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/* Copyright (c) 2008-2009, The Linux Foundation. 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__ */
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