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[src/trunk]: src/sys/dev/usb Add driver to load Atheros AR3011 USB Bluetooth ...
details: https://anonhg.NetBSD.org/src/rev/1e8c9c4bea40
branches: trunk
changeset: 767595:1e8c9c4bea40
user: jakllsch <jakllsch%NetBSD.org@localhost>
date: Sat Jul 23 20:52:15 2011 +0000
description:
Add driver to load Atheros AR3011 USB Bluetooth interface firmware.
diffstat:
sys/dev/usb/aubtfwl.c | 190 ++++++++++++++++++++++++++++++++++++++++++++++++++
sys/dev/usb/files.usb | 7 +-
2 files changed, 196 insertions(+), 1 deletions(-)
diffs (215 lines):
diff -r dd91d5cbcf7f -r 1e8c9c4bea40 sys/dev/usb/aubtfwl.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/usb/aubtfwl.c Sat Jul 23 20:52:15 2011 +0000
@@ -0,0 +1,190 @@
+/* $NetBSD: aubtfwl.c,v 1.1 2011/07/23 20:52:15 jakllsch Exp $ */
+
+/*
+ * Copyright (c) 2011 Jonathan A. Kollasch
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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>
+__KERNEL_RCSID(0, "$NetBSD: aubtfwl.c,v 1.1 2011/07/23 20:52:15 jakllsch Exp $");
+
+#include <sys/param.h>
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/firmload.h>
+
+#define AR3K_FIRMWARE_HEADER_SIZE 20
+#define AR3K_FIRMWARE_CHUNK_SIZE 4096
+
+static int aubtfwl_match(device_t, cfdata_t, void *);
+static void aubtfwl_attach(device_t, device_t, void *);
+static int aubtfwl_detach(device_t, int);
+static void aubtfwl_attach_hook(device_t);
+
+struct aubtfwl_softc {
+ usbd_device_handle sc_udev;
+};
+
+CFATTACH_DECL_NEW(aubtfwl, sizeof(struct aubtfwl_softc), aubtfwl_match, aubtfwl_attach, aubtfwl_detach, NULL);
+
+static int
+aubtfwl_match(device_t parent, cfdata_t match, void *aux)
+{
+ const struct usb_attach_arg * const uaa = aux;
+
+ if (uaa->vendor == USB_VENDOR_ATHEROS2 &&
+ uaa->product == USB_PRODUCT_ATHEROS2_AR3011)
+ return UMATCH_VENDOR_PRODUCT;
+
+ return UMATCH_NONE;
+}
+
+static void
+aubtfwl_attach(device_t parent, device_t self, void *aux)
+{
+ const struct usb_attach_arg * const uaa = aux;
+ struct aubtfwl_softc * const sc = device_private(self);
+ aprint_naive("\n");
+ aprint_normal("\n");
+ sc->sc_udev = uaa->device;
+
+ config_mountroot(self, aubtfwl_attach_hook);
+}
+
+static int
+aubtfwl_detach(device_t self, int flags)
+{
+ struct aubtfwl_softc * const sc = device_private(self);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, self);
+
+ return 0;
+}
+
+static void
+aubtfwl_attach_hook(device_t self)
+{
+ struct aubtfwl_softc * const sc = device_private(self);
+ usbd_interface_handle iface;
+ usbd_pipe_handle pipe;
+ usbd_xfer_handle xfer;
+ void *buf;
+ usb_device_request_t req;
+ int error;
+ firmware_handle_t fwh;
+ size_t fws;
+ size_t fwo = 0;
+ uint32_t n;
+
+ memset(&req, 0, sizeof(req));
+
+ error = firmware_open("ubt", "ath3k-1.fw", &fwh); /* XXX revisit name */
+ if (error != 0) {
+ aprint_error_dev(self, "ath3k-1.fw open fail %d\n", error);
+ return;
+ }
+ fws = firmware_get_size(fwh);
+
+ error = usbd_set_config_no(sc->sc_udev, 1, 0);
+ if (error != 0) {
+ aprint_error_dev(self, "could not set configuration no\n");
+ goto out_firmware;
+ }
+
+ error = usbd_device2interface_handle(sc->sc_udev, 0, &iface);
+ if (error) {
+ aprint_error_dev(self, "failed to get interface, %s\n",
+ usbd_errstr(error));
+ goto out_firmware;
+ }
+
+ error = usbd_open_pipe(iface, UE_DIR_OUT|2, USBD_EXCLUSIVE_USE, &pipe);
+ if (error) {
+ aprint_error_dev(self, "failed to open pipe, %s\n",
+ usbd_errstr(error));
+ goto out_firmware;
+ }
+
+ xfer = usbd_alloc_xfer(sc->sc_udev);
+ if (xfer == NULL) {
+ aprint_error_dev(self, "failed to alloc xfer\n");
+ goto out_pipe;
+ }
+
+ buf = usbd_alloc_buffer(xfer, 4096);
+ if (buf == NULL) {
+ aprint_error_dev(self, "failed to alloc buffer\n");
+ goto out_xfer;
+ }
+
+ error = firmware_read(fwh, fwo, buf, AR3K_FIRMWARE_HEADER_SIZE);
+ if (error != 0) {
+ aprint_error_dev(self, "firmware_read failed %d\n", error);
+ goto out_xfer;
+ }
+
+ req.bRequest = 1;
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, 0);
+ USETW(req.wLength, AR3K_FIRMWARE_HEADER_SIZE);
+
+ aprint_verbose_dev(self, "beginning firmware load\n");
+
+ error = usbd_do_request(sc->sc_udev, &req, buf);
+ if (error != 0) {
+ aprint_error_dev(self, "%s\n", usbd_errstr(error));
+ return;
+ }
+ fwo = AR3K_FIRMWARE_HEADER_SIZE;
+
+ while (fwo < fws) {
+ n = min(AR3K_FIRMWARE_CHUNK_SIZE, fws - fwo);
+ error = firmware_read(fwh, fwo, buf, n);
+ if (error != 0) {
+ break;;
+ }
+ error = usbd_bulk_transfer(xfer, pipe,
+ USBD_NO_COPY, USBD_DEFAULT_TIMEOUT,
+ buf, &n, device_xname(self));
+ if (error != USBD_NORMAL_COMPLETION) {
+ aprint_error_dev(self, "xfer failed, %s\n",
+ usbd_errstr(error));
+ break;;
+ }
+ fwo += n;
+ }
+ aprint_verbose_dev(self, "firmware load complete\n");
+
+out_xfer:
+ usbd_free_xfer(xfer);
+out_pipe:
+ usbd_close_pipe(pipe);
+out_firmware:
+ firmware_close(fwh);
+
+ return;
+}
diff -r dd91d5cbcf7f -r 1e8c9c4bea40 sys/dev/usb/files.usb
--- a/sys/dev/usb/files.usb Sat Jul 23 20:45:15 2011 +0000
+++ b/sys/dev/usb/files.usb Sat Jul 23 20:52:15 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.usb,v 1.111 2011/07/23 20:45:15 jakllsch Exp $
+# $NetBSD: files.usb,v 1.112 2011/07/23 20:52:15 jakllsch Exp $
#
# Config file and device description for machine-independent USB code.
# Included by ports that need it. Ports that use it must provide
@@ -139,6 +139,11 @@
attach ubt at usbdevif
file dev/usb/ubt.c ubt
+# Atheros USB Bluetooth firmware load
+device aubtfwl: firmload
+attach aubtfwl at usbdevif
+file dev/usb/aubtfwl.c aubtfwl
+
#
# Capture devices
#
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