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/*
* This file is part of the bladeRF project:
* http://www.github.com/nuand/bladeRF
*
* Copyright (C) 2018 Nuand LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef BLADERF_NIOS_BUILD
#include "devices.h"
#endif // BLADERF_NIOS_BUILD
/* Avoid building this in low-memory situations */
#if !defined(BLADERF_NIOS_BUILD) || defined(BLADERF_NIOS_LIBAD936X)
#if !defined(BLADERF_NIOS_BUILD) && !defined(BLADERF_NIOS_PC_SIMULATION)
#include "log.h"
#endif
#include "ad936x_helpers.h"
#include "bladerf2_common.h"
static bool tx_mute_state[2] = { false };
uint32_t txmute_get_cached(struct ad9361_rf_phy *phy, bladerf_channel ch)
{
switch (ch) {
case BLADERF_CHANNEL_TX(0):
return phy->tx1_atten_cached;
case BLADERF_CHANNEL_TX(1):
return phy->tx2_atten_cached;
default:
return 0;
}
}
int txmute_set_cached(struct ad9361_rf_phy *phy,
bladerf_channel ch,
uint32_t atten)
{
switch (ch) {
case BLADERF_CHANNEL_TX(0):
phy->tx1_atten_cached = atten;
return 0;
case BLADERF_CHANNEL_TX(1):
phy->tx2_atten_cached = atten;
return 0;
default:
return BLADERF_ERR_INVAL;
}
}
int txmute_get(struct ad9361_rf_phy *phy, bladerf_channel ch, bool *state)
{
int rfic_ch = (ch >> 1);
*state = tx_mute_state[rfic_ch];
return 0;
}
int txmute_set(struct ad9361_rf_phy *phy, bladerf_channel ch, bool state)
{
int rfic_ch = (ch >> 1);
uint32_t const MUTED_ATTEN = 89750;
uint32_t atten, cached;
int status;
if (tx_mute_state[rfic_ch] == state) {
// short circuit if there's no change
return 0;
}
if (state) {
// mute: save the existing value before muting
uint32_t readval;
status = ad9361_get_tx_attenuation(phy, rfic_ch, &readval);
if (status < 0) {
return errno_ad9361_to_bladerf(status);
}
cached = readval;
atten = MUTED_ATTEN;
} else {
// unmute: restore the saved value
cached = txmute_get_cached(phy, ch);
atten = cached;
}
status = ad9361_set_tx_attenuation(phy, rfic_ch, atten);
if (status < 0) {
return errno_ad9361_to_bladerf(status);
}
status = txmute_set_cached(phy, ch, cached);
if (status < 0) {
return status;
}
tx_mute_state[rfic_ch] = state;
return 0;
}
int set_ad9361_port_by_freq(struct ad9361_rf_phy *phy,
bladerf_channel ch,
bool enabled,
bladerf_frequency freq)
{
struct band_port_map const *port_map = NULL;
int status;
/* Look up the port configuration for this frequency */
port_map = _get_band_port_map_by_freq(ch, enabled ? freq : 0);
if (NULL == port_map) {
return BLADERF_ERR_INVAL;
}
/* Set the AD9361 port accordingly */
if (BLADERF_CHANNEL_IS_TX(ch)) {
status = ad9361_set_tx_rf_port_output(phy, port_map->rfic_port);
} else {
status = ad9361_set_rx_rf_port_input(phy, port_map->rfic_port);
}
return errno_ad9361_to_bladerf(status);
}
enum rf_gain_ctrl_mode gainmode_bladerf_to_ad9361(bladerf_gain_mode gainmode,
bool *ok)
{
struct bladerf_rfic_gain_mode_map const *mode_map;
size_t mode_map_len;
size_t i;
mode_map = bladerf2_rx_gain_mode_map;
mode_map_len = ARRAY_SIZE(bladerf2_rx_gain_mode_map);
if (NULL != ok) {
*ok = false;
}
for (i = 0; i < mode_map_len; ++i) {
if (mode_map[i].brf_mode == gainmode) {
if (NULL != ok) {
*ok = true;
}
return mode_map[i].rfic_mode;
}
}
return 0;
};
bladerf_gain_mode gainmode_ad9361_to_bladerf(enum rf_gain_ctrl_mode gainmode,
bool *ok)
{
struct bladerf_rfic_gain_mode_map const *mode_map;
size_t mode_map_len;
size_t i;
mode_map = bladerf2_rx_gain_mode_map;
mode_map_len = ARRAY_SIZE(bladerf2_rx_gain_mode_map);
if (NULL != ok) {
*ok = false;
}
for (i = 0; i < mode_map_len; ++i) {
if (mode_map[i].rfic_mode == gainmode) {
if (NULL != ok) {
*ok = true;
}
return mode_map[i].brf_mode;
}
}
return 0;
}
#endif // !defined(BLADERF_NIOS_BUILD) || defined(BLADERF_NIOS_LIBAD936X)
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