diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c new file mode 100644 index 00000000000..13f30428a30 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/cipher/g84.c @@ -0,0 +1,184 @@ +/* + * 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/cipher.h> +#include <engine/fifo.h> + +#include <core/client.h> +#include <core/engctx.h> +#include <core/enum.h> + +struct g84_cipher_priv { + struct nvkm_engine base; +}; + +/******************************************************************************* + * Crypt object classes + ******************************************************************************/ + +static int +g84_cipher_object_ctor(struct nvkm_object *parent, + struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct nvkm_gpuobj *obj; + int ret; + + ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent, + 16, 16, 0, &obj); + *pobject = nv_object(obj); + if (ret) + return ret; + + nv_wo32(obj, 0x00, nv_mclass(obj)); + nv_wo32(obj, 0x04, 0x00000000); + nv_wo32(obj, 0x08, 0x00000000); + nv_wo32(obj, 0x0c, 0x00000000); + return 0; +} + +static struct nvkm_ofuncs +g84_cipher_ofuncs = { + .ctor = g84_cipher_object_ctor, + .dtor = _nvkm_gpuobj_dtor, + .init = _nvkm_gpuobj_init, + .fini = _nvkm_gpuobj_fini, + .rd32 = _nvkm_gpuobj_rd32, + .wr32 = _nvkm_gpuobj_wr32, +}; + +static struct nvkm_oclass +g84_cipher_sclass[] = { + { 0x74c1, &g84_cipher_ofuncs }, + {} +}; + +/******************************************************************************* + * PCIPHER context + ******************************************************************************/ + +static struct nvkm_oclass +g84_cipher_cclass = { + .handle = NV_ENGCTX(CIPHER, 0x84), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = _nvkm_engctx_ctor, + .dtor = _nvkm_engctx_dtor, + .init = _nvkm_engctx_init, + .fini = _nvkm_engctx_fini, + .rd32 = _nvkm_engctx_rd32, + .wr32 = _nvkm_engctx_wr32, + }, +}; + +/******************************************************************************* + * PCIPHER engine/subdev functions + ******************************************************************************/ + +static const struct nvkm_bitfield +g84_cipher_intr_mask[] = { + { 0x00000001, "INVALID_STATE" }, + { 0x00000002, "ILLEGAL_MTHD" }, + { 0x00000004, "ILLEGAL_CLASS" }, + { 0x00000080, "QUERY" }, + { 0x00000100, "FAULT" }, + {} +}; + +static void +g84_cipher_intr(struct nvkm_subdev *subdev) +{ + struct nvkm_fifo *pfifo = nvkm_fifo(subdev); + struct nvkm_engine *engine = nv_engine(subdev); + struct nvkm_object *engctx; + struct g84_cipher_priv *priv = (void *)subdev; + u32 stat = nv_rd32(priv, 0x102130); + u32 mthd = nv_rd32(priv, 0x102190); + u32 data = nv_rd32(priv, 0x102194); + u32 inst = nv_rd32(priv, 0x102188) & 0x7fffffff; + int chid; + + engctx = nvkm_engctx_get(engine, inst); + chid = pfifo->chid(pfifo, engctx); + + if (stat) { + nv_error(priv, "%s", ""); + nvkm_bitfield_print(g84_cipher_intr_mask, stat); + pr_cont(" ch %d [0x%010llx %s] mthd 0x%04x data 0x%08x\n", + chid, (u64)inst << 12, nvkm_client_name(engctx), + mthd, data); + } + + nv_wr32(priv, 0x102130, stat); + nv_wr32(priv, 0x10200c, 0x10); + + nvkm_engctx_put(engctx); +} + +static int +g84_cipher_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct g84_cipher_priv *priv; + int ret; + + ret = nvkm_engine_create(parent, engine, oclass, true, + "PCIPHER", "cipher", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00004000; + nv_subdev(priv)->intr = g84_cipher_intr; + nv_engine(priv)->cclass = &g84_cipher_cclass; + nv_engine(priv)->sclass = g84_cipher_sclass; + return 0; +} + +static int +g84_cipher_init(struct nvkm_object *object) +{ + struct g84_cipher_priv *priv = (void *)object; + int ret; + + ret = nvkm_engine_init(&priv->base); + if (ret) + return ret; + + nv_wr32(priv, 0x102130, 0xffffffff); + nv_wr32(priv, 0x102140, 0xffffffbf); + nv_wr32(priv, 0x10200c, 0x00000010); + return 0; +} + +struct nvkm_oclass +g84_cipher_oclass = { + .handle = NV_ENGINE(CIPHER, 0x84), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = g84_cipher_ctor, + .dtor = _nvkm_engine_dtor, + .init = g84_cipher_init, + .fini = _nvkm_engine_fini, + }, +}; |