Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 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 | */ |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 25 | #include "nv04.h" |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 26 | |
Ben Skeggs | a699a85 | 2015-08-20 14:54:11 +1000 | [diff] [blame] | 27 | #include <subdev/gpio.h> |
| 28 | |
Marcin Slusarz | cd89783 | 2013-01-27 15:01:55 +0100 | [diff] [blame] | 29 | static void |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 30 | nv04_bus_intr(struct nvkm_subdev *subdev) |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 31 | { |
Ben Skeggs | a699a85 | 2015-08-20 14:54:11 +1000 | [diff] [blame] | 32 | struct nvkm_device *device = subdev->device; |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 33 | u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 34 | |
| 35 | if (stat & 0x00000001) { |
Ben Skeggs | a699a85 | 2015-08-20 14:54:11 +1000 | [diff] [blame] | 36 | nvkm_error(subdev, "BUS ERROR\n"); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 37 | stat &= ~0x00000001; |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 38 | nvkm_wr32(device, 0x001100, 0x00000001); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | if (stat & 0x00000110) { |
Ben Skeggs | a699a85 | 2015-08-20 14:54:11 +1000 | [diff] [blame] | 42 | struct nvkm_gpio *gpio = device->gpio; |
| 43 | if (gpio && gpio->subdev.intr) |
| 44 | gpio->subdev.intr(&gpio->subdev); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 45 | stat &= ~0x00000110; |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 46 | nvkm_wr32(device, 0x001100, 0x00000110); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | if (stat) { |
Ben Skeggs | a699a85 | 2015-08-20 14:54:11 +1000 | [diff] [blame] | 50 | nvkm_error(subdev, "intr %08x\n", stat); |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 51 | nvkm_mask(device, 0x001140, stat, 0x00000000); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 52 | } |
| 53 | } |
| 54 | |
| 55 | static int |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 56 | nv04_bus_init(struct nvkm_object *object) |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 57 | { |
Ben Skeggs | 01d6b95 | 2015-08-20 14:54:06 +1000 | [diff] [blame] | 58 | struct nvkm_bus *bus = (void *)object; |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 59 | struct nvkm_device *device = bus->subdev.device; |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 60 | |
Ben Skeggs | 14caba4 | 2015-08-20 14:54:08 +1000 | [diff] [blame] | 61 | nvkm_wr32(device, 0x001100, 0xffffffff); |
| 62 | nvkm_wr32(device, 0x001140, 0x00000111); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 63 | |
Ben Skeggs | 01d6b95 | 2015-08-20 14:54:06 +1000 | [diff] [blame] | 64 | return nvkm_bus_init(bus); |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 65 | } |
| 66 | |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 67 | int |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 68 | nv04_bus_ctor(struct nvkm_object *parent, struct nvkm_object *engine, |
| 69 | struct nvkm_oclass *oclass, void *data, u32 size, |
| 70 | struct nvkm_object **pobject) |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 71 | { |
| 72 | struct nv04_bus_impl *impl = (void *)oclass; |
Ben Skeggs | 01d6b95 | 2015-08-20 14:54:06 +1000 | [diff] [blame] | 73 | struct nvkm_bus *bus; |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 74 | int ret; |
| 75 | |
Ben Skeggs | 01d6b95 | 2015-08-20 14:54:06 +1000 | [diff] [blame] | 76 | ret = nvkm_bus_create(parent, engine, oclass, &bus); |
| 77 | *pobject = nv_object(bus); |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 78 | if (ret) |
| 79 | return ret; |
| 80 | |
Ben Skeggs | 01d6b95 | 2015-08-20 14:54:06 +1000 | [diff] [blame] | 81 | nv_subdev(bus)->intr = impl->intr; |
| 82 | bus->hwsq_exec = impl->hwsq_exec; |
| 83 | bus->hwsq_size = impl->hwsq_size; |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 84 | return 0; |
| 85 | } |
| 86 | |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 87 | struct nvkm_oclass * |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 88 | nv04_bus_oclass = &(struct nv04_bus_impl) { |
| 89 | .base.handle = NV_SUBDEV(BUS, 0x04), |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 90 | .base.ofuncs = &(struct nvkm_ofuncs) { |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 91 | .ctor = nv04_bus_ctor, |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 92 | .dtor = _nvkm_bus_dtor, |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 93 | .init = nv04_bus_init, |
Ben Skeggs | 5f8824d | 2015-01-14 14:40:22 +1000 | [diff] [blame] | 94 | .fini = _nvkm_bus_fini, |
Martin Peres | a10220b | 2012-11-04 01:01:53 +0100 | [diff] [blame] | 95 | }, |
Ben Skeggs | 48ae0b3 | 2013-10-24 09:39:05 +1000 | [diff] [blame] | 96 | .intr = nv04_bus_intr, |
| 97 | }.base; |