1/*	$NetBSD: init_stlc2500.c,v 1.2 2009/12/06 12:31:07 kiyohara 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 1.2 2009/12/06 12:31:07 kiyohara 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
52typedef struct {
53	uint8_t		d0;	/* ? */
54	uint8_t		d1;	/* ? */
55	bdaddr_t	bdaddr;
56} __attribute__ ((__packed__)) hci_store_in_nvds_cp;
57
58static 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
63static int
64firmload_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
105void
106init_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	if (tcgetattr(fd, &tio) != 0 ||
117	    cfsetspeed(&tio, speed) != 0 ||
118	    tcsetattr(fd, TCSANOW, &tio) != 0)
119		err(EXIT_FAILURE, "can't change baud rate");
120
121	uart_send_cmd(fd, HCI_CMD_READ_LOCAL_VER, NULL, 0);
122	n = uart_recv_cc(fd, HCI_CMD_READ_LOCAL_VER, &rp, sizeof(rp));
123	if (n != sizeof(rp) || rp.status != 0x00)
124		errx(EXIT_FAILURE, "read local version command failed");
125
126	if (firmload_stlc2500(fd, rp.hci_revision, "ptc") < 0)
127		warn("no ROM patch file");
128
129	if (firmload_stlc2500(fd, rp.hci_revision, "ssf") < 0)
130		warn("no static settings file");
131
132	cp.d0 = 0xfe;	/* ? */
133	cp.d1 = 0x06;	/* ? */
134	bt_aton(default_bdaddr, &cp.bdaddr);
135
136	uart_send_cmd(fd, HCI_CMD_ST_STORE_IN_NVDS, &cp, sizeof(cp));
137	uart_recv_cc(fd, HCI_CMD_ST_STORE_IN_NVDS, NULL, 0);
138	/* command complete ok? */
139	/* assume it succeeded? */
140
141	uart_send_cmd(fd, HCI_CMD_RESET, NULL, 0);
142	uart_recv_cc(fd, HCI_CMD_RESET, NULL, 0);
143	/* assume it succeeded? */
144}
145