/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
*
* Copyright (C) 2006, 2007 Atmel Corporation
*/
#ifndef __LTV350QV_H
#define __LTV350QV_H
#define LTV_OPC_INDEX 0x74
#define LTV_OPC_DATA 0x76
#define LTV_ID 0x00 /* ID Read */
#define LTV_IFCTL 0x01 /* Display Interface Control */
#define LTV_DATACTL 0x02 /* Display Data Control */
#define LTV_ENTRY_MODE 0x03 /* Entry Mode */
#define LTV_GATECTL1 0x04 /* Gate Control 1 */
#define LTV_GATECTL2 0x05 /* Gate Control 2 */
#define LTV_VBP 0x06 /* Vertical Back Porch */
#define LTV_HBP 0x07 /* Horizontal Back Porch */
#define LTV_SOTCTL 0x08 /* Source Output Timing Control */
#define LTV_PWRCTL1 0x09 /* Power Control 1 */
#define LTV_PWRCTL2 0x0a /* Power Control 2 */
#define LTV_GAMMA(x) (0x10 + (x)) /* Gamma control */
/* Bit definitions for LTV_IFCTL */
#define LTV_IM (1 << 15)
#define LTV_NMD (1 << 14)
#define LTV_SSMD (1 << 13)
#define LTV_REV (1 << 7)
#define LTV_NL(x) (((x) & 0x001f) << 0)
/* Bit definitions for LTV_DATACTL */
#define LTV_DS_SAME (0 << 12)
#define LTV_DS_D_TO_S (1 << 12)
#define LTV_DS_S_TO_D (2 << 12)
#define LTV_CHS_384 (0 << 9)
#define LTV_CHS_480 (1 << 9)
#define LTV_CHS_492 (2 << 9)
#define LTV_DF_RGB (0 << 6)
#define LTV_DF_RGBX (1 << 6)
#define LTV_DF_XRGB (2 << 6)
#define LTV_RGB_RGB (0 << 2)
#define LTV_RGB_BGR (1 << 2)
#define LTV_RGB_GRB (2 << 2)
#define LTV_RGB_RBG (3 << 2)
/* Bit definitions for LTV_ENTRY_MODE */
#define LTV_VSPL_ACTIVE_LOW (0 << 15)
#define LTV_VSPL_ACTIVE_HIGH (1 << 15)
#define LTV_HSPL_ACTIVE_LOW (0 << 14)
#define LTV_HSPL_ACTIVE_HIGH (1 << 14)
#define LTV_DPL_SAMPLE_RISING (0 << 13)
#define LTV_DPL_SAMPLE_FALLING (1 << 13)
#define LTV_EPL_ACTIVE_LOW (0 << 12)
#define LTV_EPL_ACTIVE_HIGH (1 << 12)
#define LTV_SS_LEFT_TO_RIGHT (0 << 8)
#define LTV_SS_RIGHT_TO_LEFT (1 << 8)
#define LTV_STB (1 << 1)
/* Bit definitions for LTV_GATECTL1 */
#define LTV_CLW(x) (((x) & 0x0007) << 12)
#define LTV_GAON (1 << 5)
#define LTV_SDR (1 << 3)
/* Bit definitions for LTV_GATECTL2 */
#define LTV_NW_INV_FRAME (0 << 14)
#define LTV_NW_INV_1LINE (1 << 14)
#define LTV_NW_INV_2LINE (2 << 14)
#define LTV_DSC (1 << 12)
#define LTV_GIF (1 << 8)
#define LTV_FHN (1 << 7)
#define LTV_FTI(x) (((x) & 0x0003) << 4)
#define LTV_FWI(x) (((x) & 0x0003) << 0)
/* Bit definitions for LTV_SOTCTL */
#define LTV_SDT(x) (((x) & 0x0007) << 10)
#define LTV_EQ(x) (((x) & 0x0007) << 2)
/* Bit definitions for LTV_PWRCTL1 */
#define LTV_VCOM_DISABLE (1 << 14)
#define LTV_VCOMOUT_ENABLE (1 << 11)
#define LTV_POWER_ON (1 << 9)
#define LTV_DRIVE_CURRENT(x) (((x) & 0x0007) << 4) /* 0=off, 5=max */
#define LTV_SUPPLY_CURRENT(x) (((x) & 0x0007) << 0) /* 0=off, 5=max */
/* Bit definitions for LTV_PWRCTL2 */
#define LTV_VCOML_ENABLE (1 << 13)
#define LTV_VCOML_VOLTAGE(x) (((x) & 0x001f) << 8) /* 0=1V, 31=-1V */
#define LTV_VCOMH_VOLTAGE(x) (((x) & 0x001f) << 0) /* 0=3V, 31=4.5V */
#endif /* __LTV350QV_H */
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