65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* Copyright 2012 Nouveau Community
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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: Martin Peres <martin.peres@labri.fr>
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* Ben Skeggs
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*/
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#include "priv.h"
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#include <subdev/timer.h>
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static int
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g94_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size)
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{
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struct nvkm_device *device = bus->subdev.device;
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int i;
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nvkm_mask(device, 0x001098, 0x00000008, 0x00000000);
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nvkm_wr32(device, 0x001304, 0x00000000);
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nvkm_wr32(device, 0x001318, 0x00000000);
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for (i = 0; i < size; i++)
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nvkm_wr32(device, 0x080000 + (i * 4), data[i]);
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nvkm_mask(device, 0x001098, 0x00000018, 0x00000018);
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nvkm_wr32(device, 0x00130c, 0x00000001);
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if (nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0x001308) & 0x00000100))
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break;
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) < 0)
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return -ETIMEDOUT;
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return 0;
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}
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static const struct nvkm_bus_func
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g94_bus = {
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.init = nv50_bus_init,
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.intr = nv50_bus_intr,
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.hwsq_exec = g94_bus_hwsq_exec,
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.hwsq_size = 128,
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};
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int
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g94_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus)
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{
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return nvkm_bus_new_(&g94_bus, device, index, pbus);
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}
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