1 /* $NetBSD: nouveau_nvkm_engine_gr_ctxgp102.c,v 1.2 2021/12/18 23:45:36 riastradh Exp $ */
2
3 /*
4 * Copyright 2016 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 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_gr_ctxgp102.c,v 1.2 2021/12/18 23:45:36 riastradh Exp $");
28
29 #include "ctxgf100.h"
30
31 #include <subdev/fb.h>
32
33 /*******************************************************************************
34 * PGRAPH context implementation
35 ******************************************************************************/
36
37 static void
gp102_grctx_generate_r408840(struct gf100_gr * gr)38 gp102_grctx_generate_r408840(struct gf100_gr *gr)
39 {
40 struct nvkm_device *device = gr->base.engine.subdev.device;
41 nvkm_mask(device, 0x408840, 0x00000003, 0x00000000);
42 }
43
44 void
gp102_grctx_generate_attrib(struct gf100_grctx * info)45 gp102_grctx_generate_attrib(struct gf100_grctx *info)
46 {
47 struct gf100_gr *gr = info->gr;
48 const struct gf100_grctx_func *grctx = gr->func->grctx;
49 const u32 alpha = grctx->alpha_nr;
50 const u32 attrib = grctx->attrib_nr;
51 const u32 gfxp = grctx->gfxp_nr;
52 const int s = 12;
53 const int max_batches = 0xffff;
54 u32 size = grctx->alpha_nr_max * gr->tpc_total;
55 u32 ao = 0;
56 u32 bo = ao + size;
57 int gpc, ppc, b, n = 0;
58
59 for (gpc = 0; gpc < gr->gpc_nr; gpc++)
60 size += grctx->gfxp_nr * gr->ppc_nr[gpc] * gr->ppc_tpc_max;
61 size = ((size * 0x20) + 128) & ~127;
62 b = mmio_vram(info, size, (1 << s), false);
63
64 mmio_refn(info, 0x418810, 0x80000000, s, b);
65 mmio_refn(info, 0x419848, 0x10000000, s, b);
66 mmio_refn(info, 0x419c2c, 0x10000000, s, b);
67 mmio_refn(info, 0x419b00, 0x00000000, s, b);
68 mmio_wr32(info, 0x419b04, 0x80000000 | size >> 7);
69 mmio_wr32(info, 0x405830, attrib);
70 mmio_wr32(info, 0x40585c, alpha);
71 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches);
72
73 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
74 for (ppc = 0; ppc < gr->ppc_nr[gpc]; ppc++, n++) {
75 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc];
76 const u32 bs = attrib * gr->ppc_tpc_max;
77 const u32 gs = gfxp * gr->ppc_tpc_max;
78 const u32 u = 0x418ea0 + (n * 0x04);
79 const u32 o = PPC_UNIT(gpc, ppc, 0);
80 const u32 p = GPC_UNIT(gpc, 0xc44 + (ppc * 4));
81 if (!(gr->ppc_mask[gpc] & (1 << ppc)))
82 continue;
83 mmio_wr32(info, o + 0xc0, gs);
84 mmio_wr32(info, p, bs);
85 mmio_wr32(info, o + 0xf4, bo);
86 mmio_wr32(info, o + 0xf0, bs);
87 bo += gs;
88 mmio_wr32(info, o + 0xe4, as);
89 mmio_wr32(info, o + 0xf8, ao);
90 ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
91 mmio_wr32(info, u, bs);
92 }
93 }
94
95 mmio_wr32(info, 0x4181e4, 0x00000100);
96 mmio_wr32(info, 0x41befc, 0x00000100);
97 }
98
99 const struct gf100_grctx_func
100 gp102_grctx = {
101 .main = gf100_grctx_generate_main,
102 .unkn = gk104_grctx_generate_unkn,
103 .bundle = gm107_grctx_generate_bundle,
104 .bundle_size = 0x3000,
105 .bundle_min_gpm_fifo_depth = 0x180,
106 .bundle_token_limit = 0x900,
107 .pagepool = gp100_grctx_generate_pagepool,
108 .pagepool_size = 0x20000,
109 .attrib = gp102_grctx_generate_attrib,
110 .attrib_nr_max = 0x4b0,
111 .attrib_nr = 0x320,
112 .alpha_nr_max = 0xc00,
113 .alpha_nr = 0x800,
114 .gfxp_nr = 0xba8,
115 .sm_id = gm107_grctx_generate_sm_id,
116 .rop_mapping = gf117_grctx_generate_rop_mapping,
117 .dist_skip_table = gm200_grctx_generate_dist_skip_table,
118 .r406500 = gm200_grctx_generate_r406500,
119 .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
120 .tpc_mask = gm200_grctx_generate_tpc_mask,
121 .smid_config = gp100_grctx_generate_smid_config,
122 .r419a3c = gm200_grctx_generate_r419a3c,
123 .r408840 = gp102_grctx_generate_r408840,
124 };
125