diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_T6963.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_T6963.c.svn-base | 576 |
1 files changed, 0 insertions, 576 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_T6963.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_T6963.c.svn-base deleted file mode 100644 index fd7bd75d..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_T6963.c.svn-base +++ /dev/null @@ -1,576 +0,0 @@ -/* $Id$ - * $URL$ - * - * new style driver for T6963-based displays - * - * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> - * - * This file is part of LCD4Linux. - * - * LCD4Linux is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * LCD4Linux is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * - * exported fuctions: - * - * struct DRIVER drv_T6963 - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <termios.h> -#include <fcntl.h> -#include <sys/time.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.h" -#include "udelay.h" -#include "plugin.h" -#include "drv.h" -#include "drv_generic_graphic.h" -#include "drv_generic_parport.h" - -#ifdef WITH_DMALLOC -#include <dmalloc.h> -#endif - -static char Name[] = "T6963"; -static int Model; - -typedef struct { - int type; - char *name; -} MODEL; - -static MODEL Models[] = { - {0x01, "T6963"}, - {0xff, "Unknown"} -}; - - -/* font width of display */ -static int CELL; - -/* text rows/columns */ -static int TROWS, TCOLS; - -/* SingleScan or DualScan */ -static int DualScan = 0; - -/* Timings */ -static int T_ACC, T_OH, T_PW, T_DH, T_CDS; - -/* soft-wiring */ -static unsigned char SIGNAL_CE; -static unsigned char SIGNAL_CD; -static unsigned char SIGNAL_RD; -static unsigned char SIGNAL_WR; - -unsigned char *Buffer1, *Buffer2; - -static int bug = 0; - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -/* perform normal status check */ -static void drv_T6_status1(void) -{ - int n; - - /* turn off data line drivers */ - drv_generic_parport_direction(1); - - /* lower CE and RD */ - drv_generic_parport_control(SIGNAL_CE | SIGNAL_RD, 0); - - /* Access Time */ - ndelay(T_ACC); - - /* wait for STA0=1 and STA1=1 */ - n = 0; - do { - rep_nop(); - if (++n > 1000) { - debug("hang in status1"); - bug = 1; - break; - } - } while ((drv_generic_parport_read() & 0x03) != 0x03); - - /* rise RD and CE */ - drv_generic_parport_control(SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE); - - /* Output Hold Time */ - ndelay(T_OH); - - /* turn on data line drivers */ - drv_generic_parport_direction(0); -} - - -/* perform status check in "auto mode" */ -static void drv_T6_status2(void) -{ - int n; - - /* turn off data line drivers */ - drv_generic_parport_direction(1); - - /* lower RD and CE */ - drv_generic_parport_control(SIGNAL_RD | SIGNAL_CE, 0); - - /* Access Time */ - ndelay(T_ACC); - - /* wait for STA3=1 */ - n = 0; - do { - rep_nop(); - if (++n > 1000) { - debug("hang in status2"); - bug = 1; - break; - } - } while ((drv_generic_parport_read() & 0x08) != 0x08); - - /* rise RD and CE */ - drv_generic_parport_control(SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE); - - /* Output Hold Time */ - ndelay(T_OH); - - /* turn on data line drivers */ - drv_generic_parport_direction(0); -} - - -static void drv_T6_write_cmd(const unsigned char cmd) -{ - /* wait until the T6963 is idle */ - drv_T6_status1(); - - /* put data on DB1..DB8 */ - drv_generic_parport_data(cmd); - - /* lower WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, 0); - - /* Pulse width */ - ndelay(T_PW); - - /* rise WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); - - /* Data Hold Time */ - ndelay(T_DH); -} - - -static void drv_T6_write_data(const unsigned char data) -{ - /* wait until the T6963 is idle */ - drv_T6_status1(); - - /* put data on DB1..DB8 */ - drv_generic_parport_data(data); - - /* lower C/D */ - drv_generic_parport_control(SIGNAL_CD, 0); - - /* C/D Setup Time */ - ndelay(T_CDS); - - /* lower WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, 0); - - /* Pulse Width */ - ndelay(T_PW); - - /* rise WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); - - /* Data Hold Time */ - ndelay(T_DH); - - /* rise CD */ - drv_generic_parport_control(SIGNAL_CD, SIGNAL_CD); -} - - -static void drv_T6_write_auto(const unsigned char data) -{ - /* wait until the T6963 is idle */ - drv_T6_status2(); - - /* put data on DB1..DB8 */ - drv_generic_parport_data(data); - - /* lower C/D */ - drv_generic_parport_control(SIGNAL_CD, 0); - - /* C/D Setup Time */ - ndelay(T_CDS); - - /* lower WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, 0); - - /* Pulse Width */ - ndelay(T_PW); - - /* rise WR and CE */ - drv_generic_parport_control(SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); - - /* Data Hold Time */ - ndelay(T_DH); - - /* rise CD */ - drv_generic_parport_control(SIGNAL_CD, SIGNAL_CD); -} - - -#if 0 /* not used */ -static void drv_T6_send_byte(const unsigned char cmd, const unsigned char data) -{ - drv_T6_write_data(data); - drv_T6_write_cmd(cmd); -} -#endif - -static void drv_T6_send_word(const unsigned char cmd, const unsigned short data) -{ - drv_T6_write_data(data & 0xff); - drv_T6_write_data(data >> 8); - drv_T6_write_cmd(cmd); -} - - -static void drv_T6_clear(const unsigned short addr, const int len) -{ - int i; - - drv_T6_send_word(0x24, addr); /* Set Adress Pointer */ - drv_T6_write_cmd(0xb0); /* Set Data Auto Write */ - for (i = 0; i < len; i++) { - drv_T6_write_auto(0x0); - if (bug) { - bug = 0; - debug("bug occurred at byte %d of %d", i, len); - } - } - drv_T6_status2(); - drv_T6_write_cmd(0xb2); /* Auto Reset */ -} - - -static void drv_T6_copy(const unsigned short addr, const unsigned char *data, const int len) -{ - int i; - - drv_T6_send_word(0x24, addr); /* Set Adress Pointer */ - drv_T6_write_cmd(0xb0); /* Set Data Auto Write */ - for (i = 0; i < len; i++) { - drv_T6_write_auto(*(data++)); - if (bug) { - bug = 0; - debug("bug occurred at byte %d of %d, addr=%d", i, len, addr); - } - } - drv_T6_status2(); - drv_T6_write_cmd(0xb2); /* Auto Reset */ -} - - -static void drv_T6_blit(const int row, const int col, const int height, const int width) -{ - int r, c, a, b; - int i, j, e, n; - int base; - - for (r = row; r < row + height; r++) { - for (c = col; c < col + width; c++) { - unsigned char mask = 1 << (CELL - 1 - c % CELL); - if (drv_generic_graphic_black(r, c)) { - /* set bit */ - Buffer1[(r * DCOLS + c) / CELL] |= mask; - } else { - /* clear bit */ - Buffer1[(r * DCOLS + c) / CELL] &= ~mask; - } - } - a = (r * DCOLS + col) / CELL; - b = (r * DCOLS + col + width + CELL - 1) / CELL; - for (i = a; i <= b; i++) { - if (Buffer1[i] == Buffer2[i]) - continue; - for (j = i, e = 0; i <= b; i++) { - if (Buffer1[i] == Buffer2[i]) { - if (++e > 4) - break; - } else { - e = 0; - } - } - if (DualScan && r >= DROWS / 2) { - base = 0x8200 - DCOLS * DROWS / 2 / CELL; - } else { - base = 0x0200; - } - n = i - j - e + 1; - memcpy(Buffer2 + j, Buffer1 + j, n); - drv_T6_copy(base + j, Buffer1 + j, n); - } - } -} - - -static int drv_T6_start(const char *section) -{ - char *model, *s; - - model = cfg_get(section, "Model", "generic"); - if (model != NULL && *model != '\0') { - int i; - for (i = 0; Models[i].type != 0xff; i++) { - if (strcasecmp(Models[i].name, model) == 0) - break; - } - if (Models[i].type == 0xff) { - error("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source()); - return -1; - } - Model = i; - } else { - error("%s: empty '%s.Model' entry from %s", Name, section, cfg_source()); - return -1; - } - - /* read display size from config */ - s = cfg_get(section, "Size", NULL); - if (s == NULL || *s == '\0') { - error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); - return -1; - } - - DROWS = -1; - DCOLS = -1; - if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DCOLS < 1 || DROWS < 1) { - error("%s: bad Size '%s' from %s", Name, s, cfg_source()); - return -1; - } - - if (sscanf(s = cfg_get(section, "font", "6x8"), "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { - error("%s: bad %s.Font '%s' from %s", Name, section, s, cfg_source()); - free(s); - return -1; - } - free(s); - - - /* get font width of display */ - cfg_number(section, "Cell", 6, 5, 8, &CELL); - - TROWS = DROWS / 8; /* text rows */ - TCOLS = DCOLS / CELL; /* text columns */ - - /* get DualScan mode */ - cfg_number(section, "DualScan", 0, 0, 1, &DualScan); - - info("%s: %dx%d %sScan %d bits/cell", Name, DCOLS, DROWS, DualScan ? "Dual" : "Single", CELL); - - Buffer1 = malloc(TCOLS * DROWS); - if (Buffer1 == NULL) { - error("%s: framebuffer #1 could not be allocated: malloc() failed", Name); - return -1; - } - - Buffer2 = malloc(TCOLS * DROWS); - if (Buffer2 == NULL) { - error("%s: framebuffer #2 could not be allocated: malloc() failed", Name); - return -1; - } - - memset(Buffer1, 0, TCOLS * DROWS * sizeof(*Buffer1)); - memset(Buffer2, 0, TCOLS * DROWS * sizeof(*Buffer2)); - - if (drv_generic_parport_open(section, Name) != 0) { - error("%s: could not initialize parallel port!", Name); - return -1; - } - - /* soft-wiring */ - if ((SIGNAL_CE = drv_generic_parport_wire_ctrl("CE", "STROBE")) == 0xff) - return -1; - if ((SIGNAL_CD = drv_generic_parport_wire_ctrl("CD", "SLCTIN")) == 0xff) - return -1; - if ((SIGNAL_RD = drv_generic_parport_wire_ctrl("RD", "AUTOFD")) == 0xff) - return -1; - if ((SIGNAL_WR = drv_generic_parport_wire_ctrl("WR", "INIT")) == 0xff) - return -1; - - /* timings */ - T_ACC = timing(Name, section, "ACC", 150, "ns"); /* Access Time */ - T_OH = timing(Name, section, "OH", 50, "ns"); /* Output Hold Time */ - T_PW = timing(Name, section, "PW", 80, "ns"); /* CE, RD, WR Pulse Width */ - T_DH = timing(Name, section, "DH", 40, "ns"); /* Data Hold Time */ - T_CDS = timing(Name, section, "CDS", 100, "ns"); /* C/D Setup Time */ - - - /* rise CE, CD, RD and WR */ - drv_generic_parport_control(SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR, - SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR); - /* set direction: write */ - drv_generic_parport_direction(0); - - - /* initialize display */ - - drv_T6_send_word(0x40, 0x0000); /* Set Text Home Address */ - drv_T6_send_word(0x41, TCOLS); /* Set Text Area */ - - drv_T6_send_word(0x42, 0x0200); /* Set Graphic Home Address */ - drv_T6_send_word(0x43, TCOLS); /* Set Graphic Area */ - - drv_T6_write_cmd(0x80); /* Mode Set: OR mode, Internal CG RAM mode */ - drv_T6_send_word(0x22, 0x0002); /* Set Offset Register */ - drv_T6_write_cmd(0x98); /* Set Display Mode: Curser off, Text off, Graphics on */ - drv_T6_write_cmd(0xa0); /* Set Cursor Pattern: 1 line cursor */ - drv_T6_send_word(0x21, 0x0000); /* Set Cursor Pointer to (0,0) */ - - - /* clear display */ - - if (DualScan) { - /* upper half */ - drv_T6_clear(0x0000, TCOLS * TROWS / 2); /* clear text area */ - drv_T6_clear(0x0200, TCOLS * TROWS * 8 / 2); /* clear graphic area */ - /* lower half */ - drv_T6_clear(0x8000, TCOLS * TROWS / 2); /* clear text area */ - drv_T6_clear(0x8200, TCOLS * TROWS * 8 / 2); /* clear graphic area */ - } else { - drv_T6_clear(0x0000, TCOLS * TROWS); /* clear text area */ - drv_T6_clear(0x0200, TCOLS * TROWS * 8); /* clear graphic area */ - } - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -/* none at the moment... */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_T6_list(void) -{ - int i; - - for (i = 0; Models[i].type != 0xff; i++) { - printf("%s ", Models[i].name); - } - return 0; -} - - -/* initialize driver & display */ -int drv_T6_init(const char *section, const int quiet) -{ - int ret; - - info("%s: %s", Name, "$Rev$"); - - /* real worker functions */ - drv_generic_graphic_real_blit = drv_T6_blit; - - /* start display */ - if ((ret = drv_T6_start(section)) != 0) - return ret; - - /* initialize generic graphic driver */ - if ((ret = drv_generic_graphic_init(section, Name)) != 0) - return ret; - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); - if (drv_generic_graphic_greet(buffer, NULL)) { - sleep(3); - drv_generic_graphic_clear(); - } - } - - /* register plugins */ - /* none at the moment... */ - - - return 0; -} - - -/* close driver & display */ -int drv_T6_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - drv_generic_graphic_clear(); - - if (!quiet) { - drv_generic_graphic_greet("goodbye!", NULL); - } - - drv_generic_graphic_quit(); - drv_generic_parport_close(); - - if (Buffer1) { - free(Buffer1); - Buffer1 = NULL; - } - - if (Buffer2) { - free(Buffer2); - Buffer2 = NULL; - } - - return (0); -} - - -DRIVER drv_T6963 = { - .name = Name, - .list = drv_T6_list, - .init = drv_T6_init, - .quit = drv_T6_quit, -}; |