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path: root/drivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c
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Diffstat (limited to 'drivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c')
-rwxr-xr-xdrivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c739
1 files changed, 739 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c b/drivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c
new file mode 100755
index 00000000000..3aae69e232e
--- /dev/null
+++ b/drivers/gpu/pvr/services4/srvkm/env/linux/pvr_drm.c
@@ -0,0 +1,739 @@
+/*************************************************************************/ /*!
+@Title PowerVR drm driver
+@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@Description linux module setup
+@License Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+#if defined(SUPPORT_DRI_DRM)
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+#endif
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <asm/ioctl.h>
+#include <drm/drmP.h>
+#include <drm/drm.h>
+
+#include "img_defs.h"
+#include "services.h"
+#include "kerneldisplay.h"
+#include "kernelbuffer.h"
+#include "syscommon.h"
+#include "pvrmmap.h"
+#include "mm.h"
+#include "mmap.h"
+#include "mutex.h"
+#include "pvr_debug.h"
+#include "srvkm.h"
+#include "perproc.h"
+#include "handle.h"
+#include "pvr_bridge_km.h"
+#include "pvr_bridge.h"
+#include "pvrmodule.h"
+#include "pvrversion.h"
+#include "lock.h"
+#include "linkage.h"
+#include "pvr_drm.h"
+
+#if defined(PVR_DRI_DRM_NOT_PCI)
+#include "pvr_drm_mod.h"
+#endif
+
+#if (defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(PVR_LDM_PLATFORM_PRE_REGISTERED)) || defined(NO_HARDWARE)
+#define PVR_DRM_NAME SYS_SGX_DEV_NAME
+#else
+#define PVR_DRM_NAME PVRSRV_MODNAME
+#endif
+
+#define PVR_DRM_DESC "Imagination Technologies PVR DRM"
+
+#define PVR_DRM_DATE "20110701"
+
+#if defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(SUPPORT_DRI_DRM_PLUGIN)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
+#define PVR_NEW_STYLE_DRM_PLATFORM_DEV
+#else
+#define PVR_OLD_STYLE_DRM_PLATFORM_DEV
+#endif
+#endif
+
+/*
+ * Prior to Linux 2.6.36, we couldn't do the release processing in post close
+ * when workqueues were being used, because drm_release held the big kernel
+ * lock (BKL) when it called post close.
+ * If the resman needs to wait for processing being done by a workqueue,
+ * that processing won't complete whilst the lock is held by another thread,
+ * as the workqueue won't get scheduled.
+ */
+#undef PVR_DRI_DRM_USE_POST_CLOSE
+#if (defined(SUPPORT_DRI_DRM_EXT) && !defined(PVR_LINUX_USING_WORKQUEUES)) || \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+#define PVR_DRI_DRM_USE_POST_CLOSE
+#endif
+
+DECLARE_WAIT_QUEUE_HEAD(sWaitForInit);
+
+#if defined(SUPPORT_DRM_MODESET)
+static struct drm_driver sPVRDrmDriver;
+#endif
+
+/* Once bInitComplete and bInitFailed are set, they stay set */
+IMG_BOOL bInitComplete;
+IMG_BOOL bInitFailed;
+
+#if !defined(PVR_DRI_DRM_NOT_PCI) && !defined(SUPPORT_DRI_DRM_PLUGIN)
+#if defined(PVR_DRI_DRM_PLATFORM_DEV)
+struct platform_device *gpsPVRLDMDev;
+#else
+struct pci_dev *gpsPVRLDMDev;
+#endif
+#endif
+
+struct drm_device *gpsPVRDRMDev;
+
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,24))
+#error "Linux kernel version 2.6.25 or later required for PVR DRM support"
+#endif
+
+#define PVR_DRM_FILE struct drm_file *
+
+#if !defined(SUPPORT_DRI_DRM_EXT) && !defined(SUPPORT_DRI_DRM_PLUGIN)
+#if defined(PVR_DRI_DRM_PLATFORM_DEV)
+static struct platform_device_id asPlatIdList[] = {
+ {SYS_SGX_DEV_NAME, 0},
+ {}
+};
+#else /* defined(PVR_DRI_DRM_PLATFORM_DEV) */
+static struct pci_device_id asPciIdList[] = {
+#if defined(PVR_DRI_DRM_NOT_PCI)
+ {1, 1, 1, 1, 0, 0, 0},
+#else /* defined(PVR_DRI_DRM_NOT_PCI) */
+ {SYS_SGX_DEV_VENDOR_ID, SYS_SGX_DEV_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+#if defined(SYS_SGX_DEV1_DEVICE_ID)
+ {SYS_SGX_DEV_VENDOR_ID, SYS_SGX_DEV1_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+#endif /* defined(SYS_SGX_DEV1_DEVICE_ID) */
+#endif /* defined(PVR_DRI_DRM_NOT_PCI) */
+ {0}
+};
+#endif /* defined(PVR_DRI_DRM_PLATFORM_DEV) */
+#endif /* !defined(SUPPORT_DRI_DRM_EXT) */
+
+DRI_DRM_STATIC int
+PVRSRVDrmLoad(struct drm_device *dev, unsigned long flags)
+{
+ int iRes = 0;
+
+ PVR_TRACE(("PVRSRVDrmLoad"));
+
+ gpsPVRDRMDev = dev;
+#if !defined(PVR_DRI_DRM_NOT_PCI) && !defined(SUPPORT_DRI_DRM_PLUGIN)
+#if defined(PVR_DRI_DRM_PLATFORM_DEV)
+ gpsPVRLDMDev = dev->platformdev;
+#else
+ gpsPVRLDMDev = dev->pdev;
+#endif
+#endif
+
+#if defined(PDUMP)
+ iRes = dbgdrv_init();
+ if (iRes != 0)
+ {
+ goto exit;
+ }
+#endif
+ /* Module initialisation */
+ iRes = PVRCore_Init();
+ if (iRes != 0)
+ {
+ goto exit_dbgdrv_cleanup;
+ }
+
+#if defined(DISPLAY_CONTROLLER)
+ iRes = PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Init)(dev);
+ if (iRes != 0)
+ {
+ goto exit_pvrcore_cleanup;
+ }
+#endif
+ goto exit;
+
+#if defined(DISPLAY_CONTROLLER)
+exit_pvrcore_cleanup:
+ PVRCore_Cleanup();
+#endif
+exit_dbgdrv_cleanup:
+#if defined(PDUMP)
+ dbgdrv_cleanup();
+#endif
+exit:
+ if (iRes != 0)
+ {
+ bInitFailed = IMG_TRUE;
+ }
+ bInitComplete = IMG_TRUE;
+
+ wake_up_interruptible(&sWaitForInit);
+
+ return iRes;
+}
+
+DRI_DRM_STATIC int
+PVRSRVDrmUnload(struct drm_device *dev)
+{
+ PVR_TRACE(("PVRSRVDrmUnload"));
+
+#if defined(DISPLAY_CONTROLLER)
+ PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Cleanup)(dev);
+#endif
+
+ PVRCore_Cleanup();
+
+#if defined(PDUMP)
+ dbgdrv_cleanup();
+#endif
+
+ return 0;
+}
+
+DRI_DRM_STATIC int
+PVRSRVDrmOpen(struct drm_device *dev, struct drm_file *file)
+{
+ while (!bInitComplete)
+ {
+ DEFINE_WAIT(sWait);
+
+ prepare_to_wait(&sWaitForInit, &sWait, TASK_INTERRUPTIBLE);
+
+ if (!bInitComplete)
+ {
+ PVR_TRACE(("%s: Waiting for module initialisation to complete", __FUNCTION__));
+
+ schedule();
+ }
+
+ finish_wait(&sWaitForInit, &sWait);
+
+ if (signal_pending(current))
+ {
+ return -ERESTARTSYS;
+ }
+ }
+
+ if (bInitFailed)
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: Module initialisation failed", __FUNCTION__));
+ return -EINVAL;
+ }
+
+ return PVRSRVOpen(dev, file);
+}
+
+#if defined(PVR_DRI_DRM_USE_POST_CLOSE) || defined(SUPPORT_DRI_DRM_PLUGIN)
+#if defined(SUPPORT_DRI_DRM_PLUGIN)
+DRI_DRM_STATIC int
+PVRSRVDrmRelease(struct drm_device *dev, struct drm_file *file)
+#else
+DRI_DRM_STATIC void
+PVRSRVDrmPostClose(struct drm_device *dev, struct drm_file *file)
+#endif
+{
+ PVRSRVRelease(file->driver_priv);
+
+ file->driver_priv = NULL;
+
+#if defined(SUPPORT_DRI_DRM_PLUGIN)
+ return 0;
+#endif
+}
+#else
+DRI_DRM_STATIC int
+PVRSRVDrmRelease(struct inode *inode, struct file *filp)
+{
+ struct drm_file *file_priv = filp->private_data;
+ void *psDriverPriv = file_priv->driver_priv;
+ int ret;
+
+ ret = drm_release(inode, filp);
+
+ if (ret != 0)
+ {
+ /*
+ * An error means drm_release didn't call drm_lastclose,
+ * but it will have freed file_priv.
+ */
+ PVR_DPF((PVR_DBG_ERROR, "%s : drm_release failed: %d",
+ __FUNCTION__, ret));
+ }
+
+ PVRSRVRelease(psDriverPriv);
+
+ return 0;
+}
+#endif
+
+DRI_DRM_STATIC int
+PVRDRMIsMaster(struct drm_device *dev, void *arg, struct drm_file *pFile)
+{
+ return 0;
+}
+
+#if defined(SUPPORT_DRI_DRM_EXT)
+int
+PVRDRM_Dummy_ioctl(struct drm_device *dev, void *arg, struct drm_file *pFile)
+{
+ return 0;
+}
+#endif
+
+DRI_DRM_STATIC int
+PVRDRMUnprivCmd(struct drm_device *dev, void *arg, struct drm_file *pFile)
+{
+ int ret = 0;
+
+ LinuxLockMutexNested(&gPVRSRVLock, PVRSRV_LOCK_CLASS_BRIDGE);
+
+ if (arg == NULL)
+ {
+ ret = -EFAULT;
+ }
+ else
+ {
+ drm_pvr_unpriv_cmd *psArgs = (drm_pvr_unpriv_cmd *)arg;
+
+ switch (psArgs->cmd)
+ {
+ case PVR_DRM_UNPRIV_INIT_SUCCESFUL:
+ psArgs->res = PVRSRVGetInitServerState(PVRSRV_INIT_SERVER_SUCCESSFUL) ? 1 : 0;
+ break;
+
+ default:
+ ret = -EFAULT;
+ }
+
+ }
+
+ LinuxUnLockMutex(&gPVRSRVLock);
+
+ return ret;
+}
+
+#if defined(DISPLAY_CONTROLLER) && defined(PVR_DISPLAY_CONTROLLER_DRM_IOCTL)
+static int
+PVRDRM_Display_ioctl(struct drm_device *dev, void *arg, struct drm_file *pFile)
+{
+ int res;
+
+ LinuxLockMutexNested(&gPVRSRVLock, PVRSRV_LOCK_CLASS_BRIDGE);
+
+ res = PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Ioctl)(dev, arg, pFile);
+
+ LinuxUnLockMutex(&gPVRSRVLock);
+
+ return res;
+}
+#endif
+
+#if defined(SUPPORT_DRM_MODESET)
+static int
+PVRSRVPciProbe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ PVR_TRACE(("PVRSRVPciProbe"));
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+ return drm_get_pci_dev(dev, id, &sPVRDrmDriver);
+#else
+ return drm_get_dev(dev, id, &sPVRDrmDriver);
+#endif
+}
+
+static void
+PVRSRVPciRemove(struct pci_dev *dev)
+{
+ struct drm_device *psDrmDev;
+
+ PVR_TRACE(("PVRSRVPciRemove"));
+
+ psDrmDev = pci_get_drvdata(dev);
+ drm_put_dev(psDrmDev);
+}
+#endif
+
+/*
+ * For Linux 2.6.33 and above, the DRM ioctl entry point is of the unlocked
+ * variety. The big kernel lock is still taken for ioctls, unless
+ * the DRM_UNLOCKED flag is set. If you revise one of the driver specific
+ * ioctls, or add a new one, consider whether the gPVRSRVLock mutex needs
+ * to be taken.
+ */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
+#define PVR_DRM_FOPS_IOCTL .unlocked_ioctl
+#define PVR_DRM_UNLOCKED DRM_UNLOCKED
+#else
+#define PVR_DRM_FOPS_IOCTL .ioctl
+#define PVR_DRM_UNLOCKED 0
+#endif
+
+#if !defined(SUPPORT_DRI_DRM_EXT)
+
+#if defined(DRM_IOCTL_DEF)
+#define PVR_DRM_IOCTL_DEF(ioctl, _func, _flags) DRM_IOCTL_DEF(DRM_##ioctl, _func, _flags)
+#else
+#define PVR_DRM_IOCTL_DEF(ioctl, _func, _flags) DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)
+#endif
+
+struct drm_ioctl_desc sPVRDrmIoctls[] = {
+ PVR_DRM_IOCTL_DEF(PVR_SRVKM, PVRSRV_BridgeDispatchKM, PVR_DRM_UNLOCKED),
+ PVR_DRM_IOCTL_DEF(PVR_IS_MASTER, PVRDRMIsMaster, DRM_MASTER | PVR_DRM_UNLOCKED),
+ PVR_DRM_IOCTL_DEF(PVR_UNPRIV, PVRDRMUnprivCmd, PVR_DRM_UNLOCKED),
+#if defined(PDUMP)
+ PVR_DRM_IOCTL_DEF(PVR_DBGDRV, dbgdrv_ioctl, PVR_DRM_UNLOCKED),
+#endif
+#if defined(DISPLAY_CONTROLLER) && defined(PVR_DISPLAY_CONTROLLER_DRM_IOCTL)
+ PVR_DRM_IOCTL_DEF(PVR_DISP, PVRDRM_Display_ioctl, DRM_MASTER | PVR_DRM_UNLOCKED)
+#endif
+};
+
+#if !defined(SUPPORT_DRI_DRM_PLUGIN)
+static int pvr_max_ioctl = DRM_ARRAY_SIZE(sPVRDrmIoctls);
+#endif
+
+#if defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(SUPPORT_DRI_DRM_EXT) && \
+ !defined(SUPPORT_DRI_DRM_PLUGIN)
+static int PVRSRVDrmProbe(struct platform_device *pDevice);
+static int PVRSRVDrmRemove(struct platform_device *pDevice);
+#endif /* defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(SUPPORT_DRI_DRM_EXT) */
+
+#if defined(SUPPORT_DRI_DRM_PLUGIN)
+static PVRSRV_DRM_PLUGIN sPVRDrmPlugin =
+{
+ .name = PVR_DRM_NAME,
+
+ .open = PVRSRVDrmOpen,
+ .load = PVRSRVDrmLoad,
+ .unload = PVRSRVDrmUnload,
+
+ .release = PVRSRVDrmRelease,
+
+ .mmap = PVRMMap,
+
+ .ioctls = sPVRDrmIoctls,
+ .num_ioctls = DRM_ARRAY_SIZE(sPVRDrmIoctls),
+ .ioctl_start = 0
+};
+#else /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+static const struct file_operations sPVRFileOps =
+{
+ .owner = THIS_MODULE,
+ .open = drm_open,
+#if defined(PVR_DRI_DRM_USE_POST_CLOSE)
+ .release = drm_release,
+#else
+ .release = PVRSRVDrmRelease,
+#endif
+ PVR_DRM_FOPS_IOCTL = drm_ioctl,
+ .mmap = PVRMMap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+};
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) */
+
+static struct drm_driver sPVRDrmDriver =
+{
+#if defined(PVR_OLD_STYLE_DRM_PLATFORM_DEV)
+ .driver_features = DRIVER_USE_PLATFORM_DEVICE,
+#else
+ .driver_features = 0,
+#endif
+ .dev_priv_size = 0,
+ .load = PVRSRVDrmLoad,
+ .unload = PVRSRVDrmUnload,
+ .open = PVRSRVDrmOpen,
+#if defined(PVR_DRI_DRM_USE_POST_CLOSE)
+ .postclose = PVRSRVDrmPostClose,
+#endif
+#if !defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(SUPPORT_DRM_MODESET)
+ .suspend = PVRSRVDriverSuspend,
+ .resume = PVRSRVDriverResume,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37))
+ .get_map_ofs = drm_core_get_map_ofs,
+ .get_reg_ofs = drm_core_get_reg_ofs,
+#endif
+ .ioctls = sPVRDrmIoctls,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+ .fops = &sPVRFileOps,
+#else
+ .fops =
+ {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+#if defined(PVR_DRI_DRM_USE_POST_CLOSE)
+ .release = drm_release,
+#else
+ .release = PVRSRVDrmRelease,
+#endif
+ PVR_DRM_FOPS_IOCTL = drm_ioctl,
+ .mmap = PVRMMap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+ },
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
+#if defined(PVR_OLD_STYLE_DRM_PLATFORM_DEV)
+ .platform_driver =
+ {
+ .id_table = asPlatIdList,
+ .driver =
+ {
+ .name = PVR_DRM_NAME,
+ },
+ .probe = PVRSRVDrmProbe,
+ .remove = PVRSRVDrmRemove,
+ .suspend = PVRSRVDriverSuspend,
+ .resume = PVRSRVDriverResume,
+ .shutdown = PVRSRVDriverShutdown,
+ },
+#else
+ .pci_driver =
+ {
+ .name = PVR_DRM_NAME,
+ .id_table = asPciIdList,
+#if defined(SUPPORT_DRM_MODESET)
+ .probe = PVRSRVPciProbe,
+ .remove = PVRSRVPciRemove,
+ .suspend = PVRSRVDriverSuspend,
+ .resume = PVRSRVDriverResume,
+#endif
+ },
+#endif
+#endif
+ .name = PVR_DRM_NAME,
+ .desc = PVR_DRM_DESC,
+ .date = PVR_DRM_DATE,
+ .major = PVRVERSION_MAJ,
+ .minor = PVRVERSION_MIN,
+ .patchlevel = PVRVERSION_BUILD,
+};
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) && !defined(PVR_DRI_DRM_PLATFORM_DEV)
+static struct pci_driver sPVRPCIDriver =
+{
+ .name = PVR_DRM_NAME,
+ .id_table = asPciIdList,
+#if defined(SUPPORT_DRM_MODESET)
+ .probe = PVRSRVPciProbe,
+ .remove = PVRSRVPciRemove,
+ .suspend = PVRSRVDriverSuspend,
+ .resume = PVRSRVDriverResume,
+#endif
+};
+#endif
+
+#if defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV)
+#if !defined(PVR_LDM_PLATFORM_PRE_REGISTERED) || defined(NO_HARDWARE)
+static void PVRSRVDeviceRelease(struct device unref__ *pDevice)
+{
+}
+
+static struct platform_device sPVRPlatDevice = {
+ .name = PVR_DRM_NAME,
+ .id = -1,
+ .dev = {
+ .release = PVRSRVDeviceRelease
+ }
+};
+#endif
+
+static struct platform_driver sPVRPlatDriver =
+{
+ .id_table = asPlatIdList,
+ .driver =
+ {
+ .name = PVR_DRM_NAME,
+ },
+ .probe = PVRSRVDrmProbe,
+ .remove = PVRSRVDrmRemove,
+ .suspend = PVRSRVDriverSuspend,
+ .resume = PVRSRVDriverResume,
+ .shutdown = PVRSRVDriverShutdown,
+};
+#endif
+
+#endif /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+
+#if defined(PVR_DRI_DRM_PLATFORM_DEV) && !defined(SUPPORT_DRI_DRM_EXT) && \
+ !defined(SUPPORT_DRI_DRM_PLUGIN)
+static int
+PVRSRVDrmProbe(struct platform_device *pDevice)
+{
+ PVR_TRACE(("PVRSRVDrmProbe"));
+
+#if defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV)
+ gpsPVRLDMDev = pDevice;
+
+ return drm_platform_init(&sPVRDrmDriver, gpsPVRLDMDev);
+#else
+ return drm_get_platform_dev(pDevice, &sPVRDrmDriver);
+#endif
+}
+
+static int
+PVRSRVDrmRemove(struct platform_device *pDevice)
+{
+ PVR_TRACE(("PVRSRVDrmRemove"));
+
+#if defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV)
+ drm_platform_exit(&sPVRDrmDriver, gpsPVRLDMDev);
+#else
+ drm_put_dev(gpsPVRDRMDev);
+#endif
+ return 0;
+}
+#endif
+
+static int __init PVRSRVDrmInit(void)
+{
+ int iRes;
+#if !defined(SUPPORT_DRI_DRM_PLUGIN)
+ sPVRDrmDriver.num_ioctls = pvr_max_ioctl;
+#endif
+
+#if defined(SUPPORT_DRM_MODESET)
+ sPVRDrmDriver.driver_features |= DRIVER_MODESET;
+#endif
+
+ /* Must come before attempting to print anything via Services */
+ PVRDPFInit();
+
+#if defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV)
+ iRes = platform_driver_register(&sPVRPlatDriver);
+#if !defined(PVR_LDM_PLATFORM_PRE_REGISTERED) || defined(NO_HARDWARE)
+ if (iRes == 0)
+ {
+ iRes = platform_device_register(&sPVRPlatDevice);
+ if (iRes != 0)
+ {
+ platform_driver_unregister(&sPVRPlatDriver);
+ }
+ }
+#endif
+#else /* defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV) */
+#if defined(SUPPORT_DRI_DRM_PLUGIN)
+ iRes = SysDRMRegisterPlugin(&sPVRDrmPlugin);
+#else /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+#if defined(PVR_DRI_DRM_NOT_PCI)
+ iRes = drm_pvr_dev_add();
+ if (iRes != 0)
+ {
+ return iRes;
+ }
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
+#if defined(PVR_DRI_DRM_PLATFORM_DEV)
+ iRes = drm_platform_init(&sPVRDrmDriver, gpsPVRLDMDev);
+#else
+ iRes = drm_pci_init(&sPVRDrmDriver, &sPVRPCIDriver);
+#endif
+#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) */
+ iRes = drm_init(&sPVRDrmDriver);
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) */
+
+#if defined(PVR_DRI_DRM_NOT_PCI)
+ if (iRes != 0)
+ {
+ drm_pvr_dev_remove();
+ }
+#endif
+#endif /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+#endif /* defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV) */
+ return iRes;
+}
+
+static void __exit PVRSRVDrmExit(void)
+{
+#if defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV)
+#if !defined(PVR_LDM_PLATFORM_PRE_REGISTERED) || defined(NO_HARDWARE)
+ platform_device_unregister(&sPVRPlatDevice);
+#endif
+ platform_driver_unregister(&sPVRPlatDriver);
+#else /* defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV) */
+#if defined(SUPPORT_DRI_DRM_PLUGIN)
+ SysDRMUnregisterPlugin(&sPVRDrmPlugin);
+#else /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
+#if defined(PVR_DRI_DRM_PLATFORM_DEV)
+ drm_platform_exit(&sPVRDrmDriver, gpsPVRLDMDev);
+#else
+ drm_pci_exit(&sPVRDrmDriver, &sPVRPCIDriver);
+#endif
+#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) */
+ drm_exit(&sPVRDrmDriver);
+#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) */
+
+#if defined(PVR_DRI_DRM_NOT_PCI)
+ drm_pvr_dev_remove();
+#endif
+#endif /* defined(SUPPORT_DRI_DRM_PLUGIN) */
+#endif /* defined(PVR_NEW_STYLE_DRM_PLATFORM_DEV) */
+}
+
+/*
+ * These macro calls define the initialisation and removal functions of the
+ * driver. Although they are prefixed `module_', they apply when compiling
+ * statically as well; in both cases they define the function the kernel will
+ * run to start/stop the driver.
+*/
+module_init(PVRSRVDrmInit);
+module_exit(PVRSRVDrmExit);
+#endif /* !defined(SUPPORT_DRI_DRM_EXT) */
+#endif /* defined(SUPPORT_DRI_DRM) */
+
+