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 #include "nv50.h" 25 26 #include <subdev/bios.h> 27 #include <subdev/bios/init.h> 28 29 static void 30 g84_devinit_disable(struct nvkm_devinit *init) 31 { 32 struct nvkm_device *device = init->subdev.device; 33 u32 r001540 = nvkm_rd32(device, 0x001540); 34 u32 r00154c = nvkm_rd32(device, 0x00154c); 35 36 if (!(r001540 & 0x40000000)) { 37 nvkm_subdev_disable(device, NVKM_ENGINE_MPEG, 0); 38 nvkm_subdev_disable(device, NVKM_ENGINE_VP, 0); 39 nvkm_subdev_disable(device, NVKM_ENGINE_BSP, 0); 40 nvkm_subdev_disable(device, NVKM_ENGINE_CIPHER, 0); 41 } 42 43 if (!(r00154c & 0x00000004)) 44 nvkm_subdev_disable(device, NVKM_ENGINE_DISP, 0); 45 if (!(r00154c & 0x00000020)) 46 nvkm_subdev_disable(device, NVKM_ENGINE_BSP, 0); 47 if (!(r00154c & 0x00000040)) 48 nvkm_subdev_disable(device, NVKM_ENGINE_CIPHER, 0); 49 } 50 51 static const struct nvkm_devinit_func 52 g84_devinit = { 53 .preinit = nv50_devinit_preinit, 54 .init = nv50_devinit_init, 55 .post = nv04_devinit_post, 56 .pll_set = nv50_devinit_pll_set, 57 .disable = g84_devinit_disable, 58 }; 59 60 int 61 g84_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 62 struct nvkm_devinit **pinit) 63 { 64 return nv50_devinit_new_(&g84_devinit, device, type, inst, pinit); 65 } 66