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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2005-2010 Marcel Holtmann <marcel@holtmann.org>
* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
*
*
* 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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <syslog.h>
#include <termios.h>
#include <time.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include "hciattach.h"
#define FAILIF(x, args...) do { \
if (x) { \
fprintf(stderr, ##args); \
return -1; \
} \
} while (0)
typedef struct {
uint8_t uart_prefix;
hci_event_hdr hci_hdr;
evt_cmd_complete cmd_complete;
uint8_t status;
uint8_t data[16];
} __attribute__((packed)) command_complete_t;
static int read_command_complete(int fd,
unsigned short opcode,
unsigned char len)
{
command_complete_t resp;
unsigned char vsevent[512];
int n;
/* Read reply. */
n = read_hci_event(fd, vsevent, sizeof(vsevent));
FAILIF(n < 0, "Failed to read response");
FAILIF(vsevent[1] != 0xFF, "Failed to read response");
n = read_hci_event(fd, (unsigned char *)&resp, sizeof(resp));
FAILIF(n < 0, "Failed to read response");
/* event must be event-complete */
FAILIF(resp.hci_hdr.evt != EVT_CMD_COMPLETE,
"Error in response: not a cmd-complete event, "
"but 0x%02x!\n", resp.hci_hdr.evt);
FAILIF(resp.hci_hdr.plen < 4, /* plen >= 4 for EVT_CMD_COMPLETE */
"Error in response: plen is not >= 4, but 0x%02x!\n",
resp.hci_hdr.plen);
/* cmd-complete event: opcode */
FAILIF(resp.cmd_complete.opcode != 0,
"Error in response: opcode is 0x%04x, not 0!",
resp.cmd_complete.opcode);
return resp.status == 0 ? 0 : -1;
}
static int qualcomm_load_firmware(int fd, const char *firmware, const char *bdaddr_s)
{
int fw = open(firmware, O_RDONLY);
fprintf(stdout, "Opening firmware file: %s\n", firmware);
FAILIF(fw < 0,
"Could not open firmware file %s: %s (%d).\n",
firmware, strerror(errno), errno);
fprintf(stdout, "Uploading firmware...\n");
do {
/* Read each command and wait for a response. */
unsigned char data[1024];
unsigned char cmdp[1 + sizeof(hci_command_hdr)];
hci_command_hdr *cmd = (hci_command_hdr *) (cmdp + 1);
int nr;
nr = read(fw, cmdp, sizeof(cmdp));
if (!nr)
break;
FAILIF(nr != sizeof(cmdp),
"Could not read H4 + HCI header!\n");
FAILIF(*cmdp != HCI_COMMAND_PKT,
"Command is not an H4 command packet!\n");
FAILIF(read(fw, data, cmd->plen) != cmd->plen,
"Could not read %d bytes of data \
for command with opcode %04x!\n",
cmd->plen, cmd->opcode);
if ((data[0] == 1) && (data[1] == 2) && (data[2] == 6)) {
bdaddr_t bdaddr;
if (bdaddr_s != NULL) {
str2ba(bdaddr_s, &bdaddr);
memcpy(&data[3], &bdaddr, sizeof(bdaddr_t));
}
}
{
int nw;
struct iovec iov_cmd[2];
iov_cmd[0].iov_base = cmdp;
iov_cmd[0].iov_len = sizeof(cmdp);
iov_cmd[1].iov_base = data;
iov_cmd[1].iov_len = cmd->plen;
nw = writev(fd, iov_cmd, 2);
FAILIF(nw != (int) sizeof(cmdp) + cmd->plen,
"Could not send entire command \
(sent only %d bytes)!\n",
nw);
}
/* Wait for response */
if (read_command_complete(fd, cmd->opcode, cmd->plen) < 0)
return -1;
} while (1);
fprintf(stdout, "Firmware upload successful.\n");
close(fw);
return 0;
}
int qualcomm_init(int fd, int speed, struct termios *ti, const char *bdaddr)
{
struct timespec tm = {0, 50000};
char cmd[5];
unsigned char resp[100]; /* Response */
char fw[100];
int n;
memset(resp, 0, 100);
/* Get Manufacturer and LMP version */
cmd[0] = HCI_COMMAND_PKT;
cmd[1] = 0x01;
cmd[2] = 0x10;
cmd[3] = 0x00;
do {
n = write(fd, cmd, 4);
if (n < 4) {
perror("Failed to write init command");
return -1;
}
/* Read reply. */
if (read_hci_event(fd, resp, 100) < 0) {
perror("Failed to read init response");
return -1;
}
/* Wait for command complete event for our Opcode */
} while (resp[4] != cmd[1] && resp[5] != cmd[2]);
/* Verify manufacturer */
if ((resp[11] & 0xFF) != 0x1d)
fprintf(stderr,
"WARNING : module's manufacturer is not Qualcomm\n");
/* Print LMP version */
fprintf(stderr,
"Qualcomm module LMP version : 0x%02x\n", resp[10] & 0xFF);
/* Print LMP subversion */
{
unsigned short lmp_subv = resp[13] | (resp[14] << 8);
fprintf(stderr, "Qualcomm module LMP sub-version : 0x%04x\n",
lmp_subv);
}
/* Get SoC type */
cmd[0] = HCI_COMMAND_PKT;
cmd[1] = 0x00;
cmd[2] = 0xFC;
cmd[3] = 0x01;
cmd[4] = 0x06;
do {
n = write(fd, cmd, 5);
if (n < 5) {
perror("Failed to write vendor init command");
return -1;
}
/* Read reply. */
if ((n = read_hci_event(fd, resp, 100)) < 0) {
perror("Failed to read vendor init response");
return -1;
}
} while (resp[3] != 0 && resp[4] != 2);
snprintf(fw, sizeof(fw), "/etc/firmware/%c%c%c%c%c%c_%c%c%c%c.bin",
resp[18], resp[19], resp[20], resp[21],
resp[22], resp[23],
resp[32], resp[33], resp[34], resp[35]);
/* Wait for command complete event for our Opcode */
if (read_hci_event(fd, resp, 100) < 0) {
perror("Failed to read init response");
return -1;
}
qualcomm_load_firmware(fd, fw, bdaddr);
/* Reset */
cmd[0] = HCI_COMMAND_PKT;
cmd[1] = 0x03;
cmd[2] = 0x0C;
cmd[3] = 0x00;
do {
n = write(fd, cmd, 4);
if (n < 4) {
perror("Failed to write reset command");
return -1;
}
/* Read reply. */
if ((n = read_hci_event(fd, resp, 100)) < 0) {
perror("Failed to read reset response");
return -1;
}
} while (resp[4] != cmd[1] && resp[5] != cmd[2]);
nanosleep(&tm, NULL);
return 0;
}
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