| 1 | /* $NetBSD: nouveau_engine_software_nv50.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_nv50.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 | #include <core/namedb.h> |
| 34 | #include <core/handle.h> |
| 35 | #include <core/gpuobj.h> |
| 36 | #include <core/event.h> |
| 37 | |
| 38 | #include <subdev/bar.h> |
| 39 | |
| 40 | #include <engine/disp.h> |
| 41 | |
| 42 | #include "nv50.h" |
| 43 | |
| 44 | /******************************************************************************* |
| 45 | * software object classes |
| 46 | ******************************************************************************/ |
| 47 | |
| 48 | static int |
| 49 | nv50_software_mthd_dma_vblsem(struct nouveau_object *object, u32 mthd, |
| 50 | void *args, u32 size) |
| 51 | { |
| 52 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| 53 | struct nouveau_fifo_chan *fifo = (void *)nv_object(chan)->parent; |
| 54 | struct nouveau_handle *handle; |
| 55 | int ret = -EINVAL; |
| 56 | |
| 57 | handle = nouveau_namedb_get(nv_namedb(fifo), *(u32 *)args); |
| 58 | if (!handle) |
| 59 | return -ENOENT; |
| 60 | |
| 61 | if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) { |
| 62 | struct nouveau_gpuobj *gpuobj = nv_gpuobj(handle->object); |
| 63 | chan->vblank.ctxdma = gpuobj->node->offset >> 4; |
| 64 | ret = 0; |
| 65 | } |
| 66 | nouveau_namedb_put(handle); |
| 67 | return ret; |
| 68 | } |
| 69 | |
| 70 | static int |
| 71 | nv50_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, |
| 72 | void *args, u32 size) |
| 73 | { |
| 74 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| 75 | chan->vblank.offset = *(u32 *)args; |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | int |
| 80 | nv50_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd, |
| 81 | void *args, u32 size) |
| 82 | { |
| 83 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| 84 | chan->vblank.value = *(u32 *)args; |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | int |
| 89 | nv50_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, |
| 90 | void *args, u32 size) |
| 91 | { |
| 92 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| 93 | u32 head = *(u32 *)args; |
| 94 | if (head >= chan->vblank.nr_event) |
| 95 | return -EINVAL; |
| 96 | |
| 97 | nouveau_event_get(chan->vblank.event[head]); |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | int |
| 102 | nv50_software_mthd_flip(struct nouveau_object *object, u32 mthd, |
| 103 | void *args, u32 size) |
| 104 | { |
| 105 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| 106 | if (chan->base.flip) |
| 107 | return chan->base.flip(chan->base.flip_data); |
| 108 | return -EINVAL; |
| 109 | } |
| 110 | |
| 111 | static struct nouveau_omthds |
| 112 | nv50_software_omthds[] = { |
| 113 | { 0x018c, 0x018c, nv50_software_mthd_dma_vblsem }, |
| 114 | { 0x0400, 0x0400, nv50_software_mthd_vblsem_offset }, |
| 115 | { 0x0404, 0x0404, nv50_software_mthd_vblsem_value }, |
| 116 | { 0x0408, 0x0408, nv50_software_mthd_vblsem_release }, |
| 117 | { 0x0500, 0x0500, nv50_software_mthd_flip }, |
| 118 | {} |
| 119 | }; |
| 120 | |
| 121 | static struct nouveau_oclass |
| 122 | nv50_software_sclass[] = { |
| 123 | { 0x506e, &nouveau_object_ofuncs, nv50_software_omthds }, |
| 124 | {} |
| 125 | }; |
| 126 | |
| 127 | /******************************************************************************* |
| 128 | * software context |
| 129 | ******************************************************************************/ |
| 130 | |
| 131 | static int |
| 132 | nv50_software_vblsem_release(void *data, int head) |
| 133 | { |
| 134 | struct nv50_software_chan *chan = data; |
| 135 | struct nv50_software_priv *priv = (void *)nv_object(chan)->engine; |
| 136 | struct nouveau_bar *bar = nouveau_bar(priv); |
| 137 | |
| 138 | nv_wr32(priv, 0x001704, chan->vblank.channel); |
| 139 | nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); |
| 140 | bar->flush(bar); |
| 141 | |
| 142 | if (nv_device(priv)->chipset == 0x50) { |
| 143 | nv_wr32(priv, 0x001570, chan->vblank.offset); |
| 144 | nv_wr32(priv, 0x001574, chan->vblank.value); |
| 145 | } else { |
| 146 | nv_wr32(priv, 0x060010, chan->vblank.offset); |
| 147 | nv_wr32(priv, 0x060014, chan->vblank.value); |
| 148 | } |
| 149 | |
| 150 | return NVKM_EVENT_DROP; |
| 151 | } |
| 152 | |
| 153 | void |
| 154 | nv50_software_context_dtor(struct nouveau_object *object) |
| 155 | { |
| 156 | struct nv50_software_chan *chan = (void *)object; |
| 157 | int i; |
| 158 | |
| 159 | if (chan->vblank.event) { |
| 160 | for (i = 0; i < chan->vblank.nr_event; i++) |
| 161 | nouveau_event_ref(NULL, &chan->vblank.event[i]); |
| 162 | kfree(chan->vblank.event); |
| 163 | } |
| 164 | |
| 165 | nouveau_software_context_destroy(&chan->base); |
| 166 | } |
| 167 | |
| 168 | int |
| 169 | nv50_software_context_ctor(struct nouveau_object *parent, |
| 170 | struct nouveau_object *engine, |
| 171 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 172 | struct nouveau_object **pobject) |
| 173 | { |
| 174 | struct nouveau_disp *pdisp = nouveau_disp(parent); |
| 175 | struct nv50_software_cclass *pclass = (void *)oclass; |
| 176 | struct nv50_software_chan *chan; |
| 177 | int ret, i; |
| 178 | |
| 179 | ret = nouveau_software_context_create(parent, engine, oclass, &chan); |
| 180 | *pobject = nv_object(chan); |
| 181 | if (ret) |
| 182 | return ret; |
| 183 | |
| 184 | chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0; |
| 185 | chan->vblank.event = kzalloc(chan->vblank.nr_event * |
| 186 | sizeof(*chan->vblank.event), GFP_KERNEL); |
| 187 | if (!chan->vblank.event) |
| 188 | return -ENOMEM; |
| 189 | |
| 190 | for (i = 0; i < chan->vblank.nr_event; i++) { |
| 191 | ret = nouveau_event_new(pdisp->vblank, i, pclass->vblank, |
| 192 | chan, &chan->vblank.event[i]); |
| 193 | if (ret) |
| 194 | return ret; |
| 195 | } |
| 196 | |
| 197 | chan->vblank.channel = nv_gpuobj(parent->parent)->addr >> 12; |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | static struct nv50_software_cclass |
| 202 | nv50_software_cclass = { |
| 203 | .base.handle = NV_ENGCTX(SW, 0x50), |
| 204 | .base.ofuncs = &(struct nouveau_ofuncs) { |
| 205 | .ctor = nv50_software_context_ctor, |
| 206 | .dtor = _nouveau_software_context_dtor, |
| 207 | .init = _nouveau_software_context_init, |
| 208 | .fini = _nouveau_software_context_fini, |
| 209 | }, |
| 210 | .vblank = nv50_software_vblsem_release, |
| 211 | }; |
| 212 | |
| 213 | /******************************************************************************* |
| 214 | * software engine/subdev functions |
| 215 | ******************************************************************************/ |
| 216 | |
| 217 | int |
| 218 | nv50_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| 219 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 220 | struct nouveau_object **pobject) |
| 221 | { |
| 222 | struct nv50_software_oclass *pclass = (void *)oclass; |
| 223 | struct nv50_software_priv *priv; |
| 224 | int ret; |
| 225 | |
| 226 | ret = nouveau_software_create(parent, engine, oclass, &priv); |
| 227 | *pobject = nv_object(priv); |
| 228 | if (ret) |
| 229 | return ret; |
| 230 | |
| 231 | nv_engine(priv)->cclass = pclass->cclass; |
| 232 | nv_engine(priv)->sclass = pclass->sclass; |
| 233 | nv_subdev(priv)->intr = nv04_software_intr; |
| 234 | return 0; |
| 235 | } |
| 236 | |
| 237 | struct nouveau_oclass * |
| 238 | nv50_software_oclass = &(struct nv50_software_oclass) { |
| 239 | .base.handle = NV_ENGINE(SW, 0x50), |
| 240 | .base.ofuncs = &(struct nouveau_ofuncs) { |
| 241 | .ctor = nv50_software_ctor, |
| 242 | .dtor = _nouveau_software_dtor, |
| 243 | .init = _nouveau_software_init, |
| 244 | .fini = _nouveau_software_fini, |
| 245 | }, |
| 246 | .cclass = &nv50_software_cclass.base, |
| 247 | .sclass = nv50_software_sclass, |
| 248 | }.base; |
| 249 | |