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Diffstat (limited to 'include/uapi/linux/pxp_device.h')
-rw-r--r--include/uapi/linux/pxp_device.h63
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