LXR linux/drivers/media/dvb-frontends/cxd2820r

   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
  31struct reg_val_mask {
  32        u32 reg;
  33        u8  val;
  34        u8  mask;
  35};
  36
  37struct 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
  57extern int cxd2820r_debug;
  58
  59int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
  60
  61int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
  62        u8 mask);
  63
  64int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  65        int len);
  66
  67u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
  68
  69int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  70        int len);
  71
  72int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
  73        int len);
  74
  75int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
  76
  77int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
  78
  79/* cxd2820r_c.c */
  80
  81int cxd2820r_get_frontend_c(struct dvb_frontend *fe);
  82
  83int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
  84
  85int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
  86
  87int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
  88
  89int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
  90
  91int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
  92
  93int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
  94
  95int cxd2820r_init_c(struct dvb_frontend *fe);
  96
  97int cxd2820r_sleep_c(struct dvb_frontend *fe);
  98
  99int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
 100        struct dvb_frontend_tune_settings *s);
 101
 102/* cxd2820r_t.c */
 103
 104int cxd2820r_get_frontend_t(struct dvb_frontend *fe);
 105
 106int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
 107
 108int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
 109
 110int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
 111
 112int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
 113
 114int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
 115
 116int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
 117
 118int cxd2820r_init_t(struct dvb_frontend *fe);
 119
 120int cxd2820r_sleep_t(struct dvb_frontend *fe);
 121
 122int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
 123        struct dvb_frontend_tune_settings *s);
 124
 125/* cxd2820r_t2.c */
 126
 127int cxd2820r_get_frontend_t2(struct dvb_frontend *fe);
 128
 129int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
 130
 131int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
 132
 133int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
 134
 135int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
 136
 137int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
 138
 139int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
 140
 141int cxd2820r_init_t2(struct dvb_frontend *fe);
 142
 143int cxd2820r_sleep_t2(struct dvb_frontend *fe);
 144
 145int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
 146        struct dvb_frontend_tune_settings *s);
 147
 148#endif /* CXD2820R_PRIV_H */
 149