1/*
2 * HDIC HD29L2 DMB-TH demodulator driver
3 *
4 * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D
5 *
6 * Author: Antti Palosaari <crope@iki.fi>
7 *
8 *    This program is free software; you can redistribute it and/or modify
9 *    it under the terms of the GNU General Public License as published by
10 *    the Free Software Foundation; either version 2 of the License, or
11 *    (at your option) any later version.
12 *
13 *    This program is distributed in the hope that it will be useful,
14 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *    GNU General Public License for more details.
17 *
18 *    You should have received a copy of the GNU General Public License
19 *    along with this program; if not, write to the Free Software
20 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23#ifndef HD29L2_H
24#define HD29L2_H
25
26#include <linux/kconfig.h>
27#include <linux/dvb/frontend.h>
28
29struct hd29l2_config {
30	/*
31	 * demodulator I2C address
32	 */
33	u8 i2c_addr;
34
35	/*
36	 * tuner I2C address
37	 * only needed when tuner is behind demod I2C-gate
38	 */
39	u8 tuner_i2c_addr;
40
41	/*
42	 * TS settings
43	 */
44#define HD29L2_TS_SERIAL            0x00
45#define HD29L2_TS_PARALLEL          0x80
46#define HD29L2_TS_CLK_NORMAL        0x40
47#define HD29L2_TS_CLK_INVERTED      0x00
48#define HD29L2_TS_CLK_GATED         0x20
49#define HD29L2_TS_CLK_FREE          0x00
50	u8 ts_mode;
51};
52
53
54#if IS_ENABLED(CONFIG_DVB_HD29L2)
55extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config,
56	struct i2c_adapter *i2c);
57#else
58static inline struct dvb_frontend *hd29l2_attach(
59const struct hd29l2_config *config, struct i2c_adapter *i2c)
60{
61	pr_warn("%s: driver disabled by Kconfig\n", __func__);
62	return NULL;
63}
64#endif
65
66#endif /* HD29L2_H */
67