+/*
+ Copyright (C) 2010-2011 thgreasi@gmail.com
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 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 General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA
+*/
+#ifndef LINUX
+#define LINUX 1
+#endif
+#ifdef HAVE_LIBATIADL
+ /* AMD id for the aticonfig */
+ int amd_id;
+#endif
+
+#include <locale.h>
+#include <libintl.h>
+#define _(str) gettext(str)
+
+#include <adl_sdk.h>
+#include <dlfcn.h> /* dyopen, dlsym, dlclose */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h> /* memeset */
+
+#include "psensor.h"
+
+/* Definitions of the used function pointers.
+ Add more if you use other ADL APIs */
+typedef int (*ADL_MAIN_CONTROL_CREATE)(ADL_MAIN_MALLOC_CALLBACK, int);
+typedef int (*ADL_MAIN_CONTROL_DESTROY)();
+typedef int (*ADL_ADAPTER_NUMBEROFADAPTERS_GET) (int *);
+typedef int (*ADL_ADAPTER_ADAPTERINFO_GET) (LPAdapterInfo, int);
+typedef int (*ADL_ADAPTER_ACTIVE_GET) (int, int*);
+typedef int (*ADL_OVERDRIVE5_TEMPERATURE_GET) (int, int, ADLTemperature*);
+typedef int (*ADL_OVERDRIVE5_FANSPEED_GET) (int, int, ADLFanSpeedValue*);
+
+static ADL_MAIN_CONTROL_CREATE adl_main_control_create;
+static ADL_MAIN_CONTROL_DESTROY adl_main_control_destroy;
+static ADL_ADAPTER_NUMBEROFADAPTERS_GET adl_adapter_numberofadapters_get;
+static ADL_ADAPTER_ADAPTERINFO_GET adl_adapter_adapterinfo_get;
+static ADL_ADAPTER_ACTIVE_GET adl_adapter_active_get;
+static ADL_OVERDRIVE5_TEMPERATURE_GET adl_overdrive5_temperature_get;
+static ADL_OVERDRIVE5_FANSPEED_GET adl_overdrive5_fanspeed_get;
+
+static void *hdll;
+static int adl_main_control_done;
+static int *active_amd_adapters;
+
+/* Memory allocation function */
+static void __stdcall *adl_main_memory_alloc(int isize)
+{
+ void *lpbuffer = malloc(isize);
+ return lpbuffer;
+}
+
+/* Optional Memory de-allocation function */
+static void __stdcall adl_main_memory_free(void** lpbuffer)
+{
+ if (*lpbuffer) {
+ free(*lpbuffer);
+ *lpbuffer = NULL;
+ }
+}
+
+static void *getprocaddress(void * plibrary, const char * name)
+{
+ return dlsym(plibrary, name);
+}
+
+/*
+ Returns the temperature (Celcius) of an AMD/Ati GPU.
+*/
+static int get_temp(struct psensor *sensor)
+{
+ ADLTemperature temperature;
+
+ temperature.iSize = sizeof(ADLTemperature);
+ temperature.iTemperature = -273;
+ if (ADL_OK != adl_overdrive5_temperature_get(sensor->amd_id,
+ 0, &temperature))
+ return -273;
+
+ return temperature.iTemperature/1000;
+}
+
+static int get_fanspeed(struct psensor *sensor)
+{
+ ADLFanSpeedValue fanspeedvalue;
+
+ fanspeedvalue.iSize = sizeof(ADLFanSpeedValue);
+ fanspeedvalue.iSpeedType = ADL_DL_FANCTRL_SPEED_TYPE_RPM;
+ fanspeedvalue.iFanSpeed = -1;
+ if (ADL_OK != adl_overdrive5_fanspeed_get(sensor->amd_id,
+ 0, &fanspeedvalue))
+ return -1;
+
+ return fanspeedvalue.iFanSpeed;
+}
+
+static struct psensor *create_sensor(int id, int values_len)
+{
+ char name[200];
+ char *sid;
+ int sensor_type;
+
+ struct psensor *s;
+
+ if (id & 1) {/* odd number ids represent fan sensors */
+ id = id >> 1;
+ sprintf(name, "GPU%dfan", id);
+ sensor_type = SENSOR_TYPE_AMD_FAN;
+ } else {/* even number ids represent temperature sensors */
+ id = id >> 1;
+ sprintf(name, "GPU%dtemp", id);
+ sensor_type = SENSOR_TYPE_AMD_TEMP;
+ }
+
+ sid = malloc(strlen("AMD") + 1 + strlen(name) + 1);
+ sprintf(sid, "AMD %s", name);
+
+ s = psensor_create(sid, strdup(name),
+ sensor_type, values_len);
+
+ s->amd_id = active_amd_adapters[id];
+
+ return s;
+}
+
+/*
+ Returns the number of AMD/Ati GPU sensors (temperature and fan speed).
+
+ Return 0 if no AMD/Ati gpus or cannot get information.
+*/
+static int init()
+{
+ LPAdapterInfo lpadapterinfo = NULL;
+ int i, inumberadapters, inumberadaptersactive = 0;
+ int lpstatus, iadapterindex;
+
+ hdll = NULL;
+ adl_main_control_done = 0;
+ active_amd_adapters = NULL;
+ hdll = dlopen("libatiadlxx.so", RTLD_LAZY|RTLD_GLOBAL);
+
+
+ if (!hdll) {
+ fprintf(stderr,
+ _("ERROR: ADL library not found!\n"));
+ return 0;
+ }
+
+ adl_main_control_create = (ADL_MAIN_CONTROL_CREATE)
+ getprocaddress(hdll, "ADL_Main_Control_Create");
+ adl_main_control_destroy = (ADL_MAIN_CONTROL_DESTROY)
+ getprocaddress(hdll, "ADL_Main_Control_Destroy");
+ adl_adapter_numberofadapters_get = (ADL_ADAPTER_NUMBEROFADAPTERS_GET)
+ getprocaddress(hdll, "ADL_Adapter_NumberOfAdapters_Get");
+ adl_adapter_adapterinfo_get = (ADL_ADAPTER_ADAPTERINFO_GET)
+ getprocaddress(hdll, "ADL_Adapter_AdapterInfo_Get");
+ adl_adapter_active_get = (ADL_ADAPTER_ACTIVE_GET)
+ getprocaddress(hdll, "ADL_Adapter_Active_Get");
+ adl_overdrive5_temperature_get = (ADL_OVERDRIVE5_TEMPERATURE_GET)
+ getprocaddress(hdll, "ADL_Overdrive5_Temperature_Get");
+ adl_overdrive5_fanspeed_get = (ADL_OVERDRIVE5_FANSPEED_GET)
+ getprocaddress(hdll, "ADL_Overdrive5_FanSpeed_Get");
+ if (!adl_main_control_create ||
+ !adl_main_control_destroy ||
+ !adl_adapter_numberofadapters_get ||
+ !adl_adapter_adapterinfo_get ||
+ !adl_overdrive5_temperature_get ||
+ !adl_overdrive5_fanspeed_get) {
+ fprintf(stderr,
+ _("ERROR: ADL's API is missing!\n"));
+ return 0;
+ }
+
+ /* Initialize ADL. The second parameter is 1, which means:
+ retrieve adapter information only for adapters that
+ are physically present and enabled in the system */
+ if (ADL_OK != adl_main_control_create(adl_main_memory_alloc, 1)) {
+ fprintf(stderr,
+ _("ERROR: ADL Initialization Error!\n"));
+ return 0;
+ }
+ adl_main_control_done = 1;
+
+ /* Obtain the number of adapters for the system */
+ if (ADL_OK != adl_adapter_numberofadapters_get(&inumberadapters)) {
+ fprintf(stderr,
+ _("ERROR: Cannot get the number of adapters!\n"));
+ return 0;
+ }
+
+ if (!inumberadapters)
+ return 0;
+
+ lpadapterinfo = malloc(sizeof(AdapterInfo) * inumberadapters);
+ memset(lpadapterinfo, '\0', sizeof(AdapterInfo) * inumberadapters);
+
+ /* Get the AdapterInfo structure for all adapters in the system */
+ adl_adapter_adapterinfo_get(lpadapterinfo,
+ sizeof(AdapterInfo) * inumberadapters);
+
+ /* Repeat for all available adapters in the system */
+ for (i = 0; i < inumberadapters; i++) {
+ iadapterindex = lpadapterinfo[i].iAdapterIndex;
+ if (ADL_OK != adl_adapter_active_get(iadapterindex, &lpstatus))
+ continue;
+ if (lpstatus != ADL_TRUE)
+ /* count only if the adapter is active */
+ continue;
+
+ if (!active_amd_adapters) {
+ active_amd_adapters = (int *) malloc(sizeof(int));
+ inumberadaptersactive = 1;
+ } else {
+ ++inumberadaptersactive;
+ active_amd_adapters =
+ (int *) realloc(active_amd_adapters,
+ sizeof(int)*inumberadaptersactive);
+ }
+ active_amd_adapters[inumberadaptersactive-1] = iadapterindex;
+ }
+
+ adl_main_memory_free((void **) &lpadapterinfo);
+
+ /* Each Adapter has one GPU temperature
+ sensor and one fan control sensor */
+ return 2*inumberadaptersactive;
+}
+
+void amd_psensor_list_update(struct psensor **sensors)
+{
+ struct psensor **ss, *s;
+
+ ss = sensors;
+ while (*ss) {
+ s = *ss;
+
+ if (s->type == SENSOR_TYPE_AMD_TEMP)
+ psensor_set_current_value(s, get_temp(s));
+ else if (s->type == SENSOR_TYPE_AMD_FAN)
+ psensor_set_current_value(s, get_fanspeed(s));
+
+ ss++;
+ }
+}
+
+struct psensor * *
+amd_psensor_list_add(struct psensor **sensors, int values_len)
+{
+ int i, n;
+ struct psensor **tmp, **ss, *s;
+
+ n = init();
+
+ ss = sensors;
+ for (i = 0; i < n; i++) {
+ s = create_sensor(i, values_len);
+
+ tmp = psensor_list_add(ss, s);
+
+ if (ss != tmp)
+ free(ss);
+
+ ss = tmp;
+ }
+
+ if (active_amd_adapters) {
+ free(active_amd_adapters);
+ active_amd_adapters = NULL;
+ }
+
+ return ss;
+}
+
+void amd_cleanup()
+{
+ if (hdll) {
+ if (adl_main_control_done)
+ adl_main_control_destroy();
+ dlclose(hdll);
+ }
+ if (active_amd_adapters) {
+ free(active_amd_adapters);
+ active_amd_adapters = NULL;
+ }
+}
projects / psensor.git / commitdiff