1 /*
2  * Copyright 2012 Red Hat Inc.
3  *
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:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
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.
21  *
22  * Authors: Ben Skeggs
23  */
24 #include "channv50.h"
25 
26 static void
gf119_disp_chan_uevent_fini(struct nvkm_event * event,int type,int index)27 gf119_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
28 {
29 	struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
30 	struct nvkm_device *device = disp->base.engine.subdev.device;
31 	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000000 << index);
32 	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
33 }
34 
35 static void
gf119_disp_chan_uevent_init(struct nvkm_event * event,int types,int index)36 gf119_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
37 {
38 	struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
39 	struct nvkm_device *device = disp->base.engine.subdev.device;
40 	nvkm_wr32(device, 0x61008c, 0x00000001 << index);
41 	nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000001 << index);
42 }
43 
44 const struct nvkm_event_func
45 gf119_disp_chan_uevent = {
46 	.ctor = nv50_disp_chan_uevent_ctor,
47 	.init = gf119_disp_chan_uevent_init,
48 	.fini = gf119_disp_chan_uevent_fini,
49 };
50 
51 void
gf119_disp_chan_intr(struct nv50_disp_chan * chan,bool en)52 gf119_disp_chan_intr(struct nv50_disp_chan *chan, bool en)
53 {
54 	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
55 	const u32 mask = 0x00000001 << chan->chid.user;
56 	if (!en) {
57 		nvkm_mask(device, 0x610090, mask, 0x00000000);
58 		nvkm_mask(device, 0x6100a0, mask, 0x00000000);
59 	} else {
60 		nvkm_mask(device, 0x6100a0, mask, mask);
61 	}
62 }
63