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Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_ov7630.c')
-rw-r--r--drivers/media/video/sn9c102/sn9c102_ov7630.c381
1 files changed, 209 insertions, 172 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c
index 3da042021787..31b6080b0615 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 *
@@ -22,86 +22,180 @@
#include "sn9c102_sensor.h"
-static struct sn9c102_sensor ov7630;
-
-
static int ov7630_init(struct sn9c102_device* cam)
{
int err = 0;
- 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, 0x15, 0x34);
- err += sn9c102_i2c_write(cam, 0x16, 0x03);
- err += sn9c102_i2c_write(cam, 0x17, 0x1c);
- err += sn9c102_i2c_write(cam, 0x18, 0xbd);
- 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, 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, 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);
- 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);
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
+ err = sn9c102_write_const_regs(cam, {0x00, 0x14},
+ {0x60, 0x17}, {0x0f, 0x18},
+ {0x50, 0x19});
+
+ 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, 0x35);
+ err += sn9c102_i2c_write(cam, 0x16, 0x03);
+ err += sn9c102_i2c_write(cam, 0x17, 0x1c);
+ err += sn9c102_i2c_write(cam, 0x18, 0xbd);
+ 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, 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_const_regs(cam, {0x00, 0x02}, {0x00, 0x03},
+ {0x1a, 0x04}, {0x20, 0x05},
+ {0x20, 0x06}, {0x20, 0x07},
+ {0x03, 0x10}, {0x0a, 0x14},
+ {0x60, 0x17}, {0x0f, 0x18},
+ {0x50, 0x19}, {0x1d, 0x1a},
+ {0x10, 0x1b}, {0x02, 0x1c},
+ {0x03, 0x1d}, {0x0f, 0x1e},
+ {0x0c, 0x1f}, {0x00, 0x20},
+ {0x10, 0x21}, {0x20, 0x22},
+ {0x30, 0x23}, {0x40, 0x24},
+ {0x50, 0x25}, {0x60, 0x26},
+ {0x70, 0x27}, {0x80, 0x28},
+ {0x90, 0x29}, {0xa0, 0x2a},
+ {0xb0, 0x2b}, {0xc0, 0x2c},
+ {0xd0, 0x2d}, {0xe0, 0x2e},
+ {0xf0, 0x2f}, {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, 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;
+ 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_CONTRAST:
- err += ctrl->value ? sn9c102_i2c_write(cam, 0x05,
- (ctrl->value-1) | 0x20)
- : sn9c102_i2c_write(cam, 0x05, 0x00);
+ case V4L2_CID_DO_WHITE_BALANCE:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x0c)) < 0)
+ return -EIO;
+ ctrl->value &= 0x3f;
break;
- case V4L2_CID_BRIGHTNESS:
- err += sn9c102_i2c_write(cam, 0x06, ctrl->value);
+ case V4L2_CID_WHITENESS:
+ if ((ctrl->value = sn9c102_i2c_read(cam, 0x0d)) < 0)
+ return -EIO;
+ ctrl->value &= 0x3f;
break;
- case V4L2_CID_SATURATION:
- err += sn9c102_i2c_write(cam, 0x03, ctrl->value << 4);
+ 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 V4L2_CID_HUE:
- err += ctrl->value ? sn9c102_i2c_write(cam, 0x04,
- (ctrl->value-1) | 0x20)
- : sn9c102_i2c_write(cam, 0x04, 0x00);
+ 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_RED_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x07);
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x06);
+ break;
+ case SN9C102_V4L2_CID_GREEN_BALANCE:
+ err += sn9c102_write_reg(cam, ctrl->value, 0x05);
+ break;
+ 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 +203,15 @@ 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 +227,12 @@ 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 +256,8 @@ 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 +274,23 @@ 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 +304,31 @@ 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 +344,13 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
{
- .id = V4L2_CID_BLACK_LEVEL,
- .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,
+ .id = SN9C102_V4L2_CID_GREEN_BALANCE,
.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 +374,7 @@ static struct sn9c102_sensor ov7630 = {
.flags = 0,
},
},
+ .get_ctrl = &ov7630_get_ctrl,
.set_ctrl = &ov7630_set_ctrl,
.cropcap = {
.bounds = {
@@ -364,7 +394,7 @@ 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 +403,35 @@ 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;
+ int pid, ver, err = 0;
- if (!sn9c102_match_id(cam, ov7630_id_table))
- return -ENODEV;
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
+ err = sn9c102_write_const_regs(cam, {0x01, 0x01},
+ {0x00, 0x01}, {0x28, 0x17});
- 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_const_regs(cam, {0x09, 0x01},
+ {0x42, 0x01}, {0x28, 0x17},
+ {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;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.