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kernel/hdpvr-ir-enable.patch

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diff -Naurp a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
--- a/drivers/media/video/hdpvr/hdpvr-core.c 2010-07-06 17:36:44.000000000 -0400
+++ b/drivers/media/video/hdpvr/hdpvr-core.c 2010-07-06 17:38:13.000000000 -0400
@@ -363,9 +363,8 @@ static int hdpvr_probe(struct usb_interf
goto error;
}
-#ifdef CONFIG_I2C
- /* until i2c is working properly */
- retval = 0; /* hdpvr_register_i2c_adapter(dev); */
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ retval = hdpvr_register_i2c_adapter(dev);
if (retval < 0) {
v4l2_err(&dev->v4l2_dev, "registering i2c adapter failed\n");
goto error;
@@ -411,12 +410,9 @@ static void hdpvr_disconnect(struct usb_
mutex_unlock(&dev->io_mutex);
/* deregister I2C adapter */
-#ifdef CONFIG_I2C
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
mutex_lock(&dev->i2c_mutex);
- if (dev->i2c_adapter)
- i2c_del_adapter(dev->i2c_adapter);
- kfree(dev->i2c_adapter);
- dev->i2c_adapter = NULL;
+ i2c_del_adapter(&dev->i2c_adapter);
mutex_unlock(&dev->i2c_mutex);
#endif /* CONFIG_I2C */
diff -Naurp a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h
--- a/drivers/media/video/hdpvr/hdpvr.h 2010-02-24 13:52:17.000000000 -0500
+++ b/drivers/media/video/hdpvr/hdpvr.h 2010-07-06 17:42:20.000000000 -0400
@@ -101,7 +101,7 @@ struct hdpvr_device {
struct work_struct worker;
/* I2C adapter */
- struct i2c_adapter *i2c_adapter;
+ struct i2c_adapter i2c_adapter;
/* I2C lock */
struct mutex i2c_mutex;
diff -Naurp a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c
--- a/drivers/media/video/hdpvr/hdpvr-i2c.c 2010-07-06 17:36:51.000000000 -0400
+++ b/drivers/media/video/hdpvr/hdpvr-i2c.c 2010-07-06 17:45:50.000000000 -0400
@@ -10,6 +10,8 @@
*
*/
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+
#include <linux/i2c.h>
#include "hdpvr.h"
@@ -19,10 +21,13 @@
#define REQTYPE_I2C_READ 0xb1
#define REQTYPE_I2C_WRITE 0xb0
-#define REQTYPE_I2C_WRITE_STATT 0xd0
+#define REQTYPE_I2C_WRITE_STAT 0xd0
+
+#define HDPVR_HW_Z8F0811_IR_TX_I2C_ADDR 0x70
+#define HDPVR_HW_Z8F0811_IR_RX_I2C_ADDR 0x71
static int hdpvr_i2c_read(struct hdpvr_device *dev, unsigned char addr,
- char *data, int len)
+ char *data, int len, int bus)
{
int ret;
char *buf = kmalloc(len, GFP_KERNEL);
@@ -32,7 +37,7 @@ static int hdpvr_i2c_read(struct hdpvr_d
ret = usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
REQTYPE_I2C_READ, CTRL_READ_REQUEST,
- 0x100|addr, 0, buf, len, 1000);
+ bus<<8 | addr, 0, buf, len, 1000);
if (ret == len) {
memcpy(data, buf, len);
@@ -46,7 +51,7 @@ static int hdpvr_i2c_read(struct hdpvr_d
}
static int hdpvr_i2c_write(struct hdpvr_device *dev, unsigned char addr,
- char *data, int len)
+ char *data, int len, int bus)
{
int ret;
char *buf = kmalloc(len, GFP_KERNEL);
@@ -57,17 +62,17 @@ static int hdpvr_i2c_write(struct hdpvr_
ret = usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
- 0x100|addr, 0, buf, len, 1000);
+ bus<<8 | addr, 0, buf, len, 1000);
if (ret < 0)
goto error;
ret = usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
- REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST,
+ REQTYPE_I2C_WRITE_STAT, CTRL_READ_REQUEST,
0, 0, buf, 2, 1000);
- if (ret == 2)
+ if (ret == 2 && buf[1] == (len - 1))
ret = 0;
else if (ret >= 0)
ret = -EIO;
@@ -93,10 +98,10 @@ static int hdpvr_transfer(struct i2c_ada
if (msgs[i].flags & I2C_M_RD)
retval = hdpvr_i2c_read(dev, addr, msgs[i].buf,
- msgs[i].len);
+ msgs[i].len, 1);
else
retval = hdpvr_i2c_write(dev, addr, msgs[i].buf,
- msgs[i].len);
+ msgs[i].len, 1);
}
mutex_unlock(&dev->i2c_mutex);
@@ -114,31 +119,61 @@ static struct i2c_algorithm hdpvr_algo =
.functionality = hdpvr_functionality,
};
+static struct i2c_adapter hdpvr_i2c_adap_template = {
+ .name = "Hauppauge HD PVR I2C",
+ .owner = THIS_MODULE,
+ .id = I2C_HW_B_HDPVR,
+ .algo = &hdpvr_algo,
+ .algo_data = NULL,
+ .class = I2C_CLASS_TV_ANALOG,
+};
+
+static struct i2c_board_info hdpvr_i2c_board_info = {
+ I2C_BOARD_INFO("ir_tx_z8f0811_haup", HDPVR_HW_Z8F0811_IR_TX_I2C_ADDR),
+ I2C_BOARD_INFO("ir_rx_z8f0811_haup", HDPVR_HW_Z8F0811_IR_RX_I2C_ADDR),
+};
+
+static int hdpvr_activate_ir(struct hdpvr_device *dev)
+{
+ char buffer[8];
+
+ mutex_lock(&dev->i2c_mutex);
+
+ hdpvr_i2c_read(dev, 0x54, buffer, 1, 0);
+
+ buffer[0] = 0;
+ buffer[1] = 0x8;
+ hdpvr_i2c_write(dev, 0x54, buffer, 2, 1);
+
+ buffer[1] = 0x18;
+ hdpvr_i2c_write(dev, 0x54, buffer, 2, 1);
+
+ mutex_unlock(&dev->i2c_mutex);
+ return 0;
+}
+
+
int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
{
- struct i2c_adapter *i2c_adap;
int retval = -ENOMEM;
- i2c_adap = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
- if (i2c_adap == NULL)
+ hdpvr_activate_ir(dev);
+
+ memcpy(&dev->i2c_adapter, &hdpvr_i2c_adap_template,
+ sizeof(struct i2c_adapter));
+ dev->i2c_adapter.dev.parent = &dev->udev->dev;
+
+ i2c_set_adapdata(&dev->i2c_adapter, dev);
+
+ retval = i2c_add_adapter(&dev->i2c_adapter);
+
+ if (retval)
goto error;
- strlcpy(i2c_adap->name, "Hauppauge HD PVR I2C",
- sizeof(i2c_adap->name));
- i2c_adap->algo = &hdpvr_algo;
- i2c_adap->class = I2C_CLASS_TV_ANALOG;
- i2c_adap->owner = THIS_MODULE;
- i2c_adap->dev.parent = &dev->udev->dev;
-
- i2c_set_adapdata(i2c_adap, dev);
-
- retval = i2c_add_adapter(i2c_adap);
-
- if (!retval)
- dev->i2c_adapter = i2c_adap;
- else
- kfree(i2c_adap);
+ i2c_new_device(&dev->i2c_adapter, &hdpvr_i2c_board_info);
error:
return retval;
}
+
+#endif /* CONFIG_I2C */
diff -Naurp a/drivers/media/video/hdpvr/Makefile b/drivers/media/video/hdpvr/Makefile
--- a/drivers/media/video/hdpvr/Makefile 2010-07-06 17:36:38.000000000 -0400
+++ b/drivers/media/video/hdpvr/Makefile 2010-07-06 17:35:17.000000000 -0400
@@ -1,6 +1,4 @@
-hdpvr-objs := hdpvr-control.o hdpvr-core.o hdpvr-video.o
-
-hdpvr-$(CONFIG_I2C) += hdpvr-i2c.o
+hdpvr-objs := hdpvr-control.o hdpvr-core.o hdpvr-i2c.o hdpvr-video.o
obj-$(CONFIG_VIDEO_HDPVR) += hdpvr.o
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