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Merge branch 'for-3.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...
[linux/fpc-iii.git] / sound / pci / asihpi / asihpi.c
blob5017176bfaa1359244f7d6857e03fe3ac0161a23
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 "hpi_version.h"
27 #include "hpimsginit.h"
28 #include "hpioctl.h"
29 #include "hpicmn.h"
30
31
32 #include <linux/pci.h>
33 #include <linux/init.h>
34 #include <linux/jiffies.h>
35 #include <linux/slab.h>
36 #include <linux/time.h>
37 #include <linux/wait.h>
38 #include <linux/module.h>
39 #include <sound/core.h>
40 #include <sound/control.h>
41 #include <sound/pcm.h>
42 #include <sound/pcm_params.h>
43 #include <sound/info.h>
44 #include <sound/initval.h>
45 #include <sound/tlv.h>
46 #include <sound/hwdep.h>
47
48 MODULE_LICENSE("GPL");
49 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
50 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx "
51 HPI_VER_STRING);
52
53 #if defined CONFIG_SND_DEBUG_VERBOSE
54 /**
55 * snd_printddd - very verbose debug printk
56 * @format: format string
57 *
58 * Works like snd_printk() for debugging purposes.
59 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
60 * Must set snd module debug parameter to 3 to enable at runtime.
61 */
62 #define snd_printddd(format, args...) \
63 __snd_printk(3, __FILE__, __LINE__, format, ##args)
64 #else
65 #define snd_printddd(format, args...) do { } while (0)
66 #endif
67
68 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
69 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
70 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
71 static bool enable_hpi_hwdep = 1;
72
73 module_param_array(index, int, NULL, S_IRUGO);
74 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
75
76 module_param_array(id, charp, NULL, S_IRUGO);
77 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
78
79 module_param_array(enable, bool, NULL, S_IRUGO);
80 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
81
82 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
83 MODULE_PARM_DESC(enable_hpi_hwdep,
84 "ALSA enable HPI hwdep for AudioScience soundcard ");
85
86 /* identify driver */
87 #ifdef KERNEL_ALSA_BUILD
88 static char *build_info = "Built using headers from kernel source";
89 module_param(build_info, charp, S_IRUGO);
90 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
91 #else
92 static char *build_info = "Built within ALSA source";
93 module_param(build_info, charp, S_IRUGO);
94 MODULE_PARM_DESC(build_info, "built within ALSA source");
95 #endif
96
97 /* set to 1 to dump every control from adapter to log */
98 static const int mixer_dump;
99
100 #define DEFAULT_SAMPLERATE 44100
101 static int adapter_fs = DEFAULT_SAMPLERATE;
102
103 /* defaults */
104 #define PERIODS_MIN 2
105 #define PERIOD_BYTES_MIN 2048
106 #define BUFFER_BYTES_MAX (512 * 1024)
107
108 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
109
110 struct clk_source {
111 int source;
112 int index;
113 char *name;
114 };
115
116 struct clk_cache {
117 int count;
118 int has_local;
119 struct clk_source s[MAX_CLOCKSOURCES];
120 };
121
122 /* Per card data */
123 struct snd_card_asihpi {
124 struct snd_card *card;
125 struct pci_dev *pci;
126 struct hpi_adapter *hpi;
127
128 u32 h_mixer;
129 struct clk_cache cc;
130
131 u16 can_dma;
132 u16 support_grouping;
133 u16 support_mrx;
134 u16 update_interval_frames;
135 u16 in_max_chans;
136 u16 out_max_chans;
137 u16 in_min_chans;
138 u16 out_min_chans;
139 };
140
141 /* Per stream data */
142 struct snd_card_asihpi_pcm {
143 struct timer_list timer;
144 unsigned int respawn_timer;
145 unsigned int hpi_buffer_attached;
146 unsigned int buffer_bytes;
147 unsigned int period_bytes;
148 unsigned int bytes_per_sec;
149 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
150 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */
151 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */
152 unsigned int drained_count;
153 struct snd_pcm_substream *substream;
154 u32 h_stream;
155 struct hpi_format format;
156 };
157
158 /* universal stream verbs work with out or in stream handles */
159
160 /* Functions to allow driver to give a buffer to HPI for busmastering */
161
162 static u16 hpi_stream_host_buffer_attach(
163 u32 h_stream, /* handle to outstream. */
164 u32 size_in_bytes, /* size in bytes of bus mastering buffer */
165 u32 pci_address
166 )
167 {
168 struct hpi_message hm;
169 struct hpi_response hr;
170 unsigned int obj = hpi_handle_object(h_stream);
171
172 if (!h_stream)
173 return HPI_ERROR_INVALID_OBJ;
174 hpi_init_message_response(&hm, &hr, obj,
175 obj == HPI_OBJ_OSTREAM ?
176 HPI_OSTREAM_HOSTBUFFER_ALLOC :
177 HPI_ISTREAM_HOSTBUFFER_ALLOC);
178
179 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
180 &hm.obj_index);
181
182 hm.u.d.u.buffer.buffer_size = size_in_bytes;
183 hm.u.d.u.buffer.pci_address = pci_address;
184 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
185 hpi_send_recv(&hm, &hr);
186 return hr.error;
187 }
188
189 static u16 hpi_stream_host_buffer_detach(u32 h_stream)
190 {
191 struct hpi_message hm;
192 struct hpi_response hr;
193 unsigned int obj = hpi_handle_object(h_stream);
194
195 if (!h_stream)
196 return HPI_ERROR_INVALID_OBJ;
197
198 hpi_init_message_response(&hm, &hr, obj,
199 obj == HPI_OBJ_OSTREAM ?
200 HPI_OSTREAM_HOSTBUFFER_FREE :
201 HPI_ISTREAM_HOSTBUFFER_FREE);
202
203 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
204 &hm.obj_index);
205 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
206 hpi_send_recv(&hm, &hr);
207 return hr.error;
208 }
209
210 static inline u16 hpi_stream_start(u32 h_stream)
211 {
212 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
213 return hpi_outstream_start(h_stream);
214 else
215 return hpi_instream_start(h_stream);
216 }
217
218 static inline u16 hpi_stream_stop(u32 h_stream)
219 {
220 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
221 return hpi_outstream_stop(h_stream);
222 else
223 return hpi_instream_stop(h_stream);
224 }
225
226 static inline u16 hpi_stream_get_info_ex(
227 u32 h_stream,
228 u16 *pw_state,
229 u32 *pbuffer_size,
230 u32 *pdata_in_buffer,
231 u32 *psample_count,
232 u32 *pauxiliary_data
233 )
234 {
235 u16 e;
236 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
237 e = hpi_outstream_get_info_ex(h_stream, pw_state,
238 pbuffer_size, pdata_in_buffer,
239 psample_count, pauxiliary_data);
240 else
241 e = hpi_instream_get_info_ex(h_stream, pw_state,
242 pbuffer_size, pdata_in_buffer,
243 psample_count, pauxiliary_data);
244 return e;
245 }
246
247 static inline u16 hpi_stream_group_add(
248 u32 h_master,
249 u32 h_stream)
250 {
251 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM)
252 return hpi_outstream_group_add(h_master, h_stream);
253 else
254 return hpi_instream_group_add(h_master, h_stream);
255 }
256
257 static inline u16 hpi_stream_group_reset(u32 h_stream)
258 {
259 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
260 return hpi_outstream_group_reset(h_stream);
261 else
262 return hpi_instream_group_reset(h_stream);
263 }
264
265 static inline u16 hpi_stream_group_get_map(
266 u32 h_stream, u32 *mo, u32 *mi)
267 {
268 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
269 return hpi_outstream_group_get_map(h_stream, mo, mi);
270 else
271 return hpi_instream_group_get_map(h_stream, mo, mi);
272 }
273
274 static u16 handle_error(u16 err, int line, char *filename)
275 {
276 if (err)
277 printk(KERN_WARNING
278 "in file %s, line %d: HPI error %d\n",
279 filename, line, err);
280 return err;
281 }
282
283 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__)
284
285 /***************************** GENERAL PCM ****************/
286
287 static void print_hwparams(struct snd_pcm_substream *substream,
288 struct snd_pcm_hw_params *p)
289 {
290 char name[16];
291 snd_pcm_debug_name(substream, name, sizeof(name));
292 snd_printd("%s HWPARAMS\n", name);
293 snd_printd(" samplerate %d Hz\n", params_rate(p));
294 snd_printd(" channels %d\n", params_channels(p));
295 snd_printd(" format %d\n", params_format(p));
296 snd_printd(" subformat %d\n", params_subformat(p));
297 snd_printd(" buffer %d B\n", params_buffer_bytes(p));
298 snd_printd(" period %d B\n", params_period_bytes(p));
299 snd_printd(" access %d\n", params_access(p));
300 snd_printd(" period_size %d\n", params_period_size(p));
301 snd_printd(" periods %d\n", params_periods(p));
302 snd_printd(" buffer_size %d\n", params_buffer_size(p));
303 snd_printd(" %d B/s\n", params_rate(p) *
304 params_channels(p) *
305 snd_pcm_format_width(params_format(p)) / 8);
306
307 }
308
309 static snd_pcm_format_t hpi_to_alsa_formats[] = {
310 -1, /* INVALID */
311 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
312 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
313 -1, /* HPI_FORMAT_MPEG_L1 3 */
314 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
315 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
316 -1, /* HPI_FORMAT_DOLBY_AC2 6 */
317 -1, /* HPI_FORMAT_DOLBY_AC3 7 */
318 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
319 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
320 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
321 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
322 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
323 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
324 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
325 #if 1
326 /* ALSA can't handle 3 byte sample size together with power-of-2
327 * constraint on buffer_bytes, so disable this format
328 */
329 -1
330 #else
331 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
332 #endif
333 };
334
335
336 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
337 u16 *hpi_format)
338 {
339 u16 format;
340
341 for (format = HPI_FORMAT_PCM8_UNSIGNED;
342 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
343 if (hpi_to_alsa_formats[format] == alsa_format) {
344 *hpi_format = format;
345 return 0;
346 }
347 }
348
349 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
350 alsa_format);
351 *hpi_format = 0;
352 return -EINVAL;
353 }
354
355 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
356 struct snd_pcm_hardware *pcmhw)
357 {
358 u16 err;
359 u32 h_control;
360 u32 sample_rate;
361 int idx;
362 unsigned int rate_min = 200000;
363 unsigned int rate_max = 0;
364 unsigned int rates = 0;
365
366 if (asihpi->support_mrx) {
367 rates |= SNDRV_PCM_RATE_CONTINUOUS;
368 rates |= SNDRV_PCM_RATE_8000_96000;
369 rate_min = 8000;
370 rate_max = 100000;
371 } else {
372 /* on cards without SRC,
373 valid rates are determined by sampleclock */
374 err = hpi_mixer_get_control(asihpi->h_mixer,
375 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
376 HPI_CONTROL_SAMPLECLOCK, &h_control);
377 if (err) {
378 snd_printk(KERN_ERR
379 "No local sampleclock, err %d\n", err);
380 }
381
382 for (idx = -1; idx < 100; idx++) {
383 if (idx == -1) {
384 if (hpi_sample_clock_get_sample_rate(h_control,
385 &sample_rate))
386 continue;
387 } else if (hpi_sample_clock_query_local_rate(h_control,
388 idx, &sample_rate)) {
389 break;
390 }
391
392 rate_min = min(rate_min, sample_rate);
393 rate_max = max(rate_max, sample_rate);
394
395 switch (sample_rate) {
396 case 5512:
397 rates |= SNDRV_PCM_RATE_5512;
398 break;
399 case 8000:
400 rates |= SNDRV_PCM_RATE_8000;
401 break;
402 case 11025:
403 rates |= SNDRV_PCM_RATE_11025;
404 break;
405 case 16000:
406 rates |= SNDRV_PCM_RATE_16000;
407 break;
408 case 22050:
409 rates |= SNDRV_PCM_RATE_22050;
410 break;
411 case 32000:
412 rates |= SNDRV_PCM_RATE_32000;
413 break;
414 case 44100:
415 rates |= SNDRV_PCM_RATE_44100;
416 break;
417 case 48000:
418 rates |= SNDRV_PCM_RATE_48000;
419 break;
420 case 64000:
421 rates |= SNDRV_PCM_RATE_64000;
422 break;
423 case 88200:
424 rates |= SNDRV_PCM_RATE_88200;
425 break;
426 case 96000:
427 rates |= SNDRV_PCM_RATE_96000;
428 break;
429 case 176400:
430 rates |= SNDRV_PCM_RATE_176400;
431 break;
432 case 192000:
433 rates |= SNDRV_PCM_RATE_192000;
434 break;
435 default: /* some other rate */
436 rates |= SNDRV_PCM_RATE_KNOT;
437 }
438 }
439 }
440
441 pcmhw->rates = rates;
442 pcmhw->rate_min = rate_min;
443 pcmhw->rate_max = rate_max;
444 }
445
446 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *params)
448 {
449 struct snd_pcm_runtime *runtime = substream->runtime;
450 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
451 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
452 int err;
453 u16 format;
454 int width;
455 unsigned int bytes_per_sec;
456
457 print_hwparams(substream, params);
458 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
459 if (err < 0)
460 return err;
461 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
462 if (err)
463 return err;
464
465 hpi_handle_error(hpi_format_create(&dpcm->format,
466 params_channels(params),
467 format, params_rate(params), 0, 0));
468
469 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
470 if (hpi_instream_reset(dpcm->h_stream) != 0)
471 return -EINVAL;
472
473 if (hpi_instream_set_format(
474 dpcm->h_stream, &dpcm->format) != 0)
475 return -EINVAL;
476 }
477
478 dpcm->hpi_buffer_attached = 0;
479 if (card->can_dma) {
480 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
481 params_buffer_bytes(params), runtime->dma_addr);
482 if (err == 0) {
483 snd_printdd(
484 "stream_host_buffer_attach succeeded %u %lu\n",
485 params_buffer_bytes(params),
486 (unsigned long)runtime->dma_addr);
487 } else {
488 snd_printd("stream_host_buffer_attach error %d\n",
489 err);
490 return -ENOMEM;
491 }
492
493 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
494 &dpcm->hpi_buffer_attached,
495 NULL, NULL, NULL);
496
497 snd_printdd("stream_host_buffer_attach status 0x%x\n",
498 dpcm->hpi_buffer_attached);
499
500 }
501 bytes_per_sec = params_rate(params) * params_channels(params);
502 width = snd_pcm_format_width(params_format(params));
503 bytes_per_sec *= width;
504 bytes_per_sec /= 8;
505 if (width < 0 || bytes_per_sec == 0)
506 return -EINVAL;
507
508 dpcm->bytes_per_sec = bytes_per_sec;
509 dpcm->buffer_bytes = params_buffer_bytes(params);
510 dpcm->period_bytes = params_period_bytes(params);
511
512 return 0;
513 }
514
515 static int
516 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
517 {
518 struct snd_pcm_runtime *runtime = substream->runtime;
519 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
520 if (dpcm->hpi_buffer_attached)
521 hpi_stream_host_buffer_detach(dpcm->h_stream);
522
523 snd_pcm_lib_free_pages(substream);
524 return 0;
525 }
526
527 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
528 {
529 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
530 kfree(dpcm);
531 }
532
533 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
534 substream)
535 {
536 struct snd_pcm_runtime *runtime = substream->runtime;
537 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
538 int expiry;
539
540 expiry = HZ / 200;
541 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
542 expiry = max(expiry, 1); /* don't let it be zero! */
543 dpcm->timer.expires = jiffies + expiry;
544 dpcm->respawn_timer = 1;
545 add_timer(&dpcm->timer);
546 }
547
548 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
549 {
550 struct snd_pcm_runtime *runtime = substream->runtime;
551 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
552
553 dpcm->respawn_timer = 0;
554 del_timer(&dpcm->timer);
555 }
556
557 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
558 int cmd)
559 {
560 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
561 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
562 struct snd_pcm_substream *s;
563 u16 e;
564 char name[16];
565
566 snd_pcm_debug_name(substream, name, sizeof(name));
567 snd_printdd("%s trigger\n", name);
568
569 switch (cmd) {
570 case SNDRV_PCM_TRIGGER_START:
571 snd_pcm_group_for_each_entry(s, substream) {
572 struct snd_pcm_runtime *runtime = s->runtime;
573 struct snd_card_asihpi_pcm *ds = runtime->private_data;
574
575 if (snd_pcm_substream_chip(s) != card)
576 continue;
577
578 /* don't link Cap and Play */
579 if (substream->stream != s->stream)
580 continue;
581
582 ds->drained_count = 0;
583 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
584 /* How do I know how much valid data is present
585 * in buffer? Must be at least one period!
586 * Guessing 2 periods, but if
587 * buffer is bigger it may contain even more
588 * data??
589 */
590 unsigned int preload = ds->period_bytes * 1;
591 snd_printddd("%d preload x%x\n", s->number, preload);
592 hpi_handle_error(hpi_outstream_write_buf(
593 ds->h_stream,
594 &runtime->dma_area[0],
595 preload,
596 &ds->format));
597 ds->pcm_buf_host_rw_ofs = preload;
598 }
599
600 if (card->support_grouping) {
601 snd_printdd("%d group\n", s->number);
602 e = hpi_stream_group_add(
603 dpcm->h_stream,
604 ds->h_stream);
605 if (!e) {
606 snd_pcm_trigger_done(s, substream);
607 } else {
608 hpi_handle_error(e);
609 break;
610 }
611 } else
612 break;
613 }
614 snd_printdd("start\n");
615 /* start the master stream */
616 snd_card_asihpi_pcm_timer_start(substream);
617 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
618 !card->can_dma)
619 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
620 break;
621
622 case SNDRV_PCM_TRIGGER_STOP:
623 snd_card_asihpi_pcm_timer_stop(substream);
624 snd_pcm_group_for_each_entry(s, substream) {
625 if (snd_pcm_substream_chip(s) != card)
626 continue;
627 /* don't link Cap and Play */
628 if (substream->stream != s->stream)
629 continue;
630
631 /*? workaround linked streams don't
632 transition to SETUP 20070706*/
633 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
634
635 if (card->support_grouping) {
636 snd_printdd("%d group\n", s->number);
637 snd_pcm_trigger_done(s, substream);
638 } else
639 break;
640 }
641 snd_printdd("stop\n");
642
643 /* _prepare and _hwparams reset the stream */
644 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
645 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
646 hpi_handle_error(
647 hpi_outstream_reset(dpcm->h_stream));
648
649 if (card->support_grouping)
650 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
651 break;
652
653 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
654 snd_printdd("pause release\n");
655 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
656 snd_card_asihpi_pcm_timer_start(substream);
657 break;
658 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
659 snd_printdd("pause\n");
660 snd_card_asihpi_pcm_timer_stop(substream);
661 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
662 break;
663 default:
664 snd_printd(KERN_ERR "\tINVALID\n");
665 return -EINVAL;
666 }
667
668 return 0;
669 }
670
671 /*algorithm outline
672 Without linking degenerates to getting single stream pos etc
673 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
674 */
675 /*
676 pcm_buf_dma_ofs=get_buf_pos(s);
677 for_each_linked_stream(s) {
678 pcm_buf_dma_ofs=get_buf_pos(s);
679 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
680 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
681 }
682 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
683 for_each_linked_stream(s) {
684 s->pcm_buf_dma_ofs = min_buf_pos;
685 if (new_data > period_bytes) {
686 if (mmap) {
687 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
688 if (playback) {
689 write(period_bytes);
690 } else {
691 read(period_bytes);
692 }
693 }
694 snd_pcm_period_elapsed(s);
695 }
696 }
697 */
698
699 /** Minimum of 2 modulo values. Works correctly when the difference between
700 * the values is less than half the modulus
701 */
702 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
703 unsigned long int modulus)
704 {
705 unsigned int result;
706 if (((a-b) % modulus) < (modulus/2))
707 result = b;
708 else
709 result = a;
710
711 return result;
712 }
713
714 /** Timer function, equivalent to interrupt service routine for cards
715 */
716 static void snd_card_asihpi_timer_function(unsigned long data)
717 {
718 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
719 struct snd_pcm_substream *substream = dpcm->substream;
720 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
721 struct snd_pcm_runtime *runtime;
722 struct snd_pcm_substream *s;
723 unsigned int newdata = 0;
724 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
725 unsigned int remdata, xfercount, next_jiffies;
726 int first = 1;
727 int loops = 0;
728 u16 state;
729 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
730 char name[16];
731
732 snd_pcm_debug_name(substream, name, sizeof(name));
733
734 snd_printdd("%s snd_card_asihpi_timer_function\n", name);
735
736 /* find minimum newdata and buffer pos in group */
737 snd_pcm_group_for_each_entry(s, substream) {
738 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
739 runtime = s->runtime;
740
741 if (snd_pcm_substream_chip(s) != card)
742 continue;
743
744 /* don't link Cap and Play */
745 if (substream->stream != s->stream)
746 continue;
747
748 hpi_handle_error(hpi_stream_get_info_ex(
749 ds->h_stream, &state,
750 &buffer_size, &bytes_avail,
751 &samples_played, &on_card_bytes));
752
753 /* number of bytes in on-card buffer */
754 runtime->delay = on_card_bytes;
755
756 if (!card->can_dma)
757 on_card_bytes = bytes_avail;
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 hpi_handle_error(hpi_stream_start(ds->h_stream));
764 snd_printdd("P%d start\n", s->number);
765 ds->drained_count = 0;
766 }
767 } else if (state == HPI_STATE_DRAINED) {
768 snd_printd(KERN_WARNING "P%d drained\n",
769 s->number);
770 ds->drained_count++;
771 if (ds->drained_count > 20) {
772 unsigned long flags;
773 snd_pcm_stream_lock_irqsave(s, flags);
774 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
775 snd_pcm_stream_unlock_irqrestore(s, flags);
776 continue;
777 }
778 } else {
779 ds->drained_count = 0;
780 }
781 } else
782 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
783
784 if (first) {
785 /* can't statically init min when wrap is involved */
786 min_buf_pos = pcm_buf_dma_ofs;
787 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
788 first = 0;
789 } else {
790 min_buf_pos =
791 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
792 newdata = min(
793 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
794 newdata);
795 }
796
797 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
798 (unsigned long)frames_to_bytes(runtime,
799 runtime->status->hw_ptr),
800 (unsigned long)frames_to_bytes(runtime,
801 runtime->control->appl_ptr));
802
803 snd_printdd("%d S=%d, "
804 "rw=0x%04X, dma=0x%04X, left=0x%04X, "
805 "aux=0x%04X space=0x%04X\n",
806 s->number, state,
807 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
808 (int)bytes_avail,
809 (int)on_card_bytes, buffer_size-bytes_avail);
810 loops++;
811 }
812 pcm_buf_dma_ofs = min_buf_pos;
813
814 remdata = newdata % dpcm->period_bytes;
815 xfercount = newdata - remdata; /* a multiple of period_bytes */
816 /* come back when on_card_bytes has decreased enough to allow
817 write to happen, or when data has been consumed to make another
818 period
819 */
820 if (xfercount && (on_card_bytes > dpcm->period_bytes))
821 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
822 else
823 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
824
825 next_jiffies = max(next_jiffies, 1U);
826 dpcm->timer.expires = jiffies + next_jiffies;
827 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
828 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
829
830 snd_pcm_group_for_each_entry(s, substream) {
831 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
832
833 /* don't link Cap and Play */
834 if (substream->stream != s->stream)
835 continue;
836
837 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
838
839 if (xfercount &&
840 /* Limit use of on card fifo for playback */
841 ((on_card_bytes <= ds->period_bytes) ||
842 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
843
844 {
845
846 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
847 unsigned int xfer1, xfer2;
848 char *pd = &s->runtime->dma_area[buf_ofs];
849
850 if (card->can_dma) { /* buffer wrap is handled at lower level */
851 xfer1 = xfercount;
852 xfer2 = 0;
853 } else {
854 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
855 xfer2 = xfercount - xfer1;
856 }
857
858 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
859 snd_printddd("P%d write1 0x%04X 0x%04X\n",
860 s->number, xfer1, buf_ofs);
861 hpi_handle_error(
862 hpi_outstream_write_buf(
863 ds->h_stream, pd, xfer1,
864 &ds->format));
865
866 if (xfer2) {
867 pd = s->runtime->dma_area;
868
869 snd_printddd("P%d write2 0x%04X 0x%04X\n",
870 s->number,
871 xfercount - xfer1, buf_ofs);
872 hpi_handle_error(
873 hpi_outstream_write_buf(
874 ds->h_stream, pd,
875 xfercount - xfer1,
876 &ds->format));
877 }
878 } else {
879 snd_printddd("C%d read1 0x%04x\n",
880 s->number, xfer1);
881 hpi_handle_error(
882 hpi_instream_read_buf(
883 ds->h_stream,
884 pd, xfer1));
885 if (xfer2) {
886 pd = s->runtime->dma_area;
887 snd_printddd("C%d read2 0x%04x\n",
888 s->number, xfer2);
889 hpi_handle_error(
890 hpi_instream_read_buf(
891 ds->h_stream,
892 pd, xfer2));
893 }
894 }
895 ds->pcm_buf_host_rw_ofs += xfercount;
896 ds->pcm_buf_elapsed_dma_ofs += xfercount;
897 snd_pcm_period_elapsed(s);
898 }
899 }
900
901 if (dpcm->respawn_timer)
902 add_timer(&dpcm->timer);
903 }
904
905 /***************************** PLAYBACK OPS ****************/
906 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
907 unsigned int cmd, void *arg)
908 {
909 char name[16];
910 snd_pcm_debug_name(substream, name, sizeof(name));
911 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
912 return snd_pcm_lib_ioctl(substream, cmd, arg);
913 }
914
915 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
916 substream)
917 {
918 struct snd_pcm_runtime *runtime = substream->runtime;
919 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
920
921 snd_printdd("P%d prepare\n", substream->number);
922
923 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
924 dpcm->pcm_buf_host_rw_ofs = 0;
925 dpcm->pcm_buf_dma_ofs = 0;
926 dpcm->pcm_buf_elapsed_dma_ofs = 0;
927 return 0;
928 }
929
930 static snd_pcm_uframes_t
931 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
932 {
933 struct snd_pcm_runtime *runtime = substream->runtime;
934 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
935 snd_pcm_uframes_t ptr;
936 char name[16];
937 snd_pcm_debug_name(substream, name, sizeof(name));
938
939 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
940 snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr);
941 return ptr;
942 }
943
944 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
945 u32 h_stream)
946 {
947 struct hpi_format hpi_format;
948 u16 format;
949 u16 err;
950 u32 h_control;
951 u32 sample_rate = 48000;
952 u64 formats = 0;
953
954 /* on cards without SRC, must query at valid rate,
955 * maybe set by external sync
956 */
957 err = hpi_mixer_get_control(asihpi->h_mixer,
958 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
959 HPI_CONTROL_SAMPLECLOCK, &h_control);
960
961 if (!err)
962 err = hpi_sample_clock_get_sample_rate(h_control,
963 &sample_rate);
964
965 for (format = HPI_FORMAT_PCM8_UNSIGNED;
966 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
967 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
968 format, sample_rate, 128000, 0);
969 if (!err)
970 err = hpi_outstream_query_format(h_stream, &hpi_format);
971 if (!err && (hpi_to_alsa_formats[format] != -1))
972 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
973 }
974 return formats;
975 }
976
977 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
978 {
979 struct snd_pcm_runtime *runtime = substream->runtime;
980 struct snd_card_asihpi_pcm *dpcm;
981 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
982 struct snd_pcm_hardware snd_card_asihpi_playback;
983 int err;
984
985 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
986 if (dpcm == NULL)
987 return -ENOMEM;
988
989 err = hpi_outstream_open(card->hpi->adapter->index,
990 substream->number, &dpcm->h_stream);
991 hpi_handle_error(err);
992 if (err)
993 kfree(dpcm);
994 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
995 return -EBUSY;
996 if (err)
997 return -EIO;
998
999 /*? also check ASI5000 samplerate source
1000 If external, only support external rate.
1001 If internal and other stream playing, can't switch
1002 */
1003
1004 init_timer(&dpcm->timer);
1005 dpcm->timer.data = (unsigned long) dpcm;
1006 dpcm->timer.function = snd_card_asihpi_timer_function;
1007 dpcm->substream = substream;
1008 runtime->private_data = dpcm;
1009 runtime->private_free = snd_card_asihpi_runtime_free;
1010
1011 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1012 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1013 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1014 /*?snd_card_asihpi_playback.period_bytes_min =
1015 card->out_max_chans * 4096; */
1016 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1017 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1018 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1019 /* snd_card_asihpi_playback.fifo_size = 0; */
1020 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1021 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1022 snd_card_asihpi_playback.formats =
1023 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1024
1025 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1026
1027 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1028 SNDRV_PCM_INFO_DOUBLE |
1029 SNDRV_PCM_INFO_BATCH |
1030 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1031 SNDRV_PCM_INFO_PAUSE |
1032 SNDRV_PCM_INFO_MMAP |
1033 SNDRV_PCM_INFO_MMAP_VALID;
1034
1035 if (card->support_grouping) {
1036 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1037 snd_pcm_set_sync(substream);
1038 }
1039
1040 /* struct is copied, so can create initializer dynamically */
1041 runtime->hw = snd_card_asihpi_playback;
1042
1043 if (card->can_dma)
1044 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1045 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1046 if (err < 0)
1047 return err;
1048
1049 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1050 card->update_interval_frames);
1051
1052 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1053 card->update_interval_frames * 2, UINT_MAX);
1054
1055 snd_printdd("playback open\n");
1056
1057 return 0;
1058 }
1059
1060 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1061 {
1062 struct snd_pcm_runtime *runtime = substream->runtime;
1063 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1064
1065 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1066 snd_printdd("playback close\n");
1067
1068 return 0;
1069 }
1070
1071 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1072 .open = snd_card_asihpi_playback_open,
1073 .close = snd_card_asihpi_playback_close,
1074 .ioctl = snd_card_asihpi_playback_ioctl,
1075 .hw_params = snd_card_asihpi_pcm_hw_params,
1076 .hw_free = snd_card_asihpi_hw_free,
1077 .prepare = snd_card_asihpi_playback_prepare,
1078 .trigger = snd_card_asihpi_trigger,
1079 .pointer = snd_card_asihpi_playback_pointer,
1080 };
1081
1082 /***************************** CAPTURE OPS ****************/
1083 static snd_pcm_uframes_t
1084 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1085 {
1086 struct snd_pcm_runtime *runtime = substream->runtime;
1087 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1088
1089 snd_printddd("capture pointer %d=%d\n",
1090 substream->number, dpcm->pcm_buf_dma_ofs);
1091 /* NOTE Unlike playback can't use actual samples_played
1092 for the capture position, because those samples aren't yet in
1093 the local buffer available for reading.
1094 */
1095 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1096 }
1097
1098 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1099 unsigned int cmd, void *arg)
1100 {
1101 return snd_pcm_lib_ioctl(substream, cmd, arg);
1102 }
1103
1104 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1105 {
1106 struct snd_pcm_runtime *runtime = substream->runtime;
1107 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1108
1109 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1110 dpcm->pcm_buf_host_rw_ofs = 0;
1111 dpcm->pcm_buf_dma_ofs = 0;
1112 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1113
1114 snd_printdd("Capture Prepare %d\n", substream->number);
1115 return 0;
1116 }
1117
1118
1119
1120 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1121 u32 h_stream)
1122 {
1123 struct hpi_format hpi_format;
1124 u16 format;
1125 u16 err;
1126 u32 h_control;
1127 u32 sample_rate = 48000;
1128 u64 formats = 0;
1129
1130 /* on cards without SRC, must query at valid rate,
1131 maybe set by external sync */
1132 err = hpi_mixer_get_control(asihpi->h_mixer,
1133 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1134 HPI_CONTROL_SAMPLECLOCK, &h_control);
1135
1136 if (!err)
1137 err = hpi_sample_clock_get_sample_rate(h_control,
1138 &sample_rate);
1139
1140 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1141 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1142
1143 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1144 format, sample_rate, 128000, 0);
1145 if (!err)
1146 err = hpi_instream_query_format(h_stream, &hpi_format);
1147 if (!err && (hpi_to_alsa_formats[format] != -1))
1148 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1149 }
1150 return formats;
1151 }
1152
1153 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1154 {
1155 struct snd_pcm_runtime *runtime = substream->runtime;
1156 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1157 struct snd_card_asihpi_pcm *dpcm;
1158 struct snd_pcm_hardware snd_card_asihpi_capture;
1159 int err;
1160
1161 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1162 if (dpcm == NULL)
1163 return -ENOMEM;
1164
1165 snd_printdd("capture open adapter %d stream %d\n",
1166 card->hpi->adapter->index, substream->number);
1167
1168 err = hpi_handle_error(
1169 hpi_instream_open(card->hpi->adapter->index,
1170 substream->number, &dpcm->h_stream));
1171 if (err)
1172 kfree(dpcm);
1173 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1174 return -EBUSY;
1175 if (err)
1176 return -EIO;
1177
1178 init_timer(&dpcm->timer);
1179 dpcm->timer.data = (unsigned long) dpcm;
1180 dpcm->timer.function = snd_card_asihpi_timer_function;
1181 dpcm->substream = substream;
1182 runtime->private_data = dpcm;
1183 runtime->private_free = snd_card_asihpi_runtime_free;
1184
1185 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1186 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1187 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1188 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1189 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1190 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1191 /* snd_card_asihpi_capture.fifo_size = 0; */
1192 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1193 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1194 snd_card_asihpi_capture.formats =
1195 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1196 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1197 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1198 SNDRV_PCM_INFO_MMAP |
1199 SNDRV_PCM_INFO_MMAP_VALID;
1200
1201 if (card->support_grouping)
1202 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1203
1204 runtime->hw = snd_card_asihpi_capture;
1205
1206 if (card->can_dma)
1207 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1208 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1209 if (err < 0)
1210 return err;
1211
1212 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1213 card->update_interval_frames);
1214 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1215 card->update_interval_frames * 2, UINT_MAX);
1216
1217 snd_pcm_set_sync(substream);
1218
1219 return 0;
1220 }
1221
1222 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1223 {
1224 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1225
1226 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1227 return 0;
1228 }
1229
1230 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1231 .open = snd_card_asihpi_capture_open,
1232 .close = snd_card_asihpi_capture_close,
1233 .ioctl = snd_card_asihpi_capture_ioctl,
1234 .hw_params = snd_card_asihpi_pcm_hw_params,
1235 .hw_free = snd_card_asihpi_hw_free,
1236 .prepare = snd_card_asihpi_capture_prepare,
1237 .trigger = snd_card_asihpi_trigger,
1238 .pointer = snd_card_asihpi_capture_pointer,
1239 };
1240
1241 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device)
1242 {
1243 struct snd_pcm *pcm;
1244 int err;
1245 u16 num_instreams, num_outstreams, x16;
1246 u32 x32;
1247
1248 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1249 &num_outstreams, &num_instreams,
1250 &x16, &x32, &x16);
1251
1252 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1253 num_outstreams, num_instreams, &pcm);
1254 if (err < 0)
1255 return err;
1256
1257 /* pointer to ops struct is stored, dont change ops afterwards! */
1258 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1259 &snd_card_asihpi_playback_mmap_ops);
1260 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1261 &snd_card_asihpi_capture_mmap_ops);
1262
1263 pcm->private_data = asihpi;
1264 pcm->info_flags = 0;
1265 strcpy(pcm->name, "Asihpi PCM");
1266
1267 /*? do we want to emulate MMAP for non-BBM cards?
1268 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1269 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1270 snd_dma_pci_data(asihpi->pci),
1271 64*1024, BUFFER_BYTES_MAX);
1272
1273 return 0;
1274 }
1275
1276 /***************************** MIXER CONTROLS ****************/
1277 struct hpi_control {
1278 u32 h_control;
1279 u16 control_type;
1280 u16 src_node_type;
1281 u16 src_node_index;
1282 u16 dst_node_type;
1283 u16 dst_node_index;
1284 u16 band;
1285 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */
1286 };
1287
1288 static const char * const asihpi_tuner_band_names[] = {
1289 "invalid",
1290 "AM",
1291 "FM mono",
1292 "TV NTSC-M",
1293 "FM stereo",
1294 "AUX",
1295 "TV PAL BG",
1296 "TV PAL I",
1297 "TV PAL DK",
1298 "TV SECAM",
1299 };
1300
1301 compile_time_assert(
1302 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1303 (HPI_TUNER_BAND_LAST+1)),
1304 assert_tuner_band_names_size);
1305
1306 static const char * const asihpi_src_names[] = {
1307 "no source",
1308 "PCM",
1309 "Line",
1310 "Digital",
1311 "Tuner",
1312 "RF",
1313 "Clock",
1314 "Bitstream",
1315 "Mic",
1316 "Net",
1317 "Analog",
1318 "Adapter",
1319 "RTP",
1320 "Internal"
1321 };
1322
1323 compile_time_assert(
1324 (ARRAY_SIZE(asihpi_src_names) ==
1325 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1326 assert_src_names_size);
1327
1328 static const char * const asihpi_dst_names[] = {
1329 "no destination",
1330 "PCM",
1331 "Line",
1332 "Digital",
1333 "RF",
1334 "Speaker",
1335 "Net",
1336 "Analog",
1337 "RTP",
1338 };
1339
1340 compile_time_assert(
1341 (ARRAY_SIZE(asihpi_dst_names) ==
1342 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1343 assert_dst_names_size);
1344
1345 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1346 struct snd_card_asihpi *asihpi)
1347 {
1348 int err;
1349
1350 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1351 if (err < 0)
1352 return err;
1353 else if (mixer_dump)
1354 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1355
1356 return 0;
1357 }
1358
1359 /* Convert HPI control name and location into ALSA control name */
1360 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1361 struct hpi_control *hpi_ctl,
1362 char *name)
1363 {
1364 char *dir;
1365 memset(snd_control, 0, sizeof(*snd_control));
1366 snd_control->name = hpi_ctl->name;
1367 snd_control->private_value = hpi_ctl->h_control;
1368 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1369 snd_control->index = 0;
1370
1371 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1372 dir = ""; /* clock is neither capture nor playback */
1373 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1374 dir = "Capture "; /* On or towards a PCM capture destination*/
1375 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1376 (!hpi_ctl->dst_node_type))
1377 dir = "Capture "; /* On a source node that is not PCM playback */
1378 else if (hpi_ctl->src_node_type &&
1379 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1380 (hpi_ctl->dst_node_type))
1381 dir = "Monitor Playback "; /* Between an input and an output */
1382 else
1383 dir = "Playback "; /* PCM Playback source, or output node */
1384
1385 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1386 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1387 asihpi_src_names[hpi_ctl->src_node_type],
1388 hpi_ctl->src_node_index,
1389 asihpi_dst_names[hpi_ctl->dst_node_type],
1390 hpi_ctl->dst_node_index,
1391 dir, name);
1392 else if (hpi_ctl->dst_node_type) {
1393 sprintf(hpi_ctl->name, "%s %d %s%s",
1394 asihpi_dst_names[hpi_ctl->dst_node_type],
1395 hpi_ctl->dst_node_index,
1396 dir, name);
1397 } else {
1398 sprintf(hpi_ctl->name, "%s %d %s%s",
1399 asihpi_src_names[hpi_ctl->src_node_type],
1400 hpi_ctl->src_node_index,
1401 dir, name);
1402 }
1403 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1404 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1405 }
1406
1407 /*------------------------------------------------------------
1408 Volume controls
1409 ------------------------------------------------------------*/
1410 #define VOL_STEP_mB 1
1411 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1412 struct snd_ctl_elem_info *uinfo)
1413 {
1414 u32 h_control = kcontrol->private_value;
1415 u32 count;
1416 u16 err;
1417 /* native gains are in millibels */
1418 short min_gain_mB;
1419 short max_gain_mB;
1420 short step_gain_mB;
1421
1422 err = hpi_volume_query_range(h_control,
1423 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1424 if (err) {
1425 max_gain_mB = 0;
1426 min_gain_mB = -10000;
1427 step_gain_mB = VOL_STEP_mB;
1428 }
1429
1430 err = hpi_meter_query_channels(h_control, &count);
1431 if (err)
1432 count = HPI_MAX_CHANNELS;
1433
1434 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1435 uinfo->count = count;
1436 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1437 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1438 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1439 return 0;
1440 }
1441
1442 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1443 struct snd_ctl_elem_value *ucontrol)
1444 {
1445 u32 h_control = kcontrol->private_value;
1446 short an_gain_mB[HPI_MAX_CHANNELS];
1447
1448 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1449 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1450 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1451
1452 return 0;
1453 }
1454
1455 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1456 struct snd_ctl_elem_value *ucontrol)
1457 {
1458 int change;
1459 u32 h_control = kcontrol->private_value;
1460 short an_gain_mB[HPI_MAX_CHANNELS];
1461
1462 an_gain_mB[0] =
1463 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1464 an_gain_mB[1] =
1465 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1466 /* change = asihpi->mixer_volume[addr][0] != left ||
1467 asihpi->mixer_volume[addr][1] != right;
1468 */
1469 change = 1;
1470 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1471 return change;
1472 }
1473
1474 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1475
1476 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1477
1478 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1479 struct snd_ctl_elem_value *ucontrol)
1480 {
1481 u32 h_control = kcontrol->private_value;
1482 u32 mute;
1483
1484 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1485 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1486
1487 return 0;
1488 }
1489
1490 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1491 struct snd_ctl_elem_value *ucontrol)
1492 {
1493 u32 h_control = kcontrol->private_value;
1494 int change = 1;
1495 /* HPI currently only supports all or none muting of multichannel volume
1496 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1497 */
1498 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1499 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1500 return change;
1501 }
1502
1503 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1504 struct hpi_control *hpi_ctl)
1505 {
1506 struct snd_card *card = asihpi->card;
1507 struct snd_kcontrol_new snd_control;
1508 int err;
1509 u32 mute;
1510
1511 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1512 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1513 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1514 snd_control.info = snd_asihpi_volume_info;
1515 snd_control.get = snd_asihpi_volume_get;
1516 snd_control.put = snd_asihpi_volume_put;
1517 snd_control.tlv.p = db_scale_100;
1518
1519 err = ctl_add(card, &snd_control, asihpi);
1520 if (err)
1521 return err;
1522
1523 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1524 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1525 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1526 snd_control.info = snd_asihpi_volume_mute_info;
1527 snd_control.get = snd_asihpi_volume_mute_get;
1528 snd_control.put = snd_asihpi_volume_mute_put;
1529 err = ctl_add(card, &snd_control, asihpi);
1530 }
1531 return err;
1532 }
1533
1534 /*------------------------------------------------------------
1535 Level controls
1536 ------------------------------------------------------------*/
1537 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1538 struct snd_ctl_elem_info *uinfo)
1539 {
1540 u32 h_control = kcontrol->private_value;
1541 u16 err;
1542 short min_gain_mB;
1543 short max_gain_mB;
1544 short step_gain_mB;
1545
1546 err =
1547 hpi_level_query_range(h_control, &min_gain_mB,
1548 &max_gain_mB, &step_gain_mB);
1549 if (err) {
1550 max_gain_mB = 2400;
1551 min_gain_mB = -1000;
1552 step_gain_mB = 100;
1553 }
1554
1555 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1556 uinfo->count = 2;
1557 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1558 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1559 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1560 return 0;
1561 }
1562
1563 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1564 struct snd_ctl_elem_value *ucontrol)
1565 {
1566 u32 h_control = kcontrol->private_value;
1567 short an_gain_mB[HPI_MAX_CHANNELS];
1568
1569 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1570 ucontrol->value.integer.value[0] =
1571 an_gain_mB[0] / HPI_UNITS_PER_dB;
1572 ucontrol->value.integer.value[1] =
1573 an_gain_mB[1] / HPI_UNITS_PER_dB;
1574
1575 return 0;
1576 }
1577
1578 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1579 struct snd_ctl_elem_value *ucontrol)
1580 {
1581 int change;
1582 u32 h_control = kcontrol->private_value;
1583 short an_gain_mB[HPI_MAX_CHANNELS];
1584
1585 an_gain_mB[0] =
1586 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1587 an_gain_mB[1] =
1588 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1589 /* change = asihpi->mixer_level[addr][0] != left ||
1590 asihpi->mixer_level[addr][1] != right;
1591 */
1592 change = 1;
1593 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1594 return change;
1595 }
1596
1597 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1598
1599 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1600 struct hpi_control *hpi_ctl)
1601 {
1602 struct snd_card *card = asihpi->card;
1603 struct snd_kcontrol_new snd_control;
1604
1605 /* can't use 'volume' cos some nodes have volume as well */
1606 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1607 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1608 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1609 snd_control.info = snd_asihpi_level_info;
1610 snd_control.get = snd_asihpi_level_get;
1611 snd_control.put = snd_asihpi_level_put;
1612 snd_control.tlv.p = db_scale_level;
1613
1614 return ctl_add(card, &snd_control, asihpi);
1615 }
1616
1617 /*------------------------------------------------------------
1618 AESEBU controls
1619 ------------------------------------------------------------*/
1620
1621 /* AESEBU format */
1622 static const char * const asihpi_aesebu_format_names[] = {
1623 "N/A", "S/PDIF", "AES/EBU" };
1624
1625 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1626 struct snd_ctl_elem_info *uinfo)
1627 {
1628 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1629 uinfo->count = 1;
1630 uinfo->value.enumerated.items = 3;
1631
1632 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1633 uinfo->value.enumerated.item =
1634 uinfo->value.enumerated.items - 1;
1635
1636 strcpy(uinfo->value.enumerated.name,
1637 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1638
1639 return 0;
1640 }
1641
1642 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1643 struct snd_ctl_elem_value *ucontrol,
1644 u16 (*func)(u32, u16 *))
1645 {
1646 u32 h_control = kcontrol->private_value;
1647 u16 source, err;
1648
1649 err = func(h_control, &source);
1650
1651 /* default to N/A */
1652 ucontrol->value.enumerated.item[0] = 0;
1653 /* return success but set the control to N/A */
1654 if (err)
1655 return 0;
1656 if (source == HPI_AESEBU_FORMAT_SPDIF)
1657 ucontrol->value.enumerated.item[0] = 1;
1658 if (source == HPI_AESEBU_FORMAT_AESEBU)
1659 ucontrol->value.enumerated.item[0] = 2;
1660
1661 return 0;
1662 }
1663
1664 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1665 struct snd_ctl_elem_value *ucontrol,
1666 u16 (*func)(u32, u16))
1667 {
1668 u32 h_control = kcontrol->private_value;
1669
1670 /* default to S/PDIF */
1671 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1672
1673 if (ucontrol->value.enumerated.item[0] == 1)
1674 source = HPI_AESEBU_FORMAT_SPDIF;
1675 if (ucontrol->value.enumerated.item[0] == 2)
1676 source = HPI_AESEBU_FORMAT_AESEBU;
1677
1678 if (func(h_control, source) != 0)
1679 return -EINVAL;
1680
1681 return 1;
1682 }
1683
1684 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1685 struct snd_ctl_elem_value *ucontrol) {
1686 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1687 hpi_aesebu_receiver_get_format);
1688 }
1689
1690 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1691 struct snd_ctl_elem_value *ucontrol) {
1692 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1693 hpi_aesebu_receiver_set_format);
1694 }
1695
1696 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1697 struct snd_ctl_elem_info *uinfo)
1698 {
1699 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1700 uinfo->count = 1;
1701
1702 uinfo->value.integer.min = 0;
1703 uinfo->value.integer.max = 0X1F;
1704 uinfo->value.integer.step = 1;
1705
1706 return 0;
1707 }
1708
1709 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1710 struct snd_ctl_elem_value *ucontrol) {
1711
1712 u32 h_control = kcontrol->private_value;
1713 u16 status;
1714
1715 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1716 h_control, &status));
1717 ucontrol->value.integer.value[0] = status;
1718 return 0;
1719 }
1720
1721 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1722 struct hpi_control *hpi_ctl)
1723 {
1724 struct snd_card *card = asihpi->card;
1725 struct snd_kcontrol_new snd_control;
1726
1727 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1728 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1729 snd_control.info = snd_asihpi_aesebu_format_info;
1730 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1731 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1732
1733
1734 if (ctl_add(card, &snd_control, asihpi) < 0)
1735 return -EINVAL;
1736
1737 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1738 snd_control.access =
1739 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1740 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1741 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1742
1743 return ctl_add(card, &snd_control, asihpi);
1744 }
1745
1746 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1747 struct snd_ctl_elem_value *ucontrol) {
1748 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1749 hpi_aesebu_transmitter_get_format);
1750 }
1751
1752 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1753 struct snd_ctl_elem_value *ucontrol) {
1754 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1755 hpi_aesebu_transmitter_set_format);
1756 }
1757
1758
1759 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1760 struct hpi_control *hpi_ctl)
1761 {
1762 struct snd_card *card = asihpi->card;
1763 struct snd_kcontrol_new snd_control;
1764
1765 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1766 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1767 snd_control.info = snd_asihpi_aesebu_format_info;
1768 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1769 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1770
1771 return ctl_add(card, &snd_control, asihpi);
1772 }
1773
1774 /*------------------------------------------------------------
1775 Tuner controls
1776 ------------------------------------------------------------*/
1777
1778 /* Gain */
1779
1780 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1781 struct snd_ctl_elem_info *uinfo)
1782 {
1783 u32 h_control = kcontrol->private_value;
1784 u16 err;
1785 short idx;
1786 u16 gain_range[3];
1787
1788 for (idx = 0; idx < 3; idx++) {
1789 err = hpi_tuner_query_gain(h_control,
1790 idx, &gain_range[idx]);
1791 if (err != 0)
1792 return err;
1793 }
1794
1795 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1796 uinfo->count = 1;
1797 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1798 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1799 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1800 return 0;
1801 }
1802
1803 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1804 struct snd_ctl_elem_value *ucontrol)
1805 {
1806 /*
1807 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1808 */
1809 u32 h_control = kcontrol->private_value;
1810 short gain;
1811
1812 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1813 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1814
1815 return 0;
1816 }
1817
1818 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1819 struct snd_ctl_elem_value *ucontrol)
1820 {
1821 /*
1822 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1823 */
1824 u32 h_control = kcontrol->private_value;
1825 short gain;
1826
1827 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1828 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1829
1830 return 1;
1831 }
1832
1833 /* Band */
1834
1835 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1836 u16 *band_list, u32 len) {
1837 u32 h_control = kcontrol->private_value;
1838 u16 err = 0;
1839 u32 i;
1840
1841 for (i = 0; i < len; i++) {
1842 err = hpi_tuner_query_band(
1843 h_control, i, &band_list[i]);
1844 if (err != 0)
1845 break;
1846 }
1847
1848 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1849 return -EIO;
1850
1851 return i;
1852 }
1853
1854 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1855 struct snd_ctl_elem_info *uinfo)
1856 {
1857 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1858 int num_bands = 0;
1859
1860 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1861 HPI_TUNER_BAND_LAST);
1862
1863 if (num_bands < 0)
1864 return num_bands;
1865
1866 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1867 uinfo->count = 1;
1868 uinfo->value.enumerated.items = num_bands;
1869
1870 if (num_bands > 0) {
1871 if (uinfo->value.enumerated.item >=
1872 uinfo->value.enumerated.items)
1873 uinfo->value.enumerated.item =
1874 uinfo->value.enumerated.items - 1;
1875
1876 strcpy(uinfo->value.enumerated.name,
1877 asihpi_tuner_band_names[
1878 tuner_bands[uinfo->value.enumerated.item]]);
1879
1880 }
1881 return 0;
1882 }
1883
1884 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1885 struct snd_ctl_elem_value *ucontrol)
1886 {
1887 u32 h_control = kcontrol->private_value;
1888 /*
1889 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1890 */
1891 u16 band, idx;
1892 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1893 u32 num_bands = 0;
1894
1895 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1896 HPI_TUNER_BAND_LAST);
1897
1898 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1899
1900 ucontrol->value.enumerated.item[0] = -1;
1901 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1902 if (tuner_bands[idx] == band) {
1903 ucontrol->value.enumerated.item[0] = idx;
1904 break;
1905 }
1906
1907 return 0;
1908 }
1909
1910 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1911 struct snd_ctl_elem_value *ucontrol)
1912 {
1913 /*
1914 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1915 */
1916 u32 h_control = kcontrol->private_value;
1917 unsigned int idx;
1918 u16 band;
1919 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1920 u32 num_bands = 0;
1921
1922 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1923 HPI_TUNER_BAND_LAST);
1924
1925 idx = ucontrol->value.enumerated.item[0];
1926 if (idx >= ARRAY_SIZE(tuner_bands))
1927 idx = ARRAY_SIZE(tuner_bands) - 1;
1928 band = tuner_bands[idx];
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 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 u32 h_control = kcontrol->private_value;
2048 u32 count;
2049 u16 err;
2050 err = hpi_meter_query_channels(h_control, &count);
2051 if (err)
2052 count = HPI_MAX_CHANNELS;
2053
2054 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2055 uinfo->count = count;
2056 uinfo->value.integer.min = 0;
2057 uinfo->value.integer.max = 0x7FFFFFFF;
2058 return 0;
2059 }
2060
2061 /* linear values for 10dB steps */
2062 static int log2lin[] = {
2063 0x7FFFFFFF, /* 0dB */
2064 679093956,
2065 214748365,
2066 67909396,
2067 21474837,
2068 6790940,
2069 2147484, /* -60dB */
2070 679094,
2071 214748, /* -80 */
2072 67909,
2073 21475, /* -100 */
2074 6791,
2075 2147,
2076 679,
2077 214,
2078 68,
2079 21,
2080 7,
2081 2
2082 };
2083
2084 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2085 struct snd_ctl_elem_value *ucontrol)
2086 {
2087 u32 h_control = kcontrol->private_value;
2088 short an_gain_mB[HPI_MAX_CHANNELS], i;
2089 u16 err;
2090
2091 err = hpi_meter_get_peak(h_control, an_gain_mB);
2092
2093 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2094 if (err) {
2095 ucontrol->value.integer.value[i] = 0;
2096 } else if (an_gain_mB[i] >= 0) {
2097 ucontrol->value.integer.value[i] =
2098 an_gain_mB[i] << 16;
2099 } else {
2100 /* -ve is log value in millibels < -60dB,
2101 * convert to (roughly!) linear,
2102 */
2103 ucontrol->value.integer.value[i] =
2104 log2lin[an_gain_mB[i] / -1000];
2105 }
2106 }
2107 return 0;
2108 }
2109
2110 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2111 struct hpi_control *hpi_ctl, int subidx)
2112 {
2113 struct snd_card *card = asihpi->card;
2114 struct snd_kcontrol_new snd_control;
2115
2116 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2117 snd_control.access =
2118 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2119 snd_control.info = snd_asihpi_meter_info;
2120 snd_control.get = snd_asihpi_meter_get;
2121
2122 snd_control.index = subidx;
2123
2124 return ctl_add(card, &snd_control, asihpi);
2125 }
2126
2127 /*------------------------------------------------------------
2128 Multiplexer controls
2129 ------------------------------------------------------------*/
2130 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2131 {
2132 u32 h_control = snd_control->private_value;
2133 struct hpi_control hpi_ctl;
2134 int s, err;
2135 for (s = 0; s < 32; s++) {
2136 err = hpi_multiplexer_query_source(h_control, s,
2137 &hpi_ctl.
2138 src_node_type,
2139 &hpi_ctl.
2140 src_node_index);
2141 if (err)
2142 break;
2143 }
2144 return s;
2145 }
2146
2147 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2148 struct snd_ctl_elem_info *uinfo)
2149 {
2150 int err;
2151 u16 src_node_type, src_node_index;
2152 u32 h_control = kcontrol->private_value;
2153
2154 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2155 uinfo->count = 1;
2156 uinfo->value.enumerated.items =
2157 snd_card_asihpi_mux_count_sources(kcontrol);
2158
2159 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2160 uinfo->value.enumerated.item =
2161 uinfo->value.enumerated.items - 1;
2162
2163 err =
2164 hpi_multiplexer_query_source(h_control,
2165 uinfo->value.enumerated.item,
2166 &src_node_type, &src_node_index);
2167
2168 sprintf(uinfo->value.enumerated.name, "%s %d",
2169 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2170 src_node_index);
2171 return 0;
2172 }
2173
2174 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2175 struct snd_ctl_elem_value *ucontrol)
2176 {
2177 u32 h_control = kcontrol->private_value;
2178 u16 source_type, source_index;
2179 u16 src_node_type, src_node_index;
2180 int s;
2181
2182 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2183 &source_type, &source_index));
2184 /* Should cache this search result! */
2185 for (s = 0; s < 256; s++) {
2186 if (hpi_multiplexer_query_source(h_control, s,
2187 &src_node_type, &src_node_index))
2188 break;
2189
2190 if ((source_type == src_node_type)
2191 && (source_index == src_node_index)) {
2192 ucontrol->value.enumerated.item[0] = s;
2193 return 0;
2194 }
2195 }
2196 snd_printd(KERN_WARNING
2197 "Control %x failed to match mux source %hu %hu\n",
2198 h_control, source_type, source_index);
2199 ucontrol->value.enumerated.item[0] = 0;
2200 return 0;
2201 }
2202
2203 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2204 struct snd_ctl_elem_value *ucontrol)
2205 {
2206 int change;
2207 u32 h_control = kcontrol->private_value;
2208 u16 source_type, source_index;
2209 u16 e;
2210
2211 change = 1;
2212
2213 e = hpi_multiplexer_query_source(h_control,
2214 ucontrol->value.enumerated.item[0],
2215 &source_type, &source_index);
2216 if (!e)
2217 hpi_handle_error(
2218 hpi_multiplexer_set_source(h_control,
2219 source_type, source_index));
2220 return change;
2221 }
2222
2223
2224 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2225 struct hpi_control *hpi_ctl)
2226 {
2227 struct snd_card *card = asihpi->card;
2228 struct snd_kcontrol_new snd_control;
2229
2230 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2231 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2232 snd_control.info = snd_asihpi_mux_info;
2233 snd_control.get = snd_asihpi_mux_get;
2234 snd_control.put = snd_asihpi_mux_put;
2235
2236 return ctl_add(card, &snd_control, asihpi);
2237
2238 }
2239
2240 /*------------------------------------------------------------
2241 Channel mode controls
2242 ------------------------------------------------------------*/
2243 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2244 struct snd_ctl_elem_info *uinfo)
2245 {
2246 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2247 "invalid",
2248 "Normal", "Swap",
2249 "From Left", "From Right",
2250 "To Left", "To Right"
2251 };
2252
2253 u32 h_control = kcontrol->private_value;
2254 u16 mode;
2255 int i;
2256 u16 mode_map[6];
2257 int valid_modes = 0;
2258
2259 /* HPI channel mode values can be from 1 to 6
2260 Some adapters only support a contiguous subset
2261 */
2262 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2263 if (!hpi_channel_mode_query_mode(
2264 h_control, i, &mode)) {
2265 mode_map[valid_modes] = mode;
2266 valid_modes++;
2267 }
2268
2269 if (!valid_modes)
2270 return -EINVAL;
2271
2272 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2273 uinfo->count = 1;
2274 uinfo->value.enumerated.items = valid_modes;
2275
2276 if (uinfo->value.enumerated.item >= valid_modes)
2277 uinfo->value.enumerated.item = valid_modes - 1;
2278
2279 strcpy(uinfo->value.enumerated.name,
2280 mode_names[mode_map[uinfo->value.enumerated.item]]);
2281
2282 return 0;
2283 }
2284
2285 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2286 struct snd_ctl_elem_value *ucontrol)
2287 {
2288 u32 h_control = kcontrol->private_value;
2289 u16 mode;
2290
2291 if (hpi_channel_mode_get(h_control, &mode))
2292 mode = 1;
2293
2294 ucontrol->value.enumerated.item[0] = mode - 1;
2295
2296 return 0;
2297 }
2298
2299 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2300 struct snd_ctl_elem_value *ucontrol)
2301 {
2302 int change;
2303 u32 h_control = kcontrol->private_value;
2304
2305 change = 1;
2306
2307 hpi_handle_error(hpi_channel_mode_set(h_control,
2308 ucontrol->value.enumerated.item[0] + 1));
2309 return change;
2310 }
2311
2312
2313 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2314 struct hpi_control *hpi_ctl)
2315 {
2316 struct snd_card *card = asihpi->card;
2317 struct snd_kcontrol_new snd_control;
2318
2319 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2320 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2321 snd_control.info = snd_asihpi_cmode_info;
2322 snd_control.get = snd_asihpi_cmode_get;
2323 snd_control.put = snd_asihpi_cmode_put;
2324
2325 return ctl_add(card, &snd_control, asihpi);
2326 }
2327
2328 /*------------------------------------------------------------
2329 Sampleclock source controls
2330 ------------------------------------------------------------*/
2331 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2332 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2333 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2334 "Prev Module",
2335 "Digital2", "Digital3", "Digital4", "Digital5",
2336 "Digital6", "Digital7", "Digital8"};
2337
2338 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2339 struct snd_ctl_elem_info *uinfo)
2340 {
2341 struct snd_card_asihpi *asihpi =
2342 (struct snd_card_asihpi *)(kcontrol->private_data);
2343 struct clk_cache *clkcache = &asihpi->cc;
2344 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2345 uinfo->count = 1;
2346 uinfo->value.enumerated.items = clkcache->count;
2347
2348 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2349 uinfo->value.enumerated.item =
2350 uinfo->value.enumerated.items - 1;
2351
2352 strcpy(uinfo->value.enumerated.name,
2353 clkcache->s[uinfo->value.enumerated.item].name);
2354 return 0;
2355 }
2356
2357 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2358 struct snd_ctl_elem_value *ucontrol)
2359 {
2360 struct snd_card_asihpi *asihpi =
2361 (struct snd_card_asihpi *)(kcontrol->private_data);
2362 struct clk_cache *clkcache = &asihpi->cc;
2363 u32 h_control = kcontrol->private_value;
2364 u16 source, srcindex = 0;
2365 int i;
2366
2367 ucontrol->value.enumerated.item[0] = 0;
2368 if (hpi_sample_clock_get_source(h_control, &source))
2369 source = 0;
2370
2371 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2372 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2373 srcindex = 0;
2374
2375 for (i = 0; i < clkcache->count; i++)
2376 if ((clkcache->s[i].source == source) &&
2377 (clkcache->s[i].index == srcindex))
2378 break;
2379
2380 ucontrol->value.enumerated.item[0] = i;
2381
2382 return 0;
2383 }
2384
2385 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2386 struct snd_ctl_elem_value *ucontrol)
2387 {
2388 struct snd_card_asihpi *asihpi =
2389 (struct snd_card_asihpi *)(kcontrol->private_data);
2390 struct clk_cache *clkcache = &asihpi->cc;
2391 unsigned int item;
2392 int change;
2393 u32 h_control = kcontrol->private_value;
2394
2395 change = 1;
2396 item = ucontrol->value.enumerated.item[0];
2397 if (item >= clkcache->count)
2398 item = clkcache->count-1;
2399
2400 hpi_handle_error(hpi_sample_clock_set_source(
2401 h_control, clkcache->s[item].source));
2402
2403 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2404 hpi_handle_error(hpi_sample_clock_set_source_index(
2405 h_control, clkcache->s[item].index));
2406 return change;
2407 }
2408
2409 /*------------------------------------------------------------
2410 Clkrate controls
2411 ------------------------------------------------------------*/
2412 /* Need to change this to enumerated control with list of rates */
2413 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2414 struct snd_ctl_elem_info *uinfo)
2415 {
2416 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2417 uinfo->count = 1;
2418 uinfo->value.integer.min = 8000;
2419 uinfo->value.integer.max = 192000;
2420 uinfo->value.integer.step = 100;
2421
2422 return 0;
2423 }
2424
2425 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2426 struct snd_ctl_elem_value *ucontrol)
2427 {
2428 u32 h_control = kcontrol->private_value;
2429 u32 rate;
2430 u16 e;
2431
2432 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2433 if (!e)
2434 ucontrol->value.integer.value[0] = rate;
2435 else
2436 ucontrol->value.integer.value[0] = 0;
2437 return 0;
2438 }
2439
2440 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2441 struct snd_ctl_elem_value *ucontrol)
2442 {
2443 int change;
2444 u32 h_control = kcontrol->private_value;
2445
2446 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2447 asihpi->mixer_clkrate[addr][1] != right;
2448 */
2449 change = 1;
2450 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2451 ucontrol->value.integer.value[0]));
2452 return change;
2453 }
2454
2455 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2456 struct snd_ctl_elem_info *uinfo)
2457 {
2458 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2459 uinfo->count = 1;
2460 uinfo->value.integer.min = 8000;
2461 uinfo->value.integer.max = 192000;
2462 uinfo->value.integer.step = 100;
2463
2464 return 0;
2465 }
2466
2467 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2468 struct snd_ctl_elem_value *ucontrol)
2469 {
2470 u32 h_control = kcontrol->private_value;
2471 u32 rate;
2472 u16 e;
2473
2474 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2475 if (!e)
2476 ucontrol->value.integer.value[0] = rate;
2477 else
2478 ucontrol->value.integer.value[0] = 0;
2479 return 0;
2480 }
2481
2482 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2483 struct hpi_control *hpi_ctl)
2484 {
2485 struct snd_card *card = asihpi->card;
2486 struct snd_kcontrol_new snd_control;
2487
2488 struct clk_cache *clkcache = &asihpi->cc;
2489 u32 hSC = hpi_ctl->h_control;
2490 int has_aes_in = 0;
2491 int i, j;
2492 u16 source;
2493
2494 snd_control.private_value = hpi_ctl->h_control;
2495
2496 clkcache->has_local = 0;
2497
2498 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2499 if (hpi_sample_clock_query_source(hSC,
2500 i, &source))
2501 break;
2502 clkcache->s[i].source = source;
2503 clkcache->s[i].index = 0;
2504 clkcache->s[i].name = sampleclock_sources[source];
2505 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2506 has_aes_in = 1;
2507 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2508 clkcache->has_local = 1;
2509 }
2510 if (has_aes_in)
2511 /* already will have picked up index 0 above */
2512 for (j = 1; j < 8; j++) {
2513 if (hpi_sample_clock_query_source_index(hSC,
2514 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2515 &source))
2516 break;
2517 clkcache->s[i].source =
2518 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2519 clkcache->s[i].index = j;
2520 clkcache->s[i].name = sampleclock_sources[
2521 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2522 i++;
2523 }
2524 clkcache->count = i;
2525
2526 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2527 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2528 snd_control.info = snd_asihpi_clksrc_info;
2529 snd_control.get = snd_asihpi_clksrc_get;
2530 snd_control.put = snd_asihpi_clksrc_put;
2531 if (ctl_add(card, &snd_control, asihpi) < 0)
2532 return -EINVAL;
2533
2534
2535 if (clkcache->has_local) {
2536 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2537 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2538 snd_control.info = snd_asihpi_clklocal_info;
2539 snd_control.get = snd_asihpi_clklocal_get;
2540 snd_control.put = snd_asihpi_clklocal_put;
2541
2542
2543 if (ctl_add(card, &snd_control, asihpi) < 0)
2544 return -EINVAL;
2545 }
2546
2547 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2548 snd_control.access =
2549 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2550 snd_control.info = snd_asihpi_clkrate_info;
2551 snd_control.get = snd_asihpi_clkrate_get;
2552
2553 return ctl_add(card, &snd_control, asihpi);
2554 }
2555 /*------------------------------------------------------------
2556 Mixer
2557 ------------------------------------------------------------*/
2558
2559 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2560 {
2561 struct snd_card *card;
2562 unsigned int idx = 0;
2563 unsigned int subindex = 0;
2564 int err;
2565 struct hpi_control hpi_ctl, prev_ctl;
2566
2567 if (snd_BUG_ON(!asihpi))
2568 return -EINVAL;
2569 card = asihpi->card;
2570 strcpy(card->mixername, "Asihpi Mixer");
2571
2572 err =
2573 hpi_mixer_open(asihpi->hpi->adapter->index,
2574 &asihpi->h_mixer);
2575 hpi_handle_error(err);
2576 if (err)
2577 return -err;
2578
2579 memset(&prev_ctl, 0, sizeof(prev_ctl));
2580 prev_ctl.control_type = -1;
2581
2582 for (idx = 0; idx < 2000; idx++) {
2583 err = hpi_mixer_get_control_by_index(
2584 asihpi->h_mixer,
2585 idx,
2586 &hpi_ctl.src_node_type,
2587 &hpi_ctl.src_node_index,
2588 &hpi_ctl.dst_node_type,
2589 &hpi_ctl.dst_node_index,
2590 &hpi_ctl.control_type,
2591 &hpi_ctl.h_control);
2592 if (err) {
2593 if (err == HPI_ERROR_CONTROL_DISABLED) {
2594 if (mixer_dump)
2595 snd_printk(KERN_INFO
2596 "Disabled HPI Control(%d)\n",
2597 idx);
2598 continue;
2599 } else
2600 break;
2601
2602 }
2603
2604 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2605 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2606
2607 /* ASI50xx in SSX mode has multiple meters on the same node.
2608 Use subindex to create distinct ALSA controls
2609 for any duplicated controls.
2610 */
2611 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2612 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2613 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2614 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2615 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2616 subindex++;
2617 else
2618 subindex = 0;
2619
2620 prev_ctl = hpi_ctl;
2621
2622 switch (hpi_ctl.control_type) {
2623 case HPI_CONTROL_VOLUME:
2624 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2625 break;
2626 case HPI_CONTROL_LEVEL:
2627 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2628 break;
2629 case HPI_CONTROL_MULTIPLEXER:
2630 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2631 break;
2632 case HPI_CONTROL_CHANNEL_MODE:
2633 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2634 break;
2635 case HPI_CONTROL_METER:
2636 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2637 break;
2638 case HPI_CONTROL_SAMPLECLOCK:
2639 err = snd_asihpi_sampleclock_add(
2640 asihpi, &hpi_ctl);
2641 break;
2642 case HPI_CONTROL_CONNECTION: /* ignore these */
2643 continue;
2644 case HPI_CONTROL_TUNER:
2645 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2646 break;
2647 case HPI_CONTROL_AESEBU_TRANSMITTER:
2648 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2649 break;
2650 case HPI_CONTROL_AESEBU_RECEIVER:
2651 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2652 break;
2653 case HPI_CONTROL_VOX:
2654 case HPI_CONTROL_BITSTREAM:
2655 case HPI_CONTROL_MICROPHONE:
2656 case HPI_CONTROL_PARAMETRIC_EQ:
2657 case HPI_CONTROL_COMPANDER:
2658 default:
2659 if (mixer_dump)
2660 snd_printk(KERN_INFO
2661 "Untranslated HPI Control"
2662 "(%d) %d %d %d %d %d\n",
2663 idx,
2664 hpi_ctl.control_type,
2665 hpi_ctl.src_node_type,
2666 hpi_ctl.src_node_index,
2667 hpi_ctl.dst_node_type,
2668 hpi_ctl.dst_node_index);
2669 continue;
2670 }
2671 if (err < 0)
2672 return err;
2673 }
2674 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2675 hpi_handle_error(err);
2676
2677 snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2678
2679 return 0;
2680 }
2681
2682 /*------------------------------------------------------------
2683 /proc interface
2684 ------------------------------------------------------------*/
2685
2686 static void
2687 snd_asihpi_proc_read(struct snd_info_entry *entry,
2688 struct snd_info_buffer *buffer)
2689 {
2690 struct snd_card_asihpi *asihpi = entry->private_data;
2691 u32 h_control;
2692 u32 rate = 0;
2693 u16 source = 0;
2694
2695 u16 num_outstreams;
2696 u16 num_instreams;
2697 u16 version;
2698 u32 serial_number;
2699 u16 type;
2700
2701 int err;
2702
2703 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2704
2705 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2706 &num_outstreams, &num_instreams,
2707 &version, &serial_number, &type));
2708
2709 snd_iprintf(buffer,
2710 "Adapter type ASI%4X\nHardware Index %d\n"
2711 "%d outstreams\n%d instreams\n",
2712 type, asihpi->hpi->adapter->index,
2713 num_outstreams, num_instreams);
2714
2715 snd_iprintf(buffer,
2716 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2717 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2718 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2719
2720 err = hpi_mixer_get_control(asihpi->h_mixer,
2721 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2722 HPI_CONTROL_SAMPLECLOCK, &h_control);
2723
2724 if (!err) {
2725 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2726 err += hpi_sample_clock_get_source(h_control, &source);
2727
2728 if (!err)
2729 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2730 rate, sampleclock_sources[source]);
2731 }
2732 }
2733
2734 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2735 {
2736 struct snd_info_entry *entry;
2737
2738 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2739 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2740 }
2741
2742 /*------------------------------------------------------------
2743 HWDEP
2744 ------------------------------------------------------------*/
2745
2746 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2747 {
2748 if (enable_hpi_hwdep)
2749 return 0;
2750 else
2751 return -ENODEV;
2752
2753 }
2754
2755 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2756 {
2757 if (enable_hpi_hwdep)
2758 return asihpi_hpi_release(file);
2759 else
2760 return -ENODEV;
2761 }
2762
2763 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2764 unsigned int cmd, unsigned long arg)
2765 {
2766 if (enable_hpi_hwdep)
2767 return asihpi_hpi_ioctl(file, cmd, arg);
2768 else
2769 return -ENODEV;
2770 }
2771
2772
2773 /* results in /dev/snd/hwC#D0 file for each card with index #
2774 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2775 */
2776 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2777 int device, struct snd_hwdep **rhwdep)
2778 {
2779 struct snd_hwdep *hw;
2780 int err;
2781
2782 if (rhwdep)
2783 *rhwdep = NULL;
2784 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2785 if (err < 0)
2786 return err;
2787 strcpy(hw->name, "asihpi (HPI)");
2788 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2789 hw->ops.open = snd_asihpi_hpi_open;
2790 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2791 hw->ops.release = snd_asihpi_hpi_release;
2792 hw->private_data = asihpi;
2793 if (rhwdep)
2794 *rhwdep = hw;
2795 return 0;
2796 }
2797
2798 /*------------------------------------------------------------
2799 CARD
2800 ------------------------------------------------------------*/
2801 static int snd_asihpi_probe(struct pci_dev *pci_dev,
2802 const struct pci_device_id *pci_id)
2803 {
2804 int err;
2805 struct hpi_adapter *hpi;
2806 struct snd_card *card;
2807 struct snd_card_asihpi *asihpi;
2808
2809 u32 h_control;
2810 u32 h_stream;
2811 u32 adapter_index;
2812
2813 static int dev;
2814 if (dev >= SNDRV_CARDS)
2815 return -ENODEV;
2816
2817 /* Should this be enable[hpi->index] ? */
2818 if (!enable[dev]) {
2819 dev++;
2820 return -ENOENT;
2821 }
2822
2823 /* Initialise low-level HPI driver */
2824 err = asihpi_adapter_probe(pci_dev, pci_id);
2825 if (err < 0)
2826 return err;
2827
2828 hpi = pci_get_drvdata(pci_dev);
2829 adapter_index = hpi->adapter->index;
2830 /* first try to give the card the same index as its hardware index */
2831 err = snd_card_new(&pci_dev->dev, adapter_index, id[adapter_index],
2832 THIS_MODULE, sizeof(struct snd_card_asihpi), &card);
2833 if (err < 0) {
2834 /* if that fails, try the default index==next available */
2835 err = snd_card_new(&pci_dev->dev, index[dev], id[dev],
2836 THIS_MODULE, sizeof(struct snd_card_asihpi),
2837 &card);
2838 if (err < 0)
2839 return err;
2840 snd_printk(KERN_WARNING
2841 "**** WARNING **** Adapter index %d->ALSA index %d\n",
2842 adapter_index, card->number);
2843 }
2844
2845 asihpi = card->private_data;
2846 asihpi->card = card;
2847 asihpi->pci = pci_dev;
2848 asihpi->hpi = hpi;
2849
2850 snd_printk(KERN_INFO "adapter ID=%4X index=%d\n",
2851 asihpi->hpi->adapter->type, adapter_index);
2852
2853 err = hpi_adapter_get_property(adapter_index,
2854 HPI_ADAPTER_PROPERTY_CAPS1,
2855 NULL, &asihpi->support_grouping);
2856 if (err)
2857 asihpi->support_grouping = 0;
2858
2859 err = hpi_adapter_get_property(adapter_index,
2860 HPI_ADAPTER_PROPERTY_CAPS2,
2861 &asihpi->support_mrx, NULL);
2862 if (err)
2863 asihpi->support_mrx = 0;
2864
2865 err = hpi_adapter_get_property(adapter_index,
2866 HPI_ADAPTER_PROPERTY_INTERVAL,
2867 NULL, &asihpi->update_interval_frames);
2868 if (err)
2869 asihpi->update_interval_frames = 512;
2870
2871 if (!asihpi->can_dma)
2872 asihpi->update_interval_frames *= 2;
2873
2874 hpi_handle_error(hpi_instream_open(adapter_index,
2875 0, &h_stream));
2876
2877 err = hpi_instream_host_buffer_free(h_stream);
2878 asihpi->can_dma = (!err);
2879
2880 hpi_handle_error(hpi_instream_close(h_stream));
2881
2882 err = hpi_adapter_get_property(adapter_index,
2883 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2884 &asihpi->in_max_chans, &asihpi->out_max_chans);
2885 if (err) {
2886 asihpi->in_max_chans = 2;
2887 asihpi->out_max_chans = 2;
2888 }
2889
2890 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2891 asihpi->out_min_chans = asihpi->out_max_chans;
2892 asihpi->in_min_chans = asihpi->in_max_chans;
2893 asihpi->support_grouping = 0;
2894 } else {
2895 asihpi->out_min_chans = 1;
2896 asihpi->in_min_chans = 1;
2897 }
2898
2899 snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n",
2900 asihpi->can_dma,
2901 asihpi->support_grouping,
2902 asihpi->support_mrx
2903 );
2904
2905 err = snd_card_asihpi_pcm_new(asihpi, 0);
2906 if (err < 0) {
2907 snd_printk(KERN_ERR "pcm_new failed\n");
2908 goto __nodev;
2909 }
2910 err = snd_card_asihpi_mixer_new(asihpi);
2911 if (err < 0) {
2912 snd_printk(KERN_ERR "mixer_new failed\n");
2913 goto __nodev;
2914 }
2915
2916 err = hpi_mixer_get_control(asihpi->h_mixer,
2917 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2918 HPI_CONTROL_SAMPLECLOCK, &h_control);
2919
2920 if (!err)
2921 err = hpi_sample_clock_set_local_rate(
2922 h_control, adapter_fs);
2923
2924 snd_asihpi_proc_init(asihpi);
2925
2926 /* always create, can be enabled or disabled dynamically
2927 by enable_hwdep module param*/
2928 snd_asihpi_hpi_new(asihpi, 0, NULL);
2929
2930 strcpy(card->driver, "ASIHPI");
2931
2932 sprintf(card->shortname, "AudioScience ASI%4X",
2933 asihpi->hpi->adapter->type);
2934 sprintf(card->longname, "%s %i",
2935 card->shortname, adapter_index);
2936 err = snd_card_register(card);
2937
2938 if (!err) {
2939 hpi->snd_card = 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 snd_asihpi_remove(struct pci_dev *pci_dev)
2951 {
2952 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
2953 snd_card_free(hpi->snd_card);
2954 hpi->snd_card = NULL;
2955 asihpi_adapter_remove(pci_dev);
2956 }
2957
2958 static const struct pci_device_id asihpi_pci_tbl[] = {
2959 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2960 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2961 (kernel_ulong_t)HPI_6205},
2962 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2963 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2964 (kernel_ulong_t)HPI_6000},
2965 {0,}
2966 };
2967 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2968
2969 static struct pci_driver driver = {
2970 .name = KBUILD_MODNAME,
2971 .id_table = asihpi_pci_tbl,
2972 .probe = snd_asihpi_probe,
2973 .remove = snd_asihpi_remove,
2974 #ifdef CONFIG_PM_SLEEP
2975 /* .suspend = snd_asihpi_suspend,
2976 .resume = snd_asihpi_resume, */
2977 #endif
2978 };
2979
2980 static int __init snd_asihpi_init(void)
2981 {
2982 asihpi_init();
2983 return pci_register_driver(&driver);
2984 }
2985
2986 static void __exit snd_asihpi_exit(void)
2987 {
2988
2989 pci_unregister_driver(&driver);
2990 asihpi_exit();
2991 }
2992
2993 module_init(snd_asihpi_init)
2994 module_exit(snd_asihpi_exit)
2995
Linux with added FPC-III support