xref: /kernel/linux/linux-5.10/drivers/media/usb/dvb-usb/dibusb.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Header file for all dibusb-based-receivers.
 *
 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
 *
 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
 */
#ifndef _DVB_USB_DIBUSB_H_
#define _DVB_USB_DIBUSB_H_

#ifndef DVB_USB_LOG_PREFIX
 #define DVB_USB_LOG_PREFIX "dibusb"
#endif
#include "dvb-usb.h"

#include "dib3000.h"
#include "dib3000mc.h"
#include "mt2060.h"

/*
 * protocol of all dibusb related devices
 */

/*
 * bulk msg to/from endpoint 0x01
 *
 * general structure:
 * request_byte parameter_bytes
 */

#define DIBUSB_REQ_START_READ			0x00
#define DIBUSB_REQ_START_DEMOD			0x01

/*
 * i2c read
 * bulk write: 0x02 ((7bit i2c_addr << 1) | 0x01) register_bytes length_word
 * bulk read:  byte_buffer (length_word bytes)
 */
#define DIBUSB_REQ_I2C_READ			0x02

/*
 * i2c write
 * bulk write: 0x03 (7bit i2c_addr << 1) register_bytes value_bytes
 */
#define DIBUSB_REQ_I2C_WRITE			0x03

/*
 * polling the value of the remote control
 * bulk write: 0x04
 * bulk read:  byte_buffer (5 bytes)
 */
#define DIBUSB_REQ_POLL_REMOTE       0x04

/* additional status values for Hauppauge Remote Control Protocol */
#define DIBUSB_RC_HAUPPAUGE_KEY_PRESSED	0x01
#define DIBUSB_RC_HAUPPAUGE_KEY_EMPTY	0x03

/* streaming mode:
 * bulk write: 0x05 mode_byte
 *
 * mode_byte is mostly 0x00
 */
#define DIBUSB_REQ_SET_STREAMING_MODE	0x05

/* interrupt the internal read loop, when blocking */
#define DIBUSB_REQ_INTR_READ			0x06

/* io control
 * 0x07 cmd_byte param_bytes
 *
 * param_bytes can be up to 32 bytes
 *
 * cmd_byte function    parameter name
 * 0x00     power mode
 *                      0x00      sleep
 *                      0x01      wakeup
 *
 * 0x01     enable streaming
 * 0x02     disable streaming
 *
 *
 */
#define DIBUSB_REQ_SET_IOCTL			0x07

/* IOCTL commands */

/* change the power mode in firmware */
#define DIBUSB_IOCTL_CMD_POWER_MODE		0x00
#define DIBUSB_IOCTL_POWER_SLEEP			0x00
#define DIBUSB_IOCTL_POWER_WAKEUP			0x01

/* modify streaming of the FX2 */
#define DIBUSB_IOCTL_CMD_ENABLE_STREAM	0x01
#define DIBUSB_IOCTL_CMD_DISABLE_STREAM	0x02

/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE  64

struct dibusb_state {
	struct dib_fe_xfer_ops ops;
	int mt2060_present;
	u8 tuner_addr;
};

struct dibusb_device_state {
	/* for RC5 remote control */
	int old_toggle;
	int last_repeat_count;
};

extern struct i2c_algorithm dibusb_i2c_algo;

extern int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *);
extern int dibusb_dib3000mc_tuner_attach (struct dvb_usb_adapter *);

extern int dibusb_streaming_ctrl(struct dvb_usb_adapter *, int);
extern int dibusb_pid_filter(struct dvb_usb_adapter *, int, u16, int);
extern int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *, int);
extern int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *, int);

extern int dibusb_power_ctrl(struct dvb_usb_device *, int);
extern int dibusb2_0_power_ctrl(struct dvb_usb_device *, int);

#define DEFAULT_RC_INTERVAL 150
//#define DEFAULT_RC_INTERVAL 100000

extern struct rc_map_table rc_map_dibusb_table[];
extern int dibusb_rc_query(struct dvb_usb_device *, u32 *, int *);
extern int dibusb_read_eeprom_byte(struct dvb_usb_device *, u8, u8 *);

#endif