drivers/media/tuners/tda8290.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3 */
   4
   5 #ifndef __TDA8290_H__
   6 #define __TDA8290_H__
   7
   8 #include <linux/i2c.h>
   9 #include <media/dvb_frontend.h>
  10 #include "tda18271.h"
  11
  12 enum tda8290_lna {
  13         TDA8290_LNA_OFF = 0,
  14         TDA8290_LNA_GP0_HIGH_ON = 1,
  15         TDA8290_LNA_GP0_HIGH_OFF = 2,
  16         TDA8290_LNA_ON_BRIDGE = 3,
  17 };
  18
  19 struct tda829x_config {
  20         enum tda8290_lna lna_cfg;
  21
  22         unsigned int probe_tuner:1;
  23 #define TDA829X_PROBE_TUNER 0
  24 #define TDA829X_DONT_PROBE  1
  25         unsigned int no_i2c_gate:1;
  26         struct tda18271_std_map *tda18271_std_map;
  27 };
  28
  29 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA8290)
  30 extern int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr);
  31
  32 extern struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  33                                            struct i2c_adapter *i2c_adap,
  34                                            u8 i2c_addr,
  35                                            struct tda829x_config *cfg);
  36 #else
  37 static inline int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
  38 {
  39         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  40         return -EINVAL;
  41 }
  42
  43 static inline struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  44                                                   struct i2c_adapter *i2c_adap,
  45                                                   u8 i2c_addr,
  46                                                   struct tda829x_config *cfg)
  47 {
  48         printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  49                __func__);
  50         return NULL;
  51 }
  52 #endif
  53
  54 #endif /* __TDA8290_H__ */