diff options
Diffstat (limited to 'drivers/gpu/pvr/display/omap_sgx_displayclass.c')
| -rw-r--r-- | drivers/gpu/pvr/display/omap_sgx_displayclass.c | 1620 |
1 files changed, 0 insertions, 1620 deletions
diff --git a/drivers/gpu/pvr/display/omap_sgx_displayclass.c b/drivers/gpu/pvr/display/omap_sgx_displayclass.c deleted file mode 100644 index 7ae2420..0000000 --- a/drivers/gpu/pvr/display/omap_sgx_displayclass.c +++ /dev/null @@ -1,1620 +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 - * - *************************************************************************/ - -#include <linux/slab.h> -#include <linux/version.h> -#include <linux/kernel.h> -#include <linux/console.h> - -#include <linux/module.h> -#include <linux/string.h> -#include <linux/notifier.h> - -#if defined(LDM_PLATFORM) -#include <linux/platform_device.h> -#if defined(SGX_EARLYSUSPEND) -#include <linux/earlysuspend.h> -#endif -#endif - -#include "img_defs.h" -#include "servicesext.h" -#include "kerneldisplay.h" -#include "omap_sgx_displayclass.h" -#include "omap_display.h" - -/* XXX: Expect 2 framebuffers for virtual display */ -#if (CONFIG_FB_OMAP2_NUM_FBS < 2) -#error "Virtual display is supported only with 2 or more framebuffers, \ -CONFIG_FB_OMAP2_NUM_FBS must be equal or greater than 2 \ -see CONFIG_FB_OMAP2_NUM_FBS for details in the kernel config" -#endif - -#define OMAP_DC_CMD_COUNT 1 -#define MAX_BUFFERS_FLIPPING 4 - -/* Pointer Display->Services */ -static PFN_DC_GET_PVRJTABLE pfnGetPVRJTable = NULL; - -/* Pointer to the display devices */ -static struct OMAP_DISP_DEVINFO *pDisplayDevices = NULL; -static int display_devices_count = 0; - -static void display_sync_handler(struct work_struct *work); -static enum OMAP_ERROR get_pvr_dc_jtable (char *szFunctionName, - PFN_DC_GET_PVRJTABLE *ppfnFuncTable); - - -/* - * Swap to display buffer. This buffer refers to one inside the - * framebuffer memory. - * in: hDevice, hBuffer, ui32SwapInterval, hPrivateTag, ui32ClipRectCount, - * psClipRect - */ -static PVRSRV_ERROR SwapToDCBuffer(IMG_HANDLE hDevice, - IMG_HANDLE hBuffer, - IMG_UINT32 ui32SwapInterval, - IMG_HANDLE hPrivateTag, - IMG_UINT32 ui32ClipRectCount, - IMG_RECT *psClipRect) -{ - /* Nothing to do */ - return PVRSRV_OK; -} - -/* - * Set display destination rectangle. - * in: hDevice, hSwapChain, psRect - */ -static PVRSRV_ERROR SetDCDstRect(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain, - IMG_RECT *psRect) -{ - /* Nothing to do */ - return PVRSRV_ERROR_NOT_SUPPORTED; -} - -/* - * Set display source rectangle. - * in: hDevice, hSwapChain, psRect - */ -static PVRSRV_ERROR SetDCSrcRect(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain, - IMG_RECT *psRect) -{ - /* Nothing to do */ - return PVRSRV_ERROR_NOT_SUPPORTED; -} - -/* - * Set display destination colour key. - * in: hDevice, hSwapChain, ui32CKColour - */ -static PVRSRV_ERROR SetDCDstColourKey(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain, - IMG_UINT32 ui32CKColour) -{ - /* Nothing to do */ - return PVRSRV_ERROR_NOT_SUPPORTED; -} - -/* - * Set display source colour key. - * in: hDevice, hSwapChain, ui32CKColour - */ -static PVRSRV_ERROR SetDCSrcColourKey(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain, - IMG_UINT32 ui32CKColour) -{ - /* Nothing to do */ - return PVRSRV_ERROR_NOT_SUPPORTED; -} - -/* - * Closes the display. - * in: hDevice - */ -static PVRSRV_ERROR CloseDCDevice(IMG_HANDLE hDevice) -{ - struct OMAP_DISP_DEVINFO *psDevInfo = - (struct OMAP_DISP_DEVINFO*) hDevice; - struct omap_display_device *display = psDevInfo->display; - - if(display->close(display)) - WARNING_PRINTK("Unable to close properly display '%s'", - display->name); - - return PVRSRV_OK; -} - -/* - * Flushes the sync queue present in the specified swap chain. - * in: psSwapChain - */ -static void FlushInternalSyncQueue(struct OMAP_DISP_SWAPCHAIN *psSwapChain) -{ - struct OMAP_DISP_DEVINFO *psDevInfo = - (struct OMAP_DISP_DEVINFO*) psSwapChain->pvDevInfo; - struct OMAP_DISP_FLIP_ITEM *psFlipItem; - struct omap_display_device *display = psDevInfo->display; - unsigned long ulMaxIndex; - unsigned long i; - - psFlipItem = &psSwapChain->psFlipItems[psSwapChain->ulRemoveIndex]; - ulMaxIndex = psSwapChain->ulBufferCount - 1; - - DEBUG_PRINTK("Flushing sync queue on display %lu", - psDevInfo->ulDeviceID); - for(i = 0; i < psSwapChain->ulBufferCount; i++) - { - if (psFlipItem->bValid == OMAP_FALSE) - continue; - - DEBUG_PRINTK("Flushing swap buffer index %lu", - psSwapChain->ulRemoveIndex); - - /* Flip the buffer if it hasn't been flipped */ - if(psFlipItem->bFlipped == OMAP_FALSE) - { - display->present_buffer(psFlipItem->display_buffer); - } - - /* If the command didn't complete, assume it did */ - if(psFlipItem->bCmdCompleted == OMAP_FALSE) - { - DEBUG_PRINTK("Calling command complete for swap " - "buffer index %lu", - psSwapChain->ulRemoveIndex); - psSwapChain->psPVRJTable->pfnPVRSRVCmdComplete( - (IMG_HANDLE)psFlipItem->hCmdComplete, - IMG_TRUE); - } - - psSwapChain->ulRemoveIndex++; - if(psSwapChain->ulRemoveIndex > ulMaxIndex) - psSwapChain->ulRemoveIndex = 0; - - /* Put the state of the buffer to be used again later */ - psFlipItem->bFlipped = OMAP_FALSE; - psFlipItem->bCmdCompleted = OMAP_FALSE; - psFlipItem->bValid = OMAP_FALSE; - psFlipItem = - &psSwapChain->psFlipItems[psSwapChain->ulRemoveIndex]; - } - - psSwapChain->ulInsertIndex = 0; - psSwapChain->ulRemoveIndex = 0; -} - -/* - * Sets the flush state of the specified display device - * at the swap chain level without blocking the call. - * in: psDevInfo, bFlushState - */ -static void SetFlushStateInternalNoLock(struct OMAP_DISP_DEVINFO* psDevInfo, - enum OMAP_BOOL bFlushState) -{ - struct OMAP_DISP_SWAPCHAIN *psSwapChain = psDevInfo->psSwapChain; - - /* Nothing to do if there is no swap chain */ - if (psSwapChain == NULL){ - DEBUG_PRINTK("Swap chain is null, nothing to do for" - " display %lu", psDevInfo->ulDeviceID); - return; - } - - if (bFlushState) - { - DEBUG_PRINTK("Desired flushState is true for display %lu", - psDevInfo->ulDeviceID); - if (psSwapChain->ulSetFlushStateRefCount == 0) - { - psSwapChain->bFlushCommands = OMAP_TRUE; - FlushInternalSyncQueue(psSwapChain); - } - psSwapChain->ulSetFlushStateRefCount++; - } - else - { - DEBUG_PRINTK("Desired flushState is false for display %lu", - psDevInfo->ulDeviceID); - if (psSwapChain->ulSetFlushStateRefCount != 0) - { - psSwapChain->ulSetFlushStateRefCount--; - if (psSwapChain->ulSetFlushStateRefCount == 0) - { - psSwapChain->bFlushCommands = OMAP_FALSE; - } - } - } -} - -/* - * Sets the flush state of the specified display device - * at device level blocking the call if needed. - * in: psDevInfo, bFlushState - */ -static void SetFlushStateExternal(struct OMAP_DISP_DEVINFO* psDevInfo, - enum OMAP_BOOL bFlushState) -{ - DEBUG_PRINTK("Executing for display %lu", - psDevInfo->ulDeviceID); - mutex_lock(&psDevInfo->sSwapChainLockMutex); - if (psDevInfo->bFlushCommands != bFlushState) - { - psDevInfo->bFlushCommands = bFlushState; - SetFlushStateInternalNoLock(psDevInfo, bFlushState); - } - mutex_unlock(&psDevInfo->sSwapChainLockMutex); -} - -/* - * Opens the display. - * in: ui32DeviceID, phDevice - * out: psSystemBufferSyncData - */ -static PVRSRV_ERROR OpenDCDevice(IMG_UINT32 ui32DeviceID, - IMG_HANDLE *phDevice, - PVRSRV_SYNC_DATA* psSystemBufferSyncData) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct omap_display_device *display; - int i; - - psDevInfo = 0; - for(i = 0; i < display_devices_count; i++) - { - if(ui32DeviceID == (&pDisplayDevices[i])->ulDeviceID) - { - psDevInfo = &pDisplayDevices[i]; - break; - } - } - - if(!psDevInfo) - { - WARNING_PRINTK("Unable to identify display device with id %i", - (int)ui32DeviceID); - return OMAP_ERROR_INVALID_DEVICE; - } - - psDevInfo->sSystemBuffer.psSyncData = psSystemBufferSyncData; - display = psDevInfo->display; - - DEBUG_PRINTK("Opening display %lu '%s'",psDevInfo->ulDeviceID, - display->name); - - /* TODO: Explain here why ORIENTATION_VERTICAL is used*/ - if(display->open(display, ORIENTATION_VERTICAL | ORIENTATION_INVERT)) - ERROR_PRINTK("Unable to open properly display '%s'", - psDevInfo->display->name); - - display->present_buffer(display->main_buffer); - - /* TODO: Turn on display here? */ - - *phDevice = (IMG_HANDLE)psDevInfo; - - return PVRSRV_OK; -} - -/* - * Gets the available formats for the display. - * in: hDevice - * out: pui32NumFormats, psFormat - */ -static PVRSRV_ERROR EnumDCFormats(IMG_HANDLE hDevice, - IMG_UINT32 *pui32NumFormats, - DISPLAY_FORMAT *psFormat) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - if(!hDevice || !pui32NumFormats) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - *pui32NumFormats = 1; - - if(psFormat) - psFormat[0] = psDevInfo->sDisplayFormat; - else - WARNING_PRINTK("Display format is null for" - " display %lu", psDevInfo->ulDeviceID); - - return PVRSRV_OK; -} - -/* - * Gets the available dimensions for the display. - * in: hDevice, psFormat - * out: pui32NumDims, psDim - */ -static PVRSRV_ERROR EnumDCDims(IMG_HANDLE hDevice, - DISPLAY_FORMAT *psFormat, - IMG_UINT32 *pui32NumDims, - DISPLAY_DIMS *psDim) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - if(!hDevice || !psFormat || !pui32NumDims) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - *pui32NumDims = 1; - - if(psDim) - psDim[0] = psDevInfo->sDisplayDim; - else - WARNING_PRINTK("Display dimensions are null for" - " display %lu", psDevInfo->ulDeviceID); - - return PVRSRV_OK; -} - -/* - * Gets the display framebuffer physical address. - * in: hDevice - * out: phBuffer - */ -static PVRSRV_ERROR GetDCSystemBuffer(IMG_HANDLE hDevice, IMG_HANDLE *phBuffer) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - - if(!hDevice || !phBuffer) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - *phBuffer = (IMG_HANDLE)&psDevInfo->sSystemBuffer; - - return PVRSRV_OK; -} - -/* - * Gets the display general information. - * in: hDevice - * out: psDCInfo - */ -static PVRSRV_ERROR GetDCInfo(IMG_HANDLE hDevice, DISPLAY_INFO *psDCInfo) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - - if(!hDevice || !psDCInfo) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - *psDCInfo = psDevInfo->sDisplayInfo; - - return PVRSRV_OK; -} - -/* - * Gets the display framebuffer virtual address. - * in: hDevice - * out: ppsSysAddr, pui32ByteSize, ppvCpuVAddr, phOSMapInfo, pbIsContiguous - */ -static PVRSRV_ERROR GetDCBufferAddr(IMG_HANDLE hDevice, - IMG_HANDLE hBuffer, - IMG_SYS_PHYADDR **ppsSysAddr, - IMG_UINT32 *pui32ByteSize, - IMG_VOID **ppvCpuVAddr, - IMG_HANDLE *phOSMapInfo, - IMG_BOOL *pbIsContiguous, - IMG_UINT32 *pui32TilingStride) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_BUFFER *psSystemBuffer; - - if(!hDevice || !hBuffer || !ppsSysAddr || !pui32ByteSize ) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - psSystemBuffer = (struct OMAP_DISP_BUFFER *)hBuffer; - *ppsSysAddr = &psSystemBuffer->sSysAddr; - *pui32ByteSize = (IMG_UINT32)psDevInfo->sSystemBuffer.ulBufferSize; - - if (ppvCpuVAddr) - *ppvCpuVAddr = psSystemBuffer->sCPUVAddr; - - if (phOSMapInfo) - *phOSMapInfo = (IMG_HANDLE)0; - - if (pbIsContiguous) - *pbIsContiguous = IMG_TRUE; - - return PVRSRV_OK; -} - -/* - * Creates a swap chain. Called when a 3D application begins. - * in: hDevice, ui32Flags, ui32BufferCount, psDstSurfAttrib, psSrcSurfAttrib - * ui32OEMFlags - * out: phSwapChain, ppsSyncData, pui32SwapChainID - */ -static PVRSRV_ERROR CreateDCSwapChain(IMG_HANDLE hDevice, - IMG_UINT32 ui32Flags, - DISPLAY_SURF_ATTRIBUTES *psDstSurfAttrib, - DISPLAY_SURF_ATTRIBUTES *psSrcSurfAttrib, - IMG_UINT32 ui32BufferCount, - PVRSRV_SYNC_DATA **ppsSyncData, - IMG_UINT32 ui32OEMFlags, - IMG_HANDLE *phSwapChain, - IMG_UINT32 *pui32SwapChainID) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - struct OMAP_DISP_BUFFER *psBuffer; - struct OMAP_DISP_FLIP_ITEM *psFlipItems; - IMG_UINT32 i; - PVRSRV_ERROR eError; - IMG_UINT32 ui32BuffersToSkip; - struct omap_display_device *display; - int err; - - if(!hDevice || !psDstSurfAttrib || !psSrcSurfAttrib || - !ppsSyncData || !phSwapChain) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - - if (psDevInfo->sDisplayInfo.ui32MaxSwapChains == 0) - { - ERROR_PRINTK("Unable to operate with 0 MaxSwapChains for" - " display %lu", psDevInfo->ulDeviceID); - return PVRSRV_ERROR_NOT_SUPPORTED; - } - - if(psDevInfo->psSwapChain != NULL) - { - ERROR_PRINTK("Swap chain already exists for" - " display %lu", psDevInfo->ulDeviceID); - return PVRSRV_ERROR_FLIP_CHAIN_EXISTS; - } - - if(ui32BufferCount > psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers) - { - ERROR_PRINTK("Too many buffers. Trying to use %u buffers while" - " there is only %u available for display %lu", - (unsigned int)ui32BufferCount, - (unsigned int)psDevInfo-> - sDisplayInfo.ui32MaxSwapChainBuffers, - psDevInfo->ulDeviceID); - return PVRSRV_ERROR_TOOMANYBUFFERS; - } - - ui32BuffersToSkip = psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers - - ui32BufferCount; - - if((psDstSurfAttrib->pixelformat != - psDevInfo->sDisplayFormat.pixelformat) || - (psDstSurfAttrib->sDims.ui32ByteStride != - psDevInfo->sDisplayDim.ui32ByteStride) || - (psDstSurfAttrib->sDims.ui32Width != - psDevInfo->sDisplayDim.ui32Width) || - (psDstSurfAttrib->sDims.ui32Height != - psDevInfo->sDisplayDim.ui32Height)) - { - ERROR_PRINTK("Destination surface attributes differ from the" - " current framebuffer for display %lu", - psDevInfo->ulDeviceID); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - if((psDstSurfAttrib->pixelformat != - psSrcSurfAttrib->pixelformat) || - (psDstSurfAttrib->sDims.ui32ByteStride != - psSrcSurfAttrib->sDims.ui32ByteStride) || - (psDstSurfAttrib->sDims.ui32Width != - psSrcSurfAttrib->sDims.ui32Width) || - (psDstSurfAttrib->sDims.ui32Height != - psSrcSurfAttrib->sDims.ui32Height)) - { - ERROR_PRINTK("Destination surface attributes differ from the" - " target destination surface for display %lu", - psDevInfo->ulDeviceID); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - /* Create the flip chain in display side */ - display = psDevInfo->display; - /* TODO: What about TILER buffers? */ - /* - * Creating the flip chain with the maximum number of buffers - * we will decide which ones will be used later - */ - err = display->create_flip_chain( - display, psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers); - if(err) - { - ERROR_PRINTK("Unable to create the flip chain for '%s' display" - " id %lu", display->name, psDevInfo->ulDeviceID); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - /* Allocate memory needed for the swap chain */ - psSwapChain = (struct OMAP_DISP_SWAPCHAIN*) kmalloc( - sizeof(struct OMAP_DISP_SWAPCHAIN), GFP_KERNEL); - if(!psSwapChain) - { - ERROR_PRINTK("Out of memory to allocate swap chain for" - " display %lu", psDevInfo->ulDeviceID); - return PVRSRV_ERROR_OUT_OF_MEMORY; - } - - DEBUG_PRINTK("Creating swap chain for display %lu", - psDevInfo->ulDeviceID ); - - /* Allocate memory for the buffer abstraction structures */ - psBuffer = (struct OMAP_DISP_BUFFER*) kmalloc( - sizeof(struct OMAP_DISP_BUFFER) * ui32BufferCount, GFP_KERNEL); - if(!psBuffer) - { - ERROR_PRINTK("Out of memory to allocate the buffer" - " abstraction structures for display %lu", - psDevInfo->ulDeviceID); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorFreeSwapChain; - } - - /* Allocate memory for the flip item abstraction structures */ - psFlipItems = (struct OMAP_DISP_FLIP_ITEM *) kmalloc ( - sizeof(struct OMAP_DISP_FLIP_ITEM) * ui32BufferCount, - GFP_KERNEL); - if (!psFlipItems) - { - ERROR_PRINTK("Out of memory to allocate the flip item" - " abstraction structures for display %lu", - psDevInfo->ulDeviceID); - eError = PVRSRV_ERROR_OUT_OF_MEMORY; - goto ErrorFreeBuffers; - } - - /* Assign to the swap chain structure the initial data */ - psSwapChain->ulBufferCount = (unsigned long)ui32BufferCount; - psSwapChain->psBuffer = psBuffer; - psSwapChain->psFlipItems = psFlipItems; - psSwapChain->ulInsertIndex = 0; - psSwapChain->ulRemoveIndex = 0; - psSwapChain->psPVRJTable = &psDevInfo->sPVRJTable; - psSwapChain->pvDevInfo = (void*)psDevInfo; - - /* - * Init the workqueue (single thread, freezable and real time) - * and its own work for this display - */ - INIT_WORK(&psDevInfo->sync_display_work, display_sync_handler); - psDevInfo->sync_display_wq = - __create_workqueue("pvr_display_sync_wq", 1, 1, 1); - - DEBUG_PRINTK("Swap chain will have %u buffers for display %lu", - (unsigned int)ui32BufferCount, psDevInfo->ulDeviceID); - /* Link the buffers available like a circular list */ - for(i=0; i<ui32BufferCount-1; i++) - { - psBuffer[i].psNext = &psBuffer[i+1]; - } - psBuffer[i].psNext = &psBuffer[0]; - - /* Initialize each buffer abstraction structure */ - for(i=0; i<ui32BufferCount; i++) - { - /* Get the needed buffers from the display flip chain */ - IMG_UINT32 ui32SwapBuffer = i + ui32BuffersToSkip; - struct omap_display_buffer * flip_buffer = - display->flip_chain->buffers[ui32SwapBuffer]; - psBuffer[i].display_buffer = flip_buffer; - psBuffer[i].psSyncData = ppsSyncData[i]; - psBuffer[i].sSysAddr.uiAddr = flip_buffer->physical_addr; - psBuffer[i].sCPUVAddr = - (IMG_CPU_VIRTADDR) flip_buffer->virtual_addr; - DEBUG_PRINTK("Display %lu buffer index %u has physical " - "address 0x%x", - psDevInfo->ulDeviceID, - (unsigned int)i, - (unsigned int)psBuffer[i].sSysAddr.uiAddr); - } - - /* Initialize each flip item abstraction structure */ - for(i=0; i<ui32BufferCount; i++) - { - psFlipItems[i].bValid = OMAP_FALSE; - psFlipItems[i].bFlipped = OMAP_FALSE; - psFlipItems[i].bCmdCompleted = OMAP_FALSE; - psFlipItems[i].display_buffer = 0; - } - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - psDevInfo->psSwapChain = psSwapChain; - psSwapChain->bFlushCommands = psDevInfo->bFlushCommands; - if (psSwapChain->bFlushCommands) - psSwapChain->ulSetFlushStateRefCount = 1; - else - psSwapChain->ulSetFlushStateRefCount = 0; - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - - *phSwapChain = (IMG_HANDLE)psSwapChain; - - return PVRSRV_OK; - -ErrorFreeBuffers: - kfree(psBuffer); -ErrorFreeSwapChain: - kfree(psSwapChain); - - return eError; -} - -/* - * Destroy a swap chain. Called when a 3D application ends. - * in: hDevice, hSwapChain - */ -static PVRSRV_ERROR DestroyDCSwapChain(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - struct omap_display_device *display; - int err; - - if(!hDevice || !hSwapChain) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - psSwapChain = (struct OMAP_DISP_SWAPCHAIN*)hSwapChain; - display = psDevInfo->display; - - if (psSwapChain != psDevInfo->psSwapChain) - { - ERROR_PRINTK("Swap chain handler differs from the one " - "present in the display device pointer"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - DEBUG_PRINTK("Destroying swap chain for display %lu", - psDevInfo->ulDeviceID); - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - FlushInternalSyncQueue(psSwapChain); - psDevInfo->psSwapChain = NULL; - - /* - * Present the buffer which is at the base of address of - * the framebuffer - */ - display->present_buffer(display->main_buffer); - - /* Destroy the flip chain in display side */ - err = display->destroy_flip_chain(display); - if(err) - { - ERROR_PRINTK("Unable to destroy the flip chain for '%s' " - "display id %lu", display->name, - psDevInfo->ulDeviceID); - } - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - - /* Destroy the workqueue */ - flush_workqueue(psDevInfo->sync_display_wq); - destroy_workqueue(psDevInfo->sync_display_wq); - - kfree(psSwapChain->psFlipItems); - kfree(psSwapChain->psBuffer); - kfree(psSwapChain); - - return PVRSRV_OK; -} - - -/* - * Get display buffers. These are the buffers that can be allocated - * inside the framebuffer memory. - * in: hDevice, hSwapChain - * out: pui32BufferCount, phBuffer - */ -static PVRSRV_ERROR GetDCBuffers(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain, - IMG_UINT32 *pui32BufferCount, - IMG_HANDLE *phBuffer) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - unsigned long i; - - if(!hDevice || !hSwapChain || !pui32BufferCount || !phBuffer) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - psSwapChain = (struct OMAP_DISP_SWAPCHAIN*)hSwapChain; - if (psSwapChain != psDevInfo->psSwapChain) - { - ERROR_PRINTK("Swap chain handler differs from the one " - "present in the display device %lu pointer", - psDevInfo->ulDeviceID); - return PVRSRV_ERROR_INVALID_PARAMS; - } - *pui32BufferCount = (IMG_UINT32)psSwapChain->ulBufferCount; - - for(i=0; i<psSwapChain->ulBufferCount; i++) - phBuffer[i] = (IMG_HANDLE)&psSwapChain->psBuffer[i]; - - return PVRSRV_OK; -} - -/* - * Sets the display state. - * in: ui32State, hDevice - */ -static IMG_VOID SetDCState(IMG_HANDLE hDevice, IMG_UINT32 ui32State) -{ - struct OMAP_DISP_DEVINFO *psDevInfo = - (struct OMAP_DISP_DEVINFO*) hDevice; - - switch (ui32State) - { - case DC_STATE_FLUSH_COMMANDS: - DEBUG_PRINTK("Setting state to flush commands for" - " display %lu", psDevInfo->ulDeviceID); - SetFlushStateExternal(psDevInfo, OMAP_TRUE); - break; - case DC_STATE_NO_FLUSH_COMMANDS: - DEBUG_PRINTK("Setting state to not flush commands for" - " display %lu", psDevInfo->ulDeviceID); - SetFlushStateExternal(psDevInfo, OMAP_FALSE); - break; - default: - WARNING_PRINTK("Unknown command state %u for display" - " %lu", (unsigned int)ui32State, - psDevInfo->ulDeviceID); - break; - } -} - -/* - * Swap to display system buffer. This buffer refers to the one which - * is that fits in the framebuffer memory. - * in: hDevice, hSwapChain - */ -static PVRSRV_ERROR SwapToDCSystem(IMG_HANDLE hDevice, - IMG_HANDLE hSwapChain) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - struct omap_display_device *display; - - if(!hDevice || !hSwapChain) - { - ERROR_PRINTK("Invalid parameters"); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)hDevice; - psSwapChain = (struct OMAP_DISP_SWAPCHAIN*)hSwapChain; - display = psDevInfo->display; - - DEBUG_PRINTK("Executing for display %lu", - psDevInfo->ulDeviceID); - - if (psSwapChain != psDevInfo->psSwapChain) - { - ERROR_PRINTK("Swap chain handler differs from the one " - "present in the display device %lu pointer", - psDevInfo->ulDeviceID); - return PVRSRV_ERROR_INVALID_PARAMS; - } - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - FlushInternalSyncQueue(psSwapChain); - display->present_buffer(display->main_buffer); - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - - return PVRSRV_OK; -} - -/* - * Handles the synchronization with the display - * in: work - */ - -static void display_sync_handler(struct work_struct *work) -{ - /* - * TODO: Since present_buffer_sync waits and then present, this - * algorithm can be simplified further - */ - struct OMAP_DISP_DEVINFO *psDevInfo = container_of(work, - struct OMAP_DISP_DEVINFO, sync_display_work); - struct omap_display_device *display = psDevInfo->display; - struct OMAP_DISP_FLIP_ITEM *psFlipItem; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - unsigned long ulMaxIndex; - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - psSwapChain = psDevInfo->psSwapChain; - if (!psSwapChain || psSwapChain->bFlushCommands) - goto ExitUnlock; - - psFlipItem = &psSwapChain->psFlipItems[psSwapChain->ulRemoveIndex]; - ulMaxIndex = psSwapChain->ulBufferCount - 1; - - /* Iterate through the flip items and flip them if necessary */ - while (psFlipItem->bValid) { - /* Update display */ - display->present_buffer_sync(psFlipItem->display_buffer); - - psFlipItem->ulSwapInterval--; - psFlipItem->bFlipped = OMAP_TRUE; - - if (psFlipItem->ulSwapInterval == 0) { - - /* Mark the flip item as completed to reuse it */ - psSwapChain->ulRemoveIndex++; - if (psSwapChain->ulRemoveIndex > ulMaxIndex) - psSwapChain->ulRemoveIndex = 0; - psFlipItem->bCmdCompleted = OMAP_FALSE; - psFlipItem->bFlipped = OMAP_FALSE; - psFlipItem->bValid = OMAP_FALSE; - - psSwapChain->psPVRJTable->pfnPVRSRVCmdComplete( - (IMG_HANDLE)psFlipItem->hCmdComplete, - IMG_TRUE); - psFlipItem->bCmdCompleted = OMAP_TRUE; - } else { - /* - * Here the swap interval is not zero yet - * we need to schedule another work until - * it reaches zero - */ - queue_work(psDevInfo->sync_display_wq, - &psDevInfo->sync_display_work); - break; - } - - psFlipItem = - &psSwapChain->psFlipItems[psSwapChain->ulRemoveIndex]; - } - -ExitUnlock: - mutex_unlock(&psDevInfo->sSwapChainLockMutex); -} - -/* - * Performs a flip. This function takes the necessary steps to present - * the buffer to be flipped in the display. - * in: hCmdCookie, ui32DataSize, pvData - */ -static IMG_BOOL ProcessFlip(IMG_HANDLE hCmdCookie, - IMG_UINT32 ui32DataSize, - IMG_VOID *pvData) -{ - DISPLAYCLASS_FLIP_COMMAND *psFlipCmd; - struct OMAP_DISP_DEVINFO *psDevInfo; - struct OMAP_DISP_BUFFER *psBuffer; - struct OMAP_DISP_SWAPCHAIN *psSwapChain; - struct omap_display_device *display; -#if defined(SYS_USING_INTERRUPTS) - struct OMAP_DISP_FLIP_ITEM* psFlipItem; -#endif - - if(!hCmdCookie || !pvData) - { - WARNING_PRINTK("Ignoring call with NULL parameters"); - return IMG_FALSE; - } - - psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)pvData; - - if (psFlipCmd == IMG_NULL || - sizeof(DISPLAYCLASS_FLIP_COMMAND) != ui32DataSize) - { - WARNING_PRINTK("NULL command or command data size is wrong"); - return IMG_FALSE; - } - - psDevInfo = (struct OMAP_DISP_DEVINFO*)psFlipCmd->hExtDevice; - psBuffer = (struct OMAP_DISP_BUFFER*)psFlipCmd->hExtBuffer; - psSwapChain = (struct OMAP_DISP_SWAPCHAIN*) psFlipCmd->hExtSwapChain; - display = psDevInfo->display; - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - if (psDevInfo->bDeviceSuspended) - { - /* If is suspended then assume the commands are completed */ - psSwapChain->psPVRJTable->pfnPVRSRVCmdComplete( - hCmdCookie, IMG_TRUE); - goto ExitTrueUnlock; - } - -#if defined(SYS_USING_INTERRUPTS) - - if( psFlipCmd->ui32SwapInterval == 0 || - psSwapChain->bFlushCommands == OMAP_TRUE) - { -#endif - display->present_buffer(psBuffer->display_buffer); - psSwapChain->psPVRJTable->pfnPVRSRVCmdComplete( - hCmdCookie, IMG_TRUE); - -#if defined(SYS_USING_INTERRUPTS) - goto ExitTrueUnlock; - } - - psFlipItem = &psSwapChain->psFlipItems[psSwapChain->ulInsertIndex]; - - if(psFlipItem->bValid == OMAP_FALSE) - { - unsigned long ulMaxIndex = psSwapChain->ulBufferCount - 1; - - psFlipItem->bFlipped = OMAP_FALSE; - - /* - * The buffer is queued here, must be consumed by the workqueue - */ - psFlipItem->hCmdComplete = (OMAP_HANDLE)hCmdCookie; - psFlipItem->ulSwapInterval = - (unsigned long)psFlipCmd->ui32SwapInterval; - psFlipItem->sSysAddr = &psBuffer->sSysAddr; - psFlipItem->bValid = OMAP_TRUE; - psFlipItem->display_buffer = psBuffer->display_buffer; - - psSwapChain->ulInsertIndex++; - if(psSwapChain->ulInsertIndex > ulMaxIndex) - psSwapChain->ulInsertIndex = 0; - - /* Give work to the workqueue to sync with the display */ - queue_work(psDevInfo->sync_display_wq, - &psDevInfo->sync_display_work); - - goto ExitTrueUnlock; - } - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - return IMG_FALSE; -#endif - -ExitTrueUnlock: - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - return IMG_TRUE; -} - -#if defined(LDM_PLATFORM) - -/* - * Function called when the driver must suspend - */ -static void DriverSuspend(void) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - int i; - - if(!pDisplayDevices) - return; - - for(i = 0; i < display_devices_count; i++) - { - psDevInfo = &pDisplayDevices[i]; - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - if (psDevInfo->bDeviceSuspended) - { - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - continue; - } - - psDevInfo->bDeviceSuspended = OMAP_TRUE; - SetFlushStateInternalNoLock(psDevInfo, OMAP_TRUE); - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - } -} - -/* - * Function called when the driver must resume - */ -static void DriverResume(void) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - int i; - - if(!pDisplayDevices) - return; - - for(i = 0; i < display_devices_count; i++) - { - psDevInfo = &pDisplayDevices[i]; - - mutex_lock(&psDevInfo->sSwapChainLockMutex); - - if (!psDevInfo->bDeviceSuspended) - { - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - continue; - } - - SetFlushStateInternalNoLock(psDevInfo, OMAP_FALSE); - psDevInfo->bDeviceSuspended = OMAP_FALSE; - - mutex_unlock(&psDevInfo->sSwapChainLockMutex); - } -} -#endif /* defined(LDM_PLATFORM) */ - -/* - * Frees the kernel framebuffer - * in: psDevInfo - */ -static void deinit_display_device(struct OMAP_DISP_DEVINFO *psDevInfo) -{ - /* TODO: Are we sure there is nothing to do here? */ -} - -/* - * Deinitialization routine for the 3rd party display driver - */ -static enum OMAP_ERROR destroy_display_devices(void) -{ - struct OMAP_DISP_DEVINFO *psDevInfo; - PVRSRV_DC_DISP2SRV_KMJTABLE *psJTable; - int i; - - DEBUG_PRINTK("Deinitializing 3rd party display driver"); - - if(!pDisplayDevices) - return OMAP_OK; - - for(i = 0; i < display_devices_count; i++) - { - psDevInfo = &pDisplayDevices[i]; - if(!psDevInfo->display) - continue; - - /* Remove the ProcessFlip command callback */ - psJTable = &psDevInfo->sPVRJTable; - - if(!psJTable) - continue; - - if (psDevInfo->sPVRJTable.pfnPVRSRVRemoveCmdProcList( - psDevInfo->ulDeviceID, - OMAP_DC_CMD_COUNT) != PVRSRV_OK) - { - ERROR_PRINTK("Unable to remove callback for " - "ProcessFlip command for display %lu", - psDevInfo->ulDeviceID); - return OMAP_ERROR_GENERIC; - } - - /* Remove the display device from services */ - if (psJTable->pfnPVRSRVRemoveDCDevice( - psDevInfo->ulDeviceID) != PVRSRV_OK) - { - ERROR_PRINTK("Unable to remove the display %lu " - "from services", psDevInfo->ulDeviceID); - return OMAP_ERROR_GENERIC; - } - - deinit_display_device(psDevInfo); - } - - kfree(pDisplayDevices); - - return OMAP_OK; -} - -/* - * Extracts the framebuffer data from the kernel driver - * in: psDevInfo - */ -static enum OMAP_ERROR init_display_device(struct OMAP_DISP_DEVINFO *psDevInfo, - struct omap_display_device *display) -{ - int buffers_available = display->buffers_available; - - /* Extract the needed data from the display struct */ - DEBUG_PRINTK("Display '%s' id %i information:", display->name, - display->id); - DEBUG_PRINTK("*Width, height: %u,%u", display->width, - display->height); - DEBUG_PRINTK("*Rotation: %u", display->rotation); - DEBUG_PRINTK("*Stride: %u bytes", display->byte_stride); - DEBUG_PRINTK("*Buffers available: %u", buffers_available); - DEBUG_PRINTK("*Bytes per pixel: %u (%u bpp)", - display->bytes_per_pixel, display->bits_per_pixel); - - if(display->bits_per_pixel == 16) - { - if(display->pixel_format == RGB_565) - { - DEBUG_PRINTK("*Format: RGB565"); - psDevInfo->sDisplayFormat.pixelformat = - PVRSRV_PIXEL_FORMAT_RGB565; - } - else - WARNING_PRINTK("*Format: Unknown framebuffer" - "format"); - } - else if(display->bits_per_pixel == 24 || - display->bits_per_pixel == 32) - { - if(display->pixel_format == ARGB_8888) - { - DEBUG_PRINTK("*Format: ARGB8888"); - psDevInfo->sDisplayFormat.pixelformat = - PVRSRV_PIXEL_FORMAT_ARGB8888; - - } - else - WARNING_PRINTK("*Format: Unknown framebuffer" - "format"); - } - else - WARNING_PRINTK("*Format: Unknown framebuffer format"); - - if(display->main_buffer) - { - DEBUG_PRINTK("*Bytes per buffer: %lu", - display->main_buffer->size); - DEBUG_PRINTK("*Main buffer physical address: 0x%lx", - display->main_buffer->physical_addr); - DEBUG_PRINTK("*Main buffer virtual address: 0x%lx", - display->main_buffer->virtual_addr); - DEBUG_PRINTK("*Main buffer size: %lu bytes", - display->main_buffer->size); - } - else - { - psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers = 0; - ERROR_PRINTK("*No main buffer found for display '%s'", - display->name); - return OMAP_ERROR_INIT_FAILURE; - } - - psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers = buffers_available; - mutex_init(&psDevInfo->sSwapChainLockMutex); - psDevInfo->psSwapChain = 0; - psDevInfo->bFlushCommands = OMAP_FALSE; - psDevInfo->bDeviceSuspended = OMAP_FALSE; - - if(psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers > 1) - { - if(MAX_BUFFERS_FLIPPING == 1) - { - DEBUG_PRINTK("Flipping support is possible" - " but you decided not to use it"); - } - - DEBUG_PRINTK("*Flipping support"); - if(psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers > - MAX_BUFFERS_FLIPPING) - psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers = - MAX_BUFFERS_FLIPPING; - } - else - { - DEBUG_PRINTK("*Flipping not supported"); - } - - if (psDevInfo->sDisplayInfo.ui32MaxSwapChainBuffers == 0) - { - psDevInfo->sDisplayInfo.ui32MaxSwapChains = 0; - psDevInfo->sDisplayInfo.ui32MaxSwapInterval = 0; - } - else - { - psDevInfo->sDisplayInfo.ui32MaxSwapChains = 1; - psDevInfo->sDisplayInfo.ui32MaxSwapInterval = 3; - } - psDevInfo->sDisplayInfo.ui32MinSwapInterval = 0; - - /* Get the display and framebuffer needed info */ - strncpy(psDevInfo->sDisplayInfo.szDisplayName, - DISPLAY_DEVICE_NAME, MAX_DISPLAY_NAME_SIZE); - - psDevInfo->sDisplayDim.ui32Width = display->width; - psDevInfo->sDisplayDim.ui32Height = display->height; - psDevInfo->sDisplayDim.ui32ByteStride = display->byte_stride; - psDevInfo->sSystemBuffer.sSysAddr.uiAddr = - display->main_buffer->physical_addr; - psDevInfo->sSystemBuffer.sCPUVAddr = - (IMG_CPU_VIRTADDR) display->main_buffer->virtual_addr; - psDevInfo->sSystemBuffer.ulBufferSize = display->main_buffer->size; - psDevInfo->sSystemBuffer.display_buffer = display->main_buffer; - psDevInfo->display = display; - - return OMAP_OK; -} - -/* - * Initialization routine for the 3rd party display driver - */ -static enum OMAP_ERROR create_display_devices(void) -{ - PFN_CMD_PROC pfnCmdProcList[OMAP_DC_CMD_COUNT]; - IMG_UINT32 aui32SyncCountList[OMAP_DC_CMD_COUNT][2]; - int i; - unsigned int bytes_to_alloc; - - DEBUG_PRINTK("Initializing 3rd party display driver"); - - /* Init display abstraction layer */ - omap_display_initialize(); - - /* Ask for the number of displays available */ - /* TODO: allow more displays */ - display_devices_count = 1; // omap_display_count(); - - DEBUG_PRINTK("Found %i displays", display_devices_count); - - /* - * Obtain the function pointer for the jump table from kernel - * services to fill it with the function pointers that we want - */ - if(get_pvr_dc_jtable ("PVRGetDisplayClassJTable", - &pfnGetPVRJTable) != OMAP_OK) - { - ERROR_PRINTK("Unable to get the function to get the" - " jump table display->services"); - return OMAP_ERROR_INIT_FAILURE; - } - - /* - * Allocate the display device structures, one per display available - */ - bytes_to_alloc = - sizeof(struct OMAP_DISP_DEVINFO) * display_devices_count; - pDisplayDevices = (struct OMAP_DISP_DEVINFO *) kmalloc( - bytes_to_alloc, GFP_KERNEL); - if(!pDisplayDevices) - { - pDisplayDevices = NULL; - ERROR_PRINTK("Out of memory"); - return OMAP_ERROR_OUT_OF_MEMORY; - } - memset(pDisplayDevices, 0, bytes_to_alloc); - - /* - * Initialize each display device - */ - for(i = 0; i < display_devices_count; i++) - { - struct omap_display_device *display; - struct OMAP_DISP_DEVINFO * psDevInfo; - enum omap_display_id id; - - psDevInfo = &pDisplayDevices[i]; - psDevInfo->display = 0; - - id = OMAP_DISPID_VIRTUAL; - - /* - * TODO: Modify this to allow primary, secondary, - * not only virtual - */ -#if 0 - switch(i) - { - case 0: - id = OMAP_DISPID_PRIMARY; - break; - case 1: - id = OMAP_DISPID_SECONDARY; - break; - case 2: - id = OMAP_DISPID_TERTIARY; - break; - case 3: - id = OMAP_DISPID_VIRTUAL; - break; - default: - ERROR_PRINTK("Invalid display type %i", i); - BUG(); - } - -#endif - - display = omap_display_get(id); - if(!display) - continue; - - if(init_display_device(psDevInfo, display) != OMAP_OK) - { - ERROR_PRINTK("Unable to initialize display '%s' type" - " %u", display->name, display->id); - continue; -#if 0 - kfree(pDisplayDevices); - pDisplayDevices = NULL; - return OMAP_ERROR_INIT_FAILURE; -#endif - } - - /* - * Populate each display device structure - */ - if(!(*pfnGetPVRJTable)(&psDevInfo->sPVRJTable)) - { - ERROR_PRINTK("Unable to get the jump table" - " display->services for display '%s'", - display->name); - return OMAP_ERROR_INIT_FAILURE; - } - - /* Populate the function table that services will use */ - psDevInfo->sDCJTable.ui32TableSize = - sizeof(PVRSRV_DC_SRV2DISP_KMJTABLE); - psDevInfo->sDCJTable.pfnOpenDCDevice = OpenDCDevice; - psDevInfo->sDCJTable.pfnCloseDCDevice = CloseDCDevice; - psDevInfo->sDCJTable.pfnEnumDCFormats = EnumDCFormats; - psDevInfo->sDCJTable.pfnEnumDCDims = EnumDCDims; - psDevInfo->sDCJTable.pfnGetDCSystemBuffer = GetDCSystemBuffer; - psDevInfo->sDCJTable.pfnGetDCInfo = GetDCInfo; - psDevInfo->sDCJTable.pfnGetBufferAddr = GetDCBufferAddr; - psDevInfo->sDCJTable.pfnCreateDCSwapChain = CreateDCSwapChain; - psDevInfo->sDCJTable.pfnDestroyDCSwapChain = - DestroyDCSwapChain; - psDevInfo->sDCJTable.pfnSetDCDstRect = SetDCDstRect; - psDevInfo->sDCJTable.pfnSetDCSrcRect = SetDCSrcRect; - psDevInfo->sDCJTable.pfnSetDCDstColourKey = SetDCDstColourKey; - psDevInfo->sDCJTable.pfnSetDCSrcColourKey = SetDCSrcColourKey; - psDevInfo->sDCJTable.pfnGetDCBuffers = GetDCBuffers; - psDevInfo->sDCJTable.pfnSwapToDCBuffer = SwapToDCBuffer; - psDevInfo->sDCJTable.pfnSwapToDCSystem = SwapToDCSystem; - psDevInfo->sDCJTable.pfnSetDCState = SetDCState; - - /* Register the display device */ - if(psDevInfo->sPVRJTable.pfnPVRSRVRegisterDCDevice( - &psDevInfo->sDCJTable, - (IMG_UINT32*) &psDevInfo->ulDeviceID) != PVRSRV_OK) - { - ERROR_PRINTK("Unable to register the jump table" - " services->display"); - return OMAP_ERROR_DEVICE_REGISTER_FAILED; - } - - DEBUG_PRINTK("Display '%s' registered with the GPU with" - " id %lu", display->name, psDevInfo->ulDeviceID); - - /* - * Register the ProcessFlip function to notify when a frame is - * ready to be flipped - */ - pfnCmdProcList[DC_FLIP_COMMAND] = ProcessFlip; - aui32SyncCountList[DC_FLIP_COMMAND][0] = 0; - aui32SyncCountList[DC_FLIP_COMMAND][1] = 2; - if (psDevInfo->sPVRJTable.pfnPVRSRVRegisterCmdProcList( - psDevInfo->ulDeviceID, &pfnCmdProcList[0], - aui32SyncCountList, OMAP_DC_CMD_COUNT) != PVRSRV_OK) - { - ERROR_PRINTK("Unable to register callback for " - "ProcessFlip command"); - return OMAP_ERROR_CANT_REGISTER_CALLBACK; - } - - } - return OMAP_OK; -} - -/* - * Here we get the function pointer to get jump table from - * services using an external function. - * in: szFunctionName - * out: ppfnFuncTable - */ -static enum OMAP_ERROR get_pvr_dc_jtable (char *szFunctionName, - PFN_DC_GET_PVRJTABLE *ppfnFuncTable) -{ - if(strcmp("PVRGetDisplayClassJTable", szFunctionName) != 0) - { - ERROR_PRINTK("Unable to get function pointer for %s" - " from services", szFunctionName); - return OMAP_ERROR_INVALID_PARAMS; - } - *ppfnFuncTable = PVRGetDisplayClassJTable; - - return OMAP_OK; -} - -#if defined(LDM_PLATFORM) - -static volatile enum OMAP_BOOL bDeviceSuspended; - -/* - * Common suspend driver function - * in: psSwapChain, aPhyAddr - */ -static void CommonSuspend(void) -{ - if (bDeviceSuspended) - { - DEBUG_PRINTK("Driver is already suspended"); - return; - } - - DriverSuspend(); - bDeviceSuspended = OMAP_TRUE; -} - -#if defined(SGX_EARLYSUSPEND) - -static struct early_suspend driver_early_suspend; - -/* - * Android specific, driver is requested to be suspended - * in: ea_event - */ -static void DriverSuspend_Entry(struct early_suspend *ea_event) -{ - DEBUG_PRINTK("Requested driver suspend"); - CommonSuspend(); -} - -/* - * Android specific, driver is requested to be suspended - * in: ea_event - */ -static void DriverResume_Entry(struct early_suspend *ea_event) -{ - DEBUG_PRINTK("Requested driver resume"); - DriverResume(); - bDeviceSuspended = OMAP_FALSE; -} - -static struct platform_driver omap_sgx_dc_driver = { - .driver = { - .name = DRVNAME, - } -}; - -#else /* defined(SGX_EARLYSUSPEND) */ - -/* - * Function called when the driver is requested to be suspended - * in: pDevice, state - */ -static int DriverSuspend_Entry(struct platform_device unref__ *pDevice, - pm_message_t unref__ state) -{ - DEBUG_PRINTK("Requested driver suspend"); - CommonSuspend(); - return 0; -} - -/* - * Function called when the driver is requested to resume - * in: pDevice - */ -static int DriverResume_Entry(struct platform_device unref__ *pDevice) -{ - DEBUG_PRINTK("Requested driver resume"); - DriverResume(); - bDeviceSuspended = OMAP_FALSE; - return 0; -} - -/* - * Function called when the driver is requested to shutdown - * in: pDevice - */ -static IMG_VOID DriverShutdown_Entry( - struct platform_device unref__ *pDevice) -{ - DEBUG_PRINTK("Requested driver shutdown"); - CommonSuspend(); -} - -static struct platform_driver omap_sgx_dc_driver = { - .driver = { - .name = DRVNAME, - }, - .suspend = DriverSuspend_Entry, - .resume = DriverResume_Entry, - .shutdown = DriverShutdown_Entry, -}; - -#endif /* defined(SGX_EARLYSUSPEND) */ - -#endif /* defined(LDM_PLATFORM) */ - -/* - * Driver init function - */ -static int __init omap_sgx_dc_init(void) -{ - if(create_display_devices() != OMAP_OK) - { - WARNING_PRINTK("Driver init failed"); - return -ENODEV; - } - -#if defined(LDM_PLATFORM) - DEBUG_PRINTK("Registering platform driver"); - if (platform_driver_register(&omap_sgx_dc_driver)) - { - WARNING_PRINTK("Unable to register platform driver"); - if(destroy_display_devices() != OMAP_OK) - WARNING_PRINTK("Driver cleanup failed\n"); - return -ENODEV; - } - -#if defined(SGX_EARLYSUSPEND) - driver_early_suspend.suspend = DriverSuspend_Entry; - driver_early_suspend.resume = DriverResume_Entry; - driver_early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB; - register_early_suspend(&driver_early_suspend); - DEBUG_PRINTK("Registered early suspend support"); -#endif - -#endif - return 0; -} - -/* - * Driver exit function - */ -static IMG_VOID __exit omap_sgx_dc_deinit(IMG_VOID) -{ -#if defined(LDM_PLATFORM) - DEBUG_PRINTK("Removing platform driver"); - platform_driver_unregister(&omap_sgx_dc_driver); -#if defined(SGX_EARLYSUSPEND) - unregister_early_suspend(&driver_early_suspend); -#endif -#endif - if(destroy_display_devices() != OMAP_OK) - WARNING_PRINTK("Driver cleanup failed"); -} - -MODULE_SUPPORTED_DEVICE(DEVNAME); -late_initcall(omap_sgx_dc_init); -module_exit(omap_sgx_dc_deinit); |