Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvar...
[linux-2.6-block.git] / drivers / media / video / gspca / gl860 / gl860-ov2640.c
1 /* @file gl860-ov2640.c
2  * @author Olivier LORIN, from Malmostoso's logs
3  * @date 2009-08-27
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  */
18
19 /* Sensor : OV2640 */
20
21 #include "gl860.h"
22
23 static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
24 static u8 dat_init2[] = {0x61}; /* expected */
25 static u8 dat_init3[] = {0x51}; /* expected */
26
27 static u8 dat_post[] =
28         "\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
29
30 static u8 dat_640[]  = "\xd0\x01\xd1\x08\xd2\xe0\xd3\x02\xd4\x10\xd5\x81";
31 static u8 dat_800[]  = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
32 static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
33 static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
34
35 static u8 c50[] = {0x50}; /* expected */
36 static u8 c28[] = {0x28}; /* expected */
37 static u8 ca8[] = {0xa8}; /* expected */
38
39 static struct validx tbl_init_at_startup[] = {
40         {0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
41         {0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
42         {0x0050, 0x0000}, {0x0041, 0x0000}, {0x006a, 0x0007}, {0x0061, 0x0006},
43         {0x006a, 0x000d}, {0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1},
44         {0x0041, 0x00c2}, {0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058},
45         {0x0041, 0x0000}, {0x0061, 0x0000},
46 };
47
48 static struct validx tbl_common[] = {
49         {0x6000, 0x00ff}, {0x60ff, 0x002c}, {0x60df, 0x002e}, {0x6001, 0x00ff},
50         {0x6080, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
51         {0x6035, 0x003c}, {0x6000, 0x0011}, {0x6028, 0x0004}, {0x60e5, 0x0013},
52         {0x6088, 0x0014}, {0x600c, 0x002c}, {0x6078, 0x0033}, {0x60f7, 0x003b},
53         {0x6000, 0x003e}, {0x6011, 0x0043}, {0x6010, 0x0016}, {0x6082, 0x0039},
54         {0x6088, 0x0035}, {0x600a, 0x0022}, {0x6040, 0x0037}, {0x6000, 0x0023},
55         {0x60a0, 0x0034}, {0x601a, 0x0036}, {0x6002, 0x0006}, {0x60c0, 0x0007},
56         {0x60b7, 0x000d}, {0x6001, 0x000e}, {0x6000, 0x004c}, {0x6081, 0x004a},
57         {0x6099, 0x0021}, {0x6002, 0x0009}, {0x603e, 0x0024}, {0x6034, 0x0025},
58         {0x6081, 0x0026}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
59         {0x6000, 0x005c}, {0x6000, 0x0063}, {0x6000, 0x007c}, {0x6070, 0x0061},
60         {0x6080, 0x0062}, {0x6080, 0x0020}, {0x6030, 0x0028}, {0x6000, 0x006c},
61         {0x6000, 0x006e}, {0x6002, 0x0070}, {0x6094, 0x0071}, {0x60c1, 0x0073},
62         {0x6034, 0x003d}, {0x6057, 0x005a}, {0x60bb, 0x004f}, {0x609c, 0x0050},
63         {0x6080, 0x006d}, {0x6002, 0x0039}, {0x6033, 0x003a}, {0x60f1, 0x003b},
64         {0x6031, 0x003c}, {0x6000, 0x00ff}, {0x6014, 0x00e0}, {0x60ff, 0x0076},
65         {0x60a0, 0x0033}, {0x6020, 0x0042}, {0x6018, 0x0043}, {0x6000, 0x004c},
66         {0x60d0, 0x0087}, {0x600f, 0x0088}, {0x6003, 0x00d7}, {0x6010, 0x00d9},
67         {0x6005, 0x00da}, {0x6082, 0x00d3}, {0x60c0, 0x00f9}, {0x6006, 0x0044},
68         {0x6007, 0x00d1}, {0x6002, 0x00d2}, {0x6000, 0x00d2}, {0x6011, 0x00d8},
69         {0x6008, 0x00c8}, {0x6080, 0x00c9}, {0x6008, 0x007c}, {0x6020, 0x007d},
70         {0x6020, 0x007d}, {0x6000, 0x0090}, {0x600e, 0x0091}, {0x601a, 0x0091},
71         {0x6031, 0x0091}, {0x605a, 0x0091}, {0x6069, 0x0091}, {0x6075, 0x0091},
72         {0x607e, 0x0091}, {0x6088, 0x0091}, {0x608f, 0x0091}, {0x6096, 0x0091},
73         {0x60a3, 0x0091}, {0x60af, 0x0091}, {0x60c4, 0x0091}, {0x60d7, 0x0091},
74         {0x60e8, 0x0091}, {0x6020, 0x0091}, {0x6000, 0x0092}, {0x6006, 0x0093},
75         {0x60e3, 0x0093}, {0x6005, 0x0093}, {0x6005, 0x0093}, {0x6000, 0x0093},
76         {0x6004, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
77         {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
78         {0x6000, 0x0096}, {0x6008, 0x0097}, {0x6019, 0x0097}, {0x6002, 0x0097},
79         {0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097}, {0x6028, 0x0097},
80         {0x6026, 0x0097}, {0x6002, 0x0097}, {0x6098, 0x0097}, {0x6080, 0x0097},
81         {0x6000, 0x0097}, {0x6000, 0x0097}, {0x60ed, 0x00c3}, {0x609a, 0x00c4},
82         {0x6000, 0x00a4}, {0x6011, 0x00c5}, {0x6051, 0x00c6}, {0x6010, 0x00c7},
83         {0x6066, 0x00b6}, {0x60a5, 0x00b8}, {0x6064, 0x00b7}, {0x607c, 0x00b9},
84         {0x60af, 0x00b3}, {0x6097, 0x00b4}, {0x60ff, 0x00b5}, {0x60c5, 0x00b0},
85         {0x6094, 0x00b1}, {0x600f, 0x00b2}, {0x605c, 0x00c4}, {0x6000, 0x00a8},
86         {0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x601d, 0x0086}, {0x6000, 0x0050},
87         {0x6090, 0x0051}, {0x6018, 0x0052}, {0x6000, 0x0053}, {0x6000, 0x0054},
88         {0x6088, 0x0055}, {0x6000, 0x0057}, {0x6090, 0x005a}, {0x6018, 0x005b},
89         {0x6005, 0x005c}, {0x60ed, 0x00c3}, {0x6000, 0x007f}, {0x6005, 0x00da},
90         {0x601f, 0x00e5}, {0x6067, 0x00e1}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
91         {0x6000, 0x0005}, {0x6001, 0x00ff}, {0x6000, 0x0000}, {0x6000, 0x0045},
92         {0x6000, 0x0010},
93 };
94
95 static struct validx tbl_sensor_settings_common_a[] = {
96         {0x0041, 0x0000}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
97         {0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1}, {0x0041, 0x00c2},
98         {0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058}, {0x0041, 0x0000},
99         {50, 0xffff},
100         {0x0061, 0x0000},
101         {0xffff, 0xffff},
102         {0x6000, 0x00ff}, {0x6000, 0x007c}, {0x6007, 0x007d},
103         {30, 0xffff},
104         {0x0040, 0x0000},
105 };
106
107 static struct validx tbl_sensor_settings_common_b[] = {
108         {0x6001, 0x00ff}, {0x6038, 0x000c},
109         {10, 0xffff},
110         {0x6000, 0x0011},
111         /* backlight=31/64 */
112         {0x6001, 0x00ff}, {0x603e, 0x0024}, {0x6034, 0x0025},
113         /* bright=0/256 */
114         {0x6000, 0x00ff}, {0x6009, 0x007c}, {0x6000, 0x007d},
115         /* wbal=64/128 */
116         {0x6000, 0x00ff}, {0x6003, 0x007c}, {0x6040, 0x007d},
117         /* cntr=0/256 */
118         {0x6000, 0x00ff}, {0x6007, 0x007c}, {0x6000, 0x007d},
119         /* sat=128/256 */
120         {0x6000, 0x00ff}, {0x6001, 0x007c}, {0x6080, 0x007d},
121         /* sharpness=0/32 */
122         {0x6000, 0x00ff}, {0x6001, 0x0092}, {0x60c0, 0x0093},
123         /* hue=0/256 */
124         {0x6000, 0x00ff}, {0x6002, 0x007c}, {0x6000, 0x007d},
125         /* gam=32/64 */
126         {0x6000, 0x00ff}, {0x6008, 0x007c}, {0x6020, 0x007d},
127         /* image right up */
128         {0xffff, 0xffff},
129         {15, 0xffff},
130         {0x6001, 0x00ff}, {0x6000, 0x8004},
131         {0xffff, 0xffff},
132         {0x60a8, 0x0004},
133         {15, 0xffff},
134         {0x6001, 0x00ff}, {0x6000, 0x8004},
135         {0xffff, 0xffff},
136         {0x60f8, 0x0004},
137         /* image right up */
138         {0xffff, 0xffff},
139         /* backlight=31/64 */
140         {0x6001, 0x00ff}, {0x603e, 0x0024}, {0x6034, 0x0025},
141 };
142
143 static struct validx tbl_640[] = {
144         {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
145         {0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
146         {0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
147         {0x6075, 0x0018}, {0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032},
148         {0x60bb, 0x004f}, {0x6057, 0x005a}, {0x609c, 0x0050}, {0x6080, 0x006d},
149         {0x6092, 0x0026}, {0x60ff, 0x0020}, {0x6000, 0x0027}, {0x6000, 0x00ff},
150         {0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c}, {0x603d, 0x0086},
151         {0x6089, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052}, {0x6000, 0x0053},
152         {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057}, {0x60a0, 0x005a},
153         {0x6078, 0x005b}, {0x6000, 0x005c}, {0x6004, 0x00d3}, {0x6000, 0x00e0},
154         {0x60ff, 0x00dd}, {0x60a1, 0x005a},
155 };
156
157 static struct validx tbl_800[] = {
158         {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
159         {0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
160         {0x6001, 0x00ff}, {0x6040, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
161         {0x6043, 0x0018}, {0x6000, 0x0019}, {0x604b, 0x001a}, {0x6009, 0x0032},
162         {0x60ca, 0x004f}, {0x60a8, 0x0050}, {0x6000, 0x006d}, {0x6038, 0x003d},
163         {0x60c8, 0x0035}, {0x6000, 0x0022}, {0x6092, 0x0026}, {0x60ff, 0x0020},
164         {0x6000, 0x0027}, {0x6000, 0x00ff}, {0x6064, 0x00c0}, {0x604b, 0x00c1},
165         {0x6000, 0x008c}, {0x601d, 0x0086}, {0x6082, 0x00d3}, {0x6000, 0x00e0},
166         {0x60ff, 0x00dd}, {0x6020, 0x008c}, {0x6001, 0x00ff}, {0x6044, 0x0018},
167 };
168
169 static struct validx tbl_big_a[] = {
170         {0x0002, 0x00c1}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
171         {0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045},
172         {0x6000, 0x0010}, {0x6000, 0x0011}, {0x6011, 0x0017}, {0x6075, 0x0018},
173         {0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032}, {0x60bb, 0x004f},
174         {0x609c, 0x0050}, {0x6057, 0x005a}, {0x6080, 0x006d}, {0x6043, 0x000f},
175         {0x608f, 0x0003}, {0x6005, 0x007c}, {0x6081, 0x0026}, {0x6000, 0x00ff},
176         {0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c},
177 };
178
179 static struct validx tbl_big_b[] = {
180         {0x603d, 0x0086}, {0x6000, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052},
181         {0x6000, 0x0053}, {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057},
182         {0x6040, 0x005a}, {0x60f0, 0x005b}, {0x6001, 0x005c}, {0x6082, 0x00d3},
183         {0x6000, 0x008e},
184 };
185
186 static struct validx tbl_big_c[] = {
187         {0x6004, 0x00da}, {0x6000, 0x00e0}, {0x6067, 0x00e1}, {0x60ff, 0x00dd},
188         {0x6001, 0x00ff}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
189         {0x6001, 0x00ff}, {0x6000, 0x0011}, {0x6000, 0x00ff}, {0x6010, 0x00c7},
190         {0x6000, 0x0092}, {0x6006, 0x0093}, {0x60e3, 0x0093}, {0x6005, 0x0093},
191         {0x6005, 0x0093}, {0x60ed, 0x00c3}, {0x6000, 0x00a4}, {0x60d0, 0x0087},
192         {0x6003, 0x0096}, {0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097},
193         {0x6028, 0x0097}, {0x6026, 0x0097}, {0x6002, 0x0097}, {0x6001, 0x00ff},
194         {0x6043, 0x000f}, {0x608f, 0x0003}, {0x6000, 0x002d}, {0x6000, 0x002e},
195         {0x600a, 0x0022}, {0x6002, 0x0070}, {0x6008, 0x0014}, {0x6048, 0x0014},
196         {0x6000, 0x00ff}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
197 };
198
199 static struct validx tbl_post_unset_alt[] = {
200         {0x006a, 0x000d}, {0x6001, 0x00ff}, {0x6081, 0x0026}, {0x6000, 0x0000},
201         {0x6000, 0x0045}, {0x6000, 0x0010}, {0x6068, 0x000d},
202         {50, 0xffff},
203         {0x0021, 0x0000},
204 };
205
206 static int  ov2640_init_at_startup(struct gspca_dev *gspca_dev);
207 static int  ov2640_configure_alt(struct gspca_dev *gspca_dev);
208 static int  ov2640_init_pre_alt(struct gspca_dev *gspca_dev);
209 static int  ov2640_init_post_alt(struct gspca_dev *gspca_dev);
210 static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev);
211 static int  ov2640_camera_settings(struct gspca_dev *gspca_dev);
212 /*==========================================================================*/
213
214 void ov2640_init_settings(struct gspca_dev *gspca_dev)
215 {
216         struct sd *sd = (struct sd *) gspca_dev;
217
218         sd->vcur.backlight  =  32;
219         sd->vcur.brightness =   0;
220         sd->vcur.sharpness  =   6;
221         sd->vcur.contrast   =   0;
222         sd->vcur.gamma      =  32;
223         sd->vcur.hue        =   0;
224         sd->vcur.saturation = 128;
225         sd->vcur.whitebal   =  64;
226
227         sd->vmax.backlight  =  64;
228         sd->vmax.brightness = 255;
229         sd->vmax.sharpness  =  31;
230         sd->vmax.contrast   = 255;
231         sd->vmax.gamma      =  64;
232         sd->vmax.hue        = 255 + 1;
233         sd->vmax.saturation = 255;
234         sd->vmax.whitebal   = 128;
235         sd->vmax.mirror     = 0;
236         sd->vmax.flip       = 0;
237         sd->vmax.AC50Hz     = 0;
238
239         sd->dev_camera_settings = ov2640_camera_settings;
240         sd->dev_init_at_startup = ov2640_init_at_startup;
241         sd->dev_configure_alt   = ov2640_configure_alt;
242         sd->dev_init_pre_alt    = ov2640_init_pre_alt;
243         sd->dev_post_unset_alt  = ov2640_post_unset_alt;
244 }
245
246 /*==========================================================================*/
247
248 static void common(struct gspca_dev *gspca_dev)
249 {
250         fetch_validx(gspca_dev, tbl_common, ARRAY_SIZE(tbl_common));
251 }
252
253 static int ov2640_init_at_startup(struct gspca_dev *gspca_dev)
254 {
255         fetch_validx(gspca_dev, tbl_init_at_startup,
256                         ARRAY_SIZE(tbl_init_at_startup));
257
258         ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_init1);
259
260         common(gspca_dev);
261
262         ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, dat_init2);
263
264         ctrl_out(gspca_dev, 0x40, 1, 0x00ef, 0x0006, 0, NULL);
265
266         ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, dat_init3);
267
268         ctrl_out(gspca_dev, 0x40, 1, 0x0051, 0x0000, 0, NULL);
269 /*      ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000, 0, NULL); */
270
271         return 0;
272 }
273
274 static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
275 {
276         struct sd *sd = (struct sd *) gspca_dev;
277
278         sd->vold.backlight  = -1;
279         sd->vold.brightness = -1;
280         sd->vold.sharpness  = -1;
281         sd->vold.contrast   = -1;
282         sd->vold.saturation = -1;
283         sd->vold.gamma    = -1;
284         sd->vold.hue      = -1;
285         sd->vold.whitebal = -1;
286
287         ov2640_init_post_alt(gspca_dev);
288
289         return 0;
290 }
291
292 static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
293 {
294         s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
295         s32 n; /* reserved for FETCH macros */
296
297         ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
298
299         n = fetch_validx(gspca_dev, tbl_sensor_settings_common_a,
300                         ARRAY_SIZE(tbl_sensor_settings_common_a));
301         ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_post);
302         common(gspca_dev);
303         keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_a,
304                                 ARRAY_SIZE(tbl_sensor_settings_common_a), n);
305
306         switch (reso) {
307         case IMAGE_640:
308                 n = fetch_validx(gspca_dev, tbl_640, ARRAY_SIZE(tbl_640));
309                 ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_640);
310                 break;
311
312         case IMAGE_800:
313                 n = fetch_validx(gspca_dev, tbl_800, ARRAY_SIZE(tbl_800));
314                 ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_800);
315                 break;
316
317         case IMAGE_1600:
318         case IMAGE_1280:
319                 n = fetch_validx(gspca_dev, tbl_big_a, ARRAY_SIZE(tbl_big_a));
320
321                 if (reso == IMAGE_1280) {
322                         n = fetch_validx(gspca_dev, tbl_big_b,
323                                         ARRAY_SIZE(tbl_big_b));
324                 } else {
325                         ctrl_out(gspca_dev, 0x40, 1, 0x601d, 0x0086, 0, NULL);
326                         ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00d7, 0, NULL);
327                         ctrl_out(gspca_dev, 0x40, 1, 0x6082, 0x00d3, 0, NULL);
328                 }
329
330                 n = fetch_validx(gspca_dev, tbl_big_c, ARRAY_SIZE(tbl_big_c));
331
332                 if (reso == IMAGE_1280) {
333                         ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
334                         ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
335                                         12, dat_1280);
336                 } else {
337                         ctrl_out(gspca_dev, 0x40, 1, 0x6020, 0x008c, 0, NULL);
338                         ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
339                         ctrl_out(gspca_dev, 0x40, 1, 0x6076, 0x0018, 0, NULL);
340                         ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
341                                         12, dat_1600);
342                 }
343                 break;
344         }
345
346         n = fetch_validx(gspca_dev, tbl_sensor_settings_common_b,
347                         ARRAY_SIZE(tbl_sensor_settings_common_b));
348         ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
349         keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
350                                 ARRAY_SIZE(tbl_sensor_settings_common_b), n);
351         ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28);
352         keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
353                                 ARRAY_SIZE(tbl_sensor_settings_common_b), n);
354         ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8);
355         keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
356                                 ARRAY_SIZE(tbl_sensor_settings_common_b), n);
357         ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
358         keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
359                                 ARRAY_SIZE(tbl_sensor_settings_common_b), n);
360
361         ov2640_camera_settings(gspca_dev);
362
363         return 0;
364 }
365
366 static int ov2640_configure_alt(struct gspca_dev *gspca_dev)
367 {
368         s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
369
370         switch (reso) {
371         case IMAGE_640:
372                 gspca_dev->alt = 3 + 1;
373                 break;
374
375         case IMAGE_800:
376         case IMAGE_1280:
377         case IMAGE_1600:
378                 gspca_dev->alt = 1 + 1;
379                 break;
380         }
381         return 0;
382 }
383
384 static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
385 {
386         struct sd *sd = (struct sd *) gspca_dev;
387
388         s32 backlight = sd->vcur.backlight;
389         s32 bright = sd->vcur.brightness;
390         s32 sharp  = sd->vcur.sharpness;
391         s32 gam    = sd->vcur.gamma;
392         s32 cntr   = sd->vcur.contrast;
393         s32 sat    = sd->vcur.saturation;
394         s32 hue    = sd->vcur.hue;
395         s32 wbal   = sd->vcur.whitebal;
396
397         if (backlight != sd->vold.backlight) {
398                 if (backlight < 0 || backlight > sd->vmax.backlight)
399                         backlight = 0;
400
401                 ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
402                                 0, NULL);
403                 ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight     , 0x0024,
404                                 0, NULL);
405                 ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight - 10, 0x0025,
406                                 0, NULL);
407                 /* No sd->vold.backlight=backlight; (to be done again later) */
408         }
409
410         if (bright != sd->vold.brightness) {
411                 sd->vold.brightness = bright;
412                 if (bright < 0 || bright > sd->vmax.brightness)
413                         bright = 0;
414
415                 ctrl_out(gspca_dev, 0x40, 1, 0x6000         , 0x00ff, 0, NULL);
416                 ctrl_out(gspca_dev, 0x40, 1, 0x6009         , 0x007c, 0, NULL);
417                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + bright, 0x007d, 0, NULL);
418         }
419
420         if (wbal != sd->vold.whitebal) {
421                 sd->vold.whitebal = wbal;
422                 if (wbal < 0 || wbal > sd->vmax.whitebal)
423                         wbal = 0;
424
425                 ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
426                 ctrl_out(gspca_dev, 0x40, 1, 0x6003       , 0x007c, 0, NULL);
427                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + wbal, 0x007d, 0, NULL);
428         }
429
430         if (cntr != sd->vold.contrast) {
431                 sd->vold.contrast = cntr;
432                 if (cntr < 0 || cntr > sd->vmax.contrast)
433                         cntr = 0;
434
435                 ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
436                 ctrl_out(gspca_dev, 0x40, 1, 0x6007       , 0x007c, 0, NULL);
437                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + cntr, 0x007d, 0, NULL);
438         }
439
440         if (sat != sd->vold.saturation) {
441                 sd->vold.saturation = sat;
442                 if (sat < 0 || sat > sd->vmax.saturation)
443                         sat = 0;
444
445                 ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
446                 ctrl_out(gspca_dev, 0x40, 1, 0x6001      , 0x007c, 0, NULL);
447                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + sat, 0x007d, 0, NULL);
448         }
449
450         if (sharp != sd->vold.sharpness) {
451                 sd->vold.sharpness = sharp;
452                 if (sharp < 0 || sharp > sd->vmax.sharpness)
453                         sharp = 0;
454
455                 ctrl_out(gspca_dev, 0x40, 1, 0x6000        , 0x00ff, 0, NULL);
456                 ctrl_out(gspca_dev, 0x40, 1, 0x6001        , 0x0092, 0, NULL);
457                 ctrl_out(gspca_dev, 0x40, 1, 0x60c0 + sharp, 0x0093, 0, NULL);
458         }
459
460         if (hue != sd->vold.hue) {
461                 sd->vold.hue = hue;
462                 if (hue < 0 || hue > sd->vmax.hue)
463                         hue = 0;
464
465                 ctrl_out(gspca_dev, 0x40, 1, 0x6000     , 0x00ff, 0, NULL);
466                 ctrl_out(gspca_dev, 0x40, 1, 0x6002     , 0x007c, 0, NULL);
467                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + hue * (hue < 255), 0x007d,
468                                 0, NULL);
469                 if (hue >= sd->vmax.hue)
470                         sd->swapRB = 1;
471                 else
472                         sd->swapRB = 0;
473         }
474
475         if (gam != sd->vold.gamma) {
476                 sd->vold.gamma = gam;
477                 if (gam < 0 || gam > sd->vmax.gamma)
478                         gam = 0;
479
480                 ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
481                 ctrl_out(gspca_dev, 0x40, 1, 0x6008      , 0x007c, 0, NULL);
482                 ctrl_out(gspca_dev, 0x40, 1, 0x6000 + gam, 0x007d, 0, NULL);
483         }
484
485         if (backlight != sd->vold.backlight) {
486                 sd->vold.backlight = backlight;
487
488                 ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
489                                 0, NULL);
490                 ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight     , 0x0024,
491                                 0, NULL);
492                 ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight - 10, 0x0025,
493                                 0, NULL);
494         }
495
496         return 0;
497 }
498
499 static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev)
500 {
501         ctrl_out(gspca_dev, 0x40, 5, 0x0000, 0x0000, 0, NULL);
502         msleep(20);
503         fetch_validx(gspca_dev, tbl_post_unset_alt,
504                         ARRAY_SIZE(tbl_post_unset_alt));
505 }