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
57