1 /*
2 * Copyright (c) 2019 NVIDIA Corporation.
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: Thierry Reding
23 */
24
25 #include "priv.h"
26
27 static void
gp10b_ltc_init(struct nvkm_ltc * ltc)28 gp10b_ltc_init(struct nvkm_ltc *ltc)
29 {
30 struct nvkm_device *device = ltc->subdev.device;
31 struct iommu_fwspec *spec;
32
33 nvkm_wr32(device, 0x17e27c, ltc->ltc_nr);
34 nvkm_wr32(device, 0x17e000, ltc->ltc_nr);
35 nvkm_wr32(device, 0x100800, ltc->ltc_nr);
36
37 spec = dev_iommu_fwspec_get(device->dev);
38 if (spec) {
39 u32 sid = spec->ids[0] & 0xffff;
40
41 /* stream ID */
42 nvkm_wr32(device, 0x160000, sid << 2);
43 }
44 }
45
46 static const struct nvkm_ltc_func
47 gp10b_ltc = {
48 .oneinit = gp100_ltc_oneinit,
49 .init = gp10b_ltc_init,
50 .intr = gp100_ltc_intr,
51 .cbc_clear = gm107_ltc_cbc_clear,
52 .cbc_wait = gm107_ltc_cbc_wait,
53 .zbc = 16,
54 .zbc_clear_color = gm107_ltc_zbc_clear_color,
55 .zbc_clear_depth = gm107_ltc_zbc_clear_depth,
56 .zbc_clear_stencil = gp102_ltc_zbc_clear_stencil,
57 .invalidate = gf100_ltc_invalidate,
58 .flush = gf100_ltc_flush,
59 };
60
61 int
gp10b_ltc_new(struct nvkm_device * device,int index,struct nvkm_ltc ** pltc)62 gp10b_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
63 {
64 return nvkm_ltc_new_(&gp10b_ltc, device, index, pltc);
65 }
66
