xref: /linux/drivers/media/dvb-frontends/bcm3510.h (revision cc04a46f11ea046ed53e2c832ae29e4790f7e35f)
1 /*
2  * Support for the Broadcom BCM3510 ATSC demodulator (1st generation Air2PC)
3  *
4  *  Copyright (C) 2001-5, B2C2 inc.
5  *
6  *  GPL/Linux driver written by Patrick Boettcher <patrick.boettcher@desy.de>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 #ifndef BCM3510_H
23 #define BCM3510_H
24 
25 #include <linux/dvb/frontend.h>
26 #include <linux/firmware.h>
27 
28 struct bcm3510_config
29 {
30 	/* the demodulator's i2c address */
31 	u8 demod_address;
32 
33 	/* request firmware for device */
34 	int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
35 };
36 
37 #if IS_REACHABLE(CONFIG_DVB_BCM3510)
38 extern struct dvb_frontend* bcm3510_attach(const struct bcm3510_config* config,
39 					   struct i2c_adapter* i2c);
40 #else
41 static inline struct dvb_frontend* bcm3510_attach(const struct bcm3510_config* config,
42 						  struct i2c_adapter* i2c)
43 {
44 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 	return NULL;
46 }
47 #endif // CONFIG_DVB_BCM3510
48 
49 #endif
50