1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *  mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner
4 *
5 *  Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
6 */
7
8#ifndef __MXL111SF_TUNER_H__
9#define __MXL111SF_TUNER_H__
10
11#include <media/dvb_frontend.h>
12#include "mxl111sf.h"
13
14enum mxl_if_freq {
15#if 0
16	MXL_IF_LO    = 0x00, /* other IF < 9MHz */
17#endif
18	MXL_IF_4_0   = 0x01, /* 4.0   MHz */
19	MXL_IF_4_5   = 0x02, /* 4.5   MHz */
20	MXL_IF_4_57  = 0x03, /* 4.57  MHz */
21	MXL_IF_5_0   = 0x04, /* 5.0   MHz */
22	MXL_IF_5_38  = 0x05, /* 5.38  MHz */
23	MXL_IF_6_0   = 0x06, /* 6.0   MHz */
24	MXL_IF_6_28  = 0x07, /* 6.28  MHz */
25	MXL_IF_7_2   = 0x08, /* 7.2   MHz */
26	MXL_IF_35_25 = 0x09, /* 35.25 MHz */
27	MXL_IF_36    = 0x0a, /* 36    MHz */
28	MXL_IF_36_15 = 0x0b, /* 36.15 MHz */
29	MXL_IF_44    = 0x0c, /* 44    MHz */
30#if 0
31	MXL_IF_HI    = 0x0f, /* other IF > 35 MHz and < 45 MHz */
32#endif
33};
34
35struct mxl111sf_tuner_config {
36	enum mxl_if_freq if_freq;
37	unsigned int invert_spectrum:1;
38
39	int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
40	int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
41	int (*program_regs)(struct mxl111sf_state *state,
42			    struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
43	int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff);
44	int (*ant_hunt)(struct dvb_frontend *fe);
45};
46
47/* ------------------------------------------------------------------------ */
48
49#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
50extern
51struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
52				struct mxl111sf_state *mxl_state,
53				const struct mxl111sf_tuner_config *cfg);
54#else
55static inline
56struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
57				struct mxl111sf_state *mxl_state,
58				const struct mxl111sf_tuner_config *cfg)
59{
60	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
61	return NULL;
62}
63#endif
64
65#endif /* __MXL111SF_TUNER_H__ */
66