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path: root/drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c
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Diffstat (limited to 'drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c')
-rw-r--r--drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c b/drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c
new file mode 100644
index 00000000000..0efd1d88921
--- /dev/null
+++ b/drivers/gpu/arm/mali400/r4p0_rel0/linux/mali_ukk_timeline.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/fs.h> /* file system operations */
+#include <asm/uaccess.h> /* user space access */
+
+#include "mali_ukk.h"
+#include "mali_osk.h"
+#include "mali_kernel_common.h"
+#include "mali_session.h"
+#include "mali_ukk_wrappers.h"
+
+#include "mali_timeline.h"
+#include "mali_timeline_fence_wait.h"
+#include "mali_timeline_sync_fence.h"
+
+int timeline_get_latest_point_wrapper(struct mali_session_data *session, _mali_uk_timeline_get_latest_point_s __user *uargs)
+{
+ u32 val;
+ mali_timeline_id timeline;
+ mali_timeline_point point;
+
+ MALI_DEBUG_ASSERT_POINTER(session);
+
+ if (0 != get_user(val, &uargs->timeline)) return -EFAULT;
+
+ if (MALI_UK_TIMELINE_MAX <= val) {
+ return -EINVAL;
+ }
+
+ timeline = (mali_timeline_id)val;
+
+ point = mali_timeline_system_get_latest_point(session->timeline_system, timeline);
+
+ if (0 != put_user(point, &uargs->point)) return -EFAULT;
+
+ return 0;
+}
+
+int timeline_wait_wrapper(struct mali_session_data *session, _mali_uk_timeline_wait_s __user *uargs)
+{
+ u32 timeout, status;
+ mali_bool ret;
+ _mali_uk_fence_t uk_fence;
+ struct mali_timeline_fence fence;
+
+ MALI_DEBUG_ASSERT_POINTER(session);
+
+ if (0 != copy_from_user(&uk_fence, &uargs->fence, sizeof(_mali_uk_fence_t))) return -EFAULT;
+ if (0 != get_user(timeout, &uargs->timeout)) return -EFAULT;
+
+ mali_timeline_fence_copy_uk_fence(&fence, &uk_fence);
+
+ ret = mali_timeline_fence_wait(session->timeline_system, &fence, timeout);
+ status = (MALI_TRUE == ret ? 1 : 0);
+
+ if (0 != put_user(status, &uargs->status)) return -EFAULT;
+
+ return 0;
+}
+
+int timeline_create_sync_fence_wrapper(struct mali_session_data *session, _mali_uk_timeline_create_sync_fence_s __user *uargs)
+{
+ s32 sync_fd = -1;
+ _mali_uk_fence_t uk_fence;
+ struct mali_timeline_fence fence;
+
+ MALI_DEBUG_ASSERT_POINTER(session);
+
+ if (0 != copy_from_user(&uk_fence, &uargs->fence, sizeof(_mali_uk_fence_t))) return -EFAULT;
+ mali_timeline_fence_copy_uk_fence(&fence, &uk_fence);
+
+#if defined(CONFIG_SYNC)
+ sync_fd = mali_timeline_sync_fence_create(session->timeline_system, &fence);
+#else
+ sync_fd = -1;
+#endif /* defined(CONFIG_SYNC) */
+
+ if (0 != put_user(sync_fd, &uargs->sync_fd)) return -EFAULT;
+
+ return 0;
+}