mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-25 05:04:09 +08:00
577a7ad33a
Those documents don't really describe the driver API. Instead, they contain development-specific information. Yet, as the main index file describes the content of it as: "how specific kernel subsystems work from the point of view of a kernel developer" It seems to be the better fit. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/* Common header file of Linux driver for the WideView/ Yakumo/ Hama/
|
|
* Typhoon/ Yuan DVB-T USB2.0 receiver.
|
|
*
|
|
* 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_DTT200U_H_
|
|
#define _DVB_USB_DTT200U_H_
|
|
|
|
#define DVB_USB_LOG_PREFIX "dtt200u"
|
|
|
|
#include "dvb-usb.h"
|
|
|
|
extern int dvb_usb_dtt200u_debug;
|
|
#define deb_info(args...) dprintk(dvb_usb_dtt200u_debug,0x01,args)
|
|
#define deb_xfer(args...) dprintk(dvb_usb_dtt200u_debug,0x02,args)
|
|
|
|
/* guessed protocol description (reverse engineered):
|
|
* read
|
|
* 00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
|
|
* 88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
|
|
*/
|
|
|
|
#define GET_SPEED 0x00
|
|
#define GET_TUNE_STATUS 0x81
|
|
#define GET_RC_CODE 0x84
|
|
#define GET_CONFIGURATION 0x88
|
|
#define GET_AGC 0x89
|
|
#define GET_SNR 0x8a
|
|
#define GET_VIT_ERR_CNT 0x8c
|
|
#define GET_RS_ERR_CNT 0x8d
|
|
#define GET_RS_UNCOR_BLK_CNT 0x8e
|
|
|
|
/* write
|
|
* 01 - init
|
|
* 02 - frequency (divided by 250000)
|
|
* 03 - bandwidth
|
|
* 04 - pid table (index pid(7:0) pid(12:8))
|
|
* 05 - reset the pid table
|
|
* 08 - transfer switch
|
|
*/
|
|
|
|
#define SET_INIT 0x01
|
|
#define SET_RF_FREQ 0x02
|
|
#define SET_BANDWIDTH 0x03
|
|
#define SET_PID_FILTER 0x04
|
|
#define RESET_PID_FILTER 0x05
|
|
#define SET_STREAMING 0x08
|
|
|
|
extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
|
|
|
|
#endif
|