+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
-#include "../common/common.h"
#include "../common/input.h"
#include "in_gp2x.h"
+#include "soc.h"
#define IN_PREFIX "gp2x:"
#define IN_GP2X_NBUTTONS 32
-extern volatile unsigned short *gp2x_memregs; /* from minimal library rlyeh */
+/* note: in_gp2x hadles combos (if 2 btns have the same bind,
+ * both must be pressed for action to happen) */
+static int in_gp2x_combo_keys = 0;
+static int in_gp2x_combo_acts = 0;
+static int gpiodev = -1; /* Wiz only */
+
+static int (*in_gp2x_get_bits)(void);
enum { BTN_UP = 0, BTN_LEFT = 2, BTN_DOWN = 4, BTN_RIGHT = 6,
BTN_START = 8, BTN_SELECT = 9, BTN_L = 10, BTN_R = 11,
[BTN_PUSH] = "PUSH"
};
+static int in_gp2x_get_mmsp2_bits(void);
+static int in_gp2x_get_wiz_bits(void);
static void in_gp2x_probe(void)
{
- in_register(IN_PREFIX "GP2X pad", IN_DRVID_GP2X, -1, (void *)1);
+ gp2x_soc_t soc;
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ in_gp2x_get_bits = in_gp2x_get_mmsp2_bits;
+ break;
+ case SOCID_POLLUX:
+ gpiodev = open("/dev/GPIO", O_RDONLY);
+ if (gpiodev < 0) {
+ perror("in_gp2x: couldn't open /dev/GPIO");
+ return;
+ }
+ in_gp2x_get_bits = in_gp2x_get_wiz_bits;
+ break;
+ default:
+ return;
+ }
+
+ in_register(IN_PREFIX "GP2X pad", IN_DRVID_GP2X, -1, (void *)1, 1);
+}
+
+static void in_gp2x_free(void *drv_data)
+{
+ if (gpiodev >= 0) {
+ close(gpiodev);
+ gpiodev = -1;
+ }
}
static int in_gp2x_get_bind_count(void)
return IN_GP2X_NBUTTONS;
}
-static int in_gp2x_get_gpio_bits(void)
+static int in_gp2x_get_mmsp2_bits(void)
{
#ifndef FAKE_IN_GP2X
+ extern volatile unsigned short *gp2x_memregs;
int value;
value = gp2x_memregs[0x1198>>1] & 0xff; // GPIO M
if (value == 0xFD) value = 0xFA;
#endif
}
+static int in_gp2x_get_wiz_bits(void)
+{
+ int value = 0;
+ read(gpiodev, &value, 4);
+ if (value & 0x02)
+ value |= 0x05;
+ if (value & 0x08)
+ value |= 0x14;
+ if (value & 0x20)
+ value |= 0x50;
+ if (value & 0x80)
+ value |= 0x41;
+
+ /* convert to GP2X style */
+ value &= 0x7ff55;
+ if (value & (1 << 16))
+ value |= 1 << BTN_VOL_UP;
+ if (value & (1 << 17))
+ value |= 1 << BTN_VOL_DOWN;
+ if (value & (1 << 18))
+ value |= 1 << BTN_PUSH;
+ value &= ~0x70000;
+
+ return value;
+}
+
/* returns bitfield of binds of pressed buttons */
int in_gp2x_update(void *drv_data, int *binds)
{
- int i, value, ret = 0;
+ int i, keys, ret = 0;
+
+ keys = in_gp2x_get_bits();
- value = in_gp2x_get_gpio_bits();
+ if (keys & in_gp2x_combo_keys)
+ return in_combos_do(keys, binds, BTN_PUSH, in_gp2x_combo_keys, in_gp2x_combo_acts);
- for (i = 0; value; i++) {
- if (value & 1)
+ for (i = 0; keys; i++) {
+ if (keys & 1)
ret |= binds[i];
- value >>= 1;
+ keys >>= 1;
}
return ret;
static int old_val = 0;
int val, diff, i;
- val = in_gp2x_get_gpio_bits();
+ val = in_gp2x_get_bits();
diff = val ^ old_val;
if (diff == 0)
return -1;
return i;
}
+static const struct {
+ short key;
+ short pbtn;
+} key_pbtn_map[] =
+{
+ { BTN_UP, PBTN_UP },
+ { BTN_DOWN, PBTN_DOWN },
+ { BTN_LEFT, PBTN_LEFT },
+ { BTN_RIGHT, PBTN_RIGHT },
+ { BTN_B, PBTN_MOK },
+ { BTN_X, PBTN_MBACK },
+ { BTN_A, PBTN_MA2 },
+ { BTN_Y, PBTN_MA3 },
+ { BTN_L, PBTN_L },
+ { BTN_R, PBTN_R },
+ { BTN_SELECT, PBTN_MENU },
+};
+
+#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]))
+
static int in_gp2x_menu_translate(int keycode)
{
- switch (keycode) {
- case BTN_UP: return PBTN_UP;
- case BTN_LEFT: return PBTN_LEFT;
- case BTN_DOWN: return PBTN_DOWN;
- case BTN_RIGHT: return PBTN_RIGHT;
- case BTN_B: return PBTN_MOK;
- case BTN_X: return PBTN_MBACK;
- case BTN_START: return PBTN_MENU;
- default: return 0;
+ int i;
+ if (keycode < 0)
+ {
+ /* menu -> kc */
+ keycode = -keycode;
+ for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
+ if (key_pbtn_map[i].pbtn == keycode)
+ return key_pbtn_map[i].key;
+ }
+ else
+ {
+ for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
+ if (key_pbtn_map[i].key == keycode)
+ return key_pbtn_map[i].pbtn;
}
+
+ return 0;
}
static int in_gp2x_get_key_code(const char *key_name)
{ BTN_B, 5 }, /* C */
{ BTN_A, 6 }, /* A */
{ BTN_START, 7 },
+ { BTN_SELECT, 23 }, /* menu */
+ { BTN_Y, 26 }, /* switch rend */
+ { BTN_L, 27 }, /* save state */
+ { BTN_R, 28 }, /* load state */
+ { BTN_VOL_UP, 29 }, /* vol up */
+ { BTN_VOL_DOWN, 30 }, /* vol down */
};
#define DEF_BIND_COUNT (sizeof(in_gp2x_def_binds) / sizeof(in_gp2x_def_binds[0]))
/* remove binds of missing keys, count remaining ones */
static int in_gp2x_clean_binds(void *drv_data, int *binds)
{
- int i, count = 0;
+ int i, count = 0, have_vol = 0, have_menu = 0;
for (i = 0; i < IN_GP2X_NBUTTONS; i++) {
if (in_gp2x_keys[i] == NULL)
binds[i] = binds[i + IN_GP2X_NBUTTONS] = 0;
- if (binds[i])
+ if (binds[i]) {
count++;
+ if (binds[i] & ((1 << 29)|(1 << 30)))
+ have_vol = 1;
+ if (binds[i] & (1 << 23))
+ have_menu = 1;
+ }
+ }
+
+ /* autobind some important keys, if they are unbound */
+ if (!have_vol && binds[BTN_VOL_UP] == 0 && binds[BTN_VOL_DOWN] == 0) {
+ binds[BTN_VOL_UP] = 1 << 29;
+ binds[BTN_VOL_DOWN] = 1 << 30;
}
+ if (!have_menu && binds[BTN_SELECT] == 0)
+ binds[BTN_SELECT] = 1 << 23;
+
+ in_combos_find(binds, BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts);
+
return count;
}
{
in_drv_t *drv = vdrv;
+ in_gp2x_combo_keys = in_gp2x_combo_acts = 0;
+
drv->prefix = in_gp2x_prefix;
drv->probe = in_gp2x_probe;
+ drv->free = in_gp2x_free;
drv->get_bind_count = in_gp2x_get_bind_count;
drv->get_def_binds = in_gp2x_get_def_binds;
drv->clean_binds = in_gp2x_clean_binds;
notaz.gp2x.de / picodrive.git / blobdiff