LXR linux/drivers/media/dvb-frontends/lg2160.h

   1/*
   2 *    Support for LG2160 - ATSC/MH
   3 *
   4 *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
   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 *    You should have received a copy of the GNU General Public License
  17 *    along with this program; if not, write to the Free Software
  18 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 *
  20 */
  21
  22#ifndef _LG2160_H_
  23#define _LG2160_H_
  24
  25#include <linux/kconfig.h>
  26#include <linux/i2c.h>
  27#include "dvb_frontend.h"
  28
  29enum lg_chip_type {
  30        LG2160 = 0,
  31        LG2161 = 1,
  32};
  33
  34#define LG2161_1019 LG2161
  35#define LG2161_1040 LG2161
  36
  37enum lg2160_spi_clock {
  38        LG2160_SPI_3_125_MHZ = 0,
  39        LG2160_SPI_6_25_MHZ = 1,
  40        LG2160_SPI_12_5_MHZ = 2,
  41};
  42
  43#if 0
  44enum lg2161_oif {
  45        LG2161_OIF_EBI2_SLA  = 1,
  46        LG2161_OIF_SDIO_SLA  = 2,
  47        LG2161_OIF_SPI_SLA   = 3,
  48        LG2161_OIF_SPI_MAS   = 4,
  49        LG2161_OIF_SERIAL_TS = 7,
  50};
  51#endif
  52
  53struct lg2160_config {
  54        u8 i2c_addr;
  55
  56        /* user defined IF frequency in KHz */
  57        u16 if_khz;
  58
  59        /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
  60        unsigned int deny_i2c_rptr:1;
  61
  62        /* spectral inversion - 0:disabled 1:enabled */
  63        unsigned int spectral_inversion:1;
  64
  65        unsigned int output_if;
  66        enum lg2160_spi_clock spi_clock;
  67        enum lg_chip_type lg_chip;
  68};
  69
  70#if IS_ENABLED(CONFIG_DVB_LG2160)
  71extern
  72struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  73                                     struct i2c_adapter *i2c_adap);
  74#else
  75static inline
  76struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  77                                     struct i2c_adapter *i2c_adap)
  78{
  79        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  80        return NULL;
  81}
  82#endif /* CONFIG_DVB_LG2160 */
  83
  84#endif /* _LG2160_H_ */
  85