1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Firmware loader for Samsung I9100 and I9250
* Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
*
* based on the incomplete C++ implementation which is
* Copyright (C) 2012 Sergey Gridasov <grindars@gmail.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MODEMCTL_COMMON_H__
#define __MODEMCTL_COMMON_H__
#include "common.h"
#include "log.h"
#include "io_helpers.h"
//Samsung IOCTLs
#include "modem_prj.h"
#define MODEM_DEVICE(x) ("/dev/" #x)
#define LINK_PM MODEM_DEVICE(link_pm)
#define MODEM_DEV MODEM_DEVICE(modem_br)
#define BOOT_DEV MODEM_DEVICE(umts_boot0)
#define IPC_DEV MODEM_DEVICE(umts_ipc0)
#define RFS_DEV MODEM_DEVICE(umts_rfs0)
#define LINK_POLL_DELAY_US (50 * 1000)
#define LINK_TIMEOUT_MS 2000
#define RADIO_MAP_SIZE (16 << 20)
typedef struct {
int link_fd;
int boot_fd;
int radio_fd;
char *radio_data;
struct stat radio_stat;
} fwloader_context;
/*
* Components of the Samsung XMM6260 firmware
*/
enum xmm6260_image {
PSI,
EBL,
SECURE_IMAGE,
FIRMWARE,
NVDATA,
};
/*
* Bootloader control interface definitions
*/
enum xmm6260_boot_cmd {
SetPortConf,
ReqSecStart,
ReqSecEnd,
ReqForceHwReset,
ReqFlashSetAddress,
ReqFlashWriteBlock,
};
/*
* Function prototypes
*/
/*
* @brief Activates the modem <-> cpu link data transfer
*
* @param ctx [in] firmware loader context
* @param enabled [in] whether to enable or disable link data transport
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_link_set_active(fwloader_context *ctx, bool enabled);
/*
* @brief Activates the modem <-> cpu link connection
*
* @param ctx [in] firmware loader context
* @param enabled [in] the state to set link to
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_link_set_enabled(fwloader_context *ctx, bool enabled);
/*
* @brief Poll the link until it gets ready or times out
*
* @param ctx [in] firmware loader context
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_wait_link_ready(fwloader_context *ctx);
/*
* @brief Poll the modem until it gets online or times out
*
* @param ctx [in] firmware loader context
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_wait_modem_online(fwloader_context *ctx);
/*
* @brief Sets the modem power
*
* @param ctx [in] firmware loader context
* @param enabled [in] whether to enable or disable modem power
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_modem_power(fwloader_context *ctx, bool enabled);
/*
* @brief Sets the modem bootloader power/UART configuration
*
* @param ctx [in] firmware loader context
* @param enabled [in] whether to enable or disable power
* @return Negative value indicating error code
* @return ioctl call result
*/
int modemctl_modem_boot_power(fwloader_context *ctx, bool enabled);
/*
* @brief Boots the modem on the I9100 (Galaxy S2) board
*
* @return Negative value indicating error code
* @return zero on success
*/
int boot_modem_i9100(void);
/*
* @brief Boots the modem on the I9250 (Galaxy Nexus) board
*
* @return Negative value indicating error code
* @return zero on success
*/
int boot_modem_i9250(void);
/*
* @brief Calculate the checksum for the XMM6260 bootloader protocol
*
* @param data [in] the data to calculate the checksum for
* @param offset [in] number of bytes to skip
* @param length [in] length of data in bytes
* @return checksum value
*/
unsigned char calculateCRC(void* data, size_t offset, size_t length);
#endif //__MODEMCTL_COMMON_H__
|
