diff options
Diffstat (limited to 'sys/dev/usb/input/ums.c')
| -rw-r--r-- | sys/dev/usb/input/ums.c | 901 |
1 files changed, 901 insertions, 0 deletions
diff --git a/sys/dev/usb/input/ums.c b/sys/dev/usb/input/ums.c new file mode 100644 index 0000000..b064aa9 --- /dev/null +++ b/sys/dev/usb/input/ums.c @@ -0,0 +1,901 @@ +/*- + * Copyright (c) 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Lennart Augustsson (lennart@augustsson.net) at + * Carlstedt Research & Technology. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf + */ + +#include "usbdevs.h" +#include <dev/usb/usb.h> +#include <dev/usb/usb_mfunc.h> +#include <dev/usb/usb_error.h> +#include <dev/usb/usbhid.h> + +#define USB_DEBUG_VAR ums_debug + +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_util.h> +#include <dev/usb/usb_debug.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_process.h> +#include <dev/usb/usb_transfer.h> +#include <dev/usb/usb_request.h> +#include <dev/usb/usb_dynamic.h> +#include <dev/usb/usb_mbuf.h> +#include <dev/usb/usb_dev.h> +#include <dev/usb/usb_hid.h> + +#include <dev/usb/quirk/usb_quirk.h> + +#include <sys/ioccom.h> +#include <sys/filio.h> +#include <sys/tty.h> +#include <sys/mouse.h> + +#if USB_DEBUG +static int ums_debug = 0; + +SYSCTL_NODE(_hw_usb2, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums"); +SYSCTL_INT(_hw_usb2_ums, OID_AUTO, debug, CTLFLAG_RW, + &ums_debug, 0, "Debug level"); +#endif + +#define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE) +#define MOUSE_FLAGS (HIO_RELATIVE) + +#define UMS_BUF_SIZE 8 /* bytes */ +#define UMS_IFQ_MAXLEN 50 /* units */ +#define UMS_BUTTON_MAX 31 /* exclusive, must be less than 32 */ +#define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i)) + +enum { + UMS_INTR_DT, + UMS_INTR_CS, + UMS_N_TRANSFER = 2, +}; + +struct ums_softc { + struct usb2_fifo_sc sc_fifo; + struct mtx sc_mtx; + struct usb2_callout sc_callout; + struct hid_location sc_loc_w; + struct hid_location sc_loc_x; + struct hid_location sc_loc_y; + struct hid_location sc_loc_z; + struct hid_location sc_loc_t; + struct hid_location sc_loc_btn[UMS_BUTTON_MAX]; + mousehw_t sc_hw; + mousemode_t sc_mode; + mousestatus_t sc_status; + + struct usb2_xfer *sc_xfer[UMS_N_TRANSFER]; + + uint32_t sc_flags; +#define UMS_FLAG_X_AXIS 0x0001 +#define UMS_FLAG_Y_AXIS 0x0002 +#define UMS_FLAG_Z_AXIS 0x0004 +#define UMS_FLAG_T_AXIS 0x0008 +#define UMS_FLAG_SBU 0x0010 /* spurious button up events */ +#define UMS_FLAG_INTR_STALL 0x0020 /* set if transfer error */ +#define UMS_FLAG_REVZ 0x0040 /* Z-axis is reversed */ +#define UMS_FLAG_W_AXIS 0x0080 + + uint8_t sc_buttons; + uint8_t sc_iid; + uint8_t sc_temp[64]; +}; + +static void ums_put_queue_timeout(void *__sc); + +static usb2_callback_t ums_clear_stall_callback; +static usb2_callback_t ums_intr_callback; + +static device_probe_t ums_probe; +static device_attach_t ums_attach; +static device_detach_t ums_detach; + +static usb2_fifo_cmd_t ums_start_read; +static usb2_fifo_cmd_t ums_stop_read; +static usb2_fifo_open_t ums_open; +static usb2_fifo_close_t ums_close; +static usb2_fifo_ioctl_t ums_ioctl; + +static void ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy, int32_t dz, int32_t dt, int32_t buttons); + +static struct usb2_fifo_methods ums_fifo_methods = { + .f_open = &ums_open, + .f_close = &ums_close, + .f_ioctl = &ums_ioctl, + .f_start_read = &ums_start_read, + .f_stop_read = &ums_stop_read, + .basename[0] = "ums", +}; + +static void +ums_put_queue_timeout(void *__sc) +{ + struct ums_softc *sc = __sc; + + mtx_assert(&sc->sc_mtx, MA_OWNED); + + ums_put_queue(sc, 0, 0, 0, 0, 0); +} + +static void +ums_clear_stall_callback(struct usb2_xfer *xfer) +{ + struct ums_softc *sc = xfer->priv_sc; + struct usb2_xfer *xfer_other = sc->sc_xfer[UMS_INTR_DT]; + + if (usb2_clear_stall_callback(xfer, xfer_other)) { + DPRINTF("stall cleared\n"); + sc->sc_flags &= ~UMS_FLAG_INTR_STALL; + usb2_transfer_start(xfer_other); + } +} + +static void +ums_intr_callback(struct usb2_xfer *xfer) +{ + struct ums_softc *sc = xfer->priv_sc; + uint8_t *buf = sc->sc_temp; + uint16_t len = xfer->actlen; + int32_t buttons = 0; + int32_t dw; + int32_t dx; + int32_t dy; + int32_t dz; + int32_t dt; + uint8_t i; + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + DPRINTFN(6, "sc=%p actlen=%d\n", sc, len); + + if (len > sizeof(sc->sc_temp)) { + DPRINTFN(6, "truncating large packet to %zu bytes\n", + sizeof(sc->sc_temp)); + len = sizeof(sc->sc_temp); + } + if (len == 0) { + goto tr_setup; + } + usb2_copy_out(xfer->frbuffers, 0, buf, len); + + DPRINTFN(6, "data = %02x %02x %02x %02x " + "%02x %02x %02x %02x\n", + (len > 0) ? buf[0] : 0, (len > 1) ? buf[1] : 0, + (len > 2) ? buf[2] : 0, (len > 3) ? buf[3] : 0, + (len > 4) ? buf[4] : 0, (len > 5) ? buf[5] : 0, + (len > 6) ? buf[6] : 0, (len > 7) ? buf[7] : 0); + + /* + * The M$ Wireless Intellimouse 2.0 sends 1 extra leading byte + * of data compared to most USB mice. This byte frequently + * switches from 0x01 (usual state) to 0x02. I assume it is to + * allow extra, non-standard, reporting (say battery-life). + * + * However at the same time it generates a left-click message + * on the button byte which causes spurious left-click's where + * there shouldn't be. This should sort that. Currently it's + * the only user of UMS_FLAG_T_AXIS so use it as an + * identifier. + * + * + * UPDATE: This problem affects the M$ Wireless Notebook Optical Mouse, + * too. However, the leading byte for this mouse is normally 0x11, + * and the phantom mouse click occurs when its 0x14. + * + * We probably should switch to some more official quirk. + */ + if (sc->sc_iid) { + if (sc->sc_flags & UMS_FLAG_T_AXIS) { + if (*buf == 0x02) { + goto tr_setup; + } + } else { + if (*buf != sc->sc_iid) { + goto tr_setup; + } + } + + len--; + buf++; + + } else { + if (sc->sc_flags & UMS_FLAG_SBU) { + if ((*buf == 0x14) || (*buf == 0x15)) { + goto tr_setup; + } + } + } + + dw = (sc->sc_flags & UMS_FLAG_W_AXIS) ? + hid_get_data(buf, len, &sc->sc_loc_w) : 0; + + dx = (sc->sc_flags & UMS_FLAG_X_AXIS) ? + hid_get_data(buf, len, &sc->sc_loc_x) : 0; + + dy = (sc->sc_flags & UMS_FLAG_Y_AXIS) ? + -hid_get_data(buf, len, &sc->sc_loc_y) : 0; + + dz = (sc->sc_flags & UMS_FLAG_Z_AXIS) ? + -hid_get_data(buf, len, &sc->sc_loc_z) : 0; + + if (sc->sc_flags & UMS_FLAG_REVZ) { + dz = -dz; + } + dt = (sc->sc_flags & UMS_FLAG_T_AXIS) ? + -hid_get_data(buf, len, &sc->sc_loc_t): 0; + + for (i = 0; i < sc->sc_buttons; i++) { + if (hid_get_data(buf, len, &sc->sc_loc_btn[i])) { + buttons |= (1 << UMS_BUT(i)); + } + } + + if (dx || dy || dz || dt || dw || + (buttons != sc->sc_status.button)) { + + DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n", + dx, dy, dz, dt, dw, buttons); + + sc->sc_status.button = buttons; + sc->sc_status.dx += dx; + sc->sc_status.dy += dy; + sc->sc_status.dz += dz; + /* + * sc->sc_status.dt += dt; + * no way to export this yet + */ + + /* + * The Qtronix keyboard has a built in PS/2 port for a mouse. + * The firmware once in a while posts a spurious button up + * event. This event we ignore by doing a timeout for 50 msecs. + * If we receive dx=dy=dz=buttons=0 before we add the event to + * the queue. + * In any other case we delete the timeout event. + */ + if ((sc->sc_flags & UMS_FLAG_SBU) && + (dx == 0) && (dy == 0) && (dz == 0) && (dt == 0) && + (dw == 0) && (buttons == 0)) { + + usb2_callout_reset(&sc->sc_callout, hz / 20, + &ums_put_queue_timeout, sc); + } else { + + usb2_callout_stop(&sc->sc_callout); + + ums_put_queue(sc, dx, dy, dz, dt, buttons); + } + } + case USB_ST_SETUP: +tr_setup: + if (sc->sc_flags & UMS_FLAG_INTR_STALL) { + usb2_transfer_start(sc->sc_xfer[UMS_INTR_CS]); + } else { + /* check if we can put more data into the FIFO */ + if (usb2_fifo_put_bytes_max( + sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { + xfer->frlengths[0] = xfer->max_data_length; + usb2_start_hardware(xfer); + } + } + return; + + default: /* Error */ + if (xfer->error != USB_ERR_CANCELLED) { + /* start clear stall */ + sc->sc_flags |= UMS_FLAG_INTR_STALL; + usb2_transfer_start(sc->sc_xfer[UMS_INTR_CS]); + } + return; + } +} + +static const struct usb2_config ums_config[UMS_N_TRANSFER] = { + + [UMS_INTR_DT] = { + .type = UE_INTERRUPT, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_IN, + .mh.flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, + .mh.bufsize = 0, /* use wMaxPacketSize */ + .mh.callback = &ums_intr_callback, + }, + + [UMS_INTR_CS] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = UE_DIR_ANY, + .mh.bufsize = sizeof(struct usb2_device_request), + .mh.callback = &ums_clear_stall_callback, + .mh.timeout = 1000, /* 1 second */ + .mh.interval = 50, /* 50ms */ + }, +}; + +static int +ums_probe(device_t dev) +{ + struct usb2_attach_arg *uaa = device_get_ivars(dev); + struct usb2_interface_descriptor *id; + void *d_ptr; + int32_t error = 0; + uint16_t d_len; + + DPRINTFN(11, "\n"); + + if (uaa->usb2_mode != USB_MODE_HOST) { + return (ENXIO); + } + if (uaa->iface == NULL) { + return (ENXIO); + } + id = usb2_get_interface_descriptor(uaa->iface); + + if ((id == NULL) || + (id->bInterfaceClass != UICLASS_HID)) { + return (ENXIO); + } + error = usb2_req_get_hid_desc + (uaa->device, &Giant, + &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex); + + if (error) { + return (ENXIO); + } + if (hid_is_collection(d_ptr, d_len, + HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) { + error = 0; + } else if ((id->bInterfaceSubClass == UISUBCLASS_BOOT) && + (id->bInterfaceProtocol == UIPROTO_MOUSE)) { + error = 0; + } else { + error = ENXIO; + } + + free(d_ptr, M_TEMP); + return (error); +} + +static int +ums_attach(device_t dev) +{ + struct usb2_attach_arg *uaa = device_get_ivars(dev); + struct ums_softc *sc = device_get_softc(dev); + void *d_ptr = NULL; + int unit = device_get_unit(dev); + int32_t isize; + uint32_t flags; + int32_t err; + uint16_t d_len; + uint8_t i; + + DPRINTFN(11, "sc=%p\n", sc); + + device_set_usb2_desc(dev); + + mtx_init(&sc->sc_mtx, "ums lock", NULL, MTX_DEF | MTX_RECURSE); + + usb2_callout_init_mtx(&sc->sc_callout, &sc->sc_mtx, 0); + + /* + * Force the report (non-boot) protocol. + * + * Mice without boot protocol support may choose not to implement + * Set_Protocol at all; Ignore any error. + */ + err = usb2_req_set_protocol(uaa->device, NULL, uaa->info.bIfaceIndex, 1); + + err = usb2_transfer_setup(uaa->device, + &uaa->info.bIfaceIndex, sc->sc_xfer, ums_config, + UMS_N_TRANSFER, sc, &sc->sc_mtx); + + if (err) { + DPRINTF("error=%s\n", usb2_errstr(err)); + goto detach; + } + err = usb2_req_get_hid_desc + (uaa->device, &Giant, &d_ptr, + &d_len, M_TEMP, uaa->info.bIfaceIndex); + + if (err) { + device_printf(dev, "error reading report description\n"); + goto detach; + } + if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), + hid_input, &sc->sc_loc_x, &flags)) { + + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_X_AXIS; + } + } + if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), + hid_input, &sc->sc_loc_y, &flags)) { + + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_Y_AXIS; + } + } + /* Try the wheel first as the Z activator since it's tradition. */ + if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, + HUG_WHEEL), hid_input, &sc->sc_loc_z, &flags) || + hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, + HUG_TWHEEL), hid_input, &sc->sc_loc_z, &flags)) { + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_Z_AXIS; + } + /* + * We might have both a wheel and Z direction, if so put + * put the Z on the W coordinate. + */ + if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, + HUG_Z), hid_input, &sc->sc_loc_w, &flags)) { + + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_W_AXIS; + } + } + } else if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, + HUG_Z), hid_input, &sc->sc_loc_z, &flags)) { + + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_Z_AXIS; + } + } + /* + * The Microsoft Wireless Intellimouse 2.0 reports it's wheel + * using 0x0048, which is HUG_TWHEEL, and seems to expect you + * to know that the byte after the wheel is the tilt axis. + * There are no other HID axis descriptors other than X,Y and + * TWHEEL + */ + if (hid_locate(d_ptr, d_len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_TWHEEL), + hid_input, &sc->sc_loc_t, &flags)) { + + sc->sc_loc_t.pos += 8; + + if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) { + sc->sc_flags |= UMS_FLAG_T_AXIS; + } + } + /* figure out the number of buttons */ + + for (i = 0; i < UMS_BUTTON_MAX; i++) { + if (!hid_locate(d_ptr, d_len, HID_USAGE2(HUP_BUTTON, (i + 1)), + hid_input, &sc->sc_loc_btn[i], NULL)) { + break; + } + } + + sc->sc_buttons = i; + + isize = hid_report_size(d_ptr, d_len, hid_input, &sc->sc_iid); + + /* + * The Microsoft Wireless Notebook Optical Mouse seems to be in worse + * shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and + * all of its other button positions are all off. It also reports that + * it has two addional buttons and a tilt wheel. + */ + if (usb2_test_quirk(uaa, UQ_MS_BAD_CLASS)) { + sc->sc_flags = (UMS_FLAG_X_AXIS | + UMS_FLAG_Y_AXIS | + UMS_FLAG_Z_AXIS | + UMS_FLAG_SBU); + sc->sc_buttons = 3; + isize = 5; + sc->sc_iid = 0; + /* 1st byte of descriptor report contains garbage */ + sc->sc_loc_x.pos = 16; + sc->sc_loc_y.pos = 24; + sc->sc_loc_z.pos = 32; + sc->sc_loc_btn[0].pos = 8; + sc->sc_loc_btn[1].pos = 9; + sc->sc_loc_btn[2].pos = 10; + } + /* + * The Microsoft Wireless Notebook Optical Mouse 3000 Model 1049 has + * five Report IDs: 19 23 24 17 18 (in the order they appear in report + * descriptor), it seems that report id 17 contains the necessary + * mouse information(3-buttons,X,Y,wheel) so we specify it manually. + */ + if ((uaa->info.idVendor == USB_VENDOR_MICROSOFT) && + (uaa->info.idProduct == USB_PRODUCT_MICROSOFT_WLNOTEBOOK3)) { + sc->sc_flags = (UMS_FLAG_X_AXIS | + UMS_FLAG_Y_AXIS | + UMS_FLAG_Z_AXIS); + sc->sc_buttons = 3; + isize = 5; + sc->sc_iid = 17; + sc->sc_loc_x.pos = 8; + sc->sc_loc_y.pos = 16; + sc->sc_loc_z.pos = 24; + sc->sc_loc_btn[0].pos = 0; + sc->sc_loc_btn[1].pos = 1; + sc->sc_loc_btn[2].pos = 2; + } + if (usb2_test_quirk(uaa, UQ_MS_REVZ)) { + /* Some wheels need the Z axis reversed. */ + sc->sc_flags |= UMS_FLAG_REVZ; + } + if (isize > sc->sc_xfer[UMS_INTR_DT]->max_frame_size) { + DPRINTF("WARNING: report size, %d bytes, is larger " + "than interrupt size, %d bytes!\n", + isize, sc->sc_xfer[UMS_INTR_DT]->max_frame_size); + } + /* announce information about the mouse */ + + device_printf(dev, "%d buttons and [%s%s%s%s%s] coordinates\n", + (sc->sc_buttons), + (sc->sc_flags & UMS_FLAG_X_AXIS) ? "X" : "", + (sc->sc_flags & UMS_FLAG_Y_AXIS) ? "Y" : "", + (sc->sc_flags & UMS_FLAG_Z_AXIS) ? "Z" : "", + (sc->sc_flags & UMS_FLAG_T_AXIS) ? "T" : "", + (sc->sc_flags & UMS_FLAG_W_AXIS) ? "W" : ""); + + free(d_ptr, M_TEMP); + d_ptr = NULL; + +#if USB_DEBUG + DPRINTF("sc=%p\n", sc); + DPRINTF("X\t%d/%d\n", sc->sc_loc_x.pos, sc->sc_loc_x.size); + DPRINTF("Y\t%d/%d\n", sc->sc_loc_y.pos, sc->sc_loc_y.size); + DPRINTF("Z\t%d/%d\n", sc->sc_loc_z.pos, sc->sc_loc_z.size); + DPRINTF("T\t%d/%d\n", sc->sc_loc_t.pos, sc->sc_loc_t.size); + DPRINTF("W\t%d/%d\n", sc->sc_loc_w.pos, sc->sc_loc_w.size); + + for (i = 0; i < sc->sc_buttons; i++) { + DPRINTF("B%d\t%d/%d\n", + i + 1, sc->sc_loc_btn[i].pos, sc->sc_loc_btn[i].size); + } + DPRINTF("size=%d, id=%d\n", isize, sc->sc_iid); +#endif + + if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) + sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; + else + sc->sc_hw.buttons = sc->sc_buttons; + + sc->sc_hw.iftype = MOUSE_IF_USB; + sc->sc_hw.type = MOUSE_MOUSE; + sc->sc_hw.model = MOUSE_MODEL_GENERIC; + sc->sc_hw.hwid = 0; + + sc->sc_mode.protocol = MOUSE_PROTO_MSC; + sc->sc_mode.rate = -1; + sc->sc_mode.resolution = MOUSE_RES_UNKNOWN; + sc->sc_mode.accelfactor = 0; + sc->sc_mode.level = 0; + sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; + sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; + sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; + + sc->sc_status.flags = 0; + sc->sc_status.button = 0; + sc->sc_status.obutton = 0; + sc->sc_status.dx = 0; + sc->sc_status.dy = 0; + sc->sc_status.dz = 0; + + /* set interface permissions */ + usb2_set_iface_perm(uaa->device, uaa->info.bIfaceIndex, + UID_ROOT, GID_OPERATOR, 0644); + + err = usb2_fifo_attach(uaa->device, sc, &sc->sc_mtx, + &ums_fifo_methods, &sc->sc_fifo, + unit, 0 - 1, uaa->info.bIfaceIndex); + if (err) { + goto detach; + } + return (0); + +detach: + if (d_ptr) { + free(d_ptr, M_TEMP); + } + ums_detach(dev); + return (ENOMEM); +} + +static int +ums_detach(device_t self) +{ + struct ums_softc *sc = device_get_softc(self); + + DPRINTF("sc=%p\n", sc); + + usb2_fifo_detach(&sc->sc_fifo); + + usb2_transfer_unsetup(sc->sc_xfer, UMS_N_TRANSFER); + + usb2_callout_drain(&sc->sc_callout); + + mtx_destroy(&sc->sc_mtx); + + return (0); +} + +static void +ums_start_read(struct usb2_fifo *fifo) +{ + struct ums_softc *sc = fifo->priv_sc0; + + usb2_transfer_start(sc->sc_xfer[UMS_INTR_DT]); +} + +static void +ums_stop_read(struct usb2_fifo *fifo) +{ + struct ums_softc *sc = fifo->priv_sc0; + + usb2_transfer_stop(sc->sc_xfer[UMS_INTR_CS]); + usb2_transfer_stop(sc->sc_xfer[UMS_INTR_DT]); + usb2_callout_stop(&sc->sc_callout); +} + + +#if ((MOUSE_SYS_PACKETSIZE != 8) || \ + (MOUSE_MSC_PACKETSIZE != 5)) +#error "Software assumptions are not met. Please update code." +#endif + +static void +ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy, + int32_t dz, int32_t dt, int32_t buttons) +{ + uint8_t buf[8]; + + if (1) { + + if (dx > 254) + dx = 254; + if (dx < -256) + dx = -256; + if (dy > 254) + dy = 254; + if (dy < -256) + dy = -256; + if (dz > 126) + dz = 126; + if (dz < -128) + dz = -128; + if (dt > 126) + dt = 126; + if (dt < -128) + dt = -128; + + buf[0] = sc->sc_mode.syncmask[1]; + buf[0] |= (~buttons) & MOUSE_MSC_BUTTONS; + buf[1] = dx >> 1; + buf[2] = dy >> 1; + buf[3] = dx - (dx >> 1); + buf[4] = dy - (dy >> 1); + + if (sc->sc_mode.level == 1) { + buf[5] = dz >> 1; + buf[6] = dz - (dz >> 1); + buf[7] = (((~buttons) >> 3) & MOUSE_SYS_EXTBUTTONS); + } + usb2_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf, + sc->sc_mode.packetsize, 1); + + } else { + DPRINTF("Buffer full, discarded packet\n"); + } +} + +static void +ums_reset_buf(struct ums_softc *sc) +{ + /* reset read queue */ + usb2_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]); +} + +static int +ums_open(struct usb2_fifo *fifo, int fflags, struct thread *td) +{ + struct ums_softc *sc = fifo->priv_sc0; + + DPRINTFN(2, "\n"); + + if (fflags & FREAD) { + + /* reset status */ + + sc->sc_status.flags = 0; + sc->sc_status.button = 0; + sc->sc_status.obutton = 0; + sc->sc_status.dx = 0; + sc->sc_status.dy = 0; + sc->sc_status.dz = 0; + /* sc->sc_status.dt = 0; */ + + if (usb2_fifo_alloc_buffer(fifo, + UMS_BUF_SIZE, UMS_IFQ_MAXLEN)) { + return (ENOMEM); + } + } + return (0); +} + +static void +ums_close(struct usb2_fifo *fifo, int fflags, struct thread *td) +{ + if (fflags & FREAD) { + usb2_fifo_free_buffer(fifo); + } +} + +static int +ums_ioctl(struct usb2_fifo *fifo, u_long cmd, void *addr, + int fflags, struct thread *td) +{ + struct ums_softc *sc = fifo->priv_sc0; + mousemode_t mode; + int error = 0; + + DPRINTFN(2, "\n"); + + mtx_lock(&sc->sc_mtx); + + switch (cmd) { + case MOUSE_GETHWINFO: + *(mousehw_t *)addr = sc->sc_hw; + break; + + case MOUSE_GETMODE: + *(mousemode_t *)addr = sc->sc_mode; + break; + + case MOUSE_SETMODE: + mode = *(mousemode_t *)addr; + + if (mode.level == -1) { + /* don't change the current setting */ + } else if ((mode.level < 0) || (mode.level > 1)) { + error = EINVAL; + goto done; + } else { + sc->sc_mode.level = mode.level; + } + + if (sc->sc_mode.level == 0) { + if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) + sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; + else + sc->sc_hw.buttons = sc->sc_buttons; + sc->sc_mode.protocol = MOUSE_PROTO_MSC; + sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; + sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; + sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; + } else if (sc->sc_mode.level == 1) { + if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) + sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; + else + sc->sc_hw.buttons = sc->sc_buttons; + sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; + sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; + sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; + sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; + } + ums_reset_buf(sc); + break; + + case MOUSE_GETLEVEL: + *(int *)addr = sc->sc_mode.level; + break; + + case MOUSE_SETLEVEL: + if (*(int *)addr < 0 || *(int *)addr > 1) { + error = EINVAL; + goto done; + } + sc->sc_mode.level = *(int *)addr; + + if (sc->sc_mode.level == 0) { + if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON) + sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON; + else + sc->sc_hw.buttons = sc->sc_buttons; + sc->sc_mode.protocol = MOUSE_PROTO_MSC; + sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE; + sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK; + sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC; + } else if (sc->sc_mode.level == 1) { + if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON) + sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON; + else + sc->sc_hw.buttons = sc->sc_buttons; + sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE; + sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE; + sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK; + sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC; + } + ums_reset_buf(sc); + break; + + case MOUSE_GETSTATUS:{ + mousestatus_t *status = (mousestatus_t *)addr; + + *status = sc->sc_status; + sc->sc_status.obutton = sc->sc_status.button; + sc->sc_status.button = 0; + sc->sc_status.dx = 0; + sc->sc_status.dy = 0; + sc->sc_status.dz = 0; + /* sc->sc_status.dt = 0; */ + + if (status->dx || status->dy || status->dz /* || status->dt */ ) { + status->flags |= MOUSE_POSCHANGED; + } + if (status->button != status->obutton) { + status->flags |= MOUSE_BUTTONSCHANGED; + } + break; + } + default: + error = ENOTTY; + } + +done: + mtx_unlock(&sc->sc_mtx); + return (error); +} + +static devclass_t ums_devclass; + +static device_method_t ums_methods[] = { + DEVMETHOD(device_probe, ums_probe), + DEVMETHOD(device_attach, ums_attach), + DEVMETHOD(device_detach, ums_detach), + {0, 0} +}; + +static driver_t ums_driver = { + .name = "ums", + .methods = ums_methods, + .size = sizeof(struct ums_softc), +}; + +DRIVER_MODULE(ums, ushub, ums_driver, ums_devclass, NULL, 0); +MODULE_DEPEND(ums, usb, 1, 1, 1); |
