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