e14743d1 |
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 | #include "SDL_config.h" |
29 | #include "../SDL_sysvideo.h" |
30 | #include "SDL_mouse.h" |
31 | #include "SDL_mutex.h" |
32 | #include "spulibs/spu_common.h" |
33 | |
34 | #include <libspe2.h> |
35 | #include <pthread.h> |
36 | #include <linux/types.h> |
37 | #include <linux/fb.h> |
38 | #include <asm/ps3fb.h> |
39 | #include <linux/vt.h> |
40 | #include <termios.h> |
41 | |
42 | #ifndef _SDL_ps3video_h |
43 | #define _SDL_ps3video_h |
44 | |
45 | /* Debugging |
46 | * 0: No debug messages |
47 | * 1: Video debug messages |
48 | * 2: SPE debug messages |
49 | * 3: Memory adresses |
50 | */ |
51 | #define DEBUG_LEVEL 0 |
52 | |
53 | #ifdef DEBUG_LEVEL |
54 | #define deprintf( level, fmt, args... ) \ |
55 | do \ |
56 | { \ |
57 | if ( (unsigned)(level) <= DEBUG_LEVEL ) \ |
58 | { \ |
59 | fprintf( stdout, fmt, ##args ); \ |
60 | fflush( stdout ); \ |
61 | } \ |
62 | } while ( 0 ) |
63 | #else |
64 | #define deprintf( level, fmt, args... ) |
65 | #endif |
66 | |
67 | /* Framebuffer device */ |
68 | #define PS3_DEV_FB "/dev/fb0" |
69 | |
70 | /* Hidden "this" pointer for the video functions */ |
71 | #define _THIS SDL_VideoDevice * this |
72 | |
73 | /* SPU thread data */ |
74 | typedef struct spu_data { |
75 | spe_context_ptr_t ctx; |
76 | pthread_t thread; |
77 | spe_program_handle_t program; |
78 | char * program_name; |
79 | unsigned int booted; |
80 | unsigned int keepalive; |
81 | unsigned int entry; |
82 | int error_code; |
83 | void * argp; |
84 | } spu_data_t; |
85 | |
86 | /* Private video driver data needed for Cell support */ |
87 | struct SDL_PrivateVideoData |
88 | { |
89 | const char * const fb_dev_name; /* FB-device name */ |
90 | int fb_dev_fd; /* Descriptor-handle for fb_dev_name */ |
91 | uint8_t * frame_buffer; /* mmap'd access to fbdev */ |
92 | |
93 | /* SPE threading stuff */ |
94 | spu_data_t * fb_thread_data; |
95 | spu_data_t * scaler_thread_data; |
96 | spu_data_t * converter_thread_data; |
97 | |
98 | /* screeninfo (from linux/fb.h) */ |
99 | struct fb_fix_screeninfo fb_finfo; |
100 | struct fb_var_screeninfo fb_vinfo; |
101 | struct fb_var_screeninfo fb_orig_vinfo; |
102 | |
103 | /* screeninfo (from asm/ps3fb.h) */ |
104 | struct ps3fb_ioctl_res res; |
105 | |
106 | unsigned int double_buffering; |
107 | uint32_t real_width; // real width of screen |
108 | uint32_t real_height; // real height of screen |
109 | |
110 | uint32_t s_fb_pixel_size; // 32: 4 24: 3 16: 2 15: 2 |
111 | uint32_t fb_bits_per_pixel; // 32: 32 24: 24 16: 16 15: 15 |
112 | |
113 | uint32_t config_count; |
114 | |
115 | uint32_t s_input_line_length; // precalculated: input_width * fb_pixel_size |
116 | uint32_t s_bounded_input_width; // width of input (bounded by writeable width) |
117 | uint32_t s_bounded_input_height;// height of input (bounded by writeable height) |
118 | uint32_t s_bounded_input_width_offset; // offset from the left side (used for centering) |
119 | uint32_t s_bounded_input_height_offset; // offset from the upper side (used for centering) |
120 | uint32_t s_writeable_width; // width of screen which is writeable |
121 | uint32_t s_writeable_height; // height of screen which is writeable |
122 | |
123 | uint8_t * s_center[2]; // where to begin writing our image (centered?) |
124 | uint32_t s_center_index; |
125 | |
126 | volatile void * s_pixels __attribute__((aligned(128))); |
127 | |
128 | /* Framebuffer data */ |
129 | volatile struct fb_writer_parms_t * fb_parms __attribute__((aligned(128))); |
130 | }; |
131 | |
132 | #define fb_dev_name (this->hidden->fb_dev_name) |
133 | #define fb_dev_fd (this->hidden->fb_dev_fd) |
134 | #define frame_buffer (this->hidden->frame_buffer) |
135 | #define fb_thread_data (this->hidden->fb_thread_data) |
136 | #define scaler_thread_data (this->hidden->scaler_thread_data) |
137 | #define converter_thread_data (this->hidden->converter_thread_data) |
138 | #define fb_parms (this->hidden->fb_parms) |
139 | #define SDL_nummodes (this->hidden->SDL_nummodes) |
140 | #define SDL_modelist (this->hidden->SDL_modelist) |
141 | #define SDL_videomode (this->hidden->SDL_videomode) |
142 | #define fb_finfo (this->hidden->fb_finfo) |
143 | #define fb_vinfo (this->hidden->fb_vinfo) |
144 | #define fb_orig_vinfo (this->hidden->fb_orig_vinfo) |
145 | #define res (this->hidden->res) |
146 | #define double_buffering (this->hidden->double_buffering) |
147 | #define real_width (this->hidden->real_width) |
148 | #define real_height (this->hidden->real_height) |
149 | #define s_fb_pixel_size (this->hidden->s_fb_pixel_size) |
150 | #define fb_bits_per_pixel (this->hidden->fb_bits_per_pixel) |
151 | #define config_count (this->hidden->config_count) |
152 | #define s_input_line_length (this->hidden->s_input_line_length) |
153 | #define s_bounded_input_width (this->hidden->s_bounded_input_width) |
154 | #define s_bounded_input_height (this->hidden->s_bounded_input_height) |
155 | #define s_bounded_input_width_offset (this->hidden->s_bounded_input_width_offset) |
156 | #define s_bounded_input_height_offset (this->hidden->s_bounded_input_height_offset) |
157 | #define s_writeable_width (this->hidden->s_writeable_width) |
158 | #define s_writeable_height (this->hidden->s_writeable_height) |
159 | #define s_center (this->hidden->s_center) |
160 | #define s_center_index (this->hidden->s_center_index) |
161 | #define s_pixels (this->hidden->s_pixels) |
162 | |
163 | #endif /* _SDL_ps3video_h */ |
164 | |
165 | |