ALSA: ALSA: ctxfi - Release PCM resources at each prepare call
[linux-2.6.git] / sound / pci / ctxfi / ctatc.c
1 /**
2  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
3  *
4  * This source file is released under GPL v2 license (no other versions).
5  * See the COPYING file included in the main directory of this source
6  * distribution for the license terms and conditions.
7  *
8  * @File    ctatc.c
9  *
10  * @Brief
11  * This file contains the implementation of the device resource management
12  * object.
13  *
14  * @Author Liu Chun
15  * @Date Mar 28 2008
16  */
17
18 #include "ctatc.h"
19 #include "ctpcm.h"
20 #include "ctmixer.h"
21 #include "cthardware.h"
22 #include "ctsrc.h"
23 #include "ctamixer.h"
24 #include "ctdaio.h"
25 #include <linux/delay.h>
26 #include <sound/pcm.h>
27 #include <sound/control.h>
28 #include <sound/asoundef.h>
29
30 #define MONO_SUM_SCALE  0x19a8  /* 2^(-0.5) in 14-bit floating format */
31 #define DAIONUM         7
32 #define MAX_MULTI_CHN   8
33
34 #define IEC958_DEFAULT_CON ((IEC958_AES0_NONAUDIO \
35                             | IEC958_AES0_CON_NOT_COPYRIGHT) \
36                             | ((IEC958_AES1_CON_MIXER \
37                             | IEC958_AES1_CON_ORIGINAL) << 8) \
38                             | (0x10 << 16) \
39                             | ((IEC958_AES3_CON_FS_48000) << 24))
40
41 static const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = {
42         [CTSB0760] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB0760,
43                       .nm_model = "SB076x"},
44         [CTHENDRIX] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_HENDRIX,
45                       .nm_model = "Hendrix"},
46         [CTSB08801] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08801,
47                       .nm_model = "SB0880"},
48         [CTSB08802] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08802,
49                       .nm_model = "SB0880"},
50         [CTSB08803] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08803,
51                       .nm_model = "SB0880"}
52 };
53
54 static struct ct_atc_chip_details atc_chip_details[] = {
55         {.vendor = PCI_VENDOR_ID_CREATIVE,
56          .device = PCI_DEVICE_ID_CREATIVE_20K1,
57          .sub_details = NULL,
58          .nm_card = "X-Fi 20k1"},
59         {.vendor = PCI_VENDOR_ID_CREATIVE,
60          .device = PCI_DEVICE_ID_CREATIVE_20K2,
61          .sub_details = atc_sub_details,
62          .nm_card = "X-Fi 20k2"},
63         {} /* terminator */
64 };
65
66 static struct {
67         int (*create)(struct ct_atc *atc,
68                         enum CTALSADEVS device, const char *device_name);
69         int (*destroy)(void *alsa_dev);
70         const char *public_name;
71 } alsa_dev_funcs[NUM_CTALSADEVS] = {
72         [FRONT]         = { .create = ct_alsa_pcm_create,
73                             .destroy = NULL,
74                             .public_name = "Front/WaveIn"},
75         [REAR]          = { .create = ct_alsa_pcm_create,
76                             .destroy = NULL,
77                             .public_name = "Rear"},
78         [CLFE]          = { .create = ct_alsa_pcm_create,
79                             .destroy = NULL,
80                             .public_name = "Center/LFE"},
81         [SURROUND]      = { .create = ct_alsa_pcm_create,
82                             .destroy = NULL,
83                             .public_name = "Surround"},
84         [IEC958]        = { .create = ct_alsa_pcm_create,
85                             .destroy = NULL,
86                             .public_name = "IEC958 Non-audio"},
87
88         [MIXER]         = { .create = ct_alsa_mix_create,
89                             .destroy = NULL,
90                             .public_name = "Mixer"}
91 };
92
93 typedef int (*create_t)(void *, void **);
94 typedef int (*destroy_t)(void *);
95
96 static struct {
97         int (*create)(void *hw, void **rmgr);
98         int (*destroy)(void *mgr);
99 } rsc_mgr_funcs[NUM_RSCTYP] = {
100         [SRC]           = { .create     = (create_t)src_mgr_create,
101                             .destroy    = (destroy_t)src_mgr_destroy    },
102         [SRCIMP]        = { .create     = (create_t)srcimp_mgr_create,
103                             .destroy    = (destroy_t)srcimp_mgr_destroy },
104         [AMIXER]        = { .create     = (create_t)amixer_mgr_create,
105                             .destroy    = (destroy_t)amixer_mgr_destroy },
106         [SUM]           = { .create     = (create_t)sum_mgr_create,
107                             .destroy    = (destroy_t)sum_mgr_destroy    },
108         [DAIO]          = { .create     = (create_t)daio_mgr_create,
109                             .destroy    = (destroy_t)daio_mgr_destroy   }
110 };
111
112 static int
113 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm);
114
115 /* *
116  * Only mono and interleaved modes are supported now.
117  * Always allocates a contiguous channel block.
118  * */
119
120 static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
121 {
122         struct snd_pcm_runtime *runtime;
123         struct ct_vm *vm;
124
125         if (NULL == apcm->substream)
126                 return 0;
127
128         runtime = apcm->substream->runtime;
129         vm = atc->vm;
130
131         apcm->vm_block = vm->map(vm, runtime->dma_area, runtime->dma_bytes);
132
133         if (NULL == apcm->vm_block)
134                 return -ENOENT;
135
136         return 0;
137 }
138
139 static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
140 {
141         struct ct_vm *vm;
142
143         if (NULL == apcm->vm_block)
144                 return;
145
146         vm = atc->vm;
147
148         vm->unmap(vm, apcm->vm_block);
149
150         apcm->vm_block = NULL;
151 }
152
153 static unsigned long atc_get_ptp_phys(struct ct_atc *atc, int index)
154 {
155         struct ct_vm *vm;
156         void *kvirt_addr;
157         unsigned long phys_addr;
158
159         vm = atc->vm;
160         kvirt_addr = vm->get_ptp_virt(vm, index);
161         if (kvirt_addr == NULL)
162                 phys_addr = (~0UL);
163         else
164                 phys_addr = virt_to_phys(kvirt_addr);
165
166         return phys_addr;
167 }
168
169 static unsigned int convert_format(snd_pcm_format_t snd_format)
170 {
171         switch (snd_format) {
172         case SNDRV_PCM_FORMAT_U8:
173         case SNDRV_PCM_FORMAT_S8:
174                 return SRC_SF_U8;
175         case SNDRV_PCM_FORMAT_S16_LE:
176         case SNDRV_PCM_FORMAT_U16_LE:
177                 return SRC_SF_S16;
178         case SNDRV_PCM_FORMAT_S24_3LE:
179                 return SRC_SF_S24;
180         case SNDRV_PCM_FORMAT_S24_LE:
181         case SNDRV_PCM_FORMAT_S32_LE:
182                 return SRC_SF_S32;
183         default:
184                 printk(KERN_ERR "ctxfi: not recognized snd format is %d \n",
185                         snd_format);
186                 return SRC_SF_S16;
187         }
188 }
189
190 static unsigned int
191 atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
192 {
193         unsigned int pitch = 0;
194         int b = 0;
195
196         /* get pitch and convert to fixed-point 8.24 format. */
197         pitch = (input_rate / output_rate) << 24;
198         input_rate %= output_rate;
199         input_rate /= 100;
200         output_rate /= 100;
201         for (b = 31; ((b >= 0) && !(input_rate >> b)); )
202                 b--;
203
204         if (b >= 0) {
205                 input_rate <<= (31 - b);
206                 input_rate /= output_rate;
207                 b = 24 - (31 - b);
208                 if (b >= 0)
209                         input_rate <<= b;
210                 else
211                         input_rate >>= -b;
212
213                 pitch |= input_rate;
214         }
215
216         return pitch;
217 }
218
219 static int select_rom(unsigned int pitch)
220 {
221         if ((pitch > 0x00428f5c) && (pitch < 0x01b851ec)) {
222                 /* 0.26 <= pitch <= 1.72 */
223                 return 1;
224         } else if ((0x01d66666 == pitch) || (0x01d66667 == pitch)) {
225                 /* pitch == 1.8375 */
226                 return 2;
227         } else if (0x02000000 == pitch) {
228                 /* pitch == 2 */
229                 return 3;
230         } else if ((pitch >= 0x0) && (pitch <= 0x08000000)) {
231                 /* 0 <= pitch <= 8 */
232                 return 0;
233         } else {
234                 return -ENOENT;
235         }
236 }
237
238 static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
239 {
240         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
241         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
242         struct src_desc desc = {0};
243         struct amixer_desc mix_dsc = {0};
244         struct src *src = NULL;
245         struct amixer *amixer = NULL;
246         int err = 0;
247         int n_amixer = apcm->substream->runtime->channels, i = 0;
248         int device = apcm->substream->pcm->device;
249         unsigned int pitch = 0;
250         unsigned long flags;
251
252         if (NULL != apcm->src) {
253                 /* Prepared pcm playback */
254                 return 0;
255         }
256
257         /* first release old resources */
258         atc->pcm_release_resources(atc, apcm);
259
260         /* Get SRC resource */
261         desc.multi = apcm->substream->runtime->channels;
262         desc.msr = atc->msr;
263         desc.mode = MEMRD;
264         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
265         if (err)
266                 goto error1;
267
268         pitch = atc_get_pitch(apcm->substream->runtime->rate,
269                                                 (atc->rsr * atc->msr));
270         src = apcm->src;
271         src->ops->set_pitch(src, pitch);
272         src->ops->set_rom(src, select_rom(pitch));
273         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
274         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
275
276         /* Get AMIXER resource */
277         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
278         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
279         if (NULL == apcm->amixers) {
280                 err = -ENOMEM;
281                 goto error1;
282         }
283         mix_dsc.msr = atc->msr;
284         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
285                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
286                                         (struct amixer **)&apcm->amixers[i]);
287                 if (err)
288                         goto error1;
289
290                 apcm->n_amixer++;
291         }
292
293         /* Set up device virtual mem map */
294         err = ct_map_audio_buffer(atc, apcm);
295         if (err < 0)
296                 goto error1;
297
298         /* Connect resources */
299         src = apcm->src;
300         for (i = 0; i < n_amixer; i++) {
301                 amixer = apcm->amixers[i];
302                 spin_lock_irqsave(&atc->atc_lock, flags);
303                 amixer->ops->setup(amixer, &src->rsc,
304                                         INIT_VOL, atc->pcm[i+device*2]);
305                 spin_unlock_irqrestore(&atc->atc_lock, flags);
306                 src = src->ops->next_interleave(src);
307                 if (NULL == src)
308                         src = apcm->src;
309         }
310
311         return 0;
312
313 error1:
314         atc_pcm_release_resources(atc, apcm);
315         return err;
316 }
317
318 static int
319 atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
320 {
321         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
322         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
323         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
324         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
325         struct srcimp *srcimp = NULL;
326         int i = 0;
327
328         if (NULL != apcm->srcimps) {
329                 for (i = 0; i < apcm->n_srcimp; i++) {
330                         srcimp = apcm->srcimps[i];
331                         srcimp->ops->unmap(srcimp);
332                         srcimp_mgr->put_srcimp(srcimp_mgr, srcimp);
333                         apcm->srcimps[i] = NULL;
334                 }
335                 kfree(apcm->srcimps);
336                 apcm->srcimps = NULL;
337         }
338
339         if (NULL != apcm->srccs) {
340                 for (i = 0; i < apcm->n_srcc; i++) {
341                         src_mgr->put_src(src_mgr, apcm->srccs[i]);
342                         apcm->srccs[i] = NULL;
343                 }
344                 kfree(apcm->srccs);
345                 apcm->srccs = NULL;
346         }
347
348         if (NULL != apcm->amixers) {
349                 for (i = 0; i < apcm->n_amixer; i++) {
350                         amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
351                         apcm->amixers[i] = NULL;
352                 }
353                 kfree(apcm->amixers);
354                 apcm->amixers = NULL;
355         }
356
357         if (NULL != apcm->mono) {
358                 sum_mgr->put_sum(sum_mgr, apcm->mono);
359                 apcm->mono = NULL;
360         }
361
362         if (NULL != apcm->src) {
363                 src_mgr->put_src(src_mgr, apcm->src);
364                 apcm->src = NULL;
365         }
366
367         if (NULL != apcm->vm_block) {
368                 /* Undo device virtual mem map */
369                 ct_unmap_audio_buffer(atc, apcm);
370                 apcm->vm_block = NULL;
371         }
372
373         return 0;
374 }
375
376 static int atc_pcm_playback_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
377 {
378         unsigned int max_cisz = 0;
379         struct src *src = apcm->src;
380
381         max_cisz = src->multi * src->rsc.msr;
382         max_cisz = 0x80 * (max_cisz < 8 ? max_cisz : 8);
383
384         src->ops->set_sa(src, apcm->vm_block->addr);
385         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
386         src->ops->set_ca(src, apcm->vm_block->addr + max_cisz);
387         src->ops->set_cisz(src, max_cisz);
388
389         src->ops->set_bm(src, 1);
390         src->ops->set_state(src, SRC_STATE_INIT);
391         src->ops->commit_write(src);
392
393         return 0;
394 }
395
396 static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
397 {
398         struct src *src = NULL;
399         int i = 0;
400
401         src = apcm->src;
402         src->ops->set_bm(src, 0);
403         src->ops->set_state(src, SRC_STATE_OFF);
404         src->ops->commit_write(src);
405
406         if (NULL != apcm->srccs) {
407                 for (i = 0; i < apcm->n_srcc; i++) {
408                         src = apcm->srccs[i];
409                         src->ops->set_bm(src, 0);
410                         src->ops->set_state(src, SRC_STATE_OFF);
411                         src->ops->commit_write(src);
412                 }
413         }
414
415         apcm->started = 0;
416
417         return 0;
418 }
419
420 static int
421 atc_pcm_playback_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
422 {
423         struct src *src = apcm->src;
424         u32 size = 0, max_cisz = 0;
425         int position = 0;
426
427         position = src->ops->get_ca(src);
428
429         size = apcm->vm_block->size;
430         max_cisz = src->multi * src->rsc.msr;
431         max_cisz = 128 * (max_cisz < 8 ? max_cisz : 8);
432
433         return (position + size - max_cisz - apcm->vm_block->addr) % size;
434 }
435
436 struct src_node_conf_t {
437         unsigned int pitch;
438         unsigned int msr:8;
439         unsigned int mix_msr:8;
440         unsigned int imp_msr:8;
441         unsigned int vo:1;
442 };
443
444 static void setup_src_node_conf(struct ct_atc *atc, struct ct_atc_pcm *apcm,
445                                 struct src_node_conf_t *conf, int *n_srcc)
446 {
447         unsigned int pitch = 0;
448
449         /* get pitch and convert to fixed-point 8.24 format. */
450         pitch = atc_get_pitch((atc->rsr * atc->msr),
451                                 apcm->substream->runtime->rate);
452         *n_srcc = 0;
453
454         if (1 == atc->msr) {
455                 *n_srcc = apcm->substream->runtime->channels;
456                 conf[0].pitch = pitch;
457                 conf[0].mix_msr = conf[0].imp_msr = conf[0].msr = 1;
458                 conf[0].vo = 1;
459         } else if (2 == atc->msr) {
460                 if (0x8000000 < pitch) {
461                         /* Need two-stage SRCs, SRCIMPs and
462                          * AMIXERs for converting format */
463                         conf[0].pitch = (atc->msr << 24);
464                         conf[0].msr = conf[0].mix_msr = 1;
465                         conf[0].imp_msr = atc->msr;
466                         conf[0].vo = 0;
467                         conf[1].pitch = atc_get_pitch(atc->rsr,
468                                         apcm->substream->runtime->rate);
469                         conf[1].msr = conf[1].mix_msr = conf[1].imp_msr = 1;
470                         conf[1].vo = 1;
471                         *n_srcc = apcm->substream->runtime->channels * 2;
472                 } else if (0x1000000 < pitch) {
473                         /* Need one-stage SRCs, SRCIMPs and
474                          * AMIXERs for converting format */
475                         conf[0].pitch = pitch;
476                         conf[0].msr = conf[0].mix_msr
477                                     = conf[0].imp_msr = atc->msr;
478                         conf[0].vo = 1;
479                         *n_srcc = apcm->substream->runtime->channels;
480                 }
481         }
482 }
483
484 static int
485 atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
486 {
487         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
488         struct srcimp_mgr *srcimp_mgr = atc->rsc_mgrs[SRCIMP];
489         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
490         struct sum_mgr *sum_mgr = atc->rsc_mgrs[SUM];
491         struct src_desc src_dsc = {0};
492         struct src *src = NULL;
493         struct srcimp_desc srcimp_dsc = {0};
494         struct srcimp *srcimp = NULL;
495         struct amixer_desc mix_dsc = {0};
496         struct sum_desc sum_dsc = {0};
497         unsigned int pitch = 0;
498         int multi = 0, err = 0, i = 0;
499         int n_srcimp = 0, n_amixer = 0, n_srcc = 0, n_sum = 0;
500         struct src_node_conf_t src_node_conf[2] = {{0} };
501
502         /* first release old resources */
503         atc->pcm_release_resources(atc, apcm);
504
505         /* The numbers of converting SRCs and SRCIMPs should be determined
506          * by pitch value. */
507
508         multi = apcm->substream->runtime->channels;
509
510         /* get pitch and convert to fixed-point 8.24 format. */
511         pitch = atc_get_pitch((atc->rsr * atc->msr),
512                                 apcm->substream->runtime->rate);
513
514         setup_src_node_conf(atc, apcm, src_node_conf, &n_srcc);
515         n_sum = (1 == multi) ? 1 : 0;
516         n_amixer += n_sum * 2 + n_srcc;
517         n_srcimp += n_srcc;
518         if ((multi > 1) && (0x8000000 >= pitch)) {
519                 /* Need extra AMIXERs and SRCIMPs for special treatment
520                  * of interleaved recording of conjugate channels */
521                 n_amixer += multi * atc->msr;
522                 n_srcimp += multi * atc->msr;
523         } else {
524                 n_srcimp += multi;
525         }
526
527         if (n_srcc) {
528                 apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
529                 if (NULL == apcm->srccs)
530                         return -ENOMEM;
531         }
532         if (n_amixer) {
533                 apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
534                 if (NULL == apcm->amixers) {
535                         err = -ENOMEM;
536                         goto error1;
537                 }
538         }
539         apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
540         if (NULL == apcm->srcimps) {
541                 err = -ENOMEM;
542                 goto error1;
543         }
544
545         /* Allocate SRCs for sample rate conversion if needed */
546         src_dsc.multi = 1;
547         src_dsc.mode = ARCRW;
548         for (i = 0, apcm->n_srcc = 0; i < n_srcc; i++) {
549                 src_dsc.msr = src_node_conf[i/multi].msr;
550                 err = src_mgr->get_src(src_mgr, &src_dsc,
551                                         (struct src **)&apcm->srccs[i]);
552                 if (err)
553                         goto error1;
554
555                 src = apcm->srccs[i];
556                 pitch = src_node_conf[i/multi].pitch;
557                 src->ops->set_pitch(src, pitch);
558                 src->ops->set_rom(src, select_rom(pitch));
559                 src->ops->set_vo(src, src_node_conf[i/multi].vo);
560
561                 apcm->n_srcc++;
562         }
563
564         /* Allocate AMIXERs for routing SRCs of conversion if needed */
565         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
566                 if (i < (n_sum*2))
567                         mix_dsc.msr = atc->msr;
568                 else if (i < (n_sum*2+n_srcc))
569                         mix_dsc.msr = src_node_conf[(i-n_sum*2)/multi].mix_msr;
570                 else
571                         mix_dsc.msr = 1;
572
573                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
574                                         (struct amixer **)&apcm->amixers[i]);
575                 if (err)
576                         goto error1;
577
578                 apcm->n_amixer++;
579         }
580
581         /* Allocate a SUM resource to mix all input channels together */
582         sum_dsc.msr = atc->msr;
583         err = sum_mgr->get_sum(sum_mgr, &sum_dsc, (struct sum **)&apcm->mono);
584         if (err)
585                 goto error1;
586
587         pitch = atc_get_pitch((atc->rsr * atc->msr),
588                                 apcm->substream->runtime->rate);
589         /* Allocate SRCIMP resources */
590         for (i = 0, apcm->n_srcimp = 0; i < n_srcimp; i++) {
591                 if (i < (n_srcc))
592                         srcimp_dsc.msr = src_node_conf[i/multi].imp_msr;
593                 else if (1 == multi)
594                         srcimp_dsc.msr = (pitch <= 0x8000000) ? atc->msr : 1;
595                 else
596                         srcimp_dsc.msr = 1;
597
598                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc, &srcimp);
599                 if (err)
600                         goto error1;
601
602                 apcm->srcimps[i] = srcimp;
603                 apcm->n_srcimp++;
604         }
605
606         /* Allocate a SRC for writing data to host memory */
607         src_dsc.multi = apcm->substream->runtime->channels;
608         src_dsc.msr = 1;
609         src_dsc.mode = MEMWR;
610         err = src_mgr->get_src(src_mgr, &src_dsc, (struct src **)&apcm->src);
611         if (err)
612                 goto error1;
613
614         src = apcm->src;
615         src->ops->set_pitch(src, pitch);
616
617         /* Set up device virtual mem map */
618         err = ct_map_audio_buffer(atc, apcm);
619         if (err < 0)
620                 goto error1;
621
622         return 0;
623
624 error1:
625         atc_pcm_release_resources(atc, apcm);
626         return err;
627 }
628
629 static int atc_pcm_capture_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
630 {
631         struct src *src = NULL;
632         struct amixer *amixer = NULL;
633         struct srcimp *srcimp = NULL;
634         struct ct_mixer *mixer = atc->mixer;
635         struct sum *mono = NULL;
636         struct rsc *out_ports[8] = {NULL};
637         int err = 0, i = 0, j = 0, n_sum = 0, multi = 0;
638         unsigned int pitch = 0;
639         int mix_base = 0, imp_base = 0;
640
641         if (NULL != apcm->src) {
642                 /* Prepared pcm capture */
643                 return 0;
644         }
645
646         /* Get needed resources. */
647         err = atc_pcm_capture_get_resources(atc, apcm);
648         if (err)
649                 return err;
650
651         /* Connect resources */
652         mixer->get_output_ports(mixer, MIX_PCMO_FRONT,
653                                 &out_ports[0], &out_ports[1]);
654
655         multi = apcm->substream->runtime->channels;
656         if (1 == multi) {
657                 mono = apcm->mono;
658                 for (i = 0; i < 2; i++) {
659                         amixer = apcm->amixers[i];
660                         amixer->ops->setup(amixer, out_ports[i],
661                                                 MONO_SUM_SCALE, mono);
662                 }
663                 out_ports[0] = &mono->rsc;
664                 n_sum = 1;
665                 mix_base = n_sum * 2;
666         }
667
668         for (i = 0; i < apcm->n_srcc; i++) {
669                 src = apcm->srccs[i];
670                 srcimp = apcm->srcimps[imp_base+i];
671                 amixer = apcm->amixers[mix_base+i];
672                 srcimp->ops->map(srcimp, src, out_ports[i%multi]);
673                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
674                 out_ports[i%multi] = &amixer->rsc;
675         }
676
677         pitch = atc_get_pitch((atc->rsr * atc->msr),
678                                 apcm->substream->runtime->rate);
679
680         if ((multi > 1) && (pitch <= 0x8000000)) {
681                 /* Special connection for interleaved
682                  * recording with conjugate channels */
683                 for (i = 0; i < multi; i++) {
684                         out_ports[i]->ops->master(out_ports[i]);
685                         for (j = 0; j < atc->msr; j++) {
686                                 amixer = apcm->amixers[apcm->n_srcc+j*multi+i];
687                                 amixer->ops->set_input(amixer, out_ports[i]);
688                                 amixer->ops->set_scale(amixer, INIT_VOL);
689                                 amixer->ops->set_sum(amixer, NULL);
690                                 amixer->ops->commit_raw_write(amixer);
691                                 out_ports[i]->ops->next_conj(out_ports[i]);
692
693                                 srcimp = apcm->srcimps[apcm->n_srcc+j*multi+i];
694                                 srcimp->ops->map(srcimp, apcm->src,
695                                                         &amixer->rsc);
696                         }
697                 }
698         } else {
699                 for (i = 0; i < multi; i++) {
700                         srcimp = apcm->srcimps[apcm->n_srcc+i];
701                         srcimp->ops->map(srcimp, apcm->src, out_ports[i]);
702                 }
703         }
704
705         return 0;
706 }
707
708 static int atc_pcm_capture_start(struct ct_atc *atc, struct ct_atc_pcm *apcm)
709 {
710         struct src *src = NULL;
711         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
712         int i = 0, multi = 0;
713
714         if (apcm->started)
715                 return 0;
716
717         apcm->started = 1;
718         multi = apcm->substream->runtime->channels;
719         /* Set up converting SRCs */
720         for (i = 0; i < apcm->n_srcc; i++) {
721                 src = apcm->srccs[i];
722                 src->ops->set_pm(src, ((i%multi) != (multi-1)));
723                 src_mgr->src_disable(src_mgr, src);
724         }
725
726         /*  Set up recording SRC */
727         src = apcm->src;
728         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
729         src->ops->set_sa(src, apcm->vm_block->addr);
730         src->ops->set_la(src, apcm->vm_block->addr + apcm->vm_block->size);
731         src->ops->set_ca(src, apcm->vm_block->addr);
732         src_mgr->src_disable(src_mgr, src);
733
734         /* Disable relevant SRCs firstly */
735         src_mgr->commit_write(src_mgr);
736
737         /* Enable SRCs respectively */
738         for (i = 0; i < apcm->n_srcc; i++) {
739                 src = apcm->srccs[i];
740                 src->ops->set_state(src, SRC_STATE_RUN);
741                 src->ops->commit_write(src);
742                 src_mgr->src_enable_s(src_mgr, src);
743         }
744         src = apcm->src;
745         src->ops->set_bm(src, 1);
746         src->ops->set_state(src, SRC_STATE_RUN);
747         src->ops->commit_write(src);
748         src_mgr->src_enable_s(src_mgr, src);
749
750         /* Enable relevant SRCs synchronously */
751         src_mgr->commit_write(src_mgr);
752
753         return 0;
754 }
755
756 static int
757 atc_pcm_capture_position(struct ct_atc *atc, struct ct_atc_pcm *apcm)
758 {
759         struct src *src = apcm->src;
760
761         return src->ops->get_ca(src) - apcm->vm_block->addr;
762 }
763
764 static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
765                                                  struct ct_atc_pcm *apcm)
766 {
767         struct src_mgr *src_mgr = atc->rsc_mgrs[SRC];
768         struct amixer_mgr *amixer_mgr = atc->rsc_mgrs[AMIXER];
769         struct src_desc desc = {0};
770         struct amixer_desc mix_dsc = {0};
771         struct src *src = NULL;
772         int err = 0;
773         int n_amixer = apcm->substream->runtime->channels, i = 0;
774         unsigned int pitch = 0, rsr = atc->pll_rate;
775
776         /* first release old resources */
777         atc->pcm_release_resources(atc, apcm);
778
779         /* Get SRC resource */
780         desc.multi = apcm->substream->runtime->channels;
781         desc.msr = 1;
782         while (apcm->substream->runtime->rate > (rsr * desc.msr))
783                 desc.msr <<= 1;
784
785         desc.mode = MEMRD;
786         err = src_mgr->get_src(src_mgr, &desc, (struct src **)&apcm->src);
787         if (err)
788                 goto error1;
789
790         pitch = atc_get_pitch(apcm->substream->runtime->rate, (rsr * desc.msr));
791         src = apcm->src;
792         src->ops->set_pitch(src, pitch);
793         src->ops->set_rom(src, select_rom(pitch));
794         src->ops->set_sf(src, convert_format(apcm->substream->runtime->format));
795         src->ops->set_pm(src, (src->ops->next_interleave(src) != NULL));
796         src->ops->set_bp(src, 1);
797
798         /* Get AMIXER resource */
799         n_amixer = (n_amixer < 2) ? 2 : n_amixer;
800         apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
801         if (NULL == apcm->amixers) {
802                 err = -ENOMEM;
803                 goto error1;
804         }
805         mix_dsc.msr = desc.msr;
806         for (i = 0, apcm->n_amixer = 0; i < n_amixer; i++) {
807                 err = amixer_mgr->get_amixer(amixer_mgr, &mix_dsc,
808                                         (struct amixer **)&apcm->amixers[i]);
809                 if (err)
810                         goto error1;
811
812                 apcm->n_amixer++;
813         }
814
815         /* Set up device virtual mem map */
816         err = ct_map_audio_buffer(atc, apcm);
817         if (err < 0)
818                 goto error1;
819
820         return 0;
821
822 error1:
823         atc_pcm_release_resources(atc, apcm);
824         return err;
825 }
826
827 static int
828 spdif_passthru_playback_setup(struct ct_atc *atc, struct ct_atc_pcm *apcm)
829 {
830         struct dao *dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
831         unsigned long flags;
832         unsigned int rate = apcm->substream->runtime->rate;
833         unsigned int status = 0;
834         int err = 0;
835         unsigned char iec958_con_fs = 0;
836
837         switch (rate) {
838         case 48000:
839                 iec958_con_fs = IEC958_AES3_CON_FS_48000;
840                 break;
841         case 44100:
842                 iec958_con_fs = IEC958_AES3_CON_FS_44100;
843                 break;
844         case 32000:
845                 iec958_con_fs = IEC958_AES3_CON_FS_32000;
846                 break;
847         default:
848                 return -ENOENT;
849         }
850
851         spin_lock_irqsave(&atc->atc_lock, flags);
852         dao->ops->get_spos(dao, &status);
853         if (((status >> 24) & IEC958_AES3_CON_FS) != iec958_con_fs) {
854                 status &= ((~IEC958_AES3_CON_FS) << 24);
855                 status |= (iec958_con_fs << 24);
856                 dao->ops->set_spos(dao, status);
857                 dao->ops->commit_write(dao);
858         }
859         if ((rate != atc->pll_rate) && (32000 != rate)) {
860                 err = ((struct hw *)atc->hw)->pll_init(atc->hw, rate);
861                 atc->pll_rate = err ? 0 : rate;
862         }
863         spin_unlock_irqrestore(&atc->atc_lock, flags);
864
865         return err;
866 }
867
868 static int
869 spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
870 {
871         struct src *src = NULL;
872         struct amixer *amixer = NULL;
873         struct dao *dao = NULL;
874         int err = 0;
875         int i = 0;
876         unsigned long flags;
877
878         if (NULL != apcm->src)
879                 return 0;
880
881         /* Configure SPDIFOO and PLL to passthrough mode;
882          * determine pll_rate. */
883         err = spdif_passthru_playback_setup(atc, apcm);
884         if (err)
885                 return err;
886
887         /* Get needed resources. */
888         err = spdif_passthru_playback_get_resources(atc, apcm);
889         if (err)
890                 return err;
891
892         /* Connect resources */
893         src = apcm->src;
894         for (i = 0; i < apcm->n_amixer; i++) {
895                 amixer = apcm->amixers[i];
896                 amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
897                 src = src->ops->next_interleave(src);
898                 if (NULL == src)
899                         src = apcm->src;
900         }
901         /* Connect to SPDIFOO */
902         spin_lock_irqsave(&atc->atc_lock, flags);
903         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
904         amixer = apcm->amixers[0];
905         dao->ops->set_left_input(dao, &amixer->rsc);
906         amixer = apcm->amixers[1];
907         dao->ops->set_right_input(dao, &amixer->rsc);
908         spin_unlock_irqrestore(&atc->atc_lock, flags);
909
910         return 0;
911 }
912
913 static int atc_select_line_in(struct ct_atc *atc)
914 {
915         struct hw *hw = atc->hw;
916         struct ct_mixer *mixer = atc->mixer;
917         struct src *src = NULL;
918
919         if (hw->is_adc_source_selected(hw, ADC_LINEIN))
920                 return 0;
921
922         mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
923         mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
924
925         hw->select_adc_source(hw, ADC_LINEIN);
926
927         src = atc->srcs[2];
928         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
929         src = atc->srcs[3];
930         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
931
932         return 0;
933 }
934
935 static int atc_select_mic_in(struct ct_atc *atc)
936 {
937         struct hw *hw = atc->hw;
938         struct ct_mixer *mixer = atc->mixer;
939         struct src *src = NULL;
940
941         if (hw->is_adc_source_selected(hw, ADC_MICIN))
942                 return 0;
943
944         mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
945         mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
946
947         hw->select_adc_source(hw, ADC_MICIN);
948
949         src = atc->srcs[2];
950         mixer->set_input_left(mixer, MIX_MIC_IN, &src->rsc);
951         src = atc->srcs[3];
952         mixer->set_input_right(mixer, MIX_MIC_IN, &src->rsc);
953
954         return 0;
955 }
956
957 static int atc_have_digit_io_switch(struct ct_atc *atc)
958 {
959         struct hw *hw = atc->hw;
960
961         return hw->have_digit_io_switch(hw);
962 }
963
964 static int atc_select_digit_io(struct ct_atc *atc)
965 {
966         struct hw *hw = atc->hw;
967
968         if (hw->is_adc_source_selected(hw, ADC_NONE))
969                 return 0;
970
971         hw->select_adc_source(hw, ADC_NONE);
972
973         return 0;
974 }
975
976 static int atc_daio_unmute(struct ct_atc *atc, unsigned char state, int type)
977 {
978         struct daio_mgr *daio_mgr = atc->rsc_mgrs[DAIO];
979
980         if (state)
981                 daio_mgr->daio_enable(daio_mgr, atc->daios[type]);
982         else
983                 daio_mgr->daio_disable(daio_mgr, atc->daios[type]);
984
985         daio_mgr->commit_write(daio_mgr);
986
987         return 0;
988 }
989
990 static int
991 atc_dao_get_status(struct ct_atc *atc, unsigned int *status, int type)
992 {
993         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
994         return dao->ops->get_spos(dao, status);
995 }
996
997 static int
998 atc_dao_set_status(struct ct_atc *atc, unsigned int status, int type)
999 {
1000         struct dao *dao = container_of(atc->daios[type], struct dao, daio);
1001
1002         dao->ops->set_spos(dao, status);
1003         dao->ops->commit_write(dao);
1004         return 0;
1005 }
1006
1007 static int atc_line_front_unmute(struct ct_atc *atc, unsigned char state)
1008 {
1009         return atc_daio_unmute(atc, state, LINEO1);
1010 }
1011
1012 static int atc_line_surround_unmute(struct ct_atc *atc, unsigned char state)
1013 {
1014         return atc_daio_unmute(atc, state, LINEO4);
1015 }
1016
1017 static int atc_line_clfe_unmute(struct ct_atc *atc, unsigned char state)
1018 {
1019         return atc_daio_unmute(atc, state, LINEO3);
1020 }
1021
1022 static int atc_line_rear_unmute(struct ct_atc *atc, unsigned char state)
1023 {
1024         return atc_daio_unmute(atc, state, LINEO2);
1025 }
1026
1027 static int atc_line_in_unmute(struct ct_atc *atc, unsigned char state)
1028 {
1029         return atc_daio_unmute(atc, state, LINEIM);
1030 }
1031
1032 static int atc_spdif_out_unmute(struct ct_atc *atc, unsigned char state)
1033 {
1034         return atc_daio_unmute(atc, state, SPDIFOO);
1035 }
1036
1037 static int atc_spdif_in_unmute(struct ct_atc *atc, unsigned char state)
1038 {
1039         return atc_daio_unmute(atc, state, SPDIFIO);
1040 }
1041
1042 static int atc_spdif_out_get_status(struct ct_atc *atc, unsigned int *status)
1043 {
1044         return atc_dao_get_status(atc, status, SPDIFOO);
1045 }
1046
1047 static int atc_spdif_out_set_status(struct ct_atc *atc, unsigned int status)
1048 {
1049         return atc_dao_set_status(atc, status, SPDIFOO);
1050 }
1051
1052 static int atc_spdif_out_passthru(struct ct_atc *atc, unsigned char state)
1053 {
1054         unsigned long flags;
1055         struct dao_desc da_dsc = {0};
1056         struct dao *dao = NULL;
1057         int err = 0;
1058         struct ct_mixer *mixer = atc->mixer;
1059         struct rsc *rscs[2] = {NULL};
1060         unsigned int spos = 0;
1061
1062         spin_lock_irqsave(&atc->atc_lock, flags);
1063         dao = container_of(atc->daios[SPDIFOO], struct dao, daio);
1064         da_dsc.msr = state ? 1 : atc->msr;
1065         da_dsc.passthru = state ? 1 : 0;
1066         err = dao->ops->reinit(dao, &da_dsc);
1067         if (state) {
1068                 spos = IEC958_DEFAULT_CON;
1069         } else {
1070                 mixer->get_output_ports(mixer, MIX_SPDIF_OUT,
1071                                         &rscs[0], &rscs[1]);
1072                 dao->ops->set_left_input(dao, rscs[0]);
1073                 dao->ops->set_right_input(dao, rscs[1]);
1074                 /* Restore PLL to atc->rsr if needed. */
1075                 if (atc->pll_rate != atc->rsr) {
1076                         err = ((struct hw *)atc->hw)->pll_init(atc->hw,
1077                                                                atc->rsr);
1078                         atc->pll_rate = err ? 0 : atc->rsr;
1079                 }
1080         }
1081         dao->ops->set_spos(dao, spos);
1082         dao->ops->commit_write(dao);
1083         spin_unlock_irqrestore(&atc->atc_lock, flags);
1084
1085         return err;
1086 }
1087
1088 static int ct_atc_destroy(struct ct_atc *atc)
1089 {
1090         struct daio_mgr *daio_mgr = NULL;
1091         struct dao *dao = NULL;
1092         struct dai *dai = NULL;
1093         struct daio *daio = NULL;
1094         struct sum_mgr *sum_mgr = NULL;
1095         struct src_mgr *src_mgr = NULL;
1096         struct srcimp_mgr *srcimp_mgr = NULL;
1097         struct srcimp *srcimp = NULL;
1098         struct ct_mixer *mixer = NULL;
1099         int i = 0;
1100
1101         if (NULL == atc)
1102                 return 0;
1103
1104         /* Stop hardware and disable all interrupts */
1105         if (NULL != atc->hw)
1106                 ((struct hw *)atc->hw)->card_stop(atc->hw);
1107
1108         /* Destroy internal mixer objects */
1109         if (NULL != atc->mixer) {
1110                 mixer = atc->mixer;
1111                 mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
1112                 mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
1113                 mixer->set_input_left(mixer, MIX_MIC_IN, NULL);
1114                 mixer->set_input_right(mixer, MIX_MIC_IN, NULL);
1115                 mixer->set_input_left(mixer, MIX_SPDIF_IN, NULL);
1116                 mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
1117                 ct_mixer_destroy(atc->mixer);
1118         }
1119
1120         if (NULL != atc->daios) {
1121                 daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1122                 for (i = 0; i < atc->n_daio; i++) {
1123                         daio = atc->daios[i];
1124                         if (daio->type < LINEIM) {
1125                                 dao = container_of(daio, struct dao, daio);
1126                                 dao->ops->clear_left_input(dao);
1127                                 dao->ops->clear_right_input(dao);
1128                         } else {
1129                                 dai = container_of(daio, struct dai, daio);
1130                                 /* some thing to do for dai ... */
1131                         }
1132                         daio_mgr->put_daio(daio_mgr, daio);
1133                 }
1134                 kfree(atc->daios);
1135         }
1136
1137         if (NULL != atc->pcm) {
1138                 sum_mgr = atc->rsc_mgrs[SUM];
1139                 for (i = 0; i < atc->n_pcm; i++)
1140                         sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
1141
1142                 kfree(atc->pcm);
1143         }
1144
1145         if (NULL != atc->srcs) {
1146                 src_mgr = atc->rsc_mgrs[SRC];
1147                 for (i = 0; i < atc->n_src; i++)
1148                         src_mgr->put_src(src_mgr, atc->srcs[i]);
1149
1150                 kfree(atc->srcs);
1151         }
1152
1153         if (NULL != atc->srcimps) {
1154                 srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1155                 for (i = 0; i < atc->n_srcimp; i++) {
1156                         srcimp = atc->srcimps[i];
1157                         srcimp->ops->unmap(srcimp);
1158                         srcimp_mgr->put_srcimp(srcimp_mgr, atc->srcimps[i]);
1159                 }
1160                 kfree(atc->srcimps);
1161         }
1162
1163         for (i = 0; i < NUM_RSCTYP; i++) {
1164                 if ((NULL != rsc_mgr_funcs[i].destroy) &&
1165                     (NULL != atc->rsc_mgrs[i]))
1166                         rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
1167
1168         }
1169
1170         if (NULL != atc->hw)
1171                 destroy_hw_obj((struct hw *)atc->hw);
1172
1173         /* Destroy device virtual memory manager object */
1174         if (NULL != atc->vm) {
1175                 ct_vm_destroy(atc->vm);
1176                 atc->vm = NULL;
1177         }
1178
1179         kfree(atc);
1180
1181         return 0;
1182 }
1183
1184 static int atc_dev_free(struct snd_device *dev)
1185 {
1186         struct ct_atc *atc = dev->device_data;
1187         return ct_atc_destroy(atc);
1188 }
1189
1190 static int atc_identify_card(struct ct_atc *atc)
1191 {
1192         u16 subsys;
1193         u8 revision;
1194         struct pci_dev *pci = atc->pci;
1195         const struct ct_atc_chip_details *d;
1196         enum CTCARDS i;
1197
1198         subsys = pci->subsystem_device;
1199         revision = pci->revision;
1200         atc->chip_details = NULL;
1201         atc->model = NUM_CTCARDS;
1202         for (d = atc_chip_details; d->vendor; d++) {
1203                 if (d->vendor != pci->vendor || d->device != pci->device)
1204                         continue;
1205
1206                 if (NULL == d->sub_details) {
1207                         atc->chip_details = d;
1208                         break;
1209                 }
1210                 for (i = 0; i < NUM_CTCARDS; i++) {
1211                         if ((d->sub_details[i].subsys == subsys) ||
1212                             (((subsys & 0x6000) == 0x6000) &&
1213                             ((d->sub_details[i].subsys & 0x6000) == 0x6000))) {
1214                                 atc->model = i;
1215                                 break;
1216                         }
1217                 }
1218                 if (i >= NUM_CTCARDS)
1219                         continue;
1220
1221                 atc->chip_details = d;
1222                 break;
1223                 /* not take revision into consideration now */
1224         }
1225         if (!d->vendor)
1226                 return -ENOENT;
1227
1228         return 0;
1229 }
1230
1231 static int ct_create_alsa_devs(struct ct_atc *atc)
1232 {
1233         enum CTALSADEVS i;
1234         struct hw *hw = atc->hw;
1235         int err;
1236
1237         switch (hw->get_chip_type(hw)) {
1238         case ATC20K1:
1239                 alsa_dev_funcs[MIXER].public_name = "20K1";
1240                 break;
1241         case ATC20K2:
1242                 alsa_dev_funcs[MIXER].public_name = "20K2";
1243                 break;
1244         default:
1245                 alsa_dev_funcs[MIXER].public_name = "Unknown";
1246                 break;
1247         }
1248
1249         for (i = 0; i < NUM_CTALSADEVS; i++) {
1250                 if (NULL == alsa_dev_funcs[i].create)
1251                         continue;
1252
1253                 err = alsa_dev_funcs[i].create(atc, i,
1254                                 alsa_dev_funcs[i].public_name);
1255                 if (err) {
1256                         printk(KERN_ERR "ctxfi: "
1257                                "Creating alsa device %d failed!\n", i);
1258                         return err;
1259                 }
1260         }
1261
1262         return 0;
1263 }
1264
1265 static int atc_create_hw_devs(struct ct_atc *atc)
1266 {
1267         struct hw *hw = NULL;
1268         struct card_conf info = {0};
1269         int i = 0, err = 0;
1270
1271         err = create_hw_obj(atc->pci, &hw);
1272         if (err) {
1273                 printk(KERN_ERR "Failed to create hw obj!!!\n");
1274                 return err;
1275         }
1276         atc->hw = hw;
1277
1278         /* Initialize card hardware. */
1279         info.rsr = atc->rsr;
1280         info.msr = atc->msr;
1281         info.vm_pgt_phys = atc_get_ptp_phys(atc, 0);
1282         err = hw->card_init(hw, &info);
1283         if (err < 0)
1284                 return err;
1285
1286         for (i = 0; i < NUM_RSCTYP; i++) {
1287                 if (NULL == rsc_mgr_funcs[i].create)
1288                         continue;
1289
1290                 err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
1291                 if (err) {
1292                         printk(KERN_ERR "ctxfi: "
1293                                "Failed to create rsc_mgr %d!!!\n", i);
1294                         return err;
1295                 }
1296         }
1297
1298         return 0;
1299 }
1300
1301 static int atc_get_resources(struct ct_atc *atc)
1302 {
1303         struct daio_desc da_desc = {0};
1304         struct daio_mgr *daio_mgr = NULL;
1305         struct src_desc src_dsc = {0};
1306         struct src_mgr *src_mgr = NULL;
1307         struct srcimp_desc srcimp_dsc = {0};
1308         struct srcimp_mgr *srcimp_mgr = NULL;
1309         struct sum_desc sum_dsc = {0};
1310         struct sum_mgr *sum_mgr = NULL;
1311         int err = 0, i = 0;
1312         unsigned short subsys_id;
1313
1314         atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
1315         if (NULL == atc->daios)
1316                 return -ENOMEM;
1317
1318         atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1319         if (NULL == atc->srcs)
1320                 return -ENOMEM;
1321
1322         atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
1323         if (NULL == atc->srcimps)
1324                 return -ENOMEM;
1325
1326         atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
1327         if (NULL == atc->pcm)
1328                 return -ENOMEM;
1329
1330         daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
1331         da_desc.msr = atc->msr;
1332         for (i = 0, atc->n_daio = 0; i < DAIONUM-1; i++) {
1333                 da_desc.type = i;
1334                 err = daio_mgr->get_daio(daio_mgr, &da_desc,
1335                                         (struct daio **)&atc->daios[i]);
1336                 if (err) {
1337                         printk(KERN_ERR "ctxfi: Failed to get DAIO "
1338                                         "resource %d!!!\n", i);
1339                         return err;
1340                 }
1341                 atc->n_daio++;
1342         }
1343         subsys_id = atc->pci->subsystem_device;
1344         if ((subsys_id == 0x0029) || (subsys_id == 0x0031)) {
1345                 /* SB073x cards */
1346                 da_desc.type = SPDIFI1;
1347         } else {
1348                 da_desc.type = SPDIFIO;
1349         }
1350         err = daio_mgr->get_daio(daio_mgr, &da_desc,
1351                                 (struct daio **)&atc->daios[i]);
1352         if (err) {
1353                 printk(KERN_ERR "ctxfi: Failed to get S/PDIF-in resource!!!\n");
1354                 return err;
1355         }
1356         atc->n_daio++;
1357
1358         src_mgr = atc->rsc_mgrs[SRC];
1359         src_dsc.multi = 1;
1360         src_dsc.msr = atc->msr;
1361         src_dsc.mode = ARCRW;
1362         for (i = 0, atc->n_src = 0; i < (2*2); i++) {
1363                 err = src_mgr->get_src(src_mgr, &src_dsc,
1364                                         (struct src **)&atc->srcs[i]);
1365                 if (err)
1366                         return err;
1367
1368                 atc->n_src++;
1369         }
1370
1371         srcimp_mgr = atc->rsc_mgrs[SRCIMP];
1372         srcimp_dsc.msr = 8; /* SRCIMPs for S/PDIFIn SRT */
1373         for (i = 0, atc->n_srcimp = 0; i < (2*1); i++) {
1374                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1375                                         (struct srcimp **)&atc->srcimps[i]);
1376                 if (err)
1377                         return err;
1378
1379                 atc->n_srcimp++;
1380         }
1381         srcimp_dsc.msr = 8; /* SRCIMPs for LINE/MICIn SRT */
1382         for (i = 0; i < (2*1); i++) {
1383                 err = srcimp_mgr->get_srcimp(srcimp_mgr, &srcimp_dsc,
1384                                 (struct srcimp **)&atc->srcimps[2*1+i]);
1385                 if (err)
1386                         return err;
1387
1388                 atc->n_srcimp++;
1389         }
1390
1391         sum_mgr = atc->rsc_mgrs[SUM];
1392         sum_dsc.msr = atc->msr;
1393         for (i = 0, atc->n_pcm = 0; i < (2*4); i++) {
1394                 err = sum_mgr->get_sum(sum_mgr, &sum_dsc,
1395                                         (struct sum **)&atc->pcm[i]);
1396                 if (err)
1397                         return err;
1398
1399                 atc->n_pcm++;
1400         }
1401
1402         err = ct_mixer_create(atc, (struct ct_mixer **)&atc->mixer);
1403         if (err) {
1404                 printk(KERN_ERR "ctxfi: Failed to create mixer obj!!!\n");
1405                 return err;
1406         }
1407
1408         return 0;
1409 }
1410
1411 static void
1412 atc_connect_dai(struct src_mgr *src_mgr, struct dai *dai,
1413                 struct src **srcs, struct srcimp **srcimps)
1414 {
1415         struct rsc *rscs[2] = {NULL};
1416         struct src *src = NULL;
1417         struct srcimp *srcimp = NULL;
1418         int i = 0;
1419
1420         rscs[0] = &dai->daio.rscl;
1421         rscs[1] = &dai->daio.rscr;
1422         for (i = 0; i < 2; i++) {
1423                 src = srcs[i];
1424                 srcimp = srcimps[i];
1425                 srcimp->ops->map(srcimp, src, rscs[i]);
1426                 src_mgr->src_disable(src_mgr, src);
1427         }
1428
1429         src_mgr->commit_write(src_mgr); /* Actually disable SRCs */
1430
1431         src = srcs[0];
1432         src->ops->set_pm(src, 1);
1433         for (i = 0; i < 2; i++) {
1434                 src = srcs[i];
1435                 src->ops->set_state(src, SRC_STATE_RUN);
1436                 src->ops->commit_write(src);
1437                 src_mgr->src_enable_s(src_mgr, src);
1438         }
1439
1440         dai->ops->set_srt_srcl(dai, &(srcs[0]->rsc));
1441         dai->ops->set_srt_srcr(dai, &(srcs[1]->rsc));
1442
1443         dai->ops->set_enb_src(dai, 1);
1444         dai->ops->set_enb_srt(dai, 1);
1445         dai->ops->commit_write(dai);
1446
1447         src_mgr->commit_write(src_mgr); /* Synchronously enable SRCs */
1448 }
1449
1450 static void atc_connect_resources(struct ct_atc *atc)
1451 {
1452         struct dai *dai = NULL;
1453         struct dao *dao = NULL;
1454         struct src *src = NULL;
1455         struct sum *sum = NULL;
1456         struct ct_mixer *mixer = NULL;
1457         struct rsc *rscs[2] = {NULL};
1458         int i = 0, j = 0;
1459
1460         mixer = atc->mixer;
1461
1462         for (i = MIX_WAVE_FRONT, j = LINEO1; i <= MIX_SPDIF_OUT; i++, j++) {
1463                 mixer->get_output_ports(mixer, i, &rscs[0], &rscs[1]);
1464                 dao = container_of(atc->daios[j], struct dao, daio);
1465                 dao->ops->set_left_input(dao, rscs[0]);
1466                 dao->ops->set_right_input(dao, rscs[1]);
1467         }
1468
1469         dai = container_of(atc->daios[LINEIM], struct dai, daio);
1470         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1471                         (struct src **)&atc->srcs[2],
1472                         (struct srcimp **)&atc->srcimps[2]);
1473         src = atc->srcs[2];
1474         mixer->set_input_left(mixer, MIX_LINE_IN, &src->rsc);
1475         src = atc->srcs[3];
1476         mixer->set_input_right(mixer, MIX_LINE_IN, &src->rsc);
1477
1478         dai = container_of(atc->daios[SPDIFIO], struct dai, daio);
1479         atc_connect_dai(atc->rsc_mgrs[SRC], dai,
1480                         (struct src **)&atc->srcs[0],
1481                         (struct srcimp **)&atc->srcimps[0]);
1482
1483         src = atc->srcs[0];
1484         mixer->set_input_left(mixer, MIX_SPDIF_IN, &src->rsc);
1485         src = atc->srcs[1];
1486         mixer->set_input_right(mixer, MIX_SPDIF_IN, &src->rsc);
1487
1488         for (i = MIX_PCMI_FRONT, j = 0; i <= MIX_PCMI_SURROUND; i++, j += 2) {
1489                 sum = atc->pcm[j];
1490                 mixer->set_input_left(mixer, i, &sum->rsc);
1491                 sum = atc->pcm[j+1];
1492                 mixer->set_input_right(mixer, i, &sum->rsc);
1493         }
1494 }
1495
1496 static void atc_set_ops(struct ct_atc *atc)
1497 {
1498         /* Set operations */
1499         atc->map_audio_buffer = ct_map_audio_buffer;
1500         atc->unmap_audio_buffer = ct_unmap_audio_buffer;
1501         atc->pcm_playback_prepare = atc_pcm_playback_prepare;
1502         atc->pcm_release_resources = atc_pcm_release_resources;
1503         atc->pcm_playback_start = atc_pcm_playback_start;
1504         atc->pcm_playback_stop = atc_pcm_stop;
1505         atc->pcm_playback_position = atc_pcm_playback_position;
1506         atc->pcm_capture_prepare = atc_pcm_capture_prepare;
1507         atc->pcm_capture_start = atc_pcm_capture_start;
1508         atc->pcm_capture_stop = atc_pcm_stop;
1509         atc->pcm_capture_position = atc_pcm_capture_position;
1510         atc->spdif_passthru_playback_prepare = spdif_passthru_playback_prepare;
1511         atc->get_ptp_phys = atc_get_ptp_phys;
1512         atc->select_line_in = atc_select_line_in;
1513         atc->select_mic_in = atc_select_mic_in;
1514         atc->select_digit_io = atc_select_digit_io;
1515         atc->line_front_unmute = atc_line_front_unmute;
1516         atc->line_surround_unmute = atc_line_surround_unmute;
1517         atc->line_clfe_unmute = atc_line_clfe_unmute;
1518         atc->line_rear_unmute = atc_line_rear_unmute;
1519         atc->line_in_unmute = atc_line_in_unmute;
1520         atc->spdif_out_unmute = atc_spdif_out_unmute;
1521         atc->spdif_in_unmute = atc_spdif_in_unmute;
1522         atc->spdif_out_get_status = atc_spdif_out_get_status;
1523         atc->spdif_out_set_status = atc_spdif_out_set_status;
1524         atc->spdif_out_passthru = atc_spdif_out_passthru;
1525         atc->have_digit_io_switch = atc_have_digit_io_switch;
1526 }
1527
1528 /**
1529  *  ct_atc_create - create and initialize a hardware manager
1530  *  @card: corresponding alsa card object
1531  *  @pci: corresponding kernel pci device object
1532  *  @ratc: return created object address in it
1533  *
1534  *  Creates and initializes a hardware manager.
1535  *
1536  *  Creates kmallocated ct_atc structure. Initializes hardware.
1537  *  Returns 0 if suceeds, or negative error code if fails.
1538  */
1539
1540 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
1541                   unsigned int rsr, unsigned int msr, struct ct_atc **ratc)
1542 {
1543         struct ct_atc *atc = NULL;
1544         static struct snd_device_ops ops = {
1545                 .dev_free = atc_dev_free,
1546         };
1547         int err = 0;
1548
1549         *ratc = NULL;
1550
1551         atc = kzalloc(sizeof(*atc), GFP_KERNEL);
1552         if (NULL == atc)
1553                 return -ENOMEM;
1554
1555         atc->card = card;
1556         atc->pci = pci;
1557         atc->rsr = rsr;
1558         atc->msr = msr;
1559
1560         /* Set operations */
1561         atc_set_ops(atc);
1562
1563         spin_lock_init(&atc->atc_lock);
1564
1565         /* Find card model */
1566         err = atc_identify_card(atc);
1567         if (err < 0) {
1568                 printk(KERN_ERR "ctatc: Card not recognised\n");
1569                 goto error1;
1570         }
1571
1572         /* Set up device virtual memory management object */
1573         err = ct_vm_create(&atc->vm);
1574         if (err < 0)
1575                 goto error1;
1576
1577         /* Create all atc hw devices */
1578         err = atc_create_hw_devs(atc);
1579         if (err < 0)
1580                 goto error1;
1581
1582         /* Get resources */
1583         err = atc_get_resources(atc);
1584         if (err < 0)
1585                 goto error1;
1586
1587         /* Build topology */
1588         atc_connect_resources(atc);
1589
1590         atc->create_alsa_devs = ct_create_alsa_devs;
1591
1592         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, atc, &ops);
1593         if (err < 0)
1594                 goto error1;
1595
1596         snd_card_set_dev(card, &pci->dev);
1597
1598         *ratc = atc;
1599         return 0;
1600
1601 error1:
1602         ct_atc_destroy(atc);
1603         printk(KERN_ERR "ctxfi: Something wrong!!!\n");
1604         return err;
1605 }
1606