diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu102.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu102.c new file mode 100644 index 000000000000..798f65ec3a86 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/tu102.c @@ -0,0 +1,98 @@ +/* + * Copyright 2018 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. + */ +#include "gf100.h" + +#include <core/memory.h> +#include <subdev/timer.h> + +static void +tu102_bar_bar2_wait(struct nvkm_bar *bar) +{ + struct nvkm_device *device = bar->subdev.device; + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0xb80f50) & 0x0000000c)) + break; + ); +} + +static void +tu102_bar_bar2_fini(struct nvkm_bar *bar) +{ + nvkm_mask(bar->subdev.device, 0xb80f48, 0x80000000, 0x00000000); +} + +static void +tu102_bar_bar2_init(struct nvkm_bar *base) +{ + struct nvkm_device *device = base->subdev.device; + struct gf100_bar *bar = gf100_bar(base); + u32 addr = nvkm_memory_addr(bar->bar[0].inst) >> 12; + if (bar->bar2_halve) + addr |= 0x40000000; + nvkm_wr32(device, 0xb80f48, 0x80000000 | addr); +} + +static void +tu102_bar_bar1_wait(struct nvkm_bar *bar) +{ + struct nvkm_device *device = bar->subdev.device; + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0xb80f50) & 0x00000003)) + break; + ); +} + +static void +tu102_bar_bar1_fini(struct nvkm_bar *bar) +{ + nvkm_mask(bar->subdev.device, 0xb80f40, 0x80000000, 0x00000000); +} + +static void +tu102_bar_bar1_init(struct nvkm_bar *base) +{ + struct nvkm_device *device = base->subdev.device; + struct gf100_bar *bar = gf100_bar(base); + const u32 addr = nvkm_memory_addr(bar->bar[1].inst) >> 12; + nvkm_wr32(device, 0xb80f40, 0x80000000 | addr); +} + +static const struct nvkm_bar_func +tu102_bar = { + .dtor = gf100_bar_dtor, + .oneinit = gf100_bar_oneinit, + .bar1.init = tu102_bar_bar1_init, + .bar1.fini = tu102_bar_bar1_fini, + .bar1.wait = tu102_bar_bar1_wait, + .bar1.vmm = gf100_bar_bar1_vmm, + .bar2.init = tu102_bar_bar2_init, + .bar2.fini = tu102_bar_bar2_fini, + .bar2.wait = tu102_bar_bar2_wait, + .bar2.vmm = gf100_bar_bar2_vmm, + .flush = g84_bar_flush, +}; + +int +tu102_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar) +{ + return gf100_bar_new_(&tu102_bar, device, index, pbar); +} |