Il 15/05/23 07:25, Trevor Wu ha scritto:
Add mt8188 dai driver and specify of_machine to support mt8188 audio.
Signed-off-by: Trevor Wu <trevor.wu@xxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Yaochun Hung <yc.hung@xxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/mediatek/mt8186/mt8186.c | 61 +++++++++++++++++++++++++-
1 file changed, 60 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c
index 419913c8474d..3a9c81418c1f 100644
--- a/sound/soc/sof/mediatek/mt8186/mt8186.c
+++ b/sound/soc/sof/mediatek/mt8186/mt8186.c
@@ -594,7 +594,65 @@ static const struct sof_dev_desc sof_of_mt8186_desc = {
.ops = &sof_mt8186_ops,
};
+/*
+ * DL2, DL3, UL4, UL5 are registered as SOF FE, so creating the corresponding
+ * SOF BE to complete the pipeline.
+ */
+static struct snd_soc_dai_driver mt8188_dai[] = {
+{
+ .name = "SOF_DL2",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+},
+{
+ .name = "SOF_DL3",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+},
+{
+ .name = "SOF_UL4",
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+},
+{
+ .name = "SOF_UL5",
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ },
+},
+};
+
+/* mt8188 ops */
+static struct snd_sof_dsp_ops sof_mt8188_ops;
+
+static int sof_mt8188_ops_init(struct snd_sof_dev *sdev)
+{
+ /* common defaults */
+ memcpy(&sof_mt8188_ops, &sof_mt8186_ops, sizeof(struct snd_sof_dsp_ops));
Never use sizeof(type), always use destination var size! Anyway, there's more.
I don't think we need to perform this memcpy: we'll never see an instance of
both mt8186 and mt8188 drivers on the same machine, so you can safely just use
sof_mt8186_ops for mt8188...
+
+ sof_mt8188_ops.drv = mt8188_dai;
...which obviously means that this becomes
sof_mt8186_ops.drv = mt8188_dai;
and....
+ sof_mt8186_ops.num_drv = ARRAY_SIZE(mt8188_dai);
+
+ return 0;
+}
+
+static struct snd_sof_of_mach sof_mt8188_machs[] = {
+ {
+ .compatible = "mediatek,mt8188",
+ .sof_tplg_filename = "sof-mt8188.tplg",
+ },
+ {}
+};
+
static const struct sof_dev_desc sof_of_mt8188_desc = {
+ .of_machines = sof_mt8188_machs,
.ipc_supported_mask = BIT(SOF_IPC),
.ipc_default = SOF_IPC,
.default_fw_path = {
@@ -607,7 +665,8 @@ static const struct sof_dev_desc sof_of_mt8188_desc = {
[SOF_IPC] = "sof-mt8188.ri",
},
.nocodec_tplg_filename = "sof-mt8188-nocodec.tplg",
- .ops = &sof_mt8186_ops,
+ .ops = &sof_mt8188_ops,
...this keeps being sof_mt8186_ops as well.
+ .ops_init = sof_mt8188_ops_init,
};
static const struct of_device_id sof_of_mt8186_ids[] = {
Regards,
Angelo