1 /* $NetBSD: nouveau_nvkm_subdev_bar_gm107.c,v 1.2 2021/12/18 23:45:38 riastradh Exp $ */
2
3 /*
4 * Copyright 2017 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_bar_gm107.c,v 1.2 2021/12/18 23:45:38 riastradh Exp $");
26
27 #include "gf100.h"
28
29 #include <subdev/timer.h>
30
31 void
gm107_bar_bar1_wait(struct nvkm_bar * bar)32 gm107_bar_bar1_wait(struct nvkm_bar *bar)
33 {
34 struct nvkm_device *device = bar->subdev.device;
35 nvkm_msec(device, 2000,
36 if (!(nvkm_rd32(device, 0x001710) & 0x00000003))
37 break;
38 );
39 }
40
41 static void
gm107_bar_bar2_wait(struct nvkm_bar * bar)42 gm107_bar_bar2_wait(struct nvkm_bar *bar)
43 {
44 struct nvkm_device *device = bar->subdev.device;
45 nvkm_msec(device, 2000,
46 if (!(nvkm_rd32(device, 0x001710) & 0x0000000c))
47 break;
48 );
49 }
50
51 static const struct nvkm_bar_func
52 gm107_bar_func = {
53 .dtor = gf100_bar_dtor,
54 .oneinit = gf100_bar_oneinit,
55 .bar1.init = gf100_bar_bar1_init,
56 .bar1.fini = gf100_bar_bar1_fini,
57 .bar1.wait = gm107_bar_bar1_wait,
58 .bar1.vmm = gf100_bar_bar1_vmm,
59 .bar2.init = gf100_bar_bar2_init,
60 .bar2.fini = gf100_bar_bar2_fini,
61 .bar2.wait = gm107_bar_bar2_wait,
62 .bar2.vmm = gf100_bar_bar2_vmm,
63 .flush = g84_bar_flush,
64 };
65
66 int
gm107_bar_new(struct nvkm_device * device,int index,struct nvkm_bar ** pbar)67 gm107_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
68 {
69 return gf100_bar_new_(&gm107_bar_func, device, index, pbar);
70 }
71