diff options
| -rw-r--r-- | include/sound/sof/ipc4/header.h | 29 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-control.c | 179 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-priv.h | 3 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-topology.c | 20 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4.c | 57 |
5 files changed, 288 insertions, 0 deletions
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h index 574a9d581f88..2c81d6dde577 100644 --- a/include/sound/sof/ipc4/header.h +++ b/include/sound/sof/ipc4/header.h @@ -532,6 +532,35 @@ struct sof_ipc4_notify_resource_data { #define SOF_IPC4_DEBUG_SLOT_TELEMETRY 0x4c455400 #define SOF_IPC4_DEBUG_SLOT_BROKEN 0x44414544 +/** + * struct sof_ipc4_notify_module_data - payload for module notification + * @instance_id: instance ID of the originator module of the notification + * @module_id: module ID of the originator of the notification + * @event_id: module specific event id + * @event_data_size: Size of the @event_data (if any) in bytes + * @event_data: Optional notification data, module and notification dependent + */ +struct sof_ipc4_notify_module_data { + uint16_t instance_id; + uint16_t module_id; + uint32_t event_id; + uint32_t event_data_size; + uint8_t event_data[]; +} __packed __aligned(4); + +/* + * ALSA kcontrol change notification + * + * The event_id of struct sof_ipc4_notify_module_data is divided into two u16: + * upper u16: magic number for ALSA kcontrol types: 0xA15A + * lower u16: param_id of the control, which is the type of the control + * The event_data contains the struct sof_ipc4_control_msg_payload of the control + * which sent the notification. + */ +#define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK GENMASK(31, 16) +#define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL 0xA15A0000 +#define SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_PARAMID_MASK GENMASK(15, 0) + /** @}*/ #endif diff --git a/sound/soc/sof/ipc4-control.c b/sound/soc/sof/ipc4-control.c index 938efaceb81c..3d2a35f27a87 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, }; diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h index 9e69b7c29117..fea93b693f4d 100644 --- a/sound/soc/sof/ipc4-priv.h +++ b/sound/soc/sof/ipc4-priv.h @@ -115,6 +115,9 @@ int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev); struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev, const guid_t *uuid); +struct snd_sof_widget *sof_ipc4_find_swidget_by_ids(struct snd_sof_dev *sdev, + u32 module_id, int instance_id); + struct sof_ipc4_base_module_cfg; void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev, struct sof_ipc4_fw_module *fw_module, diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index b24a64377f68..8ab9c42069ee 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -167,6 +167,26 @@ static const struct sof_token_info ipc4_token_list[SOF_TOKEN_COUNT] = { [SOF_SRC_TOKENS] = {"SRC tokens", src_tokens, ARRAY_SIZE(src_tokens)}, }; +struct snd_sof_widget *sof_ipc4_find_swidget_by_ids(struct snd_sof_dev *sdev, + u32 module_id, int instance_id) +{ + struct snd_sof_widget *swidget; + + list_for_each_entry(swidget, &sdev->widget_list, list) { + struct sof_ipc4_fw_module *fw_module = swidget->module_info; + + /* Only active module instances have valid instance_id */ + if (!swidget->use_count) + continue; + + if (fw_module && fw_module->man4_module_entry.id == module_id && + swidget->instance_id == instance_id) + return swidget; + } + + return NULL; +} + static void sof_ipc4_dbg_audio_format(struct device *dev, struct sof_ipc4_pin_format *pin_fmt, int num_formats) { diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c index 8441f4ae4065..a9d9800d2fcc 100644 --- a/sound/soc/sof/ipc4.c +++ b/sound/soc/sof/ipc4.c @@ -78,6 +78,9 @@ static const struct sof_ipc4_fw_status { {165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"}, }; +typedef void (*ipc4_notification_handler)(struct snd_sof_dev *sdev, + struct sof_ipc4_msg *msg); + static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status) { int i, ret; @@ -610,9 +613,55 @@ static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg return sof_ipc4_init_msg_memory(sdev); } +static void sof_ipc4_module_notification_handler(struct snd_sof_dev *sdev, + struct sof_ipc4_msg *ipc4_msg) +{ + struct sof_ipc4_notify_module_data *data = ipc4_msg->data_ptr; + + /* + * If the notification includes additional, module specific data, then + * we need to re-allocate the buffer and re-read the whole payload, + * including the event_data + */ + if (data->event_data_size) { + void *new; + int ret; + + ipc4_msg->data_size += data->event_data_size; + + new = krealloc(ipc4_msg->data_ptr, ipc4_msg->data_size, GFP_KERNEL); + if (!new) { + ipc4_msg->data_size -= data->event_data_size; + return; + } + + /* re-read the whole payload */ + ipc4_msg->data_ptr = new; + ret = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, + ipc4_msg->data_size); + if (ret < 0) { + dev_err(sdev->dev, + "Failed to read the full module notification: %d\n", + ret); + return; + } + data = ipc4_msg->data_ptr; + } + + /* Handle ALSA kcontrol notification */ + if ((data->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK) == + SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL) { + const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; + + if (tplg_ops->control->update) + tplg_ops->control->update(sdev, ipc4_msg); + } +} + static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) { struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data; + ipc4_notification_handler handler_func = NULL; size_t data_size = 0; int err; @@ -648,6 +697,10 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT: snd_sof_dsp_panic(sdev, 0, true); break; + case SOF_IPC4_NOTIFY_MODULE_NOTIFICATION: + data_size = sizeof(struct sof_ipc4_notify_module_data); + handler_func = sof_ipc4_module_notification_handler; + break; default: dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n", ipc4_msg->primary, ipc4_msg->extension); @@ -663,6 +716,10 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size); } + /* Handle notifications with payload */ + if (handler_func) + handler_func(sdev, ipc4_msg); + sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true); if (data_size) { |