/* * *  BlueZ - Bluetooth protocol stack for Linux * *  Copyright (C) 2004-2008  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 as published by *  the Free Software Foundation; either version 2 of the License, or *  (at your option) any later version. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA * */#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_BUSSESstatic 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	0x0bstruct device_info;struct device_id {	uint16_t vendor;	uint16_t product;	int (*func)(struct device_info *dev, int argc, char *argv[]);};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		0x05static int dongle_csr(struct device_info *devinfo, int argc, char *argv[]){	char buf[8];	struct usb_dev_handle *udev;	int err, intf = 2;	memset(buf, 0, sizeof(buf));	if (!strncasecmp(argv[0], "discover", 4))		buf[0] = DISCOVER;	else if (!strncasecmp(argv[0], "switch", 3))		buf[0] = SWITCH_TO_DFU;	else if (!strncasecmp(argv[0], "dfu", 3))		buf[0] = SWITCH_TO_DFU;	else		return -EINVAL;	udev = usb_open(devinfo->dev);	if (!udev)		return -errno;	if (usb_claim_interface(udev, intf) < 0) {		err = -errno;		usb_close(udev);		return err;	}	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] <command>\n"		"\n");	printf("Options:\n"		"\t-h, --help           Display help\n"		"\t-q, --quiet          Don't display any messages\n"		"\n");	printf("Commands:\n"		"\tdiscover         Simulate pressing the discover button\n"		"\tswitch           Switch the dongle to DFU mode\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;	if (argc < 1) {		usage();		exit(1);	}	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;		int err;		if (!quiet)			printf("Selecting device %04x:%04x ",						id->vendor, id->product);		fflush(stdout);		err = id->func(&dev[i], argc, argv);		if (err < 0) {			if (!quiet)				printf("failed (%s)\n", strerror(-err));		} else {			if (!quiet)				printf("was successful\n");		}	}	return 0;}