/* Montage Technology TS2020 - Silicon Tuner driver Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> Copyright (C) 2009-2012 TurboSight.com 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 TS2020_H #define TS2020_H #include <linux/kconfig.h> #include <linux/dvb/frontend.h> struct ts2020_config { u8 tuner_address; u32 frequency_div; /* * RF loop-through */ bool loop_through:1; /* * clock output */ #define TS2020_CLK_OUT_DISABLED 0 #define TS2020_CLK_OUT_ENABLED 1 #define TS2020_CLK_OUT_ENABLED_XTALOUT 2 u8 clk_out:2; /* * clock output divider * 1 - 31 */ u8 clk_out_div:5; /* Set to true to suppress stat polling */ bool dont_poll:1; /* * pointer to DVB frontend */ struct dvb_frontend *fe; /* * driver private, do not set value */ u8 attach_in_use:1; /* Operation to be called by the ts2020 driver to get the value of the * AGC PWM tuner input as theoretically output by the demodulator. */ int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm); }; /* Do not add new ts2020_attach() users! Use I2C bindings instead. */ #if IS_REACHABLE(CONFIG_DVB_TS2020) extern struct dvb_frontend *ts2020_attach( struct dvb_frontend *fe, const struct ts2020_config *config, struct i2c_adapter *i2c); #else static inline struct dvb_frontend *ts2020_attach( struct dvb_frontend *fe, const struct ts2020_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif /* TS2020_H */