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1 | /* |
2 | * (C) notaz, 2011 |
3 | * |
4 | * This work is licensed under the terms of the GNU GPLv2 or later. |
5 | * See the COPYING file in the top-level directory. |
6 | */ |
7 | |
8 | #include <stdio.h> |
9 | #include <string.h> |
10 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
12 | #include <fcntl.h> |
13 | #include <sys/ioctl.h> |
14 | #include <unistd.h> |
15 | #include <linux/input.h> |
16 | #include <errno.h> |
17 | |
18 | #include "common/input.h" |
19 | #include "plugin_lib.h" |
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20 | #include "main.h" |
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21 | |
22 | static int fdnub[2]; |
23 | static int analog_init_done; |
24 | |
25 | static const char * const pandora_gpio_keys[KEY_MAX + 1] = { |
26 | [0 ... KEY_MAX] = NULL, |
27 | [KEY_UP] = "Up", |
28 | [KEY_LEFT] = "Left", |
29 | [KEY_RIGHT] = "Right", |
30 | [KEY_DOWN] = "Down", |
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31 | [KEY_HOME] = "(A)", |
32 | [KEY_PAGEDOWN] = "(X)", |
33 | [KEY_END] = "(B)", |
34 | [KEY_PAGEUP] = "(Y)", |
35 | [KEY_RIGHTSHIFT]= "(L)", |
36 | [KEY_RIGHTCTRL] = "(R)", |
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37 | [KEY_LEFTALT] = "Start", |
38 | [KEY_LEFTCTRL] = "Select", |
39 | [KEY_MENU] = "Pandora", |
40 | }; |
41 | |
42 | struct in_default_bind in_evdev_defbinds[] = { |
43 | { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP }, |
44 | { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN }, |
45 | { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT }, |
46 | { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT }, |
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47 | { KEY_PAGEUP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE }, |
48 | { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, DKEY_CROSS }, |
49 | { KEY_END, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE }, |
50 | { KEY_HOME, IN_BINDTYPE_PLAYER12, DKEY_SQUARE }, |
51 | { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, DKEY_START }, |
52 | { KEY_LEFTCTRL, IN_BINDTYPE_PLAYER12, DKEY_SELECT }, |
53 | { KEY_RIGHTSHIFT,IN_BINDTYPE_PLAYER12, DKEY_L1 }, |
54 | { KEY_RIGHTCTRL, IN_BINDTYPE_PLAYER12, DKEY_R1 }, |
55 | { KEY_Q, IN_BINDTYPE_PLAYER12, DKEY_L2 }, |
56 | { KEY_P, IN_BINDTYPE_PLAYER12, DKEY_R2 }, |
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57 | { KEY_SPACE, IN_BINDTYPE_EMU, SACTION_ENTER_MENU }, |
58 | { KEY_1, IN_BINDTYPE_EMU, SACTION_SAVE_STATE }, |
59 | { KEY_2, IN_BINDTYPE_EMU, SACTION_LOAD_STATE }, |
60 | { KEY_3, IN_BINDTYPE_EMU, SACTION_PREV_SSLOT }, |
61 | { KEY_4, IN_BINDTYPE_EMU, SACTION_NEXT_SSLOT }, |
62 | { KEY_5, IN_BINDTYPE_EMU, SACTION_TOGGLE_FSKIP }, |
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63 | { KEY_6, IN_BINDTYPE_EMU, SACTION_SCREENSHOT }, |
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64 | { 0, 0, 0 } |
65 | }; |
66 | |
67 | static void analog_init(void) |
68 | { |
69 | int i, nub; |
70 | |
71 | fdnub[0] = fdnub[1] = -1; |
72 | |
73 | for (i = nub = 0; nub < 2; i++) |
74 | { |
75 | long absbits[(ABS_MAX+1) / sizeof(long) / 8]; |
76 | int ret, fd, support = 0; |
77 | char name[64]; |
78 | |
79 | snprintf(name, sizeof(name), "/dev/input/event%d", i); |
80 | fd = open(name, O_RDONLY|O_NONBLOCK); |
81 | if (fd == -1) { |
82 | if (errno == EACCES) |
83 | continue; /* maybe we can access next one */ |
84 | break; |
85 | } |
86 | |
87 | /* check supported events */ |
88 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); |
89 | if (ret == -1) { |
90 | printf("pandora: ioctl failed on %s\n", name); |
91 | goto skip; |
92 | } |
93 | |
94 | if (!(support & (1 << EV_ABS))) |
95 | goto skip; |
96 | |
97 | ret = ioctl(fd, EVIOCGNAME(sizeof(name)), name); |
98 | if (ret == -1 || strncmp(name, "nub", 3) != 0) |
99 | goto skip; |
100 | |
101 | ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits); |
102 | if (ret == -1) |
103 | goto skip; |
104 | if ((absbits[0] & ((1 << ABS_X)|(1 << ABS_Y))) != ((1 << ABS_X)|(1 << ABS_Y))) |
105 | goto skip; |
106 | |
107 | printf("pandora: found analog #%d \"%s\"\n", nub, name); |
108 | fdnub[nub++] = fd; |
109 | continue; |
110 | |
111 | skip: |
112 | close(fd); |
113 | } |
114 | |
115 | if (nub != 2) |
116 | printf("pandora: warning: not all nubs found: %d\n", nub); |
117 | |
118 | analog_init_done = 1; |
119 | } |
120 | |
121 | void in_update_analogs(void) |
122 | { |
123 | int *nubp[2] = { in_a1, in_a2 }; |
124 | struct input_absinfo ainfo; |
125 | int i, fd, v, ret; |
126 | |
127 | if (!analog_init_done) |
128 | analog_init(); |
129 | |
130 | for (i = 0; i < 2; i++) { |
131 | fd = fdnub[i]; |
132 | if (fd < 0) |
133 | continue; |
134 | |
135 | ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); |
136 | if (ret == -1) { |
137 | perror("ioctl"); |
138 | continue; |
139 | } |
140 | v = ainfo.value / 2 + 127; |
141 | nubp[i][0] = v < 0 ? 0 : v; |
142 | |
143 | ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo); |
144 | if (ret == -1) { |
145 | perror("ioctl"); |
146 | continue; |
147 | } |
148 | v = ainfo.value / 2 + 127; |
149 | nubp[i][1] = v < 0 ? 0 : v; |
150 | } |
151 | //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]); |
152 | } |
153 | |
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154 | int pandora_rescan_inputs(void) |
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155 | { |
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156 | in_probe(); |
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157 | in_set_config(in_name_to_id("evdev:gpio-keys"), IN_CFG_KEY_NAMES, |
158 | pandora_gpio_keys, sizeof(pandora_gpio_keys)); |
159 | |
160 | return 0; |
161 | } |