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path: root/drivers/video/fbdev/vga16fb.c
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Diffstat (limited to 'drivers/video/fbdev/vga16fb.c')
-rw-r--r--drivers/video/fbdev/vga16fb.c86
1 files changed, 43 insertions, 43 deletions
diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index d21f68f3ee44..faf76972114d 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -1,13 +1,13 @@
/*
* linux/drivers/video/vga16.c -- VGA 16-color framebuffer driver
- *
+ *
* Copyright 1999 Ben Pfaff <pfaffben@debian.org> and Petr Vandrovec <VANDROVE@vc.cvut.cz>
* Based on VGA info at http://www.goodnet.com/~tinara/FreeVGA/home.htm
* Based on VESA framebuffer (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
*
* 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.
+ * archive for more details.
*/
#include <linux/module.h>
@@ -70,7 +70,7 @@ static struct fb_var_screeninfo vga16fb_defined = {
.yres = 480,
.xres_virtual = 640,
.yres_virtual = 480,
- .bits_per_pixel = 4,
+ .bits_per_pixel = 4,
.activate = FB_ACTIVATE_TEST,
.height = -1,
.width = -1,
@@ -120,7 +120,7 @@ static inline void rmw(volatile char __iomem *p)
static inline int setmode(int mode)
{
int oldmode;
-
+
oldmode = vga_io_rgfx(VGA_GFX_MODE);
vga_io_w(VGA_GFX_D, mode);
return oldmode;
@@ -139,19 +139,19 @@ static inline void setmask(int mask)
vga_io_w(VGA_GFX_D, mask);
}
-/* Set the Data Rotate Register and return its old value.
+/* Set the Data Rotate Register and return its old value.
Bits 0-2 are rotate count, bits 3-4 are logical operation
(0=NOP, 1=AND, 2=OR, 3=XOR). */
static inline int setop(int op)
{
int oldop;
-
+
oldop = vga_io_rgfx(VGA_GFX_DATA_ROTATE);
vga_io_w(VGA_GFX_D, op);
return oldop;
}
-/* Set the Enable Set/Reset Register and return its old value.
+/* Set the Enable Set/Reset Register and return its old value.
The code here always uses value 0xf for this register. */
static inline int setsr(int sr)
{
@@ -203,7 +203,7 @@ static inline int check_mode_supported(void)
return 0;
}
-static void vga16fb_pan_var(struct fb_info *info,
+static void vga16fb_pan_var(struct fb_info *info,
struct fb_var_screeninfo *var)
{
struct vga16fb_par *par = info->par;
@@ -296,7 +296,7 @@ static void vga16fb_clock_chip(struct vga16fb_par *par,
par->clkdiv = best->seq_clock_mode;
*pixclock = (best->pixclock * div) / mul;
}
-
+
#define FAIL(X) return -EINVAL
static int vga16fb_open(struct fb_info *info, int user)
@@ -511,7 +511,7 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
par->misc &= ~0x40;
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
par->misc &= ~0x80;
-
+
par->mode = mode;
if (mode & MODE_8BPP)
@@ -520,8 +520,8 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
else
/* pixel clock == vga clock */
vga16fb_clock_chip(par, &var->pixclock, info, 1, 1);
-
- var->red.offset = var->green.offset = var->blue.offset =
+
+ var->red.offset = var->green.offset = var->blue.offset =
var->transp.offset = 0;
var->red.length = var->green.length = var->blue.length =
(par->isVGA) ? 6 : 2;
@@ -588,10 +588,10 @@ static int vga16fb_set_par(struct fb_info *info)
else
atc[VGA_ATC_PEL] = info->var.xoffset & 7;
atc[VGA_ATC_COLOR_PAGE] = 0x00;
-
+
if (par->mode & MODE_TEXT) {
- fh = 16; // FIXME !!! Fudge font height.
- par->crtc[VGA_CRTC_MAX_SCAN] = (par->crtc[VGA_CRTC_MAX_SCAN]
+ fh = 16; // FIXME !!! Fudge font height.
+ par->crtc[VGA_CRTC_MAX_SCAN] = (par->crtc[VGA_CRTC_MAX_SCAN]
& ~0x1F) | (fh - 1);
}
@@ -602,10 +602,10 @@ static int vga16fb_set_par(struct fb_info *info)
vga_io_w(EGA_GFX_E0, 0x00);
vga_io_w(EGA_GFX_E1, 0x01);
}
-
+
/* update misc output register */
vga_io_w(VGA_MIS_W, par->misc);
-
+
/* synchronous reset on */
vga_io_wseq(0x00, 0x01);
@@ -617,7 +617,7 @@ static int vga16fb_set_par(struct fb_info *info)
for (i = 2; i < VGA_SEQ_C; i++) {
vga_io_wseq(i, seq[i]);
}
-
+
/* synchronous reset off */
vga_io_wseq(0x00, 0x03);
@@ -628,12 +628,12 @@ static int vga16fb_set_par(struct fb_info *info)
for (i = 0; i < VGA_CRTC_REGS; i++) {
vga_io_wcrt(i, par->crtc[i]);
}
-
+
/* write graphics controller registers */
for (i = 0; i < VGA_GFX_C; i++) {
vga_io_wgfx(i, gdc[i]);
}
-
+
/* write attribute controller registers */
for (i = 0; i < VGA_ATT_C; i++) {
vga_io_r(VGA_IS1_RC); /* reset flip-flop */
@@ -656,7 +656,7 @@ static void ega16_setpalette(int regno, unsigned red, unsigned green, unsigned b
{
static const unsigned char map[] = { 000, 001, 010, 011 };
int val;
-
+
if (regno >= 16)
return;
val = map[red>>14] | ((map[green>>14]) << 1) | ((map[blue>>14]) << 2);
@@ -687,17 +687,17 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
* (according to the entries in the `var' structure). Return
* != 0 for invalid regno.
*/
-
+
if (regno >= 256)
return 1;
gray = info->var.grayscale;
-
+
if (gray) {
/* gray = 0.30*R + 0.59*G + 0.11*B */
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
}
- if (par->isVGA)
+ if (par->isVGA)
vga16_setpalette(regno,red,green,blue);
else
ega16_setpalette(regno,red,green,blue);
@@ -705,7 +705,7 @@ static int vga16fb_setcolreg(unsigned regno, unsigned red, unsigned green,
}
static int vga16fb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info)
+ struct fb_info *info)
{
vga16fb_pan_var(info, var);
return 0;
@@ -720,7 +720,7 @@ static void vga_vesa_blank(struct vga16fb_par *par, int mode)
{
unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
-
+
/* save original values of VGA controller registers */
if(!par->vesa_blanked) {
par->vga_state.CrtMiscIO = vga_io_r(VGA_MIS_R);
@@ -776,7 +776,7 @@ static void vga_vesa_unblank(struct vga16fb_par *par)
{
unsigned char SeqCtrlIndex = vga_io_r(VGA_SEQ_I);
unsigned char CrtCtrlIndex = vga_io_r(VGA_CRT_IC);
-
+
/* restore original values of VGA controller registers */
vga_io_w(VGA_MIS_W, par->vga_state.CrtMiscIO);
@@ -962,7 +962,7 @@ static void vga16fb_fillrect(struct fb_info *info, const struct fb_fillrect *rec
}
break;
}
- } else
+ } else
vga_8planes_fillrect(info, rect);
break;
case FB_TYPE_PACKED_PIXELS:
@@ -1029,7 +1029,7 @@ static void vga_8planes_copyarea(struct fb_info *info, const struct fb_copyarea
static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
{
- u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
+ u32 dx = area->dx, dy = area->dy, sx = area->sx, sy = area->sy;
int x, x2, y2, old_dx, old_dy, vxres, vyres;
int height, width, line_ofs;
char __iomem *dst = NULL;
@@ -1094,9 +1094,9 @@ static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *are
dst += line_ofs;
}
} else {
- dst = info->screen_base + (dx/8) + width +
+ dst = info->screen_base + (dx/8) + width +
(dy + height - 1) * info->fix.line_length;
- src = info->screen_base + (sx/8) + width +
+ src = info->screen_base + (sx/8) + width +
(sy + height - 1) * info->fix.line_length;
while (height--) {
for (x = 0; x < width; x++) {
@@ -1109,7 +1109,7 @@ static void vga16fb_copyarea(struct fb_info *info, const struct fb_copyarea *are
dst -= line_ofs;
}
}
- } else
+ } else
vga_8planes_copyarea(info, area);
break;
case FB_TYPE_PACKED_PIXELS:
@@ -1182,7 +1182,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
setsr(0xf);
setcolor(image->fg_color);
selectmask();
-
+
setmask(0xff);
writeb(image->bg_color, where);
rmb();
@@ -1191,7 +1191,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
wmb();
for (y = 0; y < image->height; y++) {
dst = where;
- for (x = image->width/8; x--;)
+ for (x = image->width/8; x--;)
writeb(*cdat++, dst++);
where += info->fix.line_length;
}
@@ -1202,7 +1202,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
setsr(0xf);
setcolor(image->bg_color);
selectmask();
-
+
setmask(0xff);
for (y = 0; y < image->height; y++) {
dst = where;
@@ -1218,7 +1218,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
where += info->fix.line_length;
}
}
- } else
+ } else
vga_8planes_imageblit(info, image);
break;
case FB_TYPE_PACKED_PIXELS:
@@ -1231,7 +1231,7 @@ static void vga_imageblit_expand(struct fb_info *info, const struct fb_image *im
static void vga_imageblit_color(struct fb_info *info, const struct fb_image *image)
{
/*
- * Draw logo
+ * Draw logo
*/
struct vga16fb_par *par = info->par;
char __iomem *where =
@@ -1248,7 +1248,7 @@ static void vga_imageblit_color(struct fb_info *info, const struct fb_image *ima
setsr(0xf);
setop(0);
setmode(0);
-
+
for (y = 0; y < image->height; y++) {
for (x = 0; x < image->width; x++) {
dst = where + x/8;
@@ -1272,7 +1272,7 @@ static void vga_imageblit_color(struct fb_info *info, const struct fb_image *ima
break;
}
}
-
+
static void vga16fb_imageblit(struct fb_info *info, const struct fb_image *image)
{
if (image->depth == 1)
@@ -1308,10 +1308,10 @@ static const struct fb_ops vga16fb_ops = {
static int __init vga16fb_setup(char *options)
{
char *this_opt;
-
+
if (!options || !*options)
return 0;
-
+
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt) continue;
}
@@ -1361,10 +1361,10 @@ static int vga16fb_probe(struct platform_device *dev)
par->vesa_blanked = 0;
i = par->isVGA? 6 : 2;
-
+
vga16fb_defined.red.length = i;
vga16fb_defined.green.length = i;
- vga16fb_defined.blue.length = i;
+ vga16fb_defined.blue.length = i;
/* name should not depend on EGA/VGA */
info->fbops = &vga16fb_ops;
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