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-rw-r--r--pandora/pnd.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/pandora/pnd.c b/pandora/pnd.c
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--- /dev/null
+++ b/pandora/pnd.c
@@ -0,0 +1,315 @@
+/* gameplaySP - pandora backend
+ *
+ * Copyright (C) 2011 notaz <notasas@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "../common.h"
+#include <X11/keysym.h>
+#include "linux/omapfb.h" //
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#include "linux/fbdev.h"
+#include "linux/xenv.h"
+
+enum gpsp_key {
+ GKEY_UP = 1 << 0,
+ GKEY_LEFT = 1 << 1,
+ GKEY_DOWN = 1 << 2,
+ GKEY_RIGHT = 1 << 3,
+ GKEY_START = 1 << 4,
+ GKEY_SELECT = 1 << 5,
+ GKEY_L = 1 << 6,
+ GKEY_R = 1 << 7,
+ GKEY_A = 1 << 8,
+ GKEY_B = 1 << 9,
+ GKEY_X = 1 << 10,
+ GKEY_Y = 1 << 11,
+ GKEY_1 = 1 << 12,
+ GKEY_2 = 1 << 13,
+ GKEY_3 = 1 << 14,
+ GKEY_4 = 1 << 15,
+ GKEY_MENU = 1 << 16,
+};
+
+u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] =
+{
+ GKEY_UP,
+ GKEY_LEFT,
+ GKEY_DOWN,
+ GKEY_RIGHT,
+ GKEY_START,
+ GKEY_SELECT,
+ GKEY_L,
+ GKEY_R,
+ GKEY_A,
+ GKEY_B,
+ GKEY_X,
+ GKEY_Y,
+ GKEY_1,
+ GKEY_2,
+ GKEY_3,
+ GKEY_4,
+ GKEY_MENU,
+};
+
+u32 gamepad_config_map[PLAT_BUTTON_COUNT] =
+{
+ BUTTON_ID_UP, // Up
+ BUTTON_ID_LEFT, // Left
+ BUTTON_ID_DOWN, // Down
+ BUTTON_ID_RIGHT, // Right
+ BUTTON_ID_START, // Start
+ BUTTON_ID_SELECT, // Select
+ BUTTON_ID_L, // Ltrigger
+ BUTTON_ID_R, // Rtrigger
+ BUTTON_ID_FPS, // A
+ BUTTON_ID_A, // B
+ BUTTON_ID_B, // X
+ BUTTON_ID_MENU, // Y
+ BUTTON_ID_SAVESTATE, // 1
+ BUTTON_ID_LOADSTATE, // 2
+ BUTTON_ID_FASTFORWARD, // 3
+ BUTTON_ID_NONE, // 4
+ BUTTON_ID_MENU // Space
+};
+
+static const u32 xk_to_gkey[] = {
+ XK_Up, XK_Left, XK_Down, XK_Right, XK_Alt_L, XK_Control_L,
+ XK_Shift_L, XK_Control_R, XK_Home, XK_End, XK_Page_Down, XK_Page_Up,
+ XK_1, XK_2, XK_3, XK_4, XK_space,
+};
+
+static const u8 gkey_to_cursor[32] = {
+ [0 ... 31] = CURSOR_NONE,
+ [0] = CURSOR_UP, CURSOR_LEFT, CURSOR_DOWN, CURSOR_RIGHT, CURSOR_NONE, CURSOR_NONE,
+ CURSOR_L, CURSOR_R, CURSOR_SELECT, CURSOR_SELECT, CURSOR_EXIT, CURSOR_BACK,
+};
+
+struct vout_fbdev *fb;
+
+static int omap_setup_layer(int fd, int enabled, int x, int y, int w, int h, int first_call)
+{
+ struct omapfb_plane_info pi = { 0, };
+ struct omapfb_mem_info mi = { 0, };
+ int ret;
+
+ ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
+ if (ret != 0) {
+ perror("QUERY_PLANE");
+ return -1;
+ }
+
+ ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
+ if (ret != 0) {
+ perror("QUERY_MEM");
+ return -1;
+ }
+
+ /* must disable when changing stuff */
+ if (pi.enabled) {
+ pi.enabled = 0;
+ ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
+ if (ret != 0)
+ perror("SETUP_PLANE");
+ }
+
+ if (first_call) {
+ mi.size = 640*512*3*3;
+ ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
+ if (ret != 0) {
+ perror("SETUP_MEM");
+ return -1;
+ }
+ }
+
+ pi.pos_x = x;
+ pi.pos_y = y;
+ pi.out_width = w;
+ pi.out_height = h;
+ pi.enabled = enabled;
+
+ ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
+ if (ret != 0) {
+ perror("SETUP_PLANE");
+ return -1;
+ }
+
+ return 0;
+}
+
+void gpsp_plat_init(void)
+{
+ int ret, w, h, fd;
+ const char *layer_fb_name;
+
+ ret = SDL_Init(SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE);
+ if (ret != 0) {
+ fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
+ exit(1);
+ }
+
+ layer_fb_name = getenv("FBDEV_LAYER");
+ if (layer_fb_name == NULL)
+ layer_fb_name = "/dev/fb1";
+
+ ret = xenv_init();
+ if (ret != 0) {
+ fprintf(stderr, "xenv_init failed with %d\n", ret);
+ exit(1);
+ }
+
+ // must set the layer up first to be able to use it
+ fd = open(layer_fb_name, O_RDWR);
+ if (fd == -1) {
+ fprintf(stderr, "%s: ", layer_fb_name);
+ perror("open");
+ exit(1);
+ }
+
+ ret = omap_setup_layer(fd, 0, 0, 0, 400, 272, 1);
+ close(fd);
+ if (ret != 0) {
+ fprintf(stderr, "failed to set up layer, exiting.\n");
+ exit(1);
+ }
+
+ w = 240;
+ h = 160;
+ fb = vout_fbdev_init("/dev/fb1", &w, &h, 16, 4);
+ if (fb == NULL) {
+ fprintf(stderr, "vout_fbdev_init failed\n");
+ exit(1);
+ }
+
+ // default to 3x scale
+ screen_scale = 2;
+}
+
+void gpsp_plat_quit(void)
+{
+ xenv_finish();
+ omap_setup_layer(vout_fbdev_get_fd(fb), 0, 0, 0, 0, 0, 0);
+ vout_fbdev_finish(fb);
+ SDL_Quit();
+}
+
+u32 gpsp_plat_joystick_read(void)
+{
+ static int gkeystate;
+ int key, is_down, i;
+ int gkey = -1;
+
+ key = xenv_update(&is_down);
+ for (i = 0; i < sizeof(xk_to_gkey) / sizeof(xk_to_gkey[0]); i++) {
+ if (key == xk_to_gkey[i]) {
+ gkey = i;
+ break;
+ }
+ }
+
+ if (gkey >= 0) {
+ if (is_down)
+ gkeystate |= 1 << gkey;
+ else
+ gkeystate &= ~(1 << gkey);
+ }
+
+ return gkeystate;
+}
+
+u32 gpsp_plat_buttons_to_cursor(u32 buttons)
+{
+ int i;
+
+ if (buttons == 0)
+ return CURSOR_NONE;
+
+ for (i = 0; (buttons & 1) == 0; i++, buttons >>= 1)
+ ;
+
+ return gkey_to_cursor[i];
+}
+
+static void set_filter(int is_filtered)
+{
+ static int was_filtered = -1;
+ char buf[128];
+
+ if (is_filtered == was_filtered)
+ return;
+
+ snprintf(buf, sizeof(buf), "sudo -n /usr/pandora/scripts/op_videofir.sh %s",
+ is_filtered ? "default" : "none");
+ system(buf);
+ was_filtered = is_filtered;
+}
+
+void *fb_flip_screen(void)
+{
+ return vout_fbdev_flip(fb);
+}
+
+void fb_wait_vsync(void)
+{
+ vout_fbdev_wait_vsync(fb);
+}
+
+void fb_set_mode(int w, int h, int buffers, int scale, int filter)
+{
+ int lx, ly, lw = w, lh = h;
+ switch (scale) {
+ case 0:
+ lw = w;
+ lh = h;
+ break;
+ case 1:
+ lw = w * 2;
+ lh = h * 2;
+ break;
+ case 2:
+ lw = w * 3;
+ lh = h * 3;
+ break;
+ case 3:
+ lw = 800;
+ lh = 480;
+ break;
+ case 15:
+ lw = w * 2;
+ lh = h + h /2;
+ break;
+ default:
+ fprintf(stderr, "unknown scale: %d\n", scale);
+ break;
+ }
+ if (lw > 800)
+ lw = 800;
+ if (lh > 480)
+ lh = 480;
+ lx = 800 / 2 - lw / 2;
+ ly = 480 / 2 - lh / 2;
+
+ omap_setup_layer(vout_fbdev_get_fd(fb), 1, lx, ly, lw, lh, 0);
+ set_filter(filter);
+
+ vout_fbdev_resize(fb, w, h, 16, 0, 0, 0, 0, buffers);
+}
+
+// vim:shiftwidth=2:expandtab
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