linux/drivers/media/usb/dvb-usb/af9005.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* DVB USB compliant Linux driver for the Afatech 9005
 * USB1.1 DVB-T receiver.
 *
 * Copyright (C) 2007 Luca Olivetti ([email protected])
 *
 * Thanks to Afatech who kindly provided information.
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
 */
#include "af9005.h"

/* debug */
int dvb_usb_af9005_debug;
module_param_named(debug, dvb_usb_af9005_debug, int, 0644);
MODULE_PARM_DESC(…) …;
/* enable obnoxious led */
bool dvb_usb_af9005_led = …;
module_param_named(led, dvb_usb_af9005_led, bool, 0644);
MODULE_PARM_DESC(…) …;

/* eeprom dump */
static int dvb_usb_af9005_dump_eeprom;
module_param_named(dump_eeprom, dvb_usb_af9005_dump_eeprom, int, 0);
MODULE_PARM_DESC(…) …;

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

/* remote control decoder */
static int (*rc_decode) (struct dvb_usb_device *d, u8 *data, int len,
		u32 *event, int *state);
static void *rc_keys;
static int *rc_keys_size;

u8 regmask[8] = …;

struct af9005_device_state { … };

static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg,
			      int readwrite, int type, u8 * values, int len)
{ … }

int af9005_read_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 * value)
{ … }

int af9005_read_ofdm_registers(struct dvb_usb_device *d, u16 reg,
			       u8 * values, int len)
{ … }

int af9005_write_ofdm_register(struct dvb_usb_device *d, u16 reg, u8 value)
{ … }

int af9005_write_ofdm_registers(struct dvb_usb_device *d, u16 reg,
				u8 * values, int len)
{ … }

int af9005_read_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos,
			      u8 len, u8 * value)
{ … }

int af9005_write_register_bits(struct dvb_usb_device *d, u16 reg, u8 pos,
			       u8 len, u8 value)
{ … }

static int af9005_usb_read_tuner_registers(struct dvb_usb_device *d,
					   u16 reg, u8 * values, int len)
{ … }

static int af9005_usb_write_tuner_registers(struct dvb_usb_device *d,
					    u16 reg, u8 * values, int len)
{ … }

int af9005_write_tuner_registers(struct dvb_usb_device *d, u16 reg,
				 u8 * values, int len)
{ … }

int af9005_read_tuner_registers(struct dvb_usb_device *d, u16 reg, u8 addr,
				u8 * values, int len)
{ … }

static int af9005_i2c_write(struct dvb_usb_device *d, u8 i2caddr, u8 reg,
			    u8 * data, int len)
{ … }

static int af9005_i2c_read(struct dvb_usb_device *d, u8 i2caddr, u8 reg,
			   u8 * data, int len)
{ … }

static int af9005_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
			   int num)
{ … }

static u32 af9005_i2c_func(struct i2c_adapter *adapter)
{ … }

static struct i2c_algorithm af9005_i2c_algo = …;

int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf,
			int wlen, u8 * rbuf, int rlen)
{ … }

int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values,
		       int len)
{ … }

static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply,
			      u8 *buf, int size)
{ … }

static int af9005_download_firmware(struct usb_device *udev, const struct firmware *fw)
{ … }

int af9005_led_control(struct dvb_usb_device *d, int onoff)
{ … }

static int af9005_frontend_attach(struct dvb_usb_adapter *adap)
{ … }

static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state)
{ … }

static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff)
{ … }

static int af9005_pid_filter_control(struct dvb_usb_adapter *adap, int onoff)
{ … }

static int af9005_pid_filter(struct dvb_usb_adapter *adap, int index,
			     u16 pid, int onoff)
{ … }

static int af9005_identify_state(struct usb_device *udev,
				 const struct dvb_usb_device_properties *props,
				 const struct dvb_usb_device_description **desc,
				 int *cold)
{ … }

static struct dvb_usb_device_properties af9005_properties;

static int af9005_usb_probe(struct usb_interface *intf,
			    const struct usb_device_id *id)
{ … }

enum { … };

static struct usb_device_id af9005_usb_table[] = …;

MODULE_DEVICE_TABLE(usb, af9005_usb_table);

static struct dvb_usb_device_properties af9005_properties = …;

/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver af9005_usb_driver = …;

/* module stuff */
static int __init af9005_usb_module_init(void)
{ … }

static void __exit af9005_usb_module_exit(void)
{ … }

module_init(…) …;
module_exit(af9005_usb_module_exit);

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_VERSION(…) …;
MODULE_LICENSE(…) …;