For pipes supporting multiple input/output formats, kcontrol is created and selection of pipe input and output configuration is done based on control set.
If more than one configuration is supported, then this patch allows user to select configuration of choice using amixer settings.
Signed-off-by: Mateusz Gorski mateusz.gorski@linux.intel.com Signed-off-by: S, Pavan K pavan.k.s@intel.com Reviewed-by: Cezary Rojewski cezary.rojewski@intel.com ---
Changes in v2: --none--
Changes in v3: - reordered declarations in skl_tplg_is_multi_fmt
Changes in v4: - added helper function to set and get pipe config
include/uapi/sound/skl-tplg-interface.h | 1 + sound/soc/intel/skylake/skl-topology.c | 94 +++++++++++++++++++++++++ sound/soc/intel/skylake/skl-topology.h | 1 + 3 files changed, 96 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 34ddbdc2b32a..f51eaf77aad3 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -579,6 +579,38 @@ 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) +{ + struct skl_pipe_fmt *cur_fmt; + struct skl_pipe_fmt *next_fmt; + int i; + + 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. @@ -601,6 +633,14 @@ 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; @@ -1315,6 +1355,55 @@ static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w, return 0; }
+static int skl_tplg_multi_config_set_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol, bool is_set) +{ + 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 (is_set && (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; + + if (is_set) + pipe->pipe_config_idx = ucontrol->value.enumerated.item[0]; + else + ucontrol->value.enumerated.item[0] = pipe->pipe_config_idx; + + return 0; +} + +static int skl_tplg_multi_config_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return skl_tplg_multi_config_set_get(kcontrol, ucontrol, false); +} + +static int skl_tplg_multi_config_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + return skl_tplg_multi_config_set_get(kcontrol, ucontrol, true); +} + static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol, unsigned int __user *data, unsigned int size) { @@ -1854,6 +1943,11 @@ 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 {