1/* 2 * Copyright 2011 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 "drmP.h" 26#include "nouveau_drv.h" 27#include "nouveau_util.h" 28#include "nouveau_vm.h" 29#include "nouveau_ramht.h" 30 31/*XXX: This stub is currently used on NV98+ also, as soon as this becomes 32 * more than just an enable/disable stub this needs to be split out to 33 * nv98_vp.c... 34 */ 35 36struct nv84_vp_engine { 37 struct nouveau_exec_engine base; 38}; 39 40static int 41nv84_vp_fini(struct drm_device *dev, int engine, bool suspend) 42{ 43 if (!(nv_rd32(dev, 0x000200) & 0x00020000)) 44 return 0; 45 46 nv_mask(dev, 0x000200, 0x00020000, 0x00000000); 47 return 0; 48} 49 50static int 51nv84_vp_init(struct drm_device *dev, int engine) 52{ 53 nv_mask(dev, 0x000200, 0x00020000, 0x00000000); 54 nv_mask(dev, 0x000200, 0x00020000, 0x00020000); 55 return 0; 56} 57 58static void 59nv84_vp_destroy(struct drm_device *dev, int engine) 60{ 61 struct nv84_vp_engine *pvp = nv_engine(dev, engine); 62 63 NVOBJ_ENGINE_DEL(dev, VP); 64 65 kfree(pvp); 66} 67 68int 69nv84_vp_create(struct drm_device *dev) 70{ 71 struct nv84_vp_engine *pvp; 72 73 pvp = kzalloc(sizeof(*pvp), GFP_KERNEL); 74 if (!pvp) 75 return -ENOMEM; 76 77 pvp->base.destroy = nv84_vp_destroy; 78 pvp->base.init = nv84_vp_init; 79 pvp->base.fini = nv84_vp_fini; 80 81 NVOBJ_ENGINE_ADD(dev, VP, &pvp->base); 82 return 0; 83} 84