96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*-*- 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__ */
|