+#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_VOL_UP = 23, BTN_VOL_DOWN = 22, BTN_PUSH = 27 };
static const char * const in_gp2x_prefix = IN_PREFIX;
-static const char * const in_gp2x_keys[IN_GP2X_NBUTTONS] = {
+static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = {
[0 ... IN_GP2X_NBUTTONS-1] = NULL,
[BTN_UP] = "UP", [BTN_LEFT] = "LEFT", [BTN_DOWN] = "DOWN", [BTN_RIGHT] = "RIGHT",
[BTN_START] = "START", [BTN_SELECT] = "SELECT", [BTN_L] = "L", [BTN_R] = "R",
};
-static void in_gp2x_probe(void)
-{
- in_register(IN_PREFIX "GP2X pad", IN_DRVID_GP2X, -1, (void *)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;
value = ~value & 0x08c0ff55;
return value;
-#else
+}
+
+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;
+}
+
+#ifdef FAKE_IN_GP2X
+static int in_gp2x_get_fake_bits(void)
+{
extern int current_keys;
return current_keys;
+}
#endif
+
+static void in_gp2x_probe(void)
+{
+ 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:
+#ifdef FAKE_IN_GP2X
+ in_gp2x_get_bits = in_gp2x_get_fake_bits;
+ break;
+#endif
+ return;
+ }
+
+ in_register(IN_PREFIX "GP2X pad", IN_DRVID_GP2X, -1, (void *)1,
+ IN_GP2X_NBUTTONS, 1);
}
-/* returns bitfield of binds of pressed buttons */
-int in_gp2x_update(void *drv_data, int *binds)
+static void in_gp2x_free(void *drv_data)
{
- int i, value, ret = 0;
+ if (gpiodev >= 0) {
+ close(gpiodev);
+ gpiodev = -1;
+ }
+}
- value = in_gp2x_get_gpio_bits();
+static int in_gp2x_get_bind_count(void)
+{
+ return IN_GP2X_NBUTTONS;
+}
+
+/* ORs result with pressed buttons */
+int in_gp2x_update(void *drv_data, const int *binds, int *result)
+{
+ int type_start = 0;
+ int i, t, keys;
+
+ keys = in_gp2x_get_bits();
- for (i = 0; value; i++) {
- if (value & 1)
- ret |= binds[i];
- value >>= 1;
+ if (keys & in_gp2x_combo_keys) {
+ result[IN_BINDTYPE_EMU] = in_combos_do(keys, binds, BTN_PUSH,
+ in_gp2x_combo_keys, in_gp2x_combo_acts);
+ type_start = IN_BINDTYPE_PLAYER12;
}
- return ret;
+ for (i = 0; keys; i++, keys >>= 1) {
+ if (!(keys & 1))
+ continue;
+
+ for (t = type_start; t < IN_BINDTYPE_COUNT; t++)
+ result[t] |= binds[IN_BIND_OFFS(i, t)];
+ }
+
+ return 0;
}
int in_gp2x_update_keycode(void *data, int *is_down)
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)
static const struct {
short code;
- short bit;
+ char btype;
+ char bit;
} in_gp2x_def_binds[] =
{
/* MXYZ SACB RLDU */
- { BTN_UP, 0 },
- { BTN_DOWN, 1 },
- { BTN_LEFT, 2 },
- { BTN_RIGHT, 3 },
- { BTN_X, 4 }, /* B */
- { BTN_B, 5 }, /* C */
- { BTN_A, 6 }, /* A */
- { BTN_START, 7 },
+ { BTN_UP, IN_BINDTYPE_PLAYER12, 0 },
+ { BTN_DOWN, IN_BINDTYPE_PLAYER12, 1 },
+ { BTN_LEFT, IN_BINDTYPE_PLAYER12, 2 },
+ { BTN_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
+ { BTN_X, IN_BINDTYPE_PLAYER12, 4 }, /* B */
+ { BTN_B, IN_BINDTYPE_PLAYER12, 5 }, /* C */
+ { BTN_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
+ { BTN_START, IN_BINDTYPE_PLAYER12, 7 },
+ { BTN_SELECT, IN_BINDTYPE_EMU, PEVB_MENU },
+// { BTN_Y, IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
+ { BTN_L, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
+ { BTN_R, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
+ { BTN_VOL_UP, IN_BINDTYPE_EMU, PEVB_VOL_UP },
+ { BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN },
};
#define DEF_BIND_COUNT (sizeof(in_gp2x_def_binds) / sizeof(in_gp2x_def_binds[0]))
int i;
for (i = 0; i < DEF_BIND_COUNT; i++)
- binds[in_gp2x_def_binds[i].code] = 1 << in_gp2x_def_binds[i].bit;
+ binds[IN_BIND_OFFS(in_gp2x_def_binds[i].code, in_gp2x_def_binds[i].btype)] =
+ 1 << in_gp2x_def_binds[i].bit;
}
/* remove binds of missing keys, count remaining ones */
-static int in_gp2x_clean_binds(void *drv_data, int *binds)
+static int in_gp2x_clean_binds(void *drv_data, int *binds, int *def_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])
- count++;
+ int t, eb, offs;
+ for (t = 0; t < IN_BINDTYPE_COUNT; t++) {
+ offs = IN_BIND_OFFS(i, t);
+ if (in_gp2x_keys[i] == NULL)
+ binds[offs] = def_binds[offs] = 0;
+ if (binds[offs])
+ count++;
+ }
+ eb = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
+ if (eb & (PEV_VOL_DOWN|PEV_VOL_UP))
+ have_vol = 1;
+ if (eb & PEV_MENU)
+ have_menu = 1;
}
- return count;
+ /* autobind some important keys, if they are unbound */
+ if (!have_vol && binds[BTN_VOL_UP] == 0 && binds[BTN_VOL_DOWN] == 0) {
+ binds[IN_BIND_OFFS(BTN_VOL_UP, IN_BINDTYPE_EMU)] = PEV_VOL_UP;
+ binds[IN_BIND_OFFS(BTN_VOL_DOWN, IN_BINDTYPE_EMU)] = PEV_VOL_DOWN;
+ count += 2;
+ }
+ if (!have_menu) {
+ binds[IN_BIND_OFFS(BTN_SELECT, IN_BINDTYPE_EMU)] = PEV_MENU;
+ count++;
+ }
+
+ in_combos_find(binds, BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts);
+
+ return count;
}
void in_gp2x_init(void *vdrv)
{
in_drv_t *drv = vdrv;
+ gp2x_soc_t soc;
+
+ soc = soc_detect();
+ if (soc == SOCID_POLLUX)
+ in_gp2x_keys[BTN_START] = "MENU";
+
+ 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;