diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c b/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c new file mode 100644 index 000000000000..9d5c1b8b1f8c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec/g98.c @@ -0,0 +1,149 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include <engine/sec.h> +#include <engine/falcon.h> +#include "fuc/g98.fuc0s.h" + +#include <core/client.h> +#include <core/enum.h> +#include <engine/fifo.h> + +struct g98_sec_priv { + struct nvkm_falcon base; +}; + +/******************************************************************************* + * Crypt object classes + ******************************************************************************/ + +static struct nvkm_oclass +g98_sec_sclass[] = { + { 0x88b4, &nvkm_object_ofuncs }, + {}, +}; + +/******************************************************************************* + * PSEC context + ******************************************************************************/ + +static struct nvkm_oclass +g98_sec_cclass = { + .handle = NV_ENGCTX(SEC, 0x98), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = _nvkm_falcon_context_ctor, + .dtor = _nvkm_falcon_context_dtor, + .init = _nvkm_falcon_context_init, + .fini = _nvkm_falcon_context_fini, + .rd32 = _nvkm_falcon_context_rd32, + .wr32 = _nvkm_falcon_context_wr32, + }, +}; + +/******************************************************************************* + * PSEC engine/subdev functions + ******************************************************************************/ + +static const struct nvkm_enum g98_sec_isr_error_name[] = { + { 0x0000, "ILLEGAL_MTHD" }, + { 0x0001, "INVALID_BITFIELD" }, + { 0x0002, "INVALID_ENUM" }, + { 0x0003, "QUERY" }, + {} +}; + +static void +g98_sec_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_fifo *pfifo = nvkm_fifo(subdev); + struct nvkm_engine *engine = nv_engine(subdev); + struct nvkm_object *engctx; + struct g98_sec_priv *priv = (void *)subdev; + u32 disp = nv_rd32(priv, 0x08701c); + u32 stat = nv_rd32(priv, 0x087008) & disp & ~(disp >> 16); + u32 inst = nv_rd32(priv, 0x087050) & 0x3fffffff; + u32 ssta = nv_rd32(priv, 0x087040) & 0x0000ffff; + u32 addr = nv_rd32(priv, 0x087040) >> 16; + u32 mthd = (addr & 0x07ff) << 2; + u32 subc = (addr & 0x3800) >> 11; + u32 data = nv_rd32(priv, 0x087044); + int chid; + + engctx = nvkm_engctx_get(engine, inst); + chid = pfifo->chid(pfifo, engctx); + + if (stat & 0x00000040) { + nv_error(priv, "DISPATCH_ERROR ["); + nvkm_enum_print(g98_sec_isr_error_name, ssta); + pr_cont("] ch %d [0x%010llx %s] subc %d mthd 0x%04x data 0x%08x\n", + chid, (u64)inst << 12, nvkm_client_name(engctx), + subc, mthd, data); + nv_wr32(priv, 0x087004, 0x00000040); + stat &= ~0x00000040; + } + + if (stat) { + nv_error(priv, "unhandled intr 0x%08x\n", stat); + nv_wr32(priv, 0x087004, stat); + } + + nvkm_engctx_put(engctx); +} + +static int +g98_sec_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct g98_sec_priv *priv; + int ret; + + ret = nvkm_falcon_create(parent, engine, oclass, 0x087000, true, + "PSEC", "sec", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00004000; + nv_subdev(priv)->intr = g98_sec_intr; + nv_engine(priv)->cclass = &g98_sec_cclass; + nv_engine(priv)->sclass = g98_sec_sclass; + nv_falcon(priv)->code.data = g98_psec_code; + nv_falcon(priv)->code.size = sizeof(g98_psec_code); + nv_falcon(priv)->data.data = g98_psec_data; + nv_falcon(priv)->data.size = sizeof(g98_psec_data); + return 0; +} + +struct nvkm_oclass +g98_sec_oclass = { + .handle = NV_ENGINE(SEC, 0x98), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = g98_sec_ctor, + .dtor = _nvkm_falcon_dtor, + .init = _nvkm_falcon_init, + .fini = _nvkm_falcon_fini, + .rd32 = _nvkm_falcon_rd32, + .wr32 = _nvkm_falcon_wr32, + }, +}; |