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/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include "lc15bts_bid.h"
#define BOARD_REV_SYSFS "/sys/devices/0.lc15/revision"
#define BOARD_OPT_SYSFS "/sys/devices/0.lc15/option"
static const int option_type_mask[_NUM_OPTION_TYPES] = {
[LC15BTS_OPTION_OCXO] = 0x07,
[LC15BTS_OPTION_FPGA] = 0x03,
[LC15BTS_OPTION_PA] = 0x01,
[LC15BTS_OPTION_BAND] = 0x03,
[LC15BTS_OPTION_TX_ISO_BYP] = 0x01,
[LC15BTS_OPTION_RX_DUP_BYP] = 0x01,
[LC15BTS_OPTION_RX_PB_BYP] = 0x01,
[LC15BTS_OPTION_RX_DIV] = 0x01,
[LC15BTS_OPTION_RX1A] = 0x01,
[LC15BTS_OPTION_RX1B] = 0x01,
[LC15BTS_OPTION_RX2A] = 0x01,
[LC15BTS_OPTION_RX2B] = 0x01,
[LC15BTS_OPTION_DDR_32B] = 0x01,
[LC15BTS_OPTION_DDR_ECC] = 0x01,
[LC15BTS_OPTION_LOG_DET] = 0x01,
[LC15BTS_OPTION_DUAL_LOG_DET] = 0x01,
};
static const int option_type_shift[_NUM_OPTION_TYPES] = {
[LC15BTS_OPTION_OCXO] = 0,
[LC15BTS_OPTION_FPGA] = 3,
[LC15BTS_OPTION_PA] = 5,
[LC15BTS_OPTION_BAND] = 6,
[LC15BTS_OPTION_TX_ISO_BYP] = 8,
[LC15BTS_OPTION_RX_DUP_BYP] = 9,
[LC15BTS_OPTION_RX_PB_BYP] = 10,
[LC15BTS_OPTION_RX_DIV] = 11,
[LC15BTS_OPTION_RX1A] = 12,
[LC15BTS_OPTION_RX1B] = 13,
[LC15BTS_OPTION_RX2A] = 14,
[LC15BTS_OPTION_RX2B] = 15,
[LC15BTS_OPTION_DDR_32B] = 16,
[LC15BTS_OPTION_DDR_ECC] = 17,
[LC15BTS_OPTION_LOG_DET] = 18,
[LC15BTS_OPTION_DUAL_LOG_DET] = 19,
};
static int board_rev = -1;
static int board_option = -1;
int lc15bts_rev_get(void)
{
FILE *fp;
char rev;
if (board_rev != -1) {
return board_rev;
}
fp = fopen(BOARD_REV_SYSFS, "r");
if (fp == NULL) return -1;
if (fscanf(fp, "%c", &rev) != 1) {
fclose( fp );
return -1;
}
fclose(fp);
board_rev = rev;
return board_rev;
}
int lc15bts_model_get(void)
{
FILE *fp;
int opt;
if (board_option == -1) {
fp = fopen(BOARD_OPT_SYSFS, "r");
if (fp == NULL) {
return -1;
}
if (fscanf(fp, "%X", &opt) != 1) {
fclose( fp );
return -1;
}
fclose(fp);
board_option = opt;
}
return board_option;
}
int lc15bts_option_get(enum lc15bts_option_type type)
{
int rc;
int option;
if (type >= _NUM_OPTION_TYPES) {
return -EINVAL;
}
if (board_option == -1) {
rc = lc15bts_model_get();
if (rc < 0) return rc;
}
option = (board_option >> option_type_shift[type])
& option_type_mask[type];
return option;
}
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