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
  31 struct 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_REACHABLE(CONFIG_DVB_S5H1411)
  73 extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
  74                                            struct i2c_adapter *i2c);
  75 #else
  76 static 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__ */