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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
* Copyright (C) 2013-2014 Paul Kocialkowski <contact@paulk.fr>
*
* libsamsung-ipc 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.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <samsung-ipc.h>
#include <ipc.h>
#include "../xmm626/modem.h"
#include "../xmm626/modem_prj.h"
#include "../xmm626/modem_link_device_hsic.h"
#include "../xmm626/xmm626.h"
#include "generic-xmm626_sec_modem.h"
int generic_xmm626_sec_modem_power(__attribute__((unused)) int device_fd, int power)
{
int rc;
rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_POWER_PATH, !!power);
if (rc < 0)
return -1;
return 0;
}
int generic_xmm626_sec_modem_boot_power(int device_fd, int power)
{
int rc;
if (device_fd < 0)
return -1;
rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_POWER_PATH, !!power);
if (rc < 0)
return -1;
return 0;
}
int generic_xmm626_sec_modem_hci_power(int power)
{
int ehci_rc, ohci_rc = -1;
/*ohci_rc = sysfs_value_write(XMM626_SEC_MODEM_OHCI_POWER_SYSFS, !!power);
if (ohci_rc >= 0)
usleep(50000);
*/
if (!!power) {
ohci_rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_PDA_ACTIVE_SYSFS, 1);
if (sysfs_value_read(GENERIC_XMM626_SEC_HOSTWAKE_PATH)) {
ohci_rc |= sysfs_value_write(GENERIC_XMM626_SEC_MODEM_SLAVEWAKE_SYSFS, 0);
usleep(10000);
ohci_rc |= sysfs_value_write(GENERIC_XMM626_SEC_MODEM_SLAVEWAKE_SYSFS, 1);
}
ehci_rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_EHCI_POWER_SYSFS, !!power);
if (ehci_rc >= 0)
usleep(50000);
ohci_rc |= sysfs_value_write(GENERIC_XMM626_SEC_LINK_ACTIVE_PATH, 1);
} else {
ehci_rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_EHCI_POWER_SYSFS, !!power);
if (ehci_rc >= 0)
usleep(50000);
//ohci_rc = sysfs_value_write(GENERIC_XMM626_SEC_MODEM_PDA_ACTIVE_SYSFS, 0);
ohci_rc = sysfs_value_write(GENERIC_XMM626_SEC_LINK_ACTIVE_PATH, 0);
}
if (ohci_rc < 0) {
printf("ohci_rc < 0\n");
}
if (ehci_rc < 0 && ohci_rc < 0)
return -1;
return 0;
}
int generic_xmm626_sec_modem_link_control_enable(__attribute__((unused)) int device_fd,
int enable)
{
if (enable) {
}
return 0;
}
int generic_xmm626_sec_modem_link_control_active(__attribute__((unused)) int device_fd,
int active)
{
int rc;
rc = sysfs_value_write(GENERIC_XMM626_SEC_LINK_ACTIVE_PATH, !!active);
if (rc < 0)
return -1;
return 0;
}
int generic_xmm626_sec_modem_link_connected_wait(__attribute__((unused)) int device_fd)
{
int i;
i = 0;
for (i = 0; i < 10; i++) {
usleep(50000);
}
return 0;
}
int generic_xmm626_sec_modem_link_get_hostwake_wait(
__attribute__((unused)) int device_fd)
{
int status;
int i;
i = 0;
for (i = 0; i < 10; i++) {
/* !gpio_get_value (hostwake) */
status = sysfs_value_read(GENERIC_XMM626_SEC_HOSTWAKE_PATH);
if (status == 0) /* invert: return true when hostwake is low */
return 0;
usleep(50000);
}
return -1;
}
int generic_xmm626_sec_modem_fmt_send(struct ipc_client *client,
struct ipc_message *message)
{
struct ipc_fmt_header header;
void *buffer;
size_t length;
size_t count;
unsigned char *p;
int rc;
if (client == NULL || client->handlers == NULL || client->handlers->write == NULL || message == NULL)
return -1;
ipc_fmt_header_setup(&header, message);
length = header.length;
buffer = calloc(1, length);
memcpy(buffer, &header, sizeof(struct ipc_fmt_header));
if (message->data != NULL && message->size > 0)
memcpy((void *) ((unsigned char *) buffer + sizeof(struct ipc_fmt_header)), message->data, message->size);
ipc_client_log_send(client, message, __func__);
p = (unsigned char *) buffer;
count = 0;
while (count < length) {
rc = client->handlers->write(client->handlers->transport_data, p, length - count);
if (rc <= 0) {
ipc_client_log(client, "Writing FMT data failed");
goto error;
}
count += rc;
p += rc;
}
rc = 0;
goto complete;
error:
rc = -1;
complete:
if (buffer != NULL)
free(buffer);
return rc;
}
int generic_xmm626_sec_modem_open(int type)
{
int fd = -1;
int i = 0;
while (fd < 0 && i < 30) {
i++;
usleep(30000);
switch (type) {
case IPC_CLIENT_TYPE_FMT:
printf("%s: %d %d\n", GENERIC_XMM626_SEC_MODEM_IPC0_DEVICE, fd, errno);
fd = open(GENERIC_XMM626_SEC_MODEM_IPC0_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
break;
case IPC_CLIENT_TYPE_RFS:
fd = open(GENERIC_XMM626_SEC_MODEM_RFS0_DEVICE, O_RDWR | O_NOCTTY | O_NONBLOCK);
printf("%s: %d %d\n", GENERIC_XMM626_SEC_MODEM_RFS0_DEVICE, fd, errno);
break;
default:
printf("unknown type\n");
return -1;
}
}
return fd;
}
int generic_xmm626_sec_modem_read(int fd, void *buffer, size_t length)
{
int rc;
if (fd < 0 || buffer == NULL || length <= 0)
return -1;
rc = read(fd, buffer, length);
return rc;
}
int generic_xmm626_sec_modem_write(int fd, const void *buffer, size_t length)
{
int rc;
if (fd < 0 || buffer == NULL || length <= 0)
return -1;
rc = write(fd, buffer, length);
return rc;
}
|
