[alsa-devel] [[PATCH] snd-asihpi: 2/8] Debug printing
linux at audioscience.com
linux at audioscience.com
Tue Apr 5 10:55:42 CEST 2011
From: Eliot Blennerhassett <eblennerhassett at audioscience.com>
Debug print full substream ID.
Other minor debug print updates.
Signed-off-by: Eliot Blennerhassett <eblennerhassett at audioscience.com>
---
pci/asihpi/asihpi.c | 102 ++++++++++++++++++++++++++++-----------------------
1 files changed, 56 insertions(+), 46 deletions(-)
diff --git a/pci/asihpi/asihpi.c b/pci/asihpi/asihpi.c
index edcbe39..434342f 100644
--- a/pci/asihpi/asihpi.c
+++ b/pci/asihpi/asihpi.c
@@ -57,8 +57,25 @@ MODULE_DESCRIPTION("AudioScience ALSA ASI5000 ASI6000 ASI87xx ASI89xx");
*/
#define snd_printddd(format, args...) \
__snd_printk(3, __FILE__, __LINE__, format, ##args)
+
+/* 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 snd_printddd(format, args...) do { } while (0)
+#define snd_printddd(format, args...) do { } while (0)
+#define pcm_debug_name(s, n, l) do { } while (0)
+#define DEBUG_NAME(name, substream) do { } while (0)
+
#endif
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* index 0-MAX */
@@ -101,13 +118,6 @@ 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 {
@@ -288,19 +298,26 @@ 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 +468,7 @@ 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 +476,6 @@ 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));
@@ -509,8 +522,6 @@ 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 +575,10 @@ 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) {
@@ -599,9 +611,7 @@ 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);
@@ -636,9 +646,7 @@ 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 +740,9 @@ 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) {
@@ -786,16 +794,18 @@ 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 +824,7 @@ 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) {
@@ -863,7 +873,7 @@ 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 +883,7 @@ 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 +900,7 @@ 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;
}
--
1.7.0.4
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