125a64025SBen Skeggs /* 225a64025SBen Skeggs * Copyright 2012 Red Hat Inc. 325a64025SBen Skeggs * 425a64025SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 525a64025SBen Skeggs * copy of this software and associated documentation files (the "Software"), 625a64025SBen Skeggs * to deal in the Software without restriction, including without limitation 725a64025SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 825a64025SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 925a64025SBen Skeggs * Software is furnished to do so, subject to the following conditions: 1025a64025SBen Skeggs * 1125a64025SBen Skeggs * The above copyright notice and this permission notice shall be included in 1225a64025SBen Skeggs * all copies or substantial portions of the Software. 1325a64025SBen Skeggs * 1425a64025SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1525a64025SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1625a64025SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 1725a64025SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 1825a64025SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 1925a64025SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 2025a64025SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 2125a64025SBen Skeggs * 2225a64025SBen Skeggs * Authors: Ben Skeggs 2325a64025SBen Skeggs */ 2425a64025SBen Skeggs #include <engine/sec.h> 2525a64025SBen Skeggs #include <engine/falcon.h> 2625a64025SBen Skeggs #include "fuc/g98.fuc0s.h" 2725a64025SBen Skeggs 2825a64025SBen Skeggs #include <core/client.h> 2925a64025SBen Skeggs #include <core/enum.h> 3025a64025SBen Skeggs #include <engine/fifo.h> 3125a64025SBen Skeggs 3225a64025SBen Skeggs struct g98_sec_priv { 3325a64025SBen Skeggs struct nvkm_falcon base; 3425a64025SBen Skeggs }; 3525a64025SBen Skeggs 3625a64025SBen Skeggs /******************************************************************************* 3725a64025SBen Skeggs * Crypt object classes 3825a64025SBen Skeggs ******************************************************************************/ 3925a64025SBen Skeggs 4025a64025SBen Skeggs static struct nvkm_oclass 4125a64025SBen Skeggs g98_sec_sclass[] = { 4225a64025SBen Skeggs { 0x88b4, &nvkm_object_ofuncs }, 4325a64025SBen Skeggs {}, 4425a64025SBen Skeggs }; 4525a64025SBen Skeggs 4625a64025SBen Skeggs /******************************************************************************* 4725a64025SBen Skeggs * PSEC context 4825a64025SBen Skeggs ******************************************************************************/ 4925a64025SBen Skeggs 5025a64025SBen Skeggs static struct nvkm_oclass 5125a64025SBen Skeggs g98_sec_cclass = { 5225a64025SBen Skeggs .handle = NV_ENGCTX(SEC, 0x98), 5325a64025SBen Skeggs .ofuncs = &(struct nvkm_ofuncs) { 5425a64025SBen Skeggs .ctor = _nvkm_falcon_context_ctor, 5525a64025SBen Skeggs .dtor = _nvkm_falcon_context_dtor, 5625a64025SBen Skeggs .init = _nvkm_falcon_context_init, 5725a64025SBen Skeggs .fini = _nvkm_falcon_context_fini, 5825a64025SBen Skeggs .rd32 = _nvkm_falcon_context_rd32, 5925a64025SBen Skeggs .wr32 = _nvkm_falcon_context_wr32, 6025a64025SBen Skeggs }, 6125a64025SBen Skeggs }; 6225a64025SBen Skeggs 6325a64025SBen Skeggs /******************************************************************************* 6425a64025SBen Skeggs * PSEC engine/subdev functions 6525a64025SBen Skeggs ******************************************************************************/ 6625a64025SBen Skeggs 6725a64025SBen Skeggs static const struct nvkm_enum g98_sec_isr_error_name[] = { 6825a64025SBen Skeggs { 0x0000, "ILLEGAL_MTHD" }, 6925a64025SBen Skeggs { 0x0001, "INVALID_BITFIELD" }, 7025a64025SBen Skeggs { 0x0002, "INVALID_ENUM" }, 7125a64025SBen Skeggs { 0x0003, "QUERY" }, 7225a64025SBen Skeggs {} 7325a64025SBen Skeggs }; 7425a64025SBen Skeggs 7525a64025SBen Skeggs static void 7625a64025SBen Skeggs g98_sec_intr(struct nvkm_subdev *subdev) 7725a64025SBen Skeggs { 7825a64025SBen Skeggs struct nvkm_fifo *pfifo = nvkm_fifo(subdev); 7925a64025SBen Skeggs struct nvkm_engine *engine = nv_engine(subdev); 8025a64025SBen Skeggs struct nvkm_object *engctx; 8125a64025SBen Skeggs struct g98_sec_priv *priv = (void *)subdev; 8225a64025SBen Skeggs u32 disp = nv_rd32(priv, 0x08701c); 8325a64025SBen Skeggs u32 stat = nv_rd32(priv, 0x087008) & disp & ~(disp >> 16); 8425a64025SBen Skeggs u32 inst = nv_rd32(priv, 0x087050) & 0x3fffffff; 8525a64025SBen Skeggs u32 ssta = nv_rd32(priv, 0x087040) & 0x0000ffff; 8625a64025SBen Skeggs u32 addr = nv_rd32(priv, 0x087040) >> 16; 8725a64025SBen Skeggs u32 mthd = (addr & 0x07ff) << 2; 8825a64025SBen Skeggs u32 subc = (addr & 0x3800) >> 11; 8925a64025SBen Skeggs u32 data = nv_rd32(priv, 0x087044); 9025a64025SBen Skeggs int chid; 9125a64025SBen Skeggs 9225a64025SBen Skeggs engctx = nvkm_engctx_get(engine, inst); 9325a64025SBen Skeggs chid = pfifo->chid(pfifo, engctx); 9425a64025SBen Skeggs 9525a64025SBen Skeggs if (stat & 0x00000040) { 9625a64025SBen Skeggs nv_error(priv, "DISPATCH_ERROR ["); 9725a64025SBen Skeggs nvkm_enum_print(g98_sec_isr_error_name, ssta); 9825a64025SBen Skeggs pr_cont("] ch %d [0x%010llx %s] subc %d mthd 0x%04x data 0x%08x\n", 9925a64025SBen Skeggs chid, (u64)inst << 12, nvkm_client_name(engctx), 10025a64025SBen Skeggs subc, mthd, data); 10125a64025SBen Skeggs nv_wr32(priv, 0x087004, 0x00000040); 10225a64025SBen Skeggs stat &= ~0x00000040; 10325a64025SBen Skeggs } 10425a64025SBen Skeggs 10525a64025SBen Skeggs if (stat) { 10625a64025SBen Skeggs nv_error(priv, "unhandled intr 0x%08x\n", stat); 10725a64025SBen Skeggs nv_wr32(priv, 0x087004, stat); 10825a64025SBen Skeggs } 10925a64025SBen Skeggs 11025a64025SBen Skeggs nvkm_engctx_put(engctx); 11125a64025SBen Skeggs } 11225a64025SBen Skeggs 11325a64025SBen Skeggs static int 11425a64025SBen Skeggs g98_sec_ctor(struct nvkm_object *parent, struct nvkm_object *engine, 11525a64025SBen Skeggs struct nvkm_oclass *oclass, void *data, u32 size, 11625a64025SBen Skeggs struct nvkm_object **pobject) 11725a64025SBen Skeggs { 11825a64025SBen Skeggs struct g98_sec_priv *priv; 11925a64025SBen Skeggs int ret; 12025a64025SBen Skeggs 12125a64025SBen Skeggs ret = nvkm_falcon_create(parent, engine, oclass, 0x087000, true, 12225a64025SBen Skeggs "PSEC", "sec", &priv); 12325a64025SBen Skeggs *pobject = nv_object(priv); 12425a64025SBen Skeggs if (ret) 12525a64025SBen Skeggs return ret; 12625a64025SBen Skeggs 12725a64025SBen Skeggs nv_subdev(priv)->unit = 0x00004000; 12825a64025SBen Skeggs nv_subdev(priv)->intr = g98_sec_intr; 12925a64025SBen Skeggs nv_engine(priv)->cclass = &g98_sec_cclass; 13025a64025SBen Skeggs nv_engine(priv)->sclass = g98_sec_sclass; 13125a64025SBen Skeggs nv_falcon(priv)->code.data = g98_psec_code; 13225a64025SBen Skeggs nv_falcon(priv)->code.size = sizeof(g98_psec_code); 13325a64025SBen Skeggs nv_falcon(priv)->data.data = g98_psec_data; 13425a64025SBen Skeggs nv_falcon(priv)->data.size = sizeof(g98_psec_data); 13525a64025SBen Skeggs return 0; 13625a64025SBen Skeggs } 13725a64025SBen Skeggs 13825a64025SBen Skeggs struct nvkm_oclass 13925a64025SBen Skeggs g98_sec_oclass = { 14025a64025SBen Skeggs .handle = NV_ENGINE(SEC, 0x98), 14125a64025SBen Skeggs .ofuncs = &(struct nvkm_ofuncs) { 14225a64025SBen Skeggs .ctor = g98_sec_ctor, 14325a64025SBen Skeggs .dtor = _nvkm_falcon_dtor, 14425a64025SBen Skeggs .init = _nvkm_falcon_init, 14525a64025SBen Skeggs .fini = _nvkm_falcon_fini, 14625a64025SBen Skeggs .rd32 = _nvkm_falcon_rd32, 14725a64025SBen Skeggs .wr32 = _nvkm_falcon_wr32, 14825a64025SBen Skeggs }, 14925a64025SBen Skeggs }; 150