remove PicoDrive-specific stuff, add readme
[libpicofe.git] / linux / io.c
diff --git a/linux/io.c b/linux/io.c
deleted file mode 100644 (file)
index 2767e68..0000000
+++ /dev/null
@@ -1,383 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "../common/emu.h"
-#include "../common/menu.h"
-#include "../common/plat.h"
-#include "../common/input.h"
-#include "sndout_oss.h"
-#include "version.h"
-
-#include "log_io.h"
-
-int current_keys;
-unsigned char *PicoDraw2FB;
-
-#ifdef FBDEV
-
-#include "fbdev.h"
-
-#else
-
-#include <pthread.h>
-#include <semaphore.h>
-
-static int current_bpp = 16;
-static int current_pal[256];
-static const char *verstring = "PicoDrive " VERSION;
-static int scr_changed = 0, scr_w = SCREEN_WIDTH, scr_h = SCREEN_HEIGHT;
-
-/* faking GP2X pad */
-enum  { GP2X_UP=0x1,       GP2X_LEFT=0x4,       GP2X_DOWN=0x10,  GP2X_RIGHT=0x40,
-        GP2X_START=1<<8,   GP2X_SELECT=1<<9,    GP2X_L=1<<10,    GP2X_R=1<<11,
-        GP2X_A=1<<12,      GP2X_B=1<<13,        GP2X_X=1<<14,    GP2X_Y=1<<15,
-        GP2X_VOL_UP=1<<23, GP2X_VOL_DOWN=1<<22, GP2X_PUSH=1<<27 };
-
-static void key_press_event(int keycode)
-{
-       switch (keycode)
-       {
-               case 111:
-               case 0x62: current_keys |= GP2X_UP;    break;
-               case 116:
-               case 0x68: current_keys |= GP2X_DOWN;  break;
-               case 113:
-               case 0x64: current_keys |= GP2X_LEFT;  break;
-               case 114:
-               case 0x66: current_keys |= GP2X_RIGHT; break;
-               case 0x24: current_keys |= GP2X_START; break; // enter
-               case 0x23: current_keys |= GP2X_SELECT;break; // ]
-               case 0x34: current_keys |= GP2X_A;     break; // z
-               case 0x35: current_keys |= GP2X_X;     break; // x
-               case 0x36: current_keys |= GP2X_B;     break; // c
-               case 0x37: current_keys |= GP2X_Y;     break; // v
-               case 0x27: current_keys |= GP2X_L;     break; // s
-               case 0x28: current_keys |= GP2X_R;     break; // d
-               case 0x29: current_keys |= GP2X_PUSH;  break; // f
-               case 0x18: current_keys |= GP2X_VOL_DOWN;break; // q
-               case 0x19: current_keys |= GP2X_VOL_UP;break; // w
-               case 0x2d: log_io_clear(); break; // k
-               case 0x2e: log_io_dump();  break; // l
-               case 0x17: { // tab
-                       extern int PicoReset(void);
-                       PicoReset();
-                       break;
-               }
-       }
-}
-
-static void key_release_event(int keycode)
-{
-       switch (keycode)
-       {
-               case 111:
-               case 0x62: current_keys &= ~GP2X_UP;    break;
-               case 116:
-               case 0x68: current_keys &= ~GP2X_DOWN;  break;
-               case 113:
-               case 0x64: current_keys &= ~GP2X_LEFT;  break;
-               case 114:
-               case 0x66: current_keys &= ~GP2X_RIGHT; break;
-               case 0x24: current_keys &= ~GP2X_START; break; // enter
-               case 0x23: current_keys &= ~GP2X_SELECT;break; // ]
-               case 0x34: current_keys &= ~GP2X_A;     break; // z
-               case 0x35: current_keys &= ~GP2X_X;     break; // x
-               case 0x36: current_keys &= ~GP2X_B;     break; // c
-               case 0x37: current_keys &= ~GP2X_Y;     break; // v
-               case 0x27: current_keys &= ~GP2X_L;     break; // s
-               case 0x28: current_keys &= ~GP2X_R;     break; // d
-               case 0x29: current_keys &= ~GP2X_PUSH;  break; // f
-               case 0x18: current_keys &= ~GP2X_VOL_DOWN;break; // q
-               case 0x19: current_keys &= ~GP2X_VOL_UP;break; // w
-       }
-}
-
-/* --- */
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-static Display *xlib_display;
-static Window xlib_window;
-static XImage *ximage;
-
-static void ximage_realloc(Display *display, Visual *visual)
-{
-       void *xlib_screen;
-
-       XLockDisplay(xlib_display);
-
-       if (ximage != NULL)
-               XDestroyImage(ximage);
-       ximage = NULL;
-
-       xlib_screen = calloc(scr_w * scr_h, 4);
-       if (xlib_screen != NULL)
-               ximage = XCreateImage(display, visual, 24, ZPixmap, 0,
-                               xlib_screen, scr_w, scr_h, 32, 0);
-       if (ximage == NULL)
-               fprintf(stderr, "failed to alloc ximage\n");
-
-       XUnlockDisplay(xlib_display);
-}
-
-static void xlib_update(void)
-{
-       Status xstatus;
-
-       XLockDisplay(xlib_display);
-
-       xstatus = XPutImage(xlib_display, xlib_window, DefaultGC(xlib_display, 0), ximage,
-               0, 0, 0, 0, g_screen_width, g_screen_height);
-       if (xstatus != 0)
-               fprintf(stderr, "XPutImage %d\n", xstatus);
-
-       XUnlockDisplay(xlib_display);
-}
-
-static void *xlib_threadf(void *targ)
-{
-       unsigned int width, height, display_width, display_height;
-       sem_t *sem = targ;
-       XTextProperty windowName;
-       Window win;
-       XEvent report;
-       Display *display;
-       Visual *visual;
-       int screen;
-
-       XInitThreads();
-
-       xlib_display = display = XOpenDisplay(NULL);
-       if (display == NULL)
-       {
-               fprintf(stderr, "cannot connect to X server %s\n",
-                               XDisplayName(NULL));
-               sem_post(sem);
-               return NULL;
-       }
-
-       visual = DefaultVisual(display, 0);
-       if (visual->class != TrueColor)
-       {
-               fprintf(stderr, "cannot handle non true color visual\n");
-               XCloseDisplay(display);
-               sem_post(sem);
-               return NULL;
-       }
-
-       printf("X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
-               VendorRelease(display), DisplayString(display), ProtocolVersion(display),
-               ProtocolRevision(display));
-
-       screen = DefaultScreen(display);
-
-       ximage_realloc(display, visual);
-       sem_post(sem);
-
-       display_width = DisplayWidth(display, screen);
-       display_height = DisplayHeight(display, screen);
-
-       xlib_window = win = XCreateSimpleWindow(display,
-                       RootWindow(display, screen),
-                       display_width / 2 - scr_w / 2,
-                       display_height / 2 - scr_h / 2,
-                       scr_w + 2, scr_h + 2, 1,
-                       BlackPixel(display, screen),
-                       BlackPixel(display, screen));
-
-       XStringListToTextProperty((char **)&verstring, 1, &windowName);
-       XSetWMName(display, win, &windowName);
-
-       XSelectInput(display, win, ExposureMask |
-                       KeyPressMask | KeyReleaseMask |
-                       StructureNotifyMask);
-
-       XMapWindow(display, win);
-
-       while (1)
-       {
-               XNextEvent(display, &report);
-               switch (report.type)
-               {
-                       case Expose:
-                               while (XCheckTypedEvent(display, Expose, &report))
-                                       ;
-                               xlib_update();
-                               break;
-
-                       case ConfigureNotify:
-                               width = report.xconfigure.width;
-                               height = report.xconfigure.height;
-                               if (scr_w != width - 2 || scr_h != height - 2) {
-                                       scr_w = width - 2;
-                                       scr_h = height - 2;
-                                       scr_changed = 1;
-                               }
-                               break;
-
-                       case ButtonPress:
-                               break;
-
-                       case KeyPress:
-                               key_press_event(report.xkey.keycode);
-                               break;
-
-                       case KeyRelease:
-                               key_release_event(report.xkey.keycode);
-                               break;
-
-                       default:
-                               break;
-               }
-       }
-}
-
-static void xlib_init(void)
-{
-       pthread_t x_thread;
-       sem_t xlib_sem;
-
-       sem_init(&xlib_sem, 0, 0);
-
-       pthread_create(&x_thread, NULL, xlib_threadf, &xlib_sem);
-       pthread_detach(x_thread);
-
-       sem_wait(&xlib_sem);
-       sem_destroy(&xlib_sem);
-}
-
-/* --- */
-
-static void realloc_screen(void)
-{
-       int size = scr_w * scr_h * 2;
-       g_screen_width = g_menuscreen_w = scr_w;
-       g_screen_height = g_menuscreen_h = scr_h;
-       g_screen_ptr = realloc(g_screen_ptr, size);
-       g_menubg_ptr = realloc(g_menubg_ptr, size);
-       memset(g_screen_ptr, 0, size);
-       memset(g_menubg_ptr, 0, size);
-       PicoDraw2FB = g_menubg_ptr;
-       scr_changed = 0;
-}
-
-void plat_video_flip(void)
-{
-       unsigned int *image;
-       int pixel_count, i;
-
-       if (ximage == NULL)
-               return;
-
-       pixel_count = g_screen_width * g_screen_height;
-       image = (void *)ximage->data;
-
-       if (current_bpp == 8)
-       {
-               unsigned char *pixels = g_screen_ptr;
-               int pix;
-
-               for (i = 0; i < pixel_count; i++)
-               {
-                       pix = current_pal[pixels[i]];
-                       image[i] = pix;
-               }
-       }
-       else
-       {
-               unsigned short *pixels = g_screen_ptr;
-
-               for (i = 0; i < pixel_count; i++)
-               {
-                       /*  in:           rrrr rggg gggb bbbb */
-                       /* out: rrrr r000 gggg gg00 bbbb b000 */
-                       image[i]  = (pixels[i] << 8) & 0xf80000;
-                       image[i] |= (pixels[i] << 5) & 0x00fc00;
-                       image[i] |= (pixels[i] << 3) & 0x0000f8;
-               }
-       }
-       xlib_update();
-
-       if (scr_changed) {
-               realloc_screen();
-               ximage_realloc(xlib_display, DefaultVisual(xlib_display, 0));
-
-               // propagate new ponters to renderers
-               plat_video_toggle_renderer(0, 0);
-       }
-}
-
-void plat_video_wait_vsync(void)
-{
-}
-
-#endif // !FBDEV
-
-void plat_early_init(void)
-{
-}
-
-void plat_init(void)
-{
-#ifdef FBDEV
-       int ret, w, h;
-       ret = vout_fbdev_init(&w, &h);
-       if (ret != 0)
-               exit(1);
-       g_screen_width = g_menuscreen_w = w;
-       g_screen_height = g_menuscreen_h = h;
-       g_menubg_ptr = realloc(g_menubg_ptr, w * g_screen_height * 2);
-       PicoDraw2FB = g_menubg_ptr;
-#else
-       realloc_screen();
-       memset(g_screen_ptr, 0, g_screen_width * g_screen_height * 2);
-       xlib_init();
-#endif
-
-       // snd
-       sndout_oss_init();
-}
-
-void plat_finish(void)
-{
-#ifdef FBDEV
-       vout_fbdev_finish();
-#else
-       free(g_screen_ptr);
-#endif
-       sndout_oss_exit();
-}
-
-/* misc */
-int mp3_get_bitrate(void *f, int size)
-{
-       return 128;
-}
-
-void mp3_start_play(void *f, int pos)
-{
-}
-
-void mp3_update(int *buffer, int length, int stereo)
-{
-}
-
-#include <linux/input.h>
-
-struct in_default_bind in_evdev_defbinds[] =
-{
-       /* MXYZ SACB RLDU */
-       { KEY_UP,       IN_BINDTYPE_PLAYER12, 0 },
-       { KEY_DOWN,     IN_BINDTYPE_PLAYER12, 1 },
-       { KEY_LEFT,     IN_BINDTYPE_PLAYER12, 2 },
-       { KEY_RIGHT,    IN_BINDTYPE_PLAYER12, 3 },
-       { KEY_S,        IN_BINDTYPE_PLAYER12, 4 },      /* B */
-       { KEY_D,        IN_BINDTYPE_PLAYER12, 5 },      /* C */
-       { KEY_A,        IN_BINDTYPE_PLAYER12, 6 },      /* A */
-       { KEY_ENTER,    IN_BINDTYPE_PLAYER12, 7 },
-       { KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
-       { 0, 0, 0 }
-};
-