int
nouveau_bar_create_(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, int length, void **pobject)
{
struct nouveau_device *device = nv_device(parent);
struct nouveau_bar *bar;
int ret;
ret = nouveau_subdev_create_(parent, engine, oclass, 0, "BARCTL",
"bar", length, pobject);
bar = *pobject;
if (ret)
return ret;
if (nv_device_resource_len(device, 3) != 0) {
bar->iomem = ioremap(nv_device_resource_start(device, 3),
nv_device_resource_len(device, 3));
if (!bar->iomem)
nv_warn(bar, "PRAMIN ioremap failed\n");
}
return 0;
}
static int
gf100_bar_ctor_vm(struct gf100_bar_priv *priv, struct gf100_bar_priv_vm *bar_vm,
int bar_nr)
{
struct nvkm_device *device = nv_device(&priv->base);
struct nvkm_vm *vm;
resource_size_t bar_len;
int ret;
ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0,
&bar_vm->mem);
if (ret)
return ret;
ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0,
&bar_vm->pgd);
if (ret)
return ret;
bar_len = nv_device_resource_len(device, bar_nr);
ret = nvkm_vm_new(device, 0, bar_len, 0, &vm);
if (ret)
return ret;
atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
/*
* Bootstrap page table lookup.
*/
if (bar_nr == 3) {
ret = nvkm_gpuobj_new(nv_object(priv), NULL,
(bar_len >> 12) * 8, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC,
&vm->pgt[0].obj[0]);
vm->pgt[0].refcount[0] = 1;
if (ret)
return ret;
}
static int
nv40_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_device *device = nv_device(parent);
struct nv04_instmem_priv *priv;
int ret, bar, vs;
ret = nouveau_instmem_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
/* map bar */
if (nv_device_resource_len(device, 2))
bar = 2;
else
bar = 3;
#ifdef __NetBSD__
priv->iomemt = nv_device_resource_tag(device, bar);
priv->iomemsz = nv_device_resource_len(device, bar);
ret = bus_space_map(priv->iomemt,
nv_device_resource_start(device, bar),
priv->iomemsz, 0, &priv->iomemh);
if (ret) {
priv->iomemsz = 0;
nv_error(priv, "unable to map PRAMIN BAR: %d\n", ret);
return -EFAULT;
}
#else
priv->iomem = ioremap(nv_device_resource_start(device, bar),
nv_device_resource_len(device, bar));
if (!priv->iomem) {
nv_error(priv, "unable to map PRAMIN BAR\n");
return -EFAULT;
}
#endif
/* PRAMIN aperture maps over the end of vram, reserve enough space
* to fit graphics contexts for every channel, the magics come
* from engine/graph/nv40.c
*/
vs = hweight8((nv_rd32(priv, 0x001540) & 0x0000ff00) >> 8);
if (device->chipset == 0x40) priv->base.reserved = 0x6aa0 * vs;
else if (device->chipset < 0x43) priv->base.reserved = 0x4f00 * vs;
else if (nv44_graph_class(priv)) priv->base.reserved = 0x4980 * vs;
else priv->base.reserved = 0x4a40 * vs;
priv->base.reserved += 16 * 1024;
priv->base.reserved *= 32; /* per-channel */
priv->base.reserved += 512 * 1024; /* pci(e)gart table */
priv->base.reserved += 512 * 1024; /* object storage */
priv->base.reserved = round_up(priv->base.reserved, 4096);
ret = nouveau_mm_init(&priv->heap, 0, priv->base.reserved, 1);
if (ret)
return ret;
/* 0x00000-0x10000: reserve for probable vbios image */
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x10000, 0, 0,
&priv->vbios);
if (ret)
return ret;
/* 0x10000-0x18000: reserve for RAMHT */
ret = nouveau_ramht_new(nv_object(priv), NULL, 0x08000, 0,
&priv->ramht);
if (ret)
return ret;
/* 0x18000-0x18200: reserve for RAMRO
* 0x18200-0x20000: padding
*/
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x08000, 0, 0,
&priv->ramro);
if (ret)
return ret;
/* 0x20000-0x21000: reserve for RAMFC
* 0x21000-0x40000: padding and some unknown crap
*/
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x20000, 0,
NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc);
if (ret)
return ret;
return 0;
}
static int
nv50_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_device *device = nv_device(parent);
struct nouveau_object *heap;
struct nouveau_vm *vm;
struct nv50_bar_priv *priv;
u64 start, limit;
int ret;
ret = nouveau_bar_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x20000, 0,
NVOBJ_FLAG_HEAP, &priv->mem);
heap = nv_object(priv->mem);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), heap,
(device->chipset == 0x50) ? 0x1400 : 0x0200,
0, 0, &priv->pad);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), heap, 0x4000, 0,
0, &priv->pgd);
if (ret)
return ret;
/* BAR3 */
start = 0x0100000000ULL;
limit = start + nv_device_resource_len(device, 3);
ret = nouveau_vm_new(device, start, limit, start, &vm);
if (ret)
return ret;
atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
ret = nouveau_gpuobj_new(nv_object(priv), heap,
((limit-- - start) >> 12) * 8, 0x1000,
NVOBJ_FLAG_ZERO_ALLOC, &vm->pgt[0].obj[0]);
vm->pgt[0].refcount[0] = 1;
if (ret)
return ret;
ret = nouveau_vm_ref(vm, &priv->bar3_vm, priv->pgd);
nouveau_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), heap, 24, 16, 0, &priv->bar3);
if (ret)
return ret;
nv_wo32(priv->bar3, 0x00, 0x7fc00000);
nv_wo32(priv->bar3, 0x04, lower_32_bits(limit));
nv_wo32(priv->bar3, 0x08, lower_32_bits(start));
nv_wo32(priv->bar3, 0x0c, upper_32_bits(limit) << 24 |
upper_32_bits(start));
nv_wo32(priv->bar3, 0x10, 0x00000000);
nv_wo32(priv->bar3, 0x14, 0x00000000);
/* BAR1 */
start = 0x0000000000ULL;
limit = start + nv_device_resource_len(device, 1);
ret = nouveau_vm_new(device, start, limit--, start, &vm);
if (ret)
return ret;
atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
ret = nouveau_vm_ref(vm, &priv->bar1_vm, priv->pgd);
nouveau_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), heap, 24, 16, 0, &priv->bar1);
if (ret)
return ret;
nv_wo32(priv->bar1, 0x00, 0x7fc00000);
nv_wo32(priv->bar1, 0x04, lower_32_bits(limit));
nv_wo32(priv->bar1, 0x08, lower_32_bits(start));
nv_wo32(priv->bar1, 0x0c, upper_32_bits(limit) << 24 |
upper_32_bits(start));
nv_wo32(priv->bar1, 0x10, 0x00000000);
nv_wo32(priv->bar1, 0x14, 0x00000000);
priv->base.alloc = nouveau_bar_alloc;
priv->base.kmap = nv50_bar_kmap;
priv->base.umap = nv50_bar_umap;
priv->base.unmap = nv50_bar_unmap;
if (device->chipset == 0x50)
priv->base.flush = nv50_bar_flush;
else
priv->base.flush = nv84_bar_flush;
spin_lock_init(&priv->lock);
return 0;
}
static int
nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_device *device = nv_device(parent);
struct nvc0_bar_priv *priv;
struct nouveau_gpuobj *mem;
struct nouveau_vm *vm;
int ret;
ret = nouveau_bar_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
/* BAR3 */
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0,
&priv->bar[0].mem);
mem = priv->bar[0].mem;
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0,
&priv->bar[0].pgd);
if (ret)
return ret;
ret = nouveau_vm_new(device, 0, nv_device_resource_len(device, 3), 0, &vm);
if (ret)
return ret;
atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
ret = nouveau_gpuobj_new(nv_object(priv), NULL,
(nv_device_resource_len(device, 3) >> 12) * 8,
0x1000, NVOBJ_FLAG_ZERO_ALLOC,
&vm->pgt[0].obj[0]);
vm->pgt[0].refcount[0] = 1;
if (ret)
return ret;
ret = nouveau_vm_ref(vm, &priv->bar[0].vm, priv->bar[0].pgd);
nouveau_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[0].pgd->addr));
nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[0].pgd->addr));
nv_wo32(mem, 0x0208, lower_32_bits(nv_device_resource_len(device, 3) - 1));
nv_wo32(mem, 0x020c, upper_32_bits(nv_device_resource_len(device, 3) - 1));
/* BAR1 */
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0,
&priv->bar[1].mem);
mem = priv->bar[1].mem;
if (ret)
return ret;
ret = nouveau_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0,
&priv->bar[1].pgd);
if (ret)
return ret;
ret = nouveau_vm_new(device, 0, nv_device_resource_len(device, 1), 0, &vm);
if (ret)
return ret;
atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
ret = nouveau_vm_ref(vm, &priv->bar[1].vm, priv->bar[1].pgd);
nouveau_vm_ref(NULL, &vm, NULL);
if (ret)
return ret;
nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[1].pgd->addr));
nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[1].pgd->addr));
nv_wo32(mem, 0x0208, lower_32_bits(nv_device_resource_len(device, 1) - 1));
nv_wo32(mem, 0x020c, upper_32_bits(nv_device_resource_len(device, 1) - 1));
priv->base.alloc = nouveau_bar_alloc;
priv->base.kmap = nvc0_bar_kmap;
priv->base.umap = nvc0_bar_umap;
priv->base.unmap = nvc0_bar_unmap;
priv->base.flush = nv84_bar_flush;
spin_lock_init(&priv->lock);
return 0;
}
