| /* |
| * 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); |
| } |