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#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)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nouveau_notifier *notifier;
notifier = CALLOC_STRUCT(nouveau_notifier_t);
if (!notifier)
return NULL;
notifier->mem = nouveau_mem_alloc(ctx, NOUVEAU_MEM_FB, 32, 0);
if (!notifier->mem) {
FREE(notifier);
return NULL;
}
if (!nouveauCreateDmaObject(nmesa, handle, notifier->mem->offset,
notifier->mem->size,
0 /* NV_DMA_TARGET_FB */,
0 /* NV_DMA_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)
{
volatile GLuint *n = notifier->mem->map;
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);
}
GLboolean
nouveau_notifier_wait_status(nouveau_notifier *notifier, GLuint status,
GLuint timeout)
{
volatile GLuint *n = notifier->mem->map;
unsigned int time = 0;
while (time <= timeout) {
if (n[NV_NOTIFY_STATE] & NV_NOTIFY_STATE_ERROR_CODE_MASK) {
MESSAGE("Notifier returned error: 0x%04x\n",
n[NV_NOTIFY_STATE] &
NV_NOTIFY_STATE_ERROR_CODE_MASK);
return GL_FALSE;
}
if (((n[NV_NOTIFY_STATE] & 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);
BEGIN_RING_SIZE(subc, NV_NOTIFY, 1);
OUT_RING (NV_NOTIFY_STYLE_WRITE_ONLY);
BEGIN_RING_SIZE(subc, NV_NOP, 1);
OUT_RING (0);
ret = nouveau_notifier_wait_status(notifier,
NV_NOTIFY_STATE_STATUS_COMPLETED,
0 /* no timeout */);
if (ret) MESSAGE("wait on notifier failed\n");
}
void nouveauSyncInitFuncs(GLcontext *ctx)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
nmesa->syncNotifier = nouveau_notifier_new(ctx, NvSyncNotify);
}
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