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;
563 dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
564 card = snd_pcm_substream_chip(substream);
566 BUG_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_pcm *dpcm;
579 struct snd_card_asihpi *card;
583 dpcm = (struct snd_card_asihpi_pcm *)substream->runtime->private_data;
584 card = snd_pcm_substream_chip(substream);
586 hpi_handle_error(hpi_adapter_set_property(card->hpi->adapter->index,
587 HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0));
590 card->llmode_streampriv = NULL;
592 tasklet_disable(&card->t);
593 card->llmode_streampriv = NULL;
594 tasklet_enable(&card->t);
598 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
601 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
602 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
603 struct snd_pcm_substream *s;
607 snd_pcm_debug_name(substream, name, sizeof(name));
610 case SNDRV_PCM_TRIGGER_START:
611 snd_printdd("%s trigger start\n", name);
612 snd_pcm_group_for_each_entry(s, substream) {
613 struct snd_pcm_runtime *runtime = s->runtime;
614 struct snd_card_asihpi_pcm *ds = runtime->private_data;
616 if (snd_pcm_substream_chip(s) != card)
619 /* don't link Cap and Play */
620 if (substream->stream != s->stream)
623 ds->drained_count = 0;
624 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
625 /* How do I know how much valid data is present
626 * in buffer? Must be at least one period!
627 * Guessing 2 periods, but if
628 * buffer is bigger it may contain even more
631 unsigned int preload = ds->period_bytes * 1;
632 snd_printddd("%d preload %d\n", s->number, preload);
633 hpi_handle_error(hpi_outstream_write_buf(
635 &runtime->dma_area[0],
638 ds->pcm_buf_host_rw_ofs = preload;
641 if (card->support_grouping) {
642 snd_printdd("%d group\n", s->number);
643 e = hpi_stream_group_add(
647 snd_pcm_trigger_done(s, substream);
655 /* start the master stream */
656 card->pcm_start(substream);
657 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
659 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
662 case SNDRV_PCM_TRIGGER_STOP:
663 snd_printdd("%s trigger stop\n", name);
664 card->pcm_stop(substream);
665 snd_pcm_group_for_each_entry(s, substream) {
666 if (snd_pcm_substream_chip(s) != card)
668 /* don't link Cap and Play */
669 if (substream->stream != s->stream)
672 /*? workaround linked streams don't
673 transition to SETUP 20070706*/
674 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
676 if (card->support_grouping) {
677 snd_printdd("%d group\n", s->number);
678 snd_pcm_trigger_done(s, substream);
683 /* _prepare and _hwparams reset the stream */
684 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
685 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
687 hpi_outstream_reset(dpcm->h_stream));
689 if (card->support_grouping)
690 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
693 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
694 snd_printdd("%s trigger pause release\n", name);
695 card->pcm_start(substream);
696 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
698 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
699 snd_printdd("%s trigger pause push\n", name);
700 card->pcm_stop(substream);
701 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
704 snd_printd(KERN_ERR "\tINVALID\n");
712 Without linking degenerates to getting single stream pos etc
713 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
716 pcm_buf_dma_ofs=get_buf_pos(s);
717 for_each_linked_stream(s) {
718 pcm_buf_dma_ofs=get_buf_pos(s);
719 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
720 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
722 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
723 for_each_linked_stream(s) {
724 s->pcm_buf_dma_ofs = min_buf_pos;
725 if (new_data > period_bytes) {
727 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
734 snd_pcm_period_elapsed(s);
739 /** Minimum of 2 modulo values. Works correctly when the difference between
740 * the values is less than half the modulus
742 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
743 unsigned long int modulus)
746 if (((a-b) % modulus) < (modulus/2))
754 /** Timer function, equivalent to interrupt service routine for cards
756 static void snd_card_asihpi_timer_function(unsigned long data)
758 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
759 struct snd_pcm_substream *substream = dpcm->substream;
760 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
761 struct snd_pcm_runtime *runtime;
762 struct snd_pcm_substream *s;
763 unsigned int newdata = 0;
764 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
765 unsigned int remdata, xfercount, next_jiffies;
769 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
773 snd_pcm_debug_name(substream, name, sizeof(name));
775 /* find minimum newdata and buffer pos in group */
776 snd_pcm_group_for_each_entry(s, substream) {
777 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
778 runtime = s->runtime;
780 if (snd_pcm_substream_chip(s) != card)
783 /* don't link Cap and Play */
784 if (substream->stream != s->stream)
787 hpi_handle_error(hpi_stream_get_info_ex(
788 ds->h_stream, &state,
789 &buffer_size, &bytes_avail,
790 &samples_played, &on_card_bytes));
792 /* number of bytes in on-card buffer */
793 runtime->delay = on_card_bytes;
796 on_card_bytes = bytes_avail;
798 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
799 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
800 if (state == HPI_STATE_STOPPED) {
801 if (bytes_avail == 0) {
802 hpi_handle_error(hpi_stream_start(ds->h_stream));
803 snd_printdd("P%d start\n", s->number);
804 ds->drained_count = 0;
806 } else if (state == HPI_STATE_DRAINED) {
807 snd_printd(KERN_WARNING "P%d drained\n",
810 if (ds->drained_count > 20) {
811 snd_pcm_stop_xrun(s);
815 ds->drained_count = 0;
818 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
821 /* can't statically init min when wrap is involved */
822 min_buf_pos = pcm_buf_dma_ofs;
823 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
827 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
829 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
834 "timer1, %s, %d, S=%d, elap=%d, rw=%d, dsp=%d, left=%d, aux=%d, space=%d, hw_ptr=%ld, appl_ptr=%ld\n",
835 name, s->number, state,
836 ds->pcm_buf_elapsed_dma_ofs,
837 ds->pcm_buf_host_rw_ofs,
842 buffer_size-bytes_avail,
843 (unsigned long)frames_to_bytes(runtime,
844 runtime->status->hw_ptr),
845 (unsigned long)frames_to_bytes(runtime,
846 runtime->control->appl_ptr)
850 pcm_buf_dma_ofs = min_buf_pos;
852 remdata = newdata % dpcm->period_bytes;
853 xfercount = newdata - remdata; /* a multiple of period_bytes */
854 /* come back when on_card_bytes has decreased enough to allow
855 write to happen, or when data has been consumed to make another
858 if (xfercount && (on_card_bytes > dpcm->period_bytes))
859 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
861 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
863 next_jiffies = max(next_jiffies, 1U);
864 dpcm->timer.expires = jiffies + next_jiffies;
865 snd_printddd("timer2, jif=%d, buf_pos=%d, newdata=%d, xfer=%d\n",
866 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
868 snd_pcm_group_for_each_entry(s, substream) {
869 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
870 runtime = s->runtime;
872 /* don't link Cap and Play */
873 if (substream->stream != s->stream)
876 /* Store dma offset for use by pointer callback */
877 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
880 /* Limit use of on card fifo for playback */
881 ((on_card_bytes <= ds->period_bytes) ||
882 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
886 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
887 unsigned int xfer1, xfer2;
888 char *pd = &s->runtime->dma_area[buf_ofs];
890 if (card->can_dma) { /* buffer wrap is handled at lower level */
894 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
895 xfer2 = xfercount - xfer1;
898 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
899 snd_printddd("write1, P=%d, xfer=%d, buf_ofs=%d\n",
900 s->number, xfer1, buf_ofs);
902 hpi_outstream_write_buf(
903 ds->h_stream, pd, xfer1,
907 pd = s->runtime->dma_area;
909 snd_printddd("write2, P=%d, xfer=%d, buf_ofs=%d\n",
911 xfercount - xfer1, buf_ofs);
913 hpi_outstream_write_buf(
919 snd_printddd("read1, C=%d, xfer=%d\n",
922 hpi_instream_read_buf(
926 pd = s->runtime->dma_area;
927 snd_printddd("read2, C=%d, xfer=%d\n",
930 hpi_instream_read_buf(
935 /* ? host_rw_ofs always ahead of elapsed_dma_ofs by preload size? */
936 ds->pcm_buf_host_rw_ofs += xfercount;
937 ds->pcm_buf_elapsed_dma_ofs += xfercount;
938 snd_pcm_period_elapsed(s);
942 if (!card->hpi->interrupt_mode && dpcm->respawn_timer)
943 add_timer(&dpcm->timer);
946 static void snd_card_asihpi_int_task(unsigned long data)
948 struct hpi_adapter *a = (struct hpi_adapter *)data;
949 struct snd_card_asihpi *asihpi;
951 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
952 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
953 if (asihpi->llmode_streampriv)
954 snd_card_asihpi_timer_function(
955 (unsigned long)asihpi->llmode_streampriv);
958 static void snd_card_asihpi_isr(struct hpi_adapter *a)
960 struct snd_card_asihpi *asihpi;
962 WARN_ON(!a || !a->snd_card || !a->snd_card->private_data);
963 asihpi = (struct snd_card_asihpi *)a->snd_card->private_data;
964 tasklet_schedule(&asihpi->t);
967 /***************************** PLAYBACK OPS ****************/
968 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
969 unsigned int cmd, void *arg)
972 snd_pcm_debug_name(substream, name, sizeof(name));
973 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
974 return snd_pcm_lib_ioctl(substream, cmd, arg);
977 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
980 struct snd_pcm_runtime *runtime = substream->runtime;
981 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
983 snd_printdd("P%d prepare\n", substream->number);
985 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
986 dpcm->pcm_buf_host_rw_ofs = 0;
987 dpcm->pcm_buf_dma_ofs = 0;
988 dpcm->pcm_buf_elapsed_dma_ofs = 0;
992 static snd_pcm_uframes_t
993 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
995 struct snd_pcm_runtime *runtime = substream->runtime;
996 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
997 snd_pcm_uframes_t ptr;
999 snd_pcm_debug_name(substream, name, sizeof(name));
1001 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1002 snd_printddd("%s, pointer=%ld\n", name, (unsigned long)ptr);
1006 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
1009 struct hpi_format hpi_format;
1013 u32 sample_rate = 48000;
1016 /* on cards without SRC, must query at valid rate,
1017 * maybe set by external sync
1019 err = hpi_mixer_get_control(asihpi->h_mixer,
1020 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1021 HPI_CONTROL_SAMPLECLOCK, &h_control);
1024 err = hpi_sample_clock_get_sample_rate(h_control,
1027 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1028 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1029 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
1030 format, sample_rate, 128000, 0);
1032 err = hpi_outstream_query_format(h_stream, &hpi_format);
1033 if (!err && (hpi_to_alsa_formats[format] != -1))
1034 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1039 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
1041 struct snd_pcm_runtime *runtime = substream->runtime;
1042 struct snd_card_asihpi_pcm *dpcm;
1043 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1044 struct snd_pcm_hardware snd_card_asihpi_playback;
1047 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1051 err = hpi_outstream_open(card->hpi->adapter->index,
1052 substream->number, &dpcm->h_stream);
1053 hpi_handle_error(err);
1056 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1061 /*? also check ASI5000 samplerate source
1062 If external, only support external rate.
1063 If internal and other stream playing, can't switch
1066 setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
1067 (unsigned long) dpcm);
1068 dpcm->substream = substream;
1069 runtime->private_data = dpcm;
1070 runtime->private_free = snd_card_asihpi_runtime_free;
1072 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1073 if (!card->hpi->interrupt_mode) {
1074 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1075 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1076 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1077 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1078 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1080 size_t pbmin = card->update_interval_frames *
1081 card->out_max_chans;
1082 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1083 snd_card_asihpi_playback.period_bytes_min = pbmin;
1084 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1085 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1086 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / pbmin;
1089 /* snd_card_asihpi_playback.fifo_size = 0; */
1090 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1091 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1092 snd_card_asihpi_playback.formats =
1093 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1095 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1097 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1098 SNDRV_PCM_INFO_DOUBLE |
1099 SNDRV_PCM_INFO_BATCH |
1100 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1101 SNDRV_PCM_INFO_PAUSE |
1102 SNDRV_PCM_INFO_MMAP |
1103 SNDRV_PCM_INFO_MMAP_VALID;
1105 if (card->support_grouping) {
1106 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1107 snd_pcm_set_sync(substream);
1110 /* struct is copied, so can create initializer dynamically */
1111 runtime->hw = snd_card_asihpi_playback;
1114 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1115 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1119 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1120 card->update_interval_frames);
1122 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1123 card->update_interval_frames, UINT_MAX);
1125 snd_printdd("playback open\n");
1130 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1132 struct snd_pcm_runtime *runtime = substream->runtime;
1133 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1135 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1136 snd_printdd("playback close\n");
1141 static const struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1142 .open = snd_card_asihpi_playback_open,
1143 .close = snd_card_asihpi_playback_close,
1144 .ioctl = snd_card_asihpi_playback_ioctl,
1145 .hw_params = snd_card_asihpi_pcm_hw_params,
1146 .hw_free = snd_card_asihpi_hw_free,
1147 .prepare = snd_card_asihpi_playback_prepare,
1148 .trigger = snd_card_asihpi_trigger,
1149 .pointer = snd_card_asihpi_playback_pointer,
1152 /***************************** CAPTURE OPS ****************/
1153 static snd_pcm_uframes_t
1154 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1156 struct snd_pcm_runtime *runtime = substream->runtime;
1157 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1159 snd_pcm_debug_name(substream, name, sizeof(name));
1161 snd_printddd("%s, pointer=%d\n", name, dpcm->pcm_buf_dma_ofs);
1162 /* NOTE Unlike playback can't use actual samples_played
1163 for the capture position, because those samples aren't yet in
1164 the local buffer available for reading.
1166 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1169 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1170 unsigned int cmd, void *arg)
1172 return snd_pcm_lib_ioctl(substream, cmd, arg);
1175 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1177 struct snd_pcm_runtime *runtime = substream->runtime;
1178 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1180 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1181 dpcm->pcm_buf_host_rw_ofs = 0;
1182 dpcm->pcm_buf_dma_ofs = 0;
1183 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1185 snd_printdd("Capture Prepare %d\n", substream->number);
1189 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1192 struct hpi_format hpi_format;
1196 u32 sample_rate = 48000;
1199 /* on cards without SRC, must query at valid rate,
1200 maybe set by external sync */
1201 err = hpi_mixer_get_control(asihpi->h_mixer,
1202 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1203 HPI_CONTROL_SAMPLECLOCK, &h_control);
1206 err = hpi_sample_clock_get_sample_rate(h_control,
1209 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1210 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1212 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1213 format, sample_rate, 128000, 0);
1215 err = hpi_instream_query_format(h_stream, &hpi_format);
1216 if (!err && (hpi_to_alsa_formats[format] != -1))
1217 formats |= pcm_format_to_bits(hpi_to_alsa_formats[format]);
1222 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1224 struct snd_pcm_runtime *runtime = substream->runtime;
1225 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1226 struct snd_card_asihpi_pcm *dpcm;
1227 struct snd_pcm_hardware snd_card_asihpi_capture;
1230 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1234 snd_printdd("capture open adapter %d stream %d\n",
1235 card->hpi->adapter->index, substream->number);
1237 err = hpi_handle_error(
1238 hpi_instream_open(card->hpi->adapter->index,
1239 substream->number, &dpcm->h_stream));
1242 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1247 setup_timer(&dpcm->timer, snd_card_asihpi_timer_function,
1248 (unsigned long) dpcm);
1249 dpcm->substream = substream;
1250 runtime->private_data = dpcm;
1251 runtime->private_free = snd_card_asihpi_runtime_free;
1253 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1254 if (!card->hpi->interrupt_mode) {
1255 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1256 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1257 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1258 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1259 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1261 size_t pbmin = card->update_interval_frames *
1262 card->out_max_chans;
1263 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1264 snd_card_asihpi_capture.period_bytes_min = pbmin;
1265 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1266 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1267 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / pbmin;
1269 /* snd_card_asihpi_capture.fifo_size = 0; */
1270 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1271 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1272 snd_card_asihpi_capture.formats =
1273 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1274 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1275 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1276 SNDRV_PCM_INFO_MMAP |
1277 SNDRV_PCM_INFO_MMAP_VALID;
1279 if (card->support_grouping)
1280 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1282 runtime->hw = snd_card_asihpi_capture;
1285 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1286 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1290 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1291 card->update_interval_frames);
1292 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1293 card->update_interval_frames, UINT_MAX);
1295 snd_pcm_set_sync(substream);
1300 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1302 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1304 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1308 static const struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1309 .open = snd_card_asihpi_capture_open,
1310 .close = snd_card_asihpi_capture_close,
1311 .ioctl = snd_card_asihpi_capture_ioctl,
1312 .hw_params = snd_card_asihpi_pcm_hw_params,
1313 .hw_free = snd_card_asihpi_hw_free,
1314 .prepare = snd_card_asihpi_capture_prepare,
1315 .trigger = snd_card_asihpi_trigger,
1316 .pointer = snd_card_asihpi_capture_pointer,
1319 static int snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device)
1321 struct snd_pcm *pcm;
1323 u16 num_instreams, num_outstreams, x16;
1326 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1327 &num_outstreams, &num_instreams,
1330 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1331 num_outstreams, num_instreams, &pcm);
1335 /* pointer to ops struct is stored, dont change ops afterwards! */
1336 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1337 &snd_card_asihpi_playback_mmap_ops);
1338 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1339 &snd_card_asihpi_capture_mmap_ops);
1341 pcm->private_data = asihpi;
1342 pcm->info_flags = 0;
1343 strcpy(pcm->name, "Asihpi PCM");
1345 /*? do we want to emulate MMAP for non-BBM cards?
1346 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1347 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1348 snd_dma_pci_data(asihpi->pci),
1349 64*1024, BUFFER_BYTES_MAX);
1354 /***************************** MIXER CONTROLS ****************/
1355 struct hpi_control {
1363 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; /* copied to snd_ctl_elem_id.name[44]; */
1366 static const char * const asihpi_tuner_band_names[] = {
1379 /* Number of strings must match the enumerations for HPI_TUNER_BAND in hpi.h */
1380 compile_time_assert(
1381 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1382 (HPI_TUNER_BAND_LAST+1)),
1383 assert_tuner_band_names_size);
1385 static const char * const asihpi_src_names[] = {
1403 /* Number of strings must match the enumerations for HPI_SOURCENODES in hpi.h */
1404 compile_time_assert(
1405 (ARRAY_SIZE(asihpi_src_names) ==
1406 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1407 assert_src_names_size);
1409 static const char * const asihpi_dst_names[] = {
1423 /* Number of strings must match the enumerations for HPI_DESTNODES in hpi.h */
1424 compile_time_assert(
1425 (ARRAY_SIZE(asihpi_dst_names) ==
1426 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1427 assert_dst_names_size);
1429 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1430 struct snd_card_asihpi *asihpi)
1434 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1437 else if (mixer_dump)
1438 dev_info(&asihpi->pci->dev, "added %s(%d)\n", ctl->name, ctl->index);
1443 /* Convert HPI control name and location into ALSA control name */
1444 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1445 struct hpi_control *hpi_ctl,
1449 memset(snd_control, 0, sizeof(*snd_control));
1450 snd_control->name = hpi_ctl->name;
1451 snd_control->private_value = hpi_ctl->h_control;
1452 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1453 snd_control->index = 0;
1455 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1456 dir = ""; /* clock is neither capture nor playback */
1457 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1458 dir = "Capture "; /* On or towards a PCM capture destination*/
1459 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1460 (!hpi_ctl->dst_node_type))
1461 dir = "Capture "; /* On a source node that is not PCM playback */
1462 else if (hpi_ctl->src_node_type &&
1463 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1464 (hpi_ctl->dst_node_type))
1465 dir = "Monitor Playback "; /* Between an input and an output */
1467 dir = "Playback "; /* PCM Playback source, or output node */
1469 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1470 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1471 asihpi_src_names[hpi_ctl->src_node_type],
1472 hpi_ctl->src_node_index,
1473 asihpi_dst_names[hpi_ctl->dst_node_type],
1474 hpi_ctl->dst_node_index,
1476 else if (hpi_ctl->dst_node_type) {
1477 sprintf(hpi_ctl->name, "%s %d %s%s",
1478 asihpi_dst_names[hpi_ctl->dst_node_type],
1479 hpi_ctl->dst_node_index,
1482 sprintf(hpi_ctl->name, "%s %d %s%s",
1483 asihpi_src_names[hpi_ctl->src_node_type],
1484 hpi_ctl->src_node_index,
1487 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1488 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1491 /*------------------------------------------------------------
1493 ------------------------------------------------------------*/
1494 #define VOL_STEP_mB 1
1495 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1496 struct snd_ctl_elem_info *uinfo)
1498 u32 h_control = kcontrol->private_value;
1501 /* native gains are in millibels */
1506 err = hpi_volume_query_range(h_control,
1507 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1510 min_gain_mB = -10000;
1511 step_gain_mB = VOL_STEP_mB;
1514 err = hpi_meter_query_channels(h_control, &count);
1516 count = HPI_MAX_CHANNELS;
1518 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1519 uinfo->count = count;
1520 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1521 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1522 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1526 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1527 struct snd_ctl_elem_value *ucontrol)
1529 u32 h_control = kcontrol->private_value;
1530 short an_gain_mB[HPI_MAX_CHANNELS];
1532 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1533 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1534 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1539 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1540 struct snd_ctl_elem_value *ucontrol)
1543 u32 h_control = kcontrol->private_value;
1544 short an_gain_mB[HPI_MAX_CHANNELS];
1547 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1549 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1550 /* change = asihpi->mixer_volume[addr][0] != left ||
1551 asihpi->mixer_volume[addr][1] != right;
1554 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1558 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1560 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1562 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1563 struct snd_ctl_elem_value *ucontrol)
1565 u32 h_control = kcontrol->private_value;
1568 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1569 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1574 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1575 struct snd_ctl_elem_value *ucontrol)
1577 u32 h_control = kcontrol->private_value;
1579 /* HPI currently only supports all or none muting of multichannel volume
1580 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1582 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1583 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1587 static int snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1588 struct hpi_control *hpi_ctl)
1590 struct snd_card *card = asihpi->card;
1591 struct snd_kcontrol_new snd_control;
1595 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1596 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1597 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1598 snd_control.info = snd_asihpi_volume_info;
1599 snd_control.get = snd_asihpi_volume_get;
1600 snd_control.put = snd_asihpi_volume_put;
1601 snd_control.tlv.p = db_scale_100;
1603 err = ctl_add(card, &snd_control, asihpi);
1607 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1608 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1609 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1610 snd_control.info = snd_asihpi_volume_mute_info;
1611 snd_control.get = snd_asihpi_volume_mute_get;
1612 snd_control.put = snd_asihpi_volume_mute_put;
1613 err = ctl_add(card, &snd_control, asihpi);
1618 /*------------------------------------------------------------
1620 ------------------------------------------------------------*/
1621 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1622 struct snd_ctl_elem_info *uinfo)
1624 u32 h_control = kcontrol->private_value;
1631 hpi_level_query_range(h_control, &min_gain_mB,
1632 &max_gain_mB, &step_gain_mB);
1635 min_gain_mB = -1000;
1639 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1641 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1642 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1643 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1647 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1648 struct snd_ctl_elem_value *ucontrol)
1650 u32 h_control = kcontrol->private_value;
1651 short an_gain_mB[HPI_MAX_CHANNELS];
1653 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1654 ucontrol->value.integer.value[0] =
1655 an_gain_mB[0] / HPI_UNITS_PER_dB;
1656 ucontrol->value.integer.value[1] =
1657 an_gain_mB[1] / HPI_UNITS_PER_dB;
1662 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1663 struct snd_ctl_elem_value *ucontrol)
1666 u32 h_control = kcontrol->private_value;
1667 short an_gain_mB[HPI_MAX_CHANNELS];
1670 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1672 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1673 /* change = asihpi->mixer_level[addr][0] != left ||
1674 asihpi->mixer_level[addr][1] != right;
1677 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1681 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1683 static int snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1684 struct hpi_control *hpi_ctl)
1686 struct snd_card *card = asihpi->card;
1687 struct snd_kcontrol_new snd_control;
1689 /* can't use 'volume' cos some nodes have volume as well */
1690 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1691 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1692 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1693 snd_control.info = snd_asihpi_level_info;
1694 snd_control.get = snd_asihpi_level_get;
1695 snd_control.put = snd_asihpi_level_put;
1696 snd_control.tlv.p = db_scale_level;
1698 return ctl_add(card, &snd_control, asihpi);
1701 /*------------------------------------------------------------
1703 ------------------------------------------------------------*/
1706 static const char * const asihpi_aesebu_format_names[] = {
1707 "N/A", "S/PDIF", "AES/EBU" };
1709 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1710 struct snd_ctl_elem_info *uinfo)
1712 return snd_ctl_enum_info(uinfo, 1, 3, asihpi_aesebu_format_names);
1715 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1716 struct snd_ctl_elem_value *ucontrol,
1717 u16 (*func)(u32, u16 *))
1719 u32 h_control = kcontrol->private_value;
1722 err = func(h_control, &source);
1724 /* default to N/A */
1725 ucontrol->value.enumerated.item[0] = 0;
1726 /* return success but set the control to N/A */
1729 if (source == HPI_AESEBU_FORMAT_SPDIF)
1730 ucontrol->value.enumerated.item[0] = 1;
1731 if (source == HPI_AESEBU_FORMAT_AESEBU)
1732 ucontrol->value.enumerated.item[0] = 2;
1737 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1738 struct snd_ctl_elem_value *ucontrol,
1739 u16 (*func)(u32, u16))
1741 u32 h_control = kcontrol->private_value;
1743 /* default to S/PDIF */
1744 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1746 if (ucontrol->value.enumerated.item[0] == 1)
1747 source = HPI_AESEBU_FORMAT_SPDIF;
1748 if (ucontrol->value.enumerated.item[0] == 2)
1749 source = HPI_AESEBU_FORMAT_AESEBU;
1751 if (func(h_control, source) != 0)
1757 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1758 struct snd_ctl_elem_value *ucontrol) {
1759 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1760 hpi_aesebu_receiver_get_format);
1763 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1764 struct snd_ctl_elem_value *ucontrol) {
1765 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1766 hpi_aesebu_receiver_set_format);
1769 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1770 struct snd_ctl_elem_info *uinfo)
1772 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1775 uinfo->value.integer.min = 0;
1776 uinfo->value.integer.max = 0X1F;
1777 uinfo->value.integer.step = 1;
1782 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1783 struct snd_ctl_elem_value *ucontrol) {
1785 u32 h_control = kcontrol->private_value;
1788 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1789 h_control, &status));
1790 ucontrol->value.integer.value[0] = status;
1794 static int snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1795 struct hpi_control *hpi_ctl)
1797 struct snd_card *card = asihpi->card;
1798 struct snd_kcontrol_new snd_control;
1800 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1801 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1802 snd_control.info = snd_asihpi_aesebu_format_info;
1803 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1804 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1807 if (ctl_add(card, &snd_control, asihpi) < 0)
1810 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1811 snd_control.access =
1812 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1813 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1814 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1816 return ctl_add(card, &snd_control, asihpi);
1819 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1820 struct snd_ctl_elem_value *ucontrol) {
1821 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1822 hpi_aesebu_transmitter_get_format);
1825 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1826 struct snd_ctl_elem_value *ucontrol) {
1827 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1828 hpi_aesebu_transmitter_set_format);
1832 static int snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1833 struct hpi_control *hpi_ctl)
1835 struct snd_card *card = asihpi->card;
1836 struct snd_kcontrol_new snd_control;
1838 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1839 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1840 snd_control.info = snd_asihpi_aesebu_format_info;
1841 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1842 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1844 return ctl_add(card, &snd_control, asihpi);
1847 /*------------------------------------------------------------
1849 ------------------------------------------------------------*/
1853 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1854 struct snd_ctl_elem_info *uinfo)
1856 u32 h_control = kcontrol->private_value;
1861 for (idx = 0; idx < 3; idx++) {
1862 err = hpi_tuner_query_gain(h_control,
1863 idx, &gain_range[idx]);
1868 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1870 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1871 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1872 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1876 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1877 struct snd_ctl_elem_value *ucontrol)
1880 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1882 u32 h_control = kcontrol->private_value;
1885 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1886 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1891 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1892 struct snd_ctl_elem_value *ucontrol)
1895 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1897 u32 h_control = kcontrol->private_value;
1900 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1901 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1908 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1909 u16 *band_list, u32 len) {
1910 u32 h_control = kcontrol->private_value;
1914 for (i = 0; i < len; i++) {
1915 err = hpi_tuner_query_band(
1916 h_control, i, &band_list[i]);
1921 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1927 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1928 struct snd_ctl_elem_info *uinfo)
1930 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1933 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1934 HPI_TUNER_BAND_LAST);
1939 return snd_ctl_enum_info(uinfo, 1, num_bands, asihpi_tuner_band_names);
1942 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1943 struct snd_ctl_elem_value *ucontrol)
1945 u32 h_control = kcontrol->private_value;
1947 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1950 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1953 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1954 HPI_TUNER_BAND_LAST);
1956 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1958 ucontrol->value.enumerated.item[0] = -1;
1959 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1960 if (tuner_bands[idx] == band) {
1961 ucontrol->value.enumerated.item[0] = idx;
1968 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1969 struct snd_ctl_elem_value *ucontrol)
1972 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1974 u32 h_control = kcontrol->private_value;
1977 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1980 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1981 HPI_TUNER_BAND_LAST);
1983 idx = ucontrol->value.enumerated.item[0];
1984 if (idx >= ARRAY_SIZE(tuner_bands))
1985 idx = ARRAY_SIZE(tuner_bands) - 1;
1986 band = tuner_bands[idx];
1987 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1994 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1995 struct snd_ctl_elem_info *uinfo)
1997 u32 h_control = kcontrol->private_value;
1999 u16 tuner_bands[HPI_TUNER_BAND_LAST];
2000 u16 num_bands = 0, band_iter, idx;
2001 u32 freq_range[3], temp_freq_range[3];
2003 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
2004 HPI_TUNER_BAND_LAST);
2006 freq_range[0] = INT_MAX;
2008 freq_range[2] = INT_MAX;
2010 for (band_iter = 0; band_iter < num_bands; band_iter++) {
2011 for (idx = 0; idx < 3; idx++) {
2012 err = hpi_tuner_query_frequency(h_control,
2013 idx, tuner_bands[band_iter],
2014 &temp_freq_range[idx]);
2019 /* skip band with bogus stepping */
2020 if (temp_freq_range[2] <= 0)
2023 if (temp_freq_range[0] < freq_range[0])
2024 freq_range[0] = temp_freq_range[0];
2025 if (temp_freq_range[1] > freq_range[1])
2026 freq_range[1] = temp_freq_range[1];
2027 if (temp_freq_range[2] < freq_range[2])
2028 freq_range[2] = temp_freq_range[2];
2031 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2033 uinfo->value.integer.min = ((int)freq_range[0]);
2034 uinfo->value.integer.max = ((int)freq_range[1]);
2035 uinfo->value.integer.step = ((int)freq_range[2]);
2039 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
2040 struct snd_ctl_elem_value *ucontrol)
2042 u32 h_control = kcontrol->private_value;
2045 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
2046 ucontrol->value.integer.value[0] = freq;
2051 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
2052 struct snd_ctl_elem_value *ucontrol)
2054 u32 h_control = kcontrol->private_value;
2057 freq = ucontrol->value.integer.value[0];
2058 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
2063 /* Tuner control group initializer */
2064 static int snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2065 struct hpi_control *hpi_ctl)
2067 struct snd_card *card = asihpi->card;
2068 struct snd_kcontrol_new snd_control;
2070 snd_control.private_value = hpi_ctl->h_control;
2071 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2073 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2074 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2075 snd_control.info = snd_asihpi_tuner_gain_info;
2076 snd_control.get = snd_asihpi_tuner_gain_get;
2077 snd_control.put = snd_asihpi_tuner_gain_put;
2079 if (ctl_add(card, &snd_control, asihpi) < 0)
2083 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2084 snd_control.info = snd_asihpi_tuner_band_info;
2085 snd_control.get = snd_asihpi_tuner_band_get;
2086 snd_control.put = snd_asihpi_tuner_band_put;
2088 if (ctl_add(card, &snd_control, asihpi) < 0)
2091 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2092 snd_control.info = snd_asihpi_tuner_freq_info;
2093 snd_control.get = snd_asihpi_tuner_freq_get;
2094 snd_control.put = snd_asihpi_tuner_freq_put;
2096 return ctl_add(card, &snd_control, asihpi);
2099 /*------------------------------------------------------------
2101 ------------------------------------------------------------*/
2102 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2103 struct snd_ctl_elem_info *uinfo)
2105 u32 h_control = kcontrol->private_value;
2108 err = hpi_meter_query_channels(h_control, &count);
2110 count = HPI_MAX_CHANNELS;
2112 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2113 uinfo->count = count;
2114 uinfo->value.integer.min = 0;
2115 uinfo->value.integer.max = 0x7FFFFFFF;
2119 /* linear values for 10dB steps */
2120 static int log2lin[] = {
2121 0x7FFFFFFF, /* 0dB */
2127 2147484, /* -60dB */
2142 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2143 struct snd_ctl_elem_value *ucontrol)
2145 u32 h_control = kcontrol->private_value;
2146 short an_gain_mB[HPI_MAX_CHANNELS], i;
2149 err = hpi_meter_get_peak(h_control, an_gain_mB);
2151 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2153 ucontrol->value.integer.value[i] = 0;
2154 } else if (an_gain_mB[i] >= 0) {
2155 ucontrol->value.integer.value[i] =
2156 an_gain_mB[i] << 16;
2158 /* -ve is log value in millibels < -60dB,
2159 * convert to (roughly!) linear,
2161 ucontrol->value.integer.value[i] =
2162 log2lin[an_gain_mB[i] / -1000];
2168 static int snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2169 struct hpi_control *hpi_ctl, int subidx)
2171 struct snd_card *card = asihpi->card;
2172 struct snd_kcontrol_new snd_control;
2174 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2175 snd_control.access =
2176 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2177 snd_control.info = snd_asihpi_meter_info;
2178 snd_control.get = snd_asihpi_meter_get;
2180 snd_control.index = subidx;
2182 return ctl_add(card, &snd_control, asihpi);
2185 /*------------------------------------------------------------
2186 Multiplexer controls
2187 ------------------------------------------------------------*/
2188 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2190 u32 h_control = snd_control->private_value;
2191 struct hpi_control hpi_ctl;
2193 for (s = 0; s < 32; s++) {
2194 err = hpi_multiplexer_query_source(h_control, s,
2205 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2206 struct snd_ctl_elem_info *uinfo)
2209 u16 src_node_type, src_node_index;
2210 u32 h_control = kcontrol->private_value;
2212 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2214 uinfo->value.enumerated.items =
2215 snd_card_asihpi_mux_count_sources(kcontrol);
2217 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2218 uinfo->value.enumerated.item =
2219 uinfo->value.enumerated.items - 1;
2222 hpi_multiplexer_query_source(h_control,
2223 uinfo->value.enumerated.item,
2224 &src_node_type, &src_node_index);
2226 sprintf(uinfo->value.enumerated.name, "%s %d",
2227 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2232 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2233 struct snd_ctl_elem_value *ucontrol)
2235 u32 h_control = kcontrol->private_value;
2236 u16 source_type, source_index;
2237 u16 src_node_type, src_node_index;
2240 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2241 &source_type, &source_index));
2242 /* Should cache this search result! */
2243 for (s = 0; s < 256; s++) {
2244 if (hpi_multiplexer_query_source(h_control, s,
2245 &src_node_type, &src_node_index))
2248 if ((source_type == src_node_type)
2249 && (source_index == src_node_index)) {
2250 ucontrol->value.enumerated.item[0] = s;
2254 snd_printd(KERN_WARNING
2255 "Control %x failed to match mux source %hu %hu\n",
2256 h_control, source_type, source_index);
2257 ucontrol->value.enumerated.item[0] = 0;
2261 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2262 struct snd_ctl_elem_value *ucontrol)
2265 u32 h_control = kcontrol->private_value;
2266 u16 source_type, source_index;
2271 e = hpi_multiplexer_query_source(h_control,
2272 ucontrol->value.enumerated.item[0],
2273 &source_type, &source_index);
2276 hpi_multiplexer_set_source(h_control,
2277 source_type, source_index));
2282 static int snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2283 struct hpi_control *hpi_ctl)
2285 struct snd_card *card = asihpi->card;
2286 struct snd_kcontrol_new snd_control;
2288 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2289 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2290 snd_control.info = snd_asihpi_mux_info;
2291 snd_control.get = snd_asihpi_mux_get;
2292 snd_control.put = snd_asihpi_mux_put;
2294 return ctl_add(card, &snd_control, asihpi);
2298 /*------------------------------------------------------------
2299 Channel mode controls
2300 ------------------------------------------------------------*/
2301 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2302 struct snd_ctl_elem_info *uinfo)
2304 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2307 "From Left", "From Right",
2308 "To Left", "To Right"
2311 u32 h_control = kcontrol->private_value;
2314 const char *mapped_names[6];
2315 int valid_modes = 0;
2317 /* HPI channel mode values can be from 1 to 6
2318 Some adapters only support a contiguous subset
2320 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2321 if (!hpi_channel_mode_query_mode(
2322 h_control, i, &mode)) {
2323 mapped_names[valid_modes] = mode_names[mode];
2330 return snd_ctl_enum_info(uinfo, 1, valid_modes, mapped_names);
2333 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2334 struct snd_ctl_elem_value *ucontrol)
2336 u32 h_control = kcontrol->private_value;
2339 if (hpi_channel_mode_get(h_control, &mode))
2342 ucontrol->value.enumerated.item[0] = mode - 1;
2347 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2348 struct snd_ctl_elem_value *ucontrol)
2351 u32 h_control = kcontrol->private_value;
2355 hpi_handle_error(hpi_channel_mode_set(h_control,
2356 ucontrol->value.enumerated.item[0] + 1));
2361 static int snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2362 struct hpi_control *hpi_ctl)
2364 struct snd_card *card = asihpi->card;
2365 struct snd_kcontrol_new snd_control;
2367 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2368 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2369 snd_control.info = snd_asihpi_cmode_info;
2370 snd_control.get = snd_asihpi_cmode_get;
2371 snd_control.put = snd_asihpi_cmode_put;
2373 return ctl_add(card, &snd_control, asihpi);
2376 /*------------------------------------------------------------
2377 Sampleclock source controls
2378 ------------------------------------------------------------*/
2379 static const char * const sampleclock_sources[] = {
2380 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2381 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2382 "Prev Module", "BLU-Link",
2383 "Digital2", "Digital3", "Digital4", "Digital5",
2384 "Digital6", "Digital7", "Digital8"};
2386 /* Number of strings must match expected enumerated values */
2387 compile_time_assert(
2388 (ARRAY_SIZE(sampleclock_sources) == MAX_CLOCKSOURCES),
2389 assert_sampleclock_sources_size);
2391 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2392 struct snd_ctl_elem_info *uinfo)
2394 struct snd_card_asihpi *asihpi =
2395 (struct snd_card_asihpi *)(kcontrol->private_data);
2396 struct clk_cache *clkcache = &asihpi->cc;
2397 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2399 uinfo->value.enumerated.items = clkcache->count;
2401 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2402 uinfo->value.enumerated.item =
2403 uinfo->value.enumerated.items - 1;
2405 strcpy(uinfo->value.enumerated.name,
2406 clkcache->s[uinfo->value.enumerated.item].name);
2410 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2411 struct snd_ctl_elem_value *ucontrol)
2413 struct snd_card_asihpi *asihpi =
2414 (struct snd_card_asihpi *)(kcontrol->private_data);
2415 struct clk_cache *clkcache = &asihpi->cc;
2416 u32 h_control = kcontrol->private_value;
2417 u16 source, srcindex = 0;
2420 ucontrol->value.enumerated.item[0] = 0;
2421 if (hpi_sample_clock_get_source(h_control, &source))
2424 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2425 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2428 for (i = 0; i < clkcache->count; i++)
2429 if ((clkcache->s[i].source == source) &&
2430 (clkcache->s[i].index == srcindex))
2433 ucontrol->value.enumerated.item[0] = i;
2438 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2439 struct snd_ctl_elem_value *ucontrol)
2441 struct snd_card_asihpi *asihpi =
2442 (struct snd_card_asihpi *)(kcontrol->private_data);
2443 struct clk_cache *clkcache = &asihpi->cc;
2446 u32 h_control = kcontrol->private_value;
2449 item = ucontrol->value.enumerated.item[0];
2450 if (item >= clkcache->count)
2451 item = clkcache->count-1;
2453 hpi_handle_error(hpi_sample_clock_set_source(
2454 h_control, clkcache->s[item].source));
2456 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2457 hpi_handle_error(hpi_sample_clock_set_source_index(
2458 h_control, clkcache->s[item].index));
2462 /*------------------------------------------------------------
2464 ------------------------------------------------------------*/
2465 /* Need to change this to enumerated control with list of rates */
2466 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2467 struct snd_ctl_elem_info *uinfo)
2469 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2471 uinfo->value.integer.min = 8000;
2472 uinfo->value.integer.max = 192000;
2473 uinfo->value.integer.step = 100;
2478 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2479 struct snd_ctl_elem_value *ucontrol)
2481 u32 h_control = kcontrol->private_value;
2485 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2487 ucontrol->value.integer.value[0] = rate;
2489 ucontrol->value.integer.value[0] = 0;
2493 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2494 struct snd_ctl_elem_value *ucontrol)
2497 u32 h_control = kcontrol->private_value;
2499 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2500 asihpi->mixer_clkrate[addr][1] != right;
2503 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2504 ucontrol->value.integer.value[0]));
2508 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2509 struct snd_ctl_elem_info *uinfo)
2511 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2513 uinfo->value.integer.min = 8000;
2514 uinfo->value.integer.max = 192000;
2515 uinfo->value.integer.step = 100;
2520 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2521 struct snd_ctl_elem_value *ucontrol)
2523 u32 h_control = kcontrol->private_value;
2527 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2529 ucontrol->value.integer.value[0] = rate;
2531 ucontrol->value.integer.value[0] = 0;
2535 static int snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2536 struct hpi_control *hpi_ctl)
2538 struct snd_card *card;
2539 struct snd_kcontrol_new snd_control;
2541 struct clk_cache *clkcache;
2542 u32 hSC = hpi_ctl->h_control;
2547 if (snd_BUG_ON(!asihpi))
2549 card = asihpi->card;
2550 clkcache = &asihpi->cc;
2551 snd_control.private_value = hpi_ctl->h_control;
2553 clkcache->has_local = 0;
2555 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2556 if (hpi_sample_clock_query_source(hSC,
2559 clkcache->s[i].source = source;
2560 clkcache->s[i].index = 0;
2561 clkcache->s[i].name = sampleclock_sources[source];
2562 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2564 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2565 clkcache->has_local = 1;
2568 /* already will have picked up index 0 above */
2569 for (j = 1; j < 8; j++) {
2570 if (hpi_sample_clock_query_source_index(hSC,
2571 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2574 clkcache->s[i].source =
2575 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2576 clkcache->s[i].index = j;
2577 clkcache->s[i].name = sampleclock_sources[
2578 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2581 clkcache->count = i;
2583 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2584 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2585 snd_control.info = snd_asihpi_clksrc_info;
2586 snd_control.get = snd_asihpi_clksrc_get;
2587 snd_control.put = snd_asihpi_clksrc_put;
2588 if (ctl_add(card, &snd_control, asihpi) < 0)
2592 if (clkcache->has_local) {
2593 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2594 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2595 snd_control.info = snd_asihpi_clklocal_info;
2596 snd_control.get = snd_asihpi_clklocal_get;
2597 snd_control.put = snd_asihpi_clklocal_put;
2600 if (ctl_add(card, &snd_control, asihpi) < 0)
2604 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2605 snd_control.access =
2606 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2607 snd_control.info = snd_asihpi_clkrate_info;
2608 snd_control.get = snd_asihpi_clkrate_get;
2610 return ctl_add(card, &snd_control, asihpi);
2612 /*------------------------------------------------------------
2614 ------------------------------------------------------------*/
2616 static int snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2618 struct snd_card *card;
2619 unsigned int idx = 0;
2620 unsigned int subindex = 0;
2622 struct hpi_control hpi_ctl, prev_ctl;
2624 if (snd_BUG_ON(!asihpi))
2626 card = asihpi->card;
2627 strcpy(card->mixername, "Asihpi Mixer");
2630 hpi_mixer_open(asihpi->hpi->adapter->index,
2632 hpi_handle_error(err);
2636 memset(&prev_ctl, 0, sizeof(prev_ctl));
2637 prev_ctl.control_type = -1;
2639 for (idx = 0; idx < 2000; idx++) {
2640 err = hpi_mixer_get_control_by_index(
2643 &hpi_ctl.src_node_type,
2644 &hpi_ctl.src_node_index,
2645 &hpi_ctl.dst_node_type,
2646 &hpi_ctl.dst_node_index,
2647 &hpi_ctl.control_type,
2648 &hpi_ctl.h_control);
2650 if (err == HPI_ERROR_CONTROL_DISABLED) {
2652 dev_info(&asihpi->pci->dev,
2653 "Disabled HPI Control(%d)\n",
2661 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2662 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2664 /* ASI50xx in SSX mode has multiple meters on the same node.
2665 Use subindex to create distinct ALSA controls
2666 for any duplicated controls.
2668 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2669 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2670 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2671 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2672 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2679 switch (hpi_ctl.control_type) {
2680 case HPI_CONTROL_VOLUME:
2681 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2683 case HPI_CONTROL_LEVEL:
2684 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2686 case HPI_CONTROL_MULTIPLEXER:
2687 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2689 case HPI_CONTROL_CHANNEL_MODE:
2690 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2692 case HPI_CONTROL_METER:
2693 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2695 case HPI_CONTROL_SAMPLECLOCK:
2696 err = snd_asihpi_sampleclock_add(
2699 case HPI_CONTROL_CONNECTION: /* ignore these */
2701 case HPI_CONTROL_TUNER:
2702 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2704 case HPI_CONTROL_AESEBU_TRANSMITTER:
2705 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2707 case HPI_CONTROL_AESEBU_RECEIVER:
2708 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2710 case HPI_CONTROL_VOX:
2711 case HPI_CONTROL_BITSTREAM:
2712 case HPI_CONTROL_MICROPHONE:
2713 case HPI_CONTROL_PARAMETRIC_EQ:
2714 case HPI_CONTROL_COMPANDER:
2717 dev_info(&asihpi->pci->dev,
2718 "Untranslated HPI Control (%d) %d %d %d %d %d\n",
2720 hpi_ctl.control_type,
2721 hpi_ctl.src_node_type,
2722 hpi_ctl.src_node_index,
2723 hpi_ctl.dst_node_type,
2724 hpi_ctl.dst_node_index);
2730 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2731 hpi_handle_error(err);
2733 dev_info(&asihpi->pci->dev, "%d mixer controls found\n", idx);
2738 /*------------------------------------------------------------
2740 ------------------------------------------------------------*/
2743 snd_asihpi_proc_read(struct snd_info_entry *entry,
2744 struct snd_info_buffer *buffer)
2746 struct snd_card_asihpi *asihpi = entry->private_data;
2759 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2761 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2762 &num_outstreams, &num_instreams,
2763 &version, &serial_number, &type));
2766 "Adapter type ASI%4X\nHardware Index %d\n"
2767 "%d outstreams\n%d instreams\n",
2768 type, asihpi->hpi->adapter->index,
2769 num_outstreams, num_instreams);
2772 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2773 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2774 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2776 err = hpi_mixer_get_control(asihpi->h_mixer,
2777 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2778 HPI_CONTROL_SAMPLECLOCK, &h_control);
2781 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2782 err += hpi_sample_clock_get_source(h_control, &source);
2785 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2786 rate, sampleclock_sources[source]);
2790 static void snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2792 struct snd_info_entry *entry;
2794 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2795 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2798 /*------------------------------------------------------------
2800 ------------------------------------------------------------*/
2802 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2804 if (enable_hpi_hwdep)
2811 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2813 if (enable_hpi_hwdep)
2814 return asihpi_hpi_release(file);
2819 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2820 unsigned int cmd, unsigned long arg)
2822 if (enable_hpi_hwdep)
2823 return asihpi_hpi_ioctl(file, cmd, arg);
2829 /* results in /dev/snd/hwC#D0 file for each card with index #
2830 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2832 static int snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi, int device)
2834 struct snd_hwdep *hw;
2837 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2840 strcpy(hw->name, "asihpi (HPI)");
2841 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2842 hw->ops.open = snd_asihpi_hpi_open;
2843 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2844 hw->ops.release = snd_asihpi_hpi_release;
2845 hw->private_data = asihpi;
2849 /*------------------------------------------------------------
2851 ------------------------------------------------------------*/
2852 static int snd_asihpi_probe(struct pci_dev *pci_dev,
2853 const struct pci_device_id *pci_id)
2856 struct hpi_adapter *hpi;
2857 struct snd_card *card;
2858 struct snd_card_asihpi *asihpi;
2865 if (dev >= SNDRV_CARDS)
2868 /* Should this be enable[hpi->index] ? */
2874 /* Initialise low-level HPI driver */
2875 err = asihpi_adapter_probe(pci_dev, pci_id);
2879 hpi = pci_get_drvdata(pci_dev);
2880 adapter_index = hpi->adapter->index;
2881 /* first try to give the card the same index as its hardware index */
2882 err = snd_card_new(&pci_dev->dev, adapter_index, id[adapter_index],
2883 THIS_MODULE, sizeof(struct snd_card_asihpi), &card);
2885 /* if that fails, try the default index==next available */
2886 err = snd_card_new(&pci_dev->dev, index[dev], id[dev],
2887 THIS_MODULE, sizeof(struct snd_card_asihpi),
2891 dev_warn(&pci_dev->dev, "Adapter index %d->ALSA index %d\n",
2892 adapter_index, card->number);
2895 asihpi = card->private_data;
2896 asihpi->card = card;
2897 asihpi->pci = pci_dev;
2899 hpi->snd_card = card;
2901 err = hpi_adapter_get_property(adapter_index,
2902 HPI_ADAPTER_PROPERTY_CAPS1,
2903 NULL, &asihpi->support_grouping);
2905 asihpi->support_grouping = 0;
2907 err = hpi_adapter_get_property(adapter_index,
2908 HPI_ADAPTER_PROPERTY_CAPS2,
2909 &asihpi->support_mrx, NULL);
2911 asihpi->support_mrx = 0;
2913 err = hpi_adapter_get_property(adapter_index,
2914 HPI_ADAPTER_PROPERTY_INTERVAL,
2915 NULL, &asihpi->update_interval_frames);
2917 asihpi->update_interval_frames = 512;
2919 if (hpi->interrupt_mode) {
2920 asihpi->pcm_start = snd_card_asihpi_pcm_int_start;
2921 asihpi->pcm_stop = snd_card_asihpi_pcm_int_stop;
2922 tasklet_init(&asihpi->t, snd_card_asihpi_int_task,
2923 (unsigned long)hpi);
2924 hpi->interrupt_callback = snd_card_asihpi_isr;
2926 asihpi->pcm_start = snd_card_asihpi_pcm_timer_start;
2927 asihpi->pcm_stop = snd_card_asihpi_pcm_timer_stop;
2930 hpi_handle_error(hpi_instream_open(adapter_index,
2933 err = hpi_instream_host_buffer_free(h_stream);
2934 asihpi->can_dma = (!err);
2936 hpi_handle_error(hpi_instream_close(h_stream));
2938 if (!asihpi->can_dma)
2939 asihpi->update_interval_frames *= 2;
2941 err = hpi_adapter_get_property(adapter_index,
2942 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2943 &asihpi->in_max_chans, &asihpi->out_max_chans);
2945 asihpi->in_max_chans = 2;
2946 asihpi->out_max_chans = 2;
2949 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2950 asihpi->out_min_chans = asihpi->out_max_chans;
2951 asihpi->in_min_chans = asihpi->in_max_chans;
2952 asihpi->support_grouping = 0;
2954 asihpi->out_min_chans = 1;
2955 asihpi->in_min_chans = 1;
2958 dev_info(&pci_dev->dev, "Has dma:%d, grouping:%d, mrx:%d, uif:%d\n",
2960 asihpi->support_grouping,
2961 asihpi->support_mrx,
2962 asihpi->update_interval_frames
2965 err = snd_card_asihpi_pcm_new(asihpi, 0);
2967 dev_err(&pci_dev->dev, "pcm_new failed\n");
2970 err = snd_card_asihpi_mixer_new(asihpi);
2972 dev_err(&pci_dev->dev, "mixer_new failed\n");
2976 err = hpi_mixer_get_control(asihpi->h_mixer,
2977 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2978 HPI_CONTROL_SAMPLECLOCK, &h_control);
2981 err = hpi_sample_clock_set_local_rate(
2982 h_control, adapter_fs);
2984 snd_asihpi_proc_init(asihpi);
2986 /* always create, can be enabled or disabled dynamically
2987 by enable_hwdep module param*/
2988 snd_asihpi_hpi_new(asihpi, 0);
2990 strcpy(card->driver, "ASIHPI");
2992 sprintf(card->shortname, "AudioScience ASI%4X",
2993 asihpi->hpi->adapter->type);
2994 sprintf(card->longname, "%s %i",
2995 card->shortname, adapter_index);
2996 err = snd_card_register(card);
3003 snd_card_free(card);
3004 dev_err(&pci_dev->dev, "snd_asihpi_probe error %d\n", err);
3009 static void snd_asihpi_remove(struct pci_dev *pci_dev)
3011 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
3012 struct snd_card_asihpi *asihpi = hpi->snd_card->private_data;
3014 /* Stop interrupts */
3015 if (hpi->interrupt_mode) {
3016 hpi->interrupt_callback = NULL;
3017 hpi_handle_error(hpi_adapter_set_property(hpi->adapter->index,
3018 HPI_ADAPTER_PROPERTY_IRQ_RATE, 0, 0));
3019 tasklet_kill(&asihpi->t);
3022 snd_card_free(hpi->snd_card);
3023 hpi->snd_card = NULL;
3024 asihpi_adapter_remove(pci_dev);
3027 static const struct pci_device_id asihpi_pci_tbl[] = {
3028 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
3029 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3030 (kernel_ulong_t)HPI_6205},
3031 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
3032 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
3033 (kernel_ulong_t)HPI_6000},
3036 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
3038 static struct pci_driver driver = {
3039 .name = KBUILD_MODNAME,
3040 .id_table = asihpi_pci_tbl,
3041 .probe = snd_asihpi_probe,
3042 .remove = snd_asihpi_remove,
3045 static int __init snd_asihpi_init(void)
3048 return pci_register_driver(&driver);
3051 static void __exit snd_asihpi_exit(void)
3054 pci_unregister_driver(&driver);
3058 module_init(snd_asihpi_init)
3059 module_exit(snd_asihpi_exit)