drivers/media/dvb-frontends/lg2160.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *    Support for LG2160 - ATSC/MH
   4  *
   5  *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
   6  */
   7
   8 #ifndef _LG2160_H_
   9 #define _LG2160_H_
  10
  11 #include <linux/i2c.h>
  12 #include <media/dvb_frontend.h>
  13
  14 enum lg_chip_type {
  15         LG2160 = 0,
  16         LG2161 = 1,
  17 };
  18
  19 #define LG2161_1019 LG2161
  20 #define LG2161_1040 LG2161
  21
  22 enum lg2160_spi_clock {
  23         LG2160_SPI_3_125_MHZ = 0,
  24         LG2160_SPI_6_25_MHZ = 1,
  25         LG2160_SPI_12_5_MHZ = 2,
  26 };
  27
  28 #if 0
  29 enum lg2161_oif {
  30         LG2161_OIF_EBI2_SLA  = 1,
  31         LG2161_OIF_SDIO_SLA  = 2,
  32         LG2161_OIF_SPI_SLA   = 3,
  33         LG2161_OIF_SPI_MAS   = 4,
  34         LG2161_OIF_SERIAL_TS = 7,
  35 };
  36 #endif
  37
  38 struct lg2160_config {
  39         u8 i2c_addr;
  40
  41         /* user defined IF frequency in KHz */
  42         u16 if_khz;
  43
  44         /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
  45         unsigned int deny_i2c_rptr:1;
  46
  47         /* spectral inversion - 0:disabled 1:enabled */
  48         unsigned int spectral_inversion:1;
  49
  50         unsigned int output_if;
  51         enum lg2160_spi_clock spi_clock;
  52         enum lg_chip_type lg_chip;
  53 };
  54
  55 #if IS_REACHABLE(CONFIG_DVB_LG2160)
  56 extern
  57 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  58                                      struct i2c_adapter *i2c_adap);
  59 #else
  60 static inline
  61 struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  62                                      struct i2c_adapter *i2c_adap)
  63 {
  64         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  65         return NULL;
  66 }
  67 #endif /* CONFIG_DVB_LG2160 */
  68
  69 #endif /* _LG2160_H_ */