| 1 | /* |
| 2 | * Copyright 2012 Red Hat Inc. |
| 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: Ben Skeggs |
| 23 | */ |
| 24 | #include "priv.h" |
| 25 | #include "chan.h" |
| 26 | #include "nvsw.h" |
| 27 | |
| 28 | #include <nvif/ioctl.h> |
| 29 | |
| 30 | /******************************************************************************* |
| 31 | * software object classes |
| 32 | ******************************************************************************/ |
| 33 | |
| 34 | static int |
| 35 | nv10_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size) |
| 36 | { |
| 37 | struct nvkm_sw_chan *chan = (void *)nv_engctx(object->parent); |
| 38 | nvkm_event_send(&chan->event, 1, 0, NULL, 0); |
| 39 | return 0; |
| 40 | } |
| 41 | |
| 42 | static struct nvkm_omthds |
| 43 | nv10_sw_omthds[] = { |
| 44 | { 0x0500, 0x0500, nv10_sw_flip }, |
| 45 | {} |
| 46 | }; |
| 47 | |
| 48 | static struct nvkm_oclass |
| 49 | nv10_sw_sclass[] = { |
| 50 | { NVIF_IOCTL_NEW_V0_SW_NV10, &nvkm_nvsw_ofuncs, nv10_sw_omthds }, |
| 51 | {} |
| 52 | }; |
| 53 | |
| 54 | /******************************************************************************* |
| 55 | * software context |
| 56 | ******************************************************************************/ |
| 57 | |
| 58 | static int |
| 59 | nv10_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine, |
| 60 | struct nvkm_oclass *oclass, void *data, u32 size, |
| 61 | struct nvkm_object **pobject) |
| 62 | { |
| 63 | struct nvkm_sw_chan *chan; |
| 64 | int ret; |
| 65 | |
| 66 | ret = nvkm_sw_context_create(parent, engine, oclass, &chan); |
| 67 | *pobject = nv_object(chan); |
| 68 | if (ret) |
| 69 | return ret; |
| 70 | |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | static struct nvkm_oclass |
| 75 | nv10_sw_cclass = { |
| 76 | .handle = NV_ENGCTX(SW, 0x04), |
| 77 | .ofuncs = &(struct nvkm_ofuncs) { |
| 78 | .ctor = nv10_sw_context_ctor, |
| 79 | .dtor = _nvkm_sw_context_dtor, |
| 80 | .init = _nvkm_sw_context_init, |
| 81 | .fini = _nvkm_sw_context_fini, |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | /******************************************************************************* |
| 86 | * software engine/subdev functions |
| 87 | ******************************************************************************/ |
| 88 | |
| 89 | static int |
| 90 | nv10_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine, |
| 91 | struct nvkm_oclass *oclass, void *data, u32 size, |
| 92 | struct nvkm_object **pobject) |
| 93 | { |
| 94 | struct nvkm_sw *sw; |
| 95 | int ret; |
| 96 | |
| 97 | ret = nvkm_sw_create(parent, engine, oclass, &sw); |
| 98 | *pobject = nv_object(sw); |
| 99 | if (ret) |
| 100 | return ret; |
| 101 | |
| 102 | nv_engine(sw)->cclass = &nv10_sw_cclass; |
| 103 | nv_engine(sw)->sclass = nv10_sw_sclass; |
| 104 | nv_subdev(sw)->intr = nv04_sw_intr; |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | struct nvkm_oclass * |
| 109 | nv10_sw_oclass = &(struct nvkm_oclass) { |
| 110 | .handle = NV_ENGINE(SW, 0x10), |
| 111 | .ofuncs = &(struct nvkm_ofuncs) { |
| 112 | .ctor = nv10_sw_ctor, |
| 113 | .dtor = _nvkm_sw_dtor, |
| 114 | .init = _nvkm_sw_init, |
| 115 | .fini = _nvkm_sw_fini, |
| 116 | }, |
| 117 | }; |