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/*
* nvidia-settings: A tool for configuring the NVIDIA X driver on Unix
* and Linux systems.
*
* Copyright (C) 2004 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of Version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 Version 2
* of 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.
* 59 Temple Place - Suite 330
* Boston, MA 02111-1307, USA
*
*/
#include "NvCtrlAttributes.h"
#include "NvCtrlAttributesPrivate.h"
#include "NVCtrlLib.h"
#include "msg.h"
#include "parse.h"
#include <X11/extensions/xf86vmode.h>
#include <X11/extensions/Xvlib.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/utsname.h>
/*
* NvCtrlAttributeInit() - XXX not sure how to handle errors
*/
NvCtrlAttributeHandle *NvCtrlAttributeInit(Display *dpy, int screen,
unsigned int subsystems)
{
NvCtrlAttributePrivateHandle *h = NULL;
h = calloc(1, sizeof (NvCtrlAttributePrivateHandle));
if (!h) {
nv_error_msg("Memory allocation failure!");
goto failed;
}
/* initialize the display and screen to the parameter values */
h->dpy = dpy;
h->screen = screen;
/* initialize the NV-CONTROL attributes; give up if this fails */
if (subsystems & NV_CTRL_ATTRIBUTES_NV_CONTROL_SUBSYSTEM) {
h->nv = NvCtrlInitNvControlAttributes(h);
if (!h->nv) goto failed;
}
/*
* initialize the XF86VidMode attributes; it is OK if this
* fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_XF86VIDMODE_SUBSYSTEM) {
h->vm = NvCtrlInitVidModeAttributes(h);
}
/*
* initialize the XVideo extension and attributes; it is OK if
* this fails
*/
if (subsystems & NV_CTRL_ATTRIBUTES_XVIDEO_SUBSYSTEM) {
NvCtrlInitXvOverlayAttributes(h);
}
return (NvCtrlAttributeHandle *) h;
failed:
if (h) free (h);
return NULL;
} /* NvCtrlAttributeInit() */
/*
* NvCtrlGetDisplayName() - return a string of the form:
*
* [host]:[display].[screen]
*
* that describes the X screen associated with this
* NvCtrlAttributeHandle. This is done by getting the string that
* describes the display connection, and then substituting the correct
* screen number. If no hostname is present in the display string,
* uname.nodename is prepended. Returns NULL if any error occors.
*/
char *NvCtrlGetDisplayName(NvCtrlAttributeHandle *handle)
{
NvCtrlAttributePrivateHandle *h;
char *display_name;
if (!handle) return NULL;
h = (NvCtrlAttributePrivateHandle *) handle;
display_name = DisplayString(h->dpy);
return nv_standardize_screen_name(display_name, h->screen);
} /* NvCtrlGetDisplayName() */
/*
* NvCtrlDisplayPtr() - returns the Display pointer associated with
* this NvCtrlAttributeHandle.
*/
Display *NvCtrlGetDisplayPtr(NvCtrlAttributeHandle *handle)
{
NvCtrlAttributePrivateHandle *h;
if (!handle) return NULL;
h = (NvCtrlAttributePrivateHandle *) handle;
return h->dpy;
} /* NvCtrlDisplayPtr() */
int NvCtrlGetEventBase(NvCtrlAttributeHandle *handle)
{
NvCtrlAttributePrivateHandle *h;
if (!handle) return 0;
h = (NvCtrlAttributePrivateHandle *) handle;
if (!h->nv) return 0;
return (h->nv->event_base);
} /* NvCtrlGetEventBase() */
ReturnStatus NvCtrlGetAttribute(NvCtrlAttributeHandle *handle,
int attr, int *val)
{
if (!handle) return NvCtrlBadArgument;
return NvCtrlGetDisplayAttribute(handle, 0, attr, val);
} /* NvCtrlGetAttribute() */
ReturnStatus NvCtrlSetAttribute(NvCtrlAttributeHandle *handle,
int attr, int val)
{
if (!handle) return NvCtrlBadArgument;
return NvCtrlSetDisplayAttribute(handle, 0, attr, val);
} /* NvCtrlSetAttribute() */
ReturnStatus NvCtrlGetValidAttributeValues(NvCtrlAttributeHandle *handle,
int attr,
NVCTRLAttributeValidValuesRec *val)
{
if (!handle) return NvCtrlBadArgument;
return NvCtrlGetValidDisplayAttributeValues(handle, 0, attr, val);
} /* NvCtrlGetValidAttributeValues() */
ReturnStatus NvCtrlGetStringAttribute(NvCtrlAttributeHandle *handle,
int attr, char **ptr)
{
if (!handle) return NvCtrlBadArgument;
return NvCtrlGetStringDisplayAttribute(handle, 0, attr, ptr);
} /* NvCtrlGetStringAttribute() */
ReturnStatus
NvCtrlGetDisplayAttribute(NvCtrlAttributeHandle *handle,
unsigned int display_mask, int attr, int *val)
{
NvCtrlAttributePrivateHandle *h;
h = (NvCtrlAttributePrivateHandle *) handle;
if ((attr >= NV_CTRL_ATTR_EXT_BASE) &&
(attr <= NV_CTRL_ATTR_EXT_LAST_ATTRIBUTE)) {
switch (attr) {
case NV_CTRL_ATTR_EXT_NV_PRESENT:
*val = (h->nv) ? True : False; break;
case NV_CTRL_ATTR_EXT_VM_PRESENT:
*val = (h->vm) ? True : False; break;
case NV_CTRL_ATTR_EXT_XV_OVERLAY_PRESENT:
*val = (h->xv_overlay) ? True : False; break;
case NV_CTRL_ATTR_EXT_XV_TEXTURE_PRESENT:
*val = (h->xv_texture) ? True : False; break;
case NV_CTRL_ATTR_EXT_XV_BLITTER_PRESENT:
*val = (h->xv_blitter) ? True : False; break;
default:
return NvCtrlNoAttribute;
}
return NvCtrlSuccess;
}
if ((attr >= 0) && (attr <= NV_CTRL_LAST_ATTRIBUTE)) {
if (!h->nv) return NvCtrlMissingExtension;
return NvCtrlNvControlGetAttribute(h, display_mask, attr, val);
}
if ((attr >= NV_CTRL_ATTR_XV_BASE) &&
(attr <= NV_CTRL_ATTR_XV_LAST_ATTRIBUTE)) {
return NvCtrlXvGetAttribute(h, attr, val);
}
return NvCtrlNoAttribute;
} /* NvCtrlGetDisplayAttribute() */
ReturnStatus
NvCtrlSetDisplayAttribute(NvCtrlAttributeHandle *handle,
unsigned int display_mask, int attr, int val)
{
NvCtrlAttributePrivateHandle *h;
h = (NvCtrlAttributePrivateHandle *) handle;
if ((attr >= 0) && (attr <= NV_CTRL_LAST_ATTRIBUTE)) {
if (!h->nv) return NvCtrlMissingExtension;
return NvCtrlNvControlSetAttribute(h, display_mask, attr, val);
}
if ((attr >= NV_CTRL_ATTR_XV_BASE) &&
(attr <= NV_CTRL_ATTR_XV_LAST_ATTRIBUTE)) {
return NvCtrlXvSetAttribute(h, attr, val);
}
return NvCtrlNoAttribute;
} /* NvCtrlSetDisplayAttribute() */
ReturnStatus
NvCtrlGetValidDisplayAttributeValues(NvCtrlAttributeHandle *handle,
unsigned int display_mask, int attr,
NVCTRLAttributeValidValuesRec *val)
{
NvCtrlAttributePrivateHandle *h;
h = (NvCtrlAttributePrivateHandle *) handle;
if ((attr >= 0) && (attr <= NV_CTRL_LAST_ATTRIBUTE)) {
if (!h->nv) return NvCtrlMissingExtension;
return NvCtrlNvControlGetValidAttributeValues(h, display_mask,
attr, val);
}
if ((attr >= NV_CTRL_ATTR_XV_BASE) &&
(attr <= NV_CTRL_ATTR_XV_LAST_ATTRIBUTE)) {
return NvCtrlXvGetValidAttributeValues(h, attr, val);
}
return NvCtrlNoAttribute;
} /* NvCtrlGetValidDisplayAttributeValues() */
ReturnStatus
NvCtrlGetStringDisplayAttribute(NvCtrlAttributeHandle *handle,
unsigned int display_mask,
int attr, char **ptr)
{
NvCtrlAttributePrivateHandle *h;
h = (NvCtrlAttributePrivateHandle *) handle;
if ((attr >= 0) && (attr <= NV_CTRL_LAST_ATTRIBUTE)) {
if (!h->nv) return NvCtrlMissingExtension;
return NvCtrlNvControlGetStringAttribute(h, display_mask, attr, ptr);
}
return NvCtrlNoAttribute;
} /* NvCtrlGetStringDisplayAttribute() */
char *NvCtrlAttributesStrError(ReturnStatus status)
{
switch (status) {
case NvCtrlSuccess:
return "Success"; break;
case NvCtrlBadArgument:
return "Bad argument"; break;
case NvCtrlBadHandle:
return "Bad handle"; break;
case NvCtrlNoAttribute:
return "No such attribute"; break;
case NvCtrlMissingExtension:
return "Missing Extension"; break;
case NvCtrlReadOnlyAttribute:
return "Read only attribute"; break;
case NvCtrlWriteOnlyAttribute:
return "Write only attribute"; break;
case NvCtrlAttributeNotAvailable:
return "Attribute not available"; break;
case NvCtrlError: /* fall through to default */
default:
return "Unknown Error"; break;
}
} /* NvCtrlAttributesStrError() */
void NvCtrlAttributeClose(NvCtrlAttributeHandle *handle)
{
NvCtrlAttributePrivateHandle *h;
if (!handle) return;
h = (NvCtrlAttributePrivateHandle *) handle;
/*
* XXX should free any additional resources allocated by each
* subsystem
*/
free(h);
} /* NvCtrlAttributeClose() */
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