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* 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 "changk104.h"
#include <core/client.h>
#include <core/gpuobj.h>
#include <subdev/fb.h>
#include <subdev/mmu.h>
#include <subdev/timer.h>
#include <nvif/class.h>
#include <nvif/cla06f.h>
#include <nvif/unpack.h>
static int
gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan)
{
struct gk104_fifo *fifo = chan->fifo;
struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_client *client = chan->base.object.client;
nvkm_wr32(device, 0x002634, chan->base.chid);
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
break;
) < 0) {
nvkm_error(subdev, "channel %d [%s] kick timeout\n",
chan->base.chid, client->name);
return -EBUSY;
}
return 0;
}
static u32
gk104_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
{
switch (engine->subdev.index) {
case NVKM_ENGINE_SW :
case NVKM_ENGINE_CE0 :
case NVKM_ENGINE_CE1 :
case NVKM_ENGINE_CE2 : return 0x0000;
case NVKM_ENGINE_GR : return 0x0210;
case NVKM_ENGINE_SEC : return 0x0220;
case NVKM_ENGINE_MSPDEC: return 0x0250;
case NVKM_ENGINE_MSPPP : return 0x0260;
case NVKM_ENGINE_MSVLD : return 0x0270;
case NVKM_ENGINE_VIC : return 0x0280;
case NVKM_ENGINE_MSENC : return 0x0290;
case NVKM_ENGINE_NVDEC : return 0x02100270;
case NVKM_ENGINE_NVENC0: return 0x02100290;
case NVKM_ENGINE_NVENC1: return 0x0210;
default:
WARN_ON(1);
return 0;
}
}
static int
gk104_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine, bool suspend)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
struct nvkm_gpuobj *inst = chan->base.inst;
u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
int ret;
ret = gk104_fifo_gpfifo_kick(chan);
if (ret && suspend)
return ret;
if (offset) {
nvkm_kmap(inst);
nvkm_wo32(inst, (offset & 0xffff) + 0x00, 0x00000000);
nvkm_wo32(inst, (offset & 0xffff) + 0x04, 0x00000000);
if ((offset >>= 16)) {
nvkm_wo32(inst, offset + 0x00, 0x00000000);
nvkm_wo32(inst, offset + 0x04, 0x00000000);
}
nvkm_done(inst);
}
return ret;
}
static int
gk104_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
struct nvkm_gpuobj *inst = chan->base.inst;
u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
if (offset) {
u64 addr = chan->engn[engine->subdev.index].vma.offset;
u32 datalo = lower_32_bits(addr) | 0x00000004;
u32 datahi = upper_32_bits(addr);
nvkm_kmap(inst);
nvkm_wo32(inst, (offset & 0xffff) + 0x00, datalo);
nvkm_wo32(inst, (offset & 0xffff) + 0x04, datahi);
if ((offset >>= 16)) {
nvkm_wo32(inst, offset + 0x00, datalo);
nvkm_wo32(inst, offset + 0x04, datahi);
}
nvkm_done(inst);
}
return 0;
}
static void
gk104_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
nvkm_gpuobj_unmap(&chan->engn[engine->subdev.index].vma);
nvkm_gpuobj_del(&chan->engn[engine->subdev.index].inst);
}
static int
gk104_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base,
struct nvkm_engine *engine,
struct nvkm_object *object)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
int engn = engine->subdev.index;
int ret;
if (!gk104_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
gk104_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
struct gk104_fifo *fifo = chan->fifo;
struct nvkm_device *device = fifo->base.engine.subdev.device;
u32 coff = chan->base.chid * 8;
if (!list_empty(&chan->head)) {
gk104_fifo_runlist_remove(fifo, chan);
nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
gk104_fifo_gpfifo_kick(chan);
gk104_fifo_runlist_commit(fifo, chan->runl);
}
nvkm_wr32(device, 0x800000 + coff, 0x00000000);
}
static void
gk104_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
struct gk104_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_mask(device, 0x800004 + coff, 0x000f0000, chan->runl << 16);
nvkm_wr32(device, 0x800000 + coff, 0x80000000 | addr);
if (list_empty(&chan->head) && !chan->killed) {
gk104_fifo_runlist_insert(fifo, chan);
nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
gk104_fifo_runlist_commit(fifo, chan->runl);
nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
}
}
static void *
gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
{
struct gk104_fifo_chan *chan = gk104_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
gk104_fifo_gpfifo_func = {
.dtor = gk104_fifo_gpfifo_dtor,
.init = gk104_fifo_gpfifo_init,
.fini = gk104_fifo_gpfifo_fini,
.ntfy = g84_fifo_chan_ntfy,
.engine_ctor = gk104_fifo_gpfifo_engine_ctor,
.engine_dtor = gk104_fifo_gpfifo_engine_dtor,
.engine_init = gk104_fifo_gpfifo_engine_init,
.engine_fini = gk104_fifo_gpfifo_engine_fini,
};
struct gk104_fifo_chan_func {
u32 engine;
u64 subdev;
};
static int
gk104_fifo_gpfifo_new_(const struct gk104_fifo_chan_func *func,
struct gk104_fifo *fifo, u32 *engmask, u16 *chid,
u64 vm, u64 ioffset, u64 ilength,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct gk104_fifo_chan *chan;
int runlist = -1, ret = -ENOSYS, i, j;
u32 engines = 0, present = 0;
u64 subdevs = 0;
u64 usermem;
/* Determine which downstream engines are present */
for (i = 0; i < fifo->engine_nr; i++) {
struct nvkm_engine *engine = fifo->engine[i].engine;
if (engine) {
u64 submask = BIT_ULL(engine->subdev.index);
for (j = 0; func[j].subdev; j++) {
if (func[j].subdev & submask) {
present |= func[j].engine;
break;
}
}
if (!func[j].subdev)
continue;
if (runlist < 0 && (*engmask & present))
runlist = fifo->engine[i].runl;
if (runlist == fifo->engine[i].runl) {
engines |= func[j].engine;
subdevs |= func[j].subdev;
}
}
}
/* Just an engine mask query? All done here! */
if (!*engmask) {
*engmask = present;
return nvkm_object_new(oclass, NULL, 0, pobject);
}
/* No runlist? No supported engines. */
*engmask = present;
if (runlist < 0)
return -ENODEV;
*engmask = engines;
/* Allocate the channel. */
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
*pobject = &chan->base.object;
chan->fifo = fifo;
chan->runl = runlist;
INIT_LIST_HEAD(&chan->head);
ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
0x1000, 0x1000, true, vm, 0, subdevs,
1, fifo->user.bar.offset, 0x200,
oclass, &chan->base);
if (ret)
return ret;
*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 * 0x200;
ilength = order_base_2(ilength / 8);
nvkm_kmap(fifo->user.mem);
for (i = 0; i < 0x200; 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, 0x84, 0x20400000);
nvkm_wo32(chan->base.inst, 0x94, 0x30000001);
nvkm_wo32(chan->base.inst, 0x9c, 0x00000100);
nvkm_wo32(chan->base.inst, 0xac, 0x0000001f);
nvkm_wo32(chan->base.inst, 0xe8, chan->base.chid);
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;
}
static const struct gk104_fifo_chan_func
gk104_fifo_gpfifo[] = {
{ NVA06F_V0_ENGINE_SW | NVA06F_V0_ENGINE_GR,
BIT_ULL(NVKM_ENGINE_SW) | BIT_ULL(NVKM_ENGINE_GR)
},
{ NVA06F_V0_ENGINE_SEC , BIT_ULL(NVKM_ENGINE_SEC ) },
{ NVA06F_V0_ENGINE_MSVLD , BIT_ULL(NVKM_ENGINE_MSVLD ) },
{ NVA06F_V0_ENGINE_MSPDEC, BIT_ULL(NVKM_ENGINE_MSPDEC) },
{ NVA06F_V0_ENGINE_MSPPP , BIT_ULL(NVKM_ENGINE_MSPPP ) },
{ NVA06F_V0_ENGINE_MSENC , BIT_ULL(NVKM_ENGINE_MSENC ) },
{ NVA06F_V0_ENGINE_VIC , BIT_ULL(NVKM_ENGINE_VIC ) },
{ NVA06F_V0_ENGINE_NVDEC , BIT_ULL(NVKM_ENGINE_NVDEC ) },
{ NVA06F_V0_ENGINE_NVENC0, BIT_ULL(NVKM_ENGINE_NVENC0) },
{ NVA06F_V0_ENGINE_NVENC1, BIT_ULL(NVKM_ENGINE_NVENC1) },
{ NVA06F_V0_ENGINE_CE0 , BIT_ULL(NVKM_ENGINE_CE0 ) },
{ NVA06F_V0_ENGINE_CE1 , BIT_ULL(NVKM_ENGINE_CE1 ) },
{ NVA06F_V0_ENGINE_CE2 , BIT_ULL(NVKM_ENGINE_CE2 ) },
{}
};
int
gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
struct nvkm_object *parent = oclass->parent;
union {
struct kepler_channel_gpfifo_a_v0 v0;
} *args = data;
struct gk104_fifo *fifo = gk104_fifo(base);
int ret = -ENOSYS;
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
"ioffset %016llx ilength %08x engine %08x\n",
args->v0.version, args->v0.vm, args->v0.ioffset,
args->v0.ilength, args->v0.engines);
return gk104_fifo_gpfifo_new_(gk104_fifo_gpfifo, fifo,
&args->v0.engines,
&args->v0.chid,
args->v0.vm,
args->v0.ioffset,
args->v0.ilength,
oclass, pobject);
}
return ret;
}
const struct nvkm_fifo_chan_oclass
gk104_fifo_gpfifo_oclass = {
.base.oclass = KEPLER_CHANNEL_GPFIFO_A,
.base.minver = 0,
.base.maxver = 0,
.ctor = gk104_fifo_gpfifo_new,
};
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