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/*
* 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_MEM_8BIT 0x60000000
#define TILER_MEM_16BIT 0x68000000
#define TILER_MEM_32BIT 0x70000000
#define TILER_MEM_PAGED 0x78000000
#define TILER_MEM_END 0x80000000
#define TILER_PAGESIZE 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_PAGESIZE)
#define TILER_DEVICE_PATH "/dev/tiler"
#define TILER_MAX_NUM_BLOCKS 16
extern int errno;
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 {
unsigned short width;
unsigned short height;
};
struct tiler_block_info {
enum tiler_fmt fmt;
union {
struct area area;
unsigned long len;
} dim;
unsigned long stride;
void *ptr;
unsigned long ssptr;
};
struct tiler_buf_info {
int num_blocks;
struct tiler_block_info blocks[TILER_MAX_NUM_BLOCKS];
int offset;
};
#define TILIOC_OPEN _IOWR('z', 100, unsigned long)
#define TILIOC_GBUF _IOWR('z', 101, unsigned long)
#define TILIOC_FBUF _IOWR('z', 102, unsigned long)
#define TILIOC_CLOSE _IOWR('z', 103, unsigned long)
#define TILIOC_GSSP _IOWR('z', 104, unsigned long)
#define TILIOC_MBUF _IOWR('z', 105, unsigned long)
#define TILIOC_QBUF _IOWR('z', 106, unsigned long)
#define TILIOC_RBUF _IOWR('z', 109, unsigned long)
#define TILIOC_URBUF _IOWR('z', 110, unsigned long)
#define TILIOC_QUERY_BLK _IOWR('z', 111, unsigned long)
struct dmmViewOrientT {
unsigned char dmm90Rotate;
unsigned char dmmXInvert;
unsigned char dmmYInvert;
};
int
tiler_alloc_buf(enum tiler_fmt fmt,
unsigned long width,
unsigned long height,
void **sysptr);
int
tiler_free_buf(unsigned long sysptr);
unsigned long
tiler_reorient_addr(unsigned long tsptr, struct dmmViewOrientT orient);
unsigned long
tiler_get_natural_addr(void *sysPtr);
unsigned long
tiler_reorient_topleft(unsigned long tsptr,
struct dmmViewOrientT orient,
unsigned int validDataWidth,
unsigned int validDataHeight);
void
tiler_rotate_view(struct dmmViewOrientT *orient, unsigned long rotation);
unsigned long
tiler_stride(unsigned long tsptr);
#endif
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