diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2015-01-13 22:13:14 +1000 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2015-01-22 12:15:10 +1000 |
commit | c39f472e9f14e49a9bc091977ced0ec45fc00c57 (patch) | |
tree | 75af3291cccda2482913cc0044888a8a86f4841b /drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c | |
parent | 055a65d5987a7f246c3fc2297158286882dbdbcf (diff) | |
download | linux-c39f472e9f14e49a9bc091977ced0ec45fc00c57.tar.bz2 |
drm/nouveau: remove symlinks, move core/ to nvkm/ (no code changes)
The symlinks were annoying some people, and they're not used anywhere
else in the kernel tree. The include directory structure has been
changed so that symlinks aren't needed anymore.
NVKM has been moved from core/ to nvkm/ to make it more obvious as to
what the directory is for, and as some minor prep for when NVKM gets
split out into its own module (virt) at a later date.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c b/drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c new file mode 100644 index 000000000000..ea5c42f31791 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/crypt/nv84.c @@ -0,0 +1,188 @@ +/* + * 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 <core/client.h> +#include <core/os.h> +#include <core/enum.h> +#include <core/engctx.h> +#include <core/gpuobj.h> + +#include <subdev/fb.h> + +#include <engine/fifo.h> +#include <engine/crypt.h> + +struct nv84_crypt_priv { + struct nouveau_engine base; +}; + +/******************************************************************************* + * Crypt object classes + ******************************************************************************/ + +static int +nv84_crypt_object_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_gpuobj *obj; + int ret; + + ret = nouveau_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 nouveau_ofuncs +nv84_crypt_ofuncs = { + .ctor = nv84_crypt_object_ctor, + .dtor = _nouveau_gpuobj_dtor, + .init = _nouveau_gpuobj_init, + .fini = _nouveau_gpuobj_fini, + .rd32 = _nouveau_gpuobj_rd32, + .wr32 = _nouveau_gpuobj_wr32, +}; + +static struct nouveau_oclass +nv84_crypt_sclass[] = { + { 0x74c1, &nv84_crypt_ofuncs }, + {} +}; + +/******************************************************************************* + * PCRYPT context + ******************************************************************************/ + +static struct nouveau_oclass +nv84_crypt_cclass = { + .handle = NV_ENGCTX(CRYPT, 0x84), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_engctx_ctor, + .dtor = _nouveau_engctx_dtor, + .init = _nouveau_engctx_init, + .fini = _nouveau_engctx_fini, + .rd32 = _nouveau_engctx_rd32, + .wr32 = _nouveau_engctx_wr32, + }, +}; + +/******************************************************************************* + * PCRYPT engine/subdev functions + ******************************************************************************/ + +static const struct nouveau_bitfield nv84_crypt_intr_mask[] = { + { 0x00000001, "INVALID_STATE" }, + { 0x00000002, "ILLEGAL_MTHD" }, + { 0x00000004, "ILLEGAL_CLASS" }, + { 0x00000080, "QUERY" }, + { 0x00000100, "FAULT" }, + {} +}; + +static void +nv84_crypt_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_fifo *pfifo = nouveau_fifo(subdev); + struct nouveau_engine *engine = nv_engine(subdev); + struct nouveau_object *engctx; + struct nv84_crypt_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 = nouveau_engctx_get(engine, inst); + chid = pfifo->chid(pfifo, engctx); + + if (stat) { + nv_error(priv, "%s", ""); + nouveau_bitfield_print(nv84_crypt_intr_mask, stat); + pr_cont(" ch %d [0x%010llx %s] mthd 0x%04x data 0x%08x\n", + chid, (u64)inst << 12, nouveau_client_name(engctx), + mthd, data); + } + + nv_wr32(priv, 0x102130, stat); + nv_wr32(priv, 0x10200c, 0x10); + + nouveau_engctx_put(engctx); +} + +static int +nv84_crypt_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv84_crypt_priv *priv; + int ret; + + ret = nouveau_engine_create(parent, engine, oclass, true, + "PCRYPT", "crypt", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00004000; + nv_subdev(priv)->intr = nv84_crypt_intr; + nv_engine(priv)->cclass = &nv84_crypt_cclass; + nv_engine(priv)->sclass = nv84_crypt_sclass; + return 0; +} + +static int +nv84_crypt_init(struct nouveau_object *object) +{ + struct nv84_crypt_priv *priv = (void *)object; + int ret; + + ret = nouveau_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 nouveau_oclass +nv84_crypt_oclass = { + .handle = NV_ENGINE(CRYPT, 0x84), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv84_crypt_ctor, + .dtor = _nouveau_engine_dtor, + .init = nv84_crypt_init, + .fini = _nouveau_engine_fini, + }, +}; |