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Signed-off-by: Vijendar Mukunda Reviewed-by: Bard Liao --- sound/soc/sof/amd/acp.c | 71 +++++++++++++++++++++++++++++++++++++++ sound/soc/sof/amd/acp.h | 4 +++ sound/soc/sof/amd/acp7x.c | 5 +++ 3 files changed, 80 insertions(+) diff --git a/sound/soc/sof/amd/acp.c b/sound/soc/sof/amd/acp.c index c2143821fb83..f89ad86260b4 100644 --- a/sound/soc/sof/amd/acp.c +++ b/sound/soc/sof/amd/acp.c @@ -1178,6 +1178,77 @@ void amd_sof_acp7x_remove(struct snd_sof_dev *sdev) } EXPORT_SYMBOL_NS(amd_sof_acp7x_remove, "SND_SOC_SOF_AMD_COMMON"); +int amd_sof_acp7x_suspend(struct snd_sof_dev *sdev, u32 target_state) +{ + struct acp_dev_data *acp_data; + int ret; + bool enable = false; + + acp_data = sdev->pdata->hw_pdata; + + ret = acp_reset(sdev); + if (ret) { + dev_err(sdev->dev, "ACP Reset failed\n"); + return ret; + } + switch (acp_data->pci_rev) { + case ACP7B_PCI_ID: + case ACP7F_PCI_ID: + enable = true; + break; + default: + break; + } + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP_CONTROL, enable); + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP7X_ZSC_DSP_CTRL, 1); + + return 0; +} +EXPORT_SYMBOL_NS(amd_sof_acp7x_suspend, "SND_SOC_SOF_AMD_COMMON"); + +int amd_sof_acp7x_resume(struct snd_sof_dev *sdev) +{ + struct acp_dev_data *acp_data; + int ret; + + acp_data = sdev->pdata->hw_pdata; + + ret = acp_init(sdev); + if (ret) { + dev_err(sdev->dev, "ACP Init failed\n"); + return ret; + } + ret = acp_memory_init(sdev); + if (ret) { + dev_err(sdev->dev, "ACP Memory init failed\n"); + return ret; + } + + switch (acp_data->pci_rev) { + case ACP7B_PCI_ID: + case ACP7F_PCI_ID: + snd_sof_dsp_write(sdev, ACP_DSP_BAR, ACP7X_PME_EN, 1); + break; + default: + break; + } + + return 0; +} +EXPORT_SYMBOL_NS(amd_sof_acp7x_resume, "SND_SOC_SOF_AMD_COMMON"); + +int amd_sof_acp7x_suspend_runtime(struct snd_sof_dev *sdev) +{ + return amd_sof_acp7x_suspend(sdev, 0); +} +EXPORT_SYMBOL_NS(amd_sof_acp7x_suspend_runtime, "SND_SOC_SOF_AMD_COMMON"); + +int amd_sof_acp7x_resume_runtime(struct snd_sof_dev *sdev) +{ + return amd_sof_acp7x_resume(sdev); +} +EXPORT_SYMBOL_NS(amd_sof_acp7x_resume_runtime, "SND_SOC_SOF_AMD_COMMON"); + MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("AMD ACP sof driver"); MODULE_IMPORT_NS("SOUNDWIRE_AMD_INIT"); diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h index c2f3add05d0c..16d66b2eaa70 100644 --- a/sound/soc/sof/amd/acp.h +++ b/sound/soc/sof/amd/acp.h @@ -359,6 +359,10 @@ int sof_acp7x_ops_init(struct snd_sof_dev *sdev); int amd_sof_acp7x_probe(struct snd_sof_dev *sdev); void amd_sof_acp7x_remove(struct snd_sof_dev *sdev); +int amd_sof_acp7x_suspend(struct snd_sof_dev *sdev, u32 target_state); +int amd_sof_acp7x_resume(struct snd_sof_dev *sdev); +int amd_sof_acp7x_suspend_runtime(struct snd_sof_dev *sdev); +int amd_sof_acp7x_resume_runtime(struct snd_sof_dev *sdev); struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev); /* Machine configuration */ diff --git a/sound/soc/sof/amd/acp7x.c b/sound/soc/sof/amd/acp7x.c index 94b7ea08b309..b6722d11168c 100644 --- a/sound/soc/sof/amd/acp7x.c +++ b/sound/soc/sof/amd/acp7x.c @@ -176,5 +176,10 @@ int sof_acp7x_ops_init(struct snd_sof_dev *sdev) if (acp_sof_post_fw_run_delay) sof_acp7x_ops.post_fw_run = sof_acp7x_post_fw_run_delay; + sof_acp7x_ops.suspend = amd_sof_acp7x_suspend; + sof_acp7x_ops.resume = amd_sof_acp7x_resume; + sof_acp7x_ops.runtime_suspend = amd_sof_acp7x_suspend_runtime; + sof_acp7x_ops.runtime_resume = amd_sof_acp7x_resume_runtime; + return 0; } -- 2.45.2