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-rw-r--r--drivers/media/common/tuners/xc4000.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/xc4000.h b/drivers/media/common/tuners/xc4000.h
new file mode 100644
index 000000000000..2bbbe9d6480b
--- /dev/null
+++ b/drivers/media/common/tuners/xc4000.h
@@ -0,0 +1,61 @@
1/*
2 * Driver for Xceive XC4000 "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 __XC4000_H__
23#define __XC4000_H__
24
25#include <linux/firmware.h>
26
27struct dvb_frontend;
28struct i2c_adapter;
29
30struct xc4000_config {
31 u8 i2c_address;
32 u32 if_khz;
33};
34
35/* xc4000 callback command */
36#define XC4000_TUNER_RESET 0
37
38/* For each bridge framework, when it attaches either analog or digital,
39 * it has to store a reference back to its _core equivalent structure,
40 * so that it can service the hardware by steering gpio's etc.
41 * Each bridge implementation is different so cast devptr accordingly.
42 * The xc4000 driver cares not for this value, other than ensuring
43 * it's passed back to a bridge during tuner_callback().
44 */
45
46#if defined(CONFIG_MEDIA_TUNER_XC4000) || \
47 (defined(CONFIG_MEDIA_TUNER_XC4000_MODULE) && defined(MODULE))
48extern struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
49 struct i2c_adapter *i2c,
50 struct xc4000_config *cfg);
51#else
52static inline struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe,
53 struct i2c_adapter *i2c,
54 struct xc4000_config *cfg)
55{
56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 return NULL;
58}
59#endif
60
61#endif