003 File Manager
Current Path:
/usr/src/sys/netgraph/bluetooth/drivers/ubtbcmfw
usr
/
src
/
sys
/
netgraph
/
bluetooth
/
drivers
/
ubtbcmfw
/
📁
..
📄
ubtbcmfw.c
(10.36 KB)
Editing: ubtbcmfw.c
/* * ubtbcmfw.c */ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2003-2009 Maksim Yevmenkin <m_evmenkin@yahoo.com> * 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. * * $Id: ubtbcmfw.c,v 1.3 2003/10/10 19:15:08 max Exp $ * $FreeBSD$ */ #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 "usbdevs.h" #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> #include <dev/usb/usb_ioctl.h> #define USB_DEBUG_VAR usb_debug #include <dev/usb/usb_debug.h> #include <dev/usb/usb_dev.h> /* * Download firmware to BCM2033. */ #define UBTBCMFW_CONFIG_NO 1 /* Config number */ #define UBTBCMFW_IFACE_IDX 0 /* Control interface */ #define UBTBCMFW_BSIZE 1024 #define UBTBCMFW_IFQ_MAXLEN 2 enum { UBTBCMFW_BULK_DT_WR = 0, UBTBCMFW_INTR_DT_RD, UBTBCMFW_N_TRANSFER, }; struct ubtbcmfw_softc { struct usb_device *sc_udev; struct mtx sc_mtx; struct usb_xfer *sc_xfer[UBTBCMFW_N_TRANSFER]; struct usb_fifo_sc sc_fifo; }; /* * Prototypes */ static device_probe_t ubtbcmfw_probe; static device_attach_t ubtbcmfw_attach; static device_detach_t ubtbcmfw_detach; static usb_callback_t ubtbcmfw_write_callback; static usb_callback_t ubtbcmfw_read_callback; static usb_fifo_close_t ubtbcmfw_close; static usb_fifo_cmd_t ubtbcmfw_start_read; static usb_fifo_cmd_t ubtbcmfw_start_write; static usb_fifo_cmd_t ubtbcmfw_stop_read; static usb_fifo_cmd_t ubtbcmfw_stop_write; static usb_fifo_ioctl_t ubtbcmfw_ioctl; static usb_fifo_open_t ubtbcmfw_open; static struct usb_fifo_methods ubtbcmfw_fifo_methods = { .f_close = &ubtbcmfw_close, .f_ioctl = &ubtbcmfw_ioctl, .f_open = &ubtbcmfw_open, .f_start_read = &ubtbcmfw_start_read, .f_start_write = &ubtbcmfw_start_write, .f_stop_read = &ubtbcmfw_stop_read, .f_stop_write = &ubtbcmfw_stop_write, .basename[0] = "ubtbcmfw", .basename[1] = "ubtbcmfw", .basename[2] = "ubtbcmfw", .postfix[0] = "", .postfix[1] = ".1", .postfix[2] = ".2", }; /* * Device's config structure */ static const struct usb_config ubtbcmfw_config[UBTBCMFW_N_TRANSFER] = { [UBTBCMFW_BULK_DT_WR] = { .type = UE_BULK, .endpoint = 0x02, /* fixed */ .direction = UE_DIR_OUT, .if_index = UBTBCMFW_IFACE_IDX, .bufsize = UBTBCMFW_BSIZE, .flags = { .pipe_bof = 1, .force_short_xfer = 1, .proxy_buffer = 1, }, .callback = &ubtbcmfw_write_callback, }, [UBTBCMFW_INTR_DT_RD] = { .type = UE_INTERRUPT, .endpoint = 0x01, /* fixed */ .direction = UE_DIR_IN, .if_index = UBTBCMFW_IFACE_IDX, .bufsize = UBTBCMFW_BSIZE, .flags = { .pipe_bof = 1, .short_xfer_ok = 1, .proxy_buffer = 1, }, .callback = &ubtbcmfw_read_callback, }, }; /* * Module */ static devclass_t ubtbcmfw_devclass; static device_method_t ubtbcmfw_methods[] = { DEVMETHOD(device_probe, ubtbcmfw_probe), DEVMETHOD(device_attach, ubtbcmfw_attach), DEVMETHOD(device_detach, ubtbcmfw_detach), {0, 0} }; static driver_t ubtbcmfw_driver = { .name = "ubtbcmfw", .methods = ubtbcmfw_methods, .size = sizeof(struct ubtbcmfw_softc), }; static const STRUCT_USB_HOST_ID ubtbcmfw_devs[] = { /* Broadcom BCM2033 devices only */ { USB_VPI(USB_VENDOR_BROADCOM, USB_PRODUCT_BROADCOM_BCM2033, 0) }, }; DRIVER_MODULE(ubtbcmfw, uhub, ubtbcmfw_driver, ubtbcmfw_devclass, NULL, 0); MODULE_DEPEND(ubtbcmfw, usb, 1, 1, 1); USB_PNP_HOST_INFO(ubtbcmfw_devs); /* * Probe for a USB Bluetooth device */ static int ubtbcmfw_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); if (uaa->info.bIfaceIndex != 0) return (ENXIO); return (usbd_lookup_id_by_uaa(ubtbcmfw_devs, sizeof(ubtbcmfw_devs), uaa)); } /* ubtbcmfw_probe */ /* * Attach the device */ static int ubtbcmfw_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct ubtbcmfw_softc *sc = device_get_softc(dev); uint8_t iface_index; int error; sc->sc_udev = uaa->device; device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, "ubtbcmfw lock", NULL, MTX_DEF | MTX_RECURSE); iface_index = UBTBCMFW_IFACE_IDX; error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, ubtbcmfw_config, UBTBCMFW_N_TRANSFER, sc, &sc->sc_mtx); if (error != 0) { device_printf(dev, "allocating USB transfers failed. %s\n", usbd_errstr(error)); goto detach; } error = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx, &ubtbcmfw_fifo_methods, &sc->sc_fifo, device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex, UID_ROOT, GID_OPERATOR, 0644); if (error != 0) { device_printf(dev, "could not attach fifo. %s\n", usbd_errstr(error)); goto detach; } return (0); /* success */ detach: ubtbcmfw_detach(dev); return (ENXIO); /* failure */ } /* ubtbcmfw_attach */ /* * Detach the device */ static int ubtbcmfw_detach(device_t dev) { struct ubtbcmfw_softc *sc = device_get_softc(dev); usb_fifo_detach(&sc->sc_fifo); usbd_transfer_unsetup(sc->sc_xfer, UBTBCMFW_N_TRANSFER); mtx_destroy(&sc->sc_mtx); return (0); } /* ubtbcmfw_detach */ /* * USB write callback */ static void ubtbcmfw_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct ubtbcmfw_softc *sc = usbd_xfer_softc(xfer); struct usb_fifo *f = sc->sc_fifo.fp[USB_FIFO_TX]; struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: setup_next: pc = usbd_xfer_get_frame(xfer, 0); if (usb_fifo_get_data(f, pc, 0, usbd_xfer_max_len(xfer), &actlen, 0)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } break; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto setup_next; } break; } } /* ubtbcmfw_write_callback */ /* * USB read callback */ static void ubtbcmfw_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct ubtbcmfw_softc *sc = usbd_xfer_softc(xfer); struct usb_fifo *fifo = sc->sc_fifo.fp[USB_FIFO_RX]; struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pc = usbd_xfer_get_frame(xfer, 0); usb_fifo_put_data(fifo, pc, 0, actlen, 1); /* FALLTHROUGH */ case USB_ST_SETUP: setup_next: if (usb_fifo_put_bytes_max(fifo) > 0) { usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); } break; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto setup_next; } break; } } /* ubtbcmfw_read_callback */ /* * Called when we about to start read()ing from the device */ static void ubtbcmfw_start_read(struct usb_fifo *fifo) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); usbd_transfer_start(sc->sc_xfer[UBTBCMFW_INTR_DT_RD]); } /* ubtbcmfw_start_read */ /* * Called when we about to stop reading (i.e. closing fifo) */ static void ubtbcmfw_stop_read(struct usb_fifo *fifo) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); usbd_transfer_stop(sc->sc_xfer[UBTBCMFW_INTR_DT_RD]); } /* ubtbcmfw_stop_read */ /* * Called when we about to start write()ing to the device, poll()ing * for write or flushing fifo */ static void ubtbcmfw_start_write(struct usb_fifo *fifo) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); usbd_transfer_start(sc->sc_xfer[UBTBCMFW_BULK_DT_WR]); } /* ubtbcmfw_start_write */ /* * Called when we about to stop writing (i.e. closing fifo) */ static void ubtbcmfw_stop_write(struct usb_fifo *fifo) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); usbd_transfer_stop(sc->sc_xfer[UBTBCMFW_BULK_DT_WR]); } /* ubtbcmfw_stop_write */ /* * Called when fifo is open */ static int ubtbcmfw_open(struct usb_fifo *fifo, int fflags) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); struct usb_xfer *xfer; /* * f_open fifo method can only be called with either FREAD * or FWRITE flag set at one time. */ if (fflags & FREAD) xfer = sc->sc_xfer[UBTBCMFW_INTR_DT_RD]; else if (fflags & FWRITE) xfer = sc->sc_xfer[UBTBCMFW_BULK_DT_WR]; else return (EINVAL); /* should not happen */ if (usb_fifo_alloc_buffer(fifo, usbd_xfer_max_len(xfer), UBTBCMFW_IFQ_MAXLEN) != 0) return (ENOMEM); return (0); } /* ubtbcmfw_open */ /* * Called when fifo is closed */ static void ubtbcmfw_close(struct usb_fifo *fifo, int fflags) { if (fflags & (FREAD | FWRITE)) usb_fifo_free_buffer(fifo); } /* ubtbcmfw_close */ /* * Process ioctl() on USB device */ static int ubtbcmfw_ioctl(struct usb_fifo *fifo, u_long cmd, void *data, int fflags) { struct ubtbcmfw_softc *sc = usb_fifo_softc(fifo); int error = 0; switch (cmd) { case USB_GET_DEVICE_DESC: memcpy(data, usbd_get_device_descriptor(sc->sc_udev), sizeof(struct usb_device_descriptor)); break; default: error = EINVAL; break; } return (error); } /* ubtbcmfw_ioctl */
Upload File
Create Folder