| /* |
| * 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. |
| * |
| * To obtain the license, point your browser to |
| * http://www.gnu.org/copyleft/gpl.html |
| * |
| * |
| * the project's page is at https://linuxtv.org |
| */ |
| |
| #ifndef _LNBP21_H |
| #define _LNBP21_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 |