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/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
/*
* Copyright © 2011 Texas Instruments, Inc
*
* 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 (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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. 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.
*
* Authors:
* Rob Clark <rob@ti.com>
*/
#ifndef OMAP_EXA_COMMON_H_
#define OMAP_EXA_COMMON_H_
/* note: don't include "omap_driver.h" here.. we want to keep some
* isolation between structs shared with submodules and stuff internal
* to core driver..
*/
#include <omap_drmif.h>
#include "omap_util.h"
#include "exa.h"
/**
* A per-Screen structure used to communicate and coordinate between the OMAP X
* driver and an external EXA sub-module (if loaded).
*/
typedef struct _OMAPEXARec
{
union { struct {
/**
* Called by X driver's CloseScreen() function at the end of each server
* generation to free per-Screen data structures (except those held by
* pScrn).
*/
Bool (*CloseScreen)(int scrnIndex, ScreenPtr pScreen);
/**
* Called by X driver's FreeScreen() function at the end of each server
* lifetime to free per-ScrnInfoRec data structures, to close any external
* connections (e.g. with PVR2D, DRM), etc.
*/
void (*FreeScreen)(int scrnIndex, int flags);
/** get formats supported by PutTextureImage() (for dri2 video..) */
#define MAX_FORMATS 16
unsigned int (*GetFormats)(unsigned int *formats);
Bool (*PutTextureImage)(PixmapPtr pSrcPix, BoxPtr pSrcBox,
PixmapPtr pOsdPix, BoxPtr pOsdBox,
PixmapPtr pDstPix, BoxPtr pDstBox,
unsigned int extraCount, PixmapPtr *extraPix,
unsigned int format);
/* add new fields here at end, to preserve ABI */
/* padding to keep ABI stable, so an existing EXA submodule
* doesn't need to be recompiled when new fields are added
*/
}; void *pad[64]; };
} OMAPEXARec, *OMAPEXAPtr;
/**
* Canonical name of an external sub-module providing support for EXA
* acceleration, that utiltizes the OMAP's PowerVR accelerator and uses closed
* source from Imaginations Technology Limited.
*/
#define SUB_MODULE_PVR "omap_pvr"
OMAPEXAPtr InitPowerVREXA(ScreenPtr pScreen, ScrnInfoPtr pScrn, int fd);
/**
* Fallback EXA implementation
*/
OMAPEXAPtr InitNullEXA(ScreenPtr pScreen, ScrnInfoPtr pScrn, int fd);
OMAPEXAPtr OMAPEXAPTR(ScrnInfoPtr pScrn);
static inline ScrnInfoPtr
pix2scrn(PixmapPtr pPixmap)
{
return xf86Screens[(pPixmap)->drawable.pScreen->myNum];
}
static inline PixmapPtr
draw2pix(DrawablePtr pDraw)
{
if (!pDraw) {
return NULL;
} else if (pDraw->type == DRAWABLE_WINDOW) {
return pDraw->pScreen->GetWindowPixmap((WindowPtr)pDraw);
} else {
return (PixmapPtr)pDraw;
}
}
/* Common OMAP EXA functions, mostly related to pixmap/buffer allocation.
* Individual driver submodules can use these directly, or wrap them with
* there own functions if anything additional is required. Submodules
* can use OMAPPrixmapPrivPtr#priv for their own private data.
*/
typedef struct {
void *priv; /* EXA submodule private data */
struct omap_bo *bo;
} OMAPPixmapPrivRec, *OMAPPixmapPrivPtr;
#define OMAP_CREATE_PIXMAP_SCANOUT 0x80000000
#define OMAP_CREATE_PIXMAP_TILED 0x40000000
void * OMAPCreatePixmap (ScreenPtr pScreen, int width, int height,
int depth, int usage_hint, int bitsPerPixel,
int *new_fb_pitch);
void OMAPDestroyPixmap(ScreenPtr pScreen, void *driverPriv);
Bool OMAPModifyPixmapHeader(PixmapPtr pPixmap, int width, int height,
int depth, int bitsPerPixel, int devKind,
pointer pPixData);
void OMAPWaitMarker(ScreenPtr pScreen, int marker);
Bool OMAPPrepareAccess(PixmapPtr pPixmap, int index);
void OMAPFinishAccess(PixmapPtr pPixmap, int index);
Bool OMAPPixmapIsOffscreen(PixmapPtr pPixmap);
static inline struct omap_bo *
OMAPPixmapBo(PixmapPtr pPixmap)
{
OMAPPixmapPrivPtr priv = exaGetPixmapDriverPrivate(pPixmap);
return priv->bo;
}
void OMAPPixmapExchange(PixmapPtr a, PixmapPtr b);
#endif /* OMAP_EXA_COMMON_H_ */
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