2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <subdev/bar.h>
27 #include <engine/software.h>
28 #include <engine/disp.h>
30 struct nvd0_disp_priv
{
31 struct nouveau_disp base
;
34 static struct nouveau_oclass
35 nvd0_disp_sclass
[] = {
40 nvd0_disp_intr_vblank(struct nvd0_disp_priv
*priv
, int crtc
)
42 struct nouveau_bar
*bar
= nouveau_bar(priv
);
43 struct nouveau_disp
*disp
= &priv
->base
;
44 struct nouveau_software_chan
*chan
, *temp
;
47 spin_lock_irqsave(&disp
->vblank
.lock
, flags
);
48 list_for_each_entry_safe(chan
, temp
, &disp
->vblank
.list
, vblank
.head
) {
49 if (chan
->vblank
.crtc
!= crtc
)
52 nv_wr32(priv
, 0x001718, 0x80000000 | chan
->vblank
.channel
);
54 nv_wr32(priv
, 0x06000c, upper_32_bits(chan
->vblank
.offset
));
55 nv_wr32(priv
, 0x060010, lower_32_bits(chan
->vblank
.offset
));
56 nv_wr32(priv
, 0x060014, chan
->vblank
.value
);
58 list_del(&chan
->vblank
.head
);
60 disp
->vblank
.put(disp
->vblank
.data
, crtc
);
62 spin_unlock_irqrestore(&disp
->vblank
.lock
, flags
);
64 if (disp
->vblank
.notify
)
65 disp
->vblank
.notify(disp
->vblank
.data
, crtc
);
69 nvd0_disp_intr(struct nouveau_subdev
*subdev
)
71 struct nvd0_disp_priv
*priv
= (void *)subdev
;
72 u32 intr
= nv_rd32(priv
, 0x610088);
75 for (i
= 0; i
< 4; i
++) {
76 u32 mask
= 0x01000000 << i
;
78 u32 stat
= nv_rd32(priv
, 0x6100bc + (i
* 0x800));
79 if (stat
& 0x00000001)
80 nvd0_disp_intr_vblank(priv
, i
);
81 nv_mask(priv
, 0x6100bc + (i
* 0x800), 0, 0);
82 nv_rd32(priv
, 0x6100c0 + (i
* 0x800));
88 nvd0_disp_ctor(struct nouveau_object
*parent
, struct nouveau_object
*engine
,
89 struct nouveau_oclass
*oclass
, void *data
, u32 size
,
90 struct nouveau_object
**pobject
)
92 struct nvd0_disp_priv
*priv
;
95 ret
= nouveau_disp_create(parent
, engine
, oclass
, "PDISP",
97 *pobject
= nv_object(priv
);
101 nv_engine(priv
)->sclass
= nvd0_disp_sclass
;
102 nv_subdev(priv
)->intr
= nvd0_disp_intr
;
104 INIT_LIST_HEAD(&priv
->base
.vblank
.list
);
105 spin_lock_init(&priv
->base
.vblank
.lock
);
109 struct nouveau_oclass
111 .handle
= NV_ENGINE(DISP
, 0xd0),
112 .ofuncs
= &(struct nouveau_ofuncs
) {
113 .ctor
= nvd0_disp_ctor
,
114 .dtor
= _nouveau_disp_dtor
,
115 .init
= _nouveau_disp_init
,
116 .fini
= _nouveau_disp_fini
,
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