[src/trunk]: src/sys/dev/pckbport Enable Synaptics multifinger capability (Ex...

[ryoon <ryoon%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/05ad12b10a2e
branches:  trunk
changeset: 319558:05ad12b10a2e
user:      ryoon <ryoon%NetBSD.org@localhost>
date:      Sun Jun 03 07:24:18 2018 +0000

description:
Enable Synaptics multifinger capability (Extended W mode)

Magic parameters are taken from
  https://github.com/RehabMan/OS-X-Voodoo-PS2-Controller/.
Tested on HP ProBook 4630s, Lenovo E530, VAIO Pro 11 and HP Spectre x360 ae.

diffstat:

 sys/dev/pckbport/synaptics.c |  49 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 47 insertions(+), 2 deletions(-)

diffs (77 lines):

diff -r f5021d4ac68b -r 05ad12b10a2e sys/dev/pckbport/synaptics.c
--- a/sys/dev/pckbport/synaptics.c      Sun Jun 03 05:55:08 2018 +0000
+++ b/sys/dev/pckbport/synaptics.c      Sun Jun 03 07:24:18 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: synaptics.c,v 1.38 2018/05/30 13:20:39 ryoon Exp $     */
+/*     $NetBSD: synaptics.c,v 1.39 2018/06/03 07:24:18 ryoon Exp $     */
 
 /*
  * Copyright (c) 2005, Steve C. Woodford
@@ -48,7 +48,7 @@
 #include "opt_pms.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: synaptics.c,v 1.38 2018/05/30 13:20:39 ryoon Exp $");
+__KERNEL_RCSID(0, "$NetBSD: synaptics.c,v 1.39 2018/06/03 07:24:18 ryoon Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -433,6 +433,7 @@
        struct synaptics_softc *sc = &psc->u.synaptics;
        u_char enable_modes;
        int res;
+       u_char cmd[1], resp[3];
 
        if (sc->flags & SYN_FLAG_HAS_PASSTHROUGH) {
                /*
@@ -474,6 +475,50 @@
        for (int i = 0; i < 2; i++)
                synaptics_poll_cmd(psc, PMS_SET_SCALE11, 0);
 
+       /*
+        * Enable multi-finger capability in cold boot case with
+        * undocumented dequence.
+        * Parameters from
+        * https://github.com/RehabMan/OS-X-Voodoo-PS2-Controller/
+        * VoodooPS2Trackpad/VoodooPS2SynapticsTouchPad.cpp
+        * setTouchPadModeByte function.
+        */
+       if (sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) {
+               cmd[0] = 0xe6;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xe8;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0x00;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xe8;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0x00;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xe8;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0x00;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xe8;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0x03;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xf3;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+               cmd[0] = 0xc8;
+               (void)pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+                   cmd, 1, 3, resp, 0);
+       }
+
        synaptics_poll_cmd(psc, PMS_DEV_ENABLE, 0);
 
        sc->up_down = 0;