/* kate: space-indent off; indent-width 8; replace-tabs-save off; replace-tabs off; show-tabs on;  tab-width 8; *//* * Copyright (c) 1999, 2000 Greg Haerr <greg@censoft.com> * * Microwindows Screen Driver for Linux kernel framebuffers * * Portions used from Ben Pfaff's BOGL <pfaffben@debian.org> * * Modified for eCos by *   Alexander Neundorf <neundorf@kde.org> *   Gary Thomas <gthomas@redhat.com> *   Richard Panton <richard.panton@3glab.org> *  * Note: modify select_fb_driver() to add new framebuffer subdrivers ftok is taken from FreeBSD: * Copyright (c) 1994 SigmaSoft, Th. Lockert <tholo@sigmasoft.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */#define _GNU_SOURCE 1#include <assert.h>#include "device.h"#include "genfont.h"#include "genmem.h"#include "fb.h"#include "ecos_synth_qvfb.h"#include <cyg/infra/diag.h>#include <cyg/hal/hal_io.h>#include <cyg/infra/cyg_type.h>#include <cyg/infra/cyg_ass.h>////////// microwindows screen driver codestatic PSD  fb_open(PSD psd);static void fb_close(PSD psd);static void fb_setpalette(PSD psd,int first, int count, MWPALENTRY *palette);static void gen_getscreeninfo(PSD psd,PMWSCREENINFO psi);SCREENDEVICE	scrdev = {	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL,	fb_open,	fb_close,	gen_getscreeninfo,	fb_setpalette,	NULL,			/* DrawPixel subdriver*/	NULL,			/* ReadPixel subdriver*/	NULL,			/* DrawHorzLine subdriver*/	NULL,			/* DrawVertLine subdriver*/	NULL,			/* FillRect subdriver*/	gen_fonts,	NULL,			/* Blit subdriver*/	NULL,			/* PreSelect*/	NULL,			/* DrawArea subdriver*/	NULL,			/* SetIOPermissions*/	gen_allocatememgc,	fb_mapmemgc,	gen_freememgc};/* static variables*/static int status;		/* 0=never inited, 1=once inited, 2=inited. *//* local functions*/static void	set_directcolor_palette(PSD psd);extern void qvfb_run_mwuid(void);/* init framebuffer*/static PSDfb_open(PSD psd){    PSUBDRIVER subdriver;    char* fb=qvfb_connect();    diag_printf("******** fb is %p\n", fb);    if (fb==NULL)       goto fail;//    diag_printf("DISPLAY=%s\n", cyg_hal_sys_getenv("DISPLAY"));    assert(status < 2);    psd->xres = psd->xvirtres = qvfb_width();    psd->yres = psd->yvirtres = qvfb_height();    /* set planes from fb type*/    psd->planes = 1;   /* FIXME */    psd->bpp = qvfb_depth();    psd->ncolors = (psd->bpp >= 24)? (1 << 24): (1 << psd->bpp);    /* set linelen to byte length, possibly converted later*/    psd->linelen = qvfb_linestep();    psd->size = 0;		/* force subdriver init of size*/    psd->flags = PSF_SCREEN | PSF_HAVEBLIT;    if (psd->bpp == 16)        psd->flags |= PSF_HAVEOP_COPY;    /* set pixel format*/    switch (psd->bpp) {    case 32:        psd->pixtype = MWPF_TRUECOLOR0888;        break;    case 16:        psd->pixtype = MWPF_TRUECOLOR565;        break;    default:        EPRINTF("Unsupported display type: %d\n", psd->bpp);        goto fail;    }    diag_printf("%dx%dx%d linelen %d bpp %d\n", psd->xres,      psd->yres, psd->ncolors, psd->linelen, psd->bpp);    /* select a framebuffer subdriver based on planes and bpp*/    subdriver = select_fb_subdriver(psd);    if (!subdriver) {        EPRINTF("No driver for screen\n", psd->bpp);        goto fail;    }    /*     * set and initialize subdriver into screen driver     * psd->size is calculated by subdriver init     */    if(!set_subdriver(psd, subdriver, TRUE)) {        EPRINTF("Driver initialize failed\n", psd->bpp);        goto fail;    }    /* mmap framebuffer into this address space*/    psd->addr = fb;    if(psd->addr == NULL || psd->addr == (unsigned char *)-1) {//        EPRINTF("Error mmaping %s: %m\n", env);        goto fail;    }    status = 2;    return psd;	/* success*/ fail:    return NULL;}/* close framebuffer*/static voidfb_close(PSD psd){   qvfb_disconnect();}/* setup directcolor palette - required for ATI cards*/static voidset_directcolor_palette(PSD psd){    diag_printf("%s - NOT IMPLEMENTED\n", __FUNCTION__);  while (1) ;}static int fade = 100;/* convert Microwindows palette to framebuffer format and set it*/static voidfb_setpalette(PSD psd,int first, int count, MWPALENTRY *palette){    diag_printf("%s - NOT IMPLEMENTED\n", __FUNCTION__);  while (1) ;}/* get framebuffer palette*/voidioctl_getpalette(int start, int len, short *red, short *green, short *blue){    diag_printf("%s - NOT IMPLEMENTED\n", __FUNCTION__);  while (1) ;}/* set framebuffer palette*/voidioctl_setpalette(int start, int len, short *red, short *green, short *blue){    diag_printf("%s - NOT IMPLEMENTED\n", __FUNCTION__);  while (1) ;}/* experimental palette animation*/voidsetfadelevel(PSD psd, int f){    diag_printf("%s - NOT IMPLEMENTED\n", __FUNCTION__);  while (1) ;}static voidgen_getscreeninfo(PSD psd,PMWSCREENINFO psi){    psi->rows = psd->yvirtres;    psi->cols = psd->xvirtres;    psi->planes = psd->planes;    psi->bpp = psd->bpp;    psi->ncolors = psd->ncolors;    psi->pixtype = psd->pixtype;    psi->fonts = NUMBER_FONTS;    psi->ydpcm = 42; // 320 / (3 * 2.54)    psi->xdpcm = 38; //240 / (2.5 * 2.54)}