xref: /haiku/src/add-ons/kernel/drivers/audio/ac97/auvia/multi.c (revision 3e216965baa8d58a67bf7372e2bfa13d999f5a9d)
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 "multi_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 static void
47 auvia_ac97_get_mix(void *card, const void *cookie, int32 type, float *values) {
48 	auvia_dev *dev = (auvia_dev*)card;
49 	ac97_source_info *info = (ac97_source_info *)cookie;
50 	uint16 value, mask;
51 	float gain;
52 
53 	switch(type) {
54 		case B_MIX_GAIN:
55 			value = auvia_codec_read(&dev->config, info->reg);
56 			//PRINT(("B_MIX_GAIN value : %u\n", value));
57 			if(info->type & B_MIX_STEREO) {
58 				mask = ((1 << (info->bits + 1)) - 1) << 8;
59 				gain = ((value & mask) >> 8) * info->granularity;
60 				if(info->polarity == 1)
61 					values[0] = info->max_gain - gain;
62 				else
63 					values[0] = gain - info->min_gain;
64 
65 				mask = ((1 << (info->bits + 1)) - 1);
66 				gain = (value & mask) * info->granularity;
67 				if(info->polarity == 1)
68 					values[1] = info->max_gain - gain;
69 				else
70 					values[1] = gain - info->min_gain;
71 			} else {
72 				mask = ((1 << (info->bits + 1)) - 1);
73 				gain = (value & mask) * info->granularity;
74 				if(info->polarity == 1)
75 					values[0] = info->max_gain - gain;
76 				else
77 					values[0] = gain - info->min_gain;
78 			}
79 			break;
80 		case B_MIX_MUTE:
81 			mask = ((1 << 1) - 1) << 15;
82 			value = auvia_codec_read(&dev->config, info->reg);
83 			//PRINT(("B_MIX_MUTE value : %u\n", value));
84 			value &= mask;
85 			values[0] = ((value >> 15) == 1) ? 1.0 : 0.0;
86 			break;
87 		case B_MIX_MICBOOST:
88 			mask = ((1 << 1) - 1) << 6;
89 			value = auvia_codec_read(&dev->config, info->reg);
90 			//PRINT(("B_MIX_MICBOOST value : %u\n", value));
91 			value &= mask;
92 			values[0] = ((value >> 6) == 1) ? 1.0 : 0.0;
93 			break;
94 		case B_MIX_MUX:
95 			mask = ((1 << 3) - 1);
96 			value = auvia_codec_read(&dev->config, AC97_RECORD_SELECT);
97 			value &= mask;
98 			//PRINT(("B_MIX_MUX value : %u\n", value));
99 			values[0] = (float)value;
100 			break;
101 	}
102 }
103 
104 static void
105 auvia_ac97_set_mix(void *card, const void *cookie, int32 type, float *values) {
106 	auvia_dev *dev = (auvia_dev*)card;
107 	ac97_source_info *info = (ac97_source_info *)cookie;
108 	uint16 value, mask;
109 	float gain;
110 
111 	switch(type) {
112 		case B_MIX_GAIN:
113 			value = auvia_codec_read(&dev->config, info->reg);
114 			if(info->type & B_MIX_STEREO) {
115 				mask = ((1 << (info->bits + 1)) - 1) << 8;
116 				value &= ~mask;
117 
118 				if(info->polarity == 1)
119 					gain = info->max_gain - values[0];
120 				else
121 					gain =  values[0] - info->min_gain;
122 				value |= ((uint16)(gain	/ info->granularity) << 8) & mask;
123 
124 				mask = ((1 << (info->bits + 1)) - 1);
125 				value &= ~mask;
126 				if(info->polarity == 1)
127 					gain = info->max_gain - values[1];
128 				else
129 					gain =  values[1] - info->min_gain;
130 				value |= ((uint16)(gain / info->granularity)) & mask;
131 			} else {
132 				mask = ((1 << (info->bits + 1)) - 1);
133 				value &= ~mask;
134 				if(info->polarity == 1)
135 					gain = info->max_gain - values[0];
136 				else
137 					gain =  values[0] - info->min_gain;
138 				value |= ((uint16)(gain / info->granularity)) & mask;
139 			}
140 			//PRINT(("B_MIX_GAIN value : %u\n", value));
141 			auvia_codec_write(&dev->config, info->reg, value);
142 			break;
143 		case B_MIX_MUTE:
144 			mask = ((1 << 1) - 1) << 15;
145 			value = auvia_codec_read(&dev->config, info->reg);
146 			value &= ~mask;
147 			value |= ((values[0] == 1.0 ? 1 : 0 ) << 15 & mask);
148 			if(info->reg == AC97_SURROUND_VOLUME) {
149 				// there is a independent mute for each channel
150 				mask = ((1 << 1) - 1) << 7;
151 				value &= ~mask;
152 				value |= ((values[0] == 1.0 ? 1 : 0 ) << 7 & mask);
153 			}
154 			//PRINT(("B_MIX_MUTE value : %u\n", value));
155 			auvia_codec_write(&dev->config, info->reg, value);
156 			break;
157 		case B_MIX_MICBOOST:
158 			mask = ((1 << 1) - 1) << 6;
159 			value = auvia_codec_read(&dev->config, info->reg);
160 			value &= ~mask;
161 			value |= ((values[0] == 1.0 ? 1 : 0 ) << 6 & mask);
162 			//PRINT(("B_MIX_MICBOOST value : %u\n", value));
163 			auvia_codec_write(&dev->config, info->reg, value);
164 			break;
165 		case B_MIX_MUX:
166 			mask = ((1 << 3) - 1);
167 			value = ((int32)values[0]) & mask;
168 			value = value | (value << 8);
169 			//PRINT(("B_MIX_MUX value : %u\n", value));
170 			auvia_codec_write(&dev->config, AC97_RECORD_SELECT, value);
171 			break;
172 	}
173 
174 }
175 
176 static int32
177 auvia_create_group_control(multi_dev *multi, int32 *index, int32 parent,
178 	int32 string, const char* name) {
179 	int32 i = *index;
180 	(*index)++;
181 	multi->controls[i].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + i;
182 	multi->controls[i].mix_control.parent = parent;
183 	multi->controls[i].mix_control.flags = B_MULTI_MIX_GROUP;
184 	multi->controls[i].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
185 	multi->controls[i].mix_control.string = string;
186 	if(name)
187 		strcpy(multi->controls[i].mix_control.name, name);
188 
189 	return multi->controls[i].mix_control.id;
190 }
191 
192 static status_t
193 auvia_create_controls_list(multi_dev *multi)
194 {
195 	uint32 	i = 0, index = 0, count, id, parent, parent2, parent3;
196 	auvia_dev *card = (auvia_dev*)multi->card;
197 	const ac97_source_info *info;
198 
199 	parent = auvia_create_group_control(multi, &index, 0, 0, "Record");
200 
201 	/* AC97 Record */
202 	info = &source_info[0];
203 	PRINT(("name : %s\n", info->name));
204 
205 	parent2 = auvia_create_group_control(multi, &index, parent, 0, info->name);
206 
207 	if(info->type & B_MIX_GAIN) {
208 		if(info->type & B_MIX_MUTE) {
209 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
210 			multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
211 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
212 			multi->controls[index].mix_control.parent = parent2;
213 			multi->controls[index].mix_control.string = S_MUTE;
214 			multi->controls[index].cookie = info;
215 			multi->controls[index].type = B_MIX_MUTE;
216 			multi->controls[index].get = &auvia_ac97_get_mix;
217 			multi->controls[index].set = &auvia_ac97_set_mix;
218 			index++;
219 		}
220 
221 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
222 		multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
223 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
224 		multi->controls[index].mix_control.parent = parent2;
225 		strcpy(multi->controls[index].mix_control.name, info->name);
226 		multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
227 		multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
228 		multi->controls[index].mix_control.u.gain.granularity = info->granularity;
229 		multi->controls[index].cookie = info;
230 		multi->controls[index].type = B_MIX_GAIN;
231 		multi->controls[index].get = &auvia_ac97_get_mix;
232 		multi->controls[index].set = &auvia_ac97_set_mix;
233 		id = multi->controls[index].mix_control.id;
234 		index++;
235 
236 		if(info->type & B_MIX_STEREO) {
237 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
238 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
239 			multi->controls[index].mix_control.master = id;
240 			multi->controls[index].mix_control.parent = parent2;
241 			strcpy(multi->controls[index].mix_control.name, info->name);
242 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
243 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
244 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
245 			multi->controls[index].cookie = info;
246 			multi->controls[index].type = B_MIX_GAIN;
247 			multi->controls[index].get = &auvia_ac97_get_mix;
248 			multi->controls[index].set = &auvia_ac97_set_mix;
249 			index++;
250 		}
251 
252 		if(info->type & B_MIX_RECORDMUX) {
253 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
254 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX;
255 			multi->controls[index].mix_control.parent = parent2;
256 			strcpy(multi->controls[index].mix_control.name, "Record Mux");
257 			multi->controls[index].cookie = info;
258 			multi->controls[index].type = B_MIX_MUX;
259 			multi->controls[index].get = &auvia_ac97_get_mix;
260 			multi->controls[index].set = &auvia_ac97_set_mix;
261 			parent3 = multi->controls[index].mix_control.id;
262 			index++;
263 
264 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
265 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
266 			multi->controls[index].mix_control.parent = parent3;
267 			multi->controls[index].mix_control.string = S_MIC;
268 			index++;
269 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
270 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
271 			multi->controls[index].mix_control.parent = parent3;
272 			strcpy(multi->controls[index].mix_control.name, "CD In");
273 			index++;
274 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
275 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
276 			multi->controls[index].mix_control.parent = parent3;
277 			strcpy(multi->controls[index].mix_control.name, "Video In");
278 			index++;
279 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
280 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
281 			multi->controls[index].mix_control.parent = parent3;
282 			strcpy(multi->controls[index].mix_control.name, "Aux In");
283 			index++;
284 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
285 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
286 			multi->controls[index].mix_control.parent = parent3;
287 			strcpy(multi->controls[index].mix_control.name, "Line In");
288 			index++;
289 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
290 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
291 			multi->controls[index].mix_control.parent = parent3;
292 			multi->controls[index].mix_control.string = S_STEREO_MIX;
293 			index++;
294 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
295 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
296 			multi->controls[index].mix_control.parent = parent3;
297 			multi->controls[index].mix_control.string = S_MONO_MIX;
298 			index++;
299 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
300 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
301 			multi->controls[index].mix_control.parent = parent3;
302 			strcpy(multi->controls[index].mix_control.name, "TAD");
303 			index++;
304 		}
305 	}
306 
307 	parent = auvia_create_group_control(multi, &index, 0, 0, "AC97 Mixer");
308 
309 	count = source_info_size;
310 	count--;
311 
312 	for(i=1; i < count ; i++) {
313 		info = &source_info[i];
314 		PRINT(("name : %s\n", info->name));
315 
316 		parent2 = auvia_create_group_control(multi, &index, parent, 0, info->name);
317 
318 		if(info->type & B_MIX_GAIN) {
319 			if(info->type & B_MIX_MUTE) {
320 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
321 				multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
322 				multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
323 				multi->controls[index].mix_control.parent = parent2;
324 				multi->controls[index].mix_control.string = S_MUTE;
325 				multi->controls[index].cookie = info;
326 				multi->controls[index].type = B_MIX_MUTE;
327 				multi->controls[index].get = &auvia_ac97_get_mix;
328 				multi->controls[index].set = &auvia_ac97_set_mix;
329 				index++;
330 			}
331 
332 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
333 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
334 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
335 			multi->controls[index].mix_control.parent = parent2;
336 			strcpy(multi->controls[index].mix_control.name, info->name);
337 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
338 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
339 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
340 			multi->controls[index].cookie = info;
341 			multi->controls[index].type = B_MIX_GAIN;
342 			multi->controls[index].get = &auvia_ac97_get_mix;
343 			multi->controls[index].set = &auvia_ac97_set_mix;
344 			id = multi->controls[index].mix_control.id;
345 			index++;
346 
347 			if(info->type & B_MIX_STEREO) {
348 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
349 				multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
350 				multi->controls[index].mix_control.master = id;
351 				multi->controls[index].mix_control.parent = parent2;
352 				strcpy(multi->controls[index].mix_control.name, info->name);
353 				multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
354 				multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
355 				multi->controls[index].mix_control.u.gain.granularity = info->granularity;
356 				multi->controls[index].cookie = info;
357 				multi->controls[index].type = B_MIX_GAIN;
358 				multi->controls[index].get = &auvia_ac97_get_mix;
359 				multi->controls[index].set = &auvia_ac97_set_mix;
360 				index++;
361 			}
362 		}
363 	}
364 
365 	parent = auvia_create_group_control(multi, &index, 0, S_SETUP, NULL);
366 
367 	/* AC97 20db Boost Mic */
368 	info = &source_info[6];
369 
370 	if(info->type & B_MIX_GAIN && info->type & B_MIX_MICBOOST) {
371 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
372 		multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
373 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
374 		multi->controls[index].mix_control.parent = parent;
375 		strcpy(multi->controls[index].mix_control.name, "Mic +20dB");
376 		multi->controls[index].cookie = info;
377 		multi->controls[index].type = B_MIX_MICBOOST;
378 		multi->controls[index].get = &auvia_ac97_get_mix;
379 		multi->controls[index].set = &auvia_ac97_set_mix;
380 		index++;
381 	}
382 
383 	multi->control_count = index;
384 	PRINT(("multi->control_count %u\n", multi->control_count));
385 	return B_OK;
386 }
387 
388 static status_t
389 auvia_get_mix(auvia_dev *card, multi_mix_value_info * MMVI)
390 {
391 	int32 i, id;
392 	multi_mixer_control *control = NULL;
393 	for(i=0; i<MMVI->item_count; i++) {
394 		id = MMVI->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
395 		if(id < 0 || id >= card->multi.control_count) {
396 			PRINT(("auvia_get_mix : invalid control id requested : %i\n", id));
397 			continue;
398 		}
399 		control = &card->multi.controls[id];
400 
401 		if(control->mix_control.flags & B_MULTI_MIX_GAIN) {
402 			if(control->get) {
403 				float values[2];
404 				control->get(card, control->cookie, control->type, values);
405 				if(control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
406 					MMVI->values[i].u.gain = values[0];
407 				else
408 					MMVI->values[i].u.gain = values[1];
409 			}
410 		}
411 
412 		if(control->mix_control.flags & B_MULTI_MIX_ENABLE && control->get) {
413 			float values[1];
414 			control->get(card, control->cookie, control->type, values);
415 			MMVI->values[i].u.enable = (values[0] == 1.0);
416 		}
417 
418 		if(control->mix_control.flags & B_MULTI_MIX_MUX && control->get) {
419 			float values[1];
420 			control->get(card, control->cookie, control->type, values);
421 			MMVI->values[i].u.mux = (int32)values[0];
422 		}
423 	}
424 	return B_OK;
425 }
426 
427 static status_t
428 auvia_set_mix(auvia_dev *card, multi_mix_value_info * MMVI)
429 {
430 	int32 i, id;
431 	multi_mixer_control *control = NULL;
432 	for(i=0; i<MMVI->item_count; i++) {
433 		id = MMVI->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
434 		if(id < 0 || id >= card->multi.control_count) {
435 			PRINT(("auvia_set_mix : invalid control id requested : %i\n", id));
436 			continue;
437 		}
438 		control = &card->multi.controls[id];
439 
440 		if(control->mix_control.flags & B_MULTI_MIX_GAIN) {
441 			multi_mixer_control *control2 = NULL;
442 			if(i+1<MMVI->item_count) {
443 				id = MMVI->values[i + 1].id - EMU_MULTI_CONTROL_FIRSTID;
444 				if(id < 0 || id >= card->multi.control_count) {
445 					PRINT(("auvia_set_mix : invalid control id requested : %i\n", id));
446 				} else {
447 					control2 = &card->multi.controls[id];
448 					if(control2->mix_control.master != control->mix_control.id)
449 						control2 = NULL;
450 				}
451 			}
452 
453 			if(control->set) {
454 				float values[2];
455 				values[0] = 0.0;
456 				values[1] = 0.0;
457 
458 				if(control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
459 					values[0] = MMVI->values[i].u.gain;
460 				else
461 					values[1] = MMVI->values[i].u.gain;
462 
463 				if(control2 && control2->mix_control.master != EMU_MULTI_CONTROL_MASTERID)
464 					values[1] = MMVI->values[i+1].u.gain;
465 
466 				control->set(card, control->cookie, control->type, values);
467 			}
468 
469 			if(control2)
470 				i++;
471 		}
472 
473 		if(control->mix_control.flags & B_MULTI_MIX_ENABLE && control->set) {
474 			float values[1];
475 
476 			values[0] = MMVI->values[i].u.enable ? 1.0 : 0.0;
477 			control->set(card, control->cookie, control->type, values);
478 		}
479 
480 		if(control->mix_control.flags & B_MULTI_MIX_MUX && control->set) {
481 			float values[1];
482 
483 			values[0] = (float)MMVI->values[i].u.mux;
484 			control->set(card, control->cookie, control->type, values);
485 		}
486 	}
487 	return B_OK;
488 }
489 
490 static status_t
491 auvia_list_mix_controls(auvia_dev *card, multi_mix_control_info * MMCI)
492 {
493 	multi_mix_control	*MMC;
494 	int32 i;
495 
496 	MMC = MMCI->controls;
497 	if(MMCI->control_count < 24)
498 		return B_ERROR;
499 
500 	if(auvia_create_controls_list(&card->multi) < B_OK)
501 		return B_ERROR;
502 	for(i=0; i<card->multi.control_count; i++) {
503 		MMC[i] = card->multi.controls[i].mix_control;
504 	}
505 
506 	MMCI->control_count = card->multi.control_count;
507 	return B_OK;
508 }
509 
510 static status_t
511 auvia_list_mix_connections(auvia_dev *card, multi_mix_connection_info * data)
512 {
513 	return B_ERROR;
514 }
515 
516 static status_t
517 auvia_list_mix_channels(auvia_dev *card, multi_mix_channel_info *data)
518 {
519 	return B_ERROR;
520 }
521 
522 /*multi_channel_info chans[] = {
523 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
524 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
525 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
526 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
527 {  4, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
528 {  5, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
529 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
530 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
531 {  8, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
532 {  9, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
533 {  10, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
534 {  11, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
535 };*/
536 
537 /*multi_channel_info chans[] = {
538 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
539 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
540 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_SURROUND_BUS, 0 },
541 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_SURROUND_BUS, 0 },
542 {  4, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARLEFT | B_CHANNEL_SURROUND_BUS, 0 },
543 {  5, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARRIGHT | B_CHANNEL_SURROUND_BUS, 0 },
544 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
545 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
546 {  8, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
547 {  9, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
548 {  10, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
549 {  11, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
550 {  12, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
551 {  13, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
552 };*/
553 
554 
555 static void
556 auvia_create_channels_list(multi_dev *multi)
557 {
558 	auvia_stream *stream;
559 	uint32 index, i, mode, designations;
560 	multi_channel_info *chans;
561 	uint32 chan_designations[] = {
562 		B_CHANNEL_LEFT,
563 		B_CHANNEL_RIGHT,
564 		B_CHANNEL_REARLEFT,
565 		B_CHANNEL_REARRIGHT,
566 		B_CHANNEL_CENTER,
567 		B_CHANNEL_SUB
568 	};
569 
570 	chans = multi->chans;
571 	index = 0;
572 
573 	for(mode=AUVIA_USE_PLAY; mode!=-1;
574 		mode = (mode == AUVIA_USE_PLAY) ? AUVIA_USE_RECORD : -1) {
575 		LIST_FOREACH(stream, &((auvia_dev*)multi->card)->streams, next) {
576 			if ((stream->use & mode) == 0)
577 				continue;
578 
579 			if(stream->channels == 2)
580 				designations = B_CHANNEL_STEREO_BUS;
581 			else
582 				designations = B_CHANNEL_SURROUND_BUS;
583 
584 			for(i=0; i<stream->channels; i++) {
585 				chans[index].channel_id = index;
586 				chans[index].kind = (mode == AUVIA_USE_PLAY) ? B_MULTI_OUTPUT_CHANNEL : B_MULTI_INPUT_CHANNEL;
587 				chans[index].designations = designations | chan_designations[i];
588 				chans[index].connectors = 0;
589 				index++;
590 			}
591 		}
592 
593 		if(mode==AUVIA_USE_PLAY) {
594 			multi->output_channel_count = index;
595 		} else {
596 			multi->input_channel_count = index - multi->output_channel_count;
597 		}
598 	}
599 
600 	chans[index].channel_id = index;
601 	chans[index].kind = B_MULTI_OUTPUT_BUS;
602 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
603 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
604 	index++;
605 
606 	chans[index].channel_id = index;
607 	chans[index].kind = B_MULTI_OUTPUT_BUS;
608 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
609 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
610 	index++;
611 
612 	multi->output_bus_channel_count = index - multi->output_channel_count
613 		- multi->input_channel_count;
614 
615 	chans[index].channel_id = index;
616 	chans[index].kind = B_MULTI_INPUT_BUS;
617 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
618 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
619 	index++;
620 
621 	chans[index].channel_id = index;
622 	chans[index].kind = B_MULTI_INPUT_BUS;
623 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
624 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
625 	index++;
626 
627 	multi->input_bus_channel_count = index - multi->output_channel_count
628 		- multi->input_channel_count - multi->output_bus_channel_count;
629 
630 	multi->aux_bus_channel_count = 0;
631 }
632 
633 
634 static status_t
635 auvia_get_description(auvia_dev *card, multi_description *data)
636 {
637 	uint32 size;
638 
639 	data->interface_version = B_CURRENT_INTERFACE_VERSION;
640 	data->interface_minimum = B_CURRENT_INTERFACE_VERSION;
641 
642 	if(IS_686(&card->config))
643 		strncpy(data->friendly_name, FRIENDLY_NAME_686, 32);
644 	else if(IS_8233(&card->config)) {
645 		switch(card->info.revision) {
646 			case VIATECH_8233_AC97_REV_8233_10:
647 				strncpy(data->friendly_name, FRIENDLY_NAME_8233, 32);
648 				break;
649 			case VIATECH_8233_AC97_REV_8233C:
650 				strncpy(data->friendly_name, FRIENDLY_NAME_8233C, 32);
651 				break;
652 			case VIATECH_8233_AC97_REV_8233:
653 				strncpy(data->friendly_name, FRIENDLY_NAME_8233, 32);
654 				break;
655 			case VIATECH_8233_AC97_REV_8233A:
656 				strncpy(data->friendly_name, FRIENDLY_NAME_8233A, 32);
657 				break;
658 			case VIATECH_8233_AC97_REV_8235:
659 				strncpy(data->friendly_name, FRIENDLY_NAME_8235, 32);
660 				break;
661 			case VIATECH_8233_AC97_REV_8237:
662 				strncpy(data->friendly_name, FRIENDLY_NAME_8237, 32);
663 				break;
664 			default:
665 				strncpy(data->friendly_name, FRIENDLY_NAME, 32);
666 		}
667 	}
668 	strcpy(data->vendor_info, AUTHOR);
669 
670 	/*data->output_channel_count = 6;
671 	data->input_channel_count = 4;
672 	data->output_bus_channel_count = 2;
673 	data->input_bus_channel_count = 2;
674 	data->aux_bus_channel_count = 0;*/
675 
676 	data->output_channel_count = card->multi.output_channel_count;
677 	data->input_channel_count = card->multi.input_channel_count;
678 	data->output_bus_channel_count = card->multi.output_bus_channel_count;
679 	data->input_bus_channel_count = card->multi.input_bus_channel_count;
680 	data->aux_bus_channel_count = card->multi.aux_bus_channel_count;
681 
682 	size = card->multi.output_channel_count + card->multi.input_channel_count
683 			+ card->multi.output_bus_channel_count + card->multi.input_bus_channel_count
684 			+ card->multi.aux_bus_channel_count;
685 
686 	// for each channel, starting with the first output channel,
687 	// then the second, third..., followed by the first input
688 	// channel, second, third, ..., followed by output bus
689 	// channels and input bus channels and finally auxillary channels,
690 
691 	LOG(("request_channel_count = %d\n",data->request_channel_count));
692 	if (data->request_channel_count >= size) {
693 		LOG(("copying data\n"));
694 		memcpy(data->channels, card->multi.chans, size * sizeof(card->multi.chans[0]));
695 	}
696 
697 	data->output_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
698 	data->input_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
699 	//data->output_rates = B_SR_44100;
700 	//data->input_rates = B_SR_44100;
701 	data->min_cvsr_rate = 0;
702 	data->max_cvsr_rate = 48000;
703 	//data->max_cvsr_rate = 44100;
704 
705 	data->output_formats = B_FMT_16BIT;
706 	data->input_formats = B_FMT_16BIT;
707 	data->lock_sources = B_MULTI_LOCK_INTERNAL;
708 	data->timecode_sources = 0;
709 	data->interface_flags = B_MULTI_INTERFACE_PLAYBACK | B_MULTI_INTERFACE_RECORD;
710 	data->start_latency = 3000;
711 
712 	strcpy(data->control_panel,"");
713 
714 	return B_OK;
715 }
716 
717 static status_t
718 auvia_get_enabled_channels(auvia_dev *card, multi_channel_enable *data)
719 {
720 	B_SET_CHANNEL(data->enable_bits, 0, true);
721 	B_SET_CHANNEL(data->enable_bits, 1, true);
722 	B_SET_CHANNEL(data->enable_bits, 2, true);
723 	B_SET_CHANNEL(data->enable_bits, 3, true);
724 	data->lock_source = B_MULTI_LOCK_INTERNAL;
725 /*
726 	uint32			lock_source;
727 	int32			lock_data;
728 	uint32			timecode_source;
729 	uint32 *		connectors;
730 */
731 	return B_OK;
732 }
733 
734 static status_t
735 auvia_set_enabled_channels(auvia_dev *card, multi_channel_enable *data)
736 {
737 	PRINT(("set_enabled_channels 0 : %s\n", B_TEST_CHANNEL(data->enable_bits, 0) ? "enabled": "disabled"));
738 	PRINT(("set_enabled_channels 1 : %s\n", B_TEST_CHANNEL(data->enable_bits, 1) ? "enabled": "disabled"));
739 	PRINT(("set_enabled_channels 2 : %s\n", B_TEST_CHANNEL(data->enable_bits, 2) ? "enabled": "disabled"));
740 	PRINT(("set_enabled_channels 3 : %s\n", B_TEST_CHANNEL(data->enable_bits, 3) ? "enabled": "disabled"));
741 	return B_OK;
742 }
743 
744 static status_t
745 auvia_get_global_format(auvia_dev *card, multi_format_info *data)
746 {
747 	data->output_latency = 0;
748 	data->input_latency = 0;
749 	data->timecode_kind = 0;
750 	data->input.rate = B_SR_48000;
751 	data->input.cvsr = 48000;
752 	data->input.format = B_FMT_16BIT;
753 	data->output.rate = B_SR_48000;
754 	data->output.cvsr = 48000;
755 	data->output.format = B_FMT_16BIT;
756 	/*data->input.rate = B_SR_44100;
757 	data->input.cvsr = 44100;
758 	data->input.format = B_FMT_16BIT;
759 	data->output.rate = B_SR_44100;
760 	data->output.cvsr = 44100;
761 	data->output.format = B_FMT_16BIT;*/
762 	return B_OK;
763 }
764 
765 static status_t
766 auvia_get_buffers(auvia_dev *card, multi_buffer_list *data)
767 {
768 	uint32 i, j, pchannels, rchannels;
769 
770 	LOG(("flags = %#x\n",data->flags));
771 	LOG(("request_playback_buffers = %#x\n",data->request_playback_buffers));
772 	LOG(("request_playback_channels = %#x\n",data->request_playback_channels));
773 	LOG(("request_playback_buffer_size = %#x\n",data->request_playback_buffer_size));
774 	LOG(("request_record_buffers = %#x\n",data->request_record_buffers));
775 	LOG(("request_record_channels = %#x\n",data->request_record_channels));
776 	LOG(("request_record_buffer_size = %#x\n",data->request_record_buffer_size));
777 
778 	pchannels = card->pstream->channels;
779 	rchannels = card->rstream->channels;
780 
781 	if (data->request_playback_buffers < BUFFER_COUNT ||
782 		data->request_playback_channels < (pchannels) ||
783 		data->request_record_buffers < BUFFER_COUNT ||
784 		data->request_record_channels < (rchannels)) {
785 		LOG(("not enough channels/buffers\n"));
786 	}
787 
788 	ASSERT(BUFFER_COUNT == 2);
789 
790 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD; // XXX ???
791 //	data->flags = 0;
792 
793 	data->return_playback_buffers = BUFFER_COUNT;	/* playback_buffers[b][] */
794 	data->return_playback_channels = pchannels;		/* playback_buffers[][c] */
795 	data->return_playback_buffer_size = BUFFER_FRAMES;		/* frames */
796 
797 	for(i=0; i<BUFFER_COUNT; i++)
798 		for(j=0; j<pchannels; j++)
799 			auvia_stream_get_nth_buffer(card->pstream, j, i,
800 				&data->playback_buffers[i][j].base,
801 				&data->playback_buffers[i][j].stride);
802 
803 	data->return_record_buffers = BUFFER_COUNT;
804 	data->return_record_channels = rchannels;
805 	data->return_record_buffer_size = BUFFER_FRAMES;	/* frames */
806 
807 	for(i=0; i<BUFFER_COUNT; i++)
808 		for(j=0; j<rchannels; j++)
809 			auvia_stream_get_nth_buffer(card->rstream, j, i,
810 				&data->record_buffers[i][j].base,
811 				&data->record_buffers[i][j].stride);
812 
813 	return B_OK;
814 }
815 
816 
817 static void
818 auvia_play_inth(void* inthparams)
819 {
820 	auvia_stream *stream = (auvia_stream *)inthparams;
821 	//int32 count;
822 
823 	//TRACE(("auvia_play_inth\n"));
824 
825 	acquire_spinlock(&slock);
826 	stream->real_time = system_time();
827 	stream->frames_count += BUFFER_FRAMES;
828 	stream->buffer_cycle = (stream->trigblk
829 		+ stream->blkmod -1) % stream->blkmod;
830 	stream->update_needed = true;
831 	release_spinlock(&slock);
832 
833 	//get_sem_count(stream->card->buffer_ready_sem, &count);
834 	//if (count <= 0)
835 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
836 }
837 
838 static void
839 auvia_record_inth(void* inthparams)
840 {
841 	auvia_stream *stream = (auvia_stream *)inthparams;
842 	//int32 count;
843 
844 	//TRACE(("auvia_record_inth\n"));
845 
846 	acquire_spinlock(&slock);
847 	stream->real_time = system_time();
848 	stream->frames_count += BUFFER_FRAMES;
849 	stream->buffer_cycle = (stream->trigblk
850 		+ stream->blkmod -1) % stream->blkmod;
851 	stream->update_needed = true;
852 	release_spinlock(&slock);
853 
854 	//get_sem_count(stream->card->buffer_ready_sem, &count);
855 	//if (count <= 0)
856 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
857 }
858 
859 static status_t
860 auvia_buffer_exchange(auvia_dev *card, multi_buffer_info *data)
861 {
862 	cpu_status status;
863 	auvia_stream *pstream, *rstream;
864 
865 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;
866 
867 	if (!(card->pstream->state & AUVIA_STATE_STARTED))
868 		auvia_stream_start(card->pstream, auvia_play_inth, card->pstream);
869 
870 	if (!(card->rstream->state & AUVIA_STATE_STARTED))
871 		auvia_stream_start(card->rstream, auvia_record_inth, card->rstream);
872 
873 	if(acquire_sem_etc(card->buffer_ready_sem, 1, B_RELATIVE_TIMEOUT | B_CAN_INTERRUPT, 50000)
874 		== B_TIMED_OUT) {
875 		LOG(("buffer_exchange timeout ff\n"));
876 	}
877 
878 	status = lock();
879 
880 	LIST_FOREACH(pstream, &card->streams, next) {
881 		if ((pstream->use & AUVIA_USE_PLAY) == 0 ||
882 			(pstream->state & AUVIA_STATE_STARTED) == 0)
883 			continue;
884 		if(pstream->update_needed)
885 			break;
886 	}
887 
888 	LIST_FOREACH(rstream, &card->streams, next) {
889 		if ((rstream->use & AUVIA_USE_RECORD) == 0 ||
890 			(rstream->state & AUVIA_STATE_STARTED) == 0)
891 			continue;
892 		if(rstream->update_needed)
893 			break;
894 	}
895 
896 	if(!pstream)
897 		pstream = card->pstream;
898 	if(!rstream)
899 		rstream = card->rstream;
900 
901 	/* do playback */
902 	data->playback_buffer_cycle = pstream->buffer_cycle;
903 	data->played_real_time = pstream->real_time;
904 	data->played_frames_count = pstream->frames_count;
905 	data->_reserved_0 = pstream->first_channel;
906 	pstream->update_needed = false;
907 
908 	/* do record */
909 	data->record_buffer_cycle = rstream->buffer_cycle;
910 	data->recorded_frames_count = rstream->frames_count;
911 	data->recorded_real_time = rstream->real_time;
912 	data->_reserved_1 = rstream->first_channel;
913 	rstream->update_needed = false;
914 	unlock(status);
915 
916 	//TRACE(("buffer_exchange ended\n"));
917 	return B_OK;
918 }
919 
920 static status_t
921 auvia_buffer_force_stop(auvia_dev *card)
922 {
923 	//auvia_voice_halt(card->pvoice);
924 	return B_OK;
925 }
926 
927 static status_t
928 auvia_multi_control(void *cookie, uint32 op, void *data, size_t length)
929 {
930 	auvia_dev *card = (auvia_dev *)cookie;
931 
932     switch (op) {
933 		case B_MULTI_GET_DESCRIPTION:
934 			LOG(("B_MULTI_GET_DESCRIPTION\n"));
935 			return auvia_get_description(card, (multi_description *)data);
936 		case B_MULTI_GET_EVENT_INFO:
937 			LOG(("B_MULTI_GET_EVENT_INFO\n"));
938 			return B_ERROR;
939 		case B_MULTI_SET_EVENT_INFO:
940 			LOG(("B_MULTI_SET_EVENT_INFO\n"));
941 			return B_ERROR;
942 		case B_MULTI_GET_EVENT:
943 			LOG(("B_MULTI_GET_EVENT\n"));
944 			return B_ERROR;
945 		case B_MULTI_GET_ENABLED_CHANNELS:
946 			LOG(("B_MULTI_GET_ENABLED_CHANNELS\n"));
947 			return auvia_get_enabled_channels(card, (multi_channel_enable *)data);
948 		case B_MULTI_SET_ENABLED_CHANNELS:
949 			LOG(("B_MULTI_SET_ENABLED_CHANNELS\n"));
950 			return auvia_set_enabled_channels(card, (multi_channel_enable *)data);
951 		case B_MULTI_GET_GLOBAL_FORMAT:
952 			LOG(("B_MULTI_GET_GLOBAL_FORMAT\n"));
953 			return auvia_get_global_format(card, (multi_format_info *)data);
954 		case B_MULTI_SET_GLOBAL_FORMAT:
955 			LOG(("B_MULTI_SET_GLOBAL_FORMAT\n"));
956 			return B_OK; /* XXX BUG! we *MUST* return B_OK, returning B_ERROR will prevent
957 						  * BeOS to accept the format returned in B_MULTI_GET_GLOBAL_FORMAT
958 						  */
959 		case B_MULTI_GET_CHANNEL_FORMATS:
960 			LOG(("B_MULTI_GET_CHANNEL_FORMATS\n"));
961 			return B_ERROR;
962 		case B_MULTI_SET_CHANNEL_FORMATS:	/* only implemented if possible */
963 			LOG(("B_MULTI_SET_CHANNEL_FORMATS\n"));
964 			return B_ERROR;
965 		case B_MULTI_GET_MIX:
966 			LOG(("B_MULTI_GET_MIX\n"));
967 			return auvia_get_mix(card, (multi_mix_value_info *)data);
968 		case B_MULTI_SET_MIX:
969 			LOG(("B_MULTI_SET_MIX\n"));
970 			return auvia_set_mix(card, (multi_mix_value_info *)data);
971 		case B_MULTI_LIST_MIX_CHANNELS:
972 			LOG(("B_MULTI_LIST_MIX_CHANNELS\n"));
973 			return auvia_list_mix_channels(card, (multi_mix_channel_info *)data);
974 		case B_MULTI_LIST_MIX_CONTROLS:
975 			LOG(("B_MULTI_LIST_MIX_CONTROLS\n"));
976 			return auvia_list_mix_controls(card, (multi_mix_control_info *)data);
977 		case B_MULTI_LIST_MIX_CONNECTIONS:
978 			LOG(("B_MULTI_LIST_MIX_CONNECTIONS\n"));
979 			return auvia_list_mix_connections(card, (multi_mix_connection_info *)data);
980 		case B_MULTI_GET_BUFFERS:			/* Fill out the struct for the first time; doesn't start anything. */
981 			LOG(("B_MULTI_GET_BUFFERS\n"));
982 			return auvia_get_buffers(card, data);
983 		case B_MULTI_SET_BUFFERS:			/* Set what buffers to use, if the driver supports soft buffers. */
984 			LOG(("B_MULTI_SET_BUFFERS\n"));
985 			return B_ERROR; /* we do not support soft buffers */
986 		case B_MULTI_SET_START_TIME:			/* When to actually start */
987 			LOG(("B_MULTI_SET_START_TIME\n"));
988 			return B_ERROR;
989 		case B_MULTI_BUFFER_EXCHANGE:		/* stop and go are derived from this being called */
990 			//TRACE(("B_MULTI_BUFFER_EXCHANGE\n"));
991 			return auvia_buffer_exchange(card, (multi_buffer_info *)data);
992 		case B_MULTI_BUFFER_FORCE_STOP:		/* force stop of playback, nothing in data */
993 			LOG(("B_MULTI_BUFFER_FORCE_STOP\n"));
994 			return auvia_buffer_force_stop(card);
995 	}
996 	LOG(("ERROR: unknown multi_control %#x\n",op));
997 	return B_ERROR;
998 }
999 
1000 static status_t auvia_open(const char *name, uint32 flags, void** cookie);
1001 static status_t auvia_close(void* cookie);
1002 static status_t auvia_free(void* cookie);
1003 static status_t auvia_control(void* cookie, uint32 op, void* arg, size_t len);
1004 static status_t auvia_read(void* cookie, off_t position, void *buf, size_t* num_bytes);
1005 static status_t auvia_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes);
1006 
1007 device_hooks multi_hooks = {
1008 	auvia_open, 			/* -> open entry point */
1009 	auvia_close, 			/* -> close entry point */
1010 	auvia_free,			/* -> free cookie */
1011 	auvia_control, 		/* -> control entry point */
1012 	auvia_read,			/* -> read entry point */
1013 	auvia_write,			/* -> write entry point */
1014 	NULL,					/* start select */
1015 	NULL,					/* stop select */
1016 	NULL,					/* scatter-gather read from the device */
1017 	NULL					/* scatter-gather write to the device */
1018 };
1019 
1020 static status_t
1021 auvia_open(const char *name, uint32 flags, void** cookie)
1022 {
1023 	auvia_dev *card = NULL;
1024 	int ix;
1025 
1026 	LOG(("open()\n"));
1027 
1028 	for (ix=0; ix<num_cards; ix++) {
1029 		if (!strcmp(cards[ix].name, name)) {
1030 			card = &cards[ix];
1031 		}
1032 	}
1033 
1034 	if(card == NULL) {
1035 		LOG(("open() card not found %s\n", name));
1036 		for (ix=0; ix<num_cards; ix++) {
1037 			LOG(("open() card available %s\n", cards[ix].name));
1038 		}
1039 		return B_ERROR;
1040 	}
1041 
1042 	LOG(("open() got card\n"));
1043 
1044 	if(card->pstream !=NULL)
1045 		return B_ERROR;
1046 	if(card->rstream !=NULL)
1047 		return B_ERROR;
1048 
1049 	*cookie = card;
1050 	card->multi.card = card;
1051 
1052 	LOG(("stream_new\n"));
1053 
1054 	card->rstream = auvia_stream_new(card, AUVIA_USE_RECORD, BUFFER_FRAMES, BUFFER_COUNT);
1055 	card->pstream = auvia_stream_new(card, AUVIA_USE_PLAY, BUFFER_FRAMES, BUFFER_COUNT);
1056 
1057 	card->buffer_ready_sem = create_sem(0, "pbuffer ready");
1058 
1059 	LOG(("stream_setaudio\n"));
1060 
1061 	auvia_stream_set_audioparms(card->pstream, 2, true, 48000);
1062 	auvia_stream_set_audioparms(card->rstream, 2, true, 48000);
1063 
1064 	card->pstream->first_channel = 0;
1065 	card->rstream->first_channel = 2;
1066 
1067 	auvia_stream_commit_parms(card->pstream);
1068 	auvia_stream_commit_parms(card->rstream);
1069 
1070 	auvia_create_channels_list(&card->multi);
1071 
1072 	return B_OK;
1073 }
1074 
1075 static status_t
1076 auvia_close(void* cookie)
1077 {
1078 	//auvia_dev *card = cookie;
1079 	LOG(("close()\n"));
1080 
1081 	return B_OK;
1082 }
1083 
1084 static status_t
1085 auvia_free(void* cookie)
1086 {
1087 	auvia_dev *card = cookie;
1088 	auvia_stream *stream;
1089 	LOG(("free()\n"));
1090 
1091 	if (card->buffer_ready_sem > B_OK)
1092 			delete_sem(card->buffer_ready_sem);
1093 
1094 	LIST_FOREACH(stream, &card->streams, next) {
1095 		auvia_stream_halt(stream);
1096 	}
1097 
1098 	while(!LIST_EMPTY(&card->streams)) {
1099 		auvia_stream_delete(LIST_FIRST(&card->streams));
1100 	}
1101 
1102 	return B_OK;
1103 }
1104 
1105 static status_t
1106 auvia_control(void* cookie, uint32 op, void* arg, size_t len)
1107 {
1108 	return auvia_multi_control(cookie, op, arg, len);
1109 }
1110 
1111 static status_t
1112 auvia_read(void* cookie, off_t position, void *buf, size_t* num_bytes)
1113 {
1114 	*num_bytes = 0;				/* tell caller nothing was read */
1115 	return B_IO_ERROR;
1116 }
1117 
1118 static status_t
1119 auvia_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes)
1120 {
1121 	*num_bytes = 0;				/* tell caller nothing was written */
1122 	return B_IO_ERROR;
1123 }
1124