drivers/media/dvb-frontends/stv090x.h

   1 /*
   2         STV0900/0903 Multistandard Broadcast Frontend driver
   3         Copyright (C) Manu Abraham <abraham.manu@gmail.com>
   4
   5         Copyright (C) ST Microelectronics
   6
   7         This program is free software; you can redistribute it and/or modify
   8         it under the terms of the GNU General Public License as published by
   9         the Free Software Foundation; either version 2 of the License, or
  10         (at your option) any later version.
  11
  12         This program is distributed in the hope that it will be useful,
  13         but WITHOUT ANY WARRANTY; without even the implied warranty of
  14         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15         GNU General Public License for more details.
  16
  17         You should have received a copy of the GNU General Public License
  18         along with this program; if not, write to the Free Software
  19         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #ifndef __STV090x_H
  23 #define __STV090x_H
  24
  25 enum stv090x_demodulator {
  26         STV090x_DEMODULATOR_0 = 1,
  27         STV090x_DEMODULATOR_1
  28 };
  29
  30 enum stv090x_device {
  31         STV0903 =  0,
  32         STV0900,
  33 };
  34
  35 enum stv090x_mode {
  36         STV090x_DUAL = 0,
  37         STV090x_SINGLE
  38 };
  39
  40 enum stv090x_tsmode {
  41         STV090x_TSMODE_SERIAL_PUNCTURED = 1,
  42         STV090x_TSMODE_SERIAL_CONTINUOUS,
  43         STV090x_TSMODE_PARALLEL_PUNCTURED,
  44         STV090x_TSMODE_DVBCI
  45 };
  46
  47 enum stv090x_clkmode {
  48         STV090x_CLK_INT = 0, /* Clk i/p = CLKI */
  49         STV090x_CLK_EXT = 2 /* Clk i/p = XTALI */
  50 };
  51
  52 enum stv090x_i2crpt {
  53         STV090x_RPTLEVEL_256    = 0,
  54         STV090x_RPTLEVEL_128    = 1,
  55         STV090x_RPTLEVEL_64     = 2,
  56         STV090x_RPTLEVEL_32     = 3,
  57         STV090x_RPTLEVEL_16     = 4,
  58         STV090x_RPTLEVEL_8      = 5,
  59         STV090x_RPTLEVEL_4      = 6,
  60         STV090x_RPTLEVEL_2      = 7,
  61 };
  62
  63 enum stv090x_adc_range {
  64         STV090x_ADC_2Vpp        = 0,
  65         STV090x_ADC_1Vpp        = 1
  66 };
  67
  68 struct stv090x_config {
  69         enum stv090x_device     device;
  70         enum stv090x_mode       demod_mode;
  71         enum stv090x_clkmode    clk_mode;
  72
  73         u32 xtal; /* default: 8000000 */
  74         u8 address; /* default: 0x68 */
  75
  76         u8 ts1_mode;
  77         u8 ts2_mode;
  78         u32 ts1_clk;
  79         u32 ts2_clk;
  80
  81         u8 ts1_tei : 1;
  82         u8 ts2_tei : 1;
  83
  84         enum stv090x_i2crpt     repeater_level;
  85
  86         u8                      tuner_bbgain; /* default: 10db */
  87         enum stv090x_adc_range  adc1_range; /* default: 2Vpp */
  88         enum stv090x_adc_range  adc2_range; /* default: 2Vpp */
  89
  90         bool diseqc_envelope_mode;
  91
  92         int (*tuner_init) (struct dvb_frontend *fe);
  93         int (*tuner_sleep) (struct dvb_frontend *fe);
  94         int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
  95         int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
  96         int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
  97         int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
  98         int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
  99         int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
 100         int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
 101         int (*tuner_set_refclk)  (struct dvb_frontend *fe, u32 refclk);
 102         int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
 103         void (*tuner_i2c_lock) (struct dvb_frontend *fe, int lock);
 104 };
 105
 106 #if IS_ENABLED(CONFIG_DVB_STV090x)
 107
 108 extern struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
 109                                            struct i2c_adapter *i2c,
 110                                            enum stv090x_demodulator demod);
 111
 112 /* dir = 0 -> output, dir = 1 -> input/open-drain */
 113 extern int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
 114                 u8 dir, u8 value, u8 xor_value);
 115
 116 #else
 117
 118 static inline struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
 119                                                   struct i2c_adapter *i2c,
 120                                                   enum stv090x_demodulator demod)
 121 {
 122         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 123         return NULL;
 124 }
 125
 126 static inline int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio,
 127                 u8 opd, u8 value, u8 xor_value)
 128 {
 129         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 130         return -ENODEV;
 131 }
 132 #endif /* CONFIG_DVB_STV090x */
 133
 134 #endif /* __STV090x_H */