diff options
Diffstat (limited to 'sound/soc/sof/amd/acp.c')
| -rw-r--r-- | sound/soc/sof/amd/acp.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index 0c272573df97..c40d2900dd36 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -413,10 +413,46 @@ static int acp_init(struct snd_sof_dev *sdev) dev_err(sdev->dev, "ACP power on failed\n"); return ret; } + + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x01); /* Reset */ return acp_reset(sdev); } +int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state) +{ + int ret; + + ret = acp_reset(sdev); + if (ret) { + dev_err(sdev->dev, "ACP Reset failed\n"); + return ret; + } + + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, 0x00); + + return 0; +} +EXPORT_SYMBOL_NS(amd_sof_acp_suspend, SND_SOC_SOF_AMD_COMMON); + +int amd_sof_acp_resume(struct snd_sof_dev *sdev) +{ + int ret; + + ret = acp_init(sdev); + if (ret) { + dev_err(sdev->dev, "ACP Init failed\n"); + return ret; + } + + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CLKMUX_SEL, 0x03); + + ret = acp_memory_init(sdev); + + return ret; +} +EXPORT_SYMBOL_NS(amd_sof_acp_resume, SND_SOC_SOF_AMD_COMMON); + int amd_sof_acp_probe(struct snd_sof_dev *sdev) { struct pci_dev *pci = to_pci_dev(sdev->dev); |