xref: /netbsd-src/sys/dev/ic/ac97.c (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*      $NetBSD: ac97.c,v 1.43 2003/06/13 05:31:29 kent Exp $ */
2 /*	$OpenBSD: ac97.c,v 1.8 2000/07/19 09:01:35 csapuntz Exp $	*/
3 
4 /*
5  * Copyright (c) 1999, 2000 Constantine Sapuntzakis
6  *
7  * Author:        Constantine Sapuntzakis <csapuntz@stanford.edu>
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote
18  *    products derived from this software without specific prior written
19  *    permission.
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
31  * DAMAGE
32  */
33 
34 /* Partially inspired by FreeBSD's sys/dev/pcm/ac97.c. It came with
35    the following copyright */
36 
37 /*
38  * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
39  * All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60  * SUCH DAMAGE.
61  *
62  * $FreeBSD$
63  */
64 
65 #include <sys/cdefs.h>
66 __KERNEL_RCSID(0, "$NetBSD: ac97.c,v 1.43 2003/06/13 05:31:29 kent Exp $");
67 
68 #include <sys/param.h>
69 #include <sys/systm.h>
70 #include <sys/kernel.h>
71 #include <sys/malloc.h>
72 #include <sys/device.h>
73 
74 #include <sys/audioio.h>
75 #include <dev/audio_if.h>
76 
77 #include <dev/ic/ac97reg.h>
78 #include <dev/ic/ac97var.h>
79 
80 #define Ac97Ntone	"tone"
81 #define Ac97Nphone	"phone"
82 
83 static const struct audio_mixer_enum ac97_on_off = { 2,
84 					       { { { AudioNoff } , 0 },
85 						 { { AudioNon }  , 1 } }};
86 
87 static const struct audio_mixer_enum ac97_mic_select = { 2,
88 					       { { { AudioNmicrophone "0" },
89 						   0 },
90 						 { { AudioNmicrophone "1" },
91 						   1 } }};
92 
93 static const struct audio_mixer_enum ac97_mono_select = { 2,
94 					       { { { AudioNmixerout },
95 						   0 },
96 						 { { AudioNmicrophone },
97 						   1 } }};
98 
99 static const struct audio_mixer_enum ac97_source = { 8,
100 					       { { { AudioNmicrophone } , 0 },
101 						 { { AudioNcd }, 1 },
102 						 { { AudioNvideo }, 2 },
103 						 { { AudioNaux }, 3 },
104 						 { { AudioNline }, 4 },
105 						 { { AudioNmixerout }, 5 },
106 						 { { AudioNmixerout AudioNmono }, 6 },
107 						 { { Ac97Nphone }, 7 }}};
108 
109 /*
110  * Due to different values for each source that uses these structures,
111  * the ac97_query_devinfo function sets delta in mixer_devinfo_t using
112  * ac97_source_info.bits.
113  */
114 static const struct audio_mixer_value ac97_volume_stereo = { { AudioNvolume },
115 						       2 };
116 
117 static const struct audio_mixer_value ac97_volume_mono = { { AudioNvolume },
118 						     1 };
119 
120 #define WRAP(a)  &a, sizeof(a)
121 
122 const struct ac97_source_info {
123 	const char *class;
124 	const char *device;
125 	const char *qualifier;
126 
127 	int  type;
128 	const void *info;
129 	int  info_size;
130 
131 	u_int8_t  reg;
132 	u_int16_t default_value;
133 	u_int8_t  bits:3;
134 	u_int8_t  ofs:4;
135 	u_int8_t  mute:1;
136 	u_int8_t  polarity:1;   /* Does 0 == MAX or MIN */
137 	enum {
138 		CHECK_NONE = 0,
139 		CHECK_SURROUND,
140 		CHECK_CENTER,
141 		CHECK_LFE,
142 		CHECK_HEADPHONES,
143 		CHECK_TONE,
144 		CHECK_MIC,
145 		CHECK_LOUDNESS,
146 		CHECK_3D
147 	} req_feature;
148 
149 	int  prev;
150 	int  next;
151 	int  mixer_class;
152 } source_info[] = {
153 	{ AudioCinputs,		NULL,		NULL,
154 	  AUDIO_MIXER_CLASS, },
155 	{ AudioCoutputs,	NULL,		NULL,
156 	  AUDIO_MIXER_CLASS, },
157 	{ AudioCrecord,		NULL,		NULL,
158 	  AUDIO_MIXER_CLASS, },
159 	/* Stereo master volume*/
160 	{ AudioCoutputs,	AudioNmaster,	NULL,
161 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
162 	  AC97_REG_MASTER_VOLUME, 0x8000, 5, 0, 1,
163 	},
164 	/* Mono volume */
165 	{ AudioCoutputs,	AudioNmono,	NULL,
166 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
167 	  AC97_REG_MASTER_VOLUME_MONO, 0x8000, 6, 0, 1,
168 	},
169 	{ AudioCoutputs,	AudioNmono,	AudioNsource,
170 	  AUDIO_MIXER_ENUM, WRAP(ac97_mono_select),
171 	  AC97_REG_GP, 0x0000, 1, 9, 0,
172 	},
173 	/* Headphone volume */
174 	{ AudioCoutputs,	AudioNheadphone, NULL,
175 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
176 	  AC97_REG_HEADPHONE_VOLUME, 0x8000, 6, 0, 1, 0, CHECK_HEADPHONES
177 	},
178 	/* Surround volume - logic hard coded for mute */
179 	{ AudioCoutputs,	AudioNsurround,	NULL,
180 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
181 	  AC97_REG_SURR_MASTER, 0x8080, 5, 0, 1, 0, CHECK_SURROUND
182 	},
183 	/* Center volume*/
184 	{ AudioCoutputs,	AudioNcenter,	NULL,
185 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
186 	  AC97_REG_CENTER_LFE_MASTER, 0x8080, 5, 0, 0, 0, CHECK_CENTER
187 	},
188 	{ AudioCoutputs,	AudioNcenter,	AudioNmute,
189 	  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
190 	  AC97_REG_CENTER_LFE_MASTER, 0x8080, 1, 7, 0, 0, CHECK_CENTER
191 	},
192 	/* LFE volume*/
193 	{ AudioCoutputs,	AudioNlfe,	NULL,
194 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
195 	  AC97_REG_CENTER_LFE_MASTER, 0x8080, 5, 8, 0, 0, CHECK_LFE
196 	},
197 	{ AudioCoutputs,	AudioNlfe,	AudioNmute,
198 	  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
199 	  AC97_REG_CENTER_LFE_MASTER, 0x8080, 1, 15, 0, 0, CHECK_LFE
200 	},
201 	/* Tone */
202 	{ AudioCoutputs,	Ac97Ntone,	NULL,
203 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
204 	  AC97_REG_MASTER_TONE, 0x0f0f, 4, 0, 0, 0, CHECK_TONE
205 	},
206 	/* PC Beep Volume */
207 	{ AudioCinputs,		AudioNspeaker,	NULL,
208 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
209 	  AC97_REG_PCBEEP_VOLUME, 0x0000, 4, 1, 1,
210 	},
211 
212 	/* Phone */
213 	{ AudioCinputs,		Ac97Nphone,	NULL,
214 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
215 	  AC97_REG_PHONE_VOLUME, 0x8008, 5, 0, 1,
216 	},
217 	/* Mic Volume */
218 	{ AudioCinputs,		AudioNmicrophone, NULL,
219 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
220 	  AC97_REG_MIC_VOLUME, 0x8008, 5, 0, 1,
221 	},
222 	{ AudioCinputs,		AudioNmicrophone, AudioNpreamp,
223 	  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
224 	  AC97_REG_MIC_VOLUME, 0x8008, 1, 6, 0,
225 	},
226 	{ AudioCinputs,		AudioNmicrophone, AudioNsource,
227 	  AUDIO_MIXER_ENUM, WRAP(ac97_mic_select),
228 	  AC97_REG_GP, 0x0000, 1, 8, 0,
229 	},
230 	/* Line in Volume */
231 	{ AudioCinputs,		AudioNline,	NULL,
232 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
233 	  AC97_REG_LINEIN_VOLUME, 0x8808, 5, 0, 1,
234 	},
235 	/* CD Volume */
236 	{ AudioCinputs,		AudioNcd,	NULL,
237 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
238 	  AC97_REG_CD_VOLUME, 0x8808, 5, 0, 1,
239 	},
240 	/* Video Volume */
241 	{ AudioCinputs,		AudioNvideo,	NULL,
242 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
243 	  AC97_REG_VIDEO_VOLUME, 0x8808, 5, 0, 1,
244 	},
245 	/* AUX volume */
246 	{ AudioCinputs,		AudioNaux,	NULL,
247 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
248 	  AC97_REG_AUX_VOLUME, 0x8808, 5, 0, 1,
249 	},
250 	/* PCM out volume */
251 	{ AudioCinputs,		AudioNdac,	NULL,
252 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
253 	  AC97_REG_PCMOUT_VOLUME, 0x8808, 5, 0, 1,
254 	},
255 	/* Record Source - some logic for this is hard coded - see below */
256 	{ AudioCrecord,		AudioNsource,	NULL,
257 	  AUDIO_MIXER_ENUM, WRAP(ac97_source),
258 	  AC97_REG_RECORD_SELECT, 0x0000, 3, 0, 0,
259 	},
260 	/* Record Gain */
261 	{ AudioCrecord,		AudioNvolume,	NULL,
262 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_stereo),
263 	  AC97_REG_RECORD_GAIN, 0x8000, 4, 0, 1, 1,
264 	},
265 	/* Record Gain mic */
266 	{ AudioCrecord,		AudioNmicrophone, NULL,
267 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
268 	  AC97_REG_RECORD_GAIN_MIC, 0x8000, 4, 0, 1, 1, CHECK_MIC
269 	},
270 	/* */
271 	{ AudioCoutputs,	AudioNloudness,	NULL,
272 	  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
273 	  AC97_REG_GP, 0x0000, 1, 12, 0, 0, CHECK_LOUDNESS
274 	},
275 	{ AudioCoutputs,	AudioNspatial,	NULL,
276 	  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
277 	  AC97_REG_GP, 0x0000, 1, 13, 0, 1, CHECK_3D
278 	},
279 	{ AudioCoutputs,	AudioNspatial,	"center",
280 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
281 	  AC97_REG_3D_CONTROL, 0x0000, 4, 8, 0, 1, CHECK_3D
282 	},
283 	{ AudioCoutputs,	AudioNspatial,	"depth",
284 	  AUDIO_MIXER_VALUE, WRAP(ac97_volume_mono),
285 	  AC97_REG_3D_CONTROL, 0x0000, 4, 0, 0, 1, CHECK_3D
286 	},
287 
288 	/* Missing features: Simulated Stereo, POP, Loopback mode */
289 } ;
290 
291 #define SOURCE_INFO_SIZE (sizeof(source_info)/sizeof(source_info[0]))
292 
293 /*
294  * Check out http://developer.intel.com/pc-supp/platform/ac97/ for
295  * information on AC-97
296  */
297 
298 struct ac97_softc {
299 	/* ac97_codec_if must be at the first of ac97_softc. */
300 	struct ac97_codec_if codec_if;
301 
302 	struct ac97_host_if *host_if;
303 
304 #define MAX_SOURCES	(2 * SOURCE_INFO_SIZE)
305 	struct ac97_source_info source_info[MAX_SOURCES];
306 	int num_source_info;
307 
308 	enum ac97_host_flags host_flags;
309 	unsigned int ac97_clock; /* usually 48000 */
310 #define AC97_STANDARD_CLOCK	48000U
311 	u_int16_t caps;		/* -> AC97_REG_RESET */
312 	u_int16_t ext_id;	/* -> AC97_REG_EXT_AUDIO_ID */
313 	u_int16_t shadow_reg[128];
314 };
315 
316 int ac97_mixer_get_port __P((struct ac97_codec_if *self, mixer_ctrl_t *cp));
317 int ac97_mixer_set_port __P((struct ac97_codec_if *self, mixer_ctrl_t *));
318 int ac97_query_devinfo __P((struct ac97_codec_if *self, mixer_devinfo_t *));
319 int ac97_get_portnum_by_name __P((struct ac97_codec_if *, const char *,
320 				  const char *, const char *));
321 void ac97_restore_shadow __P((struct ac97_codec_if *self));
322 int ac97_set_rate(struct ac97_codec_if *codec_if, int target, u_long *rate);
323 void ac97_set_clock(struct ac97_codec_if *codec_if, unsigned int clock);
324 u_int16_t ac97_get_extcaps(struct ac97_codec_if *codec_if);
325 int ac97_add_port(struct ac97_softc *as, const struct ac97_source_info *src);
326 
327 static void ac97_ad1981_init(struct ac97_softc *);
328 static void ac97_alc650_init(struct ac97_softc *);
329 static void ac97_vt1616_init(struct ac97_softc *);
330 
331 struct ac97_codec_if_vtbl ac97civ = {
332 	ac97_mixer_get_port,
333 	ac97_mixer_set_port,
334 	ac97_query_devinfo,
335 	ac97_get_portnum_by_name,
336 	ac97_restore_shadow,
337 	ac97_get_extcaps,
338 	ac97_set_rate,
339 	ac97_set_clock,
340 };
341 
342 static const struct ac97_codecid {
343 	u_int32_t id;
344 	u_int32_t mask;
345 	const char *name;
346 	void (*init)(struct ac97_softc *);
347 } ac97codecid[] = {
348 	/*
349 	 * Analog Devices SoundMAX
350 	 * http://www.soundmax.com/products/information/codecs.html
351 	 * http://www.analog.com/productSelection/pdf/AD1881A_0.pdf
352 	 * http://www.analog.com/productSelection/pdf/AD1885_0.pdf
353 	 * http://www.analog.com/productSelection/pdf/AD1981A_0.pdf
354 	 * http://www.analog.com/productSelection/pdf/AD1981B_0.pdf
355 	 */
356 	{ AC97_CODEC_ID('A', 'D', 'S', 3),
357 	  0xffffffff,			"Analog Devices AD1819B" },
358 	{ AC97_CODEC_ID('A', 'D', 'S', 0x40),
359 	  0xffffffff,			"Analog Devices AD1881" },
360 	{ AC97_CODEC_ID('A', 'D', 'S', 0x48),
361 	  0xffffffff,			"Analog Devices AD1881A" },
362 	{ AC97_CODEC_ID('A', 'D', 'S', 0x60),
363 	  0xffffffff,			"Analog Devices AD1885" },
364 	{ AC97_CODEC_ID('A', 'D', 'S', 0x61),
365 	  0xffffffff,			"Analog Devices AD1886" },
366 	{ AC97_CODEC_ID('A', 'D', 'S', 0x63),
367 	  0xffffffff,			"Analog Devices AD1886A" },
368 	{ AC97_CODEC_ID('A', 'D', 'S', 0x70),
369 	  0xffffffff,			"Analog Devices AD1981", ac97_ad1981_init },
370 	{ AC97_CODEC_ID('A', 'D', 'S', 0x72),
371 	  0xffffffff,			"Analog Devices AD1981A" },
372 	{ AC97_CODEC_ID('A', 'D', 'S', 0x74),
373 	  0xffffffff,			"Analog Devices AD1981B" },
374 	{ AC97_CODEC_ID('A', 'D', 'S', 0),
375 	  AC97_VENDOR_ID_MASK,		"Analog Devices unknown" },
376 
377 	/*
378 	 * Datasheets:
379 	 *	http://www.asahi-kasei.co.jp/akm/usa/product/ak4541/ek4541.pdf
380 	 *	http://www.asahi-kasei.co.jp/akm/usa/product/ak4543/ek4543.pdf
381 	 *	http://www.asahi-kasei.co.jp/akm/usa/product/ak4544a/ek4544a.pdf
382 	 *	http://www.asahi-kasei.co.jp/akm/usa/product/ak4545/ek4545.pdf
383 	 */
384 	{ AC97_CODEC_ID('A', 'K', 'M', 0),
385 	  0xffffffff,			"Asahi Kasei AK4540"	},
386 	{ AC97_CODEC_ID('A', 'K', 'M', 1),
387 	  0xffffffff,			"Asahi Kasei AK4542"	},
388 	{ AC97_CODEC_ID('A', 'K', 'M', 2),
389 	  0xffffffff,			"Asahi Kasei AK4541/AK4543" },
390 	{ AC97_CODEC_ID('A', 'K', 'M', 5),
391 	  0xffffffff,			"Asahi Kasei AK4544" },
392 	{ AC97_CODEC_ID('A', 'K', 'M', 6),
393 	  0xffffffff,			"Asahi Kasei AK4544A" },
394 	{ AC97_CODEC_ID('A', 'K', 'M', 7),
395 	  0xffffffff,			"Asahi Kasei AK4545" },
396 	{ AC97_CODEC_ID('A', 'K', 'M', 0),
397 	  AC97_VENDOR_ID_MASK,		"Asahi Kasei unknown" },
398 
399 	/*
400 	 * Realtek & Avance Logic
401 	 *	http://www.realtek.com.tw/downloads/downloads1-3.aspx?lineid=5&famid=All&series=All&Spec=True
402 	 */
403 	{ AC97_CODEC_ID('A', 'L', 'C', 0x00),
404 	  0xfffffff0,			"Realtek RL5306"	},
405 	{ AC97_CODEC_ID('A', 'L', 'C', 0x10),
406 	  0xfffffff0,			"Realtek RL5382"	},
407 	{ AC97_CODEC_ID('A', 'L', 'C', 0x20),
408 	  0xfffffff0,			"Realtek RL5383/RL5522/ALC100"	},
409 	{ AC97_CODEC_ID('A', 'L', 'G', 0x10),
410 	  0xffffffff,			"Avance Logic ALC200/ALC201"	},
411 	{ AC97_CODEC_ID('A', 'L', 'G', 0x20),
412 	  0xffffffff,			"Avance Logic ALC650", ac97_alc650_init },
413 	{ AC97_CODEC_ID('A', 'L', 'G', 0x30),
414 	  0xffffffff,			"Avance Logic ALC101"	},
415 	{ AC97_CODEC_ID('A', 'L', 'G', 0x40),
416 	  0xffffffff,			"Avance Logic ALC202"	},
417 	{ AC97_CODEC_ID('A', 'L', 'G', 0x50),
418 	  0xffffffff,			"Avance Logic ALC250"	},
419 	{ AC97_CODEC_ID('A', 'L', 'C', 0),
420 	  AC97_VENDOR_ID_MASK,		"Realtek unknown"	},
421 	{ AC97_CODEC_ID('A', 'L', 'G', 0),
422 	  AC97_VENDOR_ID_MASK,		"Avance Logic unknown"	},
423 
424 	/* Cirrus Logic, Crystal series:
425 	 *  'C' 'R' 'Y' 0x0[0-7]  - CS4297
426 	 *              0x1[0-7]  - CS4297A
427 	 *              0x2[0-7]  - CS4298
428 	 *              0x2[8-f]  - CS4294
429 	 *              0x3[0-7]  - CS4299
430 	 *              0x4[8-f]  - CS4201
431 	 *              0x5[8-f]  - CS4205
432 	 *              0x6[0-7]  - CS4291
433 	 *              0x7[0-7]  - CS4202
434 	 * Datasheets:
435 	 *	http://www.cirrus.com/pubs/cs4297A-5.pdf?DocumentID=593
436 	 *	http://www.cirrus.com/pubs/cs4294.pdf?DocumentID=32
437 	 *	http://www.cirrus.com/pubs/cs4299-5.pdf?DocumentID=594
438 	 *	http://www.cirrus.com/pubs/cs4201-2.pdf?DocumentID=492
439 	 *	http://www.cirrus.com/pubs/cs4205-2.pdf?DocumentID=492
440 	 *	http://www.cirrus.com/pubs/cs4202-1.pdf?DocumentID=852
441 	 */
442 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x00),
443 	  0xfffffff8,			"Crystal CS4297",	},
444 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x10),
445 	  0xfffffff8,			"Crystal CS4297A",	},
446 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x20),
447 	  0xfffffff8,			"Crystal CS4298",	},
448 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x28),
449 	  0xfffffff8,			"Crystal CS4294",	},
450 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x30),
451 	  0xfffffff8,			"Crystal CS4299",	},
452 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x48),
453 	  0xfffffff8,			"Crystal CS4201",	},
454 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x58),
455 	  0xfffffff8,			"Crystal CS4205",	},
456 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x60),
457 	  0xfffffff8,			"Crystal CS4291",	},
458 	{ AC97_CODEC_ID('C', 'R', 'Y', 0x70),
459 	  0xfffffff8,			"Crystal CS4202",	},
460 	{ AC97_CODEC_ID('C', 'R', 'Y', 0),
461 	  AC97_VENDOR_ID_MASK,		"Cirrus Logic unknown",	},
462 
463 	{ 0x45838308, 0xffffffff,	"ESS Technology ES1921", },
464 	{ 0x45838300, AC97_VENDOR_ID_MASK, "ESS Technology unknown", },
465 
466 	{ AC97_CODEC_ID('H', 'R', 'S', 0),
467 	  0xffffffff,			"Intersil HMP9701",	},
468 	{ AC97_CODEC_ID('H', 'R', 'S', 0),
469 	  AC97_VENDOR_ID_MASK,		"Intersil unknown",	},
470 
471 	/*
472 	 * IC Ensemble (VIA)
473 	 *	http://www.viatech.com/en/datasheet/DS1616.pdf
474 	 */
475 	{ AC97_CODEC_ID('I', 'C', 'E', 0x01),
476 	  0xffffffff,			"ICEnsemble ICE1230/VT1611",	},
477 	{ AC97_CODEC_ID('I', 'C', 'E', 0x11),
478 	  0xffffffff,			"ICEnsemble ICE1232/VT1611A",	},
479 	{ AC97_CODEC_ID('I', 'C', 'E', 0x14),
480 	  0xffffffff,			"ICEnsemble ICE1232A",	},
481 	{ AC97_CODEC_ID('I', 'C', 'E', 0x51),
482 	  0xffffffff,			"VIA Technologies VT1616", ac97_vt1616_init },
483 	{ AC97_CODEC_ID('I', 'C', 'E', 0),
484 	  AC97_VENDOR_ID_MASK,		"ICEnsemble unknown",	},
485 
486 	{ AC97_CODEC_ID('N', 'S', 'C', 0),
487 	  0xffffffff,			"National Semiconductor LM454[03568]", },
488 	{ AC97_CODEC_ID('N', 'S', 'C', 49),
489 	  0xffffffff,			"National Semiconductor LM4549", },
490 	{ AC97_CODEC_ID('N', 'S', 'C', 0),
491 	  AC97_VENDOR_ID_MASK,		"National Semiconductor unknown", },
492 
493 	{ AC97_CODEC_ID('P', 'S', 'C', 4),
494 	  0xffffffff,			"Philips Semiconductor UCB1400", },
495 	{ AC97_CODEC_ID('P', 'S', 'C', 0),
496 	  AC97_VENDOR_ID_MASK,		"Philips Semiconductor unknown", },
497 
498 	{ AC97_CODEC_ID('S', 'I', 'L', 34),
499 	  0xffffffff,			"Silicon Laboratory Si3036", },
500 	{ AC97_CODEC_ID('S', 'I', 'L', 35),
501 	  0xffffffff,			"Silicon Laboratory Si3038", },
502 	{ AC97_CODEC_ID('S', 'I', 'L', 0),
503 	  AC97_VENDOR_ID_MASK,		"Silicon Laboratory unknown", },
504 
505 	{ AC97_CODEC_ID('T', 'R', 'A', 2),
506 	  0xffffffff,			"TriTech TR28022",	},
507 	{ AC97_CODEC_ID('T', 'R', 'A', 3),
508 	  0xffffffff,			"TriTech TR28023",	},
509 	{ AC97_CODEC_ID('T', 'R', 'A', 6),
510 	  0xffffffff,			"TriTech TR28026",	},
511 	{ AC97_CODEC_ID('T', 'R', 'A', 8),
512 	  0xffffffff,			"TriTech TR28028",	},
513 	{ AC97_CODEC_ID('T', 'R', 'A', 35),
514 	  0xffffffff,			"TriTech TR28602",	},
515 	{ AC97_CODEC_ID('T', 'R', 'A', 0),
516 	  AC97_VENDOR_ID_MASK,		"TriTech unknown",	},
517 
518 	{ AC97_CODEC_ID('T', 'X', 'N', 0x20),
519 	  0xffffffff,			"Texas Instruments TLC320AD9xC", },
520 	{ AC97_CODEC_ID('T', 'X', 'N', 0),
521 	  AC97_VENDOR_ID_MASK,		"Texas Instruments unknown", },
522 
523 	/*
524 	 * VIA
525 	 * http://www.viatech.com/en/multimedia/audio.jsp
526 	 */
527 	{ AC97_CODEC_ID('V', 'I', 'A', 0x61),
528 	  0xffffffff,			"VIA Technologies VT1612A", },
529 	{ AC97_CODEC_ID('V', 'I', 'A', 0),
530 	  AC97_VENDOR_ID_MASK,		"VIA Technologies unknown", },
531 
532 	{ AC97_CODEC_ID('W', 'E', 'C', 1),
533 	  0xffffffff,			"Winbond W83971D",	},
534 	{ AC97_CODEC_ID('W', 'E', 'C', 0),
535 	  AC97_VENDOR_ID_MASK,		"Winbond unknown",	},
536 
537 	/*
538 	 * http://www.wolfsonmicro.com/product_list.asp?cid=64
539 	 *	http://www.wolfsonmicro.com/download.asp/did.56/WM9701A.pdf - 00
540 	 *	http://www.wolfsonmicro.com/download.asp/did.57/WM9703.pdf  - 03
541 	 *	http://www.wolfsonmicro.com/download.asp/did.58/WM9704M.pdf - 04
542 	 *	http://www.wolfsonmicro.com/download.asp/did.59/WM9704Q.pdf - 04
543 	 *	http://www.wolfsonmicro.com/download.asp/did.184/WM9705_Rev34.pdf - 05
544 	 *	http://www.wolfsonmicro.com/download.asp/did.60/WM9707.pdf  - 03
545 	 *	http://www.wolfsonmicro.com/download.asp/did.136/WM9708.pdf - 03
546 	 *	http://www.wolfsonmicro.com/download.asp/did.243/WM9710.pdf - 05
547 	 */
548 	{ AC97_CODEC_ID('W', 'M', 'L', 0),
549 	  0xffffffff,			"Wolfson WM9701A",	},
550 	{ AC97_CODEC_ID('W', 'M', 'L', 3),
551 	  0xffffffff,			"Wolfson WM9703/WM9707/WM9708",	},
552 	{ AC97_CODEC_ID('W', 'M', 'L', 4),
553 	  0xffffffff,			"Wolfson WM9704",	},
554 	{ AC97_CODEC_ID('W', 'M', 'L', 5),
555 	  0xffffffff,			"Wolfson WM9705/WM9710", },
556 	{ AC97_CODEC_ID('W', 'M', 'L', 0),
557 	  AC97_VENDOR_ID_MASK,		"Wolfson unknown",	},
558 
559 	/*
560 	 * http://www.yamaha.co.jp/english/product/lsi/us/products/pcaudio.html
561 	 * Datasheets:
562 	 *	http://www.yamaha.co.jp/english/product/lsi/us/products/pdf/4MF743A20.pdf
563 	 *	http://www.yamaha.co.jp/english/product/lsi/us/products/pdf/4MF753A20.pdf
564 	 */
565 	{ AC97_CODEC_ID('Y', 'M', 'H', 0),
566 	  0xffffffff,			"Yamaha YMF743-S",	},
567 	{ AC97_CODEC_ID('Y', 'M', 'H', 3),
568 	  0xffffffff,			"Yamaha YMF753-S",	},
569 	{ AC97_CODEC_ID('Y', 'M', 'H', 0),
570 	  AC97_VENDOR_ID_MASK,		"Yamaha unknown",	},
571 
572 	/*
573 	 * http://www.sigmatel.com/audio/audio_codecs.htm
574 	 */
575 	{ 0x83847600, 0xffffffff,	"SigmaTel STAC9700",	},
576 	{ 0x83847604, 0xffffffff,	"SigmaTel STAC9701/3/4/5", },
577 	{ 0x83847605, 0xffffffff,	"SigmaTel STAC9704",	},
578 	{ 0x83847608, 0xffffffff,	"SigmaTel STAC9708",	},
579 	{ 0x83847609, 0xffffffff,	"SigmaTel STAC9721/23",	},
580 	{ 0x83847644, 0xffffffff,	"SigmaTel STAC9744/45",	},
581 	{ 0x83847650, 0xffffffff,	"SigmaTel STAC9750/51",	},
582 	{ 0x83847656, 0xffffffff,	"SigmaTel STAC9756/57",	},
583 	{ 0x83847666, 0xffffffff,	"SigmaTel STAC9766/67",	},
584 	{ 0x83847684, 0xffffffff,	"SigmaTel STAC9783/84",	},
585 	{ 0x83847600, AC97_VENDOR_ID_MASK, "SigmaTel unknown",	},
586 
587 	{ 0,
588 	  0,			NULL,			}
589 };
590 
591 static const char * const ac97enhancement[] = {
592 	"no 3D stereo",
593 	"Analog Devices Phat Stereo",
594 	"Creative",
595 	"National Semi 3D",
596 	"Yamaha Ymersion",
597 	"BBE 3D",
598 	"Crystal Semi 3D",
599 	"Qsound QXpander",
600 	"Spatializer 3D",
601 	"SRS 3D",
602 	"Platform Tech 3D",
603 	"AKM 3D",
604 	"Aureal",
605 	"AZTECH 3D",
606 	"Binaura 3D",
607 	"ESS Technology",
608 	"Harman International VMAx",
609 	"Nvidea 3D",
610 	"Philips Incredible Sound",
611 	"Texas Instruments' 3D",
612 	"VLSI Technology 3D",
613 	"TriTech 3D",
614 	"Realtek 3D",
615 	"Samsung 3D",
616 	"Wolfson Microelectronics 3D",
617 	"Delta Integration 3D",
618 	"SigmaTel 3D",
619 	"KS Waves 3D",
620 	"Rockwell 3D",
621 	"Unknown 3D",
622 	"Unknown 3D",
623 	"Unknown 3D",
624 };
625 
626 static const char * const ac97feature[] = {
627 	"dedicated mic channel",
628 	"reserved",
629 	"tone",
630 	"simulated stereo",
631 	"headphone",
632 	"bass boost",
633 	"18 bit DAC",
634 	"20 bit DAC",
635 	"18 bit ADC",
636 	"20 bit ADC"
637 };
638 
639 
640 int ac97_str_equal __P((const char *, const char *));
641 int ac97_check_capability(struct ac97_softc *, int);
642 void ac97_setup_source_info __P((struct ac97_softc *));
643 void ac97_read __P((struct ac97_softc *, u_int8_t, u_int16_t *));
644 void ac97_setup_defaults __P((struct ac97_softc *));
645 int ac97_write __P((struct ac97_softc *, u_int8_t, u_int16_t));
646 
647 /* #define AC97_DEBUG 10 */
648 
649 #ifdef AUDIO_DEBUG
650 #define DPRINTF(x)	if (ac97debug) printf x
651 #define DPRINTFN(n,x)	if (ac97debug>(n)) printf x
652 #ifdef AC97_DEBUG
653 int	ac97debug = AC97_DEBUG;
654 #else
655 int	ac97debug = 0;
656 #endif
657 #else
658 #define DPRINTF(x)
659 #define DPRINTFN(n,x)
660 #endif
661 
662 void
663 ac97_read(as, reg, val)
664 	struct ac97_softc *as;
665 	u_int8_t reg;
666 	u_int16_t *val;
667 {
668 
669 	if (as->host_flags & AC97_HOST_DONT_READ &&
670 	    (reg != AC97_REG_VENDOR_ID1 && reg != AC97_REG_VENDOR_ID2 &&
671 	     reg != AC97_REG_RESET)) {
672 		*val = as->shadow_reg[reg >> 1];
673 		return;
674 	}
675 
676 	if (as->host_if->read(as->host_if->arg, reg, val)) {
677 		*val = as->shadow_reg[reg >> 1];
678 	}
679 }
680 
681 int
682 ac97_write(as, reg, val)
683 	struct ac97_softc *as;
684 	u_int8_t reg;
685 	u_int16_t val;
686 {
687 
688 	as->shadow_reg[reg >> 1] = val;
689 
690 	return (as->host_if->write(as->host_if->arg, reg, val));
691 }
692 
693 void
694 ac97_setup_defaults(as)
695 	struct ac97_softc *as;
696 {
697 	int idx;
698 	const struct ac97_source_info *si;
699 
700 	memset(as->shadow_reg, 0, sizeof(as->shadow_reg));
701 
702 	for (idx = 0; idx < SOURCE_INFO_SIZE; idx++) {
703 		si = &source_info[idx];
704 		ac97_write(as, si->reg, si->default_value);
705 	}
706 }
707 
708 void
709 ac97_restore_shadow(self)
710 	struct ac97_codec_if *self;
711 {
712 	struct ac97_softc *as = (struct ac97_softc *) self;
713 	int idx;
714 	const struct ac97_source_info *si;
715 
716 	for (idx = 0; idx < SOURCE_INFO_SIZE; idx++) {
717 		si = &source_info[idx];
718 		ac97_write(as, si->reg, as->shadow_reg[si->reg >> 1]);
719 	}
720 
721 	if (as->ext_id & (AC97_EXT_AUDIO_VRA | AC97_EXT_AUDIO_DRA
722 			  | AC97_EXT_AUDIO_SPDIF | AC97_EXT_AUDIO_VRM
723 			  | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_SDAC
724 			  | AC97_EXT_AUDIO_LDAC)) {
725 		ac97_write(as, AC97_REG_EXT_AUDIO_CTRL,
726 		    as->shadow_reg[AC97_REG_EXT_AUDIO_CTRL >> 1]);
727 	}
728 }
729 
730 int
731 ac97_str_equal(a, b)
732 	const char *a, *b;
733 {
734 	return ((a == b) || (a && b && (!strcmp(a, b))));
735 }
736 
737 int
738 ac97_check_capability(struct ac97_softc *as, int check)
739 {
740 	switch (check) {
741 	case CHECK_NONE:
742 		return 1;
743 	case CHECK_SURROUND:
744 		return as->ext_id & AC97_EXT_AUDIO_SDAC;
745 	case CHECK_CENTER:
746 		return as->ext_id & AC97_EXT_AUDIO_CDAC;
747 	case CHECK_LFE:
748 		return as->ext_id & AC97_EXT_AUDIO_LDAC;
749 	case CHECK_HEADPHONES:
750 		return as->caps & AC97_CAPS_HEADPHONES;
751 	case CHECK_TONE:
752 		return as->caps & AC97_CAPS_TONECTRL;
753 	case CHECK_MIC:
754 		return as->caps & AC97_CAPS_MICIN;
755 	case CHECK_LOUDNESS:
756 		return as->caps & AC97_CAPS_LOUDNESS;
757 	case CHECK_3D:
758 		return AC97_CAPS_ENHANCEMENT(as->caps) != 0;
759 	default:
760 		printf("%s: internal error: feature=%d\n", __func__, check);
761 		return 0;
762 	}
763 }
764 
765 void
766 ac97_setup_source_info(as)
767 	struct ac97_softc *as;
768 {
769 	int idx, ouridx;
770 	struct ac97_source_info *si, *si2;
771 
772 	for (idx = 0, ouridx = 0; idx < SOURCE_INFO_SIZE; idx++) {
773 		si = &as->source_info[ouridx];
774 
775 		if (!ac97_check_capability(as, source_info[idx].req_feature))
776 			continue;
777 
778 		memcpy(si, &source_info[idx], sizeof(*si));
779 
780 		switch (si->type) {
781 		case AUDIO_MIXER_CLASS:
782 			si->mixer_class = ouridx;
783 			ouridx++;
784 			break;
785 		case AUDIO_MIXER_VALUE:
786 			/* Todo - Test to see if it works */
787 			ouridx++;
788 
789 			/* Add an entry for mute, if necessary */
790 			if (si->mute) {
791 				si = &as->source_info[ouridx];
792 				memcpy(si, &source_info[idx], sizeof(*si));
793 				si->qualifier = AudioNmute;
794 				si->type = AUDIO_MIXER_ENUM;
795 				si->info = &ac97_on_off;
796 				si->info_size = sizeof(ac97_on_off);
797 				si->bits = 1;
798 				si->ofs = 15;
799 				si->mute = 0;
800 				si->polarity = 0;
801 				ouridx++;
802 			}
803 			break;
804 		case AUDIO_MIXER_ENUM:
805 			/* Todo - Test to see if it works */
806 			ouridx++;
807 			break;
808 		default:
809 			aprint_error ("ac97: shouldn't get here\n");
810 			break;
811 		}
812 	}
813 
814 	as->num_source_info = ouridx;
815 
816 	for (idx = 0; idx < as->num_source_info; idx++) {
817 		int idx2, previdx;
818 
819 		si = &as->source_info[idx];
820 
821 		/* Find mixer class */
822 		for (idx2 = 0; idx2 < as->num_source_info; idx2++) {
823 			si2 = &as->source_info[idx2];
824 
825 			if (si2->type == AUDIO_MIXER_CLASS &&
826 			    ac97_str_equal(si->class,
827 					   si2->class)) {
828 				si->mixer_class = idx2;
829 			}
830 		}
831 
832 
833 		/* Setup prev and next pointers */
834 		if (si->prev != 0)
835 			continue;
836 
837 		if (si->qualifier)
838 			continue;
839 
840 		si->prev = AUDIO_MIXER_LAST;
841 		previdx = idx;
842 
843 		for (idx2 = 0; idx2 < as->num_source_info; idx2++) {
844 			if (idx2 == idx)
845 				continue;
846 
847 			si2 = &as->source_info[idx2];
848 
849 			if (!si2->prev &&
850 			    ac97_str_equal(si->class, si2->class) &&
851 			    ac97_str_equal(si->device, si2->device)) {
852 				as->source_info[previdx].next = idx2;
853 				as->source_info[idx2].prev = previdx;
854 
855 				previdx = idx2;
856 			}
857 		}
858 
859 		as->source_info[previdx].next = AUDIO_MIXER_LAST;
860 	}
861 }
862 
863 int
864 ac97_attach(host_if)
865 	struct ac97_host_if *host_if;
866 {
867 	struct ac97_softc *as;
868 	struct device *sc_dev = (struct device *)host_if->arg;
869 	int error, i, j;
870 	u_int32_t id;
871 	u_int16_t id1, id2;
872 	u_int16_t extstat, rate;
873 	mixer_ctrl_t ctl;
874 	const char *delim;
875 	void (*initfunc)(struct ac97_softc *);
876 
877 	initfunc = NULL;
878 	as = malloc(sizeof(struct ac97_softc), M_DEVBUF, M_WAITOK|M_ZERO);
879 
880 	if (as == NULL)
881 		return (ENOMEM);
882 
883 	as->codec_if.vtbl = &ac97civ;
884 	as->host_if = host_if;
885 
886 	if ((error = host_if->attach(host_if->arg, &as->codec_if))) {
887 		free(as, M_DEVBUF);
888 		return (error);
889 	}
890 
891 	host_if->reset(host_if->arg);
892 
893 	host_if->write(host_if->arg, AC97_REG_POWER, 0);
894 	host_if->write(host_if->arg, AC97_REG_RESET, 0);
895 
896 	if (host_if->flags)
897 		as->host_flags = host_if->flags(host_if->arg);
898 
899 	ac97_setup_defaults(as);
900 	ac97_read(as, AC97_REG_VENDOR_ID1, &id1);
901 	ac97_read(as, AC97_REG_VENDOR_ID2, &id2);
902 	ac97_read(as, AC97_REG_RESET, &as->caps);
903 
904 	id = (id1 << 16) | id2;
905 
906 	aprint_normal("%s: ", sc_dev->dv_xname);
907 
908 	for (i = 0; ; i++) {
909 		if (ac97codecid[i].id == 0) {
910 			char pnp[4];
911 
912 			AC97_GET_CODEC_ID(id, pnp);
913 #define ISASCII(c) ((c) >= ' ' && (c) < 0x7f)
914 			if (ISASCII(pnp[0]) && ISASCII(pnp[1]) &&
915 			    ISASCII(pnp[2]))
916 				aprint_normal("%c%c%c%d",
917 				    pnp[0], pnp[1], pnp[2], pnp[3]);
918 			else
919 				aprint_normal("unknown (0x%08x)", id);
920 			break;
921 		}
922 		if (ac97codecid[i].id == (id & ac97codecid[i].mask)) {
923 			aprint_normal("%s", ac97codecid[i].name);
924 			if (ac97codecid[i].mask == AC97_VENDOR_ID_MASK) {
925 				aprint_normal(" (0x%08x)", id);
926 			}
927 			initfunc = ac97codecid[i].init;
928 			break;
929 		}
930 	}
931 	aprint_normal(" codec; ");
932 	for (i = j = 0; i < 10; i++) {
933 		if (as->caps & (1 << i)) {
934 			aprint_normal("%s%s", j? ", " : "", ac97feature[i]);
935 			j++;
936 		}
937 	}
938 	aprint_normal("%s%s\n", j ? ", " : "",
939 	       ac97enhancement[AC97_CAPS_ENHANCEMENT(as->caps)]);
940 
941 	as->ac97_clock = AC97_STANDARD_CLOCK;
942 	ac97_read(as, AC97_REG_EXT_AUDIO_ID, &as->ext_id);
943 	if (as->ext_id & (AC97_EXT_AUDIO_VRA | AC97_EXT_AUDIO_DRA
944 			  | AC97_EXT_AUDIO_SPDIF | AC97_EXT_AUDIO_VRM
945 			  | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_SDAC
946 			  | AC97_EXT_AUDIO_LDAC)) {
947 		aprint_normal("%s:", sc_dev->dv_xname);
948 		delim = "";
949 
950 		ac97_read(as, AC97_REG_EXT_AUDIO_CTRL, &extstat);
951 		if (as->ext_id & AC97_EXT_AUDIO_VRA) {
952 			aprint_normal("%s variable rate audio", delim);
953 			delim = ",";
954 			extstat |= AC97_EXT_AUDIO_VRA;
955 		}
956 		if (as->ext_id & AC97_EXT_AUDIO_DRA) {
957 			aprint_normal("%s double rate output", delim);
958 			delim = ",";
959 		}
960 		extstat &= ~AC97_EXT_AUDIO_DRA;
961 		if (as->ext_id & AC97_EXT_AUDIO_SPDIF) {
962 			aprint_normal("%s S/PDIF", delim);
963 			delim = ",";
964 		}
965 		if (as->ext_id & AC97_EXT_AUDIO_VRM) {
966 			aprint_normal("%s variable rate dedicated mic", delim);
967 			delim = ",";
968 			extstat |= AC97_EXT_AUDIO_VRM;
969 		}
970 		if (as->ext_id & AC97_EXT_AUDIO_CDAC) {
971 			aprint_normal("%s center DAC", delim);
972 			delim = ",";
973 			extstat |= AC97_EXT_AUDIO_CDAC;
974 		}
975 		if (as->ext_id & AC97_EXT_AUDIO_SDAC) {
976 			aprint_normal("%s surround DAC", delim);
977 			delim = ",";
978 			extstat |= AC97_EXT_AUDIO_SDAC;
979 		}
980 		if (as->ext_id & AC97_EXT_AUDIO_LDAC) {
981 			aprint_normal("%s LFE DAC", delim);
982 			extstat |= AC97_EXT_AUDIO_LDAC;
983 		}
984 		aprint_normal("\n");
985 
986 		ac97_write(as, AC97_REG_EXT_AUDIO_CTRL, extstat);
987 		if (as->ext_id & AC97_EXT_AUDIO_VRA) {
988 			/* VRA should be enabled. */
989 			/* so it claims to do variable rate, let's make sure */
990 			ac97_write(as, AC97_REG_PCM_FRONT_DAC_RATE, 44100);
991 			ac97_read(as, AC97_REG_PCM_FRONT_DAC_RATE, &rate);
992 			if (rate != 44100) {
993 				/* We can't believe ext_id */
994 				as->ext_id = 0;
995 				aprint_normal(
996 				    "%s: Ignore these capabilities.\n",
997 				    sc_dev->dv_xname);
998 			}
999 			/* restore the default value */
1000 			ac97_write(as, AC97_REG_PCM_FRONT_DAC_RATE,
1001 				   AC97_SINGLE_RATE);
1002 		}
1003 	}
1004 
1005 	ac97_setup_source_info(as);
1006 
1007 	DELAY(900 * 1000);
1008 	memset(&ctl, 0, sizeof(ctl));
1009 
1010 	/* disable mutes */
1011 	for (i = 0; i < 11; i++) {
1012 		static struct {
1013 			char *class, *device;
1014 		} d[11] = {
1015 			{ AudioCoutputs, AudioNmaster},
1016 			{ AudioCoutputs, AudioNheadphone},
1017 			{ AudioCoutputs, AudioNsurround},
1018 			{ AudioCoutputs, AudioNcenter},
1019 			{ AudioCoutputs, AudioNlfe},
1020 			{ AudioCinputs, AudioNdac},
1021 			{ AudioCinputs, AudioNcd},
1022 			{ AudioCinputs, AudioNline},
1023 			{ AudioCinputs, AudioNaux},
1024 			{ AudioCinputs, AudioNvideo},
1025 			{ AudioCrecord, AudioNvolume},
1026 		};
1027 
1028 		ctl.type = AUDIO_MIXER_ENUM;
1029 		ctl.un.ord = 0;
1030 
1031 		ctl.dev = ac97_get_portnum_by_name(&as->codec_if,
1032 			d[i].class, d[i].device, AudioNmute);
1033 		ac97_mixer_set_port(&as->codec_if, &ctl);
1034 	}
1035 	ctl.type = AUDIO_MIXER_ENUM;
1036 	ctl.un.ord = 0;
1037 	ctl.dev = ac97_get_portnum_by_name(&as->codec_if, AudioCrecord,
1038 					   AudioNsource, NULL);
1039 	ac97_mixer_set_port(&as->codec_if, &ctl);
1040 
1041 	/* set a reasonable default volume */
1042 	ctl.type = AUDIO_MIXER_VALUE;
1043 	ctl.un.value.num_channels = 2;
1044 	ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \
1045 	ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 127;
1046 	ctl.dev = ac97_get_portnum_by_name(&as->codec_if, AudioCoutputs,
1047 					   AudioNmaster, NULL);
1048 	ac97_mixer_set_port(&as->codec_if, &ctl);
1049 	ctl.dev = ac97_get_portnum_by_name(&as->codec_if, AudioCoutputs,
1050 					   AudioNsurround, NULL);
1051 	ac97_mixer_set_port(&as->codec_if, &ctl);
1052 	ctl.un.value.num_channels = 1;
1053 	ctl.dev = ac97_get_portnum_by_name(&as->codec_if, AudioCoutputs,
1054 					   AudioNcenter, NULL);
1055 	ac97_mixer_set_port(&as->codec_if, &ctl);
1056 	ctl.dev = ac97_get_portnum_by_name(&as->codec_if, AudioCoutputs,
1057 					   AudioNlfe, NULL);
1058 	ac97_mixer_set_port(&as->codec_if, &ctl);
1059 
1060 	if (initfunc != NULL)
1061 		initfunc(as);
1062 	return (0);
1063 }
1064 
1065 
1066 int
1067 ac97_query_devinfo(codec_if, dip)
1068 	struct ac97_codec_if *codec_if;
1069 	mixer_devinfo_t *dip;
1070 {
1071 	struct ac97_softc *as = (struct ac97_softc *)codec_if;
1072 
1073 	if (dip->index < as->num_source_info) {
1074 		struct ac97_source_info *si = &as->source_info[dip->index];
1075 		const char *name;
1076 
1077 		dip->type = si->type;
1078 		dip->mixer_class = si->mixer_class;
1079 		dip->prev = si->prev;
1080 		dip->next = si->next;
1081 
1082 		if (si->qualifier)
1083 			name = si->qualifier;
1084 		else if (si->device)
1085 			name = si->device;
1086 		else if (si->class)
1087 			name = si->class;
1088 		else
1089 			name = 0;
1090 
1091 		if (name)
1092 			strcpy(dip->label.name, name);
1093 
1094 		memcpy(&dip->un, si->info, si->info_size);
1095 
1096 		/* Set the delta for volume sources */
1097 		if (dip->type == AUDIO_MIXER_VALUE)
1098 			dip->un.v.delta = 1 << (8 - si->bits);
1099 
1100 		return (0);
1101 	}
1102 
1103 	return (ENXIO);
1104 }
1105 
1106 
1107 
1108 int
1109 ac97_mixer_set_port(codec_if, cp)
1110 	struct ac97_codec_if *codec_if;
1111 	mixer_ctrl_t *cp;
1112 {
1113 	struct ac97_softc *as = (struct ac97_softc *)codec_if;
1114 	struct ac97_source_info *si = &as->source_info[cp->dev];
1115 	u_int16_t mask;
1116 	u_int16_t val, newval;
1117 	int error;
1118 
1119 	if (cp->dev < 0 || cp->dev >= as->num_source_info)
1120 		return (EINVAL);
1121 
1122 	if (cp->type != si->type)
1123 		return (EINVAL);
1124 
1125 	ac97_read(as, si->reg, &val);
1126 
1127 	DPRINTFN(5, ("read(%x) = %x\n", si->reg, val));
1128 
1129 	mask = (1 << si->bits) - 1;
1130 
1131 	switch (cp->type) {
1132 	case AUDIO_MIXER_ENUM:
1133 		if (cp->un.ord > mask || cp->un.ord < 0)
1134 			return (EINVAL);
1135 
1136 		newval = (cp->un.ord << si->ofs);
1137 		if (si->reg == AC97_REG_RECORD_SELECT) {
1138 			newval |= (newval << (8 + si->ofs));
1139 			mask |= (mask << 8);
1140 			mask = mask << si->ofs;
1141 		} else if (si->reg == AC97_REG_SURR_MASTER) {
1142 			newval = cp->un.ord ? 0x8080 : 0x0000;
1143 			mask = 0x8080;
1144 		} else
1145 			mask = mask << si->ofs;
1146 		break;
1147 	case AUDIO_MIXER_VALUE:
1148 	{
1149 		const struct audio_mixer_value *value = si->info;
1150 		u_int16_t  l, r;
1151 
1152 		if ((cp->un.value.num_channels <= 0) ||
1153 		    (cp->un.value.num_channels > value->num_channels))
1154 			return (EINVAL);
1155 
1156 		if (cp->un.value.num_channels == 1) {
1157 			l = r = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1158 		} else {
1159 			if (!(as->host_flags & AC97_HOST_SWAPPED_CHANNELS)) {
1160 				l = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1161 				r = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1162 			} else {	/* left/right is reversed here */
1163 				r = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1164 				l = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1165 			}
1166 
1167 		}
1168 
1169 		if (!si->polarity) {
1170 			l = 255 - l;
1171 			r = 255 - r;
1172 		}
1173 
1174 		l = l >> (8 - si->bits);
1175 		r = r >> (8 - si->bits);
1176 
1177 		newval = ((l & mask) << si->ofs);
1178 		if (value->num_channels == 2) {
1179 			newval = (newval << 8) | ((r & mask) << si->ofs);
1180 			mask |= (mask << 8);
1181 		}
1182 		mask = mask << si->ofs;
1183 		break;
1184 	}
1185 	default:
1186 		return (EINVAL);
1187 	}
1188 
1189 	error = ac97_write(as, si->reg, (val & ~mask) | newval);
1190 	if (error)
1191 		return (error);
1192 
1193 	return (0);
1194 }
1195 
1196 int
1197 ac97_get_portnum_by_name(codec_if, class, device, qualifier)
1198 	struct ac97_codec_if *codec_if;
1199 	const char *class, *device, *qualifier;
1200 {
1201 	struct ac97_softc *as = (struct ac97_softc *)codec_if;
1202 	int idx;
1203 
1204 	for (idx = 0; idx < as->num_source_info; idx++) {
1205 		struct ac97_source_info *si = &as->source_info[idx];
1206 		if (ac97_str_equal(class, si->class) &&
1207 		    ac97_str_equal(device, si->device) &&
1208 		    ac97_str_equal(qualifier, si->qualifier))
1209 			return (idx);
1210 	}
1211 
1212 	return (-1);
1213 }
1214 
1215 int
1216 ac97_mixer_get_port(codec_if, cp)
1217 	struct ac97_codec_if *codec_if;
1218 	mixer_ctrl_t *cp;
1219 {
1220 	struct ac97_softc *as = (struct ac97_softc *)codec_if;
1221 	struct ac97_source_info *si = &as->source_info[cp->dev];
1222 	u_int16_t mask;
1223 	u_int16_t val;
1224 
1225 	if (cp->dev < 0 || cp->dev >= as->num_source_info)
1226 		return (EINVAL);
1227 
1228 	if (cp->type != si->type)
1229 		return (EINVAL);
1230 
1231 	ac97_read(as, si->reg, &val);
1232 
1233 	DPRINTFN(5, ("read(%x) = %x\n", si->reg, val));
1234 
1235 	mask = (1 << si->bits) - 1;
1236 
1237 	switch (cp->type) {
1238 	case AUDIO_MIXER_ENUM:
1239 		cp->un.ord = (val >> si->ofs) & mask;
1240 		DPRINTFN(4, ("AUDIO_MIXER_ENUM: %x %d %x %d\n",
1241 			     val, si->ofs, mask, cp->un.ord));
1242 		break;
1243 	case AUDIO_MIXER_VALUE:
1244 	{
1245 		const struct audio_mixer_value *value = si->info;
1246 		u_int16_t  l, r;
1247 
1248 		if ((cp->un.value.num_channels <= 0) ||
1249 		    (cp->un.value.num_channels > value->num_channels))
1250 			return (EINVAL);
1251 
1252 		if (value->num_channels == 1) {
1253 			l = r = (val >> si->ofs) & mask;
1254 		} else {
1255 			if (!(as->host_flags & AC97_HOST_SWAPPED_CHANNELS)) {
1256 				l = (val >> (si->ofs + 8)) & mask;
1257 				r = (val >> si->ofs) & mask;
1258 			} else {	/* host has reversed channels */
1259 				r = (val >> (si->ofs + 8)) & mask;
1260 				l = (val >> si->ofs) & mask;
1261 			}
1262 		}
1263 
1264 		l = (l << (8 - si->bits));
1265 		r = (r << (8 - si->bits));
1266 		if (!si->polarity) {
1267 			l = 255 - l;
1268 			r = 255 - r;
1269 		}
1270 
1271 		/* The EAP driver averages l and r for stereo
1272 		   channels that are requested in MONO mode. Does this
1273 		   make sense? */
1274 		if (cp->un.value.num_channels == 1) {
1275 			cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = l;
1276 		} else if (cp->un.value.num_channels == 2) {
1277 			cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
1278 			cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1279 		}
1280 
1281 		break;
1282 	}
1283 	default:
1284 		return (EINVAL);
1285 	}
1286 
1287 	return (0);
1288 }
1289 
1290 
1291 int
1292 ac97_set_rate(struct ac97_codec_if *codec_if, int target, u_long *rate)
1293 {
1294 	struct ac97_softc *as;
1295 	u_long value;
1296 	u_int16_t ext_stat;
1297 	u_int16_t actual;
1298 	u_int16_t power;
1299 	u_int16_t power_bit;
1300 
1301 	as = (struct ac97_softc *)codec_if;
1302 	if (target == AC97_REG_PCM_MIC_ADC_RATE) {
1303 		if (!(as->ext_id & AC97_EXT_AUDIO_VRM)) {
1304 			*rate = AC97_SINGLE_RATE;
1305 			return 0;
1306 		}
1307 	} else {
1308 		if (!(as->ext_id & AC97_EXT_AUDIO_VRA)) {
1309 			*rate = AC97_SINGLE_RATE;
1310 			return 0;
1311 		}
1312 	}
1313 	value = *rate * AC97_STANDARD_CLOCK / as->ac97_clock;
1314 	ext_stat = 0;
1315 	/*
1316 	 * PCM_FRONT_DAC_RATE/PCM_SURR_DAC_RATE/PCM_LFE_DAC_RATE
1317 	 *	Check VRA, DRA
1318 	 * PCM_LR_ADC_RATE
1319 	 *	Check VRA
1320 	 * PCM_MIC_ADC_RATE
1321 	 *	Check VRM
1322 	 */
1323 	switch (target) {
1324 	case AC97_REG_PCM_FRONT_DAC_RATE:
1325 	case AC97_REG_PCM_SURR_DAC_RATE:
1326 	case AC97_REG_PCM_LFE_DAC_RATE:
1327 		power_bit = AC97_POWER_OUT;
1328 		if (!(as->ext_id & AC97_EXT_AUDIO_VRA)) {
1329 			*rate = AC97_SINGLE_RATE;
1330 			return 0;
1331 		}
1332 		if (as->ext_id & AC97_EXT_AUDIO_DRA) {
1333 			ac97_read(as, AC97_REG_EXT_AUDIO_CTRL, &ext_stat);
1334 			if (value > 0x1ffff) {
1335 				return EINVAL;
1336 			} else if (value > 0xffff) {
1337 				/* Enable DRA */
1338 				ext_stat |= AC97_EXT_AUDIO_DRA;
1339 				ac97_write(as, AC97_REG_EXT_AUDIO_CTRL, ext_stat);
1340 				value /= 2;
1341 			} else {
1342 				/* Disable DRA */
1343 				ext_stat &= ~AC97_EXT_AUDIO_DRA;
1344 				ac97_write(as, AC97_REG_EXT_AUDIO_CTRL, ext_stat);
1345 			}
1346 		} else {
1347 			if (value > 0xffff)
1348 				return EINVAL;
1349 		}
1350 		break;
1351 	case AC97_REG_PCM_LR_ADC_RATE:
1352 		power_bit = AC97_POWER_IN;
1353 		if (!(as->ext_id & AC97_EXT_AUDIO_VRA)) {
1354 			*rate = AC97_SINGLE_RATE;
1355 			return 0;
1356 		}
1357 		if (value > 0xffff)
1358 			return EINVAL;
1359 		break;
1360 	case AC97_REG_PCM_MIC_ADC_RATE:
1361 		power_bit = AC97_POWER_IN;
1362 		if (!(as->ext_id & AC97_EXT_AUDIO_VRM)) {
1363 			*rate = AC97_SINGLE_RATE;
1364 			return 0;
1365 		}
1366 		if (value > 0xffff)
1367 			return EINVAL;
1368 		break;
1369 	default:
1370 		printf("%s: Unknown register: 0x%x\n", __func__, target);
1371 		return EINVAL;
1372 	}
1373 
1374 	ac97_read(as, AC97_REG_POWER, &power);
1375 	ac97_write(as, AC97_REG_POWER, power | power_bit);
1376 
1377 	ac97_write(as, target, (u_int16_t)value);
1378 	ac97_read(as, target, &actual);
1379 	actual = (u_int32_t)actual * as->ac97_clock / AC97_STANDARD_CLOCK;
1380 
1381 	ac97_write(as, AC97_REG_POWER, power);
1382 	if (ext_stat & AC97_EXT_AUDIO_DRA) {
1383 		*rate = actual * 2;
1384 	} else {
1385 		*rate = actual;
1386 	}
1387 	return 0;
1388 }
1389 
1390 void
1391 ac97_set_clock(struct ac97_codec_if *codec_if, unsigned int clock)
1392 {
1393 	struct ac97_softc *as;
1394 
1395 	as = (struct ac97_softc *)codec_if;
1396 	as->ac97_clock = clock;
1397 }
1398 
1399 u_int16_t
1400 ac97_get_extcaps(struct ac97_codec_if *codec_if)
1401 {
1402 	struct ac97_softc *as;
1403 
1404 	as = (struct ac97_softc *)codec_if;
1405 	return as->ext_id;
1406 }
1407 
1408 int
1409 ac97_add_port(struct ac97_softc *as, const struct ac97_source_info *src)
1410 {
1411 	struct ac97_source_info *si;
1412 	int ouridx, idx;
1413 
1414 	if (as->num_source_info >= MAX_SOURCES) {
1415 		printf("%s: internal error: increase MAX_SOURCES in %s\n",
1416 		       __func__, __FILE__);
1417 		return -1;
1418 	}
1419 	if (!ac97_check_capability(as, src->req_feature))
1420 		return -1;
1421 	ouridx = as->num_source_info;
1422 	si = &as->source_info[ouridx];
1423 	memcpy(si, src, sizeof(*si));
1424 
1425 	switch (si->type) {
1426 	case AUDIO_MIXER_CLASS:
1427 	case AUDIO_MIXER_VALUE:
1428 		printf("%s: adding class/value is not supported yet.\n",
1429 		       __func__);
1430 		return -1;
1431 	case AUDIO_MIXER_ENUM:
1432 		break;
1433 	default:
1434 		printf("%s: unknown type: %d\n", __func__, si->type);
1435 		return -1;
1436 	}
1437 	as->num_source_info++;
1438 
1439 	si->mixer_class = ac97_get_portnum_by_name(&as->codec_if, si->class,
1440 						   NULL, NULL);
1441 	/* Find the root of the device */
1442 	idx = ac97_get_portnum_by_name(&as->codec_if, si->class,
1443 				       si->device, NULL);
1444 	/* Find the last item */
1445 	while (as->source_info[idx].next != AUDIO_MIXER_LAST)
1446 		idx = as->source_info[idx].next;
1447 	/* Append */
1448 	as->source_info[idx].next = ouridx;
1449 	si->prev = idx;
1450 	si->next = AUDIO_MIXER_LAST;
1451 
1452 	return 0;
1453 }
1454 
1455 /**
1456  * Codec-dependent initialization
1457  */
1458 
1459 #define AC97_AD_REG_MISC	0x76
1460 #define	AC97_AD_MISC_MBG	0x0001  /* 0 */
1461 #define AC97_AD_MISC_VREFD	0x0002  /* 1 */
1462 #define AC97_AD_MISC_VREFH	0x0004  /* 2 */
1463 #define AC97_AD_MISC_MADST	0x0008  /* 3 */
1464 #define AC97_AD_MISC_MADPD	0x0020  /* 5 */
1465 #define AC97_AD_MISC_FMXE	0x0100  /* 8 */
1466 #define AC97_AD_MISC_DAM	0x0400  /*10 */
1467 #define AC97_AD_MISC_MSPLT	0x1000  /*12 */
1468 #define AC97_AD_MISC_DACZ	0x4000  /*14 */
1469 static void
1470 ac97_ad1981_init(struct ac97_softc *as)
1471 {
1472 	unsigned short misc;
1473 
1474 	ac97_read(as, AC97_AD_REG_MISC, &misc);
1475 	ac97_write(as, AC97_AD_REG_MISC, misc|AC97_AD_MISC_DAM|AC97_AD_MISC_MADPD);
1476 }
1477 
1478 #define ALC650_REG_MULTI_CHANNEL_CONTROL	0x6a
1479 #define		ALC650_MCC_SLOT_MODIFY_MASK		0xc000
1480 #define		ALC650_MCC_FRONTDAC_FROM_SPDIFIN	0x2000 /* 13 */
1481 #define		ALC650_MCC_SPDIFOUT_FROM_ADC		0x1000 /* 12 */
1482 #define		ALC650_MCC_PCM_FROM_SPDIFIN		0x0800 /* 11 */
1483 #define		ALC650_MCC_MIC_OR_CENTERLFE		0x0400 /* 10 */
1484 #define		ALC650_MCC_LINEIN_OR_SURROUND		0x0200 /* 9 */
1485 #define		ALC650_MCC_INDEPENDENT_MASTER_L		0x0080 /* 7 */
1486 #define		ALC650_MCC_INDEPENDENT_MASTER_R		0x0040 /* 6 */
1487 #define		ALC650_MCC_ANALOG_TO_CENTERLFE		0x0020 /* 5 */
1488 #define		ALC650_MCC_ANALOG_TO_SURROUND		0x0010 /* 4 */
1489 #define		ALC650_MCC_EXCHANGE_CENTERLFE		0x0008 /* 3 */
1490 #define		ALC650_MCC_CENTERLFE_DOWNMIX		0x0004 /* 2 */
1491 #define		ALC650_MCC_SURROUND_DOWNMIX		0x0002 /* 1 */
1492 #define		ALC650_MCC_LINEOUT_TO_SURROUND		0x0001 /* 0 */
1493 static void
1494 ac97_alc650_init(struct ac97_softc *as)
1495 {
1496 	static const struct ac97_source_info sources[6] = {
1497 		{ AudioCoutputs, AudioNsurround, "lineinjack",
1498 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1499 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1500 		  0x0000, 1, 9, 0, 0, CHECK_SURROUND },
1501 		{ AudioCoutputs, AudioNsurround, "mixtofront",
1502 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1503 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1504 		  0x0000, 1, 1, 0, 0, CHECK_SURROUND },
1505 		{ AudioCoutputs, AudioNcenter, "micjack",
1506 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1507 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1508 		  0x0000, 1, 10, 0, 0, CHECK_CENTER },
1509 		{ AudioCoutputs, AudioNlfe, "micjack",
1510 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1511 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1512 		  0x0000, 1, 10, 0, 0, CHECK_LFE },
1513 		{ AudioCoutputs, AudioNcenter, "mixtofront",
1514 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1515 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1516 		  0x0000, 1, 2, 0, 0, CHECK_CENTER },
1517 		{ AudioCoutputs, AudioNlfe, "mixtofront",
1518 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1519 		  ALC650_REG_MULTI_CHANNEL_CONTROL,
1520 		  0x0000, 1, 2, 0, 0, CHECK_LFE },
1521 	};
1522 
1523 	ac97_add_port(as, &sources[0]);
1524 	ac97_add_port(as, &sources[1]);
1525 	ac97_add_port(as, &sources[2]);
1526 	ac97_add_port(as, &sources[3]);
1527 	ac97_add_port(as, &sources[4]);
1528 	ac97_add_port(as, &sources[5]);
1529 }
1530 
1531 #define VT1616_REG_IO_CONTROL	0x5a
1532 #define		VT1616_IC_LVL			(1 << 15)
1533 #define		VT1616_IC_LFECENTER_TO_FRONT	(1 << 12)
1534 #define		VT1616_IC_SURROUND_TO_FRONT	(1 << 11)
1535 #define		VT1616_IC_BPDC			(1 << 10)
1536 #define		VT1616_IC_DC			(1 << 9)
1537 #define		VT1616_IC_IB_MASK		0x000c
1538 static void
1539 ac97_vt1616_init(struct ac97_softc *as)
1540 {
1541 	static const struct ac97_source_info sources[3] = {
1542 		{ AudioCoutputs, AudioNsurround, "mixtofront",
1543 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1544 		  VT1616_REG_IO_CONTROL,
1545 		  0x0000, 1, 11, 0, 0, CHECK_SURROUND },
1546 		{ AudioCoutputs, AudioNcenter, "mixtofront",
1547 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1548 		  VT1616_REG_IO_CONTROL,
1549 		  0x0000, 1, 12, 0, 0, CHECK_CENTER },
1550 		{ AudioCoutputs, AudioNlfe, "mixtofront",
1551 		  AUDIO_MIXER_ENUM, WRAP(ac97_on_off),
1552 		  VT1616_REG_IO_CONTROL,
1553 		  0x0000, 1, 12, 0, 0, CHECK_LFE },
1554 	};
1555 
1556 	ac97_add_port(as, &sources[0]);
1557 	ac97_add_port(as, &sources[1]);
1558 	ac97_add_port(as, &sources[2]);
1559 }
1560 
1561