diff options
| -rw-r--r-- | src/device/pci_device.c | 18 | ||||
| -rw-r--r-- | src/device/pci_ops.c | 18 | ||||
| -rw-r--r-- | src/include/device/pci.h | 9 | ||||
| -rw-r--r-- | src/include/device/pci_ops.h | 8 |
4 files changed, 26 insertions, 27 deletions
diff --git a/src/device/pci_device.c b/src/device/pci_device.c index 691ad6b316..6075ebeac7 100644 --- a/src/device/pci_device.c +++ b/src/device/pci_device.c @@ -1648,21 +1648,3 @@ void pci_dev_disable_bus_master(const struct device *dev) pci_update_config16(dev, PCI_COMMAND, ~PCI_COMMAND_MASTER, 0x0); } #endif - -bool pci_dev_is_wake_source(const struct device *dev) -{ - unsigned int pm_cap; - uint16_t pmcs; - - if (dev->path.type != DEVICE_PATH_PCI) - return false; - - pm_cap = pci_find_capability(dev, PCI_CAP_ID_PM); - if (!pm_cap) - return false; - - pmcs = pci_read_config16(dev, pm_cap + PCI_PM_CTRL); - - /* PCI Device is a wake source if PME_ENABLE and PME_STATUS are set in PMCS register. */ - return (pmcs & PCI_PM_CTRL_PME_ENABLE) && (pmcs & PCI_PM_CTRL_PME_STATUS); -} diff --git a/src/device/pci_ops.c b/src/device/pci_ops.c index 90f45bf21a..aaa9f95fb1 100644 --- a/src/device/pci_ops.c +++ b/src/device/pci_ops.c @@ -78,3 +78,21 @@ void __noreturn pcidev_die(void) { die("PCI: dev is NULL!\n"); } + +bool pci_dev_is_wake_source(const struct device *dev) +{ + unsigned int pm_cap; + uint16_t pmcs; + + if (dev->path.type != DEVICE_PATH_PCI) + return false; + + pm_cap = pci_find_capability(dev, PCI_CAP_ID_PM); + if (!pm_cap) + return false; + + pmcs = pci_s_read_config16(PCI_BDF(dev), pm_cap + PCI_PM_CTRL); + + /* PCI Device is a wake source if PME_ENABLE and PME_STATUS are set in PMCS register. */ + return (pmcs & PCI_PM_CTRL_PME_ENABLE) && (pmcs & PCI_PM_CTRL_PME_STATUS); +} diff --git a/src/include/device/pci.h b/src/include/device/pci.h index 777f030355..045eec1aa6 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -79,15 +79,6 @@ void pci_bus_enable_resources(struct device *dev); void pci_bus_reset(struct bus *bus); struct device *pci_probe_dev(struct device *dev, struct bus *bus, unsigned int devfn); - -/* - * Determine if the given PCI device is the source of wake from sleep by checking PME_STATUS and - * PME_ENABLE bits in PM control and status register. - * - * Returns true if PCI device is wake source, false otherwise. - */ -bool pci_dev_is_wake_source(const struct device *dev); - void do_pci_scan_bridge(struct device *dev, void (*do_scan_bus)(struct bus *bus, unsigned int min_devfn, unsigned int max_devfn)); diff --git a/src/include/device/pci_ops.h b/src/include/device/pci_ops.h index cdf02d6a56..7fe7d429e2 100644 --- a/src/include/device/pci_ops.h +++ b/src/include/device/pci_ops.h @@ -209,4 +209,12 @@ u16 pci_find_capability(const struct device *dev, u16 cap) return pci_s_find_capability(PCI_BDF(dev), cap); } +/* + * Determine if the given PCI device is the source of wake from sleep by checking PME_STATUS and + * PME_ENABLE bits in PM control and status register. + * + * Returns true if PCI device is wake source, false otherwise. + */ +bool pci_dev_is_wake_source(const struct device *dev); + #endif /* PCI_OPS_H */ |