diff options
| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2023-04-04 12:21:08 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-04 12:42:36 +0100 |
| commit | 1f7b5d52be130e16fda60be446b30136698738c6 (patch) | |
| tree | 6a418d41d6a9ec608e3456bbc313bd00008e55b4 /sound/soc/sof/intel/hda.c | |
| parent | 4a3b1433a8d384ff8d668b4f8665d6c67dbb30d3 (diff) | |
| download | linux-1f7b5d52be130e16fda60be446b30136698738c6.tar.gz linux-1f7b5d52be130e16fda60be446b30136698738c6.tar.bz2 linux-1f7b5d52be130e16fda60be446b30136698738c6.zip | |
ASoC: SOF: Intel: hda: Add support for DSPless mode
Via the SOF_DBG_DSPLESS_MODE sof_debug flag the SOF stack can be asked to
not use the DSP for audio.
The use of DSPless mode is governed by the sdev->dspless_mode_selected
flag which is only going to be set if the user sets sof_debug=0x8000 and
the platform advertises that the DSPless mode is supported on them.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20230404092115.27949-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda.c')
| -rw-r--r-- | sound/soc/sof/intel/hda.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 19aad4141a78..a14733aa7a60 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -47,32 +47,34 @@ static u32 hda_get_interface_mask(struct snd_sof_dev *sdev) { const struct sof_intel_dsp_desc *chip; - u32 interface_mask = 0; + u32 interface_mask[2] = { 0 }; chip = get_chip_info(sdev->pdata); switch (chip->hw_ip_version) { case SOF_INTEL_TANGIER: case SOF_INTEL_BAYTRAIL: case SOF_INTEL_BROADWELL: - interface_mask = BIT(SOF_DAI_INTEL_SSP); + interface_mask[0] = BIT(SOF_DAI_INTEL_SSP); break; case SOF_INTEL_CAVS_1_5: case SOF_INTEL_CAVS_1_5_PLUS: - interface_mask = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) | - BIT(SOF_DAI_INTEL_HDA); + interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) | + BIT(SOF_DAI_INTEL_HDA); + interface_mask[1] = BIT(SOF_DAI_INTEL_HDA); break; case SOF_INTEL_CAVS_1_8: case SOF_INTEL_CAVS_2_0: case SOF_INTEL_CAVS_2_5: case SOF_INTEL_ACE_1_0: - interface_mask = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) | - BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH); + interface_mask[0] = BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) | + BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH); + interface_mask[1] = BIT(SOF_DAI_INTEL_HDA); break; default: break; } - return interface_mask; + return interface_mask[sdev->dspless_mode_selected]; } #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) @@ -1058,6 +1060,9 @@ int hda_dsp_probe(struct snd_sof_dev *sdev) hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; #endif + if (sdev->dspless_mode_selected) + hdev->no_ipc_position = 1; + /* set up HDA base */ bus = sof_to_bus(sdev); ret = hda_init(sdev); |