1 /*
2  * Copyright 2016 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  * Authors: Ben Skeggs <bskeggs@redhat.com>
23  */
24 #include "ctxgf100.h"
25 
26 #include <subdev/fb.h>
27 
28 /*******************************************************************************
29  * PGRAPH context implementation
30  ******************************************************************************/
31 
32 static void
gp102_grctx_generate_r408840(struct gf100_gr * gr)33 gp102_grctx_generate_r408840(struct gf100_gr *gr)
34 {
35 	struct nvkm_device *device = gr->base.engine.subdev.device;
36 	nvkm_mask(device, 0x408840, 0x00000003, 0x00000000);
37 }
38 
39 void
gp102_grctx_generate_attrib(struct gf100_gr_chan * chan)40 gp102_grctx_generate_attrib(struct gf100_gr_chan *chan)
41 {
42 	struct gf100_gr *gr = chan->gr;
43 	const struct gf100_grctx_func *grctx = gr->func->grctx;
44 	const u32  alpha = grctx->alpha_nr;
45 	const u32 attrib = grctx->attrib_nr;
46 	const u32   gfxp = grctx->gfxp_nr;
47 	const int max_batches = 0xffff;
48 	u32 size = grctx->alpha_nr_max * gr->tpc_total;
49 	u32 ao = 0;
50 	u32 bo = ao + size;
51 	int gpc, ppc, n = 0;
52 
53 	gf100_grctx_patch_wr32(chan, 0x405830, attrib);
54 	gf100_grctx_patch_wr32(chan, 0x40585c, alpha);
55 	gf100_grctx_patch_wr32(chan, 0x4064c4, ((alpha / 4) << 16) | max_batches);
56 
57 	for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
58 		for (ppc = 0; ppc < gr->func->ppc_nr; ppc++, n++) {
59 			const u32 as =  alpha * gr->ppc_tpc_nr[gpc][ppc];
60 			const u32 bs = attrib * gr->ppc_tpc_max;
61 			const u32 gs =   gfxp * gr->ppc_tpc_max;
62 			const u32 u = 0x418ea0 + (n * 0x04);
63 			const u32 o = PPC_UNIT(gpc, ppc, 0);
64 			const u32 p = GPC_UNIT(gpc, 0xc44 + (ppc * 4));
65 
66 			if (!(gr->ppc_mask[gpc] & (1 << ppc)))
67 				continue;
68 
69 			gf100_grctx_patch_wr32(chan, o + 0xc0, gs);
70 			gf100_grctx_patch_wr32(chan, p, bs);
71 			gf100_grctx_patch_wr32(chan, o + 0xf4, bo);
72 			gf100_grctx_patch_wr32(chan, o + 0xf0, bs);
73 			bo += gs;
74 			gf100_grctx_patch_wr32(chan, o + 0xe4, as);
75 			gf100_grctx_patch_wr32(chan, o + 0xf8, ao);
76 			ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
77 			gf100_grctx_patch_wr32(chan, u, bs);
78 		}
79 	}
80 
81 	gf100_grctx_patch_wr32(chan, 0x4181e4, 0x00000100);
82 	gf100_grctx_patch_wr32(chan, 0x41befc, 0x00000100);
83 }
84 
85 u32
gp102_grctx_generate_attrib_cb_size(struct gf100_gr * gr)86 gp102_grctx_generate_attrib_cb_size(struct gf100_gr *gr)
87 {
88 	const struct gf100_grctx_func *grctx = gr->func->grctx;
89 	u32 size = grctx->alpha_nr_max * gr->tpc_total;
90 	int gpc;
91 
92 	for (gpc = 0; gpc < gr->gpc_nr; gpc++)
93 		size += grctx->gfxp_nr * gr->func->ppc_nr * gr->ppc_tpc_max;
94 
95 	return ((size * 0x20) + 127) & ~127;
96 }
97 
98 const struct gf100_grctx_func
99 gp102_grctx = {
100 	.main = gf100_grctx_generate_main,
101 	.unkn = gk104_grctx_generate_unkn,
102 	.bundle = gm107_grctx_generate_bundle,
103 	.bundle_size = 0x3000,
104 	.bundle_min_gpm_fifo_depth = 0x180,
105 	.bundle_token_limit = 0x900,
106 	.pagepool = gp100_grctx_generate_pagepool,
107 	.pagepool_size = 0x20000,
108 	.attrib_cb_size = gp102_grctx_generate_attrib_cb_size,
109 	.attrib_cb = gp100_grctx_generate_attrib_cb,
110 	.attrib = gp102_grctx_generate_attrib,
111 	.attrib_nr_max = 0x4b0,
112 	.attrib_nr = 0x320,
113 	.alpha_nr_max = 0xc00,
114 	.alpha_nr = 0x800,
115 	.gfxp_nr = 0xba8,
116 	.sm_id = gm107_grctx_generate_sm_id,
117 	.rop_mapping = gf117_grctx_generate_rop_mapping,
118 	.dist_skip_table = gm200_grctx_generate_dist_skip_table,
119 	.r406500 = gm200_grctx_generate_r406500,
120 	.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
121 	.tpc_mask = gm200_grctx_generate_tpc_mask,
122 	.smid_config = gp100_grctx_generate_smid_config,
123 	.r419a3c = gm200_grctx_generate_r419a3c,
124 	.r408840 = gp102_grctx_generate_r408840,
125 };
126