diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c new file mode 100644 index 000000000000..577eb2eead05 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c @@ -0,0 +1,173 @@ +/* + * Copyright 2015 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/ce.h> + +#include <core/engctx.h> + +struct gm204_ce_priv { + struct nvkm_engine base; +}; + +/******************************************************************************* + * Copy object classes + ******************************************************************************/ + +static struct nvkm_oclass +gm204_ce_sclass[] = { + { 0xb0b5, &nvkm_object_ofuncs }, + {}, +}; + +/******************************************************************************* + * PCE context + ******************************************************************************/ + +static struct nvkm_ofuncs +gm204_ce_context_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, +}; + +static struct nvkm_oclass +gm204_ce_cclass = { + .handle = NV_ENGCTX(CE0, 0x24), + .ofuncs = &gm204_ce_context_ofuncs, +}; + +/******************************************************************************* + * PCE engine/subdev functions + ******************************************************************************/ + +static void +gm204_ce_intr(struct nvkm_subdev *subdev) +{ + const int ce = nv_subidx(subdev) - NVDEV_ENGINE_CE0; + struct gm204_ce_priv *priv = (void *)subdev; + u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000)); + + if (stat) { + nv_warn(priv, "unhandled intr 0x%08x\n", stat); + nv_wr32(priv, 0x104908 + (ce * 0x1000), stat); + } +} + +static int +gm204_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gm204_ce_priv *priv; + int ret; + + ret = nvkm_engine_create(parent, engine, oclass, true, + "PCE0", "ce0", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000040; + nv_subdev(priv)->intr = gm204_ce_intr; + nv_engine(priv)->cclass = &gm204_ce_cclass; + nv_engine(priv)->sclass = gm204_ce_sclass; + return 0; +} + +static int +gm204_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gm204_ce_priv *priv; + int ret; + + ret = nvkm_engine_create(parent, engine, oclass, true, + "PCE1", "ce1", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00000080; + nv_subdev(priv)->intr = gm204_ce_intr; + nv_engine(priv)->cclass = &gm204_ce_cclass; + nv_engine(priv)->sclass = gm204_ce_sclass; + return 0; +} + +static int +gm204_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine, + struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + struct gm204_ce_priv *priv; + int ret; + + ret = nvkm_engine_create(parent, engine, oclass, true, + "PCE2", "ce2", &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_subdev(priv)->unit = 0x00200000; + nv_subdev(priv)->intr = gm204_ce_intr; + nv_engine(priv)->cclass = &gm204_ce_cclass; + nv_engine(priv)->sclass = gm204_ce_sclass; + return 0; +} + +struct nvkm_oclass +gm204_ce0_oclass = { + .handle = NV_ENGINE(CE0, 0x24), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gm204_ce0_ctor, + .dtor = _nvkm_engine_dtor, + .init = _nvkm_engine_init, + .fini = _nvkm_engine_fini, + }, +}; + +struct nvkm_oclass +gm204_ce1_oclass = { + .handle = NV_ENGINE(CE1, 0x24), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gm204_ce1_ctor, + .dtor = _nvkm_engine_dtor, + .init = _nvkm_engine_init, + .fini = _nvkm_engine_fini, + }, +}; + +struct nvkm_oclass +gm204_ce2_oclass = { + .handle = NV_ENGINE(CE2, 0x24), + .ofuncs = &(struct nvkm_ofuncs) { + .ctor = gm204_ce2_ctor, + .dtor = _nvkm_engine_dtor, + .init = _nvkm_engine_init, + .fini = _nvkm_engine_fini, + }, +}; |