/* * lnbp21.h - driver for lnb supply and control ic lnbp21 * * 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 _LNBP21_H #define _LNBP21_H #include <linux/kconfig.h> /* system register bits */ /* [RO] 0=OK; 1=over current limit flag */ #define LNBP21_OLF 0x01 /* [RO] 0=OK; 1=over temperature flag (150 C) */ #define LNBP21_OTF 0x02 /* [RW] 0=disable LNB power, enable loopthrough 1=enable LNB power, disable loopthrough */ #define LNBP21_EN 0x04 /* [RW] 0=low voltage (13/14V, vert pol) 1=high voltage (18/19V,horiz pol) */ #define LNBP21_VSEL 0x08 /* [RW] increase LNB voltage by 1V: 0=13/18V; 1=14/19V */ #define LNBP21_LLC 0x10 /* [RW] 0=tone controlled by DSQIN pin 1=tone enable, disable DSQIN */ #define LNBP21_TEN 0x20 /* [RW] current limit select: 0:Iout=500-650mA Isc=300mA 1:Iout=400-550mA Isc=200mA */ #define LNBP21_ISEL 0x40 /* [RW] short-circuit protect: 0=pulsed (dynamic) curr limiting 1=static curr limiting */ #define LNBP21_PCL 0x80 #include <linux/dvb/frontend.h> #if IS_REACHABLE(CONFIG_DVB_LNBP21) /* override_set and override_clear control which system register bits (above) to always set & clear */ extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear); #else static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 override_set, u8 override_clear) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif