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| author | Pan Xiuli <xiuli.pan@linux.intel.com> | 2019-04-30 18:09:34 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-03 15:03:16 +0900 |
| commit | dc20e5f315e1967f3d1abb4ede8594cf51bdda47 (patch) | |
| tree | 09245661df75dd89d37cb17df7005bb8d74bea07 /sound | |
| parent | f3da49f055dc55825984c9218fe06b913837cb13 (diff) | |
| download | linux-stable-dc20e5f315e1967f3d1abb4ede8594cf51bdda47.tar.gz linux-stable-dc20e5f315e1967f3d1abb4ede8594cf51bdda47.tar.bz2 linux-stable-dc20e5f315e1967f3d1abb4ede8594cf51bdda47.zip | |
ASoC: SOF: Intel: CNL: add ipc dump function
Add ipc dump function to CNL+ platforms.
Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/intel/cnl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c index 2eac20bbcaea..08a1a3d3c08d 100644 --- a/sound/soc/sof/intel/cnl.c +++ b/sound/soc/sof/intel/cnl.c @@ -158,6 +158,24 @@ static int cnl_ipc_send_msg(struct snd_sof_dev *sdev, return 0; } +static void cnl_ipc_dump(struct snd_sof_dev *sdev) +{ + u32 hipcctl; + u32 hipcida; + u32 hipctdr; + + /* read IPC status */ + hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDA); + hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCCTL); + hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCTDR); + + /* dump the IPC regs */ + /* TODO: parse the raw msg */ + dev_err(sdev->dev, + "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", + hipcida, hipctdr, hipcctl); +} + /* cannonlake ops */ const struct snd_sof_dsp_ops sof_cnl_ops = { /* probe and remove */ @@ -189,6 +207,7 @@ const struct snd_sof_dsp_ops sof_cnl_ops = { .debug_map = cnl_dsp_debugfs, .debug_map_count = ARRAY_SIZE(cnl_dsp_debugfs), .dbg_dump = hda_dsp_dump, + .ipc_dump = cnl_ipc_dump, /* stream callbacks */ .pcm_open = hda_dsp_pcm_open, |