projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a10220bb MP |
1 | /* |
| 2 | * Copyright 2012 Nouveau Community | |
| 3 | * | |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
| 5 | * copy of this software and associated documentation files (the "Software"), | |
| 6 | * to deal in the Software without restriction, including without limitation | |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the | |
| 9 | * Software is furnished to do so, subject to the following conditions: | |
| 10 | * | |
| 11 | * The above copyright notice and this permission notice shall be included in | |
| 12 | * all copies or substantial portions of the Software. | |
| 13 | * | |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. | |
| 21 | * | |
| 22 | * Authors: Martin Peres <martin.peres@labri.fr> | |
| 23 | * Ben Skeggs | |
| 24 | */ | |
| bb23f9d7 | 25 | #include "priv.h" |
| a10220bb | 26 | |
| a699a85a BS |
27 | #include <subdev/gpio.h> |
| 28 | #include <subdev/therm.h> | |
| 29 | ||
| a10220bb | 30 | static void |
| bb23f9d7 | 31 | nv31_bus_intr(struct nvkm_bus *bus) |
| a10220bb | 32 | { |
| bb23f9d7 | 33 | struct nvkm_subdev *subdev = &bus->subdev; |
| a699a85a | 34 | struct nvkm_device *device = subdev->device; |
| 14caba44 BS |
35 | u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140); |
| 36 | u32 gpio = nvkm_rd32(device, 0x001104) & nvkm_rd32(device, 0x001144); | |
| a10220bb MP |
37 | |
| 38 | if (gpio) { | |
| a699a85a | 39 | struct nvkm_gpio *gpio = device->gpio; |
| 6cf813fb BS |
40 | if (gpio) |
| 41 | nvkm_subdev_intr(&gpio->subdev); | |
| a10220bb MP |
42 | } |
| 43 | ||
| 9d7175c8 | 44 | if (stat & 0x00000008) { /* NV41- */ |
| 14caba44 BS |
45 | u32 addr = nvkm_rd32(device, 0x009084); |
| 46 | u32 data = nvkm_rd32(device, 0x009088); | |
| 9d7175c8 | 47 | |
| a699a85a BS |
48 | nvkm_error(subdev, "MMIO %s of %08x FAULT at %06x\n", |
| 49 | (addr & 0x00000002) ? "write" : "read", data, | |
| 50 | (addr & 0x00fffffc)); | |
| 9d7175c8 | 51 | |
| a10220bb | 52 | stat &= ~0x00000008; |
| 14caba44 | 53 | nvkm_wr32(device, 0x001100, 0x00000008); |
| a10220bb MP |
54 | } |
| 55 | ||
| 56 | if (stat & 0x00070000) { | |
| a699a85a | 57 | struct nvkm_therm *therm = device->therm; |
| 6cf813fb BS |
58 | if (therm) |
| 59 | nvkm_subdev_intr(&therm->subdev); | |
| a10220bb | 60 | stat &= ~0x00070000; |
| 14caba44 | 61 | nvkm_wr32(device, 0x001100, 0x00070000); |
| a10220bb MP |
62 | } |
| 63 | ||
| 64 | if (stat) { | |
| a699a85a | 65 | nvkm_error(subdev, "intr %08x\n", stat); |
| 14caba44 | 66 | nvkm_mask(device, 0x001140, stat, 0x00000000); |
| a10220bb MP |
67 | } |
| 68 | } | |
| 69 | ||
| bb23f9d7 BS |
70 | static void |
| 71 | nv31_bus_init(struct nvkm_bus *bus) | |
| a10220bb | 72 | { |
| 14caba44 | 73 | struct nvkm_device *device = bus->subdev.device; |
| 14caba44 BS |
74 | nvkm_wr32(device, 0x001100, 0xffffffff); |
| 75 | nvkm_wr32(device, 0x001140, 0x00070008); | |
| a10220bb MP |
76 | } |
| 77 | ||
| bb23f9d7 BS |
78 | static const struct nvkm_bus_func |
| 79 | nv31_bus = { | |
| 80 | .init = nv31_bus_init, | |
| 48ae0b35 | 81 | .intr = nv31_bus_intr, |
| bb23f9d7 BS |
82 | }; |
| 83 | ||
| 84 | int | |
| 85 | nv31_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus) | |
| 86 | { | |
| 87 | return nvkm_bus_new_(&nv31_bus, device, index, pbus); | |
| 88 | } |