| /* |
| DVB Driver for Philips tda827x / tda827xa Silicon tuners |
| |
| (c) 2005 Hartmut Hackmann |
| (c) 2007 Michael Krufky |
| |
| 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 __DVB_TDA827X_H__ |
| #define __DVB_TDA827X_H__ |
| |
| #include <linux/i2c.h> |
| #include "dvb_frontend.h" |
| |
| struct tda827x_config |
| { |
| /* saa7134 - provided callbacks */ |
| int (*init) (struct dvb_frontend *fe); |
| int (*sleep) (struct dvb_frontend *fe); |
| |
| /* interface to tda829x driver */ |
| unsigned int config; |
| int switch_addr; |
| int (*tuner_callback) (void *dev, int command, int arg); |
| |
| void (*agcf)(struct dvb_frontend *fe); |
| }; |
| |
| |
| /** |
| * Attach a tda827x tuner to the supplied frontend structure. |
| * |
| * @param fe Frontend to attach to. |
| * @param addr i2c address of the tuner. |
| * @param i2c i2c adapter to use. |
| * @param cfg optional callback function pointers. |
| * @return FE pointer on success, NULL on failure. |
| */ |
| #if defined(CONFIG_DVB_TDA827X) || (defined(CONFIG_DVB_TDA827X_MODULE) && defined(MODULE)) |
| extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr, |
| struct i2c_adapter *i2c, |
| struct tda827x_config *cfg); |
| #else |
| static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, |
| int addr, |
| struct i2c_adapter *i2c, |
| struct tda827x_config *cfg) |
| { |
| printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); |
| return NULL; |
| } |
| #endif // CONFIG_DVB_TDA827X |
| |
| #endif // __DVB_TDA827X_H__ |