1 /*
2 	STV0900/0903 Multistandard Broadcast Frontend driver
3 	Copyright (C) Manu Abraham <abraham.manu@gmail.com>
4 
5 	Copyright (C) ST Microelectronics
6 
7 	This program is free software; you can redistribute it and/or modify
8 	it under the terms of the GNU General Public License as published by
9 	the Free Software Foundation; either version 2 of the License, or
10 	(at your option) any later version.
11 
12 	This program is distributed in the hope that it will be useful,
13 	but WITHOUT ANY WARRANTY; without even the implied warranty of
14 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 	GNU General Public License for more details.
16 
17 	You should have received a copy of the GNU General Public License
18 	along with this program; if not, write to the Free Software
19 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21 
22 #ifndef __STV090x_H
23 #define __STV090x_H
24 
25 enum stv090x_demodulator {
26 	STV090x_DEMODULATOR_0 = 1,
27 	STV090x_DEMODULATOR_1
28 };
29 
30 enum stv090x_device {
31 	STV0903	=  0,
32 	STV0900,
33 };
34 
35 enum stv090x_mode {
36 	STV090x_DUAL = 0,
37 	STV090x_SINGLE
38 };
39 
40 enum stv090x_tsmode {
41 	STV090x_TSMODE_SERIAL_PUNCTURED	= 1,
42 	STV090x_TSMODE_SERIAL_CONTINUOUS,
43 	STV090x_TSMODE_PARALLEL_PUNCTURED,
44 	STV090x_TSMODE_DVBCI
45 };
46 
47 enum stv090x_clkmode {
48 	STV090x_CLK_INT = 0, /* Clk i/p = CLKI */
49 	STV090x_CLK_EXT = 2 /* Clk i/p = XTALI */
50 };
51 
52 enum stv090x_i2crpt {
53 	STV090x_RPTLEVEL_256	= 0,
54 	STV090x_RPTLEVEL_128	= 1,
55 	STV090x_RPTLEVEL_64	= 2,
56 	STV090x_RPTLEVEL_32	= 3,
57 	STV090x_RPTLEVEL_16	= 4,
58 	STV090x_RPTLEVEL_8	= 5,
59 	STV090x_RPTLEVEL_4	= 6,
60 	STV090x_RPTLEVEL_2	= 7,
61 };
62 
63 enum stv090x_adc_range {
64 	STV090x_ADC_2Vpp	= 0,
65 	STV090x_ADC_1Vpp	= 1
66 };
67 
68 struct stv090x_config {
69 	enum stv090x_device	device;
70 	enum stv090x_mode	demod_mode;
71 	enum stv090x_clkmode	clk_mode;
72 
73 	u32 xtal; /* default: 8000000 */
74 	u8 address; /* default: 0x68 */
75 
76 	u8 ts1_mode;
77 	u8 ts2_mode;
78 	u32 ts1_clk;
79 	u32 ts2_clk;
80 
81 	u8 ts1_tei : 1;
82 	u8 ts2_tei : 1;
83 
84 	enum stv090x_i2crpt	repeater_level;
85 
86 	u8			tuner_bbgain; /* default: 10db */
87 	enum stv090x_adc_range	adc1_range; /* default: 2Vpp */
88 	enum stv090x_adc_range	adc2_range; /* default: 2Vpp */
89 
90 	bool diseqc_envelope_mode;
91 
92 	int (*tuner_init)(struct dvb_frontend *fe);
93 	int (*tuner_sleep)(struct dvb_frontend *fe);
94 	int (*tuner_set_mode)(struct dvb_frontend *fe, enum tuner_mode mode);
95 	int (*tuner_set_frequency)(struct dvb_frontend *fe, u32 frequency);
96 	int (*tuner_get_frequency)(struct dvb_frontend *fe, u32 *frequency);
97 	int (*tuner_set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
98 	int (*tuner_get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
99 	int (*tuner_set_bbgain)(struct dvb_frontend *fe, u32 gain);
100 	int (*tuner_get_bbgain)(struct dvb_frontend *fe, u32 *gain);
101 	int (*tuner_set_refclk)(struct dvb_frontend *fe, u32 refclk);
102 	int (*tuner_get_status)(struct dvb_frontend *fe, u32 *status);
103 	void (*tuner_i2c_lock)(struct dvb_frontend *fe, int lock);
104 
105 	/* dir = 0 -> output, dir = 1 -> input/open-drain */
106 	int (*set_gpio)(struct dvb_frontend *fe, u8 gpio, u8 dir, u8 value,
107 			u8 xor_value);
108 };
109 
110 #if IS_ENABLED(CONFIG_DVB_STV090x)
111 
112 struct dvb_frontend *stv090x_attach(struct stv090x_config *config,
113 				    struct i2c_adapter *i2c,
114 				    enum stv090x_demodulator demod);
115 
116 #else
117 
118 static inline struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
119 						  struct i2c_adapter *i2c,
120 						  enum stv090x_demodulator demod)
121 {
122 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
123 	return NULL;
124 }
125 
126 #endif /* CONFIG_DVB_STV090x */
127 
128 #endif /* __STV090x_H */
129