3 * Copyright (c) by AudioScience Inc <support@audioscience.com>
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;
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.
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
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.
25 #include "hpi_internal.h"
26 #include "hpi_version.h"
27 #include "hpimsginit.h"
31 #include <linux/pci.h>
32 #include <linux/init.h>
33 #include <linux/jiffies.h>
34 #include <linux/slab.h>
35 #include <linux/time.h>
36 #include <linux/wait.h>
37 #include <linux/module.h>
38 #include <sound/core.h>
39 #include <sound/control.h>
40 #include <sound/pcm.h>
41 #include <sound/pcm_params.h>
42 #include <sound/info.h>
43 #include <sound/initval.h>
44 #include <sound/tlv.h>
45 #include <sound/hwdep.h>
47 MODULE_LICENSE("GPL");
48 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
49 MODULE_DESCRIPTION("AudioScience ALSA ASI5xxx ASI6xxx ASI87xx ASI89xx "
52 #if defined CONFIG_SND_DEBUG_VERBOSE
54 * snd_printddd - very verbose debug printk
55 * @format: format string
57 * Works like snd_printk() for debugging purposes.
58 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
59 * Must set snd module debug parameter to 3 to enable at runtime.
61 #define snd_printddd(format, args...) \
62 __snd_printk(3, __FILE__, __LINE__, format, ##args)
64 #define snd_printddd(format, args...) do { } while (0)
67 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
68 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
69 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
70 static bool enable_hpi_hwdep = 1;
72 module_param_array(index, int, NULL, 0444);
73 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
75 module_param_array(id, charp, NULL, 0444);
76 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
78 module_param_array(enable, bool, NULL, 0444);
79 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
81 module_param(enable_hpi_hwdep, bool, 0644);
82 MODULE_PARM_DESC(enable_hpi_hwdep,
83 "ALSA enable HPI hwdep for AudioScience soundcard ");
86 #ifdef KERNEL_ALSA_BUILD
87 static char *build_info = "Built using headers from kernel source";
88 module_param(build_info, charp, 0444);
89 MODULE_PARM_DESC(build_info, "Built using headers from kernel source");
91 static char *build_info = "Built within ALSA source";
92 module_param(build_info, charp, 0444);
93 MODULE_PARM_DESC(build_info, "Built within ALSA source");
96 /* set to 1 to dump every control from adapter to log */
97 static const int mixer_dump;
99 #define DEFAULT_SAMPLERATE 44100
100 static int adapter_fs = DEFAULT_SAMPLERATE;
103 #define PERIODS_MIN 2
104 #define PERIOD_BYTES_MIN 2048
105 #define BUFFER_BYTES_MAX (512 * 1024)
107 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
118 struct clk_source s[MAX_CLOCKSOURCES];
122 struct snd_card_asihpi {
123 struct snd_card *card;
125 struct hpi_adapter *hpi;
127 /* In low latency mode there is only one stream, a pointer to its
128 * private data is stored here on trigger and cleared on stop.
129 * The interrupt handler uses it as a parameter when calling
130 * snd_card_asihpi_timer_function().
132 struct snd_card_asihpi_pcm *llmode_streampriv;
133 struct tasklet_struct t;
134 void (*pcm_start)(struct snd_pcm_substream *substream);
135 void (*pcm_stop)(struct snd_pcm_substream *substream);
141 u16 support_grouping;
143 u16 update_interval_frames;
150 /* Per stream data */
151 struct snd_card_asihpi_pcm {
152 struct timer_list timer;
153 unsigned int respawn_timer;
154 unsigned int hpi_buffer_attached;
155 unsigned int buffer_bytes;
156 unsigned int period_bytes;
157 unsigned int bytes_per_sec;
158 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
159 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */
160 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */
161 unsigned int drained_count;
162 struct snd_pcm_substream *substream;
164 struct hpi_format format;
167 /* universal stream verbs work with out or in stream handles */
169 /* Functions to allow driver to give a buffer to HPI for busmastering */
171 static u16 hpi_stream_host_buffer_attach(
172 u32 h_stream, /* handle to outstream. */
173 u32 size_in_bytes, /* size in bytes of bus mastering buffer */
177 struct hpi_message hm;
178 struct hpi_response hr;
179 unsigned int obj = hpi_handle_object(h_stream);
182 return HPI_ERROR_INVALID_OBJ;
183 hpi_init_message_response(&hm, &hr, obj,
184 obj == HPI_OBJ_OSTREAM ?
185 HPI_OSTREAM_HOSTBUFFER_ALLOC :
186 HPI_ISTREAM_HOSTBUFFER_ALLOC);
188 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
191 hm.u.d.u.buffer.buffer_size = size_in_bytes;
192 hm.u.d.u.buffer.pci_address = pci_address;
193 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
194 hpi_send_recv(&hm, &hr);
198 static u16 hpi_stream_host_buffer_detach(u32 h_stream)
200 struct hpi_message hm;
201 struct hpi_response hr;
202 unsigned int obj = hpi_handle_object(h_stream);
205 return HPI_ERROR_INVALID_OBJ;
207 hpi_init_message_response(&hm, &hr, obj,
208 obj == HPI_OBJ_OSTREAM ?
209 HPI_OSTREAM_HOSTBUFFER_FREE :
210 HPI_ISTREAM_HOSTBUFFER_FREE);
212 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
214 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
215 hpi_send_recv(&hm, &hr);
219 static inline u16 hpi_stream_start(u32 h_stream)
221 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
222 return hpi_outstream_start(h_stream);
224 return hpi_instream_start(h_stream);
227 static inline u16 hpi_stream_stop(u32 h_stream)
229 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
230 return hpi_outstream_stop(h_stream);
232 return hpi_instream_stop(h_stream);
235 static inline u16 hpi_stream_get_info_ex(
239 u32 *pdata_in_buffer,
245 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
246 e = hpi_outstream_get_info_ex(h_stream, pw_state,
247 pbuffer_size, pdata_in_buffer,
248 psample_count, pauxiliary_data);
250 e = hpi_instream_get_info_ex(h_stream, pw_state,
251 pbuffer_size, pdata_in_buffer,
252 psample_count, pauxiliary_data);
256 static inline u16 hpi_stream_group_add(
260 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM)
261 return hpi_outstream_group_add(h_master, h_stream);
263 return hpi_instream_group_add(h_master, h_stream);
266 static inline u16 hpi_stream_group_reset(u32 h_stream)
268 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
269 return hpi_outstream_group_reset(h_stream);
271 return hpi_instream_group_reset(h_stream);
274 static inline u16 hpi_stream_group_get_map(
275 u32 h_stream, u32 *mo, u32 *mi)
277 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
278 return hpi_outstream_group_get_map(h_stream, mo, mi);
280 return hpi_instream_group_get_map(h_stream, mo, mi);
283 static u16 handle_error(u16 err, int line, char *filename)
287 "in file %s, line %d: HPI error %d\n",
288 filename, line, err);
292 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__)
294 /***************************** GENERAL PCM ****************/
296 static void print_hwparams(struct snd_pcm_substream *substream,
297 struct snd_pcm_hw_params *p)
300 snd_pcm_debug_name(substream, name, sizeof(name));
301 snd_printdd("%s HWPARAMS\n", name);
302 snd_printdd(" samplerate=%dHz channels=%d format=%d subformat=%d\n",
303 params_rate(p), params_channels(p),
304 params_format(p), params_subformat(p));
305 snd_printdd(" buffer=%dB period=%dB period_size=%dB periods=%d\n",
306 params_buffer_bytes(p), params_period_bytes(p),
307 params_period_size(p), params_periods(p));
308 snd_printdd(" buffer_size=%d access=%d data_rate=%dB/s\n",
309 params_buffer_size(p), params_access(p),
310 params_rate(p) * params_channels(p) *
311 snd_pcm_format_width(params_format(p)) / 8);
314 #define INVALID_FORMAT (__force snd_pcm_format_t)(-1)
316 static snd_pcm_format_t hpi_to_alsa_formats[] = {
317 INVALID_FORMAT, /* INVALID */
318 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
319 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
320 INVALID_FORMAT, /* HPI_FORMAT_MPEG_L1 3 */
321 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
322 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
323 INVALID_FORMAT, /* HPI_FORMAT_DOLBY_AC2 6 */
324 INVALID_FORMAT, /* HPI_FORMAT_DOLBY_AC3 7 */
325 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
326 INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
327 INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
328 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
329 INVALID_FORMAT, /* HPI_FORMAT_RAW_BITSTREAM 12 */
330 INVALID_FORMAT, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
331 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
333 /* ALSA can't handle 3 byte sample size together with power-of-2
334 * constraint on buffer_bytes, so disable this format
338 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
343 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
348 for (format = HPI_FORMAT_PCM8_UNSIGNED;
349 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
350 if (hpi_to_alsa_formats[format] == alsa_format) {
351 *hpi_format = format;
356 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
362 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
363 struct snd_pcm_hardware *pcmhw)
369 unsigned int rate_min = 200000;
370 unsigned int rate_max = 0;
371 unsigned int rates = 0;
373 if (asihpi->support_mrx) {
374 rates |= SNDRV_PCM_RATE_CONTINUOUS;
375 rates |= SNDRV_PCM_RATE_8000_96000;
379 /* on cards without SRC,
380 valid rates are determined by sampleclock */
381 err = hpi_mixer_get_control(asihpi->h_mixer,
382 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
383 HPI_CONTROL_SAMPLECLOCK, &h_control);
385 dev_err(&asihpi->pci->dev,
386 "No local sampleclock, err %d\n", err);
389 for (idx = -1; idx < 100; idx++) {
391 if (hpi_sample_clock_get_sample_rate(h_control,
394 } else if (hpi_sample_clock_query_local_rate(h_control,
395 idx, &sample_rate)) {
399 rate_min = min(rate_min, sample_rate);
400 rate_max = max(rate_max, sample_rate);
402 switch (sample_rate) {
404 rates |= SNDRV_PCM_RATE_5512;
407 rates |= SNDRV_PCM_RATE_8000;
410 rates |= SNDRV_PCM_RATE_11025;
413 rates |= SNDRV_PCM_RATE_16000;
416 rates |= SNDRV_PCM_RATE_22050;
419 rates |= SNDRV_PCM_RATE_32000;
422 rates |= SNDRV_PCM_RATE_44100;
425 rates |= SNDRV_PCM_RATE_48000;
428 rates |= SNDRV_PCM_RATE_64000;
431 rates |= SNDRV_PCM_RATE_88200;
434 rates |= SNDRV_PCM_RATE_96000;
437 rates |= SNDRV_PCM_RATE_176400;
440 rates |= SNDRV_PCM_RATE_192000;
442 default: /* some other rate */
443 rates |= SNDRV_PCM_RATE_KNOT;
448 pcmhw->rates = rates;
449 pcmhw->rate_min = rate_min;
450 pcmhw->rate_max = rate_max;
453 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
454 struct snd_pcm_hw_params *params)
456 struct snd_pcm_runtime *runtime = substream->runtime;
457 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
458 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
462 unsigned int bytes_per_sec;
464 print_hwparams(substream, params);
465 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
468 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
472 hpi_handle_error(hpi_format_create(&dpcm->format,
473 params_channels(params),
474 format, params_rate(params), 0, 0));
476 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
477 if (hpi_instream_reset(dpcm->h_stream) != 0)
480 if (hpi_instream_set_format(
481 dpcm->h_stream, &dpcm->format) != 0)
485 dpcm->hpi_buffer_attached = 0;
487 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
488 params_buffer_bytes(params), runtime->dma_addr);
491 "stream_host_buffer_attach success %u %lu\n",
492 params_buffer_bytes(params),
493 (unsigned long)runtime->dma_addr);
495 snd_printd("stream_host_buffer_attach error %d\n",
500 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
501 &dpcm->hpi_buffer_attached, NULL, NULL, NULL);
503 bytes_per_sec = params_rate(params) * params_channels(params);
504 width = snd_pcm_format_width(params_format(params));
505 bytes_per_sec *= width;
507 if (width < 0 || bytes_per_sec == 0)
510 dpcm->bytes_per_sec = bytes_per_sec;
511 dpcm->buffer_bytes = params_buffer_bytes(params);
512 dpcm->period_bytes = params_period_bytes(params);
518 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
520 struct snd_pcm_runtime *runtime = substream->runtime;
521 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
522 if (dpcm->hpi_buffer_attached)
523 hpi_stream_host_buffer_detach(dpcm->h_stream);
525 snd_pcm_lib_free_pages(substream);
529 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
531 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
535 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
538 struct snd_pcm_runtime *runtime = substream->runtime;
539 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
544 expiry = max(expiry, 1); /* don't let it be zero! */
545 mod_timer(&dpcm->timer, jiffies + expiry);
546 dpcm->respawn_timer = 1;
549 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
551 struct snd_pcm_runtime *runtime = substream->runtime;
552 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
554 dpcm->respawn_timer = 0;
555 del_timer(&dpcm->timer);
558 static void snd_card_asihpi_pcm_int_start(struct snd_pcm_substream *substream)
560 struct snd_card_asihpi_pcm *dpcm;
561 struct snd_card_asihpi *card;
563 dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
564 card = snd_pcm_substream_chip(substream);
566 WARN_ON(in_interrupt());
567 tasklet_disable(&card->t);
568 card->llmode_streampriv = dpcm;
569 tasklet_enable(&card->t);
571 hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index,
572 HPI_ADAPTER_PROPERTY_IRQ_RATE,
573 card->update_interval_frames, 0));
576 static void snd_card_asihpi_pcm_int_stop(struct snd_pcm_substream *substream)
578 struct snd_card_asihpi *card;
580 card = snd_pcm_substream_chip(substream);
582 hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index,
583 HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0));
586 card->llmode_streampriv = NULL;
588 tasklet_disable(&card->t);
589 card->llmode_streampriv = NULL;
590 tasklet_enable(&card->t);
594 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
597 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
598 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
599 struct snd_pcm_substream *s;
603 snd_pcm_debug_name(substream, name, sizeof(name));
606 case SNDRV_PCM_TRIGGER_START:
607 snd_printdd("%s trigger start\n", name);
608 snd_pcm_group_for_each_entry(s, substream) {
609 struct snd_pcm_runtime *runtime = s->runtime;
610 struct snd_card_asihpi_pcm *ds = runtime->private_data;
612 if (snd_pcm_substream_chip(s) != card)
615 /* don't link Cap and Play */
616 if (substream->stream != s->stream)
619 ds->drained_count = 0;
620 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
621 /* How do I know how much valid data is present
622 * in buffer? Must be at least one period!
623 * Guessing 2 periods, but if
624 * buffer is bigger it may contain even more
627 unsigned int preload = ds->period_bytes * 1;
628 snd_printddd("%d preload %d\n", s->number, preload);
629 hpi_handle_error(hpi_outstream_write_buf(
631 &runtime->dma_area[0],
634 ds->pcm_buf_host_rw_ofs = preload;
637 if (card->support_grouping) {
638 snd_printdd("%d group\n", s->number);
639 e = hpi_stream_group_add(
643 snd_pcm_trigger_done(s, substream);
651 /* start the master stream */
652 card->pcm_start(substream);
653 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
655 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
658 case SNDRV_PCM_TRIGGER_STOP:
659 snd_printdd("%s trigger stop\n", name);
660 card->pcm_stop(substream);
661 snd_pcm_group_for_each_entry(s, substream) {
662 if (snd_pcm_substream_chip(s) != card)
664 /* don't link Cap and Play */
665 if (substream->stream != s->stream)
668 /*? workaround linked streams don't
669 transition to SETUP 20070706*/
670 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
672 if (card->support_grouping) {
673 snd_printdd("%d group\n", s->number);
674 snd_pcm_trigger_done(s, substream);
679 /* _prepare and _hwparams reset the stream */
680 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
681 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
683 hpi_outstream_reset(dpcm->h_stream));
685 if (card->support_grouping)
686 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
689 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
690 snd_printdd("%s trigger pause release\n", name);
691 card->pcm_start(substream);
692 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
694 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
695 snd_printdd("%s trigger pause push\n", name);
696 card->pcm_stop(substream);
697 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
700 snd_printd(KERN_ERR "\tINVALID\n");
708 Without linking degenerates to getting single stream pos etc
709 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
712 pcm_buf_dma_ofs=get_buf_pos(s);
713 for_each_linked_stream(s) {
714 pcm_buf_dma_ofs=get_buf_pos(s);
715 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
716 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
718 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
719 for_each_linked_stream(s) {
720 s->pcm_buf_dma_ofs = min_buf_pos;
721 if (new_data > period_bytes) {
723 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
730 snd_pcm_period_elapsed(s);
735 /** Minimum of 2 modulo values. Works correctly when the difference between
736 * the values is less than half the modulus
738 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
739 unsigned long int modulus)
742 if (((a-b) % modulus) < (modulus/2))
750 /** Timer function, equivalent to interrupt service routine for cards
752 static void snd_card_asihpi_timer_function(struct timer_list *t)
754 struct snd_card_asihpi_pcm *dpcm = from_timer(dpcm, t, timer);
755 struct snd_pcm_substream *substream = dpcm->substream;
756 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
757 struct snd_pcm_runtime *runtime;
758 struct snd_pcm_substream *s;
759 unsigned int newdata = 0;
760 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
761 unsigned int remdata, xfercount, next_jiffies;
765 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
769 snd_pcm_debug_name(substream, name, sizeof(name));
771 /* find minimum newdata and buffer pos in group */
772 snd_pcm_group_for_each_entry(s, substream) {
773 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
774 runtime = s->runtime;
776 if (snd_pcm_substream_chip(s) != card)
779 /* don't link Cap and Play */
780 if (substream->stream != s->stream)
783 hpi_handle_error(hpi_stream_get_info_ex(
784 ds->h_stream, &state,
785 &buffer_size, &bytes_avail,
786 &samples_played, &on_card_bytes));
788 /* number of bytes in on-card buffer */
789 runtime->delay = on_card_bytes;
792 on_card_bytes = bytes_avail;
794 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
795 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
796 if (state == HPI_STATE_STOPPED) {
797 if (bytes_avail == 0) {
798 hpi_handle_error(hpi_stream_start(ds->h_stream));
799 snd_printdd("P%d start\n", s->number);
800 ds->drained_count = 0;
802 } else if (state == HPI_STATE_DRAINED) {
803 snd_printd(KERN_WARNING "P%d drained\n",
806 if (ds->drained_count > 20) {
807 snd_pcm_stop_xrun(s);
811 ds->drained_count = 0;
814 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
817 /* can't statically init min when wrap is involved */
818 min_buf_pos = pcm_buf_dma_ofs;
819 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
823 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
825 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
830 "timer1, %s, %d, S=%d, elap=%d, rw=%d, dsp=%d, left=%d, aux=%d, space=%d, hw_ptr=%ld, appl_ptr=%ld\n",
831 name, s->number, state,
832 ds->pcm_buf_elapsed_dma_ofs,
833 ds->pcm_buf_host_rw_ofs,
838 buffer_size-bytes_avail,
839 (unsigned long)frames_to_bytes(runtime,
840 runtime->status->hw_ptr),
841 (unsigned long)frames_to_bytes(runtime,
842 runtime->control->appl_ptr)
846 pcm_buf_dma_ofs = min_buf_pos;
848 remdata = newdata % dpcm->period_bytes;
849 xfercount = newdata - remdata; /* a multiple of period_bytes */
850 /* come back when on_card_bytes has decreased enough to allow
851 write to happen, or when data has been consumed to make another
854 if (xfercount && (on_card_bytes > dpcm->period_bytes))
855 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
857 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
859 next_jiffies = max(next_jiffies, 1U);
860 dpcm->timer.expires = jiffies + next_jiffies;
861 snd_printddd("timer2, jif=%d, buf_pos=%d, newdata=%d, xfer=%d\n",
862 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
864 snd_pcm_group_for_each_entry(s, substream) {
865 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
867 /* don't link Cap and Play */
868 if (substream->stream != s->stream)
871 /* Store dma offset for use by pointer callback */
872 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
875 /* Limit use of on card fifo for playback */
876 ((on_card_bytes <= ds->period_bytes) ||
877 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
881 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
882 unsigned int xfer1, xfer2;
883 char *pd = &s->runtime->dma_area[buf_ofs];
885 if (card->can_dma) { /* buffer wrap is handled at lower level */
889 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
890 xfer2 = xfercount - xfer1;
893 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
894 snd_printddd("write1, P=%d, xfer=%d, buf_ofs=%d\n",
895 s->number, xfer1, buf_ofs);
897 hpi_outstream_write_buf(
898 ds->h_stream, pd, xfer1,
902 pd = s->runtime->dma_area;
904 snd_printddd("write2, P=%d, xfer=%d, buf_ofs=%d\n",
906 xfercount - xfer1, buf_ofs);
908 hpi_outstream_write_buf(
914 snd_printddd("read1, C=%d, xfer=%d\n",
917 hpi_instream_read_buf(
921 pd = s->runtime->dma_area;
922 snd_printddd("read2, C=%d, xfer=%d\n",
925 hpi_instream_read_buf(
930 /* ? host_rw_ofs always ahead of elapsed_dma_ofs by preload size? */
931 ds->pcm_buf_host_rw_ofs += xfercount;
932 ds->pcm_buf_elapsed_dma_ofs += xfercount;
933 snd_pcm_period_elapsed(s);
937 if (!card->hpi->interrupt_mode && dpcm->respawn_timer)
938 add_timer(&dpcm->timer);
941 static void snd_card_asihpi_int_task(unsigned long data)
943 struct hpi_adapter *a = (struct hpi_adapter *)data;
944 struct snd_card_asihpi *asihpi;
946 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
947 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
948 if (asihpi->llmode_streampriv)
949 snd_card_asihpi_timer_function(
950 &asihpi->llmode_streampriv->timer);
953 static void snd_card_asihpi_isr(struct hpi_adapter *a)
955 struct snd_card_asihpi *asihpi;
957 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
958 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
959 tasklet_schedule(&asihpi->t);
962 /***************************** PLAYBACK OPS ****************/
963 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
964 unsigned int cmd, void *arg)
967 snd_pcm_debug_name(substream, name, sizeof(name));
968 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
969 return snd_pcm_lib_ioctl(substream, cmd, arg);
972 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
975 struct snd_pcm_runtime *runtime = substream->runtime;
976 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
978 snd_printdd("P%d prepare\n", substream->number);
980 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
981 dpcm->pcm_buf_host_rw_ofs = 0;
982 dpcm->pcm_buf_dma_ofs = 0;
983 dpcm->pcm_buf_elapsed_dma_ofs = 0;
987 static snd_pcm_uframes_t
988 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
990 struct snd_pcm_runtime *runtime = substream->runtime;
991 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
992 snd_pcm_uframes_t ptr;
994 snd_pcm_debug_name(substream, name, sizeof(name));
996 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
997 snd_printddd("%s, pointer=%ld\n", name, (unsigned long)ptr);
1001 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
1004 struct hpi_format hpi_format;
1008 u32 sample_rate = 48000;
1011 /* on cards without SRC, must query at valid rate,
1012 * maybe set by external sync
1014 err = hpi_mixer_get_control(asihpi->h_mixer,
1015 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1016 HPI_CONTROL_SAMPLECLOCK, &h_control);
1019 err = hpi_sample_clock_get_sample_rate(h_control,
1022 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1023 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1024 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
1025 format, sample_rate, 128000, 0);
1027 err = hpi_outstream_query_format(h_stream, &hpi_format);
1028 if (!err && (hpi_to_alsa_formats[format] != INVALID_FORMAT))
1029 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1034 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
1036 struct snd_pcm_runtime *runtime = substream->runtime;
1037 struct snd_card_asihpi_pcm *dpcm;
1038 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1039 struct snd_pcm_hardware snd_card_asihpi_playback;
1042 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1046 err = hpi_outstream_open(card->hpi->adapter->index,
1047 substream->number, &dpcm->h_stream);
1048 hpi_handle_error(err);
1051 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1056 /*? also check ASI5000 samplerate source
1057 If external, only support external rate.
1058 If internal and other stream playing, can't switch
1061 timer_setup(&dpcm->timer, snd_card_asihpi_timer_function, 0);
1062 dpcm->substream = substream;
1063 runtime->private_data = dpcm;
1064 runtime->private_free = snd_card_asihpi_runtime_free;
1066 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1067 if (!card->hpi->interrupt_mode) {
1068 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1069 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1070 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1071 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1072 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1074 size_t pbmin = card->update_interval_frames *
1075 card->out_max_chans;
1076 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1077 snd_card_asihpi_playback.period_bytes_min = pbmin;
1078 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1079 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1080 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / pbmin;
1083 /* snd_card_asihpi_playback.fifo_size = 0; */
1084 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1085 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1086 snd_card_asihpi_playback.formats =
1087 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1089 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1091 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1092 SNDRV_PCM_INFO_DOUBLE |
1093 SNDRV_PCM_INFO_BATCH |
1094 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1095 SNDRV_PCM_INFO_PAUSE |
1096 SNDRV_PCM_INFO_MMAP |
1097 SNDRV_PCM_INFO_MMAP_VALID;
1099 if (card->support_grouping) {
1100 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1101 snd_pcm_set_sync(substream);
1104 /* struct is copied, so can create initializer dynamically */
1105 runtime->hw = snd_card_asihpi_playback;
1108 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1109 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1113 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1114 card->update_interval_frames);
1116 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1117 card->update_interval_frames, UINT_MAX);
1119 snd_printdd("playback open\n");
1124 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1126 struct snd_pcm_runtime *runtime = substream->runtime;
1127 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1129 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1130 snd_printdd("playback close\n");
1135 static const struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1136 .open = snd_card_asihpi_playback_open,
1137 .close = snd_card_asihpi_playback_close,
1138 .ioctl = snd_card_asihpi_playback_ioctl,
1139 .hw_params = snd_card_asihpi_pcm_hw_params,
1140 .hw_free = snd_card_asihpi_hw_free,
1141 .prepare = snd_card_asihpi_playback_prepare,
1142 .trigger = snd_card_asihpi_trigger,
1143 .pointer = snd_card_asihpi_playback_pointer,
1146 /***************************** CAPTURE OPS ****************/
1147 static snd_pcm_uframes_t
1148 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1150 struct snd_pcm_runtime *runtime = substream->runtime;
1151 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1153 snd_pcm_debug_name(substream, name, sizeof(name));
1155 snd_printddd("%s, pointer=%d\n", name, dpcm->pcm_buf_dma_ofs);
1156 /* NOTE Unlike playback can't use actual samples_played
1157 for the capture position, because those samples aren't yet in
1158 the local buffer available for reading.
1160 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1163 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1164 unsigned int cmd, void *arg)
1166 return snd_pcm_lib_ioctl(substream, cmd, arg);
1169 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1171 struct snd_pcm_runtime *runtime = substream->runtime;
1172 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1174 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1175 dpcm->pcm_buf_host_rw_ofs = 0;
1176 dpcm->pcm_buf_dma_ofs = 0;
1177 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1179 snd_printdd("Capture Prepare %d\n", substream->number);
1183 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1186 struct hpi_format hpi_format;
1190 u32 sample_rate = 48000;
1193 /* on cards without SRC, must query at valid rate,
1194 maybe set by external sync */
1195 err = hpi_mixer_get_control(asihpi->h_mixer,
1196 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1197 HPI_CONTROL_SAMPLECLOCK, &h_control);
1200 err = hpi_sample_clock_get_sample_rate(h_control,
1203 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1204 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1206 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1207 format, sample_rate, 128000, 0);
1209 err = hpi_instream_query_format(h_stream, &hpi_format);
1210 if (!err && (hpi_to_alsa_formats[format] != INVALID_FORMAT))
1211 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1216 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1218 struct snd_pcm_runtime *runtime = substream->runtime;
1219 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1220 struct snd_card_asihpi_pcm *dpcm;
1221 struct snd_pcm_hardware snd_card_asihpi_capture;
1224 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1228 snd_printdd("capture open adapter %d stream %d\n",
1229 card->hpi->adapter->index, substream->number);
1231 err = hpi_handle_error(
1232 hpi_instream_open(card->hpi->adapter->index,
1233 substream->number, &dpcm->h_stream));
1236 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1241 timer_setup(&dpcm->timer, snd_card_asihpi_timer_function, 0);
1242 dpcm->substream = substream;
1243 runtime->private_data = dpcm;
1244 runtime->private_free = snd_card_asihpi_runtime_free;
1246 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1247 if (!card->hpi->interrupt_mode) {
1248 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1249 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1250 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1251 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1252 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1254 size_t pbmin = card->update_interval_frames *
1255 card->out_max_chans;
1256 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1257 snd_card_asihpi_capture.period_bytes_min = pbmin;
1258 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1259 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1260 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / pbmin;
1262 /* snd_card_asihpi_capture.fifo_size = 0; */
1263 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1264 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1265 snd_card_asihpi_capture.formats =
1266 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1267 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1268 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1269 SNDRV_PCM_INFO_MMAP |
1270 SNDRV_PCM_INFO_MMAP_VALID;
1272 if (card->support_grouping)
1273 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1275 runtime->hw = snd_card_asihpi_capture;
1278 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1279 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1283 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1284 card->update_interval_frames);
1285 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1286 card->update_interval_frames, UINT_MAX);
1288 snd_pcm_set_sync(substream);
1293 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1295 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1297 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1301 static const struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1302 .open = snd_card_asihpi_capture_open,
1303 .close = snd_card_asihpi_capture_close,
1304 .ioctl = snd_card_asihpi_capture_ioctl,
1305 .hw_params = snd_card_asihpi_pcm_hw_params,
1306 .hw_free = snd_card_asihpi_hw_free,
1307 .prepare = snd_card_asihpi_capture_prepare,
1308 .trigger = snd_card_asihpi_trigger,
1309 .pointer = snd_card_asihpi_capture_pointer,
1312 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device)
1314 struct snd_pcm *pcm;
1316 u16 num_instreams, num_outstreams, x16;
1319 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1320 &num_outstreams, &num_instreams,
1323 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1324 num_outstreams, num_instreams, &pcm);
1328 /* pointer to ops struct is stored, dont change ops afterwards! */
1329 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1330 &snd_card_asihpi_playback_mmap_ops);
1331 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1332 &snd_card_asihpi_capture_mmap_ops);
1334 pcm->private_data = asihpi;
1335 pcm->info_flags = 0;
1336 strcpy(pcm->name, "Asihpi PCM");
1338 /*? do we want to emulate MMAP for non-BBM cards?
1339 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1340 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1341 snd_dma_pci_data(asihpi->pci),
1342 64*1024, BUFFER_BYTES_MAX);
1347 /***************************** MIXER CONTROLS ****************/
1348 struct hpi_control {
1356 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */
1359 static const char * const asihpi_tuner_band_names[] = {
1372 /* Number of strings must match the enumerations for HPI_TUNER_BAND in hpi.h */
1373 compile_time_assert(
1374 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1375 (HPI_TUNER_BAND_LAST+1)),
1376 assert_tuner_band_names_size);
1378 static const char * const asihpi_src_names[] = {
1396 /* Number of strings must match the enumerations for HPI_SOURCENODES in hpi.h */
1397 compile_time_assert(
1398 (ARRAY_SIZE(asihpi_src_names) ==
1399 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1400 assert_src_names_size);
1402 static const char * const asihpi_dst_names[] = {
1416 /* Number of strings must match the enumerations for HPI_DESTNODES in hpi.h */
1417 compile_time_assert(
1418 (ARRAY_SIZE(asihpi_dst_names) ==
1419 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1420 assert_dst_names_size);
1422 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1423 struct snd_card_asihpi *asihpi)
1427 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1430 else if (mixer_dump)
1431 dev_info(&asihpi->pci->dev, "added %s(%d)\n", ctl->name, ctl->index);
1436 /* Convert HPI control name and location into ALSA control name */
1437 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1438 struct hpi_control *hpi_ctl,
1442 memset(snd_control, 0, sizeof(*snd_control));
1443 snd_control->name = hpi_ctl->name;
1444 snd_control->private_value = hpi_ctl->h_control;
1445 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1446 snd_control->index = 0;
1448 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1449 dir = ""; /* clock is neither capture nor playback */
1450 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1451 dir = "Capture "; /* On or towards a PCM capture destination*/
1452 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1453 (!hpi_ctl->dst_node_type))
1454 dir = "Capture "; /* On a source node that is not PCM playback */
1455 else if (hpi_ctl->src_node_type &&
1456 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1457 (hpi_ctl->dst_node_type))
1458 dir = "Monitor Playback "; /* Between an input and an output */
1460 dir = "Playback "; /* PCM Playback source, or output node */
1462 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1463 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1464 asihpi_src_names[hpi_ctl->src_node_type],
1465 hpi_ctl->src_node_index,
1466 asihpi_dst_names[hpi_ctl->dst_node_type],
1467 hpi_ctl->dst_node_index,
1469 else if (hpi_ctl->dst_node_type) {
1470 sprintf(hpi_ctl->name, "%s %d %s%s",
1471 asihpi_dst_names[hpi_ctl->dst_node_type],
1472 hpi_ctl->dst_node_index,
1475 sprintf(hpi_ctl->name, "%s %d %s%s",
1476 asihpi_src_names[hpi_ctl->src_node_type],
1477 hpi_ctl->src_node_index,
1480 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1481 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1484 /*------------------------------------------------------------
1486 ------------------------------------------------------------*/
1487 #define VOL_STEP_mB 1
1488 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1489 struct snd_ctl_elem_info *uinfo)
1491 u32 h_control = kcontrol->private_value;
1494 /* native gains are in millibels */
1499 err = hpi_volume_query_range(h_control,
1500 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1503 min_gain_mB = -10000;
1504 step_gain_mB = VOL_STEP_mB;
1507 err = hpi_meter_query_channels(h_control, &count);
1509 count = HPI_MAX_CHANNELS;
1511 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1512 uinfo->count = count;
1513 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1514 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1515 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1519 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1520 struct snd_ctl_elem_value *ucontrol)
1522 u32 h_control = kcontrol->private_value;
1523 short an_gain_mB[HPI_MAX_CHANNELS];
1525 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1526 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1527 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1532 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1533 struct snd_ctl_elem_value *ucontrol)
1536 u32 h_control = kcontrol->private_value;
1537 short an_gain_mB[HPI_MAX_CHANNELS];
1540 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1542 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1543 /* change = asihpi->mixer_volume[addr][0] != left ||
1544 asihpi->mixer_volume[addr][1] != right;
1547 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1551 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1553 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1555 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1556 struct snd_ctl_elem_value *ucontrol)
1558 u32 h_control = kcontrol->private_value;
1561 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1562 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1567 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1568 struct snd_ctl_elem_value *ucontrol)
1570 u32 h_control = kcontrol->private_value;
1572 /* HPI currently only supports all or none muting of multichannel volume
1573 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1575 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1576 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1580 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1581 struct hpi_control *hpi_ctl)
1583 struct snd_card *card = asihpi->card;
1584 struct snd_kcontrol_new snd_control;
1588 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1589 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1590 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1591 snd_control.info = snd_asihpi_volume_info;
1592 snd_control.get = snd_asihpi_volume_get;
1593 snd_control.put = snd_asihpi_volume_put;
1594 snd_control.tlv.p = db_scale_100;
1596 err = ctl_add(card, &snd_control, asihpi);
1600 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1601 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1602 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1603 snd_control.info = snd_asihpi_volume_mute_info;
1604 snd_control.get = snd_asihpi_volume_mute_get;
1605 snd_control.put = snd_asihpi_volume_mute_put;
1606 err = ctl_add(card, &snd_control, asihpi);
1611 /*------------------------------------------------------------
1613 ------------------------------------------------------------*/
1614 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1615 struct snd_ctl_elem_info *uinfo)
1617 u32 h_control = kcontrol->private_value;
1624 hpi_level_query_range(h_control, &min_gain_mB,
1625 &max_gain_mB, &step_gain_mB);
1628 min_gain_mB = -1000;
1632 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1634 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1635 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1636 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1640 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1641 struct snd_ctl_elem_value *ucontrol)
1643 u32 h_control = kcontrol->private_value;
1644 short an_gain_mB[HPI_MAX_CHANNELS];
1646 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1647 ucontrol->value.integer.value[0] =
1648 an_gain_mB[0] / HPI_UNITS_PER_dB;
1649 ucontrol->value.integer.value[1] =
1650 an_gain_mB[1] / HPI_UNITS_PER_dB;
1655 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1656 struct snd_ctl_elem_value *ucontrol)
1659 u32 h_control = kcontrol->private_value;
1660 short an_gain_mB[HPI_MAX_CHANNELS];
1663 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1665 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1666 /* change = asihpi->mixer_level[addr][0] != left ||
1667 asihpi->mixer_level[addr][1] != right;
1670 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1674 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1676 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1677 struct hpi_control *hpi_ctl)
1679 struct snd_card *card = asihpi->card;
1680 struct snd_kcontrol_new snd_control;
1682 /* can't use 'volume' cos some nodes have volume as well */
1683 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1684 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1685 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1686 snd_control.info = snd_asihpi_level_info;
1687 snd_control.get = snd_asihpi_level_get;
1688 snd_control.put = snd_asihpi_level_put;
1689 snd_control.tlv.p = db_scale_level;
1691 return ctl_add(card, &snd_control, asihpi);
1694 /*------------------------------------------------------------
1696 ------------------------------------------------------------*/
1699 static const char * const asihpi_aesebu_format_names[] = {
1700 "N/A", "S/PDIF", "AES/EBU" };
1702 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1703 struct snd_ctl_elem_info *uinfo)
1705 return snd_ctl_enum_info(uinfo, 1, 3, asihpi_aesebu_format_names);
1708 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1709 struct snd_ctl_elem_value *ucontrol,
1710 u16 (*func)(u32, u16 *))
1712 u32 h_control = kcontrol->private_value;
1715 err = func(h_control, &source);
1717 /* default to N/A */
1718 ucontrol->value.enumerated.item[0] = 0;
1719 /* return success but set the control to N/A */
1722 if (source == HPI_AESEBU_FORMAT_SPDIF)
1723 ucontrol->value.enumerated.item[0] = 1;
1724 if (source == HPI_AESEBU_FORMAT_AESEBU)
1725 ucontrol->value.enumerated.item[0] = 2;
1730 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1731 struct snd_ctl_elem_value *ucontrol,
1732 u16 (*func)(u32, u16))
1734 u32 h_control = kcontrol->private_value;
1736 /* default to S/PDIF */
1737 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1739 if (ucontrol->value.enumerated.item[0] == 1)
1740 source = HPI_AESEBU_FORMAT_SPDIF;
1741 if (ucontrol->value.enumerated.item[0] == 2)
1742 source = HPI_AESEBU_FORMAT_AESEBU;
1744 if (func(h_control, source) != 0)
1750 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1751 struct snd_ctl_elem_value *ucontrol) {
1752 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1753 hpi_aesebu_receiver_get_format);
1756 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1757 struct snd_ctl_elem_value *ucontrol) {
1758 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1759 hpi_aesebu_receiver_set_format);
1762 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1763 struct snd_ctl_elem_info *uinfo)
1765 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1768 uinfo->value.integer.min = 0;
1769 uinfo->value.integer.max = 0X1F;
1770 uinfo->value.integer.step = 1;
1775 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1776 struct snd_ctl_elem_value *ucontrol) {
1778 u32 h_control = kcontrol->private_value;
1781 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1782 h_control, &status));
1783 ucontrol->value.integer.value[0] = status;
1787 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1788 struct hpi_control *hpi_ctl)
1790 struct snd_card *card = asihpi->card;
1791 struct snd_kcontrol_new snd_control;
1793 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1794 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1795 snd_control.info = snd_asihpi_aesebu_format_info;
1796 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1797 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1800 if (ctl_add(card, &snd_control, asihpi) < 0)
1803 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1804 snd_control.access =
1805 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1806 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1807 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1809 return ctl_add(card, &snd_control, asihpi);
1812 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1813 struct snd_ctl_elem_value *ucontrol) {
1814 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1815 hpi_aesebu_transmitter_get_format);
1818 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1819 struct snd_ctl_elem_value *ucontrol) {
1820 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1821 hpi_aesebu_transmitter_set_format);
1825 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1826 struct hpi_control *hpi_ctl)
1828 struct snd_card *card = asihpi->card;
1829 struct snd_kcontrol_new snd_control;
1831 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1832 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1833 snd_control.info = snd_asihpi_aesebu_format_info;
1834 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1835 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1837 return ctl_add(card, &snd_control, asihpi);
1840 /*------------------------------------------------------------
1842 ------------------------------------------------------------*/
1846 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1847 struct snd_ctl_elem_info *uinfo)
1849 u32 h_control = kcontrol->private_value;
1854 for (idx = 0; idx < 3; idx++) {
1855 err = hpi_tuner_query_gain(h_control,
1856 idx, &gain_range[idx]);
1861 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1863 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1864 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1865 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1869 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1870 struct snd_ctl_elem_value *ucontrol)
1873 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1875 u32 h_control = kcontrol->private_value;
1878 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1879 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1884 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1885 struct snd_ctl_elem_value *ucontrol)
1888 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1890 u32 h_control = kcontrol->private_value;
1893 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1894 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1901 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1902 u16 *band_list, u32 len) {
1903 u32 h_control = kcontrol->private_value;
1907 for (i = 0; i < len; i++) {
1908 err = hpi_tuner_query_band(
1909 h_control, i, &band_list[i]);
1914 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1920 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1921 struct snd_ctl_elem_info *uinfo)
1923 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1926 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1927 HPI_TUNER_BAND_LAST);
1932 return snd_ctl_enum_info(uinfo, 1, num_bands, asihpi_tuner_band_names);
1935 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1936 struct snd_ctl_elem_value *ucontrol)
1938 u32 h_control = kcontrol->private_value;
1940 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1943 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1946 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1947 HPI_TUNER_BAND_LAST);
1949 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1951 ucontrol->value.enumerated.item[0] = -1;
1952 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1953 if (tuner_bands[idx] == band) {
1954 ucontrol->value.enumerated.item[0] = idx;
1961 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1962 struct snd_ctl_elem_value *ucontrol)
1965 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1967 u32 h_control = kcontrol->private_value;
1970 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1973 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1974 HPI_TUNER_BAND_LAST);
1976 idx = ucontrol->value.enumerated.item[0];
1977 if (idx >= ARRAY_SIZE(tuner_bands))
1978 idx = ARRAY_SIZE(tuner_bands) - 1;
1979 band = tuner_bands[idx];
1980 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1987 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1988 struct snd_ctl_elem_info *uinfo)
1990 u32 h_control = kcontrol->private_value;
1992 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1993 u16 num_bands = 0, band_iter, idx;
1994 u32 freq_range[3], temp_freq_range[3];
1996 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1997 HPI_TUNER_BAND_LAST);
1999 freq_range[0] = INT_MAX;
2001 freq_range[2] = INT_MAX;
2003 for (band_iter = 0; band_iter < num_bands; band_iter++) {
2004 for (idx = 0; idx < 3; idx++) {
2005 err = hpi_tuner_query_frequency(h_control,
2006 idx, tuner_bands[band_iter],
2007 &temp_freq_range[idx]);
2012 /* skip band with bogus stepping */
2013 if (temp_freq_range[2] <= 0)
2016 if (temp_freq_range[0] < freq_range[0])
2017 freq_range[0] = temp_freq_range[0];
2018 if (temp_freq_range[1] > freq_range[1])
2019 freq_range[1] = temp_freq_range[1];
2020 if (temp_freq_range[2] < freq_range[2])
2021 freq_range[2] = temp_freq_range[2];
2024 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2026 uinfo->value.integer.min = ((int)freq_range[0]);
2027 uinfo->value.integer.max = ((int)freq_range[1]);
2028 uinfo->value.integer.step = ((int)freq_range[2]);
2032 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
2033 struct snd_ctl_elem_value *ucontrol)
2035 u32 h_control = kcontrol->private_value;
2038 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
2039 ucontrol->value.integer.value[0] = freq;
2044 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
2045 struct snd_ctl_elem_value *ucontrol)
2047 u32 h_control = kcontrol->private_value;
2050 freq = ucontrol->value.integer.value[0];
2051 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
2056 /* Tuner control group initializer */
2057 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2058 struct hpi_control *hpi_ctl)
2060 struct snd_card *card = asihpi->card;
2061 struct snd_kcontrol_new snd_control;
2063 snd_control.private_value = hpi_ctl->h_control;
2064 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2066 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2067 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2068 snd_control.info = snd_asihpi_tuner_gain_info;
2069 snd_control.get = snd_asihpi_tuner_gain_get;
2070 snd_control.put = snd_asihpi_tuner_gain_put;
2072 if (ctl_add(card, &snd_control, asihpi) < 0)
2076 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2077 snd_control.info = snd_asihpi_tuner_band_info;
2078 snd_control.get = snd_asihpi_tuner_band_get;
2079 snd_control.put = snd_asihpi_tuner_band_put;
2081 if (ctl_add(card, &snd_control, asihpi) < 0)
2084 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2085 snd_control.info = snd_asihpi_tuner_freq_info;
2086 snd_control.get = snd_asihpi_tuner_freq_get;
2087 snd_control.put = snd_asihpi_tuner_freq_put;
2089 return ctl_add(card, &snd_control, asihpi);
2092 /*------------------------------------------------------------
2094 ------------------------------------------------------------*/
2095 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2096 struct snd_ctl_elem_info *uinfo)
2098 u32 h_control = kcontrol->private_value;
2101 err = hpi_meter_query_channels(h_control, &count);
2103 count = HPI_MAX_CHANNELS;
2105 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2106 uinfo->count = count;
2107 uinfo->value.integer.min = 0;
2108 uinfo->value.integer.max = 0x7FFFFFFF;
2112 /* linear values for 10dB steps */
2113 static int log2lin[] = {
2114 0x7FFFFFFF, /* 0dB */
2120 2147484, /* -60dB */
2135 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2136 struct snd_ctl_elem_value *ucontrol)
2138 u32 h_control = kcontrol->private_value;
2139 short an_gain_mB[HPI_MAX_CHANNELS], i;
2142 err = hpi_meter_get_peak(h_control, an_gain_mB);
2144 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2146 ucontrol->value.integer.value[i] = 0;
2147 } else if (an_gain_mB[i] >= 0) {
2148 ucontrol->value.integer.value[i] =
2149 an_gain_mB[i] << 16;
2151 /* -ve is log value in millibels < -60dB,
2152 * convert to (roughly!) linear,
2154 ucontrol->value.integer.value[i] =
2155 log2lin[an_gain_mB[i] / -1000];
2161 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2162 struct hpi_control *hpi_ctl, int subidx)
2164 struct snd_card *card = asihpi->card;
2165 struct snd_kcontrol_new snd_control;
2167 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2168 snd_control.access =
2169 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2170 snd_control.info = snd_asihpi_meter_info;
2171 snd_control.get = snd_asihpi_meter_get;
2173 snd_control.index = subidx;
2175 return ctl_add(card, &snd_control, asihpi);
2178 /*------------------------------------------------------------
2179 Multiplexer controls
2180 ------------------------------------------------------------*/
2181 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2183 u32 h_control = snd_control->private_value;
2184 struct hpi_control hpi_ctl;
2186 for (s = 0; s < 32; s++) {
2187 err = hpi_multiplexer_query_source(h_control, s,
2198 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2199 struct snd_ctl_elem_info *uinfo)
2202 u16 src_node_type, src_node_index;
2203 u32 h_control = kcontrol->private_value;
2205 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2207 uinfo->value.enumerated.items =
2208 snd_card_asihpi_mux_count_sources(kcontrol);
2210 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2211 uinfo->value.enumerated.item =
2212 uinfo->value.enumerated.items - 1;
2215 hpi_multiplexer_query_source(h_control,
2216 uinfo->value.enumerated.item,
2217 &src_node_type, &src_node_index);
2219 sprintf(uinfo->value.enumerated.name, "%s %d",
2220 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2225 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2226 struct snd_ctl_elem_value *ucontrol)
2228 u32 h_control = kcontrol->private_value;
2229 u16 source_type, source_index;
2230 u16 src_node_type, src_node_index;
2233 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2234 &source_type, &source_index));
2235 /* Should cache this search result! */
2236 for (s = 0; s < 256; s++) {
2237 if (hpi_multiplexer_query_source(h_control, s,
2238 &src_node_type, &src_node_index))
2241 if ((source_type == src_node_type)
2242 && (source_index == src_node_index)) {
2243 ucontrol->value.enumerated.item[0] = s;
2247 snd_printd(KERN_WARNING
2248 "Control %x failed to match mux source %hu %hu\n",
2249 h_control, source_type, source_index);
2250 ucontrol->value.enumerated.item[0] = 0;
2254 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2255 struct snd_ctl_elem_value *ucontrol)
2258 u32 h_control = kcontrol->private_value;
2259 u16 source_type, source_index;
2264 e = hpi_multiplexer_query_source(h_control,
2265 ucontrol->value.enumerated.item[0],
2266 &source_type, &source_index);
2269 hpi_multiplexer_set_source(h_control,
2270 source_type, source_index));
2275 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2276 struct hpi_control *hpi_ctl)
2278 struct snd_card *card = asihpi->card;
2279 struct snd_kcontrol_new snd_control;
2281 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2282 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2283 snd_control.info = snd_asihpi_mux_info;
2284 snd_control.get = snd_asihpi_mux_get;
2285 snd_control.put = snd_asihpi_mux_put;
2287 return ctl_add(card, &snd_control, asihpi);
2291 /*------------------------------------------------------------
2292 Channel mode controls
2293 ------------------------------------------------------------*/
2294 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2295 struct snd_ctl_elem_info *uinfo)
2297 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2300 "From Left", "From Right",
2301 "To Left", "To Right"
2304 u32 h_control = kcontrol->private_value;
2307 const char *mapped_names[6];
2308 int valid_modes = 0;
2310 /* HPI channel mode values can be from 1 to 6
2311 Some adapters only support a contiguous subset
2313 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2314 if (!hpi_channel_mode_query_mode(
2315 h_control, i, &mode)) {
2316 mapped_names[valid_modes] = mode_names[mode];
2323 return snd_ctl_enum_info(uinfo, 1, valid_modes, mapped_names);
2326 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2327 struct snd_ctl_elem_value *ucontrol)
2329 u32 h_control = kcontrol->private_value;
2332 if (hpi_channel_mode_get(h_control, &mode))
2335 ucontrol->value.enumerated.item[0] = mode - 1;
2340 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2341 struct snd_ctl_elem_value *ucontrol)
2344 u32 h_control = kcontrol->private_value;
2348 hpi_handle_error(hpi_channel_mode_set(h_control,
2349 ucontrol->value.enumerated.item[0] + 1));
2354 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2355 struct hpi_control *hpi_ctl)
2357 struct snd_card *card = asihpi->card;
2358 struct snd_kcontrol_new snd_control;
2360 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2361 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2362 snd_control.info = snd_asihpi_cmode_info;
2363 snd_control.get = snd_asihpi_cmode_get;
2364 snd_control.put = snd_asihpi_cmode_put;
2366 return ctl_add(card, &snd_control, asihpi);
2369 /*------------------------------------------------------------
2370 Sampleclock source controls
2371 ------------------------------------------------------------*/
2372 static const char * const sampleclock_sources[] = {
2373 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2374 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2375 "Prev Module", "BLU-Link",
2376 "Digital2", "Digital3", "Digital4", "Digital5",
2377 "Digital6", "Digital7", "Digital8"};
2379 /* Number of strings must match expected enumerated values */
2380 compile_time_assert(
2381 (ARRAY_SIZE(sampleclock_sources) == MAX_CLOCKSOURCES),
2382 assert_sampleclock_sources_size);
2384 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2385 struct snd_ctl_elem_info *uinfo)
2387 struct snd_card_asihpi *asihpi =
2388 (struct snd_card_asihpi *)(kcontrol->private_data);
2389 struct clk_cache *clkcache = &asihpi->cc;
2390 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2392 uinfo->value.enumerated.items = clkcache->count;
2394 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2395 uinfo->value.enumerated.item =
2396 uinfo->value.enumerated.items - 1;
2398 strcpy(uinfo->value.enumerated.name,
2399 clkcache->s[uinfo->value.enumerated.item].name);
2403 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2404 struct snd_ctl_elem_value *ucontrol)
2406 struct snd_card_asihpi *asihpi =
2407 (struct snd_card_asihpi *)(kcontrol->private_data);
2408 struct clk_cache *clkcache = &asihpi->cc;
2409 u32 h_control = kcontrol->private_value;
2410 u16 source, srcindex = 0;
2413 ucontrol->value.enumerated.item[0] = 0;
2414 if (hpi_sample_clock_get_source(h_control, &source))
2417 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2418 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2421 for (i = 0; i < clkcache->count; i++)
2422 if ((clkcache->s[i].source == source) &&
2423 (clkcache->s[i].index == srcindex))
2426 ucontrol->value.enumerated.item[0] = i;
2431 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2432 struct snd_ctl_elem_value *ucontrol)
2434 struct snd_card_asihpi *asihpi =
2435 (struct snd_card_asihpi *)(kcontrol->private_data);
2436 struct clk_cache *clkcache = &asihpi->cc;
2439 u32 h_control = kcontrol->private_value;
2442 item = ucontrol->value.enumerated.item[0];
2443 if (item >= clkcache->count)
2444 item = clkcache->count-1;
2446 hpi_handle_error(hpi_sample_clock_set_source(
2447 h_control, clkcache->s[item].source));
2449 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2450 hpi_handle_error(hpi_sample_clock_set_source_index(
2451 h_control, clkcache->s[item].index));
2455 /*------------------------------------------------------------
2457 ------------------------------------------------------------*/
2458 /* Need to change this to enumerated control with list of rates */
2459 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2460 struct snd_ctl_elem_info *uinfo)
2462 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2464 uinfo->value.integer.min = 8000;
2465 uinfo->value.integer.max = 192000;
2466 uinfo->value.integer.step = 100;
2471 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2472 struct snd_ctl_elem_value *ucontrol)
2474 u32 h_control = kcontrol->private_value;
2478 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2480 ucontrol->value.integer.value[0] = rate;
2482 ucontrol->value.integer.value[0] = 0;
2486 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2487 struct snd_ctl_elem_value *ucontrol)
2490 u32 h_control = kcontrol->private_value;
2492 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2493 asihpi->mixer_clkrate[addr][1] != right;
2496 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2497 ucontrol->value.integer.value[0]));
2501 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2502 struct snd_ctl_elem_info *uinfo)
2504 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2506 uinfo->value.integer.min = 8000;
2507 uinfo->value.integer.max = 192000;
2508 uinfo->value.integer.step = 100;
2513 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2514 struct snd_ctl_elem_value *ucontrol)
2516 u32 h_control = kcontrol->private_value;
2520 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2522 ucontrol->value.integer.value[0] = rate;
2524 ucontrol->value.integer.value[0] = 0;
2528 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2529 struct hpi_control *hpi_ctl)
2531 struct snd_card *card;
2532 struct snd_kcontrol_new snd_control;
2534 struct clk_cache *clkcache;
2535 u32 hSC = hpi_ctl->h_control;
2540 if (snd_BUG_ON(!asihpi))
2542 card = asihpi->card;
2543 clkcache = &asihpi->cc;
2544 snd_control.private_value = hpi_ctl->h_control;
2546 clkcache->has_local = 0;
2548 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2549 if (hpi_sample_clock_query_source(hSC,
2552 clkcache->s[i].source = source;
2553 clkcache->s[i].index = 0;
2554 clkcache->s[i].name = sampleclock_sources[source];
2555 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2557 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2558 clkcache->has_local = 1;
2561 /* already will have picked up index 0 above */
2562 for (j = 1; j < 8; j++) {
2563 if (hpi_sample_clock_query_source_index(hSC,
2564 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2567 clkcache->s[i].source =
2568 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2569 clkcache->s[i].index = j;
2570 clkcache->s[i].name = sampleclock_sources[
2571 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2574 clkcache->count = i;
2576 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2577 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2578 snd_control.info = snd_asihpi_clksrc_info;
2579 snd_control.get = snd_asihpi_clksrc_get;
2580 snd_control.put = snd_asihpi_clksrc_put;
2581 if (ctl_add(card, &snd_control, asihpi) < 0)
2585 if (clkcache->has_local) {
2586 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2587 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2588 snd_control.info = snd_asihpi_clklocal_info;
2589 snd_control.get = snd_asihpi_clklocal_get;
2590 snd_control.put = snd_asihpi_clklocal_put;
2593 if (ctl_add(card, &snd_control, asihpi) < 0)
2597 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2598 snd_control.access =
2599 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2600 snd_control.info = snd_asihpi_clkrate_info;
2601 snd_control.get = snd_asihpi_clkrate_get;
2603 return ctl_add(card, &snd_control, asihpi);
2605 /*------------------------------------------------------------
2607 ------------------------------------------------------------*/
2609 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2611 struct snd_card *card;
2612 unsigned int idx = 0;
2613 unsigned int subindex = 0;
2615 struct hpi_control hpi_ctl, prev_ctl;
2617 if (snd_BUG_ON(!asihpi))
2619 card = asihpi->card;
2620 strcpy(card->mixername, "Asihpi Mixer");
2623 hpi_mixer_open(asihpi->hpi->adapter->index,
2625 hpi_handle_error(err);
2629 memset(&prev_ctl, 0, sizeof(prev_ctl));
2630 prev_ctl.control_type = -1;
2632 for (idx = 0; idx < 2000; idx++) {
2633 err = hpi_mixer_get_control_by_index(
2636 &hpi_ctl.src_node_type,
2637 &hpi_ctl.src_node_index,
2638 &hpi_ctl.dst_node_type,
2639 &hpi_ctl.dst_node_index,
2640 &hpi_ctl.control_type,
2641 &hpi_ctl.h_control);
2643 if (err == HPI_ERROR_CONTROL_DISABLED) {
2645 dev_info(&asihpi->pci->dev,
2646 "Disabled HPI Control(%d)\n",
2654 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2655 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2657 /* ASI50xx in SSX mode has multiple meters on the same node.
2658 Use subindex to create distinct ALSA controls
2659 for any duplicated controls.
2661 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2662 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2663 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2664 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2665 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2672 switch (hpi_ctl.control_type) {
2673 case HPI_CONTROL_VOLUME:
2674 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2676 case HPI_CONTROL_LEVEL:
2677 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2679 case HPI_CONTROL_MULTIPLEXER:
2680 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2682 case HPI_CONTROL_CHANNEL_MODE:
2683 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2685 case HPI_CONTROL_METER:
2686 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2688 case HPI_CONTROL_SAMPLECLOCK:
2689 err = snd_asihpi_sampleclock_add(
2692 case HPI_CONTROL_CONNECTION: /* ignore these */
2694 case HPI_CONTROL_TUNER:
2695 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2697 case HPI_CONTROL_AESEBU_TRANSMITTER:
2698 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2700 case HPI_CONTROL_AESEBU_RECEIVER:
2701 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2703 case HPI_CONTROL_VOX:
2704 case HPI_CONTROL_BITSTREAM:
2705 case HPI_CONTROL_MICROPHONE:
2706 case HPI_CONTROL_PARAMETRIC_EQ:
2707 case HPI_CONTROL_COMPANDER:
2710 dev_info(&asihpi->pci->dev,
2711 "Untranslated HPI Control (%d) %d %d %d %d %d\n",
2713 hpi_ctl.control_type,
2714 hpi_ctl.src_node_type,
2715 hpi_ctl.src_node_index,
2716 hpi_ctl.dst_node_type,
2717 hpi_ctl.dst_node_index);
2723 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2724 hpi_handle_error(err);
2726 dev_info(&asihpi->pci->dev, "%d mixer controls found\n", idx);
2731 /*------------------------------------------------------------
2733 ------------------------------------------------------------*/
2736 snd_asihpi_proc_read(struct snd_info_entry *entry,
2737 struct snd_info_buffer *buffer)
2739 struct snd_card_asihpi *asihpi = entry->private_data;
2752 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2754 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2755 &num_outstreams, &num_instreams,
2756 &version, &serial_number, &type));
2759 "Adapter type ASI%4X\nHardware Index %d\n"
2760 "%d outstreams\n%d instreams\n",
2761 type, asihpi->hpi->adapter->index,
2762 num_outstreams, num_instreams);
2765 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2766 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2767 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2769 err = hpi_mixer_get_control(asihpi->h_mixer,
2770 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2771 HPI_CONTROL_SAMPLECLOCK, &h_control);
2774 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2775 err += hpi_sample_clock_get_source(h_control, &source);
2778 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2779 rate, sampleclock_sources[source]);
2783 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2785 struct snd_info_entry *entry;
2787 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2788 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2791 /*------------------------------------------------------------
2793 ------------------------------------------------------------*/
2795 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2797 if (enable_hpi_hwdep)
2804 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2806 if (enable_hpi_hwdep)
2807 return asihpi_hpi_release(file);
2812 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2813 unsigned int cmd, unsigned long arg)
2815 if (enable_hpi_hwdep)
2816 return asihpi_hpi_ioctl(file, cmd, arg);
2822 /* results in /dev/snd/hwC#D0 file for each card with index #
2823 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2825 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, int device)
2827 struct snd_hwdep *hw;
2830 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2833 strcpy(hw->name, "asihpi (HPI)");
2834 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2835 hw->ops.open = snd_asihpi_hpi_open;
2836 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2837 hw->ops.release = snd_asihpi_hpi_release;
2838 hw->private_data = asihpi;
2842 /*------------------------------------------------------------
2844 ------------------------------------------------------------*/
2845 static int snd_asihpi_probe(struct pci_dev *pci_dev,
2846 const struct pci_device_id *pci_id)
2849 struct hpi_adapter *hpi;
2850 struct snd_card *card;
2851 struct snd_card_asihpi *asihpi;
2858 if (dev >= SNDRV_CARDS)
2861 /* Should this be enable[hpi->index] ? */
2867 /* Initialise low-level HPI driver */
2868 err = asihpi_adapter_probe(pci_dev, pci_id);
2872 hpi = pci_get_drvdata(pci_dev);
2873 adapter_index = hpi->adapter->index;
2874 /* first try to give the card the same index as its hardware index */
2875 err = snd_card_new(&pci_dev->dev, adapter_index, id[adapter_index],
2876 THIS_MODULE, sizeof(struct snd_card_asihpi), &card);
2878 /* if that fails, try the default index==next available */
2879 err = snd_card_new(&pci_dev->dev, index[dev], id[dev],
2880 THIS_MODULE, sizeof(struct snd_card_asihpi),
2884 dev_warn(&pci_dev->dev, "Adapter index %d->ALSA index %d\n",
2885 adapter_index, card->number);
2888 asihpi = card->private_data;
2889 asihpi->card = card;
2890 asihpi->pci = pci_dev;
2892 hpi->snd_card = card;
2894 err = hpi_adapter_get_property(adapter_index,
2895 HPI_ADAPTER_PROPERTY_CAPS1,
2896 NULL, &asihpi->support_grouping);
2898 asihpi->support_grouping = 0;
2900 err = hpi_adapter_get_property(adapter_index,
2901 HPI_ADAPTER_PROPERTY_CAPS2,
2902 &asihpi->support_mrx, NULL);
2904 asihpi->support_mrx = 0;
2906 err = hpi_adapter_get_property(adapter_index,
2907 HPI_ADAPTER_PROPERTY_INTERVAL,
2908 NULL, &asihpi->update_interval_frames);
2910 asihpi->update_interval_frames = 512;
2912 if (hpi->interrupt_mode) {
2913 asihpi->pcm_start = snd_card_asihpi_pcm_int_start;
2914 asihpi->pcm_stop = snd_card_asihpi_pcm_int_stop;
2915 tasklet_init(&asihpi->t, snd_card_asihpi_int_task,
2916 (unsigned long)hpi);
2917 hpi->interrupt_callback = snd_card_asihpi_isr;
2919 asihpi->pcm_start = snd_card_asihpi_pcm_timer_start;
2920 asihpi->pcm_stop = snd_card_asihpi_pcm_timer_stop;
2923 hpi_handle_error(hpi_instream_open(adapter_index,
2926 err = hpi_instream_host_buffer_free(h_stream);
2927 asihpi->can_dma = (!err);
2929 hpi_handle_error(hpi_instream_close(h_stream));
2931 if (!asihpi->can_dma)
2932 asihpi->update_interval_frames *= 2;
2934 err = hpi_adapter_get_property(adapter_index,
2935 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2936 &asihpi->in_max_chans, &asihpi->out_max_chans);
2938 asihpi->in_max_chans = 2;
2939 asihpi->out_max_chans = 2;
2942 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2943 asihpi->out_min_chans = asihpi->out_max_chans;
2944 asihpi->in_min_chans = asihpi->in_max_chans;
2945 asihpi->support_grouping = 0;
2947 asihpi->out_min_chans = 1;
2948 asihpi->in_min_chans = 1;
2951 dev_info(&pci_dev->dev, "Has dma:%d, grouping:%d, mrx:%d, uif:%d\n",
2953 asihpi->support_grouping,
2954 asihpi->support_mrx,
2955 asihpi->update_interval_frames
2958 err = snd_card_asihpi_pcm_new(asihpi, 0);
2960 dev_err(&pci_dev->dev, "pcm_new failed\n");
2963 err = snd_card_asihpi_mixer_new(asihpi);
2965 dev_err(&pci_dev->dev, "mixer_new failed\n");
2969 err = hpi_mixer_get_control(asihpi->h_mixer,
2970 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2971 HPI_CONTROL_SAMPLECLOCK, &h_control);
2974 err = hpi_sample_clock_set_local_rate(
2975 h_control, adapter_fs);
2977 snd_asihpi_proc_init(asihpi);
2979 /* always create, can be enabled or disabled dynamically
2980 by enable_hwdep module param*/
2981 snd_asihpi_hpi_new(asihpi, 0);
2983 strcpy(card->driver, "ASIHPI");
2985 sprintf(card->shortname, "AudioScience ASI%4X",
2986 asihpi->hpi->adapter->type);
2987 sprintf(card->longname, "%s %i",
2988 card->shortname, adapter_index);
2989 err = snd_card_register(card);
2996 snd_card_free(card);
2997 dev_err(&pci_dev->dev, "snd_asihpi_probe error %d\n", err);
3002 static void snd_asihpi_remove(struct pci_dev *pci_dev)
3004 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
3005 struct snd_card_asihpi *asihpi = hpi->snd_card->private_data;
3007 /* Stop interrupts */
3008 if (hpi->interrupt_mode) {
3009 hpi->interrupt_callback = NULL;
3010 hpi_handle_error(hpi_adapter_set_property(hpi->adapter->index,
3011 HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0));
3012 tasklet_kill(&asihpi->t);
3015 snd_card_free(hpi->snd_card);
3016 hpi->snd_card = NULL;
3017 asihpi_adapter_remove(pci_dev);
3020 static const struct pci_device_id asihpi_pci_tbl[] = {
3021 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
3022 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3023 (kernel_ulong_t)HPI_6205},
3024 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
3025 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3026 (kernel_ulong_t)HPI_6000},
3029 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
3031 static struct pci_driver driver = {
3032 .name = KBUILD_MODNAME,
3033 .id_table = asihpi_pci_tbl,
3034 .probe = snd_asihpi_probe,
3035 .remove = snd_asihpi_remove,
3038 static int __init snd_asihpi_init(void)
3041 return pci_register_driver(&driver);
3044 static void __exit snd_asihpi_exit(void)
3047 pci_unregister_driver(&driver);
3051 module_init(snd_asihpi_init)
3052 module_exit(snd_asihpi_exit)