1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/char/s3c_mem.h b/drivers/char/s3c_mem.h
new file mode 100644
index 0000000..98dd17e
--- /dev/null
+++ b/drivers/char/s3c_mem.h
@@ -0,0 +1,102 @@
+/* drivers/char/s3c_mem.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s3c mem
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#define DEBUG_S3C_MEM
+#undef	DEBUG_S3C_MEM
+
+#ifdef DEBUG_S3C_MEM
+#define DEBUG(fmt, args...) 	printk(fmt, ##args)
+#else
+#define DEBUG(fmt, args...) 	do {} while (0)
+#endif
+
+#ifdef CONFIG_S3C_DMA_MEM
+#include "s3c_dma_mem.h"
+#endif
+
+#define MEM_IOCTL_MAGIC			'M'
+
+#define S3C_MEM_ALLOC			_IOWR(MEM_IOCTL_MAGIC, 310, struct s3c_mem_alloc)
+#define S3C_MEM_FREE			_IOWR(MEM_IOCTL_MAGIC, 311, struct s3c_mem_alloc)
+
+#define S3C_MEM_SHARE_ALLOC		_IOWR(MEM_IOCTL_MAGIC, 314, struct s3c_mem_alloc)
+#define S3C_MEM_SHARE_FREE		_IOWR(MEM_IOCTL_MAGIC, 315, struct s3c_mem_alloc)
+
+#define S3C_MEM_CACHEABLE_ALLOC		_IOWR(MEM_IOCTL_MAGIC, 316, struct s3c_mem_alloc)
+#define S3C_MEM_CACHEABLE_SHARE_ALLOC	_IOWR(MEM_IOCTL_MAGIC, 317, struct s3c_mem_alloc)
+
+#ifdef CONFIG_S3C_DMA_MEM
+#define S3C_MEM_DMA_COPY		_IOWR(MEM_IOCTL_MAGIC, 318, struct s3c_mem_dma_param)
+#endif
+
+#define S3C_MEM_GET_PADDR		_IOWR(MEM_IOCTL_MAGIC, 320, struct s3c_mem_alloc)
+
+#ifdef CONFIG_VIDEO_SAMSUNG_USE_DMA_MEM
+#define S3C_MEM_CMA_ALLOC		\
+			_IOWR(MEM_IOCTL_MAGIC, 321, struct s3c_mem_alloc)
+#define S3C_MEM_CMA_FREE		\
+			_IOWR(MEM_IOCTL_MAGIC, 322, struct s3c_mem_alloc)
+#endif
+
+#define MEM_ALLOC			1
+#define MEM_ALLOC_SHARE			2
+#define MEM_ALLOC_CACHEABLE		3
+#define MEM_ALLOC_CACHEABLE_SHARE	4
+
+#ifdef CONFIG_VIDEO_SAMSUNG_USE_DMA_MEM
+#define MEM_CMA_ALLOC	5
+#endif
+
+#define S3C_MEM_MINOR  			13
+#undef USE_DMA_ALLOC
+
+static DEFINE_MUTEX(mem_alloc_lock);
+static DEFINE_MUTEX(mem_free_lock);
+
+static DEFINE_MUTEX(mem_share_alloc_lock);
+static DEFINE_MUTEX(mem_share_free_lock);
+
+static DEFINE_MUTEX(mem_cacheable_alloc_lock);
+static DEFINE_MUTEX(mem_cacheable_share_alloc_lock);
+
+#ifdef CONFIG_VIDEO_SAMSUNG_USE_DMA_MEM
+static DEFINE_MUTEX(mem_open_lock);
+static DEFINE_MUTEX(mem_release_lock);
+#endif
+
+struct s3c_mem_alloc {
+	int size;
+	unsigned int vir_addr;
+	unsigned int phy_addr;
+
+#ifdef USE_DMA_ALLOC
+	unsigned int kvir_addr;
+#endif
+};
+
+#ifdef CONFIG_S3C_DMA_MEM
+#define s3c_dma_init() s3c_dma_mem_init()
+#else
+#define s3c_dma_init() do { } while (0)
+#endif
+
+#ifdef CONFIG_VIDEO_SAMSUNG_USE_DMA_MEM
+#define S3C_MEM_CMA_MAX_CTX_BUF 3
+extern int s3c_mem_open(struct inode *inode, struct file *filp);
+extern int s3c_mem_release(struct inode *inode, struct file *filp);
+
+struct s3c_dev_info {
+	struct s3c_mem_alloc s_cur_mem_info[S3C_MEM_CMA_MAX_CTX_BUF];
+	int s3c_mem_ctx_buf_num;
+};
+
+#endif