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-rw-r--r--drivers/media/common/tuners/xc5000.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
new file mode 100644
index 00000000000..e2957451b53
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+++ b/drivers/media/common/tuners/xc5000.h
@@ -0,0 +1,68 @@
1/*
2 * Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
3 *
4 * Copyright (c) 2007 Steven Toth <stoth@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 *
15 * GNU General Public License for more details.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22#ifndef __XC5000_H__
23#define __XC5000_H__
24
25#include <linux/firmware.h>
26
27struct dvb_frontend;
28struct i2c_adapter;
29
30struct xc5000_config {
31 u8 i2c_address;
32 u32 if_khz;
33 u8 radio_input;
34};
35
36/* xc5000 callback command */
37#define XC5000_TUNER_RESET 0
38
39/* Possible Radio inputs */
40#define XC5000_RADIO_NOT_CONFIGURED 0
41#define XC5000_RADIO_FM1 1
42#define XC5000_RADIO_FM2 2
43#define XC5000_RADIO_FM1_MONO 3
44
45/* For each bridge framework, when it attaches either analog or digital,
46 * it has to store a reference back to its _core equivalent structure,
47 * so that it can service the hardware by steering gpio's etc.
48 * Each bridge implementation is different so cast devptr accordingly.
49 * The xc5000 driver cares not for this value, other than ensuring
50 * it's passed back to a bridge during tuner_callback().
51 */
52
53#if defined(CONFIG_MEDIA_TUNER_XC5000) || \
54 (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE))
55extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
56 struct i2c_adapter *i2c,
57 const struct xc5000_config *cfg);
58#else
59static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
60 struct i2c_adapter *i2c,
61 const struct xc5000_config *cfg)
62{
63 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64 return NULL;
65}
66#endif
67
68#endif