diff options
Diffstat (limited to 'ksim/monitors/lm_sensors/NVCtrlLib.h')
-rw-r--r-- | ksim/monitors/lm_sensors/NVCtrlLib.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/ksim/monitors/lm_sensors/NVCtrlLib.h b/ksim/monitors/lm_sensors/NVCtrlLib.h new file mode 100644 index 0000000..8d9cec4 --- /dev/null +++ b/ksim/monitors/lm_sensors/NVCtrlLib.h @@ -0,0 +1,184 @@ +#ifndef __NVCTRLLIB_H +#define __NVCTRLLIB_H + +#include "NVCtrl.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +/* + * XNVCTRLQueryExtension - + * + * Returns True if the extension exists, returns False otherwise. + * event_basep and error_basep are the extension event and error + * bases. Currently, no extension specific errors or events are + * defined. + */ + +Bool XNVCTRLQueryExtension ( + Display *dpy, + int *event_basep, + int *error_basep +); + +/* + * XNVCTRLQueryVersion - + * + * Returns True if the extension exists, returns False otherwise. + * major and minor are the extension's major and minor version + * numbers. + */ + +Bool XNVCTRLQueryVersion ( + Display *dpy, + int *major, + int *minor +); + + +/* + * XNVCTRLIsNvScreen + * + * Returns True is the specified screen is controlled by the NVIDIA + * driver. Returns False otherwise. + */ + +Bool XNVCTRLIsNvScreen ( + Display *dpy, + int screen +); + +/* + * XNVCTRLSetAttribute - + * + * Sets the attribute to the given value. The attributes and their + * possible values are listed in NVCtrl.h. + * + * Not all attributes require the display_mask parameter; see + * NVCtrl.h for details. + * + * Possible errors: + * BadValue - The screen or attribute doesn't exist. + * BadMatch - The NVIDIA driver is not present on that screen. + */ + +void XNVCTRLSetAttribute ( + Display *dpy, + int screen, + unsigned int display_mask, + unsigned int attribute, + int value +); + +/* + * XNVCTRLQueryAttribute - + * + * Returns True if the attribute exists. Returns False otherwise. + * If XNVCTRLQueryAttribute returns True, value will contain the + * value of the specified attribute. + * + * Not all attributes require the display_mask parameter; see + * NVCtrl.h for details. + * + * Possible errors: + * BadValue - The screen doesn't exist. + * BadMatch - The NVIDIA driver is not present on that screen. + */ + + +Bool XNVCTRLQueryAttribute ( + Display *dpy, + int screen, + unsigned int display_mask, + unsigned int attribute, + int *value +); + +/* + * XNVCTRLQueryStringAttribute - + * + * Returns True if the attribute exists. Returns False otherwise. + * If XNVCTRLQueryStringAttribute returns True, *ptr will point to an + * allocated string containing the string attribute requested. It is + * the caller's responsibility to free the string when done. + * + * Possible errors: + * BadValue - The screen doesn't exist. + * BadMatch - The NVIDIA driver is not present on that screen. + * BadAlloc - Insufficient resources to fulfill the request. + */ + +Bool XNVCTRLQueryStringAttribute ( + Display *dpy, + int screen, + unsigned int display_mask, + unsigned int attribute, + char **ptr +); + +/* + * XNVCTRLQueryValidAttributeValues - + * + * Returns True if the attribute exists. Returns False otherwise. If + * XNVCTRLQueryValidAttributeValues returns True, values will indicate + * the valid values for the specified attribute; see the description + * of NVCTRLAttributeValidValues in NVCtrl.h. + */ + +Bool XNVCTRLQueryValidAttributeValues ( + Display *dpy, + int screen, + unsigned int display_mask, + unsigned int attribute, + NVCTRLAttributeValidValuesRec *values +); + +/* + * XNVCtrlSelectNotify - + * + * This enables/disables receiving of NV-CONTROL events. The type + * specifies the type of event to enable (currently, the only type is + * ATTRIBUTE_CHANGED_EVENT); onoff controls whether receiving this + * type of event should be enabled (True) or disabled (False). + * + * Returns True if successful, or False if the screen is not + * controlled by the NVIDIA driver. + */ + +Bool XNVCtrlSelectNotify ( + Display *dpy, + int screen, + int type, + Bool onoff +); + + + +/* + * XNVCtrlEvent structure + */ + +typedef struct { + int type; + unsigned long serial; + Bool send_event; /* always FALSE, we don't allow send_events */ + Display *display; + Time time; + int screen; + unsigned int display_mask; + unsigned int attribute; + int value; +} XNVCtrlAttributeChangedEvent; + +typedef union { + int type; + XNVCtrlAttributeChangedEvent attribute_changed; + long pad[24]; +} XNVCtrlEvent; + +#if defined(__cplusplus) +} +#endif + +#endif /* __NVCTRLLIB_H */ |