1/* $NetBSD: nouveau_subdev_bus_nv94.c,v 1.1.1.1 2014/08/06 12:36:29 riastradh Exp $ */
2
3/*
4 * Copyright 2012 Nouveau Community
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: Martin Peres <martin.peres@labri.fr>
25 * Ben Skeggs
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_bus_nv94.c,v 1.1.1.1 2014/08/06 12:36:29 riastradh Exp $");
30
31#include <subdev/timer.h>
32
33#include "nv04.h"
34
35static int
36nv94_bus_hwsq_exec(struct nouveau_bus *pbus, u32 *data, u32 size)
37{
38 struct nv50_bus_priv *priv = (void *)pbus;
39 int i;
40
41 nv_mask(pbus, 0x001098, 0x00000008, 0x00000000);
42 nv_wr32(pbus, 0x001304, 0x00000000);
43 nv_wr32(pbus, 0x001318, 0x00000000);
44 for (i = 0; i < size; i++)
45 nv_wr32(priv, 0x080000 + (i * 4), data[i]);
46 nv_mask(pbus, 0x001098, 0x00000018, 0x00000018);
47 nv_wr32(pbus, 0x00130c, 0x00000001);
48
49 return nv_wait(pbus, 0x001308, 0x00000100, 0x00000000) ? 0 : -ETIMEDOUT;
50}
51
52struct nouveau_oclass *
53nv94_bus_oclass = &(struct nv04_bus_impl) {
54 .base.handle = NV_SUBDEV(BUS, 0x94),
55 .base.ofuncs = &(struct nouveau_ofuncs) {
56 .ctor = nv04_bus_ctor,
57 .dtor = _nouveau_bus_dtor,
58 .init = nv50_bus_init,
59 .fini = _nouveau_bus_fini,
60 },
61 .intr = nv50_bus_intr,
62 .hwsq_exec = nv94_bus_hwsq_exec,
63 .hwsq_size = 128,
64}.base;
65