usr.sbin/btattach/init_bgb2xx.c

   1 /*      $NetBSD: init_bgb2xx.c$ */
   2
   3 /*-
   4  * Copyright (c) 2008 Iain Hibbert
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * init information in this file gleaned from hciattach(8)
  30  * command from BlueZ for Linux - see http://www.bluez.org/
  31  */
  32
  33 #include <sys/cdefs.h>
  34 __RCSID("$NetBSD: init_bgb2xx.c$");
  35
  36 #include <bluetooth.h>
  37 #include <errno.h>
  38 #include <stdlib.h>
  39 #include <termios.h>
  40
  41 #include "btattach.h"
  42
  43 #define HCI_CMD_ERICSSON_READ_REVISION_INFORMATION      \
  44         HCI_OPCODE(HCI_OGF_VENDOR, 0x00f)
  45
  46 #define HCI_CMD_ST_STORE_IN_NVDS                        \
  47         HCI_OPCODE(HCI_OGF_VENDOR, 0x022)
  48
  49 typedef struct {
  50         uint8_t         d0;     /* ? */
  51         uint8_t         d1;     /* ? */
  52         bdaddr_t        bdaddr;
  53 } __attribute__ ((__packed__)) hci_store_in_nvds_cp;
  54
  55 static const char *default_bdaddr = "bd:b2:10:00:ab:ba";
  56
  57 void
  58 init_bgb2xx(int fd, unsigned int speed)
  59 {
  60         hci_store_in_nvds_cp cp;
  61
  62         /* bluez also reads revision information from device */
  63
  64         /* don't seem to be able to set the speed */
  65
  66         cp.d0 = 0xfe;
  67         cp.d1 = 0x06;
  68         bt_aton(default_bdaddr, &cp.bdaddr);
  69
  70         uart_send_cmd(fd, HCI_CMD_ST_STORE_IN_NVDS, &cp, sizeof(cp));
  71         uart_recv_cc(fd, HCI_CMD_ST_STORE_IN_NVDS, NULL, 0);
  72         /* assume it succeeded? */
  73
  74         uart_send_cmd(fd, HCI_CMD_RESET, NULL, 0);
  75         uart_recv_cc(fd, HCI_CMD_RESET, NULL, 0);
  76         /* assume it succeeded? */
  77 }