asdk-repo-libdce
Public
Source
committed fc0bd63ab3726
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;27
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,28
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR29
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,30
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.31
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*/32
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#include <stdlib.h>34
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#include <string.h>35
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#include <stdio.h>36
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#include <pthread.h>38
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#include <xf86drm.h>40
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#include <omap_drm.h>41
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#include <omap_drmif.h>42
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#include <ti/ipc/mm/MmRpc.h>44
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#include "dce_priv.h"45
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#include "libdce.h"46
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#include "dce_rpc.h"47
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#include "memplugin.h"48
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#define INVALID_DRM_FD (-1)50
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int OmapDrm_FD = INVALID_DRM_FD;52
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int bDrmOpenedByDce = FALSE;50
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static int OmapDrm_FD = INVALID_DRM_FD;51
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static int dce_init_count = 0;53
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struct omap_device *OmapDev = NULL;54
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extern MmRpc_Handle MmRpcHandle[];55
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extern pthread_mutex_t ipc_mutex;57
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void *dce_init(void)59
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{60
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dce_error_status eError = DCE_EOK;59
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pthread_mutexattr_t attr;61
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DEBUG(" >> dce_init");63
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pthread_mutexattr_t attr;65
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pthread_mutexattr_init(&attr);66
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);67
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pthread_mutex_init(&ipc_mutex, &attr);63
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/* Use this for refcount */64
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dce_init_count++;68
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/* Open omapdrm device */70
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if( OmapDrm_FD == INVALID_DRM_FD ) {71
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DEBUG("Open omapdrm device");66
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/* Open omapdrm device only for the first dce_init call */67
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if( dce_init_count == 1 ) {68
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DEBUG("Open omapdrm device and initializing the mutex...");72
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OmapDrm_FD = drmOpen("omapdrm", "platform:omapdrm:00");73
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_ASSERT(OmapDrm_FD > 0, DCE_EOMAPDRM_FAIL);74
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bDrmOpenedByDce = TRUE;71
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pthread_mutexattr_init(&attr);73
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pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);74
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pthread_mutex_init(&ipc_mutex, &attr);75
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}76
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OmapDev = omap_device_new(OmapDrm_FD);77
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_ASSERT(OmapDev != NULL, DCE_EOMAPDRM_FAIL);78
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EXIT:80
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return ((void *)OmapDev);81
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}82
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void dce_deinit(void *dev)84
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{85
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omap_device_del(dev);86
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dev = NULL;87
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if (bDrmOpenedByDce == TRUE) {88
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if (--dce_init_count == 0) {89
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DEBUG("Closing omapdrm device...");88
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close(OmapDrm_FD);89
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bDrmOpenedByDce = FALSE;91
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OmapDrm_FD = INVALID_DRM_FD;90
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}91
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OmapDrm_FD = INVALID_DRM_FD;92
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return;94
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}95
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int dce_buf_lock(int num, size_t *handle)97
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{98
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int i;99
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MmRpc_BufDesc *desc = NULL;100
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dce_error_status eError = DCE_EOK;101
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pthread_mutex_lock(&ipc_mutex);