107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
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/*
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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/therm.h>
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#include <subdev/timer.h>
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static int
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nv50_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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for (i = 0; i < size; i++)
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nvkm_wr32(device, 0x001400 + (i * 4), data[i]);
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nvkm_mask(device, 0x001098, 0x00000018, 0x00000018);
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nvkm_wr32(device, 0x00130c, 0x00000003);
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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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void
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nv50_bus_intr(struct nvkm_bus *bus)
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{
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struct nvkm_subdev *subdev = &bus->subdev;
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struct nvkm_device *device = subdev->device;
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u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140);
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if (stat & 0x00000008) {
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u32 addr = nvkm_rd32(device, 0x009084);
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u32 data = nvkm_rd32(device, 0x009088);
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nvkm_error_ratelimited(subdev, "MMIO %s of %08x FAULT at %06x\n",
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(addr & 0x00000002) ? "write" : "read", data,
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(addr & 0x00fffffc));
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stat &= ~0x00000008;
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nvkm_wr32(device, 0x001100, 0x00000008);
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}
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if (stat & 0x00010000) {
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struct nvkm_therm *therm = device->therm;
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if (therm)
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nvkm_subdev_intr(&therm->subdev);
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stat &= ~0x00010000;
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nvkm_wr32(device, 0x001100, 0x00010000);
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}
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if (stat) {
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nvkm_error(subdev, "intr %08x\n", stat);
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nvkm_mask(device, 0x001140, stat, 0);
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}
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}
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void
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nv50_bus_init(struct nvkm_bus *bus)
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{
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struct nvkm_device *device = bus->subdev.device;
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nvkm_wr32(device, 0x001100, 0xffffffff);
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nvkm_wr32(device, 0x001140, 0x00010008);
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}
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static const struct nvkm_bus_func
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nv50_bus = {
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.init = nv50_bus_init,
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.intr = nv50_bus_intr,
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.hwsq_exec = nv50_bus_hwsq_exec,
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.hwsq_size = 64,
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};
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int
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nv50_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_bus **pbus)
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{
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return nvkm_bus_new_(&nv50_bus, device, type, inst, pbus);
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}
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