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fb522624d3
This is required for ar3k series bluetooth devices who need firmware but have a different vendor ID than normal. Reviewed by: maksim
298 lines
6.8 KiB
C
298 lines
6.8 KiB
C
/*
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* ath3kfw.c
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*/
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/*-
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* Copyright (c) 2010 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <libusb20_desc.h>
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#include <libusb20.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#define ATH3KFW "ath3kfw"
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#define ATH3KFW_VENDOR_ID 0x0cf3
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#define ATH3KFW_PRODUCT_ID 0x3000
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#define ATH3KFW_FW "/usr/local/etc/ath3k-1.fw"
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#define ATH3KFW_BULK_EP 0x02
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#define ATH3KFW_REQ_DFU_DNLOAD 1
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#define ATH3KFW_MAX_BSIZE 4096
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static int parse_ugen_name (char const *ugen, uint8_t *bus,
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uint8_t *addr);
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static int find_device (struct libusb20_backend *be,
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uint8_t bus, uint8_t addr,
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struct libusb20_device **dev);
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static int download_firmware (struct libusb20_device *dev,
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char const *firmware);
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static void usage (void);
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static int vendor_id = ATH3KFW_VENDOR_ID;
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static int product_id = ATH3KFW_PRODUCT_ID;
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/*
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* Firmware downloader for Atheros AR3011 based USB Bluetooth devices
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*/
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int
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main(int argc, char **argv)
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{
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uint8_t bus, addr;
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char const *firmware;
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struct libusb20_backend *be;
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struct libusb20_device *dev;
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int n;
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openlog(ATH3KFW, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_USER);
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bus = 0;
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addr = 0;
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firmware = ATH3KFW_FW;
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while ((n = getopt(argc, argv, "d:f:hp:v:")) != -1) {
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switch (n) {
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case 'd': /* ugen device name */
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if (parse_ugen_name(optarg, &bus, &addr) < 0)
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usage();
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break;
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case 'f': /* firmware file */
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firmware = optarg;
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break;
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case 'p': /* product id */
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product_id = strtol(optarg, NULL, 0);
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break;
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case 'v': /* vendor id */
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vendor_id = strtol(optarg, NULL, 0);
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break;
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case 'h':
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default:
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usage();
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break;
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/* NOT REACHED */
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}
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}
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be = libusb20_be_alloc_default();
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if (be == NULL) {
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syslog(LOG_ERR, "libusb20_be_alloc_default() failed");
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return (-1);
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}
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if (find_device(be, bus, addr, &dev) < 0) {
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syslog(LOG_ERR, "ugen%d.%d is not recognized as " \
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"Atheros AR3011 based device " \
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"(possibly caused by lack of permissions)", bus, addr);
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return (-1);
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}
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if (download_firmware(dev, firmware) < 0) {
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syslog(LOG_ERR, "could not download %s firmare to ugen%d.%d",
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firmware, bus, addr);
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return (-1);
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}
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libusb20_be_free(be);
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closelog();
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return (0);
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}
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/*
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* Parse ugen name and extract device's bus and address
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*/
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static int
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parse_ugen_name(char const *ugen, uint8_t *bus, uint8_t *addr)
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{
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char *ep;
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if (strncmp(ugen, "ugen", 4) != 0)
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return (-1);
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*bus = (uint8_t) strtoul(ugen + 4, &ep, 10);
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if (*ep != '.')
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return (-1);
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*addr = (uint8_t) strtoul(ep + 1, &ep, 10);
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if (*ep != '\0')
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return (-1);
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return (0);
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}
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/*
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* Find USB device
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*/
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static int
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find_device(struct libusb20_backend *be, uint8_t bus, uint8_t addr,
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struct libusb20_device **dev)
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{
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struct LIBUSB20_DEVICE_DESC_DECODED *desc;
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*dev = NULL;
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while ((*dev = libusb20_be_device_foreach(be, *dev)) != NULL) {
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if (libusb20_dev_get_bus_number(*dev) != bus ||
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libusb20_dev_get_address(*dev) != addr)
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continue;
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desc = libusb20_dev_get_device_desc(*dev);
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if (desc == NULL)
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continue;
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if (desc->idVendor != vendor_id ||
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desc->idProduct != product_id)
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continue;
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break;
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}
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return ((*dev == NULL)? -1 : 0);
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}
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/*
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* Download firmware
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*/
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static int
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download_firmware(struct libusb20_device *dev, char const *firmware)
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{
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struct libusb20_transfer *bulk;
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struct LIBUSB20_CONTROL_SETUP_DECODED req;
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int fd, n, error;
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uint8_t buf[ATH3KFW_MAX_BSIZE];
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error = -1;
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if (libusb20_dev_open(dev, 1) != 0) {
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syslog(LOG_ERR, "libusb20_dev_open() failed");
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return (error);
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}
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if ((bulk = libusb20_tr_get_pointer(dev, 0)) == NULL) {
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syslog(LOG_ERR, "libusb20_tr_get_pointer() failed");
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goto out;
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}
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if (libusb20_tr_open(bulk, ATH3KFW_MAX_BSIZE, 1, ATH3KFW_BULK_EP) != 0) {
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syslog(LOG_ERR, "libusb20_tr_open(%d, 1, %d) failed",
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ATH3KFW_MAX_BSIZE, ATH3KFW_BULK_EP);
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goto out;
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}
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if ((fd = open(firmware, O_RDONLY)) < 0) {
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syslog(LOG_ERR, "open(%s) failed. %s",
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firmware, strerror(errno));
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goto out1;
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}
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n = read(fd, buf, 20);
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if (n != 20) {
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syslog(LOG_ERR, "read(%s, 20) failed. %s",
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firmware, strerror(errno));
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goto out2;
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}
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LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &req);
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req.bmRequestType = LIBUSB20_REQUEST_TYPE_VENDOR;
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req.bRequest = ATH3KFW_REQ_DFU_DNLOAD;
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req.wLength = 20;
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if (libusb20_dev_request_sync(dev, &req, buf, NULL, 5000, 0) != 0) {
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syslog(LOG_ERR, "libusb20_dev_request_sync() failed");
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goto out2;
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}
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for (;;) {
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n = read(fd, buf, sizeof(buf));
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if (n < 0) {
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syslog(LOG_ERR, "read(%s, %d) failed. %s",
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firmware, (int) sizeof(buf), strerror(errno));
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goto out2;
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}
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if (n == 0)
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break;
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libusb20_tr_setup_bulk(bulk, buf, n, 3000);
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libusb20_tr_start(bulk);
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while (libusb20_dev_process(dev) == 0) {
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if (libusb20_tr_pending(bulk) == 0)
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break;
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libusb20_dev_wait_process(dev, -1);
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}
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if (libusb20_tr_get_status(bulk) != 0) {
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syslog(LOG_ERR, "bulk transfer failed with status %d",
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libusb20_tr_get_status(bulk));
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goto out2;
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}
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}
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error = 0;
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out2:
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close(fd);
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out1:
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libusb20_tr_close(bulk);
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out:
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libusb20_dev_close(dev);
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return (error);
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}
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/*
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* Display usage and exit
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*/
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static void
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usage(void)
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{
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printf(
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"Usage: %s -d ugenX.Y -f firmware_file\n"
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"Usage: %s -h\n" \
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"Where:\n" \
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"\t-d ugenX.Y ugen device name\n" \
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"\t-f firmware image firmware image file name for download\n" \
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"\t-v vendor_id vendor id\n" \
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"\t-p vendor_id product id\n" \
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"\t-h display this message\n", ATH3KFW, ATH3KFW);
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exit(255);
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}
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