drivers/media/dvb/frontends/cxd2820r_priv.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_PRIV_H
  23 #define CXD2820R_PRIV_H
  24
  25 #include <linux/dvb/version.h>
  26 #include "dvb_frontend.h"
  27 #include "dvb_math.h"
  28 #include "cxd2820r.h"
  29
  30 #define LOG_PREFIX "cxd2820r"
  31
  32 #undef dbg
  33 #define dbg(f, arg...) \
  34         if (cxd2820r_debug) \
  35                 printk(KERN_INFO   LOG_PREFIX": " f "\n" , ## arg)
  36 #undef err
  37 #define err(f, arg...)  printk(KERN_ERR     LOG_PREFIX": " f "\n" , ## arg)
  38 #undef info
  39 #define info(f, arg...) printk(KERN_INFO    LOG_PREFIX": " f "\n" , ## arg)
  40 #undef warn
  41 #define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg)
  42
  43 struct reg_val_mask {
  44         u32 reg;
  45         u8  val;
  46         u8  mask;
  47 };
  48
  49 struct cxd2820r_priv {
  50         struct i2c_adapter *i2c;
  51         struct dvb_frontend fe[2];
  52         struct cxd2820r_config cfg;
  53         struct i2c_adapter tuner_i2c_adapter;
  54
  55         struct mutex fe_lock; /* FE lock */
  56         int active_fe:2; /* FE lock, -1=NONE, 0=DVB-T/T2, 1=DVB-C */
  57
  58         bool ber_running;
  59
  60         u8 bank[2];
  61         u8 gpio[3];
  62
  63         fe_delivery_system_t delivery_system;
  64         bool last_tune_failed; /* for switch between T and T2 tune */
  65 };
  66
  67 /* cxd2820r_core.c */
  68
  69 extern int cxd2820r_debug;
  70
  71 int cxd2820r_gpio(struct dvb_frontend *fe);
  72
  73 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
  74         u8 mask);
  75
  76 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  77         int len);
  78
  79 u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
  80
  81 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  82         int len);
  83
  84 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  85         int len);
  86
  87 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
  88
  89 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
  90
  91 /* cxd2820r_c.c */
  92
  93 int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
  94         struct dvb_frontend_parameters *p);
  95
  96 int cxd2820r_set_frontend_c(struct dvb_frontend *fe,
  97         struct dvb_frontend_parameters *params);
  98
  99 int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
 100
 101 int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
 102
 103 int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
 104
 105 int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
 106
 107 int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
 108
 109 int cxd2820r_init_c(struct dvb_frontend *fe);
 110
 111 int cxd2820r_sleep_c(struct dvb_frontend *fe);
 112
 113 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
 114         struct dvb_frontend_tune_settings *s);
 115
 116 /* cxd2820r_t.c */
 117
 118 int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
 119         struct dvb_frontend_parameters *p);
 120
 121 int cxd2820r_set_frontend_t(struct dvb_frontend *fe,
 122         struct dvb_frontend_parameters *params);
 123
 124 int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
 125
 126 int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
 127
 128 int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
 129
 130 int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
 131
 132 int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
 133
 134 int cxd2820r_init_t(struct dvb_frontend *fe);
 135
 136 int cxd2820r_sleep_t(struct dvb_frontend *fe);
 137
 138 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
 139         struct dvb_frontend_tune_settings *s);
 140
 141 /* cxd2820r_t2.c */
 142
 143 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
 144         struct dvb_frontend_parameters *p);
 145
 146 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe,
 147         struct dvb_frontend_parameters *params);
 148
 149 int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
 150
 151 int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
 152
 153 int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
 154
 155 int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
 156
 157 int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
 158
 159 int cxd2820r_init_t2(struct dvb_frontend *fe);
 160
 161 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
 162
 163 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
 164         struct dvb_frontend_tune_settings *s);
 165
 166 #endif /* CXD2820R_PRIV_H */