drivers/media/dvb-frontends/lnbh24.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * lnbh24.h - driver for lnb supply and control ic lnbh24
   4  *
   5  * Copyright (C) 2009 NetUP Inc.
   6  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   7  */
   8
   9 #ifndef _LNBH24_H
  10 #define _LNBH24_H
  11
  12 /* system register bits */
  13 #define LNBH24_OLF      0x01
  14 #define LNBH24_OTF      0x02
  15 #define LNBH24_EN       0x04
  16 #define LNBH24_VSEL     0x08
  17 #define LNBH24_LLC      0x10
  18 #define LNBH24_TEN      0x20
  19 #define LNBH24_TTX      0x40
  20 #define LNBH24_PCL      0x80
  21
  22 #include <linux/dvb/frontend.h>
  23
  24 #if IS_REACHABLE(CONFIG_DVB_LNBP21)
  25 /* override_set and override_clear control which
  26    system register bits (above) to always set & clear */
  27 extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  28                                 struct i2c_adapter *i2c, u8 override_set,
  29                                 u8 override_clear, u8 i2c_addr);
  30 #else
  31 static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  32                                 struct i2c_adapter *i2c, u8 override_set,
  33                                 u8 override_clear, u8 i2c_addr)
  34 {
  35         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  36         return NULL;
  37 }
  38 #endif
  39
  40 #endif