github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 14:12:07 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ASoC: SOF: Intel: hda-dai: remove use of cpu_dai->component drvdata

Browse Source 
The existing code relies on conversions from cpu_dai to the sdev
structure pointer based on the cpu_dai component. This works fine for
HDaudio but will not work for SoundWire DAIs which are registered by a
different component. That's a problem preventing reuse of the HDaudio
DMA stream allocation for SoundWire DAIs starting with the LunarLake
platform.

This patch introduces a set of helpers to perform the conversion, and
an indirect way of retrieving the sdev pointer based on the
swidget->comp intermediate pointer.

Suggested-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com
Reviewed-by: Rander Wang <rander.wang@intel.com
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com
Link: https://lore.kernel.org/r/20230512181702.117483-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org
This commit is contained in:
Pierre-Louis Bossart 2023-05-12 13:16:55 -05:00 committed by Mark Brown
parent 3886518fdb
commit de8e2d5d80
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 30 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
sound/soc/sof/intel/hda-dai.c
View File

@ -27,20 +27,26 @@ static bool hda_use_tplg_nhlt;
module_param_named(sof_use_tplg_nhlt, hda_use_tplg_nhlt, bool, 0444);
MODULE_PARM_DESC(sof_use_tplg_nhlt, "SOF topology nhlt override");
static struct snd_sof_dev *widget_to_sdev(struct snd_soc_dapm_widget *w)
{
struct snd_sof_widget *swidget = w->dobj.private;
struct snd_soc_component *component = swidget->scomp;
return snd_soc_component_get_drvdata(component);
}
int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
struct snd_sof_dai_config_data *data)
{
struct snd_sof_widget *swidget = w->dobj.private;
const struct sof_ipc_tplg_ops *tplg_ops;
struct snd_soc_component *component;
struct snd_sof_dev *sdev;
int ret;
if (!swidget)
return 0;
component = swidget->scomp;
sdev = snd_soc_component_get_drvdata(component);
sdev = widget_to_sdev(w);
tplg_ops = sof_ipc_get_ops(sdev, tplg);
if (tplg_ops && tplg_ops->dai_config) {
@ -57,14 +63,24 @@ int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
static struct snd_sof_dev *dai_to_sdev(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai)
{
struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
return widget_to_sdev(w);
}
static const struct hda_dai_widget_dma_ops *
hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
{
struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component);
struct snd_sof_widget *swidget = w->dobj.private;
struct snd_sof_dev *sdev;
struct snd_sof_dai *sdai;
sdev = widget_to_sdev(w);
/*
* The swidget parameter of hda_select_dai_widget_ops() is ignored in
* case of DSPless mode
@ -96,14 +112,16 @@ static int hda_link_dma_cleanup(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai,
struct snd_soc_dai *codec_dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component);
const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
struct hdac_stream *hstream = &hext_stream->hstream;
struct hdac_bus *bus = hstream->bus;
struct sof_intel_hda_stream *hda_stream;
struct hdac_ext_link *hlink;
struct snd_sof_dev *sdev;
int stream_tag;
sdev = dai_to_sdev(substream, cpu_dai);
hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name);
if (!hlink)
return -EINVAL;
@ -140,7 +158,7 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
unsigned int link_bps;
int stream_tag;
sdev = snd_soc_component_get_drvdata(cpu_dai->component);
sdev = dai_to_sdev(substream, cpu_dai);
bus = sof_to_bus(sdev);
hlink = snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name);
@ -190,11 +208,11 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
static int hda_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component);
const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
struct hdac_ext_stream *hext_stream;
struct snd_sof_dev *sdev = dai_to_sdev(substream, cpu_dai);
if (!ops) {
dev_err(sdev->dev, "DAI widget ops not set\n");
@ -213,11 +231,11 @@ static int hda_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
struct hdac_ext_stream *hext_stream;
struct snd_sof_dai_config_data data = { 0 };
unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS;
struct snd_sof_dev *sdev = widget_to_sdev(w);
int ret;
if (!ops) {
@ -255,16 +273,18 @@ static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
*/
static int hda_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
struct hdac_ext_stream *hext_stream;
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai *codec_dai;
struct snd_sof_dev *sdev;
int ret;
dev_dbg(dai->dev, "cmd=%d dai %s direction %d\n", cmd,
dai->name, substream->stream);
sdev = dai_to_sdev(substream, dai);
hext_stream = ops->get_hext_stream(sdev, dai, substream);
if (!hext_stream)
return -EINVAL;
@ -344,7 +364,7 @@ static int hda_dai_suspend(struct hdac_bus *bus)
codec_dai = asoc_rtd_to_codec(rtd, 0);
w = snd_soc_dai_get_widget(cpu_dai, hdac_stream(hext_stream)->direction);
swidget = w->dobj.private;
sdev = snd_soc_component_get_drvdata(swidget->scomp);
sdev = widget_to_sdev(w);
sdai = swidget->private;
ops = sdai->platform_private;