diff options
Diffstat (limited to 'drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/event.c')
| -rw-r--r-- | drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/event.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/event.c b/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/event.c deleted file mode 100644 index 3b02dc9daf6e..000000000000 --- a/drivers/gpu/drm/emgd/pvr/services4/srvkm/env/linux/event.c +++ /dev/null @@ -1,273 +0,0 @@ -/********************************************************************** - * - * 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 - * - ******************************************************************************/ - -#ifndef AUTOCONF_INCLUDED - #include <linux/config.h> -#endif - -#include <linux/version.h> -#include <asm/io.h> -#include <asm/page.h> -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)) -#include <asm/system.h> -#endif -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/delay.h> -#include <linux/pci.h> - -#include <linux/string.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <asm/hardirq.h> -#include <linux/timer.h> -#include <linux/capability.h> -#include <linux/sched.h> -#include <asm/uaccess.h> - -#include "img_types.h" -#include "services_headers.h" -#include "mm.h" -#include "pvrmmap.h" -#include "mmap.h" -#include "env_data.h" -#include "proc.h" -#include "mutex.h" -#include "lock.h" - -typedef struct PVRSRV_LINUX_EVENT_OBJECT_LIST_TAG -{ - rwlock_t sLock; - struct list_head sList; - -} PVRSRV_LINUX_EVENT_OBJECT_LIST; - - -typedef struct PVRSRV_LINUX_EVENT_OBJECT_TAG -{ - atomic_t sTimeStamp; - IMG_UINT32 ui32TimeStampPrevious; -#if defined(DEBUG) - IMG_UINT ui32Stats; -#endif - wait_queue_head_t sWait; - struct list_head sList; - IMG_HANDLE hResItem; - PVRSRV_LINUX_EVENT_OBJECT_LIST *psLinuxEventObjectList; -} PVRSRV_LINUX_EVENT_OBJECT; - -PVRSRV_ERROR LinuxEventObjectListCreate(IMG_HANDLE *phEventObjectList) -{ - PVRSRV_LINUX_EVENT_OBJECT_LIST *psEvenObjectList; - - if(OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, sizeof(PVRSRV_LINUX_EVENT_OBJECT_LIST), - (IMG_VOID **)&psEvenObjectList, IMG_NULL, - "Linux Event Object List") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "LinuxEventObjectCreate: failed to allocate memory for event list")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - INIT_LIST_HEAD(&psEvenObjectList->sList); - - rwlock_init(&psEvenObjectList->sLock); - - *phEventObjectList = (IMG_HANDLE *) psEvenObjectList; - - return PVRSRV_OK; -} - -PVRSRV_ERROR LinuxEventObjectListDestroy(IMG_HANDLE hEventObjectList) -{ - - PVRSRV_LINUX_EVENT_OBJECT_LIST *psEvenObjectList = (PVRSRV_LINUX_EVENT_OBJECT_LIST *) hEventObjectList ; - - if(psEvenObjectList) - { - if (!list_empty(&psEvenObjectList->sList)) - { - PVR_DPF((PVR_DBG_ERROR, "LinuxEventObjectListDestroy: Event List is not empty")); - return PVRSRV_ERROR_GENERIC; - } - OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, sizeof(PVRSRV_LINUX_EVENT_OBJECT_LIST), psEvenObjectList, IMG_NULL); - - } - return PVRSRV_OK; -} - - -PVRSRV_ERROR LinuxEventObjectDelete(IMG_HANDLE hOSEventObjectList, IMG_HANDLE hOSEventObject) -{ - if(hOSEventObjectList) - { - if(hOSEventObject) - { - PVRSRV_LINUX_EVENT_OBJECT *psLinuxEventObject = (PVRSRV_LINUX_EVENT_OBJECT *)hOSEventObject; -#if defined(DEBUG) - PVR_DPF((PVR_DBG_MESSAGE, "LinuxEventObjectListDelete: Event object waits: %lu", psLinuxEventObject->ui32Stats)); -#endif - if(ResManFreeResByPtr(psLinuxEventObject->hResItem) != PVRSRV_OK) - { - return PVRSRV_ERROR_GENERIC; - } - - return PVRSRV_OK; - } - } - return PVRSRV_ERROR_GENERIC; - -} - -static PVRSRV_ERROR LinuxEventObjectDeleteCallback(IMG_PVOID pvParam, IMG_UINT32 ui32Param) -{ - PVRSRV_LINUX_EVENT_OBJECT *psLinuxEventObject = pvParam; - PVRSRV_LINUX_EVENT_OBJECT_LIST *psLinuxEventObjectList = psLinuxEventObject->psLinuxEventObjectList; - - PVR_UNREFERENCED_PARAMETER(ui32Param); - - write_lock_bh(&psLinuxEventObjectList->sLock); - list_del(&psLinuxEventObject->sList); - write_unlock_bh(&psLinuxEventObjectList->sLock); - -#if defined(DEBUG) - PVR_DPF((PVR_DBG_MESSAGE, "LinuxEventObjectDeleteCallback: Event object waits: %lu", psLinuxEventObject->ui32Stats)); -#endif - - OSFreeMem(PVRSRV_OS_NON_PAGEABLE_HEAP, sizeof(PVRSRV_LINUX_EVENT_OBJECT), psLinuxEventObject, IMG_NULL); - - - return PVRSRV_OK; -} -PVRSRV_ERROR LinuxEventObjectAdd(IMG_HANDLE hOSEventObjectList, IMG_HANDLE *phOSEventObject) - { - PVRSRV_LINUX_EVENT_OBJECT *psLinuxEventObject; - PVRSRV_LINUX_EVENT_OBJECT_LIST *psLinuxEventObjectList = (PVRSRV_LINUX_EVENT_OBJECT_LIST*)hOSEventObjectList; - IMG_UINT32 ui32PID = OSGetCurrentProcessIDKM(); - PVRSRV_PER_PROCESS_DATA *psPerProc; - - psPerProc = PVRSRVPerProcessData(ui32PID); - if (psPerProc == IMG_NULL) - { - PVR_DPF((PVR_DBG_ERROR, "LinuxEventObjectAdd: Couldn't find per-process data")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - - if(OSAllocMem(PVRSRV_OS_NON_PAGEABLE_HEAP, sizeof(PVRSRV_LINUX_EVENT_OBJECT), - (IMG_VOID **)&psLinuxEventObject, IMG_NULL, - "Linux Event Object") != PVRSRV_OK) - { - PVR_DPF((PVR_DBG_ERROR, "LinuxEventObjectAdd: failed to allocate memory ")); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - INIT_LIST_HEAD(&psLinuxEventObject->sList); - - atomic_set(&psLinuxEventObject->sTimeStamp, 0); - psLinuxEventObject->ui32TimeStampPrevious = 0; - -#if defined(DEBUG) - psLinuxEventObject->ui32Stats = 0; -#endif - init_waitqueue_head(&psLinuxEventObject->sWait); - - psLinuxEventObject->psLinuxEventObjectList = psLinuxEventObjectList; - - psLinuxEventObject->hResItem = ResManRegisterRes(psPerProc->hResManContext, - RESMAN_TYPE_EVENT_OBJECT, - psLinuxEventObject, - 0, - &LinuxEventObjectDeleteCallback); - - write_lock_bh(&psLinuxEventObjectList->sLock); - list_add(&psLinuxEventObject->sList, &psLinuxEventObjectList->sList); - write_unlock_bh(&psLinuxEventObjectList->sLock); - - *phOSEventObject = psLinuxEventObject; - - return PVRSRV_OK; -} - -PVRSRV_ERROR LinuxEventObjectSignal(IMG_HANDLE hOSEventObjectList) -{ - PVRSRV_LINUX_EVENT_OBJECT *psLinuxEventObject; - PVRSRV_LINUX_EVENT_OBJECT_LIST *psLinuxEventObjectList = (PVRSRV_LINUX_EVENT_OBJECT_LIST*)hOSEventObjectList; - struct list_head *psListEntry, *psListEntryTemp, *psList; - psList = &psLinuxEventObjectList->sList; - - list_for_each_safe(psListEntry, psListEntryTemp, psList) - { - - psLinuxEventObject = (PVRSRV_LINUX_EVENT_OBJECT *)list_entry(psListEntry, PVRSRV_LINUX_EVENT_OBJECT, sList); - - atomic_inc(&psLinuxEventObject->sTimeStamp); - wake_up_interruptible(&psLinuxEventObject->sWait); - } - - return PVRSRV_OK; - -} - -PVRSRV_ERROR LinuxEventObjectWait(IMG_HANDLE hOSEventObject, IMG_UINT32 ui32MSTimeout) -{ - IMG_UINT32 ui32TimeStamp; - DEFINE_WAIT(sWait); - - PVRSRV_LINUX_EVENT_OBJECT *psLinuxEventObject = (PVRSRV_LINUX_EVENT_OBJECT *) hOSEventObject; - - IMG_UINT32 ui32TimeOutJiffies = msecs_to_jiffies(ui32MSTimeout); - - do - { - prepare_to_wait(&psLinuxEventObject->sWait, &sWait, TASK_INTERRUPTIBLE); - ui32TimeStamp = atomic_read(&psLinuxEventObject->sTimeStamp); - - if(psLinuxEventObject->ui32TimeStampPrevious != ui32TimeStamp) - { - break; - } - - LinuxUnLockMutex(&gPVRSRVLock); - - ui32TimeOutJiffies = (IMG_UINT32)schedule_timeout((IMG_INT32)ui32TimeOutJiffies); - - LinuxLockMutex(&gPVRSRVLock); -#if defined(DEBUG) - psLinuxEventObject->ui32Stats++; -#endif - - - } while (ui32TimeOutJiffies); - - finish_wait(&psLinuxEventObject->sWait, &sWait); - - psLinuxEventObject->ui32TimeStampPrevious = ui32TimeStamp; - - return ui32TimeOutJiffies ? PVRSRV_OK : PVRSRV_ERROR_TIMEOUT; - -} - |