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[Gc-linux-cvs] linux/include/linux fb.h,1.1,1.2
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From: <aot...@us...> - 2004-02-18 20:11:49
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Update of /cvsroot/gc-linux/linux/include/linux In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv21902/include/linux Modified Files: fb.h Log Message: Merged 2.6.3 Index: fb.h =================================================================== RCS file: /cvsroot/gc-linux/linux/include/linux/fb.h,v retrieving revision 1.1 retrieving revision 1.2 diff -u -d -r1.1 -r1.2 --- fb.h 29 Jan 2004 22:13:25 -0000 1.1 +++ fb.h 18 Feb 2004 20:01:58 -0000 1.2 @@ -1,10 +1,7 @@ #ifndef _LINUX_FB_H #define _LINUX_FB_H -#include <linux/tty.h> -#include <linux/workqueue.h> #include <asm/types.h> -#include <asm/io.h> /* Definitions of frame buffers */ @@ -326,32 +323,65 @@ struct fb_image image; /* Cursor image */ }; +#ifdef __KERNEL__ + +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/device.h> +#include <linux/workqueue.h> +#include <linux/devfs_fs_kernel.h> +#include <linux/notifier.h> +#include <asm/io.h> + +struct vm_area_struct; +struct fb_info; +struct device; +struct file; + +/* + * Register/unregister for framebuffer events + */ + +/* The resolution of the passed in fb_info about to change */ +#define FB_EVENT_MODE_CHANGE 0x01 +/* The display on this fb_info is beeing suspended, no access to the + * framebuffer is allowed any more after that call returns + */ +#define FB_EVENT_SUSPEND 0x02 +/* The display on this fb_info was resumed, you can restore the display + * if you own it + */ +#define FB_EVENT_RESUME 0x03 + +extern int fb_register_client(struct notifier_block *nb); +extern int fb_unregister_client(struct notifier_block *nb); + +/* + * Pixmap structure definition + * + * The purpose of this structure is to translate data + * from the hardware independent format of fbdev to what + * format the hardware needs. + */ + #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ #define FB_PIXMAP_IO 4 /* memory is iomapped */ #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ struct fb_pixmap { - __u8 *addr; /* pointer to memory */ - __u32 size; /* size of buffer in bytes */ - __u32 offset; /* current offset to buffer */ - __u32 buf_align; /* byte alignment of each bitmap */ - __u32 scan_align; /* alignment per scanline */ - __u32 flags; /* see FB_PIXMAP_* */ + u8 *addr; /* pointer to memory */ + u32 size; /* size of buffer in bytes */ + u32 offset; /* current offset to buffer */ + u32 buf_align; /* byte alignment of each bitmap */ + u32 scan_align; /* alignment per scanline */ + u32 access_align; /* alignment per read/write */ + u32 flags; /* see FB_PIXMAP_* */ /* access methods */ void (*outbuf)(u8 *dst, u8 *addr, unsigned int size); u8 (*inbuf) (u8 *addr); - spinlock_t lock; /* spinlock */ - atomic_t count; }; -#ifdef __KERNEL__ - -#include <linux/fs.h> -#include <linux/init.h> - -struct fb_info; -struct vm_area_struct; -struct file; /* * Frame buffer operations @@ -362,58 +392,84 @@ struct module *owner; int (*fb_open)(struct fb_info *info, int user); int (*fb_release)(struct fb_info *info, int user); + /* 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 */ + 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 eventually tweaks it to something supported, + * DO NOT MODIFY PAR */ + int (*fb_check_var) (struct fb_var_screeninfo * var, + struct fb_info * info); + /* set the video mode according to info->var */ int (*fb_set_par)(struct fb_info *info); + /* set color register */ int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, struct fb_info *info); + unsigned blue, unsigned transp, + struct fb_info * info); + /* blank display */ int (*fb_blank)(int blank, struct fb_info *info); + /* pan display */ - int (*fb_pan_display)(struct fb_var_screeninfo *var, 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, const struct fb_fillrect *rect); + void (*fb_fillrect) (struct fb_info * info, + const struct fb_fillrect * rect); /* Copy data from area to another */ - void (*fb_copyarea)(struct fb_info *info,const struct fb_copyarea *region); + void (*fb_copyarea) (struct fb_info * info, + const struct fb_copyarea * region); /* Draws a image to the display */ - void (*fb_imageblit)(struct fb_info *info, const struct fb_image *image); + void (*fb_imageblit) (struct fb_info * info, + const struct fb_image * image); + /* Draws cursor */ - int (*fb_cursor)(struct fb_info *info, struct fb_cursor *cursor); + int (*fb_cursor) (struct fb_info * info, + struct fb_cursor * cursor); + /* Rotates the display */ void (*fb_rotate)(struct fb_info *info, int angle); + /* 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, struct fb_info *info); + int (*fb_ioctl) (struct inode * inode, struct file * file, + unsigned int cmd, 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); + int (*fb_mmap) (struct fb_info * info, struct file * file, + struct vm_area_struct * vma); }; struct fb_info { - int node; - int flags; - int open; /* Has this been open already ? */ + int node; + int flags; + int open; /* Has this been open already ? */ #define FBINFO_FLAG_MODULE 1 /* Low-level driver is a module */ - 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 work_struct queue; /* Framebuffer event queue */ - struct fb_pixmap pixmap; /* Current pixmap */ - struct fb_cmap cmap; /* Current cmap */ - struct fb_ops *fbops; - char *screen_base; /* Virtual address */ - struct vc_data *display_fg; /* Console visible on this display */ - int currcon; /* Current VC. */ - void *pseudo_palette; /* Fake palette of 16 colors */ - /* From here on everything is device dependent */ - void *par; + 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 work_struct queue; /* Framebuffer event queue */ + struct fb_pixmap pixmap; /* Image Hardware Mapper */ + struct fb_cmap cmap; /* Current cmap */ + struct fb_ops *fbops; + char *screen_base; /* Virtual address */ + struct vc_data *display_fg; /* Console visible on this display */ + int currcon; /* Current VC. */ + void *pseudo_palette; /* Fake palette of 16 colors */ +#define FBINFO_STATE_RUNNING 0 +#define FBINFO_STATE_SUSPENDED 1 + u32 state; /* Hardware state i.e suspend */ + /* From here on everything is device dependent */ + void *par; }; #ifdef MODULE @@ -438,7 +494,7 @@ #define fb_writeq sbus_writeq #define fb_memset sbus_memset_io -#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) +#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) #define fb_readb __raw_readb #define fb_readw __raw_readw @@ -487,14 +543,20 @@ extern int fb_prepare_logo(struct fb_info *fb_info); extern int fb_show_logo(struct fb_info *fb_info); extern u32 fb_get_buffer_offset(struct fb_info *info, u32 size); -extern void move_buf_unaligned(struct fb_info *info, u8 *dst, u8 *src, u32 d_pitch, - u32 height, u32 mask, u32 shift_high, u32 shift_low, - u32 mod, u32 idx); -extern void move_buf_aligned(struct fb_info *info, u8 *dst, u8 *src, u32 d_pitch, - u32 s_pitch, u32 height); +extern void move_buf_unaligned(struct fb_info *info, u8 * dst, u8 * src, + u32 d_pitch, u32 height, u32 mask, + u32 shift_high, u32 shift_low, u32 mod, + u32 idx); +extern void move_buf_aligned(struct fb_info *info, u8 * dst, u8 * src, + u32 d_pitch, u32 s_pitch, u32 height); +extern void fb_set_suspend(struct fb_info *info, int state); extern struct fb_info *registered_fb[FB_MAX]; extern int num_registered_fb; +/* drivers/video/fbsysfs.c */ +extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); +extern void framebuffer_release(struct fb_info *info); + /* drivers/video/fbmon.c */ #define FB_MAXTIMINGS 0 #define FB_VSYNCTIMINGS 1 @@ -522,8 +584,7 @@ /* 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 int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, - int fsfromto); +extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto); 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); @@ -546,7 +607,8 @@ #ifdef MODULE static inline int fb_find_mode(struct fb_var_screeninfo *var, - struct fb_info *info, const char *mode_option, + struct fb_info *info, + const char *mode_option, const struct fb_videomode *db, unsigned int dbsize, const struct fb_videomode *default_mode, @@ -573,7 +635,8 @@ } #else extern int __init fb_find_mode(struct fb_var_screeninfo *var, - struct fb_info *info, const char *mode_option, + struct fb_info *info, + const char *mode_option, const struct fb_videomode *db, unsigned int dbsize, const struct fb_videomode *default_mode, |
