1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/video/fbdev/pxa3xx-gcu.h b/drivers/video/fbdev/pxa3xx-gcu.h
new file mode 100644
index 000000000000..0428ed03dc49
--- /dev/null
+++ b/drivers/video/fbdev/pxa3xx-gcu.h
@@ -0,0 +1,38 @@
+#ifndef __PXA3XX_GCU_H__
+#define __PXA3XX_GCU_H__
+
+#include <linux/types.h>
+
+/* Number of 32bit words in display list (ring buffer). */
+#define PXA3XX_GCU_BUFFER_WORDS  ((256 * 1024 - 256) / 4)
+
+/* To be increased when breaking the ABI */
+#define PXA3XX_GCU_SHARED_MAGIC  0x30000001
+
+#define PXA3XX_GCU_BATCH_WORDS   8192
+
+struct pxa3xx_gcu_shared {
+        u32            buffer[PXA3XX_GCU_BUFFER_WORDS];
+
+        bool           hw_running;
+
+        unsigned long  buffer_phys;
+
+        unsigned int   num_words;
+        unsigned int   num_writes;
+        unsigned int   num_done;
+        unsigned int   num_interrupts;
+        unsigned int   num_wait_idle;
+        unsigned int   num_wait_free;
+        unsigned int   num_idle;
+
+        u32            magic;
+};
+
+/* Initialization and synchronization.
+ * Hardware is started upon write(). */
+#define PXA3XX_GCU_IOCTL_RESET          _IO('G', 0)
+#define PXA3XX_GCU_IOCTL_WAIT_IDLE      _IO('G', 2)
+
+#endif /* __PXA3XX_GCU_H__ */
+