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 #include <linux/gpio.h>
  30
  31 struct reg_val_mask {
  32         u32 reg;
  33         u8  val;
  34         u8  mask;
  35 };
  36
  37 struct cxd2820r_priv {
  38         struct i2c_adapter *i2c;
  39         struct dvb_frontend fe;
  40         struct cxd2820r_config cfg;
  41
  42         bool ber_running;
  43
  44         u8 bank[2];
  45 #define GPIO_COUNT 3
  46         u8 gpio[GPIO_COUNT];
  47 #ifdef CONFIG_GPIOLIB
  48         struct gpio_chip gpio_chip;
  49 #endif
  50
  51         fe_delivery_system_t delivery_system;
  52         bool last_tune_failed; /* for switch between T and T2 tune */
  53 };
  54
  55 /* cxd2820r_core.c */
  56
  57 extern int cxd2820r_debug;
  58
  59 int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
  60
  61 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
  62         u8 mask);
  63
  64 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  65         int len);
  66
  67 u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
  68
  69 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  70         int len);
  71
  72 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  73         int len);
  74
  75 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
  76
  77 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
  78
  79 /* cxd2820r_c.c */
  80
  81 int cxd2820r_get_frontend_c(struct dvb_frontend *fe);
  82
  83 int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
  84
  85 int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
  86
  87 int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
  88
  89 int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
  90
  91 int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
  92
  93 int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
  94
  95 int cxd2820r_init_c(struct dvb_frontend *fe);
  96
  97 int cxd2820r_sleep_c(struct dvb_frontend *fe);
  98
  99 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
 100         struct dvb_frontend_tune_settings *s);
 101
 102 /* cxd2820r_t.c */
 103
 104 int cxd2820r_get_frontend_t(struct dvb_frontend *fe);
 105
 106 int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
 107
 108 int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
 109
 110 int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
 111
 112 int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
 113
 114 int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
 115
 116 int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
 117
 118 int cxd2820r_init_t(struct dvb_frontend *fe);
 119
 120 int cxd2820r_sleep_t(struct dvb_frontend *fe);
 121
 122 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
 123         struct dvb_frontend_tune_settings *s);
 124
 125 /* cxd2820r_t2.c */
 126
 127 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe);
 128
 129 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
 130
 131 int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
 132
 133 int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
 134
 135 int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
 136
 137 int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
 138
 139 int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
 140
 141 int cxd2820r_init_t2(struct dvb_frontend *fe);
 142
 143 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
 144
 145 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
 146         struct dvb_frontend_tune_settings *s);
 147
 148 #endif /* CXD2820R_PRIV_H */