1/*
2 *    Support for LG2160 - ATSC/MH
3 *
4 *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
5 *
6 *    This program is free software; you can redistribute it and/or modify
7 *    it under the terms of the GNU General Public License as published by
8 *    the Free Software Foundation; either version 2 of the License, or
9 *    (at your option) any later version.
10 *
11 *    This program is distributed in the hope that it will be useful,
12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *    GNU General Public License for more details.
15 *
16 *    You should have received a copy of the GNU General Public License
17 *    along with this program; if not, write to the Free Software
18 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 *
20 */
21
22#ifndef _LG2160_H_
23#define _LG2160_H_
24
25#include <linux/kconfig.h>
26#include <linux/i2c.h>
27#include "dvb_frontend.h"
28
29enum lg_chip_type {
30	LG2160 = 0,
31	LG2161 = 1,
32};
33
34#define LG2161_1019 LG2161
35#define LG2161_1040 LG2161
36
37enum lg2160_spi_clock {
38	LG2160_SPI_3_125_MHZ = 0,
39	LG2160_SPI_6_25_MHZ = 1,
40	LG2160_SPI_12_5_MHZ = 2,
41};
42
43#if 0
44enum lg2161_oif {
45	LG2161_OIF_EBI2_SLA  = 1,
46	LG2161_OIF_SDIO_SLA  = 2,
47	LG2161_OIF_SPI_SLA   = 3,
48	LG2161_OIF_SPI_MAS   = 4,
49	LG2161_OIF_SERIAL_TS = 7,
50};
51#endif
52
53struct lg2160_config {
54	u8 i2c_addr;
55
56	/* user defined IF frequency in KHz */
57	u16 if_khz;
58
59	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
60	unsigned int deny_i2c_rptr:1;
61
62	/* spectral inversion - 0:disabled 1:enabled */
63	unsigned int spectral_inversion:1;
64
65	unsigned int output_if;
66	enum lg2160_spi_clock spi_clock;
67	enum lg_chip_type lg_chip;
68};
69
70#if IS_REACHABLE(CONFIG_DVB_LG2160)
71extern
72struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
73				     struct i2c_adapter *i2c_adap);
74#else
75static inline
76struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
77				     struct i2c_adapter *i2c_adap)
78{
79	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
80	return NULL;
81}
82#endif /* CONFIG_DVB_LG2160 */
83
84#endif /* _LG2160_H_ */
85