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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 "priv.h"
#include <subdev/bios.h>
#include <subdev/bios/M0203.h>
int
nvkm_fb_bios_memtype(struct nvkm_bios *bios)
{
const u8 ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2;
struct nvbios_M0203E M0203E;
u8 ver, hdr;
if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {
switch (M0203E.type) {
case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2;
case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3;
case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3;
case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5;
default:
nv_warn(bios, "M0203E type %02x\n", M0203E.type);
return NV_MEM_TYPE_UNKNOWN;
}
}
nv_warn(bios, "M0203E not matched!\n");
return NV_MEM_TYPE_UNKNOWN;
}
int
_nvkm_fb_fini(struct nvkm_object *object, bool suspend)
{
struct nvkm_fb *pfb = (void *)object;
int ret;
if (pfb->ram) {
ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend);
if (ret && suspend)
return ret;
}
return nvkm_subdev_fini(&pfb->base, suspend);
}
int
_nvkm_fb_init(struct nvkm_object *object)
{
struct nvkm_fb *pfb = (void *)object;
int ret, i;
ret = nvkm_subdev_init(&pfb->base);
if (ret)
return ret;
if (pfb->ram) {
ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram));
if (ret)
return ret;
}
for (i = 0; i < pfb->tile.regions; i++)
pfb->tile.prog(pfb, i, &pfb->tile.region[i]);
return 0;
}
void
_nvkm_fb_dtor(struct nvkm_object *object)
{
struct nvkm_fb *pfb = (void *)object;
int i;
for (i = 0; i < pfb->tile.regions; i++)
pfb->tile.fini(pfb, i, &pfb->tile.region[i]);
nvkm_mm_fini(&pfb->tags);
if (pfb->ram) {
nvkm_mm_fini(&pfb->vram);
nvkm_object_ref(NULL, (struct nvkm_object **)&pfb->ram);
}
nvkm_subdev_destroy(&pfb->base);
}
int
nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, int length, void **pobject)
{
struct nvkm_fb_impl *impl = (void *)oclass;
static const char *name[] = {
[NV_MEM_TYPE_UNKNOWN] = "unknown",
[NV_MEM_TYPE_STOLEN ] = "stolen system memory",
[NV_MEM_TYPE_SGRAM ] = "SGRAM",
[NV_MEM_TYPE_SDRAM ] = "SDRAM",
[NV_MEM_TYPE_DDR1 ] = "DDR1",
[NV_MEM_TYPE_DDR2 ] = "DDR2",
[NV_MEM_TYPE_DDR3 ] = "DDR3",
[NV_MEM_TYPE_GDDR2 ] = "GDDR2",
[NV_MEM_TYPE_GDDR3 ] = "GDDR3",
[NV_MEM_TYPE_GDDR4 ] = "GDDR4",
[NV_MEM_TYPE_GDDR5 ] = "GDDR5",
};
struct nvkm_object *ram;
struct nvkm_fb *pfb;
int ret;
ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb",
length, pobject);
pfb = *pobject;
if (ret)
return ret;
pfb->memtype_valid = impl->memtype;
if (!impl->ram)
return 0;
ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram);
if (ret) {
nv_fatal(pfb, "error detecting memory configuration!!\n");
return ret;
}
pfb->ram = (void *)ram;
if (!nvkm_mm_initialised(&pfb->vram)) {
ret = nvkm_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1);
if (ret)
return ret;
}
if (!nvkm_mm_initialised(&pfb->tags)) {
ret = nvkm_mm_init(&pfb->tags, 0, pfb->ram->tags ?
++pfb->ram->tags : 0, 1);
if (ret)
return ret;
}
nv_info(pfb, "RAM type: %s\n", name[pfb->ram->type]);
nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram->size >> 20));
nv_info(pfb, " ZCOMP: %d tags\n", pfb->ram->tags);
return 0;
}
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