xref: /linux/drivers/media/usb/dvb-usb/dtt200u.h (revision 4b4193256c8d3bc3a5397b5cd9494c2ad386317d)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Common header file of Linux driver for the WideView/ Yakumo/ Hama/
3  * Typhoon/ Yuan DVB-T USB2.0 receiver.
4  *
5  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
6  *
7  * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
8  */
9 #ifndef _DVB_USB_DTT200U_H_
10 #define _DVB_USB_DTT200U_H_
11 
12 #define DVB_USB_LOG_PREFIX "dtt200u"
13 
14 #include "dvb-usb.h"
15 
16 extern int dvb_usb_dtt200u_debug;
17 #define deb_info(args...) dprintk(dvb_usb_dtt200u_debug,0x01,args)
18 #define deb_xfer(args...) dprintk(dvb_usb_dtt200u_debug,0x02,args)
19 
20 /* guessed protocol description (reverse engineered):
21  * read
22  *  00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
23  *  88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
24  */
25 
26 #define GET_SPEED		0x00
27 #define GET_TUNE_STATUS		0x81
28 #define GET_RC_CODE		0x84
29 #define GET_CONFIGURATION	0x88
30 #define GET_AGC			0x89
31 #define GET_SNR			0x8a
32 #define GET_VIT_ERR_CNT		0x8c
33 #define GET_RS_ERR_CNT		0x8d
34 #define GET_RS_UNCOR_BLK_CNT	0x8e
35 
36 /* write
37  *  01 - init
38  *  02 - frequency (divided by 250000)
39  *  03 - bandwidth
40  *  04 - pid table (index pid(7:0) pid(12:8))
41  *  05 - reset the pid table
42  *  08 - transfer switch
43  */
44 
45 #define SET_INIT		0x01
46 #define SET_RF_FREQ		0x02
47 #define SET_BANDWIDTH		0x03
48 #define SET_PID_FILTER		0x04
49 #define RESET_PID_FILTER	0x05
50 #define SET_STREAMING		0x08
51 
52 extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
53 
54 #endif
55