[PATCH 1/3] ASoC: SOF: Intel: tgl: Add fw_regs area to debugfs map for IPC4

[Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>]

Expose the firmware registers via debugfs. it can be of great help while
debugging complex issues.
The area is only available with IPC4.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/intel/tgl.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sof/intel/tgl.c b/sound/soc/sof/intel/tgl.c
index c2bb04c89b9d..6cda47a78118 100644
--- a/sound/soc/sof/intel/tgl.c
+++ b/sound/soc/sof/intel/tgl.c
@@ -22,6 +22,13 @@ static const struct snd_sof_debugfs_map tgl_dsp_debugfs[] = {
 	{"dsp", HDA_DSP_BAR,  0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
 };
 
+static const struct snd_sof_debugfs_map tgl_ipc4_dsp_debugfs[] = {
+	{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"pp", HDA_DSP_PP_BAR,  0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"dsp", HDA_DSP_BAR,  0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"fw_regs", HDA_DSP_BAR,  SRAM_WINDOW_OFFSET(0), 0x1000, SOF_DEBUGFS_ACCESS_D0_ONLY},
+};
+
 static int tgl_dsp_core_get(struct snd_sof_dev *sdev, int core)
 {
 	const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
@@ -75,6 +82,8 @@ int sof_tgl_ops_init(struct snd_sof_dev *sdev)
 
 		/* debug */
 		sof_tgl_ops.ipc_dump	= cnl_ipc_dump;
+		sof_tgl_ops.debug_map	= tgl_dsp_debugfs;
+		sof_tgl_ops.debug_map_count = ARRAY_SIZE(tgl_dsp_debugfs);
 
 		sof_tgl_ops.set_power_state = hda_dsp_set_power_state_ipc3;
 	}
@@ -105,6 +114,8 @@ int sof_tgl_ops_init(struct snd_sof_dev *sdev)
 		/* debug */
 		sof_tgl_ops.ipc_dump	= cnl_ipc4_dump;
 		sof_tgl_ops.dbg_dump	= hda_ipc4_dsp_dump;
+		sof_tgl_ops.debug_map	= tgl_ipc4_dsp_debugfs;
+		sof_tgl_ops.debug_map_count = ARRAY_SIZE(tgl_ipc4_dsp_debugfs);
 
 		sof_tgl_ops.set_power_state = hda_dsp_set_power_state_ipc4;
 	}
@@ -112,10 +123,6 @@ int sof_tgl_ops_init(struct snd_sof_dev *sdev)
 	/* set DAI driver ops */
 	hda_set_dai_drv_ops(sdev, &sof_tgl_ops);
 
-	/* debug */
-	sof_tgl_ops.debug_map	= tgl_dsp_debugfs;
-	sof_tgl_ops.debug_map_count	= ARRAY_SIZE(tgl_dsp_debugfs);
-
 	/* pre/post fw run */
 	sof_tgl_ops.post_fw_run = hda_dsp_post_fw_run;
 
-- 
2.44.0