resources/pci.h

   1 /* Quarn OS
   2  *
   3  * PCI bus
   4  *
   5  * Copyright (C) 2008-2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #include "bus.h"
  24 #include "arch/low/pci.h"
  25 #include "did.h"
  26
  27 namespace resources {
  28         class pci : public bus {
  29         private:
  30                 int dev_count;
  31
  32                 static const struct vendors_name {
  33                         u16 id;
  34                         const char *name;
  35                 } vendors[];
  36
  37         protected:
  38                 u32 get_pci_name(arch::pci_address);
  39
  40                 int scan_bus();
  41
  42         public:
  43                 bool initialize();
  44                 bool type_added(manes::type_name);
  45
  46                 int get_count();
  47
  48                 string get_name(arch::pci_address);
  49
  50                 static void register_type();
  51         };
  52
  53         class pci_did : public did {
  54         public:
  55                 int irq;
  56                 int ioport;
  57                 int dma_channel;
  58                 void *memory_base;
  59                 int bus, device, function;
  60
  61                 pci_did(bus *b) : did(b) {}
  62                 pci_did() {}
  63                 virtual ~pci_did() {}
  64         };
  65 }