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
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
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
62 gm107_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar)
63 {
64 return gf100_bar_new_(&gm107_bar_func, device, index, pbar);
65 }