2 * Copyright (C) 2007 Ben Skeggs.
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "vblank.h" /* for DO_USLEEP */
30 #include "nouveau_context.h"
31 #include "nouveau_buffers.h"
32 #include "nouveau_object.h"
33 #include "nouveau_fifo.h"
34 #include "nouveau_reg.h"
35 #include "nouveau_msg.h"
36 #include "nouveau_sync.h"
38 #define NOTIFIER(__v) \
39 nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); \
40 volatile uint32_t *__v = (void*)nmesa->notifier_block + notifier->offset
42 struct drm_nouveau_notifier_alloc
*
43 nouveau_notifier_new(GLcontext
*ctx
, GLuint handle
, GLuint count
)
45 nouveauContextPtr nmesa
= NOUVEAU_CONTEXT(ctx
);
46 struct drm_nouveau_notifier_alloc
*notifier
;
49 #ifdef NOUVEAU_RING_DEBUG
53 notifier
= CALLOC_STRUCT(drm_nouveau_notifier_alloc
);
57 notifier
->channel
= nmesa
->fifo
.channel
;
58 notifier
->handle
= handle
;
59 notifier
->count
= count
;
60 ret
= drmCommandWriteRead(nmesa
->driFd
, DRM_NOUVEAU_NOTIFIER_ALLOC
,
61 notifier
, sizeof(*notifier
));
63 MESSAGE("Failed to create notifier 0x%08x: %d\n", handle
, ret
);
72 nouveau_notifier_destroy(GLcontext
*ctx
,
73 struct drm_nouveau_notifier_alloc
*notifier
)
75 /*XXX: free notifier object.. */
80 nouveau_notifier_reset(GLcontext
*ctx
,
81 struct drm_nouveau_notifier_alloc
*notifier
,
86 #ifdef NOUVEAU_RING_DEBUG
90 n
[NV_NOTIFY_TIME_0
/4] = 0x00000000;
91 n
[NV_NOTIFY_TIME_1
/4] = 0x00000000;
92 n
[NV_NOTIFY_RETURN_VALUE
/4] = 0x00000000;
93 n
[NV_NOTIFY_STATE
/4] = (NV_NOTIFY_STATE_STATUS_IN_PROCESS
<<
94 NV_NOTIFY_STATE_STATUS_SHIFT
);
98 nouveau_notifier_status(GLcontext
*ctx
,
99 struct drm_nouveau_notifier_alloc
*notifier
,
104 return n
[NV_NOTIFY_STATE
/4] >> NV_NOTIFY_STATE_STATUS_SHIFT
;
108 nouveau_notifier_return_val(GLcontext
*ctx
,
109 struct drm_nouveau_notifier_alloc
*notifier
,
114 return n
[NV_NOTIFY_RETURN_VALUE
/4];
118 nouveau_notifier_wait_status(GLcontext
*ctx
,
119 struct drm_nouveau_notifier_alloc
*notifier
,
120 GLuint id
, GLuint status
, GLuint timeout
)
123 unsigned int time
= 0;
125 #ifdef NOUVEAU_RING_DEBUG
129 while (time
<= timeout
) {
130 if (n
[NV_NOTIFY_STATE
/4] & NV_NOTIFY_STATE_ERROR_CODE_MASK
) {
131 MESSAGE("Notifier returned error: 0x%04x\n",
132 n
[NV_NOTIFY_STATE
/4] &
133 NV_NOTIFY_STATE_ERROR_CODE_MASK
);
137 if (((n
[NV_NOTIFY_STATE
/4] & NV_NOTIFY_STATE_STATUS_MASK
) >>
138 NV_NOTIFY_STATE_STATUS_SHIFT
) == status
)
147 MESSAGE("Notifier timed out\n");
152 nouveau_notifier_wait_nop(GLcontext
*ctx
,
153 struct drm_nouveau_notifier_alloc
*notifier
,
159 nouveau_notifier_reset(ctx
, notifier
, 0);
161 BEGIN_RING_SIZE(subc
, NV_NOTIFY
, 1);
162 OUT_RING (NV_NOTIFY_STYLE_WRITE_ONLY
);
163 BEGIN_RING_SIZE(subc
, NV_NOP
, 1);
167 ret
= nouveau_notifier_wait_status(ctx
, notifier
, 0,
168 NV_NOTIFY_STATE_STATUS_COMPLETED
,
170 if (ret
== GL_FALSE
) MESSAGE("wait on notifier failed\n");
173 GLboolean
nouveauSyncInitFuncs(GLcontext
*ctx
)
175 nouveauContextPtr nmesa
= NOUVEAU_CONTEXT(ctx
);
177 #ifdef NOUVEAU_RING_DEBUG
181 nmesa
->syncNotifier
= nouveau_notifier_new(ctx
, NvSyncNotify
, 1);
182 if (!nmesa
->syncNotifier
) {
183 MESSAGE("Failed to create channel sync notifier\n");
187 /* 0x180 is SET_DMA_NOTIFY, should be correct for all supported 3D
190 BEGIN_RING_CACHE(NvSub3D
, 0x180, 1);
191 OUT_RING_CACHE (NvSyncNotify
);
192 #ifdef ALLOW_MULTI_SUBCHANNEL
193 BEGIN_RING_SIZE(NvSubMemFormat
,
194 NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY
, 1);
195 OUT_RING (NvSyncNotify
);