diff options
Diffstat (limited to 'freebsd/sys/dev/usb/input/uhid.c')
| -rw-r--r-- | freebsd/sys/dev/usb/input/uhid.c | 883 |
1 files changed, 883 insertions, 0 deletions
diff --git a/freebsd/sys/dev/usb/input/uhid.c b/freebsd/sys/dev/usb/input/uhid.c new file mode 100644 index 00000000..d3812d0b --- /dev/null +++ b/freebsd/sys/dev/usb/input/uhid.c @@ -0,0 +1,883 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* $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("$FreeBSD$"); + +/*- + * 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 <sys/stdint.h> +#include <sys/stddef.h> +#include <rtems/bsd/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 <rtems/bsd/sys/lock.h> +#include <sys/mutex.h> +#include <sys/condvar.h> +#include <sys/sysctl.h> +#include <sys/sx.h> +#include <rtems/bsd/sys/unistd.h> +#include <sys/callout.h> +#include <sys/malloc.h> +#include <sys/priv.h> +#include <sys/conf.h> +#include <sys/fcntl.h> + +#include <rtems/bsd/local/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> + +#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, 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 struct usb_fifo_methods uhid_fifo_methods = { + .f_open = &uhid_open, + .f_close = &uhid_close, + .f_ioctl = &uhid_ioctl, + .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); + if (kern_data == NULL) { + err = ENOMEM; + goto done; + } + 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); + if (kern_data == NULL) { + err = ENOMEM; + goto done; + } + 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 = 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; + + 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); + + 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 + (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_input, &sc->sc_iid); + + sc->sc_osize = hid_report_size + (sc->sc_repdesc_ptr, sc->sc_repdesc_size, hid_output, &sc->sc_oid); + + sc->sc_fsize = hid_report_size + (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); +} + +static devclass_t uhid_devclass; + +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 = { + .name = "uhid", + .methods = uhid_methods, + .size = sizeof(struct uhid_softc), +}; + +DRIVER_MODULE(uhid, uhub, uhid_driver, uhid_devclass, NULL, 0); +MODULE_DEPEND(uhid, usb, 1, 1, 1); +MODULE_VERSION(uhid, 1); +USB_PNP_HOST_INFO(uhid_devs); |