1/* 2 * lnbp21.h - driver for lnb supply and control ic lnbp21 3 * 4 * Copyright (C) 2006 Oliver Endriss 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 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 * GNU General Public License for more details. 16 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html 22 * 23 * 24 * the project's page is at http://www.linuxtv.org 25 */ 26 27#ifndef _LNBP21_H 28#define _LNBP21_H 29 30/* system register bits */ 31#define LNBP21_OLF 0x01 32#define LNBP21_OTF 0x02 33#define LNBP21_EN 0x04 34#define LNBP21_VSEL 0x08 35#define LNBP21_LLC 0x10 36#define LNBP21_TEN 0x20 37#define LNBP21_ISEL 0x40 38#define LNBP21_PCL 0x80 39 40#include <linux/dvb/frontend.h> 41 42#if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) && \ 43 defined(MODULE)) 44/* override_set and override_clear control which system register bits (above) to always set & clear */ 45extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear); 46#else 47static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear) 48{ 49 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); 50 return NULL; 51} 52#endif // CONFIG_DVB_LNBP21 53 54#endif // _LNBP21_H 55