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/*
* Copyright 2016 Red Hat Inc.
*
* 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: Ben Skeggs
*/
#include "priv.h"
static void
gp100_ltc_intr(struct nvkm_ltc *ltc)
{
struct nvkm_device *device = ltc->subdev.device;
u32 mask;
mask = nvkm_rd32(device, 0x0001c0);
while (mask) {
u32 s, c = __ffs(mask);
for (s = 0; s < ltc->lts_nr; s++)
gm107_ltc_intr_lts(ltc, c, s);
mask &= ~(1 << c);
}
}
static int
gp100_ltc_oneinit(struct nvkm_ltc *ltc)
{
struct nvkm_device *device = ltc->subdev.device;
ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
/*XXX: tagram allocation - TBD */
return nvkm_mm_init(<c->tags, 0, 0, 1);
}
static void
gp100_ltc_init(struct nvkm_ltc *ltc)
{
/*XXX: PMU LS call to setup tagram address */
}
static const struct nvkm_ltc_func
gp100_ltc = {
.oneinit = gp100_ltc_oneinit,
.init = gp100_ltc_init,
.intr = gp100_ltc_intr,
.cbc_clear = gm107_ltc_cbc_clear,
.cbc_wait = gm107_ltc_cbc_wait,
.zbc = 16,
.zbc_clear_color = gm107_ltc_zbc_clear_color,
.zbc_clear_depth = gm107_ltc_zbc_clear_depth,
.invalidate = gf100_ltc_invalidate,
.flush = gf100_ltc_flush,
};
int
gp100_ltc_new(struct nvkm_device *device, int index, struct nvkm_ltc **pltc)
{
return nvkm_ltc_new_(&gp100_ltc, device, index, pltc);
}
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