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-rw-r--r--tools/avctrl.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/tools/avctrl.c b/tools/avctrl.c
new file mode 100644
index 00000000..120a382f
--- /dev/null
+++ b/tools/avctrl.c
@@ -0,0 +1,233 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ * CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ * COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ * SOFTWARE IS DISCLAIMED.
+ *
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <string.h>
+#include <getopt.h>
+
+#include <usb.h>
+
+#ifdef NEED_USB_GET_BUSSES
+static inline struct usb_bus *usb_get_busses(void)
+{
+ return usb_busses;
+}
+#endif
+
+#ifndef USB_DIR_OUT
+#define USB_DIR_OUT 0x00
+#endif
+
+#ifndef USB_DIR_IN
+#define USB_DIR_IN 0x80
+#endif
+
+#define HID_REQ_GET_REPORT 0x01
+#define HID_REQ_GET_IDLE 0x02
+#define HID_REQ_GET_PROTOCOL 0x03
+#define HID_REQ_SET_REPORT 0x09
+#define HID_REQ_SET_IDLE 0x0a
+#define HID_REQ_SET_PROTOCOL 0x0b
+
+struct device_info;
+
+struct device_id {
+ uint16_t vendor;
+ uint16_t product;
+ int (*func)(struct device_info *dev);
+};
+
+struct device_info {
+ struct usb_device *dev;
+ struct device_id *id;
+};
+
+#define GET_STATE 0x01
+#define GET_REMOTE_BDADDR 0x02
+#define DISCOVER 0x03
+#define SWITCH_TO_DFU 0x04
+#define READ_CODEC 0x05
+
+static int dongle_csr(struct device_info *devinfo)
+{
+ unsigned char buf[8];
+ struct usb_dev_handle *udev;
+ int err, intf = 2;
+
+ udev = usb_open(devinfo->dev);
+ if (!udev)
+ return -errno;
+
+ if (usb_claim_interface(udev, intf) < 0) {
+ err = -errno;
+ usb_close(udev);
+ return err;
+ }
+
+ memset(buf, 0, sizeof(buf));
+ buf[0] = SWITCH_TO_DFU;
+
+ err = usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ HID_REQ_SET_REPORT, 0x03 << 8, intf, buf, sizeof(buf), 10000);
+
+ if (err == 0) {
+ err = -1;
+ errno = EALREADY;
+ } else {
+ if (errno == ETIMEDOUT)
+ err = 0;
+ }
+
+ usb_release_interface(udev, intf);
+ usb_close(udev);
+
+ return err;
+}
+
+static struct device_id device_list[] = {
+ { 0x0a12, 0x1004, dongle_csr },
+ { -1 }
+};
+
+static struct device_id *match_device(uint16_t vendor, uint16_t product)
+{
+ int i;
+
+ for (i = 0; device_list[i].func; i++) {
+ if (vendor == device_list[i].vendor &&
+ product == device_list[i].product)
+ return &device_list[i];
+ }
+
+ return NULL;
+}
+
+static int find_devices(struct device_info *devinfo, size_t size)
+{
+ struct usb_bus *bus;
+ struct usb_device *dev;
+ struct device_id *id;
+ int count = 0;
+
+ usb_find_busses();
+ usb_find_devices();
+
+ for (bus = usb_get_busses(); bus; bus = bus->next)
+ for (dev = bus->devices; dev; dev = dev->next) {
+ id = match_device(dev->descriptor.idVendor,
+ dev->descriptor.idProduct);
+ if (!id)
+ continue;
+
+ if (count < size) {
+ devinfo[count].dev = dev;
+ devinfo[count].id = id;
+ count++;
+ }
+ }
+
+ return count;
+}
+
+static void usage(void)
+{
+ printf("avctrl - Bluetooth Audio/Video control utility\n\n");
+
+ printf("Usage:\n"
+ "\tavctrl [options]\n"
+ "\n");
+
+ printf("Options:\n"
+ "\t-h, --help Display help\n"
+ "\t-q, --quiet Don't display any messages\n"
+ "\n");
+}
+
+static struct option main_options[] = {
+ { "help", 0, 0, 'h' },
+ { "quiet", 0, 0, 'q' },
+ { 0, 0, 0, 0 }
+};
+
+int main(int argc, char *argv[])
+{
+ struct device_info dev[16];
+ int i, opt, num, quiet = 0;
+
+ while ((opt = getopt_long(argc, argv, "+qh", main_options, NULL)) != -1) {
+ switch (opt) {
+ case 'q':
+ quiet = 1;
+ break;
+ case 'h':
+ usage();
+ exit(0);
+ default:
+ exit(0);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ optind = 0;
+
+ usb_init();
+
+ num = find_devices(dev, sizeof(dev) / sizeof(dev[0]));
+ if (num <= 0) {
+ if (!quiet)
+ fprintf(stderr, "No Audio/Video devices found\n");
+ exit(1);
+ }
+
+ for (i = 0; i < num; i++) {
+ struct device_id *id = dev[i].id;
+
+ if (!quiet)
+ printf("Switching device %04x:%04x ",
+ id->vendor, id->product);
+ fflush(stdout);
+
+ if (id->func(&dev[i]) < 0) {
+ if (!quiet)
+ printf("failed (%s)\n", strerror(errno));
+ } else {
+ if (!quiet)
+ printf("was successful\n");
+ }
+ }
+
+ return 0;
+}