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Commit 67f42795 authored by James Simmons's avatar James Simmons
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Accel wrapper is now intergarted into fbcon.c. VESA fb fixes

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Documentation/fb/internals.txt
View file @ 67f42795
......@@ -3,6 +3,7 @@ This is a first start for some documentation about frame buffer device
internals.
Geert Uytterhoeven <geert@linux-m68k.org>, 21 July 1998
James Simmons <jsimmons@user.sf.net>, Nov 26 2002
--------------------------------------------------------------------------------
......@@ -44,10 +45,6 @@ are defined in <linux/fb.h>.
Device dependent information that uniquely defines the video mode for this
particular piece of hardware.
- struct display
Interface between the frame buffer device and the console driver.
--------------------------------------------------------------------------------
......
drivers/video/Kconfig
View file @ 67f42795
......@@ -336,13 +336,18 @@ config FB_TGA
config FB_VESA
bool "VESA VGA graphics console"
depends on FB && X86
depends on FB && (X86 || X86_64)
help
This is the frame buffer device driver for generic VESA 2.0
compliant graphic cards. The older VESA 1.2 cards are not supported.
You will get a boot time penguin logo at no additional cost. Please
read <file:Documentation/fb/vesafb.txt>. If unsure, say Y.
config VIDEO_SELECT
bool
depends on FB_VESA
default y
config FB_HGA
tristate "Hercules mono graphics console"
depends on FB && X86
......
drivers/video/Makefile
View file @ 67f42795
......@@ -75,7 +75,7 @@ obj-$(CONFIG_FB_ATY) += aty/ cfbimgblt.o
obj-$(CONFIG_FB_SUN3) += sun3fb.o
obj-$(CONFIG_FB_BWTWO) += bwtwofb.o
obj-$(CONFIG_FB_HGA) += hgafb.o
obj-$(CONFIG_FB_HGA) += hgafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_SA1100) += sa1100fb.o
obj-$(CONFIG_FB_VIRTUAL) += vfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_HIT) += hitfb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
......
drivers/video/console/Kconfig
View file @ 67f42795
......@@ -27,6 +27,7 @@ config VGA_CONSOLE
config VIDEO_SELECT
bool "Video mode selection support"
depends on (X86 || X86_64) && VGA_CONSOLE
---help---
This enables support for text mode selection on kernel startup. If
you want to take advantage of some high-resolution text mode your
......
drivers/video/console/fbcon.c
View file @ 67f42795
......@@ -100,9 +100,6 @@
#include <asm/linux_logo.h>
#include "fbcon.h"
#ifdef CONFIG_FBCON_ACCEL
#include "fbcon-accel.h"
#endif
#include "font.h"
#ifdef FBCONDEBUG
......@@ -2487,16 +2484,12 @@ static int __init fbcon_show_logo(void)
struct display *p = &fb_display[fg_console]; /* draw to vt in foreground */
struct fb_info *info = p->fb_info;
struct vc_data *vc = info->display_fg;
#ifdef CONFIG_FBCON_ACCEL
struct fb_image image;
u32 *palette = NULL, *saved_palette = NULL;
#endif
int depth = info->var.bits_per_pixel;
int line = info->fix.line_length;
unsigned char *fb = info->screen_base;
unsigned char *logo;
unsigned char *dst, *src;
int i, j, n, x1, y1, x;
int i, j, n, x;
int logo_depth, done = 0;
/* Return if the frame buffer is not mapped */
......@@ -2543,7 +2536,6 @@ static int __init fbcon_show_logo(void)
logo_depth = 1;
}
#if defined(CONFIG_FBCON_ACCEL)
if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
unsigned char mask[9] =
{ 0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };
......@@ -2593,157 +2585,22 @@ static int __init fbcon_show_logo(void)
image.depth = depth;
image.data = logo;
image.dy = 0;
#endif
for (x = 0; x < num_online_cpus() * (LOGO_W + 8) &&
x < info->var.xres - (LOGO_W + 8); x += (LOGO_W + 8)) {
#if defined (CONFIG_FBCON_ACCEL)
image.dx = x;
info->fbops->fb_imageblit(info, &image);
done = 1;
#endif
#if defined(CONFIG_FBCON_AFB) || defined(CONFIG_FBCON_ILBM) || \
defined(CONFIG_FBCON_IPLAN2P2) || defined(CONFIG_FBCON_IPLAN2P4) || \
defined(CONFIG_FBCON_IPLAN2P8)
if (depth >= 2 && (info->fix.type == FB_TYPE_PLANES ||
info->fix.type ==
FB_TYPE_INTERLEAVED_PLANES)) {
/* planes (normal or interleaved), with color registers */
int bit;
unsigned char val, mask;
#if defined(CONFIG_FBCON_IPLAN2P2) || defined(CONFIG_FBCON_IPLAN2P4) || \
defined(CONFIG_FBCON_IPLAN2P8)
int line_length = info->fix.line_length;
/* for support of Atari interleaved planes */
#define MAP_X(x) (line_length ? (x) : ((x) & ~1)*depth + ((x) & 1))
#else
#define MAP_X(x) (x)
#endif
/* extract a bit from the source image */
#define BIT(p,pix,bit) (p[pix*logo_depth/8] & \
(1 << ((8-((pix*logo_depth)&7)-logo_depth) + bit)))
src = logo;
for (y1 = 0; y1 < LOGO_H; y1++) {
for (x1 = 0; x1 < LOGO_LINE;
x1++, src += logo_depth) {
dst =
fb + y1 * line + MAP_X(x / 8 +
x1);
for (bit = 0; bit < logo_depth;
bit++) {
val = 0;
for (mask = 0x80, i = 0;
i < 8;
mask >>= 1, i++) {
if (BIT
(src, i, bit))
val |=
mask;
}
*dst = val;
dst += plane;
}
}
}
/* fill remaining planes */
if (depth > logo_depth) {
for (y1 = 0; y1 < LOGO_H; y1++) {
for (x1 = 0; x1 < LOGO_LINE; x1++) {
dst =
fb + y1 * line +
MAP_X(x / 8 + x1) +
logo_depth * plane;
for (i = logo_depth;
i < depth;
i++, dst += plane)
*dst = 0x00;
}
}
}
done = 1;
break;
}
#endif
#if defined(CONFIG_FBCON_ILBM) || defined(CONFIG_FBCON_AFB)
if (depth == 1
&& (info->fix.type == FB_TYPE_PACKED_PIXELS
|| info->fix.type == FB_TYPE_PLANES
|| info->fix.type == FB_TYPE_INTERLEAVED_PLANES)) {
/* monochrome */
unsigned char inverse = p->inverse
|| info->fix.visual ==
FB_VISUAL_MONO01 ? 0x00 : 0xff;
int is_hga = !strncmp(info->fix.id, "HGA", 3);
/* can't use simply memcpy because need to apply inverse */
for (y1 = 0; y1 < LOGO_H; y1++) {
src = logo + y1 * LOGO_LINE;
if (is_hga)
dst =
fb + (y1 % 4) * 8192 +
(y1 >> 2) * line + x / 8;
else
dst = fb + y1 * line + x / 8;
for (x1 = 0; x1 < LOGO_LINE; ++x1)
fb_writeb(*src++ ^ inverse, dst++);
}
done = 1;
}
#endif
#if defined(CONFIG_FBCON_VGA_PLANES)
if (depth == 4 && info->fix.type == FB_TYPE_VGA_PLANES) {
outb_p(1, 0x3ce);
outb_p(0xf, 0x3cf);
outb_p(3, 0x3ce);
outb_p(0, 0x3cf);
outb_p(5, 0x3ce);
outb_p(0, 0x3cf);
src = logo;
for (y1 = 0; y1 < LOGO_H; y1++) {
for (x1 = 0; x1 < LOGO_W / 2; x1++) {
dst =
fb + y1 * line + x1 / 4 +
x / 8;
outb_p(0, 0x3ce);
outb_p(*src >> 4, 0x3cf);
outb_p(8, 0x3ce);
outb_p(1 << (7 - x1 % 4 * 2),
0x3cf);
fb_readb(dst);
fb_writeb(0, dst);
outb_p(0, 0x3ce);
outb_p(*src & 0xf, 0x3cf);
outb_p(8, 0x3ce);
outb_p(1 << (7 - (1 + x1 % 4 * 2)),
0x3cf);
fb_readb(dst);
fb_writeb(0, dst);
src++;
}
}
done = 1;
}
#endif
}
#if defined (CONFIG_FBCON_ACCEL)
if (palette != NULL)
kfree(palette);
if (saved_palette != NULL)
info->pseudo_palette = saved_palette;
#endif
/* Modes not yet supported: packed pixels with depth != 8 (does such a
* thing exist in reality?) */
/*
* Modes not yet supported: packed pixels with depth != 8 (does such a
* thing exist in reality?)
*/
return done ? (LOGO_H + vc->vc_font.height - 1) / vc->vc_font.height : 0;
}
......
drivers/video/console/fonts.c
View file @ 67f42795
......@@ -33,9 +33,7 @@ static struct fbcon_font_desc *fbcon_fonts[] = {
&font_vga_8x16,
#endif
#ifdef CONFIG_FONT_6x11
#if defined(CONFIG_FBCON_ACCEL) || defined(CONFIG_FB_SBUS)
#undef NO_FONTS
#endif
&font_vga_6x11,
#endif
#ifdef CONFIG_FONT_SUN8x16
......@@ -43,9 +41,7 @@ static struct fbcon_font_desc *fbcon_fonts[] = {
&font_sun_8x16,
#endif
#ifdef CONFIG_FONT_SUN12x22
#if defined(CONFIG_FB_SBUS) || defined(CONFIG_FBCON_CFB8) || defined(CONFIG_FBCON_CFB16) || defined(CONFIG_FBCON_CFB24) || defined(CONFIG_FBCON_CFB32) || defined(CONFIG_FBCON_ACCEL)
#undef NO_FONTS
#endif
&font_sun_12x22,
#endif
#ifdef CONFIG_FONT_ACORN_8x8
......
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