| /* | 
 |  *    Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator | 
 |  *    ATBM8830, ATBM8831 | 
 |  * | 
 |  *    Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.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. | 
 |  */ | 
 |  | 
 | #ifndef __ATBM8830_H__ | 
 | #define __ATBM8830_H__ | 
 |  | 
 | #include <linux/dvb/frontend.h> | 
 | #include <linux/i2c.h> | 
 |  | 
 | #define ATBM8830_PROD_8830 0 | 
 | #define ATBM8830_PROD_8831 1 | 
 |  | 
 | struct atbm8830_config { | 
 |  | 
 | 	/* product type */ | 
 | 	u8 prod; | 
 |  | 
 | 	/* the demodulator's i2c address */ | 
 | 	u8 demod_address; | 
 |  | 
 | 	/* parallel or serial transport stream */ | 
 | 	u8 serial_ts; | 
 |  | 
 | 	/* transport stream clock output only when receiving valid stream */ | 
 | 	u8 ts_clk_gated; | 
 |  | 
 | 	/* Decoder sample TS data at rising edge of clock */ | 
 | 	u8 ts_sampling_edge; | 
 |  | 
 | 	/* Oscillator clock frequency */ | 
 | 	u32 osc_clk_freq; /* in kHz */ | 
 |  | 
 | 	/* IF frequency */ | 
 | 	u32 if_freq; /* in kHz */ | 
 |  | 
 | 	/* Swap I/Q for zero IF */ | 
 | 	u8 zif_swap_iq; | 
 |  | 
 | 	/* Tuner AGC settings */ | 
 | 	u8 agc_min; | 
 | 	u8 agc_max; | 
 | 	u8 agc_hold_loop; | 
 | }; | 
 |  | 
 | #if IS_REACHABLE(CONFIG_DVB_ATBM8830) | 
 | extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, | 
 | 		struct i2c_adapter *i2c); | 
 | #else | 
 | static inline | 
 | struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, | 
 | 		struct i2c_adapter *i2c) { | 
 | 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | 
 | 	return NULL; | 
 | } | 
 | #endif /* CONFIG_DVB_ATBM8830 */ | 
 |  | 
 | #endif /* __ATBM8830_H__ */ |