3 * Copyright (c) by AudioScience Inc <alsa@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"
32 #include <linux/pci.h>
33 #include <linux/init.h>
34 #include <linux/jiffies.h>
35 #include <linux/slab.h>
36 #include <linux/time.h>
37 #include <linux/wait.h>
38 #include <linux/module.h>
39 #include <sound/core.h>
40 #include <sound/control.h>
41 #include <sound/pcm.h>
42 #include <sound/pcm_params.h>
43 #include <sound/info.h>
44 #include <sound/initval.h>
45 #include <sound/tlv.h>
46 #include <sound/hwdep.h>
48 MODULE_LICENSE("GPL");
49 MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>");
50 MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx "
53 #if defined CONFIG_SND_DEBUG_VERBOSE
55 * snd_printddd - very verbose debug printk
56 * @format: format string
58 * Works like snd_printk() for debugging purposes.
59 * Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
60 * Must set snd module debug parameter to 3 to enable at runtime.
62 #define snd_printddd(format, args...) \
63 __snd_printk(3, __FILE__, __LINE__, format, ##args)
65 #define snd_printddd(format, args...) do { } while (0)
68 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
69 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
70 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
71 static bool enable_hpi_hwdep = 1;
73 module_param_array(index, int, NULL, S_IRUGO);
74 MODULE_PARM_DESC(index, "ALSA index value for AudioScience soundcard.");
76 module_param_array(id, charp, NULL, S_IRUGO);
77 MODULE_PARM_DESC(id, "ALSA ID string for AudioScience soundcard.");
79 module_param_array(enable, bool, NULL, S_IRUGO);
80 MODULE_PARM_DESC(enable, "ALSA enable AudioScience soundcard.");
82 module_param(enable_hpi_hwdep, bool, S_IRUGO|S_IWUSR);
83 MODULE_PARM_DESC(enable_hpi_hwdep,
84 "ALSA enable HPI hwdep for AudioScience soundcard ");
87 #ifdef KERNEL_ALSA_BUILD
88 static char *build_info = "Built using headers from kernel source";
89 module_param(build_info, charp, S_IRUGO);
90 MODULE_PARM_DESC(build_info, "built using headers from kernel source");
92 static char *build_info = "Built within ALSA source";
93 module_param(build_info, charp, S_IRUGO);
94 MODULE_PARM_DESC(build_info, "built within ALSA source");
97 /* set to 1 to dump every control from adapter to log */
98 static const int mixer_dump;
100 #define DEFAULT_SAMPLERATE 44100
101 static int adapter_fs = DEFAULT_SAMPLERATE;
104 #define PERIODS_MIN 2
105 #define PERIOD_BYTES_MIN 2048
106 #define BUFFER_BYTES_MAX (512 * 1024)
108 #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7)
119 struct clk_source s[MAX_CLOCKSOURCES];
123 struct snd_card_asihpi {
124 struct snd_card *card;
126 struct hpi_adapter *hpi;
132 u16 support_grouping;
134 u16 update_interval_frames;
141 /* Per stream data */
142 struct snd_card_asihpi_pcm {
143 struct timer_list timer;
144 unsigned int respawn_timer;
145 unsigned int hpi_buffer_attached;
146 unsigned int buffer_bytes;
147 unsigned int period_bytes;
148 unsigned int bytes_per_sec;
149 unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */
150 unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */
151 unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */
152 unsigned int drained_count;
153 struct snd_pcm_substream *substream;
155 struct hpi_format format;
158 /* universal stream verbs work with out or in stream handles */
160 /* Functions to allow driver to give a buffer to HPI for busmastering */
162 static u16 hpi_stream_host_buffer_attach(
163 u32 h_stream, /* handle to outstream. */
164 u32 size_in_bytes, /* size in bytes of bus mastering buffer */
168 struct hpi_message hm;
169 struct hpi_response hr;
170 unsigned int obj = hpi_handle_object(h_stream);
173 return HPI_ERROR_INVALID_OBJ;
174 hpi_init_message_response(&hm, &hr, obj,
175 obj == HPI_OBJ_OSTREAM ?
176 HPI_OSTREAM_HOSTBUFFER_ALLOC :
177 HPI_ISTREAM_HOSTBUFFER_ALLOC);
179 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
182 hm.u.d.u.buffer.buffer_size = size_in_bytes;
183 hm.u.d.u.buffer.pci_address = pci_address;
184 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER;
185 hpi_send_recv(&hm, &hr);
189 static u16 hpi_stream_host_buffer_detach(u32 h_stream)
191 struct hpi_message hm;
192 struct hpi_response hr;
193 unsigned int obj = hpi_handle_object(h_stream);
196 return HPI_ERROR_INVALID_OBJ;
198 hpi_init_message_response(&hm, &hr, obj,
199 obj == HPI_OBJ_OSTREAM ?
200 HPI_OSTREAM_HOSTBUFFER_FREE :
201 HPI_ISTREAM_HOSTBUFFER_FREE);
203 hpi_handle_to_indexes(h_stream, &hm.adapter_index,
205 hm.u.d.u.buffer.command = HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER;
206 hpi_send_recv(&hm, &hr);
210 static inline u16 hpi_stream_start(u32 h_stream)
212 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
213 return hpi_outstream_start(h_stream);
215 return hpi_instream_start(h_stream);
218 static inline u16 hpi_stream_stop(u32 h_stream)
220 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
221 return hpi_outstream_stop(h_stream);
223 return hpi_instream_stop(h_stream);
226 static inline u16 hpi_stream_get_info_ex(
230 u32 *pdata_in_buffer,
236 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
237 e = hpi_outstream_get_info_ex(h_stream, pw_state,
238 pbuffer_size, pdata_in_buffer,
239 psample_count, pauxiliary_data);
241 e = hpi_instream_get_info_ex(h_stream, pw_state,
242 pbuffer_size, pdata_in_buffer,
243 psample_count, pauxiliary_data);
247 static inline u16 hpi_stream_group_add(
251 if (hpi_handle_object(h_master) == HPI_OBJ_OSTREAM)
252 return hpi_outstream_group_add(h_master, h_stream);
254 return hpi_instream_group_add(h_master, h_stream);
257 static inline u16 hpi_stream_group_reset(u32 h_stream)
259 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
260 return hpi_outstream_group_reset(h_stream);
262 return hpi_instream_group_reset(h_stream);
265 static inline u16 hpi_stream_group_get_map(
266 u32 h_stream, u32 *mo, u32 *mi)
268 if (hpi_handle_object(h_stream) == HPI_OBJ_OSTREAM)
269 return hpi_outstream_group_get_map(h_stream, mo, mi);
271 return hpi_instream_group_get_map(h_stream, mo, mi);
274 static u16 handle_error(u16 err, int line, char *filename)
278 "in file %s, line %d: HPI error %d\n",
279 filename, line, err);
283 #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__)
285 /***************************** GENERAL PCM ****************/
287 static void print_hwparams(struct snd_pcm_substream *substream,
288 struct snd_pcm_hw_params *p)
291 snd_pcm_debug_name(substream, name, sizeof(name));
292 snd_printd("%s HWPARAMS\n", name);
293 snd_printd(" samplerate %d Hz\n", params_rate(p));
294 snd_printd(" channels %d\n", params_channels(p));
295 snd_printd(" format %d\n", params_format(p));
296 snd_printd(" subformat %d\n", params_subformat(p));
297 snd_printd(" buffer %d B\n", params_buffer_bytes(p));
298 snd_printd(" period %d B\n", params_period_bytes(p));
299 snd_printd(" access %d\n", params_access(p));
300 snd_printd(" period_size %d\n", params_period_size(p));
301 snd_printd(" periods %d\n", params_periods(p));
302 snd_printd(" buffer_size %d\n", params_buffer_size(p));
303 snd_printd(" %d B/s\n", params_rate(p) *
305 snd_pcm_format_width(params_format(p)) / 8);
309 static snd_pcm_format_t hpi_to_alsa_formats[] = {
311 SNDRV_PCM_FORMAT_U8, /* HPI_FORMAT_PCM8_UNSIGNED 1 */
312 SNDRV_PCM_FORMAT_S16, /* HPI_FORMAT_PCM16_SIGNED 2 */
313 -1, /* HPI_FORMAT_MPEG_L1 3 */
314 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L2 4 */
315 SNDRV_PCM_FORMAT_MPEG, /* HPI_FORMAT_MPEG_L3 5 */
316 -1, /* HPI_FORMAT_DOLBY_AC2 6 */
317 -1, /* HPI_FORMAT_DOLBY_AC3 7 */
318 SNDRV_PCM_FORMAT_S16_BE,/* HPI_FORMAT_PCM16_BIGENDIAN 8 */
319 -1, /* HPI_FORMAT_AA_TAGIT1_HITS 9 */
320 -1, /* HPI_FORMAT_AA_TAGIT1_INSERTS 10 */
321 SNDRV_PCM_FORMAT_S32, /* HPI_FORMAT_PCM32_SIGNED 11 */
322 -1, /* HPI_FORMAT_RAW_BITSTREAM 12 */
323 -1, /* HPI_FORMAT_AA_TAGIT1_HITS_EX1 13 */
324 SNDRV_PCM_FORMAT_FLOAT, /* HPI_FORMAT_PCM32_FLOAT 14 */
326 /* ALSA can't handle 3 byte sample size together with power-of-2
327 * constraint on buffer_bytes, so disable this format
331 /* SNDRV_PCM_FORMAT_S24_3LE */ /* HPI_FORMAT_PCM24_SIGNED 15 */
336 static int snd_card_asihpi_format_alsa2hpi(snd_pcm_format_t alsa_format,
341 for (format = HPI_FORMAT_PCM8_UNSIGNED;
342 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
343 if (hpi_to_alsa_formats[format] == alsa_format) {
344 *hpi_format = format;
349 snd_printd(KERN_WARNING "failed match for alsa format %d\n",
355 static void snd_card_asihpi_pcm_samplerates(struct snd_card_asihpi *asihpi,
356 struct snd_pcm_hardware *pcmhw)
362 unsigned int rate_min = 200000;
363 unsigned int rate_max = 0;
364 unsigned int rates = 0;
366 if (asihpi->support_mrx) {
367 rates |= SNDRV_PCM_RATE_CONTINUOUS;
368 rates |= SNDRV_PCM_RATE_8000_96000;
372 /* on cards without SRC,
373 valid rates are determined by sampleclock */
374 err = hpi_mixer_get_control(asihpi->h_mixer,
375 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
376 HPI_CONTROL_SAMPLECLOCK, &h_control);
379 "No local sampleclock, err %d\n", err);
382 for (idx = -1; idx < 100; idx++) {
384 if (hpi_sample_clock_get_sample_rate(h_control,
387 } else if (hpi_sample_clock_query_local_rate(h_control,
388 idx, &sample_rate)) {
392 rate_min = min(rate_min, sample_rate);
393 rate_max = max(rate_max, sample_rate);
395 switch (sample_rate) {
397 rates |= SNDRV_PCM_RATE_5512;
400 rates |= SNDRV_PCM_RATE_8000;
403 rates |= SNDRV_PCM_RATE_11025;
406 rates |= SNDRV_PCM_RATE_16000;
409 rates |= SNDRV_PCM_RATE_22050;
412 rates |= SNDRV_PCM_RATE_32000;
415 rates |= SNDRV_PCM_RATE_44100;
418 rates |= SNDRV_PCM_RATE_48000;
421 rates |= SNDRV_PCM_RATE_64000;
424 rates |= SNDRV_PCM_RATE_88200;
427 rates |= SNDRV_PCM_RATE_96000;
430 rates |= SNDRV_PCM_RATE_176400;
433 rates |= SNDRV_PCM_RATE_192000;
435 default: /* some other rate */
436 rates |= SNDRV_PCM_RATE_KNOT;
441 pcmhw->rates = rates;
442 pcmhw->rate_min = rate_min;
443 pcmhw->rate_max = rate_max;
446 static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *params)
449 struct snd_pcm_runtime *runtime = substream->runtime;
450 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
451 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
455 unsigned int bytes_per_sec;
457 print_hwparams(substream, params);
458 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
461 err = snd_card_asihpi_format_alsa2hpi(params_format(params), &format);
465 hpi_handle_error(hpi_format_create(&dpcm->format,
466 params_channels(params),
467 format, params_rate(params), 0, 0));
469 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
470 if (hpi_instream_reset(dpcm->h_stream) != 0)
473 if (hpi_instream_set_format(
474 dpcm->h_stream, &dpcm->format) != 0)
478 dpcm->hpi_buffer_attached = 0;
480 err = hpi_stream_host_buffer_attach(dpcm->h_stream,
481 params_buffer_bytes(params), runtime->dma_addr);
484 "stream_host_buffer_attach succeeded %u %lu\n",
485 params_buffer_bytes(params),
486 (unsigned long)runtime->dma_addr);
488 snd_printd("stream_host_buffer_attach error %d\n",
493 err = hpi_stream_get_info_ex(dpcm->h_stream, NULL,
494 &dpcm->hpi_buffer_attached,
497 snd_printdd("stream_host_buffer_attach status 0x%x\n",
498 dpcm->hpi_buffer_attached);
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;
541 /*? (dpcm->period_bytes * HZ / dpcm->bytes_per_sec); */
542 expiry = max(expiry, 1); /* don't let it be zero! */
543 dpcm->timer.expires = jiffies + expiry;
544 dpcm->respawn_timer = 1;
545 add_timer(&dpcm->timer);
548 static void snd_card_asihpi_pcm_timer_stop(struct snd_pcm_substream *substream)
550 struct snd_pcm_runtime *runtime = substream->runtime;
551 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
553 dpcm->respawn_timer = 0;
554 del_timer(&dpcm->timer);
557 static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream,
560 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
561 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
562 struct snd_pcm_substream *s;
566 snd_pcm_debug_name(substream, name, sizeof(name));
567 snd_printdd("%s trigger\n", name);
570 case SNDRV_PCM_TRIGGER_START:
571 snd_pcm_group_for_each_entry(s, substream) {
572 struct snd_pcm_runtime *runtime = s->runtime;
573 struct snd_card_asihpi_pcm *ds = runtime->private_data;
575 if (snd_pcm_substream_chip(s) != card)
578 /* don't link Cap and Play */
579 if (substream->stream != s->stream)
582 ds->drained_count = 0;
583 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
584 /* How do I know how much valid data is present
585 * in buffer? Must be at least one period!
586 * Guessing 2 periods, but if
587 * buffer is bigger it may contain even more
590 unsigned int preload = ds->period_bytes * 1;
591 snd_printddd("%d preload x%x\n", s->number, preload);
592 hpi_handle_error(hpi_outstream_write_buf(
594 &runtime->dma_area[0],
597 ds->pcm_buf_host_rw_ofs = preload;
600 if (card->support_grouping) {
601 snd_printdd("%d group\n", s->number);
602 e = hpi_stream_group_add(
606 snd_pcm_trigger_done(s, substream);
614 snd_printdd("start\n");
615 /* start the master stream */
616 snd_card_asihpi_pcm_timer_start(substream);
617 if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) ||
619 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
622 case SNDRV_PCM_TRIGGER_STOP:
623 snd_card_asihpi_pcm_timer_stop(substream);
624 snd_pcm_group_for_each_entry(s, substream) {
625 if (snd_pcm_substream_chip(s) != card)
627 /* don't link Cap and Play */
628 if (substream->stream != s->stream)
631 /*? workaround linked streams don't
632 transition to SETUP 20070706*/
633 s->runtime->status->state = SNDRV_PCM_STATE_SETUP;
635 if (card->support_grouping) {
636 snd_printdd("%d group\n", s->number);
637 snd_pcm_trigger_done(s, substream);
641 snd_printdd("stop\n");
643 /* _prepare and _hwparams reset the stream */
644 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
645 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
647 hpi_outstream_reset(dpcm->h_stream));
649 if (card->support_grouping)
650 hpi_handle_error(hpi_stream_group_reset(dpcm->h_stream));
653 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
654 snd_printdd("pause release\n");
655 hpi_handle_error(hpi_stream_start(dpcm->h_stream));
656 snd_card_asihpi_pcm_timer_start(substream);
658 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
659 snd_printdd("pause\n");
660 snd_card_asihpi_pcm_timer_stop(substream);
661 hpi_handle_error(hpi_stream_stop(dpcm->h_stream));
664 snd_printd(KERN_ERR "\tINVALID\n");
672 Without linking degenerates to getting single stream pos etc
673 Without mmap 2nd loop degenerates to snd_pcm_period_elapsed
676 pcm_buf_dma_ofs=get_buf_pos(s);
677 for_each_linked_stream(s) {
678 pcm_buf_dma_ofs=get_buf_pos(s);
679 min_buf_pos = modulo_min(min_buf_pos, pcm_buf_dma_ofs, buffer_bytes)
680 new_data = min(new_data, calc_new_data(pcm_buf_dma_ofs,irq_pos)
682 timer.expires = jiffies + predict_next_period_ready(min_buf_pos);
683 for_each_linked_stream(s) {
684 s->pcm_buf_dma_ofs = min_buf_pos;
685 if (new_data > period_bytes) {
687 irq_pos = (irq_pos + period_bytes) % buffer_bytes;
694 snd_pcm_period_elapsed(s);
699 /** Minimum of 2 modulo values. Works correctly when the difference between
700 * the values is less than half the modulus
702 static inline unsigned int modulo_min(unsigned int a, unsigned int b,
703 unsigned long int modulus)
706 if (((a-b) % modulus) < (modulus/2))
714 /** Timer function, equivalent to interrupt service routine for cards
716 static void snd_card_asihpi_timer_function(unsigned long data)
718 struct snd_card_asihpi_pcm *dpcm = (struct snd_card_asihpi_pcm *)data;
719 struct snd_pcm_substream *substream = dpcm->substream;
720 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
721 struct snd_pcm_runtime *runtime;
722 struct snd_pcm_substream *s;
723 unsigned int newdata = 0;
724 unsigned int pcm_buf_dma_ofs, min_buf_pos = 0;
725 unsigned int remdata, xfercount, next_jiffies;
729 u32 buffer_size, bytes_avail, samples_played, on_card_bytes;
732 snd_pcm_debug_name(substream, name, sizeof(name));
734 snd_printdd("%s snd_card_asihpi_timer_function\n", name);
736 /* find minimum newdata and buffer pos in group */
737 snd_pcm_group_for_each_entry(s, substream) {
738 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
739 runtime = s->runtime;
741 if (snd_pcm_substream_chip(s) != card)
744 /* don't link Cap and Play */
745 if (substream->stream != s->stream)
748 hpi_handle_error(hpi_stream_get_info_ex(
749 ds->h_stream, &state,
750 &buffer_size, &bytes_avail,
751 &samples_played, &on_card_bytes));
753 /* number of bytes in on-card buffer */
754 runtime->delay = on_card_bytes;
757 on_card_bytes = bytes_avail;
759 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
760 pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail;
761 if (state == HPI_STATE_STOPPED) {
762 if (bytes_avail == 0) {
763 hpi_handle_error(hpi_stream_start(ds->h_stream));
764 snd_printdd("P%d start\n", s->number);
765 ds->drained_count = 0;
767 } else if (state == HPI_STATE_DRAINED) {
768 snd_printd(KERN_WARNING "P%d drained\n",
771 if (ds->drained_count > 20) {
772 snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
776 ds->drained_count = 0;
779 pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs;
782 /* can't statically init min when wrap is involved */
783 min_buf_pos = pcm_buf_dma_ofs;
784 newdata = (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes;
788 modulo_min(min_buf_pos, pcm_buf_dma_ofs, UINT_MAX+1L);
790 (pcm_buf_dma_ofs - ds->pcm_buf_elapsed_dma_ofs) % ds->buffer_bytes,
794 snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n",
795 (unsigned long)frames_to_bytes(runtime,
796 runtime->status->hw_ptr),
797 (unsigned long)frames_to_bytes(runtime,
798 runtime->control->appl_ptr));
800 snd_printdd("%d S=%d, "
801 "rw=0x%04X, dma=0x%04X, left=0x%04X, "
802 "aux=0x%04X space=0x%04X\n",
804 ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs,
806 (int)on_card_bytes, buffer_size-bytes_avail);
809 pcm_buf_dma_ofs = min_buf_pos;
811 remdata = newdata % dpcm->period_bytes;
812 xfercount = newdata - remdata; /* a multiple of period_bytes */
813 /* come back when on_card_bytes has decreased enough to allow
814 write to happen, or when data has been consumed to make another
817 if (xfercount && (on_card_bytes > dpcm->period_bytes))
818 next_jiffies = ((on_card_bytes - dpcm->period_bytes) * HZ / dpcm->bytes_per_sec);
820 next_jiffies = ((dpcm->period_bytes - remdata) * HZ / dpcm->bytes_per_sec);
822 next_jiffies = max(next_jiffies, 1U);
823 dpcm->timer.expires = jiffies + next_jiffies;
824 snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n",
825 next_jiffies, pcm_buf_dma_ofs, newdata, xfercount);
827 snd_pcm_group_for_each_entry(s, substream) {
828 struct snd_card_asihpi_pcm *ds = s->runtime->private_data;
830 /* don't link Cap and Play */
831 if (substream->stream != s->stream)
834 ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs;
837 /* Limit use of on card fifo for playback */
838 ((on_card_bytes <= ds->period_bytes) ||
839 (s->stream == SNDRV_PCM_STREAM_CAPTURE)))
843 unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes;
844 unsigned int xfer1, xfer2;
845 char *pd = &s->runtime->dma_area[buf_ofs];
847 if (card->can_dma) { /* buffer wrap is handled at lower level */
851 xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs);
852 xfer2 = xfercount - xfer1;
855 if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
856 snd_printddd("P%d write1 0x%04X 0x%04X\n",
857 s->number, xfer1, buf_ofs);
859 hpi_outstream_write_buf(
860 ds->h_stream, pd, xfer1,
864 pd = s->runtime->dma_area;
866 snd_printddd("P%d write2 0x%04X 0x%04X\n",
868 xfercount - xfer1, buf_ofs);
870 hpi_outstream_write_buf(
876 snd_printddd("C%d read1 0x%04x\n",
879 hpi_instream_read_buf(
883 pd = s->runtime->dma_area;
884 snd_printddd("C%d read2 0x%04x\n",
887 hpi_instream_read_buf(
892 ds->pcm_buf_host_rw_ofs += xfercount;
893 ds->pcm_buf_elapsed_dma_ofs += xfercount;
894 snd_pcm_period_elapsed(s);
898 if (dpcm->respawn_timer)
899 add_timer(&dpcm->timer);
902 /***************************** PLAYBACK OPS ****************/
903 static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream,
904 unsigned int cmd, void *arg)
907 snd_pcm_debug_name(substream, name, sizeof(name));
908 snd_printddd(KERN_INFO "%s ioctl %d\n", name, cmd);
909 return snd_pcm_lib_ioctl(substream, cmd, arg);
912 static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream *
915 struct snd_pcm_runtime *runtime = substream->runtime;
916 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
918 snd_printdd("P%d prepare\n", substream->number);
920 hpi_handle_error(hpi_outstream_reset(dpcm->h_stream));
921 dpcm->pcm_buf_host_rw_ofs = 0;
922 dpcm->pcm_buf_dma_ofs = 0;
923 dpcm->pcm_buf_elapsed_dma_ofs = 0;
927 static snd_pcm_uframes_t
928 snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream)
930 struct snd_pcm_runtime *runtime = substream->runtime;
931 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
932 snd_pcm_uframes_t ptr;
934 snd_pcm_debug_name(substream, name, sizeof(name));
936 ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
937 snd_printddd("%s pointer = 0x%04lx\n", name, (unsigned long)ptr);
941 static u64 snd_card_asihpi_playback_formats(struct snd_card_asihpi *asihpi,
944 struct hpi_format hpi_format;
948 u32 sample_rate = 48000;
951 /* on cards without SRC, must query at valid rate,
952 * maybe set by external sync
954 err = hpi_mixer_get_control(asihpi->h_mixer,
955 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
956 HPI_CONTROL_SAMPLECLOCK, &h_control);
959 err = hpi_sample_clock_get_sample_rate(h_control,
962 for (format = HPI_FORMAT_PCM8_UNSIGNED;
963 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
964 err = hpi_format_create(&hpi_format, asihpi->out_max_chans,
965 format, sample_rate, 128000, 0);
967 err = hpi_outstream_query_format(h_stream, &hpi_format);
968 if (!err && (hpi_to_alsa_formats[format] != -1))
969 formats |= (1ULL << hpi_to_alsa_formats[format]);
974 static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream)
976 struct snd_pcm_runtime *runtime = substream->runtime;
977 struct snd_card_asihpi_pcm *dpcm;
978 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
979 struct snd_pcm_hardware snd_card_asihpi_playback;
982 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
986 err = hpi_outstream_open(card->hpi->adapter->index,
987 substream->number, &dpcm->h_stream);
988 hpi_handle_error(err);
991 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
996 /*? also check ASI5000 samplerate source
997 If external, only support external rate.
998 If internal and other stream playing, can't switch
1001 init_timer(&dpcm->timer);
1002 dpcm->timer.data = (unsigned long) dpcm;
1003 dpcm->timer.function = snd_card_asihpi_timer_function;
1004 dpcm->substream = substream;
1005 runtime->private_data = dpcm;
1006 runtime->private_free = snd_card_asihpi_runtime_free;
1008 memset(&snd_card_asihpi_playback, 0, sizeof(snd_card_asihpi_playback));
1009 snd_card_asihpi_playback.buffer_bytes_max = BUFFER_BYTES_MAX;
1010 snd_card_asihpi_playback.period_bytes_min = PERIOD_BYTES_MIN;
1011 /*?snd_card_asihpi_playback.period_bytes_min =
1012 card->out_max_chans * 4096; */
1013 snd_card_asihpi_playback.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1014 snd_card_asihpi_playback.periods_min = PERIODS_MIN;
1015 snd_card_asihpi_playback.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1016 /* snd_card_asihpi_playback.fifo_size = 0; */
1017 snd_card_asihpi_playback.channels_max = card->out_max_chans;
1018 snd_card_asihpi_playback.channels_min = card->out_min_chans;
1019 snd_card_asihpi_playback.formats =
1020 snd_card_asihpi_playback_formats(card, dpcm->h_stream);
1022 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_playback);
1024 snd_card_asihpi_playback.info = SNDRV_PCM_INFO_INTERLEAVED |
1025 SNDRV_PCM_INFO_DOUBLE |
1026 SNDRV_PCM_INFO_BATCH |
1027 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1028 SNDRV_PCM_INFO_PAUSE |
1029 SNDRV_PCM_INFO_MMAP |
1030 SNDRV_PCM_INFO_MMAP_VALID;
1032 if (card->support_grouping) {
1033 snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START;
1034 snd_pcm_set_sync(substream);
1037 /* struct is copied, so can create initializer dynamically */
1038 runtime->hw = snd_card_asihpi_playback;
1041 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1042 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1046 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1047 card->update_interval_frames);
1049 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1050 card->update_interval_frames * 2, UINT_MAX);
1052 snd_printdd("playback open\n");
1057 static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream)
1059 struct snd_pcm_runtime *runtime = substream->runtime;
1060 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1062 hpi_handle_error(hpi_outstream_close(dpcm->h_stream));
1063 snd_printdd("playback close\n");
1068 static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = {
1069 .open = snd_card_asihpi_playback_open,
1070 .close = snd_card_asihpi_playback_close,
1071 .ioctl = snd_card_asihpi_playback_ioctl,
1072 .hw_params = snd_card_asihpi_pcm_hw_params,
1073 .hw_free = snd_card_asihpi_hw_free,
1074 .prepare = snd_card_asihpi_playback_prepare,
1075 .trigger = snd_card_asihpi_trigger,
1076 .pointer = snd_card_asihpi_playback_pointer,
1079 /***************************** CAPTURE OPS ****************/
1080 static snd_pcm_uframes_t
1081 snd_card_asihpi_capture_pointer(struct snd_pcm_substream *substream)
1083 struct snd_pcm_runtime *runtime = substream->runtime;
1084 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1086 snd_printddd("capture pointer %d=%d\n",
1087 substream->number, dpcm->pcm_buf_dma_ofs);
1088 /* NOTE Unlike playback can't use actual samples_played
1089 for the capture position, because those samples aren't yet in
1090 the local buffer available for reading.
1092 return bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes);
1095 static int snd_card_asihpi_capture_ioctl(struct snd_pcm_substream *substream,
1096 unsigned int cmd, void *arg)
1098 return snd_pcm_lib_ioctl(substream, cmd, arg);
1101 static int snd_card_asihpi_capture_prepare(struct snd_pcm_substream *substream)
1103 struct snd_pcm_runtime *runtime = substream->runtime;
1104 struct snd_card_asihpi_pcm *dpcm = runtime->private_data;
1106 hpi_handle_error(hpi_instream_reset(dpcm->h_stream));
1107 dpcm->pcm_buf_host_rw_ofs = 0;
1108 dpcm->pcm_buf_dma_ofs = 0;
1109 dpcm->pcm_buf_elapsed_dma_ofs = 0;
1111 snd_printdd("Capture Prepare %d\n", substream->number);
1117 static u64 snd_card_asihpi_capture_formats(struct snd_card_asihpi *asihpi,
1120 struct hpi_format hpi_format;
1124 u32 sample_rate = 48000;
1127 /* on cards without SRC, must query at valid rate,
1128 maybe set by external sync */
1129 err = hpi_mixer_get_control(asihpi->h_mixer,
1130 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
1131 HPI_CONTROL_SAMPLECLOCK, &h_control);
1134 err = hpi_sample_clock_get_sample_rate(h_control,
1137 for (format = HPI_FORMAT_PCM8_UNSIGNED;
1138 format <= HPI_FORMAT_PCM24_SIGNED; format++) {
1140 err = hpi_format_create(&hpi_format, asihpi->in_max_chans,
1141 format, sample_rate, 128000, 0);
1143 err = hpi_instream_query_format(h_stream, &hpi_format);
1145 formats |= (1ULL << hpi_to_alsa_formats[format]);
1150 static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream)
1152 struct snd_pcm_runtime *runtime = substream->runtime;
1153 struct snd_card_asihpi *card = snd_pcm_substream_chip(substream);
1154 struct snd_card_asihpi_pcm *dpcm;
1155 struct snd_pcm_hardware snd_card_asihpi_capture;
1158 dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
1162 snd_printdd("capture open adapter %d stream %d\n",
1163 card->hpi->adapter->index, substream->number);
1165 err = hpi_handle_error(
1166 hpi_instream_open(card->hpi->adapter->index,
1167 substream->number, &dpcm->h_stream));
1170 if (err == HPI_ERROR_OBJ_ALREADY_OPEN)
1175 init_timer(&dpcm->timer);
1176 dpcm->timer.data = (unsigned long) dpcm;
1177 dpcm->timer.function = snd_card_asihpi_timer_function;
1178 dpcm->substream = substream;
1179 runtime->private_data = dpcm;
1180 runtime->private_free = snd_card_asihpi_runtime_free;
1182 memset(&snd_card_asihpi_capture, 0, sizeof(snd_card_asihpi_capture));
1183 snd_card_asihpi_capture.buffer_bytes_max = BUFFER_BYTES_MAX;
1184 snd_card_asihpi_capture.period_bytes_min = PERIOD_BYTES_MIN;
1185 snd_card_asihpi_capture.period_bytes_max = BUFFER_BYTES_MAX / PERIODS_MIN;
1186 snd_card_asihpi_capture.periods_min = PERIODS_MIN;
1187 snd_card_asihpi_capture.periods_max = BUFFER_BYTES_MAX / PERIOD_BYTES_MIN;
1188 /* snd_card_asihpi_capture.fifo_size = 0; */
1189 snd_card_asihpi_capture.channels_max = card->in_max_chans;
1190 snd_card_asihpi_capture.channels_min = card->in_min_chans;
1191 snd_card_asihpi_capture.formats =
1192 snd_card_asihpi_capture_formats(card, dpcm->h_stream);
1193 snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture);
1194 snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED |
1195 SNDRV_PCM_INFO_MMAP |
1196 SNDRV_PCM_INFO_MMAP_VALID;
1198 if (card->support_grouping)
1199 snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START;
1201 runtime->hw = snd_card_asihpi_capture;
1204 err = snd_pcm_hw_constraint_pow2(runtime, 0,
1205 SNDRV_PCM_HW_PARAM_BUFFER_BYTES);
1209 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1210 card->update_interval_frames);
1211 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1212 card->update_interval_frames * 2, UINT_MAX);
1214 snd_pcm_set_sync(substream);
1219 static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream)
1221 struct snd_card_asihpi_pcm *dpcm = substream->runtime->private_data;
1223 hpi_handle_error(hpi_instream_close(dpcm->h_stream));
1227 static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = {
1228 .open = snd_card_asihpi_capture_open,
1229 .close = snd_card_asihpi_capture_close,
1230 .ioctl = snd_card_asihpi_capture_ioctl,
1231 .hw_params = snd_card_asihpi_pcm_hw_params,
1232 .hw_free = snd_card_asihpi_hw_free,
1233 .prepare = snd_card_asihpi_capture_prepare,
1234 .trigger = snd_card_asihpi_trigger,
1235 .pointer = snd_card_asihpi_capture_pointer,
1238 static int __devinit snd_card_asihpi_pcm_new(
1239 struct snd_card_asihpi *asihpi, int device)
1241 struct snd_pcm *pcm;
1243 u16 num_instreams, num_outstreams, x16;
1246 err = hpi_adapter_get_info(asihpi->hpi->adapter->index,
1247 &num_outstreams, &num_instreams,
1250 err = snd_pcm_new(asihpi->card, "Asihpi PCM", device,
1251 num_outstreams, num_instreams, &pcm);
1254 /* pointer to ops struct is stored, dont change ops afterwards! */
1255 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1256 &snd_card_asihpi_playback_mmap_ops);
1257 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1258 &snd_card_asihpi_capture_mmap_ops);
1260 pcm->private_data = asihpi;
1261 pcm->info_flags = 0;
1262 strcpy(pcm->name, "Asihpi PCM");
1264 /*? do we want to emulate MMAP for non-BBM cards?
1265 Jack doesn't work with ALSAs MMAP emulation - WHY NOT? */
1266 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1267 snd_dma_pci_data(asihpi->pci),
1268 64*1024, BUFFER_BYTES_MAX);
1273 /***************************** MIXER CONTROLS ****************/
1274 struct hpi_control {
1282 char name[44]; /* copied to snd_ctl_elem_id.name[44]; */
1285 static const char * const asihpi_tuner_band_names[] = {
1298 compile_time_assert(
1299 (ARRAY_SIZE(asihpi_tuner_band_names) ==
1300 (HPI_TUNER_BAND_LAST+1)),
1301 assert_tuner_band_names_size);
1303 static const char * const asihpi_src_names[] = {
1320 compile_time_assert(
1321 (ARRAY_SIZE(asihpi_src_names) ==
1322 (HPI_SOURCENODE_LAST_INDEX-HPI_SOURCENODE_NONE+1)),
1323 assert_src_names_size);
1325 static const char * const asihpi_dst_names[] = {
1337 compile_time_assert(
1338 (ARRAY_SIZE(asihpi_dst_names) ==
1339 (HPI_DESTNODE_LAST_INDEX-HPI_DESTNODE_NONE+1)),
1340 assert_dst_names_size);
1342 static inline int ctl_add(struct snd_card *card, struct snd_kcontrol_new *ctl,
1343 struct snd_card_asihpi *asihpi)
1347 err = snd_ctl_add(card, snd_ctl_new1(ctl, asihpi));
1350 else if (mixer_dump)
1351 snd_printk(KERN_INFO "added %s(%d)\n", ctl->name, ctl->index);
1356 /* Convert HPI control name and location into ALSA control name */
1357 static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control,
1358 struct hpi_control *hpi_ctl,
1362 memset(snd_control, 0, sizeof(*snd_control));
1363 snd_control->name = hpi_ctl->name;
1364 snd_control->private_value = hpi_ctl->h_control;
1365 snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1366 snd_control->index = 0;
1368 if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE)
1369 dir = ""; /* clock is neither capture nor playback */
1370 else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM)
1371 dir = "Capture "; /* On or towards a PCM capture destination*/
1372 else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1373 (!hpi_ctl->dst_node_type))
1374 dir = "Capture "; /* On a source node that is not PCM playback */
1375 else if (hpi_ctl->src_node_type &&
1376 (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) &&
1377 (hpi_ctl->dst_node_type))
1378 dir = "Monitor Playback "; /* Between an input and an output */
1380 dir = "Playback "; /* PCM Playback source, or output node */
1382 if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type)
1383 sprintf(hpi_ctl->name, "%s %d %s %d %s%s",
1384 asihpi_src_names[hpi_ctl->src_node_type],
1385 hpi_ctl->src_node_index,
1386 asihpi_dst_names[hpi_ctl->dst_node_type],
1387 hpi_ctl->dst_node_index,
1389 else if (hpi_ctl->dst_node_type) {
1390 sprintf(hpi_ctl->name, "%s %d %s%s",
1391 asihpi_dst_names[hpi_ctl->dst_node_type],
1392 hpi_ctl->dst_node_index,
1395 sprintf(hpi_ctl->name, "%s %d %s%s",
1396 asihpi_src_names[hpi_ctl->src_node_type],
1397 hpi_ctl->src_node_index,
1400 /* printk(KERN_INFO "Adding %s %d to %d ", hpi_ctl->name,
1401 hpi_ctl->wSrcNodeType, hpi_ctl->wDstNodeType); */
1404 /*------------------------------------------------------------
1406 ------------------------------------------------------------*/
1407 #define VOL_STEP_mB 1
1408 static int snd_asihpi_volume_info(struct snd_kcontrol *kcontrol,
1409 struct snd_ctl_elem_info *uinfo)
1411 u32 h_control = kcontrol->private_value;
1414 /* native gains are in millibels */
1419 err = hpi_volume_query_range(h_control,
1420 &min_gain_mB, &max_gain_mB, &step_gain_mB);
1423 min_gain_mB = -10000;
1424 step_gain_mB = VOL_STEP_mB;
1427 err = hpi_meter_query_channels(h_control, &count);
1429 count = HPI_MAX_CHANNELS;
1431 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1432 uinfo->count = count;
1433 uinfo->value.integer.min = min_gain_mB / VOL_STEP_mB;
1434 uinfo->value.integer.max = max_gain_mB / VOL_STEP_mB;
1435 uinfo->value.integer.step = step_gain_mB / VOL_STEP_mB;
1439 static int snd_asihpi_volume_get(struct snd_kcontrol *kcontrol,
1440 struct snd_ctl_elem_value *ucontrol)
1442 u32 h_control = kcontrol->private_value;
1443 short an_gain_mB[HPI_MAX_CHANNELS];
1445 hpi_handle_error(hpi_volume_get_gain(h_control, an_gain_mB));
1446 ucontrol->value.integer.value[0] = an_gain_mB[0] / VOL_STEP_mB;
1447 ucontrol->value.integer.value[1] = an_gain_mB[1] / VOL_STEP_mB;
1452 static int snd_asihpi_volume_put(struct snd_kcontrol *kcontrol,
1453 struct snd_ctl_elem_value *ucontrol)
1456 u32 h_control = kcontrol->private_value;
1457 short an_gain_mB[HPI_MAX_CHANNELS];
1460 (ucontrol->value.integer.value[0]) * VOL_STEP_mB;
1462 (ucontrol->value.integer.value[1]) * VOL_STEP_mB;
1463 /* change = asihpi->mixer_volume[addr][0] != left ||
1464 asihpi->mixer_volume[addr][1] != right;
1467 hpi_handle_error(hpi_volume_set_gain(h_control, an_gain_mB));
1471 static const DECLARE_TLV_DB_SCALE(db_scale_100, -10000, VOL_STEP_mB, 0);
1473 #define snd_asihpi_volume_mute_info snd_ctl_boolean_mono_info
1475 static int snd_asihpi_volume_mute_get(struct snd_kcontrol *kcontrol,
1476 struct snd_ctl_elem_value *ucontrol)
1478 u32 h_control = kcontrol->private_value;
1481 hpi_handle_error(hpi_volume_get_mute(h_control, &mute));
1482 ucontrol->value.integer.value[0] = mute ? 0 : 1;
1487 static int snd_asihpi_volume_mute_put(struct snd_kcontrol *kcontrol,
1488 struct snd_ctl_elem_value *ucontrol)
1490 u32 h_control = kcontrol->private_value;
1492 /* HPI currently only supports all or none muting of multichannel volume
1493 ALSA Switch element has opposite sense to HPI mute: on==unmuted, off=muted
1495 int mute = ucontrol->value.integer.value[0] ? 0 : HPI_BITMASK_ALL_CHANNELS;
1496 hpi_handle_error(hpi_volume_set_mute(h_control, mute));
1500 static int __devinit snd_asihpi_volume_add(struct snd_card_asihpi *asihpi,
1501 struct hpi_control *hpi_ctl)
1503 struct snd_card *card = asihpi->card;
1504 struct snd_kcontrol_new snd_control;
1508 asihpi_ctl_init(&snd_control, hpi_ctl, "Volume");
1509 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1510 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1511 snd_control.info = snd_asihpi_volume_info;
1512 snd_control.get = snd_asihpi_volume_get;
1513 snd_control.put = snd_asihpi_volume_put;
1514 snd_control.tlv.p = db_scale_100;
1516 err = ctl_add(card, &snd_control, asihpi);
1520 if (hpi_volume_get_mute(hpi_ctl->h_control, &mute) == 0) {
1521 asihpi_ctl_init(&snd_control, hpi_ctl, "Switch");
1522 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1523 snd_control.info = snd_asihpi_volume_mute_info;
1524 snd_control.get = snd_asihpi_volume_mute_get;
1525 snd_control.put = snd_asihpi_volume_mute_put;
1526 err = ctl_add(card, &snd_control, asihpi);
1531 /*------------------------------------------------------------
1533 ------------------------------------------------------------*/
1534 static int snd_asihpi_level_info(struct snd_kcontrol *kcontrol,
1535 struct snd_ctl_elem_info *uinfo)
1537 u32 h_control = kcontrol->private_value;
1544 hpi_level_query_range(h_control, &min_gain_mB,
1545 &max_gain_mB, &step_gain_mB);
1548 min_gain_mB = -1000;
1552 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1554 uinfo->value.integer.min = min_gain_mB / HPI_UNITS_PER_dB;
1555 uinfo->value.integer.max = max_gain_mB / HPI_UNITS_PER_dB;
1556 uinfo->value.integer.step = step_gain_mB / HPI_UNITS_PER_dB;
1560 static int snd_asihpi_level_get(struct snd_kcontrol *kcontrol,
1561 struct snd_ctl_elem_value *ucontrol)
1563 u32 h_control = kcontrol->private_value;
1564 short an_gain_mB[HPI_MAX_CHANNELS];
1566 hpi_handle_error(hpi_level_get_gain(h_control, an_gain_mB));
1567 ucontrol->value.integer.value[0] =
1568 an_gain_mB[0] / HPI_UNITS_PER_dB;
1569 ucontrol->value.integer.value[1] =
1570 an_gain_mB[1] / HPI_UNITS_PER_dB;
1575 static int snd_asihpi_level_put(struct snd_kcontrol *kcontrol,
1576 struct snd_ctl_elem_value *ucontrol)
1579 u32 h_control = kcontrol->private_value;
1580 short an_gain_mB[HPI_MAX_CHANNELS];
1583 (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1585 (ucontrol->value.integer.value[1]) * HPI_UNITS_PER_dB;
1586 /* change = asihpi->mixer_level[addr][0] != left ||
1587 asihpi->mixer_level[addr][1] != right;
1590 hpi_handle_error(hpi_level_set_gain(h_control, an_gain_mB));
1594 static const DECLARE_TLV_DB_SCALE(db_scale_level, -1000, 100, 0);
1596 static int __devinit snd_asihpi_level_add(struct snd_card_asihpi *asihpi,
1597 struct hpi_control *hpi_ctl)
1599 struct snd_card *card = asihpi->card;
1600 struct snd_kcontrol_new snd_control;
1602 /* can't use 'volume' cos some nodes have volume as well */
1603 asihpi_ctl_init(&snd_control, hpi_ctl, "Level");
1604 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1605 SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1606 snd_control.info = snd_asihpi_level_info;
1607 snd_control.get = snd_asihpi_level_get;
1608 snd_control.put = snd_asihpi_level_put;
1609 snd_control.tlv.p = db_scale_level;
1611 return ctl_add(card, &snd_control, asihpi);
1614 /*------------------------------------------------------------
1616 ------------------------------------------------------------*/
1619 static const char * const asihpi_aesebu_format_names[] = {
1620 "N/A", "S/PDIF", "AES/EBU" };
1622 static int snd_asihpi_aesebu_format_info(struct snd_kcontrol *kcontrol,
1623 struct snd_ctl_elem_info *uinfo)
1625 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1627 uinfo->value.enumerated.items = 3;
1629 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
1630 uinfo->value.enumerated.item =
1631 uinfo->value.enumerated.items - 1;
1633 strcpy(uinfo->value.enumerated.name,
1634 asihpi_aesebu_format_names[uinfo->value.enumerated.item]);
1639 static int snd_asihpi_aesebu_format_get(struct snd_kcontrol *kcontrol,
1640 struct snd_ctl_elem_value *ucontrol,
1641 u16 (*func)(u32, u16 *))
1643 u32 h_control = kcontrol->private_value;
1646 err = func(h_control, &source);
1648 /* default to N/A */
1649 ucontrol->value.enumerated.item[0] = 0;
1650 /* return success but set the control to N/A */
1653 if (source == HPI_AESEBU_FORMAT_SPDIF)
1654 ucontrol->value.enumerated.item[0] = 1;
1655 if (source == HPI_AESEBU_FORMAT_AESEBU)
1656 ucontrol->value.enumerated.item[0] = 2;
1661 static int snd_asihpi_aesebu_format_put(struct snd_kcontrol *kcontrol,
1662 struct snd_ctl_elem_value *ucontrol,
1663 u16 (*func)(u32, u16))
1665 u32 h_control = kcontrol->private_value;
1667 /* default to S/PDIF */
1668 u16 source = HPI_AESEBU_FORMAT_SPDIF;
1670 if (ucontrol->value.enumerated.item[0] == 1)
1671 source = HPI_AESEBU_FORMAT_SPDIF;
1672 if (ucontrol->value.enumerated.item[0] == 2)
1673 source = HPI_AESEBU_FORMAT_AESEBU;
1675 if (func(h_control, source) != 0)
1681 static int snd_asihpi_aesebu_rx_format_get(struct snd_kcontrol *kcontrol,
1682 struct snd_ctl_elem_value *ucontrol) {
1683 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1684 hpi_aesebu_receiver_get_format);
1687 static int snd_asihpi_aesebu_rx_format_put(struct snd_kcontrol *kcontrol,
1688 struct snd_ctl_elem_value *ucontrol) {
1689 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1690 hpi_aesebu_receiver_set_format);
1693 static int snd_asihpi_aesebu_rxstatus_info(struct snd_kcontrol *kcontrol,
1694 struct snd_ctl_elem_info *uinfo)
1696 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1699 uinfo->value.integer.min = 0;
1700 uinfo->value.integer.max = 0X1F;
1701 uinfo->value.integer.step = 1;
1706 static int snd_asihpi_aesebu_rxstatus_get(struct snd_kcontrol *kcontrol,
1707 struct snd_ctl_elem_value *ucontrol) {
1709 u32 h_control = kcontrol->private_value;
1712 hpi_handle_error(hpi_aesebu_receiver_get_error_status(
1713 h_control, &status));
1714 ucontrol->value.integer.value[0] = status;
1718 static int __devinit snd_asihpi_aesebu_rx_add(struct snd_card_asihpi *asihpi,
1719 struct hpi_control *hpi_ctl)
1721 struct snd_card *card = asihpi->card;
1722 struct snd_kcontrol_new snd_control;
1724 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1725 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1726 snd_control.info = snd_asihpi_aesebu_format_info;
1727 snd_control.get = snd_asihpi_aesebu_rx_format_get;
1728 snd_control.put = snd_asihpi_aesebu_rx_format_put;
1731 if (ctl_add(card, &snd_control, asihpi) < 0)
1734 asihpi_ctl_init(&snd_control, hpi_ctl, "Status");
1735 snd_control.access =
1736 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
1737 snd_control.info = snd_asihpi_aesebu_rxstatus_info;
1738 snd_control.get = snd_asihpi_aesebu_rxstatus_get;
1740 return ctl_add(card, &snd_control, asihpi);
1743 static int snd_asihpi_aesebu_tx_format_get(struct snd_kcontrol *kcontrol,
1744 struct snd_ctl_elem_value *ucontrol) {
1745 return snd_asihpi_aesebu_format_get(kcontrol, ucontrol,
1746 hpi_aesebu_transmitter_get_format);
1749 static int snd_asihpi_aesebu_tx_format_put(struct snd_kcontrol *kcontrol,
1750 struct snd_ctl_elem_value *ucontrol) {
1751 return snd_asihpi_aesebu_format_put(kcontrol, ucontrol,
1752 hpi_aesebu_transmitter_set_format);
1756 static int __devinit snd_asihpi_aesebu_tx_add(struct snd_card_asihpi *asihpi,
1757 struct hpi_control *hpi_ctl)
1759 struct snd_card *card = asihpi->card;
1760 struct snd_kcontrol_new snd_control;
1762 asihpi_ctl_init(&snd_control, hpi_ctl, "Format");
1763 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
1764 snd_control.info = snd_asihpi_aesebu_format_info;
1765 snd_control.get = snd_asihpi_aesebu_tx_format_get;
1766 snd_control.put = snd_asihpi_aesebu_tx_format_put;
1768 return ctl_add(card, &snd_control, asihpi);
1771 /*------------------------------------------------------------
1773 ------------------------------------------------------------*/
1777 static int snd_asihpi_tuner_gain_info(struct snd_kcontrol *kcontrol,
1778 struct snd_ctl_elem_info *uinfo)
1780 u32 h_control = kcontrol->private_value;
1785 for (idx = 0; idx < 3; idx++) {
1786 err = hpi_tuner_query_gain(h_control,
1787 idx, &gain_range[idx]);
1792 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1794 uinfo->value.integer.min = ((int)gain_range[0]) / HPI_UNITS_PER_dB;
1795 uinfo->value.integer.max = ((int)gain_range[1]) / HPI_UNITS_PER_dB;
1796 uinfo->value.integer.step = ((int) gain_range[2]) / HPI_UNITS_PER_dB;
1800 static int snd_asihpi_tuner_gain_get(struct snd_kcontrol *kcontrol,
1801 struct snd_ctl_elem_value *ucontrol)
1804 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1806 u32 h_control = kcontrol->private_value;
1809 hpi_handle_error(hpi_tuner_get_gain(h_control, &gain));
1810 ucontrol->value.integer.value[0] = gain / HPI_UNITS_PER_dB;
1815 static int snd_asihpi_tuner_gain_put(struct snd_kcontrol *kcontrol,
1816 struct snd_ctl_elem_value *ucontrol)
1819 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1821 u32 h_control = kcontrol->private_value;
1824 gain = (ucontrol->value.integer.value[0]) * HPI_UNITS_PER_dB;
1825 hpi_handle_error(hpi_tuner_set_gain(h_control, gain));
1832 static int asihpi_tuner_band_query(struct snd_kcontrol *kcontrol,
1833 u16 *band_list, u32 len) {
1834 u32 h_control = kcontrol->private_value;
1838 for (i = 0; i < len; i++) {
1839 err = hpi_tuner_query_band(
1840 h_control, i, &band_list[i]);
1845 if (err && (err != HPI_ERROR_INVALID_OBJ_INDEX))
1851 static int snd_asihpi_tuner_band_info(struct snd_kcontrol *kcontrol,
1852 struct snd_ctl_elem_info *uinfo)
1854 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1857 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1858 HPI_TUNER_BAND_LAST);
1863 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1865 uinfo->value.enumerated.items = num_bands;
1867 if (num_bands > 0) {
1868 if (uinfo->value.enumerated.item >=
1869 uinfo->value.enumerated.items)
1870 uinfo->value.enumerated.item =
1871 uinfo->value.enumerated.items - 1;
1873 strcpy(uinfo->value.enumerated.name,
1874 asihpi_tuner_band_names[
1875 tuner_bands[uinfo->value.enumerated.item]]);
1881 static int snd_asihpi_tuner_band_get(struct snd_kcontrol *kcontrol,
1882 struct snd_ctl_elem_value *ucontrol)
1884 u32 h_control = kcontrol->private_value;
1886 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1889 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1892 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1893 HPI_TUNER_BAND_LAST);
1895 hpi_handle_error(hpi_tuner_get_band(h_control, &band));
1897 ucontrol->value.enumerated.item[0] = -1;
1898 for (idx = 0; idx < HPI_TUNER_BAND_LAST; idx++)
1899 if (tuner_bands[idx] == band) {
1900 ucontrol->value.enumerated.item[0] = idx;
1907 static int snd_asihpi_tuner_band_put(struct snd_kcontrol *kcontrol,
1908 struct snd_ctl_elem_value *ucontrol)
1911 struct snd_card_asihpi *asihpi = snd_kcontrol_chip(kcontrol);
1913 u32 h_control = kcontrol->private_value;
1915 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1918 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1919 HPI_TUNER_BAND_LAST);
1921 band = tuner_bands[ucontrol->value.enumerated.item[0]];
1922 hpi_handle_error(hpi_tuner_set_band(h_control, band));
1929 static int snd_asihpi_tuner_freq_info(struct snd_kcontrol *kcontrol,
1930 struct snd_ctl_elem_info *uinfo)
1932 u32 h_control = kcontrol->private_value;
1934 u16 tuner_bands[HPI_TUNER_BAND_LAST];
1935 u16 num_bands = 0, band_iter, idx;
1936 u32 freq_range[3], temp_freq_range[3];
1938 num_bands = asihpi_tuner_band_query(kcontrol, tuner_bands,
1939 HPI_TUNER_BAND_LAST);
1941 freq_range[0] = INT_MAX;
1943 freq_range[2] = INT_MAX;
1945 for (band_iter = 0; band_iter < num_bands; band_iter++) {
1946 for (idx = 0; idx < 3; idx++) {
1947 err = hpi_tuner_query_frequency(h_control,
1948 idx, tuner_bands[band_iter],
1949 &temp_freq_range[idx]);
1954 /* skip band with bogus stepping */
1955 if (temp_freq_range[2] <= 0)
1958 if (temp_freq_range[0] < freq_range[0])
1959 freq_range[0] = temp_freq_range[0];
1960 if (temp_freq_range[1] > freq_range[1])
1961 freq_range[1] = temp_freq_range[1];
1962 if (temp_freq_range[2] < freq_range[2])
1963 freq_range[2] = temp_freq_range[2];
1966 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1968 uinfo->value.integer.min = ((int)freq_range[0]);
1969 uinfo->value.integer.max = ((int)freq_range[1]);
1970 uinfo->value.integer.step = ((int)freq_range[2]);
1974 static int snd_asihpi_tuner_freq_get(struct snd_kcontrol *kcontrol,
1975 struct snd_ctl_elem_value *ucontrol)
1977 u32 h_control = kcontrol->private_value;
1980 hpi_handle_error(hpi_tuner_get_frequency(h_control, &freq));
1981 ucontrol->value.integer.value[0] = freq;
1986 static int snd_asihpi_tuner_freq_put(struct snd_kcontrol *kcontrol,
1987 struct snd_ctl_elem_value *ucontrol)
1989 u32 h_control = kcontrol->private_value;
1992 freq = ucontrol->value.integer.value[0];
1993 hpi_handle_error(hpi_tuner_set_frequency(h_control, freq));
1998 /* Tuner control group initializer */
1999 static int __devinit snd_asihpi_tuner_add(struct snd_card_asihpi *asihpi,
2000 struct hpi_control *hpi_ctl)
2002 struct snd_card *card = asihpi->card;
2003 struct snd_kcontrol_new snd_control;
2005 snd_control.private_value = hpi_ctl->h_control;
2006 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2008 if (!hpi_tuner_get_gain(hpi_ctl->h_control, NULL)) {
2009 asihpi_ctl_init(&snd_control, hpi_ctl, "Gain");
2010 snd_control.info = snd_asihpi_tuner_gain_info;
2011 snd_control.get = snd_asihpi_tuner_gain_get;
2012 snd_control.put = snd_asihpi_tuner_gain_put;
2014 if (ctl_add(card, &snd_control, asihpi) < 0)
2018 asihpi_ctl_init(&snd_control, hpi_ctl, "Band");
2019 snd_control.info = snd_asihpi_tuner_band_info;
2020 snd_control.get = snd_asihpi_tuner_band_get;
2021 snd_control.put = snd_asihpi_tuner_band_put;
2023 if (ctl_add(card, &snd_control, asihpi) < 0)
2026 asihpi_ctl_init(&snd_control, hpi_ctl, "Freq");
2027 snd_control.info = snd_asihpi_tuner_freq_info;
2028 snd_control.get = snd_asihpi_tuner_freq_get;
2029 snd_control.put = snd_asihpi_tuner_freq_put;
2031 return ctl_add(card, &snd_control, asihpi);
2034 /*------------------------------------------------------------
2036 ------------------------------------------------------------*/
2037 static int snd_asihpi_meter_info(struct snd_kcontrol *kcontrol,
2038 struct snd_ctl_elem_info *uinfo)
2040 u32 h_control = kcontrol->private_value;
2043 err = hpi_meter_query_channels(h_control, &count);
2045 count = HPI_MAX_CHANNELS;
2047 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2048 uinfo->count = count;
2049 uinfo->value.integer.min = 0;
2050 uinfo->value.integer.max = 0x7FFFFFFF;
2054 /* linear values for 10dB steps */
2055 static int log2lin[] = {
2056 0x7FFFFFFF, /* 0dB */
2062 2147484, /* -60dB */
2077 static int snd_asihpi_meter_get(struct snd_kcontrol *kcontrol,
2078 struct snd_ctl_elem_value *ucontrol)
2080 u32 h_control = kcontrol->private_value;
2081 short an_gain_mB[HPI_MAX_CHANNELS], i;
2084 err = hpi_meter_get_peak(h_control, an_gain_mB);
2086 for (i = 0; i < HPI_MAX_CHANNELS; i++) {
2088 ucontrol->value.integer.value[i] = 0;
2089 } else if (an_gain_mB[i] >= 0) {
2090 ucontrol->value.integer.value[i] =
2091 an_gain_mB[i] << 16;
2093 /* -ve is log value in millibels < -60dB,
2094 * convert to (roughly!) linear,
2096 ucontrol->value.integer.value[i] =
2097 log2lin[an_gain_mB[i] / -1000];
2103 static int __devinit snd_asihpi_meter_add(struct snd_card_asihpi *asihpi,
2104 struct hpi_control *hpi_ctl, int subidx)
2106 struct snd_card *card = asihpi->card;
2107 struct snd_kcontrol_new snd_control;
2109 asihpi_ctl_init(&snd_control, hpi_ctl, "Meter");
2110 snd_control.access =
2111 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2112 snd_control.info = snd_asihpi_meter_info;
2113 snd_control.get = snd_asihpi_meter_get;
2115 snd_control.index = subidx;
2117 return ctl_add(card, &snd_control, asihpi);
2120 /*------------------------------------------------------------
2121 Multiplexer controls
2122 ------------------------------------------------------------*/
2123 static int snd_card_asihpi_mux_count_sources(struct snd_kcontrol *snd_control)
2125 u32 h_control = snd_control->private_value;
2126 struct hpi_control hpi_ctl;
2128 for (s = 0; s < 32; s++) {
2129 err = hpi_multiplexer_query_source(h_control, s,
2140 static int snd_asihpi_mux_info(struct snd_kcontrol *kcontrol,
2141 struct snd_ctl_elem_info *uinfo)
2144 u16 src_node_type, src_node_index;
2145 u32 h_control = kcontrol->private_value;
2147 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2149 uinfo->value.enumerated.items =
2150 snd_card_asihpi_mux_count_sources(kcontrol);
2152 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2153 uinfo->value.enumerated.item =
2154 uinfo->value.enumerated.items - 1;
2157 hpi_multiplexer_query_source(h_control,
2158 uinfo->value.enumerated.item,
2159 &src_node_type, &src_node_index);
2161 sprintf(uinfo->value.enumerated.name, "%s %d",
2162 asihpi_src_names[src_node_type - HPI_SOURCENODE_NONE],
2167 static int snd_asihpi_mux_get(struct snd_kcontrol *kcontrol,
2168 struct snd_ctl_elem_value *ucontrol)
2170 u32 h_control = kcontrol->private_value;
2171 u16 source_type, source_index;
2172 u16 src_node_type, src_node_index;
2175 hpi_handle_error(hpi_multiplexer_get_source(h_control,
2176 &source_type, &source_index));
2177 /* Should cache this search result! */
2178 for (s = 0; s < 256; s++) {
2179 if (hpi_multiplexer_query_source(h_control, s,
2180 &src_node_type, &src_node_index))
2183 if ((source_type == src_node_type)
2184 && (source_index == src_node_index)) {
2185 ucontrol->value.enumerated.item[0] = s;
2189 snd_printd(KERN_WARNING
2190 "Control %x failed to match mux source %hu %hu\n",
2191 h_control, source_type, source_index);
2192 ucontrol->value.enumerated.item[0] = 0;
2196 static int snd_asihpi_mux_put(struct snd_kcontrol *kcontrol,
2197 struct snd_ctl_elem_value *ucontrol)
2200 u32 h_control = kcontrol->private_value;
2201 u16 source_type, source_index;
2206 e = hpi_multiplexer_query_source(h_control,
2207 ucontrol->value.enumerated.item[0],
2208 &source_type, &source_index);
2211 hpi_multiplexer_set_source(h_control,
2212 source_type, source_index));
2217 static int __devinit snd_asihpi_mux_add(struct snd_card_asihpi *asihpi,
2218 struct hpi_control *hpi_ctl)
2220 struct snd_card *card = asihpi->card;
2221 struct snd_kcontrol_new snd_control;
2223 asihpi_ctl_init(&snd_control, hpi_ctl, "Route");
2224 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2225 snd_control.info = snd_asihpi_mux_info;
2226 snd_control.get = snd_asihpi_mux_get;
2227 snd_control.put = snd_asihpi_mux_put;
2229 return ctl_add(card, &snd_control, asihpi);
2233 /*------------------------------------------------------------
2234 Channel mode controls
2235 ------------------------------------------------------------*/
2236 static int snd_asihpi_cmode_info(struct snd_kcontrol *kcontrol,
2237 struct snd_ctl_elem_info *uinfo)
2239 static const char * const mode_names[HPI_CHANNEL_MODE_LAST + 1] = {
2242 "From Left", "From Right",
2243 "To Left", "To Right"
2246 u32 h_control = kcontrol->private_value;
2250 int valid_modes = 0;
2252 /* HPI channel mode values can be from 1 to 6
2253 Some adapters only support a contiguous subset
2255 for (i = 0; i < HPI_CHANNEL_MODE_LAST; i++)
2256 if (!hpi_channel_mode_query_mode(
2257 h_control, i, &mode)) {
2258 mode_map[valid_modes] = mode;
2265 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2267 uinfo->value.enumerated.items = valid_modes;
2269 if (uinfo->value.enumerated.item >= valid_modes)
2270 uinfo->value.enumerated.item = valid_modes - 1;
2272 strcpy(uinfo->value.enumerated.name,
2273 mode_names[mode_map[uinfo->value.enumerated.item]]);
2278 static int snd_asihpi_cmode_get(struct snd_kcontrol *kcontrol,
2279 struct snd_ctl_elem_value *ucontrol)
2281 u32 h_control = kcontrol->private_value;
2284 if (hpi_channel_mode_get(h_control, &mode))
2287 ucontrol->value.enumerated.item[0] = mode - 1;
2292 static int snd_asihpi_cmode_put(struct snd_kcontrol *kcontrol,
2293 struct snd_ctl_elem_value *ucontrol)
2296 u32 h_control = kcontrol->private_value;
2300 hpi_handle_error(hpi_channel_mode_set(h_control,
2301 ucontrol->value.enumerated.item[0] + 1));
2306 static int __devinit snd_asihpi_cmode_add(struct snd_card_asihpi *asihpi,
2307 struct hpi_control *hpi_ctl)
2309 struct snd_card *card = asihpi->card;
2310 struct snd_kcontrol_new snd_control;
2312 asihpi_ctl_init(&snd_control, hpi_ctl, "Mode");
2313 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
2314 snd_control.info = snd_asihpi_cmode_info;
2315 snd_control.get = snd_asihpi_cmode_get;
2316 snd_control.put = snd_asihpi_cmode_put;
2318 return ctl_add(card, &snd_control, asihpi);
2321 /*------------------------------------------------------------
2322 Sampleclock source controls
2323 ------------------------------------------------------------*/
2324 static char *sampleclock_sources[MAX_CLOCKSOURCES] = {
2325 "N/A", "Local PLL", "Digital Sync", "Word External", "Word Header",
2326 "SMPTE", "Digital1", "Auto", "Network", "Invalid",
2328 "Digital2", "Digital3", "Digital4", "Digital5",
2329 "Digital6", "Digital7", "Digital8"};
2331 static int snd_asihpi_clksrc_info(struct snd_kcontrol *kcontrol,
2332 struct snd_ctl_elem_info *uinfo)
2334 struct snd_card_asihpi *asihpi =
2335 (struct snd_card_asihpi *)(kcontrol->private_data);
2336 struct clk_cache *clkcache = &asihpi->cc;
2337 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2339 uinfo->value.enumerated.items = clkcache->count;
2341 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
2342 uinfo->value.enumerated.item =
2343 uinfo->value.enumerated.items - 1;
2345 strcpy(uinfo->value.enumerated.name,
2346 clkcache->s[uinfo->value.enumerated.item].name);
2350 static int snd_asihpi_clksrc_get(struct snd_kcontrol *kcontrol,
2351 struct snd_ctl_elem_value *ucontrol)
2353 struct snd_card_asihpi *asihpi =
2354 (struct snd_card_asihpi *)(kcontrol->private_data);
2355 struct clk_cache *clkcache = &asihpi->cc;
2356 u32 h_control = kcontrol->private_value;
2357 u16 source, srcindex = 0;
2360 ucontrol->value.enumerated.item[0] = 0;
2361 if (hpi_sample_clock_get_source(h_control, &source))
2364 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2365 if (hpi_sample_clock_get_source_index(h_control, &srcindex))
2368 for (i = 0; i < clkcache->count; i++)
2369 if ((clkcache->s[i].source == source) &&
2370 (clkcache->s[i].index == srcindex))
2373 ucontrol->value.enumerated.item[0] = i;
2378 static int snd_asihpi_clksrc_put(struct snd_kcontrol *kcontrol,
2379 struct snd_ctl_elem_value *ucontrol)
2381 struct snd_card_asihpi *asihpi =
2382 (struct snd_card_asihpi *)(kcontrol->private_data);
2383 struct clk_cache *clkcache = &asihpi->cc;
2385 u32 h_control = kcontrol->private_value;
2388 item = ucontrol->value.enumerated.item[0];
2389 if (item >= clkcache->count)
2390 item = clkcache->count-1;
2392 hpi_handle_error(hpi_sample_clock_set_source(
2393 h_control, clkcache->s[item].source));
2395 if (clkcache->s[item].source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2396 hpi_handle_error(hpi_sample_clock_set_source_index(
2397 h_control, clkcache->s[item].index));
2401 /*------------------------------------------------------------
2403 ------------------------------------------------------------*/
2404 /* Need to change this to enumerated control with list of rates */
2405 static int snd_asihpi_clklocal_info(struct snd_kcontrol *kcontrol,
2406 struct snd_ctl_elem_info *uinfo)
2408 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2410 uinfo->value.integer.min = 8000;
2411 uinfo->value.integer.max = 192000;
2412 uinfo->value.integer.step = 100;
2417 static int snd_asihpi_clklocal_get(struct snd_kcontrol *kcontrol,
2418 struct snd_ctl_elem_value *ucontrol)
2420 u32 h_control = kcontrol->private_value;
2424 e = hpi_sample_clock_get_local_rate(h_control, &rate);
2426 ucontrol->value.integer.value[0] = rate;
2428 ucontrol->value.integer.value[0] = 0;
2432 static int snd_asihpi_clklocal_put(struct snd_kcontrol *kcontrol,
2433 struct snd_ctl_elem_value *ucontrol)
2436 u32 h_control = kcontrol->private_value;
2438 /* change = asihpi->mixer_clkrate[addr][0] != left ||
2439 asihpi->mixer_clkrate[addr][1] != right;
2442 hpi_handle_error(hpi_sample_clock_set_local_rate(h_control,
2443 ucontrol->value.integer.value[0]));
2447 static int snd_asihpi_clkrate_info(struct snd_kcontrol *kcontrol,
2448 struct snd_ctl_elem_info *uinfo)
2450 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2452 uinfo->value.integer.min = 8000;
2453 uinfo->value.integer.max = 192000;
2454 uinfo->value.integer.step = 100;
2459 static int snd_asihpi_clkrate_get(struct snd_kcontrol *kcontrol,
2460 struct snd_ctl_elem_value *ucontrol)
2462 u32 h_control = kcontrol->private_value;
2466 e = hpi_sample_clock_get_sample_rate(h_control, &rate);
2468 ucontrol->value.integer.value[0] = rate;
2470 ucontrol->value.integer.value[0] = 0;
2474 static int __devinit snd_asihpi_sampleclock_add(struct snd_card_asihpi *asihpi,
2475 struct hpi_control *hpi_ctl)
2477 struct snd_card *card = asihpi->card;
2478 struct snd_kcontrol_new snd_control;
2480 struct clk_cache *clkcache = &asihpi->cc;
2481 u32 hSC = hpi_ctl->h_control;
2486 snd_control.private_value = hpi_ctl->h_control;
2488 clkcache->has_local = 0;
2490 for (i = 0; i <= HPI_SAMPLECLOCK_SOURCE_LAST; i++) {
2491 if (hpi_sample_clock_query_source(hSC,
2494 clkcache->s[i].source = source;
2495 clkcache->s[i].index = 0;
2496 clkcache->s[i].name = sampleclock_sources[source];
2497 if (source == HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT)
2499 if (source == HPI_SAMPLECLOCK_SOURCE_LOCAL)
2500 clkcache->has_local = 1;
2503 /* already will have picked up index 0 above */
2504 for (j = 1; j < 8; j++) {
2505 if (hpi_sample_clock_query_source_index(hSC,
2506 j, HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT,
2509 clkcache->s[i].source =
2510 HPI_SAMPLECLOCK_SOURCE_AESEBU_INPUT;
2511 clkcache->s[i].index = j;
2512 clkcache->s[i].name = sampleclock_sources[
2513 j+HPI_SAMPLECLOCK_SOURCE_LAST];
2516 clkcache->count = i;
2518 asihpi_ctl_init(&snd_control, hpi_ctl, "Source");
2519 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2520 snd_control.info = snd_asihpi_clksrc_info;
2521 snd_control.get = snd_asihpi_clksrc_get;
2522 snd_control.put = snd_asihpi_clksrc_put;
2523 if (ctl_add(card, &snd_control, asihpi) < 0)
2527 if (clkcache->has_local) {
2528 asihpi_ctl_init(&snd_control, hpi_ctl, "Localrate");
2529 snd_control.access = SNDRV_CTL_ELEM_ACCESS_READWRITE ;
2530 snd_control.info = snd_asihpi_clklocal_info;
2531 snd_control.get = snd_asihpi_clklocal_get;
2532 snd_control.put = snd_asihpi_clklocal_put;
2535 if (ctl_add(card, &snd_control, asihpi) < 0)
2539 asihpi_ctl_init(&snd_control, hpi_ctl, "Rate");
2540 snd_control.access =
2541 SNDRV_CTL_ELEM_ACCESS_VOLATILE | SNDRV_CTL_ELEM_ACCESS_READ;
2542 snd_control.info = snd_asihpi_clkrate_info;
2543 snd_control.get = snd_asihpi_clkrate_get;
2545 return ctl_add(card, &snd_control, asihpi);
2547 /*------------------------------------------------------------
2549 ------------------------------------------------------------*/
2551 static int __devinit snd_card_asihpi_mixer_new(struct snd_card_asihpi *asihpi)
2553 struct snd_card *card = asihpi->card;
2554 unsigned int idx = 0;
2555 unsigned int subindex = 0;
2557 struct hpi_control hpi_ctl, prev_ctl;
2559 if (snd_BUG_ON(!asihpi))
2561 strcpy(card->mixername, "Asihpi Mixer");
2564 hpi_mixer_open(asihpi->hpi->adapter->index,
2566 hpi_handle_error(err);
2570 memset(&prev_ctl, 0, sizeof(prev_ctl));
2571 prev_ctl.control_type = -1;
2573 for (idx = 0; idx < 2000; idx++) {
2574 err = hpi_mixer_get_control_by_index(
2577 &hpi_ctl.src_node_type,
2578 &hpi_ctl.src_node_index,
2579 &hpi_ctl.dst_node_type,
2580 &hpi_ctl.dst_node_index,
2581 &hpi_ctl.control_type,
2582 &hpi_ctl.h_control);
2584 if (err == HPI_ERROR_CONTROL_DISABLED) {
2586 snd_printk(KERN_INFO
2587 "Disabled HPI Control(%d)\n",
2595 hpi_ctl.src_node_type -= HPI_SOURCENODE_NONE;
2596 hpi_ctl.dst_node_type -= HPI_DESTNODE_NONE;
2598 /* ASI50xx in SSX mode has multiple meters on the same node.
2599 Use subindex to create distinct ALSA controls
2600 for any duplicated controls.
2602 if ((hpi_ctl.control_type == prev_ctl.control_type) &&
2603 (hpi_ctl.src_node_type == prev_ctl.src_node_type) &&
2604 (hpi_ctl.src_node_index == prev_ctl.src_node_index) &&
2605 (hpi_ctl.dst_node_type == prev_ctl.dst_node_type) &&
2606 (hpi_ctl.dst_node_index == prev_ctl.dst_node_index))
2613 switch (hpi_ctl.control_type) {
2614 case HPI_CONTROL_VOLUME:
2615 err = snd_asihpi_volume_add(asihpi, &hpi_ctl);
2617 case HPI_CONTROL_LEVEL:
2618 err = snd_asihpi_level_add(asihpi, &hpi_ctl);
2620 case HPI_CONTROL_MULTIPLEXER:
2621 err = snd_asihpi_mux_add(asihpi, &hpi_ctl);
2623 case HPI_CONTROL_CHANNEL_MODE:
2624 err = snd_asihpi_cmode_add(asihpi, &hpi_ctl);
2626 case HPI_CONTROL_METER:
2627 err = snd_asihpi_meter_add(asihpi, &hpi_ctl, subindex);
2629 case HPI_CONTROL_SAMPLECLOCK:
2630 err = snd_asihpi_sampleclock_add(
2633 case HPI_CONTROL_CONNECTION: /* ignore these */
2635 case HPI_CONTROL_TUNER:
2636 err = snd_asihpi_tuner_add(asihpi, &hpi_ctl);
2638 case HPI_CONTROL_AESEBU_TRANSMITTER:
2639 err = snd_asihpi_aesebu_tx_add(asihpi, &hpi_ctl);
2641 case HPI_CONTROL_AESEBU_RECEIVER:
2642 err = snd_asihpi_aesebu_rx_add(asihpi, &hpi_ctl);
2644 case HPI_CONTROL_VOX:
2645 case HPI_CONTROL_BITSTREAM:
2646 case HPI_CONTROL_MICROPHONE:
2647 case HPI_CONTROL_PARAMETRIC_EQ:
2648 case HPI_CONTROL_COMPANDER:
2651 snd_printk(KERN_INFO
2652 "Untranslated HPI Control"
2653 "(%d) %d %d %d %d %d\n",
2655 hpi_ctl.control_type,
2656 hpi_ctl.src_node_type,
2657 hpi_ctl.src_node_index,
2658 hpi_ctl.dst_node_type,
2659 hpi_ctl.dst_node_index);
2665 if (HPI_ERROR_INVALID_OBJ_INDEX != err)
2666 hpi_handle_error(err);
2668 snd_printk(KERN_INFO "%d mixer controls found\n", idx);
2673 /*------------------------------------------------------------
2675 ------------------------------------------------------------*/
2678 snd_asihpi_proc_read(struct snd_info_entry *entry,
2679 struct snd_info_buffer *buffer)
2681 struct snd_card_asihpi *asihpi = entry->private_data;
2694 snd_iprintf(buffer, "ASIHPI driver proc file\n");
2696 hpi_handle_error(hpi_adapter_get_info(asihpi->hpi->adapter->index,
2697 &num_outstreams, &num_instreams,
2698 &version, &serial_number, &type));
2701 "Adapter type ASI%4X\nHardware Index %d\n"
2702 "%d outstreams\n%d instreams\n",
2703 type, asihpi->hpi->adapter->index,
2704 num_outstreams, num_instreams);
2707 "Serial#%d\nHardware version %c%d\nDSP code version %03d\n",
2708 serial_number, ((version >> 3) & 0xf) + 'A', version & 0x7,
2709 ((version >> 13) * 100) + ((version >> 7) & 0x3f));
2711 err = hpi_mixer_get_control(asihpi->h_mixer,
2712 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2713 HPI_CONTROL_SAMPLECLOCK, &h_control);
2716 err = hpi_sample_clock_get_sample_rate(h_control, &rate);
2717 err += hpi_sample_clock_get_source(h_control, &source);
2720 snd_iprintf(buffer, "Sample Clock %dHz, source %s\n",
2721 rate, sampleclock_sources[source]);
2725 static void __devinit snd_asihpi_proc_init(struct snd_card_asihpi *asihpi)
2727 struct snd_info_entry *entry;
2729 if (!snd_card_proc_new(asihpi->card, "info", &entry))
2730 snd_info_set_text_ops(entry, asihpi, snd_asihpi_proc_read);
2733 /*------------------------------------------------------------
2735 ------------------------------------------------------------*/
2737 static int snd_asihpi_hpi_open(struct snd_hwdep *hw, struct file *file)
2739 if (enable_hpi_hwdep)
2746 static int snd_asihpi_hpi_release(struct snd_hwdep *hw, struct file *file)
2748 if (enable_hpi_hwdep)
2749 return asihpi_hpi_release(file);
2754 static int snd_asihpi_hpi_ioctl(struct snd_hwdep *hw, struct file *file,
2755 unsigned int cmd, unsigned long arg)
2757 if (enable_hpi_hwdep)
2758 return asihpi_hpi_ioctl(file, cmd, arg);
2764 /* results in /dev/snd/hwC#D0 file for each card with index #
2765 also /proc/asound/hwdep will contain '#-00: asihpi (HPI) for each card'
2767 static int __devinit snd_asihpi_hpi_new(struct snd_card_asihpi *asihpi,
2768 int device, struct snd_hwdep **rhwdep)
2770 struct snd_hwdep *hw;
2775 err = snd_hwdep_new(asihpi->card, "HPI", device, &hw);
2778 strcpy(hw->name, "asihpi (HPI)");
2779 hw->iface = SNDRV_HWDEP_IFACE_LAST;
2780 hw->ops.open = snd_asihpi_hpi_open;
2781 hw->ops.ioctl = snd_asihpi_hpi_ioctl;
2782 hw->ops.release = snd_asihpi_hpi_release;
2783 hw->private_data = asihpi;
2789 /*------------------------------------------------------------
2791 ------------------------------------------------------------*/
2792 static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev,
2793 const struct pci_device_id *pci_id)
2796 struct hpi_adapter *hpi;
2797 struct snd_card *card;
2798 struct snd_card_asihpi *asihpi;
2805 if (dev >= SNDRV_CARDS)
2808 /* Should this be enable[hpi->index] ? */
2814 /* Initialise low-level HPI driver */
2815 err = asihpi_adapter_probe(pci_dev, pci_id);
2819 hpi = pci_get_drvdata(pci_dev);
2820 adapter_index = hpi->adapter->index;
2821 /* first try to give the card the same index as its hardware index */
2822 err = snd_card_create(adapter_index,
2823 id[adapter_index], THIS_MODULE,
2824 sizeof(struct snd_card_asihpi),
2827 /* if that fails, try the default index==next available */
2829 snd_card_create(index[dev], id[dev],
2831 sizeof(struct snd_card_asihpi),
2835 snd_printk(KERN_WARNING
2836 "**** WARNING **** Adapter index %d->ALSA index %d\n",
2837 adapter_index, card->number);
2840 snd_card_set_dev(card, &pci_dev->dev);
2842 asihpi = card->private_data;
2843 asihpi->card = card;
2844 asihpi->pci = pci_dev;
2847 snd_printk(KERN_INFO "adapter ID=%4X index=%d\n",
2848 asihpi->hpi->adapter->type, adapter_index);
2850 err = hpi_adapter_get_property(adapter_index,
2851 HPI_ADAPTER_PROPERTY_CAPS1,
2852 NULL, &asihpi->support_grouping);
2854 asihpi->support_grouping = 0;
2856 err = hpi_adapter_get_property(adapter_index,
2857 HPI_ADAPTER_PROPERTY_CAPS2,
2858 &asihpi->support_mrx, NULL);
2860 asihpi->support_mrx = 0;
2862 err = hpi_adapter_get_property(adapter_index,
2863 HPI_ADAPTER_PROPERTY_INTERVAL,
2864 NULL, &asihpi->update_interval_frames);
2866 asihpi->update_interval_frames = 512;
2868 if (!asihpi->can_dma)
2869 asihpi->update_interval_frames *= 2;
2871 hpi_handle_error(hpi_instream_open(adapter_index,
2874 err = hpi_instream_host_buffer_free(h_stream);
2875 asihpi->can_dma = (!err);
2877 hpi_handle_error(hpi_instream_close(h_stream));
2879 err = hpi_adapter_get_property(adapter_index,
2880 HPI_ADAPTER_PROPERTY_CURCHANNELS,
2881 &asihpi->in_max_chans, &asihpi->out_max_chans);
2883 asihpi->in_max_chans = 2;
2884 asihpi->out_max_chans = 2;
2887 if (asihpi->out_max_chans > 2) { /* assume LL mode */
2888 asihpi->out_min_chans = asihpi->out_max_chans;
2889 asihpi->in_min_chans = asihpi->in_max_chans;
2890 asihpi->support_grouping = 0;
2892 asihpi->out_min_chans = 1;
2893 asihpi->in_min_chans = 1;
2896 snd_printk(KERN_INFO "Has dma:%d, grouping:%d, mrx:%d\n",
2898 asihpi->support_grouping,
2902 err = snd_card_asihpi_pcm_new(asihpi, 0);
2904 snd_printk(KERN_ERR "pcm_new failed\n");
2907 err = snd_card_asihpi_mixer_new(asihpi);
2909 snd_printk(KERN_ERR "mixer_new failed\n");
2913 err = hpi_mixer_get_control(asihpi->h_mixer,
2914 HPI_SOURCENODE_CLOCK_SOURCE, 0, 0, 0,
2915 HPI_CONTROL_SAMPLECLOCK, &h_control);
2918 err = hpi_sample_clock_set_local_rate(
2919 h_control, adapter_fs);
2921 snd_asihpi_proc_init(asihpi);
2923 /* always create, can be enabled or disabled dynamically
2924 by enable_hwdep module param*/
2925 snd_asihpi_hpi_new(asihpi, 0, NULL);
2927 strcpy(card->driver, "ASIHPI");
2929 sprintf(card->shortname, "AudioScience ASI%4X",
2930 asihpi->hpi->adapter->type);
2931 sprintf(card->longname, "%s %i",
2932 card->shortname, adapter_index);
2933 err = snd_card_register(card);
2936 hpi->snd_card = card;
2941 snd_card_free(card);
2942 snd_printk(KERN_ERR "snd_asihpi_probe error %d\n", err);
2947 static void __devexit snd_asihpi_remove(struct pci_dev *pci_dev)
2949 struct hpi_adapter *hpi = pci_get_drvdata(pci_dev);
2950 snd_card_free(hpi->snd_card);
2951 hpi->snd_card = NULL;
2952 asihpi_adapter_remove(pci_dev);
2955 static DEFINE_PCI_DEVICE_TABLE(asihpi_pci_tbl) = {
2956 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_DSP6205,
2957 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2958 (kernel_ulong_t)HPI_6205},
2959 {HPI_PCI_VENDOR_ID_TI, HPI_PCI_DEV_ID_PCI2040,
2960 HPI_PCI_VENDOR_ID_AUDIOSCIENCE, PCI_ANY_ID, 0, 0,
2961 (kernel_ulong_t)HPI_6000},
2964 MODULE_DEVICE_TABLE(pci, asihpi_pci_tbl);
2966 static struct pci_driver driver = {
2967 .name = KBUILD_MODNAME,
2968 .id_table = asihpi_pci_tbl,
2969 .probe = snd_asihpi_probe,
2970 .remove = __devexit_p(snd_asihpi_remove),
2971 #ifdef CONFIG_PM_SLEEP
2972 /* .suspend = snd_asihpi_suspend,
2973 .resume = snd_asihpi_resume, */
2977 static int __init snd_asihpi_init(void)
2980 return pci_register_driver(&driver);
2983 static void __exit snd_asihpi_exit(void)
2986 pci_unregister_driver(&driver);
2990 module_init(snd_asihpi_init)
2991 module_exit(snd_asihpi_exit)