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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);
}
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