diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/sw/nvc0.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/sw/nvc0.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvc0.c b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvc0.c new file mode 100644 index 000000000000..dcb056eae471 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvc0.c @@ -0,0 +1,149 @@ +/* + * 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/engctx.h> +#include <core/event.h> + +#include <subdev/bar.h> + +#include <engine/sw.h> +#include <engine/disp.h> + +#include "nv50.h" + +/******************************************************************************* + * software object classes + ******************************************************************************/ + +static int +nvc0_sw_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); + u64 data = *(u32 *)args; + if (mthd == 0x0400) { + chan->vblank.offset &= 0x00ffffffffULL; + chan->vblank.offset |= data << 32; + } else { + chan->vblank.offset &= 0xff00000000ULL; + chan->vblank.offset |= data; + } + return 0; +} + +static int +nvc0_sw_mthd_mp_control(struct nouveau_object *object, u32 mthd, + void *args, u32 size) +{ + struct nv50_sw_chan *chan = (void *)nv_engctx(object->parent); + struct nv50_sw_priv *priv = (void *)nv_object(chan)->engine; + u32 data = *(u32 *)args; + + switch (mthd) { + case 0x600: + nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */ + break; + case 0x644: + if (data & ~0x1ffffe) + return -EINVAL; + nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */ + break; + case 0x6ac: + nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */ + break; + default: + return -EINVAL; + } + return 0; +} + +static struct nouveau_omthds +nvc0_sw_omthds[] = { + { 0x0400, 0x0400, nvc0_sw_mthd_vblsem_offset }, + { 0x0404, 0x0404, nvc0_sw_mthd_vblsem_offset }, + { 0x0408, 0x0408, nv50_sw_mthd_vblsem_value }, + { 0x040c, 0x040c, nv50_sw_mthd_vblsem_release }, + { 0x0500, 0x0500, nv50_sw_mthd_flip }, + { 0x0600, 0x0600, nvc0_sw_mthd_mp_control }, + { 0x0644, 0x0644, nvc0_sw_mthd_mp_control }, + { 0x06ac, 0x06ac, nvc0_sw_mthd_mp_control }, + {} +}; + +static struct nouveau_oclass +nvc0_sw_sclass[] = { + { 0x906e, &nouveau_object_ofuncs, nvc0_sw_omthds }, + {} +}; + +/******************************************************************************* + * software context + ******************************************************************************/ + +static int +nvc0_sw_vblsem_release(struct nvkm_notify *notify) +{ + struct nv50_sw_chan *chan = + container_of(notify, typeof(*chan), vblank.notify[notify->index]); + struct nv50_sw_priv *priv = (void *)nv_object(chan)->engine; + struct nouveau_bar *bar = nouveau_bar(priv); + + nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); + bar->flush(bar); + nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset)); + nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset)); + nv_wr32(priv, 0x060014, chan->vblank.value); + + return NVKM_NOTIFY_DROP; +} + +static struct nv50_sw_cclass +nvc0_sw_cclass = { + .base.handle = NV_ENGCTX(SW, 0xc0), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_sw_context_ctor, + .dtor = nv50_sw_context_dtor, + .init = _nouveau_sw_context_init, + .fini = _nouveau_sw_context_fini, + }, + .vblank = nvc0_sw_vblsem_release, +}; + +/******************************************************************************* + * software engine/subdev functions + ******************************************************************************/ + +struct nouveau_oclass * +nvc0_sw_oclass = &(struct nv50_sw_oclass) { + .base.handle = NV_ENGINE(SW, 0xc0), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_sw_ctor, + .dtor = _nouveau_sw_dtor, + .init = _nouveau_sw_init, + .fini = _nouveau_sw_fini, + }, + .cclass = &nvc0_sw_cclass.base, + .sclass = nvc0_sw_sclass, +}.base; |