1 files changed, 160 insertions, 0 deletions

diff --git a/drivers/gpu/pvr/metrics.c b/drivers/gpu/pvr/metrics.c
new file mode 100644
index 00000000000..ee5cabd4998
--- /dev/null
+++ b/drivers/gpu/pvr/metrics.c
@@ -0,0 +1,160 @@
+/**********************************************************************
+ *
+ * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope it will be useful but, except 
+ * as otherwise stated in writing, without any warranty; without even the 
+ * implied warranty of merchantability or fitness for a particular purpose. 
+ * See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
+ *
+ ******************************************************************************/
+
+#include "services_headers.h"
+#include "metrics.h"
+
+#if defined(SUPPORT_VGX)
+#include "vgxapi_km.h"
+#endif
+
+#if defined(SUPPORT_SGX)
+#include "sgxapi_km.h"
+#endif
+
+#if defined(DEBUG) || defined(TIMING)
+
+static volatile IMG_UINT32 *pui32TimerRegister = 0;
+
+#define PVRSRV_TIMER_TOTAL_IN_TICKS(X)  asTimers[X].ui32Total
+#define PVRSRV_TIMER_TOTAL_IN_MS(X)             ((1000*asTimers[X].ui32Total)/ui32TicksPerMS)
+#define PVRSRV_TIMER_COUNT(X)                   asTimers[X].ui32Count
+
+
+Temporal_Data asTimers[PVRSRV_NUM_TIMERS]; 
+
+
+IMG_UINT32 PVRSRVTimeNow(IMG_VOID)
+{
+        if (!pui32TimerRegister)
+        {
+                static IMG_BOOL bFirstTime = IMG_TRUE;
+
+                if (bFirstTime)
+                {
+                        PVR_DPF((PVR_DBG_ERROR,"PVRSRVTimeNow: No timer register set up"));
+
+                        bFirstTime = IMG_FALSE;
+                }
+
+                return 0;
+        }
+
+#if defined(__sh__)
+
+        return (0xffffffff-*pui32TimerRegister);
+
+#else 
+
+        return 0;
+
+#endif 
+}
+
+
+static IMG_UINT32 PVRSRVGetCPUFreq(IMG_VOID)
+{
+        IMG_UINT32 ui32Time1, ui32Time2;
+
+        ui32Time1 = PVRSRVTimeNow();
+
+        OSWaitus(1000000);
+
+        ui32Time2 = PVRSRVTimeNow();
+
+        PVR_DPF((PVR_DBG_WARNING, "PVRSRVGetCPUFreq: timer frequency = %d Hz", ui32Time2 - ui32Time1));
+
+        return (ui32Time2 - ui32Time1);
+}
+
+
+IMG_VOID PVRSRVSetupMetricTimers(IMG_VOID *pvDevInfo)
+{
+        IMG_UINT32 ui32Loop;
+
+        PVR_UNREFERENCED_PARAMETER(pvDevInfo);
+
+        for(ui32Loop=0; ui32Loop < (PVRSRV_NUM_TIMERS); ui32Loop++)
+        {
+                asTimers[ui32Loop].ui32Total = 0;
+                asTimers[ui32Loop].ui32Count = 0;
+        }
+
+
+        #if defined(__sh__)
+
+                
+                
+                
+                
+                *TCR_2 = TIMER_DIVISOR;
+
+                
+                *TCOR_2 = *TCNT_2 = (IMG_UINT)0xffffffff;
+
+                
+                *TST_REG |= (IMG_UINT8)0x04;
+
+                pui32TimerRegister = (IMG_UINT32 *)TCNT_2;
+
+        #else 
+
+                pui32TimerRegister = 0;
+
+        #endif 
+
+}
+
+
+IMG_VOID PVRSRVOutputMetricTotals(IMG_VOID)
+{
+        IMG_UINT32 ui32TicksPerMS, ui32Loop;
+
+        ui32TicksPerMS = PVRSRVGetCPUFreq();
+
+        if (!ui32TicksPerMS)
+        {
+                PVR_DPF((PVR_DBG_ERROR,"PVRSRVOutputMetricTotals: Failed to get CPU Freq"));
+                return;
+        }
+
+        for(ui32Loop=0; ui32Loop < (PVRSRV_NUM_TIMERS); ui32Loop++)
+        {
+                if (asTimers[ui32Loop].ui32Count & 0x80000000L)
+                {
+                        PVR_DPF((PVR_DBG_WARNING,"PVRSRVOutputMetricTotals: Timer %u is still ON", ui32Loop));
+                }
+        }
+#if 0
+        
+        PVR_DPF((PVR_DBG_ERROR," Timer(%u): Total = %u",PVRSRV_TIMER_EXAMPLE_1, PVRSRV_TIMER_TOTAL_IN_TICKS(PVRSRV_TIMER_EXAMPLE_1)));
+        PVR_DPF((PVR_DBG_ERROR," Timer(%u): Time = %ums",PVRSRV_TIMER_EXAMPLE_1, PVRSRV_TIMER_TOTAL_IN_MS(PVRSRV_TIMER_EXAMPLE_1)));
+        PVR_DPF((PVR_DBG_ERROR," Timer(%u): Count = %u",PVRSRV_TIMER_EXAMPLE_1, PVRSRV_TIMER_COUNT(PVRSRV_TIMER_EXAMPLE_1)));
+#endif
+}
+
+#endif 
+