Menu
▾
▴
[Linux-fbdev-devel] [PATCH] vesafb.c ported to new api.
|
From: James S. <jsi...@tr...> - 2002-03-01 20:58:24
|
Give this patch a try. It is against 2.5.5-dj2.
. ---
|o_o |
|:_/ | Give Micro$oft the Bird!!!!
// \ \ Use Linux!!!!
(| | )
/'_ _/`\
___)=(___/
diff -urN -X /home/jsimmons/dontdiff linux-2.5.5-dj2/drivers/video/fbgen.c linux/drivers/video/fbgen.c
--- linux-2.5.5-dj2/drivers/video/fbgen.c Tue Feb 26 16:04:26 2002
+++ linux/drivers/video/fbgen.c Fri Mar 1 12:53:56 2002
@@ -427,9 +427,9 @@
display->ypanstep = info->fix.ypanstep;
display->ywrapstep = info->fix.ywrapstep;
display->line_length = info->fix.line_length;
- if (info->fbops->fb_blank || info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
+ if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
- display->can_soft_blank = 1;
+ display->can_soft_blank = info->fbops->fb_blank ? 1 : 0;
display->dispsw_data = NULL;
} else {
display->can_soft_blank = 0;
@@ -444,12 +444,15 @@
if (con < 0 || info->var.activate & FB_ACTIVATE_ALL)
info->disp->var = info->var;
+ if (!info->var.accel_flags) {
+ display->scrollmode = SCROLL_YREDRAW;
#ifdef FBCON_HAS_ACCEL
- if (info->var.accel_flags & FB_ACCELF_TEXT) {
+ } else {
+ display->scrollmode = SCROLL_YNOMOVE;
display->dispsw = &fbcon_accel;
return;
- }
#endif
+ }
switch (info->var.bits_per_pixel)
{
diff -urN -X /home/jsimmons/dontdiff linux-2.5.5-dj2/drivers/video/vesafb.c linux/drivers/video/vesafb.c
--- linux-2.5.5-dj2/drivers/video/vesafb.c Tue Feb 26 16:04:27 2002
+++ linux/drivers/video/vesafb.c Fri Mar 1 13:35:37 2002
@@ -26,37 +26,12 @@
#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;
-
-/* 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 */
@@ -76,20 +51,14 @@
{0,0,0,0,0,0}
};
+static struct fb_fix_screeninfo vesafb_fix = {
+ "VESA VGA", (unsigned long) NULL, 0, FB_TYPE_PACKED_PIXELS, 0,
+ FB_VISUAL_PSEUDOCOLOR, 0, 0, 0, 0, (unsigned long) NULL, 0, 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;
@@ -100,8 +69,6 @@
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,
@@ -118,7 +85,7 @@
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)"
@@ -140,161 +107,6 @@
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)
@@ -328,7 +140,7 @@
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
@@ -337,14 +149,10 @@
* != 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) {
+ switch (info->var.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
case 8:
vesa_setpalette(regno,red,green,blue);
@@ -355,16 +163,16 @@
case 16:
if (vesafb_defined.red.offset == 10) {
/* 1:5:5:5 */
- fbcon_cmap.cfb16[regno] =
- ((red & 0xf800) >> 1) |
- ((green & 0xf800) >> 6) |
- ((blue & 0xf800) >> 11);
+ ((u16*) (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);
+ ((u16*) (info->pseudo_palette))[regno] =
+ ((red & 0xf800) ) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11);
}
break;
#endif
@@ -373,7 +181,7 @@
red >>= 8;
green >>= 8;
blue >>= 8;
- fbcon_cmap.cfb24[regno] =
+ ((u32 *)(info->pseudo_palette))[regno] =
(red << vesafb_defined.red.offset) |
(green << vesafb_defined.green.offset) |
(blue << vesafb_defined.blue.offset);
@@ -384,7 +192,7 @@
red >>= 8;
green >>= 8;
blue >>= 8;
- fbcon_cmap.cfb32[regno] =
+ ((u32 *)(info->pseudo_palette))[regno] =
(red << vesafb_defined.red.offset) |
(green << vesafb_defined.green.offset) |
(blue << vesafb_defined.blue.offset);
@@ -394,26 +202,13 @@
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_set_cmap: fbgen_set_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,
};
@@ -450,59 +245,46 @@
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 */
}
- fb_info.screen_base = ioremap(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(video_base, video_size);
+ 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, fb_info.screen_base, 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",
@@ -535,32 +317,27 @@
}
}
- 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;
@@ -584,46 +361,48 @@
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.disp=&disp;
- fb_info.switch_con=&vesafb_switch;
- fb_info.updatevar=&vesafb_update_var;
+ fb_info.var = vesafb_defined;
+ fb_info.fix = vesafb_fix;
+ fb_info.disp = &disp;
+ fb_info.switch_con = gen_switch;
+ fb_info.updatevar = &vesafb_update_var;
+ fb_info.pseudo_palette = pseudo_palette;
fb_info.flags=FBINFO_FLAG_DEFAULT;
- vesafb_set_disp(-1);
+
+ 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;
}
|