xref: /haiku/src/add-ons/kernel/drivers/audio/hda/hda_multi_audio.cpp (revision ed24eb5ff12640d052171c6a7feba37fab8a75d1)
1 /*
2  * Copyright 2007-2010, Haiku, Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Ithamar Adema, ithamar AT unet DOT nl
7  *		Axel Dörfler, axeld@pinc-software.de
8  */
9 
10 
11 #include <driver_settings.h>
12 
13 #include "hmulti_audio.h"
14 #include "driver.h"
15 
16 #include <kernel.h>
17 
18 
19 #ifdef TRACE
20 #	undef TRACE
21 #endif
22 
23 //#define TRACE_MULTI_AUDIO
24 #ifdef TRACE_MULTI_AUDIO
25 #	define TRACE(a...) dprintf("hda: " a)
26 #else
27 #	define TRACE(a...) ;
28 #endif
29 #define ERROR(a...)	dprintf("hda: " a)
30 
31 typedef enum {
32 	B_MIX_GAIN = 1 << 0,
33 	B_MIX_MUTE = 1 << 1,
34 	B_MIX_MUX_MIXER = 1 << 2,
35 	B_MIX_MUX_SELECTOR = 1 << 3
36 } mixer_type;
37 
38 
39 static multi_channel_info sChannels[] = {
40 	{  0, B_MULTI_OUTPUT_CHANNEL,	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
41 	{  1, B_MULTI_OUTPUT_CHANNEL,	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
42 	{  2, B_MULTI_INPUT_CHANNEL,	B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS, 0 },
43 	{  3, B_MULTI_INPUT_CHANNEL,	B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS, 0 },
44 	{  4, B_MULTI_OUTPUT_BUS,		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS,
45 			B_CHANNEL_MINI_JACK_STEREO },
46 	{  5, B_MULTI_OUTPUT_BUS,		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS,
47 			B_CHANNEL_MINI_JACK_STEREO },
48 	{  6, B_MULTI_INPUT_BUS,		B_CHANNEL_LEFT | B_CHANNEL_STEREO_BUS,
49 			B_CHANNEL_MINI_JACK_STEREO },
50 	{  7, B_MULTI_INPUT_BUS,		B_CHANNEL_RIGHT | B_CHANNEL_STEREO_BUS,
51 			B_CHANNEL_MINI_JACK_STEREO },
52 };
53 
54 
55 static int32
56 format2size(uint32 format)
57 {
58 	switch (format) {
59 		case B_FMT_8BIT_S:
60 		case B_FMT_16BIT:
61 			return 2;
62 
63 		case B_FMT_18BIT:
64 		case B_FMT_20BIT:
65 		case B_FMT_24BIT:
66 		case B_FMT_32BIT:
67 		case B_FMT_FLOAT:
68 			return 4;
69 
70 		default:
71 			return -1;
72 	}
73 }
74 
75 
76 #define HDA_SETTINGS "hda.settings"
77 
78 static struct {
79 	int32 play_buffer_frames;
80 	int32 play_buffer_count;
81 	int32 record_buffer_frames;
82 	int32 record_buffer_count;
83 } requested_settings;
84 
85 
86 void
87 get_settings_from_file()
88 {
89 	const char *item;
90 	char       *end;
91 	uint32      value;
92 
93 	memset(&requested_settings, 0, sizeof(requested_settings));
94 	dprintf("looking for settings file\n");
95 
96 	void *settings_handle = load_driver_settings(HDA_SETTINGS);
97 	if (settings_handle == NULL)
98 		return;
99 
100 	item = get_driver_parameter (settings_handle, "play_buffer_frames", NULL,
101 		NULL);
102 	if (item) {
103 		value = strtoul (item, &end, 0);
104 		if (*end == '\0')
105 			requested_settings.play_buffer_frames = value;
106 		}
107 
108 	item = get_driver_parameter (settings_handle, "play_buffer_count", NULL,
109 		NULL);
110 	if (item) {
111 		value = strtoul (item, &end, 0);
112 		if (*end == '\0')
113 			requested_settings.play_buffer_count = value;
114 	}
115 
116 	item = get_driver_parameter (settings_handle, "record_buffer_frames", NULL,
117 		NULL);
118 	if (item) {
119 		value = strtoul (item, &end, 0);
120 		if (*end == '\0')
121 			requested_settings.record_buffer_frames = value;
122 	}
123 
124 	item = get_driver_parameter (settings_handle, "record_buffer_count", NULL,
125 		NULL);
126 	if (item) {
127 		value = strtoul (item, &end, 0);
128 		if (*end == '\0')
129 			requested_settings.record_buffer_count = value;
130 	}
131 
132 	unload_driver_settings(settings_handle);
133 }
134 
135 
136 static status_t
137 get_description(hda_audio_group* audioGroup, multi_description* data)
138 {
139 	data->interface_version = B_CURRENT_INTERFACE_VERSION;
140 	data->interface_minimum = B_CURRENT_INTERFACE_VERSION;
141 
142 	strcpy(data->friendly_name, "HD Audio");
143 	strcpy(data->vendor_info, "Haiku");
144 
145 	int32 inChannels = 0;
146 	if (audioGroup->record_stream != NULL)
147 		inChannels = 2;
148 
149 	int32 outChannels = 0;
150 	if (audioGroup->playback_stream != NULL)
151 		outChannels = 2;
152 
153 	data->output_channel_count = outChannels;
154 	data->output_bus_channel_count = outChannels;
155 	data->input_channel_count = inChannels;
156 	data->input_bus_channel_count = inChannels;
157 	data->aux_bus_channel_count = 0;
158 
159 	TRACE("%s: request_channel_count: %" B_PRId32 "\n", __func__,
160 		data->request_channel_count);
161 
162 	if (data->request_channel_count >= (int)(sizeof(sChannels)
163 			/ sizeof(sChannels[0]))) {
164 		memcpy(data->channels, &sChannels, sizeof(sChannels));
165 	}
166 
167 	if (audioGroup->playback_stream != NULL) {
168 		data->output_rates = audioGroup->playback_stream->sample_rate;
169 		data->output_formats = audioGroup->playback_stream->sample_format;
170 	} else {
171 		data->output_rates = 0;
172 		data->output_formats = 0;
173 	}
174 
175 	if (audioGroup->record_stream != NULL) {
176 		data->input_rates = audioGroup->record_stream->sample_rate;
177 		data->input_formats = audioGroup->record_stream->sample_format;
178 	} else {
179 		data->input_rates = 0;
180 		data->input_formats = 0;
181 	}
182 
183 	// force existance of 48kHz if variable rates are not supported
184 	if (data->output_rates == 0)
185 		data->output_rates = B_SR_48000;
186 	if (data->input_rates == 0)
187 		data->input_rates = B_SR_48000;
188 
189 	data->max_cvsr_rate = 0;
190 	data->min_cvsr_rate = 0;
191 
192 	data->lock_sources = B_MULTI_LOCK_INTERNAL;
193 	data->timecode_sources = 0;
194 	data->interface_flags
195 		= B_MULTI_INTERFACE_PLAYBACK | B_MULTI_INTERFACE_RECORD;
196 	data->start_latency = 30000;
197 
198 	strcpy(data->control_panel, "");
199 
200 	return B_OK;
201 }
202 
203 
204 static status_t
205 get_enabled_channels(hda_audio_group* audioGroup, multi_channel_enable* data)
206 {
207 	data->lock_source = B_MULTI_LOCK_INTERNAL;
208 
209 	int32 inChannels = 0;
210 	if (audioGroup->record_stream != NULL)
211 		inChannels = 2;
212 
213 	int32 outChannels = 0;
214 	if (audioGroup->playback_stream != NULL)
215 		outChannels = 2;
216 
217 	uint32 enable_bits = 0;
218 	uint32 maxChannels = min_c(32, inChannels + outChannels);
219 	for (uint32 i = 0; i < maxChannels; i++)
220 		B_SET_CHANNEL(&enable_bits, i, true);
221 
222 	return B_OK;
223 }
224 
225 
226 static status_t
227 get_global_format(hda_audio_group* audioGroup, multi_format_info* data)
228 {
229 	data->output_latency = 0;
230 	data->input_latency = 0;
231 	data->timecode_kind = 0;
232 
233 	if (audioGroup->playback_stream != NULL) {
234 		data->output.format = audioGroup->playback_stream->sample_format;
235 		data->output.rate = audioGroup->playback_stream->sample_rate;
236 	} else {
237 		data->output.format = 0;
238 		data->output.rate = 0;
239 	}
240 
241 	if (audioGroup->record_stream != NULL) {
242 		data->input.format = audioGroup->record_stream->sample_format;
243 		data->input.rate = audioGroup->record_stream->sample_rate;
244 	} else {
245 		data->input.format = 0;
246 		data->input.rate = 0;
247 	}
248 
249 	return B_OK;
250 }
251 
252 
253 static status_t
254 set_global_format(hda_audio_group* audioGroup, multi_format_info* data)
255 {
256 	// TODO: it looks like we're not supposed to fail; fix this!
257 #if 0
258 	if ((data->output.format & audioGroup->supported_formats) == 0)
259 		|| (data->output.rate & audioGroup->supported_rates) == 0)
260 		return B_BAD_VALUE;
261 #endif
262 
263 	if (audioGroup->playback_stream != NULL) {
264 		audioGroup->playback_stream->sample_format = data->output.format;
265 		audioGroup->playback_stream->sample_rate = data->output.rate;
266 		audioGroup->playback_stream->sample_size = format2size(
267 			audioGroup->playback_stream->sample_format);
268 	}
269 
270 	if (audioGroup->record_stream != NULL) {
271 		audioGroup->record_stream->sample_rate = data->input.rate;
272 		audioGroup->record_stream->sample_format = data->input.format;
273 		audioGroup->record_stream->sample_size = format2size(
274 			audioGroup->record_stream->sample_format);
275 	}
276 
277 	return B_OK;
278 }
279 
280 
281 static enum strind_id
282 hda_find_multi_string(hda_widget& widget)
283 {
284 	switch (CONF_DEFAULT_DEVICE(widget.d.pin.config)) {
285 		case PIN_DEV_CD:
286 			return S_CD;
287 		case PIN_DEV_LINE_IN:
288 		case PIN_DEV_LINE_OUT:
289 			return S_LINE;
290 		case PIN_DEV_MIC_IN:
291 			return S_MIC;
292 		case PIN_DEV_AUX:
293 			return S_AUX;
294 		case PIN_DEV_SPDIF_IN:
295 		case PIN_DEV_SPDIF_OUT:
296 			return S_SPDIF;
297 		case PIN_DEV_HEAD_PHONE_OUT:
298 			return S_HEADPHONE;
299 	}
300 	ERROR("couln't find a string for widget %" B_PRIu32 " in "
301 		"hda_find_multi_string()\n", widget.node_id);
302 	return S_null;
303 }
304 
305 
306 static void
307 hda_find_multi_custom_string(hda_widget& widget, char* custom, uint32 size)
308 {
309 	const char* device = NULL;
310 	switch (CONF_DEFAULT_DEVICE(widget.d.pin.config)) {
311 		case PIN_DEV_LINE_IN:
312 			device = "Line in";
313 		case PIN_DEV_LINE_OUT:
314 			if (device == NULL)
315 				device = "Line out";
316 		case PIN_DEV_MIC_IN:
317 			if (device == NULL)
318 				device =  "Mic in";
319 			switch (CONF_DEFAULT_COLOR(widget.d.pin.config)) {
320 				case 1:
321 					device = "Rear";
322 					break;
323 				case 2:
324 					device = "Side";
325 					break;
326 				case 3:
327 					device = "Line in";
328 					break;
329 				case 4:
330 					device = "Front";
331 					break;
332 				case 6:
333 					device = "Center/Sub";
334 					break;
335 				case 9:
336 					device = "Mic in";
337 					break;
338 			}
339 			break;
340 		case PIN_DEV_SPDIF_IN:
341 			device = "SPDIF in";
342 			break;
343 		case PIN_DEV_SPDIF_OUT:
344 			device = "SPDIF out";
345 			break;
346 		case PIN_DEV_CD:
347 			device = "CD";
348 			break;
349 		case PIN_DEV_HEAD_PHONE_OUT:
350 			device = "Headphones";
351 			break;
352 		case PIN_DEV_SPEAKER:
353 			device = "Speaker";
354 			break;
355 	}
356 	if (device == NULL) {
357 		ERROR("couldn't find a string for widget %" B_PRIu32 " in "
358 			"hda_find_multi_custom_string()\n", widget.node_id);
359 	}
360 
361 	const char* location
362 		= get_widget_location(CONF_DEFAULT_LOCATION(widget.d.pin.config));
363 	snprintf(custom, size, "%s%s%s", location ? location : "",
364 		location ? " " : "", device);
365 }
366 
367 
368 static int32
369 hda_create_group_control(hda_multi *multi, uint32 *index, int32 parent,
370 	enum strind_id string, const char* name)
371 {
372 	uint32 i = *index;
373 	(*index)++;
374 	multi->controls[i].mix_control.id = MULTI_CONTROL_FIRSTID + i;
375 	multi->controls[i].mix_control.parent = parent;
376 	multi->controls[i].mix_control.flags = B_MULTI_MIX_GROUP;
377 	multi->controls[i].mix_control.master = MULTI_CONTROL_MASTERID;
378 	multi->controls[i].mix_control.string = string;
379 	if (name)
380 		strcpy(multi->controls[i].mix_control.name, name);
381 
382 	return multi->controls[i].mix_control.id;
383 }
384 
385 
386 static void
387 hda_create_channel_control(hda_multi* multi, uint32* index, int32 parent,
388 	int32 string, hda_widget& widget, bool input, uint32 capabilities,
389 	int32 inputIndex, bool& gain, bool& mute)
390 {
391 	uint32 i = *index, id;
392 	hda_multi_mixer_control control;
393 
394 	control.nid = widget.node_id;
395 	control.input = input;
396 	control.mute = 0;
397 	control.gain = 0;
398 	control.capabilities = capabilities;
399 	control.index = inputIndex;
400 	control.mix_control.master = MULTI_CONTROL_MASTERID;
401 	control.mix_control.parent = parent;
402 
403 	if (mute && (capabilities & AMP_CAP_MUTE) != 0) {
404 		control.mix_control.id = MULTI_CONTROL_FIRSTID + i;
405 		control.mix_control.flags = B_MULTI_MIX_ENABLE;
406 		control.mix_control.string = S_MUTE;
407 		control.type = B_MIX_MUTE;
408 		multi->controls[i++] = control;
409 		TRACE("control nid %" B_PRIu32 " mute\n", control.nid);
410 		mute = false;
411 	}
412 
413 	if (gain && AMP_CAP_NUM_STEPS(capabilities) >= 1) {
414 		control.mix_control.gain.granularity = AMP_CAP_STEP_SIZE(capabilities);
415 		control.mix_control.gain.min_gain = (0.0 - AMP_CAP_OFFSET(capabilities))
416 			* control.mix_control.gain.granularity;
417 		control.mix_control.gain.max_gain = (AMP_CAP_NUM_STEPS(capabilities)
418 				- AMP_CAP_OFFSET(capabilities))
419 			* control.mix_control.gain.granularity;
420 
421 		control.mix_control.id = MULTI_CONTROL_FIRSTID + i;
422 		control.mix_control.flags = B_MULTI_MIX_GAIN;
423 		control.mix_control.string = S_null;
424 		control.type = B_MIX_GAIN;
425 		strcpy(control.mix_control.name, "Gain");
426 		multi->controls[i++] = control;
427 		id = control.mix_control.id;
428 
429 		// second channel
430 		control.mix_control.id = MULTI_CONTROL_FIRSTID + i;
431 		control.mix_control.master = id;
432 		multi->controls[i++] = control;
433 		TRACE("control nid %" B_PRIu32 " %f min %f max %f\n", control.nid,
434 			control.mix_control.gain.granularity,
435 			control.mix_control.gain.min_gain,
436 			control.mix_control.gain.max_gain);
437 		gain = false;
438 	}
439 
440 	*index = i;
441 }
442 
443 
444 static void
445 hda_create_mux_control(hda_multi *multi, uint32 *index, int32 parent,
446 	hda_widget& widget)
447 {
448 	uint32 i = *index, parent2;
449 	hda_multi_mixer_control control;
450 	hda_audio_group *audioGroup = multi->group;
451 
452 	control.nid = widget.node_id;
453 	control.input = true;
454 	control.mute = 0;
455 	control.gain = 0;
456 	control.mix_control.master = MULTI_CONTROL_MASTERID;
457 	control.mix_control.parent = parent;
458 	control.mix_control.id = MULTI_CONTROL_FIRSTID + i;
459 	control.mix_control.flags = B_MULTI_MIX_MUX;
460 	control.mix_control.string = S_null;
461 	control.type = widget.type == WT_AUDIO_MIXER
462 		? B_MIX_MUX_MIXER : B_MIX_MUX_SELECTOR;
463 	multi->controls[i] = control;
464 	strcpy(multi->controls[i].mix_control.name, "");
465 	i++;
466 	parent2 = control.mix_control.id;
467 
468 	for (uint32 j = 0; j < widget.num_inputs; j++) {
469 		hda_widget *input =
470 			hda_audio_group_get_widget(audioGroup, widget.inputs[j]);
471 		if (input->type != WT_PIN_COMPLEX)
472 			continue;
473 		control.nid = widget.node_id;
474 		control.input = true;
475 		control.mix_control.id = MULTI_CONTROL_FIRSTID + i;
476 		control.mix_control.flags = B_MULTI_MIX_MUX_VALUE;
477 		control.mix_control.parent = parent2;
478 		control.mix_control.string = S_null;
479 		multi->controls[i] = control;
480 		hda_find_multi_custom_string(*input,
481 			multi->controls[i].mix_control.name,
482 			sizeof(multi->controls[i].mix_control.name));
483 		i++;
484 	}
485 
486 	*index = i;
487 }
488 
489 
490 static void
491 hda_create_control_for_complex(hda_multi* multi, uint32* index, uint32 parent,
492 	hda_widget& widget, bool& gain, bool& mute)
493 {
494 	hda_audio_group* audioGroup = multi->group;
495 
496 	switch (widget.type) {
497 		case WT_AUDIO_OUTPUT:
498 		case WT_AUDIO_MIXER:
499 		case WT_AUDIO_SELECTOR:
500 		case WT_PIN_COMPLEX:
501 			break;
502 		default:
503 			return;
504 	}
505 
506 	if ((widget.flags & WIDGET_FLAG_WIDGET_PATH) != 0)
507 		return;
508 
509 	TRACE("  create widget nid %" B_PRIu32 "\n", widget.node_id);
510 	hda_create_channel_control(multi, index, parent, 0,
511 		widget, false, widget.capabilities.output_amplifier, 0, gain, mute);
512 
513 	if (!gain && !mute) {
514 		widget.flags |= WIDGET_FLAG_WIDGET_PATH;
515 		return;
516 	}
517 
518 	if (widget.type == WT_AUDIO_MIXER) {
519 		hda_create_channel_control(multi, index, parent, 0,
520 			widget, true, widget.capabilities.input_amplifier, 0, gain, mute);
521 		if (!gain && !mute) {
522 			widget.flags |= WIDGET_FLAG_WIDGET_PATH;
523 			return;
524 		}
525 	}
526 
527 	if (widget.type != WT_AUDIO_OUTPUT && widget.num_inputs > 0) {
528 		hda_widget& child = *hda_audio_group_get_widget(audioGroup,
529 			widget.inputs[widget.active_input]);
530 		hda_create_control_for_complex(multi, index, parent, child, gain, mute);
531 	}
532 
533 	widget.flags |= WIDGET_FLAG_WIDGET_PATH;
534 }
535 
536 
537 static status_t
538 hda_create_controls_list(hda_multi* multi)
539 {
540 	uint32 index = 0;
541 	hda_audio_group* audioGroup = multi->group;
542 
543 	uint32 parent = hda_create_group_control(multi, &index, 0, S_OUTPUT, NULL);
544 	uint32 parent2;
545 
546 	for (uint32 i = 0; i < audioGroup->widget_count; i++) {
547 		hda_widget& complex = audioGroup->widgets[i];
548 		char name[48];
549 
550 		if (complex.type != WT_PIN_COMPLEX)
551 			continue;
552 		if (!PIN_CAP_IS_OUTPUT(complex.d.pin.capabilities))
553 			continue;
554 		if ((complex.flags & WIDGET_FLAG_OUTPUT_PATH) == 0)
555 			continue;
556 
557 		TRACE("create complex nid %" B_PRIu32 "\n", complex.node_id);
558 		hda_find_multi_custom_string(complex, name, sizeof(name));
559 		parent2 = hda_create_group_control(multi, &index, parent, S_null, name);
560 		bool gain = true, mute = true;
561 
562 		hda_create_control_for_complex(multi, &index, parent2, complex, gain,
563 			mute);
564 	}
565 
566 	for (uint32 i = 0; i < audioGroup->widget_count; i++) {
567 		hda_widget& widget = audioGroup->widgets[i];
568 
569 		if (widget.type != WT_AUDIO_MIXER)
570 			continue;
571 		if ((widget.flags & WIDGET_FLAG_WIDGET_PATH) != 0)
572 			continue;
573 
574 		TRACE("create widget nid %" B_PRIu32 "\n", widget.node_id);
575 
576 		if (AMP_CAP_NUM_STEPS(widget.capabilities.input_amplifier) >= 1) {
577 			for (uint32 j = 0; j < widget.num_inputs; j++) {
578 				hda_widget* complex = hda_audio_group_get_widget(audioGroup,
579 					widget.inputs[j]);
580 				char name[48];
581 				if (complex->type != WT_PIN_COMPLEX)
582 					continue;
583 				if (!PIN_CAP_IS_INPUT(complex->d.pin.capabilities))
584 					continue;
585 				if ((complex->flags & WIDGET_FLAG_OUTPUT_PATH) != 0)
586 					continue;
587 				TRACE("  create widget input nid %" B_PRIu32 "\n",
588 					widget.inputs[j]);
589 				hda_find_multi_custom_string(*complex, name, sizeof(name));
590 				parent2 = hda_create_group_control(multi, &index,
591 					parent, S_null, name);
592 				bool gain = true, mute = true;
593 				hda_create_channel_control(multi, &index, parent2, 0, widget,
594 					true, widget.capabilities.input_amplifier, j, gain, mute);
595 			}
596 		}
597 
598 		widget.flags |= WIDGET_FLAG_WIDGET_PATH;
599 	}
600 
601 	parent = hda_create_group_control(multi, &index, 0, S_INPUT, NULL);
602 
603 	for (uint32 i = 0; i < audioGroup->widget_count; i++) {
604 		hda_widget& widget = audioGroup->widgets[i];
605 
606 		if (widget.type != WT_AUDIO_INPUT)
607 			continue;
608 
609 		uint32 capabilities = widget.capabilities.input_amplifier;
610 		if (AMP_CAP_NUM_STEPS(capabilities) < 1)
611 			continue;
612 
613 		parent2 = hda_create_group_control(multi, &index,
614 			parent, hda_find_multi_string(widget), "Input");
615 		bool gain = true, mute = true;
616 		hda_create_channel_control(multi, &index, parent2, 0,
617 			widget, true, capabilities, 0, gain, mute);
618 
619 		if (widget.num_inputs > 1) {
620 			TRACE("  create mux for nid %" B_PRIu32 "\n", widget.node_id);
621 			hda_create_mux_control(multi, &index, parent2, widget);
622 			continue;
623 		}
624 
625 		hda_widget *mixer = hda_audio_group_get_widget(audioGroup,
626 			widget.inputs[0]);
627 		if (mixer->type != WT_AUDIO_MIXER && mixer->type != WT_AUDIO_SELECTOR)
628 			continue;
629 		TRACE("  create mixer nid %" B_PRIu32 "\n", mixer->node_id);
630 		hda_create_mux_control(multi, &index, parent2, *mixer);
631 	}
632 
633 	multi->control_count = index;
634 	TRACE("multi->control_count %" B_PRIu32 "\n", multi->control_count);
635 	return B_OK;
636 }
637 
638 
639 static status_t
640 list_mix_controls(hda_audio_group* audioGroup, multi_mix_control_info* mmci)
641 {
642 	multi_mix_control *mmc = mmci->controls;
643 	if (mmci->control_count < 24)
644 		return B_ERROR;
645 
646 	if (hda_create_controls_list(audioGroup->multi) < B_OK)
647 		return B_ERROR;
648 	for (uint32 i = 0; i < audioGroup->multi->control_count; i++) {
649 		mmc[i] = audioGroup->multi->controls[i].mix_control;
650 	}
651 
652 	mmci->control_count = audioGroup->multi->control_count;
653 	return B_OK;
654 }
655 
656 
657 static status_t
658 list_mix_connections(hda_audio_group* audioGroup,
659 	multi_mix_connection_info* data)
660 {
661 	data->actual_count = 0;
662 	return B_OK;
663 }
664 
665 
666 static status_t
667 list_mix_channels(hda_audio_group* audioGroup, multi_mix_channel_info *data)
668 {
669 	return B_OK;
670 }
671 
672 
673 static void
674 get_control_gain_mute(hda_audio_group* audioGroup,
675 	hda_multi_mixer_control *control, uint32 *resp)
676 {
677 	uint32 verb[2];
678 	verb[0] = MAKE_VERB(audioGroup->codec->addr,
679 		control->nid,
680 		VID_GET_AMPLIFIER_GAIN_MUTE,
681 		(control->input ? AMP_GET_INPUT : AMP_GET_OUTPUT)
682 		| AMP_GET_LEFT_CHANNEL | AMP_GET_INPUT_INDEX(control->index));
683 	verb[1] = MAKE_VERB(audioGroup->codec->addr,
684 		control->nid,
685 		VID_GET_AMPLIFIER_GAIN_MUTE,
686 		(control->input ? AMP_GET_INPUT : AMP_GET_OUTPUT)
687 		| AMP_GET_RIGHT_CHANNEL | AMP_GET_INPUT_INDEX(control->index));
688 	hda_send_verbs(audioGroup->codec, verb, resp, 2);
689 }
690 
691 
692 static status_t
693 get_mix(hda_audio_group* audioGroup, multi_mix_value_info * mmvi)
694 {
695 	int32 id;
696 	hda_multi_mixer_control *control = NULL;
697 	for (int32 i = 0; i < mmvi->item_count; i++) {
698 		id = mmvi->values[i].id - MULTI_CONTROL_FIRSTID;
699 		if (id < 0 || id >= (int32)audioGroup->multi->control_count) {
700 			dprintf("hda: get_mix : invalid control id requested : %" B_PRId32
701 				"\n", id);
702 			continue;
703 		}
704 		control = &audioGroup->multi->controls[id];
705 
706 		if ((control->mix_control.flags
707 				& (B_MULTI_MIX_GAIN | B_MULTI_MIX_ENABLE)) != 0) {
708 			uint32 resp[2];
709 			get_control_gain_mute(audioGroup, control, resp);
710 			if ((control->mix_control.flags & B_MULTI_MIX_ENABLE) != 0) {
711 				mmvi->values[i].enable = (resp[0] & AMP_MUTE) != 0;
712 				TRACE("get_mix: %" B_PRId32 " mute: %d\n", control->nid,
713 					mmvi->values[i].enable);
714 			} else if ((control->mix_control.flags & B_MULTI_MIX_GAIN) != 0) {
715 				uint32 value;
716 				if (control->mix_control.master == MULTI_CONTROL_MASTERID)
717 					value = resp[0] & AMP_GAIN_MASK;
718 				else
719 					value = resp[1] & AMP_GAIN_MASK;
720 				mmvi->values[i].gain = (0.0 + value - AMP_CAP_OFFSET(control->capabilities))
721 						* AMP_CAP_STEP_SIZE(control->capabilities);
722 				TRACE("get_mix: %" B_PRId32 " gain: %f (%" B_PRIu32 ")\n",
723 					control->nid, mmvi->values[i].gain, value);
724 			}
725 
726 		} else if ((control->mix_control.flags & B_MIX_MUX_MIXER) != 0) {
727 			hda_widget* mixer = hda_audio_group_get_widget(audioGroup,
728 				control->nid);
729 			mmvi->values[i].mux = 0;
730 			for (uint32 j = 0; j < mixer->num_inputs; j++) {
731 				uint32 verb = MAKE_VERB(audioGroup->codec->addr,
732 					control->nid, VID_GET_AMPLIFIER_GAIN_MUTE, AMP_GET_INPUT
733 					| AMP_GET_LEFT_CHANNEL | AMP_GET_INPUT_INDEX(j));
734 				uint32 resp;
735 				if (hda_send_verbs(audioGroup->codec, &verb, &resp, 1) == B_OK) {
736 					TRACE("get_mix: %" B_PRId32 " mixer %" B_PRIu32
737 						" is %smute\n", control->nid,
738 						j, (resp & AMP_MUTE) != 0 ? "" : "un");
739 					if ((resp & AMP_MUTE) == 0) {
740 						mmvi->values[i].mux = j;
741 #ifndef TRACE_MULTI_AUDIO
742 						break;
743 #endif
744 					}
745 				}
746 			}
747 			TRACE("get_mix: %" B_PRId32 " mixer: %" B_PRIu32 "\n",
748 				control->nid, mmvi->values[i].mux);
749 		} else if ((control->mix_control.flags & B_MIX_MUX_SELECTOR) != 0) {
750 			uint32 verb = MAKE_VERB(audioGroup->codec->addr, control->nid,
751 				VID_GET_CONNECTION_SELECT, 0);
752 			uint32 resp;
753 			if (hda_send_verbs(audioGroup->codec, &verb, &resp, 1) == B_OK)
754 				mmvi->values[i].mux = resp & 0xff;
755 			TRACE("get_mix: %" B_PRId32 " selector: %" B_PRIu32 "\n",
756 				control->nid, mmvi->values[i].mux);
757 		}
758 	}
759 	return B_OK;
760 }
761 
762 
763 static status_t
764 set_mix(hda_audio_group* audioGroup, multi_mix_value_info * mmvi)
765 {
766 	int32 id;
767 	hda_multi_mixer_control *control = NULL;
768 	for (int32 i = 0; i < mmvi->item_count; i++) {
769 		id = mmvi->values[i].id - MULTI_CONTROL_FIRSTID;
770 		if (id < 0 || id >= (int32)audioGroup->multi->control_count) {
771 			dprintf("set_mix : invalid control id requested : %" B_PRId32 "\n",
772 				id);
773 			continue;
774 		}
775 		control = &audioGroup->multi->controls[id];
776 
777 		if ((control->mix_control.flags & B_MULTI_MIX_ENABLE) != 0) {
778 			control->mute = (mmvi->values[i].enable ? AMP_MUTE : 0);
779 			TRACE("set_mix: %" B_PRId32 " mute: %" B_PRIx32 "\n", control->nid,
780 				control->mute);
781 			uint32 resp[2];
782 			get_control_gain_mute(audioGroup, control, resp);
783 
784 			uint32 verb[2];
785 			verb[0] = MAKE_VERB(audioGroup->codec->addr,
786 				control->nid,
787 				VID_SET_AMPLIFIER_GAIN_MUTE,
788 				(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
789 				| AMP_SET_LEFT_CHANNEL
790 				| AMP_SET_INPUT_INDEX(control->index)
791 				| control->mute
792 				| (resp[0] & AMP_GAIN_MASK));
793 			TRACE("set_mix: sending verb to %" B_PRId32 ": %" B_PRIx32 " %"
794 				B_PRIx32 " %x %lx\n", control->nid,
795 				control->mute, resp[0] & AMP_GAIN_MASK, control->input,
796 				(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
797 				| AMP_SET_LEFT_CHANNEL
798 				| AMP_SET_INPUT_INDEX(control->index)
799 				| control->mute
800 				| (resp[0] & AMP_GAIN_MASK));
801 			verb[1] = MAKE_VERB(audioGroup->codec->addr,
802 				control->nid,
803 				VID_SET_AMPLIFIER_GAIN_MUTE,
804 				(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
805 				| AMP_SET_RIGHT_CHANNEL
806 				| AMP_SET_INPUT_INDEX(control->index)
807 				| control->mute
808 				| (resp[1] & AMP_GAIN_MASK));
809 			TRACE("set_mix: ctrl2 sending verb to %" B_PRId32 ": %" B_PRIx32
810 				" %" B_PRIx32 " %x\n", control->nid, control->mute,
811 				resp[1] & AMP_GAIN_MASK, control->input);
812 			hda_send_verbs(audioGroup->codec, verb, NULL, 2);
813 		} else if ((control->mix_control.flags & B_MULTI_MIX_GAIN) != 0) {
814 			hda_multi_mixer_control *control2 = NULL;
815 			if (i+1<mmvi->item_count) {
816 				id = mmvi->values[i + 1].id - MULTI_CONTROL_FIRSTID;
817 				if (id < 0 || id >= (int32)audioGroup->multi->control_count) {
818 					dprintf("set_mix : invalid control id requested : %"
819 						B_PRId32 "\n", id);
820 				} else {
821 					control2 = &audioGroup->multi->controls[id];
822 					if (control2->mix_control.master != control->mix_control.id)
823 						control2 = NULL;
824 				}
825 			}
826 
827 			if (control->mix_control.master == MULTI_CONTROL_MASTERID) {
828 				control->gain = (uint32)(mmvi->values[i].gain
829 					/ AMP_CAP_STEP_SIZE(control->capabilities)
830 					+ AMP_CAP_OFFSET(control->capabilities));
831 			}
832 
833 			if (control2
834 				&& control2->mix_control.master != MULTI_CONTROL_MASTERID) {
835 				control2->gain = (uint32)(mmvi->values[i+1].gain
836 					/ AMP_CAP_STEP_SIZE(control2->capabilities)
837 					+ AMP_CAP_OFFSET(control2->capabilities));
838 			}
839 			TRACE("set_mix: %" B_PRId32 " gain: %" B_PRIx32 " and %" B_PRId32
840 				" gain: %" B_PRIx32 "\n", control->nid, control->gain,
841 				control2->nid, control2->gain);
842 			uint32 resp[2];
843 			get_control_gain_mute(audioGroup, control, resp);
844 			control->mute = resp[0] & AMP_MUTE;
845 			if (control2)
846 				control2->mute = resp[1] & AMP_MUTE;
847 
848 			uint32 verb[2];
849 			verb[0] = MAKE_VERB(audioGroup->codec->addr,
850 				control->nid,
851 				VID_SET_AMPLIFIER_GAIN_MUTE,
852 				(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
853 				| AMP_SET_LEFT_CHANNEL
854 				| AMP_SET_INPUT_INDEX(control->index)
855 				| (control->mute & AMP_MUTE)
856 				| (control->gain & AMP_GAIN_MASK));
857 			TRACE("set_mix: sending verb to %" B_PRId32 ": %" B_PRIx32 " %"
858 				B_PRIx32 " %x %lx\n", control->nid,
859 				control->mute, control->gain, control->input,
860 				(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
861 				| AMP_SET_LEFT_CHANNEL
862 				| AMP_SET_INPUT_INDEX(control->index)
863 				| (control->mute & AMP_MUTE)
864 				| (control->gain & AMP_GAIN_MASK));
865 			if (control2) {
866 				verb[1] = MAKE_VERB(audioGroup->codec->addr,
867 					control2->nid,
868 					VID_SET_AMPLIFIER_GAIN_MUTE,
869 					(control->input ? AMP_SET_INPUT : AMP_SET_OUTPUT)
870 					| AMP_SET_RIGHT_CHANNEL
871 					| AMP_SET_INPUT_INDEX(control->index)
872 					| (control2->mute & AMP_MUTE)
873 					| (control2->gain & AMP_GAIN_MASK));
874 				TRACE("set_mix: ctrl2 sending verb to %" B_PRId32 ": %"
875 					B_PRIx32 " %" B_PRIx32 " %x\n", control2->nid,
876 					control2->mute, control2->gain, control2->input);
877 			}
878 			hda_send_verbs(audioGroup->codec, verb, NULL, control2 ? 2 : 1);
879 
880 			if (control2)
881 				i++;
882 		} else if ((control->mix_control.flags & B_MIX_MUX_MIXER) != 0) {
883 			TRACE("set_mix: %" B_PRId32 " mixer: %" B_PRIu32 "\n",
884 				control->nid, mmvi->values[i].mux);
885 			hda_widget *mixer = hda_audio_group_get_widget(audioGroup,
886 				control->nid);
887 			uint32 verb[mixer->num_inputs];
888 			for (uint32 j = 0; j < mixer->num_inputs; j++) {
889 				verb[j] = MAKE_VERB(audioGroup->codec->addr,
890 					control->nid, VID_SET_AMPLIFIER_GAIN_MUTE, AMP_SET_INPUT
891 					| AMP_SET_LEFT_CHANNEL | AMP_SET_RIGHT_CHANNEL
892 					| AMP_SET_INPUT_INDEX(j)
893 					| ((mmvi->values[i].mux == j) ? 0 : AMP_MUTE));
894 				TRACE("set_mix: %" B_PRId32 " mixer %smuting %" B_PRIu32 " (%"
895 					B_PRIu32 ")\n", control->nid,
896 					(mmvi->values[i].mux == j) ? "un" : "", j, verb[j]);
897 			}
898 			if (hda_send_verbs(audioGroup->codec, verb, NULL, mixer->num_inputs)
899 				!= B_OK)
900 				dprintf("hda: Setting mixer %" B_PRId32 " failed on widget %"
901 					B_PRIu32 "!\n", mmvi->values[i].mux, control->nid);
902 		} else if ((control->mix_control.flags & B_MIX_MUX_SELECTOR) != 0) {
903 			uint32 verb = MAKE_VERB(audioGroup->codec->addr, control->nid,
904 				VID_SET_CONNECTION_SELECT, mmvi->values[i].mux);
905 			if (hda_send_verbs(audioGroup->codec, &verb, NULL, 1) != B_OK) {
906 				dprintf("hda: Setting output selector %" B_PRId32 " failed on "
907 					"widget %" B_PRIu32 "!\n", mmvi->values[i].mux,
908 					control->nid);
909 			}
910 			TRACE("set_mix: %" B_PRId32 " selector: %" B_PRIu32 "\n",
911 				control->nid, mmvi->values[i].mux);
912 		}
913 	}
914 	return B_OK;
915 }
916 
917 
918 static uint32
919 default_buffer_length_for_rate(uint32 rate)
920 {
921 	// keep the latency about the same as 2048 frames per buffer at 44100 Hz
922 	switch (rate) {
923 	case B_SR_8000:
924 		return 512;
925 	case B_SR_11025:
926 		return 512;
927 	case B_SR_16000:
928 		return 1024;
929 	case B_SR_22050:
930 		return 1024;
931 	case B_SR_32000:
932 		return 2048;
933 	case B_SR_44100:
934 		return 2048;
935 	case B_SR_48000:
936 		return 2048;
937 	case B_SR_88200:
938 		return 4096;
939 	case B_SR_96000:
940 		return 6144;
941 	case B_SR_176400:
942 		return 8192;
943 	case B_SR_192000:
944 		return 10240;
945 	case B_SR_384000:
946 		return 16384;
947 	}
948 	return 2048;
949 };
950 
951 
952 static status_t
953 get_buffers(hda_audio_group* audioGroup, multi_buffer_list* data)
954 {
955 	if (requested_settings.play_buffer_frames != 0)
956 		data->request_playback_buffer_size = requested_settings.play_buffer_frames;
957 
958 	if (requested_settings.play_buffer_count != 0)
959 		data->request_playback_buffers = requested_settings.play_buffer_count;
960 
961 	if (requested_settings.record_buffer_frames != 0)
962 		data->request_record_buffer_size = requested_settings.record_buffer_frames;
963 
964 	if (requested_settings.record_buffer_count != 0)
965 		data->request_record_buffers = requested_settings.record_buffer_count;
966 
967 	TRACE("playback: %" B_PRId32 " buffers, %" B_PRId32 " channels, %" B_PRIu32
968 		" samples\n", data->request_playback_buffers,
969 		data->request_playback_channels, data->request_playback_buffer_size);
970 	TRACE("record: %" B_PRId32 " buffers, %" B_PRId32 " channels, %" B_PRIu32
971 		" samples\n", data->request_record_buffers,
972 		data->request_record_channels, data->request_record_buffer_size);
973 
974 	/* Determine what buffers we return given the request */
975 
976 	data->return_playback_buffers = data->request_playback_buffers;
977 	data->return_playback_channels = data->request_playback_channels;
978 	data->return_playback_buffer_size = data->request_playback_buffer_size;
979 	data->return_record_buffers = data->request_record_buffers;
980 	data->return_record_channels = data->request_record_channels;
981 	data->return_record_buffer_size = data->request_record_buffer_size;
982 
983 	/* Workaround for Haiku multi_audio API, since it prefers to let the
984 	   driver pick values, while the BeOS multi_audio actually gives the
985 	   user's defaults. */
986 	if (data->return_playback_buffers > STREAM_MAX_BUFFERS
987 		|| data->return_playback_buffers < STREAM_MIN_BUFFERS)
988 		data->return_playback_buffers = STREAM_MIN_BUFFERS;
989 
990 	if (data->return_record_buffers > STREAM_MAX_BUFFERS
991 		|| data->return_record_buffers < STREAM_MIN_BUFFERS)
992 		data->return_record_buffers = STREAM_MIN_BUFFERS;
993 
994 	if (data->return_playback_buffer_size == 0
995 		&& audioGroup->playback_stream != NULL) {
996 		data->return_playback_buffer_size = default_buffer_length_for_rate(
997 			audioGroup->playback_stream->sample_rate);
998 	}
999 
1000 	if (data->return_record_buffer_size == 0
1001 		&& audioGroup->record_stream != NULL) {
1002 		data->return_record_buffer_size = default_buffer_length_for_rate(
1003 				audioGroup->record_stream->sample_rate);
1004 	}
1005 
1006 	/* ... from here on, we can assume again that a reasonable request is
1007 	   being made */
1008 
1009 	data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;
1010 
1011 	/* Copy the settings into the streams */
1012 
1013 	if (audioGroup->playback_stream != NULL) {
1014 		audioGroup->playback_stream->num_buffers = data->return_playback_buffers;
1015 		audioGroup->playback_stream->num_channels = data->return_playback_channels;
1016 		audioGroup->playback_stream->buffer_length
1017 			= data->return_playback_buffer_size;
1018 
1019 		status_t status = hda_stream_setup_buffers(audioGroup,
1020 			audioGroup->playback_stream, "Playback");
1021 		if (status != B_OK) {
1022 			dprintf("hda: Error setting up playback buffers: %s\n",
1023 				strerror(status));
1024 			return status;
1025 		}
1026 	}
1027 
1028 	if (audioGroup->record_stream != NULL) {
1029 		audioGroup->record_stream->num_buffers = data->return_record_buffers;
1030 		audioGroup->record_stream->num_channels = data->return_record_channels;
1031 		audioGroup->record_stream->buffer_length
1032 			= data->return_record_buffer_size;
1033 
1034 		status_t status = hda_stream_setup_buffers(audioGroup,
1035 			audioGroup->record_stream, "Recording");
1036 		if (status != B_OK) {
1037 			dprintf("hda: Error setting up recording buffers: %s\n",
1038 				strerror(status));
1039 			return status;
1040 		}
1041 	}
1042 
1043 	/* Setup data structure for multi_audio API... */
1044 
1045 	if (audioGroup->playback_stream != NULL) {
1046 		uint32 playbackSampleSize = audioGroup->playback_stream->sample_size;
1047 
1048 		for (int32 i = 0; i < data->return_playback_buffers; i++) {
1049 			struct buffer_desc descs[data->return_playback_channels];
1050 			for (int32 channelIndex = 0;
1051 					channelIndex < data->return_playback_channels; channelIndex++) {
1052 				descs[channelIndex].base = (char*)audioGroup->playback_stream->buffers[i]
1053 					+ playbackSampleSize * channelIndex;
1054 				descs[channelIndex].stride = playbackSampleSize
1055 					* data->return_playback_channels;
1056 			}
1057 			if (!IS_USER_ADDRESS(data->playback_buffers[i])
1058 				|| user_memcpy(data->playback_buffers[i], descs, sizeof(descs))
1059 				< B_OK) {
1060 				return B_BAD_ADDRESS;
1061 			}
1062 		}
1063 	}
1064 
1065 	if (audioGroup->record_stream != NULL) {
1066 		uint32 recordSampleSize = audioGroup->record_stream->sample_size;
1067 
1068 		for (int32 i = 0; i < data->return_record_buffers; i++) {
1069 			struct buffer_desc descs[data->return_record_channels];
1070 			for (int32 channelIndex = 0;
1071 					channelIndex < data->return_record_channels; channelIndex++) {
1072 				descs[channelIndex].base = (char*)audioGroup->record_stream->buffers[i]
1073 					+ recordSampleSize * channelIndex;
1074 				descs[channelIndex].stride = recordSampleSize
1075 					* data->return_record_channels;
1076 			}
1077 			if (!IS_USER_ADDRESS(data->record_buffers[i])
1078 				|| user_memcpy(data->record_buffers[i], descs, sizeof(descs))
1079 				< B_OK) {
1080 				return B_BAD_ADDRESS;
1081 			}
1082 		}
1083 	}
1084 
1085 	return B_OK;
1086 }
1087 
1088 
1089 /*! playback_buffer_cycle is the buffer we want to have played */
1090 static status_t
1091 buffer_exchange(hda_audio_group* audioGroup, multi_buffer_info* data)
1092 {
1093 	cpu_status status;
1094 	status_t err;
1095 	multi_buffer_info buffer_info;
1096 
1097 	if (audioGroup->playback_stream == NULL)
1098 		return B_ERROR;
1099 
1100 	if (!audioGroup->playback_stream->running) {
1101 		hda_stream_start(audioGroup->codec->controller,
1102 			audioGroup->playback_stream);
1103 	}
1104 	if (audioGroup->record_stream && !audioGroup->record_stream->running) {
1105 		hda_stream_start(audioGroup->codec->controller,
1106 			audioGroup->record_stream);
1107 	}
1108 
1109 #ifdef __HAIKU__
1110 	if (user_memcpy(&buffer_info, data, sizeof(buffer_info)) < B_OK)
1111 		return B_BAD_ADDRESS;
1112 #else
1113 	memcpy(&buffer_info, data, sizeof(buffer_info));
1114 #endif
1115 
1116 	/* do playback */
1117 	err = acquire_sem_etc(audioGroup->codec->controller->buffer_ready_sem,
1118 		1, B_CAN_INTERRUPT, 0);
1119 	if (err != B_OK) {
1120 		ERROR("%s: Error waiting for playback buffer to finish (%s)!\n", __func__,
1121 			strerror(err));
1122 		return err;
1123 	}
1124 
1125 	status = disable_interrupts();
1126 	acquire_spinlock(&audioGroup->playback_stream->lock);
1127 
1128 	buffer_info.playback_buffer_cycle
1129 		= (audioGroup->playback_stream->buffer_cycle)
1130 			% audioGroup->playback_stream->num_buffers;
1131 	buffer_info.played_real_time = audioGroup->playback_stream->real_time;
1132 	buffer_info.played_frames_count = audioGroup->playback_stream->frames_count;
1133 
1134 	release_spinlock(&audioGroup->playback_stream->lock);
1135 
1136 	if (audioGroup->record_stream) {
1137 		acquire_spinlock(&audioGroup->record_stream->lock);
1138 		buffer_info.record_buffer_cycle
1139 			= (audioGroup->record_stream->buffer_cycle - 1)
1140 				% audioGroup->record_stream->num_buffers;
1141 		buffer_info.recorded_real_time = audioGroup->record_stream->real_time;
1142 		buffer_info.recorded_frames_count
1143 			= audioGroup->record_stream->frames_count;
1144 		release_spinlock(&audioGroup->record_stream->lock);
1145 	}
1146 
1147 	restore_interrupts(status);
1148 
1149 #ifdef __HAIKU__
1150 	if (user_memcpy(data, &buffer_info, sizeof(buffer_info)) < B_OK)
1151 		return B_BAD_ADDRESS;
1152 #else
1153 	memcpy(data, &buffer_info, sizeof(buffer_info));
1154 #endif
1155 
1156 #if 0
1157 	static int debugBuffersExchanged = 0;
1158 
1159 	debugBuffersExchanged++;
1160 	if ((debugBuffersExchanged % 100) == 1 && debugBuffersExchanged < 1111)
1161 		dprintf("%s: %d buffers processed\n", __func__, debugBuffersExchanged);
1162 #endif
1163 	return B_OK;
1164 }
1165 
1166 
1167 static status_t
1168 buffer_force_stop(hda_audio_group* audioGroup)
1169 {
1170 	if (audioGroup->playback_stream != NULL) {
1171 		hda_stream_stop(audioGroup->codec->controller,
1172 			audioGroup->playback_stream);
1173 	}
1174 	if (audioGroup->record_stream != NULL) {
1175 		hda_stream_stop(audioGroup->codec->controller,
1176 			audioGroup->record_stream);
1177 	}
1178 
1179 	return B_OK;
1180 }
1181 
1182 
1183 #define cookie_type hda_audio_group
1184 #include "../generic/multi.c"
1185 
1186 
1187 status_t
1188 multi_audio_control(void* cookie, uint32 op, void* arg, size_t len)
1189 {
1190 	hda_codec* codec = (hda_codec*)cookie;
1191 	hda_audio_group* audioGroup;
1192 
1193 	/* FIXME: We should simply pass the audioGroup into here... */
1194 	if (!codec || codec->num_audio_groups == 0)
1195 		return ENODEV;
1196 
1197 	audioGroup = codec->audio_groups[0];
1198 
1199 	return multi_audio_control_generic(audioGroup, op, arg, len);
1200 }
1201