1c39f472eSBen Skeggs /* 2c39f472eSBen Skeggs * Copyright 2013 Red Hat Inc. 3c39f472eSBen Skeggs * 4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"), 6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation 7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions: 10c39f472eSBen Skeggs * 11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in 12c39f472eSBen Skeggs * all copies or substantial portions of the Software. 13c39f472eSBen Skeggs * 14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 21c39f472eSBen Skeggs * 22c39f472eSBen Skeggs * Authors: Ben Skeggs 23c39f472eSBen Skeggs */ 24c39f472eSBen Skeggs 25c39f472eSBen Skeggs #include "nv50.h" 26c39f472eSBen Skeggs 27c39f472eSBen Skeggs u64 28c39f472eSBen Skeggs gm107_devinit_disable(struct nouveau_devinit *devinit) 29c39f472eSBen Skeggs { 30c39f472eSBen Skeggs struct nv50_devinit_priv *priv = (void *)devinit; 31c39f472eSBen Skeggs u32 r021c00 = nv_rd32(priv, 0x021c00); 32c39f472eSBen Skeggs u32 r021c04 = nv_rd32(priv, 0x021c04); 33c39f472eSBen Skeggs u64 disable = 0ULL; 34c39f472eSBen Skeggs 35c39f472eSBen Skeggs if (r021c00 & 0x00000001) 36c39f472eSBen Skeggs disable |= (1ULL << NVDEV_ENGINE_COPY0); 37c39f472eSBen Skeggs if (r021c00 & 0x00000004) 38c39f472eSBen Skeggs disable |= (1ULL << NVDEV_ENGINE_COPY2); 39c39f472eSBen Skeggs if (r021c04 & 0x00000001) 40c39f472eSBen Skeggs disable |= (1ULL << NVDEV_ENGINE_DISP); 41c39f472eSBen Skeggs 42c39f472eSBen Skeggs return disable; 43c39f472eSBen Skeggs } 44c39f472eSBen Skeggs 45c39f472eSBen Skeggs struct nouveau_oclass * 46c39f472eSBen Skeggs gm107_devinit_oclass = &(struct nouveau_devinit_impl) { 47c39f472eSBen Skeggs .base.handle = NV_SUBDEV(DEVINIT, 0x07), 48c39f472eSBen Skeggs .base.ofuncs = &(struct nouveau_ofuncs) { 49c39f472eSBen Skeggs .ctor = nv50_devinit_ctor, 50c39f472eSBen Skeggs .dtor = _nouveau_devinit_dtor, 51c39f472eSBen Skeggs .init = nv50_devinit_init, 52c39f472eSBen Skeggs .fini = _nouveau_devinit_fini, 53c39f472eSBen Skeggs }, 54c39f472eSBen Skeggs .pll_set = nvc0_devinit_pll_set, 55c39f472eSBen Skeggs .disable = gm107_devinit_disable, 56c39f472eSBen Skeggs .post = nvbios_init, 57c39f472eSBen Skeggs }.base; 58