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/*
* 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 <xf86drm.h>
#include <omap_drm.h>
#include <omap_drmif.h>
#include <MmRpc.h>
#include "dce_priv.h"
#include "libdce.h"
#include "dce_rpc.h"
#include "memplugin.h"
#define INVALID_DRM_FD (-1)
int OmapDrm_FD = INVALID_DRM_FD;
int bDrmOpenedByDce = FALSE;
struct omap_device *OmapDev = NULL;
extern MmRpc_Handle MmRpcHandle[];
void *dce_init(void)
{
dce_error_status eError = DCE_EOK;
DEBUG(" >> dce_init");
/* Open omapdrm device */
if( OmapDrm_FD == INVALID_DRM_FD ) {
DEBUG("Open omapdrm device");
OmapDrm_FD = drmOpen("omapdrm", "platform:omapdrm:00");
_ASSERT(OmapDrm_FD > 0, DCE_EOMAPDRM_FAIL);
bDrmOpenedByDce = TRUE;
}
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;
if (bDrmOpenedByDce == TRUE) {
close(OmapDrm_FD);
bDrmOpenedByDce = FALSE;
}
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 = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_use(MmRpcHandle[IPU], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
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 = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_release(MmRpcHandle[IPU], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
return (eError);
}
/*These two are duplicate of above two functions
These have been added temporarily since there is no
other way to get the core index.These have been
added to avoid modifying the current apis */
int dsp_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 = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_use(MmRpcHandle[DSP], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
return (eError);
}
int dsp_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 = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_release(MmRpcHandle[DSP], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
return (eError);
}
/* Incase of X11 or Wayland the fd can be shared to libdce using this call */
void dce_set_fd(int dce_fd)
{
if (OmapDrm_FD == INVALID_DRM_FD) {
OmapDrm_FD = dce_fd;
}
else {
DEBUG("Cannot set the fd, omapdrm device fd is already set");
}
}
int dce_get_fd(void)
{
return (OmapDrm_FD);
}
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