Add I2C registration of the Zilog Z8F0811 IR microcontroller for either
lirc_zilog or ir-kbd-i2c to use. This is a required step in removing
lirc_zilog's use of the deprecated struct i2c_adapter.id field.
Signed-off-by: Andy Walls <awalls@xxxxxxxxxxxxxxxx>
---
drivers/media/video/hdpvr/hdpvr-core.c | 5 +++
drivers/media/video/hdpvr/hdpvr-i2c.c | 53 ++++++++++++++++++++++++++++++++
drivers/media/video/hdpvr/hdpvr.h | 6 +++
3 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
index b70d6af..f7d1ee5 100644
--- a/drivers/media/video/hdpvr/hdpvr-core.c
+++ b/drivers/media/video/hdpvr/hdpvr-core.c
@@ -385,6 +385,11 @@ static int hdpvr_probe(struct usb_interface *interface,
v4l2_err(&dev->v4l2_dev, "registering i2c adapter failed\n");
goto error;
}
+
+ /* until i2c is working properly */
+ retval = 0; /* hdpvr_register_i2c_ir(dev); */
+ if (retval < 0)
+ v4l2_err(&dev->v4l2_dev, "registering i2c IR devices failed\n");
#endif /* CONFIG_I2C */
/* let the user know what node this device is now attached to */
diff --git a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c
index 409de11..24966aa 100644
--- a/drivers/media/video/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/video/hdpvr/hdpvr-i2c.c
@@ -4,6 +4,9 @@
*
* Copyright (C) 2008 Janne Grunau (j@xxxxxxxxxx)
*
+ * IR device registration code is
+ * Copyright (C) 2010 Andy Walls <awalls@xxxxxxxxxxxxxxxx>
+ *
* 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, version 2.
@@ -22,6 +25,56 @@
#define REQTYPE_I2C_WRITE 0xb0
#define REQTYPE_I2C_WRITE_STATT 0xd0
+#define Z8F0811_IR_TX_I2C_ADDR 0x70
+#define Z8F0811_IR_RX_I2C_ADDR 0x71
+
+static const u8 ir_i2c_addrs[] = {
+ Z8F0811_IR_TX_I2C_ADDR,
+ Z8F0811_IR_RX_I2C_ADDR,
+};
+
+static const char * const ir_devicenames[] = {
+ "ir_tx_z8f0811_hdpvr",
+ "ir_rx_z8f0811_hdpvr",
+};
+
+static int hdpvr_new_i2c_ir(struct hdpvr_device *dev, struct i2c_adapter *adap,
+ const char *type, u8 addr)
+{
+ struct i2c_board_info info;
+ struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data;
+ unsigned short addr_list[2] = { addr, I2C_CLIENT_END };
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, type, I2C_NAME_SIZE);
+
+ /* Our default information for ir-kbd-i2c.c to use */
+ switch (addr) {
+ case Z8F0811_IR_RX_I2C_ADDR:
+ init_data->ir_codes = RC_MAP_HAUPPAUGE_NEW;
+ init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR;
+ init_data->type = RC_TYPE_RC5;
+ init_data->name = "HD PVR";
+ info.platform_data = init_data;
+ break;
+ }
+
+ return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+ -1 : 0;
+}
+
+int hdpvr_register_i2c_ir(struct hdpvr_device *dev)
+{
+ int i;
+ int ret = 0;
+
+ for (i = 0; i < ARRAY_SIZE(ir_i2c_addrs); i++)
+ ret += hdpvr_new_i2c_ir(dev, dev->i2c_adapter,
+ ir_devicenames[i], ir_i2c_addrs[i]);
+
+ return ret;
+}
+
static int hdpvr_i2c_read(struct hdpvr_device *dev, unsigned char addr,
char *data, int len)
{
diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h
index 5efc963..37f1e4c 100644
--- a/drivers/media/video/hdpvr/hdpvr.h
+++ b/drivers/media/video/hdpvr/hdpvr.h
@@ -16,6 +16,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
+#include <media/ir-kbd-i2c.h>
#define HDPVR_MAJOR_VERSION 0
#define HDPVR_MINOR_VERSION 2
@@ -109,6 +110,9 @@ struct hdpvr_device {
/* I2C lock */
struct mutex i2c_mutex;
+ /* For passing data to ir-kbd-i2c */
+ struct IR_i2c_init_data ir_i2c_init_data;
+
/* usb control transfer buffer and lock */
struct mutex usbc_mutex;
u8 *usbc_buf;
@@ -306,6 +310,8 @@ int hdpvr_cancel_queue(struct hdpvr_device *dev);
/* i2c adapter registration */
int hdpvr_register_i2c_adapter(struct hdpvr_device *dev);
+int hdpvr_register_i2c_ir(struct hdpvr_device *dev);
+
/*========================================================================*/
/* buffer management */
int hdpvr_free_buffers(struct hdpvr_device *dev);
--
1.7.2.1
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