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/*
* 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/memory.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, memory)
struct nv04_instobj {
struct nvkm_memory memory;
struct nv04_instmem *imem;
struct nvkm_mm_node *node;
};
static enum nvkm_memory_target
nv04_instobj_target(struct nvkm_memory *memory)
{
return NVKM_MEM_TARGET_INST;
}
static u64
nv04_instobj_addr(struct nvkm_memory *memory)
{
return nv04_instobj(memory)->node->offset;
}
static u64
nv04_instobj_size(struct nvkm_memory *memory)
{
return nv04_instobj(memory)->node->length;
}
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 void
nv04_instobj_release(struct nvkm_memory *memory)
{
}
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 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 void *
nv04_instobj_dtor(struct nvkm_memory *memory)
{
struct nv04_instobj *iobj = nv04_instobj(memory);
mutex_lock(&iobj->imem->base.subdev.mutex);
nvkm_mm_free(&iobj->imem->heap, &iobj->node);
mutex_unlock(&iobj->imem->base.subdev.mutex);
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,
.rd32 = nv04_instobj_rd32,
.wr32 = nv04_instobj_wr32,
};
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->memory;
nvkm_memory_ctor(&nv04_instobj_func, &iobj->memory);
iobj->imem = imem;
mutex_lock(&imem->base.subdev.mutex);
ret = nvkm_mm_head(&imem->heap, 0, 1, size, size,
align ? align : 1, &iobj->node);
mutex_unlock(&imem->base.subdev.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, 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_del(&imem->base.ramfc);
nvkm_memory_del(&imem->base.ramro);
nvkm_ramht_del(&imem->base.ramht);
nvkm_memory_del(&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,
.persistent = false,
.zero = false,
};
int
nv04_instmem_new(struct nvkm_device *device, int index,
struct nvkm_instmem **pimem)
{
struct nv04_instmem *imem;
if (!(imem = kzalloc(sizeof(*imem), GFP_KERNEL)))
return -ENOMEM;
nvkm_instmem_ctor(&nv04_instmem, device, index, &imem->base);
*pimem = &imem->base;
return 0;
}
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