On 14/09/22 17:21 +0200, Tobias Heider wrote:
> On Wed, Sep 14, 2022 at 11:56:48AM +0000, Miod Vallat wrote:
> > > Hey,
> > > 
> > > the diff below adds FN key combos for Page Up, Page Down and some more
> > > on the M2 keyboard.  Most of the logic was copied from ukbd.
> > 
> > This means most of the munging logic should move from ukbd into hidkbd,
> > but that can be done later.
> 
> Right, that was also my idea. For now I'd be happy to have them working
> at all.

I've also had a look because I wanted this on the M1 macbook as well
and decided to move things out to hidkbd as miod suggested.
Works fine for me.

Index: arch/arm64/dev/apldc.c
===================================================================
RCS file: /cvs/src/sys/arch/arm64/dev/apldc.c,v
retrieving revision 1.3
diff -u -p -u -r1.3 apldc.c
--- arch/arm64/dev/apldc.c      15 Sep 2022 14:45:49 -0000      1.3
+++ arch/arm64/dev/apldc.c      16 Sep 2022 11:58:41 -0000
@@ -37,6 +37,7 @@
 
 #include <dev/hid/hid.h>
 #include <dev/hid/hidkbdsc.h>
+#include <dev/hid/hidkbdtrans.h>
 #include <dev/hid/hidmsvar.h>
 
 #include <arm64/dev/rtkit.h>
@@ -1066,22 +1067,6 @@ struct apldckbd_softc {
        struct apldchidev_softc *sc_hidev;
        struct hidkbd           sc_kbd;
        int                     sc_spl;
-       struct hid_location     sc_fn;
-       int                     sc_has_fn;
-};
-
-struct apldckbd_translation {
-       uint8_t original;
-       uint8_t translation;
-};
-
-static const struct apldckbd_translation apldckbd_trans_table[] = {
-       { 40, 73 },     /* return -> insert */
-       { 42, 76 },     /* backspace -> delete */
-       { 79, 77 },     /* right -> end */
-       { 80, 74 },     /* left -> home */
-       { 81, 78 },     /* down -> page down */
-       { 82, 75 }      /* up -> page up */
 };
 
 void   apldckbd_cngetc(void *, u_int *, int *);
@@ -1138,8 +1123,9 @@ apldckbd_attach(struct device *parent, s
 
        printf("\n");
 
-       sc->sc_has_fn = hid_locate(aa->aa_desc, aa->aa_desclen,
-           HID_USAGE2(HUP_APPLE, HUG_FN_KEY), 1, hid_input, &sc->sc_fn, NULL);
+       if (hid_locate(aa->aa_desc, aa->aa_desclen, HID_USAGE2(HUP_APPLE, 
HUG_FN_KEY),
+           1, hid_input, &kbd->sc_fn, NULL))
+               kbd->sc_munge = hidkbd_apple_munge;
 
        if (kbd->sc_console_keyboard) {
                extern struct wskbd_mapdata ukbd_keymapdata;
@@ -1153,40 +1139,13 @@ apldckbd_attach(struct device *parent, s
 }
 
 void
-apldckbd_munge(void *v, uint8_t *ibuf, size_t ilen)
-{
-       struct apldckbd_softc *sc = v;
-       struct hidkbd *kbd = &sc->sc_kbd;
-       uint8_t *pos, *spos, *epos;
-       const struct apldckbd_translation *tbl;
-       size_t tsize;
-
-       if (!hid_get_data(ibuf, ilen, &sc->sc_fn))
-               return;
-
-       spos = ibuf + kbd->sc_keycodeloc.pos / 8;
-       epos = spos + kbd->sc_nkeycode;
-
-       for (pos = spos; pos != epos; pos++) {
-               tbl = apldckbd_trans_table;
-               tsize = nitems(apldckbd_trans_table);
-               for (; tsize != 0; tbl++, tsize--)
-                       if (tbl->original == *pos)
-                               *pos = tbl->translation;
-       }
-}
-
-void
 apldckbd_intr(struct device *self, uint8_t *packet, size_t packetlen)
 {
        struct apldckbd_softc *sc = (struct apldckbd_softc *)self;
        struct hidkbd *kbd = &sc->sc_kbd;
 
-       if (kbd->sc_enabled) {
-               if (sc->sc_has_fn)
-                       apldckbd_munge(sc, &packet[1], packetlen - 1);
+       if (kbd->sc_enabled)
                hidkbd_input(kbd, &packet[1], packetlen - 1);
-       }
 }
 
 int
Index: arch/arm64/dev/aplhidev.c
===================================================================
RCS file: /cvs/src/sys/arch/arm64/dev/aplhidev.c,v
retrieving revision 1.6
diff -u -p -u -r1.6 aplhidev.c
--- arch/arm64/dev/aplhidev.c   6 Apr 2022 18:59:26 -0000       1.6
+++ arch/arm64/dev/aplhidev.c   16 Sep 2022 11:58:41 -0000
@@ -40,6 +40,7 @@
 
 #include <dev/hid/hid.h>
 #include <dev/hid/hidkbdsc.h>
+#include <dev/hid/hidkbdtrans.h>
 #include <dev/hid/hidmsvar.h>
 
 #include "aplhidev.h"
@@ -458,6 +459,10 @@ aplkbd_attach(struct device *parent, str
                return;
 
        printf("\n");
+
+       if (hid_locate(aa->aa_desc, aa->aa_desclen, HID_USAGE2(HUP_APPLE, 
HUG_FN_KEY),
+           1, hid_input, &kbd->sc_fn, NULL))
+               kbd->sc_munge = hidkbd_apple_munge;
 
        if (kbd->sc_console_keyboard) {
                extern struct wskbd_mapdata ukbd_keymapdata;
Index: dev/hid/hidkbd.c
===================================================================
RCS file: /cvs/src/sys/dev/hid/hidkbd.c,v
retrieving revision 1.6
diff -u -p -u -r1.6 hidkbd.c
--- dev/hid/hidkbd.c    2 Nov 2020 19:45:18 -0000       1.6
+++ dev/hid/hidkbd.c    16 Sep 2022 11:58:42 -0000
@@ -50,6 +50,7 @@
 
 #include <dev/hid/hid.h>
 #include <dev/hid/hidkbdsc.h>
+#include <dev/hid/hidkbdtrans.h>
 
 #ifdef HIDKBD_DEBUG
 #define DPRINTF(x)     do { if (hidkbddebug) printf x; } while (0)
@@ -236,11 +237,119 @@ hidkbd_detach(struct hidkbd *kbd, int fl
        return (rv);
 }
 
+uint8_t
+hidkbd_translate(const struct hidkbd_translation *table, size_t tsize,
+    uint8_t keycode)
+{
+       for (; tsize != 0; table++, tsize--)
+               if (table->original == keycode)
+                       return table->translation;
+       return 0;
+}
+
+void
+hidkbd_apple_translate(void *vsc, uint8_t *ibuf, u_int ilen,
+    const struct hidkbd_translation* trans, u_int tlen)
+{
+       struct hidkbd *kbd = vsc;
+       uint8_t *pos, *spos, *epos, xlat;
+
+       spos = ibuf + kbd->sc_keycodeloc.pos / 8;
+       epos = spos + kbd->sc_nkeycode;
+
+       for (pos = spos; pos != epos; pos++) {
+               xlat = hidkbd_translate(trans, tlen, *pos);
+               if (xlat != 0)
+                       *pos = xlat;
+       }
+}
+
+void
+hidkbd_apple_munge(void *vsc, uint8_t *ibuf, u_int ilen)
+{
+       struct hidkbd *kbd = vsc;
+
+       if (!hid_get_data(ibuf, ilen, &kbd->sc_fn))
+               return;
+
+       hidkbd_apple_translate(vsc, ibuf, ilen, apple_fn_trans,
+           nitems(apple_fn_trans));
+}
+
+void
+hidkbd_apple_iso_munge(void *vsc, uint8_t *ibuf, u_int ilen)
+{
+       hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans,
+           nitems(apple_iso_trans));
+}
+
+void
+hidkbd_apple_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen)
+{
+       struct hidkbd *kbd = vsc;
+
+       if (!hid_get_data(ibuf, ilen, &kbd->sc_fn))
+               return;
+
+       hidkbd_apple_translate(vsc, ibuf, ilen, apple_mba_trans,
+           nitems(apple_mba_trans));
+}
+
+void
+hidkbd_apple_iso_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen)
+{
+       hidkbd_apple_translate(vsc, ibuf, ilen, apple_iso_mba_trans,
+           nitems(apple_iso_mba_trans));
+}
+
+#ifdef __loongson__
+#define        GDIUM_FN_CODE   0x82
+void
+hidkbd_gdium_munge(void *vsc, uint8_t *ibuf, u_int ilen)
+{
+       struct hidkbd *kbd = vsc;
+       uint8_t *pos, *spos, *epos, xlat;
+       int fn;
+
+       spos = ibuf + kbd->sc_keycodeloc.pos / 8;
+       epos = spos + kbd->sc_nkeycode;
+
+       /*
+        * Check for Fn key being down and remove it from the report.
+        */
+
+       fn = 0;
+       for (pos = spos; pos != epos; pos++)
+               if (*pos == GDIUM_FN_CODE) {
+                       fn = 1;
+                       *pos = 0;
+                       break;
+               }
+
+       /*
+        * Rewrite keycodes on the fly to perform Fn-key translation.
+        * Keycodes without a translation are passed unaffected.
+        */
+
+       if (fn != 0)
+               for (pos = spos; pos != epos; pos++) {
+                       xlat = hidkbd_translate(gdium_fn_trans,
+                           nitems(gdium_fn_trans), *pos);
+                       if (xlat != 0)
+                               *pos = xlat;
+               }
+
+}
+#endif
+
 void
 hidkbd_input(struct hidkbd *kbd, uint8_t *data, u_int len)
 {
        struct hidkbd_data *ud = &kbd->sc_ndata;
        int i;
+
+       if (kbd->sc_munge != NULL)
+               (*kbd->sc_munge)(kbd, (uint8_t *)data, len);
 
 #ifdef HIDKBD_DEBUG
        if (hidkbddebug > 5) {
Index: dev/hid/hidkbdsc.h
===================================================================
RCS file: /cvs/src/sys/dev/hid/hidkbdsc.h,v
retrieving revision 1.1
diff -u -p -u -r1.1 hidkbdsc.h
--- dev/hid/hidkbdsc.h  8 Jan 2016 15:54:13 -0000       1.1
+++ dev/hid/hidkbdsc.h  16 Sep 2022 11:58:42 -0000
@@ -67,6 +67,7 @@ struct hidkbd {
        struct hid_location sc_capsloc;
        struct hid_location sc_scroloc;
        struct hid_location sc_compose;
+       struct hid_location sc_fn;
        int sc_leds;
 
        /* state information */
@@ -88,6 +89,13 @@ struct hidkbd {
        int sc_polling;
        int sc_npollchar;
        u_int16_t sc_pollchars[MAXKEYS];
+
+       void (*sc_munge)(void *, uint8_t *, u_int);
+};
+
+struct hidkbd_translation {
+       uint8_t original;
+       uint8_t translation;
 };
 
 int    hidkbd_attach(struct device *, struct hidkbd *, int, uint32_t,
@@ -98,6 +106,7 @@ void hidkbd_bell(u_int, u_int, u_int, in
 void   hidkbd_cngetc(struct hidkbd *, u_int *, int *);
 int    hidkbd_detach(struct hidkbd *, int);
 int    hidkbd_enable(struct hidkbd *, int);
+void   hidkbd_munge(void *, uint8_t *, u_int);
 void   hidkbd_input(struct hidkbd *, uint8_t *, u_int);
 int    hidkbd_ioctl(struct hidkbd *, u_long, caddr_t, int, struct proc *);
 int    hidkbd_set_leds(struct hidkbd *, int, uint8_t *);
Index: dev/hid/hidkbdtrans.h
===================================================================
RCS file: dev/hid/hidkbdtrans.h
diff -N dev/hid/hidkbdtrans.h
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ dev/hid/hidkbdtrans.h       16 Sep 2022 11:58:42 -0000
@@ -0,0 +1,123 @@
+/*     $OpenBSD$       */
+/*
+ * Copyright (c) 2022 Robert Nagy <rob...@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+static const struct hidkbd_translation apple_fn_trans[] = {
+       { 40, 73 },     /* return -> insert */
+       { 42, 76 },     /* backspace -> delete */
+#ifdef notyet
+       { 58, 0 },      /* F1 -> screen brightness down */
+       { 59, 0 },      /* F2 -> screen brightness up */
+       { 60, 0 },      /* F3 */
+       { 61, 0 },      /* F4 */
+       { 62, 0 },      /* F5 -> keyboard backlight down */
+       { 63, 0 },      /* F6 -> keyboard backlight up */
+       { 64, 0 },      /* F7 -> audio back */
+       { 65, 0 },      /* F8 -> audio pause/play */
+       { 66, 0 },      /* F9 -> audio next */
+#endif
+#ifdef __macppc__
+       { 58, 233 },    /* F1 -> screen brightness down */
+       { 59, 232 },    /* F2 -> screen brightness up */
+       { 60, 127 },    /* F3 -> audio mute */
+       { 61, 129 },    /* F4 -> audio lower */
+       { 62, 128 },    /* F5 -> audio raise */
+#else
+       { 67, 127 },    /* F10 -> audio mute */
+       { 68, 129 },    /* F11 -> audio lower */
+       { 69, 128 },    /* F12 -> audio raise */
+#endif
+       { 79, 77 },     /* right -> end */
+       { 80, 74 },     /* left -> home */
+       { 81, 78 },     /* down -> page down */
+       { 82, 75 }      /* up -> page up */
+};
+
+static const struct hidkbd_translation apple_mba_trans[] = {
+       { 40, 73 },     /* return -> insert */
+       { 42, 76 },     /* backspace -> delete */
+#ifdef notyet
+       { 58, 0 },      /* F1 -> screen brightness down */
+       { 59, 0 },      /* F2 -> screen brightness up */
+       { 60, 0 },      /* F3 */
+       { 61, 0 },      /* F4 */
+       { 62, 0 },      /* F5 */
+       { 63, 0 },      /* F6 -> audio back */
+       { 64, 0 },      /* F7 -> audio pause/play */
+       { 65, 0 },      /* F8 -> audio next */
+#endif
+       { 66, 127 },    /* F9 -> audio mute */
+       { 67, 129 },    /* F10 -> audio lower */
+       { 68, 128 },    /* F11 -> audio raise */
+#ifdef notyet
+       { 69, 0 },      /* F12 -> eject */
+#endif
+       { 79, 77 },     /* right -> end */
+       { 80, 74 },     /* left -> home */
+       { 81, 78 },     /* down -> page down */
+       { 82, 75 }      /* up -> page up */
+};
+
+static const struct hidkbd_translation apple_iso_trans[] = {
+       { 53, 100 },    /* less -> grave */
+       { 100, 53 }
+};
+
+static const struct hidkbd_translation apple_iso_mba_trans[] = {
+       { 53, 100 },    /* less -> grave */
+       { 100, 53 }
+};
+
+#ifdef __loongson__
+/*
+ * Software Fn- translation for Gdium Liberty keyboard.
+ */
+static const struct hidkbd_translation gdium_fn_trans[] = {
+#ifdef notyet
+       { 58, 0 },      /* F1 -> toggle camera */
+       { 59, 0 },      /* F2 -> toggle wireless */
+#endif
+       { 60, 127 },    /* F3 -> audio mute */
+       { 61, 128 },    /* F4 -> audio raise */
+       { 62, 129 },    /* F5 -> audio lower */
+#ifdef notyet
+       { 63, 0 },      /* F6 -> toggle ext. video */
+       { 64, 0 },      /* F7 -> toggle mouse */
+       { 65, 0 },      /* F8 -> brightness up */
+       { 66, 0 },      /* F9 -> brightness down */
+       { 67, 0 },      /* F10 -> suspend */
+       { 68, 0 },      /* F11 -> user1 */
+       { 69, 0 },      /* F12 -> user2 */
+       { 70, 0 },      /* print screen -> sysrq */
+#endif
+       { 76, 71 },     /* delete -> scroll lock */
+       { 81, 78 },     /* down -> page down */
+       { 82, 75 }      /* up -> page up */
+};
+#endif
+
+uint8_t        hidkbd_translate(const struct hidkbd_translation *, size_t, 
uint8_t);
+void   hidkbd_apple_translate(void *, uint8_t *, u_int,
+           const struct hidkbd_translation*, u_int);
+
+#ifdef __loongson__
+void   hidkbd_gdium_munge(void *, uint8_t *, u_int);
+#endif
+
+void   hidkbd_apple_munge(void *, uint8_t *, u_int);
+void   hidkbd_apple_iso_munge(void *, uint8_t *, u_int);
+void   hidkbd_apple_mba_munge(void *, uint8_t *, u_int);
+void   hidkbd_apple_iso_mba_munge(void *, uint8_t *, u_int);
Index: dev/usb/ukbd.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/ukbd.c,v
retrieving revision 1.86
diff -u -p -u -r1.86 ukbd.c
--- dev/usb/ukbd.c      9 Jan 2022 05:43:00 -0000       1.86
+++ dev/usb/ukbd.c      16 Sep 2022 11:58:42 -0000
@@ -76,6 +76,7 @@
 #include <dev/wscons/wsksymvar.h>
 
 #include <dev/hid/hidkbdsc.h>
+#include <dev/hid/hidkbdtrans.h>
 
 #ifdef UKBD_DEBUG
 #define DPRINTF(x)     do { if (ukbddebug) printf x; } while (0)
@@ -132,7 +133,6 @@ struct ukbd_softc {
        struct hidkbd           sc_kbd;
        int                     sc_spl;
        struct hid_location     sc_apple_fn;
-       void                    (*sc_munge)(void *, uint8_t *, u_int);
 
 #ifdef DDB
        struct timeout          sc_ddb; /* for entering DDB */
@@ -183,17 +183,6 @@ struct ukbd_translation {
        uint8_t translation;
 };
 
-#ifdef __loongson__
-void   ukbd_gdium_munge(void *, uint8_t *, u_int);
-#endif
-void   ukbd_apple_munge(void *, uint8_t *, u_int);
-void   ukbd_apple_mba_munge(void *, uint8_t *, u_int);
-void   ukbd_apple_iso_munge(void *, uint8_t *, u_int);
-void   ukbd_apple_iso_mba_munge(void *, uint8_t *, u_int);
-void   ukbd_apple_translate(void *, uint8_t *, u_int,
-           const struct ukbd_translation *, u_int);
-uint8_t        ukbd_translate(const struct ukbd_translation *, size_t, 
uint8_t);
-
 int
 ukbd_match(struct device *parent, void *match, void *aux)
 {
@@ -263,12 +252,12 @@ ukbd_attach(struct device *parent, struc
                                case USB_PRODUCT_APPLE_GEYSER3_ISO:
                                case USB_PRODUCT_APPLE_WELLSPRING6_ISO:
                                case USB_PRODUCT_APPLE_WELLSPRING8_ISO:
-                                       sc->sc_munge = ukbd_apple_iso_munge;
+                                       kbd->sc_munge = hidkbd_apple_iso_munge;
                                        break;
                                case USB_PRODUCT_APPLE_WELLSPRING_ISO:
                                case USB_PRODUCT_APPLE_WELLSPRING4_ISO:
                                case USB_PRODUCT_APPLE_WELLSPRING4A_ISO:
-                                       sc->sc_munge = ukbd_apple_iso_mba_munge;
+                                       kbd->sc_munge = 
hidkbd_apple_iso_mba_munge;
                                        break;
                                case USB_PRODUCT_APPLE_WELLSPRING_ANSI:
                                case USB_PRODUCT_APPLE_WELLSPRING_JIS:
@@ -276,10 +265,10 @@ ukbd_attach(struct device *parent, struc
                                case USB_PRODUCT_APPLE_WELLSPRING4_JIS:
                                case USB_PRODUCT_APPLE_WELLSPRING4A_ANSI:
                                case USB_PRODUCT_APPLE_WELLSPRING4A_JIS:
-                                       sc->sc_munge = ukbd_apple_mba_munge;
+                                       kbd->sc_munge = hidkbd_apple_mba_munge;
                                        break;
                                default:
-                                       sc->sc_munge = ukbd_apple_munge;
+                                       kbd->sc_munge = hidkbd_apple_munge;
                                        break;
                                }
                        }
@@ -315,7 +304,7 @@ ukbd_attach(struct device *parent, struc
 #ifdef __loongson__
        if (uha->uaa->vendor == USB_VENDOR_CYPRESS &&
            uha->uaa->product == USB_PRODUCT_CYPRESS_LPRDK)
-               sc->sc_munge = ukbd_gdium_munge;
+               sc->sc_munge = hidkbd_gdium_munge;
 #endif
 
        if (kbd->sc_console_keyboard) {
@@ -362,11 +351,8 @@ ukbd_intr(struct uhidev *addr, void *ibu
        struct ukbd_softc *sc = (struct ukbd_softc *)addr;
        struct hidkbd *kbd = &sc->sc_kbd;
 
-       if (kbd->sc_enabled != 0) {
-               if (sc->sc_munge != NULL)
-                       (*sc->sc_munge)(sc, (uint8_t *)ibuf, len);
+       if (kbd->sc_enabled != 0)
                hidkbd_input(kbd, (uint8_t *)ibuf, len);
-       }
 }
 
 int
@@ -514,204 +500,3 @@ ukbd_cnattach(void)
 
        return (0);
 }
-
-uint8_t
-ukbd_translate(const struct ukbd_translation *table, size_t tsize,
-    uint8_t keycode)
-{
-       for (; tsize != 0; table++, tsize--)
-               if (table->original == keycode)
-                       return table->translation;
-       return 0;
-}
-
-void
-ukbd_apple_translate(void *vsc, uint8_t *ibuf, u_int ilen,
-    const struct ukbd_translation* trans, u_int tlen)
-{
-       struct ukbd_softc *sc = vsc;
-       struct hidkbd *kbd = &sc->sc_kbd;
-       uint8_t *pos, *spos, *epos, xlat;
-
-       spos = ibuf + kbd->sc_keycodeloc.pos / 8;
-       epos = spos + kbd->sc_nkeycode;
-
-       for (pos = spos; pos != epos; pos++) {
-               xlat = ukbd_translate(trans, tlen, *pos);
-               if (xlat != 0)
-                       *pos = xlat;
-       }
-}
-
-void
-ukbd_apple_munge(void *vsc, uint8_t *ibuf, u_int ilen)
-{
-       struct ukbd_softc *sc = vsc;
-
-       static const struct ukbd_translation apple_fn_trans[] = {
-               { 40, 73 },     /* return -> insert */
-               { 42, 76 },     /* backspace -> delete */
-#ifdef notyet
-               { 58, 0 },      /* F1 -> screen brightness down */
-               { 59, 0 },      /* F2 -> screen brightness up */
-               { 60, 0 },      /* F3 */
-               { 61, 0 },      /* F4 */
-               { 62, 0 },      /* F5 -> keyboard backlight down */
-               { 63, 0 },      /* F6 -> keyboard backlight up */
-               { 64, 0 },      /* F7 -> audio back */
-               { 65, 0 },      /* F8 -> audio pause/play */
-               { 66, 0 },      /* F9 -> audio next */
-#endif
-#ifdef __macppc__
-               { 58, 233 },    /* F1 -> screen brightness down */
-               { 59, 232 },    /* F2 -> screen brightness up */
-               { 60, 127 },    /* F3 -> audio mute */
-               { 61, 129 },    /* F4 -> audio lower */
-               { 62, 128 },    /* F5 -> audio raise */
-#else
-               { 67, 127 },    /* F10 -> audio mute */
-               { 68, 129 },    /* F11 -> audio lower */
-               { 69, 128 },    /* F12 -> audio raise */
-#endif
-               { 79, 77 },     /* right -> end */
-               { 80, 74 },     /* left -> home */
-               { 81, 78 },     /* down -> page down */
-               { 82, 75 }      /* up -> page up */
-       };
-
-       if (!hid_get_data(ibuf, ilen, &sc->sc_apple_fn))
-               return;
-
-       ukbd_apple_translate(vsc, ibuf, ilen, apple_fn_trans,
-           nitems(apple_fn_trans));
-}
-
-void
-ukbd_apple_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen)
-{
-       struct ukbd_softc *sc = vsc;
-
-       static const struct ukbd_translation apple_fn_trans[] = {
-               { 40, 73 },     /* return -> insert */
-               { 42, 76 },     /* backspace -> delete */
-#ifdef notyet
-               { 58, 0 },      /* F1 -> screen brightness down */
-               { 59, 0 },      /* F2 -> screen brightness up */
-               { 60, 0 },      /* F3 */
-               { 61, 0 },      /* F4 */
-               { 62, 0 },      /* F5 */
-               { 63, 0 },      /* F6 -> audio back */
-               { 64, 0 },      /* F7 -> audio pause/play */
-               { 65, 0 },      /* F8 -> audio next */
-#endif
-               { 66, 127 },    /* F9 -> audio mute */
-               { 67, 129 },    /* F10 -> audio lower */
-               { 68, 128 },    /* F11 -> audio raise */
-#ifdef notyet
-               { 69, 0 },      /* F12 -> eject */
-#endif
-               { 79, 77 },     /* right -> end */
-               { 80, 74 },     /* left -> home */
-               { 81, 78 },     /* down -> page down */
-               { 82, 75 }      /* up -> page up */
-       };
-
-       if (!hid_get_data(ibuf, ilen, &sc->sc_apple_fn))
-               return;
-
-       ukbd_apple_translate(vsc, ibuf, ilen, apple_fn_trans,
-           nitems(apple_fn_trans));
-}
-
-void
-ukbd_apple_iso_munge(void *vsc, uint8_t *ibuf, u_int ilen)
-{
-       static const struct ukbd_translation apple_iso_trans[] = {
-               { 53, 100 },    /* less -> grave */
-               { 100, 53 },
-       };
-
-       ukbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans,
-           nitems(apple_iso_trans));
-       ukbd_apple_munge(vsc, ibuf, ilen);
-}
-
-void
-ukbd_apple_iso_mba_munge(void *vsc, uint8_t *ibuf, u_int ilen)
-{
-       static const struct ukbd_translation apple_iso_trans[] = {
-               { 53, 100 },    /* less -> grave */
-               { 100, 53 },
-       };
-
-       ukbd_apple_translate(vsc, ibuf, ilen, apple_iso_trans,
-           nitems(apple_iso_trans));
-       ukbd_apple_mba_munge(vsc, ibuf, ilen);
-}
-
-#ifdef __loongson__
-/*
- * Software Fn- translation for Gdium Liberty keyboard.
- */
-#define        GDIUM_FN_CODE   0x82
-void
-ukbd_gdium_munge(void *vsc, uint8_t *ibuf, u_int ilen)
-{
-       struct ukbd_softc *sc = vsc;
-       struct hidkbd *kbd = &sc->sc_kbd;
-       uint8_t *pos, *spos, *epos, xlat;
-       int fn;
-
-       static const struct ukbd_translation gdium_fn_trans[] = {
-#ifdef notyet
-               { 58, 0 },      /* F1 -> toggle camera */
-               { 59, 0 },      /* F2 -> toggle wireless */
-#endif
-               { 60, 127 },    /* F3 -> audio mute */
-               { 61, 128 },    /* F4 -> audio raise */
-               { 62, 129 },    /* F5 -> audio lower */
-#ifdef notyet
-               { 63, 0 },      /* F6 -> toggle ext. video */
-               { 64, 0 },      /* F7 -> toggle mouse */
-               { 65, 0 },      /* F8 -> brightness up */
-               { 66, 0 },      /* F9 -> brightness down */
-               { 67, 0 },      /* F10 -> suspend */
-               { 68, 0 },      /* F11 -> user1 */
-               { 69, 0 },      /* F12 -> user2 */
-               { 70, 0 },      /* print screen -> sysrq */
-#endif
-               { 76, 71 },     /* delete -> scroll lock */
-               { 81, 78 },     /* down -> page down */
-               { 82, 75 }      /* up -> page up */
-       };
-
-       spos = ibuf + kbd->sc_keycodeloc.pos / 8;
-       epos = spos + kbd->sc_nkeycode;
-
-       /*
-        * Check for Fn key being down and remove it from the report.
-        */
-
-       fn = 0;
-       for (pos = spos; pos != epos; pos++)
-               if (*pos == GDIUM_FN_CODE) {
-                       fn = 1;
-                       *pos = 0;
-                       break;
-               }
-
-       /*
-        * Rewrite keycodes on the fly to perform Fn-key translation.
-        * Keycodes without a translation are passed unaffected.
-        */
-
-       if (fn != 0)
-               for (pos = spos; pos != epos; pos++) {
-                       xlat = ukbd_translate(gdium_fn_trans,
-                           nitems(gdium_fn_trans), *pos);
-                       if (xlat != 0)
-                               *pos = xlat;
-               }
-
-}
-#endif

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