tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/types.h>
28#include <linux/i2c.h>
29
30struct drxd_config {
31 u8 index;
32
33 u8 pll_address;
34 u8 pll_type;
35#define DRXD_PLL_NONE 0
36#define DRXD_PLL_DTT7520X 1
37#define DRXD_PLL_MT3X0823 2
38
39 u32 clock;
40 u8 insert_rs_byte;
41
42 u8 demod_address;
43 u8 demoda_address;
44 u8 demod_revision;
45
46 /* If the tuner is not behind an i2c gate, be sure to flip this bit
47 or else the i2c bus could get wedged */
48 u8 disable_i2c_gate_ctrl;
49
50 u32 IF;
51 s16(*osc_deviation) (void *priv, s16 dev, int flag);
52};
53
54#if defined(CONFIG_DVB_DRXD) || \
55 (defined(CONFIG_DVB_DRXD_MODULE) && defined(MODULE))
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
72extern int drxd_config_i2c(struct dvb_frontend *, int);
73#endif