323 lines
8.5 KiB
C
323 lines
8.5 KiB
C
/* $NetBSD: ubtbcmfw.c,v 1.4 2002/08/24 17:58:15 augustss Exp $ */
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/*
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson <lennart@augustsson.net>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ubtbcmfw.c,v 1.4 2002/08/24 17:58:15 augustss Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/namei.h>
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#include <sys/vnode.h>
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#include <sys/proc.h>
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#include <sys/fcntl.h>
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#include <sys/sysctl.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/ubtbcmfw.h>
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/*
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* Download firmware to BCM2033.
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*/
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#define CONFIG_NO 1
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#define IFACE_IDX 0 /* Control interface */
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/* Fixed endpoints */
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#define INTR_IN_EP 0x81
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#define BULK_OUT_EP 0x02
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Static char ubtbcmfw_fwpath[128] = "/usr/libdata/firmware/bcm2033";
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#define MINI_DRIVER "BCM2033-MD.hex"
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#define FIRMWARE "BCM2033-FW.bin"
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struct ubtbcmfw_softc {
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USBBASEDEVICE sc_dev; /* base device */
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};
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Static int
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ubtbcmfw_load_file(usbd_device_handle dev, usbd_pipe_handle out,
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const char *filename);
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Static usbd_status
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ubtbcmfw_write(usbd_device_handle dev, usbd_pipe_handle out,
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char *buf, uint count);
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Static usbd_status
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ubtbcmfw_read(usbd_device_handle dev, usbd_pipe_handle in,
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char *buf, uint *count);
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USB_DECLARE_DRIVER(ubtbcmfw);
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USB_MATCH(ubtbcmfw)
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{
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USB_MATCH_START(ubtbcmfw, uaa);
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if (uaa->iface != NULL)
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return (UMATCH_NONE);
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/* Match the boot device. */
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if (uaa->vendor == USB_VENDOR_BROADCOM &&
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uaa->product == USB_PRODUCT_BROADCOM_BCM2033NF)
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return (UMATCH_VENDOR_PRODUCT);
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return (UMATCH_NONE);
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}
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USB_ATTACH(ubtbcmfw)
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{
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USB_ATTACH_START(ubtbcmfw, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usbd_interface_handle iface;
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usbd_status err;
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char devinfo[1024];
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char name[256];
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char buf[16];
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usbd_pipe_handle intr_in_pipe;
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usbd_pipe_handle bulk_out_pipe;
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uint n;
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usbd_devinfo(dev, 0, devinfo);
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USB_ATTACH_SETUP;
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printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
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err = usbd_set_config_no(dev, CONFIG_NO, 1);
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if (err) {
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printf("%s: setting config no failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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err = usbd_device2interface_handle(dev, IFACE_IDX, &iface);
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if (err) {
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printf("%s: getting interface handle failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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/* Will be used as a bulk pipe. */
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err = usbd_open_pipe(iface, INTR_IN_EP, 0, &intr_in_pipe);
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if (err) {
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printf("%s: open bulk in failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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err = usbd_open_pipe(iface, BULK_OUT_EP, 0, &bulk_out_pipe);
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if (err) {
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printf("%s: open bulk in failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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printf("%s: downloading firmware\n", USBDEVNAME(sc->sc_dev));
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snprintf(name, sizeof name, "%s/%s", ubtbcmfw_fwpath, MINI_DRIVER);
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err = ubtbcmfw_load_file(dev, bulk_out_pipe, name);
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if (err) {
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printf("%s: loading mini-driver failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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usbd_delay_ms(dev, 1);
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err = ubtbcmfw_write(dev, bulk_out_pipe, "#", 1);
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if (err) {
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printf("%s: write # failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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buf[0] = 0;
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n = 10;
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err = ubtbcmfw_read(dev, intr_in_pipe, buf, &n);
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if (err) {
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printf("%s: read # failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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if (buf[0] != '#') {
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printf("%s: memory select failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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snprintf(name, sizeof name, "%s/%s", ubtbcmfw_fwpath, FIRMWARE);
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err = ubtbcmfw_load_file(dev, bulk_out_pipe, name);
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if (err) {
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printf("%s: loading firmware failed\n",
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USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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n = 10;
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err = ubtbcmfw_read(dev, intr_in_pipe, buf, &n);
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if (err) {
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printf("%s: read . failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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if (buf[0] != '.') {
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printf("%s: firmware load failed\n", USBDEVNAME(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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}
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usbd_close_pipe(intr_in_pipe);
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usbd_close_pipe(bulk_out_pipe);
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printf("%s: firmware download complete\n",
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USBDEVNAME(sc->sc_dev));
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usbd_delay_ms(dev, 500);
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USB_ATTACH_SUCCESS_RETURN;
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}
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USB_DETACH(ubtbcmfw)
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{
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/*USB_DETACH_START(ubtbcmfw, sc);*/
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return (0);
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}
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int
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ubtbcmfw_activate(device_ptr_t self, enum devact act)
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{
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return 0;
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}
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Static int
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ubtbcmfw_load_file(usbd_device_handle dev, usbd_pipe_handle out,
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const char *filename)
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{
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struct proc *p = curproc;
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struct nameidata nd;
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struct vnode *vp;
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size_t resid, offs, size;
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int error;
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char buf[1024];
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struct timeval delta;
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, filename, p);
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/* Loop until we are well passed boot */
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for (;;) {
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error = vn_open(&nd, FREAD, 0);
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if (!error)
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break;
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timersub(&boottime, &time, &delta);
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if (delta.tv_sec > 60)
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break;
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printf("ubtbcmfw_load_file: waiting for firmware file\n");
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if (tsleep(buf, PZERO, "ubtbcmfw", hz * 5) != EWOULDBLOCK)
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break;
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}
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if (error)
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return (error);
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vp = nd.ni_vp;
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VOP_UNLOCK(vp, 0);
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if (nd.ni_vp->v_type != VREG) {
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error = EACCES;
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goto out;
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}
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for (offs = 0; ; offs += size) {
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size = sizeof buf;
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error = vn_rdwr(UIO_READ, vp, buf, size, offs, UIO_SYSSPACE,
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IO_NODELOCKED | IO_SYNC, p->p_ucred, &resid, p);
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size -= resid;
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if (error || size == 0)
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break;
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if (ubtbcmfw_write(dev, out, buf, size)) {
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error = EIO;
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break;
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}
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}
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out:
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vn_close(vp, FREAD, p->p_ucred, p);
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return error;
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}
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Static usbd_status
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ubtbcmfw_write(usbd_device_handle dev, usbd_pipe_handle out,
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char *buf, uint count)
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{
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usbd_xfer_handle xfer;
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usbd_status err;
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uint n;
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xfer = usbd_alloc_xfer(dev);
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if (xfer == NULL)
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return (USBD_NOMEM);
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n = count;
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err = usbd_bulk_transfer(xfer, out, 0, USBD_DEFAULT_TIMEOUT,
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buf, &n, "ubtfwr");
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usbd_free_xfer(xfer);
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return (err);
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}
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Static usbd_status
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ubtbcmfw_read(usbd_device_handle dev, usbd_pipe_handle in,
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char *buf, uint *count)
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{
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usbd_xfer_handle xfer;
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usbd_status err;
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xfer = usbd_alloc_xfer(dev);
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if (xfer == NULL)
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return (USBD_NOMEM);
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err = usbd_bulk_transfer(xfer, in, USBD_SHORT_XFER_OK,
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USBD_DEFAULT_TIMEOUT, buf, count, "ubtfrd");
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usbd_free_xfer(xfer);
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return (err);
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}
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int
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hw_dev_ubtbcmfw_sysctl(int *name, u_int nlen, void *oldp,
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size_t *oldlenp, void *newp, size_t newlen, struct proc *p)
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{
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int error;
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/* Must be super user. */
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error = suser(p->p_ucred, &p->p_acflag);
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if (error)
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return error;
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/* all sysctl names at this level are terminal */
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if (nlen != 1)
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return (ENOTDIR); /* overloaded */
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switch (name[0]) {
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case HW_DEV_UBTBCMFW_FWPATH:
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return sysctl_string(oldp, oldlenp, newp, newlen,
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ubtbcmfw_fwpath, sizeof(ubtbcmfw_fwpath));
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default:
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return EOPNOTSUPP;
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}
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}
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