drivers/char/lcd.h

   1 /*
   2  * LED, LCD and Button panel driver for Cobalt
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1996, 1997 by Andrew Bose
   9  *
  10  * Linux kernel version history:
  11  *       March 2001: Ported from 2.0.34  by Liam Davies
  12  *
  13  */
  14
  15 // function headers
  16
  17 #define LCD_CHARS_PER_LINE 40
  18 #define MAX_IDLE_TIME 120
  19
  20 struct lcd_display {
  21         unsigned buttons;
  22         int size1;
  23         int size2;
  24         unsigned char line1[LCD_CHARS_PER_LINE];
  25         unsigned char line2[LCD_CHARS_PER_LINE];
  26         unsigned char cursor_address;
  27         unsigned char character;
  28         unsigned char leds;
  29         unsigned char *RomImage;
  30 };
  31
  32
  33
  34 #define LCD_DRIVER      "Cobalt LCD Driver v2.10"
  35
  36 #define LCD             "lcd: "
  37
  38 #define kLCD_IR         0x0F000000
  39 #define kLCD_DR         0x0F000010
  40 #define kGPI            0x0D000000
  41 #define kLED            0x0C000000
  42
  43 #define kDD_R00         0x00
  44 #define kDD_R01         0x27
  45 #define kDD_R10         0x40
  46 #define kDD_R11         0x67
  47
  48 #define kLCD_Addr       0x00000080
  49
  50 #define LCDTimeoutValue 0xfff
  51
  52
  53 // Macros
  54
  55 #define LCDWriteData(x) outl((x << 24), kLCD_DR)
  56 #define LCDWriteInst(x) outl((x << 24), kLCD_IR)
  57
  58 #define LCDReadData     (inl(kLCD_DR) >> 24)
  59 #define LCDReadInst     (inl(kLCD_IR) >> 24)
  60
  61 #define GPIRead         (inl(kGPI) >> 24)
  62
  63 #define LEDSet(x)       outb((char)x, kLED)
  64
  65 #define WRITE_GAL(x,y)  outl(y, 0x04000000 | (x))
  66 #define BusyCheck()     while ((LCDReadInst & 0x80) == 0x80)
  67
  68
  69
  70 /*
  71  * Function command codes for io_ctl.
  72  */
  73 #define LCD_On                  1
  74 #define LCD_Off                 2
  75 #define LCD_Clear               3
  76 #define LCD_Reset               4
  77 #define LCD_Cursor_Left         5
  78 #define LCD_Cursor_Right        6
  79 #define LCD_Disp_Left           7
  80 #define LCD_Disp_Right          8
  81 #define LCD_Get_Cursor          9
  82 #define LCD_Set_Cursor          10
  83 #define LCD_Home                11
  84 #define LCD_Read                12
  85 #define LCD_Write               13
  86 #define LCD_Cursor_Off          14
  87 #define LCD_Cursor_On           15
  88 #define LCD_Get_Cursor_Pos      16
  89 #define LCD_Set_Cursor_Pos      17
  90 #define LCD_Blink_Off           18
  91
  92 #define LED_Set                 40
  93 #define LED_Bit_Set             41
  94 #define LED_Bit_Clear           42
  95
  96
  97 //  Button defs
  98 #define BUTTON_Read             50
  99
 100
 101 // Ethernet LINK check hackaroo
 102 #define LINK_Check              90
 103 #define LINK_Check_2            91
 104
 105 //  Button patterns  _B - single layer lcd boards
 106
 107 #define BUTTON_NONE               0x3F
 108 #define BUTTON_NONE_B             0xFE
 109
 110 #define BUTTON_Left               0x3B
 111 #define BUTTON_Left_B             0xFA
 112
 113 #define BUTTON_Right              0x37
 114 #define BUTTON_Right_B            0xDE
 115
 116 #define BUTTON_Up                 0x2F
 117 #define BUTTON_Up_B               0xF6
 118
 119 #define BUTTON_Down               0x1F
 120 #define BUTTON_Down_B             0xEE
 121
 122 #define BUTTON_Next               0x3D
 123 #define BUTTON_Next_B             0x7E
 124
 125 #define BUTTON_Enter              0x3E
 126 #define BUTTON_Enter_B            0xBE
 127
 128 #define BUTTON_Reset_B            0xFC
 129
 130
 131 // debounce constants
 132
 133 #define BUTTON_SENSE            160000
 134 #define BUTTON_DEBOUNCE         5000
 135
 136
 137 //  Galileo register stuff
 138
 139 #define kGal_DevBank2Cfg        0x1466DB33
 140 #define kGal_DevBank2PReg       0x464
 141 #define kGal_DevBank3Cfg        0x146FDFFB
 142 #define kGal_DevBank3PReg       0x468
 143
 144 // Network
 145
 146 #define kIPADDR                 1
 147 #define kNETMASK                2
 148 #define kGATEWAY                3
 149 #define kDNS                    4
 150
 151 #define kClassA                 5
 152 #define kClassB                 6
 153 #define kClassC                 7
 154