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allow coexistance of N build and AC build.
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / media / video / sn9c102 / sn9c102_ov7660.c
blob4b6474048a72976a66638f8896edc36dc5aa79e0
1 /***************************************************************************
2 * Plug-in for OV7660 image sensor connected to the SN9C1xx PC Camera *
3 * Controllers *
4 * *
5 * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
6 * *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
11 * *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
16 * *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the Free Software *
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
20 ***************************************************************************/
21
22 #include "sn9c102_sensor.h"
23
24
25 static int ov7660_init(struct sn9c102_device* cam)
26 {
27 int err = 0;
28
29 err = sn9c102_write_const_regs(cam, {0x40, 0x02}, {0x00, 0x03},
30 {0x1a, 0x04}, {0x03, 0x10},
31 {0x08, 0x14}, {0x20, 0x17},
32 {0x8b, 0x18}, {0x00, 0x19},
33 {0x1d, 0x1a}, {0x10, 0x1b},
34 {0x02, 0x1c}, {0x03, 0x1d},
35 {0x0f, 0x1e}, {0x0c, 0x1f},
36 {0x00, 0x20}, {0x29, 0x21},
37 {0x40, 0x22}, {0x54, 0x23},
38 {0x66, 0x24}, {0x76, 0x25},
39 {0x85, 0x26}, {0x94, 0x27},
40 {0xa1, 0x28}, {0xae, 0x29},
41 {0xbb, 0x2a}, {0xc7, 0x2b},
42 {0xd3, 0x2c}, {0xde, 0x2d},
43 {0xea, 0x2e}, {0xf4, 0x2f},
44 {0xff, 0x30}, {0x00, 0x3F},
45 {0xC7, 0x40}, {0x01, 0x41},
46 {0x44, 0x42}, {0x00, 0x43},
47 {0x44, 0x44}, {0x00, 0x45},
48 {0x44, 0x46}, {0x00, 0x47},
49 {0xC7, 0x48}, {0x01, 0x49},
50 {0xC7, 0x4A}, {0x01, 0x4B},
51 {0xC7, 0x4C}, {0x01, 0x4D},
52 {0x44, 0x4E}, {0x00, 0x4F},
53 {0x44, 0x50}, {0x00, 0x51},
54 {0x44, 0x52}, {0x00, 0x53},
55 {0xC7, 0x54}, {0x01, 0x55},
56 {0xC7, 0x56}, {0x01, 0x57},
57 {0xC7, 0x58}, {0x01, 0x59},
58 {0x44, 0x5A}, {0x00, 0x5B},
59 {0x44, 0x5C}, {0x00, 0x5D},
60 {0x44, 0x5E}, {0x00, 0x5F},
61 {0xC7, 0x60}, {0x01, 0x61},
62 {0xC7, 0x62}, {0x01, 0x63},
63 {0xC7, 0x64}, {0x01, 0x65},
64 {0x44, 0x66}, {0x00, 0x67},
65 {0x44, 0x68}, {0x00, 0x69},
66 {0x44, 0x6A}, {0x00, 0x6B},
67 {0xC7, 0x6C}, {0x01, 0x6D},
68 {0xC7, 0x6E}, {0x01, 0x6F},
69 {0xC7, 0x70}, {0x01, 0x71},
70 {0x44, 0x72}, {0x00, 0x73},
71 {0x44, 0x74}, {0x00, 0x75},
72 {0x44, 0x76}, {0x00, 0x77},
73 {0xC7, 0x78}, {0x01, 0x79},
74 {0xC7, 0x7A}, {0x01, 0x7B},
75 {0xC7, 0x7C}, {0x01, 0x7D},
76 {0x44, 0x7E}, {0x00, 0x7F},
77 {0x14, 0x84}, {0x00, 0x85},
78 {0x27, 0x86}, {0x00, 0x87},
79 {0x07, 0x88}, {0x00, 0x89},
80 {0xEC, 0x8A}, {0x0f, 0x8B},
81 {0xD8, 0x8C}, {0x0f, 0x8D},
82 {0x3D, 0x8E}, {0x00, 0x8F},
83 {0x3D, 0x90}, {0x00, 0x91},
84 {0xCD, 0x92}, {0x0f, 0x93},
85 {0xf7, 0x94}, {0x0f, 0x95},
86 {0x0C, 0x96}, {0x00, 0x97},
87 {0x00, 0x98}, {0x66, 0x99},
88 {0x05, 0x9A}, {0x00, 0x9B},
89 {0x04, 0x9C}, {0x00, 0x9D},
90 {0x08, 0x9E}, {0x00, 0x9F},
91 {0x2D, 0xC0}, {0x2D, 0xC1},
92 {0x3A, 0xC2}, {0x05, 0xC3},
93 {0x04, 0xC4}, {0x3F, 0xC5},
94 {0x00, 0xC6}, {0x00, 0xC7},
95 {0x50, 0xC8}, {0x3C, 0xC9},
96 {0x28, 0xCA}, {0xD8, 0xCB},
97 {0x14, 0xCC}, {0xEC, 0xCD},
98 {0x32, 0xCE}, {0xDD, 0xCF},
99 {0x32, 0xD0}, {0xDD, 0xD1},
100 {0x6A, 0xD2}, {0x50, 0xD3},
101 {0x00, 0xD4}, {0x00, 0xD5},
102 {0x00, 0xD6});
103
104 err += sn9c102_i2c_write(cam, 0x12, 0x80);
105 err += sn9c102_i2c_write(cam, 0x11, 0x09);
106 err += sn9c102_i2c_write(cam, 0x00, 0x0A);
107 err += sn9c102_i2c_write(cam, 0x01, 0x80);
108 err += sn9c102_i2c_write(cam, 0x02, 0x80);
109 err += sn9c102_i2c_write(cam, 0x03, 0x00);
110 err += sn9c102_i2c_write(cam, 0x04, 0x00);
111 err += sn9c102_i2c_write(cam, 0x05, 0x08);
112 err += sn9c102_i2c_write(cam, 0x06, 0x0B);
113 err += sn9c102_i2c_write(cam, 0x07, 0x00);
114 err += sn9c102_i2c_write(cam, 0x08, 0x1C);
115 err += sn9c102_i2c_write(cam, 0x09, 0x01);
116 err += sn9c102_i2c_write(cam, 0x0A, 0x76);
117 err += sn9c102_i2c_write(cam, 0x0B, 0x60);
118 err += sn9c102_i2c_write(cam, 0x0C, 0x00);
119 err += sn9c102_i2c_write(cam, 0x0D, 0x08);
120 err += sn9c102_i2c_write(cam, 0x0E, 0x04);
121 err += sn9c102_i2c_write(cam, 0x0F, 0x6F);
122 err += sn9c102_i2c_write(cam, 0x10, 0x20);
123 err += sn9c102_i2c_write(cam, 0x11, 0x03);
124 err += sn9c102_i2c_write(cam, 0x12, 0x05);
125 err += sn9c102_i2c_write(cam, 0x13, 0xC7);
126 err += sn9c102_i2c_write(cam, 0x14, 0x2C);
127 err += sn9c102_i2c_write(cam, 0x15, 0x00);
128 err += sn9c102_i2c_write(cam, 0x16, 0x02);
129 err += sn9c102_i2c_write(cam, 0x17, 0x10);
130 err += sn9c102_i2c_write(cam, 0x18, 0x60);
131 err += sn9c102_i2c_write(cam, 0x19, 0x02);
132 err += sn9c102_i2c_write(cam, 0x1A, 0x7B);
133 err += sn9c102_i2c_write(cam, 0x1B, 0x02);
134 err += sn9c102_i2c_write(cam, 0x1C, 0x7F);
135 err += sn9c102_i2c_write(cam, 0x1D, 0xA2);
136 err += sn9c102_i2c_write(cam, 0x1E, 0x01);
137 err += sn9c102_i2c_write(cam, 0x1F, 0x0E);
138 err += sn9c102_i2c_write(cam, 0x20, 0x05);
139 err += sn9c102_i2c_write(cam, 0x21, 0x05);
140 err += sn9c102_i2c_write(cam, 0x22, 0x05);
141 err += sn9c102_i2c_write(cam, 0x23, 0x05);
142 err += sn9c102_i2c_write(cam, 0x24, 0x68);
143 err += sn9c102_i2c_write(cam, 0x25, 0x58);
144 err += sn9c102_i2c_write(cam, 0x26, 0xD4);
145 err += sn9c102_i2c_write(cam, 0x27, 0x80);
146 err += sn9c102_i2c_write(cam, 0x28, 0x80);
147 err += sn9c102_i2c_write(cam, 0x29, 0x30);
148 err += sn9c102_i2c_write(cam, 0x2A, 0x00);
149 err += sn9c102_i2c_write(cam, 0x2B, 0x00);
150 err += sn9c102_i2c_write(cam, 0x2C, 0x80);
151 err += sn9c102_i2c_write(cam, 0x2D, 0x00);
152 err += sn9c102_i2c_write(cam, 0x2E, 0x00);
153 err += sn9c102_i2c_write(cam, 0x2F, 0x0E);
154 err += sn9c102_i2c_write(cam, 0x30, 0x08);
155 err += sn9c102_i2c_write(cam, 0x31, 0x30);
156 err += sn9c102_i2c_write(cam, 0x32, 0xB4);
157 err += sn9c102_i2c_write(cam, 0x33, 0x00);
158 err += sn9c102_i2c_write(cam, 0x34, 0x07);
159 err += sn9c102_i2c_write(cam, 0x35, 0x84);
160 err += sn9c102_i2c_write(cam, 0x36, 0x00);
161 err += sn9c102_i2c_write(cam, 0x37, 0x0C);
162 err += sn9c102_i2c_write(cam, 0x38, 0x02);
163 err += sn9c102_i2c_write(cam, 0x39, 0x43);
164 err += sn9c102_i2c_write(cam, 0x3A, 0x00);
165 err += sn9c102_i2c_write(cam, 0x3B, 0x0A);
166 err += sn9c102_i2c_write(cam, 0x3C, 0x6C);
167 err += sn9c102_i2c_write(cam, 0x3D, 0x99);
168 err += sn9c102_i2c_write(cam, 0x3E, 0x0E);
169 err += sn9c102_i2c_write(cam, 0x3F, 0x41);
170 err += sn9c102_i2c_write(cam, 0x40, 0xC1);
171 err += sn9c102_i2c_write(cam, 0x41, 0x22);
172 err += sn9c102_i2c_write(cam, 0x42, 0x08);
173 err += sn9c102_i2c_write(cam, 0x43, 0xF0);
174 err += sn9c102_i2c_write(cam, 0x44, 0x10);
175 err += sn9c102_i2c_write(cam, 0x45, 0x78);
176 err += sn9c102_i2c_write(cam, 0x46, 0xA8);
177 err += sn9c102_i2c_write(cam, 0x47, 0x60);
178 err += sn9c102_i2c_write(cam, 0x48, 0x80);
179 err += sn9c102_i2c_write(cam, 0x49, 0x00);
180 err += sn9c102_i2c_write(cam, 0x4A, 0x00);
181 err += sn9c102_i2c_write(cam, 0x4B, 0x00);
182 err += sn9c102_i2c_write(cam, 0x4C, 0x00);
183 err += sn9c102_i2c_write(cam, 0x4D, 0x00);
184 err += sn9c102_i2c_write(cam, 0x4E, 0x00);
185 err += sn9c102_i2c_write(cam, 0x4F, 0x46);
186 err += sn9c102_i2c_write(cam, 0x50, 0x36);
187 err += sn9c102_i2c_write(cam, 0x51, 0x0F);
188 err += sn9c102_i2c_write(cam, 0x52, 0x17);
189 err += sn9c102_i2c_write(cam, 0x53, 0x7F);
190 err += sn9c102_i2c_write(cam, 0x54, 0x96);
191 err += sn9c102_i2c_write(cam, 0x55, 0x40);
192 err += sn9c102_i2c_write(cam, 0x56, 0x40);
193 err += sn9c102_i2c_write(cam, 0x57, 0x40);
194 err += sn9c102_i2c_write(cam, 0x58, 0x0F);
195 err += sn9c102_i2c_write(cam, 0x59, 0xBA);
196 err += sn9c102_i2c_write(cam, 0x5A, 0x9A);
197 err += sn9c102_i2c_write(cam, 0x5B, 0x22);
198 err += sn9c102_i2c_write(cam, 0x5C, 0xB9);
199 err += sn9c102_i2c_write(cam, 0x5D, 0x9B);
200 err += sn9c102_i2c_write(cam, 0x5E, 0x10);
201 err += sn9c102_i2c_write(cam, 0x5F, 0xF0);
202 err += sn9c102_i2c_write(cam, 0x60, 0x05);
203 err += sn9c102_i2c_write(cam, 0x61, 0x60);
204 err += sn9c102_i2c_write(cam, 0x62, 0x00);
205 err += sn9c102_i2c_write(cam, 0x63, 0x00);
206 err += sn9c102_i2c_write(cam, 0x64, 0x50);
207 err += sn9c102_i2c_write(cam, 0x65, 0x30);
208 err += sn9c102_i2c_write(cam, 0x66, 0x00);
209 err += sn9c102_i2c_write(cam, 0x67, 0x80);
210 err += sn9c102_i2c_write(cam, 0x68, 0x7A);
211 err += sn9c102_i2c_write(cam, 0x69, 0x90);
212 err += sn9c102_i2c_write(cam, 0x6A, 0x80);
213 err += sn9c102_i2c_write(cam, 0x6B, 0x0A);
214 err += sn9c102_i2c_write(cam, 0x6C, 0x30);
215 err += sn9c102_i2c_write(cam, 0x6D, 0x48);
216 err += sn9c102_i2c_write(cam, 0x6E, 0x80);
217 err += sn9c102_i2c_write(cam, 0x6F, 0x74);
218 err += sn9c102_i2c_write(cam, 0x70, 0x64);
219 err += sn9c102_i2c_write(cam, 0x71, 0x60);
220 err += sn9c102_i2c_write(cam, 0x72, 0x5C);
221 err += sn9c102_i2c_write(cam, 0x73, 0x58);
222 err += sn9c102_i2c_write(cam, 0x74, 0x54);
223 err += sn9c102_i2c_write(cam, 0x75, 0x4C);
224 err += sn9c102_i2c_write(cam, 0x76, 0x40);
225 err += sn9c102_i2c_write(cam, 0x77, 0x38);
226 err += sn9c102_i2c_write(cam, 0x78, 0x34);
227 err += sn9c102_i2c_write(cam, 0x79, 0x30);
228 err += sn9c102_i2c_write(cam, 0x7A, 0x2F);
229 err += sn9c102_i2c_write(cam, 0x7B, 0x2B);
230 err += sn9c102_i2c_write(cam, 0x7C, 0x03);
231 err += sn9c102_i2c_write(cam, 0x7D, 0x07);
232 err += sn9c102_i2c_write(cam, 0x7E, 0x17);
233 err += sn9c102_i2c_write(cam, 0x7F, 0x34);
234 err += sn9c102_i2c_write(cam, 0x80, 0x41);
235 err += sn9c102_i2c_write(cam, 0x81, 0x4D);
236 err += sn9c102_i2c_write(cam, 0x82, 0x58);
237 err += sn9c102_i2c_write(cam, 0x83, 0x63);
238 err += sn9c102_i2c_write(cam, 0x84, 0x6E);
239 err += sn9c102_i2c_write(cam, 0x85, 0x77);
240 err += sn9c102_i2c_write(cam, 0x86, 0x87);
241 err += sn9c102_i2c_write(cam, 0x87, 0x95);
242 err += sn9c102_i2c_write(cam, 0x88, 0xAF);
243 err += sn9c102_i2c_write(cam, 0x89, 0xC7);
244 err += sn9c102_i2c_write(cam, 0x8A, 0xDF);
245 err += sn9c102_i2c_write(cam, 0x8B, 0x99);
246 err += sn9c102_i2c_write(cam, 0x8C, 0x99);
247 err += sn9c102_i2c_write(cam, 0x8D, 0xCF);
248 err += sn9c102_i2c_write(cam, 0x8E, 0x20);
249 err += sn9c102_i2c_write(cam, 0x8F, 0x26);
250 err += sn9c102_i2c_write(cam, 0x90, 0x10);
251 err += sn9c102_i2c_write(cam, 0x91, 0x0C);
252 err += sn9c102_i2c_write(cam, 0x92, 0x25);
253 err += sn9c102_i2c_write(cam, 0x93, 0x00);
254 err += sn9c102_i2c_write(cam, 0x94, 0x50);
255 err += sn9c102_i2c_write(cam, 0x95, 0x50);
256 err += sn9c102_i2c_write(cam, 0x96, 0x00);
257 err += sn9c102_i2c_write(cam, 0x97, 0x01);
258 err += sn9c102_i2c_write(cam, 0x98, 0x10);
259 err += sn9c102_i2c_write(cam, 0x99, 0x40);
260 err += sn9c102_i2c_write(cam, 0x9A, 0x40);
261 err += sn9c102_i2c_write(cam, 0x9B, 0x20);
262 err += sn9c102_i2c_write(cam, 0x9C, 0x00);
263 err += sn9c102_i2c_write(cam, 0x9D, 0x99);
264 err += sn9c102_i2c_write(cam, 0x9E, 0x7F);
265 err += sn9c102_i2c_write(cam, 0x9F, 0x00);
266 err += sn9c102_i2c_write(cam, 0xA0, 0x00);
267 err += sn9c102_i2c_write(cam, 0xA1, 0x00);
268
269 return err;
270 }
271
272
273 static int ov7660_get_ctrl(struct sn9c102_device* cam,
274 struct v4l2_control* ctrl)
275 {
276 int err = 0;
277
278 switch (ctrl->id) {
279 case V4L2_CID_EXPOSURE:
280 if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
281 return -EIO;
282 break;
283 case V4L2_CID_DO_WHITE_BALANCE:
284 if ((ctrl->value = sn9c102_read_reg(cam, 0x02)) < 0)
285 return -EIO;
286 ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
287 break;
288 case V4L2_CID_RED_BALANCE:
289 if ((ctrl->value = sn9c102_read_reg(cam, 0x05)) < 0)
290 return -EIO;
291 ctrl->value &= 0x7f;
292 break;
293 case V4L2_CID_BLUE_BALANCE:
294 if ((ctrl->value = sn9c102_read_reg(cam, 0x06)) < 0)
295 return -EIO;
296 ctrl->value &= 0x7f;
297 break;
298 case SN9C102_V4L2_CID_GREEN_BALANCE:
299 if ((ctrl->value = sn9c102_read_reg(cam, 0x07)) < 0)
300 return -EIO;
301 ctrl->value &= 0x7f;
302 break;
303 case SN9C102_V4L2_CID_BAND_FILTER:
304 if ((ctrl->value = sn9c102_i2c_read(cam, 0x3b)) < 0)
305 return -EIO;
306 ctrl->value &= 0x08;
307 break;
308 case V4L2_CID_GAIN:
309 if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
310 return -EIO;
311 ctrl->value &= 0x1f;
312 break;
313 case V4L2_CID_AUTOGAIN:
314 if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
315 return -EIO;
316 ctrl->value &= 0x01;
317 break;
318 default:
319 return -EINVAL;
320 }
321
322 return err ? -EIO : 0;
323 }
324
325
326 static int ov7660_set_ctrl(struct sn9c102_device* cam,
327 const struct v4l2_control* ctrl)
328 {
329 int err = 0;
330
331 switch (ctrl->id) {
332 case V4L2_CID_EXPOSURE:
333 err += sn9c102_i2c_write(cam, 0x10, ctrl->value);
334 break;
335 case V4L2_CID_DO_WHITE_BALANCE:
336 err += sn9c102_write_reg(cam, 0x43 | (ctrl->value << 2), 0x02);
337 break;
338 case V4L2_CID_RED_BALANCE:
339 err += sn9c102_write_reg(cam, ctrl->value, 0x05);
340 break;
341 case V4L2_CID_BLUE_BALANCE:
342 err += sn9c102_write_reg(cam, ctrl->value, 0x06);
343 break;
344 case SN9C102_V4L2_CID_GREEN_BALANCE:
345 err += sn9c102_write_reg(cam, ctrl->value, 0x07);
346 break;
347 case SN9C102_V4L2_CID_BAND_FILTER:
348 err += sn9c102_i2c_write(cam, ctrl->value << 3, 0x3b);
349 break;
350 case V4L2_CID_GAIN:
351 err += sn9c102_i2c_write(cam, 0x00, 0x60 + ctrl->value);
352 break;
353 case V4L2_CID_AUTOGAIN:
354 err += sn9c102_i2c_write(cam, 0x13, 0xc0 |
355 (ctrl->value * 0x07));
356 break;
357 default:
358 return -EINVAL;
359 }
360
361 return err ? -EIO : 0;
362 }
363
364
365 static int ov7660_set_crop(struct sn9c102_device* cam,
366 const struct v4l2_rect* rect)
367 {
368 struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
369 int err = 0;
370 u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1,
371 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
372
373 err += sn9c102_write_reg(cam, h_start, 0x12);
374 err += sn9c102_write_reg(cam, v_start, 0x13);
375
376 return err;
377 }
378
379
380 static int ov7660_set_pix_format(struct sn9c102_device* cam,
381 const struct v4l2_pix_format* pix)
382 {
383 int r0, err = 0;
384
385 r0 = sn9c102_pread_reg(cam, 0x01);
386
387 if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
388 err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
389 err += sn9c102_write_reg(cam, 0xa2, 0x17);
390 err += sn9c102_i2c_write(cam, 0x11, 0x00);
391 } else {
392 err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
393 err += sn9c102_write_reg(cam, 0xa2, 0x17);
394 err += sn9c102_i2c_write(cam, 0x11, 0x0d);
395 }
396
397 return err;
398 }
399
400
401 static const struct sn9c102_sensor ov7660 = {
402 .name = "OV7660",
403 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
404 .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
405 .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
406 .frequency = SN9C102_I2C_100KHZ,
407 .interface = SN9C102_I2C_2WIRES,
408 .i2c_slave_id = 0x21,
409 .init = &ov7660_init,
410 .qctrl = {
411 {
412 .id = V4L2_CID_GAIN,
413 .type = V4L2_CTRL_TYPE_INTEGER,
414 .name = "global gain",
415 .minimum = 0x00,
416 .maximum = 0x1f,
417 .step = 0x01,
418 .default_value = 0x09,
419 .flags = 0,
420 },
421 {
422 .id = V4L2_CID_EXPOSURE,
423 .type = V4L2_CTRL_TYPE_INTEGER,
424 .name = "exposure",
425 .minimum = 0x00,
426 .maximum = 0xff,
427 .step = 0x01,
428 .default_value = 0x27,
429 .flags = 0,
430 },
431 {
432 .id = V4L2_CID_DO_WHITE_BALANCE,
433 .type = V4L2_CTRL_TYPE_BOOLEAN,
434 .name = "night mode",
435 .minimum = 0x00,
436 .maximum = 0x01,
437 .step = 0x01,
438 .default_value = 0x00,
439 .flags = 0,
440 },
441 {
442 .id = V4L2_CID_RED_BALANCE,
443 .type = V4L2_CTRL_TYPE_INTEGER,
444 .name = "red balance",
445 .minimum = 0x00,
446 .maximum = 0x7f,
447 .step = 0x01,
448 .default_value = 0x14,
449 .flags = 0,
450 },
451 {
452 .id = V4L2_CID_BLUE_BALANCE,
453 .type = V4L2_CTRL_TYPE_INTEGER,
454 .name = "blue balance",
455 .minimum = 0x00,
456 .maximum = 0x7f,
457 .step = 0x01,
458 .default_value = 0x14,
459 .flags = 0,
460 },
461 {
462 .id = V4L2_CID_AUTOGAIN,
463 .type = V4L2_CTRL_TYPE_BOOLEAN,
464 .name = "auto adjust",
465 .minimum = 0x00,
466 .maximum = 0x01,
467 .step = 0x01,
468 .default_value = 0x01,
469 .flags = 0,
470 },
471 {
472 .id = SN9C102_V4L2_CID_GREEN_BALANCE,
473 .type = V4L2_CTRL_TYPE_INTEGER,
474 .name = "green balance",
475 .minimum = 0x00,
476 .maximum = 0x7f,
477 .step = 0x01,
478 .default_value = 0x14,
479 .flags = 0,
480 },
481 {
482 .id = SN9C102_V4L2_CID_BAND_FILTER,
483 .type = V4L2_CTRL_TYPE_BOOLEAN,
484 .name = "band filter",
485 .minimum = 0x00,
486 .maximum = 0x01,
487 .step = 0x01,
488 .default_value = 0x00,
489 .flags = 0,
490 },
491 },
492 .get_ctrl = &ov7660_get_ctrl,
493 .set_ctrl = &ov7660_set_ctrl,
494 .cropcap = {
495 .bounds = {
496 .left = 0,
497 .top = 0,
498 .width = 640,
499 .height = 480,
500 },
501 .defrect = {
502 .left = 0,
503 .top = 0,
504 .width = 640,
505 .height = 480,
506 },
507 },
508 .set_crop = &ov7660_set_crop,
509 .pix_format = {
510 .width = 640,
511 .height = 480,
512 .pixelformat = V4L2_PIX_FMT_JPEG,
513 .priv = 8,
514 },
515 .set_pix_format = &ov7660_set_pix_format
516 };
517
518
519 int sn9c102_probe_ov7660(struct sn9c102_device* cam)
520 {
521 int pid, ver, err;
522
523 err = sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
524 {0x01, 0x01}, {0x00, 0x01},
525 {0x28, 0x17});
526
527 pid = sn9c102_i2c_try_read(cam, &ov7660, 0x0a);
528 ver = sn9c102_i2c_try_read(cam, &ov7660, 0x0b);
529 if (err || pid < 0 || ver < 0)
530 return -EIO;
531 if (pid != 0x76 || ver != 0x60)
532 return -ENODEV;
533
534 sn9c102_attach_sensor(cam, &ov7660);
535
536 return 0;
537 }
Tomato firmware and modifications.