152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/*
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* Base driver module for Toshiba T6963 based LCD displays ver 2.2
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* ( ver 2.* is not at all compatible to 1.* versions!)
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*
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* Parts of this file are based on the kernel driver by Alexander Frink <Alexander.Frink@Uni-Mainz.DE>
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*
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* This file is released under the GNU General Public License. Refer to the
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* COPYING file distributed with this package.
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*
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* Copyright (c) 2001 Manuel Stahl <mythos@xmythos.de>
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*
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* Wiring:
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* Parallel: LCD:
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* 1 (Strobe) ----------- 5 (WR)
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* 2-9 (Data) ----------- 11-18 (Data)
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* 14 (Autofeed) -------- 7 (CE)
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* 16 (Init) ------------ 8 (C/D)
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* 17 (Slct) ------------ 6 (RD)
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* 18 (GND) ------------- 3 (GND)
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* +5V ------------------ 3(LCD +)
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*
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*/
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#ifndef T6963_H
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#define T6963_H
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#include "lcd.h"
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#define DEFAULT_CELL_WIDTH 6
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#define DEFAULT_CELL_HEIGHT 8
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#define DEFAULT_SIZE "20x6"
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#define DEFAULT_PORT 0x378
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#define DEFAULT_WRHI 0x04
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#define DEFAULT_WRLO 0xfb
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#define DEFAULT_CEHI 0xfe
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#define DEFAULT_CELO 0x01
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#define DEFAULT_CDHI 0xf7
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#define DEFAULT_CDLO 0x08
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#define DEFAULT_RDHI 0xfd
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#define DEFAULT_RDLO 0x02
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#define SM_UP (1)
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#define SM_DOWN (2)
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#define CM_ERASE (2)
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#define CUR_LOWER_THIRD 3
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#define CUR_LOWER_HALF 4
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#define CUR_TWO_THIRDS 5
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#define CUR_BLOCK 6
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#define CUR_NONE 1
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// 8bit Data input
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#define T6963_DATAIN port_out(T6963_CONTROL_PORT, port_in(T6963_CONTROL_PORT) | 0x20)
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// 8bit Data output
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#define T6963_DATAOUT port_out(T6963_CONTROL_PORT, port_in(T6963_CONTROL_PORT) & 0xdf)
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#define TEXT_BASE 0x0000
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#define ATTRIB_BASE 0x7000
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#define CHARGEN_BASE 0xF000
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#define SET_CURSOR_POINTER 0x21
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#define SET_OFFSET_REGISTER 0x22
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#define SET_ADDRESS_POINTER 0x24
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#define SET_TEXT_HOME_ADDRESS 0x40
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#define SET_TEXT_AREA 0x41
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#define SET_GRAPHIC_HOME_ADDRESS 0x42
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#define SET_GRAPHIC_AREA 0x43
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#define SET_MODE 0x80
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#define OR_MODE 0x00
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#define EXOR_MODE 0x01
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#define AND_MODE 0x03
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#define ATTRIBUTE_MODE 0x04
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#define INTERNAL_CG 0x00
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#define EXTERNAL_CG 0x08
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#define SET_DISPLAY_MODE 0x90
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#define BLINK_ON 0x01
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#define CURSOR_ON 0x02
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#define TEXT_ON 0x04
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#define GRAPHIC_ON 0x08
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#define SET_CURSOR_PATTERN 0xa0
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#define DATA_WRITE_INC 0xc0
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#define DATA_READ_INC 0xc1
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#define DATA_WRITE_DEC 0xc2
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#define DATA_READ_DEC 0xc3
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#define DATA_WRITE 0xc4
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#define DATA_READ 0xc5
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#define AUTO_WRITE 0xb0
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#define AUTO_READ 0xb1
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#define AUTO_RESET 0xb
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#define POSITION(x,y) ((y)*lcd.wid + (x))
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#define T6963_DATA_PORT (t6963_out_port)
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#define T6963_STATUS_PORT (t6963_out_port+1)
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#define T6963_CONTROL_PORT (t6963_out_port+2)
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// ****************************************************************************************
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// * V A R I A B L E S *
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// ****************************************************************************************
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typedef unsigned short u16;
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typedef unsigned char u8;
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// ****************************************************************************************
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// * F U N C T I O N S *
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// ****************************************************************************************
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MODULE_EXPORT int t6963_init (Driver *drvthis, char *args);
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MODULE_EXPORT void t6963_close (Driver *drvthis);
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MODULE_EXPORT int t6963_width (Driver *drvthis);
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MODULE_EXPORT int t6963_height (Driver *drvthis);
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MODULE_EXPORT void t6963_clear (Driver *drvthis);
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MODULE_EXPORT void t6963_flush (Driver *drvthis);
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MODULE_EXPORT void t6963_string (Driver *drvthis, int x, int y, char string[]);
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MODULE_EXPORT void t6963_chr (Driver *drvthis, int x, int y, char c);
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MODULE_EXPORT void t6963_vbar (Driver *drvthis, int x, int y, int len, int promille, int options);
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MODULE_EXPORT void t6963_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
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MODULE_EXPORT void t6963_num (Driver *drvthis, int x, int num);
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MODULE_EXPORT int t6963_icon (Driver *drvthis, int x, int y, int icon);
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MODULE_EXPORT void t6963_set_char (Driver *drvthis, int n, char *dat);
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//MODULE_EXPORT char t6963_getkey (Driver *drvthis);
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void t6963_graphic_clear (Driver *drvthis, int x1, int y1, int x2, int y2);
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void t6963_set_nchar (Driver *drvthis, int n, char *dat, int num);
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void t6963_low_set_control(char wr, char ce, char cd, char rd);
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void t6963_low_dsp_ready(void);
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void t6963_low_data(u8 byte);
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void t6963_low_command (u8 byte);
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void t6963_low_command_byte(u8 cmd, u8 byte);
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void t6963_low_command_2_bytes(u8 cmd, u8 byte1, u8 byte2);
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void t6963_low_command_word(u8 cmd, u16 word);
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void t6963_low_enable_mode (u8 mode);
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void t6963_low_disable_mode (u8 mode);
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void t6963_swap_buffers();
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#endif
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