Add Audio/Video control utility

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;
+}