472 lines
12 KiB
C
472 lines
12 KiB
C
|
/*
|
||
|
|
* linux/drivers/video/cfbcon_decor.c -- Framebuffer decor render functions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
|
||
|
|
*
|
||
|
|
* Code based upon "Bootdecor" (C) 2001-2003
|
||
|
|
* Volker Poplawski <volker@poplawski.de>,
|
||
|
|
* Stefan Reinauer <stepan@suse.de>,
|
||
|
|
* Steffen Winterfeldt <snwint@suse.de>,
|
||
|
|
* Michael Schroeder <mls@suse.de>,
|
||
|
|
* Ken Wimer <wimer@suse.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.
|
||
|
|
*/
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/fb.h>
|
||
|
|
#include <linux/selection.h>
|
||
|
|
#include <linux/vt_kern.h>
|
||
|
|
#include <asm/irq.h>
|
||
|
|
#include <asm/system.h>
|
||
|
|
|
||
|
|
#include "fbcon.h"
|
||
|
|
#include "fbcondecor.h"
|
||
|
|
|
||
|
|
#define parse_pixel(shift,bpp,type) \
|
||
|
|
do { \
|
||
|
|
if (d & (0x80 >> (shift))) \
|
||
|
|
dd2[(shift)] = fgx; \
|
||
|
|
else \
|
||
|
|
dd2[(shift)] = transparent ? *(type *)decor_src : bgx; \
|
||
|
|
decor_src += (bpp); \
|
||
|
|
} while (0) \
|
||
|
|
|
||
|
|
extern int get_color(struct vc_data *vc, struct fb_info *info,
|
||
|
|
u16 c, int is_fg);
|
||
|
|
|
||
|
|
void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc)
|
||
|
|
{
|
||
|
|
int i, j, k;
|
||
|
|
int minlen = min(min(info->var.red.length, info->var.green.length),
|
||
|
|
info->var.blue.length);
|
||
|
|
u32 col;
|
||
|
|
|
||
|
|
for (j = i = 0; i < 16; i++) {
|
||
|
|
k = color_table[i];
|
||
|
|
|
||
|
|
col = ((vc->vc_palette[j++] >> (8-minlen))
|
||
|
|
<< info->var.red.offset);
|
||
|
|
col |= ((vc->vc_palette[j++] >> (8-minlen))
|
||
|
|
<< info->var.green.offset);
|
||
|
|
col |= ((vc->vc_palette[j++] >> (8-minlen))
|
||
|
|
<< info->var.blue.offset);
|
||
|
|
((u32 *)info->pseudo_palette)[k] = col;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_renderc(struct fb_info *info, int ypos, int xpos, int height,
|
||
|
|
int width, u8* src, u32 fgx, u32 bgx, u8 transparent)
|
||
|
|
{
|
||
|
|
unsigned int x, y;
|
||
|
|
u32 dd;
|
||
|
|
int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
|
||
|
|
unsigned int d = ypos * info->fix.line_length + xpos * bytespp;
|
||
|
|
unsigned int ds = (ypos * info->var.xres + xpos) * bytespp;
|
||
|
|
u16 dd2[4];
|
||
|
|
|
||
|
|
u8* decor_src = (u8 *)(info->bgdecor.data + ds);
|
||
|
|
u8* dst = (u8 *)(info->screen_base + d);
|
||
|
|
|
||
|
|
if ((ypos + height) > info->var.yres || (xpos + width) > info->var.xres)
|
||
|
|
return;
|
||
|
|
|
||
|
|
for (y = 0; y < height; y++) {
|
||
|
|
switch (info->var.bits_per_pixel) {
|
||
|
|
|
||
|
|
case 32:
|
||
|
|
for (x = 0; x < width; x++) {
|
||
|
|
|
||
|
|
if ((x & 7) == 0)
|
||
|
|
d = *src++;
|
||
|
|
if (d & 0x80)
|
||
|
|
dd = fgx;
|
||
|
|
else
|
||
|
|
dd = transparent ?
|
||
|
|
*(u32 *)decor_src : bgx;
|
||
|
|
|
||
|
|
d <<= 1;
|
||
|
|
decor_src += 4;
|
||
|
|
fb_writel(dd, dst);
|
||
|
|
dst += 4;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 24:
|
||
|
|
for (x = 0; x < width; x++) {
|
||
|
|
|
||
|
|
if ((x & 7) == 0)
|
||
|
|
d = *src++;
|
||
|
|
if (d & 0x80)
|
||
|
|
dd = fgx;
|
||
|
|
else
|
||
|
|
dd = transparent ?
|
||
|
|
(*(u32 *)decor_src & 0xffffff) : bgx;
|
||
|
|
|
||
|
|
d <<= 1;
|
||
|
|
decor_src += 3;
|
||
|
|
#ifdef __LITTLE_ENDIAN
|
||
|
|
fb_writew(dd & 0xffff, dst);
|
||
|
|
dst += 2;
|
||
|
|
fb_writeb((dd >> 16), dst);
|
||
|
|
#else
|
||
|
|
fb_writew(dd >> 8, dst);
|
||
|
|
dst += 2;
|
||
|
|
fb_writeb(dd & 0xff, dst);
|
||
|
|
#endif
|
||
|
|
dst++;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 16:
|
||
|
|
for (x = 0; x < width; x += 2) {
|
||
|
|
if ((x & 7) == 0)
|
||
|
|
d = *src++;
|
||
|
|
|
||
|
|
parse_pixel(0, 2, u16);
|
||
|
|
parse_pixel(1, 2, u16);
|
||
|
|
#ifdef __LITTLE_ENDIAN
|
||
|
|
dd = dd2[0] | (dd2[1] << 16);
|
||
|
|
#else
|
||
|
|
dd = dd2[1] | (dd2[0] << 16);
|
||
|
|
#endif
|
||
|
|
d <<= 2;
|
||
|
|
fb_writel(dd, dst);
|
||
|
|
dst += 4;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 8:
|
||
|
|
for (x = 0; x < width; x += 4) {
|
||
|
|
if ((x & 7) == 0)
|
||
|
|
d = *src++;
|
||
|
|
|
||
|
|
parse_pixel(0, 1, u8);
|
||
|
|
parse_pixel(1, 1, u8);
|
||
|
|
parse_pixel(2, 1, u8);
|
||
|
|
parse_pixel(3, 1, u8);
|
||
|
|
|
||
|
|
#ifdef __LITTLE_ENDIAN
|
||
|
|
dd = dd2[0] | (dd2[1] << 8) | (dd2[2] << 16) | (dd2[3] << 24);
|
||
|
|
#else
|
||
|
|
dd = dd2[3] | (dd2[2] << 8) | (dd2[1] << 16) | (dd2[0] << 24);
|
||
|
|
#endif
|
||
|
|
d <<= 4;
|
||
|
|
fb_writel(dd, dst);
|
||
|
|
dst += 4;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
dst += info->fix.line_length - width * bytespp;
|
||
|
|
decor_src += (info->var.xres - width) * bytespp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define cc2cx(a) \
|
||
|
|
((info->fix.visual == FB_VISUAL_TRUECOLOR || \
|
||
|
|
info->fix.visual == FB_VISUAL_DIRECTCOLOR) ? \
|
||
|
|
((u32*)info->pseudo_palette)[a] : a)
|
||
|
|
|
||
|
|
void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info,
|
||
|
|
const unsigned short *s, int count, int yy, int xx)
|
||
|
|
{
|
||
|
|
unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
|
||
|
|
struct fbcon_ops *ops = info->fbcon_par;
|
||
|
|
int fg_color, bg_color, transparent;
|
||
|
|
u8 *src;
|
||
|
|
u32 bgx, fgx;
|
||
|
|
u16 c = scr_readw(s);
|
||
|
|
|
||
|
|
fg_color = get_color(vc, info, c, 1);
|
||
|
|
bg_color = get_color(vc, info, c, 0);
|
||
|
|
|
||
|
|
/* Don't paint the background image if console is blanked */
|
||
|
|
transparent = ops->blank_state ? 0 :
|
||
|
|
(vc->vc_decor.bg_color == bg_color);
|
||
|
|
|
||
|
|
xx = xx * vc->vc_font.width + vc->vc_decor.tx;
|
||
|
|
yy = yy * vc->vc_font.height + vc->vc_decor.ty;
|
||
|
|
|
||
|
|
fgx = cc2cx(fg_color);
|
||
|
|
bgx = cc2cx(bg_color);
|
||
|
|
|
||
|
|
while (count--) {
|
||
|
|
c = scr_readw(s++);
|
||
|
|
src = vc->vc_font.data + (c & charmask) * vc->vc_font.height *
|
||
|
|
((vc->vc_font.width + 7) >> 3);
|
||
|
|
|
||
|
|
fbcon_decor_renderc(info, yy, xx, vc->vc_font.height,
|
||
|
|
vc->vc_font.width, src, fgx, bgx, transparent);
|
||
|
|
xx += vc->vc_font.width;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
unsigned int dsize, s_pitch;
|
||
|
|
struct fbcon_ops *ops = info->fbcon_par;
|
||
|
|
struct vc_data* vc;
|
||
|
|
u8 *src;
|
||
|
|
|
||
|
|
/* we really don't need any cursors while the console is blanked */
|
||
|
|
if (info->state != FBINFO_STATE_RUNNING || ops->blank_state)
|
||
|
|
return;
|
||
|
|
|
||
|
|
vc = vc_cons[ops->currcon].d;
|
||
|
|
|
||
|
|
src = kmalloc(64 + sizeof(struct fb_image), GFP_ATOMIC);
|
||
|
|
if (!src)
|
||
|
|
return;
|
||
|
|
|
||
|
|
s_pitch = (cursor->image.width + 7) >> 3;
|
||
|
|
dsize = s_pitch * cursor->image.height;
|
||
|
|
if (cursor->enable) {
|
||
|
|
switch (cursor->rop) {
|
||
|
|
case ROP_XOR:
|
||
|
|
for (i = 0; i < dsize; i++)
|
||
|
|
src[i] = cursor->image.data[i] ^ cursor->mask[i];
|
||
|
|
break;
|
||
|
|
case ROP_COPY:
|
||
|
|
default:
|
||
|
|
for (i = 0; i < dsize; i++)
|
||
|
|
src[i] = cursor->image.data[i] & cursor->mask[i];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
memcpy(src, cursor->image.data, dsize);
|
||
|
|
|
||
|
|
fbcon_decor_renderc(info,
|
||
|
|
cursor->image.dy + vc->vc_decor.ty,
|
||
|
|
cursor->image.dx + vc->vc_decor.tx,
|
||
|
|
cursor->image.height,
|
||
|
|
cursor->image.width,
|
||
|
|
(u8*)src,
|
||
|
|
cc2cx(cursor->image.fg_color),
|
||
|
|
cc2cx(cursor->image.bg_color),
|
||
|
|
cursor->image.bg_color == vc->vc_decor.bg_color);
|
||
|
|
|
||
|
|
kfree(src);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void decorset(u8 *dst, int height, int width, int dstbytes,
|
||
|
|
u32 bgx, int bpp)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (bpp == 8)
|
||
|
|
bgx |= bgx << 8;
|
||
|
|
if (bpp == 16 || bpp == 8)
|
||
|
|
bgx |= bgx << 16;
|
||
|
|
|
||
|
|
while (height-- > 0) {
|
||
|
|
u8 *p = dst;
|
||
|
|
|
||
|
|
switch (bpp) {
|
||
|
|
|
||
|
|
case 32:
|
||
|
|
for (i=0; i < width; i++) {
|
||
|
|
fb_writel(bgx, p); p += 4;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 24:
|
||
|
|
for (i=0; i < width; i++) {
|
||
|
|
#ifdef __LITTLE_ENDIAN
|
||
|
|
fb_writew((bgx & 0xffff),(u16*)p); p += 2;
|
||
|
|
fb_writeb((bgx >> 16),p++);
|
||
|
|
#else
|
||
|
|
fb_writew((bgx >> 8),(u16*)p); p += 2;
|
||
|
|
fb_writeb((bgx & 0xff),p++);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
case 16:
|
||
|
|
for (i=0; i < width/4; i++) {
|
||
|
|
fb_writel(bgx,p); p += 4;
|
||
|
|
fb_writel(bgx,p); p += 4;
|
||
|
|
}
|
||
|
|
if (width & 2) {
|
||
|
|
fb_writel(bgx,p); p += 4;
|
||
|
|
}
|
||
|
|
if (width & 1)
|
||
|
|
fb_writew(bgx,(u16*)p);
|
||
|
|
break;
|
||
|
|
case 8:
|
||
|
|
for (i=0; i < width/4; i++) {
|
||
|
|
fb_writel(bgx,p); p += 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (width & 2) {
|
||
|
|
fb_writew(bgx,p); p += 2;
|
||
|
|
}
|
||
|
|
if (width & 1)
|
||
|
|
fb_writeb(bgx,(u8*)p);
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
dst += dstbytes;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_copy(u8 *dst, u8 *src, int height, int width, int linebytes,
|
||
|
|
int srclinebytes, int bpp)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
while (height-- > 0) {
|
||
|
|
u32 *p = (u32 *)dst;
|
||
|
|
u32 *q = (u32 *)src;
|
||
|
|
|
||
|
|
switch (bpp) {
|
||
|
|
|
||
|
|
case 32:
|
||
|
|
for (i=0; i < width; i++)
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
break;
|
||
|
|
case 24:
|
||
|
|
for (i=0; i < (width*3/4); i++)
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
if ((width*3) % 4) {
|
||
|
|
if (width & 2) {
|
||
|
|
fb_writeb(*(u8*)q, (u8*)p);
|
||
|
|
} else if (width & 1) {
|
||
|
|
fb_writew(*(u16*)q, (u16*)p);
|
||
|
|
fb_writeb(*(u8*)((u16*)q+1),(u8*)((u16*)p+2));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 16:
|
||
|
|
for (i=0; i < width/4; i++) {
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
}
|
||
|
|
if (width & 2)
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
if (width & 1)
|
||
|
|
fb_writew(*(u16*)q, (u16*)p);
|
||
|
|
break;
|
||
|
|
case 8:
|
||
|
|
for (i=0; i < width/4; i++)
|
||
|
|
fb_writel(*q++, p++);
|
||
|
|
|
||
|
|
if (width & 2) {
|
||
|
|
fb_writew(*(u16*)q, (u16*)p);
|
||
|
|
q = (u32*) ((u16*)q + 1);
|
||
|
|
p = (u32*) ((u16*)p + 1);
|
||
|
|
}
|
||
|
|
if (width & 1)
|
||
|
|
fb_writeb(*(u8*)q, (u8*)p);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
dst += linebytes;
|
||
|
|
src += srclinebytes;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void decorfill(struct fb_info *info, int sy, int sx, int height,
|
||
|
|
int width)
|
||
|
|
{
|
||
|
|
int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
|
||
|
|
int d = sy * info->fix.line_length + sx * bytespp;
|
||
|
|
int ds = (sy * info->var.xres + sx) * bytespp;
|
||
|
|
|
||
|
|
fbcon_decor_copy((u8 *)(info->screen_base + d), (u8 *)(info->bgdecor.data + ds),
|
||
|
|
height, width, info->fix.line_length, info->var.xres * bytespp,
|
||
|
|
info->var.bits_per_pixel);
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx,
|
||
|
|
int height, int width)
|
||
|
|
{
|
||
|
|
int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
|
||
|
|
int bg_color = attr_bgcol_ec(bgshift, vc);
|
||
|
|
int transparent = vc->vc_decor.bg_color == bg_color;
|
||
|
|
struct fbcon_ops *ops = info->fbcon_par;
|
||
|
|
u8 *dst;
|
||
|
|
|
||
|
|
sy = sy * vc->vc_font.height + vc->vc_decor.ty;
|
||
|
|
sx = sx * vc->vc_font.width + vc->vc_decor.tx;
|
||
|
|
height *= vc->vc_font.height;
|
||
|
|
width *= vc->vc_font.width;
|
||
|
|
|
||
|
|
/* Don't paint the background image if console is blanked */
|
||
|
|
if (transparent && !ops->blank_state) {
|
||
|
|
decorfill(info, sy, sx, height, width);
|
||
|
|
} else {
|
||
|
|
dst = (u8 *)(info->screen_base + sy * info->fix.line_length +
|
||
|
|
sx * ((info->var.bits_per_pixel + 7) >> 3));
|
||
|
|
decorset(dst, height, width, info->fix.line_length, cc2cx(bg_color),
|
||
|
|
info->var.bits_per_pixel);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info,
|
||
|
|
int bottom_only)
|
||
|
|
{
|
||
|
|
unsigned int tw = vc->vc_cols*vc->vc_font.width;
|
||
|
|
unsigned int th = vc->vc_rows*vc->vc_font.height;
|
||
|
|
|
||
|
|
if (!bottom_only) {
|
||
|
|
/* top margin */
|
||
|
|
decorfill(info, 0, 0, vc->vc_decor.ty, info->var.xres);
|
||
|
|
/* left margin */
|
||
|
|
decorfill(info, vc->vc_decor.ty, 0, th, vc->vc_decor.tx);
|
||
|
|
/* right margin */
|
||
|
|
decorfill(info, vc->vc_decor.ty, vc->vc_decor.tx + tw, th,
|
||
|
|
info->var.xres - vc->vc_decor.tx - tw);
|
||
|
|
}
|
||
|
|
decorfill(info, vc->vc_decor.ty + th, 0,
|
||
|
|
info->var.yres - vc->vc_decor.ty - th, info->var.xres);
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y,
|
||
|
|
int sx, int dx, int width)
|
||
|
|
{
|
||
|
|
u16 *d = (u16 *) (vc->vc_origin + vc->vc_size_row * y + dx * 2);
|
||
|
|
u16 *s = d + (dx - sx);
|
||
|
|
u16 *start = d;
|
||
|
|
u16 *ls = d;
|
||
|
|
u16 *le = d + width;
|
||
|
|
u16 c;
|
||
|
|
int x = dx;
|
||
|
|
u16 attr = 1;
|
||
|
|
|
||
|
|
do {
|
||
|
|
c = scr_readw(d);
|
||
|
|
if (attr != (c & 0xff00)) {
|
||
|
|
attr = c & 0xff00;
|
||
|
|
if (d > start) {
|
||
|
|
fbcon_decor_putcs(vc, info, start, d - start, y, x);
|
||
|
|
x += d - start;
|
||
|
|
start = d;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (s >= ls && s < le && c == scr_readw(s)) {
|
||
|
|
if (d > start) {
|
||
|
|
fbcon_decor_putcs(vc, info, start, d - start, y, x);
|
||
|
|
x += d - start + 1;
|
||
|
|
start = d + 1;
|
||
|
|
} else {
|
||
|
|
x++;
|
||
|
|
start++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
s++;
|
||
|
|
d++;
|
||
|
|
} while (d < le);
|
||
|
|
if (d > start)
|
||
|
|
fbcon_decor_putcs(vc, info, start, d - start, y, x);
|
||
|
|
}
|
||
|
|
|
||
|
|
void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank)
|
||
|
|
{
|
||
|
|
if (blank) {
|
||
|
|
decorset((u8 *)info->screen_base, info->var.yres, info->var.xres,
|
||
|
|
info->fix.line_length, 0, info->var.bits_per_pixel);
|
||
|
|
} else {
|
||
|
|
update_screen(vc);
|
||
|
|
fbcon_decor_clear_margins(vc, info, 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|