#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
#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 */
#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 {
u32 h_mixer;
struct clk_cache cc;
- u16 support_mmap;
+ u16 can_dma;
u16 support_grouping;
u16 support_mrx;
u16 update_interval_frames;
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;
#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[] = {
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;
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));
}
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) {
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;
}
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) {
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
}
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);
/* 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;
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;
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) {
/* 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) {
(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;
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++;
}
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) {
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);
}
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);
}
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;
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;
}
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;
/* 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)
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,
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)
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,
.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)
{
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;
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))
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],
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));
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
);
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",
git.openpandora.org / pandora-kernel.git / blobdiff