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/*
* Copyright (C) 2013-2014 Freescale Semiconductor, Inc. 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 _UAPI_PXP_DEVICE
#define _UAPI_PXP_DEVICE
#include <linux/pxp_dma.h>
struct pxp_chan_handle {
unsigned int handle;
int hist_status;
};
struct pxp_mem_desc {
unsigned int handle;
unsigned int size;
dma_addr_t phys_addr;
unsigned int virt_uaddr; /* virtual user space address */
unsigned int mtype;
};
struct pxp_mem_flush {
unsigned int handle;
unsigned int type;
};
#define PXP_IOC_MAGIC 'P'
#define PXP_IOC_GET_CHAN _IOR(PXP_IOC_MAGIC, 0, struct pxp_mem_desc)
#define PXP_IOC_PUT_CHAN _IOW(PXP_IOC_MAGIC, 1, struct pxp_mem_desc)
#define PXP_IOC_CONFIG_CHAN _IOW(PXP_IOC_MAGIC, 2, struct pxp_mem_desc)
#define PXP_IOC_START_CHAN _IOW(PXP_IOC_MAGIC, 3, struct pxp_mem_desc)
#define PXP_IOC_GET_PHYMEM _IOWR(PXP_IOC_MAGIC, 4, struct pxp_mem_desc)
#define PXP_IOC_PUT_PHYMEM _IOW(PXP_IOC_MAGIC, 5, struct pxp_mem_desc)
#define PXP_IOC_WAIT4CMPLT _IOWR(PXP_IOC_MAGIC, 6, struct pxp_mem_desc)
#define PXP_IOC_FLUSH_PHYMEM _IOR(PXP_IOC_MAGIC, 7, struct pxp_mem_flush)
/* Memory types supported*/
#define MEMORY_TYPE_UNCACHED 0x0
#define MEMORY_TYPE_WC 0x1
#define MEMORY_TYPE_CACHED 0x2
/* Cache flush operations */
#define CACHE_CLEAN 0x1
#define CACHE_INVALIDATE 0x2
#define CACHE_FLUSH 0x4
#endif
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