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Diffstat (limited to 'include/uapi/linux/pxp_device.h')
-rw-r--r-- | include/uapi/linux/pxp_device.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/uapi/linux/pxp_device.h b/include/uapi/linux/pxp_device.h new file mode 100644 index 000000000000..fce89ce066bb --- /dev/null +++ b/include/uapi/linux/pxp_device.h @@ -0,0 +1,63 @@ +/* + * 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 |