****************************************************************************/
static void ced_flush_out_buff(struct ced_data *ced)
{
- dev_dbg(&ced->interface->dev, "%s: currentState=%d\n",
- __func__, ced->sCurrentState);
- if (ced->sCurrentState == U14ERR_TIME) /* Do nothing if hardware in trouble */
+ dev_dbg(&ced->interface->dev, "%s: current_state=%d\n",
+ __func__, ced->current_state);
+
+ /* Do nothing if hardware in trouble */
+ if (ced->current_state == U14ERR_TIME)
return;
/* Kill off any pending I/O */
/* CharSend_Cancel(ced); */
- spin_lock_irq(&ced->charOutLock);
- ced->dwNumOutput = 0;
- ced->dwOutBuffGet = 0;
- ced->dwOutBuffPut = 0;
- spin_unlock_irq(&ced->charOutLock);
+ spin_lock_irq(&ced->char_out_lock);
+ ced->num_output = 0;
+ ced->out_buff_get = 0;
+ ced->out_buff_put = 0;
+ spin_unlock_irq(&ced->char_out_lock);
}
/****************************************************************************
****************************************************************************/
static void ced_flush_in_buff(struct ced_data *ced)
{
- dev_dbg(&ced->interface->dev, "%s: currentState=%d\n",
- __func__, ced->sCurrentState);
- if (ced->sCurrentState == U14ERR_TIME) /* Do nothing if hardware in trouble */
+ dev_dbg(&ced->interface->dev, "%s: current_state=%d\n",
+ __func__, ced->current_state);
+ if (ced->current_state == U14ERR_TIME) /* Do nothing if hardware in trouble */
return;
/* Kill off any pending I/O */
/* CharRead_Cancel(pDevObject); */
- spin_lock_irq(&ced->charInLock);
- ced->dwNumInput = 0;
- ced->dwInBuffGet = 0;
- ced->dwInBuffPut = 0;
- spin_unlock_irq(&ced->charInLock);
+ spin_lock_irq(&ced->char_in_lock);
+ ced->num_input = 0;
+ ced->in_buff_get = 0;
+ ced->in_buff_put = 0;
+ spin_unlock_irq(&ced->char_in_lock);
}
/****************************************************************************
unsigned int uCount)
{
int iReturn;
- spin_lock_irq(&ced->charOutLock); /* get the output spin lock */
- if ((OUTBUF_SZ - ced->dwNumOutput) >= uCount) {
+ spin_lock_irq(&ced->char_out_lock); /* get the output spin lock */
+ if ((OUTBUF_SZ - ced->num_output) >= uCount) {
unsigned int u;
for (u = 0; u < uCount; u++) {
- ced->outputBuffer[ced->dwOutBuffPut++] = pCh[u];
- if (ced->dwOutBuffPut >= OUTBUF_SZ)
- ced->dwOutBuffPut = 0;
+ ced->output_buffer[ced->out_buff_put++] = pCh[u];
+ if (ced->out_buff_put >= OUTBUF_SZ)
+ ced->out_buff_put = 0;
}
- ced->dwNumOutput += uCount;
- spin_unlock_irq(&ced->charOutLock);
+ ced->num_output += uCount;
+ spin_unlock_irq(&ced->char_out_lock);
iReturn = ced_send_chars(ced); /* ...give a chance to transmit data */
} else {
iReturn = U14ERR_NOOUT; /* no room at the out (ha-ha) */
- spin_unlock_irq(&ced->charOutLock);
+ spin_unlock_irq(&ced->char_out_lock);
}
return iReturn;
}
*state = 0xFFFFFFFF; /* Start off with invalid state */
nGot = usb_control_msg(ced->udev, usb_rcvctrlpipe(ced->udev, 0),
GET_STATUS, (D_TO_H | VENDOR | DEVREQ), 0, 0,
- ced->statBuf, sizeof(ced->statBuf), HZ);
- if (nGot != sizeof(ced->statBuf)) {
+ ced->stat_buf, sizeof(ced->stat_buf), HZ);
+ if (nGot != sizeof(ced->stat_buf)) {
dev_err(&ced->interface->dev,
"%s: FAILED, return code %d\n", __func__, nGot);
- ced->sCurrentState = U14ERR_TIME; /* Indicate that things are very wrong indeed */
+ ced->current_state = U14ERR_TIME; /* Indicate that things are very wrong indeed */
*state = 0; /* Force status values to a known state */
*error = 0;
} else {
int nDevice;
dev_dbg(&ced->interface->dev,
"%s: Success, state: 0x%x, 0x%x\n",
- __func__, ced->statBuf[0], ced->statBuf[1]);
+ __func__, ced->stat_buf[0], ced->stat_buf[1]);
- *state = ced->statBuf[0]; /* Return the state values to the calling code */
- *error = ced->statBuf[1];
+ *state = ced->stat_buf[0]; /* Return the state values to the calling code */
+ *error = ced->stat_buf[1];
nDevice = ced->udev->descriptor.bcdDevice >> 8; /* 1401 type code value */
switch (nDevice) { /* so we can clean up current state */
case 0:
- ced->sCurrentState = U14ERR_U1401;
+ ced->current_state = U14ERR_U1401;
break;
default: /* allow lots of device codes for future 1401s */
if ((nDevice >= 1) && (nDevice <= 23))
- ced->sCurrentState = (short)(nDevice + 6);
+ ced->current_state = (short)(nDevice + 6);
else
- ced->sCurrentState = U14ERR_ILL;
+ ced->current_state = U14ERR_ILL;
break;
}
}
- return ced->sCurrentState >= 0 ? U14ERR_NOERROR : ced->sCurrentState;
+ return ced->current_state >= 0 ? U14ERR_NOERROR : ced->current_state;
}
/****************************************************************************
int ced_read_write_cancel(struct ced_data *ced)
{
dev_dbg(&ced->interface->dev, "%s: entry %d\n",
- __func__, ced->bStagedUrbPending);
+ __func__, ced->staged_urb_pending);
#ifdef NOT_WRITTEN_YET
int ntStatus = STATUS_SUCCESS;
bool bResult = false;
unsigned int i;
/* We can fill this in when we know how we will implement the staged transfer stuff */
- spin_lock_irq(&ced->stagedLock);
+ spin_lock_irq(&ced->staged_lock);
- if (ced->bStagedUrbPending) { /* anything to be cancelled? May need more... */
+ if (ced->staged_urb_pending) { /* anything to be cancelled? May need more... */
dev_info(&ced->interface - dev,
"ced_read_write_cancel about to cancel Urb\n");
/* Clear the staging done flag */
/* Release the spinlock first otherwise the completion routine may hang */
/* on the spinlock while this function hands waiting for the event. */
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
bResult = IoCancelIrp(ced->pStagedIrp); /* Actually do the cancel */
if (bResult) {
LARGE_INTEGER timeout;
("ced_read_write_cancel ntStatus = 0x%x decimal %d\n",
ntStatus, ntStatus));
} else
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
dev_info(&ced->interface - dev, "%s: done\n", __func__);
return ntStatus;
/***************************************************************************
** ced_is_1401 - ALWAYS CALLED HOLDING THE io_mutex
**
-** Tests for the current state of the 1401. Sets sCurrentState:
+** Tests for the current state of the 1401. Sets current_state:
**
** U14ERR_NOIF 1401 i/f card not installed (not done here)
** U14ERR_OFF 1401 apparently not switched on
}
mutex_lock(&ced->io_mutex); /* hold stuff off while we wait */
- ced->dwDMAFlag = MODE_CHAR; /* Clear DMA mode flag regardless! */
+ ced->dma_flag = MODE_CHAR; /* Clear DMA mode flag regardless! */
if (iReturn == 0) { /* if all is OK still */
unsigned int state;
iReturn = ced_in_self_test(ced, &state); /* see if likely in self test */
iReturn = state == 0; /* then success is that the state is 0 */
} else
iReturn = 0; /* we failed */
- ced->bForceReset = false; /* Clear forced reset flag now */
+ ced->force_reset = false; /* Clear forced reset flag now */
return iReturn > 0;
}
bool bRet = false; /* assume it will fail and we will reset */
bool bShortTest;
- bShortTest = ((ced->dwDMAFlag == MODE_CHAR) && /* no DMA running */
- (!ced->bForceReset) && /* Not had a real reset forced */
- (ced->sCurrentState >= U14ERR_STD)); /* No 1401 errors stored */
+ bShortTest = ((ced->dma_flag == MODE_CHAR) && /* no DMA running */
+ (!ced->force_reset) && /* Not had a real reset forced */
+ (ced->current_state >= U14ERR_STD)); /* No 1401 errors stored */
dev_dbg(&ced->interface->dev,
"%s: DMAFlag:%d, state:%d, force:%d, testBuff:%d, short:%d\n",
- __func__, ced->dwDMAFlag, ced->sCurrentState, ced->bForceReset,
+ __func__, ced->dma_flag, ced->current_state, ced->force_reset,
bTestBuff, bShortTest);
if ((bTestBuff) && /* Buffer check requested, and... */
- (ced->dwNumInput || ced->dwNumOutput)) { /* ...characters were in the buffer? */
+ (ced->num_input || ced->num_output)) { /* ...characters were in the buffer? */
bShortTest = false; /* Then do the full test */
dev_dbg(&ced->interface->dev,
"%s: will reset as buffers not empty\n", __func__);
if (!bRet && bCanReset) { /* If all not OK, then */
dev_info(&ced->interface->dev, "%s: ced_is_1401 %d %d %d %d\n",
- __func__, bShortTest, ced->sCurrentState, bTestBuff,
- ced->bForceReset);
+ __func__, bShortTest, ced->current_state, bTestBuff,
+ ced->force_reset);
bRet = ced_is_1401(ced); /* do full test */
}
ced_allowi(ced); /* Make sure char reads are running */
ced_send_chars(ced); /* and send any buffered chars */
- spin_lock_irq(&ced->charInLock);
- if (ced->dwNumInput > 0) { /* worth looking */
- iReturn = ced->inputBuffer[ced->dwInBuffGet++];
- if (ced->dwInBuffGet >= INBUF_SZ)
- ced->dwInBuffGet = 0;
- ced->dwNumInput--;
+ spin_lock_irq(&ced->char_in_lock);
+ if (ced->num_input > 0) { /* worth looking */
+ iReturn = ced->input_buffer[ced->in_buff_get++];
+ if (ced->in_buff_get >= INBUF_SZ)
+ ced->in_buff_get = 0;
+ ced->num_input--;
} else
iReturn = U14ERR_NOIN; /* no input data to read */
- spin_unlock_irq(&ced->charInLock);
+ spin_unlock_irq(&ced->char_in_lock);
ced_allowi(ced); /* Make sure char reads are running */
ced_allowi(ced); /* Make sure char reads are running */
ced_send_chars(ced); /* and send any buffered chars */
- spin_lock_irq(&ced->charInLock);
- nAvailable = ced->dwNumInput; /* characters available now */
+ spin_lock_irq(&ced->char_in_lock);
+ nAvailable = ced->num_input; /* characters available now */
if (nAvailable > n) /* read max of space in pUser... */
nAvailable = n; /* ...or input characters */
int nCopyToUser; /* number to copy to user */
char cData;
do {
- cData = ced->inputBuffer[ced->dwInBuffGet++];
+ cData = ced->input_buffer[ced->in_buff_get++];
if (cData == CR_CHAR) /* replace CR with zero */
cData = (char)0;
- if (ced->dwInBuffGet >= INBUF_SZ)
- ced->dwInBuffGet = 0; /* wrap buffer pointer */
+ if (ced->in_buff_get >= INBUF_SZ)
+ ced->in_buff_get = 0; /* wrap buffer pointer */
buffer[nGot++] = cData; /* save the output */
} while ((nGot < nAvailable) && cData);
++nCopyToUser; /* ...copy the 0 as well. */
}
- ced->dwNumInput -= nGot;
- spin_unlock_irq(&ced->charInLock);
+ ced->num_input -= nGot;
+ spin_unlock_irq(&ced->char_in_lock);
dev_dbg(&ced->interface->dev, "%s: read %d characters >%s<\n",
__func__, nGot, buffer);
else
iReturn = nGot; /* report characters read */
} else
- spin_unlock_irq(&ced->charInLock);
+ spin_unlock_irq(&ced->char_in_lock);
ced_allowi(ced); /* Make sure char reads are running */
mutex_unlock(&ced->io_mutex); /* Protect disconnect from new i/o */
mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
ced_allowi(ced); /* make sure we allow pending chars */
ced_send_chars(ced); /* in both directions */
- iReturn = ced->dwNumInput; /* no lock as single read */
+ iReturn = ced->num_input; /* no lock as single read */
mutex_unlock(&ced->io_mutex); /* Protect disconnect from new i/o */
return iReturn;
}
mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
ced_allowi(ced); /* Make sure char reads are running */
ced_send_chars(ced); /* and send any buffered chars */
- spin_lock_irq(&ced->charInLock); /* Get protection */
+ spin_lock_irq(&ced->char_in_lock); /* Get protection */
- if (ced->dwNumInput > 0) { /* worth looking? */
- unsigned int dwIndex = ced->dwInBuffGet; /* start at first available */
- unsigned int dwEnd = ced->dwInBuffPut; /* Position for search end */
+ if (ced->num_input > 0) { /* worth looking? */
+ unsigned int dwIndex = ced->in_buff_get; /* start at first available */
+ unsigned int dwEnd = ced->in_buff_put; /* Position for search end */
do {
- if (ced->inputBuffer[dwIndex++] == CR_CHAR)
+ if (ced->input_buffer[dwIndex++] == CR_CHAR)
++iReturn; /* inc count if CR */
if (dwIndex >= INBUF_SZ) /* see if we fall off buff */
} while (dwIndex != dwEnd); /* go to last available */
}
- spin_unlock_irq(&ced->charInLock);
+ spin_unlock_irq(&ced->char_in_lock);
dev_dbg(&ced->interface->dev, "%s: returned %d\n", __func__, iReturn);
mutex_unlock(&ced->io_mutex); /* Protect disconnect from new i/o */
return iReturn;
int iReturn;
mutex_lock(&ced->io_mutex); /* Protect disconnect from new i/o */
ced_send_chars(ced); /* send any buffered chars */
- iReturn = (int)(OUTBUF_SZ - ced->dwNumOutput); /* no lock needed for single read */
+ iReturn = (int)(OUTBUF_SZ - ced->num_output); /* no lock needed for single read */
dev_dbg(&ced->interface->dev, "%s: %d\n", __func__, iReturn);
mutex_unlock(&ced->io_mutex); /* Protect disconnect from new i/o */
return iReturn;
__func__, nArea);
} else {
/* to save typing */
- struct transarea *pTA = &ced->rTransDef[nArea];
+ struct transarea *pTA = &ced->trans_def[nArea];
if (!pTA->used) /* if not used... */
iReturn = U14ERR_NOTSET; /* ...nothing to be done */
else {
dev_dbg(&ced->interface->dev, "%s: area %d\n",
__func__, nArea);
- spin_lock_irq(&ced->stagedLock);
- if ((ced->StagedId == nArea)
- && (ced->dwDMAFlag > MODE_CHAR)) {
+ spin_lock_irq(&ced->staged_lock);
+ if ((ced->staged_id == nArea)
+ && (ced->dma_flag > MODE_CHAR)) {
iReturn = U14ERR_UNLOCKFAIL; /* cannot delete as in use */
dev_err(&ced->interface->dev,
"%s: call on area %d while active\n",
if (pTA->event_sz) /* if events flagging in use */
wake_up_interruptible(&pTA->event); /* release anything that was waiting */
- if (ced->bXFerWaiting
- && (ced->rDMAInfo.ident == nArea))
- ced->bXFerWaiting = false; /* Cannot have pending xfer if area cleared */
+ if (ced->xfer_waiting
+ && (ced->dma_info.ident == nArea))
+ ced->xfer_waiting = false; /* Cannot have pending xfer if area cleared */
/* Clean out the struct transarea except for the wait queue, which is at the end */
/* This sets used to false and event_sz to 0 to say area not used and no events. */
sizeof(struct transarea) -
sizeof(wait_queue_head_t));
}
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
if (pPages) { /* if we decided to release the memory */
/* Now we must undo the pinning down of the pages. We will assume the worst and mark */
unsigned int ulOffset = ((unsigned long)puBuf) & (PAGE_SIZE - 1);
int len = (dwLength + ulOffset + PAGE_SIZE - 1) >> PAGE_SHIFT;
- struct transarea *pTA = &ced->rTransDef[nArea]; /* to save typing */
+ struct transarea *pTA = &ced->trans_def[nArea]; /* to save typing */
struct page **pPages = NULL; /* space for page tables */
int nPages = 0; /* and number of pages */
/* If you are tempted to use page_address (form LDD3), forget it. You MUST use */
/* kmap() or kmap_atomic() to get a virtual address. page_address will give you */
/* (null) or at least it does in this context with an x86 machine. */
- spin_lock_irq(&ced->stagedLock);
+ spin_lock_irq(&ced->staged_lock);
pTA->buff = puBuf; /* keep start of region (user address) */
pTA->base_offset = ulOffset; /* save offset in first page to start of xfer */
pTA->length = dwLength; /* Size if the region in bytes */
pTA->blocks[1].size = 0;
pTA->used = true; /* This is now a used block */
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
iReturn = U14ERR_NOERROR; /* say all was well */
} else {
iReturn = U14ERR_LOCKFAIL;
if (te.wAreaNum >= MAX_TRANSAREAS) /* the area must exist */
return U14ERR_BADAREA;
else {
- struct transarea *pTA = &ced->rTransDef[te.wAreaNum];
+ struct transarea *pTA = &ced->trans_def[te.wAreaNum];
mutex_lock(&ced->io_mutex); /* make sure we have no competitor */
- spin_lock_irq(&ced->stagedLock);
+ spin_lock_irq(&ced->staged_lock);
if (pTA->used) { /* area must be in use */
pTA->event_st = te.dwStart; /* set area regions */
pTA->event_sz = te.dwLength; /* set size (0 cancels it) */
pTA->wake_up = 0; /* zero the wake up count */
} else
iReturn = U14ERR_NOTSET;
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
mutex_unlock(&ced->io_mutex);
}
return iReturn ==
return U14ERR_BADAREA;
else {
int iWait;
- struct transarea *pTA = &ced->rTransDef[nArea];
+ struct transarea *pTA = &ced->trans_def[nArea];
msTimeOut = (msTimeOut * HZ + 999) / 1000; /* convert timeout to jiffies */
/* We cannot wait holding the mutex, but we check the flags while holding */
else
iReturn = pTA->wake_up; /* else the wakeup count */
- spin_lock_irq(&ced->stagedLock);
+ spin_lock_irq(&ced->staged_lock);
pTA->wake_up = 0; /* clear the flag */
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
}
return iReturn;
}
if ((unsigned)nArea >= MAX_TRANSAREAS)
iReturn = U14ERR_BADAREA;
else {
- struct transarea *pTA = &ced->rTransDef[nArea];
+ struct transarea *pTA = &ced->trans_def[nArea];
mutex_lock(&ced->io_mutex); /* make sure we have no competitor */
- spin_lock_irq(&ced->stagedLock);
+ spin_lock_irq(&ced->staged_lock);
iReturn = pTA->wake_up; /* get wakeup count since last call */
pTA->wake_up = 0; /* clear the count */
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
mutex_unlock(&ced->io_mutex);
}
return iReturn;
unsigned int dwIdent;
mutex_lock(&ced->io_mutex);
- dwIdent = ced->StagedId; /* area ident for last xfer */
+ dwIdent = ced->staged_id; /* area ident for last xfer */
if (dwIdent >= MAX_TRANSAREAS)
iReturn = U14ERR_BADAREA;
else {
mutex_unlock(&ced->io_mutex);
return -ENOMEM;
}
- tx->size = ced->rTransDef[dwIdent].length;
- tx->linear = (long long)((long)ced->rTransDef[dwIdent].buff);
+ tx->size = ced->trans_def[dwIdent].length;
+ tx->linear = (long long)((long)ced->trans_def[dwIdent].buff);
tx->avail = GET_TX_MAXENTRIES; /* how many blocks we could return */
tx->used = 1; /* number we actually return */
tx->entries[0].physical =
- (long long)(tx->linear + ced->StagedOffset);
+ (long long)(tx->linear + ced->staged_offset);
tx->entries[0].size = tx->size;
if (copy_to_user(pTX, tx, sizeof(*tx)))
mutex_lock(&ced->io_mutex);
ced_quick_check(ced, false, false); /* get state up to date, no reset */
- iReturn = ced->sCurrentState;
+ iReturn = ced->current_state;
mutex_unlock(&ced->io_mutex);
dev_dbg(&ced->interface->dev, "%s: %d\n", __func__, iReturn);
ced_flush_out_buff(ced); /* Clear output buffer & pipe */
/* so things stay tidy */
/* ced_read_write_cancel(pDeviceObject); */
- ced->dwDMAFlag = MODE_CHAR; /* Clear DMA mode flags here */
+ ced->dma_flag = MODE_CHAR; /* Clear DMA mode flags here */
nGot = usb_control_msg(ced->udev, usb_rcvctrlpipe(ced->udev, 0),
DB_SELFTEST, (H_TO_D | VENDOR | DEVREQ),
0, 0, NULL, 0, HZ); /* allow 1 second timeout */
- ced->ulSelfTestTime = jiffies + HZ * 30; /* 30 seconds into the future */
+ ced->self_test_time = jiffies + HZ * 30; /* 30 seconds into the future */
mutex_unlock(&ced->io_mutex);
if (nGot < 0)
"Self-test error code %d\n", gst.code);
} else { /* No error, check for timeout */
unsigned long ulNow = jiffies; /* get current time */
- if (time_after(ulNow, ced->ulSelfTestTime)) {
+ if (time_after(ulNow, ced->self_test_time)) {
gst.code = -2; /* Flag the timeout */
dev_dbg(&ced->interface->dev,
"Self-test timed-out\n");
if (gst.code < 0) { /* If we have a problem or finished */
/* If using the 2890 we should reset properly */
- if ((ced->nPipes == 4) && (ced->s1401Type <= TYPEPOWER))
+ if ((ced->n_pipes == 4) && (ced->type <= TYPEPOWER))
ced_is_1401(ced); /* Get 1401 reset and OK */
else
ced_quick_check(ced, true, true); /* Otherwise check without reset unless problems */
mutex_lock(&ced->io_mutex);
dev_dbg(&ced->interface->dev, "%s\n", __func__);
- switch (ced->s1401Type) {
+ switch (ced->type) {
case TYPE1401:
iReturn = U14ERR_STD;
break; /* Handle these types directly */
iReturn = U14ERR_U1401;
break;
default:
- if ((ced->s1401Type >= TYPEPOWER) && (ced->s1401Type <= 25))
- iReturn = ced->s1401Type + 4; /* We can calculate types */
+ if ((ced->type >= TYPEPOWER) && (ced->type <= 25))
+ iReturn = ced->type + 4; /* We can calculate types */
else /* for up-coming 1401 designs */
iReturn = TYPEUNKNOWN; /* Don't know or not there */
}
U14TF_NOTIFY | U14TF_CIRCTH; /* diagnostics, notify and circular */
dev_dbg(&ced->interface->dev, "%s\n", __func__);
mutex_lock(&ced->io_mutex);
- if (ced->bIsUSB2) /* Set flag for USB2 if appropriate */
+ if (ced->is_usb2) /* Set flag for USB2 if appropriate */
iReturn |= U14TF_USB2;
mutex_unlock(&ced->io_mutex);
if (nArea < MAX_TRANSAREAS) { /* The area number must be OK */
/* Pointer to relevant info */
- struct transarea *pArea = &ced->rTransDef[nArea];
- spin_lock_irq(&ced->stagedLock); /* Lock others out */
+ struct transarea *pArea = &ced->trans_def[nArea];
+ spin_lock_irq(&ced->staged_lock); /* Lock others out */
if ((pArea->used) && (pArea->circular) && /* Must be circular area */
(pArea->circ_to_host)) { /* For now at least must be to host */
} else
iReturn = U14ERR_NOTSET;
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
} else
iReturn = U14ERR_BADAREA;
if (nArea < MAX_TRANSAREAS) { /* The area number must be OK */
/* Pointer to relevant info */
- struct transarea *pArea = &ced->rTransDef[nArea];
- spin_lock_irq(&ced->stagedLock); /* Lock others out */
+ struct transarea *pArea = &ced->trans_def[nArea];
+ spin_lock_irq(&ced->staged_lock); /* Lock others out */
if ((pArea->used) && (pArea->circular) && /* Must be circular area */
(pArea->circ_to_host)) { /* For now at least must be to host */
__func__, uSize, uStart,
pArea->blocks[0].size,
pArea->blocks[0].offset,
- ced->bXFerWaiting);
+ ced->xfer_waiting);
/* Return the next available block of memory as well */
if (pArea->blocks[0].size > 0) { /* Got anything? */
cb.dwSize = pArea->blocks[0].size;
}
- bWaiting = ced->bXFerWaiting;
- if (bWaiting && ced->bStagedUrbPending) {
+ bWaiting = ced->xfer_waiting;
+ if (bWaiting && ced->staged_urb_pending) {
dev_err(&ced->interface->dev,
"%s: ERROR: waiting xfer and staged Urb pending!\n",
__func__);
if (bWaiting) { /* Got a block xfer waiting? */
int RWMStat =
ced_read_write_mem(ced,
- !ced->rDMAInfo.outward,
- ced->rDMAInfo.ident,
- ced->rDMAInfo.offset,
- ced->rDMAInfo.size);
+ !ced->dma_info.outward,
+ ced->dma_info.ident,
+ ced->dma_info.offset,
+ ced->dma_info.size);
if (RWMStat != U14ERR_NOERROR)
dev_err(&ced->interface->dev,
"%s: rw setup failed %d\n",
} else
iReturn = U14ERR_NOTSET;
- spin_unlock_irq(&ced->stagedLock);
+ spin_unlock_irq(&ced->staged_lock);
} else
iReturn = U14ERR_BADAREA;
/* Free up the output buffer, then free the output urb. Note that the interface member */
/* of ced will probably be NULL, so cannot be used to get to dev. */
- usb_free_coherent(ced->udev, OUTBUF_SZ, ced->pCoherCharOut,
- ced->pUrbCharOut->transfer_dma);
- usb_free_urb(ced->pUrbCharOut);
+ usb_free_coherent(ced->udev, OUTBUF_SZ, ced->coher_char_out,
+ ced->urb_char_out->transfer_dma);
+ usb_free_urb(ced->urb_char_out);
/* Do the same for chan input */
- usb_free_coherent(ced->udev, INBUF_SZ, ced->pCoherCharIn,
- ced->pUrbCharIn->transfer_dma);
- usb_free_urb(ced->pUrbCharIn);
+ usb_free_coherent(ced->udev, INBUF_SZ, ced->coher_char_in,
+ ced->urb_char_in->transfer_dma);
+ usb_free_urb(ced->urb_char_in);
/* Do the same for the block transfers */
- usb_free_coherent(ced->udev, STAGED_SZ, ced->pCoherStagedIO,
- ced->pStagedUrb->transfer_dma);
- usb_free_urb(ced->pStagedUrb);
+ usb_free_coherent(ced->udev, STAGED_SZ, ced->coher_staged_io,
+ ced->staged_urb->transfer_dma);
+ usb_free_urb(ced->staged_urb);
usb_put_dev(ced->udev);
kfree(ced);
return -ENODEV;
dev_dbg(&ced->interface->dev, "%s: char in pend=%d\n",
- __func__, ced->bReadCharsPending);
+ __func__, ced->read_chars_pending);
/* wait for io to stop */
mutex_lock(&ced->io_mutex);
spin_unlock(&ced->err_lock);
nGot = 0; /* and tidy up again if so */
- spin_lock(&ced->charOutLock); /* already at irq level */
- ced->dwOutBuffGet = 0; /* Reset the output buffer */
- ced->dwOutBuffPut = 0;
- ced->dwNumOutput = 0; /* Clear the char count */
- ced->bPipeError[0] = 1; /* Flag an error for later */
- ced->bSendCharsPending = false; /* Allow other threads again */
- spin_unlock(&ced->charOutLock); /* already at irq level */
+ spin_lock(&ced->char_out_lock); /* already at irq level */
+ ced->out_buff_get = 0; /* Reset the output buffer */
+ ced->out_buff_put = 0;
+ ced->num_output = 0; /* Clear the char count */
+ ced->pipe_error[0] = 1; /* Flag an error for later */
+ ced->send_chars_pending = false; /* Allow other threads again */
+ spin_unlock(&ced->char_out_lock); /* already at irq level */
dev_dbg(&ced->interface->dev,
"%s: char out done, 0 chars sent\n", __func__);
} else {
dev_dbg(&ced->interface->dev,
"%s: char out done, %d chars sent\n", __func__, nGot);
- spin_lock(&ced->charOutLock); /* already at irq level */
- ced->dwNumOutput -= nGot; /* Now adjust the char send buffer */
- ced->dwOutBuffGet += nGot; /* to match what we did */
- if (ced->dwOutBuffGet >= OUTBUF_SZ) /* Can't do this any earlier as data could be overwritten */
- ced->dwOutBuffGet = 0;
+ spin_lock(&ced->char_out_lock); /* already at irq level */
+ ced->num_output -= nGot; /* Now adjust the char send buffer */
+ ced->out_buff_get += nGot; /* to match what we did */
+ if (ced->out_buff_get >= OUTBUF_SZ) /* Can't do this any earlier as data could be overwritten */
+ ced->out_buff_get = 0;
- if (ced->dwNumOutput > 0) { /* if more to be done... */
+ if (ced->num_output > 0) { /* if more to be done... */
int nPipe = 0; /* The pipe number to use */
int iReturn;
- char *pDat = &ced->outputBuffer[ced->dwOutBuffGet];
- unsigned int dwCount = ced->dwNumOutput; /* maximum to send */
- if ((ced->dwOutBuffGet + dwCount) > OUTBUF_SZ) /* does it cross buffer end? */
- dwCount = OUTBUF_SZ - ced->dwOutBuffGet;
- spin_unlock(&ced->charOutLock); /* we are done with stuff that changes */
- memcpy(ced->pCoherCharOut, pDat, dwCount); /* copy output data to the buffer */
- usb_fill_bulk_urb(ced->pUrbCharOut, ced->udev,
+ char *pDat = &ced->output_buffer[ced->out_buff_get];
+ unsigned int dwCount = ced->num_output; /* maximum to send */
+ if ((ced->out_buff_get + dwCount) > OUTBUF_SZ) /* does it cross buffer end? */
+ dwCount = OUTBUF_SZ - ced->out_buff_get;
+
+ /* we are done with stuff that changes */
+ spin_unlock(&ced->char_out_lock);
+
+ memcpy(ced->coher_char_out, pDat, dwCount); /* copy output data to the buffer */
+ usb_fill_bulk_urb(ced->urb_char_out, ced->udev,
usb_sndbulkpipe(ced->udev,
- ced->epAddr[0]),
- ced->pCoherCharOut, dwCount,
+ ced->ep_addr[0]),
+ ced->coher_char_out, dwCount,
ced_writechar_callback, ced);
- ced->pUrbCharOut->transfer_flags |=
+ ced->urb_char_out->transfer_flags |=
URB_NO_TRANSFER_DMA_MAP;
- usb_anchor_urb(ced->pUrbCharOut, &ced->submitted); /* in case we need to kill it */
- iReturn = usb_submit_urb(ced->pUrbCharOut, GFP_ATOMIC);
+ usb_anchor_urb(ced->urb_char_out, &ced->submitted); /* in case we need to kill it */
+ iReturn = usb_submit_urb(ced->urb_char_out, GFP_ATOMIC);
dev_dbg(&ced->interface->dev, "%s: n=%d>%s<\n",
__func__, dwCount, pDat);
- spin_lock(&ced->charOutLock); /* grab lock for errors */
+ spin_lock(&ced->char_out_lock); /* grab lock for errors */
if (iReturn) {
- ced->bPipeError[nPipe] = 1; /* Flag an error to be handled later */
- ced->bSendCharsPending = false; /* Allow other threads again */
- usb_unanchor_urb(ced->pUrbCharOut);
+ ced->pipe_error[nPipe] = 1; /* Flag an error to be handled later */
+ ced->send_chars_pending = false; /* Allow other threads again */
+ usb_unanchor_urb(ced->urb_char_out);
dev_err(&ced->interface->dev,
"%s: usb_submit_urb() returned %d\n",
__func__, iReturn);
}
} else
- ced->bSendCharsPending = false; /* Allow other threads again */
- spin_unlock(&ced->charOutLock); /* already at irq level */
+ /* Allow other threads again */
+ ced->send_chars_pending = false;
+
+ spin_unlock(&ced->char_out_lock); /* already at irq level */
}
}
{
int iReturn = U14ERR_NOERROR;
- spin_lock_irq(&ced->charOutLock); /* Protect ourselves */
+ spin_lock_irq(&ced->char_out_lock); /* Protect ourselves */
- if ((!ced->bSendCharsPending) && /* Not currently sending */
- (ced->dwNumOutput > 0) && /* has characters to output */
+ if ((!ced->send_chars_pending) && /* Not currently sending */
+ (ced->num_output > 0) && /* has characters to output */
(can_accept_io_requests(ced))) { /* and current activity is OK */
- unsigned int dwCount = ced->dwNumOutput; /* Get a copy of the character count */
- ced->bSendCharsPending = true; /* Set flag to lock out other threads */
+ unsigned int dwCount = ced->num_output; /* Get a copy of the */
+ /* character count */
+ ced->send_chars_pending = true; /* Set flag to lock out other threads */
dev_dbg(&ced->interface->dev,
"Send %d chars to 1401, EP0 flag %d\n",
- dwCount, ced->nPipes == 3);
+ dwCount, ced->n_pipes == 3);
/* If we have only 3 end points we must send the characters to the 1401 using EP0. */
- if (ced->nPipes == 3) {
+ if (ced->n_pipes == 3) {
/* For EP0 character transmissions to the 1401, we have to hang about until they */
/* are gone, as otherwise without more character IO activity they will never go. */
unsigned int count = dwCount; /* Local char counter */
unsigned int index = 0; /* The index into the char buffer */
- spin_unlock_irq(&ced->charOutLock); /* Free spinlock as we call USBD */
+ spin_unlock_irq(&ced->char_out_lock); /* Free spinlock as we call USBD */
while ((count > 0) && (iReturn == U14ERR_NOERROR)) {
/* We have to break the transfer up into 64-byte chunks because of a 2270 problem */
DB_CHARS, /* bRequest */
(H_TO_D | VENDOR | DEVREQ), /* to the device, vendor request to the device */
0, 0, /* value and index are both 0 */
- &ced->outputBuffer[index], /* where to send from */
+ &ced->output_buffer[index], /* where to send from */
n, /* how much to send */
1000); /* timeout in jiffies */
if (nSent <= 0) {
}
}
- spin_lock_irq(&ced->charOutLock); /* Protect ced changes, released by general code */
- ced->dwOutBuffGet = 0; /* so reset the output buffer */
- ced->dwOutBuffPut = 0;
- ced->dwNumOutput = 0; /* and clear the buffer count */
- ced->bSendCharsPending = false; /* Allow other threads again */
+ spin_lock_irq(&ced->char_out_lock); /* Protect ced changes, released by general code */
+ ced->out_buff_get = 0; /* so reset the output buffer */
+ ced->out_buff_put = 0;
+ ced->num_output = 0; /* and clear the buffer count */
+ ced->send_chars_pending = false; /* Allow other threads again */
} else { /* Here for sending chars normally - we hold the spin lock */
int nPipe = 0; /* The pipe number to use */
- char *pDat = &ced->outputBuffer[ced->dwOutBuffGet];
+ char *pDat = &ced->output_buffer[ced->out_buff_get];
- if ((ced->dwOutBuffGet + dwCount) > OUTBUF_SZ) /* does it cross buffer end? */
- dwCount = OUTBUF_SZ - ced->dwOutBuffGet;
- spin_unlock_irq(&ced->charOutLock); /* we are done with stuff that changes */
- memcpy(ced->pCoherCharOut, pDat, dwCount); /* copy output data to the buffer */
- usb_fill_bulk_urb(ced->pUrbCharOut, ced->udev,
+ if ((ced->out_buff_get + dwCount) > OUTBUF_SZ) /* does it cross buffer end? */
+ dwCount = OUTBUF_SZ - ced->out_buff_get;
+ spin_unlock_irq(&ced->char_out_lock); /* we are done with stuff that changes */
+ memcpy(ced->coher_char_out, pDat, dwCount); /* copy output data to the buffer */
+ usb_fill_bulk_urb(ced->urb_char_out, ced->udev,
usb_sndbulkpipe(ced->udev,
- ced->epAddr[0]),
- ced->pCoherCharOut, dwCount,
+ ced->ep_addr[0]),
+ ced->coher_char_out, dwCount,
ced_writechar_callback, ced);
- ced->pUrbCharOut->transfer_flags |=
+ ced->urb_char_out->transfer_flags |=
URB_NO_TRANSFER_DMA_MAP;
- usb_anchor_urb(ced->pUrbCharOut, &ced->submitted);
- iReturn = usb_submit_urb(ced->pUrbCharOut, GFP_KERNEL);
- spin_lock_irq(&ced->charOutLock); /* grab lock for errors */
+ usb_anchor_urb(ced->urb_char_out, &ced->submitted);
+ iReturn = usb_submit_urb(ced->urb_char_out, GFP_KERNEL);
+
+ /* grab lock for errors */
+ spin_lock_irq(&ced->char_out_lock);
+
if (iReturn) {
- ced->bPipeError[nPipe] = 1; /* Flag an error to be handled later */
- ced->bSendCharsPending = false; /* Allow other threads again */
- usb_unanchor_urb(ced->pUrbCharOut); /* remove from list of active urbs */
+ ced->pipe_error[nPipe] = 1; /* Flag an error to be handled later */
+ ced->send_chars_pending = false; /* Allow other threads again */
+ usb_unanchor_urb(ced->urb_char_out); /* remove from list of active urbs */
}
}
- } else if (ced->bSendCharsPending && (ced->dwNumOutput > 0))
+ } else if (ced->send_chars_pending && (ced->num_output > 0))
dev_dbg(&ced->interface->dev,
- "%s: bSendCharsPending:true\n", __func__);
+ "%s: send_chars_pending:true\n", __func__);
dev_dbg(&ced->interface->dev, "%s: exit code: %d\n", __func__, iReturn);
- spin_unlock_irq(&ced->charOutLock); /* Now let go of the spinlock */
+ spin_unlock_irq(&ced->char_out_lock); /* Now let go of the spinlock */
return iReturn;
}
/***************************************************************************
** ced_copy_user_space
-** This moves memory between pinned down user space and the pCoherStagedIO
+** This moves memory between pinned down user space and the coher_staged_io
** memory buffer we use for transfers. Copy n bytes in the directions that
-** is defined by ced->StagedRead. The user space is determined by the area
-** in ced->StagedId and the offset in ced->StagedDone. The user
+** is defined by ced->staged_read. The user space is determined by the area
+** in ced->staged_id and the offset in ced->staged_done. The user
** area may well not start on a page boundary, so allow for that.
**
** We have a table of physical pages that describe the area, so we can use
***************************************************************************/
static void ced_copy_user_space(struct ced_data *ced, int n)
{
- unsigned int nArea = ced->StagedId;
+ unsigned int nArea = ced->staged_id;
if (nArea < MAX_TRANSAREAS) {
/* area to be used */
- struct transarea *pArea = &ced->rTransDef[nArea];
+ struct transarea *pArea = &ced->trans_def[nArea];
unsigned int dwOffset =
- ced->StagedDone + ced->StagedOffset + pArea->base_offset;
- char *pCoherBuf = ced->pCoherStagedIO; /* coherent buffer */
+ ced->staged_done + ced->staged_offset + pArea->base_offset;
+ char *pCoherBuf = ced->coher_staged_io; /* coherent buffer */
if (!pArea->used) {
dev_err(&ced->interface->dev, "%s: area %d unused\n",
__func__, nArea);
size_t uiXfer = PAGE_SIZE - uiPageOff; /* max to transfer on this page */
if (uiXfer > n) /* limit byte count if too much */
uiXfer = n; /* for the page */
- if (ced->StagedRead)
+ if (ced->staged_read)
memcpy(pvAddress + uiPageOff,
pCoherBuf, uiXfer);
else
bool bCancel = false;
bool bRestartCharInput; /* used at the end */
- spin_lock(&ced->stagedLock); /* stop ced_read_write_mem() action while this routine is running */
- ced->bStagedUrbPending = false; /* clear the flag for staged IRP pending */
+ spin_lock(&ced->staged_lock); /* stop ced_read_write_mem() action */
+ /* while this routine is running */
+ ced->staged_urb_pending = false; /* clear the flag for staged IRP pending */
if (pUrb->status) { /* sync/async unlink faults aren't errors */
if (!
} else {
dev_dbg(&ced->interface->dev, "%s: %d chars xferred\n",
__func__, nGot);
- if (ced->StagedRead) /* if reading, save to user space */
+ if (ced->staged_read) /* if reading, save to user space */
ced_copy_user_space(ced, nGot); /* copy from buffer to user */
if (nGot == 0)
dev_dbg(&ced->interface->dev, "%s: ZLP\n", __func__);
}
/* Update the transfer length based on the TransferBufferLength value in the URB */
- ced->StagedDone += nGot;
+ ced->staged_done += nGot;
dev_dbg(&ced->interface->dev, "%s: done %d bytes of %d\n",
- __func__, ced->StagedDone, ced->StagedLength);
+ __func__, ced->staged_done, ced->staged_length);
- if ((ced->StagedDone == ced->StagedLength) || /* If no more to do */
+ if ((ced->staged_done == ced->staged_length) || /* If no more to do */
(bCancel)) { /* or this IRP was cancelled */
/* Transfer area info */
- struct transarea *pArea = &ced->rTransDef[ced->StagedId];
+ struct transarea *pArea = &ced->trans_def[ced->staged_id];
dev_dbg(&ced->interface->dev,
"%s: transfer done, bytes %d, cancel %d\n",
- __func__, ced->StagedDone, bCancel);
+ __func__, ced->staged_done, bCancel);
/* Here is where we sort out what to do with this transfer if using a circular buffer. We have */
/* a completed transfer that can be assumed to fit into the transfer area. We should be able to */
/* add this to the end of a growing block or to use it to start a new block unless the code */
/* that calculates the offset to use (in ced_read_write_mem) is totally duff. */
if ((pArea->circular) && (pArea->circ_to_host) && (!bCancel) && /* Time to sort out circular buffer info? */
- (ced->StagedRead)) { /* Only for tohost transfers for now */
+ (ced->staged_read)) {/* Only for tohost transfers for now */
if (pArea->blocks[1].size > 0) { /* If block 1 is in use we must append to it */
- if (ced->StagedOffset ==
+ if (ced->staged_offset ==
(pArea->blocks[1].offset +
pArea->blocks[1].size)) {
pArea->blocks[1].size +=
- ced->StagedLength;
+ ced->staged_length;
dev_dbg(&ced->interface->dev,
"RWM_Complete, circ block 1 now %d bytes at %d\n",
pArea->blocks[1].size,
} else {
/* Here things have gone very, very, wrong, but I cannot see how this can actually be achieved */
pArea->blocks[1].offset =
- ced->StagedOffset;
+ ced->staged_offset;
pArea->blocks[1].size =
- ced->StagedLength;
+ ced->staged_length;
dev_err(&ced->interface->dev,
"%s: ERROR, circ block 1 re-started %d bytes at %d\n",
__func__,
} else { /* If block 1 is not used, we try to add to block 0 */
if (pArea->blocks[0].size > 0) { /* Got stored block 0 information? */
/* Must append onto the existing block 0 */
- if (ced->StagedOffset ==
+ if (ced->staged_offset ==
(pArea->blocks[0].offset +
pArea->blocks[0].size)) {
- pArea->blocks[0].size += ced->StagedLength; /* Just add this transfer in */
+ pArea->blocks[0].size += ced->staged_length; /* Just add this transfer in */
dev_dbg(&ced->interface->dev,
"RWM_Complete, circ block 0 now %d bytes at %d\n",
pArea->blocks[0].
offset);
} else { /* If it doesn't append, put into new block 1 */
pArea->blocks[1].offset =
- ced->StagedOffset;
+ ced->staged_offset;
pArea->blocks[1].size =
- ced->StagedLength;
+ ced->staged_length;
dev_dbg(&ced->interface->dev,
"RWM_Complete, circ block 1 started %d bytes at %d\n",
pArea->blocks[1].
}
} else { /* No info stored yet, just save in block 0 */
pArea->blocks[0].offset =
- ced->StagedOffset;
+ ced->staged_offset;
pArea->blocks[0].size =
- ced->StagedLength;
+ ced->staged_length;
dev_dbg(&ced->interface->dev,
"RWM_Complete, circ block 0 started %d bytes at %d\n",
pArea->blocks[0].size,
pArea->circular, pArea->event_to_host,
pArea->event_st, pArea->event_sz);
if ((pArea->event_sz) && /* Set a user-mode event... */
- (ced->StagedRead == pArea->event_to_host)) { /* ...on transfers in this direction? */
+ (ced->staged_read == pArea->event_to_host)) { /* ...on transfers in this direction? */
int iWakeUp = 0; /* assume */
/* If we have completed the right sort of DMA */
iWakeUp = (dwTotal >= pArea->event_sz);
} else {
unsigned int transEnd =
- ced->StagedOffset +
- ced->StagedLength;
+ ced->staged_offset +
+ ced->staged_length;
unsigned int eventEnd =
pArea->event_st + pArea->event_sz;
- iWakeUp = (ced->StagedOffset < eventEnd)
+ iWakeUp = (ced->staged_offset < eventEnd)
&& (transEnd > pArea->event_st);
}
}
}
- ced->dwDMAFlag = MODE_CHAR; /* Switch back to char mode before ced_read_write_mem call */
+ ced->dma_flag = MODE_CHAR; /* Switch back to char mode before ced_read_write_mem call */
if (!bCancel) { /* Don't look for waiting transfer if cancelled */
/* If we have a transfer waiting, kick it off */
- if (ced->bXFerWaiting) { /* Got a block xfer waiting? */
+ if (ced->xfer_waiting) {/* Got a block xfer waiting? */
int iReturn;
dev_info(&ced->interface->dev,
"*** RWM_Complete *** pending transfer will now be set up!!!\n");
iReturn =
- ced_read_write_mem(ced, !ced->rDMAInfo.outward,
- ced->rDMAInfo.ident,
- ced->rDMAInfo.offset,
- ced->rDMAInfo.size);
+ ced_read_write_mem(ced, !ced->dma_info.outward,
+ ced->dma_info.ident,
+ ced->dma_info.offset,
+ ced->dma_info.size);
if (iReturn)
dev_err(&ced->interface->dev,
} else /* Here for more to do */
ced_stage_chunk(ced); /* fire off the next bit */
- /* While we hold the stagedLock, see if we should reallow character input ints */
+ /* While we hold the staged_lock, see if we should reallow character input ints */
/* Don't allow if cancelled, or if a new block has started or if there is a waiting block. */
- /* This feels wrong as we should ask which spin lock protects dwDMAFlag. */
- bRestartCharInput = !bCancel && (ced->dwDMAFlag == MODE_CHAR)
- && !ced->bXFerWaiting;
+ /* This feels wrong as we should ask which spin lock protects dma_flag. */
+ bRestartCharInput = !bCancel && (ced->dma_flag == MODE_CHAR) &&
+ !ced->xfer_waiting;
- spin_unlock(&ced->stagedLock); /* Finally release the lock again */
+ spin_unlock(&ced->staged_lock); /* Finally release the lock again */
- /* This is not correct as dwDMAFlag is protected by the staged lock, but it is treated */
+ /* This is not correct as dma_flag is protected by the staged lock, but it is treated */
/* in ced_allowi as if it were protected by the char lock. In any case, most systems will */
/* not be upset by char input during DMA... sigh. Needs sorting out. */
if (bRestartCharInput) /* may be out of date, but... */
{
int iReturn = U14ERR_NOERROR;
unsigned int ChunkSize;
- int nPipe = ced->StagedRead ? 3 : 2; /* The pipe number to use for reads or writes */
- if (ced->nPipes == 3)
+ int nPipe = ced->staged_read ? 3 : 2; /* The pipe number to use for reads or writes */
+ if (ced->n_pipes == 3)
nPipe--; /* Adjust for the 3-pipe case */
if (nPipe < 0) /* and trap case that should never happen */
return U14ERR_FAIL;
return U14ERR_FAIL; /* could do with a better error */
}
- ChunkSize = (ced->StagedLength - ced->StagedDone); /* transfer length remaining */
+ ChunkSize = (ced->staged_length - ced->staged_done); /* transfer length remaining */
if (ChunkSize > STAGED_SZ) /* make sure to keep legal */
ChunkSize = STAGED_SZ; /* limit to max allowed */
- if (!ced->StagedRead) /* if writing... */
+ if (!ced->staged_read) /* if writing... */
ced_copy_user_space(ced, ChunkSize); /* ...copy data into the buffer */
- usb_fill_bulk_urb(ced->pStagedUrb, ced->udev,
- ced->StagedRead ? usb_rcvbulkpipe(ced->udev,
+ usb_fill_bulk_urb(ced->staged_urb, ced->udev,
+ ced->staged_read ? usb_rcvbulkpipe(ced->udev,
ced->
- epAddr[nPipe]) :
- usb_sndbulkpipe(ced->udev, ced->epAddr[nPipe]),
- ced->pCoherStagedIO, ChunkSize, staged_callback, ced);
- ced->pStagedUrb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- usb_anchor_urb(ced->pStagedUrb, &ced->submitted); /* in case we need to kill it */
- iReturn = usb_submit_urb(ced->pStagedUrb, GFP_ATOMIC);
+ ep_addr[nPipe]) :
+ usb_sndbulkpipe(ced->udev, ced->ep_addr[nPipe]),
+ ced->coher_staged_io, ChunkSize,
+ staged_callback, ced);
+ ced->staged_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ usb_anchor_urb(ced->staged_urb, &ced->submitted); /* in case we need to kill it */
+ iReturn = usb_submit_urb(ced->staged_urb, GFP_ATOMIC);
if (iReturn) {
- usb_unanchor_urb(ced->pStagedUrb); /* kill it */
- ced->bPipeError[nPipe] = 1; /* Flag an error to be handled later */
+ usb_unanchor_urb(ced->staged_urb); /* kill it */
+ ced->pipe_error[nPipe] = 1; /* Flag an error to be handled later */
dev_err(&ced->interface->dev, "%s: submit urb failed, code %d\n",
__func__, iReturn);
} else
- ced->bStagedUrbPending = true; /* Set the flag for staged URB pending */
+ ced->staged_urb_pending = true; /* Set the flag for staged URB pending */
dev_dbg(&ced->interface->dev, "%s: done so far:%d, this size:%d\n",
- __func__, ced->StagedDone, ChunkSize);
+ __func__, ced->staged_done, ChunkSize);
return iReturn;
}
** Breaks up a read or write in to specified sized chunks, as specified by pipe
** information on maximum transfer size.
**
-** Any code that calls this must be holding the stagedLock
+** Any code that calls this must be holding the staged_lock
**
** Arguments:
** DeviceObject - pointer to our FDO (Functional Device Object)
unsigned int dwOffs, unsigned int dwLen)
{
/* Transfer area info */
- struct transarea *pArea = &ced->rTransDef[wIdent];
+ struct transarea *pArea = &ced->trans_def[wIdent];
if (!can_accept_io_requests(ced)) { /* Are we in a state to accept new requests? */
dev_err(&ced->interface->dev, "%s: can't accept requests\n",
/* Amazingly, we can get an escape sequence back before the current staged Urb is done, so we */
/* have to check for this situation and, if so, wait until all is OK. */
- if (ced->bStagedUrbPending) {
- ced->bXFerWaiting = true; /* Flag we are waiting */
+ if (ced->staged_urb_pending) {
+ ced->xfer_waiting = true; /* Flag we are waiting */
dev_info(&ced->interface->dev,
"%s: xfer is waiting, as previous staged pending\n",
__func__);
}
if (bWait) { /* This transfer will have to wait? */
- ced->bXFerWaiting = true; /* Flag we are waiting */
+ ced->xfer_waiting = true; /* Flag we are waiting */
dev_dbg(&ced->interface->dev,
"%s: xfer waiting for circular buffer space\n",
__func__);
__func__, dwLen, dwOffs);
}
/* Save the parameters for the read\write transfer */
- ced->StagedRead = Read; /* Save the parameters for this read */
- ced->StagedId = wIdent; /* ID allows us to get transfer area info */
- ced->StagedOffset = dwOffs; /* The area within the transfer area */
- ced->StagedLength = dwLen;
- ced->StagedDone = 0; /* Initialise the byte count */
- ced->dwDMAFlag = MODE_LINEAR; /* Set DMA mode flag at this point */
- ced->bXFerWaiting = false; /* Clearly not a transfer waiting now */
+ ced->staged_read = Read; /* Save the parameters for this read */
+ ced->staged_id = wIdent; /* ID allows us to get transfer area info */
+ ced->staged_offset = dwOffs; /* The area within the transfer area */
+ ced->staged_length = dwLen;
+ ced->staged_done = 0; /* Initialise the byte count */
+ ced->dma_flag = MODE_LINEAR; /* Set DMA mode flag at this point */
+ ced->xfer_waiting = false; /* Clearly not a transfer waiting now */
/* KeClearEvent(&ced->StagingDoneEvent); // Clear the transfer done event */
ced_stage_chunk(ced); /* fire off the first chunk */
pDmaDesc->size);
if ((wIdent >= MAX_TRANSAREAS) || /* Illegal area number, or... */
- (!ced->rTransDef[wIdent].used) || /* area not set up, or... */
- (pDmaDesc->offset > ced->rTransDef[wIdent].length) || /* range/size */
+ (!ced->trans_def[wIdent].used) || /* area not set up, or... */
+ (pDmaDesc->offset > ced->trans_def[wIdent].length) || /* range/size */
((pDmaDesc->offset +
pDmaDesc->size) >
- (ced->rTransDef[wIdent].
+ (ced->trans_def[wIdent].
length))) {
bResult = false; /* bad parameter(s) */
dev_dbg(&ced->interface->dev,
"%s: bad param - id %d, bUsed %d, offset %d, size %d, area length %d\n",
__func__, wIdent,
- ced->rTransDef[wIdent].
+ ced->trans_def[wIdent].
used,
pDmaDesc->offset,
pDmaDesc->size,
- ced->rTransDef[wIdent].
+ ced->trans_def[wIdent].
length);
}
}
if (pCh[0] == '?') { /* Is this an information response */
/* Parse and save the information */
} else {
- spin_lock(&ced->stagedLock); /* Lock others out */
+ spin_lock(&ced->staged_lock); /* Lock others out */
- if (ced_read_dma_info(&ced->rDMAInfo, ced, pCh, dwCount)) { /* Get DMA parameters */
- unsigned short wTransType = ced->rDMAInfo.trans_type; /* check transfer type */
+ if (ced_read_dma_info(&ced->dma_info, ced, pCh, dwCount)) { /* Get DMA parameters */
+ unsigned short wTransType = ced->dma_info.trans_type; /* check transfer type */
dev_dbg(&ced->interface->dev,
"%s: xfer to %s, offset %d, length %d\n",
__func__,
- ced->rDMAInfo.outward ? "1401" : "host",
- ced->rDMAInfo.offset, ced->rDMAInfo.size);
+ ced->dma_info.outward ? "1401" : "host",
+ ced->dma_info.offset, ced->dma_info.size);
- if (ced->bXFerWaiting) { /* Check here for badly out of kilter... */
+ /* Check here for badly out of kilter... */
+ if (ced->xfer_waiting) {
/* This can never happen, really */
dev_err(&ced->interface->dev,
"ERROR: DMA setup while transfer still waiting\n");
|| (wTransType == TM_EXTTO1401)) {
iReturn =
ced_read_write_mem(ced,
- !ced->rDMAInfo.outward,
- ced->rDMAInfo.ident,
- ced->rDMAInfo.offset,
- ced->rDMAInfo.size);
+ !ced->dma_info.outward,
+ ced->dma_info.ident,
+ ced->dma_info.offset,
+ ced->dma_info.size);
if (iReturn != U14ERR_NOERROR)
dev_err(&ced->interface->dev,
"%s: ced_read_write_mem() failed %d\n",
dev_err(&ced->interface->dev, "%s: ced_read_dma_info() fail\n",
__func__);
- spin_unlock(&ced->stagedLock); /* OK here */
+ spin_unlock(&ced->staged_lock); /* OK here */
}
dev_dbg(&ced->interface->dev, "%s: returns %d\n", __func__, iReturn);
int nGot = pUrb->actual_length; /* what we transferred */
if (pUrb->status) { /* Do we have a problem to handle? */
- int nPipe = ced->nPipes == 4 ? 1 : 0; /* The pipe number to use for error */
+ int nPipe = ced->n_pipes == 4 ? 1 : 0; /* The pipe number to use for error */
/* sync/async unlink faults aren't errors... just saying device removed or stopped */
if (!
(pUrb->status == -ENOENT || pUrb->status == -ECONNRESET
spin_unlock(&ced->err_lock);
nGot = 0; /* and tidy up again if so */
- spin_lock(&ced->charInLock); /* already at irq level */
- ced->bPipeError[nPipe] = 1; /* Flag an error for later */
+ spin_lock(&ced->char_in_lock); /* already at irq level */
+ ced->pipe_error[nPipe] = 1; /* Flag an error for later */
} else {
- if ((nGot > 1) && ((ced->pCoherCharIn[0] & 0x7f) == 0x1b)) { /* Esc sequence? */
- ced_handle_esc(ced, &ced->pCoherCharIn[1], nGot - 1); /* handle it */
- spin_lock(&ced->charInLock); /* already at irq level */
+ if ((nGot > 1) && ((ced->coher_char_in[0] & 0x7f) == 0x1b)) { /* Esc sequence? */
+ ced_handle_esc(ced, &ced->coher_char_in[1], nGot - 1); /* handle it */
+ spin_lock(&ced->char_in_lock); /* already at irq level */
} else {
- spin_lock(&ced->charInLock); /* already at irq level */
+ spin_lock(&ced->char_in_lock); /* already at irq level */
if (nGot > 0) {
unsigned int i;
if (nGot < INBUF_SZ) {
- ced->pCoherCharIn[nGot] = 0; /* tidy the string */
+ ced->coher_char_in[nGot] = 0; /* tidy the string */
dev_dbg(&ced->interface->dev,
"%s: got %d chars >%s<\n",
__func__, nGot,
- ced->pCoherCharIn);
+ ced->coher_char_in);
}
/* We know that whatever we read must fit in the input buffer */
for (i = 0; i < nGot; i++) {
- ced->inputBuffer[ced->dwInBuffPut++] =
- ced->pCoherCharIn[i] & 0x7F;
- if (ced->dwInBuffPut >= INBUF_SZ)
- ced->dwInBuffPut = 0;
+ ced->input_buffer[ced->in_buff_put++] =
+ ced->coher_char_in[i] & 0x7F;
+ if (ced->in_buff_put >= INBUF_SZ)
+ ced->in_buff_put = 0;
}
- if ((ced->dwNumInput + nGot) <= INBUF_SZ)
- ced->dwNumInput += nGot; /* Adjust the buffer count accordingly */
+ if ((ced->num_input + nGot) <= INBUF_SZ)
+ ced->num_input += nGot; /* Adjust the buffer count accordingly */
} else
dev_dbg(&ced->interface->dev, "%s: read ZLP\n",
__func__);
}
}
- ced->bReadCharsPending = false; /* No longer have a pending read */
- spin_unlock(&ced->charInLock); /* already at irq level */
+ ced->read_chars_pending = false; /* No longer have a pending read */
+ spin_unlock(&ced->char_in_lock); /* already at irq level */
ced_allowi(ced); /* see if we can do the next one */
}
{
int iReturn = U14ERR_NOERROR;
unsigned long flags;
- spin_lock_irqsave(&ced->charInLock, flags); /* can be called in multiple contexts */
+
+ /* can be called in multiple contexts */
+ spin_lock_irqsave(&ced->char_in_lock, flags);
/* We don't want char input running while DMA is in progress as we know that this */
/* can cause sequencing problems for the 2270. So don't. It will also allow the */
/* ERR response to get back to the host code too early on some PCs, even if there */
/* is no actual driver failure, so we don't allow this at all. */
- if (!ced->bInDrawDown && /* stop input if */
- !ced->bReadCharsPending && /* If no read request outstanding */
- (ced->dwNumInput < (INBUF_SZ / 2)) && /* and there is some space */
- (ced->dwDMAFlag == MODE_CHAR) && /* not doing any DMA */
- (!ced->bXFerWaiting) && /* no xfer waiting to start */
+ if (!ced->in_draw_down && /* stop input if */
+ !ced->read_chars_pending && /* If no read request outstanding */
+ (ced->num_input < (INBUF_SZ / 2)) && /* and there is some space */
+ (ced->dma_flag == MODE_CHAR) && /* not doing any DMA */
+ (!ced->xfer_waiting) && /* no xfer waiting to start */
(can_accept_io_requests(ced))) { /* and activity is generally OK */
/* then off we go */
- unsigned int nMax = INBUF_SZ - ced->dwNumInput; /* max we could read */
- int nPipe = ced->nPipes == 4 ? 1 : 0; /* The pipe number to use */
+ unsigned int nMax = INBUF_SZ - ced->num_input; /* max we could read */
+ int nPipe = ced->n_pipes == 4 ? 1 : 0; /* The pipe number to use */
dev_dbg(&ced->interface->dev, "%s: %d chars in input buffer\n",
- __func__, ced->dwNumInput);
-
- usb_fill_int_urb(ced->pUrbCharIn, ced->udev,
- usb_rcvintpipe(ced->udev, ced->epAddr[nPipe]),
- ced->pCoherCharIn, nMax, ced_readchar_callback,
- ced, ced->bInterval);
- ced->pUrbCharIn->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; /* short xfers are OK by default */
- usb_anchor_urb(ced->pUrbCharIn, &ced->submitted); /* in case we need to kill it */
- iReturn = usb_submit_urb(ced->pUrbCharIn, GFP_ATOMIC);
+ __func__, ced->num_input);
+
+ usb_fill_int_urb(ced->urb_char_in, ced->udev,
+ usb_rcvintpipe(ced->udev, ced->ep_addr[nPipe]),
+ ced->coher_char_in, nMax, ced_readchar_callback,
+ ced, ced->interval);
+
+ /* short xfers are OK by default */
+ ced->urb_char_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ /* in case we need to kill it */
+ usb_anchor_urb(ced->urb_char_in, &ced->submitted);
+
+ iReturn = usb_submit_urb(ced->urb_char_in, GFP_ATOMIC);
if (iReturn) {
- usb_unanchor_urb(ced->pUrbCharIn); /* remove from list of active Urbs */
- ced->bPipeError[nPipe] = 1; /* Flag an error to be handled later */
+ usb_unanchor_urb(ced->urb_char_in); /* remove from list of active Urbs */
+ ced->pipe_error[nPipe] = 1; /* Flag an error to be handled later */
dev_err(&ced->interface->dev,
"%s: submit urb failed: %d\n",
__func__, iReturn);
} else
- ced->bReadCharsPending = true; /* Flag that we are active here */
+ ced->read_chars_pending = true; /* Flag that we are active here */
}
- spin_unlock_irqrestore(&ced->charInLock, flags);
+ spin_unlock_irqrestore(&ced->char_in_lock, flags);
return iReturn;
return ced_dbg_stop_loop(ced);
case _IOC_NR(IOCTL_CED_FULLRESET):
- ced->bForceReset = true; /* Set a flag for a full reset */
+ ced->force_reset = true; /* Set a flag for a full reset */
break;
case _IOC_NR(IOCTL_CED_SETCIRCULAR):
goto error;
for (i = 0; i < MAX_TRANSAREAS; ++i) { /* Initialise the wait queues */
- init_waitqueue_head(&ced->rTransDef[i].event);
+ init_waitqueue_head(&ced->trans_def[i].event);
}
/* Put initialises for our stuff here. Note that all of *ced is zero, so */
/* no need to explicitly zero it. */
- spin_lock_init(&ced->charOutLock);
- spin_lock_init(&ced->charInLock);
- spin_lock_init(&ced->stagedLock);
+ spin_lock_init(&ced->char_out_lock);
+ spin_lock_init(&ced->char_in_lock);
+ spin_lock_init(&ced->staged_lock);
/* Initialises from the skeleton stuff */
kref_init(&ced->kref);
bcdDevice = ced->udev->descriptor.bcdDevice;
i = (bcdDevice >> 8);
if (i == 0)
- ced->s1401Type = TYPEU1401;
+ ced->type = TYPEU1401;
else if ((i >= 1) && (i <= 23))
- ced->s1401Type = i + 2;
+ ced->type = i + 2;
else {
dev_err(&interface->dev, "%s: Unknown device. bcdDevice = %d\n",
__func__, bcdDevice);
/* set up the endpoint information. We only care about the number of EP as */
/* we know that we are dealing with a 1401 device. */
iface_desc = interface->cur_altsetting;
- ced->nPipes = iface_desc->desc.bNumEndpoints;
+ ced->n_pipes = iface_desc->desc.bNumEndpoints;
dev_info(&interface->dev, "1401Type=%d with %d End Points\n",
- ced->s1401Type, ced->nPipes);
- if ((ced->nPipes < 3) || (ced->nPipes > 4))
+ ced->type, ced->n_pipes);
+ if ((ced->n_pipes < 3) || (ced->n_pipes > 4))
goto error;
/* Allocate the URBs we hold for performing transfers */
- ced->pUrbCharOut = usb_alloc_urb(0, GFP_KERNEL); /* character output URB */
- ced->pUrbCharIn = usb_alloc_urb(0, GFP_KERNEL); /* character input URB */
- ced->pStagedUrb = usb_alloc_urb(0, GFP_KERNEL); /* block transfer URB */
- if (!ced->pUrbCharOut || !ced->pUrbCharIn || !ced->pStagedUrb) {
+ ced->urb_char_out = usb_alloc_urb(0, GFP_KERNEL); /* character output URB */
+ ced->urb_char_in = usb_alloc_urb(0, GFP_KERNEL); /* character input URB */
+ ced->staged_urb = usb_alloc_urb(0, GFP_KERNEL); /* block transfer URB */
+ if (!ced->urb_char_out || !ced->urb_char_in || !ced->staged_urb) {
dev_err(&interface->dev, "%s: URB alloc failed\n", __func__);
goto error;
}
- ced->pCoherStagedIO =
+ ced->coher_staged_io =
usb_alloc_coherent(ced->udev, STAGED_SZ, GFP_KERNEL,
- &ced->pStagedUrb->transfer_dma);
- ced->pCoherCharOut =
+ &ced->staged_urb->transfer_dma);
+ ced->coher_char_out =
usb_alloc_coherent(ced->udev, OUTBUF_SZ, GFP_KERNEL,
- &ced->pUrbCharOut->transfer_dma);
- ced->pCoherCharIn =
+ &ced->urb_char_out->transfer_dma);
+ ced->coher_char_in =
usb_alloc_coherent(ced->udev, INBUF_SZ, GFP_KERNEL,
- &ced->pUrbCharIn->transfer_dma);
- if (!ced->pCoherCharOut || !ced->pCoherCharIn || !ced->pCoherStagedIO) {
+ &ced->urb_char_in->transfer_dma);
+ if (!ced->coher_char_out || !ced->coher_char_in ||
+ !ced->coher_staged_io) {
dev_err(&interface->dev, "%s: Coherent buffer alloc failed\n",
__func__);
goto error;
}
- for (i = 0; i < ced->nPipes; ++i) {
+ for (i = 0; i < ced->n_pipes; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
- ced->epAddr[i] = endpoint->bEndpointAddress;
+ ced->ep_addr[i] = endpoint->bEndpointAddress;
dev_info(&interface->dev, "Pipe %d, ep address %02x\n",
- i, ced->epAddr[i]);
- if (((ced->nPipes == 3) && (i == 0)) || /* if char input end point */
- ((ced->nPipes == 4) && (i == 1))) {
- ced->bInterval = endpoint->bInterval; /* save the endpoint interrupt interval */
- dev_info(&interface->dev, "Pipe %d, bInterval = %d\n",
- i, ced->bInterval);
+ i, ced->ep_addr[i]);
+ if (((ced->n_pipes == 3) && (i == 0)) || /* if char input end point */
+ ((ced->n_pipes == 4) && (i == 1))) {
+ /* save the endpoint interrupt interval */
+ ced->interval = endpoint->bInterval;
+ dev_info(&interface->dev, "Pipe %d, interval = %d\n",
+ i, ced->interval);
}
/* Detect USB2 by checking last ep size (64 if USB1) */
- if (i == ced->nPipes - 1) { /* if this is the last ep (bulk) */
- ced->bIsUSB2 =
+ if (i == ced->n_pipes - 1) { /* if this is the last ep (bulk) */
+ ced->is_usb2 =
le16_to_cpu(endpoint->wMaxPacketSize) > 64;
dev_info(&ced->interface->dev, "USB%d\n",
- ced->bIsUSB2 + 1);
+ ced->is_usb2 + 1);
}
}
int time;
dev_dbg(&ced->interface->dev, "%s: called\n", __func__);
- ced->bInDrawDown = true;
+ ced->in_draw_down = true;
time = usb_wait_anchor_empty_timeout(&ced->submitted, 3000);
if (!time) { /* if we timed out we kill the urbs */
usb_kill_anchored_urbs(&ced->submitted);
dev_err(&ced->interface->dev, "%s: timed out\n", __func__);
}
- ced->bInDrawDown = false;
+ ced->in_draw_down = false;
}
static int ced_suspend(struct usb_interface *intf, pm_message_t message)
projects / linux-beck.git / commitdiff