1/*
2 * Copyright 2018 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#include "core.h"
23
24#include <nvif/push507c.h>
25
26#include <nvhw/class/cl507d.h>
27
28static int
29dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
30 struct nv50_head_atom *asyh)
31{
32 struct nvif_push *push = core->chan.push;
33 u32 sync = 0;
34 int ret;
35
36 if (asyh) {
37 sync |= NVVAL(NV507D, DAC_SET_POLARITY, HSYNC, asyh->or.nhsync);
38 sync |= NVVAL(NV507D, DAC_SET_POLARITY, VSYNC, asyh->or.nvsync);
39 }
40
41 if ((ret = PUSH_WAIT(push, 3)))
42 return ret;
43
44 PUSH_MTHD(push, NV507D, DAC_SET_CONTROL(or), ctrl,
45 DAC_SET_POLARITY(or), sync);
46 return 0;
47}
48
49const struct nv50_outp_func
50dac507d = {
51 .ctrl = dac507d_ctrl,
52};
53

source code of linux/drivers/gpu/drm/nouveau/dispnv50/dac507d.c