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/*
* Copyright © 2007 Intel Corporation
*
* 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:
* Zhenyu Wang <zhenyu.z.wang@intel.com>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _INTEL_XVMC_SERVER_
#include "i830.h"
#include "i830_hwmc.h"
struct intel_xvmc_driver *xvmc_driver;
/* set global current driver for xvmc */
static Bool intel_xvmc_set_driver(struct intel_xvmc_driver *d)
{
if (xvmc_driver) {
ErrorF("XvMC driver already set!\n");
return FALSE;
} else
xvmc_driver = d;
return TRUE;
}
/* check chip type and load xvmc driver */
/* This must be first called! */
Bool intel_xvmc_probe(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
Bool ret = FALSE;
if (!intel->XvMCEnabled)
return FALSE;
/* Needs KMS support. */
if (IS_I915G(intel) || IS_I915GM(intel))
return FALSE;
if (IS_I9XX(intel)) {
if (IS_I915(intel))
ret = intel_xvmc_set_driver(&i915_xvmc_driver);
else if (IS_G4X(intel) || IS_IGDNG(intel))
ret = intel_xvmc_set_driver(&vld_xvmc_driver);
else
ret = intel_xvmc_set_driver(&i965_xvmc_driver);
} else {
ErrorF("Your chipset doesn't support XvMC.\n");
return FALSE;
}
return TRUE;
}
void intel_xvmc_finish(ScrnInfoPtr scrn)
{
if (!xvmc_driver)
return;
(*xvmc_driver->fini) (scrn);
}
Bool intel_xvmc_driver_init(ScreenPtr pScreen, XF86VideoAdaptorPtr xv_adaptor)
{
ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
struct drm_i915_setparam sp;
int ret;
if (!xvmc_driver) {
ErrorF("Failed to probe XvMC driver.\n");
return FALSE;
}
if (!(*xvmc_driver->init) (scrn, xv_adaptor)) {
ErrorF("XvMC driver initialize failed.\n");
return FALSE;
}
/* Currently XvMC uses batchbuffer */
sp.param = I915_SETPARAM_ALLOW_BATCHBUFFER;
sp.value = 1;
ret = drmCommandWrite(intel->drmSubFD, DRM_I915_SETPARAM,
&sp, sizeof(sp));
if (ret == 0)
return TRUE;
return FALSE;
}
Bool intel_xvmc_screen_init(ScreenPtr pScreen)
{
ScrnInfoPtr scrn = xf86Screens[pScreen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
char buf[64];
if (!xvmc_driver)
return FALSE;
if (xf86XvMCScreenInit(pScreen, 1, &xvmc_driver->adaptor)) {
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"[XvMC] %s driver initialized.\n",
xvmc_driver->name);
} else {
intel_xvmc_finish(scrn);
intel->XvMCEnabled = FALSE;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"[XvMC] Failed to initialize XvMC.\n");
return FALSE;
}
sprintf(buf, "pci:%04x:%02x:%02x.%d",
intel->PciInfo->domain,
intel->PciInfo->bus, intel->PciInfo->dev, intel->PciInfo->func);
xf86XvMCRegisterDRInfo(pScreen, INTEL_XVMC_LIBNAME,
buf,
INTEL_XVMC_MAJOR, INTEL_XVMC_MINOR,
INTEL_XVMC_PATCHLEVEL);
return TRUE;
}
Bool intel_xvmc_init_batch(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
int size = KB(64);
if (!i830_allocate_xvmc_buffer(scrn, "[XvMC] batch buffer",
&(xvmc_driver->batch), size,
0))
return FALSE;
if (drmAddMap(intel->drmSubFD,
(drm_handle_t) (xvmc_driver->batch->bo->offset +
intel->LinearAddr),
xvmc_driver->batch->bo->size, DRM_AGP, 0,
&xvmc_driver->batch_handle) < 0) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"[drm] drmAddMap(batchbuffer_handle) failed!\n");
return FALSE;
}
return TRUE;
}
void intel_xvmc_fini_batch(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
if (xvmc_driver->batch_handle) {
drmRmMap(intel->drmSubFD, xvmc_driver->batch_handle);
xvmc_driver->batch_handle = 0;
}
if (xvmc_driver->batch) {
i830_free_xvmc_buffer(scrn, xvmc_driver->batch);
xvmc_driver->batch = NULL;
}
}
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