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/i2c.h>
26#include "dvb_frontend.h"
27
28enum lg_chip_type {
29	LG2160 = 0,
30	LG2161 = 1,
31};
32
33#define LG2161_1019 LG2161
34#define LG2161_1040 LG2161
35
36enum lg2160_spi_clock {
37	LG2160_SPI_3_125_MHZ = 0,
38	LG2160_SPI_6_25_MHZ = 1,
39	LG2160_SPI_12_5_MHZ = 2,
40};
41
42#if 0
43enum lg2161_oif {
44	LG2161_OIF_EBI2_SLA  = 1,
45	LG2161_OIF_SDIO_SLA  = 2,
46	LG2161_OIF_SPI_SLA   = 3,
47	LG2161_OIF_SPI_MAS   = 4,
48	LG2161_OIF_SERIAL_TS = 7,
49};
50#endif
51
52struct lg2160_config {
53	u8 i2c_addr;
54
55	/* user defined IF frequency in KHz */
56	u16 if_khz;
57
58	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
59	unsigned int deny_i2c_rptr:1;
60
61	/* spectral inversion - 0:disabled 1:enabled */
62	unsigned int spectral_inversion:1;
63
64	unsigned int output_if;
65	enum lg2160_spi_clock spi_clock;
66	enum lg_chip_type lg_chip;
67};
68
69#if IS_REACHABLE(CONFIG_DVB_LG2160)
70extern
71struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
72				     struct i2c_adapter *i2c_adap);
73#else
74static inline
75struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
76				     struct i2c_adapter *i2c_adap)
77{
78	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
79	return NULL;
80}
81#endif /* CONFIG_DVB_LG2160 */
82
83#endif /* _LG2160_H_ */