1 files changed, 66 insertions, 0 deletions
diff --git a/linux-core/xgi_cmdlist.h b/linux-core/xgi_cmdlist.h
new file mode 100644
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+++ b/linux-core/xgi_cmdlist.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+ * Copyright (C) 2003-2006 by XGI Technology, Taiwan.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * XGI AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ ***************************************************************************/
+
+#ifndef _XGI_CMDLIST_H_
+#define _XGI_CMDLIST_H_
+
+struct xgi_cmdring_info {
+	/**
+	 * Kernel space pointer to the base of the command ring.
+	 */
+	u32 * ptr;
+
+	/**
+	 * Size, in bytes, of the command ring.
+	 */
+	unsigned int size;
+
+	/**
+	 * Base address of the command ring from the hardware's PoV.
+	 */
+	unsigned int ring_hw_base;
+
+	u32 * last_ptr;
+
+	/**
+	 * Offset, in bytes, from the start of the ring to the next available
+	 * location to store a command.
+	 */
+	unsigned int ring_offset;
+};
+
+struct xgi_info;
+extern int xgi_cmdlist_initialize(struct xgi_info * info, size_t size,
+	struct drm_file * filp);
+
+extern int xgi_state_change(struct xgi_info * info, unsigned int to,
+	unsigned int from);
+
+extern void xgi_cmdlist_cleanup(struct xgi_info * info);
+
+extern void xgi_emit_irq(struct xgi_info * info);
+
+#endif				/* _XGI_CMDLIST_H_ */