/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator * ATBM8830, ATBM8831 * * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com> */ #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__ */