1 files changed, 68 insertions, 0 deletions
diff --git a/include/linux/pxp_device.h b/include/linux/pxp_device.h
new file mode 100644
index 000000000000..df185c49d017
--- /dev/null
+++ b/include/linux/pxp_device.h
@@ -0,0 +1,68 @@
+/*
+ * 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 _PXP_DEVICE
+#define _PXP_DEVICE
+
+#include <linux/idr.h>
+#include <linux/hash.h>
+#include <uapi/linux/pxp_device.h>
+
+struct pxp_irq_info {
+	wait_queue_head_t waitq;
+	atomic_t irq_pending;
+	int hist_status;
+};
+
+struct pxp_buffer_hash {
+	struct hlist_head *hash_table;
+	u32 order;
+	spinlock_t hash_lock;
+};
+
+struct pxp_buf_obj {
+	uint32_t handle;
+
+	uint32_t size;
+	uint32_t mem_type;
+
+	unsigned long offset;
+	void *virtual;
+
+	struct hlist_node item;
+};
+
+struct pxp_chan_obj {
+	uint32_t handle;
+	struct dma_chan *chan;
+};
+
+/* File private data */
+struct pxp_file {
+	struct file *filp;
+
+	/* record allocated dma buffer */
+	struct idr buffer_idr;
+	spinlock_t buffer_lock;
+
+	/* record allocated dma channel */
+	struct idr channel_idr;
+	spinlock_t channel_lock;
+};
+
+#endif