drivers/media/dvb-frontends/sp887x.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3    Driver for the Spase sp887x demodulator
   4 */
   5
   6 #ifndef SP887X_H
   7 #define SP887X_H
   8
   9 #include <linux/dvb/frontend.h>
  10 #include <linux/firmware.h>
  11
  12 struct sp887x_config
  13 {
  14         /* the demodulator's i2c address */
  15         u8 demod_address;
  16
  17         /* request firmware for device */
  18         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  19 };
  20
  21 #if IS_REACHABLE(CONFIG_DVB_SP887X)
  22 extern struct dvb_frontend* sp887x_attach(const struct sp887x_config* config,
  23                                           struct i2c_adapter* i2c);
  24 #else
  25 static inline struct dvb_frontend* sp887x_attach(const struct sp887x_config* config,
  26                                           struct i2c_adapter* i2c)
  27 {
  28         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  29         return NULL;
  30 }
  31 #endif // CONFIG_DVB_SP887X
  32
  33 #endif // SP887X_H