drivers/media/dvb-frontends/or51211.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *    Support for OR51211 (pcHDTV HD-2000) - VSB
   4  *
   5  *    Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
   6 */
   7
   8 #ifndef OR51211_H
   9 #define OR51211_H
  10
  11 #include <linux/dvb/frontend.h>
  12 #include <linux/firmware.h>
  13
  14 struct or51211_config
  15 {
  16         /* The demodulator's i2c address */
  17         u8 demod_address;
  18
  19         /* Request firmware for device */
  20         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  21         void (*setmode)(struct dvb_frontend * fe, int mode);
  22         void (*reset)(struct dvb_frontend * fe);
  23         void (*sleep)(struct dvb_frontend * fe);
  24 };
  25
  26 #if IS_REACHABLE(CONFIG_DVB_OR51211)
  27 extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  28                                            struct i2c_adapter* i2c);
  29 #else
  30 static inline struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  31                                            struct i2c_adapter* i2c)
  32 {
  33         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  34         return NULL;
  35 }
  36 #endif // CONFIG_DVB_OR51211
  37
  38 #endif // OR51211_H
  39