1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
*
* 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);
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
|
