linux/drivers/media/dvb-frontends/m88rs2000.h
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   1/*
   2        Driver for M88RS2000 demodulator
   3
   4        This program is free software; you can redistribute it and/or modify
   5        it under the terms of the GNU General Public License as published by
   6        the Free Software Foundation; either version 2 of the License, or
   7        (at your option) any later version.
   8
   9        This program is distributed in the hope that it will be useful,
  10        but WITHOUT ANY WARRANTY; without even the implied warranty of
  11        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12        GNU General Public License for more details.
  13
  14        You should have received a copy of the GNU General Public License
  15        along with this program; if not, write to the Free Software
  16        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18*/
  19
  20#ifndef M88RS2000_H
  21#define M88RS2000_H
  22
  23#include <linux/dvb/frontend.h>
  24#include <media/dvb_frontend.h>
  25
  26struct m88rs2000_config {
  27        /* Demodulator i2c address */
  28        u8 demod_addr;
  29
  30        u8 *inittab;
  31
  32        /* minimum delay before retuning */
  33        int min_delay_ms;
  34
  35        int (*set_ts_params)(struct dvb_frontend *, int);
  36};
  37
  38enum {
  39        CALL_IS_SET_FRONTEND = 0x0,
  40        CALL_IS_READ,
  41};
  42
  43#if IS_REACHABLE(CONFIG_DVB_M88RS2000)
  44extern struct dvb_frontend *m88rs2000_attach(
  45        const struct m88rs2000_config *config, struct i2c_adapter *i2c);
  46#else
  47static inline struct dvb_frontend *m88rs2000_attach(
  48        const struct m88rs2000_config *config, struct i2c_adapter *i2c)
  49{
  50        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  51        return NULL;
  52}
  53#endif /* CONFIG_DVB_M88RS2000 */
  54
  55#define RS2000_FE_CRYSTAL_KHZ 27000
  56
  57enum {
  58        DEMOD_WRITE = 0x1,
  59        WRITE_DELAY = 0x10,
  60};
  61#endif /* M88RS2000_H */
  62