drivers/media/dvb-frontends/stv0288.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         Driver for ST STV0288 demodulator
   4
   5         Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
   6                 for Reel Multimedia
   7         Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
   8         Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
   9                 Removed stb6000 specific tuner code and revised some
  10                 procedures.
  11
  12
  13 */
  14
  15 #ifndef STV0288_H
  16 #define STV0288_H
  17
  18 #include <linux/dvb/frontend.h>
  19 #include <media/dvb_frontend.h>
  20
  21 struct stv0288_config {
  22         /* the demodulator's i2c address */
  23         u8 demod_address;
  24
  25         u8* inittab;
  26
  27         /* minimum delay before retuning */
  28         int min_delay_ms;
  29
  30         int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_DVB_STV0288)
  34 extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
  35                                            struct i2c_adapter *i2c);
  36 #else
  37 static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
  38                                            struct i2c_adapter *i2c)
  39 {
  40         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  41         return NULL;
  42 }
  43 #endif /* CONFIG_DVB_STV0288 */
  44
  45 static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
  46 {
  47         int r = 0;
  48         u8 buf[] = { reg, val };
  49         if (fe->ops.write)
  50                 r = fe->ops.write(fe, buf, 2);
  51         return r;
  52 }
  53
  54 #endif /* STV0288_H */