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 */ 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); 25 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); 33 34 extern void i810fb_init_ringbuffer(struct fb_info *info); 35 extern void i810fb_load_front (u32 offset, struct fb_info *info); 36 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) 46 { 47 return 1; 48 } 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 52 53 /* Conditionals */ 54 #ifdef CONFIG_X86 55 static 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__ */ 70