1c39f472eSBen Skeggs /*
2c39f472eSBen Skeggs * Copyright 2012 Red Hat Inc.
3c39f472eSBen Skeggs *
4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"),
6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation
7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions:
10c39f472eSBen Skeggs *
11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in
12c39f472eSBen Skeggs * all copies or substantial portions of the Software.
13c39f472eSBen Skeggs *
14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21c39f472eSBen Skeggs *
22c39f472eSBen Skeggs * Authors: Ben Skeggs
23c39f472eSBen Skeggs */
2403c8952fSBen Skeggs #include "priv.h"
25d36a99d2SBen Skeggs #include "ram.h"
26639c308eSBen Skeggs #include "regsnv04.h"
27c39f472eSBen Skeggs
2803c8952fSBen Skeggs static void
nv04_fb_init(struct nvkm_fb * fb)2903c8952fSBen Skeggs nv04_fb_init(struct nvkm_fb *fb)
30c39f472eSBen Skeggs {
316758745bSBen Skeggs struct nvkm_device *device = fb->subdev.device;
32c39f472eSBen Skeggs
33c39f472eSBen Skeggs /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows
34c39f472eSBen Skeggs * nvidia reading PFB_CFG_0, then writing back its original value.
35c39f472eSBen Skeggs * (which was 0x701114 in this case)
36c39f472eSBen Skeggs */
376758745bSBen Skeggs nvkm_wr32(device, NV04_PFB_CFG0, 0x1114);
38c39f472eSBen Skeggs }
39c39f472eSBen Skeggs
4003c8952fSBen Skeggs static const struct nvkm_fb_func
4103c8952fSBen Skeggs nv04_fb = {
4203c8952fSBen Skeggs .init = nv04_fb_init,
4303c8952fSBen Skeggs .ram_new = nv04_ram_new,
4403c8952fSBen Skeggs };
4503c8952fSBen Skeggs
46c39f472eSBen Skeggs int
nv04_fb_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fb ** pfb)47*b7a9369aSBen Skeggs nv04_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
48c39f472eSBen Skeggs {
49*b7a9369aSBen Skeggs return nvkm_fb_new_(&nv04_fb, device, type, inst, pfb);
50c39f472eSBen Skeggs }
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