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ALSA: hda: Prepare for compress stream support 

Before introducing compress specific changes, adjust BDL and parameters
setup functions so these are not tightly coupled with PCM streams.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20221202152841.672536-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cezary Rojewski 2022-12-02 16:28:27 +01:00 committed by Mark Brown
parent 97d73d9782
commit f6b1254664
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 16 additions and 16 deletions
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32
sound/hda/hdac_stream.c
View File

@ -487,11 +487,15 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)
{
struct hdac_bus *bus = azx_dev->bus;
struct snd_pcm_substream *substream = azx_dev->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_pcm_runtime *runtime;
struct snd_dma_buffer *dmab;
__le32 *bdl;
int i, ofs, periods, period_bytes;
int pos_adj, pos_align;
runtime = substream->runtime;
dmab = snd_pcm_get_dma_buf(substream);
/* reset BDL address */
snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);
snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0);
@ -505,7 +509,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)
azx_dev->frags = 0;
pos_adj = bus->bdl_pos_adj;
if (!azx_dev->no_period_wakeup && pos_adj > 0) {
if (runtime && !azx_dev->no_period_wakeup && pos_adj > 0) {
pos_align = pos_adj;
pos_adj = DIV_ROUND_UP(pos_adj * runtime->rate, 48000);
if (!pos_adj)
@ -518,8 +522,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)
pos_adj);
pos_adj = 0;
} else {
ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream),
azx_dev,
ofs = setup_bdle(bus, dmab, azx_dev,
&bdl, ofs, pos_adj, true);
if (ofs < 0)
goto error;
@ -529,13 +532,11 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)
for (i = 0; i < periods; i++) {
if (i == periods - 1 && pos_adj)
ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream),
azx_dev, &bdl, ofs,
period_bytes - pos_adj, 0);
ofs = setup_bdle(bus, dmab, azx_dev,
&bdl, ofs, period_bytes - pos_adj, 0);
else
ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream),
azx_dev, &bdl, ofs,
period_bytes,
ofs = setup_bdle(bus, dmab, azx_dev,
&bdl, ofs, period_bytes,
!azx_dev->no_period_wakeup);
if (ofs < 0)
goto error;
@ -560,26 +561,25 @@ EXPORT_SYMBOL_GPL(snd_hdac_stream_setup_periods);
int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
unsigned int format_val)
{
unsigned int bufsize, period_bytes;
struct snd_pcm_substream *substream = azx_dev->substream;
struct snd_pcm_runtime *runtime;
unsigned int bufsize, period_bytes;
unsigned int no_period_wakeup;
int err;
if (!substream)
return -EINVAL;
runtime = substream->runtime;
bufsize = snd_pcm_lib_buffer_bytes(substream);
period_bytes = snd_pcm_lib_period_bytes(substream);
no_period_wakeup = substream->runtime->no_period_wakeup;
if (bufsize != azx_dev->bufsize ||
period_bytes != azx_dev->period_bytes ||
format_val != azx_dev->format_val ||
runtime->no_period_wakeup != azx_dev->no_period_wakeup) {
no_period_wakeup != azx_dev->no_period_wakeup) {
azx_dev->bufsize = bufsize;
azx_dev->period_bytes = period_bytes;
azx_dev->format_val = format_val;
azx_dev->no_period_wakeup = runtime->no_period_wakeup;
azx_dev->no_period_wakeup = no_period_wakeup;
err = snd_hdac_stream_setup_periods(azx_dev);
if (err < 0)
return err;