xref: /linux/sound/pci/ctxfi/ctatc.c (revision 6e7fd890f1d6ac83805409e9c346240de2705584)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
4  *
5  * @File    ctatc.c
6  *
7  * @Brief
8  * This file contains the implementation of the device resource management
9  * object.
10  *
11  * @Author Liu Chun
12  * @Date Mar 28 2008
13  */
14 
15 #include "ctatc.h"
16 #include "ctpcm.h"
17 #include "ctmixer.h"
18 #include "ctsrc.h"
19 #include "ctamixer.h"
20 #include "ctdaio.h"
21 #include "cttimer.h"
22 #include <linux/delay.h>
23 #include <linux/slab.h>
24 #include <sound/pcm.h>
25 #include <sound/control.h>
26 #include <sound/asoundef.h>
27 
28 #define MONO_SUM_SCALE	0x19a8	/* 2^(-0.5) in 14-bit floating format */
29 #define MAX_MULTI_CHN	8
30 
31 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
32 			    | IEC958_AES0_CON_NOT_COPYRIGHT) \
33 			    | ((IEC958_AES1_CON_MIXER \
34 			    | IEC958_AES1_CON_ORIGINAL) << 8) \
35 			    | (0x10 << 16) \
36 			    | ((IEC958_AES3_CON_FS_48000) << 24))
37 
38 static const struct snd_pci_quirk subsys_20k1_list[] = {
39 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0021, "SB046x", CTSB046X),
40 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0022, "SB055x", CTSB055X),
41 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x002f, "SB055x", CTSB055X),
42 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0029, "SB073x", CTSB073X),
43 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, 0x0031, "SB073x", CTSB073X),
44 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000, 0x6000,
45 			   "UAA", CTUAA),
46 	{ } /* terminator */
47 };
48 
49 static const struct snd_pci_quirk subsys_20k2_list[] = {
50 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB0760,
51 		      "SB0760", CTSB0760),
52 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB1270,
53 		      "SB1270", CTSB1270),
54 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08801,
55 		      "SB0880", CTSB0880),
56 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08802,
57 		      "SB0880", CTSB0880),
58 	SND_PCI_QUIRK(PCI_VENDOR_ID_CREATIVE, PCI_SUBDEVICE_ID_CREATIVE_SB08803,
59 		      "SB0880", CTSB0880),
60 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_CREATIVE, 0xf000,
61 			   PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, "HENDRIX",
62 			   CTHENDRIX),
63 	{ } /* terminator */
64 };
65 
66 static const char *ct_subsys_name[NUM_CTCARDS] = {
67 	/* 20k1 models */
68 	[CTSB046X]	= "SB046x",
69 	[CTSB055X]	= "SB055x",
70 	[CTSB073X]	= "SB073x",
71 	[CTUAA]		= "UAA",
72 	[CT20K1_UNKNOWN] = "Unknown",
73 	/* 20k2 models */
74 	[CTSB0760]	= "SB076x",
75 	[CTHENDRIX]	= "Hendrix",
76 	[CTSB0880]	= "SB0880",
77 	[CTSB1270]      = "SB1270",
78 	[CT20K2_UNKNOWN] = "Unknown",
79 };
80 
81 static struct {
82 	int (*create)(struct ct_atc *atc,
83 			enum CTALSADEVS device, const char *device_name);
84 	int (*destroy)(void *alsa_dev);
85 	const char *public_name;
86 } alsa_dev_funcs[NUM_CTALSADEVS] = {
87 	[FRONT]		= { .create = ct_alsa_pcm_create,
88 			    .destroy = NULL,
89 			    .public_name = "Front/WaveIn"},
90 	[SURROUND]	= { .create = ct_alsa_pcm_create,
91 			    .destroy = NULL,
92 			    .public_name = "Surround"},
93 	[CLFE]		= { .create = ct_alsa_pcm_create,
94 			    .destroy = NULL,
95 			    .public_name = "Center/LFE"},
96 	[SIDE]		= { .create = ct_alsa_pcm_create,
97 			    .destroy = NULL,
98 			    .public_name = "Side"},
99 	[IEC958]	= { .create = ct_alsa_pcm_create,
100 			    .destroy = NULL,
101 			    .public_name = "IEC958 Non-audio"},
102 
103 	[MIXER]		= { .create = ct_alsa_mix_create,
104 			    .destroy = NULL,
105 			    .public_name = "Mixer"}
106 };
107 
108 static struct {
109 	int (*create)(struct hw *hw, void **rmgr);
110 	int (*destroy)(void *mgr);
111 } rsc_mgr_funcs[NUM_RSCTYP] = {
112 	[SRC] 		= { .create 	= src_mgr_create,
113 			    .destroy 	= src_mgr_destroy	},
114 	[SRCIMP] 	= { .create 	= srcimp_mgr_create,
115 			    .destroy 	= srcimp_mgr_destroy	},
116 	[AMIXER]	= { .create	= amixer_mgr_create,
117 			    .destroy	= amixer_mgr_destroy	},
118 	[SUM]		= { .create	= sum_mgr_create,
119 			    .destroy	= sum_mgr_destroy	},
120 	[DAIO]		= { .create	= daio_mgr_create,
121 			    .destroy	= daio_mgr_destroy	}
122 };
123 
124 static int
125 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
126 
127 /* *
128  * Only mono and interleaved modes are supported now.
129  * Always allocates a contiguous channel block.
130  * */
131 
132 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
133 {
134 	struct snd_pcm_runtime *runtime;
135 	struct ct_vm *vm;
136 
137 	if (!apcm->substream)
138 		return 0;
139 
140 	runtime = apcm->substream->runtime;
141 	vm = atc->vm;
142 
143 	apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
144 
145 	if (!apcm->vm_block)
146 		return -ENOENT;
147 
148 	return 0;
149 }
150 
151 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
152 {
153 	struct ct_vm *vm;
154 
155 	if (!apcm->vm_block)
156 		return;
157 
158 	vm = atc->vm;
159 
160 	vm->unmap(vm, apcm->vm_block);
161 
162 	apcm->vm_block = NULL;
163 }
164 
165 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
166 {
167 	return atc->vm->get_ptp_phys(atc->vm, index);
168 }
169 
170 static unsigned int convert_format(snd_pcm_format_t snd_format,
171 				   struct snd_card *card)
172 {
173 	switch (snd_format) {
174 	case SNDRV_PCM_FORMAT_U8:
175 		return SRC_SF_U8;
176 	case SNDRV_PCM_FORMAT_S16_LE:
177 		return SRC_SF_S16;
178 	case SNDRV_PCM_FORMAT_S24_3LE:
179 		return SRC_SF_S24;
180 	case SNDRV_PCM_FORMAT_S32_LE:
181 		return SRC_SF_S32;
182 	case SNDRV_PCM_FORMAT_FLOAT_LE:
183 		return SRC_SF_F32;
184 	default:
185 		dev_err(card->dev, "not recognized snd format is %d\n",
186 			snd_format);
187 		return SRC_SF_S16;
188 	}
189 }
190 
191 static unsigned int
192 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
193 {
194 	unsigned int pitch;
195 	int b;
196 
197 	/* get pitch and convert to fixed-point 8.24 format. */
198 	pitch = (input_rate / output_rate) << 24;
199 	input_rate %= output_rate;
200 	input_rate /= 100;
201 	output_rate /= 100;
202 	for (b = 31; ((b >= 0) && !(input_rate >> b)); )
203 		b--;
204 
205 	if (b >= 0) {
206 		input_rate <<= (31 - b);
207 		input_rate /= output_rate;
208 		b = 24 - (31 - b);
209 		if (b >= 0)
210 			input_rate <<= b;
211 		else
212 			input_rate >>= -b;
213 
214 		pitch |= input_rate;
215 	}
216 
217 	return pitch;
218 }
219 
220 static int select_rom(unsigned int pitch)
221 {
222 	if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
223 		/* 0.26 <= pitch <= 1.72 */
224 		return 1;
225 	} else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
226 		/* pitch == 1.8375 */
227 		return 2;
228 	} else if (pitch == 0x02000000) {
229 		/* pitch == 2 */
230 		return 3;
231 	} else if (pitch <= 0x08000000) {
232 		/* 0 <= pitch <= 8 */
233 		return 0;
234 	} else {
235 		return -ENOENT;
236 	}
237 }
238 
239 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
240 {
241 	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
242 	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
243 	struct src_desc desc = {0};
244 	struct amixer_desc mix_dsc = {0};
245 	struct src *src;
246 	struct amixer *amixer;
247 	int err;
248 	int n_amixer = apcm->substream->runtime->channels, i = 0;
249 	int device = apcm->substream->pcm->device;
250 	unsigned int pitch;
251 
252 	/* first release old resources */
253 	atc_pcm_release_resources(atc, apcm);
254 
255 	/* Get SRC resource */
256 	desc.multi = apcm->substream->runtime->channels;
257 	desc.msr = atc->msr;
258 	desc.mode = MEMRD;
259 	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
260 	if (err)
261 		goto error1;
262 
263 	pitch = atc_get_pitch(apcm->substream->runtime->rate,
264 						(atc->rsr * atc->msr));
265 	src = apcm->src;
266 	src->ops->set_pitch(src, pitch);
267 	src->ops->set_rom(src, select_rom(pitch));
268 	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
269 					     atc->card));
270 	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
271 
272 	/* Get AMIXER resource */
273 	n_amixer = (n_amixer < 2) ? 2 : n_amixer;
274 	apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
275 	if (!apcm->amixers) {
276 		err = -ENOMEM;
277 		goto error1;
278 	}
279 	mix_dsc.msr = atc->msr;
280 	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
281 		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
282 					(struct amixer **)&apcm->amixers[i]);
283 		if (err)
284 			goto error1;
285 
286 		apcm->n_amixer++;
287 	}
288 
289 	/* Set up device virtual mem map */
290 	err = ct_map_audio_buffer(atc, apcm);
291 	if (err < 0)
292 		goto error1;
293 
294 	/* Connect resources */
295 	src = apcm->src;
296 	for (i = 0; i < n_amixer; i++) {
297 		amixer = apcm->amixers[i];
298 		mutex_lock(&atc->atc_mutex);
299 		amixer->ops->setup(amixer, &src->rsc,
300 					INIT_VOL, atc->pcm[i+device*2]);
301 		mutex_unlock(&atc->atc_mutex);
302 		src = src->ops->next_interleave(src);
303 		if (!src)
304 			src = apcm->src;
305 	}
306 
307 	ct_timer_prepare(apcm->timer);
308 
309 	return 0;
310 
311 error1:
312 	atc_pcm_release_resources(atc, apcm);
313 	return err;
314 }
315 
316 static int
317 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
318 {
319 	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
320 	struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
321 	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
322 	struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
323 	struct srcimp *srcimp;
324 	int i;
325 
326 	if (apcm->srcimps) {
327 		for (i = 0; i < apcm->n_srcimp; i++) {
328 			srcimp = apcm->srcimps[i];
329 			srcimp->ops->unmap(srcimp);
330 			srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
331 			apcm->srcimps[i] = NULL;
332 		}
333 		kfree(apcm->srcimps);
334 		apcm->srcimps = NULL;
335 	}
336 
337 	if (apcm->srccs) {
338 		for (i = 0; i < apcm->n_srcc; i++) {
339 			src_mgr->put_src(src_mgr, apcm->srccs[i]);
340 			apcm->srccs[i] = NULL;
341 		}
342 		kfree(apcm->srccs);
343 		apcm->srccs = NULL;
344 	}
345 
346 	if (apcm->amixers) {
347 		for (i = 0; i < apcm->n_amixer; i++) {
348 			amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
349 			apcm->amixers[i] = NULL;
350 		}
351 		kfree(apcm->amixers);
352 		apcm->amixers = NULL;
353 	}
354 
355 	if (apcm->mono) {
356 		sum_mgr->put_sum(sum_mgr, apcm->mono);
357 		apcm->mono = NULL;
358 	}
359 
360 	if (apcm->src) {
361 		src_mgr->put_src(src_mgr, apcm->src);
362 		apcm->src = NULL;
363 	}
364 
365 	if (apcm->vm_block) {
366 		/* Undo device virtual mem map */
367 		ct_unmap_audio_buffer(atc, apcm);
368 		apcm->vm_block = NULL;
369 	}
370 
371 	return 0;
372 }
373 
374 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
375 {
376 	unsigned int max_cisz;
377 	struct src *src = apcm->src;
378 
379 	if (apcm->started)
380 		return 0;
381 	apcm->started = 1;
382 
383 	max_cisz = src->multi * src->rsc.msr;
384 	max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
385 
386 	src->ops->set_sa(src, apcm->vm_block->addr);
387 	src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
388 	src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
389 	src->ops->set_cisz(src, max_cisz);
390 
391 	src->ops->set_bm(src, 1);
392 	src->ops->set_state(src, SRC_STATE_INIT);
393 	src->ops->commit_write(src);
394 
395 	ct_timer_start(apcm->timer);
396 	return 0;
397 }
398 
399 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
400 {
401 	struct src *src;
402 	int i;
403 
404 	ct_timer_stop(apcm->timer);
405 
406 	src = apcm->src;
407 	src->ops->set_bm(src, 0);
408 	src->ops->set_state(src, SRC_STATE_OFF);
409 	src->ops->commit_write(src);
410 
411 	if (apcm->srccs) {
412 		for (i = 0; i < apcm->n_srcc; i++) {
413 			src = apcm->srccs[i];
414 			src->ops->set_bm(src, 0);
415 			src->ops->set_state(src, SRC_STATE_OFF);
416 			src->ops->commit_write(src);
417 		}
418 	}
419 
420 	apcm->started = 0;
421 
422 	return 0;
423 }
424 
425 static int
426 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
427 {
428 	struct src *src = apcm->src;
429 	u32 size, max_cisz;
430 	int position;
431 
432 	if (!src)
433 		return 0;
434 	position = src->ops->get_ca(src);
435 
436 	if (position < apcm->vm_block->addr) {
437 		dev_dbg(atc->card->dev,
438 			"bad ca - ca=0x%08x, vba=0x%08x, vbs=0x%08x\n",
439 			position, apcm->vm_block->addr, apcm->vm_block->size);
440 		position = apcm->vm_block->addr;
441 	}
442 
443 	size = apcm->vm_block->size;
444 	max_cisz = src->multi * src->rsc.msr;
445 	max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
446 
447 	return (position + size - max_cisz - apcm->vm_block->addr) % size;
448 }
449 
450 struct src_node_conf_t {
451 	unsigned int pitch;
452 	unsigned int msr:8;
453 	unsigned int mix_msr:8;
454 	unsigned int imp_msr:8;
455 	unsigned int vo:1;
456 };
457 
458 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
459 				struct src_node_conf_t *conf, int *n_srcc)
460 {
461 	unsigned int pitch;
462 
463 	/* get pitch and convert to fixed-point 8.24 format. */
464 	pitch = atc_get_pitch((atc->rsr * atc->msr),
465 				apcm->substream->runtime->rate);
466 	*n_srcc = 0;
467 
468 	if (1 == atc->msr) { /* FIXME: do we really need SRC here if pitch==1 */
469 		*n_srcc = apcm->substream->runtime->channels;
470 		conf[0].pitch = pitch;
471 		conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
472 		conf[0].vo = 1;
473 	} else if (2 <= atc->msr) {
474 		if (0x8000000 < pitch) {
475 			/* Need two-stage SRCs, SRCIMPs and
476 			 * AMIXERs for converting format */
477 			conf[0].pitch = (atc->msr << 24);
478 			conf[0].msr = conf[0].mix_msr = 1;
479 			conf[0].imp_msr = atc->msr;
480 			conf[0].vo = 0;
481 			conf[1].pitch = atc_get_pitch(atc->rsr,
482 					apcm->substream->runtime->rate);
483 			conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
484 			conf[1].vo = 1;
485 			*n_srcc = apcm->substream->runtime->channels * 2;
486 		} else if (0x1000000 < pitch) {
487 			/* Need one-stage SRCs, SRCIMPs and
488 			 * AMIXERs for converting format */
489 			conf[0].pitch = pitch;
490 			conf[0].msr = conf[0].mix_msr
491 				    = conf[0].imp_msr = atc->msr;
492 			conf[0].vo = 1;
493 			*n_srcc = apcm->substream->runtime->channels;
494 		}
495 	}
496 }
497 
498 static int
499 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
500 {
501 	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
502 	struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
503 	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
504 	struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
505 	struct src_desc src_dsc = {0};
506 	struct src *src;
507 	struct srcimp_desc srcimp_dsc = {0};
508 	struct srcimp *srcimp;
509 	struct amixer_desc mix_dsc = {0};
510 	struct sum_desc sum_dsc = {0};
511 	unsigned int pitch;
512 	int multi, err, i;
513 	int n_srcimp, n_amixer, n_srcc, n_sum;
514 	struct src_node_conf_t src_node_conf[2] = {{0} };
515 
516 	/* first release old resources */
517 	atc_pcm_release_resources(atc, apcm);
518 
519 	/* The numbers of converting SRCs and SRCIMPs should be determined
520 	 * by pitch value. */
521 
522 	multi = apcm->substream->runtime->channels;
523 
524 	/* get pitch and convert to fixed-point 8.24 format. */
525 	pitch = atc_get_pitch((atc->rsr * atc->msr),
526 				apcm->substream->runtime->rate);
527 
528 	setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
529 	n_sum = (1 == multi) ? 1 : 0;
530 	n_amixer = n_sum * 2 + n_srcc;
531 	n_srcimp = n_srcc;
532 	if ((multi > 1) && (0x8000000 >= pitch)) {
533 		/* Need extra AMIXERs and SRCIMPs for special treatment
534 		 * of interleaved recording of conjugate channels */
535 		n_amixer += multi * atc->msr;
536 		n_srcimp += multi * atc->msr;
537 	} else {
538 		n_srcimp += multi;
539 	}
540 
541 	if (n_srcc) {
542 		apcm->srccs = kcalloc(n_srcc, sizeof(void *), GFP_KERNEL);
543 		if (!apcm->srccs)
544 			return -ENOMEM;
545 	}
546 	if (n_amixer) {
547 		apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
548 		if (!apcm->amixers) {
549 			err = -ENOMEM;
550 			goto error1;
551 		}
552 	}
553 	apcm->srcimps = kcalloc(n_srcimp, sizeof(void *), GFP_KERNEL);
554 	if (!apcm->srcimps) {
555 		err = -ENOMEM;
556 		goto error1;
557 	}
558 
559 	/* Allocate SRCs for sample rate conversion if needed */
560 	src_dsc.multi = 1;
561 	src_dsc.mode = ARCRW;
562 	for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
563 		src_dsc.msr = src_node_conf[i/multi].msr;
564 		err = src_mgr->get_src(src_mgr, &src_dsc,
565 					(struct src **)&apcm->srccs[i]);
566 		if (err)
567 			goto error1;
568 
569 		src = apcm->srccs[i];
570 		pitch = src_node_conf[i/multi].pitch;
571 		src->ops->set_pitch(src, pitch);
572 		src->ops->set_rom(src, select_rom(pitch));
573 		src->ops->set_vo(src, src_node_conf[i/multi].vo);
574 
575 		apcm->n_srcc++;
576 	}
577 
578 	/* Allocate AMIXERs for routing SRCs of conversion if needed */
579 	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
580 		if (i < (n_sum*2))
581 			mix_dsc.msr = atc->msr;
582 		else if (i < (n_sum*2+n_srcc))
583 			mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
584 		else
585 			mix_dsc.msr = 1;
586 
587 		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
588 					(struct amixer **)&apcm->amixers[i]);
589 		if (err)
590 			goto error1;
591 
592 		apcm->n_amixer++;
593 	}
594 
595 	/* Allocate a SUM resource to mix all input channels together */
596 	sum_dsc.msr = atc->msr;
597 	err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
598 	if (err)
599 		goto error1;
600 
601 	pitch = atc_get_pitch((atc->rsr * atc->msr),
602 				apcm->substream->runtime->rate);
603 	/* Allocate SRCIMP resources */
604 	for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
605 		if (i < (n_srcc))
606 			srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
607 		else if (1 == multi)
608 			srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
609 		else
610 			srcimp_dsc.msr = 1;
611 
612 		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
613 		if (err)
614 			goto error1;
615 
616 		apcm->srcimps[i] = srcimp;
617 		apcm->n_srcimp++;
618 	}
619 
620 	/* Allocate a SRC for writing data to host memory */
621 	src_dsc.multi = apcm->substream->runtime->channels;
622 	src_dsc.msr = 1;
623 	src_dsc.mode = MEMWR;
624 	err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
625 	if (err)
626 		goto error1;
627 
628 	src = apcm->src;
629 	src->ops->set_pitch(src, pitch);
630 
631 	/* Set up device virtual mem map */
632 	err = ct_map_audio_buffer(atc, apcm);
633 	if (err < 0)
634 		goto error1;
635 
636 	return 0;
637 
638 error1:
639 	atc_pcm_release_resources(atc, apcm);
640 	return err;
641 }
642 
643 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
644 {
645 	struct src *src;
646 	struct amixer *amixer;
647 	struct srcimp *srcimp;
648 	struct ct_mixer *mixer = atc->mixer;
649 	struct sum *mono;
650 	struct rsc *out_ports[8] = {NULL};
651 	int err, i, j, n_sum, multi;
652 	unsigned int pitch;
653 	int mix_base = 0, imp_base = 0;
654 
655 	atc_pcm_release_resources(atc, apcm);
656 
657 	/* Get needed resources. */
658 	err = atc_pcm_capture_get_resources(atc, apcm);
659 	if (err)
660 		return err;
661 
662 	/* Connect resources */
663 	mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
664 				&out_ports[0], &out_ports[1]);
665 
666 	multi = apcm->substream->runtime->channels;
667 	if (1 == multi) {
668 		mono = apcm->mono;
669 		for (i = 0; i < 2; i++) {
670 			amixer = apcm->amixers[i];
671 			amixer->ops->setup(amixer, out_ports[i],
672 						MONO_SUM_SCALE, mono);
673 		}
674 		out_ports[0] = &mono->rsc;
675 		n_sum = 1;
676 		mix_base = n_sum * 2;
677 	}
678 
679 	for (i = 0; i < apcm->n_srcc; i++) {
680 		src = apcm->srccs[i];
681 		srcimp = apcm->srcimps[imp_base+i];
682 		amixer = apcm->amixers[mix_base+i];
683 		srcimp->ops->map(srcimp, src, out_ports[i%multi]);
684 		amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
685 		out_ports[i%multi] = &amixer->rsc;
686 	}
687 
688 	pitch = atc_get_pitch((atc->rsr * atc->msr),
689 				apcm->substream->runtime->rate);
690 
691 	if ((multi > 1) && (pitch <= 0x8000000)) {
692 		/* Special connection for interleaved
693 		 * recording with conjugate channels */
694 		for (i = 0; i < multi; i++) {
695 			out_ports[i]->ops->master(out_ports[i]);
696 			for (j = 0; j < atc->msr; j++) {
697 				amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
698 				amixer->ops->set_input(amixer, out_ports[i]);
699 				amixer->ops->set_scale(amixer, INIT_VOL);
700 				amixer->ops->set_sum(amixer, NULL);
701 				amixer->ops->commit_raw_write(amixer);
702 				out_ports[i]->ops->next_conj(out_ports[i]);
703 
704 				srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
705 				srcimp->ops->map(srcimp, apcm->src,
706 							&amixer->rsc);
707 			}
708 		}
709 	} else {
710 		for (i = 0; i < multi; i++) {
711 			srcimp = apcm->srcimps[apcm->n_srcc+i];
712 			srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
713 		}
714 	}
715 
716 	ct_timer_prepare(apcm->timer);
717 
718 	return 0;
719 }
720 
721 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
722 {
723 	struct src *src;
724 	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
725 	int i, multi;
726 
727 	if (apcm->started)
728 		return 0;
729 
730 	apcm->started = 1;
731 	multi = apcm->substream->runtime->channels;
732 	/* Set up converting SRCs */
733 	for (i = 0; i < apcm->n_srcc; i++) {
734 		src = apcm->srccs[i];
735 		src->ops->set_pm(src, ((i%multi) != (multi-1)));
736 		src_mgr->src_disable(src_mgr, src);
737 	}
738 
739 	/*  Set up recording SRC */
740 	src = apcm->src;
741 	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
742 					     atc->card));
743 	src->ops->set_sa(src, apcm->vm_block->addr);
744 	src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
745 	src->ops->set_ca(src, apcm->vm_block->addr);
746 	src_mgr->src_disable(src_mgr, src);
747 
748 	/* Disable relevant SRCs firstly */
749 	src_mgr->commit_write(src_mgr);
750 
751 	/* Enable SRCs respectively */
752 	for (i = 0; i < apcm->n_srcc; i++) {
753 		src = apcm->srccs[i];
754 		src->ops->set_state(src, SRC_STATE_RUN);
755 		src->ops->commit_write(src);
756 		src_mgr->src_enable_s(src_mgr, src);
757 	}
758 	src = apcm->src;
759 	src->ops->set_bm(src, 1);
760 	src->ops->set_state(src, SRC_STATE_RUN);
761 	src->ops->commit_write(src);
762 	src_mgr->src_enable_s(src_mgr, src);
763 
764 	/* Enable relevant SRCs synchronously */
765 	src_mgr->commit_write(src_mgr);
766 
767 	ct_timer_start(apcm->timer);
768 	return 0;
769 }
770 
771 static int
772 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
773 {
774 	struct src *src = apcm->src;
775 
776 	if (!src)
777 		return 0;
778 	return src->ops->get_ca(src) - apcm->vm_block->addr;
779 }
780 
781 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
782 						 struct ct_atc_pcm *apcm)
783 {
784 	struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
785 	struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
786 	struct src_desc desc = {0};
787 	struct amixer_desc mix_dsc = {0};
788 	struct src *src;
789 	int err;
790 	int n_amixer = apcm->substream->runtime->channels, i;
791 	unsigned int pitch, rsr = atc->pll_rate;
792 
793 	/* first release old resources */
794 	atc_pcm_release_resources(atc, apcm);
795 
796 	/* Get SRC resource */
797 	desc.multi = apcm->substream->runtime->channels;
798 	desc.msr = 1;
799 	while (apcm->substream->runtime->rate > (rsr * desc.msr))
800 		desc.msr <<= 1;
801 
802 	desc.mode = MEMRD;
803 	err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
804 	if (err)
805 		goto error1;
806 
807 	pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
808 	src = apcm->src;
809 	src->ops->set_pitch(src, pitch);
810 	src->ops->set_rom(src, select_rom(pitch));
811 	src->ops->set_sf(src, convert_format(apcm->substream->runtime->format,
812 					     atc->card));
813 	src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
814 	src->ops->set_bp(src, 1);
815 
816 	/* Get AMIXER resource */
817 	n_amixer = (n_amixer < 2) ? 2 : n_amixer;
818 	apcm->amixers = kcalloc(n_amixer, sizeof(void *), GFP_KERNEL);
819 	if (!apcm->amixers) {
820 		err = -ENOMEM;
821 		goto error1;
822 	}
823 	mix_dsc.msr = desc.msr;
824 	for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
825 		err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
826 					(struct amixer **)&apcm->amixers[i]);
827 		if (err)
828 			goto error1;
829 
830 		apcm->n_amixer++;
831 	}
832 
833 	/* Set up device virtual mem map */
834 	err = ct_map_audio_buffer(atc, apcm);
835 	if (err < 0)
836 		goto error1;
837 
838 	return 0;
839 
840 error1:
841 	atc_pcm_release_resources(atc, apcm);
842 	return err;
843 }
844 
845 static int atc_pll_init(struct ct_atc *atc, int rate)
846 {
847 	struct hw *hw = atc->hw;
848 	int err;
849 	err = hw->pll_init(hw, rate);
850 	atc->pll_rate = err ? 0 : rate;
851 	return err;
852 }
853 
854 static int
855 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
856 {
857 	struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
858 	unsigned int rate = apcm->substream->runtime->rate;
859 	unsigned int status;
860 	int err = 0;
861 	unsigned char iec958_con_fs;
862 
863 	switch (rate) {
864 	case 48000:
865 		iec958_con_fs = IEC958_AES3_CON_FS_48000;
866 		break;
867 	case 44100:
868 		iec958_con_fs = IEC958_AES3_CON_FS_44100;
869 		break;
870 	case 32000:
871 		iec958_con_fs = IEC958_AES3_CON_FS_32000;
872 		break;
873 	default:
874 		return -ENOENT;
875 	}
876 
877 	mutex_lock(&atc->atc_mutex);
878 	dao->ops->get_spos(dao, &status);
879 	if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
880 		status &= ~(IEC958_AES3_CON_FS << 24);
881 		status |= (iec958_con_fs << 24);
882 		dao->ops->set_spos(dao, status);
883 		dao->ops->commit_write(dao);
884 	}
885 	if ((rate != atc->pll_rate) && (32000 != rate))
886 		err = atc_pll_init(atc, rate);
887 	mutex_unlock(&atc->atc_mutex);
888 
889 	return err;
890 }
891 
892 static int
893 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
894 {
895 	struct src *src;
896 	struct amixer *amixer;
897 	struct dao *dao;
898 	int err;
899 	int i;
900 
901 	atc_pcm_release_resources(atc, apcm);
902 
903 	/* Configure SPDIFOO and PLL to passthrough mode;
904 	 * determine pll_rate. */
905 	err = spdif_passthru_playback_setup(atc, apcm);
906 	if (err)
907 		return err;
908 
909 	/* Get needed resources. */
910 	err = spdif_passthru_playback_get_resources(atc, apcm);
911 	if (err)
912 		return err;
913 
914 	/* Connect resources */
915 	src = apcm->src;
916 	for (i = 0; i < apcm->n_amixer; i++) {
917 		amixer = apcm->amixers[i];
918 		amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
919 		src = src->ops->next_interleave(src);
920 		if (!src)
921 			src = apcm->src;
922 	}
923 	/* Connect to SPDIFOO */
924 	mutex_lock(&atc->atc_mutex);
925 	dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
926 	amixer = apcm->amixers[0];
927 	dao->ops->set_left_input(dao, &amixer->rsc);
928 	amixer = apcm->amixers[1];
929 	dao->ops->set_right_input(dao, &amixer->rsc);
930 	mutex_unlock(&atc->atc_mutex);
931 
932 	ct_timer_prepare(apcm->timer);
933 
934 	return 0;
935 }
936 
937 static int atc_select_line_in(struct ct_atc *atc)
938 {
939 	struct hw *hw = atc->hw;
940 	struct ct_mixer *mixer = atc->mixer;
941 	struct src *src;
942 
943 	if (hw->is_adc_source_selected(hw, ADC_LINEIN))
944 		return 0;
945 
946 	mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
947 	mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
948 
949 	hw->select_adc_source(hw, ADC_LINEIN);
950 
951 	src = atc->srcs[2];
952 	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
953 	src = atc->srcs[3];
954 	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
955 
956 	return 0;
957 }
958 
959 static int atc_select_mic_in(struct ct_atc *atc)
960 {
961 	struct hw *hw = atc->hw;
962 	struct ct_mixer *mixer = atc->mixer;
963 	struct src *src;
964 
965 	if (hw->is_adc_source_selected(hw, ADC_MICIN))
966 		return 0;
967 
968 	mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
969 	mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
970 
971 	hw->select_adc_source(hw, ADC_MICIN);
972 
973 	src = atc->srcs[2];
974 	mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
975 	src = atc->srcs[3];
976 	mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
977 
978 	return 0;
979 }
980 
981 static struct capabilities atc_capabilities(struct ct_atc *atc)
982 {
983 	struct hw *hw = atc->hw;
984 
985 	return hw->capabilities(hw);
986 }
987 
988 static int atc_output_switch_get(struct ct_atc *atc)
989 {
990 	struct hw *hw = atc->hw;
991 
992 	return hw->output_switch_get(hw);
993 }
994 
995 static int atc_output_switch_put(struct ct_atc *atc, int position)
996 {
997 	struct hw *hw = atc->hw;
998 
999 	return hw->output_switch_put(hw, position);
1000 }
1001 
1002 static int atc_mic_source_switch_get(struct ct_atc *atc)
1003 {
1004 	struct hw *hw = atc->hw;
1005 
1006 	return hw->mic_source_switch_get(hw);
1007 }
1008 
1009 static int atc_mic_source_switch_put(struct ct_atc *atc, int position)
1010 {
1011 	struct hw *hw = atc->hw;
1012 
1013 	return hw->mic_source_switch_put(hw, position);
1014 }
1015 
1016 static int atc_select_digit_io(struct ct_atc *atc)
1017 {
1018 	struct hw *hw = atc->hw;
1019 
1020 	if (hw->is_adc_source_selected(hw, ADC_NONE))
1021 		return 0;
1022 
1023 	hw->select_adc_source(hw, ADC_NONE);
1024 
1025 	return 0;
1026 }
1027 
1028 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
1029 {
1030 	struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
1031 
1032 	if (state)
1033 		daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
1034 	else
1035 		daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
1036 
1037 	daio_mgr->commit_write(daio_mgr);
1038 
1039 	return 0;
1040 }
1041 
1042 static int
1043 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
1044 {
1045 	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1046 	return dao->ops->get_spos(dao, status);
1047 }
1048 
1049 static int
1050 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
1051 {
1052 	struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1053 
1054 	dao->ops->set_spos(dao, status);
1055 	dao->ops->commit_write(dao);
1056 	return 0;
1057 }
1058 
1059 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1060 {
1061 	return atc_daio_unmute(atc, state, LINEO1);
1062 }
1063 
1064 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1065 {
1066 	return atc_daio_unmute(atc, state, LINEO2);
1067 }
1068 
1069 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1070 {
1071 	return atc_daio_unmute(atc, state, LINEO3);
1072 }
1073 
1074 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1075 {
1076 	return atc_daio_unmute(atc, state, LINEO4);
1077 }
1078 
1079 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1080 {
1081 	return atc_daio_unmute(atc, state, LINEIM);
1082 }
1083 
1084 static int atc_mic_unmute(struct ct_atc *atc, unsigned char state)
1085 {
1086 	return atc_daio_unmute(atc, state, MIC);
1087 }
1088 
1089 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1090 {
1091 	return atc_daio_unmute(atc, state, SPDIFOO);
1092 }
1093 
1094 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1095 {
1096 	return atc_daio_unmute(atc, state, SPDIFIO);
1097 }
1098 
1099 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1100 {
1101 	return atc_dao_get_status(atc, status, SPDIFOO);
1102 }
1103 
1104 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1105 {
1106 	return atc_dao_set_status(atc, status, SPDIFOO);
1107 }
1108 
1109 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1110 {
1111 	struct dao_desc da_dsc = {0};
1112 	struct dao *dao;
1113 	int err;
1114 	struct ct_mixer *mixer = atc->mixer;
1115 	struct rsc *rscs[2] = {NULL};
1116 	unsigned int spos = 0;
1117 
1118 	mutex_lock(&atc->atc_mutex);
1119 	dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1120 	da_dsc.msr = state ? 1 : atc->msr;
1121 	da_dsc.passthru = state ? 1 : 0;
1122 	err = dao->ops->reinit(dao, &da_dsc);
1123 	if (state) {
1124 		spos = IEC958_DEFAULT_CON;
1125 	} else {
1126 		mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1127 					&rscs[0], &rscs[1]);
1128 		dao->ops->set_left_input(dao, rscs[0]);
1129 		dao->ops->set_right_input(dao, rscs[1]);
1130 		/* Restore PLL to atc->rsr if needed. */
1131 		if (atc->pll_rate != atc->rsr)
1132 			err = atc_pll_init(atc, atc->rsr);
1133 	}
1134 	dao->ops->set_spos(dao, spos);
1135 	dao->ops->commit_write(dao);
1136 	mutex_unlock(&atc->atc_mutex);
1137 
1138 	return err;
1139 }
1140 
1141 static int atc_release_resources(struct ct_atc *atc)
1142 {
1143 	int i;
1144 	struct daio_mgr *daio_mgr = NULL;
1145 	struct dao *dao = NULL;
1146 	struct daio *daio = NULL;
1147 	struct sum_mgr *sum_mgr = NULL;
1148 	struct src_mgr *src_mgr = NULL;
1149 	struct srcimp_mgr *srcimp_mgr = NULL;
1150 	struct srcimp *srcimp = NULL;
1151 	struct ct_mixer *mixer = NULL;
1152 
1153 	/* disconnect internal mixer objects */
1154 	if (atc->mixer) {
1155 		mixer = atc->mixer;
1156 		mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1157 		mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1158 		mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1159 		mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1160 		mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1161 		mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1162 	}
1163 
1164 	if (atc->daios) {
1165 		daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1166 		for (i = 0; i < atc->n_daio; i++) {
1167 			daio = atc->daios[i];
1168 			if (daio->type < LINEIM) {
1169 				dao = container_of(daio, struct dao, daio);
1170 				dao->ops->clear_left_input(dao);
1171 				dao->ops->clear_right_input(dao);
1172 			}
1173 			daio_mgr->put_daio(daio_mgr, daio);
1174 		}
1175 		kfree(atc->daios);
1176 		atc->daios = NULL;
1177 	}
1178 
1179 	if (atc->pcm) {
1180 		sum_mgr = atc->rsc_mgrs[SUM];
1181 		for (i = 0; i < atc->n_pcm; i++)
1182 			sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1183 
1184 		kfree(atc->pcm);
1185 		atc->pcm = NULL;
1186 	}
1187 
1188 	if (atc->srcs) {
1189 		src_mgr = atc->rsc_mgrs[SRC];
1190 		for (i = 0; i < atc->n_src; i++)
1191 			src_mgr->put_src(src_mgr, atc->srcs[i]);
1192 
1193 		kfree(atc->srcs);
1194 		atc->srcs = NULL;
1195 	}
1196 
1197 	if (atc->srcimps) {
1198 		srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1199 		for (i = 0; i < atc->n_srcimp; i++) {
1200 			srcimp = atc->srcimps[i];
1201 			srcimp->ops->unmap(srcimp);
1202 			srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1203 		}
1204 		kfree(atc->srcimps);
1205 		atc->srcimps = NULL;
1206 	}
1207 
1208 	return 0;
1209 }
1210 
1211 static int ct_atc_destroy(struct ct_atc *atc)
1212 {
1213 	int i = 0;
1214 
1215 	if (!atc)
1216 		return 0;
1217 
1218 	if (atc->timer) {
1219 		ct_timer_free(atc->timer);
1220 		atc->timer = NULL;
1221 	}
1222 
1223 	atc_release_resources(atc);
1224 
1225 	/* Destroy internal mixer objects */
1226 	if (atc->mixer)
1227 		ct_mixer_destroy(atc->mixer);
1228 
1229 	for (i = 0; i < NUM_RSCTYP; i++) {
1230 		if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
1231 			rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1232 
1233 	}
1234 
1235 	if (atc->hw)
1236 		destroy_hw_obj(atc->hw);
1237 
1238 	/* Destroy device virtual memory manager object */
1239 	if (atc->vm) {
1240 		ct_vm_destroy(atc->vm);
1241 		atc->vm = NULL;
1242 	}
1243 
1244 	kfree(atc);
1245 
1246 	return 0;
1247 }
1248 
1249 static int atc_dev_free(struct snd_device *dev)
1250 {
1251 	struct ct_atc *atc = dev->device_data;
1252 	return ct_atc_destroy(atc);
1253 }
1254 
1255 static int atc_identify_card(struct ct_atc *atc, unsigned int ssid)
1256 {
1257 	const struct snd_pci_quirk *p;
1258 	const struct snd_pci_quirk *list;
1259 	u16 vendor_id, device_id;
1260 
1261 	switch (atc->chip_type) {
1262 	case ATC20K1:
1263 		atc->chip_name = "20K1";
1264 		list = subsys_20k1_list;
1265 		break;
1266 	case ATC20K2:
1267 		atc->chip_name = "20K2";
1268 		list = subsys_20k2_list;
1269 		break;
1270 	default:
1271 		return -ENOENT;
1272 	}
1273 	if (ssid) {
1274 		vendor_id = ssid >> 16;
1275 		device_id = ssid & 0xffff;
1276 	} else {
1277 		vendor_id = atc->pci->subsystem_vendor;
1278 		device_id = atc->pci->subsystem_device;
1279 	}
1280 	p = snd_pci_quirk_lookup_id(vendor_id, device_id, list);
1281 	if (p) {
1282 		if (p->value < 0) {
1283 			dev_err(atc->card->dev,
1284 				"Device %04x:%04x is on the denylist\n",
1285 				vendor_id, device_id);
1286 			return -ENOENT;
1287 		}
1288 		atc->model = p->value;
1289 	} else {
1290 		if (atc->chip_type == ATC20K1)
1291 			atc->model = CT20K1_UNKNOWN;
1292 		else
1293 			atc->model = CT20K2_UNKNOWN;
1294 	}
1295 	atc->model_name = ct_subsys_name[atc->model];
1296 	dev_info(atc->card->dev, "chip %s model %s (%04x:%04x) is found\n",
1297 		   atc->chip_name, atc->model_name,
1298 		   vendor_id, device_id);
1299 	return 0;
1300 }
1301 
1302 int ct_atc_create_alsa_devs(struct ct_atc *atc)
1303 {
1304 	enum CTALSADEVS i;
1305 	int err;
1306 
1307 	alsa_dev_funcs[MIXER].public_name = atc->chip_name;
1308 
1309 	for (i = 0; i < NUM_CTALSADEVS; i++) {
1310 		if (!alsa_dev_funcs[i].create)
1311 			continue;
1312 
1313 		err = alsa_dev_funcs[i].create(atc, i,
1314 				alsa_dev_funcs[i].public_name);
1315 		if (err) {
1316 			dev_err(atc->card->dev,
1317 				"Creating alsa device %d failed!\n", i);
1318 			return err;
1319 		}
1320 	}
1321 
1322 	return 0;
1323 }
1324 
1325 static int atc_create_hw_devs(struct ct_atc *atc)
1326 {
1327 	struct hw *hw;
1328 	struct card_conf info = {0};
1329 	int i, err;
1330 
1331 	err = create_hw_obj(atc->pci, atc->chip_type, atc->model, &hw);
1332 	if (err) {
1333 		dev_err(atc->card->dev, "Failed to create hw obj!!!\n");
1334 		return err;
1335 	}
1336 	hw->card = atc->card;
1337 	atc->hw = hw;
1338 
1339 	/* Initialize card hardware. */
1340 	info.rsr = atc->rsr;
1341 	info.msr = atc->msr;
1342 	info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1343 	err = hw->card_init(hw, &info);
1344 	if (err < 0)
1345 		return err;
1346 
1347 	for (i = 0; i < NUM_RSCTYP; i++) {
1348 		if (!rsc_mgr_funcs[i].create)
1349 			continue;
1350 
1351 		err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1352 		if (err) {
1353 			dev_err(atc->card->dev,
1354 				"Failed to create rsc_mgr %d!!!\n", i);
1355 			return err;
1356 		}
1357 	}
1358 
1359 	return 0;
1360 }
1361 
1362 static int atc_get_resources(struct ct_atc *atc)
1363 {
1364 	struct daio_desc da_desc = {0};
1365 	struct daio_mgr *daio_mgr;
1366 	struct src_desc src_dsc = {0};
1367 	struct src_mgr *src_mgr;
1368 	struct srcimp_desc srcimp_dsc = {0};
1369 	struct srcimp_mgr *srcimp_mgr;
1370 	struct sum_desc sum_dsc = {0};
1371 	struct sum_mgr *sum_mgr;
1372 	int err, i, num_srcs, num_daios;
1373 
1374 	num_daios = ((atc->model == CTSB1270) ? 8 : 7);
1375 	num_srcs = ((atc->model == CTSB1270) ? 6 : 4);
1376 
1377 	atc->daios = kcalloc(num_daios, sizeof(void *), GFP_KERNEL);
1378 	if (!atc->daios)
1379 		return -ENOMEM;
1380 
1381 	atc->srcs = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1382 	if (!atc->srcs)
1383 		return -ENOMEM;
1384 
1385 	atc->srcimps = kcalloc(num_srcs, sizeof(void *), GFP_KERNEL);
1386 	if (!atc->srcimps)
1387 		return -ENOMEM;
1388 
1389 	atc->pcm = kcalloc(2 * 4, sizeof(void *), GFP_KERNEL);
1390 	if (!atc->pcm)
1391 		return -ENOMEM;
1392 
1393 	daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1394 	da_desc.msr = atc->msr;
1395 	for (i = 0, atc->n_daio = 0; i < num_daios; i++) {
1396 		da_desc.type = (atc->model != CTSB073X) ? i :
1397 			     ((i == SPDIFIO) ? SPDIFI1 : i);
1398 		err = daio_mgr->get_daio(daio_mgr, &da_desc,
1399 					(struct daio **)&atc->daios[i]);
1400 		if (err) {
1401 			dev_err(atc->card->dev,
1402 				"Failed to get DAIO resource %d!!!\n",
1403 				i);
1404 			return err;
1405 		}
1406 		atc->n_daio++;
1407 	}
1408 
1409 	src_mgr = atc->rsc_mgrs[SRC];
1410 	src_dsc.multi = 1;
1411 	src_dsc.msr = atc->msr;
1412 	src_dsc.mode = ARCRW;
1413 	for (i = 0, atc->n_src = 0; i < num_srcs; i++) {
1414 		err = src_mgr->get_src(src_mgr, &src_dsc,
1415 					(struct src **)&atc->srcs[i]);
1416 		if (err)
1417 			return err;
1418 
1419 		atc->n_src++;
1420 	}
1421 
1422 	srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1423 	srcimp_dsc.msr = 8;
1424 	for (i = 0, atc->n_srcimp = 0; i < num_srcs; i++) {
1425 		err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1426 					(struct srcimp **)&atc->srcimps[i]);
1427 		if (err)
1428 			return err;
1429 
1430 		atc->n_srcimp++;
1431 	}
1432 
1433 	sum_mgr = atc->rsc_mgrs[SUM];
1434 	sum_dsc.msr = atc->msr;
1435 	for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1436 		err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1437 					(struct sum **)&atc->pcm[i]);
1438 		if (err)
1439 			return err;
1440 
1441 		atc->n_pcm++;
1442 	}
1443 
1444 	return 0;
1445 }
1446 
1447 static void
1448 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1449 		struct src **srcs, struct srcimp **srcimps)
1450 {
1451 	struct rsc *rscs[2] = {NULL};
1452 	struct src *src;
1453 	struct srcimp *srcimp;
1454 	int i = 0;
1455 
1456 	rscs[0] = &dai->daio.rscl;
1457 	rscs[1] = &dai->daio.rscr;
1458 	for (i = 0; i < 2; i++) {
1459 		src = srcs[i];
1460 		srcimp = srcimps[i];
1461 		srcimp->ops->map(srcimp, src, rscs[i]);
1462 		src_mgr->src_disable(src_mgr, src);
1463 	}
1464 
1465 	src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1466 
1467 	src = srcs[0];
1468 	src->ops->set_pm(src, 1);
1469 	for (i = 0; i < 2; i++) {
1470 		src = srcs[i];
1471 		src->ops->set_state(src, SRC_STATE_RUN);
1472 		src->ops->commit_write(src);
1473 		src_mgr->src_enable_s(src_mgr, src);
1474 	}
1475 
1476 	dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1477 	dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1478 
1479 	dai->ops->set_enb_src(dai, 1);
1480 	dai->ops->set_enb_srt(dai, 1);
1481 	dai->ops->commit_write(dai);
1482 
1483 	src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1484 }
1485 
1486 static void atc_connect_resources(struct ct_atc *atc)
1487 {
1488 	struct dai *dai;
1489 	struct dao *dao;
1490 	struct src *src;
1491 	struct sum *sum;
1492 	struct ct_mixer *mixer;
1493 	struct rsc *rscs[2] = {NULL};
1494 	int i, j;
1495 
1496 	mixer = atc->mixer;
1497 
1498 	for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1499 		mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1500 		dao = container_of(atc->daios[j], struct dao, daio);
1501 		dao->ops->set_left_input(dao, rscs[0]);
1502 		dao->ops->set_right_input(dao, rscs[1]);
1503 	}
1504 
1505 	dai = container_of(atc->daios[LINEIM], struct dai, daio);
1506 	atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1507 			(struct src **)&atc->srcs[2],
1508 			(struct srcimp **)&atc->srcimps[2]);
1509 	src = atc->srcs[2];
1510 	mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1511 	src = atc->srcs[3];
1512 	mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1513 
1514 	if (atc->model == CTSB1270) {
1515 		/* Titanium HD has a dedicated ADC for the Mic. */
1516 		dai = container_of(atc->daios[MIC], struct dai, daio);
1517 		atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1518 			(struct src **)&atc->srcs[4],
1519 			(struct srcimp **)&atc->srcimps[4]);
1520 		src = atc->srcs[4];
1521 		mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
1522 		src = atc->srcs[5];
1523 		mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
1524 	}
1525 
1526 	dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1527 	atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1528 			(struct src **)&atc->srcs[0],
1529 			(struct srcimp **)&atc->srcimps[0]);
1530 
1531 	src = atc->srcs[0];
1532 	mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1533 	src = atc->srcs[1];
1534 	mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1535 
1536 	for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1537 		sum = atc->pcm[j];
1538 		mixer->set_input_left(mixer, i, &sum->rsc);
1539 		sum = atc->pcm[j+1];
1540 		mixer->set_input_right(mixer, i, &sum->rsc);
1541 	}
1542 }
1543 
1544 #ifdef CONFIG_PM_SLEEP
1545 static int atc_suspend(struct ct_atc *atc)
1546 {
1547 	struct hw *hw = atc->hw;
1548 
1549 	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D3hot);
1550 
1551 	atc_release_resources(atc);
1552 
1553 	hw->suspend(hw);
1554 
1555 	return 0;
1556 }
1557 
1558 static int atc_hw_resume(struct ct_atc *atc)
1559 {
1560 	struct hw *hw = atc->hw;
1561 	struct card_conf info = {0};
1562 
1563 	/* Re-initialize card hardware. */
1564 	info.rsr = atc->rsr;
1565 	info.msr = atc->msr;
1566 	info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1567 	return hw->resume(hw, &info);
1568 }
1569 
1570 static int atc_resources_resume(struct ct_atc *atc)
1571 {
1572 	struct ct_mixer *mixer;
1573 	int err = 0;
1574 
1575 	/* Get resources */
1576 	err = atc_get_resources(atc);
1577 	if (err < 0) {
1578 		atc_release_resources(atc);
1579 		return err;
1580 	}
1581 
1582 	/* Build topology */
1583 	atc_connect_resources(atc);
1584 
1585 	mixer = atc->mixer;
1586 	mixer->resume(mixer);
1587 
1588 	return 0;
1589 }
1590 
1591 static int atc_resume(struct ct_atc *atc)
1592 {
1593 	int err = 0;
1594 
1595 	/* Do hardware resume. */
1596 	err = atc_hw_resume(atc);
1597 	if (err < 0) {
1598 		dev_err(atc->card->dev,
1599 			"pci_enable_device failed, disabling device\n");
1600 		snd_card_disconnect(atc->card);
1601 		return err;
1602 	}
1603 
1604 	err = atc_resources_resume(atc);
1605 	if (err < 0)
1606 		return err;
1607 
1608 	snd_power_change_state(atc->card, SNDRV_CTL_POWER_D0);
1609 
1610 	return 0;
1611 }
1612 #endif
1613 
1614 static const struct ct_atc atc_preset = {
1615 	.map_audio_buffer = ct_map_audio_buffer,
1616 	.unmap_audio_buffer = ct_unmap_audio_buffer,
1617 	.pcm_playback_prepare = atc_pcm_playback_prepare,
1618 	.pcm_release_resources = atc_pcm_release_resources,
1619 	.pcm_playback_start = atc_pcm_playback_start,
1620 	.pcm_playback_stop = atc_pcm_stop,
1621 	.pcm_playback_position = atc_pcm_playback_position,
1622 	.pcm_capture_prepare = atc_pcm_capture_prepare,
1623 	.pcm_capture_start = atc_pcm_capture_start,
1624 	.pcm_capture_stop = atc_pcm_stop,
1625 	.pcm_capture_position = atc_pcm_capture_position,
1626 	.spdif_passthru_playback_prepare = spdif_passthru_playback_prepare,
1627 	.get_ptp_phys = atc_get_ptp_phys,
1628 	.select_line_in = atc_select_line_in,
1629 	.select_mic_in = atc_select_mic_in,
1630 	.select_digit_io = atc_select_digit_io,
1631 	.line_front_unmute = atc_line_front_unmute,
1632 	.line_surround_unmute = atc_line_surround_unmute,
1633 	.line_clfe_unmute = atc_line_clfe_unmute,
1634 	.line_rear_unmute = atc_line_rear_unmute,
1635 	.line_in_unmute = atc_line_in_unmute,
1636 	.mic_unmute = atc_mic_unmute,
1637 	.spdif_out_unmute = atc_spdif_out_unmute,
1638 	.spdif_in_unmute = atc_spdif_in_unmute,
1639 	.spdif_out_get_status = atc_spdif_out_get_status,
1640 	.spdif_out_set_status = atc_spdif_out_set_status,
1641 	.spdif_out_passthru = atc_spdif_out_passthru,
1642 	.capabilities = atc_capabilities,
1643 	.output_switch_get = atc_output_switch_get,
1644 	.output_switch_put = atc_output_switch_put,
1645 	.mic_source_switch_get = atc_mic_source_switch_get,
1646 	.mic_source_switch_put = atc_mic_source_switch_put,
1647 #ifdef CONFIG_PM_SLEEP
1648 	.suspend = atc_suspend,
1649 	.resume = atc_resume,
1650 #endif
1651 };
1652 
1653 /**
1654  *  ct_atc_create - create and initialize a hardware manager
1655  *  @card: corresponding alsa card object
1656  *  @pci: corresponding kernel pci device object
1657  *  @rsr: reference sampling rate
1658  *  @msr: master sampling rate
1659  *  @chip_type: CHIPTYP enum values
1660  *  @ssid: vendor ID (upper 16 bits) and device ID (lower 16 bits)
1661  *  @ratc: return created object address in it
1662  *
1663  *  Creates and initializes a hardware manager.
1664  *
1665  *  Creates kmallocated ct_atc structure. Initializes hardware.
1666  *  Returns 0 if succeeds, or negative error code if fails.
1667  */
1668 
1669 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1670 		  unsigned int rsr, unsigned int msr,
1671 		  int chip_type, unsigned int ssid,
1672 		  struct ct_atc **ratc)
1673 {
1674 	struct ct_atc *atc;
1675 	static const struct snd_device_ops ops = {
1676 		.dev_free = atc_dev_free,
1677 	};
1678 	int err;
1679 
1680 	*ratc = NULL;
1681 
1682 	atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1683 	if (!atc)
1684 		return -ENOMEM;
1685 
1686 	/* Set operations */
1687 	*atc = atc_preset;
1688 
1689 	atc->card = card;
1690 	atc->pci = pci;
1691 	atc->rsr = rsr;
1692 	atc->msr = msr;
1693 	atc->chip_type = chip_type;
1694 
1695 	mutex_init(&atc->atc_mutex);
1696 
1697 	/* Find card model */
1698 	err = atc_identify_card(atc, ssid);
1699 	if (err < 0) {
1700 		dev_err(card->dev, "ctatc: Card not recognised\n");
1701 		goto error1;
1702 	}
1703 
1704 	/* Set up device virtual memory management object */
1705 	err = ct_vm_create(&atc->vm, pci);
1706 	if (err < 0)
1707 		goto error1;
1708 
1709 	/* Create all atc hw devices */
1710 	err = atc_create_hw_devs(atc);
1711 	if (err < 0)
1712 		goto error1;
1713 
1714 	err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1715 	if (err) {
1716 		dev_err(card->dev, "Failed to create mixer obj!!!\n");
1717 		goto error1;
1718 	}
1719 
1720 	/* Get resources */
1721 	err = atc_get_resources(atc);
1722 	if (err < 0)
1723 		goto error1;
1724 
1725 	/* Build topology */
1726 	atc_connect_resources(atc);
1727 
1728 	atc->timer = ct_timer_new(atc);
1729 	if (!atc->timer) {
1730 		err = -ENOMEM;
1731 		goto error1;
1732 	}
1733 
1734 	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1735 	if (err < 0)
1736 		goto error1;
1737 
1738 	*ratc = atc;
1739 	return 0;
1740 
1741 error1:
1742 	ct_atc_destroy(atc);
1743 	dev_err(card->dev, "Something wrong!!!\n");
1744 	return err;
1745 }
1746