1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3     TDA10021/TDA10023  - Single Chip Cable Channel Receiver driver module
4 			 used on the the Siemens DVB-C cards
5 
6     Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
7     Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
8 		   Support for TDA10021
9 
10 */
11 
12 #ifndef TDA1002x_H
13 #define TDA1002x_H
14 
15 #include <linux/dvb/frontend.h>
16 
17 struct tda1002x_config {
18 	/* the demodulator's i2c address */
19 	u8 demod_address;
20 	u8 invert;
21 };
22 
23 enum tda10023_output_mode {
24 	TDA10023_OUTPUT_MODE_PARALLEL_A = 0xe0,
25 	TDA10023_OUTPUT_MODE_PARALLEL_B = 0xa1,
26 	TDA10023_OUTPUT_MODE_PARALLEL_C = 0xa0,
27 	TDA10023_OUTPUT_MODE_SERIAL, /* TODO: not implemented */
28 };
29 
30 struct tda10023_config {
31 	/* the demodulator's i2c address */
32 	u8 demod_address;
33 	u8 invert;
34 
35 	/* clock settings */
36 	u32 xtal; /* defaults: 28920000 */
37 	u8 pll_m; /* defaults: 8 */
38 	u8 pll_p; /* defaults: 4 */
39 	u8 pll_n; /* defaults: 1 */
40 
41 	/* MPEG2 TS output mode */
42 	u8 output_mode;
43 
44 	/* input freq offset + baseband conversion type */
45 	u16 deltaf;
46 };
47 
48 #if IS_REACHABLE(CONFIG_DVB_TDA10021)
49 extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
50 					    struct i2c_adapter* i2c, u8 pwm);
51 #else
52 static inline struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
53 					    struct i2c_adapter* i2c, u8 pwm)
54 {
55 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
56 	return NULL;
57 }
58 #endif // CONFIG_DVB_TDA10021
59 
60 #if IS_REACHABLE(CONFIG_DVB_TDA10023)
61 extern struct dvb_frontend *tda10023_attach(
62 	const struct tda10023_config *config,
63 	struct i2c_adapter *i2c, u8 pwm);
64 #else
65 static inline struct dvb_frontend *tda10023_attach(
66 	const struct tda10023_config *config,
67 	struct i2c_adapter *i2c, u8 pwm)
68 {
69 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
70 	return NULL;
71 }
72 #endif // CONFIG_DVB_TDA10023
73 
74 #endif // TDA1002x_H
75