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