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
  29 enum lg_chip_type {
  30         LG2160 = 0,
  31         LG2161 = 1,
  32 };
  33
  34 #define LG2161_1019 LG2161
  35 #define LG2161_1040 LG2161
  36
  37 enum 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
  44 enum 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
  53 struct 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)
  71 extern
  72 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  73                                      struct i2c_adapter *i2c_adap);
  74 #else
  75 static inline
  76 struct 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_ */