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/*
* Copyright 2012 Nouveau Community
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Martin Peres <martin.peres@labri.fr>
* Ben Skeggs
*/
#include "priv.h"
#include <subdev/timer.h>
static int
g94_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size)
{
struct nvkm_device *device = bus->subdev.device;
int i;
nvkm_mask(device, 0x001098, 0x00000008, 0x00000000);
nvkm_wr32(device, 0x001304, 0x00000000);
nvkm_wr32(device, 0x001318, 0x00000000);
for (i = 0; i < size; i++)
nvkm_wr32(device, 0x080000 + (i * 4), data[i]);
nvkm_mask(device, 0x001098, 0x00000018, 0x00000018);
nvkm_wr32(device, 0x00130c, 0x00000001);
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x001308) & 0x00000100))
break;
) < 0)
return -ETIMEDOUT;
return 0;
}
static const struct nvkm_bus_func
g94_bus = {
.init = nv50_bus_init,
.intr = nv50_bus_intr,
.hwsq_exec = g94_bus_hwsq_exec,
.hwsq_size = 128,
};
int
g94_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus)
{
return nvkm_bus_new_(&g94_bus, device, index, pbus);
}
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