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 <media/v4l2-mc.h>
  22 #include "si2157.h"
  23
  24 /* state struct */
  25 struct si2157_dev {
  26         struct mutex i2c_mutex;
  27         struct dvb_frontend *fe;
  28         bool active;
  29         bool inversion;
  30         u8 chiptype;
  31         u8 if_port;
  32         u32 if_frequency;
  33         struct delayed_work stat_work;
  34
  35 #if defined(CONFIG_MEDIA_CONTROLLER)
  36         struct media_device     *mdev;
  37         struct media_entity     ent;
  38         struct media_pad        pad[TUNER_NUM_PADS];
  39 #endif
  40
  41 };
  42
  43 #define SI2157_CHIPTYPE_SI2157 0
  44 #define SI2157_CHIPTYPE_SI2146 1
  45
  46 /* firmware command struct */
  47 #define SI2157_ARGLEN      30
  48 struct si2157_cmd {
  49         u8 args[SI2157_ARGLEN];
  50         unsigned wlen;
  51         unsigned rlen;
  52 };
  53
  54 #define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"
  55
  56 #endif