| 1 | /* $NetBSD: nouveau_engine_software_nv04.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Red Hat Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Ben Skeggs |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_software_nv04.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $" ); |
| 29 | |
| 30 | #include <core/os.h> |
| 31 | #include <core/class.h> |
| 32 | #include <core/engctx.h> |
| 33 | |
| 34 | #include <engine/software.h> |
| 35 | #include <engine/fifo.h> |
| 36 | |
| 37 | struct nv04_software_priv { |
| 38 | struct nouveau_software base; |
| 39 | }; |
| 40 | |
| 41 | struct nv04_software_chan { |
| 42 | struct nouveau_software_chan base; |
| 43 | }; |
| 44 | |
| 45 | /******************************************************************************* |
| 46 | * software object classes |
| 47 | ******************************************************************************/ |
| 48 | |
| 49 | static int |
| 50 | nv04_software_set_ref(struct nouveau_object *object, u32 mthd, |
| 51 | void *data, u32 size) |
| 52 | { |
| 53 | struct nouveau_object *channel = (void *)nv_engctx(object->parent); |
| 54 | struct nouveau_fifo_chan *fifo = (void *)channel->parent; |
| 55 | atomic_set(&fifo->refcnt, *(u32*)data); |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static int |
| 60 | nv04_software_flip(struct nouveau_object *object, u32 mthd, |
| 61 | void *args, u32 size) |
| 62 | { |
| 63 | struct nv04_software_chan *chan = (void *)nv_engctx(object->parent); |
| 64 | if (chan->base.flip) |
| 65 | return chan->base.flip(chan->base.flip_data); |
| 66 | return -EINVAL; |
| 67 | } |
| 68 | |
| 69 | static struct nouveau_omthds |
| 70 | nv04_software_omthds[] = { |
| 71 | { 0x0150, 0x0150, nv04_software_set_ref }, |
| 72 | { 0x0500, 0x0500, nv04_software_flip }, |
| 73 | {} |
| 74 | }; |
| 75 | |
| 76 | static struct nouveau_oclass |
| 77 | nv04_software_sclass[] = { |
| 78 | { 0x006e, &nouveau_object_ofuncs, nv04_software_omthds }, |
| 79 | {} |
| 80 | }; |
| 81 | |
| 82 | /******************************************************************************* |
| 83 | * software context |
| 84 | ******************************************************************************/ |
| 85 | |
| 86 | static int |
| 87 | nv04_software_context_ctor(struct nouveau_object *parent, |
| 88 | struct nouveau_object *engine, |
| 89 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 90 | struct nouveau_object **pobject) |
| 91 | { |
| 92 | struct nv04_software_chan *chan; |
| 93 | int ret; |
| 94 | |
| 95 | ret = nouveau_software_context_create(parent, engine, oclass, &chan); |
| 96 | *pobject = nv_object(chan); |
| 97 | if (ret) |
| 98 | return ret; |
| 99 | |
| 100 | return 0; |
| 101 | } |
| 102 | |
| 103 | static struct nouveau_oclass |
| 104 | nv04_software_cclass = { |
| 105 | .handle = NV_ENGCTX(SW, 0x04), |
| 106 | .ofuncs = &(struct nouveau_ofuncs) { |
| 107 | .ctor = nv04_software_context_ctor, |
| 108 | .dtor = _nouveau_software_context_dtor, |
| 109 | .init = _nouveau_software_context_init, |
| 110 | .fini = _nouveau_software_context_fini, |
| 111 | }, |
| 112 | }; |
| 113 | |
| 114 | /******************************************************************************* |
| 115 | * software engine/subdev functions |
| 116 | ******************************************************************************/ |
| 117 | |
| 118 | void |
| 119 | nv04_software_intr(struct nouveau_subdev *subdev) |
| 120 | { |
| 121 | nv_mask(subdev, 0x000100, 0x80000000, 0x00000000); |
| 122 | } |
| 123 | |
| 124 | static int |
| 125 | nv04_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| 126 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 127 | struct nouveau_object **pobject) |
| 128 | { |
| 129 | struct nv04_software_priv *priv; |
| 130 | int ret; |
| 131 | |
| 132 | ret = nouveau_software_create(parent, engine, oclass, &priv); |
| 133 | *pobject = nv_object(priv); |
| 134 | if (ret) |
| 135 | return ret; |
| 136 | |
| 137 | nv_engine(priv)->cclass = &nv04_software_cclass; |
| 138 | nv_engine(priv)->sclass = nv04_software_sclass; |
| 139 | nv_subdev(priv)->intr = nv04_software_intr; |
| 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | struct nouveau_oclass * |
| 144 | nv04_software_oclass = &(struct nouveau_oclass) { |
| 145 | .handle = NV_ENGINE(SW, 0x04), |
| 146 | .ofuncs = &(struct nouveau_ofuncs) { |
| 147 | .ctor = nv04_software_ctor, |
| 148 | .dtor = _nouveau_software_dtor, |
| 149 | .init = _nouveau_software_init, |
| 150 | .fini = _nouveau_software_fini, |
| 151 | }, |
| 152 | }; |
| 153 | |