diff options
Diffstat (limited to 'sound/soc/sof/ipc4-control.c')
| -rw-r--r-- | sound/soc/sof/ipc4-control.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4-control.c b/sound/soc/sof/ipc4-control.c index b4cdcec33e..1be9519de9 100644 --- a/sound/soc/sof/ipc4-control.c +++ b/sound/soc/sof/ipc4-control.c @@ -240,6 +240,50 @@ sof_ipc4_set_generic_control_data(struct snd_sof_dev *sdev, return ret; } +static void sof_ipc4_refresh_generic_control(struct snd_sof_control *scontrol) +{ + struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data; + struct snd_soc_component *scomp = scontrol->scomp; + struct sof_ipc4_control_msg_payload *data; + struct sof_ipc4_msg *msg = &cdata->msg; + size_t data_size; + unsigned int i; + int ret; + + if (!scontrol->comp_data_dirty) + return; + + if (!pm_runtime_active(scomp->dev)) + return; + + data_size = struct_size(data, chanv, scontrol->num_channels); + data = kmalloc(data_size, GFP_KERNEL); + if (!data) + return; + + data->id = cdata->index; + data->num_elems = scontrol->num_channels; + msg->data_ptr = data; + msg->data_size = data_size; + + scontrol->comp_data_dirty = false; + ret = sof_ipc4_set_get_kcontrol_data(scontrol, false, true); + msg->data_ptr = NULL; + msg->data_size = 0; + if (!ret) { + for (i = 0; i < scontrol->num_channels; i++) { + cdata->chanv[i].channel = data->chanv[i].channel; + cdata->chanv[i].value = data->chanv[i].value; + } + } else { + dev_err(scomp->dev, "Failed to read control data for %s\n", + scontrol->name); + scontrol->comp_data_dirty = true; + } + + kfree(data); +} + static bool sof_ipc4_switch_put(struct snd_sof_control *scontrol, struct snd_ctl_elem_value *ucontrol) { @@ -290,6 +334,8 @@ static int sof_ipc4_switch_get(struct snd_sof_control *scontrol, struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data; unsigned int i; + sof_ipc4_refresh_generic_control(scontrol); + /* read back each channel */ for (i = 0; i < scontrol->num_channels; i++) ucontrol->value.integer.value[i] = cdata->chanv[i].value; @@ -347,6 +393,8 @@ static int sof_ipc4_enum_get(struct snd_sof_control *scontrol, struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data; unsigned int i; + sof_ipc4_refresh_generic_control(scontrol); + /* read back each channel */ for (i = 0; i < scontrol->num_channels; i++) ucontrol->value.enumerated.item[i] = cdata->chanv[i].value; @@ -601,6 +649,136 @@ sof_ipc4_volsw_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget, return sof_ipc4_set_volume_data(sdev, swidget, scontrol, false); } +#define PARAM_ID_FROM_EXTENSION(_ext) (((_ext) & SOF_IPC4_MOD_EXT_MSG_PARAM_ID_MASK) \ + >> SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT) + +static void sof_ipc4_control_update(struct snd_sof_dev *sdev, void *ipc_message) +{ + struct sof_ipc4_msg *ipc4_msg = ipc_message; + struct sof_ipc4_notify_module_data *ndata = ipc4_msg->data_ptr; + struct sof_ipc4_control_msg_payload *msg_data; + struct sof_ipc4_control_data *cdata; + struct snd_soc_dapm_widget *widget; + struct snd_sof_control *scontrol; + struct snd_sof_widget *swidget; + struct snd_kcontrol *kc = NULL; + bool scontrol_found = false; + u32 event_param_id; + int i, type; + + if (ndata->event_data_size < sizeof(*msg_data)) { + dev_err(sdev->dev, + "%s: Invalid event data size for module %u.%u: %u\n", + __func__, ndata->module_id, ndata->instance_id, + ndata->event_data_size); + return; + } + + event_param_id = ndata->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_PARAMID_MASK; + switch (event_param_id) { + case SOF_IPC4_SWITCH_CONTROL_PARAM_ID: + type = SND_SOC_TPLG_TYPE_MIXER; + break; + case SOF_IPC4_ENUM_CONTROL_PARAM_ID: + type = SND_SOC_TPLG_TYPE_ENUM; + break; + default: + dev_err(sdev->dev, + "%s: Invalid control type for module %u.%u: %u\n", + __func__, ndata->module_id, ndata->instance_id, + event_param_id); + return; + } + + /* Find the swidget based on ndata->module_id and ndata->instance_id */ + swidget = sof_ipc4_find_swidget_by_ids(sdev, ndata->module_id, + ndata->instance_id); + if (!swidget) { + dev_err(sdev->dev, "%s: Failed to find widget for module %u.%u\n", + __func__, ndata->module_id, ndata->instance_id); + return; + } + + /* Find the scontrol which is the source of the notification */ + msg_data = (struct sof_ipc4_control_msg_payload *)ndata->event_data; + list_for_each_entry(scontrol, &sdev->kcontrol_list, list) { + if (scontrol->comp_id == swidget->comp_id) { + u32 local_param_id; + + cdata = scontrol->ipc_control_data; + /* + * The scontrol's param_id is stored in the IPC message + * template's extension + */ + local_param_id = PARAM_ID_FROM_EXTENSION(cdata->msg.extension); + if (local_param_id == event_param_id && + msg_data->id == cdata->index) { + scontrol_found = true; + break; + } + } + } + + if (!scontrol_found) { + dev_err(sdev->dev, + "%s: Failed to find control on widget %s: %u:%u\n", + __func__, swidget->widget->name, ndata->event_id & 0xffff, + msg_data->id); + return; + } + + if (msg_data->num_elems) { + /* + * The message includes the updated value/data, update the + * control's local cache using the received notification + */ + for (i = 0; i < msg_data->num_elems; i++) { + u32 channel = msg_data->chanv[i].channel; + + if (channel >= scontrol->num_channels) { + dev_warn(sdev->dev, + "Invalid channel index for %s: %u\n", + scontrol->name, i); + + /* + * Mark the scontrol as dirty to force a refresh + * on next read + */ + scontrol->comp_data_dirty = true; + break; + } + + cdata->chanv[channel].value = msg_data->chanv[i].value; + } + } else { + /* + * Mark the scontrol as dirty because the value/data is changed + * in firmware, forcing a refresh on next read access + */ + scontrol->comp_data_dirty = true; + } + + /* + * Look up the ALSA kcontrol of the scontrol to be able to send a + * notification to user space + */ + widget = swidget->widget; + for (i = 0; i < widget->num_kcontrols; i++) { + /* skip non matching types or non matching indexes within type */ + if (widget->dobj.widget.kcontrol_type[i] == type && + widget->kcontrol_news[i].index == cdata->index) { + kc = widget->kcontrols[i]; + break; + } + } + + if (!kc) + return; + + snd_ctl_notify_one(swidget->scomp->card->snd_card, + SNDRV_CTL_EVENT_MASK_VALUE, kc, 0); +} + /* set up all controls for the widget */ static int sof_ipc4_widget_kcontrol_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) { @@ -674,6 +852,7 @@ const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops = { .bytes_ext_put = sof_ipc4_bytes_ext_put, .bytes_ext_get = sof_ipc4_bytes_ext_get, .bytes_ext_volatile_get = sof_ipc4_bytes_ext_volatile_get, + .update = sof_ipc4_control_update, .widget_kcontrol_setup = sof_ipc4_widget_kcontrol_setup, .set_up_volume_table = sof_ipc4_set_up_volume_table, }; 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