| /* |
| * 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 <subdev/fb.h> |
| |
| #include "nv04.h" |
| |
| static int |
| nv04_instobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv04_instmem_priv *priv = (void *)engine; |
| struct nv04_instobj_priv *node; |
| int ret, align; |
| |
| align = (unsigned long)data; |
| if (!align) |
| align = 1; |
| |
| ret = nouveau_instobj_create(parent, engine, oclass, &node); |
| *pobject = nv_object(node); |
| if (ret) |
| return ret; |
| |
| ret = nouveau_mm_head(&priv->heap, 1, size, size, align, &node->mem); |
| if (ret) |
| return ret; |
| |
| node->base.addr = node->mem->offset; |
| node->base.size = node->mem->length; |
| return 0; |
| } |
| |
| static void |
| nv04_instobj_dtor(struct nouveau_object *object) |
| { |
| struct nv04_instmem_priv *priv = (void *)object->engine; |
| struct nv04_instobj_priv *node = (void *)object; |
| nouveau_mm_free(&priv->heap, &node->mem); |
| nouveau_instobj_destroy(&node->base); |
| } |
| |
| static u32 |
| nv04_instobj_rd32(struct nouveau_object *object, u32 addr) |
| { |
| struct nv04_instobj_priv *node = (void *)object; |
| return nv_ro32(object->engine, node->mem->offset + addr); |
| } |
| |
| static void |
| nv04_instobj_wr32(struct nouveau_object *object, u32 addr, u32 data) |
| { |
| struct nv04_instobj_priv *node = (void *)object; |
| nv_wo32(object->engine, node->mem->offset + addr, data); |
| } |
| |
| static struct nouveau_oclass |
| nv04_instobj_oclass = { |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv04_instobj_ctor, |
| .dtor = nv04_instobj_dtor, |
| .init = _nouveau_instobj_init, |
| .fini = _nouveau_instobj_fini, |
| .rd32 = nv04_instobj_rd32, |
| .wr32 = nv04_instobj_wr32, |
| }, |
| }; |
| |
| int |
| nv04_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent, |
| u32 size, u32 align, struct nouveau_object **pobject) |
| { |
| struct nouveau_object *engine = nv_object(imem); |
| struct nv04_instmem_priv *priv = (void *)(imem); |
| int ret; |
| |
| ret = nouveau_object_ctor(parent, engine, &nv04_instobj_oclass, |
| (void *)(unsigned long)align, size, pobject); |
| if (ret) |
| return ret; |
| |
| /* INSTMEM itself creates objects to reserve (and preserve across |
| * suspend/resume) various fixed data locations, each one of these |
| * takes a reference on INSTMEM itself, causing it to never be |
| * freed. We drop all the self-references here to avoid this. |
| */ |
| if (unlikely(!priv->created)) |
| atomic_dec(&engine->refcount); |
| |
| return 0; |
| } |
| |
| static int |
| nv04_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv04_instmem_priv *priv; |
| int ret; |
| |
| ret = nouveau_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; |
| priv->base.alloc = nv04_instmem_alloc; |
| |
| 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(parent, NULL, 0x10000, 0, 0, &priv->vbios); |
| if (ret) |
| return ret; |
| |
| /* 0x10000-0x18000: reserve for RAMHT */ |
| ret = nouveau_ramht_new(parent, NULL, 0x08000, 0, &priv->ramht); |
| if (ret) |
| return ret; |
| |
| /* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */ |
| ret = nouveau_gpuobj_new(parent, NULL, 0x00800, 0, |
| NVOBJ_FLAG_ZERO_ALLOC, &priv->ramfc); |
| if (ret) |
| return ret; |
| |
| /* 0x18800-0x18a00: reserve for RAMRO */ |
| ret = nouveau_gpuobj_new(parent, NULL, 0x00200, 0, 0, &priv->ramro); |
| if (ret) |
| return ret; |
| |
| priv->created = true; |
| return 0; |
| } |
| |
| void |
| nv04_instmem_dtor(struct nouveau_object *object) |
| { |
| struct nv04_instmem_priv *priv = (void *)object; |
| nouveau_gpuobj_ref(NULL, &priv->ramfc); |
| nouveau_gpuobj_ref(NULL, &priv->ramro); |
| nouveau_ramht_ref(NULL, &priv->ramht); |
| nouveau_gpuobj_ref(NULL, &priv->vbios); |
| nouveau_mm_fini(&priv->heap); |
| if (priv->iomem) |
| iounmap(priv->iomem); |
| nouveau_instmem_destroy(&priv->base); |
| } |
| |
| static u32 |
| nv04_instmem_rd32(struct nouveau_object *object, u32 addr) |
| { |
| return nv_rd32(object, 0x700000 + addr); |
| } |
| |
| static void |
| nv04_instmem_wr32(struct nouveau_object *object, u32 addr, u32 data) |
| { |
| return nv_wr32(object, 0x700000 + addr, data); |
| } |
| |
| struct nouveau_oclass |
| nv04_instmem_oclass = { |
| .handle = NV_SUBDEV(INSTMEM, 0x04), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv04_instmem_ctor, |
| .dtor = nv04_instmem_dtor, |
| .init = _nouveau_instmem_init, |
| .fini = _nouveau_instmem_fini, |
| .rd32 = nv04_instmem_rd32, |
| .wr32 = nv04_instmem_wr32, |
| }, |
| }; |