Separate the IPC message part as struct sof_ipc4_src_data. This struct
describes the message payload passed to the firmware via the mailbox.
It is not wise to be 'clever' and try to use the first part of a struct
as IPC message without marking the message section as packed and aligned.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc4-topology.c | 21 +++++++++++----------
sound/soc/sof/ipc4-topology.h | 16 ++++++++++++----
2 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index b89065abb511..417e841173fb 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -141,7 +141,7 @@ static const struct sof_topology_token gain_tokens[] = {
/* SRC */
static const struct sof_topology_token src_tokens[] = {
{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
- offsetof(struct sof_ipc4_src, sink_rate)},
+ offsetof(struct sof_ipc4_src_data, sink_rate)},
};
static const struct sof_token_info ipc4_token_list[SOF_TOKEN_COUNT] = {
@@ -831,11 +831,12 @@ static int sof_ipc4_widget_setup_comp_src(struct snd_sof_widget *swidget)
swidget->private = src;
- ret = sof_ipc4_get_audio_fmt(scomp, swidget, &src->available_fmt, &src->base_config);
+ ret = sof_ipc4_get_audio_fmt(scomp, swidget, &src->available_fmt,
+ &src->data.base_config);
if (ret)
goto err;
- ret = sof_update_ipc_object(scomp, src, SOF_SRC_TOKENS, swidget->tuples,
+ ret = sof_update_ipc_object(scomp, &src->data, SOF_SRC_TOKENS, swidget->tuples,
swidget->num_tuples, sizeof(*src), 1);
if (ret) {
dev_err(scomp->dev, "Parsing SRC tokens failed\n");
@@ -844,7 +845,7 @@ static int sof_ipc4_widget_setup_comp_src(struct snd_sof_widget *swidget)
spipe->core_mask |= BIT(swidget->core);
- dev_dbg(scomp->dev, "SRC sink rate %d\n", src->sink_rate);
+ dev_dbg(scomp->dev, "SRC sink rate %d\n", src->data.sink_rate);
ret = sof_ipc4_widget_setup_msg(swidget, &src->msg);
if (ret)
@@ -1920,7 +1921,7 @@ static int sof_ipc4_prepare_src_module(struct snd_sof_widget *swidget,
u32 out_ref_rate, out_ref_channels, out_ref_valid_bits;
int output_format_index, input_format_index;
- input_format_index = sof_ipc4_init_input_audio_fmt(sdev, swidget, &src->base_config,
+ input_format_index = sof_ipc4_init_input_audio_fmt(sdev, swidget, &src->data.base_config,
pipeline_params, available_fmt);
if (input_format_index < 0)
return input_format_index;
@@ -1950,7 +1951,7 @@ static int sof_ipc4_prepare_src_module(struct snd_sof_widget *swidget,
*/
out_ref_rate = params_rate(fe_params);
- output_format_index = sof_ipc4_init_output_audio_fmt(sdev, &src->base_config,
+ output_format_index = sof_ipc4_init_output_audio_fmt(sdev, &src->data.base_config,
available_fmt, out_ref_rate,
out_ref_channels, out_ref_valid_bits);
if (output_format_index < 0) {
@@ -1960,10 +1961,10 @@ static int sof_ipc4_prepare_src_module(struct snd_sof_widget *swidget,
}
/* update pipeline memory usage */
- sof_ipc4_update_resource_usage(sdev, swidget, &src->base_config);
+ sof_ipc4_update_resource_usage(sdev, swidget, &src->data.base_config);
out_audio_fmt = &available_fmt->output_pin_fmts[output_format_index].audio_fmt;
- src->sink_rate = out_audio_fmt->sampling_frequency;
+ src->data.sink_rate = out_audio_fmt->sampling_frequency;
/* update pipeline_params for sink widgets */
return sof_ipc4_update_hw_params(sdev, pipeline_params, out_audio_fmt);
@@ -2364,8 +2365,8 @@ static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget
{
struct sof_ipc4_src *src = swidget->private;
- ipc_size = sizeof(struct sof_ipc4_base_module_cfg) + sizeof(src->sink_rate);
- ipc_data = src;
+ ipc_size = sizeof(src->data);
+ ipc_data = &src->data;
msg = &src->msg;
break;
diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h
index 0a57b8ab3e08..127caca5262a 100644
--- a/sound/soc/sof/ipc4-topology.h
+++ b/sound/soc/sof/ipc4-topology.h
@@ -404,16 +404,24 @@ struct sof_ipc4_mixer {
struct sof_ipc4_msg msg;
};
-/**
- * struct sof_ipc4_src SRC config data
+/*
+ * struct sof_ipc4_src_data - IPC data for SRC
* @base_config: IPC base config data
* @sink_rate: Output rate for sink module
+ */
+struct sof_ipc4_src_data {
+ struct sof_ipc4_base_module_cfg base_config;
+ uint32_t sink_rate;
+} __packed __aligned(4);
+
+/**
+ * struct sof_ipc4_src - SRC config data
+ * @data: IPC base config data
* @available_fmt: Available audio format
* @msg: IPC4 message struct containing header and data info
*/
struct sof_ipc4_src {
- struct sof_ipc4_base_module_cfg base_config;
- uint32_t sink_rate;
+ struct sof_ipc4_src_data data;
struct sof_ipc4_available_audio_format available_fmt;
struct sof_ipc4_msg msg;
};
--
2.43.0
