s3c2410fb.h

此程序为创维特液晶驱动及其相应的测试代码

/*
 * linux/drivers/video/s3c2410fb.h
 *    -- StrongARM 1100 LCD Controller Frame Buffer Device
 *
 *  Copyright (C) 1999 Eric A. Thomas
 *   Based on acornfb.c Copyright (C) Russell King.
 *  2001 Sangwook Lee ([e-mail]) S3C2400
 *  2002 Sangwook Lee ([e-mail]) S3C2410
 *    
 */

/*
 * struct fb_bitfield {
 *	__u32 offset;			 beginning of bitfield	
 *	__u32 length;			 length of bitfield
 *	__u32 msb_right;		 != 0 : Most significant bit is 
 *					 right 
 * };
 * These are the bitfields for each
 * display depth that we support.
 */
struct s3c2410fb_rgb {
	struct fb_bitfield	red;
	struct fb_bitfield	green;
	struct fb_bitfield	blue;
	struct fb_bitfield	transp;
};

/*
 * This structure describes the machine which we are running on.
 */
struct s3c2410fb_mach_info {
	u_long		pixclock;

	u_short		xres;
	u_short		yres;

	u_char		bpp;
	u_char		hsync_len;
	u_char		left_margin;
	u_char		right_margin;

	u_char		vsync_len;
	u_char		upper_margin;
	u_char		lower_margin;
	u_char		sync;

	u_int		cmap_greyscale:1,
			cmap_inverse:1,
			cmap_static:1,
			unused:29;
};

/* Shadows for LCD controller registers */
struct s3c2410fb_lcd_reg {
	unsigned long lcdcon1;
	unsigned long lcdcon2;
	unsigned long lcdcon3;
        unsigned long lcdcon4;
        unsigned long lcdcon5;
        unsigned long lcdsaddr1;
        unsigned long lcdsaddr2;
        unsigned long lcdsaddr3;
        unsigned long lpcsel;
        unsigned long lcdintmsk;
        unsigned long tpal;
};

#define RGB_8	(0)
#define RGB_16	(1)
#define NR_RGB	2

struct s3c2410fb_info {
	struct fb_info		fb;
	signed int		currcon;

	struct s3c2410fb_rgb	*rgb[NR_RGB];

	u_int			max_bpp;
	u_int			max_xres;
	u_int			max_yres;

	/*
	 * These are the addresses we mapped
	 * the framebuffer memory region to.
	 */
	dma_addr_t		map_dma;
	u_char *		map_cpu;
	u_int			map_size;

	u_char *		screen_cpu;
	dma_addr_t		screen_dma;
	u16 *			palette_cpu;
	dma_addr_t		palette_dma;
	u_int			palette_size;

	u_int			cmap_inverse:1,
				cmap_static:1,
				unused:30;

        u_int                   reg_lcdcon1;
        u_int                   reg_lcdcon2;
        u_int                   reg_lcdcon3;
        u_int                   reg_lcdcon4;
        u_int                   reg_lcdcon5;
        u_int                   reg_lcdsaddr1;
        u_int                   reg_lcdsaddr2;
        u_int                   reg_lcdsaddr3;
        u_int                   reg_lpcsel;
        u_int                   reg_lcdintmsk;

	volatile u_char		state;
	volatile u_char		task_state;
	struct semaphore	ctrlr_sem;
	wait_queue_head_t	ctrlr_wait;
	struct tq_struct	task;

#ifdef CONFIG_PM
	struct pm_dev		*pm;
#endif
#ifdef CONFIG_CPU_FREQ
	struct notifier_block	clockchg;
#endif
};

#define __type_entry(ptr,type,member) ((type *)((char *)(ptr)-offsetof(type,member)))

#define TO_INF(ptr,member)	__type_entry(ptr,struct s3c2410fb_info,member)

#define S3C2410_PALETTE_MODE_VAL(bpp)    (((bpp) & 0x018) << 9)

/*
 * These are the actions for set_ctrlr_state
 */
#define C_DISABLE		(0)
#define C_ENABLE		(1)
#define C_DISABLE_CLKCHANGE	(2)
#define C_ENABLE_CLKCHANGE	(3)
#define C_REENABLE		(4)

#define S3C2410_NAME	"S3C2410"

/*
 *  Debug macros 
 */
#if DEBUG
#  define DPRINTK(fmt, args...)	printk("%s: " fmt, __FUNCTION__ , ## args)
#else
#  define DPRINTK(fmt, args...)
#endif

/*
 * Minimum X and Y resolutions
 */
#define MIN_XRES	64
#define MIN_YRES	64

/*
 * LCD Parameter
 * Used in drivers/video/s3c2410fb.c
 */
//#define TFT240_320      1
//#define STN320_240      2
#define TFT640_480      3

                     /* Used in s3c2410fb.c */
//#define LCD_TYPE      TFT240_320
//#define LCD_TYPE      STN320_240
#define LCD_TYPE        TFT640_480
                                                                                                                                               
#if defined(TFT240_320)
#define CURRENT_LCD_X    240 /* used in Touch Screen */
#define CURRENT_LCD_Y    320 /* used in Touch Screen */
#elif defined(TFT640_480)
#define CURRENT_LCD_X    640 /* used in Touch Screen */
#define CURRENT_LCD_Y    480 /* used in Touch Screen */
#elif defined(STN320_240)
#define CURRENT_LCD_X    320 /* used in Touch Screen */
#define CURRENT_LCD_Y    240 /* used in Touch Screen */
#endif
                                                                                                                                               
#define MVAL                (13)
#define MVAL_USED           (0)
#define M5D(n)              ((n) & 0x1fffff)
                                                                                                                                               
#if defined(TFT240_320)
        #define VBPD                ((5)&0xff)
        #define VFPD                ((2)&0xff)
        #define VSPW                ((1) &0x3f)
                                                                                                                                               
        #define HBPD                ((69-1)&0x7f)
        #define HFPD                ((2)&0xff)
        #define HSPW                ((3)&0xff)
                                                                                                                                               
        #define CLKVAL_STN_MONO     (22)
            //69.14hz @60Mhz,WLH=16clk,WDLY=16clk,LINEBLANK=1*8,VD=4
        #define CLKVAL_STN_GRAY     (12)
            //124hz @60Mhz,WLH=16clk,WDLY=16clk,LINEBLANK=1*8,VD=4
        #define CLKVAL_CSTN         (8)
            //135hz @60Mhz,WLH=16clk,WDLY=16clk,LINEBLANK=1*8,VD=8
        #define CLKVAL_TFT          (4)
#elif defined(STN320_240)
        #define CLKVAL_CSTN             (6)
        // 130hz @50Mhz,WLH=16hclk,WDLY=16hclk,LINEBLANK=16*8hclk,VD=8
        #define LINEVAL_CSTN            (CURRENT_LCD_Y - 1)
        #define WDLY_CSTN               (0)
        #define HOZVAL_CSTN             (CURRENT_LCD_X*3/8-1)
        #define LINEBLANK_CSTN          (16 & 0xff)
        #define WLH_CSTN                (0)
#endif