subdev/devinit/gm107.c

0001 /*
0002  * Copyright 2013 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  * Authors: Ben Skeggs
0023  */
0024 #include "nv50.h"
0025
0026 #include <subdev/bios.h>
0027 #include <subdev/bios/init.h>
0028
0029 u64
0030 gm107_devinit_disable(struct nvkm_devinit *init)
0031 {
0032     struct nvkm_device *device = init->subdev.device;
0033     u32 r021c00 = nvkm_rd32(device, 0x021c00);
0034     u32 r021c04 = nvkm_rd32(device, 0x021c04);
0035
0036     if (r021c00 & 0x00000001)
0037         nvkm_subdev_disable(device, NVKM_ENGINE_CE, 0);
0038     if (r021c00 & 0x00000004)
0039         nvkm_subdev_disable(device, NVKM_ENGINE_CE, 2);
0040     if (r021c04 & 0x00000001)
0041         nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
0042
0043     return 0ULL;
0044 }
0045
0046 static const struct nvkm_devinit_func
0047 gm107_devinit = {
0048     .preinit = gf100_devinit_preinit,
0049     .init = nv50_devinit_init,
0050     .post = nv04_devinit_post,
0051     .pll_set = gf100_devinit_pll_set,
0052     .disable = gm107_devinit_disable,
0053 };
0054
0055 int
0056 gm107_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0057           struct nvkm_devinit **pinit)
0058 {
0059     return nv50_devinit_new_(&gm107_devinit, device, type, inst, pinit);
0060 }