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-rw-r--r--tools/hciattach_qualcomm.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/tools/hciattach_qualcomm.c b/tools/hciattach_qualcomm.c
new file mode 100644
index 0000000..e4ff5e3
--- /dev/null
+++ b/tools/hciattach_qualcomm.c
@@ -0,0 +1,275 @@
+/*
+ *
+ * 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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