resources/uhci.cpp

   1 /* Quarn OS
   2  *
   3  * UHCI driver
   4  *
   5  * Copyright (C) 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 "pci.h"
  24 #include "usb.h"
  25
  26 #include "manes/manec.h"
  27 #include "manes/cds/root.h"
  28
  29 using namespace resources;
  30
  31 void uhci_init(pci_did pciaddr);
  32
  33
  34 int uhci_count = 0;
  35
  36 bool uhci::init_device(p<did> id) {
  37         p<pci_did> pid = id.cast<pci_did>();
  38
  39         if (!pid.valid())
  40                 return false;
  41
  42         pciid = *pid;
  43
  44         uhci_count++;
  45         init();
  46
  47         manes::manec::get()->get_root()->new_component(manes::cds::component_name::from_path("/type,usb")).cast<bus>()->init_bus(this);
  48
  49         return true;
  50 }
  51
  52
  53 bool uhci::check_device(p<did> id) {
  54         p<pci_did> pid = id.cast<pci_did>();
  55
  56         if (!pid.valid())
  57                 return false;
  58
  59         int devclass = pid->get_bus().cast<pci>()->get_devclass(id);
  60         if (devclass != 0x0c0300)
  61                 return false;
  62
  63         return true;
  64 }
  65
  66 void uhci::register_type() {
  67         delegate<bool, p<did> > chk;
  68         chk.function(&uhci::check_device);
  69         manes::manec::get()->register_driver<uhci>("uhci", "pci", chk);
  70 }