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, S_IRUGO);
73 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
75 module_param_array(id, charp, NULL, S_IRUGO);
76 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
78 module_param_array(enable, bool, NULL, S_IRUGO);
79 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
81 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
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, S_IRUGO);
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, S_IRUGO);
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 static snd_pcm_format_t hpi_to_alsa_formats[] = {
316 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
317 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
318 -1, /* HPI_FORMAT_MPEG_L1 3 */
319 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
320 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
321 -1, /* HPI_FORMAT_DOLBY_AC2 6 */
322 -1, /* HPI_FORMAT_DOLBY_AC3 7 */
323 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
324 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
325 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
326 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
327 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
328 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
329 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
331 /* ALSA can't handle 3 byte sample size together with power-of-2
332 * constraint on buffer_bytes, so disable this format
336 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
341 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
346 for (format = HPI_FORMAT_PCM8_UNSIGNED;
347 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
348 if (hpi_to_alsa_formats[format] == alsa_format) {
349 *hpi_format = format;
354 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
360 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
361 struct snd_pcm_hardware *pcmhw)
367 unsigned int rate_min = 200000;
368 unsigned int rate_max = 0;
369 unsigned int rates = 0;
371 if (asihpi->support_mrx) {
372 rates |= SNDRV_PCM_RATE_CONTINUOUS;
373 rates |= SNDRV_PCM_RATE_8000_96000;
377 /* on cards without SRC,
378 valid rates are determined by sampleclock */
379 err = hpi_mixer_get_control(asihpi->h_mixer,
380 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
381 HPI_CONTROL_SAMPLECLOCK, &h_control);
383 dev_err(&asihpi->pci->dev,
384 "No local sampleclock, err %d\n", err);
387 for (idx = -1; idx < 100; idx++) {
389 if (hpi_sample_clock_get_sample_rate(h_control,
392 } else if (hpi_sample_clock_query_local_rate(h_control,
393 idx, &sample_rate)) {
397 rate_min = min(rate_min, sample_rate);
398 rate_max = max(rate_max, sample_rate);
400 switch (sample_rate) {
402 rates |= SNDRV_PCM_RATE_5512;
405 rates |= SNDRV_PCM_RATE_8000;
408 rates |= SNDRV_PCM_RATE_11025;
411 rates |= SNDRV_PCM_RATE_16000;
414 rates |= SNDRV_PCM_RATE_22050;
417 rates |= SNDRV_PCM_RATE_32000;
420 rates |= SNDRV_PCM_RATE_44100;
423 rates |= SNDRV_PCM_RATE_48000;
426 rates |= SNDRV_PCM_RATE_64000;
429 rates |= SNDRV_PCM_RATE_88200;
432 rates |= SNDRV_PCM_RATE_96000;
435 rates |= SNDRV_PCM_RATE_176400;
438 rates |= SNDRV_PCM_RATE_192000;
440 default: /* some other rate */
441 rates |= SNDRV_PCM_RATE_KNOT;
446 pcmhw->rates = rates;
447 pcmhw->rate_min = rate_min;
448 pcmhw->rate_max = rate_max;
451 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
452 struct snd_pcm_hw_params *params)
454 struct snd_pcm_runtime *runtime = substream->runtime;
455 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
456 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
460 unsigned int bytes_per_sec;
462 print_hwparams(substream, params);
463 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
466 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
470 hpi_handle_error(hpi_format_create(&dpcm->format,
471 params_channels(params),
472 format, params_rate(params), 0, 0));
474 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
475 if (hpi_instream_reset(dpcm->h_stream) != 0)
478 if (hpi_instream_set_format(
479 dpcm->h_stream, &dpcm->format) != 0)
483 dpcm->hpi_buffer_attached = 0;
485 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
486 params_buffer_bytes(params), runtime->dma_addr);
489 "stream_host_buffer_attach success %u %lu\n",
490 params_buffer_bytes(params),
491 (unsigned long)runtime->dma_addr);
493 snd_printd("stream_host_buffer_attach error %d\n",
498 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
499 &dpcm->hpi_buffer_attached, NULL, NULL, NULL);
501 bytes_per_sec = params_rate(params) * params_channels(params);
502 width = snd_pcm_format_width(params_format(params));
503 bytes_per_sec *= width;
505 if (width < 0 || bytes_per_sec == 0)
508 dpcm->bytes_per_sec = bytes_per_sec;
509 dpcm->buffer_bytes = params_buffer_bytes(params);
510 dpcm->period_bytes = params_period_bytes(params);
516 snd_card_asihpi_hw_free(struct snd_pcm_substream *substream)
518 struct snd_pcm_runtime *runtime = substream->runtime;
519 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
520 if (dpcm->hpi_buffer_attached)
521 hpi_stream_host_buffer_detach(dpcm->h_stream);
523 snd_pcm_lib_free_pages(substream);
527 static void snd_card_asihpi_runtime_free(struct snd_pcm_runtime *runtime)
529 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
533 static void snd_card_asihpi_pcm_timer_start(struct snd_pcm_substream *
536 struct snd_pcm_runtime *runtime = substream->runtime;
537 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
542 expiry = max(expiry, 1); /* don't let it be zero! */
543 mod_timer(&dpcm->timer, jiffies + expiry);
544 dpcm->respawn_timer = 1;
547 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
549 struct snd_pcm_runtime *runtime = substream->runtime;
550 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
552 dpcm->respawn_timer = 0;
553 del_timer(&dpcm->timer);
556 static void snd_card_asihpi_pcm_int_start(struct snd_pcm_substream *substream)
558 struct snd_card_asihpi_pcm *dpcm;
559 struct snd_card_asihpi *card;
561 dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
562 card = snd_pcm_substream_chip(substream);
564 WARN_ON(in_interrupt());
565 tasklet_disable(&card->t);
566 card->llmode_streampriv = dpcm;
567 tasklet_enable(&card->t);
569 hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index,
570 HPI_ADAPTER_PROPERTY_IRQ_RATE,
571 card->update_interval_frames, 0));
574 static void snd_card_asihpi_pcm_int_stop(struct snd_pcm_substream *substream)
576 struct snd_card_asihpi_pcm *dpcm;
577 struct snd_card_asihpi *card;
579 dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
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(unsigned long data)
754 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
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;
866 runtime = s->runtime;
868 /* don't link Cap and Play */
869 if (substream->stream != s->stream)
872 /* Store dma offset for use by pointer callback */
873 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
876 /* Limit use of on card fifo for playback */
877 ((on_card_bytes <= ds->period_bytes) ||
878 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
882 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
883 unsigned int xfer1, xfer2;
884 char *pd = &s->runtime->dma_area[buf_ofs];
886 if (card->can_dma) { /* buffer wrap is handled at lower level */
890 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
891 xfer2 = xfercount - xfer1;
894 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
895 snd_printddd("write1, P=%d, xfer=%d, buf_ofs=%d\n",
896 s->number, xfer1, buf_ofs);
898 hpi_outstream_write_buf(
899 ds->h_stream, pd, xfer1,
903 pd = s->runtime->dma_area;
905 snd_printddd("write2, P=%d, xfer=%d, buf_ofs=%d\n",
907 xfercount - xfer1, buf_ofs);
909 hpi_outstream_write_buf(
915 snd_printddd("read1, C=%d, xfer=%d\n",
918 hpi_instream_read_buf(
922 pd = s->runtime->dma_area;
923 snd_printddd("read2, C=%d, xfer=%d\n",
926 hpi_instream_read_buf(
931 /* ? host_rw_ofs always ahead of elapsed_dma_ofs by preload size? */
932 ds->pcm_buf_host_rw_ofs += xfercount;
933 ds->pcm_buf_elapsed_dma_ofs += xfercount;
934 snd_pcm_period_elapsed(s);
938 if (!card->hpi->interrupt_mode && dpcm->respawn_timer)
939 add_timer(&dpcm->timer);
942 static void snd_card_asihpi_int_task(unsigned long data)
944 struct hpi_adapter *a = (struct hpi_adapter *)data;
945 struct snd_card_asihpi *asihpi;
947 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
948 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
949 if (asihpi->llmode_streampriv)
950 snd_card_asihpi_timer_function(
951 (unsigned long)asihpi->llmode_streampriv);
954 static void snd_card_asihpi_isr(struct hpi_adapter *a)
956 struct snd_card_asihpi *asihpi;
958 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
959 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
960 tasklet_schedule(&asihpi->t);
963 /***************************** PLAYBACK OPS ****************/
964 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
965 unsigned int cmd, void *arg)
968 snd_pcm_debug_name(substream, name, sizeof(name));
969 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
970 return snd_pcm_lib_ioctl(substream, cmd, arg);
973 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
976 struct snd_pcm_runtime *runtime = substream->runtime;
977 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
979 snd_printdd("P%d prepare\n", substream->number);
981 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
982 dpcm->pcm_buf_host_rw_ofs = 0;
983 dpcm->pcm_buf_dma_ofs = 0;
984 dpcm->pcm_buf_elapsed_dma_ofs = 0;
988 static snd_pcm_uframes_t
989 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
991 struct snd_pcm_runtime *runtime = substream->runtime;
992 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
993 snd_pcm_uframes_t ptr;
995 snd_pcm_debug_name(substream, name, sizeof(name));
997 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
998 snd_printddd("%s, pointer=%ld\n", name, (unsigned long)ptr);
1002 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
1005 struct hpi_format hpi_format;
1009 u32 sample_rate = 48000;
1012 /* on cards without SRC, must query at valid rate,
1013 * maybe set by external sync
1015 err = hpi_mixer_get_control(asihpi->h_mixer,
1016 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1017 HPI_CONTROL_SAMPLECLOCK, &h_control);
1020 err = hpi_sample_clock_get_sample_rate(h_control,
1023 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1024 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1025 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
1026 format, sample_rate, 128000, 0);
1028 err = hpi_outstream_query_format(h_stream, &hpi_format);
1029 if (!err && (hpi_to_alsa_formats[format] != -1))
1030 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1035 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
1037 struct snd_pcm_runtime *runtime = substream->runtime;
1038 struct snd_card_asihpi_pcm *dpcm;
1039 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1040 struct snd_pcm_hardware snd_card_asihpi_playback;
1043 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1047 err = hpi_outstream_open(card->hpi->adapter->index,
1048 substream->number, &dpcm->h_stream);
1049 hpi_handle_error(err);
1052 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1057 /*? also check ASI5000 samplerate source
1058 If external, only support external rate.
1059 If internal and other stream playing, can't switch
1062 setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
1063 (unsigned long) dpcm);
1064 dpcm->substream = substream;
1065 runtime->private_data = dpcm;
1066 runtime->private_free = snd_card_asihpi_runtime_free;
1068 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1069 if (!card->hpi->interrupt_mode) {
1070 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1071 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1072 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1073 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1074 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1076 size_t pbmin = card->update_interval_frames *
1077 card->out_max_chans;
1078 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1079 snd_card_asihpi_playback.period_bytes_min = pbmin;
1080 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1081 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1082 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / pbmin;
1085 /* snd_card_asihpi_playback.fifo_size = 0; */
1086 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1087 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1088 snd_card_asihpi_playback.formats =
1089 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1091 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1093 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1094 SNDRV_PCM_INFO_DOUBLE |
1095 SNDRV_PCM_INFO_BATCH |
1096 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1097 SNDRV_PCM_INFO_PAUSE |
1098 SNDRV_PCM_INFO_MMAP |
1099 SNDRV_PCM_INFO_MMAP_VALID;
1101 if (card->support_grouping) {
1102 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1103 snd_pcm_set_sync(substream);
1106 /* struct is copied, so can create initializer dynamically */
1107 runtime->hw = snd_card_asihpi_playback;
1110 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1111 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1115 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1116 card->update_interval_frames);
1118 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1119 card->update_interval_frames, UINT_MAX);
1121 snd_printdd("playback open\n");
1126 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1128 struct snd_pcm_runtime *runtime = substream->runtime;
1129 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1131 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1132 snd_printdd("playback close\n");
1137 static const struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1138 .open = snd_card_asihpi_playback_open,
1139 .close = snd_card_asihpi_playback_close,
1140 .ioctl = snd_card_asihpi_playback_ioctl,
1141 .hw_params = snd_card_asihpi_pcm_hw_params,
1142 .hw_free = snd_card_asihpi_hw_free,
1143 .prepare = snd_card_asihpi_playback_prepare,
1144 .trigger = snd_card_asihpi_trigger,
1145 .pointer = snd_card_asihpi_playback_pointer,
1148 /***************************** CAPTURE OPS ****************/
1149 static snd_pcm_uframes_t
1150 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1152 struct snd_pcm_runtime *runtime = substream->runtime;
1153 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1155 snd_pcm_debug_name(substream, name, sizeof(name));
1157 snd_printddd("%s, pointer=%d\n", name, dpcm->pcm_buf_dma_ofs);
1158 /* NOTE Unlike playback can't use actual samples_played
1159 for the capture position, because those samples aren't yet in
1160 the local buffer available for reading.
1162 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1165 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1166 unsigned int cmd, void *arg)
1168 return snd_pcm_lib_ioctl(substream, cmd, arg);
1171 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1173 struct snd_pcm_runtime *runtime = substream->runtime;
1174 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1176 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1177 dpcm->pcm_buf_host_rw_ofs = 0;
1178 dpcm->pcm_buf_dma_ofs = 0;
1179 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1181 snd_printdd("Capture Prepare %d\n", substream->number);
1185 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1188 struct hpi_format hpi_format;
1192 u32 sample_rate = 48000;
1195 /* on cards without SRC, must query at valid rate,
1196 maybe set by external sync */
1197 err = hpi_mixer_get_control(asihpi->h_mixer,
1198 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1199 HPI_CONTROL_SAMPLECLOCK, &h_control);
1202 err = hpi_sample_clock_get_sample_rate(h_control,
1205 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1206 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1208 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1209 format, sample_rate, 128000, 0);
1211 err = hpi_instream_query_format(h_stream, &hpi_format);
1212 if (!err && (hpi_to_alsa_formats[format] != -1))
1213 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1218 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1220 struct snd_pcm_runtime *runtime = substream->runtime;
1221 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1222 struct snd_card_asihpi_pcm *dpcm;
1223 struct snd_pcm_hardware snd_card_asihpi_capture;
1226 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1230 snd_printdd("capture open adapter %d stream %d\n",
1231 card->hpi->adapter->index, substream->number);
1233 err = hpi_handle_error(
1234 hpi_instream_open(card->hpi->adapter->index,
1235 substream->number, &dpcm->h_stream));
1238 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1243 setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
1244 (unsigned long) dpcm);
1245 dpcm->substream = substream;
1246 runtime->private_data = dpcm;
1247 runtime->private_free = snd_card_asihpi_runtime_free;
1249 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1250 if (!card->hpi->interrupt_mode) {
1251 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1252 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1253 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1254 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1255 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1257 size_t pbmin = card->update_interval_frames *
1258 card->out_max_chans;
1259 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1260 snd_card_asihpi_capture.period_bytes_min = pbmin;
1261 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1262 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1263 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / pbmin;
1265 /* snd_card_asihpi_capture.fifo_size = 0; */
1266 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1267 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1268 snd_card_asihpi_capture.formats =
1269 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1270 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1271 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1272 SNDRV_PCM_INFO_MMAP |
1273 SNDRV_PCM_INFO_MMAP_VALID;
1275 if (card->support_grouping)
1276 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1278 runtime->hw = snd_card_asihpi_capture;
1281 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1282 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1286 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1287 card->update_interval_frames);
1288 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1289 card->update_interval_frames, UINT_MAX);
1291 snd_pcm_set_sync(substream);
1296 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1298 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1300 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1304 static const struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1305 .open = snd_card_asihpi_capture_open,
1306 .close = snd_card_asihpi_capture_close,
1307 .ioctl = snd_card_asihpi_capture_ioctl,
1308 .hw_params = snd_card_asihpi_pcm_hw_params,
1309 .hw_free = snd_card_asihpi_hw_free,
1310 .prepare = snd_card_asihpi_capture_prepare,
1311 .trigger = snd_card_asihpi_trigger,
1312 .pointer = snd_card_asihpi_capture_pointer,
1315 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device)
1317 struct snd_pcm *pcm;
1319 u16 num_instreams, num_outstreams, x16;
1322 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1323 &num_outstreams, &num_instreams,
1326 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1327 num_outstreams, num_instreams, &pcm);
1331 /* pointer to ops struct is stored, dont change ops afterwards! */
1332 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1333 &snd_card_asihpi_playback_mmap_ops);
1334 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1335 &snd_card_asihpi_capture_mmap_ops);
1337 pcm->private_data = asihpi;
1338 pcm->info_flags = 0;
1339 strcpy(pcm->name, "Asihpi PCM");
1341 /*? do we want to emulate MMAP for non-BBM cards?
1342 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1343 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1344 snd_dma_pci_data(asihpi->pci),
1345 64*1024, BUFFER_BYTES_MAX);
1350 /***************************** MIXER CONTROLS ****************/
1351 struct hpi_control {
1359 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */
1362 static const char * const asihpi_tuner_band_names[] = {
1375 /* Number of strings must match the enumerations for HPI_TUNER_BAND in hpi.h */
1376 compile_time_assert(
1377 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1378 (HPI_TUNER_BAND_LAST+1)),
1379 assert_tuner_band_names_size);
1381 static const char * const asihpi_src_names[] = {
1399 /* Number of strings must match the enumerations for HPI_SOURCENODES in hpi.h */
1400 compile_time_assert(
1401 (ARRAY_SIZE(asihpi_src_names) ==
1402 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1403 assert_src_names_size);
1405 static const char * const asihpi_dst_names[] = {
1419 /* Number of strings must match the enumerations for HPI_DESTNODES in hpi.h */
1420 compile_time_assert(
1421 (ARRAY_SIZE(asihpi_dst_names) ==
1422 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1423 assert_dst_names_size);
1425 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1426 struct snd_card_asihpi *asihpi)
1430 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1433 else if (mixer_dump)
1434 dev_info(&asihpi->pci->dev, "added %s(%d)\n", ctl->name, ctl->index);
1439 /* Convert HPI control name and location into ALSA control name */
1440 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1441 struct hpi_control *hpi_ctl,
1445 memset(snd_control, 0, sizeof(*snd_control));
1446 snd_control->name = hpi_ctl->name;
1447 snd_control->private_value = hpi_ctl->h_control;
1448 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1449 snd_control->index = 0;
1451 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1452 dir = ""; /* clock is neither capture nor playback */
1453 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1454 dir = "Capture "; /* On or towards a PCM capture destination*/
1455 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1456 (!hpi_ctl->dst_node_type))
1457 dir = "Capture "; /* On a source node that is not PCM playback */
1458 else if (hpi_ctl->src_node_type &&
1459 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1460 (hpi_ctl->dst_node_type))
1461 dir = "Monitor Playback "; /* Between an input and an output */
1463 dir = "Playback "; /* PCM Playback source, or output node */
1465 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1466 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1467 asihpi_src_names[hpi_ctl->src_node_type],
1468 hpi_ctl->src_node_index,
1469 asihpi_dst_names[hpi_ctl->dst_node_type],
1470 hpi_ctl->dst_node_index,
1472 else if (hpi_ctl->dst_node_type) {
1473 sprintf(hpi_ctl->name, "%s %d %s%s",
1474 asihpi_dst_names[hpi_ctl->dst_node_type],
1475 hpi_ctl->dst_node_index,
1478 sprintf(hpi_ctl->name, "%s %d %s%s",
1479 asihpi_src_names[hpi_ctl->src_node_type],
1480 hpi_ctl->src_node_index,
1483 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1484 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1487 /*------------------------------------------------------------
1489 ------------------------------------------------------------*/
1490 #define VOL_STEP_mB 1
1491 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1492 struct snd_ctl_elem_info *uinfo)
1494 u32 h_control = kcontrol->private_value;
1497 /* native gains are in millibels */
1502 err = hpi_volume_query_range(h_control,
1503 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1506 min_gain_mB = -10000;
1507 step_gain_mB = VOL_STEP_mB;
1510 err = hpi_meter_query_channels(h_control, &count);
1512 count = HPI_MAX_CHANNELS;
1514 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1515 uinfo->count = count;
1516 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1517 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1518 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1522 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1523 struct snd_ctl_elem_value *ucontrol)
1525 u32 h_control = kcontrol->private_value;
1526 short an_gain_mB[HPI_MAX_CHANNELS];
1528 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1529 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1530 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1535 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1536 struct snd_ctl_elem_value *ucontrol)
1539 u32 h_control = kcontrol->private_value;
1540 short an_gain_mB[HPI_MAX_CHANNELS];
1543 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1545 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1546 /* change = asihpi->mixer_volume[addr][0] != left ||
1547 asihpi->mixer_volume[addr][1] != right;
1550 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1554 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1556 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1558 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1559 struct snd_ctl_elem_value *ucontrol)
1561 u32 h_control = kcontrol->private_value;
1564 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1565 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1570 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1571 struct snd_ctl_elem_value *ucontrol)
1573 u32 h_control = kcontrol->private_value;
1575 /* HPI currently only supports all or none muting of multichannel volume
1576 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1578 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1579 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1583 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1584 struct hpi_control *hpi_ctl)
1586 struct snd_card *card = asihpi->card;
1587 struct snd_kcontrol_new snd_control;
1591 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1592 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1593 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1594 snd_control.info = snd_asihpi_volume_info;
1595 snd_control.get = snd_asihpi_volume_get;
1596 snd_control.put = snd_asihpi_volume_put;
1597 snd_control.tlv.p = db_scale_100;
1599 err = ctl_add(card, &snd_control, asihpi);
1603 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1604 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1605 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1606 snd_control.info = snd_asihpi_volume_mute_info;
1607 snd_control.get = snd_asihpi_volume_mute_get;
1608 snd_control.put = snd_asihpi_volume_mute_put;
1609 err = ctl_add(card, &snd_control, asihpi);
1614 /*------------------------------------------------------------
1616 ------------------------------------------------------------*/
1617 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1618 struct snd_ctl_elem_info *uinfo)
1620 u32 h_control = kcontrol->private_value;
1627 hpi_level_query_range(h_control, &min_gain_mB,
1628 &max_gain_mB, &step_gain_mB);
1631 min_gain_mB = -1000;
1635 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1637 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1638 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1639 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1643 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1644 struct snd_ctl_elem_value *ucontrol)
1646 u32 h_control = kcontrol->private_value;
1647 short an_gain_mB[HPI_MAX_CHANNELS];
1649 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1650 ucontrol->value.integer.value[0] =
1651 an_gain_mB[0] / HPI_UNITS_PER_dB;
1652 ucontrol->value.integer.value[1] =
1653 an_gain_mB[1] / HPI_UNITS_PER_dB;
1658 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1659 struct snd_ctl_elem_value *ucontrol)
1662 u32 h_control = kcontrol->private_value;
1663 short an_gain_mB[HPI_MAX_CHANNELS];
1666 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1668 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1669 /* change = asihpi->mixer_level[addr][0] != left ||
1670 asihpi->mixer_level[addr][1] != right;
1673 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1677 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1679 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1680 struct hpi_control *hpi_ctl)
1682 struct snd_card *card = asihpi->card;
1683 struct snd_kcontrol_new snd_control;
1685 /* can't use 'volume' cos some nodes have volume as well */
1686 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1687 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1688 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1689 snd_control.info = snd_asihpi_level_info;
1690 snd_control.get = snd_asihpi_level_get;
1691 snd_control.put = snd_asihpi_level_put;
1692 snd_control.tlv.p = db_scale_level;
1694 return ctl_add(card, &snd_control, asihpi);
1697 /*------------------------------------------------------------
1699 ------------------------------------------------------------*/
1702 static const char * const asihpi_aesebu_format_names[] = {
1703 "N/A", "S/PDIF", "AES/EBU" };
1705 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1706 struct snd_ctl_elem_info *uinfo)
1708 return snd_ctl_enum_info(uinfo, 1, 3, asihpi_aesebu_format_names);
1711 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1712 struct snd_ctl_elem_value *ucontrol,
1713 u16 (*func)(u32, u16 *))
1715 u32 h_control = kcontrol->private_value;
1718 err = func(h_control, &source);
1720 /* default to N/A */
1721 ucontrol->value.enumerated.item[0] = 0;
1722 /* return success but set the control to N/A */
1725 if (source == HPI_AESEBU_FORMAT_SPDIF)
1726 ucontrol->value.enumerated.item[0] = 1;
1727 if (source == HPI_AESEBU_FORMAT_AESEBU)
1728 ucontrol->value.enumerated.item[0] = 2;
1733 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1734 struct snd_ctl_elem_value *ucontrol,
1735 u16 (*func)(u32, u16))
1737 u32 h_control = kcontrol->private_value;
1739 /* default to S/PDIF */
1740 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1742 if (ucontrol->value.enumerated.item[0] == 1)
1743 source = HPI_AESEBU_FORMAT_SPDIF;
1744 if (ucontrol->value.enumerated.item[0] == 2)
1745 source = HPI_AESEBU_FORMAT_AESEBU;
1747 if (func(h_control, source) != 0)
1753 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1754 struct snd_ctl_elem_value *ucontrol) {
1755 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1756 hpi_aesebu_receiver_get_format);
1759 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1760 struct snd_ctl_elem_value *ucontrol) {
1761 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1762 hpi_aesebu_receiver_set_format);
1765 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1766 struct snd_ctl_elem_info *uinfo)
1768 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1771 uinfo->value.integer.min = 0;
1772 uinfo->value.integer.max = 0X1F;
1773 uinfo->value.integer.step = 1;
1778 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1779 struct snd_ctl_elem_value *ucontrol) {
1781 u32 h_control = kcontrol->private_value;
1784 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1785 h_control, &status));
1786 ucontrol->value.integer.value[0] = status;
1790 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1791 struct hpi_control *hpi_ctl)
1793 struct snd_card *card = asihpi->card;
1794 struct snd_kcontrol_new snd_control;
1796 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1797 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1798 snd_control.info = snd_asihpi_aesebu_format_info;
1799 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1800 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1803 if (ctl_add(card, &snd_control, asihpi) < 0)
1806 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1807 snd_control.access =
1808 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1809 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1810 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1812 return ctl_add(card, &snd_control, asihpi);
1815 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1816 struct snd_ctl_elem_value *ucontrol) {
1817 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1818 hpi_aesebu_transmitter_get_format);
1821 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1822 struct snd_ctl_elem_value *ucontrol) {
1823 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1824 hpi_aesebu_transmitter_set_format);
1828 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1829 struct hpi_control *hpi_ctl)
1831 struct snd_card *card = asihpi->card;
1832 struct snd_kcontrol_new snd_control;
1834 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1835 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1836 snd_control.info = snd_asihpi_aesebu_format_info;
1837 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1838 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1840 return ctl_add(card, &snd_control, asihpi);
1843 /*------------------------------------------------------------
1845 ------------------------------------------------------------*/
1849 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1850 struct snd_ctl_elem_info *uinfo)
1852 u32 h_control = kcontrol->private_value;
1857 for (idx = 0; idx < 3; idx++) {
1858 err = hpi_tuner_query_gain(h_control,
1859 idx, &gain_range[idx]);
1864 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1866 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1867 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1868 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1872 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1873 struct snd_ctl_elem_value *ucontrol)
1876 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1878 u32 h_control = kcontrol->private_value;
1881 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1882 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1887 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1888 struct snd_ctl_elem_value *ucontrol)
1891 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1893 u32 h_control = kcontrol->private_value;
1896 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1897 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1904 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1905 u16 *band_list, u32 len) {
1906 u32 h_control = kcontrol->private_value;
1910 for (i = 0; i < len; i++) {
1911 err = hpi_tuner_query_band(
1912 h_control, i, &band_list[i]);
1917 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1923 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1924 struct snd_ctl_elem_info *uinfo)
1926 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1929 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1930 HPI_TUNER_BAND_LAST);
1935 return snd_ctl_enum_info(uinfo, 1, num_bands, asihpi_tuner_band_names);
1938 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1939 struct snd_ctl_elem_value *ucontrol)
1941 u32 h_control = kcontrol->private_value;
1943 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1946 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1949 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1950 HPI_TUNER_BAND_LAST);
1952 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1954 ucontrol->value.enumerated.item[0] = -1;
1955 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1956 if (tuner_bands[idx] == band) {
1957 ucontrol->value.enumerated.item[0] = idx;
1964 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1965 struct snd_ctl_elem_value *ucontrol)
1968 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1970 u32 h_control = kcontrol->private_value;
1973 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1976 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1977 HPI_TUNER_BAND_LAST);
1979 idx = ucontrol->value.enumerated.item[0];
1980 if (idx >= ARRAY_SIZE(tuner_bands))
1981 idx = ARRAY_SIZE(tuner_bands) - 1;
1982 band = tuner_bands[idx];
1983 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1990 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1991 struct snd_ctl_elem_info *uinfo)
1993 u32 h_control = kcontrol->private_value;
1995 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1996 u16 num_bands = 0, band_iter, idx;
1997 u32 freq_range[3], temp_freq_range[3];
1999 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
2000 HPI_TUNER_BAND_LAST);
2002 freq_range[0] = INT_MAX;
2004 freq_range[2] = INT_MAX;
2006 for (band_iter = 0; band_iter < num_bands; band_iter++) {
2007 for (idx = 0; idx < 3; idx++) {
2008 err = hpi_tuner_query_frequency(h_control,
2009 idx, tuner_bands[band_iter],
2010 &temp_freq_range[idx]);
2015 /* skip band with bogus stepping */
2016 if (temp_freq_range[2] <= 0)
2019 if (temp_freq_range[0] < freq_range[0])
2020 freq_range[0] = temp_freq_range[0];
2021 if (temp_freq_range[1] > freq_range[1])
2022 freq_range[1] = temp_freq_range[1];
2023 if (temp_freq_range[2] < freq_range[2])
2024 freq_range[2] = temp_freq_range[2];
2027 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2029 uinfo->value.integer.min = ((int)freq_range[0]);
2030 uinfo->value.integer.max = ((int)freq_range[1]);
2031 uinfo->value.integer.step = ((int)freq_range[2]);
2035 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
2036 struct snd_ctl_elem_value *ucontrol)
2038 u32 h_control = kcontrol->private_value;
2041 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
2042 ucontrol->value.integer.value[0] = freq;
2047 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
2048 struct snd_ctl_elem_value *ucontrol)
2050 u32 h_control = kcontrol->private_value;
2053 freq = ucontrol->value.integer.value[0];
2054 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
2059 /* Tuner control group initializer */
2060 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2061 struct hpi_control *hpi_ctl)
2063 struct snd_card *card = asihpi->card;
2064 struct snd_kcontrol_new snd_control;
2066 snd_control.private_value = hpi_ctl->h_control;
2067 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2069 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2070 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2071 snd_control.info = snd_asihpi_tuner_gain_info;
2072 snd_control.get = snd_asihpi_tuner_gain_get;
2073 snd_control.put = snd_asihpi_tuner_gain_put;
2075 if (ctl_add(card, &snd_control, asihpi) < 0)
2079 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2080 snd_control.info = snd_asihpi_tuner_band_info;
2081 snd_control.get = snd_asihpi_tuner_band_get;
2082 snd_control.put = snd_asihpi_tuner_band_put;
2084 if (ctl_add(card, &snd_control, asihpi) < 0)
2087 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2088 snd_control.info = snd_asihpi_tuner_freq_info;
2089 snd_control.get = snd_asihpi_tuner_freq_get;
2090 snd_control.put = snd_asihpi_tuner_freq_put;
2092 return ctl_add(card, &snd_control, asihpi);
2095 /*------------------------------------------------------------
2097 ------------------------------------------------------------*/
2098 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2099 struct snd_ctl_elem_info *uinfo)
2101 u32 h_control = kcontrol->private_value;
2104 err = hpi_meter_query_channels(h_control, &count);
2106 count = HPI_MAX_CHANNELS;
2108 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2109 uinfo->count = count;
2110 uinfo->value.integer.min = 0;
2111 uinfo->value.integer.max = 0x7FFFFFFF;
2115 /* linear values for 10dB steps */
2116 static int log2lin[] = {
2117 0x7FFFFFFF, /* 0dB */
2123 2147484, /* -60dB */
2138 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2139 struct snd_ctl_elem_value *ucontrol)
2141 u32 h_control = kcontrol->private_value;
2142 short an_gain_mB[HPI_MAX_CHANNELS], i;
2145 err = hpi_meter_get_peak(h_control, an_gain_mB);
2147 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2149 ucontrol->value.integer.value[i] = 0;
2150 } else if (an_gain_mB[i] >= 0) {
2151 ucontrol->value.integer.value[i] =
2152 an_gain_mB[i] << 16;
2154 /* -ve is log value in millibels < -60dB,
2155 * convert to (roughly!) linear,
2157 ucontrol->value.integer.value[i] =
2158 log2lin[an_gain_mB[i] / -1000];
2164 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2165 struct hpi_control *hpi_ctl, int subidx)
2167 struct snd_card *card = asihpi->card;
2168 struct snd_kcontrol_new snd_control;
2170 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2171 snd_control.access =
2172 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2173 snd_control.info = snd_asihpi_meter_info;
2174 snd_control.get = snd_asihpi_meter_get;
2176 snd_control.index = subidx;
2178 return ctl_add(card, &snd_control, asihpi);
2181 /*------------------------------------------------------------
2182 Multiplexer controls
2183 ------------------------------------------------------------*/
2184 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2186 u32 h_control = snd_control->private_value;
2187 struct hpi_control hpi_ctl;
2189 for (s = 0; s < 32; s++) {
2190 err = hpi_multiplexer_query_source(h_control, s,
2201 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2202 struct snd_ctl_elem_info *uinfo)
2205 u16 src_node_type, src_node_index;
2206 u32 h_control = kcontrol->private_value;
2208 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2210 uinfo->value.enumerated.items =
2211 snd_card_asihpi_mux_count_sources(kcontrol);
2213 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2214 uinfo->value.enumerated.item =
2215 uinfo->value.enumerated.items - 1;
2218 hpi_multiplexer_query_source(h_control,
2219 uinfo->value.enumerated.item,
2220 &src_node_type, &src_node_index);
2222 sprintf(uinfo->value.enumerated.name, "%s %d",
2223 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2228 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2229 struct snd_ctl_elem_value *ucontrol)
2231 u32 h_control = kcontrol->private_value;
2232 u16 source_type, source_index;
2233 u16 src_node_type, src_node_index;
2236 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2237 &source_type, &source_index));
2238 /* Should cache this search result! */
2239 for (s = 0; s < 256; s++) {
2240 if (hpi_multiplexer_query_source(h_control, s,
2241 &src_node_type, &src_node_index))
2244 if ((source_type == src_node_type)
2245 && (source_index == src_node_index)) {
2246 ucontrol->value.enumerated.item[0] = s;
2250 snd_printd(KERN_WARNING
2251 "Control %x failed to match mux source %hu %hu\n",
2252 h_control, source_type, source_index);
2253 ucontrol->value.enumerated.item[0] = 0;
2257 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2258 struct snd_ctl_elem_value *ucontrol)
2261 u32 h_control = kcontrol->private_value;
2262 u16 source_type, source_index;
2267 e = hpi_multiplexer_query_source(h_control,
2268 ucontrol->value.enumerated.item[0],
2269 &source_type, &source_index);
2272 hpi_multiplexer_set_source(h_control,
2273 source_type, source_index));
2278 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2279 struct hpi_control *hpi_ctl)
2281 struct snd_card *card = asihpi->card;
2282 struct snd_kcontrol_new snd_control;
2284 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2285 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2286 snd_control.info = snd_asihpi_mux_info;
2287 snd_control.get = snd_asihpi_mux_get;
2288 snd_control.put = snd_asihpi_mux_put;
2290 return ctl_add(card, &snd_control, asihpi);
2294 /*------------------------------------------------------------
2295 Channel mode controls
2296 ------------------------------------------------------------*/
2297 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2298 struct snd_ctl_elem_info *uinfo)
2300 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2303 "From Left", "From Right",
2304 "To Left", "To Right"
2307 u32 h_control = kcontrol->private_value;
2310 const char *mapped_names[6];
2311 int valid_modes = 0;
2313 /* HPI channel mode values can be from 1 to 6
2314 Some adapters only support a contiguous subset
2316 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2317 if (!hpi_channel_mode_query_mode(
2318 h_control, i, &mode)) {
2319 mapped_names[valid_modes] = mode_names[mode];
2326 return snd_ctl_enum_info(uinfo, 1, valid_modes, mapped_names);
2329 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2330 struct snd_ctl_elem_value *ucontrol)
2332 u32 h_control = kcontrol->private_value;
2335 if (hpi_channel_mode_get(h_control, &mode))
2338 ucontrol->value.enumerated.item[0] = mode - 1;
2343 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2344 struct snd_ctl_elem_value *ucontrol)
2347 u32 h_control = kcontrol->private_value;
2351 hpi_handle_error(hpi_channel_mode_set(h_control,
2352 ucontrol->value.enumerated.item[0] + 1));
2357 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2358 struct hpi_control *hpi_ctl)
2360 struct snd_card *card = asihpi->card;
2361 struct snd_kcontrol_new snd_control;
2363 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2364 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2365 snd_control.info = snd_asihpi_cmode_info;
2366 snd_control.get = snd_asihpi_cmode_get;
2367 snd_control.put = snd_asihpi_cmode_put;
2369 return ctl_add(card, &snd_control, asihpi);
2372 /*------------------------------------------------------------
2373 Sampleclock source controls
2374 ------------------------------------------------------------*/
2375 static const char * const sampleclock_sources[] = {
2376 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2377 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2378 "Prev Module", "BLU-Link",
2379 "Digital2", "Digital3", "Digital4", "Digital5",
2380 "Digital6", "Digital7", "Digital8"};
2382 /* Number of strings must match expected enumerated values */
2383 compile_time_assert(
2384 (ARRAY_SIZE(sampleclock_sources) == MAX_CLOCKSOURCES),
2385 assert_sampleclock_sources_size);
2387 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2388 struct snd_ctl_elem_info *uinfo)
2390 struct snd_card_asihpi *asihpi =
2391 (struct snd_card_asihpi *)(kcontrol->private_data);
2392 struct clk_cache *clkcache = &asihpi->cc;
2393 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2395 uinfo->value.enumerated.items = clkcache->count;
2397 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2398 uinfo->value.enumerated.item =
2399 uinfo->value.enumerated.items - 1;
2401 strcpy(uinfo->value.enumerated.name,
2402 clkcache->s[uinfo->value.enumerated.item].name);
2406 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2407 struct snd_ctl_elem_value *ucontrol)
2409 struct snd_card_asihpi *asihpi =
2410 (struct snd_card_asihpi *)(kcontrol->private_data);
2411 struct clk_cache *clkcache = &asihpi->cc;
2412 u32 h_control = kcontrol->private_value;
2413 u16 source, srcindex = 0;
2416 ucontrol->value.enumerated.item[0] = 0;
2417 if (hpi_sample_clock_get_source(h_control, &source))
2420 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2421 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2424 for (i = 0; i < clkcache->count; i++)
2425 if ((clkcache->s[i].source == source) &&
2426 (clkcache->s[i].index == srcindex))
2429 ucontrol->value.enumerated.item[0] = i;
2434 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2435 struct snd_ctl_elem_value *ucontrol)
2437 struct snd_card_asihpi *asihpi =
2438 (struct snd_card_asihpi *)(kcontrol->private_data);
2439 struct clk_cache *clkcache = &asihpi->cc;
2442 u32 h_control = kcontrol->private_value;
2445 item = ucontrol->value.enumerated.item[0];
2446 if (item >= clkcache->count)
2447 item = clkcache->count-1;
2449 hpi_handle_error(hpi_sample_clock_set_source(
2450 h_control, clkcache->s[item].source));
2452 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2453 hpi_handle_error(hpi_sample_clock_set_source_index(
2454 h_control, clkcache->s[item].index));
2458 /*------------------------------------------------------------
2460 ------------------------------------------------------------*/
2461 /* Need to change this to enumerated control with list of rates */
2462 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2463 struct snd_ctl_elem_info *uinfo)
2465 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2467 uinfo->value.integer.min = 8000;
2468 uinfo->value.integer.max = 192000;
2469 uinfo->value.integer.step = 100;
2474 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2475 struct snd_ctl_elem_value *ucontrol)
2477 u32 h_control = kcontrol->private_value;
2481 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2483 ucontrol->value.integer.value[0] = rate;
2485 ucontrol->value.integer.value[0] = 0;
2489 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2490 struct snd_ctl_elem_value *ucontrol)
2493 u32 h_control = kcontrol->private_value;
2495 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2496 asihpi->mixer_clkrate[addr][1] != right;
2499 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2500 ucontrol->value.integer.value[0]));
2504 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2505 struct snd_ctl_elem_info *uinfo)
2507 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2509 uinfo->value.integer.min = 8000;
2510 uinfo->value.integer.max = 192000;
2511 uinfo->value.integer.step = 100;
2516 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2517 struct snd_ctl_elem_value *ucontrol)
2519 u32 h_control = kcontrol->private_value;
2523 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2525 ucontrol->value.integer.value[0] = rate;
2527 ucontrol->value.integer.value[0] = 0;
2531 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2532 struct hpi_control *hpi_ctl)
2534 struct snd_card *card;
2535 struct snd_kcontrol_new snd_control;
2537 struct clk_cache *clkcache;
2538 u32 hSC = hpi_ctl->h_control;
2543 if (snd_BUG_ON(!asihpi))
2545 card = asihpi->card;
2546 clkcache = &asihpi->cc;
2547 snd_control.private_value = hpi_ctl->h_control;
2549 clkcache->has_local = 0;
2551 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2552 if (hpi_sample_clock_query_source(hSC,
2555 clkcache->s[i].source = source;
2556 clkcache->s[i].index = 0;
2557 clkcache->s[i].name = sampleclock_sources[source];
2558 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2560 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2561 clkcache->has_local = 1;
2564 /* already will have picked up index 0 above */
2565 for (j = 1; j < 8; j++) {
2566 if (hpi_sample_clock_query_source_index(hSC,
2567 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2570 clkcache->s[i].source =
2571 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2572 clkcache->s[i].index = j;
2573 clkcache->s[i].name = sampleclock_sources[
2574 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2577 clkcache->count = i;
2579 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2580 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2581 snd_control.info = snd_asihpi_clksrc_info;
2582 snd_control.get = snd_asihpi_clksrc_get;
2583 snd_control.put = snd_asihpi_clksrc_put;
2584 if (ctl_add(card, &snd_control, asihpi) < 0)
2588 if (clkcache->has_local) {
2589 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2590 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2591 snd_control.info = snd_asihpi_clklocal_info;
2592 snd_control.get = snd_asihpi_clklocal_get;
2593 snd_control.put = snd_asihpi_clklocal_put;
2596 if (ctl_add(card, &snd_control, asihpi) < 0)
2600 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2601 snd_control.access =
2602 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2603 snd_control.info = snd_asihpi_clkrate_info;
2604 snd_control.get = snd_asihpi_clkrate_get;
2606 return ctl_add(card, &snd_control, asihpi);
2608 /*------------------------------------------------------------
2610 ------------------------------------------------------------*/
2612 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2614 struct snd_card *card;
2615 unsigned int idx = 0;
2616 unsigned int subindex = 0;
2618 struct hpi_control hpi_ctl, prev_ctl;
2620 if (snd_BUG_ON(!asihpi))
2622 card = asihpi->card;
2623 strcpy(card->mixername, "Asihpi Mixer");
2626 hpi_mixer_open(asihpi->hpi->adapter->index,
2628 hpi_handle_error(err);
2632 memset(&prev_ctl, 0, sizeof(prev_ctl));
2633 prev_ctl.control_type = -1;
2635 for (idx = 0; idx < 2000; idx++) {
2636 err = hpi_mixer_get_control_by_index(
2639 &hpi_ctl.src_node_type,
2640 &hpi_ctl.src_node_index,
2641 &hpi_ctl.dst_node_type,
2642 &hpi_ctl.dst_node_index,
2643 &hpi_ctl.control_type,
2644 &hpi_ctl.h_control);
2646 if (err == HPI_ERROR_CONTROL_DISABLED) {
2648 dev_info(&asihpi->pci->dev,
2649 "Disabled HPI Control(%d)\n",
2657 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2658 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2660 /* ASI50xx in SSX mode has multiple meters on the same node.
2661 Use subindex to create distinct ALSA controls
2662 for any duplicated controls.
2664 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2665 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2666 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2667 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2668 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2675 switch (hpi_ctl.control_type) {
2676 case HPI_CONTROL_VOLUME:
2677 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2679 case HPI_CONTROL_LEVEL:
2680 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2682 case HPI_CONTROL_MULTIPLEXER:
2683 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2685 case HPI_CONTROL_CHANNEL_MODE:
2686 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2688 case HPI_CONTROL_METER:
2689 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2691 case HPI_CONTROL_SAMPLECLOCK:
2692 err = snd_asihpi_sampleclock_add(
2695 case HPI_CONTROL_CONNECTION: /* ignore these */
2697 case HPI_CONTROL_TUNER:
2698 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2700 case HPI_CONTROL_AESEBU_TRANSMITTER:
2701 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2703 case HPI_CONTROL_AESEBU_RECEIVER:
2704 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2706 case HPI_CONTROL_VOX:
2707 case HPI_CONTROL_BITSTREAM:
2708 case HPI_CONTROL_MICROPHONE:
2709 case HPI_CONTROL_PARAMETRIC_EQ:
2710 case HPI_CONTROL_COMPANDER:
2713 dev_info(&asihpi->pci->dev,
2714 "Untranslated HPI Control (%d) %d %d %d %d %d\n",
2716 hpi_ctl.control_type,
2717 hpi_ctl.src_node_type,
2718 hpi_ctl.src_node_index,
2719 hpi_ctl.dst_node_type,
2720 hpi_ctl.dst_node_index);
2726 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2727 hpi_handle_error(err);
2729 dev_info(&asihpi->pci->dev, "%d mixer controls found\n", idx);
2734 /*------------------------------------------------------------
2736 ------------------------------------------------------------*/
2739 snd_asihpi_proc_read(struct snd_info_entry *entry,
2740 struct snd_info_buffer *buffer)
2742 struct snd_card_asihpi *asihpi = entry->private_data;
2755 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2757 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2758 &num_outstreams, &num_instreams,
2759 &version, &serial_number, &type));
2762 "Adapter type ASI%4X\nHardware Index %d\n"
2763 "%d outstreams\n%d instreams\n",
2764 type, asihpi->hpi->adapter->index,
2765 num_outstreams, num_instreams);
2768 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2769 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2770 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2772 err = hpi_mixer_get_control(asihpi->h_mixer,
2773 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2774 HPI_CONTROL_SAMPLECLOCK, &h_control);
2777 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2778 err += hpi_sample_clock_get_source(h_control, &source);
2781 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2782 rate, sampleclock_sources[source]);
2786 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2788 struct snd_info_entry *entry;
2790 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2791 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2794 /*------------------------------------------------------------
2796 ------------------------------------------------------------*/
2798 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2800 if (enable_hpi_hwdep)
2807 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2809 if (enable_hpi_hwdep)
2810 return asihpi_hpi_release(file);
2815 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2816 unsigned int cmd, unsigned long arg)
2818 if (enable_hpi_hwdep)
2819 return asihpi_hpi_ioctl(file, cmd, arg);
2825 /* results in /dev/snd/hwC#D0 file for each card with index #
2826 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2828 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, int device)
2830 struct snd_hwdep *hw;
2833 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2836 strcpy(hw->name, "asihpi (HPI)");
2837 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2838 hw->ops.open = snd_asihpi_hpi_open;
2839 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2840 hw->ops.release = snd_asihpi_hpi_release;
2841 hw->private_data = asihpi;
2845 /*------------------------------------------------------------
2847 ------------------------------------------------------------*/
2848 static int snd_asihpi_probe(struct pci_dev *pci_dev,
2849 const struct pci_device_id *pci_id)
2852 struct hpi_adapter *hpi;
2853 struct snd_card *card;
2854 struct snd_card_asihpi *asihpi;
2861 if (dev >= SNDRV_CARDS)
2864 /* Should this be enable[hpi->index] ? */
2870 /* Initialise low-level HPI driver */
2871 err = asihpi_adapter_probe(pci_dev, pci_id);
2875 hpi = pci_get_drvdata(pci_dev);
2876 adapter_index = hpi->adapter->index;
2877 /* first try to give the card the same index as its hardware index */
2878 err = snd_card_new(&pci_dev->dev, adapter_index, id[adapter_index],
2879 THIS_MODULE, sizeof(struct snd_card_asihpi), &card);
2881 /* if that fails, try the default index==next available */
2882 err = snd_card_new(&pci_dev->dev, index[dev], id[dev],
2883 THIS_MODULE, sizeof(struct snd_card_asihpi),
2887 dev_warn(&pci_dev->dev, "Adapter index %d->ALSA index %d\n",
2888 adapter_index, card->number);
2891 asihpi = card->private_data;
2892 asihpi->card = card;
2893 asihpi->pci = pci_dev;
2895 hpi->snd_card = card;
2897 err = hpi_adapter_get_property(adapter_index,
2898 HPI_ADAPTER_PROPERTY_CAPS1,
2899 NULL, &asihpi->support_grouping);
2901 asihpi->support_grouping = 0;
2903 err = hpi_adapter_get_property(adapter_index,
2904 HPI_ADAPTER_PROPERTY_CAPS2,
2905 &asihpi->support_mrx, NULL);
2907 asihpi->support_mrx = 0;
2909 err = hpi_adapter_get_property(adapter_index,
2910 HPI_ADAPTER_PROPERTY_INTERVAL,
2911 NULL, &asihpi->update_interval_frames);
2913 asihpi->update_interval_frames = 512;
2915 if (hpi->interrupt_mode) {
2916 asihpi->pcm_start = snd_card_asihpi_pcm_int_start;
2917 asihpi->pcm_stop = snd_card_asihpi_pcm_int_stop;
2918 tasklet_init(&asihpi->t, snd_card_asihpi_int_task,
2919 (unsigned long)hpi);
2920 hpi->interrupt_callback = snd_card_asihpi_isr;
2922 asihpi->pcm_start = snd_card_asihpi_pcm_timer_start;
2923 asihpi->pcm_stop = snd_card_asihpi_pcm_timer_stop;
2926 hpi_handle_error(hpi_instream_open(adapter_index,
2929 err = hpi_instream_host_buffer_free(h_stream);
2930 asihpi->can_dma = (!err);
2932 hpi_handle_error(hpi_instream_close(h_stream));
2934 if (!asihpi->can_dma)
2935 asihpi->update_interval_frames *= 2;
2937 err = hpi_adapter_get_property(adapter_index,
2938 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2939 &asihpi->in_max_chans, &asihpi->out_max_chans);
2941 asihpi->in_max_chans = 2;
2942 asihpi->out_max_chans = 2;
2945 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2946 asihpi->out_min_chans = asihpi->out_max_chans;
2947 asihpi->in_min_chans = asihpi->in_max_chans;
2948 asihpi->support_grouping = 0;
2950 asihpi->out_min_chans = 1;
2951 asihpi->in_min_chans = 1;
2954 dev_info(&pci_dev->dev, "Has dma:%d, grouping:%d, mrx:%d, uif:%d\n",
2956 asihpi->support_grouping,
2957 asihpi->support_mrx,
2958 asihpi->update_interval_frames
2961 err = snd_card_asihpi_pcm_new(asihpi, 0);
2963 dev_err(&pci_dev->dev, "pcm_new failed\n");
2966 err = snd_card_asihpi_mixer_new(asihpi);
2968 dev_err(&pci_dev->dev, "mixer_new failed\n");
2972 err = hpi_mixer_get_control(asihpi->h_mixer,
2973 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2974 HPI_CONTROL_SAMPLECLOCK, &h_control);
2977 err = hpi_sample_clock_set_local_rate(
2978 h_control, adapter_fs);
2980 snd_asihpi_proc_init(asihpi);
2982 /* always create, can be enabled or disabled dynamically
2983 by enable_hwdep module param*/
2984 snd_asihpi_hpi_new(asihpi, 0);
2986 strcpy(card->driver, "ASIHPI");
2988 sprintf(card->shortname, "AudioScience ASI%4X",
2989 asihpi->hpi->adapter->type);
2990 sprintf(card->longname, "%s %i",
2991 card->shortname, adapter_index);
2992 err = snd_card_register(card);
2999 snd_card_free(card);
3000 dev_err(&pci_dev->dev, "snd_asihpi_probe error %d\n", err);
3005 static void snd_asihpi_remove(struct pci_dev *pci_dev)
3007 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
3008 struct snd_card_asihpi *asihpi = hpi->snd_card->private_data;
3010 /* Stop interrupts */
3011 if (hpi->interrupt_mode) {
3012 hpi->interrupt_callback = NULL;
3013 hpi_handle_error(hpi_adapter_set_property(hpi->adapter->index,
3014 HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0));
3015 tasklet_kill(&asihpi->t);
3018 snd_card_free(hpi->snd_card);
3019 hpi->snd_card = NULL;
3020 asihpi_adapter_remove(pci_dev);
3023 static const struct pci_device_id asihpi_pci_tbl[] = {
3024 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
3025 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3026 (kernel_ulong_t)HPI_6205},
3027 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
3028 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3029 (kernel_ulong_t)HPI_6000},
3032 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
3034 static struct pci_driver driver = {
3035 .name = KBUILD_MODNAME,
3036 .id_table = asihpi_pci_tbl,
3037 .probe = snd_asihpi_probe,
3038 .remove = snd_asihpi_remove,
3041 static int __init snd_asihpi_init(void)
3044 return pci_register_driver(&driver);
3047 static void __exit snd_asihpi_exit(void)
3050 pci_unregister_driver(&driver);
3054 module_init(snd_asihpi_init)
3055 module_exit(snd_asihpi_exit)