1*4882a593Smuzhiyun /*-*- linux-c -*-
2*4882a593Smuzhiyun * linux/drivers/video/i810fb_main.h -- Intel 810 frame buffer device
3*4882a593Smuzhiyun * main header file
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2001 Antonino Daplas<adaplas@pol.net>
6*4882a593Smuzhiyun * All Rights Reserved
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun *
9*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
10*4882a593Smuzhiyun * License. See the file COPYING in the main directory of this archive for
11*4882a593Smuzhiyun * more details.
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #ifndef __I810_MAIN_H__
15*4882a593Smuzhiyun #define __I810_MAIN_H__
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun /* Video Timings */
18*4882a593Smuzhiyun extern void round_off_xres (u32 *xres);
19*4882a593Smuzhiyun extern void round_off_yres (u32 *xres, u32 *yres);
20*4882a593Smuzhiyun extern u32 i810_get_watermark (const struct fb_var_screeninfo *var,
21*4882a593Smuzhiyun struct i810fb_par *par);
22*4882a593Smuzhiyun extern void i810fb_encode_registers(const struct fb_var_screeninfo *var,
23*4882a593Smuzhiyun struct i810fb_par *par, u32 xres, u32 yres);
24*4882a593Smuzhiyun extern void i810fb_fill_var_timings(struct fb_var_screeninfo *var);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* Accelerated Functions */
27*4882a593Smuzhiyun extern void i810fb_fillrect (struct fb_info *p,
28*4882a593Smuzhiyun const struct fb_fillrect *rect);
29*4882a593Smuzhiyun extern void i810fb_copyarea (struct fb_info *p,
30*4882a593Smuzhiyun const struct fb_copyarea *region);
31*4882a593Smuzhiyun extern void i810fb_imageblit(struct fb_info *p, const struct fb_image *image);
32*4882a593Smuzhiyun extern int i810fb_sync (struct fb_info *p);
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun extern void i810fb_init_ringbuffer(struct fb_info *info);
35*4882a593Smuzhiyun extern void i810fb_load_front (u32 offset, struct fb_info *info);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #ifdef CONFIG_FB_I810_I2C
38*4882a593Smuzhiyun /* I2C */
39*4882a593Smuzhiyun extern int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
40*4882a593Smuzhiyun int conn);
41*4882a593Smuzhiyun extern void i810_create_i2c_busses(struct i810fb_par *par);
42*4882a593Smuzhiyun extern void i810_delete_i2c_busses(struct i810fb_par *par);
43*4882a593Smuzhiyun #else
i810_probe_i2c_connector(struct fb_info * info,u8 ** out_edid,int conn)44*4882a593Smuzhiyun static inline int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
45*4882a593Smuzhiyun int conn)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun return 1;
48*4882a593Smuzhiyun }
i810_create_i2c_busses(struct i810fb_par * par)49*4882a593Smuzhiyun static inline void i810_create_i2c_busses(struct i810fb_par *par) { }
i810_delete_i2c_busses(struct i810fb_par * par)50*4882a593Smuzhiyun static inline void i810_delete_i2c_busses(struct i810fb_par *par) { }
51*4882a593Smuzhiyun #endif
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun /* Conditionals */
54*4882a593Smuzhiyun #ifdef CONFIG_X86
flush_cache(void)55*4882a593Smuzhiyun static inline void flush_cache(void)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun asm volatile ("wbinvd":::"memory");
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun #else
60*4882a593Smuzhiyun #define flush_cache() do { } while(0)
61*4882a593Smuzhiyun #endif
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun #ifdef CONFIG_FB_I810_GTF
64*4882a593Smuzhiyun #define IS_DVT (0)
65*4882a593Smuzhiyun #else
66*4882a593Smuzhiyun #define IS_DVT (1)
67*4882a593Smuzhiyun #endif
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun #endif /* __I810_MAIN_H__ */
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