diff options
Diffstat (limited to 'drivers/video/fbdev/i810/i810_main.h')
| -rw-r--r-- | drivers/video/fbdev/i810/i810_main.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/video/fbdev/i810/i810_main.h b/drivers/video/fbdev/i810/i810_main.h new file mode 100644 index 000000000000..a25afaa534ba --- /dev/null +++ b/drivers/video/fbdev/i810/i810_main.h @@ -0,0 +1,95 @@ +/*-*- linux-c -*- + * linux/drivers/video/i810fb_main.h -- Intel 810 frame buffer device + * main header file + * + * Copyright (C) 2001 Antonino Daplas<adaplas@pol.net> + * All Rights Reserved + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#ifndef __I810_MAIN_H__ +#define __I810_MAIN_H__ + +/* Video Timings */ +extern void round_off_xres (u32 *xres); +extern void round_off_yres (u32 *xres, u32 *yres); +extern u32 i810_get_watermark (const struct fb_var_screeninfo *var, + struct i810fb_par *par); +extern void i810fb_encode_registers(const struct fb_var_screeninfo *var, + struct i810fb_par *par, u32 xres, u32 yres); +extern void i810fb_fill_var_timings(struct fb_var_screeninfo *var); + +/* Accelerated Functions */ +extern void i810fb_fillrect (struct fb_info *p, + const struct fb_fillrect *rect); +extern void i810fb_copyarea (struct fb_info *p, + const struct fb_copyarea *region); +extern void i810fb_imageblit(struct fb_info *p, const struct fb_image *image); +extern int i810fb_sync (struct fb_info *p); + +extern void i810fb_init_ringbuffer(struct fb_info *info); +extern void i810fb_load_front (u32 offset, struct fb_info *info); + +#ifdef CONFIG_FB_I810_I2C +/* I2C */ +extern int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid, + int conn); +extern void i810_create_i2c_busses(struct i810fb_par *par); +extern void i810_delete_i2c_busses(struct i810fb_par *par); +#else +static inline int i810_probe_i2c_connector(struct fb_info *info, u8 **out_edid, + int conn) +{ + return 1; +} +static inline void i810_create_i2c_busses(struct i810fb_par *par) { } +static inline void i810_delete_i2c_busses(struct i810fb_par *par) { } +#endif + +/* Conditionals */ +#ifdef CONFIG_X86 +static inline void flush_cache(void) +{ + asm volatile ("wbinvd":::"memory"); +} +#else +#define flush_cache() do { } while(0) +#endif + +#ifdef CONFIG_MTRR + +#include <asm/mtrr.h> + +static inline void set_mtrr(struct i810fb_par *par) +{ + par->mtrr_reg = mtrr_add((u32) par->aperture.physical, + par->aperture.size, MTRR_TYPE_WRCOMB, 1); + if (par->mtrr_reg < 0) { + printk(KERN_ERR "set_mtrr: unable to set MTRR\n"); + return; + } + par->dev_flags |= HAS_MTRR; +} +static inline void unset_mtrr(struct i810fb_par *par) +{ + if (par->dev_flags & HAS_MTRR) + mtrr_del(par->mtrr_reg, (u32) par->aperture.physical, + par->aperture.size); +} +#else +#define set_mtrr(x) printk("set_mtrr: MTRR is disabled in the kernel\n") + +#define unset_mtrr(x) do { } while (0) +#endif /* CONFIG_MTRR */ + +#ifdef CONFIG_FB_I810_GTF +#define IS_DVT (0) +#else +#define IS_DVT (1) +#endif + +#endif /* __I810_MAIN_H__ */ |