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
|
#include "headers.h"
int InterfaceRDM(struct bcm_interface_adapter *psIntfAdapter,
unsigned int addr,
void *buff,
int len)
{
int bytes;
if (!psIntfAdapter)
return -EINVAL;
if (psIntfAdapter->psAdapter->device_removed == TRUE) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Device got removed");
return -ENODEV;
}
if ((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB)) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "Currently Xaction is not allowed on the bus");
return -EACCES;
}
if (psIntfAdapter->bSuspended == TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "Bus is in suspended states hence RDM not allowed..");
return -EACCES;
}
psIntfAdapter->psAdapter->DeviceAccess = TRUE;
bytes = usb_control_msg(psIntfAdapter->udev,
usb_rcvctrlpipe(psIntfAdapter->udev, 0),
0x02,
0xC2,
(addr & 0xFFFF),
((addr >> 16) & 0xFFFF),
buff,
len,
5000);
if (-ENODEV == bytes)
psIntfAdapter->psAdapter->device_removed = TRUE;
if (bytes < 0)
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM failed status :%d", bytes);
else
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM sent %d", bytes);
psIntfAdapter->psAdapter->DeviceAccess = FALSE;
return bytes;
}
int InterfaceWRM(struct bcm_interface_adapter *psIntfAdapter,
unsigned int addr,
void *buff,
int len)
{
int retval = 0;
if (!psIntfAdapter)
return -EINVAL;
if (psIntfAdapter->psAdapter->device_removed == TRUE) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Device got removed");
return -ENODEV;
}
if ((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB)) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "Currently Xaction is not allowed on the bus...");
return -EACCES;
}
if (psIntfAdapter->bSuspended == TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "Bus is in suspended states hence RDM not allowed..");
return -EACCES;
}
psIntfAdapter->psAdapter->DeviceAccess = TRUE;
retval = usb_control_msg(psIntfAdapter->udev,
usb_sndctrlpipe(psIntfAdapter->udev, 0),
0x01,
0x42,
(addr & 0xFFFF),
((addr >> 16) & 0xFFFF),
buff,
len,
5000);
if (-ENODEV == retval)
psIntfAdapter->psAdapter->device_removed = TRUE;
if (retval < 0) {
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM failed status :%d", retval);
psIntfAdapter->psAdapter->DeviceAccess = FALSE;
return retval;
} else {
psIntfAdapter->psAdapter->DeviceAccess = FALSE;
BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM sent %d", retval);
return STATUS_SUCCESS;
}
}
int BcmRDM(void *arg,
unsigned int addr,
void *buff,
int len)
{
return InterfaceRDM((struct bcm_interface_adapter*)arg, addr, buff, len);
}
int BcmWRM(void *arg,
unsigned int addr,
void *buff,
int len)
{
return InterfaceWRM((struct bcm_interface_adapter *)arg, addr, buff, len);
}
int Bcm_clear_halt_of_endpoints(struct bcm_mini_adapter *Adapter)
{
struct bcm_interface_adapter *psIntfAdapter = (struct bcm_interface_adapter *)(Adapter->pvInterfaceAdapter);
int status = STATUS_SUCCESS;
/*
* usb_clear_halt - tells device to clear endpoint halt/stall condition
* @dev: device whose endpoint is halted
* @pipe: endpoint "pipe" being cleared
* @ Context: !in_interrupt ()
*
* usb_clear_halt is the synchrnous call and returns 0 on success else returns with error code.
* This is used to clear halt conditions for bulk and interrupt endpoints only.
* Control and isochronous endpoints never halts.
*
* Any URBs queued for such an endpoint should normally be unlinked by the driver
* before clearing the halt condition.
*
*/
/* Killing all the submitted urbs to different end points. */
Bcm_kill_all_URBs(psIntfAdapter);
/* clear the halted/stalled state for every end point */
status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sIntrIn.int_in_pipe);
if (status != STATUS_SUCCESS)
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Interrupt IN end point. :%d ", status);
status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sBulkIn.bulk_in_pipe);
if (status != STATUS_SUCCESS)
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk IN end point. :%d ", status);
status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sBulkOut.bulk_out_pipe);
if (status != STATUS_SUCCESS)
BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk OUT end point. :%d ", status);
return status;
}
void Bcm_kill_all_URBs(struct bcm_interface_adapter *psIntfAdapter)
{
struct urb *tempUrb = NULL;
unsigned int i;
/*
* usb_kill_urb - cancel a transfer request and wait for it to finish
* @urb: pointer to URB describing a previously submitted request,
* returns nothing as it is void returned API.
*
* This routine cancels an in-progress request. It is guaranteed that
* upon return all completion handlers will have finished and the URB
* will be totally idle and available for reuse
*
* This routine may not be used in an interrupt context (such as a bottom
* half or a completion handler), or when holding a spinlock, or in other
* situations where the caller can't schedule().
*
*/
/* Cancel submitted Interrupt-URB's */
if (psIntfAdapter->psInterruptUrb) {
if (psIntfAdapter->psInterruptUrb->status == -EINPROGRESS)
usb_kill_urb(psIntfAdapter->psInterruptUrb);
}
/* Cancel All submitted TX URB's */
for (i = 0; i < MAXIMUM_USB_TCB; i++) {
tempUrb = psIntfAdapter->asUsbTcb[i].urb;
if (tempUrb) {
if (tempUrb->status == -EINPROGRESS)
usb_kill_urb(tempUrb);
}
}
for (i = 0; i < MAXIMUM_USB_RCB; i++) {
tempUrb = psIntfAdapter->asUsbRcb[i].urb;
if (tempUrb) {
if (tempUrb->status == -EINPROGRESS)
usb_kill_urb(tempUrb);
}
}
atomic_set(&psIntfAdapter->uNumTcbUsed, 0);
atomic_set(&psIntfAdapter->uCurrTcb, 0);
atomic_set(&psIntfAdapter->uNumRcbUsed, 0);
atomic_set(&psIntfAdapter->uCurrRcb, 0);
}
void putUsbSuspend(struct work_struct *work)
{
struct bcm_interface_adapter *psIntfAdapter = NULL;
struct usb_interface *intf = NULL;
psIntfAdapter = container_of(work, struct bcm_interface_adapter, usbSuspendWork);
intf = psIntfAdapter->interface;
if (psIntfAdapter->bSuspended == FALSE)
usb_autopm_put_interface(intf);
}
|
