Magellan Linux

Annotation of /trunk/kernel26-magellan/patches-2.6.21-r3/0150-2.6.21-fbsplash-0.9.2-r5.patch

Parent Directory Parent Directory | Revision Log Revision Log


Revision 220 - (hide annotations) (download)
Sun Jun 10 22:40:30 2007 UTC (16 years, 11 months ago) by niro
File size: 53801 byte(s)
files for 2.6.21-magellan-r3

1 niro 220 Index: linux-2.6.21/Documentation/fb/00-INDEX
2     ===================================================================
3     --- linux-2.6.21.orig/Documentation/fb/00-INDEX
4     +++ linux-2.6.21/Documentation/fb/00-INDEX
5     @@ -19,6 +19,8 @@ matroxfb.txt
6     - info on the Matrox frame buffer driver
7     pvr2fb.txt
8     - info on the PowerVR 2 frame buffer driver
9     +splash.txt
10     + - info on the Framebuffer Splash
11     tgafb.txt
12     - info on the TGA (DECChip 21030) frame buffer driver
13     vesafb.txt
14     Index: linux-2.6.21/Documentation/fb/splash.txt
15     ===================================================================
16     --- /dev/null
17     +++ linux-2.6.21/Documentation/fb/splash.txt
18     @@ -0,0 +1,207 @@
19     +What is it?
20     +-----------
21     +
22     +The framebuffer splash is a kernel feature that allows displaying a background
23     +picture on selected consoles.
24     +
25     +What do I need to get it to work?
26     +---------------------------------
27     +
28     +To get fb splash up-and-running you will have to:
29     + 1) get a copy of splashutils [1] or a similar program
30     + 2) get some splash themes
31     + 3) build the kernel helper program
32     + 4) build your kernel with the FB_SPLASH option enabled.
33     +
34     +To get fbsplash operational right after fbcon initialization is finished, you
35     +will have to include a theme and the kernel helper into your initramfs image.
36     +Please refer to splashutils documentation for instructions on how to do that.
37     +
38     +[1] The splashutils package can be downloaded from:
39     + http://dev.gentoo.org/~spock/projects/splashutils/
40     +
41     +The userspace helper
42     +--------------------
43     +
44     +The userspace splash helper (by default: /sbin/splash_helper) is called by the
45     +kernel whenever an important event occurs and the kernel needs some kind of
46     +job to be carried out. Important events include console switches and video
47     +mode switches (the kernel requests background images and configuration
48     +parameters for the current console). The splash helper must be accessible at
49     +all times. If it's not, fbsplash will be switched off automatically.
50     +
51     +It's possible to set path to the splash helper by writing it to
52     +/proc/sys/kernel/fbsplash.
53     +
54     +*****************************************************************************
55     +
56     +The information below is mostly technical stuff. There's probably no need to
57     +read it unless you plan to develop a userspace helper.
58     +
59     +The splash protocol
60     +-------------------
61     +
62     +The splash protocol defines a communication interface between the kernel and
63     +the userspace splash helper.
64     +
65     +The kernel side is responsible for:
66     +
67     + * rendering console text, using an image as a background (instead of a
68     + standard solid color fbcon uses),
69     + * accepting commands from the user via ioctls on the fbsplash device,
70     + * calling the userspace helper to set things up as soon as the fb subsystem
71     + is initialized.
72     +
73     +The userspace helper is responsible for everything else, including parsing
74     +configuration files, decompressing the image files whenever the kernel needs
75     +it, and communicating with the kernel if necessary.
76     +
77     +The splash protocol specifies how communication is done in both ways:
78     +kernel->userspace and userspace->helper.
79     +
80     +Kernel -> Userspace
81     +-------------------
82     +
83     +The kernel communicates with the userspace helper by calling it and specifying
84     +the task to be done in a series of arguments.
85     +
86     +The arguments follow the pattern:
87     +<splash protocol version> <command> <parameters>
88     +
89     +All commands defined in splash protocol v2 have the following parameters:
90     + virtual console
91     + framebuffer number
92     + theme
93     +
94     +Splash protocol v1 specified an additional 'fbsplash mode' after the
95     +framebuffer number. Splash protocol v1 is deprecated and should not be used.
96     +
97     +Splash protocol v2 specifies the following commands:
98     +
99     +getpic
100     +------
101     + The kernel issues this command to request image data. It's up to the
102     + userspace helper to find a background image appropriate for the specified
103     + theme and the current resolution. The userspace helper should respond by
104     + issuing the FBIOSPLASH_SETPIC ioctl.
105     +
106     +init
107     +----
108     + The kernel issues this command after the fbsplash device is created and
109     + the fbsplash interface is initialized. Upon receiving 'init', the userspace
110     + helper should parse the kernel command line (/proc/cmdline) or otherwise
111     + decide whether fbsplash is to be activated.
112     +
113     + To activate fbsplash on the first console the helper should issue the
114     + FBIOSPLASH_SETCFG, FBIOSPLASH_SETPIC and FBIOSPLASH_SETSTATE commands,
115     + in the above-mentioned order.
116     +
117     + When the userspace helper is called in an early phase of the boot process
118     + (right after the initialization of fbcon), no filesystems will be mounted.
119     + The helper program should mount sysfs and then create the appropriate
120     + framebuffer, fbsplash and tty0 devices (if they don't already exist) to get
121     + current display settings and to be able to communicate with the kernel side.
122     + It should probably also mount the procfs to be able to parse the kernel
123     + command line parameters.
124     +
125     + Note that the console sem is not held when the kernel calls splash_helper
126     + with the 'init' command. The splash helper should perform all ioctls with
127     + origin set to FB_SPLASH_IO_ORIG_USER.
128     +
129     +modechange
130     +----------
131     + The kernel issues this command on a mode change. The helper's response should
132     + be similar to the response to the 'init' command. Note that this time the
133     + console sem is held and all ioctls must be performed with origin set to
134     + FB_SPLASH_IO_ORIG_KERNEL.
135     +
136     +
137     +Userspace -> Kernel
138     +-------------------
139     +
140     +Userspace programs can communicate with fbsplash via ioctls on the fbsplash
141     +device. These ioctls are to be used by both the userspace helper (called
142     +only by the kernel) and userspace configuration tools (run by the users).
143     +
144     +The splash helper should set the origin field to FB_SPLASH_IO_ORIG_KERNEL
145     +when doing the appropriate ioctls. All userspace configuration tools should
146     +use FB_SPLASH_IO_ORIG_USER. Failure to set the appropriate value in the origin
147     +field when performing ioctls from the kernel helper will most likely result
148     +in a console deadlock.
149     +
150     +FB_SPLASH_IO_ORIG_KERNEL instructs fbsplash not to try to acquire the console
151     +semaphore. Not surprisingly, FB_SPLASH_IO_ORIG_USER instructs it to acquire
152     +the console sem.
153     +
154     +The framebuffer splash provides the following ioctls (all defined in
155     +linux/fb.h):
156     +
157     +FBIOSPLASH_SETPIC
158     +description: loads a background picture for a virtual console
159     +argument: struct fb_splash_iowrapper*; data: struct fb_image*
160     +notes:
161     +If called for consoles other than the current foreground one, the picture data
162     +will be ignored.
163     +
164     +If the current virtual console is running in a 8-bpp mode, the cmap substruct
165     +of fb_image has to be filled appropriately: start should be set to 16 (first
166     +16 colors are reserved for fbcon), len to a value <= 240 and red, green and
167     +blue should point to valid cmap data. The transp field is ingored. The fields
168     +dx, dy, bg_color, fg_color in fb_image are ignored as well.
169     +
170     +FBIOSPLASH_SETCFG
171     +description: sets the fbsplash config for a virtual console
172     +argument: struct fb_splash_iowrapper*; data: struct vc_splash*
173     +notes: The structure has to be filled with valid data.
174     +
175     +FBIOSPLASH_GETCFG
176     +description: gets the fbsplash config for a virtual console
177     +argument: struct fb_splash_iowrapper*; data: struct vc_splash*
178     +
179     +FBIOSPLASH_SETSTATE
180     +description: sets the fbsplash state for a virtual console
181     +argument: struct fb_splash_iowrapper*; data: unsigned int*
182     + values: 0 = disabled, 1 = enabled.
183     +
184     +FBIOSPLASH_GETSTATE
185     +description: gets the fbsplash state for a virtual console
186     +argument: struct fb_splash_iowrapper*; data: unsigned int*
187     + values: as in FBIOSPLASH_SETSTATE
188     +
189     +Info on used structures:
190     +
191     +Definition of struct vc_splash can be found in linux/console_splash.h. It's
192     +heavily commented. Note that the 'theme' field should point to a string
193     +no longer than FB_SPLASH_THEME_LEN. When FBIOSPLASH_GETCFG call is
194     +performed, the theme field should point to a char buffer of length
195     +FB_SPLASH_THEME_LEN.
196     +
197     +Definition of struct fb_splash_iowrapper can be found in linux/fb.h.
198     +The fields in this struct have the following meaning:
199     +
200     +vc:
201     +Virtual console number.
202     +
203     +origin:
204     +Specifies if the ioctl is performed as a response to a kernel request. The
205     +splash helper should set this field to FB_SPLASH_IO_ORIG_KERNEL, userspace
206     +programs should set it to FB_SPLASH_IO_ORIG_USER. This field is necessary to
207     +avoid console semaphore deadlocks.
208     +
209     +data:
210     +Pointer to a data structure appropriate for the performed ioctl. Type of
211     +the data struct is specified in the ioctls description.
212     +
213     +*****************************************************************************
214     +
215     +Credit
216     +------
217     +
218     +Original 'bootsplash' project & implementation by:
219     + Volker Poplawski <volker@poplawski.de>, Stefan Reinauer <stepan@suse.de>,
220     + Steffen Winterfeldt <snwint@suse.de>, Michael Schroeder <mls@suse.de>,
221     + Ken Wimer <wimer@suse.de>.
222     +
223     +Fbsplash, splash protocol design, current implementation & docs by:
224     + Michal Januszewski <spock@gentoo.org>
225     +
226     Index: linux-2.6.21/drivers/Makefile
227     ===================================================================
228     --- linux-2.6.21.orig/drivers/Makefile
229     +++ linux-2.6.21/drivers/Makefile
230     @@ -8,6 +8,9 @@
231     obj-$(CONFIG_PCI) += pci/
232     obj-$(CONFIG_PARISC) += parisc/
233     obj-$(CONFIG_RAPIDIO) += rapidio/
234     +# char/ comes before serial/ etc so that the VT console is the boot-time
235     +# default.
236     +obj-y += char/
237     obj-y += video/
238     obj-$(CONFIG_ACPI) += acpi/
239     # PnP must come after ACPI since it will eventually need to check if acpi
240     @@ -15,10 +18,6 @@ obj-$(CONFIG_ACPI) += acpi/
241     obj-$(CONFIG_PNP) += pnp/
242     obj-$(CONFIG_ARM_AMBA) += amba/
243    
244     -# char/ comes before serial/ etc so that the VT console is the boot-time
245     -# default.
246     -obj-y += char/
247     -
248     obj-$(CONFIG_CONNECTOR) += connector/
249    
250     # i810fb and intelfb depend on char/agp/
251     Index: linux-2.6.21/drivers/video/Kconfig
252     ===================================================================
253     --- linux-2.6.21.orig/drivers/video/Kconfig
254     +++ linux-2.6.21/drivers/video/Kconfig
255     @@ -1663,5 +1663,15 @@ if FB || SGI_NEWPORT_CONSOLE
256     source "drivers/video/logo/Kconfig"
257     endif
258    
259     -endmenu
260     +config FB_SPLASH
261     + bool "Support for the framebuffer splash"
262     + depends on FRAMEBUFFER_CONSOLE=y && !FB_TILEBLITTING
263     + default n
264     + ---help---
265     + This option enables support for the Linux boot-up splash screen and
266     + graphical backgrounds on consoles. Note that you will need userspace
267     + splash utilities in order to take advantage of these features. Refer
268     + to Documentation/fb/splash.txt for more information.
269    
270     + If unsure, say N.
271     +endmenu
272     Index: linux-2.6.21/drivers/video/Makefile
273     ===================================================================
274     --- linux-2.6.21.orig/drivers/video/Makefile
275     +++ linux-2.6.21/drivers/video/Makefile
276     @@ -13,6 +13,7 @@ fb-objs := $(f
277     obj-$(CONFIG_VT) += console/
278     obj-$(CONFIG_LOGO) += logo/
279     obj-y += backlight/
280     +obj-$(CONFIG_FB_SPLASH) += fbsplash.o cfbsplash.o
281    
282     obj-$(CONFIG_FB_CFB_FILLRECT) += cfbfillrect.o
283     obj-$(CONFIG_FB_CFB_COPYAREA) += cfbcopyarea.o
284     Index: linux-2.6.21/drivers/video/cfbsplash.c
285     ===================================================================
286     --- /dev/null
287     +++ linux-2.6.21/drivers/video/cfbsplash.c
288     @@ -0,0 +1,471 @@
289     +/*
290     + * linux/drivers/video/cfbsplash.c -- Framebuffer splash render functions
291     + *
292     + * Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
293     + *
294     + * Code based upon "Bootsplash" (C) 2001-2003
295     + * Volker Poplawski <volker@poplawski.de>,
296     + * Stefan Reinauer <stepan@suse.de>,
297     + * Steffen Winterfeldt <snwint@suse.de>,
298     + * Michael Schroeder <mls@suse.de>,
299     + * Ken Wimer <wimer@suse.de>.
300     + *
301     + * This file is subject to the terms and conditions of the GNU General Public
302     + * License. See the file COPYING in the main directory of this archive for
303     + * more details.
304     + */
305     +#include <linux/module.h>
306     +#include <linux/types.h>
307     +#include <linux/fb.h>
308     +#include <linux/selection.h>
309     +#include <linux/vt_kern.h>
310     +#include <asm/irq.h>
311     +#include <asm/system.h>
312     +
313     +#include "console/fbcon.h"
314     +#include "fbsplash.h"
315     +
316     +#define parse_pixel(shift,bpp,type) \
317     + do { \
318     + if (d & (0x80 >> (shift))) \
319     + dd2[(shift)] = fgx; \
320     + else \
321     + dd2[(shift)] = transparent ? *(type *)splash_src : bgx; \
322     + splash_src += (bpp); \
323     + } while (0) \
324     +
325     +extern int get_color(struct vc_data *vc, struct fb_info *info,
326     + u16 c, int is_fg);
327     +
328     +void fbsplash_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc)
329     +{
330     + int i, j, k;
331     + int minlen = min(min(info->var.red.length, info->var.green.length),
332     + info->var.blue.length);
333     + u32 col;
334     +
335     + for (j = i = 0; i < 16; i++) {
336     + k = color_table[i];
337     +
338     + col = ((vc->vc_palette[j++] >> (8-minlen))
339     + << info->var.red.offset);
340     + col |= ((vc->vc_palette[j++] >> (8-minlen))
341     + << info->var.green.offset);
342     + col |= ((vc->vc_palette[j++] >> (8-minlen))
343     + << info->var.blue.offset);
344     + ((u32 *)info->pseudo_palette)[k] = col;
345     + }
346     +}
347     +
348     +void fbsplash_renderc(struct fb_info *info, int ypos, int xpos, int height,
349     + int width, u8* src, u32 fgx, u32 bgx, u8 transparent)
350     +{
351     + unsigned int x, y;
352     + u32 dd;
353     + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
354     + unsigned int d = ypos * info->fix.line_length + xpos * bytespp;
355     + unsigned int ds = (ypos * info->var.xres + xpos) * bytespp;
356     + u16 dd2[4];
357     +
358     + u8* splash_src = (u8 *)(info->splash.data + ds);
359     + u8* dst = (u8 *)(info->screen_base + d);
360     +
361     + if ((ypos + height) > info->var.yres || (xpos + width) > info->var.xres)
362     + return;
363     +
364     + for (y = 0; y < height; y++) {
365     + switch (info->var.bits_per_pixel) {
366     +
367     + case 32:
368     + for (x = 0; x < width; x++) {
369     +
370     + if ((x & 7) == 0)
371     + d = *src++;
372     + if (d & 0x80)
373     + dd = fgx;
374     + else
375     + dd = transparent ?
376     + *(u32 *)splash_src : bgx;
377     +
378     + d <<= 1;
379     + splash_src += 4;
380     + fb_writel(dd, dst);
381     + dst += 4;
382     + }
383     + break;
384     + case 24:
385     + for (x = 0; x < width; x++) {
386     +
387     + if ((x & 7) == 0)
388     + d = *src++;
389     + if (d & 0x80)
390     + dd = fgx;
391     + else
392     + dd = transparent ?
393     + (*(u32 *)splash_src & 0xffffff) : bgx;
394     +
395     + d <<= 1;
396     + splash_src += 3;
397     +#ifdef __LITTLE_ENDIAN
398     + fb_writew(dd & 0xffff, dst);
399     + dst += 2;
400     + fb_writeb((dd >> 16), dst);
401     +#else
402     + fb_writew(dd >> 8, dst);
403     + dst += 2;
404     + fb_writeb(dd & 0xff, dst);
405     +#endif
406     + dst++;
407     + }
408     + break;
409     + case 16:
410     + for (x = 0; x < width; x += 2) {
411     + if ((x & 7) == 0)
412     + d = *src++;
413     +
414     + parse_pixel(0, 2, u16);
415     + parse_pixel(1, 2, u16);
416     +#ifdef __LITTLE_ENDIAN
417     + dd = dd2[0] | (dd2[1] << 16);
418     +#else
419     + dd = dd2[1] | (dd2[0] << 16);
420     +#endif
421     + d <<= 2;
422     + fb_writel(dd, dst);
423     + dst += 4;
424     + }
425     + break;
426     +
427     + case 8:
428     + for (x = 0; x < width; x += 4) {
429     + if ((x & 7) == 0)
430     + d = *src++;
431     +
432     + parse_pixel(0, 1, u8);
433     + parse_pixel(1, 1, u8);
434     + parse_pixel(2, 1, u8);
435     + parse_pixel(3, 1, u8);
436     +
437     +#ifdef __LITTLE_ENDIAN
438     + dd = dd2[0] | (dd2[1] << 8) | (dd2[2] << 16) | (dd2[3] << 24);
439     +#else
440     + dd = dd2[3] | (dd2[2] << 8) | (dd2[1] << 16) | (dd2[0] << 24);
441     +#endif
442     + d <<= 4;
443     + fb_writel(dd, dst);
444     + dst += 4;
445     + }
446     + }
447     +
448     + dst += info->fix.line_length - width * bytespp;
449     + splash_src += (info->var.xres - width) * bytespp;
450     + }
451     +}
452     +
453     +#define cc2cx(a) \
454     + ((info->fix.visual == FB_VISUAL_TRUECOLOR || \
455     + info->fix.visual == FB_VISUAL_DIRECTCOLOR) ? \
456     + ((u32*)info->pseudo_palette)[a] : a)
457     +
458     +void fbsplash_putcs(struct vc_data *vc, struct fb_info *info,
459     + const unsigned short *s, int count, int yy, int xx)
460     +{
461     + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
462     + struct fbcon_ops *ops = info->fbcon_par;
463     + int fg_color, bg_color, transparent;
464     + u8 *src;
465     + u32 bgx, fgx;
466     + u16 c = scr_readw(s);
467     +
468     + fg_color = get_color(vc, info, c, 1);
469     + bg_color = get_color(vc, info, c, 0);
470     +
471     + /* Don't paint the background image if console is blanked */
472     + transparent = ops->blank_state ? 0 :
473     + (vc->vc_splash.bg_color == bg_color);
474     +
475     + xx = xx * vc->vc_font.width + vc->vc_splash.tx;
476     + yy = yy * vc->vc_font.height + vc->vc_splash.ty;
477     +
478     + fgx = cc2cx(fg_color);
479     + bgx = cc2cx(bg_color);
480     +
481     + while (count--) {
482     + c = scr_readw(s++);
483     + src = vc->vc_font.data + (c & charmask) * vc->vc_font.height *
484     + ((vc->vc_font.width + 7) >> 3);
485     +
486     + fbsplash_renderc(info, yy, xx, vc->vc_font.height,
487     + vc->vc_font.width, src, fgx, bgx, transparent);
488     + xx += vc->vc_font.width;
489     + }
490     +}
491     +
492     +void fbsplash_cursor(struct fb_info *info, struct fb_cursor *cursor)
493     +{
494     + int i;
495     + unsigned int dsize, s_pitch;
496     + struct fbcon_ops *ops = info->fbcon_par;
497     + struct vc_data* vc;
498     + u8 *src;
499     +
500     + /* we really don't need any cursors while the console is blanked */
501     + if (info->state != FBINFO_STATE_RUNNING || ops->blank_state)
502     + return;
503     +
504     + vc = vc_cons[ops->currcon].d;
505     +
506     + src = kmalloc(64 + sizeof(struct fb_image), GFP_ATOMIC);
507     + if (!src)
508     + return;
509     +
510     + s_pitch = (cursor->image.width + 7) >> 3;
511     + dsize = s_pitch * cursor->image.height;
512     + if (cursor->enable) {
513     + switch (cursor->rop) {
514     + case ROP_XOR:
515     + for (i = 0; i < dsize; i++)
516     + src[i] = cursor->image.data[i] ^ cursor->mask[i];
517     + break;
518     + case ROP_COPY:
519     + default:
520     + for (i = 0; i < dsize; i++)
521     + src[i] = cursor->image.data[i] & cursor->mask[i];
522     + break;
523     + }
524     + } else
525     + memcpy(src, cursor->image.data, dsize);
526     +
527     + fbsplash_renderc(info,
528     + cursor->image.dy + vc->vc_splash.ty,
529     + cursor->image.dx + vc->vc_splash.tx,
530     + cursor->image.height,
531     + cursor->image.width,
532     + (u8*)src,
533     + cc2cx(cursor->image.fg_color),
534     + cc2cx(cursor->image.bg_color),
535     + cursor->image.bg_color == vc->vc_splash.bg_color);
536     +
537     + kfree(src);
538     +}
539     +
540     +static void splashset(u8 *dst, int height, int width, int dstbytes,
541     + u32 bgx, int bpp)
542     +{
543     + int i;
544     +
545     + if (bpp == 8)
546     + bgx |= bgx << 8;
547     + if (bpp == 16 || bpp == 8)
548     + bgx |= bgx << 16;
549     +
550     + while (height-- > 0) {
551     + u8 *p = dst;
552     +
553     + switch (bpp) {
554     +
555     + case 32:
556     + for (i=0; i < width; i++) {
557     + fb_writel(bgx, p); p += 4;
558     + }
559     + break;
560     + case 24:
561     + for (i=0; i < width; i++) {
562     +#ifdef __LITTLE_ENDIAN
563     + fb_writew((bgx & 0xffff),(u16*)p); p += 2;
564     + fb_writeb((bgx >> 16),p++);
565     +#else
566     + fb_writew((bgx >> 8),(u16*)p); p += 2;
567     + fb_writeb((bgx & 0xff),p++);
568     +#endif
569     + }
570     + case 16:
571     + for (i=0; i < width/4; i++) {
572     + fb_writel(bgx,p); p += 4;
573     + fb_writel(bgx,p); p += 4;
574     + }
575     + if (width & 2) {
576     + fb_writel(bgx,p); p += 4;
577     + }
578     + if (width & 1)
579     + fb_writew(bgx,(u16*)p);
580     + break;
581     + case 8:
582     + for (i=0; i < width/4; i++) {
583     + fb_writel(bgx,p); p += 4;
584     + }
585     +
586     + if (width & 2) {
587     + fb_writew(bgx,p); p += 2;
588     + }
589     + if (width & 1)
590     + fb_writeb(bgx,(u8*)p);
591     + break;
592     +
593     + }
594     + dst += dstbytes;
595     + }
596     +}
597     +
598     +void fbsplash_copy(u8 *dst, u8 *src, int height, int width, int linebytes,
599     + int srclinebytes, int bpp)
600     +{
601     + int i;
602     +
603     + while (height-- > 0) {
604     + u32 *p = (u32 *)dst;
605     + u32 *q = (u32 *)src;
606     +
607     + switch (bpp) {
608     +
609     + case 32:
610     + for (i=0; i < width; i++)
611     + fb_writel(*q++, p++);
612     + break;
613     + case 24:
614     + for (i=0; i < (width*3/4); i++)
615     + fb_writel(*q++, p++);
616     + if ((width*3) % 4) {
617     + if (width & 2) {
618     + fb_writeb(*(u8*)q, (u8*)p);
619     + } else if (width & 1) {
620     + fb_writew(*(u16*)q, (u16*)p);
621     + fb_writeb(*(u8*)((u16*)q+1),(u8*)((u16*)p+2));
622     + }
623     + }
624     + break;
625     + case 16:
626     + for (i=0; i < width/4; i++) {
627     + fb_writel(*q++, p++);
628     + fb_writel(*q++, p++);
629     + }
630     + if (width & 2)
631     + fb_writel(*q++, p++);
632     + if (width & 1)
633     + fb_writew(*(u16*)q, (u16*)p);
634     + break;
635     + case 8:
636     + for (i=0; i < width/4; i++)
637     + fb_writel(*q++, p++);
638     +
639     + if (width & 2) {
640     + fb_writew(*(u16*)q, (u16*)p);
641     + q = (u32*) ((u16*)q + 1);
642     + p = (u32*) ((u16*)p + 1);
643     + }
644     + if (width & 1)
645     + fb_writeb(*(u8*)q, (u8*)p);
646     + break;
647     + }
648     +
649     + dst += linebytes;
650     + src += srclinebytes;
651     + }
652     +}
653     +
654     +static void splashfill(struct fb_info *info, int sy, int sx, int height,
655     + int width)
656     +{
657     + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
658     + int d = sy * info->fix.line_length + sx * bytespp;
659     + int ds = (sy * info->var.xres + sx) * bytespp;
660     +
661     + fbsplash_copy((u8 *)(info->screen_base + d), (u8 *)(info->splash.data + ds),
662     + height, width, info->fix.line_length, info->var.xres * bytespp,
663     + info->var.bits_per_pixel);
664     +}
665     +
666     +void fbsplash_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx,
667     + int height, int width)
668     +{
669     + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
670     + int bg_color = attr_bgcol_ec(bgshift, vc);
671     + int transparent = vc->vc_splash.bg_color == bg_color;
672     + struct fbcon_ops *ops = info->fbcon_par;
673     + u8 *dst;
674     +
675     + sy = sy * vc->vc_font.height + vc->vc_splash.ty;
676     + sx = sx * vc->vc_font.width + vc->vc_splash.tx;
677     + height *= vc->vc_font.height;
678     + width *= vc->vc_font.width;
679     +
680     + /* Don't paint the background image if console is blanked */
681     + if (transparent && !ops->blank_state) {
682     + splashfill(info, sy, sx, height, width);
683     + } else {
684     + dst = (u8 *)(info->screen_base + sy * info->fix.line_length +
685     + sx * ((info->var.bits_per_pixel + 7) >> 3));
686     + splashset(dst, height, width, info->fix.line_length, cc2cx(bg_color),
687     + info->var.bits_per_pixel);
688     + }
689     +}
690     +
691     +void fbsplash_clear_margins(struct vc_data *vc, struct fb_info *info,
692     + int bottom_only)
693     +{
694     + unsigned int tw = vc->vc_cols*vc->vc_font.width;
695     + unsigned int th = vc->vc_rows*vc->vc_font.height;
696     +
697     + if (!bottom_only) {
698     + /* top margin */
699     + splashfill(info, 0, 0, vc->vc_splash.ty, info->var.xres);
700     + /* left margin */
701     + splashfill(info, vc->vc_splash.ty, 0, th, vc->vc_splash.tx);
702     + /* right margin */
703     + splashfill(info, vc->vc_splash.ty, vc->vc_splash.tx + tw, th,
704     + info->var.xres - vc->vc_splash.tx - tw);
705     + }
706     + splashfill(info, vc->vc_splash.ty + th, 0,
707     + info->var.yres - vc->vc_splash.ty - th, info->var.xres);
708     +}
709     +
710     +void fbsplash_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y,
711     + int sx, int dx, int width)
712     +{
713     + u16 *d = (u16 *) (vc->vc_origin + vc->vc_size_row * y + dx * 2);
714     + u16 *s = d + (dx - sx);
715     + u16 *start = d;
716     + u16 *ls = d;
717     + u16 *le = d + width;
718     + u16 c;
719     + int x = dx;
720     + u16 attr = 1;
721     +
722     + do {
723     + c = scr_readw(d);
724     + if (attr != (c & 0xff00)) {
725     + attr = c & 0xff00;
726     + if (d > start) {
727     + fbsplash_putcs(vc, info, start, d - start, y, x);
728     + x += d - start;
729     + start = d;
730     + }
731     + }
732     + if (s >= ls && s < le && c == scr_readw(s)) {
733     + if (d > start) {
734     + fbsplash_putcs(vc, info, start, d - start, y, x);
735     + x += d - start + 1;
736     + start = d + 1;
737     + } else {
738     + x++;
739     + start++;
740     + }
741     + }
742     + s++;
743     + d++;
744     + } while (d < le);
745     + if (d > start)
746     + fbsplash_putcs(vc, info, start, d - start, y, x);
747     +}
748     +
749     +void fbsplash_blank(struct vc_data *vc, struct fb_info *info, int blank)
750     +{
751     + if (blank) {
752     + splashset((u8 *)info->screen_base, info->var.yres, info->var.xres,
753     + info->fix.line_length, 0, info->var.bits_per_pixel);
754     + } else {
755     + update_screen(vc);
756     + fbsplash_clear_margins(vc, info, 0);
757     + }
758     +}
759     +
760     Index: linux-2.6.21/drivers/video/console/bitblit.c
761     ===================================================================
762     --- linux-2.6.21.orig/drivers/video/console/bitblit.c
763     +++ linux-2.6.21/drivers/video/console/bitblit.c
764     @@ -17,6 +17,7 @@
765     #include <linux/console.h>
766     #include <asm/types.h>
767     #include "fbcon.h"
768     +#include "../fbsplash.h"
769    
770     /*
771     * Accelerated handlers.
772     @@ -54,6 +55,13 @@ static void bit_bmove(struct vc_data *vc
773     area.height = height * vc->vc_font.height;
774     area.width = width * vc->vc_font.width;
775    
776     + if (fbsplash_active(info, vc)) {
777     + area.sx += vc->vc_splash.tx;
778     + area.sy += vc->vc_splash.ty;
779     + area.dx += vc->vc_splash.tx;
780     + area.dy += vc->vc_splash.ty;
781     + }
782     +
783     info->fbops->fb_copyarea(info, &area);
784     }
785    
786     @@ -379,11 +387,15 @@ static void bit_cursor(struct vc_data *v
787     cursor.image.depth = 1;
788     cursor.rop = ROP_XOR;
789    
790     - if (info->fbops->fb_cursor)
791     - err = info->fbops->fb_cursor(info, &cursor);
792     + if (fbsplash_active(info, vc)) {
793     + fbsplash_cursor(info, &cursor);
794     + } else {
795     + if (info->fbops->fb_cursor)
796     + err = info->fbops->fb_cursor(info, &cursor);
797    
798     - if (err)
799     - soft_cursor(info, &cursor);
800     + if (err)
801     + soft_cursor(info, &cursor);
802     + }
803    
804     ops->cursor_reset = 0;
805     }
806     Index: linux-2.6.21/drivers/video/console/fbcon.c
807     ===================================================================
808     --- linux-2.6.21.orig/drivers/video/console/fbcon.c
809     +++ linux-2.6.21/drivers/video/console/fbcon.c
810     @@ -90,6 +90,7 @@
811     #endif
812    
813     #include "fbcon.h"
814     +#include "../fbsplash.h"
815    
816     #ifdef FBCONDEBUG
817     # define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
818     @@ -105,7 +106,7 @@ enum {
819    
820     static struct display fb_display[MAX_NR_CONSOLES];
821    
822     -static signed char con2fb_map[MAX_NR_CONSOLES];
823     +signed char con2fb_map[MAX_NR_CONSOLES];
824     static signed char con2fb_map_boot[MAX_NR_CONSOLES];
825     static int logo_height;
826     static int logo_lines;
827     @@ -300,7 +301,7 @@ static inline int fbcon_is_inactive(stru
828     vc->vc_mode != KD_TEXT || ops->graphics);
829     }
830    
831     -static inline int get_color(struct vc_data *vc, struct fb_info *info,
832     +inline int get_color(struct vc_data *vc, struct fb_info *info,
833     u16 c, int is_fg)
834     {
835     int depth = fb_get_color_depth(&info->var, &info->fix);
836     @@ -408,6 +409,7 @@ static void fb_flashcursor(struct work_s
837     CM_ERASE : CM_DRAW;
838     ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
839     get_color(vc, info, c, 0));
840     +
841     release_console_sem();
842     }
843    
844     @@ -573,6 +575,8 @@ static int fbcon_takeover(int show_logo)
845     info_idx = -1;
846     }
847    
848     + fbsplash_init();
849     +
850     return err;
851     }
852    
853     @@ -979,6 +983,12 @@ static const char *fbcon_startup(void)
854     rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
855     cols /= vc->vc_font.width;
856     rows /= vc->vc_font.height;
857     +
858     + if (fbsplash_active(info, vc)) {
859     + cols = vc->vc_splash.twidth / vc->vc_font.width;
860     + rows = vc->vc_splash.theight / vc->vc_font.height;
861     + }
862     +
863     vc_resize(vc, cols, rows);
864    
865     DPRINTK("mode: %s\n", info->fix.id);
866     @@ -1062,7 +1072,7 @@ static void fbcon_init(struct vc_data *v
867     cap = info->flags;
868    
869     if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW ||
870     - (info->fix.type == FB_TYPE_TEXT))
871     + (info->fix.type == FB_TYPE_TEXT) || fbsplash_active(info, vc))
872     logo = 0;
873    
874     if (var_to_display(p, &info->var, info))
875     @@ -1256,6 +1266,11 @@ static void fbcon_clear(struct vc_data *
876     if (!height || !width)
877     return;
878    
879     + if (fbsplash_active(info, vc)) {
880     + fbsplash_clear(vc, info, sy, sx, height, width);
881     + return;
882     + }
883     +
884     /* Split blits that cross physical y_wrap boundary */
885    
886     y_break = p->vrows - p->yscroll;
887     @@ -1275,10 +1290,15 @@ static void fbcon_putcs(struct vc_data *
888     struct display *p = &fb_display[vc->vc_num];
889     struct fbcon_ops *ops = info->fbcon_par;
890    
891     - if (!fbcon_is_inactive(vc, info))
892     - ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
893     - get_color(vc, info, scr_readw(s), 1),
894     - get_color(vc, info, scr_readw(s), 0));
895     + if (!fbcon_is_inactive(vc, info)) {
896     +
897     + if (fbsplash_active(info, vc))
898     + fbsplash_putcs(vc, info, s, count, ypos, xpos);
899     + else
900     + ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
901     + get_color(vc, info, scr_readw(s), 1),
902     + get_color(vc, info, scr_readw(s), 0));
903     + }
904     }
905    
906     static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos)
907     @@ -1294,8 +1314,13 @@ static void fbcon_clear_margins(struct v
908     struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
909     struct fbcon_ops *ops = info->fbcon_par;
910    
911     - if (!fbcon_is_inactive(vc, info))
912     - ops->clear_margins(vc, info, bottom_only);
913     + if (!fbcon_is_inactive(vc, info)) {
914     + if (fbsplash_active(info, vc)) {
915     + fbsplash_clear_margins(vc, info, bottom_only);
916     + } else {
917     + ops->clear_margins(vc, info, bottom_only);
918     + }
919     + }
920     }
921    
922     static void fbcon_cursor(struct vc_data *vc, int mode)
923     @@ -1768,7 +1793,7 @@ static int fbcon_scroll(struct vc_data *
924     count = vc->vc_rows;
925     if (softback_top)
926     fbcon_softback_note(vc, t, count);
927     - if (logo_shown >= 0)
928     + if (logo_shown >= 0 || fbsplash_active(info, vc))
929     goto redraw_up;
930     switch (p->scrollmode) {
931     case SCROLL_MOVE:
932     @@ -1856,6 +1881,8 @@ static int fbcon_scroll(struct vc_data *
933     count = vc->vc_rows;
934     if (logo_shown >= 0)
935     goto redraw_down;
936     + if (fbsplash_active(info, vc))
937     + goto redraw_down;
938     switch (p->scrollmode) {
939     case SCROLL_MOVE:
940     ops->bmove(vc, info, t, 0, t + count, 0,
941     @@ -1998,6 +2025,13 @@ static void fbcon_bmove_rec(struct vc_da
942     }
943     return;
944     }
945     +
946     + if (fbsplash_active(info, vc) && sy == dy && height == 1) {
947     + /* must use slower redraw bmove to keep background pic intact */
948     + fbsplash_bmove_redraw(vc, info, sy, sx, dx, width);
949     + return;
950     + }
951     +
952     ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx,
953     height, width);
954     }
955     @@ -2068,8 +2102,9 @@ static int fbcon_resize(struct vc_data *
956     var.yres = virt_h * virt_fh;
957     x_diff = info->var.xres - var.xres;
958     y_diff = info->var.yres - var.yres;
959     - if (x_diff < 0 || x_diff > virt_fw ||
960     - y_diff < 0 || y_diff > virt_fh) {
961     +
962     + if ((x_diff < 0 || x_diff > virt_fw ||
963     + y_diff < 0 || y_diff > virt_fh) && !vc->vc_splash.state) {
964     const struct fb_videomode *mode;
965    
966     DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
967     @@ -2105,6 +2140,25 @@ static int fbcon_switch(struct vc_data *
968    
969     info = registered_fb[con2fb_map[vc->vc_num]];
970     ops = info->fbcon_par;
971     + prev_console = ops->currcon;
972     + if (prev_console != -1)
973     + old_info = registered_fb[con2fb_map[prev_console]];
974     +
975     + if (fbsplash_active_vc(vc)) {
976     + struct vc_data *vc_curr = vc_cons[prev_console].d;
977     + if (!vc_curr->vc_splash.theme || strcmp(vc->vc_splash.theme, vc_curr->vc_splash.theme)) {
978     + if (fbsplash_call_helper("getpic", vc->vc_num))
979     + fbsplash_disable(vc, 0);
980     + }
981     + } else if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
982     + struct vc_data *vc_curr = vc_cons[prev_console].d;
983     + if (vc_curr && fbsplash_active_vc(vc_curr)) {
984     + /* Clear the screen to avoid displaying funky colors during
985     + * palette updates. */
986     + memset((u8*)info->screen_base + info->fix.line_length * info->var.yoffset,
987     + 0, info->var.yres * info->fix.line_length);
988     + }
989     + }
990    
991     if (softback_top) {
992     if (softback_lines)
993     @@ -2123,9 +2177,6 @@ static int fbcon_switch(struct vc_data *
994     logo_shown = FBCON_LOGO_CANSHOW;
995     }
996    
997     - prev_console = ops->currcon;
998     - if (prev_console != -1)
999     - old_info = registered_fb[con2fb_map[prev_console]];
1000     /*
1001     * FIXME: If we have multiple fbdev's loaded, we need to
1002     * update all info->currcon. Perhaps, we can place this
1003     @@ -2164,6 +2215,11 @@ static int fbcon_switch(struct vc_data *
1004     if (old_info != info)
1005     fbcon_del_cursor_timer(old_info);
1006     }
1007     +
1008     + if (fbsplash_active_nores(info, vc) && !fbsplash_active(info, vc)) {
1009     + if (fbsplash_call_helper("modechange", vc->vc_num))
1010     + fbsplash_disable(vc, 0);
1011     + }
1012    
1013     if (fbcon_is_inactive(vc, info) ||
1014     ops->blank_state != FB_BLANK_UNBLANK)
1015     @@ -2279,8 +2335,12 @@ static int fbcon_blank(struct vc_data *v
1016     fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
1017     ops->cursor_flash = (!blank);
1018    
1019     - if (fb_blank(info, blank))
1020     - fbcon_generic_blank(vc, info, blank);
1021     + if (fb_blank(info, blank)) {
1022     + if (fbsplash_active(info, vc))
1023     + fbsplash_blank(vc, info, blank);
1024     + else
1025     + fbcon_generic_blank(vc, info, blank);
1026     + }
1027     }
1028    
1029     if (!blank)
1030     @@ -2431,13 +2491,22 @@ static int fbcon_do_set_font(struct vc_d
1031     }
1032    
1033     if (resize) {
1034     + /* reset wrap/pan */
1035     int cols, rows;
1036    
1037     cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
1038     rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
1039     +
1040     + info->var.xoffset = info->var.yoffset = p->yscroll = 0;
1041     + if (fbsplash_active(info, vc)) {
1042     + cols = vc->vc_splash.twidth;
1043     + rows = vc->vc_splash.theight;
1044     + }
1045     cols /= w;
1046     rows /= h;
1047     +
1048     vc_resize(vc, cols, rows);
1049     +
1050     if (CON_IS_VISIBLE(vc) && softback_buf)
1051     fbcon_update_softback(vc);
1052     } else if (CON_IS_VISIBLE(vc)
1053     @@ -2555,7 +2624,7 @@ static int fbcon_set_palette(struct vc_d
1054     int i, j, k, depth;
1055     u8 val;
1056    
1057     - if (fbcon_is_inactive(vc, info))
1058     + if (fbcon_is_inactive(vc, info) || vc->vc_num != fg_console)
1059     return -EINVAL;
1060    
1061     if (!CON_IS_VISIBLE(vc))
1062     @@ -2581,7 +2650,49 @@ static int fbcon_set_palette(struct vc_d
1063     } else
1064     fb_copy_cmap(fb_default_cmap(1 << depth), &palette_cmap);
1065    
1066     - return fb_set_cmap(&palette_cmap, info);
1067     + if (fbsplash_active(info, vc_cons[fg_console].d) &&
1068     + info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1069     +
1070     + u16 *red, *green, *blue;
1071     + int minlen = min(min(info->var.red.length, info->var.green.length),
1072     + info->var.blue.length);
1073     + int h;
1074     +
1075     + struct fb_cmap cmap = {
1076     + .start = 0,
1077     + .len = (1 << minlen),
1078     + .red = NULL,
1079     + .green = NULL,
1080     + .blue = NULL,
1081     + .transp = NULL
1082     + };
1083     +
1084     + red = kmalloc(256 * sizeof(u16) * 3, GFP_KERNEL);
1085     +
1086     + if (!red)
1087     + goto out;
1088     +
1089     + green = red + 256;
1090     + blue = green + 256;
1091     + cmap.red = red;
1092     + cmap.green = green;
1093     + cmap.blue = blue;
1094     +
1095     + for (i = 0; i < cmap.len; i++) {
1096     + red[i] = green[i] = blue[i] = (0xffff * i)/(cmap.len-1);
1097     + }
1098     +
1099     + h = fb_set_cmap(&cmap, info);
1100     + fbsplash_fix_pseudo_pal(info, vc_cons[fg_console].d);
1101     + kfree(red);
1102     +
1103     + return h;
1104     +
1105     + } else if (fbsplash_active(info, vc_cons[fg_console].d) &&
1106     + info->var.bits_per_pixel == 8 && info->splash.cmap.red != NULL)
1107     + fb_set_cmap(&info->splash.cmap, info);
1108     +
1109     +out: return fb_set_cmap(&palette_cmap, info);
1110     }
1111    
1112     static u16 *fbcon_screen_pos(struct vc_data *vc, int offset)
1113     @@ -2807,7 +2918,14 @@ static void fbcon_modechanged(struct fb_
1114     rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
1115     cols /= vc->vc_font.width;
1116     rows /= vc->vc_font.height;
1117     - vc_resize(vc, cols, rows);
1118     +
1119     + if (!fbsplash_active_nores(info, vc)) {
1120     + vc_resize(vc, cols, rows);
1121     + } else {
1122     + if (fbsplash_call_helper("modechange", vc->vc_num))
1123     + fbsplash_disable(vc, 0);
1124     + }
1125     +
1126     updatescrollmode(p, info, vc);
1127     scrollback_max = 0;
1128     scrollback_current = 0;
1129     @@ -3265,6 +3383,7 @@ static void fbcon_exit(void)
1130     }
1131     }
1132    
1133     + fbsplash_exit();
1134     fbcon_has_exited = 1;
1135     }
1136    
1137     Index: linux-2.6.21/drivers/video/fbcmap.c
1138     ===================================================================
1139     --- linux-2.6.21.orig/drivers/video/fbcmap.c
1140     +++ linux-2.6.21/drivers/video/fbcmap.c
1141     @@ -15,6 +15,7 @@
1142     #include <linux/module.h>
1143     #include <linux/fb.h>
1144     #include <linux/slab.h>
1145     +#include "fbsplash.h"
1146    
1147     #include <asm/uaccess.h>
1148    
1149     @@ -235,14 +236,17 @@ int fb_set_cmap(struct fb_cmap *cmap, st
1150     if (transp)
1151     htransp = *transp++;
1152     if (info->fbops->fb_setcolreg(start++,
1153     - hred, hgreen, hblue,
1154     + hred, hgreen, hblue,
1155     htransp, info))
1156     break;
1157     }
1158     }
1159     - if (rc == 0)
1160     + if (rc == 0) {
1161     fb_copy_cmap(cmap, &info->cmap);
1162     -
1163     + if (fbsplash_active(info, vc_cons[fg_console].d) &&
1164     + info->fix.visual == FB_VISUAL_DIRECTCOLOR)
1165     + fbsplash_fix_pseudo_pal(info, vc_cons[fg_console].d);
1166     + }
1167     return rc;
1168     }
1169    
1170     @@ -250,7 +254,7 @@ int fb_set_user_cmap(struct fb_cmap_user
1171     {
1172     int rc, size = cmap->len * sizeof(u16);
1173     struct fb_cmap umap;
1174     -
1175     +
1176     if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
1177     !info->fbops->fb_setcmap))
1178     return -EINVAL;
1179     Index: linux-2.6.21/drivers/video/fbsplash.c
1180     ===================================================================
1181     --- /dev/null
1182     +++ linux-2.6.21/drivers/video/fbsplash.c
1183     @@ -0,0 +1,424 @@
1184     +/*
1185     + * linux/drivers/video/fbsplash.c -- Framebuffer splash routines
1186     + *
1187     + * Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
1188     + *
1189     + * Code based upon "Bootsplash" (C) 2001-2003
1190     + * Volker Poplawski <volker@poplawski.de>,
1191     + * Stefan Reinauer <stepan@suse.de>,
1192     + * Steffen Winterfeldt <snwint@suse.de>,
1193     + * Michael Schroeder <mls@suse.de>,
1194     + * Ken Wimer <wimer@suse.de>.
1195     + *
1196     + * Splash render routines are located in /linux/drivers/video/cfbsplash.c
1197     + *
1198     + * This file is subject to the terms and conditions of the GNU General Public
1199     + * License. See the file COPYING in the main directory of this archive for
1200     + * more details.
1201     + *
1202     + */
1203     +#include <linux/module.h>
1204     +#include <linux/kernel.h>
1205     +#include <linux/string.h>
1206     +#include <linux/types.h>
1207     +#include <linux/fb.h>
1208     +#include <linux/vt_kern.h>
1209     +#include <linux/vmalloc.h>
1210     +#include <linux/unistd.h>
1211     +#include <linux/syscalls.h>
1212     +#include <linux/init.h>
1213     +#include <linux/proc_fs.h>
1214     +#include <linux/workqueue.h>
1215     +#include <linux/kmod.h>
1216     +#include <linux/miscdevice.h>
1217     +#include <linux/device.h>
1218     +#include <linux/fs.h>
1219     +
1220     +#include <asm/uaccess.h>
1221     +#include <asm/irq.h>
1222     +#include <asm/system.h>
1223     +
1224     +#include "console/fbcon.h"
1225     +#include "fbsplash.h"
1226     +
1227     +#define SPLASH_VERSION "0.9.2"
1228     +
1229     +extern signed char con2fb_map[];
1230     +static int fbsplash_enable(struct vc_data *vc);
1231     +char fbsplash_path[KMOD_PATH_LEN] = "/sbin/splash_helper";
1232     +static int initialized = 0;
1233     +
1234     +int fbsplash_call_helper(char* cmd, unsigned short vc)
1235     +{
1236     + char *envp[] = {
1237     + "HOME=/",
1238     + "PATH=/sbin:/bin",
1239     + NULL
1240     + };
1241     +
1242     + char tfb[5];
1243     + char tcons[5];
1244     + unsigned char fb = (int) con2fb_map[vc];
1245     +
1246     + char *argv[] = {
1247     + fbsplash_path,
1248     + "2",
1249     + cmd,
1250     + tcons,
1251     + tfb,
1252     + vc_cons[vc].d->vc_splash.theme,
1253     + NULL
1254     + };
1255     +
1256     + snprintf(tfb,5,"%d",fb);
1257     + snprintf(tcons,5,"%d",vc);
1258     +
1259     + return call_usermodehelper(fbsplash_path, argv, envp, 1);
1260     +}
1261     +
1262     +/* Disables fbsplash on a virtual console; called with console sem held. */
1263     +int fbsplash_disable(struct vc_data *vc, unsigned char redraw)
1264     +{
1265     + struct fb_info* info;
1266     +
1267     + if (!vc->vc_splash.state)
1268     + return -EINVAL;
1269     +
1270     + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1271     +
1272     + if (info == NULL)
1273     + return -EINVAL;
1274     +
1275     + vc->vc_splash.state = 0;
1276     + vc_resize(vc, info->var.xres / vc->vc_font.width,
1277     + info->var.yres / vc->vc_font.height);
1278     +
1279     + if (fg_console == vc->vc_num && redraw) {
1280     + redraw_screen(vc, 0);
1281     + update_region(vc, vc->vc_origin +
1282     + vc->vc_size_row * vc->vc_top,
1283     + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
1284     + }
1285     +
1286     + printk(KERN_INFO "fbsplash: switched splash state to 'off' on console %d\n",
1287     + vc->vc_num);
1288     +
1289     + return 0;
1290     +}
1291     +
1292     +/* Enables fbsplash on a virtual console; called with console sem held. */
1293     +static int fbsplash_enable(struct vc_data *vc)
1294     +{
1295     + struct fb_info* info;
1296     +
1297     + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1298     +
1299     + if (vc->vc_splash.twidth == 0 || vc->vc_splash.theight == 0 ||
1300     + info == NULL || vc->vc_splash.state || (!info->splash.data &&
1301     + vc->vc_num == fg_console))
1302     + return -EINVAL;
1303     +
1304     + vc->vc_splash.state = 1;
1305     + vc_resize(vc, vc->vc_splash.twidth / vc->vc_font.width,
1306     + vc->vc_splash.theight / vc->vc_font.height);
1307     +
1308     + if (fg_console == vc->vc_num) {
1309     + redraw_screen(vc, 0);
1310     + update_region(vc, vc->vc_origin +
1311     + vc->vc_size_row * vc->vc_top,
1312     + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
1313     + fbsplash_clear_margins(vc, info, 0);
1314     + }
1315     +
1316     + printk(KERN_INFO "fbsplash: switched splash state to 'on' on console %d\n",
1317     + vc->vc_num);
1318     +
1319     + return 0;
1320     +}
1321     +
1322     +static inline int fbsplash_ioctl_dosetstate(struct vc_data *vc, unsigned int __user* state, unsigned char origin)
1323     +{
1324     + int tmp, ret;
1325     +
1326     + if (get_user(tmp, state))
1327     + return -EFAULT;
1328     +
1329     + if (origin == FB_SPLASH_IO_ORIG_USER)
1330     + acquire_console_sem();
1331     + if (!tmp)
1332     + ret = fbsplash_disable(vc, 1);
1333     + else
1334     + ret = fbsplash_enable(vc);
1335     + if (origin == FB_SPLASH_IO_ORIG_USER)
1336     + release_console_sem();
1337     +
1338     + return ret;
1339     +}
1340     +
1341     +static inline int fbsplash_ioctl_dogetstate(struct vc_data *vc, unsigned int __user *state)
1342     +{
1343     + return put_user(vc->vc_splash.state, (unsigned int __user*) state);
1344     +}
1345     +
1346     +static int fbsplash_ioctl_dosetcfg(struct vc_data *vc, struct vc_splash __user *arg, unsigned char origin)
1347     +{
1348     + struct vc_splash cfg;
1349     + struct fb_info *info;
1350     + int len;
1351     + char *tmp;
1352     +
1353     + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1354     +
1355     + if (copy_from_user(&cfg, arg, sizeof(struct vc_splash)))
1356     + return -EFAULT;
1357     + if (info == NULL || !cfg.twidth || !cfg.theight ||
1358     + cfg.tx + cfg.twidth > info->var.xres ||
1359     + cfg.ty + cfg.theight > info->var.yres)
1360     + return -EINVAL;
1361     +
1362     + len = strlen_user(cfg.theme);
1363     + if (!len || len > FB_SPLASH_THEME_LEN)
1364     + return -EINVAL;
1365     + tmp = kmalloc(len, GFP_KERNEL);
1366     + if (!tmp)
1367     + return -ENOMEM;
1368     + if (copy_from_user(tmp, (void __user *)cfg.theme, len))
1369     + return -EFAULT;
1370     + cfg.theme = tmp;
1371     + cfg.state = 0;
1372     +
1373     + /* If this ioctl is a response to a request from kernel, the console sem
1374     + * is already held; we also don't need to disable splash because either the
1375     + * new config and background picture will be successfully loaded, and the
1376     + * splash will stay on, or in case of a failure it'll be turned off in fbcon. */
1377     + if (origin == FB_SPLASH_IO_ORIG_USER) {
1378     + acquire_console_sem();
1379     + if (vc->vc_splash.state)
1380     + fbsplash_disable(vc, 1);
1381     + }
1382     +
1383     + if (vc->vc_splash.theme)
1384     + kfree(vc->vc_splash.theme);
1385     +
1386     + vc->vc_splash = cfg;
1387     +
1388     + if (origin == FB_SPLASH_IO_ORIG_USER)
1389     + release_console_sem();
1390     +
1391     + printk(KERN_INFO "fbsplash: console %d using theme '%s'\n",
1392     + vc->vc_num, vc->vc_splash.theme);
1393     + return 0;
1394     +}
1395     +
1396     +static int fbsplash_ioctl_dogetcfg(struct vc_data *vc, struct vc_splash __user *arg)
1397     +{
1398     + struct vc_splash splash;
1399     + char __user *tmp;
1400     +
1401     + if (get_user(tmp, &arg->theme))
1402     + return -EFAULT;
1403     +
1404     + splash = vc->vc_splash;
1405     + splash.theme = tmp;
1406     +
1407     + if (vc->vc_splash.theme) {
1408     + if (copy_to_user(tmp, vc->vc_splash.theme, strlen(vc->vc_splash.theme) + 1))
1409     + return -EFAULT;
1410     + } else
1411     + if (put_user(0, tmp))
1412     + return -EFAULT;
1413     +
1414     + if (copy_to_user(arg, &splash, sizeof(struct vc_splash)))
1415     + return -EFAULT;
1416     +
1417     + return 0;
1418     +}
1419     +
1420     +static int fbsplash_ioctl_dosetpic(struct vc_data *vc, struct fb_image __user *arg, unsigned char origin)
1421     +{
1422     + struct fb_image img;
1423     + struct fb_info *info;
1424     + int len;
1425     + u8 *tmp;
1426     +
1427     + if (vc->vc_num != fg_console)
1428     + return -EINVAL;
1429     +
1430     + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1431     +
1432     + if (info == NULL)
1433     + return -EINVAL;
1434     +
1435     + if (copy_from_user(&img, arg, sizeof(struct fb_image)))
1436     + return -EFAULT;
1437     +
1438     + if (img.width != info->var.xres || img.height != info->var.yres) {
1439     + printk(KERN_ERR "fbsplash: picture dimensions mismatch\n");
1440     + return -EINVAL;
1441     + }
1442     +
1443     + if (img.depth != info->var.bits_per_pixel) {
1444     + printk(KERN_ERR "fbsplash: picture depth mismatch\n");
1445     + return -EINVAL;
1446     + }
1447     +
1448     + if (img.depth == 8) {
1449     + if (!img.cmap.len || !img.cmap.red || !img.cmap.green ||
1450     + !img.cmap.blue)
1451     + return -EINVAL;
1452     +
1453     + tmp = vmalloc(img.cmap.len * 3 * 2);
1454     + if (!tmp)
1455     + return -ENOMEM;
1456     +
1457     + if (copy_from_user(tmp, (void __user*)img.cmap.red, img.cmap.len * 2) ||
1458     + copy_from_user(tmp + (img.cmap.len << 1),
1459     + (void __user*)img.cmap.green, (img.cmap.len << 1)) ||
1460     + copy_from_user(tmp + (img.cmap.len << 2),
1461     + (void __user*)img.cmap.blue, (img.cmap.len << 1))) {
1462     + vfree(tmp);
1463     + return -EFAULT;
1464     + }
1465     +
1466     + img.cmap.transp = NULL;
1467     + img.cmap.red = (u16*)tmp;
1468     + img.cmap.green = img.cmap.red + img.cmap.len;
1469     + img.cmap.blue = img.cmap.green + img.cmap.len;
1470     + } else {
1471     + img.cmap.red = NULL;
1472     + }
1473     +
1474     + len = ((img.depth + 7) >> 3) * img.width * img.height;
1475     + tmp = vmalloc(len);
1476     +
1477     + if (!tmp)
1478     + goto out;
1479     +
1480     + if (copy_from_user(tmp, (void __user*)img.data, len))
1481     + goto out;
1482     +
1483     + img.data = tmp;
1484     +
1485     + /* If this ioctl is a response to a request from kernel, the console sem
1486     + * is already held. */
1487     + if (origin == FB_SPLASH_IO_ORIG_USER)
1488     + acquire_console_sem();
1489     +
1490     + if (info->splash.data)
1491     + vfree((u8*)info->splash.data);
1492     + if (info->splash.cmap.red)
1493     + vfree(info->splash.cmap.red);
1494     +
1495     + info->splash = img;
1496     +
1497     + if (origin == FB_SPLASH_IO_ORIG_USER)
1498     + release_console_sem();
1499     +
1500     + return 0;
1501     +
1502     +out: if (img.cmap.red)
1503     + vfree(img.cmap.red);
1504     + if (tmp)
1505     + vfree(tmp);
1506     + return -ENOMEM;
1507     +}
1508     +
1509     +static int splash_ioctl(struct inode * inode, struct file *filp, u_int cmd,
1510     + u_long arg)
1511     +{
1512     + struct fb_splash_iowrapper __user *wrapper = (void __user*) arg;
1513     + struct vc_data *vc = NULL;
1514     + unsigned short vc_num = 0;
1515     + unsigned char origin = 0;
1516     + void __user *data = NULL;
1517     +
1518     + if (!access_ok(VERIFY_READ, wrapper,
1519     + sizeof(struct fb_splash_iowrapper)))
1520     + return -EFAULT;
1521     +
1522     + __get_user(vc_num, &wrapper->vc);
1523     + __get_user(origin, &wrapper->origin);
1524     + __get_user(data, &wrapper->data);
1525     +
1526     + if (!vc_cons_allocated(vc_num))
1527     + return -EINVAL;
1528     +
1529     + vc = vc_cons[vc_num].d;
1530     +
1531     + switch (cmd) {
1532     + case FBIOSPLASH_SETPIC:
1533     + return fbsplash_ioctl_dosetpic(vc, (struct fb_image __user*)data, origin);
1534     + case FBIOSPLASH_SETCFG:
1535     + return fbsplash_ioctl_dosetcfg(vc, (struct vc_splash*)data, origin);
1536     + case FBIOSPLASH_GETCFG:
1537     + return fbsplash_ioctl_dogetcfg(vc, (struct vc_splash*)data);
1538     + case FBIOSPLASH_SETSTATE:
1539     + return fbsplash_ioctl_dosetstate(vc, (unsigned int *)data, origin);
1540     + case FBIOSPLASH_GETSTATE:
1541     + return fbsplash_ioctl_dogetstate(vc, (unsigned int *)data);
1542     + default:
1543     + return -ENOIOCTLCMD;
1544     + }
1545     +}
1546     +
1547     +static struct file_operations splash_ops = {
1548     + .owner = THIS_MODULE,
1549     + .ioctl = splash_ioctl
1550     +};
1551     +
1552     +static struct miscdevice splash_dev = {
1553     + .minor = MISC_DYNAMIC_MINOR,
1554     + .name = "fbsplash",
1555     + .fops = &splash_ops
1556     +};
1557     +
1558     +void fbsplash_reset(void)
1559     +{
1560     + struct fb_info *info;
1561     + struct vc_data *vc;
1562     + int i;
1563     +
1564     + vc = vc_cons[0].d;
1565     + info = registered_fb[0];
1566     +
1567     + for (i = 0; i < num_registered_fb; i++) {
1568     + registered_fb[i]->splash.data = NULL;
1569     + registered_fb[i]->splash.cmap.red = NULL;
1570     + }
1571     +
1572     + for (i = 0; i < MAX_NR_CONSOLES && vc_cons[i].d; i++) {
1573     + vc_cons[i].d->vc_splash.state = vc_cons[i].d->vc_splash.twidth =
1574     + vc_cons[i].d->vc_splash.theight = 0;
1575     + vc_cons[i].d->vc_splash.theme = NULL;
1576     + }
1577     +
1578     + return;
1579     +}
1580     +
1581     +int fbsplash_init(void)
1582     +{
1583     + int i;
1584     +
1585     + fbsplash_reset();
1586     +
1587     + if (initialized)
1588     + return 0;
1589     +
1590     + i = misc_register(&splash_dev);
1591     + if (i) {
1592     + printk(KERN_ERR "fbsplash: failed to register device\n");
1593     + return i;
1594     + }
1595     +
1596     + fbsplash_call_helper("init", 0);
1597     + initialized = 1;
1598     + return 0;
1599     +}
1600     +
1601     +int fbsplash_exit(void)
1602     +{
1603     + fbsplash_reset();
1604     + return 0;
1605     +}
1606     +
1607     +EXPORT_SYMBOL(fbsplash_path);
1608     Index: linux-2.6.21/drivers/video/fbsplash.h
1609     ===================================================================
1610     --- /dev/null
1611     +++ linux-2.6.21/drivers/video/fbsplash.h
1612     @@ -0,0 +1,78 @@
1613     +/*
1614     + * linux/drivers/video/fbsplash.h -- Framebuffer splash headers
1615     + *
1616     + * Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
1617     + *
1618     + */
1619     +
1620     +#ifndef __FB_SPLASH_H
1621     +#define __FB_SPLASH_H
1622     +
1623     +#ifndef _LINUX_FB_H
1624     +#include <linux/fb.h>
1625     +#endif
1626     +
1627     +/* This is needed for vc_cons in fbcmap.c */
1628     +#include <linux/vt_kern.h>
1629     +
1630     +struct fb_cursor;
1631     +struct fb_info;
1632     +struct vc_data;
1633     +
1634     +#ifdef CONFIG_FB_SPLASH
1635     +/* fbsplash.c */
1636     +int fbsplash_init(void);
1637     +int fbsplash_exit(void);
1638     +int fbsplash_call_helper(char* cmd, unsigned short cons);
1639     +int fbsplash_disable(struct vc_data *vc, unsigned char redraw);
1640     +
1641     +/* cfbsplash.c */
1642     +void fbsplash_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx);
1643     +void fbsplash_cursor(struct fb_info *info, struct fb_cursor *cursor);
1644     +void fbsplash_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width);
1645     +void fbsplash_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only);
1646     +void fbsplash_blank(struct vc_data *vc, struct fb_info *info, int blank);
1647     +void fbsplash_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width);
1648     +void fbsplash_copy(u8 *dst, u8 *src, int height, int width, int linebytes, int srclinesbytes, int bpp);
1649     +void fbsplash_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc);
1650     +
1651     +/* vt.c */
1652     +void acquire_console_sem(void);
1653     +void release_console_sem(void);
1654     +void do_unblank_screen(int entering_gfx);
1655     +
1656     +/* struct vc_data *y */
1657     +#define fbsplash_active_vc(y) (y->vc_splash.state && y->vc_splash.theme)
1658     +
1659     +/* struct fb_info *x, struct vc_data *y */
1660     +#define fbsplash_active_nores(x,y) (x->splash.data && fbsplash_active_vc(y))
1661     +
1662     +/* struct fb_info *x, struct vc_data *y */
1663     +#define fbsplash_active(x,y) (fbsplash_active_nores(x,y) && \
1664     + x->splash.width == x->var.xres && \
1665     + x->splash.height == x->var.yres && \
1666     + x->splash.depth == x->var.bits_per_pixel)
1667     +
1668     +
1669     +#else /* CONFIG_FB_SPLASH */
1670     +
1671     +static inline void fbsplash_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx) {}
1672     +static inline void fbsplash_putc(struct vc_data *vc, struct fb_info *info, int c, int ypos, int xpos) {}
1673     +static inline void fbsplash_cursor(struct fb_info *info, struct fb_cursor *cursor) {}
1674     +static inline void fbsplash_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width) {}
1675     +static inline void fbsplash_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only) {}
1676     +static inline void fbsplash_blank(struct vc_data *vc, struct fb_info *info, int blank) {}
1677     +static inline void fbsplash_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width) {}
1678     +static inline void fbsplash_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc) {}
1679     +static inline int fbsplash_call_helper(char* cmd, unsigned short cons) { return 0; }
1680     +static inline int fbsplash_init(void) { return 0; }
1681     +static inline int fbsplash_exit(void) { return 0; }
1682     +static inline int fbsplash_disable(struct vc_data *vc, unsigned char redraw) { return 0; }
1683     +
1684     +#define fbsplash_active_vc(y) (0)
1685     +#define fbsplash_active_nores(x,y) (0)
1686     +#define fbsplash_active(x,y) (0)
1687     +
1688     +#endif /* CONFIG_FB_SPLASH */
1689     +
1690     +#endif /* __FB_SPLASH_H */
1691     Index: linux-2.6.21/include/linux/console_splash.h
1692     ===================================================================
1693     --- /dev/null
1694     +++ linux-2.6.21/include/linux/console_splash.h
1695     @@ -0,0 +1,13 @@
1696     +#ifndef _LINUX_CONSOLE_SPLASH_H_
1697     +#define _LINUX_CONSOLE_SPLASH_H_ 1
1698     +
1699     +/* A structure used by the framebuffer splash code (drivers/video/fbsplash.c) */
1700     +struct vc_splash {
1701     + __u8 bg_color; /* The color that is to be treated as transparent */
1702     + __u8 state; /* Current splash state: 0 = off, 1 = on */
1703     + __u16 tx, ty; /* Top left corner coordinates of the text field */
1704     + __u16 twidth, theight; /* Width and height of the text field */
1705     + char* theme;
1706     +};
1707     +
1708     +#endif
1709     Index: linux-2.6.21/include/linux/console_struct.h
1710     ===================================================================
1711     --- linux-2.6.21.orig/include/linux/console_struct.h
1712     +++ linux-2.6.21/include/linux/console_struct.h
1713     @@ -16,6 +16,7 @@
1714     struct vt_struct;
1715    
1716     #define NPAR 16
1717     +#include <linux/console_splash.h>
1718    
1719     struct vc_data {
1720     unsigned short vc_num; /* Console number */
1721     @@ -99,6 +100,8 @@ struct vc_data {
1722     struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
1723     unsigned long vc_uni_pagedir;
1724     unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
1725     +
1726     + struct vc_splash vc_splash;
1727     /* additional information is in vt_kern.h */
1728     };
1729    
1730     Index: linux-2.6.21/include/linux/fb.h
1731     ===================================================================
1732     --- linux-2.6.21.orig/include/linux/fb.h
1733     +++ linux-2.6.21/include/linux/fb.h
1734     @@ -9,6 +9,13 @@
1735     #define FB_MAJOR 29
1736     #define FB_MAX 32 /* sufficient for now */
1737    
1738     +struct fb_splash_iowrapper
1739     +{
1740     + unsigned short vc; /* Virtual console */
1741     + unsigned char origin; /* Point of origin of the request */
1742     + void *data;
1743     +};
1744     +
1745     /* ioctls
1746     0x46 is 'F' */
1747     #define FBIOGET_VSCREENINFO 0x4600
1748     @@ -36,7 +43,15 @@
1749     #define FBIOGET_HWCINFO 0x4616
1750     #define FBIOPUT_MODEINFO 0x4617
1751     #define FBIOGET_DISPINFO 0x4618
1752     -
1753     +#define FBIOSPLASH_SETCFG _IOWR('F', 0x19, struct fb_splash_iowrapper)
1754     +#define FBIOSPLASH_GETCFG _IOR('F', 0x1A, struct fb_splash_iowrapper)
1755     +#define FBIOSPLASH_SETSTATE _IOWR('F', 0x1B, struct fb_splash_iowrapper)
1756     +#define FBIOSPLASH_GETSTATE _IOR('F', 0x1C, struct fb_splash_iowrapper)
1757     +#define FBIOSPLASH_SETPIC _IOWR('F', 0x1D, struct fb_splash_iowrapper)
1758     +
1759     +#define FB_SPLASH_THEME_LEN 128 /* Maximum lenght of a theme name */
1760     +#define FB_SPLASH_IO_ORIG_KERNEL 0 /* Kernel ioctl origin */
1761     +#define FB_SPLASH_IO_ORIG_USER 1 /* User ioctl origin */
1762    
1763     #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
1764     #define FB_TYPE_PLANES 1 /* Non interleaved planes */
1765     @@ -793,6 +808,9 @@ struct fb_info {
1766     #define FBINFO_STATE_SUSPENDED 1
1767     u32 state; /* Hardware state i.e suspend */
1768     void *fbcon_par; /* fbcon use-only private area */
1769     +
1770     + struct fb_image splash;
1771     +
1772     /* From here on everything is device dependent */
1773     void *par;
1774     };
1775     Index: linux-2.6.21/include/linux/sysctl.h
1776     ===================================================================
1777     --- linux-2.6.21.orig/include/linux/sysctl.h
1778     +++ linux-2.6.21/include/linux/sysctl.h
1779     @@ -165,6 +165,7 @@ enum
1780     KERN_MAX_LOCK_DEPTH=74,
1781     KERN_NMI_WATCHDOG=75, /* int: enable/disable nmi watchdog */
1782     KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */
1783     + KERN_FBSPLASH=77, /* string: path to fbsplash helper */
1784     };
1785    
1786    
1787     Index: linux-2.6.21/kernel/sysctl.c
1788     ===================================================================
1789     --- linux-2.6.21.orig/kernel/sysctl.c
1790     +++ linux-2.6.21/kernel/sysctl.c
1791     @@ -87,6 +87,9 @@ static int ngroups_max = NGROUPS_MAX;
1792     #ifdef CONFIG_KMOD
1793     extern char modprobe_path[];
1794     #endif
1795     +#ifdef CONFIG_FB_SPLASH
1796     +extern char fbsplash_path[];
1797     +#endif
1798     #ifdef CONFIG_CHR_DEV_SG
1799     extern int sg_big_buff;
1800     #endif
1801     @@ -341,6 +344,17 @@ static ctl_table kern_table[] = {
1802     .strategy = &sysctl_string,
1803     },
1804     #endif
1805     +#ifdef CONFIG_FB_SPLASH
1806     + {
1807     + .ctl_name = KERN_FBSPLASH,
1808     + .procname = "fbsplash",
1809     + .data = &fbsplash_path,
1810     + .maxlen = KMOD_PATH_LEN,
1811     + .mode = 0644,
1812     + .proc_handler = &proc_dostring,
1813     + .strategy = &sysctl_string,
1814     + },
1815     +#endif
1816     #ifdef CONFIG_CHR_DEV_SG
1817     {
1818     .ctl_name = KERN_SG_BIG_BUFF,