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
17 #ifndef __MXL111SF_TUNER_H__
18 #define __MXL111SF_TUNER_H__
19
20 #include <media/dvb_frontend.h>
21 #include "mxl111sf.h"
22
23 enum mxl_if_freq {
24 #if 0
25 MXL_IF_LO = 0x00, /* other IF < 9MHz */
26 #endif
27 MXL_IF_4_0 = 0x01, /* 4.0 MHz */
28 MXL_IF_4_5 = 0x02, /* 4.5 MHz */
29 MXL_IF_4_57 = 0x03, /* 4.57 MHz */
30 MXL_IF_5_0 = 0x04, /* 5.0 MHz */
31 MXL_IF_5_38 = 0x05, /* 5.38 MHz */
32 MXL_IF_6_0 = 0x06, /* 6.0 MHz */
33 MXL_IF_6_28 = 0x07, /* 6.28 MHz */
34 MXL_IF_7_2 = 0x08, /* 7.2 MHz */
35 MXL_IF_35_25 = 0x09, /* 35.25 MHz */
36 MXL_IF_36 = 0x0a, /* 36 MHz */
37 MXL_IF_36_15 = 0x0b, /* 36.15 MHz */
38 MXL_IF_44 = 0x0c, /* 44 MHz */
39 #if 0
40 MXL_IF_HI = 0x0f, /* other IF > 35 MHz and < 45 MHz */
41 #endif
42 };
43
44 struct mxl111sf_tuner_config {
45 enum mxl_if_freq if_freq;
46 unsigned int invert_spectrum:1;
47
48 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
49 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
50 int (*program_regs)(struct mxl111sf_state *state,
51 struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
52 int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff);
53 int (*ant_hunt)(struct dvb_frontend *fe);
54 };
55
56 /* ------------------------------------------------------------------------ */
57
58 #if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
59 extern
60 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
61 struct mxl111sf_state *mxl_state,
62 const struct mxl111sf_tuner_config *cfg);
63 #else
64 static inline
mxl111sf_tuner_attach(struct dvb_frontend * fe,struct mxl111sf_state * mxl_state,const struct mxl111sf_tuner_config * cfg)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 {
69 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
70 return NULL;
71 }
72 #endif
73
74 #endif /* __MXL111SF_TUNER_H__ */
75