summaryrefslogtreecommitdiff
path: root/drivers/media/usb/sn9c102/sn9c102_ov7660.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/usb/sn9c102/sn9c102_ov7660.c')
-rw-r--r--drivers/media/usb/sn9c102/sn9c102_ov7660.c538
1 files changed, 538 insertions, 0 deletions
diff --git a/drivers/media/usb/sn9c102/sn9c102_ov7660.c b/drivers/media/usb/sn9c102/sn9c102_ov7660.c
new file mode 100644
index 000000000000..7977795d342b
--- /dev/null
+++ b/drivers/media/usb/sn9c102/sn9c102_ov7660.c
@@ -0,0 +1,538 @@
+/***************************************************************************
+ * Plug-in for OV7660 image sensor connected to the SN9C1xx PC Camera *
+ * Controllers *
+ * *
+ * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the Free Software *
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
+ ***************************************************************************/
+
+#include "sn9c102_sensor.h"
+#include "sn9c102_devtable.h"
+
+
+static int ov7660_init(struct sn9c102_device* cam)
+{
+ int err = 0;
+
+ err = sn9c102_write_const_regs(cam, {0x40, 0x02}, {0x00, 0x03},
+ {0x1a, 0x04}, {0x03, 0x10},
+ {0x08, 0x14}, {0x20, 0x17},
+ {0x8b, 0x18}, {0x00, 0x19},
+ {0x1d, 0x1a}, {0x10, 0x1b},
+ {0x02, 0x1c}, {0x03, 0x1d},
+ {0x0f, 0x1e}, {0x0c, 0x1f},
+ {0x00, 0x20}, {0x29, 0x21},
+ {0x40, 0x22}, {0x54, 0x23},
+ {0x66, 0x24}, {0x76, 0x25},
+ {0x85, 0x26}, {0x94, 0x27},
+ {0xa1, 0x28}, {0xae, 0x29},
+ {0xbb, 0x2a}, {0xc7, 0x2b},
+ {0xd3, 0x2c}, {0xde, 0x2d},
+ {0xea, 0x2e}, {0xf4, 0x2f},
+ {0xff, 0x30}, {0x00, 0x3f},
+ {0xc7, 0x40}, {0x01, 0x41},
+ {0x44, 0x42}, {0x00, 0x43},
+ {0x44, 0x44}, {0x00, 0x45},
+ {0x44, 0x46}, {0x00, 0x47},
+ {0xc7, 0x48}, {0x01, 0x49},
+ {0xc7, 0x4a}, {0x01, 0x4b},
+ {0xc7, 0x4c}, {0x01, 0x4d},
+ {0x44, 0x4e}, {0x00, 0x4f},
+ {0x44, 0x50}, {0x00, 0x51},
+ {0x44, 0x52}, {0x00, 0x53},
+ {0xc7, 0x54}, {0x01, 0x55},
+ {0xc7, 0x56}, {0x01, 0x57},
+ {0xc7, 0x58}, {0x01, 0x59},
+ {0x44, 0x5a}, {0x00, 0x5b},
+ {0x44, 0x5c}, {0x00, 0x5d},
+ {0x44, 0x5e}, {0x00, 0x5f},
+ {0xc7, 0x60}, {0x01, 0x61},
+ {0xc7, 0x62}, {0x01, 0x63},
+ {0xc7, 0x64}, {0x01, 0x65},
+ {0x44, 0x66}, {0x00, 0x67},
+ {0x44, 0x68}, {0x00, 0x69},
+ {0x44, 0x6a}, {0x00, 0x6b},
+ {0xc7, 0x6c}, {0x01, 0x6d},
+ {0xc7, 0x6e}, {0x01, 0x6f},
+ {0xc7, 0x70}, {0x01, 0x71},
+ {0x44, 0x72}, {0x00, 0x73},
+ {0x44, 0x74}, {0x00, 0x75},
+ {0x44, 0x76}, {0x00, 0x77},
+ {0xc7, 0x78}, {0x01, 0x79},
+ {0xc7, 0x7a}, {0x01, 0x7b},
+ {0xc7, 0x7c}, {0x01, 0x7d},
+ {0x44, 0x7e}, {0x00, 0x7f},
+ {0x14, 0x84}, {0x00, 0x85},
+ {0x27, 0x86}, {0x00, 0x87},
+ {0x07, 0x88}, {0x00, 0x89},
+ {0xec, 0x8a}, {0x0f, 0x8b},
+ {0xd8, 0x8c}, {0x0f, 0x8d},
+ {0x3d, 0x8e}, {0x00, 0x8f},
+ {0x3d, 0x90}, {0x00, 0x91},
+ {0xcd, 0x92}, {0x0f, 0x93},
+ {0xf7, 0x94}, {0x0f, 0x95},
+ {0x0c, 0x96}, {0x00, 0x97},
+ {0x00, 0x98}, {0x66, 0x99},
+ {0x05, 0x9a}, {0x00, 0x9b},
+ {0x04, 0x9c}, {0x00, 0x9d},
+ {0x08, 0x9e}, {0x00, 0x9f},
+ {0x2d, 0xc0}, {0x2d, 0xc1},
+ {0x3a, 0xc2}, {0x05, 0xc3},
+ {0x04, 0xc4}, {0x3f, 0xc5},
+ {0x00, 0xc6}, {0x00, 0xc7},
+ {0x50, 0xc8}, {0x3C, 0xc9},
+ {0x28, 0xca}, {0xd8, 0xcb},
+ {0x14, 0xcc}, {0xec, 0xcd},
+ {0x32, 0xce}, {0xdd, 0xcf},
+ {0x32, 0xd0}, {0xdd, 0xd1},
+ {0x6a, 0xd2}, {0x50, 0xd3},
+ {0x00, 0xd4}, {0x00, 0xd5},
+ {0x00, 0xd6});
+
+ err += sn9c102_i2c_write(cam, 0x12, 0x80);
+ err += sn9c102_i2c_write(cam, 0x11, 0x09);
+ err += sn9c102_i2c_write(cam, 0x00, 0x0A);
+ err += sn9c102_i2c_write(cam, 0x01, 0x80);
+ err += sn9c102_i2c_write(cam, 0x02, 0x80);
+ err += sn9c102_i2c_write(cam, 0x03, 0x00);
+ err += sn9c102_i2c_write(cam, 0x04, 0x00);
+ err += sn9c102_i2c_write(cam, 0x05, 0x08);
+ err += sn9c102_i2c_write(cam, 0x06, 0x0B);
+ err += sn9c102_i2c_write(cam, 0x07, 0x00);
+ err += sn9c102_i2c_write(cam, 0x08, 0x1C);
+ err += sn9c102_i2c_write(cam, 0x09, 0x01);
+ err += sn9c102_i2c_write(cam, 0x0A, 0x76);
+ err += sn9c102_i2c_write(cam, 0x0B, 0x60);
+ err += sn9c102_i2c_write(cam, 0x0C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x0D, 0x08);
+ err += sn9c102_i2c_write(cam, 0x0E, 0x04);
+ err += sn9c102_i2c_write(cam, 0x0F, 0x6F);
+ err += sn9c102_i2c_write(cam, 0x10, 0x20);
+ err += sn9c102_i2c_write(cam, 0x11, 0x03);
+ err += sn9c102_i2c_write(cam, 0x12, 0x05);
+ err += sn9c102_i2c_write(cam, 0x13, 0xC7);
+ err += sn9c102_i2c_write(cam, 0x14, 0x2C);
+ err += sn9c102_i2c_write(cam, 0x15, 0x00);
+ err += sn9c102_i2c_write(cam, 0x16, 0x02);
+ err += sn9c102_i2c_write(cam, 0x17, 0x10);
+ err += sn9c102_i2c_write(cam, 0x18, 0x60);
+ err += sn9c102_i2c_write(cam, 0x19, 0x02);
+ err += sn9c102_i2c_write(cam, 0x1A, 0x7B);
+ err += sn9c102_i2c_write(cam, 0x1B, 0x02);
+ err += sn9c102_i2c_write(cam, 0x1C, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x1D, 0xA2);
+ err += sn9c102_i2c_write(cam, 0x1E, 0x01);
+ err += sn9c102_i2c_write(cam, 0x1F, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x20, 0x05);
+ err += sn9c102_i2c_write(cam, 0x21, 0x05);
+ err += sn9c102_i2c_write(cam, 0x22, 0x05);
+ err += sn9c102_i2c_write(cam, 0x23, 0x05);
+ err += sn9c102_i2c_write(cam, 0x24, 0x68);
+ err += sn9c102_i2c_write(cam, 0x25, 0x58);
+ err += sn9c102_i2c_write(cam, 0x26, 0xD4);
+ err += sn9c102_i2c_write(cam, 0x27, 0x80);
+ err += sn9c102_i2c_write(cam, 0x28, 0x80);
+ err += sn9c102_i2c_write(cam, 0x29, 0x30);
+ err += sn9c102_i2c_write(cam, 0x2A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2B, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2C, 0x80);
+ err += sn9c102_i2c_write(cam, 0x2D, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2E, 0x00);
+ err += sn9c102_i2c_write(cam, 0x2F, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x30, 0x08);
+ err += sn9c102_i2c_write(cam, 0x31, 0x30);
+ err += sn9c102_i2c_write(cam, 0x32, 0xB4);
+ err += sn9c102_i2c_write(cam, 0x33, 0x00);
+ err += sn9c102_i2c_write(cam, 0x34, 0x07);
+ err += sn9c102_i2c_write(cam, 0x35, 0x84);
+ err += sn9c102_i2c_write(cam, 0x36, 0x00);
+ err += sn9c102_i2c_write(cam, 0x37, 0x0C);
+ err += sn9c102_i2c_write(cam, 0x38, 0x02);
+ err += sn9c102_i2c_write(cam, 0x39, 0x43);
+ err += sn9c102_i2c_write(cam, 0x3A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x3B, 0x0A);
+ err += sn9c102_i2c_write(cam, 0x3C, 0x6C);
+ err += sn9c102_i2c_write(cam, 0x3D, 0x99);
+ err += sn9c102_i2c_write(cam, 0x3E, 0x0E);
+ err += sn9c102_i2c_write(cam, 0x3F, 0x41);
+ err += sn9c102_i2c_write(cam, 0x40, 0xC1);
+ err += sn9c102_i2c_write(cam, 0x41, 0x22);
+ err += sn9c102_i2c_write(cam, 0x42, 0x08);
+ err += sn9c102_i2c_write(cam, 0x43, 0xF0);
+ err += sn9c102_i2c_write(cam, 0x44, 0x10);
+ err += sn9c102_i2c_write(cam, 0x45, 0x78);
+ err += sn9c102_i2c_write(cam, 0x46, 0xA8);
+ err += sn9c102_i2c_write(cam, 0x47, 0x60);
+ err += sn9c102_i2c_write(cam, 0x48, 0x80);
+ err += sn9c102_i2c_write(cam, 0x49, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4A, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4B, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4D, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4E, 0x00);
+ err += sn9c102_i2c_write(cam, 0x4F, 0x46);
+ err += sn9c102_i2c_write(cam, 0x50, 0x36);
+ err += sn9c102_i2c_write(cam, 0x51, 0x0F);
+ err += sn9c102_i2c_write(cam, 0x52, 0x17);
+ err += sn9c102_i2c_write(cam, 0x53, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x54, 0x96);
+ err += sn9c102_i2c_write(cam, 0x55, 0x40);
+ err += sn9c102_i2c_write(cam, 0x56, 0x40);
+ err += sn9c102_i2c_write(cam, 0x57, 0x40);
+ err += sn9c102_i2c_write(cam, 0x58, 0x0F);
+ err += sn9c102_i2c_write(cam, 0x59, 0xBA);
+ err += sn9c102_i2c_write(cam, 0x5A, 0x9A);
+ err += sn9c102_i2c_write(cam, 0x5B, 0x22);
+ err += sn9c102_i2c_write(cam, 0x5C, 0xB9);
+ err += sn9c102_i2c_write(cam, 0x5D, 0x9B);
+ err += sn9c102_i2c_write(cam, 0x5E, 0x10);
+ err += sn9c102_i2c_write(cam, 0x5F, 0xF0);
+ err += sn9c102_i2c_write(cam, 0x60, 0x05);
+ err += sn9c102_i2c_write(cam, 0x61, 0x60);
+ err += sn9c102_i2c_write(cam, 0x62, 0x00);
+ err += sn9c102_i2c_write(cam, 0x63, 0x00);
+ err += sn9c102_i2c_write(cam, 0x64, 0x50);
+ err += sn9c102_i2c_write(cam, 0x65, 0x30);
+ err += sn9c102_i2c_write(cam, 0x66, 0x00);
+ err += sn9c102_i2c_write(cam, 0x67, 0x80);
+ err += sn9c102_i2c_write(cam, 0x68, 0x7A);
+ err += sn9c102_i2c_write(cam, 0x69, 0x90);
+ err += sn9c102_i2c_write(cam, 0x6A, 0x80);
+ err += sn9c102_i2c_write(cam, 0x6B, 0x0A);
+ err += sn9c102_i2c_write(cam, 0x6C, 0x30);
+ err += sn9c102_i2c_write(cam, 0x6D, 0x48);
+ err += sn9c102_i2c_write(cam, 0x6E, 0x80);
+ err += sn9c102_i2c_write(cam, 0x6F, 0x74);
+ err += sn9c102_i2c_write(cam, 0x70, 0x64);
+ err += sn9c102_i2c_write(cam, 0x71, 0x60);
+ err += sn9c102_i2c_write(cam, 0x72, 0x5C);
+ err += sn9c102_i2c_write(cam, 0x73, 0x58);
+ err += sn9c102_i2c_write(cam, 0x74, 0x54);
+ err += sn9c102_i2c_write(cam, 0x75, 0x4C);
+ err += sn9c102_i2c_write(cam, 0x76, 0x40);
+ err += sn9c102_i2c_write(cam, 0x77, 0x38);
+ err += sn9c102_i2c_write(cam, 0x78, 0x34);
+ err += sn9c102_i2c_write(cam, 0x79, 0x30);
+ err += sn9c102_i2c_write(cam, 0x7A, 0x2F);
+ err += sn9c102_i2c_write(cam, 0x7B, 0x2B);
+ err += sn9c102_i2c_write(cam, 0x7C, 0x03);
+ err += sn9c102_i2c_write(cam, 0x7D, 0x07);
+ err += sn9c102_i2c_write(cam, 0x7E, 0x17);
+ err += sn9c102_i2c_write(cam, 0x7F, 0x34);
+ err += sn9c102_i2c_write(cam, 0x80, 0x41);
+ err += sn9c102_i2c_write(cam, 0x81, 0x4D);
+ err += sn9c102_i2c_write(cam, 0x82, 0x58);
+ err += sn9c102_i2c_write(cam, 0x83, 0x63);
+ err += sn9c102_i2c_write(cam, 0x84, 0x6E);
+ err += sn9c102_i2c_write(cam, 0x85, 0x77);
+ err += sn9c102_i2c_write(cam, 0x86, 0x87);
+ err += sn9c102_i2c_write(cam, 0x87, 0x95);
+ err += sn9c102_i2c_write(cam, 0x88, 0xAF);
+ err += sn9c102_i2c_write(cam, 0x89, 0xC7);
+ err += sn9c102_i2c_write(cam, 0x8A, 0xDF);
+ err += sn9c102_i2c_write(cam, 0x8B, 0x99);
+ err += sn9c102_i2c_write(cam, 0x8C, 0x99);
+ err += sn9c102_i2c_write(cam, 0x8D, 0xCF);
+ err += sn9c102_i2c_write(cam, 0x8E, 0x20);
+ err += sn9c102_i2c_write(cam, 0x8F, 0x26);
+ err += sn9c102_i2c_write(cam, 0x90, 0x10);
+ err += sn9c102_i2c_write(cam, 0x91, 0x0C);
+ err += sn9c102_i2c_write(cam, 0x92, 0x25);
+ err += sn9c102_i2c_write(cam, 0x93, 0x00);
+ err += sn9c102_i2c_write(cam, 0x94, 0x50);
+ err += sn9c102_i2c_write(cam, 0x95, 0x50);
+ err += sn9c102_i2c_write(cam, 0x96, 0x00);
+ err += sn9c102_i2c_write(cam, 0x97, 0x01);
+ err += sn9c102_i2c_write(cam, 0x98, 0x10);
+ err += sn9c102_i2c_write(cam, 0x99, 0x40);
+ err += sn9c102_i2c_write(cam, 0x9A, 0x40);
+ err += sn9c102_i2c_write(cam, 0x9B, 0x20);
+ err += sn9c102_i2c_write(cam, 0x9C, 0x00);
+ err += sn9c102_i2c_write(cam, 0x9D, 0x99);
+ err += sn9c102_i2c_write(cam, 0x9E, 0x7F);
+ err += sn9c102_i2c_write(cam, 0x9F, 0x00);
+ err += sn9c102_i2c_write(cam, 0xA0, 0x00);
+ err += sn9c102_i2c_write(cam, 0xA1, 0x00);
+
+ return err;
+}
+
+
+static int ov7660_get_ctrl(struct sn9c102_device* cam,
+ struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
+ return -EIO;
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ if ((ctrl->value = sn9c102_read_reg(cam, 0x02)) < 0)
+ return -EIO;
+ ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
+ break;
+ case V4L2_CID_RED_BALANCE:
+ if ((ctrl->value = sn9c102_read_reg(cam, 0x05)) < 0)
+ return -EIO;
+ ctrl->value &= 0x7f;
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ if ((ctrl->value = sn9c102_read_reg(cam, 0x06)) < 0)
+ return -EIO;
+ ctrl->value &= 0x7f;
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ if ((ctrl->value = sn9c102_read_reg(cam, 0x07)) < 0)
+ return -EIO;
+ ctrl->value &= 0x7f;
+ break;
+ case SN9C102_V4L2_CID_BAND_FILTER:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x3b)) < 0)
+ return -EIO;
+ ctrl->value &= 0x08;
+ break;
+ case V4L2_CID_GAIN:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
+ return -EIO;
+ ctrl->value &= 0x1f;
+ break;
+ case V4L2_CID_AUTOGAIN:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
+ return -EIO;
+ ctrl->value &= 0x01;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7660_set_ctrl(struct sn9c102_device* cam,
+ const struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ err += sn9c102_i2c_write(cam, 0x10, ctrl->value);
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ err += sn9c102_write_reg(cam, 0x43 | (ctrl->value << 2), 0x02);
+ break;
+ case V4L2_CID_RED_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x05);
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x06);
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x07);
+ break;
+ case SN9C102_V4L2_CID_BAND_FILTER:
+ err += sn9c102_i2c_write(cam, ctrl->value << 3, 0x3b);
+ break;
+ case V4L2_CID_GAIN:
+ err += sn9c102_i2c_write(cam, 0x00, 0x60 + ctrl->value);
+ break;
+ case V4L2_CID_AUTOGAIN:
+ err += sn9c102_i2c_write(cam, 0x13, 0xc0 |
+ (ctrl->value * 0x07));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7660_set_crop(struct sn9c102_device* cam,
+ const struct v4l2_rect* rect)
+{
+ struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
+ int err = 0;
+ u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1,
+ v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
+
+ err += sn9c102_write_reg(cam, h_start, 0x12);
+ err += sn9c102_write_reg(cam, v_start, 0x13);
+
+ return err;
+}
+
+
+static int ov7660_set_pix_format(struct sn9c102_device* cam,
+ const struct v4l2_pix_format* pix)
+{
+ int r0, err = 0;
+
+ r0 = sn9c102_pread_reg(cam, 0x01);
+
+ if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
+ err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
+ err += sn9c102_write_reg(cam, 0xa2, 0x17);
+ err += sn9c102_i2c_write(cam, 0x11, 0x00);
+ } else {
+ err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
+ err += sn9c102_write_reg(cam, 0xa2, 0x17);
+ err += sn9c102_i2c_write(cam, 0x11, 0x0d);
+ }
+
+ return err;
+}
+
+
+static const struct sn9c102_sensor ov7660 = {
+ .name = "OV7660",
+ .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+ .supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
+ .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
+ .frequency = SN9C102_I2C_100KHZ,
+ .interface = SN9C102_I2C_2WIRES,
+ .i2c_slave_id = 0x21,
+ .init = &ov7660_init,
+ .qctrl = {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "global gain",
+ .minimum = 0x00,
+ .maximum = 0x1f,
+ .step = 0x01,
+ .default_value = 0x09,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "exposure",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0x27,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_DO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "night mode",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x14,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x14,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto adjust",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x01,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_GREEN_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "green balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x01,
+ .default_value = 0x14,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_BAND_FILTER,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "band filter",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ },
+ .get_ctrl = &ov7660_get_ctrl,
+ .set_ctrl = &ov7660_set_ctrl,
+ .cropcap = {
+ .bounds = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ .defrect = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ },
+ .set_crop = &ov7660_set_crop,
+ .pix_format = {
+ .width = 640,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_JPEG,
+ .priv = 8,
+ },
+ .set_pix_format = &ov7660_set_pix_format
+};
+
+
+int sn9c102_probe_ov7660(struct sn9c102_device* cam)
+{
+ int pid, ver, err;
+
+ err = sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
+ {0x01, 0x01}, {0x00, 0x01},
+ {0x28, 0x17});
+
+ pid = sn9c102_i2c_try_read(cam, &ov7660, 0x0a);
+ ver = sn9c102_i2c_try_read(cam, &ov7660, 0x0b);
+ if (err || pid < 0 || ver < 0)
+ return -EIO;
+ if (pid != 0x76 || ver != 0x60)
+ return -ENODEV;
+
+ sn9c102_attach_sensor(cam, &ov7660);
+
+ return 0;
+}