xref: /linux/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  *  mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator
3  *
4  *  Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
5  *
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.
10  *
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.
15  *
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.
19  */
20 
21 #ifndef __MXL111SF_DEMOD_H__
22 #define __MXL111SF_DEMOD_H__
23 
24 #include "dvb_frontend.h"
25 #include "mxl111sf.h"
26 
27 struct mxl111sf_demod_config {
28 	int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
29 	int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
30 	int (*program_regs)(struct mxl111sf_state *state,
31 			    struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
32 };
33 
34 #if defined(CONFIG_DVB_USB_MXL111SF) || \
35 	(defined(CONFIG_DVB_USB_MXL111SF_MODULE) && defined(MODULE))
36 extern
37 struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
38 					   struct mxl111sf_demod_config *cfg);
39 #else
40 static inline
41 struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
42 					   struct mxl111sf_demod_config *cfg)
43 {
44 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 	return NULL;
46 }
47 #endif /* CONFIG_DVB_USB_MXL111SF */
48 
49 #endif /* __MXL111SF_DEMOD_H__ */
50 
51 /*
52  * Local variables:
53  * c-basic-offset: 8
54  * End:
55  */
56