231 lines
6.4 KiB
C
231 lines
6.4 KiB
C
/*
|
|
* 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;
|
|
}
|