mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* Copyright 2012 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 "priv.h"
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const struct nvkm_mc_map
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nv04_mc_reset[] = {
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{ 0x00001000, NVKM_ENGINE_GR },
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{ 0x00000100, NVKM_ENGINE_FIFO },
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{}
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};
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static const struct nvkm_mc_map
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nv04_mc_intr[] = {
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{ 0x01010000, NVKM_ENGINE_DISP },
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{ 0x00001000, NVKM_ENGINE_GR },
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{ 0x00000100, NVKM_ENGINE_FIFO },
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{ 0x10000000, NVKM_SUBDEV_BUS },
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{ 0x00100000, NVKM_SUBDEV_TIMER },
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{}
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};
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void
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nv04_mc_intr_unarm(struct nvkm_mc *mc)
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{
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struct nvkm_device *device = mc->subdev.device;
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nvkm_wr32(device, 0x000140, 0x00000000);
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nvkm_rd32(device, 0x000140);
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}
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void
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nv04_mc_intr_rearm(struct nvkm_mc *mc)
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{
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struct nvkm_device *device = mc->subdev.device;
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nvkm_wr32(device, 0x000140, 0x00000001);
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}
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u32
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nv04_mc_intr_stat(struct nvkm_mc *mc)
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{
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return nvkm_rd32(mc->subdev.device, 0x000100);
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}
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void
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nv04_mc_init(struct nvkm_mc *mc)
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{
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struct nvkm_device *device = mc->subdev.device;
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nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
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nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */
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}
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static const struct nvkm_mc_func
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nv04_mc = {
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.init = nv04_mc_init,
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.intr = nv04_mc_intr,
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.intr_unarm = nv04_mc_intr_unarm,
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.intr_rearm = nv04_mc_intr_rearm,
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.intr_stat = nv04_mc_intr_stat,
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.reset = nv04_mc_reset,
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};
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int
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nv04_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
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{
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return nvkm_mc_new_(&nv04_mc, device, index, pmc);
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}
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