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/*-
* Copyright (c) 2006 Sam Leffler, Errno Consulting
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*
* $FreeBSD$
*/
/*
* Atheros AR5523 USB Station Firmware downloader.
*
* uathload -d ugen-device [firmware-file]
*
* Intended to be called from devd on device discovery.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/endian.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <dev/usb/usb.h>
#include <dev/usb/usb_ioctl.h>
#include <err.h>
#include <fcntl.h>
#include <libgen.h>
#include <paths.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
/* all fields are big endian */
struct uath_fwmsg {
uint32_t flags;
#define UATH_WRITE_BLOCK (1 << 4)
uint32_t len;
#define UATH_MAX_FWBLOCK_SIZE 2048
uint32_t total;
uint32_t remain;
uint32_t rxtotal;
uint32_t pad[123];
} __packed;
#define UATH_DATA_TIMEOUT 10000
#define UATH_CMD_TIMEOUT 1000
#define VERBOSE(_fmt, ...) do { \
if (verbose) { \
printf(_fmt, __VA_ARGS__); \
fflush(stdout); \
} \
} while (0)
extern uint8_t _binary_ar5523_bin_start;
extern uint8_t _binary_ar5523_bin_end;
static int
getdevname(const char *devname, char *msgdev, char *datadev)
{
char *bn, *dn;
dn = dirname(devname);
if (dn == NULL)
return (-1);
bn = basename(devname);
if (bn == NULL || strncmp(bn, "ugen", 4))
return (-1);
bn += 4;
/* NB: pipes are hardcoded */
snprintf(msgdev, 256, "%s/usb/%s.1", dn, bn);
snprintf(datadev, 256, "%s/usb/%s.2", dn, bn);
return (0);
}
static void
usage(void)
{
errx(-1, "usage: uathload [-v] -d devname [firmware]");
}
int
main(int argc, char *argv[])
{
const char *fwname, *devname;
char msgdev[256], datadev[256];
struct uath_fwmsg txmsg, rxmsg;
char *txdata;
struct stat sb;
int msg, data, fw, timeout, b, c;
int bufsize = 512, verbose = 0;
ssize_t len;
devname = NULL;
while ((c = getopt(argc, argv, "d:v")) != -1) {
switch (c) {
case 'd':
devname = optarg;
break;
case 'v':
verbose = 1;
break;
default:
usage();
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
if (devname == NULL)
errx(-1, "No device name; use -d to specify the ugen device");
if (argc > 1)
usage();
if (argc == 1) {
fwname = argv[0];
fw = open(fwname, O_RDONLY, 0);
if (fw < 0)
err(-1, "open(%s)", fwname);
if (fstat(fw, &sb) < 0)
err(-1, "fstat(%s)", fwname);
txdata = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fw, 0);
if (txdata == MAP_FAILED)
err(-1, "mmap(%s)", fwname);
len = sb.st_size;
} else {
fwname = "ar5523.bin (builtin)";
fw = -1;
txdata = &_binary_ar5523_bin_start;
len = &_binary_ar5523_bin_end - &_binary_ar5523_bin_start;
}
/* XXX verify device is an AR5005 part */
if (getdevname(devname, msgdev, datadev))
err(-1, "getdevname error");
msg = open(msgdev, O_RDWR, 0);
if (msg < 0)
err(-1, "open(%s)", msgdev);
timeout = UATH_DATA_TIMEOUT;
if (ioctl(msg, USB_SET_RX_TIMEOUT, &timeout) < 0)
err(-1, "%s: USB_SET_RX_TIMEOUT(%u)", msgdev, UATH_DATA_TIMEOUT);
if (ioctl(msg, USB_SET_RX_BUFFER_SIZE, &bufsize) < 0)
err(-1, "%s: USB_SET_RX_BUFFER_SIZE(%u)", msgdev, bufsize);
data = open(datadev, O_WRONLY, 0);
if (data < 0)
err(-1, "open(%s)", datadev);
timeout = UATH_DATA_TIMEOUT;
if (ioctl(data, USB_SET_TX_TIMEOUT, &timeout) < 0)
err(-1, "%s: USB_SET_TX_TIMEOUT(%u)", datadev,
UATH_DATA_TIMEOUT);
VERBOSE("Load firmware %s to %s\n", fwname, devname);
bzero(&txmsg, sizeof (struct uath_fwmsg));
txmsg.flags = htobe32(UATH_WRITE_BLOCK);
txmsg.total = htobe32(len);
b = 0;
while (len > 0) {
int mlen;
mlen = len;
if (mlen > UATH_MAX_FWBLOCK_SIZE)
mlen = UATH_MAX_FWBLOCK_SIZE;
txmsg.remain = htobe32(len - mlen);
txmsg.len = htobe32(mlen);
/* send firmware block meta-data */
VERBOSE("send block %2u: %zd bytes remaining", b, len - mlen);
if (write(msg, &txmsg, sizeof(txmsg)) != sizeof(txmsg)) {
VERBOSE("%s", "\n");
err(-1, "error sending msg (%s)", msgdev);
break;
}
/* send firmware block data */
VERBOSE("%s", "\n : data...");
if (write(data, txdata, mlen) != mlen) {
VERBOSE("%s", "\n");
err(-1, "error sending data (%s)", datadev);
break;
}
/* wait for ack from firmware */
VERBOSE("%s", "\n : wait for ack...");
bzero(&rxmsg, sizeof(rxmsg));
if (read(msg, &rxmsg, sizeof(rxmsg)) != sizeof(rxmsg)) {
VERBOSE("%s", "\n");
err(-1, "error reading msg (%s)", msgdev);
break;
}
VERBOSE("flags=0x%x total=%d\n",
be32toh(rxmsg.flags), be32toh(rxmsg.rxtotal));
len -= mlen;
txdata += mlen;
b++;
}
sleep(1);
close(fw);
close(msg);
close(data);
return 0;
}
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