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qubes-linux-kernel/patches.suse/bootsplash
Joanna Rutkowska d1298d1dfb Keeps patches unpacked for easier history browsing
2010-07-07 13:12:45 +02:00

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From: mls@suse.de
Subject: Bootsplash for current kernel
Patch-mainline: no
References: none
Better support for other VTs. Don't change percent or silent status
when installing a new jpeg. Provide splash_set_percent function.
Signed-off-by: mls@suse.de
---
drivers/char/keyboard.c | 9
drivers/char/n_tty.c | 9
drivers/char/vt.c | 25
drivers/video/Kconfig | 4
drivers/video/Makefile | 1
drivers/video/bootsplash/Kconfig | 17
drivers/video/bootsplash/Makefile | 5
drivers/video/bootsplash/bootsplash.c | 1017 ++++++++++++++++++++++++++++++++++
drivers/video/bootsplash/bootsplash.h | 44 +
drivers/video/bootsplash/decode-jpg.c | 957 +++++++++++++++++++++++++++++++
drivers/video/bootsplash/decode-jpg.h | 35 +
drivers/video/bootsplash/render.c | 328 ++++++++++
drivers/video/console/bitblit.c | 39 +
drivers/video/console/fbcon.c | 53 +
drivers/video/console/fbcon.h | 28
drivers/video/vesafb.c | 8
include/linux/console_struct.h | 3
include/linux/fb.h | 8
kernel/panic.c | 13
19 files changed, 2601 insertions(+), 2 deletions(-)
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -1190,6 +1190,15 @@ static void kbd_keycode(unsigned int key
if (keycode < BTN_MISC && printk_ratelimit())
printk(KERN_WARNING "keyboard.c: can't emulate rawmode for keycode %d\n", keycode);
+#ifdef CONFIG_BOOTSPLASH
+ /* This code has to be redone for some non-x86 platforms */
+ if (down == 1 && (keycode == 0x3c || keycode == 0x01)) { /* F2 and ESC on PC keyboard */
+ extern int splash_verbose(void);
+ if (splash_verbose())
+ return;
+ }
+#endif
+
#ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
if (!sysrq_down) {
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1779,6 +1779,15 @@ do_it_again:
tty->minimum_to_wake = (minimum - (b - buf));
if (!input_available_p(tty, 0)) {
+#ifdef CONFIG_BOOTSPLASH
+ if (file->f_dentry->d_inode->i_rdev == MKDEV(TTY_MAJOR,0) ||
+ file->f_dentry->d_inode->i_rdev == MKDEV(TTY_MAJOR,1) ||
+ file->f_dentry->d_inode->i_rdev == MKDEV(TTYAUX_MAJOR,0) ||
+ file->f_dentry->d_inode->i_rdev == MKDEV(TTYAUX_MAJOR,1)) {
+ extern int splash_verbose(void);
+ (void)splash_verbose();
+ }
+#endif
if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
retval = -EIO;
break;
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -4101,6 +4101,31 @@ void vcs_scr_writew(struct vc_data *vc,
}
}
+#ifdef CONFIG_BOOTSPLASH
+void con_remap_def_color(struct vc_data *vc, int new_color)
+{
+ unsigned short *sbuf = vc->vc_screenbuf;
+ unsigned c, len = vc->vc_screenbuf_size >> 1;
+ int old_color;
+
+ if (sbuf) {
+ old_color = vc->vc_def_color << 8;
+ new_color <<= 8;
+ while(len--) {
+ c = *sbuf;
+ if (((c ^ old_color) & 0xf000) == 0)
+ *sbuf ^= (old_color ^ new_color) & 0xf000;
+ if (((c ^ old_color) & 0x0f00) == 0)
+ *sbuf ^= (old_color ^ new_color) & 0x0f00;
+ sbuf++;
+ }
+ new_color >>= 8;
+ }
+ vc->vc_def_color = vc->vc_color = new_color;
+ update_attr(vc);
+}
+#endif
+
/*
* Visible symbols for modules
*/
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2228,4 +2228,8 @@ if FB || SGI_NEWPORT_CONSOLE
source "drivers/video/logo/Kconfig"
endif
+if FB
+ source "drivers/video/bootsplash/Kconfig"
+endif
+
endmenu
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -14,6 +14,7 @@ fb-objs := $(f
obj-$(CONFIG_VT) += console/
obj-$(CONFIG_LOGO) += logo/
obj-y += backlight/ display/
+obj-$(CONFIG_BOOTSPLASH) += bootsplash/
obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o
obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o
--- /dev/null
+++ b/drivers/video/bootsplash/Kconfig
@@ -0,0 +1,17 @@
+#
+# Bootsplash configuration
+#
+
+menu "Bootsplash configuration"
+
+config BOOTSPLASH
+ bool "Bootup splash screen"
+ depends on FRAMEBUFFER_CONSOLE && FB_VESA
+ default n
+ ---help---
+ This option enables the Linux bootsplash screen. For more
+ information on the bootsplash screen have a look at
+ http://www.bootsplash.org/.
+ If you are unsure, say N
+endmenu
+
--- /dev/null
+++ b/drivers/video/bootsplash/Makefile
@@ -0,0 +1,5 @@
+# Makefile for the Linux bootsplash
+
+obj-$(CONFIG_BOOTSPLASH) += bootsplash.o
+obj-$(CONFIG_BOOTSPLASH) += decode-jpg.o
+obj-$(CONFIG_BOOTSPLASH) += render.o
--- /dev/null
+++ b/drivers/video/bootsplash/bootsplash.c
@@ -0,0 +1,1017 @@
+/*
+ * linux/drivers/video/bootsplash/bootsplash.c -
+ * splash screen handling functions.
+ *
+ * (w) 2001-2004 by Volker Poplawski, <volker@poplawski.de>,
+ * Stefan Reinauer, <stepan@suse.de>,
+ * Steffen Winterfeldt, <snwint@suse.de>,
+ * Michael Schroeder <mls@suse.de>
+ *
+ * Ideas & SuSE screen work by Ken Wimer, <wimer@suse.de>
+ *
+ * For more information on this code check http://www.bootsplash.org/
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/vmalloc.h>
+#include <linux/unistd.h>
+#include <linux/syscalls.h>
+
+#include <asm/irq.h>
+#include <asm/system.h>
+
+#include "../console/fbcon.h"
+#include "bootsplash.h"
+#include "decode-jpg.h"
+
+extern struct fb_ops vesafb_ops;
+extern signed char con2fb_map[MAX_NR_CONSOLES];
+
+#define SPLASH_VERSION "3.1.6-2004/03/31"
+
+/* These errors have to match fbcon-jpegdec.h */
+static unsigned char *jpg_errors[] = {
+ "no SOI found",
+ "not 8 bit",
+ "height mismatch",
+ "width mismatch",
+ "bad width or height",
+ "too many COMPPs",
+ "illegal HV",
+ "quant table selector",
+ "picture is not YCBCR 221111",
+ "unknow CID in scan",
+ "dct not sequential",
+ "wrong marker",
+ "no EOI",
+ "bad tables",
+ "depth mismatch"
+};
+
+static struct jpeg_decdata *decdata = 0; /* private decoder data */
+
+static int splash_registered = 0;
+static int splash_usesilent = 0; /* shall we display the silentjpeg? */
+int splash_default = 0xf01;
+
+static int splash_check_jpeg(unsigned char *jpeg, int width, int height, int depth);
+
+static int __init splash_setup(char *options)
+{
+ if(!strncmp("silent", options, 6)) {
+ printk(KERN_INFO "bootsplash: silent mode.\n");
+ splash_usesilent = 1;
+ /* skip "silent," */
+ if (strlen(options) == 6)
+ return 0;
+ options += 7;
+ }
+ if(!strncmp("verbose", options, 7)) {
+ printk(KERN_INFO "bootsplash: verbose mode.\n");
+ splash_usesilent = 0;
+ return 0;
+ }
+ splash_default = simple_strtoul(options, NULL, 0);
+ return 0;
+}
+
+__setup("splash=", splash_setup);
+
+
+static int splash_hasinter(unsigned char *buf, int num)
+{
+ unsigned char *bufend = buf + num * 12;
+ while(buf < bufend) {
+ if (buf[1] > 127) /* inter? */
+ return 1;
+ buf += buf[3] > 127 ? 24 : 12; /* blend? */
+ }
+ return 0;
+}
+
+static int boxextract(unsigned char *buf, unsigned short *dp, unsigned char *cols, int *blendp)
+{
+ dp[0] = buf[0] | buf[1] << 8;
+ dp[1] = buf[2] | buf[3] << 8;
+ dp[2] = buf[4] | buf[5] << 8;
+ dp[3] = buf[6] | buf[7] << 8;
+ *(unsigned int *)(cols + 0) =
+ *(unsigned int *)(cols + 4) =
+ *(unsigned int *)(cols + 8) =
+ *(unsigned int *)(cols + 12) = *(unsigned int *)(buf + 8);
+ if (dp[1] > 32767) {
+ dp[1] = ~dp[1];
+ *(unsigned int *)(cols + 4) = *(unsigned int *)(buf + 12);
+ *(unsigned int *)(cols + 8) = *(unsigned int *)(buf + 16);
+ *(unsigned int *)(cols + 12) = *(unsigned int *)(buf + 20);
+ *blendp = 1;
+ return 24;
+ }
+ return 12;
+}
+
+static void boxit(unsigned char *pic, int bytes, unsigned char *buf, int num, int percent, int overpaint)
+{
+ int x, y, i, p, doblend, r, g, b, a, add;
+ unsigned short data1[4];
+ unsigned char cols1[16];
+ unsigned short data2[4];
+ unsigned char cols2[16];
+ unsigned char *bufend;
+ unsigned short *picp;
+ unsigned int stipple[32], sti, stin, stinn, stixs, stixe, stiys, stiye;
+ int xs, xe, ys, ye, xo, yo;
+
+ if (num == 0)
+ return;
+ bufend = buf + num * 12;
+ stipple[0] = 0xffffffff;
+ stin = 1;
+ stinn = 0;
+ stixs = stixe = 0;
+ stiys = stiye = 0;
+ while(buf < bufend) {
+ doblend = 0;
+ buf += boxextract(buf, data1, cols1, &doblend);
+ if (data1[0] == 32767 && data1[1] == 32767) {
+ /* box stipple */
+ if (stinn == 32)
+ continue;
+ if (stinn == 0) {
+ stixs = data1[2];
+ stixe = data1[3];
+ stiys = stiye = 0;
+ } else if (stinn == 4) {
+ stiys = data1[2];
+ stiye = data1[3];
+ }
+ stipple[stinn++] = (cols1[ 0] << 24) | (cols1[ 1] << 16) | (cols1[ 2] << 8) | cols1[ 3] ;
+ stipple[stinn++] = (cols1[ 4] << 24) | (cols1[ 5] << 16) | (cols1[ 6] << 8) | cols1[ 7] ;
+ stipple[stinn++] = (cols1[ 8] << 24) | (cols1[ 9] << 16) | (cols1[10] << 8) | cols1[11] ;
+ stipple[stinn++] = (cols1[12] << 24) | (cols1[13] << 16) | (cols1[14] << 8) | cols1[15] ;
+ stin = stinn;
+ continue;
+ }
+ stinn = 0;
+ if (data1[0] > 32767)
+ buf += boxextract(buf, data2, cols2, &doblend);
+ if (data1[0] == 32767 && data1[1] == 32766) {
+ /* box copy */
+ i = 12 * (short)data1[3];
+ doblend = 0;
+ i += boxextract(buf + i, data1, cols1, &doblend);
+ if (data1[0] > 32767)
+ boxextract(buf + i, data2, cols2, &doblend);
+ }
+ if (data1[0] == 32767)
+ continue;
+ if (data1[2] > 32767) {
+ if (overpaint)
+ continue;
+ data1[2] = ~data1[2];
+ }
+ if (data1[3] > 32767) {
+ if (percent == 65536)
+ continue;
+ data1[3] = ~data1[3];
+ }
+ if (data1[0] > 32767) {
+ data1[0] = ~data1[0];
+ for (i = 0; i < 4; i++)
+ data1[i] = (data1[i] * (65536 - percent) + data2[i] * percent) >> 16;
+ for (i = 0; i < 16; i++)
+ cols1[i] = (cols1[i] * (65536 - percent) + cols2[i] * percent) >> 16;
+ }
+ *(unsigned int *)cols2 = *(unsigned int *)cols1;
+ a = cols2[3];
+ if (a == 0 && !doblend)
+ continue;
+
+ if (stixs >= 32768) {
+ xo = xs = (stixs ^ 65535) + data1[0];
+ xe = stixe ? stixe + data1[0] : data1[2];
+ } else if (stixe >= 32768) {
+ xs = stixs ? data1[2] - stixs : data1[0];
+ xe = data1[2] - (stixe ^ 65535);
+ xo = xe + 1;
+ } else {
+ xo = xs = stixs;
+ xe = stixe ? stixe : data1[2];
+ }
+ if (stiys >= 32768) {
+ yo = ys = (stiys ^ 65535) + data1[1];
+ ye = stiye ? stiye + data1[1] : data1[3];
+ } else if (stiye >= 32768) {
+ ys = stiys ? data1[3] - stiys : data1[1];
+ ye = data1[3] - (stiye ^ 65535);
+ yo = ye + 1;
+ } else {
+ yo = ys = stiys;
+ ye = stiye ? stiye : data1[3];
+ }
+ xo = 32 - (xo & 31);
+ yo = stin - (yo % stin);
+ if (xs < data1[0])
+ xs = data1[0];
+ if (xe > data1[2])
+ xe = data1[2];
+ if (ys < data1[1])
+ ys = data1[1];
+ if (ye > data1[3])
+ ye = data1[3];
+
+ for (y = ys; y <= ye; y++) {
+ sti = stipple[(y + yo) % stin];
+ x = (xs + xo) & 31;
+ if (x)
+ sti = (sti << x) | (sti >> (32 - x));
+ if (doblend) {
+ if ((p = data1[3] - data1[1]) != 0)
+ p = ((y - data1[1]) << 16) / p;
+ for (i = 0; i < 8; i++)
+ cols2[i + 8] = (cols1[i] * (65536 - p) + cols1[i + 8] * p) >> 16;
+ }
+ add = (xs & 1);
+ add ^= (add ^ y) & 1 ? 1 : 3; /* 2x2 ordered dithering */
+ picp = (unsigned short *)(pic + xs * 2 + y * bytes);
+ for (x = xs; x <= xe; x++) {
+ if (!(sti & 0x80000000)) {
+ sti <<= 1;
+ picp++;
+ add ^= 3;
+ continue;
+ }
+ sti = (sti << 1) | 1;
+ if (doblend) {
+ if ((p = data1[2] - data1[0]) != 0)
+ p = ((x - data1[0]) << 16) / p;
+ for (i = 0; i < 4; i++)
+ cols2[i] = (cols2[i + 8] * (65536 - p) + cols2[i + 12] * p) >> 16;
+ a = cols2[3];
+ }
+ r = cols2[0];
+ g = cols2[1];
+ b = cols2[2];
+ if (a != 255) {
+ i = *picp;
+ r = ((i >> 8 & 0xf8) * (255 - a) + r * a) / 255;
+ g = ((i >> 3 & 0xfc) * (255 - a) + g * a) / 255;
+ b = ((i << 3 & 0xf8) * (255 - a) + b * a) / 255;
+ }
+ #define CLAMP(x) ((x) >= 256 ? 255 : (x))
+ i = ((CLAMP(r + add*2+1) & 0xf8) << 8) |
+ ((CLAMP(g + add ) & 0xfc) << 3) |
+ ((CLAMP(b + add*2+1) ) >> 3);
+ *picp++ = i;
+ add ^= 3;
+ }
+ }
+ }
+}
+
+static int splash_check_jpeg(unsigned char *jpeg, int width, int height, int depth)
+{
+ int size, err;
+ unsigned char *mem;
+
+ size = ((width + 15) & ~15) * ((height + 15) & ~15) * (depth >> 3);
+ mem = vmalloc(size);
+ if (!mem) {
+ printk(KERN_INFO "bootsplash: no memory for decoded picture.\n");
+ return -1;
+ }
+ if (!decdata)
+ decdata = vmalloc(sizeof(*decdata));
+ if ((err = jpeg_decode(jpeg, mem, ((width + 15) & ~15), ((height + 15) & ~15), depth, decdata)))
+ printk(KERN_INFO "bootsplash: error while decompressing picture: %s (%d)\n",jpg_errors[err - 1], err);
+ vfree(mem);
+ return err ? -1 : 0;
+}
+
+static void splash_free(struct vc_data *vc, struct fb_info *info)
+{
+ if (!vc->vc_splash_data)
+ return;
+ if (info->silent_screen_base)
+ info->screen_base = info->silent_screen_base;
+ info->silent_screen_base = 0;
+ if (vc->vc_splash_data->splash_silentjpeg)
+ vfree(vc->vc_splash_data->splash_sboxes);
+ vfree(vc->vc_splash_data);
+ vc->vc_splash_data = 0;
+ info->splash_data = 0;
+}
+
+static int splash_mkpenguin(struct splash_data *data, int pxo, int pyo, int pwi, int phe, int pr, int pg, int pb)
+{
+ unsigned char *buf;
+ int i;
+
+ if (pwi ==0 || phe == 0)
+ return 0;
+ buf = (unsigned char *)data + sizeof(*data);
+ pwi += pxo - 1;
+ phe += pyo - 1;
+ *buf++ = pxo;
+ *buf++ = pxo >> 8;
+ *buf++ = pyo;
+ *buf++ = pyo >> 8;
+ *buf++ = pwi;
+ *buf++ = pwi >> 8;
+ *buf++ = phe;
+ *buf++ = phe >> 8;
+ *buf++ = pr;
+ *buf++ = pg;
+ *buf++ = pb;
+ *buf++ = 0;
+ for (i = 0; i < 12; i++, buf++)
+ *buf = buf[-12];
+ buf[-24] ^= 0xff;
+ buf[-23] ^= 0xff;
+ buf[-1] = 0xff;
+ return 2;
+}
+
+static const int splash_offsets[3][16] = {
+ /* len, unit, size, state, fgcol, col, xo, yo, wi, he
+ boxcnt, ssize, sboxcnt, percent, overok, palcnt */
+ /* V1 */
+ { 20, -1, 16, -1, -1, -1, 8, 10, 12, 14,
+ -1, -1, -1, -1, -1, -1 },
+ /* V2 */
+ { 35, 8, 12, 9, 10, 11, 16, 18, 20, 22,
+ -1, -1, -1, -1, -1, -1 },
+ /* V3 */
+ { 38, 8, 12, 9, 10, 11, 16, 18, 20, 22,
+ 24, 28, 32, 34, 36, 37 },
+};
+
+#define SPLASH_OFF_LEN offsets[0]
+#define SPLASH_OFF_UNIT offsets[1]
+#define SPLASH_OFF_SIZE offsets[2]
+#define SPLASH_OFF_STATE offsets[3]
+#define SPLASH_OFF_FGCOL offsets[4]
+#define SPLASH_OFF_COL offsets[5]
+#define SPLASH_OFF_XO offsets[6]
+#define SPLASH_OFF_YO offsets[7]
+#define SPLASH_OFF_WI offsets[8]
+#define SPLASH_OFF_HE offsets[9]
+#define SPLASH_OFF_BOXCNT offsets[10]
+#define SPLASH_OFF_SSIZE offsets[11]
+#define SPLASH_OFF_SBOXCNT offsets[12]
+#define SPLASH_OFF_PERCENT offsets[13]
+#define SPLASH_OFF_OVEROK offsets[14]
+#define SPLASH_OFF_PALCNT offsets[15]
+
+static inline int splash_getb(unsigned char *pos, int off)
+{
+ return off == -1 ? 0 : pos[off];
+}
+
+static inline int splash_gets(unsigned char *pos, int off)
+{
+ return off == -1 ? 0 : pos[off] | pos[off + 1] << 8;
+}
+
+static inline int splash_geti(unsigned char *pos, int off)
+{
+ return off == -1 ? 0 :
+ pos[off] | pos[off + 1] << 8 | pos[off + 2] << 16 | pos[off + 3] << 24;
+}
+
+static int splash_getraw(unsigned char *start, unsigned char *end, int *update)
+{
+ unsigned char *ndata;
+ int version;
+ int splash_size;
+ int unit;
+ int width, height;
+ int silentsize;
+ int boxcnt;
+ int sboxcnt;
+ int palcnt;
+ int i, len;
+ const int *offsets;
+ struct vc_data *vc;
+ struct fb_info *info;
+ struct splash_data *sd;
+ int oldpercent, oldsilent;
+
+ if (update)
+ *update = -1;
+
+ if (!update || start[7] < '2' || start[7] > '3' || splash_geti(start, 12) != (int)0xffffffff)
+ printk(KERN_INFO "bootsplash %s: looking for picture...\n", SPLASH_VERSION);
+
+ for (ndata = start; ndata < end; ndata++) {
+ if (ndata[0] != 'B' || ndata[1] != 'O' || ndata[2] != 'O' || ndata[3] != 'T')
+ continue;
+ if (ndata[4] != 'S' || ndata[5] != 'P' || ndata[6] != 'L' || ndata[7] < '1' || ndata[7] > '3')
+ continue;
+ version = ndata[7] - '0';
+ offsets = splash_offsets[version - 1];
+ len = SPLASH_OFF_LEN;
+ unit = splash_getb(ndata, SPLASH_OFF_UNIT);
+ if (unit >= MAX_NR_CONSOLES)
+ continue;
+ if (unit) {
+ vc_allocate(unit);
+ }
+ vc = vc_cons[unit].d;
+ info = registered_fb[(int)con2fb_map[unit]];
+ width = info->var.xres;
+ height = info->var.yres;
+ splash_size = splash_geti(ndata, SPLASH_OFF_SIZE);
+ if (splash_size == (int)0xffffffff && version > 1) {
+ if ((sd = vc->vc_splash_data) != 0) {
+ int up = 0;
+ i = splash_getb(ndata, SPLASH_OFF_STATE);
+ if (i != 255) {
+ sd->splash_state = i;
+ up = -1;
+ }
+ i = splash_getb(ndata, SPLASH_OFF_FGCOL);
+ if (i != 255) {
+ sd->splash_fg_color = i;
+ up = -1;
+ }
+ i = splash_getb(ndata, SPLASH_OFF_COL);
+ if (i != 255) {
+ sd->splash_color = i;
+ up = -1;
+ }
+ boxcnt = sboxcnt = 0;
+ if (ndata + len <= end) {
+ boxcnt = splash_gets(ndata, SPLASH_OFF_BOXCNT);
+ sboxcnt = splash_gets(ndata, SPLASH_OFF_SBOXCNT);
+ }
+ if (boxcnt) {
+ i = splash_gets(ndata, len);
+ if (boxcnt + i <= sd->splash_boxcount && ndata + len + 2 + boxcnt * 12 <= end) {
+
+ if (splash_geti(ndata, len + 2) != 0x7ffd7fff || !memcmp(ndata + len + 2, sd->splash_boxes + i * 12, 8)) {
+
+ memcpy(sd->splash_boxes + i * 12, ndata + len + 2, boxcnt * 12);
+ up |= 1;
+ }
+ }
+ len += boxcnt * 12 + 2;
+ }
+ if (sboxcnt) {
+ i = splash_gets(ndata, len);
+ if (sboxcnt + i <= sd->splash_sboxcount && ndata + len + 2 + sboxcnt * 12 <= end) {
+ if (splash_geti(ndata, len + 2) != 0x7ffd7fff || !memcmp(ndata + len + 2, sd->splash_sboxes + i * 12, 8)) {
+ memcpy(sd->splash_sboxes + i * 12, ndata + len + 2, sboxcnt * 12);
+ up |= 2;
+ }
+ }
+ }
+ if (update)
+ *update = up;
+ }
+ return unit;
+ }
+ if (splash_size == 0) {
+ printk(KERN_INFO "bootsplash: ...found, freeing memory.\n");
+ if (vc->vc_splash_data)
+ splash_free(vc, info);
+ return unit;
+ }
+ boxcnt = splash_gets(ndata, SPLASH_OFF_BOXCNT);
+ palcnt = 3 * splash_getb(ndata, SPLASH_OFF_PALCNT);
+ if (ndata + len + splash_size > end) {
+ printk(KERN_ERR "bootsplash: ...found, but truncated!\n");
+ return -1;
+ }
+ if (!jpeg_check_size(ndata + len + boxcnt * 12 + palcnt, width, height)) {
+ ndata += len + splash_size - 1;
+ continue;
+ }
+ if (splash_check_jpeg(ndata + len + boxcnt * 12 + palcnt, width, height, info->var.bits_per_pixel))
+ return -1;
+ silentsize = splash_geti(ndata, SPLASH_OFF_SSIZE);
+ if (silentsize)
+ printk(KERN_INFO "bootsplash: silentjpeg size %d bytes\n", silentsize);
+ if (silentsize >= splash_size) {
+ printk(KERN_ERR "bootsplash: bigger than splashsize!\n");
+ return -1;
+ }
+ splash_size -= silentsize;
+ if (!splash_usesilent)
+ silentsize = 0;
+ else if (height * 2 * info->fix.line_length > info->fix.smem_len) {
+ printk(KERN_WARNING "bootsplash: does not fit into framebuffer.\n");
+ silentsize = 0;
+ }
+ sboxcnt = splash_gets(ndata, SPLASH_OFF_SBOXCNT);
+ if (silentsize) {
+ unsigned char *simage = ndata + len + splash_size + 12 * sboxcnt;
+ if (!jpeg_check_size(simage, width, height) ||
+ splash_check_jpeg(simage, width, height, info->var.bits_per_pixel)) {
+ printk(KERN_WARNING "bootsplash: error in silent jpeg.\n");
+ silentsize = 0;
+ }
+ }
+ oldpercent = -1;
+ oldsilent = -1;
+ if (vc->vc_splash_data) {
+ oldpercent = vc->vc_splash_data->splash_percent;
+ oldsilent = vc->vc_splash_data->splash_dosilent;
+ splash_free(vc, info);
+ }
+ vc->vc_splash_data = sd = vmalloc(sizeof(*sd) + splash_size + (version < 3 ? 2 * 12 : 0));
+ if (!sd)
+ break;
+ sd->splash_silentjpeg = 0;
+ sd->splash_sboxes = 0;
+ sd->splash_sboxcount = 0;
+ if (silentsize) {
+ sd->splash_silentjpeg = vmalloc(silentsize);
+ if (sd->splash_silentjpeg) {
+ memcpy(sd->splash_silentjpeg, ndata + len + splash_size, silentsize);
+ sd->splash_sboxes = vc->vc_splash_data->splash_silentjpeg;
+ sd->splash_silentjpeg += 12 * sboxcnt;
+ sd->splash_sboxcount = sboxcnt;
+ }
+ }
+ sd->splash_state = splash_getb(ndata, SPLASH_OFF_STATE);
+ sd->splash_fg_color = splash_getb(ndata, SPLASH_OFF_FGCOL);
+ sd->splash_color = splash_getb(ndata, SPLASH_OFF_COL);
+ sd->splash_overpaintok = splash_getb(ndata, SPLASH_OFF_OVEROK);
+ sd->splash_text_xo = splash_gets(ndata, SPLASH_OFF_XO);
+ sd->splash_text_yo = splash_gets(ndata, SPLASH_OFF_YO);
+ sd->splash_text_wi = splash_gets(ndata, SPLASH_OFF_WI);
+ sd->splash_text_he = splash_gets(ndata, SPLASH_OFF_HE);
+ sd->splash_percent = oldpercent == -1 ? splash_gets(ndata, SPLASH_OFF_PERCENT) : oldpercent;
+ if (version == 1) {
+ sd->splash_text_xo *= 8;
+ sd->splash_text_wi *= 8;
+ sd->splash_text_yo *= 16;
+ sd->splash_text_he *= 16;
+ sd->splash_color = (splash_default >> 8) & 0x0f;
+ sd->splash_fg_color = (splash_default >> 4) & 0x0f;
+ sd->splash_state = splash_default & 1;
+ }
+ if (sd->splash_text_xo + sd->splash_text_wi > width || sd->splash_text_yo + sd->splash_text_he > height) {
+ splash_free(vc, info);
+ printk(KERN_ERR "bootsplash: found, but has oversized text area!\n");
+ return -1;
+ }
+ if (!vc_cons[unit].d || info->fbops->fb_imageblit != cfb_imageblit) {
+ splash_free(vc, info);
+ printk(KERN_ERR "bootsplash: found, but framebuffer can't handle it!\n");
+ return -1;
+ }
+ printk(KERN_INFO "bootsplash: ...found (%dx%d, %d bytes, v%d).\n", width, height, splash_size, version);
+ if (version == 1) {
+ printk(KERN_WARNING "bootsplash: Using deprecated v1 header. Updating your splash utility recommended.\n");
+ printk(KERN_INFO "bootsplash: Find the latest version at http://www.bootsplash.org/\n");
+ }
+
+ /* fake penguin box for older formats */
+ if (version == 1)
+ boxcnt = splash_mkpenguin(sd, sd->splash_text_xo + 10, sd->splash_text_yo + 10, sd->splash_text_wi - 20, sd->splash_text_he - 20, 0xf0, 0xf0, 0xf0);
+ else if (version == 2)
+ boxcnt = splash_mkpenguin(sd, splash_gets(ndata, 24), splash_gets(ndata, 26), splash_gets(ndata, 28), splash_gets(ndata, 30), splash_getb(ndata, 32), splash_getb(ndata, 33), splash_getb(ndata, 34));
+
+ memcpy((char *)sd + sizeof(*sd) + (version < 3 ? boxcnt * 12 : 0), ndata + len, splash_size);
+ sd->splash_boxcount = boxcnt;
+ sd->splash_boxes = (unsigned char *)sd + sizeof(*sd);
+ sd->splash_palette = sd->splash_boxes + boxcnt * 12;
+ sd->splash_jpeg = sd->splash_palette + palcnt;
+ sd->splash_palcnt = palcnt / 3;
+ sd->splash_dosilent = sd->splash_silentjpeg != 0 ? (oldsilent == -1 ? 1 : oldsilent) : 0;
+ return unit;
+ }
+ printk(KERN_ERR "bootsplash: ...no good signature found.\n");
+ return -1;
+}
+
+int splash_verbose(void)
+{
+ struct vc_data *vc;
+ struct fb_info *info;
+
+ if (!splash_usesilent)
+ return 0;
+
+ vc = vc_cons[0].d;
+
+ if (!vc || !vc->vc_splash_data || !vc->vc_splash_data->splash_state)
+ return 0;
+ if (fg_console != vc->vc_num)
+ return 0;
+ if (!vc->vc_splash_data->splash_silentjpeg || !vc->vc_splash_data->splash_dosilent)
+ return 0;
+ vc->vc_splash_data->splash_dosilent = 0;
+ info = registered_fb[(int)con2fb_map[0]];
+ if (!info->silent_screen_base)
+ return 0;
+ splashcopy(info->silent_screen_base, info->screen_base, info->var.yres, info->var.xres, info->fix.line_length, info->fix.line_length);
+ info->screen_base = info->silent_screen_base;
+ info->silent_screen_base = 0;
+ return 1;
+}
+
+static void splash_off(struct fb_info *info)
+{
+ if (info->silent_screen_base)
+ info->screen_base = info->silent_screen_base;
+ info->silent_screen_base = 0;
+ info->splash_data = 0;
+ if (info->splash_pic)
+ vfree(info->splash_pic);
+ info->splash_pic = 0;
+ info->splash_pic_size = 0;
+}
+
+int splash_prepare(struct vc_data *vc, struct fb_info *info)
+{
+ int err;
+ int width, height, depth, size, sbytes;
+
+ if (!vc->vc_splash_data || !vc->vc_splash_data->splash_state) {
+ if (decdata)
+ vfree(decdata);
+ decdata = 0;
+ splash_off(info);
+ return -1;
+ }
+
+ width = info->var.xres;
+ height = info->var.yres;
+ depth = info->var.bits_per_pixel;
+ if (depth != 16) { /* Other targets might need fixing */
+ splash_off(info);
+ return -2;
+ }
+
+ sbytes = ((width + 15) & ~15) * (depth >> 3);
+ size = sbytes * ((height + 15) & ~15);
+ if (size != info->splash_pic_size)
+ splash_off(info);
+ if (!info->splash_pic)
+ info->splash_pic = vmalloc(size);
+
+ if (!info->splash_pic) {
+ printk(KERN_INFO "bootsplash: not enough memory.\n");
+ splash_off(info);
+ return -3;
+ }
+
+ if (!decdata)
+ decdata = vmalloc(sizeof(*decdata));
+
+ if (vc->vc_splash_data->splash_silentjpeg && vc->vc_splash_data->splash_dosilent) {
+ /* fill area after framebuffer with other jpeg */
+ if ((err = jpeg_decode(vc->vc_splash_data->splash_silentjpeg, info->splash_pic,
+ ((width + 15) & ~15), ((height + 15) & ~15), depth, decdata))) {
+ printk(KERN_INFO "bootsplash: error while decompressing silent picture: %s (%d)\n", jpg_errors[err - 1], err);
+ if (info->silent_screen_base)
+ info->screen_base = info->silent_screen_base;
+ vc->vc_splash_data->splash_dosilent = 0;
+ } else {
+ if (vc->vc_splash_data->splash_sboxcount)
+ boxit(info->splash_pic, sbytes, vc->vc_splash_data->splash_sboxes,
+ vc->vc_splash_data->splash_sboxcount, vc->vc_splash_data->splash_percent, 0);
+
+ if (!info->silent_screen_base)
+ info->silent_screen_base = info->screen_base;
+ splashcopy(info->silent_screen_base, info->splash_pic, info->var.yres, info->var.xres, info->fix.line_length, sbytes);
+ info->screen_base = info->silent_screen_base + info->fix.line_length * info->var.yres;
+ }
+ } else if (info->silent_screen_base)
+ info->screen_base = info->silent_screen_base;
+
+ if ((err = jpeg_decode(vc->vc_splash_data->splash_jpeg, info->splash_pic,
+ ((width + 15) & ~15), ((height + 15) & ~15), depth, decdata))) {
+ printk(KERN_INFO "bootsplash: error while decompressing picture: %s (%d) .\n", jpg_errors[err - 1], err);
+ splash_off(info);
+ return -4;
+ }
+ info->splash_pic_size = size;
+ info->splash_bytes = sbytes;
+ if (vc->vc_splash_data->splash_boxcount)
+ boxit(info->splash_pic, sbytes, vc->vc_splash_data->splash_boxes, vc->vc_splash_data->splash_boxcount, vc->vc_splash_data->splash_percent, 0);
+ if (vc->vc_splash_data->splash_state)
+ info->splash_data = vc->vc_splash_data;
+ else
+ splash_off(info);
+ return 0;
+}
+
+
+#ifdef CONFIG_PROC_FS
+
+#include <linux/proc_fs.h>
+
+static int splash_read_proc(char *buffer, char **start, off_t offset, int size,
+ int *eof, void *data);
+static int splash_write_proc(struct file *file, const char *buffer,
+ unsigned long count, void *data);
+static int splash_status(struct vc_data *vc);
+static int splash_recolor(struct vc_data *vc);
+static int splash_proc_register(void);
+
+static struct proc_dir_entry *proc_splash;
+
+static int splash_recolor(struct vc_data *vc)
+{
+ if (!vc->vc_splash_data)
+ return -1;
+ if (!vc->vc_splash_data->splash_state)
+ return 0;
+ con_remap_def_color(vc, vc->vc_splash_data->splash_color << 4 | vc->vc_splash_data->splash_fg_color);
+ if (fg_console == vc->vc_num) {
+ update_region(vc,
+ vc->vc_origin + vc->vc_size_row * vc->vc_top,
+ vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
+ }
+ return 0;
+}
+
+static int splash_status(struct vc_data *vc)
+{
+ struct fb_info *info;
+ printk(KERN_INFO "bootsplash: status on console %d changed to %s\n", vc->vc_num, vc->vc_splash_data && vc->vc_splash_data->splash_state ? "on" : "off");
+
+ info = registered_fb[(int) con2fb_map[vc->vc_num]];
+ if (fg_console == vc->vc_num)
+ splash_prepare(vc, info);
+ if (vc->vc_splash_data && vc->vc_splash_data->splash_state) {
+ con_remap_def_color(vc, vc->vc_splash_data->splash_color << 4 | vc->vc_splash_data->splash_fg_color);
+ /* vc_resize also calls con_switch which resets yscroll */
+ vc_resize(vc, vc->vc_splash_data->splash_text_wi / vc->vc_font.width, vc->vc_splash_data->splash_text_he / vc->vc_font.height);
+ if (fg_console == vc->vc_num) {
+ update_region(vc,
+ vc->vc_origin + vc->vc_size_row * vc->vc_top,
+ vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
+ splash_clear_margins(vc->vc_splash_data, vc, info, 0);
+ }
+ } else {
+ /* Switch bootsplash off */
+ con_remap_def_color(vc, 0x07);
+ vc_resize(vc, info->var.xres / vc->vc_font.width, info->var.yres / vc->vc_font.height);
+ }
+ return 0;
+}
+
+static int splash_read_proc(char *buffer, char **start, off_t offset, int size,
+ int *eof, void *data)
+{
+ int len = 0;
+ off_t begin = 0;
+ struct vc_data *vc = vc_cons[0].d;
+ struct fb_info *info = registered_fb[(int)con2fb_map[0]];
+ int color = vc->vc_splash_data ? vc->vc_splash_data->splash_color << 4 |
+ vc->vc_splash_data->splash_fg_color : splash_default >> 4;
+ int status = vc->vc_splash_data ? vc->vc_splash_data->splash_state & 1 : 0;
+ len += sprintf(buffer + len, "Splash screen v%s (0x%02x, %dx%d%s): %s\n",
+ SPLASH_VERSION, color, info->var.xres, info->var.yres,
+ (vc->vc_splash_data ? vc->vc_splash_data->splash_dosilent : 0)? ", silent" : "",
+ status ? "on" : "off");
+ if (offset >= begin + len)
+ return 0;
+
+ *start = buffer + (begin - offset);
+
+ return (size < begin + len - offset ? size : begin + len - offset);
+}
+
+void splash_set_percent(struct vc_data *vc, int pe)
+{
+ struct fb_info *info;
+ struct fbcon_ops *ops;
+ int oldpe;
+
+ if (pe < 0)
+ pe = 0;
+ if (pe > 65535)
+ pe = 65535;
+ pe += pe > 32767;;
+
+ if (!vc->vc_splash_data || vc->vc_splash_data->splash_percent == pe)
+ return;
+
+ oldpe = vc->vc_splash_data->splash_percent;
+ vc->vc_splash_data->splash_percent = pe;
+ if (fg_console != vc->vc_num || !vc->vc_splash_data->splash_state) {
+ return;
+ }
+ info = registered_fb[(int) con2fb_map[vc->vc_num]];
+ ops = info->fbcon_par;
+ if (ops->blank_state)
+ return;
+ if (!vc->vc_splash_data->splash_overpaintok || pe == 65536 || pe < oldpe) {
+ if (splash_hasinter(vc->vc_splash_data->splash_boxes, vc->vc_splash_data->splash_boxcount))
+ splash_status(vc);
+ else
+ splash_prepare(vc, info);
+ } else {
+ if (vc->vc_splash_data->splash_silentjpeg && vc->vc_splash_data->splash_dosilent && info->silent_screen_base)
+ boxit(info->silent_screen_base, info->fix.line_length, vc->vc_splash_data->splash_sboxes, vc->vc_splash_data->splash_sboxcount, vc->vc_splash_data->splash_percent, 1);
+ boxit(info->screen_base, info->fix.line_length, vc->vc_splash_data->splash_boxes, vc->vc_splash_data->splash_boxcount, vc->vc_splash_data->splash_percent, 1);
+ }
+}
+
+static int splash_write_proc(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ int new, unit;
+ struct vc_data *vc;
+
+ if (!buffer || !splash_default)
+ return count;
+
+ acquire_console_sem();
+ unit = 0;
+ if (buffer[0] == '@' && buffer[1] >= '0' && buffer[1] <= '9') {
+ unit = buffer[1] - '0';
+ buffer += 2;
+ if (*buffer >= '0' && *buffer <= '9') {
+ unit = unit * 10 + *buffer - '0';
+ buffer++;
+ }
+ if (*buffer == ' ')
+ buffer++;
+ if (unit >= MAX_NR_CONSOLES || !vc_cons[unit].d) {
+ release_console_sem();
+ return count;
+ }
+ }
+ vc = vc_cons[unit].d;
+ if (!strncmp(buffer, "redraw", 6)) {
+ splash_status(vc);
+ release_console_sem();
+ return count;
+ }
+ if (!strncmp(buffer, "show", 4) || !strncmp(buffer, "hide", 4)) {
+ int pe;
+
+ if (buffer[4] == ' ' && buffer[5] == 'p')
+ pe = 0;
+ else if (buffer[4] == '\n')
+ pe = 65535;
+ else
+ pe = simple_strtoul(buffer + 5, NULL, 0);
+ if (pe < 0)
+ pe = 0;
+ if (pe > 65535)
+ pe = 65535;
+ if (*buffer == 'h')
+ pe = 65535 - pe;
+ splash_set_percent(vc, pe);
+ release_console_sem();
+ return count;
+ }
+ if (!strncmp(buffer,"silent\n",7) || !strncmp(buffer,"verbose\n",8)) {
+ if (vc->vc_splash_data && vc->vc_splash_data->splash_silentjpeg) {
+ if (vc->vc_splash_data->splash_dosilent != (buffer[0] == 's')) {
+ vc->vc_splash_data->splash_dosilent = buffer[0] == 's';
+ splash_status(vc);
+ }
+ }
+ release_console_sem();
+ return count;
+ }
+ if (!strncmp(buffer,"freesilent\n",11)) {
+ if (vc->vc_splash_data && vc->vc_splash_data->splash_silentjpeg) {
+ printk(KERN_INFO "bootsplash: freeing silent jpeg\n");
+ vc->vc_splash_data->splash_silentjpeg = 0;
+ vfree(vc->vc_splash_data->splash_sboxes);
+ vc->vc_splash_data->splash_sboxes = 0;
+ vc->vc_splash_data->splash_sboxcount = 0;
+ if (vc->vc_splash_data->splash_dosilent)
+ splash_status(vc);
+ vc->vc_splash_data->splash_dosilent = 0;
+ }
+ release_console_sem();
+ return count;
+ }
+
+ if (!strncmp(buffer, "BOOTSPL", 7)) {
+ int up = -1;
+ unit = splash_getraw((unsigned char *)buffer, (unsigned char *)buffer + count, &up);
+ if (unit >= 0) {
+ vc = vc_cons[unit].d;
+ if (up == -1)
+ splash_status(vc);
+ else {
+ struct fb_info *info = registered_fb[(int) con2fb_map[vc->vc_num]];
+ struct fbcon_ops *ops = info->fbcon_par;
+ if (ops->blank_state)
+ up = 0;
+ if ((up & 2) != 0 && vc->vc_splash_data->splash_silentjpeg && vc->vc_splash_data->splash_dosilent && info->silent_screen_base)
+ boxit(info->silent_screen_base, info->fix.line_length, vc->vc_splash_data->splash_sboxes, vc->vc_splash_data->splash_sboxcount, vc->vc_splash_data->splash_percent, 1);
+ if ((up & 1) != 0)
+ boxit(info->screen_base, info->fix.line_length, vc->vc_splash_data->splash_boxes, vc->vc_splash_data->splash_boxcount, vc->vc_splash_data->splash_percent, 1);
+ }
+ }
+ release_console_sem();
+ return count;
+ }
+ if (!vc->vc_splash_data) {
+ release_console_sem();
+ return count;
+ }
+ if (buffer[0] == 't') {
+ vc->vc_splash_data->splash_state ^= 1;
+ splash_status(vc);
+ release_console_sem();
+ return count;
+ }
+ new = simple_strtoul(buffer, NULL, 0);
+ if (new > 1) {
+ /* expert user */
+ vc->vc_splash_data->splash_color = new >> 8 & 0xff;
+ vc->vc_splash_data->splash_fg_color = new >> 4 & 0x0f;
+ }
+ if ((new & 1) == vc->vc_splash_data->splash_state)
+ splash_recolor(vc);
+ else {
+ vc->vc_splash_data->splash_state = new & 1;
+ splash_status(vc);
+ }
+ release_console_sem();
+ return count;
+}
+
+static int splash_proc_register(void)
+{
+ if ((proc_splash = create_proc_entry("splash", 0, 0))) {
+ proc_splash->read_proc = splash_read_proc;
+ proc_splash->write_proc = splash_write_proc;
+ return 0;
+ }
+ return 1;
+}
+
+# if 0
+static int splash_proc_unregister(void)
+{
+ if (proc_splash)
+ remove_proc_entry("splash", 0);
+ return 0;
+}
+# endif
+#endif /* CONFIG_PROC_FS */
+
+void splash_init(void)
+{
+ struct fb_info *info;
+ struct vc_data *vc;
+ int isramfs = 1;
+ int fd;
+ int len;
+ int max_len = 1024*1024*2;
+ char *mem;
+
+ if (splash_registered)
+ return;
+ vc = vc_cons[0].d;
+ info = registered_fb[0];
+ if (!vc || !info || info->var.bits_per_pixel != 16)
+ return;
+#ifdef CONFIG_PROC_FS
+ splash_proc_register();
+#endif
+ splash_registered = 1;
+ if (vc->vc_splash_data)
+ return;
+ if ((fd = sys_open("/bootsplash", O_RDONLY, 0)) < 0) {
+ isramfs = 0;
+ fd = sys_open("/initrd.image", O_RDONLY, 0);
+ }
+ if (fd < 0)
+ return;
+ if ((len = (int)sys_lseek(fd, (off_t)0, 2)) <= 0) {
+ sys_close(fd);
+ return;
+ }
+ /* Don't look for more than the last 2MB */
+ if (len > max_len) {
+ printk( KERN_INFO "bootsplash: scanning last %dMB of initrd for signature\n",
+ max_len>>20);
+ sys_lseek(fd, (off_t)(len - max_len), 0);
+ len = max_len;
+ } else {
+ sys_lseek(fd, (off_t)0, 0);
+ }
+
+ mem = vmalloc(len);
+ if (mem) {
+ acquire_console_sem();
+ if ((int)sys_read(fd, mem, len) == len && splash_getraw((unsigned char *)mem, (unsigned char *)mem + len, (int *)0) == 0 && vc->vc_splash_data)
+ vc->vc_splash_data->splash_state = splash_default & 1;
+ release_console_sem();
+ vfree(mem);
+ }
+ sys_close(fd);
+ if (isramfs)
+ sys_unlink("/bootsplash");
+ return;
+}
+
--- /dev/null
+++ b/drivers/video/bootsplash/bootsplash.h
@@ -0,0 +1,44 @@
+/*
+ * linux/drivers/video/bootsplash/bootsplash.h - splash screen definition.
+ *
+ * (w) 2001-2003 by Volker Poplawski, <volker@poplawski.de>
+ * Stefan Reinauer, <stepan@suse.de>
+ *
+ *
+ * idea and SuSE screen work by Ken Wimer, <wimer@suse.de>
+ */
+
+#ifndef __BOOTSPLASH_H
+#define __BOOTSPLASH_H
+
+struct fb_info;
+
+/* splash.c */
+extern int splash_prepare(struct vc_data *, struct fb_info *);
+extern void splash_init(void);
+
+/* splash_render.c */
+extern void splash_putcs(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ const unsigned short *s, int count, int ypos, int xpos);
+extern void splash_putc(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ int c, int ypos, int xpos);
+extern void splashcopy(u8 *dst, u8 *src, int height, int width, int dstbytes, int srcbytes);
+extern void splash_clear(struct splash_data *sd, struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int height, int width);
+extern void splash_bmove(struct splash_data *sd, struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int dy, int dx, int height, int width);
+extern void splash_clear_margins(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ int bottom_only);
+extern int splash_cursor(struct splash_data *sd, struct fb_info *info, struct fb_cursor *cursor);
+extern void splash_bmove_redraw(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ int y, int sx, int dx, int width);
+extern void splash_blank(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ int blank);
+
+/* vt.c */
+extern void con_remap_def_color(struct vc_data *vc, int new_color);
+
+extern void acquire_console_sem(void);
+extern void release_console_sem(void);
+
+#endif
--- /dev/null
+++ b/drivers/video/bootsplash/decode-jpg.c
@@ -0,0 +1,957 @@
+/*
+ * linux/drivers/video/bootsplash/decode-jpg.c - a tiny jpeg decoder.
+ *
+ * (w) August 2001 by Michael Schroeder, <mls@suse.de>
+ *
+ */
+
+#include <linux/string.h>
+#include <asm/byteorder.h>
+
+#include "decode-jpg.h"
+
+#define ISHIFT 11
+
+#define IFIX(a) ((int)((a) * (1 << ISHIFT) + .5))
+#define IMULT(a, b) (((a) * (b)) >> ISHIFT)
+#define ITOINT(a) ((a) >> ISHIFT)
+
+#ifndef __P
+# define __P(x) x
+#endif
+
+/* special markers */
+#define M_BADHUFF -1
+#define M_EOF 0x80
+
+struct in {
+ unsigned char *p;
+ unsigned int bits;
+ int left;
+ int marker;
+
+ int (*func) __P((void *));
+ void *data;
+};
+
+/*********************************/
+struct dec_hufftbl;
+struct enc_hufftbl;
+
+union hufftblp {
+ struct dec_hufftbl *dhuff;
+ struct enc_hufftbl *ehuff;
+};
+
+struct scan {
+ int dc; /* old dc value */
+
+ union hufftblp hudc;
+ union hufftblp huac;
+ int next; /* when to switch to next scan */
+
+ int cid; /* component id */
+ int hv; /* horiz/vert, copied from comp */
+ int tq; /* quant tbl, copied from comp */
+};
+
+/*********************************/
+
+#define DECBITS 10 /* seems to be the optimum */
+
+struct dec_hufftbl {
+ int maxcode[17];
+ int valptr[16];
+ unsigned char vals[256];
+ unsigned int llvals[1 << DECBITS];
+};
+
+static void decode_mcus __P((struct in *, int *, int, struct scan *, int *));
+static int dec_readmarker __P((struct in *));
+static void dec_makehuff __P((struct dec_hufftbl *, int *, unsigned char *));
+
+static void setinput __P((struct in *, unsigned char *));
+/*********************************/
+
+#undef PREC
+#define PREC int
+
+static void idctqtab __P((unsigned char *, PREC *));
+static void idct __P((int *, int *, PREC *, PREC, int));
+static void scaleidctqtab __P((PREC *, PREC));
+
+/*********************************/
+
+static void initcol __P((PREC[][64]));
+
+static void col221111 __P((int *, unsigned char *, int));
+static void col221111_16 __P((int *, unsigned char *, int));
+
+/*********************************/
+
+#define M_SOI 0xd8
+#define M_APP0 0xe0
+#define M_DQT 0xdb
+#define M_SOF0 0xc0
+#define M_DHT 0xc4
+#define M_DRI 0xdd
+#define M_SOS 0xda
+#define M_RST0 0xd0
+#define M_EOI 0xd9
+#define M_COM 0xfe
+
+static unsigned char *datap;
+
+static int getbyte(void)
+{
+ return *datap++;
+}
+
+static int getword(void)
+{
+ int c1, c2;
+ c1 = *datap++;
+ c2 = *datap++;
+ return c1 << 8 | c2;
+}
+
+struct comp {
+ int cid;
+ int hv;
+ int tq;
+};
+
+#define MAXCOMP 4
+struct jpginfo {
+ int nc; /* number of components */
+ int ns; /* number of scans */
+ int dri; /* restart interval */
+ int nm; /* mcus til next marker */
+ int rm; /* next restart marker */
+};
+
+static struct jpginfo info;
+static struct comp comps[MAXCOMP];
+
+static struct scan dscans[MAXCOMP];
+
+static unsigned char quant[4][64];
+
+static struct dec_hufftbl dhuff[4];
+
+#define dec_huffdc (dhuff + 0)
+#define dec_huffac (dhuff + 2)
+
+static struct in in;
+
+static int readtables(int till)
+{
+ int m, l, i, j, lq, pq, tq;
+ int tc, th, tt;
+
+ for (;;) {
+ if (getbyte() != 0xff)
+ return -1;
+ if ((m = getbyte()) == till)
+ break;
+
+ switch (m) {
+ case 0xc2:
+ return 0;
+
+ case M_DQT:
+ lq = getword();
+ while (lq > 2) {
+ pq = getbyte();
+ tq = pq & 15;
+ if (tq > 3)
+ return -1;
+ pq >>= 4;
+ if (pq != 0)
+ return -1;
+ for (i = 0; i < 64; i++)
+ quant[tq][i] = getbyte();
+ lq -= 64 + 1;
+ }
+ break;
+
+ case M_DHT:
+ l = getword();
+ while (l > 2) {
+ int hufflen[16], k;
+ unsigned char huffvals[256];
+
+ tc = getbyte();
+ th = tc & 15;
+ tc >>= 4;
+ tt = tc * 2 + th;
+ if (tc > 1 || th > 1)
+ return -1;
+ for (i = 0; i < 16; i++)
+ hufflen[i] = getbyte();
+ l -= 1 + 16;
+ k = 0;
+ for (i = 0; i < 16; i++) {
+ for (j = 0; j < hufflen[i]; j++)
+ huffvals[k++] = getbyte();
+ l -= hufflen[i];
+ }
+ dec_makehuff(dhuff + tt, hufflen,
+ huffvals);
+ }
+ break;
+
+ case M_DRI:
+ l = getword();
+ info.dri = getword();
+ break;
+
+ default:
+ l = getword();
+ while (l-- > 2)
+ getbyte();
+ break;
+ }
+ }
+ return 0;
+}
+
+static void dec_initscans(void)
+{
+ int i;
+
+ info.nm = info.dri + 1;
+ info.rm = M_RST0;
+ for (i = 0; i < info.ns; i++)
+ dscans[i].dc = 0;
+}
+
+static int dec_checkmarker(void)
+{
+ int i;
+
+ if (dec_readmarker(&in) != info.rm)
+ return -1;
+ info.nm = info.dri;
+ info.rm = (info.rm + 1) & ~0x08;
+ for (i = 0; i < info.ns; i++)
+ dscans[i].dc = 0;
+ return 0;
+}
+
+int jpeg_check_size(unsigned char *buf, int width, int height)
+{
+ datap = buf;
+ getbyte();
+ getbyte();
+ readtables(M_SOF0);
+ getword();
+ getbyte();
+ if (height != getword() || width != getword())
+ return 0;
+ return 1;
+}
+
+int jpeg_decode(buf, pic, width, height, depth, decdata)
+unsigned char *buf, *pic;
+int width, height, depth;
+struct jpeg_decdata *decdata;
+{
+ int i, j, m, tac, tdc;
+ int mcusx, mcusy, mx, my;
+ int max[6];
+
+ if (!decdata || !buf || !pic)
+ return -1;
+ datap = buf;
+ if (getbyte() != 0xff)
+ return ERR_NO_SOI;
+ if (getbyte() != M_SOI)
+ return ERR_NO_SOI;
+ if (readtables(M_SOF0))
+ return ERR_BAD_TABLES;
+ getword();
+ i = getbyte();
+ if (i != 8)
+ return ERR_NOT_8BIT;
+ if (((getword() + 15) & ~15) != height)
+ return ERR_HEIGHT_MISMATCH;
+ if (((getword() + 15) & ~15) != width)
+ return ERR_WIDTH_MISMATCH;
+ if ((height & 15) || (width & 15))
+ return ERR_BAD_WIDTH_OR_HEIGHT;
+ info.nc = getbyte();
+ if (info.nc > MAXCOMP)
+ return ERR_TOO_MANY_COMPPS;
+ for (i = 0; i < info.nc; i++) {
+ int h, v;
+ comps[i].cid = getbyte();
+ comps[i].hv = getbyte();
+ v = comps[i].hv & 15;
+ h = comps[i].hv >> 4;
+ comps[i].tq = getbyte();
+ if (h > 3 || v > 3)
+ return ERR_ILLEGAL_HV;
+ if (comps[i].tq > 3)
+ return ERR_QUANT_TABLE_SELECTOR;
+ }
+ if (readtables(M_SOS))
+ return ERR_BAD_TABLES;
+ getword();
+ info.ns = getbyte();
+ if (info.ns != 3)
+ return ERR_NOT_YCBCR_221111;
+ for (i = 0; i < 3; i++) {
+ dscans[i].cid = getbyte();
+ tdc = getbyte();
+ tac = tdc & 15;
+ tdc >>= 4;
+ if (tdc > 1 || tac > 1)
+ return ERR_QUANT_TABLE_SELECTOR;
+ for (j = 0; j < info.nc; j++)
+ if (comps[j].cid == dscans[i].cid)
+ break;
+ if (j == info.nc)
+ return ERR_UNKNOWN_CID_IN_SCAN;
+ dscans[i].hv = comps[j].hv;
+ dscans[i].tq = comps[j].tq;
+ dscans[i].hudc.dhuff = dec_huffdc + tdc;
+ dscans[i].huac.dhuff = dec_huffac + tac;
+ }
+
+ i = getbyte();
+ j = getbyte();
+ m = getbyte();
+
+ if (i != 0 || j != 63 || m != 0)
+ return ERR_NOT_SEQUENTIAL_DCT;
+
+ if (dscans[0].cid != 1 || dscans[1].cid != 2 || dscans[2].cid != 3)
+ return ERR_NOT_YCBCR_221111;
+
+ if (dscans[0].hv != 0x22 || dscans[1].hv != 0x11 || dscans[2].hv != 0x11)
+ return ERR_NOT_YCBCR_221111;
+
+ mcusx = width >> 4;
+ mcusy = height >> 4;
+
+
+ idctqtab(quant[dscans[0].tq], decdata->dquant[0]);
+ idctqtab(quant[dscans[1].tq], decdata->dquant[1]);
+ idctqtab(quant[dscans[2].tq], decdata->dquant[2]);
+ initcol(decdata->dquant);
+ setinput(&in, datap);
+
+#if 0
+ /* landing zone */
+ img[len] = 0;
+ img[len + 1] = 0xff;
+ img[len + 2] = M_EOF;
+#endif
+
+ dec_initscans();
+
+ dscans[0].next = 6 - 4;
+ dscans[1].next = 6 - 4 - 1;
+ dscans[2].next = 6 - 4 - 1 - 1; /* 411 encoding */
+ for (my = 0; my < mcusy; my++) {
+ for (mx = 0; mx < mcusx; mx++) {
+ if (info.dri && !--info.nm)
+ if (dec_checkmarker())
+ return ERR_WRONG_MARKER;
+
+ decode_mcus(&in, decdata->dcts, 6, dscans, max);
+ idct(decdata->dcts, decdata->out, decdata->dquant[0], IFIX(128.5), max[0]);
+ idct(decdata->dcts + 64, decdata->out + 64, decdata->dquant[0], IFIX(128.5), max[1]);
+ idct(decdata->dcts + 128, decdata->out + 128, decdata->dquant[0], IFIX(128.5), max[2]);
+ idct(decdata->dcts + 192, decdata->out + 192, decdata->dquant[0], IFIX(128.5), max[3]);
+ idct(decdata->dcts + 256, decdata->out + 256, decdata->dquant[1], IFIX(0.5), max[4]);
+ idct(decdata->dcts + 320, decdata->out + 320, decdata->dquant[2], IFIX(0.5), max[5]);
+
+ switch (depth) {
+ case 24:
+ col221111(decdata->out, pic + (my * 16 * mcusx + mx) * 16 * 3, mcusx * 16 * 3);
+ break;
+ case 16:
+ col221111_16(decdata->out, pic + (my * 16 * mcusx + mx) * (16 * 2), mcusx * (16 * 2));
+ break;
+ default:
+ return ERR_DEPTH_MISMATCH;
+ break;
+ }
+ }
+ }
+
+ m = dec_readmarker(&in);
+ if (m != M_EOI)
+ return ERR_NO_EOI;
+
+ return 0;
+}
+
+/****************************************************************/
+/************** huffman decoder ***************/
+/****************************************************************/
+
+static int fillbits __P((struct in *, int, unsigned int));
+static int dec_rec2
+__P((struct in *, struct dec_hufftbl *, int *, int, int));
+
+static void setinput(in, p)
+struct in *in;
+unsigned char *p;
+{
+ in->p = p;
+ in->left = 0;
+ in->bits = 0;
+ in->marker = 0;
+}
+
+static int fillbits(in, le, bi)
+struct in *in;
+int le;
+unsigned int bi;
+{
+ int b, m;
+
+ if (in->marker) {
+ if (le <= 16)
+ in->bits = bi << 16, le += 16;
+ return le;
+ }
+ while (le <= 24) {
+ b = *in->p++;
+ if (b == 0xff && (m = *in->p++) != 0) {
+ if (m == M_EOF) {
+ if (in->func && (m = in->func(in->data)) == 0)
+ continue;
+ }
+ in->marker = m;
+ if (le <= 16)
+ bi = bi << 16, le += 16;
+ break;
+ }
+ bi = bi << 8 | b;
+ le += 8;
+ }
+ in->bits = bi; /* tmp... 2 return values needed */
+ return le;
+}
+
+static int dec_readmarker(in)
+struct in *in;
+{
+ int m;
+
+ in->left = fillbits(in, in->left, in->bits);
+ if ((m = in->marker) == 0)
+ return 0;
+ in->left = 0;
+ in->marker = 0;
+ return m;
+}
+
+#define LEBI_DCL int le, bi
+#define LEBI_GET(in) (le = in->left, bi = in->bits)
+#define LEBI_PUT(in) (in->left = le, in->bits = bi)
+
+#define GETBITS(in, n) ( \
+ (le < (n) ? le = fillbits(in, le, bi), bi = in->bits : 0), \
+ (le -= (n)), \
+ bi >> le & ((1 << (n)) - 1) \
+)
+
+#define UNGETBITS(in, n) ( \
+ le += (n) \
+)
+
+
+static int dec_rec2(in, hu, runp, c, i)
+struct in *in;
+struct dec_hufftbl *hu;
+int *runp;
+int c, i;
+{
+ LEBI_DCL;
+
+ LEBI_GET(in);
+ if (i) {
+ UNGETBITS(in, i & 127);
+ *runp = i >> 8 & 15;
+ i >>= 16;
+ } else {
+ for (i = DECBITS; (c = ((c << 1) | GETBITS(in, 1))) >= (hu->maxcode[i]); i++);
+ if (i >= 16) {
+ in->marker = M_BADHUFF;
+ return 0;
+ }
+ i = hu->vals[hu->valptr[i] + c - hu->maxcode[i - 1] * 2];
+ *runp = i >> 4;
+ i &= 15;
+ }
+ if (i == 0) { /* sigh, 0xf0 is 11 bit */
+ LEBI_PUT(in);
+ return 0;
+ }
+ /* receive part */
+ c = GETBITS(in, i);
+ if (c < (1 << (i - 1)))
+ c += (-1 << i) + 1;
+ LEBI_PUT(in);
+ return c;
+}
+
+#define DEC_REC(in, hu, r, i) ( \
+ r = GETBITS(in, DECBITS), \
+ i = hu->llvals[r], \
+ i & 128 ? \
+ ( \
+ UNGETBITS(in, i & 127), \
+ r = i >> 8 & 15, \
+ i >> 16 \
+ ) \
+ : \
+ ( \
+ LEBI_PUT(in), \
+ i = dec_rec2(in, hu, &r, r, i), \
+ LEBI_GET(in), \
+ i \
+ ) \
+)
+
+static void decode_mcus(in, dct, n, sc, maxp)
+struct in *in;
+int *dct;
+int n;
+struct scan *sc;
+int *maxp;
+{
+ struct dec_hufftbl *hu;
+ int i, r, t;
+ LEBI_DCL;
+
+ memset(dct, 0, n * 64 * sizeof(*dct));
+ LEBI_GET(in);
+ while (n-- > 0) {
+ hu = sc->hudc.dhuff;
+ *dct++ = (sc->dc += DEC_REC(in, hu, r, t));
+
+ hu = sc->huac.dhuff;
+ i = 63;
+ while (i > 0) {
+ t = DEC_REC(in, hu, r, t);
+ if (t == 0 && r == 0) {
+ dct += i;
+ break;
+ }
+ dct += r;
+ *dct++ = t;
+ i -= r + 1;
+ }
+ *maxp++ = 64 - i;
+ if (n == sc->next)
+ sc++;
+ }
+ LEBI_PUT(in);
+}
+
+static void dec_makehuff(hu, hufflen, huffvals)
+struct dec_hufftbl *hu;
+int *hufflen;
+unsigned char *huffvals;
+{
+ int code, k, i, j, d, x, c, v;
+ for (i = 0; i < (1 << DECBITS); i++)
+ hu->llvals[i] = 0;
+
+/*
+ * llvals layout:
+ *
+ * value v already known, run r, backup u bits:
+ * vvvvvvvvvvvvvvvv 0000 rrrr 1 uuuuuuu
+ * value unknown, size b bits, run r, backup u bits:
+ * 000000000000bbbb 0000 rrrr 0 uuuuuuu
+ * value and size unknown:
+ * 0000000000000000 0000 0000 0 0000000
+ */
+ code = 0;
+ k = 0;
+ for (i = 0; i < 16; i++, code <<= 1) { /* sizes */
+ hu->valptr[i] = k;
+ for (j = 0; j < hufflen[i]; j++) {
+ hu->vals[k] = *huffvals++;
+ if (i < DECBITS) {
+ c = code << (DECBITS - 1 - i);
+ v = hu->vals[k] & 0x0f; /* size */
+ for (d = 1 << (DECBITS - 1 - i); --d >= 0;) {
+ if (v + i < DECBITS) { /* both fit in table */
+ x = d >> (DECBITS - 1 - v -
+ i);
+ if (v && x < (1 << (v - 1)))
+ x += (-1 << v) + 1;
+ x = x << 16 | (hu-> vals[k] & 0xf0) << 4 |
+ (DECBITS - (i + 1 + v)) | 128;
+ } else
+ x = v << 16 | (hu-> vals[k] & 0xf0) << 4 |
+ (DECBITS - (i + 1));
+ hu->llvals[c | d] = x;
+ }
+ }
+ code++;
+ k++;
+ }
+ hu->maxcode[i] = code;
+ }
+ hu->maxcode[16] = 0x20000; /* always terminate decode */
+}
+
+/****************************************************************/
+/************** idct ***************/
+/****************************************************************/
+
+#define ONE ((PREC)IFIX(1.))
+#define S2 ((PREC)IFIX(0.382683432))
+#define C2 ((PREC)IFIX(0.923879532))
+#define C4 ((PREC)IFIX(0.707106781))
+
+#define S22 ((PREC)IFIX(2 * 0.382683432))
+#define C22 ((PREC)IFIX(2 * 0.923879532))
+#define IC4 ((PREC)IFIX(1 / 0.707106781))
+
+#define C3IC1 ((PREC)IFIX(0.847759065)) /* c3/c1 */
+#define C5IC1 ((PREC)IFIX(0.566454497)) /* c5/c1 */
+#define C7IC1 ((PREC)IFIX(0.198912367)) /* c7/c1 */
+
+#define XPP(a,b) (t = a + b, b = a - b, a = t)
+#define XMP(a,b) (t = a - b, b = a + b, a = t)
+#define XPM(a,b) (t = a + b, b = b - a, a = t)
+
+#define ROT(a,b,s,c) ( t = IMULT(a + b, s), \
+ a = IMULT(a, c - s) + t, \
+ b = IMULT(b, c + s) - t)
+
+#define IDCT \
+( \
+ XPP(t0, t1), \
+ XMP(t2, t3), \
+ t2 = IMULT(t2, IC4) - t3, \
+ XPP(t0, t3), \
+ XPP(t1, t2), \
+ XMP(t4, t7), \
+ XPP(t5, t6), \
+ XMP(t5, t7), \
+ t5 = IMULT(t5, IC4), \
+ ROT(t4, t6, S22, C22),\
+ t6 -= t7, \
+ t5 -= t6, \
+ t4 -= t5, \
+ XPP(t0, t7), \
+ XPP(t1, t6), \
+ XPP(t2, t5), \
+ XPP(t3, t4) \
+)
+
+static unsigned char zig2[64] = {
+ 0, 2, 3, 9, 10, 20, 21, 35,
+ 14, 16, 25, 31, 39, 46, 50, 57,
+ 5, 7, 12, 18, 23, 33, 37, 48,
+ 27, 29, 41, 44, 52, 55, 59, 62,
+ 15, 26, 30, 40, 45, 51, 56, 58,
+ 1, 4, 8, 11, 19, 22, 34, 36,
+ 28, 42, 43, 53, 54, 60, 61, 63,
+ 6, 13, 17, 24, 32, 38, 47, 49
+};
+
+void idct(in, out, quant, off, max)
+int *in;
+int *out;
+PREC *quant;
+PREC off;
+int max;
+{
+ PREC t0, t1, t2, t3, t4, t5, t6, t7, t;
+ PREC tmp[64], *tmpp;
+ int i, j;
+ unsigned char *zig2p;
+
+ t0 = off;
+ if (max == 1) {
+ t0 += in[0] * quant[0];
+ for (i = 0; i < 64; i++)
+ out[i] = ITOINT(t0);
+ return;
+ }
+ zig2p = zig2;
+ tmpp = tmp;
+ for (i = 0; i < 8; i++) {
+ j = *zig2p++;
+ t0 += in[j] * quant[j];
+ j = *zig2p++;
+ t5 = in[j] * quant[j];
+ j = *zig2p++;
+ t2 = in[j] * quant[j];
+ j = *zig2p++;
+ t7 = in[j] * quant[j];
+ j = *zig2p++;
+ t1 = in[j] * quant[j];
+ j = *zig2p++;
+ t4 = in[j] * quant[j];
+ j = *zig2p++;
+ t3 = in[j] * quant[j];
+ j = *zig2p++;
+ t6 = in[j] * quant[j];
+ IDCT;
+ tmpp[0 * 8] = t0;
+ tmpp[1 * 8] = t1;
+ tmpp[2 * 8] = t2;
+ tmpp[3 * 8] = t3;
+ tmpp[4 * 8] = t4;
+ tmpp[5 * 8] = t5;
+ tmpp[6 * 8] = t6;
+ tmpp[7 * 8] = t7;
+ tmpp++;
+ t0 = 0;
+ }
+ for (i = 0; i < 8; i++) {
+ t0 = tmp[8 * i + 0];
+ t1 = tmp[8 * i + 1];
+ t2 = tmp[8 * i + 2];
+ t3 = tmp[8 * i + 3];
+ t4 = tmp[8 * i + 4];
+ t5 = tmp[8 * i + 5];
+ t6 = tmp[8 * i + 6];
+ t7 = tmp[8 * i + 7];
+ IDCT;
+ out[8 * i + 0] = ITOINT(t0);
+ out[8 * i + 1] = ITOINT(t1);
+ out[8 * i + 2] = ITOINT(t2);
+ out[8 * i + 3] = ITOINT(t3);
+ out[8 * i + 4] = ITOINT(t4);
+ out[8 * i + 5] = ITOINT(t5);
+ out[8 * i + 6] = ITOINT(t6);
+ out[8 * i + 7] = ITOINT(t7);
+ }
+}
+
+static unsigned char zig[64] = {
+ 0, 1, 5, 6, 14, 15, 27, 28,
+ 2, 4, 7, 13, 16, 26, 29, 42,
+ 3, 8, 12, 17, 25, 30, 41, 43,
+ 9, 11, 18, 24, 31, 40, 44, 53,
+ 10, 19, 23, 32, 39, 45, 52, 54,
+ 20, 22, 33, 38, 46, 51, 55, 60,
+ 21, 34, 37, 47, 50, 56, 59, 61,
+ 35, 36, 48, 49, 57, 58, 62, 63
+};
+
+static PREC aaidct[8] = {
+ IFIX(0.3535533906), IFIX(0.4903926402),
+ IFIX(0.4619397663), IFIX(0.4157348062),
+ IFIX(0.3535533906), IFIX(0.2777851165),
+ IFIX(0.1913417162), IFIX(0.0975451610)
+};
+
+
+static void idctqtab(qin, qout)
+unsigned char *qin;
+PREC *qout;
+{
+ int i, j;
+
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < 8; j++)
+ qout[zig[i * 8 + j]] = qin[zig[i * 8 + j]] *
+ IMULT(aaidct[i], aaidct[j]);
+}
+
+static void scaleidctqtab(q, sc)
+PREC *q;
+PREC sc;
+{
+ int i;
+
+ for (i = 0; i < 64; i++)
+ q[i] = IMULT(q[i], sc);
+}
+
+/****************************************************************/
+/************** color decoder ***************/
+/****************************************************************/
+
+#define ROUND
+
+/*
+ * YCbCr Color transformation:
+ *
+ * y:0..255 Cb:-128..127 Cr:-128..127
+ *
+ * R = Y + 1.40200 * Cr
+ * G = Y - 0.34414 * Cb - 0.71414 * Cr
+ * B = Y + 1.77200 * Cb
+ *
+ * =>
+ * Cr *= 1.40200;
+ * Cb *= 1.77200;
+ * Cg = 0.19421 * Cb + .50937 * Cr;
+ * R = Y + Cr;
+ * G = Y - Cg;
+ * B = Y + Cb;
+ *
+ * =>
+ * Cg = (50 * Cb + 130 * Cr + 128) >> 8;
+ */
+
+static void initcol(q)
+PREC q[][64];
+{
+ scaleidctqtab(q[1], IFIX(1.77200));
+ scaleidctqtab(q[2], IFIX(1.40200));
+}
+
+/* This is optimized for the stupid sun SUNWspro compiler. */
+#define STORECLAMP(a,x) \
+( \
+ (a) = (x), \
+ (unsigned int)(x) >= 256 ? \
+ ((a) = (x) < 0 ? 0 : 255) \
+ : \
+ 0 \
+)
+
+#define CLAMP(x) ((unsigned int)(x) >= 256 ? ((x) < 0 ? 0 : 255) : (x))
+
+#ifdef ROUND
+
+#define CBCRCG(yin, xin) \
+( \
+ cb = outc[0 +yin*8+xin], \
+ cr = outc[64+yin*8+xin], \
+ cg = (50 * cb + 130 * cr + 128) >> 8 \
+)
+
+#else
+
+#define CBCRCG(yin, xin) \
+( \
+ cb = outc[0 +yin*8+xin], \
+ cr = outc[64+yin*8+xin], \
+ cg = (3 * cb + 8 * cr) >> 4 \
+)
+
+#endif
+
+#define PIC(yin, xin, p, xout) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ STORECLAMP(p[(xout) * 3 + 0], y + cr), \
+ STORECLAMP(p[(xout) * 3 + 1], y - cg), \
+ STORECLAMP(p[(xout) * 3 + 2], y + cb) \
+)
+
+#ifdef __LITTLE_ENDIAN
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
+ ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y & 0xff, \
+ p[(xout) * 2 + 1] = y >> 8 \
+)
+#else
+#ifdef CONFIG_PPC
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 7) | \
+ ((CLAMP(y - cg + add*2+1) & 0xf8) << 2) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y >> 8, \
+ p[(xout) * 2 + 1] = y & 0xff \
+)
+#else
+#define PIC_16(yin, xin, p, xout, add) \
+( \
+ y = outy[(yin) * 8 + xin], \
+ y = ((CLAMP(y + cr + add*2+1) & 0xf8) << 8) | \
+ ((CLAMP(y - cg + add ) & 0xfc) << 3) | \
+ ((CLAMP(y + cb + add*2+1) ) >> 3), \
+ p[(xout) * 2 + 0] = y >> 8, \
+ p[(xout) * 2 + 1] = y & 0xff \
+)
+#endif
+#endif
+
+#define PIC221111(xin) \
+( \
+ CBCRCG(0, xin), \
+ PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0), \
+ PIC(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1), \
+ PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0), \
+ PIC(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1) \
+)
+
+#define PIC221111_16(xin) \
+( \
+ CBCRCG(0, xin), \
+ PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 0, pic0, xin * 2 + 0, 3), \
+ PIC_16(xin / 4 * 8 + 0, (xin & 3) * 2 + 1, pic0, xin * 2 + 1, 0), \
+ PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 0, pic1, xin * 2 + 0, 1), \
+ PIC_16(xin / 4 * 8 + 1, (xin & 3) * 2 + 1, pic1, xin * 2 + 1, 2) \
+)
+
+static void col221111(out, pic, width)
+int *out;
+unsigned char *pic;
+int width;
+{
+ int i, j, k;
+ unsigned char *pic0, *pic1;
+ int *outy, *outc;
+ int cr, cg, cb, y;
+
+ pic0 = pic;
+ pic1 = pic + width;
+ outy = out;
+ outc = out + 64 * 4;
+ for (i = 2; i > 0; i--) {
+ for (j = 4; j > 0; j--) {
+ for (k = 0; k < 8; k++) {
+ PIC221111(k);
+ }
+ outc += 8;
+ outy += 16;
+ pic0 += 2 * width;
+ pic1 += 2 * width;
+ }
+ outy += 64 * 2 - 16 * 4;
+ }
+}
+
+static void col221111_16(out, pic, width)
+int *out;
+unsigned char *pic;
+int width;
+{
+ int i, j, k;
+ unsigned char *pic0, *pic1;
+ int *outy, *outc;
+ int cr, cg, cb, y;
+
+ pic0 = pic;
+ pic1 = pic + width;
+ outy = out;
+ outc = out + 64 * 4;
+ for (i = 2; i > 0; i--) {
+ for (j = 4; j > 0; j--) {
+ for (k = 0; k < 8; k++) {
+ PIC221111_16(k);
+ }
+ outc += 8;
+ outy += 16;
+ pic0 += 2 * width;
+ pic1 += 2 * width;
+ }
+ outy += 64 * 2 - 16 * 4;
+ }
+}
--- /dev/null
+++ b/drivers/video/bootsplash/decode-jpg.h
@@ -0,0 +1,35 @@
+/*
+ * linux/drivers/video/bootsplash/decode-jpg.h - a tiny jpeg decoder.
+ *
+ * (w) August 2001 by Michael Schroeder, <mls@suse.de>
+ */
+
+#ifndef __DECODE_JPG_H
+#define __DECODE_JPG_H
+
+#define ERR_NO_SOI 1
+#define ERR_NOT_8BIT 2
+#define ERR_HEIGHT_MISMATCH 3
+#define ERR_WIDTH_MISMATCH 4
+#define ERR_BAD_WIDTH_OR_HEIGHT 5
+#define ERR_TOO_MANY_COMPPS 6
+#define ERR_ILLEGAL_HV 7
+#define ERR_QUANT_TABLE_SELECTOR 8
+#define ERR_NOT_YCBCR_221111 9
+#define ERR_UNKNOWN_CID_IN_SCAN 10
+#define ERR_NOT_SEQUENTIAL_DCT 11
+#define ERR_WRONG_MARKER 12
+#define ERR_NO_EOI 13
+#define ERR_BAD_TABLES 14
+#define ERR_DEPTH_MISMATCH 15
+
+struct jpeg_decdata {
+ int dcts[6 * 64 + 16];
+ int out[64 * 6];
+ int dquant[3][64];
+};
+
+extern int jpeg_decode(unsigned char *, unsigned char *, int, int, int, struct jpeg_decdata *);
+extern int jpeg_check_size(unsigned char *, int, int);
+
+#endif
--- /dev/null
+++ b/drivers/video/bootsplash/render.c
@@ -0,0 +1,328 @@
+/*
+ * linux/drivers/video/bootsplash/render.c - splash screen render functions.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/fb.h>
+#include <linux/vt_kern.h>
+#include <linux/selection.h>
+#include <asm/irq.h>
+#include <asm/system.h>
+
+#include "../console/fbcon.h"
+#include "bootsplash.h"
+
+void splash_putcs(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ const unsigned short *s, int count, int ypos, int xpos)
+{
+ unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ int fgshift = (vc->vc_hi_font_mask) ? 9 : 8;
+ u8 *src;
+ u8 *dst, *splashsrc;
+ unsigned int d, x, y;
+ u32 dd, fgx, bgx;
+ u16 c = scr_readw(s);
+
+ int fg_color, bg_color, transparent;
+ if (console_blanked)
+ return;
+ fg_color = attr_fgcol(fgshift, c);
+ bg_color = attr_bgcol(bgshift, c);
+ transparent = sd->splash_color == bg_color;
+ xpos = xpos * vc->vc_font.width + sd->splash_text_xo;
+ ypos = ypos * vc->vc_font.height + sd->splash_text_yo;
+ splashsrc = (u8 *)(info->splash_pic + ypos * info->splash_bytes + xpos * 2);
+ dst = (u8 *)(info->screen_base + ypos * info->fix.line_length + xpos * 2);
+
+ fgx = ((u32 *)info->pseudo_palette)[fg_color];
+ if (transparent && sd->splash_color == 15) {
+ if (fgx == 0xffea)
+ fgx = 0xfe4a;
+ else if (fgx == 0x57ea)
+ fgx = 0x0540;
+ else if (fgx == 0xffff)
+ fgx = 0x52aa;
+ }
+ bgx = ((u32 *)info->pseudo_palette)[bg_color];
+ d = 0;
+
+ while (count--) {
+ c = scr_readw(s++);
+ src = vc->vc_font.data + (c & charmask) * vc->vc_font.height * ((vc->vc_font.width + 7) >> 3);
+
+ for (y = 0; y < vc->vc_font.height; y++) {
+ for (x = 0; x < vc->vc_font.width; x += 2) {
+ if ((x & 7) == 0)
+ d = *src++;
+ if (d & 0x80)
+ dd = fgx;
+ else
+ dd = transparent ? *(u16 *)splashsrc : bgx;
+ splashsrc += 2;
+ if (d & 0x40)
+ dd |= fgx << 16;
+ else
+ dd |= (transparent ? *(u16 *)splashsrc : bgx) << 16;
+ splashsrc += 2;
+ d <<= 2;
+ fb_writel(dd, dst);
+ dst += 4;
+ }
+ dst += info->fix.line_length - vc->vc_font.width * 2;
+ splashsrc += info->splash_bytes - vc->vc_font.width * 2;
+ }
+ dst -= info->fix.line_length * vc->vc_font.height - vc->vc_font.width * 2;
+ splashsrc -= info->splash_bytes * vc->vc_font.height - vc->vc_font.width * 2;
+ }
+}
+
+static void splash_renderc(struct splash_data *sd, struct fb_info *info, int fg_color, int bg_color, u8 *src, int ypos, int xpos, int height, int width)
+{
+ int transparent = sd->splash_color == bg_color;
+ u32 dd, fgx, bgx;
+ u8 *dst, *splashsrc;
+ unsigned int d, x, y;
+
+ if (console_blanked)
+ return;
+ splashsrc = (u8 *)(info->splash_pic + ypos * info->splash_bytes + xpos * 2);
+ dst = (u8 *)(info->screen_base + ypos * info->fix.line_length + xpos * 2);
+ fgx = ((u32 *)info->pseudo_palette)[fg_color];
+ if (transparent && sd->splash_color == 15) {
+ if (fgx == 0xffea)
+ fgx = 0xfe4a;
+ else if (fgx == 0x57ea)
+ fgx = 0x0540;
+ else if (fgx == 0xffff)
+ fgx = 0x52aa;
+ }
+ bgx = ((u32 *)info->pseudo_palette)[bg_color];
+ d = 0;
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x += 2) {
+ if ((x & 7) == 0)
+ d = *src++;
+ if (d & 0x80)
+ dd = fgx;
+ else
+ dd = transparent ? *(u16 *)splashsrc : bgx;
+ splashsrc += 2;
+ if (d & 0x40)
+ dd |= fgx << 16;
+ else
+ dd |= (transparent ? *(u16 *)splashsrc : bgx) << 16;
+ splashsrc += 2;
+ d <<= 2;
+ fb_writel(dd, dst);
+ dst += 4;
+ }
+ dst += info->fix.line_length - width * 2;
+ splashsrc += info->splash_bytes - width * 2;
+ }
+}
+
+void splash_putc(struct splash_data *sd, struct vc_data *vc, struct fb_info *info,
+ int c, int ypos, int xpos)
+{
+ unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
+ int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ int fgshift = (vc->vc_hi_font_mask) ? 9 : 8;
+ u8 *src = vc->vc_font.data + (c & charmask) * vc->vc_font.height * ((vc->vc_font.width + 7) >> 3);
+ xpos = xpos * vc->vc_font.width + sd->splash_text_xo;
+ ypos = ypos * vc->vc_font.height + sd->splash_text_yo;
+ splash_renderc(sd, info, attr_fgcol(fgshift, c), attr_bgcol(bgshift, c), src, ypos, xpos, vc->vc_font.height, vc->vc_font.width);
+}
+
+void splashcopy(u8 *dst, u8 *src, int height, int width, int dstbytes, int srcbytes)
+{
+ int i;
+
+ while (height-- > 0) {
+ u32 *p = (u32 *)dst;
+ u32 *q = (u32 *)src;
+ 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);
+ dst += dstbytes;
+ src += srcbytes;
+ }
+}
+
+static void splashset(u8 *dst, int height, int width, int dstbytes, u32 bgx) {
+ int i;
+
+ bgx |= bgx << 16;
+ while (height-- > 0) {
+ u32 *p = (u32 *)dst;
+ for (i=0; i < width/4; i++) {
+ fb_writel(bgx,p++);
+ fb_writel(bgx,p++);
+ }
+ if (width & 2)
+ fb_writel(bgx,p++);
+ if (width & 1)
+ fb_writew(bgx,(u16*)p);
+ dst += dstbytes;
+ }
+}
+
+static void splashfill(struct fb_info *info, int sy, int sx, int height, int width) {
+ splashcopy((u8 *)(info->screen_base + sy * info->fix.line_length + sx * 2), (u8 *)(info->splash_pic + sy * info->splash_bytes + sx * 2), height, width, info->fix.line_length, info->splash_bytes);
+}
+
+void splash_clear(struct splash_data *sd, 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, info);
+ int transparent = sd->splash_color == bg_color;
+ u32 bgx;
+ u8 *dst;
+
+ if (console_blanked)
+ return;
+ sy = sy * vc->vc_font.height + sd->splash_text_yo;
+ sx = sx * vc->vc_font.width + sd->splash_text_xo;
+ height *= vc->vc_font.height;
+ width *= vc->vc_font.width;
+ if (transparent) {
+ splashfill(info, sy, sx, height, width);
+ return;
+ }
+ dst = (u8 *)(info->screen_base + sy * info->fix.line_length + sx * 2);
+ bgx = ((u32 *)info->pseudo_palette)[bg_color];
+ splashset(dst, height, width, info->fix.line_length, bgx);
+}
+
+void splash_bmove(struct splash_data *sd, struct vc_data *vc, struct fb_info *info, int sy,
+ int sx, int dy, int dx, int height, int width)
+{
+ struct fb_copyarea area;
+
+ if (console_blanked)
+ return;
+ area.sx = sx * vc->vc_font.width;
+ area.sy = sy * vc->vc_font.height;
+ area.dx = dx * vc->vc_font.width;
+ area.dy = dy * vc->vc_font.height;
+ area.sx += sd->splash_text_xo;
+ area.sy += sd->splash_text_yo;
+ area.dx += sd->splash_text_xo;
+ area.dy += sd->splash_text_yo;
+ area.height = height * vc->vc_font.height;
+ area.width = width * vc->vc_font.width;
+
+ info->fbops->fb_copyarea(info, &area);
+}
+
+void splash_clear_margins(struct splash_data *sd, 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 (console_blanked)
+ return;
+ if (!bottom_only) {
+ /* top margin */
+ splashfill(info, 0, 0, sd->splash_text_yo, info->var.xres);
+ /* left margin */
+ splashfill(info, sd->splash_text_yo, 0, th, sd->splash_text_xo);
+ /* right margin */
+ splashfill(info, sd->splash_text_yo, sd->splash_text_xo + tw, th, info->var.xres - sd->splash_text_xo - tw);
+
+ }
+ splashfill(info, sd->splash_text_yo + th, 0, info->var.yres - sd->splash_text_yo - th, info->var.xres);
+}
+
+int splash_cursor(struct splash_data *sd, struct fb_info *info, struct fb_cursor *cursor)
+{
+ int i;
+ unsigned int dsize, s_pitch;
+
+ if (info->state != FBINFO_STATE_RUNNING)
+ return 0;
+
+ 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++)
+ info->fb_cursordata[i] = cursor->image.data[i] ^ cursor->mask[i];
+ break;
+ case ROP_COPY:
+ default:
+ for (i = 0; i < dsize; i++)
+ info->fb_cursordata[i] = cursor->image.data[i] & cursor->mask[i];
+ break;
+ }
+ } else if (info->fb_cursordata != cursor->image.data)
+ memcpy(info->fb_cursordata, cursor->image.data, dsize);
+ cursor->image.data = info->fb_cursordata;
+ splash_renderc(sd, info, cursor->image.fg_color, cursor->image.bg_color, (u8 *)info->fb_cursordata, cursor->image.dy + sd->splash_text_yo, cursor->image.dx + sd->splash_text_xo, cursor->image.height, cursor->image.width);
+ return 0;
+}
+
+void splash_bmove_redraw(struct splash_data *sd, struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width)
+{
+ unsigned short *d = (unsigned short *) (vc->vc_origin + vc->vc_size_row * y + dx * 2);
+ unsigned short *s = d + (dx - sx);
+ unsigned short *start = d;
+ unsigned short *ls = d;
+ unsigned short *le = d + width;
+ unsigned short c;
+ int x = dx;
+ unsigned short attr = 1;
+
+ if (console_blanked)
+ return;
+ do {
+ c = scr_readw(d);
+ if (attr != (c & 0xff00)) {
+ attr = c & 0xff00;
+ if (d > start) {
+ splash_putcs(sd, vc, info, start, d - start, y, x);
+ x += d - start;
+ start = d;
+ }
+ }
+ if (s >= ls && s < le && c == scr_readw(s)) {
+ if (d > start) {
+ splash_putcs(sd, 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)
+ splash_putcs(sd, vc, info, start, d - start, y, x);
+}
+
+void splash_blank(struct splash_data *sd, struct vc_data *vc, struct fb_info *info, int blank)
+{
+ if (blank) {
+ if (info->silent_screen_base)
+ splashset((u8 *)info->silent_screen_base, info->var.yres, info->var.xres, info->fix.line_length, 0);
+ splashset((u8 *)info->screen_base, info->var.yres, info->var.xres, info->fix.line_length, 0);
+ } else {
+ if (info->silent_screen_base)
+ splash_prepare(vc, info);
+ splash_clear_margins(vc->vc_splash_data, vc, info, 0);
+ /* no longer needed, done in fbcon_blank */
+ /* update_screen(vc->vc_num); */
+ }
+}
+
--- a/drivers/video/console/bitblit.c
+++ b/drivers/video/console/bitblit.c
@@ -17,6 +17,9 @@
#include <linux/console.h>
#include <asm/types.h>
#include "fbcon.h"
+#ifdef CONFIG_BOOTSPLASH
+#include "../bootsplash/bootsplash.h"
+#endif
/*
* Accelerated handlers.
@@ -47,6 +50,13 @@ static void bit_bmove(struct vc_data *vc
{
struct fb_copyarea area;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_bmove(info->splash_data, vc, info,
+ sy, sx, dy, dx, height, width);
+ return;
+ }
+#endif
area.sx = sx * vc->vc_font.width;
area.sy = sy * vc->vc_font.height;
area.dx = dx * vc->vc_font.width;
@@ -63,6 +73,13 @@ static void bit_clear(struct vc_data *vc
int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
struct fb_fillrect region;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_clear(info->splash_data, vc, info,
+ sy, sx, height, width);
+ return;
+ }
+#endif
region.color = attr_bgcol_ec(bgshift, vc, info);
region.dx = sx * vc->vc_font.width;
region.dy = sy * vc->vc_font.height;
@@ -160,6 +177,13 @@ static void bit_putcs(struct vc_data *vc
image.height = vc->vc_font.height;
image.depth = 1;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_putcs(info->splash_data, vc, info, s, count, yy, xx);
+ return;
+ }
+#endif
+
if (attribute) {
buf = kmalloc(cellsize, GFP_KERNEL);
if (!buf)
@@ -213,6 +237,13 @@ static void bit_clear_margins(struct vc_
unsigned int bs = info->var.yres - bh;
struct fb_fillrect region;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_clear_margins(info->splash_data, vc, info, bottom_only);
+ return;
+ }
+#endif
+
region.color = attr_bgcol_ec(bgshift, vc, info);
region.rop = ROP_COPY;
@@ -379,6 +410,14 @@ static void bit_cursor(struct vc_data *v
cursor.image.depth = 1;
cursor.rop = ROP_XOR;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_cursor(info->splash_data, info, &cursor);
+ ops->cursor_reset = 0;
+ return;
+ }
+#endif
+
if (info->fbops->fb_cursor)
err = info->fbops->fb_cursor(info, &cursor);
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -80,6 +80,9 @@
#include <asm/system.h>
#include "fbcon.h"
+#ifdef CONFIG_BOOTSPLASH
+#include "../bootsplash/bootsplash.h"
+#endif
#ifdef FBCONDEBUG
# define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__ , ## args)
@@ -95,7 +98,11 @@ enum {
static struct display fb_display[MAX_NR_CONSOLES];
+#ifdef CONFIG_BOOTSPLASH
+signed char con2fb_map[MAX_NR_CONSOLES];
+#else
static signed char con2fb_map[MAX_NR_CONSOLES];
+#endif
static signed char con2fb_map_boot[MAX_NR_CONSOLES];
static int logo_lines;
@@ -537,6 +544,10 @@ static int fbcon_takeover(int show_logo)
for (i = first_fb_vc; i <= last_fb_vc; i++)
con2fb_map[i] = info_idx;
+#ifdef CONFIG_BOOTSPLASH
+ splash_init();
+#endif
+
err = take_over_console(&fb_con, first_fb_vc, last_fb_vc,
fbcon_is_default);
@@ -1099,6 +1110,16 @@ static void fbcon_init(struct vc_data *v
new_cols /= vc->vc_font.width;
new_rows /= vc->vc_font.height;
+#ifdef CONFIG_BOOTSPLASH
+ if (vc->vc_splash_data && vc->vc_splash_data->splash_state) {
+ new_cols = vc->vc_splash_data->splash_text_wi / vc->vc_font.width;
+ new_rows = vc->vc_splash_data->splash_text_he / vc->vc_font.height;
+ logo = 0;
+ con_remap_def_color(vc, vc->vc_splash_data->splash_color << 4 | vc->vc_splash_data->splash_fg_color);
+ }
+#endif
+
+
/*
* We must always set the mode. The mode of the previous console
* driver could be in the same resolution but we are using different
@@ -1800,6 +1821,10 @@ static int fbcon_scroll(struct vc_data *
fbcon_softback_note(vc, t, count);
if (logo_shown >= 0)
goto redraw_up;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data)
+ goto redraw_up;
+#endif
switch (p->scrollmode) {
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, t, b - t - count,
@@ -1891,6 +1916,10 @@ static int fbcon_scroll(struct vc_data *
count = vc->vc_rows;
if (logo_shown >= 0)
goto redraw_down;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data)
+ goto redraw_down;
+#endif
switch (p->scrollmode) {
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
@@ -2039,6 +2068,14 @@ static void fbcon_bmove_rec(struct vc_da
}
return;
}
+
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data && sy == dy && height == 1) {
+ /* must use slower redraw bmove to keep background pic intact */
+ splash_bmove_redraw(info->splash_data, vc, info, sy, sx, dx, width);
+ return;
+ }
+#endif
ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx,
height, width);
}
@@ -2147,6 +2184,10 @@ static int fbcon_switch(struct vc_data *
info = registered_fb[con2fb_map[vc->vc_num]];
ops = info->fbcon_par;
+#ifdef CONFIG_BOOTSPLASH
+ splash_prepare(vc, info);
+#endif
+
if (softback_top) {
if (softback_lines)
fbcon_set_origin(vc);
@@ -2280,6 +2321,12 @@ static void fbcon_generic_blank(struct v
{
struct fb_event event;
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ splash_blank(info->splash_data, vc, info, blank);
+ return;
+ }
+#endif
if (blank) {
unsigned short charmask = vc->vc_hi_font_mask ?
0x1ff : 0xff;
@@ -2481,6 +2528,12 @@ static int fbcon_do_set_font(struct vc_d
cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
+#ifdef CONFIG_BOOTSPLASH
+ if (info->splash_data) {
+ cols = info->splash_data->splash_text_wi;
+ rows = info->splash_data->splash_text_he;
+ }
+#endif
cols /= w;
rows /= h;
vc_resize(vc, cols, rows);
--- a/drivers/video/console/fbcon.h
+++ b/drivers/video/console/fbcon.h
@@ -25,6 +25,34 @@
* low-level frame buffer device
*/
+#ifdef CONFIG_BOOTSPLASH
+struct splash_data {
+ int splash_state; /* show splash? */
+ int splash_color; /* transparent color */
+ int splash_fg_color; /* foreground color */
+ int splash_width; /* width of image */
+ int splash_height; /* height of image */
+ int splash_text_xo; /* text area origin */
+ int splash_text_yo;
+ int splash_text_wi; /* text area size */
+ int splash_text_he;
+ int splash_showtext; /* silent/verbose mode */
+ int splash_boxcount;
+ int splash_percent;
+ int splash_overpaintok; /* is it ok to overpaint boxes */
+ int splash_palcnt;
+ char *oldscreen_base; /* pointer to top of virtual screen */
+ unsigned char *splash_boxes;
+ unsigned char *splash_jpeg; /* jpeg */
+ unsigned char *splash_palette; /* palette for 8-bit */
+
+ int splash_dosilent; /* show silent jpeg */
+ unsigned char *splash_silentjpeg;
+ unsigned char *splash_sboxes;
+ int splash_sboxcount;
+};
+#endif
+
struct display {
/* Filled in by the low-level console driver */
const u_char *fontdata;
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -182,7 +182,10 @@ static void vesafb_destroy(struct fb_inf
framebuffer_release(info);
}
-static struct fb_ops vesafb_ops = {
+#ifndef CONFIG_BOOTSPLASH
+static
+#endif
+struct fb_ops vesafb_ops = {
.owner = THIS_MODULE,
.fb_destroy = vesafb_destroy,
.fb_setcolreg = vesafb_setcolreg,
@@ -267,6 +270,9 @@ static int __devinit vesafb_probe(struct
* option to simply use size_total as that
* wastes plenty of kernel address space. */
size_remap = size_vmode * 2;
+#ifdef CONFIG_BOOTSPLASH
+ size_remap *= 2; /* some more for the images */
+#endif
if (vram_remap)
size_remap = vram_remap * 1024 * 1024;
if (size_remap < size_vmode)
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -105,6 +105,9 @@ struct vc_data {
struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
unsigned long vc_uni_pagedir;
unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
+#ifdef CONFIG_BOOTSPLASH
+ struct splash_data *vc_splash_data;
+#endif
/* additional information is in vt_kern.h */
};
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -859,6 +859,14 @@ struct fb_info {
void *fbcon_par; /* fbcon use-only private area */
/* From here on everything is device dependent */
void *par;
+#ifdef CONFIG_BOOTSPLASH
+ struct splash_data *splash_data;
+ unsigned char *splash_pic;
+ int splash_pic_size;
+ int splash_bytes;
+ char *silent_screen_base; /* real screen base */
+ char fb_cursordata[64];
+#endif
/* we need the PCI or similiar aperture base/size not
smem_start/size as smem_start may just be an object
allocated inside the aperture so may not actually overlap */
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -122,7 +122,12 @@ NORET_TYPE void panic(const char * fmt,
* We can't use the "normal" timers since we just panicked.
*/
printk(KERN_EMERG "Rebooting in %d seconds..", panic_timeout);
-
+#ifdef CONFIG_BOOTSPLASH
+ {
+ extern int splash_verbose(void);
+ (void)splash_verbose();
+ }
+#endif
for (i = 0; i < panic_timeout; i++) {
touch_nmi_watchdog();
panic_blink_one_second();
@@ -151,6 +156,12 @@ NORET_TYPE void panic(const char * fmt,
}
#endif
local_irq_enable();
+#ifdef CONFIG_BOOTSPLASH
+ {
+ extern int splash_verbose(void);
+ (void)splash_verbose();
+ }
+#endif
while (1) {
touch_softlockup_watchdog();
panic_blink_one_second();
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