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 "gf100.h" 25 #include "ctxgf100.h" 26 27 #include <nvif/class.h> 28 29 /******************************************************************************* 30 * PGRAPH engine/subdev functions 31 ******************************************************************************/ 32 33 void 34 gp100_gr_init_rop_active_fbps(struct gf100_gr *gr) 35 { 36 struct nvkm_device *device = gr->base.engine.subdev.device; 37 /*XXX: otherwise identical to gm200 aside from mask.. do everywhere? */ 38 const u32 fbp_count = nvkm_rd32(device, 0x12006c) & 0x0000000f; 39 nvkm_mask(device, 0x408850, 0x0000000f, fbp_count); /* zrop */ 40 nvkm_mask(device, 0x408958, 0x0000000f, fbp_count); /* crop */ 41 } 42 43 void 44 gp100_gr_init_num_active_ltcs(struct gf100_gr *gr) 45 { 46 struct nvkm_device *device = gr->base.engine.subdev.device; 47 48 nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800)); 49 nvkm_wr32(device, GPC_BCAST(0x033c), nvkm_rd32(device, 0x100804)); 50 } 51 52 int 53 gp100_gr_init(struct gf100_gr *gr) 54 { 55 struct nvkm_device *device = gr->base.engine.subdev.device; 56 const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total); 57 u32 data[TPC_MAX / 8] = {}; 58 u8 tpcnr[GPC_MAX]; 59 int gpc, tpc, rop; 60 int i; 61 62 gr->func->init_gpc_mmu(gr); 63 64 gf100_gr_mmio(gr, gr->fuc_sw_nonctx); 65 66 nvkm_wr32(device, GPC_UNIT(0, 0x3018), 0x00000001); 67 68 memset(data, 0x00, sizeof(data)); 69 memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr)); 70 for (i = 0, gpc = -1; i < gr->tpc_total; i++) { 71 do { 72 gpc = (gpc + 1) % gr->gpc_nr; 73 } while (!tpcnr[gpc]); 74 tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--; 75 76 data[i / 8] |= tpc << ((i % 8) * 4); 77 } 78 79 nvkm_wr32(device, GPC_BCAST(0x0980), data[0]); 80 nvkm_wr32(device, GPC_BCAST(0x0984), data[1]); 81 nvkm_wr32(device, GPC_BCAST(0x0988), data[2]); 82 nvkm_wr32(device, GPC_BCAST(0x098c), data[3]); 83 84 for (gpc = 0; gpc < gr->gpc_nr; gpc++) { 85 nvkm_wr32(device, GPC_UNIT(gpc, 0x0914), 86 gr->screen_tile_row_offset << 8 | gr->tpc_nr[gpc]); 87 nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 | 88 gr->tpc_total); 89 nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918); 90 } 91 92 nvkm_wr32(device, GPC_BCAST(0x3fd4), magicgpc918); 93 gr->func->init_num_active_ltcs(gr); 94 95 gr->func->init_rop_active_fbps(gr); 96 if (gr->func->init_swdx_pes_mask) 97 gr->func->init_swdx_pes_mask(gr); 98 99 nvkm_wr32(device, 0x400500, 0x00010001); 100 nvkm_wr32(device, 0x400100, 0xffffffff); 101 nvkm_wr32(device, 0x40013c, 0xffffffff); 102 nvkm_wr32(device, 0x400124, 0x00000002); 103 nvkm_wr32(device, 0x409c24, 0x000f0002); 104 nvkm_wr32(device, 0x405848, 0xc0000000); 105 nvkm_mask(device, 0x40584c, 0x00000000, 0x00000001); 106 nvkm_wr32(device, 0x404000, 0xc0000000); 107 nvkm_wr32(device, 0x404600, 0xc0000000); 108 nvkm_wr32(device, 0x408030, 0xc0000000); 109 nvkm_wr32(device, 0x404490, 0xc0000000); 110 nvkm_wr32(device, 0x406018, 0xc0000000); 111 nvkm_wr32(device, 0x407020, 0x40000000); 112 nvkm_wr32(device, 0x405840, 0xc0000000); 113 nvkm_wr32(device, 0x405844, 0x00ffffff); 114 nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008); 115 116 nvkm_mask(device, 0x419c9c, 0x00010000, 0x00010000); 117 nvkm_mask(device, 0x419c9c, 0x00020000, 0x00020000); 118 119 gr->func->init_ppc_exceptions(gr); 120 121 for (gpc = 0; gpc < gr->gpc_nr; gpc++) { 122 nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000); 123 nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000); 124 nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000); 125 nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000); 126 for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) { 127 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff); 128 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff); 129 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000); 130 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000); 131 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000); 132 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x430), 0xc0000000); 133 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x00dffffe); 134 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x00000105); 135 } 136 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff); 137 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff); 138 } 139 140 for (rop = 0; rop < gr->rop_nr; rop++) { 141 nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0x40000000); 142 nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0x40000000); 143 nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff); 144 nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff); 145 } 146 147 nvkm_wr32(device, 0x400108, 0xffffffff); 148 nvkm_wr32(device, 0x400138, 0xffffffff); 149 nvkm_wr32(device, 0x400118, 0xffffffff); 150 nvkm_wr32(device, 0x400130, 0xffffffff); 151 nvkm_wr32(device, 0x40011c, 0xffffffff); 152 nvkm_wr32(device, 0x400134, 0xffffffff); 153 154 gf100_gr_zbc_init(gr); 155 156 return gf100_gr_init_ctxctl(gr); 157 } 158 159 static const struct gf100_gr_func 160 gp100_gr = { 161 .init = gp100_gr_init, 162 .init_gpc_mmu = gm200_gr_init_gpc_mmu, 163 .init_rop_active_fbps = gp100_gr_init_rop_active_fbps, 164 .init_ppc_exceptions = gk104_gr_init_ppc_exceptions, 165 .init_num_active_ltcs = gp100_gr_init_num_active_ltcs, 166 .rops = gm200_gr_rops, 167 .ppc_nr = 2, 168 .grctx = &gp100_grctx, 169 .sclass = { 170 { -1, -1, FERMI_TWOD_A }, 171 { -1, -1, KEPLER_INLINE_TO_MEMORY_B }, 172 { -1, -1, PASCAL_A, &gf100_fermi }, 173 { -1, -1, PASCAL_COMPUTE_A }, 174 {} 175 } 176 }; 177 178 int 179 gp100_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr) 180 { 181 return gm200_gr_new_(&gp100_gr, device, index, pgr); 182 } 183