linux-dvb-apps.git - linux-dvb-apps Debian packaging

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author	etobi <git@e-tobi.net>	2013-09-03 09:48:52 +0200
committer	etobi <git@e-tobi.net>	2013-09-03 09:48:52 +0200
commit	5501530a778ad588a8ccd3f1584ea58f74c0cec9 (patch)
tree	125c0eb7951f4b97c6b2be809332dcbe3633083c /lib/libdvben50221/en50221_app_lowspeed.h
parent	76c08672bc6c2984ebd7045a71862099890c9118 (diff)
download	linux-dvb-apps-5501530a778ad588a8ccd3f1584ea58f74c0cec9.tar.gz

Imported Upstream version 1.1.1+rev1483upstream/1.1.1+rev1483

Diffstat (limited to 'lib/libdvben50221/en50221_app_lowspeed.h')

0 files changed, 0 insertions, 0 deletions

/* $Id: drv_T6963.c,v 1.4 2004/02/24 05:55:04 reinelt Exp $ * * new style driver for T6963-based displays * * Copyright 1999-2004 Michael Reinelt <reinelt@eunet.at> * Copyright 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. * * * $Log: drv_T6963.c,v $ * 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 <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 "udelay.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.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, "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; // Fixme: 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: 150 ns ndelay(150); // 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: 50 ns ndelay(50); // 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: 150 ns ndelay(150); // 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: 50 ns ndelay(50); // turn on data line drivers drv_generic_parport_direction (0); } static void drv_T6_write_cmd (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(80); // rise WR and CE drv_generic_parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); } static void drv_T6_write_data (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(20); // lower WR and CE drv_generic_parport_control (SIGNAL_WR | SIGNAL_CE, 0); // Pulse Width ndelay(80); // rise WR and CE drv_generic_parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); // rise CD drv_generic_parport_control (SIGNAL_CD, SIGNAL_CD); } static void drv_T6_write_auto (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(20); // lower WR and CE drv_generic_parport_control (SIGNAL_WR | SIGNAL_CE, 0); // Pulse Width ndelay(80); // rise WR and CE drv_generic_parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE); // Data Hold Time ndelay(40); // rise CD drv_generic_parport_control (SIGNAL_CD, SIGNAL_CD); } #if 0 // not used static void drv_T6_send_byte (unsigned char cmd, unsigned char data) { drv_T6_write_data(data); drv_T6_write_cmd(cmd); } #endif static void drv_T6_send_word (unsigned char cmd, 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(unsigned short addr, 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(0); if (bug) { bug=0; debug("bug occured at byte %d of %d", i, len); } } drv_T6_status2(); drv_T6_write_cmd(0xb2); // Auto Reset } static void drv_T6_copy(unsigned short addr, unsigned char *data, int len) { int i; drv_T6_send_word (0x24, 0x0200+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 occured 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(int row, int col, int height, int width) { int i, j, e, m; int r, c; for (r=row; r<row+height; r++) { for (c=col; c<col+width; c++) { unsigned char mask = 1<<(XRES-1-c%XRES); if (drv_generic_graphic_FB[r*LCOLS+c]) { // set bit Buffer1[(r*DCOLS+c)/XRES] |= mask; } else { // clear bit Buffer1[(r*DCOLS+c)/XRES] &= ~mask; } } } // max address m=((row+height)*DCOLS+col+width)/XRES; for (i=(row*DCOLS+col)/XRES; i<=m; i++) { if (Buffer1[i]==Buffer2[i]) continue; for (j=i, e=0; i<=m; i++) { if (Buffer1[i]==Buffer2[i]) { if (++e>4) 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 (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(DCOLS*TROWS); if (Buffer1==NULL) { error ("%s: framebuffer #1 could not be allocated: malloc() failed", Name); return -1; } Buffer2=malloc(DCOLS*TROWS); 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", "SELECT"))==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... // **************************************** // *** widget callbacks *** // **************************************** // using drv_generic_graphic_draw(W) // using drv_generic_graphic_icon_draw(W) // using drv_generic_graphic_bar_draw(W) // **************************************** // *** 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 (char *section) { WIDGET_CLASS wc; int ret; // 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; // register text widget wc=Widget_Text; wc.draw=drv_generic_graphic_draw; widget_register(&wc); // register icon widget wc=Widget_Icon; wc.draw=drv_generic_graphic_icon_draw; widget_register(&wc); // register bar widget wc=Widget_Bar; wc.draw=drv_generic_graphic_bar_draw; widget_register(&wc); // register plugins // none at the moment... return 0; } // close driver & display int drv_T6_quit (void) { info("%s: shutting down.", Name); drv_generic_parport_close(); drv_generic_graphic_quit(); 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, };


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