1/* 2 * lnbp22.h - driver for lnb supply and control ic lnbp22 3 * 4 * Copyright (C) 2006 Dominik Kuhlen 5 * Based on lnbp21.h 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html 23 * 24 * 25 * the project's page is at http://www.linuxtv.org 26 */ 27 28#ifndef _LNBP22_H 29#define _LNBP22_H 30 31#include <linux/kconfig.h> 32 33/* Enable */ 34#define LNBP22_EN 0x10 35/* Voltage selection */ 36#define LNBP22_VSEL 0x02 37/* Plus 1 Volt Bit */ 38#define LNBP22_LLC 0x01 39 40#include <linux/dvb/frontend.h> 41 42#if IS_ENABLED(CONFIG_DVB_LNBP22) 43/* 44 * override_set and override_clear control which system register bits (above) 45 * to always set & clear 46 */ 47extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 48 struct i2c_adapter *i2c); 49#else 50static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 51 struct i2c_adapter *i2c) 52{ 53 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 54 return NULL; 55} 56#endif /* CONFIG_DVB_LNBP22 */ 57 58#endif /* _LNBP22_H */ 59