2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #define nv04_sw_chan(p) container_of((p), struct nv04_sw_chan, base)
29 #include <nvif/class.h>
30 #include <nvif/if0004.h>
31 #include <nvif/ioctl.h>
32 #include <nvif/unpack.h>
35 struct nvkm_sw_chan base;
39 /*******************************************************************************
40 * software object classes
41 ******************************************************************************/
44 nv04_nvsw_mthd_get_ref(struct nvkm_nvsw *nvsw, void *data, u32 size)
46 struct nv04_sw_chan *chan = nv04_sw_chan(nvsw->chan);
48 struct nv04_nvsw_get_ref_v0 v0;
52 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
53 args->v0.ref = atomic_read(&chan->ref);
60 nv04_nvsw_mthd(struct nvkm_nvsw *nvsw, u32 mthd, void *data, u32 size)
63 case NV04_NVSW_GET_REF:
64 return nv04_nvsw_mthd_get_ref(nvsw, data, size);
71 static const struct nvkm_nvsw_func
73 .mthd = nv04_nvsw_mthd,
77 nv04_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
78 void *data, u32 size, struct nvkm_object **pobject)
80 return nvkm_nvsw_new_(&nv04_nvsw, chan, oclass, data, size, pobject);
83 /*******************************************************************************
85 ******************************************************************************/
88 nv04_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
90 struct nv04_sw_chan *chan = nv04_sw_chan(base);
94 atomic_set(&chan->ref, data);
103 static const struct nvkm_sw_chan_func
105 .mthd = nv04_sw_chan_mthd,
109 nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
110 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
112 struct nv04_sw_chan *chan;
114 if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
116 atomic_set(&chan->ref, 0);
117 *pobject = &chan->base.object;
119 return nvkm_sw_chan_ctor(&nv04_sw_chan, sw, fifo, oclass, &chan->base);
122 /*******************************************************************************
123 * software engine/subdev functions
124 ******************************************************************************/
126 static const struct nvkm_sw_func
128 .chan_new = nv04_sw_chan_new,
130 { nv04_nvsw_new, { -1, -1, NVIF_CLASS_SW_NV04 } },
136 nv04_sw_new(struct nvkm_device *device, int index, struct nvkm_sw **psw)
138 return nvkm_sw_new_(&nv04_sw, device, index, psw);