1 /* $NetBSD: nouveau_dispnv50_dac507d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */
2
3 /*
4 * Copyright 2018 Red Hat Inc.
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 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_dac507d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "core.h"
28
29 static void
dac507d_ctrl(struct nv50_core * core,int or,u32 ctrl,struct nv50_head_atom * asyh)30 dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
31 struct nv50_head_atom *asyh)
32 {
33 u32 *push, sync = 0;
34 if ((push = evo_wait(&core->chan, 3))) {
35 if (asyh) {
36 sync |= asyh->or.nvsync << 1;
37 sync |= asyh->or.nhsync;
38 }
39 evo_mthd(push, 0x0400 + (or * 0x080), 2);
40 evo_data(push, ctrl);
41 evo_data(push, sync);
42 evo_kick(push, &core->chan);
43 }
44 }
45
46 const struct nv50_outp_func
47 dac507d = {
48 .ctrl = dac507d_ctrl,
49 };
50