Magellan Linux

Contents of /trunk/kernel26-magellan-server/patches-2.6.31-r4/0150-2.6.31-fbcondecor-0.9.6.patch

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Revision 968 - (show annotations) (download)
Fri Jan 1 14:52:51 2010 UTC (14 years, 3 months ago) by niro
File size: 62825 byte(s)
-2.6.31-magellan-r4:
-updated to linux-2.6.31.9

1 diff --git a/Documentation/fb/00-INDEX b/Documentation/fb/00-INDEX
2 index a618fd9..6eb4dc4 100644
3 --- a/Documentation/fb/00-INDEX
4 +++ b/Documentation/fb/00-INDEX
5 @@ -15,6 +15,8 @@ deferred_io.txt
6 - an introduction to deferred IO.
7 fbcon.txt
8 - intro to and usage guide for the framebuffer console (fbcon).
9 +fbcondecor.txt
10 + - info on the Framebuffer Console Decoration
11 framebuffer.txt
12 - introduction to frame buffer devices.
13 imacfb.txt
14 diff --git a/Documentation/fb/fbcondecor.txt b/Documentation/fb/fbcondecor.txt
15 new file mode 100644
16 index 0000000..15889f3
17 --- /dev/null
18 +++ b/Documentation/fb/fbcondecor.txt
19 @@ -0,0 +1,207 @@
20 +What is it?
21 +-----------
22 +
23 +The framebuffer decorations are a kernel feature which allows displaying a
24 +background picture on selected consoles.
25 +
26 +What do I need to get it to work?
27 +---------------------------------
28 +
29 +To get fbcondecor up-and-running you will have to:
30 + 1) get a copy of splashutils [1] or a similar program
31 + 2) get some fbcondecor themes
32 + 3) build the kernel helper program
33 + 4) build your kernel with the FB_CON_DECOR option enabled.
34 +
35 +To get fbcondecor operational right after fbcon initialization is finished, you
36 +will have to include a theme and the kernel helper into your initramfs image.
37 +Please refer to splashutils documentation for instructions on how to do that.
38 +
39 +[1] The splashutils package can be downloaded from:
40 + http://dev.gentoo.org/~spock/projects/splashutils/
41 +
42 +The userspace helper
43 +--------------------
44 +
45 +The userspace fbcondecor helper (by default: /sbin/fbcondecor_helper) is called by the
46 +kernel whenever an important event occurs and the kernel needs some kind of
47 +job to be carried out. Important events include console switches and video
48 +mode switches (the kernel requests background images and configuration
49 +parameters for the current console). The fbcondecor helper must be accessible at
50 +all times. If it's not, fbcondecor will be switched off automatically.
51 +
52 +It's possible to set path to the fbcondecor helper by writing it to
53 +/proc/sys/kernel/fbcondecor.
54 +
55 +*****************************************************************************
56 +
57 +The information below is mostly technical stuff. There's probably no need to
58 +read it unless you plan to develop a userspace helper.
59 +
60 +The fbcondecor protocol
61 +-----------------------
62 +
63 +The fbcondecor protocol defines a communication interface between the kernel and
64 +the userspace fbcondecor helper.
65 +
66 +The kernel side is responsible for:
67 +
68 + * rendering console text, using an image as a background (instead of a
69 + standard solid color fbcon uses),
70 + * accepting commands from the user via ioctls on the fbcondecor device,
71 + * calling the userspace helper to set things up as soon as the fb subsystem
72 + is initialized.
73 +
74 +The userspace helper is responsible for everything else, including parsing
75 +configuration files, decompressing the image files whenever the kernel needs
76 +it, and communicating with the kernel if necessary.
77 +
78 +The fbcondecor protocol specifies how communication is done in both ways:
79 +kernel->userspace and userspace->helper.
80 +
81 +Kernel -> Userspace
82 +-------------------
83 +
84 +The kernel communicates with the userspace helper by calling it and specifying
85 +the task to be done in a series of arguments.
86 +
87 +The arguments follow the pattern:
88 +<fbcondecor protocol version> <command> <parameters>
89 +
90 +All commands defined in fbcondecor protocol v2 have the following parameters:
91 + virtual console
92 + framebuffer number
93 + theme
94 +
95 +Fbcondecor protocol v1 specified an additional 'fbcondecor mode' after the
96 +framebuffer number. Fbcondecor protocol v1 is deprecated and should not be used.
97 +
98 +Fbcondecor protocol v2 specifies the following commands:
99 +
100 +getpic
101 +------
102 + The kernel issues this command to request image data. It's up to the
103 + userspace helper to find a background image appropriate for the specified
104 + theme and the current resolution. The userspace helper should respond by
105 + issuing the FBIOCONDECOR_SETPIC ioctl.
106 +
107 +init
108 +----
109 + The kernel issues this command after the fbcondecor device is created and
110 + the fbcondecor interface is initialized. Upon receiving 'init', the userspace
111 + helper should parse the kernel command line (/proc/cmdline) or otherwise
112 + decide whether fbcondecor is to be activated.
113 +
114 + To activate fbcondecor on the first console the helper should issue the
115 + FBIOCONDECOR_SETCFG, FBIOCONDECOR_SETPIC and FBIOCONDECOR_SETSTATE commands,
116 + in the above-mentioned order.
117 +
118 + When the userspace helper is called in an early phase of the boot process
119 + (right after the initialization of fbcon), no filesystems will be mounted.
120 + The helper program should mount sysfs and then create the appropriate
121 + framebuffer, fbcondecor and tty0 devices (if they don't already exist) to get
122 + current display settings and to be able to communicate with the kernel side.
123 + It should probably also mount the procfs to be able to parse the kernel
124 + command line parameters.
125 +
126 + Note that the console sem is not held when the kernel calls fbcondecor_helper
127 + with the 'init' command. The fbcondecor helper should perform all ioctls with
128 + origin set to FBCON_DECOR_IO_ORIG_USER.
129 +
130 +modechange
131 +----------
132 + The kernel issues this command on a mode change. The helper's response should
133 + be similar to the response to the 'init' command. Note that this time the
134 + console sem is held and all ioctls must be performed with origin set to
135 + FBCON_DECOR_IO_ORIG_KERNEL.
136 +
137 +
138 +Userspace -> Kernel
139 +-------------------
140 +
141 +Userspace programs can communicate with fbcondecor via ioctls on the
142 +fbcondecor device. These ioctls are to be used by both the userspace helper
143 +(called only by the kernel) and userspace configuration tools (run by the users).
144 +
145 +The fbcondecor helper should set the origin field to FBCON_DECOR_IO_ORIG_KERNEL
146 +when doing the appropriate ioctls. All userspace configuration tools should
147 +use FBCON_DECOR_IO_ORIG_USER. Failure to set the appropriate value in the origin
148 +field when performing ioctls from the kernel helper will most likely result
149 +in a console deadlock.
150 +
151 +FBCON_DECOR_IO_ORIG_KERNEL instructs fbcondecor not to try to acquire the console
152 +semaphore. Not surprisingly, FBCON_DECOR_IO_ORIG_USER instructs it to acquire
153 +the console sem.
154 +
155 +The framebuffer console decoration provides the following ioctls (all defined in
156 +linux/fb.h):
157 +
158 +FBIOCONDECOR_SETPIC
159 +description: loads a background picture for a virtual console
160 +argument: struct fbcon_decor_iowrapper*; data: struct fb_image*
161 +notes:
162 +If called for consoles other than the current foreground one, the picture data
163 +will be ignored.
164 +
165 +If the current virtual console is running in a 8-bpp mode, the cmap substruct
166 +of fb_image has to be filled appropriately: start should be set to 16 (first
167 +16 colors are reserved for fbcon), len to a value <= 240 and red, green and
168 +blue should point to valid cmap data. The transp field is ingored. The fields
169 +dx, dy, bg_color, fg_color in fb_image are ignored as well.
170 +
171 +FBIOCONDECOR_SETCFG
172 +description: sets the fbcondecor config for a virtual console
173 +argument: struct fbcon_decor_iowrapper*; data: struct vc_decor*
174 +notes: The structure has to be filled with valid data.
175 +
176 +FBIOCONDECOR_GETCFG
177 +description: gets the fbcondecor config for a virtual console
178 +argument: struct fbcon_decor_iowrapper*; data: struct vc_decor*
179 +
180 +FBIOCONDECOR_SETSTATE
181 +description: sets the fbcondecor state for a virtual console
182 +argument: struct fbcon_decor_iowrapper*; data: unsigned int*
183 + values: 0 = disabled, 1 = enabled.
184 +
185 +FBIOCONDECOR_GETSTATE
186 +description: gets the fbcondecor state for a virtual console
187 +argument: struct fbcon_decor_iowrapper*; data: unsigned int*
188 + values: as in FBIOCONDECOR_SETSTATE
189 +
190 +Info on used structures:
191 +
192 +Definition of struct vc_decor can be found in linux/console_decor.h. It's
193 +heavily commented. Note that the 'theme' field should point to a string
194 +no longer than FBCON_DECOR_THEME_LEN. When FBIOCONDECOR_GETCFG call is
195 +performed, the theme field should point to a char buffer of length
196 +FBCON_DECOR_THEME_LEN.
197 +
198 +Definition of struct fbcon_decor_iowrapper can be found in linux/fb.h.
199 +The fields in this struct have the following meaning:
200 +
201 +vc:
202 +Virtual console number.
203 +
204 +origin:
205 +Specifies if the ioctl is performed as a response to a kernel request. The
206 +fbcondecor helper should set this field to FBCON_DECOR_IO_ORIG_KERNEL, userspace
207 +programs should set it to FBCON_DECOR_IO_ORIG_USER. This field is necessary to
208 +avoid console semaphore deadlocks.
209 +
210 +data:
211 +Pointer to a data structure appropriate for the performed ioctl. Type of
212 +the data struct is specified in the ioctls description.
213 +
214 +*****************************************************************************
215 +
216 +Credit
217 +------
218 +
219 +Original 'bootsplash' project & implementation by:
220 + Volker Poplawski <volker@poplawski.de>, Stefan Reinauer <stepan@suse.de>,
221 + Steffen Winterfeldt <snwint@suse.de>, Michael Schroeder <mls@suse.de>,
222 + Ken Wimer <wimer@suse.de>.
223 +
224 +Fbcondecor, fbcondecor protocol design, current implementation & docs by:
225 + Michal Januszewski <spock@gentoo.org>
226 +
227 diff --git a/drivers/Makefile b/drivers/Makefile
228 index 6ee53c7..4285118 100644
229 --- a/drivers/Makefile
230 +++ b/drivers/Makefile
231 @@ -9,6 +9,9 @@ obj-y += gpio/
232 obj-$(CONFIG_PCI) += pci/
233 obj-$(CONFIG_PARISC) += parisc/
234 obj-$(CONFIG_RAPIDIO) += rapidio/
235 +# char/ comes before serial/ etc so that the VT console is the boot-time
236 +# default.
237 +obj-y += char/
238 obj-y += video/
239 obj-$(CONFIG_ACPI) += acpi/
240 obj-$(CONFIG_SFI) += sfi/
241 @@ -22,10 +25,6 @@ obj-$(CONFIG_XEN) += xen/
242 # regulators early, since some subsystems rely on them to initialize
243 obj-$(CONFIG_REGULATOR) += regulator/
244
245 -# char/ comes before serial/ etc so that the VT console is the boot-time
246 -# default.
247 -obj-y += char/
248 -
249 # gpu/ comes after char for AGP vs DRM startup
250 obj-y += gpu/
251
252 diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
253 index 9bbb285..43fef77 100644
254 --- a/drivers/video/Kconfig
255 +++ b/drivers/video/Kconfig
256 @@ -1162,7 +1162,6 @@ config FB_MATROX
257 select FB_CFB_FILLRECT
258 select FB_CFB_COPYAREA
259 select FB_CFB_IMAGEBLIT
260 - select FB_TILEBLITTING
261 select FB_MACMODES if PPC_PMAC
262 ---help---
263 Say Y here if you have a Matrox Millennium, Matrox Millennium II,
264 diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
265 index fc7d9bb..cb8412e 100644
266 --- a/drivers/video/console/Kconfig
267 +++ b/drivers/video/console/Kconfig
268 @@ -121,6 +121,19 @@ config FRAMEBUFFER_CONSOLE_ROTATION
269 such that other users of the framebuffer will remain normally
270 oriented.
271
272 +config FB_CON_DECOR
273 + bool "Support for the Framebuffer Console Decorations"
274 + depends on FRAMEBUFFER_CONSOLE=y && !FB_TILEBLITTING
275 + default n
276 + ---help---
277 + This option enables support for framebuffer console decorations which
278 + makes it possible to display images in the background of the system
279 + consoles. Note that userspace utilities are necessary in order to take
280 + advantage of these features. Refer to Documentation/fb/fbcondecor.txt
281 + for more information.
282 +
283 + If unsure, say N.
284 +
285 config STI_CONSOLE
286 bool "STI text console"
287 depends on PARISC
288 diff --git a/drivers/video/console/Makefile b/drivers/video/console/Makefile
289 index a862e91..86bfcff 100644
290 --- a/drivers/video/console/Makefile
291 +++ b/drivers/video/console/Makefile
292 @@ -34,6 +34,7 @@ obj-$(CONFIG_FRAMEBUFFER_CONSOLE) += fbcon_rotate.o fbcon_cw.o fbcon_ud.o \
293 fbcon_ccw.o
294 endif
295
296 +obj-$(CONFIG_FB_CON_DECOR) += fbcondecor.o cfbcondecor.o
297 obj-$(CONFIG_FB_STI) += sticore.o font.o
298
299 ifeq ($(CONFIG_USB_SISUSBVGA_CON),y)
300 diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
301 index 6b7c8fb..6b4d555 100644
302 --- a/drivers/video/console/bitblit.c
303 +++ b/drivers/video/console/bitblit.c
304 @@ -17,6 +17,7 @@
305 #include <linux/console.h>
306 #include <asm/types.h>
307 #include "fbcon.h"
308 +#include "fbcondecor.h"
309
310 /*
311 * Accelerated handlers.
312 @@ -54,6 +55,13 @@ static void bit_bmove(struct vc_data *vc, struct fb_info *info, int sy,
313 area.height = height * vc->vc_font.height;
314 area.width = width * vc->vc_font.width;
315
316 + if (fbcon_decor_active(info, vc)) {
317 + area.sx += vc->vc_decor.tx;
318 + area.sy += vc->vc_decor.ty;
319 + area.dx += vc->vc_decor.tx;
320 + area.dy += vc->vc_decor.ty;
321 + }
322 +
323 info->fbops->fb_copyarea(info, &area);
324 }
325
326 @@ -379,11 +387,15 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode,
327 cursor.image.depth = 1;
328 cursor.rop = ROP_XOR;
329
330 - if (info->fbops->fb_cursor)
331 - err = info->fbops->fb_cursor(info, &cursor);
332 + if (fbcon_decor_active(info, vc)) {
333 + fbcon_decor_cursor(info, &cursor);
334 + } else {
335 + if (info->fbops->fb_cursor)
336 + err = info->fbops->fb_cursor(info, &cursor);
337
338 - if (err)
339 - soft_cursor(info, &cursor);
340 + if (err)
341 + soft_cursor(info, &cursor);
342 + }
343
344 ops->cursor_reset = 0;
345 }
346 diff --git a/drivers/video/console/cfbcondecor.c b/drivers/video/console/cfbcondecor.c
347 new file mode 100644
348 index 0000000..7654ec6
349 --- /dev/null
350 +++ b/drivers/video/console/cfbcondecor.c
351 @@ -0,0 +1,471 @@
352 +/*
353 + * linux/drivers/video/cfbcon_decor.c -- Framebuffer decor render functions
354 + *
355 + * Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
356 + *
357 + * Code based upon "Bootdecor" (C) 2001-2003
358 + * Volker Poplawski <volker@poplawski.de>,
359 + * Stefan Reinauer <stepan@suse.de>,
360 + * Steffen Winterfeldt <snwint@suse.de>,
361 + * Michael Schroeder <mls@suse.de>,
362 + * Ken Wimer <wimer@suse.de>.
363 + *
364 + * This file is subject to the terms and conditions of the GNU General Public
365 + * License. See the file COPYING in the main directory of this archive for
366 + * more details.
367 + */
368 +#include <linux/module.h>
369 +#include <linux/types.h>
370 +#include <linux/fb.h>
371 +#include <linux/selection.h>
372 +#include <linux/vt_kern.h>
373 +#include <asm/irq.h>
374 +#include <asm/system.h>
375 +
376 +#include "fbcon.h"
377 +#include "fbcondecor.h"
378 +
379 +#define parse_pixel(shift,bpp,type) \
380 + do { \
381 + if (d & (0x80 >> (shift))) \
382 + dd2[(shift)] = fgx; \
383 + else \
384 + dd2[(shift)] = transparent ? *(type *)decor_src : bgx; \
385 + decor_src += (bpp); \
386 + } while (0) \
387 +
388 +extern int get_color(struct vc_data *vc, struct fb_info *info,
389 + u16 c, int is_fg);
390 +
391 +void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc)
392 +{
393 + int i, j, k;
394 + int minlen = min(min(info->var.red.length, info->var.green.length),
395 + info->var.blue.length);
396 + u32 col;
397 +
398 + for (j = i = 0; i < 16; i++) {
399 + k = color_table[i];
400 +
401 + col = ((vc->vc_palette[j++] >> (8-minlen))
402 + << info->var.red.offset);
403 + col |= ((vc->vc_palette[j++] >> (8-minlen))
404 + << info->var.green.offset);
405 + col |= ((vc->vc_palette[j++] >> (8-minlen))
406 + << info->var.blue.offset);
407 + ((u32 *)info->pseudo_palette)[k] = col;
408 + }
409 +}
410 +
411 +void fbcon_decor_renderc(struct fb_info *info, int ypos, int xpos, int height,
412 + int width, u8* src, u32 fgx, u32 bgx, u8 transparent)
413 +{
414 + unsigned int x, y;
415 + u32 dd;
416 + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
417 + unsigned int d = ypos * info->fix.line_length + xpos * bytespp;
418 + unsigned int ds = (ypos * info->var.xres + xpos) * bytespp;
419 + u16 dd2[4];
420 +
421 + u8* decor_src = (u8 *)(info->bgdecor.data + ds);
422 + u8* dst = (u8 *)(info->screen_base + d);
423 +
424 + if ((ypos + height) > info->var.yres || (xpos + width) > info->var.xres)
425 + return;
426 +
427 + for (y = 0; y < height; y++) {
428 + switch (info->var.bits_per_pixel) {
429 +
430 + case 32:
431 + for (x = 0; x < width; x++) {
432 +
433 + if ((x & 7) == 0)
434 + d = *src++;
435 + if (d & 0x80)
436 + dd = fgx;
437 + else
438 + dd = transparent ?
439 + *(u32 *)decor_src : bgx;
440 +
441 + d <<= 1;
442 + decor_src += 4;
443 + fb_writel(dd, dst);
444 + dst += 4;
445 + }
446 + break;
447 + case 24:
448 + for (x = 0; x < width; x++) {
449 +
450 + if ((x & 7) == 0)
451 + d = *src++;
452 + if (d & 0x80)
453 + dd = fgx;
454 + else
455 + dd = transparent ?
456 + (*(u32 *)decor_src & 0xffffff) : bgx;
457 +
458 + d <<= 1;
459 + decor_src += 3;
460 +#ifdef __LITTLE_ENDIAN
461 + fb_writew(dd & 0xffff, dst);
462 + dst += 2;
463 + fb_writeb((dd >> 16), dst);
464 +#else
465 + fb_writew(dd >> 8, dst);
466 + dst += 2;
467 + fb_writeb(dd & 0xff, dst);
468 +#endif
469 + dst++;
470 + }
471 + break;
472 + case 16:
473 + for (x = 0; x < width; x += 2) {
474 + if ((x & 7) == 0)
475 + d = *src++;
476 +
477 + parse_pixel(0, 2, u16);
478 + parse_pixel(1, 2, u16);
479 +#ifdef __LITTLE_ENDIAN
480 + dd = dd2[0] | (dd2[1] << 16);
481 +#else
482 + dd = dd2[1] | (dd2[0] << 16);
483 +#endif
484 + d <<= 2;
485 + fb_writel(dd, dst);
486 + dst += 4;
487 + }
488 + break;
489 +
490 + case 8:
491 + for (x = 0; x < width; x += 4) {
492 + if ((x & 7) == 0)
493 + d = *src++;
494 +
495 + parse_pixel(0, 1, u8);
496 + parse_pixel(1, 1, u8);
497 + parse_pixel(2, 1, u8);
498 + parse_pixel(3, 1, u8);
499 +
500 +#ifdef __LITTLE_ENDIAN
501 + dd = dd2[0] | (dd2[1] << 8) | (dd2[2] << 16) | (dd2[3] << 24);
502 +#else
503 + dd = dd2[3] | (dd2[2] << 8) | (dd2[1] << 16) | (dd2[0] << 24);
504 +#endif
505 + d <<= 4;
506 + fb_writel(dd, dst);
507 + dst += 4;
508 + }
509 + }
510 +
511 + dst += info->fix.line_length - width * bytespp;
512 + decor_src += (info->var.xres - width) * bytespp;
513 + }
514 +}
515 +
516 +#define cc2cx(a) \
517 + ((info->fix.visual == FB_VISUAL_TRUECOLOR || \
518 + info->fix.visual == FB_VISUAL_DIRECTCOLOR) ? \
519 + ((u32*)info->pseudo_palette)[a] : a)
520 +
521 +void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info,
522 + const unsigned short *s, int count, int yy, int xx)
523 +{
524 + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
525 + struct fbcon_ops *ops = info->fbcon_par;
526 + int fg_color, bg_color, transparent;
527 + u8 *src;
528 + u32 bgx, fgx;
529 + u16 c = scr_readw(s);
530 +
531 + fg_color = get_color(vc, info, c, 1);
532 + bg_color = get_color(vc, info, c, 0);
533 +
534 + /* Don't paint the background image if console is blanked */
535 + transparent = ops->blank_state ? 0 :
536 + (vc->vc_decor.bg_color == bg_color);
537 +
538 + xx = xx * vc->vc_font.width + vc->vc_decor.tx;
539 + yy = yy * vc->vc_font.height + vc->vc_decor.ty;
540 +
541 + fgx = cc2cx(fg_color);
542 + bgx = cc2cx(bg_color);
543 +
544 + while (count--) {
545 + c = scr_readw(s++);
546 + src = vc->vc_font.data + (c & charmask) * vc->vc_font.height *
547 + ((vc->vc_font.width + 7) >> 3);
548 +
549 + fbcon_decor_renderc(info, yy, xx, vc->vc_font.height,
550 + vc->vc_font.width, src, fgx, bgx, transparent);
551 + xx += vc->vc_font.width;
552 + }
553 +}
554 +
555 +void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor)
556 +{
557 + int i;
558 + unsigned int dsize, s_pitch;
559 + struct fbcon_ops *ops = info->fbcon_par;
560 + struct vc_data* vc;
561 + u8 *src;
562 +
563 + /* we really don't need any cursors while the console is blanked */
564 + if (info->state != FBINFO_STATE_RUNNING || ops->blank_state)
565 + return;
566 +
567 + vc = vc_cons[ops->currcon].d;
568 +
569 + src = kmalloc(64 + sizeof(struct fb_image), GFP_ATOMIC);
570 + if (!src)
571 + return;
572 +
573 + s_pitch = (cursor->image.width + 7) >> 3;
574 + dsize = s_pitch * cursor->image.height;
575 + if (cursor->enable) {
576 + switch (cursor->rop) {
577 + case ROP_XOR:
578 + for (i = 0; i < dsize; i++)
579 + src[i] = cursor->image.data[i] ^ cursor->mask[i];
580 + break;
581 + case ROP_COPY:
582 + default:
583 + for (i = 0; i < dsize; i++)
584 + src[i] = cursor->image.data[i] & cursor->mask[i];
585 + break;
586 + }
587 + } else
588 + memcpy(src, cursor->image.data, dsize);
589 +
590 + fbcon_decor_renderc(info,
591 + cursor->image.dy + vc->vc_decor.ty,
592 + cursor->image.dx + vc->vc_decor.tx,
593 + cursor->image.height,
594 + cursor->image.width,
595 + (u8*)src,
596 + cc2cx(cursor->image.fg_color),
597 + cc2cx(cursor->image.bg_color),
598 + cursor->image.bg_color == vc->vc_decor.bg_color);
599 +
600 + kfree(src);
601 +}
602 +
603 +static void decorset(u8 *dst, int height, int width, int dstbytes,
604 + u32 bgx, int bpp)
605 +{
606 + int i;
607 +
608 + if (bpp == 8)
609 + bgx |= bgx << 8;
610 + if (bpp == 16 || bpp == 8)
611 + bgx |= bgx << 16;
612 +
613 + while (height-- > 0) {
614 + u8 *p = dst;
615 +
616 + switch (bpp) {
617 +
618 + case 32:
619 + for (i=0; i < width; i++) {
620 + fb_writel(bgx, p); p += 4;
621 + }
622 + break;
623 + case 24:
624 + for (i=0; i < width; i++) {
625 +#ifdef __LITTLE_ENDIAN
626 + fb_writew((bgx & 0xffff),(u16*)p); p += 2;
627 + fb_writeb((bgx >> 16),p++);
628 +#else
629 + fb_writew((bgx >> 8),(u16*)p); p += 2;
630 + fb_writeb((bgx & 0xff),p++);
631 +#endif
632 + }
633 + case 16:
634 + for (i=0; i < width/4; i++) {
635 + fb_writel(bgx,p); p += 4;
636 + fb_writel(bgx,p); p += 4;
637 + }
638 + if (width & 2) {
639 + fb_writel(bgx,p); p += 4;
640 + }
641 + if (width & 1)
642 + fb_writew(bgx,(u16*)p);
643 + break;
644 + case 8:
645 + for (i=0; i < width/4; i++) {
646 + fb_writel(bgx,p); p += 4;
647 + }
648 +
649 + if (width & 2) {
650 + fb_writew(bgx,p); p += 2;
651 + }
652 + if (width & 1)
653 + fb_writeb(bgx,(u8*)p);
654 + break;
655 +
656 + }
657 + dst += dstbytes;
658 + }
659 +}
660 +
661 +void fbcon_decor_copy(u8 *dst, u8 *src, int height, int width, int linebytes,
662 + int srclinebytes, int bpp)
663 +{
664 + int i;
665 +
666 + while (height-- > 0) {
667 + u32 *p = (u32 *)dst;
668 + u32 *q = (u32 *)src;
669 +
670 + switch (bpp) {
671 +
672 + case 32:
673 + for (i=0; i < width; i++)
674 + fb_writel(*q++, p++);
675 + break;
676 + case 24:
677 + for (i=0; i < (width*3/4); i++)
678 + fb_writel(*q++, p++);
679 + if ((width*3) % 4) {
680 + if (width & 2) {
681 + fb_writeb(*(u8*)q, (u8*)p);
682 + } else if (width & 1) {
683 + fb_writew(*(u16*)q, (u16*)p);
684 + fb_writeb(*(u8*)((u16*)q+1),(u8*)((u16*)p+2));
685 + }
686 + }
687 + break;
688 + case 16:
689 + for (i=0; i < width/4; i++) {
690 + fb_writel(*q++, p++);
691 + fb_writel(*q++, p++);
692 + }
693 + if (width & 2)
694 + fb_writel(*q++, p++);
695 + if (width & 1)
696 + fb_writew(*(u16*)q, (u16*)p);
697 + break;
698 + case 8:
699 + for (i=0; i < width/4; i++)
700 + fb_writel(*q++, p++);
701 +
702 + if (width & 2) {
703 + fb_writew(*(u16*)q, (u16*)p);
704 + q = (u32*) ((u16*)q + 1);
705 + p = (u32*) ((u16*)p + 1);
706 + }
707 + if (width & 1)
708 + fb_writeb(*(u8*)q, (u8*)p);
709 + break;
710 + }
711 +
712 + dst += linebytes;
713 + src += srclinebytes;
714 + }
715 +}
716 +
717 +static void decorfill(struct fb_info *info, int sy, int sx, int height,
718 + int width)
719 +{
720 + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
721 + int d = sy * info->fix.line_length + sx * bytespp;
722 + int ds = (sy * info->var.xres + sx) * bytespp;
723 +
724 + fbcon_decor_copy((u8 *)(info->screen_base + d), (u8 *)(info->bgdecor.data + ds),
725 + height, width, info->fix.line_length, info->var.xres * bytespp,
726 + info->var.bits_per_pixel);
727 +}
728 +
729 +void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx,
730 + int height, int width)
731 +{
732 + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
733 + struct fbcon_ops *ops = info->fbcon_par;
734 + u8 *dst;
735 + int transparent, bg_color = attr_bgcol_ec(bgshift, vc, info);
736 +
737 + transparent = (vc->vc_decor.bg_color == bg_color);
738 + sy = sy * vc->vc_font.height + vc->vc_decor.ty;
739 + sx = sx * vc->vc_font.width + vc->vc_decor.tx;
740 + height *= vc->vc_font.height;
741 + width *= vc->vc_font.width;
742 +
743 + /* Don't paint the background image if console is blanked */
744 + if (transparent && !ops->blank_state) {
745 + decorfill(info, sy, sx, height, width);
746 + } else {
747 + dst = (u8 *)(info->screen_base + sy * info->fix.line_length +
748 + sx * ((info->var.bits_per_pixel + 7) >> 3));
749 + decorset(dst, height, width, info->fix.line_length, cc2cx(bg_color),
750 + info->var.bits_per_pixel);
751 + }
752 +}
753 +
754 +void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info,
755 + int bottom_only)
756 +{
757 + unsigned int tw = vc->vc_cols*vc->vc_font.width;
758 + unsigned int th = vc->vc_rows*vc->vc_font.height;
759 +
760 + if (!bottom_only) {
761 + /* top margin */
762 + decorfill(info, 0, 0, vc->vc_decor.ty, info->var.xres);
763 + /* left margin */
764 + decorfill(info, vc->vc_decor.ty, 0, th, vc->vc_decor.tx);
765 + /* right margin */
766 + decorfill(info, vc->vc_decor.ty, vc->vc_decor.tx + tw, th,
767 + info->var.xres - vc->vc_decor.tx - tw);
768 + }
769 + decorfill(info, vc->vc_decor.ty + th, 0,
770 + info->var.yres - vc->vc_decor.ty - th, info->var.xres);
771 +}
772 +
773 +void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y,
774 + int sx, int dx, int width)
775 +{
776 + u16 *d = (u16 *) (vc->vc_origin + vc->vc_size_row * y + dx * 2);
777 + u16 *s = d + (dx - sx);
778 + u16 *start = d;
779 + u16 *ls = d;
780 + u16 *le = d + width;
781 + u16 c;
782 + int x = dx;
783 + u16 attr = 1;
784 +
785 + do {
786 + c = scr_readw(d);
787 + if (attr != (c & 0xff00)) {
788 + attr = c & 0xff00;
789 + if (d > start) {
790 + fbcon_decor_putcs(vc, info, start, d - start, y, x);
791 + x += d - start;
792 + start = d;
793 + }
794 + }
795 + if (s >= ls && s < le && c == scr_readw(s)) {
796 + if (d > start) {
797 + fbcon_decor_putcs(vc, info, start, d - start, y, x);
798 + x += d - start + 1;
799 + start = d + 1;
800 + } else {
801 + x++;
802 + start++;
803 + }
804 + }
805 + s++;
806 + d++;
807 + } while (d < le);
808 + if (d > start)
809 + fbcon_decor_putcs(vc, info, start, d - start, y, x);
810 +}
811 +
812 +void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank)
813 +{
814 + if (blank) {
815 + decorset((u8 *)info->screen_base, info->var.yres, info->var.xres,
816 + info->fix.line_length, 0, info->var.bits_per_pixel);
817 + } else {
818 + update_screen(vc);
819 + fbcon_decor_clear_margins(vc, info, 0);
820 + }
821 +}
822 +
823 diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
824 index 5a686ce..0846857 100644
825 --- a/drivers/video/console/fbcon.c
826 +++ b/drivers/video/console/fbcon.c
827 @@ -80,6 +80,7 @@
828 #include <asm/system.h>
829
830 #include "fbcon.h"
831 +#include "fbcondecor.h"
832
833 #ifdef FBCONDEBUG
834 # define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__ , ## args)
835 @@ -95,7 +96,7 @@ enum {
836
837 static struct display fb_display[MAX_NR_CONSOLES];
838
839 -static signed char con2fb_map[MAX_NR_CONSOLES];
840 +signed char con2fb_map[MAX_NR_CONSOLES];
841 static signed char con2fb_map_boot[MAX_NR_CONSOLES];
842
843 static int logo_lines;
844 @@ -286,7 +287,7 @@ static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
845 vc->vc_mode != KD_TEXT || ops->graphics);
846 }
847
848 -static inline int get_color(struct vc_data *vc, struct fb_info *info,
849 +inline int get_color(struct vc_data *vc, struct fb_info *info,
850 u16 c, int is_fg)
851 {
852 int depth = fb_get_color_depth(&info->var, &info->fix);
853 @@ -391,6 +392,7 @@ static void fb_flashcursor(struct work_struct *work)
854 CM_ERASE : CM_DRAW;
855 ops->cursor(vc, info, mode, softback_lines, get_color(vc, info, c, 1),
856 get_color(vc, info, c, 0));
857 +
858 release_console_sem();
859 }
860
861 @@ -527,6 +529,7 @@ static int search_for_mapped_con(void)
862 static int fbcon_takeover(int show_logo)
863 {
864 int err, i;
865 + struct fb_info *info;
866
867 if (!num_registered_fb)
868 return -ENODEV;
869 @@ -540,6 +543,8 @@ static int fbcon_takeover(int show_logo)
870 err = take_over_console(&fb_con, first_fb_vc, last_fb_vc,
871 fbcon_is_default);
872
873 + info = registered_fb[info_idx];
874 +
875 if (err) {
876 for (i = first_fb_vc; i <= last_fb_vc; i++) {
877 con2fb_map[i] = -1;
878 @@ -547,6 +552,9 @@ static int fbcon_takeover(int show_logo)
879 info_idx = -1;
880 } else {
881 fbcon_has_console_bind = 1;
882 + unlock_fb_info(info);
883 + fbcon_decor_init();
884 + lock_fb_info(info);
885 }
886
887 return err;
888 @@ -1001,6 +1009,12 @@ static const char *fbcon_startup(void)
889 rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
890 cols /= vc->vc_font.width;
891 rows /= vc->vc_font.height;
892 +
893 + if (fbcon_decor_active(info, vc)) {
894 + cols = vc->vc_decor.twidth / vc->vc_font.width;
895 + rows = vc->vc_decor.theight / vc->vc_font.height;
896 + }
897 +
898 vc_resize(vc, cols, rows);
899
900 DPRINTK("mode: %s\n", info->fix.id);
901 @@ -1030,7 +1044,7 @@ static void fbcon_init(struct vc_data *vc, int init)
902 cap = info->flags;
903
904 if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW ||
905 - (info->fix.type == FB_TYPE_TEXT))
906 + (info->fix.type == FB_TYPE_TEXT) || fbcon_decor_active(info, vc))
907 logo = 0;
908
909 if (var_to_display(p, &info->var, info))
910 @@ -1239,6 +1253,11 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
911 if (sy < vc->vc_top && vc->vc_top == logo_lines)
912 vc->vc_top = 0;
913
914 + if (fbcon_decor_active(info, vc)) {
915 + fbcon_decor_clear(vc, info, sy, sx, height, width);
916 + return;
917 + }
918 +
919 /* Split blits that cross physical y_wrap boundary */
920
921 y_break = p->vrows - p->yscroll;
922 @@ -1258,10 +1277,15 @@ static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
923 struct display *p = &fb_display[vc->vc_num];
924 struct fbcon_ops *ops = info->fbcon_par;
925
926 - if (!fbcon_is_inactive(vc, info))
927 - ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
928 - get_color(vc, info, scr_readw(s), 1),
929 - get_color(vc, info, scr_readw(s), 0));
930 + if (!fbcon_is_inactive(vc, info)) {
931 +
932 + if (fbcon_decor_active(info, vc))
933 + fbcon_decor_putcs(vc, info, s, count, ypos, xpos);
934 + else
935 + ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
936 + get_color(vc, info, scr_readw(s), 1),
937 + get_color(vc, info, scr_readw(s), 0));
938 + }
939 }
940
941 static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos)
942 @@ -1277,8 +1301,13 @@ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
943 struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
944 struct fbcon_ops *ops = info->fbcon_par;
945
946 - if (!fbcon_is_inactive(vc, info))
947 - ops->clear_margins(vc, info, bottom_only);
948 + if (!fbcon_is_inactive(vc, info)) {
949 + if (fbcon_decor_active(info, vc)) {
950 + fbcon_decor_clear_margins(vc, info, bottom_only);
951 + } else {
952 + ops->clear_margins(vc, info, bottom_only);
953 + }
954 + }
955 }
956
957 static void fbcon_cursor(struct vc_data *vc, int mode)
958 @@ -1798,7 +1827,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
959 count = vc->vc_rows;
960 if (softback_top)
961 fbcon_softback_note(vc, t, count);
962 - if (logo_shown >= 0)
963 + if (logo_shown >= 0 || fbcon_decor_active(info, vc))
964 goto redraw_up;
965 switch (p->scrollmode) {
966 case SCROLL_MOVE:
967 @@ -1891,6 +1920,8 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
968 count = vc->vc_rows;
969 if (logo_shown >= 0)
970 goto redraw_down;
971 + if (fbcon_decor_active(info, vc))
972 + goto redraw_down;
973 switch (p->scrollmode) {
974 case SCROLL_MOVE:
975 fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
976 @@ -2039,6 +2070,13 @@ static void fbcon_bmove_rec(struct vc_data *vc, struct display *p, int sy, int s
977 }
978 return;
979 }
980 +
981 + if (fbcon_decor_active(info, vc) && sy == dy && height == 1) {
982 + /* must use slower redraw bmove to keep background pic intact */
983 + fbcon_decor_bmove_redraw(vc, info, sy, sx, dx, width);
984 + return;
985 + }
986 +
987 ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx,
988 height, width);
989 }
990 @@ -2109,8 +2147,8 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
991 var.yres = virt_h * virt_fh;
992 x_diff = info->var.xres - var.xres;
993 y_diff = info->var.yres - var.yres;
994 - if (x_diff < 0 || x_diff > virt_fw ||
995 - y_diff < 0 || y_diff > virt_fh) {
996 + if ((x_diff < 0 || x_diff > virt_fw ||
997 + y_diff < 0 || y_diff > virt_fh) && !vc->vc_decor.state) {
998 const struct fb_videomode *mode;
999
1000 DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
1001 @@ -2146,6 +2184,19 @@ static int fbcon_switch(struct vc_data *vc)
1002
1003 info = registered_fb[con2fb_map[vc->vc_num]];
1004 ops = info->fbcon_par;
1005 + prev_console = ops->currcon;
1006 + if (prev_console != -1)
1007 + old_info = registered_fb[con2fb_map[prev_console]];
1008 +
1009 + if (!fbcon_decor_active_vc(vc) && info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1010 + struct vc_data *vc_curr = vc_cons[prev_console].d;
1011 + if (vc_curr && fbcon_decor_active_vc(vc_curr)) {
1012 + /* Clear the screen to avoid displaying funky colors during
1013 + * palette updates. */
1014 + memset((u8*)info->screen_base + info->fix.line_length * info->var.yoffset,
1015 + 0, info->var.yres * info->fix.line_length);
1016 + }
1017 + }
1018
1019 if (softback_top) {
1020 if (softback_lines)
1021 @@ -2164,9 +2215,6 @@ static int fbcon_switch(struct vc_data *vc)
1022 logo_shown = FBCON_LOGO_CANSHOW;
1023 }
1024
1025 - prev_console = ops->currcon;
1026 - if (prev_console != -1)
1027 - old_info = registered_fb[con2fb_map[prev_console]];
1028 /*
1029 * FIXME: If we have multiple fbdev's loaded, we need to
1030 * update all info->currcon. Perhaps, we can place this
1031 @@ -2210,6 +2258,18 @@ static int fbcon_switch(struct vc_data *vc)
1032 fbcon_del_cursor_timer(old_info);
1033 }
1034
1035 + if (fbcon_decor_active_vc(vc)) {
1036 + struct vc_data *vc_curr = vc_cons[prev_console].d;
1037 +
1038 + if (!vc_curr->vc_decor.theme ||
1039 + strcmp(vc->vc_decor.theme, vc_curr->vc_decor.theme) ||
1040 + (fbcon_decor_active_nores(info, vc_curr) &&
1041 + !fbcon_decor_active(info, vc_curr))) {
1042 + if (fbcon_decor_call_helper("modechange", vc->vc_num))
1043 + fbcon_decor_disable(vc, 0);
1044 + }
1045 + }
1046 +
1047 if (fbcon_is_inactive(vc, info) ||
1048 ops->blank_state != FB_BLANK_UNBLANK)
1049 fbcon_del_cursor_timer(info);
1050 @@ -2321,15 +2381,20 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
1051 info->fbops->fb_restore_state(info);
1052 }
1053
1054 - if (!fbcon_is_inactive(vc, info)) {
1055 + if (!fbcon_is_inactive(vc, info)) {
1056 if (ops->blank_state != blank) {
1057 ops->blank_state = blank;
1058 fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
1059 ops->cursor_flash = (!blank);
1060
1061 - if (!(info->flags & FBINFO_MISC_USEREVENT))
1062 - if (fb_blank(info, blank))
1063 - fbcon_generic_blank(vc, info, blank);
1064 + if (!(info->flags & FBINFO_MISC_USEREVENT)) {
1065 + if (fb_blank(info, blank)) {
1066 + if (fbcon_decor_active(info, vc))
1067 + fbcon_decor_blank(vc, info, blank);
1068 + else
1069 + fbcon_generic_blank(vc, info, blank);
1070 + }
1071 + }
1072 }
1073
1074 if (!blank)
1075 @@ -2480,13 +2545,22 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
1076 }
1077
1078 if (resize) {
1079 + /* reset wrap/pan */
1080 int cols, rows;
1081
1082 cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
1083 rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
1084 +
1085 + info->var.xoffset = info->var.yoffset = p->yscroll = 0;
1086 + if (fbcon_decor_active(info, vc)) {
1087 + cols = vc->vc_decor.twidth;
1088 + rows = vc->vc_decor.theight;
1089 + }
1090 cols /= w;
1091 rows /= h;
1092 +
1093 vc_resize(vc, cols, rows);
1094 +
1095 if (CON_IS_VISIBLE(vc) && softback_buf)
1096 fbcon_update_softback(vc);
1097 } else if (CON_IS_VISIBLE(vc)
1098 @@ -2615,7 +2689,7 @@ static int fbcon_set_palette(struct vc_data *vc, unsigned char *table)
1099 int i, j, k, depth;
1100 u8 val;
1101
1102 - if (fbcon_is_inactive(vc, info))
1103 + if (fbcon_is_inactive(vc, info) || vc->vc_num != fg_console)
1104 return -EINVAL;
1105
1106 if (!CON_IS_VISIBLE(vc))
1107 @@ -2641,7 +2715,49 @@ static int fbcon_set_palette(struct vc_data *vc, unsigned char *table)
1108 } else
1109 fb_copy_cmap(fb_default_cmap(1 << depth), &palette_cmap);
1110
1111 - return fb_set_cmap(&palette_cmap, info);
1112 + if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
1113 + info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1114 +
1115 + u16 *red, *green, *blue;
1116 + int minlen = min(min(info->var.red.length, info->var.green.length),
1117 + info->var.blue.length);
1118 + int h;
1119 +
1120 + struct fb_cmap cmap = {
1121 + .start = 0,
1122 + .len = (1 << minlen),
1123 + .red = NULL,
1124 + .green = NULL,
1125 + .blue = NULL,
1126 + .transp = NULL
1127 + };
1128 +
1129 + red = kmalloc(256 * sizeof(u16) * 3, GFP_KERNEL);
1130 +
1131 + if (!red)
1132 + goto out;
1133 +
1134 + green = red + 256;
1135 + blue = green + 256;
1136 + cmap.red = red;
1137 + cmap.green = green;
1138 + cmap.blue = blue;
1139 +
1140 + for (i = 0; i < cmap.len; i++) {
1141 + red[i] = green[i] = blue[i] = (0xffff * i)/(cmap.len-1);
1142 + }
1143 +
1144 + h = fb_set_cmap(&cmap, info);
1145 + fbcon_decor_fix_pseudo_pal(info, vc_cons[fg_console].d);
1146 + kfree(red);
1147 +
1148 + return h;
1149 +
1150 + } else if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
1151 + info->var.bits_per_pixel == 8 && info->bgdecor.cmap.red != NULL)
1152 + fb_set_cmap(&info->bgdecor.cmap, info);
1153 +
1154 +out: return fb_set_cmap(&palette_cmap, info);
1155 }
1156
1157 static u16 *fbcon_screen_pos(struct vc_data *vc, int offset)
1158 @@ -2867,7 +2983,18 @@ static void fbcon_modechanged(struct fb_info *info)
1159 rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
1160 cols /= vc->vc_font.width;
1161 rows /= vc->vc_font.height;
1162 - vc_resize(vc, cols, rows);
1163 +
1164 + if (!fbcon_decor_active_nores(info, vc)) {
1165 + vc_resize(vc, cols, rows);
1166 + } else {
1167 + /* HACK: Do this properly at some point.. */
1168 + unlock_fb_info(info);
1169 + int res = fbcon_decor_call_helper("modechange", vc->vc_num);
1170 + lock_fb_info(info);
1171 + if (res)
1172 + fbcon_decor_disable(vc, 0);
1173 + }
1174 +
1175 updatescrollmode(p, info, vc);
1176 scrollback_max = 0;
1177 scrollback_current = 0;
1178 @@ -3501,6 +3628,7 @@ static void fbcon_exit(void)
1179 }
1180 }
1181
1182 + fbcon_decor_exit();
1183 fbcon_has_exited = 1;
1184 }
1185
1186 diff --git a/drivers/video/console/fbcondecor.c b/drivers/video/console/fbcondecor.c
1187 new file mode 100644
1188 index 0000000..a0b4ae3
1189 --- /dev/null
1190 +++ b/drivers/video/console/fbcondecor.c
1191 @@ -0,0 +1,561 @@
1192 +/*
1193 + * linux/drivers/video/console/fbcondecor.c -- Framebuffer console decorations
1194 + *
1195 + * Copyright (C) 2004-2009 Michal Januszewski <spock@gentoo.org>
1196 + *
1197 + * Code based upon "Bootsplash" (C) 2001-2003
1198 + * Volker Poplawski <volker@poplawski.de>,
1199 + * Stefan Reinauer <stepan@suse.de>,
1200 + * Steffen Winterfeldt <snwint@suse.de>,
1201 + * Michael Schroeder <mls@suse.de>,
1202 + * Ken Wimer <wimer@suse.de>.
1203 + *
1204 + * Compat ioctl support by Thorsten Klein <TK@Thorsten-Klein.de>.
1205 + *
1206 + * This file is subject to the terms and conditions of the GNU General Public
1207 + * License. See the file COPYING in the main directory of this archive for
1208 + * more details.
1209 + *
1210 + */
1211 +#include <linux/module.h>
1212 +#include <linux/kernel.h>
1213 +#include <linux/string.h>
1214 +#include <linux/types.h>
1215 +#include <linux/fb.h>
1216 +#include <linux/vt_kern.h>
1217 +#include <linux/vmalloc.h>
1218 +#include <linux/unistd.h>
1219 +#include <linux/syscalls.h>
1220 +#include <linux/init.h>
1221 +#include <linux/proc_fs.h>
1222 +#include <linux/workqueue.h>
1223 +#include <linux/kmod.h>
1224 +#include <linux/miscdevice.h>
1225 +#include <linux/device.h>
1226 +#include <linux/fs.h>
1227 +#include <linux/compat.h>
1228 +
1229 +#include <asm/uaccess.h>
1230 +#include <asm/irq.h>
1231 +#include <asm/system.h>
1232 +
1233 +#include "fbcon.h"
1234 +#include "fbcondecor.h"
1235 +
1236 +extern signed char con2fb_map[];
1237 +static int fbcon_decor_enable(struct vc_data *vc);
1238 +char fbcon_decor_path[KMOD_PATH_LEN] = "/sbin/fbcondecor_helper";
1239 +static int initialized = 0;
1240 +
1241 +int fbcon_decor_call_helper(char* cmd, unsigned short vc)
1242 +{
1243 + char *envp[] = {
1244 + "HOME=/",
1245 + "PATH=/sbin:/bin",
1246 + NULL
1247 + };
1248 +
1249 + char tfb[5];
1250 + char tcons[5];
1251 + unsigned char fb = (int) con2fb_map[vc];
1252 +
1253 + char *argv[] = {
1254 + fbcon_decor_path,
1255 + "2",
1256 + cmd,
1257 + tcons,
1258 + tfb,
1259 + vc_cons[vc].d->vc_decor.theme,
1260 + NULL
1261 + };
1262 +
1263 + snprintf(tfb,5,"%d",fb);
1264 + snprintf(tcons,5,"%d",vc);
1265 +
1266 + return call_usermodehelper(fbcon_decor_path, argv, envp, 1);
1267 +}
1268 +
1269 +/* Disables fbcondecor on a virtual console; called with console sem held. */
1270 +int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw)
1271 +{
1272 + struct fb_info* info;
1273 +
1274 + if (!vc->vc_decor.state)
1275 + return -EINVAL;
1276 +
1277 + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1278 +
1279 + if (info == NULL)
1280 + return -EINVAL;
1281 +
1282 + vc->vc_decor.state = 0;
1283 + vc_resize(vc, info->var.xres / vc->vc_font.width,
1284 + info->var.yres / vc->vc_font.height);
1285 +
1286 + if (fg_console == vc->vc_num && redraw) {
1287 + redraw_screen(vc, 0);
1288 + update_region(vc, vc->vc_origin +
1289 + vc->vc_size_row * vc->vc_top,
1290 + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
1291 + }
1292 +
1293 + printk(KERN_INFO "fbcondecor: switched decor state to 'off' on console %d\n",
1294 + vc->vc_num);
1295 +
1296 + return 0;
1297 +}
1298 +
1299 +/* Enables fbcondecor on a virtual console; called with console sem held. */
1300 +static int fbcon_decor_enable(struct vc_data *vc)
1301 +{
1302 + struct fb_info* info;
1303 +
1304 + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1305 +
1306 + if (vc->vc_decor.twidth == 0 || vc->vc_decor.theight == 0 ||
1307 + info == NULL || vc->vc_decor.state || (!info->bgdecor.data &&
1308 + vc->vc_num == fg_console))
1309 + return -EINVAL;
1310 +
1311 + vc->vc_decor.state = 1;
1312 + vc_resize(vc, vc->vc_decor.twidth / vc->vc_font.width,
1313 + vc->vc_decor.theight / vc->vc_font.height);
1314 +
1315 + if (fg_console == vc->vc_num) {
1316 + redraw_screen(vc, 0);
1317 + update_region(vc, vc->vc_origin +
1318 + vc->vc_size_row * vc->vc_top,
1319 + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
1320 + fbcon_decor_clear_margins(vc, info, 0);
1321 + }
1322 +
1323 + printk(KERN_INFO "fbcondecor: switched decor state to 'on' on console %d\n",
1324 + vc->vc_num);
1325 +
1326 + return 0;
1327 +}
1328 +
1329 +static inline int fbcon_decor_ioctl_dosetstate(struct vc_data *vc, unsigned int state, unsigned char origin)
1330 +{
1331 + int ret;
1332 +
1333 + if (origin == FBCON_DECOR_IO_ORIG_USER)
1334 + acquire_console_sem();
1335 + if (!state)
1336 + ret = fbcon_decor_disable(vc, 1);
1337 + else
1338 + ret = fbcon_decor_enable(vc);
1339 + if (origin == FBCON_DECOR_IO_ORIG_USER)
1340 + release_console_sem();
1341 +
1342 + return ret;
1343 +}
1344 +
1345 +static inline void fbcon_decor_ioctl_dogetstate(struct vc_data *vc, unsigned int *state)
1346 +{
1347 + *state = vc->vc_decor.state;
1348 +}
1349 +
1350 +static int fbcon_decor_ioctl_dosetcfg(struct vc_data *vc, struct vc_decor *cfg, unsigned char origin)
1351 +{
1352 + struct fb_info *info;
1353 + int len;
1354 + char *tmp;
1355 +
1356 + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1357 +
1358 + if (info == NULL || !cfg->twidth || !cfg->theight ||
1359 + cfg->tx + cfg->twidth > info->var.xres ||
1360 + cfg->ty + cfg->theight > info->var.yres)
1361 + return -EINVAL;
1362 +
1363 + len = strlen_user(cfg->theme);
1364 + if (!len || len > FBCON_DECOR_THEME_LEN)
1365 + return -EINVAL;
1366 + tmp = kmalloc(len, GFP_KERNEL);
1367 + if (!tmp)
1368 + return -ENOMEM;
1369 + if (copy_from_user(tmp, (void __user *)cfg->theme, len))
1370 + return -EFAULT;
1371 + cfg->theme = tmp;
1372 + cfg->state = 0;
1373 +
1374 + /* If this ioctl is a response to a request from kernel, the console sem
1375 + * is already held; we also don't need to disable decor because either the
1376 + * new config and background picture will be successfully loaded, and the
1377 + * decor will stay on, or in case of a failure it'll be turned off in fbcon. */
1378 + if (origin == FBCON_DECOR_IO_ORIG_USER) {
1379 + acquire_console_sem();
1380 + if (vc->vc_decor.state)
1381 + fbcon_decor_disable(vc, 1);
1382 + }
1383 +
1384 + if (vc->vc_decor.theme)
1385 + kfree(vc->vc_decor.theme);
1386 +
1387 + vc->vc_decor = *cfg;
1388 +
1389 + if (origin == FBCON_DECOR_IO_ORIG_USER)
1390 + release_console_sem();
1391 +
1392 + printk(KERN_INFO "fbcondecor: console %d using theme '%s'\n",
1393 + vc->vc_num, vc->vc_decor.theme);
1394 + return 0;
1395 +}
1396 +
1397 +static int fbcon_decor_ioctl_dogetcfg(struct vc_data *vc, struct vc_decor *decor)
1398 +{
1399 + char __user *tmp;
1400 +
1401 + tmp = decor->theme;
1402 + *decor = vc->vc_decor;
1403 + decor->theme = tmp;
1404 +
1405 + if (vc->vc_decor.theme) {
1406 + if (copy_to_user(tmp, vc->vc_decor.theme, strlen(vc->vc_decor.theme) + 1))
1407 + return -EFAULT;
1408 + } else
1409 + if (put_user(0, tmp))
1410 + return -EFAULT;
1411 +
1412 + return 0;
1413 +}
1414 +
1415 +static int fbcon_decor_ioctl_dosetpic(struct vc_data *vc, struct fb_image *img, unsigned char origin)
1416 +{
1417 + struct fb_info *info;
1418 + int len;
1419 + u8 *tmp;
1420 +
1421 + if (vc->vc_num != fg_console)
1422 + return -EINVAL;
1423 +
1424 + info = registered_fb[(int) con2fb_map[vc->vc_num]];
1425 +
1426 + if (info == NULL)
1427 + return -EINVAL;
1428 +
1429 + if (img->width != info->var.xres || img->height != info->var.yres) {
1430 + printk(KERN_ERR "fbcondecor: picture dimensions mismatch\n");
1431 + printk(KERN_ERR "%dx%d vs %dx%d\n", img->width, img->height, info->var.xres, info->var.yres);
1432 + return -EINVAL;
1433 + }
1434 +
1435 + if (img->depth != info->var.bits_per_pixel) {
1436 + printk(KERN_ERR "fbcondecor: picture depth mismatch\n");
1437 + return -EINVAL;
1438 + }
1439 +
1440 + if (img->depth == 8) {
1441 + if (!img->cmap.len || !img->cmap.red || !img->cmap.green ||
1442 + !img->cmap.blue)
1443 + return -EINVAL;
1444 +
1445 + tmp = vmalloc(img->cmap.len * 3 * 2);
1446 + if (!tmp)
1447 + return -ENOMEM;
1448 +
1449 + if (copy_from_user(tmp,
1450 + (void __user*)img->cmap.red, (img->cmap.len << 1)) ||
1451 + copy_from_user(tmp + (img->cmap.len << 1),
1452 + (void __user*)img->cmap.green, (img->cmap.len << 1)) ||
1453 + copy_from_user(tmp + (img->cmap.len << 2),
1454 + (void __user*)img->cmap.blue, (img->cmap.len << 1))) {
1455 + vfree(tmp);
1456 + return -EFAULT;
1457 + }
1458 +
1459 + img->cmap.transp = NULL;
1460 + img->cmap.red = (u16*)tmp;
1461 + img->cmap.green = img->cmap.red + img->cmap.len;
1462 + img->cmap.blue = img->cmap.green + img->cmap.len;
1463 + } else {
1464 + img->cmap.red = NULL;
1465 + }
1466 +
1467 + len = ((img->depth + 7) >> 3) * img->width * img->height;
1468 +
1469 + /*
1470 + * Allocate an additional byte so that we never go outside of the
1471 + * buffer boundaries in the rendering functions in a 24 bpp mode.
1472 + */
1473 + tmp = vmalloc(len + 1);
1474 +
1475 + if (!tmp)
1476 + goto out;
1477 +
1478 + if (copy_from_user(tmp, (void __user*)img->data, len))
1479 + goto out;
1480 +
1481 + img->data = tmp;
1482 +
1483 + /* If this ioctl is a response to a request from kernel, the console sem
1484 + * is already held. */
1485 + if (origin == FBCON_DECOR_IO_ORIG_USER)
1486 + acquire_console_sem();
1487 +
1488 + if (info->bgdecor.data)
1489 + vfree((u8*)info->bgdecor.data);
1490 + if (info->bgdecor.cmap.red)
1491 + vfree(info->bgdecor.cmap.red);
1492 +
1493 + info->bgdecor = *img;
1494 +
1495 + if (fbcon_decor_active_vc(vc) && fg_console == vc->vc_num) {
1496 + redraw_screen(vc, 0);
1497 + update_region(vc, vc->vc_origin +
1498 + vc->vc_size_row * vc->vc_top,
1499 + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
1500 + fbcon_decor_clear_margins(vc, info, 0);
1501 + }
1502 +
1503 + if (origin == FBCON_DECOR_IO_ORIG_USER)
1504 + release_console_sem();
1505 +
1506 + return 0;
1507 +
1508 +out: if (img->cmap.red)
1509 + vfree(img->cmap.red);
1510 +
1511 + if (tmp)
1512 + vfree(tmp);
1513 + return -ENOMEM;
1514 +}
1515 +
1516 +static int fbcon_decor_ioctl(struct inode * inode, struct file *filp, u_int cmd,
1517 + u_long arg)
1518 +{
1519 + struct fbcon_decor_iowrapper __user *wrapper = (void __user*) arg;
1520 + struct vc_data *vc = NULL;
1521 + unsigned short vc_num = 0;
1522 + unsigned char origin = 0;
1523 + void __user *data = NULL;
1524 +
1525 + if (!access_ok(VERIFY_READ, wrapper,
1526 + sizeof(struct fbcon_decor_iowrapper)))
1527 + return -EFAULT;
1528 +
1529 + __get_user(vc_num, &wrapper->vc);
1530 + __get_user(origin, &wrapper->origin);
1531 + __get_user(data, &wrapper->data);
1532 +
1533 + if (!vc_cons_allocated(vc_num))
1534 + return -EINVAL;
1535 +
1536 + vc = vc_cons[vc_num].d;
1537 +
1538 + switch (cmd) {
1539 + case FBIOCONDECOR_SETPIC:
1540 + {
1541 + struct fb_image img;
1542 + if (copy_from_user(&img, (struct fb_image __user *)data, sizeof(struct fb_image)))
1543 + return -EFAULT;
1544 +
1545 + return fbcon_decor_ioctl_dosetpic(vc, &img, origin);
1546 + }
1547 + case FBIOCONDECOR_SETCFG:
1548 + {
1549 + struct vc_decor cfg;
1550 + if (copy_from_user(&cfg, (struct vc_decor __user *)data, sizeof(struct vc_decor)))
1551 + return -EFAULT;
1552 +
1553 + return fbcon_decor_ioctl_dosetcfg(vc, &cfg, origin);
1554 + }
1555 + case FBIOCONDECOR_GETCFG:
1556 + {
1557 + int rval;
1558 + struct vc_decor cfg;
1559 +
1560 + if (copy_from_user(&cfg, (struct vc_decor __user *)data, sizeof(struct vc_decor)))
1561 + return -EFAULT;
1562 +
1563 + rval = fbcon_decor_ioctl_dogetcfg(vc, &cfg);
1564 +
1565 + if (copy_to_user(data, &cfg, sizeof(struct vc_decor)))
1566 + return -EFAULT;
1567 + return rval;
1568 + }
1569 + case FBIOCONDECOR_SETSTATE:
1570 + {
1571 + unsigned int state = 0;
1572 + if (get_user(state, (unsigned int __user *)data))
1573 + return -EFAULT;
1574 + return fbcon_decor_ioctl_dosetstate(vc, state, origin);
1575 + }
1576 + case FBIOCONDECOR_GETSTATE:
1577 + {
1578 + unsigned int state = 0;
1579 + fbcon_decor_ioctl_dogetstate(vc, &state);
1580 + return put_user(state, (unsigned int __user *)data);
1581 + }
1582 +
1583 + default:
1584 + return -ENOIOCTLCMD;
1585 + }
1586 +}
1587 +
1588 +#ifdef CONFIG_COMPAT
1589 +
1590 +static long fbcon_decor_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) {
1591 +
1592 + struct fbcon_decor_iowrapper32 __user *wrapper = (void __user *)arg;
1593 + struct vc_data *vc = NULL;
1594 + unsigned short vc_num = 0;
1595 + unsigned char origin = 0;
1596 + compat_uptr_t data_compat = 0;
1597 + void __user *data = NULL;
1598 +
1599 + if (!access_ok(VERIFY_READ, wrapper,
1600 + sizeof(struct fbcon_decor_iowrapper32)))
1601 + return -EFAULT;
1602 +
1603 + __get_user(vc_num, &wrapper->vc);
1604 + __get_user(origin, &wrapper->origin);
1605 + __get_user(data_compat, &wrapper->data);
1606 + data = compat_ptr(data_compat);
1607 +
1608 + if (!vc_cons_allocated(vc_num))
1609 + return -EINVAL;
1610 +
1611 + vc = vc_cons[vc_num].d;
1612 +
1613 + switch (cmd) {
1614 + case FBIOCONDECOR_SETPIC32:
1615 + {
1616 + struct fb_image32 img_compat;
1617 + struct fb_image img;
1618 +
1619 + if (copy_from_user(&img_compat, (struct fb_image32 __user *)data, sizeof(struct fb_image32)))
1620 + return -EFAULT;
1621 +
1622 + fb_image_from_compat(img, img_compat);
1623 +
1624 + return fbcon_decor_ioctl_dosetpic(vc, &img, origin);
1625 + }
1626 +
1627 + case FBIOCONDECOR_SETCFG32:
1628 + {
1629 + struct vc_decor32 cfg_compat;
1630 + struct vc_decor cfg;
1631 +
1632 + if (copy_from_user(&cfg_compat, (struct vc_decor32 __user *)data, sizeof(struct vc_decor32)))
1633 + return -EFAULT;
1634 +
1635 + vc_decor_from_compat(cfg, cfg_compat);
1636 +
1637 + return fbcon_decor_ioctl_dosetcfg(vc, &cfg, origin);
1638 + }
1639 +
1640 + case FBIOCONDECOR_GETCFG32:
1641 + {
1642 + int rval;
1643 + struct vc_decor32 cfg_compat;
1644 + struct vc_decor cfg;
1645 +
1646 + if (copy_from_user(&cfg_compat, (struct vc_decor32 __user *)data, sizeof(struct vc_decor32)))
1647 + return -EFAULT;
1648 + cfg.theme = compat_ptr(cfg_compat.theme);
1649 +
1650 + rval = fbcon_decor_ioctl_dogetcfg(vc, &cfg);
1651 +
1652 + vc_decor_to_compat(cfg_compat, cfg);
1653 +
1654 + if (copy_to_user((struct vc_decor32 __user *)data, &cfg_compat, sizeof(struct vc_decor32)))
1655 + return -EFAULT;
1656 + return rval;
1657 + }
1658 +
1659 + case FBIOCONDECOR_SETSTATE32:
1660 + {
1661 + compat_uint_t state_compat = 0;
1662 + unsigned int state = 0;
1663 +
1664 + if (get_user(state_compat, (compat_uint_t __user *)data))
1665 + return -EFAULT;
1666 +
1667 + state = (unsigned int)state_compat;
1668 +
1669 + return fbcon_decor_ioctl_dosetstate(vc, state, origin);
1670 + }
1671 +
1672 + case FBIOCONDECOR_GETSTATE32:
1673 + {
1674 + compat_uint_t state_compat = 0;
1675 + unsigned int state = 0;
1676 +
1677 + fbcon_decor_ioctl_dogetstate(vc, &state);
1678 + state_compat = (compat_uint_t)state;
1679 +
1680 + return put_user(state_compat, (compat_uint_t __user *)data);
1681 + }
1682 +
1683 + default:
1684 + return -ENOIOCTLCMD;
1685 + }
1686 +}
1687 +#else
1688 + #define fbcon_decor_compat_ioctl NULL
1689 +#endif
1690 +
1691 +static struct file_operations fbcon_decor_ops = {
1692 + .owner = THIS_MODULE,
1693 + .ioctl = fbcon_decor_ioctl,
1694 + .compat_ioctl = fbcon_decor_compat_ioctl
1695 +};
1696 +
1697 +static struct miscdevice fbcon_decor_dev = {
1698 + .minor = MISC_DYNAMIC_MINOR,
1699 + .name = "fbcondecor",
1700 + .fops = &fbcon_decor_ops
1701 +};
1702 +
1703 +void fbcon_decor_reset(void)
1704 +{
1705 + struct fb_info *info;
1706 + struct vc_data *vc;
1707 + int i;
1708 +
1709 + vc = vc_cons[0].d;
1710 + info = registered_fb[0];
1711 +
1712 + for (i = 0; i < num_registered_fb; i++) {
1713 + registered_fb[i]->bgdecor.data = NULL;
1714 + registered_fb[i]->bgdecor.cmap.red = NULL;
1715 + }
1716 +
1717 + for (i = 0; i < MAX_NR_CONSOLES && vc_cons[i].d; i++) {
1718 + vc_cons[i].d->vc_decor.state = vc_cons[i].d->vc_decor.twidth =
1719 + vc_cons[i].d->vc_decor.theight = 0;
1720 + vc_cons[i].d->vc_decor.theme = NULL;
1721 + }
1722 +
1723 + return;
1724 +}
1725 +
1726 +int fbcon_decor_init(void)
1727 +{
1728 + int i;
1729 +
1730 + fbcon_decor_reset();
1731 +
1732 + if (initialized)
1733 + return 0;
1734 +
1735 + i = misc_register(&fbcon_decor_dev);
1736 + if (i) {
1737 + printk(KERN_ERR "fbcondecor: failed to register device\n");
1738 + return i;
1739 + }
1740 +
1741 + fbcon_decor_call_helper("init", 0);
1742 + initialized = 1;
1743 + return 0;
1744 +}
1745 +
1746 +int fbcon_decor_exit(void)
1747 +{
1748 + fbcon_decor_reset();
1749 + return 0;
1750 +}
1751 +
1752 +EXPORT_SYMBOL(fbcon_decor_path);
1753 diff --git a/drivers/video/console/fbcondecor.h b/drivers/video/console/fbcondecor.h
1754 new file mode 100644
1755 index 0000000..1d852dd
1756 --- /dev/null
1757 +++ b/drivers/video/console/fbcondecor.h
1758 @@ -0,0 +1,78 @@
1759 +/*
1760 + * linux/drivers/video/console/fbcondecor.h -- Framebuffer Console Decoration headers
1761 + *
1762 + * Copyright (C) 2004 Michal Januszewski <spock@gentoo.org>
1763 + *
1764 + */
1765 +
1766 +#ifndef __FBCON_DECOR_H
1767 +#define __FBCON_DECOR_H
1768 +
1769 +#ifndef _LINUX_FB_H
1770 +#include <linux/fb.h>
1771 +#endif
1772 +
1773 +/* This is needed for vc_cons in fbcmap.c */
1774 +#include <linux/vt_kern.h>
1775 +
1776 +struct fb_cursor;
1777 +struct fb_info;
1778 +struct vc_data;
1779 +
1780 +#ifdef CONFIG_FB_CON_DECOR
1781 +/* fbcondecor.c */
1782 +int fbcon_decor_init(void);
1783 +int fbcon_decor_exit(void);
1784 +int fbcon_decor_call_helper(char* cmd, unsigned short cons);
1785 +int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw);
1786 +
1787 +/* cfbcondecor.c */
1788 +void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx);
1789 +void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor);
1790 +void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width);
1791 +void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only);
1792 +void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank);
1793 +void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width);
1794 +void fbcon_decor_copy(u8 *dst, u8 *src, int height, int width, int linebytes, int srclinesbytes, int bpp);
1795 +void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc);
1796 +
1797 +/* vt.c */
1798 +void acquire_console_sem(void);
1799 +void release_console_sem(void);
1800 +void do_unblank_screen(int entering_gfx);
1801 +
1802 +/* struct vc_data *y */
1803 +#define fbcon_decor_active_vc(y) (y->vc_decor.state && y->vc_decor.theme)
1804 +
1805 +/* struct fb_info *x, struct vc_data *y */
1806 +#define fbcon_decor_active_nores(x,y) (x->bgdecor.data && fbcon_decor_active_vc(y))
1807 +
1808 +/* struct fb_info *x, struct vc_data *y */
1809 +#define fbcon_decor_active(x,y) (fbcon_decor_active_nores(x,y) && \
1810 + x->bgdecor.width == x->var.xres && \
1811 + x->bgdecor.height == x->var.yres && \
1812 + x->bgdecor.depth == x->var.bits_per_pixel)
1813 +
1814 +
1815 +#else /* CONFIG_FB_CON_DECOR */
1816 +
1817 +static inline void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx) {}
1818 +static inline void fbcon_decor_putc(struct vc_data *vc, struct fb_info *info, int c, int ypos, int xpos) {}
1819 +static inline void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor) {}
1820 +static inline void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width) {}
1821 +static inline void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only) {}
1822 +static inline void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank) {}
1823 +static inline void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width) {}
1824 +static inline void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc) {}
1825 +static inline int fbcon_decor_call_helper(char* cmd, unsigned short cons) { return 0; }
1826 +static inline int fbcon_decor_init(void) { return 0; }
1827 +static inline int fbcon_decor_exit(void) { return 0; }
1828 +static inline int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw) { return 0; }
1829 +
1830 +#define fbcon_decor_active_vc(y) (0)
1831 +#define fbcon_decor_active_nores(x,y) (0)
1832 +#define fbcon_decor_active(x,y) (0)
1833 +
1834 +#endif /* CONFIG_FB_CON_DECOR */
1835 +
1836 +#endif /* __FBCON_DECOR_H */
1837 diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
1838 index f53b9f1..467f921 100644
1839 --- a/drivers/video/fbcmap.c
1840 +++ b/drivers/video/fbcmap.c
1841 @@ -17,6 +17,8 @@
1842 #include <linux/slab.h>
1843 #include <linux/uaccess.h>
1844
1845 +#include "console/fbcondecor.h"
1846 +
1847 static u16 red2[] __read_mostly = {
1848 0x0000, 0xaaaa
1849 };
1850 @@ -234,14 +236,17 @@ int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *info)
1851 if (transp)
1852 htransp = *transp++;
1853 if (info->fbops->fb_setcolreg(start++,
1854 - hred, hgreen, hblue,
1855 + hred, hgreen, hblue,
1856 htransp, info))
1857 break;
1858 }
1859 }
1860 - if (rc == 0)
1861 + if (rc == 0) {
1862 fb_copy_cmap(cmap, &info->cmap);
1863 -
1864 + if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
1865 + info->fix.visual == FB_VISUAL_DIRECTCOLOR)
1866 + fbcon_decor_fix_pseudo_pal(info, vc_cons[fg_console].d);
1867 + }
1868 return rc;
1869 }
1870
1871 diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
1872 index 99bbd28..893bca4 100644
1873 --- a/drivers/video/fbmem.c
1874 +++ b/drivers/video/fbmem.c
1875 @@ -1184,15 +1184,6 @@ struct fb_fix_screeninfo32 {
1876 u16 reserved[3];
1877 };
1878
1879 -struct fb_cmap32 {
1880 - u32 start;
1881 - u32 len;
1882 - compat_caddr_t red;
1883 - compat_caddr_t green;
1884 - compat_caddr_t blue;
1885 - compat_caddr_t transp;
1886 -};
1887 -
1888 static int fb_getput_cmap(struct fb_info *info, unsigned int cmd,
1889 unsigned long arg)
1890 {
1891 diff --git a/include/linux/console_decor.h b/include/linux/console_decor.h
1892 new file mode 100644
1893 index 0000000..04b8d80
1894 --- /dev/null
1895 +++ b/include/linux/console_decor.h
1896 @@ -0,0 +1,46 @@
1897 +#ifndef _LINUX_CONSOLE_DECOR_H_
1898 +#define _LINUX_CONSOLE_DECOR_H_ 1
1899 +
1900 +/* A structure used by the framebuffer console decorations (drivers/video/console/fbcondecor.c) */
1901 +struct vc_decor {
1902 + __u8 bg_color; /* The color that is to be treated as transparent */
1903 + __u8 state; /* Current decor state: 0 = off, 1 = on */
1904 + __u16 tx, ty; /* Top left corner coordinates of the text field */
1905 + __u16 twidth, theight; /* Width and height of the text field */
1906 + char* theme;
1907 +};
1908 +
1909 +#ifdef __KERNEL__
1910 +#ifdef CONFIG_COMPAT
1911 +#include <linux/compat.h>
1912 +
1913 +struct vc_decor32 {
1914 + __u8 bg_color; /* The color that is to be treated as transparent */
1915 + __u8 state; /* Current decor state: 0 = off, 1 = on */
1916 + __u16 tx, ty; /* Top left corner coordinates of the text field */
1917 + __u16 twidth, theight; /* Width and height of the text field */
1918 + compat_uptr_t theme;
1919 +};
1920 +
1921 +#define vc_decor_from_compat(to, from) \
1922 + (to).bg_color = (from).bg_color; \
1923 + (to).state = (from).state; \
1924 + (to).tx = (from).tx; \
1925 + (to).ty = (from).ty; \
1926 + (to).twidth = (from).twidth; \
1927 + (to).theight = (from).theight; \
1928 + (to).theme = compat_ptr((from).theme)
1929 +
1930 +#define vc_decor_to_compat(to, from) \
1931 + (to).bg_color = (from).bg_color; \
1932 + (to).state = (from).state; \
1933 + (to).tx = (from).tx; \
1934 + (to).ty = (from).ty; \
1935 + (to).twidth = (from).twidth; \
1936 + (to).theight = (from).theight; \
1937 + (to).theme = ptr_to_compat((from).theme)
1938 +
1939 +#endif /* CONFIG_COMPAT */
1940 +#endif /* __KERNEL__ */
1941 +
1942 +#endif
1943 diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
1944 index 38fe59d..8e4058b 100644
1945 --- a/include/linux/console_struct.h
1946 +++ b/include/linux/console_struct.h
1947 @@ -19,6 +19,7 @@
1948 struct vt_struct;
1949
1950 #define NPAR 16
1951 +#include <linux/console_decor.h>
1952
1953 struct vc_data {
1954 unsigned short vc_num; /* Console number */
1955 @@ -105,6 +106,8 @@ struct vc_data {
1956 struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
1957 unsigned long vc_uni_pagedir;
1958 unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
1959 +
1960 + struct vc_decor vc_decor;
1961 /* additional information is in vt_kern.h */
1962 };
1963
1964 diff --git a/include/linux/fb.h b/include/linux/fb.h
1965 index a34bdf5..5f86b0f 100644
1966 --- a/include/linux/fb.h
1967 +++ b/include/linux/fb.h
1968 @@ -3,13 +3,31 @@
1969
1970 #include <linux/types.h>
1971 #include <linux/i2c.h>
1972 -
1973 struct dentry;
1974
1975 /* Definitions of frame buffers */
1976
1977 #define FB_MAX 32 /* sufficient for now */
1978
1979 +struct fbcon_decor_iowrapper
1980 +{
1981 + unsigned short vc; /* Virtual console */
1982 + unsigned char origin; /* Point of origin of the request */
1983 + void *data;
1984 +};
1985 +
1986 +#ifdef __KERNEL__
1987 +#ifdef CONFIG_COMPAT
1988 +#include <linux/compat.h>
1989 +struct fbcon_decor_iowrapper32
1990 +{
1991 + unsigned short vc; /* Virtual console */
1992 + unsigned char origin; /* Point of origin of the request */
1993 + compat_uptr_t data;
1994 +};
1995 +#endif /* CONFIG_COMPAT */
1996 +#endif /* __KERNEL__ */
1997 +
1998 /* ioctls
1999 0x46 is 'F' */
2000 #define FBIOGET_VSCREENINFO 0x4600
2001 @@ -37,7 +55,24 @@ struct dentry;
2002 #define FBIOGET_HWCINFO 0x4616
2003 #define FBIOPUT_MODEINFO 0x4617
2004 #define FBIOGET_DISPINFO 0x4618
2005 +#define FBIOCONDECOR_SETCFG _IOWR('F', 0x19, struct fbcon_decor_iowrapper)
2006 +#define FBIOCONDECOR_GETCFG _IOR('F', 0x1A, struct fbcon_decor_iowrapper)
2007 +#define FBIOCONDECOR_SETSTATE _IOWR('F', 0x1B, struct fbcon_decor_iowrapper)
2008 +#define FBIOCONDECOR_GETSTATE _IOR('F', 0x1C, struct fbcon_decor_iowrapper)
2009 +#define FBIOCONDECOR_SETPIC _IOWR('F', 0x1D, struct fbcon_decor_iowrapper)
2010 +#ifdef __KERNEL__
2011 +#ifdef CONFIG_COMPAT
2012 +#define FBIOCONDECOR_SETCFG32 _IOWR('F', 0x19, struct fbcon_decor_iowrapper32)
2013 +#define FBIOCONDECOR_GETCFG32 _IOR('F', 0x1A, struct fbcon_decor_iowrapper32)
2014 +#define FBIOCONDECOR_SETSTATE32 _IOWR('F', 0x1B, struct fbcon_decor_iowrapper32)
2015 +#define FBIOCONDECOR_GETSTATE32 _IOR('F', 0x1C, struct fbcon_decor_iowrapper32)
2016 +#define FBIOCONDECOR_SETPIC32 _IOWR('F', 0x1D, struct fbcon_decor_iowrapper32)
2017 +#endif /* CONFIG_COMPAT */
2018 +#endif /* __KERNEL__ */
2019
2020 +#define FBCON_DECOR_THEME_LEN 128 /* Maximum lenght of a theme name */
2021 +#define FBCON_DECOR_IO_ORIG_KERNEL 0 /* Kernel ioctl origin */
2022 +#define FBCON_DECOR_IO_ORIG_USER 1 /* User ioctl origin */
2023
2024 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
2025 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
2026 @@ -282,6 +317,28 @@ struct fb_cmap {
2027 __u16 *transp; /* transparency, can be NULL */
2028 };
2029
2030 +#ifdef __KERNEL__
2031 +#ifdef CONFIG_COMPAT
2032 +struct fb_cmap32 {
2033 + __u32 start;
2034 + __u32 len; /* Number of entries */
2035 + compat_uptr_t red; /* Red values */
2036 + compat_uptr_t green;
2037 + compat_uptr_t blue;
2038 + compat_uptr_t transp; /* transparency, can be NULL */
2039 +};
2040 +
2041 +#define fb_cmap_from_compat(to, from) \
2042 + (to).start = (from).start; \
2043 + (to).len = (from).len; \
2044 + (to).red = compat_ptr((from).red); \
2045 + (to).green = compat_ptr((from).green); \
2046 + (to).blue = compat_ptr((from).blue); \
2047 + (to).transp = compat_ptr((from).transp)
2048 +
2049 +#endif /* CONFIG_COMPAT */
2050 +#endif /* __KERNEL__ */
2051 +
2052 struct fb_con2fbmap {
2053 __u32 console;
2054 __u32 framebuffer;
2055 @@ -363,6 +420,34 @@ struct fb_image {
2056 struct fb_cmap cmap; /* color map info */
2057 };
2058
2059 +#ifdef __KERNEL__
2060 +#ifdef CONFIG_COMPAT
2061 +struct fb_image32 {
2062 + __u32 dx; /* Where to place image */
2063 + __u32 dy;
2064 + __u32 width; /* Size of image */
2065 + __u32 height;
2066 + __u32 fg_color; /* Only used when a mono bitmap */
2067 + __u32 bg_color;
2068 + __u8 depth; /* Depth of the image */
2069 + const compat_uptr_t data; /* Pointer to image data */
2070 + struct fb_cmap32 cmap; /* color map info */
2071 +};
2072 +
2073 +#define fb_image_from_compat(to, from) \
2074 + (to).dx = (from).dx; \
2075 + (to).dy = (from).dy; \
2076 + (to).width = (from).width; \
2077 + (to).height = (from).height; \
2078 + (to).fg_color = (from).fg_color; \
2079 + (to).bg_color = (from).bg_color; \
2080 + (to).depth = (from).depth; \
2081 + (to).data = compat_ptr((from).data); \
2082 + fb_cmap_from_compat((to).cmap, (from).cmap)
2083 +
2084 +#endif /* CONFIG_COMPAT */
2085 +#endif /* __KERNEL__ */
2086 +
2087 /*
2088 * hardware cursor control
2089 */
2090 @@ -860,6 +945,9 @@ struct fb_info {
2091 #define FBINFO_STATE_SUSPENDED 1
2092 u32 state; /* Hardware state i.e suspend */
2093 void *fbcon_par; /* fbcon use-only private area */
2094 +
2095 + struct fb_image bgdecor;
2096 +
2097 /* From here on everything is device dependent */
2098 void *par;
2099 /* we need the PCI or similiar aperture base/size not
2100 diff --git a/kernel/sysctl.c b/kernel/sysctl.c
2101 index 0d949c5..f5130ec 100644
2102 --- a/kernel/sysctl.c
2103 +++ b/kernel/sysctl.c
2104 @@ -124,6 +124,9 @@ static int ngroups_max = NGROUPS_MAX;
2105 extern char modprobe_path[];
2106 extern int modules_disabled;
2107 #endif
2108 +#ifdef CONFIG_FB_CON_DECOR
2109 +extern char fbcon_decor_path[];
2110 +#endif
2111 #ifdef CONFIG_CHR_DEV_SG
2112 extern int sg_big_buff;
2113 #endif
2114 @@ -236,6 +239,18 @@ static struct ctl_table root_table[] = {
2115 .mode = 0555,
2116 .child = dev_table,
2117 },
2118 +#ifdef CONFIG_FB_CON_DECOR
2119 + {
2120 + .ctl_name = CTL_UNNUMBERED,
2121 + .procname = "fbcondecor",
2122 + .data = &fbcon_decor_path,
2123 + .maxlen = KMOD_PATH_LEN,
2124 + .mode = 0644,
2125 + .proc_handler = &proc_dostring,
2126 + .strategy = &sysctl_string,
2127 + },
2128 +#endif
2129 +
2130 /*
2131 * NOTE: do not add new entries to this table unless you have read
2132 * Documentation/sysctl/ctl_unnumbered.txt