drivers/media/dvb-frontends/s5h1432.h

   1 /*
   2  *  Samsung s5h1432 VSB/QAM demodulator driver
   3  *
   4  *  Copyright (C) 2009 Bill Liu <Bill.Liu@Conexant.com>
   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 __S5H1432_H__
  23 #define __S5H1432_H__
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27
  28 #define S5H1432_I2C_TOP_ADDR (0x02 >> 1)
  29
  30 #define TAIWAN_HI_IF_FREQ_44_MHZ 44000000
  31 #define EUROPE_HI_IF_FREQ_36_MHZ 36000000
  32 #define IF_FREQ_6_MHZ             6000000
  33 #define IF_FREQ_3point3_MHZ       3300000
  34 #define IF_FREQ_3point5_MHZ       3500000
  35 #define IF_FREQ_4_MHZ             4000000
  36
  37 struct s5h1432_config {
  38
  39         /* serial/parallel output */
  40 #define S5H1432_PARALLEL_OUTPUT 0
  41 #define S5H1432_SERIAL_OUTPUT   1
  42         u8 output_mode;
  43
  44         /* GPIO Setting */
  45 #define S5H1432_GPIO_OFF 0
  46 #define S5H1432_GPIO_ON  1
  47         u8 gpio;
  48
  49         /* MPEG signal timing */
  50 #define S5H1432_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
  51 #define S5H1432_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
  52 #define S5H1432_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
  53 #define S5H1432_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
  54         u16 mpeg_timing;
  55
  56         /* IF Freq for QAM and VSB in KHz */
  57 #define S5H1432_IF_3250  3250
  58 #define S5H1432_IF_3500  3500
  59 #define S5H1432_IF_4000  4000
  60 #define S5H1432_IF_5380  5380
  61 #define S5H1432_IF_44000 44000
  62 #define S5H1432_VSB_IF_DEFAULT s5h1432_IF_44000
  63 #define S5H1432_QAM_IF_DEFAULT s5h1432_IF_44000
  64         u16 qam_if;
  65         u16 vsb_if;
  66
  67         /* Spectral Inversion */
  68 #define S5H1432_INVERSION_OFF 0
  69 #define S5H1432_INVERSION_ON  1
  70         u8 inversion;
  71
  72         /* Return lock status based on tuner lock, or demod lock */
  73 #define S5H1432_TUNERLOCKING 0
  74 #define S5H1432_DEMODLOCKING 1
  75         u8 status_mode;
  76 };
  77
  78 #if IS_ENABLED(CONFIG_DVB_S5H1432)
  79 extern struct dvb_frontend *s5h1432_attach(const struct s5h1432_config *config,
  80                                            struct i2c_adapter *i2c);
  81 #else
  82 static inline struct dvb_frontend *s5h1432_attach(const struct s5h1432_config
  83                                                   *config,
  84                                                   struct i2c_adapter *i2c)
  85 {
  86         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  87         return NULL;
  88 }
  89 #endif /* CONFIG_DVB_s5h1432 */
  90
  91 #endif /* __s5h1432_H__ */