pvr/pvr_bridge_km.h

   1 /**********************************************************************
   2  *
   3  * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful but, except
  10  * as otherwise stated in writing, without any warranty; without even the
  11  * implied warranty of merchantability or fitness for a particular purpose.
  12  * See the GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * Imagination Technologies Ltd. <gpl-support@imgtec.com>
  23  * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
  24  *
  25  ******************************************************************************/
  26
  27 #ifndef __PVR_BRIDGE_KM_H_
  28 #define __PVR_BRIDGE_KM_H_
  29
  30 #include <linux/fs.h>                   /* for struct file */
  31 #include <linux/wait.h>
  32 #include <linux/sched.h>
  33
  34 #include "pvr_bridge.h"
  35 #include "perproc.h"
  36
  37 extern int pvr_dvfs_active;
  38 extern struct mutex gPVRSRVLock;
  39 extern wait_queue_head_t pvr_dvfs_wq;
  40
  41 void pvr_dvfs_wait_active(void);
  42
  43 static inline void pvr_dvfs_lock(void)
  44 {
  45         mutex_lock(&gPVRSRVLock);
  46         pvr_dvfs_active = 1;
  47         mutex_unlock(&gPVRSRVLock);
  48 }
  49
  50 static inline void pvr_dvfs_unlock(void)
  51 {
  52         mutex_lock(&gPVRSRVLock);
  53         pvr_dvfs_active = 0;
  54         wake_up(&pvr_dvfs_wq);
  55         mutex_unlock(&gPVRSRVLock);
  56 }
  57
  58 static inline void pvr_lock(void)
  59 {
  60         mutex_lock(&gPVRSRVLock);
  61         if (pvr_dvfs_active)
  62                 pvr_dvfs_wait_active();
  63 }
  64
  65 static inline void pvr_unlock(void)
  66 {
  67         mutex_unlock(&gPVRSRVLock);
  68 }
  69
  70 static inline int pvr_is_locked(void)
  71 {
  72         return mutex_is_locked(&gPVRSRVLock);
  73 }
  74
  75 enum PVRSRV_ERROR LinuxBridgeInit(void);
  76 void LinuxBridgeDeInit(void);
  77
  78 enum PVRSRV_ERROR PVRSRVEnumerateDevicesKM(u32 *pui32NumDevices,
  79                 struct PVRSRV_DEVICE_IDENTIFIER *psDevIdList);
  80
  81 enum PVRSRV_ERROR PVRSRVAcquireDeviceDataKM(u32 uiDevIndex,
  82                 enum PVRSRV_DEVICE_TYPE eDeviceType,
  83                 void **phDevCookie);
  84
  85 enum PVRSRV_ERROR PVRSRVCreateCommandQueueKM(u32 ui32QueueSize,
  86                 struct PVRSRV_QUEUE_INFO **ppsQueueInfo);
  87
  88 enum PVRSRV_ERROR PVRSRVDestroyCommandQueueKM(
  89                                         struct PVRSRV_QUEUE_INFO *psQueueInfo);
  90
  91 enum PVRSRV_ERROR PVRSRVGetDeviceMemHeapsKM(void *hDevCookie,
  92                 struct PVRSRV_HEAP_INFO *psHeapInfo);
  93
  94 enum PVRSRV_ERROR PVRSRVCreateDeviceMemContextKM(void *hDevCookie,
  95                 struct PVRSRV_PER_PROCESS_DATA *psPerProc,
  96                 void **phDevMemContext, u32 *pui32ClientHeapCount,
  97                 struct PVRSRV_HEAP_INFO *psHeapInfo, IMG_BOOL *pbCreated,
  98                 IMG_BOOL *pbShared);
  99
 100 enum PVRSRV_ERROR PVRSRVDestroyDeviceMemContextKM(void *hDevCookie,
 101                 void *hDevMemContext, IMG_BOOL *pbCreated);
 102
 103 enum PVRSRV_ERROR PVRSRVGetDeviceMemHeapInfoKM(void *hDevCookie,
 104                 void *hDevMemContext, u32 *pui32ClientHeapCount,
 105                 struct PVRSRV_HEAP_INFO *psHeapInfo, IMG_BOOL *pbShared);
 106
 107 enum PVRSRV_ERROR PVRSRVAllocDeviceMemKM(void *hDevCookie,
 108                 struct PVRSRV_PER_PROCESS_DATA *psPerProc, void *hDevMemHeap,
 109                 u32 ui32Flags, u32 ui32Size, u32 ui32Alignment,
 110                 struct PVRSRV_KERNEL_MEM_INFO **ppsMemInfo);
 111
 112 enum PVRSRV_ERROR PVRSRVFreeDeviceMemKM(void *hDevCookie,
 113                 struct PVRSRV_KERNEL_MEM_INFO *psMemInfo);
 114
 115 enum PVRSRV_ERROR PVRSRVDissociateDeviceMemKM(void *hDevCookie,
 116                 struct PVRSRV_KERNEL_MEM_INFO *psMemInfo);
 117
 118 enum PVRSRV_ERROR PVRSRVReserveDeviceVirtualMemKM(void *hDevMemHeap,
 119                 struct IMG_DEV_VIRTADDR *psDevVAddr, u32 ui32Size,
 120                 u32 ui32Alignment, struct PVRSRV_KERNEL_MEM_INFO **ppsMemInfo);
 121
 122 enum PVRSRV_ERROR PVRSRVFreeDeviceVirtualMemKM(
 123                 struct PVRSRV_KERNEL_MEM_INFO *psMemInfo);
 124
 125 enum PVRSRV_ERROR PVRSRVMapDeviceMemoryKM(
 126                 struct PVRSRV_PER_PROCESS_DATA *psPerProc,
 127                 struct PVRSRV_KERNEL_MEM_INFO *psSrcMemInfo,
 128                 void *hDstDevMemHeap,
 129                 struct PVRSRV_KERNEL_MEM_INFO **ppsDstMemInfo);
 130
 131 enum PVRSRV_ERROR PVRSRVUnmapDeviceMemoryKM(
 132                 struct PVRSRV_KERNEL_MEM_INFO *psMemInfo);
 133
 134 enum PVRSRV_ERROR PVRSRVWrapExtMemoryKM(void *hDevCookie,
 135                 struct PVRSRV_PER_PROCESS_DATA *psPerProc, void *hDevMemContext,
 136                 u32 ui32ByteSize, u32 ui32PageOffset, IMG_BOOL bPhysContig,
 137                 struct IMG_SYS_PHYADDR *psSysAddr, void *pvLinAddr,
 138                 struct PVRSRV_KERNEL_MEM_INFO **ppsMemInfo);
 139
 140 enum PVRSRV_ERROR PVRSRVUnwrapExtMemoryKM(struct PVRSRV_KERNEL_MEM_INFO
 141                                               *psMemInfo);
 142
 143 enum PVRSRV_ERROR PVRSRVEnumerateDCKM(enum PVRSRV_DEVICE_CLASS DeviceClass,
 144                 u32 *pui32DevCount, u32 *pui32DevID);
 145
 146 enum PVRSRV_ERROR PVRSRVOpenDCDeviceKM(
 147                 struct PVRSRV_PER_PROCESS_DATA *psPerProc,
 148                 u32 ui32DeviceID, void *hDevCookie, void **phDeviceKM);
 149
 150 enum PVRSRV_ERROR PVRSRVCloseDCDeviceKM(void *hDeviceKM,
 151                 IMG_BOOL bResManCallback);
 152
 153 enum PVRSRV_ERROR PVRSRVEnumDCFormatsKM(void *hDeviceKM, u32 *pui32Count,
 154                 struct DISPLAY_FORMAT *psFormat);
 155
 156 enum PVRSRV_ERROR PVRSRVEnumDCDimsKM(void *hDeviceKM,
 157                 struct DISPLAY_FORMAT *psFormat, u32 *pui32Count,
 158                 struct DISPLAY_DIMS *psDim);
 159
 160 enum PVRSRV_ERROR PVRSRVGetDCSystemBufferKM(void *hDeviceKM, void **phBuffer);
 161
 162 enum PVRSRV_ERROR PVRSRVGetDCInfoKM(void *hDeviceKM,
 163                 struct DISPLAY_INFO *psDisplayInfo);
 164
 165 enum PVRSRV_ERROR PVRSRVCreateDCSwapChainKM(
 166                 struct PVRSRV_PER_PROCESS_DATA *psPerProc, void *hDeviceKM,
 167                 u32 ui32Flags, struct DISPLAY_SURF_ATTRIBUTES *psDstSurfAttrib,
 168                 struct DISPLAY_SURF_ATTRIBUTES *psSrcSurfAttrib,
 169                 u32 ui32BufferCount, u32 ui32OEMFlags, void **phSwapChain,
 170                 u32 *pui32SwapChainID);
 171
 172 enum PVRSRV_ERROR PVRSRVDestroyDCSwapChainKM(void *hSwapChain);
 173 enum PVRSRV_ERROR PVRSRVSetDCDstRectKM(void *hDeviceKM, void *hSwapChain,
 174                 struct IMG_RECT *psRect);
 175 enum PVRSRV_ERROR PVRSRVSetDCSrcRectKM(void *hDeviceKM, void *hSwapChain,
 176                 struct IMG_RECT *psRect);
 177 enum PVRSRV_ERROR PVRSRVSetDCDstColourKeyKM(void *hDeviceKM, void *hSwapChain,
 178                 u32 ui32CKColour);
 179 enum PVRSRV_ERROR PVRSRVSetDCSrcColourKeyKM(void *hDeviceKM, void *hSwapChain,
 180                 u32 ui32CKColour);
 181 enum PVRSRV_ERROR PVRSRVGetDCBuffersKM(void *hDeviceKM, void *hSwapChain,
 182                 u32 *pui32BufferCount, void **phBuffer);
 183 enum PVRSRV_ERROR PVRSRVSwapToDCBufferKM(void *hDeviceKM, void *hBuffer,
 184                 u32 ui32SwapInterval, void *hPrivateTag,
 185                 u32 ui32ClipRectCount, struct IMG_RECT *psClipRect);
 186 enum PVRSRV_ERROR PVRSRVSwapToDCSystemKM(void *hDeviceKM, void *hSwapChain);
 187
 188 enum PVRSRV_ERROR PVRSRVOpenBCDeviceKM(
 189                 struct PVRSRV_PER_PROCESS_DATA *psPerProc,
 190                 u32 ui32DeviceID, void *hDevCookie, void **phDeviceKM);
 191 enum PVRSRV_ERROR PVRSRVCloseBCDeviceKM(void *hDeviceKM,
 192                 IMG_BOOL bResManCallback);
 193
 194 enum PVRSRV_ERROR PVRSRVGetBCInfoKM(void *hDeviceKM,
 195                 struct BUFFER_INFO *psBufferInfo);
 196 enum PVRSRV_ERROR PVRSRVGetBCBufferKM(void *hDeviceKM,
 197                 u32 ui32BufferIndex, void **phBuffer);
 198
 199 enum PVRSRV_ERROR PVRSRVMapDeviceClassMemoryKM(
 200                 struct PVRSRV_PER_PROCESS_DATA *psPerProc, void *hDevMemContext,
 201                 void *hDeviceClassBuffer,
 202                 struct PVRSRV_KERNEL_MEM_INFO **ppsMemInfo, void **phOSMapInfo);
 203
 204 enum PVRSRV_ERROR PVRSRVUnmapDeviceClassMemoryKM(
 205                 struct PVRSRV_KERNEL_MEM_INFO *psMemInfo);
 206
 207 enum PVRSRV_ERROR PVRSRVGetFreeDeviceMemKM(u32 ui32Flags, u32 *pui32Total,
 208                 u32 *pui32Free, u32 *pui32LargestBlock);
 209 enum PVRSRV_ERROR PVRSRVAllocSyncInfoKM(void *hDevCookie, void *hDevMemContext,
 210                 struct PVRSRV_KERNEL_SYNC_INFO **ppsKernelSyncInfo);
 211 enum PVRSRV_ERROR PVRSRVFreeSyncInfoKM(
 212                 struct PVRSRV_KERNEL_SYNC_INFO *psKernelSyncInfo);
 213
 214 enum PVRSRV_ERROR PVRSRVGetMiscInfoKM(struct PVRSRV_MISC_INFO *psMiscInfo);
 215
 216 enum PVRSRV_ERROR PVRSRVGetFBStatsKM(u32 *pui32Total, u32 *pui32Available);
 217
 218 enum PVRSRV_ERROR PVRSRVAllocSharedSysMemoryKM(
 219                 struct PVRSRV_PER_PROCESS_DATA *psPerProc, u32 ui32Flags,
 220                 u32 ui32Size, struct PVRSRV_KERNEL_MEM_INFO **ppsKernelMemInfo);
 221
 222 enum PVRSRV_ERROR PVRSRVFreeSharedSysMemoryKM(
 223                 struct PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo);
 224
 225 enum PVRSRV_ERROR PVRSRVDissociateMemFromResmanKM(
 226                 struct PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo);
 227
 228 long PVRSRV_BridgeDispatchKM(struct file *, unsigned, unsigned long);
 229
 230 #endif