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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/privring/gf100.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/privring/gf100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/privring/gf100.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gf100.c new file mode 100644 index 000000000..ef7caca70 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/privring/gf100.c @@ -0,0 +1,122 @@ +/* + * 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" +#include <subdev/timer.h> + +static void +gf100_privring_intr_hub(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x122120 + (i * 0x0400)); + u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0400)); + u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0400)); + nvkm_debug(privring, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +static void +gf100_privring_intr_rop(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x124120 + (i * 0x0400)); + u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0400)); + u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0400)); + nvkm_debug(privring, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +static void +gf100_privring_intr_gpc(struct nvkm_subdev *privring, int i) +{ + struct nvkm_device *device = privring->device; + u32 addr = nvkm_rd32(device, 0x128120 + (i * 0x0400)); + u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0400)); + u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0400)); + nvkm_debug(privring, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat); +} + +void +gf100_privring_intr(struct nvkm_subdev *privring) +{ + struct nvkm_device *device = privring->device; + u32 intr0 = nvkm_rd32(device, 0x121c58); + u32 intr1 = nvkm_rd32(device, 0x121c5c); + u32 hubnr = nvkm_rd32(device, 0x121c70); + u32 ropnr = nvkm_rd32(device, 0x121c74); + u32 gpcnr = nvkm_rd32(device, 0x121c78); + u32 i; + + for (i = 0; (intr0 & 0x0000ff00) && i < hubnr; i++) { + u32 stat = 0x00000100 << i; + if (intr0 & stat) { + gf100_privring_intr_hub(privring, i); + intr0 &= ~stat; + } + } + + for (i = 0; (intr0 & 0xffff0000) && i < ropnr; i++) { + u32 stat = 0x00010000 << i; + if (intr0 & stat) { + gf100_privring_intr_rop(privring, i); + intr0 &= ~stat; + } + } + + for (i = 0; intr1 && i < gpcnr; i++) { + u32 stat = 0x00000001 << i; + if (intr1 & stat) { + gf100_privring_intr_gpc(privring, i); + intr1 &= ~stat; + } + } + + nvkm_mask(device, 0x121c4c, 0x0000003f, 0x00000002); + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, 0x121c4c) & 0x0000003f)) + break; + ); +} + +static int +gf100_privring_init(struct nvkm_subdev *privring) +{ + struct nvkm_device *device = privring->device; + nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800); + nvkm_wr32(device, 0x12232c, 0x00100064); + nvkm_wr32(device, 0x122330, 0x00100064); + nvkm_wr32(device, 0x122334, 0x00100064); + nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100); + return 0; +} + +static const struct nvkm_subdev_func +gf100_privring = { + .init = gf100_privring_init, + .intr = gf100_privring_intr, +}; + +int +gf100_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_subdev **pprivring) +{ + return nvkm_subdev_new_(&gf100_privring, device, type, inst, pprivring); +} |