/*
* 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 <pthread.h>
#include <xf86drm.h>
#include <omap_drm.h>
#include <omap_drmif.h>
#include <ti/ipc/mm/MmRpc.h>
#include "dce_priv.h"
#include "libdce.h"
#include "dce_rpc.h"
#include "memplugin.h"
#define INVALID_DRM_FD (-1)
static int OmapDrm_FD = INVALID_DRM_FD;
static int dce_init_count = 0;
struct omap_device *OmapDev = NULL;
extern MmRpc_Handle MmRpcHandle[];
extern pthread_mutex_t ipc_mutex;
void *dce_init(void)
{
dce_error_status eError = DCE_EOK;
pthread_mutexattr_t attr;
DEBUG(" >> dce_init");
/* Use this for refcount */
dce_init_count++;
/* Open omapdrm device only for the first dce_init call */
if( dce_init_count == 1 ) {
DEBUG("Open omapdrm device and initializing the mutex...");
OmapDrm_FD = drmOpenWithType("omapdrm", NULL, DRM_NODE_RENDER);
_ASSERT(OmapDrm_FD > 0, DCE_EOMAPDRM_FAIL);
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&ipc_mutex, &attr);
}
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 (--dce_init_count == 0) {
DEBUG("Closing omapdrm device...");
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;
pthread_mutex_lock(&ipc_mutex);
_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);
}
pthread_mutex_unlock(&ipc_mutex);
return (eError);
}
int dce_buf_unlock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
pthread_mutex_lock(&ipc_mutex);
_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);
}
pthread_mutex_unlock(&ipc_mutex);
return (eError);
}
/*Memory Management mirror APIs for DSP remoteproc targets*/
void *dsp_dce_alloc(int sz)
{
/*
Beware: The last argument is a bit field. As of now only core ID
is considered to be there in the last 4 bits of the word.
*/
return (memplugin_alloc(sz, 1, MEM_TILER_1D, 0, DSP));
}
void dsp_dce_free(void *ptr)
{
memplugin_free(ptr);
}
int dsp_dce_buf_lock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
pthread_mutex_lock(&ipc_mutex);
_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);
}
pthread_mutex_unlock(&ipc_mutex);
return (eError);
}
int dsp_dce_buf_unlock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
pthread_mutex_lock(&ipc_mutex);
_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);
}
pthread_mutex_unlock(&ipc_mutex);
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);
}