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Commit 0458af5e authored by James Simmons's avatar James Simmons
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Moved VESA framebuffer driver over to new fbdev api

parent 4cc4c697
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Showing with 517 additions and 338 deletions
drivers/video/Makefile
View file @ 0458af5e
......@@ -69,7 +69,7 @@ obj-$(CONFIG_FB_RETINAZ3) += retz3fb.o
obj-$(CONFIG_FB_CLGEN) += clgenfb.o
obj-$(CONFIG_FB_S3TRIO) += S3triofb.o
obj-$(CONFIG_FB_TGA) += tgafb.o
obj-$(CONFIG_FB_VESA) += vesafb.o
obj-$(CONFIG_FB_VESA) += vesafb.o cfbfillrect.o cfbcopyarea.o cfbimgblt.o
obj-$(CONFIG_FB_VGA16) += vga16fb.o fbcon-vga-planes.o
obj-$(CONFIG_FB_VIRGE) += virgefb.o
obj-$(CONFIG_FB_G364) += g364fb.o
......@@ -138,6 +138,7 @@ obj-$(CONFIG_FBCON_MFB) += fbcon-mfb.o
obj-$(CONFIG_FBCON_VGA) += fbcon-vga.o
obj-$(CONFIG_FBCON_HGA) += fbcon-hga.o
obj-$(CONFIG_FBCON_STI) += fbcon-sti.o
obj-$(CONFIG_FBCON_ACCEL) += fbcon-accel.o
include $(TOPDIR)/Rules.make
......
drivers/video/cfbcopyarea.c 0 → 100644
View file @ 0458af5e
/*
* Generic function for frame buffer with packed pixels of any depth.
*
* Copyright (C) June 1999 James Simmons
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
* NOTES:
*
* This is for cfb packed pixels. Iplan and such are incorporated in the
* drivers that need them.
*
* FIXME
* The code for 24 bit is horrible. It copies byte by byte size instead of
* longs like the other sizes. Needs to be optimized.
*
* Also need to add code to deal with cards endians that are different than
* the native cpu endians. I also need to deal with MSB position in the word.
*
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/fb.h>
#include <linux/slab.h>
#include <asm/types.h>
#include <asm/io.h>
#include <video/fbcon.h>
void cfb_copyarea(struct fb_info *p, struct fb_copyarea *area)
{
int x2, y2, lineincr, shift, shift_right, shift_left, old_dx, old_dy;
int n, j, linesize = p->fix.line_length, bpl = sizeof(unsigned long);
unsigned long start_index, end_index, start_mask, end_mask, last;
unsigned long *dst = NULL, *src = NULL;
char *src1, *dst1;
int tmp, height;
/* clip the destination */
old_dx = area->dx;
old_dy = area->dy;
/*
* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly.
*/
x2 = area->dx + area->width;
y2 = area->dy + area->height;
area->dx = area->dx > 0 ? area->dx : 0;
area->dy = area->dy > 0 ? area->dy : 0;
x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
area->width = x2 - area->dx;
area->height = y2 - area->dy;
/* update sx1,sy1 */
area->sx += (area->dx - old_dx);
area->sy += (area->dy - old_dy);
height = area->height;
/* the source must be completely inside the virtual screen */
if (area->sx < 0 || area->sy < 0 ||
(area->sx + area->width) > p->var.xres_virtual ||
(area->sy + area->height) > p->var.yres_virtual)
return;
if (area->dy < area->sy
|| (area->dy == area->sy && area->dx < area->sx)) {
/* start at the top */
src1 = p->screen_base + area->sy * linesize +
((area->sx * p->var.bits_per_pixel) >> 3);
dst1 = p->screen_base + area->dy * linesize +
((area->dx * p->var.bits_per_pixel) >> 3);
lineincr = linesize;
} else {
/* start at the bottom */
src1 = p->screen_base + (area->sy + area->height-1) * linesize
+ (((area->sx + area->width - 1) * p->var.bits_per_pixel) >> 3);
dst1 = p->screen_base + (area->dy + area->height-1) * linesize
+ (((area->dx + area->width - 1) * p->var.bits_per_pixel) >> 3);
lineincr = -linesize;
}
if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
int ppw = BITS_PER_LONG / p->var.bits_per_pixel;
int n = ((area->width * p->var.bits_per_pixel) >> 3);
start_index = ((unsigned long) src1 & (bpl - 1));
end_index = ((unsigned long) (src1 + n) & (bpl - 1));
shift = ((unsigned long) dst1 & (bpl - 1)) -
((unsigned long) src1 & (bpl - 1));
start_mask = end_mask = 0;
if (start_index) {
start_mask = -1 >> (start_index << 3);
n -= (bpl - start_index);
}
if (end_index) {
end_mask = -1 << ((bpl - end_index) << 3);
n -= end_index;
}
n = n / bpl;
if (n <= 0) {
if (start_mask) {
if (end_mask)
end_mask &= start_mask;
else
end_mask = start_mask;
start_mask = 0;
}
n = 0;
}
if (shift) {
if (shift > 0) {
/* dest is over to right more */
shift_right =
shift * p->var.bits_per_pixel;
shift_left =
(ppw - shift) * p->var.bits_per_pixel;
} else {
/* source is to the right more */
shift_right =
(ppw + shift) * p->var.bits_per_pixel;
shift_left =
-shift * p->var.bits_per_pixel;
}
/* general case, positive increment */
if (lineincr > 0) {
if (shift < 0)
n++;
do {
dst = (unsigned long *) dst1;
src = (unsigned long *) src1;
last = (fb_readl(src) & start_mask);
if (shift > 0)
fb_writel(fb_readl(dst) | (last >> shift_right), dst);
for (j = 0; j < n; j++) {
dst++;
tmp = fb_readl(src);
src++;
fb_writel((last << shift_left) | (tmp >> shift_right), dst);
last = tmp;
src++;
}
fb_writel(fb_readl(dst) | (last << shift_left), dst);
src1 += lineincr;
dst1 += lineincr;
} while (--height);
} else {
/* general case, negative increment */
if (shift > 0)
n++;
do {
dst = (unsigned long *) dst1;
src = (unsigned long *) src1;
last = (fb_readl(src) & end_mask);
if (shift < 0)
fb_writel(fb_readl(dst) | (last >> shift_right), dst);
for (j = 0; j < n; j++) {
dst--;
tmp = fb_readl(src);
src--;
fb_writel((tmp << shift_left) | (last >> shift_right), dst);
last = tmp;
src--;
}
fb_writel(fb_readl(dst) | (last >> shift_right), dst);
src1 += lineincr;
dst1 += lineincr;
} while (--height);
}
} else {
/* no shift needed */
if (lineincr > 0) {
/* positive increment */
do {
dst = (unsigned long *) (dst1 - start_index);
src = (unsigned long *) (src1 - start_index);
if (start_mask)
fb_writel(fb_readl(src) | start_mask, dst);
for (j = 0; j < n; j++) {
fb_writel(fb_readl(src), dst);
dst++;
src++;
}
if (end_mask)
fb_writel(fb_readl(src) | end_mask, dst);
src1 += lineincr;
dst1 += lineincr;
} while (--height);
} else {
/* negative increment */
do {
dst = (unsigned long *) dst1;
src = (unsigned long *) src1;
if (start_mask)
fb_writel(fb_readl(src) | start_mask, dst);
for (j = 0; j < n; j++) {
fb_writel(fb_readl(src), dst);
dst--;
src--;
}
src1 += lineincr;
dst1 += lineincr;
} while (--height);
}
}
}
}
drivers/video/cfbfillrect.c 0 → 100644
View file @ 0458af5e
/*
* Generic fillrect for frame buffers with packed pixels of any depth.
*
* Copyright (C) 2000 James Simmons (jsimmons@linux-fbdev.org)
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
* NOTES:
*
* The code for depths like 24 that don't have integer number of pixels per
* long is broken and needs to be fixed. For now I turned these types of
* mode off.
*
* Also need to add code to deal with cards endians that are different than
* the native cpu endians. I also need to deal with MSB position in the word.
*
*/
#include <linux/string.h>
#include <linux/fb.h>
#include <asm/types.h>
#include <video/fbcon.h>
void cfb_fillrect(struct fb_info *p, struct fb_fillrect *rect)
{
unsigned long start_index, end_index, start_mask = 0, end_mask = 0;
unsigned long height, ppw, fg, fgcolor;
int i, n, x2, y2, linesize = p->fix.line_length;
int bpl = sizeof(unsigned long);
unsigned long *dst;
char *dst1;
if (!rect->width || !rect->height)
return;
/* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly. */
x2 = rect->dx + rect->width;
y2 = rect->dy + rect->height;
x2 = x2 < p->var.xres_virtual ? x2 : p->var.xres_virtual;
y2 = y2 < p->var.yres_virtual ? y2 : p->var.yres_virtual;
rect->width = x2 - rect->dx;
height = y2 - rect->dy;
/* Size of the scanline in bytes */
n = (rect->width * (p->var.bits_per_pixel >> 3));
ppw = BITS_PER_LONG / p->var.bits_per_pixel;
dst1 = p->screen_base + (rect->dy * linesize) +
(rect->dx * (p->var.bits_per_pixel >> 3));
start_index = ((unsigned long) dst1 & (bpl - 1));
end_index = ((unsigned long) (dst1 + n) & (bpl - 1));
if (p->fix.visual == FB_VISUAL_TRUECOLOR)
fg = fgcolor = ((u32 *) (p->pseudo_palette))[rect->color];
else
fg = fgcolor = rect->color;
for (i = 0; i < ppw - 1; i++) {
fg <<= p->var.bits_per_pixel;
fg |= fgcolor;
}
if (start_index) {
start_mask = fg << (start_index << 3);
n -= (bpl - start_index);
}
if (end_index) {
end_mask = fg >> ((bpl - end_index) << 3);
n -= end_index;
}
n = n / bpl;
if (n <= 0) {
if (start_mask) {
if (end_mask)
end_mask &= start_mask;
else
end_mask = start_mask;
start_mask = 0;
}
n = 0;
}
if ((BITS_PER_LONG % p->var.bits_per_pixel) == 0) {
switch (rect->rop) {
case ROP_COPY:
do {
/* Word align to increases performace :-) */
dst = (unsigned long *) (dst1 - start_index);
if (start_mask) {
#if BITS_PER_LONG == 32
fb_writel(fb_readl(dst) |
start_mask, dst);
#else
fb_writeq(fb_readq(dst) |
start_mask, dst);
#endif
dst++;
}
for (i = 0; i < n; i++) {
#if BITS_PER_LONG == 32
fb_writel(fg, dst);
#else
fb_writeq(fg, dst);
#endif
dst++;
}
if (end_mask)
#if BITS_PER_LONG == 32
fb_writel(fb_readl(dst) | end_mask,
dst);
#else
fb_writeq(fb_readq(dst) | end_mask,
dst);
#endif
dst1 += linesize;
} while (--height);
break;
case ROP_XOR:
do {
dst = (unsigned long *) (dst1 - start_index);
if (start_mask) {
#if BITS_PER_LONG == 32
fb_writel(fb_readl(dst) ^
start_mask, dst);
#else
fb_writeq(fb_readq(dst) ^
start_mask, dst);
#endif
dst++;
}
for (i = 0; i < n; i++) {
#if BITS_PER_LONG == 32
fb_writel(fb_readl(dst) ^ fg, dst);
#else
fb_writeq(fb_readq(dst) ^ fg, dst);
#endif
dst++;
}
if (end_mask) {
#if BITS_PER_LONG == 32
fb_writel(fb_readl(dst) ^ end_mask,
dst);
#else
fb_writeq(fb_readq(dst) ^ end_mask,
dst);
#endif
}
dst1 += linesize;
} while (--height);
break;
}
} else {
/* Odd modes like 24 or 80 bits per pixel */
start_mask = fg >> (start_index * p->var.bits_per_pixel);
end_mask = fg << (end_index * p->var.bits_per_pixel);
/* start_mask =& PFILL24(x1,fg);
end_mask_or = end_mask & PFILL24(x1+width-1,fg); */
n = (rect->width - start_index - end_index) / ppw;
switch (rect->rop) {
case ROP_COPY:
do {
dst = (unsigned long *) dst1;
if (start_mask)
*dst |= start_mask;
if ((start_index + rect->width) > ppw)
dst++;
/* XXX: slow */
for (i = 0; i < n; i++) {
*dst++ = fg;
}
if (end_mask)
*dst |= end_mask;
dst1 += linesize;
} while (--height);
break;
case ROP_XOR:
do {
dst = (unsigned long *) dst1;
if (start_mask)
*dst ^= start_mask;
if ((start_mask + rect->width) > ppw)
dst++;
for (i = 0; i < n; i++) {
*dst++ ^= fg; /* PFILL24(fg,x1+i); */
}
if (end_mask)
*dst ^= end_mask;
dst1 += linesize;
} while (--height);
break;
}
}
return;
}
drivers/video/vesafb.c
View file @ 0458af5e
......@@ -26,71 +26,28 @@
#include <asm/mtrr.h>
#include <video/fbcon.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb16.h>
#include <video/fbcon-cfb24.h>
#include <video/fbcon-cfb32.h>
#include <video/fbcon-mac.h>
#define dac_reg (0x3c8)
#define dac_val (0x3c9)
/* --------------------------------------------------------------------- */
/*
* card parameters
*/
/* card */
unsigned long video_base; /* physical addr */
int video_size;
char *video_vbase; /* mapped */
/* mode */
static int video_bpp;
static int video_width;
static int video_height;
static int video_height_virtual;
static int video_type = FB_TYPE_PACKED_PIXELS;
static int video_visual;
static int video_linelength;
static int video_cmap_len;
/* --------------------------------------------------------------------- */
static struct fb_var_screeninfo vesafb_defined = {
0,0,0,0, /* W,H, W, H (virtual) load xres,xres_virtual*/
0,0, /* virtual -> visible no offset */
8, /* depth -> load bits_per_pixel */
0, /* greyscale ? */
{0,0,0}, /* R */
{0,0,0}, /* G */
{0,0,0}, /* B */
{0,0,0}, /* transparency */
0, /* standard pixel format */
FB_ACTIVATE_NOW,
-1,-1,
0,
0L,0L,0L,0L,0L,
0L,0L,0, /* No sync info */
FB_VMODE_NONINTERLACED,
{0,0,0,0,0,0}
activate: FB_ACTIVATE_NOW,
height: -1,
width: -1,
vmode: FB_VMODE_NONINTERLACED,
};
static struct fb_fix_screeninfo vesafb_fix = {
id: "VESA VGA",
type: FB_TYPE_PACKED_PIXELS,
accel: FB_ACCEL_NONE,
};
static struct display disp;
static struct fb_info fb_info;
static struct { u_short blue, green, red, pad; } palette[256];
static union {
#ifdef FBCON_HAS_CFB16
u16 cfb16[16];
#endif
#ifdef FBCON_HAS_CFB24
u32 cfb24[16];
#endif
#ifdef FBCON_HAS_CFB32
u32 cfb32[16];
#endif
} fbcon_cmap;
static u32 pseudo_palette[17];
static int inverse = 0;
static int mtrr = 0;
......@@ -101,8 +58,6 @@ static unsigned short *pmi_base = 0;
static void (*pmi_start)(void);
static void (*pmi_pal)(void);
static struct display_switch vesafb_sw;
/* --------------------------------------------------------------------- */
static int vesafb_pan_display(struct fb_var_screeninfo *var, int con,
......@@ -119,7 +74,7 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var, int con,
if ((ypan==1) && var->yoffset+var->yres > var->yres_virtual)
return -EINVAL;
offset = (var->yoffset * video_linelength + var->xoffset) / 4;
offset = (var->yoffset * info->fix.line_length + var->xoffset) / 4;
__asm__ __volatile__(
"call *(%%edi)"
......@@ -132,172 +87,6 @@ static int vesafb_pan_display(struct fb_var_screeninfo *var, int con,
return 0;
}
static int vesafb_update_var(int con, struct fb_info *info)
{
if (con == info->currcon && ypan) {
struct fb_var_screeninfo *var = &fb_display[info->currcon].var;
return vesafb_pan_display(var,con,info);
}
return 0;
}
static int vesafb_get_fix(struct fb_fix_screeninfo *fix, int con,
struct fb_info *info)
{
memset(fix, 0, sizeof(struct fb_fix_screeninfo));
strcpy(fix->id,"VESA VGA");
fix->smem_start=video_base;
fix->smem_len=video_size;
fix->type = video_type;
fix->visual = video_visual;
fix->xpanstep = 0;
fix->ypanstep = ypan ? 1 : 0;
fix->ywrapstep = (ypan>1) ? 1 : 0;
fix->line_length=video_linelength;
return 0;
}
static int vesafb_get_var(struct fb_var_screeninfo *var, int con,
struct fb_info *info)
{
if(con==-1)
memcpy(var, &vesafb_defined, sizeof(struct fb_var_screeninfo));
else
*var=fb_display[con].var;
return 0;
}
static void vesafb_set_disp(int con)
{
struct fb_fix_screeninfo fix;
struct display *display;
struct display_switch *sw;
if (con >= 0)
display = &fb_display[con];
else
display = &disp; /* used during initialization */
vesafb_get_fix(&fix, con, 0);
memset(display, 0, sizeof(struct display));
display->visual = fix.visual;
display->type = fix.type;
display->type_aux = fix.type_aux;
display->ypanstep = fix.ypanstep;
display->ywrapstep = fix.ywrapstep;
display->line_length = fix.line_length;
display->next_line = fix.line_length;
display->can_soft_blank = 0;
display->inverse = inverse;
vesafb_get_var(&display->var, -1, &fb_info);
switch (video_bpp) {
#ifdef FBCON_HAS_CFB8
case 8:
sw = &fbcon_cfb8;
break;
#endif
#ifdef FBCON_HAS_CFB16
case 15:
case 16:
sw = &fbcon_cfb16;
display->dispsw_data = fbcon_cmap.cfb16;
break;
#endif
#ifdef FBCON_HAS_CFB24
case 24:
sw = &fbcon_cfb24;
display->dispsw_data = fbcon_cmap.cfb24;
break;
#endif
#ifdef FBCON_HAS_CFB32
case 32:
sw = &fbcon_cfb32;
display->dispsw_data = fbcon_cmap.cfb32;
break;
#endif
default:
#ifdef FBCON_HAS_MAC
sw = &fbcon_mac;
break;
#else
sw = &fbcon_dummy;
return;
#endif
}
memcpy(&vesafb_sw, sw, sizeof(*sw));
display->dispsw = &vesafb_sw;
if (!ypan) {
display->scrollmode = SCROLL_YREDRAW;
vesafb_sw.bmove = fbcon_redraw_bmove;
}
}
static int vesafb_set_var(struct fb_var_screeninfo *var, int con,
struct fb_info *info)
{
static int first = 1;
if (var->xres != vesafb_defined.xres ||
var->yres != vesafb_defined.yres ||
var->xres_virtual != vesafb_defined.xres_virtual ||
var->yres_virtual > video_height_virtual ||
var->yres_virtual < video_height ||
var->xoffset ||
var->bits_per_pixel != vesafb_defined.bits_per_pixel ||
var->nonstd) {
if (first) {
printk(KERN_ERR "Vesafb does not support changing the video mode\n");
first = 0;
}
return -EINVAL;
}
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_TEST)
return 0;
if (ypan) {
if (vesafb_defined.yres_virtual != var->yres_virtual) {
vesafb_defined.yres_virtual = var->yres_virtual;
if (con != -1) {
fb_display[con].var = vesafb_defined;
info->changevar(con);
}
}
if (var->yoffset != vesafb_defined.yoffset)
return vesafb_pan_display(var,con,info);
return 0;
}
if (var->yoffset)
return -EINVAL;
return 0;
}
static int vesa_getcolreg(unsigned regno, unsigned *red, unsigned *green,
unsigned *blue, unsigned *transp,
struct fb_info *fb_info)
{
/*
* Read a single color register and split it into colors/transparent.
* Return != 0 for invalid regno.
*/
if (regno >= video_cmap_len)
return 1;
*red = palette[regno].red;
*green = palette[regno].green;
*blue = palette[regno].blue;
*transp = 0;
return 0;
}
#ifdef FBCON_HAS_CFB8
static void vesa_setpalette(int regno, unsigned red, unsigned green, unsigned blue)
{
struct { u_char blue, green, red, pad; } entry;
......@@ -325,11 +114,9 @@ static void vesa_setpalette(int regno, unsigned red, unsigned green, unsigned bl
}
}
#endif
static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp,
struct fb_info *fb_info)
struct fb_info *info)
{
/*
* Set a single color register. The values supplied are
......@@ -338,85 +125,62 @@ static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green,
* != 0 for invalid regno.
*/
if (regno >= video_cmap_len)
if (regno >= info->cmap.len)
return 1;
palette[regno].red = red;
palette[regno].green = green;
palette[regno].blue = blue;
switch (video_bpp) {
#ifdef FBCON_HAS_CFB8
switch (info->var.bits_per_pixel) {
case 8:
vesa_setpalette(regno,red,green,blue);
break;
#endif
#ifdef FBCON_HAS_CFB16
case 15:
case 16:
if (vesafb_defined.red.offset == 10) {
if (info->var.red.offset == 10) {
/* 1:5:5:5 */
fbcon_cmap.cfb16[regno] =
((red & 0xf800) >> 1) |
((green & 0xf800) >> 6) |
((blue & 0xf800) >> 11);
((u32*) (info->pseudo_palette))[regno] =
((red & 0xf800) >> 1) |
((green & 0xf800) >> 6) |
((blue & 0xf800) >> 11);
} else {
/* 0:5:6:5 */
fbcon_cmap.cfb16[regno] =
((red & 0xf800) ) |
((green & 0xfc00) >> 5) |
((blue & 0xf800) >> 11);
((u32*) (info->pseudo_palette))[regno] =
((red & 0xf800) ) |
((green & 0xfc00) >> 5) |
((blue & 0xf800) >> 11);
}
break;
#endif
#ifdef FBCON_HAS_CFB24
case 24:
red >>= 8;
green >>= 8;
blue >>= 8;
fbcon_cmap.cfb24[regno] =
(red << vesafb_defined.red.offset) |
(green << vesafb_defined.green.offset) |
(blue << vesafb_defined.blue.offset);
((u32 *)(info->pseudo_palette))[regno] =
(red << info->var.red.offset) |
(green << info->var.green.offset) |
(blue << info->var.blue.offset);
break;
#endif
#ifdef FBCON_HAS_CFB32
case 32:
red >>= 8;
green >>= 8;
blue >>= 8;
fbcon_cmap.cfb32[regno] =
(red << vesafb_defined.red.offset) |
(green << vesafb_defined.green.offset) |
(blue << vesafb_defined.blue.offset);
((u32 *)(info->pseudo_palette))[regno] =
(red << info->var.red.offset) |
(green << info->var.green.offset) |
(blue << info->var.blue.offset);
break;
#endif
}
return 0;
}
static int vesafb_get_cmap(struct fb_cmap *cmap, int kspc, int con,
struct fb_info *info)
{
if (con == info->currcon) /* current console? */
return fb_get_cmap(cmap, kspc, vesa_getcolreg, info);
else if (fb_display[con].cmap.len) /* non default colormap? */
fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2);
else
fb_copy_cmap(fb_default_cmap(video_cmap_len),
cmap, kspc ? 0 : 2);
return 0;
}
static struct fb_ops vesafb_ops = {
owner: THIS_MODULE,
fb_get_fix: vesafb_get_fix,
fb_get_var: vesafb_get_var,
fb_set_var: vesafb_set_var,
fb_get_cmap: vesafb_get_cmap,
fb_get_fix: gen_get_fix,
fb_get_var: gen_get_var,
fb_set_var: gen_set_var,
fb_get_cmap: gen_get_cmap,
fb_set_cmap: gen_set_cmap,
fb_setcolreg: vesafb_setcolreg,
fb_pan_display: vesafb_pan_display,
fb_fillrect: cfb_fillrect,
fb_copyarea: cfb_copyarea,
fb_imageblit: cfb_imageblit,
};
int __init vesafb_setup(char *options)
......@@ -451,59 +215,46 @@ int __init vesafb_setup(char *options)
return 0;
}
static int vesafb_switch(int con, struct fb_info *info)
{
/* Do we have to save the colormap? */
if (fb_display[info->currcon].cmap.len)
fb_get_cmap(&fb_display[info->currcon].cmap, 1, vesa_getcolreg,
info);
info->currcon = con;
/* Install new colormap */
do_install_cmap(con, info);
vesafb_update_var(con,info);
return 1;
}
int __init vesafb_init(void)
{
int i,j;
int video_cmap_len;
int i;
if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB)
return -ENXIO;
video_base = screen_info.lfb_base;
video_bpp = screen_info.lfb_depth;
if (15 == video_bpp)
video_bpp = 16;
video_width = screen_info.lfb_width;
video_height = screen_info.lfb_height;
video_linelength = screen_info.lfb_linelength;
video_size = screen_info.lfb_size * 65536;
video_visual = (video_bpp == 8) ?
vesafb_fix.smem_start = screen_info.lfb_base;
vesafb_defined.bits_per_pixel = screen_info.lfb_depth;
if (15 == vesafb_defined.bits_per_pixel)
vesafb_defined.bits_per_pixel = 16;
vesafb_defined.xres = screen_info.lfb_width;
vesafb_defined.yres = screen_info.lfb_height;
vesafb_fix.line_length = screen_info.lfb_linelength;
vesafb_fix.smem_len = screen_info.lfb_size * 65536;
vesafb_fix.visual = (vesafb_defined.bits_per_pixel == 8) ?
FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
if (!request_mem_region(video_base, video_size, "vesafb")) {
if (!request_mem_region(vesafb_fix.smem_start, vesafb_fix.smem_len, "vesafb")) {
printk(KERN_WARNING
"vesafb: abort, cannot reserve video memory at 0x%lx\n",
video_base);
vesafb_fix.smem_start);
/* We cannot make this fatal. Sometimes this comes from magic
spaces our resource handlers simply don't know about */
}
video_vbase = ioremap(video_base, video_size);
if (!video_vbase) {
release_mem_region(video_base, video_size);
fb_info.screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len);
if (!fb_info.screen_base) {
release_mem_region(vesafb_fix.smem_start, vesafb_fix.smem_len);
printk(KERN_ERR
"vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",
video_size, video_base);
vesafb_fix.smem_len, vesafb_fix.smem_start);
return -EIO;
}
printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
video_base, video_vbase, video_size/1024);
vesafb_fix.smem_start, fb_info.screen_base, vesafb_fix.smem_len/1024);
printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
video_width, video_height, video_bpp, video_linelength, screen_info.pages);
vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages);
if (screen_info.vesapm_seg) {
printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n",
......@@ -536,32 +287,27 @@ int __init vesafb_init(void)
}
}
vesafb_defined.xres=video_width;
vesafb_defined.yres=video_height;
vesafb_defined.xres_virtual=video_width;
vesafb_defined.yres_virtual=video_size / video_linelength;
vesafb_defined.bits_per_pixel=video_bpp;
if (ypan && vesafb_defined.yres_virtual > video_height) {
vesafb_defined.xres_virtual = vesafb_defined.xres;
vesafb_defined.yres_virtual = vesafb_fix.smem_len / vesafb_fix.line_length;
if (ypan && vesafb_defined.yres_virtual > vesafb_defined.yres) {
printk(KERN_INFO "vesafb: scrolling: %s using protected mode interface, yres_virtual=%d\n",
(ypan > 1) ? "ywrap" : "ypan",vesafb_defined.yres_virtual);
} else {
printk(KERN_INFO "vesafb: scrolling: redraw\n");
vesafb_defined.yres_virtual = video_height;
vesafb_defined.yres_virtual = vesafb_defined.yres;
ypan = 0;
}
video_height_virtual = vesafb_defined.yres_virtual;
/* some dummy values for timing to make fbset happy */
vesafb_defined.pixclock = 10000000 / video_width * 1000 / video_height;
vesafb_defined.left_margin = (video_width / 8) & 0xf8;
vesafb_defined.pixclock = 10000000 / vesafb_defined.xres * 1000 / vesafb_defined.yres;
vesafb_defined.left_margin = (vesafb_defined.xres / 8) & 0xf8;
vesafb_defined.right_margin = 32;
vesafb_defined.upper_margin = 16;
vesafb_defined.lower_margin = 4;
vesafb_defined.hsync_len = (video_width / 8) & 0xf8;
vesafb_defined.hsync_len = (vesafb_defined.xres / 8) & 0xf8;
vesafb_defined.vsync_len = 4;
if (video_bpp > 8) {
if (vesafb_defined.bits_per_pixel > 8) {
vesafb_defined.red.offset = screen_info.red_pos;
vesafb_defined.red.length = screen_info.red_size;
vesafb_defined.green.offset = screen_info.green_pos;
......@@ -585,48 +331,49 @@ int __init vesafb_init(void)
vesafb_defined.red.length = 6;
vesafb_defined.green.length = 6;
vesafb_defined.blue.length = 6;
for(i = 0; i < 16; i++) {
j = color_table[i];
palette[i].red = default_red[j];
palette[i].green = default_grn[j];
palette[i].blue = default_blu[j];
}
video_cmap_len = 256;
}
vesafb_fix.ypanstep = ypan ? 1 : 0;
vesafb_fix.ywrapstep = (ypan>1) ? 1 : 0;
/* request failure does not faze us, as vgacon probably has this
* region already (FIXME) */
request_region(0x3c0, 32, "vesafb");
if (mtrr) {
int temp_size = video_size;
int temp_size = vesafb_fix.smem_len;
/* Find the largest power-of-two */
while (temp_size & (temp_size - 1))
temp_size &= (temp_size - 1);
/* Try and find a power of two to add */
while (temp_size && mtrr_add(video_base, temp_size, MTRR_TYPE_WRCOMB, 1)==-EINVAL) {
while (temp_size && mtrr_add(vesafb_fix.smem_start, temp_size, MTRR_TYPE_WRCOMB, 1)==-EINVAL) {
temp_size >>= 1;
}
}
strcpy(fb_info.modename, "VESA VGA");
strcpy(fb_info.modename, vesafb_fix.id);
fb_info.changevar = NULL;
fb_info.node = NODEV;
fb_info.fbops = &vesafb_ops;
fb_info.screen_base = video_vbase;
fb_info.disp=&disp;
fb_info.var = vesafb_defined;
fb_info.fix = vesafb_fix;
fb_info.currcon = -1;
fb_info.switch_con=&vesafb_switch;
fb_info.updatevar=&vesafb_update_var;
fb_info.flags=FBINFO_FLAG_DEFAULT;
vesafb_set_disp(-1);
fb_info.disp = &disp;
fb_info.switch_con = gen_switch;
fb_info.updatevar = gen_update_var;
fb_info.pseudo_palette = pseudo_palette;
fb_info.flags = FBINFO_FLAG_DEFAULT;
fb_alloc_cmap(&fb_info.cmap, video_cmap_len, 0);
gen_set_disp(-1, &fb_info);
if (register_framebuffer(&fb_info)<0)
return -EINVAL;
printk(KERN_INFO "fb%d: %s frame buffer device\n",
GET_FB_IDX(fb_info.node), fb_info.modename);
GET_FB_IDX(fb_info.node), fb_info.fix.id);
return 0;
}
......
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