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 "gk104.h"
25 #include "changk104.h"
26 
27 #include <nvif/class.h>
28 
29 void
30 gk208_fifo_pbdma_init_timeout(struct gk104_fifo *fifo)
31 {
32 	struct nvkm_device *device = fifo->base.engine.subdev.device;
33 	int i;
34 
35 	for (i = 0; i < fifo->pbdma_nr; i++)
36 		nvkm_wr32(device, 0x04012c + (i * 0x2000), 0x0000ffff);
37 }
38 
39 const struct gk104_fifo_pbdma_func
40 gk208_fifo_pbdma = {
41 	.nr = gk104_fifo_pbdma_nr,
42 	.init = gk104_fifo_pbdma_init,
43 	.init_timeout = gk208_fifo_pbdma_init_timeout,
44 };
45 
46 static const struct gk104_fifo_func
47 gk208_fifo = {
48 	.intr.fault = gf100_fifo_intr_fault,
49 	.pbdma = &gk208_fifo_pbdma,
50 	.fault.access = gk104_fifo_fault_access,
51 	.fault.engine = gk104_fifo_fault_engine,
52 	.fault.reason = gk104_fifo_fault_reason,
53 	.fault.hubclient = gk104_fifo_fault_hubclient,
54 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
55 	.runlist = &gk110_fifo_runlist,
56 	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
57 };
58 
59 int
60 gk208_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
61 	       struct nvkm_fifo **pfifo)
62 {
63 	return gk104_fifo_new_(&gk208_fifo, device, type, inst, 1024, pfifo);
64 }
65