X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fin_evdev.c;h=d33dbc50ef4503542da0dc76dc638c9c72255d6d;hb=0c9246818bd60479456eae8bf0aae2cb6aa9aae6;hp=edfa6ef5f7f6dbefc65e83e17dfc01aa2defc6f3;hpb=e9b2926437ccf6b630cf79e00ed98f7934201c20;p=libpicofe.git

diff --git a/linux/in_evdev.c b/linux/in_evdev.c
index edfa6ef..d33dbc5 100644
--- a/linux/in_evdev.c
+++ b/linux/in_evdev.c
@@ -1,3 +1,13 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2008-2010
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -39,6 +49,8 @@ typedef struct {
 #define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \
 	~(1 << ((x) & (sizeof(keybits[0])*8-1))))
 
+int in_evdev_allow_abs_only;
+
 static const char * const in_evdev_prefix = "evdev:";
 static const char * const in_evdev_keys[KEY_CNT] = {
 	[0 ... KEY_MAX] = NULL,
@@ -141,7 +153,7 @@ static void in_evdev_probe(void)
 	for (i = 0;; i++)
 	{
 		int support = 0, count = 0;
-		int u, ret, fd, kc_first, kc_last;
+		int u, ret, fd, kc_first = KEY_MAX, kc_last = 0;
 		in_evdev_t *dev;
 		char name[64];
 
@@ -160,30 +172,29 @@ static void in_evdev_probe(void)
 			goto skip;
 		}
 
-		if (!(support & (1 << EV_KEY)))
-			goto skip;
-
-		ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
-		if (ret == -1) {
-			printf("in_evdev: ioctl failed on %s\n", name);
-			goto skip;
-		}
+		if (support & (1 << EV_KEY)) {
+			ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
+			if (ret == -1) {
+				printf("in_evdev: ioctl failed on %s\n", name);
+				goto skip;
+			}
 
-		/* check for interesting keys */
-		kc_first = KEY_MAX;
-		kc_last = 0;
-		for (u = 0; u < KEY_CNT; u++) {
-			if (KEYBITS_BIT(u)) {
-				if (u < kc_first)
-					kc_first = u;
-				if (u > kc_last)
-					kc_last = u;
-				if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
-					count++;
+			/* check for interesting keys */
+			for (u = 0; u < KEY_CNT; u++) {
+				if (KEYBITS_BIT(u)) {
+					if (u < kc_first)
+						kc_first = u;
+					if (u > kc_last)
+						kc_last = u;
+					if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
+						count++;
+					if (u == BTN_TOUCH) /* we can't deal with ts currently */
+						goto skip;
+				}
 			}
 		}
 
-		if (count == 0)
+		if (count == 0 && !in_evdev_allow_abs_only)
 			goto skip;
 
 		dev = calloc(1, sizeof(*dev));
@@ -227,6 +238,11 @@ static void in_evdev_probe(void)
 		}
 
 no_abs:
+		if (count == 0 && dev->abs_lzone == 0) {
+			free(dev);
+			goto skip;
+		}
+
 		dev->fd = fd;
 		dev->kc_first = kc_first;
 		dev->kc_last = kc_last;
@@ -251,9 +267,11 @@ static void in_evdev_free(void *drv_data)
 	free(dev);
 }
 
-static int in_evdev_get_bind_count(void)
+static const char * const *
+in_evdev_get_key_names(int *count)
 {
-	return KEY_CNT;
+	*count = KEY_CNT;
+	return in_evdev_keys;
 }
 
 static void or_binds(const int *binds, int key, int *result)
@@ -392,11 +410,14 @@ static int in_evdev_update_keycode(void *data, int *is_down)
 	struct input_event ev;
 	int rd;
 
+	/* do single event, the caller sometimes wants
+	 * to do select() in blocking mode */
 	rd = read(dev->fd, &ev, sizeof(ev));
 	if (rd < (int) sizeof(ev)) {
 		if (errno != EAGAIN) {
 			perror("in_evdev: error reading");
-			sleep(1);
+			//sleep(1);
+			ret_kc = -2;
 		}
 		goto out;
 	}
@@ -517,6 +538,8 @@ static int in_evdev_menu_translate(void *drv_data, int keycode)
 	return 0;
 }
 
+/* FIXME: move to plat */
+#if 0
 static const struct {
 	short code;
 	char btype;
@@ -550,16 +573,18 @@ static const struct {
 	{ BTN_PINKIE,	IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
 	{ BTN_BASE,	IN_BINDTYPE_EMU, PEVB_MENU },
 };
-
-#define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0]))
+#endif
 
 static void in_evdev_get_def_binds(int *binds)
 {
 	int i;
 
-	for (i = 0; i < DEF_BIND_COUNT; i++)
-		binds[IN_BIND_OFFS(in_evdev_def_binds[i].code, in_evdev_def_binds[i].btype)] =
-			1 << in_evdev_def_binds[i].bit;
+	for (i = 0; ; i++) {
+		if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
+			break;
+		binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
+			1 << in_evdev_defbinds[i].bit;
+	}
 }
 
 /* remove binds of missing keys, count remaining ones */
@@ -569,10 +594,11 @@ static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds)
 	in_evdev_t *dev = drv_data;
 	int i, t, ret, offs, count = 0;
 
+	memset(keybits, 0, sizeof(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 */
+		// memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
 	}
 
 	if (dev->abs_lzone != 0) {
@@ -604,7 +630,7 @@ void in_evdev_init(void *vdrv)
 	drv->prefix = in_evdev_prefix;
 	drv->probe = in_evdev_probe;
 	drv->free = in_evdev_free;
-	drv->get_bind_count = in_evdev_get_bind_count;
+	drv->get_key_names = in_evdev_get_key_names;
 	drv->get_def_binds = in_evdev_get_def_binds;
 	drv->clean_binds = in_evdev_clean_binds;
 	drv->set_config = in_evdev_set_config;