fedora core 2.6.10-1.12-FC2

[linux-2.6.git] / drivers / usb / media / sn9c102_pas106b.c

diff --git a/drivers/usb/media/sn9c102_pas106b.c b/drivers/usb/media/sn9c102_pas106b.c
index a302a48..54942d6 100644 (file)
--- a/drivers/usb/media/sn9c102_pas106b.c
+++ b/drivers/usb/media/sn9c102_pas106b.c
@@ -1,5 +1,5 @@
 /***************************************************************************
- * Driver for PAS106B image sensor connected to the SN9C10[12] PC Camera   *
+ * Plug-in for PAS106B image sensor connected to the SN9C10x PC Camera     *
  * Controllers                                                             *
  *                                                                         *
  * Copyright (C) 2004 by Luca Risolia <luca.risolia@studio.unibo.it>       *
@@ -38,14 +38,9 @@ static int pas106b_init(struct sn9c102_device* cam)
        err += sn9c102_write_reg(cam, 0x09, 0x18);
 
        err += sn9c102_i2c_write(cam, 0x02, 0x0c);
-       err += sn9c102_i2c_write(cam, 0x03, 0x12);
-       err += sn9c102_i2c_write(cam, 0x04, 0x05);
        err += sn9c102_i2c_write(cam, 0x05, 0x5a);
        err += sn9c102_i2c_write(cam, 0x06, 0x88);
        err += sn9c102_i2c_write(cam, 0x07, 0x80);
-       err += sn9c102_i2c_write(cam, 0x08, 0x01);
-       err += sn9c102_i2c_write(cam, 0x0a, 0x01);
-       err += sn9c102_i2c_write(cam, 0x0b, 0x00);
        err += sn9c102_i2c_write(cam, 0x10, 0x06);
        err += sn9c102_i2c_write(cam, 0x11, 0x06);
        err += sn9c102_i2c_write(cam, 0x12, 0x00);
@@ -62,6 +57,15 @@ static int pas106b_get_ctrl(struct sn9c102_device* cam,
                             struct v4l2_control* ctrl)
 {
        switch (ctrl->id) {
+       case V4L2_CID_EXPOSURE:
+               {
+                       int r1 = sn9c102_i2c_read(cam, 0x03),
+                           r2 = sn9c102_i2c_read(cam, 0x04);
+                       if (r1 < 0 || r2 < 0)
+                               return -EIO;
+                       ctrl->value = (r1 << 4) | (r2 & 0x0f);
+               }
+               return 0;
        case V4L2_CID_RED_BALANCE:
                if ((ctrl->value = sn9c102_i2c_read(cam, 0x0c)) < 0)
                        return -EIO;
@@ -77,16 +81,26 @@ static int pas106b_get_ctrl(struct sn9c102_device* cam,
                        return -EIO;
                ctrl->value &= 0x1f;
                return 0;
-       case V4L2_CID_BRIGHTNESS:
-               if ((ctrl->value = sn9c102_i2c_read(cam, 0x0d)) < 0)
-                       return -EIO;
-               ctrl->value &= 0x1f;
-               return 0;
        case V4L2_CID_CONTRAST:
                if ((ctrl->value = sn9c102_i2c_read(cam, 0x0f)) < 0)
                        return -EIO;
                ctrl->value &= 0x07;
                return 0;
+       case SN9C102_V4L2_CID_GREEN_BALANCE:
+               if ((ctrl->value = sn9c102_i2c_read(cam, 0x0a)) < 0)
+                       return -EIO;
+               ctrl->value = (ctrl->value & 0x1f) << 1;
+               return 0;
+       case SN9C102_V4L2_CID_DAC_MAGNITUDE:
+               if ((ctrl->value = sn9c102_i2c_read(cam, 0x08)) < 0)
+                       return -EIO;
+               ctrl->value &= 0xf8;
+               return 0;
+       case SN9C102_V4L2_CID_DAC_SIGN:
+               if ((ctrl->value = sn9c102_i2c_read(cam, 0x07)) < 0)
+                       return -EIO;
+               ctrl->value &= 0x01;
+               return 0;
        default:
                return -EINVAL;
        }
@@ -99,27 +113,42 @@ static int pas106b_set_ctrl(struct sn9c102_device* cam,
        int err = 0;
 
        switch (ctrl->id) {
+       case V4L2_CID_EXPOSURE:
+               err += sn9c102_i2c_write(cam, 0x03, ctrl->value >> 4);
+               err += sn9c102_i2c_write(cam, 0x04, ctrl->value & 0x0f);
+               break;
        case V4L2_CID_RED_BALANCE:
-               err += sn9c102_i2c_write(cam, 0x0c, ctrl->value & 0x1f);
+               err += sn9c102_i2c_write(cam, 0x0c, ctrl->value);
                break;
        case V4L2_CID_BLUE_BALANCE:
-               err += sn9c102_i2c_write(cam, 0x09, ctrl->value & 0x1f);
+               err += sn9c102_i2c_write(cam, 0x09, ctrl->value);
                break;
        case V4L2_CID_GAIN:
-               err += sn9c102_i2c_write(cam, 0x0e, ctrl->value & 0x1f);
-               break;
-       case V4L2_CID_BRIGHTNESS:
-               err += sn9c102_i2c_write(cam, 0x0d, 0x1f-(ctrl->value & 0x1f));
+               err += sn9c102_i2c_write(cam, 0x0e, ctrl->value);
                break;
        case V4L2_CID_CONTRAST:
-               err += sn9c102_i2c_write(cam, 0x0f, ctrl->value & 0x03);
+               err += sn9c102_i2c_write(cam, 0x0f, ctrl->value);
+               break;
+       case SN9C102_V4L2_CID_GREEN_BALANCE:
+               err += sn9c102_i2c_write(cam, 0x0a, ctrl->value >> 1);
+               err += sn9c102_i2c_write(cam, 0x0b, ctrl->value >> 1);
+               break;
+       case SN9C102_V4L2_CID_DAC_MAGNITUDE:
+               err += sn9c102_i2c_write(cam, 0x08, ctrl->value << 3);
+               break;
+       case SN9C102_V4L2_CID_DAC_SIGN:
+               {
+                       int r;
+                       err += (r = sn9c102_i2c_read(cam, 0x07)) < 0 ? r : 0;
+                       err += sn9c102_i2c_write(cam, 0x07, r | ctrl->value);
+               }
                break;
        default:
                return -EINVAL;
        }
        err += sn9c102_i2c_write(cam, 0x13, 0x01);
 
-       return err;
+       return err ? -EIO : 0;
 }
 
 
@@ -147,6 +176,36 @@ static struct sn9c102_sensor pas106b = {
        .slave_write_id = 0x40,
        .init = &pas106b_init,
        .qctrl = {
+               {
+                       .id = V4L2_CID_EXPOSURE,
+                       .type = V4L2_CTRL_TYPE_INTEGER,
+                       .name = "exposure",
+                       .minimum = 0x125,
+                       .maximum = 0xfff,
+                       .step = 0x01,
+                       .default_value = 0x140,
+                       .flags = 0,
+               },
+               {
+                       .id = V4L2_CID_GAIN,
+                       .type = V4L2_CTRL_TYPE_INTEGER,
+                       .name = "global gain",
+                       .minimum = 0x00,
+                       .maximum = 0x1f,
+                       .step = 0x01,
+                       .default_value = 0x0d,
+                       .flags = 0,
+               },
+               {
+                       .id = V4L2_CID_CONTRAST,
+                       .type = V4L2_CTRL_TYPE_INTEGER,
+                       .name = "contrast",
+                       .minimum = 0x00,
+                       .maximum = 0x07,
+                       .step = 0x01,
+                       .default_value = 0x00, /* 0x00~0x03 have same effect */
+                       .flags = 0,
+               },
                {
                        .id = V4L2_CID_RED_BALANCE,
                        .type = V4L2_CTRL_TYPE_INTEGER,
@@ -168,33 +227,33 @@ static struct sn9c102_sensor pas106b = {
                        .flags = 0,
                },
                {
-                       .id = V4L2_CID_GAIN,
+                       .id = SN9C102_V4L2_CID_GREEN_BALANCE,
                        .type = V4L2_CTRL_TYPE_INTEGER,
-                       .name = "global gain",
+                       .name = "green balance",
                        .minimum = 0x00,
-                       .maximum = 0x1f,
-                       .step = 0x01,
-                       .default_value = 0x0d,
+                       .maximum = 0x3e,
+                       .step = 0x02,
+                       .default_value = 0x02,
                        .flags = 0,
                },
                {
-                       .id = V4L2_CID_BRIGHTNESS,
+                       .id = SN9C102_V4L2_CID_DAC_MAGNITUDE,
                        .type = V4L2_CTRL_TYPE_INTEGER,
-                       .name = "brightness",
+                       .name = "DAC magnitude",
                        .minimum = 0x00,
                        .maximum = 0x1f,
                        .step = 0x01,
-                       .default_value = 0x1f,
+                       .default_value = 0x01,
                        .flags = 0,
                },
                {
-                       .id = V4L2_CID_CONTRAST,
-                       .type = V4L2_CTRL_TYPE_INTEGER,
-                       .name = "contrast",
+                       .id = SN9C102_V4L2_CID_DAC_SIGN,
+                       .type = V4L2_CTRL_TYPE_BOOLEAN,
+                       .name = "DAC sign",
                        .minimum = 0x00,
-                       .maximum = 0x07,
+                       .maximum = 0x01,
                        .step = 0x01,
-                       .default_value = 0x00, /* 0x00~0x03 have same effect */
+                       .default_value = 0x00,
                        .flags = 0,
                },
        },