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gpsp/pandora/pnd.c

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/* 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_R, 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)
{
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 (mi.size < 240*160*2*4) {
mi.size = 240*160*2*4;
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);
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);
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);
set_filter(filter);
vout_fbdev_resize(fb, w, h, 16, 0, 0, 0, 0, buffers);
}
// vim:shiftwidth=2:expandtab
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