77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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/*
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* Copyright 2016 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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void
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gp100_ltc_intr(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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u32 mask;
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mask = nvkm_rd32(device, 0x0001c0);
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while (mask) {
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u32 s, c = __ffs(mask);
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for (s = 0; s < ltc->lts_nr; s++)
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gm107_ltc_intr_lts(ltc, c, s);
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mask &= ~(1 << c);
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}
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}
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int
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gp100_ltc_oneinit(struct nvkm_ltc *ltc)
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{
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struct nvkm_device *device = ltc->subdev.device;
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ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
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ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
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/*XXX: tagram allocation - TBD */
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return 0;
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}
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void
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gp100_ltc_init(struct nvkm_ltc *ltc)
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{
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/*XXX: PMU LS call to setup tagram address */
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}
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static const struct nvkm_ltc_func
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gp100_ltc = {
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.oneinit = gp100_ltc_oneinit,
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.init = gp100_ltc_init,
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.intr = gp100_ltc_intr,
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.cbc_clear = gm107_ltc_cbc_clear,
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.cbc_wait = gm107_ltc_cbc_wait,
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.zbc = 16,
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.zbc_clear_color = gm107_ltc_zbc_clear_color,
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.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
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.invalidate = gf100_ltc_invalidate,
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.flush = gf100_ltc_flush,
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};
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int
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gp100_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_ltc **pltc)
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{
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return nvkm_ltc_new_(&gp100_ltc, device, type, inst, pltc);
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}
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