drivers/media/tuners/tua9001.h

   1 /*
   2  * Infineon TUA9001 silicon tuner driver
   3  *
   4  * Copyright (C) 2009 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 TUA9001_H
  18 #define TUA9001_H
  19
  20 #include <media/dvb_frontend.h>
  21
  22 /*
  23  * I2C address
  24  * 0x60,
  25  */
  26
  27 /**
  28  * struct tua9001_platform_data - Platform data for the tua9001 driver
  29  * @dvb_frontend: DVB frontend.
  30  */
  31 struct tua9001_platform_data {
  32         struct dvb_frontend *dvb_frontend;
  33 };
  34
  35 /*
  36  * TUA9001 I/O PINs:
  37  *
  38  * CEN - chip enable
  39  * 0 = chip disabled (chip off)
  40  * 1 = chip enabled (chip on)
  41  *
  42  * RESETN - chip reset
  43  * 0 = reset disabled (chip reset off)
  44  * 1 = reset enabled (chip reset on)
  45  *
  46  * RXEN - RX enable
  47  * 0 = RX disabled (chip idle)
  48  * 1 = RX enabled (chip tuned)
  49  */
  50
  51 #define TUA9001_CMD_CEN     0
  52 #define TUA9001_CMD_RESETN  1
  53 #define TUA9001_CMD_RXEN    2
  54
  55 #endif