| 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 | |