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init_stlc2500.c revision 1.1 
      1 /*	$NetBSD: init_stlc2500.c,v 1.1 2008/04/15 11:17:48 plunky Exp $	*/
      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_stlc2500.c,v 1.1 2008/04/15 11:17:48 plunky Exp $");
     35 
     36 #include <bluetooth.h>
     37 #include <err.h>
     38 #include <errno.h>
     39 #include <fcntl.h>
     40 #include <stdlib.h>
     41 #include <termios.h>
     42 #include <unistd.h>
     43 
     44 #include "btattach.h"
     45 
     46 #define HCI_CMD_ERICSSON_READ_REVISION_INFO \
     47 	HCI_OPCODE(HCI_OGF_VENDOR, 0x00f)
     48 
     49 #define HCI_CMD_ST_STORE_IN_NVDS \
     50 	HCI_OPCODE(HCI_OGF_VENDOR, 0x022)
     51 
     52 typedef struct {
     53 	uint8_t		d0;	/* ? */
     54 	uint8_t		d1;	/* ? */
     55 	bdaddr_t	bdaddr;
     56 } __attribute__ ((__packed__)) hci_store_in_nvds_cp;
     57 
     58 static const char *default_bdaddr = "00:80:e1:00:ab:ba";
     59 
     60 #define HCI_CMD_ST_LOAD_FIRMWARE \
     61 	HCI_OPCODE(HCI_OGF_VENDOR, 0x02e)
     62 
     63 static int
     64 firmload_stlc2500(int fd, uint16_t revision, const char *ext)
     65 {
     66 	uint8_t buf[0x100], seq;
     67 	char *name;
     68 	ssize_t n;
     69 	int ff;
     70 
     71 	/* we should look up hw.firmware.path and search for the file */
     72 
     73 	asprintf(&name, "STLC2500_R%d_%02d_%s", (revision & 0xff), (revision >> 8), ext);
     74 	ff = open(name, O_RDONLY, 0);
     75 	if (ff < 0) {
     76 		if (errno != ENOENT)
     77 			err(EXIT_FAILURE, "%s", name);
     78 
     79 		free(name);
     80 		return -1;
     81 	}
     82 
     83 	for (seq = 0;; seq++) {
     84 		n = read(ff, buf + 1, sizeof(buf) - 1);
     85 		if (n < 0)
     86 			err(EXIT_FAILURE, "%s", name);
     87 
     88 		if (n == 0)
     89 			break;
     90 
     91 		buf[0] = seq;
     92 		uart_send_cmd(fd, HCI_CMD_ST_LOAD_FIRMWARE, buf, (size_t)(n + 1));
     93 		n = uart_recv_cc(fd, HCI_CMD_ST_LOAD_FIRMWARE, buf, 1);
     94 		/* command complete ok? */
     95 
     96 		if (n != 1 || buf[0] != seq)
     97 			err(EXIT_FAILURE, "sequence mismatch");
     98 	}
     99 
    100 	close(ff);
    101 	free(name);
    102 	return 0;
    103 }
    104 
    105 void
    106 init_stlc2500(int fd, unsigned int speed)
    107 {
    108 	hci_read_local_ver_rp rp;
    109 	hci_store_in_nvds_cp cp;
    110 	struct termios tio;
    111 	int n;
    112 
    113 	/* STLC2500 has an ericsson core */
    114 	init_ericsson(fd, speed);
    115 
    116 	tcgetattr(fd, &tio);
    117 	cfsetspeed(&tio, speed);
    118 	tcsetattr(fd, TCSANOW, &tio);
    119 
    120 	uart_send_cmd(fd, HCI_CMD_READ_LOCAL_VER, NULL, 0);
    121 	n = uart_recv_cc(fd, HCI_CMD_READ_LOCAL_VER, &rp, sizeof(rp));
    122 	if (n != sizeof(rp) || rp.status != 0x00)
    123 		errx(EXIT_FAILURE, "read local version command failed");
    124 
    125 	if (firmload_stlc2500(fd, rp.hci_revision, "ptc") < 0)
    126 		warn("no ROM patch file");
    127 
    128 	if (firmload_stlc2500(fd, rp.hci_revision, "ssf") < 0)
    129 		warn("no static settings file");
    130 
    131 	cp.d0 = 0xfe;	/* ? */
    132 	cp.d1 = 0x06;	/* ? */
    133 	bt_aton(default_bdaddr, &cp.bdaddr);
    134 
    135 	uart_send_cmd(fd, HCI_CMD_ST_STORE_IN_NVDS, &cp, sizeof(cp));
    136 	uart_recv_cc(fd, HCI_CMD_ST_STORE_IN_NVDS, NULL, 0);
    137 	/* command complete ok? */
    138 	/* assume it succeeded? */
    139 
    140 	uart_send_cmd(fd, HCI_CMD_RESET, NULL, 0);
    141 	uart_recv_cc(fd, HCI_CMD_RESET, NULL, 0);
    142 	/* assume it succeeded? */
    143 }
    144