diff options
| -rw-r--r-- | sound/soc/amd/renoir/rn-pci-acp3x.c | 46 | ||||
| -rw-r--r-- | sound/soc/amd/renoir/rn_acp3x.h | 2 |
2 files changed, 48 insertions, 0 deletions
diff --git a/sound/soc/amd/renoir/rn-pci-acp3x.c b/sound/soc/amd/renoir/rn-pci-acp3x.c index 362409ef0d85..71bfae644372 100644 --- a/sound/soc/amd/renoir/rn-pci-acp3x.c +++ b/sound/soc/amd/renoir/rn-pci-acp3x.c @@ -10,6 +10,7 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/interrupt.h> +#include <linux/pm_runtime.h> #include "rn_acp3x.h" @@ -233,6 +234,10 @@ static int snd_rn_acp_probe(struct pci_dev *pci, ret = PTR_ERR(adata->pdev); goto unregister_devs; } + pm_runtime_set_autosuspend_delay(&pci->dev, ACP_SUSPEND_DELAY_MS); + pm_runtime_use_autosuspend(&pci->dev); + pm_runtime_put_noidle(&pci->dev); + pm_runtime_allow(&pci->dev); return 0; unregister_devs: @@ -250,6 +255,42 @@ disable_pci: return ret; } +static int snd_rn_acp_suspend(struct device *dev) +{ + int ret; + struct acp_dev_data *adata; + + adata = dev_get_drvdata(dev); + ret = rn_acp_deinit(adata->acp_base); + if (ret) + dev_err(dev, "ACP de-init failed\n"); + else + dev_dbg(dev, "ACP de-initialized\n"); + + return 0; +} + +static int snd_rn_acp_resume(struct device *dev) +{ + int ret; + struct acp_dev_data *adata; + + adata = dev_get_drvdata(dev); + ret = rn_acp_init(adata->acp_base); + if (ret) { + dev_err(dev, "ACP init failed\n"); + return ret; + } + return 0; +} + +static const struct dev_pm_ops rn_acp_pm = { + .runtime_suspend = snd_rn_acp_suspend, + .runtime_resume = snd_rn_acp_resume, + .suspend = snd_rn_acp_suspend, + .resume = snd_rn_acp_resume, +}; + static void snd_rn_acp_remove(struct pci_dev *pci) { struct acp_dev_data *adata; @@ -260,6 +301,8 @@ static void snd_rn_acp_remove(struct pci_dev *pci) ret = rn_acp_deinit(adata->acp_base); if (ret) dev_err(&pci->dev, "ACP de-init failed\n"); + pm_runtime_forbid(&pci->dev); + pm_runtime_get_noresume(&pci->dev); pci_disable_msi(pci); pci_release_regions(pci); pci_disable_device(pci); @@ -278,6 +321,9 @@ static struct pci_driver rn_acp_driver = { .id_table = snd_rn_acp_ids, .probe = snd_rn_acp_probe, .remove = snd_rn_acp_remove, + .driver = { + .pm = &rn_acp_pm, + } }; module_pci_driver(rn_acp_driver); diff --git a/sound/soc/amd/renoir/rn_acp3x.h b/sound/soc/amd/renoir/rn_acp3x.h index a4f654cf2df0..6e1888167fb3 100644 --- a/sound/soc/amd/renoir/rn_acp3x.h +++ b/sound/soc/amd/renoir/rn_acp3x.h @@ -40,6 +40,8 @@ #define TWO_CH 0x02 #define DELAY_US 5 #define ACP_COUNTER 20000 +/* time in ms for runtime suspend delay */ +#define ACP_SUSPEND_DELAY_MS 2000 #define ACP_SRAM_PTE_OFFSET 0x02050000 #define PAGE_SIZE_4K_ENABLE 0x2 |