1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 *  Driver for Zarlink DVB-T ZL10353 demodulator
4 *
5 *  Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
6 */
7
8#ifndef ZL10353_H
9#define ZL10353_H
10
11#include <linux/dvb/frontend.h>
12
13struct zl10353_config
14{
15	/* demodulator's I2C address */
16	u8 demod_address;
17
18	/* frequencies in units of 0.1kHz */
19	int adc_clock;	/* default: 450560 (45.056  MHz) */
20	int if2;	/* default: 361667 (36.1667 MHz) */
21
22	/* set if no pll is connected to the secondary i2c bus */
23	int no_tuner;
24
25	/* set if parallel ts output is required */
26	int parallel_ts;
27
28	/* set if i2c_gate_ctrl disable is required */
29	u8 disable_i2c_gate_ctrl:1;
30
31	/* clock control registers (0x51-0x54) */
32	u8 clock_ctl_1;  /* default: 0x46 */
33	u8 pll_0;        /* default: 0x15 */
34};
35
36#if IS_REACHABLE(CONFIG_DVB_ZL10353)
37extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
38					   struct i2c_adapter *i2c);
39#else
40static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
41					   struct i2c_adapter *i2c)
42{
43	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
44	return NULL;
45}
46#endif /* CONFIG_DVB_ZL10353 */
47
48#endif /* ZL10353_H */
49