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-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild4
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c144
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c219
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c50
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c271
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h30
6 files changed, 718 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild
new file mode 100644
index 000000000..1ab554a0b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/Kbuild
@@ -0,0 +1,4 @@
+nvkm-y += nvkm/subdev/bar/base.o
+nvkm-y += nvkm/subdev/bar/nv50.o
+nvkm-y += nvkm/subdev/bar/gf100.o
+nvkm-y += nvkm/subdev/bar/gk20a.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c
new file mode 100644
index 000000000..3502d0012
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/base.c
@@ -0,0 +1,144 @@
+/*
+ * 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 "priv.h"
+
+#include <core/device.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+
+struct nvkm_barobj {
+ struct nvkm_object base;
+ struct nvkm_vma vma;
+ void __iomem *iomem;
+};
+
+static int
+nvkm_barobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_device *device = nv_device(parent);
+ struct nvkm_bar *bar = nvkm_bar(device);
+ struct nvkm_mem *mem = data;
+ struct nvkm_barobj *barobj;
+ int ret;
+
+ ret = nvkm_object_create(parent, engine, oclass, 0, &barobj);
+ *pobject = nv_object(barobj);
+ if (ret)
+ return ret;
+
+ ret = bar->kmap(bar, mem, NV_MEM_ACCESS_RW, &barobj->vma);
+ if (ret)
+ return ret;
+
+ barobj->iomem = ioremap(nv_device_resource_start(device, 3) +
+ (u32)barobj->vma.offset, mem->size << 12);
+ if (!barobj->iomem) {
+ nv_warn(bar, "PRAMIN ioremap failed\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void
+nvkm_barobj_dtor(struct nvkm_object *object)
+{
+ struct nvkm_bar *bar = nvkm_bar(object);
+ struct nvkm_barobj *barobj = (void *)object;
+ if (barobj->vma.node) {
+ if (barobj->iomem)
+ iounmap(barobj->iomem);
+ bar->unmap(bar, &barobj->vma);
+ }
+ nvkm_object_destroy(&barobj->base);
+}
+
+static u32
+nvkm_barobj_rd32(struct nvkm_object *object, u64 addr)
+{
+ struct nvkm_barobj *barobj = (void *)object;
+ return ioread32_native(barobj->iomem + addr);
+}
+
+static void
+nvkm_barobj_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+ struct nvkm_barobj *barobj = (void *)object;
+ iowrite32_native(data, barobj->iomem + addr);
+}
+
+static struct nvkm_oclass
+nvkm_barobj_oclass = {
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nvkm_barobj_ctor,
+ .dtor = nvkm_barobj_dtor,
+ .init = nvkm_object_init,
+ .fini = nvkm_object_fini,
+ .rd32 = nvkm_barobj_rd32,
+ .wr32 = nvkm_barobj_wr32,
+ },
+};
+
+int
+nvkm_bar_alloc(struct nvkm_bar *bar, struct nvkm_object *parent,
+ struct nvkm_mem *mem, struct nvkm_object **pobject)
+{
+ struct nvkm_object *gpuobj;
+ int ret = nvkm_object_ctor(parent, &parent->engine->subdev.object,
+ &nvkm_barobj_oclass, mem, 0, &gpuobj);
+ if (ret == 0)
+ *pobject = gpuobj;
+ return ret;
+}
+
+int
+nvkm_bar_create_(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, int length, void **pobject)
+{
+ struct nvkm_bar *bar;
+ int ret;
+
+ ret = nvkm_subdev_create_(parent, engine, oclass, 0, "BARCTL",
+ "bar", length, pobject);
+ bar = *pobject;
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+void
+nvkm_bar_destroy(struct nvkm_bar *bar)
+{
+ nvkm_subdev_destroy(&bar->base);
+}
+
+void
+_nvkm_bar_dtor(struct nvkm_object *object)
+{
+ struct nvkm_bar *bar = (void *)object;
+ nvkm_bar_destroy(bar);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
new file mode 100644
index 000000000..12a1aebd9
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c
@@ -0,0 +1,219 @@
+/*
+ * 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 "priv.h"
+
+#include <core/device.h>
+#include <core/gpuobj.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+
+struct gf100_bar_priv_vm {
+ struct nvkm_gpuobj *mem;
+ struct nvkm_gpuobj *pgd;
+ struct nvkm_vm *vm;
+};
+
+struct gf100_bar_priv {
+ struct nvkm_bar base;
+ spinlock_t lock;
+ struct gf100_bar_priv_vm bar[2];
+};
+
+static int
+gf100_bar_kmap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
+ struct nvkm_vma *vma)
+{
+ struct gf100_bar_priv *priv = (void *)bar;
+ int ret;
+
+ ret = nvkm_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma);
+ if (ret)
+ return ret;
+
+ nvkm_vm_map(vma, mem);
+ return 0;
+}
+
+static int
+gf100_bar_umap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
+ struct nvkm_vma *vma)
+{
+ struct gf100_bar_priv *priv = (void *)bar;
+ int ret;
+
+ ret = nvkm_vm_get(priv->bar[1].vm, mem->size << 12,
+ mem->page_shift, flags, vma);
+ if (ret)
+ return ret;
+
+ nvkm_vm_map(vma, mem);
+ return 0;
+}
+
+static void
+gf100_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma)
+{
+ nvkm_vm_unmap(vma);
+ nvkm_vm_put(vma);
+}
+
+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;
+ }
+
+ ret = nvkm_vm_ref(vm, &bar_vm->vm, bar_vm->pgd);
+ nvkm_vm_ref(NULL, &vm, NULL);
+ if (ret)
+ return ret;
+
+ nv_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr));
+ nv_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr));
+ nv_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1));
+ nv_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1));
+ return 0;
+}
+
+int
+gf100_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_device *device = nv_device(parent);
+ struct gf100_bar_priv *priv;
+ bool has_bar3 = nv_device_resource_len(device, 3) != 0;
+ int ret;
+
+ ret = nvkm_bar_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ /* BAR3 */
+ if (has_bar3) {
+ ret = gf100_bar_ctor_vm(priv, &priv->bar[0], 3);
+ if (ret)
+ return ret;
+ }
+
+ /* BAR1 */
+ ret = gf100_bar_ctor_vm(priv, &priv->bar[1], 1);
+ if (ret)
+ return ret;
+
+ if (has_bar3) {
+ priv->base.alloc = nvkm_bar_alloc;
+ priv->base.kmap = gf100_bar_kmap;
+ }
+ priv->base.umap = gf100_bar_umap;
+ priv->base.unmap = gf100_bar_unmap;
+ priv->base.flush = g84_bar_flush;
+ spin_lock_init(&priv->lock);
+ return 0;
+}
+
+void
+gf100_bar_dtor(struct nvkm_object *object)
+{
+ struct gf100_bar_priv *priv = (void *)object;
+
+ nvkm_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd);
+ nvkm_gpuobj_ref(NULL, &priv->bar[1].pgd);
+ nvkm_gpuobj_ref(NULL, &priv->bar[1].mem);
+
+ if (priv->bar[0].vm) {
+ nvkm_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]);
+ nvkm_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd);
+ }
+ nvkm_gpuobj_ref(NULL, &priv->bar[0].pgd);
+ nvkm_gpuobj_ref(NULL, &priv->bar[0].mem);
+
+ nvkm_bar_destroy(&priv->base);
+}
+
+int
+gf100_bar_init(struct nvkm_object *object)
+{
+ struct gf100_bar_priv *priv = (void *)object;
+ int ret;
+
+ ret = nvkm_bar_init(&priv->base);
+ if (ret)
+ return ret;
+
+ nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
+ nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
+
+ nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12);
+ if (priv->bar[0].mem)
+ nv_wr32(priv, 0x001714,
+ 0xc0000000 | priv->bar[0].mem->addr >> 12);
+ return 0;
+}
+
+struct nvkm_oclass
+gf100_bar_oclass = {
+ .handle = NV_SUBDEV(BAR, 0xc0),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gf100_bar_ctor,
+ .dtor = gf100_bar_dtor,
+ .init = gf100_bar_init,
+ .fini = _nvkm_bar_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c
new file mode 100644
index 000000000..148f739a2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gk20a.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#include "priv.h"
+
+int
+gk20a_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_bar *bar;
+ int ret;
+
+ ret = gf100_bar_ctor(parent, engine, oclass, data, size, pobject);
+ if (ret)
+ return ret;
+
+ bar = (struct nvkm_bar *)*pobject;
+ bar->iomap_uncached = true;
+ return 0;
+}
+
+struct nvkm_oclass
+gk20a_bar_oclass = {
+ .handle = NV_SUBDEV(BAR, 0xea),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = gk20a_bar_ctor,
+ .dtor = gf100_bar_dtor,
+ .init = gf100_bar_init,
+ .fini = _nvkm_bar_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
new file mode 100644
index 000000000..8548adb91
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
@@ -0,0 +1,271 @@
+/*
+ * 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 "priv.h"
+
+#include <core/device.h>
+#include <core/gpuobj.h>
+#include <subdev/fb.h>
+#include <subdev/mmu.h>
+#include <subdev/timer.h>
+
+struct nv50_bar_priv {
+ struct nvkm_bar base;
+ spinlock_t lock;
+ struct nvkm_gpuobj *mem;
+ struct nvkm_gpuobj *pad;
+ struct nvkm_gpuobj *pgd;
+ struct nvkm_vm *bar1_vm;
+ struct nvkm_gpuobj *bar1;
+ struct nvkm_vm *bar3_vm;
+ struct nvkm_gpuobj *bar3;
+};
+
+static int
+nv50_bar_kmap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
+ struct nvkm_vma *vma)
+{
+ struct nv50_bar_priv *priv = (void *)bar;
+ int ret;
+
+ ret = nvkm_vm_get(priv->bar3_vm, mem->size << 12, 12, flags, vma);
+ if (ret)
+ return ret;
+
+ nvkm_vm_map(vma, mem);
+ return 0;
+}
+
+static int
+nv50_bar_umap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags,
+ struct nvkm_vma *vma)
+{
+ struct nv50_bar_priv *priv = (void *)bar;
+ int ret;
+
+ ret = nvkm_vm_get(priv->bar1_vm, mem->size << 12, 12, flags, vma);
+ if (ret)
+ return ret;
+
+ nvkm_vm_map(vma, mem);
+ return 0;
+}
+
+static void
+nv50_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma)
+{
+ nvkm_vm_unmap(vma);
+ nvkm_vm_put(vma);
+}
+
+static void
+nv50_bar_flush(struct nvkm_bar *bar)
+{
+ struct nv50_bar_priv *priv = (void *)bar;
+ unsigned long flags;
+ spin_lock_irqsave(&priv->lock, flags);
+ nv_wr32(priv, 0x00330c, 0x00000001);
+ if (!nv_wait(priv, 0x00330c, 0x00000002, 0x00000000))
+ nv_warn(priv, "flush timeout\n");
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+void
+g84_bar_flush(struct nvkm_bar *bar)
+{
+ struct nv50_bar_priv *priv = (void *)bar;
+ unsigned long flags;
+ spin_lock_irqsave(&priv->lock, flags);
+ nv_wr32(bar, 0x070000, 0x00000001);
+ if (!nv_wait(priv, 0x070000, 0x00000002, 0x00000000))
+ nv_warn(priv, "flush timeout\n");
+ spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+static int
+nv50_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nvkm_device *device = nv_device(parent);
+ struct nvkm_object *heap;
+ struct nvkm_vm *vm;
+ struct nv50_bar_priv *priv;
+ u64 start, limit;
+ int ret;
+
+ ret = nvkm_bar_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x20000, 0,
+ NVOBJ_FLAG_HEAP, &priv->mem);
+ heap = nv_object(priv->mem);
+ if (ret)
+ return ret;
+
+ ret = nvkm_gpuobj_new(nv_object(priv), heap,
+ (device->chipset == 0x50) ? 0x1400 : 0x0200,
+ 0, 0, &priv->pad);
+ if (ret)
+ return ret;
+
+ ret = nvkm_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 = nvkm_vm_new(device, start, limit, start, &vm);
+ if (ret)
+ return ret;
+
+ atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
+
+ ret = nvkm_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 = nvkm_vm_ref(vm, &priv->bar3_vm, priv->pgd);
+ nvkm_vm_ref(NULL, &vm, NULL);
+ if (ret)
+ return ret;
+
+ ret = nvkm_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 = nvkm_vm_new(device, start, limit--, start, &vm);
+ if (ret)
+ return ret;
+
+ atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]);
+
+ ret = nvkm_vm_ref(vm, &priv->bar1_vm, priv->pgd);
+ nvkm_vm_ref(NULL, &vm, NULL);
+ if (ret)
+ return ret;
+
+ ret = nvkm_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 = nvkm_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 = g84_bar_flush;
+ spin_lock_init(&priv->lock);
+ return 0;
+}
+
+static void
+nv50_bar_dtor(struct nvkm_object *object)
+{
+ struct nv50_bar_priv *priv = (void *)object;
+ nvkm_gpuobj_ref(NULL, &priv->bar1);
+ nvkm_vm_ref(NULL, &priv->bar1_vm, priv->pgd);
+ nvkm_gpuobj_ref(NULL, &priv->bar3);
+ if (priv->bar3_vm) {
+ nvkm_gpuobj_ref(NULL, &priv->bar3_vm->pgt[0].obj[0]);
+ nvkm_vm_ref(NULL, &priv->bar3_vm, priv->pgd);
+ }
+ nvkm_gpuobj_ref(NULL, &priv->pgd);
+ nvkm_gpuobj_ref(NULL, &priv->pad);
+ nvkm_gpuobj_ref(NULL, &priv->mem);
+ nvkm_bar_destroy(&priv->base);
+}
+
+static int
+nv50_bar_init(struct nvkm_object *object)
+{
+ struct nv50_bar_priv *priv = (void *)object;
+ int ret, i;
+
+ ret = nvkm_bar_init(&priv->base);
+ if (ret)
+ return ret;
+
+ nv_mask(priv, 0x000200, 0x00000100, 0x00000000);
+ nv_mask(priv, 0x000200, 0x00000100, 0x00000100);
+ nv_wr32(priv, 0x100c80, 0x00060001);
+ if (!nv_wait(priv, 0x100c80, 0x00000001, 0x00000000)) {
+ nv_error(priv, "vm flush timeout\n");
+ return -EBUSY;
+ }
+
+ nv_wr32(priv, 0x001704, 0x00000000 | priv->mem->addr >> 12);
+ nv_wr32(priv, 0x001704, 0x40000000 | priv->mem->addr >> 12);
+ nv_wr32(priv, 0x001708, 0x80000000 | priv->bar1->node->offset >> 4);
+ nv_wr32(priv, 0x00170c, 0x80000000 | priv->bar3->node->offset >> 4);
+ for (i = 0; i < 8; i++)
+ nv_wr32(priv, 0x001900 + (i * 4), 0x00000000);
+ return 0;
+}
+
+static int
+nv50_bar_fini(struct nvkm_object *object, bool suspend)
+{
+ struct nv50_bar_priv *priv = (void *)object;
+ return nvkm_bar_fini(&priv->base, suspend);
+}
+
+struct nvkm_oclass
+nv50_bar_oclass = {
+ .handle = NV_SUBDEV(BAR, 0x50),
+ .ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv50_bar_ctor,
+ .dtor = nv50_bar_dtor,
+ .init = nv50_bar_init,
+ .fini = nv50_bar_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
new file mode 100644
index 000000000..aa85f61b4
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h
@@ -0,0 +1,30 @@
+#ifndef __NVKM_BAR_PRIV_H__
+#define __NVKM_BAR_PRIV_H__
+#include <subdev/bar.h>
+
+#define nvkm_bar_create(p,e,o,d) \
+ nvkm_bar_create_((p), (e), (o), sizeof(**d), (void **)d)
+#define nvkm_bar_init(p) \
+ nvkm_subdev_init(&(p)->base)
+#define nvkm_bar_fini(p,s) \
+ nvkm_subdev_fini(&(p)->base, (s))
+
+int nvkm_bar_create_(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, int, void **);
+void nvkm_bar_destroy(struct nvkm_bar *);
+
+void _nvkm_bar_dtor(struct nvkm_object *);
+#define _nvkm_bar_init _nvkm_subdev_init
+#define _nvkm_bar_fini _nvkm_subdev_fini
+
+int nvkm_bar_alloc(struct nvkm_bar *, struct nvkm_object *,
+ struct nvkm_mem *, struct nvkm_object **);
+
+void g84_bar_flush(struct nvkm_bar *);
+
+int gf100_bar_ctor(struct nvkm_object *, struct nvkm_object *,
+ struct nvkm_oclass *, void *, u32,
+ struct nvkm_object **);
+void gf100_bar_dtor(struct nvkm_object *);
+int gf100_bar_init(struct nvkm_object *);
+#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 15:01:55 +0000