src/add-ons/kernel/drivers/graphics/radeon_hd/driver.h

   1 /*
   2  * Copyright 2006-2009, Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Axel Dörfler, axeld@pinc-software.de
   7  */
   8 #ifndef DRIVER_H
   9 #define DRIVER_H
  10
  11
  12 #include <KernelExport.h>
  13 #include <PCI.h>
  14
  15
  16 #include <kernel/lock.h>
  17
  18
  19 #include "radeon_hd.h"
  20 #include "radeon_hd_private.h"
  21
  22
  23 // PCI Communications
  24
  25 #define read8(address)                  (*((volatile uint8*)(address)))
  26 #define read16(address)                 (*((volatile uint16*)(address)))
  27 #define read32(address)                 (*((volatile uint32*)(address)))
  28 #define write8(address, data)   (*((volatile uint8*)(address)) = (data))
  29 #define write16(address, data)  (*((volatile uint16*)(address)) = (data))
  30 #define write32(address, data)  (*((volatile uint32*)(address)) = (data))
  31
  32
  33 extern char* gDeviceNames[];
  34 extern radeon_info* gDeviceInfo[];
  35 extern pci_module_info* gPCI;
  36 extern mutex gLock;
  37
  38
  39 static inline uint32
  40 get_pci_config(pci_info* info, uint8 offset, uint8 size)
  41 {
  42         return gPCI->read_pci_config(info->bus, info->device, info->function,
  43                 offset, size);
  44 }
  45
  46
  47 static inline void
  48 set_pci_config(pci_info* info, uint8 offset, uint8 size, uint32 value)
  49 {
  50         gPCI->write_pci_config(info->bus, info->device, info->function, offset,
  51                 size, value);
  52 }
  53
  54
  55 #endif  /* DRIVER_H */
  56