1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
4 *
5 * Copyright (C) 2006, 2007 Atmel Corporation
6 */
7#ifndef __LTV350QV_H
8#define __LTV350QV_H
9
10#define LTV_OPC_INDEX	0x74
11#define LTV_OPC_DATA	0x76
12
13#define LTV_ID		0x00		/* ID Read */
14#define LTV_IFCTL	0x01		/* Display Interface Control */
15#define LTV_DATACTL	0x02		/* Display Data Control */
16#define LTV_ENTRY_MODE	0x03		/* Entry Mode */
17#define LTV_GATECTL1	0x04		/* Gate Control 1 */
18#define LTV_GATECTL2	0x05		/* Gate Control 2 */
19#define LTV_VBP		0x06		/* Vertical Back Porch */
20#define LTV_HBP		0x07		/* Horizontal Back Porch */
21#define LTV_SOTCTL	0x08		/* Source Output Timing Control */
22#define LTV_PWRCTL1	0x09		/* Power Control 1 */
23#define LTV_PWRCTL2	0x0a		/* Power Control 2 */
24#define LTV_GAMMA(x)	(0x10 + (x))	/* Gamma control */
25
26/* Bit definitions for LTV_IFCTL */
27#define LTV_IM			(1 << 15)
28#define LTV_NMD			(1 << 14)
29#define LTV_SSMD		(1 << 13)
30#define LTV_REV			(1 <<  7)
31#define LTV_NL(x)		(((x) & 0x001f) << 0)
32
33/* Bit definitions for LTV_DATACTL */
34#define LTV_DS_SAME		(0 << 12)
35#define LTV_DS_D_TO_S		(1 << 12)
36#define LTV_DS_S_TO_D		(2 << 12)
37#define LTV_CHS_384		(0 <<  9)
38#define LTV_CHS_480		(1 <<  9)
39#define LTV_CHS_492		(2 <<  9)
40#define LTV_DF_RGB		(0 <<  6)
41#define LTV_DF_RGBX		(1 <<  6)
42#define LTV_DF_XRGB		(2 <<  6)
43#define LTV_RGB_RGB		(0 <<  2)
44#define LTV_RGB_BGR		(1 <<  2)
45#define LTV_RGB_GRB		(2 <<  2)
46#define LTV_RGB_RBG		(3 <<  2)
47
48/* Bit definitions for LTV_ENTRY_MODE */
49#define LTV_VSPL_ACTIVE_LOW	(0 << 15)
50#define LTV_VSPL_ACTIVE_HIGH	(1 << 15)
51#define LTV_HSPL_ACTIVE_LOW	(0 << 14)
52#define LTV_HSPL_ACTIVE_HIGH	(1 << 14)
53#define LTV_DPL_SAMPLE_RISING	(0 << 13)
54#define LTV_DPL_SAMPLE_FALLING	(1 << 13)
55#define LTV_EPL_ACTIVE_LOW	(0 << 12)
56#define LTV_EPL_ACTIVE_HIGH	(1 << 12)
57#define LTV_SS_LEFT_TO_RIGHT	(0 <<  8)
58#define LTV_SS_RIGHT_TO_LEFT	(1 <<  8)
59#define LTV_STB			(1 <<  1)
60
61/* Bit definitions for LTV_GATECTL1 */
62#define LTV_CLW(x)		(((x) & 0x0007) << 12)
63#define LTV_GAON		(1 <<  5)
64#define LTV_SDR			(1 <<  3)
65
66/* Bit definitions for LTV_GATECTL2 */
67#define LTV_NW_INV_FRAME	(0 << 14)
68#define LTV_NW_INV_1LINE	(1 << 14)
69#define LTV_NW_INV_2LINE	(2 << 14)
70#define LTV_DSC			(1 << 12)
71#define LTV_GIF			(1 <<  8)
72#define LTV_FHN			(1 <<  7)
73#define LTV_FTI(x)		(((x) & 0x0003) << 4)
74#define LTV_FWI(x)		(((x) & 0x0003) << 0)
75
76/* Bit definitions for LTV_SOTCTL */
77#define LTV_SDT(x)		(((x) & 0x0007) << 10)
78#define LTV_EQ(x)		(((x) & 0x0007) <<  2)
79
80/* Bit definitions for LTV_PWRCTL1 */
81#define LTV_VCOM_DISABLE	(1 << 14)
82#define LTV_VCOMOUT_ENABLE	(1 << 11)
83#define LTV_POWER_ON		(1 <<  9)
84#define LTV_DRIVE_CURRENT(x)	(((x) & 0x0007) << 4)	/* 0=off, 5=max */
85#define LTV_SUPPLY_CURRENT(x)	(((x) & 0x0007) << 0)	/* 0=off, 5=max */
86
87/* Bit definitions for LTV_PWRCTL2 */
88#define LTV_VCOML_ENABLE	(1 << 13)
89#define LTV_VCOML_VOLTAGE(x)	(((x) & 0x001f) << 8)	/* 0=1V, 31=-1V */
90#define LTV_VCOMH_VOLTAGE(x)	(((x) & 0x001f) << 0)	/* 0=3V, 31=4.5V */
91
92#endif /* __LTV350QV_H */
93