1/*
2 * drxd.h: DRXD DVB-T demodulator driver
3 *
4 * Copyright (C) 2005-2007 Micronas
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 only, as published by the Free Software Foundation.
9 *
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 *
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., 51 Franklin Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA
21 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
22 */
23
24#ifndef _DRXD_H_
25#define _DRXD_H_
26
27#include <linux/kconfig.h>
28#include <linux/types.h>
29#include <linux/i2c.h>
30
31struct drxd_config {
32	u8 index;
33
34	u8 pll_address;
35	u8 pll_type;
36#define DRXD_PLL_NONE     0
37#define DRXD_PLL_DTT7520X 1
38#define DRXD_PLL_MT3X0823 2
39
40	u32 clock;
41	u8 insert_rs_byte;
42
43	u8 demod_address;
44	u8 demoda_address;
45	u8 demod_revision;
46
47	/* If the tuner is not behind an i2c gate, be sure to flip this bit
48	   or else the i2c bus could get wedged */
49	u8 disable_i2c_gate_ctrl;
50
51	u32 IF;
52	 s16(*osc_deviation) (void *priv, s16 dev, int flag);
53};
54
55#if IS_REACHABLE(CONFIG_DVB_DRXD)
56extern
57struct dvb_frontend *drxd_attach(const struct drxd_config *config,
58				 void *priv, struct i2c_adapter *i2c,
59				 struct device *dev);
60#else
61static inline
62struct dvb_frontend *drxd_attach(const struct drxd_config *config,
63				 void *priv, struct i2c_adapter *i2c,
64				 struct device *dev)
65{
66	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
67	       __func__);
68	return NULL;
69}
70#endif
71
72#endif
73