diff options
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index 31527e17076..330c4b1bfca 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -123,6 +123,7 @@ struct dentry; #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ +#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ @@ -172,8 +173,12 @@ struct fb_fix_screeninfo { /* Interpretation of offset for color fields: All offsets are from the right, * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you * can use the offset as right argument to <<). A pixel afterwards is a bit - * stream and is written to video memory as that unmodified. This implies - * big-endian byte order if bits_per_pixel is greater than 8. + * stream and is written to video memory as that unmodified. + * + * For pseudocolor: offset and length should be the same for all color + * components. Offset specifies the position of the least significant bit + * of the pallette index in a pixel value. Length indicates the number + * of available palette entries (i.e. # of entries = 1 << length). */ struct fb_bitfield { __u32 offset; /* beginning of bitfield */ @@ -960,15 +965,7 @@ extern struct fb_info *registered_fb[FB_MAX]; extern int num_registered_fb; extern struct class *fb_class; -static inline int lock_fb_info(struct fb_info *info) -{ - mutex_lock(&info->lock); - if (!info->fbops) { - mutex_unlock(&info->lock); - return 0; - } - return 1; -} +extern int lock_fb_info(struct fb_info *info); static inline void unlock_fb_info(struct fb_info *info) { |