Unverified Commit cc489cce authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
Browse files

ASoC: SOF: amd: enable ACP_PME_EN register for ACP7.0 & ACP7.1 platforms 



As per design flow for ACP7.0 & ACP7.1 platforms, enable ACP_PME_EN
register for below scenarios.
1. During acp init sequence
2. During resume sequence for SoundWire ClockStop power mode.

Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250502154445.3008598-6-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8cc69ecb

sound/soc/sof/amd/acp-dsp-offset.h

+1 −0
Original line number Diff line number Diff line
@@ -130,4 +130,5 @@ 


#define ACP_SW0_EN				0x3000

#define ACP_SW1_EN				0x3C00

#define ACP70_PME_EN				0x1400

#endif

sound/soc/sof/amd/acp.c

+18 −1
Original line number Diff line number Diff line
@@ -570,9 +570,11 @@ static int acp_dsp_reset(struct snd_sof_dev *sdev) 


static int acp_init(struct snd_sof_dev *sdev)

{

	struct acp_dev_data *acp_data;

	int ret;



	/* power on */

	acp_data = sdev->pdata->hw_pdata;

	ret = acp_power_on(sdev);

	if (ret) {

		dev_err(sdev->dev, "ACP power on failed\n");
@@ -581,7 +583,16 @@ static int acp_init(struct snd_sof_dev *sdev) 


	snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x01);

	/* Reset */

	return acp_reset(sdev);

	ret = acp_reset(sdev);

	if (ret)

		return ret;

	switch (acp_data->pci_rev) {

	case ACP70_PCI_ID:

	case ACP71_PCI_ID:

		snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP70_PME_EN, 1);

		break;

	}

	return 0;

}



static bool check_acp_sdw_enable_status(struct snd_sof_dev *sdev)
@@ -646,6 +657,12 @@ int amd_sof_acp_resume(struct snd_sof_dev *sdev) 
		}

		return acp_memory_init(sdev);

	}

	switch (acp_data->pci_rev) {

	case ACP70_PCI_ID:

	case ACP71_PCI_ID:

		snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP70_PME_EN, 1);

		break;

	}



	return acp_dsp_reset(sdev);

}