drivers/video/backlight/ltv350qv.h

   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 */