/* * isl6421.h - driver for lnb supply and control ic ISL6421 * * Copyright (C) 2006 Andrew de Quincey * Copyright (C) 2006 Oliver Endriss * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * Or, point your browser to http://www.gnu.org/copyleft/gpl.html * * * the project's page is at http://www.linuxtv.org */ #ifndef _ISL6421_H #define _ISL6421_H #include <linux/dvb/frontend.h> /* system register bits */ #define ISL6421_OLF1 0x01 #define ISL6421_EN1 0x02 #define ISL6421_VSEL1 0x04 #define ISL6421_LLC1 0x08 #define ISL6421_ENT1 0x10 #define ISL6421_ISEL1 0x20 #define ISL6421_DCL 0x40 #if defined(CONFIG_DVB_ISL6421) || (defined(CONFIG_DVB_ISL6421_MODULE) && defined(MODULE)) /* override_set and override_clear control which system register bits (above) to always set & clear */ extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, u8 override_set, u8 override_clear); #else static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, u8 override_set, u8 override_clear) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); return NULL; } #endif // CONFIG_DVB_ISL6421 #endif