/* $Id: drv_T6963.c,v 1.19 2006/02/08 04:55:05 reinelt Exp $ * * new style driver for T6963-based displays * * Copyright (C) 2003 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * 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. * * * $Log: drv_T6963.c,v $ * Revision 1.19 2006/02/08 04:55:05 reinelt * moved widget registration to drv_generic_graphic * * Revision 1.18 2006/01/30 06:25:54 reinelt * added CVS Revision * * Revision 1.17 2006/01/30 05:47:38 reinelt * graphic subsystem changed to full-color RGBA * * Revision 1.16 2005/05/08 04:32:44 reinelt * CodingStyle added and applied * * Revision 1.15 2005/05/05 08:36:12 reinelt * changed SELECT to SLCTIN * * Revision 1.14 2005/01/18 06:30:23 reinelt * added (C) to all copyright statements * * Revision 1.13 2004/12/22 20:24:02 reinelt * T6963 fix for displays > 8 rows * * Revision 1.12 2004/06/26 12:04:59 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.11 2004/06/26 09:27:21 reinelt * * added '-W' to CFLAGS * changed all C++ comments to C ones * cleaned up a lot of signed/unsigned mistakes * * Revision 1.10 2004/06/20 10:09:54 reinelt * * 'const'ified the whole source * * Revision 1.9 2004/06/17 06:23:39 reinelt * * hash handling rewritten to solve performance issues * * Revision 1.8 2004/06/09 06:40:29 reinelt * * splash screen for T6963 driver * * Revision 1.7 2004/06/06 06:51:59 reinelt * * do not display end splash screen if quiet=1 * * Revision 1.6 2004/06/02 09:41:19 reinelt * * prepared support for startup splash screen * * Revision 1.5 2004/06/01 06:45:30 reinelt * * some Fixme's processed * documented some code * * Revision 1.4 2004/02/24 05:55:04 reinelt * * X11 driver ported * * Revision 1.3 2004/02/22 17:35:41 reinelt * some fixes for generic graphic driver and T6963 * removed ^M from plugin_imon (Nico, are you editing under Windows?) * * Revision 1.2 2004/02/18 06:39:20 reinelt * T6963 driver for graphic displays finished * * Revision 1.1 2004/02/15 21:43:43 reinelt * T6963 driver nearly finished * framework for graphic displays done * i2c_sensors patch from Xavier * some more old generation files removed * */ /* * * exported fuctions: * * struct DRIVER drv_T6963 * */ #include "config.h" #include #include #include #include #include #include #include #include #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 #endif static char Name[] = "T6963"; static int Model; typedef struct { int type; char *name; } MODEL; static MODEL Models[] = { {0x01, "generic"}, {0xff, "Unknown"} }; 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; /**************************************

# Sweden - Skellefteå
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 490000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 514000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 778000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 650000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 698000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE

break; } else { e = 0; } } memcpy(Buffer2 + j, Buffer1 + j, i - j - e + 1); drv_T6_copy(j, Buffer1 + j, i - j - e + 1); } } static int drv_T6_start(const char *section) { char *model, *s; int rows, TROWS, TCOLS; 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; info("%s: using model '%s'", Name, Models[Model].name); } 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; } s = cfg_get(section, "Font", "6x8"); if (s == NULL || *s == '\0') { error("%s: no '%s.Font' entry from %s", Name, section, cfg_source()); return -1; } XRES = -1; YRES = -1; if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { error("%s: bad Font '%s' from %s", Name, s, cfg_source()); return -1; } /* Fixme: provider other fonts someday... */ if (XRES != 6 && YRES != 8) { error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source()); return -1; } TROWS = DROWS / YRES; /* text rows */ TCOLS = DCOLS / XRES; /* text cols */ Buffer1 = malloc(TCOLS * DROWS); if (Buffer1 == NULL) { error("%s: framebuffer #1 could not be allocated: malloc() failed", Name); return -1; } debug("malloc buffer 2 (%d*%d)=%d", TCOLS, DROWS, TCOLS * DROWS); 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; } 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; /* 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 */ /* upper half */ rows = TROWS > 8 ? 8 : TROWS; drv_T6_clear(0x0000, TCOLS * rows); /* clear text area */ drv_T6_clear(0x0200, TCOLS * rows * 8); /* clear graphic area */ /* lower half */ if (TROWS > 8) { rows = TROWS - 8; drv_T6_clear(0x8000, TCOLS * rows); /* clear text area #2 */ drv_T6_clear(0x8200, TCOLS * rows * 8); /* clear graphic area #2 */ } 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, "$Revision: 1.19 $"); /* 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, };