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path: root/drivers/media/video/sn9c102/sn9c102_ov7630.c
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Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_ov7630.c')
-rw-r--r--drivers/media/video/sn9c102/sn9c102_ov7630.c336
1 files changed, 197 insertions, 139 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c
index 3da04202178..7df09ff38e6 100644
--- a/drivers/media/video/sn9c102/sn9c102_ov7630.c
+++ b/drivers/media/video/sn9c102/sn9c102_ov7630.c
@@ -1,8 +1,8 @@
/***************************************************************************
- * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera *
+ * Plug-in for OV7630 image sensor connected to the SN9C1xx PC Camera *
* Controllers *
* *
- * Copyright (C) 2005-2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * Copyright (C) 2006-2007 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 *
@@ -29,13 +29,17 @@ static int ov7630_init(struct sn9c102_device* cam)
{
int err = 0;
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
err += sn9c102_write_reg(cam, 0x00, 0x14);
err += sn9c102_write_reg(cam, 0x60, 0x17);
err += sn9c102_write_reg(cam, 0x0f, 0x18);
err += sn9c102_write_reg(cam, 0x50, 0x19);
- err += sn9c102_i2c_write(cam, 0x12, 0x80);
- err += sn9c102_i2c_write(cam, 0x11, 0x01);
+ err += sn9c102_i2c_write(cam, 0x12, 0x8d);
+ err += sn9c102_i2c_write(cam, 0x12, 0x0d);
+ err += sn9c102_i2c_write(cam, 0x11, 0x00);
err += sn9c102_i2c_write(cam, 0x15, 0x34);
err += sn9c102_i2c_write(cam, 0x16, 0x03);
err += sn9c102_i2c_write(cam, 0x17, 0x1c);
@@ -43,14 +47,72 @@ static int ov7630_init(struct sn9c102_device* cam)
err += sn9c102_i2c_write(cam, 0x19, 0x06);
err += sn9c102_i2c_write(cam, 0x1a, 0xf6);
err += sn9c102_i2c_write(cam, 0x1b, 0x04);
- err += sn9c102_i2c_write(cam, 0x20, 0xf6);
+ err += sn9c102_i2c_write(cam, 0x20, 0x44);
+ err += sn9c102_i2c_write(cam, 0x23, 0xee);
+ err += sn9c102_i2c_write(cam, 0x26, 0xa0);
+ err += sn9c102_i2c_write(cam, 0x27, 0x9a);
+ err += sn9c102_i2c_write(cam, 0x28, 0x20);
+ err += sn9c102_i2c_write(cam, 0x29, 0x30);
+ err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
+ err += sn9c102_i2c_write(cam, 0x30, 0x24);
+ err += sn9c102_i2c_write(cam, 0x32, 0x86);
+ err += sn9c102_i2c_write(cam, 0x60, 0xa9);
+ err += sn9c102_i2c_write(cam, 0x61, 0x42);
+ err += sn9c102_i2c_write(cam, 0x65, 0x00);
+ err += sn9c102_i2c_write(cam, 0x69, 0x38);
+ err += sn9c102_i2c_write(cam, 0x6f, 0x88);
+ err += sn9c102_i2c_write(cam, 0x70, 0x0b);
+ err += sn9c102_i2c_write(cam, 0x71, 0x00);
+ err += sn9c102_i2c_write(cam, 0x74, 0x21);
+ err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
+ break;
+ case BRIDGE_SN9C103:
+ err += sn9c102_write_reg(cam, 0x00, 0x02);
+ err += sn9c102_write_reg(cam, 0x00, 0x03);
+ err += sn9c102_write_reg(cam, 0x1a, 0x04);
+ err += sn9c102_write_reg(cam, 0x20, 0x05);
+ err += sn9c102_write_reg(cam, 0x20, 0x06);
+ err += sn9c102_write_reg(cam, 0x20, 0x07);
+ err += sn9c102_write_reg(cam, 0x03, 0x10);
+ err += sn9c102_write_reg(cam, 0x0a, 0x14);
+ err += sn9c102_write_reg(cam, 0x60, 0x17);
+ err += sn9c102_write_reg(cam, 0x0f, 0x18);
+ err += sn9c102_write_reg(cam, 0x50, 0x19);
+ err += sn9c102_write_reg(cam, 0x1d, 0x1a);
+ err += sn9c102_write_reg(cam, 0x10, 0x1b);
+ err += sn9c102_write_reg(cam, 0x02, 0x1c);
+ err += sn9c102_write_reg(cam, 0x03, 0x1d);
+ err += sn9c102_write_reg(cam, 0x0f, 0x1e);
+ err += sn9c102_write_reg(cam, 0x0c, 0x1f);
+ err += sn9c102_write_reg(cam, 0x00, 0x20);
+ err += sn9c102_write_reg(cam, 0x10, 0x21);
+ err += sn9c102_write_reg(cam, 0x20, 0x22);
+ err += sn9c102_write_reg(cam, 0x30, 0x23);
+ err += sn9c102_write_reg(cam, 0x40, 0x24);
+ err += sn9c102_write_reg(cam, 0x50, 0x25);
+ err += sn9c102_write_reg(cam, 0x60, 0x26);
+ err += sn9c102_write_reg(cam, 0x70, 0x27);
+ err += sn9c102_write_reg(cam, 0x80, 0x28);
+ err += sn9c102_write_reg(cam, 0x90, 0x29);
+ err += sn9c102_write_reg(cam, 0xa0, 0x2a);
+ err += sn9c102_write_reg(cam, 0xb0, 0x2b);
+ err += sn9c102_write_reg(cam, 0xc0, 0x2c);
+ err += sn9c102_write_reg(cam, 0xd0, 0x2d);
+ err += sn9c102_write_reg(cam, 0xe0, 0x2e);
+ err += sn9c102_write_reg(cam, 0xf0, 0x2f);
+ err += sn9c102_write_reg(cam, 0xff, 0x30);
+
+ err += sn9c102_i2c_write(cam, 0x12, 0x8d);
+ err += sn9c102_i2c_write(cam, 0x12, 0x0d);
+ err += sn9c102_i2c_write(cam, 0x15, 0x34);
+ err += sn9c102_i2c_write(cam, 0x11, 0x01);
+ err += sn9c102_i2c_write(cam, 0x1b, 0x04);
+ err += sn9c102_i2c_write(cam, 0x20, 0x44);
err += sn9c102_i2c_write(cam, 0x23, 0xee);
err += sn9c102_i2c_write(cam, 0x26, 0xa0);
err += sn9c102_i2c_write(cam, 0x27, 0x9a);
- err += sn9c102_i2c_write(cam, 0x28, 0xa0);
+ err += sn9c102_i2c_write(cam, 0x28, 0x20);
err += sn9c102_i2c_write(cam, 0x29, 0x30);
- err += sn9c102_i2c_write(cam, 0x2a, 0xa0);
- err += sn9c102_i2c_write(cam, 0x2b, 0x1f);
err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
err += sn9c102_i2c_write(cam, 0x30, 0x24);
err += sn9c102_i2c_write(cam, 0x32, 0x86);
@@ -63,45 +125,97 @@ static int ov7630_init(struct sn9c102_device* cam)
err += sn9c102_i2c_write(cam, 0x71, 0x00);
err += sn9c102_i2c_write(cam, 0x74, 0x21);
err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
+ break;
+ default:
+ break;
+ }
return err;
}
-static int ov7630_set_ctrl(struct sn9c102_device* cam,
- const struct v4l2_control* ctrl)
+static int ov7630_get_ctrl(struct sn9c102_device* cam,
+ struct v4l2_control* ctrl)
{
int err = 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
- err += sn9c102_i2c_write(cam, 0x10, ctrl->value >> 2);
- err += sn9c102_i2c_write(cam, 0x76, ctrl->value & 0x03);
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
+ return -EIO;
break;
case V4L2_CID_RED_BALANCE:
- err += sn9c102_i2c_write(cam, 0x02, ctrl->value);
+ ctrl->value = sn9c102_pread_reg(cam, 0x07);
break;
case V4L2_CID_BLUE_BALANCE:
- err += sn9c102_i2c_write(cam, 0x01, ctrl->value);
+ ctrl->value = sn9c102_pread_reg(cam, 0x06);
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ ctrl->value = sn9c102_pread_reg(cam, 0x05);
break;
case V4L2_CID_GAIN:
- err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
+ return -EIO;
+ ctrl->value &= 0x3f;
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x0c)) < 0)
+ return -EIO;
+ ctrl->value &= 0x3f;
+ break;
+ case V4L2_CID_WHITENESS:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x0d)) < 0)
+ return -EIO;
+ ctrl->value &= 0x3f;
+ break;
+ case V4L2_CID_AUTOGAIN:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
+ return -EIO;
+ ctrl->value &= 0x01;
+ break;
+ case V4L2_CID_VFLIP:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x75)) < 0)
+ return -EIO;
+ ctrl->value = (ctrl->value & 0x80) ? 1 : 0;
+ break;
+ case SN9C102_V4L2_CID_GAMMA:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x14)) < 0)
+ return -EIO;
+ ctrl->value = (ctrl->value & 0x02) ? 1 : 0;
+ break;
+ case SN9C102_V4L2_CID_BAND_FILTER:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x2d)) < 0)
+ return -EIO;
+ ctrl->value = (ctrl->value & 0x02) ? 1 : 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7630_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_CONTRAST:
- err += ctrl->value ? sn9c102_i2c_write(cam, 0x05,
- (ctrl->value-1) | 0x20)
- : sn9c102_i2c_write(cam, 0x05, 0x00);
+ case V4L2_CID_RED_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x07);
break;
- case V4L2_CID_BRIGHTNESS:
- err += sn9c102_i2c_write(cam, 0x06, ctrl->value);
+ case V4L2_CID_BLUE_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x06);
break;
- case V4L2_CID_SATURATION:
- err += sn9c102_i2c_write(cam, 0x03, ctrl->value << 4);
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x05);
break;
- case V4L2_CID_HUE:
- err += ctrl->value ? sn9c102_i2c_write(cam, 0x04,
- (ctrl->value-1) | 0x20)
- : sn9c102_i2c_write(cam, 0x04, 0x00);
+ case V4L2_CID_GAIN:
+ err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
break;
case V4L2_CID_DO_WHITE_BALANCE:
err += sn9c102_i2c_write(cam, 0x0c, ctrl->value);
@@ -109,23 +223,15 @@ static int ov7630_set_ctrl(struct sn9c102_device* cam,
case V4L2_CID_WHITENESS:
err += sn9c102_i2c_write(cam, 0x0d, ctrl->value);
break;
- case V4L2_CID_AUTO_WHITE_BALANCE:
- err += sn9c102_i2c_write(cam, 0x12, (ctrl->value << 2) | 0x78);
- break;
case V4L2_CID_AUTOGAIN:
- err += sn9c102_i2c_write(cam, 0x13, ctrl->value);
+ err += sn9c102_i2c_write(cam, 0x13, ctrl->value |
+ (ctrl->value << 1));
break;
case V4L2_CID_VFLIP:
err += sn9c102_i2c_write(cam, 0x75, 0x0e | (ctrl->value << 7));
break;
- case V4L2_CID_BLACK_LEVEL:
- err += sn9c102_i2c_write(cam, 0x25, ctrl->value);
- break;
- case SN9C102_V4L2_CID_BRIGHT_LEVEL:
- err += sn9c102_i2c_write(cam, 0x24, ctrl->value);
- break;
case SN9C102_V4L2_CID_GAMMA:
- err += sn9c102_i2c_write(cam, 0x14, (ctrl->value << 2) | 0x80);
+ err += sn9c102_i2c_write(cam, 0x14, ctrl->value << 2);
break;
case SN9C102_V4L2_CID_BAND_FILTER:
err += sn9c102_i2c_write(cam, 0x2d, ctrl->value << 2);
@@ -141,10 +247,12 @@ static int ov7630_set_ctrl(struct sn9c102_device* cam,
static int ov7630_set_crop(struct sn9c102_device* cam,
const struct v4l2_rect* rect)
{
- struct sn9c102_sensor* s = &ov7630;
+ struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
int err = 0;
- u8 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
+ 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;
@@ -168,7 +276,8 @@ static int ov7630_set_pix_format(struct sn9c102_device* cam,
static struct sn9c102_sensor ov7630 = {
.name = "OV7630",
.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
- .sysfs_ops = SN9C102_I2C_WRITE,
+ .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102 | BRIDGE_SN9C103,
+ .sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
.frequency = SN9C102_I2C_100KHZ,
.interface = SN9C102_I2C_2WIRES,
.i2c_slave_id = 0x21,
@@ -185,73 +294,23 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
{
- .id = V4L2_CID_HUE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "hue",
- .minimum = 0x00,
- .maximum = 0x1f+1,
- .step = 0x01,
- .default_value = 0x00,
- .flags = 0,
- },
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "saturation",
- .minimum = 0x00,
- .maximum = 0x0f,
- .step = 0x01,
- .default_value = 0x08,
- .flags = 0,
- },
- {
- .id = V4L2_CID_CONTRAST,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "contrast",
- .minimum = 0x00,
- .maximum = 0x1f+1,
- .step = 0x01,
- .default_value = 0x00,
- .flags = 0,
- },
- {
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "exposure",
- .minimum = 0x000,
- .maximum = 0x3ff,
- .step = 0x001,
- .default_value = 0x83<<2,
- .flags = 0,
- },
- {
- .id = V4L2_CID_RED_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "red balance",
- .minimum = 0x00,
- .maximum = 0xff,
- .step = 0x01,
- .default_value = 0x3a,
- .flags = 0,
- },
- {
- .id = V4L2_CID_BLUE_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "blue balance",
.minimum = 0x00,
.maximum = 0xff,
.step = 0x01,
- .default_value = 0x77,
+ .default_value = 0x60,
.flags = 0,
},
{
- .id = V4L2_CID_BRIGHTNESS,
+ .id = V4L2_CID_WHITENESS,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "brightness",
+ .name = "white balance background: red",
.minimum = 0x00,
- .maximum = 0xff,
+ .maximum = 0x3f,
.step = 0x01,
- .default_value = 0xa0,
+ .default_value = 0x20,
.flags = 0,
},
{
@@ -265,31 +324,31 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
{
- .id = V4L2_CID_WHITENESS,
+ .id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "white balance background: red",
+ .name = "red balance",
.minimum = 0x00,
- .maximum = 0x3f,
+ .maximum = 0x7f,
.step = 0x01,
.default_value = 0x20,
.flags = 0,
},
{
- .id = V4L2_CID_AUTO_WHITE_BALANCE,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "auto white balance",
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
.minimum = 0x00,
- .maximum = 0x01,
+ .maximum = 0x7f,
.step = 0x01,
- .default_value = 0x01,
+ .default_value = 0x20,
.flags = 0,
},
{
.id = V4L2_CID_AUTOGAIN,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "gain & exposure mode",
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto adjust",
.minimum = 0x00,
- .maximum = 0x03,
+ .maximum = 0x01,
.step = 0x01,
.default_value = 0x00,
.flags = 0,
@@ -305,23 +364,13 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
{
- .id = V4L2_CID_BLACK_LEVEL,
+ .id = SN9C102_V4L2_CID_GREEN_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
- .name = "black pixel ratio",
- .minimum = 0x01,
- .maximum = 0x9a,
- .step = 0x01,
- .default_value = 0x8a,
- .flags = 0,
- },
- {
- .id = SN9C102_V4L2_CID_BRIGHT_LEVEL,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "bright pixel ratio",
- .minimum = 0x01,
- .maximum = 0x9a,
+ .name = "green balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
.step = 0x01,
- .default_value = 0x10,
+ .default_value = 0x20,
.flags = 0,
},
{
@@ -345,6 +394,7 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
},
+ .get_ctrl = &ov7630_get_ctrl,
.set_ctrl = &ov7630_set_ctrl,
.cropcap = {
.bounds = {
@@ -364,7 +414,7 @@ static struct sn9c102_sensor ov7630 = {
.pix_format = {
.width = 640,
.height = 480,
- .pixelformat = V4L2_PIX_FMT_SBGGR8,
+ .pixelformat = V4L2_PIX_FMT_SN9C10X,
.priv = 8,
},
.set_pix_format = &ov7630_set_pix_format
@@ -373,28 +423,36 @@ static struct sn9c102_sensor ov7630 = {
int sn9c102_probe_ov7630(struct sn9c102_device* cam)
{
- const struct usb_device_id ov7630_id_table[] = {
- { USB_DEVICE(0x0c45, 0x602c), },
- { USB_DEVICE(0x0c45, 0x602d), },
- { USB_DEVICE(0x0c45, 0x608f), },
- { USB_DEVICE(0x0c45, 0x60b0), },
- { }
- };
- int err = 0;
-
- if (!sn9c102_match_id(cam, ov7630_id_table))
- return -ENODEV;
+ int pid, ver, err = 0;
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
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;
+ break;
+ case BRIDGE_SN9C103: /* do _not_ change anything! */
+ err += sn9c102_write_reg(cam, 0x09, 0x01);
+ err += sn9c102_write_reg(cam, 0x42, 0x01);
+ err += sn9c102_write_reg(cam, 0x28, 0x17);
+ err += sn9c102_write_reg(cam, 0x44, 0x02);
+ pid = sn9c102_i2c_try_read(cam, &ov7630, 0x0a);
+ if (err || pid < 0) { /* try a different initialization */
+ err = sn9c102_write_reg(cam, 0x01, 0x01);
+ err += sn9c102_write_reg(cam, 0x00, 0x01);
+ }
+ break;
+ default:
+ break;
+ }
- err += sn9c102_i2c_try_write(cam, &ov7630, 0x0b, 0);
- if (err)
+ pid = sn9c102_i2c_try_read(cam, &ov7630, 0x0a);
+ ver = sn9c102_i2c_try_read(cam, &ov7630, 0x0b);
+ if (err || pid < 0 || ver < 0)
+ return -EIO;
+ if (pid != 0x76 || ver != 0x31)
return -ENODEV;
-
sn9c102_attach_sensor(cam, &ov7630);
return 0;
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