1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
4 * LGS8913, LGS8GL5, LGS8G75
5 * experimental support LGS8G42, LGS8G52
6 *
7 * Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
8 * Copyright (C) 2008 Sirius International (Hong Kong) Limited
9 * Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
10 */
11
12 #ifndef LGS8913_PRIV_H
13 #define LGS8913_PRIV_H
14
15 struct lgs8gxx_state {
16 struct i2c_adapter *i2c;
17 /* configuration settings */
18 const struct lgs8gxx_config *config;
19 struct dvb_frontend frontend;
20 u16 curr_gi; /* current guard interval */
21 };
22
23 #define SC_MASK 0x1C /* Sub-Carrier Modulation Mask */
24 #define SC_QAM64 0x10 /* 64QAM modulation */
25 #define SC_QAM32 0x0C /* 32QAM modulation */
26 #define SC_QAM16 0x08 /* 16QAM modulation */
27 #define SC_QAM4NR 0x04 /* 4QAM-NR modulation */
28 #define SC_QAM4 0x00 /* 4QAM modulation */
29
30 #define LGS_FEC_MASK 0x03 /* FEC Rate Mask */
31 #define LGS_FEC_0_4 0x00 /* FEC Rate 0.4 */
32 #define LGS_FEC_0_6 0x01 /* FEC Rate 0.6 */
33 #define LGS_FEC_0_8 0x02 /* FEC Rate 0.8 */
34
35 #define TIM_MASK 0x20 /* Time Interleave Length Mask */
36 #define TIM_LONG 0x20 /* Time Interleave Length = 720 */
37 #define TIM_MIDDLE 0x00 /* Time Interleave Length = 240 */
38
39 #define CF_MASK 0x80 /* Control Frame Mask */
40 #define CF_EN 0x80 /* Control Frame On */
41
42 #define GI_MASK 0x03 /* Guard Interval Mask */
43 #define GI_420 0x00 /* 1/9 Guard Interval */
44 #define GI_595 0x01 /* */
45 #define GI_945 0x02 /* 1/4 Guard Interval */
46
47
48 #define TS_PARALLEL 0x00 /* Parallel TS Output a.k.a. SPI */
49 #define TS_SERIAL 0x01 /* Serial TS Output a.k.a. SSI */
50 #define TS_CLK_NORMAL 0x00 /* MPEG Clock Normal */
51 #define TS_CLK_INVERTED 0x02 /* MPEG Clock Inverted */
52 #define TS_CLK_GATED 0x00 /* MPEG clock gated */
53 #define TS_CLK_FREERUN 0x04 /* MPEG clock free running*/
54
55
56 #endif