1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * public header file of the frontend drivers for mobile DVB-T demodulators
4  * DiBcom 3000M-B and DiBcom 3000P/M-C (http://www.dibcom.fr/)
5  *
6  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
7  *
8  * based on GPL code from DibCom, which has
9  *
10  * Copyright (C) 2004 Amaury Demol for DiBcom
11  *
12  * Acknowledgements
13  *
14  *  Amaury Demol from DiBcom for providing specs and driver
15  *  sources, on which this driver (and the dvb-dibusb) are based.
16  *
17  * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
18  */
19 
20 #ifndef DIB3000_H
21 #define DIB3000_H
22 
23 #include <linux/dvb/frontend.h>
24 
25 struct dib3000_config
26 {
27 	/* the demodulator's i2c address */
28 	u8 demod_address;
29 };
30 
31 struct dib_fe_xfer_ops
32 {
33 	/* pid and transfer handling is done in the demodulator */
34 	int (*pid_parse)(struct dvb_frontend *fe, int onoff);
35 	int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff);
36 	int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff);
37 	int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl);
38 };
39 
40 #if IS_REACHABLE(CONFIG_DVB_DIB3000MB)
41 extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
42 					     struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops);
43 #else
44 static inline struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config,
45 					     struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops)
46 {
47 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
48 	return NULL;
49 }
50 #endif // CONFIG_DVB_DIB3000MB
51 
52 #endif // DIB3000_H
53