LXR linux/drivers/media/dvb-frontends/s5h1409.h

   1/*
   2    Samsung S5H1409 VSB/QAM demodulator driver
   3
   4    Copyright (C) 2006 Steven Toth <stoth@linuxtv.org>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19
  20*/
  21
  22#ifndef __S5H1409_H__
  23#define __S5H1409_H__
  24
  25#include <linux/kconfig.h>
  26#include <linux/dvb/frontend.h>
  27
  28struct s5h1409_config {
  29        /* the demodulator's i2c address */
  30        u8 demod_address;
  31
  32        /* serial/parallel output */
  33#define S5H1409_PARALLEL_OUTPUT 0
  34#define S5H1409_SERIAL_OUTPUT   1
  35        u8 output_mode;
  36
  37        /* GPIO Setting */
  38#define S5H1409_GPIO_OFF 0
  39#define S5H1409_GPIO_ON  1
  40        u8 gpio;
  41
  42        /* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
  43        u16 qam_if;
  44
  45        /* Spectral Inversion */
  46#define S5H1409_INVERSION_OFF 0
  47#define S5H1409_INVERSION_ON  1
  48        u8 inversion;
  49
  50        /* Return lock status based on tuner lock, or demod lock */
  51#define S5H1409_TUNERLOCKING 0
  52#define S5H1409_DEMODLOCKING 1
  53        u8 status_mode;
  54
  55        /* MPEG signal timing */
  56#define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
  57#define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
  58#define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
  59#define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
  60        u16 mpeg_timing;
  61
  62        /* HVR-1600 optimizations (to better work with MXL5005s)
  63           Note: some of these are likely to be folded into the generic driver
  64           after being regression tested with other boards */
  65#define S5H1409_HVR1600_NOOPTIMIZE 0
  66#define S5H1409_HVR1600_OPTIMIZE   1
  67        u8 hvr1600_opt;
  68};
  69
  70#if IS_ENABLED(CONFIG_DVB_S5H1409)
  71extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
  72                                           struct i2c_adapter *i2c);
  73#else
  74static inline struct dvb_frontend *s5h1409_attach(
  75        const struct s5h1409_config *config,
  76        struct i2c_adapter *i2c)
  77{
  78        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  79        return NULL;
  80}
  81#endif /* CONFIG_DVB_S5H1409 */
  82
  83#endif /* __S5H1409_H__ */
  84
  85/*
  86 * Local variables:
  87 * c-basic-offset: 8
  88 */
  89