f89d8471 |
1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2006-2012 |
3 | * |
4 | * This work is licensed under the terms of any of these licenses |
5 | * (at your option): |
6 | * - GNU GPL, version 2 or later. |
7 | * - GNU LGPL, version 2.1 or later. |
8 | * - MAME license. |
9 | * See the COPYING file in the top-level directory. |
10 | */ |
11 | |
fa8d1331 |
12 | #include <stdio.h> |
13b692eb |
13 | #include <stdlib.h> |
14 | #include <string.h> |
fa8d1331 |
15 | #include <sys/types.h> |
16 | #include <sys/stat.h> |
17 | #include <fcntl.h> |
18 | #include <unistd.h> |
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19 | |
a86e9a3e |
20 | #include "../input.h" |
7ceadd99 |
21 | #include "soc.h" |
22 | #include "plat_gp2x.h" |
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23 | #include "in_gp2x.h" |
24 | |
e99d8048 |
25 | #define IN_GP2X_PREFIX "gp2x:" |
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26 | #define IN_GP2X_NBUTTONS 32 |
27 | |
f89d8471 |
28 | /* note: in_gp2x handles combos (if 2 btns have the same bind, |
2c600560 |
29 | * both must be pressed for action to happen) */ |
30 | static int in_gp2x_combo_keys = 0; |
31 | static int in_gp2x_combo_acts = 0; |
fa8d1331 |
32 | static int gpiodev = -1; /* Wiz only */ |
33 | |
34 | static int (*in_gp2x_get_bits)(void); |
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35 | |
8af2da72 |
36 | static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = { |
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37 | [0 ... IN_GP2X_NBUTTONS-1] = NULL, |
e99d8048 |
38 | [GP2X_BTN_UP] = "Up", [GP2X_BTN_LEFT] = "Left", |
39 | [GP2X_BTN_DOWN] = "Down", [GP2X_BTN_RIGHT] = "Right", |
40 | [GP2X_BTN_START] = "Start", [GP2X_BTN_SELECT] = "Select", |
41 | [GP2X_BTN_L] = "L", [GP2X_BTN_R] = "R", |
42 | [GP2X_BTN_A] = "A", [GP2X_BTN_B] = "B", |
43 | [GP2X_BTN_X] = "X", [GP2X_BTN_Y] = "Y", |
44 | [GP2X_BTN_VOL_DOWN] = "VOL DOWN", |
45 | [GP2X_BTN_VOL_UP] = "VOL UP", |
46 | [GP2X_BTN_PUSH] = "PUSH" |
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47 | }; |
48 | |
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49 | |
fa8d1331 |
50 | static int in_gp2x_get_mmsp2_bits(void) |
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51 | { |
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52 | int value; |
7ceadd99 |
53 | value = memregs[0x1198>>1] & 0xff; // GPIO M |
13b692eb |
54 | if (value == 0xFD) value = 0xFA; |
55 | if (value == 0xF7) value = 0xEB; |
56 | if (value == 0xDF) value = 0xAF; |
57 | if (value == 0x7F) value = 0xBE; |
7ceadd99 |
58 | value |= memregs[0x1184>>1] & 0xFF00; // GPIO C |
59 | value |= memregs[0x1186>>1] << 16; // GPIO D |
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60 | value = ~value & 0x08c0ff55; |
61 | |
62 | return value; |
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63 | } |
64 | |
fa8d1331 |
65 | static int in_gp2x_get_wiz_bits(void) |
66 | { |
5f7b5155 |
67 | int r, value = 0; |
68 | r = read(gpiodev, &value, 4); |
fa8d1331 |
69 | if (value & 0x02) |
70 | value |= 0x05; |
71 | if (value & 0x08) |
72 | value |= 0x14; |
73 | if (value & 0x20) |
74 | value |= 0x50; |
75 | if (value & 0x80) |
76 | value |= 0x41; |
77 | |
78 | /* convert to GP2X style */ |
79 | value &= 0x7ff55; |
80 | if (value & (1 << 16)) |
e99d8048 |
81 | value |= 1 << GP2X_BTN_VOL_UP; |
fa8d1331 |
82 | if (value & (1 << 17)) |
e99d8048 |
83 | value |= 1 << GP2X_BTN_VOL_DOWN; |
fa8d1331 |
84 | if (value & (1 << 18)) |
e99d8048 |
85 | value |= 1 << GP2X_BTN_PUSH; |
fa8d1331 |
86 | value &= ~0x70000; |
87 | |
88 | return value; |
89 | } |
90 | |
8b4363e3 |
91 | static void in_gp2x_probe(const in_drv_t *drv) |
0114ccc4 |
92 | { |
b6072c17 |
93 | switch (gp2x_dev_id) |
0114ccc4 |
94 | { |
b6072c17 |
95 | case GP2X_DEV_GP2X: |
0114ccc4 |
96 | in_gp2x_get_bits = in_gp2x_get_mmsp2_bits; |
97 | break; |
b6072c17 |
98 | case GP2X_DEV_WIZ: |
0114ccc4 |
99 | gpiodev = open("/dev/GPIO", O_RDONLY); |
100 | if (gpiodev < 0) { |
101 | perror("in_gp2x: couldn't open /dev/GPIO"); |
102 | return; |
103 | } |
104 | in_gp2x_get_bits = in_gp2x_get_wiz_bits; |
105 | break; |
e9b29264 |
106 | // we'll use evdev for Caanoo |
0114ccc4 |
107 | default: |
0114ccc4 |
108 | return; |
109 | } |
110 | |
e99d8048 |
111 | in_register(IN_GP2X_PREFIX "GP2X pad", -1, NULL, |
e9b29264 |
112 | IN_GP2X_NBUTTONS, in_gp2x_keys, 1); |
0114ccc4 |
113 | } |
114 | |
115 | static void in_gp2x_free(void *drv_data) |
116 | { |
117 | if (gpiodev >= 0) { |
118 | close(gpiodev); |
119 | gpiodev = -1; |
120 | } |
121 | } |
122 | |
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123 | static const char * const * |
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124 | in_gp2x_get_key_names(const in_drv_t *drv, int *count) |
0114ccc4 |
125 | { |
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126 | *count = IN_GP2X_NBUTTONS; |
127 | return in_gp2x_keys; |
0114ccc4 |
128 | } |
129 | |
8e77275e |
130 | /* ORs result with pressed buttons */ |
e99d8048 |
131 | static int in_gp2x_update(void *drv_data, const int *binds, int *result) |
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132 | { |
8e77275e |
133 | int type_start = 0; |
134 | int i, t, keys; |
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135 | |
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136 | keys = in_gp2x_get_bits(); |
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137 | |
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138 | if (keys & in_gp2x_combo_keys) { |
e99d8048 |
139 | result[IN_BINDTYPE_EMU] = in_combos_do(keys, binds, GP2X_BTN_PUSH, |
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140 | in_gp2x_combo_keys, in_gp2x_combo_acts); |
141 | type_start = IN_BINDTYPE_PLAYER12; |
142 | } |
143 | |
144 | for (i = 0; keys; i++, keys >>= 1) { |
145 | if (!(keys & 1)) |
146 | continue; |
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147 | |
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148 | for (t = type_start; t < IN_BINDTYPE_COUNT; t++) |
149 | result[t] |= binds[IN_BIND_OFFS(i, t)]; |
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150 | } |
151 | |
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152 | return 0; |
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153 | } |
154 | |
155 | int in_gp2x_update_keycode(void *data, int *is_down) |
156 | { |
157 | static int old_val = 0; |
158 | int val, diff, i; |
159 | |
fa8d1331 |
160 | val = in_gp2x_get_bits(); |
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161 | diff = val ^ old_val; |
162 | if (diff == 0) |
163 | return -1; |
164 | |
165 | /* take one bit only */ |
166 | for (i = 0; i < sizeof(diff)*8; i++) |
167 | if (diff & (1<<i)) |
168 | break; |
169 | |
170 | old_val ^= 1 << i; |
171 | |
172 | if (is_down) |
173 | *is_down = !!(val & (1<<i)); |
174 | return i; |
175 | } |
176 | |
82abf46f |
177 | static const struct { |
178 | short key; |
179 | short pbtn; |
180 | } key_pbtn_map[] = |
181 | { |
e99d8048 |
182 | { GP2X_BTN_UP, PBTN_UP }, |
183 | { GP2X_BTN_DOWN, PBTN_DOWN }, |
184 | { GP2X_BTN_LEFT, PBTN_LEFT }, |
185 | { GP2X_BTN_RIGHT, PBTN_RIGHT }, |
186 | { GP2X_BTN_B, PBTN_MOK }, |
187 | { GP2X_BTN_X, PBTN_MBACK }, |
188 | { GP2X_BTN_A, PBTN_MA2 }, |
189 | { GP2X_BTN_Y, PBTN_MA3 }, |
190 | { GP2X_BTN_L, PBTN_L }, |
191 | { GP2X_BTN_R, PBTN_R }, |
192 | { GP2X_BTN_SELECT, PBTN_MENU }, |
82abf46f |
193 | }; |
194 | |
195 | #define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0])) |
196 | |
afdbb7c8 |
197 | static int in_gp2x_menu_translate(void *drv_data, int keycode, char *charcode) |
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198 | { |
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199 | int i; |
200 | if (keycode < 0) |
201 | { |
202 | /* menu -> kc */ |
203 | keycode = -keycode; |
204 | for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) |
205 | if (key_pbtn_map[i].pbtn == keycode) |
206 | return key_pbtn_map[i].key; |
13b692eb |
207 | } |
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208 | else |
209 | { |
210 | for (i = 0; i < KEY_PBTN_MAP_SIZE; i++) |
211 | if (key_pbtn_map[i].key == keycode) |
212 | return key_pbtn_map[i].pbtn; |
213 | } |
214 | |
215 | return 0; |
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216 | } |
217 | |
e99d8048 |
218 | #if 0 // TODO: move to pico |
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219 | static const struct { |
220 | short code; |
8e77275e |
221 | char btype; |
222 | char bit; |
e99d8048 |
223 | } in_gp2x_defbinds[] = |
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224 | { |
225 | /* MXYZ SACB RLDU */ |
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226 | { BTN_UP, IN_BINDTYPE_PLAYER12, 0 }, |
227 | { BTN_DOWN, IN_BINDTYPE_PLAYER12, 1 }, |
228 | { BTN_LEFT, IN_BINDTYPE_PLAYER12, 2 }, |
229 | { BTN_RIGHT, IN_BINDTYPE_PLAYER12, 3 }, |
230 | { BTN_X, IN_BINDTYPE_PLAYER12, 4 }, /* B */ |
231 | { BTN_B, IN_BINDTYPE_PLAYER12, 5 }, /* C */ |
232 | { BTN_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */ |
233 | { BTN_START, IN_BINDTYPE_PLAYER12, 7 }, |
234 | { BTN_SELECT, IN_BINDTYPE_EMU, PEVB_MENU }, |
b7911801 |
235 | // { BTN_Y, IN_BINDTYPE_EMU, PEVB_SWITCH_RND }, |
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236 | { BTN_L, IN_BINDTYPE_EMU, PEVB_STATE_SAVE }, |
237 | { BTN_R, IN_BINDTYPE_EMU, PEVB_STATE_LOAD }, |
238 | { BTN_VOL_UP, IN_BINDTYPE_EMU, PEVB_VOL_UP }, |
239 | { BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN }, |
e99d8048 |
240 | { 0, 0, 0 }, |
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241 | }; |
e99d8048 |
242 | #endif |
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243 | |
244 | /* remove binds of missing keys, count remaining ones */ |
8e77275e |
245 | static int in_gp2x_clean_binds(void *drv_data, int *binds, int *def_binds) |
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246 | { |
e99d8048 |
247 | int i, count = 0; |
248 | // int eb, have_vol = 0, have_menu = 0; |
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249 | |
250 | for (i = 0; i < IN_GP2X_NBUTTONS; i++) { |
e99d8048 |
251 | int t, offs; |
8e77275e |
252 | for (t = 0; t < IN_BINDTYPE_COUNT; t++) { |
253 | offs = IN_BIND_OFFS(i, t); |
254 | if (in_gp2x_keys[i] == NULL) |
255 | binds[offs] = def_binds[offs] = 0; |
256 | if (binds[offs]) |
257 | count++; |
82abf46f |
258 | } |
e99d8048 |
259 | #if 0 |
8e77275e |
260 | eb = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)]; |
261 | if (eb & (PEV_VOL_DOWN|PEV_VOL_UP)) |
262 | have_vol = 1; |
263 | if (eb & PEV_MENU) |
264 | have_menu = 1; |
e99d8048 |
265 | #endif |
13b692eb |
266 | } |
267 | |
e99d8048 |
268 | // TODO: move to pico |
269 | #if 0 |
82abf46f |
270 | /* autobind some important keys, if they are unbound */ |
e99d8048 |
271 | if (!have_vol && binds[GP2X_BTN_VOL_UP] == 0 && binds[GP2X_BTN_VOL_DOWN] == 0) { |
272 | binds[IN_BIND_OFFS(GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU)] = PEV_VOL_UP; |
273 | binds[IN_BIND_OFFS(GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU)] = PEV_VOL_DOWN; |
8e77275e |
274 | count += 2; |
82abf46f |
275 | } |
276 | |
8e77275e |
277 | if (!have_menu) { |
e99d8048 |
278 | binds[IN_BIND_OFFS(GP2X_BTN_SELECT, IN_BINDTYPE_EMU)] = PEV_MENU; |
8e77275e |
279 | count++; |
280 | } |
e99d8048 |
281 | #endif |
82abf46f |
282 | |
e99d8048 |
283 | in_combos_find(binds, GP2X_BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts); |
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284 | |
13b692eb |
285 | return count; |
13b692eb |
286 | } |
287 | |
e99d8048 |
288 | static const in_drv_t in_gp2x_drv = { |
289 | .prefix = IN_GP2X_PREFIX, |
290 | .probe = in_gp2x_probe, |
291 | .free = in_gp2x_free, |
292 | .get_key_names = in_gp2x_get_key_names, |
293 | .clean_binds = in_gp2x_clean_binds, |
294 | .update = in_gp2x_update, |
295 | .update_keycode = in_gp2x_update_keycode, |
296 | .menu_translate = in_gp2x_menu_translate, |
297 | }; |
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298 | |
e99d8048 |
299 | void in_gp2x_init(const struct in_default_bind *defbinds) |
300 | { |
b6072c17 |
301 | if (gp2x_dev_id == GP2X_DEV_WIZ) |
e99d8048 |
302 | in_gp2x_keys[GP2X_BTN_START] = "MENU"; |
4858c633 |
303 | |
2c600560 |
304 | in_gp2x_combo_keys = in_gp2x_combo_acts = 0; |
305 | |
8b4363e3 |
306 | in_register_driver(&in_gp2x_drv, defbinds, NULL); |
13b692eb |
307 | } |
308 | |