1 /*
2  * Driver for the ov7660 sensor
3  *
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>
7  *
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
12  *
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.
16  *
17  */
18 
19 #ifndef M5602_OV7660_H_
20 #define M5602_OV7660_H_
21 
22 #include "m5602_sensor.h"
23 
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
80 
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
86 
87 /* Kernel module parameters */
88 extern int force_sensor;
89 extern bool dump_sensor;
90 
91 int ov7660_probe(struct sd *sd);
92 int ov7660_init(struct sd *sd);
93 int ov7660_init(struct sd *sd);
94 int ov7660_init_controls(struct sd *sd);
95 int ov7660_start(struct sd *sd);
96 int ov7660_stop(struct sd *sd);
97 void ov7660_disconnect(struct sd *sd);
98 
99 static const struct m5602_sensor ov7660 = {
100 	.name = "ov7660",
101 	.i2c_slave_id = 0x42,
102 	.i2c_regW = 1,
103 	.probe = ov7660_probe,
104 	.init = ov7660_init,
105 	.init_controls = ov7660_init_controls,
106 	.start = ov7660_start,
107 	.stop = ov7660_stop,
108 	.disconnect = ov7660_disconnect,
109 };
110 
111 static const unsigned char preinit_ov7660[][4] = {
112 	{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
113 	{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
114 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
115 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
116 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
117 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d},
118 	{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
119 	{BRIDGE, M5602_XB_GPIO_DIR, 0x03},
120 	{BRIDGE, M5602_XB_GPIO_DIR, 0x03},
121 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
122 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
123 
124 	{SENSOR, OV7660_OFON, 0x0c},
125 	{SENSOR, OV7660_COM2, 0x11},
126 	{SENSOR, OV7660_COM7, 0x05},
127 
128 	{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
129 	{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
130 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
131 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
132 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
133 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08},
134 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
135 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
136 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
137 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
138 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
139 	{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
140 	{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
141 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
142 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00}
143 };
144 
145 static const unsigned char init_ov7660[][4] = {
146 	{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
147 	{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
148 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
149 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
150 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
151 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d},
152 	{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
153 	{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
154 	{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
155 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
156 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
157 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
158 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
159 	{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
160 	{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
161 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
162 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00},
163 	{SENSOR, OV7660_COM7, 0x80},
164 	{SENSOR, OV7660_CLKRC, 0x80},
165 	{SENSOR, OV7660_COM9, 0x4c},
166 	{SENSOR, OV7660_OFON, 0x43},
167 	{SENSOR, OV7660_COM12, 0x28},
168 	{SENSOR, OV7660_COM8, 0x00},
169 	{SENSOR, OV7660_COM10, 0x40},
170 	{SENSOR, OV7660_HSTART, 0x0c},
171 	{SENSOR, OV7660_HSTOP, 0x61},
172 	{SENSOR, OV7660_HREF, 0xa4},
173 	{SENSOR, OV7660_PSHFT, 0x0b},
174 	{SENSOR, OV7660_VSTART, 0x01},
175 	{SENSOR, OV7660_VSTOP, 0x7a},
176 	{SENSOR, OV7660_VSTOP, 0x00},
177 	{SENSOR, OV7660_COM7, 0x05},
178 	{SENSOR, OV7660_COM6, 0x42},
179 	{SENSOR, OV7660_BBIAS, 0x94},
180 	{SENSOR, OV7660_GbBIAS, 0x94},
181 	{SENSOR, OV7660_RSVD29, 0x94},
182 	{SENSOR, OV7660_RBIAS, 0x94},
183 	{SENSOR, OV7660_COM1, 0x00},
184 	{SENSOR, OV7660_AECH, 0x00},
185 	{SENSOR, OV7660_AECHH, 0x00},
186 	{SENSOR, OV7660_ADC, 0x05},
187 	{SENSOR, OV7660_COM13, 0x00},
188 	{SENSOR, OV7660_RSVDA1, 0x23},
189 	{SENSOR, OV7660_TSLB, 0x0d},
190 	{SENSOR, OV7660_HV, 0x80},
191 	{SENSOR, OV7660_LCC1, 0x00},
192 	{SENSOR, OV7660_LCC2, 0x00},
193 	{SENSOR, OV7660_LCC3, 0x10},
194 	{SENSOR, OV7660_LCC4, 0x40},
195 	{SENSOR, OV7660_LCC5, 0x01},
196 
197 	{SENSOR, OV7660_AECH, 0x20},
198 	{SENSOR, OV7660_COM1, 0x00},
199 	{SENSOR, OV7660_OFON, 0x0c},
200 	{SENSOR, OV7660_COM2, 0x11},
201 	{SENSOR, OV7660_COM7, 0x05},
202 	{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
203 	{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
204 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
205 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
206 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
207 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08},
208 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
209 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
210 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
211 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
212 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
213 	{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
214 	{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
215 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
216 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00},
217 	{SENSOR, OV7660_AECH, 0x5f},
218 	{SENSOR, OV7660_COM1, 0x03},
219 	{SENSOR, OV7660_OFON, 0x0c},
220 	{SENSOR, OV7660_COM2, 0x11},
221 	{SENSOR, OV7660_COM7, 0x05},
222 	{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
223 	{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
224 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
225 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
226 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
227 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x08},
228 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
229 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
230 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
231 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
232 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
233 	{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
234 	{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
235 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
236 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00},
237 
238 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06},
239 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
240 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
241 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0c},
242 	{BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81},
243 	{BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82},
244 	{BRIDGE, M5602_XB_SIG_INI, 0x01},
245 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
246 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x08},
247 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
248 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
249 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x01},
250 	{BRIDGE, M5602_XB_VSYNC_PARA, 0xec},
251 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
252 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00},
253 	{BRIDGE, M5602_XB_SIG_INI, 0x00},
254 	{BRIDGE, M5602_XB_SIG_INI, 0x02},
255 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x00},
256 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x27},
257 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x02},
258 	{BRIDGE, M5602_XB_HSYNC_PARA, 0xa7},
259 	{BRIDGE, M5602_XB_SIG_INI, 0x00},
260 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
261 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
262 };
263 #endif
264