i386/linux/linux-2.3.21/drivers/sbus/char/pcikbd.h

   1 /* $Id: pcikbd.h,v 1.2 1997/12/25 21:13:14 geert Exp $
   2  * pcikbd.h: PCI/PC 8042 keyboard/mouse driver stuff.  Mostly snarfed
   3  *           from the existing driver by Martin Mares.
   4  *
   5  * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
   6  *
   7  * Ultra/AX specific hacks are:
   8  *
   9  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
  10  */
  11
  12 #ifndef __PCIKBD_H
  13 #define __PCIKBD_H
  14
  15 /*
  16  *      Configuration Switches
  17  */
  18
  19 #define KBD_REPORT_ERR                  /* Report keyboard errors */
  20 #define KBD_REPORT_UNKN                 /* Report unknown scan codes */
  21 #define KBD_REPORT_TIMEOUTS             /* Report keyboard timeouts */
  22
  23 #define KBD_INIT_TIMEOUT HZ             /* Timeout for initializing the keyboard */
  24 #define KBC_TIMEOUT (HZ/4)              /* Timeout for sending to keyboard controller */
  25 #define KBD_TIMEOUT (HZ/4)              /* Timeout for keyboard command acknowledge */
  26
  27 /*
  28  *      Internal variables of the driver
  29  */
  30
  31 extern unsigned char pckbd_read_mask;
  32 extern unsigned char aux_device_present;
  33
  34 extern unsigned long pcikbd_iobase;
  35 extern unsigned int pcikbd_irq;
  36
  37 /*
  38  *      Keyboard Controller Registers
  39  *
  40  * NOTE: These are offsets from pcikbd_iobase, not absolute.
  41  */
  42
  43 #define KBD_STATUS_REG          0x04
  44 #define KBD_CNTL_REG            KBD_STATUS_REG
  45 #define KBD_DATA_REG            0x00
  46
  47 /*
  48  *      Keyboard Controller Commands
  49  */
  50
  51 #define KBD_CCMD_READ_MODE      0x20    /* Read mode bits */
  52 #define KBD_CCMD_WRITE_MODE     0x60    /* Write mode bits */
  53 #define KBD_CCMD_GET_VERSION    0xA1    /* Get controller version */
  54 #define KBD_CCMD_MOUSE_DISABLE  0xA7    /* Disable mouse interface */
  55 #define KBD_CCMD_MOUSE_ENABLE   0xA8    /* Enable mouse interface */
  56 #define KBD_CCMD_TEST_MOUSE     0xA9    /* Mouse interface test */
  57 #define KBD_CCMD_SELF_TEST      0xAA    /* Controller self test */
  58 #define KBD_CCMD_KBD_TEST       0xAB    /* Keyboard interface test */
  59 #define KBD_CCMD_KBD_DISABLE    0xAD    /* Keyboard interface disable */
  60 #define KBD_CCMD_KBD_ENABLE     0xAE    /* Keyboard interface enable */
  61 #define KBD_CCMD_WRITE_MOUSE    0xD4    /* Write the following byte to the mouse */
  62
  63 /*
  64  *      Keyboard Commands
  65  */
  66
  67 #define KBD_CMD_SET_LEDS        0xED    /* Set keyboard leds */
  68 #define KBD_CMD_SET_RATE        0xF3    /* Set typematic rate */
  69 #define KBD_CMD_ENABLE          0xF4    /* Enable scanning */
  70 #define KBD_CMD_DISABLE         0xF5    /* Disable scanning */
  71 #define KBD_CMD_RESET           0xFF    /* Reset */
  72
  73 /*
  74  *      Keyboard Replies
  75  */
  76
  77 #define KBD_REPLY_POR           0xAA    /* Power on reset */
  78 #define KBD_REPLY_ACK           0xFA    /* Command ACK */
  79 #define KBD_REPLY_RESEND        0xFE    /* Command NACK, send the cmd again */
  80
  81 /*
  82  *      Status Register Bits
  83  */
  84
  85 #define KBD_STAT_OBF            0x01    /* Keyboard output buffer full */
  86 #define KBD_STAT_IBF            0x02    /* Keyboard input buffer full */
  87 #define KBD_STAT_SELFTEST       0x04    /* Self test successful */
  88 #define KBD_STAT_CMD            0x08    /* Last write was a command write (0=data) */
  89 #define KBD_STAT_UNLOCKED       0x10    /* Zero if keyboard locked */
  90 #define KBD_STAT_MOUSE_OBF      0x20    /* Mouse output buffer full */
  91 #define KBD_STAT_GTO            0x40    /* General receive/xmit timeout */
  92 #define KBD_STAT_PERR           0x80    /* Parity error */
  93
  94 #define AUX_STAT_OBF (KBD_STAT_OBF | KBD_STAT_MOUSE_OBF)
  95
  96 /*
  97  *      Controller Mode Register Bits
  98  */
  99
 100 #define KBD_MODE_KBD_INT        0x01    /* Keyboard data generage IRQ1 */
 101 #define KBD_MODE_MOUSE_INT      0x02    /* Mouse data generate IRQ12 */
 102 #define KBD_MODE_SYS            0x04    /* The system flag (?) */
 103 #define KBD_MODE_NO_KEYLOCK     0x08    /* The keylock doesn't affect the keyboard if set */
 104 #define KBD_MODE_DISABLE_KBD    0x10    /* Disable keyboard interface */
 105 #define KBD_MODE_DISABLE_MOUSE  0x20    /* Disable mouse interface */
 106 #define KBD_MODE_KCC            0x40    /* Scan code conversion to PC format */
 107 #define KBD_MODE_RFU            0x80
 108
 109 /*
 110  *      Mouse Commands
 111  */
 112
 113 #define AUX_SET_RES             0xE8    /* Set resolution */
 114 #define AUX_SET_SCALE11         0xE6    /* Set 1:1 scaling */
 115 #define AUX_SET_SCALE21         0xE7    /* Set 2:1 scaling */
 116 #define AUX_GET_SCALE           0xE9    /* Get scaling factor */
 117 #define AUX_SET_STREAM          0xEA    /* Set stream mode */
 118 #define AUX_SET_SAMPLE          0xF3    /* Set sample rate */
 119 #define AUX_ENABLE_DEV          0xF4    /* Enable aux device */
 120 #define AUX_DISABLE_DEV         0xF5    /* Disable aux device */
 121 #define AUX_RESET               0xFF    /* Reset aux device */
 122
 123 #endif /* __PCIKBD_H */