| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <linux/usbdevice_fs.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/ioctl.h> |
| #include <sys/mman.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <time.h> |
| #include <unistd.h> |
| #include <termios.h> |
| |
| #include "update_cdma_modem.h" |
| |
| |
| #define MODEM_DEVNODE "/dev/cdma_boot0" |
| |
| #define IOCTL_MODEM_ON _IO('o', 0x19) |
| #define IOCTL_MODEM_OFF _IO('o', 0x20) |
| #define IOCTL_MODEM_RESET _IO('o', 0x21) |
| #define IOCTL_MODEM_BOOT_ON _IO('o', 0x22) |
| #define IOCTL_MODEM_BOOT_OFF _IO('o', 0x23) |
| #define IOCTL_MODEM_START _IO('o', 0x24) |
| #define IOCTL_MODEM_SEND _IO('o', 0x25) |
| #define IOCTL_MODEM_RECV _IO('o', 0x26) |
| #define IOCTL_MODEM_STATUS _IO('o', 0x27) |
| #define IOCTL_MODEM_GOTA_START _IO('o', 0x28) |
| #define IOCTL_MODEM_FW_UPDATE _IO('o', 0x29) |
| |
| /* buffer type for modem image */ |
| struct dpram_firmware { |
| char *firmware; |
| int size; |
| int is_delta; |
| }; |
| |
| static int modem_download_ioctl_fw(int sel, struct dpram_firmware* fw) |
| { |
| int fd = open(MODEM_DEVNODE, O_RDWR); |
| if (fd < 0) { |
| fprintf(stderr, "Unable to open modem device (%s)\n", strerror(errno)); |
| return -1; |
| } |
| int ret = (fw != NULL) ? ioctl(fd, sel, fw) : ioctl(fd, sel); |
| close(fd); |
| |
| return ret; |
| } |
| |
| static int modem_download_ioctl(int sel) |
| { |
| return modem_download_ioctl_fw(sel, NULL); |
| } |
| |
| int update_cdma_modem(const char* image_data, size_t image_size) { |
| int ret; |
| struct dpram_firmware fw; |
| |
| ret = modem_download_ioctl(IOCTL_MODEM_GOTA_START); |
| if (ret < 0) { |
| fprintf(stderr, "IOCTL_MODEM_GOTA_START failed: (%d)\n", ret); |
| return -1; |
| } |
| |
| ret = modem_download_ioctl(IOCTL_MODEM_BOOT_ON); |
| if (ret < 0) { |
| fprintf(stderr, "IOCTL_MODEM_BOOT_ON failed: (%d)\n", ret); |
| return -1; |
| } |
| |
| fw.firmware = image_data; |
| fw.size = image_size; |
| fw.is_delta = 0; |
| |
| ret = modem_download_ioctl_fw(IOCTL_MODEM_FW_UPDATE, &fw); |
| if (ret < 0) { |
| fprintf(stderr, "IOCTL_MODEM_FW_UPDATE failed: (%d)\n", ret); |
| return -1; |
| } |
| |
| ret = modem_download_ioctl(IOCTL_MODEM_BOOT_OFF); |
| if (ret < 0) { |
| fprintf(stderr, "IOCTL_MODEM_BOOT_OFF failed: (%d)\n", ret); |
| return -1; |
| } |
| |
| printf("Firmware update was successful\n"); |
| |
| return 0; |
| } |