1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * lnbh24.h - driver for lnb supply and control ic lnbh24 4 * 5 * Copyright (C) 2009 NetUP Inc. 6 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru> 7 */ 8 9 #ifndef _LNBH24_H 10 #define _LNBH24_H 11 12 /* system register bits */ 13 #define LNBH24_OLF 0x01 14 #define LNBH24_OTF 0x02 15 #define LNBH24_EN 0x04 16 #define LNBH24_VSEL 0x08 17 #define LNBH24_LLC 0x10 18 #define LNBH24_TEN 0x20 19 #define LNBH24_TTX 0x40 20 #define LNBH24_PCL 0x80 21 22 #include <linux/dvb/frontend.h> 23 24 #if IS_REACHABLE(CONFIG_DVB_LNBP21) 25 /* override_set and override_clear control which 26 system register bits (above) to always set & clear */ 27 extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, 28 struct i2c_adapter *i2c, u8 override_set, 29 u8 override_clear, u8 i2c_addr); 30 #else 31 static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, 32 struct i2c_adapter *i2c, u8 override_set, 33 u8 override_clear, u8 i2c_addr) 34 { 35 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 36 return NULL; 37 } 38 #endif 39 40 #endif 41