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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
*/
#include "nv04.h"
#include <core/ramht.h>
/******************************************************************************
* instmem object implementation
*****************************************************************************/
static u32
nv04_instobj_rd32(struct nvkm_object *object, u64 addr)
{
struct nv04_instmem *imem = (void *)nvkm_instmem(object);
struct nv04_instobj *node = (void *)object;
return nv_ro32(imem, node->mem->offset + addr);
}
static void
nv04_instobj_wr32(struct nvkm_object *object, u64 addr, u32 data)
{
struct nv04_instmem *imem = (void *)nvkm_instmem(object);
struct nv04_instobj *node = (void *)object;
nv_wo32(imem, node->mem->offset + addr, data);
}
static void
nv04_instobj_dtor(struct nvkm_object *object)
{
struct nv04_instmem *imem = (void *)nvkm_instmem(object);
struct nv04_instobj *node = (void *)object;
mutex_lock(&imem->base.subdev.mutex);
nvkm_mm_free(&imem->heap, &node->mem);
mutex_unlock(&imem->base.subdev.mutex);
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 *imem = (void *)nvkm_instmem(parent);
struct nv04_instobj *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;
mutex_lock(&imem->base.subdev.mutex);
ret = nvkm_mm_head(&imem->heap, 0, 1, args->size, args->size,
args->align, &node->mem);
mutex_unlock(&imem->base.subdev.mutex);
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)
{
struct nvkm_instmem *imem = (void *)object;
return nvkm_rd32(imem->subdev.device, 0x700000 + addr);
}
static void
nv04_instmem_wr32(struct nvkm_object *object, u64 addr, u32 data)
{
struct nvkm_instmem *imem = (void *)object;
nvkm_wr32(imem->subdev.device, 0x700000 + addr, data);
}
void
nv04_instmem_dtor(struct nvkm_object *object)
{
struct nv04_instmem *imem = (void *)object;
nvkm_gpuobj_ref(NULL, &imem->ramfc);
nvkm_gpuobj_ref(NULL, &imem->ramro);
nvkm_ramht_ref(NULL, &imem->ramht);
nvkm_gpuobj_ref(NULL, &imem->vbios);
nvkm_mm_fini(&imem->heap);
if (imem->iomem)
iounmap(imem->iomem);
nvkm_instmem_destroy(&imem->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 *imem;
int ret;
ret = nvkm_instmem_create(parent, engine, oclass, &imem);
*pobject = nv_object(imem);
if (ret)
return 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_gpuobj_new(nv_object(imem), NULL, 0x10000, 0, 0,
&imem->vbios);
if (ret)
return ret;
/* 0x10000-0x18000: reserve for RAMHT */
ret = nvkm_ramht_new(nv_object(imem), NULL, 0x08000, 0, &imem->ramht);
if (ret)
return ret;
/* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */
ret = nvkm_gpuobj_new(nv_object(imem), NULL, 0x00800, 0,
NVOBJ_FLAG_ZERO_ALLOC, &imem->ramfc);
if (ret)
return ret;
/* 0x18800-0x18a00: reserve for RAMRO */
ret = nvkm_gpuobj_new(nv_object(imem), NULL, 0x00200, 0, 0,
&imem->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;
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