mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-10 10:20:17 -04:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250502154445.3008598-6-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda
2025-05-02 21:12:44 +05:30
committed by Mark Brown
parent 8cc69ecbf1
commit cc489cced1
2 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
sound/soc/sof/amd/acp-dsp-offset.h
View File

@@ -130,4 +130,5 @@
#define ACP_SW0_EN 0x3000
#define ACP_SW1_EN 0x3C00
#define ACP70_PME_EN 0x1400
#endif

19
sound/soc/sof/amd/acp.c
View File

@@ -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);
}