1/* 2 * lnbh24.h - driver for lnb supply and control ic lnbh24 3 * 4 * Copyright (C) 2009 NetUP Inc. 5 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23#ifndef _LNBH24_H 24#define _LNBH24_H 25 26#include <linux/kconfig.h> 27 28/* system register bits */ 29#define LNBH24_OLF 0x01 30#define LNBH24_OTF 0x02 31#define LNBH24_EN 0x04 32#define LNBH24_VSEL 0x08 33#define LNBH24_LLC 0x10 34#define LNBH24_TEN 0x20 35#define LNBH24_TTX 0x40 36#define LNBH24_PCL 0x80 37 38#include <linux/dvb/frontend.h> 39 40#if IS_ENABLED(CONFIG_DVB_LNBP21) 41/* override_set and override_clear control which 42 system register bits (above) to always set & clear */ 43extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, 44 struct i2c_adapter *i2c, u8 override_set, 45 u8 override_clear, u8 i2c_addr); 46#else 47static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe, 48 struct i2c_adapter *i2c, u8 override_set, 49 u8 override_clear, u8 i2c_addr) 50{ 51 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 52 return NULL; 53} 54#endif 55 56#endif 57