drivers/media/dvb-frontends/sp8870.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     Driver for Spase SP8870 demodulator
   4
   5     Copyright (C) 1999 Juergen Peitz
   6
   7
   8 */
   9
  10 #ifndef SP8870_H
  11 #define SP8870_H
  12
  13 #include <linux/dvb/frontend.h>
  14 #include <linux/firmware.h>
  15
  16 struct sp8870_config
  17 {
  18         /* the demodulator's i2c address */
  19         u8 demod_address;
  20
  21         /* request firmware for device */
  22         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  23 };
  24
  25 #if IS_REACHABLE(CONFIG_DVB_SP8870)
  26 extern struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
  27                                           struct i2c_adapter* i2c);
  28 #else
  29 static inline struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
  30                                           struct i2c_adapter* i2c)
  31 {
  32         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  33         return NULL;
  34 }
  35 #endif // CONFIG_DVB_SP8870
  36
  37 #endif // SP8870_H