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Diffstat (limited to 'tools/hciattach_tialt.c')
| -rw-r--r-- | tools/hciattach_tialt.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/tools/hciattach_tialt.c b/tools/hciattach_tialt.c new file mode 100644 index 0000000..1ba009c --- /dev/null +++ b/tools/hciattach_tialt.c @@ -0,0 +1,244 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2005-2010 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> + +#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; + /* 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; +} + +static int texas_load_firmware(int fd, const char *firmware) { + + 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); + + { + int nw; +#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; + nw = writev(fd, iov_cmd, 2); + FAILIF(nw != (int) 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[8] = { + "unknown", + "unknown", + "brf6100", + "brf6150", + "brf6300", + "brf6350", + "unknown", + "wl1271" + }; + char fw[100]; + + 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 > 7) ? "unknown" : c_brf_chip[brf_chip]), + brf_chip); + + 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; +} |