Unverified Commit d97964f8 authored by Ranjani Sridharan's avatar Ranjani Sridharan Committed by Mark Brown
Browse files

ASoC: SOF: ipc4-topology: Add control_setup op 



Define the control_setup op for IPC4 topology IPC ops to handle the
volume kcontrol types. Support for other kcontrol types will be added in
the follow up patches.

Co-developed-by: default avatarRander Wang <rander.wang@linux.intel.com>
Signed-off-by: default avatarRander Wang <rander.wang@linux.intel.com>
Co-developed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarPéter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220609032643.916882-10-ranjani.sridharan@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4d4ba014

sound/soc/sof/ipc4-topology.c

+49 −0
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ 
#include "ipc4-topology.h"

#include "ops.h"



#define SOF_IPC4_GAIN_PARAM_ID  0



static const struct sof_topology_token ipc4_sched_tokens[] = {

	{SOF_TKN_SCHED_LP_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,

		offsetof(struct sof_ipc4_pipeline, lp_mode)}
@@ -1030,6 +1032,52 @@ static int sof_ipc4_prepare_mixer_module(struct snd_sof_widget *swidget, 
	return sof_ipc4_widget_assign_instance_id(sdev, swidget);

}



static int sof_ipc4_control_load_volume(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol)

{

	struct sof_ipc4_control_data *control_data;

	struct sof_ipc4_msg *msg;

	int i;



	scontrol->size = struct_size(control_data, chanv, scontrol->num_channels);



	/* scontrol->ipc_control_data will be freed in sof_control_unload */

	scontrol->ipc_control_data = kzalloc(scontrol->size, GFP_KERNEL);

	if (!scontrol->ipc_control_data)

		return -ENOMEM;



	control_data = scontrol->ipc_control_data;

	control_data->index = scontrol->index;



	msg = &control_data->msg;

	msg->primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET);

	msg->primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);

	msg->primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);



	msg->extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_GAIN_PARAM_ID);



	/* set default volume values to 0dB in control */

	for (i = 0; i < scontrol->num_channels; i++) {

		control_data->chanv[i].channel = i;

		control_data->chanv[i].value = SOF_IPC4_VOL_ZERO_DB;

	}



	return 0;

}



static int sof_ipc4_control_setup(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol)

{

	switch (scontrol->info_type) {

	case SND_SOC_TPLG_CTL_VOLSW:

	case SND_SOC_TPLG_CTL_VOLSW_SX:

	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:

		return sof_ipc4_control_load_volume(sdev, scontrol);

	default:

		break;

	}



	return 0;

}



static enum sof_tokens host_token_list[] = {

	SOF_COMP_TOKENS,

	SOF_AUDIO_FMT_NUM_TOKENS,
@@ -1108,4 +1156,5 @@ static const struct sof_ipc_tplg_widget_ops tplg_ipc4_widget_ops[SND_SOC_DAPM_TY 
const struct sof_ipc_tplg_ops ipc4_tplg_ops = {

	.widget = tplg_ipc4_widget_ops,

	.token_list = ipc4_token_list,

	.control_setup = sof_ipc4_control_setup,

};