/* $NetBSD: j720tp.c,v 1.11 2014/02/25 18:30:08 pooka Exp $ */ /*- * Copyright (c) 2006 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by IWAMOTO Toshihiro and Peter Postma. * * 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. */ /* Jornada 720 touch-panel driver. */ #include __KERNEL_RCSID(0, "$NetBSD: j720tp.c,v 1.11 2014/02/25 18:30:08 pooka Exp $"); #ifdef _KERNEL_OPT #include "opt_j720tp.h" #include "opt_wsdisplay_compat.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef WSDISPLAY_COMPAT_RAWKBD #include #endif #define arraysize(ary) (sizeof(ary) / sizeof(ary[0])) #ifdef J720TP_DEBUG int j720tp_debug = 0; #define DPRINTF(arg) if (j720tp_debug) aprint_normal arg #define DPRINTFN(n, arg) if (j720tp_debug >= (n)) aprint_normal arg #else #define DPRINTF(arg) /* nothing */ #define DPRINTFN(n, arg) /* nothing */ #endif struct j720tp_softc { device_t sc_dev; #define J720TP_WSMOUSE_ENABLED 0x01 #define J720TP_WSKBD_ENABLED 0x02 int sc_enabled; int sc_hard_icon; #ifdef WSDISPLAY_COMPAT_RAWKBD int sc_rawkbd; #endif struct callout sc_tpcallout; struct j720ssp_softc *sc_ssp; device_t sc_wsmousedev; device_t sc_wskbddev; struct tpcalib_softc sc_tpcalib; }; static int j720tp_match(device_t, cfdata_t, void *); static void j720tp_attach(device_t, device_t, void *); static int j720tp_wsmouse_enable(void *); static int j720tp_wsmouse_ioctl(void *, u_long, void *, int, struct lwp *); static void j720tp_wsmouse_disable(void *); static int j720tp_wskbd_enable(void *, int); static void j720tp_wskbd_set_leds(void *, int); static int j720tp_wskbd_ioctl(void *, u_long, void *, int, struct lwp *); static void j720tp_enable_intr(struct j720tp_softc *); static void j720tp_disable_intr(struct j720tp_softc *); static int j720tp_intr(void *); static int j720tp_get_rawxy(struct j720tp_softc *, int *, int *); static int j720tp_get_hard_icon(struct j720tp_softc *, int, int); static void j720tp_wsmouse_input(struct j720tp_softc *, int, int); static void j720tp_wsmouse_callout(void *); static void j720tp_wskbd_input(struct j720tp_softc *, u_int); static void j720tp_wskbd_callout(void *); const struct wsmouse_accessops j720tp_wsmouse_accessops = { j720tp_wsmouse_enable, j720tp_wsmouse_ioctl, j720tp_wsmouse_disable }; static const struct wsmouse_calibcoords j720tp_default_calib = { 0, 0, 639, 239, 4, {{ 988, 80, 0, 0 }, { 88, 84, 639, 0 }, { 988, 927, 0, 239 }, { 88, 940, 639, 239 }} }; const struct wskbd_accessops j720tp_wskbd_accessops = { j720tp_wskbd_enable, j720tp_wskbd_set_leds, j720tp_wskbd_ioctl }; #ifndef J720TP_SETTINGS_ICON_KEYSYM #define J720TP_SETTINGS_ICON_KEYSYM KS_Home #endif #ifndef J720TP_BACKUP_ICON_KEYSYM #define J720TP_BACKUP_ICON_KEYSYM KS_Prior #endif #ifndef J720TP_DIALUP_ICON_KEYSYM #define J720TP_DIALUP_ICON_KEYSYM KS_Next #endif #ifndef J720TP_MEDIA_ICON_KEYSYM #define J720TP_MEDIA_ICON_KEYSYM KS_End #endif /* Max Y value of the n'th hard icon. */ #define J720TP_HARD_ICON_MAX_Y(n) \ (((j720tp_hard_icon_bottom - j720tp_hard_icon_top) / 4) * (n)) + \ j720tp_hard_icon_top /* Default raw X/Y values of the hard icon area. */ static int j720tp_hard_icon_left = 70; static int j720tp_hard_icon_right = 20; static int j720tp_hard_icon_top = 70; static int j720tp_hard_icon_bottom = 940; /* Maps the icon number to a raw keycode. */ static const int j720tp_wskbd_keys[] = { /* Icon 1 */ 199, /* Icon 2 */ 201, /* Icon 3 */ 209, /* Icon 4 */ 207 }; static const keysym_t j720tp_wskbd_keydesc[] = { KS_KEYCODE(199), J720TP_SETTINGS_ICON_KEYSYM, KS_KEYCODE(201), J720TP_BACKUP_ICON_KEYSYM, KS_KEYCODE(209), J720TP_DIALUP_ICON_KEYSYM, KS_KEYCODE(207), J720TP_MEDIA_ICON_KEYSYM }; const struct wscons_keydesc j720tp_wskbd_keydesctab[] = { { KB_US, 0, sizeof(j720tp_wskbd_keydesc) / sizeof(keysym_t), j720tp_wskbd_keydesc }, { 0, 0, 0, 0 } }; const struct wskbd_mapdata j720tp_wskbd_keymapdata = { j720tp_wskbd_keydesctab, KB_US }; CFATTACH_DECL_NEW(j720tp, sizeof(struct j720tp_softc), j720tp_match, j720tp_attach, NULL, NULL); static int j720tp_match(device_t parent, cfdata_t cf, void *aux) { if (!platid_match(&platid, &platid_mask_MACH_HP_JORNADA_7XX)) return 0; if (strcmp(cf->cf_name, "j720tp") != 0) return 0; return 1; } static void j720tp_attach(device_t parent, device_t self, void *aux) { struct j720tp_softc *sc = device_private(self); struct wsmousedev_attach_args wsma; struct wskbddev_attach_args wska; aprint_normal("\n"); sc->sc_dev = self; sc->sc_ssp = device_private(parent); sc->sc_enabled = 0; sc->sc_hard_icon = 0; sc->sc_rawkbd = 0; /* Touch-panel as a pointing device. */ wsma.accessops = &j720tp_wsmouse_accessops; wsma.accesscookie = sc; sc->sc_wsmousedev = config_found_ia(self, "wsmousedev", &wsma, wsmousedevprint); if (sc->sc_wsmousedev == NULL) return; /* Initialize calibration, set default parameters. */ tpcalib_init(&sc->sc_tpcalib); tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS, __UNCONST(&j720tp_default_calib), 0, 0); callout_init(&sc->sc_tpcallout, 0); j720tp_wsmouse_disable(sc); /* On-screen "hard icons" as a keyboard device. */ wska.console = 0; wska.keymap = &j720tp_wskbd_keymapdata; wska.accessops = &j720tp_wskbd_accessops; wska.accesscookie = sc; sc->sc_wskbddev = config_found_ia(self, "wskbddev", &wska, wskbddevprint); /* Setup touch-panel interrupt. */ sa11x0_intr_establish(0, 9, 1, IPL_TTY, j720tp_intr, sc); } static int j720tp_wsmouse_enable(void *self) { struct j720tp_softc *sc = self; int s; s = spltty(); j720tp_enable_intr(sc); sc->sc_enabled |= J720TP_WSMOUSE_ENABLED; splx(s); return 0; } static int j720tp_wsmouse_ioctl(void *self, u_long cmd, void *data, int flag, struct lwp *l) { struct j720tp_softc *sc = self; return hpc_tpanel_ioctl(&sc->sc_tpcalib, cmd, data, flag, l); } static void j720tp_wsmouse_disable(void *self) { struct j720tp_softc *sc = self; int s; s = spltty(); j720tp_disable_intr(sc); callout_stop(&sc->sc_tpcallout); sc->sc_enabled &= ~J720TP_WSMOUSE_ENABLED; splx(s); } static int j720tp_wskbd_enable(void *self, int on) { struct j720tp_softc *sc = self; int s; s = spltty(); sc->sc_enabled |= J720TP_WSKBD_ENABLED; splx(s); return 0; } static void j720tp_wskbd_set_leds(void *self, int leds) { /* nothing to do */ } static int j720tp_wskbd_ioctl(void *self, u_long cmd, void *data, int flag, struct lwp *l) { #ifdef WSDISPLAY_COMPAT_RAWKBD struct j720tp_softc *sc = self; #endif switch (cmd) { case WSKBDIO_GTYPE: *(int *)data = WSKBD_TYPE_HPC_BTN; return 0; case WSKBDIO_GETLEDS: *(int *)data = 0; return 0; #ifdef WSDISPLAY_COMPAT_RAWKBD case WSKBDIO_SETMODE: sc->sc_rawkbd = (*(int *)data == WSKBD_RAW); return 0; #endif } return EPASSTHROUGH; } /* * Enable touch-panel interrupt. Must be called at spltty(). */ static void j720tp_enable_intr(struct j720tp_softc *sc) { struct j720ssp_softc *ssp = sc->sc_ssp; uint32_t er; er = bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_FER); er |= 1 << 9; bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_FER, er); } /* * Disable touch-panel interrupt. Must be called at spltty(). */ static void j720tp_disable_intr(struct j720tp_softc *sc) { struct j720ssp_softc *ssp = sc->sc_ssp; uint32_t er; er = bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_FER); er &= ~(1 << 9); bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_FER, er); } static int j720tp_intr(void *arg) { struct j720tp_softc *sc = arg; struct j720ssp_softc *ssp = sc->sc_ssp; int rawx, rawy; bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_EDR, 1 << 9); if (!(sc->sc_enabled & J720TP_WSMOUSE_ENABLED)) { DPRINTF(("j720tp_intr: !sc_enabled\n")); return 0; } j720tp_disable_intr(sc); if (j720tp_get_rawxy(sc, &rawx, &rawy)) { sc->sc_hard_icon = j720tp_get_hard_icon(sc, rawx, rawy); if (sc->sc_hard_icon > 0) { j720tp_wskbd_input(sc, WSCONS_EVENT_KEY_DOWN); callout_reset(&sc->sc_tpcallout, hz / 32, j720tp_wskbd_callout, sc); } else { j720tp_wsmouse_input(sc, rawx, rawy); callout_reset(&sc->sc_tpcallout, hz / 32, j720tp_wsmouse_callout, sc); } } return 1; } static int j720tp_get_rawxy(struct j720tp_softc *sc, int *rawx, int *rawy) { struct j720ssp_softc *ssp = sc->sc_ssp; int buf[8], data, i; bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PCR, 0x2000000); /* Send read touch-panel command. */ if (j720ssp_readwrite(ssp, 1, 0xa0, &data, 100) < 0 || data != 0x11) { DPRINTF(("j720tp_get_rawxy: no dummy received\n")); goto out; } for (i = 0; i < 8; i++) { if (j720ssp_readwrite(ssp, 0, 0x11, &data, 100) < 0) goto out; buf[i] = data; } bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PSR, 0x2000000); buf[6] <<= 8; buf[7] <<= 8; for (i = 0; i < 3; i++) { buf[i] |= buf[6] & 0x300; buf[6] >>= 2; buf[i + 3] |= buf[7] & 0x300; buf[7] >>= 2; } DPRINTFN(2, ("j720tp_get_rawxy: %d:%d:%d:%d:%d:%d:%d:%d\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7])); *rawx = buf[1]; *rawy = buf[4]; return 1; out: bus_space_write_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PSR, 0x2000000); /* reset SSP */ bus_space_write_4(ssp->sc_iot, ssp->sc_ssph, SASSP_CR0, 0x307); delay(100); bus_space_write_4(ssp->sc_iot, ssp->sc_ssph, SASSP_CR0, 0x387); DPRINTF(("j720tp_get_rawxy: error %x\n", data)); return 0; } static int j720tp_get_hard_icon(struct j720tp_softc *sc, int rawx, int rawy) { int icon = 0; if (!(sc->sc_enabled & J720TP_WSKBD_ENABLED)) return 0; /* Check if the touch was in the hard icons area. */ if (rawx > j720tp_hard_icon_left) return 0; if (rawy < J720TP_HARD_ICON_MAX_Y(1)) icon = 1; else if (rawy < J720TP_HARD_ICON_MAX_Y(2)) icon = 2; else if (rawy < J720TP_HARD_ICON_MAX_Y(3)) icon = 3; else if (rawy < J720TP_HARD_ICON_MAX_Y(4)) icon = 4; return icon; } static void j720tp_wsmouse_input(struct j720tp_softc *sc, int rawx, int rawy) { int x, y; tpcalib_trans(&sc->sc_tpcalib, rawx, rawy, &x, &y); wsmouse_input(sc->sc_wsmousedev, 1, x, y, 0, 0, WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y); } static void j720tp_wsmouse_callout(void *arg) { struct j720tp_softc *sc = arg; struct j720ssp_softc *ssp = sc->sc_ssp; int rawx, rawy, s; s = spltty(); if (!(sc->sc_enabled & J720TP_WSMOUSE_ENABLED)) { DPRINTF(("j720tp_wsmouse_callout: !sc_enabled\n")); splx(s); return; } if (bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR) & (1<<9)) { wsmouse_input(sc->sc_wsmousedev, 0, 0, 0, 0, 0, 0); j720tp_enable_intr(sc); } else { if (j720tp_get_rawxy(sc, &rawx, &rawy)) j720tp_wsmouse_input(sc, rawx, rawy); callout_schedule(&sc->sc_tpcallout, hz / 32); } splx(s); } static void j720tp_wskbd_input(struct j720tp_softc *sc, u_int evtype) { int key = j720tp_wskbd_keys[sc->sc_hard_icon - 1]; #ifdef WSDISPLAY_COMPAT_RAWKBD if (sc->sc_rawkbd) { int n; u_char data[16]; n = pckbd_encode(evtype, key, data); wskbd_rawinput(sc->sc_wskbddev, data, n); } else #endif wskbd_input(sc->sc_wskbddev, evtype, key); } static void j720tp_wskbd_callout(void *arg) { struct j720tp_softc *sc = arg; struct j720ssp_softc *ssp = sc->sc_ssp; int s; s = spltty(); if (!sc->sc_enabled) { DPRINTF(("j720tp_wskbd_callout: !sc_enabled\n")); splx(s); return; } if (bus_space_read_4(ssp->sc_iot, ssp->sc_gpioh, SAGPIO_PLR) & (1<<9)) { j720tp_wskbd_input(sc, WSCONS_EVENT_KEY_UP); j720tp_enable_intr(sc); } else { callout_schedule(&sc->sc_tpcallout, hz / 32); } splx(s); } SYSCTL_SETUP(sysctl_j720tp, "sysctl j720tp subtree setup") { const struct sysctlnode *rnode; int rc; if ((rc = sysctl_createv(clog, 0, NULL, &rnode, CTLFLAG_PERMANENT, CTLTYPE_NODE, "j720tp", SYSCTL_DESCR("Jornada 720 touch panel controls"), NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) goto err; #ifdef J720TP_DEBUG if ((rc = sysctl_createv(clog, 0, &rnode, NULL, CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, "debug", SYSCTL_DESCR("Verbosity of debugging messages"), NULL, 0, &j720tp_debug, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; #endif /* J720TP_DEBUG */ if ((rc = sysctl_createv(clog, 0, &rnode, &rnode, CTLFLAG_PERMANENT, CTLTYPE_NODE, "hard_icons", SYSCTL_DESCR("Touch panel hard icons controls"), NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; if ((rc = sysctl_createv(clog, 0, &rnode, NULL, CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, "left", SYSCTL_DESCR("Raw left X value of the hard icon area"), NULL, 0, &j720tp_hard_icon_left, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; if ((rc = sysctl_createv(clog, 0, &rnode, NULL, CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, "right", SYSCTL_DESCR("Raw right X value of the hard icon area"), NULL, 0, &j720tp_hard_icon_right, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; if ((rc = sysctl_createv(clog, 0, &rnode, NULL, CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, "top", SYSCTL_DESCR("Raw top Y value of the hard icon area"), NULL, 0, &j720tp_hard_icon_top, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; if ((rc = sysctl_createv(clog, 0, &rnode, NULL, CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, "bottom", SYSCTL_DESCR("Raw bottom Y value of the hard icon area"), NULL, 0, &j720tp_hard_icon_bottom, 0, CTL_CREATE, CTL_EOL)) != 0) goto err; return; err: aprint_normal("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); }