treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / dvb-frontends / dib3000mc.h
blob5ed3d9147f8bee085438b35498537858d1800274
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Driver for DiBcom DiB3000MC/P-demodulator.
5 * Copyright (C) 2004-6 DiBcom (http://www.dibcom.fr/)
6 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
8 * This code is partially based on the previous dib3000mc.c .
9 */
10 #ifndef DIB3000MC_H
11 #define DIB3000MC_H
13 #include "dibx000_common.h"
15 struct dib3000mc_config {
16 struct dibx000_agc_config *agc;
18 u8 phase_noise_mode;
19 u8 impulse_noise_mode;
21 u8 pwm3_inversion;
22 u8 use_pwm3;
23 u16 pwm3_value;
25 u16 max_time;
26 u16 ln_adc_level;
28 u8 agc_command1 :1;
29 u8 agc_command2 :1;
31 u8 mobile_mode;
33 u8 output_mpeg2_in_188_bytes;
36 #define DEFAULT_DIB3000MC_I2C_ADDRESS 16
37 #define DEFAULT_DIB3000P_I2C_ADDRESS 24
39 #if IS_REACHABLE(CONFIG_DVB_DIB3000MC)
40 extern struct dvb_frontend *dib3000mc_attach(struct i2c_adapter *i2c_adap,
41 u8 i2c_addr,
42 struct dib3000mc_config *cfg);
43 extern int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c,
44 int no_of_demods, u8 default_addr,
45 struct dib3000mc_config cfg[]);
46 extern
47 struct i2c_adapter *dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod,
48 int gating);
49 #else
50 static inline
51 struct dvb_frontend *dib3000mc_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr,
52 struct dib3000mc_config *cfg)
54 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
55 return NULL;
58 static inline
59 int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c,
60 int no_of_demods, u8 default_addr,
61 struct dib3000mc_config cfg[])
63 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64 return -ENODEV;
67 static inline
68 struct i2c_adapter *dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod,
69 int gating)
71 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
72 return NULL;
74 #endif // CONFIG_DVB_DIB3000MC
76 extern int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff);
77 extern int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff);
79 extern void dib3000mc_set_config(struct dvb_frontend *, struct dib3000mc_config *);
81 #endif