[PATCH 3/7] ASoC: SOF: amd: add module parameter for firmware debug

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Add module parameter for firmware debug. If firmware debug
flag is enabled, clear the fusion stall bit which is required
for enabling firmware debugging through JTAG.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
---
 sound/soc/sof/amd/acp-loader.c | 3 ++-
 sound/soc/sof/amd/acp.c        | 5 +++++
 sound/soc/sof/amd/acp.h        | 1 +
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sof/amd/acp-loader.c b/sound/soc/sof/amd/acp-loader.c
index a63c00b53a5e..a427673cfb03 100644
--- a/sound/soc/sof/amd/acp-loader.c
+++ b/sound/soc/sof/amd/acp-loader.c
@@ -207,6 +207,7 @@ EXPORT_SYMBOL_NS(acp_dsp_pre_fw_run, SND_SOC_SOF_AMD_COMMON);
 
 int acp_sof_dsp_run(struct snd_sof_dev *sdev)
 {
+	struct acp_dev_data *adata = sdev->pdata->hw_pdata;
 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
 	int val;
 
@@ -215,7 +216,7 @@ int acp_sof_dsp_run(struct snd_sof_dev *sdev)
 	dev_dbg(sdev->dev, "ACP_DSP0_RUNSTALL : 0x%0x\n", val);
 
 	/* Some platforms won't support fusion DSP,keep offset zero for no support */
-	if (desc->fusion_dsp_offset) {
+	if (desc->fusion_dsp_offset && adata->enable_fw_debug) {
 		snd_sof_dsp_write(sdev, ACP_DSP_BAR, desc->fusion_dsp_offset, ACP_DSP_RUN);
 		val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->fusion_dsp_offset);
 		dev_dbg(sdev->dev, "ACP_DSP0_FUSION_RUNSTALL : 0x%0x\n", val);
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c
index 651b56388cb6..ebc985e2aaad 100644
--- a/sound/soc/sof/amd/acp.c
+++ b/sound/soc/sof/amd/acp.c
@@ -22,6 +22,10 @@
 
 #define SECURED_FIRMWARE 1
 
+static bool enable_fw_debug;
+module_param(enable_fw_debug, bool, 0444);
+MODULE_PARM_DESC(enable_fw_debug, "Enable Firmware debug");
+
 const struct dmi_system_id acp_sof_quirk_table[] = {
 	{
 		/* Valve Jupiter device */
@@ -558,6 +562,7 @@ int amd_sof_acp_probe(struct snd_sof_dev *sdev)
 		dev_dbg(sdev->dev, "fw_code_bin:%s, fw_data_bin:%s\n", adata->fw_code_bin,
 			adata->fw_data_bin);
 	}
+	adata->enable_fw_debug = enable_fw_debug;
 	acp_memory_init(sdev);
 
 	acp_dsp_stream_init(sdev);
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 97bcada822ef..4dcceb764769 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -205,6 +205,7 @@ struct acp_dev_data {
 	struct acp_dsp_stream *dtrace_stream;
 	struct pci_dev *smn_dev;
 	struct acp_dsp_stream *probe_stream;
+	bool enable_fw_debug;
 };
 
 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
-- 
2.34.1




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