lcd.h 3.2 KB

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  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. // function headers
  15. #define LCD_CHARS_PER_LINE 40
  16. #define MAX_IDLE_TIME 120
  17. struct lcd_display {
  18. unsigned buttons;
  19. int size1;
  20. int size2;
  21. unsigned char line1[LCD_CHARS_PER_LINE];
  22. unsigned char line2[LCD_CHARS_PER_LINE];
  23. unsigned char cursor_address;
  24. unsigned char character;
  25. unsigned char leds;
  26. unsigned char *RomImage;
  27. };
  28. #define LCD_DRIVER "Cobalt LCD Driver v2.10"
  29. #define LCD "lcd: "
  30. #define kLCD_IR 0x0F000000
  31. #define kLCD_DR 0x0F000010
  32. #define kGPI 0x0D000000
  33. #define kLED 0x0C000000
  34. #define kDD_R00 0x00
  35. #define kDD_R01 0x27
  36. #define kDD_R10 0x40
  37. #define kDD_R11 0x67
  38. #define kLCD_Addr 0x00000080
  39. #define LCDTimeoutValue 0xfff
  40. // Macros
  41. #define LCDWriteData(x) outl((x << 24), kLCD_DR)
  42. #define LCDWriteInst(x) outl((x << 24), kLCD_IR)
  43. #define LCDReadData (inl(kLCD_DR) >> 24)
  44. #define LCDReadInst (inl(kLCD_IR) >> 24)
  45. #define GPIRead (inl(kGPI) >> 24)
  46. #define LEDSet(x) outb((char)x, kLED)
  47. #define WRITE_GAL(x,y) outl(y, 0x04000000 | (x))
  48. #define BusyCheck() while ((LCDReadInst & 0x80) == 0x80)
  49. /*
  50. * Function command codes for io_ctl.
  51. */
  52. #define LCD_On 1
  53. #define LCD_Off 2
  54. #define LCD_Clear 3
  55. #define LCD_Reset 4
  56. #define LCD_Cursor_Left 5
  57. #define LCD_Cursor_Right 6
  58. #define LCD_Disp_Left 7
  59. #define LCD_Disp_Right 8
  60. #define LCD_Get_Cursor 9
  61. #define LCD_Set_Cursor 10
  62. #define LCD_Home 11
  63. #define LCD_Read 12
  64. #define LCD_Write 13
  65. #define LCD_Cursor_Off 14
  66. #define LCD_Cursor_On 15
  67. #define LCD_Get_Cursor_Pos 16
  68. #define LCD_Set_Cursor_Pos 17
  69. #define LCD_Blink_Off 18
  70. #define LED_Set 40
  71. #define LED_Bit_Set 41
  72. #define LED_Bit_Clear 42
  73. // Button defs
  74. #define BUTTON_Read 50
  75. // Ethernet LINK check hackaroo
  76. #define LINK_Check 90
  77. #define LINK_Check_2 91
  78. // Button patterns _B - single layer lcd boards
  79. #define BUTTON_NONE 0x3F
  80. #define BUTTON_NONE_B 0xFE
  81. #define BUTTON_Left 0x3B
  82. #define BUTTON_Left_B 0xFA
  83. #define BUTTON_Right 0x37
  84. #define BUTTON_Right_B 0xDE
  85. #define BUTTON_Up 0x2F
  86. #define BUTTON_Up_B 0xF6
  87. #define BUTTON_Down 0x1F
  88. #define BUTTON_Down_B 0xEE
  89. #define BUTTON_Next 0x3D
  90. #define BUTTON_Next_B 0x7E
  91. #define BUTTON_Enter 0x3E
  92. #define BUTTON_Enter_B 0xBE
  93. #define BUTTON_Reset_B 0xFC
  94. // debounce constants
  95. #define BUTTON_SENSE 160000
  96. #define BUTTON_DEBOUNCE 5000
  97. // Galileo register stuff
  98. #define kGal_DevBank2Cfg 0x1466DB33
  99. #define kGal_DevBank2PReg 0x464
  100. #define kGal_DevBank3Cfg 0x146FDFFB
  101. #define kGal_DevBank3PReg 0x468
  102. // Network
  103. #define kIPADDR 1
  104. #define kNETMASK 2
  105. #define kGATEWAY 3
  106. #define kDNS 4
  107. #define kClassA 5
  108. #define kClassB 6
  109. #define kClassC 7