69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
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/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include "nv50.h"
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#include <subdev/bios.h>
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#include <subdev/bios/init.h>
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static u64
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g84_devinit_disable(struct nvkm_devinit *init)
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{
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struct nvkm_device *device = init->subdev.device;
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u32 r001540 = nvkm_rd32(device, 0x001540);
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u32 r00154c = nvkm_rd32(device, 0x00154c);
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u64 disable = 0ULL;
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if (!(r001540 & 0x40000000)) {
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nvkm_subdev_disable(device, NVKM_ENGINE_MPEG, 0);
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nvkm_subdev_disable(device, NVKM_ENGINE_VP, 0);
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nvkm_subdev_disable(device, NVKM_ENGINE_BSP, 0);
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nvkm_subdev_disable(device, NVKM_ENGINE_CIPHER, 0);
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}
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if (!(r00154c & 0x00000004))
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nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0);
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if (!(r00154c & 0x00000020))
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nvkm_subdev_disable(device, NVKM_ENGINE_BSP, 0);
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if (!(r00154c & 0x00000040))
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nvkm_subdev_disable(device, NVKM_ENGINE_CIPHER, 0);
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return disable;
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}
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static const struct nvkm_devinit_func
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g84_devinit = {
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.preinit = nv50_devinit_preinit,
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.init = nv50_devinit_init,
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.post = nv04_devinit_post,
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.pll_set = nv50_devinit_pll_set,
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.disable = g84_devinit_disable,
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};
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int
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g84_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_devinit **pinit)
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{
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return nv50_devinit_new_(&g84_devinit, device, type, inst, pinit);
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}
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