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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_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
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