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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * Support for NXT2002 and NXT2004 - VSB/QAM4 *5 * Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com)6 * based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net>7 * and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com)8*/9 10#ifndef NXT200X_H11#define NXT200X_H12 13#include <linux/dvb/frontend.h>14#include <linux/firmware.h>15 16typedef enum nxt_chip_t {17 NXTUNDEFINED,18 NXT2002,19 NXT200420}nxt_chip_type;21 22struct nxt200x_config23{24 /* the demodulator's i2c address */25 u8 demod_address;26 27 /* need to set device param for start_dma */28 int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);29};30 31#if IS_REACHABLE(CONFIG_DVB_NXT200X)32extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,33 struct i2c_adapter* i2c);34#else35static inline struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,36 struct i2c_adapter* i2c)37{38 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);39 return NULL;40}41#endif // CONFIG_DVB_NXT200X42 43#endif /* NXT200X_H */44