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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
[deliverable/linux.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 "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 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
773 continue;
774 }
775 } else {
776 ds->drained_count = 0;
777 }
778 } else
779 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
780
781 if (first) {
782 /* can't statically init min when wrap is involved */
783 min_buf_pos = pcm_buf_dma_ofs;
784 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
785 first = 0;
786 } else {
787 min_buf_pos =
788 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
789 newdata = min(
790 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
791 newdata);
792 }
793
794 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
795 (unsigned long)frames_to_bytes(runtime,
796 runtime->status->hw_ptr),
797 (unsigned long)frames_to_bytes(runtime,
798 runtime->control->appl_ptr));
799
800 snd_printdd("%d S=%d, "
801 "rw=0x%04X, dma=0x%04X, left=0x%04X, "
802 "aux=0x%04X space=0x%04X\n",
803 s->number, state,
804 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
805 (int)bytes_avail,
806 (int)on_card_bytes, buffer_size-bytes_avail);
807 loops++;
808 }
809 pcm_buf_dma_ofs = min_buf_pos;
810
811 remdata = newdata % dpcm->period_bytes;
812 xfercount = newdata - remdata; /* a multiple of period_bytes */
813 /* come back when on_card_bytes has decreased enough to allow
814 write to happen, or when data has been consumed to make another
815 period
816 */
817 if (xfercount && (on_card_bytes > dpcm->period_bytes))
818 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
819 else
820 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
821
822 next_jiffies = max(next_jiffies, 1U);
823 dpcm->timer.expires = jiffies + next_jiffies;
824 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
825 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
826
827 snd_pcm_group_for_each_entry(s, substream) {
828 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
829
830 /* don't link Cap and Play */
831 if (substream->stream != s->stream)
832 continue;
833
834 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
835
836 if (xfercount &&
837 /* Limit use of on card fifo for playback */
838 ((on_card_bytes <= ds->period_bytes) ||
839 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
840
841 {
842
843 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
844 unsigned int xfer1, xfer2;
845 char *pd = &s->runtime->dma_area[buf_ofs];
846
847 if (card->can_dma) { /* buffer wrap is handled at lower level */
848 xfer1 = xfercount;
849 xfer2 = 0;
850 } else {
851 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
852 xfer2 = xfercount - xfer1;
853 }
854
855 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
856 snd_printddd("P%d write1 0x%04X 0x%04X\n",
857 s->number, xfer1, buf_ofs);
858 hpi_handle_error(
859 hpi_outstream_write_buf(
860 ds->h_stream, pd, xfer1,
861 &ds->format));
862
863 if (xfer2) {
864 pd = s->runtime->dma_area;
865
866 snd_printddd("P%d write2 0x%04X 0x%04X\n",
867 s->number,
868 xfercount - xfer1, buf_ofs);
869 hpi_handle_error(
870 hpi_outstream_write_buf(
871 ds->h_stream, pd,
872 xfercount - xfer1,
873 &ds->format));
874 }
875 } else {
876 snd_printddd("C%d read1 0x%04x\n",
877 s->number, xfer1);
878 hpi_handle_error(
879 hpi_instream_read_buf(
880 ds->h_stream,
881 pd, xfer1));
882 if (xfer2) {
883 pd = s->runtime->dma_area;
884 snd_printddd("C%d read2 0x%04x\n",
885 s->number, xfer2);
886 hpi_handle_error(
887 hpi_instream_read_buf(
888 ds->h_stream,
889 pd, xfer2));
890 }
891 }
892 ds->pcm_buf_host_rw_ofs += xfercount;
893 ds->pcm_buf_elapsed_dma_ofs += xfercount;
894 snd_pcm_period_elapsed(s);
895 }
896 }
897
898 if (dpcm->respawn_timer)
899 add_timer(&dpcm->timer);
900 }
901
902 /***************************** PLAYBACK OPS ****************/
903 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
904 unsigned int cmd, void *arg)
905 {
906 char name[16];
907 snd_pcm_debug_name(substream, name, sizeof(name));
908 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
909 return snd_pcm_lib_ioctl(substream, cmd, arg);
910 }
911
912 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
913 substream)
914 {
915 struct snd_pcm_runtime *runtime = substream->runtime;
916 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
917
918 snd_printdd("P%d prepare\n", substream->number);
919
920 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
921 dpcm->pcm_buf_host_rw_ofs = 0;
922 dpcm->pcm_buf_dma_ofs = 0;
923 dpcm->pcm_buf_elapsed_dma_ofs = 0;
924 return 0;
925 }
926
927 static snd_pcm_uframes_t
928 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
929 {
930 struct snd_pcm_runtime *runtime = substream->runtime;
931 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
932 snd_pcm_uframes_t ptr;
933 char name[16];
934 snd_pcm_debug_name(substream, name, sizeof(name));
935
936 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
937 snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr);
938 return ptr;
939 }
940
941 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
942 u32 h_stream)
943 {
944 struct hpi_format hpi_format;
945 u16 format;
946 u16 err;
947 u32 h_control;
948 u32 sample_rate = 48000;
949 u64 formats = 0;
950
951 /* on cards without SRC, must query at valid rate,
952 * maybe set by external sync
953 */
954 err = hpi_mixer_get_control(asihpi->h_mixer,
955 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
956 HPI_CONTROL_SAMPLECLOCK, &h_control);
957
958 if (!err)
959 err = hpi_sample_clock_get_sample_rate(h_control,
960 &sample_rate);
961
962 for (format = HPI_FORMAT_PCM8_UNSIGNED;
963 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
964 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
965 format, sample_rate, 128000, 0);
966 if (!err)
967 err = hpi_outstream_query_format(h_stream, &hpi_format);
968 if (!err && (hpi_to_alsa_formats[format] != -1))
969 formats |= (1ULL << hpi_to_alsa_formats[format]);
970 }
971 return formats;
972 }
973
974 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
975 {
976 struct snd_pcm_runtime *runtime = substream->runtime;
977 struct snd_card_asihpi_pcm *dpcm;
978 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
979 struct snd_pcm_hardware snd_card_asihpi_playback;
980 int err;
981
982 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
983 if (dpcm == NULL)
984 return -ENOMEM;
985
986 err = hpi_outstream_open(card->hpi->adapter->index,
987 substream->number, &dpcm->h_stream);
988 hpi_handle_error(err);
989 if (err)
990 kfree(dpcm);
991 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
992 return -EBUSY;
993 if (err)
994 return -EIO;
995
996 /*? also check ASI5000 samplerate source
997 If external, only support external rate.
998 If internal and other stream playing, can't switch
999 */
1000
1001 init_timer(&dpcm->timer);
1002 dpcm->timer.data = (unsigned long) dpcm;
1003 dpcm->timer.function = snd_card_asihpi_timer_function;
1004 dpcm->substream = substream;
1005 runtime->private_data = dpcm;
1006 runtime->private_free = snd_card_asihpi_runtime_free;
1007
1008 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1009 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1010 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1011 /*?snd_card_asihpi_playback.period_bytes_min =
1012 card->out_max_chans * 4096; */
1013 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1014 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1015 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1016 /* snd_card_asihpi_playback.fifo_size = 0; */
1017 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1018 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1019 snd_card_asihpi_playback.formats =
1020 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1021
1022 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1023
1024 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1025 SNDRV_PCM_INFO_DOUBLE |
1026 SNDRV_PCM_INFO_BATCH |
1027 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1028 SNDRV_PCM_INFO_PAUSE |
1029 SNDRV_PCM_INFO_MMAP |
1030 SNDRV_PCM_INFO_MMAP_VALID;
1031
1032 if (card->support_grouping) {
1033 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1034 snd_pcm_set_sync(substream);
1035 }
1036
1037 /* struct is copied, so can create initializer dynamically */
1038 runtime->hw = snd_card_asihpi_playback;
1039
1040 if (card->can_dma)
1041 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1042 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1043 if (err < 0)
1044 return err;
1045
1046 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1047 card->update_interval_frames);
1048
1049 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1050 card->update_interval_frames * 2, UINT_MAX);
1051
1052 snd_printdd("playback open\n");
1053
1054 return 0;
1055 }
1056
1057 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1058 {
1059 struct snd_pcm_runtime *runtime = substream->runtime;
1060 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1061
1062 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1063 snd_printdd("playback close\n");
1064
1065 return 0;
1066 }
1067
1068 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1069 .open = snd_card_asihpi_playback_open,
1070 .close = snd_card_asihpi_playback_close,
1071 .ioctl = snd_card_asihpi_playback_ioctl,
1072 .hw_params = snd_card_asihpi_pcm_hw_params,
1073 .hw_free = snd_card_asihpi_hw_free,
1074 .prepare = snd_card_asihpi_playback_prepare,
1075 .trigger = snd_card_asihpi_trigger,
1076 .pointer = snd_card_asihpi_playback_pointer,
1077 };
1078
1079 /***************************** CAPTURE OPS ****************/
1080 static snd_pcm_uframes_t
1081 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1082 {
1083 struct snd_pcm_runtime *runtime = substream->runtime;
1084 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1085
1086 snd_printddd("capture pointer %d=%d\n",
1087 substream->number, dpcm->pcm_buf_dma_ofs);
1088 /* NOTE Unlike playback can't use actual samples_played
1089 for the capture position, because those samples aren't yet in
1090 the local buffer available for reading.
1091 */
1092 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1093 }
1094
1095 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1096 unsigned int cmd, void *arg)
1097 {
1098 return snd_pcm_lib_ioctl(substream, cmd, arg);
1099 }
1100
1101 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1102 {
1103 struct snd_pcm_runtime *runtime = substream->runtime;
1104 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1105
1106 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1107 dpcm->pcm_buf_host_rw_ofs = 0;
1108 dpcm->pcm_buf_dma_ofs = 0;
1109 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1110
1111 snd_printdd("Capture Prepare %d\n", substream->number);
1112 return 0;
1113 }
1114
1115
1116
1117 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1118 u32 h_stream)
1119 {
1120 struct hpi_format hpi_format;
1121 u16 format;
1122 u16 err;
1123 u32 h_control;
1124 u32 sample_rate = 48000;
1125 u64 formats = 0;
1126
1127 /* on cards without SRC, must query at valid rate,
1128 maybe set by external sync */
1129 err = hpi_mixer_get_control(asihpi->h_mixer,
1130 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1131 HPI_CONTROL_SAMPLECLOCK, &h_control);
1132
1133 if (!err)
1134 err = hpi_sample_clock_get_sample_rate(h_control,
1135 &sample_rate);
1136
1137 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1138 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1139
1140 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1141 format, sample_rate, 128000, 0);
1142 if (!err)
1143 err = hpi_instream_query_format(h_stream, &hpi_format);
1144 if (!err)
1145 formats |= (1ULL << hpi_to_alsa_formats[format]);
1146 }
1147 return formats;
1148 }
1149
1150 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1151 {
1152 struct snd_pcm_runtime *runtime = substream->runtime;
1153 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1154 struct snd_card_asihpi_pcm *dpcm;
1155 struct snd_pcm_hardware snd_card_asihpi_capture;
1156 int err;
1157
1158 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1159 if (dpcm == NULL)
1160 return -ENOMEM;
1161
1162 snd_printdd("capture open adapter %d stream %d\n",
1163 card->hpi->adapter->index, substream->number);
1164
1165 err = hpi_handle_error(
1166 hpi_instream_open(card->hpi->adapter->index,
1167 substream->number, &dpcm->h_stream));
1168 if (err)
1169 kfree(dpcm);
1170 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1171 return -EBUSY;
1172 if (err)
1173 return -EIO;
1174
1175 init_timer(&dpcm->timer);
1176 dpcm->timer.data = (unsigned long) dpcm;
1177 dpcm->timer.function = snd_card_asihpi_timer_function;
1178 dpcm->substream = substream;
1179 runtime->private_data = dpcm;
1180 runtime->private_free = snd_card_asihpi_runtime_free;
1181
1182 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1183 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1184 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1185 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1186 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1187 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1188 /* snd_card_asihpi_capture.fifo_size = 0; */
1189 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1190 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1191 snd_card_asihpi_capture.formats =
1192 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1193 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1194 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1195 SNDRV_PCM_INFO_MMAP |
1196 SNDRV_PCM_INFO_MMAP_VALID;
1197
1198 if (card->support_grouping)
1199 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1200
1201 runtime->hw = snd_card_asihpi_capture;
1202
1203 if (card->can_dma)
1204 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1205 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1206 if (err < 0)
1207 return err;
1208
1209 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1210 card->update_interval_frames);
1211 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1212 card->update_interval_frames * 2, UINT_MAX);
1213
1214 snd_pcm_set_sync(substream);
1215
1216 return 0;
1217 }
1218
1219 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1220 {
1221 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1222
1223 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1224 return 0;
1225 }
1226
1227 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1228 .open = snd_card_asihpi_capture_open,
1229 .close = snd_card_asihpi_capture_close,
1230 .ioctl = snd_card_asihpi_capture_ioctl,
1231 .hw_params = snd_card_asihpi_pcm_hw_params,
1232 .hw_free = snd_card_asihpi_hw_free,
1233 .prepare = snd_card_asihpi_capture_prepare,
1234 .trigger = snd_card_asihpi_trigger,
1235 .pointer = snd_card_asihpi_capture_pointer,
1236 };
1237
1238 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device)
1239 {
1240 struct snd_pcm *pcm;
1241 int err;
1242 u16 num_instreams, num_outstreams, x16;
1243 u32 x32;
1244
1245 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1246 &num_outstreams, &num_instreams,
1247 &x16, &x32, &x16);
1248
1249 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1250 num_outstreams, num_instreams, &pcm);
1251 if (err < 0)
1252 return err;
1253 /* pointer to ops struct is stored, dont change ops afterwards! */
1254 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1255 &snd_card_asihpi_playback_mmap_ops);
1256 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1257 &snd_card_asihpi_capture_mmap_ops);
1258
1259 pcm->private_data = asihpi;
1260 pcm->info_flags = 0;
1261 strcpy(pcm->name, "Asihpi PCM");
1262
1263 /*? do we want to emulate MMAP for non-BBM cards?
1264 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1265 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1266 snd_dma_pci_data(asihpi->pci),
1267 64*1024, BUFFER_BYTES_MAX);
1268
1269 return 0;
1270 }
1271
1272 /***************************** MIXER CONTROLS ****************/
1273 struct hpi_control {
1274 u32 h_control;
1275 u16 control_type;
1276 u16 src_node_type;
1277 u16 src_node_index;
1278 u16 dst_node_type;
1279 u16 dst_node_index;
1280 u16 band;
1281 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1282 };
1283
1284 static const char * const asihpi_tuner_band_names[] = {
1285 "invalid",
1286 "AM",
1287 "FM mono",
1288 "TV NTSC-M",
1289 "FM stereo",
1290 "AUX",
1291 "TV PAL BG",
1292 "TV PAL I",
1293 "TV PAL DK",
1294 "TV SECAM",
1295 };
1296
1297 compile_time_assert(
1298 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1299 (HPI_TUNER_BAND_LAST+1)),
1300 assert_tuner_band_names_size);
1301
1302 static const char * const asihpi_src_names[] = {
1303 "no source",
1304 "PCM",
1305 "Line",
1306 "Digital",
1307 "Tuner",
1308 "RF",
1309 "Clock",
1310 "Bitstream",
1311 "Mic",
1312 "Net",
1313 "Analog",
1314 "Adapter",
1315 "RTP",
1316 "Internal"
1317 };
1318
1319 compile_time_assert(
1320 (ARRAY_SIZE(asihpi_src_names) ==
1321 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1322 assert_src_names_size);
1323
1324 static const char * const asihpi_dst_names[] = {
1325 "no destination",
1326 "PCM",
1327 "Line",
1328 "Digital",
1329 "RF",
1330 "Speaker",
1331 "Net",
1332 "Analog",
1333 "RTP",
1334 };
1335
1336 compile_time_assert(
1337 (ARRAY_SIZE(asihpi_dst_names) ==
1338 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1339 assert_dst_names_size);
1340
1341 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1342 struct snd_card_asihpi *asihpi)
1343 {
1344 int err;
1345
1346 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1347 if (err < 0)
1348 return err;
1349 else if (mixer_dump)
1350 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1351
1352 return 0;
1353 }
1354
1355 /* Convert HPI control name and location into ALSA control name */
1356 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1357 struct hpi_control *hpi_ctl,
1358 char *name)
1359 {
1360 char *dir;
1361 memset(snd_control, 0, sizeof(*snd_control));
1362 snd_control->name = hpi_ctl->name;
1363 snd_control->private_value = hpi_ctl->h_control;
1364 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1365 snd_control->index = 0;
1366
1367 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1368 dir = ""; /* clock is neither capture nor playback */
1369 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1370 dir = "Capture "; /* On or towards a PCM capture destination*/
1371 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1372 (!hpi_ctl->dst_node_type))
1373 dir = "Capture "; /* On a source node that is not PCM playback */
1374 else if (hpi_ctl->src_node_type &&
1375 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1376 (hpi_ctl->dst_node_type))
1377 dir = "Monitor Playback "; /* Between an input and an output */
1378 else
1379 dir = "Playback "; /* PCM Playback source, or output node */
1380
1381 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1382 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1383 asihpi_src_names[hpi_ctl->src_node_type],
1384 hpi_ctl->src_node_index,
1385 asihpi_dst_names[hpi_ctl->dst_node_type],
1386 hpi_ctl->dst_node_index,
1387 dir, name);
1388 else if (hpi_ctl->dst_node_type) {
1389 sprintf(hpi_ctl->name, "%s %d %s%s",
1390 asihpi_dst_names[hpi_ctl->dst_node_type],
1391 hpi_ctl->dst_node_index,
1392 dir, name);
1393 } else {
1394 sprintf(hpi_ctl->name, "%s %d %s%s",
1395 asihpi_src_names[hpi_ctl->src_node_type],
1396 hpi_ctl->src_node_index,
1397 dir, name);
1398 }
1399 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1400 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1401 }
1402
1403 /*------------------------------------------------------------
1404 Volume controls
1405 ------------------------------------------------------------*/
1406 #define VOL_STEP_mB 1
1407 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1408 struct snd_ctl_elem_info *uinfo)
1409 {
1410 u32 h_control = kcontrol->private_value;
1411 u32 count;
1412 u16 err;
1413 /* native gains are in millibels */
1414 short min_gain_mB;
1415 short max_gain_mB;
1416 short step_gain_mB;
1417
1418 err = hpi_volume_query_range(h_control,
1419 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1420 if (err) {
1421 max_gain_mB = 0;
1422 min_gain_mB = -10000;
1423 step_gain_mB = VOL_STEP_mB;
1424 }
1425
1426 err = hpi_meter_query_channels(h_control, &count);
1427 if (err)
1428 count = HPI_MAX_CHANNELS;
1429
1430 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1431 uinfo->count = count;
1432 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1433 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1434 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1435 return 0;
1436 }
1437
1438 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1439 struct snd_ctl_elem_value *ucontrol)
1440 {
1441 u32 h_control = kcontrol->private_value;
1442 short an_gain_mB[HPI_MAX_CHANNELS];
1443
1444 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1445 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1446 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1447
1448 return 0;
1449 }
1450
1451 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1452 struct snd_ctl_elem_value *ucontrol)
1453 {
1454 int change;
1455 u32 h_control = kcontrol->private_value;
1456 short an_gain_mB[HPI_MAX_CHANNELS];
1457
1458 an_gain_mB[0] =
1459 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1460 an_gain_mB[1] =
1461 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1462 /* change = asihpi->mixer_volume[addr][0] != left ||
1463 asihpi->mixer_volume[addr][1] != right;
1464 */
1465 change = 1;
1466 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1467 return change;
1468 }
1469
1470 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1471
1472 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1473
1474 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1475 struct snd_ctl_elem_value *ucontrol)
1476 {
1477 u32 h_control = kcontrol->private_value;
1478 u32 mute;
1479
1480 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1481 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1482
1483 return 0;
1484 }
1485
1486 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1487 struct snd_ctl_elem_value *ucontrol)
1488 {
1489 u32 h_control = kcontrol->private_value;
1490 int change = 1;
1491 /* HPI currently only supports all or none muting of multichannel volume
1492 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1493 */
1494 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1495 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1496 return change;
1497 }
1498
1499 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1500 struct hpi_control *hpi_ctl)
1501 {
1502 struct snd_card *card = asihpi->card;
1503 struct snd_kcontrol_new snd_control;
1504 int err;
1505 u32 mute;
1506
1507 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1508 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1509 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1510 snd_control.info = snd_asihpi_volume_info;
1511 snd_control.get = snd_asihpi_volume_get;
1512 snd_control.put = snd_asihpi_volume_put;
1513 snd_control.tlv.p = db_scale_100;
1514
1515 err = ctl_add(card, &snd_control, asihpi);
1516 if (err)
1517 return err;
1518
1519 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1520 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1521 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1522 snd_control.info = snd_asihpi_volume_mute_info;
1523 snd_control.get = snd_asihpi_volume_mute_get;
1524 snd_control.put = snd_asihpi_volume_mute_put;
1525 err = ctl_add(card, &snd_control, asihpi);
1526 }
1527 return err;
1528 }
1529
1530 /*------------------------------------------------------------
1531 Level controls
1532 ------------------------------------------------------------*/
1533 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1534 struct snd_ctl_elem_info *uinfo)
1535 {
1536 u32 h_control = kcontrol->private_value;
1537 u16 err;
1538 short min_gain_mB;
1539 short max_gain_mB;
1540 short step_gain_mB;
1541
1542 err =
1543 hpi_level_query_range(h_control, &min_gain_mB,
1544 &max_gain_mB, &step_gain_mB);
1545 if (err) {
1546 max_gain_mB = 2400;
1547 min_gain_mB = -1000;
1548 step_gain_mB = 100;
1549 }
1550
1551 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1552 uinfo->count = 2;
1553 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1554 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1555 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1556 return 0;
1557 }
1558
1559 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1560 struct snd_ctl_elem_value *ucontrol)
1561 {
1562 u32 h_control = kcontrol->private_value;
1563 short an_gain_mB[HPI_MAX_CHANNELS];
1564
1565 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1566 ucontrol->value.integer.value[0] =
1567 an_gain_mB[0] / HPI_UNITS_PER_dB;
1568 ucontrol->value.integer.value[1] =
1569 an_gain_mB[1] / HPI_UNITS_PER_dB;
1570
1571 return 0;
1572 }
1573
1574 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1575 struct snd_ctl_elem_value *ucontrol)
1576 {
1577 int change;
1578 u32 h_control = kcontrol->private_value;
1579 short an_gain_mB[HPI_MAX_CHANNELS];
1580
1581 an_gain_mB[0] =
1582 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1583 an_gain_mB[1] =
1584 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1585 /* change = asihpi->mixer_level[addr][0] != left ||
1586 asihpi->mixer_level[addr][1] != right;
1587 */
1588 change = 1;
1589 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1590 return change;
1591 }
1592
1593 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1594
1595 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1596 struct hpi_control *hpi_ctl)
1597 {
1598 struct snd_card *card = asihpi->card;
1599 struct snd_kcontrol_new snd_control;
1600
1601 /* can't use 'volume' cos some nodes have volume as well */
1602 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1603 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1604 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1605 snd_control.info = snd_asihpi_level_info;
1606 snd_control.get = snd_asihpi_level_get;
1607 snd_control.put = snd_asihpi_level_put;
1608 snd_control.tlv.p = db_scale_level;
1609
1610 return ctl_add(card, &snd_control, asihpi);
1611 }
1612
1613 /*------------------------------------------------------------
1614 AESEBU controls
1615 ------------------------------------------------------------*/
1616
1617 /* AESEBU format */
1618 static const char * const asihpi_aesebu_format_names[] = {
1619 "N/A", "S/PDIF", "AES/EBU" };
1620
1621 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1622 struct snd_ctl_elem_info *uinfo)
1623 {
1624 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1625 uinfo->count = 1;
1626 uinfo->value.enumerated.items = 3;
1627
1628 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1629 uinfo->value.enumerated.item =
1630 uinfo->value.enumerated.items - 1;
1631
1632 strcpy(uinfo->value.enumerated.name,
1633 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1634
1635 return 0;
1636 }
1637
1638 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1639 struct snd_ctl_elem_value *ucontrol,
1640 u16 (*func)(u32, u16 *))
1641 {
1642 u32 h_control = kcontrol->private_value;
1643 u16 source, err;
1644
1645 err = func(h_control, &source);
1646
1647 /* default to N/A */
1648 ucontrol->value.enumerated.item[0] = 0;
1649 /* return success but set the control to N/A */
1650 if (err)
1651 return 0;
1652 if (source == HPI_AESEBU_FORMAT_SPDIF)
1653 ucontrol->value.enumerated.item[0] = 1;
1654 if (source == HPI_AESEBU_FORMAT_AESEBU)
1655 ucontrol->value.enumerated.item[0] = 2;
1656
1657 return 0;
1658 }
1659
1660 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1661 struct snd_ctl_elem_value *ucontrol,
1662 u16 (*func)(u32, u16))
1663 {
1664 u32 h_control = kcontrol->private_value;
1665
1666 /* default to S/PDIF */
1667 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1668
1669 if (ucontrol->value.enumerated.item[0] == 1)
1670 source = HPI_AESEBU_FORMAT_SPDIF;
1671 if (ucontrol->value.enumerated.item[0] == 2)
1672 source = HPI_AESEBU_FORMAT_AESEBU;
1673
1674 if (func(h_control, source) != 0)
1675 return -EINVAL;
1676
1677 return 1;
1678 }
1679
1680 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1681 struct snd_ctl_elem_value *ucontrol) {
1682 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1683 hpi_aesebu_receiver_get_format);
1684 }
1685
1686 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1687 struct snd_ctl_elem_value *ucontrol) {
1688 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1689 hpi_aesebu_receiver_set_format);
1690 }
1691
1692 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1693 struct snd_ctl_elem_info *uinfo)
1694 {
1695 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1696 uinfo->count = 1;
1697
1698 uinfo->value.integer.min = 0;
1699 uinfo->value.integer.max = 0X1F;
1700 uinfo->value.integer.step = 1;
1701
1702 return 0;
1703 }
1704
1705 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1706 struct snd_ctl_elem_value *ucontrol) {
1707
1708 u32 h_control = kcontrol->private_value;
1709 u16 status;
1710
1711 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1712 h_control, &status));
1713 ucontrol->value.integer.value[0] = status;
1714 return 0;
1715 }
1716
1717 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1718 struct hpi_control *hpi_ctl)
1719 {
1720 struct snd_card *card = asihpi->card;
1721 struct snd_kcontrol_new snd_control;
1722
1723 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1724 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1725 snd_control.info = snd_asihpi_aesebu_format_info;
1726 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1727 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1728
1729
1730 if (ctl_add(card, &snd_control, asihpi) < 0)
1731 return -EINVAL;
1732
1733 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1734 snd_control.access =
1735 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1736 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1737 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1738
1739 return ctl_add(card, &snd_control, asihpi);
1740 }
1741
1742 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1743 struct snd_ctl_elem_value *ucontrol) {
1744 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1745 hpi_aesebu_transmitter_get_format);
1746 }
1747
1748 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1749 struct snd_ctl_elem_value *ucontrol) {
1750 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1751 hpi_aesebu_transmitter_set_format);
1752 }
1753
1754
1755 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1756 struct hpi_control *hpi_ctl)
1757 {
1758 struct snd_card *card = asihpi->card;
1759 struct snd_kcontrol_new snd_control;
1760
1761 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1762 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1763 snd_control.info = snd_asihpi_aesebu_format_info;
1764 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1765 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1766
1767 return ctl_add(card, &snd_control, asihpi);
1768 }
1769
1770 /*------------------------------------------------------------
1771 Tuner controls
1772 ------------------------------------------------------------*/
1773
1774 /* Gain */
1775
1776 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1777 struct snd_ctl_elem_info *uinfo)
1778 {
1779 u32 h_control = kcontrol->private_value;
1780 u16 err;
1781 short idx;
1782 u16 gain_range[3];
1783
1784 for (idx = 0; idx < 3; idx++) {
1785 err = hpi_tuner_query_gain(h_control,
1786 idx, &gain_range[idx]);
1787 if (err != 0)
1788 return err;
1789 }
1790
1791 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1792 uinfo->count = 1;
1793 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1794 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1795 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1796 return 0;
1797 }
1798
1799 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1800 struct snd_ctl_elem_value *ucontrol)
1801 {
1802 /*
1803 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1804 */
1805 u32 h_control = kcontrol->private_value;
1806 short gain;
1807
1808 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1809 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1810
1811 return 0;
1812 }
1813
1814 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1815 struct snd_ctl_elem_value *ucontrol)
1816 {
1817 /*
1818 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1819 */
1820 u32 h_control = kcontrol->private_value;
1821 short gain;
1822
1823 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1824 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1825
1826 return 1;
1827 }
1828
1829 /* Band */
1830
1831 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1832 u16 *band_list, u32 len) {
1833 u32 h_control = kcontrol->private_value;
1834 u16 err = 0;
1835 u32 i;
1836
1837 for (i = 0; i < len; i++) {
1838 err = hpi_tuner_query_band(
1839 h_control, i, &band_list[i]);
1840 if (err != 0)
1841 break;
1842 }
1843
1844 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1845 return -EIO;
1846
1847 return i;
1848 }
1849
1850 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1851 struct snd_ctl_elem_info *uinfo)
1852 {
1853 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1854 int num_bands = 0;
1855
1856 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1857 HPI_TUNER_BAND_LAST);
1858
1859 if (num_bands < 0)
1860 return num_bands;
1861
1862 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1863 uinfo->count = 1;
1864 uinfo->value.enumerated.items = num_bands;
1865
1866 if (num_bands > 0) {
1867 if (uinfo->value.enumerated.item >=
1868 uinfo->value.enumerated.items)
1869 uinfo->value.enumerated.item =
1870 uinfo->value.enumerated.items - 1;
1871
1872 strcpy(uinfo->value.enumerated.name,
1873 asihpi_tuner_band_names[
1874 tuner_bands[uinfo->value.enumerated.item]]);
1875
1876 }
1877 return 0;
1878 }
1879
1880 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1881 struct snd_ctl_elem_value *ucontrol)
1882 {
1883 u32 h_control = kcontrol->private_value;
1884 /*
1885 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1886 */
1887 u16 band, idx;
1888 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1889 u32 num_bands = 0;
1890
1891 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1892 HPI_TUNER_BAND_LAST);
1893
1894 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1895
1896 ucontrol->value.enumerated.item[0] = -1;
1897 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1898 if (tuner_bands[idx] == band) {
1899 ucontrol->value.enumerated.item[0] = idx;
1900 break;
1901 }
1902
1903 return 0;
1904 }
1905
1906 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1907 struct snd_ctl_elem_value *ucontrol)
1908 {
1909 /*
1910 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1911 */
1912 u32 h_control = kcontrol->private_value;
1913 u16 band;
1914 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1915 u32 num_bands = 0;
1916
1917 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1918 HPI_TUNER_BAND_LAST);
1919
1920 band = tuner_bands[ucontrol->value.enumerated.item[0]];
1921 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1922
1923 return 1;
1924 }
1925
1926 /* Freq */
1927
1928 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1929 struct snd_ctl_elem_info *uinfo)
1930 {
1931 u32 h_control = kcontrol->private_value;
1932 u16 err;
1933 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1934 u16 num_bands = 0, band_iter, idx;
1935 u32 freq_range[3], temp_freq_range[3];
1936
1937 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1938 HPI_TUNER_BAND_LAST);
1939
1940 freq_range[0] = INT_MAX;
1941 freq_range[1] = 0;
1942 freq_range[2] = INT_MAX;
1943
1944 for (band_iter = 0; band_iter < num_bands; band_iter++) {
1945 for (idx = 0; idx < 3; idx++) {
1946 err = hpi_tuner_query_frequency(h_control,
1947 idx, tuner_bands[band_iter],
1948 &temp_freq_range[idx]);
1949 if (err != 0)
1950 return err;
1951 }
1952
1953 /* skip band with bogus stepping */
1954 if (temp_freq_range[2] <= 0)
1955 continue;
1956
1957 if (temp_freq_range[0] < freq_range[0])
1958 freq_range[0] = temp_freq_range[0];
1959 if (temp_freq_range[1] > freq_range[1])
1960 freq_range[1] = temp_freq_range[1];
1961 if (temp_freq_range[2] < freq_range[2])
1962 freq_range[2] = temp_freq_range[2];
1963 }
1964
1965 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1966 uinfo->count = 1;
1967 uinfo->value.integer.min = ((int)freq_range[0]);
1968 uinfo->value.integer.max = ((int)freq_range[1]);
1969 uinfo->value.integer.step = ((int)freq_range[2]);
1970 return 0;
1971 }
1972
1973 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1974 struct snd_ctl_elem_value *ucontrol)
1975 {
1976 u32 h_control = kcontrol->private_value;
1977 u32 freq;
1978
1979 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1980 ucontrol->value.integer.value[0] = freq;
1981
1982 return 0;
1983 }
1984
1985 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1986 struct snd_ctl_elem_value *ucontrol)
1987 {
1988 u32 h_control = kcontrol->private_value;
1989 u32 freq;
1990
1991 freq = ucontrol->value.integer.value[0];
1992 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1993
1994 return 1;
1995 }
1996
1997 /* Tuner control group initializer */
1998 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
1999 struct hpi_control *hpi_ctl)
2000 {
2001 struct snd_card *card = asihpi->card;
2002 struct snd_kcontrol_new snd_control;
2003
2004 snd_control.private_value = hpi_ctl->h_control;
2005 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2006
2007 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2008 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2009 snd_control.info = snd_asihpi_tuner_gain_info;
2010 snd_control.get = snd_asihpi_tuner_gain_get;
2011 snd_control.put = snd_asihpi_tuner_gain_put;
2012
2013 if (ctl_add(card, &snd_control, asihpi) < 0)
2014 return -EINVAL;
2015 }
2016
2017 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2018 snd_control.info = snd_asihpi_tuner_band_info;
2019 snd_control.get = snd_asihpi_tuner_band_get;
2020 snd_control.put = snd_asihpi_tuner_band_put;
2021
2022 if (ctl_add(card, &snd_control, asihpi) < 0)
2023 return -EINVAL;
2024
2025 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2026 snd_control.info = snd_asihpi_tuner_freq_info;
2027 snd_control.get = snd_asihpi_tuner_freq_get;
2028 snd_control.put = snd_asihpi_tuner_freq_put;
2029
2030 return ctl_add(card, &snd_control, asihpi);
2031 }
2032
2033 /*------------------------------------------------------------
2034 Meter controls
2035 ------------------------------------------------------------*/
2036 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2037 struct snd_ctl_elem_info *uinfo)
2038 {
2039 u32 h_control = kcontrol->private_value;
2040 u32 count;
2041 u16 err;
2042 err = hpi_meter_query_channels(h_control, &count);
2043 if (err)
2044 count = HPI_MAX_CHANNELS;
2045
2046 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2047 uinfo->count = count;
2048 uinfo->value.integer.min = 0;
2049 uinfo->value.integer.max = 0x7FFFFFFF;
2050 return 0;
2051 }
2052
2053 /* linear values for 10dB steps */
2054 static int log2lin[] = {
2055 0x7FFFFFFF, /* 0dB */
2056 679093956,
2057 214748365,
2058 67909396,
2059 21474837,
2060 6790940,
2061 2147484, /* -60dB */
2062 679094,
2063 214748, /* -80 */
2064 67909,
2065 21475, /* -100 */
2066 6791,
2067 2147,
2068 679,
2069 214,
2070 68,
2071 21,
2072 7,
2073 2
2074 };
2075
2076 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2077 struct snd_ctl_elem_value *ucontrol)
2078 {
2079 u32 h_control = kcontrol->private_value;
2080 short an_gain_mB[HPI_MAX_CHANNELS], i;
2081 u16 err;
2082
2083 err = hpi_meter_get_peak(h_control, an_gain_mB);
2084
2085 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2086 if (err) {
2087 ucontrol->value.integer.value[i] = 0;
2088 } else if (an_gain_mB[i] >= 0) {
2089 ucontrol->value.integer.value[i] =
2090 an_gain_mB[i] << 16;
2091 } else {
2092 /* -ve is log value in millibels < -60dB,
2093 * convert to (roughly!) linear,
2094 */
2095 ucontrol->value.integer.value[i] =
2096 log2lin[an_gain_mB[i] / -1000];
2097 }
2098 }
2099 return 0;
2100 }
2101
2102 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2103 struct hpi_control *hpi_ctl, int subidx)
2104 {
2105 struct snd_card *card = asihpi->card;
2106 struct snd_kcontrol_new snd_control;
2107
2108 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2109 snd_control.access =
2110 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2111 snd_control.info = snd_asihpi_meter_info;
2112 snd_control.get = snd_asihpi_meter_get;
2113
2114 snd_control.index = subidx;
2115
2116 return ctl_add(card, &snd_control, asihpi);
2117 }
2118
2119 /*------------------------------------------------------------
2120 Multiplexer controls
2121 ------------------------------------------------------------*/
2122 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2123 {
2124 u32 h_control = snd_control->private_value;
2125 struct hpi_control hpi_ctl;
2126 int s, err;
2127 for (s = 0; s < 32; s++) {
2128 err = hpi_multiplexer_query_source(h_control, s,
2129 &hpi_ctl.
2130 src_node_type,
2131 &hpi_ctl.
2132 src_node_index);
2133 if (err)
2134 break;
2135 }
2136 return s;
2137 }
2138
2139 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2140 struct snd_ctl_elem_info *uinfo)
2141 {
2142 int err;
2143 u16 src_node_type, src_node_index;
2144 u32 h_control = kcontrol->private_value;
2145
2146 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2147 uinfo->count = 1;
2148 uinfo->value.enumerated.items =
2149 snd_card_asihpi_mux_count_sources(kcontrol);
2150
2151 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2152 uinfo->value.enumerated.item =
2153 uinfo->value.enumerated.items - 1;
2154
2155 err =
2156 hpi_multiplexer_query_source(h_control,
2157 uinfo->value.enumerated.item,
2158 &src_node_type, &src_node_index);
2159
2160 sprintf(uinfo->value.enumerated.name, "%s %d",
2161 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2162 src_node_index);
2163 return 0;
2164 }
2165
2166 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2167 struct snd_ctl_elem_value *ucontrol)
2168 {
2169 u32 h_control = kcontrol->private_value;
2170 u16 source_type, source_index;
2171 u16 src_node_type, src_node_index;
2172 int s;
2173
2174 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2175 &source_type, &source_index));
2176 /* Should cache this search result! */
2177 for (s = 0; s < 256; s++) {
2178 if (hpi_multiplexer_query_source(h_control, s,
2179 &src_node_type, &src_node_index))
2180 break;
2181
2182 if ((source_type == src_node_type)
2183 && (source_index == src_node_index)) {
2184 ucontrol->value.enumerated.item[0] = s;
2185 return 0;
2186 }
2187 }
2188 snd_printd(KERN_WARNING
2189 "Control %x failed to match mux source %hu %hu\n",
2190 h_control, source_type, source_index);
2191 ucontrol->value.enumerated.item[0] = 0;
2192 return 0;
2193 }
2194
2195 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2196 struct snd_ctl_elem_value *ucontrol)
2197 {
2198 int change;
2199 u32 h_control = kcontrol->private_value;
2200 u16 source_type, source_index;
2201 u16 e;
2202
2203 change = 1;
2204
2205 e = hpi_multiplexer_query_source(h_control,
2206 ucontrol->value.enumerated.item[0],
2207 &source_type, &source_index);
2208 if (!e)
2209 hpi_handle_error(
2210 hpi_multiplexer_set_source(h_control,
2211 source_type, source_index));
2212 return change;
2213 }
2214
2215
2216 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2217 struct hpi_control *hpi_ctl)
2218 {
2219 struct snd_card *card = asihpi->card;
2220 struct snd_kcontrol_new snd_control;
2221
2222 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2223 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2224 snd_control.info = snd_asihpi_mux_info;
2225 snd_control.get = snd_asihpi_mux_get;
2226 snd_control.put = snd_asihpi_mux_put;
2227
2228 return ctl_add(card, &snd_control, asihpi);
2229
2230 }
2231
2232 /*------------------------------------------------------------
2233 Channel mode controls
2234 ------------------------------------------------------------*/
2235 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2236 struct snd_ctl_elem_info *uinfo)
2237 {
2238 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2239 "invalid",
2240 "Normal", "Swap",
2241 "From Left", "From Right",
2242 "To Left", "To Right"
2243 };
2244
2245 u32 h_control = kcontrol->private_value;
2246 u16 mode;
2247 int i;
2248 u16 mode_map[6];
2249 int valid_modes = 0;
2250
2251 /* HPI channel mode values can be from 1 to 6
2252 Some adapters only support a contiguous subset
2253 */
2254 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2255 if (!hpi_channel_mode_query_mode(
2256 h_control, i, &mode)) {
2257 mode_map[valid_modes] = mode;
2258 valid_modes++;
2259 }
2260
2261 if (!valid_modes)
2262 return -EINVAL;
2263
2264 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2265 uinfo->count = 1;
2266 uinfo->value.enumerated.items = valid_modes;
2267
2268 if (uinfo->value.enumerated.item >= valid_modes)
2269 uinfo->value.enumerated.item = valid_modes - 1;
2270
2271 strcpy(uinfo->value.enumerated.name,
2272 mode_names[mode_map[uinfo->value.enumerated.item]]);
2273
2274 return 0;
2275 }
2276
2277 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2278 struct snd_ctl_elem_value *ucontrol)
2279 {
2280 u32 h_control = kcontrol->private_value;
2281 u16 mode;
2282
2283 if (hpi_channel_mode_get(h_control, &mode))
2284 mode = 1;
2285
2286 ucontrol->value.enumerated.item[0] = mode - 1;
2287
2288 return 0;
2289 }
2290
2291 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2292 struct snd_ctl_elem_value *ucontrol)
2293 {
2294 int change;
2295 u32 h_control = kcontrol->private_value;
2296
2297 change = 1;
2298
2299 hpi_handle_error(hpi_channel_mode_set(h_control,
2300 ucontrol->value.enumerated.item[0] + 1));
2301 return change;
2302 }
2303
2304
2305 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2306 struct hpi_control *hpi_ctl)
2307 {
2308 struct snd_card *card = asihpi->card;
2309 struct snd_kcontrol_new snd_control;
2310
2311 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2312 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2313 snd_control.info = snd_asihpi_cmode_info;
2314 snd_control.get = snd_asihpi_cmode_get;
2315 snd_control.put = snd_asihpi_cmode_put;
2316
2317 return ctl_add(card, &snd_control, asihpi);
2318 }
2319
2320 /*------------------------------------------------------------
2321 Sampleclock source controls
2322 ------------------------------------------------------------*/
2323 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2324 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2325 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2326 "Prev Module",
2327 "Digital2", "Digital3", "Digital4", "Digital5",
2328 "Digital6", "Digital7", "Digital8"};
2329
2330 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2331 struct snd_ctl_elem_info *uinfo)
2332 {
2333 struct snd_card_asihpi *asihpi =
2334 (struct snd_card_asihpi *)(kcontrol->private_data);
2335 struct clk_cache *clkcache = &asihpi->cc;
2336 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2337 uinfo->count = 1;
2338 uinfo->value.enumerated.items = clkcache->count;
2339
2340 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2341 uinfo->value.enumerated.item =
2342 uinfo->value.enumerated.items - 1;
2343
2344 strcpy(uinfo->value.enumerated.name,
2345 clkcache->s[uinfo->value.enumerated.item].name);
2346 return 0;
2347 }
2348
2349 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2350 struct snd_ctl_elem_value *ucontrol)
2351 {
2352 struct snd_card_asihpi *asihpi =
2353 (struct snd_card_asihpi *)(kcontrol->private_data);
2354 struct clk_cache *clkcache = &asihpi->cc;
2355 u32 h_control = kcontrol->private_value;
2356 u16 source, srcindex = 0;
2357 int i;
2358
2359 ucontrol->value.enumerated.item[0] = 0;
2360 if (hpi_sample_clock_get_source(h_control, &source))
2361 source = 0;
2362
2363 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2364 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2365 srcindex = 0;
2366
2367 for (i = 0; i < clkcache->count; i++)
2368 if ((clkcache->s[i].source == source) &&
2369 (clkcache->s[i].index == srcindex))
2370 break;
2371
2372 ucontrol->value.enumerated.item[0] = i;
2373
2374 return 0;
2375 }
2376
2377 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2378 struct snd_ctl_elem_value *ucontrol)
2379 {
2380 struct snd_card_asihpi *asihpi =
2381 (struct snd_card_asihpi *)(kcontrol->private_data);
2382 struct clk_cache *clkcache = &asihpi->cc;
2383 int change, item;
2384 u32 h_control = kcontrol->private_value;
2385
2386 change = 1;
2387 item = ucontrol->value.enumerated.item[0];
2388 if (item >= clkcache->count)
2389 item = clkcache->count-1;
2390
2391 hpi_handle_error(hpi_sample_clock_set_source(
2392 h_control, clkcache->s[item].source));
2393
2394 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2395 hpi_handle_error(hpi_sample_clock_set_source_index(
2396 h_control, clkcache->s[item].index));
2397 return change;
2398 }
2399
2400 /*------------------------------------------------------------
2401 Clkrate controls
2402 ------------------------------------------------------------*/
2403 /* Need to change this to enumerated control with list of rates */
2404 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2405 struct snd_ctl_elem_info *uinfo)
2406 {
2407 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2408 uinfo->count = 1;
2409 uinfo->value.integer.min = 8000;
2410 uinfo->value.integer.max = 192000;
2411 uinfo->value.integer.step = 100;
2412
2413 return 0;
2414 }
2415
2416 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2417 struct snd_ctl_elem_value *ucontrol)
2418 {
2419 u32 h_control = kcontrol->private_value;
2420 u32 rate;
2421 u16 e;
2422
2423 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2424 if (!e)
2425 ucontrol->value.integer.value[0] = rate;
2426 else
2427 ucontrol->value.integer.value[0] = 0;
2428 return 0;
2429 }
2430
2431 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2432 struct snd_ctl_elem_value *ucontrol)
2433 {
2434 int change;
2435 u32 h_control = kcontrol->private_value;
2436
2437 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2438 asihpi->mixer_clkrate[addr][1] != right;
2439 */
2440 change = 1;
2441 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2442 ucontrol->value.integer.value[0]));
2443 return change;
2444 }
2445
2446 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2447 struct snd_ctl_elem_info *uinfo)
2448 {
2449 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2450 uinfo->count = 1;
2451 uinfo->value.integer.min = 8000;
2452 uinfo->value.integer.max = 192000;
2453 uinfo->value.integer.step = 100;
2454
2455 return 0;
2456 }
2457
2458 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2459 struct snd_ctl_elem_value *ucontrol)
2460 {
2461 u32 h_control = kcontrol->private_value;
2462 u32 rate;
2463 u16 e;
2464
2465 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2466 if (!e)
2467 ucontrol->value.integer.value[0] = rate;
2468 else
2469 ucontrol->value.integer.value[0] = 0;
2470 return 0;
2471 }
2472
2473 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2474 struct hpi_control *hpi_ctl)
2475 {
2476 struct snd_card *card = asihpi->card;
2477 struct snd_kcontrol_new snd_control;
2478
2479 struct clk_cache *clkcache = &asihpi->cc;
2480 u32 hSC = hpi_ctl->h_control;
2481 int has_aes_in = 0;
2482 int i, j;
2483 u16 source;
2484
2485 snd_control.private_value = hpi_ctl->h_control;
2486
2487 clkcache->has_local = 0;
2488
2489 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2490 if (hpi_sample_clock_query_source(hSC,
2491 i, &source))
2492 break;
2493 clkcache->s[i].source = source;
2494 clkcache->s[i].index = 0;
2495 clkcache->s[i].name = sampleclock_sources[source];
2496 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2497 has_aes_in = 1;
2498 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2499 clkcache->has_local = 1;
2500 }
2501 if (has_aes_in)
2502 /* already will have picked up index 0 above */
2503 for (j = 1; j < 8; j++) {
2504 if (hpi_sample_clock_query_source_index(hSC,
2505 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2506 &source))
2507 break;
2508 clkcache->s[i].source =
2509 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2510 clkcache->s[i].index = j;
2511 clkcache->s[i].name = sampleclock_sources[
2512 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2513 i++;
2514 }
2515 clkcache->count = i;
2516
2517 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2518 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2519 snd_control.info = snd_asihpi_clksrc_info;
2520 snd_control.get = snd_asihpi_clksrc_get;
2521 snd_control.put = snd_asihpi_clksrc_put;
2522 if (ctl_add(card, &snd_control, asihpi) < 0)
2523 return -EINVAL;
2524
2525
2526 if (clkcache->has_local) {
2527 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2528 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2529 snd_control.info = snd_asihpi_clklocal_info;
2530 snd_control.get = snd_asihpi_clklocal_get;
2531 snd_control.put = snd_asihpi_clklocal_put;
2532
2533
2534 if (ctl_add(card, &snd_control, asihpi) < 0)
2535 return -EINVAL;
2536 }
2537
2538 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2539 snd_control.access =
2540 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2541 snd_control.info = snd_asihpi_clkrate_info;
2542 snd_control.get = snd_asihpi_clkrate_get;
2543
2544 return ctl_add(card, &snd_control, asihpi);
2545 }
2546 /*------------------------------------------------------------
2547 Mixer
2548 ------------------------------------------------------------*/
2549
2550 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2551 {
2552 struct snd_card *card;
2553 unsigned int idx = 0;
2554 unsigned int subindex = 0;
2555 int err;
2556 struct hpi_control hpi_ctl, prev_ctl;
2557
2558 if (snd_BUG_ON(!asihpi))
2559 return -EINVAL;
2560 card = asihpi->card;
2561 strcpy(card->mixername, "Asihpi Mixer");
2562
2563 err =
2564 hpi_mixer_open(asihpi->hpi->adapter->index,
2565 &asihpi->h_mixer);
2566 hpi_handle_error(err);
2567 if (err)
2568 return -err;
2569
2570 memset(&prev_ctl, 0, sizeof(prev_ctl));
2571 prev_ctl.control_type = -1;
2572
2573 for (idx = 0; idx < 2000; idx++) {
2574 err = hpi_mixer_get_control_by_index(
2575 asihpi->h_mixer,
2576 idx,
2577 &hpi_ctl.src_node_type,
2578 &hpi_ctl.src_node_index,
2579 &hpi_ctl.dst_node_type,
2580 &hpi_ctl.dst_node_index,
2581 &hpi_ctl.control_type,
2582 &hpi_ctl.h_control);
2583 if (err) {
2584 if (err == HPI_ERROR_CONTROL_DISABLED) {
2585 if (mixer_dump)
2586 snd_printk(KERN_INFO
2587 "Disabled HPI Control(%d)\n",
2588 idx);
2589 continue;
2590 } else
2591 break;
2592
2593 }
2594
2595 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2596 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2597
2598 /* ASI50xx in SSX mode has multiple meters on the same node.
2599 Use subindex to create distinct ALSA controls
2600 for any duplicated controls.
2601 */
2602 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2603 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2604 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2605 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2606 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2607 subindex++;
2608 else
2609 subindex = 0;
2610
2611 prev_ctl = hpi_ctl;
2612
2613 switch (hpi_ctl.control_type) {
2614 case HPI_CONTROL_VOLUME:
2615 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2616 break;
2617 case HPI_CONTROL_LEVEL:
2618 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2619 break;
2620 case HPI_CONTROL_MULTIPLEXER:
2621 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2622 break;
2623 case HPI_CONTROL_CHANNEL_MODE:
2624 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2625 break;
2626 case HPI_CONTROL_METER:
2627 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2628 break;
2629 case HPI_CONTROL_SAMPLECLOCK:
2630 err = snd_asihpi_sampleclock_add(
2631 asihpi, &hpi_ctl);
2632 break;
2633 case HPI_CONTROL_CONNECTION: /* ignore these */
2634 continue;
2635 case HPI_CONTROL_TUNER:
2636 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2637 break;
2638 case HPI_CONTROL_AESEBU_TRANSMITTER:
2639 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2640 break;
2641 case HPI_CONTROL_AESEBU_RECEIVER:
2642 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2643 break;
2644 case HPI_CONTROL_VOX:
2645 case HPI_CONTROL_BITSTREAM:
2646 case HPI_CONTROL_MICROPHONE:
2647 case HPI_CONTROL_PARAMETRIC_EQ:
2648 case HPI_CONTROL_COMPANDER:
2649 default:
2650 if (mixer_dump)
2651 snd_printk(KERN_INFO
2652 "Untranslated HPI Control"
2653 "(%d) %d %d %d %d %d\n",
2654 idx,
2655 hpi_ctl.control_type,
2656 hpi_ctl.src_node_type,
2657 hpi_ctl.src_node_index,
2658 hpi_ctl.dst_node_type,
2659 hpi_ctl.dst_node_index);
2660 continue;
2661 }
2662 if (err < 0)
2663 return err;
2664 }
2665 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2666 hpi_handle_error(err);
2667
2668 snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2669
2670 return 0;
2671 }
2672
2673 /*------------------------------------------------------------
2674 /proc interface
2675 ------------------------------------------------------------*/
2676
2677 static void
2678 snd_asihpi_proc_read(struct snd_info_entry *entry,
2679 struct snd_info_buffer *buffer)
2680 {
2681 struct snd_card_asihpi *asihpi = entry->private_data;
2682 u32 h_control;
2683 u32 rate = 0;
2684 u16 source = 0;
2685
2686 u16 num_outstreams;
2687 u16 num_instreams;
2688 u16 version;
2689 u32 serial_number;
2690 u16 type;
2691
2692 int err;
2693
2694 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2695
2696 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2697 &num_outstreams, &num_instreams,
2698 &version, &serial_number, &type));
2699
2700 snd_iprintf(buffer,
2701 "Adapter type ASI%4X\nHardware Index %d\n"
2702 "%d outstreams\n%d instreams\n",
2703 type, asihpi->hpi->adapter->index,
2704 num_outstreams, num_instreams);
2705
2706 snd_iprintf(buffer,
2707 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2708 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2709 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2710
2711 err = hpi_mixer_get_control(asihpi->h_mixer,
2712 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2713 HPI_CONTROL_SAMPLECLOCK, &h_control);
2714
2715 if (!err) {
2716 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2717 err += hpi_sample_clock_get_source(h_control, &source);
2718
2719 if (!err)
2720 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2721 rate, sampleclock_sources[source]);
2722 }
2723 }
2724
2725 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2726 {
2727 struct snd_info_entry *entry;
2728
2729 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2730 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2731 }
2732
2733 /*------------------------------------------------------------
2734 HWDEP
2735 ------------------------------------------------------------*/
2736
2737 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2738 {
2739 if (enable_hpi_hwdep)
2740 return 0;
2741 else
2742 return -ENODEV;
2743
2744 }
2745
2746 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2747 {
2748 if (enable_hpi_hwdep)
2749 return asihpi_hpi_release(file);
2750 else
2751 return -ENODEV;
2752 }
2753
2754 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2755 unsigned int cmd, unsigned long arg)
2756 {
2757 if (enable_hpi_hwdep)
2758 return asihpi_hpi_ioctl(file, cmd, arg);
2759 else
2760 return -ENODEV;
2761 }
2762
2763
2764 /* results in /dev/snd/hwC#D0 file for each card with index #
2765 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2766 */
2767 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2768 int device, struct snd_hwdep **rhwdep)
2769 {
2770 struct snd_hwdep *hw;
2771 int err;
2772
2773 if (rhwdep)
2774 *rhwdep = NULL;
2775 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2776 if (err < 0)
2777 return err;
2778 strcpy(hw->name, "asihpi (HPI)");
2779 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2780 hw->ops.open = snd_asihpi_hpi_open;
2781 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2782 hw->ops.release = snd_asihpi_hpi_release;
2783 hw->private_data = asihpi;
2784 if (rhwdep)
2785 *rhwdep = hw;
2786 return 0;
2787 }
2788
2789 /*------------------------------------------------------------
2790 CARD
2791 ------------------------------------------------------------*/
2792 static int snd_asihpi_probe(struct pci_dev *pci_dev,
2793 const struct pci_device_id *pci_id)
2794 {
2795 int err;
2796 struct hpi_adapter *hpi;
2797 struct snd_card *card;
2798 struct snd_card_asihpi *asihpi;
2799
2800 u32 h_control;
2801 u32 h_stream;
2802 u32 adapter_index;
2803
2804 static int dev;
2805 if (dev >= SNDRV_CARDS)
2806 return -ENODEV;
2807
2808 /* Should this be enable[hpi->index] ? */
2809 if (!enable[dev]) {
2810 dev++;
2811 return -ENOENT;
2812 }
2813
2814 /* Initialise low-level HPI driver */
2815 err = asihpi_adapter_probe(pci_dev, pci_id);
2816 if (err < 0)
2817 return err;
2818
2819 hpi = pci_get_drvdata(pci_dev);
2820 adapter_index = hpi->adapter->index;
2821 /* first try to give the card the same index as its hardware index */
2822 err = snd_card_create(adapter_index,
2823 id[adapter_index], THIS_MODULE,
2824 sizeof(struct snd_card_asihpi),
2825 &card);
2826 if (err < 0) {
2827 /* if that fails, try the default index==next available */
2828 err =
2829 snd_card_create(index[dev], id[dev],
2830 THIS_MODULE,
2831 sizeof(struct snd_card_asihpi),
2832 &card);
2833 if (err < 0)
2834 return err;
2835 snd_printk(KERN_WARNING
2836 "**** WARNING **** Adapter index %d->ALSA index %d\n",
2837 adapter_index, card->number);
2838 }
2839
2840 snd_card_set_dev(card, &pci_dev->dev);
2841
2842 asihpi = card->private_data;
2843 asihpi->card = card;
2844 asihpi->pci = pci_dev;
2845 asihpi->hpi = hpi;
2846
2847 snd_printk(KERN_INFO "adapter ID=%4X index=%d\n",
2848 asihpi->hpi->adapter->type, adapter_index);
2849
2850 err = hpi_adapter_get_property(adapter_index,
2851 HPI_ADAPTER_PROPERTY_CAPS1,
2852 NULL, &asihpi->support_grouping);
2853 if (err)
2854 asihpi->support_grouping = 0;
2855
2856 err = hpi_adapter_get_property(adapter_index,
2857 HPI_ADAPTER_PROPERTY_CAPS2,
2858 &asihpi->support_mrx, NULL);
2859 if (err)
2860 asihpi->support_mrx = 0;
2861
2862 err = hpi_adapter_get_property(adapter_index,
2863 HPI_ADAPTER_PROPERTY_INTERVAL,
2864 NULL, &asihpi->update_interval_frames);
2865 if (err)
2866 asihpi->update_interval_frames = 512;
2867
2868 if (!asihpi->can_dma)
2869 asihpi->update_interval_frames *= 2;
2870
2871 hpi_handle_error(hpi_instream_open(adapter_index,
2872 0, &h_stream));
2873
2874 err = hpi_instream_host_buffer_free(h_stream);
2875 asihpi->can_dma = (!err);
2876
2877 hpi_handle_error(hpi_instream_close(h_stream));
2878
2879 err = hpi_adapter_get_property(adapter_index,
2880 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2881 &asihpi->in_max_chans, &asihpi->out_max_chans);
2882 if (err) {
2883 asihpi->in_max_chans = 2;
2884 asihpi->out_max_chans = 2;
2885 }
2886
2887 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2888 asihpi->out_min_chans = asihpi->out_max_chans;
2889 asihpi->in_min_chans = asihpi->in_max_chans;
2890 asihpi->support_grouping = 0;
2891 } else {
2892 asihpi->out_min_chans = 1;
2893 asihpi->in_min_chans = 1;
2894 }
2895
2896 snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n",
2897 asihpi->can_dma,
2898 asihpi->support_grouping,
2899 asihpi->support_mrx
2900 );
2901
2902 err = snd_card_asihpi_pcm_new(asihpi, 0);
2903 if (err < 0) {
2904 snd_printk(KERN_ERR "pcm_new failed\n");
2905 goto __nodev;
2906 }
2907 err = snd_card_asihpi_mixer_new(asihpi);
2908 if (err < 0) {
2909 snd_printk(KERN_ERR "mixer_new failed\n");
2910 goto __nodev;
2911 }
2912
2913 err = hpi_mixer_get_control(asihpi->h_mixer,
2914 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2915 HPI_CONTROL_SAMPLECLOCK, &h_control);
2916
2917 if (!err)
2918 err = hpi_sample_clock_set_local_rate(
2919 h_control, adapter_fs);
2920
2921 snd_asihpi_proc_init(asihpi);
2922
2923 /* always create, can be enabled or disabled dynamically
2924 by enable_hwdep module param*/
2925 snd_asihpi_hpi_new(asihpi, 0, NULL);
2926
2927 strcpy(card->driver, "ASIHPI");
2928
2929 sprintf(card->shortname, "AudioScience ASI%4X",
2930 asihpi->hpi->adapter->type);
2931 sprintf(card->longname, "%s %i",
2932 card->shortname, adapter_index);
2933 err = snd_card_register(card);
2934
2935 if (!err) {
2936 hpi->snd_card = card;
2937 dev++;
2938 return 0;
2939 }
2940 __nodev:
2941 snd_card_free(card);
2942 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2943 return err;
2944
2945 }
2946
2947 static void snd_asihpi_remove(struct pci_dev *pci_dev)
2948 {
2949 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
2950 snd_card_free(hpi->snd_card);
2951 hpi->snd_card = NULL;
2952 asihpi_adapter_remove(pci_dev);
2953 }
2954
2955 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2956 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2957 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2958 (kernel_ulong_t)HPI_6205},
2959 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2960 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2961 (kernel_ulong_t)HPI_6000},
2962 {0,}
2963 };
2964 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2965
2966 static struct pci_driver driver = {
2967 .name = KBUILD_MODNAME,
2968 .id_table = asihpi_pci_tbl,
2969 .probe = snd_asihpi_probe,
2970 .remove = snd_asihpi_remove,
2971 #ifdef CONFIG_PM_SLEEP
2972 /* .suspend = snd_asihpi_suspend,
2973 .resume = snd_asihpi_resume, */
2974 #endif
2975 };
2976
2977 static int __init snd_asihpi_init(void)
2978 {
2979 asihpi_init();
2980 return pci_register_driver(&driver);
2981 }
2982
2983 static void __exit snd_asihpi_exit(void)
2984 {
2985
2986 pci_unregister_driver(&driver);
2987 asihpi_exit();
2988 }
2989
2990 module_init(snd_asihpi_init)
2991 module_exit(snd_asihpi_exit)
2992
Linux kernel - Deliverables
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