1 /*
2     TDA10021/TDA10023  - Single Chip Cable Channel Receiver driver module
3 			 used on the the Siemens DVB-C cards
4 
5     Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
6     Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
7 		   Support for TDA10021
8 
9     This program is free software; you can redistribute it and/or modify
10     it under the terms of the GNU General Public License as published by
11     the Free Software Foundation; either version 2 of the License, or
12     (at your option) any later version.
13 
14     This program is distributed in the hope that it will be useful,
15     but WITHOUT ANY WARRANTY; without even the implied warranty of
16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     GNU General Public License for more details.
18 
19     You should have received a copy of the GNU General Public License
20     along with this program; if not, write to the Free Software
21     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23 
24 #ifndef TDA1002x_H
25 #define TDA1002x_H
26 
27 #include <linux/dvb/frontend.h>
28 
29 struct tda1002x_config {
30 	/* the demodulator's i2c address */
31 	u8 demod_address;
32 	u8 invert;
33 };
34 
35 enum tda10023_output_mode {
36 	TDA10023_OUTPUT_MODE_PARALLEL_A = 0xe0,
37 	TDA10023_OUTPUT_MODE_PARALLEL_B = 0xa1,
38 	TDA10023_OUTPUT_MODE_PARALLEL_C = 0xa0,
39 	TDA10023_OUTPUT_MODE_SERIAL, /* TODO: not implemented */
40 };
41 
42 struct tda10023_config {
43 	/* the demodulator's i2c address */
44 	u8 demod_address;
45 	u8 invert;
46 
47 	/* clock settings */
48 	u32 xtal; /* defaults: 28920000 */
49 	u8 pll_m; /* defaults: 8 */
50 	u8 pll_p; /* defaults: 4 */
51 	u8 pll_n; /* defaults: 1 */
52 
53 	/* MPEG2 TS output mode */
54 	u8 output_mode;
55 
56 	/* input freq offset + baseband conversion type */
57 	u16 deltaf;
58 };
59 
60 #if IS_REACHABLE(CONFIG_DVB_TDA10021)
61 extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
62 					    struct i2c_adapter* i2c, u8 pwm);
63 #else
64 static inline struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
65 					    struct i2c_adapter* i2c, u8 pwm)
66 {
67 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
68 	return NULL;
69 }
70 #endif // CONFIG_DVB_TDA10021
71 
72 #if IS_REACHABLE(CONFIG_DVB_TDA10023)
73 extern struct dvb_frontend *tda10023_attach(
74 	const struct tda10023_config *config,
75 	struct i2c_adapter *i2c, u8 pwm);
76 #else
77 static inline struct dvb_frontend *tda10023_attach(
78 	const struct tda10023_config *config,
79 	struct i2c_adapter *i2c, u8 pwm)
80 {
81 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
82 	return NULL;
83 }
84 #endif // CONFIG_DVB_TDA10023
85 
86 #endif // TDA1002x_H
87