xref: /haiku/src/add-ons/kernel/drivers/audio/ac97/auvia/multi.c (revision 9f3bdf3d039430b5172c424def20ce5d9f7367d4)
1 /*
2  * Auvia BeOS Driver for Via VT82xx Southbridge audio
3  *
4  * Copyright (c) 2003, Jerome Duval (jerome.duval@free.fr)
5  *
6  * Original code : BeOS Driver for Intel ICH AC'97 Link interface
7  * Copyright (c) 2002, Marcus Overhagen <marcus@overhagen.de>
8  *
9  * All rights reserved.
10  * Redistribution and use in source and binary forms, with or without modification,
11  * are permitted provided that the following conditions are met:
12  *
13  * - Redistributions of source code must retain the above copyright notice,
14  *   this list of conditions and the following disclaimer.
15  * - Redistributions in binary form must reproduce the above copyright notice,
16  *   this list of conditions and the following disclaimer in the documentation
17  *   and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
25  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  */
31 
32 #include <OS.h>
33 #include <string.h>
34 #include <MediaDefs.h>
35 #include "hmulti_audio.h"
36 #include "multi.h"
37 #include "ac97.h"
38 
39 //#define DEBUG 1
40 
41 #include "debug.h"
42 #include "auvia.h"
43 #include "util.h"
44 #include "io.h"
45 
46 
47 static void
48 auvia_ac97_get_mix(void *card, const void *cookie, int32 type, float *values) {
49 	auvia_dev *dev = (auvia_dev*)card;
50 	ac97_source_info *info = (ac97_source_info *)cookie;
51 	uint16 value, mask;
52 	float gain;
53 
54 	switch (type) {
55 		case B_MIX_GAIN:
56 			value = auvia_codec_read(&dev->config, info->reg);
57 			//PRINT(("B_MIX_GAIN value : %u\n", value));
58 			if (info->type & B_MIX_STEREO) {
59 				mask = ((1 << (info->bits + 1)) - 1) << 8;
60 				gain = ((value & mask) >> 8) * info->granularity;
61 				if (info->polarity == 1)
62 					values[0] = info->max_gain - gain;
63 				else
64 					values[0] = gain - info->min_gain;
65 
66 				mask = ((1 << (info->bits + 1)) - 1);
67 				gain = (value & mask) * info->granularity;
68 				if (info->polarity == 1)
69 					values[1] = info->max_gain - gain;
70 				else
71 					values[1] = gain - info->min_gain;
72 			} else {
73 				mask = ((1 << (info->bits + 1)) - 1);
74 				gain = (value & mask) * info->granularity;
75 				if (info->polarity == 1)
76 					values[0] = info->max_gain - gain;
77 				else
78 					values[0] = gain - info->min_gain;
79 			}
80 			break;
81 		case B_MIX_MUTE:
82 			mask = ((1 << 1) - 1) << 15;
83 			value = auvia_codec_read(&dev->config, info->reg);
84 			//PRINT(("B_MIX_MUTE value : %u\n", value));
85 			value &= mask;
86 			values[0] = ((value >> 15) == 1) ? 1.0 : 0.0;
87 			break;
88 		case B_MIX_MICBOOST:
89 			mask = ((1 << 1) - 1) << 6;
90 			value = auvia_codec_read(&dev->config, info->reg);
91 			//PRINT(("B_MIX_MICBOOST value : %u\n", value));
92 			value &= mask;
93 			values[0] = ((value >> 6) == 1) ? 1.0 : 0.0;
94 			break;
95 		case B_MIX_MUX:
96 			mask = ((1 << 3) - 1);
97 			value = auvia_codec_read(&dev->config, AC97_RECORD_SELECT);
98 			value &= mask;
99 			//PRINT(("B_MIX_MUX value : %u\n", value));
100 			values[0] = (float)value;
101 			break;
102 	}
103 }
104 
105 static void
106 auvia_ac97_set_mix(void *card, const void *cookie, int32 type, float *values) {
107 	auvia_dev *dev = (auvia_dev*)card;
108 	ac97_source_info *info = (ac97_source_info *)cookie;
109 	uint16 value, mask;
110 	float gain;
111 
112 	switch (type) {
113 		case B_MIX_GAIN:
114 			value = auvia_codec_read(&dev->config, info->reg);
115 			if (info->type & B_MIX_STEREO) {
116 				mask = ((1 << (info->bits + 1)) - 1) << 8;
117 				value &= ~mask;
118 
119 				if (info->polarity == 1)
120 					gain = info->max_gain - values[0];
121 				else
122 					gain =  values[0] - info->min_gain;
123 				value |= ((uint16)(gain	/ info->granularity) << 8) & mask;
124 
125 				mask = ((1 << (info->bits + 1)) - 1);
126 				value &= ~mask;
127 				if (info->polarity == 1)
128 					gain = info->max_gain - values[1];
129 				else
130 					gain =  values[1] - info->min_gain;
131 				value |= ((uint16)(gain / info->granularity)) & mask;
132 			} else {
133 				mask = ((1 << (info->bits + 1)) - 1);
134 				value &= ~mask;
135 				if (info->polarity == 1)
136 					gain = info->max_gain - values[0];
137 				else
138 					gain =  values[0] - info->min_gain;
139 				value |= ((uint16)(gain / info->granularity)) & mask;
140 			}
141 			//PRINT(("B_MIX_GAIN value : %u\n", value));
142 			auvia_codec_write(&dev->config, info->reg, value);
143 			break;
144 		case B_MIX_MUTE:
145 			mask = ((1 << 1) - 1) << 15;
146 			value = auvia_codec_read(&dev->config, info->reg);
147 			value &= ~mask;
148 			value |= ((values[0] == 1.0 ? 1 : 0 ) << 15 & mask);
149 			if (info->reg == AC97_SURR_VOLUME) {
150 				// there is a independent mute for each channel
151 				mask = ((1 << 1) - 1) << 7;
152 				value &= ~mask;
153 				value |= ((values[0] == 1.0 ? 1 : 0 ) << 7 & mask);
154 			}
155 			//PRINT(("B_MIX_MUTE value : %u\n", value));
156 			auvia_codec_write(&dev->config, info->reg, value);
157 			break;
158 		case B_MIX_MICBOOST:
159 			mask = ((1 << 1) - 1) << 6;
160 			value = auvia_codec_read(&dev->config, info->reg);
161 			value &= ~mask;
162 			value |= ((values[0] == 1.0 ? 1 : 0 ) << 6 & mask);
163 			//PRINT(("B_MIX_MICBOOST value : %u\n", value));
164 			auvia_codec_write(&dev->config, info->reg, value);
165 			break;
166 		case B_MIX_MUX:
167 			mask = ((1 << 3) - 1);
168 			value = ((int32)values[0]) & mask;
169 			value = value | (value << 8);
170 			//PRINT(("B_MIX_MUX value : %u\n", value));
171 			auvia_codec_write(&dev->config, AC97_RECORD_SELECT, value);
172 			break;
173 	}
174 
175 }
176 
177 
178 static int32
179 auvia_create_group_control(multi_dev* multi, uint32* index, int32 parent, int32 string,
180 	const char* name)
181 {
182 	int32 i = *index;
183 	(*index)++;
184 	multi->controls[i].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + i;
185 	multi->controls[i].mix_control.parent = parent;
186 	multi->controls[i].mix_control.flags = B_MULTI_MIX_GROUP;
187 	multi->controls[i].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
188 	multi->controls[i].mix_control.string = string;
189 	if (name) {
190 		strlcpy(multi->controls[i].mix_control.name, name,
191 			sizeof(multi->controls[i].mix_control.name));
192 	}
193 
194 	return multi->controls[i].mix_control.id;
195 }
196 
197 
198 static status_t
199 auvia_create_controls_list(multi_dev *multi)
200 {
201 	uint32 	i = 0, index = 0, count, id, parent, parent2, parent3;
202 	const ac97_source_info *info;
203 
204 	parent = auvia_create_group_control(multi, &index, 0, 0, "Record");
205 
206 	/* AC97 Record */
207 	info = &source_info[0];
208 	PRINT(("name : %s\n", info->name));
209 
210 	parent2 = auvia_create_group_control(multi, &index, parent, 0, info->name);
211 
212 	if (info->type & B_MIX_GAIN) {
213 		if (info->type & B_MIX_MUTE) {
214 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
215 			multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
216 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
217 			multi->controls[index].mix_control.parent = parent2;
218 			multi->controls[index].mix_control.string = S_MUTE;
219 			multi->controls[index].cookie = info;
220 			multi->controls[index].type = B_MIX_MUTE;
221 			multi->controls[index].get = &auvia_ac97_get_mix;
222 			multi->controls[index].set = &auvia_ac97_set_mix;
223 			index++;
224 		}
225 
226 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
227 		multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
228 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
229 		multi->controls[index].mix_control.parent = parent2;
230 		strlcpy(multi->controls[index].mix_control.name, info->name,
231 			sizeof(multi->controls[index].mix_control.name));
232 		multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
233 		multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
234 		multi->controls[index].mix_control.u.gain.granularity = info->granularity;
235 		multi->controls[index].cookie = info;
236 		multi->controls[index].type = B_MIX_GAIN;
237 		multi->controls[index].get = &auvia_ac97_get_mix;
238 		multi->controls[index].set = &auvia_ac97_set_mix;
239 		id = multi->controls[index].mix_control.id;
240 		index++;
241 
242 		if (info->type & B_MIX_STEREO) {
243 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
244 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
245 			multi->controls[index].mix_control.master = id;
246 			multi->controls[index].mix_control.parent = parent2;
247 			strlcpy(multi->controls[index].mix_control.name, info->name,
248 				sizeof(multi->controls[index].mix_control.name));
249 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
250 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
251 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
252 			multi->controls[index].cookie = info;
253 			multi->controls[index].type = B_MIX_GAIN;
254 			multi->controls[index].get = &auvia_ac97_get_mix;
255 			multi->controls[index].set = &auvia_ac97_set_mix;
256 			index++;
257 		}
258 
259 		if (info->type & B_MIX_RECORDMUX) {
260 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
261 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX;
262 			multi->controls[index].mix_control.parent = parent2;
263 			strcpy(multi->controls[index].mix_control.name, "Record mux");
264 			multi->controls[index].cookie = info;
265 			multi->controls[index].type = B_MIX_MUX;
266 			multi->controls[index].get = &auvia_ac97_get_mix;
267 			multi->controls[index].set = &auvia_ac97_set_mix;
268 			parent3 = multi->controls[index].mix_control.id;
269 			index++;
270 
271 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
272 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
273 			multi->controls[index].mix_control.parent = parent3;
274 			multi->controls[index].mix_control.string = S_MIC;
275 			index++;
276 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
277 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
278 			multi->controls[index].mix_control.parent = parent3;
279 			strcpy(multi->controls[index].mix_control.name, "CD in");
280 			index++;
281 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
282 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
283 			multi->controls[index].mix_control.parent = parent3;
284 			strcpy(multi->controls[index].mix_control.name, "Video in");
285 			index++;
286 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
287 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
288 			multi->controls[index].mix_control.parent = parent3;
289 			strcpy(multi->controls[index].mix_control.name, "Aux in");
290 			index++;
291 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
292 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
293 			multi->controls[index].mix_control.parent = parent3;
294 			strcpy(multi->controls[index].mix_control.name, "Line in");
295 			index++;
296 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
297 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
298 			multi->controls[index].mix_control.parent = parent3;
299 			multi->controls[index].mix_control.string = S_STEREO_MIX;
300 			index++;
301 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
302 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
303 			multi->controls[index].mix_control.parent = parent3;
304 			multi->controls[index].mix_control.string = S_MONO_MIX;
305 			index++;
306 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
307 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
308 			multi->controls[index].mix_control.parent = parent3;
309 			strcpy(multi->controls[index].mix_control.name, "TAD");
310 			index++;
311 		}
312 	}
313 
314 	parent = auvia_create_group_control(multi, &index, 0, 0, "AC97 mixer");
315 
316 	count = source_info_size;
317 	count--;
318 
319 	for (i = 1; i < count ; i++) {
320 		info = &source_info[i];
321 		PRINT(("name : %s\n", info->name));
322 
323 		parent2 = auvia_create_group_control(multi, &index, parent, 0, info->name);
324 
325 		if (info->type & B_MIX_GAIN) {
326 			if (info->type & B_MIX_MUTE) {
327 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
328 				multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
329 				multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
330 				multi->controls[index].mix_control.parent = parent2;
331 				multi->controls[index].mix_control.string = S_MUTE;
332 				multi->controls[index].cookie = info;
333 				multi->controls[index].type = B_MIX_MUTE;
334 				multi->controls[index].get = &auvia_ac97_get_mix;
335 				multi->controls[index].set = &auvia_ac97_set_mix;
336 				index++;
337 			}
338 
339 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
340 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
341 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
342 			multi->controls[index].mix_control.parent = parent2;
343 			strlcpy(multi->controls[index].mix_control.name, info->name,
344 				sizeof(multi->controls[index].mix_control.name));
345 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
346 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
347 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
348 			multi->controls[index].cookie = info;
349 			multi->controls[index].type = B_MIX_GAIN;
350 			multi->controls[index].get = &auvia_ac97_get_mix;
351 			multi->controls[index].set = &auvia_ac97_set_mix;
352 			id = multi->controls[index].mix_control.id;
353 			index++;
354 
355 			if (info->type & B_MIX_STEREO) {
356 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
357 				multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
358 				multi->controls[index].mix_control.master = id;
359 				multi->controls[index].mix_control.parent = parent2;
360 				strlcpy(multi->controls[index].mix_control.name, info->name,
361 					sizeof(multi->controls[index].mix_control.name));
362 				multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
363 				multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
364 				multi->controls[index].mix_control.u.gain.granularity = info->granularity;
365 				multi->controls[index].cookie = info;
366 				multi->controls[index].type = B_MIX_GAIN;
367 				multi->controls[index].get = &auvia_ac97_get_mix;
368 				multi->controls[index].set = &auvia_ac97_set_mix;
369 				index++;
370 			}
371 		}
372 	}
373 
374 	parent = auvia_create_group_control(multi, &index, 0, S_SETUP, NULL);
375 
376 	/* AC97 20db Boost Mic */
377 	info = &source_info[6];
378 
379 	if (info->type & B_MIX_GAIN && info->type & B_MIX_MICBOOST) {
380 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
381 		multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
382 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
383 		multi->controls[index].mix_control.parent = parent;
384 		strcpy(multi->controls[index].mix_control.name, "Mic +20dB");
385 		multi->controls[index].cookie = info;
386 		multi->controls[index].type = B_MIX_MICBOOST;
387 		multi->controls[index].get = &auvia_ac97_get_mix;
388 		multi->controls[index].set = &auvia_ac97_set_mix;
389 		index++;
390 	}
391 
392 	multi->control_count = index;
393 	PRINT(("multi->control_count %" B_PRIu32 "\n", multi->control_count));
394 	return B_OK;
395 }
396 
397 
398 static status_t
399 auvia_get_mix(auvia_dev *card, multi_mix_value_info * mmvi)
400 {
401 	int32 i, id;
402 	multi_mixer_control *control = NULL;
403 	for (i = 0; i < mmvi->item_count; i++) {
404 		id = mmvi->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
405 		if (id < 0 || (uint32)id >= card->multi.control_count) {
406 			PRINT(("auvia_get_mix : "
407 				"invalid control id requested : %" B_PRIi32 "\n", id));
408 			continue;
409 		}
410 		control = &card->multi.controls[id];
411 
412 		if (control->mix_control.flags & B_MULTI_MIX_GAIN) {
413 			if (control->get) {
414 				float values[2];
415 				control->get(card, control->cookie, control->type, values);
416 				if (control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
417 					mmvi->values[i].u.gain = values[0];
418 				else
419 					mmvi->values[i].u.gain = values[1];
420 			}
421 		}
422 
423 		if (control->mix_control.flags & B_MULTI_MIX_ENABLE && control->get) {
424 			float values[1];
425 			control->get(card, control->cookie, control->type, values);
426 			mmvi->values[i].u.enable = (values[0] == 1.0);
427 		}
428 
429 		if (control->mix_control.flags & B_MULTI_MIX_MUX && control->get) {
430 			float values[1];
431 			control->get(card, control->cookie, control->type, values);
432 			mmvi->values[i].u.mux = (int32)values[0];
433 		}
434 	}
435 	return B_OK;
436 }
437 
438 
439 static status_t
440 auvia_set_mix(auvia_dev *card, multi_mix_value_info * mmvi)
441 {
442 	int32 i, id;
443 	multi_mixer_control *control = NULL;
444 	for (i = 0; i < mmvi->item_count; i++) {
445 		id = mmvi->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
446 		if (id < 0 || (uint32)id >= card->multi.control_count) {
447 			PRINT(("auvia_set_mix : "
448 				"invalid control id requested : %" B_PRIi32 "\n", id));
449 			continue;
450 		}
451 		control = &card->multi.controls[id];
452 
453 		if (control->mix_control.flags & B_MULTI_MIX_GAIN) {
454 			multi_mixer_control *control2 = NULL;
455 			if (i + 1 < mmvi->item_count) {
456 				id = mmvi->values[i + 1].id - EMU_MULTI_CONTROL_FIRSTID;
457 				if (id < 0 || (uint32)id >= card->multi.control_count) {
458 					PRINT(("auvia_set_mix : "
459 						"invalid control id requested : %" B_PRIi32 "\n", id));
460 				} else {
461 					control2 = &card->multi.controls[id];
462 					if (control2->mix_control.master != control->mix_control.id)
463 						control2 = NULL;
464 				}
465 			}
466 
467 			if (control->set) {
468 				float values[2];
469 				values[0] = 0.0;
470 				values[1] = 0.0;
471 
472 				if (control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
473 					values[0] = mmvi->values[i].u.gain;
474 				else
475 					values[1] = mmvi->values[i].u.gain;
476 
477 				if (control2 && control2->mix_control.master != EMU_MULTI_CONTROL_MASTERID)
478 					values[1] = mmvi->values[i + 1].u.gain;
479 
480 				control->set(card, control->cookie, control->type, values);
481 			}
482 
483 			if (control2)
484 				i++;
485 		}
486 
487 		if (control->mix_control.flags & B_MULTI_MIX_ENABLE && control->set) {
488 			float values[1];
489 
490 			values[0] = mmvi->values[i].u.enable ? 1.0 : 0.0;
491 			control->set(card, control->cookie, control->type, values);
492 		}
493 
494 		if (control->mix_control.flags & B_MULTI_MIX_MUX && control->set) {
495 			float values[1];
496 
497 			values[0] = (float)mmvi->values[i].u.mux;
498 			control->set(card, control->cookie, control->type, values);
499 		}
500 	}
501 	return B_OK;
502 }
503 
504 
505 static status_t
506 auvia_list_mix_controls(auvia_dev *card, multi_mix_control_info * mmci)
507 {
508 	multi_mix_control	*mmc;
509 	uint32 i;
510 
511 	mmc = mmci->controls;
512 	if (mmci->control_count < 24)
513 		return B_ERROR;
514 
515 	if (auvia_create_controls_list(&card->multi) < B_OK)
516 		return B_ERROR;
517 	for (i = 0; i < card->multi.control_count; i++) {
518 		mmc[i] = card->multi.controls[i].mix_control;
519 	}
520 
521 	mmci->control_count = card->multi.control_count;
522 	return B_OK;
523 }
524 
525 
526 static status_t
527 auvia_list_mix_connections(auvia_dev *card, multi_mix_connection_info * data)
528 {
529 	return B_ERROR;
530 }
531 
532 
533 static status_t
534 auvia_list_mix_channels(auvia_dev *card, multi_mix_channel_info *data)
535 {
536 	return B_ERROR;
537 }
538 
539 /*multi_channel_info chans[] = {
540 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
541 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
542 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
543 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
544 {  4, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
545 {  5, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
546 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
547 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
548 {  8, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
549 {  9, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
550 {  10, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
551 {  11, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
552 };*/
553 
554 /*multi_channel_info chans[] = {
555 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
556 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
557 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_SURROUND_BUS, 0 },
558 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_SURROUND_BUS, 0 },
559 {  4, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARLEFT | B_CHANNEL_SURROUND_BUS, 0 },
560 {  5, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARRIGHT | B_CHANNEL_SURROUND_BUS, 0 },
561 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
562 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
563 {  8, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
564 {  9, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
565 {  10, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
566 {  11, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
567 {  12, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
568 {  13, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
569 };*/
570 
571 
572 static void
573 auvia_create_channels_list(multi_dev *multi)
574 {
575 	auvia_stream *stream;
576 	uint32 index, i, designations;
577 	int32 mode;
578 	multi_channel_info *chans;
579 	uint32 chan_designations[] = {
580 		B_CHANNEL_LEFT,
581 		B_CHANNEL_RIGHT,
582 		B_CHANNEL_REARLEFT,
583 		B_CHANNEL_REARRIGHT,
584 		B_CHANNEL_CENTER,
585 		B_CHANNEL_SUB
586 	};
587 
588 	chans = multi->chans;
589 	index = 0;
590 
591 	for (mode = AUVIA_USE_PLAY; mode != -1;
592 		mode = (mode == AUVIA_USE_PLAY) ? AUVIA_USE_RECORD : -1) {
593 		LIST_FOREACH(stream, &((auvia_dev*)multi->card)->streams, next) {
594 			if ((stream->use & mode) == 0)
595 				continue;
596 
597 			if (stream->channels == 2)
598 				designations = B_CHANNEL_STEREO_BUS;
599 			else
600 				designations = B_CHANNEL_SURROUND_BUS;
601 
602 			for (i = 0; i < stream->channels; i++) {
603 				chans[index].channel_id = index;
604 				chans[index].kind =
605 					(mode == AUVIA_USE_PLAY) ? B_MULTI_OUTPUT_CHANNEL : B_MULTI_INPUT_CHANNEL;
606 				chans[index].designations = designations | chan_designations[i];
607 				chans[index].connectors = 0;
608 				index++;
609 			}
610 		}
611 
612 		if (mode == AUVIA_USE_PLAY) {
613 			multi->output_channel_count = index;
614 		} else {
615 			multi->input_channel_count = index - multi->output_channel_count;
616 		}
617 	}
618 
619 	chans[index].channel_id = index;
620 	chans[index].kind = B_MULTI_OUTPUT_BUS;
621 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
622 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
623 	index++;
624 
625 	chans[index].channel_id = index;
626 	chans[index].kind = B_MULTI_OUTPUT_BUS;
627 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
628 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
629 	index++;
630 
631 	multi->output_bus_channel_count = index - multi->output_channel_count
632 		- multi->input_channel_count;
633 
634 	chans[index].channel_id = index;
635 	chans[index].kind = B_MULTI_INPUT_BUS;
636 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
637 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
638 	index++;
639 
640 	chans[index].channel_id = index;
641 	chans[index].kind = B_MULTI_INPUT_BUS;
642 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
643 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
644 	index++;
645 
646 	multi->input_bus_channel_count = index - multi->output_channel_count
647 		- multi->input_channel_count - multi->output_bus_channel_count;
648 
649 	multi->aux_bus_channel_count = 0;
650 }
651 
652 
653 static status_t
654 auvia_get_description(auvia_dev *card, multi_description *data)
655 {
656 	uint32 size;
657 
658 	data->interface_version = B_CURRENT_INTERFACE_VERSION;
659 	data->interface_minimum = B_CURRENT_INTERFACE_VERSION;
660 
661 	if (IS_686(&card->config))
662 		strncpy(data->friendly_name, FRIENDLY_NAME_686, 32);
663 	else if (IS_8233(&card->config)) {
664 		switch (card->info.revision) {
665 			case VIATECH_8233_AC97_REV_8233_10:
666 				strncpy(data->friendly_name, FRIENDLY_NAME_8233, 32);
667 				break;
668 			case VIATECH_8233_AC97_REV_8233C:
669 				strncpy(data->friendly_name, FRIENDLY_NAME_8233C, 32);
670 				break;
671 			case VIATECH_8233_AC97_REV_8233:
672 				strncpy(data->friendly_name, FRIENDLY_NAME_8233, 32);
673 				break;
674 			case VIATECH_8233_AC97_REV_8233A:
675 				strncpy(data->friendly_name, FRIENDLY_NAME_8233A, 32);
676 				break;
677 			case VIATECH_8233_AC97_REV_8235:
678 				strncpy(data->friendly_name, FRIENDLY_NAME_8235, 32);
679 				break;
680 			case VIATECH_8233_AC97_REV_8237:
681 				strncpy(data->friendly_name, FRIENDLY_NAME_8237, 32);
682 				break;
683 			default:
684 				strncpy(data->friendly_name, FRIENDLY_NAME, 32);
685 		}
686 	}
687 	strcpy(data->vendor_info, AUTHOR);
688 
689 	/*data->output_channel_count = 6;
690 	data->input_channel_count = 4;
691 	data->output_bus_channel_count = 2;
692 	data->input_bus_channel_count = 2;
693 	data->aux_bus_channel_count = 0;*/
694 
695 	data->output_channel_count = card->multi.output_channel_count;
696 	data->input_channel_count = card->multi.input_channel_count;
697 	data->output_bus_channel_count = card->multi.output_bus_channel_count;
698 	data->input_bus_channel_count = card->multi.input_bus_channel_count;
699 	data->aux_bus_channel_count = card->multi.aux_bus_channel_count;
700 
701 	size = card->multi.output_channel_count + card->multi.input_channel_count
702 			+ card->multi.output_bus_channel_count + card->multi.input_bus_channel_count
703 			+ card->multi.aux_bus_channel_count;
704 
705 	// for each channel, starting with the first output channel,
706 	// then the second, third..., followed by the first input
707 	// channel, second, third, ..., followed by output bus
708 	// channels and input bus channels and finally auxillary channels,
709 
710 	LOG(("request_channel_count = %d\n",data->request_channel_count));
711 	if (data->request_channel_count >= (int32)size) {
712 		LOG(("copying data\n"));
713 		memcpy(data->channels, card->multi.chans, size * sizeof(card->multi.chans[0]));
714 	}
715 
716 	data->output_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
717 	data->input_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
718 	//data->output_rates = B_SR_44100;
719 	//data->input_rates = B_SR_44100;
720 	data->min_cvsr_rate = 0;
721 	data->max_cvsr_rate = 48000;
722 	//data->max_cvsr_rate = 44100;
723 
724 	data->output_formats = B_FMT_16BIT;
725 	data->input_formats = B_FMT_16BIT;
726 	data->lock_sources = B_MULTI_LOCK_INTERNAL;
727 	data->timecode_sources = 0;
728 	data->interface_flags = B_MULTI_INTERFACE_PLAYBACK | B_MULTI_INTERFACE_RECORD;
729 	data->start_latency = 3000;
730 
731 	strcpy(data->control_panel, "");
732 
733 	return B_OK;
734 }
735 
736 
737 static status_t
738 auvia_get_enabled_channels(auvia_dev *card, multi_channel_enable *data)
739 {
740 	B_SET_CHANNEL(data->enable_bits, 0, true);
741 	B_SET_CHANNEL(data->enable_bits, 1, true);
742 	B_SET_CHANNEL(data->enable_bits, 2, true);
743 	B_SET_CHANNEL(data->enable_bits, 3, true);
744 	data->lock_source = B_MULTI_LOCK_INTERNAL;
745 /*
746 	uint32			lock_source;
747 	int32			lock_data;
748 	uint32			timecode_source;
749 	uint32 *		connectors;
750 */
751 	return B_OK;
752 }
753 
754 
755 static status_t
756 auvia_set_enabled_channels(auvia_dev *card, multi_channel_enable *data)
757 {
758 	PRINT(("set_enabled_channels 0 : %s\n", B_TEST_CHANNEL(data->enable_bits, 0) ? "enabled": "disabled"));
759 	PRINT(("set_enabled_channels 1 : %s\n", B_TEST_CHANNEL(data->enable_bits, 1) ? "enabled": "disabled"));
760 	PRINT(("set_enabled_channels 2 : %s\n", B_TEST_CHANNEL(data->enable_bits, 2) ? "enabled": "disabled"));
761 	PRINT(("set_enabled_channels 3 : %s\n", B_TEST_CHANNEL(data->enable_bits, 3) ? "enabled": "disabled"));
762 	return B_OK;
763 }
764 
765 
766 static status_t
767 auvia_get_global_format(auvia_dev *card, multi_format_info *data)
768 {
769 	data->output_latency = 0;
770 	data->input_latency = 0;
771 	data->timecode_kind = 0;
772 	data->input.rate = B_SR_48000;
773 	data->input.cvsr = 48000;
774 	data->input.format = B_FMT_16BIT;
775 	data->output.rate = B_SR_48000;
776 	data->output.cvsr = 48000;
777 	data->output.format = B_FMT_16BIT;
778 	/*data->input.rate = B_SR_44100;
779 	data->input.cvsr = 44100;
780 	data->input.format = B_FMT_16BIT;
781 	data->output.rate = B_SR_44100;
782 	data->output.cvsr = 44100;
783 	data->output.format = B_FMT_16BIT;*/
784 	return B_OK;
785 }
786 
787 
788 static status_t
789 auvia_get_buffers(auvia_dev *card, multi_buffer_list *data)
790 {
791 	uint32 i, j, pchannels, rchannels;
792 
793 	LOG(("flags = %#x\n",data->flags));
794 	LOG(("request_playback_buffers = %#x\n",data->request_playback_buffers));
795 	LOG(("request_playback_channels = %#x\n",data->request_playback_channels));
796 	LOG(("request_playback_buffer_size = %#x\n",data->request_playback_buffer_size));
797 	LOG(("request_record_buffers = %#x\n",data->request_record_buffers));
798 	LOG(("request_record_channels = %#x\n",data->request_record_channels));
799 	LOG(("request_record_buffer_size = %#x\n",data->request_record_buffer_size));
800 
801 	pchannels = card->pstream->channels;
802 	rchannels = card->rstream->channels;
803 
804 	if (data->request_playback_buffers < BUFFER_COUNT
805 		|| data->request_playback_channels < (int32)(pchannels)
806 		|| data->request_record_buffers < BUFFER_COUNT
807 		|| data->request_record_channels < (int32)(rchannels)) {
808 		LOG(("not enough channels/buffers\n"));
809 	}
810 
811 	ASSERT(BUFFER_COUNT == 2);
812 
813 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD; // XXX ???
814 //	data->flags = 0;
815 
816 	data->return_playback_buffers = BUFFER_COUNT;	/* playback_buffers[b][] */
817 	data->return_playback_channels = pchannels;		/* playback_buffers[][c] */
818 	data->return_playback_buffer_size = BUFFER_FRAMES;		/* frames */
819 
820 	for (i = 0; i < BUFFER_COUNT; i++)
821 		for (j = 0; j < pchannels; j++)
822 			auvia_stream_get_nth_buffer(card->pstream, j, i,
823 				&data->playback_buffers[i][j].base,
824 				&data->playback_buffers[i][j].stride);
825 
826 	data->return_record_buffers = BUFFER_COUNT;
827 	data->return_record_channels = rchannels;
828 	data->return_record_buffer_size = BUFFER_FRAMES;	/* frames */
829 
830 	for (i = 0; i < BUFFER_COUNT; i++)
831 		for (j = 0; j<rchannels; j++)
832 			auvia_stream_get_nth_buffer(card->rstream, j, i,
833 				&data->record_buffers[i][j].base,
834 				&data->record_buffers[i][j].stride);
835 
836 	return B_OK;
837 }
838 
839 
840 static void
841 auvia_play_inth(void* inthparams)
842 {
843 	auvia_stream *stream = (auvia_stream *)inthparams;
844 	//int32 count;
845 
846 	//TRACE(("auvia_play_inth\n"));
847 
848 	acquire_spinlock(&slock);
849 	stream->real_time = system_time();
850 	stream->frames_count += BUFFER_FRAMES;
851 	stream->buffer_cycle = (stream->trigblk
852 		+ stream->blkmod - 1) % stream->blkmod;
853 	stream->update_needed = true;
854 	release_spinlock(&slock);
855 
856 	//get_sem_count(stream->card->buffer_ready_sem, &count);
857 	//if (count <= 0)
858 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
859 }
860 
861 
862 static void
863 auvia_record_inth(void* inthparams)
864 {
865 	auvia_stream *stream = (auvia_stream *)inthparams;
866 	//int32 count;
867 
868 	//TRACE(("auvia_record_inth\n"));
869 
870 	acquire_spinlock(&slock);
871 	stream->real_time = system_time();
872 	stream->frames_count += BUFFER_FRAMES;
873 	stream->buffer_cycle = (stream->trigblk
874 		+ stream->blkmod - 1) % stream->blkmod;
875 	stream->update_needed = true;
876 	release_spinlock(&slock);
877 
878 	//get_sem_count(stream->card->buffer_ready_sem, &count);
879 	//if (count <= 0)
880 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
881 }
882 
883 
884 static status_t
885 auvia_buffer_exchange(auvia_dev *card, multi_buffer_info *data)
886 {
887 	cpu_status status;
888 	auvia_stream *pstream, *rstream;
889 	multi_buffer_info buffer_info;
890 
891 #ifdef __HAIKU__
892 	if (user_memcpy(&buffer_info, data, sizeof(buffer_info)) < B_OK)
893 		return B_BAD_ADDRESS;
894 #else
895 	memcpy(&buffer_info, data, sizeof(buffer_info));
896 #endif
897 
898 	buffer_info.flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;
899 
900 	if (!(card->pstream->state & AUVIA_STATE_STARTED))
901 		auvia_stream_start(card->pstream, auvia_play_inth, card->pstream);
902 
903 	if (!(card->rstream->state & AUVIA_STATE_STARTED))
904 		auvia_stream_start(card->rstream, auvia_record_inth, card->rstream);
905 
906 	if (acquire_sem_etc(card->buffer_ready_sem, 1, B_RELATIVE_TIMEOUT | B_CAN_INTERRUPT, 50000)
907 		== B_TIMED_OUT) {
908 		LOG(("buffer_exchange timeout ff\n"));
909 	}
910 
911 	status = lock();
912 
913 	LIST_FOREACH(pstream, &card->streams, next) {
914 		if ((pstream->use & AUVIA_USE_PLAY) == 0 ||
915 			(pstream->state & AUVIA_STATE_STARTED) == 0)
916 			continue;
917 		if (pstream->update_needed)
918 			break;
919 	}
920 
921 	LIST_FOREACH(rstream, &card->streams, next) {
922 		if ((rstream->use & AUVIA_USE_RECORD) == 0 ||
923 			(rstream->state & AUVIA_STATE_STARTED) == 0)
924 			continue;
925 		if (rstream->update_needed)
926 			break;
927 	}
928 
929 	if (!pstream)
930 		pstream = card->pstream;
931 	if (!rstream)
932 		rstream = card->rstream;
933 
934 	/* do playback */
935 	buffer_info.playback_buffer_cycle = pstream->buffer_cycle;
936 	buffer_info.played_real_time = pstream->real_time;
937 	buffer_info.played_frames_count = pstream->frames_count;
938 	buffer_info._reserved_0 = pstream->first_channel;
939 	pstream->update_needed = false;
940 
941 	/* do record */
942 	buffer_info.record_buffer_cycle = rstream->buffer_cycle;
943 	buffer_info.recorded_frames_count = rstream->frames_count;
944 	buffer_info.recorded_real_time = rstream->real_time;
945 	buffer_info._reserved_1 = rstream->first_channel;
946 	rstream->update_needed = false;
947 	unlock(status);
948 
949 #ifdef __HAIKU__
950 	if (user_memcpy(data, &buffer_info, sizeof(buffer_info)) < B_OK)
951 		return B_BAD_ADDRESS;
952 #else
953 	memcpy(data, &buffer_info, sizeof(buffer_info));
954 #endif
955 
956 	//TRACE(("buffer_exchange ended\n"));
957 	return B_OK;
958 }
959 
960 
961 static status_t
962 auvia_buffer_force_stop(auvia_dev *card)
963 {
964 	//auvia_voice_halt(card->pvoice);
965 	return B_OK;
966 }
967 
968 
969 static status_t
970 auvia_multi_control(void *cookie, uint32 op, void *data, size_t length)
971 {
972 	auvia_dev *card = (auvia_dev *)cookie;
973 
974     switch (op) {
975 		case B_MULTI_GET_DESCRIPTION:
976 			LOG(("B_MULTI_GET_DESCRIPTION\n"));
977 			return auvia_get_description(card, (multi_description *)data);
978 		case B_MULTI_GET_EVENT_INFO:
979 			LOG(("B_MULTI_GET_EVENT_INFO\n"));
980 			return B_ERROR;
981 		case B_MULTI_SET_EVENT_INFO:
982 			LOG(("B_MULTI_SET_EVENT_INFO\n"));
983 			return B_ERROR;
984 		case B_MULTI_GET_EVENT:
985 			LOG(("B_MULTI_GET_EVENT\n"));
986 			return B_ERROR;
987 		case B_MULTI_GET_ENABLED_CHANNELS:
988 			LOG(("B_MULTI_GET_ENABLED_CHANNELS\n"));
989 			return auvia_get_enabled_channels(card, (multi_channel_enable *)data);
990 		case B_MULTI_SET_ENABLED_CHANNELS:
991 			LOG(("B_MULTI_SET_ENABLED_CHANNELS\n"));
992 			return auvia_set_enabled_channels(card, (multi_channel_enable *)data);
993 		case B_MULTI_GET_GLOBAL_FORMAT:
994 			LOG(("B_MULTI_GET_GLOBAL_FORMAT\n"));
995 			return auvia_get_global_format(card, (multi_format_info *)data);
996 		case B_MULTI_SET_GLOBAL_FORMAT:
997 			LOG(("B_MULTI_SET_GLOBAL_FORMAT\n"));
998 			return B_OK; /* XXX BUG! we *MUST* return B_OK, returning B_ERROR will prevent
999 						  * BeOS to accept the format returned in B_MULTI_GET_GLOBAL_FORMAT
1000 						  */
1001 		case B_MULTI_GET_CHANNEL_FORMATS:
1002 			LOG(("B_MULTI_GET_CHANNEL_FORMATS\n"));
1003 			return B_ERROR;
1004 		case B_MULTI_SET_CHANNEL_FORMATS:	/* only implemented if possible */
1005 			LOG(("B_MULTI_SET_CHANNEL_FORMATS\n"));
1006 			return B_ERROR;
1007 		case B_MULTI_GET_MIX:
1008 			LOG(("B_MULTI_GET_MIX\n"));
1009 			return auvia_get_mix(card, (multi_mix_value_info *)data);
1010 		case B_MULTI_SET_MIX:
1011 			LOG(("B_MULTI_SET_MIX\n"));
1012 			return auvia_set_mix(card, (multi_mix_value_info *)data);
1013 		case B_MULTI_LIST_MIX_CHANNELS:
1014 			LOG(("B_MULTI_LIST_MIX_CHANNELS\n"));
1015 			return auvia_list_mix_channels(card, (multi_mix_channel_info *)data);
1016 		case B_MULTI_LIST_MIX_CONTROLS:
1017 			LOG(("B_MULTI_LIST_MIX_CONTROLS\n"));
1018 			return auvia_list_mix_controls(card, (multi_mix_control_info *)data);
1019 		case B_MULTI_LIST_MIX_CONNECTIONS:
1020 			LOG(("B_MULTI_LIST_MIX_CONNECTIONS\n"));
1021 			return auvia_list_mix_connections(card, (multi_mix_connection_info *)data);
1022 		case B_MULTI_GET_BUFFERS:			/* Fill out the struct for the first time; doesn't start anything. */
1023 			LOG(("B_MULTI_GET_BUFFERS\n"));
1024 			return auvia_get_buffers(card, data);
1025 		case B_MULTI_SET_BUFFERS:			/* Set what buffers to use, if the driver supports soft buffers. */
1026 			LOG(("B_MULTI_SET_BUFFERS\n"));
1027 			return B_ERROR; /* we do not support soft buffers */
1028 		case B_MULTI_SET_START_TIME:			/* When to actually start */
1029 			LOG(("B_MULTI_SET_START_TIME\n"));
1030 			return B_ERROR;
1031 		case B_MULTI_BUFFER_EXCHANGE:		/* stop and go are derived from this being called */
1032 			//TRACE(("B_MULTI_BUFFER_EXCHANGE\n"));
1033 			return auvia_buffer_exchange(card, (multi_buffer_info *)data);
1034 		case B_MULTI_BUFFER_FORCE_STOP:		/* force stop of playback, nothing in data */
1035 			LOG(("B_MULTI_BUFFER_FORCE_STOP\n"));
1036 			return auvia_buffer_force_stop(card);
1037 	}
1038 	LOG(("ERROR: unknown multi_control %#x\n",op));
1039 	return B_ERROR;
1040 }
1041 
1042 static status_t auvia_open(const char *name, uint32 flags, void** cookie);
1043 static status_t auvia_close(void* cookie);
1044 static status_t auvia_free(void* cookie);
1045 static status_t auvia_control(void* cookie, uint32 op, void* arg, size_t len);
1046 static status_t auvia_read(void* cookie, off_t position, void *buf, size_t* num_bytes);
1047 static status_t auvia_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes);
1048 
1049 device_hooks multi_hooks = {
1050 	auvia_open, 			/* -> open entry point */
1051 	auvia_close, 			/* -> close entry point */
1052 	auvia_free,			/* -> free cookie */
1053 	auvia_control, 		/* -> control entry point */
1054 	auvia_read,			/* -> read entry point */
1055 	auvia_write,			/* -> write entry point */
1056 	NULL,					/* start select */
1057 	NULL,					/* stop select */
1058 	NULL,					/* scatter-gather read from the device */
1059 	NULL					/* scatter-gather write to the device */
1060 };
1061 
1062 
1063 static status_t
1064 auvia_open(const char *name, uint32 flags, void** cookie)
1065 {
1066 	auvia_dev *card = NULL;
1067 	int ix;
1068 
1069 	LOG(("open()\n"));
1070 
1071 	for (ix=0; ix<num_cards; ix++) {
1072 		if (!strcmp(cards[ix].name, name)) {
1073 			card = &cards[ix];
1074 		}
1075 	}
1076 
1077 	if (card == NULL) {
1078 		LOG(("open() card not found %s\n", name));
1079 		for (ix=0; ix<num_cards; ix++) {
1080 			LOG(("open() card available %s\n", cards[ix].name));
1081 		}
1082 		return B_ERROR;
1083 	}
1084 
1085 	LOG(("open() got card\n"));
1086 
1087 	if (card->pstream !=NULL)
1088 		return B_ERROR;
1089 	if (card->rstream !=NULL)
1090 		return B_ERROR;
1091 
1092 	*cookie = card;
1093 	card->multi.card = card;
1094 
1095 	LOG(("stream_new\n"));
1096 
1097 	card->rstream = auvia_stream_new(card, AUVIA_USE_RECORD, BUFFER_FRAMES, BUFFER_COUNT);
1098 	card->pstream = auvia_stream_new(card, AUVIA_USE_PLAY, BUFFER_FRAMES, BUFFER_COUNT);
1099 
1100 	card->buffer_ready_sem = create_sem(0, "pbuffer ready");
1101 
1102 	LOG(("stream_setaudio\n"));
1103 
1104 	auvia_stream_set_audioparms(card->pstream, 2, true, 48000);
1105 	auvia_stream_set_audioparms(card->rstream, 2, true, 48000);
1106 
1107 	card->pstream->first_channel = 0;
1108 	card->rstream->first_channel = 2;
1109 
1110 	auvia_stream_commit_parms(card->pstream);
1111 	auvia_stream_commit_parms(card->rstream);
1112 
1113 	auvia_create_channels_list(&card->multi);
1114 
1115 	return B_OK;
1116 }
1117 
1118 
1119 static status_t
1120 auvia_close(void* cookie)
1121 {
1122 	//auvia_dev *card = cookie;
1123 	LOG(("close()\n"));
1124 
1125 	return B_OK;
1126 }
1127 
1128 
1129 static status_t
1130 auvia_free(void* cookie)
1131 {
1132 	auvia_dev *card = cookie;
1133 	auvia_stream *stream;
1134 	LOG(("free()\n"));
1135 
1136 	if (card->buffer_ready_sem > B_OK)
1137 			delete_sem(card->buffer_ready_sem);
1138 
1139 	LIST_FOREACH(stream, &card->streams, next) {
1140 		auvia_stream_halt(stream);
1141 	}
1142 
1143 	while (!LIST_EMPTY(&card->streams)) {
1144 		auvia_stream_delete(LIST_FIRST(&card->streams));
1145 	}
1146 
1147 	card->pstream = NULL;
1148 	card->rstream = NULL;
1149 
1150 	return B_OK;
1151 }
1152 
1153 
1154 static status_t
1155 auvia_control(void* cookie, uint32 op, void* arg, size_t len)
1156 {
1157 	return auvia_multi_control(cookie, op, arg, len);
1158 }
1159 
1160 
1161 static status_t
1162 auvia_read(void* cookie, off_t position, void *buf, size_t* num_bytes)
1163 {
1164 	*num_bytes = 0;				/* tell caller nothing was read */
1165 	return B_IO_ERROR;
1166 }
1167 
1168 
1169 static status_t
1170 auvia_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes)
1171 {
1172 	*num_bytes = 0;				/* tell caller nothing was written */
1173 	return B_IO_ERROR;
1174 }
1175