ASoC: SOF: Intel: mtl: Add fw_regs area to debugfs map

Expose the firmware registers via debugfs. it can be of great help while
debugging complex issues.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://msgid.link/r/20240409113349.21623-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c
index dc203505536c5598b9d102e3b8a6fadcc4834b2f..5d3b2d4be78ae0c47a3355341403473dcd3abea5 100644 (file)
--- a/sound/soc/sof/intel/mtl.c
+++ b/sound/soc/sof/intel/mtl.c
@@ -25,6 +25,7 @@ static const struct snd_sof_debugfs_map mtl_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,  MTL_SRAM_WINDOW_OFFSET(0), 0x1000, SOF_DEBUGFS_ACCESS_D0_ONLY},
 };
 
 static void mtl_ipc_host_done(struct snd_sof_dev *sdev)