If a pipe supports multiple input/output formats, kcontrol is
created and selection of pipe input and output configuration
is done based on control set.
Effectively allows user to select configuration using amixer settings.
Signed-off-by: Mateusz Gorski <mateusz.gorski@xxxxxxxxxxxxxxx>
Signed-off-by: S, Pavan K <pavan.k.s@xxxxxxxxx>
---
include/uapi/sound/skl-tplg-interface.h | 1 +
sound/soc/intel/skylake/skl-topology.c | 110 ++++++++++++++++++++++++
sound/soc/intel/skylake/skl-topology.h | 1 +
3 files changed, 112 insertions(+)
diff --git a/include/uapi/sound/skl-tplg-interface.h b/include/uapi/sound/skl-tplg-interface.h
index 9eee32f5e407..f2711186c81f 100644
--- a/include/uapi/sound/skl-tplg-interface.h
+++ b/include/uapi/sound/skl-tplg-interface.h
@@ -18,6 +18,7 @@
*/
#define SKL_CONTROL_TYPE_BYTE_TLV 0x100
#define SKL_CONTROL_TYPE_MIC_SELECT 0x102
+#define SKL_CONTROL_TYPE_MULTI_IO_SELECT 0x103
#define HDA_SST_CFG_MAX 900 /* size of copier cfg*/
#define MAX_IN_QUEUE 8
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 344b06df0e15..de60b6873666 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -578,6 +578,38 @@ static int skl_tplg_unload_pipe_modules(struct skl_dev *skl,
return ret;
}
+static bool skl_tplg_is_multi_fmt(struct skl_dev *skl, struct skl_pipe *pipe)
+{
+ int i;
+ struct skl_pipe_fmt *cur_fmt;
+ struct skl_pipe_fmt *next_fmt;
+
+ if (pipe->nr_cfgs <= 1)
+ return false;
+
+ if (pipe->conn_type != SKL_PIPE_CONN_TYPE_FE)
+ return true;
+
+ for (i = 0; i < pipe->nr_cfgs - 1; i++) {
+ if (pipe->direction == SNDRV_PCM_STREAM_PLAYBACK) {
+ cur_fmt = &pipe->configs[i].out_fmt;
+ next_fmt = &pipe->configs[i+1].out_fmt;
+ } else {
+ cur_fmt = &pipe->configs[i].in_fmt;
+ next_fmt = &pipe->configs[i+1].in_fmt;
+ }
+
+ if (!CHECK_HW_PARAMS(cur_fmt->channels, cur_fmt->freq,
+ cur_fmt->bps,
+ next_fmt->channels,
+ next_fmt->freq,
+ next_fmt->bps))
+ return true;
+ }
+
+ return false;
+}
+
/*
* Here, we select pipe format based on the pipe type and pipe
* direction to determine the current config index for the pipeline.
@@ -600,6 +632,14 @@ skl_tplg_get_pipe_config(struct skl_dev *skl, struct skl_module_cfg *mconfig)
return 0;
}
+ if (skl_tplg_is_multi_fmt(skl, pipe)) {
+ pipe->cur_config_idx = pipe->pipe_config_idx;
+ pipe->memory_pages = pconfig->mem_pages;
+ dev_dbg(skl->dev, "found pipe config idx:%d\n",
+ pipe->cur_config_idx);
+ return 0;
+ }
+
if (pipe->conn_type == SKL_PIPE_CONN_TYPE_NONE) {
dev_dbg(skl->dev, "No conn_type detected, take 0th config\n");
pipe->cur_config_idx = 0;
@@ -1314,6 +1354,71 @@ static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w,
return 0;
}
+static int skl_tplg_multi_config_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct hdac_bus *bus = snd_soc_component_get_drvdata(component);
+ struct skl_dev *skl = bus_to_skl(bus);
+ struct skl_pipeline *ppl;
+ struct skl_pipe *pipe = NULL;
+ u32 *pipe_id;
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+
+ if (!ec)
+ return -EINVAL;
+
+ pipe_id = ec->dobj.private;
+
+ list_for_each_entry(ppl, &skl->ppl_list, node) {
+ if (ppl->pipe->ppl_id == *pipe_id) {
+ pipe = ppl->pipe;
+ break;
+ }
+ }
+ if (!pipe)
+ return -EIO;
+
+ ucontrol->value.enumerated.item[0] = pipe->pipe_config_idx;
+
+ return 0;
+}
+
+static int skl_tplg_multi_config_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct hdac_bus *bus = snd_soc_component_get_drvdata(component);
+ struct skl_dev *skl = bus_to_skl(bus);
+ struct skl_pipeline *ppl;
+ struct skl_pipe *pipe = NULL;
+ struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
+ u32 *pipe_id;
+
+ if (!ec)
+ return -EINVAL;
+
+ if (ucontrol->value.enumerated.item[0] > ec->items)
+ return -EINVAL;
+
+ pipe_id = ec->dobj.private;
+
+ list_for_each_entry(ppl, &skl->ppl_list, node) {
+ if (ppl->pipe->ppl_id == *pipe_id) {
+ pipe = ppl->pipe;
+ break;
+ }
+ }
+ if (!pipe)
+ return -EIO;
+
+ pipe->pipe_config_idx = ucontrol->value.enumerated.item[0];
+
+ return 0;
+}
+
static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol,
unsigned int __user *data, unsigned int size)
{
@@ -1853,6 +1958,11 @@ static const struct snd_soc_tplg_kcontrol_ops skl_tplg_kcontrol_ops[] = {
.get = skl_tplg_mic_control_get,
.put = skl_tplg_mic_control_set,
},
+ {
+ .id = SKL_CONTROL_TYPE_MULTI_IO_SELECT,
+ .get = skl_tplg_multi_config_get,
+ .put = skl_tplg_multi_config_set,
+ },
};
static int skl_tplg_fill_pipe_cfg(struct device *dev,
diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
index e967800dbb62..06576147cc29 100644
--- a/sound/soc/intel/skylake/skl-topology.h
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -306,6 +306,7 @@ struct skl_pipe {
struct skl_path_config configs[SKL_MAX_PATH_CONFIGS];
struct list_head w_list;
bool passthru;
+ u32 pipe_config_idx;
};
enum skl_module_state {
--
2.17.1
