diff --git a/drivers/net/wireless/cnss2/pci.c b/drivers/net/wireless/cnss2/pci.c index 1d4b5b9ea9c9..427b42c871f3 100644 --- a/drivers/net/wireless/cnss2/pci.c +++ b/drivers/net/wireless/cnss2/pci.c @@ -1297,6 +1297,94 @@ int cnss_pm_request_resume(struct cnss_pci_data *pci_priv) return pm_request_resume(&pci_dev->dev); } +#ifdef CONFIG_CNSS_QCA6390 +int cnss_pci_force_wake_request(struct device *dev) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + struct cnss_pci_data *pci_priv = cnss_get_pci_priv(pci_dev); + struct mhi_controller *mhi_ctrl; + + if (!pci_priv) + return -ENODEV; + + if (pci_priv->device_id != QCA6390_DEVICE_ID) + return 0; + + mhi_ctrl = pci_priv->mhi_ctrl; + if (!mhi_ctrl) + return -EINVAL; + + read_lock_bh(&mhi_ctrl->pm_lock); + mhi_ctrl->wake_get(mhi_ctrl, true); + read_unlock_bh(&mhi_ctrl->pm_lock); + + return 0; +} +EXPORT_SYMBOL(cnss_pci_force_wake_request); + +int cnss_pci_is_device_awake(struct device *dev) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + struct cnss_pci_data *pci_priv = cnss_get_pci_priv(pci_dev); + struct mhi_controller *mhi_ctrl; + + if (!pci_priv) + return -ENODEV; + + if (pci_priv->device_id != QCA6390_DEVICE_ID) + return true; + + mhi_ctrl = pci_priv->mhi_ctrl; + if (!mhi_ctrl) + return -EINVAL; + + return mhi_ctrl->dev_state == MHI_STATE_M0 ? true : false; +} +EXPORT_SYMBOL(cnss_pci_is_device_awake); + +int cnss_pci_force_wake_release(struct device *dev) +{ + struct pci_dev *pci_dev = to_pci_dev(dev); + struct cnss_pci_data *pci_priv = cnss_get_pci_priv(pci_dev); + struct mhi_controller *mhi_ctrl; + + if (!pci_priv) + return -ENODEV; + + if (pci_priv->device_id != QCA6390_DEVICE_ID) + return 0; + + mhi_ctrl = pci_priv->mhi_ctrl; + if (!mhi_ctrl) + return -EINVAL; + + read_lock_bh(&mhi_ctrl->pm_lock); + mhi_ctrl->wake_put(mhi_ctrl, false); + read_unlock_bh(&mhi_ctrl->pm_lock); + + return 0; +} +EXPORT_SYMBOL(cnss_pci_force_wake_release); +#else +int cnss_pci_force_wake_request(struct device *dev) +{ + return 0; +} +EXPORT_SYMBOL(cnss_pci_force_wake_request); + +int cnss_pci_is_device_awake(struct device *dev) +{ + return true; +} +EXPORT_SYMBOL(cnss_pci_is_device_awake); + +int cnss_pci_force_wake_release(struct device *dev) +{ + return 0; +} +EXPORT_SYMBOL(cnss_pci_force_wake_release); +#endif + int cnss_pci_alloc_fw_mem(struct cnss_pci_data *pci_priv) { struct cnss_plat_data *plat_priv = pci_priv->plat_priv; diff --git a/include/net/cnss2.h b/include/net/cnss2.h index e06f0b670d90..7ca407f6b606 100644 --- a/include/net/cnss2.h +++ b/include/net/cnss2.h @@ -192,6 +192,9 @@ extern void cnss_lock_pm_sem(struct device *dev); extern void cnss_release_pm_sem(struct device *dev); extern int cnss_auto_suspend(struct device *dev); extern int cnss_auto_resume(struct device *dev); +extern int cnss_pci_force_wake_request(struct device *dev); +extern int cnss_pci_is_device_awake(struct device *dev); +extern int cnss_pci_force_wake_release(struct device *dev); extern int cnss_get_user_msi_assignment(struct device *dev, char *user_name, int *num_vectors, uint32_t *user_base_data,