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1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "nv50.h"25 26#include <core/gpuobj.h>27#include <subdev/bar.h>28#include <engine/disp.h>29#include <engine/fifo.h>30 31#include <nvif/class.h>32#include <nvif/event.h>33 34/*******************************************************************************35 * software context36 ******************************************************************************/37 38static int39gf100_sw_chan_vblsem_release(struct nvkm_event_ntfy *notify, u32 bits)40{41 struct nv50_sw_chan *chan =42 container_of(notify, typeof(*chan), vblank.notify[notify->id]);43 struct nvkm_sw *sw = chan->base.sw;44 struct nvkm_device *device = sw->engine.subdev.device;45 u32 inst = chan->base.fifo->inst->addr >> 12;46 47 nvkm_wr32(device, 0x001718, 0x80000000 | inst);48 nvkm_bar_flush(device->bar);49 nvkm_wr32(device, 0x06000c, upper_32_bits(chan->vblank.offset));50 nvkm_wr32(device, 0x060010, lower_32_bits(chan->vblank.offset));51 nvkm_wr32(device, 0x060014, chan->vblank.value);52 53 return NVKM_EVENT_DROP;54}55 56static bool57gf100_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)58{59 struct nv50_sw_chan *chan = nv50_sw_chan(base);60 struct nvkm_engine *engine = chan->base.object.engine;61 struct nvkm_device *device = engine->subdev.device;62 switch (mthd) {63 case 0x0400:64 chan->vblank.offset &= 0x00ffffffffULL;65 chan->vblank.offset |= (u64)data << 32;66 return true;67 case 0x0404:68 chan->vblank.offset &= 0xff00000000ULL;69 chan->vblank.offset |= data;70 return true;71 case 0x0408:72 chan->vblank.value = data;73 return true;74 case 0x040c:75 if (data < device->disp->vblank.index_nr) {76 nvkm_event_ntfy_allow(&chan->vblank.notify[data]);77 return true;78 }79 break;80 case 0x600: /* MP.PM_UNK000 */81 nvkm_wr32(device, 0x419e00, data);82 return true;83 case 0x644: /* MP.TRAP_WARP_ERROR_EN */84 if (!(data & ~0x001ffffe)) {85 nvkm_wr32(device, 0x419e44, data);86 return true;87 }88 break;89 case 0x6ac: /* MP.PM_UNK0AC */90 nvkm_wr32(device, 0x419eac, data);91 return true;92 default:93 break;94 }95 return false;96}97 98static const struct nvkm_sw_chan_func99gf100_sw_chan = {100 .dtor = nv50_sw_chan_dtor,101 .mthd = gf100_sw_chan_mthd,102};103 104static int105gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifoch,106 const struct nvkm_oclass *oclass,107 struct nvkm_object **pobject)108{109 struct nvkm_disp *disp = sw->engine.subdev.device->disp;110 struct nv50_sw_chan *chan;111 int ret, i;112 113 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))114 return -ENOMEM;115 *pobject = &chan->base.object;116 117 ret = nvkm_sw_chan_ctor(&gf100_sw_chan, sw, fifoch, oclass,118 &chan->base);119 if (ret)120 return ret;121 122 for (i = 0; disp && i < disp->vblank.index_nr; i++) {123 nvkm_event_ntfy_add(&disp->vblank, i, NVKM_DISP_HEAD_EVENT_VBLANK, true,124 gf100_sw_chan_vblsem_release, &chan->vblank.notify[i]);125 }126 127 return 0;128}129 130/*******************************************************************************131 * software engine/subdev functions132 ******************************************************************************/133 134static const struct nvkm_sw_func135gf100_sw = {136 .chan_new = gf100_sw_chan_new,137 .sclass = {138 { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_GF100 } },139 {}140 }141};142 143int144gf100_sw_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_sw **psw)145{146 return nvkm_sw_new_(&gf100_sw, device, type, inst, psw);147}148