projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ebb945a9 BS |
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 | ||
| 25 | #include <subdev/bar.h> | |
| 26 | ||
| 27 | #include <engine/software.h> | |
| 28 | #include <engine/disp.h> | |
| 29 | ||
| 30 | struct nvd0_disp_priv { | |
| 31 | struct nouveau_disp base; | |
| 32 | }; | |
| 33 | ||
| 34 | static struct nouveau_oclass | |
| 35 | nvd0_disp_sclass[] = { | |
| 36 | {}, | |
| 37 | }; | |
| 38 | ||
| 39 | static void | |
| 40 | nvd0_disp_intr_vblank(struct nvd0_disp_priv *priv, int crtc) | |
| 41 | { | |
| 42 | struct nouveau_bar *bar = nouveau_bar(priv); | |
| 43 | struct nouveau_disp *disp = &priv->base; | |
| 44 | struct nouveau_software_chan *chan, *temp; | |
| 45 | unsigned long flags; | |
| 46 | ||
| 47 | spin_lock_irqsave(&disp->vblank.lock, flags); | |
| 48 | list_for_each_entry_safe(chan, temp, &disp->vblank.list, vblank.head) { | |
| 49 | if (chan->vblank.crtc != crtc) | |
| 50 | continue; | |
| 51 | ||
| 52 | nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); | |
| 53 | bar->flush(bar); | |
| 54 | nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset)); | |
| 55 | nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset)); | |
| 56 | nv_wr32(priv, 0x060014, chan->vblank.value); | |
| 57 | ||
| 58 | list_del(&chan->vblank.head); | |
| 59 | if (disp->vblank.put) | |
| 60 | disp->vblank.put(disp->vblank.data, crtc); | |
| 61 | } | |
| 62 | spin_unlock_irqrestore(&disp->vblank.lock, flags); | |
| 63 | ||
| 64 | if (disp->vblank.notify) | |
| 65 | disp->vblank.notify(disp->vblank.data, crtc); | |
| 66 | } | |
| 67 | ||
| 68 | static void | |
| 69 | nvd0_disp_intr(struct nouveau_subdev *subdev) | |
| 70 | { | |
| 71 | struct nvd0_disp_priv *priv = (void *)subdev; | |
| 72 | u32 intr = nv_rd32(priv, 0x610088); | |
| 73 | int i; | |
| 74 | ||
| 75 | for (i = 0; i < 4; i++) { | |
| 76 | u32 mask = 0x01000000 << i; | |
| 77 | if (mask & intr) { | |
| 78 | u32 stat = nv_rd32(priv, 0x6100bc + (i * 0x800)); | |
| 79 | if (stat & 0x00000001) | |
| 80 | nvd0_disp_intr_vblank(priv, i); | |
| 81 | nv_mask(priv, 0x6100bc + (i * 0x800), 0, 0); | |
| 82 | nv_rd32(priv, 0x6100c0 + (i * 0x800)); | |
| 83 | } | |
| 84 | } | |
| 85 | } | |
| 86 | ||
| 87 | static int | |
| 88 | nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
| 89 | struct nouveau_oclass *oclass, void *data, u32 size, | |
| 90 | struct nouveau_object **pobject) | |
| 91 | { | |
| 92 | struct nvd0_disp_priv *priv; | |
| 93 | int ret; | |
| 94 | ||
| 95 | ret = nouveau_disp_create(parent, engine, oclass, "PDISP", | |
| 96 | "display", &priv); | |
| 97 | *pobject = nv_object(priv); | |
| 98 | if (ret) | |
| 99 | return ret; | |
| 100 | ||
| 101 | nv_engine(priv)->sclass = nvd0_disp_sclass; | |
| 102 | nv_subdev(priv)->intr = nvd0_disp_intr; | |
| 103 | ||
| 104 | INIT_LIST_HEAD(&priv->base.vblank.list); | |
| 105 | spin_lock_init(&priv->base.vblank.lock); | |
| 106 | return 0; | |
| 107 | } | |
| 108 | ||
| 109 | struct nouveau_oclass | |
| 110 | nvd0_disp_oclass = { | |
| 111 | .handle = NV_ENGINE(DISP, 0xd0), | |
| 112 | .ofuncs = &(struct nouveau_ofuncs) { | |
| 113 | .ctor = nvd0_disp_ctor, | |
| 114 | .dtor = _nouveau_disp_dtor, | |
| 115 | .init = _nouveau_disp_init, | |
| 116 | .fini = _nouveau_disp_fini, | |
| 117 | }, | |
| 118 | }; |