Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/dma_test.h b/arch/arm/mach-msm/include/mach/dma_test.h
new file mode 100644
index 0000000..c0464fa
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/dma_test.h
@@ -0,0 +1,52 @@
+/* Copyright (c) 2008-2009, Code Aurora Forum. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MSM_DMA_TEST__
+#define __MSM_DMA_TEST__
+
+#include <linux/ioctl.h>
+
+#define MSM_DMA_IOC_MAGIC 0x83
+
+/* The testing driver can manage a series of buffers. These are
+ * allocated and freed using these calls. */
+struct msm_dma_alloc_req {
+ int size; /* Size of this request, in bytes. */
+ int bufnum; /* OUT: Number of buffer allocated. */
+};
+#define MSM_DMA_IOALLOC _IOWR(MSM_DMA_IOC_MAGIC, 2, struct msm_dma_alloc_req)
+
+/* Free the specified buffer. */
+#define MSM_DMA_IOFREE _IOW(MSM_DMA_IOC_MAGIC, 3, int)
+
+/* Free all used buffers. */
+#define MSM_DMA_IOFREEALL _IO(MSM_DMA_IOC_MAGIC, 7)
+
+/* Read/write data into kernel buffer. */
+struct msm_dma_bufxfer {
+ void *data;
+ int size;
+ int bufnum;
+};
+#define MSM_DMA_IOWBUF _IOW(MSM_DMA_IOC_MAGIC, 4, struct msm_dma_bufxfer)
+#define MSM_DMA_IORBUF _IOW(MSM_DMA_IOC_MAGIC, 5, struct msm_dma_bufxfer)
+
+/* Use the data mover to copy from one buffer to another. */
+struct msm_dma_scopy {
+ int srcbuf;
+ int destbuf;
+ int size;
+};
+#define MSM_DMA_IOSCOPY _IOW(MSM_DMA_IOC_MAGIC, 6, struct msm_dma_scopy)
+
+#endif /* __MSM_DMA_TEST__ */