/* $OpenBSD: ubcmtp.c,v 1.9 2015/06/17 20:39:47 jcs Exp $ */ /* * Copyright (c) 2013-2014, joshua stein * 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. * 3. The name of the copyright holder may not be used to endorse or * promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``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 COPYRIGHT OWNER 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. */ /* * Apple USB multitouch trackpad (Broadcom BCM5974) driver * * Protocol info/magic from bcm5974 Linux driver by Henrik Rydberg, et al. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* #define UBCMTP_DEBUG */ #ifdef UBCMTP_DEBUG #define DPRINTF(x...) do { printf(x); } while (0); #else #define DPRINTF(x...) #endif /* magic to switch device from HID (default) mode into raw */ #define UBCMTP_WELLSPRING_MODE_RAW 0x01 #define UBCMTP_WELLSPRING_MODE_HID 0x08 #define UBCMTP_WELLSPRING_MODE_LEN 8 struct ubcmtp_button { uint8_t unused; uint8_t button; uint8_t rel_x; uint8_t rel_y; }; struct ubcmtp_finger { uint16_t origin; uint16_t abs_x; uint16_t abs_y; uint16_t rel_x; uint16_t rel_y; uint16_t tool_major; uint16_t tool_minor; uint16_t orientation; uint16_t touch_major; uint16_t touch_minor; uint16_t unused[3]; uint16_t multi; } __packed __attribute((aligned(2))); #define UBCMTP_MAX_FINGERS 16 #define UBCMTP_ALL_FINGER_SIZE (UBCMTP_MAX_FINGERS * sizeof(struct ubcmtp_finger)) #define UBCMTP_TYPE1 1 #define UBCMTP_TYPE1_TPOFF (13 * sizeof(uint16_t)) #define UBCMTP_TYPE1_TPLEN UBCMTP_TYPE1_TPOFF + UBCMTP_ALL_FINGER_SIZE #define UBCMTP_TYPE1_TPIFACE 1 #define UBCMTP_TYPE1_BTIFACE 2 #define UBCMTP_TYPE2 2 #define UBCMTP_TYPE2_TPOFF (15 * sizeof(uint16_t)) #define UBCMTP_TYPE2_TPLEN UBCMTP_TYPE2_TPOFF + UBCMTP_ALL_FINGER_SIZE #define UBCMTP_TYPE2_TPIFACE 1 #define UBCMTP_TYPE2_BTOFF 15 #define UBCMTP_TYPE3 3 #define UBCMTP_TYPE3_TPOFF (19 * sizeof(uint16_t)) #define UBCMTP_TYPE3_TPLEN UBCMTP_TYPE3_TPOFF + UBCMTP_ALL_FINGER_SIZE #define UBCMTP_TYPE3_TPIFACE 2 #define UBCMTP_TYPE3_BTOFF 23 #define UBCMTP_FINGER_ORIENT 16384 #define UBCMTP_SN_PRESSURE 45 #define UBCMTP_SN_WIDTH 25 #define UBCMTP_SN_COORD 250 #define UBCMTP_SN_ORIENT 10 struct ubcmtp_limit { int limit; int min; int max; }; struct ubcmtp_dev { int vendor; /* vendor */ int ansi, iso, jis; /* 3 types of product */ int type; /* 1 (normal) or 2 (integrated btn) */ struct ubcmtp_limit l_pressure; /* finger pressure */ struct ubcmtp_limit l_width; /* finger width */ struct ubcmtp_limit l_x; struct ubcmtp_limit l_y; struct ubcmtp_limit l_orientation; }; static struct ubcmtp_dev ubcmtp_devices[] = { /* type 1 devices with separate buttons */ { USB_VENDOR_APPLE, /* MacbookAir */ USB_PRODUCT_APPLE_WELLSPRING_ANSI, USB_PRODUCT_APPLE_WELLSPRING_ISO, USB_PRODUCT_APPLE_WELLSPRING_JIS, UBCMTP_TYPE1, { UBCMTP_SN_PRESSURE, 0, 256 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4824, 5342 }, { UBCMTP_SN_COORD, -172, 5820 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookProPenryn */ USB_PRODUCT_APPLE_WELLSPRING2_ANSI, USB_PRODUCT_APPLE_WELLSPRING2_ISO, USB_PRODUCT_APPLE_WELLSPRING2_JIS, UBCMTP_TYPE1, { UBCMTP_SN_PRESSURE, 0, 256 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4824, 4824 }, { UBCMTP_SN_COORD, -172, 4290 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, /* type 2 devices with integrated buttons */ { USB_VENDOR_APPLE, /* Macbook5,1 */ USB_PRODUCT_APPLE_WELLSPRING3_ANSI, USB_PRODUCT_APPLE_WELLSPRING3_ISO, USB_PRODUCT_APPLE_WELLSPRING3_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4460, 5166 }, { UBCMTP_SN_COORD, -75, 6700 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookAir3,1 */ USB_PRODUCT_APPLE_WELLSPRING4A_ANSI, USB_PRODUCT_APPLE_WELLSPRING4A_ISO, USB_PRODUCT_APPLE_WELLSPRING4A_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4616, 5112 }, { UBCMTP_SN_COORD, -142, 5234 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookAir3,2 */ USB_PRODUCT_APPLE_WELLSPRING4_ANSI, USB_PRODUCT_APPLE_WELLSPRING4_ISO, USB_PRODUCT_APPLE_WELLSPRING4_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4620, 5140 }, { UBCMTP_SN_COORD, -150, 6600 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* Macbook8 */ USB_PRODUCT_APPLE_WELLSPRING5_ANSI, USB_PRODUCT_APPLE_WELLSPRING5_ISO, USB_PRODUCT_APPLE_WELLSPRING5_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4415, 5050 }, { UBCMTP_SN_COORD, -55, 6680 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* Macbook8,2 */ USB_PRODUCT_APPLE_WELLSPRING5A_ANSI, USB_PRODUCT_APPLE_WELLSPRING5A_ISO, USB_PRODUCT_APPLE_WELLSPRING5A_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4750, 5280 }, { UBCMTP_SN_COORD, -150, 6730 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookAir4,2 */ USB_PRODUCT_APPLE_WELLSPRING6_ANSI, USB_PRODUCT_APPLE_WELLSPRING6_ISO, USB_PRODUCT_APPLE_WELLSPRING6_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4620, 5140 }, { UBCMTP_SN_COORD, -150, 6600 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookAir4,1 */ USB_PRODUCT_APPLE_WELLSPRING6A_ANSI, USB_PRODUCT_APPLE_WELLSPRING6A_ISO, USB_PRODUCT_APPLE_WELLSPRING6A_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4620, 5140 }, { UBCMTP_SN_COORD, -150, 6600 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookPro10,1 */ USB_PRODUCT_APPLE_WELLSPRING7_ANSI, USB_PRODUCT_APPLE_WELLSPRING7_ISO, USB_PRODUCT_APPLE_WELLSPRING7_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4750, 5280 }, { UBCMTP_SN_COORD, -150, 6730 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookPro10,2 */ USB_PRODUCT_APPLE_WELLSPRING7A_ANSI, USB_PRODUCT_APPLE_WELLSPRING7A_ISO, USB_PRODUCT_APPLE_WELLSPRING7A_JIS, UBCMTP_TYPE2, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4750, 5280 }, { UBCMTP_SN_COORD, -150, 6730 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, { USB_VENDOR_APPLE, /* MacbookAir6,1 */ USB_PRODUCT_APPLE_WELLSPRING8_ANSI, USB_PRODUCT_APPLE_WELLSPRING8_ISO, USB_PRODUCT_APPLE_WELLSPRING8_JIS, UBCMTP_TYPE3, { UBCMTP_SN_PRESSURE, 0, 300 }, { UBCMTP_SN_WIDTH, 0, 2048 }, { UBCMTP_SN_COORD, -4620, 5140 }, { UBCMTP_SN_COORD, -150, 6600 }, { UBCMTP_SN_ORIENT, -UBCMTP_FINGER_ORIENT, UBCMTP_FINGER_ORIENT }, }, }; /* coordinates for each tracked finger */ struct ubcmtp_pos { int down; int x; int y; int z; int w; int dx; int dy; }; struct ubcmtp_softc { struct device sc_dev; /* base device */ struct ubcmtp_dev *dev_type; struct uhidev sc_hdev; struct usbd_device *sc_udev; struct device *sc_wsmousedev; int wsmode; int tp_ifacenum; /* trackpad interface number */ struct usbd_interface *sc_tp_iface; /* trackpad interface */ struct usbd_pipe *sc_tp_pipe; /* trackpad pipe */ int sc_tp_epaddr; /* endpoint addr */ int tp_maxlen; /* max size of tp data */ int tp_offset; /* finger offset into data */ uint8_t *tp_pkt; int bt_ifacenum; /* button interface number */ struct usbd_interface *sc_bt_iface; /* button interface */ struct usbd_pipe *sc_bt_pipe; /* button pipe */ int sc_bt_epaddr; /* endpoint addr */ int bt_maxlen; /* max size of button data */ uint8_t *bt_pkt; uint32_t sc_status; #define UBCMTP_ENABLED 1 struct ubcmtp_pos pos[UBCMTP_MAX_FINGERS]; int btn; }; int ubcmtp_enable(void *); void ubcmtp_disable(void *); int ubcmtp_ioctl(void *, unsigned long, caddr_t, int, struct proc *); int ubcmtp_raw_mode(struct ubcmtp_softc *, int); int ubcmtp_setup_pipes(struct ubcmtp_softc *); void ubcmtp_bt_intr(struct usbd_xfer *, void *, usbd_status); void ubcmtp_tp_intr(struct usbd_xfer *, void *, usbd_status); int ubcmtp_match(struct device *, void *, void *); void ubcmtp_attach(struct device *, struct device *, void *); int ubcmtp_detach(struct device *, int); int ubcmtp_activate(struct device *, int); const struct wsmouse_accessops ubcmtp_accessops = { ubcmtp_enable, ubcmtp_ioctl, ubcmtp_disable, }; struct cfdriver ubcmtp_cd = { NULL, "ubcmtp", DV_DULL }; const struct cfattach ubcmtp_ca = { sizeof(struct ubcmtp_softc), ubcmtp_match, ubcmtp_attach, ubcmtp_detach, ubcmtp_activate, }; int ubcmtp_match(struct device *parent, void *match, void *aux) { struct usb_attach_arg *uaa = aux; usb_interface_descriptor_t *id; int i; if (uaa->iface == NULL) return (UMATCH_NONE); for (i = 0; i < nitems(ubcmtp_devices); i++) { if (uaa->vendor == ubcmtp_devices[i].vendor && ( uaa->product == ubcmtp_devices[i].ansi || uaa->product == ubcmtp_devices[i].iso || uaa->product == ubcmtp_devices[i].jis)) { /* * The USB keyboard/mouse device will have one keyboard * HID and two mouse HIDs, though only one will have a * protocol of mouse -- we only want to take control of * that one. */ id = usbd_get_interface_descriptor(uaa->iface); if (id->bInterfaceProtocol == UIPROTO_BOOT_MOUSE) return (UMATCH_VENDOR_PRODUCT_CONF_IFACE); } } return (UMATCH_NONE); } void ubcmtp_attach(struct device *parent, struct device *self, void *aux) { struct ubcmtp_softc *sc = (struct ubcmtp_softc *)self; struct usb_attach_arg *uaa = aux; struct usbd_device *dev = uaa->device; struct wsmousedev_attach_args a; usb_device_descriptor_t *udd; int i; sc->sc_udev = uaa->device; sc->sc_status = 0; if ((udd = usbd_get_device_descriptor(dev)) == NULL) { printf("ubcmtp: failed getting device descriptor\n"); return; } for (i = 0; i < nitems(ubcmtp_devices); i++) { if (uaa->vendor == ubcmtp_devices[i].vendor && ( uaa->product == ubcmtp_devices[i].ansi || uaa->product == ubcmtp_devices[i].iso || uaa->product == ubcmtp_devices[i].jis)) { sc->dev_type = &ubcmtp_devices[i]; DPRINTF("%s: attached to 0x%x/0x%x type %d\n", sc->sc_dev.dv_xname, uaa->vendor, uaa->product, sc->dev_type->type); break; } } if (sc->dev_type == NULL) { /* how did we match then? */ printf("%s: failed looking up device in table\n", sc->sc_dev.dv_xname); return; } switch (sc->dev_type->type) { case UBCMTP_TYPE1: sc->tp_maxlen = UBCMTP_TYPE1_TPLEN; sc->tp_offset = UBCMTP_TYPE1_TPOFF; sc->tp_ifacenum = UBCMTP_TYPE1_TPIFACE; /* button offsets */ sc->bt_maxlen = sizeof(struct ubcmtp_button); sc->bt_ifacenum = UBCMTP_TYPE1_BTIFACE; break; case UBCMTP_TYPE2: sc->tp_maxlen = UBCMTP_TYPE2_TPLEN; sc->tp_offset = UBCMTP_TYPE2_TPOFF; sc->tp_ifacenum = UBCMTP_TYPE2_TPIFACE; break; case UBCMTP_TYPE3: sc->tp_maxlen = UBCMTP_TYPE3_TPLEN; sc->tp_offset = UBCMTP_TYPE3_TPOFF; sc->tp_ifacenum = UBCMTP_TYPE3_TPIFACE; break; } a.accessops = &ubcmtp_accessops; a.accesscookie = sc; sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); } int ubcmtp_detach(struct device *self, int flags) { struct ubcmtp_softc *sc = (struct ubcmtp_softc *)self; int ret = 0; if (sc->sc_wsmousedev != NULL) ret = config_detach(sc->sc_wsmousedev, flags); return (ret); } int ubcmtp_activate(struct device *self, int act) { struct ubcmtp_softc *sc = (struct ubcmtp_softc *)self; int ret; if (act == DVACT_DEACTIVATE) { ret = 0; if (sc->sc_wsmousedev != NULL) ret = config_deactivate(sc->sc_wsmousedev); usbd_deactivate(sc->sc_udev); return (ret); } return (EOPNOTSUPP); } int ubcmtp_enable(void *v) { struct ubcmtp_softc *sc = v; if (sc->sc_status & UBCMTP_ENABLED) return (EBUSY); if (usbd_is_dying(sc->sc_udev)) return (EIO); if (ubcmtp_raw_mode(sc, 1) != 0) { printf("%s: failed to enter raw mode\n", sc->sc_dev.dv_xname); return (1); } if (ubcmtp_setup_pipes(sc) == 0) { sc->sc_status |= UBCMTP_ENABLED; return (0); } else return (1); } void ubcmtp_disable(void *v) { struct ubcmtp_softc *sc = v; if (usbd_is_dying(sc->sc_udev) || !(sc->sc_status & UBCMTP_ENABLED)) return; sc->sc_status &= ~UBCMTP_ENABLED; ubcmtp_raw_mode(sc, 0); if (sc->sc_tp_pipe != NULL) { usbd_abort_pipe(sc->sc_tp_pipe); usbd_close_pipe(sc->sc_tp_pipe); sc->sc_tp_pipe = NULL; } if (sc->sc_bt_pipe != NULL) { usbd_abort_pipe(sc->sc_bt_pipe); usbd_close_pipe(sc->sc_bt_pipe); sc->sc_bt_pipe = NULL; } if (sc->tp_pkt != NULL) { free(sc->tp_pkt, M_USBDEV, 0); sc->tp_pkt = NULL; } if (sc->bt_pkt != NULL) { free(sc->bt_pkt, M_USBDEV, 0); sc->bt_pkt = NULL; } } int ubcmtp_ioctl(void *v, unsigned long cmd, caddr_t data, int flag, struct proc *p) { struct ubcmtp_softc *sc = v; struct wsmouse_calibcoords *wsmc = (struct wsmouse_calibcoords *)data; int wsmode; DPRINTF("%s: in %s with cmd 0x%lx\n", sc->sc_dev.dv_xname, __func__, cmd); switch (cmd) { case WSMOUSEIO_GTYPE: /* so we can specify our own finger/w values to the * xf86-input-synaptics driver like pms(4) */ *(u_int *)data = WSMOUSE_TYPE_ELANTECH; break; case WSMOUSEIO_GCALIBCOORDS: wsmc->minx = sc->dev_type->l_x.min; wsmc->maxx = sc->dev_type->l_x.max; wsmc->miny = sc->dev_type->l_y.min; wsmc->maxy = sc->dev_type->l_y.max; wsmc->swapxy = 0; wsmc->resx = 0; wsmc->resy = 0; break; case WSMOUSEIO_SETMODE: wsmode = *(u_int *)data; if (wsmode != WSMOUSE_COMPAT && wsmode != WSMOUSE_NATIVE) { printf("%s: invalid mode %d\n", sc->sc_dev.dv_xname, wsmode); return (EINVAL); } DPRINTF("%s: changing mode to %s\n", sc->sc_dev.dv_xname, (wsmode == WSMOUSE_COMPAT ? "compat" : "native")); sc->wsmode = wsmode; break; default: return (-1); } return (0); } int ubcmtp_raw_mode(struct ubcmtp_softc *sc, int enable) { usb_device_request_t r; usbd_status err; uint8_t buf[8]; /* type 3 has no raw mode */ if (sc->dev_type->type >= UBCMTP_TYPE3) return (0); r.bRequest = UR_GET_REPORT; r.bmRequestType = UT_READ_CLASS_INTERFACE; USETW2(r.wValue, UHID_FEATURE_REPORT, 0); USETW(r.wIndex, 0); USETW(r.wLength, UBCMTP_WELLSPRING_MODE_LEN); err = usbd_do_request(sc->sc_udev, &r, buf); if (err != USBD_NORMAL_COMPLETION) { printf("%s: %s: failed to get feature report\n", sc->sc_dev.dv_xname, __func__); return (err); } /* toggle first byte and write everything back */ buf[0] = (enable ? UBCMTP_WELLSPRING_MODE_RAW : UBCMTP_WELLSPRING_MODE_HID); r.bRequest = UR_SET_REPORT; r.bmRequestType = UT_WRITE_CLASS_INTERFACE; USETW2(r.wValue, UHID_FEATURE_REPORT, 0); USETW(r.wIndex, 0); USETW(r.wLength, UBCMTP_WELLSPRING_MODE_LEN); err = usbd_do_request(sc->sc_udev, &r, buf); if (err != USBD_NORMAL_COMPLETION) { printf("%s: %s: failed to toggle raw mode\n", sc->sc_dev.dv_xname, __func__); return (err); } return (0); } int ubcmtp_setup_pipes(struct ubcmtp_softc *sc) { usbd_status err; usb_endpoint_descriptor_t *ed; if (sc->dev_type->type == UBCMTP_TYPE1) { /* setup physical button pipe */ if ((err = usbd_device2interface_handle(sc->sc_udev, sc->bt_ifacenum, &sc->sc_bt_iface)) != 0) { printf("%s: failed getting button interface\n", sc->sc_dev.dv_xname); goto fail1; } ed = usbd_interface2endpoint_descriptor(sc->sc_bt_iface, 0); if (ed == NULL) { printf("%s: failed getting button endpoint descriptor\n", sc->sc_dev.dv_xname); goto fail1; } sc->sc_bt_epaddr = ed->bEndpointAddress; sc->bt_pkt = malloc(sc->bt_maxlen, M_USBDEV, M_WAITOK); if (sc->bt_pkt == NULL) goto fail1; DPRINTF("%s: button iface at 0x%x, max size %d\n", sc->sc_dev.dv_xname, sc->sc_bt_epaddr, sc->bt_maxlen); err = usbd_open_pipe_intr(sc->sc_bt_iface, sc->sc_bt_epaddr, USBD_SHORT_XFER_OK, &sc->sc_bt_pipe, sc, sc->bt_pkt, sc->bt_maxlen, ubcmtp_bt_intr, USBD_DEFAULT_INTERVAL); if (err != USBD_NORMAL_COMPLETION) { printf("%s: failed opening button pipe\n", sc->sc_dev.dv_xname); goto fail1; } } /* setup trackpad data pipe */ if ((err = usbd_device2interface_handle(sc->sc_udev, sc->tp_ifacenum, &sc->sc_tp_iface)) != 0) { printf("%s: failed getting trackpad data interface\n", sc->sc_dev.dv_xname); goto fail2; } ed = usbd_interface2endpoint_descriptor(sc->sc_tp_iface, 0); if (ed == NULL) { printf("%s: failed getting trackpad data endpoint descriptor\n", sc->sc_dev.dv_xname); goto fail2; } sc->sc_tp_epaddr = ed->bEndpointAddress; sc->tp_pkt = malloc(sc->tp_maxlen, M_USBDEV, M_WAITOK); if (sc->tp_pkt == NULL) goto fail2; DPRINTF("%s: trackpad data iface at 0x%x, max size %d\n", sc->sc_dev.dv_xname, sc->sc_tp_epaddr, sc->tp_maxlen); err = usbd_open_pipe_intr(sc->sc_tp_iface, sc->sc_tp_epaddr, USBD_SHORT_XFER_OK, &sc->sc_tp_pipe, sc, sc->tp_pkt, sc->tp_maxlen, ubcmtp_tp_intr, USBD_DEFAULT_INTERVAL); if (err != USBD_NORMAL_COMPLETION) { printf("%s: error opening trackpad data pipe\n", sc->sc_dev.dv_xname); goto fail2; } return (0); fail2: if (sc->sc_tp_pipe != NULL) { usbd_abort_pipe(sc->sc_tp_pipe); usbd_close_pipe(sc->sc_tp_pipe); } if (sc->tp_pkt != NULL) free(sc->tp_pkt, M_USBDEV, 0); fail1: if (sc->sc_bt_pipe != NULL) { usbd_abort_pipe(sc->sc_bt_pipe); usbd_close_pipe(sc->sc_bt_pipe); } if (sc->bt_pkt != NULL) free(sc->bt_pkt, M_USBDEV, 0); return (1); } void ubcmtp_tp_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct ubcmtp_softc *sc = priv; struct ubcmtp_finger *pkt; u_int32_t pktlen; int i, diff = 0, finger = 0, fingers = 0, s, t; if (usbd_is_dying(sc->sc_udev) || !(sc->sc_status & UBCMTP_ENABLED)) return; if (status != USBD_NORMAL_COMPLETION) { DPRINTF("%s: %s with status 0x%x\n", sc->sc_dev.dv_xname, __func__, status); if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_tp_pipe); return; } usbd_get_xfer_status(xfer, NULL, NULL, &pktlen, NULL); if (sc->tp_pkt == NULL || pktlen < sc->tp_offset) return; pkt = (struct ubcmtp_finger *)(sc->tp_pkt + sc->tp_offset); fingers = (pktlen - sc->tp_offset) / sizeof(struct ubcmtp_finger); for (i = 0; i < fingers; i++) { if ((int16_t)letoh16(pkt[i].touch_major) == 0) { /* finger lifted */ sc->pos[i].down = 0; diff = 1; continue; } if (!sc->pos[finger].down) { sc->pos[finger].down = 1; diff = 1; } if ((t = (int16_t)letoh16(pkt[i].abs_x)) != sc->pos[finger].x) { sc->pos[finger].x = t; diff = 1; } if ((t = (int16_t)letoh16(pkt[i].abs_y)) != sc->pos[finger].y) { sc->pos[finger].y = t; diff = 1; } if ((t = (int16_t)letoh16(pkt[i].rel_x)) != sc->pos[finger].dx) { sc->pos[finger].dx = t; diff = 1; } if ((t = (int16_t)letoh16(pkt[i].rel_y)) != sc->pos[finger].dy) { sc->pos[finger].dy = t; diff = 1; } finger++; } if (sc->dev_type->type == UBCMTP_TYPE2 || sc->dev_type->type == UBCMTP_TYPE3) { if (sc->dev_type->type == UBCMTP_TYPE2) t = !!((int16_t)letoh16(sc->tp_pkt[UBCMTP_TYPE2_BTOFF])); else if (sc->dev_type->type == UBCMTP_TYPE3) t = !!((int16_t)letoh16(sc->tp_pkt[UBCMTP_TYPE3_BTOFF])); if (sc->btn != t) { sc->btn = t; diff = 1; DPRINTF("%s: [button]\n", sc->sc_dev.dv_xname); } } if (diff) { s = spltty(); DPRINTF("%s: ", sc->sc_dev.dv_xname); if (sc->wsmode == WSMOUSE_NATIVE) { DPRINTF("absolute input %d, %d (finger %d, button %d)\n", sc->pos[0].x, sc->pos[0].y, finger, sc->btn); wsmouse_input(sc->sc_wsmousedev, sc->btn, sc->pos[0].x, sc->pos[0].y, (finger == 0 ? 0 : 50), /* fake z for now */ finger, WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y | WSMOUSE_INPUT_ABSOLUTE_Z | WSMOUSE_INPUT_ABSOLUTE_W); } else { DPRINTF("relative input %d, %d (button %d)\n", sc->pos[0].dx, sc->pos[0].dy, sc->btn); wsmouse_input(sc->sc_wsmousedev, sc->btn, sc->pos[0].dx, sc->pos[0].dy, 0, 0, WSMOUSE_INPUT_DELTA); } splx(s); } } /* hardware button interrupt */ void ubcmtp_bt_intr(struct usbd_xfer *xfer, void *priv, usbd_status status) { struct ubcmtp_softc *sc = priv; struct ubcmtp_button *pkt; u_int32_t len; if (usbd_is_dying(sc->sc_udev) || !(sc->sc_status & UBCMTP_ENABLED)) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_tp_pipe); return; } usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); if (sc->bt_pkt == NULL || len < sizeof(struct ubcmtp_button)) return; pkt = (struct ubcmtp_button *)(sc->bt_pkt); DPRINTF("%s: button interrupt (%d, %d, %d, %d)", sc->sc_dev.dv_xname, pkt->unused, pkt->button, pkt->rel_x, pkt->rel_y); if (pkt->button != sc->btn) { sc->btn = pkt->button; if (sc->wsmode == WSMOUSE_NATIVE) wsmouse_input(sc->sc_wsmousedev, sc->btn, sc->pos[0].x, sc->pos[0].y, 50 /* fake z for now */, 1, WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y | WSMOUSE_INPUT_ABSOLUTE_Z | WSMOUSE_INPUT_ABSOLUTE_W); else wsmouse_input(sc->sc_wsmousedev, sc->btn, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA); } }