linux/drivers/media/usb/hdpvr/hdpvr-i2c.c

// SPDX-License-Identifier: GPL-2.0-only

/*
 * Hauppauge HD PVR USB driver
 *
 * Copyright (C) 2008      Janne Grunau ([email protected])
 *
 * IR device registration code is
 * Copyright (C) 2010	Andy Walls <[email protected]>
 */

#if IS_ENABLED(CONFIG_I2C)

#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/export.h>

#include "hdpvr.h"

#define CTRL_READ_REQUEST …
#define CTRL_WRITE_REQUEST …

#define REQTYPE_I2C_READ …
#define REQTYPE_I2C_WRITE …
#define REQTYPE_I2C_WRITE_STATT …

#define Z8F0811_IR_TX_I2C_ADDR …
#define Z8F0811_IR_RX_I2C_ADDR …


struct i2c_client *hdpvr_register_ir_i2c(struct hdpvr_device *dev)
{ … }

static int hdpvr_i2c_read(struct hdpvr_device *dev, int bus,
			  unsigned char addr, char *wdata, int wlen,
			  char *data, int len)
{ … }

static int hdpvr_i2c_write(struct hdpvr_device *dev, int bus,
			   unsigned char addr, char *data, int len)
{ … }

static int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs,
			  int num)
{ … }

static u32 hdpvr_functionality(struct i2c_adapter *adapter)
{ … }

static const struct i2c_algorithm hdpvr_algo = …;

static const struct i2c_adapter hdpvr_i2c_adapter_template = …;

static int hdpvr_activate_ir(struct hdpvr_device *dev)
{ … }

int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
{ … }

#endif