1/* 2 * isl6405.h - driver for dual lnb supply and control ic ISL6405 3 * 4 * Copyright (C) 2008 Hartmut Hackmann 5 * Copyright (C) 2006 Oliver Endriss 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 _ISL6405_H 29#define _ISL6405_H 30 31#include <linux/dvb/frontend.h> 32 33/* system register bits */ 34 35/* this bit selects register (control) 1 or 2 36 note that the bit maps are different */ 37 38#define ISL6405_SR 0x80 39 40/* SR = 0 */ 41#define ISL6405_OLF1 0x01 42#define ISL6405_EN1 0x02 43#define ISL6405_VSEL1 0x04 44#define ISL6405_LLC1 0x08 45#define ISL6405_ENT1 0x10 46#define ISL6405_ISEL1 0x20 47#define ISL6405_DCL 0x40 48 49/* SR = 1 */ 50#define ISL6405_OLF2 0x01 51#define ISL6405_OTF 0x02 52#define ISL6405_EN2 0x04 53#define ISL6405_VSEL2 0x08 54#define ISL6405_LLC2 0x10 55#define ISL6405_ENT2 0x20 56#define ISL6405_ISEL2 0x40 57 58#if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && \ 59 defined(MODULE)) 60/* override_set and override_clear control which system register bits (above) 61 * to always set & clear 62 */ 63extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, 64 u8 i2c_addr, u8 override_set, u8 override_clear); 65#else 66static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, 67 struct i2c_adapter *i2c, u8 i2c_addr, 68 u8 override_set, u8 override_clear) 69{ 70 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 71 return NULL; 72} 73#endif /* CONFIG_DVB_ISL6405 */ 74 75#endif 76