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I2C: Add helper macro for i2c_driver boilerplate
[zen-stable.git] / sound / pci / asihpi / asihpi.c
blobf4b9e2b7ae87ae1df0b5dfa374c1e2528b2232b7
1 /*
2 * Asihpi soundcard
3 * Copyright (c) by AudioScience Inc <alsa@audioscience.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 *
19 * The following is not a condition of use, merely a request:
20 * If you modify this program, particularly if you fix errors, AudioScience Inc
21 * would appreciate it if you grant us the right to use those modifications
22 * for any purpose including commercial applications.
23 */
24
25 #include "hpi_internal.h"
26 #include "hpimsginit.h"
27 #include "hpioctl.h"
28
29 #include <linux/pci.h>
30 #include <linux/init.h>
31 #include <linux/jiffies.h>
32 #include <linux/slab.h>
33 #include <linux/time.h>
34 #include <linux/wait.h>
35 #include <linux/module.h>
36 #include <sound/core.h>
37 #include <sound/control.h>
38 #include <sound/pcm.h>
39 #include <sound/pcm_params.h>
40 #include <sound/info.h>
41 #include <sound/initval.h>
42 #include <sound/tlv.h>
43 #include <sound/hwdep.h>
44
45 MODULE_LICENSE("GPL");
46 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
47 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx");
48
49 #if defined CONFIG_SND_DEBUG_VERBOSE
50 /**
51 * snd_printddd - very verbose debug printk
52 * @format: format string
53 *
54 * Works like snd_printk() for debugging purposes.
55 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
56 * Must set snd module debug parameter to 3 to enable at runtime.
57 */
58 #define snd_printddd(format, args...) \
59 __snd_printk(3, __FILE__, __LINE__, format, ##args)
60 #else
61 #define snd_printddd(format, args...) do { } while (0)
62 #endif
63
64 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
65 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
66 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
67 static int enable_hpi_hwdep = 1;
68
69 module_param_array(index, int, NULL, S_IRUGO);
70 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
71
72 module_param_array(id, charp, NULL, S_IRUGO);
73 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
74
75 module_param_array(enable, bool, NULL, S_IRUGO);
76 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
77
78 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(enable_hpi_hwdep,
80 "ALSA enable HPI hwdep for AudioScience soundcard ");
81
82 /* identify driver */
83 #ifdef KERNEL_ALSA_BUILD
84 static char *build_info = "Built using headers from kernel source";
85 module_param(build_info, charp, S_IRUGO);
86 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
87 #else
88 static char *build_info = "Built within ALSA source";
89 module_param(build_info, charp, S_IRUGO);
90 MODULE_PARM_DESC(build_info, "built within ALSA source");
91 #endif
92
93 /* set to 1 to dump every control from adapter to log */
94 static const int mixer_dump;
95
96 #define DEFAULT_SAMPLERATE 44100
97 static int adapter_fs = DEFAULT_SAMPLERATE;
98
99 /* defaults */
100 #define PERIODS_MIN 2
101 #define PERIOD_BYTES_MIN 2048
102 #define BUFFER_BYTES_MAX (512 * 1024)
103
104 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
105
106 struct clk_source {
107 int source;
108 int index;
109 char *name;
110 };
111
112 struct clk_cache {
113 int count;
114 int has_local;
115 struct clk_source s[MAX_CLOCKSOURCES];
116 };
117
118 /* Per card data */
119 struct snd_card_asihpi {
120 struct snd_card *card;
121 struct pci_dev *pci;
122 u16 adapter_index;
123 u32 serial_number;
124 u16 type;
125 u16 version;
126 u16 num_outstreams;
127 u16 num_instreams;
128
129 u32 h_mixer;
130 struct clk_cache cc;
131
132 u16 can_dma;
133 u16 support_grouping;
134 u16 support_mrx;
135 u16 update_interval_frames;
136 u16 in_max_chans;
137 u16 out_max_chans;
138 };
139
140 /* Per stream data */
141 struct snd_card_asihpi_pcm {
142 struct timer_list timer;
143 unsigned int respawn_timer;
144 unsigned int hpi_buffer_attached;
145 unsigned int buffer_bytes;
146 unsigned int period_bytes;
147 unsigned int bytes_per_sec;
148 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
149 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */
150 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */
151 unsigned int drained_count;
152 struct snd_pcm_substream *substream;
153 u32 h_stream;
154 struct hpi_format format;
155 };
156
157 /* universal stream verbs work with out or in stream handles */
158
159 /* Functions to allow driver to give a buffer to HPI for busmastering */
160
161 static u16 hpi_stream_host_buffer_attach(
162 u32 h_stream, /* handle to outstream. */
163 u32 size_in_bytes, /* size in bytes of bus mastering buffer */
164 u32 pci_address
165 )
166 {
167 struct hpi_message hm;
168 struct hpi_response hr;
169 unsigned int obj = hpi_handle_object(h_stream);
170
171 if (!h_stream)
172 return HPI_ERROR_INVALID_OBJ;
173 hpi_init_message_response(&hm, &hr, obj,
174 obj == HPI_OBJ_OSTREAM ?
175 HPI_OSTREAM_HOSTBUFFER_ALLOC :
176 HPI_ISTREAM_HOSTBUFFER_ALLOC);
177
178 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
179 &hm.obj_index);
180
181 hm.u.d.u.buffer.buffer_size = size_in_bytes;
182 hm.u.d.u.buffer.pci_address = pci_address;
183 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
184 hpi_send_recv(&hm, &hr);
185 return hr.error;
186 }
187
188 static u16 hpi_stream_host_buffer_detach(u32 h_stream)
189 {
190 struct hpi_message hm;
191 struct hpi_response hr;
192 unsigned int obj = hpi_handle_object(h_stream);
193
194 if (!h_stream)
195 return HPI_ERROR_INVALID_OBJ;
196
197 hpi_init_message_response(&hm, &hr, obj,
198 obj == HPI_OBJ_OSTREAM ?
199 HPI_OSTREAM_HOSTBUFFER_FREE :
200 HPI_ISTREAM_HOSTBUFFER_FREE);
201
202 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
203 &hm.obj_index);
204 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
205 hpi_send_recv(&hm, &hr);
206 return hr.error;
207 }
208
209 static inline u16 hpi_stream_start(u32 h_stream)
210 {
211 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
212 return hpi_outstream_start(h_stream);
213 else
214 return hpi_instream_start(h_stream);
215 }
216
217 static inline u16 hpi_stream_stop(u32 h_stream)
218 {
219 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
220 return hpi_outstream_stop(h_stream);
221 else
222 return hpi_instream_stop(h_stream);
223 }
224
225 static inline u16 hpi_stream_get_info_ex(
226 u32 h_stream,
227 u16 *pw_state,
228 u32 *pbuffer_size,
229 u32 *pdata_in_buffer,
230 u32 *psample_count,
231 u32 *pauxiliary_data
232 )
233 {
234 u16 e;
235 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
236 e = hpi_outstream_get_info_ex(h_stream, pw_state,
237 pbuffer_size, pdata_in_buffer,
238 psample_count, pauxiliary_data);
239 else
240 e = hpi_instream_get_info_ex(h_stream, pw_state,
241 pbuffer_size, pdata_in_buffer,
242 psample_count, pauxiliary_data);
243 return e;
244 }
245
246 static inline u16 hpi_stream_group_add(
247 u32 h_master,
248 u32 h_stream)
249 {
250 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM)
251 return hpi_outstream_group_add(h_master, h_stream);
252 else
253 return hpi_instream_group_add(h_master, h_stream);
254 }
255
256 static inline u16 hpi_stream_group_reset(u32 h_stream)
257 {
258 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
259 return hpi_outstream_group_reset(h_stream);
260 else
261 return hpi_instream_group_reset(h_stream);
262 }
263
264 static inline u16 hpi_stream_group_get_map(
265 u32 h_stream, u32 *mo, u32 *mi)
266 {
267 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
268 return hpi_outstream_group_get_map(h_stream, mo, mi);
269 else
270 return hpi_instream_group_get_map(h_stream, mo, mi);
271 }
272
273 static u16 handle_error(u16 err, int line, char *filename)
274 {
275 if (err)
276 printk(KERN_WARNING
277 "in file %s, line %d: HPI error %d\n",
278 filename, line, err);
279 return err;
280 }
281
282 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__)
283
284 /***************************** GENERAL PCM ****************/
285
286 static void print_hwparams(struct snd_pcm_substream *substream,
287 struct snd_pcm_hw_params *p)
288 {
289 char name[16];
290 snd_pcm_debug_name(substream, name, sizeof(name));
291 snd_printd("%s HWPARAMS\n", name);
292 snd_printd(" samplerate %d Hz\n", params_rate(p));
293 snd_printd(" channels %d\n", params_channels(p));
294 snd_printd(" format %d\n", params_format(p));
295 snd_printd(" subformat %d\n", params_subformat(p));
296 snd_printd(" buffer %d B\n", params_buffer_bytes(p));
297 snd_printd(" period %d B\n", params_period_bytes(p));
298 snd_printd(" access %d\n", params_access(p));
299 snd_printd(" period_size %d\n", params_period_size(p));
300 snd_printd(" periods %d\n", params_periods(p));
301 snd_printd(" buffer_size %d\n", params_buffer_size(p));
302 snd_printd(" %d B/s\n", params_rate(p) *
303 params_channels(p) *
304 snd_pcm_format_width(params_format(p)) / 8);
305
306 }
307
308 static snd_pcm_format_t hpi_to_alsa_formats[] = {
309 -1, /* INVALID */
310 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
311 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
312 -1, /* HPI_FORMAT_MPEG_L1 3 */
313 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
314 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
315 -1, /* HPI_FORMAT_DOLBY_AC2 6 */
316 -1, /* HPI_FORMAT_DOLBY_AC3 7 */
317 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
318 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
319 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
320 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
321 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
322 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
323 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
324 #if 1
325 /* ALSA can't handle 3 byte sample size together with power-of-2
326 * constraint on buffer_bytes, so disable this format
327 */
328 -1
329 #else
330 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
331 #endif
332 };
333
334
335 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
336 u16 *hpi_format)
337 {
338 u16 format;
339
340 for (format = HPI_FORMAT_PCM8_UNSIGNED;
341 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
342 if (hpi_to_alsa_formats[format] == alsa_format) {
343 *hpi_format = format;
344 return 0;
345 }
346 }
347
348 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
349 alsa_format);
350 *hpi_format = 0;
351 return -EINVAL;
352 }
353
354 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
355 struct snd_pcm_hardware *pcmhw)
356 {
357 u16 err;
358 u32 h_control;
359 u32 sample_rate;
360 int idx;
361 unsigned int rate_min = 200000;
362 unsigned int rate_max = 0;
363 unsigned int rates = 0;
364
365 if (asihpi->support_mrx) {
366 rates |= SNDRV_PCM_RATE_CONTINUOUS;
367 rates |= SNDRV_PCM_RATE_8000_96000;
368 rate_min = 8000;
369 rate_max = 100000;
370 } else {
371 /* on cards without SRC,
372 valid rates are determined by sampleclock */
373 err = hpi_mixer_get_control(asihpi->h_mixer,
374 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
375 HPI_CONTROL_SAMPLECLOCK, &h_control);
376 if (err) {
377 snd_printk(KERN_ERR
378 "No local sampleclock, err %d\n", err);
379 }
380
381 for (idx = -1; idx < 100; idx++) {
382 if (idx == -1) {
383 if (hpi_sample_clock_get_sample_rate(h_control,
384 &sample_rate))
385 continue;
386 } else if (hpi_sample_clock_query_local_rate(h_control,
387 idx, &sample_rate)) {
388 break;
389 }
390
391 rate_min = min(rate_min, sample_rate);
392 rate_max = max(rate_max, sample_rate);
393
394 switch (sample_rate) {
395 case 5512:
396 rates |= SNDRV_PCM_RATE_5512;
397 break;
398 case 8000:
399 rates |= SNDRV_PCM_RATE_8000;
400 break;
401 case 11025:
402 rates |= SNDRV_PCM_RATE_11025;
403 break;
404 case 16000:
405 rates |= SNDRV_PCM_RATE_16000;
406 break;
407 case 22050:
408 rates |= SNDRV_PCM_RATE_22050;
409 break;
410 case 32000:
411 rates |= SNDRV_PCM_RATE_32000;
412 break;
413 case 44100:
414 rates |= SNDRV_PCM_RATE_44100;
415 break;
416 case 48000:
417 rates |= SNDRV_PCM_RATE_48000;
418 break;
419 case 64000:
420 rates |= SNDRV_PCM_RATE_64000;
421 break;
422 case 88200:
423 rates |= SNDRV_PCM_RATE_88200;
424 break;
425 case 96000:
426 rates |= SNDRV_PCM_RATE_96000;
427 break;
428 case 176400:
429 rates |= SNDRV_PCM_RATE_176400;
430 break;
431 case 192000:
432 rates |= SNDRV_PCM_RATE_192000;
433 break;
434 default: /* some other rate */
435 rates |= SNDRV_PCM_RATE_KNOT;
436 }
437 }
438 }
439
440 pcmhw->rates = rates;
441 pcmhw->rate_min = rate_min;
442 pcmhw->rate_max = rate_max;
443 }
444
445 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
446 struct snd_pcm_hw_params *params)
447 {
448 struct snd_pcm_runtime *runtime = substream->runtime;
449 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
450 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
451 int err;
452 u16 format;
453 int width;
454 unsigned int bytes_per_sec;
455
456 print_hwparams(substream, params);
457 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
458 if (err < 0)
459 return err;
460 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
461 if (err)
462 return err;
463
464 hpi_handle_error(hpi_format_create(&dpcm->format,
465 params_channels(params),
466 format, params_rate(params), 0, 0));
467
468 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
469 if (hpi_instream_reset(dpcm->h_stream) != 0)
470 return -EINVAL;
471
472 if (hpi_instream_set_format(
473 dpcm->h_stream, &dpcm->format) != 0)
474 return -EINVAL;
475 }
476
477 dpcm->hpi_buffer_attached = 0;
478 if (card->can_dma) {
479 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
480 params_buffer_bytes(params), runtime->dma_addr);
481 if (err == 0) {
482 snd_printdd(
483 "stream_host_buffer_attach succeeded %u %lu\n",
484 params_buffer_bytes(params),
485 (unsigned long)runtime->dma_addr);
486 } else {
487 snd_printd("stream_host_buffer_attach error %d\n",
488 err);
489 return -ENOMEM;
490 }
491
492 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
493 &dpcm->hpi_buffer_attached,
494 NULL, NULL, NULL);
495
496 snd_printdd("stream_host_buffer_attach status 0x%x\n",
497 dpcm->hpi_buffer_attached);
498 }
499 bytes_per_sec = params_rate(params) * params_channels(params);
500 width = snd_pcm_format_width(params_format(params));
501 bytes_per_sec *= width;
502 bytes_per_sec /= 8;
503 if (width < 0 || bytes_per_sec == 0)
504 return -EINVAL;
505
506 dpcm->bytes_per_sec = bytes_per_sec;
507 dpcm->buffer_bytes = params_buffer_bytes(params);
508 dpcm->period_bytes = params_period_bytes(params);
509
510 return 0;
511 }
512
513 static int
514 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
515 {
516 struct snd_pcm_runtime *runtime = substream->runtime;
517 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
518 if (dpcm->hpi_buffer_attached)
519 hpi_stream_host_buffer_detach(dpcm->h_stream);
520
521 snd_pcm_lib_free_pages(substream);
522 return 0;
523 }
524
525 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
526 {
527 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
528 kfree(dpcm);
529 }
530
531 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
532 substream)
533 {
534 struct snd_pcm_runtime *runtime = substream->runtime;
535 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
536 int expiry;
537
538 expiry = HZ / 200;
539 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
540 expiry = max(expiry, 1); /* don't let it be zero! */
541 dpcm->timer.expires = jiffies + expiry;
542 dpcm->respawn_timer = 1;
543 add_timer(&dpcm->timer);
544 }
545
546 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
547 {
548 struct snd_pcm_runtime *runtime = substream->runtime;
549 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
550
551 dpcm->respawn_timer = 0;
552 del_timer(&dpcm->timer);
553 }
554
555 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
556 int cmd)
557 {
558 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
559 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
560 struct snd_pcm_substream *s;
561 u16 e;
562 char name[16];
563
564 snd_pcm_debug_name(substream, name, sizeof(name));
565 snd_printdd("%s trigger\n", name);
566
567 switch (cmd) {
568 case SNDRV_PCM_TRIGGER_START:
569 snd_pcm_group_for_each_entry(s, substream) {
570 struct snd_pcm_runtime *runtime = s->runtime;
571 struct snd_card_asihpi_pcm *ds = runtime->private_data;
572
573 if (snd_pcm_substream_chip(s) != card)
574 continue;
575
576 /* don't link Cap and Play */
577 if (substream->stream != s->stream)
578 continue;
579
580 ds->drained_count = 0;
581 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
582 /* How do I know how much valid data is present
583 * in buffer? Must be at least one period!
584 * Guessing 2 periods, but if
585 * buffer is bigger it may contain even more
586 * data??
587 */
588 unsigned int preload = ds->period_bytes * 1;
589 snd_printddd("%d preload x%x\n", s->number, preload);
590 hpi_handle_error(hpi_outstream_write_buf(
591 ds->h_stream,
592 &runtime->dma_area[0],
593 preload,
594 &ds->format));
595 ds->pcm_buf_host_rw_ofs = preload;
596 }
597
598 if (card->support_grouping) {
599 snd_printdd("%d group\n", s->number);
600 e = hpi_stream_group_add(
601 dpcm->h_stream,
602 ds->h_stream);
603 if (!e) {
604 snd_pcm_trigger_done(s, substream);
605 } else {
606 hpi_handle_error(e);
607 break;
608 }
609 } else
610 break;
611 }
612 snd_printdd("start\n");
613 /* start the master stream */
614 snd_card_asihpi_pcm_timer_start(substream);
615 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
616 !card->can_dma)
617 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
618 break;
619
620 case SNDRV_PCM_TRIGGER_STOP:
621 snd_card_asihpi_pcm_timer_stop(substream);
622 snd_pcm_group_for_each_entry(s, substream) {
623 if (snd_pcm_substream_chip(s) != card)
624 continue;
625 /* don't link Cap and Play */
626 if (substream->stream != s->stream)
627 continue;
628
629 /*? workaround linked streams don't
630 transition to SETUP 20070706*/
631 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
632
633 if (card->support_grouping) {
634 snd_printdd("%d group\n", s->number);
635 snd_pcm_trigger_done(s, substream);
636 } else
637 break;
638 }
639 snd_printdd("stop\n");
640
641 /* _prepare and _hwparams reset the stream */
642 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
643 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
644 hpi_handle_error(
645 hpi_outstream_reset(dpcm->h_stream));
646
647 if (card->support_grouping)
648 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
649 break;
650
651 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
652 snd_printdd("pause release\n");
653 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
654 snd_card_asihpi_pcm_timer_start(substream);
655 break;
656 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
657 snd_printdd("pause\n");
658 snd_card_asihpi_pcm_timer_stop(substream);
659 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
660 break;
661 default:
662 snd_printd(KERN_ERR "\tINVALID\n");
663 return -EINVAL;
664 }
665
666 return 0;
667 }
668
669 /*algorithm outline
670 Without linking degenerates to getting single stream pos etc
671 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
672 */
673 /*
674 pcm_buf_dma_ofs=get_buf_pos(s);
675 for_each_linked_stream(s) {
676 pcm_buf_dma_ofs=get_buf_pos(s);
677 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
678 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
679 }
680 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
681 for_each_linked_stream(s) {
682 s->pcm_buf_dma_ofs = min_buf_pos;
683 if (new_data > period_bytes) {
684 if (mmap) {
685 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
686 if (playback) {
687 write(period_bytes);
688 } else {
689 read(period_bytes);
690 }
691 }
692 snd_pcm_period_elapsed(s);
693 }
694 }
695 */
696
697 /** Minimum of 2 modulo values. Works correctly when the difference between
698 * the values is less than half the modulus
699 */
700 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
701 unsigned long int modulus)
702 {
703 unsigned int result;
704 if (((a-b) % modulus) < (modulus/2))
705 result = b;
706 else
707 result = a;
708
709 return result;
710 }
711
712 /** Timer function, equivalent to interrupt service routine for cards
713 */
714 static void snd_card_asihpi_timer_function(unsigned long data)
715 {
716 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
717 struct snd_pcm_substream *substream = dpcm->substream;
718 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
719 struct snd_pcm_runtime *runtime;
720 struct snd_pcm_substream *s;
721 unsigned int newdata = 0;
722 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
723 unsigned int remdata, xfercount, next_jiffies;
724 int first = 1;
725 int loops = 0;
726 u16 state;
727 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
728 char name[16];
729
730 snd_pcm_debug_name(substream, name, sizeof(name));
731
732 snd_printdd("%s snd_card_asihpi_timer_function\n", name);
733
734 /* find minimum newdata and buffer pos in group */
735 snd_pcm_group_for_each_entry(s, substream) {
736 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
737 runtime = s->runtime;
738
739 if (snd_pcm_substream_chip(s) != card)
740 continue;
741
742 /* don't link Cap and Play */
743 if (substream->stream != s->stream)
744 continue;
745
746 hpi_handle_error(hpi_stream_get_info_ex(
747 ds->h_stream, &state,
748 &buffer_size, &bytes_avail,
749 &samples_played, &on_card_bytes));
750
751 /* number of bytes in on-card buffer */
752 runtime->delay = on_card_bytes;
753
754 if (!card->can_dma)
755 on_card_bytes = bytes_avail;
756
757 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
758 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
759 if (state == HPI_STATE_STOPPED) {
760 if ((bytes_avail == 0) &&
761 (on_card_bytes < ds->pcm_buf_host_rw_ofs)) {
762 hpi_handle_error(hpi_stream_start(ds->h_stream));
763 snd_printdd("P%d start\n", s->number);
764 ds->drained_count = 0;
765 }
766 } else if (state == HPI_STATE_DRAINED) {
767 snd_printd(KERN_WARNING "P%d drained\n",
768 s->number);
769 ds->drained_count++;
770 if (ds->drained_count > 2) {
771 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
772 continue;
773 }
774 } else {
775 ds->drained_count = 0;
776 }
777 } else
778 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
779
780 if (first) {
781 /* can't statically init min when wrap is involved */
782 min_buf_pos = pcm_buf_dma_ofs;
783 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
784 first = 0;
785 } else {
786 min_buf_pos =
787 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
788 newdata = min(
789 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
790 newdata);
791 }
792
793 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
794 (unsigned long)frames_to_bytes(runtime,
795 runtime->status->hw_ptr),
796 (unsigned long)frames_to_bytes(runtime,
797 runtime->control->appl_ptr));
798
799 snd_printdd("%d S=%d, "
800 "rw=0x%04X, dma=0x%04X, left=0x%04X, "
801 "aux=0x%04X space=0x%04X\n",
802 s->number, state,
803 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
804 (int)bytes_avail,
805 (int)on_card_bytes, buffer_size-bytes_avail);
806 loops++;
807 }
808 pcm_buf_dma_ofs = min_buf_pos;
809
810 remdata = newdata % dpcm->period_bytes;
811 xfercount = newdata - remdata; /* a multiple of period_bytes */
812 /* come back when on_card_bytes has decreased enough to allow
813 write to happen, or when data has been consumed to make another
814 period
815 */
816 if (xfercount && (on_card_bytes > dpcm->period_bytes))
817 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
818 else
819 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
820
821 next_jiffies = max(next_jiffies, 1U);
822 dpcm->timer.expires = jiffies + next_jiffies;
823 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
824 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
825
826 snd_pcm_group_for_each_entry(s, substream) {
827 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
828
829 /* don't link Cap and Play */
830 if (substream->stream != s->stream)
831 continue;
832
833 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
834
835 if (xfercount &&
836 /* Limit use of on card fifo for playback */
837 ((on_card_bytes <= ds->period_bytes) ||
838 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
839
840 {
841
842 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
843 unsigned int xfer1, xfer2;
844 char *pd = &s->runtime->dma_area[buf_ofs];
845
846 if (card->can_dma) { /* buffer wrap is handled at lower level */
847 xfer1 = xfercount;
848 xfer2 = 0;
849 } else {
850 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
851 xfer2 = xfercount - xfer1;
852 }
853
854 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
855 snd_printddd("P%d write1 0x%04X 0x%04X\n",
856 s->number, xfer1, buf_ofs);
857 hpi_handle_error(
858 hpi_outstream_write_buf(
859 ds->h_stream, pd, xfer1,
860 &ds->format));
861
862 if (xfer2) {
863 pd = s->runtime->dma_area;
864
865 snd_printddd("P%d write2 0x%04X 0x%04X\n",
866 s->number,
867 xfercount - xfer1, buf_ofs);
868 hpi_handle_error(
869 hpi_outstream_write_buf(
870 ds->h_stream, pd,
871 xfercount - xfer1,
872 &ds->format));
873 }
874 } else {
875 snd_printddd("C%d read1 0x%04x\n",
876 s->number, xfer1);
877 hpi_handle_error(
878 hpi_instream_read_buf(
879 ds->h_stream,
880 pd, xfer1));
881 if (xfer2) {
882 pd = s->runtime->dma_area;
883 snd_printddd("C%d read2 0x%04x\n",
884 s->number, xfer2);
885 hpi_handle_error(
886 hpi_instream_read_buf(
887 ds->h_stream,
888 pd, xfer2));
889 }
890 }
891 ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount;
892 ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs;
893 snd_pcm_period_elapsed(s);
894 }
895 }
896
897 if (dpcm->respawn_timer)
898 add_timer(&dpcm->timer);
899 }
900
901 /***************************** PLAYBACK OPS ****************/
902 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
903 unsigned int cmd, void *arg)
904 {
905 snd_printddd(KERN_INFO "P%d ioctl %d\n", substream->number, cmd);
906 return snd_pcm_lib_ioctl(substream, cmd, arg);
907 }
908
909 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
910 substream)
911 {
912 struct snd_pcm_runtime *runtime = substream->runtime;
913 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
914
915 snd_printdd("P%d prepare\n", substream->number);
916
917 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
918 dpcm->pcm_buf_host_rw_ofs = 0;
919 dpcm->pcm_buf_dma_ofs = 0;
920 dpcm->pcm_buf_elapsed_dma_ofs = 0;
921 return 0;
922 }
923
924 static snd_pcm_uframes_t
925 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
926 {
927 struct snd_pcm_runtime *runtime = substream->runtime;
928 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
929 snd_pcm_uframes_t ptr;
930
931 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
932 snd_printddd("P%d pointer = 0x%04lx\n", substream->number, (unsigned long)ptr);
933 return ptr;
934 }
935
936 static void snd_card_asihpi_playback_format(struct snd_card_asihpi *asihpi,
937 u32 h_stream,
938 struct snd_pcm_hardware *pcmhw)
939 {
940 struct hpi_format hpi_format;
941 u16 format;
942 u16 err;
943 u32 h_control;
944 u32 sample_rate = 48000;
945
946 /* on cards without SRC, must query at valid rate,
947 * maybe set by external sync
948 */
949 err = hpi_mixer_get_control(asihpi->h_mixer,
950 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
951 HPI_CONTROL_SAMPLECLOCK, &h_control);
952
953 if (!err)
954 err = hpi_sample_clock_get_sample_rate(h_control,
955 &sample_rate);
956
957 for (format = HPI_FORMAT_PCM8_UNSIGNED;
958 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
959 err = hpi_format_create(&hpi_format,
960 2, format, sample_rate, 128000, 0);
961 if (!err)
962 err = hpi_outstream_query_format(h_stream,
963 &hpi_format);
964 if (!err && (hpi_to_alsa_formats[format] != -1))
965 pcmhw->formats |=
966 (1ULL << hpi_to_alsa_formats[format]);
967 }
968 }
969
970 static struct snd_pcm_hardware snd_card_asihpi_playback = {
971 .channels_min = 1,
972 .channels_max = 2,
973 .buffer_bytes_max = BUFFER_BYTES_MAX,
974 .period_bytes_min = PERIOD_BYTES_MIN,
975 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
976 .periods_min = PERIODS_MIN,
977 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
978 .fifo_size = 0,
979 };
980
981 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
982 {
983 struct snd_pcm_runtime *runtime = substream->runtime;
984 struct snd_card_asihpi_pcm *dpcm;
985 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
986 int err;
987
988 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
989 if (dpcm == NULL)
990 return -ENOMEM;
991
992 err =
993 hpi_outstream_open(card->adapter_index,
994 substream->number, &dpcm->h_stream);
995 hpi_handle_error(err);
996 if (err)
997 kfree(dpcm);
998 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
999 return -EBUSY;
1000 if (err)
1001 return -EIO;
1002
1003 /*? also check ASI5000 samplerate source
1004 If external, only support external rate.
1005 If internal and other stream playing, can't switch
1006 */
1007
1008 init_timer(&dpcm->timer);
1009 dpcm->timer.data = (unsigned long) dpcm;
1010 dpcm->timer.function = snd_card_asihpi_timer_function;
1011 dpcm->substream = substream;
1012 runtime->private_data = dpcm;
1013 runtime->private_free = snd_card_asihpi_runtime_free;
1014
1015 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1016 /*?snd_card_asihpi_playback.period_bytes_min =
1017 card->out_max_chans * 4096; */
1018
1019 snd_card_asihpi_playback_format(card, dpcm->h_stream,
1020 &snd_card_asihpi_playback);
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
1035 /* struct is copied, so can create initializer dynamically */
1036 runtime->hw = snd_card_asihpi_playback;
1037
1038 if (card->can_dma)
1039 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1040 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1041 if (err < 0)
1042 return err;
1043
1044 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1045 card->update_interval_frames);
1046
1047 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1048 card->update_interval_frames * 2, UINT_MAX);
1049
1050 snd_pcm_set_sync(substream);
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 void snd_card_asihpi_capture_format(struct snd_card_asihpi *asihpi,
1118 u32 h_stream,
1119 struct snd_pcm_hardware *pcmhw)
1120 {
1121 struct hpi_format hpi_format;
1122 u16 format;
1123 u16 err;
1124 u32 h_control;
1125 u32 sample_rate = 48000;
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, 2, format,
1141 sample_rate, 128000, 0);
1142 if (!err)
1143 err = hpi_instream_query_format(h_stream,
1144 &hpi_format);
1145 if (!err)
1146 pcmhw->formats |=
1147 (1ULL << hpi_to_alsa_formats[format]);
1148 }
1149 }
1150
1151
1152 static struct snd_pcm_hardware snd_card_asihpi_capture = {
1153 .channels_min = 1,
1154 .channels_max = 2,
1155 .buffer_bytes_max = BUFFER_BYTES_MAX,
1156 .period_bytes_min = PERIOD_BYTES_MIN,
1157 .period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN,
1158 .periods_min = PERIODS_MIN,
1159 .periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN,
1160 .fifo_size = 0,
1161 };
1162
1163 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1164 {
1165 struct snd_pcm_runtime *runtime = substream->runtime;
1166 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1167 struct snd_card_asihpi_pcm *dpcm;
1168 int err;
1169
1170 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1171 if (dpcm == NULL)
1172 return -ENOMEM;
1173
1174 snd_printdd("capture open adapter %d stream %d\n",
1175 card->adapter_index, substream->number);
1176
1177 err = hpi_handle_error(
1178 hpi_instream_open(card->adapter_index,
1179 substream->number, &dpcm->h_stream));
1180 if (err)
1181 kfree(dpcm);
1182 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1183 return -EBUSY;
1184 if (err)
1185 return -EIO;
1186
1187
1188 init_timer(&dpcm->timer);
1189 dpcm->timer.data = (unsigned long) dpcm;
1190 dpcm->timer.function = snd_card_asihpi_timer_function;
1191 dpcm->substream = substream;
1192 runtime->private_data = dpcm;
1193 runtime->private_free = snd_card_asihpi_runtime_free;
1194
1195 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1196 snd_card_asihpi_capture_format(card, dpcm->h_stream,
1197 &snd_card_asihpi_capture);
1198 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1199 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1200 SNDRV_PCM_INFO_MMAP |
1201 SNDRV_PCM_INFO_MMAP_VALID;
1202
1203 if (card->support_grouping)
1204 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1205
1206 runtime->hw = snd_card_asihpi_capture;
1207
1208 if (card->can_dma)
1209 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1210 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1211 if (err < 0)
1212 return err;
1213
1214 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1215 card->update_interval_frames);
1216 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1217 card->update_interval_frames * 2, UINT_MAX);
1218
1219 snd_pcm_set_sync(substream);
1220
1221 return 0;
1222 }
1223
1224 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1225 {
1226 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1227
1228 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1229 return 0;
1230 }
1231
1232 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1233 .open = snd_card_asihpi_capture_open,
1234 .close = snd_card_asihpi_capture_close,
1235 .ioctl = snd_card_asihpi_capture_ioctl,
1236 .hw_params = snd_card_asihpi_pcm_hw_params,
1237 .hw_free = snd_card_asihpi_hw_free,
1238 .prepare = snd_card_asihpi_capture_prepare,
1239 .trigger = snd_card_asihpi_trigger,
1240 .pointer = snd_card_asihpi_capture_pointer,
1241 };
1242
1243 static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi,
1244 int device, int substreams)
1245 {
1246 struct snd_pcm *pcm;
1247 int err;
1248
1249 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1250 asihpi->num_outstreams, asihpi->num_instreams,
1251 &pcm);
1252 if (err < 0)
1253 return err;
1254 /* pointer to ops struct is stored, dont change ops afterwards! */
1255 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1256 &snd_card_asihpi_playback_mmap_ops);
1257 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1258 &snd_card_asihpi_capture_mmap_ops);
1259
1260 pcm->private_data = asihpi;
1261 pcm->info_flags = 0;
1262 strcpy(pcm->name, "Asihpi PCM");
1263
1264 /*? do we want to emulate MMAP for non-BBM cards?
1265 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1266 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1267 snd_dma_pci_data(asihpi->pci),
1268 64*1024, BUFFER_BYTES_MAX);
1269
1270 return 0;
1271 }
1272
1273 /***************************** MIXER CONTROLS ****************/
1274 struct hpi_control {
1275 u32 h_control;
1276 u16 control_type;
1277 u16 src_node_type;
1278 u16 src_node_index;
1279 u16 dst_node_type;
1280 u16 dst_node_index;
1281 u16 band;
1282 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1283 };
1284
1285 static const char * const asihpi_tuner_band_names[] = {
1286 "invalid",
1287 "AM",
1288 "FM mono",
1289 "TV NTSC-M",
1290 "FM stereo",
1291 "AUX",
1292 "TV PAL BG",
1293 "TV PAL I",
1294 "TV PAL DK",
1295 "TV SECAM",
1296 };
1297
1298 compile_time_assert(
1299 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1300 (HPI_TUNER_BAND_LAST+1)),
1301 assert_tuner_band_names_size);
1302
1303 static const char * const asihpi_src_names[] = {
1304 "no source",
1305 "PCM",
1306 "Line",
1307 "Digital",
1308 "Tuner",
1309 "RF",
1310 "Clock",
1311 "Bitstream",
1312 "Mic",
1313 "Net",
1314 "Analog",
1315 "Adapter",
1316 "RTP",
1317 "GPI",
1318 };
1319
1320 compile_time_assert(
1321 (ARRAY_SIZE(asihpi_src_names) ==
1322 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1323 assert_src_names_size);
1324
1325 static const char * const asihpi_dst_names[] = {
1326 "no destination",
1327 "PCM",
1328 "Line",
1329 "Digital",
1330 "RF",
1331 "Speaker",
1332 "Net",
1333 "Analog",
1334 "RTP",
1335 "GPO",
1336 };
1337
1338 compile_time_assert(
1339 (ARRAY_SIZE(asihpi_dst_names) ==
1340 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1341 assert_dst_names_size);
1342
1343 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1344 struct snd_card_asihpi *asihpi)
1345 {
1346 int err;
1347
1348 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1349 if (err < 0)
1350 return err;
1351 else if (mixer_dump)
1352 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1353
1354 return 0;
1355 }
1356
1357 /* Convert HPI control name and location into ALSA control name */
1358 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1359 struct hpi_control *hpi_ctl,
1360 char *name)
1361 {
1362 char *dir;
1363 memset(snd_control, 0, sizeof(*snd_control));
1364 snd_control->name = hpi_ctl->name;
1365 snd_control->private_value = hpi_ctl->h_control;
1366 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1367 snd_control->index = 0;
1368
1369 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1370 dir = ""; /* clock is neither capture nor playback */
1371 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1372 dir = "Capture "; /* On or towards a PCM capture destination*/
1373 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1374 (!hpi_ctl->dst_node_type))
1375 dir = "Capture "; /* On a source node that is not PCM playback */
1376 else if (hpi_ctl->src_node_type &&
1377 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1378 (hpi_ctl->dst_node_type))
1379 dir = "Monitor Playback "; /* Between an input and an output */
1380 else
1381 dir = "Playback "; /* PCM Playback source, or output node */
1382
1383 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1384 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1385 asihpi_src_names[hpi_ctl->src_node_type],
1386 hpi_ctl->src_node_index,
1387 asihpi_dst_names[hpi_ctl->dst_node_type],
1388 hpi_ctl->dst_node_index,
1389 dir, name);
1390 else if (hpi_ctl->dst_node_type) {
1391 sprintf(hpi_ctl->name, "%s %d %s%s",
1392 asihpi_dst_names[hpi_ctl->dst_node_type],
1393 hpi_ctl->dst_node_index,
1394 dir, name);
1395 } else {
1396 sprintf(hpi_ctl->name, "%s %d %s%s",
1397 asihpi_src_names[hpi_ctl->src_node_type],
1398 hpi_ctl->src_node_index,
1399 dir, name);
1400 }
1401 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1402 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1403 }
1404
1405 /*------------------------------------------------------------
1406 Volume controls
1407 ------------------------------------------------------------*/
1408 #define VOL_STEP_mB 1
1409 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1410 struct snd_ctl_elem_info *uinfo)
1411 {
1412 u32 h_control = kcontrol->private_value;
1413 u16 err;
1414 /* native gains are in millibels */
1415 short min_gain_mB;
1416 short max_gain_mB;
1417 short step_gain_mB;
1418
1419 err = hpi_volume_query_range(h_control,
1420 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1421 if (err) {
1422 max_gain_mB = 0;
1423 min_gain_mB = -10000;
1424 step_gain_mB = VOL_STEP_mB;
1425 }
1426
1427 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1428 uinfo->count = 2;
1429 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1430 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1431 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1432 return 0;
1433 }
1434
1435 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1436 struct snd_ctl_elem_value *ucontrol)
1437 {
1438 u32 h_control = kcontrol->private_value;
1439 short an_gain_mB[HPI_MAX_CHANNELS];
1440
1441 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1442 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1443 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1444
1445 return 0;
1446 }
1447
1448 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1449 struct snd_ctl_elem_value *ucontrol)
1450 {
1451 int change;
1452 u32 h_control = kcontrol->private_value;
1453 short an_gain_mB[HPI_MAX_CHANNELS];
1454
1455 an_gain_mB[0] =
1456 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1457 an_gain_mB[1] =
1458 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1459 /* change = asihpi->mixer_volume[addr][0] != left ||
1460 asihpi->mixer_volume[addr][1] != right;
1461 */
1462 change = 1;
1463 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1464 return change;
1465 }
1466
1467 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1468
1469 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1470
1471 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1472 struct snd_ctl_elem_value *ucontrol)
1473 {
1474 u32 h_control = kcontrol->private_value;
1475 u32 mute;
1476
1477 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1478 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1479
1480 return 0;
1481 }
1482
1483 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1484 struct snd_ctl_elem_value *ucontrol)
1485 {
1486 u32 h_control = kcontrol->private_value;
1487 int change = 1;
1488 /* HPI currently only supports all or none muting of multichannel volume
1489 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1490 */
1491 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1492 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1493 return change;
1494 }
1495
1496 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1497 struct hpi_control *hpi_ctl)
1498 {
1499 struct snd_card *card = asihpi->card;
1500 struct snd_kcontrol_new snd_control;
1501 int err;
1502 u32 mute;
1503
1504 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1505 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1506 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1507 snd_control.info = snd_asihpi_volume_info;
1508 snd_control.get = snd_asihpi_volume_get;
1509 snd_control.put = snd_asihpi_volume_put;
1510 snd_control.tlv.p = db_scale_100;
1511
1512 err = ctl_add(card, &snd_control, asihpi);
1513 if (err)
1514 return err;
1515
1516 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1517 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1518 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1519 snd_control.info = snd_asihpi_volume_mute_info;
1520 snd_control.get = snd_asihpi_volume_mute_get;
1521 snd_control.put = snd_asihpi_volume_mute_put;
1522 err = ctl_add(card, &snd_control, asihpi);
1523 }
1524 return err;
1525 }
1526
1527 /*------------------------------------------------------------
1528 Level controls
1529 ------------------------------------------------------------*/
1530 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1531 struct snd_ctl_elem_info *uinfo)
1532 {
1533 u32 h_control = kcontrol->private_value;
1534 u16 err;
1535 short min_gain_mB;
1536 short max_gain_mB;
1537 short step_gain_mB;
1538
1539 err =
1540 hpi_level_query_range(h_control, &min_gain_mB,
1541 &max_gain_mB, &step_gain_mB);
1542 if (err) {
1543 max_gain_mB = 2400;
1544 min_gain_mB = -1000;
1545 step_gain_mB = 100;
1546 }
1547
1548 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1549 uinfo->count = 2;
1550 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1551 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1552 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1553 return 0;
1554 }
1555
1556 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1557 struct snd_ctl_elem_value *ucontrol)
1558 {
1559 u32 h_control = kcontrol->private_value;
1560 short an_gain_mB[HPI_MAX_CHANNELS];
1561
1562 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1563 ucontrol->value.integer.value[0] =
1564 an_gain_mB[0] / HPI_UNITS_PER_dB;
1565 ucontrol->value.integer.value[1] =
1566 an_gain_mB[1] / HPI_UNITS_PER_dB;
1567
1568 return 0;
1569 }
1570
1571 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1572 struct snd_ctl_elem_value *ucontrol)
1573 {
1574 int change;
1575 u32 h_control = kcontrol->private_value;
1576 short an_gain_mB[HPI_MAX_CHANNELS];
1577
1578 an_gain_mB[0] =
1579 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1580 an_gain_mB[1] =
1581 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1582 /* change = asihpi->mixer_level[addr][0] != left ||
1583 asihpi->mixer_level[addr][1] != right;
1584 */
1585 change = 1;
1586 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1587 return change;
1588 }
1589
1590 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1591
1592 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1593 struct hpi_control *hpi_ctl)
1594 {
1595 struct snd_card *card = asihpi->card;
1596 struct snd_kcontrol_new snd_control;
1597
1598 /* can't use 'volume' cos some nodes have volume as well */
1599 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1600 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1601 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1602 snd_control.info = snd_asihpi_level_info;
1603 snd_control.get = snd_asihpi_level_get;
1604 snd_control.put = snd_asihpi_level_put;
1605 snd_control.tlv.p = db_scale_level;
1606
1607 return ctl_add(card, &snd_control, asihpi);
1608 }
1609
1610 /*------------------------------------------------------------
1611 AESEBU controls
1612 ------------------------------------------------------------*/
1613
1614 /* AESEBU format */
1615 static const char * const asihpi_aesebu_format_names[] = {
1616 "N/A", "S/PDIF", "AES/EBU" };
1617
1618 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1619 struct snd_ctl_elem_info *uinfo)
1620 {
1621 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1622 uinfo->count = 1;
1623 uinfo->value.enumerated.items = 3;
1624
1625 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1626 uinfo->value.enumerated.item =
1627 uinfo->value.enumerated.items - 1;
1628
1629 strcpy(uinfo->value.enumerated.name,
1630 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1631
1632 return 0;
1633 }
1634
1635 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1636 struct snd_ctl_elem_value *ucontrol,
1637 u16 (*func)(u32, u16 *))
1638 {
1639 u32 h_control = kcontrol->private_value;
1640 u16 source, err;
1641
1642 err = func(h_control, &source);
1643
1644 /* default to N/A */
1645 ucontrol->value.enumerated.item[0] = 0;
1646 /* return success but set the control to N/A */
1647 if (err)
1648 return 0;
1649 if (source == HPI_AESEBU_FORMAT_SPDIF)
1650 ucontrol->value.enumerated.item[0] = 1;
1651 if (source == HPI_AESEBU_FORMAT_AESEBU)
1652 ucontrol->value.enumerated.item[0] = 2;
1653
1654 return 0;
1655 }
1656
1657 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1658 struct snd_ctl_elem_value *ucontrol,
1659 u16 (*func)(u32, u16))
1660 {
1661 u32 h_control = kcontrol->private_value;
1662
1663 /* default to S/PDIF */
1664 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1665
1666 if (ucontrol->value.enumerated.item[0] == 1)
1667 source = HPI_AESEBU_FORMAT_SPDIF;
1668 if (ucontrol->value.enumerated.item[0] == 2)
1669 source = HPI_AESEBU_FORMAT_AESEBU;
1670
1671 if (func(h_control, source) != 0)
1672 return -EINVAL;
1673
1674 return 1;
1675 }
1676
1677 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1678 struct snd_ctl_elem_value *ucontrol) {
1679 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1680 hpi_aesebu_receiver_get_format);
1681 }
1682
1683 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1684 struct snd_ctl_elem_value *ucontrol) {
1685 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1686 hpi_aesebu_receiver_set_format);
1687 }
1688
1689 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1690 struct snd_ctl_elem_info *uinfo)
1691 {
1692 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1693 uinfo->count = 1;
1694
1695 uinfo->value.integer.min = 0;
1696 uinfo->value.integer.max = 0X1F;
1697 uinfo->value.integer.step = 1;
1698
1699 return 0;
1700 }
1701
1702 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1703 struct snd_ctl_elem_value *ucontrol) {
1704
1705 u32 h_control = kcontrol->private_value;
1706 u16 status;
1707
1708 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1709 h_control, &status));
1710 ucontrol->value.integer.value[0] = status;
1711 return 0;
1712 }
1713
1714 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1715 struct hpi_control *hpi_ctl)
1716 {
1717 struct snd_card *card = asihpi->card;
1718 struct snd_kcontrol_new snd_control;
1719
1720 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1721 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1722 snd_control.info = snd_asihpi_aesebu_format_info;
1723 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1724 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1725
1726
1727 if (ctl_add(card, &snd_control, asihpi) < 0)
1728 return -EINVAL;
1729
1730 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1731 snd_control.access =
1732 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1733 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1734 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1735
1736 return ctl_add(card, &snd_control, asihpi);
1737 }
1738
1739 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1740 struct snd_ctl_elem_value *ucontrol) {
1741 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1742 hpi_aesebu_transmitter_get_format);
1743 }
1744
1745 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1746 struct snd_ctl_elem_value *ucontrol) {
1747 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1748 hpi_aesebu_transmitter_set_format);
1749 }
1750
1751
1752 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1753 struct hpi_control *hpi_ctl)
1754 {
1755 struct snd_card *card = asihpi->card;
1756 struct snd_kcontrol_new snd_control;
1757
1758 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1759 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1760 snd_control.info = snd_asihpi_aesebu_format_info;
1761 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1762 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1763
1764 return ctl_add(card, &snd_control, asihpi);
1765 }
1766
1767 /*------------------------------------------------------------
1768 Tuner controls
1769 ------------------------------------------------------------*/
1770
1771 /* Gain */
1772
1773 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1774 struct snd_ctl_elem_info *uinfo)
1775 {
1776 u32 h_control = kcontrol->private_value;
1777 u16 err;
1778 short idx;
1779 u16 gain_range[3];
1780
1781 for (idx = 0; idx < 3; idx++) {
1782 err = hpi_tuner_query_gain(h_control,
1783 idx, &gain_range[idx]);
1784 if (err != 0)
1785 return err;
1786 }
1787
1788 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1789 uinfo->count = 1;
1790 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1791 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1792 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1793 return 0;
1794 }
1795
1796 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1797 struct snd_ctl_elem_value *ucontrol)
1798 {
1799 /*
1800 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1801 */
1802 u32 h_control = kcontrol->private_value;
1803 short gain;
1804
1805 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1806 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1807
1808 return 0;
1809 }
1810
1811 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1812 struct snd_ctl_elem_value *ucontrol)
1813 {
1814 /*
1815 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1816 */
1817 u32 h_control = kcontrol->private_value;
1818 short gain;
1819
1820 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1821 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1822
1823 return 1;
1824 }
1825
1826 /* Band */
1827
1828 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1829 u16 *band_list, u32 len) {
1830 u32 h_control = kcontrol->private_value;
1831 u16 err = 0;
1832 u32 i;
1833
1834 for (i = 0; i < len; i++) {
1835 err = hpi_tuner_query_band(
1836 h_control, i, &band_list[i]);
1837 if (err != 0)
1838 break;
1839 }
1840
1841 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1842 return -EIO;
1843
1844 return i;
1845 }
1846
1847 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1848 struct snd_ctl_elem_info *uinfo)
1849 {
1850 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1851 int num_bands = 0;
1852
1853 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1854 HPI_TUNER_BAND_LAST);
1855
1856 if (num_bands < 0)
1857 return num_bands;
1858
1859 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1860 uinfo->count = 1;
1861 uinfo->value.enumerated.items = num_bands;
1862
1863 if (num_bands > 0) {
1864 if (uinfo->value.enumerated.item >=
1865 uinfo->value.enumerated.items)
1866 uinfo->value.enumerated.item =
1867 uinfo->value.enumerated.items - 1;
1868
1869 strcpy(uinfo->value.enumerated.name,
1870 asihpi_tuner_band_names[
1871 tuner_bands[uinfo->value.enumerated.item]]);
1872
1873 }
1874 return 0;
1875 }
1876
1877 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1878 struct snd_ctl_elem_value *ucontrol)
1879 {
1880 u32 h_control = kcontrol->private_value;
1881 /*
1882 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1883 */
1884 u16 band, idx;
1885 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1886 u32 num_bands = 0;
1887
1888 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1889 HPI_TUNER_BAND_LAST);
1890
1891 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1892
1893 ucontrol->value.enumerated.item[0] = -1;
1894 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1895 if (tuner_bands[idx] == band) {
1896 ucontrol->value.enumerated.item[0] = idx;
1897 break;
1898 }
1899
1900 return 0;
1901 }
1902
1903 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1904 struct snd_ctl_elem_value *ucontrol)
1905 {
1906 /*
1907 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1908 */
1909 u32 h_control = kcontrol->private_value;
1910 u16 band;
1911 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1912 u32 num_bands = 0;
1913
1914 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1915 HPI_TUNER_BAND_LAST);
1916
1917 band = tuner_bands[ucontrol->value.enumerated.item[0]];
1918 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1919
1920 return 1;
1921 }
1922
1923 /* Freq */
1924
1925 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1926 struct snd_ctl_elem_info *uinfo)
1927 {
1928 u32 h_control = kcontrol->private_value;
1929 u16 err;
1930 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1931 u16 num_bands = 0, band_iter, idx;
1932 u32 freq_range[3], temp_freq_range[3];
1933
1934 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1935 HPI_TUNER_BAND_LAST);
1936
1937 freq_range[0] = INT_MAX;
1938 freq_range[1] = 0;
1939 freq_range[2] = INT_MAX;
1940
1941 for (band_iter = 0; band_iter < num_bands; band_iter++) {
1942 for (idx = 0; idx < 3; idx++) {
1943 err = hpi_tuner_query_frequency(h_control,
1944 idx, tuner_bands[band_iter],
1945 &temp_freq_range[idx]);
1946 if (err != 0)
1947 return err;
1948 }
1949
1950 /* skip band with bogus stepping */
1951 if (temp_freq_range[2] <= 0)
1952 continue;
1953
1954 if (temp_freq_range[0] < freq_range[0])
1955 freq_range[0] = temp_freq_range[0];
1956 if (temp_freq_range[1] > freq_range[1])
1957 freq_range[1] = temp_freq_range[1];
1958 if (temp_freq_range[2] < freq_range[2])
1959 freq_range[2] = temp_freq_range[2];
1960 }
1961
1962 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1963 uinfo->count = 1;
1964 uinfo->value.integer.min = ((int)freq_range[0]);
1965 uinfo->value.integer.max = ((int)freq_range[1]);
1966 uinfo->value.integer.step = ((int)freq_range[2]);
1967 return 0;
1968 }
1969
1970 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1971 struct snd_ctl_elem_value *ucontrol)
1972 {
1973 u32 h_control = kcontrol->private_value;
1974 u32 freq;
1975
1976 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1977 ucontrol->value.integer.value[0] = freq;
1978
1979 return 0;
1980 }
1981
1982 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1983 struct snd_ctl_elem_value *ucontrol)
1984 {
1985 u32 h_control = kcontrol->private_value;
1986 u32 freq;
1987
1988 freq = ucontrol->value.integer.value[0];
1989 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1990
1991 return 1;
1992 }
1993
1994 /* Tuner control group initializer */
1995 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
1996 struct hpi_control *hpi_ctl)
1997 {
1998 struct snd_card *card = asihpi->card;
1999 struct snd_kcontrol_new snd_control;
2000
2001 snd_control.private_value = hpi_ctl->h_control;
2002 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2003
2004 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2005 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2006 snd_control.info = snd_asihpi_tuner_gain_info;
2007 snd_control.get = snd_asihpi_tuner_gain_get;
2008 snd_control.put = snd_asihpi_tuner_gain_put;
2009
2010 if (ctl_add(card, &snd_control, asihpi) < 0)
2011 return -EINVAL;
2012 }
2013
2014 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2015 snd_control.info = snd_asihpi_tuner_band_info;
2016 snd_control.get = snd_asihpi_tuner_band_get;
2017 snd_control.put = snd_asihpi_tuner_band_put;
2018
2019 if (ctl_add(card, &snd_control, asihpi) < 0)
2020 return -EINVAL;
2021
2022 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2023 snd_control.info = snd_asihpi_tuner_freq_info;
2024 snd_control.get = snd_asihpi_tuner_freq_get;
2025 snd_control.put = snd_asihpi_tuner_freq_put;
2026
2027 return ctl_add(card, &snd_control, asihpi);
2028 }
2029
2030 /*------------------------------------------------------------
2031 Meter controls
2032 ------------------------------------------------------------*/
2033 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2034 struct snd_ctl_elem_info *uinfo)
2035 {
2036 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2037 uinfo->count = HPI_MAX_CHANNELS;
2038 uinfo->value.integer.min = 0;
2039 uinfo->value.integer.max = 0x7FFFFFFF;
2040 return 0;
2041 }
2042
2043 /* linear values for 10dB steps */
2044 static int log2lin[] = {
2045 0x7FFFFFFF, /* 0dB */
2046 679093956,
2047 214748365,
2048 67909396,
2049 21474837,
2050 6790940,
2051 2147484, /* -60dB */
2052 679094,
2053 214748, /* -80 */
2054 67909,
2055 21475, /* -100 */
2056 6791,
2057 2147,
2058 679,
2059 214,
2060 68,
2061 21,
2062 7,
2063 2
2064 };
2065
2066 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2067 struct snd_ctl_elem_value *ucontrol)
2068 {
2069 u32 h_control = kcontrol->private_value;
2070 short an_gain_mB[HPI_MAX_CHANNELS], i;
2071 u16 err;
2072
2073 err = hpi_meter_get_peak(h_control, an_gain_mB);
2074
2075 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2076 if (err) {
2077 ucontrol->value.integer.value[i] = 0;
2078 } else if (an_gain_mB[i] >= 0) {
2079 ucontrol->value.integer.value[i] =
2080 an_gain_mB[i] << 16;
2081 } else {
2082 /* -ve is log value in millibels < -60dB,
2083 * convert to (roughly!) linear,
2084 */
2085 ucontrol->value.integer.value[i] =
2086 log2lin[an_gain_mB[i] / -1000];
2087 }
2088 }
2089 return 0;
2090 }
2091
2092 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2093 struct hpi_control *hpi_ctl, int subidx)
2094 {
2095 struct snd_card *card = asihpi->card;
2096 struct snd_kcontrol_new snd_control;
2097
2098 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2099 snd_control.access =
2100 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2101 snd_control.info = snd_asihpi_meter_info;
2102 snd_control.get = snd_asihpi_meter_get;
2103
2104 snd_control.index = subidx;
2105
2106 return ctl_add(card, &snd_control, asihpi);
2107 }
2108
2109 /*------------------------------------------------------------
2110 Multiplexer controls
2111 ------------------------------------------------------------*/
2112 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2113 {
2114 u32 h_control = snd_control->private_value;
2115 struct hpi_control hpi_ctl;
2116 int s, err;
2117 for (s = 0; s < 32; s++) {
2118 err = hpi_multiplexer_query_source(h_control, s,
2119 &hpi_ctl.
2120 src_node_type,
2121 &hpi_ctl.
2122 src_node_index);
2123 if (err)
2124 break;
2125 }
2126 return s;
2127 }
2128
2129 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2130 struct snd_ctl_elem_info *uinfo)
2131 {
2132 int err;
2133 u16 src_node_type, src_node_index;
2134 u32 h_control = kcontrol->private_value;
2135
2136 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2137 uinfo->count = 1;
2138 uinfo->value.enumerated.items =
2139 snd_card_asihpi_mux_count_sources(kcontrol);
2140
2141 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2142 uinfo->value.enumerated.item =
2143 uinfo->value.enumerated.items - 1;
2144
2145 err =
2146 hpi_multiplexer_query_source(h_control,
2147 uinfo->value.enumerated.item,
2148 &src_node_type, &src_node_index);
2149
2150 sprintf(uinfo->value.enumerated.name, "%s %d",
2151 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2152 src_node_index);
2153 return 0;
2154 }
2155
2156 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2157 struct snd_ctl_elem_value *ucontrol)
2158 {
2159 u32 h_control = kcontrol->private_value;
2160 u16 source_type, source_index;
2161 u16 src_node_type, src_node_index;
2162 int s;
2163
2164 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2165 &source_type, &source_index));
2166 /* Should cache this search result! */
2167 for (s = 0; s < 256; s++) {
2168 if (hpi_multiplexer_query_source(h_control, s,
2169 &src_node_type, &src_node_index))
2170 break;
2171
2172 if ((source_type == src_node_type)
2173 && (source_index == src_node_index)) {
2174 ucontrol->value.enumerated.item[0] = s;
2175 return 0;
2176 }
2177 }
2178 snd_printd(KERN_WARNING
2179 "Control %x failed to match mux source %hu %hu\n",
2180 h_control, source_type, source_index);
2181 ucontrol->value.enumerated.item[0] = 0;
2182 return 0;
2183 }
2184
2185 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2186 struct snd_ctl_elem_value *ucontrol)
2187 {
2188 int change;
2189 u32 h_control = kcontrol->private_value;
2190 u16 source_type, source_index;
2191 u16 e;
2192
2193 change = 1;
2194
2195 e = hpi_multiplexer_query_source(h_control,
2196 ucontrol->value.enumerated.item[0],
2197 &source_type, &source_index);
2198 if (!e)
2199 hpi_handle_error(
2200 hpi_multiplexer_set_source(h_control,
2201 source_type, source_index));
2202 return change;
2203 }
2204
2205
2206 static int __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2207 struct hpi_control *hpi_ctl)
2208 {
2209 struct snd_card *card = asihpi->card;
2210 struct snd_kcontrol_new snd_control;
2211
2212 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2213 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2214 snd_control.info = snd_asihpi_mux_info;
2215 snd_control.get = snd_asihpi_mux_get;
2216 snd_control.put = snd_asihpi_mux_put;
2217
2218 return ctl_add(card, &snd_control, asihpi);
2219
2220 }
2221
2222 /*------------------------------------------------------------
2223 Channel mode controls
2224 ------------------------------------------------------------*/
2225 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2226 struct snd_ctl_elem_info *uinfo)
2227 {
2228 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2229 "invalid",
2230 "Normal", "Swap",
2231 "From Left", "From Right",
2232 "To Left", "To Right"
2233 };
2234
2235 u32 h_control = kcontrol->private_value;
2236 u16 mode;
2237 int i;
2238 u16 mode_map[6];
2239 int valid_modes = 0;
2240
2241 /* HPI channel mode values can be from 1 to 6
2242 Some adapters only support a contiguous subset
2243 */
2244 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2245 if (!hpi_channel_mode_query_mode(
2246 h_control, i, &mode)) {
2247 mode_map[valid_modes] = mode;
2248 valid_modes++;
2249 }
2250
2251 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2252 uinfo->count = 1;
2253 uinfo->value.enumerated.items = valid_modes;
2254
2255 if (uinfo->value.enumerated.item >= valid_modes)
2256 uinfo->value.enumerated.item = valid_modes - 1;
2257
2258 strcpy(uinfo->value.enumerated.name,
2259 mode_names[mode_map[uinfo->value.enumerated.item]]);
2260
2261 return 0;
2262 }
2263
2264 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2265 struct snd_ctl_elem_value *ucontrol)
2266 {
2267 u32 h_control = kcontrol->private_value;
2268 u16 mode;
2269
2270 if (hpi_channel_mode_get(h_control, &mode))
2271 mode = 1;
2272
2273 ucontrol->value.enumerated.item[0] = mode - 1;
2274
2275 return 0;
2276 }
2277
2278 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2279 struct snd_ctl_elem_value *ucontrol)
2280 {
2281 int change;
2282 u32 h_control = kcontrol->private_value;
2283
2284 change = 1;
2285
2286 hpi_handle_error(hpi_channel_mode_set(h_control,
2287 ucontrol->value.enumerated.item[0] + 1));
2288 return change;
2289 }
2290
2291
2292 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2293 struct hpi_control *hpi_ctl)
2294 {
2295 struct snd_card *card = asihpi->card;
2296 struct snd_kcontrol_new snd_control;
2297
2298 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2299 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2300 snd_control.info = snd_asihpi_cmode_info;
2301 snd_control.get = snd_asihpi_cmode_get;
2302 snd_control.put = snd_asihpi_cmode_put;
2303
2304 return ctl_add(card, &snd_control, asihpi);
2305 }
2306
2307 /*------------------------------------------------------------
2308 Sampleclock source controls
2309 ------------------------------------------------------------*/
2310 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2311 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2312 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2313 "Prev Module",
2314 "Digital2", "Digital3", "Digital4", "Digital5",
2315 "Digital6", "Digital7", "Digital8"};
2316
2317 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2318 struct snd_ctl_elem_info *uinfo)
2319 {
2320 struct snd_card_asihpi *asihpi =
2321 (struct snd_card_asihpi *)(kcontrol->private_data);
2322 struct clk_cache *clkcache = &asihpi->cc;
2323 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2324 uinfo->count = 1;
2325 uinfo->value.enumerated.items = clkcache->count;
2326
2327 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2328 uinfo->value.enumerated.item =
2329 uinfo->value.enumerated.items - 1;
2330
2331 strcpy(uinfo->value.enumerated.name,
2332 clkcache->s[uinfo->value.enumerated.item].name);
2333 return 0;
2334 }
2335
2336 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2337 struct snd_ctl_elem_value *ucontrol)
2338 {
2339 struct snd_card_asihpi *asihpi =
2340 (struct snd_card_asihpi *)(kcontrol->private_data);
2341 struct clk_cache *clkcache = &asihpi->cc;
2342 u32 h_control = kcontrol->private_value;
2343 u16 source, srcindex = 0;
2344 int i;
2345
2346 ucontrol->value.enumerated.item[0] = 0;
2347 if (hpi_sample_clock_get_source(h_control, &source))
2348 source = 0;
2349
2350 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2351 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2352 srcindex = 0;
2353
2354 for (i = 0; i < clkcache->count; i++)
2355 if ((clkcache->s[i].source == source) &&
2356 (clkcache->s[i].index == srcindex))
2357 break;
2358
2359 ucontrol->value.enumerated.item[0] = i;
2360
2361 return 0;
2362 }
2363
2364 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2365 struct snd_ctl_elem_value *ucontrol)
2366 {
2367 struct snd_card_asihpi *asihpi =
2368 (struct snd_card_asihpi *)(kcontrol->private_data);
2369 struct clk_cache *clkcache = &asihpi->cc;
2370 int change, item;
2371 u32 h_control = kcontrol->private_value;
2372
2373 change = 1;
2374 item = ucontrol->value.enumerated.item[0];
2375 if (item >= clkcache->count)
2376 item = clkcache->count-1;
2377
2378 hpi_handle_error(hpi_sample_clock_set_source(
2379 h_control, clkcache->s[item].source));
2380
2381 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2382 hpi_handle_error(hpi_sample_clock_set_source_index(
2383 h_control, clkcache->s[item].index));
2384 return change;
2385 }
2386
2387 /*------------------------------------------------------------
2388 Clkrate controls
2389 ------------------------------------------------------------*/
2390 /* Need to change this to enumerated control with list of rates */
2391 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2392 struct snd_ctl_elem_info *uinfo)
2393 {
2394 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2395 uinfo->count = 1;
2396 uinfo->value.integer.min = 8000;
2397 uinfo->value.integer.max = 192000;
2398 uinfo->value.integer.step = 100;
2399
2400 return 0;
2401 }
2402
2403 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2404 struct snd_ctl_elem_value *ucontrol)
2405 {
2406 u32 h_control = kcontrol->private_value;
2407 u32 rate;
2408 u16 e;
2409
2410 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2411 if (!e)
2412 ucontrol->value.integer.value[0] = rate;
2413 else
2414 ucontrol->value.integer.value[0] = 0;
2415 return 0;
2416 }
2417
2418 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2419 struct snd_ctl_elem_value *ucontrol)
2420 {
2421 int change;
2422 u32 h_control = kcontrol->private_value;
2423
2424 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2425 asihpi->mixer_clkrate[addr][1] != right;
2426 */
2427 change = 1;
2428 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2429 ucontrol->value.integer.value[0]));
2430 return change;
2431 }
2432
2433 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2434 struct snd_ctl_elem_info *uinfo)
2435 {
2436 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2437 uinfo->count = 1;
2438 uinfo->value.integer.min = 8000;
2439 uinfo->value.integer.max = 192000;
2440 uinfo->value.integer.step = 100;
2441
2442 return 0;
2443 }
2444
2445 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2446 struct snd_ctl_elem_value *ucontrol)
2447 {
2448 u32 h_control = kcontrol->private_value;
2449 u32 rate;
2450 u16 e;
2451
2452 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2453 if (!e)
2454 ucontrol->value.integer.value[0] = rate;
2455 else
2456 ucontrol->value.integer.value[0] = 0;
2457 return 0;
2458 }
2459
2460 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2461 struct hpi_control *hpi_ctl)
2462 {
2463 struct snd_card *card = asihpi->card;
2464 struct snd_kcontrol_new snd_control;
2465
2466 struct clk_cache *clkcache = &asihpi->cc;
2467 u32 hSC = hpi_ctl->h_control;
2468 int has_aes_in = 0;
2469 int i, j;
2470 u16 source;
2471
2472 snd_control.private_value = hpi_ctl->h_control;
2473
2474 clkcache->has_local = 0;
2475
2476 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2477 if (hpi_sample_clock_query_source(hSC,
2478 i, &source))
2479 break;
2480 clkcache->s[i].source = source;
2481 clkcache->s[i].index = 0;
2482 clkcache->s[i].name = sampleclock_sources[source];
2483 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2484 has_aes_in = 1;
2485 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2486 clkcache->has_local = 1;
2487 }
2488 if (has_aes_in)
2489 /* already will have picked up index 0 above */
2490 for (j = 1; j < 8; j++) {
2491 if (hpi_sample_clock_query_source_index(hSC,
2492 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2493 &source))
2494 break;
2495 clkcache->s[i].source =
2496 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2497 clkcache->s[i].index = j;
2498 clkcache->s[i].name = sampleclock_sources[
2499 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2500 i++;
2501 }
2502 clkcache->count = i;
2503
2504 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2505 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2506 snd_control.info = snd_asihpi_clksrc_info;
2507 snd_control.get = snd_asihpi_clksrc_get;
2508 snd_control.put = snd_asihpi_clksrc_put;
2509 if (ctl_add(card, &snd_control, asihpi) < 0)
2510 return -EINVAL;
2511
2512
2513 if (clkcache->has_local) {
2514 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2515 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2516 snd_control.info = snd_asihpi_clklocal_info;
2517 snd_control.get = snd_asihpi_clklocal_get;
2518 snd_control.put = snd_asihpi_clklocal_put;
2519
2520
2521 if (ctl_add(card, &snd_control, asihpi) < 0)
2522 return -EINVAL;
2523 }
2524
2525 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2526 snd_control.access =
2527 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2528 snd_control.info = snd_asihpi_clkrate_info;
2529 snd_control.get = snd_asihpi_clkrate_get;
2530
2531 return ctl_add(card, &snd_control, asihpi);
2532 }
2533 /*------------------------------------------------------------
2534 Mixer
2535 ------------------------------------------------------------*/
2536
2537 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2538 {
2539 struct snd_card *card = asihpi->card;
2540 unsigned int idx = 0;
2541 unsigned int subindex = 0;
2542 int err;
2543 struct hpi_control hpi_ctl, prev_ctl;
2544
2545 if (snd_BUG_ON(!asihpi))
2546 return -EINVAL;
2547 strcpy(card->mixername, "Asihpi Mixer");
2548
2549 err =
2550 hpi_mixer_open(asihpi->adapter_index,
2551 &asihpi->h_mixer);
2552 hpi_handle_error(err);
2553 if (err)
2554 return -err;
2555
2556 memset(&prev_ctl, 0, sizeof(prev_ctl));
2557 prev_ctl.control_type = -1;
2558
2559 for (idx = 0; idx < 2000; idx++) {
2560 err = hpi_mixer_get_control_by_index(
2561 asihpi->h_mixer,
2562 idx,
2563 &hpi_ctl.src_node_type,
2564 &hpi_ctl.src_node_index,
2565 &hpi_ctl.dst_node_type,
2566 &hpi_ctl.dst_node_index,
2567 &hpi_ctl.control_type,
2568 &hpi_ctl.h_control);
2569 if (err) {
2570 if (err == HPI_ERROR_CONTROL_DISABLED) {
2571 if (mixer_dump)
2572 snd_printk(KERN_INFO
2573 "Disabled HPI Control(%d)\n",
2574 idx);
2575 continue;
2576 } else
2577 break;
2578
2579 }
2580
2581 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2582 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2583
2584 /* ASI50xx in SSX mode has multiple meters on the same node.
2585 Use subindex to create distinct ALSA controls
2586 for any duplicated controls.
2587 */
2588 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2589 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2590 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2591 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2592 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2593 subindex++;
2594 else
2595 subindex = 0;
2596
2597 prev_ctl = hpi_ctl;
2598
2599 switch (hpi_ctl.control_type) {
2600 case HPI_CONTROL_VOLUME:
2601 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2602 break;
2603 case HPI_CONTROL_LEVEL:
2604 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2605 break;
2606 case HPI_CONTROL_MULTIPLEXER:
2607 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2608 break;
2609 case HPI_CONTROL_CHANNEL_MODE:
2610 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2611 break;
2612 case HPI_CONTROL_METER:
2613 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2614 break;
2615 case HPI_CONTROL_SAMPLECLOCK:
2616 err = snd_asihpi_sampleclock_add(
2617 asihpi, &hpi_ctl);
2618 break;
2619 case HPI_CONTROL_CONNECTION: /* ignore these */
2620 continue;
2621 case HPI_CONTROL_TUNER:
2622 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2623 break;
2624 case HPI_CONTROL_AESEBU_TRANSMITTER:
2625 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2626 break;
2627 case HPI_CONTROL_AESEBU_RECEIVER:
2628 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2629 break;
2630 case HPI_CONTROL_VOX:
2631 case HPI_CONTROL_BITSTREAM:
2632 case HPI_CONTROL_MICROPHONE:
2633 case HPI_CONTROL_PARAMETRIC_EQ:
2634 case HPI_CONTROL_COMPANDER:
2635 default:
2636 if (mixer_dump)
2637 snd_printk(KERN_INFO
2638 "Untranslated HPI Control"
2639 "(%d) %d %d %d %d %d\n",
2640 idx,
2641 hpi_ctl.control_type,
2642 hpi_ctl.src_node_type,
2643 hpi_ctl.src_node_index,
2644 hpi_ctl.dst_node_type,
2645 hpi_ctl.dst_node_index);
2646 continue;
2647 };
2648 if (err < 0)
2649 return err;
2650 }
2651 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2652 hpi_handle_error(err);
2653
2654 snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2655
2656 return 0;
2657 }
2658
2659 /*------------------------------------------------------------
2660 /proc interface
2661 ------------------------------------------------------------*/
2662
2663 static void
2664 snd_asihpi_proc_read(struct snd_info_entry *entry,
2665 struct snd_info_buffer *buffer)
2666 {
2667 struct snd_card_asihpi *asihpi = entry->private_data;
2668 u16 version;
2669 u32 h_control;
2670 u32 rate = 0;
2671 u16 source = 0;
2672 int err;
2673
2674 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2675 snd_iprintf(buffer,
2676 "adapter ID=%4X\n_index=%d\n"
2677 "num_outstreams=%d\n_num_instreams=%d\n",
2678 asihpi->type, asihpi->adapter_index,
2679 asihpi->num_outstreams, asihpi->num_instreams);
2680
2681 version = asihpi->version;
2682 snd_iprintf(buffer,
2683 "serial#=%d\n_hw version %c%d\nDSP code version %03d\n",
2684 asihpi->serial_number, ((version >> 3) & 0xf) + 'A',
2685 version & 0x7,
2686 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2687
2688 err = hpi_mixer_get_control(asihpi->h_mixer,
2689 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2690 HPI_CONTROL_SAMPLECLOCK, &h_control);
2691
2692 if (!err) {
2693 err = hpi_sample_clock_get_sample_rate(
2694 h_control, &rate);
2695 err += hpi_sample_clock_get_source(h_control, &source);
2696
2697 if (!err)
2698 snd_iprintf(buffer, "sample_clock=%d_hz, source %s\n",
2699 rate, sampleclock_sources[source]);
2700 }
2701
2702 }
2703
2704
2705 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2706 {
2707 struct snd_info_entry *entry;
2708
2709 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2710 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2711 }
2712
2713 /*------------------------------------------------------------
2714 HWDEP
2715 ------------------------------------------------------------*/
2716
2717 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2718 {
2719 if (enable_hpi_hwdep)
2720 return 0;
2721 else
2722 return -ENODEV;
2723
2724 }
2725
2726 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2727 {
2728 if (enable_hpi_hwdep)
2729 return asihpi_hpi_release(file);
2730 else
2731 return -ENODEV;
2732 }
2733
2734 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2735 unsigned int cmd, unsigned long arg)
2736 {
2737 if (enable_hpi_hwdep)
2738 return asihpi_hpi_ioctl(file, cmd, arg);
2739 else
2740 return -ENODEV;
2741 }
2742
2743
2744 /* results in /dev/snd/hwC#D0 file for each card with index #
2745 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2746 */
2747 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2748 int device, struct snd_hwdep **rhwdep)
2749 {
2750 struct snd_hwdep *hw;
2751 int err;
2752
2753 if (rhwdep)
2754 *rhwdep = NULL;
2755 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2756 if (err < 0)
2757 return err;
2758 strcpy(hw->name, "asihpi (HPI)");
2759 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2760 hw->ops.open = snd_asihpi_hpi_open;
2761 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2762 hw->ops.release = snd_asihpi_hpi_release;
2763 hw->private_data = asihpi;
2764 if (rhwdep)
2765 *rhwdep = hw;
2766 return 0;
2767 }
2768
2769 /*------------------------------------------------------------
2770 CARD
2771 ------------------------------------------------------------*/
2772 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2773 const struct pci_device_id *pci_id)
2774 {
2775 int err;
2776
2777 u16 version;
2778 int pcm_substreams;
2779
2780 struct hpi_adapter *hpi_card;
2781 struct snd_card *card;
2782 struct snd_card_asihpi *asihpi;
2783
2784 u32 h_control;
2785 u32 h_stream;
2786
2787 static int dev;
2788 if (dev >= SNDRV_CARDS)
2789 return -ENODEV;
2790
2791 /* Should this be enable[hpi_card->index] ? */
2792 if (!enable[dev]) {
2793 dev++;
2794 return -ENOENT;
2795 }
2796
2797 err = asihpi_adapter_probe(pci_dev, pci_id);
2798 if (err < 0)
2799 return err;
2800
2801 hpi_card = pci_get_drvdata(pci_dev);
2802 /* first try to give the card the same index as its hardware index */
2803 err = snd_card_create(hpi_card->index,
2804 id[hpi_card->index], THIS_MODULE,
2805 sizeof(struct snd_card_asihpi),
2806 &card);
2807 if (err < 0) {
2808 /* if that fails, try the default index==next available */
2809 err =
2810 snd_card_create(index[dev], id[dev],
2811 THIS_MODULE,
2812 sizeof(struct snd_card_asihpi),
2813 &card);
2814 if (err < 0)
2815 return err;
2816 snd_printk(KERN_WARNING
2817 "**** WARNING **** Adapter index %d->ALSA index %d\n",
2818 hpi_card->index, card->number);
2819 }
2820
2821 snd_card_set_dev(card, &pci_dev->dev);
2822
2823 asihpi = (struct snd_card_asihpi *) card->private_data;
2824 asihpi->card = card;
2825 asihpi->pci = pci_dev;
2826 asihpi->adapter_index = hpi_card->index;
2827 hpi_handle_error(hpi_adapter_get_info(
2828 asihpi->adapter_index,
2829 &asihpi->num_outstreams,
2830 &asihpi->num_instreams,
2831 &asihpi->version,
2832 &asihpi->serial_number, &asihpi->type));
2833
2834 version = asihpi->version;
2835 snd_printk(KERN_INFO "adapter ID=%4X index=%d num_outstreams=%d "
2836 "num_instreams=%d S/N=%d\n"
2837 "Hw Version %c%d DSP code version %03d\n",
2838 asihpi->type, asihpi->adapter_index,
2839 asihpi->num_outstreams,
2840 asihpi->num_instreams, asihpi->serial_number,
2841 ((version >> 3) & 0xf) + 'A',
2842 version & 0x7,
2843 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2844
2845 pcm_substreams = asihpi->num_outstreams;
2846 if (pcm_substreams < asihpi->num_instreams)
2847 pcm_substreams = asihpi->num_instreams;
2848
2849 err = hpi_adapter_get_property(asihpi->adapter_index,
2850 HPI_ADAPTER_PROPERTY_CAPS1,
2851 NULL, &asihpi->support_grouping);
2852 if (err)
2853 asihpi->support_grouping = 0;
2854
2855 err = hpi_adapter_get_property(asihpi->adapter_index,
2856 HPI_ADAPTER_PROPERTY_CAPS2,
2857 &asihpi->support_mrx, NULL);
2858 if (err)
2859 asihpi->support_mrx = 0;
2860
2861 err = hpi_adapter_get_property(asihpi->adapter_index,
2862 HPI_ADAPTER_PROPERTY_INTERVAL,
2863 NULL, &asihpi->update_interval_frames);
2864 if (err)
2865 asihpi->update_interval_frames = 512;
2866
2867 if (!asihpi->can_dma)
2868 asihpi->update_interval_frames *= 2;
2869
2870 hpi_handle_error(hpi_instream_open(asihpi->adapter_index,
2871 0, &h_stream));
2872
2873 err = hpi_instream_host_buffer_free(h_stream);
2874 asihpi->can_dma = (!err);
2875
2876 hpi_handle_error(hpi_instream_close(h_stream));
2877
2878 err = hpi_adapter_get_property(asihpi->adapter_index,
2879 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2880 &asihpi->in_max_chans, &asihpi->out_max_chans);
2881 if (err) {
2882 asihpi->in_max_chans = 2;
2883 asihpi->out_max_chans = 2;
2884 }
2885
2886 snd_printk(KERN_INFO "has dma:%d, grouping:%d, mrx:%d\n",
2887 asihpi->can_dma,
2888 asihpi->support_grouping,
2889 asihpi->support_mrx
2890 );
2891
2892 err = snd_card_asihpi_pcm_new(asihpi, 0, pcm_substreams);
2893 if (err < 0) {
2894 snd_printk(KERN_ERR "pcm_new failed\n");
2895 goto __nodev;
2896 }
2897 err = snd_card_asihpi_mixer_new(asihpi);
2898 if (err < 0) {
2899 snd_printk(KERN_ERR "mixer_new failed\n");
2900 goto __nodev;
2901 }
2902
2903 err = hpi_mixer_get_control(asihpi->h_mixer,
2904 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2905 HPI_CONTROL_SAMPLECLOCK, &h_control);
2906
2907 if (!err)
2908 err = hpi_sample_clock_set_local_rate(
2909 h_control, adapter_fs);
2910
2911 snd_asihpi_proc_init(asihpi);
2912
2913 /* always create, can be enabled or disabled dynamically
2914 by enable_hwdep module param*/
2915 snd_asihpi_hpi_new(asihpi, 0, NULL);
2916
2917 strcpy(card->driver, "ASIHPI");
2918
2919 sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type);
2920 sprintf(card->longname, "%s %i",
2921 card->shortname, asihpi->adapter_index);
2922 err = snd_card_register(card);
2923
2924 if (!err) {
2925 hpi_card->snd_card_asihpi = card;
2926 dev++;
2927 return 0;
2928 }
2929 __nodev:
2930 snd_card_free(card);
2931 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2932 return err;
2933
2934 }
2935
2936 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2937 {
2938 struct hpi_adapter *hpi_card = pci_get_drvdata(pci_dev);
2939
2940 snd_card_free(hpi_card->snd_card_asihpi);
2941 hpi_card->snd_card_asihpi = NULL;
2942 asihpi_adapter_remove(pci_dev);
2943 }
2944
2945 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2946 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2947 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2948 (kernel_ulong_t)HPI_6205},
2949 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2950 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2951 (kernel_ulong_t)HPI_6000},
2952 {0,}
2953 };
2954 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2955
2956 static struct pci_driver driver = {
2957 .name = KBUILD_MODNAME,
2958 .id_table = asihpi_pci_tbl,
2959 .probe = snd_asihpi_probe,
2960 .remove = __devexit_p(snd_asihpi_remove),
2961 #ifdef CONFIG_PM
2962 /* .suspend = snd_asihpi_suspend,
2963 .resume = snd_asihpi_resume, */
2964 #endif
2965 };
2966
2967 static int __init snd_asihpi_init(void)
2968 {
2969 asihpi_init();
2970 return pci_register_driver(&driver);
2971 }
2972
2973 static void __exit snd_asihpi_exit(void)
2974 {
2975
2976 pci_unregister_driver(&driver);
2977 asihpi_exit();
2978 }
2979
2980 module_init(snd_asihpi_init)
2981 module_exit(snd_asihpi_exit)
2982