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 IS_REACHABLE(CONFIG_DVB_ISL6405) 59 /* override_set and override_clear control which system register bits (above) 60 * to always set & clear 61 */ 62 extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, 63 u8 i2c_addr, u8 override_set, u8 override_clear); 64 #else 65 static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, 66 struct i2c_adapter *i2c, u8 i2c_addr, 67 u8 override_set, u8 override_clear) 68 { 69 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 70 return NULL; 71 } 72 #endif /* CONFIG_DVB_ISL6405 */ 73 74 #endif 75