1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator
4 * ATBM8830, ATBM8831
5 *
6 * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com>
7 */
8
9#ifndef __ATBM8830_H__
10#define __ATBM8830_H__
11
12#include <linux/dvb/frontend.h>
13#include <linux/i2c.h>
14
15#define ATBM8830_PROD_8830 0
16#define ATBM8830_PROD_8831 1
17
18struct atbm8830_config {
19
20 /* product type */
21 u8 prod;
22
23 /* the demodulator's i2c address */
24 u8 demod_address;
25
26 /* parallel or serial transport stream */
27 u8 serial_ts;
28
29 /* transport stream clock output only when receiving valid stream */
30 u8 ts_clk_gated;
31
32 /* Decoder sample TS data at rising edge of clock */
33 u8 ts_sampling_edge;
34
35 /* Oscillator clock frequency */
36 u32 osc_clk_freq; /* in kHz */
37
38 /* IF frequency */
39 u32 if_freq; /* in kHz */
40
41 /* Swap I/Q for zero IF */
42 u8 zif_swap_iq;
43
44 /* Tuner AGC settings */
45 u8 agc_min;
46 u8 agc_max;
47 u8 agc_hold_loop;
48};
49
50#if IS_REACHABLE(CONFIG_DVB_ATBM8830)
51extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
52 struct i2c_adapter *i2c);
53#else
54static inline
55struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
56 struct i2c_adapter *i2c) {
57 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58 return NULL;
59}
60#endif /* CONFIG_DVB_ATBM8830 */
61
62#endif /* __ATBM8830_H__ */
63

source code of linux/drivers/media/dvb-frontends/atbm8830.h