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
13 struct 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)
37 extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
38 struct i2c_adapter *i2c);
39 #else
40 static 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 */