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[mirror_ubuntu-artful-kernel.git] / sound / pci / asihpi / asihpi.c
1 /*
2 * Asihpi soundcard
3 * Copyright (c) by AudioScience Inc <alsa@audioscience.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 *
19 * The following is not a condition of use, merely a request:
20 * If you modify this program, particularly if you fix errors, AudioScience Inc
21 * would appreciate it if you grant us the right to use those modifications
22 * for any purpose including commercial applications.
23 */
24
25 #include "hpi_internal.h"
26 #include "hpimsginit.h"
27 #include "hpioctl.h"
28
29 #include <linux/pci.h>
30 #include <linux/version.h>
31 #include <linux/init.h>
32 #include <linux/jiffies.h>
33 #include <linux/slab.h>
34 #include <linux/time.h>
35 #include <linux/wait.h>
36 #include <sound/core.h>
37 #include <sound/control.h>
38 #include <sound/pcm.h>
39 #include <sound/pcm_params.h>
40 #include <sound/info.h>
41 #include <sound/initval.h>
42 #include <sound/tlv.h>
43 #include <sound/hwdep.h>
44
45 MODULE_LICENSE("GPL");
46 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
47 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx");
48
49 #if defined CONFIG_SND_DEBUG_VERBOSE
50 /**
51 * snd_printddd - very verbose debug printk
52 * @format: format string
53 *
54 * Works like snd_printk() for debugging purposes.
55 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
56 * Must set snd module debug parameter to 3 to enable at runtime.
57 */
58 #define snd_printddd(format, args...) \
59 __snd_printk(3, __FILE__, __LINE__, format, ##args)
60 #else
61 #define snd_printddd(format, args...) do { } while (0)
62 #endif
63
64 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
65 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
66 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
67 static int enable_hpi_hwdep = 1;
68
69 module_param_array(index, int, NULL, S_IRUGO);
70 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
71
72 module_param_array(id, charp, NULL, S_IRUGO);
73 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
74
75 module_param_array(enable, bool, NULL, S_IRUGO);
76 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
77
78 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(enable_hpi_hwdep,
80 "ALSA enable HPI hwdep for AudioScience soundcard ");
81
82 /* identify driver */
83 #ifdef KERNEL_ALSA_BUILD
84 static char *build_info = "Built using headers from kernel source";
85 module_param(build_info, charp, S_IRUGO);
86 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
87 #else
88 static char *build_info = "Built within ALSA source";
89 module_param(build_info, charp, S_IRUGO);
90 MODULE_PARM_DESC(build_info, "built within ALSA source");
91 #endif
92
93 /* set to 1 to dump every control from adapter to log */
94 static const int mixer_dump;
95
96 #define DEFAULT_SAMPLERATE 44100
97 static int adapter_fs = DEFAULT_SAMPLERATE;
98
99 /* defaults */
100 #define PERIODS_MIN 2
101 #define PERIOD_BYTES_MIN 2048
102 #define BUFFER_BYTES_MAX (512 * 1024)
103
104 /* convert stream to character */
105 #define SCHR(s) ((s == SNDRV_PCM_STREAM_PLAYBACK) ? 'P' : 'C')
106
107 /*#define TIMER_MILLISECONDS 20
108 #define FORCE_TIMER_JIFFIES ((TIMER_MILLISECONDS * HZ + 999)/1000)
109 */
110
111 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
112
113 struct clk_source {
114 int source;
115 int index;
116 char *name;
117 };
118
119 struct clk_cache {
120 int count;
121 int has_local;
122 struct clk_source s[MAX_CLOCKSOURCES];
123 };
124
125 /* Per card data */
126 struct snd_card_asihpi {
127 struct snd_card *card;
128 struct pci_dev *pci;
129 u16 adapter_index;
130 u32 serial_number;
131 u16 type;
132 u16 version;
133 u16 num_outstreams;
134 u16 num_instreams;
135
136 u32 h_mixer;
137 struct clk_cache cc;
138
139 u16 support_mmap;
140 u16 support_grouping;
141 u16 support_mrx;
142 u16 update_interval_frames;
143 u16 in_max_chans;
144 u16 out_max_chans;
145 };
146
147 /* Per stream data */
148 struct snd_card_asihpi_pcm {
149 struct timer_list timer;
150 unsigned int respawn_timer;
151 unsigned int hpi_buffer_attached;
152 unsigned int buffer_bytes;
153 unsigned int period_bytes;
154 unsigned int bytes_per_sec;
155 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
156 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */
157 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */
158 struct snd_pcm_substream *substream;
159 u32 h_stream;
160 struct hpi_format format;
161 };
162
163 /* universal stream verbs work with out or in stream handles */
164
165 /* Functions to allow driver to give a buffer to HPI for busmastering */
166
167 static u16 hpi_stream_host_buffer_attach(
168 u32 h_stream, /* handle to outstream. */
169 u32 size_in_bytes, /* size in bytes of bus mastering buffer */
170 u32 pci_address
171 )
172 {
173 struct hpi_message hm;
174 struct hpi_response hr;
175 unsigned int obj = hpi_handle_object(h_stream);
176
177 if (!h_stream)
178 return HPI_ERROR_INVALID_OBJ;
179 hpi_init_message_response(&hm, &hr, obj,
180 obj == HPI_OBJ_OSTREAM ?
181 HPI_OSTREAM_HOSTBUFFER_ALLOC :
182 HPI_ISTREAM_HOSTBUFFER_ALLOC);
183
184 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
185 &hm.obj_index);
186
187 hm.u.d.u.buffer.buffer_size = size_in_bytes;
188 hm.u.d.u.buffer.pci_address = pci_address;
189 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
190 hpi_send_recv(&hm, &hr);
191 return hr.error;
192 }
193
194 static u16 hpi_stream_host_buffer_detach(u32 h_stream)
195 {
196 struct hpi_message hm;
197 struct hpi_response hr;
198 unsigned int obj = hpi_handle_object(h_stream);
199
200 if (!h_stream)
201 return HPI_ERROR_INVALID_OBJ;
202
203 hpi_init_message_response(&hm, &hr, obj,
204 obj == HPI_OBJ_OSTREAM ?
205 HPI_OSTREAM_HOSTBUFFER_FREE :
206 HPI_ISTREAM_HOSTBUFFER_FREE);
207
208 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
209 &hm.obj_index);
210 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
211 hpi_send_recv(&hm, &hr);
212 return hr.error;
213 }
214
215 static inline u16 hpi_stream_start(u32 h_stream)
216 {
217 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
218 return hpi_outstream_start(h_stream);
219 else
220 return hpi_instream_start(h_stream);
221 }
222
223 static inline u16 hpi_stream_stop(u32 h_stream)
224 {
225 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
226 return hpi_outstream_stop(h_stream);
227 else
228 return hpi_instream_stop(h_stream);
229 }
230
231 static inline u16 hpi_stream_get_info_ex(
232 u32 h_stream,
233 u16 *pw_state,
234 u32 *pbuffer_size,
235 u32 *pdata_in_buffer,
236 u32 *psample_count,
237 u32 *pauxiliary_data
238 )
239 {
240 u16 e;
241 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
242 e = hpi_outstream_get_info_ex(h_stream, pw_state,
243 pbuffer_size, pdata_in_buffer,
244 psample_count, pauxiliary_data);
245 else
246 e = hpi_instream_get_info_ex(h_stream, pw_state,
247 pbuffer_size, pdata_in_buffer,
248 psample_count, pauxiliary_data);
249 return e;
250 }
251
252 static inline u16 hpi_stream_group_add(
253 u32 h_master,
254 u32 h_stream)
255 {
256 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM)
257 return hpi_outstream_group_add(h_master, h_stream);
258 else
259 return hpi_instream_group_add(h_master, h_stream);
260 }
261
262 static inline u16 hpi_stream_group_reset(u32 h_stream)
263 {
264 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
265 return hpi_outstream_group_reset(h_stream);
266 else
267 return hpi_instream_group_reset(h_stream);
268 }
269
270 static inline u16 hpi_stream_group_get_map(
271 u32 h_stream, u32 *mo, u32 *mi)
272 {
273 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
274 return hpi_outstream_group_get_map(h_stream, mo, mi);
275 else
276 return hpi_instream_group_get_map(h_stream, mo, mi);
277 }
278
279 static u16 handle_error(u16 err, int line, char *filename)
280 {
281 if (err)
282 printk(KERN_WARNING
283 "in file %s, line %d: HPI error %d\n",
284 filename, line, err);
285 return err;
286 }
287
288 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__)
289
290 /***************************** GENERAL PCM ****************/
291 static void print_hwparams(struct snd_pcm_hw_params *p)
292 {
293 snd_printd("HWPARAMS \n");
294 snd_printd("samplerate %d \n", params_rate(p));
295 snd_printd("Channels %d \n", params_channels(p));
296 snd_printd("Format %d \n", params_format(p));
297 snd_printd("subformat %d \n", params_subformat(p));
298 snd_printd("Buffer bytes %d \n", params_buffer_bytes(p));
299 snd_printd("Period bytes %d \n", params_period_bytes(p));
300 snd_printd("access %d \n", params_access(p));
301 snd_printd("period_size %d \n", params_period_size(p));
302 snd_printd("periods %d \n", params_periods(p));
303 snd_printd("buffer_size %d \n", params_buffer_size(p));
304 }
305
306 static snd_pcm_format_t hpi_to_alsa_formats[] = {
307 -1, /* INVALID */
308 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
309 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
310 -1, /* HPI_FORMAT_MPEG_L1 3 */
311 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
312 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
313 -1, /* HPI_FORMAT_DOLBY_AC2 6 */
314 -1, /* HPI_FORMAT_DOLBY_AC3 7 */
315 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
316 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
317 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
318 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
319 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
320 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
321 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
322 #if 1
323 /* ALSA can't handle 3 byte sample size together with power-of-2
324 * constraint on buffer_bytes, so disable this format
325 */
326 -1
327 #else
328 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
329 #endif
330 };
331
332
333 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
334 u16 *hpi_format)
335 {
336 u16 format;
337
338 for (format = HPI_FORMAT_PCM8_UNSIGNED;
339 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
340 if (hpi_to_alsa_formats[format] == alsa_format) {
341 *hpi_format = format;
342 return 0;
343 }
344 }
345
346 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
347 alsa_format);
348 *hpi_format = 0;
349 return -EINVAL;
350 }
351
352 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
353 struct snd_pcm_hardware *pcmhw)
354 {
355 u16 err;
356 u32 h_control;
357 u32 sample_rate;
358 int idx;
359 unsigned int rate_min = 200000;
360 unsigned int rate_max = 0;
361 unsigned int rates = 0;
362
363 if (asihpi->support_mrx) {
364 rates |= SNDRV_PCM_RATE_CONTINUOUS;
365 rates |= SNDRV_PCM_RATE_8000_96000;
366 rate_min = 8000;
367 rate_max = 100000;
368 } else {
369 /* on cards without SRC,
370 valid rates are determined by sampleclock */
371 err = hpi_mixer_get_control(asihpi->h_mixer,
372 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
373 HPI_CONTROL_SAMPLECLOCK, &h_control);
374 if (err) {
375 snd_printk(KERN_ERR
376 "No local sampleclock, err %d\n", err);
377 }
378
379 for (idx = -1; idx < 100; idx++) {
380 if (idx == -1) {
381 if (hpi_sample_clock_get_sample_rate(h_control,
382 &sample_rate))
383 continue;
384 } else if (hpi_sample_clock_query_local_rate(h_control,
385 idx, &sample_rate)) {
386 break;
387 }
388
389 rate_min = min(rate_min, sample_rate);
390 rate_max = max(rate_max, sample_rate);
391
392 switch (sample_rate) {
393 case 5512:
394 rates |= SNDRV_PCM_RATE_5512;
395 break;
396 case 8000:
397 rates |= SNDRV_PCM_RATE_8000;
398 break;
399 case 11025:
400 rates |= SNDRV_PCM_RATE_11025;
401 break;
402 case 16000:
403 rates |= SNDRV_PCM_RATE_16000;
404 break;
405 case 22050:
406 rates |= SNDRV_PCM_RATE_22050;
407 break;
408 case 32000:
409 rates |= SNDRV_PCM_RATE_32000;
410 break;
411 case 44100:
412 rates |= SNDRV_PCM_RATE_44100;
413 break;
414 case 48000:
415 rates |= SNDRV_PCM_RATE_48000;
416 break;
417 case 64000:
418 rates |= SNDRV_PCM_RATE_64000;
419 break;
420 case 88200:
421 rates |= SNDRV_PCM_RATE_88200;
422 break;
423 case 96000:
424 rates |= SNDRV_PCM_RATE_96000;
425 break;
426 case 176400:
427 rates |= SNDRV_PCM_RATE_176400;
428 break;
429 case 192000:
430 rates |= SNDRV_PCM_RATE_192000;
431 break;
432 default: /* some other rate */
433 rates |= SNDRV_PCM_RATE_KNOT;
434 }
435 }
436 }
437
438 pcmhw->rates = rates;
439 pcmhw->rate_min = rate_min;
440 pcmhw->rate_max = rate_max;
441 }
442
443 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
444 struct snd_pcm_hw_params *params)
445 {
446 struct snd_pcm_runtime *runtime = substream->runtime;
447 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
448 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
449 int err;
450 u16 format;
451 int width;
452 unsigned int bytes_per_sec;
453
454 print_hwparams(params);
455 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
456 if (err < 0)
457 return err;
458 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
459 if (err)
460 return err;
461
462 snd_printdd("format %d, %d chans, %d_hz\n",
463 format, params_channels(params),
464 params_rate(params));
465
466 hpi_handle_error(hpi_format_create(&dpcm->format,
467 params_channels(params),
468 format, params_rate(params), 0, 0));
469
470 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
471 if (hpi_instream_reset(dpcm->h_stream) != 0)
472 return -EINVAL;
473
474 if (hpi_instream_set_format(
475 dpcm->h_stream, &dpcm->format) != 0)
476 return -EINVAL;
477 }
478
479 dpcm->hpi_buffer_attached = 0;
480 if (card->support_mmap) {
481
482 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
483 params_buffer_bytes(params), runtime->dma_addr);
484 if (err == 0) {
485 snd_printdd(
486 "stream_host_buffer_attach succeeded %u %lu\n",
487 params_buffer_bytes(params),
488 (unsigned long)runtime->dma_addr);
489 } else {
490 snd_printd("stream_host_buffer_attach error %d\n",
491 err);
492 return -ENOMEM;
493 }
494
495 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
496 &dpcm->hpi_buffer_attached,
497 NULL, NULL, NULL);
498
499 snd_printdd("stream_host_buffer_attach status 0x%x\n",
500 dpcm->hpi_buffer_attached);
501 }
502 bytes_per_sec = params_rate(params) * params_channels(params);
503 width = snd_pcm_format_width(params_format(params));
504 bytes_per_sec *= width;
505 bytes_per_sec /= 8;
506 if (width < 0 || bytes_per_sec == 0)
507 return -EINVAL;
508
509 dpcm->bytes_per_sec = bytes_per_sec;
510 dpcm->buffer_bytes = params_buffer_bytes(params);
511 dpcm->period_bytes = params_period_bytes(params);
512 snd_printdd("buffer_bytes=%d, period_bytes=%d, bps=%d\n",
513 dpcm->buffer_bytes, dpcm->period_bytes, bytes_per_sec);
514
515 return 0;
516 }
517
518 static int
519 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
520 {
521 struct snd_pcm_runtime *runtime = substream->runtime;
522 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
523 if (dpcm->hpi_buffer_attached)
524 hpi_stream_host_buffer_detach(dpcm->h_stream);
525
526 snd_pcm_lib_free_pages(substream);
527 return 0;
528 }
529
530 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
531 {
532 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
533 kfree(dpcm);
534 }
535
536 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
537 substream)
538 {
539 struct snd_pcm_runtime *runtime = substream->runtime;
540 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
541 int expiry;
542
543 expiry = HZ / 200;
544 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
545 expiry = max(expiry, 1); /* don't let it be zero! */
546 dpcm->timer.expires = jiffies + expiry;
547 dpcm->respawn_timer = 1;
548 add_timer(&dpcm->timer);
549 }
550
551 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
552 {
553 struct snd_pcm_runtime *runtime = substream->runtime;
554 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
555
556 dpcm->respawn_timer = 0;
557 del_timer(&dpcm->timer);
558 }
559
560 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
561 int cmd)
562 {
563 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
564 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
565 struct snd_pcm_substream *s;
566 u16 e;
567
568 snd_printdd("%c%d trigger\n",
569 SCHR(substream->stream), substream->number);
570 switch (cmd) {
571 case SNDRV_PCM_TRIGGER_START:
572 snd_pcm_group_for_each_entry(s, substream) {
573 struct snd_pcm_runtime *runtime = s->runtime;
574 struct snd_card_asihpi_pcm *ds = runtime->private_data;
575
576 if (snd_pcm_substream_chip(s) != card)
577 continue;
578
579 /* don't link Cap and Play */
580 if (substream->stream != s->stream)
581 continue;
582
583 if ((s->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
584 (card->support_mmap)) {
585 /* How do I know how much valid data is present
586 * in buffer? Must be at least one period!
587 * Guessing 2 periods, but if
588 * buffer is bigger it may contain even more
589 * data??
590 */
591 unsigned int preload = ds->period_bytes * 1;
592 snd_printddd("%d preload x%x\n", s->number, preload);
593 hpi_handle_error(hpi_outstream_write_buf(
594 ds->h_stream,
595 &runtime->dma_area[0],
596 preload,
597 &ds->format));
598 ds->pcm_buf_host_rw_ofs = preload;
599 }
600
601 if (card->support_grouping) {
602 snd_printdd("\t%c%d group\n",
603 SCHR(s->stream),
604 s->number);
605 e = hpi_stream_group_add(
606 dpcm->h_stream,
607 ds->h_stream);
608 if (!e) {
609 snd_pcm_trigger_done(s, substream);
610 } else {
611 hpi_handle_error(e);
612 break;
613 }
614 } else
615 break;
616 }
617 snd_printdd("start\n");
618 /* start the master stream */
619 snd_card_asihpi_pcm_timer_start(substream);
620 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
621 !card->support_mmap)
622 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
623 break;
624
625 case SNDRV_PCM_TRIGGER_STOP:
626 snd_card_asihpi_pcm_timer_stop(substream);
627 snd_pcm_group_for_each_entry(s, substream) {
628 if (snd_pcm_substream_chip(s) != card)
629 continue;
630 /* don't link Cap and Play */
631 if (substream->stream != s->stream)
632 continue;
633
634 /*? workaround linked streams don't
635 transition to SETUP 20070706*/
636 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
637
638 if (card->support_grouping) {
639 snd_printdd("\t%c%d group\n",
640 SCHR(s->stream),
641 s->number);
642 snd_pcm_trigger_done(s, substream);
643 } else
644 break;
645 }
646 snd_printdd("stop\n");
647
648 /* _prepare and _hwparams reset the stream */
649 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
650 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
651 hpi_handle_error(
652 hpi_outstream_reset(dpcm->h_stream));
653
654 if (card->support_grouping)
655 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
656 break;
657
658 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
659 snd_printdd("pause release\n");
660 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
661 snd_card_asihpi_pcm_timer_start(substream);
662 break;
663 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
664 snd_printdd("pause\n");
665 snd_card_asihpi_pcm_timer_stop(substream);
666 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
667 break;
668 default:
669 snd_printd(KERN_ERR "\tINVALID\n");
670 return -EINVAL;
671 }
672
673 return 0;
674 }
675
676 /*algorithm outline
677 Without linking degenerates to getting single stream pos etc
678 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
679 */
680 /*
681 pcm_buf_dma_ofs=get_buf_pos(s);
682 for_each_linked_stream(s) {
683 pcm_buf_dma_ofs=get_buf_pos(s);
684 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
685 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
686 }
687 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
688 for_each_linked_stream(s) {
689 s->pcm_buf_dma_ofs = min_buf_pos;
690 if (new_data > period_bytes) {
691 if (mmap) {
692 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
693 if (playback) {
694 write(period_bytes);
695 } else {
696 read(period_bytes);
697 }
698 }
699 snd_pcm_period_elapsed(s);
700 }
701 }
702 */
703
704 /** Minimum of 2 modulo values. Works correctly when the difference between
705 * the values is less than half the modulus
706 */
707 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
708 unsigned long int modulus)
709 {
710 unsigned int result;
711 if (((a-b) % modulus) < (modulus/2))
712 result = b;
713 else
714 result = a;
715
716 return result;
717 }
718
719 /** Timer function, equivalent to interrupt service routine for cards
720 */
721 static void snd_card_asihpi_timer_function(unsigned long data)
722 {
723 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
724 struct snd_pcm_substream *substream = dpcm->substream;
725 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
726 struct snd_pcm_runtime *runtime;
727 struct snd_pcm_substream *s;
728 unsigned int newdata = 0;
729 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
730 unsigned int remdata, xfercount, next_jiffies;
731 int first = 1;
732 int loops = 0;
733 u16 state;
734 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
735
736 snd_printdd("%c%d snd_card_asihpi_timer_function\n",
737 SCHR(substream->stream), substream->number);
738
739 /* find minimum newdata and buffer pos in group */
740 snd_pcm_group_for_each_entry(s, substream) {
741 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
742 runtime = s->runtime;
743
744 if (snd_pcm_substream_chip(s) != card)
745 continue;
746
747 /* don't link Cap and Play */
748 if (substream->stream != s->stream)
749 continue;
750
751 hpi_handle_error(hpi_stream_get_info_ex(
752 ds->h_stream, &state,
753 &buffer_size, &bytes_avail,
754 &samples_played, &on_card_bytes));
755
756 /* number of bytes in on-card buffer */
757 runtime->delay = on_card_bytes;
758
759 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
760 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
761 if (state == HPI_STATE_STOPPED) {
762 if ((bytes_avail == 0) &&
763 (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
764 hpi_handle_error(hpi_stream_start(ds->h_stream));
765 snd_printdd("P%d start\n", s->number);
766 }
767 } else if (state == HPI_STATE_DRAINED) {
768 snd_printd(KERN_WARNING "P%d drained\n",
769 s->number);
770 /*snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
771 continue; */
772 }
773 } else
774 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
775
776 if (first) {
777 /* can't statically init min when wrap is involved */
778 min_buf_pos = pcm_buf_dma_ofs;
779 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
780 first = 0;
781 } else {
782 min_buf_pos =
783 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
784 newdata = min(
785 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
786 newdata);
787 }
788
789 snd_printdd("hw_ptr x%04lX, appl_ptr x%04lX\n",
790 (unsigned long)frames_to_bytes(runtime,
791 runtime->status->hw_ptr),
792 (unsigned long)frames_to_bytes(runtime,
793 runtime->control->appl_ptr));
794
795 snd_printdd("%d %c%d S=%d, rw=%04X, dma=x%04X, left=x%04X,"
796 " aux=x%04X space=x%04X\n",
797 loops, SCHR(s->stream), s->number,
798 state, ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, (int)bytes_avail,
799 (int)on_card_bytes, buffer_size-bytes_avail);
800 loops++;
801 }
802 pcm_buf_dma_ofs = min_buf_pos;
803
804 remdata = newdata % dpcm->period_bytes;
805 xfercount = newdata - remdata; /* a multiple of period_bytes */
806 /* come back when on_card_bytes has decreased enough to allow
807 write to happen, or when data has been consumed to make another
808 period
809 */
810 if (xfercount && (on_card_bytes > dpcm->period_bytes))
811 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
812 else
813 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
814
815 next_jiffies = max(next_jiffies, 1U);
816 dpcm->timer.expires = jiffies + next_jiffies;
817 snd_printdd("jif %d buf pos x%04X newdata x%04X xfer x%04X\n",
818 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
819
820 snd_pcm_group_for_each_entry(s, substream) {
821 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
822
823 /* don't link Cap and Play */
824 if (substream->stream != s->stream)
825 continue;
826
827 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
828
829 if (xfercount && (on_card_bytes <= ds->period_bytes)) {
830 if (card->support_mmap) {
831 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
832 snd_printddd("P%d write x%04x\n",
833 s->number,
834 ds->period_bytes);
835 hpi_handle_error(
836 hpi_outstream_write_buf(
837 ds->h_stream,
838 &s->runtime->
839 dma_area[0],
840 xfercount,
841 &ds->format));
842 } else {
843 snd_printddd("C%d read x%04x\n",
844 s->number,
845 xfercount);
846 hpi_handle_error(
847 hpi_instream_read_buf(
848 ds->h_stream,
849 NULL, xfercount));
850 }
851 ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
852 } /* else R/W will be handled by read/write callbacks */
853 ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
854 snd_pcm_period_elapsed(s);
855 }
856 }
857
858 if (dpcm->respawn_timer)
859 add_timer(&dpcm->timer);
860 }
861
862 /***************************** PLAYBACK OPS ****************/
863 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
864 unsigned int cmd, void *arg)
865 {
866 snd_printdd(KERN_INFO "Playback ioctl %d\n", cmd);
867 return snd_pcm_lib_ioctl(substream, cmd, arg);
868 }
869
870 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
871 substream)
872 {
873 struct snd_pcm_runtime *runtime = substream->runtime;
874 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
875
876 snd_printdd("playback prepare %d\n", substream->number);
877
878 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
879 dpcm->pcm_buf_host_rw_ofs = 0;
880 dpcm->pcm_buf_dma_ofs = 0;
881 dpcm->pcm_buf_elapsed_dma_ofs = 0;
882 return 0;
883 }
884
885 static snd_pcm_uframes_t
886 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
887 {
888 struct snd_pcm_runtime *runtime = substream->runtime;
889 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
890 snd_pcm_uframes_t ptr;
891
892 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
893 snd_printddd("playback_pointer=x%04lx\n", (unsigned long)ptr);
894 return ptr;
895 }
896
897 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
898 u32 h_stream,
899 struct snd_pcm_hardware *pcmhw)
900 {
901 struct hpi_format hpi_format;
902 u16 format;
903 u16 err;
904 u32 h_control;
905 u32 sample_rate = 48000;
906
907 /* on cards without SRC, must query at valid rate,
908 * maybe set by external sync
909 */
910 err = hpi_mixer_get_control(asihpi->h_mixer,
911 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
912 HPI_CONTROL_SAMPLECLOCK, &h_control);
913
914 if (!err)
915 err = hpi_sample_clock_get_sample_rate(h_control,
916 &sample_rate);
917
918 for (format = HPI_FORMAT_PCM8_UNSIGNED;
919 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
920 err = hpi_format_create(&hpi_format,
921 2, format, sample_rate, 128000, 0);
922 if (!err)
923 err = hpi_outstream_query_format(h_stream,
924 &hpi_format);
925 if (!err && (hpi_to_alsa_formats[format] != -1))
926 pcmhw->formats |=
927 (1ULL << hpi_to_alsa_formats[format]);
928 }
929 }
930
931 static struct snd_pcm_hardware snd_card_asihpi_playback = {
932 .channels_min = 1,
933 .channels_max = 2,
934 .buffer_bytes_max = BUFFER_BYTES_MAX,
935 .period_bytes_min = PERIOD_BYTES_MIN,
936 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
937 .periods_min = PERIODS_MIN,
938 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
939 .fifo_size = 0,
940 };
941
942 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
943 {
944 struct snd_pcm_runtime *runtime = substream->runtime;
945 struct snd_card_asihpi_pcm *dpcm;
946 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
947 int err;
948
949 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
950 if (dpcm == NULL)
951 return -ENOMEM;
952
953 err =
954 hpi_outstream_open(card->adapter_index,
955 substream->number, &dpcm->h_stream);
956 hpi_handle_error(err);
957 if (err)
958 kfree(dpcm);
959 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
960 return -EBUSY;
961 if (err)
962 return -EIO;
963
964 /*? also check ASI5000 samplerate source
965 If external, only support external rate.
966 If internal and other stream playing, can't switch
967 */
968
969 init_timer(&dpcm->timer);
970 dpcm->timer.data = (unsigned long) dpcm;
971 dpcm->timer.function = snd_card_asihpi_timer_function;
972 dpcm->substream = substream;
973 runtime->private_data = dpcm;
974 runtime->private_free = snd_card_asihpi_runtime_free;
975
976 snd_card_asihpi_playback.channels_max = card->out_max_chans;
977 /*?snd_card_asihpi_playback.period_bytes_min =
978 card->out_max_chans * 4096; */
979
980 snd_card_asihpi_playback_format(card, dpcm->h_stream,
981 &snd_card_asihpi_playback);
982
983 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
984
985 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
986 SNDRV_PCM_INFO_DOUBLE |
987 SNDRV_PCM_INFO_BATCH |
988 SNDRV_PCM_INFO_BLOCK_TRANSFER |
989 SNDRV_PCM_INFO_PAUSE;
990
991 if (card->support_mmap)
992 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_MMAP |
993 SNDRV_PCM_INFO_MMAP_VALID;
994
995 if (card->support_grouping)
996 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
997
998 /* struct is copied, so can create initializer dynamically */
999 runtime->hw = snd_card_asihpi_playback;
1000
1001 if (card->support_mmap)
1002 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1003 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1004 if (err < 0)
1005 return err;
1006
1007 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1008 card->update_interval_frames);
1009
1010 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1011 card->update_interval_frames * 2, UINT_MAX);
1012
1013 snd_pcm_set_sync(substream);
1014
1015 snd_printdd("playback open\n");
1016
1017 return 0;
1018 }
1019
1020 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1021 {
1022 struct snd_pcm_runtime *runtime = substream->runtime;
1023 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1024
1025 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1026 snd_printdd("playback close\n");
1027
1028 return 0;
1029 }
1030
1031 static int snd_card_asihpi_playback_copy(struct snd_pcm_substream *substream,
1032 int channel,
1033 snd_pcm_uframes_t pos,
1034 void __user *src,
1035 snd_pcm_uframes_t count)
1036 {
1037 struct snd_pcm_runtime *runtime = substream->runtime;
1038 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1039 unsigned int len;
1040
1041 len = frames_to_bytes(runtime, count);
1042
1043 if (copy_from_user(runtime->dma_area, src, len))
1044 return -EFAULT;
1045
1046 snd_printddd("playback copy%d %u bytes\n",
1047 substream->number, len);
1048
1049 hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream,
1050 runtime->dma_area, len, &dpcm->format));
1051
1052 dpcm->pcm_buf_host_rw_ofs += len;
1053
1054 return 0;
1055 }
1056
1057 static int snd_card_asihpi_playback_silence(struct snd_pcm_substream *
1058 substream, int channel,
1059 snd_pcm_uframes_t pos,
1060 snd_pcm_uframes_t count)
1061 {
1062 /* Usually writes silence to DMA buffer, which should be overwritten
1063 by real audio later. Our fifos cannot be overwritten, and are not
1064 free-running DMAs. Silence is output on fifo underflow.
1065 This callback is still required to allow the copy callback to be used.
1066 */
1067 return 0;
1068 }
1069
1070 static struct snd_pcm_ops snd_card_asihpi_playback_ops = {
1071 .open = snd_card_asihpi_playback_open,
1072 .close = snd_card_asihpi_playback_close,
1073 .ioctl = snd_card_asihpi_playback_ioctl,
1074 .hw_params = snd_card_asihpi_pcm_hw_params,
1075 .hw_free = snd_card_asihpi_hw_free,
1076 .prepare = snd_card_asihpi_playback_prepare,
1077 .trigger = snd_card_asihpi_trigger,
1078 .pointer = snd_card_asihpi_playback_pointer,
1079 .copy = snd_card_asihpi_playback_copy,
1080 .silence = snd_card_asihpi_playback_silence,
1081 };
1082
1083 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1084 .open = snd_card_asihpi_playback_open,
1085 .close = snd_card_asihpi_playback_close,
1086 .ioctl = snd_card_asihpi_playback_ioctl,
1087 .hw_params = snd_card_asihpi_pcm_hw_params,
1088 .hw_free = snd_card_asihpi_hw_free,
1089 .prepare = snd_card_asihpi_playback_prepare,
1090 .trigger = snd_card_asihpi_trigger,
1091 .pointer = snd_card_asihpi_playback_pointer,
1092 };
1093
1094 /***************************** CAPTURE OPS ****************/
1095 static snd_pcm_uframes_t
1096 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1097 {
1098 struct snd_pcm_runtime *runtime = substream->runtime;
1099 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1100
1101 snd_printddd("capture pointer %d=%d\n",
1102 substream->number, dpcm->pcm_buf_dma_ofs);
1103 /* NOTE Unlike playback can't use actual samples_played
1104 for the capture position, because those samples aren't yet in
1105 the local buffer available for reading.
1106 */
1107 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1108 }
1109
1110 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1111 unsigned int cmd, void *arg)
1112 {
1113 return snd_pcm_lib_ioctl(substream, cmd, arg);
1114 }
1115
1116 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1117 {
1118 struct snd_pcm_runtime *runtime = substream->runtime;
1119 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1120
1121 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1122 dpcm->pcm_buf_host_rw_ofs = 0;
1123 dpcm->pcm_buf_dma_ofs = 0;
1124 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1125
1126 snd_printdd("Capture Prepare %d\n", substream->number);
1127 return 0;
1128 }
1129
1130
1131
1132 static void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
1133 u32 h_stream,
1134 struct snd_pcm_hardware *pcmhw)
1135 {
1136 struct hpi_format hpi_format;
1137 u16 format;
1138 u16 err;
1139 u32 h_control;
1140 u32 sample_rate = 48000;
1141
1142 /* on cards without SRC, must query at valid rate,
1143 maybe set by external sync */
1144 err = hpi_mixer_get_control(asihpi->h_mixer,
1145 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1146 HPI_CONTROL_SAMPLECLOCK, &h_control);
1147
1148 if (!err)
1149 err = hpi_sample_clock_get_sample_rate(h_control,
1150 &sample_rate);
1151
1152 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1153 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1154
1155 err = hpi_format_create(&hpi_format, 2, format,
1156 sample_rate, 128000, 0);
1157 if (!err)
1158 err = hpi_instream_query_format(h_stream,
1159 &hpi_format);
1160 if (!err)
1161 pcmhw->formats |=
1162 (1ULL << hpi_to_alsa_formats[format]);
1163 }
1164 }
1165
1166
1167 static struct snd_pcm_hardware snd_card_asihpi_capture = {
1168 .channels_min = 1,
1169 .channels_max = 2,
1170 .buffer_bytes_max = BUFFER_BYTES_MAX,
1171 .period_bytes_min = PERIOD_BYTES_MIN,
1172 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
1173 .periods_min = PERIODS_MIN,
1174 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
1175 .fifo_size = 0,
1176 };
1177
1178 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1179 {
1180 struct snd_pcm_runtime *runtime = substream->runtime;
1181 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1182 struct snd_card_asihpi_pcm *dpcm;
1183 int err;
1184
1185 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1186 if (dpcm == NULL)
1187 return -ENOMEM;
1188
1189 snd_printdd("capture open adapter %d stream %d\n",
1190 card->adapter_index, substream->number);
1191
1192 err = hpi_handle_error(
1193 hpi_instream_open(card->adapter_index,
1194 substream->number, &dpcm->h_stream));
1195 if (err)
1196 kfree(dpcm);
1197 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1198 return -EBUSY;
1199 if (err)
1200 return -EIO;
1201
1202
1203 init_timer(&dpcm->timer);
1204 dpcm->timer.data = (unsigned long) dpcm;
1205 dpcm->timer.function = snd_card_asihpi_timer_function;
1206 dpcm->substream = substream;
1207 runtime->private_data = dpcm;
1208 runtime->private_free = snd_card_asihpi_runtime_free;
1209
1210 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1211 snd_card_asihpi_capture_format(card, dpcm->h_stream,
1212 &snd_card_asihpi_capture);
1213 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1214 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED;
1215
1216 if (card->support_mmap)
1217 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_MMAP |
1218 SNDRV_PCM_INFO_MMAP_VALID;
1219
1220 if (card->support_grouping)
1221 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1222
1223 runtime->hw = snd_card_asihpi_capture;
1224
1225 if (card->support_mmap)
1226 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1227 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1228 if (err < 0)
1229 return err;
1230
1231 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1232 card->update_interval_frames);
1233 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1234 card->update_interval_frames * 2, UINT_MAX);
1235
1236 snd_pcm_set_sync(substream);
1237
1238 return 0;
1239 }
1240
1241 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1242 {
1243 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1244
1245 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1246 return 0;
1247 }
1248
1249 static int snd_card_asihpi_capture_copy(struct snd_pcm_substream *substream,
1250 int channel, snd_pcm_uframes_t pos,
1251 void __user *dst, snd_pcm_uframes_t count)
1252 {
1253 struct snd_pcm_runtime *runtime = substream->runtime;
1254 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1255 u32 len;
1256
1257 len = frames_to_bytes(runtime, count);
1258
1259 snd_printddd("capture copy%d %d bytes\n", substream->number, len);
1260 hpi_handle_error(hpi_instream_read_buf(dpcm->h_stream,
1261 runtime->dma_area, len));
1262
1263 dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len;
1264
1265 if (copy_to_user(dst, runtime->dma_area, len))
1266 return -EFAULT;
1267
1268 return 0;
1269 }
1270
1271 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1272 .open = snd_card_asihpi_capture_open,
1273 .close = snd_card_asihpi_capture_close,
1274 .ioctl = snd_card_asihpi_capture_ioctl,
1275 .hw_params = snd_card_asihpi_pcm_hw_params,
1276 .hw_free = snd_card_asihpi_hw_free,
1277 .prepare = snd_card_asihpi_capture_prepare,
1278 .trigger = snd_card_asihpi_trigger,
1279 .pointer = snd_card_asihpi_capture_pointer,
1280 };
1281
1282 static struct snd_pcm_ops snd_card_asihpi_capture_ops = {
1283 .open = snd_card_asihpi_capture_open,
1284 .close = snd_card_asihpi_capture_close,
1285 .ioctl = snd_card_asihpi_capture_ioctl,
1286 .hw_params = snd_card_asihpi_pcm_hw_params,
1287 .hw_free = snd_card_asihpi_hw_free,
1288 .prepare = snd_card_asihpi_capture_prepare,
1289 .trigger = snd_card_asihpi_trigger,
1290 .pointer = snd_card_asihpi_capture_pointer,
1291 .copy = snd_card_asihpi_capture_copy
1292 };
1293
1294 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi,
1295 int device, int substreams)
1296 {
1297 struct snd_pcm *pcm;
1298 int err;
1299
1300 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1301 asihpi->num_outstreams, asihpi->num_instreams,
1302 &pcm);
1303 if (err < 0)
1304 return err;
1305 /* pointer to ops struct is stored, dont change ops afterwards! */
1306 if (asihpi->support_mmap) {
1307 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1308 &snd_card_asihpi_playback_mmap_ops);
1309 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1310 &snd_card_asihpi_capture_mmap_ops);
1311 } else {
1312 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1313 &snd_card_asihpi_playback_ops);
1314 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1315 &snd_card_asihpi_capture_ops);
1316 }
1317
1318 pcm->private_data = asihpi;
1319 pcm->info_flags = 0;
1320 strcpy(pcm->name, "Asihpi PCM");
1321
1322 /*? do we want to emulate MMAP for non-BBM cards?
1323 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1324 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1325 snd_dma_pci_data(asihpi->pci),
1326 64*1024, BUFFER_BYTES_MAX);
1327
1328 return 0;
1329 }
1330
1331 /***************************** MIXER CONTROLS ****************/
1332 struct hpi_control {
1333 u32 h_control;
1334 u16 control_type;
1335 u16 src_node_type;
1336 u16 src_node_index;
1337 u16 dst_node_type;
1338 u16 dst_node_index;
1339 u16 band;
1340 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1341 };
1342
1343 static const char * const asihpi_tuner_band_names[] = {
1344 "invalid",
1345 "AM",
1346 "FM mono",
1347 "TV NTSC-M",
1348 "FM stereo",
1349 "AUX",
1350 "TV PAL BG",
1351 "TV PAL I",
1352 "TV PAL DK",
1353 "TV SECAM",
1354 };
1355
1356 compile_time_assert(
1357 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1358 (HPI_TUNER_BAND_LAST+1)),
1359 assert_tuner_band_names_size);
1360
1361 static const char * const asihpi_src_names[] = {
1362 "no source",
1363 "PCM",
1364 "Line",
1365 "Digital",
1366 "Tuner",
1367 "RF",
1368 "Clock",
1369 "Bitstream",
1370 "Microphone",
1371 "Cobranet",
1372 "Analog",
1373 "Adapter",
1374 };
1375
1376 compile_time_assert(
1377 (ARRAY_SIZE(asihpi_src_names) ==
1378 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1379 assert_src_names_size);
1380
1381 static const char * const asihpi_dst_names[] = {
1382 "no destination",
1383 "PCM",
1384 "Line",
1385 "Digital",
1386 "RF",
1387 "Speaker",
1388 "Cobranet Out",
1389 "Analog"
1390 };
1391
1392 compile_time_assert(
1393 (ARRAY_SIZE(asihpi_dst_names) ==
1394 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1395 assert_dst_names_size);
1396
1397 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1398 struct snd_card_asihpi *asihpi)
1399 {
1400 int err;
1401
1402 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1403 if (err < 0)
1404 return err;
1405 else if (mixer_dump)
1406 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1407
1408 return 0;
1409 }
1410
1411 /* Convert HPI control name and location into ALSA control name */
1412 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1413 struct hpi_control *hpi_ctl,
1414 char *name)
1415 {
1416 char *dir = "";
1417 memset(snd_control, 0, sizeof(*snd_control));
1418 snd_control->name = hpi_ctl->name;
1419 snd_control->private_value = hpi_ctl->h_control;
1420 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1421 snd_control->index = 0;
1422
1423 if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1424 dir = "Capture "; /* On or towards a PCM capture destination*/
1425 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1426 (!hpi_ctl->dst_node_type))
1427 dir = "Capture "; /* On a source node that is not PCM playback */
1428 else if (hpi_ctl->src_node_type &&
1429 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1430 (hpi_ctl->dst_node_type))
1431 dir = "Monitor Playback "; /* Between an input and an output */
1432 else
1433 dir = "Playback "; /* PCM Playback source, or output node */
1434
1435 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1436 sprintf(hpi_ctl->name, "%s%d %s%d %s%s",
1437 asihpi_src_names[hpi_ctl->src_node_type],
1438 hpi_ctl->src_node_index,
1439 asihpi_dst_names[hpi_ctl->dst_node_type],
1440 hpi_ctl->dst_node_index,
1441 dir, name);
1442 else if (hpi_ctl->dst_node_type) {
1443 sprintf(hpi_ctl->name, "%s %d %s%s",
1444 asihpi_dst_names[hpi_ctl->dst_node_type],
1445 hpi_ctl->dst_node_index,
1446 dir, name);
1447 } else {
1448 sprintf(hpi_ctl->name, "%s %d %s%s",
1449 asihpi_src_names[hpi_ctl->src_node_type],
1450 hpi_ctl->src_node_index,
1451 dir, name);
1452 }
1453 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1454 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1455 }
1456
1457 /*------------------------------------------------------------
1458 Volume controls
1459 ------------------------------------------------------------*/
1460 #define VOL_STEP_mB 1
1461 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1462 struct snd_ctl_elem_info *uinfo)
1463 {
1464 u32 h_control = kcontrol->private_value;
1465 u16 err;
1466 /* native gains are in millibels */
1467 short min_gain_mB;
1468 short max_gain_mB;
1469 short step_gain_mB;
1470
1471 err = hpi_volume_query_range(h_control,
1472 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1473 if (err) {
1474 max_gain_mB = 0;
1475 min_gain_mB = -10000;
1476 step_gain_mB = VOL_STEP_mB;
1477 }
1478
1479 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1480 uinfo->count = 2;
1481 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1482 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1483 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1484 return 0;
1485 }
1486
1487 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1488 struct snd_ctl_elem_value *ucontrol)
1489 {
1490 u32 h_control = kcontrol->private_value;
1491 short an_gain_mB[HPI_MAX_CHANNELS];
1492
1493 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1494 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1495 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1496
1497 return 0;
1498 }
1499
1500 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1501 struct snd_ctl_elem_value *ucontrol)
1502 {
1503 int change;
1504 u32 h_control = kcontrol->private_value;
1505 short an_gain_mB[HPI_MAX_CHANNELS];
1506
1507 an_gain_mB[0] =
1508 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1509 an_gain_mB[1] =
1510 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1511 /* change = asihpi->mixer_volume[addr][0] != left ||
1512 asihpi->mixer_volume[addr][1] != right;
1513 */
1514 change = 1;
1515 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1516 return change;
1517 }
1518
1519 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1520
1521 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1522 struct hpi_control *hpi_ctl)
1523 {
1524 struct snd_card *card = asihpi->card;
1525 struct snd_kcontrol_new snd_control;
1526
1527 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1528 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1529 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1530 snd_control.info = snd_asihpi_volume_info;
1531 snd_control.get = snd_asihpi_volume_get;
1532 snd_control.put = snd_asihpi_volume_put;
1533 snd_control.tlv.p = db_scale_100;
1534
1535 return ctl_add(card, &snd_control, asihpi);
1536 }
1537
1538 /*------------------------------------------------------------
1539 Level controls
1540 ------------------------------------------------------------*/
1541 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1542 struct snd_ctl_elem_info *uinfo)
1543 {
1544 u32 h_control = kcontrol->private_value;
1545 u16 err;
1546 short min_gain_mB;
1547 short max_gain_mB;
1548 short step_gain_mB;
1549
1550 err =
1551 hpi_level_query_range(h_control, &min_gain_mB,
1552 &max_gain_mB, &step_gain_mB);
1553 if (err) {
1554 max_gain_mB = 2400;
1555 min_gain_mB = -1000;
1556 step_gain_mB = 100;
1557 }
1558
1559 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1560 uinfo->count = 2;
1561 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1562 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1563 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1564 return 0;
1565 }
1566
1567 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1568 struct snd_ctl_elem_value *ucontrol)
1569 {
1570 u32 h_control = kcontrol->private_value;
1571 short an_gain_mB[HPI_MAX_CHANNELS];
1572
1573 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1574 ucontrol->value.integer.value[0] =
1575 an_gain_mB[0] / HPI_UNITS_PER_dB;
1576 ucontrol->value.integer.value[1] =
1577 an_gain_mB[1] / HPI_UNITS_PER_dB;
1578
1579 return 0;
1580 }
1581
1582 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1583 struct snd_ctl_elem_value *ucontrol)
1584 {
1585 int change;
1586 u32 h_control = kcontrol->private_value;
1587 short an_gain_mB[HPI_MAX_CHANNELS];
1588
1589 an_gain_mB[0] =
1590 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1591 an_gain_mB[1] =
1592 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1593 /* change = asihpi->mixer_level[addr][0] != left ||
1594 asihpi->mixer_level[addr][1] != right;
1595 */
1596 change = 1;
1597 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1598 return change;
1599 }
1600
1601 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1602
1603 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1604 struct hpi_control *hpi_ctl)
1605 {
1606 struct snd_card *card = asihpi->card;
1607 struct snd_kcontrol_new snd_control;
1608
1609 /* can't use 'volume' cos some nodes have volume as well */
1610 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1611 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1612 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1613 snd_control.info = snd_asihpi_level_info;
1614 snd_control.get = snd_asihpi_level_get;
1615 snd_control.put = snd_asihpi_level_put;
1616 snd_control.tlv.p = db_scale_level;
1617
1618 return ctl_add(card, &snd_control, asihpi);
1619 }
1620
1621 /*------------------------------------------------------------
1622 AESEBU controls
1623 ------------------------------------------------------------*/
1624
1625 /* AESEBU format */
1626 static const char * const asihpi_aesebu_format_names[] = {
1627 "N/A", "S/PDIF", "AES/EBU" };
1628
1629 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1630 struct snd_ctl_elem_info *uinfo)
1631 {
1632 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1633 uinfo->count = 1;
1634 uinfo->value.enumerated.items = 3;
1635
1636 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1637 uinfo->value.enumerated.item =
1638 uinfo->value.enumerated.items - 1;
1639
1640 strcpy(uinfo->value.enumerated.name,
1641 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1642
1643 return 0;
1644 }
1645
1646 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1647 struct snd_ctl_elem_value *ucontrol,
1648 u16 (*func)(u32, u16 *))
1649 {
1650 u32 h_control = kcontrol->private_value;
1651 u16 source, err;
1652
1653 err = func(h_control, &source);
1654
1655 /* default to N/A */
1656 ucontrol->value.enumerated.item[0] = 0;
1657 /* return success but set the control to N/A */
1658 if (err)
1659 return 0;
1660 if (source == HPI_AESEBU_FORMAT_SPDIF)
1661 ucontrol->value.enumerated.item[0] = 1;
1662 if (source == HPI_AESEBU_FORMAT_AESEBU)
1663 ucontrol->value.enumerated.item[0] = 2;
1664
1665 return 0;
1666 }
1667
1668 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1669 struct snd_ctl_elem_value *ucontrol,
1670 u16 (*func)(u32, u16))
1671 {
1672 u32 h_control = kcontrol->private_value;
1673
1674 /* default to S/PDIF */
1675 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1676
1677 if (ucontrol->value.enumerated.item[0] == 1)
1678 source = HPI_AESEBU_FORMAT_SPDIF;
1679 if (ucontrol->value.enumerated.item[0] == 2)
1680 source = HPI_AESEBU_FORMAT_AESEBU;
1681
1682 if (func(h_control, source) != 0)
1683 return -EINVAL;
1684
1685 return 1;
1686 }
1687
1688 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1689 struct snd_ctl_elem_value *ucontrol) {
1690 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1691 hpi_aesebu_receiver_get_format);
1692 }
1693
1694 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1695 struct snd_ctl_elem_value *ucontrol) {
1696 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1697 hpi_aesebu_receiver_set_format);
1698 }
1699
1700 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1701 struct snd_ctl_elem_info *uinfo)
1702 {
1703 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1704 uinfo->count = 1;
1705
1706 uinfo->value.integer.min = 0;
1707 uinfo->value.integer.max = 0X1F;
1708 uinfo->value.integer.step = 1;
1709
1710 return 0;
1711 }
1712
1713 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1714 struct snd_ctl_elem_value *ucontrol) {
1715
1716 u32 h_control = kcontrol->private_value;
1717 u16 status;
1718
1719 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1720 h_control, &status));
1721 ucontrol->value.integer.value[0] = status;
1722 return 0;
1723 }
1724
1725 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1726 struct hpi_control *hpi_ctl)
1727 {
1728 struct snd_card *card = asihpi->card;
1729 struct snd_kcontrol_new snd_control;
1730
1731 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1732 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1733 snd_control.info = snd_asihpi_aesebu_format_info;
1734 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1735 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1736
1737
1738 if (ctl_add(card, &snd_control, asihpi) < 0)
1739 return -EINVAL;
1740
1741 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1742 snd_control.access =
1743 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1744 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1745 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1746
1747 return ctl_add(card, &snd_control, asihpi);
1748 }
1749
1750 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1751 struct snd_ctl_elem_value *ucontrol) {
1752 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1753 hpi_aesebu_transmitter_get_format);
1754 }
1755
1756 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1757 struct snd_ctl_elem_value *ucontrol) {
1758 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1759 hpi_aesebu_transmitter_set_format);
1760 }
1761
1762
1763 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1764 struct hpi_control *hpi_ctl)
1765 {
1766 struct snd_card *card = asihpi->card;
1767 struct snd_kcontrol_new snd_control;
1768
1769 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1770 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1771 snd_control.info = snd_asihpi_aesebu_format_info;
1772 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1773 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1774
1775 return ctl_add(card, &snd_control, asihpi);
1776 }
1777
1778 /*------------------------------------------------------------
1779 Tuner controls
1780 ------------------------------------------------------------*/
1781
1782 /* Gain */
1783
1784 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1785 struct snd_ctl_elem_info *uinfo)
1786 {
1787 u32 h_control = kcontrol->private_value;
1788 u16 err;
1789 short idx;
1790 u16 gain_range[3];
1791
1792 for (idx = 0; idx < 3; idx++) {
1793 err = hpi_tuner_query_gain(h_control,
1794 idx, &gain_range[idx]);
1795 if (err != 0)
1796 return err;
1797 }
1798
1799 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1800 uinfo->count = 1;
1801 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1802 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1803 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1804 return 0;
1805 }
1806
1807 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1808 struct snd_ctl_elem_value *ucontrol)
1809 {
1810 /*
1811 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1812 */
1813 u32 h_control = kcontrol->private_value;
1814 short gain;
1815
1816 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1817 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1818
1819 return 0;
1820 }
1821
1822 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1823 struct snd_ctl_elem_value *ucontrol)
1824 {
1825 /*
1826 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1827 */
1828 u32 h_control = kcontrol->private_value;
1829 short gain;
1830
1831 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1832 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1833
1834 return 1;
1835 }
1836
1837 /* Band */
1838
1839 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1840 u16 *band_list, u32 len) {
1841 u32 h_control = kcontrol->private_value;
1842 u16 err = 0;
1843 u32 i;
1844
1845 for (i = 0; i < len; i++) {
1846 err = hpi_tuner_query_band(
1847 h_control, i, &band_list[i]);
1848 if (err != 0)
1849 break;
1850 }
1851
1852 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1853 return -EIO;
1854
1855 return i;
1856 }
1857
1858 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1859 struct snd_ctl_elem_info *uinfo)
1860 {
1861 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1862 int num_bands = 0;
1863
1864 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1865 HPI_TUNER_BAND_LAST);
1866
1867 if (num_bands < 0)
1868 return num_bands;
1869
1870 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1871 uinfo->count = 1;
1872 uinfo->value.enumerated.items = num_bands;
1873
1874 if (num_bands > 0) {
1875 if (uinfo->value.enumerated.item >=
1876 uinfo->value.enumerated.items)
1877 uinfo->value.enumerated.item =
1878 uinfo->value.enumerated.items - 1;
1879
1880 strcpy(uinfo->value.enumerated.name,
1881 asihpi_tuner_band_names[
1882 tuner_bands[uinfo->value.enumerated.item]]);
1883
1884 }
1885 return 0;
1886 }
1887
1888 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1889 struct snd_ctl_elem_value *ucontrol)
1890 {
1891 u32 h_control = kcontrol->private_value;
1892 /*
1893 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1894 */
1895 u16 band, idx;
1896 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1897 u32 num_bands = 0;
1898
1899 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1900 HPI_TUNER_BAND_LAST);
1901
1902 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1903
1904 ucontrol->value.enumerated.item[0] = -1;
1905 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1906 if (tuner_bands[idx] == band) {
1907 ucontrol->value.enumerated.item[0] = idx;
1908 break;
1909 }
1910
1911 return 0;
1912 }
1913
1914 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1915 struct snd_ctl_elem_value *ucontrol)
1916 {
1917 /*
1918 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1919 */
1920 u32 h_control = kcontrol->private_value;
1921 u16 band;
1922 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1923 u32 num_bands = 0;
1924
1925 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1926 HPI_TUNER_BAND_LAST);
1927
1928 band = tuner_bands[ucontrol->value.enumerated.item[0]];
1929 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1930
1931 return 1;
1932 }
1933
1934 /* Freq */
1935
1936 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1937 struct snd_ctl_elem_info *uinfo)
1938 {
1939 u32 h_control = kcontrol->private_value;
1940 u16 err;
1941 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1942 u16 num_bands = 0, band_iter, idx;
1943 u32 freq_range[3], temp_freq_range[3];
1944
1945 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1946 HPI_TUNER_BAND_LAST);
1947
1948 freq_range[0] = INT_MAX;
1949 freq_range[1] = 0;
1950 freq_range[2] = INT_MAX;
1951
1952 for (band_iter = 0; band_iter < num_bands; band_iter++) {
1953 for (idx = 0; idx < 3; idx++) {
1954 err = hpi_tuner_query_frequency(h_control,
1955 idx, tuner_bands[band_iter],
1956 &temp_freq_range[idx]);
1957 if (err != 0)
1958 return err;
1959 }
1960
1961 /* skip band with bogus stepping */
1962 if (temp_freq_range[2] <= 0)
1963 continue;
1964
1965 if (temp_freq_range[0] < freq_range[0])
1966 freq_range[0] = temp_freq_range[0];
1967 if (temp_freq_range[1] > freq_range[1])
1968 freq_range[1] = temp_freq_range[1];
1969 if (temp_freq_range[2] < freq_range[2])
1970 freq_range[2] = temp_freq_range[2];
1971 }
1972
1973 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1974 uinfo->count = 1;
1975 uinfo->value.integer.min = ((int)freq_range[0]);
1976 uinfo->value.integer.max = ((int)freq_range[1]);
1977 uinfo->value.integer.step = ((int)freq_range[2]);
1978 return 0;
1979 }
1980
1981 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1982 struct snd_ctl_elem_value *ucontrol)
1983 {
1984 u32 h_control = kcontrol->private_value;
1985 u32 freq;
1986
1987 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1988 ucontrol->value.integer.value[0] = freq;
1989
1990 return 0;
1991 }
1992
1993 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1994 struct snd_ctl_elem_value *ucontrol)
1995 {
1996 u32 h_control = kcontrol->private_value;
1997 u32 freq;
1998
1999 freq = ucontrol->value.integer.value[0];
2000 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
2001
2002 return 1;
2003 }
2004
2005 /* Tuner control group initializer */
2006 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2007 struct hpi_control *hpi_ctl)
2008 {
2009 struct snd_card *card = asihpi->card;
2010 struct snd_kcontrol_new snd_control;
2011
2012 snd_control.private_value = hpi_ctl->h_control;
2013 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2014
2015 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2016 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2017 snd_control.info = snd_asihpi_tuner_gain_info;
2018 snd_control.get = snd_asihpi_tuner_gain_get;
2019 snd_control.put = snd_asihpi_tuner_gain_put;
2020
2021 if (ctl_add(card, &snd_control, asihpi) < 0)
2022 return -EINVAL;
2023 }
2024
2025 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2026 snd_control.info = snd_asihpi_tuner_band_info;
2027 snd_control.get = snd_asihpi_tuner_band_get;
2028 snd_control.put = snd_asihpi_tuner_band_put;
2029
2030 if (ctl_add(card, &snd_control, asihpi) < 0)
2031 return -EINVAL;
2032
2033 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2034 snd_control.info = snd_asihpi_tuner_freq_info;
2035 snd_control.get = snd_asihpi_tuner_freq_get;
2036 snd_control.put = snd_asihpi_tuner_freq_put;
2037
2038 return ctl_add(card, &snd_control, asihpi);
2039 }
2040
2041 /*------------------------------------------------------------
2042 Meter controls
2043 ------------------------------------------------------------*/
2044 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2045 struct snd_ctl_elem_info *uinfo)
2046 {
2047 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2048 uinfo->count = HPI_MAX_CHANNELS;
2049 uinfo->value.integer.min = 0;
2050 uinfo->value.integer.max = 0x7FFFFFFF;
2051 return 0;
2052 }
2053
2054 /* linear values for 10dB steps */
2055 static int log2lin[] = {
2056 0x7FFFFFFF, /* 0dB */
2057 679093956,
2058 214748365,
2059 67909396,
2060 21474837,
2061 6790940,
2062 2147484, /* -60dB */
2063 679094,
2064 214748, /* -80 */
2065 67909,
2066 21475, /* -100 */
2067 6791,
2068 2147,
2069 679,
2070 214,
2071 68,
2072 21,
2073 7,
2074 2
2075 };
2076
2077 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2078 struct snd_ctl_elem_value *ucontrol)
2079 {
2080 u32 h_control = kcontrol->private_value;
2081 short an_gain_mB[HPI_MAX_CHANNELS], i;
2082 u16 err;
2083
2084 err = hpi_meter_get_peak(h_control, an_gain_mB);
2085
2086 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2087 if (err) {
2088 ucontrol->value.integer.value[i] = 0;
2089 } else if (an_gain_mB[i] >= 0) {
2090 ucontrol->value.integer.value[i] =
2091 an_gain_mB[i] << 16;
2092 } else {
2093 /* -ve is log value in millibels < -60dB,
2094 * convert to (roughly!) linear,
2095 */
2096 ucontrol->value.integer.value[i] =
2097 log2lin[an_gain_mB[i] / -1000];
2098 }
2099 }
2100 return 0;
2101 }
2102
2103 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2104 struct hpi_control *hpi_ctl, int subidx)
2105 {
2106 struct snd_card *card = asihpi->card;
2107 struct snd_kcontrol_new snd_control;
2108
2109 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2110 snd_control.access =
2111 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2112 snd_control.info = snd_asihpi_meter_info;
2113 snd_control.get = snd_asihpi_meter_get;
2114
2115 snd_control.index = subidx;
2116
2117 return ctl_add(card, &snd_control, asihpi);
2118 }
2119
2120 /*------------------------------------------------------------
2121 Multiplexer controls
2122 ------------------------------------------------------------*/
2123 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2124 {
2125 u32 h_control = snd_control->private_value;
2126 struct hpi_control hpi_ctl;
2127 int s, err;
2128 for (s = 0; s < 32; s++) {
2129 err = hpi_multiplexer_query_source(h_control, s,
2130 &hpi_ctl.
2131 src_node_type,
2132 &hpi_ctl.
2133 src_node_index);
2134 if (err)
2135 break;
2136 }
2137 return s;
2138 }
2139
2140 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2141 struct snd_ctl_elem_info *uinfo)
2142 {
2143 int err;
2144 u16 src_node_type, src_node_index;
2145 u32 h_control = kcontrol->private_value;
2146
2147 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2148 uinfo->count = 1;
2149 uinfo->value.enumerated.items =
2150 snd_card_asihpi_mux_count_sources(kcontrol);
2151
2152 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2153 uinfo->value.enumerated.item =
2154 uinfo->value.enumerated.items - 1;
2155
2156 err =
2157 hpi_multiplexer_query_source(h_control,
2158 uinfo->value.enumerated.item,
2159 &src_node_type, &src_node_index);
2160
2161 sprintf(uinfo->value.enumerated.name, "%s %d",
2162 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2163 src_node_index);
2164 return 0;
2165 }
2166
2167 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2168 struct snd_ctl_elem_value *ucontrol)
2169 {
2170 u32 h_control = kcontrol->private_value;
2171 u16 source_type, source_index;
2172 u16 src_node_type, src_node_index;
2173 int s;
2174
2175 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2176 &source_type, &source_index));
2177 /* Should cache this search result! */
2178 for (s = 0; s < 256; s++) {
2179 if (hpi_multiplexer_query_source(h_control, s,
2180 &src_node_type, &src_node_index))
2181 break;
2182
2183 if ((source_type == src_node_type)
2184 && (source_index == src_node_index)) {
2185 ucontrol->value.enumerated.item[0] = s;
2186 return 0;
2187 }
2188 }
2189 snd_printd(KERN_WARNING
2190 "Control %x failed to match mux source %hu %hu\n",
2191 h_control, source_type, source_index);
2192 ucontrol->value.enumerated.item[0] = 0;
2193 return 0;
2194 }
2195
2196 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2197 struct snd_ctl_elem_value *ucontrol)
2198 {
2199 int change;
2200 u32 h_control = kcontrol->private_value;
2201 u16 source_type, source_index;
2202 u16 e;
2203
2204 change = 1;
2205
2206 e = hpi_multiplexer_query_source(h_control,
2207 ucontrol->value.enumerated.item[0],
2208 &source_type, &source_index);
2209 if (!e)
2210 hpi_handle_error(
2211 hpi_multiplexer_set_source(h_control,
2212 source_type, source_index));
2213 return change;
2214 }
2215
2216
2217 static int __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2218 struct hpi_control *hpi_ctl)
2219 {
2220 struct snd_card *card = asihpi->card;
2221 struct snd_kcontrol_new snd_control;
2222
2223 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2224 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2225 snd_control.info = snd_asihpi_mux_info;
2226 snd_control.get = snd_asihpi_mux_get;
2227 snd_control.put = snd_asihpi_mux_put;
2228
2229 return ctl_add(card, &snd_control, asihpi);
2230
2231 }
2232
2233 /*------------------------------------------------------------
2234 Channel mode controls
2235 ------------------------------------------------------------*/
2236 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2237 struct snd_ctl_elem_info *uinfo)
2238 {
2239 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2240 "invalid",
2241 "Normal", "Swap",
2242 "From Left", "From Right",
2243 "To Left", "To Right"
2244 };
2245
2246 u32 h_control = kcontrol->private_value;
2247 u16 mode;
2248 int i;
2249 u16 mode_map[6];
2250 int valid_modes = 0;
2251
2252 /* HPI channel mode values can be from 1 to 6
2253 Some adapters only support a contiguous subset
2254 */
2255 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2256 if (!hpi_channel_mode_query_mode(
2257 h_control, i, &mode)) {
2258 mode_map[valid_modes] = mode;
2259 valid_modes++;
2260 }
2261
2262 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2263 uinfo->count = 1;
2264 uinfo->value.enumerated.items = valid_modes;
2265
2266 if (uinfo->value.enumerated.item >= valid_modes)
2267 uinfo->value.enumerated.item = valid_modes - 1;
2268
2269 strcpy(uinfo->value.enumerated.name,
2270 mode_names[mode_map[uinfo->value.enumerated.item]]);
2271
2272 return 0;
2273 }
2274
2275 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2276 struct snd_ctl_elem_value *ucontrol)
2277 {
2278 u32 h_control = kcontrol->private_value;
2279 u16 mode;
2280
2281 if (hpi_channel_mode_get(h_control, &mode))
2282 mode = 1;
2283
2284 ucontrol->value.enumerated.item[0] = mode - 1;
2285
2286 return 0;
2287 }
2288
2289 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2290 struct snd_ctl_elem_value *ucontrol)
2291 {
2292 int change;
2293 u32 h_control = kcontrol->private_value;
2294
2295 change = 1;
2296
2297 hpi_handle_error(hpi_channel_mode_set(h_control,
2298 ucontrol->value.enumerated.item[0] + 1));
2299 return change;
2300 }
2301
2302
2303 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2304 struct hpi_control *hpi_ctl)
2305 {
2306 struct snd_card *card = asihpi->card;
2307 struct snd_kcontrol_new snd_control;
2308
2309 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2310 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2311 snd_control.info = snd_asihpi_cmode_info;
2312 snd_control.get = snd_asihpi_cmode_get;
2313 snd_control.put = snd_asihpi_cmode_put;
2314
2315 return ctl_add(card, &snd_control, asihpi);
2316 }
2317
2318 /*------------------------------------------------------------
2319 Sampleclock source controls
2320 ------------------------------------------------------------*/
2321 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2322 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2323 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2324 "Prev Module",
2325 "Digital2", "Digital3", "Digital4", "Digital5",
2326 "Digital6", "Digital7", "Digital8"};
2327
2328 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2329 struct snd_ctl_elem_info *uinfo)
2330 {
2331 struct snd_card_asihpi *asihpi =
2332 (struct snd_card_asihpi *)(kcontrol->private_data);
2333 struct clk_cache *clkcache = &asihpi->cc;
2334 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2335 uinfo->count = 1;
2336 uinfo->value.enumerated.items = clkcache->count;
2337
2338 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2339 uinfo->value.enumerated.item =
2340 uinfo->value.enumerated.items - 1;
2341
2342 strcpy(uinfo->value.enumerated.name,
2343 clkcache->s[uinfo->value.enumerated.item].name);
2344 return 0;
2345 }
2346
2347 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2348 struct snd_ctl_elem_value *ucontrol)
2349 {
2350 struct snd_card_asihpi *asihpi =
2351 (struct snd_card_asihpi *)(kcontrol->private_data);
2352 struct clk_cache *clkcache = &asihpi->cc;
2353 u32 h_control = kcontrol->private_value;
2354 u16 source, srcindex = 0;
2355 int i;
2356
2357 ucontrol->value.enumerated.item[0] = 0;
2358 if (hpi_sample_clock_get_source(h_control, &source))
2359 source = 0;
2360
2361 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2362 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2363 srcindex = 0;
2364
2365 for (i = 0; i < clkcache->count; i++)
2366 if ((clkcache->s[i].source == source) &&
2367 (clkcache->s[i].index == srcindex))
2368 break;
2369
2370 ucontrol->value.enumerated.item[0] = i;
2371
2372 return 0;
2373 }
2374
2375 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2376 struct snd_ctl_elem_value *ucontrol)
2377 {
2378 struct snd_card_asihpi *asihpi =
2379 (struct snd_card_asihpi *)(kcontrol->private_data);
2380 struct clk_cache *clkcache = &asihpi->cc;
2381 int change, item;
2382 u32 h_control = kcontrol->private_value;
2383
2384 change = 1;
2385 item = ucontrol->value.enumerated.item[0];
2386 if (item >= clkcache->count)
2387 item = clkcache->count-1;
2388
2389 hpi_handle_error(hpi_sample_clock_set_source(
2390 h_control, clkcache->s[item].source));
2391
2392 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2393 hpi_handle_error(hpi_sample_clock_set_source_index(
2394 h_control, clkcache->s[item].index));
2395 return change;
2396 }
2397
2398 /*------------------------------------------------------------
2399 Clkrate controls
2400 ------------------------------------------------------------*/
2401 /* Need to change this to enumerated control with list of rates */
2402 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2403 struct snd_ctl_elem_info *uinfo)
2404 {
2405 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2406 uinfo->count = 1;
2407 uinfo->value.integer.min = 8000;
2408 uinfo->value.integer.max = 192000;
2409 uinfo->value.integer.step = 100;
2410
2411 return 0;
2412 }
2413
2414 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2415 struct snd_ctl_elem_value *ucontrol)
2416 {
2417 u32 h_control = kcontrol->private_value;
2418 u32 rate;
2419 u16 e;
2420
2421 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2422 if (!e)
2423 ucontrol->value.integer.value[0] = rate;
2424 else
2425 ucontrol->value.integer.value[0] = 0;
2426 return 0;
2427 }
2428
2429 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2430 struct snd_ctl_elem_value *ucontrol)
2431 {
2432 int change;
2433 u32 h_control = kcontrol->private_value;
2434
2435 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2436 asihpi->mixer_clkrate[addr][1] != right;
2437 */
2438 change = 1;
2439 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2440 ucontrol->value.integer.value[0]));
2441 return change;
2442 }
2443
2444 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2445 struct snd_ctl_elem_info *uinfo)
2446 {
2447 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2448 uinfo->count = 1;
2449 uinfo->value.integer.min = 8000;
2450 uinfo->value.integer.max = 192000;
2451 uinfo->value.integer.step = 100;
2452
2453 return 0;
2454 }
2455
2456 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2457 struct snd_ctl_elem_value *ucontrol)
2458 {
2459 u32 h_control = kcontrol->private_value;
2460 u32 rate;
2461 u16 e;
2462
2463 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2464 if (!e)
2465 ucontrol->value.integer.value[0] = rate;
2466 else
2467 ucontrol->value.integer.value[0] = 0;
2468 return 0;
2469 }
2470
2471 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2472 struct hpi_control *hpi_ctl)
2473 {
2474 struct snd_card *card = asihpi->card;
2475 struct snd_kcontrol_new snd_control;
2476
2477 struct clk_cache *clkcache = &asihpi->cc;
2478 u32 hSC = hpi_ctl->h_control;
2479 int has_aes_in = 0;
2480 int i, j;
2481 u16 source;
2482
2483 snd_control.private_value = hpi_ctl->h_control;
2484
2485 clkcache->has_local = 0;
2486
2487 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2488 if (hpi_sample_clock_query_source(hSC,
2489 i, &source))
2490 break;
2491 clkcache->s[i].source = source;
2492 clkcache->s[i].index = 0;
2493 clkcache->s[i].name = sampleclock_sources[source];
2494 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2495 has_aes_in = 1;
2496 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2497 clkcache->has_local = 1;
2498 }
2499 if (has_aes_in)
2500 /* already will have picked up index 0 above */
2501 for (j = 1; j < 8; j++) {
2502 if (hpi_sample_clock_query_source_index(hSC,
2503 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2504 &source))
2505 break;
2506 clkcache->s[i].source =
2507 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2508 clkcache->s[i].index = j;
2509 clkcache->s[i].name = sampleclock_sources[
2510 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2511 i++;
2512 }
2513 clkcache->count = i;
2514
2515 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2516 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2517 snd_control.info = snd_asihpi_clksrc_info;
2518 snd_control.get = snd_asihpi_clksrc_get;
2519 snd_control.put = snd_asihpi_clksrc_put;
2520 if (ctl_add(card, &snd_control, asihpi) < 0)
2521 return -EINVAL;
2522
2523
2524 if (clkcache->has_local) {
2525 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2526 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2527 snd_control.info = snd_asihpi_clklocal_info;
2528 snd_control.get = snd_asihpi_clklocal_get;
2529 snd_control.put = snd_asihpi_clklocal_put;
2530
2531
2532 if (ctl_add(card, &snd_control, asihpi) < 0)
2533 return -EINVAL;
2534 }
2535
2536 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2537 snd_control.access =
2538 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2539 snd_control.info = snd_asihpi_clkrate_info;
2540 snd_control.get = snd_asihpi_clkrate_get;
2541
2542 return ctl_add(card, &snd_control, asihpi);
2543 }
2544 /*------------------------------------------------------------
2545 Mixer
2546 ------------------------------------------------------------*/
2547
2548 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2549 {
2550 struct snd_card *card = asihpi->card;
2551 unsigned int idx = 0;
2552 unsigned int subindex = 0;
2553 int err;
2554 struct hpi_control hpi_ctl, prev_ctl;
2555
2556 if (snd_BUG_ON(!asihpi))
2557 return -EINVAL;
2558 strcpy(card->mixername, "Asihpi Mixer");
2559
2560 err =
2561 hpi_mixer_open(asihpi->adapter_index,
2562 &asihpi->h_mixer);
2563 hpi_handle_error(err);
2564 if (err)
2565 return -err;
2566
2567 memset(&prev_ctl, 0, sizeof(prev_ctl));
2568 prev_ctl.control_type = -1;
2569
2570 for (idx = 0; idx < 2000; idx++) {
2571 err = hpi_mixer_get_control_by_index(
2572 asihpi->h_mixer,
2573 idx,
2574 &hpi_ctl.src_node_type,
2575 &hpi_ctl.src_node_index,
2576 &hpi_ctl.dst_node_type,
2577 &hpi_ctl.dst_node_index,
2578 &hpi_ctl.control_type,
2579 &hpi_ctl.h_control);
2580 if (err) {
2581 if (err == HPI_ERROR_CONTROL_DISABLED) {
2582 if (mixer_dump)
2583 snd_printk(KERN_INFO
2584 "Disabled HPI Control(%d)\n",
2585 idx);
2586 continue;
2587 } else
2588 break;
2589
2590 }
2591
2592 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2593 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2594
2595 /* ASI50xx in SSX mode has multiple meters on the same node.
2596 Use subindex to create distinct ALSA controls
2597 for any duplicated controls.
2598 */
2599 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2600 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2601 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2602 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2603 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2604 subindex++;
2605 else
2606 subindex = 0;
2607
2608 prev_ctl = hpi_ctl;
2609
2610 switch (hpi_ctl.control_type) {
2611 case HPI_CONTROL_VOLUME:
2612 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2613 break;
2614 case HPI_CONTROL_LEVEL:
2615 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2616 break;
2617 case HPI_CONTROL_MULTIPLEXER:
2618 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2619 break;
2620 case HPI_CONTROL_CHANNEL_MODE:
2621 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2622 break;
2623 case HPI_CONTROL_METER:
2624 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2625 break;
2626 case HPI_CONTROL_SAMPLECLOCK:
2627 err = snd_asihpi_sampleclock_add(
2628 asihpi, &hpi_ctl);
2629 break;
2630 case HPI_CONTROL_CONNECTION: /* ignore these */
2631 continue;
2632 case HPI_CONTROL_TUNER:
2633 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2634 break;
2635 case HPI_CONTROL_AESEBU_TRANSMITTER:
2636 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2637 break;
2638 case HPI_CONTROL_AESEBU_RECEIVER:
2639 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2640 break;
2641 case HPI_CONTROL_VOX:
2642 case HPI_CONTROL_BITSTREAM:
2643 case HPI_CONTROL_MICROPHONE:
2644 case HPI_CONTROL_PARAMETRIC_EQ:
2645 case HPI_CONTROL_COMPANDER:
2646 default:
2647 if (mixer_dump)
2648 snd_printk(KERN_INFO
2649 "Untranslated HPI Control"
2650 "(%d) %d %d %d %d %d\n",
2651 idx,
2652 hpi_ctl.control_type,
2653 hpi_ctl.src_node_type,
2654 hpi_ctl.src_node_index,
2655 hpi_ctl.dst_node_type,
2656 hpi_ctl.dst_node_index);
2657 continue;
2658 };
2659 if (err < 0)
2660 return err;
2661 }
2662 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2663 hpi_handle_error(err);
2664
2665 snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2666
2667 return 0;
2668 }
2669
2670 /*------------------------------------------------------------
2671 /proc interface
2672 ------------------------------------------------------------*/
2673
2674 static void
2675 snd_asihpi_proc_read(struct snd_info_entry *entry,
2676 struct snd_info_buffer *buffer)
2677 {
2678 struct snd_card_asihpi *asihpi = entry->private_data;
2679 u16 version;
2680 u32 h_control;
2681 u32 rate = 0;
2682 u16 source = 0;
2683 int err;
2684
2685 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2686 snd_iprintf(buffer,
2687 "adapter ID=%4X\n_index=%d\n"
2688 "num_outstreams=%d\n_num_instreams=%d\n",
2689 asihpi->type, asihpi->adapter_index,
2690 asihpi->num_outstreams, asihpi->num_instreams);
2691
2692 version = asihpi->version;
2693 snd_iprintf(buffer,
2694 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n",
2695 asihpi->serial_number, ((version >> 3) & 0xf) + 'A',
2696 version & 0x7,
2697 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2698
2699 err = hpi_mixer_get_control(asihpi->h_mixer,
2700 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2701 HPI_CONTROL_SAMPLECLOCK, &h_control);
2702
2703 if (!err) {
2704 err = hpi_sample_clock_get_sample_rate(
2705 h_control, &rate);
2706 err += hpi_sample_clock_get_source(h_control, &source);
2707
2708 if (!err)
2709 snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
2710 rate, sampleclock_sources[source]);
2711 }
2712
2713 }
2714
2715
2716 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2717 {
2718 struct snd_info_entry *entry;
2719
2720 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2721 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2722 }
2723
2724 /*------------------------------------------------------------
2725 HWDEP
2726 ------------------------------------------------------------*/
2727
2728 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2729 {
2730 if (enable_hpi_hwdep)
2731 return 0;
2732 else
2733 return -ENODEV;
2734
2735 }
2736
2737 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2738 {
2739 if (enable_hpi_hwdep)
2740 return asihpi_hpi_release(file);
2741 else
2742 return -ENODEV;
2743 }
2744
2745 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2746 unsigned int cmd, unsigned long arg)
2747 {
2748 if (enable_hpi_hwdep)
2749 return asihpi_hpi_ioctl(file, cmd, arg);
2750 else
2751 return -ENODEV;
2752 }
2753
2754
2755 /* results in /dev/snd/hwC#D0 file for each card with index #
2756 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2757 */
2758 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2759 int device, struct snd_hwdep **rhwdep)
2760 {
2761 struct snd_hwdep *hw;
2762 int err;
2763
2764 if (rhwdep)
2765 *rhwdep = NULL;
2766 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2767 if (err < 0)
2768 return err;
2769 strcpy(hw->name, "asihpi (HPI)");
2770 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2771 hw->ops.open = snd_asihpi_hpi_open;
2772 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2773 hw->ops.release = snd_asihpi_hpi_release;
2774 hw->private_data = asihpi;
2775 if (rhwdep)
2776 *rhwdep = hw;
2777 return 0;
2778 }
2779
2780 /*------------------------------------------------------------
2781 CARD
2782 ------------------------------------------------------------*/
2783 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2784 const struct pci_device_id *pci_id)
2785 {
2786 int err;
2787
2788 u16 version;
2789 int pcm_substreams;
2790
2791 struct hpi_adapter *hpi_card;
2792 struct snd_card *card;
2793 struct snd_card_asihpi *asihpi;
2794
2795 u32 h_control;
2796 u32 h_stream;
2797
2798 static int dev;
2799 if (dev >= SNDRV_CARDS)
2800 return -ENODEV;
2801
2802 /* Should this be enable[hpi_card->index] ? */
2803 if (!enable[dev]) {
2804 dev++;
2805 return -ENOENT;
2806 }
2807
2808 err = asihpi_adapter_probe(pci_dev, pci_id);
2809 if (err < 0)
2810 return err;
2811
2812 hpi_card = pci_get_drvdata(pci_dev);
2813 /* first try to give the card the same index as its hardware index */
2814 err = snd_card_create(hpi_card->index,
2815 id[hpi_card->index], THIS_MODULE,
2816 sizeof(struct snd_card_asihpi),
2817 &card);
2818 if (err < 0) {
2819 /* if that fails, try the default index==next available */
2820 err =
2821 snd_card_create(index[dev], id[dev],
2822 THIS_MODULE,
2823 sizeof(struct snd_card_asihpi),
2824 &card);
2825 if (err < 0)
2826 return err;
2827 snd_printk(KERN_WARNING
2828 "**** WARNING **** Adapter index %d->ALSA index %d\n",
2829 hpi_card->index, card->number);
2830 }
2831
2832 snd_card_set_dev(card, &pci_dev->dev);
2833
2834 asihpi = (struct snd_card_asihpi *) card->private_data;
2835 asihpi->card = card;
2836 asihpi->pci = pci_dev;
2837 asihpi->adapter_index = hpi_card->index;
2838 hpi_handle_error(hpi_adapter_get_info(
2839 asihpi->adapter_index,
2840 &asihpi->num_outstreams,
2841 &asihpi->num_instreams,
2842 &asihpi->version,
2843 &asihpi->serial_number, &asihpi->type));
2844
2845 version = asihpi->version;
2846 snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d "
2847 "num_instreams=%d S/N=%d\n"
2848 "Hw Version %c%d DSP code version %03d\n",
2849 asihpi->type, asihpi->adapter_index,
2850 asihpi->num_outstreams,
2851 asihpi->num_instreams, asihpi->serial_number,
2852 ((version >> 3) & 0xf) + 'A',
2853 version & 0x7,
2854 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2855
2856 pcm_substreams = asihpi->num_outstreams;
2857 if (pcm_substreams < asihpi->num_instreams)
2858 pcm_substreams = asihpi->num_instreams;
2859
2860 err = hpi_adapter_get_property(asihpi->adapter_index,
2861 HPI_ADAPTER_PROPERTY_CAPS1,
2862 NULL, &asihpi->support_grouping);
2863 if (err)
2864 asihpi->support_grouping = 0;
2865
2866 err = hpi_adapter_get_property(asihpi->adapter_index,
2867 HPI_ADAPTER_PROPERTY_CAPS2,
2868 &asihpi->support_mrx, NULL);
2869 if (err)
2870 asihpi->support_mrx = 0;
2871
2872 err = hpi_adapter_get_property(asihpi->adapter_index,
2873 HPI_ADAPTER_PROPERTY_INTERVAL,
2874 NULL, &asihpi->update_interval_frames);
2875 if (err)
2876 asihpi->update_interval_frames = 512;
2877
2878 if (!asihpi->support_mmap)
2879 asihpi->update_interval_frames *= 2;
2880
2881 hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
2882 0, &h_stream));
2883
2884 err = hpi_instream_host_buffer_free(h_stream);
2885 asihpi->support_mmap = (!err);
2886
2887 hpi_handle_error(hpi_instream_close(h_stream));
2888
2889 err = hpi_adapter_get_property(asihpi->adapter_index,
2890 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2891 &asihpi->in_max_chans, &asihpi->out_max_chans);
2892 if (err) {
2893 asihpi->in_max_chans = 2;
2894 asihpi->out_max_chans = 2;
2895 }
2896
2897 snd_printk(KERN_INFO "supports mmap:%d grouping:%d mrx:%d\n",
2898 asihpi->support_mmap,
2899 asihpi->support_grouping,
2900 asihpi->support_mrx
2901 );
2902
2903 err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams);
2904 if (err < 0) {
2905 snd_printk(KERN_ERR "pcm_new failed\n");
2906 goto __nodev;
2907 }
2908 err = snd_card_asihpi_mixer_new(asihpi);
2909 if (err < 0) {
2910 snd_printk(KERN_ERR "mixer_new failed\n");
2911 goto __nodev;
2912 }
2913
2914 err = hpi_mixer_get_control(asihpi->h_mixer,
2915 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2916 HPI_CONTROL_SAMPLECLOCK, &h_control);
2917
2918 if (!err)
2919 err = hpi_sample_clock_set_local_rate(
2920 h_control, adapter_fs);
2921
2922 snd_asihpi_proc_init(asihpi);
2923
2924 /* always create, can be enabled or disabled dynamically
2925 by enable_hwdep module param*/
2926 snd_asihpi_hpi_new(asihpi, 0, NULL);
2927
2928 if (asihpi->support_mmap)
2929 strcpy(card->driver, "ASIHPI-MMAP");
2930 else
2931 strcpy(card->driver, "ASIHPI");
2932
2933 sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type);
2934 sprintf(card->longname, "%s %i",
2935 card->shortname, asihpi->adapter_index);
2936 err = snd_card_register(card);
2937
2938 if (!err) {
2939 hpi_card->snd_card_asihpi = card;
2940 dev++;
2941 return 0;
2942 }
2943 __nodev:
2944 snd_card_free(card);
2945 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2946 return err;
2947
2948 }
2949
2950 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2951 {
2952 struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev);
2953
2954 snd_card_free(hpi_card->snd_card_asihpi);
2955 hpi_card->snd_card_asihpi = NULL;
2956 asihpi_adapter_remove(pci_dev);
2957 }
2958
2959 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2960 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2961 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2962 (kernel_ulong_t)HPI_6205},
2963 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2964 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2965 (kernel_ulong_t)HPI_6000},
2966 {0,}
2967 };
2968 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2969
2970 static struct pci_driver driver = {
2971 .name = "asihpi",
2972 .id_table = asihpi_pci_tbl,
2973 .probe = snd_asihpi_probe,
2974 .remove = __devexit_p(snd_asihpi_remove),
2975 #ifdef CONFIG_PM
2976 /* .suspend = snd_asihpi_suspend,
2977 .resume = snd_asihpi_resume, */
2978 #endif
2979 };
2980
2981 static int __init snd_asihpi_init(void)
2982 {
2983 asihpi_init();
2984 return pci_register_driver(&driver);
2985 }
2986
2987 static void __exit snd_asihpi_exit(void)
2988 {
2989
2990 pci_unregister_driver(&driver);
2991 asihpi_exit();
2992 }
2993
2994 module_init(snd_asihpi_init)
2995 module_exit(snd_asihpi_exit)
2996
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