diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gk104.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gk104.c new file mode 100644 index 000000000..94aa09244 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gk104.c @@ -0,0 +1,57 @@ +/* + * Copyright 2012 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 +gk104_ltc_init(struct nvkm_ltc *ltc) +{ + struct nvkm_device *device = ltc->subdev.device; + u32 lpg128 = !(nvkm_rd32(device, 0x100c80) & 0x00000001); + + nvkm_wr32(device, 0x17e8d8, ltc->ltc_nr); + nvkm_wr32(device, 0x17e000, ltc->ltc_nr); + nvkm_wr32(device, 0x17e8d4, ltc->tag_base); + nvkm_mask(device, 0x17e8c0, 0x00000002, lpg128 ? 0x00000002 : 0x00000000); +} + +static const struct nvkm_ltc_func +gk104_ltc = { + .oneinit = gf100_ltc_oneinit, + .init = gk104_ltc_init, + .intr = gf100_ltc_intr, + .cbc_clear = gf100_ltc_cbc_clear, + .cbc_wait = gf100_ltc_cbc_wait, + .zbc = 16, + .zbc_clear_color = gf100_ltc_zbc_clear_color, + .zbc_clear_depth = gf100_ltc_zbc_clear_depth, + .invalidate = gf100_ltc_invalidate, + .flush = gf100_ltc_flush, +}; + +int +gk104_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_ltc **pltc) +{ + return nvkm_ltc_new_(&gk104_ltc, device, type, inst, pltc); +} |