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/**********************************************************************
*
* 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
*
******************************************************************************/
#if defined(SUPPORT_DRI_DRM)
#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
#endif
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <linux/fs.h>
#include <linux/proc_fs.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 "sysconfig.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 "proc.h"
#include "pvrversion.h"
#include "linkage.h"
#include "pvr_drm_shared.h"
#include "pvr_drm.h"
#define MAKENAME_HELPER(x, y) x ## y
#define MAKENAME(x, y) MAKENAME_HELPER(x, y)
#define PVR_DRM_NAME "pvrsrvkm"
#define PVR_DRM_DESC "Imagination Technologies PVR DRM"
#define PVR_PCI_IDS \
{SYS_SGX_DEV_VENDOR_ID, SYS_SGX_DEV_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
{0, 0, 0}
struct pci_dev *gpsPVRLDMDev;
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(DISPLAY_CONTROLLER)
extern int MAKENAME(DISPLAY_CONTROLLER, _Init)(struct drm_device *);
extern void MAKENAME(DISPLAY_CONTROLLER, _Cleanup)(struct drm_device *);
#endif
#if !defined(SUPPORT_DRI_DRM_EXT)
static struct pci_device_id asPciIdList[] = {
PVR_PCI_IDS
};
#endif
IMG_INT PVRSRVDrmLoad(struct drm_device *dev, unsigned long flags)
{
IMG_INT iRes;
PVR_TRACE(("PVRSRVDrmLoad"));
gpsPVRDRMDev = dev;
gpsPVRLDMDev = dev->pdev;
#if defined(PDUMP)
iRes = dbgdrv_init();
if (iRes != 0)
{
return iRes;
}
#endif
iRes = PVRCore_Init();
if (iRes != 0)
{
goto exit_dbgdrv_cleanup;
}
#if defined(DISPLAY_CONTROLLER)
iRes = MAKENAME(DISPLAY_CONTROLLER, _Init)(dev);
if (iRes != 0)
{
goto exit_pvrcore_cleanup;
}
#endif
return 0;
#if defined(DISPLAY_CONTROLLER)
exit_pvrcore_cleanup:
PVRCore_Cleanup();
#endif
exit_dbgdrv_cleanup:
#if defined(PDUMP)
dbgdrv_cleanup();
#endif
return iRes;
}
IMG_INT PVRSRVDrmUnload(struct drm_device *dev)
{
PVR_TRACE(("PVRSRVDrmUnload"));
#if defined(DISPLAY_CONTROLLER)
MAKENAME(DISPLAY_CONTROLLER, _Cleanup)(dev);
#endif
PVRCore_Cleanup();
#if defined(PDUMP)
dbgdrv_cleanup();
#endif
return 0;
}
IMG_INT PVRSRVDrmOpen(struct drm_device *dev, struct drm_file *file)
{
return PVRSRVOpen(dev, file);
}
IMG_VOID PVRSRVDrmPostClose(struct drm_device *dev, struct drm_file *file)
{
PVRSRVRelease(dev, file);
}
DRI_DRM_STATIC IMG_INT
PVRDRMIsMaster(struct drm_device *dev, IMG_VOID *arg, struct drm_file *pFile)
{
return 0;
}
#if defined(SUPPORT_DRI_DRM_EXT)
IMG_INT
PVRDRM_Dummy_ioctl(struct drm_device *dev, IMG_VOID *arg, struct drm_file *pFile)
{
return 0;
}
#endif
static IMG_INT
PVRDRMPCIBusIDField(struct drm_device *dev, IMG_UINT32 *pui32Field, IMG_UINT32 ui32FieldType)
{
struct pci_dev *psPCIDev = (struct pci_dev *)dev->pdev;
switch (ui32FieldType)
{
case PVR_DRM_PCI_DOMAIN:
*pui32Field = pci_domain_nr(psPCIDev->bus);
break;
case PVR_DRM_PCI_BUS:
*pui32Field = psPCIDev->bus->number;
break;
case PVR_DRM_PCI_DEV:
*pui32Field = PCI_SLOT(psPCIDev->devfn);
break;
case PVR_DRM_PCI_FUNC:
*pui32Field = PCI_FUNC(psPCIDev->devfn);
break;
default:
return -EFAULT;
}
return 0;
}
DRI_DRM_STATIC IMG_INT
PVRDRMUnprivCmd(struct drm_device *dev, IMG_VOID *arg, struct drm_file *pFile)
{
IMG_UINT32 *pui32Args = (IMG_UINT32 *)arg;
IMG_UINT32 ui32Cmd = pui32Args[0];
IMG_UINT32 ui32Arg1 = pui32Args[1];
IMG_UINT32 *pui32OutArg = (IMG_UINT32 *)arg;
switch (ui32Cmd)
{
case PVR_DRM_UNPRIV_INIT_SUCCESFUL:
*pui32OutArg = PVRSRVGetInitServerState(PVRSRV_INIT_SERVER_SUCCESSFUL) ? 1 : 0;
break;
case PVR_DRM_UNPRIV_BUSID_TYPE:
*pui32OutArg = PVR_DRM_BUS_TYPE_PCI;
break;
case PVR_DRM_UNPRIV_BUSID_FIELD:
return PVRDRMPCIBusIDField(dev, pui32OutArg, ui32Arg1);
default:
return -EFAULT;
}
return 0;
}
#if !defined(SUPPORT_DRI_DRM_EXT)
struct drm_ioctl_desc sPVRDrmIoctls[] = {
DRM_IOCTL_DEF(PVR_DRM_SRVKM_IOCTL, PVRSRV_BridgeDispatchKM, 0),
DRM_IOCTL_DEF(PVR_DRM_IS_MASTER_IOCTL, PVRDRMIsMaster, DRM_MASTER),
DRM_IOCTL_DEF(PVR_DRM_UNPRIV_IOCTL, PVRDRMUnprivCmd, 0),
#if defined(PDUMP)
DRM_IOCTL_DEF(PVR_DRM_DBGDRV_IOCTL, dbgdrv_ioctl, 0),
#endif
};
static IMG_INT pvr_max_ioctl = DRM_ARRAY_SIZE(sPVRDrmIoctls);
static struct drm_driver sPVRDrmDriver =
{
.driver_features = 0,
.dev_priv_size = 0,
.load = PVRSRVDrmLoad,
.unload = PVRSRVDrmUnload,
.open = PVRSRVDrmOpen,
.postclose = PVRSRVDrmPostClose,
.suspend = PVRSRVDriverSuspend,
.resume = PVRSRVDriverResume,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.ioctls = sPVRDrmIoctls,
.fops =
{
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.ioctl = drm_ioctl,
.mmap = PVRMMap,
.poll = drm_poll,
.fasync = drm_fasync,
},
.pci_driver =
{
.name = PVR_DRM_NAME,
.id_table = asPciIdList,
},
.name = PVR_DRM_NAME,
.desc = PVR_DRM_DESC,
.date = PVR_BUILD_DATE,
.major = PVRVERSION_MAJ,
.minor = PVRVERSION_MIN,
.patchlevel = PVRVERSION_BUILD,
};
static IMG_INT __init PVRSRVDrmInit(IMG_VOID)
{
IMG_INT iRes;
sPVRDrmDriver.num_ioctls = pvr_max_ioctl;
PVRDPFInit();
iRes = drm_init(&sPVRDrmDriver);
return iRes;
}
static IMG_VOID __exit PVRSRVDrmExit(IMG_VOID)
{
drm_exit(&sPVRDrmDriver);
}
module_init(PVRSRVDrmInit);
module_exit(PVRSRVDrmExit);
#endif
#endif
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