/*
* Copyright (c) 2013, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <xdc/std.h>
#include <xf86drm.h>
#include <omap_drm.h>
#include <omap_drmif.h>
#include <MmRpc.h>
#include "dce_priv.h"
#define INVALID_DRM_FD (-1)
int OmapDrm_FD = INVALID_DRM_FD;
void *dce_init(void)
{
struct omap_device *OmapDev = NULL;
dce_error_status eError = DCE_EOK;
printf(" >> dce_init\n");
/* Open omapdrm device */
if( !OmapDrm_FD && OmapDrm_FD == INVALID_DRM_FD ) {
printf("Open omapdrm device \n");
OmapDrm_FD = drmOpen("omapdrm", "platform:omapdrm:00");
_ASSERT(OmapDrm_FD > 0, DCE_EOMAPDRM_FAIL);
}
OmapDev = omap_device_new(OmapDrm_FD);
_ASSERT(OmapDev != NULL, DCE_EOMAPDRM_FAIL);
EXIT:
return ((void *)OmapDev);
}
void dce_deinit(void *dev)
{
omap_device_del(dev);
dev = NULL;
close(OmapDrm_FD);
OmapDrm_FD = INVALID_DRM_FD;
return;
}
int dce_buf_lock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
_ASSERT(num > 0, DCE_EINVALID_INPUT);
desc = memplugin_alloc(num * sizeof(MmRpc_BufDesc), 0, TILER_1D_BUFFER);
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_use(MmRpcHandle, MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
return (eError);
}
int dce_buf_unlock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
_ASSERT(num > 0, DCE_EINVALID_INPUT);
desc = memplugin_alloc(num * sizeof(MmRpc_BufDesc), 0, TILER_1D_BUFFER);
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_release(MmRpcHandle, MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
return (eError);
}
/* Incase of X11 or Wayland the fd can be shared to libdce using this call */
void dce_set_fd(int dce_fd)
{
OmapDrm_FD = dce_fd;
}
int dce_get_fd(void)
{
return (OmapDrm_FD);
}