Ben Skeggs | 2a259a3 | 2012-05-08 10:24:27 +1000 | [diff] [blame^] | 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 | */ |
| 23 | |
| 24 | #include "drmP.h" |
| 25 | |
| 26 | #include "nouveau_drv.h" |
| 27 | #include "nouveau_dma.h" |
| 28 | #include "nouveau_abi16.h" |
| 29 | #include "nouveau_ramht.h" |
| 30 | #include "nouveau_software.h" |
| 31 | |
| 32 | int |
| 33 | nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) |
| 34 | { |
| 35 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 36 | struct drm_nouveau_getparam *getparam = data; |
| 37 | |
| 38 | switch (getparam->param) { |
| 39 | case NOUVEAU_GETPARAM_CHIPSET_ID: |
| 40 | getparam->value = dev_priv->chipset; |
| 41 | break; |
| 42 | case NOUVEAU_GETPARAM_PCI_VENDOR: |
| 43 | getparam->value = dev->pci_vendor; |
| 44 | break; |
| 45 | case NOUVEAU_GETPARAM_PCI_DEVICE: |
| 46 | getparam->value = dev->pci_device; |
| 47 | break; |
| 48 | case NOUVEAU_GETPARAM_BUS_TYPE: |
| 49 | if (drm_pci_device_is_agp(dev)) |
| 50 | getparam->value = 0; |
| 51 | else |
| 52 | if (!pci_is_pcie(dev->pdev)) |
| 53 | getparam->value = 1; |
| 54 | else |
| 55 | getparam->value = 2; |
| 56 | break; |
| 57 | case NOUVEAU_GETPARAM_FB_SIZE: |
| 58 | getparam->value = dev_priv->fb_available_size; |
| 59 | break; |
| 60 | case NOUVEAU_GETPARAM_AGP_SIZE: |
| 61 | getparam->value = dev_priv->gart_info.aper_size; |
| 62 | break; |
| 63 | case NOUVEAU_GETPARAM_VM_VRAM_BASE: |
| 64 | getparam->value = 0; /* deprecated */ |
| 65 | break; |
| 66 | case NOUVEAU_GETPARAM_PTIMER_TIME: |
| 67 | getparam->value = dev_priv->engine.timer.read(dev); |
| 68 | break; |
| 69 | case NOUVEAU_GETPARAM_HAS_BO_USAGE: |
| 70 | getparam->value = 1; |
| 71 | break; |
| 72 | case NOUVEAU_GETPARAM_HAS_PAGEFLIP: |
| 73 | getparam->value = 1; |
| 74 | break; |
| 75 | case NOUVEAU_GETPARAM_GRAPH_UNITS: |
| 76 | /* NV40 and NV50 versions are quite different, but register |
| 77 | * address is the same. User is supposed to know the card |
| 78 | * family anyway... */ |
| 79 | if (dev_priv->chipset >= 0x40) { |
| 80 | getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS); |
| 81 | break; |
| 82 | } |
| 83 | /* FALLTHRU */ |
| 84 | default: |
| 85 | NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param); |
| 86 | return -EINVAL; |
| 87 | } |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | int |
| 93 | nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) |
| 94 | { |
| 95 | return -EINVAL; |
| 96 | } |
| 97 | |
| 98 | int |
| 99 | nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) |
| 100 | { |
| 101 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 102 | struct drm_nouveau_channel_alloc *init = data; |
| 103 | struct nouveau_channel *chan; |
| 104 | int ret; |
| 105 | |
| 106 | if (!dev_priv->eng[NVOBJ_ENGINE_GR]) |
| 107 | return -ENODEV; |
| 108 | |
| 109 | if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) |
| 110 | return -EINVAL; |
| 111 | |
| 112 | ret = nouveau_channel_alloc(dev, &chan, file_priv, |
| 113 | init->fb_ctxdma_handle, |
| 114 | init->tt_ctxdma_handle); |
| 115 | if (ret) |
| 116 | return ret; |
| 117 | init->channel = chan->id; |
| 118 | |
| 119 | if (nouveau_vram_pushbuf == 0) { |
| 120 | if (chan->dma.ib_max) |
| 121 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | |
| 122 | NOUVEAU_GEM_DOMAIN_GART; |
| 123 | else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM) |
| 124 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; |
| 125 | else |
| 126 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; |
| 127 | } else { |
| 128 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; |
| 129 | } |
| 130 | |
| 131 | if (dev_priv->card_type < NV_C0) { |
| 132 | init->subchan[0].handle = 0x00000000; |
| 133 | init->subchan[0].grclass = 0x0000; |
| 134 | init->subchan[1].handle = NvSw; |
| 135 | init->subchan[1].grclass = NV_SW; |
| 136 | init->nr_subchan = 2; |
| 137 | } |
| 138 | |
| 139 | /* Named memory object area */ |
| 140 | ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem, |
| 141 | &init->notifier_handle); |
| 142 | |
| 143 | if (ret == 0) |
| 144 | atomic_inc(&chan->users); /* userspace reference */ |
| 145 | nouveau_channel_put(&chan); |
| 146 | return ret; |
| 147 | } |
| 148 | |
| 149 | int |
| 150 | nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) |
| 151 | { |
| 152 | struct drm_nouveau_channel_free *req = data; |
| 153 | struct nouveau_channel *chan; |
| 154 | |
| 155 | chan = nouveau_channel_get(file_priv, req->channel); |
| 156 | if (IS_ERR(chan)) |
| 157 | return PTR_ERR(chan); |
| 158 | |
| 159 | list_del(&chan->list); |
| 160 | atomic_dec(&chan->users); |
| 161 | nouveau_channel_put(&chan); |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | int |
| 166 | nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) |
| 167 | { |
| 168 | struct drm_nouveau_grobj_alloc *init = data; |
| 169 | struct nouveau_channel *chan; |
| 170 | int ret; |
| 171 | |
| 172 | if (init->handle == ~0) |
| 173 | return -EINVAL; |
| 174 | |
| 175 | /* compatibility with userspace that assumes 506e for all chipsets */ |
| 176 | if (init->class == 0x506e) { |
| 177 | init->class = nouveau_software_class(dev); |
| 178 | if (init->class == 0x906e) |
| 179 | return 0; |
| 180 | } else |
| 181 | if (init->class == 0x906e) { |
| 182 | NV_ERROR(dev, "906e not supported yet\n"); |
| 183 | return -EINVAL; |
| 184 | } |
| 185 | |
| 186 | chan = nouveau_channel_get(file_priv, init->channel); |
| 187 | if (IS_ERR(chan)) |
| 188 | return PTR_ERR(chan); |
| 189 | |
| 190 | if (nouveau_ramht_find(chan, init->handle)) { |
| 191 | ret = -EEXIST; |
| 192 | goto out; |
| 193 | } |
| 194 | |
| 195 | ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class); |
| 196 | if (ret) { |
| 197 | NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n", |
| 198 | ret, init->channel, init->handle); |
| 199 | } |
| 200 | |
| 201 | out: |
| 202 | nouveau_channel_put(&chan); |
| 203 | return ret; |
| 204 | } |
| 205 | |
| 206 | int |
| 207 | nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) |
| 208 | { |
| 209 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
| 210 | struct drm_nouveau_notifierobj_alloc *na = data; |
| 211 | struct nouveau_channel *chan; |
| 212 | int ret; |
| 213 | |
| 214 | /* completely unnecessary for these chipsets... */ |
| 215 | if (unlikely(dev_priv->card_type >= NV_C0)) |
| 216 | return -EINVAL; |
| 217 | |
| 218 | chan = nouveau_channel_get(file_priv, na->channel); |
| 219 | if (IS_ERR(chan)) |
| 220 | return PTR_ERR(chan); |
| 221 | |
| 222 | ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000, |
| 223 | &na->offset); |
| 224 | nouveau_channel_put(&chan); |
| 225 | return ret; |
| 226 | } |
| 227 | |
| 228 | int |
| 229 | nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) |
| 230 | { |
| 231 | struct drm_nouveau_gpuobj_free *objfree = data; |
| 232 | struct nouveau_channel *chan; |
| 233 | int ret; |
| 234 | |
| 235 | chan = nouveau_channel_get(file_priv, objfree->channel); |
| 236 | if (IS_ERR(chan)) |
| 237 | return PTR_ERR(chan); |
| 238 | |
| 239 | /* Synchronize with the user channel */ |
| 240 | nouveau_channel_idle(chan); |
| 241 | |
| 242 | ret = nouveau_ramht_remove(chan, objfree->handle); |
| 243 | nouveau_channel_put(&chan); |
| 244 | return ret; |
| 245 | } |