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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 <inttypes.h>
#include "oc2gbts_bid.h"
#define BOARD_REV_MAJ_SYSFS "/var/oc2g/platform/rev/major"
#define BOARD_REV_MIN_SYSFS "/var/oc2g/platform/rev/minor"
#define BOARD_OPT_SYSFS "/var/oc2g/platform/option"
static const int option_type_mask[_NUM_OPTION_TYPES] = {
[OC2GBTS_OPTION_OCXO] = 0x07,
[OC2GBTS_OPTION_FPGA] = 0x03,
[OC2GBTS_OPTION_PA] = 0x01,
[OC2GBTS_OPTION_BAND] = 0x03,
[OC2GBTS_OPTION_TX_ATT] = 0x01,
[OC2GBTS_OPTION_TX_FIL] = 0x01,
[OC2GBTS_OPTION_RX_ATT] = 0x01,
[OC2GBTS_OPTION_RMS_FWD] = 0x01,
[OC2GBTS_OPTION_RMS_REFL] = 0x01,
[OC2GBTS_OPTION_DDR_32B] = 0x01,
[OC2GBTS_OPTION_DDR_ECC] = 0x01,
[OC2GBTS_OPTION_PA_TEMP] = 0x01,
};
static const int option_type_shift[_NUM_OPTION_TYPES] = {
[OC2GBTS_OPTION_OCXO] = 0,
[OC2GBTS_OPTION_FPGA] = 3,
[OC2GBTS_OPTION_PA] = 5,
[OC2GBTS_OPTION_BAND] = 6,
[OC2GBTS_OPTION_TX_ATT] = 8,
[OC2GBTS_OPTION_TX_FIL] = 9,
[OC2GBTS_OPTION_RX_ATT] = 10,
[OC2GBTS_OPTION_RMS_FWD] = 11,
[OC2GBTS_OPTION_RMS_REFL] = 12,
[OC2GBTS_OPTION_DDR_32B] = 13,
[OC2GBTS_OPTION_DDR_ECC] = 14,
[OC2GBTS_OPTION_PA_TEMP] = 15,
};
static char board_rev_maj = -1;
static char board_rev_min = -1;
static int board_option = -1;
void oc2gbts_rev_get(char *rev_maj, char *rev_min)
{
FILE *fp;
char rev;
*rev_maj = 0;
*rev_min = 0;
if (board_rev_maj != -1 && board_rev_min != -1) {
*rev_maj = board_rev_maj;
*rev_min = board_rev_min;
}
fp = fopen(BOARD_REV_MAJ_SYSFS, "r");
if (fp == NULL) return;
if (fscanf(fp, "%c", &rev) != 1) {
fclose(fp);
return;
}
fclose(fp);
*rev_maj = board_rev_maj = rev;
fp = fopen(BOARD_REV_MIN_SYSFS, "r");
if (fp == NULL) return;
if (fscanf(fp, "%c", &rev) != 1) {
fclose(fp);
return;
}
fclose(fp);
*rev_min = board_rev_min = rev;
}
const char* get_hwversion_desc()
{
int model;
size_t len;
static char model_name[64] = {0, };
len = snprintf(model_name, sizeof(model_name), "NuRAN OC-2G BTS");
char rev_maj = 0, rev_min = 0;
oc2gbts_rev_get(&rev_maj, &rev_min);
len += snprintf(model_name + len, sizeof(model_name) - len,
" Rev %" PRIu8 ".%" PRIu8, (uint8_t)rev_maj, (uint8_t)rev_min);
model = oc2gbts_model_get();
if (model >= 0) {
snprintf(model_name + len, sizeof(model_name) - len,
"%s (%05X)", model_name, model);
}
return model_name;
}
int oc2gbts_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 oc2gbts_option_get(enum oc2gbts_option_type type)
{
int rc;
int option;
if (type >= _NUM_OPTION_TYPES) {
return -EINVAL;
}
if (board_option == -1) {
rc = oc2gbts_model_get();
if (rc < 0) return rc;
}
option = (board_option >> option_type_shift[type])
& option_type_mask[type];
return option;
}
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