xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/nouveau/nouveau_chan.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: MIT */
2*4882a593Smuzhiyun #ifndef __NOUVEAU_CHAN_H__
3*4882a593Smuzhiyun #define __NOUVEAU_CHAN_H__
4*4882a593Smuzhiyun #include <nvif/object.h>
5*4882a593Smuzhiyun #include <nvif/notify.h>
6*4882a593Smuzhiyun #include <nvif/push.h>
7*4882a593Smuzhiyun struct nvif_device;
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun struct nouveau_channel {
10*4882a593Smuzhiyun 	struct {
11*4882a593Smuzhiyun 		struct nvif_push _push;
12*4882a593Smuzhiyun 		struct nvif_push *push;
13*4882a593Smuzhiyun 	} chan;
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun 	struct nvif_device *device;
16*4882a593Smuzhiyun 	struct nouveau_drm *drm;
17*4882a593Smuzhiyun 	struct nouveau_vmm *vmm;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	int chid;
20*4882a593Smuzhiyun 	u64 inst;
21*4882a593Smuzhiyun 	u32 token;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	struct nvif_object vram;
24*4882a593Smuzhiyun 	struct nvif_object gart;
25*4882a593Smuzhiyun 	struct nvif_object nvsw;
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	struct {
28*4882a593Smuzhiyun 		struct nouveau_bo *buffer;
29*4882a593Smuzhiyun 		struct nouveau_vma *vma;
30*4882a593Smuzhiyun 		struct nvif_object ctxdma;
31*4882a593Smuzhiyun 		u64 addr;
32*4882a593Smuzhiyun 	} push;
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun 	/* TODO: this will be reworked in the near future */
35*4882a593Smuzhiyun 	bool accel_done;
36*4882a593Smuzhiyun 	void *fence;
37*4882a593Smuzhiyun 	struct {
38*4882a593Smuzhiyun 		int max;
39*4882a593Smuzhiyun 		int free;
40*4882a593Smuzhiyun 		int cur;
41*4882a593Smuzhiyun 		int put;
42*4882a593Smuzhiyun 		int ib_base;
43*4882a593Smuzhiyun 		int ib_max;
44*4882a593Smuzhiyun 		int ib_free;
45*4882a593Smuzhiyun 		int ib_put;
46*4882a593Smuzhiyun 	} dma;
47*4882a593Smuzhiyun 	u32 user_get_hi;
48*4882a593Smuzhiyun 	u32 user_get;
49*4882a593Smuzhiyun 	u32 user_put;
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun 	struct nvif_object user;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 	struct nvif_notify kill;
54*4882a593Smuzhiyun 	atomic_t killed;
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun int nouveau_channels_init(struct nouveau_drm *);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun int  nouveau_channel_new(struct nouveau_drm *, struct nvif_device *,
60*4882a593Smuzhiyun 			 u32 arg0, u32 arg1, bool priv,
61*4882a593Smuzhiyun 			 struct nouveau_channel **);
62*4882a593Smuzhiyun void nouveau_channel_del(struct nouveau_channel **);
63*4882a593Smuzhiyun int  nouveau_channel_idle(struct nouveau_channel *);
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun extern int nouveau_vram_pushbuf;
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun #endif
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