51 lines · c
1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "priv.h"25#include "ram.h"26#include "regsnv04.h"27 28static void29nv04_fb_init(struct nvkm_fb *fb)30{31 struct nvkm_device *device = fb->subdev.device;32 33 /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows34 * nvidia reading PFB_CFG_0, then writing back its original value.35 * (which was 0x701114 in this case)36 */37 nvkm_wr32(device, NV04_PFB_CFG0, 0x1114);38}39 40static const struct nvkm_fb_func41nv04_fb = {42 .init = nv04_fb_init,43 .ram_new = nv04_ram_new,44};45 46int47nv04_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)48{49 return nvkm_fb_new_(&nv04_fb, device, type, inst, pfb);50}51