* for more details.
*/
-#include <linux/config.h>
#include <linux/module.h>
+#include <linux/compat.h>
#include <linux/types.h>
#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/mman.h>
-#include <linux/tty.h>
+#include <linux/vt.h>
#include <linux/init.h>
#include <linux/linux_logo.h>
#include <linux/proc_fs.h>
#ifdef CONFIG_KMOD
#include <linux/kmod.h>
#endif
-#include <linux/devfs_fs_kernel.h>
#include <linux/err.h>
-#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/efi.h>
#define FBPIXMAPSIZE (1024 * 8)
-static struct notifier_block *fb_notifier_list;
-struct fb_info *registered_fb[FB_MAX];
-int num_registered_fb;
+struct fb_info *registered_fb[FB_MAX] __read_mostly;
+int num_registered_fb __read_mostly;
/*
* Helpers
}
#ifdef CONFIG_LOGO
-#include <linux/linux_logo.h>
static inline unsigned safe_shift(unsigned d, int n)
{
const struct linux_logo *logo,
u32 *palette)
{
- unsigned char mask[9] = { 0,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff };
+ static const unsigned char mask[] = { 0,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff };
unsigned char redmask, greenmask, bluemask;
int redshift, greenshift, blueshift;
int i;
int needs_truepalette;
int needs_cmapreset;
const struct linux_logo *logo;
-} fb_logo;
+} fb_logo __read_mostly;
static void fb_rotate_logo_ud(const u8 *in, u8 *out, u32 width, u32 height)
{
static void fb_rotate_logo_cw(const u8 *in, u8 *out, u32 width, u32 height)
{
- int i, j, w = width - 1;
+ int i, j, h = height - 1;
for (i = 0; i < height; i++)
for (j = 0; j < width; j++)
- out[height * j + w - i] = *in++;
+ out[height * j + h - i] = *in++;
}
static void fb_rotate_logo_ccw(const u8 *in, u8 *out, u32 width, u32 height)
u32 tmp;
if (rotate == FB_ROTATE_UD) {
- image->dx = info->var.xres - image->width;
- image->dy = info->var.yres - image->height;
fb_rotate_logo_ud(image->data, dst, image->width,
image->height);
+ image->dx = info->var.xres - image->width - image->dx;
+ image->dy = info->var.yres - image->height - image->dy;
} else if (rotate == FB_ROTATE_CW) {
- tmp = image->width;
- image->width = image->height;
- image->height = tmp;
- image->dx = info->var.xres - image->height;
fb_rotate_logo_cw(image->data, dst, image->width,
image->height);
- } else if (rotate == FB_ROTATE_CCW) {
tmp = image->width;
image->width = image->height;
image->height = tmp;
- image->dy = info->var.yres - image->width;
+ tmp = image->dy;
+ image->dy = image->dx;
+ image->dx = info->var.xres - image->width - tmp;
+ } else if (rotate == FB_ROTATE_CCW) {
fb_rotate_logo_ccw(image->data, dst, image->width,
image->height);
+ tmp = image->width;
+ image->width = image->height;
+ image->height = tmp;
+ tmp = image->dx;
+ image->dx = image->dy;
+ image->dy = info->var.yres - image->height - tmp;
}
image->data = dst;
}
static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
- int rotate)
+ int rotate, unsigned int num)
{
- int x;
+ unsigned int x;
if (rotate == FB_ROTATE_UR) {
- for (x = 0; x < num_online_cpus() &&
- x * (fb_logo.logo->width + 8) <=
- info->var.xres - fb_logo.logo->width; x++) {
+ for (x = 0;
+ x < num && image->dx + image->width <= info->var.xres;
+ x++) {
info->fbops->fb_imageblit(info, image);
- image->dx += fb_logo.logo->width + 8;
+ image->dx += image->width + 8;
}
} else if (rotate == FB_ROTATE_UD) {
- for (x = 0; x < num_online_cpus() &&
- x * (fb_logo.logo->width + 8) <=
- info->var.xres - fb_logo.logo->width; x++) {
+ for (x = 0; x < num && image->dx >= 0; x++) {
info->fbops->fb_imageblit(info, image);
- image->dx -= fb_logo.logo->width + 8;
+ image->dx -= image->width + 8;
}
} else if (rotate == FB_ROTATE_CW) {
- for (x = 0; x < num_online_cpus() &&
- x * (fb_logo.logo->width + 8) <=
- info->var.yres - fb_logo.logo->width; x++) {
+ for (x = 0;
+ x < num && image->dy + image->height <= info->var.yres;
+ x++) {
info->fbops->fb_imageblit(info, image);
- image->dy += fb_logo.logo->width + 8;
+ image->dy += image->height + 8;
}
} else if (rotate == FB_ROTATE_CCW) {
- for (x = 0; x < num_online_cpus() &&
- x * (fb_logo.logo->width + 8) <=
- info->var.yres - fb_logo.logo->width; x++) {
+ for (x = 0; x < num && image->dy >= 0; x++) {
info->fbops->fb_imageblit(info, image);
- image->dy -= fb_logo.logo->width + 8;
+ image->dy -= image->height + 8;
}
}
}
memset(&fb_logo, 0, sizeof(struct logo_data));
- if (info->flags & FBINFO_MISC_TILEBLITTING)
+ if (info->flags & FBINFO_MISC_TILEBLITTING ||
+ info->flags & FBINFO_MODULE)
return 0;
if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
depth = info->var.green.length;
}
+ if (info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR && depth > 4) {
+ /* assume console colormap */
+ depth = 4;
+ }
+
if (depth >= 8) {
switch (info->fix.visual) {
case FB_VISUAL_TRUECOLOR:
/* Return if no suitable logo was found */
fb_logo.logo = fb_find_logo(depth);
+
+ if (!fb_logo.logo) {
+ return 0;
+ }
if (rotate == FB_ROTATE_UR || rotate == FB_ROTATE_UD)
yres = info->var.yres;
else
yres = info->var.xres;
- if (fb_logo.logo && fb_logo.logo->height > yres) {
+ if (fb_logo.logo->height > yres) {
fb_logo.logo = NULL;
return 0;
}
struct fb_image image;
/* Return if the frame buffer is not mapped or suspended */
- if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING)
+ if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING ||
+ info->flags & FBINFO_MODULE)
return 0;
image.depth = 8;
fb_rotate_logo(info, logo_rotate, &image, rotate);
}
- fb_do_show_logo(info, &image, rotate);
+ fb_do_show_logo(info, &image, rotate, num_online_cpus());
kfree(palette);
if (saved_pseudo_palette != NULL)
int clen;
clen = 0;
- for (fi = registered_fb; fi < ®istered_fb[FB_MAX] && len < 4000; fi++)
+ for (fi = registered_fb; fi < ®istered_fb[FB_MAX] && clen < 4000;
+ fi++)
if (*fi)
clen += sprintf(buf + clen, "%d %s\n",
(*fi)->node,
fb_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
u32 *buffer, *dst;
return info->fbops->fb_read(file, buf, count, ppos);
total_size = info->screen_size;
+
if (total_size == 0)
total_size = info->fix.smem_len;
if (p >= total_size)
- return 0;
+ return 0;
+
if (count >= total_size)
- count = total_size;
+ count = total_size;
+
if (count + p > total_size)
count = total_size - p;
- cnt = 0;
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
GFP_KERNEL);
if (!buffer)
}
kfree(buffer);
+
return (err) ? err : cnt;
}
fb_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
unsigned long p = *ppos;
- struct inode *inode = file->f_dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
u32 *buffer, *src;
u32 __iomem *dst;
- int c, i, cnt = 0, err;
+ int c, i, cnt = 0, err = 0;
unsigned long total_size;
if (!info || !info->screen_base)
return info->fbops->fb_write(file, buf, count, ppos);
total_size = info->screen_size;
+
if (total_size == 0)
total_size = info->fix.smem_len;
if (p > total_size)
- return -ENOSPC;
- if (count >= total_size)
- count = total_size;
- err = 0;
+ return -EFBIG;
+
+ if (count > total_size) {
+ err = -EFBIG;
+ count = total_size;
+ }
+
if (count + p > total_size) {
- count = total_size - p;
- err = -ENOSPC;
+ if (!err)
+ err = -ENOSPC;
+
+ count = total_size - p;
}
- cnt = 0;
+
buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count,
GFP_KERNEL);
if (!buffer)
while (count) {
c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
src = buffer;
+
if (copy_from_user(src, buf, c)) {
err = -EFAULT;
break;
}
+
for (i = c >> 2; i--; )
fb_writel(*src++, dst++);
+
if (c & 3) {
u8 *src8 = (u8 *) src;
u8 __iomem *dst8 = (u8 __iomem *) dst;
dst = (u32 __iomem *) dst8;
}
+
*ppos += c;
buf += c;
cnt += c;
count -= c;
}
+
kfree(buffer);
- return (err) ? err : cnt;
+ return (cnt) ? cnt : err;
}
#ifdef CONFIG_KMOD
int
fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
{
+ struct fb_fix_screeninfo *fix = &info->fix;
int xoffset = var->xoffset;
int yoffset = var->yoffset;
- int err;
+ int err = 0, yres = info->var.yres;
+
+ if (var->yoffset > 0) {
+ if (var->vmode & FB_VMODE_YWRAP) {
+ if (!fix->ywrapstep || (var->yoffset % fix->ywrapstep))
+ err = -EINVAL;
+ else
+ yres = 0;
+ } else if (!fix->ypanstep || (var->yoffset % fix->ypanstep))
+ err = -EINVAL;
+ }
+
+ if (var->xoffset > 0 && (!fix->xpanstep ||
+ (var->xoffset % fix->xpanstep)))
+ err = -EINVAL;
+
+ if (err || !info->fbops->fb_pan_display || xoffset < 0 ||
+ yoffset < 0 || var->yoffset + yres > info->var.yres_virtual ||
+ var->xoffset + info->var.xres > info->var.xres_virtual)
+ return -EINVAL;
- if (xoffset < 0 || yoffset < 0 || !info->fbops->fb_pan_display ||
- xoffset + info->var.xres > info->var.xres_virtual ||
- yoffset + info->var.yres > info->var.yres_virtual)
- return -EINVAL;
if ((err = info->fbops->fb_pan_display(var, info)))
return err;
info->var.xoffset = var->xoffset;
event.info = info;
event.data = &mode1;
- ret = notifier_call_chain(&fb_notifier_list,
- FB_EVENT_MODE_DELETE, &event);
+ ret = fb_notifier_call_chain(FB_EVENT_MODE_DELETE, &event);
}
if (!ret)
info->flags &= ~FBINFO_MISC_USEREVENT;
event.info = info;
- notifier_call_chain(&fb_notifier_list, evnt,
- &event);
+ fb_notifier_call_chain(evnt, &event);
}
}
}
event.info = info;
event.data = ␣
- notifier_call_chain(&fb_notifier_list, FB_EVENT_BLANK, &event);
+ fb_notifier_call_chain(FB_EVENT_BLANK, &event);
}
return ret;
con2fb.framebuffer = -1;
event.info = info;
event.data = &con2fb;
- notifier_call_chain(&fb_notifier_list,
- FB_EVENT_GET_CONSOLE_MAP, &event);
+ fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
return copy_to_user(argp, &con2fb,
sizeof(con2fb)) ? -EFAULT : 0;
case FBIOPUT_CON2FBMAP:
return -EINVAL;
event.info = info;
event.data = &con2fb;
- return notifier_call_chain(&fb_notifier_list,
- FB_EVENT_SET_CONSOLE_MAP,
- &event);
+ return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
+ &event);
case FBIOBLANK:
acquire_console_sem();
info->flags |= FBINFO_MISC_USEREVENT;
default:
if (fb->fb_ioctl == NULL)
return -EINVAL;
- return fb->fb_ioctl(inode, file, cmd, arg, info);
+ return fb->fb_ioctl(info, cmd, arg);
}
}
#ifdef CONFIG_COMPAT
+struct fb_fix_screeninfo32 {
+ char id[16];
+ compat_caddr_t smem_start;
+ u32 smem_len;
+ u32 type;
+ u32 type_aux;
+ u32 visual;
+ u16 xpanstep;
+ u16 ypanstep;
+ u16 ywrapstep;
+ u32 line_length;
+ compat_caddr_t mmio_start;
+ u32 mmio_len;
+ u32 accel;
+ u16 reserved[3];
+};
+
+struct fb_cmap32 {
+ u32 start;
+ u32 len;
+ compat_caddr_t red;
+ compat_caddr_t green;
+ compat_caddr_t blue;
+ compat_caddr_t transp;
+};
+
+static int fb_getput_cmap(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct fb_cmap_user __user *cmap;
+ struct fb_cmap32 __user *cmap32;
+ __u32 data;
+ int err;
+
+ cmap = compat_alloc_user_space(sizeof(*cmap));
+ cmap32 = compat_ptr(arg);
+
+ if (copy_in_user(&cmap->start, &cmap32->start, 2 * sizeof(__u32)))
+ return -EFAULT;
+
+ if (get_user(data, &cmap32->red) ||
+ put_user(compat_ptr(data), &cmap->red) ||
+ get_user(data, &cmap32->green) ||
+ put_user(compat_ptr(data), &cmap->green) ||
+ get_user(data, &cmap32->blue) ||
+ put_user(compat_ptr(data), &cmap->blue) ||
+ get_user(data, &cmap32->transp) ||
+ put_user(compat_ptr(data), &cmap->transp))
+ return -EFAULT;
+
+ err = fb_ioctl(inode, file, cmd, (unsigned long) cmap);
+
+ if (!err) {
+ if (copy_in_user(&cmap32->start,
+ &cmap->start,
+ 2 * sizeof(__u32)))
+ err = -EFAULT;
+ }
+ return err;
+}
+
+static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix,
+ struct fb_fix_screeninfo32 __user *fix32)
+{
+ __u32 data;
+ int err;
+
+ err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id));
+
+ data = (__u32) (unsigned long) fix->smem_start;
+ err |= put_user(data, &fix32->smem_start);
+
+ err |= put_user(fix->smem_len, &fix32->smem_len);
+ err |= put_user(fix->type, &fix32->type);
+ err |= put_user(fix->type_aux, &fix32->type_aux);
+ err |= put_user(fix->visual, &fix32->visual);
+ err |= put_user(fix->xpanstep, &fix32->xpanstep);
+ err |= put_user(fix->ypanstep, &fix32->ypanstep);
+ err |= put_user(fix->ywrapstep, &fix32->ywrapstep);
+ err |= put_user(fix->line_length, &fix32->line_length);
+
+ data = (__u32) (unsigned long) fix->mmio_start;
+ err |= put_user(data, &fix32->mmio_start);
+
+ err |= put_user(fix->mmio_len, &fix32->mmio_len);
+ err |= put_user(fix->accel, &fix32->accel);
+ err |= copy_to_user(fix32->reserved, fix->reserved,
+ sizeof(fix->reserved));
+
+ return err;
+}
+
+static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ mm_segment_t old_fs;
+ struct fb_fix_screeninfo fix;
+ struct fb_fix_screeninfo32 __user *fix32;
+ int err;
+
+ fix32 = compat_ptr(arg);
+
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ err = fb_ioctl(inode, file, cmd, (unsigned long) &fix);
+ set_fs(old_fs);
+
+ if (!err)
+ err = do_fscreeninfo_to_user(&fix, fix32);
+
+ return err;
+}
+
static long
fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- int fbidx = iminor(file->f_dentry->d_inode);
+ struct inode *inode = file->f_path.dentry->d_inode;
+ int fbidx = iminor(inode);
struct fb_info *info = registered_fb[fbidx];
struct fb_ops *fb = info->fbops;
- long ret;
+ long ret = -ENOIOCTLCMD;
- if (fb->fb_compat_ioctl == NULL)
- return -ENOIOCTLCMD;
lock_kernel();
- ret = fb->fb_compat_ioctl(file, cmd, arg, info);
+ switch(cmd) {
+ case FBIOGET_VSCREENINFO:
+ case FBIOPUT_VSCREENINFO:
+ case FBIOPAN_DISPLAY:
+ case FBIOGET_CON2FBMAP:
+ case FBIOPUT_CON2FBMAP:
+ arg = (unsigned long) compat_ptr(arg);
+ case FBIOBLANK:
+ ret = fb_ioctl(inode, file, cmd, arg);
+ break;
+
+ case FBIOGET_FSCREENINFO:
+ ret = fb_get_fscreeninfo(inode, file, cmd, arg);
+ break;
+
+ case FBIOGETCMAP:
+ case FBIOPUTCMAP:
+ ret = fb_getput_cmap(inode, file, cmd, arg);
+ break;
+
+ default:
+ if (fb->fb_compat_ioctl)
+ ret = fb->fb_compat_ioctl(info, cmd, arg);
+ break;
+ }
unlock_kernel();
return ret;
}
static int
fb_mmap(struct file *file, struct vm_area_struct * vma)
{
- int fbidx = iminor(file->f_dentry->d_inode);
+ int fbidx = iminor(file->f_path.dentry->d_inode);
struct fb_info *info = registered_fb[fbidx];
struct fb_ops *fb = info->fbops;
unsigned long off;
if (fb->fb_mmap) {
int res;
lock_kernel();
- res = fb->fb_mmap(info, file, vma);
+ res = fb->fb_mmap(info, vma);
unlock_kernel();
return res;
}
vma->vm_pgoff = off >> PAGE_SHIFT;
/* This is an IO map - tell maydump to skip this VMA */
vma->vm_flags |= VM_IO | VM_RESERVED;
-#if defined(__sparc_v9__)
- if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
-#else
#if defined(__mc68000__)
#if defined(CONFIG_SUN3)
pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
#elif defined(__i386__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3)
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
-#elif defined(__mips__)
+#elif defined(__mips__) || defined(__sparc_v9__)
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
#elif defined(__hppa__)
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
vma->vm_end - vma->vm_start, vma->vm_page_prot))
return -EAGAIN;
-#endif /* !__sparc_v9__ */
return 0;
#endif /* !sparc32 */
}
return -ENODEV;
if (!try_module_get(info->fbops->owner))
return -ENODEV;
+ file->private_data = info;
if (info->fbops->fb_open) {
res = info->fbops->fb_open(info,1);
if (res)
static int
fb_release(struct inode *inode, struct file *file)
{
- int fbidx = iminor(inode);
- struct fb_info *info;
+ struct fb_info * const info = file->private_data;
lock_kernel();
- info = registered_fb[fbidx];
if (info->fbops->fb_release)
info->fbops->fb_release(info,1);
module_put(info->fbops->owner);
return 0;
}
-static struct file_operations fb_fops = {
+static const struct file_operations fb_fops = {
.owner = THIS_MODULE,
.read = fb_read,
.write = fb_write,
#ifdef HAVE_ARCH_FB_UNMAPPED_AREA
.get_unmapped_area = get_fb_unmapped_area,
#endif
+#ifdef CONFIG_FB_DEFERRED_IO
+ .fsync = fb_deferred_io_fsync,
+#endif
};
-static struct class *fb_class;
-
+struct class *fb_class;
+EXPORT_SYMBOL(fb_class);
/**
* register_framebuffer - registers a frame buffer device
* @fb_info: frame buffer info structure
break;
fb_info->node = i;
- fb_info->class_device = class_device_create(fb_class, NULL, MKDEV(FB_MAJOR, i),
- fb_info->device, "fb%d", i);
- if (IS_ERR(fb_info->class_device)) {
+ fb_info->dev = device_create(fb_class, fb_info->device,
+ MKDEV(FB_MAJOR, i), "fb%d", i);
+ if (IS_ERR(fb_info->dev)) {
/* Not fatal */
- printk(KERN_WARNING "Unable to create class_device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->class_device));
- fb_info->class_device = NULL;
+ printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev));
+ fb_info->dev = NULL;
} else
- fb_init_class_device(fb_info);
+ fb_init_device(fb_info);
if (fb_info->pixmap.addr == NULL) {
fb_info->pixmap.addr = kmalloc(FBPIXMAPSIZE, GFP_KERNEL);
fb_add_videomode(&mode, &fb_info->modelist);
registered_fb[i] = fb_info;
- devfs_mk_cdev(MKDEV(FB_MAJOR, i),
- S_IFCHR | S_IRUGO | S_IWUGO, "fb/%d", i);
event.info = fb_info;
- notifier_call_chain(&fb_notifier_list,
- FB_EVENT_FB_REGISTERED, &event);
+ fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
return 0;
}
int
unregister_framebuffer(struct fb_info *fb_info)
{
+ struct fb_event event;
int i;
i = fb_info->node;
if (!registered_fb[i])
return -EINVAL;
- devfs_remove("fb/%d", i);
- if (fb_info->pixmap.addr && (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT))
+ if (fb_info->pixmap.addr &&
+ (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT))
kfree(fb_info->pixmap.addr);
fb_destroy_modelist(&fb_info->modelist);
registered_fb[i]=NULL;
num_registered_fb--;
- fb_cleanup_class_device(fb_info);
- class_device_destroy(fb_class, MKDEV(FB_MAJOR, i));
+ fb_cleanup_device(fb_info);
+ device_destroy(fb_class, MKDEV(FB_MAJOR, i));
+ event.info = fb_info;
+ fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
return 0;
}
/**
- * fb_register_client - register a client notifier
- * @nb: notifier block to callback on events
- */
-int fb_register_client(struct notifier_block *nb)
-{
- return notifier_chain_register(&fb_notifier_list, nb);
-}
-
-/**
- * fb_unregister_client - unregister a client notifier
- * @nb: notifier block to callback on events
- */
-int fb_unregister_client(struct notifier_block *nb)
-{
- return notifier_chain_unregister(&fb_notifier_list, nb);
-}
-
-/**
* fb_set_suspend - low level driver signals suspend
* @info: framebuffer affected
* @state: 0 = resuming, !=0 = suspending
event.info = info;
if (state) {
- notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, &event);
+ fb_notifier_call_chain(FB_EVENT_SUSPEND, &event);
info->state = FBINFO_STATE_SUSPENDED;
} else {
info->state = FBINFO_STATE_RUNNING;
- notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, &event);
+ fb_notifier_call_chain(FB_EVENT_RESUME, &event);
}
}
{
create_proc_read_entry("fb", 0, NULL, fbmem_read_proc, NULL);
- devfs_mk_dir("fb");
if (register_chrdev(FB_MAJOR,"fb",&fb_fops))
printk("unable to get major %d for fb devs\n", FB_MAJOR);
if (!list_empty(&info->modelist)) {
event.info = info;
- err = notifier_call_chain(&fb_notifier_list,
- FB_EVENT_NEW_MODELIST,
- &event);
+ err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
}
return err;
}
-/**
- * fb_con_duit - user<->fbcon passthrough
- * @info: struct fb_info
- * @event: notification event to be passed to fbcon
- * @data: private data
- *
- * DESCRIPTION
- * This function is an fbcon-user event passing channel
- * which bypasses fbdev. This is hopefully temporary
- * until a user interface for fbcon is created
- */
-int fb_con_duit(struct fb_info *info, int event, void *data)
-{
- struct fb_event evnt;
-
- evnt.info = info;
- evnt.data = data;
-
- return notifier_call_chain(&fb_notifier_list, event, &evnt);
-}
-EXPORT_SYMBOL(fb_con_duit);
-
-static char *video_options[FB_MAX];
-static int ofonly;
+static char *video_options[FB_MAX] __read_mostly;
+static int ofonly __read_mostly;
extern const char *global_mode_option;
return retval;
}
+#ifndef MODULE
/**
* video_setup - process command line options
* @options: string of options
}
}
- return 0;
+ return 1;
}
__setup("video=", video_setup);
+#endif
/*
* Visible symbols for modules
EXPORT_SYMBOL(fb_pan_display);
EXPORT_SYMBOL(fb_get_buffer_offset);
EXPORT_SYMBOL(fb_set_suspend);
-EXPORT_SYMBOL(fb_register_client);
-EXPORT_SYMBOL(fb_unregister_client);
EXPORT_SYMBOL(fb_get_options);
-EXPORT_SYMBOL(fb_new_modelist);
MODULE_LICENSE("GPL");