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 * To obtain the license, point your browser to 19 * http://www.gnu.org/copyleft/gpl.html 20 * 21 * 22 * the project's page is at https://linuxtv.org 23 */ 24 25 #ifndef _ISL6405_H 26 #define _ISL6405_H 27 28 #include <linux/dvb/frontend.h> 29 30 /* system register bits */ 31 32 /* this bit selects register (control) 1 or 2 33 note that the bit maps are different */ 34 35 #define ISL6405_SR 0x80 36 37 /* SR = 0 */ 38 #define ISL6405_OLF1 0x01 39 #define ISL6405_EN1 0x02 40 #define ISL6405_VSEL1 0x04 41 #define ISL6405_LLC1 0x08 42 #define ISL6405_ENT1 0x10 43 #define ISL6405_ISEL1 0x20 44 #define ISL6405_DCL 0x40 45 46 /* SR = 1 */ 47 #define ISL6405_OLF2 0x01 48 #define ISL6405_OTF 0x02 49 #define ISL6405_EN2 0x04 50 #define ISL6405_VSEL2 0x08 51 #define ISL6405_LLC2 0x10 52 #define ISL6405_ENT2 0x20 53 #define ISL6405_ISEL2 0x40 54 55 #if IS_REACHABLE(CONFIG_DVB_ISL6405) 56 /* override_set and override_clear control which system register bits (above) 57 * to always set & clear 58 */ 59 extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, 60 u8 i2c_addr, u8 override_set, u8 override_clear); 61 #else 62 static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, 63 struct i2c_adapter *i2c, u8 i2c_addr, 64 u8 override_set, u8 override_clear) 65 { 66 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 67 return NULL; 68 } 69 #endif /* CONFIG_DVB_ISL6405 */ 70 71 #endif 72