1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Support for NXT2002 and NXT2004 - VSB/QAM 4 * 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_H 11 #define NXT200X_H 12 13 #include <linux/dvb/frontend.h> 14 #include <linux/firmware.h> 15 16 typedef enum nxt_chip_t { 17 NXTUNDEFINED, 18 NXT2002, 19 NXT2004 20 }nxt_chip_type; 21 22 struct nxt200x_config 23 { 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) 32 extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config, 33 struct i2c_adapter* i2c); 34 #else 35 static 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_NXT200X 42 43 #endif /* NXT200X_H */ 44