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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c new file mode 100644 index 000000000..a0d6e2d3f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/g94.c @@ -0,0 +1,65 @@ +/* + * Copyright 2012 Nouveau Community + * + * 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: Martin Peres <martin.peres@labri.fr> + * Ben Skeggs + */ +#include "priv.h" + +#include <subdev/timer.h> + +static int +g94_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size) +{ + struct nvkm_device *device = bus->subdev.device; + int i; + + nvkm_mask(device, 0x001098, 0x00000008, 0x00000000); + nvkm_wr32(device, 0x001304, 0x00000000); + nvkm_wr32(device, 0x001318, 0x00000000); + for (i = 0; i < size; i++) + nvkm_wr32(device, 0x080000 + (i * 4), data[i]); + nvkm_mask(device, 0x001098, 0x00000018, 0x00000018); + nvkm_wr32(device, 0x00130c, 0x00000001); + + if (nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x001308) & 0x00000100)) + break; + ) < 0) + return -ETIMEDOUT; + + return 0; +} + +static const struct nvkm_bus_func +g94_bus = { + .init = nv50_bus_init, + .intr = nv50_bus_intr, + .hwsq_exec = g94_bus_hwsq_exec, + .hwsq_size = 128, +}; + +int +g94_bus_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_bus **pbus) +{ + return nvkm_bus_new_(&g94_bus, device, type, inst, pbus); +} |