67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
|
|
* Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
|
|
* LGS8913, LGS8GL5, LGS8G75
|
|
* experimental support LGS8G42, LGS8G52
|
|
*
|
|
* Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
|
|
* Copyright (C) 2008 Sirius International (Hong Kong) Limited
|
|
* Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#ifndef LGS8913_PRIV_H
|
|
#define LGS8913_PRIV_H
|
|
|
|
struct lgs8gxx_state {
|
|
struct i2c_adapter *i2c;
|
|
/* configuration settings */
|
|
const struct lgs8gxx_config *config;
|
|
struct dvb_frontend frontend;
|
|
u16 curr_gi; /* current guard interval */
|
|
};
|
|
|
|
#define SC_MASK 0x1C /* Sub-Carrier Modulation Mask */
|
|
#define SC_QAM64 0x10 /* 64QAM modulation */
|
|
#define SC_QAM32 0x0C /* 32QAM modulation */
|
|
#define SC_QAM16 0x08 /* 16QAM modulation */
|
|
#define SC_QAM4NR 0x04 /* 4QAM-NR modulation */
|
|
#define SC_QAM4 0x00 /* 4QAM modulation */
|
|
|
|
#define LGS_FEC_MASK 0x03 /* FEC Rate Mask */
|
|
#define LGS_FEC_0_4 0x00 /* FEC Rate 0.4 */
|
|
#define LGS_FEC_0_6 0x01 /* FEC Rate 0.6 */
|
|
#define LGS_FEC_0_8 0x02 /* FEC Rate 0.8 */
|
|
|
|
#define TIM_MASK 0x20 /* Time Interleave Length Mask */
|
|
#define TIM_LONG 0x20 /* Time Interleave Length = 720 */
|
|
#define TIM_MIDDLE 0x00 /* Time Interleave Length = 240 */
|
|
|
|
#define CF_MASK 0x80 /* Control Frame Mask */
|
|
#define CF_EN 0x80 /* Control Frame On */
|
|
|
|
#define GI_MASK 0x03 /* Guard Interval Mask */
|
|
#define GI_420 0x00 /* 1/9 Guard Interval */
|
|
#define GI_595 0x01 /* */
|
|
#define GI_945 0x02 /* 1/4 Guard Interval */
|
|
|
|
|
|
#define TS_PARALLEL 0x00 /* Parallel TS Output a.k.a. SPI */
|
|
#define TS_SERIAL 0x01 /* Serial TS Output a.k.a. SSI */
|
|
#define TS_CLK_NORMAL 0x00 /* MPEG Clock Normal */
|
|
#define TS_CLK_INVERTED 0x02 /* MPEG Clock Inverted */
|
|
#define TS_CLK_GATED 0x00 /* MPEG clock gated */
|
|
#define TS_CLK_FREERUN 0x04 /* MPEG clock free running*/
|
|
|
|
|
|
#endif
|