xref: /linux/drivers/media/dvb-frontends/nxt6000.h (revision 58e16d792a6a8c6b750f637a4649967fcac853dc)
1  /* SPDX-License-Identifier: GPL-2.0-or-later */
2  /*
3  	NxtWave Communications - NXT6000 demodulator driver
4  
5      Copyright (C) 2002-2003 Florian Schirmer <jolt@tuxbox.org>
6      Copyright (C) 2003 Paul Andreassen <paul@andreassen.com.au>
7  
8  */
9  
10  #ifndef NXT6000_H
11  #define NXT6000_H
12  
13  #include <linux/dvb/frontend.h>
14  
15  struct nxt6000_config
16  {
17  	/* the demodulator's i2c address */
18  	u8 demod_address;
19  
20  	/* should clock inversion be used? */
21  	u8 clock_inversion:1;
22  };
23  
24  #if IS_REACHABLE(CONFIG_DVB_NXT6000)
25  extern struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
26  					   struct i2c_adapter* i2c);
27  #else
nxt6000_attach(const struct nxt6000_config * config,struct i2c_adapter * i2c)28  static inline struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
29  					   struct i2c_adapter* i2c)
30  {
31  	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
32  	return NULL;
33  }
34  #endif // CONFIG_DVB_NXT6000
35  
36  #endif // NXT6000_H
37