1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include <errno.h> 18#include <fcntl.h> 19#include <linux/usbdevice_fs.h> 20#include <stdarg.h> 21#include <stdio.h> 22#include <stdlib.h> 23#include <string.h> 24#include <sys/ioctl.h> 25#include <sys/mman.h> 26#include <sys/stat.h> 27#include <sys/types.h> 28#include <time.h> 29#include <unistd.h> 30#include <termios.h> 31 32#include "update_cdma_modem.h" 33 34 35#define MODEM_DEVNODE "/dev/cdma_boot0" 36 37#define IOCTL_MODEM_ON _IO('o', 0x19) 38#define IOCTL_MODEM_OFF _IO('o', 0x20) 39#define IOCTL_MODEM_RESET _IO('o', 0x21) 40#define IOCTL_MODEM_BOOT_ON _IO('o', 0x22) 41#define IOCTL_MODEM_BOOT_OFF _IO('o', 0x23) 42#define IOCTL_MODEM_START _IO('o', 0x24) 43#define IOCTL_MODEM_SEND _IO('o', 0x25) 44#define IOCTL_MODEM_RECV _IO('o', 0x26) 45#define IOCTL_MODEM_STATUS _IO('o', 0x27) 46#define IOCTL_MODEM_GOTA_START _IO('o', 0x28) 47#define IOCTL_MODEM_FW_UPDATE _IO('o', 0x29) 48 49/* buffer type for modem image */ 50struct dpram_firmware { 51 char *firmware; 52 int size; 53 int is_delta; 54}; 55 56static int modem_download_ioctl_fw(int sel, struct dpram_firmware* fw) 57{ 58 int fd = open(MODEM_DEVNODE, O_RDWR); 59 if (fd < 0) { 60 fprintf(stderr, "Unable to open modem device (%s)\n", strerror(errno)); 61 return -1; 62 } 63 int ret = (fw != NULL) ? ioctl(fd, sel, fw) : ioctl(fd, sel); 64 close(fd); 65 66 return ret; 67} 68 69static int modem_download_ioctl(int sel) 70{ 71 return modem_download_ioctl_fw(sel, NULL); 72} 73 74int update_cdma_modem(const char* image_data, size_t image_size) { 75 int ret; 76 struct dpram_firmware fw; 77 78 ret = modem_download_ioctl(IOCTL_MODEM_GOTA_START); 79 if (ret < 0) { 80 fprintf(stderr, "IOCTL_MODEM_GOTA_START failed: (%d)\n", ret); 81 return -1; 82 } 83 84 ret = modem_download_ioctl(IOCTL_MODEM_BOOT_ON); 85 if (ret < 0) { 86 fprintf(stderr, "IOCTL_MODEM_BOOT_ON failed: (%d)\n", ret); 87 return -1; 88 } 89 90 fw.firmware = image_data; 91 fw.size = image_size; 92 fw.is_delta = 0; 93 94 ret = modem_download_ioctl_fw(IOCTL_MODEM_FW_UPDATE, &fw); 95 if (ret < 0) { 96 fprintf(stderr, "IOCTL_MODEM_FW_UPDATE failed: (%d)\n", ret); 97 return -1; 98 } 99 100 ret = modem_download_ioctl(IOCTL_MODEM_BOOT_OFF); 101 if (ret < 0) { 102 fprintf(stderr, "IOCTL_MODEM_BOOT_OFF failed: (%d)\n", ret); 103 return -1; 104 } 105 106 printf("Firmware update was successful\n"); 107 108 return 0; 109} 110