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atp.c
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uep.c
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uhid.c
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uhid_snes.c
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ukbd.c
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ums.c
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usb_rdesc.h
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Editing: uhid.c
/* $NetBSD: uhid.c,v 1.46 2001/11/13 06:24:55 lukem Exp $ */ /* Also already merged from NetBSD: * $NetBSD: uhid.c,v 1.54 2002/09/23 05:51:21 simonb Exp $ */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /*- * SPDX-License-Identifier: BSD-2-Clause-NetBSD * * 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. * * 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. */ /* * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf */ #include "opt_hid.h" #include <sys/stdint.h> #include <sys/stddef.h> #include <sys/param.h> #include <sys/queue.h> #include <sys/types.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/bus.h> #include <sys/module.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/condvar.h> #include <sys/sysctl.h> #include <sys/sx.h> #include <sys/unistd.h> #include <sys/callout.h> #include <sys/malloc.h> #include <sys/priv.h> #include <sys/conf.h> #include <sys/fcntl.h> #include <dev/hid/hid.h> #include "usbdevs.h" #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> #include <dev/usb/usbdi_util.h> #include <dev/usb/usbhid.h> #include <dev/usb/usb_ioctl.h> #include <dev/usb/usb_generic.h> #define USB_DEBUG_VAR uhid_debug #include <dev/usb/usb_debug.h> #include <dev/usb/input/usb_rdesc.h> #include <dev/usb/quirk/usb_quirk.h> #ifdef USB_DEBUG static int uhid_debug = 0; static SYSCTL_NODE(_hw_usb, OID_AUTO, uhid, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "USB uhid"); SYSCTL_INT(_hw_usb_uhid, OID_AUTO, debug, CTLFLAG_RWTUN, &uhid_debug, 0, "Debug level"); #endif #define UHID_BSIZE 1024 /* bytes, buffer size */ #define UHID_FRAME_NUM 50 /* bytes, frame number */ enum { UHID_INTR_DT_WR, UHID_INTR_DT_RD, UHID_CTRL_DT_WR, UHID_CTRL_DT_RD, UHID_N_TRANSFER, }; struct uhid_softc { struct usb_fifo_sc sc_fifo; struct mtx sc_mtx; struct usb_xfer *sc_xfer[UHID_N_TRANSFER]; struct usb_device *sc_udev; void *sc_repdesc_ptr; uint32_t sc_isize; uint32_t sc_osize; uint32_t sc_fsize; uint16_t sc_repdesc_size; uint8_t sc_iface_no; uint8_t sc_iface_index; uint8_t sc_iid; uint8_t sc_oid; uint8_t sc_fid; uint8_t sc_flags; #define UHID_FLAG_IMMED 0x01 /* set if read should be immediate */ #define UHID_FLAG_STATIC_DESC 0x04 /* set if report descriptors are * static */ }; static const uint8_t uhid_xb360gp_report_descr[] = {UHID_XB360GP_REPORT_DESCR()}; static const uint8_t uhid_graphire_report_descr[] = {UHID_GRAPHIRE_REPORT_DESCR()}; static const uint8_t uhid_graphire3_4x5_report_descr[] = {UHID_GRAPHIRE3_4X5_REPORT_DESCR()}; /* prototypes */ static device_probe_t uhid_probe; static device_attach_t uhid_attach; static device_detach_t uhid_detach; static usb_callback_t uhid_intr_write_callback; static usb_callback_t uhid_intr_read_callback; static usb_callback_t uhid_write_callback; static usb_callback_t uhid_read_callback; static usb_fifo_cmd_t uhid_start_read; static usb_fifo_cmd_t uhid_stop_read; static usb_fifo_cmd_t uhid_start_write; static usb_fifo_cmd_t uhid_stop_write; static usb_fifo_open_t uhid_open; static usb_fifo_close_t uhid_close; static usb_fifo_ioctl_t uhid_ioctl; static usb_fifo_ioctl_t uhid_ioctl_post; static struct usb_fifo_methods uhid_fifo_methods = { .f_open = &uhid_open, .f_close = &uhid_close, .f_ioctl = &uhid_ioctl, .f_ioctl_post = &uhid_ioctl_post, .f_start_read = &uhid_start_read, .f_stop_read = &uhid_stop_read, .f_start_write = &uhid_start_write, .f_stop_write = &uhid_stop_write, .basename[0] = "uhid", }; static void uhid_intr_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhid_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc, 0, usbd_xfer_max_len(xfer), &actlen, 0)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void uhid_intr_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhid_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: DPRINTF("transferred!\n"); pc = usbd_xfer_get_frame(xfer, 0); /* * If the ID byte is non zero we allow descriptors * having multiple sizes: */ if ((actlen >= (int)sc->sc_isize) || ((actlen > 0) && (sc->sc_iid != 0))) { /* limit report length to the maximum */ if (actlen > (int)sc->sc_isize) actlen = sc->sc_isize; usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, 0, actlen, 1); } else { /* ignore it */ DPRINTF("ignored transfer, %d bytes\n", actlen); } case USB_ST_SETUP: re_submit: if (usb_fifo_put_bytes_max( sc->sc_fifo.fp[USB_FIFO_RX]) != 0) { usbd_xfer_set_frame_len(xfer, 0, sc->sc_isize); usbd_transfer_submit(xfer); } return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto re_submit; } return; } } static void uhid_fill_set_report(struct usb_device_request *req, uint8_t iface_no, uint8_t type, uint8_t id, uint16_t size) { req->bmRequestType = UT_WRITE_CLASS_INTERFACE; req->bRequest = UR_SET_REPORT; USETW2(req->wValue, type, id); req->wIndex[0] = iface_no; req->wIndex[1] = 0; USETW(req->wLength, size); } static void uhid_fill_get_report(struct usb_device_request *req, uint8_t iface_no, uint8_t type, uint8_t id, uint16_t size) { req->bmRequestType = UT_READ_CLASS_INTERFACE; req->bRequest = UR_GET_REPORT; USETW2(req->wValue, type, id); req->wIndex[0] = iface_no; req->wIndex[1] = 0; USETW(req->wLength, size); } static void uhid_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhid_softc *sc = usbd_xfer_softc(xfer); struct usb_device_request req; struct usb_page_cache *pc; uint32_t size = sc->sc_osize; uint32_t actlen; uint8_t id; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: case USB_ST_SETUP: /* try to extract the ID byte */ if (sc->sc_oid) { pc = usbd_xfer_get_frame(xfer, 0); if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc, 0, 1, &actlen, 0)) { if (actlen != 1) { goto tr_error; } usbd_copy_out(pc, 0, &id, 1); } else { return; } if (size) { size--; } } else { id = 0; } pc = usbd_xfer_get_frame(xfer, 1); if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc, 0, UHID_BSIZE, &actlen, 1)) { if (actlen != size) { goto tr_error; } uhid_fill_set_report (&req, sc->sc_iface_no, UHID_OUTPUT_REPORT, id, size); pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_in(pc, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frame_len(xfer, 1, size); usbd_xfer_set_frames(xfer, size ? 2 : 1); usbd_transfer_submit(xfer); } return; default: tr_error: /* bomb out */ usb_fifo_get_data_error(sc->sc_fifo.fp[USB_FIFO_TX]); return; } } static void uhid_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct uhid_softc *sc = usbd_xfer_softc(xfer); struct usb_device_request req; struct usb_page_cache *pc; pc = usbd_xfer_get_frame(xfer, 0); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, sizeof(req), sc->sc_isize, 1); return; case USB_ST_SETUP: if (usb_fifo_put_bytes_max(sc->sc_fifo.fp[USB_FIFO_RX]) > 0) { uhid_fill_get_report (&req, sc->sc_iface_no, UHID_INPUT_REPORT, sc->sc_iid, sc->sc_isize); usbd_copy_in(pc, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frame_len(xfer, 1, sc->sc_isize); usbd_xfer_set_frames(xfer, sc->sc_isize ? 2 : 1); usbd_transfer_submit(xfer); } return; default: /* Error */ /* bomb out */ usb_fifo_put_data_error(sc->sc_fifo.fp[USB_FIFO_RX]); return; } } static const struct usb_config uhid_config[UHID_N_TRANSFER] = { [UHID_INTR_DT_WR] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .flags = {.pipe_bof = 1,.no_pipe_ok = 1, }, .bufsize = UHID_BSIZE, .callback = &uhid_intr_write_callback, }, [UHID_INTR_DT_RD] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .bufsize = UHID_BSIZE, .callback = &uhid_intr_read_callback, }, [UHID_CTRL_DT_WR] = { .type = UE_CONTROL, .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE, .callback = &uhid_write_callback, .timeout = 1000, /* 1 second */ }, [UHID_CTRL_DT_RD] = { .type = UE_CONTROL, .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = sizeof(struct usb_device_request) + UHID_BSIZE, .callback = &uhid_read_callback, .timeout = 1000, /* 1 second */ }, }; static void uhid_start_read(struct usb_fifo *fifo) { struct uhid_softc *sc = usb_fifo_softc(fifo); if (sc->sc_flags & UHID_FLAG_IMMED) { usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_RD]); } else { usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_RD]); } } static void uhid_stop_read(struct usb_fifo *fifo) { struct uhid_softc *sc = usb_fifo_softc(fifo); usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_RD]); usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_RD]); } static void uhid_start_write(struct usb_fifo *fifo) { struct uhid_softc *sc = usb_fifo_softc(fifo); if ((sc->sc_flags & UHID_FLAG_IMMED) || sc->sc_xfer[UHID_INTR_DT_WR] == NULL) { usbd_transfer_start(sc->sc_xfer[UHID_CTRL_DT_WR]); } else { usbd_transfer_start(sc->sc_xfer[UHID_INTR_DT_WR]); } } static void uhid_stop_write(struct usb_fifo *fifo) { struct uhid_softc *sc = usb_fifo_softc(fifo); usbd_transfer_stop(sc->sc_xfer[UHID_CTRL_DT_WR]); usbd_transfer_stop(sc->sc_xfer[UHID_INTR_DT_WR]); } static int uhid_get_report(struct uhid_softc *sc, uint8_t type, uint8_t id, void *kern_data, void *user_data, uint16_t len) { int err; uint8_t free_data = 0; if (kern_data == NULL) { kern_data = malloc(len, M_USBDEV, M_WAITOK); free_data = 1; } err = usbd_req_get_report(sc->sc_udev, NULL, kern_data, len, sc->sc_iface_index, type, id); if (err) { err = ENXIO; goto done; } if (user_data) { /* dummy buffer */ err = copyout(kern_data, user_data, len); if (err) { goto done; } } done: if (free_data) { free(kern_data, M_USBDEV); } return (err); } static int uhid_set_report(struct uhid_softc *sc, uint8_t type, uint8_t id, void *kern_data, void *user_data, uint16_t len) { int err; uint8_t free_data = 0; if (kern_data == NULL) { kern_data = malloc(len, M_USBDEV, M_WAITOK); free_data = 1; err = copyin(user_data, kern_data, len); if (err) { goto done; } } err = usbd_req_set_report(sc->sc_udev, NULL, kern_data, len, sc->sc_iface_index, type, id); if (err) { err = ENXIO; goto done; } done: if (free_data) { free(kern_data, M_USBDEV); } return (err); } static int uhid_open(struct usb_fifo *fifo, int fflags) { struct uhid_softc *sc = usb_fifo_softc(fifo); /* * The buffers are one byte larger than maximum so that one * can detect too large read/writes and short transfers: */ if (fflags & FREAD) { /* reset flags */ mtx_lock(&sc->sc_mtx); sc->sc_flags &= ~UHID_FLAG_IMMED; mtx_unlock(&sc->sc_mtx); if (usb_fifo_alloc_buffer(fifo, sc->sc_isize + 1, UHID_FRAME_NUM)) { return (ENOMEM); } } if (fflags & FWRITE) { if (usb_fifo_alloc_buffer(fifo, sc->sc_osize + 1, UHID_FRAME_NUM)) { return (ENOMEM); } } return (0); } static void uhid_close(struct usb_fifo *fifo, int fflags) { if (fflags & (FREAD | FWRITE)) { usb_fifo_free_buffer(fifo); } } static int uhid_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) { struct uhid_softc *sc = usb_fifo_softc(fifo); struct usb_gen_descriptor *ugd; uint32_t size; int error = 0; uint8_t id; switch (cmd) { case USB_GET_REPORT_DESC: ugd = addr; if (sc->sc_repdesc_size > ugd->ugd_maxlen) { size = ugd->ugd_maxlen; } else { size = sc->sc_repdesc_size; } ugd->ugd_actlen = size; if (ugd->ugd_data == NULL) break; /* descriptor length only */ error = copyout(sc->sc_repdesc_ptr, ugd->ugd_data, size); break; case USB_SET_IMMED: if (!(fflags & FREAD)) { error = EPERM; break; } if (*(int *)addr) { /* do a test read */ error = uhid_get_report(sc, UHID_INPUT_REPORT, sc->sc_iid, NULL, NULL, sc->sc_isize); if (error) { break; } mtx_lock(&sc->sc_mtx); sc->sc_flags |= UHID_FLAG_IMMED; mtx_unlock(&sc->sc_mtx); } else { mtx_lock(&sc->sc_mtx); sc->sc_flags &= ~UHID_FLAG_IMMED; mtx_unlock(&sc->sc_mtx); } break; case USB_GET_REPORT: if (!(fflags & FREAD)) { error = EPERM; break; } ugd = addr; switch (ugd->ugd_report_type) { case UHID_INPUT_REPORT: size = sc->sc_isize; id = sc->sc_iid; break; case UHID_OUTPUT_REPORT: size = sc->sc_osize; id = sc->sc_oid; break; case UHID_FEATURE_REPORT: size = sc->sc_fsize; id = sc->sc_fid; break; default: return (EINVAL); } if (id != 0) copyin(ugd->ugd_data, &id, 1); error = uhid_get_report(sc, ugd->ugd_report_type, id, NULL, ugd->ugd_data, imin(ugd->ugd_maxlen, size)); break; case USB_SET_REPORT: if (!(fflags & FWRITE)) { error = EPERM; break; } ugd = addr; switch (ugd->ugd_report_type) { case UHID_INPUT_REPORT: size = sc->sc_isize; id = sc->sc_iid; break; case UHID_OUTPUT_REPORT: size = sc->sc_osize; id = sc->sc_oid; break; case UHID_FEATURE_REPORT: size = sc->sc_fsize; id = sc->sc_fid; break; default: return (EINVAL); } if (id != 0) copyin(ugd->ugd_data, &id, 1); error = uhid_set_report(sc, ugd->ugd_report_type, id, NULL, ugd->ugd_data, imin(ugd->ugd_maxlen, size)); break; case USB_GET_REPORT_ID: *(int *)addr = 0; /* XXX: we only support reportid 0? */ break; default: error = ENOIOCTL; break; } return (error); } static int uhid_ioctl_post(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) { int error; switch (cmd) { case USB_GET_DEVICEINFO: error = ugen_fill_deviceinfo(fifo, addr); break; default: error = EINVAL; break; } return (error); } static const STRUCT_USB_HOST_ID uhid_devs[] = { /* generic HID class */ {USB_IFACE_CLASS(UICLASS_HID),}, /* the Xbox 360 gamepad doesn't use the HID class */ {USB_IFACE_CLASS(UICLASS_VENDOR), USB_IFACE_SUBCLASS(UISUBCLASS_XBOX360_CONTROLLER), USB_IFACE_PROTOCOL(UIPROTO_XBOX360_GAMEPAD),}, }; static int uhid_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); int error; void *buf; uint16_t len; DPRINTFN(11, "\n"); if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); error = usbd_lookup_id_by_uaa(uhid_devs, sizeof(uhid_devs), uaa); if (error) return (error); if (usb_test_quirk(uaa, UQ_HID_IGNORE)) return (ENXIO); /* * Don't attach to mouse and keyboard devices, hence then no * "nomatch" event is generated and then ums and ukbd won't * attach properly when loaded. */ if ((uaa->info.bInterfaceClass == UICLASS_HID) && (uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) && (((uaa->info.bInterfaceProtocol == UIPROTO_BOOT_KEYBOARD) && !usb_test_quirk(uaa, UQ_KBD_IGNORE)) || ((uaa->info.bInterfaceProtocol == UIPROTO_MOUSE) && !usb_test_quirk(uaa, UQ_UMS_IGNORE)))) return (ENXIO); /* Check for mandatory multitouch usages to give wmt(4) a chance */ if (!usb_test_quirk(uaa, UQ_WMT_IGNORE)) { error = usbd_req_get_hid_desc(uaa->device, NULL, &buf, &len, M_USBDEV, uaa->info.bIfaceIndex); /* Let HID decscriptor-less devices to be handled at attach */ if (!error) { if (hid_locate(buf, len, HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACT_MAX), hid_feature, 0, NULL, NULL, NULL) && hid_locate(buf, len, HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACTID), hid_input, 0, NULL, NULL, NULL)) { free(buf, M_USBDEV); return (ENXIO); } free(buf, M_USBDEV); } } return (BUS_PROBE_GENERIC); } static int uhid_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct uhid_softc *sc = device_get_softc(dev); int unit = device_get_unit(dev); int error = 0; DPRINTFN(10, "sc=%p\n", sc); device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, "uhid lock", NULL, MTX_DEF | MTX_RECURSE); sc->sc_udev = uaa->device; sc->sc_iface_no = uaa->info.bIfaceNum; sc->sc_iface_index = uaa->info.bIfaceIndex; error = usbd_transfer_setup(uaa->device, &uaa->info.bIfaceIndex, sc->sc_xfer, uhid_config, UHID_N_TRANSFER, sc, &sc->sc_mtx); if (error) { DPRINTF("error=%s\n", usbd_errstr(error)); goto detach; } if (uaa->info.idVendor == USB_VENDOR_WACOM) { /* the report descriptor for the Wacom Graphire is broken */ if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE) { sc->sc_repdesc_size = sizeof(uhid_graphire_report_descr); sc->sc_repdesc_ptr = __DECONST(void *, &uhid_graphire_report_descr); sc->sc_flags |= UHID_FLAG_STATIC_DESC; } else if (uaa->info.idProduct == USB_PRODUCT_WACOM_GRAPHIRE3_4X5) { static uint8_t reportbuf[] = {2, 2, 2}; /* * The Graphire3 needs 0x0202 to be written to * feature report ID 2 before it'll start * returning digitizer data. */ error = usbd_req_set_report(uaa->device, NULL, reportbuf, sizeof(reportbuf), uaa->info.bIfaceIndex, UHID_FEATURE_REPORT, 2); if (error) { DPRINTF("set report failed, error=%s (ignored)\n", usbd_errstr(error)); } sc->sc_repdesc_size = sizeof(uhid_graphire3_4x5_report_descr); sc->sc_repdesc_ptr = __DECONST(void *, &uhid_graphire3_4x5_report_descr); sc->sc_flags |= UHID_FLAG_STATIC_DESC; } } else if ((uaa->info.bInterfaceClass == UICLASS_VENDOR) && (uaa->info.bInterfaceSubClass == UISUBCLASS_XBOX360_CONTROLLER) && (uaa->info.bInterfaceProtocol == UIPROTO_XBOX360_GAMEPAD)) { static const uint8_t reportbuf[3] = {1, 3, 0}; /* * Turn off the four LEDs on the gamepad which * are blinking by default: */ error = usbd_req_set_report(uaa->device, NULL, __DECONST(void *, reportbuf), sizeof(reportbuf), uaa->info.bIfaceIndex, UHID_OUTPUT_REPORT, 0); if (error) { DPRINTF("set output report failed, error=%s (ignored)\n", usbd_errstr(error)); } /* the Xbox 360 gamepad has no report descriptor */ sc->sc_repdesc_size = sizeof(uhid_xb360gp_report_descr); sc->sc_repdesc_ptr = __DECONST(void *, &uhid_xb360gp_report_descr); sc->sc_flags |= UHID_FLAG_STATIC_DESC; } if (sc->sc_repdesc_ptr == NULL) { error = usbd_req_get_hid_desc(uaa->device, NULL, &sc->sc_repdesc_ptr, &sc->sc_repdesc_size, M_USBDEV, uaa->info.bIfaceIndex); if (error) { device_printf(dev, "no report descriptor\n"); goto detach; } } error = usbd_req_set_idle(uaa->device, NULL, uaa->info.bIfaceIndex, 0, 0); if (error) { DPRINTF("set idle failed, error=%s (ignored)\n", usbd_errstr(error)); } sc->sc_isize = hid_report_size_max (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_input, &sc->sc_iid); sc->sc_osize = hid_report_size_max (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_output, &sc->sc_oid); sc->sc_fsize = hid_report_size_max (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_feature, &sc->sc_fid); if (sc->sc_isize > UHID_BSIZE) { DPRINTF("input size is too large, " "%d bytes (truncating)\n", sc->sc_isize); sc->sc_isize = UHID_BSIZE; } if (sc->sc_osize > UHID_BSIZE) { DPRINTF("output size is too large, " "%d bytes (truncating)\n", sc->sc_osize); sc->sc_osize = UHID_BSIZE; } if (sc->sc_fsize > UHID_BSIZE) { DPRINTF("feature size is too large, " "%d bytes (truncating)\n", sc->sc_fsize); sc->sc_fsize = UHID_BSIZE; } error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx, &uhid_fifo_methods, &sc->sc_fifo, unit, -1, uaa->info.bIfaceIndex, UID_ROOT, GID_OPERATOR, 0644); if (error) { goto detach; } return (0); /* success */ detach: uhid_detach(dev); return (ENOMEM); } static int uhid_detach(device_t dev) { struct uhid_softc *sc = device_get_softc(dev); usb_fifo_detach(&sc->sc_fifo); usbd_transfer_unsetup(sc->sc_xfer, UHID_N_TRANSFER); if (sc->sc_repdesc_ptr) { if (!(sc->sc_flags & UHID_FLAG_STATIC_DESC)) { free(sc->sc_repdesc_ptr, M_USBDEV); } } mtx_destroy(&sc->sc_mtx); return (0); } #ifndef HIDRAW_MAKE_UHID_ALIAS static devclass_t uhid_devclass; #endif static device_method_t uhid_methods[] = { DEVMETHOD(device_probe, uhid_probe), DEVMETHOD(device_attach, uhid_attach), DEVMETHOD(device_detach, uhid_detach), DEVMETHOD_END }; static driver_t uhid_driver = { #ifdef HIDRAW_MAKE_UHID_ALIAS .name = "hidraw", #else .name = "uhid", #endif .methods = uhid_methods, .size = sizeof(struct uhid_softc), }; #ifdef HIDRAW_MAKE_UHID_ALIAS DRIVER_MODULE(uhid, uhub, uhid_driver, hidraw_devclass, NULL, 0); #else DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, NULL, 0); #endif MODULE_DEPEND(uhid, usb, 1, 1, 1); MODULE_DEPEND(uhid, hid, 1, 1, 1); MODULE_VERSION(uhid, 1); USB_PNP_HOST_INFO(uhid_devs);
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