89 lines
2.6 KiB
C
89 lines
2.6 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
|
|
*/
|
|
#include "nv04.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 int
|
|
nv04_fb_init(struct nvkm_object *object)
|
|
{
|
|
struct nvkm_fb *fb = (void *)object;
|
|
struct nvkm_device *device = fb->subdev.device;
|
|
int ret;
|
|
|
|
ret = nvkm_fb_init(fb);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* 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);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
nv04_fb_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
|
|
struct nvkm_oclass *oclass, void *data, u32 size,
|
|
struct nvkm_object **pobject)
|
|
{
|
|
struct nv04_fb_impl *impl = (void *)oclass;
|
|
struct nvkm_fb *fb;
|
|
int ret;
|
|
|
|
ret = nvkm_fb_create(parent, engine, oclass, &fb);
|
|
*pobject = nv_object(fb);
|
|
if (ret)
|
|
return ret;
|
|
|
|
fb->tile.regions = impl->tile.regions;
|
|
fb->tile.init = impl->tile.init;
|
|
fb->tile.comp = impl->tile.comp;
|
|
fb->tile.fini = impl->tile.fini;
|
|
fb->tile.prog = impl->tile.prog;
|
|
return 0;
|
|
}
|
|
|
|
struct nvkm_oclass *
|
|
nv04_fb_oclass = &(struct nv04_fb_impl) {
|
|
.base.base.handle = NV_SUBDEV(FB, 0x04),
|
|
.base.base.ofuncs = &(struct nvkm_ofuncs) {
|
|
.ctor = nv04_fb_ctor,
|
|
.dtor = _nvkm_fb_dtor,
|
|
.init = nv04_fb_init,
|
|
.fini = _nvkm_fb_fini,
|
|
},
|
|
.base.memtype = nv04_fb_memtype_valid,
|
|
.base.ram = &nv04_ram_oclass,
|
|
}.base.base;
|