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
 32static void
 33gp102_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
 39void
 40gp102_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
 85u32
 86gp102_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
 98const struct gf100_grctx_func
 99gp102_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};