static int
nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
u32 handle, u32 engine, struct nouveau_channel **pchan)
{
static const u16 oclasses[] = { KEPLER_CHANNEL_GPFIFO_A,
FERMI_CHANNEL_GPFIFO,
G82_CHANNEL_GPFIFO,
NV50_CHANNEL_GPFIFO,
0 };
const u16 *oclass = oclasses;
union {
struct nv50_channel_gpfifo_v0 nv50;
struct kepler_channel_gpfifo_a_v0 kepler;
} args, *retn;
struct nouveau_channel *chan;
u32 size;
int ret;
/* allocate dma push buffer */
ret = nouveau_channel_prep(drm, device, handle, 0x12000, &chan);
*pchan = chan;
if (ret)
return ret;
/* create channel object */
do {
if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
args.kepler.version = 0;
args.kepler.engine = engine;
args.kepler.pushbuf = chan->push.ctxdma.handle;
args.kepler.ilength = 0x02000;
args.kepler.ioffset = 0x10000 + chan->push.vma.offset;
size = sizeof(args.kepler);
} else {
args.nv50.version = 0;
args.nv50.pushbuf = chan->push.ctxdma.handle;
args.nv50.ilength = 0x02000;
args.nv50.ioffset = 0x10000 + chan->push.vma.offset;
size = sizeof(args.nv50);
}
ret = nvif_object_new(nvif_object(device), handle, *oclass++,
&args, size, &chan->object);
if (ret == 0) {
retn = chan->object->data;
if (chan->object->oclass >= KEPLER_CHANNEL_GPFIFO_A)
chan->chid = retn->kepler.chid;
else
chan->chid = retn->nv50.chid;
return ret;
}
} while (*oclass);
nouveau_channel_del(pchan);
return ret;
}
static int
nouveau_channel_dma(struct nouveau_drm *drm, struct nvif_device *device,
u32 handle, struct nouveau_channel **pchan)
{
static const u16 oclasses[] = { NV40_CHANNEL_DMA,
NV17_CHANNEL_DMA,
NV10_CHANNEL_DMA,
NV03_CHANNEL_DMA,
0 };
const u16 *oclass = oclasses;
struct nv03_channel_dma_v0 args, *retn;
struct nouveau_channel *chan;
int ret;
/* allocate dma push buffer */
ret = nouveau_channel_prep(drm, device, handle, 0x10000, &chan);
*pchan = chan;
if (ret)
return ret;
/* create channel object */
args.version = 0;
args.pushbuf = chan->push.ctxdma.handle;
args.offset = chan->push.vma.offset;
do {
ret = nvif_object_new(nvif_object(device), handle, *oclass++,
&args, sizeof(args), &chan->object);
if (ret == 0) {
retn = chan->object->data;
chan->chid = retn->chid;
return ret;
}
} while (ret && *oclass);
nouveau_channel_del(pchan);
return ret;
}
static int
nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device,
u32 engine, struct nouveau_channel **pchan)
{
static const u16 oclasses[] = { MAXWELL_CHANNEL_GPFIFO_A,
KEPLER_CHANNEL_GPFIFO_B,
KEPLER_CHANNEL_GPFIFO_A,
FERMI_CHANNEL_GPFIFO,
G82_CHANNEL_GPFIFO,
NV50_CHANNEL_GPFIFO,
0 };
const u16 *oclass = oclasses;
union {
struct nv50_channel_gpfifo_v0 nv50;
struct fermi_channel_gpfifo_v0 fermi;
struct kepler_channel_gpfifo_a_v0 kepler;
} args;
struct nouveau_channel *chan;
u32 size;
int ret;
/* allocate dma push buffer */
ret = nouveau_channel_prep(drm, device, 0x12000, &chan);
*pchan = chan;
if (ret)
return ret;
/* create channel object */
do {
if (oclass[0] >= KEPLER_CHANNEL_GPFIFO_A) {
args.kepler.version = 0;
args.kepler.engines = engine;
args.kepler.ilength = 0x02000;
args.kepler.ioffset = 0x10000 + chan->push.vma.offset;
args.kepler.vm = 0;
size = sizeof(args.kepler);
} else
if (oclass[0] >= FERMI_CHANNEL_GPFIFO) {
args.fermi.version = 0;
args.fermi.ilength = 0x02000;
args.fermi.ioffset = 0x10000 + chan->push.vma.offset;
args.fermi.vm = 0;
size = sizeof(args.fermi);
} else {
args.nv50.version = 0;
args.nv50.ilength = 0x02000;
args.nv50.ioffset = 0x10000 + chan->push.vma.offset;
args.nv50.pushbuf = nvif_handle(&chan->push.ctxdma);
args.nv50.vm = 0;
size = sizeof(args.nv50);
}
ret = nvif_object_init(&device->object, 0, *oclass++,
&args, size, &chan->user);
if (ret == 0) {
if (chan->user.oclass >= KEPLER_CHANNEL_GPFIFO_A)
chan->chid = args.kepler.chid;
else
if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO)
chan->chid = args.fermi.chid;
else
chan->chid = args.nv50.chid;
return ret;
}
} while (*oclass);
nouveau_channel_del(pchan);
return ret;
}