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/*
* $Id: $
*
* Copyright © 2006 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stddef.h>
#include <string.h>
#include <stdio.h>
#include "xf86.h"
#include "i830_xf86Crtc.h"
/*
* Crtc functions
*/
xf86CrtcPtr
xf86CrtcCreate (ScrnInfoPtr scrn,
const xf86CrtcFuncsRec *funcs)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86CrtcPtr crtc;
crtc = xcalloc (sizeof (xf86CrtcRec), 1);
if (!crtc)
return NULL;
crtc->scrn = scrn;
crtc->funcs = funcs;
#ifdef RANDR_12_INTERFACE
crtc->randr_crtc = RRCrtcCreate (crtc);
if (!crtc->randr_crtc)
{
xfree (crtc);
return NULL;
}
#endif
xf86_config->crtc[xf86_config->num_crtc++] = crtc;
return crtc;
}
void
xf86CrtcDestroy (xf86CrtcPtr crtc)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
int c;
(*crtc->funcs->destroy) (crtc);
#ifdef RANDR_12_INTERFACE
RRCrtcDestroy (crtc->randr_crtc);
#endif
for (c = 0; c < xf86_config->num_crtc; c++)
if (xf86_config->crtc[c] == crtc)
{
memmove (&xf86_config->crtc[c],
&xf86_config->crtc[c+1],
xf86_config->num_crtc - (c + 1));
xf86_config->num_crtc--;
break;
}
xfree (crtc);
}
/*
* Output functions
*/
xf86OutputPtr
xf86OutputCreate (ScrnInfoPtr scrn,
const xf86OutputFuncsRec *funcs,
const char *name)
{
xf86OutputPtr output;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
int len = strlen (name);
output = xcalloc (sizeof (xf86OutputRec) + len + 1, 1);
if (!output)
return NULL;
output->scrn = scrn;
output->funcs = funcs;
output->name = (char *) (output + 1);
strcpy (output->name, name);
#ifdef RANDR_12_INTERFACE
output->randr_output = RROutputCreate (name, strlen (name), output);
if (!output->randr_output)
{
xfree (output);
return NULL;
}
#endif
xf86_config->output[xf86_config->num_output++] = output;
return output;
}
void
xf86OutputDestroy (xf86OutputPtr output)
{
ScrnInfoPtr scrn = output->scrn;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
int o;
(*output->funcs->destroy) (output);
#ifdef RANDR_12_INTERFACE
RROutputDestroy (output->randr_output);
#endif
while (output->probed_modes)
xf86DeleteMode (&output->probed_modes, output->probed_modes);
for (o = 0; o < xf86_config->num_output; o++)
if (xf86_config->output[o] == output)
{
memmove (&xf86_config->output[o],
&xf86_config->output[o+1],
xf86_config->num_output - (o + 1));
xf86_config->num_output--;
break;
}
xfree (output);
}
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