LXR linux/drivers/media/dvb-frontends/s5h1411.h

   1/*
   2    Samsung S5H1411 VSB/QAM demodulator driver
   3
   4    Copyright (C) 2008 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 __S5H1411_H__
  23#define __S5H1411_H__
  24
  25#include <linux/kconfig.h>
  26#include <linux/dvb/frontend.h>
  27
  28#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
  29#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
  30
  31struct s5h1411_config {
  32
  33        /* serial/parallel output */
  34#define S5H1411_PARALLEL_OUTPUT 0
  35#define S5H1411_SERIAL_OUTPUT   1
  36        u8 output_mode;
  37
  38        /* GPIO Setting */
  39#define S5H1411_GPIO_OFF 0
  40#define S5H1411_GPIO_ON  1
  41        u8 gpio;
  42
  43        /* MPEG signal timing */
  44#define S5H1411_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
  45#define S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
  46#define S5H1411_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
  47#define S5H1411_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
  48        u16 mpeg_timing;
  49
  50        /* IF Freq for QAM and VSB in KHz */
  51#define S5H1411_IF_3250  3250
  52#define S5H1411_IF_3500  3500
  53#define S5H1411_IF_4000  4000
  54#define S5H1411_IF_5380  5380
  55#define S5H1411_IF_44000 44000
  56#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
  57#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
  58        u16 qam_if;
  59        u16 vsb_if;
  60
  61        /* Spectral Inversion */
  62#define S5H1411_INVERSION_OFF 0
  63#define S5H1411_INVERSION_ON  1
  64        u8 inversion;
  65
  66        /* Return lock status based on tuner lock, or demod lock */
  67#define S5H1411_TUNERLOCKING 0
  68#define S5H1411_DEMODLOCKING 1
  69        u8 status_mode;
  70};
  71
  72#if IS_ENABLED(CONFIG_DVB_S5H1411)
  73extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
  74                                           struct i2c_adapter *i2c);
  75#else
  76static inline struct dvb_frontend *s5h1411_attach(
  77        const struct s5h1411_config *config,
  78        struct i2c_adapter *i2c)
  79{
  80        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  81        return NULL;
  82}
  83#endif /* CONFIG_DVB_S5H1411 */
  84
  85#endif /* __S5H1411_H__ */
  86
  87/*
  88 * Local variables:
  89 * c-basic-offset: 8
  90 */
  91