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0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * OmniVision OV96xx Camera Header File
0004  *
0005  * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com>
0006  */
0007 
0008 #ifndef __DRIVERS_MEDIA_VIDEO_OV9640_H__
0009 #define __DRIVERS_MEDIA_VIDEO_OV9640_H__
0010 
0011 /* Register definitions */
0012 #define OV9640_GAIN 0x00
0013 #define OV9640_BLUE 0x01
0014 #define OV9640_RED  0x02
0015 #define OV9640_VFER 0x03
0016 #define OV9640_COM1 0x04
0017 #define OV9640_BAVE 0x05
0018 #define OV9640_GEAVE    0x06
0019 #define OV9640_RSID 0x07
0020 #define OV9640_RAVE 0x08
0021 #define OV9640_COM2 0x09
0022 #define OV9640_PID  0x0a
0023 #define OV9640_VER  0x0b
0024 #define OV9640_COM3 0x0c
0025 #define OV9640_COM4 0x0d
0026 #define OV9640_COM5 0x0e
0027 #define OV9640_COM6 0x0f
0028 #define OV9640_AECH 0x10
0029 #define OV9640_CLKRC    0x11
0030 #define OV9640_COM7 0x12
0031 #define OV9640_COM8 0x13
0032 #define OV9640_COM9 0x14
0033 #define OV9640_COM10    0x15
0034 /* 0x16 - RESERVED */
0035 #define OV9640_HSTART   0x17
0036 #define OV9640_HSTOP    0x18
0037 #define OV9640_VSTART   0x19
0038 #define OV9640_VSTOP    0x1a
0039 #define OV9640_PSHFT    0x1b
0040 #define OV9640_MIDH 0x1c
0041 #define OV9640_MIDL 0x1d
0042 #define OV9640_MVFP 0x1e
0043 #define OV9640_LAEC 0x1f
0044 #define OV9640_BOS  0x20
0045 #define OV9640_GBOS 0x21
0046 #define OV9640_GROS 0x22
0047 #define OV9640_ROS  0x23
0048 #define OV9640_AEW  0x24
0049 #define OV9640_AEB  0x25
0050 #define OV9640_VPT  0x26
0051 #define OV9640_BBIAS    0x27
0052 #define OV9640_GBBIAS   0x28
0053 /* 0x29 - RESERVED */
0054 #define OV9640_EXHCH    0x2a
0055 #define OV9640_EXHCL    0x2b
0056 #define OV9640_RBIAS    0x2c
0057 #define OV9640_ADVFL    0x2d
0058 #define OV9640_ADVFH    0x2e
0059 #define OV9640_YAVE 0x2f
0060 #define OV9640_HSYST    0x30
0061 #define OV9640_HSYEN    0x31
0062 #define OV9640_HREF 0x32
0063 #define OV9640_CHLF 0x33
0064 #define OV9640_ARBLM    0x34
0065 /* 0x35..0x36 - RESERVED */
0066 #define OV9640_ADC  0x37
0067 #define OV9640_ACOM 0x38
0068 #define OV9640_OFON 0x39
0069 #define OV9640_TSLB 0x3a
0070 #define OV9640_COM11    0x3b
0071 #define OV9640_COM12    0x3c
0072 #define OV9640_COM13    0x3d
0073 #define OV9640_COM14    0x3e
0074 #define OV9640_EDGE 0x3f
0075 #define OV9640_COM15    0x40
0076 #define OV9640_COM16    0x41
0077 #define OV9640_COM17    0x42
0078 /* 0x43..0x4e - RESERVED */
0079 #define OV9640_MTX1 0x4f
0080 #define OV9640_MTX2 0x50
0081 #define OV9640_MTX3 0x51
0082 #define OV9640_MTX4 0x52
0083 #define OV9640_MTX5 0x53
0084 #define OV9640_MTX6 0x54
0085 #define OV9640_MTX7 0x55
0086 #define OV9640_MTX8 0x56
0087 #define OV9640_MTX9 0x57
0088 #define OV9640_MTXS 0x58
0089 /* 0x59..0x61 - RESERVED */
0090 #define OV9640_LCC1 0x62
0091 #define OV9640_LCC2 0x63
0092 #define OV9640_LCC3 0x64
0093 #define OV9640_LCC4 0x65
0094 #define OV9640_LCC5 0x66
0095 #define OV9640_MANU 0x67
0096 #define OV9640_MANV 0x68
0097 #define OV9640_HV   0x69
0098 #define OV9640_MBD  0x6a
0099 #define OV9640_DBLV 0x6b
0100 #define OV9640_GSP  0x6c    /* ... till 0x7b */
0101 #define OV9640_GST  0x7c    /* ... till 0x8a */
0102 
0103 #define OV9640_CLKRC_DPLL_EN    0x80
0104 #define OV9640_CLKRC_DIRECT 0x40
0105 #define OV9640_CLKRC_DIV(x) ((x) & 0x3f)
0106 
0107 #define OV9640_PSHFT_VAL(x) ((x) & 0xff)
0108 
0109 #define OV9640_ACOM_2X_ANALOG   0x80
0110 #define OV9640_ACOM_RSVD    0x12
0111 
0112 #define OV9640_MVFP_V       0x10
0113 #define OV9640_MVFP_H       0x20
0114 
0115 #define OV9640_COM1_HREF_NOSKIP 0x00
0116 #define OV9640_COM1_HREF_2SKIP  0x04
0117 #define OV9640_COM1_HREF_3SKIP  0x08
0118 #define OV9640_COM1_QQFMT   0x20
0119 
0120 #define OV9640_COM2_SSM     0x10
0121 
0122 #define OV9640_COM3_VP      0x04
0123 
0124 #define OV9640_COM4_QQ_VP   0x80
0125 #define OV9640_COM4_RSVD    0x40
0126 
0127 #define OV9640_COM5_SYSCLK  0x80
0128 #define OV9640_COM5_LONGEXP 0x01
0129 
0130 #define OV9640_COM6_OPT_BLC 0x40
0131 #define OV9640_COM6_ADBLC_BIAS  0x08
0132 #define OV9640_COM6_FMT_RST 0x82
0133 #define OV9640_COM6_ADBLC_OPTEN 0x01
0134 
0135 #define OV9640_COM7_RAW_RGB 0x01
0136 #define OV9640_COM7_RGB     0x04
0137 #define OV9640_COM7_QCIF    0x08
0138 #define OV9640_COM7_QVGA    0x10
0139 #define OV9640_COM7_CIF     0x20
0140 #define OV9640_COM7_VGA     0x40
0141 #define OV9640_COM7_SCCB_RESET  0x80
0142 
0143 #define OV9640_TSLB_YVYU_YUYV   0x04
0144 #define OV9640_TSLB_YUYV_UYVY   0x08
0145 
0146 #define OV9640_COM12_YUV_AVG    0x04
0147 #define OV9640_COM12_RSVD   0x40
0148 
0149 #define OV9640_COM13_GAMMA_NONE 0x00
0150 #define OV9640_COM13_GAMMA_Y    0x40
0151 #define OV9640_COM13_GAMMA_RAW  0x80
0152 #define OV9640_COM13_RGB_AVG    0x20
0153 #define OV9640_COM13_MATRIX_EN  0x10
0154 #define OV9640_COM13_Y_DELAY_EN 0x08
0155 #define OV9640_COM13_YUV_DLY(x) ((x) & 0x07)
0156 
0157 #define OV9640_COM15_OR_00FF    0x00
0158 #define OV9640_COM15_OR_01FE    0x40
0159 #define OV9640_COM15_OR_10F0    0xc0
0160 #define OV9640_COM15_RGB_NORM   0x00
0161 #define OV9640_COM15_RGB_565    0x10
0162 #define OV9640_COM15_RGB_555    0x30
0163 
0164 #define OV9640_COM16_RB_AVG 0x01
0165 
0166 /* IDs */
0167 #define OV9640_V2       0x9648
0168 #define OV9640_V3       0x9649
0169 #define VERSION(pid, ver)   (((pid) << 8) | ((ver) & 0xFF))
0170 
0171 /* supported resolutions */
0172 enum {
0173     W_QQCIF = 88,
0174     W_QQVGA = 160,
0175     W_QCIF  = 176,
0176     W_QVGA  = 320,
0177     W_CIF   = 352,
0178     W_VGA   = 640,
0179     W_SXGA  = 1280
0180 };
0181 #define H_SXGA  960
0182 
0183 /* Misc. structures */
0184 struct ov9640_reg_alt {
0185     u8  com7;
0186     u8  com12;
0187     u8  com13;
0188     u8  com15;
0189 };
0190 
0191 struct ov9640_reg {
0192     u8  reg;
0193     u8  val;
0194 };
0195 
0196 struct ov9640_priv {
0197     struct v4l2_subdev      subdev;
0198     struct v4l2_ctrl_handler    hdl;
0199     struct clk          *clk;
0200     struct gpio_desc        *gpio_power;
0201     struct gpio_desc        *gpio_reset;
0202 
0203     int             model;
0204     int             revision;
0205 };
0206 
0207 #endif  /* __DRIVERS_MEDIA_VIDEO_OV9640_H__ */