util/vgabios/pci-userspace.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2016 Google Inc
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef __PCI_USERSPACE_H__
  17 #define __PCI_USERSPACE_H__
  18
  19 struct device {
  20         int busno;
  21         int slot;
  22         int func;
  23 };
  24
  25 int pci_initialize(void);
  26 int pci_exit(void);
  27
  28 u8 pci_read_config8(struct device *dev, unsigned int where);
  29 u16 pci_read_config16(struct device *dev, unsigned int where);
  30 u32 pci_read_config32(struct device *dev, unsigned int where);
  31 void pci_write_config8(struct device *dev, unsigned int where, u8 val);
  32 void pci_write_config16(struct device *dev, unsigned int where, u16 val);
  33 void pci_write_config32(struct device *dev, unsigned int where, u32 val);
  34
  35 #endif