drivers/media/dvb-frontends/drxd.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * drxd.h: DRXD DVB-T demodulator driver
   4  *
   5  * Copyright (C) 2005-2007 Micronas
   6  */
   7
   8 #ifndef _DRXD_H_
   9 #define _DRXD_H_
  10
  11 #include <linux/types.h>
  12 #include <linux/i2c.h>
  13
  14 struct drxd_config {
  15         u8 index;
  16
  17         u8 pll_address;
  18         u8 pll_type;
  19 #define DRXD_PLL_NONE     0
  20 #define DRXD_PLL_DTT7520X 1
  21 #define DRXD_PLL_MT3X0823 2
  22
  23         u32 clock;
  24         u8 insert_rs_byte;
  25
  26         u8 demod_address;
  27         u8 demoda_address;
  28         u8 demod_revision;
  29
  30         /* If the tuner is not behind an i2c gate, be sure to flip this bit
  31            or else the i2c bus could get wedged */
  32         u8 disable_i2c_gate_ctrl;
  33
  34         u32 IF;
  35          s16(*osc_deviation) (void *priv, s16 dev, int flag);
  36 };
  37
  38 #if IS_REACHABLE(CONFIG_DVB_DRXD)
  39 extern
  40 struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  41                                  void *priv, struct i2c_adapter *i2c,
  42                                  struct device *dev);
  43 #else
  44 static inline
  45 struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  46                                  void *priv, struct i2c_adapter *i2c,
  47                                  struct device *dev)
  48 {
  49         printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  50                __func__);
  51         return NULL;
  52 }
  53 #endif
  54
  55 #endif