| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /** | 
 | 2 |  * Driver for Zarlink ZL10036 DVB-S silicon tuner | 
 | 3 |  * | 
 | 4 |  * Copyright (C) 2006 Tino Reichardt | 
 | 5 |  * Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de> | 
 | 6 |  * | 
 | 7 |  * This program is free software; you can redistribute it and/or modify | 
 | 8 |  * it under the terms of the GNU General Public License Version 2, as | 
 | 9 |  * published by the Free Software Foundation. | 
 | 10 |  * | 
 | 11 |  * This program is distributed in the hope that it will be useful, | 
 | 12 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | 13 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 | 14 |  * GNU General Public License for more details. | 
 | 15 |  */ | 
 | 16 |  | 
 | 17 | #ifndef DVB_ZL10036_H | 
 | 18 | #define DVB_ZL10036_H | 
 | 19 |  | 
 | 20 | #include <linux/i2c.h> | 
 | 21 | #include <media/dvb_frontend.h> | 
 | 22 |  | 
 | 23 | struct zl10036_config { | 
 | 24 | 	u8 tuner_address; | 
 | 25 | 	int rf_loop_enable; | 
 | 26 | }; | 
 | 27 |  | 
 | 28 | #if IS_REACHABLE(CONFIG_DVB_ZL10036) | 
 | 29 | /** | 
 | 30 |  * Attach a zl10036 tuner to the supplied frontend structure. | 
 | 31 |  * | 
 | 32 |  * @fe: Frontend to attach to. | 
 | 33 |  * @config: zl10036_config structure. | 
 | 34 |  * @i2c: pointer to struct i2c_adapter. | 
 | 35 |  * return: FE pointer on success, NULL on failure. | 
 | 36 |  */ | 
 | 37 | extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe, | 
 | 38 | 	const struct zl10036_config *config, struct i2c_adapter *i2c); | 
 | 39 | #else | 
 | 40 | static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe, | 
 | 41 | 	const struct zl10036_config *config, struct i2c_adapter *i2c) | 
 | 42 | { | 
 | 43 | 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
 | 44 | 	return NULL; | 
 | 45 | } | 
 | 46 | #endif | 
 | 47 |  | 
 | 48 | #endif /* DVB_ZL10036_H */ |