linux/drivers/media/dvb-frontends/zl10353.h
<<
>>
Prefs
   1/*
   2 *  Driver for Zarlink DVB-T ZL10353 demodulator
   3 *
   4 *  Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au>
   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 *
  15 *  GNU General Public License for more details.
  16 *
  17 *  You should have received a copy of the GNU General Public License
  18 *  along with this program; if not, write to the Free Software
  19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
  20 */
  21
  22#ifndef ZL10353_H
  23#define ZL10353_H
  24
  25#include <linux/dvb/frontend.h>
  26
  27struct zl10353_config
  28{
  29        /* demodulator's I2C address */
  30        u8 demod_address;
  31
  32        /* frequencies in units of 0.1kHz */
  33        int adc_clock;  /* default: 450560 (45.056  MHz) */
  34        int if2;        /* default: 361667 (36.1667 MHz) */
  35
  36        /* set if no pll is connected to the secondary i2c bus */
  37        int no_tuner;
  38
  39        /* set if parallel ts output is required */
  40        int parallel_ts;
  41
  42        /* set if i2c_gate_ctrl disable is required */
  43        u8 disable_i2c_gate_ctrl:1;
  44
  45        /* clock control registers (0x51-0x54) */
  46        u8 clock_ctl_1;  /* default: 0x46 */
  47        u8 pll_0;        /* default: 0x15 */
  48};
  49
  50#if IS_ENABLED(CONFIG_DVB_ZL10353)
  51extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
  52                                           struct i2c_adapter *i2c);
  53#else
  54static inline struct dvb_frontend* zl10353_attach(const struct zl10353_config *config,
  55                                           struct i2c_adapter *i2c)
  56{
  57        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  58        return NULL;
  59}
  60#endif /* CONFIG_DVB_ZL10353 */
  61
  62#endif /* ZL10353_H */
  63