1 /*
2  *  mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner
3  *
4  *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
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_TUNER_H__
22 #define __MXL111SF_TUNER_H__
23 
24 #include <linux/kconfig.h>
25 #include "dvb_frontend.h"
26 #include "mxl111sf.h"
27 
28 enum mxl_if_freq {
29 #if 0
30 	MXL_IF_LO    = 0x00, /* other IF < 9MHz */
31 #endif
32 	MXL_IF_4_0   = 0x01, /* 4.0   MHz */
33 	MXL_IF_4_5   = 0x02, /* 4.5   MHz */
34 	MXL_IF_4_57  = 0x03, /* 4.57  MHz */
35 	MXL_IF_5_0   = 0x04, /* 5.0   MHz */
36 	MXL_IF_5_38  = 0x05, /* 5.38  MHz */
37 	MXL_IF_6_0   = 0x06, /* 6.0   MHz */
38 	MXL_IF_6_28  = 0x07, /* 6.28  MHz */
39 	MXL_IF_7_2   = 0x08, /* 7.2   MHz */
40 	MXL_IF_35_25 = 0x09, /* 35.25 MHz */
41 	MXL_IF_36    = 0x0a, /* 36    MHz */
42 	MXL_IF_36_15 = 0x0b, /* 36.15 MHz */
43 	MXL_IF_44    = 0x0c, /* 44    MHz */
44 #if 0
45 	MXL_IF_HI    = 0x0f, /* other IF > 35 MHz and < 45 MHz */
46 #endif
47 };
48 
49 struct mxl111sf_tuner_config {
50 	enum mxl_if_freq if_freq;
51 	unsigned int invert_spectrum:1;
52 
53 	int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
54 	int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
55 	int (*program_regs)(struct mxl111sf_state *state,
56 			    struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
57 	int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff);
58 	int (*ant_hunt)(struct dvb_frontend *fe);
59 };
60 
61 /* ------------------------------------------------------------------------ */
62 
63 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
64 extern
65 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
66 				struct mxl111sf_state *mxl_state,
67 				const struct mxl111sf_tuner_config *cfg);
68 #else
69 static inline
70 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
71 				struct mxl111sf_state *mxl_state,
72 				const struct mxl111sf_tuner_config *cfg)
73 {
74 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
75 	return NULL;
76 }
77 #endif
78 
79 #endif /* __MXL111SF_TUNER_H__ */
80