2 * Driver for the ov7660 sensor
4 * Copyright (C) 2009 Erik Andrén
5 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
6 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
8 * Portions of code to USB interface and ALi driver software,
9 * Copyright (c) 2006 Willem Duinker
10 * v4l2 interface modeled after the V4L2 driver
11 * for SN9C10x PC Camera Controllers
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation, version 2.
19 #ifndef M5602_OV7660_H_
20 #define M5602_OV7660_H_
22 #include "m5602_sensor.h"
24 #define OV7660_GAIN 0x00
25 #define OV7660_BLUE_GAIN 0x01
26 #define OV7660_RED_GAIN 0x02
27 #define OV7660_VREF 0x03
28 #define OV7660_COM1 0x04
29 #define OV7660_BAVE 0x05
30 #define OV7660_GEAVE 0x06
31 #define OV7660_AECHH 0x07
32 #define OV7660_RAVE 0x08
33 #define OV7660_COM2 0x09
34 #define OV7660_PID 0x0a
35 #define OV7660_VER 0x0b
36 #define OV7660_COM3 0x0c
37 #define OV7660_COM4 0x0d
38 #define OV7660_COM5 0x0e
39 #define OV7660_COM6 0x0f
40 #define OV7660_AECH 0x10
41 #define OV7660_CLKRC 0x11
42 #define OV7660_COM7 0x12
43 #define OV7660_COM8 0x13
44 #define OV7660_COM9 0x14
45 #define OV7660_COM10 0x15
46 #define OV7660_RSVD16 0x16
47 #define OV7660_HSTART 0x17
48 #define OV7660_HSTOP 0x18
49 #define OV7660_VSTART 0x19
50 #define OV7660_VSTOP 0x1a
51 #define OV7660_PSHFT 0x1b
52 #define OV7660_MIDH 0x1c
53 #define OV7660_MIDL 0x1d
54 #define OV7660_MVFP 0x1e
55 #define OV7660_LAEC 0x1f
56 #define OV7660_BOS 0x20
57 #define OV7660_GBOS 0x21
58 #define OV7660_GROS 0x22
59 #define OV7660_ROS 0x23
60 #define OV7660_AEW 0x24
61 #define OV7660_AEB 0x25
62 #define OV7660_VPT 0x26
63 #define OV7660_BBIAS 0x27
64 #define OV7660_GbBIAS 0x28
65 #define OV7660_RSVD29 0x29
66 #define OV7660_RBIAS 0x2c
67 #define OV7660_HREF 0x32
68 #define OV7660_ADC 0x37
69 #define OV7660_OFON 0x39
70 #define OV7660_TSLB 0x3a
71 #define OV7660_COM12 0x3c
72 #define OV7660_COM13 0x3d
73 #define OV7660_LCC1 0x62
74 #define OV7660_LCC2 0x63
75 #define OV7660_LCC3 0x64
76 #define OV7660_LCC4 0x65
77 #define OV7660_LCC5 0x66
78 #define OV7660_HV 0x69
79 #define OV7660_RSVDA1 0xa1
81 #define OV7660_DEFAULT_GAIN 0x0e
82 #define OV7660_DEFAULT_RED_GAIN 0x80
83 #define OV7660_DEFAULT_BLUE_GAIN 0x80
84 #define OV7660_DEFAULT_SATURATION 0x00
85 #define OV7660_DEFAULT_EXPOSURE 0x20
87 /* Kernel module parameters */
88 extern int force_sensor
;
89 extern bool dump_sensor
;
91 int ov7660_probe(struct sd
*sd
);
92 int ov7660_init(struct sd
*sd
);
93 int ov7660_start(struct sd
*sd
);
94 int ov7660_stop(struct sd
*sd
);
95 void ov7660_disconnect(struct sd
*sd
);
97 static const struct m5602_sensor ov7660
= {
101 .probe
= ov7660_probe
,
103 .start
= ov7660_start
,
105 .disconnect
= ov7660_disconnect
,
108 static const unsigned char preinit_ov7660
[][4] = {
109 {BRIDGE
, M5602_XB_MCU_CLK_DIV
, 0x02},
110 {BRIDGE
, M5602_XB_MCU_CLK_CTRL
, 0xb0},
111 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
112 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
113 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
114 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0d},
115 {BRIDGE
, M5602_XB_SENSOR_CTRL
, 0x00},
116 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x03},
117 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x03},
118 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
119 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
121 {SENSOR
, OV7660_OFON
, 0x0c},
122 {SENSOR
, OV7660_COM2
, 0x11},
123 {SENSOR
, OV7660_COM7
, 0x05},
125 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x01},
126 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x04},
127 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
128 {BRIDGE
, M5602_XB_GPIO_DIR_H
, 0x06},
129 {BRIDGE
, M5602_XB_GPIO_DAT_H
, 0x00},
130 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x08},
131 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
132 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
133 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
134 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
135 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
136 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x05},
137 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x00},
138 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
139 {BRIDGE
, M5602_XB_GPIO_EN_L
, 0x00}
142 static const unsigned char init_ov7660
[][4] = {
143 {BRIDGE
, M5602_XB_MCU_CLK_DIV
, 0x02},
144 {BRIDGE
, M5602_XB_MCU_CLK_CTRL
, 0xb0},
145 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
146 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
147 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
148 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0d},
149 {BRIDGE
, M5602_XB_SENSOR_CTRL
, 0x00},
150 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x01},
151 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x01},
152 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
153 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
154 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
155 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
156 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x05},
157 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x00},
158 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
159 {BRIDGE
, M5602_XB_GPIO_EN_L
, 0x00},
160 {SENSOR
, OV7660_COM7
, 0x80},
161 {SENSOR
, OV7660_CLKRC
, 0x80},
162 {SENSOR
, OV7660_COM9
, 0x4c},
163 {SENSOR
, OV7660_OFON
, 0x43},
164 {SENSOR
, OV7660_COM12
, 0x28},
165 {SENSOR
, OV7660_COM8
, 0x00},
166 {SENSOR
, OV7660_COM10
, 0x40},
167 {SENSOR
, OV7660_HSTART
, 0x0c},
168 {SENSOR
, OV7660_HSTOP
, 0x61},
169 {SENSOR
, OV7660_HREF
, 0xa4},
170 {SENSOR
, OV7660_PSHFT
, 0x0b},
171 {SENSOR
, OV7660_VSTART
, 0x01},
172 {SENSOR
, OV7660_VSTOP
, 0x7a},
173 {SENSOR
, OV7660_VSTOP
, 0x00},
174 {SENSOR
, OV7660_COM7
, 0x05},
175 {SENSOR
, OV7660_COM6
, 0x42},
176 {SENSOR
, OV7660_BBIAS
, 0x94},
177 {SENSOR
, OV7660_GbBIAS
, 0x94},
178 {SENSOR
, OV7660_RSVD29
, 0x94},
179 {SENSOR
, OV7660_RBIAS
, 0x94},
180 {SENSOR
, OV7660_COM1
, 0x00},
181 {SENSOR
, OV7660_AECH
, 0x00},
182 {SENSOR
, OV7660_AECHH
, 0x00},
183 {SENSOR
, OV7660_ADC
, 0x05},
184 {SENSOR
, OV7660_COM13
, 0x00},
185 {SENSOR
, OV7660_RSVDA1
, 0x23},
186 {SENSOR
, OV7660_TSLB
, 0x0d},
187 {SENSOR
, OV7660_HV
, 0x80},
188 {SENSOR
, OV7660_LCC1
, 0x00},
189 {SENSOR
, OV7660_LCC2
, 0x00},
190 {SENSOR
, OV7660_LCC3
, 0x10},
191 {SENSOR
, OV7660_LCC4
, 0x40},
192 {SENSOR
, OV7660_LCC5
, 0x01},
194 {SENSOR
, OV7660_AECH
, 0x20},
195 {SENSOR
, OV7660_COM1
, 0x00},
196 {SENSOR
, OV7660_OFON
, 0x0c},
197 {SENSOR
, OV7660_COM2
, 0x11},
198 {SENSOR
, OV7660_COM7
, 0x05},
199 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x01},
200 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x04},
201 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
202 {BRIDGE
, M5602_XB_GPIO_DIR_H
, 0x06},
203 {BRIDGE
, M5602_XB_GPIO_DAT_H
, 0x00},
204 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x08},
205 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
206 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
207 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
208 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
209 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
210 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x05},
211 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x00},
212 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
213 {BRIDGE
, M5602_XB_GPIO_EN_L
, 0x00},
214 {SENSOR
, OV7660_AECH
, 0x5f},
215 {SENSOR
, OV7660_COM1
, 0x03},
216 {SENSOR
, OV7660_OFON
, 0x0c},
217 {SENSOR
, OV7660_COM2
, 0x11},
218 {SENSOR
, OV7660_COM7
, 0x05},
219 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x01},
220 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x04},
221 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
222 {BRIDGE
, M5602_XB_GPIO_DIR_H
, 0x06},
223 {BRIDGE
, M5602_XB_GPIO_DAT_H
, 0x00},
224 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x08},
225 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
226 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
227 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
228 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
229 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
230 {BRIDGE
, M5602_XB_GPIO_DIR
, 0x05},
231 {BRIDGE
, M5602_XB_GPIO_DAT
, 0x00},
232 {BRIDGE
, M5602_XB_GPIO_EN_H
, 0x06},
233 {BRIDGE
, M5602_XB_GPIO_EN_L
, 0x00},
235 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x06},
236 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},
237 {BRIDGE
, M5602_XB_ADC_CTRL
, 0xc0},
238 {BRIDGE
, M5602_XB_SENSOR_TYPE
, 0x0c},
239 {BRIDGE
, M5602_XB_LINE_OF_FRAME_H
, 0x81},
240 {BRIDGE
, M5602_XB_PIX_OF_LINE_H
, 0x82},
241 {BRIDGE
, M5602_XB_SIG_INI
, 0x01},
242 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x00},
243 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x08},
244 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x00},
245 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x00},
246 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x01},
247 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0xec},
248 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x00},
249 {BRIDGE
, M5602_XB_VSYNC_PARA
, 0x00},
250 {BRIDGE
, M5602_XB_SIG_INI
, 0x00},
251 {BRIDGE
, M5602_XB_SIG_INI
, 0x02},
252 {BRIDGE
, M5602_XB_HSYNC_PARA
, 0x00},
253 {BRIDGE
, M5602_XB_HSYNC_PARA
, 0x27},
254 {BRIDGE
, M5602_XB_HSYNC_PARA
, 0x02},
255 {BRIDGE
, M5602_XB_HSYNC_PARA
, 0xa7},
256 {BRIDGE
, M5602_XB_SIG_INI
, 0x00},
257 {BRIDGE
, M5602_XB_SEN_CLK_DIV
, 0x00},
258 {BRIDGE
, M5602_XB_SEN_CLK_CTRL
, 0xb0},