1 files changed, 65 insertions, 0 deletions

diff --git a/drivers/video/tegra/host/host1x/host1x_hwctx.h b/drivers/video/tegra/host/host1x/host1x_hwctx.h
new file mode 100644
index 00000000000..7587642d0e1
--- /dev/null
+++ b/drivers/video/tegra/host/host1x/host1x_hwctx.h
@@ -0,0 +1,65 @@
+/*
+ * drivers/video/tegra/host/host1x/host1x_hwctx.h
+ *
+ * Tegra Graphics Host HOST1X Hardware Context Interface
+ *
+ * Copyright (c) 2012, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __NVHOST_HOST1X_HWCTX_H
+#define __NVHOST_HOST1X_HWCTX_H
+
+#include <linux/kref.h>
+
+struct nvhost_hwctx_handler;
+struct nvhost_channel;
+
+#define to_host1x_hwctx_handler(handler) \
+        container_of((handler), struct host1x_hwctx_handler, h)
+#define to_host1x_hwctx(h) container_of((h), struct host1x_hwctx, hwctx)
+#define host1x_hwctx_handler(_hwctx) to_host1x_hwctx_handler((_hwctx)->hwctx.h)
+
+struct host1x_hwctx {
+        struct nvhost_hwctx hwctx;
+
+        u32 save_incrs;
+        u32 save_thresh;
+        u32 save_slots;
+
+        struct nvmap_handle_ref *restore;
+        u32 *restore_virt;
+        phys_addr_t restore_phys;
+        u32 restore_size;
+        u32 restore_incrs;
+};
+
+struct host1x_hwctx_handler {
+        struct nvhost_hwctx_handler h;
+
+        u32 syncpt;
+        u32 waitbase;
+        u32 restore_size;
+        u32 restore_incrs;
+        struct nvmap_handle_ref *save_buf;
+        u32 save_incrs;
+        u32 save_thresh;
+        u32 save_slots;
+        phys_addr_t save_phys;
+        u32 save_size;
+};
+
+#endif