1 /*
2 * Copyright 2012 Nouveau Community
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: Martin Peres <martin.peres@labri.fr>
23 * Ben Skeggs
24 */
25
26 #include <subdev/timer.h>
27
28 #include "nv04.h"
29
30 static int
nv94_bus_hwsq_exec(struct nouveau_bus * pbus,u32 * data,u32 size)31 nv94_bus_hwsq_exec(struct nouveau_bus *pbus, u32 *data, u32 size)
32 {
33 struct nv50_bus_priv *priv = (void *)pbus;
34 int i;
35
36 nv_mask(pbus, 0x001098, 0x00000008, 0x00000000);
37 nv_wr32(pbus, 0x001304, 0x00000000);
38 nv_wr32(pbus, 0x001318, 0x00000000);
39 for (i = 0; i < size; i++)
40 nv_wr32(priv, 0x080000 + (i * 4), data[i]);
41 nv_mask(pbus, 0x001098, 0x00000018, 0x00000018);
42 nv_wr32(pbus, 0x00130c, 0x00000001);
43
44 return nv_wait(pbus, 0x001308, 0x00000100, 0x00000000) ? 0 : -ETIMEDOUT;
45 }
46
47 struct nouveau_oclass *
48 nv94_bus_oclass = &(struct nv04_bus_impl) {
49 .base.handle = NV_SUBDEV(BUS, 0x94),
50 .base.ofuncs = &(struct nouveau_ofuncs) {
51 .ctor = nv04_bus_ctor,
52 .dtor = _nouveau_bus_dtor,
53 .init = nv50_bus_init,
54 .fini = _nouveau_bus_fini,
55 },
56 .intr = nv50_bus_intr,
57 .hwsq_exec = nv94_bus_hwsq_exec,
58 .hwsq_size = 128,
59 }.base;
60