//
// Copyright 2010 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#include "usrp1_impl.hpp"
#include "usrp_i2c_addr.h"
#include "../dsp_utils.hpp"
#include "../misc_utils.hpp"
#include <uhd/utils/assert.hpp>
#include <uhd/usrp/dboard_props.hpp>
#include <uhd/usrp/subdev_props.hpp>
#include <boost/bind.hpp>
#include <iostream>

using namespace uhd;
using namespace uhd::usrp;

/***********************************************************************
 * Dboard Initialization
 **********************************************************************/
void usrp1_impl::dboard_init(void)
{
    _rx_db_eeprom = dboard_eeprom_t(
          _iface->read_eeprom(I2C_ADDR_RX_A, 0, dboard_eeprom_t::num_bytes()));

    _tx_db_eeprom = dboard_eeprom_t(
          _iface->read_eeprom(I2C_ADDR_TX_A, 0, dboard_eeprom_t::num_bytes()));


    //create a new dboard interface and manager
    _dboard_iface = make_usrp1_dboard_iface(_iface, _clock_ctrl, _codec_ctrl);

    _dboard_manager = dboard_manager::make(_rx_db_eeprom.id,
                                           _tx_db_eeprom.id,
                                           _dboard_iface);

    //setup the dboard proxies
    _rx_dboard_proxy = wax_obj_proxy::make(
                         boost::bind(&usrp1_impl::rx_dboard_get, this, _1, _2),
                         boost::bind(&usrp1_impl::rx_dboard_set, this, _1, _2));

    _tx_dboard_proxy = wax_obj_proxy::make(
                         boost::bind(&usrp1_impl::tx_dboard_get, this, _1, _2),
                         boost::bind(&usrp1_impl::tx_dboard_set, this, _1, _2));

}
/***********************************************************************
 * Helper functions 
 **********************************************************************/
//static int slot_to_i2c_addr (int slot)
//{
//    switch (slot) {
//    case SLOT_TX_A:
//        return I2C_ADDR_TX_A;
//    case SLOT_RX_A:
//        return I2C_ADDR_RX_A;
//    case SLOT_TX_B:
//        return I2C_ADDR_TX_B;
//    case SLOT_RX_B:
//        return I2C_ADDR_RX_B;
//    default:
//        return -1;
//    }
//}


/***********************************************************************
 * RX Dboard Get
 **********************************************************************/
void usrp1_impl::rx_dboard_get(const wax::obj &key_, wax::obj &val)
{
    wax::obj key; std::string name;
    boost::tie(key, name) = extract_named_prop(key_);

    //handle the get request conditioned on the key
    switch(key.as<dboard_prop_t>()){
    case DBOARD_PROP_NAME:
        val = std::string("usrp1 dboard (rx unit)");
        return;

    case DBOARD_PROP_SUBDEV:
        val = _dboard_manager->get_rx_subdev(name);
        return;

    case DBOARD_PROP_SUBDEV_NAMES:
        val = _dboard_manager->get_rx_subdev_names();
        return;

    case DBOARD_PROP_DBOARD_ID:
        val = _rx_db_eeprom.id;
        return;

    case DBOARD_PROP_DBOARD_IFACE:
        val = _dboard_iface;
        return;

    case DBOARD_PROP_CODEC:
        val = _rx_codec_proxy->get_link();
        return;

    case DBOARD_PROP_GAIN_GROUP:
        val = make_gain_group(_dboard_manager->get_rx_subdev(name),
                              _rx_codec_proxy->get_link());
        return;

    default: UHD_THROW_PROP_GET_ERROR();
    }
}

/***********************************************************************
 * RX Dboard Set
 **********************************************************************/
void usrp1_impl::rx_dboard_set(const wax::obj &key, const wax::obj &val)
{
    switch(key.as<dboard_prop_t>()) {
    case DBOARD_PROP_DBOARD_ID:
        _rx_db_eeprom.id = val.as<dboard_id_t>();
        _iface->write_eeprom(I2C_ADDR_RX_A, 0, 
                             _rx_db_eeprom.get_eeprom_bytes());
        return;

    default:
        UHD_THROW_PROP_SET_ERROR();
    }
}

/***********************************************************************
 * TX Dboard Get
 **********************************************************************/
void usrp1_impl::tx_dboard_get(const wax::obj &key_, wax::obj &val)
{
    wax::obj key; std::string name;
    boost::tie(key, name) = extract_named_prop(key_);

    //handle the get request conditioned on the key
    switch(key.as<dboard_prop_t>()){
    case DBOARD_PROP_NAME:
        val = std::string("usrp1 dboard (tx unit)");
        return;

    case DBOARD_PROP_SUBDEV:
        val = _dboard_manager->get_tx_subdev(name);
        return;

    case DBOARD_PROP_SUBDEV_NAMES:
        val = _dboard_manager->get_tx_subdev_names();
        return;

    case DBOARD_PROP_DBOARD_ID:
        val = _tx_db_eeprom.id;
        return;

    case DBOARD_PROP_DBOARD_IFACE:
        val = _dboard_iface;
        return;

    case DBOARD_PROP_CODEC:
        val = _tx_codec_proxy->get_link();
        return;

    case DBOARD_PROP_GAIN_GROUP:
        val = make_gain_group(_dboard_manager->get_tx_subdev(name),
                              _tx_codec_proxy->get_link());
        return;

    default: UHD_THROW_PROP_GET_ERROR();
    }
}

/***********************************************************************
 * TX Dboard Set
 **********************************************************************/
void usrp1_impl::tx_dboard_set(const wax::obj &key, const wax::obj &val)
{
    switch(key.as<dboard_prop_t>()) {
    case DBOARD_PROP_DBOARD_ID:
        _tx_db_eeprom.id = val.as<dboard_id_t>();
        _iface->write_eeprom(I2C_ADDR_TX_A, 0, _tx_db_eeprom.get_eeprom_bytes());
        return;

    default: UHD_THROW_PROP_SET_ERROR();
    }
}