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 
109