diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c new file mode 100644 index 000000000000..0bdfb2f40266 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c @@ -0,0 +1,75 @@ +/* + * 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); +} |