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cp2112.c
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udbp.c
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udbp.h
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ugold.c
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uled.c
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Editing: uled.c
/*- * Copyright (c) 2014, 2017 Kevin Lo * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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("$FreeBSD$"); #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/usb/usb.h> #include <dev/usb/usbdi.h> #include <dev/usb/usbhid.h> #include "usbdevs.h" #define USB_DEBUG_VAR usb_debug #include <dev/usb/usb_debug.h> #include <dev/usb/uled_ioctl.h> struct uled_softc { struct usb_fifo_sc sc_fifo; struct mtx sc_mtx; struct usb_device *sc_udev; struct uled_color sc_color; uint8_t sc_state; #define ULED_ENABLED 0x01 int sc_flags; #define ULED_FLAG_BLINK1 0x0001 }; /* Initial commands. */ static uint8_t blink1[] = { 0x1, 'v', 0, 0, 0, 0, 0, 0 }; static uint8_t dl100b[] = { 0x1f, 0x2, 0, 0x5f, 0, 0, 0x1a, 0x3 }; /* Prototypes. */ static device_probe_t uled_probe; static device_attach_t uled_attach; static device_detach_t uled_detach; static usb_fifo_open_t uled_open; static usb_fifo_close_t uled_close; static usb_fifo_ioctl_t uled_ioctl; static struct usb_fifo_methods uled_fifo_methods = { .f_open = &uled_open, .f_close = &uled_close, .f_ioctl = &uled_ioctl, .basename[0] = "uled", }; static usb_error_t uled_ctrl_msg(struct uled_softc *, uint8_t, uint8_t, uint16_t, uint16_t, void *, uint16_t); static int uled_enable(struct uled_softc *); static devclass_t uled_devclass; static device_method_t uled_methods[] = { DEVMETHOD(device_probe, uled_probe), DEVMETHOD(device_attach, uled_attach), DEVMETHOD(device_detach, uled_detach), DEVMETHOD_END }; static driver_t uled_driver = { .name = "uled", .methods = uled_methods, .size = sizeof(struct uled_softc), }; static const STRUCT_USB_HOST_ID uled_devs[] = { #define ULED_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } ULED_DEV(DREAMLINK, DL100B, 0), ULED_DEV(THINGM, BLINK1, ULED_FLAG_BLINK1), #undef ULED_DEV }; DRIVER_MODULE(uled, uhub, uled_driver, uled_devclass, NULL, NULL); MODULE_DEPEND(uled, usb, 1, 1, 1); MODULE_VERSION(uled, 1); USB_PNP_HOST_INFO(uled_devs); static int uled_probe(device_t dev) { struct usb_attach_arg *uaa; uaa = device_get_ivars(dev); if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); if (uaa->info.bInterfaceClass != UICLASS_HID) return (ENXIO); return (usbd_lookup_id_by_uaa(uled_devs, sizeof(uled_devs), uaa)); } static int uled_attach(device_t dev) { struct usb_attach_arg *uaa; struct uled_softc *sc; int unit; usb_error_t error; uaa = device_get_ivars(dev); sc = device_get_softc(dev); unit = device_get_unit(dev); sc->sc_flags = USB_GET_DRIVER_INFO(uaa); device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, "uled lock", NULL, MTX_DEF | MTX_RECURSE); sc->sc_udev = uaa->device; error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx, &uled_fifo_methods, &sc->sc_fifo, unit, -1, uaa->info.bIfaceIndex, UID_ROOT, GID_OPERATOR, 0644); if (error != 0) goto detach; sc->sc_color.red = 0; sc->sc_color.green = 0; sc->sc_color.blue = 0; return (0); detach: uled_detach(dev); return (ENOMEM); } static int uled_detach(device_t dev) { struct uled_softc *sc; sc = device_get_softc(dev); usb_fifo_detach(&sc->sc_fifo); mtx_destroy(&sc->sc_mtx); return (0); } static usb_error_t uled_ctrl_msg(struct uled_softc *sc, uint8_t rt, uint8_t reqno, uint16_t value, uint16_t index, void *buf, uint16_t buflen) { struct usb_device_request req; req.bmRequestType = rt; req.bRequest = reqno; USETW(req.wValue, value); USETW(req.wIndex, index); USETW(req.wLength, buflen); return (usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, &req, buf, 0, NULL, 2000)); } static int uled_enable(struct uled_softc *sc) { uint8_t *cmdbuf; int error; cmdbuf = (sc->sc_flags & ULED_FLAG_BLINK1) ? blink1 : dl100b; sc->sc_state |= ULED_ENABLED; mtx_lock(&sc->sc_mtx); error = uled_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_SET_REPORT, 0x200, 0, cmdbuf, sizeof(cmdbuf)); mtx_unlock(&sc->sc_mtx); return (error); } static int uled_open(struct usb_fifo *fifo, int fflags) { if (fflags & FREAD) { struct uled_softc *sc; int rc; sc = usb_fifo_softc(fifo); if (sc->sc_state & ULED_ENABLED) return (EBUSY); if ((rc = uled_enable(sc)) != 0) return (rc); } return (0); } static void uled_close(struct usb_fifo *fifo, int fflags) { if (fflags & FREAD) { struct uled_softc *sc; sc = usb_fifo_softc(fifo); sc->sc_state &= ~ULED_ENABLED; } } static int uled_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags) { struct uled_softc *sc; struct uled_color color; int error; sc = usb_fifo_softc(fifo); error = 0; mtx_lock(&sc->sc_mtx); switch(cmd) { case ULED_GET_COLOR: *(struct uled_color *)addr = sc->sc_color; break; case ULED_SET_COLOR: color = *(struct uled_color *)addr; uint8_t buf[8]; sc->sc_color.red = color.red; sc->sc_color.green = color.green; sc->sc_color.blue = color.blue; if (sc->sc_flags & ULED_FLAG_BLINK1) { buf[0] = 0x1; buf[1] = 'n'; buf[2] = color.red; buf[3] = color.green; buf[4] = color.blue; buf[5] = buf[6] = buf[7] = 0; } else { buf[0] = color.red; buf[1] = color.green; buf[2] = color.blue; buf[3] = buf[4] = buf[5] = 0; buf[6] = 0x1a; buf[7] = 0x05; } error = uled_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_SET_REPORT, 0x200, 0, buf, sizeof(buf)); break; default: error = ENOTTY; break; } mtx_unlock(&sc->sc_mtx); return (error); }
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