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 */
50 struct dpram_firmware {
51 char *firmware;
52 int size;
53 int is_delta;
54 };
55
modem_download_ioctl_fw(int sel,struct dpram_firmware * fw)56 static 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
modem_download_ioctl(int sel)69 static int modem_download_ioctl(int sel)
70 {
71 return modem_download_ioctl_fw(sel, NULL);
72 }
73
update_cdma_modem(const char * image_data,size_t image_size)74 int 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