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- diff -Nur linux-3.18.9.orig/Documentation/fb/00-INDEX linux-3.18.9/Documentation/fb/00-INDEX
- --- linux-3.18.9.orig/Documentation/fb/00-INDEX 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/Documentation/fb/00-INDEX 2015-03-15 14:34:13.068143682 -0500
- @@ -23,6 +23,8 @@
- - info on the driver for EP93xx LCD controller.
- fbcon.txt
- - intro to and usage guide for the framebuffer console (fbcon).
- +fbcondecor.txt
- + - info on the Framebuffer Console Decoration
- framebuffer.txt
- - introduction to frame buffer devices.
- gxfb.txt
- diff -Nur linux-3.18.9.orig/Documentation/fb/fbcondecor.txt linux-3.18.9/Documentation/fb/fbcondecor.txt
- --- linux-3.18.9.orig/Documentation/fb/fbcondecor.txt 1969-12-31 18:00:00.000000000 -0600
- +++ linux-3.18.9/Documentation/fb/fbcondecor.txt 2015-03-15 14:34:13.068143682 -0500
- @@ -0,0 +1,207 @@
- +What is it?
- +-----------
- +
- +The framebuffer decorations are a kernel feature which allows displaying a
- +background picture on selected consoles.
- +
- +What do I need to get it to work?
- +---------------------------------
- +
- +To get fbcondecor up-and-running you will have to:
- + 1) get a copy of splashutils [1] or a similar program
- + 2) get some fbcondecor themes
- + 3) build the kernel helper program
- + 4) build your kernel with the FB_CON_DECOR option enabled.
- +
- +To get fbcondecor operational right after fbcon initialization is finished, you
- +will have to include a theme and the kernel helper into your initramfs image.
- +Please refer to splashutils documentation for instructions on how to do that.
- +
- +[1] The splashutils package can be downloaded from:
- + http://github.com/alanhaggai/fbsplash
- +
- +The userspace helper
- +--------------------
- +
- +The userspace fbcondecor helper (by default: /sbin/fbcondecor_helper) is called by the
- +kernel whenever an important event occurs and the kernel needs some kind of
- +job to be carried out. Important events include console switches and video
- +mode switches (the kernel requests background images and configuration
- +parameters for the current console). The fbcondecor helper must be accessible at
- +all times. If it's not, fbcondecor will be switched off automatically.
- +
- +It's possible to set path to the fbcondecor helper by writing it to
- +/proc/sys/kernel/fbcondecor.
- +
- +*****************************************************************************
- +
- +The information below is mostly technical stuff. There's probably no need to
- +read it unless you plan to develop a userspace helper.
- +
- +The fbcondecor protocol
- +-----------------------
- +
- +The fbcondecor protocol defines a communication interface between the kernel and
- +the userspace fbcondecor helper.
- +
- +The kernel side is responsible for:
- +
- + * rendering console text, using an image as a background (instead of a
- + standard solid color fbcon uses),
- + * accepting commands from the user via ioctls on the fbcondecor device,
- + * calling the userspace helper to set things up as soon as the fb subsystem
- + is initialized.
- +
- +The userspace helper is responsible for everything else, including parsing
- +configuration files, decompressing the image files whenever the kernel needs
- +it, and communicating with the kernel if necessary.
- +
- +The fbcondecor protocol specifies how communication is done in both ways:
- +kernel->userspace and userspace->helper.
- +
- +Kernel -> Userspace
- +-------------------
- +
- +The kernel communicates with the userspace helper by calling it and specifying
- +the task to be done in a series of arguments.
- +
- +The arguments follow the pattern:
- +<fbcondecor protocol version> <command> <parameters>
- +
- +All commands defined in fbcondecor protocol v2 have the following parameters:
- + virtual console
- + framebuffer number
- + theme
- +
- +Fbcondecor protocol v1 specified an additional 'fbcondecor mode' after the
- +framebuffer number. Fbcondecor protocol v1 is deprecated and should not be used.
- +
- +Fbcondecor protocol v2 specifies the following commands:
- +
- +getpic
- +------
- + The kernel issues this command to request image data. It's up to the
- + userspace helper to find a background image appropriate for the specified
- + theme and the current resolution. The userspace helper should respond by
- + issuing the FBIOCONDECOR_SETPIC ioctl.
- +
- +init
- +----
- + The kernel issues this command after the fbcondecor device is created and
- + the fbcondecor interface is initialized. Upon receiving 'init', the userspace
- + helper should parse the kernel command line (/proc/cmdline) or otherwise
- + decide whether fbcondecor is to be activated.
- +
- + To activate fbcondecor on the first console the helper should issue the
- + FBIOCONDECOR_SETCFG, FBIOCONDECOR_SETPIC and FBIOCONDECOR_SETSTATE commands,
- + in the above-mentioned order.
- +
- + When the userspace helper is called in an early phase of the boot process
- + (right after the initialization of fbcon), no filesystems will be mounted.
- + The helper program should mount sysfs and then create the appropriate
- + framebuffer, fbcondecor and tty0 devices (if they don't already exist) to get
- + current display settings and to be able to communicate with the kernel side.
- + It should probably also mount the procfs to be able to parse the kernel
- + command line parameters.
- +
- + Note that the console sem is not held when the kernel calls fbcondecor_helper
- + with the 'init' command. The fbcondecor helper should perform all ioctls with
- + origin set to FBCON_DECOR_IO_ORIG_USER.
- +
- +modechange
- +----------
- + The kernel issues this command on a mode change. The helper's response should
- + be similar to the response to the 'init' command. Note that this time the
- + console sem is held and all ioctls must be performed with origin set to
- + FBCON_DECOR_IO_ORIG_KERNEL.
- +
- +
- +Userspace -> Kernel
- +-------------------
- +
- +Userspace programs can communicate with fbcondecor via ioctls on the
- +fbcondecor device. These ioctls are to be used by both the userspace helper
- +(called only by the kernel) and userspace configuration tools (run by the users).
- +
- +The fbcondecor helper should set the origin field to FBCON_DECOR_IO_ORIG_KERNEL
- +when doing the appropriate ioctls. All userspace configuration tools should
- +use FBCON_DECOR_IO_ORIG_USER. Failure to set the appropriate value in the origin
- +field when performing ioctls from the kernel helper will most likely result
- +in a console deadlock.
- +
- +FBCON_DECOR_IO_ORIG_KERNEL instructs fbcondecor not to try to acquire the console
- +semaphore. Not surprisingly, FBCON_DECOR_IO_ORIG_USER instructs it to acquire
- +the console sem.
- +
- +The framebuffer console decoration provides the following ioctls (all defined in
- +linux/fb.h):
- +
- +FBIOCONDECOR_SETPIC
- +description: loads a background picture for a virtual console
- +argument: struct fbcon_decor_iowrapper*; data: struct fb_image*
- +notes:
- +If called for consoles other than the current foreground one, the picture data
- +will be ignored.
- +
- +If the current virtual console is running in a 8-bpp mode, the cmap substruct
- +of fb_image has to be filled appropriately: start should be set to 16 (first
- +16 colors are reserved for fbcon), len to a value <= 240 and red, green and
- +blue should point to valid cmap data. The transp field is ingored. The fields
- +dx, dy, bg_color, fg_color in fb_image are ignored as well.
- +
- +FBIOCONDECOR_SETCFG
- +description: sets the fbcondecor config for a virtual console
- +argument: struct fbcon_decor_iowrapper*; data: struct vc_decor*
- +notes: The structure has to be filled with valid data.
- +
- +FBIOCONDECOR_GETCFG
- +description: gets the fbcondecor config for a virtual console
- +argument: struct fbcon_decor_iowrapper*; data: struct vc_decor*
- +
- +FBIOCONDECOR_SETSTATE
- +description: sets the fbcondecor state for a virtual console
- +argument: struct fbcon_decor_iowrapper*; data: unsigned int*
- + values: 0 = disabled, 1 = enabled.
- +
- +FBIOCONDECOR_GETSTATE
- +description: gets the fbcondecor state for a virtual console
- +argument: struct fbcon_decor_iowrapper*; data: unsigned int*
- + values: as in FBIOCONDECOR_SETSTATE
- +
- +Info on used structures:
- +
- +Definition of struct vc_decor can be found in linux/console_decor.h. It's
- +heavily commented. Note that the 'theme' field should point to a string
- +no longer than FBCON_DECOR_THEME_LEN. When FBIOCONDECOR_GETCFG call is
- +performed, the theme field should point to a char buffer of length
- +FBCON_DECOR_THEME_LEN.
- +
- +Definition of struct fbcon_decor_iowrapper can be found in linux/fb.h.
- +The fields in this struct have the following meaning:
- +
- +vc:
- +Virtual console number.
- +
- +origin:
- +Specifies if the ioctl is performed as a response to a kernel request. The
- +fbcondecor helper should set this field to FBCON_DECOR_IO_ORIG_KERNEL, userspace
- +programs should set it to FBCON_DECOR_IO_ORIG_USER. This field is necessary to
- +avoid console semaphore deadlocks.
- +
- +data:
- +Pointer to a data structure appropriate for the performed ioctl. Type of
- +the data struct is specified in the ioctls description.
- +
- +*****************************************************************************
- +
- +Credit
- +------
- +
- +Original 'bootsplash' project & implementation by:
- + Volker Poplawski <volker@poplawski.de>, Stefan Reinauer <stepan@suse.de>,
- + Steffen Winterfeldt <snwint@suse.de>, Michael Schroeder <mls@suse.de>,
- + Ken Wimer <wimer@suse.de>.
- +
- +Fbcondecor, fbcondecor protocol design, current implementation & docs by:
- + Michal Januszewski <michalj+fbcondecor@gmail.com>
- +
- diff -Nur linux-3.18.9.orig/drivers/Makefile linux-3.18.9/drivers/Makefile
- --- linux-3.18.9.orig/drivers/Makefile 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/Makefile 2015-03-15 14:34:13.068143682 -0500
- @@ -17,6 +17,10 @@
- obj-$(CONFIG_PCI) += pci/
- obj-$(CONFIG_PARISC) += parisc/
- obj-$(CONFIG_RAPIDIO) += rapidio/
- +# tty/ comes before char/ so that the VT console is the boot-time
- +# default.
- +obj-y += tty/
- +obj-y += char/
- obj-y += video/
- obj-y += idle/
-
- @@ -45,11 +49,6 @@
- # reset controllers early, since gpu drivers might rely on them to initialize
- obj-$(CONFIG_RESET_CONTROLLER) += reset/
-
- -# tty/ comes before char/ so that the VT console is the boot-time
- -# default.
- -obj-y += tty/
- -obj-y += char/
- -
- # gpu/ comes after char for AGP vs DRM startup
- obj-y += gpu/
-
- diff -Nur linux-3.18.9.orig/drivers/video/console/bitblit.c linux-3.18.9/drivers/video/console/bitblit.c
- --- linux-3.18.9.orig/drivers/video/console/bitblit.c 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/bitblit.c 2015-03-15 14:34:13.068143682 -0500
- @@ -18,6 +18,7 @@
- #include <linux/console.h>
- #include <asm/types.h>
- #include "fbcon.h"
- +#include "fbcondecor.h"
-
- /*
- * Accelerated handlers.
- @@ -55,6 +56,13 @@
- area.height = height * vc->vc_font.height;
- area.width = width * vc->vc_font.width;
-
- + if (fbcon_decor_active(info, vc)) {
- + area.sx += vc->vc_decor.tx;
- + area.sy += vc->vc_decor.ty;
- + area.dx += vc->vc_decor.tx;
- + area.dy += vc->vc_decor.ty;
- + }
- +
- info->fbops->fb_copyarea(info, &area);
- }
-
- @@ -379,11 +387,15 @@
- cursor.image.depth = 1;
- cursor.rop = ROP_XOR;
-
- - if (info->fbops->fb_cursor)
- - err = info->fbops->fb_cursor(info, &cursor);
- + if (fbcon_decor_active(info, vc)) {
- + fbcon_decor_cursor(info, &cursor);
- + } else {
- + if (info->fbops->fb_cursor)
- + err = info->fbops->fb_cursor(info, &cursor);
-
- - if (err)
- - soft_cursor(info, &cursor);
- + if (err)
- + soft_cursor(info, &cursor);
- + }
-
- ops->cursor_reset = 0;
- }
- diff -Nur linux-3.18.9.orig/drivers/video/console/cfbcondecor.c linux-3.18.9/drivers/video/console/cfbcondecor.c
- --- linux-3.18.9.orig/drivers/video/console/cfbcondecor.c 1969-12-31 18:00:00.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/cfbcondecor.c 2015-03-15 14:34:13.072143681 -0500
- @@ -0,0 +1,471 @@
- +/*
- + * linux/drivers/video/cfbcon_decor.c -- Framebuffer decor render functions
- + *
- + * Copyright (C) 2004 Michal Januszewski <michalj+fbcondecor@gmail.com>
- + *
- + * Code based upon "Bootdecor" (C) 2001-2003
- + * Volker Poplawski <volker@poplawski.de>,
- + * Stefan Reinauer <stepan@suse.de>,
- + * Steffen Winterfeldt <snwint@suse.de>,
- + * Michael Schroeder <mls@suse.de>,
- + * Ken Wimer <wimer@suse.de>.
- + *
- + * This file is subject to the terms and conditions of the GNU General Public
- + * License. See the file COPYING in the main directory of this archive for
- + * more details.
- + */
- +#include <linux/module.h>
- +#include <linux/types.h>
- +#include <linux/fb.h>
- +#include <linux/selection.h>
- +#include <linux/slab.h>
- +#include <linux/vt_kern.h>
- +#include <asm/irq.h>
- +
- +#include "fbcon.h"
- +#include "fbcondecor.h"
- +
- +#define parse_pixel(shift,bpp,type) \
- + do { \
- + if (d & (0x80 >> (shift))) \
- + dd2[(shift)] = fgx; \
- + else \
- + dd2[(shift)] = transparent ? *(type *)decor_src : bgx; \
- + decor_src += (bpp); \
- + } while (0) \
- +
- +extern int get_color(struct vc_data *vc, struct fb_info *info,
- + u16 c, int is_fg);
- +
- +void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc)
- +{
- + int i, j, k;
- + int minlen = min(min(info->var.red.length, info->var.green.length),
- + info->var.blue.length);
- + u32 col;
- +
- + for (j = i = 0; i < 16; i++) {
- + k = color_table[i];
- +
- + col = ((vc->vc_palette[j++] >> (8-minlen))
- + << info->var.red.offset);
- + col |= ((vc->vc_palette[j++] >> (8-minlen))
- + << info->var.green.offset);
- + col |= ((vc->vc_palette[j++] >> (8-minlen))
- + << info->var.blue.offset);
- + ((u32 *)info->pseudo_palette)[k] = col;
- + }
- +}
- +
- +void fbcon_decor_renderc(struct fb_info *info, int ypos, int xpos, int height,
- + int width, u8* src, u32 fgx, u32 bgx, u8 transparent)
- +{
- + unsigned int x, y;
- + u32 dd;
- + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
- + unsigned int d = ypos * info->fix.line_length + xpos * bytespp;
- + unsigned int ds = (ypos * info->var.xres + xpos) * bytespp;
- + u16 dd2[4];
- +
- + u8* decor_src = (u8 *)(info->bgdecor.data + ds);
- + u8* dst = (u8 *)(info->screen_base + d);
- +
- + if ((ypos + height) > info->var.yres || (xpos + width) > info->var.xres)
- + return;
- +
- + for (y = 0; y < height; y++) {
- + switch (info->var.bits_per_pixel) {
- +
- + case 32:
- + for (x = 0; x < width; x++) {
- +
- + if ((x & 7) == 0)
- + d = *src++;
- + if (d & 0x80)
- + dd = fgx;
- + else
- + dd = transparent ?
- + *(u32 *)decor_src : bgx;
- +
- + d <<= 1;
- + decor_src += 4;
- + fb_writel(dd, dst);
- + dst += 4;
- + }
- + break;
- + case 24:
- + for (x = 0; x < width; x++) {
- +
- + if ((x & 7) == 0)
- + d = *src++;
- + if (d & 0x80)
- + dd = fgx;
- + else
- + dd = transparent ?
- + (*(u32 *)decor_src & 0xffffff) : bgx;
- +
- + d <<= 1;
- + decor_src += 3;
- +#ifdef __LITTLE_ENDIAN
- + fb_writew(dd & 0xffff, dst);
- + dst += 2;
- + fb_writeb((dd >> 16), dst);
- +#else
- + fb_writew(dd >> 8, dst);
- + dst += 2;
- + fb_writeb(dd & 0xff, dst);
- +#endif
- + dst++;
- + }
- + break;
- + case 16:
- + for (x = 0; x < width; x += 2) {
- + if ((x & 7) == 0)
- + d = *src++;
- +
- + parse_pixel(0, 2, u16);
- + parse_pixel(1, 2, u16);
- +#ifdef __LITTLE_ENDIAN
- + dd = dd2[0] | (dd2[1] << 16);
- +#else
- + dd = dd2[1] | (dd2[0] << 16);
- +#endif
- + d <<= 2;
- + fb_writel(dd, dst);
- + dst += 4;
- + }
- + break;
- +
- + case 8:
- + for (x = 0; x < width; x += 4) {
- + if ((x & 7) == 0)
- + d = *src++;
- +
- + parse_pixel(0, 1, u8);
- + parse_pixel(1, 1, u8);
- + parse_pixel(2, 1, u8);
- + parse_pixel(3, 1, u8);
- +
- +#ifdef __LITTLE_ENDIAN
- + dd = dd2[0] | (dd2[1] << 8) | (dd2[2] << 16) | (dd2[3] << 24);
- +#else
- + dd = dd2[3] | (dd2[2] << 8) | (dd2[1] << 16) | (dd2[0] << 24);
- +#endif
- + d <<= 4;
- + fb_writel(dd, dst);
- + dst += 4;
- + }
- + }
- +
- + dst += info->fix.line_length - width * bytespp;
- + decor_src += (info->var.xres - width) * bytespp;
- + }
- +}
- +
- +#define cc2cx(a) \
- + ((info->fix.visual == FB_VISUAL_TRUECOLOR || \
- + info->fix.visual == FB_VISUAL_DIRECTCOLOR) ? \
- + ((u32*)info->pseudo_palette)[a] : a)
- +
- +void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info,
- + const unsigned short *s, int count, int yy, int xx)
- +{
- + unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;
- + struct fbcon_ops *ops = info->fbcon_par;
- + int fg_color, bg_color, transparent;
- + u8 *src;
- + u32 bgx, fgx;
- + u16 c = scr_readw(s);
- +
- + fg_color = get_color(vc, info, c, 1);
- + bg_color = get_color(vc, info, c, 0);
- +
- + /* Don't paint the background image if console is blanked */
- + transparent = ops->blank_state ? 0 :
- + (vc->vc_decor.bg_color == bg_color);
- +
- + xx = xx * vc->vc_font.width + vc->vc_decor.tx;
- + yy = yy * vc->vc_font.height + vc->vc_decor.ty;
- +
- + fgx = cc2cx(fg_color);
- + bgx = cc2cx(bg_color);
- +
- + while (count--) {
- + c = scr_readw(s++);
- + src = vc->vc_font.data + (c & charmask) * vc->vc_font.height *
- + ((vc->vc_font.width + 7) >> 3);
- +
- + fbcon_decor_renderc(info, yy, xx, vc->vc_font.height,
- + vc->vc_font.width, src, fgx, bgx, transparent);
- + xx += vc->vc_font.width;
- + }
- +}
- +
- +void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor)
- +{
- + int i;
- + unsigned int dsize, s_pitch;
- + struct fbcon_ops *ops = info->fbcon_par;
- + struct vc_data* vc;
- + u8 *src;
- +
- + /* we really don't need any cursors while the console is blanked */
- + if (info->state != FBINFO_STATE_RUNNING || ops->blank_state)
- + return;
- +
- + vc = vc_cons[ops->currcon].d;
- +
- + src = kmalloc(64 + sizeof(struct fb_image), GFP_ATOMIC);
- + if (!src)
- + return;
- +
- + s_pitch = (cursor->image.width + 7) >> 3;
- + dsize = s_pitch * cursor->image.height;
- + if (cursor->enable) {
- + switch (cursor->rop) {
- + case ROP_XOR:
- + for (i = 0; i < dsize; i++)
- + src[i] = cursor->image.data[i] ^ cursor->mask[i];
- + break;
- + case ROP_COPY:
- + default:
- + for (i = 0; i < dsize; i++)
- + src[i] = cursor->image.data[i] & cursor->mask[i];
- + break;
- + }
- + } else
- + memcpy(src, cursor->image.data, dsize);
- +
- + fbcon_decor_renderc(info,
- + cursor->image.dy + vc->vc_decor.ty,
- + cursor->image.dx + vc->vc_decor.tx,
- + cursor->image.height,
- + cursor->image.width,
- + (u8*)src,
- + cc2cx(cursor->image.fg_color),
- + cc2cx(cursor->image.bg_color),
- + cursor->image.bg_color == vc->vc_decor.bg_color);
- +
- + kfree(src);
- +}
- +
- +static void decorset(u8 *dst, int height, int width, int dstbytes,
- + u32 bgx, int bpp)
- +{
- + int i;
- +
- + if (bpp == 8)
- + bgx |= bgx << 8;
- + if (bpp == 16 || bpp == 8)
- + bgx |= bgx << 16;
- +
- + while (height-- > 0) {
- + u8 *p = dst;
- +
- + switch (bpp) {
- +
- + case 32:
- + for (i=0; i < width; i++) {
- + fb_writel(bgx, p); p += 4;
- + }
- + break;
- + case 24:
- + for (i=0; i < width; i++) {
- +#ifdef __LITTLE_ENDIAN
- + fb_writew((bgx & 0xffff),(u16*)p); p += 2;
- + fb_writeb((bgx >> 16),p++);
- +#else
- + fb_writew((bgx >> 8),(u16*)p); p += 2;
- + fb_writeb((bgx & 0xff),p++);
- +#endif
- + }
- + case 16:
- + for (i=0; i < width/4; i++) {
- + fb_writel(bgx,p); p += 4;
- + fb_writel(bgx,p); p += 4;
- + }
- + if (width & 2) {
- + fb_writel(bgx,p); p += 4;
- + }
- + if (width & 1)
- + fb_writew(bgx,(u16*)p);
- + break;
- + case 8:
- + for (i=0; i < width/4; i++) {
- + fb_writel(bgx,p); p += 4;
- + }
- +
- + if (width & 2) {
- + fb_writew(bgx,p); p += 2;
- + }
- + if (width & 1)
- + fb_writeb(bgx,(u8*)p);
- + break;
- +
- + }
- + dst += dstbytes;
- + }
- +}
- +
- +void fbcon_decor_copy(u8 *dst, u8 *src, int height, int width, int linebytes,
- + int srclinebytes, int bpp)
- +{
- + int i;
- +
- + while (height-- > 0) {
- + u32 *p = (u32 *)dst;
- + u32 *q = (u32 *)src;
- +
- + switch (bpp) {
- +
- + case 32:
- + for (i=0; i < width; i++)
- + fb_writel(*q++, p++);
- + break;
- + case 24:
- + for (i=0; i < (width*3/4); i++)
- + fb_writel(*q++, p++);
- + if ((width*3) % 4) {
- + if (width & 2) {
- + fb_writeb(*(u8*)q, (u8*)p);
- + } else if (width & 1) {
- + fb_writew(*(u16*)q, (u16*)p);
- + fb_writeb(*(u8*)((u16*)q+1),(u8*)((u16*)p+2));
- + }
- + }
- + break;
- + case 16:
- + for (i=0; i < width/4; i++) {
- + fb_writel(*q++, p++);
- + fb_writel(*q++, p++);
- + }
- + if (width & 2)
- + fb_writel(*q++, p++);
- + if (width & 1)
- + fb_writew(*(u16*)q, (u16*)p);
- + break;
- + case 8:
- + for (i=0; i < width/4; i++)
- + fb_writel(*q++, p++);
- +
- + if (width & 2) {
- + fb_writew(*(u16*)q, (u16*)p);
- + q = (u32*) ((u16*)q + 1);
- + p = (u32*) ((u16*)p + 1);
- + }
- + if (width & 1)
- + fb_writeb(*(u8*)q, (u8*)p);
- + break;
- + }
- +
- + dst += linebytes;
- + src += srclinebytes;
- + }
- +}
- +
- +static void decorfill(struct fb_info *info, int sy, int sx, int height,
- + int width)
- +{
- + int bytespp = ((info->var.bits_per_pixel + 7) >> 3);
- + int d = sy * info->fix.line_length + sx * bytespp;
- + int ds = (sy * info->var.xres + sx) * bytespp;
- +
- + fbcon_decor_copy((u8 *)(info->screen_base + d), (u8 *)(info->bgdecor.data + ds),
- + height, width, info->fix.line_length, info->var.xres * bytespp,
- + info->var.bits_per_pixel);
- +}
- +
- +void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx,
- + int height, int width)
- +{
- + int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
- + struct fbcon_ops *ops = info->fbcon_par;
- + u8 *dst;
- + int transparent, bg_color = attr_bgcol_ec(bgshift, vc, info);
- +
- + transparent = (vc->vc_decor.bg_color == bg_color);
- + sy = sy * vc->vc_font.height + vc->vc_decor.ty;
- + sx = sx * vc->vc_font.width + vc->vc_decor.tx;
- + height *= vc->vc_font.height;
- + width *= vc->vc_font.width;
- +
- + /* Don't paint the background image if console is blanked */
- + if (transparent && !ops->blank_state) {
- + decorfill(info, sy, sx, height, width);
- + } else {
- + dst = (u8 *)(info->screen_base + sy * info->fix.line_length +
- + sx * ((info->var.bits_per_pixel + 7) >> 3));
- + decorset(dst, height, width, info->fix.line_length, cc2cx(bg_color),
- + info->var.bits_per_pixel);
- + }
- +}
- +
- +void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info,
- + int bottom_only)
- +{
- + unsigned int tw = vc->vc_cols*vc->vc_font.width;
- + unsigned int th = vc->vc_rows*vc->vc_font.height;
- +
- + if (!bottom_only) {
- + /* top margin */
- + decorfill(info, 0, 0, vc->vc_decor.ty, info->var.xres);
- + /* left margin */
- + decorfill(info, vc->vc_decor.ty, 0, th, vc->vc_decor.tx);
- + /* right margin */
- + decorfill(info, vc->vc_decor.ty, vc->vc_decor.tx + tw, th,
- + info->var.xres - vc->vc_decor.tx - tw);
- + }
- + decorfill(info, vc->vc_decor.ty + th, 0,
- + info->var.yres - vc->vc_decor.ty - th, info->var.xres);
- +}
- +
- +void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y,
- + int sx, int dx, int width)
- +{
- + u16 *d = (u16 *) (vc->vc_origin + vc->vc_size_row * y + dx * 2);
- + u16 *s = d + (dx - sx);
- + u16 *start = d;
- + u16 *ls = d;
- + u16 *le = d + width;
- + u16 c;
- + int x = dx;
- + u16 attr = 1;
- +
- + do {
- + c = scr_readw(d);
- + if (attr != (c & 0xff00)) {
- + attr = c & 0xff00;
- + if (d > start) {
- + fbcon_decor_putcs(vc, info, start, d - start, y, x);
- + x += d - start;
- + start = d;
- + }
- + }
- + if (s >= ls && s < le && c == scr_readw(s)) {
- + if (d > start) {
- + fbcon_decor_putcs(vc, info, start, d - start, y, x);
- + x += d - start + 1;
- + start = d + 1;
- + } else {
- + x++;
- + start++;
- + }
- + }
- + s++;
- + d++;
- + } while (d < le);
- + if (d > start)
- + fbcon_decor_putcs(vc, info, start, d - start, y, x);
- +}
- +
- +void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank)
- +{
- + if (blank) {
- + decorset((u8 *)info->screen_base, info->var.yres, info->var.xres,
- + info->fix.line_length, 0, info->var.bits_per_pixel);
- + } else {
- + update_screen(vc);
- + fbcon_decor_clear_margins(vc, info, 0);
- + }
- +}
- +
- diff -Nur linux-3.18.9.orig/drivers/video/console/fbcon.c linux-3.18.9/drivers/video/console/fbcon.c
- --- linux-3.18.9.orig/drivers/video/console/fbcon.c 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/fbcon.c 2015-03-15 14:34:13.072143681 -0500
- @@ -79,6 +79,7 @@
- #include <asm/irq.h>
-
- #include "fbcon.h"
- +#include "fbcondecor.h"
-
- #ifdef FBCONDEBUG
- # define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__ , ## args)
- @@ -94,7 +95,7 @@
-
- static struct display fb_display[MAX_NR_CONSOLES];
-
- -static signed char con2fb_map[MAX_NR_CONSOLES];
- +signed char con2fb_map[MAX_NR_CONSOLES];
- static signed char con2fb_map_boot[MAX_NR_CONSOLES];
-
- static int logo_lines;
- @@ -286,7 +287,7 @@
- !vt_force_oops_output(vc);
- }
-
- -static int get_color(struct vc_data *vc, struct fb_info *info,
- +int get_color(struct vc_data *vc, struct fb_info *info,
- u16 c, int is_fg)
- {
- int depth = fb_get_color_depth(&info->var, &info->fix);
- @@ -550,6 +551,9 @@
- info_idx = -1;
- } else {
- fbcon_has_console_bind = 1;
- +#ifdef CONFIG_FB_CON_DECOR
- + fbcon_decor_init();
- +#endif
- }
-
- return err;
- @@ -1007,6 +1011,12 @@
- rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
- cols /= vc->vc_font.width;
- rows /= vc->vc_font.height;
- +
- + if (fbcon_decor_active(info, vc)) {
- + cols = vc->vc_decor.twidth / vc->vc_font.width;
- + rows = vc->vc_decor.theight / vc->vc_font.height;
- + }
- +
- vc_resize(vc, cols, rows);
-
- DPRINTK("mode: %s\n", info->fix.id);
- @@ -1036,7 +1046,7 @@
- cap = info->flags;
-
- if (vc != svc || logo_shown == FBCON_LOGO_DONTSHOW ||
- - (info->fix.type == FB_TYPE_TEXT))
- + (info->fix.type == FB_TYPE_TEXT) || fbcon_decor_active(info, vc))
- logo = 0;
-
- if (var_to_display(p, &info->var, info))
- @@ -1260,6 +1270,11 @@
- fbcon_clear_margins(vc, 0);
- }
-
- + if (fbcon_decor_active(info, vc)) {
- + fbcon_decor_clear(vc, info, sy, sx, height, width);
- + return;
- + }
- +
- /* Split blits that cross physical y_wrap boundary */
-
- y_break = p->vrows - p->yscroll;
- @@ -1279,10 +1294,15 @@
- struct display *p = &fb_display[vc->vc_num];
- struct fbcon_ops *ops = info->fbcon_par;
-
- - if (!fbcon_is_inactive(vc, info))
- - ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
- - get_color(vc, info, scr_readw(s), 1),
- - get_color(vc, info, scr_readw(s), 0));
- + if (!fbcon_is_inactive(vc, info)) {
- +
- + if (fbcon_decor_active(info, vc))
- + fbcon_decor_putcs(vc, info, s, count, ypos, xpos);
- + else
- + ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
- + get_color(vc, info, scr_readw(s), 1),
- + get_color(vc, info, scr_readw(s), 0));
- + }
- }
-
- static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos)
- @@ -1298,8 +1318,13 @@
- struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
- struct fbcon_ops *ops = info->fbcon_par;
-
- - if (!fbcon_is_inactive(vc, info))
- - ops->clear_margins(vc, info, bottom_only);
- + if (!fbcon_is_inactive(vc, info)) {
- + if (fbcon_decor_active(info, vc)) {
- + fbcon_decor_clear_margins(vc, info, bottom_only);
- + } else {
- + ops->clear_margins(vc, info, bottom_only);
- + }
- + }
- }
-
- static void fbcon_cursor(struct vc_data *vc, int mode)
- @@ -1819,7 +1844,7 @@
- count = vc->vc_rows;
- if (softback_top)
- fbcon_softback_note(vc, t, count);
- - if (logo_shown >= 0)
- + if (logo_shown >= 0 || fbcon_decor_active(info, vc))
- goto redraw_up;
- switch (p->scrollmode) {
- case SCROLL_MOVE:
- @@ -1912,6 +1937,8 @@
- count = vc->vc_rows;
- if (logo_shown >= 0)
- goto redraw_down;
- + if (fbcon_decor_active(info, vc))
- + goto redraw_down;
- switch (p->scrollmode) {
- case SCROLL_MOVE:
- fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
- @@ -2060,6 +2087,13 @@
- }
- return;
- }
- +
- + if (fbcon_decor_active(info, vc) && sy == dy && height == 1) {
- + /* must use slower redraw bmove to keep background pic intact */
- + fbcon_decor_bmove_redraw(vc, info, sy, sx, dx, width);
- + return;
- + }
- +
- ops->bmove(vc, info, real_y(p, sy), sx, real_y(p, dy), dx,
- height, width);
- }
- @@ -2130,8 +2164,8 @@
- var.yres = virt_h * virt_fh;
- x_diff = info->var.xres - var.xres;
- y_diff = info->var.yres - var.yres;
- - if (x_diff < 0 || x_diff > virt_fw ||
- - y_diff < 0 || y_diff > virt_fh) {
- + if ((x_diff < 0 || x_diff > virt_fw ||
- + y_diff < 0 || y_diff > virt_fh) && !vc->vc_decor.state) {
- const struct fb_videomode *mode;
-
- DPRINTK("attempting resize %ix%i\n", var.xres, var.yres);
- @@ -2167,6 +2201,21 @@
-
- info = registered_fb[con2fb_map[vc->vc_num]];
- ops = info->fbcon_par;
- + prev_console = ops->currcon;
- + if (prev_console != -1)
- + old_info = registered_fb[con2fb_map[prev_console]];
- +
- +#ifdef CONFIG_FB_CON_DECOR
- + if (!fbcon_decor_active_vc(vc) && info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
- + struct vc_data *vc_curr = vc_cons[prev_console].d;
- + if (vc_curr && fbcon_decor_active_vc(vc_curr)) {
- + /* Clear the screen to avoid displaying funky colors during
- + * palette updates. */
- + memset((u8*)info->screen_base + info->fix.line_length * info->var.yoffset,
- + 0, info->var.yres * info->fix.line_length);
- + }
- + }
- +#endif
-
- if (softback_top) {
- if (softback_lines)
- @@ -2185,9 +2234,6 @@
- logo_shown = FBCON_LOGO_CANSHOW;
- }
-
- - prev_console = ops->currcon;
- - if (prev_console != -1)
- - old_info = registered_fb[con2fb_map[prev_console]];
- /*
- * FIXME: If we have multiple fbdev's loaded, we need to
- * update all info->currcon. Perhaps, we can place this
- @@ -2231,6 +2277,18 @@
- fbcon_del_cursor_timer(old_info);
- }
-
- + if (fbcon_decor_active_vc(vc)) {
- + struct vc_data *vc_curr = vc_cons[prev_console].d;
- +
- + if (!vc_curr->vc_decor.theme ||
- + strcmp(vc->vc_decor.theme, vc_curr->vc_decor.theme) ||
- + (fbcon_decor_active_nores(info, vc_curr) &&
- + !fbcon_decor_active(info, vc_curr))) {
- + fbcon_decor_disable(vc, 0);
- + fbcon_decor_call_helper("modechange", vc->vc_num);
- + }
- + }
- +
- if (fbcon_is_inactive(vc, info) ||
- ops->blank_state != FB_BLANK_UNBLANK)
- fbcon_del_cursor_timer(info);
- @@ -2339,15 +2397,20 @@
- }
- }
-
- - if (!fbcon_is_inactive(vc, info)) {
- + if (!fbcon_is_inactive(vc, info)) {
- if (ops->blank_state != blank) {
- ops->blank_state = blank;
- fbcon_cursor(vc, blank ? CM_ERASE : CM_DRAW);
- ops->cursor_flash = (!blank);
-
- - if (!(info->flags & FBINFO_MISC_USEREVENT))
- - if (fb_blank(info, blank))
- - fbcon_generic_blank(vc, info, blank);
- + if (!(info->flags & FBINFO_MISC_USEREVENT)) {
- + if (fb_blank(info, blank)) {
- + if (fbcon_decor_active(info, vc))
- + fbcon_decor_blank(vc, info, blank);
- + else
- + fbcon_generic_blank(vc, info, blank);
- + }
- + }
- }
-
- if (!blank)
- @@ -2522,13 +2585,22 @@
- }
-
- if (resize) {
- + /* reset wrap/pan */
- int cols, rows;
-
- cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
- rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
- +
- + if (fbcon_decor_active(info, vc)) {
- + info->var.xoffset = info->var.yoffset = p->yscroll = 0;
- + cols = vc->vc_decor.twidth;
- + rows = vc->vc_decor.theight;
- + }
- cols /= w;
- rows /= h;
- +
- vc_resize(vc, cols, rows);
- +
- if (CON_IS_VISIBLE(vc) && softback_buf)
- fbcon_update_softback(vc);
- } else if (CON_IS_VISIBLE(vc)
- @@ -2657,7 +2729,11 @@
- int i, j, k, depth;
- u8 val;
-
- - if (fbcon_is_inactive(vc, info))
- + if (fbcon_is_inactive(vc, info)
- +#ifdef CONFIG_FB_CON_DECOR
- + || vc->vc_num != fg_console
- +#endif
- + )
- return -EINVAL;
-
- if (!CON_IS_VISIBLE(vc))
- @@ -2683,14 +2759,56 @@
- } else
- fb_copy_cmap(fb_default_cmap(1 << depth), &palette_cmap);
-
- - return fb_set_cmap(&palette_cmap, info);
- + if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
- + info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
- +
- + u16 *red, *green, *blue;
- + int minlen = min(min(info->var.red.length, info->var.green.length),
- + info->var.blue.length);
- + int h;
- +
- + struct fb_cmap cmap = {
- + .start = 0,
- + .len = (1 << minlen),
- + .red = NULL,
- + .green = NULL,
- + .blue = NULL,
- + .transp = NULL
- + };
- +
- + red = kmalloc(256 * sizeof(u16) * 3, GFP_KERNEL);
- +
- + if (!red)
- + goto out;
- +
- + green = red + 256;
- + blue = green + 256;
- + cmap.red = red;
- + cmap.green = green;
- + cmap.blue = blue;
- +
- + for (i = 0; i < cmap.len; i++) {
- + red[i] = green[i] = blue[i] = (0xffff * i)/(cmap.len-1);
- + }
- +
- + h = fb_set_cmap(&cmap, info);
- + fbcon_decor_fix_pseudo_pal(info, vc_cons[fg_console].d);
- + kfree(red);
- +
- + return h;
- +
- + } else if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
- + info->var.bits_per_pixel == 8 && info->bgdecor.cmap.red != NULL)
- + fb_set_cmap(&info->bgdecor.cmap, info);
- +
- +out: return fb_set_cmap(&palette_cmap, info);
- }
-
- static u16 *fbcon_screen_pos(struct vc_data *vc, int offset)
- {
- unsigned long p;
- int line;
- -
- +
- if (vc->vc_num != fg_console || !softback_lines)
- return (u16 *) (vc->vc_origin + offset);
- line = offset / vc->vc_size_row;
- @@ -2909,7 +3027,14 @@
- rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
- cols /= vc->vc_font.width;
- rows /= vc->vc_font.height;
- - vc_resize(vc, cols, rows);
- +
- + if (!fbcon_decor_active_nores(info, vc)) {
- + vc_resize(vc, cols, rows);
- + } else {
- + fbcon_decor_disable(vc, 0);
- + fbcon_decor_call_helper("modechange", vc->vc_num);
- + }
- +
- updatescrollmode(p, info, vc);
- scrollback_max = 0;
- scrollback_current = 0;
- @@ -2954,7 +3079,9 @@
- rows = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
- cols /= vc->vc_font.width;
- rows /= vc->vc_font.height;
- - vc_resize(vc, cols, rows);
- + if (!fbcon_decor_active_nores(info, vc)) {
- + vc_resize(vc, cols, rows);
- + }
- }
-
- if (fg != -1)
- @@ -3596,6 +3723,7 @@
- }
- }
-
- + fbcon_decor_exit();
- fbcon_has_exited = 1;
- }
-
- diff -Nur linux-3.18.9.orig/drivers/video/console/fbcondecor.c linux-3.18.9/drivers/video/console/fbcondecor.c
- --- linux-3.18.9.orig/drivers/video/console/fbcondecor.c 1969-12-31 18:00:00.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/fbcondecor.c 2015-03-15 14:34:13.076143680 -0500
- @@ -0,0 +1,555 @@
- +/*
- + * linux/drivers/video/console/fbcondecor.c -- Framebuffer console decorations
- + *
- + * Copyright (C) 2004-2009 Michal Januszewski <michalj+fbcondecor@gmail.com>
- + *
- + * Code based upon "Bootsplash" (C) 2001-2003
- + * Volker Poplawski <volker@poplawski.de>,
- + * Stefan Reinauer <stepan@suse.de>,
- + * Steffen Winterfeldt <snwint@suse.de>,
- + * Michael Schroeder <mls@suse.de>,
- + * Ken Wimer <wimer@suse.de>.
- + *
- + * Compat ioctl support by Thorsten Klein <TK@Thorsten-Klein.de>.
- + *
- + * This file is subject to the terms and conditions of the GNU General Public
- + * License. See the file COPYING in the main directory of this archive for
- + * more details.
- + *
- + */
- +#include <linux/module.h>
- +#include <linux/kernel.h>
- +#include <linux/string.h>
- +#include <linux/types.h>
- +#include <linux/fb.h>
- +#include <linux/vt_kern.h>
- +#include <linux/vmalloc.h>
- +#include <linux/unistd.h>
- +#include <linux/syscalls.h>
- +#include <linux/init.h>
- +#include <linux/proc_fs.h>
- +#include <linux/workqueue.h>
- +#include <linux/kmod.h>
- +#include <linux/miscdevice.h>
- +#include <linux/device.h>
- +#include <linux/fs.h>
- +#include <linux/compat.h>
- +#include <linux/console.h>
- +
- +#include <asm/uaccess.h>
- +#include <asm/irq.h>
- +
- +#include "fbcon.h"
- +#include "fbcondecor.h"
- +
- +extern signed char con2fb_map[];
- +static int fbcon_decor_enable(struct vc_data *vc);
- +char fbcon_decor_path[KMOD_PATH_LEN] = "/sbin/fbcondecor_helper";
- +static int initialized = 0;
- +
- +int fbcon_decor_call_helper(char* cmd, unsigned short vc)
- +{
- + char *envp[] = {
- + "HOME=/",
- + "PATH=/sbin:/bin",
- + NULL
- + };
- +
- + char tfb[5];
- + char tcons[5];
- + unsigned char fb = (int) con2fb_map[vc];
- +
- + char *argv[] = {
- + fbcon_decor_path,
- + "2",
- + cmd,
- + tcons,
- + tfb,
- + vc_cons[vc].d->vc_decor.theme,
- + NULL
- + };
- +
- + snprintf(tfb,5,"%d",fb);
- + snprintf(tcons,5,"%d",vc);
- +
- + return call_usermodehelper(fbcon_decor_path, argv, envp, UMH_WAIT_EXEC);
- +}
- +
- +/* Disables fbcondecor on a virtual console; called with console sem held. */
- +int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw)
- +{
- + struct fb_info* info;
- +
- + if (!vc->vc_decor.state)
- + return -EINVAL;
- +
- + info = registered_fb[(int) con2fb_map[vc->vc_num]];
- +
- + if (info == NULL)
- + return -EINVAL;
- +
- + vc->vc_decor.state = 0;
- + vc_resize(vc, info->var.xres / vc->vc_font.width,
- + info->var.yres / vc->vc_font.height);
- +
- + if (fg_console == vc->vc_num && redraw) {
- + redraw_screen(vc, 0);
- + update_region(vc, vc->vc_origin +
- + vc->vc_size_row * vc->vc_top,
- + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
- + }
- +
- + printk(KERN_INFO "fbcondecor: switched decor state to 'off' on console %d\n",
- + vc->vc_num);
- +
- + return 0;
- +}
- +
- +/* Enables fbcondecor on a virtual console; called with console sem held. */
- +static int fbcon_decor_enable(struct vc_data *vc)
- +{
- + struct fb_info* info;
- +
- + info = registered_fb[(int) con2fb_map[vc->vc_num]];
- +
- + if (vc->vc_decor.twidth == 0 || vc->vc_decor.theight == 0 ||
- + info == NULL || vc->vc_decor.state || (!info->bgdecor.data &&
- + vc->vc_num == fg_console))
- + return -EINVAL;
- +
- + vc->vc_decor.state = 1;
- + vc_resize(vc, vc->vc_decor.twidth / vc->vc_font.width,
- + vc->vc_decor.theight / vc->vc_font.height);
- +
- + if (fg_console == vc->vc_num) {
- + redraw_screen(vc, 0);
- + update_region(vc, vc->vc_origin +
- + vc->vc_size_row * vc->vc_top,
- + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
- + fbcon_decor_clear_margins(vc, info, 0);
- + }
- +
- + printk(KERN_INFO "fbcondecor: switched decor state to 'on' on console %d\n",
- + vc->vc_num);
- +
- + return 0;
- +}
- +
- +static inline int fbcon_decor_ioctl_dosetstate(struct vc_data *vc, unsigned int state, unsigned char origin)
- +{
- + int ret;
- +
- +// if (origin == FBCON_DECOR_IO_ORIG_USER)
- + console_lock();
- + if (!state)
- + ret = fbcon_decor_disable(vc, 1);
- + else
- + ret = fbcon_decor_enable(vc);
- +// if (origin == FBCON_DECOR_IO_ORIG_USER)
- + console_unlock();
- +
- + return ret;
- +}
- +
- +static inline void fbcon_decor_ioctl_dogetstate(struct vc_data *vc, unsigned int *state)
- +{
- + *state = vc->vc_decor.state;
- +}
- +
- +static int fbcon_decor_ioctl_dosetcfg(struct vc_data *vc, struct vc_decor *cfg, unsigned char origin)
- +{
- + struct fb_info *info;
- + int len;
- + char *tmp;
- +
- + info = registered_fb[(int) con2fb_map[vc->vc_num]];
- +
- + if (info == NULL || !cfg->twidth || !cfg->theight ||
- + cfg->tx + cfg->twidth > info->var.xres ||
- + cfg->ty + cfg->theight > info->var.yres)
- + return -EINVAL;
- +
- + len = strlen_user(cfg->theme);
- + if (!len || len > FBCON_DECOR_THEME_LEN)
- + return -EINVAL;
- + tmp = kmalloc(len, GFP_KERNEL);
- + if (!tmp)
- + return -ENOMEM;
- + if (copy_from_user(tmp, (void __user *)cfg->theme, len))
- + return -EFAULT;
- + cfg->theme = tmp;
- + cfg->state = 0;
- +
- + /* If this ioctl is a response to a request from kernel, the console sem
- + * is already held; we also don't need to disable decor because either the
- + * new config and background picture will be successfully loaded, and the
- + * decor will stay on, or in case of a failure it'll be turned off in fbcon. */
- +// if (origin == FBCON_DECOR_IO_ORIG_USER) {
- + console_lock();
- + if (vc->vc_decor.state)
- + fbcon_decor_disable(vc, 1);
- +// }
- +
- + if (vc->vc_decor.theme)
- + kfree(vc->vc_decor.theme);
- +
- + vc->vc_decor = *cfg;
- +
- +// if (origin == FBCON_DECOR_IO_ORIG_USER)
- + console_unlock();
- +
- + printk(KERN_INFO "fbcondecor: console %d using theme '%s'\n",
- + vc->vc_num, vc->vc_decor.theme);
- + return 0;
- +}
- +
- +static int fbcon_decor_ioctl_dogetcfg(struct vc_data *vc, struct vc_decor *decor)
- +{
- + char __user *tmp;
- +
- + tmp = decor->theme;
- + *decor = vc->vc_decor;
- + decor->theme = tmp;
- +
- + if (vc->vc_decor.theme) {
- + if (copy_to_user(tmp, vc->vc_decor.theme, strlen(vc->vc_decor.theme) + 1))
- + return -EFAULT;
- + } else
- + if (put_user(0, tmp))
- + return -EFAULT;
- +
- + return 0;
- +}
- +
- +static int fbcon_decor_ioctl_dosetpic(struct vc_data *vc, struct fb_image *img, unsigned char origin)
- +{
- + struct fb_info *info;
- + int len;
- + u8 *tmp;
- +
- + if (vc->vc_num != fg_console)
- + return -EINVAL;
- +
- + info = registered_fb[(int) con2fb_map[vc->vc_num]];
- +
- + if (info == NULL)
- + return -EINVAL;
- +
- + if (img->width != info->var.xres || img->height != info->var.yres) {
- + printk(KERN_ERR "fbcondecor: picture dimensions mismatch\n");
- + printk(KERN_ERR "%dx%d vs %dx%d\n", img->width, img->height, info->var.xres, info->var.yres);
- + return -EINVAL;
- + }
- +
- + if (img->depth != info->var.bits_per_pixel) {
- + printk(KERN_ERR "fbcondecor: picture depth mismatch\n");
- + return -EINVAL;
- + }
- +
- + if (img->depth == 8) {
- + if (!img->cmap.len || !img->cmap.red || !img->cmap.green ||
- + !img->cmap.blue)
- + return -EINVAL;
- +
- + tmp = vmalloc(img->cmap.len * 3 * 2);
- + if (!tmp)
- + return -ENOMEM;
- +
- + if (copy_from_user(tmp,
- + (void __user*)img->cmap.red, (img->cmap.len << 1)) ||
- + copy_from_user(tmp + (img->cmap.len << 1),
- + (void __user*)img->cmap.green, (img->cmap.len << 1)) ||
- + copy_from_user(tmp + (img->cmap.len << 2),
- + (void __user*)img->cmap.blue, (img->cmap.len << 1))) {
- + vfree(tmp);
- + return -EFAULT;
- + }
- +
- + img->cmap.transp = NULL;
- + img->cmap.red = (u16*)tmp;
- + img->cmap.green = img->cmap.red + img->cmap.len;
- + img->cmap.blue = img->cmap.green + img->cmap.len;
- + } else {
- + img->cmap.red = NULL;
- + }
- +
- + len = ((img->depth + 7) >> 3) * img->width * img->height;
- +
- + /*
- + * Allocate an additional byte so that we never go outside of the
- + * buffer boundaries in the rendering functions in a 24 bpp mode.
- + */
- + tmp = vmalloc(len + 1);
- +
- + if (!tmp)
- + goto out;
- +
- + if (copy_from_user(tmp, (void __user*)img->data, len))
- + goto out;
- +
- + img->data = tmp;
- +
- + /* If this ioctl is a response to a request from kernel, the console sem
- + * is already held. */
- +// if (origin == FBCON_DECOR_IO_ORIG_USER)
- + console_lock();
- +
- + if (info->bgdecor.data)
- + vfree((u8*)info->bgdecor.data);
- + if (info->bgdecor.cmap.red)
- + vfree(info->bgdecor.cmap.red);
- +
- + info->bgdecor = *img;
- +
- + if (fbcon_decor_active_vc(vc) && fg_console == vc->vc_num) {
- + redraw_screen(vc, 0);
- + update_region(vc, vc->vc_origin +
- + vc->vc_size_row * vc->vc_top,
- + vc->vc_size_row * (vc->vc_bottom - vc->vc_top) / 2);
- + fbcon_decor_clear_margins(vc, info, 0);
- + }
- +
- +// if (origin == FBCON_DECOR_IO_ORIG_USER)
- + console_unlock();
- +
- + return 0;
- +
- +out: if (img->cmap.red)
- + vfree(img->cmap.red);
- +
- + if (tmp)
- + vfree(tmp);
- + return -ENOMEM;
- +}
- +
- +static long fbcon_decor_ioctl(struct file *filp, u_int cmd, u_long arg)
- +{
- + struct fbcon_decor_iowrapper __user *wrapper = (void __user*) arg;
- + struct vc_data *vc = NULL;
- + unsigned short vc_num = 0;
- + unsigned char origin = 0;
- + void __user *data = NULL;
- +
- + if (!access_ok(VERIFY_READ, wrapper,
- + sizeof(struct fbcon_decor_iowrapper)))
- + return -EFAULT;
- +
- + __get_user(vc_num, &wrapper->vc);
- + __get_user(origin, &wrapper->origin);
- + __get_user(data, &wrapper->data);
- +
- + if (!vc_cons_allocated(vc_num))
- + return -EINVAL;
- +
- + vc = vc_cons[vc_num].d;
- +
- + switch (cmd) {
- + case FBIOCONDECOR_SETPIC:
- + {
- + struct fb_image img;
- + if (copy_from_user(&img, (struct fb_image __user *)data, sizeof(struct fb_image)))
- + return -EFAULT;
- +
- + return fbcon_decor_ioctl_dosetpic(vc, &img, origin);
- + }
- + case FBIOCONDECOR_SETCFG:
- + {
- + struct vc_decor cfg;
- + if (copy_from_user(&cfg, (struct vc_decor __user *)data, sizeof(struct vc_decor)))
- + return -EFAULT;
- +
- + return fbcon_decor_ioctl_dosetcfg(vc, &cfg, origin);
- + }
- + case FBIOCONDECOR_GETCFG:
- + {
- + int rval;
- + struct vc_decor cfg;
- +
- + if (copy_from_user(&cfg, (struct vc_decor __user *)data, sizeof(struct vc_decor)))
- + return -EFAULT;
- +
- + rval = fbcon_decor_ioctl_dogetcfg(vc, &cfg);
- +
- + if (copy_to_user(data, &cfg, sizeof(struct vc_decor)))
- + return -EFAULT;
- + return rval;
- + }
- + case FBIOCONDECOR_SETSTATE:
- + {
- + unsigned int state = 0;
- + if (get_user(state, (unsigned int __user *)data))
- + return -EFAULT;
- + return fbcon_decor_ioctl_dosetstate(vc, state, origin);
- + }
- + case FBIOCONDECOR_GETSTATE:
- + {
- + unsigned int state = 0;
- + fbcon_decor_ioctl_dogetstate(vc, &state);
- + return put_user(state, (unsigned int __user *)data);
- + }
- +
- + default:
- + return -ENOIOCTLCMD;
- + }
- +}
- +
- +#ifdef CONFIG_COMPAT
- +
- +static long fbcon_decor_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) {
- +
- + struct fbcon_decor_iowrapper32 __user *wrapper = (void __user *)arg;
- + struct vc_data *vc = NULL;
- + unsigned short vc_num = 0;
- + unsigned char origin = 0;
- + compat_uptr_t data_compat = 0;
- + void __user *data = NULL;
- +
- + if (!access_ok(VERIFY_READ, wrapper,
- + sizeof(struct fbcon_decor_iowrapper32)))
- + return -EFAULT;
- +
- + __get_user(vc_num, &wrapper->vc);
- + __get_user(origin, &wrapper->origin);
- + __get_user(data_compat, &wrapper->data);
- + data = compat_ptr(data_compat);
- +
- + if (!vc_cons_allocated(vc_num))
- + return -EINVAL;
- +
- + vc = vc_cons[vc_num].d;
- +
- + switch (cmd) {
- + case FBIOCONDECOR_SETPIC32:
- + {
- + struct fb_image32 img_compat;
- + struct fb_image img;
- +
- + if (copy_from_user(&img_compat, (struct fb_image32 __user *)data, sizeof(struct fb_image32)))
- + return -EFAULT;
- +
- + fb_image_from_compat(img, img_compat);
- +
- + return fbcon_decor_ioctl_dosetpic(vc, &img, origin);
- + }
- +
- + case FBIOCONDECOR_SETCFG32:
- + {
- + struct vc_decor32 cfg_compat;
- + struct vc_decor cfg;
- +
- + if (copy_from_user(&cfg_compat, (struct vc_decor32 __user *)data, sizeof(struct vc_decor32)))
- + return -EFAULT;
- +
- + vc_decor_from_compat(cfg, cfg_compat);
- +
- + return fbcon_decor_ioctl_dosetcfg(vc, &cfg, origin);
- + }
- +
- + case FBIOCONDECOR_GETCFG32:
- + {
- + int rval;
- + struct vc_decor32 cfg_compat;
- + struct vc_decor cfg;
- +
- + if (copy_from_user(&cfg_compat, (struct vc_decor32 __user *)data, sizeof(struct vc_decor32)))
- + return -EFAULT;
- + cfg.theme = compat_ptr(cfg_compat.theme);
- +
- + rval = fbcon_decor_ioctl_dogetcfg(vc, &cfg);
- +
- + vc_decor_to_compat(cfg_compat, cfg);
- +
- + if (copy_to_user((struct vc_decor32 __user *)data, &cfg_compat, sizeof(struct vc_decor32)))
- + return -EFAULT;
- + return rval;
- + }
- +
- + case FBIOCONDECOR_SETSTATE32:
- + {
- + compat_uint_t state_compat = 0;
- + unsigned int state = 0;
- +
- + if (get_user(state_compat, (compat_uint_t __user *)data))
- + return -EFAULT;
- +
- + state = (unsigned int)state_compat;
- +
- + return fbcon_decor_ioctl_dosetstate(vc, state, origin);
- + }
- +
- + case FBIOCONDECOR_GETSTATE32:
- + {
- + compat_uint_t state_compat = 0;
- + unsigned int state = 0;
- +
- + fbcon_decor_ioctl_dogetstate(vc, &state);
- + state_compat = (compat_uint_t)state;
- +
- + return put_user(state_compat, (compat_uint_t __user *)data);
- + }
- +
- + default:
- + return -ENOIOCTLCMD;
- + }
- +}
- +#else
- + #define fbcon_decor_compat_ioctl NULL
- +#endif
- +
- +static struct file_operations fbcon_decor_ops = {
- + .owner = THIS_MODULE,
- + .unlocked_ioctl = fbcon_decor_ioctl,
- + .compat_ioctl = fbcon_decor_compat_ioctl
- +};
- +
- +static struct miscdevice fbcon_decor_dev = {
- + .minor = MISC_DYNAMIC_MINOR,
- + .name = "fbcondecor",
- + .fops = &fbcon_decor_ops
- +};
- +
- +void fbcon_decor_reset()
- +{
- + int i;
- +
- + for (i = 0; i < num_registered_fb; i++) {
- + registered_fb[i]->bgdecor.data = NULL;
- + registered_fb[i]->bgdecor.cmap.red = NULL;
- + }
- +
- + for (i = 0; i < MAX_NR_CONSOLES && vc_cons[i].d; i++) {
- + vc_cons[i].d->vc_decor.state = vc_cons[i].d->vc_decor.twidth =
- + vc_cons[i].d->vc_decor.theight = 0;
- + vc_cons[i].d->vc_decor.theme = NULL;
- + }
- +
- + return;
- +}
- +
- +int fbcon_decor_init()
- +{
- + int i;
- +
- + fbcon_decor_reset();
- +
- + if (initialized)
- + return 0;
- +
- + i = misc_register(&fbcon_decor_dev);
- + if (i) {
- + printk(KERN_ERR "fbcondecor: failed to register device\n");
- + return i;
- + }
- +
- + fbcon_decor_call_helper("init", 0);
- + initialized = 1;
- + return 0;
- +}
- +
- +int fbcon_decor_exit(void)
- +{
- + fbcon_decor_reset();
- + return 0;
- +}
- +
- +EXPORT_SYMBOL(fbcon_decor_path);
- diff -Nur linux-3.18.9.orig/drivers/video/console/fbcondecor.h linux-3.18.9/drivers/video/console/fbcondecor.h
- --- linux-3.18.9.orig/drivers/video/console/fbcondecor.h 1969-12-31 18:00:00.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/fbcondecor.h 2015-03-15 14:34:13.076143680 -0500
- @@ -0,0 +1,79 @@
- +/*
- + * linux/drivers/video/console/fbcondecor.h -- Framebuffer Console Decoration headers
- + *
- + * Copyright (C) 2004 Michal Januszewski <michalj+fbcondecor@gmail.com>
- + *
- + */
- +
- +#ifndef __FBCON_DECOR_H
- +#define __FBCON_DECOR_H
- +
- +#ifndef _LINUX_FB_H
- +#include <linux/fb.h>
- +#endif
- +
- +/* This is needed for vc_cons in fbcmap.c */
- +#include <linux/vt_kern.h>
- +
- +struct fb_cursor;
- +struct fb_info;
- +struct vc_data;
- +
- +#ifdef CONFIG_FB_CON_DECOR
- +/* fbcondecor.c */
- +int fbcon_decor_init(void);
- +void fbcon_decor_reset(void);
- +int fbcon_decor_exit(void);
- +int fbcon_decor_call_helper(char* cmd, unsigned short cons);
- +int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw);
- +
- +/* cfbcondecor.c */
- +void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx);
- +void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor);
- +void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width);
- +void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only);
- +void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank);
- +void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width);
- +void fbcon_decor_copy(u8 *dst, u8 *src, int height, int width, int linebytes, int srclinesbytes, int bpp);
- +void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc);
- +
- +/* vt.c */
- +void acquire_console_sem(void);
- +void release_console_sem(void);
- +void do_unblank_screen(int entering_gfx);
- +
- +/* struct vc_data *y */
- +#define fbcon_decor_active_vc(y) (y->vc_decor.state && y->vc_decor.theme)
- +
- +/* struct fb_info *x, struct vc_data *y */
- +#define fbcon_decor_active_nores(x,y) (x->bgdecor.data && fbcon_decor_active_vc(y))
- +
- +/* struct fb_info *x, struct vc_data *y */
- +#define fbcon_decor_active(x,y) (fbcon_decor_active_nores(x,y) && \
- + x->bgdecor.width == x->var.xres && \
- + x->bgdecor.height == x->var.yres && \
- + x->bgdecor.depth == x->var.bits_per_pixel)
- +
- +
- +#else /* CONFIG_FB_CON_DECOR */
- +
- +static inline void fbcon_decor_putcs(struct vc_data *vc, struct fb_info *info, const unsigned short *s, int count, int yy, int xx) {}
- +static inline void fbcon_decor_putc(struct vc_data *vc, struct fb_info *info, int c, int ypos, int xpos) {}
- +static inline void fbcon_decor_cursor(struct fb_info *info, struct fb_cursor *cursor) {}
- +static inline void fbcon_decor_clear(struct vc_data *vc, struct fb_info *info, int sy, int sx, int height, int width) {}
- +static inline void fbcon_decor_clear_margins(struct vc_data *vc, struct fb_info *info, int bottom_only) {}
- +static inline void fbcon_decor_blank(struct vc_data *vc, struct fb_info *info, int blank) {}
- +static inline void fbcon_decor_bmove_redraw(struct vc_data *vc, struct fb_info *info, int y, int sx, int dx, int width) {}
- +static inline void fbcon_decor_fix_pseudo_pal(struct fb_info *info, struct vc_data *vc) {}
- +static inline int fbcon_decor_call_helper(char* cmd, unsigned short cons) { return 0; }
- +static inline int fbcon_decor_init(void) { return 0; }
- +static inline int fbcon_decor_exit(void) { return 0; }
- +static inline int fbcon_decor_disable(struct vc_data *vc, unsigned char redraw) { return 0; }
- +
- +#define fbcon_decor_active_vc(y) (0)
- +#define fbcon_decor_active_nores(x,y) (0)
- +#define fbcon_decor_active(x,y) (0)
- +
- +#endif /* CONFIG_FB_CON_DECOR */
- +
- +#endif /* __FBCON_DECOR_H */
- diff -Nur linux-3.18.9.orig/drivers/video/console/Kconfig linux-3.18.9/drivers/video/console/Kconfig
- --- linux-3.18.9.orig/drivers/video/console/Kconfig 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/Kconfig 2015-03-15 14:34:13.068143682 -0500
- @@ -126,6 +126,19 @@
- such that other users of the framebuffer will remain normally
- oriented.
-
- +config FB_CON_DECOR
- + bool "Support for the Framebuffer Console Decorations"
- + depends on FRAMEBUFFER_CONSOLE=y && !FB_TILEBLITTING
- + default n
- + ---help---
- + This option enables support for framebuffer console decorations which
- + makes it possible to display images in the background of the system
- + consoles. Note that userspace utilities are necessary in order to take
- + advantage of these features. Refer to Documentation/fb/fbcondecor.txt
- + for more information.
- +
- + If unsure, say N.
- +
- config STI_CONSOLE
- bool "STI text console"
- depends on PARISC
- diff -Nur linux-3.18.9.orig/drivers/video/console/Makefile linux-3.18.9/drivers/video/console/Makefile
- --- linux-3.18.9.orig/drivers/video/console/Makefile 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/video/console/Makefile 2015-03-15 14:34:13.068143682 -0500
- @@ -16,4 +16,5 @@
- fbcon_ccw.o
- endif
-
- +obj-$(CONFIG_FB_CON_DECOR) += fbcondecor.o cfbcondecor.o
- obj-$(CONFIG_FB_STI) += sticore.o
- diff -Nur linux-3.18.9.orig/drivers/video/fbdev/core/fbcmap.c linux-3.18.9/drivers/video/fbdev/core/fbcmap.c
- --- linux-3.18.9.orig/drivers/video/fbdev/core/fbcmap.c 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/drivers/video/fbdev/core/fbcmap.c 2015-03-15 14:34:13.076143680 -0500
- @@ -17,6 +17,8 @@
- #include <linux/slab.h>
- #include <linux/uaccess.h>
-
- +#include "../../console/fbcondecor.h"
- +
- static u16 red2[] __read_mostly = {
- 0x0000, 0xaaaa
- };
- @@ -257,6 +259,10 @@
- if (rc == 0)
- fb_copy_cmap(cmap, &info->cmap);
-
- + if (fbcon_decor_active(info, vc_cons[fg_console].d) &&
- + info->fix.visual == FB_VISUAL_DIRECTCOLOR)
- + fbcon_decor_fix_pseudo_pal(info, vc_cons[fg_console].d);
- +
- return rc;
- }
-
- diff -Nur linux-3.18.9.orig/include/linux/console_decor.h linux-3.18.9/include/linux/console_decor.h
- --- linux-3.18.9.orig/include/linux/console_decor.h 1969-12-31 18:00:00.000000000 -0600
- +++ linux-3.18.9/include/linux/console_decor.h 2015-03-15 14:34:13.076143680 -0500
- @@ -0,0 +1,46 @@
- +#ifndef _LINUX_CONSOLE_DECOR_H_
- +#define _LINUX_CONSOLE_DECOR_H_ 1
- +
- +/* A structure used by the framebuffer console decorations (drivers/video/console/fbcondecor.c) */
- +struct vc_decor {
- + __u8 bg_color; /* The color that is to be treated as transparent */
- + __u8 state; /* Current decor state: 0 = off, 1 = on */
- + __u16 tx, ty; /* Top left corner coordinates of the text field */
- + __u16 twidth, theight; /* Width and height of the text field */
- + char* theme;
- +};
- +
- +#ifdef __KERNEL__
- +#ifdef CONFIG_COMPAT
- +#include <linux/compat.h>
- +
- +struct vc_decor32 {
- + __u8 bg_color; /* The color that is to be treated as transparent */
- + __u8 state; /* Current decor state: 0 = off, 1 = on */
- + __u16 tx, ty; /* Top left corner coordinates of the text field */
- + __u16 twidth, theight; /* Width and height of the text field */
- + compat_uptr_t theme;
- +};
- +
- +#define vc_decor_from_compat(to, from) \
- + (to).bg_color = (from).bg_color; \
- + (to).state = (from).state; \
- + (to).tx = (from).tx; \
- + (to).ty = (from).ty; \
- + (to).twidth = (from).twidth; \
- + (to).theight = (from).theight; \
- + (to).theme = compat_ptr((from).theme)
- +
- +#define vc_decor_to_compat(to, from) \
- + (to).bg_color = (from).bg_color; \
- + (to).state = (from).state; \
- + (to).tx = (from).tx; \
- + (to).ty = (from).ty; \
- + (to).twidth = (from).twidth; \
- + (to).theight = (from).theight; \
- + (to).theme = ptr_to_compat((from).theme)
- +
- +#endif /* CONFIG_COMPAT */
- +#endif /* __KERNEL__ */
- +
- +#endif
- diff -Nur linux-3.18.9.orig/include/linux/console_struct.h linux-3.18.9/include/linux/console_struct.h
- --- linux-3.18.9.orig/include/linux/console_struct.h 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/include/linux/console_struct.h 2015-03-15 14:34:13.076143680 -0500
- @@ -20,6 +20,7 @@
- struct uni_pagedir;
-
- #define NPAR 16
- +#include <linux/console_decor.h>
-
- struct vc_data {
- struct tty_port port; /* Upper level data */
- @@ -108,6 +109,8 @@
- struct uni_pagedir *vc_uni_pagedir;
- struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
- bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */
- +
- + struct vc_decor vc_decor;
- /* additional information is in vt_kern.h */
- };
-
- diff -Nur linux-3.18.9.orig/include/linux/fb.h linux-3.18.9/include/linux/fb.h
- --- linux-3.18.9.orig/include/linux/fb.h 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/include/linux/fb.h 2015-03-15 14:34:13.080143679 -0500
- @@ -220,6 +220,34 @@
- };
- #endif
-
- +#ifdef __KERNEL__
- +#ifdef CONFIG_COMPAT
- +struct fb_image32 {
- + __u32 dx; /* Where to place image */
- + __u32 dy;
- + __u32 width; /* Size of image */
- + __u32 height;
- + __u32 fg_color; /* Only used when a mono bitmap */
- + __u32 bg_color;
- + __u8 depth; /* Depth of the image */
- + const compat_uptr_t data; /* Pointer to image data */
- + struct fb_cmap32 cmap; /* color map info */
- +};
- +
- +#define fb_image_from_compat(to, from) \
- + (to).dx = (from).dx; \
- + (to).dy = (from).dy; \
- + (to).width = (from).width; \
- + (to).height = (from).height; \
- + (to).fg_color = (from).fg_color; \
- + (to).bg_color = (from).bg_color; \
- + (to).depth = (from).depth; \
- + (to).data = compat_ptr((from).data); \
- + fb_cmap_from_compat((to).cmap, (from).cmap)
- +
- +#endif /* CONFIG_COMPAT */
- +#endif /* __KERNEL__ */
- +
- /*
- * Frame buffer operations
- *
- @@ -490,6 +518,9 @@
- #define FBINFO_STATE_SUSPENDED 1
- u32 state; /* Hardware state i.e suspend */
- void *fbcon_par; /* fbcon use-only private area */
- +
- + struct fb_image bgdecor;
- +
- /* From here on everything is device dependent */
- void *par;
- /* we need the PCI or similar aperture base/size not
- diff -Nur linux-3.18.9.orig/include/uapi/linux/fb.h linux-3.18.9/include/uapi/linux/fb.h
- --- linux-3.18.9.orig/include/uapi/linux/fb.h 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/include/uapi/linux/fb.h 2015-03-15 14:34:13.080143679 -0500
- @@ -8,6 +8,25 @@
-
- #define FB_MAX 32 /* sufficient for now */
-
- +struct fbcon_decor_iowrapper
- +{
- + unsigned short vc; /* Virtual console */
- + unsigned char origin; /* Point of origin of the request */
- + void *data;
- +};
- +
- +#ifdef __KERNEL__
- +#ifdef CONFIG_COMPAT
- +#include <linux/compat.h>
- +struct fbcon_decor_iowrapper32
- +{
- + unsigned short vc; /* Virtual console */
- + unsigned char origin; /* Point of origin of the request */
- + compat_uptr_t data;
- +};
- +#endif /* CONFIG_COMPAT */
- +#endif /* __KERNEL__ */
- +
- /* ioctls
- 0x46 is 'F' */
- #define FBIOGET_VSCREENINFO 0x4600
- @@ -35,6 +54,25 @@
- #define FBIOGET_DISPINFO 0x4618
- #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
-
- +#define FBIOCONDECOR_SETCFG _IOWR('F', 0x19, struct fbcon_decor_iowrapper)
- +#define FBIOCONDECOR_GETCFG _IOR('F', 0x1A, struct fbcon_decor_iowrapper)
- +#define FBIOCONDECOR_SETSTATE _IOWR('F', 0x1B, struct fbcon_decor_iowrapper)
- +#define FBIOCONDECOR_GETSTATE _IOR('F', 0x1C, struct fbcon_decor_iowrapper)
- +#define FBIOCONDECOR_SETPIC _IOWR('F', 0x1D, struct fbcon_decor_iowrapper)
- +#ifdef __KERNEL__
- +#ifdef CONFIG_COMPAT
- +#define FBIOCONDECOR_SETCFG32 _IOWR('F', 0x19, struct fbcon_decor_iowrapper32)
- +#define FBIOCONDECOR_GETCFG32 _IOR('F', 0x1A, struct fbcon_decor_iowrapper32)
- +#define FBIOCONDECOR_SETSTATE32 _IOWR('F', 0x1B, struct fbcon_decor_iowrapper32)
- +#define FBIOCONDECOR_GETSTATE32 _IOR('F', 0x1C, struct fbcon_decor_iowrapper32)
- +#define FBIOCONDECOR_SETPIC32 _IOWR('F', 0x1D, struct fbcon_decor_iowrapper32)
- +#endif /* CONFIG_COMPAT */
- +#endif /* __KERNEL__ */
- +
- +#define FBCON_DECOR_THEME_LEN 128 /* Maximum lenght of a theme name */
- +#define FBCON_DECOR_IO_ORIG_KERNEL 0 /* Kernel ioctl origin */
- +#define FBCON_DECOR_IO_ORIG_USER 1 /* User ioctl origin */
- +
- #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
- #define FB_TYPE_PLANES 1 /* Non interleaved planes */
- #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
- @@ -277,6 +315,29 @@
- __u32 reserved[4]; /* Reserved for future compatibility */
- };
-
- +#ifdef __KERNEL__
- +#ifdef CONFIG_COMPAT
- +struct fb_cmap32 {
- + __u32 start;
- + __u32 len; /* Number of entries */
- + compat_uptr_t red; /* Red values */
- + compat_uptr_t green;
- + compat_uptr_t blue;
- + compat_uptr_t transp; /* transparency, can be NULL */
- +};
- +
- +#define fb_cmap_from_compat(to, from) \
- + (to).start = (from).start; \
- + (to).len = (from).len; \
- + (to).red = compat_ptr((from).red); \
- + (to).green = compat_ptr((from).green); \
- + (to).blue = compat_ptr((from).blue); \
- + (to).transp = compat_ptr((from).transp)
- +
- +#endif /* CONFIG_COMPAT */
- +#endif /* __KERNEL__ */
- +
- +
- struct fb_cmap {
- __u32 start; /* First entry */
- __u32 len; /* Number of entries */
- diff -Nur linux-3.18.9.orig/kernel/sysctl.c linux-3.18.9/kernel/sysctl.c
- --- linux-3.18.9.orig/kernel/sysctl.c 2015-03-06 16:53:42.000000000 -0600
- +++ linux-3.18.9/kernel/sysctl.c 2015-03-15 14:34:13.080143679 -0500
- @@ -145,6 +145,10 @@
- static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
- #endif
-
- +#ifdef CONFIG_FB_CON_DECOR
- +extern char fbcon_decor_path[];
- +#endif
- +
- #ifdef CONFIG_INOTIFY_USER
- #include <linux/inotify.h>
- #endif
- @@ -257,6 +261,15 @@
- .mode = 0555,
- .child = dev_table,
- },
- +#ifdef CONFIG_FB_CON_DECOR
- + {
- + .procname = "fbcondecor",
- + .data = &fbcon_decor_path,
- + .maxlen = KMOD_PATH_LEN,
- + .mode = 0644,
- + .proc_handler = &proc_dostring,
- + },
- +#endif
- { }
- };
-
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