/* VES1820 - Single Chip Cable Channel Receiver driver module Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef VES1820_H #define VES1820_H #include <linux/dvb/frontend.h> #define VES1820_SELAGC_PWM 0 #define VES1820_SELAGC_SIGNAMPERR 1 struct ves1820_config { /* the demodulator's i2c address */ u8 demod_address; /* value of XIN to use */ u32 xin; /* does inversion need inverted? */ u8 invert:1; /* SELAGC control */ u8 selagc:1; }; #if IS_REACHABLE(CONFIG_DVB_VES1820) extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config, struct i2c_adapter* i2c, u8 pwm); #else static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config, struct i2c_adapter* i2c, u8 pwm) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif // CONFIG_DVB_VES1820 #endif // VES1820_H