util/vgabios/pci-userspace.h

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