cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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i810_main.h (2179B)

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