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/*
* Copyright (C) 2006 Sven Peter <svpe@gmx.net>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <X11/Xlib.h>
#include <NVCtrl/NVCtrl.h>
#include <NVCtrl/NVCtrlLib.h>
#include <glib.h>
#include <glib/gi18n.h>
#include "nvidia-plugin.h"
const gchar *plugin_name = "nvidia";
#define GPU_CORE_TEMP "CoreTemp"
#define AMBIENT_TEMP "AmbientTemp"
/* global variables */
Display *nvidia_sensors_dpy; /* the connection to the X server */
int num_gpus;
/* returns the value of the sensor */
static gdouble nvidia_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error)
{
Bool res;
int temp;
int i;
i = g_ascii_strtoll(id + strlen("GPU"), NULL, 10);
if (g_ascii_strcasecmp(path, GPU_CORE_TEMP) == 0) {
res = XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
NV_CTRL_TARGET_TYPE_GPU,
i,
0,
NV_CTRL_GPU_CORE_TEMPERATURE,
&temp);
} else if (g_ascii_strcasecmp(path, AMBIENT_TEMP) == 0) {
res = XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
NV_CTRL_TARGET_TYPE_GPU,
i,
0,
NV_CTRL_AMBIENT_TEMPERATURE,
&temp);
} else {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, 0, "Invalid path string passed to nvidia_plugin_get_sensor_value");
return 0;
}
if (res != True) {
/* when res isn't true something went wrong */
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, 0, "XNVCTRLQueryAttribute returned false");
return 0;
}
/* convert the int to gdouble and return it */
return (gdouble)temp;
}
/* creates the connection to the X server and checks whether the
* NV-CONTROL extension is loaded */
static GList *nvidia_plugin_init(void)
{
int dummy;
int event_base, error_base;
GList *sensors = NULL;
/* create the connection to the X server */
if (!(nvidia_sensors_dpy = XOpenDisplay(NULL))) {
/* no connection to the X server avaible */
return sensors;
}
/* check if the NV-CONTROL extension is available on this X
* server - if so add the two sensors if they exist */
if (XNVCTRLQueryExtension(nvidia_sensors_dpy, &event_base, &error_base)) {
if (XNVCTRLQueryTargetCount(nvidia_sensors_dpy,
NV_CTRL_TARGET_TYPE_GPU,
&num_gpus))
{
int i;
for (i = 0; i < num_gpus; i++)
{
if (XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
NV_CTRL_TARGET_TYPE_GPU,
i,
0, NV_CTRL_GPU_CORE_TEMPERATURE, &dummy)) {
gchar *id = g_strdup_printf("GPU%d%s", i, GPU_CORE_TEMP);
sensors_applet_plugin_add_sensor(&sensors,
GPU_CORE_TEMP,
id,
_("GPU"),
TEMP_SENSOR,
TRUE,
GPU_ICON,
DEFAULT_GRAPH_COLOR);
g_free(id);
}
if (XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
NV_CTRL_TARGET_TYPE_GPU,
i,
0, NV_CTRL_AMBIENT_TEMPERATURE, &dummy)) {
gchar *id = g_strdup_printf("GPU%d%s", i, AMBIENT_TEMP);
sensors_applet_plugin_add_sensor(&sensors,
AMBIENT_TEMP,
id,
_("Ambient"),
TEMP_SENSOR,
FALSE,
GENERIC_ICON,
DEFAULT_GRAPH_COLOR);
g_free(id);
}
}
}
}
return sensors;
}
const gchar *sensors_applet_plugin_name(void)
{
return plugin_name;
}
GList *sensors_applet_plugin_init(void)
{
return nvidia_plugin_init();
}
gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
return nvidia_plugin_get_sensor_value(path, id, type, error);
}
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