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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 "ram.h"
#include <subdev/bios.h>
#include <subdev/bios/M0203.h>
int
nvkm_fb_bios_memtype(struct nvkm_bios *bios)
{
struct nvkm_subdev *subdev = &bios->subdev;
struct nvkm_device *device = subdev->device;
const u8 ramcfg = (nvkm_rd32(device, 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 NVKM_RAM_TYPE_DDR2;
case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;
case M0203E_TYPE_GDDR3: return NVKM_RAM_TYPE_GDDR3;
case M0203E_TYPE_GDDR5: return NVKM_RAM_TYPE_GDDR5;
default:
nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);
return NVKM_RAM_TYPE_UNKNOWN;
}
}
nvkm_warn(subdev, "M0203E not matched!\n");
return NVKM_RAM_TYPE_UNKNOWN;
}
int
_nvkm_fb_fini(struct nvkm_object *object, bool suspend)
{
struct nvkm_fb *fb = (void *)object;
return nvkm_subdev_fini_old(&fb->subdev, suspend);
}
int
_nvkm_fb_init(struct nvkm_object *object)
{
struct nvkm_fb *fb = (void *)object;
int ret, i;
ret = nvkm_subdev_init_old(&fb->subdev);
if (ret)
return ret;
if (fb->ram)
nvkm_ram_init(fb->ram);
for (i = 0; i < fb->tile.regions; i++)
fb->tile.prog(fb, i, &fb->tile.region[i]);
return 0;
}
void
_nvkm_fb_dtor(struct nvkm_object *object)
{
struct nvkm_fb *fb = (void *)object;
int i;
for (i = 0; i < fb->tile.regions; i++)
fb->tile.fini(fb, i, &fb->tile.region[i]);
nvkm_ram_del(&fb->ram);
nvkm_subdev_destroy(&fb->subdev);
}
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;
struct nvkm_fb *fb;
int ret;
ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb",
length, pobject);
fb = *pobject;
if (ret)
return ret;
fb->memtype_valid = impl->memtype;
if (!impl->ram_new)
return 0;
ret = impl->ram_new(fb, &fb->ram);
if (ret) {
nvkm_error(&fb->subdev, "vram init failed, %d\n", ret);
return ret;
}
return 0;
}
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