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  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22 #ifndef BCM3510_H
  23 #define BCM3510_H
  24
  25 #include <linux/dvb/frontend.h>
  26 #include <linux/firmware.h>
  27
  28 struct bcm3510_config
  29 {
  30         /* the demodulator's i2c address */
  31         u8 demod_address;
  32
  33         /* request firmware for device */
  34         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  35 };
  36
  37 #if IS_REACHABLE(CONFIG_DVB_BCM3510)
  38 extern struct dvb_frontend* bcm3510_attach(const struct bcm3510_config* config,
  39                                            struct i2c_adapter* i2c);
  40 #else
  41 static inline struct dvb_frontend* bcm3510_attach(const struct bcm3510_config* config,
  42                                                   struct i2c_adapter* i2c)
  43 {
  44         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  45         return NULL;
  46 }
  47 #endif // CONFIG_DVB_BCM3510
  48
  49 #endif