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path: root/drivers/staging/epl/proc_fs.c
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Diffstat (limited to 'drivers/staging/epl/proc_fs.c')
-rw-r--r--drivers/staging/epl/proc_fs.c413
1 files changed, 201 insertions, 212 deletions
diff --git a/drivers/staging/epl/proc_fs.c b/drivers/staging/epl/proc_fs.c
index 5258e49b14a..f4910332d3c 100644
--- a/drivers/staging/epl/proc_fs.c
+++ b/drivers/staging/epl/proc_fs.c
@@ -91,11 +91,10 @@
#include <linux/spinlock.h>
#ifdef CONFIG_COLDFIRE
- #include <asm/coldfire.h>
- #include "fec.h"
+#include <asm/coldfire.h>
+#include "fec.h"
#endif
-
/***************************************************************************/
/* */
/* */
@@ -113,45 +112,44 @@
#endif
#ifndef DBG_TRACE_POINTS
-#define DBG_TRACE_POINTS 23 // # of supported debug trace points
+#define DBG_TRACE_POINTS 23 // # of supported debug trace points
#endif
#ifndef DBG_TRACE_VALUES
-#define DBG_TRACE_VALUES 24 // # of supported debug trace values (size of circular buffer)
+#define DBG_TRACE_VALUES 24 // # of supported debug trace values (size of circular buffer)
#endif
//---------------------------------------------------------------------------
// modul global types
//---------------------------------------------------------------------------
-
//---------------------------------------------------------------------------
// local vars
//---------------------------------------------------------------------------
#ifdef _DBG_TRACE_POINTS_
- atomic_t aatmDbgTracePoint_l[DBG_TRACE_POINTS];
- DWORD adwDbgTraceValue_l[DBG_TRACE_VALUES];
- DWORD dwDbgTraceValueOld_l;
- unsigned int uiDbgTraceValuePos_l;
- spinlock_t spinlockDbgTraceValue_l;
- unsigned long ulDbTraceValueFlags_l;
+atomic_t aatmDbgTracePoint_l[DBG_TRACE_POINTS];
+DWORD adwDbgTraceValue_l[DBG_TRACE_VALUES];
+DWORD dwDbgTraceValueOld_l;
+unsigned int uiDbgTraceValuePos_l;
+spinlock_t spinlockDbgTraceValue_l;
+unsigned long ulDbTraceValueFlags_l;
#endif
//---------------------------------------------------------------------------
// local function prototypes
//---------------------------------------------------------------------------
-static int EplLinProcRead (char* pcBuffer_p, char** ppcStart_p, off_t Offset_p, int nBufferSize_p, int* pEof_p, void* pData_p);
-static int EplLinProcWrite(struct file *file, const char __user *buffer, unsigned long count, void *data);
-
-void PUBLIC TgtDbgSignalTracePoint (BYTE bTracePointNumber_p);
-void PUBLIC TgtDbgPostTraceValue (DWORD dwTraceValue_p);
+static int EplLinProcRead(char *pcBuffer_p, char **ppcStart_p, off_t Offset_p,
+ int nBufferSize_p, int *pEof_p, void *pData_p);
+static int EplLinProcWrite(struct file *file, const char __user * buffer,
+ unsigned long count, void *data);
+void PUBLIC TgtDbgSignalTracePoint(BYTE bTracePointNumber_p);
+void PUBLIC TgtDbgPostTraceValue(DWORD dwTraceValue_p);
EPLDLLEXPORT DWORD PUBLIC EplIdentuGetRunningRequests(void);
-
//=========================================================================//
// //
// P U B L I C F U N C T I O N S //
@@ -160,35 +158,32 @@ EPLDLLEXPORT DWORD PUBLIC EplIdentuGetRunningRequests(void);
tEplKernel EplLinProcInit(void)
{
- struct proc_dir_entry* pProcDirEntry;
- pProcDirEntry = create_proc_entry (EPL_PROC_DEV_NAME, S_IRUGO, NULL);
- if (pProcDirEntry != NULL)
- {
- pProcDirEntry->read_proc = EplLinProcRead;
- pProcDirEntry->write_proc = EplLinProcWrite;
- pProcDirEntry->data = NULL; // device number or something else
-
- }
- else
- {
- return kEplNoResource;
- }
+ struct proc_dir_entry *pProcDirEntry;
+ pProcDirEntry = create_proc_entry(EPL_PROC_DEV_NAME, S_IRUGO, NULL);
+ if (pProcDirEntry != NULL) {
+ pProcDirEntry->read_proc = EplLinProcRead;
+ pProcDirEntry->write_proc = EplLinProcWrite;
+ pProcDirEntry->data = NULL; // device number or something else
+
+ } else {
+ return kEplNoResource;
+ }
#ifdef _DBG_TRACE_POINTS_
- // initialize spinlock and circular buffer position
- spin_lock_init(&spinlockDbgTraceValue_l);
- uiDbgTraceValuePos_l = 0;
- dwDbgTraceValueOld_l = 0;
+ // initialize spinlock and circular buffer position
+ spin_lock_init(&spinlockDbgTraceValue_l);
+ uiDbgTraceValuePos_l = 0;
+ dwDbgTraceValueOld_l = 0;
#endif
- return kEplSuccessful;
+ return kEplSuccessful;
}
tEplKernel EplLinProcFree(void)
{
- remove_proc_entry (EPL_PROC_DEV_NAME, NULL);
+ remove_proc_entry(EPL_PROC_DEV_NAME, NULL);
- return kEplSuccessful;
+ return kEplSuccessful;
}
//---------------------------------------------------------------------------
@@ -196,225 +191,219 @@ tEplKernel EplLinProcFree(void)
//---------------------------------------------------------------------------
#ifdef _DBG_TRACE_POINTS_
-void PUBLIC TgtDbgSignalTracePoint (
- BYTE bTracePointNumber_p)
+void PUBLIC TgtDbgSignalTracePoint(BYTE bTracePointNumber_p)
{
- if (bTracePointNumber_p >= (sizeof(aatmDbgTracePoint_l) / sizeof(aatmDbgTracePoint_l[0])))
- {
- goto Exit;
- }
+ if (bTracePointNumber_p >=
+ (sizeof(aatmDbgTracePoint_l) / sizeof(aatmDbgTracePoint_l[0]))) {
+ goto Exit;
+ }
+ atomic_inc(&aatmDbgTracePoint_l[bTracePointNumber_p]);
- atomic_inc (&aatmDbgTracePoint_l[bTracePointNumber_p]);
+ Exit:
-Exit:
-
- return;
+ return;
}
-void PUBLIC TgtDbgPostTraceValue (DWORD dwTraceValue_p)
+void PUBLIC TgtDbgPostTraceValue(DWORD dwTraceValue_p)
{
- spin_lock_irqsave(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
- if (dwDbgTraceValueOld_l != dwTraceValue_p)
- {
- adwDbgTraceValue_l[uiDbgTraceValuePos_l] = dwTraceValue_p;
- uiDbgTraceValuePos_l = (uiDbgTraceValuePos_l + 1) % DBG_TRACE_VALUES;
- dwDbgTraceValueOld_l = dwTraceValue_p;
- }
- spin_unlock_irqrestore(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
+ spin_lock_irqsave(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
+ if (dwDbgTraceValueOld_l != dwTraceValue_p) {
+ adwDbgTraceValue_l[uiDbgTraceValuePos_l] = dwTraceValue_p;
+ uiDbgTraceValuePos_l =
+ (uiDbgTraceValuePos_l + 1) % DBG_TRACE_VALUES;
+ dwDbgTraceValueOld_l = dwTraceValue_p;
+ }
+ spin_unlock_irqrestore(&spinlockDbgTraceValue_l, ulDbTraceValueFlags_l);
- return;
+ return;
}
#endif
-
//---------------------------------------------------------------------------
// Read function for PROC-FS read access
//---------------------------------------------------------------------------
-static int EplLinProcRead (
- char* pcBuffer_p,
- char** ppcStart_p,
- off_t Offset_p,
- int nBufferSize_p,
- int* pEof_p,
- void* pData_p)
+static int EplLinProcRead(char *pcBuffer_p,
+ char **ppcStart_p,
+ off_t Offset_p,
+ int nBufferSize_p, int *pEof_p, void *pData_p)
{
-int nSize;
-int Eof;
-tEplDllkCalStatistics* pDllkCalStats;
+ int nSize;
+ int Eof;
+ tEplDllkCalStatistics *pDllkCalStats;
- nSize = 0;
- Eof = 0;
+ nSize = 0;
+ Eof = 0;
- // count calls of this function
+ // count calls of this function
#ifdef _DBG_TRACE_POINTS_
- TgtDbgSignalTracePoint(0);
+ TgtDbgSignalTracePoint(0);
#endif
- //---------------------------------------------------------------
- // generate static information
- //---------------------------------------------------------------
-
- // ---- Driver information ----
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "%s %s (c) 2006 %s\n",
- EPL_PRODUCT_NAME, EPL_PRODUCT_VERSION, EPL_PRODUCT_MANUFACTURER);
+ //---------------------------------------------------------------
+ // generate static information
+ //---------------------------------------------------------------
+ // ---- Driver information ----
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "%s %s (c) 2006 %s\n",
+ EPL_PRODUCT_NAME, EPL_PRODUCT_VERSION,
+ EPL_PRODUCT_MANUFACTURER);
- //---------------------------------------------------------------
- // generate process information
- //---------------------------------------------------------------
+ //---------------------------------------------------------------
+ // generate process information
+ //---------------------------------------------------------------
- // ---- EPL state ----
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "NMT state: 0x%04X\n",
- (WORD) EplNmtkGetNmtState());
+ // ---- EPL state ----
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "NMT state: 0x%04X\n",
+ (WORD) EplNmtkGetNmtState());
- EplDllkCalGetStatistics(&pDllkCalStats);
+ EplDllkCalGetStatistics(&pDllkCalStats);
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "CurAsyncTxGen=%lu CurAsyncTxNmt=%lu CurAsyncRx=%lu\nMaxAsyncTxGen=%lu MaxAsyncTxNmt=%lu MaxAsyncRx=%lu\n", pDllkCalStats->m_ulCurTxFrameCountGen, pDllkCalStats->m_ulCurTxFrameCountNmt, pDllkCalStats->m_ulCurRxFrameCount, pDllkCalStats->m_ulMaxTxFrameCountGen, pDllkCalStats->m_ulMaxTxFrameCountNmt, pDllkCalStats->m_ulMaxRxFrameCount);
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "CurAsyncTxGen=%lu CurAsyncTxNmt=%lu CurAsyncRx=%lu\nMaxAsyncTxGen=%lu MaxAsyncTxNmt=%lu MaxAsyncRx=%lu\n",
+ pDllkCalStats->m_ulCurTxFrameCountGen,
+ pDllkCalStats->m_ulCurTxFrameCountNmt,
+ pDllkCalStats->m_ulCurRxFrameCount,
+ pDllkCalStats->m_ulMaxTxFrameCountGen,
+ pDllkCalStats->m_ulMaxTxFrameCountNmt,
+ pDllkCalStats->m_ulMaxRxFrameCount);
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
- // fetch running IdentRequests
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "running IdentRequests: 0x%08lX\n",
- EplIdentuGetRunningRequests());
+ // fetch running IdentRequests
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "running IdentRequests: 0x%08lX\n",
+ EplIdentuGetRunningRequests());
+
+ // fetch state of NmtMnu module
+ {
+ unsigned int uiMandatorySlaveCount;
+ unsigned int uiSignalSlaveCount;
+ WORD wFlags;
+
+ EplNmtMnuGetDiagnosticInfo(&uiMandatorySlaveCount,
+ &uiSignalSlaveCount, &wFlags);
+
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "MN MandSlaveCount: %u SigSlaveCount: %u Flags: 0x%X\n",
+ uiMandatorySlaveCount, uiSignalSlaveCount,
+ wFlags);
+
+ }
+#endif
- // fetch state of NmtMnu module
- {
- unsigned int uiMandatorySlaveCount;
- unsigned int uiSignalSlaveCount;
- WORD wFlags;
+ // ---- FEC state ----
+#ifdef CONFIG_COLDFIRE
+ {
+ // Receive the base address
+ unsigned long base_addr;
+#if (EDRV_USED_ETH_CTRL == 0)
+ // Set the base address of FEC0
+ base_addr = FEC_BASE_ADDR_FEC0;
+#else
+ // Set the base address of FEC1
+ base_addr = FEC_BASE_ADDR_FEC1;
+#endif
- EplNmtMnuGetDiagnosticInfo(&uiMandatorySlaveCount,
- &uiSignalSlaveCount,
- &wFlags);
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "FEC_ECR = 0x%08X FEC_EIR = 0x%08X FEC_EIMR = 0x%08X\nFEC_TCR = 0x%08X FECTFSR = 0x%08X FECRFSR = 0x%08X\n",
+ FEC_ECR(base_addr), FEC_EIR(base_addr),
+ FEC_EIMR(base_addr), FEC_TCR(base_addr),
+ FEC_FECTFSR(base_addr),
+ FEC_FECRFSR(base_addr));
+ }
+#endif
+ // ---- DBG: TracePoints ----
+#ifdef _DBG_TRACE_POINTS_
+ {
+ int nNum;
+
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "DbgTracePoints:\n");
+ for (nNum = 0;
+ nNum < (sizeof(aatmDbgTracePoint_l) / sizeof(atomic_t));
+ nNum++) {
+ nSize +=
+ snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ " TracePoint[%2d]: %d\n", (int)nNum,
+ atomic_read(&aatmDbgTracePoint_l[nNum]));
+ }
+
+ nSize += snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "DbgTraceValues:\n");
+ for (nNum = 0; nNum < DBG_TRACE_VALUES; nNum++) {
+ if (nNum == uiDbgTraceValuePos_l) { // next value will be stored at that position
+ nSize +=
+ snprintf(pcBuffer_p + nSize,
+ nBufferSize_p - nSize, "*%08lX",
+ adwDbgTraceValue_l[nNum]);
+ } else {
+ nSize +=
+ snprintf(pcBuffer_p + nSize,
+ nBufferSize_p - nSize, " %08lX",
+ adwDbgTraceValue_l[nNum]);
+ }
+ if ((nNum & 0x00000007) == 0x00000007) { // 8 values printed -> end of line reached
+ nSize +=
+ snprintf(pcBuffer_p + nSize,
+ nBufferSize_p - nSize, "\n");
+ }
+ }
+ if ((nNum & 0x00000007) != 0x00000007) { // number of values printed is not a multiple of 8 -> print new line
+ nSize +=
+ snprintf(pcBuffer_p + nSize, nBufferSize_p - nSize,
+ "\n");
+ }
+ }
+#endif
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "MN MandSlaveCount: %u SigSlaveCount: %u Flags: 0x%X\n",
- uiMandatorySlaveCount, uiSignalSlaveCount, wFlags);
+ Eof = 1;
+ goto Exit;
- }
-#endif
+ Exit:
- // ---- FEC state ----
- #ifdef CONFIG_COLDFIRE
- {
- // Receive the base address
- unsigned long base_addr;
- #if (EDRV_USED_ETH_CTRL == 0)
- // Set the base address of FEC0
- base_addr = FEC_BASE_ADDR_FEC0;
- #else
- // Set the base address of FEC1
- base_addr = FEC_BASE_ADDR_FEC1;
- #endif
-
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "FEC_ECR = 0x%08X FEC_EIR = 0x%08X FEC_EIMR = 0x%08X\nFEC_TCR = 0x%08X FECTFSR = 0x%08X FECRFSR = 0x%08X\n",
- FEC_ECR(base_addr), FEC_EIR(base_addr), FEC_EIMR(base_addr), FEC_TCR(base_addr), FEC_FECTFSR(base_addr), FEC_FECRFSR(base_addr));
- }
- #endif
-
-
- // ---- DBG: TracePoints ----
- #ifdef _DBG_TRACE_POINTS_
- {
- int nNum;
-
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "DbgTracePoints:\n");
- for (nNum=0; nNum<(sizeof(aatmDbgTracePoint_l)/sizeof(atomic_t)); nNum++)
- {
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- " TracePoint[%2d]: %d\n", (int)nNum,
- atomic_read(&aatmDbgTracePoint_l[nNum]));
- }
-
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "DbgTraceValues:\n");
- for (nNum=0; nNum<DBG_TRACE_VALUES; nNum++)
- {
- if (nNum == uiDbgTraceValuePos_l)
- { // next value will be stored at that position
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "*%08lX", adwDbgTraceValue_l[nNum]);
- }
- else
- {
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- " %08lX", adwDbgTraceValue_l[nNum]);
- }
- if ((nNum & 0x00000007) == 0x00000007)
- { // 8 values printed -> end of line reached
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "\n");
- }
- }
- if ((nNum & 0x00000007) != 0x00000007)
- { // number of values printed is not a multiple of 8 -> print new line
- nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
- "\n");
- }
- }
- #endif
-
-
- Eof = 1;
- goto Exit;
-
-
-Exit:
-
- *pEof_p = Eof;
-
- return (nSize);
+ *pEof_p = Eof;
-}
+ return (nSize);
+}
//---------------------------------------------------------------------------
// Write function for PROC-FS write access
//---------------------------------------------------------------------------
-static int EplLinProcWrite(struct file *file, const char __user *buffer, unsigned long count, void *data)
+static int EplLinProcWrite(struct file *file, const char __user * buffer,
+ unsigned long count, void *data)
{
-char abBuffer[count + 1];
-int iErr;
-int iVal = 0;
-tEplNmtEvent NmtEvent;
-
- if (count > 0)
- {
- iErr = copy_from_user(abBuffer, buffer, count);
- if (iErr != 0)
- {
- return count;
- }
- abBuffer[count] = '\0';
-
- iErr = sscanf(abBuffer, "%i", &iVal);
- }
- if ((iVal <= 0) || (iVal > 0x2F))
- {
- NmtEvent = kEplNmtEventSwReset;
- }
- else
- {
- NmtEvent = (tEplNmtEvent) iVal;
- }
- // execute specified NMT command on write access of /proc/epl
- EplNmtuNmtEvent(NmtEvent);
-
- return count;
+ char abBuffer[count + 1];
+ int iErr;
+ int iVal = 0;
+ tEplNmtEvent NmtEvent;
+
+ if (count > 0) {
+ iErr = copy_from_user(abBuffer, buffer, count);
+ if (iErr != 0) {
+ return count;
+ }
+ abBuffer[count] = '\0';
+
+ iErr = sscanf(abBuffer, "%i", &iVal);
+ }
+ if ((iVal <= 0) || (iVal > 0x2F)) {
+ NmtEvent = kEplNmtEventSwReset;
+ } else {
+ NmtEvent = (tEplNmtEvent) iVal;
+ }
+ // execute specified NMT command on write access of /proc/epl
+ EplNmtuNmtEvent(NmtEvent);
+
+ return count;
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 07:40:06 +0000