From 368be5f1b84b3356eb03ad2ccaf073e2fbb7fc4e Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 14 Aug 2012 15:33:20 +1000 Subject: [PATCH] drm/nv50/fifo: add support for dma channel class Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c | 1 + drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c | 77 ++++++++++++++++++++--- drivers/gpu/drm/nouveau/core/include/core/class.h | 1 + 3 files changed, 72 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c index fbcd9d04fe6b..be5c0df644db 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c @@ -109,6 +109,7 @@ nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; switch (nv_mclass(parent)) { + case 0x506e: case 0x506f: case 0x826e: case 0x826f: diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c index 452f2241783a..44a0dce07e19 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c @@ -178,10 +178,62 @@ nv50_fifo_object_detach(struct nouveau_object *parent, int cookie) } static int -nv50_fifo_chan_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) +nv50_fifo_chan_ctor_dma(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_bar *bar = nouveau_bar(parent); + struct nv50_fifo_base *base = (void *)parent; + struct nv50_fifo_chan *chan; + struct nv03_channel_dma_class *args = data; + int ret; + + if (size < sizeof(*args)) + return -EINVAL; + + ret = nouveau_fifo_channel_create(parent, engine, oclass, 0, 0xc00000, + 0x2000, args->pushbuf, + (1 << NVDEV_ENGINE_DMAOBJ) | + (1 << NVDEV_ENGINE_SW) | + (1 << NVDEV_ENGINE_GR) | + (1 << NVDEV_ENGINE_MPEG), &chan); + *pobject = nv_object(chan); + if (ret) + return ret; + + nv_parent(chan)->context_attach = nv50_fifo_context_attach; + nv_parent(chan)->context_detach = nv50_fifo_context_detach; + nv_parent(chan)->object_attach = nv50_fifo_object_attach; + nv_parent(chan)->object_detach = nv50_fifo_object_detach; + + ret = nouveau_ramht_new(parent, parent, 0x8000, 16, &chan->ramht); + if (ret) + return ret; + + nv_wo32(base->ramfc, 0x08, lower_32_bits(args->offset)); + nv_wo32(base->ramfc, 0x0c, upper_32_bits(args->offset)); + nv_wo32(base->ramfc, 0x10, lower_32_bits(args->offset)); + nv_wo32(base->ramfc, 0x14, upper_32_bits(args->offset)); + nv_wo32(base->ramfc, 0x3c, 0x003f6078); + nv_wo32(base->ramfc, 0x44, 0x01003fff); + nv_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4); + nv_wo32(base->ramfc, 0x4c, 0xffffffff); + nv_wo32(base->ramfc, 0x60, 0x7fffffff); + nv_wo32(base->ramfc, 0x78, 0x00000000); + nv_wo32(base->ramfc, 0x7c, 0x30000001); + nv_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) | + (4 << 24) /* SEARCH_FULL */ | + (chan->ramht->base.node->offset >> 4)); + bar->flush(bar); + return 0; +} + +static int +nv50_fifo_chan_ctor_ind(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) { struct nv50_channel_ind_class *args = data; struct nouveau_bar *bar = nouveau_bar(parent); @@ -273,8 +325,18 @@ nv50_fifo_chan_fini(struct nouveau_object *object, bool suspend) } static struct nouveau_ofuncs -nv50_fifo_ofuncs = { - .ctor = nv50_fifo_chan_ctor, +nv50_fifo_ofuncs_dma = { + .ctor = nv50_fifo_chan_ctor_dma, + .dtor = nv50_fifo_chan_dtor, + .init = nv50_fifo_chan_init, + .fini = nv50_fifo_chan_fini, + .rd32 = _nouveau_fifo_channel_rd32, + .wr32 = _nouveau_fifo_channel_wr32, +}; + +static struct nouveau_ofuncs +nv50_fifo_ofuncs_ind = { + .ctor = nv50_fifo_chan_ctor_ind, .dtor = nv50_fifo_chan_dtor, .init = nv50_fifo_chan_init, .fini = nv50_fifo_chan_fini, @@ -284,7 +346,8 @@ nv50_fifo_ofuncs = { static struct nouveau_oclass nv50_fifo_sclass[] = { - { 0x506f, &nv50_fifo_ofuncs }, + { 0x506e, &nv50_fifo_ofuncs_dma }, + { 0x506f, &nv50_fifo_ofuncs_ind }, {} }; diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h index 36759159db05..b0e1948f4e71 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/class.h +++ b/drivers/gpu/drm/nouveau/core/include/core/class.h @@ -55,6 +55,7 @@ struct nv_dma_class { * 006e: NV10_CHANNEL_DMA * 176e: NV17_CHANNEL_DMA * 406e: NV40_CHANNEL_DMA + * 506e: NV50_CHANNEL_DMA * 826e: NV84_CHANNEL_DMA */ -- 2.11.0