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[src/trunk]: src/sys/dev/pckbport PR/52483: Ryo ONODERA: Add support for ALPS...



details:   https://anonhg.NetBSD.org/src/rev/a719fd2d8e66
branches:  trunk
changeset: 355765:a719fd2d8e66
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Aug 13 08:49:27 2017 +0000

description:
PR/52483: Ryo ONODERA: Add support for ALPS PS/2 pointing devices

diffstat:

 sys/dev/pckbport/alps.c         |  1091 +++++++++++++++++++++++++++++++++++++++
 sys/dev/pckbport/alpsreg.h      |    70 ++
 sys/dev/pckbport/alpsvar.h      |    50 +
 sys/dev/pckbport/files.pckbport |     4 +-
 sys/dev/pckbport/pms.c          |    27 +-
 sys/dev/pckbport/pmsvar.h       |    12 +-
 6 files changed, 1247 insertions(+), 7 deletions(-)

diffs (truncated from 1366 to 300 lines):

diff -r eb118799cad7 -r a719fd2d8e66 sys/dev/pckbport/alps.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/pckbport/alps.c   Sun Aug 13 08:49:27 2017 +0000
@@ -0,0 +1,1091 @@
+/* $NetBSD: alps.c,v 1.1 2017/08/13 08:49:27 christos Exp $ */
+
+/*-
+ * Copyright (c) 2017 Ryo ONODERA <ryo%tetera.org@localhost>
+ * Copyright (c) 2008 Jared D. McNeill <jmcneill%invisible.ca@localhost>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "opt_pms.h"
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: alps.c,v 1.1 2017/08/13 08:49:27 christos Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
+#include <sys/bus.h>
+#include <sys/bitops.h>
+
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wsmousevar.h>
+
+#include <dev/pckbport/pckbportvar.h>
+#include <dev/pckbport/pmsreg.h>
+#include <dev/pckbport/pmsvar.h>
+#include <dev/pckbport/alpsreg.h>
+#include <dev/pckbport/alpsvar.h>
+
+/* #define ALPS_DEBUG */
+
+static int alps_touchpad_xy_unprecision_nodenum;
+static int alps_trackstick_xy_precision_nodenum;
+
+static int alps_touchpad_xy_unprecision = 2;
+static int alps_trackstick_xy_precision = 1;
+
+static void pms_alps_input_v7(void *, int);
+static void pms_alps_input_v2(void *, int);
+
+static int
+pms_sysctl_alps_verify(SYSCTLFN_ARGS)
+{
+       int error, t;
+       struct sysctlnode node;
+
+       node = *rnode;
+       t = *(int *)rnode->sysctl_data;
+       node.sysctl_data = &t;
+       error = sysctl_lookup(SYSCTLFN_CALL(&node));
+       if (error || newp == NULL)
+               return error;
+
+       if (node.sysctl_num == alps_touchpad_xy_unprecision_nodenum ||
+               node.sysctl_num == alps_trackstick_xy_precision_nodenum) {
+               if (t < 0 || t > 7)
+                       return EINVAL;
+       } else
+               return EINVAL;
+
+       *(int *)rnode->sysctl_data = t;
+
+       return 0;
+
+}
+
+static void
+pms_sysctl_alps(struct sysctllog **clog)
+{
+       const struct sysctlnode *node;
+       int rc, root_num;
+
+       if ((rc = sysctl_createv(clog, 0, NULL, &node,
+               CTLFLAG_PERMANENT, CTLTYPE_NODE, "alps",
+               SYSCTL_DESCR("ALPS touchpad controls"),
+               NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0)
+               goto err;
+
+       root_num = node->sysctl_num;
+
+       if ((rc = sysctl_createv(clog, 0, NULL, &node,
+               CTLFLAG_PERMANENT | CTLFLAG_READWRITE,
+               CTLTYPE_INT, "touchpad_xy_precision_shift",
+               SYSCTL_DESCR("Touchpad X/Y-axis precision shift value"),
+               pms_sysctl_alps_verify, 0,
+               &alps_touchpad_xy_unprecision,
+               0, CTL_HW, root_num, CTL_CREATE,
+               CTL_EOL)) != 0)
+                       goto err;
+       alps_touchpad_xy_unprecision_nodenum = node->sysctl_num;
+
+       if ((rc = sysctl_createv(clog, 0, NULL, &node,
+               CTLFLAG_PERMANENT | CTLFLAG_READWRITE,
+               CTLTYPE_INT, "tackstick_xy_precision_shift",
+               SYSCTL_DESCR("Trackstick X/Y-axis precision value"),
+               pms_sysctl_alps_verify, 0,
+               &alps_trackstick_xy_precision,
+               0, CTL_HW, root_num, CTL_CREATE,
+               CTL_EOL)) != 0)
+                       goto err;
+       alps_trackstick_xy_precision_nodenum = node->sysctl_num;
+
+       return;
+
+err:
+       aprint_error("%s: sysctl_createv failed (rc = %d)\n",
+               __func__, rc);
+}
+
+/*
+ * Publish E6 report command and get E6 signature,
+ * then check the signature
+ */
+static int
+pms_alps_e6sig(struct pms_softc *psc, uint8_t *e6sig)
+{
+       uint8_t cmd[2];
+       int res;
+
+       e6sig[0] = 0;
+       cmd[0] = PMS_SET_RES; /* E8 */
+       cmd[1] = 0;
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 2, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE11; /* E6 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE11; /* E6 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE11; /* E6 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       e6sig[0] = e6sig[1] = e6sig[2] = 0;
+       /* Get E6 signature */
+       cmd[0] = PMS_GET_SCALE; /* E9 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 3, e6sig, 0)) != 0)
+               goto err;
+
+       /* ALPS input device returns 00-00-64 as E6 signature */
+       if (e6sig[0] != 0x00 || e6sig[1] != 0x00 ||
+               e6sig[2] != 0x64) {
+               return EINVAL;
+       }
+
+       aprint_debug_dev(psc->sc_dev,
+               "ALPS PS/2 E6 signature: 0x%X 0x%X 0x%X\n",
+               e6sig[0], e6sig[1], e6sig[2]);
+
+       return 0;
+err:
+       aprint_error_dev(psc->sc_dev, "Failed to get E6 signature.\n");
+       return res;
+}
+
+/*
+ * Publish E7 report command and get E7 signature
+ */
+static int
+pms_alps_e7sig(struct pms_softc *psc, uint8_t *e7sig)
+{
+       uint8_t cmd[2];
+       int res;
+
+       cmd[0] = PMS_SET_RES; /* E8 */
+       cmd[1] = 0;
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 2, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE21; /* E7 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE21; /* E7 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_SET_SCALE21; /* E7 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       e7sig[0] = e7sig[1] = e7sig[2] = 0;
+       cmd[0] = PMS_GET_SCALE; /* E9 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 3, e7sig, 0)) != 0)
+               goto err;
+
+       aprint_debug_dev(psc->sc_dev,
+               "ALPS PS/2 E7 signature: 0x%X 0x%X 0x%X\n",
+               e7sig[0], e7sig[1], e7sig[2]);
+
+       return 0;
+err:
+       aprint_error_dev(psc->sc_dev, "Failed to get E7 signature.\n");
+       return res;
+}
+
+/*
+ * Publish EC command and get EC signature
+ */
+static int
+pms_alps_ecsig(struct pms_softc *psc, uint8_t *ecsig)
+{
+       uint8_t cmd[2];
+       int res;
+
+       cmd[0] = PMS_SET_RES; /* E8 */
+       cmd[1] = 0;
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 2, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       ecsig[0] = ecsig[1] = ecsig[2] = 0;
+       cmd[0] = PMS_GET_SCALE; /* E9 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 3, ecsig, 0)) != 0)
+               goto err;
+
+       aprint_debug_dev(psc->sc_dev,
+               "ALPS PS/2 EC signature: 0x%X 0x%X 0x%X\n",
+               ecsig[0], ecsig[1], ecsig[2]);
+
+       return 0;
+
+err:
+       aprint_error_dev(psc->sc_dev, "Failed to get EC signature.\n");
+       return res;
+}
+
+/*
+ * Enter to command mode
+ */
+static int
+pms_alps_start_command_mode(struct pms_softc *psc)
+{
+       uint8_t cmd[1];
+       uint8_t resp[3];
+       int res;
+
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       cmd[0] = PMS_RESET_WRAP_MODE; /* EC */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 0, NULL, 0)) != 0)
+               goto err;
+       resp[0] = resp[1] = resp[2] = 0;
+       cmd[0] = PMS_GET_SCALE; /* E9 */
+       if ((res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot,
+           cmd, 1, 3, resp, 0)) != 0)
+               goto err;
+
+       aprint_debug_dev(psc->sc_dev, "ALPS Firmware ID: 0x%x 0x%X 0x%X\n",



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