subdev/devinit/g98.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 static u64
0030 g98_devinit_disable(struct nvkm_devinit *init)
0031 {
0032     struct nvkm_device *device = init->subdev.device;
0033     u32 r001540 = nvkm_rd32(device, 0x001540);
0034     u32 r00154c = nvkm_rd32(device, 0x00154c);
0035
0036     if (!(r001540 & 0x40000000)) {
0037         nvkm_subdev_disable(device, NVKM_ENGINE_MSPDEC, 0);
0038         nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0);
0039         nvkm_subdev_disable(device, NVKM_ENGINE_MSPPP, 0);
0040     }
0041
0042     if (!(r00154c & 0x00000004))
0043         nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
0044     if (!(r00154c & 0x00000020))
0045         nvkm_subdev_disable(device, NVKM_ENGINE_MSVLD, 0);
0046     if (!(r00154c & 0x00000040))
0047         nvkm_subdev_disable(device, NVKM_ENGINE_SEC, 0);
0048
0049     return 0ULL;
0050 }
0051
0052 static const struct nvkm_devinit_func
0053 g98_devinit = {
0054     .preinit = nv50_devinit_preinit,
0055     .init = nv50_devinit_init,
0056     .post = nv04_devinit_post,
0057     .pll_set = nv50_devinit_pll_set,
0058     .disable = g98_devinit_disable,
0059 };
0060
0061 int
0062 g98_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
0063         struct nvkm_devinit **pinit)
0064 {
0065     return nv50_devinit_new_(&g98_devinit, device, type, inst, pinit);
0066 }