ext4: fix undefined behavior in ext4_fill_flex_info()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / video / i810 / i810_main.h
blob51d4f3d4116dda55e130360b89cc02e06cdfa984
1 /*-*- linux-c -*-
2 * linux/drivers/video/i810fb_main.h -- Intel 810 frame buffer device
3 * main header file
5 * Copyright (C) 2001 Antonino Daplas<adaplas@pol.net>
6 * All Rights Reserved
9 * This file is subject to the terms and conditions of the GNU General Public
10 * License. See the file COPYING in the main directory of this archive for
11 * more details.
14 #ifndef __I810_MAIN_H__
15 #define __I810_MAIN_H__
17 /* Video Timings */
18 extern void round_off_xres (u32 *xres);
19 extern void round_off_yres (u32 *xres, u32 *yres);
20 extern u32 i810_get_watermark (const struct fb_var_screeninfo *var,
21 struct i810fb_par *par);
22 extern void i810fb_encode_registers(const struct fb_var_screeninfo *var,
23 struct i810fb_par *par, u32 xres, u32 yres);
24 extern void i810fb_fill_var_timings(struct fb_var_screeninfo *var);
26 /* Accelerated Functions */
27 extern void i810fb_fillrect (struct fb_info *p,
28 const struct fb_fillrect *rect);
29 extern void i810fb_copyarea (struct fb_info *p,
30 const struct fb_copyarea *region);
31 extern void i810fb_imageblit(struct fb_info *p, const struct fb_image *image);
32 extern int i810fb_sync (struct fb_info *p);
34 extern void i810fb_init_ringbuffer(struct fb_info *info);
35 extern void i810fb_load_front (u32 offset, struct fb_info *info);
37 #ifdef CONFIG_FB_I810_I2C
38 /* I2C */
39 extern int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
40 int conn);
41 extern void i810_create_i2c_busses(struct i810fb_par *par);
42 extern void i810_delete_i2c_busses(struct i810fb_par *par);
43 #else
44 static inline int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid,
45 int conn)
47 return 1;
49 static inline void i810_create_i2c_busses(struct i810fb_par *par) { }
50 static inline void i810_delete_i2c_busses(struct i810fb_par *par) { }
51 #endif
53 /* Conditionals */
54 #ifdef CONFIG_X86
55 static inline void flush_cache(void)
57 asm volatile ("wbinvd":::"memory");
59 #else
60 #define flush_cache() do { } while(0)
61 #endif
63 #ifdef CONFIG_MTRR
65 #include <asm/mtrr.h>
67 static inline void __devinit set_mtrr(struct i810fb_par *par)
69 par->mtrr_reg = mtrr_add((u32) par->aperture.physical,
70 par->aperture.size, MTRR_TYPE_WRCOMB, 1);
71 if (par->mtrr_reg < 0) {
72 printk(KERN_ERR "set_mtrr: unable to set MTRR\n");
73 return;
75 par->dev_flags |= HAS_MTRR;
77 static inline void unset_mtrr(struct i810fb_par *par)
79 if (par->dev_flags & HAS_MTRR)
80 mtrr_del(par->mtrr_reg, (u32) par->aperture.physical,
81 par->aperture.size);
83 #else
84 #define set_mtrr(x) printk("set_mtrr: MTRR is disabled in the kernel\n")
86 #define unset_mtrr(x) do { } while (0)
87 #endif /* CONFIG_MTRR */
89 #ifdef CONFIG_FB_I810_GTF
90 #define IS_DVT (0)
91 #else
92 #define IS_DVT (1)
93 #endif
95 #endif /* __I810_MAIN_H__ */