gpu: pvr: move debugfs infrastructure to its own files
[sgx.git] / pvr / bufferclass_example_private.c
index fb3f1d0..360524e 100644 (file)
 /**********************************************************************
  *
  * 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. 
+ *
+ * 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 
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
  *
  ******************************************************************************/
 
 #include "bufferclass_example.h"
+#include "bufferclass_example_private.h"
 
-#define MIN(a,b) ((a)<(b)?(a):(b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
 
-void FillYUV420Image(void *pvDest, int width, int height, int bytestride)
+static void FillYUV420Image(void __iomem *pvDest, int width, int height,
+                           int bytestride)
 {
-       static int iPhase = 0;
+       static int iPhase;
        int i, j;
        unsigned char u, v, y;
-       unsigned char *pui8y = (unsigned char *)pvDest;
+       unsigned char *pui8y = (unsigned char __force *)pvDest;
        unsigned short *pui16uv;
        unsigned int count = 0;
 
-       for (j = 0; j < height; j++) {
+       for (j = 0; j < height; j++)
                for (i = 0; i < width; i++) {
                        y = (((i + iPhase) >> 6) % (2) == 0) ? 0x7f : 0x00;
 
                        pui8y[count++] = y;
                }
-       }
 
-       pui16uv =
-           (unsigned short *)((unsigned char *)pvDest + (width * height));
+       pui16uv = (unsigned short *)
+           ((unsigned char __force *)pvDest + (width * height));
        count = 0;
 
-       for (j = 0; j < height; j += 2) {
+       for (j = 0; j < height; j += 2)
                for (i = 0; i < width; i += 2) {
-                       u = (j <
-                            (height / 2)) ? ((i <
-                                              (width /
-                                               2)) ? 0xFF : 0x33) : ((i <
-                                                                      (width /
-                                                                       2)) ?
-                                                                     0x33 :
-                                                                     0xAA);
-                       v = (j <
-                            (height / 2)) ? ((i <
-                                              (width /
-                                               2)) ? 0xAC : 0x0) : ((i <
-                                                                     (width /
-                                                                      2)) ?
-                                                                    0x03 :
-                                                                    0xEE);
+                       u = (j < (height / 2)) ?
+                               ((i < (width / 2)) ? 0xFF : 0x33) :
+                               ((i < (width / 2)) ?  0x33 : 0xAA);
+                       v = (j < (height / 2)) ?
+                               ((i < (width / 2)) ?  0xAC : 0x0) :
+                               ((i < (width / 2)) ?  0x03 : 0xEE);
 
                        pui16uv[count++] = (v << 8) | u;
 
                }
-       }
 
        iPhase++;
 }
 
-void FillYUV422Image(void *pvDest, int width, int height, int bytestride)
+static void FillYUV422Image(void __iomem *pvDest, int width, int height,
+                           int bytestride)
 {
-       static int iPhase = 0;
+       static int iPhase;
        int x, y;
        unsigned char u, v, y0, y1;
-       unsigned int *pui32yuv = (unsigned int *)pvDest;
+       unsigned int *pui32yuv = (unsigned int __force *)pvDest;
        unsigned int count = 0;
 
-       for (y = 0; y < height; y++) {
+       for (y = 0; y < height; y++)
                for (x = 0; x < width; x += 2) {
-                       u = (y <
-                            (height / 2)) ? ((x <
-                                              (width /
-                                               2)) ? 0xFF : 0x33) : ((x <
-                                                                      (width /
-                                                                       2)) ?
-                                                                     0x33 :
-                                                                     0xAA);
-                       v = (y <
-                            (height / 2)) ? ((x <
-                                              (width /
-                                               2)) ? 0xAA : 0x0) : ((x <
-                                                                     (width /
-                                                                      2)) ?
-                                                                    0x03 :
-                                                                    0xEE);
+                       u = (y < (height / 2)) ?
+                             ((x < (width / 2)) ? 0xFF : 0x33) :
+                             ((x < (width / 2)) ? 0x33 : 0xAA);
+                       v = (y < (height / 2)) ?
+                             ((x < (width / 2)) ? 0xAA : 0x0) :
+                             ((x < (width / 2)) ? 0x03 : 0xEE);
 
                        y0 = y1 =
                            (((x + iPhase) >> 6) % (2) == 0) ? 0x7f : 0x00;
@@ -110,33 +91,33 @@ void FillYUV422Image(void *pvDest, int width, int height, int bytestride)
                            (y1 << 24) | (v << 16) | (y0 << 8) | u;
 
                }
-       }
 
        iPhase++;
 }
 
-void FillRGB565Image(void *pvDest, int width, int height, int bytestride)
+static void FillRGB565Image(void __iomem *pvDest, int width, int height,
+                           int bytestride)
 {
        int i, Count;
-       unsigned long *pui32Addr = (unsigned long *)pvDest;
-       unsigned short *pui16Addr = (unsigned short *)pvDest;
+       unsigned long *pui32Addr = (unsigned long __force *)pvDest;
+       unsigned short *pui16Addr = (unsigned short __force *)pvDest;
        unsigned long Colour32;
        unsigned short Colour16;
-       static unsigned char Colour8 = 0;
+       static unsigned char Colour8;
 
-       Colour16 =
-           (Colour8 >> 3) | ((Colour8 >> 2) << 5) | ((Colour8 >> 3) << 11);
+       Colour16 = (Colour8 >> 3) | ((Colour8 >> 2) << 5) |
+                  ((Colour8 >> 3) << 11);
        Colour32 = Colour16 | Colour16 << 16;
 
        Count = (height * bytestride) >> 2;
 
-       for (i = 0; i < Count; i++) {
+       for (i = 0; i < Count; i++)
                pui32Addr[i] = Colour32;
-       }
 
        Count = height;
 
-       pui16Addr = (unsigned short *)((unsigned char *)pvDest + (2 * Colour8));
+       pui16Addr = (unsigned short *)
+                       ((unsigned char __force *)pvDest + (2 * Colour8));
 
        for (i = 0; i < Count; i++) {
                *pui16Addr = 0xF800;
@@ -146,27 +127,24 @@ void FillRGB565Image(void *pvDest, int width, int height, int bytestride)
        }
        Count = bytestride >> 2;
 
-       pui32Addr =
-           (unsigned long *)((unsigned char *)pvDest +
+       pui32Addr = (unsigned long *)((unsigned char __force *)pvDest +
                              (bytestride * (MIN(height - 1, 0xFF) - Colour8)));
 
-       for (i = 0; i < Count; i++) {
+       for (i = 0; i < Count; i++)
                pui32Addr[i] = 0x001F001F;
-       }
 
        Colour8 = (Colour8 + 1) % MIN(height - 1, 0xFF);
 }
 
 int FillBuffer(unsigned int ui32BufferIndex)
 {
-       BC_EXAMPLE_DEVINFO *psDevInfo = GetAnchorPtr();
-       BC_EXAMPLE_BUFFER *psBuffer;
-       BUFFER_INFO *psBufferInfo;
-       PVRSRV_SYNC_DATA *psSyncData;
+       struct BC_EXAMPLE_DEVINFO *psDevInfo = GetAnchorPtr();
+       struct BC_EXAMPLE_BUFFER *psBuffer;
+       struct BUFFER_INFO *psBufferInfo;
+       struct PVRSRV_SYNC_DATA *psSyncData;
 
-       if (psDevInfo == IMG_NULL) {
+       if (psDevInfo == NULL)
                return -1;
-       }
 
        psBuffer = &psDevInfo->psSystemBuffer[ui32BufferIndex];
        psBufferInfo = &psDevInfo->sBufferInfo;
@@ -174,11 +152,9 @@ int FillBuffer(unsigned int ui32BufferIndex)
        psSyncData = psBuffer->psSyncData;
 
        if (psSyncData) {
-
                if (psSyncData->ui32ReadOpsPending !=
-                   psSyncData->ui32ReadOpsComplete) {
+                   psSyncData->ui32ReadOpsComplete)
                        return -1;
-               }
 
                psSyncData->ui32WriteOpsPending++;
        }
@@ -186,39 +162,31 @@ int FillBuffer(unsigned int ui32BufferIndex)
        switch (psBufferInfo->pixelformat) {
        case PVRSRV_PIXEL_FORMAT_RGB565:
        default:
-               {
-                       FillRGB565Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
-                                       BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
-                       break;
-               }
+               FillRGB565Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
+                               BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
+               break;
        case PVRSRV_PIXEL_FORMAT_FOURCC_ORG_UYVY:
-               {
-                       FillYUV422Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
-                                       BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
-                       break;
-               }
+               FillYUV422Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
+                               BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
+               break;
        case PVRSRV_PIXEL_FORMAT_NV12:
-               {
-                       FillYUV420Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
-                                       BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
-                       break;
-               }
+               FillYUV420Image(psBuffer->sCPUVAddr, BC_EXAMPLE_WIDTH,
+                               BC_EXAMPLE_HEIGHT, BC_EXAMPLE_STRIDE);
+               break;
        }
 
-       if (psSyncData) {
+       if (psSyncData)
                psSyncData->ui32WriteOpsComplete++;
-       }
 
        return 0;
 }
 
 int GetBufferCount(unsigned int *pui32BufferCount)
 {
-       BC_EXAMPLE_DEVINFO *psDevInfo = GetAnchorPtr();
+       struct BC_EXAMPLE_DEVINFO *psDevInfo = GetAnchorPtr();
 
-       if (psDevInfo == IMG_NULL) {
+       if (psDevInfo == NULL)
                return -1;
-       }
 
        *pui32BufferCount = psDevInfo->sBufferInfo.ui32BufferCount;