9 #include "../common/input.h"
12 #define IN_GP2X_PREFIX "gp2x:"
13 #define IN_GP2X_NBUTTONS 32
15 /* note: in_gp2x hadles combos (if 2 btns have the same bind,
16 * both must be pressed for action to happen) */
17 static int in_gp2x_combo_keys = 0;
18 static int in_gp2x_combo_acts = 0;
19 static int gpiodev = -1; /* Wiz only */
21 static int (*in_gp2x_get_bits)(void);
23 static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = {
24 [0 ... IN_GP2X_NBUTTONS-1] = NULL,
25 [GP2X_BTN_UP] = "Up", [GP2X_BTN_LEFT] = "Left",
26 [GP2X_BTN_DOWN] = "Down", [GP2X_BTN_RIGHT] = "Right",
27 [GP2X_BTN_START] = "Start", [GP2X_BTN_SELECT] = "Select",
28 [GP2X_BTN_L] = "L", [GP2X_BTN_R] = "R",
29 [GP2X_BTN_A] = "A", [GP2X_BTN_B] = "B",
30 [GP2X_BTN_X] = "X", [GP2X_BTN_Y] = "Y",
31 [GP2X_BTN_VOL_DOWN] = "VOL DOWN",
32 [GP2X_BTN_VOL_UP] = "VOL UP",
33 [GP2X_BTN_PUSH] = "PUSH"
37 static int in_gp2x_get_mmsp2_bits(void)
39 extern volatile unsigned short *gp2x_memregs;
41 value = gp2x_memregs[0x1198>>1] & 0xff; // GPIO M
42 if (value == 0xFD) value = 0xFA;
43 if (value == 0xF7) value = 0xEB;
44 if (value == 0xDF) value = 0xAF;
45 if (value == 0x7F) value = 0xBE;
46 value |= gp2x_memregs[0x1184>>1] & 0xFF00; // GPIO C
47 value |= gp2x_memregs[0x1186>>1] << 16; // GPIO D
48 value = ~value & 0x08c0ff55;
53 static int in_gp2x_get_wiz_bits(void)
56 r = read(gpiodev, &value, 4);
66 /* convert to GP2X style */
68 if (value & (1 << 16))
69 value |= 1 << GP2X_BTN_VOL_UP;
70 if (value & (1 << 17))
71 value |= 1 << GP2X_BTN_VOL_DOWN;
72 if (value & (1 << 18))
73 value |= 1 << GP2X_BTN_PUSH;
80 volatile unsigned short *gp2x_memregs;
83 static int in_gp2x_get_fake_bits(void)
85 extern int current_keys;
90 static void in_gp2x_probe(void)
95 in_gp2x_get_bits = in_gp2x_get_mmsp2_bits;
98 gpiodev = open("/dev/GPIO", O_RDONLY);
100 perror("in_gp2x: couldn't open /dev/GPIO");
103 in_gp2x_get_bits = in_gp2x_get_wiz_bits;
105 // we'll use evdev for Caanoo
108 in_gp2x_get_bits = in_gp2x_get_fake_bits;
114 in_register(IN_GP2X_PREFIX "GP2X pad", -1, NULL,
115 IN_GP2X_NBUTTONS, in_gp2x_keys, 1);
118 static void in_gp2x_free(void *drv_data)
126 static const char * const *
127 in_gp2x_get_key_names(int *count)
129 *count = IN_GP2X_NBUTTONS;
133 /* ORs result with pressed buttons */
134 static int in_gp2x_update(void *drv_data, const int *binds, int *result)
139 keys = in_gp2x_get_bits();
141 if (keys & in_gp2x_combo_keys) {
142 result[IN_BINDTYPE_EMU] = in_combos_do(keys, binds, GP2X_BTN_PUSH,
143 in_gp2x_combo_keys, in_gp2x_combo_acts);
144 type_start = IN_BINDTYPE_PLAYER12;
147 for (i = 0; keys; i++, keys >>= 1) {
151 for (t = type_start; t < IN_BINDTYPE_COUNT; t++)
152 result[t] |= binds[IN_BIND_OFFS(i, t)];
158 int in_gp2x_update_keycode(void *data, int *is_down)
160 static int old_val = 0;
163 val = in_gp2x_get_bits();
164 diff = val ^ old_val;
168 /* take one bit only */
169 for (i = 0; i < sizeof(diff)*8; i++)
176 *is_down = !!(val & (1<<i));
180 static const struct {
185 { GP2X_BTN_UP, PBTN_UP },
186 { GP2X_BTN_DOWN, PBTN_DOWN },
187 { GP2X_BTN_LEFT, PBTN_LEFT },
188 { GP2X_BTN_RIGHT, PBTN_RIGHT },
189 { GP2X_BTN_B, PBTN_MOK },
190 { GP2X_BTN_X, PBTN_MBACK },
191 { GP2X_BTN_A, PBTN_MA2 },
192 { GP2X_BTN_Y, PBTN_MA3 },
193 { GP2X_BTN_L, PBTN_L },
194 { GP2X_BTN_R, PBTN_R },
195 { GP2X_BTN_SELECT, PBTN_MENU },
198 #define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]))
200 static int in_gp2x_menu_translate(void *drv_data, int keycode)
207 for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
208 if (key_pbtn_map[i].pbtn == keycode)
209 return key_pbtn_map[i].key;
213 for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
214 if (key_pbtn_map[i].key == keycode)
215 return key_pbtn_map[i].pbtn;
221 #if 0 // TODO: move to pico
222 static const struct {
226 } in_gp2x_defbinds[] =
229 { BTN_UP, IN_BINDTYPE_PLAYER12, 0 },
230 { BTN_DOWN, IN_BINDTYPE_PLAYER12, 1 },
231 { BTN_LEFT, IN_BINDTYPE_PLAYER12, 2 },
232 { BTN_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
233 { BTN_X, IN_BINDTYPE_PLAYER12, 4 }, /* B */
234 { BTN_B, IN_BINDTYPE_PLAYER12, 5 }, /* C */
235 { BTN_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
236 { BTN_START, IN_BINDTYPE_PLAYER12, 7 },
237 { BTN_SELECT, IN_BINDTYPE_EMU, PEVB_MENU },
238 // { BTN_Y, IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
239 { BTN_L, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
240 { BTN_R, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
241 { BTN_VOL_UP, IN_BINDTYPE_EMU, PEVB_VOL_UP },
242 { BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN },
247 /* remove binds of missing keys, count remaining ones */
248 static int in_gp2x_clean_binds(void *drv_data, int *binds, int *def_binds)
251 // int eb, have_vol = 0, have_menu = 0;
253 for (i = 0; i < IN_GP2X_NBUTTONS; i++) {
255 for (t = 0; t < IN_BINDTYPE_COUNT; t++) {
256 offs = IN_BIND_OFFS(i, t);
257 if (in_gp2x_keys[i] == NULL)
258 binds[offs] = def_binds[offs] = 0;
263 eb = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
264 if (eb & (PEV_VOL_DOWN|PEV_VOL_UP))
271 // TODO: move to pico
273 /* autobind some important keys, if they are unbound */
274 if (!have_vol && binds[GP2X_BTN_VOL_UP] == 0 && binds[GP2X_BTN_VOL_DOWN] == 0) {
275 binds[IN_BIND_OFFS(GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU)] = PEV_VOL_UP;
276 binds[IN_BIND_OFFS(GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU)] = PEV_VOL_DOWN;
281 binds[IN_BIND_OFFS(GP2X_BTN_SELECT, IN_BINDTYPE_EMU)] = PEV_MENU;
286 in_combos_find(binds, GP2X_BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts);
291 static const in_drv_t in_gp2x_drv = {
292 .prefix = IN_GP2X_PREFIX,
293 .probe = in_gp2x_probe,
294 .free = in_gp2x_free,
295 .get_key_names = in_gp2x_get_key_names,
296 .clean_binds = in_gp2x_clean_binds,
297 .update = in_gp2x_update,
298 .update_keycode = in_gp2x_update_keycode,
299 .menu_translate = in_gp2x_menu_translate,
302 void in_gp2x_init(const struct in_default_bind *defbinds)
304 if (gp2x_dev_id == GP2X_DEV_WIZ)
305 in_gp2x_keys[GP2X_BTN_START] = "MENU";
307 in_gp2x_combo_keys = in_gp2x_combo_acts = 0;
309 in_register_driver(&in_gp2x_drv, defbinds);