static void
etna_screen_destroy(struct pipe_screen *pscreen)
{
struct etna_screen *screen = etna_screen(pscreen);
if (screen->pipe)
etna_pipe_del(screen->pipe);
if (screen->gpu)
etna_gpu_del(screen->gpu);
if (screen->ro)
FREE(screen->ro);
if (screen->dev)
etna_device_del(screen->dev);
FREE(screen);
}
int main(int argc, char *argv[])
{
struct etna_device *dev;
drmVersionPtr version;
int fd, ret = 0;
fd = open(argv[1], O_RDWR);
if (fd < 0)
return 1;
version = drmGetVersion(fd);
if (version) {
printf("Version: %d.%d.%d\n", version->version_major,
version->version_minor, version->version_patchlevel);
printf(" Name: %s\n", version->name);
printf(" Date: %s\n", version->date);
printf(" Description: %s\n", version->desc);
drmFreeVersion(version);
}
dev = etna_device_new(fd);
if (!dev) {
ret = 2;
goto out;
}
test_cache(dev);
test_size_rounding(dev);
etna_device_del(dev);
out:
close(fd);
return ret;
}
/* get buffer info */
static int get_buffer_info(struct etna_bo *bo)
{
struct drm_vivante_gem_info req = {
.handle = bo->handle,
};
int ret = drmCommandWriteRead(bo->dev->fd, DRM_VIVANTE_GEM_INFO,
&req, sizeof(req));
if (ret) {
return ret;
}
/* really all we need for now is mmap offset */
bo->offset = req.offset;
return 0;
}
/* import a buffer object from DRI2 name */
struct etna_bo * etna_bo_from_name(struct etna_device *dev, uint32_t name)
{
struct drm_gem_open req = {
.name = name,
};
struct etna_bo *bo;
pthread_mutex_lock(&table_lock);
/* check name table first, to see if bo is already open: */
bo = lookup_bo(dev, req.handle);
if (bo)
goto out_unlock;
if (drmIoctl(dev->fd, DRM_IOCTL_GEM_OPEN, &req)) {
ERROR_MSG("gem-open failed: %s", strerror(errno));
goto out_unlock;
}
bo = lookup_bo(dev, req.handle);
if (bo)
goto out_unlock;
bo = bo_from_handle(dev, req.size, req.handle);
if (bo)
set_name(bo, name);
out_unlock:
pthread_mutex_unlock(&table_lock);
return bo;
}
/* import a buffer from dmabuf fd, does not take ownership of the
* fd so caller should close() the fd when it is otherwise done
* with it (even if it is still using the 'struct etna_bo *')
*/
struct etna_bo * etna_bo_from_dmabuf(struct etna_device *dev, int fd)
{
#if 0
struct etna_bo *bo = NULL;
struct drm_prime_handle req = {
.fd = fd,
};
int ret;
pthread_mutex_lock(&table_lock);
ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &req);
if (ret) {
goto fail;
}
bo = lookup_bo(dev, req.handle);
if (!bo) {
bo = bo_from_handle(dev, req.handle);
}
pthread_mutex_unlock(&table_lock);
return bo;
fail:
pthread_mutex_unlock(&table_lock);
free(bo);
#endif
return NULL;
}
/* destroy a buffer object */
void etna_bo_del(struct etna_bo *bo)
{
if (!bo)
return;
if (!atomic_dec_and_test(&bo->refcnt))
return;
if (bo->map)
munmap(bo->map, bo->size);
if (bo->fd)
close(bo->fd);
if (bo->handle) {
struct drm_gem_close req = {
.handle = bo->handle,
};
pthread_mutex_lock(&table_lock);
drmHashDelete(bo->dev->handle_table, bo->handle);
drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_CLOSE, &req);
pthread_mutex_unlock(&table_lock);
}
etna_device_del(bo->dev);
free(bo);
}
/* get the global flink/DRI2 buffer name */
int etna_bo_get_name(struct etna_bo *bo, uint32_t *name)
{
if (!bo->name) {
struct drm_gem_flink req = {
.handle = bo->handle,
};
int ret;
ret = drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_FLINK, &req);
if (ret) {
return ret;
}
bo->name = req.name;
}
*name = bo->name;
return 0;
}
uint32_t etna_bo_handle(struct etna_bo *bo)
{
return bo->handle;
}
/* caller owns the dmabuf fd that is returned and is responsible
* to close() it when done
*/
int etna_bo_dmabuf(struct etna_bo *bo)
{
if (!bo->fd) {
struct drm_prime_handle req = {
.handle = bo->handle,
.flags = DRM_CLOEXEC,
};
int ret;
ret = drmIoctl(bo->dev->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &req);
if (ret) {
return ret;
}
bo->fd = req.fd;
}
return dup(bo->fd);
}
uint32_t etna_bo_size(struct etna_bo *bo)
{
if (!bo->size) {
get_buffer_info(bo);
}
return bo->size;
}
void * etna_bo_map(struct etna_bo *bo)
{
if (!bo->map) {
if (!bo->offset) {
get_buffer_info(bo);
}
bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE,
MAP_SHARED, bo->dev->fd, bo->offset);
if (bo->map == MAP_FAILED) {
bo->map = NULL;
}
}
return bo->map;
}
int etna_bo_cpu_prep(struct etna_bo *bo, uint32_t op)
{
return 0;
}
void etna_bo_cpu_fini(struct etna_bo *bo)
{
}
