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 */ 164 165 166
