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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 "regsnv04.h"
bool
nv04_fb_memtype_valid(struct nvkm_fb *fb, u32 tile_flags)
{
if (!(tile_flags & 0xff00))
return true;
return false;
}
static void
nv04_fb_init(struct nvkm_fb *fb)
{
struct nvkm_device *device = fb->subdev.device;
/* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
* nvidia reading PFB_CFG_0, then writing back its original value.
* (which was 0x701114 in this case)
*/
nvkm_wr32(device, NV04_PFB_CFG0, 0x1114);
}
static const struct nvkm_fb_func
nv04_fb = {
.init = nv04_fb_init,
.ram_new = nv04_ram_new,
.memtype_valid = nv04_fb_memtype_valid,
};
int
nv04_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
{
return nvkm_fb_new_(&nv04_fb, device, index, pfb);
}
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