From ece2d0720406f5f64f2735dcb416593ac38d0650 Mon Sep 17 00:00:00 2001
From: nate <nate@FreeBSD.org>
Date: Sun, 10 Nov 1996 16:44:13 +0000
Subject: Allow us to enable the 'XT_KEYBOARD' code using a configuration flag.
 This allows the user to add modify syscons's configuration flags using
 UserConfig that will allow older/quirky hardware (most notably older IBM
 ThinkPad laptops) to work with the standard boot kernel.

Inspired by:	The Nomads
---
 sys/i386/isa/syscons.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

(limited to 'sys/i386/isa/syscons.c')

diff --git a/sys/i386/isa/syscons.c b/sys/i386/isa/syscons.c
index e38ec37..d326ebe 100644
--- a/sys/i386/isa/syscons.c
+++ b/sys/i386/isa/syscons.c
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *  $Id: syscons.c,v 1.182 1996/10/26 20:16:58 sos Exp $
+ *  $Id: syscons.c,v 1.183 1996/11/04 21:01:08 sos Exp $
  */
 
 #include "sc.h"
@@ -295,6 +295,7 @@ static int
 scprobe(struct isa_device *dev)
 {
     int i, j, retries = 5;
+    int xt_keyboard = 0;
     u_char val;
 
     /* Enable interrupts and keyboard controller */
@@ -341,13 +342,23 @@ gotack:
 	    goto fail;
 	}
     }
+    /*
+     * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards
+     * such as those on the IBM ThinkPad laptop computers can be used
+     * with the standard console driver.
+     */
+    if ( dev->id_flags & XT_KEYBD )
+        xt_keyboard = 1;
 #ifdef XT_KEYBOARD
-    kbd_wait();
-    outb(KB_DATA, 0xF0);
-    kbd_wait();
-    outb(KB_DATA, 1);
-    kbd_wait();
-#endif /* XT_KEYBOARD */
+    xt_keyboard = 1;
+#endif
+    if ( xt_keyboard ) {
+        kbd_wait();
+        outb(KB_DATA, 0xF0);
+        kbd_wait();
+        outb(KB_DATA, 1);
+        kbd_wait();
+    }
 
   succeed: 
     return (IO_KBDSIZE);
-- 
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