143 lines
4.1 KiB
C
143 lines
4.1 KiB
C
/*
|
|
*
|
|
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Author: Rob Clark <rob@ti.com>
|
|
* Andy Gross <andy.gross@ti.com>
|
|
*
|
|
* 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 version 2.
|
|
*
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
|
* kind, whether express or implied; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#ifndef OMAP_DMM_TILER_H
|
|
#define OMAP_DMM_TILER_H
|
|
|
|
#include "omap_drv.h"
|
|
#include "tcm.h"
|
|
|
|
enum tiler_fmt {
|
|
TILFMT_8BIT = 0,
|
|
TILFMT_16BIT,
|
|
TILFMT_32BIT,
|
|
TILFMT_PAGE,
|
|
TILFMT_NFORMATS
|
|
};
|
|
|
|
struct pat_area {
|
|
u32 x0:8;
|
|
u32 y0:8;
|
|
u32 x1:8;
|
|
u32 y1:8;
|
|
};
|
|
|
|
struct tiler_block {
|
|
struct list_head alloc_node; /* node for global block list */
|
|
struct tcm_area area; /* area */
|
|
enum tiler_fmt fmt; /* format */
|
|
};
|
|
|
|
/* bits representing the same slot in DMM-TILER hw-block */
|
|
#define SLOT_WIDTH_BITS 6
|
|
#define SLOT_HEIGHT_BITS 6
|
|
|
|
/* bits reserved to describe coordinates in DMM-TILER hw-block */
|
|
#define CONT_WIDTH_BITS 14
|
|
#define CONT_HEIGHT_BITS 13
|
|
|
|
/* calculated constants */
|
|
#define TILER_PAGE (1 << (SLOT_WIDTH_BITS + SLOT_HEIGHT_BITS))
|
|
#define TILER_WIDTH (1 << (CONT_WIDTH_BITS - SLOT_WIDTH_BITS))
|
|
#define TILER_HEIGHT (1 << (CONT_HEIGHT_BITS - SLOT_HEIGHT_BITS))
|
|
|
|
/*
|
|
Table 15-11. Coding and Description of TILER Orientations
|
|
S Y X Description Alternate description
|
|
0 0 0 0-degree view Natural view
|
|
0 0 1 0-degree view with vertical mirror 180-degree view with horizontal mirror
|
|
0 1 0 0-degree view with horizontal mirror 180-degree view with vertical mirror
|
|
0 1 1 180-degree view
|
|
1 0 0 90-degree view with vertical mirror 270-degree view with horizontal mirror
|
|
1 0 1 270-degree view
|
|
1 1 0 90-degree view
|
|
1 1 1 90-degree view with horizontal mirror 270-degree view with vertical mirror
|
|
*/
|
|
#define MASK_XY_FLIP (1 << 31)
|
|
#define MASK_Y_INVERT (1 << 30)
|
|
#define MASK_X_INVERT (1 << 29)
|
|
#define SHIFT_ACC_MODE 27
|
|
#define MASK_ACC_MODE 3
|
|
|
|
#define MASK(bits) ((1 << (bits)) - 1)
|
|
|
|
#define TILVIEW_8BIT 0x60000000u
|
|
#define TILVIEW_16BIT (TILVIEW_8BIT + VIEW_SIZE)
|
|
#define TILVIEW_32BIT (TILVIEW_16BIT + VIEW_SIZE)
|
|
#define TILVIEW_PAGE (TILVIEW_32BIT + VIEW_SIZE)
|
|
#define TILVIEW_END (TILVIEW_PAGE + VIEW_SIZE)
|
|
|
|
/* create tsptr by adding view orientation and access mode */
|
|
#define TIL_ADDR(x, orient, a)\
|
|
((u32) (x) | (orient) | ((a) << SHIFT_ACC_MODE))
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
int tiler_map_show(struct seq_file *s, void *arg);
|
|
#endif
|
|
|
|
/* pin/unpin */
|
|
int tiler_pin(struct tiler_block *block, struct page **pages,
|
|
uint32_t npages, uint32_t roll, bool wait);
|
|
int tiler_unpin(struct tiler_block *block);
|
|
|
|
/* reserve/release */
|
|
struct tiler_block *tiler_reserve_2d(enum tiler_fmt fmt, uint16_t w, uint16_t h,
|
|
uint16_t align);
|
|
struct tiler_block *tiler_reserve_1d(size_t size);
|
|
int tiler_release(struct tiler_block *block);
|
|
|
|
/* utilities */
|
|
dma_addr_t tiler_ssptr(struct tiler_block *block);
|
|
dma_addr_t tiler_tsptr(struct tiler_block *block, uint32_t orient,
|
|
uint32_t x, uint32_t y);
|
|
uint32_t tiler_stride(enum tiler_fmt fmt, uint32_t orient);
|
|
size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h);
|
|
size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h);
|
|
void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h);
|
|
uint32_t tiler_get_cpu_cache_flags(void);
|
|
bool dmm_is_available(void);
|
|
|
|
extern struct platform_driver omap_dmm_driver;
|
|
|
|
/* GEM bo flags -> tiler fmt */
|
|
static inline enum tiler_fmt gem2fmt(uint32_t flags)
|
|
{
|
|
switch (flags & OMAP_BO_TILED) {
|
|
case OMAP_BO_TILED_8:
|
|
return TILFMT_8BIT;
|
|
case OMAP_BO_TILED_16:
|
|
return TILFMT_16BIT;
|
|
case OMAP_BO_TILED_32:
|
|
return TILFMT_32BIT;
|
|
default:
|
|
return TILFMT_PAGE;
|
|
}
|
|
}
|
|
|
|
static inline bool validfmt(enum tiler_fmt fmt)
|
|
{
|
|
switch (fmt) {
|
|
case TILFMT_8BIT:
|
|
case TILFMT_16BIT:
|
|
case TILFMT_32BIT:
|
|
case TILFMT_PAGE:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#endif
|