drivers/media/dvb-frontends/bcm3510.h

   1 /*
   2  * Support for the Broadcom BCM3510 ATSC demodulator (1st generation Air2PC)
   3  *
   4  *  Copyright (C) 2001-5, B2C2 inc.
   5  *
   6  *  GPL/Linux driver written by Patrick Boettcher <patrick.boettcher@posteo.de>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18 #ifndef BCM3510_H
  19 #define BCM3510_H
  20
  21 #include <linux/dvb/frontend.h>
  22 #include <linux/firmware.h>
  23
  24 struct bcm3510_config
  25 {
  26         /* the demodulator's i2c address */
  27         u8 demod_address;
  28
  29         /* request firmware for device */
  30         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  31 };
  32
  33 #if IS_REACHABLE(CONFIG_DVB_BCM3510)
  34 extern struct dvb_frontend* bcm3510_attach(const struct bcm3510_config* config,
  35                                            struct i2c_adapter* i2c);
  36 #else
  37 static inline struct dvb_frontend* bcm3510_attach(const struct bcm3510_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_BCM3510
  44
  45 #endif