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authorRanjani Sridharan <ranjani.sridharan@linux.intel.com>2022-03-17 20:50:30 +0300
committerMark Brown <broonie@kernel.org>2022-03-18 19:04:39 +0300
commit10f461d79c2d1afb22344986cc1b4631169cf25e (patch)
tree18056b2847f4e2dfb359433a2d6c92993228d2d8 /sound/soc/sof/ipc3-control.c
parenta0149a6bf0b4969a7f732528b2fb6ce32c309dfc (diff)
downloadlinux-10f461d79c2d1afb22344986cc1b4631169cf25e.tar.xz
ASoC: SOF: Add IPC3 topology control ops
Define the topology control IPC ops for IPC3, implement the control_notify op and use it. Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20220317175044.1752400-6-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/ipc3-control.c')
-rw-r--r--sound/soc/sof/ipc3-control.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc3-control.c b/sound/soc/sof/ipc3-control.c
new file mode 100644
index 000000000000..d4086e805c18
--- /dev/null
+++ b/sound/soc/sof/ipc3-control.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// This file is provided under a dual BSD/GPLv2 license. When using or
+// redistributing this file, you may do so under either license.
+//
+// Copyright(c) 2021 Intel Corporation. All rights reserved.
+//
+//
+
+#include "sof-priv.h"
+#include "sof-audio.h"
+#include "ipc3-ops.h"
+
+static void snd_sof_update_control(struct snd_sof_control *scontrol,
+ struct sof_ipc_ctrl_data *cdata)
+{
+ struct snd_soc_component *scomp = scontrol->scomp;
+ struct sof_ipc_ctrl_data *local_cdata;
+ int i;
+
+ local_cdata = scontrol->ipc_control_data;
+
+ if (cdata->cmd == SOF_CTRL_CMD_BINARY) {
+ if (cdata->num_elems != local_cdata->data->size) {
+ dev_err(scomp->dev, "cdata binary size mismatch %u - %u\n",
+ cdata->num_elems, local_cdata->data->size);
+ return;
+ }
+
+ /* copy the new binary data */
+ memcpy(local_cdata->data, cdata->data, cdata->num_elems);
+ } else if (cdata->num_elems != scontrol->num_channels) {
+ dev_err(scomp->dev, "cdata channel count mismatch %u - %d\n",
+ cdata->num_elems, scontrol->num_channels);
+ } else {
+ /* copy the new values */
+ for (i = 0; i < cdata->num_elems; i++)
+ local_cdata->chanv[i].value = cdata->chanv[i].value;
+ }
+}
+
+static void sof_ipc3_control_update(struct snd_sof_dev *sdev, void *ipc_control_message)
+{
+ struct sof_ipc_ctrl_data *cdata = ipc_control_message;
+ struct snd_soc_dapm_widget *widget;
+ struct snd_sof_control *scontrol;
+ struct snd_sof_widget *swidget;
+ struct snd_kcontrol *kc = NULL;
+ struct soc_mixer_control *sm;
+ struct soc_bytes_ext *be;
+ size_t expected_size;
+ struct soc_enum *se;
+ bool found = false;
+ int i, type;
+
+ if (cdata->type == SOF_CTRL_TYPE_VALUE_COMP_GET ||
+ cdata->type == SOF_CTRL_TYPE_VALUE_COMP_SET) {
+ dev_err(sdev->dev, "Component data is not supported in control notification\n");
+ return;
+ }
+
+ /* Find the swidget first */
+ list_for_each_entry(swidget, &sdev->widget_list, list) {
+ if (swidget->comp_id == cdata->comp_id) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return;
+
+ /* Translate SOF cmd to TPLG type */
+ switch (cdata->cmd) {
+ case SOF_CTRL_CMD_VOLUME:
+ case SOF_CTRL_CMD_SWITCH:
+ type = SND_SOC_TPLG_TYPE_MIXER;
+ break;
+ case SOF_CTRL_CMD_BINARY:
+ type = SND_SOC_TPLG_TYPE_BYTES;
+ break;
+ case SOF_CTRL_CMD_ENUM:
+ type = SND_SOC_TPLG_TYPE_ENUM;
+ break;
+ default:
+ dev_err(sdev->dev, "Unknown cmd %u in %s\n", cdata->cmd, __func__);
+ return;
+ }
+
+ 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;
+
+ switch (cdata->cmd) {
+ case SOF_CTRL_CMD_VOLUME:
+ case SOF_CTRL_CMD_SWITCH:
+ sm = (struct soc_mixer_control *)kc->private_value;
+ scontrol = sm->dobj.private;
+ break;
+ case SOF_CTRL_CMD_BINARY:
+ be = (struct soc_bytes_ext *)kc->private_value;
+ scontrol = be->dobj.private;
+ break;
+ case SOF_CTRL_CMD_ENUM:
+ se = (struct soc_enum *)kc->private_value;
+ scontrol = se->dobj.private;
+ break;
+ default:
+ return;
+ }
+
+ expected_size = sizeof(struct sof_ipc_ctrl_data);
+ switch (cdata->type) {
+ case SOF_CTRL_TYPE_VALUE_CHAN_GET:
+ case SOF_CTRL_TYPE_VALUE_CHAN_SET:
+ expected_size += cdata->num_elems *
+ sizeof(struct sof_ipc_ctrl_value_chan);
+ break;
+ case SOF_CTRL_TYPE_DATA_GET:
+ case SOF_CTRL_TYPE_DATA_SET:
+ expected_size += cdata->num_elems + sizeof(struct sof_abi_hdr);
+ break;
+ default:
+ return;
+ }
+
+ if (cdata->rhdr.hdr.size != expected_size) {
+ dev_err(sdev->dev, "Component notification size mismatch\n");
+ return;
+ }
+
+ if (cdata->num_elems)
+ /*
+ * The message includes the updated value/data, update the
+ * control's local cache using the received notification
+ */
+ snd_sof_update_control(scontrol, cdata);
+ else
+ /* Mark the scontrol that the value/data is changed in SOF */
+ scontrol->comp_data_dirty = true;
+
+ snd_ctl_notify_one(swidget->scomp->card->snd_card, SNDRV_CTL_EVENT_MASK_VALUE, kc, 0);
+}
+
+const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops = {
+ .update = sof_ipc3_control_update,
+};