diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/software/nvc0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/software/nvc0.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/software/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/software/nvc0.c new file mode 100644 index 000000000000..b7b0d7e330d6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/software/nvc0.c @@ -0,0 +1,181 @@ +/* + * 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/class.h> +#include <core/engctx.h> + +#include <engine/software.h> +#include <engine/disp.h> + +struct nvc0_software_priv { + struct nouveau_software base; +}; + +struct nvc0_software_chan { + struct nouveau_software_chan base; +}; + +/******************************************************************************* + * software object classes + ******************************************************************************/ + +static int +nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent); + u64 data = *(u32 *)args; + if (mthd == 0x0400) { + chan->base.vblank.offset &= 0x00ffffffffULL; + chan->base.vblank.offset |= data << 32; + } else { + chan->base.vblank.offset &= 0xff00000000ULL; + chan->base.vblank.offset |= data; + } + return 0; +} + +static int +nvc0_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent); + chan->base.vblank.value = *(u32 *)args; + return 0; +} + +static int +nvc0_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent); + struct nouveau_disp *disp = nouveau_disp(object); + unsigned long flags; + u32 crtc = *(u32 *)args; + + if ((nv_device(object)->card_type < NV_E0 && crtc > 1) || crtc > 3) + return -EINVAL; + + disp->vblank.get(disp->vblank.data, crtc); + + spin_lock_irqsave(&disp->vblank.lock, flags); + list_add(&chan->base.vblank.head, &disp->vblank.list); + chan->base.vblank.crtc = crtc; + spin_unlock_irqrestore(&disp->vblank.lock, flags); + return 0; +} + +static int +nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent); + if (chan->base.flip) + return chan->base.flip(chan->base.flip_data); + return -EINVAL; +} + +static struct nouveau_omthds +nvc0_software_omthds[] = { + { 0x0400, nvc0_software_mthd_vblsem_offset }, + { 0x0404, nvc0_software_mthd_vblsem_offset }, + { 0x0408, nvc0_software_mthd_vblsem_value }, + { 0x040c, nvc0_software_mthd_vblsem_release }, + { 0x0500, nvc0_software_mthd_flip }, + {} +}; + +static struct nouveau_oclass +nvc0_software_sclass[] = { + { 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds }, + {} +}; + +/******************************************************************************* + * software context + ******************************************************************************/ + +static int +nvc0_software_context_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_software_chan *chan; + int ret; + + ret = nouveau_software_context_create(parent, engine, oclass, &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + chan->base.vblank.channel = nv_gpuobj(parent->parent)->addr >> 12; + return 0; +} + +static struct nouveau_oclass +nvc0_software_cclass = { + .handle = NV_ENGCTX(SW, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_software_context_ctor, + .dtor = _nouveau_software_context_dtor, + .init = _nouveau_software_context_init, + .fini = _nouveau_software_context_fini, + }, +}; + +/******************************************************************************* + * software engine/subdev functions + ******************************************************************************/ + +static int +nvc0_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nvc0_software_priv *priv; + int ret; + + ret = nouveau_software_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + nv_engine(priv)->cclass = &nvc0_software_cclass; + nv_engine(priv)->sclass = nvc0_software_sclass; + nv_subdev(priv)->intr = nv04_software_intr; + return 0; +} + +struct nouveau_oclass +nvc0_software_oclass = { + .handle = NV_ENGINE(SW, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_software_ctor, + .dtor = _nouveau_software_dtor, + .init = _nouveau_software_init, + .fini = _nouveau_software_fini, + }, +}; |