| /* 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__ */ |
