X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fin_evdev.c;h=8a002960c17f74f80ef75cb8d6f7ca11fa63b420;hb=f6eaae4f09c6abab99692900a31c1df2a06b99af;hp=cfb31b6c2e9347c151c5a399247a49e1248e4d88;hpb=da767bd51b7532b822a28d5a2878a6cd80110675;p=libpicofe.git diff --git a/linux/in_evdev.c b/linux/in_evdev.c index cfb31b6..8a00296 100644 --- a/linux/in_evdev.c +++ b/linux/in_evdev.c @@ -1,4 +1,5 @@ #include +#include #include #include #include @@ -8,15 +9,35 @@ #include #include -#include "../common/common.h" #include "../common/input.h" #include "in_evdev.h" +typedef struct { + int fd; + int *kbits; + int abs_lzone; + int abs_rzone; + int abs_tzone; + int abs_bzone; + int abs_lastx; + int abs_lasty; +} in_evdev_t; + +#ifndef KEY_CNT +#define KEY_CNT (KEY_MAX + 1) +#endif + #define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ (1 << ((x) & (sizeof(keybits[0])*8-1)))) +#define KEYBITS_BIT_SET(x) (keybits[(x)/sizeof(keybits[0])/8] |= \ + (1 << ((x) & (sizeof(keybits[0])*8-1)))) + +#define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \ + ~(1 << ((x) & (sizeof(keybits[0])*8-1)))) + static const char * const in_evdev_prefix = "evdev:"; -static const char * const in_evdev_keys[KEY_MAX + 1] = { +static const char * const in_evdev_keys[KEY_CNT] = { [0 ... KEY_MAX] = NULL, [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", [KEY_1] = "1", [KEY_2] = "2", @@ -105,18 +126,29 @@ static const char * const in_evdev_keys[KEY_MAX + 1] = { static void in_evdev_probe(void) { + long keybits[KEY_CNT / sizeof(long) / 8]; + long absbits[(ABS_MAX+1) / sizeof(long) / 8]; int i; + // the kernel might support and return less keys then we know about, + // so make sure the buffers are clear. + memset(keybits, 0, sizeof(keybits)); + memset(absbits, 0, sizeof(absbits)); + for (i = 0;; i++) { - int u, ret, fd, keybits[(KEY_MAX+1)/sizeof(int)]; int support = 0, count = 0; + in_evdev_t *dev; + int u, ret, fd; char name[64]; snprintf(name, sizeof(name), "/dev/input/event%d", i); fd = open(name, O_RDONLY|O_NONBLOCK); - if (fd == -1) + if (fd == -1) { + if (errno == EACCES) + continue; /* maybe we can access next one */ break; + } /* check supported events */ ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); @@ -135,19 +167,61 @@ static void in_evdev_probe(void) } /* check for interesting keys */ - for (u = 0; u < KEY_MAX + 1; u++) { - if (KEYBITS_BIT(u) && u != KEY_POWER && u != KEY_SLEEP) + for (u = 0; u < KEY_CNT; u++) { + if (KEYBITS_BIT(u) && u != KEY_POWER && + u != KEY_SLEEP && u != BTN_TOUCH) count++; } if (count == 0) goto skip; + dev = calloc(1, sizeof(*dev)); + if (dev == NULL) + goto skip; + + ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits); + if (ret == -1) { + printf("Warning: EVIOCGKEY not supported, will have to track state\n"); + dev->kbits = calloc(KEY_CNT, sizeof(int)); + if (dev->kbits == NULL) { + free(dev); + goto skip; + } + } + + /* check for abs too */ + if (support & (1 << EV_ABS)) { + struct input_absinfo ainfo; + int dist; + ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits); + if (ret == -1) + goto no_abs; + if (absbits[0] & (1 << ABS_X)) { + ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); + if (ret == -1) + goto no_abs; + dist = ainfo.maximum - ainfo.minimum; + dev->abs_lzone = ainfo.minimum + dist / 4; + dev->abs_rzone = ainfo.maximum - dist / 4; + } + if (absbits[0] & (1 << ABS_Y)) { + ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo); + if (ret == -1) + goto no_abs; + dist = ainfo.maximum - ainfo.minimum; + dev->abs_tzone = ainfo.minimum + dist / 4; + dev->abs_bzone = ainfo.maximum - dist / 4; + } + } + +no_abs: + dev->fd = fd; strcpy(name, in_evdev_prefix); ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6); printf("in_evdev: found \"%s\" with %d events (type %08x)\n", name+6, count, support); - in_register(name, IN_DRVID_EVDEV, (void *)fd); + in_register(name, IN_DRVID_EVDEV, fd, dev, KEY_CNT, 0); continue; skip: @@ -157,145 +231,233 @@ skip: static void in_evdev_free(void *drv_data) { - close((int)drv_data); + in_evdev_t *dev = drv_data; + if (dev == NULL) + return; + close(dev->fd); + free(dev); } static int in_evdev_get_bind_count(void) { - return KEY_MAX + 1; + return KEY_CNT; } -int in_evdev_update(void *drv_data, int *binds) +static void or_binds(const int *binds, int key, int *result) +{ + int t; + for (t = 0; t < IN_BINDTYPE_COUNT; t++) + result[t] |= binds[IN_BIND_OFFS(key, t)]; +} + +/* ORs result with binds of pressed buttons + * XXX: should measure performance hit of this func, might need to optimize */ +int in_evdev_update(void *drv_data, const int *binds, int *result) { struct input_event ev[16]; - int keybits[(KEY_MAX+1)/sizeof(int)]; - int fd = (int)drv_data; - int result = 0, changed = 0; + struct input_absinfo ainfo; + int keybits_[KEY_CNT / sizeof(int)]; + int *keybits = keybits_; + in_evdev_t *dev = drv_data; int rd, ret, u; - while (1) { - rd = read(fd, ev, sizeof(ev)); - if (rd < (int)sizeof(ev[0])) { - if (errno != EAGAIN) - perror("in_evdev: read failed"); - break; + if (dev->kbits == NULL) { + ret = ioctl(dev->fd, EVIOCGKEY(sizeof(keybits_)), keybits_); + if (ret == -1) { + perror("in_evdev: ioctl failed"); + return -1; + } + } + else { + keybits = dev->kbits; + while (1) { + rd = read(dev->fd, ev, sizeof(ev)); + if (rd < (int)sizeof(ev[0])) { + if (errno != EAGAIN) + perror("in_evdev: read failed"); + break; + } + for (u = 0; u < rd / sizeof(ev[0]); u++) { + if (ev[u].type != EV_KEY) + continue; + else if (ev[u].value == 1) + KEYBITS_BIT_SET(ev[u].code); + else if (ev[u].value == 0) + KEYBITS_BIT_CLEAR(ev[u].code); + } } - - changed = 1; } -/* - if (!changed) - return 0; -*/ - ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits); - if (ret == -1) { - perror("in_evdev: ioctl failed"); - return 0; + for (u = 0; u < KEY_CNT; u++) { + if (KEYBITS_BIT(u)) + or_binds(binds, u, result); } - printf("#%d: ", fd); - for (u = 0; u < KEY_MAX + 1; u++) { - if (KEYBITS_BIT(u)) { - printf(" %d", u); - result |= binds[u]; + /* map X and Y absolute to UDLR */ + if (dev->abs_lzone != 0) { + ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo); + if (ret != -1) { + if (ainfo.value < dev->abs_lzone) or_binds(binds, KEY_LEFT, result); + if (ainfo.value > dev->abs_rzone) or_binds(binds, KEY_RIGHT, result); + } + } + if (dev->abs_tzone != 0) { + ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo); + if (ret != -1) { + if (ainfo.value < dev->abs_tzone) or_binds(binds, KEY_UP, result); + if (ainfo.value > dev->abs_bzone) or_binds(binds, KEY_DOWN, result); } } - printf("\n"); - return result; + return 0; } -static void in_evdev_set_blocking(void *data, int y) +static void in_evdev_set_blocking(void *drv_data, int y) { + in_evdev_t *dev = drv_data; long flags; int ret; - flags = (long)fcntl((int)data, F_GETFL); + flags = (long)fcntl(dev->fd, F_GETFL); if ((int)flags == -1) { perror("in_evdev: F_GETFL fcntl failed"); return; } + + if (flags & O_NONBLOCK) { + /* flush the event queue */ + struct input_event ev; + do { + ret = read(dev->fd, &ev, sizeof(ev)); + } + while (ret == sizeof(ev)); + } + if (y) flags &= ~O_NONBLOCK; else flags |= O_NONBLOCK; - ret = fcntl((int)data, F_SETFL, flags); + ret = fcntl(dev->fd, F_SETFL, flags); if (ret == -1) perror("in_evdev: F_SETFL fcntl failed"); } -int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down) +static int in_evdev_update_keycode(void *data, int *is_down) { - const int *fds = (const int *)data; - int i, fdmax = -1; - - for (i = 0; i < dcount; i++) - if (fds[i] > fdmax) fdmax = fds[i]; - - while (1) - { - struct input_event ev[64]; - int ret, fd = -1, rd; - fd_set fdset; - - FD_ZERO(&fdset); - for (i = 0; i < dcount; i++) - FD_SET(fds[i], &fdset); - - ret = select(fdmax + 1, &fdset, NULL, NULL, NULL); - if (ret == -1) - { - perror("in_evdev: select failed"); - sleep(1); - return 0; - } + in_evdev_t *dev = data; + struct input_event ev; + int rd; - for (i = 0; i < dcount; i++) - if (FD_ISSET(fds[i], &fdset)) - *which = i, fd = fds[i]; + if (is_down != NULL) + *is_down = 0; - rd = read(fd, ev, sizeof(ev[0]) * 64); - if (rd < (int) sizeof(ev[0])) { + rd = read(dev->fd, &ev, sizeof(ev)); + if (rd < (int) sizeof(ev)) { + if (errno != EAGAIN) { perror("in_evdev: error reading"); sleep(1); - return 0; } + return -1; + } - for (i = 0; i < rd / sizeof(ev[0]); i++) - { - if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1) - continue; - - if (is_down) - *is_down = ev[i].value; - return ev[i].code; + if (ev.type == EV_KEY) { + if (ev.value < 0 || ev.value > 1) + return -1; + if (is_down != NULL) + *is_down = ev.value; + return ev.code; + } + else if (ev.type == EV_ABS) + { + int down = 0; + if (dev->abs_lzone != 0 && ev.code == ABS_X) { + if (ev.value < dev->abs_lzone) { + down = 1; + dev->abs_lastx = KEY_LEFT; + } + else if (ev.value > dev->abs_rzone) { + down = 1; + dev->abs_lastx = KEY_RIGHT; + } + if (is_down != NULL) + *is_down = down; + return dev->abs_lastx; + } + if (dev->abs_tzone != 0 && ev.code == ABS_Y) { + if (ev.value < dev->abs_tzone) { + down = 1; + dev->abs_lasty = KEY_UP; + } + else if (ev.value > dev->abs_bzone) { + down = 1; + dev->abs_lasty = KEY_DOWN; + } + if (is_down != NULL) + *is_down = down; + return dev->abs_lasty; } } + + return -1; } +static const struct { + short key; + short pbtn; +} key_pbtn_map[] = +{ + { KEY_UP, PBTN_UP }, + { KEY_DOWN, PBTN_DOWN }, + { KEY_LEFT, PBTN_LEFT }, + { KEY_RIGHT, PBTN_RIGHT }, + { KEY_ENTER, PBTN_MOK }, + { KEY_END, PBTN_MOK }, + { BTN_TRIGGER, PBTN_MOK }, + { KEY_ESC, PBTN_MBACK }, + { KEY_PAGEDOWN, PBTN_MBACK }, + { BTN_THUMB, PBTN_MBACK }, + { KEY_A, PBTN_MA2 }, + { KEY_HOME, PBTN_MA2 }, + { KEY_S, PBTN_MA3 }, + { KEY_PAGEUP, PBTN_MA3 }, + { KEY_BACKSLASH, PBTN_MENU }, + { KEY_LEFTCTRL, PBTN_MENU }, + { KEY_RIGHTSHIFT, PBTN_L }, + { KEY_LEFTBRACE, PBTN_L }, + { KEY_RIGHTCTRL, PBTN_R }, + { KEY_RIGHTBRACE, PBTN_R }, +}; + +#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0])) + static int in_evdev_menu_translate(int keycode) { - switch (keycode) { - /* keyboards */ - case KEY_UP: return PBTN_UP; - case KEY_DOWN: return PBTN_DOWN; - case KEY_LEFT: return PBTN_LEFT; - case KEY_RIGHT: return PBTN_RIGHT; - case KEY_ENTER: return PBTN_EAST; - case KEY_ESC: return PBTN_SOUTH; - 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_evdev_get_key_code(const char *key_name) { int i; - for (i = 0; i < KEY_MAX + 1; i++) { + for (i = 0; i < KEY_CNT; i++) { const char *k = in_evdev_keys[i]; - if (k != NULL && k[0] == key_name[0] && - strcasecmp(k, key_name) == 0) + if (k != NULL && strcasecmp(k, key_name) == 0) return i; } @@ -315,18 +477,26 @@ static const char *in_evdev_get_key_name(int keycode) static const struct { short code; - short bit; + char btype; + char bit; } in_evdev_def_binds[] = { /* MXYZ SACB RLDU */ - { KEY_UP, 0 }, - { KEY_DOWN, 1 }, - { KEY_LEFT, 2 }, - { KEY_RIGHT, 3 }, - { KEY_S, 4 }, /* B */ - { KEY_D, 5 }, /* C */ - { KEY_A, 6 }, /* A */ - { KEY_ENTER, 7 }, + { KEY_UP, IN_BINDTYPE_PLAYER12, 0 }, + { KEY_DOWN, IN_BINDTYPE_PLAYER12, 1 }, + { KEY_LEFT, IN_BINDTYPE_PLAYER12, 2 }, + { KEY_RIGHT, IN_BINDTYPE_PLAYER12, 3 }, + { KEY_S, IN_BINDTYPE_PLAYER12, 4 }, /* B */ + { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, 4 }, + { KEY_D, IN_BINDTYPE_PLAYER12, 5 }, /* C */ + { KEY_END, IN_BINDTYPE_PLAYER12, 5 }, + { KEY_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */ + { KEY_HOME, IN_BINDTYPE_PLAYER12, 6 }, + { KEY_ENTER, IN_BINDTYPE_PLAYER12, 7 }, + { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, 7 }, + { KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE }, + { KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD }, + { KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU }, }; #define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0])) @@ -336,26 +506,40 @@ static void in_evdev_get_def_binds(int *binds) int i; for (i = 0; i < DEF_BIND_COUNT; i++) - binds[in_evdev_def_binds[i].code] = 1 << in_evdev_def_binds[i].bit; + binds[IN_BIND_OFFS(in_evdev_def_binds[i].code, in_evdev_def_binds[i].btype)] = + 1 << in_evdev_def_binds[i].bit; } -/* remove bad binds, count good ones */ -static int in_evdev_clean_binds(void *drv_data, int *binds) +/* remove binds of missing keys, count remaining ones */ +static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds) { - int keybits[(KEY_MAX+1)/sizeof(int)]; - int i, ret, count = 0; + int keybits[KEY_CNT / sizeof(int)]; + in_evdev_t *dev = drv_data; + int i, t, ret, offs, count = 0; - ret = ioctl((int)drv_data, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); + ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); if (ret == -1) { perror("in_evdev: ioctl failed"); memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */ } - for (i = 0; i < KEY_MAX + 1; i++) { - if (!KEYBITS_BIT(i)) - binds[i] = binds[i + KEY_MAX + 1] = 0; - if (binds[i]) - count++; + if (dev->abs_lzone != 0) { + KEYBITS_BIT_SET(KEY_LEFT); + KEYBITS_BIT_SET(KEY_RIGHT); + } + if (dev->abs_tzone != 0) { + KEYBITS_BIT_SET(KEY_UP); + KEYBITS_BIT_SET(KEY_DOWN); + } + + for (i = 0; i < KEY_CNT; i++) { + for (t = 0; t < IN_BINDTYPE_COUNT; t++) { + offs = IN_BIND_OFFS(i, t); + if (!KEYBITS_BIT(i)) + binds[offs] = def_binds[offs] = 0; + if (binds[offs]) + count++; + } } return count; @@ -372,6 +556,7 @@ void in_evdev_init(void *vdrv) drv->get_def_binds = in_evdev_get_def_binds; drv->clean_binds = in_evdev_clean_binds; drv->set_blocking = in_evdev_set_blocking; + drv->update_keycode = in_evdev_update_keycode; drv->menu_translate = in_evdev_menu_translate; drv->get_key_code = in_evdev_get_key_code; drv->get_key_name = in_evdev_get_key_name;