1 /* 2 * Copyright 2012 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 "priv.h" 25 #include "chan.h" 26 #include "nvsw.h" 27 28 #include <nvif/ioctl.h> 29 30 /******************************************************************************* 31 * software context 32 ******************************************************************************/ 33 34 static const struct nvkm_sw_chan_func 35 nv10_sw_chan = { 36 }; 37 38 static int 39 nv10_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo, 40 const struct nvkm_oclass *oclass, struct nvkm_object **pobject) 41 { 42 struct nvkm_sw_chan *chan; 43 44 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) 45 return -ENOMEM; 46 *pobject = &chan->object; 47 48 return nvkm_sw_chan_ctor(&nv10_sw_chan, sw, fifo, oclass, chan); 49 } 50 51 /******************************************************************************* 52 * software engine/subdev functions 53 ******************************************************************************/ 54 55 static const struct nvkm_sw_func 56 nv10_sw = { 57 .chan_new = nv10_sw_chan_new, 58 .sclass = { 59 { nvkm_nvsw_new, { -1, -1, NVIF_IOCTL_NEW_V0_SW_NV10 } }, 60 {} 61 } 62 }; 63 64 int 65 nv10_sw_new(struct nvkm_device *device, int index, struct nvkm_sw **psw) 66 { 67 return nvkm_sw_new_(&nv10_sw, device, index, psw); 68 } 69