PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / media / dvb-frontends / cx24123.h
blob102e70d17c43d8f30f1d03ec37b6851016e2ccfb
1 /*
2 Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver
4 Copyright (C) 2005 Steven Toth <stoth@linuxtv.org>
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.
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.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef CX24123_H
22 #define CX24123_H
24 #include <linux/kconfig.h>
25 #include <linux/dvb/frontend.h>
27 struct cx24123_config {
28 /* the demodulator's i2c address */
29 u8 demod_address;
31 /* Need to set device param for start_dma */
32 int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
34 /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
35 int lnb_polarity;
37 /* this device has another tuner */
38 u8 dont_use_pll;
39 void (*agc_callback) (struct dvb_frontend *);
42 #if IS_ENABLED(CONFIG_DVB_CX24123)
43 extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
44 struct i2c_adapter *i2c);
45 extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
46 #else
47 static inline struct dvb_frontend *cx24123_attach(
48 const struct cx24123_config *config, struct i2c_adapter *i2c)
50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
51 return NULL;
53 static struct i2c_adapter *
54 cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe)
56 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 return NULL;
59 #endif
61 #endif /* CX24123_H */