c4780, 0x0f, 0, "ALC658", 0 }, 164 { 0x414c4790, 0x0f, 0, "ALC850", 0 }, 165 { 0x43525900, 0x07, 0, "CS4297", 0 }, 166 { 0x43525910, 0x07, 0, "CS4297A", 0 }, 167 { 0x43525920, 0x07, 0, "CS4294/98", 0 }, 168 { 0x4352592d, 0x07, 0, "CS4294", 0 }, 169 { 0x43525930, 0x07, 0, "CS4299", 0 }, 170 { 0x43525940, 0x07, 0, "CS4201", 0 }, 171 { 0x43525958, 0x07, 0, "CS4205", 0 }, 172 { 0x43525960, 0x07, 0, "CS4291A", 0 }, 173 { 0x434d4961, 0x00, 0, "CMI9739", cmi9739_patch }, 174 { 0x434d4941, 0x00, 0, "CMI9738", 0 }, 175 { 0x434d4978, 0x00, 0, "CMI9761", 0 }, 176 { 0x434d4982, 0x00, 0, "CMI9761", 0 }, 177 { 0x434d4983, 0x00, 0, "CMI9761", 0 }, 178 { 0x43585421, 0x00, 0, "HSD11246", 0 }, 179 { 0x43585428, 0x07, 0, "CX20468", 0 }, 180 { 0x43585430, 0x00, 0, "CX20468-21", 0 }, 181 { 0x44543000, 0x00, 0, "DT0398", 0 }, 182 { 0x454d4323, 0x00, 0, "EM28023", 0 }, 183 { 0x454d4328, 0x00, 0, "EM28028", 0 }, 184 { 0x45838308, 0x00, 0, "ES1988", 0 }, /* Formerly ES1921(?) */ 185 { 0x48525300, 0x00, 0, "HMP9701", 0 }, 186 { 0x49434501, 0x00, 0, "ICE1230", 0 }, 187 { 0x49434511, 0x00, 0, "ICE1232", 0 }, 188 { 0x49434514, 0x00, 0, "ICE1232A", 0 }, 189 { 0x49434551, 0x03, 0, "VT1616", 0 }, /* Via badged ICE */ 190 { 0x49544520, 0x00, 0, "ITE2226E", 0 }, 191 { 0x49544560, 0x07, 0, "ITE2646E", 0 }, /* XXX: patch needed */ 192 { 0x4e534340, 0x00, 0, "LM4540", 0 }, /* Spec blank on revid */ 193 { 0x4e534343, 0x00, 0, "LM4543", 0 }, /* Ditto */ 194 { 0x4e534346, 0x00, 0, "LM4546A", 0 }, 195 { 0x4e534348, 0x00, 0, "LM4548A", 0 }, 196 { 0x4e534331, 0x00, 0, "LM4549", 0 }, 197 { 0x4e534349, 0x00, 0, "LM4549A", 0 }, 198 { 0x4e534350, 0x00, 0, "LM4550", 0 }, 199 { 0x50534301, 0x00, 0, "UCB1510", 0 }, 200 { 0x50534304, 0x00, 0, "UCB1400", 0 }, 201 { 0x83847600, 0x00, 0, "STAC9700/83/84", 0 }, 202 { 0x83847604, 0x00, 0, "STAC9701/03/04/05", 0 }, 203 { 0x83847605, 0x00, 0, "STAC9704", 0 }, 204 { 0x83847608, 0x00, 0, "STAC9708/11", 0 }, 205 { 0x83847609, 0x00, 0, "STAC9721/23", 0 }, 206 { 0x83847644, 0x00, 0, "STAC9744/45", 0 }, 207 { 0x83847650, 0x00, 0, "STAC9750/51", 0 }, 208 { 0x83847652, 0x00, 0, "STAC9752/53", 0 }, 209 { 0x83847656, 0x00, 0, "STAC9756/57", 0 }, 210 { 0x83847658, 0x00, 0, "STAC9758/59", 0 }, 211 { 0x83847660, 0x00, 0, "STAC9760/61", 0 }, /* Extrapolated */ 212 { 0x83847662, 0x00, 0, "STAC9762/63", 0 }, /* Extrapolated */ 213 { 0x83847666, 0x00, 0, "STAC9766/67", 0 }, 214 { 0x53494c22, 0x00, 0, "Si3036", 0 }, 215 { 0x53494c23, 0x00, 0, "Si3038", 0 }, 216 { 0x54524103, 0x00, 0, "TR28023", 0 }, /* Extrapolated */ 217 { 0x54524106, 0x00, 0, "TR28026", 0 }, 218 { 0x54524108, 0x00, 0, "TR28028", 0 }, 219 { 0x54524123, 0x00, 0, "TR28602", 0 }, 220 { 0x54524e03, 0x07, 0, "TLV320AIC27", 0 }, 221 { 0x54584e20, 0x00, 0, "TLC320AD90", 0 }, 222 { 0x56494161, 0x00, 0, "VIA1612A", 0 }, 223 { 0x56494170, 0x00, 0, "VIA1617A", 0 }, 224 { 0x574d4c00, 0x00, 0, "WM9701A", 0 }, 225 { 0x574d4c03, 0x00, 0, "WM9703/4/7/8", 0 }, 226 { 0x574d4c04, 0x00, 0, "WM9704Q", 0 }, 227 { 0x574d4c05, 0x00, 0, "WM9705/10", 0 }, 228 { 0x574d4d09, 0x00, 0, "WM9709", 0 }, 229 { 0x574d4c12, 0x00, 0, "WM9711/12", 0 }, /* XXX: patch needed */ 230 { 0x57454301, 0x00, 0, "W83971D", 0 }, 231 { 0x594d4800, 0x00, 0, "YMF743", 0 }, 232 { 0x594d4802, 0x00, 0, "YMF752", 0 }, 233 { 0x594d4803, 0x00, 0, "YMF753", 0 }, 234 /* 235 * XXX This is a fluke, really! The real codec 236 * should be STAC9704, not this! This should be 237 * removed someday! 238 */ 239 { 0x01408384, 0x00, 0, "EV1938", 0 }, 240 { 0, 0, 0, NULL, 0 } 241 }; 242 243 static char *ac97enhancement[] = { 244 "no 3D Stereo Enhancement", 245 "Analog Devices Phat Stereo", 246 "Creative Stereo Enhancement", 247 "National Semi 3D Stereo Enhancement", 248 "Yamaha Ymersion", 249 "BBE 3D Stereo Enhancement", 250 "Crystal Semi 3D Stereo Enhancement", 251 "Qsound QXpander", 252 "Spatializer 3D Stereo Enhancement", 253 "SRS 3D Stereo Enhancement", 254 "Platform Tech 3D Stereo Enhancement", 255 "AKM 3D Audio", 256 "Aureal Stereo Enhancement", 257 "Aztech 3D Enhancement", 258 "Binaura 3D Audio Enhancement", 259 "ESS Technology Stereo Enhancement", 260 "Harman International VMAx", 261 "Nvidea 3D Stereo Enhancement", 262 "Philips Incredible Sound", 263 "Texas Instruments 3D Stereo Enhancement", 264 "VLSI Technology 3D Stereo Enhancement", 265 "TriTech 3D Stereo Enhancement", 266 "Realtek 3D Stereo Enhancement", 267 "Samsung 3D Stereo Enhancement", 268 "Wolfson Microelectronics 3D Enhancement", 269 "Delta Integration 3D Enhancement", 270 "SigmaTel 3D Enhancement", 271 "Reserved 27", 272 "Rockwell 3D Stereo Enhancement", 273 "Reserved 29", 274 "Reserved 30", 275 "Reserved 31" 276 }; 277 278 static char *ac97feature[] = { 279 "mic channel", 280 "reserved", 281 "tone", 282 "simulated stereo", 283 "headphone", 284 "bass boost", 285 "18 bit DAC", 286 "20 bit DAC", 287 "18 bit ADC", 288 "20 bit ADC" 289 }; 290 291 static char *ac97extfeature[] = { 292 "variable rate PCM", 293 "double rate PCM", 294 "reserved 1", 295 "variable rate mic", 296 "reserved 2", 297 "reserved 3", 298 "center DAC", 299 "surround DAC", 300 "LFE DAC", 301 "AMAP", 302 "reserved 4", 303 "reserved 5", 304 "reserved 6", 305 "reserved 7", 306 }; 307 308 u_int16_t 309 ac97_rdcd(struct ac97_info *codec, int reg) 310 { 311 if (codec->flags & AC97_F_RDCD_BUG) { 312 u_int16_t i[2], j = 100; 313 314 i[0] = AC97_READ(codec->methods, codec->devinfo, reg); 315 i[1] = AC97_READ(codec->methods, codec->devinfo, reg); 316 while (i[0] != i[1] && j) 317 i[j-- & 1] = AC97_READ(codec->methods, codec->devinfo, reg); 318 #if 0 319 if (j < 100) { 320 device_printf(codec->dev, "%s(): Inconsistent register value at" 321 " 0x%08x (retry: %d)\n", __func__, reg, 100 - j); 322 } 323 #endif 324 return i[!(j & 1)]; 325 } 326 return AC97_READ(codec->methods, codec->devinfo, reg); 327 } 328 329 void 330 ac97_wrcd(struct ac97_info *codec, int reg, u_int16_t val) 331 { 332 AC97_WRITE(codec->methods, codec->devinfo, reg, val); 333 } 334 335 static void 336 ac97_reset(struct ac97_info *codec) 337 { 338 u_int32_t i, ps; 339 ac97_wrcd(codec, AC97_REG_RESET, 0); 340 for (i = 0; i < 500; i++) { 341 ps = ac97_rdcd(codec, AC97_REG_POWER) & AC97_POWER_STATUS; 342 if (ps == AC97_POWER_STATUS) 343 return; 344 DELAY(1000); 345 } 346 device_printf(codec->dev, "AC97 reset timed out.\n"); 347 } 348 349 int 350 ac97_setrate(struct ac97_info *codec, int which, int rate) 351 { 352 u_int16_t v; 353 354 switch(which) { 355 case AC97_REGEXT_FDACRATE: 356 case AC97_REGEXT_SDACRATE: 357 case AC97_REGEXT_LDACRATE: 358 case AC97_REGEXT_LADCRATE: 359 case AC97_REGEXT_MADCRATE: 360 break; 361 362 default: 363 return -1; 364 } 365 366 snd_mtxlock(codec->lock); 367 if (rate != 0) { 368 v = rate; 369 if (codec->extstat & AC97_EXTCAP_DRA) 370 v >>= 1; 371 ac97_wrcd(codec, which, v); 372 } 373 v = ac97_rdcd(codec, which); 374 if (codec->extstat & AC97_EXTCAP_DRA) 375 v <<= 1; 376 snd_mtxunlock(codec->lock); 377 return v; 378 } 379 380 int 381 ac97_setextmode(struct ac97_info *codec, u_int16_t mode) 382 { 383 mode &= AC97_EXTCAPS; 384 if ((mode & ~codec->extcaps) != 0) { 385 device_printf(codec->dev, "ac97 invalid mode set 0x%04x\n", 386 mode); 387 return -1; 388 } 389 snd_mtxlock(codec->lock); 390 ac97_wrcd(codec, AC97_REGEXT_STAT, mode); 391 codec->extstat = ac97_rdcd(codec, AC97_REGEXT_STAT) & AC97_EXTCAPS; 392 snd_mtxunlock(codec->lock); 393 return (mode == codec->extstat)? 0 : -1; 394 } 395 396 u_int16_t 397 ac97_getextmode(struct ac97_info *codec) 398 { 399 return codec->extstat; 400 } 401 402 u_int16_t 403 ac97_getextcaps(struct ac97_info *codec) 404 { 405 return codec->extcaps; 406 } 407 408 u_int16_t 409 ac97_getcaps(struct ac97_info *codec) 410 { 411 return codec->caps; 412 } 413 414 u_int32_t 415 ac97_getsubvendor(struct ac97_info *codec) 416 { 417 return codec->subvendor; 418 } 419 420 static int 421 ac97_setrecsrc(struct ac97_info *codec, int channel) 422 { 423 struct ac97mixtable_entry *e = &codec->mix[channel]; 424 425 if (e->recidx > 0) { 426 int val = e->recidx - 1; 427 val |= val << 8; 428 snd_mtxlock(codec->lock); 429 ac97_wrcd(codec, AC97_REG_RECSEL, val); 430 snd_mtxunlock(codec->lock); 431 return 0; 432 } else 433 return -1; 434 } 435 436 static int 437 ac97_setmixer(struct ac97_info *codec, unsigned channel, unsigned left, unsigned right) 438 { 439 struct ac97mixtable_entry *e = &codec->mix[channel]; 440 441 if (e->reg && e->enable && e->bits) { 442 int mask, max, val, reg; 443 444 reg = (e->reg >= 0) ? e->reg : -e->reg; /* AC97 register */ 445 max = (1 << e->bits) - 1; /* actual range */ 446 mask = (max << 8) | max; /* bits of interest */ 447 448 if (!e->stereo) 449 right = left; 450 451 /* 452 * Invert the range if the polarity requires so, 453 * then scale to 0..max-1 to compute the value to 454 * write into the codec, and scale back to 0..100 455 * for the return value. 456 */ 457 if (e->reg > 0) { 458 left = 100 - left; 459 right = 100 - right; 460 } 461 462 left = (left * max) / 100; 463 right = (right * max) / 100; 464 465 val = (left << 8) | right; 466 467 left = (left * 100) / max; 468 right = (right * 100) / max; 469 470 if (e->reg > 0) { 471 left = 100 - left; 472 right = 100 - right; 473 } 474 475 /* 476 * For mono controls, trim val and mask, also taking 477 * care of e->ofs (offset of control field). 478 */ 479 if (e->ofs) { 480 val &= max; 481 val <<= e->ofs; 482 mask = (max << e->ofs); 483 } 484 485 /* 486 * If we have a mute bit, add it to the mask and 487 * update val and set mute if both channels require a 488 * zero volume. 489 */ 490 if (e->mute == 1) { 491 mask |= AC97_MUTE; 492 if (left == 0 && right == 0) 493 val = AC97_MUTE; 494 } 495 496 /* 497 * If the mask bit is set, do not alter the other bits. 498 */ 499 snd_mtxlock(codec->lock); 500 if (e->mask) { 501 int cur = ac97_rdcd(codec, reg); 502 val |= cur & ~(mask); 503 } 504 ac97_wrcd(codec, reg, val); 505 snd_mtxunlock(codec->lock); 506 return left | (right << 8); 507 } else { 508 #if 0 509 printf("ac97_setmixer: reg=%d, bits=%d, enable=%d\n", e->reg, e->bits, e->enable); 510 #endif 511 return -1; 512 } 513 } 514 515 static void 516 ac97_fix_auxout(struct ac97_info *codec) 517 { 518 int keep_ogain; 519 520 /* 521 * By default, The ac97 aux_out register (0x04) corresponds to OSS's 522 * OGAIN setting. 523 * 524 * We first check whether aux_out is a valid register. If not 525 * we may not want to keep ogain. 526 */ 527 keep_ogain = ac97_rdcd(codec, AC97_MIX_AUXOUT) & 0x8000; 528 529 /* 530 * Determine what AUX_OUT really means, it can be: 531 * 532 * 1. Headphone out. 533 * 2. 4-Channel Out 534 * 3. True line level out (effectively master volume). 535 * 536 * See Sections 5.2.1 and 5.27 for AUX_OUT Options in AC97r2.{2,3}. 537 */ 538 if (codec->extcaps & AC97_EXTCAP_SDAC && 539 ac97_rdcd(codec, AC97_MIXEXT_SURROUND) == 0x8080) { 540 codec->mix[SOUND_MIXER_OGAIN].reg = AC97_MIXEXT_SURROUND; 541 keep_ogain = 1; 542 } 543 544 if (keep_ogain == 0) { 545 bzero(&codec->mix[SOUND_MIXER_OGAIN], 546 sizeof(codec->mix[SOUND_MIXER_OGAIN])); 547 } 548 } 549 550 static void 551 ac97_fix_tone(struct ac97_info *codec) 552 { 553 /* 554 * YMF chips does not indicate tone and 3D enhancement capability 555 * in the AC97_REG_RESET register. 556 */ 557 switch (codec->id) { 558 case 0x594d4800: /* YMF743 */ 559 case 0x594d4803: /* YMF753 */ 560 codec->caps |= AC97_CAP_TONE; 561 codec->se |= 0x04; 562 break; 563 case 0x594d4802: /* YMF752 */ 564 codec->se |= 0x04; 565 break; 566 default: 567 break; 568 } 569 570 /* Hide treble and bass if they don't exist */ 571 if ((codec->caps & AC97_CAP_TONE) == 0) { 572 bzero(&codec->mix[SOUND_MIXER_BASS], 573 sizeof(codec->mix[SOUND_MIXER_BASS])); 574 bzero(&codec->mix[SOUND_MIXER_TREBLE], 575 sizeof(codec->mix[SOUND_MIXER_TREBLE])); 576 } 577 } 578 579 static const char* 580 ac97_hw_desc(u_int32_t id, const char* vname, const char* cname, char* buf) 581 { 582 if (cname == NULL) { 583 ksprintf(buf, "Unknown AC97 Codec (id = 0x%08x)", id); 584 return buf; 585 } 586 587 if (vname == NULL) vname = "Unknown"; 588 589 if (bootverbose) { 590 ksprintf(buf, "%s %s AC97 Codec (id = 0x%08x)", vname, cname, id); 591 } else { 592 ksprintf(buf, "%s %s AC97 Codec", vname, cname); 593 } 594 return buf; 595 } 596 597 static unsigned 598 ac97_initmixer(struct ac97_info *codec) 599 { 600 ac97_patch codec_patch; 601 const char *cname, *vname; 602 char desc[80]; 603 u_int8_t model, step; 604 unsigned i, j, k, bit, old; 605 u_int32_t id; 606 int reg; 607 608 snd_mtxlock(codec->lock); 609 codec->count = AC97_INIT(codec->methods, codec->devinfo); 610 if (codec->count == 0) { 611 device_printf(codec->dev, "ac97 codec init failed\n"); 612 snd_mtxunlock(codec->lock); 613 return ENODEV; 614 } 615 616 ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x8000 : 0x0000); 617 ac97_reset(codec); 618 ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x8000 : 0x0000); 619 620 i = ac97_rdcd(codec, AC97_REG_RESET); 621 j = ac97_rdcd(codec, AC97_REG_RESET); 622 k = ac97_rdcd(codec, AC97_REG_RESET); 623 /* 624 * Let see if this codec can return consistent value. 625 * If not, turn on aggressive read workaround 626 * (STAC9704 comes in mind). 627 */ 628 if (i != j || j != k) { 629 codec->flags |= AC97_F_RDCD_BUG; 630 i = ac97_rdcd(codec, AC97_REG_RESET); 631 } 632 codec->caps = i & 0x03ff; 633 codec->se = (i & 0x7c00) >> 10; 634 635 id = (ac97_rdcd(codec, AC97_REG_ID1) << 16) | ac97_rdcd(codec, AC97_REG_ID2); 636 if (id == 0 || id == 0xffffffff) { 637 device_printf(codec->dev, "ac97 codec invalid or not present (id == %x)\n", id); 638 snd_mtxunlock(codec->lock); 639 return ENODEV; 640 } 641 642 codec->id = id; 643 codec->subvendor = (u_int32_t)pci_get_subdevice(codec->dev) << 16; 644 codec->subvendor |= (u_int32_t)pci_get_subvendor(codec->dev) & 645 0x0000ffff; 646 codec->noext = 0; 647 codec_patch = NULL; 648 649 cname = NULL; 650 model = step = 0; 651 for (i = 0; ac97codecid[i].id; i++) { 652 u_int32_t modelmask = 0xffffffff ^ ac97codecid[i].stepmask; 653 if ((ac97codecid[i].id & modelmask) == (id & modelmask)) { 654 codec->noext = ac97codecid[i].noext; 655 codec_patch = ac97codecid[i].patch; 656 cname = ac97codecid[i].name; 657 model = (id & modelmask) & 0xff; 658 step = (id & ~modelmask) & 0xff; 659 break; 660 } 661 } 662 663 vname = NULL; 664 for (i = 0; ac97vendorid[i].id; i++) { 665 if (ac97vendorid[i].id == (id & 0xffffff00)) { 666 vname = ac97vendorid[i].name; 667 break; 668 } 669 } 670 671 codec->extcaps = 0; 672 codec->extid = 0; 673 codec->extstat = 0; 674 if (!codec->noext) { 675 i = ac97_rdcd(codec, AC97_REGEXT_ID); 676 if (i != 0xffff) { 677 codec->extcaps = i & 0x3fff; 678 codec->extid = (i & 0xc000) >> 14; 679 codec->extstat = ac97_rdcd(codec, AC97_REGEXT_STAT) & AC97_EXTCAPS; 680 } 681 } 682 683 for (i = 0; i < AC97_MIXER_SIZE; i++) { 684 codec->mix[i] = ac97mixtable_default[i]; 685 } 686 ac97_fix_auxout(codec); 687 ac97_fix_tone(codec); 688 if (codec_patch) 689 codec_patch(codec); 690 691 for (i = 0; i < AC97_MIXER_SIZE; i++) { 692 k = codec->noext? codec->mix[i].enable : 1; 693 reg = codec->mix[i].reg; 694 if (reg < 0) 695 reg = -reg; 696 if (k && reg) { 697 j = old = ac97_rdcd(codec, reg); 698 /* 699 * Test for mute bit (except for AC97_MIX_TONE, 700 * where we simply assume it as available). 701 */ 702 if (codec->mix[i].mute) { 703 ac97_wrcd(codec, reg, j | 0x8000); 704 j = ac97_rdcd(codec, reg); 705 } else 706 j |= 0x8000; 707 if ((j & 0x8000)) { 708 /* 709 * Test whether the control width should be 710 * 4, 5 or 6 bit. For 5bit register, we should 711 * test it whether it's really 5 or 6bit. Leave 712 * 4bit register alone, because sometimes an 713 * attempt to write past 4th bit may cause 714 * incorrect result especially for AC97_MIX_BEEP 715 * (ac97 2.3). 716 */ 717 bit = codec->mix[i].bits; 718 if (bit == 5) 719 bit++; 720 j = ((1 << bit) - 1) << codec->mix[i].ofs; 721 ac97_wrcd(codec, reg, 722 j | (codec->mix[i].mute ? 0x8000 : 0)); 723 k = ac97_rdcd(codec, reg) & j; 724 k >>= codec->mix[i].ofs; 725 if (reg == AC97_MIX_TONE && 726 ((k & 0x0001) == 0x0000)) 727 k >>= 1; 728 for (j = 0; k >> j; j++) 729 ; 730 if (j != 0) { 731 #if 0 732 device_printf(codec->dev, "%2d: [ac97_rdcd() = %d] [Testbit = %d] %d -> %d\n", 733 i, k, bit, codec->mix[i].bits, j); 734 #endif 735 codec->mix[i].enable = 1; 736 codec->mix[i].bits = j; 737 } else if (reg == AC97_MIX_BEEP) { 738 /* 739 * Few codec such as CX20468-21 does 740 * have this control register, although 741 * the only usable part is the mute bit. 742 */ 743 codec->mix[i].enable = 1; 744 } else 745 codec->mix[i].enable = 0; 746 } else 747 codec->mix[i].enable = 0; 748 ac97_wrcd(codec, reg, old); 749 } 750 #if 0 751 printf("mixch %d, en=%d, b=%d\n", i, codec->mix[i].enable, codec->mix[i].bits); 752 #endif 753 } 754 755 device_printf(codec->dev, "<%s>\n", 756 ac97_hw_desc(codec->id, vname, cname, desc)); 757 758 if (bootverbose) { 759 if (codec->flags & AC97_F_RDCD_BUG) 760 device_printf(codec->dev, "Buggy AC97 Codec: aggressive ac97_rdcd() workaround enabled\n"); 761 device_printf(codec->dev, "Codec features "); 762 for (i = j = 0; i < 10; i++) 763 if (codec->caps & (1 << i)) 764 kprintf("%s%s", j++? ", " : "", ac97feature[i]); 765 kprintf("%s%d bit master volume", j++? ", " : "", codec->mix[SOUND_MIXER_VOLUME].bits); 766 kprintf("%s%s\n", j? ", " : "", ac97enhancement[codec->se]); 767 768 if (codec->extcaps != 0 || codec->extid) { 769 device_printf(codec->dev, "%s codec", 770 codec->extid? "Secondary" : "Primary"); 771 if (codec->extcaps) 772 kprintf(" extended features "); 773 for (i = j = 0; i < 14; i++) 774 if (codec->extcaps & (1 << i)) 775 kprintf("%s%s", j++? ", " : "", ac97extfeature[i]); 776 kprintf("\n"); 777 } 778 } 779 780 i = 0; 781 while ((ac97_rdcd(codec, AC97_REG_POWER) & 2) == 0) { 782 if (++i == 100) { 783 device_printf(codec->dev, "ac97 codec reports dac not ready\n"); 784 break; 785 } 786 DELAY(1000); 787 } 788 if (bootverbose) 789 device_printf(codec->dev, "ac97 codec dac ready count: %d\n", i); 790 snd_mtxunlock(codec->lock); 791 return 0; 792 } 793 794 static unsigned 795 ac97_reinitmixer(struct ac97_info *codec) 796 { 797 snd_mtxlock(codec->lock); 798 codec->count = AC97_INIT(codec->methods, codec->devinfo); 799 if (codec->count == 0) { 800 device_printf(codec->dev, "ac97 codec init failed\n"); 801 snd_mtxunlock(codec->lock); 802 return ENODEV; 803 } 804 805 ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x8000 : 0x0000); 806 ac97_reset(codec); 807 ac97_wrcd(codec, AC97_REG_POWER, (codec->flags & AC97_F_EAPD_INV)? 0x8000 : 0x0000); 808 809 if (!codec->noext) { 810 ac97_wrcd(codec, AC97_REGEXT_STAT, codec->extstat); 811 if ((ac97_rdcd(codec, AC97_REGEXT_STAT) & AC97_EXTCAPS) 812 != codec->extstat) 813 device_printf(codec->dev, "ac97 codec failed to reset extended mode (%x, got %x)\n", 814 codec->extstat, 815 ac97_rdcd(codec, AC97_REGEXT_STAT) & 816 AC97_EXTCAPS); 817 } 818 819 if ((ac97_rdcd(codec, AC97_REG_POWER) & 2) == 0) 820 device_printf(codec->dev, "ac97 codec reports dac not ready\n"); 821 snd_mtxunlock(codec->lock); 822 return 0; 823 } 824 825 struct ac97_info * 826 ac97_create(device_t dev, void *devinfo, kobj_class_t cls) 827 { 828 struct ac97_info *codec; 829 int i; 830 831 codec = kmalloc(sizeof(*codec), M_AC97, M_WAITOK | M_ZERO); 832 ksnprintf(codec->name, sizeof(codec->name), "%s:ac97", 833 device_get_nameunit(dev)); 834 codec->lock = snd_mtxcreate(codec->name, "ac97 codec"); 835 codec->methods = kobj_create(cls, M_AC97, M_WAITOK | M_ZERO); 836 codec->dev = dev; 837 codec->devinfo = devinfo; 838 codec->flags = 0; 839 840 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 841 "eapdinv", &i) == 0 && i != 0) 842 codec->flags |= AC97_F_EAPD_INV; 843 844 if (resource_int_value(device_get_name(dev), device_get_unit(dev), 845 "softpcmvol", &i) == 0 && i != 0) 846 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SOFTPCMVOL); 847 848 return codec; 849 } 850 851 void 852 ac97_destroy(struct ac97_info *codec) 853 { 854 snd_mtxlock(codec->lock); 855 if (codec->methods != NULL) 856 kobj_delete(codec->methods, M_AC97); 857 snd_mtxfree(codec->lock); 858 kfree(codec, M_AC97); 859 } 860 861 void 862 ac97_setflags(struct ac97_info *codec, u_int32_t val) 863 { 864 codec->flags = val; 865 } 866 867 u_int32_t 868 ac97_getflags(struct ac97_info *codec) 869 { 870 return codec->flags; 871 } 872 873 /* -------------------------------------------------------------------- */ 874 875 static int 876 sysctl_hw_snd_ac97_eapd(SYSCTL_HANDLER_ARGS) 877 { 878 struct ac97_info *codec; 879 int ea, inv, err = 0; 880 u_int16_t val; 881 882 codec = oidp->oid_arg1; 883 if (codec == NULL || codec->id == 0 || codec->lock == NULL) 884 return EINVAL; 885 snd_mtxlock(codec->lock); 886 val = ac97_rdcd(codec, AC97_REG_POWER); 887 inv = (codec->flags & AC97_F_EAPD_INV) ? 0 : 1; 888 ea = (val >> 15) ^ inv; 889 snd_mtxunlock(codec->lock); 890 err = sysctl_handle_int(oidp, &ea, 0, req); 891 if (err == 0 && req->newptr != NULL) { 892 if (ea != 0 && ea != 1) 893 return EINVAL; 894 if (ea != ((val >> 15) ^ inv)) { 895 snd_mtxlock(codec->lock); 896 ac97_wrcd(codec, AC97_REG_POWER, val ^ 0x8000); 897 snd_mtxunlock(codec->lock); 898 } 899 } 900 return err; 901 } 902 903 static void 904 ac97_init_sysctl(struct ac97_info *codec) 905 { 906 u_int16_t orig, val; 907 908 if (codec == NULL || codec->dev == NULL) 909 return; 910 snd_mtxlock(codec->lock); 911 orig = ac97_rdcd(codec, AC97_REG_POWER); 912 ac97_wrcd(codec, AC97_REG_POWER, orig ^ 0x8000); 913 val = ac97_rdcd(codec, AC97_REG_POWER); 914 ac97_wrcd(codec, AC97_REG_POWER, orig); 915 snd_mtxunlock(codec->lock); 916 if ((val & 0x8000) == (orig & 0x8000)) 917 return; 918 SYSCTL_ADD_PROC(device_get_sysctl_ctx(codec->dev), 919 SYSCTL_CHILDREN(device_get_sysctl_tree(codec->dev)), 920 OID_AUTO, "eapd", CTLTYPE_INT | CTLFLAG_RW, 921 codec, sizeof(codec), sysctl_hw_snd_ac97_eapd, 922 "I", "AC97 External Amplifier"); 923 } 924 925 static int 926 ac97mix_init(struct snd_mixer *m) 927 { 928 struct ac97_info *codec = mix_getdevinfo(m); 929 u_int32_t i, mask; 930 931 if (codec == NULL) 932 return -1; 933 934 if (ac97_initmixer(codec)) 935 return -1; 936 937 switch (codec->id) { 938 case 0x41445374: /* AD1981B */ 939 switch (codec->subvendor) { 940 case 0x02d91014: 941 /* 942 * IBM Thinkcentre: 943 * 944 * Tie "ogain" and "phout" to "vol" since its 945 * master volume is basically useless and can't 946 * control anything. 947 */ 948 mask = 0; 949 if (codec->mix[SOUND_MIXER_OGAIN].enable) 950 mask |= SOUND_MASK_OGAIN; 951 if (codec->mix[SOUND_MIXER_PHONEOUT].enable) 952 mask |= SOUND_MASK_PHONEOUT; 953 if (codec->mix[SOUND_MIXER_VOLUME].enable) 954 mix_setparentchild(m, SOUND_MIXER_VOLUME, 955 mask); 956 else { 957 mix_setparentchild(m, SOUND_MIXER_VOLUME, 958 mask); 959 mix_setrealdev(m, SOUND_MIXER_VOLUME, 960 SOUND_MIXER_NONE); 961 } 962 break; 963 case 0x099c103c: 964 /* 965 * HP nx6110: 966 * 967 * By default, "vol" is controlling internal speakers 968 * (not a master volume!) and "ogain" is controlling 969 * headphone. Enable dummy "phout" so it can be 970 * remapped to internal speakers and virtualize 971 * "vol" to control both. 972 */ 973 codec->mix[SOUND_MIXER_OGAIN].enable = 1; 974 codec->mix[SOUND_MIXER_PHONEOUT].enable = 1; 975 mix_setrealdev(m, SOUND_MIXER_PHONEOUT, 976 SOUND_MIXER_VOLUME); 977 mix_setrealdev(m, SOUND_MIXER_VOLUME, 978 SOUND_MIXER_NONE); 979 mix_setparentchild(m, SOUND_MIXER_VOLUME, 980 SOUND_MASK_OGAIN | SOUND_MASK_PHONEOUT); 981 break; 982 default: 983 break; 984 } 985 break; 986 case 0x434d4941: /* CMI9738 */ 987 case 0x434d4961: /* CMI9739 */ 988 case 0x434d4978: /* CMI9761 */ 989 case 0x434d4982: /* CMI9761 */ 990 case 0x434d4983: /* CMI9761 */ 991 bzero(&codec->mix[SOUND_MIXER_PCM], 992 sizeof(codec->mix[SOUND_MIXER_PCM])); 993 pcm_setflags(codec->dev, pcm_getflags(codec->dev) | 994 SD_F_SOFTPCMVOL); 995 /* XXX How about master volume ? */ 996 break; 997 default: 998 break; 999 } 1000 1001 if (pcm_getflags(codec->dev) & SD_F_SOFTPCMVOL) 1002 ac97_wrcd(codec, AC97_MIX_PCM, 0); 1003 #if 0 1004 /* XXX For the sake of debugging purposes */ 1005 mix_setparentchild(m, SOUND_MIXER_VOLUME, 1006 SOUND_MASK_PCM | SOUND_MASK_CD); 1007 mix_setrealdev(m, SOUND_MIXER_VOLUME, SOUND_MIXER_NONE); 1008 ac97_wrcd(codec, AC97_MIX_MASTER, 0); 1009 #endif 1010 1011 mask = 0; 1012 for (i = 0; i < AC97_MIXER_SIZE; i++) 1013 mask |= codec->mix[i].enable? 1 << i : 0; 1014 mix_setdevs(m, mask); 1015 1016 mask = 0; 1017 for (i = 0; i < AC97_MIXER_SIZE; i++) 1018 mask |= codec->mix[i].recidx? 1 << i : 0; 1019 mix_setrecdevs(m, mask); 1020 1021 ac97_init_sysctl(codec); 1022 1023 return 0; 1024 } 1025 1026 static int 1027 ac97mix_uninit(struct snd_mixer *m) 1028 { 1029 struct ac97_info *codec = mix_getdevinfo(m); 1030 1031 if (codec == NULL) 1032 return -1; 1033 /* 1034 if (ac97_uninitmixer(codec)) 1035 return -1; 1036 */ 1037 ac97_destroy(codec); 1038 return 0; 1039 } 1040 1041 static int 1042 ac97mix_reinit(struct snd_mixer *m) 1043 { 1044 struct ac97_info *codec = mix_getdevinfo(m); 1045 1046 if (codec == NULL) 1047 return -1; 1048 return ac97_reinitmixer(codec); 1049 } 1050 1051 static int 1052 ac97mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 1053 { 1054 struct ac97_info *codec = mix_getdevinfo(m); 1055 1056 if (codec == NULL || dev >= AC97_MIXER_SIZE) 1057 return -1; 1058 return ac97_setmixer(codec, dev, left, right); 1059 } 1060 1061 static u_int32_t 1062 ac97mix_setrecsrc(struct snd_mixer *m, u_int32_t src) 1063 { 1064 int i; 1065 struct ac97_info *codec = mix_getdevinfo(m); 1066 1067 if (codec == NULL) 1068 return -1; 1069 for (i = 0; i < AC97_MIXER_SIZE; i++) 1070 if ((src & (1 << i)) != 0) 1071 break; 1072 return (ac97_setrecsrc(codec, i) == 0)? 1U << i : 0xffffffffU; 1073 } 1074 1075 static kobj_method_t ac97mixer_methods[] = { 1076 KOBJMETHOD(mixer_init, ac97mix_init), 1077 KOBJMETHOD(mixer_uninit, ac97mix_uninit), 1078 KOBJMETHOD(mixer_reinit, ac97mix_reinit), 1079 KOBJMETHOD(mixer_set, ac97mix_set), 1080 KOBJMETHOD(mixer_setrecsrc, ac97mix_setrecsrc), 1081 KOBJMETHOD_END 1082 }; 1083 MIXER_DECLARE(ac97mixer); 1084 1085 /* -------------------------------------------------------------------- */ 1086 1087 kobj_class_t 1088 ac97_getmixerclass(void) 1089 { 1090 return &ac97mixer_class; 1091 } 1092