1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator
4 *
5 * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
6 */
7
8#ifndef __MXL111SF_DEMOD_H__
9#define __MXL111SF_DEMOD_H__
10
11#include <media/dvb_frontend.h>
12#include "mxl111sf.h"
13
14struct mxl111sf_demod_config {
15 int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
16 int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
17 int (*program_regs)(struct mxl111sf_state *state,
18 struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
19};
20
21#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
22extern
23struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
24 const struct mxl111sf_demod_config *cfg);
25#else
26static inline
27struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
28 const struct mxl111sf_demod_config *cfg)
29{
30 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
31 return NULL;
32}
33#endif /* CONFIG_DVB_USB_MXL111SF */
34
35#endif /* __MXL111SF_DEMOD_H__ */
36

source code of linux/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h