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62 lines
1.3 KiB
62 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator |
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* ATBM8830, ATBM8831 |
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* |
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* Copyright (C) 2009 David T.L. Wong <[email protected]> |
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*/ |
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#ifndef __ATBM8830_H__ |
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#define __ATBM8830_H__ |
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#include <linux/dvb/frontend.h> |
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#include <linux/i2c.h> |
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#define ATBM8830_PROD_8830 0 |
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#define ATBM8830_PROD_8831 1 |
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struct atbm8830_config { |
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/* product type */ |
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u8 prod; |
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/* the demodulator's i2c address */ |
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u8 demod_address; |
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/* parallel or serial transport stream */ |
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u8 serial_ts; |
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/* transport stream clock output only when receiving valid stream */ |
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u8 ts_clk_gated; |
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/* Decoder sample TS data at rising edge of clock */ |
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u8 ts_sampling_edge; |
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/* Oscillator clock frequency */ |
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u32 osc_clk_freq; /* in kHz */ |
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/* IF frequency */ |
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u32 if_freq; /* in kHz */ |
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/* Swap I/Q for zero IF */ |
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u8 zif_swap_iq; |
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/* Tuner AGC settings */ |
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u8 agc_min; |
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u8 agc_max; |
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u8 agc_hold_loop; |
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}; |
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#if IS_REACHABLE(CONFIG_DVB_ATBM8830) |
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extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, |
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struct i2c_adapter *i2c); |
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#else |
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static inline |
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struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, |
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struct i2c_adapter *i2c) { |
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
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return NULL; |
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} |
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#endif /* CONFIG_DVB_ATBM8830 */ |
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#endif /* __ATBM8830_H__ */
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