--- /dev/null
+/*
+ * 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 "nv04.h"
+
+#include <core/ramht.h>
+
+/******************************************************************************
+ * instmem object implementation
+ *****************************************************************************/
+
+static u32
+nv04_instobj_rd32(struct nvkm_object *object, u64 addr)
+{
+ struct nv04_instmem_priv *priv = (void *)nvkm_instmem(object);
+ struct nv04_instobj_priv *node = (void *)object;
+ return nv_ro32(priv, node->mem->offset + addr);
+}
+
+static void
+nv04_instobj_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+ struct nv04_instmem_priv *priv = (void *)nvkm_instmem(object);
+ struct nv04_instobj_priv *node = (void *)object;
+ nv_wo32(priv, node->mem->offset + addr, data);
+}
+
+static void
+nv04_instobj_dtor(struct nvkm_object *object)
+{
+ struct nv04_instmem_priv *priv = (void *)nvkm_instmem(object);
+ struct nv04_instobj_priv *node = (void *)object;
+ nvkm_mm_free(&priv->heap, &node->mem);
+ nvkm_instobj_destroy(&node->base);
+}
+
+static int
+nv04_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nv04_instmem_priv *priv = (void *)nvkm_instmem(parent);
+ struct nv04_instobj_priv *node;
+ struct nvkm_instobj_args *args = data;
+ int ret;
+
+ if (!args->align)
+ args->align = 1;
+
+ ret = nvkm_instobj_create(parent, engine, oclass, &node);
+ *pobject = nv_object(node);
+ if (ret)
+ return ret;
+
+ ret = nvkm_mm_head(&priv->heap, 0, 1, args->size, args->size,
+ args->align, &node->mem);
+ if (ret)
+ return ret;
+
+ node->base.addr = node->mem->offset;
+ node->base.size = node->mem->length;
+ return 0;
+}
+
+struct nvkm_instobj_impl
+nv04_instobj_oclass = {
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv04_instobj_ctor,
+ .dtor = nv04_instobj_dtor,
+ .init = _nvkm_instobj_init,
+ .fini = _nvkm_instobj_fini,
+ .rd32 = nv04_instobj_rd32,
+ .wr32 = nv04_instobj_wr32,
+ },
+};
+
+/******************************************************************************
+ * instmem subdev implementation
+ *****************************************************************************/
+
+static u32
+nv04_instmem_rd32(struct nvkm_object *object, u64 addr)
+{
+ return nv_rd32(object, 0x700000 + addr);
+}
+
+static void
+nv04_instmem_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+ return nv_wr32(object, 0x700000 + addr, data);
+}
+
+void
+nv04_instmem_dtor(struct nvkm_object *object)
+{
+ struct nv04_instmem_priv *priv = (void *)object;
+ nvkm_gpuobj_ref(NULL, &priv->ramfc);
+ nvkm_gpuobj_ref(NULL, &priv->ramro);
+ nvkm_ramht_ref(NULL, &priv->ramht);
+ nvkm_gpuobj_ref(NULL, &priv->vbios);
+ nvkm_mm_fini(&priv->heap);
+ if (priv->iomem)
+ iounmap(priv->iomem);
+ nvkm_instmem_destroy(&priv->base);
+}
+
+static int
+nv04_instmem_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+ struct nvkm_oclass *oclass, void *data, u32 size,
+ struct nvkm_object **pobject)
+{
+ struct nv04_instmem_priv *priv;
+ int ret;
+
+ ret = nvkm_instmem_create(parent, engine, oclass, &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ /* PRAMIN aperture maps over the end of VRAM, reserve it */
+ priv->base.reserved = 512 * 1024;
+
+ ret = nvkm_mm_init(&priv->heap, 0, priv->base.reserved, 1);
+ if (ret)
+ return ret;
+
+ /* 0x00000-0x10000: reserve for probable vbios image */
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x10000, 0, 0,
+ &priv->vbios);
+ if (ret)
+ return ret;
+
+ /* 0x10000-0x18000: reserve for RAMHT */
+ ret = nvkm_ramht_new(nv_object(priv), NULL, 0x08000, 0, &priv->ramht);
+ if (ret)
+ return ret;
+
+ /* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x00800, 0,
+ NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc);
+ if (ret)
+ return ret;
+
+ /* 0x18800-0x18a00: reserve for RAMRO */
+ ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x00200, 0, 0,
+ &priv->ramro);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+struct nvkm_oclass *
+nv04_instmem_oclass = &(struct nvkm_instmem_impl) {
+ .base.handle = NV_SUBDEV(INSTMEM, 0x04),
+ .base.ofuncs = &(struct nvkm_ofuncs) {
+ .ctor = nv04_instmem_ctor,
+ .dtor = nv04_instmem_dtor,
+ .init = _nvkm_instmem_init,
+ .fini = _nvkm_instmem_fini,
+ .rd32 = nv04_instmem_rd32,
+ .wr32 = nv04_instmem_wr32,
+ },
+ .instobj = &nv04_instobj_oclass.base,
+}.base;
Code Review / kvmfornfv.git / blobdiff