drivers/media/dvb-frontends/stv6110x.h

   1 /*
   2         STV6110(A) Silicon tuner driver
   3
   4         Copyright (C) Manu Abraham <abraham.manu@gmail.com>
   5
   6         Copyright (C) ST Microelectronics
   7
   8         This program is free software; you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation; either version 2 of the License, or
  11         (at your option) any later version.
  12
  13         This program is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with this program; if not, write to the Free Software
  20         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #ifndef __STV6110x_H
  24 #define __STV6110x_H
  25
  26 struct stv6110x_config {
  27         u8      addr;
  28         u32     refclk;
  29         u8      clk_div; /* divisor value for the output clock */
  30 };
  31
  32 enum tuner_mode {
  33         TUNER_SLEEP = 1,
  34         TUNER_WAKE,
  35 };
  36
  37 enum tuner_status {
  38         TUNER_PHASELOCKED = 1,
  39 };
  40
  41 struct stv6110x_devctl {
  42         int (*tuner_init) (struct dvb_frontend *fe);
  43         int (*tuner_sleep) (struct dvb_frontend *fe);
  44         int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
  45         int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
  46         int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
  47         int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
  48         int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
  49         int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
  50         int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
  51         int (*tuner_set_refclk)  (struct dvb_frontend *fe, u32 refclk);
  52         int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
  53 };
  54
  55
  56 #if IS_ENABLED(CONFIG_DVB_STV6110x)
  57
  58 extern struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  59                                                const struct stv6110x_config *config,
  60                                                struct i2c_adapter *i2c);
  61
  62 #else
  63 static inline struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  64                                                       const struct stv6110x_config *config,
  65                                                       struct i2c_adapter *i2c)
  66 {
  67         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  68         return NULL;
  69 }
  70
  71 #endif /* CONFIG_DVB_STV6110x */
  72
  73 #endif /* __STV6110x_H */