1/* Subdriver for the GL860 chip with the OV2640 sensor
2 * Author Olivier LORIN, from Malmostoso's logs
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18/* Sensor : OV2640 */
19
20#include "gl860.h"
21
22static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
23
24static u8 c61[] = {0x61}; /* expected */
25static u8 c51[] = {0x51}; /* expected */
26static u8 c50[] = {0x50}; /* expected */
27static u8 c28[] = {0x28}; /* expected */
28static u8 ca8[] = {0xa8}; /* expected */
29
30static u8 dat_post[] =
31	"\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
32
33static u8 dat_640[]  = "\xd0\x01\xd1\x08\xd2\xe0\xd3\x02\xd4\x10\xd5\x81";
34static u8 dat_800[]  = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
35static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
36static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
37
38static struct validx tbl_init_at_startup[] = {
39	{0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
40	{0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
41	{0x0050, 0x0000}, {0x0041, 0x0000}, {0x006a, 0x0007}, {0x0061, 0x0006},
42	{0x006a, 0x000d}, {0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1},
43	{0x0041, 0x00c2}, {0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058},
44	{0x0041, 0x0000}, {0x0061, 0x0000},
45};
46
47static struct validx tbl_common[] = {
48	{0x6000, 0x00ff}, {0x60ff, 0x002c}, {0x60df, 0x002e}, {0x6001, 0x00ff},
49	{0x6080, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
50	{0x6035, 0x003c}, {0x6000, 0x0011}, {0x6028, 0x0004}, {0x60e5, 0x0013},
51	{0x6088, 0x0014}, {0x600c, 0x002c}, {0x6078, 0x0033}, {0x60f7, 0x003b},
52	{0x6000, 0x003e}, {0x6011, 0x0043}, {0x6010, 0x0016}, {0x6082, 0x0039},
53	{0x6088, 0x0035}, {0x600a, 0x0022}, {0x6040, 0x0037}, {0x6000, 0x0023},
54	{0x60a0, 0x0034}, {0x601a, 0x0036}, {0x6002, 0x0006}, {0x60c0, 0x0007},
55	{0x60b7, 0x000d}, {0x6001, 0x000e}, {0x6000, 0x004c}, {0x6081, 0x004a},
56	{0x6099, 0x0021}, {0x6002, 0x0009}, {0x603e, 0x0024}, {0x6034, 0x0025},
57	{0x6081, 0x0026}, {0x6000, 0x0000}, {0x6000, 0x0045}, {0x6000, 0x0010},
58	{0x6000, 0x005c}, {0x6000, 0x0063}, {0x6000, 0x007c}, {0x6070, 0x0061},
59	{0x6080, 0x0062}, {0x6080, 0x0020}, {0x6030, 0x0028}, {0x6000, 0x006c},
60	{0x6000, 0x006e}, {0x6002, 0x0070}, {0x6094, 0x0071}, {0x60c1, 0x0073},
61	{0x6034, 0x003d}, {0x6057, 0x005a}, {0x60bb, 0x004f}, {0x609c, 0x0050},
62	{0x6080, 0x006d}, {0x6002, 0x0039}, {0x6033, 0x003a}, {0x60f1, 0x003b},
63	{0x6031, 0x003c}, {0x6000, 0x00ff}, {0x6014, 0x00e0}, {0x60ff, 0x0076},
64	{0x60a0, 0x0033}, {0x6020, 0x0042}, {0x6018, 0x0043}, {0x6000, 0x004c},
65	{0x60d0, 0x0087}, {0x600f, 0x0088}, {0x6003, 0x00d7}, {0x6010, 0x00d9},
66	{0x6005, 0x00da}, {0x6082, 0x00d3}, {0x60c0, 0x00f9}, {0x6006, 0x0044},
67	{0x6007, 0x00d1}, {0x6002, 0x00d2}, {0x6000, 0x00d2}, {0x6011, 0x00d8},
68	{0x6008, 0x00c8}, {0x6080, 0x00c9}, {0x6008, 0x007c}, {0x6020, 0x007d},
69	{0x6020, 0x007d}, {0x6000, 0x0090}, {0x600e, 0x0091}, {0x601a, 0x0091},
70	{0x6031, 0x0091}, {0x605a, 0x0091}, {0x6069, 0x0091}, {0x6075, 0x0091},
71	{0x607e, 0x0091}, {0x6088, 0x0091}, {0x608f, 0x0091}, {0x6096, 0x0091},
72	{0x60a3, 0x0091}, {0x60af, 0x0091}, {0x60c4, 0x0091}, {0x60d7, 0x0091},
73	{0x60e8, 0x0091}, {0x6020, 0x0091}, {0x6000, 0x0092}, {0x6006, 0x0093},
74	{0x60e3, 0x0093}, {0x6005, 0x0093}, {0x6005, 0x0093}, {0x6000, 0x0093},
75	{0x6004, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
76	{0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093}, {0x6000, 0x0093},
77	{0x6000, 0x0096}, {0x6008, 0x0097}, {0x6019, 0x0097}, {0x6002, 0x0097},
78	{0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097}, {0x6028, 0x0097},
79	{0x6026, 0x0097}, {0x6002, 0x0097}, {0x6098, 0x0097}, {0x6080, 0x0097},
80	{0x6000, 0x0097}, {0x6000, 0x0097}, {0x60ed, 0x00c3}, {0x609a, 0x00c4},
81	{0x6000, 0x00a4}, {0x6011, 0x00c5}, {0x6051, 0x00c6}, {0x6010, 0x00c7},
82	{0x6066, 0x00b6}, {0x60a5, 0x00b8}, {0x6064, 0x00b7}, {0x607c, 0x00b9},
83	{0x60af, 0x00b3}, {0x6097, 0x00b4}, {0x60ff, 0x00b5}, {0x60c5, 0x00b0},
84	{0x6094, 0x00b1}, {0x600f, 0x00b2}, {0x605c, 0x00c4}, {0x6000, 0x00a8},
85	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x601d, 0x0086}, {0x6000, 0x0050},
86	{0x6090, 0x0051}, {0x6018, 0x0052}, {0x6000, 0x0053}, {0x6000, 0x0054},
87	{0x6088, 0x0055}, {0x6000, 0x0057}, {0x6090, 0x005a}, {0x6018, 0x005b},
88	{0x6005, 0x005c}, {0x60ed, 0x00c3}, {0x6000, 0x007f}, {0x6005, 0x00da},
89	{0x601f, 0x00e5}, {0x6067, 0x00e1}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
90	{0x6000, 0x0005}, {0x6001, 0x00ff}, {0x6000, 0x0000}, {0x6000, 0x0045},
91	{0x6000, 0x0010},
92};
93
94static struct validx tbl_sensor_settings_common1[] = {
95	{0x0041, 0x0000}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
96	{0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1}, {0x0041, 0x00c2},
97	{0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058}, {0x0041, 0x0000},
98	{50, 0xffff},
99	{0x0061, 0x0000},
100	{0xffff, 0xffff},
101	{0x6000, 0x00ff}, {0x6000, 0x007c}, {0x6007, 0x007d},
102	{30, 0xffff},
103	{0x0040, 0x0000},
104};
105
106static struct validx tbl_sensor_settings_common2[] = {
107	{0x6001, 0x00ff}, {0x6038, 0x000c},
108	{10, 0xffff},
109	{0x6000, 0x0011},
110};
111
112static struct validx tbl_640[] = {
113	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
114	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
115	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
116	{0x6075, 0x0018}, {0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032},
117	{0x60bb, 0x004f}, {0x6057, 0x005a}, {0x609c, 0x0050}, {0x6080, 0x006d},
118	{0x6092, 0x0026}, {0x60ff, 0x0020}, {0x6000, 0x0027}, {0x6000, 0x00ff},
119	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c}, {0x603d, 0x0086},
120	{0x6089, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052}, {0x6000, 0x0053},
121	{0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057}, {0x60a0, 0x005a},
122	{0x6078, 0x005b}, {0x6000, 0x005c}, {0x6004, 0x00d3}, {0x6000, 0x00e0},
123	{0x60ff, 0x00dd}, {0x60a1, 0x005a},
124};
125
126static struct validx tbl_800[] = {
127	{0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0}, {0x6067, 0x00e1},
128	{0x6004, 0x00da}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
129	{0x6001, 0x00ff}, {0x6040, 0x0012}, {0x6000, 0x0011}, {0x6011, 0x0017},
130	{0x6043, 0x0018}, {0x6000, 0x0019}, {0x604b, 0x001a}, {0x6009, 0x0032},
131	{0x60ca, 0x004f}, {0x60a8, 0x0050}, {0x6000, 0x006d}, {0x6038, 0x003d},
132	{0x60c8, 0x0035}, {0x6000, 0x0022}, {0x6092, 0x0026}, {0x60ff, 0x0020},
133	{0x6000, 0x0027}, {0x6000, 0x00ff}, {0x6064, 0x00c0}, {0x604b, 0x00c1},
134	{0x6000, 0x008c}, {0x601d, 0x0086}, {0x6082, 0x00d3}, {0x6000, 0x00e0},
135	{0x60ff, 0x00dd}, {0x6020, 0x008c}, {0x6001, 0x00ff}, {0x6044, 0x0018},
136};
137
138static struct validx tbl_big1[] = {
139	{0x0002, 0x00c1}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
140	{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045},
141	{0x6000, 0x0010}, {0x6000, 0x0011}, {0x6011, 0x0017}, {0x6075, 0x0018},
142	{0x6001, 0x0019}, {0x6097, 0x001a}, {0x6036, 0x0032}, {0x60bb, 0x004f},
143	{0x609c, 0x0050}, {0x6057, 0x005a}, {0x6080, 0x006d}, {0x6043, 0x000f},
144	{0x608f, 0x0003}, {0x6005, 0x007c}, {0x6081, 0x0026}, {0x6000, 0x00ff},
145	{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c},
146};
147
148static struct validx tbl_big2[] = {
149	{0x603d, 0x0086}, {0x6000, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052},
150	{0x6000, 0x0053}, {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057},
151	{0x6040, 0x005a}, {0x60f0, 0x005b}, {0x6001, 0x005c}, {0x6082, 0x00d3},
152	{0x6000, 0x008e},
153};
154
155static struct validx tbl_big3[] = {
156	{0x6004, 0x00da}, {0x6000, 0x00e0}, {0x6067, 0x00e1}, {0x60ff, 0x00dd},
157	{0x6001, 0x00ff}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
158	{0x6001, 0x00ff}, {0x6000, 0x0011}, {0x6000, 0x00ff}, {0x6010, 0x00c7},
159	{0x6000, 0x0092}, {0x6006, 0x0093}, {0x60e3, 0x0093}, {0x6005, 0x0093},
160	{0x6005, 0x0093}, {0x60ed, 0x00c3}, {0x6000, 0x00a4}, {0x60d0, 0x0087},
161	{0x6003, 0x0096}, {0x600c, 0x0097}, {0x6024, 0x0097}, {0x6030, 0x0097},
162	{0x6028, 0x0097}, {0x6026, 0x0097}, {0x6002, 0x0097}, {0x6001, 0x00ff},
163	{0x6043, 0x000f}, {0x608f, 0x0003}, {0x6000, 0x002d}, {0x6000, 0x002e},
164	{0x600a, 0x0022}, {0x6002, 0x0070}, {0x6008, 0x0014}, {0x6048, 0x0014},
165	{0x6000, 0x00ff}, {0x6000, 0x00e0}, {0x60ff, 0x00dd},
166};
167
168static struct validx tbl_post_unset_alt[] = {
169	{0x006a, 0x000d}, {0x6001, 0x00ff}, {0x6081, 0x0026}, {0x6000, 0x0000},
170	{0x6000, 0x0045}, {0x6000, 0x0010}, {0x6068, 0x000d},
171	{50, 0xffff},
172	{0x0021, 0x0000},
173};
174
175static int  ov2640_init_at_startup(struct gspca_dev *gspca_dev);
176static int  ov2640_configure_alt(struct gspca_dev *gspca_dev);
177static int  ov2640_init_pre_alt(struct gspca_dev *gspca_dev);
178static int  ov2640_init_post_alt(struct gspca_dev *gspca_dev);
179static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev);
180static int  ov2640_camera_settings(struct gspca_dev *gspca_dev);
181/*==========================================================================*/
182
183void ov2640_init_settings(struct gspca_dev *gspca_dev)
184{
185	struct sd *sd = (struct sd *) gspca_dev;
186
187	sd->vcur.backlight  =  32;
188	sd->vcur.brightness =   0;
189	sd->vcur.sharpness  =   6;
190	sd->vcur.contrast   =   0;
191	sd->vcur.gamma      =  32;
192	sd->vcur.hue        =   0;
193	sd->vcur.saturation = 128;
194	sd->vcur.whitebal   =  64;
195	sd->vcur.mirror     =   0;
196	sd->vcur.flip       =   0;
197
198	sd->vmax.backlight  =  64;
199	sd->vmax.brightness = 255;
200	sd->vmax.sharpness  =  31;
201	sd->vmax.contrast   = 255;
202	sd->vmax.gamma      =  64;
203	sd->vmax.hue        = 254 + 2;
204	sd->vmax.saturation = 255;
205	sd->vmax.whitebal   = 128;
206	sd->vmax.mirror     = 1;
207	sd->vmax.flip       = 1;
208	sd->vmax.AC50Hz     = 0;
209
210	sd->dev_camera_settings = ov2640_camera_settings;
211	sd->dev_init_at_startup = ov2640_init_at_startup;
212	sd->dev_configure_alt   = ov2640_configure_alt;
213	sd->dev_init_pre_alt    = ov2640_init_pre_alt;
214	sd->dev_post_unset_alt  = ov2640_post_unset_alt;
215}
216
217/*==========================================================================*/
218
219static void common(struct gspca_dev *gspca_dev)
220{
221	fetch_validx(gspca_dev, tbl_common, ARRAY_SIZE(tbl_common));
222}
223
224static int ov2640_init_at_startup(struct gspca_dev *gspca_dev)
225{
226	fetch_validx(gspca_dev, tbl_init_at_startup,
227			ARRAY_SIZE(tbl_init_at_startup));
228
229	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_init1);
230
231	common(gspca_dev);
232
233	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, c61);
234
235	ctrl_out(gspca_dev, 0x40, 1, 0x00ef, 0x0006, 0, NULL);
236
237	ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c51);
238
239	ctrl_out(gspca_dev, 0x40, 1, 0x0051, 0x0000, 0, NULL);
240/*	ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000, 0, NULL); */
241
242	return 0;
243}
244
245static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
246{
247	struct sd *sd = (struct sd *) gspca_dev;
248
249	sd->mirrorMask = 0;
250
251	sd->vold.backlight  = -1;
252	sd->vold.brightness = -1;
253	sd->vold.sharpness  = -1;
254	sd->vold.contrast   = -1;
255	sd->vold.saturation = -1;
256	sd->vold.gamma    = -1;
257	sd->vold.hue      = -1;
258	sd->vold.whitebal = -1;
259	sd->vold.mirror = -1;
260	sd->vold.flip   = -1;
261
262	ov2640_init_post_alt(gspca_dev);
263
264	return 0;
265}
266
267static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
268{
269	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
270	s32 n; /* reserved for FETCH functions */
271
272	ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
273
274	n = fetch_validx(gspca_dev, tbl_sensor_settings_common1,
275			ARRAY_SIZE(tbl_sensor_settings_common1));
276	ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_post);
277	common(gspca_dev);
278	keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common1,
279				ARRAY_SIZE(tbl_sensor_settings_common1), n);
280
281	switch (reso) {
282	case IMAGE_640:
283		n = fetch_validx(gspca_dev, tbl_640, ARRAY_SIZE(tbl_640));
284		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_640);
285		break;
286
287	case IMAGE_800:
288		n = fetch_validx(gspca_dev, tbl_800, ARRAY_SIZE(tbl_800));
289		ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_800);
290		break;
291
292	case IMAGE_1600:
293	case IMAGE_1280:
294		n = fetch_validx(gspca_dev, tbl_big1, ARRAY_SIZE(tbl_big1));
295
296		if (reso == IMAGE_1280) {
297			n = fetch_validx(gspca_dev, tbl_big2,
298					ARRAY_SIZE(tbl_big2));
299		} else {
300			ctrl_out(gspca_dev, 0x40, 1, 0x601d, 0x0086, 0, NULL);
301			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00d7, 0, NULL);
302			ctrl_out(gspca_dev, 0x40, 1, 0x6082, 0x00d3, 0, NULL);
303		}
304
305		n = fetch_validx(gspca_dev, tbl_big3, ARRAY_SIZE(tbl_big3));
306
307		if (reso == IMAGE_1280) {
308			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
309			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
310					12, dat_1280);
311		} else {
312			ctrl_out(gspca_dev, 0x40, 1, 0x6020, 0x008c, 0, NULL);
313			ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
314			ctrl_out(gspca_dev, 0x40, 1, 0x6076, 0x0018, 0, NULL);
315			ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200,
316					12, dat_1600);
317		}
318		break;
319	}
320
321	n = fetch_validx(gspca_dev, tbl_sensor_settings_common2,
322			ARRAY_SIZE(tbl_sensor_settings_common2));
323
324	ov2640_camera_settings(gspca_dev);
325
326	return 0;
327}
328
329static int ov2640_configure_alt(struct gspca_dev *gspca_dev)
330{
331	s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
332
333	switch (reso) {
334	case IMAGE_640:
335		gspca_dev->alt = 3 + 1;
336		break;
337
338	case IMAGE_800:
339	case IMAGE_1280:
340	case IMAGE_1600:
341		gspca_dev->alt = 1 + 1;
342		break;
343	}
344	return 0;
345}
346
347static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
348{
349	struct sd *sd = (struct sd *) gspca_dev;
350
351	s32 backlight = sd->vcur.backlight;
352	s32 bright = sd->vcur.brightness;
353	s32 sharp  = sd->vcur.sharpness;
354	s32 gam    = sd->vcur.gamma;
355	s32 cntr   = sd->vcur.contrast;
356	s32 sat    = sd->vcur.saturation;
357	s32 hue    = sd->vcur.hue;
358	s32 wbal   = sd->vcur.whitebal;
359	s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) == 0);
360	s32 flip   = (((sd->vcur.flip   > 0) ^ sd->mirrorMask) == 0);
361
362	if (backlight != sd->vold.backlight) {
363		/* No sd->vold.backlight=backlight; (to be done again later) */
364		if (backlight < 0 || backlight > sd->vmax.backlight)
365			backlight = 0;
366
367		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
368				0, NULL);
369		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
370				0, NULL);
371		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
372				0, NULL);
373	}
374
375	if (bright != sd->vold.brightness) {
376		sd->vold.brightness = bright;
377		if (bright < 0 || bright > sd->vmax.brightness)
378			bright = 0;
379
380		ctrl_out(gspca_dev, 0x40, 1, 0x6000         , 0x00ff, 0, NULL);
381		ctrl_out(gspca_dev, 0x40, 1, 0x6009         , 0x007c, 0, NULL);
382		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + bright, 0x007d, 0, NULL);
383	}
384
385	if (wbal != sd->vold.whitebal) {
386		sd->vold.whitebal = wbal;
387		if (wbal < 0 || wbal > sd->vmax.whitebal)
388			wbal = 0;
389
390		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
391		ctrl_out(gspca_dev, 0x40, 1, 0x6003       , 0x007c, 0, NULL);
392		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + wbal, 0x007d, 0, NULL);
393	}
394
395	if (cntr != sd->vold.contrast) {
396		sd->vold.contrast = cntr;
397		if (cntr < 0 || cntr > sd->vmax.contrast)
398			cntr = 0;
399
400		ctrl_out(gspca_dev, 0x40, 1, 0x6000       , 0x00ff, 0, NULL);
401		ctrl_out(gspca_dev, 0x40, 1, 0x6007       , 0x007c, 0, NULL);
402		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + cntr, 0x007d, 0, NULL);
403	}
404
405	if (sat != sd->vold.saturation) {
406		sd->vold.saturation = sat;
407		if (sat < 0 || sat > sd->vmax.saturation)
408			sat = 0;
409
410		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
411		ctrl_out(gspca_dev, 0x40, 1, 0x6001      , 0x007c, 0, NULL);
412		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + sat, 0x007d, 0, NULL);
413	}
414
415	if (sharp != sd->vold.sharpness) {
416		sd->vold.sharpness = sharp;
417		if (sharp < 0 || sharp > sd->vmax.sharpness)
418			sharp = 0;
419
420		ctrl_out(gspca_dev, 0x40, 1, 0x6000        , 0x00ff, 0, NULL);
421		ctrl_out(gspca_dev, 0x40, 1, 0x6001        , 0x0092, 0, NULL);
422		ctrl_out(gspca_dev, 0x40, 1, 0x60c0 + sharp, 0x0093, 0, NULL);
423	}
424
425	if (hue != sd->vold.hue) {
426		sd->vold.hue = hue;
427		if (hue < 0 || hue > sd->vmax.hue)
428			hue = 0;
429
430		ctrl_out(gspca_dev, 0x40, 1, 0x6000     , 0x00ff, 0, NULL);
431		ctrl_out(gspca_dev, 0x40, 1, 0x6002     , 0x007c, 0, NULL);
432		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + hue * (hue < 255), 0x007d,
433				0, NULL);
434		if (hue >= 255)
435			sd->swapRB = 1;
436		else
437			sd->swapRB = 0;
438	}
439
440	if (gam != sd->vold.gamma) {
441		sd->vold.gamma = gam;
442		if (gam < 0 || gam > sd->vmax.gamma)
443			gam = 0;
444
445		ctrl_out(gspca_dev, 0x40, 1, 0x6000      , 0x00ff, 0, NULL);
446		ctrl_out(gspca_dev, 0x40, 1, 0x6008      , 0x007c, 0, NULL);
447		ctrl_out(gspca_dev, 0x40, 1, 0x6000 + gam, 0x007d, 0, NULL);
448	}
449
450	if (mirror != sd->vold.mirror || flip != sd->vold.flip) {
451		sd->vold.mirror = mirror;
452		sd->vold.flip   = flip;
453
454		mirror = 0x80 * mirror;
455		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
456		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
457		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28);
458		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + mirror, 0x0004, 0, NULL);
459
460		flip = 0x50 * flip + mirror;
461		ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
462		ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL);
463		ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8);
464		ctrl_out(gspca_dev, 0x40, 1, 0x6028 + flip, 0x0004, 0, NULL);
465
466		ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
467	}
468
469	if (backlight != sd->vold.backlight) {
470		sd->vold.backlight = backlight;
471
472		ctrl_out(gspca_dev, 0x40, 1, 0x6001                 , 0x00ff,
473				0, NULL);
474		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight     , 0x0024,
475				0, NULL);
476		ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025,
477				0, NULL);
478	}
479
480	return 0;
481}
482
483static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev)
484{
485	ctrl_out(gspca_dev, 0x40, 5, 0x0000, 0x0000, 0, NULL);
486	msleep(20);
487	fetch_validx(gspca_dev, tbl_post_unset_alt,
488			ARRAY_SIZE(tbl_post_unset_alt));
489}
490