drivers/adb_mouse.c

   1 /*
   2  *
   3  * Open Hack'Ware BIOS ADB mouse support, ported to OpenBIOS
   4  *
   5  *  Copyright (c) 2005 Jocelyn Mayer
   6  *  Copyright (c) 2005 Stefan Reinauer
   7  *
   8  *   This program is free software; you can redistribute it and/or
   9  *   modify it under the terms of the GNU General Public License V2
  10  *   as published by the Free Software Foundation
  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
  18  *   along with this program; if not, write to the Free Software
  19  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
  20  */
  21
  22 #include "config.h"
  23 #include "libopenbios/bindings.h"
  24 #include "libc/byteorder.h"
  25 #include "libc/vsprintf.h"
  26
  27 #include "adb_bus.h"
  28 #include "adb_mouse.h"
  29
  30 DECLARE_UNNAMED_NODE( mouse, INSTALL_OPEN, sizeof(int));
  31
  32 static void
  33 mouse_open(int *idx)
  34 {
  35         RET(-1);
  36 }
  37
  38 static void
  39 mouse_close(int *idx)
  40 {
  41 }
  42
  43 NODE_METHODS( mouse ) = {
  44         { "open",               mouse_open              },
  45         { "close",              mouse_close             },
  46 };
  47
  48 void adb_mouse_new (char *path, void *private)
  49 {
  50         char buf[64];
  51         int props[1];
  52         phandle_t ph, aliases;
  53         adb_dev_t *dev = private;
  54
  55         snprintf(buf, sizeof(buf), "%s/mouse", path);
  56         REGISTER_NAMED_NODE( mouse, buf);
  57
  58         ph = find_dev(buf);
  59
  60         set_property(ph, "device_type", "mouse", 6);
  61         props[0] = __cpu_to_be32(dev->addr);
  62         set_property(ph, "reg", (char *)&props, sizeof(props));
  63         set_int_property(ph, "#buttons", 3);
  64
  65         aliases = find_dev("/aliases");
  66         set_property(aliases, "adb-mouse", buf, strlen(buf) + 1);
  67 }