Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 271 insertions, 0 deletions

diff --git a/drivers/usb/media/sn9c102_hv7131d.c b/drivers/usb/media/sn9c102_hv7131d.c
new file mode 100644
index 000000000000..18070d5333cf
--- /dev/null
+++ b/drivers/usb/media/sn9c102_hv7131d.c
@@ -0,0 +1,271 @@
+/***************************************************************************
+ * Plug-in for HV7131D image sensor connected to the SN9C10x PC Camera     *
+ * Controllers                                                             *
+ *                                                                         *
+ * Copyright (C) 2004-2005 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"
+
+
+static struct sn9c102_sensor hv7131d;
+
+
+static int hv7131d_init(struct sn9c102_device* cam)
+{
+        int err = 0;
+
+        err += sn9c102_write_reg(cam, 0x00, 0x10);
+        err += sn9c102_write_reg(cam, 0x00, 0x11);
+        err += sn9c102_write_reg(cam, 0x00, 0x14);
+        err += sn9c102_write_reg(cam, 0x60, 0x17);
+        err += sn9c102_write_reg(cam, 0x0e, 0x18);
+        err += sn9c102_write_reg(cam, 0xf2, 0x19);
+
+        err += sn9c102_i2c_write(cam, 0x01, 0x04);
+        err += sn9c102_i2c_write(cam, 0x02, 0x00);
+        err += sn9c102_i2c_write(cam, 0x28, 0x00);
+
+        return err;
+}
+
+
+static int hv7131d_get_ctrl(struct sn9c102_device* cam, 
+                            struct v4l2_control* ctrl)
+{
+        switch (ctrl->id) {
+        case V4L2_CID_EXPOSURE:
+                {
+                        int r1 = sn9c102_i2c_read(cam, 0x26),
+                            r2 = sn9c102_i2c_read(cam, 0x27);
+                        if (r1 < 0 || r2 < 0)
+                                return -EIO;
+                        ctrl->value = (r1 << 8) | (r2 & 0xff);
+                }
+                return 0;
+        case V4L2_CID_RED_BALANCE:
+                if ((ctrl->value = sn9c102_i2c_read(cam, 0x31)) < 0)
+                        return -EIO;
+                ctrl->value = 0x3f - (ctrl->value & 0x3f);
+                return 0;
+        case V4L2_CID_BLUE_BALANCE:
+                if ((ctrl->value = sn9c102_i2c_read(cam, 0x33)) < 0)
+                        return -EIO;
+                ctrl->value = 0x3f - (ctrl->value & 0x3f);
+                return 0;
+        case SN9C102_V4L2_CID_GREEN_BALANCE:
+                if ((ctrl->value = sn9c102_i2c_read(cam, 0x32)) < 0)
+                        return -EIO;
+                ctrl->value = 0x3f - (ctrl->value & 0x3f);
+                return 0;
+        case SN9C102_V4L2_CID_RESET_LEVEL:
+                if ((ctrl->value = sn9c102_i2c_read(cam, 0x30)) < 0)
+                        return -EIO;
+                ctrl->value &= 0x3f;
+                return 0;
+        case SN9C102_V4L2_CID_PIXEL_BIAS_VOLTAGE:
+                if ((ctrl->value = sn9c102_i2c_read(cam, 0x34)) < 0)
+                        return -EIO;
+                ctrl->value &= 0x07;
+                return 0;
+        default:
+                return -EINVAL;
+        }
+}
+
+
+static int hv7131d_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, 0x26, ctrl->value >> 8);
+                err += sn9c102_i2c_write(cam, 0x27, ctrl->value & 0xff);
+                break;
+        case V4L2_CID_RED_BALANCE:
+                err += sn9c102_i2c_write(cam, 0x31, 0x3f - ctrl->value);
+                break;
+        case V4L2_CID_BLUE_BALANCE:
+                err += sn9c102_i2c_write(cam, 0x33, 0x3f - ctrl->value);
+                break;
+        case SN9C102_V4L2_CID_GREEN_BALANCE:
+                err += sn9c102_i2c_write(cam, 0x32, 0x3f - ctrl->value);
+                break;
+        case SN9C102_V4L2_CID_RESET_LEVEL:
+                err += sn9c102_i2c_write(cam, 0x30, ctrl->value);
+                break;
+        case SN9C102_V4L2_CID_PIXEL_BIAS_VOLTAGE:
+                err += sn9c102_i2c_write(cam, 0x34, ctrl->value);
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return err ? -EIO : 0;
+}
+
+
+static int hv7131d_set_crop(struct sn9c102_device* cam, 
+                            const struct v4l2_rect* rect)
+{
+        struct sn9c102_sensor* s = &hv7131d;
+        int err = 0;
+        u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 2,
+           v_start = (u8)(rect->top - s->cropcap.bounds.top) + 2;
+
+        err += sn9c102_write_reg(cam, h_start, 0x12);
+        err += sn9c102_write_reg(cam, v_start, 0x13);
+
+        return err;
+}
+
+
+static int hv7131d_set_pix_format(struct sn9c102_device* cam, 
+                                  const struct v4l2_pix_format* pix)
+{
+        int err = 0;
+
+        if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
+                err += sn9c102_write_reg(cam, 0x42, 0x19);
+        else
+                err += sn9c102_write_reg(cam, 0xf2, 0x19);
+
+        return err;
+}
+
+
+static struct sn9c102_sensor hv7131d = {
+        .name = "HV7131D",
+        .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+        .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
+        .frequency = SN9C102_I2C_100KHZ,
+        .interface = SN9C102_I2C_2WIRES,
+        .i2c_slave_id = 0x11,
+        .init = &hv7131d_init,
+        .qctrl = {
+                {
+                        .id = V4L2_CID_EXPOSURE,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "exposure",
+                        .minimum = 0x0250,
+                        .maximum = 0xffff,
+                        .step = 0x0001,
+                        .default_value = 0x0250,
+                        .flags = 0,
+                },
+                {
+                        .id = V4L2_CID_RED_BALANCE,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "red balance",
+                        .minimum = 0x00,
+                        .maximum = 0x3f,
+                        .step = 0x01,
+                        .default_value = 0x00,
+                        .flags = 0,
+                },
+                {
+                        .id = V4L2_CID_BLUE_BALANCE,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "blue balance",
+                        .minimum = 0x00,
+                        .maximum = 0x3f,
+                        .step = 0x01,
+                        .default_value = 0x20,
+                        .flags = 0,
+                },
+                {
+                        .id = SN9C102_V4L2_CID_GREEN_BALANCE,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "green balance",
+                        .minimum = 0x00,
+                        .maximum = 0x3f,
+                        .step = 0x01,
+                        .default_value = 0x1e,
+                        .flags = 0,
+                },
+                {
+                        .id = SN9C102_V4L2_CID_RESET_LEVEL,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "reset level",
+                        .minimum = 0x19,
+                        .maximum = 0x3f,
+                        .step = 0x01,
+                        .default_value = 0x30,
+                        .flags = 0,
+                },
+                {
+                        .id = SN9C102_V4L2_CID_PIXEL_BIAS_VOLTAGE,
+                        .type = V4L2_CTRL_TYPE_INTEGER,
+                        .name = "pixel bias voltage",
+                        .minimum = 0x00,
+                        .maximum = 0x07,
+                        .step = 0x01,
+                        .default_value = 0x02,
+                        .flags = 0,
+                },
+        },
+        .get_ctrl = &hv7131d_get_ctrl,
+        .set_ctrl = &hv7131d_set_ctrl,
+        .cropcap = {
+                .bounds = {
+                        .left = 0,
+                        .top = 0,
+                        .width = 640,
+                        .height = 480,
+                },
+                .defrect = {
+                        .left = 0,
+                        .top = 0,
+                        .width = 640,
+                        .height = 480,
+                },
+        },
+        .set_crop = &hv7131d_set_crop,
+        .pix_format = {
+                .width = 640,
+                .height = 480,
+                .pixelformat = V4L2_PIX_FMT_SBGGR8,
+                .priv = 8,
+        },
+        .set_pix_format = &hv7131d_set_pix_format
+};
+
+
+int sn9c102_probe_hv7131d(struct sn9c102_device* cam)
+{
+        int r0 = 0, r1 = 0, err = 0;
+
+        err += sn9c102_write_reg(cam, 0x01, 0x01);
+        err += sn9c102_write_reg(cam, 0x00, 0x01);
+        err += sn9c102_write_reg(cam, 0x28, 0x17);
+        if (err)
+                return -EIO;
+
+        r0 = sn9c102_i2c_try_read(cam, &hv7131d, 0x00);
+        r1 = sn9c102_i2c_try_read(cam, &hv7131d, 0x01);
+        if (r0 < 0 || r1 < 0)
+                return -EIO;
+
+        if (r0 != 0x00 && r1 != 0x04)
+                return -ENODEV;
+
+        sn9c102_attach_sensor(cam, &hv7131d);
+
+        return 0;
+}