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
259
260
261
262
263
264
265
266
|
#include "alsps_factory.h"
static int alsps_factory_open(struct inode *inode, struct file *file)
{
file->private_data = alsps_context_obj;
if (file->private_data == NULL)
{
ALSPS_ERR("null pointer!!\n");
return -EINVAL;
}
return nonseekable_open(inode, file);
}
static int alsps_factory_release(struct inode *inode, struct file *file)
{
file->private_data = NULL;
return 0;
}
static long alsps_factory_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
//void __user *data;
long err = 0;
struct alsps_context *cxt = alsps_context_obj;
void __user *ptr = (void __user*) arg;
int dat = 0;
uint32_t enable = 0;
int ps_cali;
int threshold_data[2];
if (_IOC_DIR(cmd) & _IOC_READ)
{
err = !access_ok(VERIFY_WRITE, (void __user *)arg, _IOC_SIZE(cmd));
}
else if (_IOC_DIR(cmd) & _IOC_WRITE)
{
err = !access_ok(VERIFY_READ, (void __user *)arg, _IOC_SIZE(cmd));
}
if (err)
{
ALSPS_LOG("access error: %08X, (%2d, %2d)\n", cmd, _IOC_DIR(cmd), _IOC_SIZE(cmd));
return -EFAULT;
}
switch (cmd)
{
case ALSPS_SET_PS_MODE:
if(copy_from_user(&enable, ptr, sizeof(enable)))
{
err = -EFAULT;
break;
}
ALSPS_LOG("ALSPS_SET_PS_MODE enable: %d!\n", enable);
if(cxt->ps_ctl.enable_nodata!= NULL){
err = cxt->ps_ctl.enable_nodata(enable);
if(err < 0)
{
ALSPS_LOG("ALSPS_SET_PS_MODE fail!\n");
break;
}
}
break;
case ALSPS_GET_PS_RAW_DATA:
if(cxt->ps_data.ps_get_raw_data!= NULL){
err = cxt->ps_data.ps_get_raw_data(&dat);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_PS_RAW_DATA fail!\n");
break;
}
}
if(copy_to_user(ptr, &dat, sizeof(dat)))
{
err = -EFAULT;
break;
}
break;
case ALSPS_SET_ALS_MODE:
if(copy_from_user(&enable, ptr, sizeof(enable)))
{
err = -EFAULT;
break;
}
ALSPS_LOG("ALSPS_SET_ALS_MODE enable: %d!\n", enable);
if(cxt->als_ctl.enable_nodata!= NULL){
err = cxt->als_ctl.enable_nodata(enable);
if(err < 0)
{
ALSPS_LOG("ALSPS_SET_ALS_MODE fail!\n");
break;
}
}
break;
case ALSPS_GET_ALS_RAW_DATA:
if(cxt->als_data.als_get_raw_data!= NULL){
err = cxt->als_data.als_get_raw_data(&dat);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_ALS_RAW_DATA fail!\n");
break;
}
}
if(copy_to_user(ptr, &dat, sizeof(dat)))
{
err = -EFAULT;
break;
}
break;
case ALSPS_GET_PS_TEST_RESULT:
if(cxt->ps_ctl.ps_threshold_setting!= NULL){
err = cxt->ps_ctl.ps_threshold_setting(GET_TH_RESULT, threshold_data);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_PS_TEST_RESULT fail!\n");
break;
}
}
if(copy_to_user(ptr, &threshold_data[0], sizeof(threshold_data[0])))
{
err = -EFAULT;
break;
}
break;
case ALSPS_GET_PS_THRESHOLD_HIGH:
if(cxt->ps_ctl.ps_threshold_setting!= NULL){
err = cxt->ps_ctl.ps_threshold_setting(GET_TH_HIGH, threshold_data);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_PS_THRESHOLD_HIGH fail!\n");
break;
}
}
if(copy_to_user(ptr, &threshold_data[0], sizeof(threshold_data[0])))
{
err = -EFAULT;
break;
}
break;
case ALSPS_GET_PS_THRESHOLD_LOW:
if(cxt->ps_ctl.ps_threshold_setting!= NULL){
err = cxt->ps_ctl.ps_threshold_setting(GET_TH_LOW, threshold_data);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_PS_THRESHOLD_LOW fail!\n");
break;
}
}
if(copy_to_user(ptr, &threshold_data[0], sizeof(threshold_data[0])))
{
err = -EFAULT;
break;
}
break;
case ALSPS_SET_PS_THRESHOLD:
if(copy_from_user(threshold_data, ptr, sizeof(threshold_data)))
{
err = -EFAULT;
break;
}
if(cxt->ps_ctl.ps_threshold_setting!= NULL){
err = cxt->ps_ctl.ps_threshold_setting(SET_TH, threshold_data);
if(err < 0)
{
ALSPS_LOG("ALSPS_GET_PS_THRESHOLD_LOW fail!\n");
break;
}
}
break;
case ALSPS_IOCTL_SET_CALI:
if(copy_from_user(&ps_cali, ptr, sizeof(ps_cali)))
{
err = -EFAULT;
break;
}
if(cxt->ps_ctl.ps_calibration!= NULL){
err = cxt->ps_ctl.ps_calibration(SETCALI, ps_cali);
if(err < 0)
{
ALSPS_LOG("ALSPS_IOCTL_SET_CALI fail!\n");
break;
}
}
break;
case ALSPS_IOCTL_GET_CALI:
if(cxt->ps_ctl.ps_calibration!= NULL){
err = cxt->ps_ctl.ps_calibration(GETCALI, ps_cali);
if(err < 0)
{
ALSPS_LOG("ALSPS_IOCTL_GET_CALI fail!\n");
break;
}
}
if(copy_to_user(ptr, &ps_cali, sizeof(ps_cali)))
{
err = -EFAULT;
break;
}
break;
case ALSPS_IOCTL_CLR_CALI:
if(copy_from_user(&dat, ptr, sizeof(dat)))
{
err = -EFAULT;
break;
}
if(cxt->ps_ctl.ps_calibration!= NULL){
err = cxt->ps_ctl.ps_calibration(CLRCALI, dat);
if(err < 0)
{
ALSPS_LOG("ALSPS_IOCTL_CLR_CALI fail!\n");
break;
}
}
break;
default:
ALSPS_ERR("unknown IOCTL: 0x%08x\n", cmd);
err = -ENOIOCTLCMD;
break;
}
return err;
}
static struct file_operations alsps_factory_fops = {
.open = alsps_factory_open,
.release = alsps_factory_release,
.unlocked_ioctl = alsps_factory_unlocked_ioctl,
};
static struct miscdevice alsps_factory_device = {
.minor = MISC_DYNAMIC_MINOR,
.name = "als_ps",
.fops = &alsps_factory_fops,
};
int alsps_factory_device_init()
{
int error = 0;
struct alsps_context *cxt = alsps_context_obj;
if (!cxt->als_ctl.is_use_common_factory && !cxt->ps_ctl.is_use_common_factory) {
ALSPS_LOG("Node of '/dev/als_ps' has already existed!\n");
return -1;
}
if ((error = misc_register(&alsps_factory_device)))
{
ALSPS_LOG("alsps_factory_device register failed\n");
error = -1;
}
return error;
}
|
