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 /* Enable */ 32 #define LNBP22_EN 0x10 33 /* Voltage selection */ 34 #define LNBP22_VSEL 0x02 35 /* Plus 1 Volt Bit */ 36 #define LNBP22_LLC 0x01 37 38 #include <linux/dvb/frontend.h> 39 40 #if defined(CONFIG_DVB_LNBP22) || \ 41 (defined(CONFIG_DVB_LNBP22_MODULE) && defined(MODULE)) 42 /* 43 * override_set and override_clear control which system register bits (above) 44 * to always set & clear 45 */ 46 extern struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 47 struct i2c_adapter *i2c); 48 #else 49 static inline struct dvb_frontend *lnbp22_attach(struct dvb_frontend *fe, 50 struct i2c_adapter *i2c) 51 { 52 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 53 return NULL; 54 } 55 #endif /* CONFIG_DVB_LNBP22 */ 56 57 #endif /* _LNBP22_H */ 58