drivers/media/dvb-frontends/m88rs2000.h

   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 "dvb_frontend.h"
  25
  26 struct m88rs2000_config {
  27         /* Demodulator i2c address */
  28         u8 demod_addr;
  29         /* Tuner address */
  30         u8 tuner_addr;
  31
  32         u8 *inittab;
  33
  34         /* minimum delay before retuning */
  35         int min_delay_ms;
  36
  37         int (*set_ts_params)(struct dvb_frontend *, int);
  38 };
  39
  40 enum {
  41         CALL_IS_SET_FRONTEND = 0x0,
  42         CALL_IS_READ,
  43 };
  44
  45 #if defined(CONFIG_DVB_M88RS2000) || (defined(CONFIG_DVB_M88RS2000_MODULE) && \
  46                                                         defined(MODULE))
  47 extern struct dvb_frontend *m88rs2000_attach(
  48         const struct m88rs2000_config *config, struct i2c_adapter *i2c);
  49 #else
  50 static inline struct dvb_frontend *m88rs2000_attach(
  51         const struct m88rs2000_config *config, struct i2c_adapter *i2c)
  52 {
  53         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  54         return NULL;
  55 }
  56 #endif /* CONFIG_DVB_M88RS2000 */
  57
  58 #define FE_CRYSTAL_KHZ 27000
  59 #define FREQ_OFFSET_LOW_SYM_RATE 3000
  60
  61 enum {
  62         DEMOD_WRITE = 0x1,
  63         TUNER_WRITE,
  64         WRITE_DELAY = 0x10,
  65 };
  66 #endif /* M88RS2000_H */