arch/i386-pc/drivers/keyboard/kbd.h

   1 #ifndef HIDD_KBD_H
   2 #define HIDD_KBD_H
   3
   4 /*
   5     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Include for the kbd HIDD.
   9     Lang: English.
  10 */
  11
  12 #ifndef EXEC_LIBRARIES_H
  13 #   include <exec/libraries.h>
  14 #endif
  15
  16 #ifndef OOP_OOP_H
  17 #   include <oop/oop.h>
  18 #endif
  19
  20 #ifndef EXEC_SEMAPHORES_H
  21 #   include <exec/semaphores.h>
  22 #endif
  23
  24 #include <exec/interrupts.h>
  25 #include <dos/bptr.h>
  26 /****************************************************************************************/
  27
  28 #define KBD_STATUS_OBF                  0x01    /* keyboard output buffer full */
  29 #define KBD_STATUS_IBF                  0x02    /* keyboard input buffer full */
  30 #define KBD_STATUS_MOUSE_OBF            0x20    /* Mouse output buffer full */
  31 #define KBD_STATUS_GTO                  0x40    /* General receive/xmit timeout */
  32 #define KBD_STATUS_PERR                 0x80    /* Parity error */
  33
  34 #define KBD_CTRLCMD_READ_MODE           0x20
  35 #define KBD_CTRLCMD_WRITE_MODE          0x60
  36 #define KBD_CTRLCMD_GET_VERSION         0xA1
  37 #define KBD_CTRLCMD_MOUSE_DISABLE       0xA7
  38 #define KBD_CTRLCMD_MOUSE_ENABLE        0xA8
  39 #define KBD_CTRLCMD_TEST_MOUSE          0xA9
  40 #define KBD_CTRLCMD_SELF_TEST           0xAA
  41 #define KBD_CTRLCMD_KBD_TEST            0xAB
  42 #define KBD_CTRLCMD_KBD_DISABLE         0xAD
  43 #define KBD_CTRLCMD_KBD_ENABLE          0xAE
  44 #define KBD_CTRLCMD_WRITE_AUX_OBFU      0xD3
  45 #define KBD_CTRLCMD_WRITE_MOUSE         0xD4
  46
  47 #define KBD_OUTCMD_SET_LEDS             0xED
  48 #define KBD_OUTCMD_SET_RATE             0xF3
  49 #define KBD_OUTCMD_ENABLE               0xF4
  50 #define KBD_OUTCMD_DISABLE              0xF5
  51 #define KBD_OUTCMD_RESET                0xFF
  52
  53 #define KBD_STATUS_REG                  0x64
  54 #define KBD_CONTROL_REG                 0x64
  55 #define KBD_DATA_REG                    0x60
  56
  57 #define KBD_REPLY_POR                   0xAA    /* Power on reset */
  58 #define KBD_REPLY_ACK                   0xFA    /* Command ACK */
  59 #define KBD_REPLY_RESEND                0xFE    /* Command NACK, send the cmd again */
  60
  61 #define KBD_MODE_KBD_INT                0x01    /* Keyboard data generate IRQ1 */
  62 #define KBD_MODE_MOUSE_INT              0x02    /* Mouse data generate IRQ12 */
  63 #define KBD_MODE_SYS                    0x04    /* The system flag (?) */
  64 #define KBD_MODE_NO_KEYLOCK             0x08    /* The keylock doesn't affect the keyboard if set */
  65 #define KBD_MODE_DISABLE_KBD            0x10    /* Disable keyboard interface */
  66 #define KBD_MODE_DISABLE_MOUSE          0x20    /* Disable mouse interface */
  67 #define KBD_MODE_KCC                    0x40    /* Scan code conversion to PC format */
  68 #define KBD_MODE_RFU                    0x80
  69
  70 /****************************************************************************************/
  71
  72 static inline unsigned char inb(unsigned short port)
  73 {
  74
  75     unsigned char  _v;
  76
  77     __asm__ __volatile__
  78     ("inb %w1,%0"
  79      : "=a" (_v)
  80      : "Nd" (port)
  81     );
  82
  83     return _v;
  84 }
  85
  86 /****************************************************************************************/
  87
  88 static inline void outb(unsigned char value, unsigned short port)
  89 {
  90     __asm__ __volatile__
  91     ("outb %b0,%w1"
  92      :
  93      : "a" (value), "Nd" (port)
  94     );
  95 }
  96
  97 /****************************************************************************************/
  98
  99 #define kbd_read_input()        inb(KBD_DATA_REG)
 100 #define kbd_read_status()       inb(KBD_STATUS_REG)
 101 #define kbd_write_output(val)   outb(val, KBD_DATA_REG)
 102 #define kbd_write_command(val)  outb(val, KBD_CONTROL_REG)
 103
 104 /****************************************************************************************/
 105
 106 /***** Kbd HIDD *******************/
 107
 108 /* IDs */
 109 #define IID_Hidd_HwKbd          "hidd.kbd.hw"
 110 #define CLID_Hidd_HwKbd         "hidd.kbd.hw"
 111
 112 /* misc */
 113
 114 struct abdescr
 115 {
 116     STRPTR                      interfaceid;
 117     OOP_AttrBase                *attrbase;
 118 };
 119
 120 struct kbd_staticdata
 121 {
 122     struct SignalSemaphore      sema; /* Protexting this whole struct */
 123
 124     OOP_Class                   *kbdclass;
 125
 126     OOP_Object                  *kbdhidd;
 127
 128     OOP_AttrBase        hiddKbdAB;
 129     struct Interrupt    irq;
 130
 131     BPTR                cs_SegList;
 132     struct Library     *cs_OOPBase;
 133 };
 134
 135 struct kbdbase
 136 {
 137     struct Library library;
 138
 139     struct kbd_staticdata ksd;
 140 };
 141
 142 struct kbd_data
 143 {
 144     VOID    (*kbd_callback)(APTR, UWORD);
 145     APTR    callbackdata;
 146
 147     ULONG   kbd_keystate;
 148     WORD    prev_amigacode;
 149     UWORD   prev_keycode;
 150 };
 151
 152 /****************************************************************************************/
 153
 154 BOOL obtainattrbases(struct abdescr *abd, struct Library *OOPBase);
 155 VOID releaseattrbases(struct abdescr *abd, struct Library *OOPBase);
 156
 157 /****************************************************************************************/
 158
 159 #define XSD(cl)         (&((struct kbdbase *)cl->UserData)->ksd)
 160
 161 /****************************************************************************************/
 162
 163 #endif /* HIDD_KBD_H */