xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gm107.c (revision d0034a7a4ac7fae708146ac0059b9c47a1543f0d)
1 /*
2  * Copyright 2017 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 #include "gf100.h"
23 
24 #include <subdev/timer.h>
25 
26 void
gm107_bar_bar1_wait(struct nvkm_bar * bar)27 gm107_bar_bar1_wait(struct nvkm_bar *bar)
28 {
29 	struct nvkm_device *device = bar->subdev.device;
30 	nvkm_msec(device, 2000,
31 		if (!(nvkm_rd32(device, 0x001710) & 0x00000003))
32 			break;
33 	);
34 }
35 
36 static void
gm107_bar_bar2_wait(struct nvkm_bar * bar)37 gm107_bar_bar2_wait(struct nvkm_bar *bar)
38 {
39 	struct nvkm_device *device = bar->subdev.device;
40 	nvkm_msec(device, 2000,
41 		if (!(nvkm_rd32(device, 0x001710) & 0x0000000c))
42 			break;
43 	);
44 }
45 
46 static const struct nvkm_bar_func
47 gm107_bar_func = {
48 	.dtor = gf100_bar_dtor,
49 	.oneinit = gf100_bar_oneinit,
50 	.bar1.init = gf100_bar_bar1_init,
51 	.bar1.fini = gf100_bar_bar1_fini,
52 	.bar1.wait = gm107_bar_bar1_wait,
53 	.bar1.vmm = gf100_bar_bar1_vmm,
54 	.bar2.init = gf100_bar_bar2_init,
55 	.bar2.fini = gf100_bar_bar2_fini,
56 	.bar2.wait = gm107_bar_bar2_wait,
57 	.bar2.vmm = gf100_bar_bar2_vmm,
58 	.flush = g84_bar_flush,
59 };
60 
61 int
gm107_bar_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_bar ** pbar)62 gm107_bar_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
63 	      struct nvkm_bar **pbar)
64 {
65 	return gf100_bar_new_(&gm107_bar_func, device, type, inst, pbar);
66 }
67