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Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_ov7630.c')
-rw-r--r--drivers/media/video/sn9c102/sn9c102_ov7630.c401
1 files changed, 401 insertions, 0 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c
new file mode 100644
index 000000000000..42852b7cb042
--- /dev/null
+++ b/drivers/media/video/sn9c102/sn9c102_ov7630.c
@@ -0,0 +1,401 @@
1/***************************************************************************
2 * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera *
3 * Controllers *
4 * *
5 * Copyright (C) 2005-2006 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
25static struct sn9c102_sensor ov7630;
26
27
28static int ov7630_init(struct sn9c102_device* cam)
29{
30 int err = 0;
31
32 err += sn9c102_write_reg(cam, 0x00, 0x14);
33 err += sn9c102_write_reg(cam, 0x60, 0x17);
34 err += sn9c102_write_reg(cam, 0x0f, 0x18);
35 err += sn9c102_write_reg(cam, 0x50, 0x19);
36
37 err += sn9c102_i2c_write(cam, 0x12, 0x80);
38 err += sn9c102_i2c_write(cam, 0x11, 0x01);
39 err += sn9c102_i2c_write(cam, 0x15, 0x34);
40 err += sn9c102_i2c_write(cam, 0x16, 0x03);
41 err += sn9c102_i2c_write(cam, 0x17, 0x1c);
42 err += sn9c102_i2c_write(cam, 0x18, 0xbd);
43 err += sn9c102_i2c_write(cam, 0x19, 0x06);
44 err += sn9c102_i2c_write(cam, 0x1a, 0xf6);
45 err += sn9c102_i2c_write(cam, 0x1b, 0x04);
46 err += sn9c102_i2c_write(cam, 0x20, 0xf6);
47 err += sn9c102_i2c_write(cam, 0x23, 0xee);
48 err += sn9c102_i2c_write(cam, 0x26, 0xa0);
49 err += sn9c102_i2c_write(cam, 0x27, 0x9a);
50 err += sn9c102_i2c_write(cam, 0x28, 0xa0);
51 err += sn9c102_i2c_write(cam, 0x29, 0x30);
52 err += sn9c102_i2c_write(cam, 0x2a, 0xa0);
53 err += sn9c102_i2c_write(cam, 0x2b, 0x1f);
54 err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
55 err += sn9c102_i2c_write(cam, 0x30, 0x24);
56 err += sn9c102_i2c_write(cam, 0x32, 0x86);
57 err += sn9c102_i2c_write(cam, 0x60, 0xa9);
58 err += sn9c102_i2c_write(cam, 0x61, 0x42);
59 err += sn9c102_i2c_write(cam, 0x65, 0x00);
60 err += sn9c102_i2c_write(cam, 0x69, 0x38);
61 err += sn9c102_i2c_write(cam, 0x6f, 0x88);
62 err += sn9c102_i2c_write(cam, 0x70, 0x0b);
63 err += sn9c102_i2c_write(cam, 0x71, 0x00);
64 err += sn9c102_i2c_write(cam, 0x74, 0x21);
65 err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
66
67 return err;
68}
69
70
71static int ov7630_set_ctrl(struct sn9c102_device* cam,
72 const struct v4l2_control* ctrl)
73{
74 int err = 0;
75
76 switch (ctrl->id) {
77 case V4L2_CID_EXPOSURE:
78 err += sn9c102_i2c_write(cam, 0x10, ctrl->value >> 2);
79 err += sn9c102_i2c_write(cam, 0x76, ctrl->value & 0x03);
80 break;
81 case V4L2_CID_RED_BALANCE:
82 err += sn9c102_i2c_write(cam, 0x02, ctrl->value);
83 break;
84 case V4L2_CID_BLUE_BALANCE:
85 err += sn9c102_i2c_write(cam, 0x01, ctrl->value);
86 break;
87 case V4L2_CID_GAIN:
88 err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
89 break;
90 case V4L2_CID_CONTRAST:
91 err += ctrl->value ? sn9c102_i2c_write(cam, 0x05,
92 (ctrl->value-1) | 0x20)
93 : sn9c102_i2c_write(cam, 0x05, 0x00);
94 break;
95 case V4L2_CID_BRIGHTNESS:
96 err += sn9c102_i2c_write(cam, 0x06, ctrl->value);
97 break;
98 case V4L2_CID_SATURATION:
99 err += sn9c102_i2c_write(cam, 0x03, ctrl->value << 4);
100 break;
101 case V4L2_CID_HUE:
102 err += ctrl->value ? sn9c102_i2c_write(cam, 0x04,
103 (ctrl->value-1) | 0x20)
104 : sn9c102_i2c_write(cam, 0x04, 0x00);
105 break;
106 case V4L2_CID_DO_WHITE_BALANCE:
107 err += sn9c102_i2c_write(cam, 0x0c, ctrl->value);
108 break;
109 case V4L2_CID_WHITENESS:
110 err += sn9c102_i2c_write(cam, 0x0d, ctrl->value);
111 break;
112 case V4L2_CID_AUTO_WHITE_BALANCE:
113 err += sn9c102_i2c_write(cam, 0x12, (ctrl->value << 2) | 0x78);
114 break;
115 case V4L2_CID_AUTOGAIN:
116 err += sn9c102_i2c_write(cam, 0x13, ctrl->value);
117 break;
118 case V4L2_CID_VFLIP:
119 err += sn9c102_i2c_write(cam, 0x75, 0x0e | (ctrl->value << 7));
120 break;
121 case V4L2_CID_BLACK_LEVEL:
122 err += sn9c102_i2c_write(cam, 0x25, ctrl->value);
123 break;
124 case SN9C102_V4L2_CID_BRIGHT_LEVEL:
125 err += sn9c102_i2c_write(cam, 0x24, ctrl->value);
126 break;
127 case SN9C102_V4L2_CID_GAMMA:
128 err += sn9c102_i2c_write(cam, 0x14, (ctrl->value << 2) | 0x80);
129 break;
130 case SN9C102_V4L2_CID_BAND_FILTER:
131 err += sn9c102_i2c_write(cam, 0x2d, ctrl->value << 2);
132 break;
133 default:
134 return -EINVAL;
135 }
136
137 return err ? -EIO : 0;
138}
139
140
141static int ov7630_set_crop(struct sn9c102_device* cam,
142 const struct v4l2_rect* rect)
143{
144 struct sn9c102_sensor* s = &ov7630;
145 int err = 0;
146 u8 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
147
148 err += sn9c102_write_reg(cam, v_start, 0x13);
149
150 return err;
151}
152
153
154static int ov7630_set_pix_format(struct sn9c102_device* cam,
155 const struct v4l2_pix_format* pix)
156{
157 int err = 0;
158
159 if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
160 err += sn9c102_write_reg(cam, 0x20, 0x19);
161 else
162 err += sn9c102_write_reg(cam, 0x50, 0x19);
163
164 return err;
165}
166
167
168static struct sn9c102_sensor ov7630 = {
169 .name = "OV7630",
170 .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
171 .sysfs_ops = SN9C102_I2C_WRITE,
172 .frequency = SN9C102_I2C_100KHZ,
173 .interface = SN9C102_I2C_2WIRES,
174 .i2c_slave_id = 0x21,
175 .init = &ov7630_init,
176 .qctrl = {
177 {
178 .id = V4L2_CID_GAIN,
179 .type = V4L2_CTRL_TYPE_INTEGER,
180 .name = "global gain",
181 .minimum = 0x00,
182 .maximum = 0x3f,
183 .step = 0x01,
184 .default_value = 0x14,
185 .flags = 0,
186 },
187 {
188 .id = V4L2_CID_HUE,
189 .type = V4L2_CTRL_TYPE_INTEGER,
190 .name = "hue",
191 .minimum = 0x00,
192 .maximum = 0x1f+1,
193 .step = 0x01,
194 .default_value = 0x00,
195 .flags = 0,
196 },
197 {
198 .id = V4L2_CID_SATURATION,
199 .type = V4L2_CTRL_TYPE_INTEGER,
200 .name = "saturation",
201 .minimum = 0x00,
202 .maximum = 0x0f,
203 .step = 0x01,
204 .default_value = 0x08,
205 .flags = 0,
206 },
207 {
208 .id = V4L2_CID_CONTRAST,
209 .type = V4L2_CTRL_TYPE_INTEGER,
210 .name = "contrast",
211 .minimum = 0x00,
212 .maximum = 0x1f+1,
213 .step = 0x01,
214 .default_value = 0x00,
215 .flags = 0,
216 },
217 {
218 .id = V4L2_CID_EXPOSURE,
219 .type = V4L2_CTRL_TYPE_INTEGER,
220 .name = "exposure",
221 .minimum = 0x000,
222 .maximum = 0x3ff,
223 .step = 0x001,
224 .default_value = 0x83<<2,
225 .flags = 0,
226 },
227 {
228 .id = V4L2_CID_RED_BALANCE,
229 .type = V4L2_CTRL_TYPE_INTEGER,
230 .name = "red balance",
231 .minimum = 0x00,
232 .maximum = 0xff,
233 .step = 0x01,
234 .default_value = 0x3a,
235 .flags = 0,
236 },
237 {
238 .id = V4L2_CID_BLUE_BALANCE,
239 .type = V4L2_CTRL_TYPE_INTEGER,
240 .name = "blue balance",
241 .minimum = 0x00,
242 .maximum = 0xff,
243 .step = 0x01,
244 .default_value = 0x77,
245 .flags = 0,
246 },
247 {
248 .id = V4L2_CID_BRIGHTNESS,
249 .type = V4L2_CTRL_TYPE_INTEGER,
250 .name = "brightness",
251 .minimum = 0x00,
252 .maximum = 0xff,
253 .step = 0x01,
254 .default_value = 0xa0,
255 .flags = 0,
256 },
257 {
258 .id = V4L2_CID_DO_WHITE_BALANCE,
259 .type = V4L2_CTRL_TYPE_INTEGER,
260 .name = "white balance background: blue",
261 .minimum = 0x00,
262 .maximum = 0x3f,
263 .step = 0x01,
264 .default_value = 0x20,
265 .flags = 0,
266 },
267 {
268 .id = V4L2_CID_WHITENESS,
269 .type = V4L2_CTRL_TYPE_INTEGER,
270 .name = "white balance background: red",
271 .minimum = 0x00,
272 .maximum = 0x3f,
273 .step = 0x01,
274 .default_value = 0x20,
275 .flags = 0,
276 },
277 {
278 .id = V4L2_CID_AUTO_WHITE_BALANCE,
279 .type = V4L2_CTRL_TYPE_BOOLEAN,
280 .name = "auto white balance",
281 .minimum = 0x00,
282 .maximum = 0x01,
283 .step = 0x01,
284 .default_value = 0x01,
285 .flags = 0,
286 },
287 {
288 .id = V4L2_CID_AUTOGAIN,
289 .type = V4L2_CTRL_TYPE_INTEGER,
290 .name = "gain & exposure mode",
291 .minimum = 0x00,
292 .maximum = 0x03,
293 .step = 0x01,
294 .default_value = 0x00,
295 .flags = 0,
296 },
297 {
298 .id = V4L2_CID_VFLIP,
299 .type = V4L2_CTRL_TYPE_BOOLEAN,
300 .name = "vertical flip",
301 .minimum = 0x00,
302 .maximum = 0x01,
303 .step = 0x01,
304 .default_value = 0x01,
305 .flags = 0,
306 },
307 {
308 .id = V4L2_CID_BLACK_LEVEL,
309 .type = V4L2_CTRL_TYPE_INTEGER,
310 .name = "black pixel ratio",
311 .minimum = 0x01,
312 .maximum = 0x9a,
313 .step = 0x01,
314 .default_value = 0x8a,
315 .flags = 0,
316 },
317 {
318 .id = SN9C102_V4L2_CID_BRIGHT_LEVEL,
319 .type = V4L2_CTRL_TYPE_INTEGER,
320 .name = "bright pixel ratio",
321 .minimum = 0x01,
322 .maximum = 0x9a,
323 .step = 0x01,
324 .default_value = 0x10,
325 .flags = 0,
326 },
327 {
328 .id = SN9C102_V4L2_CID_BAND_FILTER,
329 .type = V4L2_CTRL_TYPE_BOOLEAN,
330 .name = "band filter",
331 .minimum = 0x00,
332 .maximum = 0x01,
333 .step = 0x01,
334 .default_value = 0x00,
335 .flags = 0,
336 },
337 {
338 .id = SN9C102_V4L2_CID_GAMMA,
339 .type = V4L2_CTRL_TYPE_BOOLEAN,
340 .name = "rgb gamma",
341 .minimum = 0x00,
342 .maximum = 0x01,
343 .step = 0x01,
344 .default_value = 0x00,
345 .flags = 0,
346 },
347 },
348 .set_ctrl = &ov7630_set_ctrl,
349 .cropcap = {
350 .bounds = {
351 .left = 0,
352 .top = 0,
353 .width = 640,
354 .height = 480,
355 },
356 .defrect = {
357 .left = 0,
358 .top = 0,
359 .width = 640,
360 .height = 480,
361 },
362 },
363 .set_crop = &ov7630_set_crop,
364 .pix_format = {
365 .width = 640,
366 .height = 480,
367 .pixelformat = V4L2_PIX_FMT_SBGGR8,
368 .priv = 8,
369 },
370 .set_pix_format = &ov7630_set_pix_format
371};
372
373
374int sn9c102_probe_ov7630(struct sn9c102_device* cam)
375{
376 const struct usb_device_id ov7630_id_table[] = {
377 { USB_DEVICE(0x0c45, 0x602c), },
378 { USB_DEVICE(0x0c45, 0x602d), },
379 { USB_DEVICE(0x0c45, 0x608f), },
380 { USB_DEVICE(0x0c45, 0x60b0), },
381 { }
382 };
383 int err = 0;
384
385 if (!sn9c102_match_id(cam, ov7630_id_table))
386 return -ENODEV;
387
388 err += sn9c102_write_reg(cam, 0x01, 0x01);
389 err += sn9c102_write_reg(cam, 0x00, 0x01);
390 err += sn9c102_write_reg(cam, 0x28, 0x17);
391 if (err)
392 return -EIO;
393
394 err += sn9c102_i2c_try_write(cam, &ov7630, 0x0b, 0);
395 if (err)
396 return -ENODEV;
397
398 sn9c102_attach_sensor(cam, &ov7630);
399
400 return 0;
401}
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