diff options
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 207 |
1 files changed, 96 insertions, 111 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index d1782a6bd008..ec7e3db0c24b 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -3,6 +3,7 @@ #include <linux/tty.h> #include <asm/types.h> +#include <asm/io.h> /* Definitions of frame buffers */ @@ -17,6 +18,7 @@ #define FBIOGETCMAP 0x4604 #define FBIOPUTCMAP 0x4605 #define FBIOPAN_DISPLAY 0x4606 +#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) /* 0x4607-0x460B are defined below */ /* #define FBIOGET_MONITORSPEC 0x460C */ /* #define FBIOPUT_MONITORSPEC 0x460D */ @@ -208,7 +210,8 @@ struct fb_var_screeninfo { __u32 vsync_len; /* length of vertical sync */ __u32 sync; /* see FB_SYNC_* */ __u32 vmode; /* see FB_VMODE_* */ - __u32 reserved[6]; /* Reserved for future compatibility */ + __u32 rotate; /* angle we rotate counter clockwise */ + __u32 reserved[5]; /* Reserved for future compatibility */ }; struct fb_cmap { @@ -262,12 +265,12 @@ struct fb_vblank { #define ROP_XOR 1 struct fb_copyarea { - __u32 sx; /* screen-relative */ - __u32 sy; - __u32 width; - __u32 height; __u32 dx; __u32 dy; + __u32 width; + __u32 height; + __u32 sx; + __u32 sy; }; struct fb_fillrect { @@ -280,23 +283,45 @@ struct fb_fillrect { }; struct fb_image { - __u32 width; /* Size of image */ + __u32 dx; /* Where to place image */ + __u32 dy; + __u32 width; /* Size of image */ __u32 height; - __u16 dx; /* Where to place image */ - __u16 dy; - __u32 fg_color; /* Only used when a mono bitmap */ + __u32 fg_color; /* Only used when a mono bitmap */ __u32 bg_color; - __u8 depth; /* Dpeth of the image */ - char *data; /* Pointer to image data */ + __u8 depth; /* Depth of the image */ + char *data; /* Pointer to image data */ + struct fb_cmap cmap; /* color map info */ }; -#ifdef __KERNEL__ +/* + * hardware cursor control + */ -#if 1 /* to go away in 2.5.0 */ -extern int GET_FB_IDX(kdev_t rdev); -#else -#define GET_FB_IDX(node) (minor(node)) -#endif +#define FB_CUR_SETCUR 0x01 +#define FB_CUR_SETPOS 0x02 +#define FB_CUR_SETHOT 0x04 +#define FB_CUR_SETCMAP 0x08 +#define FB_CUR_SETSHAPE 0x10 +#define FB_CUR_SETDEST 0x20 +#define FB_CUR_SETSIZE 0x40 +#define FB_CUR_SETALL 0xFF + +struct fbcurpos { + __u16 x, y; +}; + +struct fb_cursor { + __u16 set; /* what to set */ + __u16 enable; /* cursor on/off */ + __u16 rop; /* bitop operation */ + char *mask; /* cursor mask bits */ + char *dest; /* destination */ + struct fbcurpos hot; /* cursor hot spot */ + struct fb_image image; /* Cursor image */ +}; + +#ifdef __KERNEL__ #include <linux/fs.h> #include <linux/poll.h> @@ -316,15 +341,9 @@ struct fb_ops { struct module *owner; int (*fb_open)(struct fb_info *info, int user); int (*fb_release)(struct fb_info *info, int user); - /* set settable parameters */ - int (*fb_set_var)(struct fb_var_screeninfo *var, int con, - struct fb_info *info); - /* get colormap */ - int (*fb_get_cmap)(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); - /* set colormap */ - int (*fb_set_cmap)(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); + /* For framebuffers with strange non linear layouts */ + ssize_t (*fb_read)(struct file *file, char *buf, size_t count, loff_t *ppos); + ssize_t (*fb_write)(struct file *file, const char *buf, size_t count, loff_t *ppos); /* checks var and creates a par based on it */ int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); /* set the video mode according to par */ @@ -335,26 +354,29 @@ struct fb_ops { /* blank display */ int (*fb_blank)(int blank, struct fb_info *info); /* pan display */ - int (*fb_pan_display)(struct fb_var_screeninfo *var, int con, struct fb_info *info); + int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); /* draws a rectangle */ void (*fb_fillrect)(struct fb_info *info, struct fb_fillrect *rect); /* Copy data from area to another */ void (*fb_copyarea)(struct fb_info *info, struct fb_copyarea *region); /* Draws a image to the display */ void (*fb_imageblit)(struct fb_info *info, struct fb_image *image); + /* Draws cursor */ + int (*fb_cursor)(struct fb_info *info, struct fb_cursor *cursor); + /* Rotates the display */ + void (*fb_rotate)(struct fb_info *info, int angle); /* perform polling on fb device */ int (*fb_poll)(struct fb_info *info, poll_table *wait); + /* wait for blit idle, optional */ + int (*fb_sync)(struct fb_info *info); /* perform fb specific ioctl (optional) */ int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg, int con, struct fb_info *info); + unsigned long arg, struct fb_info *info); /* perform fb specific mmap */ int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma); - /* switch to/from raster image mode */ - int (*fb_rasterimg)(struct fb_info *info, int start); }; struct fb_info { - char modename[40]; /* default video mode */ kdev_t node; int flags; int open; /* Has this been open already ? */ @@ -362,20 +384,14 @@ struct fb_info { struct fb_var_screeninfo var; /* Current var */ struct fb_fix_screeninfo fix; /* Current fix */ struct fb_monspecs monspecs; /* Current Monitor specs */ + struct fb_cursor cursor; /* Current cursor */ struct fb_cmap cmap; /* Current cmap */ struct fb_ops *fbops; char *screen_base; /* Virtual address */ - struct display *disp; /* initial display variable */ struct vc_data *display_fg; /* Console visible on this display */ int currcon; /* Current VC. */ - char fontname[40]; /* default font name */ devfs_handle_t devfs_handle; /* Devfs handle for new name */ devfs_handle_t devfs_lhandle; /* Devfs handle for compat. symlink */ - int (*changevar)(int); /* tell console var has changed */ - int (*switch_con)(int, struct fb_info*); - /* tell fb to switch consoles */ - int (*updatevar)(int, struct fb_info*); - /* tell fb to update the vars */ void *pseudo_palette; /* Fake palette of 16 colors and the cursor's color for non palette mode */ @@ -389,31 +405,53 @@ struct fb_info { #define FBINFO_FLAG_DEFAULT 0 #endif - /* - * `Generic' versions of the frame buffer device operations - */ +#if defined(__sparc__) -extern int gen_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -extern int gen_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -extern int gen_set_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -extern int fb_pan_display(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -extern void cfb_fillrect(struct fb_info *info, struct fb_fillrect *rect); -extern void cfb_copyarea(struct fb_info *info, struct fb_copyarea *region); -extern void cfb_imageblit(struct fb_info *info, struct fb_image *image); +/* We map all of our framebuffers such that big-endian accesses + * are what we want, so the following is sufficient. + */ + +#define fb_readb sbus_readb +#define fb_readw sbus_readw +#define fb_readl sbus_readl +#define fb_writeb sbus_writeb +#define fb_writew sbus_writew +#define fb_writel sbus_writel +#define fb_memset sbus_memset_io + +#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) + +#define fb_readb __raw_readb +#define fb_readw __raw_readw +#define fb_readl __raw_readl +#define fb_writeb __raw_writeb +#define fb_writew __raw_writew +#define fb_writel __raw_writel +#define fb_memset memset_io + +#else + +#define fb_readb(addr) (*(volatile u8 *) (addr)) +#define fb_readw(addr) (*(volatile u16 *) (addr)) +#define fb_readl(addr) (*(volatile u32 *) (addr)) +#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) +#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) +#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) +#define fb_memset memset + +#endif /* - * Helper functions + * `Generic' versions of the frame buffer device operations */ -extern void do_install_cmap(int con, struct fb_info *info); -extern int gen_update_var(int con, struct fb_info *info); +extern int fb_set_var(struct fb_var_screeninfo *var, struct fb_info *info); +extern int fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info); extern int fb_blank(int blank, struct fb_info *info); -extern int gen_switch(int con, struct fb_info *info); -extern void gen_set_disp(int con, struct fb_info *info); +extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor); +extern void cfb_fillrect(struct fb_info *info, struct fb_fillrect *rect); +extern void cfb_copyarea(struct fb_info *info, struct fb_copyarea *area); +extern void cfb_imageblit(struct fb_info *info, struct fb_image *image); /* drivers/video/fbmem.c */ extern int register_framebuffer(struct fb_info *fb_info); @@ -429,12 +467,9 @@ extern int fbmon_dpms(const struct fb_info *fb_info); /* drivers/video/fbcmap.c */ extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); +extern void fb_dealloc_cmap(struct fb_cmap *cmap); extern void fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto); -extern int fb_get_cmap(struct fb_cmap *cmap, int kspc, - int (*getcolreg)(u_int, u_int *, u_int *, u_int *, - u_int *, struct fb_info *), - struct fb_info *fb_info); extern int fb_set_cmap(struct fb_cmap *cmap, int kspc, struct fb_info *fb_info); extern struct fb_cmap *fb_default_cmap(int len); extern void fb_invert_cmaps(void); @@ -493,54 +528,4 @@ extern int __init fb_find_mode(struct fb_var_screeninfo *var, #endif /* __KERNEL__ */ -#if 1 - -#define FBCMD_GET_CURRENTPAR 0xDEAD0005 -#define FBCMD_SET_CURRENTPAR 0xDEAD8005 - -#endif - - -#if 1 /* Preliminary */ - - /* - * Hardware Cursor - */ - -#define FBIOGET_FCURSORINFO 0x4607 -#define FBIOGET_VCURSORINFO 0x4608 -#define FBIOPUT_VCURSORINFO 0x4609 -#define FBIOGET_CURSORSTATE 0x460A -#define FBIOPUT_CURSORSTATE 0x460B - - -struct fb_fix_cursorinfo { - __u16 crsr_width; /* width and height of the cursor in */ - __u16 crsr_height; /* pixels (zero if no cursor) */ - __u16 crsr_xsize; /* cursor size in display pixels */ - __u16 crsr_ysize; - __u16 crsr_color1; /* colormap entry for cursor color1 */ - __u16 crsr_color2; /* colormap entry for cursor color2 */ -}; - -struct fb_var_cursorinfo { - __u16 width; - __u16 height; - __u16 xspot; - __u16 yspot; - __u8 data[1]; /* field with [height][width] */ -}; - -struct fb_cursorstate { - __s16 xoffset; - __s16 yoffset; - __u16 mode; -}; - -#define FB_CURSOR_OFF 0 -#define FB_CURSOR_ON 1 -#define FB_CURSOR_FLASH 2 - -#endif /* Preliminary */ - #endif /* _LINUX_FB_H */ |