drivers/media/tuners/si2157_priv.h

   1 /*
   2  * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver
   3  *
   4  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
   5  *
   6  *    This program is free software; you can redistribute it and/or modify
   7  *    it under the terms of the GNU General Public License as published by
   8  *    the Free Software Foundation; either version 2 of the License, or
   9  *    (at your option) any later version.
  10  *
  11  *    This program is distributed in the hope that it will be useful,
  12  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *    GNU General Public License for more details.
  15  */
  16
  17 #ifndef SI2157_PRIV_H
  18 #define SI2157_PRIV_H
  19
  20 #include <linux/firmware.h>
  21 #include "si2157.h"
  22
  23 /* state struct */
  24 struct si2157_dev {
  25         struct mutex i2c_mutex;
  26         struct dvb_frontend *fe;
  27         bool active;
  28         bool fw_loaded;
  29         bool inversion;
  30         u8 chiptype;
  31         u8 if_port;
  32         u32 if_frequency;
  33         struct delayed_work stat_work;
  34 };
  35
  36 #define SI2157_CHIPTYPE_SI2157 0
  37 #define SI2157_CHIPTYPE_SI2146 1
  38
  39 /* firmware command struct */
  40 #define SI2157_ARGLEN      30
  41 struct si2157_cmd {
  42         u8 args[SI2157_ARGLEN];
  43         unsigned wlen;
  44         unsigned rlen;
  45 };
  46
  47 #define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
  48
  49 #endif