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/*
* Copyright (C) 2007 Ben Skeggs.
*
* All Rights Reserved.
*
* 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#include "vblank.h" /* for DO_USLEEP */
#include "nouveau_context.h"
#include "nouveau_buffers.h"
#include "nouveau_object.h"
#include "nouveau_fifo.h"
#include "nouveau_reg.h"
#include "nouveau_msg.h"
#include "nouveau_sync.h"
nouveau_notifier *
nouveau_notifier_new(GLcontext *ctx, GLuint handle, GLuint count)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_notifier *notifier;
#ifdef NOUVEAU_RING_DEBUG
return NULL;
#endif
notifier = CALLOC_STRUCT(nouveau_notifier_t);
if (!notifier)
return NULL;
notifier->mem = nouveau_mem_alloc(ctx,
NOUVEAU_MEM_FB | NOUVEAU_MEM_MAPPED,
count * NV_NOTIFIER_SIZE,
0);
if (!notifier->mem) {
FREE(notifier);
return NULL;
}
if (!nouveauCreateDmaObjectFromMem(nmesa, handle, NV_DMA_IN_MEMORY,
notifier->mem,
NOUVEAU_MEM_ACCESS_RW)) {
nouveau_mem_free(ctx, notifier->mem);
FREE(notifier);
return NULL;
}
notifier->handle = handle;
return notifier;
}
void
nouveau_notifier_destroy(GLcontext *ctx, nouveau_notifier *notifier)
{
/*XXX: free DMA object.. */
nouveau_mem_free(ctx, notifier->mem);
FREE(notifier);
}
void
nouveau_notifier_reset(nouveau_notifier *notifier, GLuint id)
{
volatile GLuint *n = notifier->mem->map + (id * NV_NOTIFIER_SIZE);
#ifdef NOUVEAU_RING_DEBUG
return;
#endif
n[NV_NOTIFY_TIME_0 /4] = 0x00000000;
n[NV_NOTIFY_TIME_1 /4] = 0x00000000;
n[NV_NOTIFY_RETURN_VALUE/4] = 0x00000000;
n[NV_NOTIFY_STATE /4] = (NV_NOTIFY_STATE_STATUS_IN_PROCESS <<
NV_NOTIFY_STATE_STATUS_SHIFT);
}
GLuint
nouveau_notifier_status(nouveau_notifier *notifier, GLuint id)
{
volatile GLuint *n = notifier->mem->map + (id * NV_NOTIFIER_SIZE);
return n[NV_NOTIFY_STATE/4] >> NV_NOTIFY_STATE_STATUS_SHIFT;
}
GLuint
nouveau_notifier_return_val(nouveau_notifier *notifier, GLuint id)
{
volatile GLuint *n = notifier->mem->map + (id * NV_NOTIFIER_SIZE);
return n[NV_NOTIFY_RETURN_VALUE/4];
}
GLboolean
nouveau_notifier_wait_status(nouveau_notifier *notifier, GLuint id,
GLuint status, GLuint timeout)
{
volatile GLuint *n = notifier->mem->map + (id * NV_NOTIFIER_SIZE);
unsigned int time = 0;
#ifdef NOUVEAU_RING_DEBUG
return GL_TRUE;
#endif
while (time <= timeout) {
if (n[NV_NOTIFY_STATE/4] & NV_NOTIFY_STATE_ERROR_CODE_MASK) {
MESSAGE("Notifier returned error: 0x%04x\n",
n[NV_NOTIFY_STATE/4] &
NV_NOTIFY_STATE_ERROR_CODE_MASK);
return GL_FALSE;
}
if (((n[NV_NOTIFY_STATE/4] & NV_NOTIFY_STATE_STATUS_MASK) >>
NV_NOTIFY_STATE_STATUS_SHIFT) == status)
return GL_TRUE;
if (timeout) {
DO_USLEEP(1);
time++;
}
}
MESSAGE("Notifier timed out\n");
return GL_FALSE;
}
void
nouveau_notifier_wait_nop(GLcontext *ctx, nouveau_notifier *notifier,
GLuint subc)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
GLboolean ret;
nouveau_notifier_reset(notifier, 0);
BEGIN_RING_SIZE(subc, NV_NOTIFY, 1);
OUT_RING (NV_NOTIFY_STYLE_WRITE_ONLY);
BEGIN_RING_SIZE(subc, NV_NOP, 1);
OUT_RING (0);
FIRE_RING();
ret = nouveau_notifier_wait_status(notifier, 0,
NV_NOTIFY_STATE_STATUS_COMPLETED,
0 /* no timeout */);
if (ret == GL_FALSE) MESSAGE("wait on notifier failed\n");
}
GLboolean nouveauSyncInitFuncs(GLcontext *ctx)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
#ifdef NOUVEAU_RING_DEBUG
return GL_TRUE;
#endif
nmesa->syncNotifier = nouveau_notifier_new(ctx, NvSyncNotify, 1);
if (!nmesa->syncNotifier) {
MESSAGE("Failed to create channel sync notifier\n");
return GL_FALSE;
}
/* 0x180 is SET_DMA_NOTIFY, should be correct for all supported 3D
* object classes
*/
BEGIN_RING_CACHE(NvSub3D, 0x180, 1);
OUT_RING_CACHE (NvSyncNotify);
#ifdef ALLOW_MULTI_SUBCHANNEL
BEGIN_RING_SIZE(NvSubMemFormat,
NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 1);
OUT_RING (NvSyncNotify);
#endif
return GL_TRUE;
}
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