1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/media/video/tiler/tiler.h b/drivers/media/video/tiler/tiler.h
new file mode 100644
index 000000000000..b8adf1439b6f
--- /dev/null
+++ b/drivers/media/video/tiler/tiler.h
@@ -0,0 +1,116 @@
+/*
+ * tiler.h
+ *
+ * TILER driver support functions for TI OMAP processors.
+ *
+ * Copyright (C) 2009-2010 Texas Instruments, Inc.
+ *
+ * This package 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.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef TILER_H
+#define TILER_H
+
+#define TILER_PAGE 0x1000
+#define TILER_WIDTH    256
+#define TILER_HEIGHT   128
+#define TILER_BLOCK_WIDTH  64
+#define TILER_BLOCK_HEIGHT 64
+#define TILER_LENGTH (TILER_WIDTH * TILER_HEIGHT * TILER_PAGE)
+
+#define TILER_MAX_NUM_BLOCKS 16
+
+#define TILIOC_GBUF  _IOWR('z', 100, u32)
+#define TILIOC_FBUF  _IOWR('z', 101, u32)
+#define TILIOC_GSSP  _IOWR('z', 102, u32)
+#define TILIOC_MBUF  _IOWR('z', 103, u32)
+#define TILIOC_UMBUF _IOWR('z', 104, u32)
+#define TILIOC_QBUF  _IOWR('z', 105, u32)
+#define TILIOC_RBUF  _IOWR('z', 106, u32)
+#define TILIOC_URBUF _IOWR('z', 107, u32)
+#define TILIOC_QUERY_BLK _IOWR('z', 108, u32)
+
+enum tiler_fmt {
+	TILFMT_MIN     = -1,
+	TILFMT_INVALID = -1,
+	TILFMT_NONE    = 0,
+	TILFMT_8BIT    = 1,
+	TILFMT_16BIT   = 2,
+	TILFMT_32BIT   = 3,
+	TILFMT_PAGE    = 4,
+	TILFMT_MAX     = 4
+};
+
+struct area {
+	u16 width;
+	u16 height;
+};
+
+struct tiler_block_info {
+	enum tiler_fmt fmt;
+	union {
+		struct area area;
+		u32 len;
+	} dim;
+	u32 stride;
+	void *ptr;
+	u32 ssptr;
+};
+
+struct tiler_buf_info {
+	s32 num_blocks;
+	struct tiler_block_info blocks[TILER_MAX_NUM_BLOCKS];
+	s32 offset;
+};
+
+struct tiler_view_orient {
+	u8 rotate_90;
+	u8 x_invert;
+	u8 y_invert;
+};
+
+/**
+ * Request a 1-D or 2-D TILER buffer.
+ *
+ * @param fmt TILER bit mode.
+ * @param width buffer width.
+ * @param height buffer height.
+ * @param sys_addr system space (L3) address.
+ *
+ * @return an error status.
+ */
+s32 tiler_alloc(enum tiler_fmt fmt, u32 width, u32 height, u32 *sys_addr);
+
+/**
+ * Free TILER memory.
+ * @param sys_addr system space (L3) address.
+ * @return an error status.
+ */
+s32 tiler_free(u32 sys_addr);
+
+u32 tiler_reorient_addr(u32 tsptr, struct tiler_view_orient orient);
+
+u32 tiler_get_natural_addr(void *sys_ptr);
+
+u32 tiler_reorient_topleft(u32 tsptr, struct tiler_view_orient orient,
+				u32 width, u32 height);
+
+u32 tiler_stride(u32 tsptr);
+
+void tiler_rotate_view(struct tiler_view_orient *orient, u32 rotation);
+
+void tiler_alloc_packed(s32 *count, enum tiler_fmt fmt, u32 width, u32 height,
+			void **sysptr, void **allocptr, s32 aligned);
+
+void tiler_alloc_packed_nv12(s32 *count, u32 width, u32 height, void **y_sysptr,
+				void **uv_sysptr, void **y_allocptr,
+				void **uv_allocptr, s32 aligned);
+
+#endif
+