This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / usb / media / et61x251_tas5130d1b.c

diff --git a/drivers/usb/media/et61x251_tas5130d1b.c b/drivers/usb/media/et61x251_tas5130d1b.c
new file mode 100644 (file)
index 0000000..65f1ae9
--- /dev/null
+++ b/drivers/usb/media/et61x251_tas5130d1b.c
@@ -0,0 +1,137 @@
+/***************************************************************************
+ * Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51        *
+ * PC Camera Controllers                                                   *
+ *                                                                         *
+ * Copyright (C) 2006 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 "et61x251_sensor.h"
+
+
+static int tas5130d1b_init(struct et61x251_device* cam)
+{
+       int err = 0;
+
+       err += et61x251_write_reg(cam, 0x14, 0x01);
+       err += et61x251_write_reg(cam, 0x1b, 0x02);
+       err += et61x251_write_reg(cam, 0x02, 0x12);
+       err += et61x251_write_reg(cam, 0x0e, 0x60);
+       err += et61x251_write_reg(cam, 0x80, 0x61);
+       err += et61x251_write_reg(cam, 0xf0, 0x62);
+       err += et61x251_write_reg(cam, 0x03, 0x63);
+       err += et61x251_write_reg(cam, 0x14, 0x64);
+       err += et61x251_write_reg(cam, 0xf4, 0x65);
+       err += et61x251_write_reg(cam, 0x01, 0x66);
+       err += et61x251_write_reg(cam, 0x05, 0x67);
+       err += et61x251_write_reg(cam, 0x8f, 0x68);
+       err += et61x251_write_reg(cam, 0x0f, 0x8d);
+       err += et61x251_write_reg(cam, 0x08, 0x8e);
+
+       return err;
+}
+
+
+static int tas5130d1b_set_ctrl(struct et61x251_device* cam,
+                               const struct v4l2_control* ctrl)
+{
+       int err = 0;
+
+       switch (ctrl->id) {
+       case V4L2_CID_GAIN:
+               err += et61x251_i2c_raw_write(cam, 2, 0x20,
+                                             0xf6-ctrl->value, 0, 0, 0,
+                                             0, 0, 0, 0);
+               break;
+       case V4L2_CID_EXPOSURE:
+               err += et61x251_i2c_raw_write(cam, 2, 0x40,
+                                             0x47-ctrl->value, 0, 0, 0,
+                                             0, 0, 0, 0);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return err ? -EIO : 0;
+}
+
+
+static struct et61x251_sensor tas5130d1b = {
+       .name = "TAS5130D1B",
+       .interface = ET61X251_I2C_3WIRES,
+       .rsta = ET61X251_I2C_RSTA_STOP,
+       .active_pixel = {
+               .left = 106,
+               .top = 13,
+       },
+       .init = &tas5130d1b_init,
+       .qctrl = {
+               {
+                       .id = V4L2_CID_GAIN,
+                       .type = V4L2_CTRL_TYPE_INTEGER,
+                       .name = "global gain",
+                       .minimum = 0x00,
+                       .maximum = 0xf6,
+                       .step = 0x02,
+                       .default_value = 0x0d,
+                       .flags = 0,
+               },
+               {
+                       .id = V4L2_CID_EXPOSURE,
+                       .type = V4L2_CTRL_TYPE_INTEGER,
+                       .name = "exposure",
+                       .minimum = 0x00,
+                       .maximum = 0x47,
+                       .step = 0x01,
+                       .default_value = 0x23,
+                       .flags = 0,
+               },
+       },
+       .set_ctrl = &tas5130d1b_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_SBGGR8,
+               .priv = 8,
+       },
+};
+
+
+int et61x251_probe_tas5130d1b(struct et61x251_device* cam)
+{
+       /* This sensor has no identifiers, so let's attach it anyway */
+       et61x251_attach_sensor(cam, &tas5130d1b);
+
+       /* Sensor detection is based on USB pid/vid */
+       if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6251)
+               return -ENODEV;
+
+       return 0;
+}