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
zl10353_attach(const struct zl10353_config * config,struct i2c_adapter * i2c)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