1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     Driver for ST STV0299 demodulator
4 
5     Copyright (C) 2001-2002 Convergence Integrated Media GmbH
6 	<ralph@convergence.de>,
7 	<holger@convergence.de>,
8 	<js@convergence.de>
9 
10 
11     Philips SU1278/SH
12 
13     Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>
14 
15 
16     LG TDQF-S001F
17 
18     Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
19 		     & Andreas Oberritter <obi@linuxtv.org>
20 
21 
22     Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
23 
24     Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:
25 
26     Support for Philips SU1278 on Technotrend hardware
27 
28     Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
29 
30 
31 */
32 
33 #ifndef STV0299_H
34 #define STV0299_H
35 
36 #include <linux/dvb/frontend.h>
37 #include <media/dvb_frontend.h>
38 
39 #define STV0299_LOCKOUTPUT_0  0
40 #define STV0299_LOCKOUTPUT_1  1
41 #define STV0299_LOCKOUTPUT_CF 2
42 #define STV0299_LOCKOUTPUT_LK 3
43 
44 #define STV0299_VOLT13_OP0 0
45 #define STV0299_VOLT13_OP1 1
46 
47 struct stv0299_config
48 {
49 	/* the demodulator's i2c address */
50 	u8 demod_address;
51 
52 	/* inittab - array of pairs of values.
53 	 * First of each pair is the register, second is the value.
54 	 * List should be terminated with an 0xff, 0xff pair.
55 	 */
56 	const u8* inittab;
57 
58 	/* master clock to use */
59 	u32 mclk;
60 
61 	/* does the inversion require inversion? */
62 	u8 invert:1;
63 
64 	/* Skip reinitialisation? */
65 	u8 skip_reinit:1;
66 
67 	/* LOCK OUTPUT setting */
68 	u8 lock_output:2;
69 
70 	/* Is 13v controlled by OP0 or OP1? */
71 	u8 volt13_op0_op1:1;
72 
73 	/* Turn-off OP0? */
74 	u8 op0_off:1;
75 
76 	/* minimum delay before retuning */
77 	int min_delay_ms;
78 
79 	/* Set the symbol rate */
80 	int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio);
81 
82 	/* Set device param to start dma */
83 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
84 };
85 
86 #if IS_REACHABLE(CONFIG_DVB_STV0299)
87 extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
88 					   struct i2c_adapter *i2c);
89 #else
stv0299_attach(const struct stv0299_config * config,struct i2c_adapter * i2c)90 static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
91 					   struct i2c_adapter *i2c)
92 {
93 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
94 	return NULL;
95 }
96 #endif // CONFIG_DVB_STV0299
97 
stv0299_writereg(struct dvb_frontend * fe,u8 reg,u8 val)98 static inline int stv0299_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
99 	int r = 0;
100 	u8 buf[] = {reg, val};
101 	if (fe->ops.write)
102 		r = fe->ops.write(fe, buf, 2);
103 	return r;
104 }
105 
106 #endif // STV0299_H
107