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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright (c) 2019 Google, Inc
- */
- #ifndef __DM_PCI_H
- #define __DM_PCI_H
- struct udevice;
- /**
- * pci_get_devfn() - Extract the devfn from fdt_pci_addr of the device
- *
- * Get devfn from fdt_pci_addr of the specified device
- *
- * This returns an int to avoid a dependency on pci.h
- *
- * @dev: PCI device
- * @return devfn in bits 15...8 if found (pci_dev_t format), or -ENODEV if not
- * found
- */
- int pci_get_devfn(struct udevice *dev);
- /**
- * pci_ofplat_get_devfn() - Get the PCI dev/fn from of-platdata
- *
- * This function is used to obtain a PCI device/function from of-platdata
- * register data. In this case the first cell of the 'reg' property contains
- * the required information.
- *
- * This returns an int to avoid a dependency on pci.h
- *
- * @reg: reg value from dt-plat.c array (first member). This is not a
- * pointer type, since the caller may use fdt32_t or fdt64_t depending on
- * the address sizes.
- * @return device/function for that device (pci_dev_t format)
- */
- static inline int pci_ofplat_get_devfn(u32 reg)
- {
- return reg & 0xff00;
- }
- #endif
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