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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include "nv50.h" #include <core/gpuobj.h> #include <subdev/bar.h> #include <engine/disp.h> #include <engine/fifo.h> #include <nvif/class.h> #include <nvif/event.h> /******************************************************************************* * software context ******************************************************************************/ static int gf100_sw_chan_vblsem_release(struct nvkm_event_ntfy *notify, u32 bits) { struct nv50_sw_chan *chan = container_of(notify, typeof(*chan), vblank.notify[notify->id]); struct nvkm_sw *sw = chan->base.sw; struct nvkm_device *device = sw->engine.subdev.device; u32 inst = chan->base.fifo->inst->addr >> 12; nvkm_wr32(device, 0x001718, 0x80000000 | inst); nvkm_bar_flush(device->bar); nvkm_wr32(device, 0x06000c, upper_32_bits(chan->vblank.offset)); nvkm_wr32(device, 0x060010, lower_32_bits(chan->vblank.offset)); nvkm_wr32(device, 0x060014, chan->vblank.value); return NVKM_EVENT_DROP; } static bool gf100_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data) { struct nv50_sw_chan *chan = nv50_sw_chan(base); struct nvkm_engine *engine = chan->base.object.engine; struct nvkm_device *device = engine->subdev.device; switch (mthd) { case 0x0400: chan->vblank.offset &= 0x00ffffffffULL; chan->vblank.offset |= (u64)data << 32; return true; case 0x0404: chan->vblank.offset &= 0xff00000000ULL; chan->vblank.offset |= data; return true; case 0x0408: chan->vblank.value = data; return true; case 0x040c: if (data < device->disp->vblank.index_nr) { nvkm_event_ntfy_allow(&chan->vblank.notify[data]); return true; } break; case 0x600: /* MP.PM_UNK000 */ nvkm_wr32(device, 0x419e00, data); return true; case 0x644: /* MP.TRAP_WARP_ERROR_EN */ if (!(data & ~0x001ffffe)) { nvkm_wr32(device, 0x419e44, data); return true; } break; case 0x6ac: /* MP.PM_UNK0AC */ nvkm_wr32(device, 0x419eac, data); return true; default: break; } return false; } static const struct nvkm_sw_chan_func gf100_sw_chan = { .dtor = nv50_sw_chan_dtor, .mthd = gf100_sw_chan_mthd, }; static int gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch, const struct nvkm_oclass *oclass, struct nvkm_object **pobject) { struct nvkm_disp *disp = sw->engine.subdev.device->disp; struct nv50_sw_chan *chan; int ret, i; if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) return -ENOMEM; *pobject = &chan->base.object; ret = nvkm_sw_chan_ctor(&gf100_sw_chan, sw, fifoch, oclass, &chan->base); if (ret) return ret; for (i = 0; disp && i < disp->vblank.index_nr; i++) { nvkm_event_ntfy_add(&disp->vblank, i, NVKM_DISP_HEAD_EVENT_VBLANK, true, gf100_sw_chan_vblsem_release, &chan->vblank.notify[i]); } return 0; } /******************************************************************************* * software engine/subdev functions ******************************************************************************/ static const struct nvkm_sw_func gf100_sw = { .chan_new = gf100_sw_chan_new, .sclass = { { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_GF100 } }, {} } }; int gf100_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw) { return nvkm_sw_new_(&gf100_sw, device, type, inst, psw); } |