X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fvideo%2Ffbmem.c;h=08c292d9c40119e8b3970b2370b060d20b8d1d25;hb=70802c60379fb843c485dfd4cab9e8f527d8fe81;hp=a2102a543ee7320b3303ba3bf7f384f0b4509dd9;hpb=9a17917671d407d37bf23a527aa55acca3cb4735;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index a2102a5..08c292d 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -11,20 +11,18 @@ * for more details. */ -#include #include #include #include #include -#include #include #include #include #include #include #include -#include +#include #include #include #include @@ -32,7 +30,6 @@ #ifdef CONFIG_KMOD #include #endif -#include #include #include #include @@ -54,9 +51,8 @@ #define FBPIXMAPSIZE (1024 * 8) -static BLOCKING_NOTIFIER_HEAD(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 @@ -205,7 +201,7 @@ static void fb_set_logo_truepalette(struct fb_info *info, 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; @@ -320,7 +316,7 @@ static struct logo_data { 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) { @@ -358,59 +354,59 @@ static void fb_rotate_logo(struct fb_info *info, u8 *dst, if (rotate == FB_ROTATE_UD) { fb_rotate_logo_ud(image->data, dst, image->width, image->height); - image->dx = info->var.xres - image->width; - image->dy = info->var.yres - 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) { fb_rotate_logo_cw(image->data, dst, image->width, image->height); tmp = image->width; image->width = image->height; image->height = tmp; - image->dx = info->var.xres - 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; - image->dy = info->var.yres - image->height; + 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; } } } @@ -422,7 +418,8 @@ int fb_prepare_logo(struct fb_info *info, int rotate) 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) { @@ -487,7 +484,8 @@ int fb_show_logo(struct fb_info *info, int rotate) 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; @@ -536,7 +534,7 @@ int fb_show_logo(struct fb_info *info, int rotate) 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) @@ -557,7 +555,8 @@ static int fbmem_read_proc(char *buf, char **start, off_t offset, 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, @@ -574,7 +573,7 @@ static ssize_t 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; @@ -649,7 +648,7 @@ static ssize_t 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; @@ -793,8 +792,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) event.info = info; event.data = &mode1; - ret = blocking_notifier_call_chain(&fb_notifier_list, - FB_EVENT_MODE_DELETE, &event); + ret = fb_notifier_call_chain(FB_EVENT_MODE_DELETE, &event); } if (!ret) @@ -839,8 +837,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) info->flags &= ~FBINFO_MISC_USEREVENT; event.info = info; - blocking_notifier_call_chain(&fb_notifier_list, - evnt, &event); + fb_notifier_call_chain(evnt, &event); } } } @@ -863,8 +860,7 @@ fb_blank(struct fb_info *info, int blank) event.info = info; event.data = ␣ - blocking_notifier_call_chain(&fb_notifier_list, - FB_EVENT_BLANK, &event); + fb_notifier_call_chain(FB_EVENT_BLANK, &event); } return ret; @@ -935,8 +931,7 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, con2fb.framebuffer = -1; event.info = info; event.data = &con2fb; - blocking_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: @@ -954,9 +949,8 @@ fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, return -EINVAL; event.info = info; event.data = &con2fb; - return blocking_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; @@ -1088,7 +1082,7 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file, static long fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - 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]; struct fb_ops *fb = info->fbops; @@ -1128,7 +1122,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 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; @@ -1260,7 +1254,7 @@ fb_release(struct inode *inode, struct file *file) return 0; } -static struct file_operations fb_fops = { +static const struct file_operations fb_fops = { .owner = THIS_MODULE, .read = fb_read, .write = fb_write, @@ -1274,6 +1268,9 @@ static struct file_operations fb_fops = { #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 }; struct class *fb_class; @@ -1303,14 +1300,14 @@ register_framebuffer(struct fb_info *fb_info) 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); @@ -1331,11 +1328,8 @@ register_framebuffer(struct fb_info *fb_info) 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; - blocking_notifier_call_chain(&fb_notifier_list, - FB_EVENT_FB_REGISTERED, &event); + fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event); return 0; } @@ -1353,42 +1347,27 @@ register_framebuffer(struct fb_info *fb_info) 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 blocking_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 blocking_notifier_chain_unregister(&fb_notifier_list, nb); -} - -/** * fb_set_suspend - low level driver signals suspend * @info: framebuffer affected * @state: 0 = resuming, !=0 = suspending @@ -1403,13 +1382,11 @@ void fb_set_suspend(struct fb_info *info, int state) event.info = info; if (state) { - blocking_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; - blocking_notifier_call_chain(&fb_notifier_list, - FB_EVENT_RESUME, &event); + fb_notifier_call_chain(FB_EVENT_RESUME, &event); } } @@ -1427,7 +1404,6 @@ fbmem_init(void) { 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); @@ -1481,16 +1457,14 @@ int fb_new_modelist(struct fb_info *info) if (!list_empty(&info->modelist)) { event.info = info; - err = blocking_notifier_call_chain(&fb_notifier_list, - FB_EVENT_NEW_MODELIST, - &event); + err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event); } return err; } -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; @@ -1595,8 +1569,6 @@ EXPORT_SYMBOL(fb_blank); 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); MODULE_LICENSE("GPL");