cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dibusb.h (3295B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/* Header file for all dibusb-based-receivers.
      3 *
      4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
      5 *
      6 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
      7 */
      8#ifndef _DVB_USB_DIBUSB_H_
      9#define _DVB_USB_DIBUSB_H_
     10
     11#ifndef DVB_USB_LOG_PREFIX
     12 #define DVB_USB_LOG_PREFIX "dibusb"
     13#endif
     14#include "dvb-usb.h"
     15
     16#include "dib3000.h"
     17#include "dib3000mc.h"
     18#include "mt2060.h"
     19
     20/*
     21 * protocol of all dibusb related devices
     22 */
     23
     24/*
     25 * bulk msg to/from endpoint 0x01
     26 *
     27 * general structure:
     28 * request_byte parameter_bytes
     29 */
     30
     31#define DIBUSB_REQ_START_READ			0x00
     32#define DIBUSB_REQ_START_DEMOD			0x01
     33
     34/*
     35 * i2c read
     36 * bulk write: 0x02 ((7bit i2c_addr << 1) | 0x01) register_bytes length_word
     37 * bulk read:  byte_buffer (length_word bytes)
     38 */
     39#define DIBUSB_REQ_I2C_READ			0x02
     40
     41/*
     42 * i2c write
     43 * bulk write: 0x03 (7bit i2c_addr << 1) register_bytes value_bytes
     44 */
     45#define DIBUSB_REQ_I2C_WRITE			0x03
     46
     47/*
     48 * polling the value of the remote control
     49 * bulk write: 0x04
     50 * bulk read:  byte_buffer (5 bytes)
     51 */
     52#define DIBUSB_REQ_POLL_REMOTE       0x04
     53
     54/* additional status values for Hauppauge Remote Control Protocol */
     55#define DIBUSB_RC_HAUPPAUGE_KEY_PRESSED	0x01
     56#define DIBUSB_RC_HAUPPAUGE_KEY_EMPTY	0x03
     57
     58/* streaming mode:
     59 * bulk write: 0x05 mode_byte
     60 *
     61 * mode_byte is mostly 0x00
     62 */
     63#define DIBUSB_REQ_SET_STREAMING_MODE	0x05
     64
     65/* interrupt the internal read loop, when blocking */
     66#define DIBUSB_REQ_INTR_READ			0x06
     67
     68/* io control
     69 * 0x07 cmd_byte param_bytes
     70 *
     71 * param_bytes can be up to 32 bytes
     72 *
     73 * cmd_byte function    parameter name
     74 * 0x00     power mode
     75 *                      0x00      sleep
     76 *                      0x01      wakeup
     77 *
     78 * 0x01     enable streaming
     79 * 0x02     disable streaming
     80 *
     81 *
     82 */
     83#define DIBUSB_REQ_SET_IOCTL			0x07
     84
     85/* IOCTL commands */
     86
     87/* change the power mode in firmware */
     88#define DIBUSB_IOCTL_CMD_POWER_MODE		0x00
     89#define DIBUSB_IOCTL_POWER_SLEEP			0x00
     90#define DIBUSB_IOCTL_POWER_WAKEUP			0x01
     91
     92/* modify streaming of the FX2 */
     93#define DIBUSB_IOCTL_CMD_ENABLE_STREAM	0x01
     94#define DIBUSB_IOCTL_CMD_DISABLE_STREAM	0x02
     95
     96/* Max transfer size done by I2C transfer functions */
     97#define MAX_XFER_SIZE  64
     98
     99struct dibusb_state {
    100	struct dib_fe_xfer_ops ops;
    101	int mt2060_present;
    102	u8 tuner_addr;
    103};
    104
    105struct dibusb_device_state {
    106	/* for RC5 remote control */
    107	int old_toggle;
    108	int last_repeat_count;
    109};
    110
    111extern struct i2c_algorithm dibusb_i2c_algo;
    112
    113extern int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *);
    114extern int dibusb_dib3000mc_tuner_attach (struct dvb_usb_adapter *);
    115
    116extern int dibusb_streaming_ctrl(struct dvb_usb_adapter *, int);
    117extern int dibusb_pid_filter(struct dvb_usb_adapter *, int, u16, int);
    118extern int dibusb_pid_filter_ctrl(struct dvb_usb_adapter *, int);
    119extern int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *, int);
    120
    121extern int dibusb_power_ctrl(struct dvb_usb_device *, int);
    122extern int dibusb2_0_power_ctrl(struct dvb_usb_device *, int);
    123
    124#define DEFAULT_RC_INTERVAL 150
    125//#define DEFAULT_RC_INTERVAL 100000
    126
    127extern struct rc_map_table rc_map_dibusb_table[];
    128extern int dibusb_rc_query(struct dvb_usb_device *, u32 *, int *);
    129extern int dibusb_read_eeprom_byte(struct dvb_usb_device *, u8, u8 *);
    130
    131#endif