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comparison src/video/ps3/spulibs/spu_common.h @ 3257:94fb40a4a9a7

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Merged Martin's code changes from Google Summer of Code 2009
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 04:51:29 +0000
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3256:83c87f2b2aab 3257:94fb40a4a9a7
1 /*
2 * SDL - Simple DirectMedia Layer
3 * CELL BE Support for PS3 Framebuffer
4 * Copyright (C) 2008, 2009 International Business Machines Corporation
5 *
6 * This library is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License as published
8 * by the Free Software Foundation; either version 2.1 of the License, or
9 * (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
19 * USA
20 *
21 * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
22 * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
23 * SPE code based on research by:
24 * Rene Becker
25 * Thimo Emmerich
26 */
27
28 /* Common definitions/makros for SPUs */
29
30 #ifndef _SPU_COMMON_H
31 #define _SPU_COMMON_H
32
33 #include <stdio.h>
34 #include <stdint.h>
35 #include <string.h>
36
37 /* Tag management */
38 #define DMA_WAIT_TAG(_tag) \
39 mfc_write_tag_mask(1<<(_tag)); \
40 mfc_read_tag_status_all();
41
42 /* SPU mailbox messages */
43 #define SPU_READY 0
44 #define SPU_START 1
45 #define SPU_FIN 2
46 #define SPU_EXIT 3
47
48 /* Tags */
49 #define RETR_BUF 0
50 #define STR_BUF 1
51 #define TAG_INIT 2
52
53 /* Buffersizes */
54 #define MAX_HDTV_WIDTH 1920
55 #define MAX_HDTV_HEIGHT 1080
56 /* One stride of HDTV */
57 #define BUFFER_SIZE 7680
58
59 /* fb_writer ppu/spu exchange parms */
60 struct fb_writer_parms_t {
61 uint8_t *data;
62 uint8_t *center;
63 uint32_t out_line_stride;
64 uint32_t in_line_stride;
65 uint32_t bounded_input_height;
66 uint32_t bounded_input_width;
67 uint32_t fb_pixel_size;
68
69 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
70 char padding[4];
71 } __attribute__((aligned(128)));
72
73 /* yuv2rgb ppu/spu exchange parms */
74 struct yuv2rgb_parms_t {
75 uint8_t* y_plane;
76 uint8_t* v_plane;
77 uint8_t* u_plane;
78
79 uint8_t* dstBuffer;
80
81 unsigned int src_pixel_width;
82 unsigned int src_pixel_height;
83
84 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
85 char padding[128 - ((4 * sizeof(uint8_t *) + 2 * sizeof(unsigned int)) & 0x7F)];
86 } __attribute__((aligned(128)));
87
88 /* bilin_scaler ppu/spu exchange parms */
89 struct scale_parms_t {
90 uint8_t* y_plane;
91 uint8_t* v_plane;
92 uint8_t* u_plane;
93
94 uint8_t* dstBuffer;
95
96 unsigned int src_pixel_width;
97 unsigned int src_pixel_height;
98
99 unsigned int dst_pixel_width;
100 unsigned int dst_pixel_height;
101
102 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
103 char padding[128 - ((4 * sizeof(uint8_t *) + 4 * sizeof(unsigned int)) & 0x7F)];
104 } __attribute__((aligned(128)));
105
106 #endif /* _SPU_COMMON_H */
107
108