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/* linux/drivers/video/samsung/smartdimming.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
* Samsung Smart Dimming for OCTA
*
* Minwoo Kim, <minwoo7945.kim@samsung.com>
*
*/
#ifndef __SMART_DIMMING_H__
#define __SMART_DIMMING_H__
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/ctype.h>
#define MAX_GRADATION 300
#define PANEL_ID_MAX 3
#define GAMMA_300CD_MAX 9
enum {
CI_RED = 0,
CI_GREEN = 1,
CI_BLUE = 2,
CI_MAX = 3,
};
enum {
IV_VT ,
IV_3 ,
IV_11 ,
IV_23 ,
IV_35 ,
IV_51,
IV_87 ,
IV_151,
IV_203,
IV_255,
IV_MAX,
IV_TABLE_MAX,
};
enum {
AD_IVT,
AD_IV3,
AD_IV11,
AD_IV23 ,
AD_IV35,
AD_IV51 ,
AD_IV87 ,
AD_IV151 ,
AD_IV203 ,
AD_IV255 ,
AD_IVMAX ,
};
enum {
G_21,
G_213,
G_215,
G_218,
G_22,
G_221,
G_222,
G_223,
G_224,
G_225,
G_MAX,
};
struct str_voltage_entry {
u32 v[CI_MAX];
};
struct str_table_info {
/* et : start gray value */
u8 st;
/* end gray value, st + count */
u8 et;
u8 count;
const u8 *offset_table;
/* rv : ratio value */
u32 rv;
};
struct str_flookup_table {
u16 entry;
u16 count;
};
struct str_smart_dim {
u8 panelid[PANEL_ID_MAX];
s16 mtp[CI_MAX][IV_MAX];
struct str_voltage_entry ve[256];
const u8 *default_gamma;
struct str_table_info t_info[IV_TABLE_MAX];
const struct str_flookup_table *flooktbl;
const u32 *g22_tbl;
const u32 *gamma_table[G_MAX];
const u32 *g300_gra_tbl;
u32 adjust_volt[CI_MAX][AD_IVMAX];
};
struct rgb_offset_info {
unsigned int candela_idx;
unsigned int gray;
unsigned int rgb;
int offset;
};
int init_table_info_ea8061(struct str_smart_dim *smart);
u8 calc_voltage_table_ea8061(struct str_smart_dim *smart, const u8 *mtp);
u32 calc_gamma_table_ea8061(struct str_smart_dim *smart, u32 gv, u8 result[], u8 gamma_curve, const u8 *mtp);
u32 calc_gamma_table_190_ea8061(struct str_smart_dim *smart, u32 gv, u8 result[], u8 gamma_curve, const u8 *mtp);
u32 calc_gamma_table_20_100_ea8061(struct str_smart_dim *smart, u32 gv, u8 result[], u8 gamma_curve, const u8 *mtp);
#endif
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