AcessNative/acesskernel_src/keyboard.c

   1 /*
   2  * Acess2 Native Kernel
   3  *
   4  * Keyboard Driver
   5  */
   6 #include <acess.h>
   7 #include <modules.h>
   8 #include <fs_devfs.h>
   9 #include <tpl_drv_common.h>
  10 #include <tpl_drv_keyboard.h>
  11 #include "ui.h"
  12
  13 // === PROTOTYPES ===
  14  int    NativeKeyboard_Install(char **Arguments);
  15  int    NativeKeyboard_IOCtl(tVFS_Node *Node, int Id, void *Data);
  16
  17 // === GLOBALS ===
  18 MODULE_DEFINE(0, 0x0100, NativeKeyboard, NativeKeyboard_Install, NULL, NULL);
  19 tDevFS_Driver   gKB_DevInfo = {
  20         NULL, "NativeKeyboard",
  21         {
  22         .NumACLs = 0,
  23         .Size = 0,
  24         .IOCtl = NativeKeyboard_IOCtl
  25         }
  26 };
  27
  28 // === CODE ===
  29 /**
  30  * \brief Install the keyboard driver
  31  */
  32 int NativeKeyboard_Install(char **Arguments)
  33 {
  34         DevFS_AddDevice( &gKB_DevInfo );
  35         return MODULE_ERR_OK;
  36 }
  37
  38 static const char * const csaIOCTL_NAMES[] = {
  39         DRV_IOCTLNAMES,
  40         DRV_KEYBAORD_IOCTLNAMES,
  41         NULL
  42 };
  43
  44 /**
  45  * \fn int KB_IOCtl(tVFS_Node *Node, int Id, void *Data)
  46  * \brief Calls an IOCtl Command
  47  */
  48 int NativeKeyboard_IOCtl(tVFS_Node *Node, int Id, void *Data)
  49 {
  50         switch(Id)
  51         {
  52         BASE_IOCTLS(DRV_TYPE_KEYBOARD, "NativeKeyboard", 0x10000, csaIOCTL_NAMES);
  53
  54         // Sets the Keyboard Callback
  55         case KB_IOCTL_SETCALLBACK:
  56                 // Sanity Check
  57                 if(Threads_GetUID() != 0)
  58                         return 0;
  59                 // Can only be set once
  60                 if(gUI_KeyboardCallback != NULL)        return 0;
  61                 // Set Callback
  62                 gUI_KeyboardCallback = Data;
  63                 return 1;
  64
  65         default:
  66                 return 0;
  67         }
  68 }