static void
nouveau_accel_fini(struct nouveau_drm *drm)
{
nouveau_gpuobj_ref(NULL, &drm->notify);
nouveau_channel_del(&drm->channel);
nouveau_channel_del(&drm->cechan);
if (drm->fence)
nouveau_fence(drm)->dtor(drm);
}
static void
nouveau_accel_fini(struct nouveau_drm *drm)
{
nouveau_channel_del(&drm->channel);
nvif_object_fini(&drm->ntfy);
nvkm_gpuobj_ref(NULL, &drm->notify);
nvif_object_fini(&drm->nvsw);
nouveau_channel_del(&drm->cechan);
nvif_object_fini(&drm->ttm.copy);
if (drm->fence)
nouveau_fence(drm)->dtor(drm);
}
int
nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
u32 arg0, u32 arg1, struct nouveau_channel **pchan)
{
struct nouveau_cli *cli = (void *)device->object.client;
bool super;
int ret;
/* hack until fencenv50 is fixed, and agp access relaxed */
super = cli->base.super;
cli->base.super = true;
ret = nouveau_channel_ind(drm, device, arg0, pchan);
if (ret) {
NV_PRINTK(dbg, cli, "ib channel create, %d\n", ret);
ret = nouveau_channel_dma(drm, device, pchan);
if (ret) {
NV_PRINTK(dbg, cli, "dma channel create, %d\n", ret);
goto done;
}
}
ret = nouveau_channel_init(*pchan, arg0, arg1);
if (ret) {
NV_PRINTK(err, cli, "channel failed to initialise, %d\n", ret);
nouveau_channel_del(pchan);
}
done:
cli->base.super = super;
return ret;
}
int
nouveau_channel_new(struct nouveau_drm *drm, struct nvif_device *device,
u32 handle, u32 arg0, u32 arg1,
struct nouveau_channel **pchan)
{
struct nouveau_cli *cli = (void *)nvif_client(&device->base);
int ret;
ret = nouveau_channel_ind(drm, device, handle, arg0, pchan);
if (ret) {
NV_PRINTK(debug, cli, "ib channel create, %d\n", ret);
ret = nouveau_channel_dma(drm, device, handle, pchan);
if (ret) {
NV_PRINTK(debug, cli, "dma channel create, %d\n", ret);
return ret;
}
}
ret = nouveau_channel_init(*pchan, arg0, arg1);
if (ret) {
NV_PRINTK(error, cli, "channel failed to initialise, %d\n", ret);
nouveau_channel_del(pchan);
return ret;
}
return 0;
}
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_prep(struct nouveau_drm *drm, struct nvif_device *device,
u32 size, struct nouveau_channel **pchan)
{
struct nouveau_cli *cli = (void *)device->object.client;
struct nvkm_mmu *mmu = nvxx_mmu(device);
struct nv_dma_v0 args = {};
struct nouveau_channel *chan;
u32 target;
int ret;
chan = *pchan = kzalloc(sizeof(*chan), GFP_KERNEL);
if (!chan)
return -ENOMEM;
chan->device = device;
chan->drm = drm;
/* allocate memory for dma push buffer */
target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED;
if (nouveau_vram_pushbuf)
target = TTM_PL_FLAG_VRAM;
ret = nouveau_bo_new(drm->dev, size, 0, target, 0, 0, NULL, NULL,
&chan->push.buffer);
if (ret == 0) {
ret = nouveau_bo_pin(chan->push.buffer, target, false);
if (ret == 0)
ret = nouveau_bo_map(chan->push.buffer);
}
if (ret) {
nouveau_channel_del(pchan);
return ret;
}
/* create dma object covering the *entire* memory space that the
* pushbuf lives in, this is because the GEM code requires that
* we be able to call out to other (indirect) push buffers
*/
chan->push.vma.offset = chan->push.buffer->bo.offset;
if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nouveau_bo_vma_add(chan->push.buffer, cli->vm,
&chan->push.vma);
if (ret) {
nouveau_channel_del(pchan);
return ret;
}
args.target = NV_DMA_V0_TARGET_VM;
args.access = NV_DMA_V0_ACCESS_VM;
args.start = 0;
args.limit = cli->vm->mmu->limit - 1;
} else
if (chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) {
if (device->info.family == NV_DEVICE_INFO_V0_TNT) {
/* nv04 vram pushbuf hack, retarget to its location in
* the framebuffer bar rather than direct vram access..
* nfi why this exists, it came from the -nv ddx.
*/
args.target = NV_DMA_V0_TARGET_PCI;
args.access = NV_DMA_V0_ACCESS_RDWR;
args.start = nvxx_device(device)->func->
resource_addr(nvxx_device(device), 1);
args.limit = args.start + device->info.ram_user - 1;
} else {
args.target = NV_DMA_V0_TARGET_VRAM;
args.access = NV_DMA_V0_ACCESS_RDWR;
args.start = 0;
args.limit = device->info.ram_user - 1;
}
} else {
if (chan->drm->agp.bridge) {
args.target = NV_DMA_V0_TARGET_AGP;
args.access = NV_DMA_V0_ACCESS_RDWR;
args.start = chan->drm->agp.base;
args.limit = chan->drm->agp.base +
chan->drm->agp.size - 1;
} else {
args.target = NV_DMA_V0_TARGET_VM;
args.access = NV_DMA_V0_ACCESS_RDWR;
args.start = 0;
args.limit = mmu->limit - 1;
}
}
ret = nvif_object_init(&device->object, 0, NV_DMA_FROM_MEMORY,
&args, sizeof(args), &chan->push.ctxdma);
if (ret) {
nouveau_channel_del(pchan);
return ret;
}
return 0;
}
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;
}