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  */
  17
  18 #ifndef _LG2160_H_
  19 #define _LG2160_H_
  20
  21 #include <linux/i2c.h>
  22 #include <media/dvb_frontend.h>
  23
  24 enum lg_chip_type {
  25         LG2160 = 0,
  26         LG2161 = 1,
  27 };
  28
  29 #define LG2161_1019 LG2161
  30 #define LG2161_1040 LG2161
  31
  32 enum lg2160_spi_clock {
  33         LG2160_SPI_3_125_MHZ = 0,
  34         LG2160_SPI_6_25_MHZ = 1,
  35         LG2160_SPI_12_5_MHZ = 2,
  36 };
  37
  38 #if 0
  39 enum lg2161_oif {
  40         LG2161_OIF_EBI2_SLA  = 1,
  41         LG2161_OIF_SDIO_SLA  = 2,
  42         LG2161_OIF_SPI_SLA   = 3,
  43         LG2161_OIF_SPI_MAS   = 4,
  44         LG2161_OIF_SERIAL_TS = 7,
  45 };
  46 #endif
  47
  48 struct lg2160_config {
  49         u8 i2c_addr;
  50
  51         /* user defined IF frequency in KHz */
  52         u16 if_khz;
  53
  54         /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
  55         unsigned int deny_i2c_rptr:1;
  56
  57         /* spectral inversion - 0:disabled 1:enabled */
  58         unsigned int spectral_inversion:1;
  59
  60         unsigned int output_if;
  61         enum lg2160_spi_clock spi_clock;
  62         enum lg_chip_type lg_chip;
  63 };
  64
  65 #if IS_REACHABLE(CONFIG_DVB_LG2160)
  66 extern
  67 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  68                                      struct i2c_adapter *i2c_adap);
  69 #else
  70 static inline
  71 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  72                                      struct i2c_adapter *i2c_adap)
  73 {
  74         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  75         return NULL;
  76 }
  77 #endif /* CONFIG_DVB_LG2160 */
  78
  79 #endif /* _LG2160_H_ */