|  | /* | 
|  | 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; | 
|  |  | 
|  | /* PLL maintenance */ | 
|  | int (*pll_init)(struct dvb_frontend* fe); | 
|  | int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); | 
|  | }; | 
|  |  | 
|  | extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config, | 
|  | struct i2c_adapter* i2c, u8 pwm); | 
|  |  | 
|  | #endif // VES1820_H |