| /* |
| * |
| * 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 <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; |
| } |