1/* $NetBSD: nouveau_nvkm_engine_gr_ctxgp100.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_ctxgp100.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 37void 38gp100_grctx_generate_pagepool(struct gf100_grctx *info) 39{ 40 const struct gf100_grctx_func *grctx = info->gr->func->grctx; 41 const int s = 8; 42 const int b = mmio_vram(info, grctx->pagepool_size, (1 << s), true); 43 mmio_refn(info, 0x40800c, 0x00000000, s, b); 44 mmio_wr32(info, 0x408010, 0x8007d800); 45 mmio_refn(info, 0x419004, 0x00000000, s, b); 46 mmio_wr32(info, 0x419008, 0x00000000); 47} 48 49static void 50gp100_grctx_generate_attrib(struct gf100_grctx *info) 51{ 52 struct gf100_gr *gr = info->gr; 53 const struct gf100_grctx_func *grctx = gr->func->grctx; 54 const u32 alpha = grctx->alpha_nr; 55 const u32 attrib = grctx->attrib_nr; 56 const int s = 12; 57 const int max_batches = 0xffff; 58 u32 size = grctx->alpha_nr_max * gr->tpc_total; 59 u32 ao = 0; 60 u32 bo = ao + size; 61 int gpc, ppc, b, n = 0; 62 63 for (gpc = 0; gpc < gr->gpc_nr; gpc++) 64 size += grctx->attrib_nr_max * gr->ppc_nr[gpc] * gr->ppc_tpc_max; 65 size = ((size * 0x20) + 128) & ~127; 66 b = mmio_vram(info, size, (1 << s), false); 67 68 mmio_refn(info, 0x418810, 0x80000000, s, b); 69 mmio_refn(info, 0x419848, 0x10000000, s, b); 70 mmio_refn(info, 0x419c2c, 0x10000000, s, b); 71 mmio_refn(info, 0x419b00, 0x00000000, s, b); 72 mmio_wr32(info, 0x419b04, 0x80000000 | size >> 7); 73 mmio_wr32(info, 0x405830, attrib); 74 mmio_wr32(info, 0x40585c, alpha); 75 mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches); 76 77 for (gpc = 0; gpc < gr->gpc_nr; gpc++) { 78 for (ppc = 0; ppc < gr->ppc_nr[gpc]; ppc++, n++) { 79 const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc]; 80 const u32 bs = attrib * gr->ppc_tpc_max; 81 const u32 u = 0x418ea0 + (n * 0x04); 82 const u32 o = PPC_UNIT(gpc, ppc, 0); 83 if (!(gr->ppc_mask[gpc] & (1 << ppc))) 84 continue; 85 mmio_wr32(info, o + 0xc0, bs); 86 mmio_wr32(info, o + 0xf4, bo); 87 mmio_wr32(info, o + 0xf0, bs); 88 bo += grctx->attrib_nr_max * gr->ppc_tpc_max; 89 mmio_wr32(info, o + 0xe4, as); 90 mmio_wr32(info, o + 0xf8, ao); 91 ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc]; 92 mmio_wr32(info, u, bs); 93 } 94 } 95 96 mmio_wr32(info, 0x418eec, 0x00000000); 97 mmio_wr32(info, 0x41befc, 0x00000000); 98} 99 100void 101gp100_grctx_generate_smid_config(struct gf100_gr *gr) 102{ 103 struct nvkm_device *device = gr->base.engine.subdev.device; 104 const u32 dist_nr = DIV_ROUND_UP(gr->tpc_total, 4); 105 u32 dist[TPC_MAX / 4] = {}, gpcs[16] = {}; 106 u8 sm, i; 107 108 for (sm = 0; sm < gr->sm_nr; sm++) { 109 const u8 gpc = gr->sm[sm].gpc; 110 const u8 tpc = gr->sm[sm].tpc; 111 dist[sm / 4] |= ((gpc << 4) | tpc) << ((sm % 4) * 8); 112 gpcs[gpc + (gr->func->gpc_nr * (tpc / 4))] |= sm << ((tpc % 4) * 8); 113 } 114 115 for (i = 0; i < dist_nr; i++) 116 nvkm_wr32(device, 0x405b60 + (i * 4), dist[i]); 117 for (i = 0; i < ARRAY_SIZE(gpcs); i++) 118 nvkm_wr32(device, 0x405ba0 + (i * 4), gpcs[i]); 119} 120 121const struct gf100_grctx_func 122gp100_grctx = { 123 .main = gf100_grctx_generate_main, 124 .unkn = gk104_grctx_generate_unkn, 125 .bundle = gm107_grctx_generate_bundle, 126 .bundle_size = 0x3000, 127 .bundle_min_gpm_fifo_depth = 0x180, 128 .bundle_token_limit = 0x1080, 129 .pagepool = gp100_grctx_generate_pagepool, 130 .pagepool_size = 0x20000, 131 .attrib = gp100_grctx_generate_attrib, 132 .attrib_nr_max = 0x660, 133 .attrib_nr = 0x440, 134 .alpha_nr_max = 0xc00, 135 .alpha_nr = 0x800, 136 .sm_id = gm107_grctx_generate_sm_id, 137 .rop_mapping = gf117_grctx_generate_rop_mapping, 138 .dist_skip_table = gm200_grctx_generate_dist_skip_table, 139 .r406500 = gm200_grctx_generate_r406500, 140 .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr, 141 .tpc_mask = gm200_grctx_generate_tpc_mask, 142 .smid_config = gp100_grctx_generate_smid_config, 143 .r419a3c = gm200_grctx_generate_r419a3c, 144}; 145