Move the source code for these two modules out of src/sys/modules.

4 files changed, 4 insertions, 906 deletions

diff --git a/sys/modules/splash/bmp/Makefile b/sys/modules/splash/bmp/Makefile
index 834ed76..a169fdf 100644
--- a/sys/modules/splash/bmp/Makefile
+++ b/sys/modules/splash/bmp/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.PATH:	${.CURDIR}/../../../dev/fb
+
 KMOD=	splash_bmp
 SRCS= 	splash_bmp.c
 
diff --git a/sys/modules/splash/bmp/splash_bmp.c b/sys/modules/splash/bmp/splash_bmp.c
deleted file mode 100644
index ca4885c..0000000
--- a/sys/modules/splash/bmp/splash_bmp.c
+++ /dev/null
@@ -1,643 +0,0 @@
-/*-
- * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
- * Copyright (c) 1999 Kazutaka YOKOTA <yokota@freebsd.org>
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``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 AUTHORS OR CONTRIBUTORS 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/linker.h>
-#include <sys/fbio.h>
-
-#include <dev/fb/fbreg.h>
-#include <dev/fb/splashreg.h>
-#ifndef PC98
-#include <dev/fb/vgareg.h>
-
-#include <isa/isareg.h>
-#endif
-
-#define FADE_TIMEOUT	15	/* sec */
-#define FADE_LEVELS	10
-
-static int splash_mode = -1;
-static int splash_on = FALSE;
-
-static int bmp_start(video_adapter_t *adp);
-static int bmp_end(video_adapter_t *adp);
-static int bmp_splash(video_adapter_t *adp, int on);
-static int bmp_Init(char *data, int swidth, int sheight, int sdepth);
-static int bmp_Draw(video_adapter_t *adp);
-
-static splash_decoder_t bmp_decoder = {
-    "splash_bmp", bmp_start, bmp_end, bmp_splash, SPLASH_IMAGE,
-};
-
-SPLASH_DECODER(splash_bmp, bmp_decoder);
-
-static int 
-bmp_start(video_adapter_t *adp)
-{
-    /* currently only 256-color modes are supported XXX */
-    static int		modes[] = {
-#ifdef PC98
-    			/*
-			 * As 640x400 doesn't generally look great,
-			 * it's least preferred here.
-			 */
-			M_PC98_PEGC640x400,
-			M_PC98_PEGC640x480,
-			M_PC98_EGC640x400,
-#else
-			M_VESA_CG640x480,
-			M_VESA_CG800x600,
-			M_VESA_CG1024x768,
-			M_CG640x480,
-    			/*
-			 * As 320x200 doesn't generally look great,
-			 * it's least preferred here.
-			 */
-			M_VGA_CG320,
-#endif		
-			-1,
-    };
-    video_info_t 	info;
-    int			i;
-
-    if ((bmp_decoder.data == NULL) || (bmp_decoder.data_size <= 0)) {
-	printf("splash_bmp: No bitmap file found\n");
-	return ENODEV;
-    }
-    for (i = 0; modes[i] >= 0; ++i) {
-	if (((*vidsw[adp->va_index]->get_info)(adp, modes[i], &info) == 0)
-	    && (bmp_Init((u_char *)bmp_decoder.data,
-			 info.vi_width, info.vi_height, info.vi_depth) == 0))
-	    break;
-    }
-    splash_mode = modes[i];
-    if (splash_mode < 0)
-	printf("splash_bmp: No appropriate video mode found\n");
-    if (bootverbose)
-	printf("bmp_start(): splash_mode:%d\n", splash_mode);
-    return ((splash_mode < 0) ? ENODEV : 0);
-}
-
-static int
-bmp_end(video_adapter_t *adp)
-{
-    /* nothing to do */
-    return 0;
-}
-
-static int
-bmp_splash(video_adapter_t *adp, int on)
-{
-    static u_char	pal[256*3];
-    static long		time_stamp;
-    u_char		tpal[256*3];
-    static int		fading = TRUE, brightness = FADE_LEVELS;
-    struct timeval	tv;
-    int			i;
-
-    if (on) {
-	if (!splash_on) {
-	    /* set up the video mode and draw something */
-	    if ((*vidsw[adp->va_index]->set_mode)(adp, splash_mode))
-		return 1;
-	    if (bmp_Draw(adp))
-		return 1;
-	    (*vidsw[adp->va_index]->save_palette)(adp, pal);
-	    time_stamp = 0;
-	    splash_on = TRUE;
-	}
-	/*
-	 * This is a kludge to fade the image away.  This section of the 
-	 * code takes effect only after the system is completely up.
-	 * FADE_TIMEOUT should be configurable.
-	 */
-	if (!cold) {
-	    getmicrotime(&tv);
-	    if (time_stamp == 0)
-		time_stamp = tv.tv_sec;
-	    if (tv.tv_sec > time_stamp + FADE_TIMEOUT) {
-		if (fading)
-		    if (brightness == 0) {
-			fading = FALSE;
-			brightness++;
-		    }
-		    else brightness--;
-		else
-		    if (brightness == FADE_LEVELS) {
-			fading = TRUE;
-			brightness--;
-		    }
-		    else brightness++;
-		for (i = 0; i < sizeof(pal); ++i) {
-		    tpal[i] = pal[i] * brightness / FADE_LEVELS;
-		}
-		(*vidsw[adp->va_index]->load_palette)(adp, tpal);
-		time_stamp = tv.tv_sec;
-	    }
-	}
-	return 0;
-    } else {
-	/* the video mode will be restored by the caller */
-	splash_on = FALSE;
-	return 0;
-    }
-}
-
-/*
-** Code to handle Microsoft DIB (".BMP") format images.
-**
-** Blame me (msmith@freebsd.org) if this is broken, not Soren.
-*/
-
-typedef struct tagBITMAPFILEHEADER {    /* bmfh */
-    u_short	bfType		__packed;
-    int		bfSize		__packed;
-    u_short	bfReserved1	__packed;
-    u_short	bfReserved2	__packed;
-    int		bfOffBits	__packed;
-} BITMAPFILEHEADER;
-
-typedef struct tagBITMAPINFOHEADER {    /* bmih */
-    int		biSize		__packed;
-    int		biWidth		__packed;
-    int		biHeight	__packed;
-    short	biPlanes	__packed;
-    short	biBitCount	__packed;
-    int		biCompression	__packed;
-    int		biSizeImage	__packed;
-    int		biXPelsPerMeter	__packed;
-    int		biYPelsPerMeter	__packed;
-    int		biClrUsed	__packed;
-    int		biClrImportant	__packed;
-} BITMAPINFOHEADER;
-
-typedef struct tagRGBQUAD {     /* rgbq */
-    u_char	rgbBlue		__packed;
-    u_char	rgbGreen	__packed;
-    u_char	rgbRed		__packed;
-    u_char	rgbReserved	__packed;
-} RGBQUAD;
-
-typedef struct tagBITMAPINFO {  /* bmi */
-    BITMAPINFOHEADER	bmiHeader	__packed;
-    RGBQUAD		bmiColors[256]	__packed;
-} BITMAPINFO;
-
-typedef struct tagBITMAPF
-{
-    BITMAPFILEHEADER	bmfh	__packed;
-    BITMAPINFO		bmfi	__packed;
-} BITMAPF;
-
-#define BI_RGB		0
-#define BI_RLE8		1
-#define BI_RLE4		2
-
-/* 
-** all we actually care about the image
-*/
-typedef struct
-{
-    int		width,height;		/* image dimensions */
-    int		swidth,sheight;		/* screen dimensions for the current mode */
-    u_char	depth;			/* image depth (1, 4, 8, 24 bits) */
-    u_char	sdepth;			/* screen depth (1, 4, 8 bpp) */
-    int		ncols;			/* number of colours */
-    u_char	palette[256][3];	/* raw palette data */
-    u_char	format;			/* one of the BI_* constants above */
-    u_char	*data;			/* pointer to the raw data */
-    u_char	*index;			/* running pointer to the data while drawing */
-    u_char	*vidmem;		/* video memory allocated for drawing */
-    video_adapter_t *adp;
-    int		bank;
-#ifdef PC98
-    u_char	prev_val;
-#endif
-} BMP_INFO;
-
-static BMP_INFO bmp_info;
-
-/*
-** bmp_SetPix
-**
-** Given (info), set the pixel at (x),(y) to (val) 
-**
-*/
-static void
-bmp_SetPix(BMP_INFO *info, int x, int y, u_char val)
-{
-    int		sofs, bofs;
-    int		newbank;
-
-    /*
-     * range check to avoid explosions
-     */
-    if ((x < 0) || (x >= info->swidth) || (y < 0) || (y >= info->sheight))
-	return;
-    
-    /* 
-     * calculate offset into video memory;
-     * because 0,0 is bottom-left for DIB, we have to convert.
-     */
-    sofs = ((info->height - (y+1) + (info->sheight - info->height) / 2) 
-		* info->adp->va_line_width);
-    x += (info->swidth - info->width) / 2;
-
-    switch(info->sdepth) {
-#ifdef PC98
-    case 4:
-	sofs += (x >> 3);
-	bofs = x & 0x7;				/* offset within byte */
-
-	outb(0x7c, 0x80 | 0x40);	/* GRCG on & RMW mode */
-	if (val != info->prev_val) {
-	    outb(0x7e, (val & 1) ? 0xff : 0);	/* tile B */
-	    outb(0x7e, (val & 2) ? 0xff : 0);	/* tile R */
-	    outb(0x7e, (val & 4) ? 0xff : 0);	/* tile G */
-	    outb(0x7e, (val & 8) ? 0xff : 0);	/* tile I */
-
-	    info->prev_val = val;
-	}
-
-	*(info->vidmem+sofs) = (0x80 >> bofs);	/* write new bit */
-	outb(0x7c, 0);		/* GRCG off */
-	break;
-#else
-    case 4:
-    case 1:
-	/* EGA/VGA planar modes */
-	sofs += (x >> 3);
-	newbank = sofs/info->adp->va_window_size;
-	if (info->bank != newbank) {
-	    (*vidsw[info->adp->va_index]->set_win_org)(info->adp, newbank*info->adp->va_window_size);
-	    info->bank = newbank;
-	}
-	sofs %= info->adp->va_window_size;
-	bofs = x & 0x7;				/* offset within byte */
-	outw(GDCIDX, (0x8000 >> bofs) | 0x08);	/* bit mask */
-	outw(GDCIDX, (val << 8) | 0x00);	/* set/reset */
-	*(info->vidmem + sofs) ^= 0xff;		/* read-modify-write */
-	break;
-#endif
-
-    case 8:
-	sofs += x;
-	newbank = sofs/info->adp->va_window_size;
-	if (info->bank != newbank) {
-	    (*vidsw[info->adp->va_index]->set_win_org)(info->adp, newbank*info->adp->va_window_size);
-	    info->bank = newbank;
-	}
-	sofs %= info->adp->va_window_size;
-	*(info->vidmem+sofs) = val;
-	break;
-    }
-}
-    
-/*
-** bmp_DecodeRLE4
-**
-** Given (data) pointing to a line of RLE4-format data and (line) being the starting
-** line onscreen, decode the line.
-*/
-static void
-bmp_DecodeRLE4(BMP_INFO *info, int line)
-{
-    int		count;		/* run count */
-    u_char	val;
-    int		x,y;		/* screen position */
-    
-    x = 0;			/* starting position */
-    y = line;
-    
-    /* loop reading data */
-    for (;;) {
-	/*
-	 * encoded mode starts with a run length, and then a byte with
-	 * two colour indexes to alternate between for the run
-	 */
-	if (*info->index) {
-	    for (count = 0; count < *info->index; count++, x++) {
-		if (count & 1) {		/* odd count, low nybble */
-		    bmp_SetPix(info, x, y, *(info->index+1) & 0x0f);
-		} else {			/* even count, high nybble */
-		    bmp_SetPix(info, x, y, (*(info->index+1) >>4) & 0x0f);
-		}
-	    }
-	    info->index += 2;
-        /* 
-	 * A leading zero is an escape; it may signal the end of the 
-	 * bitmap, a cursor move, or some absolute data.
-	 */
-	} else {	/* zero tag may be absolute mode or an escape */
-	    switch (*(info->index+1)) {
-	    case 0:				/* end of line */
-		info->index += 2;
-		return;
-	    case 1:				/* end of bitmap */
-		info->index = NULL;
-		return;
-	    case 2:				/* move */
-		x += *(info->index + 2);	/* new coords */
-		y += *(info->index + 3);
-		info->index += 4;
-		break;
-	    default:				/* literal bitmap data */
-		for (count = 0; count < *(info->index + 1); count++, x++) {
-		    val = *(info->index + 2 + (count / 2));	/* byte with nybbles */
-		    if (count & 1) {
-			val &= 0xf;		/* get low nybble */
-		    } else {
-			val = (val >> 4);	/* get high nybble */
-		    }
-		    bmp_SetPix(info, x, y, val);
-		}
-		/* warning, this depends on integer truncation, do not hand-optimise! */
-		info->index += 2 + ((count + 3) / 4) * 2;
-		break;
-	    }
-	}
-    }
-}
-
-/*
-** bmp_DecodeRLE8
-** Given (data) pointing to a line of RLE8-format data and (line) being the starting
-** line onscreen, decode the line.
-*/
-static void
-bmp_DecodeRLE8(BMP_INFO *info, int line)
-{
-    int		count;		/* run count */
-    int		x,y;		/* screen position */
-    
-    x = 0;			/* starting position */
-    y = line;
-    
-    /* loop reading data */
-    for(;;) {
-	/*
-	 * encoded mode starts with a run length, and then a byte with
-	 * two colour indexes to alternate between for the run
-	 */
-	if (*info->index) {
-	    for (count = 0; count < *info->index; count++, x++)
-		bmp_SetPix(info, x, y, *(info->index+1));
-	    info->index += 2;
-        /* 
-	 * A leading zero is an escape; it may signal the end of the 
-	 * bitmap, a cursor move, or some absolute data.
-	 */
-	} else {	/* zero tag may be absolute mode or an escape */
-	    switch(*(info->index+1)) {
-	    case 0:				/* end of line */
-		info->index += 2;
-		return;
-	    case 1:				/* end of bitmap */
-		info->index = NULL;
-		return;
-	    case 2:				/* move */
-		x += *(info->index + 2);	/* new coords */
-		y += *(info->index + 3);
-		info->index += 4;
-		break;
-	    default:				/* literal bitmap data */
-		for (count = 0; count < *(info->index + 1); count++, x++)
-		    bmp_SetPix(info, x, y, *(info->index + 2 + count));
-		/* must be an even count */
-		info->index += 2 + count + (count & 1);
-		break;
-	    }
-	}
-    }
-}
-
-/*
-** bmp_DecodeLine
-**
-** Given (info) pointing to an image being decoded, (line) being the line currently
-** being displayed, decode a line of data.
-*/
-static void
-bmp_DecodeLine(BMP_INFO *info, int line)
-{
-    int		x;
-    u_char	val, mask, *p;
-
-    switch(info->format) {
-    case BI_RGB:
-    	switch(info->depth) {
-	case 8:
-	    for (x = 0; x < info->width; x++, info->index++)
-		bmp_SetPix(info, x, line, *info->index);
-	    info->index += 3 - (--x % 4);
-	    break;
-	case 4:
-	    p = info->index;
-	    for (x = 0; x < info->width; x++) {
-		if (x & 1) {
-		    val = *p & 0xf;	/* get low nybble */
-		    p++;
-		} else {
-		    val = *p >> 4;	/* get high nybble */
-		}
-		bmp_SetPix(info, x, line, val);
-	    }
-	    /* warning, this depends on integer truncation, do not hand-optimise! */
-	    info->index += ((x + 7) / 8) * 4;
-	    break;
-	case 1:
-	    p = info->index;
-	    mask = 0x80;
-	    for (x = 0; x < info->width; x++) {
-		val = (*p & mask) ? 1 : 0;
-		mask >>= 1;
-		if (mask == 0) {
-		    mask = 0x80;
-		    p++;
-		}
-		bmp_SetPix(info, x, line, val);
-	    }
-	    /* warning, this depends on integer truncation, do not hand-optimise! */
-	    info->index += ((x + 31) / 32) * 4;
-	    break;
-	}
-	break;
-    case BI_RLE4:
-	bmp_DecodeRLE4(info, line);
-	break;
-    case BI_RLE8:
-	bmp_DecodeRLE8(info, line);
-	break;
-    }
-}
-
-/*
-** bmp_Init
-**
-** Given a pointer (data) to the image of a BMP file, fill in bmp_info with what
-** can be learnt from it.  Return nonzero if the file isn't usable.
-**
-** Take screen dimensions (swidth), (sheight) and (sdepth) and make sure we
-** can work with these.
-*/
-static int
-bmp_Init(char *data, int swidth, int sheight, int sdepth)
-{
-    BITMAPF	*bmf = (BITMAPF *)data;
-    int		pind;
-
-    bmp_info.data = NULL;	/* assume setup failed */
-
-    /* check file ID */
-    if (bmf->bmfh.bfType != 0x4d42) {
-	printf("splash_bmp: not a BMP file\n");
-	return(1);		/* XXX check word ordering for big-endian ports? */
-    }
-
-    /* do we understand this bitmap format? */
-    if (bmf->bmfi.bmiHeader.biSize > sizeof(bmf->bmfi.bmiHeader)) {
-	printf("splash_bmp: unsupported BMP format (size=%d)\n",
-		bmf->bmfi.bmiHeader.biSize);
-	return(1);
-    }
-
-    /* save what we know about the screen */
-    bmp_info.swidth = swidth;
-    bmp_info.sheight = sheight;
-    bmp_info.sdepth = sdepth;
-
-    /* where's the data? */
-    bmp_info.data = (u_char *)data + bmf->bmfh.bfOffBits;
-
-    /* image parameters */
-    bmp_info.width = bmf->bmfi.bmiHeader.biWidth;
-    bmp_info.height = bmf->bmfi.bmiHeader.biHeight;
-    bmp_info.depth = bmf->bmfi.bmiHeader.biBitCount;
-    bmp_info.format = bmf->bmfi.bmiHeader.biCompression;
-
-    switch(bmp_info.format) {	/* check compression format */
-    case BI_RGB:
-    case BI_RLE4:
-    case BI_RLE8:
-	break;
-    default:
-	printf("splash_bmp: unsupported compression format\n");
-	return(1);		/* unsupported compression format */
-    }
-    
-    /* palette details */
-    bmp_info.ncols = (bmf->bmfi.bmiHeader.biClrUsed);
-    bzero(bmp_info.palette,sizeof(bmp_info.palette));
-    if (bmp_info.ncols == 0) {	/* uses all of them */
-	bmp_info.ncols = 1 << bmf->bmfi.bmiHeader.biBitCount;
-    }
-    if ((bmp_info.height > bmp_info.sheight) ||
-	(bmp_info.width > bmp_info.swidth) ||
-	(bmp_info.ncols > (1 << sdepth))) {
-	if (bootverbose)
-	    printf("splash_bmp: beyond screen capacity (%dx%d, %d colors)\n",
-		   bmp_info.width, bmp_info.height, bmp_info.ncols);
-	return(1);
-    }
-
-    /* read palette */
-    for (pind = 0; pind < bmp_info.ncols; pind++) {
-	bmp_info.palette[pind][0] = bmf->bmfi.bmiColors[pind].rgbRed;
-	bmp_info.palette[pind][1] = bmf->bmfi.bmiColors[pind].rgbGreen;
-	bmp_info.palette[pind][2] = bmf->bmfi.bmiColors[pind].rgbBlue;
-    }
-    return(0);
-}
-
-/*
-** bmp_Draw
-**
-** Render the image.  Return nonzero if that's not possible.
-**
-*/
-static int
-bmp_Draw(video_adapter_t *adp)
-{
-    int		line;
-#if 0
-#ifndef PC98
-    int		i;
-#endif
-#endif
-
-    if (bmp_info.data == NULL) {	/* init failed, do nothing */
-	return(1);
-    }
-    
-    /* clear the screen */
-    bmp_info.vidmem = (u_char *)adp->va_window;
-    bmp_info.adp = adp;
-    (*vidsw[adp->va_index]->clear)(adp);
-    (*vidsw[adp->va_index]->set_win_org)(adp, 0);
-    bmp_info.bank = 0;
-
-    /* initialise the info structure for drawing */
-    bmp_info.index = bmp_info.data;
-#ifdef PC98
-    bmp_info.prev_val = 255;
-#endif
-    
-    /* set the palette for our image */
-    (*vidsw[adp->va_index]->load_palette)(adp, (u_char *)&bmp_info.palette);
-
-#if 0
-#ifndef PC98
-    /* XXX: this is ugly, but necessary for EGA/VGA 1bpp/4bpp modes */
-    if ((adp->va_type == KD_EGA) || (adp->va_type == KD_VGA)) {
-	inb(adp->va_crtc_addr + 6);		/* reset flip-flop */
-	outb(ATC, 0x14);
-	outb(ATC, 0);
-	for (i = 0; i < 16; ++i) {
-	    outb(ATC, i);
-	    outb(ATC, i);
-	}
-	inb(adp->va_crtc_addr + 6);		/* reset flip-flop */
-	outb(ATC, 0x20);			/* enable palette */
-
-	outw(GDCIDX, 0x0f01);			/* set/reset enable */
-
-	if (bmp_info.sdepth == 1)
-	    outw(TSIDX, 0x0102);		/* unmask plane #0 */
-    }
-#endif
-#endif
-
-    for (line = 0; (line < bmp_info.height) && bmp_info.index; line++) {
-	bmp_DecodeLine(&bmp_info, line);
-    }
-    return(0);
-}
diff --git a/sys/modules/splash/pcx/Makefile b/sys/modules/splash/pcx/Makefile
index 597852c..188dafc 100644
--- a/sys/modules/splash/pcx/Makefile
+++ b/sys/modules/splash/pcx/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.PATH:	${.CURDIR}/../../../dev/fb
+
 KMOD=	splash_pcx
 SRCS=	splash_pcx.c
 
diff --git a/sys/modules/splash/pcx/splash_pcx.c b/sys/modules/splash/pcx/splash_pcx.c
deleted file mode 100644
index 92dceb4..0000000
--- a/sys/modules/splash/pcx/splash_pcx.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/*-
- * Copyright (c) 1999 Michael Smith <msmith@freebsd.org>
- * Copyright (c) 1999 Kazutaka YOKOTA <yokota@freebsd.org>
- * Copyright (c) 1999 Dag-Erling Coïdan Smørgrav
- * 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
- *    in this position and unchanged.
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/linker.h>
-#include <sys/module.h>
-#include <sys/fbio.h>
-
-#include <dev/fb/fbreg.h>
-#include <dev/fb/splashreg.h>
-
-#define FADE_TIMEOUT	300	/* sec */
-
-static int splash_mode = -1;
-static int splash_on = FALSE;
-
-static int pcx_start(video_adapter_t *adp);
-static int pcx_end(video_adapter_t *adp);
-static int pcx_splash(video_adapter_t *adp, int on);
-static int pcx_init(char *data, int sdepth);
-static int pcx_draw(video_adapter_t *adp);
-
-static splash_decoder_t pcx_decoder = {
-    "splash_pcx", pcx_start, pcx_end, pcx_splash, SPLASH_IMAGE,
-};
-
-SPLASH_DECODER(splash_pcx, pcx_decoder);
-
-static struct
-{
-    int		  width, height, bpsl;
-    int		  bpp, planes, zlen;
-    const u_char *zdata;
-    u_char	 *palette;
-} pcx_info;
-
-static int 
-pcx_start(video_adapter_t *adp)
-{
-    static int modes[] = {
-	M_VGA_CG320,
-	M_VESA_CG640x480,
-	M_VESA_CG800x600,
-	M_VESA_CG1024x768,
-	-1,
-    };
-    video_info_t info;
-    int	i;
-
-    if (pcx_decoder.data == NULL
-	|| pcx_decoder.data_size <= 0
-	|| pcx_init((u_char *)pcx_decoder.data, pcx_decoder.data_size))
-	return ENODEV;
-
-    if (bootverbose)
-	printf("splash_pcx: image good:\n"
-	       "  width = %d\n"
-	       "  height = %d\n"
-	       "  depth = %d\n"
-	       "  planes = %d\n",
-	       pcx_info.width, pcx_info.height,
-	       pcx_info.bpp, pcx_info.planes);
-    
-    for (i = 0; modes[i] >= 0; ++i) {
-	if (get_mode_info(adp, modes[i], &info) != 0)
-	    continue;
-	if (bootverbose)
-	    printf("splash_pcx: considering mode %d:\n"
-		   "  vi_width = %d\n"
-		   "  vi_height = %d\n"
-		   "  vi_depth = %d\n"
-		   "  vi_planes = %d\n",
-		   modes[i],
-		   info.vi_width, info.vi_height,
-		   info.vi_depth, info.vi_planes);	    
-	if (info.vi_width >= pcx_info.width
-	    && info.vi_height >= pcx_info.height
-	    && info.vi_depth == pcx_info.bpp
-	    && info.vi_planes == pcx_info.planes)
-	    break;
-    }
-    
-    splash_mode = modes[i];
-    if (splash_mode == -1)
-	return ENODEV;    
-    if (bootverbose)
-	printf("pcx_splash: selecting mode %d\n", splash_mode);
-    return 0;
-}
-
-static int
-pcx_end(video_adapter_t *adp)
-{
-    /* nothing to do */
-    return 0;
-}
-
-static int
-pcx_splash(video_adapter_t *adp, int on)
-{
-    if (on) {
-	if (!splash_on) {
-	    if (set_video_mode(adp, splash_mode) || pcx_draw(adp))
-		return 1;
-	    splash_on = TRUE;
-	}
-	return 0;
-    } else {
-	splash_on = FALSE;
-	return 0;
-    }
-}
-
-struct pcxheader {
-    u_char manufactor;
-    u_char version;
-    u_char encoding;
-    u_char bpp;
-    u_short xmin, ymin, xmax, ymax;
-    u_short hres, vres;
-    u_char colormap[48];
-    u_char rsvd;
-    u_char nplanes;
-    u_short bpsl;
-    u_short palinfo;
-    u_short hsize, vsize;
-};
-
-#define MAXSCANLINE 1024
-
-static int
-pcx_init(char *data, int size)
-{
-    const struct pcxheader *hdr;
-
-    hdr = (const struct pcxheader *)data;
-
-    if (size < 128 + 1 + 1 + 768
-	|| hdr->manufactor != 10
-	|| hdr->version != 5
-	|| hdr->encoding != 1
-	|| hdr->nplanes != 1
-	|| hdr->bpp != 8
-	|| hdr->bpsl > MAXSCANLINE
-	|| data[size-769] != 12) {
-	printf("splash_pcx: invalid PCX image\n");
-	return 1;
-    }
-    pcx_info.width =  hdr->xmax - hdr->xmin + 1;
-    pcx_info.height =  hdr->ymax - hdr->ymin + 1;
-    pcx_info.bpsl = hdr->bpsl;
-    pcx_info.bpp = hdr->bpp;
-    pcx_info.planes = hdr->nplanes;
-    pcx_info.zlen = size - (128 + 1 + 768);
-    pcx_info.zdata = data + 128;
-    pcx_info.palette = data + size - 768;
-    return 0;
-}
-
-static int
-pcx_draw(video_adapter_t *adp)
-{
-    u_char *vidmem;
-    int swidth, sheight, sbpsl, sdepth, splanes;
-    int banksize, origin;
-    int c, i, j, pos, scan, x, y;
-    u_char line[MAXSCANLINE];
-    
-    if (pcx_info.zlen < 1)
-	return 1;
-
-    load_palette(adp, pcx_info.palette);
-    
-    vidmem = (u_char *)adp->va_window;
-    swidth = adp->va_info.vi_width;
-    sheight = adp->va_info.vi_height;
-    sbpsl = adp->va_line_width;
-    sdepth = adp->va_info.vi_depth;
-    splanes = adp->va_info.vi_planes;
-    banksize = adp->va_window_size;
-    
-    for (origin = 0; origin < sheight*sbpsl; origin += banksize) {
-	set_origin(adp, origin);
-	bzero(vidmem, banksize);	
-    }
-    
-    x = (swidth - pcx_info.width) / 2;
-    y = (sheight - pcx_info.height) / 2;
-    origin = 0;
-    pos = y * sbpsl + x;
-    while (pos > banksize) {
-	pos -= banksize;
-	origin += banksize;
-    }
-    set_origin(adp, origin);
-    
-    for (scan = i = 0; scan < pcx_info.height; ++scan, ++y, pos += sbpsl) {
-	for (j = 0; j < pcx_info.bpsl && i < pcx_info.zlen; ++i) {
-	    if ((pcx_info.zdata[i] & 0xc0) == 0xc0) {
-		c = pcx_info.zdata[i++] & 0x3f;
-		if (i >= pcx_info.zlen)
-		    return 1;
-	    } else {
-		c = 1;
-	    }
-	    if (j + c > pcx_info.bpsl)
-		return 1;
-	    while (c--)
-		line[j++] = pcx_info.zdata[i];
-	}
-
-	if (pos > banksize) {
-	    origin += banksize;
-	    pos -= banksize;
-	    set_origin(adp, origin);
-	}
-
-	if (pos + pcx_info.width > banksize) {
-	    /* scanline crosses bank boundary */
-	    j = banksize - pos;
-	    bcopy(line, vidmem + pos, j);
-	    origin += banksize;
-	    pos -= banksize;
-	    set_origin(adp, origin);
-	    bcopy(line + j, vidmem, pcx_info.width - j);
-	} else {
-	    bcopy(line, vidmem + pos, pcx_info.width);
-	}
-    }
-
-    return 0;
-}