1 /* $NetBSD: nouveau_nvkm_engine_sw_nv10.c,v 1.3 2021/12/18 23:45:37 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_sw_nv10.c,v 1.3 2021/12/18 23:45:37 riastradh Exp $"); 28 29 #include "priv.h" 30 #include "chan.h" 31 #include "nvsw.h" 32 33 #include <nvif/class.h> 34 35 /******************************************************************************* 36 * software context 37 ******************************************************************************/ 38 39 static const struct nvkm_sw_chan_func 40 nv10_sw_chan = { 41 }; 42 43 static int 44 nv10_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo, 45 const struct nvkm_oclass *oclass, struct nvkm_object **pobject) 46 { 47 struct nvkm_sw_chan *chan; 48 49 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) 50 return -ENOMEM; 51 *pobject = &chan->object; 52 53 return nvkm_sw_chan_ctor(&nv10_sw_chan, sw, fifo, oclass, chan); 54 } 55 56 /******************************************************************************* 57 * software engine/subdev functions 58 ******************************************************************************/ 59 60 static const struct nvkm_sw_func 61 nv10_sw = { 62 .chan_new = nv10_sw_chan_new, 63 .sclass = { 64 { nvkm_nvsw_new, { -1, -1, NVIF_CLASS_SW_NV10 } }, 65 {} 66 } 67 }; 68 69 int 70 nv10_sw_new(struct nvkm_device *device, int index, struct nvkm_sw **psw) 71 { 72 return nvkm_sw_new_(&nv10_sw, device, index, psw); 73 } 74