ASoC: SOF: amd: set ipc flags to zero

As per design, set IPC conf structure flags to zero during acp init
sequence.

Link: https://github.com/thesofproject/linux/pull/5642
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Tested-by: Umang Jain <uajain@igalia.com>
Link: https://patch.msgid.link/20260609160938.3717513-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index f615b8d1c802083a1acb205178283c632fd278db..e6af8927baa0e39d51c76303a08a497068b34721 100644 (file)
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -377,6 +377,33 @@ void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src,
                snd_sof_dsp_write(sdev, ACP_DSP_BAR, reg_offset + i, src[j]);
 }
 
+static int acp_init_scratch_mem_ipc_flags(struct snd_sof_dev *sdev)
+{
+       u32 dsp_msg_write, dsp_ack_write, host_msg_write, host_ack_write;
+
+       dsp_msg_write = sdev->debug_box.offset +
+                       offsetof(struct scratch_ipc_conf, sof_dsp_msg_write);
+       dsp_ack_write = sdev->debug_box.offset +
+                       offsetof(struct scratch_ipc_conf, sof_dsp_ack_write);
+       host_msg_write = sdev->debug_box.offset +
+                        offsetof(struct scratch_ipc_conf, sof_host_msg_write);
+       host_ack_write = sdev->debug_box.offset +
+                        offsetof(struct scratch_ipc_conf, sof_host_ack_write);
+       /* Initialize host message write flag */
+       snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_msg_write, 0);
+
+       /* Initialize host ack write flag */
+       snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_ack_write, 0);
+
+       /* Initialize DSP message write flag */
+       snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_msg_write, 0);
+
+       /* Initialize DSP ack write flag */
+       snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write, 0);
+
+       return 0;
+}
+
 static int acp_memory_init(struct snd_sof_dev *sdev)
 {
        struct acp_dev_data *adata = sdev->pdata->hw_pdata;
@@ -384,6 +411,7 @@ static int acp_memory_init(struct snd_sof_dev *sdev)
 
        snd_sof_dsp_update_bits(sdev, ACP_DSP_BAR, desc->dsp_intr_base + DSP_SW_INTR_CNTL_OFFSET,
                                ACP_DSP_INTR_EN_MASK, ACP_DSP_INTR_EN_MASK);
+       acp_init_scratch_mem_ipc_flags(sdev);
        init_dma_descriptor(adata);
 
        return 0;