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/*
* xtrx MMCM reconfiguration header file
* Copyright (c) 2017 Sergey Kostanbaev <sergey.kostanbaev@fairwaves.co>
* For more information, please visit: http://xtrx.io
*
* 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
*/
#ifndef XTRXLL_MMCM_H
#define XTRXLL_MMCM_H
#include "xtrxll_api.h"
#include <stdbool.h>
enum {
XTRXLL_MMCM_ON = 1,
XTRXLL_MMCM_MCLK2 = 2,
};
enum {
CLKOUT_COUNT = 7,
MMCM_DIV_MAX = 128,
MMCM_DELAY_MAX = 64,
};
typedef struct mmcm_clkout_config {
uint16_t div; // divider from VCO
uint16_t pahse; // total phase offset from VCO in VCO/8 steps
} mmcm_clkout_config_t;
typedef struct mmcm_config {
unsigned mmcm_port;
unsigned input_div;
mmcm_clkout_config_t clkout[CLKOUT_COUNT];
mmcm_clkout_config_t clkfb;
} mmcm_config_t;
typedef enum lml_clock_mode {
LML_CLOCK_NORM = 0,
LML_CLOCK_X2 = 1,
LML_CLOCK_RX_SELF = 2,
LML_CLOCK_MODE_MASK = 3,
LML_CLOCK_FWD_90 = 256,
LML_CLOCK_INT_X2 = 512,
} lml_clock_mode_t;
// Deprecated
int xtrxll_mmcm_setfreq(struct xtrxll_dev* dev, bool tx, int mclk_freq,
lml_clock_mode_t mode, int rx_fwd_delay, uint8_t *mdiv, unsigned ndiv);
int xtrxll_mmcm_onoff(struct xtrxll_dev* dev, bool tx, bool on);
int xtrxll_mmcm_set_config(struct xtrxll_dev* dev, const mmcm_config_t* cfg);
int xtrxll_mmcm_fphase_corr(struct xtrxll_dev* dev, bool tx, unsigned gphase, bool fb);
#endif
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