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Diffstat (limited to 'sound/soc/sof/amd/acp-ipc.c')
-rw-r--r--sound/soc/sof/amd/acp-ipc.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index e132223b4c66..e1842f037083 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -62,12 +62,26 @@ int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
{
struct acp_dev_data *adata = sdev->pdata->hw_pdata;
unsigned int offset = offsetof(struct scratch_ipc_conf, sof_in_box);
+ unsigned int count = ACP_HW_SEM_RETRY_COUNT;
+
+ while (snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_AXI2DAGB_SEM_0)) {
+ /* Wait until acquired HW Semaphore Lock or timeout*/
+ count--;
+ if (!count) {
+ dev_err(sdev->dev, "%s: Failed to acquire HW lock\n", __func__);
+ return -EINVAL;
+ }
+ }
acp_mailbox_write(sdev, offset, msg->msg_data, msg->msg_size);
acp_ipc_host_msg_set(sdev);
/* Trigger host to dsp interrupt for the msg */
acpbus_trigger_host_to_dsp_swintr(adata);
+
+ /* Unlock or Release HW Semaphore */
+ snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_AXI2DAGB_SEM_0, 0x0);
+
return 0;
}
EXPORT_SYMBOL_NS(acp_sof_ipc_send_msg, SND_SOC_SOF_AMD_COMMON);
@@ -170,14 +184,6 @@ int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_pcm_substream *sub
}
EXPORT_SYMBOL_NS(acp_sof_ipc_msg_data, SND_SOC_SOF_AMD_COMMON);
-int acp_sof_ipc_pcm_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
- const struct sof_ipc_pcm_params_reply *reply)
-{
- /* TODO: Implement stream hw params to validate stream offset */
- return 0;
-}
-EXPORT_SYMBOL_NS(acp_sof_ipc_pcm_params, SND_SOC_SOF_AMD_COMMON);
-
int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev)
{
return ACP_SCRATCH_MEMORY_ADDRESS;