1 /*
2  *  Driver for Zarlink DVB-T ZL10353 demodulator
3  *
4  *  Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
20  */
21 
22 #ifndef ZL10353_H
23 #define ZL10353_H
24 
25 #include <linux/dvb/frontend.h>
26 
27 struct zl10353_config
28 {
29 	/* demodulator's I2C address */
30 	u8 demod_address;
31 
32 	/* frequencies in units of 0.1kHz */
33 	int adc_clock;	/* default: 450560 (45.056  MHz) */
34 	int if2;	/* default: 361667 (36.1667 MHz) */
35 
36 	/* set if no pll is connected to the secondary i2c bus */
37 	int no_tuner;
38 
39 	/* set if parallel ts output is required */
40 	int parallel_ts;
41 
42 	/* set if i2c_gate_ctrl disable is required */
43 	u8 disable_i2c_gate_ctrl:1;
44 
45 	/* clock control registers (0x51-0x54) */
46 	u8 clock_ctl_1;  /* default: 0x46 */
47 	u8 pll_0;        /* default: 0x15 */
48 };
49 
50 #if IS_REACHABLE(CONFIG_DVB_ZL10353)
51 extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
52 					   struct i2c_adapter *i2c);
53 #else
54 static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
55 					   struct i2c_adapter *i2c)
56 {
57 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58 	return NULL;
59 }
60 #endif /* CONFIG_DVB_ZL10353 */
61 
62 #endif /* ZL10353_H */
63