server/drivers/t6963.h

   1 /*
   2  * Base driver module for Toshiba T6963 based LCD displays ver 2.2
   3  *    ( ver 2.* is not at all compatible to 1.* versions!)
   4  *
   5  * Parts of this file are based on the kernel driver by Alexander Frink <Alexander.Frink@Uni-Mainz.DE>
   6  *
   7  * This file is released under the GNU General Public License. Refer to the
   8  * COPYING file distributed with this package.
   9  *
  10  * Copyright (c)  2001 Manuel Stahl <mythos@xmythos.de>
  11  *
  12  * Wiring:
  13  *  Parallel:              LCD:
  14  *  1 (Strobe) ----------- 5 (WR)
  15  *  2-9 (Data) ----------- 11-18 (Data)
  16  *  14 (Autofeed) -------- 7 (CE)
  17  *  16 (Init) ------------ 8 (C/D)
  18  *  17 (Slct) ------------ 6 (RD)
  19  *  18 (GND) ------------- 3 (GND)
  20  *  +5V ------------------ 3(LCD +)
  21  *
  22  */
  23
  24 #ifndef T6963_H
  25 #define T6963_H
  26
  27 #include "lcd.h"
  28
  29 #define DEFAULT_CELL_WIDTH 6
  30 #define DEFAULT_CELL_HEIGHT 8
  31 #define DEFAULT_SIZE "20x6"
  32 #define DEFAULT_PORT 0x378
  33 #define DEFAULT_WRHI 0x04
  34 #define DEFAULT_WRLO 0xfb
  35 #define DEFAULT_CEHI 0xfe
  36 #define DEFAULT_CELO 0x01
  37 #define DEFAULT_CDHI 0xf7
  38 #define DEFAULT_CDLO 0x08
  39 #define DEFAULT_RDHI 0xfd
  40 #define DEFAULT_RDLO 0x02
  41
  42 #define SM_UP (1)
  43 #define SM_DOWN (2)
  44 #define CM_ERASE (2)
  45 #define CUR_LOWER_THIRD 3
  46 #define CUR_LOWER_HALF 4
  47 #define CUR_TWO_THIRDS 5
  48 #define CUR_BLOCK 6
  49 #define CUR_NONE 1
  50
  51 // 8bit Data input
  52 #define T6963_DATAIN(p)  port_out(T6963_CONTROL_PORT(p), port_in(T6963_CONTROL_PORT(p)) | 0x20)
  53 // 8bit Data output
  54 #define T6963_DATAOUT(p) port_out(T6963_CONTROL_PORT(p), port_in(T6963_CONTROL_PORT(p)) & 0xdf)
  55
  56 #define TEXT_BASE 0x0000
  57 #define ATTRIB_BASE 0x7000
  58 #define CHARGEN_BASE 0xF000
  59
  60 #define SET_CURSOR_POINTER 0x21
  61 #define SET_OFFSET_REGISTER 0x22
  62 #define SET_ADDRESS_POINTER 0x24
  63
  64 #define SET_TEXT_HOME_ADDRESS 0x40
  65 #define SET_TEXT_AREA 0x41
  66 #define SET_GRAPHIC_HOME_ADDRESS 0x42
  67 #define SET_GRAPHIC_AREA 0x43
  68
  69 #define SET_MODE 0x80
  70 #define OR_MODE 0x00
  71 #define EXOR_MODE 0x01
  72 #define AND_MODE 0x03
  73 #define ATTRIBUTE_MODE 0x04
  74 #define INTERNAL_CG 0x00
  75 #define EXTERNAL_CG 0x08
  76
  77 #define SET_DISPLAY_MODE 0x90
  78 #define BLINK_ON 0x01
  79 #define CURSOR_ON 0x02
  80 #define TEXT_ON 0x04
  81 #define GRAPHIC_ON 0x08
  82
  83 #define SET_CURSOR_PATTERN 0xa0
  84
  85 #define DATA_WRITE_INC 0xc0
  86 #define DATA_READ_INC 0xc1
  87 #define DATA_WRITE_DEC 0xc2
  88 #define DATA_READ_DEC 0xc3
  89 #define DATA_WRITE 0xc4
  90 #define DATA_READ 0xc5
  91
  92 #define AUTO_WRITE 0xb0
  93 #define AUTO_READ 0xb1
  94 #define AUTO_RESET 0xb
  95
  96 #define POSITION(x,y)  ((y)*lcd.wid + (x))
  97
  98 #define T6963_DATA_PORT(p) (p)
  99 #define T6963_STATUS_PORT(p) ((p)+1)
 100 #define T6963_CONTROL_PORT(p) ((p)+2)
 101
 102
 103 // ****************************************************************************************
 104 // *                  V A R I A B L E S                                                   *
 105 // ****************************************************************************************
 106
 107 typedef unsigned short u16;
 108 typedef unsigned char u8;
 109
 110 // ****************************************************************************************
 111 // *                  F U N C T I O N S                                                   *
 112 // ****************************************************************************************
 113
 114
 115 MODULE_EXPORT int  t6963_init (Driver *drvthis);
 116 MODULE_EXPORT void t6963_close (Driver *drvthis);
 117 MODULE_EXPORT int  t6963_width (Driver *drvthis);
 118 MODULE_EXPORT int  t6963_height (Driver *drvthis);
 119 MODULE_EXPORT void t6963_clear (Driver *drvthis);
 120 MODULE_EXPORT void t6963_flush (Driver *drvthis);
 121 MODULE_EXPORT void t6963_string (Driver *drvthis, int x, int y, const char string[]);
 122 MODULE_EXPORT void t6963_chr (Driver *drvthis, int x, int y, char c);
 123
 124 MODULE_EXPORT void t6963_vbar (Driver *drvthis, int x, int y, int len, int promille, int options);
 125 MODULE_EXPORT void t6963_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
 126 MODULE_EXPORT void t6963_num (Driver *drvthis, int x, int num);
 127 MODULE_EXPORT int  t6963_icon (Driver *drvthis, int x, int y, int icon);
 128
 129 MODULE_EXPORT void t6963_set_char (Driver *drvthis, int n, char *dat);
 130
 131
 132 void t6963_graphic_clear (Driver *drvthis, int x1, int y1, int x2, int y2);
 133 void t6963_set_nchar (Driver *drvthis, int n, unsigned char *dat, int num);
 134
 135 void t6963_low_set_control(Driver *drvthis, char wr, char ce, char cd, char rd);
 136 void t6963_low_dsp_ready(Driver *drvthis);
 137
 138 void t6963_low_data(Driver *drvthis, u8 byte);
 139 void t6963_low_command (Driver *drvthis, u8 byte);
 140
 141 void t6963_low_command_byte(Driver *drvthis, u8 cmd, u8 byte);
 142 void t6963_low_command_2_bytes(Driver *drvthis, u8 cmd, u8 byte1, u8 byte2);
 143 void t6963_low_command_word(Driver *drvthis, u8 cmd, u16 word);
 144
 145 void t6963_low_enable_mode (Driver *drvthis, u8 mode);
 146 void t6963_low_disable_mode (Driver *drvthis, u8 mode);
 147
 148 void t6963_swap_buffers(Driver *drvthis);
 149
 150 #endif