[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / video / i810 / i810_main.h

/*-*- 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 __devinit 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__ */
Commit	Line	Data
1da177e4 LT	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
1da177e4 LT	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
74f6ae84 AD	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
1da177e4 LT	53	/* Conditionals */
1da177e4 LT	54	#ifdef CONFIG_X86
a0aa7d06	55	static inline void flush_cache(void)
1da177e4 LT	56	{
	57	asm volatile ("wbinvd":::"memory");
	58	}
	59	#else
	60	#define flush_cache() do { } while(0)
	61	#endif
	62
	63	#ifdef CONFIG_MTRR
a0aa7d06 AB	64
	65	#include <asm/mtrr.h>
	66
1da177e4 LT	67	static inline void __devinit set_mtrr(struct i810fb_par *par)
	68	{
	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;
	74	}
	75	par->dev_flags \|= HAS_MTRR;
	76	}
	77	static inline void unset_mtrr(struct i810fb_par *par)
	78	{
	79	if (par->dev_flags & HAS_MTRR)
	80	mtrr_del(par->mtrr_reg, (u32) par->aperture.physical,
	81	par->aperture.size);
	82	}
	83	#else
1da177e4 LT	84	#define set_mtrr(x) printk("set_mtrr: MTRR is disabled in the kernel\n")
	85
	86	#define unset_mtrr(x) do { } while (0)
	87	#endif /* CONFIG_MTRR */
	88
	89	#ifdef CONFIG_FB_I810_GTF
	90	#define IS_DVT (0)
	91	#else
	92	#define IS_DVT (1)
	93	#endif
	94
	95	#endif /* __I810_MAIN_H__ */