| Ben Skeggs | 4bf23ea | 2014-02-24 12:28:37 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 "nv50.h" |
| 26 | |
| 27 | static u64 |
| 28 | gm107_devinit_disable(struct nouveau_devinit *devinit) |
| 29 | { |
| 30 | struct nv50_devinit_priv *priv = (void *)devinit; |
| 31 | u32 r021c00 = nv_rd32(priv, 0x021c00); |
| 32 | u32 r021c04 = nv_rd32(priv, 0x021c04); |
| 33 | u64 disable = 0ULL; |
| 34 | |
| 35 | if (r021c00 & 0x00000001) |
| 36 | disable |= (1ULL << NVDEV_ENGINE_COPY0); |
| 37 | if (r021c00 & 0x00000004) |
| 38 | disable |= (1ULL << NVDEV_ENGINE_COPY2); |
| 39 | if (r021c04 & 0x00000001) |
| 40 | disable |= (1ULL << NVDEV_ENGINE_DISP); |
| 41 | |
| 42 | return disable; |
| 43 | } |
| 44 | |
| 45 | struct nouveau_oclass * |
| 46 | gm107_devinit_oclass = &(struct nouveau_devinit_impl) { |
| 47 | .base.handle = NV_SUBDEV(DEVINIT, 0x07), |
| 48 | .base.ofuncs = &(struct nouveau_ofuncs) { |
| 49 | .ctor = nv50_devinit_ctor, |
| 50 | .dtor = _nouveau_devinit_dtor, |
| 51 | .init = nv50_devinit_init, |
| 52 | .fini = _nouveau_devinit_fini, |
| 53 | }, |
| 54 | .pll_set = nvc0_devinit_pll_set, |
| 55 | .disable = gm107_devinit_disable, |
| 56 | }.base; |