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Diffstat (limited to 'include/linux/fb.h')
-rw-r--r--include/linux/fb.h73
1 files changed, 30 insertions, 43 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h
index ce7d588edc3e..94e2c44c6569 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -383,7 +383,6 @@ struct fb_tile_ops {
#endif /* CONFIG_FB_TILEBLITTING */
/* FBINFO_* = fb_info.flags bit flags */
-#define FBINFO_DEFAULT 0
#define FBINFO_HWACCEL_DISABLED 0x0002
/* When FBINFO_HWACCEL_DISABLED is set:
* Hardware acceleration is turned off. Software implementations
@@ -481,7 +480,9 @@ struct fb_info {
const struct fb_ops *fbops;
struct device *device; /* This is the parent */
+#if defined(CONFIG_FB_DEVICE)
struct device *dev; /* This is this fb device */
+#endif
int class_flag; /* private sysfs flags */
#ifdef CONFIG_FB_TILEBLITTING
struct fb_tile_ops *tileops; /* Tile Blitting */
@@ -502,8 +503,6 @@ struct fb_info {
bool skip_vt_switch; /* no VT switch on suspend/resume required */
};
-#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
-
/* This will go away
* fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
* when it wants to turn the acceleration engine on. This is
@@ -527,7 +526,7 @@ extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
extern int fb_blank(struct fb_info *info, int blank);
/*
- * Drawing operations where framebuffer is in I/O memory
+ * Helpers for framebuffers in I/O memory
*/
extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
@@ -538,29 +537,25 @@ extern ssize_t fb_io_read(struct fb_info *info, char __user *buf,
extern ssize_t fb_io_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos);
-/*
- * Initializes struct fb_ops for framebuffers in I/O memory.
- */
-
-#define __FB_DEFAULT_IO_OPS_RDWR \
+#define __FB_DEFAULT_IOMEM_OPS_RDWR \
.fb_read = fb_io_read, \
.fb_write = fb_io_write
-#define __FB_DEFAULT_IO_OPS_DRAW \
+#define __FB_DEFAULT_IOMEM_OPS_DRAW \
.fb_fillrect = cfb_fillrect, \
.fb_copyarea = cfb_copyarea, \
.fb_imageblit = cfb_imageblit
-#define __FB_DEFAULT_IO_OPS_MMAP \
+#define __FB_DEFAULT_IOMEM_OPS_MMAP \
.fb_mmap = NULL /* default implementation */
-#define FB_DEFAULT_IO_OPS \
- __FB_DEFAULT_IO_OPS_RDWR, \
- __FB_DEFAULT_IO_OPS_DRAW, \
- __FB_DEFAULT_IO_OPS_MMAP
+#define FB_DEFAULT_IOMEM_OPS \
+ __FB_DEFAULT_IOMEM_OPS_RDWR, \
+ __FB_DEFAULT_IOMEM_OPS_DRAW, \
+ __FB_DEFAULT_IOMEM_OPS_MMAP
/*
- * Drawing operations where framebuffer is in system RAM
+ * Helpers for framebuffers in system memory
*/
extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
@@ -571,32 +566,31 @@ extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos);
+#define __FB_DEFAULT_SYSMEM_OPS_RDWR \
+ .fb_read = fb_sys_read, \
+ .fb_write = fb_sys_write
+
+#define __FB_DEFAULT_SYSMEM_OPS_DRAW \
+ .fb_fillrect = sys_fillrect, \
+ .fb_copyarea = sys_copyarea, \
+ .fb_imageblit = sys_imageblit
+
/*
- * Initializes struct fb_ops for framebuffers in system memory.
+ * Helpers for framebuffers in DMA-able memory
*/
-#define __FB_DEFAULT_SYS_OPS_RDWR \
+#define __FB_DEFAULT_DMAMEM_OPS_RDWR \
.fb_read = fb_sys_read, \
.fb_write = fb_sys_write
-#define __FB_DEFAULT_SYS_OPS_DRAW \
+#define __FB_DEFAULT_DMAMEM_OPS_DRAW \
.fb_fillrect = sys_fillrect, \
.fb_copyarea = sys_copyarea, \
.fb_imageblit = sys_imageblit
-#define __FB_DEFAULT_SYS_OPS_MMAP \
- .fb_mmap = NULL /* default implementation */
-
-#define FB_DEFAULT_SYS_OPS \
- __FB_DEFAULT_SYS_OPS_RDWR, \
- __FB_DEFAULT_SYS_OPS_DRAW, \
- __FB_DEFAULT_SYS_OPS_MMAP
-
-/* drivers/video/fbmem.c */
+/* fbmem.c */
extern int register_framebuffer(struct fb_info *fb_info);
extern void unregister_framebuffer(struct fb_info *fb_info);
-extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
-extern int fb_show_logo(struct fb_info *fb_info, int rotate);
extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
u32 height, u32 shift_high, u32 shift_low, u32 mod);
@@ -607,10 +601,6 @@ extern int fb_get_color_depth(struct fb_var_screeninfo *var,
extern int fb_get_options(const char *name, char **option);
extern int fb_new_modelist(struct fb_info *info);
-extern bool fb_center_logo;
-extern int fb_logo_count;
-extern struct class *fb_class;
-
static inline void lock_fb_info(struct fb_info *info)
{
mutex_lock(&info->lock);
@@ -636,7 +626,7 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
}
}
-/* drivers/video/fb_defio.c */
+/* fb_defio.c */
int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
extern int fb_deferred_io_init(struct fb_info *info);
extern void fb_deferred_io_open(struct fb_info *info,
@@ -687,11 +677,11 @@ extern int fb_deferred_io_fsync(struct file *file, loff_t start,
__damage_area(info, image->dx, image->dy, image->width, image->height); \
}
-#define FB_GEN_DEFAULT_DEFERRED_IO_OPS(__prefix, __damage_range, __damage_area) \
+#define FB_GEN_DEFAULT_DEFERRED_IOMEM_OPS(__prefix, __damage_range, __damage_area) \
__FB_GEN_DEFAULT_DEFERRED_OPS_RDWR(__prefix, __damage_range, io) \
__FB_GEN_DEFAULT_DEFERRED_OPS_DRAW(__prefix, __damage_area, cfb)
-#define FB_GEN_DEFAULT_DEFERRED_SYS_OPS(__prefix, __damage_range, __damage_area) \
+#define FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(__prefix, __damage_range, __damage_area) \
__FB_GEN_DEFAULT_DEFERRED_OPS_RDWR(__prefix, __damage_range, sys) \
__FB_GEN_DEFAULT_DEFERRED_OPS_DRAW(__prefix, __damage_area, sys)
@@ -735,14 +725,11 @@ static inline bool fb_be_math(struct fb_info *info)
#endif /* CONFIG_FB_FOREIGN_ENDIAN */
}
-/* drivers/video/fbsysfs.c */
extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
extern void framebuffer_release(struct fb_info *info);
-extern int fb_init_device(struct fb_info *fb_info);
-extern void fb_cleanup_device(struct fb_info *head);
extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
-/* drivers/video/fbmon.c */
+/* fbmon.c */
#define FB_MAXTIMINGS 0
#define FB_VSYNCTIMINGS 1
#define FB_HSYNCTIMINGS 2
@@ -776,7 +763,7 @@ extern int of_get_fb_videomode(struct device_node *np,
extern int fb_videomode_from_videomode(const struct videomode *vm,
struct fb_videomode *fbmode);
-/* drivers/video/modedb.c */
+/* modedb.c */
#define VESA_MODEDB_SIZE 43
#define DMT_SIZE 0x50
@@ -802,7 +789,7 @@ extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
struct list_head *head);
-/* drivers/video/fbcmap.c */
+/* fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags);
extern void fb_dealloc_cmap(struct fb_cmap *cmap);
generated by cgit (git 2.34.1) at 2025-06-04 18:23:33 +0000