78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
|
|
* 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"
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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 0;
|
|
}
|
|
|
|
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_color = 16,
|
|
.zbc_depth = 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, enum nvkm_subdev_type type, int inst,
|
|
struct nvkm_ltc **pltc)
|
|
{
|
|
return nvkm_ltc_new_(&gp100_ltc, device, type, inst, pltc);
|
|
}
|