diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/copy/nve0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/copy/nve0.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c b/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c new file mode 100644 index 0000000..dbbe9e8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c @@ -0,0 +1,136 @@ +/* + * 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/os.h> +#include <core/enum.h> +#include <core/class.h> +#include <core/engctx.h> + +#include <engine/copy.h> + +struct nve0_copy_priv { + struct nouveau_engine base; +}; + +/******************************************************************************* + * Copy object classes + ******************************************************************************/ + +static struct nouveau_oclass +nve0_copy_sclass[] = { + { 0xa0b5, &nouveau_object_ofuncs }, + {}, +}; + +/******************************************************************************* + * PCOPY context + ******************************************************************************/ + +static struct nouveau_ofuncs +nve0_copy_context_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, +}; + +static struct nouveau_oclass +nve0_copy_cclass = { + .handle = NV_ENGCTX(COPY0, 0xc0), + .ofuncs = &nve0_copy_context_ofuncs, +}; + +/******************************************************************************* + * PCOPY engine/subdev functions + ******************************************************************************/ + +static int +nve0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nve0_copy_priv *priv; + int ret; + + if (nv_rd32(parent, 0x022500) & 0x00000100) + return -ENODEV; + + ret = nouveau_engine_create(parent, engine, oclass, true, + "PCE0", "copy0", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000040; + nv_engine(priv)->cclass = &nve0_copy_cclass; + nv_engine(priv)->sclass = nve0_copy_sclass; + return 0; +} + +static int +nve0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nve0_copy_priv *priv; + int ret; + + if (nv_rd32(parent, 0x022500) & 0x00000200) + return -ENODEV; + + ret = nouveau_engine_create(parent, engine, oclass, true, + "PCE1", "copy1", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000080; + nv_engine(priv)->cclass = &nve0_copy_cclass; + nv_engine(priv)->sclass = nve0_copy_sclass; + return 0; +} + +struct nouveau_oclass +nve0_copy0_oclass = { + .handle = NV_ENGINE(COPY0, 0xe0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nve0_copy0_ctor, + .dtor = _nouveau_engine_dtor, + .init = _nouveau_engine_init, + .fini = _nouveau_engine_fini, + }, +}; + +struct nouveau_oclass +nve0_copy1_oclass = { + .handle = NV_ENGINE(COPY1, 0xe0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nve0_copy1_ctor, + .dtor = _nouveau_engine_dtor, + .init = _nouveau_engine_init, + .fini = _nouveau_engine_fini, + }, +}; |