diff options
Diffstat (limited to 'drivers/staging/cdv/pvr/services4/3rdparty/linux_framebuffer_mrst/mrstlfb_linux.c')
| -rw-r--r-- | drivers/staging/cdv/pvr/services4/3rdparty/linux_framebuffer_mrst/mrstlfb_linux.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/services4/3rdparty/linux_framebuffer_mrst/mrstlfb_linux.c b/drivers/staging/cdv/pvr/services4/3rdparty/linux_framebuffer_mrst/mrstlfb_linux.c new file mode 100644 index 000000000000..080b0cc08e68 --- /dev/null +++ b/drivers/staging/cdv/pvr/services4/3rdparty/linux_framebuffer_mrst/mrstlfb_linux.c @@ -0,0 +1,192 @@ +/********************************************************************** + * + * 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/version.h> + +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/interrupt.h> + +#include <drm/drmP.h> + +#include <asm/io.h> + +#include "img_defs.h" +#include "servicesext.h" +#include "kerneldisplay.h" +#include "pvrmodule.h" +#include "pvr_drm.h" +#include "mrstlfb.h" +#include "kerneldisplay.h" +#include "psb_irq.h" + +#include "psb_drv.h" + +#define MAKESTRING(x) # x + +#if !defined(DISPLAY_CONTROLLER) +#define DISPLAY_CONTROLLER pvrlfb +#endif + +//#define MAKENAME_HELPER(x, y) x ## y +//#define MAKENAME2(x, y) MAKENAME_HELPER(x, y) +//#define MAKENAME(x) MAKENAME2(DISPLAY_CONTROLLER, x) + +#define unref__ __attribute__ ((unused)) + + +extern int fb_idx; + +void *MRSTLFBAllocKernelMem(unsigned long ulSize) +{ + return kmalloc(ulSize, GFP_KERNEL); +} + +void MRSTLFBFreeKernelMem(void *pvMem) +{ + kfree(pvMem); +} + + +MRST_ERROR MRSTLFBGetLibFuncAddr (char *szFunctionName, PFN_DC_GET_PVRJTABLE *ppfnFuncTable) +{ + if(strcmp("PVRGetDisplayClassJTable", szFunctionName) != 0) + { + return (MRST_ERROR_INVALID_PARAMS); + } + + + *ppfnFuncTable = PVRGetDisplayClassJTable; + + return (MRST_OK); +} + +static void MRSTLFBVSyncWriteReg(MRSTLFB_DEVINFO *psDevInfo, unsigned long ulOffset, unsigned long ulValue) +{ + + void *pvRegAddr = (void *)(psDevInfo->pvRegs + ulOffset); + mb(); + iowrite32(ulValue, pvRegAddr); +} + +unsigned long MRSTLFBVSyncReadReg(MRSTLFB_DEVINFO * psDevinfo, unsigned long ulOffset) +{ + mb(); + return ioread32((char *)psDevinfo->pvRegs + ulOffset); +} + +void MRSTLFBEnableVSyncInterrupt(MRSTLFB_DEVINFO * psDevinfo) +{ +#if defined(MRST_USING_INTERRUPTS) + struct drm_psb_private *dev_priv = + (struct drm_psb_private *) psDevinfo->psDrmDevice->dev_private; + dev_priv->vblanksEnabledForFlips = true; + psb_enable_vblank(psDevinfo->psDrmDevice, psDevinfo->ui32MainPipe); +#endif +} + +void MRSTLFBDisableVSyncInterrupt(MRSTLFB_DEVINFO * psDevinfo) +{ +#if defined(MRST_USING_INTERRUPTS) + struct drm_device * dev = psDevinfo->psDrmDevice; + struct drm_psb_private *dev_priv = + (struct drm_psb_private *) psDevinfo->psDrmDevice->dev_private; + dev_priv->vblanksEnabledForFlips = false; + if (!dev->vblank_enabled[psDevinfo->ui32MainPipe]) + psb_disable_vblank(psDevinfo->psDrmDevice, psDevinfo->ui32MainPipe); +#endif +} + +#if defined(MRST_USING_INTERRUPTS) +MRST_ERROR MRSTLFBInstallVSyncISR(MRSTLFB_DEVINFO *psDevInfo, MRSTLFB_VSYNC_ISR_PFN pVsyncHandler) +{ + struct drm_psb_private *dev_priv = + (struct drm_psb_private *) psDevInfo->psDrmDevice->dev_private; + dev_priv->psb_vsync_handler = pVsyncHandler; + return (MRST_OK); +} + + +MRST_ERROR MRSTLFBUninstallVSyncISR(MRSTLFB_DEVINFO *psDevInfo) +{ + struct drm_psb_private *dev_priv = + (struct drm_psb_private *) psDevInfo->psDrmDevice->dev_private; + dev_priv->psb_vsync_handler = NULL; + return (MRST_OK); +} +#endif + + +void MRSTLFBFlipToSurface(MRSTLFB_DEVINFO *psDevInfo, unsigned long uiAddr) +{ + int dspbase = (psDevInfo->ui32MainPipe == 0 ? DSPABASE : DSPBBASE); + int dspsurf = (psDevInfo->ui32MainPipe == 0 ? DSPASURF : DSPBSURF); + + if (IS_CDV(psDevInfo->psDrmDevice)) { + dspsurf = DSPASURF; + MRSTLFBVSyncWriteReg(psDevInfo, dspsurf, uiAddr); + + dspsurf = DSPBSURF; + MRSTLFBVSyncWriteReg(psDevInfo, dspsurf, uiAddr); + } else { + MRSTLFBVSyncWriteReg(psDevInfo, dspbase, uiAddr); + } +} + + +int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Init)(struct drm_device unref__ *dev) +{ + if(MRSTLFBInit(dev) != MRST_OK) + { + printk(KERN_WARNING DRIVER_PREFIX ": MRSTLFB_Init: MRSTLFBInit failed\n"); + return -ENODEV; + } + + return 0; +} + +void PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Cleanup)(struct drm_device unref__ *dev) +{ + if(MRSTLFBDeinit() != MRST_OK) + { + printk(KERN_WARNING DRIVER_PREFIX "%s: can't deinit device\n", __FUNCTION__); + } +} + +int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Suspend)(struct drm_device unref__ *dev) +{ + MRSTLFBSuspend(); + + return 0; +} + +int PVR_DRM_MAKENAME(DISPLAY_CONTROLLER, _Resume)(struct drm_device unref__ *dev) +{ + MRSTLFBResume(); + + return 0; +} |