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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2012 Sam Lantinga
      4 
      5     This library is free software; you can redistribute it and/or
      6     modify it under the terms of the GNU Lesser General Public
      7     License as published by the Free Software Foundation; either
      8     version 2.1 of the License, or (at your option) any later version.
      9 
     10     This library is distributed in the hope that it will be useful,
     11     but WITHOUT ANY WARRANTY; without even the implied warranty of
     12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13     Lesser General Public License for more details.
     14 
     15     You should have received a copy of the GNU Lesser General Public
     16     License along with this library; if not, write to the Free Software
     17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     18 
     19     Sam Lantinga
     20     slouken (at) libsdl.org
     21 */
     22 #include "SDL_config.h"
     23 
     24 #ifndef _SDL_gsvideo_h
     25 #define _SDL_gsvideo_h
     26 
     27 #include <sys/types.h>
     28 #include <termios.h>
     29 #include <linux/ps2/dev.h>
     30 #include <linux/ps2/gs.h>
     31 
     32 #include "SDL_mouse.h"
     33 #include "SDL_mutex.h"
     34 #include "../SDL_sysvideo.h"
     35 
     36 /* Hidden "this" pointer for the video functions */
     37 #define _THIS	SDL_VideoDevice *this
     38 
     39 
     40 /* Private display data */
     41 struct SDL_PrivateVideoData {
     42 	/* Gotta love that simple PS2 graphics interface. :) */
     43 	int console_fd;
     44 	int memory_fd;
     45 	struct ps2_screeninfo saved_vinfo;
     46 
     47 	/* Ye olde linux keyboard code */
     48 	int current_vt;
     49 	int saved_vt;
     50 	int keyboard_fd;
     51 	int saved_kbd_mode;
     52 	struct termios saved_kbd_termios;
     53 
     54 	/* Ye olde linux mouse code */
     55 	int mouse_fd;
     56 	int cursor_drawn;
     57 
     58 	/* The memory mapped DMA area and associated variables */
     59 	caddr_t mapped_mem;
     60 	int pixels_len;
     61 	int mapped_len;
     62 	struct ps2_image screen_image;
     63 	int screen_image_size;
     64 	unsigned long long *head_tags_mem;
     65 	unsigned long long *image_tags_mem;
     66 	unsigned long long *tex_tags_mem;
     67 	unsigned long long *scale_tags_mem;
     68 	int dma_pending;
     69 };
     70 /* Old variable names */
     71 #define console_fd		(this->hidden->console_fd)
     72 #define memory_fd		(this->hidden->memory_fd)
     73 #define saved_vinfo		(this->hidden->saved_vinfo)
     74 #define current_vt		(this->hidden->current_vt)
     75 #define saved_vt		(this->hidden->saved_vt)
     76 #define keyboard_fd		(this->hidden->keyboard_fd)
     77 #define saved_kbd_mode		(this->hidden->saved_kbd_mode)
     78 #define saved_kbd_termios	(this->hidden->saved_kbd_termios)
     79 #define mouse_fd		(this->hidden->mouse_fd)
     80 #define cursor_drawn		(this->hidden->cursor_drawn)
     81 #define mapped_mem		(this->hidden->mapped_mem)
     82 #define pixels_len		(this->hidden->pixels_len)
     83 #define mapped_len		(this->hidden->mapped_len)
     84 #define screen_image		(this->hidden->screen_image)
     85 #define screen_image_size	(this->hidden->screen_image_size)
     86 #define head_tags_mem		(this->hidden->head_tags_mem)
     87 #define image_tags_mem		(this->hidden->image_tags_mem)
     88 #define tex_tags_mem		(this->hidden->tex_tags_mem)
     89 #define scale_tags_mem		(this->hidden->scale_tags_mem)
     90 #define dma_pending		(this->hidden->dma_pending)
     91 
     92 /* Shared between the mouse and video code for screen update scaling */
     93 extern int scaleimage_nonblock(int fd,
     94                                unsigned long long *tm, unsigned long long *sm);
     95 #endif /* _SDL_gsvideo_h */
     96