Kernel handling of command queue

This adds handling of Glamo's ring buffer at the kernel level, to be accessed
via ioctl DRM_GLAMO_CMDBUF.

Signed-off-by: Thomas White <taw@bitwiz.org.uk>

1 files changed, 57 insertions, 0 deletions

diff --git a/drivers/mfd/glamo/glamo-drm-private.h b/drivers/mfd/glamo/glamo-drm-private.h
new file mode 100644
index 00000000000..f6bc5b17e5e
--- /dev/null
+++ b/drivers/mfd/glamo/glamo-drm-private.h
@@ -0,0 +1,57 @@
+/* Smedia Glamo 336x/337x DRM private bits
+ *
+ * Copyright (C) 2008-2009 Thomas White <taw@bitwiz.org.uk>
+ * Based on xf86-video-glamo
+ * Copyright  2007 OpenMoko, Inc.
+ * Copyright © 2009 Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * All rights reserved.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __GLAMO_DRMPRIV_H
+#define __GLAMO_DRMPRIV_H
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "glamo-core.h"
+
+struct glamodrm_handle {
+
+	/* This device */
+	struct device *dev;
+	/* The parent device handle */
+	struct glamo_core *glamo_core;
+
+	/* Command queue registers */
+	struct resource *reg;
+	char __iomem *reg_base;
+
+	/* VRAM region */
+	struct resource *vram;
+	char __iomem *vram_base;
+
+	/* Command queue region */
+	struct resource *cmdq;
+	char __iomem *cmdq_base;
+
+	ssize_t vram_size;
+};
+
+
+#endif /* __GLAMO_DRMPRIV_H */