drivers/media/dvb/frontends/cxd2820r.h

   1 /*
   2  * Sony CXD2820R demodulator driver
   3  *
   4  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
   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 along
  17  *    with this program; if not, write to the Free Software Foundation, Inc.,
  18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21
  22 #ifndef CXD2820R_H
  23 #define CXD2820R_H
  24
  25 #include <linux/dvb/frontend.h>
  26
  27 #define CXD2820R_GPIO_D (0 << 0) /* disable */
  28 #define CXD2820R_GPIO_E (1 << 0) /* enable */
  29 #define CXD2820R_GPIO_O (0 << 1) /* output */
  30 #define CXD2820R_GPIO_I (1 << 1) /* input */
  31 #define CXD2820R_GPIO_L (0 << 2) /* output low */
  32 #define CXD2820R_GPIO_H (1 << 2) /* output high */
  33
  34 #define CXD2820R_TS_SERIAL        0x08
  35 #define CXD2820R_TS_SERIAL_MSB    0x28
  36 #define CXD2820R_TS_PARALLEL      0x30
  37 #define CXD2820R_TS_PARALLEL_MSB  0x70
  38
  39 struct cxd2820r_config {
  40         /* Demodulator I2C address.
  41          * Driver determines DVB-C slave I2C address automatically from master
  42          * address.
  43          * Default: none, must set
  44          * Values: 0x6c, 0x6d
  45          */
  46         u8 i2c_address;
  47
  48         /* TS output mode.
  49          * Default: none, must set.
  50          * Values:
  51          */
  52         u8 ts_mode;
  53
  54         /* IF AGC polarity.
  55          * Default: 0
  56          * Values: 0, 1
  57          */
  58         bool if_agc_polarity;
  59
  60         /* Spectrum inversion.
  61          * Default: 0
  62          * Values: 0, 1
  63          */
  64         bool spec_inv;
  65
  66         /* GPIOs for all used modes.
  67          * Default: none, disabled
  68          * Values: <see above>
  69          */
  70         u8 gpio_dvbt[3];
  71         u8 gpio_dvbt2[3];
  72         u8 gpio_dvbc[3];
  73 };
  74
  75
  76 #if defined(CONFIG_DVB_CXD2820R) || \
  77         (defined(CONFIG_DVB_CXD2820R_MODULE) && defined(MODULE))
  78 extern struct dvb_frontend *cxd2820r_attach(
  79         const struct cxd2820r_config *config,
  80         struct i2c_adapter *i2c
  81 );
  82 #else
  83 static inline struct dvb_frontend *cxd2820r_attach(
  84         const struct cxd2820r_config *config,
  85         struct i2c_adapter *i2c
  86 )
  87 {
  88         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  89         return NULL;
  90 }
  91
  92 #endif
  93
  94 #endif /* CXD2820R_H */