evdev: Remove evdev.ko linkage dependency on kbd driver

Move evdev_ev_kbd_event() helper from evdev to kbd.c as otherwise evdev
unconditionally requires all keyboard and console stuff to be compiled
into the kernel. This dependency happens as evdev_ev_kbd_event() helper
references kbdsw global variable defined in kbd.c through use of
kbdd_ioctl() macro.

While here make all keyboard drivers respect evdev_rcpt_mask while setting
typematic rate and LEDs with evdev interface.

Requested by:	Milan Obuch <bsd@dino.sk>
Reviewed by:	hselasky, gonzo
Differential Revision:	https://reviews.freebsd.org/D16614

1 files changed, 19 insertions, 1 deletions

diff --git a/sys/dev/kbdmux/kbdmux.c b/sys/dev/kbdmux/kbdmux.c
index 4c6381dc850d..f17634c8879b 100644
--- a/sys/dev/kbdmux/kbdmux.c
+++ b/sys/dev/kbdmux/kbdmux.c
@@ -384,8 +384,10 @@ static keyboard_switch_t kbdmuxsw = {
 };
 
 #ifdef EVDEV_SUPPORT
+static evdev_event_t kbdmux_ev_event;
+
 static const struct evdev_methods kbdmux_evdev_methods = {
-	.ev_event = evdev_ev_kbd_event,
+	.ev_event = kbdmux_ev_event,
 };
 #endif
 
@@ -1390,6 +1392,22 @@ kbdmux_poll(keyboard_t *kbd, int on)
 	return (0);
 }
 
+#ifdef EVDEV_SUPPORT
+static void
+kbdmux_ev_event(struct evdev_dev *evdev, uint16_t type, uint16_t code,
+    int32_t value)
+{
+	keyboard_t *kbd = evdev_get_softc(evdev);
+
+	if (evdev_rcpt_mask & EVDEV_RCPT_KBDMUX &&
+	    (type == EV_LED || type == EV_REP)) {
+		mtx_lock(&Giant);
+		kbd_ev_event(kbd, type, code, value);
+		mtx_unlock(&Giant);
+	}
+}
+#endif
+
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