diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c new file mode 100644 index 000000000000..e7cbc139c1d4 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c @@ -0,0 +1,293 @@ +/* + * 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 "changf100.h" + +#include <core/client.h> +#include <core/gpuobj.h> +#include <subdev/fb.h> +#include <subdev/timer.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +static u32 +gf100_fifo_gpfifo_engine_addr(struct nvkm_engine *engine) +{ + switch (engine->subdev.index) { + case NVKM_ENGINE_SW : return 0; + case NVKM_ENGINE_GR : return 0x0210; + case NVKM_ENGINE_CE0 : return 0x0230; + case NVKM_ENGINE_CE1 : return 0x0240; + case NVKM_ENGINE_MSPDEC: return 0x0250; + case NVKM_ENGINE_MSPPP : return 0x0260; + case NVKM_ENGINE_MSVLD : return 0x0270; + default: + WARN_ON(1); + return 0; + } +} + +static int +gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base, + struct nvkm_engine *engine, bool suspend) +{ + const u32 offset = gf100_fifo_gpfifo_engine_addr(engine); + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + struct nvkm_subdev *subdev = &chan->fifo->base.engine.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_gpuobj *inst = chan->base.inst; + int ret = 0; + + nvkm_wr32(device, 0x002634, chan->base.chid); + if (nvkm_msec(device, 2000, + if (nvkm_rd32(device, 0x002634) == chan->base.chid) + break; + ) < 0) { + nvkm_error(subdev, "channel %d [%s] kick timeout\n", + chan->base.chid, chan->base.object.client->name); + ret = -EBUSY; + if (suspend) + return ret; + } + + if (offset) { + nvkm_kmap(inst); + nvkm_wo32(inst, offset + 0x00, 0x00000000); + nvkm_wo32(inst, offset + 0x04, 0x00000000); + nvkm_done(inst); + } + + return ret; +} + +static int +gf100_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base, + struct nvkm_engine *engine) +{ + const u32 offset = gf100_fifo_gpfifo_engine_addr(engine); + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + struct nvkm_gpuobj *inst = chan->base.inst; + + if (offset) { + u64 addr = chan->engn[engine->subdev.index].vma.offset; + nvkm_kmap(inst); + nvkm_wo32(inst, offset + 0x00, lower_32_bits(addr) | 4); + nvkm_wo32(inst, offset + 0x04, upper_32_bits(addr)); + nvkm_done(inst); + } + + return 0; +} + +static void +gf100_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base, + struct nvkm_engine *engine) +{ + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + nvkm_gpuobj_unmap(&chan->engn[engine->subdev.index].vma); + nvkm_gpuobj_del(&chan->engn[engine->subdev.index].inst); +} + +static int +gf100_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base, + struct nvkm_engine *engine, + struct nvkm_object *object) +{ + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + int engn = engine->subdev.index; + int ret; + + if (!gf100_fifo_gpfifo_engine_addr(engine)) + return 0; + + ret = nvkm_object_bind(object, NULL, 0, &chan->engn[engn].inst); + if (ret) + return ret; + + return nvkm_gpuobj_map(chan->engn[engn].inst, chan->vm, + NV_MEM_ACCESS_RW, &chan->engn[engn].vma); +} + +static void +gf100_fifo_gpfifo_fini(struct nvkm_fifo_chan *base) +{ + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + struct gf100_fifo *fifo = chan->fifo; + struct nvkm_device *device = fifo->base.engine.subdev.device; + u32 coff = chan->base.chid * 8; + + if (!list_empty(&chan->head) && !chan->killed) { + list_del_init(&chan->head); + nvkm_mask(device, 0x003004 + coff, 0x00000001, 0x00000000); + gf100_fifo_runlist_update(fifo); + } + + gf100_fifo_intr_engine(fifo); + + nvkm_wr32(device, 0x003000 + coff, 0x00000000); +} + +static void +gf100_fifo_gpfifo_init(struct nvkm_fifo_chan *base) +{ + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + struct gf100_fifo *fifo = chan->fifo; + struct nvkm_device *device = fifo->base.engine.subdev.device; + u32 addr = chan->base.inst->addr >> 12; + u32 coff = chan->base.chid * 8; + + nvkm_wr32(device, 0x003000 + coff, 0xc0000000 | addr); + + if (list_empty(&chan->head) && !chan->killed) { + list_add_tail(&chan->head, &fifo->chan); + nvkm_wr32(device, 0x003004 + coff, 0x001f0001); + gf100_fifo_runlist_update(fifo); + } +} + +static void * +gf100_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base) +{ + struct gf100_fifo_chan *chan = gf100_fifo_chan(base); + nvkm_vm_ref(NULL, &chan->vm, chan->pgd); + nvkm_gpuobj_del(&chan->pgd); + return chan; +} + +static const struct nvkm_fifo_chan_func +gf100_fifo_gpfifo_func = { + .dtor = gf100_fifo_gpfifo_dtor, + .init = gf100_fifo_gpfifo_init, + .fini = gf100_fifo_gpfifo_fini, + .ntfy = g84_fifo_chan_ntfy, + .engine_ctor = gf100_fifo_gpfifo_engine_ctor, + .engine_dtor = gf100_fifo_gpfifo_engine_dtor, + .engine_init = gf100_fifo_gpfifo_engine_init, + .engine_fini = gf100_fifo_gpfifo_engine_fini, +}; + +static int +gf100_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + union { + struct fermi_channel_gpfifo_v0 v0; + } *args = data; + struct gf100_fifo *fifo = gf100_fifo(base); + struct nvkm_device *device = fifo->base.engine.subdev.device; + struct nvkm_object *parent = oclass->parent; + struct gf100_fifo_chan *chan; + u64 usermem, ioffset, ilength; + int ret, i; + + nvif_ioctl(parent, "create channel gpfifo size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx " + "ioffset %016llx ilength %08x\n", + args->v0.version, args->v0.vm, args->v0.ioffset, + args->v0.ilength); + } else + return ret; + + /* allocate channel */ + if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) + return -ENOMEM; + *pobject = &chan->base.object; + chan->fifo = fifo; + INIT_LIST_HEAD(&chan->head); + + ret = nvkm_fifo_chan_ctor(&gf100_fifo_gpfifo_func, &fifo->base, + 0x1000, 0x1000, true, args->v0.vm, 0, + (1ULL << NVKM_ENGINE_CE0) | + (1ULL << NVKM_ENGINE_CE1) | + (1ULL << NVKM_ENGINE_GR) | + (1ULL << NVKM_ENGINE_MSPDEC) | + (1ULL << NVKM_ENGINE_MSPPP) | + (1ULL << NVKM_ENGINE_MSVLD) | + (1ULL << NVKM_ENGINE_SW), + 1, fifo->user.bar.offset, 0x1000, + oclass, &chan->base); + if (ret) + return ret; + + args->v0.chid = chan->base.chid; + + /* page directory */ + ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &chan->pgd); + if (ret) + return ret; + + nvkm_kmap(chan->base.inst); + nvkm_wo32(chan->base.inst, 0x0200, lower_32_bits(chan->pgd->addr)); + nvkm_wo32(chan->base.inst, 0x0204, upper_32_bits(chan->pgd->addr)); + nvkm_wo32(chan->base.inst, 0x0208, 0xffffffff); + nvkm_wo32(chan->base.inst, 0x020c, 0x000000ff); + nvkm_done(chan->base.inst); + + ret = nvkm_vm_ref(chan->base.vm, &chan->vm, chan->pgd); + if (ret) + return ret; + + /* clear channel control registers */ + + usermem = chan->base.chid * 0x1000; + ioffset = args->v0.ioffset; + ilength = order_base_2(args->v0.ilength / 8); + + nvkm_kmap(fifo->user.mem); + for (i = 0; i < 0x1000; i += 4) + nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000); + nvkm_done(fifo->user.mem); + usermem = nvkm_memory_addr(fifo->user.mem) + usermem; + + /* RAMFC */ + nvkm_kmap(chan->base.inst); + nvkm_wo32(chan->base.inst, 0x08, lower_32_bits(usermem)); + nvkm_wo32(chan->base.inst, 0x0c, upper_32_bits(usermem)); + nvkm_wo32(chan->base.inst, 0x10, 0x0000face); + nvkm_wo32(chan->base.inst, 0x30, 0xfffff902); + nvkm_wo32(chan->base.inst, 0x48, lower_32_bits(ioffset)); + nvkm_wo32(chan->base.inst, 0x4c, upper_32_bits(ioffset) | + (ilength << 16)); + nvkm_wo32(chan->base.inst, 0x54, 0x00000002); + nvkm_wo32(chan->base.inst, 0x84, 0x20400000); + nvkm_wo32(chan->base.inst, 0x94, 0x30000001); + nvkm_wo32(chan->base.inst, 0x9c, 0x00000100); + nvkm_wo32(chan->base.inst, 0xa4, 0x1f1f1f1f); + nvkm_wo32(chan->base.inst, 0xa8, 0x1f1f1f1f); + nvkm_wo32(chan->base.inst, 0xac, 0x0000001f); + nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000); + nvkm_wo32(chan->base.inst, 0xf8, 0x10003080); /* 0x002310 */ + nvkm_wo32(chan->base.inst, 0xfc, 0x10000010); /* 0x002350 */ + nvkm_done(chan->base.inst); + return 0; +} + +const struct nvkm_fifo_chan_oclass +gf100_fifo_gpfifo_oclass = { + .base.oclass = FERMI_CHANNEL_GPFIFO, + .base.minver = 0, + .base.maxver = 0, + .ctor = gf100_fifo_gpfifo_new, +}; |