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-rw-r--r--src/osmo-bts-litecell15/misc/lc15bts_misc.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/src/osmo-bts-litecell15/misc/lc15bts_misc.c b/src/osmo-bts-litecell15/misc/lc15bts_misc.c
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index 00000000..e0602c82
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+++ b/src/osmo-bts-litecell15/misc/lc15bts_misc.c
@@ -0,0 +1,249 @@
+/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
+ *
+ * Based on sysmoBTS:
+ * sysmobts_misc.c
+ * (C) 2012 by Harald Welte <laforge@gnumonks.org>
+ *
+ * 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 <stdint.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <time.h>
+#include <sys/signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/application.h>
+#include <osmocom/vty/telnet_interface.h>
+#include <osmocom/vty/logging.h>
+
+#include "btsconfig.h"
+#include "lc15bts_misc.h"
+#include "lc15bts_par.h"
+#include "lc15bts_mgr.h"
+#include "lc15bts_temp.h"
+
+/*********************************************************************
+ * Temperature handling
+ *********************************************************************/
+
+static const struct {
+ const char *name;
+ int has_max;
+ enum lc15bts_temp_sensor sensor;
+ enum lc15bts_par ee_par;
+} temp_data[] = {
+ {
+ .name = "supply",
+ .has_max = 1,
+ .sensor = LC15BTS_TEMP_SUPPLY,
+ .ee_par = LC15BTS_PAR_TEMP_SUPPLY_MAX,
+ }, {
+ .name = "soc",
+ .has_max = 0,
+ .sensor = LC15BTS_TEMP_SOC,
+ .ee_par = LC15BTS_PAR_TEMP_SOC_MAX,
+ }, {
+ .name = "fpga",
+ .has_max = 0,
+ .sensor = LC15BTS_TEMP_FPGA,
+ .ee_par = LC15BTS_PAR_TEMP_FPGA_MAX,
+
+ }, {
+ .name = "memory",
+ .has_max = 1,
+ .sensor = LC15BTS_TEMP_MEMORY,
+ .ee_par = LC15BTS_PAR_TEMP_MEMORY_MAX,
+ }, {
+ .name = "tx1",
+ .has_max = 0,
+ .sensor = LC15BTS_TEMP_TX1,
+ .ee_par = LC15BTS_PAR_TEMP_TX1_MAX,
+ }, {
+ .name = "tx2",
+ .has_max = 0,
+ .sensor = LC15BTS_TEMP_TX2,
+ .ee_par = LC15BTS_PAR_TEMP_TX2_MAX,
+ }, {
+ .name = "pa1",
+ .has_max = 1,
+ .sensor = LC15BTS_TEMP_PA1,
+ .ee_par = LC15BTS_PAR_TEMP_PA1_MAX,
+ }, {
+ .name = "pa2",
+ .has_max = 1,
+ .sensor = LC15BTS_TEMP_PA2,
+ .ee_par = LC15BTS_PAR_TEMP_PA2_MAX,
+ }
+};
+
+void lc15bts_check_temp(int no_rom_write)
+{
+ int temp_old[ARRAY_SIZE(temp_data)];
+ int temp_hi[ARRAY_SIZE(temp_data)];
+ int temp_cur[ARRAY_SIZE(temp_data)];
+ int i, rc;
+
+ for (i = 0; i < ARRAY_SIZE(temp_data); i++) {
+ int ret;
+ rc = lc15bts_par_get_int(temp_data[i].ee_par, &ret);
+ temp_old[i] = ret * 1000;
+ if (temp_data[i].has_max) {
+ temp_hi[i] = lc15bts_temp_get(temp_data[i].sensor,
+ LC15BTS_TEMP_HIGHEST);
+ temp_cur[i] = lc15bts_temp_get(temp_data[i].sensor,
+ LC15BTS_TEMP_INPUT);
+
+ if ((temp_cur[i] < 0 && temp_cur[i] > -1000) ||
+ (temp_hi[i] < 0 && temp_hi[i] > -1000)) {
+ LOGP(DTEMP, LOGL_ERROR, "Error reading temperature\n");
+ continue;
+ }
+ }
+ else {
+ temp_cur[i] = lc15bts_temp_get(temp_data[i].sensor,
+ LC15BTS_TEMP_INPUT);
+
+ if (temp_cur[i] < 0 && temp_cur[i] > -1000) {
+ LOGP(DTEMP, LOGL_ERROR, "Error reading temperature\n");
+ continue;
+ }
+ temp_hi[i] = temp_cur[i];
+ }
+
+ LOGP(DTEMP, LOGL_DEBUG, "Current %s temperature: %d.%d C\n",
+ temp_data[i].name, temp_cur[i]/1000, temp_cur[i]%1000);
+
+ if (temp_hi[i] > temp_old[i]) {
+ LOGP(DTEMP, LOGL_NOTICE, "New maximum %s "
+ "temperature: %d.%d C\n", temp_data[i].name,
+ temp_hi[i]/1000, temp_hi[i]%1000);
+
+ if (!no_rom_write) {
+ rc = lc15bts_par_set_int(temp_data[i].ee_par,
+ temp_hi[i]/1000);
+ if (rc < 0)
+ LOGP(DTEMP, LOGL_ERROR, "error writing new %s "
+ "max temp %d (%s)\n", temp_data[i].name,
+ rc, strerror(errno));
+ }
+ }
+ }
+}
+
+/*********************************************************************
+ * Hours handling
+ *********************************************************************/
+static time_t last_update;
+
+int lc15bts_update_hours(int no_rom_write)
+{
+ time_t now = time(NULL);
+ int rc, op_hrs;
+
+ /* first time after start of manager program */
+ if (last_update == 0) {
+ last_update = now;
+
+ rc = lc15bts_par_get_int(LC15BTS_PAR_HOURS, &op_hrs);
+ if (rc < 0) {
+ LOGP(DTEMP, LOGL_ERROR, "Unable to read "
+ "operational hours: %d (%s)\n", rc,
+ strerror(errno));
+ return rc;
+ }
+
+ LOGP(DTEMP, LOGL_INFO, "Total hours of Operation: %u\n",
+ op_hrs);
+
+ return 0;
+ }
+
+ if (now >= last_update + 3600) {
+ rc = lc15bts_par_get_int(LC15BTS_PAR_HOURS, &op_hrs);
+ if (rc < 0) {
+ LOGP(DTEMP, LOGL_ERROR, "Unable to read "
+ "operational hours: %d (%s)\n", rc,
+ strerror(errno));
+ return rc;
+ }
+
+ /* number of hours to increase */
+ op_hrs += (now-last_update)/3600;
+
+ LOGP(DTEMP, LOGL_INFO, "Total hours of Operation: %u\n",
+ op_hrs);
+
+ if (!no_rom_write) {
+ rc = lc15bts_par_set_int(LC15BTS_PAR_HOURS, op_hrs);
+ if (rc < 0)
+ return rc;
+ }
+
+ last_update = now;
+ }
+
+ return 0;
+}
+
+/*********************************************************************
+ * Firmware reloading
+ *********************************************************************/
+
+static const char *fw_sysfs[_NUM_FW] = {
+ [LC15BTS_FW_DSP0] = "/sys/kernel/debug/remoteproc/remoteproc0/recovery",
+ [LC15BTS_FW_DSP1] = "/sys/kernel/debug/remoteproc/remoteproc0/recovery",
+};
+
+int lc15bts_firmware_reload(enum lc15bts_firmware_type type)
+{
+ int fd;
+ int rc;
+
+ switch (type) {
+ case LC15BTS_FW_DSP0:
+ case LC15BTS_FW_DSP1:
+ fd = open(fw_sysfs[type], O_WRONLY);
+ if (fd < 0) {
+ LOGP(DFW, LOGL_ERROR, "unable ot open firmware device %s: %s\n",
+ fw_sysfs[type], strerror(errno));
+ close(fd);
+ return fd;
+ }
+ rc = write(fd, "restart", 8);
+ if (rc < 8) {
+ LOGP(DFW, LOGL_ERROR, "short write during "
+ "fw write to %s\n", fw_sysfs[type]);
+ close(fd);
+ return -EIO;
+ }
+ close(fd);
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
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