1 #include "vblank.h" /* for DO_USLEEP */
3 #include "nouveau_context.h"
4 #include "nouveau_buffers.h"
5 #include "nouveau_object.h"
6 #include "nouveau_fifo.h"
7 #include "nouveau_reg.h"
8 #include "nouveau_msg.h"
9 #include "nouveau_sync.h"
12 nouveau_notifier_new(GLcontext
*ctx
, GLuint handle
)
14 nouveauContextPtr nmesa
= NOUVEAU_CONTEXT(ctx
);
15 nouveau_notifier
*notifier
;
17 #ifdef NOUVEAU_RING_DEBUG
21 notifier
= CALLOC_STRUCT(nouveau_notifier_t
);
25 notifier
->mem
= nouveau_mem_alloc(ctx
,
26 NOUVEAU_MEM_FB
| NOUVEAU_MEM_MAPPED
,
34 if (!nouveauCreateDmaObject(nmesa
, handle
, notifier
->mem
->offset
,
36 0 /* NV_DMA_TARGET_FB */,
37 0 /* NV_DMA_ACCESS_RW */)) {
38 nouveau_mem_free(ctx
, notifier
->mem
);
43 notifier
->handle
= handle
;
48 nouveau_notifier_destroy(GLcontext
*ctx
, nouveau_notifier
*notifier
)
50 /*XXX: free DMA object.. */
51 nouveau_mem_free(ctx
, notifier
->mem
);
56 nouveau_notifier_reset(nouveau_notifier
*notifier
)
58 volatile GLuint
*n
= notifier
->mem
->map
;
60 #ifdef NOUVEAU_RING_DEBUG
64 n
[NV_NOTIFY_TIME_0
/4] = 0x00000000;
65 n
[NV_NOTIFY_TIME_1
/4] = 0x00000000;
66 n
[NV_NOTIFY_RETURN_VALUE
/4] = 0x00000000;
67 n
[NV_NOTIFY_STATE
/4] = (NV_NOTIFY_STATE_STATUS_IN_PROCESS
<<
68 NV_NOTIFY_STATE_STATUS_SHIFT
);
72 nouveau_notifier_wait_status(nouveau_notifier
*notifier
, GLuint status
,
75 volatile GLuint
*n
= notifier
->mem
->map
;
76 unsigned int time
= 0;
78 #ifdef NOUVEAU_RING_DEBUG
82 while (time
<= timeout
) {
83 if (n
[NV_NOTIFY_STATE
/4] & NV_NOTIFY_STATE_ERROR_CODE_MASK
) {
84 MESSAGE("Notifier returned error: 0x%04x\n",
86 NV_NOTIFY_STATE_ERROR_CODE_MASK
);
90 if (((n
[NV_NOTIFY_STATE
/4] & NV_NOTIFY_STATE_STATUS_MASK
) >>
91 NV_NOTIFY_STATE_STATUS_SHIFT
) == status
)
100 MESSAGE("Notifier timed out\n");
105 nouveau_notifier_wait_nop(GLcontext
*ctx
, nouveau_notifier
*notifier
,
108 nouveauContextPtr nmesa
= NOUVEAU_CONTEXT(ctx
);
111 nouveau_notifier_reset(notifier
);
113 BEGIN_RING_SIZE(subc
, NV_NOTIFY
, 1);
114 OUT_RING (NV_NOTIFY_STYLE_WRITE_ONLY
);
115 BEGIN_RING_SIZE(subc
, NV_NOP
, 1);
119 ret
= nouveau_notifier_wait_status(notifier
,
120 NV_NOTIFY_STATE_STATUS_COMPLETED
,
122 if (ret
== GL_FALSE
) MESSAGE("wait on notifier failed\n");
125 GLboolean
nouveauSyncInitFuncs(GLcontext
*ctx
)
127 nouveauContextPtr nmesa
= NOUVEAU_CONTEXT(ctx
);
129 #ifdef NOUVEAU_RING_DEBUG
133 nmesa
->syncNotifier
= nouveau_notifier_new(ctx
, NvSyncNotify
);
134 if (!nmesa
->syncNotifier
) {
135 MESSAGE("Failed to create channel sync notifier\n");
139 /* 0x180 is SET_DMA_NOTIFY, should be correct for all supported 3D
142 BEGIN_RING_CACHE(NvSub3D
, 0x180, 1);
143 OUT_RING_CACHE (NvSyncNotify
);
144 #ifdef ALLOW_MULTI_SUBCHANNEL
145 BEGIN_RING_SIZE(NvSubMemFormat
,
146 NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY
, 1);
147 OUT_RING (NvSyncNotify
);