| /* |
| * 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 |
| */ |
| #define nv04_instmem(p) container_of((p), struct nv04_instmem, base) |
| #include "priv.h" |
| |
| #include <core/ramht.h> |
| |
| struct nv04_instmem { |
| struct nvkm_instmem base; |
| struct nvkm_mm heap; |
| }; |
| |
| /****************************************************************************** |
| * instmem object implementation |
| *****************************************************************************/ |
| #define nv04_instobj(p) container_of((p), struct nv04_instobj, base.memory) |
| |
| struct nv04_instobj { |
| struct nvkm_instobj base; |
| struct nv04_instmem *imem; |
| struct nvkm_mm_node *node; |
| }; |
| |
| static void |
| nv04_instobj_wr32(struct nvkm_memory *memory, u64 offset, u32 data) |
| { |
| struct nv04_instobj *iobj = nv04_instobj(memory); |
| struct nvkm_device *device = iobj->imem->base.subdev.device; |
| nvkm_wr32(device, 0x700000 + iobj->node->offset + offset, data); |
| } |
| |
| static u32 |
| nv04_instobj_rd32(struct nvkm_memory *memory, u64 offset) |
| { |
| struct nv04_instobj *iobj = nv04_instobj(memory); |
| struct nvkm_device *device = iobj->imem->base.subdev.device; |
| return nvkm_rd32(device, 0x700000 + iobj->node->offset + offset); |
| } |
| |
| static const struct nvkm_memory_ptrs |
| nv04_instobj_ptrs = { |
| .rd32 = nv04_instobj_rd32, |
| .wr32 = nv04_instobj_wr32, |
| }; |
| |
| static void |
| nv04_instobj_release(struct nvkm_memory *memory) |
| { |
| } |
| |
| static void __iomem * |
| nv04_instobj_acquire(struct nvkm_memory *memory) |
| { |
| struct nv04_instobj *iobj = nv04_instobj(memory); |
| struct nvkm_device *device = iobj->imem->base.subdev.device; |
| return device->pri + 0x700000 + iobj->node->offset; |
| } |
| |
| static u64 |
| nv04_instobj_size(struct nvkm_memory *memory) |
| { |
| return nv04_instobj(memory)->node->length; |
| } |
| |
| static u64 |
| nv04_instobj_addr(struct nvkm_memory *memory) |
| { |
| return nv04_instobj(memory)->node->offset; |
| } |
| |
| static enum nvkm_memory_target |
| nv04_instobj_target(struct nvkm_memory *memory) |
| { |
| return NVKM_MEM_TARGET_INST; |
| } |
| |
| static void * |
| nv04_instobj_dtor(struct nvkm_memory *memory) |
| { |
| struct nv04_instobj *iobj = nv04_instobj(memory); |
| mutex_lock(&iobj->imem->base.mutex); |
| nvkm_mm_free(&iobj->imem->heap, &iobj->node); |
| mutex_unlock(&iobj->imem->base.mutex); |
| nvkm_instobj_dtor(&iobj->imem->base, &iobj->base); |
| return iobj; |
| } |
| |
| static const struct nvkm_memory_func |
| nv04_instobj_func = { |
| .dtor = nv04_instobj_dtor, |
| .target = nv04_instobj_target, |
| .size = nv04_instobj_size, |
| .addr = nv04_instobj_addr, |
| .acquire = nv04_instobj_acquire, |
| .release = nv04_instobj_release, |
| }; |
| |
| static int |
| nv04_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero, |
| struct nvkm_memory **pmemory) |
| { |
| struct nv04_instmem *imem = nv04_instmem(base); |
| struct nv04_instobj *iobj; |
| int ret; |
| |
| if (!(iobj = kzalloc(sizeof(*iobj), GFP_KERNEL))) |
| return -ENOMEM; |
| *pmemory = &iobj->base.memory; |
| |
| nvkm_instobj_ctor(&nv04_instobj_func, &imem->base, &iobj->base); |
| iobj->base.memory.ptrs = &nv04_instobj_ptrs; |
| iobj->imem = imem; |
| |
| mutex_lock(&imem->base.mutex); |
| ret = nvkm_mm_head(&imem->heap, 0, 1, size, size, align ? align : 1, &iobj->node); |
| mutex_unlock(&imem->base.mutex); |
| return ret; |
| } |
| |
| /****************************************************************************** |
| * instmem subdev implementation |
| *****************************************************************************/ |
| |
| static u32 |
| nv04_instmem_rd32(struct nvkm_instmem *imem, u32 addr) |
| { |
| return nvkm_rd32(imem->subdev.device, 0x700000 + addr); |
| } |
| |
| static void |
| nv04_instmem_wr32(struct nvkm_instmem *imem, u32 addr, u32 data) |
| { |
| nvkm_wr32(imem->subdev.device, 0x700000 + addr, data); |
| } |
| |
| static int |
| nv04_instmem_oneinit(struct nvkm_instmem *base) |
| { |
| struct nv04_instmem *imem = nv04_instmem(base); |
| struct nvkm_device *device = imem->base.subdev.device; |
| int ret; |
| |
| /* PRAMIN aperture maps over the end of VRAM, reserve it */ |
| imem->base.reserved = 512 * 1024; |
| |
| ret = nvkm_mm_init(&imem->heap, 0, 0, imem->base.reserved, 1); |
| if (ret) |
| return ret; |
| |
| /* 0x00000-0x10000: reserve for probable vbios image */ |
| ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x10000, 0, false, |
| &imem->base.vbios); |
| if (ret) |
| return ret; |
| |
| /* 0x10000-0x18000: reserve for RAMHT */ |
| ret = nvkm_ramht_new(device, 0x08000, 0, NULL, &imem->base.ramht); |
| if (ret) |
| return ret; |
| |
| /* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */ |
| ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x00800, 0, true, |
| &imem->base.ramfc); |
| if (ret) |
| return ret; |
| |
| /* 0x18800-0x18a00: reserve for RAMRO */ |
| ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x00200, 0, false, |
| &imem->base.ramro); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static void * |
| nv04_instmem_dtor(struct nvkm_instmem *base) |
| { |
| struct nv04_instmem *imem = nv04_instmem(base); |
| nvkm_memory_unref(&imem->base.ramfc); |
| nvkm_memory_unref(&imem->base.ramro); |
| nvkm_ramht_del(&imem->base.ramht); |
| nvkm_memory_unref(&imem->base.vbios); |
| nvkm_mm_fini(&imem->heap); |
| return imem; |
| } |
| |
| static const struct nvkm_instmem_func |
| nv04_instmem = { |
| .dtor = nv04_instmem_dtor, |
| .oneinit = nv04_instmem_oneinit, |
| .rd32 = nv04_instmem_rd32, |
| .wr32 = nv04_instmem_wr32, |
| .memory_new = nv04_instobj_new, |
| .zero = false, |
| }; |
| |
| int |
| nv04_instmem_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, |
| struct nvkm_instmem **pimem) |
| { |
| struct nv04_instmem *imem; |
| |
| if (!(imem = kzalloc(sizeof(*imem), GFP_KERNEL))) |
| return -ENOMEM; |
| nvkm_instmem_ctor(&nv04_instmem, device, type, inst, &imem->base); |
| *pimem = &imem->base; |
| return 0; |
| } |