drivers/media/usb/gspca/gl860/gl860-ov2640.c

   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
  22 static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
  23
  24 static u8 c61[] = {0x61}; /* expected */
  25 static u8 c51[] = {0x51}; /* expected */
  26 static u8 c50[] = {0x50}; /* expected */
  27 static u8 c28[] = {0x28}; /* expected */
  28 static u8 ca8[] = {0xa8}; /* expected */
  29
  30 static u8 dat_post[] =
  31         "\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
  32
  33 static u8 dat_640[]  = "\xd0\x01\xd1\x08\xd2\xe0\xd3\x02\xd4\x10\xd5\x81";
  34 static u8 dat_800[]  = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
  35 static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
  36 static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
  37
  38 static 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
  47 static 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
  94 static 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
 106 static struct validx tbl_sensor_settings_common2[] = {
 107         {0x6001, 0x00ff}, {0x6038, 0x000c},
 108         {10, 0xffff},
 109         {0x6000, 0x0011},
 110 };
 111
 112 static 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
 126 static 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
 138 static 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
 148 static 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
 155 static 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
 168 static 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
 175 static int  ov2640_init_at_startup(struct gspca_dev *gspca_dev);
 176 static int  ov2640_configure_alt(struct gspca_dev *gspca_dev);
 177 static int  ov2640_init_pre_alt(struct gspca_dev *gspca_dev);
 178 static int  ov2640_init_post_alt(struct gspca_dev *gspca_dev);
 179 static void ov2640_post_unset_alt(struct gspca_dev *gspca_dev);
 180 static int  ov2640_camera_settings(struct gspca_dev *gspca_dev);
 181 /*==========================================================================*/
 182
 183 void 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
 219 static void common(struct gspca_dev *gspca_dev)
 220 {
 221         fetch_validx(gspca_dev, tbl_common, ARRAY_SIZE(tbl_common));
 222 }
 223
 224 static 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
 245 static 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
 267 static 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
 329 static 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
 347 static 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
 483 static 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 }