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-rw-r--r--tools/hciattach_tialt.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/tools/hciattach_tialt.c b/tools/hciattach_tialt.c
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--- /dev/null
+++ b/tools/hciattach_tialt.c
@@ -0,0 +1,272 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * 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>
+
+#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;
+
+extern int read_hci_event(int fd, unsigned char* buf, int size);
+
+static int read_command_complete(int fd, unsigned short opcode, unsigned char len) {
+ command_complete_t resp;
+ /* Read reply. */
+ FAILIF(read_hci_event(fd, (unsigned char *)&resp, sizeof(resp)) < 0,
+ "Failed to read response");
+
+ /* Parse speed-change reply */
+ FAILIF(resp.uart_prefix != HCI_EVENT_PKT,
+ "Error in response: not an event packet, but 0x%02x!\n",
+ resp.uart_prefix);
+
+ FAILIF(resp.hci_hdr.evt != EVT_CMD_COMPLETE, /* event must be event-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 != (uint16_t)opcode,
+ "Error in response: opcode is 0x%04x, not 0x%04x!",
+ resp.cmd_complete.opcode, opcode);
+
+ return resp.status == 0 ? 0 : -1;
+}
+
+typedef struct {
+ uint8_t uart_prefix;
+ hci_command_hdr hci_hdr;
+ uint32_t speed;
+} __attribute__((packed)) texas_speed_change_cmd_t;
+
+static int texas_change_speed(int fd, uint32_t speed) {
+
+ return 0;
+
+ /* Send a speed-change request */
+
+ texas_speed_change_cmd_t cmd;
+ int n;
+
+ cmd.uart_prefix = HCI_COMMAND_PKT;
+ cmd.hci_hdr.opcode = 0xff36;
+ cmd.hci_hdr.plen = sizeof(uint32_t);
+ cmd.speed = speed;
+
+ fprintf(stdout, "Setting speed to %d\n", speed);
+ n = write(fd, &cmd, sizeof(cmd));
+ if (n < 0) {
+ perror("Failed to write speed-set command");
+ return -1;
+ }
+
+ n = write(fd, &cmd, sizeof(cmd));
+ if (n < 0) {
+ perror("Failed to write command.");
+ return -1;
+ }
+ if (n < (int)sizeof(cmd)) {
+ fprintf(stderr, "Wanted to write %d bytes, could only write %d. "
+ "Stop\n", (int)sizeof(cmd), n);
+ return -1;
+ }
+
+ /* Parse speed-change reply */
+ if (read_command_complete(fd, 0xff36, 4) < 0) {
+ return -1;
+ }
+ fprintf(stdout, "Speed changed to %d.\n", speed);
+}
+
+static int texas_load_firmware(int fd, const char *firmware) {
+
+ fprintf(stdout, "Opening firmware file: %s\n", firmware);
+ int fw = open(firmware, O_RDONLY);
+ FAILIF(fw < 0,
+ "Could not open firmware file %s: %s (%d).\n",
+ firmware, strerror(errno), errno);
+
+ fprintf(stdout, "Uploading firmware...\n");
+ do {
+ int nr;
+ /* Read each command and wait for a response. */
+ unsigned char cmdp[1 + sizeof(hci_command_hdr)];
+ nr = read(fw, cmdp, sizeof(cmdp));
+ if (!nr)
+ break;
+ hci_command_hdr *cmd = (hci_command_hdr *)(cmdp + 1);
+ FAILIF(nr != sizeof(cmdp), "Could not read H4 + HCI header!\n");
+ FAILIF(*cmdp != HCI_COMMAND_PKT, "Command is not an H4 command packet!\n");
+
+ unsigned char data[1024];
+ 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 0
+ fprintf(stdout, "\topcode 0x%04x (%d bytes of data).\n",
+ cmd->opcode,
+ cmd->plen);
+#endif
+ 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;
+ int nw = writev(fd, iov_cmd, 2);
+ FAILIF(nw != sizeof(cmd) + 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 texasalt_init(int fd, int speed, struct termios *ti)
+{
+ struct timespec tm = {0, 50000};
+ char cmd[4];
+ unsigned char resp[100]; /* Response */
+ int n;
+
+ memset(resp,'\0', 100);
+
+ /* It is possible to get software version with manufacturer specific
+ HCI command HCI_VS_TI_Version_Number. But the only thing you get more
+ is if this is point-to-point or point-to-multipoint module */
+
+ /* 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 < 0) {
+ perror("Failed to write init command (READ_LOCAL_VERSION_INFORMATION)");
+ return -1;
+ }
+ if (n < 4) {
+ fprintf(stderr, "Wanted to write 4 bytes, could only write %d. Stop\n", n);
+ return -1;
+ }
+
+ /* Read reply. */
+ if (read_hci_event(fd, resp, 100) < 0) {
+ perror("Failed to read init response (READ_LOCAL_VERSION_INFORMATION)");
+ 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) != 0x0d)
+ fprintf(stderr,"WARNING : module's manufacturer is not Texas Instrument\n");
+
+ /* Print LMP version */
+ fprintf(stderr, "Texas module LMP version : 0x%02x\n", resp[10] & 0xFF);
+
+ /* Print LMP subversion */
+ {
+ unsigned short lmp_subv = resp[13] | (resp[14] << 8);
+ unsigned short brf_chip = (lmp_subv & 0x7c00) >> 10;
+ static const char *c_brf_chip[5] = {
+ "unknown",
+ "unknown",
+ "brf6100",
+ "brf6150",
+ "brf6300"
+ };
+
+ fprintf(stderr, "Texas module LMP sub-version : 0x%04x\n", lmp_subv);
+
+ fprintf(stderr,
+ "\tinternal version freeze: %d\n"
+ "\tsoftware version: %d\n"
+ "\tchip: %s (%d)\n",
+ lmp_subv & 0x7f,
+ ((lmp_subv & 0x8000) >> (15-3)) | ((lmp_subv & 0x380) >> 7),
+ ((brf_chip > 4) ? "unknown" : c_brf_chip[brf_chip]),
+ brf_chip);
+
+ char fw[100];
+ sprintf(fw, "/etc/firmware/%s.bin", c_brf_chip[brf_chip]);
+ texas_load_firmware(fd, fw);
+
+ texas_change_speed(fd, speed);
+ }
+ nanosleep(&tm, NULL);
+ return 0;
+}
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