diff options
| -rw-r--r-- | core/pld/inc/pld_common.h | 10 | ||||
| -rw-r--r-- | core/pld/src/pld_pcie.c | 52 |
2 files changed, 62 insertions, 0 deletions
diff --git a/core/pld/inc/pld_common.h b/core/pld/inc/pld_common.h index 8f009c43441c..53f25b4394a1 100644 --- a/core/pld/inc/pld_common.h +++ b/core/pld/inc/pld_common.h @@ -268,6 +268,12 @@ struct pld_soc_info { * is enabled * @modem_status: optional operation, will be called when platform driver * sending modem power status to WLAN FW + * @runtime_suspend: optional operation, prepare the device for a condition + * in which it won't be able to communicate with the CPU(s) + * and RAM due to power management. + * @runtime_resume: optional operation, put the device into the fully + * active state in response to a wakeup event generated by + * hardware or at the request of software. */ struct pld_driver_ops { int (*probe)(struct device *dev, @@ -290,6 +296,10 @@ struct pld_driver_ops { void (*modem_status)(struct device *dev, enum pld_bus_type bus_type, int state); + int (*runtime_suspend)(struct device *dev, + enum pld_bus_type bus_type); + int (*runtime_resume)(struct device *dev, + enum pld_bus_type bus_type); }; int pld_init(void); diff --git a/core/pld/src/pld_pcie.c b/core/pld/src/pld_pcie.c index ca7778059b55..ab3cbd1e52eb 100644 --- a/core/pld/src/pld_pcie.c +++ b/core/pld/src/pld_pcie.c @@ -198,6 +198,48 @@ static void pld_pcie_notify_handler(struct pci_dev *pdev, int state) pld_context->ops->modem_status(&pdev->dev, PLD_BUS_TYPE_PCIE, state); } + +#ifdef FEATURE_RUNTIME_PM +/** + * pld_pcie_runtime_suspend() - PM runtime suspend + * @pdev: PCIE device + * + * PM runtime suspend callback function. + * + * Return: int + */ +static int pld_pcie_runtime_suspend(struct pci_dev *pdev) +{ + struct pld_context *pld_context; + + pld_context = pld_get_global_context(); + if (pld_context->ops->runtime_suspend) + return pld_context->ops->runtime_suspend(&pdev->dev, + PLD_BUS_TYPE_PCIE); + + return -ENODEV; +} + +/** + * pld_pcie_runtime_resume() - PM runtime resume + * @pdev: PCIE device + * + * PM runtime resume callback function. + * + * Return: int + */ +static int pld_pcie_runtime_resume(struct pci_dev *pdev) +{ + struct pld_context *pld_context; + + pld_context = pld_get_global_context(); + if (pld_context->ops->runtime_resume) + return pld_context->ops->runtime_resume(&pdev->dev, + PLD_BUS_TYPE_PCIE); + + return -ENODEV; +} +#endif #endif /** @@ -246,6 +288,13 @@ static struct pci_device_id pld_pcie_id_table[] = { }; #ifdef CONFIG_CNSS +#ifdef FEATURE_RUNTIME_PM +struct cnss_wlan_runtime_ops runtime_pm_ops = { + .runtime_suspend = pld_pcie_runtime_suspend, + .runtime_resume = pld_pcie_runtime_resume, +}; +#endif + struct cnss_wlan_driver pld_pcie_ops = { .name = "pld_pcie", .id_table = pld_pcie_id_table, @@ -259,6 +308,9 @@ struct cnss_wlan_driver pld_pcie_ops = { .suspend = pld_pcie_suspend, .resume = pld_pcie_resume, #endif +#ifdef FEATURE_RUNTIME_PM + .runtime_ops = &runtime_pm_ops, +#endif }; /** |