1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     Driver for Spase SP8870 demodulator
4 
5     Copyright (C) 1999 Juergen Peitz
6 
7 
8 */
9 
10 #ifndef SP8870_H
11 #define SP8870_H
12 
13 #include <linux/dvb/frontend.h>
14 #include <linux/firmware.h>
15 
16 struct sp8870_config
17 {
18 	/* the demodulator's i2c address */
19 	u8 demod_address;
20 
21 	/* request firmware for device */
22 	int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
23 };
24 
25 #if IS_REACHABLE(CONFIG_DVB_SP8870)
26 extern struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
27 					  struct i2c_adapter* i2c);
28 #else
sp8870_attach(const struct sp8870_config * config,struct i2c_adapter * i2c)29 static inline struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
30 					  struct i2c_adapter* i2c)
31 {
32 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
33 	return NULL;
34 }
35 #endif // CONFIG_DVB_SP8870
36 
37 #endif // SP8870_H
38