move select from evdev to upper level

git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@636 be3aeb3a-fb24-0410-a615-afba39da0efa

common/input.c

@@ -9,6 +9,7 @@
 typedef struct
 {
 	int drv_id;
+	int drv_fd_hnd;
 	void *drv_data;
 	char *name;
 	int *binds;
@@ -61,7 +62,7 @@ static void in_free(in_dev_t *dev)
 }
 
 /* to be called by drivers */
-void in_register(const char *nname, int drv_id, void *drv_data)
+void in_register(const char *nname, int drv_id, int drv_fd_hnd, void *drv_data)
 {
 	int i, ret, dupe_count = 0, *binds;
 	char name[256], *name_end, *tmp;
@@ -116,6 +117,7 @@ void in_register(const char *nname, int drv_id, void *drv_data)
 update:
 	in_devices[i].probed = 1;
 	in_devices[i].drv_id = drv_id;
+	in_devices[i].drv_fd_hnd = drv_fd_hnd;
 	in_devices[i].drv_data = drv_data;
 
 	if (in_devices[i].binds != NULL) {
@@ -150,6 +152,7 @@ void in_probe(void)
 	}
 }
 
+/* async update */
 int in_update(void)
 {
 	int i, result = 0;
@@ -170,19 +173,6 @@ int in_update(void)
 	return result;
 }
 
-static void **in_collect_drvdata(int drv_id, int *count)
-{
-	static void *data[IN_MAX_DEVS];
-	int i;
-
-	for (*count = i = 0; i < in_dev_count; i++) {
-		if (in_devices[i].drv_id == drv_id && in_devices[i].probed)
-			data[(*count)++] = in_devices[i].drv_data;
-	}
-
-	return data;
-}
-
 static int menu_key_state = 0;
 
 void in_set_blocking(int is_blocking)
@@ -199,39 +189,84 @@ void in_set_blocking(int is_blocking)
 	in_update_keycode(NULL, NULL, 0);
 }
 
+/* TODO: move.. */
+#include <unistd.h>
+
 /* 
- * update with wait for a press, return keycode
+ * update with wait for a press, always return some keycode
- * only can use 1 drv here..
  */
 int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
 {
 	int result = 0, dev_id = 0, is_down, result_menu;
-#ifdef IN_EVDEV
+	int fds_hnds[IN_MAX_DEVS];
-	void **data;
+	int i, ret, count = 0;
-	int i, id = 0, count = 0;
+	in_drv_t *drv;
+
+	for (i = 0; i < in_dev_count; i++) {
+		if (in_devices[i].probed)
+			fds_hnds[count++] = in_devices[i].drv_fd_hnd;
+	}
 
-	data = in_collect_drvdata(IN_DRVID_EVDEV, &count);
 	if (count == 0) {
 		/* don't deadlock, fail */
 		printf("input: failed to find devices to read\n");
 		exit(1);
 	}
 
-	result = in_evdev_update_keycode(data, count, &id, &is_down, timeout_ms);
+again:
+	/* TODO: move this block to platform/linux */
+	{
+		struct timeval tv, *timeout = NULL;
+		int fdmax = -1;
+		fd_set fdset;
 
-	for (i = id; i < in_dev_count; i++) {
+		if (timeout_ms >= 0) {
-		if (in_devices[i].drv_data == data[id]) {
+			tv.tv_sec = timeout_ms / 1000;
+			tv.tv_usec = (timeout_ms % 1000) * 1000;
+			timeout = &tv;
+		}
+
+		FD_ZERO(&fdset);
+		for (i = 0; i < count; i++) {
+			if (fds_hnds[i] > fdmax) fdmax = fds_hnds[i];
+			FD_SET(fds_hnds[i], &fdset);
+		}
+
+		ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
+		if (ret == -1)
+		{
+			perror("input: select failed");
+			sleep(1);
+			return 0;
+		}
+
+		if (ret == 0)
+			return 0; /* timeout */
+
+		for (i = 0; i < count; i++)
+			if (FD_ISSET(fds_hnds[i], &fdset))
+				ret = fds_hnds[i];
+	}
+
+	for (i = 0; i < in_dev_count; i++) {
+		if (in_devices[i].drv_fd_hnd == ret) {
 			dev_id = i;
 			break;
 		}
 	}
-#else
+
-#error no menu read handlers
+	drv = &DRV(in_devices[dev_id].drv_id);
-#endif
+	result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
+
+	/* update_keycode() might return 0 when some not interesting
+	 * event happened, like sync event for evdev.
+	 * XXX: timeout restarts.. */
+	if (result == 0)
+		goto again;
 
 	/* keep track of menu key state, to allow mixing
 	 * in_update_keycode() and in_menu_wait_any() calls */
-	result_menu = DRV(in_devices[dev_id].drv_id).menu_translate(result);
+	result_menu = drv->menu_translate(result);
 	if (result_menu != 0) {
 		if (is_down)
 			menu_key_state |=  result_menu;
@@ -571,6 +606,7 @@ static int  in_def_get_bind_count(void) { return 0; }
 static void in_def_get_def_binds(int *binds) {}
 static int  in_def_clean_binds(void *drv_data, int *binds) { return 0; }
 static void in_def_set_blocking(void *data, int y) {}
+static int  in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
 static int  in_def_menu_translate(int keycode) { return keycode; }
 static int  in_def_get_key_code(const char *key_name) { return 0; }
 static const char *in_def_get_key_name(int keycode) { return NULL; }
@@ -591,6 +627,7 @@ void in_init(void)
 		in_drivers[i].get_def_binds = in_def_get_def_binds;
 		in_drivers[i].clean_binds = in_def_clean_binds;
 		in_drivers[i].set_blocking = in_def_set_blocking;
+		in_drivers[i].update_keycode = in_def_update_keycode;
 		in_drivers[i].menu_translate = in_def_menu_translate;
 		in_drivers[i].get_key_code = in_def_get_key_code;
 		in_drivers[i].get_key_name = in_def_get_key_name;

common/input.h

@@ -3,6 +3,7 @@
 enum {
 	IN_DRVID_UNKNOWN = 0,
 	IN_DRVID_EVDEV,
+	IN_DRVID_GP2X,
 	IN_DRVID_COUNT
 };
 
@@ -14,6 +15,7 @@ typedef struct {
 	void (*get_def_binds)(int *binds);
 	int  (*clean_binds)(void *drv_data, int *binds);
 	void (*set_blocking)(void *data, int y);
+	int  (*update_keycode)(void *drv_data, int *is_down);
 	int  (*menu_translate)(int keycode);
 	int  (*get_key_code)(const char *key_name);
 	const char * (*get_key_name)(int keycode);
@@ -21,7 +23,7 @@ typedef struct {
 
 
 /* to be called by drivers */
-void in_register(const char *nname, int drv_id, void *drv_data);
+void in_register(const char *nname, int drv_id, int fd_hnd, void *drv_data);
 
 void in_init(void);
 void in_probe(void);

linux/in_evdev.c

@@ -195,7 +195,7 @@ no_abs:
 		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, dev);
+		in_register(name, IN_DRVID_EVDEV, fd, dev);
 		continue;
 
 skip:
@@ -295,50 +295,15 @@ static void in_evdev_set_blocking(void *drv_data, int y)
 		perror("in_evdev: F_SETFL fcntl failed");
 }
 
-int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, int timeout_ms)
+static int in_evdev_update_keycode(void *data, int *is_down)
 {
-	in_evdev_t **devs = (in_evdev_t **)data;
+	in_evdev_t *dev = data;
-	struct timeval tv, *timeout = NULL;
+	struct input_event ev;
-	int i, fdmax = -1;
+	int rd;
-
-	if (timeout_ms >= 0) {
-		tv.tv_sec = timeout_ms / 1000;
-		tv.tv_usec = (timeout_ms % 1000) * 1000;
-		timeout = &tv;
-	}
 
 	if (is_down != NULL)
 		*is_down = 0;
 
-	for (i = 0; i < dcount; i++)
-		if (devs[i]->fd > fdmax) fdmax = devs[i]->fd;
-
-	while (1)
-	{
-		struct input_event ev;
-		in_evdev_t *dev = NULL;
-		int ret, rd;
-		fd_set fdset;
-
-		FD_ZERO(&fdset);
-		for (i = 0; i < dcount; i++)
-			FD_SET(devs[i]->fd, &fdset);
-
-		ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
-		if (ret == -1)
-		{
-			perror("in_evdev: select failed");
-			sleep(1);
-			return 0;
-		}
-
-		if (ret == 0)
-			return 0; /* timeout */
-
-		for (i = 0; i < dcount; i++)
-			if (FD_ISSET(devs[i]->fd, &fdset))
-				*which = i, dev = devs[i];
-
 	rd = read(dev->fd, &ev, sizeof(ev));
 	if (rd < (int) sizeof(ev)) {
 		perror("in_evdev: error reading");
@@ -348,7 +313,7 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, i
 
 	if (ev.type == EV_KEY) {
 		if (ev.value < 0 || ev.value > 1)
-				continue;
+			return 0;
 		if (is_down != NULL)
 			*is_down = ev.value;
 		return ev.code;
@@ -383,7 +348,8 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, i
 			return dev->abs_lasty;
 		}
 	}
-	}
+
+	return 0;
 }
 
 static int in_evdev_menu_translate(int keycode)
@@ -502,6 +468,7 @@ 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;

linux/in_evdev.h

@@ -1,5 +1,4 @@
 
-int  in_evdev_update(void *drv_data, int *binds);
-int  in_evdev_update_keycode(void **data, int count, int *which, int *is_down, int timeout_ms);
 void in_evdev_init(void *vdrv);
+int  in_evdev_update(void *drv_data, int *binds);