diff options
author | Takashi Iwai <tiwai@suse.de> | 2011-05-22 12:01:29 +0400 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2011-05-22 12:01:29 +0400 |
commit | 02e5fbf622aabf68bdc02282a17a3aeed054237a (patch) | |
tree | 60f2d4e09464dbf338c832bb39f861f29779b86b /sound/pci/asihpi/asihpi.c | |
parent | b759b3ac9aee3afb01c21b603970ebb200c8048e (diff) | |
parent | bfe9fc8aebc997ce8bcf8ac0586c84a247812064 (diff) | |
download | linux-02e5fbf622aabf68bdc02282a17a3aeed054237a.tar.xz |
Merge branch 'topic/misc' into for-linus
Diffstat (limited to 'sound/pci/asihpi/asihpi.c')
-rw-r--r-- | sound/pci/asihpi/asihpi.c | 328 |
1 files changed, 142 insertions, 186 deletions
diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c index f8ccc9677c6f..2ca6f4f85b41 100644 --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -42,10 +42,29 @@ #include <sound/tlv.h> #include <sound/hwdep.h> + MODULE_LICENSE("GPL"); MODULE_AUTHOR("AudioScience inc. <support@audioscience.com>"); MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx"); +#if defined CONFIG_SND_DEBUG +/* copied from pcm_lib.c, hope later patch will make that version public +and this copy can be removed */ +static void pcm_debug_name(struct snd_pcm_substream *substream, + char *name, size_t len) +{ + snprintf(name, len, "pcmC%dD%d%c:%d", + substream->pcm->card->number, + substream->pcm->device, + substream->stream ? 'c' : 'p', + substream->number); +} +#define DEBUG_NAME(substream, name) char name[16]; pcm_debug_name(substream, name, sizeof(name)) +#else +#define pcm_debug_name(s, n, l) do { } while (0) +#define DEBUG_NAME(name, substream) do { } while (0) +#endif + #if defined CONFIG_SND_DEBUG_VERBOSE /** * snd_printddd - very verbose debug printk @@ -58,7 +77,7 @@ MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx"); #define snd_printddd(format, args...) \ __snd_printk(3, __FILE__, __LINE__, format, ##args) #else -#define snd_printddd(format, args...) do { } while (0) +#define snd_printddd(format, args...) do { } while (0) #endif static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */ @@ -101,13 +120,6 @@ static int adapter_fs = DEFAULT_SAMPLERATE; #define PERIOD_BYTES_MIN 2048 #define BUFFER_BYTES_MAX (512 * 1024) -/* convert stream to character */ -#define SCHR(s) ((s == SNDRV_PCM_STREAM_PLAYBACK) ? 'P' : 'C') - -/*#define TIMER_MILLISECONDS 20 -#define FORCE_TIMER_JIFFIES ((TIMER_MILLISECONDS * HZ + 999)/1000) -*/ - #define MAX_CLOCKSOURCES (HPI_SAMPLECLOCK_SOURCE_LAST + 1 + 7) struct clk_source { @@ -136,7 +148,7 @@ struct snd_card_asihpi { u32 h_mixer; struct clk_cache cc; - u16 support_mmap; + u16 can_dma; u16 support_grouping; u16 support_mrx; u16 update_interval_frames; @@ -155,6 +167,7 @@ struct snd_card_asihpi_pcm { unsigned int pcm_buf_host_rw_ofs; /* Host R/W pos */ unsigned int pcm_buf_dma_ofs; /* DMA R/W offset in buffer */ unsigned int pcm_buf_elapsed_dma_ofs; /* DMA R/W offset in buffer */ + unsigned int drained_count; struct snd_pcm_substream *substream; u32 h_stream; struct hpi_format format; @@ -288,19 +301,26 @@ static u16 handle_error(u16 err, int line, char *filename) #define hpi_handle_error(x) handle_error(x, __LINE__, __FILE__) /***************************** GENERAL PCM ****************/ -static void print_hwparams(struct snd_pcm_hw_params *p) + +static void print_hwparams(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *p) { - snd_printd("HWPARAMS \n"); - snd_printd("samplerate %d \n", params_rate(p)); - snd_printd("Channels %d \n", params_channels(p)); - snd_printd("Format %d \n", params_format(p)); - snd_printd("subformat %d \n", params_subformat(p)); - snd_printd("Buffer bytes %d \n", params_buffer_bytes(p)); - snd_printd("Period bytes %d \n", params_period_bytes(p)); - snd_printd("access %d \n", params_access(p)); - snd_printd("period_size %d \n", params_period_size(p)); - snd_printd("periods %d \n", params_periods(p)); - snd_printd("buffer_size %d \n", params_buffer_size(p)); + DEBUG_NAME(substream, name); + snd_printd("%s HWPARAMS\n", name); + snd_printd(" samplerate %d Hz\n", params_rate(p)); + snd_printd(" channels %d\n", params_channels(p)); + snd_printd(" format %d\n", params_format(p)); + snd_printd(" subformat %d\n", params_subformat(p)); + snd_printd(" buffer %d B\n", params_buffer_bytes(p)); + snd_printd(" period %d B\n", params_period_bytes(p)); + snd_printd(" access %d\n", params_access(p)); + snd_printd(" period_size %d\n", params_period_size(p)); + snd_printd(" periods %d\n", params_periods(p)); + snd_printd(" buffer_size %d\n", params_buffer_size(p)); + snd_printd(" %d B/s\n", params_rate(p) * + params_channels(p) * + snd_pcm_format_width(params_format(p)) / 8); + } static snd_pcm_format_t hpi_to_alsa_formats[] = { @@ -451,7 +471,7 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, int width; unsigned int bytes_per_sec; - print_hwparams(params); + print_hwparams(substream, params); err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); if (err < 0) return err; @@ -459,10 +479,6 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, if (err) return err; - snd_printdd("format %d, %d chans, %d_hz\n", - format, params_channels(params), - params_rate(params)); - hpi_handle_error(hpi_format_create(&dpcm->format, params_channels(params), format, params_rate(params), 0, 0)); @@ -477,8 +493,7 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, } dpcm->hpi_buffer_attached = 0; - if (card->support_mmap) { - + if (card->can_dma) { err = hpi_stream_host_buffer_attach(dpcm->h_stream, params_buffer_bytes(params), runtime->dma_addr); if (err == 0) { @@ -509,8 +524,6 @@ static int snd_card_asihpi_pcm_hw_params(struct snd_pcm_substream *substream, dpcm->bytes_per_sec = bytes_per_sec; dpcm->buffer_bytes = params_buffer_bytes(params); dpcm->period_bytes = params_period_bytes(params); - snd_printdd("buffer_bytes=%d, period_bytes=%d, bps=%d\n", - dpcm->buffer_bytes, dpcm->period_bytes, bytes_per_sec); return 0; } @@ -564,9 +577,10 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, struct snd_card_asihpi *card = snd_pcm_substream_chip(substream); struct snd_pcm_substream *s; u16 e; + DEBUG_NAME(substream, name); + + snd_printdd("%s trigger\n", name); - snd_printdd("%c%d trigger\n", - SCHR(substream->stream), substream->number); switch (cmd) { case SNDRV_PCM_TRIGGER_START: snd_pcm_group_for_each_entry(s, substream) { @@ -580,8 +594,8 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, if (substream->stream != s->stream) continue; - if ((s->stream == SNDRV_PCM_STREAM_PLAYBACK) && - (card->support_mmap)) { + ds->drained_count = 0; + if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* How do I know how much valid data is present * in buffer? Must be at least one period! * Guessing 2 periods, but if @@ -599,9 +613,7 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, } if (card->support_grouping) { - snd_printdd("\t%c%d group\n", - SCHR(s->stream), - s->number); + snd_printdd("%d group\n", s->number); e = hpi_stream_group_add( dpcm->h_stream, ds->h_stream); @@ -618,7 +630,7 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, /* start the master stream */ snd_card_asihpi_pcm_timer_start(substream); if ((substream->stream == SNDRV_PCM_STREAM_CAPTURE) || - !card->support_mmap) + !card->can_dma) hpi_handle_error(hpi_stream_start(dpcm->h_stream)); break; @@ -636,9 +648,7 @@ static int snd_card_asihpi_trigger(struct snd_pcm_substream *substream, s->runtime->status->state = SNDRV_PCM_STATE_SETUP; if (card->support_grouping) { - snd_printdd("\t%c%d group\n", - SCHR(s->stream), - s->number); + snd_printdd("%d group\n", s->number); snd_pcm_trigger_done(s, substream); } else break; @@ -732,9 +742,9 @@ static void snd_card_asihpi_timer_function(unsigned long data) int loops = 0; u16 state; u32 buffer_size, bytes_avail, samples_played, on_card_bytes; + DEBUG_NAME(substream, name); - snd_printdd("%c%d snd_card_asihpi_timer_function\n", - SCHR(substream->stream), substream->number); + snd_printdd("%s snd_card_asihpi_timer_function\n", name); /* find minimum newdata and buffer pos in group */ snd_pcm_group_for_each_entry(s, substream) { @@ -756,6 +766,9 @@ static void snd_card_asihpi_timer_function(unsigned long data) /* number of bytes in on-card buffer */ runtime->delay = on_card_bytes; + if (!card->can_dma) + on_card_bytes = bytes_avail; + if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { pcm_buf_dma_ofs = ds->pcm_buf_host_rw_ofs - bytes_avail; if (state == HPI_STATE_STOPPED) { @@ -763,12 +776,18 @@ static void snd_card_asihpi_timer_function(unsigned long data) (on_card_bytes < ds->pcm_buf_host_rw_ofs)) { hpi_handle_error(hpi_stream_start(ds->h_stream)); snd_printdd("P%d start\n", s->number); + ds->drained_count = 0; } } else if (state == HPI_STATE_DRAINED) { snd_printd(KERN_WARNING "P%d drained\n", s->number); - /*snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); - continue; */ + ds->drained_count++; + if (ds->drained_count > 2) { + snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); + continue; + } + } else { + ds->drained_count = 0; } } else pcm_buf_dma_ofs = bytes_avail + ds->pcm_buf_host_rw_ofs; @@ -786,16 +805,18 @@ static void snd_card_asihpi_timer_function(unsigned long data) newdata); } - snd_printdd("hw_ptr x%04lX, appl_ptr x%04lX\n", + snd_printdd("hw_ptr 0x%04lX, appl_ptr 0x%04lX\n", (unsigned long)frames_to_bytes(runtime, runtime->status->hw_ptr), (unsigned long)frames_to_bytes(runtime, runtime->control->appl_ptr)); - snd_printdd("%d %c%d S=%d, rw=%04X, dma=x%04X, left=x%04X," - " aux=x%04X space=x%04X\n", - loops, SCHR(s->stream), s->number, - state, ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, (int)bytes_avail, + snd_printdd("%d S=%d, " + "rw=0x%04X, dma=0x%04X, left=0x%04X, " + "aux=0x%04X space=0x%04X\n", + s->number, state, + ds->pcm_buf_host_rw_ofs, pcm_buf_dma_ofs, + (int)bytes_avail, (int)on_card_bytes, buffer_size-bytes_avail); loops++; } @@ -814,7 +835,7 @@ static void snd_card_asihpi_timer_function(unsigned long data) next_jiffies = max(next_jiffies, 1U); dpcm->timer.expires = jiffies + next_jiffies; - snd_printdd("jif %d buf pos x%04X newdata x%04X xfer x%04X\n", + snd_printdd("jif %d buf pos 0x%04X newdata 0x%04X xfer 0x%04X\n", next_jiffies, pcm_buf_dma_ofs, newdata, xfercount); snd_pcm_group_for_each_entry(s, substream) { @@ -826,30 +847,63 @@ static void snd_card_asihpi_timer_function(unsigned long data) ds->pcm_buf_dma_ofs = pcm_buf_dma_ofs; - if (xfercount && (on_card_bytes <= ds->period_bytes)) { - if (card->support_mmap) { - if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { - snd_printddd("P%d write x%04x\n", + if (xfercount && + /* Limit use of on card fifo for playback */ + ((on_card_bytes <= ds->period_bytes) || + (s->stream == SNDRV_PCM_STREAM_CAPTURE))) + + { + + unsigned int buf_ofs = ds->pcm_buf_host_rw_ofs % ds->buffer_bytes; + unsigned int xfer1, xfer2; + char *pd = &s->runtime->dma_area[buf_ofs]; + + if (card->can_dma) { /* buffer wrap is handled at lower level */ + xfer1 = xfercount; + xfer2 = 0; + } else { + xfer1 = min(xfercount, ds->buffer_bytes - buf_ofs); + xfer2 = xfercount - xfer1; + } + + if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) { + snd_printddd("P%d write1 0x%04X 0x%04X\n", + s->number, xfer1, buf_ofs); + hpi_handle_error( + hpi_outstream_write_buf( + ds->h_stream, pd, xfer1, + &ds->format)); + + if (xfer2) { + pd = s->runtime->dma_area; + + snd_printddd("P%d write2 0x%04X 0x%04X\n", s->number, - ds->period_bytes); + xfercount - xfer1, buf_ofs); hpi_handle_error( hpi_outstream_write_buf( - ds->h_stream, - &s->runtime-> - dma_area[0], - xfercount, + ds->h_stream, pd, + xfercount - xfer1, &ds->format)); - } else { - snd_printddd("C%d read x%04x\n", - s->number, - xfercount); + } + } else { + snd_printddd("C%d read1 0x%04x\n", + s->number, xfer1); + hpi_handle_error( + hpi_instream_read_buf( + ds->h_stream, + pd, xfer1)); + if (xfer2) { + pd = s->runtime->dma_area; + snd_printddd("C%d read2 0x%04x\n", + s->number, xfer2); hpi_handle_error( hpi_instream_read_buf( ds->h_stream, - NULL, xfercount)); + pd, xfer2)); } - ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount; - } /* else R/W will be handled by read/write callbacks */ + } + ds->pcm_buf_host_rw_ofs = ds->pcm_buf_host_rw_ofs + xfercount; ds->pcm_buf_elapsed_dma_ofs = pcm_buf_dma_ofs; snd_pcm_period_elapsed(s); } @@ -863,7 +917,7 @@ static void snd_card_asihpi_timer_function(unsigned long data) static int snd_card_asihpi_playback_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg) { - snd_printdd(KERN_INFO "Playback ioctl %d\n", cmd); + snd_printddd(KERN_INFO "P%d ioctl %d\n", substream->number, cmd); return snd_pcm_lib_ioctl(substream, cmd, arg); } @@ -873,7 +927,7 @@ static int snd_card_asihpi_playback_prepare(struct snd_pcm_substream * struct snd_pcm_runtime *runtime = substream->runtime; struct snd_card_asihpi_pcm *dpcm = runtime->private_data; - snd_printdd("playback prepare %d\n", substream->number); + snd_printdd("P%d prepare\n", substream->number); hpi_handle_error(hpi_outstream_reset(dpcm->h_stream)); dpcm->pcm_buf_host_rw_ofs = 0; @@ -890,7 +944,7 @@ snd_card_asihpi_playback_pointer(struct snd_pcm_substream *substream) snd_pcm_uframes_t ptr; ptr = bytes_to_frames(runtime, dpcm->pcm_buf_dma_ofs % dpcm->buffer_bytes); - snd_printddd("playback_pointer=x%04lx\n", (unsigned long)ptr); + snd_printddd("P%d pointer = 0x%04lx\n", substream->number, (unsigned long)ptr); return ptr; } @@ -986,11 +1040,9 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) SNDRV_PCM_INFO_DOUBLE | SNDRV_PCM_INFO_BATCH | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_PAUSE; - - if (card->support_mmap) - snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID; + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID; if (card->support_grouping) snd_card_asihpi_playback.info |= SNDRV_PCM_INFO_SYNC_START; @@ -998,7 +1050,7 @@ static int snd_card_asihpi_playback_open(struct snd_pcm_substream *substream) /* struct is copied, so can create initializer dynamically */ runtime->hw = snd_card_asihpi_playback; - if (card->support_mmap) + if (card->can_dma) err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES); if (err < 0) @@ -1028,58 +1080,6 @@ static int snd_card_asihpi_playback_close(struct snd_pcm_substream *substream) return 0; } -static int snd_card_asihpi_playback_copy(struct snd_pcm_substream *substream, - int channel, - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_card_asihpi_pcm *dpcm = runtime->private_data; - unsigned int len; - - len = frames_to_bytes(runtime, count); - - if (copy_from_user(runtime->dma_area, src, len)) - return -EFAULT; - - snd_printddd("playback copy%d %u bytes\n", - substream->number, len); - - hpi_handle_error(hpi_outstream_write_buf(dpcm->h_stream, - runtime->dma_area, len, &dpcm->format)); - - dpcm->pcm_buf_host_rw_ofs += len; - - return 0; -} - -static int snd_card_asihpi_playback_silence(struct snd_pcm_substream * - substream, int channel, - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) -{ - /* Usually writes silence to DMA buffer, which should be overwritten - by real audio later. Our fifos cannot be overwritten, and are not - free-running DMAs. Silence is output on fifo underflow. - This callback is still required to allow the copy callback to be used. - */ - return 0; -} - -static struct snd_pcm_ops snd_card_asihpi_playback_ops = { - .open = snd_card_asihpi_playback_open, - .close = snd_card_asihpi_playback_close, - .ioctl = snd_card_asihpi_playback_ioctl, - .hw_params = snd_card_asihpi_pcm_hw_params, - .hw_free = snd_card_asihpi_hw_free, - .prepare = snd_card_asihpi_playback_prepare, - .trigger = snd_card_asihpi_trigger, - .pointer = snd_card_asihpi_playback_pointer, - .copy = snd_card_asihpi_playback_copy, - .silence = snd_card_asihpi_playback_silence, -}; - static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { .open = snd_card_asihpi_playback_open, .close = snd_card_asihpi_playback_close, @@ -1211,18 +1211,16 @@ static int snd_card_asihpi_capture_open(struct snd_pcm_substream *substream) snd_card_asihpi_capture_format(card, dpcm->h_stream, &snd_card_asihpi_capture); snd_card_asihpi_pcm_samplerates(card, &snd_card_asihpi_capture); - snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED; - - if (card->support_mmap) - snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID; + snd_card_asihpi_capture.info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID; if (card->support_grouping) snd_card_asihpi_capture.info |= SNDRV_PCM_INFO_SYNC_START; runtime->hw = snd_card_asihpi_capture; - if (card->support_mmap) + if (card->can_dma) err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES); if (err < 0) @@ -1246,28 +1244,6 @@ static int snd_card_asihpi_capture_close(struct snd_pcm_substream *substream) return 0; } -static int snd_card_asihpi_capture_copy(struct snd_pcm_substream *substream, - int channel, snd_pcm_uframes_t pos, - void __user *dst, snd_pcm_uframes_t count) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_card_asihpi_pcm *dpcm = runtime->private_data; - u32 len; - - len = frames_to_bytes(runtime, count); - - snd_printddd("capture copy%d %d bytes\n", substream->number, len); - hpi_handle_error(hpi_instream_read_buf(dpcm->h_stream, - runtime->dma_area, len)); - - dpcm->pcm_buf_host_rw_ofs = dpcm->pcm_buf_host_rw_ofs + len; - - if (copy_to_user(dst, runtime->dma_area, len)) - return -EFAULT; - - return 0; -} - static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { .open = snd_card_asihpi_capture_open, .close = snd_card_asihpi_capture_close, @@ -1279,18 +1255,6 @@ static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { .pointer = snd_card_asihpi_capture_pointer, }; -static struct snd_pcm_ops snd_card_asihpi_capture_ops = { - .open = snd_card_asihpi_capture_open, - .close = snd_card_asihpi_capture_close, - .ioctl = snd_card_asihpi_capture_ioctl, - .hw_params = snd_card_asihpi_pcm_hw_params, - .hw_free = snd_card_asihpi_hw_free, - .prepare = snd_card_asihpi_capture_prepare, - .trigger = snd_card_asihpi_trigger, - .pointer = snd_card_asihpi_capture_pointer, - .copy = snd_card_asihpi_capture_copy -}; - static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, int device, int substreams) { @@ -1303,17 +1267,10 @@ static int __devinit snd_card_asihpi_pcm_new(struct snd_card_asihpi *asihpi, if (err < 0) return err; /* pointer to ops struct is stored, dont change ops afterwards! */ - if (asihpi->support_mmap) { snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_asihpi_playback_mmap_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_asihpi_capture_mmap_ops); - } else { - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_card_asihpi_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, - &snd_card_asihpi_capture_ops); - } pcm->private_data = asihpi; pcm->info_flags = 0; @@ -1413,14 +1370,16 @@ static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, struct hpi_control *hpi_ctl, char *name) { - char *dir = ""; + char *dir; memset(snd_control, 0, sizeof(*snd_control)); snd_control->name = hpi_ctl->name; snd_control->private_value = hpi_ctl->h_control; snd_control->iface = SNDRV_CTL_ELEM_IFACE_MIXER; snd_control->index = 0; - if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) + if (hpi_ctl->src_node_type + HPI_SOURCENODE_NONE == HPI_SOURCENODE_CLOCK_SOURCE) + dir = ""; /* clock is neither capture nor playback */ + else if (hpi_ctl->dst_node_type + HPI_DESTNODE_NONE == HPI_DESTNODE_ISTREAM) dir = "Capture "; /* On or towards a PCM capture destination*/ else if ((hpi_ctl->src_node_type + HPI_SOURCENODE_NONE != HPI_SOURCENODE_OSTREAM) && (!hpi_ctl->dst_node_type)) @@ -1433,7 +1392,7 @@ static void asihpi_ctl_init(struct snd_kcontrol_new *snd_control, dir = "Playback "; /* PCM Playback source, or output node */ if (hpi_ctl->src_node_type && hpi_ctl->dst_node_type) - sprintf(hpi_ctl->name, "%s%d %s%d %s%s", + sprintf(hpi_ctl->name, "%s %d %s %d %s%s", asihpi_src_names[hpi_ctl->src_node_type], hpi_ctl->src_node_index, asihpi_dst_names[hpi_ctl->dst_node_type], @@ -2875,14 +2834,14 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev, if (err) asihpi->update_interval_frames = 512; - if (!asihpi->support_mmap) + if (!asihpi->can_dma) asihpi->update_interval_frames *= 2; hpi_handle_error(hpi_instream_open(asihpi->adapter_index, 0, &h_stream)); err = hpi_instream_host_buffer_free(h_stream); - asihpi->support_mmap = (!err); + asihpi->can_dma = (!err); hpi_handle_error(hpi_instream_close(h_stream)); @@ -2894,8 +2853,8 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev, asihpi->out_max_chans = 2; } - snd_printk(KERN_INFO "supports mmap:%d grouping:%d mrx:%d\n", - asihpi->support_mmap, + snd_printk(KERN_INFO "has dma:%d, grouping:%d, mrx:%d\n", + asihpi->can_dma, asihpi->support_grouping, asihpi->support_mrx ); @@ -2925,10 +2884,7 @@ static int __devinit snd_asihpi_probe(struct pci_dev *pci_dev, by enable_hwdep module param*/ snd_asihpi_hpi_new(asihpi, 0, NULL); - if (asihpi->support_mmap) - strcpy(card->driver, "ASIHPI-MMAP"); - else - strcpy(card->driver, "ASIHPI"); + strcpy(card->driver, "ASIHPI"); sprintf(card->shortname, "AudioScience ASI%4X", asihpi->type); sprintf(card->longname, "%s %i", |