diff options
Diffstat (limited to 'drivers/video/fbmem.c')
-rw-r--r-- | drivers/video/fbmem.c | 80 |
1 files changed, 16 insertions, 64 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 7705070..4ff853f 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -76,70 +76,24 @@ int fb_get_color_depth(struct fb_var_screeninfo *var) EXPORT_SYMBOL(fb_get_color_depth); /* - * Drawing helpers. + * Data padding functions. */ -void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, - u32 height) -{ - int i; - - for (i = height; i--; ) { - buf->outbuf(info, dst, src, s_pitch); - src += s_pitch; - dst += d_pitch; - } -} - -void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, - u32 height) +void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height) { int i, j; for (i = height; i--; ) { + /* s_pitch is a few bytes at the most, memcpy is suboptimal */ for (j = 0; j < s_pitch; j++) dst[j] = src[j]; src += s_pitch; dst += d_pitch; } } +EXPORT_SYMBOL(fb_pad_aligned_buffer); -void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 idx, - u32 height, u32 shift_high, u32 shift_low, - u32 mod) -{ - u8 mask = (u8) (0xfff << shift_high), tmp; - int i, j; - - for (i = height; i--; ) { - for (j = 0; j < idx; j++) { - tmp = buf->inbuf(info, dst+j); - tmp &= mask; - tmp |= *src >> shift_low; - buf->outbuf(info, dst+j, &tmp, 1); - tmp = *src << shift_high; - buf->outbuf(info, dst+j+1, &tmp, 1); - src++; - } - tmp = buf->inbuf(info, dst+idx); - tmp &= mask; - tmp |= *src >> shift_low; - buf->outbuf(info, dst+idx, &tmp, 1); - if (shift_high < mod) { - tmp = *src << shift_high; - buf->outbuf(info, dst+idx+1, &tmp, 1); - } - src++; - dst += d_pitch; - } -} - -void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf, - u8 *dst, u32 d_pitch, u8 *src, u32 idx, - u32 height, u32 shift_high, u32 shift_low, - u32 mod) +void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, u32 height, + u32 shift_high, u32 shift_low, u32 mod) { u8 mask = (u8) (0xfff << shift_high), tmp; int i, j; @@ -166,6 +120,7 @@ void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf, dst += d_pitch; } } +EXPORT_SYMBOL(fb_pad_unaligned_buffer); /* * we need to lock this section since fb_cursor @@ -673,7 +628,7 @@ fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var) int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) { - int err; + int err, flags = info->flags; if (var->activate & FB_ACTIVATE_INV_MODE) { struct fb_videomode mode1, mode2; @@ -727,7 +682,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var) !list_empty(&info->modelist)) err = fb_add_videomode(&mode, &info->modelist); - if (!err && info->flags & FBINFO_MISC_USEREVENT) { + if (!err && (flags & FBINFO_MISC_USEREVENT)) { struct fb_event event; info->flags &= ~FBINFO_MISC_USEREVENT; @@ -1040,7 +995,7 @@ static struct file_operations fb_fops = { #endif }; -static struct class_simple *fb_class; +static struct class *fb_class; /** * register_framebuffer - registers a frame buffer device @@ -1066,7 +1021,7 @@ register_framebuffer(struct fb_info *fb_info) break; fb_info->node = i; - fb_info->class_device = class_simple_device_add(fb_class, MKDEV(FB_MAJOR, i), + fb_info->class_device = class_device_create(fb_class, MKDEV(FB_MAJOR, i), fb_info->device, "fb%d", i); if (IS_ERR(fb_info->class_device)) { /* Not fatal */ @@ -1081,7 +1036,7 @@ register_framebuffer(struct fb_info *fb_info) fb_info->pixmap.size = FBPIXMAPSIZE; fb_info->pixmap.buf_align = 1; fb_info->pixmap.scan_align = 1; - fb_info->pixmap.access_align = 4; + fb_info->pixmap.access_align = 32; fb_info->pixmap.flags = FB_PIXMAP_DEFAULT; } } @@ -1134,7 +1089,7 @@ unregister_framebuffer(struct fb_info *fb_info) registered_fb[i]=NULL; num_registered_fb--; fb_cleanup_class_device(fb_info); - class_simple_device_remove(MKDEV(FB_MAJOR, i)); + class_device_destroy(fb_class, MKDEV(FB_MAJOR, i)); return 0; } @@ -1197,7 +1152,7 @@ fbmem_init(void) if (register_chrdev(FB_MAJOR,"fb",&fb_fops)) printk("unable to get major %d for fb devs\n", FB_MAJOR); - fb_class = class_simple_create(THIS_MODULE, "graphics"); + fb_class = class_create(THIS_MODULE, "graphics"); if (IS_ERR(fb_class)) { printk(KERN_WARNING "Unable to create fb class; errno = %ld\n", PTR_ERR(fb_class)); fb_class = NULL; @@ -1210,7 +1165,8 @@ module_init(fbmem_init); static void __exit fbmem_exit(void) { - class_simple_destroy(fb_class); + class_destroy(fb_class); + unregister_chrdev(FB_MAJOR, "fb"); } module_exit(fbmem_exit); @@ -1357,10 +1313,6 @@ EXPORT_SYMBOL(fb_set_var); EXPORT_SYMBOL(fb_blank); EXPORT_SYMBOL(fb_pan_display); EXPORT_SYMBOL(fb_get_buffer_offset); -EXPORT_SYMBOL(fb_iomove_buf_unaligned); -EXPORT_SYMBOL(fb_iomove_buf_aligned); -EXPORT_SYMBOL(fb_sysmove_buf_unaligned); -EXPORT_SYMBOL(fb_sysmove_buf_aligned); EXPORT_SYMBOL(fb_set_suspend); EXPORT_SYMBOL(fb_register_client); EXPORT_SYMBOL(fb_unregister_client); |