[go: nahoru, domu]
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
25enum stv090x_demodulator {
26	STV090x_DEMODULATOR_0 = 1,
27	STV090x_DEMODULATOR_1
28};
29
30enum stv090x_device {
31	STV0903	=  0,
32	STV0900,
33};
34
35enum stv090x_mode {
36	STV090x_DUAL = 0,
37	STV090x_SINGLE
38};
39
40enum stv090x_tsmode {
41	STV090x_TSMODE_SERIAL_PUNCTURED	= 1,
42	STV090x_TSMODE_SERIAL_CONTINUOUS,
43	STV090x_TSMODE_PARALLEL_PUNCTURED,
44	STV090x_TSMODE_DVBCI
45};
46
47enum stv090x_clkmode {
48	STV090x_CLK_INT = 0, /* Clk i/p = CLKI */
49	STV090x_CLK_EXT = 2 /* Clk i/p = XTALI */
50};
51
52enum 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
63enum stv090x_adc_range {
64	STV090x_ADC_2Vpp	= 0,
65	STV090x_ADC_1Vpp	= 1
66};
67
68struct 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
106#if IS_ENABLED(CONFIG_DVB_STV090x)
107
108extern struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
109					   struct i2c_adapter *i2c,
110					   enum stv090x_demodulator demod);
111
112/* dir = 0 -> output, dir = 1 -> input/open-drain */
113extern int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
114		u8 dir, u8 value, u8 xor_value);
115
116#else
117
118static 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
126static inline int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
127		u8 opd, u8 value, u8 xor_value)
128{
129	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
130	return -ENODEV;
131}
132#endif /* CONFIG_DVB_STV090x */
133
134#endif /* __STV090x_H */
135