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
142
143
144
145
146
147
148
|
/*
* _tiler.h
*
* TI TILER driver internal shared definitions.
*
* Author: Lajos Molnar <molnar@ti.com>
*
* 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
#include <linux/kernel.h>
#include <mach/tiler.h>
#include "tcm.h"
#define TILER_FORMATS (TILFMT_MAX - TILFMT_MIN + 1)
/* per process (thread group) info */
struct process_info {
struct list_head list; /* other processes */
struct list_head groups; /* my groups */
struct list_head bufs; /* my registered buffers */
pid_t pid; /* really: thread group ID */
u32 refs; /* open tiler devices, 0 for processes
tracked via kernel APIs */
bool kernel; /* tracking kernel objects */
};
/* per group info (within a process) */
struct gid_info {
struct list_head by_pid; /* other groups */
struct list_head areas; /* all areas in this pid/gid */
struct list_head reserved; /* areas pre-reserved */
struct list_head onedim; /* all 1D areas in this pid/gid */
u32 gid; /* group ID */
int refs; /* instances directly using this ptr */
struct process_info *pi; /* parent */
};
/* info for an area reserved from a container */
struct area_info {
struct list_head by_gid; /* areas in this pid/gid */
struct list_head blocks; /* blocks in this area */
u32 nblocks; /* # of blocks in this area */
struct tcm_area area; /* area details */
struct gid_info *gi; /* link to parent, if still alive */
};
/* info for a block */
struct mem_info {
struct list_head global; /* reserved / global blocks */
struct tiler_block_t blk; /* block info */
u32 num_pg; /* number of pages in page-list */
u32 usr; /* user space address */
u32 *pg_ptr; /* list of mapped struct page ptrs */
struct tcm_area area;
u32 *mem; /* list of alloced phys addresses */
int refs; /* number of times referenced */
bool alloced; /* still alloced */
struct list_head by_area; /* blocks in the same area / 1D */
void *parent; /* area info for 2D, else group info */
};
/* tiler geometry information */
struct tiler_geom {
u32 x_shft; /* unused X-bits (as part of bpp) */
u32 y_shft; /* unused Y-bits (as part of bpp) */
u32 bpp; /* bytes per pixel */
u32 slot_w; /* width of each slot (in pixels) */
u32 slot_h; /* height of each slot (in pixels) */
u32 bpp_m; /* modified bytes per pixel (=1 for page mode) */
};
/* methods and variables shared between source files */
struct tiler_ops {
/* block operations */
s32 (*alloc) (enum tiler_fmt fmt, u32 width, u32 height,
u32 align, u32 offs, u32 key,
u32 gid, struct process_info *pi,
struct mem_info **info);
s32 (*map) (enum tiler_fmt fmt, u32 width, u32 height,
u32 key, u32 gid, struct process_info *pi,
struct mem_info **info, u32 usr_addr);
void (*reserve_nv12) (u32 n, u32 width, u32 height, u32 align, u32 offs,
u32 gid, struct process_info *pi);
void (*reserve) (u32 n, enum tiler_fmt fmt, u32 width, u32 height,
u32 align, u32 offs, u32 gid, struct process_info *pi);
void (*unreserve) (u32 gid, struct process_info *pi);
/* block access operations */
struct mem_info * (*lock) (u32 key, u32 id, struct gid_info *gi);
struct mem_info * (*lock_by_ssptr) (u32 sys_addr);
void (*describe) (struct mem_info *i, struct tiler_block_info *blk);
void (*unlock_free) (struct mem_info *mi, bool free);
s32 (*lay_2d) (enum tiler_fmt fmt, u16 n, u16 w, u16 h, u16 band,
u16 align, u16 offs, struct gid_info *gi,
struct list_head *pos);
s32 (*lay_nv12) (int n, u16 w, u16 w1, u16 h, struct gid_info *gi,
u8 *p);
/* group operations */
struct gid_info * (*get_gi) (struct process_info *pi, u32 gid);
void (*release_gi) (struct gid_info *gi);
void (*destroy_group) (struct gid_info *pi);
/* group access operations */
void (*add_reserved) (struct list_head *reserved, struct gid_info *gi);
void (*release) (struct list_head *reserved);
/* area operations */
s32 (*analize) (enum tiler_fmt fmt, u32 width, u32 height,
u16 *x_area, u16 *y_area, u16 *band,
u16 *align, u16 *offs, u16 *in_offs);
/* process operations */
void (*cleanup) (void);
/* geometry operations */
void (*xy) (u32 ssptr, u32 *x, u32 *y);
u32 (*addr) (enum tiler_fmt fmt, u32 x, u32 y);
const struct tiler_geom * (*geom) (enum tiler_fmt fmt);
/* additional info */
const struct file_operations *fops;
bool nv12_packed; /* whether NV12 is packed into same container */
u32 page; /* page size */
u32 width; /* container width */
u32 height; /* container height */
};
void tiler_iface_init(struct tiler_ops *tiler);
void tiler_geom_init(struct tiler_ops *tiler);
void tiler_reserve_init(struct tiler_ops *tiler);
#endif
|
