xref: /haiku/src/add-ons/kernel/drivers/audio/ac97/auich/multi.c (revision 1acbe440b8dd798953bec31d18ee589aa3f71b73)
1 /*
2  * Auich BeOS Driver for Intel 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 <MediaDefs.h>
34 #include <strings.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 "auich.h"
43 #include "util.h"
44 #include "io.h"
45 
46 static void
47 auich_ac97_get_mix(void *card, const void *cookie, int32 type, float *values) {
48 	auich_dev *dev = (auich_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 = auich_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 = auich_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 = auich_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 = auich_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 auich_ac97_set_mix(void *card, const void *cookie, int32 type, float *values) {
106 	auich_dev *dev = (auich_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 = auich_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 			auich_codec_write(&dev->config, info->reg, value);
142 			break;
143 		case B_MIX_MUTE:
144 			mask = ((1 << 1) - 1) << 15;
145 			value = auich_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 			auich_codec_write(&dev->config, info->reg, value);
156 			break;
157 		case B_MIX_MICBOOST:
158 			mask = ((1 << 1) - 1) << 6;
159 			value = auich_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 			auich_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 			auich_codec_write(&dev->config, AC97_RECORD_SELECT, value);
171 			break;
172 	}
173 
174 }
175 
176 static int32
177 auich_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 auich_create_controls_list(multi_dev *multi)
194 {
195 	uint32 	i = 0, index = 0, count, id, parent, parent2, parent3;
196 	const ac97_source_info *info;
197 
198 	parent = auich_create_group_control(multi, &index, 0, 0, "Record");
199 
200 	/* AC97 Record */
201 	info = &source_info[0];
202 	PRINT(("name : %s\n", info->name));
203 
204 	parent2 = auich_create_group_control(multi, &index, parent, 0, info->name);
205 
206 	if(info->type & B_MIX_GAIN) {
207 		if(info->type & B_MIX_MUTE) {
208 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
209 			multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
210 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
211 			multi->controls[index].mix_control.parent = parent2;
212 			multi->controls[index].mix_control.string = S_MUTE;
213 			multi->controls[index].cookie = info;
214 			multi->controls[index].type = B_MIX_MUTE;
215 			multi->controls[index].get = &auich_ac97_get_mix;
216 			multi->controls[index].set = &auich_ac97_set_mix;
217 			index++;
218 		}
219 
220 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
221 		multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
222 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
223 		multi->controls[index].mix_control.parent = parent2;
224 		strcpy(multi->controls[index].mix_control.name, info->name);
225 		multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
226 		multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
227 		multi->controls[index].mix_control.u.gain.granularity = info->granularity;
228 		multi->controls[index].cookie = info;
229 		multi->controls[index].type = B_MIX_GAIN;
230 		multi->controls[index].get = &auich_ac97_get_mix;
231 		multi->controls[index].set = &auich_ac97_set_mix;
232 		id = multi->controls[index].mix_control.id;
233 		index++;
234 
235 		if(info->type & B_MIX_STEREO) {
236 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
237 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
238 			multi->controls[index].mix_control.master = id;
239 			multi->controls[index].mix_control.parent = parent2;
240 			strcpy(multi->controls[index].mix_control.name, info->name);
241 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
242 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
243 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
244 			multi->controls[index].cookie = info;
245 			multi->controls[index].type = B_MIX_GAIN;
246 			multi->controls[index].get = &auich_ac97_get_mix;
247 			multi->controls[index].set = &auich_ac97_set_mix;
248 			index++;
249 		}
250 
251 		if(info->type & B_MIX_RECORDMUX) {
252 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
253 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX;
254 			multi->controls[index].mix_control.parent = parent2;
255 			strcpy(multi->controls[index].mix_control.name, "Record Mux");
256 			multi->controls[index].cookie = info;
257 			multi->controls[index].type = B_MIX_MUX;
258 			multi->controls[index].get = &auich_ac97_get_mix;
259 			multi->controls[index].set = &auich_ac97_set_mix;
260 			parent3 = multi->controls[index].mix_control.id;
261 			index++;
262 
263 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
264 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
265 			multi->controls[index].mix_control.parent = parent3;
266 			multi->controls[index].mix_control.string = S_MIC;
267 			index++;
268 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
269 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
270 			multi->controls[index].mix_control.parent = parent3;
271 			strcpy(multi->controls[index].mix_control.name, "CD In");
272 			index++;
273 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
274 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
275 			multi->controls[index].mix_control.parent = parent3;
276 			strcpy(multi->controls[index].mix_control.name, "Video In");
277 			index++;
278 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
279 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
280 			multi->controls[index].mix_control.parent = parent3;
281 			strcpy(multi->controls[index].mix_control.name, "Aux In");
282 			index++;
283 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
284 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
285 			multi->controls[index].mix_control.parent = parent3;
286 			strcpy(multi->controls[index].mix_control.name, "Line In");
287 			index++;
288 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
289 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
290 			multi->controls[index].mix_control.parent = parent3;
291 			multi->controls[index].mix_control.string = S_STEREO_MIX;
292 			index++;
293 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
294 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
295 			multi->controls[index].mix_control.parent = parent3;
296 			multi->controls[index].mix_control.string = S_MONO_MIX;
297 			index++;
298 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
299 			multi->controls[index].mix_control.flags = B_MULTI_MIX_MUX_VALUE;
300 			multi->controls[index].mix_control.parent = parent3;
301 			strcpy(multi->controls[index].mix_control.name, "TAD");
302 			index++;
303 		}
304 	}
305 
306 	parent = auich_create_group_control(multi, &index, 0, 0, "AC97 Mixer");
307 
308 	count = source_info_size;
309 	count--;
310 
311 	for(i=1; i < count ; i++) {
312 		info = &source_info[i];
313 		PRINT(("name : %s\n", info->name));
314 
315 		parent2 = auich_create_group_control(multi, &index, parent, 0, info->name);
316 
317 		if(info->type & B_MIX_GAIN) {
318 			if(info->type & B_MIX_MUTE) {
319 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
320 				multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
321 				multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
322 				multi->controls[index].mix_control.parent = parent2;
323 				multi->controls[index].mix_control.string = S_MUTE;
324 				multi->controls[index].cookie = info;
325 				multi->controls[index].type = B_MIX_MUTE;
326 				multi->controls[index].get = &auich_ac97_get_mix;
327 				multi->controls[index].set = &auich_ac97_set_mix;
328 				index++;
329 			}
330 
331 			multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
332 			multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
333 			multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
334 			multi->controls[index].mix_control.parent = parent2;
335 			strcpy(multi->controls[index].mix_control.name, info->name);
336 			multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
337 			multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
338 			multi->controls[index].mix_control.u.gain.granularity = info->granularity;
339 			multi->controls[index].cookie = info;
340 			multi->controls[index].type = B_MIX_GAIN;
341 			multi->controls[index].get = &auich_ac97_get_mix;
342 			multi->controls[index].set = &auich_ac97_set_mix;
343 			id = multi->controls[index].mix_control.id;
344 			index++;
345 
346 			if(info->type & B_MIX_STEREO) {
347 				multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
348 				multi->controls[index].mix_control.flags = B_MULTI_MIX_GAIN;
349 				multi->controls[index].mix_control.master = id;
350 				multi->controls[index].mix_control.parent = parent2;
351 				strcpy(multi->controls[index].mix_control.name, info->name);
352 				multi->controls[index].mix_control.u.gain.min_gain = info->min_gain;
353 				multi->controls[index].mix_control.u.gain.max_gain = info->max_gain;
354 				multi->controls[index].mix_control.u.gain.granularity = info->granularity;
355 				multi->controls[index].cookie = info;
356 				multi->controls[index].type = B_MIX_GAIN;
357 				multi->controls[index].get = &auich_ac97_get_mix;
358 				multi->controls[index].set = &auich_ac97_set_mix;
359 				index++;
360 			}
361 		}
362 	}
363 
364 	parent = auich_create_group_control(multi, &index, 0, S_SETUP, NULL);
365 
366 	/* AC97 20db Boost Mic */
367 	info = &source_info[6];
368 
369 	if(info->type & B_MIX_GAIN && info->type & B_MIX_MICBOOST) {
370 		multi->controls[index].mix_control.id = EMU_MULTI_CONTROL_FIRSTID + index;
371 		multi->controls[index].mix_control.flags = B_MULTI_MIX_ENABLE;
372 		multi->controls[index].mix_control.master = EMU_MULTI_CONTROL_MASTERID;
373 		multi->controls[index].mix_control.parent = parent;
374 		strcpy(multi->controls[index].mix_control.name, "Mic +20dB");
375 		multi->controls[index].cookie = info;
376 		multi->controls[index].type = B_MIX_MICBOOST;
377 		multi->controls[index].get = &auich_ac97_get_mix;
378 		multi->controls[index].set = &auich_ac97_set_mix;
379 		index++;
380 	}
381 
382 	multi->control_count = index;
383 	PRINT(("multi->control_count %lu\n", multi->control_count));
384 	return B_OK;
385 }
386 
387 static status_t
388 auich_get_mix(auich_dev *card, multi_mix_value_info * MMVI)
389 {
390 	int32 i, id;
391 	multi_mixer_control *control = NULL;
392 	for(i=0; i<MMVI->item_count; i++) {
393 		id = MMVI->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
394 		if(id < 0 || id >= card->multi.control_count) {
395 			PRINT(("auich_get_mix : invalid control id requested : %li\n", id));
396 			continue;
397 		}
398 		control = &card->multi.controls[id];
399 
400 		if(control->mix_control.flags & B_MULTI_MIX_GAIN) {
401 			if(control->get) {
402 				float values[2];
403 				control->get(card, control->cookie, control->type, values);
404 				if(control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
405 					MMVI->values[i].u.gain = values[0];
406 				else
407 					MMVI->values[i].u.gain = values[1];
408 			}
409 		}
410 
411 		if(control->mix_control.flags & B_MULTI_MIX_ENABLE && control->get) {
412 			float values[1];
413 			control->get(card, control->cookie, control->type, values);
414 			MMVI->values[i].u.enable = (values[0] == 1.0);
415 		}
416 
417 		if(control->mix_control.flags & B_MULTI_MIX_MUX && control->get) {
418 			float values[1];
419 			control->get(card, control->cookie, control->type, values);
420 			MMVI->values[i].u.mux = (int32)values[0];
421 		}
422 	}
423 	return B_OK;
424 }
425 
426 static status_t
427 auich_set_mix(auich_dev *card, multi_mix_value_info * MMVI)
428 {
429 	int32 i, id;
430 	multi_mixer_control *control = NULL;
431 	for(i=0; i<MMVI->item_count; i++) {
432 		id = MMVI->values[i].id - EMU_MULTI_CONTROL_FIRSTID;
433 		if(id < 0 || id >= card->multi.control_count) {
434 			PRINT(("auich_set_mix : invalid control id requested : %li\n", id));
435 			continue;
436 		}
437 		control = &card->multi.controls[id];
438 
439 		if(control->mix_control.flags & B_MULTI_MIX_GAIN) {
440 			multi_mixer_control *control2 = NULL;
441 			if(i+1<MMVI->item_count) {
442 				id = MMVI->values[i + 1].id - EMU_MULTI_CONTROL_FIRSTID;
443 				if(id < 0 || id >= card->multi.control_count) {
444 					PRINT(("auich_set_mix : invalid control id requested : %li\n", id));
445 				} else {
446 					control2 = &card->multi.controls[id];
447 					if(control2->mix_control.master != control->mix_control.id)
448 						control2 = NULL;
449 				}
450 			}
451 
452 			if(control->set) {
453 				float values[2];
454 				values[0] = 0.0;
455 				values[1] = 0.0;
456 
457 				if(control->mix_control.master == EMU_MULTI_CONTROL_MASTERID)
458 					values[0] = MMVI->values[i].u.gain;
459 				else
460 					values[1] = MMVI->values[i].u.gain;
461 
462 				if(control2 && control2->mix_control.master != EMU_MULTI_CONTROL_MASTERID)
463 					values[1] = MMVI->values[i+1].u.gain;
464 
465 				control->set(card, control->cookie, control->type, values);
466 			}
467 
468 			if(control2)
469 				i++;
470 		}
471 
472 		if(control->mix_control.flags & B_MULTI_MIX_ENABLE && control->set) {
473 			float values[1];
474 
475 			values[0] = MMVI->values[i].u.enable ? 1.0 : 0.0;
476 			control->set(card, control->cookie, control->type, values);
477 		}
478 
479 		if(control->mix_control.flags & B_MULTI_MIX_MUX && control->set) {
480 			float values[1];
481 
482 			values[0] = (float)MMVI->values[i].u.mux;
483 			control->set(card, control->cookie, control->type, values);
484 		}
485 	}
486 	return B_OK;
487 }
488 
489 static status_t
490 auich_list_mix_controls(auich_dev *card, multi_mix_control_info * MMCI)
491 {
492 	multi_mix_control	*MMC;
493 	int32 i;
494 
495 	MMC = MMCI->controls;
496 	if(MMCI->control_count < 24)
497 		return B_ERROR;
498 
499 	if(auich_create_controls_list(&card->multi) < B_OK)
500 		return B_ERROR;
501 	for(i=0; i<card->multi.control_count; i++) {
502 		MMC[i] = card->multi.controls[i].mix_control;
503 	}
504 
505 	MMCI->control_count = card->multi.control_count;
506 	return B_OK;
507 }
508 
509 static status_t
510 auich_list_mix_connections(auich_dev *card, multi_mix_connection_info * data)
511 {
512 	return B_ERROR;
513 }
514 
515 static status_t
516 auich_list_mix_channels(auich_dev *card, multi_mix_channel_info *data)
517 {
518 	return B_ERROR;
519 }
520 
521 /*multi_channel_info chans[] = {
522 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
523 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
524 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
525 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
526 {  4, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
527 {  5, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
528 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
529 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
530 {  8, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
531 {  9, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
532 {  10, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
533 {  11, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
534 };*/
535 
536 /*multi_channel_info chans[] = {
537 {  0, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
538 {  1, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
539 {  2, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_SURROUND_BUS, 0 },
540 {  3, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_SURROUND_BUS, 0 },
541 {  4, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARLEFT | B_CHANNEL_SURROUND_BUS, 0 },
542 {  5, B_MULTI_OUTPUT_CHANNEL, 	B_CHANNEL_REARRIGHT | B_CHANNEL_SURROUND_BUS, 0 },
543 {  6, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
544 {  7, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
545 {  8, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
546 {  9, B_MULTI_INPUT_CHANNEL, 	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
547 {  10, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
548 {  11, B_MULTI_OUTPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
549 {  12, B_MULTI_INPUT_BUS, 		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 	B_CHANNEL_MINI_JACK_STEREO },
550 {  13, B_MULTI_INPUT_BUS, 		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, B_CHANNEL_MINI_JACK_STEREO },
551 };*/
552 
553 
554 static void
555 auich_create_channels_list(multi_dev *multi)
556 {
557 	auich_stream *stream;
558 	uint32 index, i, mode, designations;
559 	multi_channel_info *chans;
560 	uint32 chan_designations[] = {
561 		B_CHANNEL_LEFT,
562 		B_CHANNEL_RIGHT,
563 		B_CHANNEL_REARLEFT,
564 		B_CHANNEL_REARRIGHT,
565 		B_CHANNEL_CENTER,
566 		B_CHANNEL_SUB
567 	};
568 
569 	chans = multi->chans;
570 	index = 0;
571 
572 	for(mode=AUICH_USE_PLAY; mode!=-1;
573 		mode = (mode == AUICH_USE_PLAY) ? AUICH_USE_RECORD : -1) {
574 		LIST_FOREACH(stream, &((auich_dev*)multi->card)->streams, next) {
575 			if ((stream->use & mode) == 0)
576 				continue;
577 
578 			if(stream->channels == 2)
579 				designations = B_CHANNEL_STEREO_BUS;
580 			else
581 				designations = B_CHANNEL_SURROUND_BUS;
582 
583 			for(i=0; i<stream->channels; i++) {
584 				chans[index].channel_id = index;
585 				chans[index].kind = (mode == AUICH_USE_PLAY) ? B_MULTI_OUTPUT_CHANNEL : B_MULTI_INPUT_CHANNEL;
586 				chans[index].designations = designations | chan_designations[i];
587 				chans[index].connectors = 0;
588 				index++;
589 			}
590 		}
591 
592 		if(mode==AUICH_USE_PLAY) {
593 			multi->output_channel_count = index;
594 		} else {
595 			multi->input_channel_count = index - multi->output_channel_count;
596 		}
597 	}
598 
599 	chans[index].channel_id = index;
600 	chans[index].kind = B_MULTI_OUTPUT_BUS;
601 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
602 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
603 	index++;
604 
605 	chans[index].channel_id = index;
606 	chans[index].kind = B_MULTI_OUTPUT_BUS;
607 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
608 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
609 	index++;
610 
611 	multi->output_bus_channel_count = index - multi->output_channel_count
612 		- multi->input_channel_count;
613 
614 	chans[index].channel_id = index;
615 	chans[index].kind = B_MULTI_INPUT_BUS;
616 	chans[index].designations = B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS;
617 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
618 	index++;
619 
620 	chans[index].channel_id = index;
621 	chans[index].kind = B_MULTI_INPUT_BUS;
622 	chans[index].designations = B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS;
623 	chans[index].connectors = B_CHANNEL_MINI_JACK_STEREO;
624 	index++;
625 
626 	multi->input_bus_channel_count = index - multi->output_channel_count
627 		- multi->input_channel_count - multi->output_bus_channel_count;
628 
629 	multi->aux_bus_channel_count = 0;
630 }
631 
632 
633 static status_t
634 auich_get_description(auich_dev *card, multi_description *data)
635 {
636 	uint32 size;
637 
638 	data->interface_version = B_CURRENT_INTERFACE_VERSION;
639 	data->interface_minimum = B_CURRENT_INTERFACE_VERSION;
640 
641 	switch(card->info.vendor_id) {
642 		case INTEL_VENDOR_ID:
643 			strncpy(data->friendly_name, FRIENDLY_NAME_ICH, 32);
644 		break;
645 		case SIS_VENDOR_ID:
646 			strncpy(data->friendly_name, FRIENDLY_NAME_SIS, 32);
647 		break;
648 		case NVIDIA_VENDOR_ID:
649 			strncpy(data->friendly_name, FRIENDLY_NAME_NVIDIA, 32);
650 		break;
651 		case AMD_VENDOR_ID:
652 			strncpy(data->friendly_name, FRIENDLY_NAME_AMD, 32);
653 		break;
654 	}
655 
656 	strcpy(data->vendor_info, AUTHOR);
657 
658 	/*data->output_channel_count = 6;
659 	data->input_channel_count = 4;
660 	data->output_bus_channel_count = 2;
661 	data->input_bus_channel_count = 2;
662 	data->aux_bus_channel_count = 0;*/
663 
664 	data->output_channel_count = card->multi.output_channel_count;
665 	data->input_channel_count = card->multi.input_channel_count;
666 	data->output_bus_channel_count = card->multi.output_bus_channel_count;
667 	data->input_bus_channel_count = card->multi.input_bus_channel_count;
668 	data->aux_bus_channel_count = card->multi.aux_bus_channel_count;
669 
670 	size = card->multi.output_channel_count + card->multi.input_channel_count
671 			+ card->multi.output_bus_channel_count + card->multi.input_bus_channel_count
672 			+ card->multi.aux_bus_channel_count;
673 
674 	// for each channel, starting with the first output channel,
675 	// then the second, third..., followed by the first input
676 	// channel, second, third, ..., followed by output bus
677 	// channels and input bus channels and finally auxillary channels,
678 
679 	LOG(("request_channel_count = %d\n",data->request_channel_count));
680 	if (data->request_channel_count >= size) {
681 		LOG(("copying data\n"));
682 		memcpy(data->channels, card->multi.chans, size * sizeof(card->multi.chans[0]));
683 	}
684 
685 	data->output_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
686 	data->input_rates = B_SR_48000;// | B_SR_44100 | B_SR_CVSR;
687 	/*data->output_rates = B_SR_44100;
688 	data->input_rates = B_SR_44100;*/
689 	data->min_cvsr_rate = 0;
690 	data->max_cvsr_rate = 48000;
691 	//data->max_cvsr_rate = 44100;
692 
693 	data->output_formats = B_FMT_16BIT;
694 	data->input_formats = B_FMT_16BIT;
695 	data->lock_sources = B_MULTI_LOCK_INTERNAL;
696 	data->timecode_sources = 0;
697 	data->interface_flags = B_MULTI_INTERFACE_PLAYBACK | B_MULTI_INTERFACE_RECORD;
698 	data->start_latency = 3000;
699 
700 	strcpy(data->control_panel,"");
701 
702 	return B_OK;
703 }
704 
705 static status_t
706 auich_get_enabled_channels(auich_dev *card, multi_channel_enable *data)
707 {
708 	B_SET_CHANNEL(data->enable_bits, 0, true);
709 	B_SET_CHANNEL(data->enable_bits, 1, true);
710 	B_SET_CHANNEL(data->enable_bits, 2, true);
711 	B_SET_CHANNEL(data->enable_bits, 3, true);
712 	data->lock_source = B_MULTI_LOCK_INTERNAL;
713 /*
714 	uint32			lock_source;
715 	int32			lock_data;
716 	uint32			timecode_source;
717 	uint32 *		connectors;
718 */
719 	return B_OK;
720 }
721 
722 static status_t
723 auich_set_enabled_channels(auich_dev *card, multi_channel_enable *data)
724 {
725 	PRINT(("set_enabled_channels 0 : %s\n", B_TEST_CHANNEL(data->enable_bits, 0) ? "enabled": "disabled"));
726 	PRINT(("set_enabled_channels 1 : %s\n", B_TEST_CHANNEL(data->enable_bits, 1) ? "enabled": "disabled"));
727 	PRINT(("set_enabled_channels 2 : %s\n", B_TEST_CHANNEL(data->enable_bits, 2) ? "enabled": "disabled"));
728 	PRINT(("set_enabled_channels 3 : %s\n", B_TEST_CHANNEL(data->enable_bits, 3) ? "enabled": "disabled"));
729 	return B_OK;
730 }
731 
732 static status_t
733 auich_get_global_format(auich_dev *card, multi_format_info *data)
734 {
735 	data->output_latency = 0;
736 	data->input_latency = 0;
737 	data->timecode_kind = 0;
738 	data->input.rate = B_SR_48000;
739 	data->input.cvsr = 48000;
740 	data->input.format = B_FMT_16BIT;
741 	data->output.rate = B_SR_48000;
742 	data->output.cvsr = 48000;
743 	data->output.format = B_FMT_16BIT;
744 	/*data->input.rate = B_SR_44100;
745 	data->input.cvsr = 44100;
746 	data->input.format = B_FMT_16BIT;
747 	data->output.rate = B_SR_44100;
748 	data->output.cvsr = 44100;
749 	data->output.format = B_FMT_16BIT;*/
750 	return B_OK;
751 }
752 
753 static status_t
754 auich_get_buffers(auich_dev *card, multi_buffer_list *data)
755 {
756 	uint8 i, j, pchannels, rchannels, bufcount;
757 
758 	LOG(("flags = %#x\n",data->flags));
759 	LOG(("request_playback_buffers = %#x\n",data->request_playback_buffers));
760 	LOG(("request_playback_channels = %#x\n",data->request_playback_channels));
761 	LOG(("request_playback_buffer_size = %#x\n",data->request_playback_buffer_size));
762 	LOG(("request_record_buffers = %#x\n",data->request_record_buffers));
763 	LOG(("request_record_channels = %#x\n",data->request_record_channels));
764 	LOG(("request_record_buffer_size = %#x\n",data->request_record_buffer_size));
765 
766 	pchannels = card->pstream->channels;
767 	rchannels = card->rstream->channels;
768 
769 	if (data->request_playback_buffers < current_settings.buffer_count ||
770 		data->request_playback_channels < (pchannels) ||
771 		data->request_record_buffers < current_settings.buffer_count ||
772 		data->request_record_channels < (rchannels)) {
773 		LOG(("not enough channels/buffers\n"));
774 	}
775 
776 	ASSERT(current_settings.buffer_count == 2);
777 
778 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD; // XXX ???
779 //	data->flags = 0;
780 
781 	data->return_playback_buffers = current_settings.buffer_count;	/* playback_buffers[b][] */
782 	data->return_playback_channels = pchannels;		/* playback_buffers[][c] */
783 	data->return_playback_buffer_size = current_settings.buffer_frames;		/* frames */
784 
785 	bufcount = current_settings.buffer_count;
786 	if(bufcount > data->request_playback_buffers)
787 		bufcount = data->request_playback_buffers;
788 
789 	for(i=0; i<bufcount; i++)
790 		for(j=0; j<pchannels; j++)
791 			auich_stream_get_nth_buffer(card->pstream, j, i,
792 				&data->playback_buffers[i][j].base,
793 				&data->playback_buffers[i][j].stride);
794 
795 	data->return_record_buffers = current_settings.buffer_count;
796 	data->return_record_channels = rchannels;
797 	data->return_record_buffer_size = current_settings.buffer_frames;	/* frames */
798 
799 	bufcount = current_settings.buffer_count;
800 	if(bufcount > data->request_record_buffers)
801 		bufcount = data->request_record_buffers;
802 
803 	for(i=0; i<bufcount; i++)
804 		for(j=0; j<rchannels; j++)
805 			auich_stream_get_nth_buffer(card->rstream, j, i,
806 				&data->record_buffers[i][j].base,
807 				&data->record_buffers[i][j].stride);
808 
809 	return B_OK;
810 }
811 
812 
813 static void
814 auich_play_inth(void* inthparams)
815 {
816 	auich_stream *stream = (auich_stream *)inthparams;
817 	//int32 count;
818 
819 	acquire_spinlock(&slock);
820 	stream->real_time = system_time();
821 	stream->frames_count += current_settings.buffer_frames;
822 	stream->buffer_cycle = (stream->trigblk
823 		+ stream->blkmod - 1) % stream->blkmod;
824 	stream->update_needed = true;
825 	release_spinlock(&slock);
826 
827 	TRACE(("auich_play_inth : cycle : %d\n", stream->buffer_cycle));
828 
829 	//get_sem_count(stream->card->buffer_ready_sem, &count);
830 	//if (count <= 0)
831 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
832 }
833 
834 static void
835 auich_record_inth(void* inthparams)
836 {
837 	auich_stream *stream = (auich_stream *)inthparams;
838 	//int32 count;
839 
840 	acquire_spinlock(&slock);
841 	stream->real_time = system_time();
842 	stream->frames_count += current_settings.buffer_frames;
843 	stream->buffer_cycle = (stream->trigblk
844 		+ stream->blkmod - 1) % stream->blkmod;
845 	stream->update_needed = true;
846 	release_spinlock(&slock);
847 
848 	TRACE(("auich_record_inth : cycle : %d\n", stream->buffer_cycle));
849 
850 	//get_sem_count(stream->card->buffer_ready_sem, &count);
851 	//if (count <= 0)
852 		release_sem_etc(stream->card->buffer_ready_sem, 1, B_DO_NOT_RESCHEDULE);
853 }
854 
855 static status_t
856 auich_buffer_exchange(auich_dev *card, multi_buffer_info *data)
857 {
858 	cpu_status status;
859 	auich_stream *pstream, *rstream;
860 
861 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;
862 
863 	if (!(card->pstream->state & AUICH_STATE_STARTED))
864 		auich_stream_start(card->pstream, auich_play_inth, card->pstream);
865 
866 	if (!(card->rstream->state & AUICH_STATE_STARTED))
867 		auich_stream_start(card->rstream, auich_record_inth, card->rstream);
868 
869 	if(acquire_sem_etc(card->buffer_ready_sem, 1, B_RELATIVE_TIMEOUT | B_CAN_INTERRUPT, 50000)
870 		== B_TIMED_OUT) {
871 		LOG(("buffer_exchange timeout ff\n"));
872 	}
873 
874 	status = lock();
875 
876 	LIST_FOREACH(pstream, &card->streams, next) {
877 		if ((pstream->use & AUICH_USE_PLAY) == 0 ||
878 			(pstream->state & AUICH_STATE_STARTED) == 0)
879 			continue;
880 		if(pstream->update_needed)
881 			break;
882 	}
883 
884 	LIST_FOREACH(rstream, &card->streams, next) {
885 		if ((rstream->use & AUICH_USE_RECORD) == 0 ||
886 			(rstream->state & AUICH_STATE_STARTED) == 0)
887 			continue;
888 		if(rstream->update_needed)
889 			break;
890 	}
891 
892 	if(!pstream)
893 		pstream = card->pstream;
894 	if(!rstream)
895 		rstream = card->rstream;
896 
897 	/* do playback */
898 	data->playback_buffer_cycle = pstream->buffer_cycle;
899 	data->played_real_time = pstream->real_time;
900 	data->played_frames_count = pstream->frames_count;
901 	data->_reserved_0 = pstream->first_channel;
902 	pstream->update_needed = false;
903 
904 	/* do record */
905 	data->record_buffer_cycle = rstream->buffer_cycle;
906 	data->recorded_frames_count = rstream->frames_count;
907 	data->recorded_real_time = rstream->real_time;
908 	data->_reserved_1 = rstream->first_channel;
909 	rstream->update_needed = false;
910 	unlock(status);
911 
912 	//TRACE(("buffer_exchange ended\n"));
913 	return B_OK;
914 }
915 
916 static status_t
917 auich_buffer_force_stop(auich_dev *card)
918 {
919 	//auich_voice_halt(card->pvoice);
920 	return B_OK;
921 }
922 
923 static status_t
924 auich_multi_control(void *cookie, uint32 op, void *data, size_t length)
925 {
926 	auich_dev *card = (auich_dev *)cookie;
927 
928     switch (op) {
929 		case B_MULTI_GET_DESCRIPTION:
930 			LOG(("B_MULTI_GET_DESCRIPTION\n"));
931 			return auich_get_description(card, (multi_description *)data);
932 		case B_MULTI_GET_EVENT_INFO:
933 			LOG(("B_MULTI_GET_EVENT_INFO\n"));
934 			return B_ERROR;
935 		case B_MULTI_SET_EVENT_INFO:
936 			LOG(("B_MULTI_SET_EVENT_INFO\n"));
937 			return B_ERROR;
938 		case B_MULTI_GET_EVENT:
939 			LOG(("B_MULTI_GET_EVENT\n"));
940 			return B_ERROR;
941 		case B_MULTI_GET_ENABLED_CHANNELS:
942 			LOG(("B_MULTI_GET_ENABLED_CHANNELS\n"));
943 			return auich_get_enabled_channels(card, (multi_channel_enable *)data);
944 		case B_MULTI_SET_ENABLED_CHANNELS:
945 			LOG(("B_MULTI_SET_ENABLED_CHANNELS\n"));
946 			return auich_set_enabled_channels(card, (multi_channel_enable *)data);
947 		case B_MULTI_GET_GLOBAL_FORMAT:
948 			LOG(("B_MULTI_GET_GLOBAL_FORMAT\n"));
949 			return auich_get_global_format(card, (multi_format_info *)data);
950 		case B_MULTI_SET_GLOBAL_FORMAT:
951 			LOG(("B_MULTI_SET_GLOBAL_FORMAT\n"));
952 			return B_OK; /* XXX BUG! we *MUST* return B_OK, returning B_ERROR will prevent
953 						  * BeOS to accept the format returned in B_MULTI_GET_GLOBAL_FORMAT
954 						  */
955 		case B_MULTI_GET_CHANNEL_FORMATS:
956 			LOG(("B_MULTI_GET_CHANNEL_FORMATS\n"));
957 			return B_ERROR;
958 		case B_MULTI_SET_CHANNEL_FORMATS:	/* only implemented if possible */
959 			LOG(("B_MULTI_SET_CHANNEL_FORMATS\n"));
960 			return B_ERROR;
961 		case B_MULTI_GET_MIX:
962 			LOG(("B_MULTI_GET_MIX\n"));
963 			return auich_get_mix(card, (multi_mix_value_info *)data);
964 		case B_MULTI_SET_MIX:
965 			LOG(("B_MULTI_SET_MIX\n"));
966 			return auich_set_mix(card, (multi_mix_value_info *)data);
967 		case B_MULTI_LIST_MIX_CHANNELS:
968 			LOG(("B_MULTI_LIST_MIX_CHANNELS\n"));
969 			return auich_list_mix_channels(card, (multi_mix_channel_info *)data);
970 		case B_MULTI_LIST_MIX_CONTROLS:
971 			LOG(("B_MULTI_LIST_MIX_CONTROLS\n"));
972 			return auich_list_mix_controls(card, (multi_mix_control_info *)data);
973 		case B_MULTI_LIST_MIX_CONNECTIONS:
974 			LOG(("B_MULTI_LIST_MIX_CONNECTIONS\n"));
975 			return auich_list_mix_connections(card, (multi_mix_connection_info *)data);
976 		case B_MULTI_GET_BUFFERS:			/* Fill out the struct for the first time; doesn't start anything. */
977 			LOG(("B_MULTI_GET_BUFFERS\n"));
978 			return auich_get_buffers(card, data);
979 		case B_MULTI_SET_BUFFERS:			/* Set what buffers to use, if the driver supports soft buffers. */
980 			LOG(("B_MULTI_SET_BUFFERS\n"));
981 			return B_ERROR; /* we do not support soft buffers */
982 		case B_MULTI_SET_START_TIME:			/* When to actually start */
983 			LOG(("B_MULTI_SET_START_TIME\n"));
984 			return B_ERROR;
985 		case B_MULTI_BUFFER_EXCHANGE:		/* stop and go are derived from this being called */
986 			//TRACE(("B_MULTI_BUFFER_EXCHANGE\n"));
987 			return auich_buffer_exchange(card, (multi_buffer_info *)data);
988 		case B_MULTI_BUFFER_FORCE_STOP:		/* force stop of playback, nothing in data */
989 			LOG(("B_MULTI_BUFFER_FORCE_STOP\n"));
990 			return auich_buffer_force_stop(card);
991 	}
992 	LOG(("ERROR: unknown multi_control %#x\n",op));
993 	return B_ERROR;
994 }
995 
996 static status_t auich_open(const char *name, uint32 flags, void** cookie);
997 static status_t auich_close(void* cookie);
998 static status_t auich_free(void* cookie);
999 static status_t auich_control(void* cookie, uint32 op, void* arg, size_t len);
1000 static status_t auich_read(void* cookie, off_t position, void *buf, size_t* num_bytes);
1001 static status_t auich_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes);
1002 
1003 device_hooks multi_hooks = {
1004 	auich_open, 			/* -> open entry point */
1005 	auich_close, 			/* -> close entry point */
1006 	auich_free,			/* -> free cookie */
1007 	auich_control, 		/* -> control entry point */
1008 	auich_read,			/* -> read entry point */
1009 	auich_write,			/* -> write entry point */
1010 	NULL,					/* start select */
1011 	NULL,					/* stop select */
1012 	NULL,					/* scatter-gather read from the device */
1013 	NULL					/* scatter-gather write to the device */
1014 };
1015 
1016 static status_t
1017 auich_open(const char *name, uint32 flags, void** cookie)
1018 {
1019 	auich_dev *card = NULL;
1020 	int ix;
1021 
1022 	LOG(("open()\n"));
1023 
1024 	for (ix=0; ix<num_cards; ix++) {
1025 		if (!strcmp(cards[ix].name, name)) {
1026 			card = &cards[ix];
1027 		}
1028 	}
1029 
1030 	if(card == NULL) {
1031 		LOG(("open() card not found %s\n", name));
1032 		for (ix=0; ix<num_cards; ix++) {
1033 			LOG(("open() card available %s\n", cards[ix].name));
1034 		}
1035 		return B_ERROR;
1036 	}
1037 
1038 	LOG(("open() got card\n"));
1039 
1040 	if(card->pstream !=NULL)
1041 		return B_ERROR;
1042 	if(card->rstream !=NULL)
1043 		return B_ERROR;
1044 
1045 	*cookie = card;
1046 	card->multi.card = card;
1047 
1048 	LOG(("stream_new\n"));
1049 
1050 	card->rstream = auich_stream_new(card, AUICH_USE_RECORD, current_settings.buffer_frames, current_settings.buffer_count);
1051 	card->pstream = auich_stream_new(card, AUICH_USE_PLAY, current_settings.buffer_frames, current_settings.buffer_count);
1052 
1053 	card->buffer_ready_sem = create_sem(0, "pbuffer ready");
1054 
1055 	LOG(("stream_setaudio\n"));
1056 
1057 	auich_stream_set_audioparms(card->pstream, 2, true, current_settings.sample_rate);
1058 	auich_stream_set_audioparms(card->rstream, 2, true, current_settings.sample_rate);
1059 
1060 	card->pstream->first_channel = 0;
1061 	card->rstream->first_channel = 2;
1062 
1063 	auich_stream_commit_parms(card->pstream);
1064 	auich_stream_commit_parms(card->rstream);
1065 
1066 	auich_create_channels_list(&card->multi);
1067 
1068 	return B_OK;
1069 }
1070 
1071 static status_t
1072 auich_close(void* cookie)
1073 {
1074 	//auich_dev *card = cookie;
1075 	LOG(("close()\n"));
1076 
1077 	return B_OK;
1078 }
1079 
1080 static status_t
1081 auich_free(void* cookie)
1082 {
1083 	auich_dev *card = cookie;
1084 	auich_stream *stream;
1085 	LOG(("free()\n"));
1086 
1087 	if (card->buffer_ready_sem > B_OK)
1088 			delete_sem(card->buffer_ready_sem);
1089 
1090 	LIST_FOREACH(stream, &card->streams, next) {
1091 		auich_stream_halt(stream);
1092 	}
1093 
1094 	while(!LIST_EMPTY(&card->streams)) {
1095 		auich_stream_delete(LIST_FIRST(&card->streams));
1096 	}
1097 
1098 	return B_OK;
1099 }
1100 
1101 static status_t
1102 auich_control(void* cookie, uint32 op, void* arg, size_t len)
1103 {
1104 	return auich_multi_control(cookie, op, arg, len);
1105 }
1106 
1107 static status_t
1108 auich_read(void* cookie, off_t position, void *buf, size_t* num_bytes)
1109 {
1110 	*num_bytes = 0;				/* tell caller nothing was read */
1111 	return B_IO_ERROR;
1112 }
1113 
1114 static status_t
1115 auich_write(void* cookie, off_t position, const void* buffer, size_t* num_bytes)
1116 {
1117 	*num_bytes = 0;				/* tell caller nothing was written */
1118 	return B_IO_ERROR;
1119 }
1120 
1121