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path: root/drivers/media/video/zc0301/zc0301_pas202bcb.c
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Diffstat (limited to 'drivers/media/video/zc0301/zc0301_pas202bcb.c')
-rw-r--r--drivers/media/video/zc0301/zc0301_pas202bcb.c361
1 files changed, 361 insertions, 0 deletions
diff --git a/drivers/media/video/zc0301/zc0301_pas202bcb.c b/drivers/media/video/zc0301/zc0301_pas202bcb.c
new file mode 100644
index 00000000000..eaadf025204
--- /dev/null
+++ b/drivers/media/video/zc0301/zc0301_pas202bcb.c
@@ -0,0 +1,361 @@
+/***************************************************************************
+ * Plug-in for PAS202BCB image sensor connected to the ZC030! Image *
+ * Processor and Control Chip *
+ * *
+ * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * *
+ * Initialization values of the ZC0301 have been taken from the SPCA5XX *
+ * driver maintained by Michel Xhaard <mxhaard@magic.fr> *
+ * *
+ * 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. *
+ ***************************************************************************/
+
+/*
+ NOTE: Sensor controls are disabled for now, becouse changing them while
+ streaming sometimes results in out-of-sync video frames. We'll use
+ the default initialization, until we know how to stop and start video
+ in the chip. However, the image quality still looks good under various
+ light conditions.
+*/
+
+#include <linux/delay.h>
+#include "zc0301_sensor.h"
+
+
+static struct zc0301_sensor pas202bcb;
+
+
+static int pas202bcb_init(struct zc0301_device* cam)
+{
+ int err = 0;
+
+ err += zc0301_write_reg(cam, 0x0002, 0x00);
+ err += zc0301_write_reg(cam, 0x0003, 0x02);
+ err += zc0301_write_reg(cam, 0x0004, 0x80);
+ err += zc0301_write_reg(cam, 0x0005, 0x01);
+ err += zc0301_write_reg(cam, 0x0006, 0xE0);
+ err += zc0301_write_reg(cam, 0x0098, 0x00);
+ err += zc0301_write_reg(cam, 0x009A, 0x03);
+ err += zc0301_write_reg(cam, 0x011A, 0x00);
+ err += zc0301_write_reg(cam, 0x011C, 0x03);
+ err += zc0301_write_reg(cam, 0x009B, 0x01);
+ err += zc0301_write_reg(cam, 0x009C, 0xE6);
+ err += zc0301_write_reg(cam, 0x009D, 0x02);
+ err += zc0301_write_reg(cam, 0x009E, 0x86);
+
+ err += zc0301_i2c_write(cam, 0x02, 0x02);
+ err += zc0301_i2c_write(cam, 0x0A, 0x01);
+ err += zc0301_i2c_write(cam, 0x0B, 0x01);
+ err += zc0301_i2c_write(cam, 0x0D, 0x00);
+ err += zc0301_i2c_write(cam, 0x12, 0x05);
+ err += zc0301_i2c_write(cam, 0x13, 0x63);
+ err += zc0301_i2c_write(cam, 0x15, 0x70);
+
+ err += zc0301_write_reg(cam, 0x0101, 0xB7);
+ err += zc0301_write_reg(cam, 0x0100, 0x0D);
+ err += zc0301_write_reg(cam, 0x0189, 0x06);
+ err += zc0301_write_reg(cam, 0x01AD, 0x00);
+ err += zc0301_write_reg(cam, 0x01C5, 0x03);
+ err += zc0301_write_reg(cam, 0x01CB, 0x13);
+ err += zc0301_write_reg(cam, 0x0250, 0x08);
+ err += zc0301_write_reg(cam, 0x0301, 0x08);
+ err += zc0301_write_reg(cam, 0x018D, 0x70);
+ err += zc0301_write_reg(cam, 0x0008, 0x03);
+ err += zc0301_write_reg(cam, 0x01C6, 0x04);
+ err += zc0301_write_reg(cam, 0x01CB, 0x07);
+ err += zc0301_write_reg(cam, 0x0120, 0x11);
+ err += zc0301_write_reg(cam, 0x0121, 0x37);
+ err += zc0301_write_reg(cam, 0x0122, 0x58);
+ err += zc0301_write_reg(cam, 0x0123, 0x79);
+ err += zc0301_write_reg(cam, 0x0124, 0x91);
+ err += zc0301_write_reg(cam, 0x0125, 0xA6);
+ err += zc0301_write_reg(cam, 0x0126, 0xB8);
+ err += zc0301_write_reg(cam, 0x0127, 0xC7);
+ err += zc0301_write_reg(cam, 0x0128, 0xD3);
+ err += zc0301_write_reg(cam, 0x0129, 0xDE);
+ err += zc0301_write_reg(cam, 0x012A, 0xE6);
+ err += zc0301_write_reg(cam, 0x012B, 0xED);
+ err += zc0301_write_reg(cam, 0x012C, 0xF3);
+ err += zc0301_write_reg(cam, 0x012D, 0xF8);
+ err += zc0301_write_reg(cam, 0x012E, 0xFB);
+ err += zc0301_write_reg(cam, 0x012F, 0xFF);
+ err += zc0301_write_reg(cam, 0x0130, 0x26);
+ err += zc0301_write_reg(cam, 0x0131, 0x23);
+ err += zc0301_write_reg(cam, 0x0132, 0x20);
+ err += zc0301_write_reg(cam, 0x0133, 0x1C);
+ err += zc0301_write_reg(cam, 0x0134, 0x16);
+ err += zc0301_write_reg(cam, 0x0135, 0x13);
+ err += zc0301_write_reg(cam, 0x0136, 0x10);
+ err += zc0301_write_reg(cam, 0x0137, 0x0D);
+ err += zc0301_write_reg(cam, 0x0138, 0x0B);
+ err += zc0301_write_reg(cam, 0x0139, 0x09);
+ err += zc0301_write_reg(cam, 0x013A, 0x07);
+ err += zc0301_write_reg(cam, 0x013B, 0x06);
+ err += zc0301_write_reg(cam, 0x013C, 0x05);
+ err += zc0301_write_reg(cam, 0x013D, 0x04);
+ err += zc0301_write_reg(cam, 0x013E, 0x03);
+ err += zc0301_write_reg(cam, 0x013F, 0x02);
+ err += zc0301_write_reg(cam, 0x010A, 0x4C);
+ err += zc0301_write_reg(cam, 0x010B, 0xF5);
+ err += zc0301_write_reg(cam, 0x010C, 0xFF);
+ err += zc0301_write_reg(cam, 0x010D, 0xF9);
+ err += zc0301_write_reg(cam, 0x010E, 0x51);
+ err += zc0301_write_reg(cam, 0x010F, 0xF5);
+ err += zc0301_write_reg(cam, 0x0110, 0xFB);
+ err += zc0301_write_reg(cam, 0x0111, 0xED);
+ err += zc0301_write_reg(cam, 0x0112, 0x5F);
+ err += zc0301_write_reg(cam, 0x0180, 0x00);
+ err += zc0301_write_reg(cam, 0x0019, 0x00);
+ err += zc0301_write_reg(cam, 0x0087, 0x20);
+ err += zc0301_write_reg(cam, 0x0088, 0x21);
+
+ err += zc0301_i2c_write(cam, 0x20, 0x02);
+ err += zc0301_i2c_write(cam, 0x21, 0x1B);
+ err += zc0301_i2c_write(cam, 0x03, 0x44);
+ err += zc0301_i2c_write(cam, 0x0E, 0x01);
+ err += zc0301_i2c_write(cam, 0x0F, 0x00);
+
+ err += zc0301_write_reg(cam, 0x01A9, 0x14);
+ err += zc0301_write_reg(cam, 0x01AA, 0x24);
+ err += zc0301_write_reg(cam, 0x0190, 0x00);
+ err += zc0301_write_reg(cam, 0x0191, 0x02);
+ err += zc0301_write_reg(cam, 0x0192, 0x1B);
+ err += zc0301_write_reg(cam, 0x0195, 0x00);
+ err += zc0301_write_reg(cam, 0x0196, 0x00);
+ err += zc0301_write_reg(cam, 0x0197, 0x4D);
+ err += zc0301_write_reg(cam, 0x018C, 0x10);
+ err += zc0301_write_reg(cam, 0x018F, 0x20);
+ err += zc0301_write_reg(cam, 0x001D, 0x44);
+ err += zc0301_write_reg(cam, 0x001E, 0x6F);
+ err += zc0301_write_reg(cam, 0x001F, 0xAD);
+ err += zc0301_write_reg(cam, 0x0020, 0xEB);
+ err += zc0301_write_reg(cam, 0x0087, 0x0F);
+ err += zc0301_write_reg(cam, 0x0088, 0x0E);
+ err += zc0301_write_reg(cam, 0x0180, 0x40);
+ err += zc0301_write_reg(cam, 0x0192, 0x1B);
+ err += zc0301_write_reg(cam, 0x0191, 0x02);
+ err += zc0301_write_reg(cam, 0x0190, 0x00);
+ err += zc0301_write_reg(cam, 0x0116, 0x1D);
+ err += zc0301_write_reg(cam, 0x0117, 0x40);
+ err += zc0301_write_reg(cam, 0x0118, 0x99);
+ err += zc0301_write_reg(cam, 0x0180, 0x42);
+ err += zc0301_write_reg(cam, 0x0116, 0x1D);
+ err += zc0301_write_reg(cam, 0x0117, 0x40);
+ err += zc0301_write_reg(cam, 0x0118, 0x99);
+ err += zc0301_write_reg(cam, 0x0007, 0x00);
+
+ err += zc0301_i2c_write(cam, 0x11, 0x01);
+
+ msleep(100);
+
+ return err;
+}
+
+
+static int pas202bcb_get_ctrl(struct zc0301_device* cam,
+ struct v4l2_control* ctrl)
+{
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ {
+ int r1 = zc0301_i2c_read(cam, 0x04, 1),
+ r2 = zc0301_i2c_read(cam, 0x05, 1);
+ if (r1 < 0 || r2 < 0)
+ return -EIO;
+ ctrl->value = (r1 << 6) | (r2 & 0x3f);
+ }
+ return 0;
+ case V4L2_CID_RED_BALANCE:
+ if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0)
+ return -EIO;
+ ctrl->value &= 0x0f;
+ return 0;
+ case V4L2_CID_BLUE_BALANCE:
+ if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0)
+ return -EIO;
+ ctrl->value &= 0x0f;
+ return 0;
+ case V4L2_CID_GAIN:
+ if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0)
+ return -EIO;
+ ctrl->value &= 0x1f;
+ return 0;
+ case ZC0301_V4L2_CID_GREEN_BALANCE:
+ if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0)
+ return -EIO;
+ ctrl->value &= 0x0f;
+ return 0;
+ case ZC0301_V4L2_CID_DAC_MAGNITUDE:
+ if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0)
+ return -EIO;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+
+static int pas202bcb_set_ctrl(struct zc0301_device* cam,
+ const struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6);
+ err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f);
+ break;
+ case V4L2_CID_RED_BALANCE:
+ err += zc0301_i2c_write(cam, 0x09, ctrl->value);
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ err += zc0301_i2c_write(cam, 0x07, ctrl->value);
+ break;
+ case V4L2_CID_GAIN:
+ err += zc0301_i2c_write(cam, 0x10, ctrl->value);
+ break;
+ case ZC0301_V4L2_CID_GREEN_BALANCE:
+ err += zc0301_i2c_write(cam, 0x08, ctrl->value);
+ break;
+ case ZC0301_V4L2_CID_DAC_MAGNITUDE:
+ err += zc0301_i2c_write(cam, 0x0c, ctrl->value);
+ break;
+ default:
+ return -EINVAL;
+ }
+ err += zc0301_i2c_write(cam, 0x11, 0x01);
+
+ return err ? -EIO : 0;
+}
+
+
+static struct zc0301_sensor pas202bcb = {
+ .name = "PAS202BCB",
+ .init = &pas202bcb_init,
+ .qctrl = {
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "exposure",
+ .minimum = 0x01e5,
+ .maximum = 0x3fff,
+ .step = 0x0001,
+ .default_value = 0x01e5,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "global gain",
+ .minimum = 0x00,
+ .maximum = 0x1f,
+ .step = 0x01,
+ .default_value = 0x0c,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = ZC0301_V4L2_CID_DAC_MAGNITUDE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "DAC magnitude",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0x00,
+ .maximum = 0x0f,
+ .step = 0x01,
+ .default_value = 0x01,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0x00,
+ .maximum = 0x0f,
+ .step = 0x01,
+ .default_value = 0x05,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ {
+ .id = ZC0301_V4L2_CID_GREEN_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "green balance",
+ .minimum = 0x00,
+ .maximum = 0x0f,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = V4L2_CTRL_FLAG_DISABLED,
+ },
+ },
+ .get_ctrl = &pas202bcb_get_ctrl,
+ .set_ctrl = &pas202bcb_set_ctrl,
+ .cropcap = {
+ .bounds = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ .defrect = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ },
+ .pix_format = {
+ .width = 640,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_JPEG,
+ .priv = 8,
+ },
+};
+
+
+int zc0301_probe_pas202bcb(struct zc0301_device* cam)
+{
+ int r0 = 0, r1 = 0, err = 0;
+ unsigned int pid = 0;
+
+ err += zc0301_write_reg(cam, 0x0000, 0x01);
+ err += zc0301_write_reg(cam, 0x0010, 0x0e);
+ err += zc0301_write_reg(cam, 0x0001, 0x01);
+ err += zc0301_write_reg(cam, 0x0012, 0x03);
+ err += zc0301_write_reg(cam, 0x0012, 0x01);
+ err += zc0301_write_reg(cam, 0x008d, 0x08);
+
+ msleep(10);
+
+ r0 = zc0301_i2c_read(cam, 0x00, 1);
+ r1 = zc0301_i2c_read(cam, 0x01, 1);
+
+ if (r0 < 0 || r1 < 0 || err)
+ return -EIO;
+
+ pid = (r0 << 4) | ((r1 & 0xf0) >> 4);
+ if (pid != 0x017)
+ return -ENODEV;
+
+ zc0301_attach_sensor(cam, &pas202bcb);
+
+ return 0;
+}
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