1 /*
2  * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 #include "ctxgf100.h"
23 
24 static void
25 gm20b_grctx_generate_r406028(struct gf100_gr *gr)
26 {
27 	struct nvkm_device *device = gr->base.engine.subdev.device;
28 	u32 tpc_per_gpc = 0;
29 	int i;
30 
31 	for (i = 0; i < gr->gpc_nr; i++)
32 		tpc_per_gpc |= gr->tpc_nr[i] << (4 * i);
33 
34 	nvkm_wr32(device, 0x406028, tpc_per_gpc);
35 	nvkm_wr32(device, 0x405870, tpc_per_gpc);
36 }
37 
38 static void
39 gm20b_grctx_generate_main(struct gf100_gr *gr, struct gf100_grctx *info)
40 {
41 	struct nvkm_device *device = gr->base.engine.subdev.device;
42 	const struct gf100_grctx_func *grctx = gr->func->grctx;
43 	u32 idle_timeout;
44 	int i, tmp;
45 
46 	gf100_gr_mmio(gr, gr->fuc_sw_ctx);
47 
48 	gf100_gr_wait_idle(gr);
49 
50 	idle_timeout = nvkm_mask(device, 0x404154, 0xffffffff, 0x00000000);
51 
52 	grctx->attrib(info);
53 
54 	grctx->unkn(gr);
55 
56 	gm200_grctx_generate_tpcid(gr);
57 	gm20b_grctx_generate_r406028(gr);
58 	gk104_grctx_generate_r418bb8(gr);
59 
60 	for (i = 0; i < 8; i++)
61 		nvkm_wr32(device, 0x4064d0 + (i * 0x04), 0x00000000);
62 
63 	nvkm_wr32(device, 0x405b00, (gr->tpc_total << 8) | gr->gpc_nr);
64 
65 	nvkm_wr32(device, 0x408908, nvkm_rd32(device, 0x410108) | 0x80000000);
66 
67 	for (tmp = 0, i = 0; i < gr->gpc_nr; i++)
68 		tmp |= ((1 << gr->tpc_nr[i]) - 1) << (i * 4);
69 	nvkm_wr32(device, 0x4041c4, tmp);
70 
71 	gm200_grctx_generate_405b60(gr);
72 
73 	gf100_gr_wait_idle(gr);
74 
75 	nvkm_wr32(device, 0x404154, idle_timeout);
76 	gf100_gr_wait_idle(gr);
77 
78 	gf100_gr_mthd(gr, gr->fuc_method);
79 	gf100_gr_wait_idle(gr);
80 
81 	gf100_gr_icmd(gr, gr->fuc_bundle);
82 	grctx->pagepool(info);
83 	grctx->bundle(info);
84 }
85 
86 const struct gf100_grctx_func
87 gm20b_grctx = {
88 	.main  = gm20b_grctx_generate_main,
89 	.unkn  = gk104_grctx_generate_unkn,
90 	.bundle = gm107_grctx_generate_bundle,
91 	.bundle_size = 0x1800,
92 	.bundle_min_gpm_fifo_depth = 0x182,
93 	.bundle_token_limit = 0x1c0,
94 	.pagepool = gm107_grctx_generate_pagepool,
95 	.pagepool_size = 0x8000,
96 	.attrib = gm107_grctx_generate_attrib,
97 	.attrib_nr_max = 0x600,
98 	.attrib_nr = 0x400,
99 	.alpha_nr_max = 0xc00,
100 	.alpha_nr = 0x800,
101 };
102